diff options
Diffstat (limited to 'net')
205 files changed, 4099 insertions, 4011 deletions
diff --git a/net/9p/protocol.c b/net/9p/protocol.c index 798beac7f100..1e308f210928 100644 --- a/net/9p/protocol.c +++ b/net/9p/protocol.c @@ -178,27 +178,24 @@ p9pdu_vreadf(struct p9_fcall *pdu, int proto_version, const char *fmt, break; case 's':{ char **sptr = va_arg(ap, char **); - int16_t len; - int size; + uint16_t len; errcode = p9pdu_readf(pdu, proto_version, "w", &len); if (errcode) break; - size = max_t(int16_t, len, 0); - - *sptr = kmalloc(size + 1, GFP_KERNEL); + *sptr = kmalloc(len + 1, GFP_KERNEL); if (*sptr == NULL) { errcode = -EFAULT; break; } - if (pdu_read(pdu, *sptr, size)) { + if (pdu_read(pdu, *sptr, len)) { errcode = -EFAULT; kfree(*sptr); *sptr = NULL; } else - (*sptr)[size] = 0; + (*sptr)[len] = 0; } break; case 'Q':{ @@ -234,14 +231,14 @@ p9pdu_vreadf(struct p9_fcall *pdu, int proto_version, const char *fmt, } break; case 'D':{ - int32_t *count = va_arg(ap, int32_t *); + uint32_t *count = va_arg(ap, uint32_t *); void **data = va_arg(ap, void **); errcode = p9pdu_readf(pdu, proto_version, "d", count); if (!errcode) { *count = - min_t(int32_t, *count, + min_t(uint32_t, *count, pdu->size - pdu->offset); *data = &pdu->sdata[pdu->offset]; } @@ -404,9 +401,10 @@ p9pdu_vwritef(struct p9_fcall *pdu, int proto_version, const char *fmt, break; case 's':{ const char *sptr = va_arg(ap, const char *); - int16_t len = 0; + uint16_t len = 0; if (sptr) - len = min_t(int16_t, strlen(sptr), USHRT_MAX); + len = min_t(uint16_t, strlen(sptr), + USHRT_MAX); errcode = p9pdu_writef(pdu, proto_version, "w", len); @@ -438,7 +436,7 @@ p9pdu_vwritef(struct p9_fcall *pdu, int proto_version, const char *fmt, stbuf->n_gid, stbuf->n_muid); } break; case 'D':{ - int32_t count = va_arg(ap, int32_t); + uint32_t count = va_arg(ap, uint32_t); const void *data = va_arg(ap, const void *); errcode = p9pdu_writef(pdu, proto_version, "d", diff --git a/net/Kconfig b/net/Kconfig index ad0aafe903f8..72840626284b 100644 --- a/net/Kconfig +++ b/net/Kconfig @@ -253,7 +253,9 @@ config NET_TCPPROBE what was just said, you don't need it: say N. Documentation on how to use TCP connection probing can be found - at http://linux-net.osdl.org/index.php/TcpProbe + at: + + http://www.linuxfoundation.org/collaborate/workgroups/networking/tcpprobe To compile this code as a module, choose M here: the module will be called tcp_probe. diff --git a/net/atm/lec.c b/net/atm/lec.c index 179e04bc99dd..38754fdb88ba 100644 --- a/net/atm/lec.c +++ b/net/atm/lec.c @@ -1607,7 +1607,7 @@ static void lec_arp_destroy(struct lec_priv *priv) struct lec_arp_table *entry; int i; - cancel_rearming_delayed_work(&priv->lec_arp_work); + cancel_delayed_work_sync(&priv->lec_arp_work); /* * Remove all entries diff --git a/net/ax25/af_ax25.c b/net/ax25/af_ax25.c index bb86d2932394..6da5daeebab7 100644 --- a/net/ax25/af_ax25.c +++ b/net/ax25/af_ax25.c @@ -1392,7 +1392,7 @@ static int ax25_getname(struct socket *sock, struct sockaddr *uaddr, ax25_cb *ax25; int err = 0; - memset(fsa, 0, sizeof(fsa)); + memset(fsa, 0, sizeof(*fsa)); lock_sock(sk); ax25 = ax25_sk(sk); diff --git a/net/bluetooth/Makefile b/net/bluetooth/Makefile index 7ca1f46a471a..250f954f0213 100644 --- a/net/bluetooth/Makefile +++ b/net/bluetooth/Makefile @@ -10,4 +10,4 @@ obj-$(CONFIG_BT_BNEP) += bnep/ obj-$(CONFIG_BT_CMTP) += cmtp/ obj-$(CONFIG_BT_HIDP) += hidp/ -bluetooth-y := af_bluetooth.o hci_core.o hci_conn.o hci_event.o hci_sock.o hci_sysfs.o lib.o +bluetooth-y := af_bluetooth.o hci_core.o hci_conn.o hci_event.o mgmt.o hci_sock.o hci_sysfs.o lib.o diff --git a/net/bluetooth/hci_conn.c b/net/bluetooth/hci_conn.c index 6b90a4191734..99cd8d9d891b 100644 --- a/net/bluetooth/hci_conn.c +++ b/net/bluetooth/hci_conn.c @@ -379,14 +379,10 @@ struct hci_conn *hci_connect(struct hci_dev *hdev, int type, bdaddr_t *dst, __u8 hci_conn_hold(acl); if (acl->state == BT_OPEN || acl->state == BT_CLOSED) { - acl->sec_level = sec_level; + acl->sec_level = BT_SECURITY_LOW; + acl->pending_sec_level = sec_level; acl->auth_type = auth_type; hci_acl_connect(acl); - } else { - if (acl->sec_level < sec_level) - acl->sec_level = sec_level; - if (acl->auth_type < auth_type) - acl->auth_type = auth_type; } if (type == ACL_LINK) @@ -442,11 +438,17 @@ static int hci_conn_auth(struct hci_conn *conn, __u8 sec_level, __u8 auth_type) { BT_DBG("conn %p", conn); + if (conn->pending_sec_level > sec_level) + sec_level = conn->pending_sec_level; + if (sec_level > conn->sec_level) - conn->sec_level = sec_level; + conn->pending_sec_level = sec_level; else if (conn->link_mode & HCI_LM_AUTH) return 1; + /* Make sure we preserve an existing MITM requirement*/ + auth_type |= (conn->auth_type & 0x01); + conn->auth_type = auth_type; if (!test_and_set_bit(HCI_CONN_AUTH_PEND, &conn->pend)) { diff --git a/net/bluetooth/hci_core.c b/net/bluetooth/hci_core.c index 51c61f75a797..9c4541bc488a 100644 --- a/net/bluetooth/hci_core.c +++ b/net/bluetooth/hci_core.c @@ -91,9 +91,16 @@ static void hci_notify(struct hci_dev *hdev, int event) /* ---- HCI requests ---- */ -void hci_req_complete(struct hci_dev *hdev, int result) +void hci_req_complete(struct hci_dev *hdev, __u16 cmd, int result) { - BT_DBG("%s result 0x%2.2x", hdev->name, result); + BT_DBG("%s command 0x%04x result 0x%2.2x", hdev->name, cmd, result); + + /* If the request has set req_last_cmd (typical for multi-HCI + * command requests) check if the completed command matches + * this, and if not just return. Single HCI command requests + * typically leave req_last_cmd as 0 */ + if (hdev->req_last_cmd && cmd != hdev->req_last_cmd) + return; if (hdev->req_status == HCI_REQ_PEND) { hdev->req_result = result; @@ -149,7 +156,7 @@ static int __hci_request(struct hci_dev *hdev, void (*req)(struct hci_dev *hdev, break; } - hdev->req_status = hdev->req_result = 0; + hdev->req_last_cmd = hdev->req_status = hdev->req_result = 0; BT_DBG("%s end: err %d", hdev->name, err); @@ -252,6 +259,8 @@ static void hci_init_req(struct hci_dev *hdev, unsigned long opt) /* Connection accept timeout ~20 secs */ param = cpu_to_le16(0x7d00); hci_send_cmd(hdev, HCI_OP_WRITE_CA_TIMEOUT, 2, ¶m); + + hdev->req_last_cmd = HCI_OP_WRITE_CA_TIMEOUT; } static void hci_scan_req(struct hci_dev *hdev, unsigned long opt) @@ -960,6 +969,7 @@ int hci_register_dev(struct hci_dev *hdev) } } + mgmt_index_added(hdev->id); hci_notify(hdev, HCI_DEV_REG); return id; @@ -989,6 +999,7 @@ int hci_unregister_dev(struct hci_dev *hdev) for (i = 0; i < NUM_REASSEMBLY; i++) kfree_skb(hdev->reassembly[i]); + mgmt_index_removed(hdev->id); hci_notify(hdev, HCI_DEV_UNREG); if (hdev->rfkill) { @@ -1000,6 +1011,10 @@ int hci_unregister_dev(struct hci_dev *hdev) destroy_workqueue(hdev->workqueue); + hci_dev_lock_bh(hdev); + hci_blacklist_clear(hdev); + hci_dev_unlock_bh(hdev); + __hci_dev_put(hdev); return 0; diff --git a/net/bluetooth/hci_event.c b/net/bluetooth/hci_event.c index 8923b36a67a2..a290854fdaa6 100644 --- a/net/bluetooth/hci_event.c +++ b/net/bluetooth/hci_event.c @@ -58,7 +58,7 @@ static void hci_cc_inquiry_cancel(struct hci_dev *hdev, struct sk_buff *skb) clear_bit(HCI_INQUIRY, &hdev->flags); - hci_req_complete(hdev, status); + hci_req_complete(hdev, HCI_OP_INQUIRY_CANCEL, status); hci_conn_check_pending(hdev); } @@ -174,7 +174,7 @@ static void hci_cc_write_def_link_policy(struct hci_dev *hdev, struct sk_buff *s if (!status) hdev->link_policy = get_unaligned_le16(sent); - hci_req_complete(hdev, status); + hci_req_complete(hdev, HCI_OP_WRITE_DEF_LINK_POLICY, status); } static void hci_cc_reset(struct hci_dev *hdev, struct sk_buff *skb) @@ -183,7 +183,7 @@ static void hci_cc_reset(struct hci_dev *hdev, struct sk_buff *skb) BT_DBG("%s status 0x%x", hdev->name, status); - hci_req_complete(hdev, status); + hci_req_complete(hdev, HCI_OP_RESET, status); } static void hci_cc_write_local_name(struct hci_dev *hdev, struct sk_buff *skb) @@ -235,7 +235,7 @@ static void hci_cc_write_auth_enable(struct hci_dev *hdev, struct sk_buff *skb) clear_bit(HCI_AUTH, &hdev->flags); } - hci_req_complete(hdev, status); + hci_req_complete(hdev, HCI_OP_WRITE_AUTH_ENABLE, status); } static void hci_cc_write_encrypt_mode(struct hci_dev *hdev, struct sk_buff *skb) @@ -258,7 +258,7 @@ static void hci_cc_write_encrypt_mode(struct hci_dev *hdev, struct sk_buff *skb) clear_bit(HCI_ENCRYPT, &hdev->flags); } - hci_req_complete(hdev, status); + hci_req_complete(hdev, HCI_OP_WRITE_ENCRYPT_MODE, status); } static void hci_cc_write_scan_enable(struct hci_dev *hdev, struct sk_buff *skb) @@ -285,7 +285,7 @@ static void hci_cc_write_scan_enable(struct hci_dev *hdev, struct sk_buff *skb) set_bit(HCI_PSCAN, &hdev->flags); } - hci_req_complete(hdev, status); + hci_req_complete(hdev, HCI_OP_WRITE_SCAN_ENABLE, status); } static void hci_cc_read_class_of_dev(struct hci_dev *hdev, struct sk_buff *skb) @@ -383,7 +383,7 @@ static void hci_cc_host_buffer_size(struct hci_dev *hdev, struct sk_buff *skb) BT_DBG("%s status 0x%x", hdev->name, status); - hci_req_complete(hdev, status); + hci_req_complete(hdev, HCI_OP_HOST_BUFFER_SIZE, status); } static void hci_cc_read_ssp_mode(struct hci_dev *hdev, struct sk_buff *skb) @@ -536,7 +536,16 @@ static void hci_cc_read_bd_addr(struct hci_dev *hdev, struct sk_buff *skb) if (!rp->status) bacpy(&hdev->bdaddr, &rp->bdaddr); - hci_req_complete(hdev, rp->status); + hci_req_complete(hdev, HCI_OP_READ_BD_ADDR, rp->status); +} + +static void hci_cc_write_ca_timeout(struct hci_dev *hdev, struct sk_buff *skb) +{ + __u8 status = *((__u8 *) skb->data); + + BT_DBG("%s status 0x%x", hdev->name, status); + + hci_req_complete(hdev, HCI_OP_WRITE_CA_TIMEOUT, status); } static inline void hci_cs_inquiry(struct hci_dev *hdev, __u8 status) @@ -544,7 +553,7 @@ static inline void hci_cs_inquiry(struct hci_dev *hdev, __u8 status) BT_DBG("%s status 0x%x", hdev->name, status); if (status) { - hci_req_complete(hdev, status); + hci_req_complete(hdev, HCI_OP_INQUIRY, status); hci_conn_check_pending(hdev); } else @@ -683,13 +692,13 @@ static int hci_outgoing_auth_needed(struct hci_dev *hdev, if (conn->state != BT_CONFIG || !conn->out) return 0; - if (conn->sec_level == BT_SECURITY_SDP) + if (conn->pending_sec_level == BT_SECURITY_SDP) return 0; /* Only request authentication for SSP connections or non-SSP * devices with sec_level HIGH */ if (!(hdev->ssp_mode > 0 && conn->ssp_mode > 0) && - conn->sec_level != BT_SECURITY_HIGH) + conn->pending_sec_level != BT_SECURITY_HIGH) return 0; return 1; @@ -871,7 +880,7 @@ static inline void hci_inquiry_complete_evt(struct hci_dev *hdev, struct sk_buff clear_bit(HCI_INQUIRY, &hdev->flags); - hci_req_complete(hdev, status); + hci_req_complete(hdev, HCI_OP_INQUIRY, status); hci_conn_check_pending(hdev); } @@ -1086,9 +1095,10 @@ static inline void hci_auth_complete_evt(struct hci_dev *hdev, struct sk_buff *s conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle)); if (conn) { - if (!ev->status) + if (!ev->status) { conn->link_mode |= HCI_LM_AUTH; - else + conn->sec_level = conn->pending_sec_level; + } else conn->sec_level = BT_SECURITY_LOW; clear_bit(HCI_CONN_AUTH_PEND, &conn->pend); @@ -1379,6 +1389,10 @@ static inline void hci_cmd_complete_evt(struct hci_dev *hdev, struct sk_buff *sk hci_cc_read_bd_addr(hdev, skb); break; + case HCI_OP_WRITE_CA_TIMEOUT: + hci_cc_write_ca_timeout(hdev, skb); + break; + default: BT_DBG("%s opcode 0x%x", hdev->name, opcode); break; diff --git a/net/bluetooth/hci_sock.c b/net/bluetooth/hci_sock.c index b3753bad2a55..29827c77f6ce 100644 --- a/net/bluetooth/hci_sock.c +++ b/net/bluetooth/hci_sock.c @@ -49,6 +49,8 @@ #include <net/bluetooth/bluetooth.h> #include <net/bluetooth/hci_core.h> +static int enable_mgmt; + /* ----- HCI socket interface ----- */ static inline int hci_test_bit(int nr, void *addr) @@ -102,6 +104,12 @@ void hci_send_to_sock(struct hci_dev *hdev, struct sk_buff *skb) if (skb->sk == sk) continue; + if (bt_cb(skb)->channel != hci_pi(sk)->channel) + continue; + + if (bt_cb(skb)->channel == HCI_CHANNEL_CONTROL) + goto clone; + /* Apply filter */ flt = &hci_pi(sk)->filter; @@ -125,12 +133,14 @@ void hci_send_to_sock(struct hci_dev *hdev, struct sk_buff *skb) continue; } +clone: nskb = skb_clone(skb, GFP_ATOMIC); if (!nskb) continue; /* Put type byte before the data */ - memcpy(skb_push(nskb, 1), &bt_cb(nskb)->pkt_type, 1); + if (bt_cb(skb)->channel == HCI_CHANNEL_RAW) + memcpy(skb_push(nskb, 1), &bt_cb(nskb)->pkt_type, 1); if (sock_queue_rcv_skb(sk, nskb)) kfree_skb(nskb); @@ -353,25 +363,38 @@ static int hci_sock_ioctl(struct socket *sock, unsigned int cmd, unsigned long a static int hci_sock_bind(struct socket *sock, struct sockaddr *addr, int addr_len) { - struct sockaddr_hci *haddr = (struct sockaddr_hci *) addr; + struct sockaddr_hci haddr; struct sock *sk = sock->sk; struct hci_dev *hdev = NULL; - int err = 0; + int len, err = 0; BT_DBG("sock %p sk %p", sock, sk); - if (!haddr || haddr->hci_family != AF_BLUETOOTH) + if (!addr) + return -EINVAL; + + memset(&haddr, 0, sizeof(haddr)); + len = min_t(unsigned int, sizeof(haddr), addr_len); + memcpy(&haddr, addr, len); + + if (haddr.hci_family != AF_BLUETOOTH) + return -EINVAL; + + if (haddr.hci_channel > HCI_CHANNEL_CONTROL) + return -EINVAL; + + if (haddr.hci_channel == HCI_CHANNEL_CONTROL && !enable_mgmt) return -EINVAL; lock_sock(sk); - if (hci_pi(sk)->hdev) { + if (sk->sk_state == BT_BOUND || hci_pi(sk)->hdev) { err = -EALREADY; goto done; } - if (haddr->hci_dev != HCI_DEV_NONE) { - hdev = hci_dev_get(haddr->hci_dev); + if (haddr.hci_dev != HCI_DEV_NONE) { + hdev = hci_dev_get(haddr.hci_dev); if (!hdev) { err = -ENODEV; goto done; @@ -380,6 +403,7 @@ static int hci_sock_bind(struct socket *sock, struct sockaddr *addr, int addr_le atomic_inc(&hdev->promisc); } + hci_pi(sk)->channel = haddr.hci_channel; hci_pi(sk)->hdev = hdev; sk->sk_state = BT_BOUND; @@ -502,6 +526,17 @@ static int hci_sock_sendmsg(struct kiocb *iocb, struct socket *sock, lock_sock(sk); + switch (hci_pi(sk)->channel) { + case HCI_CHANNEL_RAW: + break; + case HCI_CHANNEL_CONTROL: + err = mgmt_control(sk, msg, len); + goto done; + default: + err = -EINVAL; + goto done; + } + hdev = hci_pi(sk)->hdev; if (!hdev) { err = -EBADFD; @@ -831,3 +866,6 @@ void __exit hci_sock_cleanup(void) proto_unregister(&hci_sk_proto); } + +module_param(enable_mgmt, bool, 0644); +MODULE_PARM_DESC(enable_mgmt, "Enable Management interface"); diff --git a/net/bluetooth/l2cap.c b/net/bluetooth/l2cap.c index c12eccfdfe01..7550abb0c96a 100644 --- a/net/bluetooth/l2cap.c +++ b/net/bluetooth/l2cap.c @@ -305,33 +305,44 @@ static void l2cap_chan_del(struct sock *sk, int err) } } -/* Service level security */ -static inline int l2cap_check_security(struct sock *sk) +static inline u8 l2cap_get_auth_type(struct sock *sk) { - struct l2cap_conn *conn = l2cap_pi(sk)->conn; - __u8 auth_type; + if (sk->sk_type == SOCK_RAW) { + switch (l2cap_pi(sk)->sec_level) { + case BT_SECURITY_HIGH: + return HCI_AT_DEDICATED_BONDING_MITM; + case BT_SECURITY_MEDIUM: + return HCI_AT_DEDICATED_BONDING; + default: + return HCI_AT_NO_BONDING; + } + } else if (l2cap_pi(sk)->psm == cpu_to_le16(0x0001)) { + if (l2cap_pi(sk)->sec_level == BT_SECURITY_LOW) + l2cap_pi(sk)->sec_level = BT_SECURITY_SDP; - if (l2cap_pi(sk)->psm == cpu_to_le16(0x0001)) { if (l2cap_pi(sk)->sec_level == BT_SECURITY_HIGH) - auth_type = HCI_AT_NO_BONDING_MITM; + return HCI_AT_NO_BONDING_MITM; else - auth_type = HCI_AT_NO_BONDING; - - if (l2cap_pi(sk)->sec_level == BT_SECURITY_LOW) - l2cap_pi(sk)->sec_level = BT_SECURITY_SDP; + return HCI_AT_NO_BONDING; } else { switch (l2cap_pi(sk)->sec_level) { case BT_SECURITY_HIGH: - auth_type = HCI_AT_GENERAL_BONDING_MITM; - break; + return HCI_AT_GENERAL_BONDING_MITM; case BT_SECURITY_MEDIUM: - auth_type = HCI_AT_GENERAL_BONDING; - break; + return HCI_AT_GENERAL_BONDING; default: - auth_type = HCI_AT_NO_BONDING; - break; + return HCI_AT_NO_BONDING; } } +} + +/* Service level security */ +static inline int l2cap_check_security(struct sock *sk) +{ + struct l2cap_conn *conn = l2cap_pi(sk)->conn; + __u8 auth_type; + + auth_type = l2cap_get_auth_type(sk); return hci_conn_security(conn->hcon, l2cap_pi(sk)->sec_level, auth_type); @@ -1068,39 +1079,7 @@ static int l2cap_do_connect(struct sock *sk) err = -ENOMEM; - if (sk->sk_type == SOCK_RAW) { - switch (l2cap_pi(sk)->sec_level) { - case BT_SECURITY_HIGH: - auth_type = HCI_AT_DEDICATED_BONDING_MITM; - break; - case BT_SECURITY_MEDIUM: - auth_type = HCI_AT_DEDICATED_BONDING; - break; - default: - auth_type = HCI_AT_NO_BONDING; - break; - } - } else if (l2cap_pi(sk)->psm == cpu_to_le16(0x0001)) { - if (l2cap_pi(sk)->sec_level == BT_SECURITY_HIGH) - auth_type = HCI_AT_NO_BONDING_MITM; - else - auth_type = HCI_AT_NO_BONDING; - - if (l2cap_pi(sk)->sec_level == BT_SECURITY_LOW) - l2cap_pi(sk)->sec_level = BT_SECURITY_SDP; - } else { - switch (l2cap_pi(sk)->sec_level) { - case BT_SECURITY_HIGH: - auth_type = HCI_AT_GENERAL_BONDING_MITM; - break; - case BT_SECURITY_MEDIUM: - auth_type = HCI_AT_GENERAL_BONDING; - break; - default: - auth_type = HCI_AT_NO_BONDING; - break; - } - } + auth_type = l2cap_get_auth_type(sk); hcon = hci_connect(hdev, ACL_LINK, dst, l2cap_pi(sk)->sec_level, auth_type); @@ -1127,7 +1106,8 @@ static int l2cap_do_connect(struct sock *sk) if (sk->sk_type != SOCK_SEQPACKET && sk->sk_type != SOCK_STREAM) { l2cap_sock_clear_timer(sk); - sk->sk_state = BT_CONNECTED; + if (l2cap_check_security(sk)) + sk->sk_state = BT_CONNECTED; } else l2cap_do_start(sk); } @@ -1893,8 +1873,8 @@ static int l2cap_sock_sendmsg(struct kiocb *iocb, struct socket *sock, struct ms if (pi->mode == L2CAP_MODE_STREAMING) { l2cap_streaming_send(sk); } else { - if (pi->conn_state & L2CAP_CONN_REMOTE_BUSY && - pi->conn_state && L2CAP_CONN_WAIT_F) { + if ((pi->conn_state & L2CAP_CONN_REMOTE_BUSY) && + (pi->conn_state & L2CAP_CONN_WAIT_F)) { err = len; break; } @@ -3124,8 +3104,14 @@ static inline int l2cap_config_req(struct l2cap_conn *conn, struct l2cap_cmd_hdr if (!sk) return -ENOENT; - if (sk->sk_state == BT_DISCONN) + if (sk->sk_state != BT_CONFIG) { + struct l2cap_cmd_rej rej; + + rej.reason = cpu_to_le16(0x0002); + l2cap_send_cmd(conn, cmd->ident, L2CAP_COMMAND_REJ, + sizeof(rej), &rej); goto unlock; + } /* Reject if config buffer is too small. */ len = cmd_len - sizeof(*req); diff --git a/net/bluetooth/mgmt.c b/net/bluetooth/mgmt.c new file mode 100644 index 000000000000..f827fd908380 --- /dev/null +++ b/net/bluetooth/mgmt.c @@ -0,0 +1,308 @@ +/* + BlueZ - Bluetooth protocol stack for Linux + Copyright (C) 2010 Nokia Corporation + + This program is free software; you can redistribute it and/or modify + it under the terms of the GNU General Public License version 2 as + published by the Free Software Foundation; + + THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS + OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT OF THIRD PARTY RIGHTS. + IN NO EVENT SHALL THE COPYRIGHT HOLDER(S) AND AUTHOR(S) BE LIABLE FOR ANY + CLAIM, OR ANY SPECIAL INDIRECT OR CONSEQUENTIAL DAMAGES, OR ANY DAMAGES + WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN + ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF + OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + + ALL LIABILITY, INCLUDING LIABILITY FOR INFRINGEMENT OF ANY PATENTS, + COPYRIGHTS, TRADEMARKS OR OTHER RIGHTS, RELATING TO USE OF THIS + SOFTWARE IS DISCLAIMED. +*/ + +/* Bluetooth HCI Management interface */ + +#include <asm/uaccess.h> +#include <asm/unaligned.h> + +#include <net/bluetooth/bluetooth.h> +#include <net/bluetooth/hci_core.h> +#include <net/bluetooth/mgmt.h> + +#define MGMT_VERSION 0 +#define MGMT_REVISION 1 + +static int cmd_status(struct sock *sk, u16 cmd, u8 status) +{ + struct sk_buff *skb; + struct mgmt_hdr *hdr; + struct mgmt_ev_cmd_status *ev; + + BT_DBG("sock %p", sk); + + skb = alloc_skb(sizeof(*hdr) + sizeof(*ev), GFP_ATOMIC); + if (!skb) + return -ENOMEM; + + hdr = (void *) skb_put(skb, sizeof(*hdr)); + + hdr->opcode = cpu_to_le16(MGMT_EV_CMD_STATUS); + hdr->len = cpu_to_le16(sizeof(*ev)); + + ev = (void *) skb_put(skb, sizeof(*ev)); + ev->status = status; + put_unaligned_le16(cmd, &ev->opcode); + + if (sock_queue_rcv_skb(sk, skb) < 0) + kfree_skb(skb); + + return 0; +} + +static int read_version(struct sock *sk) +{ + struct sk_buff *skb; + struct mgmt_hdr *hdr; + struct mgmt_ev_cmd_complete *ev; + struct mgmt_rp_read_version *rp; + + BT_DBG("sock %p", sk); + + skb = alloc_skb(sizeof(*hdr) + sizeof(*ev) + sizeof(*rp), GFP_ATOMIC); + if (!skb) + return -ENOMEM; + + hdr = (void *) skb_put(skb, sizeof(*hdr)); + hdr->opcode = cpu_to_le16(MGMT_EV_CMD_COMPLETE); + hdr->len = cpu_to_le16(sizeof(*ev) + sizeof(*rp)); + + ev = (void *) skb_put(skb, sizeof(*ev)); + put_unaligned_le16(MGMT_OP_READ_VERSION, &ev->opcode); + + rp = (void *) skb_put(skb, sizeof(*rp)); + rp->version = MGMT_VERSION; + put_unaligned_le16(MGMT_REVISION, &rp->revision); + + if (sock_queue_rcv_skb(sk, skb) < 0) + kfree_skb(skb); + + return 0; +} + +static int read_index_list(struct sock *sk) +{ + struct sk_buff *skb; + struct mgmt_hdr *hdr; + struct mgmt_ev_cmd_complete *ev; + struct mgmt_rp_read_index_list *rp; + struct list_head *p; + size_t body_len; + u16 count; + int i; + + BT_DBG("sock %p", sk); + + read_lock(&hci_dev_list_lock); + + count = 0; + list_for_each(p, &hci_dev_list) { + count++; + } + + body_len = sizeof(*ev) + sizeof(*rp) + (2 * count); + skb = alloc_skb(sizeof(*hdr) + body_len, GFP_ATOMIC); + if (!skb) + return -ENOMEM; + + hdr = (void *) skb_put(skb, sizeof(*hdr)); + hdr->opcode = cpu_to_le16(MGMT_EV_CMD_COMPLETE); + hdr->len = cpu_to_le16(body_len); + + ev = (void *) skb_put(skb, sizeof(*ev)); + put_unaligned_le16(MGMT_OP_READ_INDEX_LIST, &ev->opcode); + + rp = (void *) skb_put(skb, sizeof(*rp) + (2 * count)); + put_unaligned_le16(count, &rp->num_controllers); + + i = 0; + list_for_each(p, &hci_dev_list) { + struct hci_dev *d = list_entry(p, struct hci_dev, list); + put_unaligned_le16(d->id, &rp->index[i++]); + BT_DBG("Added hci%u", d->id); + } + + read_unlock(&hci_dev_list_lock); + + if (sock_queue_rcv_skb(sk, skb) < 0) + kfree_skb(skb); + + return 0; +} + +static int read_controller_info(struct sock *sk, unsigned char *data, u16 len) +{ + struct sk_buff *skb; + struct mgmt_hdr *hdr; + struct mgmt_ev_cmd_complete *ev; + struct mgmt_rp_read_info *rp; + struct mgmt_cp_read_info *cp; + struct hci_dev *hdev; + u16 dev_id; + + BT_DBG("sock %p", sk); + + if (len != 2) + return cmd_status(sk, MGMT_OP_READ_INFO, EINVAL); + + skb = alloc_skb(sizeof(*hdr) + sizeof(*ev) + sizeof(*rp), GFP_ATOMIC); + if (!skb) + return -ENOMEM; + + hdr = (void *) skb_put(skb, sizeof(*hdr)); + hdr->opcode = cpu_to_le16(MGMT_EV_CMD_COMPLETE); + hdr->len = cpu_to_le16(sizeof(*ev) + sizeof(*rp)); + + ev = (void *) skb_put(skb, sizeof(*ev)); + put_unaligned_le16(MGMT_OP_READ_INFO, &ev->opcode); + + rp = (void *) skb_put(skb, sizeof(*rp)); + + cp = (void *) data; + dev_id = get_unaligned_le16(&cp->index); + + BT_DBG("request for hci%u", dev_id); + + hdev = hci_dev_get(dev_id); + if (!hdev) { + kfree_skb(skb); + return cmd_status(sk, MGMT_OP_READ_INFO, ENODEV); + } + + hci_dev_lock_bh(hdev); + + put_unaligned_le16(hdev->id, &rp->index); + rp->type = hdev->dev_type; + + rp->powered = test_bit(HCI_UP, &hdev->flags); + rp->discoverable = test_bit(HCI_ISCAN, &hdev->flags); + rp->pairable = test_bit(HCI_PSCAN, &hdev->flags); + + if (test_bit(HCI_AUTH, &hdev->flags)) + rp->sec_mode = 3; + else if (hdev->ssp_mode > 0) + rp->sec_mode = 4; + else + rp->sec_mode = 2; + + bacpy(&rp->bdaddr, &hdev->bdaddr); + memcpy(rp->features, hdev->features, 8); + memcpy(rp->dev_class, hdev->dev_class, 3); + put_unaligned_le16(hdev->manufacturer, &rp->manufacturer); + rp->hci_ver = hdev->hci_ver; + put_unaligned_le16(hdev->hci_rev, &rp->hci_rev); + + hci_dev_unlock_bh(hdev); + hci_dev_put(hdev); + + if (sock_queue_rcv_skb(sk, skb) < 0) + kfree_skb(skb); + + return 0; +} + +int mgmt_control(struct sock *sk, struct msghdr *msg, size_t msglen) +{ + unsigned char *buf; + struct mgmt_hdr *hdr; + u16 opcode, len; + int err; + + BT_DBG("got %zu bytes", msglen); + + if (msglen < sizeof(*hdr)) + return -EINVAL; + + buf = kmalloc(msglen, GFP_ATOMIC); + if (!buf) + return -ENOMEM; + + if (memcpy_fromiovec(buf, msg->msg_iov, msglen)) { + err = -EFAULT; + goto done; + } + + hdr = (struct mgmt_hdr *) buf; + opcode = get_unaligned_le16(&hdr->opcode); + len = get_unaligned_le16(&hdr->len); + + if (len != msglen - sizeof(*hdr)) { + err = -EINVAL; + goto done; + } + + switch (opcode) { + case MGMT_OP_READ_VERSION: + err = read_version(sk); + break; + case MGMT_OP_READ_INDEX_LIST: + err = read_index_list(sk); + break; + case MGMT_OP_READ_INFO: + err = read_controller_info(sk, buf + sizeof(*hdr), len); + break; + default: + BT_DBG("Unknown op %u", opcode); + err = cmd_status(sk, opcode, 0x01); + break; + } + + if (err < 0) + goto done; + + err = msglen; + +done: + kfree(buf); + return err; +} + +static int mgmt_event(u16 event, void *data, u16 data_len) +{ + struct sk_buff *skb; + struct mgmt_hdr *hdr; + + skb = alloc_skb(sizeof(*hdr) + data_len, GFP_ATOMIC); + if (!skb) + return -ENOMEM; + + bt_cb(skb)->channel = HCI_CHANNEL_CONTROL; + + hdr = (void *) skb_put(skb, sizeof(*hdr)); + hdr->opcode = cpu_to_le16(event); + hdr->len = cpu_to_le16(data_len); + + memcpy(skb_put(skb, data_len), data, data_len); + + hci_send_to_sock(NULL, skb); + kfree_skb(skb); + + return 0; +} + +int mgmt_index_added(u16 index) +{ + struct mgmt_ev_index_added ev; + + put_unaligned_le16(index, &ev.index); + + return mgmt_event(MGMT_EV_INDEX_ADDED, &ev, sizeof(ev)); +} + +int mgmt_index_removed(u16 index) +{ + struct mgmt_ev_index_added ev; + + put_unaligned_le16(index, &ev.index); + + return mgmt_event(MGMT_EV_INDEX_REMOVED, &ev, sizeof(ev)); +} diff --git a/net/bluetooth/rfcomm/core.c b/net/bluetooth/rfcomm/core.c index ff8aaa736650..6b83776534fb 100644 --- a/net/bluetooth/rfcomm/core.c +++ b/net/bluetooth/rfcomm/core.c @@ -1164,7 +1164,8 @@ static int rfcomm_recv_ua(struct rfcomm_session *s, u8 dlci) * initiator rfcomm_process_rx already calls * rfcomm_session_put() */ if (s->sock->sk->sk_state != BT_CLOSED) - rfcomm_session_put(s); + if (list_empty(&s->dlcs)) + rfcomm_session_put(s); break; } } diff --git a/net/bridge/br_forward.c b/net/bridge/br_forward.c index 2bd11ec6d166..ee64287f1290 100644 --- a/net/bridge/br_forward.c +++ b/net/bridge/br_forward.c @@ -41,17 +41,13 @@ static inline unsigned packet_length(const struct sk_buff *skb) int br_dev_queue_push_xmit(struct sk_buff *skb) { - /* drop mtu oversized packets except gso */ - if (packet_length(skb) > skb->dev->mtu && !skb_is_gso(skb)) + /* ip_fragment doesn't copy the MAC header */ + if (nf_bridge_maybe_copy_header(skb) || + (packet_length(skb) > skb->dev->mtu && !skb_is_gso(skb))) { kfree_skb(skb); - else { - /* ip_fragment doesn't copy the MAC header */ - if (nf_bridge_maybe_copy_header(skb)) - kfree_skb(skb); - else { - skb_push(skb, ETH_HLEN); - dev_queue_xmit(skb); - } + } else { + skb_push(skb, ETH_HLEN); + dev_queue_xmit(skb); } return 0; diff --git a/net/bridge/br_multicast.c b/net/bridge/br_multicast.c index f03e2e98cd44..f701a21acb34 100644 --- a/net/bridge/br_multicast.c +++ b/net/bridge/br_multicast.c @@ -1451,7 +1451,7 @@ static int br_multicast_ipv6_rcv(struct net_bridge *br, struct net_bridge_port *port, struct sk_buff *skb) { - struct sk_buff *skb2 = skb; + struct sk_buff *skb2; struct ipv6hdr *ip6h; struct icmp6hdr *icmp6h; u8 nexthdr; @@ -1490,15 +1490,15 @@ static int br_multicast_ipv6_rcv(struct net_bridge *br, if (!skb2) return -ENOMEM; + err = -EINVAL; + if (!pskb_may_pull(skb2, offset + sizeof(struct icmp6hdr))) + goto out; + len -= offset - skb_network_offset(skb2); __skb_pull(skb2, offset); skb_reset_transport_header(skb2); - err = -EINVAL; - if (!pskb_may_pull(skb2, sizeof(*icmp6h))) - goto out; - icmp6h = icmp6_hdr(skb2); switch (icmp6h->icmp6_type) { @@ -1537,7 +1537,12 @@ static int br_multicast_ipv6_rcv(struct net_bridge *br, switch (icmp6h->icmp6_type) { case ICMPV6_MGM_REPORT: { - struct mld_msg *mld = (struct mld_msg *)icmp6h; + struct mld_msg *mld; + if (!pskb_may_pull(skb2, sizeof(*mld))) { + err = -EINVAL; + goto out; + } + mld = (struct mld_msg *)skb_transport_header(skb2); BR_INPUT_SKB_CB(skb2)->mrouters_only = 1; err = br_ip6_multicast_add_group(br, port, &mld->mld_mca); break; @@ -1550,15 +1555,18 @@ static int br_multicast_ipv6_rcv(struct net_bridge *br, break; case ICMPV6_MGM_REDUCTION: { - struct mld_msg *mld = (struct mld_msg *)icmp6h; + struct mld_msg *mld; + if (!pskb_may_pull(skb2, sizeof(*mld))) { + err = -EINVAL; + goto out; + } + mld = (struct mld_msg *)skb_transport_header(skb2); br_ip6_multicast_leave_group(br, port, &mld->mld_mca); } } out: - __skb_push(skb2, offset); - if (skb2 != skb) - kfree_skb(skb2); + kfree_skb(skb2); return err; } #endif diff --git a/net/bridge/br_stp_bpdu.c b/net/bridge/br_stp_bpdu.c index 3d9a55d3822f..289646ec9b7b 100644 --- a/net/bridge/br_stp_bpdu.c +++ b/net/bridge/br_stp_bpdu.c @@ -50,6 +50,8 @@ static void br_send_bpdu(struct net_bridge_port *p, llc_mac_hdr_init(skb, p->dev->dev_addr, p->br->group_addr); + skb_reset_mac_header(skb); + NF_HOOK(NFPROTO_BRIDGE, NF_BR_LOCAL_OUT, skb, NULL, skb->dev, dev_queue_xmit); } diff --git a/net/bridge/br_stp_if.c b/net/bridge/br_stp_if.c index 1d8826914cbf..79372d4a4055 100644 --- a/net/bridge/br_stp_if.c +++ b/net/bridge/br_stp_if.c @@ -145,7 +145,7 @@ static void br_stp_stop(struct net_bridge *br) char *envp[] = { NULL }; if (br->stp_enabled == BR_USER_STP) { - r = call_usermodehelper(BR_STP_PROG, argv, envp, 1); + r = call_usermodehelper(BR_STP_PROG, argv, envp, UMH_WAIT_PROC); br_info(br, "userspace STP stopped, return code %d\n", r); /* To start timers on any ports left in blocking */ diff --git a/net/bridge/netfilter/ebtables.c b/net/bridge/netfilter/ebtables.c index cbc9f395ab1e..16df0532d4b9 100644 --- a/net/bridge/netfilter/ebtables.c +++ b/net/bridge/netfilter/ebtables.c @@ -1147,7 +1147,7 @@ ebt_register_table(struct net *net, const struct ebt_table *input_table) void *p; if (input_table == NULL || (repl = input_table->table) == NULL || - repl->entries == 0 || repl->entries_size == 0 || + repl->entries == NULL || repl->entries_size == 0 || repl->counters != NULL || input_table->private != NULL) { BUGPRINT("Bad table data for ebt_register_table!!!\n"); return ERR_PTR(-EINVAL); diff --git a/net/caif/caif_socket.c b/net/caif/caif_socket.c index 1bf0cf503796..8184c031d028 100644 --- a/net/caif/caif_socket.c +++ b/net/caif/caif_socket.c @@ -740,12 +740,12 @@ static int setsockopt(struct socket *sock, if (cf_sk->sk.sk_protocol != CAIFPROTO_UTIL) return -ENOPROTOOPT; lock_sock(&(cf_sk->sk)); - cf_sk->conn_req.param.size = ol; if (ol > sizeof(cf_sk->conn_req.param.data) || copy_from_user(&cf_sk->conn_req.param.data, ov, ol)) { release_sock(&cf_sk->sk); return -EINVAL; } + cf_sk->conn_req.param.size = ol; release_sock(&cf_sk->sk); return 0; diff --git a/net/caif/cfcnfg.c b/net/caif/cfcnfg.c index 21ede141018a..c665de778b60 100644 --- a/net/caif/cfcnfg.c +++ b/net/caif/cfcnfg.c @@ -191,6 +191,7 @@ int cfcnfg_disconn_adapt_layer(struct cfcnfg *cnfg, struct cflayer *adap_layer) struct cflayer *servl = NULL; struct cfcnfg_phyinfo *phyinfo = NULL; u8 phyid = 0; + caif_assert(adap_layer != NULL); channel_id = adap_layer->id; if (adap_layer->dn == NULL || channel_id == 0) { @@ -199,16 +200,16 @@ int cfcnfg_disconn_adapt_layer(struct cfcnfg *cnfg, struct cflayer *adap_layer) goto end; } servl = cfmuxl_remove_uplayer(cnfg->mux, channel_id); - if (servl == NULL) - goto end; - layer_set_up(servl, NULL); - ret = cfctrl_linkdown_req(cnfg->ctrl, channel_id, adap_layer); if (servl == NULL) { pr_err("PROTOCOL ERROR - Error removing service_layer Channel_Id(%d)", channel_id); ret = -EINVAL; goto end; } + layer_set_up(servl, NULL); + ret = cfctrl_linkdown_req(cnfg->ctrl, channel_id, adap_layer); + if (ret) + goto end; caif_assert(channel_id == servl->id); if (adap_layer->dn != NULL) { phyid = cfsrvl_getphyid(adap_layer->dn); diff --git a/net/caif/chnl_net.c b/net/caif/chnl_net.c index 84a422c98941..fa9dab372b68 100644 --- a/net/caif/chnl_net.c +++ b/net/caif/chnl_net.c @@ -76,6 +76,8 @@ static int chnl_recv_cb(struct cflayer *layr, struct cfpkt *pkt) struct chnl_net *priv = container_of(layr, struct chnl_net, chnl); int pktlen; int err = 0; + const u8 *ip_version; + u8 buf; priv = container_of(layr, struct chnl_net, chnl); @@ -90,7 +92,21 @@ static int chnl_recv_cb(struct cflayer *layr, struct cfpkt *pkt) * send the packet to the net stack. */ skb->dev = priv->netdev; - skb->protocol = htons(ETH_P_IP); + + /* check the version of IP */ + ip_version = skb_header_pointer(skb, 0, 1, &buf); + if (!ip_version) + return -EINVAL; + switch (*ip_version >> 4) { + case 4: + skb->protocol = htons(ETH_P_IP); + break; + case 6: + skb->protocol = htons(ETH_P_IPV6); + break; + default: + return -EINVAL; + } /* If we change the header in loop mode, the checksum is corrupted. */ if (priv->conn_req.protocol == CAIFPROTO_DATAGRAM_LOOP) diff --git a/net/can/bcm.c b/net/can/bcm.c index 6faa8256e10c..092dc88a7c64 100644 --- a/net/can/bcm.c +++ b/net/can/bcm.c @@ -125,7 +125,7 @@ struct bcm_sock { struct list_head tx_ops; unsigned long dropped_usr_msgs; struct proc_dir_entry *bcm_proc_read; - char procname [20]; /* pointer printed in ASCII with \0 */ + char procname [32]; /* inode number in decimal with \0 */ }; static inline struct bcm_sock *bcm_sk(const struct sock *sk) @@ -1256,6 +1256,9 @@ static int bcm_sendmsg(struct kiocb *iocb, struct socket *sock, struct sockaddr_can *addr = (struct sockaddr_can *)msg->msg_name; + if (msg->msg_namelen < sizeof(*addr)) + return -EINVAL; + if (addr->can_family != AF_CAN) return -EINVAL; @@ -1521,7 +1524,7 @@ static int bcm_connect(struct socket *sock, struct sockaddr *uaddr, int len, if (proc_dir) { /* unique socket address as filename */ - sprintf(bo->procname, "%p", sock); + sprintf(bo->procname, "%lu", sock_i_ino(sk)); bo->bcm_proc_read = proc_create_data(bo->procname, 0644, proc_dir, &bcm_proc_fops, sk); diff --git a/net/can/raw.c b/net/can/raw.c index e88f610fdb7b..883e9d74fddf 100644 --- a/net/can/raw.c +++ b/net/can/raw.c @@ -649,6 +649,9 @@ static int raw_sendmsg(struct kiocb *iocb, struct socket *sock, struct sockaddr_can *addr = (struct sockaddr_can *)msg->msg_name; + if (msg->msg_namelen < sizeof(*addr)) + return -EINVAL; + if (addr->can_family != AF_CAN) return -EINVAL; diff --git a/net/ceph/ceph_hash.c b/net/ceph/ceph_hash.c index 815ef8826796..0a1b53bce76d 100644 --- a/net/ceph/ceph_hash.c +++ b/net/ceph/ceph_hash.c @@ -1,5 +1,6 @@ #include <linux/ceph/types.h> +#include <linux/module.h> /* * Robert Jenkin's hash function. @@ -104,6 +105,7 @@ unsigned ceph_str_hash(int type, const char *s, unsigned len) return -1; } } +EXPORT_SYMBOL(ceph_str_hash); const char *ceph_str_hash_name(int type) { @@ -116,3 +118,4 @@ const char *ceph_str_hash_name(int type) return "unknown"; } } +EXPORT_SYMBOL(ceph_str_hash_name); diff --git a/net/ceph/messenger.c b/net/ceph/messenger.c index 0e8157ee5d43..dff633d62e5b 100644 --- a/net/ceph/messenger.c +++ b/net/ceph/messenger.c @@ -96,12 +96,10 @@ struct workqueue_struct *ceph_msgr_wq; int ceph_msgr_init(void) { - ceph_msgr_wq = create_workqueue("ceph-msgr"); - if (IS_ERR(ceph_msgr_wq)) { - int ret = PTR_ERR(ceph_msgr_wq); - pr_err("msgr_init failed to create workqueue: %d\n", ret); - ceph_msgr_wq = NULL; - return ret; + ceph_msgr_wq = alloc_workqueue("ceph-msgr", WQ_NON_REENTRANT, 0); + if (!ceph_msgr_wq) { + pr_err("msgr_init failed to create workqueue\n"); + return -ENOMEM; } return 0; } @@ -540,8 +538,7 @@ static void prepare_write_message(struct ceph_connection *con) /* initialize page iterator */ con->out_msg_pos.page = 0; if (m->pages) - con->out_msg_pos.page_pos = - le16_to_cpu(m->hdr.data_off) & ~PAGE_MASK; + con->out_msg_pos.page_pos = m->page_alignment; else con->out_msg_pos.page_pos = 0; con->out_msg_pos.data_pos = 0; @@ -1491,7 +1488,7 @@ static int read_partial_message(struct ceph_connection *con) struct ceph_msg *m = con->in_msg; int ret; int to, left; - unsigned front_len, middle_len, data_len, data_off; + unsigned front_len, middle_len, data_len; int datacrc = con->msgr->nocrc; int skip; u64 seq; @@ -1527,19 +1524,17 @@ static int read_partial_message(struct ceph_connection *con) data_len = le32_to_cpu(con->in_hdr.data_len); if (data_len > CEPH_MSG_MAX_DATA_LEN) return -EIO; - data_off = le16_to_cpu(con->in_hdr.data_off); /* verify seq# */ seq = le64_to_cpu(con->in_hdr.seq); if ((s64)seq - (s64)con->in_seq < 1) { - pr_info("skipping %s%lld %s seq %lld, expected %lld\n", + pr_info("skipping %s%lld %s seq %lld expected %lld\n", ENTITY_NAME(con->peer_name), ceph_pr_addr(&con->peer_addr.in_addr), seq, con->in_seq + 1); con->in_base_pos = -front_len - middle_len - data_len - sizeof(m->footer); con->in_tag = CEPH_MSGR_TAG_READY; - con->in_seq++; return 0; } else if ((s64)seq - (s64)con->in_seq > 1) { pr_err("read_partial_message bad seq %lld expected %lld\n", @@ -1576,7 +1571,7 @@ static int read_partial_message(struct ceph_connection *con) con->in_msg_pos.page = 0; if (m->pages) - con->in_msg_pos.page_pos = data_off & ~PAGE_MASK; + con->in_msg_pos.page_pos = m->page_alignment; else con->in_msg_pos.page_pos = 0; con->in_msg_pos.data_pos = 0; @@ -1925,20 +1920,6 @@ bad_tag: /* * Atomically queue work on a connection. Bump @con reference to * avoid races with connection teardown. - * - * There is some trickery going on with QUEUED and BUSY because we - * only want a _single_ thread operating on each connection at any - * point in time, but we want to use all available CPUs. - * - * The worker thread only proceeds if it can atomically set BUSY. It - * clears QUEUED and does it's thing. When it thinks it's done, it - * clears BUSY, then rechecks QUEUED.. if it's set again, it loops - * (tries again to set BUSY). - * - * To queue work, we first set QUEUED, _then_ if BUSY isn't set, we - * try to queue work. If that fails (work is already queued, or BUSY) - * we give up (work also already being done or is queued) but leave QUEUED - * set so that the worker thread will loop if necessary. */ static void queue_con(struct ceph_connection *con) { @@ -1953,11 +1934,7 @@ static void queue_con(struct ceph_connection *con) return; } - set_bit(QUEUED, &con->state); - if (test_bit(BUSY, &con->state)) { - dout("queue_con %p - already BUSY\n", con); - con->ops->put(con); - } else if (!queue_work(ceph_msgr_wq, &con->work.work)) { + if (!queue_delayed_work(ceph_msgr_wq, &con->work, 0)) { dout("queue_con %p - already queued\n", con); con->ops->put(con); } else { @@ -1972,15 +1949,6 @@ static void con_work(struct work_struct *work) { struct ceph_connection *con = container_of(work, struct ceph_connection, work.work); - int backoff = 0; - -more: - if (test_and_set_bit(BUSY, &con->state) != 0) { - dout("con_work %p BUSY already set\n", con); - goto out; - } - dout("con_work %p start, clearing QUEUED\n", con); - clear_bit(QUEUED, &con->state); mutex_lock(&con->mutex); @@ -1999,28 +1967,13 @@ more: try_read(con) < 0 || try_write(con) < 0) { mutex_unlock(&con->mutex); - backoff = 1; ceph_fault(con); /* error/fault path */ goto done_unlocked; } done: mutex_unlock(&con->mutex); - done_unlocked: - clear_bit(BUSY, &con->state); - dout("con->state=%lu\n", con->state); - if (test_bit(QUEUED, &con->state)) { - if (!backoff || test_bit(OPENING, &con->state)) { - dout("con_work %p QUEUED reset, looping\n", con); - goto more; - } - dout("con_work %p QUEUED reset, but just faulted\n", con); - clear_bit(QUEUED, &con->state); - } - dout("con_work %p done\n", con); - -out: con->ops->put(con); } @@ -2301,6 +2254,7 @@ struct ceph_msg *ceph_msg_new(int type, int front_len, gfp_t flags) /* data */ m->nr_pages = 0; + m->page_alignment = 0; m->pages = NULL; m->pagelist = NULL; m->bio = NULL; @@ -2370,6 +2324,7 @@ static struct ceph_msg *ceph_alloc_msg(struct ceph_connection *con, type, front_len); return NULL; } + msg->page_alignment = le16_to_cpu(hdr->data_off); } memcpy(&msg->hdr, &con->in_hdr, sizeof(con->in_hdr)); diff --git a/net/ceph/osd_client.c b/net/ceph/osd_client.c index 79391994b3ed..3e20a122ffa2 100644 --- a/net/ceph/osd_client.c +++ b/net/ceph/osd_client.c @@ -71,6 +71,7 @@ void ceph_calc_raw_layout(struct ceph_osd_client *osdc, op->extent.length = objlen; } req->r_num_pages = calc_pages_for(off, *plen); + req->r_page_alignment = off & ~PAGE_MASK; if (op->op == CEPH_OSD_OP_WRITE) op->payload_len = *plen; @@ -390,6 +391,8 @@ void ceph_osdc_build_request(struct ceph_osd_request *req, req->r_request->hdr.data_len = cpu_to_le32(data_len); } + req->r_request->page_alignment = req->r_page_alignment; + BUG_ON(p > msg->front.iov_base + msg->front.iov_len); msg_size = p - msg->front.iov_base; msg->front.iov_len = msg_size; @@ -419,7 +422,8 @@ struct ceph_osd_request *ceph_osdc_new_request(struct ceph_osd_client *osdc, u32 truncate_seq, u64 truncate_size, struct timespec *mtime, - bool use_mempool, int num_reply) + bool use_mempool, int num_reply, + int page_align) { struct ceph_osd_req_op ops[3]; struct ceph_osd_request *req; @@ -447,6 +451,10 @@ struct ceph_osd_request *ceph_osdc_new_request(struct ceph_osd_client *osdc, calc_layout(osdc, vino, layout, off, plen, req, ops); req->r_file_layout = *layout; /* keep a copy */ + /* in case it differs from natural alignment that calc_layout + filled in for us */ + req->r_page_alignment = page_align; + ceph_osdc_build_request(req, off, plen, ops, snapc, mtime, @@ -1489,7 +1497,7 @@ int ceph_osdc_readpages(struct ceph_osd_client *osdc, struct ceph_vino vino, struct ceph_file_layout *layout, u64 off, u64 *plen, u32 truncate_seq, u64 truncate_size, - struct page **pages, int num_pages) + struct page **pages, int num_pages, int page_align) { struct ceph_osd_request *req; int rc = 0; @@ -1499,15 +1507,15 @@ int ceph_osdc_readpages(struct ceph_osd_client *osdc, req = ceph_osdc_new_request(osdc, layout, vino, off, plen, CEPH_OSD_OP_READ, CEPH_OSD_FLAG_READ, NULL, 0, truncate_seq, truncate_size, NULL, - false, 1); + false, 1, page_align); if (!req) return -ENOMEM; /* it may be a short read due to an object boundary */ req->r_pages = pages; - dout("readpages final extent is %llu~%llu (%d pages)\n", - off, *plen, req->r_num_pages); + dout("readpages final extent is %llu~%llu (%d pages align %d)\n", + off, *plen, req->r_num_pages, page_align); rc = ceph_osdc_start_request(osdc, req, false); if (!rc) @@ -1533,6 +1541,7 @@ int ceph_osdc_writepages(struct ceph_osd_client *osdc, struct ceph_vino vino, { struct ceph_osd_request *req; int rc = 0; + int page_align = off & ~PAGE_MASK; BUG_ON(vino.snap != CEPH_NOSNAP); req = ceph_osdc_new_request(osdc, layout, vino, off, &len, @@ -1541,7 +1550,7 @@ int ceph_osdc_writepages(struct ceph_osd_client *osdc, struct ceph_vino vino, CEPH_OSD_FLAG_WRITE, snapc, do_sync, truncate_seq, truncate_size, mtime, - nofail, 1); + nofail, 1, page_align); if (!req) return -ENOMEM; @@ -1638,8 +1647,7 @@ static struct ceph_msg *get_reply(struct ceph_connection *con, m = ceph_msg_get(req->r_reply); if (data_len > 0) { - unsigned data_off = le16_to_cpu(hdr->data_off); - int want = calc_pages_for(data_off & ~PAGE_MASK, data_len); + int want = calc_pages_for(req->r_page_alignment, data_len); if (unlikely(req->r_num_pages < want)) { pr_warning("tid %lld reply %d > expected %d pages\n", @@ -1651,6 +1659,7 @@ static struct ceph_msg *get_reply(struct ceph_connection *con, } m->pages = req->r_pages; m->nr_pages = req->r_num_pages; + m->page_alignment = req->r_page_alignment; #ifdef CONFIG_BLOCK m->bio = req->r_bio; #endif diff --git a/net/ceph/osdmap.c b/net/ceph/osdmap.c index d73f3f6efa36..71603ac3dff5 100644 --- a/net/ceph/osdmap.c +++ b/net/ceph/osdmap.c @@ -605,8 +605,10 @@ struct ceph_osdmap *osdmap_decode(void **p, void *end) goto bad; } err = __decode_pool(p, end, pi); - if (err < 0) + if (err < 0) { + kfree(pi); goto bad; + } __insert_pg_pool(&map->pg_pools, pi); } diff --git a/net/ceph/pagevec.c b/net/ceph/pagevec.c index 54caf0687155..1a040e64c69f 100644 --- a/net/ceph/pagevec.c +++ b/net/ceph/pagevec.c @@ -13,8 +13,7 @@ * build a vector of user pages */ struct page **ceph_get_direct_page_vector(const char __user *data, - int num_pages, - loff_t off, size_t len) + int num_pages, bool write_page) { struct page **pages; int rc; @@ -25,24 +24,27 @@ struct page **ceph_get_direct_page_vector(const char __user *data, down_read(¤t->mm->mmap_sem); rc = get_user_pages(current, current->mm, (unsigned long)data, - num_pages, 0, 0, pages, NULL); + num_pages, write_page, 0, pages, NULL); up_read(¤t->mm->mmap_sem); - if (rc < 0) + if (rc < num_pages) goto fail; return pages; fail: - kfree(pages); + ceph_put_page_vector(pages, rc > 0 ? rc : 0, false); return ERR_PTR(rc); } EXPORT_SYMBOL(ceph_get_direct_page_vector); -void ceph_put_page_vector(struct page **pages, int num_pages) +void ceph_put_page_vector(struct page **pages, int num_pages, bool dirty) { int i; - for (i = 0; i < num_pages; i++) + for (i = 0; i < num_pages; i++) { + if (dirty) + set_page_dirty_lock(pages[i]); put_page(pages[i]); + } kfree(pages); } EXPORT_SYMBOL(ceph_put_page_vector); diff --git a/net/core/dev.c b/net/core/dev.c index 59877290bca7..93e44dbf6793 100644 --- a/net/core/dev.c +++ b/net/core/dev.c @@ -749,7 +749,8 @@ EXPORT_SYMBOL(dev_get_by_index); * @ha: hardware address * * Search for an interface by MAC address. Returns NULL if the device - * is not found or a pointer to the device. The caller must hold RCU + * is not found or a pointer to the device. + * The caller must hold RCU or RTNL. * The returned device has not had its ref count increased * and the caller must therefore be careful about locking * @@ -1547,13 +1548,6 @@ static void dev_queue_xmit_nit(struct sk_buff *skb, struct net_device *dev) struct sk_buff *skb2 = NULL; struct packet_type *pt_prev = NULL; -#ifdef CONFIG_NET_CLS_ACT - if (!(skb->tstamp.tv64 && (G_TC_FROM(skb->tc_verd) & AT_INGRESS))) - net_timestamp_set(skb); -#else - net_timestamp_set(skb); -#endif - rcu_read_lock(); list_for_each_entry_rcu(ptype, &ptype_all, list) { /* Never send packets back to the socket @@ -1572,6 +1566,8 @@ static void dev_queue_xmit_nit(struct sk_buff *skb, struct net_device *dev) if (!skb2) break; + net_timestamp_set(skb2); + /* skb->nh should be correctly set by sender, so that the second statement is just protection against buggy protocols. @@ -1737,33 +1733,6 @@ void netif_device_attach(struct net_device *dev) } EXPORT_SYMBOL(netif_device_attach); -static bool can_checksum_protocol(unsigned long features, __be16 protocol) -{ - return ((features & NETIF_F_NO_CSUM) || - ((features & NETIF_F_V4_CSUM) && - protocol == htons(ETH_P_IP)) || - ((features & NETIF_F_V6_CSUM) && - protocol == htons(ETH_P_IPV6)) || - ((features & NETIF_F_FCOE_CRC) && - protocol == htons(ETH_P_FCOE))); -} - -static bool dev_can_checksum(struct net_device *dev, struct sk_buff *skb) -{ - __be16 protocol = skb->protocol; - int features = dev->features; - - if (vlan_tx_tag_present(skb)) { - features &= dev->vlan_features; - } else if (protocol == htons(ETH_P_8021Q)) { - struct vlan_ethhdr *veh = (struct vlan_ethhdr *)skb->data; - protocol = veh->h_vlan_encapsulated_proto; - features &= dev->vlan_features; - } - - return can_checksum_protocol(features, protocol); -} - /** * skb_dev_set -- assign a new device to a buffer * @skb: buffer for the new device @@ -1976,16 +1945,14 @@ static void dev_gso_skb_destructor(struct sk_buff *skb) /** * dev_gso_segment - Perform emulated hardware segmentation on skb. * @skb: buffer to segment + * @features: device features as applicable to this skb * * This function segments the given skb and stores the list of segments * in skb->next. */ -static int dev_gso_segment(struct sk_buff *skb) +static int dev_gso_segment(struct sk_buff *skb, int features) { - struct net_device *dev = skb->dev; struct sk_buff *segs; - int features = dev->features & ~(illegal_highdma(dev, skb) ? - NETIF_F_SG : 0); segs = skb_gso_segment(skb, features); @@ -2022,22 +1989,52 @@ static inline void skb_orphan_try(struct sk_buff *skb) } } -int netif_get_vlan_features(struct sk_buff *skb, struct net_device *dev) +static bool can_checksum_protocol(unsigned long features, __be16 protocol) +{ + return ((features & NETIF_F_GEN_CSUM) || + ((features & NETIF_F_V4_CSUM) && + protocol == htons(ETH_P_IP)) || + ((features & NETIF_F_V6_CSUM) && + protocol == htons(ETH_P_IPV6)) || + ((features & NETIF_F_FCOE_CRC) && + protocol == htons(ETH_P_FCOE))); +} + +static int harmonize_features(struct sk_buff *skb, __be16 protocol, int features) +{ + if (!can_checksum_protocol(features, protocol)) { + features &= ~NETIF_F_ALL_CSUM; + features &= ~NETIF_F_SG; + } else if (illegal_highdma(skb->dev, skb)) { + features &= ~NETIF_F_SG; + } + + return features; +} + +int netif_skb_features(struct sk_buff *skb) { __be16 protocol = skb->protocol; + int features = skb->dev->features; if (protocol == htons(ETH_P_8021Q)) { struct vlan_ethhdr *veh = (struct vlan_ethhdr *)skb->data; protocol = veh->h_vlan_encapsulated_proto; - } else if (!skb->vlan_tci) - return dev->features; + } else if (!vlan_tx_tag_present(skb)) { + return harmonize_features(skb, protocol, features); + } - if (protocol != htons(ETH_P_8021Q)) - return dev->features & dev->vlan_features; - else - return 0; + features &= (skb->dev->vlan_features | NETIF_F_HW_VLAN_TX); + + if (protocol != htons(ETH_P_8021Q)) { + return harmonize_features(skb, protocol, features); + } else { + features &= NETIF_F_SG | NETIF_F_HIGHDMA | NETIF_F_FRAGLIST | + NETIF_F_GEN_CSUM | NETIF_F_HW_VLAN_TX; + return harmonize_features(skb, protocol, features); + } } -EXPORT_SYMBOL(netif_get_vlan_features); +EXPORT_SYMBOL(netif_skb_features); /* * Returns true if either: @@ -2047,22 +2044,13 @@ EXPORT_SYMBOL(netif_get_vlan_features); * support DMA from it. */ static inline int skb_needs_linearize(struct sk_buff *skb, - struct net_device *dev) + int features) { - if (skb_is_nonlinear(skb)) { - int features = dev->features; - - if (vlan_tx_tag_present(skb)) - features &= dev->vlan_features; - - return (skb_has_frag_list(skb) && - !(features & NETIF_F_FRAGLIST)) || + return skb_is_nonlinear(skb) && + ((skb_has_frag_list(skb) && + !(features & NETIF_F_FRAGLIST)) || (skb_shinfo(skb)->nr_frags && - (!(features & NETIF_F_SG) || - illegal_highdma(dev, skb))); - } - - return 0; + !(features & NETIF_F_SG))); } int dev_hard_start_xmit(struct sk_buff *skb, struct net_device *dev, @@ -2072,6 +2060,8 @@ int dev_hard_start_xmit(struct sk_buff *skb, struct net_device *dev, int rc = NETDEV_TX_OK; if (likely(!skb->next)) { + int features; + /* * If device doesnt need skb->dst, release it right now while * its hot in this cpu cache @@ -2084,8 +2074,10 @@ int dev_hard_start_xmit(struct sk_buff *skb, struct net_device *dev, skb_orphan_try(skb); + features = netif_skb_features(skb); + if (vlan_tx_tag_present(skb) && - !(dev->features & NETIF_F_HW_VLAN_TX)) { + !(features & NETIF_F_HW_VLAN_TX)) { skb = __vlan_put_tag(skb, vlan_tx_tag_get(skb)); if (unlikely(!skb)) goto out; @@ -2093,13 +2085,13 @@ int dev_hard_start_xmit(struct sk_buff *skb, struct net_device *dev, skb->vlan_tci = 0; } - if (netif_needs_gso(dev, skb)) { - if (unlikely(dev_gso_segment(skb))) + if (netif_needs_gso(skb, features)) { + if (unlikely(dev_gso_segment(skb, features))) goto out_kfree_skb; if (skb->next) goto gso; } else { - if (skb_needs_linearize(skb, dev) && + if (skb_needs_linearize(skb, features) && __skb_linearize(skb)) goto out_kfree_skb; @@ -2110,7 +2102,7 @@ int dev_hard_start_xmit(struct sk_buff *skb, struct net_device *dev, if (skb->ip_summed == CHECKSUM_PARTIAL) { skb_set_transport_header(skb, skb_checksum_start_offset(skb)); - if (!dev_can_checksum(dev, skb) && + if (!(features & NETIF_F_ALL_CSUM) && skb_checksum_help(skb)) goto out_kfree_skb; } @@ -2306,7 +2298,10 @@ static inline int __dev_xmit_skb(struct sk_buff *skb, struct Qdisc *q, */ if (!(dev->priv_flags & IFF_XMIT_DST_RELEASE)) skb_dst_force(skb); - __qdisc_update_bstats(q, skb->len); + + qdisc_skb_cb(skb)->pkt_len = skb->len; + qdisc_bstats_update(q, skb); + if (sch_direct_xmit(skb, q, dev, txq, root_lock)) { if (unlikely(contended)) { spin_unlock(&q->busylock); @@ -3429,6 +3424,7 @@ static void napi_reuse_skb(struct napi_struct *napi, struct sk_buff *skb) __skb_pull(skb, skb_headlen(skb)); skb_reserve(skb, NET_IP_ALIGN - skb_headroom(skb)); skb->vlan_tci = 0; + skb->dev = napi->dev; napi->skb = skb; } @@ -5529,34 +5525,6 @@ void netdev_run_todo(void) } } -/** - * dev_txq_stats_fold - fold tx_queues stats - * @dev: device to get statistics from - * @stats: struct rtnl_link_stats64 to hold results - */ -void dev_txq_stats_fold(const struct net_device *dev, - struct rtnl_link_stats64 *stats) -{ - u64 tx_bytes = 0, tx_packets = 0, tx_dropped = 0; - unsigned int i; - struct netdev_queue *txq; - - for (i = 0; i < dev->num_tx_queues; i++) { - txq = netdev_get_tx_queue(dev, i); - spin_lock_bh(&txq->_xmit_lock); - tx_bytes += txq->tx_bytes; - tx_packets += txq->tx_packets; - tx_dropped += txq->tx_dropped; - spin_unlock_bh(&txq->_xmit_lock); - } - if (tx_bytes || tx_packets || tx_dropped) { - stats->tx_bytes = tx_bytes; - stats->tx_packets = tx_packets; - stats->tx_dropped = tx_dropped; - } -} -EXPORT_SYMBOL(dev_txq_stats_fold); - /* Convert net_device_stats to rtnl_link_stats64. They have the same * fields in the same order, with only the type differing. */ @@ -5600,7 +5568,6 @@ struct rtnl_link_stats64 *dev_get_stats(struct net_device *dev, netdev_stats_to_stats64(storage, ops->ndo_get_stats(dev)); } else { netdev_stats_to_stats64(storage, &dev->stats); - dev_txq_stats_fold(dev, storage); } storage->rx_dropped += atomic_long_read(&dev->rx_dropped); return storage; @@ -5626,18 +5593,20 @@ struct netdev_queue *dev_ingress_queue_create(struct net_device *dev) } /** - * alloc_netdev_mq - allocate network device + * alloc_netdev_mqs - allocate network device * @sizeof_priv: size of private data to allocate space for * @name: device name format string * @setup: callback to initialize device - * @queue_count: the number of subqueues to allocate + * @txqs: the number of TX subqueues to allocate + * @rxqs: the number of RX subqueues to allocate * * Allocates a struct net_device with private data area for driver use * and performs basic initialization. Also allocates subquue structs - * for each queue on the device at the end of the netdevice. + * for each queue on the device. */ -struct net_device *alloc_netdev_mq(int sizeof_priv, const char *name, - void (*setup)(struct net_device *), unsigned int queue_count) +struct net_device *alloc_netdev_mqs(int sizeof_priv, const char *name, + void (*setup)(struct net_device *), + unsigned int txqs, unsigned int rxqs) { struct net_device *dev; size_t alloc_size; @@ -5645,12 +5614,20 @@ struct net_device *alloc_netdev_mq(int sizeof_priv, const char *name, BUG_ON(strlen(name) >= sizeof(dev->name)); - if (queue_count < 1) { + if (txqs < 1) { pr_err("alloc_netdev: Unable to allocate device " "with zero queues.\n"); return NULL; } +#ifdef CONFIG_RPS + if (rxqs < 1) { + pr_err("alloc_netdev: Unable to allocate device " + "with zero RX queues.\n"); + return NULL; + } +#endif + alloc_size = sizeof(struct net_device); if (sizeof_priv) { /* ensure 32-byte alignment of private area */ @@ -5681,14 +5658,14 @@ struct net_device *alloc_netdev_mq(int sizeof_priv, const char *name, dev_net_set(dev, &init_net); - dev->num_tx_queues = queue_count; - dev->real_num_tx_queues = queue_count; + dev->num_tx_queues = txqs; + dev->real_num_tx_queues = txqs; if (netif_alloc_netdev_queues(dev)) goto free_pcpu; #ifdef CONFIG_RPS - dev->num_rx_queues = queue_count; - dev->real_num_rx_queues = queue_count; + dev->num_rx_queues = rxqs; + dev->real_num_rx_queues = rxqs; if (netif_alloc_rx_queues(dev)) goto free_pcpu; #endif @@ -5716,7 +5693,7 @@ free_p: kfree(p); return NULL; } -EXPORT_SYMBOL(alloc_netdev_mq); +EXPORT_SYMBOL(alloc_netdev_mqs); /** * free_netdev - free network device @@ -6214,7 +6191,7 @@ static void __net_exit default_device_exit(struct net *net) static void __net_exit default_device_exit_batch(struct list_head *net_list) { /* At exit all network devices most be removed from a network - * namespace. Do this in the reverse order of registeration. + * namespace. Do this in the reverse order of registration. * Do this across as many network namespaces as possible to * improve batching efficiency. */ diff --git a/net/core/ethtool.c b/net/core/ethtool.c index 17741782a345..ff2302910b5e 100644 --- a/net/core/ethtool.c +++ b/net/core/ethtool.c @@ -817,7 +817,7 @@ static int ethtool_get_regs(struct net_device *dev, char __user *useraddr) if (regs.len > reglen) regs.len = reglen; - regbuf = vmalloc(reglen); + regbuf = vzalloc(reglen); if (!regbuf) return -ENOMEM; diff --git a/net/core/fib_rules.c b/net/core/fib_rules.c index 82a4369ae150..a20e5d3bbfa0 100644 --- a/net/core/fib_rules.c +++ b/net/core/fib_rules.c @@ -181,8 +181,7 @@ static int fib_rule_match(struct fib_rule *rule, struct fib_rules_ops *ops, { int ret = 0; - if (rule->iifindex && (rule->iifindex != fl->iif) && - !(fl->flags & FLOWI_FLAG_MATCH_ANY_IIF)) + if (rule->iifindex && (rule->iifindex != fl->iif)) goto out; if (rule->oifindex && (rule->oifindex != fl->oif)) diff --git a/net/core/filter.c b/net/core/filter.c index e8a6ac411ffb..afc58374ca96 100644 --- a/net/core/filter.c +++ b/net/core/filter.c @@ -85,6 +85,17 @@ enum { BPF_S_JMP_JGT_X, BPF_S_JMP_JSET_K, BPF_S_JMP_JSET_X, + /* Ancillary data */ + BPF_S_ANC_PROTOCOL, + BPF_S_ANC_PKTTYPE, + BPF_S_ANC_IFINDEX, + BPF_S_ANC_NLATTR, + BPF_S_ANC_NLATTR_NEST, + BPF_S_ANC_MARK, + BPF_S_ANC_QUEUE, + BPF_S_ANC_HATYPE, + BPF_S_ANC_RXHASH, + BPF_S_ANC_CPU, }; /* No hurry in this branch */ @@ -107,11 +118,7 @@ static inline void *load_pointer(const struct sk_buff *skb, int k, { if (k >= 0) return skb_header_pointer(skb, k, size, buffer); - else { - if (k >= SKF_AD_OFF) - return NULL; - return __load_pointer(skb, k, size); - } + return __load_pointer(skb, k, size); } /** @@ -151,7 +158,7 @@ EXPORT_SYMBOL(sk_filter); /** * sk_run_filter - run a filter on a socket * @skb: buffer to run the filter on - * @filter: filter to apply + * @fentry: filter to apply * * Decode and apply filter instructions to the skb->data. * Return length to keep, 0 for none. @skb is the data we are @@ -269,7 +276,7 @@ load_w: A = get_unaligned_be32(ptr); continue; } - break; + return 0; case BPF_S_LD_H_ABS: k = K; load_h: @@ -278,7 +285,7 @@ load_h: A = get_unaligned_be16(ptr); continue; } - break; + return 0; case BPF_S_LD_B_ABS: k = K; load_b: @@ -287,7 +294,7 @@ load_b: A = *(u8 *)ptr; continue; } - break; + return 0; case BPF_S_LD_W_LEN: A = skb->len; continue; @@ -338,45 +345,35 @@ load_b: case BPF_S_STX: mem[K] = X; continue; - default: - WARN_ON(1); - return 0; - } - - /* - * Handle ancillary data, which are impossible - * (or very difficult) to get parsing packet contents. - */ - switch (k-SKF_AD_OFF) { - case SKF_AD_PROTOCOL: + case BPF_S_ANC_PROTOCOL: A = ntohs(skb->protocol); continue; - case SKF_AD_PKTTYPE: + case BPF_S_ANC_PKTTYPE: A = skb->pkt_type; continue; - case SKF_AD_IFINDEX: + case BPF_S_ANC_IFINDEX: if (!skb->dev) return 0; A = skb->dev->ifindex; continue; - case SKF_AD_MARK: + case BPF_S_ANC_MARK: A = skb->mark; continue; - case SKF_AD_QUEUE: + case BPF_S_ANC_QUEUE: A = skb->queue_mapping; continue; - case SKF_AD_HATYPE: + case BPF_S_ANC_HATYPE: if (!skb->dev) return 0; A = skb->dev->type; continue; - case SKF_AD_RXHASH: + case BPF_S_ANC_RXHASH: A = skb->rxhash; continue; - case SKF_AD_CPU: + case BPF_S_ANC_CPU: A = raw_smp_processor_id(); continue; - case SKF_AD_NLATTR: { + case BPF_S_ANC_NLATTR: { struct nlattr *nla; if (skb_is_nonlinear(skb)) @@ -392,7 +389,7 @@ load_b: A = 0; continue; } - case SKF_AD_NLATTR_NEST: { + case BPF_S_ANC_NLATTR_NEST: { struct nlattr *nla; if (skb_is_nonlinear(skb)) @@ -412,6 +409,7 @@ load_b: continue; } default: + WARN_ON(1); return 0; } } @@ -600,6 +598,24 @@ int sk_chk_filter(struct sock_filter *filter, int flen) pc + ftest->jf + 1 >= flen) return -EINVAL; break; + case BPF_S_LD_W_ABS: + case BPF_S_LD_H_ABS: + case BPF_S_LD_B_ABS: +#define ANCILLARY(CODE) case SKF_AD_OFF + SKF_AD_##CODE: \ + code = BPF_S_ANC_##CODE; \ + break + switch (ftest->k) { + ANCILLARY(PROTOCOL); + ANCILLARY(PKTTYPE); + ANCILLARY(IFINDEX); + ANCILLARY(NLATTR); + ANCILLARY(NLATTR_NEST); + ANCILLARY(MARK); + ANCILLARY(QUEUE); + ANCILLARY(HATYPE); + ANCILLARY(RXHASH); + ANCILLARY(CPU); + } } ftest->code = code; } diff --git a/net/core/netpoll.c b/net/core/netpoll.c index 72d9b50109fc..02dc2cbcbe86 100644 --- a/net/core/netpoll.c +++ b/net/core/netpoll.c @@ -923,7 +923,7 @@ void __netpoll_cleanup(struct netpoll *np) skb_queue_purge(&npinfo->arp_tx); skb_queue_purge(&npinfo->txq); - cancel_rearming_delayed_work(&npinfo->tx_work); + cancel_delayed_work_sync(&npinfo->tx_work); /* clean after last, unfinished work */ __skb_queue_purge(&npinfo->txq); diff --git a/net/core/rtnetlink.c b/net/core/rtnetlink.c index 750db57f3bb3..2d65c6bb24c1 100644 --- a/net/core/rtnetlink.c +++ b/net/core/rtnetlink.c @@ -1121,8 +1121,7 @@ static int validate_linkmsg(struct net_device *dev, struct nlattr *tb[]) return -EOPNOTSUPP; if (af_ops->validate_link_af) { - err = af_ops->validate_link_af(dev, - tb[IFLA_AF_SPEC]); + err = af_ops->validate_link_af(dev, af); if (err < 0) return err; } @@ -1672,6 +1671,9 @@ replay: snprintf(ifname, IFNAMSIZ, "%s%%d", ops->kind); dest_net = rtnl_link_get_net(net, tb); + if (IS_ERR(dest_net)) + return PTR_ERR(dest_net); + dev = rtnl_create_link(net, dest_net, ifname, ops, tb); if (IS_ERR(dev)) diff --git a/net/core/skbuff.c b/net/core/skbuff.c index 19d6c21220fd..d883dcc78b6b 100644 --- a/net/core/skbuff.c +++ b/net/core/skbuff.c @@ -210,6 +210,7 @@ struct sk_buff *__alloc_skb(unsigned int size, gfp_t gfp_mask, shinfo = skb_shinfo(skb); memset(shinfo, 0, offsetof(struct skb_shared_info, dataref)); atomic_set(&shinfo->dataref, 1); + kmemcheck_annotate_variable(shinfo->destructor_arg); if (fclone) { struct sk_buff *child = skb + 1; @@ -380,6 +381,8 @@ static void skb_release_head_state(struct sk_buff *skb) } #if defined(CONFIG_NF_CONNTRACK) || defined(CONFIG_NF_CONNTRACK_MODULE) nf_conntrack_put(skb->nfct); +#endif +#ifdef NET_SKBUFF_NF_DEFRAG_NEEDED nf_conntrack_put_reasm(skb->nfct_reasm); #endif #ifdef CONFIG_BRIDGE_NETFILTER @@ -2742,8 +2745,12 @@ int skb_gro_receive(struct sk_buff **head, struct sk_buff *skb) merge: if (offset > headlen) { - skbinfo->frags[0].page_offset += offset - headlen; - skbinfo->frags[0].size -= offset - headlen; + unsigned int eat = offset - headlen; + + skbinfo->frags[0].page_offset += eat; + skbinfo->frags[0].size -= eat; + skb->data_len -= eat; + skb->len -= eat; offset = headlen; } diff --git a/net/core/sock.c b/net/core/sock.c index a6b9e8061f34..7dfed792434d 100644 --- a/net/core/sock.c +++ b/net/core/sock.c @@ -157,7 +157,7 @@ static const char *const af_family_key_strings[AF_MAX+1] = { "sk_lock-27" , "sk_lock-28" , "sk_lock-AF_CAN" , "sk_lock-AF_TIPC" , "sk_lock-AF_BLUETOOTH", "sk_lock-IUCV" , "sk_lock-AF_RXRPC" , "sk_lock-AF_ISDN" , "sk_lock-AF_PHONET" , - "sk_lock-AF_IEEE802154", "sk_lock-AF_CAIF" , + "sk_lock-AF_IEEE802154", "sk_lock-AF_CAIF" , "sk_lock-AF_ALG" , "sk_lock-AF_MAX" }; static const char *const af_family_slock_key_strings[AF_MAX+1] = { @@ -173,7 +173,7 @@ static const char *const af_family_slock_key_strings[AF_MAX+1] = { "slock-27" , "slock-28" , "slock-AF_CAN" , "slock-AF_TIPC" , "slock-AF_BLUETOOTH", "slock-AF_IUCV" , "slock-AF_RXRPC" , "slock-AF_ISDN" , "slock-AF_PHONET" , - "slock-AF_IEEE802154", "slock-AF_CAIF" , + "slock-AF_IEEE802154", "slock-AF_CAIF" , "slock-AF_ALG" , "slock-AF_MAX" }; static const char *const af_family_clock_key_strings[AF_MAX+1] = { @@ -189,7 +189,7 @@ static const char *const af_family_clock_key_strings[AF_MAX+1] = { "clock-27" , "clock-28" , "clock-AF_CAN" , "clock-AF_TIPC" , "clock-AF_BLUETOOTH", "clock-AF_IUCV" , "clock-AF_RXRPC" , "clock-AF_ISDN" , "clock-AF_PHONET" , - "clock-AF_IEEE802154", "clock-AF_CAIF" , + "clock-AF_IEEE802154", "clock-AF_CAIF" , "clock-AF_ALG" , "clock-AF_MAX" }; @@ -1908,7 +1908,7 @@ static void sock_def_readable(struct sock *sk, int len) rcu_read_lock(); wq = rcu_dereference(sk->sk_wq); if (wq_has_sleeper(wq)) - wake_up_interruptible_sync_poll(&wq->wait, POLLIN | + wake_up_interruptible_sync_poll(&wq->wait, POLLIN | POLLPRI | POLLRDNORM | POLLRDBAND); sk_wake_async(sk, SOCK_WAKE_WAITD, POLL_IN); rcu_read_unlock(); diff --git a/net/dcb/Makefile b/net/dcb/Makefile index 9930f4cde818..c1282c9e64fa 100644 --- a/net/dcb/Makefile +++ b/net/dcb/Makefile @@ -1 +1 @@ -obj-$(CONFIG_DCB) += dcbnl.o +obj-$(CONFIG_DCB) += dcbnl.o dcbevent.o diff --git a/net/dcb/dcbevent.c b/net/dcb/dcbevent.c new file mode 100644 index 000000000000..665a8802105a --- /dev/null +++ b/net/dcb/dcbevent.c @@ -0,0 +1,40 @@ +/* + * Copyright (c) 2010, Intel Corporation. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms and conditions of the GNU General Public License, + * version 2, as published by the Free Software Foundation. + * + * This program is distributed in the hope it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for + * more details. + * + * You should have received a copy of the GNU General Public License along with + * this program; if not, write to the Free Software Foundation, Inc., 59 Temple + * Place - Suite 330, Boston, MA 02111-1307 USA. + * + * Author: John Fastabend <john.r.fastabend@intel.com> + */ + +#include <linux/rtnetlink.h> +#include <linux/notifier.h> + +static ATOMIC_NOTIFIER_HEAD(dcbevent_notif_chain); + +int register_dcbevent_notifier(struct notifier_block *nb) +{ + return atomic_notifier_chain_register(&dcbevent_notif_chain, nb); +} +EXPORT_SYMBOL(register_dcbevent_notifier); + +int unregister_dcbevent_notifier(struct notifier_block *nb) +{ + return atomic_notifier_chain_unregister(&dcbevent_notif_chain, nb); +} +EXPORT_SYMBOL(unregister_dcbevent_notifier); + +int call_dcbevent_notifiers(unsigned long val, void *v) +{ + return atomic_notifier_call_chain(&dcbevent_notif_chain, val, v); +} diff --git a/net/dcb/dcbnl.c b/net/dcb/dcbnl.c index 19ac2b985485..6b03f561caec 100644 --- a/net/dcb/dcbnl.c +++ b/net/dcb/dcbnl.c @@ -23,6 +23,7 @@ #include <net/netlink.h> #include <net/rtnetlink.h> #include <linux/dcbnl.h> +#include <net/dcbevent.h> #include <linux/rtnetlink.h> #include <net/sock.h> @@ -66,6 +67,9 @@ static const struct nla_policy dcbnl_rtnl_policy[DCB_ATTR_MAX + 1] = { [DCB_ATTR_PFC_STATE] = {.type = NLA_U8}, [DCB_ATTR_BCN] = {.type = NLA_NESTED}, [DCB_ATTR_APP] = {.type = NLA_NESTED}, + [DCB_ATTR_IEEE] = {.type = NLA_NESTED}, + [DCB_ATTR_DCBX] = {.type = NLA_U8}, + [DCB_ATTR_FEATCFG] = {.type = NLA_NESTED}, }; /* DCB priority flow control to User Priority nested attributes */ @@ -122,6 +126,7 @@ static const struct nla_policy dcbnl_cap_nest[DCB_CAP_ATTR_MAX + 1] = { [DCB_CAP_ATTR_PFC_TCS] = {.type = NLA_U8}, [DCB_CAP_ATTR_GSP] = {.type = NLA_U8}, [DCB_CAP_ATTR_BCN] = {.type = NLA_U8}, + [DCB_CAP_ATTR_DCBX] = {.type = NLA_U8}, }; /* DCB capabilities nested attributes. */ @@ -167,6 +172,28 @@ static const struct nla_policy dcbnl_app_nest[DCB_APP_ATTR_MAX + 1] = { [DCB_APP_ATTR_PRIORITY] = {.type = NLA_U8}, }; +/* IEEE 802.1Qaz nested attributes. */ +static const struct nla_policy dcbnl_ieee_policy[DCB_ATTR_IEEE_MAX + 1] = { + [DCB_ATTR_IEEE_ETS] = {.len = sizeof(struct ieee_ets)}, + [DCB_ATTR_IEEE_PFC] = {.len = sizeof(struct ieee_pfc)}, + [DCB_ATTR_IEEE_APP_TABLE] = {.type = NLA_NESTED}, +}; + +static const struct nla_policy dcbnl_ieee_app[DCB_ATTR_IEEE_APP_MAX + 1] = { + [DCB_ATTR_IEEE_APP] = {.len = sizeof(struct dcb_app)}, +}; + +/* DCB number of traffic classes nested attributes. */ +static const struct nla_policy dcbnl_featcfg_nest[DCB_FEATCFG_ATTR_MAX + 1] = { + [DCB_FEATCFG_ATTR_ALL] = {.type = NLA_FLAG}, + [DCB_FEATCFG_ATTR_PG] = {.type = NLA_U8}, + [DCB_FEATCFG_ATTR_PFC] = {.type = NLA_U8}, + [DCB_FEATCFG_ATTR_APP] = {.type = NLA_U8}, +}; + +static LIST_HEAD(dcb_app_list); +static DEFINE_SPINLOCK(dcb_lock); + /* standard netlink reply call */ static int dcbnl_reply(u8 value, u8 event, u8 cmd, u8 attr, u32 pid, u32 seq, u16 flags) @@ -556,7 +583,7 @@ static int dcbnl_getapp(struct net_device *netdev, struct nlattr **tb, u8 up, idtype; int ret = -EINVAL; - if (!tb[DCB_ATTR_APP] || !netdev->dcbnl_ops->getapp) + if (!tb[DCB_ATTR_APP]) goto out; ret = nla_parse_nested(app_tb, DCB_APP_ATTR_MAX, tb[DCB_ATTR_APP], @@ -577,7 +604,16 @@ static int dcbnl_getapp(struct net_device *netdev, struct nlattr **tb, goto out; id = nla_get_u16(app_tb[DCB_APP_ATTR_ID]); - up = netdev->dcbnl_ops->getapp(netdev, idtype, id); + + if (netdev->dcbnl_ops->getapp) { + up = netdev->dcbnl_ops->getapp(netdev, idtype, id); + } else { + struct dcb_app app = { + .selector = idtype, + .protocol = id, + }; + up = dcb_getapp(netdev, &app); + } /* send this back */ dcbnl_skb = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); @@ -622,12 +658,12 @@ out: static int dcbnl_setapp(struct net_device *netdev, struct nlattr **tb, u32 pid, u32 seq, u16 flags) { - int ret = -EINVAL; + int err, ret = -EINVAL; u16 id; u8 up, idtype; struct nlattr *app_tb[DCB_APP_ATTR_MAX + 1]; - if (!tb[DCB_ATTR_APP] || !netdev->dcbnl_ops->setapp) + if (!tb[DCB_ATTR_APP]) goto out; ret = nla_parse_nested(app_tb, DCB_APP_ATTR_MAX, tb[DCB_ATTR_APP], @@ -651,9 +687,18 @@ static int dcbnl_setapp(struct net_device *netdev, struct nlattr **tb, id = nla_get_u16(app_tb[DCB_APP_ATTR_ID]); up = nla_get_u8(app_tb[DCB_APP_ATTR_PRIORITY]); - ret = dcbnl_reply(netdev->dcbnl_ops->setapp(netdev, idtype, id, up), - RTM_SETDCB, DCB_CMD_SAPP, DCB_ATTR_APP, - pid, seq, flags); + if (netdev->dcbnl_ops->setapp) { + err = netdev->dcbnl_ops->setapp(netdev, idtype, id, up); + } else { + struct dcb_app app; + app.selector = idtype; + app.protocol = id; + app.priority = up; + err = dcb_setapp(netdev, &app); + } + + ret = dcbnl_reply(err, RTM_SETDCB, DCB_CMD_SAPP, DCB_ATTR_APP, + pid, seq, flags); out: return ret; } @@ -1118,6 +1163,281 @@ err: return ret; } +/* Handle IEEE 802.1Qaz SET commands. If any requested operation can not + * be completed the entire msg is aborted and error value is returned. + * No attempt is made to reconcile the case where only part of the + * cmd can be completed. + */ +static int dcbnl_ieee_set(struct net_device *netdev, struct nlattr **tb, + u32 pid, u32 seq, u16 flags) +{ + const struct dcbnl_rtnl_ops *ops = netdev->dcbnl_ops; + struct nlattr *ieee[DCB_ATTR_IEEE_MAX + 1]; + int err = -EOPNOTSUPP; + + if (!ops) + goto err; + + err = nla_parse_nested(ieee, DCB_ATTR_IEEE_MAX, + tb[DCB_ATTR_IEEE], dcbnl_ieee_policy); + if (err) + goto err; + + if (ieee[DCB_ATTR_IEEE_ETS] && ops->ieee_setets) { + struct ieee_ets *ets = nla_data(ieee[DCB_ATTR_IEEE_ETS]); + err = ops->ieee_setets(netdev, ets); + if (err) + goto err; + } + + if (ieee[DCB_ATTR_IEEE_PFC] && ops->ieee_setets) { + struct ieee_pfc *pfc = nla_data(ieee[DCB_ATTR_IEEE_PFC]); + err = ops->ieee_setpfc(netdev, pfc); + if (err) + goto err; + } + + if (ieee[DCB_ATTR_IEEE_APP_TABLE]) { + struct nlattr *attr; + int rem; + + nla_for_each_nested(attr, ieee[DCB_ATTR_IEEE_APP_TABLE], rem) { + struct dcb_app *app_data; + if (nla_type(attr) != DCB_ATTR_IEEE_APP) + continue; + app_data = nla_data(attr); + if (ops->ieee_setapp) + err = ops->ieee_setapp(netdev, app_data); + else + err = dcb_setapp(netdev, app_data); + if (err) + goto err; + } + } + +err: + dcbnl_reply(err, RTM_SETDCB, DCB_CMD_IEEE_SET, DCB_ATTR_IEEE, + pid, seq, flags); + return err; +} + + +/* Handle IEEE 802.1Qaz GET commands. */ +static int dcbnl_ieee_get(struct net_device *netdev, struct nlattr **tb, + u32 pid, u32 seq, u16 flags) +{ + struct sk_buff *skb; + struct nlmsghdr *nlh; + struct dcbmsg *dcb; + struct nlattr *ieee, *app; + struct dcb_app_type *itr; + const struct dcbnl_rtnl_ops *ops = netdev->dcbnl_ops; + int err; + + if (!ops) + return -EOPNOTSUPP; + + skb = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); + if (!skb) + return -ENOBUFS; + + nlh = NLMSG_NEW(skb, pid, seq, RTM_GETDCB, sizeof(*dcb), flags); + + dcb = NLMSG_DATA(nlh); + dcb->dcb_family = AF_UNSPEC; + dcb->cmd = DCB_CMD_IEEE_GET; + + NLA_PUT_STRING(skb, DCB_ATTR_IFNAME, netdev->name); + + ieee = nla_nest_start(skb, DCB_ATTR_IEEE); + if (!ieee) + goto nla_put_failure; + + if (ops->ieee_getets) { + struct ieee_ets ets; + err = ops->ieee_getets(netdev, &ets); + if (!err) + NLA_PUT(skb, DCB_ATTR_IEEE_ETS, sizeof(ets), &ets); + } + + if (ops->ieee_getpfc) { + struct ieee_pfc pfc; + err = ops->ieee_getpfc(netdev, &pfc); + if (!err) + NLA_PUT(skb, DCB_ATTR_IEEE_PFC, sizeof(pfc), &pfc); + } + + app = nla_nest_start(skb, DCB_ATTR_IEEE_APP_TABLE); + if (!app) + goto nla_put_failure; + + spin_lock(&dcb_lock); + list_for_each_entry(itr, &dcb_app_list, list) { + if (strncmp(itr->name, netdev->name, IFNAMSIZ) == 0) { + err = nla_put(skb, DCB_ATTR_IEEE_APP, sizeof(itr->app), + &itr->app); + if (err) { + spin_unlock(&dcb_lock); + goto nla_put_failure; + } + } + } + spin_unlock(&dcb_lock); + nla_nest_end(skb, app); + + nla_nest_end(skb, ieee); + nlmsg_end(skb, nlh); + + return rtnl_unicast(skb, &init_net, pid); +nla_put_failure: + nlmsg_cancel(skb, nlh); +nlmsg_failure: + kfree_skb(skb); + return -1; +} + +/* DCBX configuration */ +static int dcbnl_getdcbx(struct net_device *netdev, struct nlattr **tb, + u32 pid, u32 seq, u16 flags) +{ + int ret; + + if (!netdev->dcbnl_ops->getdcbx) + return -EOPNOTSUPP; + + ret = dcbnl_reply(netdev->dcbnl_ops->getdcbx(netdev), RTM_GETDCB, + DCB_CMD_GDCBX, DCB_ATTR_DCBX, pid, seq, flags); + + return ret; +} + +static int dcbnl_setdcbx(struct net_device *netdev, struct nlattr **tb, + u32 pid, u32 seq, u16 flags) +{ + int ret; + u8 value; + + if (!netdev->dcbnl_ops->setdcbx) + return -EOPNOTSUPP; + + if (!tb[DCB_ATTR_DCBX]) + return -EINVAL; + + value = nla_get_u8(tb[DCB_ATTR_DCBX]); + + ret = dcbnl_reply(netdev->dcbnl_ops->setdcbx(netdev, value), + RTM_SETDCB, DCB_CMD_SDCBX, DCB_ATTR_DCBX, + pid, seq, flags); + + return ret; +} + +static int dcbnl_getfeatcfg(struct net_device *netdev, struct nlattr **tb, + u32 pid, u32 seq, u16 flags) +{ + struct sk_buff *dcbnl_skb; + struct nlmsghdr *nlh; + struct dcbmsg *dcb; + struct nlattr *data[DCB_FEATCFG_ATTR_MAX + 1], *nest; + u8 value; + int ret, i; + int getall = 0; + + if (!netdev->dcbnl_ops->getfeatcfg) + return -EOPNOTSUPP; + + if (!tb[DCB_ATTR_FEATCFG]) + return -EINVAL; + + ret = nla_parse_nested(data, DCB_FEATCFG_ATTR_MAX, tb[DCB_ATTR_FEATCFG], + dcbnl_featcfg_nest); + if (ret) + goto err_out; + + dcbnl_skb = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); + if (!dcbnl_skb) { + ret = -ENOBUFS; + goto err_out; + } + + nlh = NLMSG_NEW(dcbnl_skb, pid, seq, RTM_GETDCB, sizeof(*dcb), flags); + + dcb = NLMSG_DATA(nlh); + dcb->dcb_family = AF_UNSPEC; + dcb->cmd = DCB_CMD_GFEATCFG; + + nest = nla_nest_start(dcbnl_skb, DCB_ATTR_FEATCFG); + if (!nest) { + ret = -EMSGSIZE; + goto nla_put_failure; + } + + if (data[DCB_FEATCFG_ATTR_ALL]) + getall = 1; + + for (i = DCB_FEATCFG_ATTR_ALL+1; i <= DCB_FEATCFG_ATTR_MAX; i++) { + if (!getall && !data[i]) + continue; + + ret = netdev->dcbnl_ops->getfeatcfg(netdev, i, &value); + if (!ret) + ret = nla_put_u8(dcbnl_skb, i, value); + + if (ret) { + nla_nest_cancel(dcbnl_skb, nest); + goto nla_put_failure; + } + } + nla_nest_end(dcbnl_skb, nest); + + nlmsg_end(dcbnl_skb, nlh); + + return rtnl_unicast(dcbnl_skb, &init_net, pid); +nla_put_failure: + nlmsg_cancel(dcbnl_skb, nlh); +nlmsg_failure: + kfree_skb(dcbnl_skb); +err_out: + return ret; +} + +static int dcbnl_setfeatcfg(struct net_device *netdev, struct nlattr **tb, + u32 pid, u32 seq, u16 flags) +{ + struct nlattr *data[DCB_FEATCFG_ATTR_MAX + 1]; + int ret, i; + u8 value; + + if (!netdev->dcbnl_ops->setfeatcfg) + return -ENOTSUPP; + + if (!tb[DCB_ATTR_FEATCFG]) + return -EINVAL; + + ret = nla_parse_nested(data, DCB_FEATCFG_ATTR_MAX, tb[DCB_ATTR_FEATCFG], + dcbnl_featcfg_nest); + + if (ret) + goto err; + + for (i = DCB_FEATCFG_ATTR_ALL+1; i <= DCB_FEATCFG_ATTR_MAX; i++) { + if (data[i] == NULL) + continue; + + value = nla_get_u8(data[i]); + + ret = netdev->dcbnl_ops->setfeatcfg(netdev, i, value); + + if (ret) + goto err; + } +err: + dcbnl_reply(ret, RTM_SETDCB, DCB_CMD_SFEATCFG, DCB_ATTR_FEATCFG, + pid, seq, flags); + + return ret; +} + static int dcb_doit(struct sk_buff *skb, struct nlmsghdr *nlh, void *arg) { struct net *net = sock_net(skb->sk); @@ -1223,6 +1543,30 @@ static int dcb_doit(struct sk_buff *skb, struct nlmsghdr *nlh, void *arg) ret = dcbnl_setapp(netdev, tb, pid, nlh->nlmsg_seq, nlh->nlmsg_flags); goto out; + case DCB_CMD_IEEE_SET: + ret = dcbnl_ieee_set(netdev, tb, pid, nlh->nlmsg_seq, + nlh->nlmsg_flags); + goto out; + case DCB_CMD_IEEE_GET: + ret = dcbnl_ieee_get(netdev, tb, pid, nlh->nlmsg_seq, + nlh->nlmsg_flags); + goto out; + case DCB_CMD_GDCBX: + ret = dcbnl_getdcbx(netdev, tb, pid, nlh->nlmsg_seq, + nlh->nlmsg_flags); + goto out; + case DCB_CMD_SDCBX: + ret = dcbnl_setdcbx(netdev, tb, pid, nlh->nlmsg_seq, + nlh->nlmsg_flags); + goto out; + case DCB_CMD_GFEATCFG: + ret = dcbnl_getfeatcfg(netdev, tb, pid, nlh->nlmsg_seq, + nlh->nlmsg_flags); + goto out; + case DCB_CMD_SFEATCFG: + ret = dcbnl_setfeatcfg(netdev, tb, pid, nlh->nlmsg_seq, + nlh->nlmsg_flags); + goto out; default: goto errout; } @@ -1233,8 +1577,95 @@ out: return ret; } +/** + * dcb_getapp - retrieve the DCBX application user priority + * + * On success returns a non-zero 802.1p user priority bitmap + * otherwise returns 0 as the invalid user priority bitmap to + * indicate an error. + */ +u8 dcb_getapp(struct net_device *dev, struct dcb_app *app) +{ + struct dcb_app_type *itr; + u8 prio = 0; + + spin_lock(&dcb_lock); + list_for_each_entry(itr, &dcb_app_list, list) { + if (itr->app.selector == app->selector && + itr->app.protocol == app->protocol && + (strncmp(itr->name, dev->name, IFNAMSIZ) == 0)) { + prio = itr->app.priority; + break; + } + } + spin_unlock(&dcb_lock); + + return prio; +} +EXPORT_SYMBOL(dcb_getapp); + +/** + * ixgbe_dcbnl_setapp - add dcb application data to app list + * + * Priority 0 is the default priority this removes applications + * from the app list if the priority is set to zero. + */ +u8 dcb_setapp(struct net_device *dev, struct dcb_app *new) +{ + struct dcb_app_type *itr; + + spin_lock(&dcb_lock); + /* Search for existing match and replace */ + list_for_each_entry(itr, &dcb_app_list, list) { + if (itr->app.selector == new->selector && + itr->app.protocol == new->protocol && + (strncmp(itr->name, dev->name, IFNAMSIZ) == 0)) { + if (new->priority) + itr->app.priority = new->priority; + else { + list_del(&itr->list); + kfree(itr); + } + goto out; + } + } + /* App type does not exist add new application type */ + if (new->priority) { + struct dcb_app_type *entry; + entry = kmalloc(sizeof(struct dcb_app_type), GFP_ATOMIC); + if (!entry) { + spin_unlock(&dcb_lock); + return -ENOMEM; + } + + memcpy(&entry->app, new, sizeof(*new)); + strncpy(entry->name, dev->name, IFNAMSIZ); + list_add(&entry->list, &dcb_app_list); + } +out: + spin_unlock(&dcb_lock); + call_dcbevent_notifiers(DCB_APP_EVENT, new); + return 0; +} +EXPORT_SYMBOL(dcb_setapp); + +static void dcb_flushapp(void) +{ + struct dcb_app_type *app; + struct dcb_app_type *tmp; + + spin_lock(&dcb_lock); + list_for_each_entry_safe(app, tmp, &dcb_app_list, list) { + list_del(&app->list); + kfree(app); + } + spin_unlock(&dcb_lock); +} + static int __init dcbnl_init(void) { + INIT_LIST_HEAD(&dcb_app_list); + rtnl_register(PF_UNSPEC, RTM_GETDCB, dcb_doit, NULL); rtnl_register(PF_UNSPEC, RTM_SETDCB, dcb_doit, NULL); @@ -1246,7 +1677,6 @@ static void __exit dcbnl_exit(void) { rtnl_unregister(PF_UNSPEC, RTM_GETDCB); rtnl_unregister(PF_UNSPEC, RTM_SETDCB); + dcb_flushapp(); } module_exit(dcbnl_exit); - - diff --git a/net/dccp/Kconfig b/net/dccp/Kconfig index ad6dffd9070e..b75968a04017 100644 --- a/net/dccp/Kconfig +++ b/net/dccp/Kconfig @@ -49,7 +49,9 @@ config NET_DCCPPROBE what was just said, you don't need it: say N. Documentation on how to use DCCP connection probing can be found - at http://linux-net.osdl.org/index.php/DccpProbe + at: + + http://www.linuxfoundation.org/collaborate/workgroups/networking/dccpprobe To compile this code as a module, choose M here: the module will be called dccp_probe. diff --git a/net/dccp/dccp.h b/net/dccp/dccp.h index 45087052d894..5fdb07229017 100644 --- a/net/dccp/dccp.h +++ b/net/dccp/dccp.h @@ -426,7 +426,8 @@ static inline void dccp_update_gsr(struct sock *sk, u64 seq) { struct dccp_sock *dp = dccp_sk(sk); - dp->dccps_gsr = seq; + if (after48(seq, dp->dccps_gsr)) + dp->dccps_gsr = seq; /* Sequence validity window depends on remote Sequence Window (7.5.1) */ dp->dccps_swl = SUB48(ADD48(dp->dccps_gsr, 1), dp->dccps_r_seq_win / 4); /* diff --git a/net/dccp/input.c b/net/dccp/input.c index 15af247ea007..8cde009e8b85 100644 --- a/net/dccp/input.c +++ b/net/dccp/input.c @@ -260,7 +260,7 @@ static int dccp_check_seqno(struct sock *sk, struct sk_buff *skb) */ if (time_before(now, (dp->dccps_rate_last + sysctl_dccp_sync_ratelimit))) - return 0; + return -1; DCCP_WARN("Step 6 failed for %s packet, " "(LSWL(%llu) <= P.seqno(%llu) <= S.SWH(%llu)) and " diff --git a/net/dccp/sysctl.c b/net/dccp/sysctl.c index 563943822e58..42348824ee31 100644 --- a/net/dccp/sysctl.c +++ b/net/dccp/sysctl.c @@ -21,7 +21,8 @@ /* Boundary values */ static int zero = 0, u8_max = 0xFF; -static unsigned long seqw_min = 32; +static unsigned long seqw_min = DCCPF_SEQ_WMIN, + seqw_max = 0xFFFFFFFF; /* maximum on 32 bit */ static struct ctl_table dccp_default_table[] = { { @@ -31,6 +32,7 @@ static struct ctl_table dccp_default_table[] = { .mode = 0644, .proc_handler = proc_doulongvec_minmax, .extra1 = &seqw_min, /* RFC 4340, 7.5.2 */ + .extra2 = &seqw_max, }, { .procname = "rx_ccid", diff --git a/net/decnet/dn_dev.c b/net/decnet/dn_dev.c index 0ba15633c418..0dcaa903e00e 100644 --- a/net/decnet/dn_dev.c +++ b/net/decnet/dn_dev.c @@ -1130,7 +1130,7 @@ static struct dn_dev *dn_dev_create(struct net_device *dev, int *err) /* * This processes a device up event. We only start up * the loopback device & ethernet devices with correct - * MAC addreses automatically. Others must be started + * MAC addresses automatically. Others must be started * specifically. * * FIXME: How should we configure the loopback address ? If we could dispense diff --git a/net/dsa/dsa.c b/net/dsa/dsa.c index 6112a12578b2..3fb14b7c13cf 100644 --- a/net/dsa/dsa.c +++ b/net/dsa/dsa.c @@ -390,7 +390,7 @@ static int dsa_remove(struct platform_device *pdev) if (dst->link_poll_needed) del_timer_sync(&dst->link_poll_timer); - flush_scheduled_work(); + flush_work_sync(&dst->link_poll_work); for (i = 0; i < dst->pd->nr_chips; i++) { struct dsa_switch *ds = dst->ds[i]; @@ -428,7 +428,7 @@ static void __exit dsa_cleanup_module(void) } module_exit(dsa_cleanup_module); -MODULE_AUTHOR("Lennert Buytenhek <buytenh@wantstofly.org>") +MODULE_AUTHOR("Lennert Buytenhek <buytenh@wantstofly.org>"); MODULE_DESCRIPTION("Driver for Distributed Switch Architecture switch chips"); MODULE_LICENSE("GPL"); MODULE_ALIAS("platform:dsa"); diff --git a/net/econet/af_econet.c b/net/econet/af_econet.c index 15dcc1a586b4..0c2826337919 100644 --- a/net/econet/af_econet.c +++ b/net/econet/af_econet.c @@ -265,13 +265,13 @@ static void ec_tx_done(struct sk_buff *skb, int result) static int econet_sendmsg(struct kiocb *iocb, struct socket *sock, struct msghdr *msg, size_t len) { - struct sock *sk = sock->sk; struct sockaddr_ec *saddr=(struct sockaddr_ec *)msg->msg_name; struct net_device *dev; struct ec_addr addr; int err; unsigned char port, cb; #if defined(CONFIG_ECONET_AUNUDP) || defined(CONFIG_ECONET_NATIVE) + struct sock *sk = sock->sk; struct sk_buff *skb; struct ec_cb *eb; #endif @@ -488,10 +488,10 @@ static int econet_sendmsg(struct kiocb *iocb, struct socket *sock, error_free_buf: vfree(userbuf); +error: #else err = -EPROTOTYPE; #endif - error: mutex_unlock(&econet_mutex); return err; diff --git a/net/ethernet/eth.c b/net/ethernet/eth.c index f00ef2f1d814..44d2b42fda56 100644 --- a/net/ethernet/eth.c +++ b/net/ethernet/eth.c @@ -347,10 +347,11 @@ void ether_setup(struct net_device *dev) EXPORT_SYMBOL(ether_setup); /** - * alloc_etherdev_mq - Allocates and sets up an Ethernet device + * alloc_etherdev_mqs - Allocates and sets up an Ethernet device * @sizeof_priv: Size of additional driver-private structure to be allocated * for this Ethernet device - * @queue_count: The number of queues this device has. + * @txqs: The number of TX queues this device has. + * @rxqs: The number of RX queues this device has. * * Fill in the fields of the device structure with Ethernet-generic * values. Basically does everything except registering the device. @@ -360,11 +361,12 @@ EXPORT_SYMBOL(ether_setup); * this private data area. */ -struct net_device *alloc_etherdev_mq(int sizeof_priv, unsigned int queue_count) +struct net_device *alloc_etherdev_mqs(int sizeof_priv, unsigned int txqs, + unsigned int rxqs) { - return alloc_netdev_mq(sizeof_priv, "eth%d", ether_setup, queue_count); + return alloc_netdev_mqs(sizeof_priv, "eth%d", ether_setup, txqs, rxqs); } -EXPORT_SYMBOL(alloc_etherdev_mq); +EXPORT_SYMBOL(alloc_etherdev_mqs); static size_t _format_mac_addr(char *buf, int buflen, const unsigned char *addr, int len) diff --git a/net/ipv4/Kconfig b/net/ipv4/Kconfig index 9e95d7fb6d5a..a5a1050595d1 100644 --- a/net/ipv4/Kconfig +++ b/net/ipv4/Kconfig @@ -432,7 +432,9 @@ config INET_DIAG ---help--- Support for INET (TCP, DCCP, etc) socket monitoring interface used by native Linux tools such as ss. ss is included in iproute2, currently - downloadable at <http://linux-net.osdl.org/index.php/Iproute2>. + downloadable at: + + http://www.linuxfoundation.org/collaborate/workgroups/networking/iproute2 If unsure, say Y. diff --git a/net/ipv4/af_inet.c b/net/ipv4/af_inet.c index f2b61107df6c..45b89d7bda5a 100644 --- a/net/ipv4/af_inet.c +++ b/net/ipv4/af_inet.c @@ -880,6 +880,19 @@ int inet_ioctl(struct socket *sock, unsigned int cmd, unsigned long arg) } EXPORT_SYMBOL(inet_ioctl); +#ifdef CONFIG_COMPAT +int inet_compat_ioctl(struct socket *sock, unsigned int cmd, unsigned long arg) +{ + struct sock *sk = sock->sk; + int err = -ENOIOCTLCMD; + + if (sk->sk_prot->compat_ioctl) + err = sk->sk_prot->compat_ioctl(sk, cmd, arg); + + return err; +} +#endif + const struct proto_ops inet_stream_ops = { .family = PF_INET, .owner = THIS_MODULE, @@ -903,6 +916,7 @@ const struct proto_ops inet_stream_ops = { #ifdef CONFIG_COMPAT .compat_setsockopt = compat_sock_common_setsockopt, .compat_getsockopt = compat_sock_common_getsockopt, + .compat_ioctl = inet_compat_ioctl, #endif }; EXPORT_SYMBOL(inet_stream_ops); @@ -929,6 +943,7 @@ const struct proto_ops inet_dgram_ops = { #ifdef CONFIG_COMPAT .compat_setsockopt = compat_sock_common_setsockopt, .compat_getsockopt = compat_sock_common_getsockopt, + .compat_ioctl = inet_compat_ioctl, #endif }; EXPORT_SYMBOL(inet_dgram_ops); @@ -959,6 +974,7 @@ static const struct proto_ops inet_sockraw_ops = { #ifdef CONFIG_COMPAT .compat_setsockopt = compat_sock_common_setsockopt, .compat_getsockopt = compat_sock_common_getsockopt, + .compat_ioctl = inet_compat_ioctl, #endif }; diff --git a/net/ipv4/ah4.c b/net/ipv4/ah4.c index 880a5ec6dce0..86961bec70ab 100644 --- a/net/ipv4/ah4.c +++ b/net/ipv4/ah4.c @@ -314,14 +314,15 @@ static int ah_input(struct xfrm_state *x, struct sk_buff *skb) skb->ip_summed = CHECKSUM_NONE; - ah = (struct ip_auth_hdr *)skb->data; - iph = ip_hdr(skb); - ihl = ip_hdrlen(skb); if ((err = skb_cow_data(skb, 0, &trailer)) < 0) goto out; nfrags = err; + ah = (struct ip_auth_hdr *)skb->data; + iph = ip_hdr(skb); + ihl = ip_hdrlen(skb); + work_iph = ah_alloc_tmp(ahash, nfrags, ihl + ahp->icv_trunc_len); if (!work_iph) goto out; diff --git a/net/ipv4/arp.c b/net/ipv4/arp.c index a2fc7b961dbc..7927589813b5 100644 --- a/net/ipv4/arp.c +++ b/net/ipv4/arp.c @@ -1017,14 +1017,13 @@ static int arp_req_set_proxy(struct net *net, struct net_device *dev, int on) IPV4_DEVCONF_ALL(net, PROXY_ARP) = on; return 0; } - if (__in_dev_get_rcu(dev)) { - IN_DEV_CONF_SET(__in_dev_get_rcu(dev), PROXY_ARP, on); + if (__in_dev_get_rtnl(dev)) { + IN_DEV_CONF_SET(__in_dev_get_rtnl(dev), PROXY_ARP, on); return 0; } return -ENXIO; } -/* must be called with rcu_read_lock() */ static int arp_req_set_public(struct net *net, struct arpreq *r, struct net_device *dev) { @@ -1143,6 +1142,23 @@ static int arp_req_get(struct arpreq *r, struct net_device *dev) return err; } +int arp_invalidate(struct net_device *dev, __be32 ip) +{ + struct neighbour *neigh = neigh_lookup(&arp_tbl, &ip, dev); + int err = -ENXIO; + + if (neigh) { + if (neigh->nud_state & ~NUD_NOARP) + err = neigh_update(neigh, NULL, NUD_FAILED, + NEIGH_UPDATE_F_OVERRIDE| + NEIGH_UPDATE_F_ADMIN); + neigh_release(neigh); + } + + return err; +} +EXPORT_SYMBOL(arp_invalidate); + static int arp_req_delete_public(struct net *net, struct arpreq *r, struct net_device *dev) { @@ -1163,7 +1179,6 @@ static int arp_req_delete(struct net *net, struct arpreq *r, { int err; __be32 ip; - struct neighbour *neigh; if (r->arp_flags & ATF_PUBL) return arp_req_delete_public(net, r, dev); @@ -1181,16 +1196,7 @@ static int arp_req_delete(struct net *net, struct arpreq *r, if (!dev) return -EINVAL; } - err = -ENXIO; - neigh = neigh_lookup(&arp_tbl, &ip, dev); - if (neigh) { - if (neigh->nud_state & ~NUD_NOARP) - err = neigh_update(neigh, NULL, NUD_FAILED, - NEIGH_UPDATE_F_OVERRIDE| - NEIGH_UPDATE_F_ADMIN); - neigh_release(neigh); - } - return err; + return arp_invalidate(dev, ip); } /* @@ -1226,10 +1232,10 @@ int arp_ioctl(struct net *net, unsigned int cmd, void __user *arg) if (!(r.arp_flags & ATF_NETMASK)) ((struct sockaddr_in *)&r.arp_netmask)->sin_addr.s_addr = htonl(0xFFFFFFFFUL); - rcu_read_lock(); + rtnl_lock(); if (r.arp_dev[0]) { err = -ENODEV; - dev = dev_get_by_name_rcu(net, r.arp_dev); + dev = __dev_get_by_name(net, r.arp_dev); if (dev == NULL) goto out; @@ -1256,7 +1262,7 @@ int arp_ioctl(struct net *net, unsigned int cmd, void __user *arg) break; } out: - rcu_read_unlock(); + rtnl_unlock(); if (cmd == SIOCGARP && !err && copy_to_user(arg, &r, sizeof(r))) err = -EFAULT; return err; diff --git a/net/ipv4/fib_frontend.c b/net/ipv4/fib_frontend.c index d3a1112b9d9c..1d2cdd43a878 100644 --- a/net/ipv4/fib_frontend.c +++ b/net/ipv4/fib_frontend.c @@ -159,13 +159,19 @@ struct net_device *__ip_dev_find(struct net *net, __be32 addr, bool devref) { struct flowi fl = { .fl4_dst = addr, - .flags = FLOWI_FLAG_MATCH_ANY_IIF }; struct fib_result res = { 0 }; struct net_device *dev = NULL; + struct fib_table *local_table; + +#ifdef CONFIG_IP_MULTIPLE_TABLES + res.r = NULL; +#endif rcu_read_lock(); - if (fib_lookup(net, &fl, &res)) { + local_table = fib_get_table(net, RT_TABLE_LOCAL); + if (!local_table || + fib_table_lookup(local_table, &fl, &res, FIB_LOOKUP_NOREF)) { rcu_read_unlock(); return NULL; } @@ -987,7 +993,11 @@ static int fib_netdev_event(struct notifier_block *this, unsigned long event, vo rt_cache_flush(dev_net(dev), 0); break; case NETDEV_UNREGISTER_BATCH: - rt_cache_flush_batch(); + /* The batch unregister is only called on the first + * device in the list of devices being unregistered. + * Therefore we should not pass dev_net(dev) in here. + */ + rt_cache_flush_batch(NULL); break; } return NOTIFY_DONE; diff --git a/net/ipv4/inet_connection_sock.c b/net/ipv4/inet_connection_sock.c index 25e318153f14..97e5fb765265 100644 --- a/net/ipv4/inet_connection_sock.c +++ b/net/ipv4/inet_connection_sock.c @@ -73,7 +73,7 @@ int inet_csk_bind_conflict(const struct sock *sk, !sk2->sk_bound_dev_if || sk->sk_bound_dev_if == sk2->sk_bound_dev_if)) { if (!reuse || !sk2->sk_reuse || - sk2->sk_state == TCP_LISTEN) { + ((1 << sk2->sk_state) & (TCPF_LISTEN | TCPF_CLOSE))) { const __be32 sk2_rcv_saddr = sk_rcv_saddr(sk2); if (!sk2_rcv_saddr || !sk_rcv_saddr(sk) || sk2_rcv_saddr == sk_rcv_saddr(sk)) @@ -122,7 +122,8 @@ again: (tb->num_owners < smallest_size || smallest_size == -1)) { smallest_size = tb->num_owners; smallest_rover = rover; - if (atomic_read(&hashinfo->bsockets) > (high - low) + 1) { + if (atomic_read(&hashinfo->bsockets) > (high - low) + 1 && + !inet_csk(sk)->icsk_af_ops->bind_conflict(sk, tb)) { spin_unlock(&head->lock); snum = smallest_rover; goto have_snum; diff --git a/net/ipv4/inetpeer.c b/net/ipv4/inetpeer.c index d9bc85751c74..a96e65674ac3 100644 --- a/net/ipv4/inetpeer.c +++ b/net/ipv4/inetpeer.c @@ -475,7 +475,7 @@ static int cleanup_once(unsigned long ttl) struct inet_peer *inet_getpeer(struct inetpeer_addr *daddr, int create) { struct inet_peer __rcu **stack[PEER_MAXDEPTH], ***stackptr; - struct inet_peer_base *base = family_to_base(AF_INET); + struct inet_peer_base *base = family_to_base(daddr->family); struct inet_peer *p; /* Look up for the address quickly, lockless. diff --git a/net/ipv4/ip_fragment.c b/net/ipv4/ip_fragment.c index e6215bdd96c0..a1151b8adf3c 100644 --- a/net/ipv4/ip_fragment.c +++ b/net/ipv4/ip_fragment.c @@ -45,6 +45,7 @@ #include <linux/udp.h> #include <linux/inet.h> #include <linux/netfilter_ipv4.h> +#include <net/inet_ecn.h> /* NOTE. Logic of IP defragmentation is parallel to corresponding IPv6 * code now. If you change something here, _PLEASE_ update ipv6/reassembly.c @@ -70,11 +71,28 @@ struct ipq { __be32 daddr; __be16 id; u8 protocol; + u8 ecn; /* RFC3168 support */ int iif; unsigned int rid; struct inet_peer *peer; }; +#define IPFRAG_ECN_CLEAR 0x01 /* one frag had INET_ECN_NOT_ECT */ +#define IPFRAG_ECN_SET_CE 0x04 /* one frag had INET_ECN_CE */ + +static inline u8 ip4_frag_ecn(u8 tos) +{ + tos = (tos & INET_ECN_MASK) + 1; + /* + * After the last operation we have (in binary): + * INET_ECN_NOT_ECT => 001 + * INET_ECN_ECT_1 => 010 + * INET_ECN_ECT_0 => 011 + * INET_ECN_CE => 100 + */ + return (tos & 2) ? 0 : tos; +} + static struct inet_frags ip4_frags; int ip_frag_nqueues(struct net *net) @@ -137,6 +155,7 @@ static void ip4_frag_init(struct inet_frag_queue *q, void *a) qp->protocol = arg->iph->protocol; qp->id = arg->iph->id; + qp->ecn = ip4_frag_ecn(arg->iph->tos); qp->saddr = arg->iph->saddr; qp->daddr = arg->iph->daddr; qp->user = arg->user; @@ -316,6 +335,7 @@ static int ip_frag_reinit(struct ipq *qp) qp->q.fragments = NULL; qp->q.fragments_tail = NULL; qp->iif = 0; + qp->ecn = 0; return 0; } @@ -328,6 +348,7 @@ static int ip_frag_queue(struct ipq *qp, struct sk_buff *skb) int flags, offset; int ihl, end; int err = -ENOENT; + u8 ecn; if (qp->q.last_in & INET_FRAG_COMPLETE) goto err; @@ -339,6 +360,7 @@ static int ip_frag_queue(struct ipq *qp, struct sk_buff *skb) goto err; } + ecn = ip4_frag_ecn(ip_hdr(skb)->tos); offset = ntohs(ip_hdr(skb)->frag_off); flags = offset & ~IP_OFFSET; offset &= IP_OFFSET; @@ -472,6 +494,7 @@ found: } qp->q.stamp = skb->tstamp; qp->q.meat += skb->len; + qp->ecn |= ecn; atomic_add(skb->truesize, &qp->q.net->mem); if (offset == 0) qp->q.last_in |= INET_FRAG_FIRST_IN; @@ -583,6 +606,17 @@ static int ip_frag_reasm(struct ipq *qp, struct sk_buff *prev, iph = ip_hdr(head); iph->frag_off = 0; iph->tot_len = htons(len); + /* RFC3168 5.3 Fragmentation support + * If one fragment had INET_ECN_NOT_ECT, + * reassembled frame also has INET_ECN_NOT_ECT + * Elif one fragment had INET_ECN_CE + * reassembled frame also has INET_ECN_CE + */ + if (qp->ecn & IPFRAG_ECN_CLEAR) + iph->tos &= ~INET_ECN_MASK; + else if (qp->ecn & IPFRAG_ECN_SET_CE) + iph->tos |= INET_ECN_CE; + IP_INC_STATS_BH(net, IPSTATS_MIB_REASMOKS); qp->q.fragments = NULL; qp->q.fragments_tail = NULL; diff --git a/net/ipv4/ipmr.c b/net/ipv4/ipmr.c index 3f3a9afd73e0..7e41ac0b9260 100644 --- a/net/ipv4/ipmr.c +++ b/net/ipv4/ipmr.c @@ -60,6 +60,7 @@ #include <linux/notifier.h> #include <linux/if_arp.h> #include <linux/netfilter_ipv4.h> +#include <linux/compat.h> #include <net/ipip.h> #include <net/checksum.h> #include <net/netlink.h> @@ -1434,6 +1435,51 @@ int ipmr_ioctl(struct sock *sk, int cmd, void __user *arg) } } +#ifdef CONFIG_COMPAT +struct compat_sioc_sg_req { + struct in_addr src; + struct in_addr grp; + compat_ulong_t pktcnt; + compat_ulong_t bytecnt; + compat_ulong_t wrong_if; +}; + +int ipmr_compat_ioctl(struct sock *sk, unsigned int cmd, void __user *arg) +{ + struct sioc_sg_req sr; + struct mfc_cache *c; + struct net *net = sock_net(sk); + struct mr_table *mrt; + + mrt = ipmr_get_table(net, raw_sk(sk)->ipmr_table ? : RT_TABLE_DEFAULT); + if (mrt == NULL) + return -ENOENT; + + switch (cmd) { + case SIOCGETSGCNT: + if (copy_from_user(&sr, arg, sizeof(sr))) + return -EFAULT; + + rcu_read_lock(); + c = ipmr_cache_find(mrt, sr.src.s_addr, sr.grp.s_addr); + if (c) { + sr.pktcnt = c->mfc_un.res.pkt; + sr.bytecnt = c->mfc_un.res.bytes; + sr.wrong_if = c->mfc_un.res.wrong_if; + rcu_read_unlock(); + + if (copy_to_user(arg, &sr, sizeof(sr))) + return -EFAULT; + return 0; + } + rcu_read_unlock(); + return -EADDRNOTAVAIL; + default: + return -ENOIOCTLCMD; + } +} +#endif + static int ipmr_device_event(struct notifier_block *this, unsigned long event, void *ptr) { diff --git a/net/ipv4/netfilter/arp_tables.c b/net/ipv4/netfilter/arp_tables.c index 3fac340a28d5..e855fffaed95 100644 --- a/net/ipv4/netfilter/arp_tables.c +++ b/net/ipv4/netfilter/arp_tables.c @@ -710,42 +710,25 @@ static void get_counters(const struct xt_table_info *t, struct arpt_entry *iter; unsigned int cpu; unsigned int i; - unsigned int curcpu = get_cpu(); - - /* Instead of clearing (by a previous call to memset()) - * the counters and using adds, we set the counters - * with data used by 'current' CPU - * - * Bottom half has to be disabled to prevent deadlock - * if new softirq were to run and call ipt_do_table - */ - local_bh_disable(); - i = 0; - xt_entry_foreach(iter, t->entries[curcpu], t->size) { - SET_COUNTER(counters[i], iter->counters.bcnt, - iter->counters.pcnt); - ++i; - } - local_bh_enable(); - /* Processing counters from other cpus, we can let bottom half enabled, - * (preemption is disabled) - */ for_each_possible_cpu(cpu) { - if (cpu == curcpu) - continue; + seqlock_t *lock = &per_cpu(xt_info_locks, cpu).lock; + i = 0; - local_bh_disable(); - xt_info_wrlock(cpu); xt_entry_foreach(iter, t->entries[cpu], t->size) { - ADD_COUNTER(counters[i], iter->counters.bcnt, - iter->counters.pcnt); + u64 bcnt, pcnt; + unsigned int start; + + do { + start = read_seqbegin(lock); + bcnt = iter->counters.bcnt; + pcnt = iter->counters.pcnt; + } while (read_seqretry(lock, start)); + + ADD_COUNTER(counters[i], bcnt, pcnt); ++i; } - xt_info_wrunlock(cpu); - local_bh_enable(); } - put_cpu(); } static struct xt_counters *alloc_counters(const struct xt_table *table) @@ -759,7 +742,7 @@ static struct xt_counters *alloc_counters(const struct xt_table *table) * about). */ countersize = sizeof(struct xt_counters) * private->number; - counters = vmalloc(countersize); + counters = vzalloc(countersize); if (counters == NULL) return ERR_PTR(-ENOMEM); @@ -1007,7 +990,7 @@ static int __do_replace(struct net *net, const char *name, struct arpt_entry *iter; ret = 0; - counters = vmalloc(num_counters * sizeof(struct xt_counters)); + counters = vzalloc(num_counters * sizeof(struct xt_counters)); if (!counters) { ret = -ENOMEM; goto out; diff --git a/net/ipv4/netfilter/ip_tables.c b/net/ipv4/netfilter/ip_tables.c index a846d633b3b6..652efea013dc 100644 --- a/net/ipv4/netfilter/ip_tables.c +++ b/net/ipv4/netfilter/ip_tables.c @@ -884,42 +884,25 @@ get_counters(const struct xt_table_info *t, struct ipt_entry *iter; unsigned int cpu; unsigned int i; - unsigned int curcpu = get_cpu(); - - /* Instead of clearing (by a previous call to memset()) - * the counters and using adds, we set the counters - * with data used by 'current' CPU. - * - * Bottom half has to be disabled to prevent deadlock - * if new softirq were to run and call ipt_do_table - */ - local_bh_disable(); - i = 0; - xt_entry_foreach(iter, t->entries[curcpu], t->size) { - SET_COUNTER(counters[i], iter->counters.bcnt, - iter->counters.pcnt); - ++i; - } - local_bh_enable(); - /* Processing counters from other cpus, we can let bottom half enabled, - * (preemption is disabled) - */ for_each_possible_cpu(cpu) { - if (cpu == curcpu) - continue; + seqlock_t *lock = &per_cpu(xt_info_locks, cpu).lock; + i = 0; - local_bh_disable(); - xt_info_wrlock(cpu); xt_entry_foreach(iter, t->entries[cpu], t->size) { - ADD_COUNTER(counters[i], iter->counters.bcnt, - iter->counters.pcnt); + u64 bcnt, pcnt; + unsigned int start; + + do { + start = read_seqbegin(lock); + bcnt = iter->counters.bcnt; + pcnt = iter->counters.pcnt; + } while (read_seqretry(lock, start)); + + ADD_COUNTER(counters[i], bcnt, pcnt); ++i; /* macro does multi eval of i */ } - xt_info_wrunlock(cpu); - local_bh_enable(); } - put_cpu(); } static struct xt_counters *alloc_counters(const struct xt_table *table) @@ -932,7 +915,7 @@ static struct xt_counters *alloc_counters(const struct xt_table *table) (other than comefrom, which userspace doesn't care about). */ countersize = sizeof(struct xt_counters) * private->number; - counters = vmalloc(countersize); + counters = vzalloc(countersize); if (counters == NULL) return ERR_PTR(-ENOMEM); @@ -1203,7 +1186,7 @@ __do_replace(struct net *net, const char *name, unsigned int valid_hooks, struct ipt_entry *iter; ret = 0; - counters = vmalloc(num_counters * sizeof(struct xt_counters)); + counters = vzalloc(num_counters * sizeof(struct xt_counters)); if (!counters) { ret = -ENOMEM; goto out; diff --git a/net/ipv4/netfilter/nf_conntrack_l3proto_ipv4_compat.c b/net/ipv4/netfilter/nf_conntrack_l3proto_ipv4_compat.c index 37f8adb68c79..63f60fc5d26a 100644 --- a/net/ipv4/netfilter/nf_conntrack_l3proto_ipv4_compat.c +++ b/net/ipv4/netfilter/nf_conntrack_l3proto_ipv4_compat.c @@ -97,7 +97,7 @@ static int ct_show_secctx(struct seq_file *s, const struct nf_conn *ct) ret = security_secid_to_secctx(ct->secmark, &secctx, &len); if (ret) - return ret; + return 0; ret = seq_printf(s, "secctx=%s ", secctx); diff --git a/net/ipv4/raw.c b/net/ipv4/raw.c index a3d5ab786e81..6390ba299b3d 100644 --- a/net/ipv4/raw.c +++ b/net/ipv4/raw.c @@ -76,6 +76,7 @@ #include <linux/seq_file.h> #include <linux/netfilter.h> #include <linux/netfilter_ipv4.h> +#include <linux/compat.h> static struct raw_hashinfo raw_v4_hashinfo = { .lock = __RW_LOCK_UNLOCKED(raw_v4_hashinfo.lock), @@ -838,6 +839,23 @@ static int raw_ioctl(struct sock *sk, int cmd, unsigned long arg) } } +#ifdef CONFIG_COMPAT +static int compat_raw_ioctl(struct sock *sk, unsigned int cmd, unsigned long arg) +{ + switch (cmd) { + case SIOCOUTQ: + case SIOCINQ: + return -ENOIOCTLCMD; + default: +#ifdef CONFIG_IP_MROUTE + return ipmr_compat_ioctl(sk, cmd, compat_ptr(arg)); +#else + return -ENOIOCTLCMD; +#endif + } +} +#endif + struct proto raw_prot = { .name = "RAW", .owner = THIS_MODULE, @@ -860,6 +878,7 @@ struct proto raw_prot = { #ifdef CONFIG_COMPAT .compat_setsockopt = compat_raw_setsockopt, .compat_getsockopt = compat_raw_getsockopt, + .compat_ioctl = compat_raw_ioctl, #endif }; diff --git a/net/ipv4/route.c b/net/ipv4/route.c index ae520963540f..351dc4e85242 100644 --- a/net/ipv4/route.c +++ b/net/ipv4/route.c @@ -717,13 +717,15 @@ static inline int rt_is_expired(struct rtable *rth) * Can be called by a softirq or a process. * In the later case, we want to be reschedule if necessary */ -static void rt_do_flush(int process_context) +static void rt_do_flush(struct net *net, int process_context) { unsigned int i; struct rtable *rth, *next; - struct rtable * tail; for (i = 0; i <= rt_hash_mask; i++) { + struct rtable __rcu **pprev; + struct rtable *list; + if (process_context && need_resched()) cond_resched(); rth = rcu_dereference_raw(rt_hash_table[i].chain); @@ -731,50 +733,32 @@ static void rt_do_flush(int process_context) continue; spin_lock_bh(rt_hash_lock_addr(i)); -#ifdef CONFIG_NET_NS - { - struct rtable __rcu **prev; - struct rtable *p; - rth = rcu_dereference_protected(rt_hash_table[i].chain, + list = NULL; + pprev = &rt_hash_table[i].chain; + rth = rcu_dereference_protected(*pprev, lockdep_is_held(rt_hash_lock_addr(i))); - /* defer releasing the head of the list after spin_unlock */ - for (tail = rth; tail; - tail = rcu_dereference_protected(tail->dst.rt_next, - lockdep_is_held(rt_hash_lock_addr(i)))) - if (!rt_is_expired(tail)) - break; - if (rth != tail) - rt_hash_table[i].chain = tail; - - /* call rt_free on entries after the tail requiring flush */ - prev = &rt_hash_table[i].chain; - for (p = rcu_dereference_protected(*prev, + while (rth) { + next = rcu_dereference_protected(rth->dst.rt_next, lockdep_is_held(rt_hash_lock_addr(i))); - p != NULL; - p = next) { - next = rcu_dereference_protected(p->dst.rt_next, - lockdep_is_held(rt_hash_lock_addr(i))); - if (!rt_is_expired(p)) { - prev = &p->dst.rt_next; + + if (!net || + net_eq(dev_net(rth->dst.dev), net)) { + rcu_assign_pointer(*pprev, next); + rcu_assign_pointer(rth->dst.rt_next, list); + list = rth; } else { - *prev = next; - rt_free(p); + pprev = &rth->dst.rt_next; } + rth = next; } - } -#else - rth = rcu_dereference_protected(rt_hash_table[i].chain, - lockdep_is_held(rt_hash_lock_addr(i))); - rcu_assign_pointer(rt_hash_table[i].chain, NULL); - tail = NULL; -#endif + spin_unlock_bh(rt_hash_lock_addr(i)); - for (; rth != tail; rth = next) { - next = rcu_dereference_protected(rth->dst.rt_next, 1); - rt_free(rth); + for (; list; list = next) { + next = rcu_dereference_protected(list->dst.rt_next, 1); + rt_free(list); } } } @@ -922,13 +906,13 @@ void rt_cache_flush(struct net *net, int delay) { rt_cache_invalidate(net); if (delay >= 0) - rt_do_flush(!in_softirq()); + rt_do_flush(net, !in_softirq()); } /* Flush previous cache invalidated entries from the cache */ -void rt_cache_flush_batch(void) +void rt_cache_flush_batch(struct net *net) { - rt_do_flush(!in_softirq()); + rt_do_flush(net, !in_softirq()); } static void rt_emergency_hash_rebuild(struct net *net) @@ -2578,9 +2562,10 @@ static int ip_route_output_slow(struct net *net, struct rtable **rp, goto out; /* RACE: Check return value of inet_select_addr instead. */ - if (rcu_dereference(dev_out->ip_ptr) == NULL) - goto out; /* Wrong error code */ - + if (!(dev_out->flags & IFF_UP) || !__in_dev_get_rcu(dev_out)) { + err = -ENETUNREACH; + goto out; + } if (ipv4_is_local_multicast(oldflp->fl4_dst) || ipv4_is_lbcast(oldflp->fl4_dst)) { if (!fl.fl4_src) @@ -2641,8 +2626,12 @@ static int ip_route_output_slow(struct net *net, struct rtable **rp, } if (res.type == RTN_LOCAL) { - if (!fl.fl4_src) - fl.fl4_src = fl.fl4_dst; + if (!fl.fl4_src) { + if (res.fi->fib_prefsrc) + fl.fl4_src = res.fi->fib_prefsrc; + else + fl.fl4_src = fl.fl4_dst; + } dev_out = net->loopback_dev; fl.oif = dev_out->ifindex; res.fi = NULL; diff --git a/net/ipv4/tcp_input.c b/net/ipv4/tcp_input.c index 824e8c8a17ad..eb7f82ebf4a3 100644 --- a/net/ipv4/tcp_input.c +++ b/net/ipv4/tcp_input.c @@ -916,25 +916,20 @@ static void tcp_init_metrics(struct sock *sk) tp->mdev_max = tp->rttvar = max(tp->mdev, tcp_rto_min(sk)); } tcp_set_rto(sk); - if (inet_csk(sk)->icsk_rto < TCP_TIMEOUT_INIT && !tp->rx_opt.saw_tstamp) - goto reset; - -cwnd: - tp->snd_cwnd = tcp_init_cwnd(tp, dst); - tp->snd_cwnd_stamp = tcp_time_stamp; - return; - + if (inet_csk(sk)->icsk_rto < TCP_TIMEOUT_INIT && !tp->rx_opt.saw_tstamp) { reset: - /* Play conservative. If timestamps are not - * supported, TCP will fail to recalculate correct - * rtt, if initial rto is too small. FORGET ALL AND RESET! - */ - if (!tp->rx_opt.saw_tstamp && tp->srtt) { - tp->srtt = 0; - tp->mdev = tp->mdev_max = tp->rttvar = TCP_TIMEOUT_INIT; - inet_csk(sk)->icsk_rto = TCP_TIMEOUT_INIT; + /* Play conservative. If timestamps are not + * supported, TCP will fail to recalculate correct + * rtt, if initial rto is too small. FORGET ALL AND RESET! + */ + if (!tp->rx_opt.saw_tstamp && tp->srtt) { + tp->srtt = 0; + tp->mdev = tp->mdev_max = tp->rttvar = TCP_TIMEOUT_INIT; + inet_csk(sk)->icsk_rto = TCP_TIMEOUT_INIT; + } } - goto cwnd; + tp->snd_cwnd = tcp_init_cwnd(tp, dst); + tp->snd_cwnd_stamp = tcp_time_stamp; } static void tcp_update_reordering(struct sock *sk, const int metric, @@ -4404,7 +4399,7 @@ static void tcp_data_queue(struct sock *sk, struct sk_buff *skb) if (!skb_copy_datagram_iovec(skb, 0, tp->ucopy.iov, chunk)) { tp->ucopy.len -= chunk; tp->copied_seq += chunk; - eaten = (chunk == skb->len && !th->fin); + eaten = (chunk == skb->len); tcp_rcv_space_adjust(sk); } local_bh_disable(); diff --git a/net/ipv4/tcp_ipv4.c b/net/ipv4/tcp_ipv4.c index f4011027543d..02f583b3744a 100644 --- a/net/ipv4/tcp_ipv4.c +++ b/net/ipv4/tcp_ipv4.c @@ -1994,13 +1994,12 @@ static void *listening_get_next(struct seq_file *seq, void *cur) } req = req->dl_next; } - st->offset = 0; if (++st->sbucket >= icsk->icsk_accept_queue.listen_opt->nr_table_entries) break; get_req: req = icsk->icsk_accept_queue.listen_opt->syn_table[st->sbucket]; } - sk = sk_next(st->syn_wait_sk); + sk = sk_nulls_next(st->syn_wait_sk); st->state = TCP_SEQ_STATE_LISTENING; read_unlock_bh(&icsk->icsk_accept_queue.syn_wait_lock); } else { @@ -2009,7 +2008,7 @@ get_req: if (reqsk_queue_len(&icsk->icsk_accept_queue)) goto start_req; read_unlock_bh(&icsk->icsk_accept_queue.syn_wait_lock); - sk = sk_next(sk); + sk = sk_nulls_next(sk); } get_sk: sk_nulls_for_each_from(sk, node) { diff --git a/net/ipv4/tcp_output.c b/net/ipv4/tcp_output.c index 2d390669d406..406f320336e6 100644 --- a/net/ipv4/tcp_output.c +++ b/net/ipv4/tcp_output.c @@ -228,10 +228,15 @@ void tcp_select_initial_window(int __space, __u32 mss, } } - /* Set initial window to value enough for senders, following RFC5681. */ + /* Set initial window to a value enough for senders starting with + * initial congestion window of TCP_DEFAULT_INIT_RCVWND. Place + * a limit on the initial window when mss is larger than 1460. + */ if (mss > (1 << *rcv_wscale)) { - int init_cwnd = rfc3390_bytes_to_packets(mss); - + int init_cwnd = TCP_DEFAULT_INIT_RCVWND; + if (mss > 1460) + init_cwnd = + max_t(u32, (1460 * TCP_DEFAULT_INIT_RCVWND) / mss, 2); /* when initializing use the value from init_rcv_wnd * rather than the default from above */ @@ -1345,7 +1350,7 @@ static inline unsigned int tcp_cwnd_test(struct tcp_sock *tp, return 0; } -/* Intialize TSO state of a skb. +/* Initialize TSO state of a skb. * This must be invoked the first time we consider transmitting * SKB onto the wire. */ diff --git a/net/ipv6/addrconf.c b/net/ipv6/addrconf.c index 5b189c97c2fc..fd6782e3a038 100644 --- a/net/ipv6/addrconf.c +++ b/net/ipv6/addrconf.c @@ -420,9 +420,6 @@ static struct inet6_dev * ipv6_add_dev(struct net_device *dev) dev->type == ARPHRD_TUNNEL6 || dev->type == ARPHRD_SIT || dev->type == ARPHRD_NONE) { - printk(KERN_INFO - "%s: Disabled Privacy Extensions\n", - dev->name); ndev->cnf.use_tempaddr = -1; } else { in6_dev_hold(ndev); @@ -2664,14 +2661,12 @@ static int addrconf_ifdown(struct net_device *dev, int how) struct net *net = dev_net(dev); struct inet6_dev *idev; struct inet6_ifaddr *ifa; - LIST_HEAD(keep_list); - int state; + int state, i; ASSERT_RTNL(); - /* Flush routes if device is being removed or it is not loopback */ - if (how || !(dev->flags & IFF_LOOPBACK)) - rt6_ifdown(net, dev); + rt6_ifdown(net, dev); + neigh_ifdown(&nd_tbl, dev); idev = __in6_dev_get(dev); if (idev == NULL) @@ -2692,6 +2687,23 @@ static int addrconf_ifdown(struct net_device *dev, int how) } + /* Step 2: clear hash table */ + for (i = 0; i < IN6_ADDR_HSIZE; i++) { + struct hlist_head *h = &inet6_addr_lst[i]; + struct hlist_node *n; + + spin_lock_bh(&addrconf_hash_lock); + restart: + hlist_for_each_entry_rcu(ifa, n, h, addr_lst) { + if (ifa->idev == idev) { + hlist_del_init_rcu(&ifa->addr_lst); + addrconf_del_timer(ifa); + goto restart; + } + } + spin_unlock_bh(&addrconf_hash_lock); + } + write_lock_bh(&idev->lock); /* Step 2: clear flags for stateless addrconf */ @@ -2725,52 +2737,23 @@ static int addrconf_ifdown(struct net_device *dev, int how) struct inet6_ifaddr, if_list); addrconf_del_timer(ifa); - /* If just doing link down, and address is permanent - and not link-local, then retain it. */ - if (!how && - (ifa->flags&IFA_F_PERMANENT) && - !(ipv6_addr_type(&ifa->addr) & IPV6_ADDR_LINKLOCAL)) { - list_move_tail(&ifa->if_list, &keep_list); - - /* If not doing DAD on this address, just keep it. */ - if ((dev->flags&(IFF_NOARP|IFF_LOOPBACK)) || - idev->cnf.accept_dad <= 0 || - (ifa->flags & IFA_F_NODAD)) - continue; + list_del(&ifa->if_list); - /* If it was tentative already, no need to notify */ - if (ifa->flags & IFA_F_TENTATIVE) - continue; + write_unlock_bh(&idev->lock); - /* Flag it for later restoration when link comes up */ - ifa->flags |= IFA_F_TENTATIVE; - ifa->state = INET6_IFADDR_STATE_DAD; - } else { - list_del(&ifa->if_list); - - /* clear hash table */ - spin_lock_bh(&addrconf_hash_lock); - hlist_del_init_rcu(&ifa->addr_lst); - spin_unlock_bh(&addrconf_hash_lock); - - write_unlock_bh(&idev->lock); - spin_lock_bh(&ifa->state_lock); - state = ifa->state; - ifa->state = INET6_IFADDR_STATE_DEAD; - spin_unlock_bh(&ifa->state_lock); - - if (state != INET6_IFADDR_STATE_DEAD) { - __ipv6_ifa_notify(RTM_DELADDR, ifa); - atomic_notifier_call_chain(&inet6addr_chain, - NETDEV_DOWN, ifa); - } + spin_lock_bh(&ifa->state_lock); + state = ifa->state; + ifa->state = INET6_IFADDR_STATE_DEAD; + spin_unlock_bh(&ifa->state_lock); - in6_ifa_put(ifa); - write_lock_bh(&idev->lock); + if (state != INET6_IFADDR_STATE_DEAD) { + __ipv6_ifa_notify(RTM_DELADDR, ifa); + atomic_notifier_call_chain(&inet6addr_chain, NETDEV_DOWN, ifa); } - } + in6_ifa_put(ifa); - list_splice(&keep_list, &idev->addr_list); + write_lock_bh(&idev->lock); + } write_unlock_bh(&idev->lock); @@ -4159,8 +4142,7 @@ static void __ipv6_ifa_notify(int event, struct inet6_ifaddr *ifp) addrconf_leave_solict(ifp->idev, &ifp->addr); dst_hold(&ifp->rt->dst); - if (ifp->state == INET6_IFADDR_STATE_DEAD && - ip6_del_rt(ifp->rt)) + if (ip6_del_rt(ifp->rt)) dst_free(&ifp->rt->dst); break; } diff --git a/net/ipv6/af_inet6.c b/net/ipv6/af_inet6.c index 059a3de647db..978e80e2c4a8 100644 --- a/net/ipv6/af_inet6.c +++ b/net/ipv6/af_inet6.c @@ -300,7 +300,7 @@ int inet6_bind(struct socket *sock, struct sockaddr *uaddr, int addr_len) goto out; } - /* Reproduce AF_INET checks to make the bindings consitant */ + /* Reproduce AF_INET checks to make the bindings consistent */ v4addr = addr->sin6_addr.s6_addr32[3]; chk_addr_ret = inet_addr_type(net, v4addr); if (!sysctl_ip_nonlocal_bind && diff --git a/net/ipv6/ah6.c b/net/ipv6/ah6.c index ee82d4ef26ce..1aba54ae53c4 100644 --- a/net/ipv6/ah6.c +++ b/net/ipv6/ah6.c @@ -538,14 +538,16 @@ static int ah6_input(struct xfrm_state *x, struct sk_buff *skb) if (!pskb_may_pull(skb, ah_hlen)) goto out; - ip6h = ipv6_hdr(skb); - - skb_push(skb, hdr_len); if ((err = skb_cow_data(skb, 0, &trailer)) < 0) goto out; nfrags = err; + ah = (struct ip_auth_hdr *)skb->data; + ip6h = ipv6_hdr(skb); + + skb_push(skb, hdr_len); + work_iph = ah_alloc_tmp(ahash, nfrags, hdr_len + ahp->icv_trunc_len); if (!work_iph) goto out; diff --git a/net/ipv6/inet6_connection_sock.c b/net/ipv6/inet6_connection_sock.c index e46305d1815a..d144e629d2b4 100644 --- a/net/ipv6/inet6_connection_sock.c +++ b/net/ipv6/inet6_connection_sock.c @@ -44,7 +44,7 @@ int inet6_csk_bind_conflict(const struct sock *sk, !sk2->sk_bound_dev_if || sk->sk_bound_dev_if == sk2->sk_bound_dev_if) && (!sk->sk_reuse || !sk2->sk_reuse || - sk2->sk_state == TCP_LISTEN) && + ((1 << sk2->sk_state) & (TCPF_LISTEN | TCPF_CLOSE))) && ipv6_rcv_saddr_equal(sk, sk2)) break; } diff --git a/net/ipv6/ip6_output.c b/net/ipv6/ip6_output.c index 99157b4cd56e..5f8d242be3f3 100644 --- a/net/ipv6/ip6_output.c +++ b/net/ipv6/ip6_output.c @@ -56,7 +56,7 @@ #include <net/checksum.h> #include <linux/mroute6.h> -static int ip6_fragment(struct sk_buff *skb, int (*output)(struct sk_buff *)); +int ip6_fragment(struct sk_buff *skb, int (*output)(struct sk_buff *)); int __ip6_local_out(struct sk_buff *skb) { @@ -145,14 +145,6 @@ static int ip6_finish_output2(struct sk_buff *skb) return -EINVAL; } -static inline int ip6_skb_dst_mtu(struct sk_buff *skb) -{ - struct ipv6_pinfo *np = skb->sk ? inet6_sk(skb->sk) : NULL; - - return (np && np->pmtudisc == IPV6_PMTUDISC_PROBE) ? - skb_dst(skb)->dev->mtu : dst_mtu(skb_dst(skb)); -} - static int ip6_finish_output(struct sk_buff *skb) { if ((skb->len > ip6_skb_dst_mtu(skb) && !skb_is_gso(skb)) || @@ -409,6 +401,9 @@ int ip6_forward(struct sk_buff *skb) goto drop; } + if (skb->pkt_type != PACKET_HOST) + goto drop; + skb_forward_csum(skb); /* @@ -601,7 +596,7 @@ int ip6_find_1stfragopt(struct sk_buff *skb, u8 **nexthdr) return offset; } -static int ip6_fragment(struct sk_buff *skb, int (*output)(struct sk_buff *)) +int ip6_fragment(struct sk_buff *skb, int (*output)(struct sk_buff *)) { struct sk_buff *frag; struct rt6_info *rt = (struct rt6_info*)skb_dst(skb); diff --git a/net/ipv6/netfilter/ip6_tables.c b/net/ipv6/netfilter/ip6_tables.c index 455582384ece..7d227c644f72 100644 --- a/net/ipv6/netfilter/ip6_tables.c +++ b/net/ipv6/netfilter/ip6_tables.c @@ -897,42 +897,25 @@ get_counters(const struct xt_table_info *t, struct ip6t_entry *iter; unsigned int cpu; unsigned int i; - unsigned int curcpu = get_cpu(); - - /* Instead of clearing (by a previous call to memset()) - * the counters and using adds, we set the counters - * with data used by 'current' CPU - * - * Bottom half has to be disabled to prevent deadlock - * if new softirq were to run and call ipt_do_table - */ - local_bh_disable(); - i = 0; - xt_entry_foreach(iter, t->entries[curcpu], t->size) { - SET_COUNTER(counters[i], iter->counters.bcnt, - iter->counters.pcnt); - ++i; - } - local_bh_enable(); - /* Processing counters from other cpus, we can let bottom half enabled, - * (preemption is disabled) - */ for_each_possible_cpu(cpu) { - if (cpu == curcpu) - continue; + seqlock_t *lock = &per_cpu(xt_info_locks, cpu).lock; + i = 0; - local_bh_disable(); - xt_info_wrlock(cpu); xt_entry_foreach(iter, t->entries[cpu], t->size) { - ADD_COUNTER(counters[i], iter->counters.bcnt, - iter->counters.pcnt); + u64 bcnt, pcnt; + unsigned int start; + + do { + start = read_seqbegin(lock); + bcnt = iter->counters.bcnt; + pcnt = iter->counters.pcnt; + } while (read_seqretry(lock, start)); + + ADD_COUNTER(counters[i], bcnt, pcnt); ++i; } - xt_info_wrunlock(cpu); - local_bh_enable(); } - put_cpu(); } static struct xt_counters *alloc_counters(const struct xt_table *table) @@ -945,7 +928,7 @@ static struct xt_counters *alloc_counters(const struct xt_table *table) (other than comefrom, which userspace doesn't care about). */ countersize = sizeof(struct xt_counters) * private->number; - counters = vmalloc(countersize); + counters = vzalloc(countersize); if (counters == NULL) return ERR_PTR(-ENOMEM); @@ -1216,7 +1199,7 @@ __do_replace(struct net *net, const char *name, unsigned int valid_hooks, struct ip6t_entry *iter; ret = 0; - counters = vmalloc(num_counters * sizeof(struct xt_counters)); + counters = vzalloc(num_counters * sizeof(struct xt_counters)); if (!counters) { ret = -ENOMEM; goto out; diff --git a/net/ipv6/netfilter/nf_defrag_ipv6_hooks.c b/net/ipv6/netfilter/nf_defrag_ipv6_hooks.c index 99abfb53bab9..97c5b21b9674 100644 --- a/net/ipv6/netfilter/nf_defrag_ipv6_hooks.c +++ b/net/ipv6/netfilter/nf_defrag_ipv6_hooks.c @@ -19,13 +19,15 @@ #include <linux/netfilter_ipv6.h> #include <linux/netfilter_bridge.h> +#if defined(CONFIG_NF_CONNTRACK) || defined(CONFIG_NF_CONNTRACK_MODULE) #include <net/netfilter/nf_conntrack.h> #include <net/netfilter/nf_conntrack_helper.h> #include <net/netfilter/nf_conntrack_l4proto.h> #include <net/netfilter/nf_conntrack_l3proto.h> #include <net/netfilter/nf_conntrack_core.h> -#include <net/netfilter/nf_conntrack_zones.h> #include <net/netfilter/ipv6/nf_conntrack_ipv6.h> +#endif +#include <net/netfilter/nf_conntrack_zones.h> #include <net/netfilter/ipv6/nf_defrag_ipv6.h> static enum ip6_defrag_users nf_ct6_defrag_user(unsigned int hooknum, @@ -33,8 +35,10 @@ static enum ip6_defrag_users nf_ct6_defrag_user(unsigned int hooknum, { u16 zone = NF_CT_DEFAULT_ZONE; +#if defined(CONFIG_NF_CONNTRACK) || defined(CONFIG_NF_CONNTRACK_MODULE) if (skb->nfct) zone = nf_ct_zone((struct nf_conn *)skb->nfct); +#endif #ifdef CONFIG_BRIDGE_NETFILTER if (skb->nf_bridge && @@ -56,9 +60,11 @@ static unsigned int ipv6_defrag(unsigned int hooknum, { struct sk_buff *reasm; +#if defined(CONFIG_NF_CONNTRACK) || defined(CONFIG_NF_CONNTRACK_MODULE) /* Previously seen (loopback)? */ if (skb->nfct && !nf_ct_is_template((struct nf_conn *)skb->nfct)) return NF_ACCEPT; +#endif reasm = nf_ct_frag6_gather(skb, nf_ct6_defrag_user(hooknum, skb)); /* queued */ diff --git a/net/ipv6/route.c b/net/ipv6/route.c index 373bd0416f69..28a85fc63cb8 100644 --- a/net/ipv6/route.c +++ b/net/ipv6/route.c @@ -72,8 +72,6 @@ #define RT6_TRACE(x...) do { ; } while (0) #endif -#define CLONE_OFFLINK_ROUTE 0 - static struct rt6_info * ip6_rt_copy(struct rt6_info *ort); static struct dst_entry *ip6_dst_check(struct dst_entry *dst, u32 cookie); static unsigned int ip6_default_advmss(const struct dst_entry *dst); @@ -196,7 +194,6 @@ static void ip6_dst_destroy(struct dst_entry *dst) in6_dev_put(idev); } if (peer) { - BUG_ON(!(rt->rt6i_flags & RTF_CACHE)); rt->rt6i_peer = NULL; inet_putpeer(peer); } @@ -206,9 +203,6 @@ void rt6_bind_peer(struct rt6_info *rt, int create) { struct inet_peer *peer; - if (WARN_ON(!(rt->rt6i_flags & RTF_CACHE))) - return; - peer = inet_getpeer_v6(&rt->rt6i_dst.addr, create); if (peer && cmpxchg(&rt->rt6i_peer, NULL, peer) != NULL) inet_putpeer(peer); @@ -738,13 +732,8 @@ restart: if (!rt->rt6i_nexthop && !(rt->rt6i_flags & RTF_NONEXTHOP)) nrt = rt6_alloc_cow(rt, &fl->fl6_dst, &fl->fl6_src); - else { -#if CLONE_OFFLINK_ROUTE + else nrt = rt6_alloc_clone(rt, &fl->fl6_dst); -#else - goto out2; -#endif - } dst_release(&rt->dst); rt = nrt ? : net->ipv6.ip6_null_entry; diff --git a/net/ipv6/xfrm6_output.c b/net/ipv6/xfrm6_output.c index 6434bd5ce088..8e688b3de9ab 100644 --- a/net/ipv6/xfrm6_output.c +++ b/net/ipv6/xfrm6_output.c @@ -17,6 +17,7 @@ #include <linux/netfilter_ipv6.h> #include <net/dst.h> #include <net/ipv6.h> +#include <net/ip6_route.h> #include <net/xfrm.h> int xfrm6_find_1stfragopt(struct xfrm_state *x, struct sk_buff *skb, @@ -88,8 +89,21 @@ static int xfrm6_output_finish(struct sk_buff *skb) return xfrm_output(skb); } +static int __xfrm6_output(struct sk_buff *skb) +{ + struct dst_entry *dst = skb_dst(skb); + struct xfrm_state *x = dst->xfrm; + + if ((x && x->props.mode == XFRM_MODE_TUNNEL) && + ((skb->len > ip6_skb_dst_mtu(skb) && !skb_is_gso(skb)) || + dst_allfrag(skb_dst(skb)))) { + return ip6_fragment(skb, xfrm6_output_finish); + } + return xfrm6_output_finish(skb); +} + int xfrm6_output(struct sk_buff *skb) { return NF_HOOK(NFPROTO_IPV6, NF_INET_POST_ROUTING, skb, NULL, - skb_dst(skb)->dev, xfrm6_output_finish); + skb_dst(skb)->dev, __xfrm6_output); } diff --git a/net/ipv6/xfrm6_policy.c b/net/ipv6/xfrm6_policy.c index 7e74023ea6e4..da87428681cc 100644 --- a/net/ipv6/xfrm6_policy.c +++ b/net/ipv6/xfrm6_policy.c @@ -98,6 +98,10 @@ static int xfrm6_fill_dst(struct xfrm_dst *xdst, struct net_device *dev, if (!xdst->u.rt6.rt6i_idev) return -ENODEV; + xdst->u.rt6.rt6i_peer = rt->rt6i_peer; + if (rt->rt6i_peer) + atomic_inc(&rt->rt6i_peer->refcnt); + /* Sheit... I remember I did this right. Apparently, * it was magically lost, so this code needs audit */ xdst->u.rt6.rt6i_flags = rt->rt6i_flags & (RTF_ANYCAST | @@ -216,6 +220,8 @@ static void xfrm6_dst_destroy(struct dst_entry *dst) if (likely(xdst->u.rt6.rt6i_idev)) in6_dev_put(xdst->u.rt6.rt6i_idev); + if (likely(xdst->u.rt6.rt6i_peer)) + inet_putpeer(xdst->u.rt6.rt6i_peer); xfrm_dst_destroy(xdst); } diff --git a/net/irda/af_irda.c b/net/irda/af_irda.c index 7f097989cde2..c9890e25cd4c 100644 --- a/net/irda/af_irda.c +++ b/net/irda/af_irda.c @@ -45,7 +45,6 @@ #include <linux/capability.h> #include <linux/module.h> #include <linux/types.h> -#include <linux/smp_lock.h> #include <linux/socket.h> #include <linux/sockios.h> #include <linux/slab.h> @@ -2281,6 +2280,16 @@ static int irda_getsockopt(struct socket *sock, int level, int optname, switch (optname) { case IRLMP_ENUMDEVICES: + + /* Offset to first device entry */ + offset = sizeof(struct irda_device_list) - + sizeof(struct irda_device_info); + + if (len < offset) { + err = -EINVAL; + goto out; + } + /* Ask lmp for the current discovery log */ discoveries = irlmp_get_discoveries(&list.len, self->mask.word, self->nslots); @@ -2291,15 +2300,9 @@ static int irda_getsockopt(struct socket *sock, int level, int optname, } /* Write total list length back to client */ - if (copy_to_user(optval, &list, - sizeof(struct irda_device_list) - - sizeof(struct irda_device_info))) + if (copy_to_user(optval, &list, offset)) err = -EFAULT; - /* Offset to first device entry */ - offset = sizeof(struct irda_device_list) - - sizeof(struct irda_device_info); - /* Copy the list itself - watch for overflow */ if (list.len > 2048) { err = -EINVAL; diff --git a/net/irda/irnet/irnet_ppp.c b/net/irda/irnet/irnet_ppp.c index 7fa86373de41..7c567b8aa89a 100644 --- a/net/irda/irnet/irnet_ppp.c +++ b/net/irda/irnet/irnet_ppp.c @@ -15,7 +15,6 @@ #include <linux/sched.h> #include <linux/slab.h> -#include <linux/smp_lock.h> #include "irnet_ppp.h" /* Private header */ /* Please put other headers in irnet.h - Thanks */ diff --git a/net/iucv/iucv.c b/net/iucv/iucv.c index f7db676de77d..1ee5dab3cfae 100644 --- a/net/iucv/iucv.c +++ b/net/iucv/iucv.c @@ -36,6 +36,7 @@ #define KMSG_COMPONENT "iucv" #define pr_fmt(fmt) KMSG_COMPONENT ": " fmt +#include <linux/kernel_stat.h> #include <linux/module.h> #include <linux/moduleparam.h> #include <linux/spinlock.h> @@ -1804,6 +1805,7 @@ static void iucv_external_interrupt(unsigned int ext_int_code, struct iucv_irq_data *p; struct iucv_irq_list *work; + kstat_cpu(smp_processor_id()).irqs[EXTINT_IUC]++; p = iucv_irq_data[smp_processor_id()]; if (p->ippathid >= iucv_max_pathid) { WARN_ON(p->ippathid >= iucv_max_pathid); diff --git a/net/mac80211/Kconfig b/net/mac80211/Kconfig index 798d9b9462e2..c766056d0488 100644 --- a/net/mac80211/Kconfig +++ b/net/mac80211/Kconfig @@ -20,7 +20,7 @@ config MAC80211_HAS_RC def_bool n config MAC80211_RC_PID - bool "PID controller based rate control algorithm" if EMBEDDED + bool "PID controller based rate control algorithm" if EXPERT select MAC80211_HAS_RC ---help--- This option enables a TX rate control algorithm for @@ -28,14 +28,14 @@ config MAC80211_RC_PID rate. config MAC80211_RC_MINSTREL - bool "Minstrel" if EMBEDDED + bool "Minstrel" if EXPERT select MAC80211_HAS_RC default y ---help--- This option enables the 'minstrel' TX rate control algorithm config MAC80211_RC_MINSTREL_HT - bool "Minstrel 802.11n support" if EMBEDDED + bool "Minstrel 802.11n support" if EXPERT depends on MAC80211_RC_MINSTREL default y ---help--- @@ -93,7 +93,7 @@ config MAC80211_MESH config MAC80211_LEDS bool "Enable LED triggers" depends on MAC80211 - select NEW_LEDS + depends on LEDS_CLASS select LEDS_TRIGGERS ---help--- This option enables a few LED triggers for different diff --git a/net/mac80211/agg-rx.c b/net/mac80211/agg-rx.c index f138b195d657..227ca82eef72 100644 --- a/net/mac80211/agg-rx.c +++ b/net/mac80211/agg-rx.c @@ -185,8 +185,6 @@ void ieee80211_process_addba_request(struct ieee80211_local *local, struct ieee80211_mgmt *mgmt, size_t len) { - struct ieee80211_hw *hw = &local->hw; - struct ieee80211_conf *conf = &hw->conf; struct tid_ampdu_rx *tid_agg_rx; u16 capab, tid, timeout, ba_policy, buf_size, start_seq_num, status; u8 dialog_token; @@ -231,13 +229,8 @@ void ieee80211_process_addba_request(struct ieee80211_local *local, goto end_no_lock; } /* determine default buffer size */ - if (buf_size == 0) { - struct ieee80211_supported_band *sband; - - sband = local->hw.wiphy->bands[conf->channel->band]; - buf_size = IEEE80211_MIN_AMPDU_BUF; - buf_size = buf_size << sband->ht_cap.ampdu_factor; - } + if (buf_size == 0) + buf_size = IEEE80211_MAX_AMPDU_BUF; /* examine state machine */ diff --git a/net/mac80211/agg-tx.c b/net/mac80211/agg-tx.c index d4679b265ba8..9cc472c6a6a5 100644 --- a/net/mac80211/agg-tx.c +++ b/net/mac80211/agg-tx.c @@ -342,10 +342,11 @@ void ieee80211_tx_ba_session_handle_start(struct sta_info *sta, int tid) /* send AddBA request */ ieee80211_send_addba_request(sdata, sta->sta.addr, tid, tid_tx->dialog_token, start_seq_num, - 0x40, 5000); + 0x40, tid_tx->timeout); } -int ieee80211_start_tx_ba_session(struct ieee80211_sta *pubsta, u16 tid) +int ieee80211_start_tx_ba_session(struct ieee80211_sta *pubsta, u16 tid, + u16 timeout) { struct sta_info *sta = container_of(pubsta, struct sta_info, sta); struct ieee80211_sub_if_data *sdata = sta->sdata; @@ -420,6 +421,8 @@ int ieee80211_start_tx_ba_session(struct ieee80211_sta *pubsta, u16 tid) skb_queue_head_init(&tid_tx->pending); __set_bit(HT_AGG_STATE_WANT_START, &tid_tx->state); + tid_tx->timeout = timeout; + /* Tx timer */ tid_tx->addba_resp_timer.function = sta_addba_resp_timer_expired; tid_tx->addba_resp_timer.data = (unsigned long)&sta->timer_to_tid[tid]; diff --git a/net/mac80211/cfg.c b/net/mac80211/cfg.c index c30b8b72eedb..4bc8a9250cfd 100644 --- a/net/mac80211/cfg.c +++ b/net/mac80211/cfg.c @@ -295,11 +295,12 @@ static int ieee80211_get_key(struct wiphy *wiphy, struct net_device *dev, static int ieee80211_config_default_key(struct wiphy *wiphy, struct net_device *dev, - u8 key_idx) + u8 key_idx, bool uni, + bool multi) { struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); - ieee80211_set_default_key(sdata, key_idx); + ieee80211_set_default_key(sdata, key_idx, uni, multi); return 0; } @@ -983,7 +984,7 @@ static int ieee80211_dump_mpath(struct wiphy *wiphy, struct net_device *dev, return 0; } -static int ieee80211_get_mesh_params(struct wiphy *wiphy, +static int ieee80211_get_mesh_config(struct wiphy *wiphy, struct net_device *dev, struct mesh_config *conf) { @@ -999,7 +1000,37 @@ static inline bool _chg_mesh_attr(enum nl80211_meshconf_params parm, u32 mask) return (mask >> (parm-1)) & 0x1; } -static int ieee80211_update_mesh_params(struct wiphy *wiphy, +static int copy_mesh_setup(struct ieee80211_if_mesh *ifmsh, + const struct mesh_setup *setup) +{ + u8 *new_ie; + const u8 *old_ie; + + /* first allocate the new vendor information element */ + new_ie = NULL; + old_ie = ifmsh->vendor_ie; + + ifmsh->vendor_ie_len = setup->vendor_ie_len; + if (setup->vendor_ie_len) { + new_ie = kmemdup(setup->vendor_ie, setup->vendor_ie_len, + GFP_KERNEL); + if (!new_ie) + return -ENOMEM; + } + + /* now copy the rest of the setup parameters */ + ifmsh->mesh_id_len = setup->mesh_id_len; + memcpy(ifmsh->mesh_id, setup->mesh_id, ifmsh->mesh_id_len); + ifmsh->mesh_pp_id = setup->path_sel_proto; + ifmsh->mesh_pm_id = setup->path_metric; + ifmsh->vendor_ie = new_ie; + + kfree(old_ie); + + return 0; +} + +static int ieee80211_update_mesh_config(struct wiphy *wiphy, struct net_device *dev, u32 mask, const struct mesh_config *nconf) { @@ -1058,11 +1089,12 @@ static int ieee80211_join_mesh(struct wiphy *wiphy, struct net_device *dev, { struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); struct ieee80211_if_mesh *ifmsh = &sdata->u.mesh; + int err; - memcpy(&sdata->u.mesh.mshcfg, conf, sizeof(struct mesh_config)); - ifmsh->mesh_id_len = setup->mesh_id_len; - memcpy(ifmsh->mesh_id, setup->mesh_id, ifmsh->mesh_id_len); - + memcpy(&ifmsh->mshcfg, conf, sizeof(struct mesh_config)); + err = copy_mesh_setup(ifmsh, setup); + if (err) + return err; ieee80211_start_mesh(sdata); return 0; @@ -1561,6 +1593,37 @@ static int ieee80211_set_bitrate_mask(struct wiphy *wiphy, return 0; } +static int ieee80211_remain_on_channel_hw(struct ieee80211_local *local, + struct net_device *dev, + struct ieee80211_channel *chan, + enum nl80211_channel_type chantype, + unsigned int duration, u64 *cookie) +{ + int ret; + u32 random_cookie; + + lockdep_assert_held(&local->mtx); + + if (local->hw_roc_cookie) + return -EBUSY; + /* must be nonzero */ + random_cookie = random32() | 1; + + *cookie = random_cookie; + local->hw_roc_dev = dev; + local->hw_roc_cookie = random_cookie; + local->hw_roc_channel = chan; + local->hw_roc_channel_type = chantype; + local->hw_roc_duration = duration; + ret = drv_remain_on_channel(local, chan, chantype, duration); + if (ret) { + local->hw_roc_channel = NULL; + local->hw_roc_cookie = 0; + } + + return ret; +} + static int ieee80211_remain_on_channel(struct wiphy *wiphy, struct net_device *dev, struct ieee80211_channel *chan, @@ -1569,16 +1632,63 @@ static int ieee80211_remain_on_channel(struct wiphy *wiphy, u64 *cookie) { struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); + struct ieee80211_local *local = sdata->local; + + if (local->ops->remain_on_channel) { + int ret; + + mutex_lock(&local->mtx); + ret = ieee80211_remain_on_channel_hw(local, dev, + chan, channel_type, + duration, cookie); + local->hw_roc_for_tx = false; + mutex_unlock(&local->mtx); + + return ret; + } return ieee80211_wk_remain_on_channel(sdata, chan, channel_type, duration, cookie); } +static int ieee80211_cancel_remain_on_channel_hw(struct ieee80211_local *local, + u64 cookie) +{ + int ret; + + lockdep_assert_held(&local->mtx); + + if (local->hw_roc_cookie != cookie) + return -ENOENT; + + ret = drv_cancel_remain_on_channel(local); + if (ret) + return ret; + + local->hw_roc_cookie = 0; + local->hw_roc_channel = NULL; + + ieee80211_recalc_idle(local); + + return 0; +} + static int ieee80211_cancel_remain_on_channel(struct wiphy *wiphy, struct net_device *dev, u64 cookie) { struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); + struct ieee80211_local *local = sdata->local; + + if (local->ops->cancel_remain_on_channel) { + int ret; + + mutex_lock(&local->mtx); + ret = ieee80211_cancel_remain_on_channel_hw(local, cookie); + mutex_unlock(&local->mtx); + + return ret; + } return ieee80211_wk_cancel_remain_on_channel(sdata, cookie); } @@ -1630,6 +1740,12 @@ static int ieee80211_mgmt_tx(struct wiphy *wiphy, struct net_device *dev, channel_type != local->_oper_channel_type)) is_offchan = true; + if (chan == local->hw_roc_channel) { + /* TODO: check channel type? */ + is_offchan = false; + flags |= IEEE80211_TX_CTL_TX_OFFCHAN; + } + if (is_offchan && !offchan) return -EBUSY; @@ -1638,6 +1754,7 @@ static int ieee80211_mgmt_tx(struct wiphy *wiphy, struct net_device *dev, case NL80211_IFTYPE_AP: case NL80211_IFTYPE_AP_VLAN: case NL80211_IFTYPE_P2P_GO: + case NL80211_IFTYPE_MESH_POINT: if (!ieee80211_is_action(mgmt->frame_control) || mgmt->u.action.category == WLAN_CATEGORY_PUBLIC) break; @@ -1667,6 +1784,49 @@ static int ieee80211_mgmt_tx(struct wiphy *wiphy, struct net_device *dev, *cookie = (unsigned long) skb; + if (is_offchan && local->ops->remain_on_channel) { + unsigned int duration; + int ret; + + mutex_lock(&local->mtx); + /* + * If the duration is zero, then the driver + * wouldn't actually do anything. Set it to + * 100 for now. + * + * TODO: cancel the off-channel operation + * when we get the SKB's TX status and + * the wait time was zero before. + */ + duration = 100; + if (wait) + duration = wait; + ret = ieee80211_remain_on_channel_hw(local, dev, chan, + channel_type, + duration, cookie); + if (ret) { + kfree_skb(skb); + mutex_unlock(&local->mtx); + return ret; + } + + local->hw_roc_for_tx = true; + local->hw_roc_duration = wait; + + /* + * queue up frame for transmission after + * ieee80211_ready_on_channel call + */ + + /* modify cookie to prevent API mismatches */ + *cookie ^= 2; + IEEE80211_SKB_CB(skb)->flags |= IEEE80211_TX_CTL_TX_OFFCHAN; + local->hw_roc_skb = skb; + mutex_unlock(&local->mtx); + + return 0; + } + /* * Can transmit right away if the channel was the * right one and there's no wait involved... If a @@ -1707,6 +1867,21 @@ static int ieee80211_mgmt_tx_cancel_wait(struct wiphy *wiphy, int ret = -ENOENT; mutex_lock(&local->mtx); + + if (local->ops->cancel_remain_on_channel) { + cookie ^= 2; + ret = ieee80211_cancel_remain_on_channel_hw(local, cookie); + + if (ret == 0) { + kfree_skb(local->hw_roc_skb); + local->hw_roc_skb = NULL; + } + + mutex_unlock(&local->mtx); + + return ret; + } + list_for_each_entry(wk, &local->work_list, list) { if (wk->sdata != sdata) continue; @@ -1786,8 +1961,8 @@ struct cfg80211_ops mac80211_config_ops = { .change_mpath = ieee80211_change_mpath, .get_mpath = ieee80211_get_mpath, .dump_mpath = ieee80211_dump_mpath, - .update_mesh_params = ieee80211_update_mesh_params, - .get_mesh_params = ieee80211_get_mesh_params, + .update_mesh_config = ieee80211_update_mesh_config, + .get_mesh_config = ieee80211_get_mesh_config, .join_mesh = ieee80211_join_mesh, .leave_mesh = ieee80211_leave_mesh, #endif diff --git a/net/mac80211/debugfs_key.c b/net/mac80211/debugfs_key.c index 5822a6ce7671..f7ef3477c24a 100644 --- a/net/mac80211/debugfs_key.c +++ b/net/mac80211/debugfs_key.c @@ -274,7 +274,8 @@ void ieee80211_debugfs_key_remove(struct ieee80211_key *key) debugfs_remove_recursive(key->debugfs.dir); key->debugfs.dir = NULL; } -void ieee80211_debugfs_key_add_default(struct ieee80211_sub_if_data *sdata) + +void ieee80211_debugfs_key_update_default(struct ieee80211_sub_if_data *sdata) { char buf[50]; struct ieee80211_key *key; @@ -282,25 +283,29 @@ void ieee80211_debugfs_key_add_default(struct ieee80211_sub_if_data *sdata) if (!sdata->debugfs.dir) return; - /* this is running under the key lock */ + lockdep_assert_held(&sdata->local->key_mtx); - key = sdata->default_key; - if (key) { + if (sdata->default_unicast_key) { + key = sdata->default_unicast_key; sprintf(buf, "../keys/%d", key->debugfs.cnt); - sdata->debugfs.default_key = - debugfs_create_symlink("default_key", + sdata->debugfs.default_unicast_key = + debugfs_create_symlink("default_unicast_key", sdata->debugfs.dir, buf); - } else - ieee80211_debugfs_key_remove_default(sdata); -} - -void ieee80211_debugfs_key_remove_default(struct ieee80211_sub_if_data *sdata) -{ - if (!sdata) - return; + } else { + debugfs_remove(sdata->debugfs.default_unicast_key); + sdata->debugfs.default_unicast_key = NULL; + } - debugfs_remove(sdata->debugfs.default_key); - sdata->debugfs.default_key = NULL; + if (sdata->default_multicast_key) { + key = sdata->default_multicast_key; + sprintf(buf, "../keys/%d", key->debugfs.cnt); + sdata->debugfs.default_multicast_key = + debugfs_create_symlink("default_multicast_key", + sdata->debugfs.dir, buf); + } else { + debugfs_remove(sdata->debugfs.default_multicast_key); + sdata->debugfs.default_multicast_key = NULL; + } } void ieee80211_debugfs_key_add_mgmt_default(struct ieee80211_sub_if_data *sdata) diff --git a/net/mac80211/debugfs_key.h b/net/mac80211/debugfs_key.h index 54717b4e1371..32adc77e9c77 100644 --- a/net/mac80211/debugfs_key.h +++ b/net/mac80211/debugfs_key.h @@ -4,8 +4,7 @@ #ifdef CONFIG_MAC80211_DEBUGFS void ieee80211_debugfs_key_add(struct ieee80211_key *key); void ieee80211_debugfs_key_remove(struct ieee80211_key *key); -void ieee80211_debugfs_key_add_default(struct ieee80211_sub_if_data *sdata); -void ieee80211_debugfs_key_remove_default(struct ieee80211_sub_if_data *sdata); +void ieee80211_debugfs_key_update_default(struct ieee80211_sub_if_data *sdata); void ieee80211_debugfs_key_add_mgmt_default( struct ieee80211_sub_if_data *sdata); void ieee80211_debugfs_key_remove_mgmt_default( @@ -17,10 +16,7 @@ static inline void ieee80211_debugfs_key_add(struct ieee80211_key *key) {} static inline void ieee80211_debugfs_key_remove(struct ieee80211_key *key) {} -static inline void ieee80211_debugfs_key_add_default( - struct ieee80211_sub_if_data *sdata) -{} -static inline void ieee80211_debugfs_key_remove_default( +static inline void ieee80211_debugfs_key_update_default( struct ieee80211_sub_if_data *sdata) {} static inline void ieee80211_debugfs_key_add_mgmt_default( diff --git a/net/mac80211/debugfs_sta.c b/net/mac80211/debugfs_sta.c index 8bb5af85f469..c04a1396cf8d 100644 --- a/net/mac80211/debugfs_sta.c +++ b/net/mac80211/debugfs_sta.c @@ -189,7 +189,7 @@ static ssize_t sta_agg_status_write(struct file *file, const char __user *userbu if (tx) { if (start) - ret = ieee80211_start_tx_ba_session(&sta->sta, tid); + ret = ieee80211_start_tx_ba_session(&sta->sta, tid, 5000); else ret = ieee80211_stop_tx_ba_session(&sta->sta, tid); } else { diff --git a/net/mac80211/driver-ops.h b/net/mac80211/driver-ops.h index 4244554d218a..98d589960a49 100644 --- a/net/mac80211/driver-ops.h +++ b/net/mac80211/driver-ops.h @@ -367,7 +367,7 @@ static inline void drv_reset_tsf(struct ieee80211_local *local) static inline int drv_tx_last_beacon(struct ieee80211_local *local) { - int ret = 1; + int ret = 0; /* default unsuported op for less congestion */ might_sleep(); @@ -465,4 +465,34 @@ static inline int drv_get_antenna(struct ieee80211_local *local, return ret; } +static inline int drv_remain_on_channel(struct ieee80211_local *local, + struct ieee80211_channel *chan, + enum nl80211_channel_type chantype, + unsigned int duration) +{ + int ret; + + might_sleep(); + + trace_drv_remain_on_channel(local, chan, chantype, duration); + ret = local->ops->remain_on_channel(&local->hw, chan, chantype, + duration); + trace_drv_return_int(local, ret); + + return ret; +} + +static inline int drv_cancel_remain_on_channel(struct ieee80211_local *local) +{ + int ret; + + might_sleep(); + + trace_drv_cancel_remain_on_channel(local); + ret = local->ops->cancel_remain_on_channel(&local->hw); + trace_drv_return_int(local, ret); + + return ret; +} + #endif /* __MAC80211_DRIVER_OPS */ diff --git a/net/mac80211/driver-trace.h b/net/mac80211/driver-trace.h index c2772f23ac9c..49c84218b2f4 100644 --- a/net/mac80211/driver-trace.h +++ b/net/mac80211/driver-trace.h @@ -933,6 +933,50 @@ TRACE_EVENT(drv_get_antenna, ) ); +TRACE_EVENT(drv_remain_on_channel, + TP_PROTO(struct ieee80211_local *local, struct ieee80211_channel *chan, + enum nl80211_channel_type chantype, unsigned int duration), + + TP_ARGS(local, chan, chantype, duration), + + TP_STRUCT__entry( + LOCAL_ENTRY + __field(int, center_freq) + __field(int, channel_type) + __field(unsigned int, duration) + ), + + TP_fast_assign( + LOCAL_ASSIGN; + __entry->center_freq = chan->center_freq; + __entry->channel_type = chantype; + __entry->duration = duration; + ), + + TP_printk( + LOCAL_PR_FMT " freq:%dMHz duration:%dms", + LOCAL_PR_ARG, __entry->center_freq, __entry->duration + ) +); + +TRACE_EVENT(drv_cancel_remain_on_channel, + TP_PROTO(struct ieee80211_local *local), + + TP_ARGS(local), + + TP_STRUCT__entry( + LOCAL_ENTRY + ), + + TP_fast_assign( + LOCAL_ASSIGN; + ), + + TP_printk( + LOCAL_PR_FMT, LOCAL_PR_ARG + ) +); + /* * Tracing for API calls that drivers call. */ @@ -1170,6 +1214,42 @@ TRACE_EVENT(api_chswitch_done, ) ); +TRACE_EVENT(api_ready_on_channel, + TP_PROTO(struct ieee80211_local *local), + + TP_ARGS(local), + + TP_STRUCT__entry( + LOCAL_ENTRY + ), + + TP_fast_assign( + LOCAL_ASSIGN; + ), + + TP_printk( + LOCAL_PR_FMT, LOCAL_PR_ARG + ) +); + +TRACE_EVENT(api_remain_on_channel_expired, + TP_PROTO(struct ieee80211_local *local), + + TP_ARGS(local), + + TP_STRUCT__entry( + LOCAL_ENTRY + ), + + TP_fast_assign( + LOCAL_ASSIGN; + ), + + TP_printk( + LOCAL_PR_FMT, LOCAL_PR_ARG + ) +); + /* * Tracing for internal functions * (which may also be called in response to driver calls) diff --git a/net/mac80211/ieee80211_i.h b/net/mac80211/ieee80211_i.h index 72499fe5fc36..c47d7c0e48a4 100644 --- a/net/mac80211/ieee80211_i.h +++ b/net/mac80211/ieee80211_i.h @@ -23,6 +23,7 @@ #include <linux/types.h> #include <linux/spinlock.h> #include <linux/etherdevice.h> +#include <linux/leds.h> #include <net/ieee80211_radiotap.h> #include <net/cfg80211.h> #include <net/mac80211.h> @@ -167,6 +168,7 @@ typedef unsigned __bitwise__ ieee80211_rx_result; * @IEEE80211_RX_FRAGMENTED: fragmented frame * @IEEE80211_RX_AMSDU: a-MSDU packet * @IEEE80211_RX_MALFORMED_ACTION_FRM: action frame is malformed + * @IEEE80211_RX_DEFERRED_RELEASE: frame was subjected to receive reordering * * These are per-frame flags that are attached to a frame in the * @rx_flags field of &struct ieee80211_rx_status. @@ -177,6 +179,7 @@ enum ieee80211_packet_rx_flags { IEEE80211_RX_FRAGMENTED = BIT(2), IEEE80211_RX_AMSDU = BIT(3), IEEE80211_RX_MALFORMED_ACTION_FRM = BIT(4), + IEEE80211_RX_DEFERRED_RELEASE = BIT(5), }; /** @@ -484,6 +487,8 @@ struct ieee80211_if_mesh { struct mesh_config mshcfg; u32 mesh_seqnum; bool accepting_plinks; + const u8 *vendor_ie; + u8 vendor_ie_len; }; #ifdef CONFIG_MAC80211_MESH @@ -557,7 +562,7 @@ struct ieee80211_sub_if_data { unsigned int fragment_next; struct ieee80211_key *keys[NUM_DEFAULT_KEYS + NUM_DEFAULT_MGMT_KEYS]; - struct ieee80211_key *default_key; + struct ieee80211_key *default_unicast_key, *default_multicast_key; struct ieee80211_key *default_mgmt_key; u16 sequence_number; @@ -585,9 +590,7 @@ struct ieee80211_sub_if_data { struct ieee80211_if_vlan vlan; struct ieee80211_if_managed mgd; struct ieee80211_if_ibss ibss; -#ifdef CONFIG_MAC80211_MESH struct ieee80211_if_mesh mesh; -#endif u32 mntr_flags; } u; @@ -595,7 +598,8 @@ struct ieee80211_sub_if_data { struct { struct dentry *dir; struct dentry *subdir_stations; - struct dentry *default_key; + struct dentry *default_unicast_key; + struct dentry *default_multicast_key; struct dentry *default_mgmt_key; } debugfs; #endif @@ -629,6 +633,20 @@ enum queue_stop_reason { IEEE80211_QUEUE_STOP_REASON_SKB_ADD, }; +#ifdef CONFIG_MAC80211_LEDS +struct tpt_led_trigger { + struct led_trigger trig; + char name[32]; + const struct ieee80211_tpt_blink *blink_table; + unsigned int blink_table_len; + struct timer_list timer; + unsigned long prev_traffic; + unsigned long tx_bytes, rx_bytes; + unsigned int active, want; + bool running; +}; +#endif + /** * mac80211 scan flags - currently active scan mode * @@ -758,6 +776,15 @@ struct ieee80211_local { struct sk_buff_head skb_queue; struct sk_buff_head skb_queue_unreliable; + /* + * Internal FIFO queue which is shared between multiple rx path + * stages. Its main task is to provide a serialization mechanism, + * so all rx handlers can enjoy having exclusive access to their + * private data structures. + */ + struct sk_buff_head rx_skb_queue; + bool running_rx_handler; /* protected by rx_skb_queue.lock */ + /* Station data */ /* * The mutex only protects the list and counter, @@ -837,6 +864,7 @@ struct ieee80211_local { #ifdef CONFIG_MAC80211_LEDS int tx_led_counter, rx_led_counter; struct led_trigger *tx_led, *rx_led, *assoc_led, *radio_led; + struct tpt_led_trigger *tpt_led_trigger; char tx_led_name[32], rx_led_name[32], assoc_led_name[32], radio_led_name[32]; #endif @@ -923,6 +951,15 @@ struct ieee80211_local { } debugfs; #endif + struct ieee80211_channel *hw_roc_channel; + struct net_device *hw_roc_dev; + struct sk_buff *hw_roc_skb; + struct work_struct hw_roc_start, hw_roc_done; + enum nl80211_channel_type hw_roc_channel_type; + unsigned int hw_roc_duration; + u32 hw_roc_cookie; + bool hw_roc_for_tx; + /* dummy netdev for use w/ NAPI */ struct net_device napi_dev; @@ -1114,6 +1151,7 @@ void ieee80211_offchannel_stop_beaconing(struct ieee80211_local *local); void ieee80211_offchannel_stop_station(struct ieee80211_local *local); void ieee80211_offchannel_return(struct ieee80211_local *local, bool enable_beaconing); +void ieee80211_hw_roc_setup(struct ieee80211_local *local); /* interface handling */ int ieee80211_iface_init(void); diff --git a/net/mac80211/iface.c b/net/mac80211/iface.c index f0f11bb794af..8acba456744e 100644 --- a/net/mac80211/iface.c +++ b/net/mac80211/iface.c @@ -220,6 +220,8 @@ static int ieee80211_do_open(struct net_device *dev, bool coming_up) /* we're brought up, everything changes */ hw_reconf_flags = ~0; ieee80211_led_radio(local, true); + ieee80211_mod_tpt_led_trig(local, + IEEE80211_TPT_LEDTRIG_FL_RADIO, 0); } /* @@ -1262,8 +1264,9 @@ u32 __ieee80211_recalc_idle(struct ieee80211_local *local) { struct ieee80211_sub_if_data *sdata; int count = 0; - bool working = false, scanning = false; + bool working = false, scanning = false, hw_roc = false; struct ieee80211_work *wk; + unsigned int led_trig_start = 0, led_trig_stop = 0; #ifdef CONFIG_PROVE_LOCKING WARN_ON(debug_locks && !lockdep_rtnl_is_held() && @@ -1305,6 +1308,9 @@ u32 __ieee80211_recalc_idle(struct ieee80211_local *local) local->scan_sdata->vif.bss_conf.idle = false; } + if (local->hw_roc_channel) + hw_roc = true; + list_for_each_entry(sdata, &local->interfaces, list) { if (sdata->old_idle == sdata->vif.bss_conf.idle) continue; @@ -1313,6 +1319,20 @@ u32 __ieee80211_recalc_idle(struct ieee80211_local *local) ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_IDLE); } + if (working || scanning || hw_roc) + led_trig_start |= IEEE80211_TPT_LEDTRIG_FL_WORK; + else + led_trig_stop |= IEEE80211_TPT_LEDTRIG_FL_WORK; + + if (count) + led_trig_start |= IEEE80211_TPT_LEDTRIG_FL_CONNECTED; + else + led_trig_stop |= IEEE80211_TPT_LEDTRIG_FL_CONNECTED; + + ieee80211_mod_tpt_led_trig(local, led_trig_start, led_trig_stop); + + if (hw_roc) + return ieee80211_idle_off(local, "hw remain-on-channel"); if (working) return ieee80211_idle_off(local, "working"); if (scanning) diff --git a/net/mac80211/key.c b/net/mac80211/key.c index 72df1ca7299b..8c02469b7176 100644 --- a/net/mac80211/key.c +++ b/net/mac80211/key.c @@ -30,19 +30,20 @@ * keys and per-station keys. Since each station belongs to an interface, * each station key also belongs to that interface. * - * Hardware acceleration is done on a best-effort basis, for each key - * that is eligible the hardware is asked to enable that key but if - * it cannot do that they key is simply kept for software encryption. - * There is currently no way of knowing this except by looking into - * debugfs. + * Hardware acceleration is done on a best-effort basis for algorithms + * that are implemented in software, for each key the hardware is asked + * to enable that key for offloading but if it cannot do that the key is + * simply kept for software encryption (unless it is for an algorithm + * that isn't implemented in software). + * There is currently no way of knowing whether a key is handled in SW + * or HW except by looking into debugfs. * - * All key operations are protected internally. - * - * Within mac80211, key references are, just as STA structure references, - * protected by RCU. Note, however, that some things are unprotected, - * namely the key->sta dereferences within the hardware acceleration - * functions. This means that sta_info_destroy() must remove the key - * which waits for an RCU grace period. + * All key management is internally protected by a mutex. Within all + * other parts of mac80211, key references are, just as STA structure + * references, protected by RCU. Note, however, that some things are + * unprotected, namely the key->sta dereferences within the hardware + * acceleration functions. This means that sta_info_destroy() must + * remove the key which waits for an RCU grace period. */ static const u8 bcast_addr[ETH_ALEN] = { 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF }; @@ -178,7 +179,7 @@ void ieee80211_key_removed(struct ieee80211_key_conf *key_conf) EXPORT_SYMBOL_GPL(ieee80211_key_removed); static void __ieee80211_set_default_key(struct ieee80211_sub_if_data *sdata, - int idx) + int idx, bool uni, bool multi) { struct ieee80211_key *key = NULL; @@ -187,18 +188,19 @@ static void __ieee80211_set_default_key(struct ieee80211_sub_if_data *sdata, if (idx >= 0 && idx < NUM_DEFAULT_KEYS) key = sdata->keys[idx]; - rcu_assign_pointer(sdata->default_key, key); + if (uni) + rcu_assign_pointer(sdata->default_unicast_key, key); + if (multi) + rcu_assign_pointer(sdata->default_multicast_key, key); - if (key) { - ieee80211_debugfs_key_remove_default(key->sdata); - ieee80211_debugfs_key_add_default(key->sdata); - } + ieee80211_debugfs_key_update_default(sdata); } -void ieee80211_set_default_key(struct ieee80211_sub_if_data *sdata, int idx) +void ieee80211_set_default_key(struct ieee80211_sub_if_data *sdata, int idx, + bool uni, bool multi) { mutex_lock(&sdata->local->key_mtx); - __ieee80211_set_default_key(sdata, idx); + __ieee80211_set_default_key(sdata, idx, uni, multi); mutex_unlock(&sdata->local->key_mtx); } @@ -215,10 +217,7 @@ __ieee80211_set_default_mgmt_key(struct ieee80211_sub_if_data *sdata, int idx) rcu_assign_pointer(sdata->default_mgmt_key, key); - if (key) { - ieee80211_debugfs_key_remove_mgmt_default(key->sdata); - ieee80211_debugfs_key_add_mgmt_default(key->sdata); - } + ieee80211_debugfs_key_update_default(sdata); } void ieee80211_set_default_mgmt_key(struct ieee80211_sub_if_data *sdata, @@ -236,7 +235,8 @@ static void __ieee80211_key_replace(struct ieee80211_sub_if_data *sdata, struct ieee80211_key *old, struct ieee80211_key *new) { - int idx, defkey, defmgmtkey; + int idx; + bool defunikey, defmultikey, defmgmtkey; if (new) list_add(&new->list, &sdata->key_list); @@ -257,29 +257,31 @@ static void __ieee80211_key_replace(struct ieee80211_sub_if_data *sdata, else idx = new->conf.keyidx; - defkey = old && sdata->default_key == old; + defunikey = old && sdata->default_unicast_key == old; + defmultikey = old && sdata->default_multicast_key == old; defmgmtkey = old && sdata->default_mgmt_key == old; - if (defkey && !new) - __ieee80211_set_default_key(sdata, -1); + if (defunikey && !new) + __ieee80211_set_default_key(sdata, -1, true, false); + if (defmultikey && !new) + __ieee80211_set_default_key(sdata, -1, false, true); if (defmgmtkey && !new) __ieee80211_set_default_mgmt_key(sdata, -1); rcu_assign_pointer(sdata->keys[idx], new); - if (defkey && new) - __ieee80211_set_default_key(sdata, new->conf.keyidx); + if (defunikey && new) + __ieee80211_set_default_key(sdata, new->conf.keyidx, + true, false); + if (defmultikey && new) + __ieee80211_set_default_key(sdata, new->conf.keyidx, + false, true); if (defmgmtkey && new) __ieee80211_set_default_mgmt_key(sdata, new->conf.keyidx); } - if (old) { - /* - * We'll use an empty list to indicate that the key - * has already been removed. - */ - list_del_init(&old->list); - } + if (old) + list_del(&old->list); } struct ieee80211_key *ieee80211_key_alloc(u32 cipher, int idx, size_t key_len, @@ -373,6 +375,12 @@ static void __ieee80211_key_destroy(struct ieee80211_key *key) if (!key) return; + /* + * Synchronize so the TX path can no longer be using + * this key before we free/remove it. + */ + synchronize_rcu(); + if (key->local) ieee80211_key_disable_hw_accel(key); @@ -414,8 +422,8 @@ int ieee80211_key_link(struct ieee80211_key *key, struct sta_info *ap; /* - * We're getting a sta pointer in, - * so must be under RCU read lock. + * We're getting a sta pointer in, so must be under + * appropriate locking for sta_info_get(). */ /* same here, the AP could be using QoS */ @@ -509,11 +517,12 @@ void ieee80211_free_keys(struct ieee80211_sub_if_data *sdata) mutex_lock(&sdata->local->key_mtx); - ieee80211_debugfs_key_remove_default(sdata); ieee80211_debugfs_key_remove_mgmt_default(sdata); list_for_each_entry_safe(key, tmp, &sdata->key_list, list) __ieee80211_key_free(key); + ieee80211_debugfs_key_update_default(sdata); + mutex_unlock(&sdata->local->key_mtx); } diff --git a/net/mac80211/key.h b/net/mac80211/key.h index 0db1c0f5f697..8106aa1b7466 100644 --- a/net/mac80211/key.h +++ b/net/mac80211/key.h @@ -138,7 +138,8 @@ int __must_check ieee80211_key_link(struct ieee80211_key *key, struct sta_info *sta); void ieee80211_key_free(struct ieee80211_local *local, struct ieee80211_key *key); -void ieee80211_set_default_key(struct ieee80211_sub_if_data *sdata, int idx); +void ieee80211_set_default_key(struct ieee80211_sub_if_data *sdata, int idx, + bool uni, bool multi); void ieee80211_set_default_mgmt_key(struct ieee80211_sub_if_data *sdata, int idx); void ieee80211_free_keys(struct ieee80211_sub_if_data *sdata); diff --git a/net/mac80211/led.c b/net/mac80211/led.c index 063aad944246..14590332c81c 100644 --- a/net/mac80211/led.c +++ b/net/mac80211/led.c @@ -54,12 +54,22 @@ void ieee80211_led_radio(struct ieee80211_local *local, bool enabled) led_trigger_event(local->radio_led, LED_OFF); } +void ieee80211_led_names(struct ieee80211_local *local) +{ + snprintf(local->rx_led_name, sizeof(local->rx_led_name), + "%srx", wiphy_name(local->hw.wiphy)); + snprintf(local->tx_led_name, sizeof(local->tx_led_name), + "%stx", wiphy_name(local->hw.wiphy)); + snprintf(local->assoc_led_name, sizeof(local->assoc_led_name), + "%sassoc", wiphy_name(local->hw.wiphy)); + snprintf(local->radio_led_name, sizeof(local->radio_led_name), + "%sradio", wiphy_name(local->hw.wiphy)); +} + void ieee80211_led_init(struct ieee80211_local *local) { local->rx_led = kzalloc(sizeof(struct led_trigger), GFP_KERNEL); if (local->rx_led) { - snprintf(local->rx_led_name, sizeof(local->rx_led_name), - "%srx", wiphy_name(local->hw.wiphy)); local->rx_led->name = local->rx_led_name; if (led_trigger_register(local->rx_led)) { kfree(local->rx_led); @@ -69,8 +79,6 @@ void ieee80211_led_init(struct ieee80211_local *local) local->tx_led = kzalloc(sizeof(struct led_trigger), GFP_KERNEL); if (local->tx_led) { - snprintf(local->tx_led_name, sizeof(local->tx_led_name), - "%stx", wiphy_name(local->hw.wiphy)); local->tx_led->name = local->tx_led_name; if (led_trigger_register(local->tx_led)) { kfree(local->tx_led); @@ -80,8 +88,6 @@ void ieee80211_led_init(struct ieee80211_local *local) local->assoc_led = kzalloc(sizeof(struct led_trigger), GFP_KERNEL); if (local->assoc_led) { - snprintf(local->assoc_led_name, sizeof(local->assoc_led_name), - "%sassoc", wiphy_name(local->hw.wiphy)); local->assoc_led->name = local->assoc_led_name; if (led_trigger_register(local->assoc_led)) { kfree(local->assoc_led); @@ -91,14 +97,19 @@ void ieee80211_led_init(struct ieee80211_local *local) local->radio_led = kzalloc(sizeof(struct led_trigger), GFP_KERNEL); if (local->radio_led) { - snprintf(local->radio_led_name, sizeof(local->radio_led_name), - "%sradio", wiphy_name(local->hw.wiphy)); local->radio_led->name = local->radio_led_name; if (led_trigger_register(local->radio_led)) { kfree(local->radio_led); local->radio_led = NULL; } } + + if (local->tpt_led_trigger) { + if (led_trigger_register(&local->tpt_led_trigger->trig)) { + kfree(local->tpt_led_trigger); + local->tpt_led_trigger = NULL; + } + } } void ieee80211_led_exit(struct ieee80211_local *local) @@ -119,15 +130,18 @@ void ieee80211_led_exit(struct ieee80211_local *local) led_trigger_unregister(local->rx_led); kfree(local->rx_led); } + + if (local->tpt_led_trigger) { + led_trigger_unregister(&local->tpt_led_trigger->trig); + kfree(local->tpt_led_trigger); + } } char *__ieee80211_get_radio_led_name(struct ieee80211_hw *hw) { struct ieee80211_local *local = hw_to_local(hw); - if (local->radio_led) - return local->radio_led_name; - return NULL; + return local->radio_led_name; } EXPORT_SYMBOL(__ieee80211_get_radio_led_name); @@ -135,9 +149,7 @@ char *__ieee80211_get_assoc_led_name(struct ieee80211_hw *hw) { struct ieee80211_local *local = hw_to_local(hw); - if (local->assoc_led) - return local->assoc_led_name; - return NULL; + return local->assoc_led_name; } EXPORT_SYMBOL(__ieee80211_get_assoc_led_name); @@ -145,9 +157,7 @@ char *__ieee80211_get_tx_led_name(struct ieee80211_hw *hw) { struct ieee80211_local *local = hw_to_local(hw); - if (local->tx_led) - return local->tx_led_name; - return NULL; + return local->tx_led_name; } EXPORT_SYMBOL(__ieee80211_get_tx_led_name); @@ -155,8 +165,144 @@ char *__ieee80211_get_rx_led_name(struct ieee80211_hw *hw) { struct ieee80211_local *local = hw_to_local(hw); - if (local->rx_led) - return local->rx_led_name; - return NULL; + return local->rx_led_name; } EXPORT_SYMBOL(__ieee80211_get_rx_led_name); + +static unsigned long tpt_trig_traffic(struct ieee80211_local *local, + struct tpt_led_trigger *tpt_trig) +{ + unsigned long traffic, delta; + + traffic = tpt_trig->tx_bytes + tpt_trig->rx_bytes; + + delta = traffic - tpt_trig->prev_traffic; + tpt_trig->prev_traffic = traffic; + return DIV_ROUND_UP(delta, 1024 / 8); +} + +static void tpt_trig_timer(unsigned long data) +{ + struct ieee80211_local *local = (void *)data; + struct tpt_led_trigger *tpt_trig = local->tpt_led_trigger; + struct led_classdev *led_cdev; + unsigned long on, off, tpt; + int i; + + if (!tpt_trig->running) + return; + + mod_timer(&tpt_trig->timer, round_jiffies(jiffies + HZ)); + + tpt = tpt_trig_traffic(local, tpt_trig); + + /* default to just solid on */ + on = 1; + off = 0; + + for (i = tpt_trig->blink_table_len - 1; i >= 0; i--) { + if (tpt_trig->blink_table[i].throughput < 0 || + tpt > tpt_trig->blink_table[i].throughput) { + off = tpt_trig->blink_table[i].blink_time / 2; + on = tpt_trig->blink_table[i].blink_time - off; + break; + } + } + + read_lock(&tpt_trig->trig.leddev_list_lock); + list_for_each_entry(led_cdev, &tpt_trig->trig.led_cdevs, trig_list) + led_blink_set(led_cdev, &on, &off); + read_unlock(&tpt_trig->trig.leddev_list_lock); +} + +char *__ieee80211_create_tpt_led_trigger(struct ieee80211_hw *hw, + unsigned int flags, + const struct ieee80211_tpt_blink *blink_table, + unsigned int blink_table_len) +{ + struct ieee80211_local *local = hw_to_local(hw); + struct tpt_led_trigger *tpt_trig; + + if (WARN_ON(local->tpt_led_trigger)) + return NULL; + + tpt_trig = kzalloc(sizeof(struct tpt_led_trigger), GFP_KERNEL); + if (!tpt_trig) + return NULL; + + snprintf(tpt_trig->name, sizeof(tpt_trig->name), + "%stpt", wiphy_name(local->hw.wiphy)); + + tpt_trig->trig.name = tpt_trig->name; + + tpt_trig->blink_table = blink_table; + tpt_trig->blink_table_len = blink_table_len; + tpt_trig->want = flags; + + setup_timer(&tpt_trig->timer, tpt_trig_timer, (unsigned long)local); + + local->tpt_led_trigger = tpt_trig; + + return tpt_trig->name; +} +EXPORT_SYMBOL(__ieee80211_create_tpt_led_trigger); + +static void ieee80211_start_tpt_led_trig(struct ieee80211_local *local) +{ + struct tpt_led_trigger *tpt_trig = local->tpt_led_trigger; + + if (tpt_trig->running) + return; + + /* reset traffic */ + tpt_trig_traffic(local, tpt_trig); + tpt_trig->running = true; + + tpt_trig_timer((unsigned long)local); + mod_timer(&tpt_trig->timer, round_jiffies(jiffies + HZ)); +} + +static void ieee80211_stop_tpt_led_trig(struct ieee80211_local *local) +{ + struct tpt_led_trigger *tpt_trig = local->tpt_led_trigger; + struct led_classdev *led_cdev; + + if (!tpt_trig->running) + return; + + tpt_trig->running = false; + del_timer_sync(&tpt_trig->timer); + + read_lock(&tpt_trig->trig.leddev_list_lock); + list_for_each_entry(led_cdev, &tpt_trig->trig.led_cdevs, trig_list) + led_brightness_set(led_cdev, LED_OFF); + read_unlock(&tpt_trig->trig.leddev_list_lock); +} + +void ieee80211_mod_tpt_led_trig(struct ieee80211_local *local, + unsigned int types_on, unsigned int types_off) +{ + struct tpt_led_trigger *tpt_trig = local->tpt_led_trigger; + bool allowed; + + WARN_ON(types_on & types_off); + + if (!tpt_trig) + return; + + tpt_trig->active &= ~types_off; + tpt_trig->active |= types_on; + + /* + * Regardless of wanted state, we shouldn't blink when + * the radio is disabled -- this can happen due to some + * code ordering issues with __ieee80211_recalc_idle() + * being called before the radio is started. + */ + allowed = tpt_trig->active & IEEE80211_TPT_LEDTRIG_FL_RADIO; + + if (!allowed || !(tpt_trig->active & tpt_trig->want)) + ieee80211_stop_tpt_led_trig(local); + else + ieee80211_start_tpt_led_trig(local); +} diff --git a/net/mac80211/led.h b/net/mac80211/led.h index 77b1e1ba6039..e0275d9befa8 100644 --- a/net/mac80211/led.h +++ b/net/mac80211/led.h @@ -12,14 +12,17 @@ #include "ieee80211_i.h" #ifdef CONFIG_MAC80211_LEDS -extern void ieee80211_led_rx(struct ieee80211_local *local); -extern void ieee80211_led_tx(struct ieee80211_local *local, int q); -extern void ieee80211_led_assoc(struct ieee80211_local *local, - bool associated); -extern void ieee80211_led_radio(struct ieee80211_local *local, - bool enabled); -extern void ieee80211_led_init(struct ieee80211_local *local); -extern void ieee80211_led_exit(struct ieee80211_local *local); +void ieee80211_led_rx(struct ieee80211_local *local); +void ieee80211_led_tx(struct ieee80211_local *local, int q); +void ieee80211_led_assoc(struct ieee80211_local *local, + bool associated); +void ieee80211_led_radio(struct ieee80211_local *local, + bool enabled); +void ieee80211_led_names(struct ieee80211_local *local); +void ieee80211_led_init(struct ieee80211_local *local); +void ieee80211_led_exit(struct ieee80211_local *local); +void ieee80211_mod_tpt_led_trig(struct ieee80211_local *local, + unsigned int types_on, unsigned int types_off); #else static inline void ieee80211_led_rx(struct ieee80211_local *local) { @@ -35,10 +38,36 @@ static inline void ieee80211_led_radio(struct ieee80211_local *local, bool enabled) { } +static inline void ieee80211_led_names(struct ieee80211_local *local) +{ +} static inline void ieee80211_led_init(struct ieee80211_local *local) { } static inline void ieee80211_led_exit(struct ieee80211_local *local) { } +static inline void ieee80211_mod_tpt_led_trig(struct ieee80211_local *local, + unsigned int types_on, + unsigned int types_off) +{ +} +#endif + +static inline void +ieee80211_tpt_led_trig_tx(struct ieee80211_local *local, __le16 fc, int bytes) +{ +#ifdef CONFIG_MAC80211_LEDS + if (local->tpt_led_trigger && ieee80211_is_data(fc)) + local->tpt_led_trigger->tx_bytes += bytes; +#endif +} + +static inline void +ieee80211_tpt_led_trig_rx(struct ieee80211_local *local, __le16 fc, int bytes) +{ +#ifdef CONFIG_MAC80211_LEDS + if (local->tpt_led_trigger && ieee80211_is_data(fc)) + local->tpt_led_trigger->rx_bytes += bytes; #endif +} diff --git a/net/mac80211/main.c b/net/mac80211/main.c index 973fee9f7d69..a46ff06d7cb8 100644 --- a/net/mac80211/main.c +++ b/net/mac80211/main.c @@ -39,6 +39,8 @@ module_param(ieee80211_disable_40mhz_24ghz, bool, 0644); MODULE_PARM_DESC(ieee80211_disable_40mhz_24ghz, "Disable 40MHz support in the 2.4GHz band"); +static struct lock_class_key ieee80211_rx_skb_queue_class; + void ieee80211_configure_filter(struct ieee80211_local *local) { u64 mc; @@ -484,6 +486,10 @@ ieee80211_default_mgmt_stypes[NUM_NL80211_IFTYPES] = { BIT(IEEE80211_STYPE_DEAUTH >> 4) | BIT(IEEE80211_STYPE_ACTION >> 4), }, + [NL80211_IFTYPE_MESH_POINT] = { + .tx = 0xffff, + .rx = BIT(IEEE80211_STYPE_ACTION >> 4), + }, }; struct ieee80211_hw *ieee80211_alloc_hw(size_t priv_data_len, @@ -517,10 +523,15 @@ struct ieee80211_hw *ieee80211_alloc_hw(size_t priv_data_len, wiphy->mgmt_stypes = ieee80211_default_mgmt_stypes; + wiphy->privid = mac80211_wiphy_privid; + wiphy->flags |= WIPHY_FLAG_NETNS_OK | WIPHY_FLAG_4ADDR_AP | - WIPHY_FLAG_4ADDR_STATION; - wiphy->privid = mac80211_wiphy_privid; + WIPHY_FLAG_4ADDR_STATION | + WIPHY_FLAG_SUPPORTS_SEPARATE_DEFAULT_KEYS; + + if (!ops->set_key) + wiphy->flags |= WIPHY_FLAG_IBSS_RSN; wiphy->bss_priv_size = sizeof(struct ieee80211_bss); @@ -560,6 +571,16 @@ struct ieee80211_hw *ieee80211_alloc_hw(size_t priv_data_len, spin_lock_init(&local->filter_lock); spin_lock_init(&local->queue_stop_reason_lock); + /* + * The rx_skb_queue is only accessed from tasklets, + * but other SKB queues are used from within IRQ + * context. Therefore, this one needs a different + * locking class so our direct, non-irq-safe use of + * the queue's lock doesn't throw lockdep warnings. + */ + skb_queue_head_init_class(&local->rx_skb_queue, + &ieee80211_rx_skb_queue_class); + INIT_DELAYED_WORK(&local->scan_work, ieee80211_scan_work); ieee80211_work_init(local); @@ -596,6 +617,10 @@ struct ieee80211_hw *ieee80211_alloc_hw(size_t priv_data_len, /* init dummy netdev for use w/ NAPI */ init_dummy_netdev(&local->napi_dev); + ieee80211_led_names(local); + + ieee80211_hw_roc_setup(local); + return local_to_hw(local); } EXPORT_SYMBOL(ieee80211_alloc_hw); @@ -740,6 +765,9 @@ int ieee80211_register_hw(struct ieee80211_hw *hw) } } + if (!local->ops->remain_on_channel) + local->hw.wiphy->max_remain_on_channel_duration = 5000; + result = wiphy_register(local->hw.wiphy); if (result < 0) goto fail_wiphy_register; @@ -901,6 +929,7 @@ void ieee80211_unregister_hw(struct ieee80211_hw *hw) wiphy_warn(local->hw.wiphy, "skb_queue not empty\n"); skb_queue_purge(&local->skb_queue); skb_queue_purge(&local->skb_queue_unreliable); + skb_queue_purge(&local->rx_skb_queue); destroy_workqueue(local->workqueue); wiphy_unregister(local->hw.wiphy); diff --git a/net/mac80211/mesh.c b/net/mac80211/mesh.c index 63e1188d5062..ca3af4685b0a 100644 --- a/net/mac80211/mesh.c +++ b/net/mac80211/mesh.c @@ -124,15 +124,6 @@ void mesh_accept_plinks_update(struct ieee80211_sub_if_data *sdata) ieee80211_mesh_housekeeping_timer((unsigned long) sdata); } -void mesh_ids_set_default(struct ieee80211_if_mesh *sta) -{ - sta->mesh_pp_id = 0; /* HWMP */ - sta->mesh_pm_id = 0; /* Airtime */ - sta->mesh_cc_id = 0; /* Disabled */ - sta->mesh_sp_id = 0; /* Neighbor Offset */ - sta->mesh_auth_id = 0; /* Disabled */ -} - int mesh_rmc_init(struct ieee80211_sub_if_data *sdata) { int i; @@ -287,6 +278,13 @@ void mesh_mgmt_ies_add(struct sk_buff *skb, struct ieee80211_sub_if_data *sdata) *pos++ |= sdata->u.mesh.accepting_plinks ? MESHCONF_CAPAB_ACCEPT_PLINKS : 0x00; *pos++ = 0x00; + + if (sdata->u.mesh.vendor_ie) { + int len = sdata->u.mesh.vendor_ie_len; + const u8 *data = sdata->u.mesh.vendor_ie; + if (skb_tailroom(skb) > len) + memcpy(skb_put(skb, len), data, len); + } } u32 mesh_table_hash(u8 *addr, struct ieee80211_sub_if_data *sdata, struct mesh_table *tbl) @@ -412,39 +410,33 @@ int ieee80211_fill_mesh_addresses(struct ieee80211_hdr *hdr, __le16 *fc, * ieee80211_new_mesh_header - create a new mesh header * @meshhdr: uninitialized mesh header * @sdata: mesh interface to be used - * @addr4: addr4 of the mesh frame (1st in ae header) - * may be NULL - * @addr5: addr5 of the mesh frame (1st or 2nd in ae header) - * may be NULL unless addr6 is present - * @addr6: addr6 of the mesh frame (2nd or 3rd in ae header) - * may be NULL unless addr5 is present + * @addr4or5: 1st address in the ae header, which may correspond to address 4 + * (if addr6 is NULL) or address 5 (if addr6 is present). It may + * be NULL. + * @addr6: 2nd address in the ae header, which corresponds to addr6 of the + * mesh frame * * Return the header length. */ int ieee80211_new_mesh_header(struct ieee80211s_hdr *meshhdr, - struct ieee80211_sub_if_data *sdata, char *addr4, - char *addr5, char *addr6) + struct ieee80211_sub_if_data *sdata, char *addr4or5, + char *addr6) { int aelen = 0; + BUG_ON(!addr4or5 && addr6); memset(meshhdr, 0, sizeof(*meshhdr)); meshhdr->ttl = sdata->u.mesh.mshcfg.dot11MeshTTL; put_unaligned(cpu_to_le32(sdata->u.mesh.mesh_seqnum), &meshhdr->seqnum); sdata->u.mesh.mesh_seqnum++; - if (addr4) { + if (addr4or5 && !addr6) { meshhdr->flags |= MESH_FLAGS_AE_A4; aelen += ETH_ALEN; - memcpy(meshhdr->eaddr1, addr4, ETH_ALEN); - } - if (addr5 && addr6) { + memcpy(meshhdr->eaddr1, addr4or5, ETH_ALEN); + } else if (addr4or5 && addr6) { meshhdr->flags |= MESH_FLAGS_AE_A5_A6; aelen += 2 * ETH_ALEN; - if (!addr4) { - memcpy(meshhdr->eaddr1, addr5, ETH_ALEN); - memcpy(meshhdr->eaddr2, addr6, ETH_ALEN); - } else { - memcpy(meshhdr->eaddr2, addr5, ETH_ALEN); - memcpy(meshhdr->eaddr3, addr6, ETH_ALEN); - } + memcpy(meshhdr->eaddr1, addr4or5, ETH_ALEN); + memcpy(meshhdr->eaddr2, addr6, ETH_ALEN); } return 6 + aelen; } @@ -518,6 +510,9 @@ void ieee80211_start_mesh(struct ieee80211_sub_if_data *sdata) atomic_inc(&local->iff_allmultis); ieee80211_configure_filter(local); + ifmsh->mesh_cc_id = 0; /* Disabled */ + ifmsh->mesh_sp_id = 0; /* Neighbor Offset */ + ifmsh->mesh_auth_id = 0; /* Disabled */ set_bit(MESH_WORK_HOUSEKEEPING, &ifmsh->wrkq_flags); ieee80211_mesh_root_setup(ifmsh); ieee80211_queue_work(&local->hw, &sdata->work); @@ -688,7 +683,6 @@ void ieee80211_mesh_init_sdata(struct ieee80211_sub_if_data *sdata) /* Allocate all mesh structures when creating the first mesh interface. */ if (!mesh_allocated) ieee80211s_init(); - mesh_ids_set_default(ifmsh); setup_timer(&ifmsh->mesh_path_timer, ieee80211_mesh_path_timer, (unsigned long) sdata); diff --git a/net/mac80211/mesh.h b/net/mac80211/mesh.h index 039d7fa0af74..b99e230fe31c 100644 --- a/net/mac80211/mesh.h +++ b/net/mac80211/mesh.h @@ -164,17 +164,6 @@ struct mesh_rmc { }; -/* - * MESH_CFG_COMP_LEN Includes: - * - Active path selection protocol ID. - * - Active path selection metric ID. - * - Congestion control mode identifier. - * - Channel precedence. - * Does not include mesh capabilities, which may vary across nodes in the same - * mesh - */ -#define MESH_CFG_CMP_LEN (IEEE80211_MESH_CONFIG_LEN - 2) - #define MESH_DEFAULT_BEACON_INTERVAL 1000 /* in 1024 us units */ #define MESH_PATH_EXPIRE (600 * HZ) @@ -198,8 +187,8 @@ struct mesh_rmc { int ieee80211_fill_mesh_addresses(struct ieee80211_hdr *hdr, __le16 *fc, const u8 *da, const u8 *sa); int ieee80211_new_mesh_header(struct ieee80211s_hdr *meshhdr, - struct ieee80211_sub_if_data *sdata, char *addr4, - char *addr5, char *addr6); + struct ieee80211_sub_if_data *sdata, char *addr4or5, + char *addr6); int mesh_rmc_check(u8 *addr, struct ieee80211s_hdr *mesh_hdr, struct ieee80211_sub_if_data *sdata); bool mesh_matches_local(struct ieee802_11_elems *ie, @@ -295,6 +284,11 @@ static inline void mesh_path_activate(struct mesh_path *mpath) mpath->flags |= MESH_PATH_ACTIVE | MESH_PATH_RESOLVED; } +static inline bool mesh_path_sel_is_hwmp(struct ieee80211_sub_if_data *sdata) +{ + return sdata->u.mesh.mesh_pp_id == IEEE80211_PATH_PROTOCOL_HWMP; +} + #define for_each_mesh_entry(x, p, node, i) \ for (i = 0; i <= x->hash_mask; i++) \ hlist_for_each_entry_rcu(node, p, &x->hash_buckets[i], list) @@ -315,6 +309,8 @@ static inline void ieee80211_mesh_restart(struct ieee80211_sub_if_data *sdata) {} static inline void mesh_plink_quiesce(struct sta_info *sta) {} static inline void mesh_plink_restart(struct sta_info *sta) {} +static inline bool mesh_path_sel_is_hwmp(struct ieee80211_sub_if_data *sdata) +{ return false; } #endif #endif /* IEEE80211S_H */ diff --git a/net/mac80211/mesh_plink.c b/net/mac80211/mesh_plink.c index 1c91f0f3c307..44b53931ba5e 100644 --- a/net/mac80211/mesh_plink.c +++ b/net/mac80211/mesh_plink.c @@ -160,7 +160,8 @@ static int mesh_plink_frame_tx(struct ieee80211_sub_if_data *sdata, enum plink_frame_type action, u8 *da, __le16 llid, __le16 plid, __le16 reason) { struct ieee80211_local *local = sdata->local; - struct sk_buff *skb = dev_alloc_skb(local->hw.extra_tx_headroom + 400); + struct sk_buff *skb = dev_alloc_skb(local->hw.extra_tx_headroom + 400 + + sdata->u.mesh.vendor_ie_len); struct ieee80211_mgmt *mgmt; bool include_plid = false; static const u8 meshpeeringproto[] = { 0x00, 0x0F, 0xAC, 0x2A }; diff --git a/net/mac80211/offchannel.c b/net/mac80211/offchannel.c index 4b564091e51d..b4e52676f3fb 100644 --- a/net/mac80211/offchannel.c +++ b/net/mac80211/offchannel.c @@ -14,6 +14,7 @@ */ #include <net/mac80211.h> #include "ieee80211_i.h" +#include "driver-trace.h" /* * inform AP that we will go to sleep so that it will buffer the frames @@ -190,3 +191,87 @@ void ieee80211_offchannel_return(struct ieee80211_local *local, } mutex_unlock(&local->iflist_mtx); } + +static void ieee80211_hw_roc_start(struct work_struct *work) +{ + struct ieee80211_local *local = + container_of(work, struct ieee80211_local, hw_roc_start); + struct ieee80211_sub_if_data *sdata; + + mutex_lock(&local->mtx); + + if (!local->hw_roc_channel) { + mutex_unlock(&local->mtx); + return; + } + + ieee80211_recalc_idle(local); + + if (local->hw_roc_skb) { + sdata = IEEE80211_DEV_TO_SUB_IF(local->hw_roc_dev); + ieee80211_tx_skb(sdata, local->hw_roc_skb); + local->hw_roc_skb = NULL; + } else { + cfg80211_ready_on_channel(local->hw_roc_dev, + local->hw_roc_cookie, + local->hw_roc_channel, + local->hw_roc_channel_type, + local->hw_roc_duration, + GFP_KERNEL); + } + + mutex_unlock(&local->mtx); +} + +void ieee80211_ready_on_channel(struct ieee80211_hw *hw) +{ + struct ieee80211_local *local = hw_to_local(hw); + + trace_api_ready_on_channel(local); + + ieee80211_queue_work(hw, &local->hw_roc_start); +} +EXPORT_SYMBOL_GPL(ieee80211_ready_on_channel); + +static void ieee80211_hw_roc_done(struct work_struct *work) +{ + struct ieee80211_local *local = + container_of(work, struct ieee80211_local, hw_roc_done); + + mutex_lock(&local->mtx); + + if (!local->hw_roc_channel) { + mutex_unlock(&local->mtx); + return; + } + + if (!local->hw_roc_for_tx) + cfg80211_remain_on_channel_expired(local->hw_roc_dev, + local->hw_roc_cookie, + local->hw_roc_channel, + local->hw_roc_channel_type, + GFP_KERNEL); + + local->hw_roc_channel = NULL; + local->hw_roc_cookie = 0; + + ieee80211_recalc_idle(local); + + mutex_unlock(&local->mtx); +} + +void ieee80211_remain_on_channel_expired(struct ieee80211_hw *hw) +{ + struct ieee80211_local *local = hw_to_local(hw); + + trace_api_remain_on_channel_expired(local); + + ieee80211_queue_work(hw, &local->hw_roc_done); +} +EXPORT_SYMBOL_GPL(ieee80211_remain_on_channel_expired); + +void ieee80211_hw_roc_setup(struct ieee80211_local *local) +{ + INIT_WORK(&local->hw_roc_start, ieee80211_hw_roc_start); + INIT_WORK(&local->hw_roc_done, ieee80211_hw_roc_done); +} diff --git a/net/mac80211/rc80211_minstrel_ht.c b/net/mac80211/rc80211_minstrel_ht.c index 4ad7a362fcc1..165a4518bb48 100644 --- a/net/mac80211/rc80211_minstrel_ht.c +++ b/net/mac80211/rc80211_minstrel_ht.c @@ -374,7 +374,7 @@ minstrel_aggr_check(struct minstrel_priv *mp, struct ieee80211_sta *pubsta, stru if (skb_get_queue_mapping(skb) == IEEE80211_AC_VO) return; - ieee80211_start_tx_ba_session(pubsta, tid); + ieee80211_start_tx_ba_session(pubsta, tid, 5000); } static void diff --git a/net/mac80211/rx.c b/net/mac80211/rx.c index 2fe8f5f86499..a6701ed87f0d 100644 --- a/net/mac80211/rx.c +++ b/net/mac80211/rx.c @@ -533,10 +533,11 @@ static inline u16 seq_sub(u16 sq1, u16 sq2) static void ieee80211_release_reorder_frame(struct ieee80211_hw *hw, struct tid_ampdu_rx *tid_agg_rx, - int index, - struct sk_buff_head *frames) + int index) { + struct ieee80211_local *local = hw_to_local(hw); struct sk_buff *skb = tid_agg_rx->reorder_buf[index]; + struct ieee80211_rx_status *status; lockdep_assert_held(&tid_agg_rx->reorder_lock); @@ -546,7 +547,9 @@ static void ieee80211_release_reorder_frame(struct ieee80211_hw *hw, /* release the frame from the reorder ring buffer */ tid_agg_rx->stored_mpdu_num--; tid_agg_rx->reorder_buf[index] = NULL; - __skb_queue_tail(frames, skb); + status = IEEE80211_SKB_RXCB(skb); + status->rx_flags |= IEEE80211_RX_DEFERRED_RELEASE; + skb_queue_tail(&local->rx_skb_queue, skb); no_frame: tid_agg_rx->head_seq_num = seq_inc(tid_agg_rx->head_seq_num); @@ -554,8 +557,7 @@ no_frame: static void ieee80211_release_reorder_frames(struct ieee80211_hw *hw, struct tid_ampdu_rx *tid_agg_rx, - u16 head_seq_num, - struct sk_buff_head *frames) + u16 head_seq_num) { int index; @@ -564,7 +566,7 @@ static void ieee80211_release_reorder_frames(struct ieee80211_hw *hw, while (seq_less(tid_agg_rx->head_seq_num, head_seq_num)) { index = seq_sub(tid_agg_rx->head_seq_num, tid_agg_rx->ssn) % tid_agg_rx->buf_size; - ieee80211_release_reorder_frame(hw, tid_agg_rx, index, frames); + ieee80211_release_reorder_frame(hw, tid_agg_rx, index); } } @@ -580,8 +582,7 @@ static void ieee80211_release_reorder_frames(struct ieee80211_hw *hw, #define HT_RX_REORDER_BUF_TIMEOUT (HZ / 10) static void ieee80211_sta_reorder_release(struct ieee80211_hw *hw, - struct tid_ampdu_rx *tid_agg_rx, - struct sk_buff_head *frames) + struct tid_ampdu_rx *tid_agg_rx) { int index, j; @@ -612,8 +613,7 @@ static void ieee80211_sta_reorder_release(struct ieee80211_hw *hw, wiphy_debug(hw->wiphy, "release an RX reorder frame due to timeout on earlier frames\n"); #endif - ieee80211_release_reorder_frame(hw, tid_agg_rx, - j, frames); + ieee80211_release_reorder_frame(hw, tid_agg_rx, j); /* * Increment the head seq# also for the skipped slots. @@ -623,31 +623,11 @@ static void ieee80211_sta_reorder_release(struct ieee80211_hw *hw, skipped = 0; } } else while (tid_agg_rx->reorder_buf[index]) { - ieee80211_release_reorder_frame(hw, tid_agg_rx, index, frames); + ieee80211_release_reorder_frame(hw, tid_agg_rx, index); index = seq_sub(tid_agg_rx->head_seq_num, tid_agg_rx->ssn) % tid_agg_rx->buf_size; } - /* - * Disable the reorder release timer for now. - * - * The current implementation lacks a proper locking scheme - * which would protect vital statistic and debug counters - * from being updated by two different but concurrent BHs. - * - * More information about the topic is available from: - * - thread: http://marc.info/?t=128635927000001 - * - * What was wrong: - * => http://marc.info/?l=linux-wireless&m=128636170811964 - * "Basically the thing is that until your patch, the data - * in the struct didn't actually need locking because it - * was accessed by the RX path only which is not concurrent." - * - * List of what needs to be fixed: - * => http://marc.info/?l=linux-wireless&m=128656352920957 - * - if (tid_agg_rx->stored_mpdu_num) { j = index = seq_sub(tid_agg_rx->head_seq_num, tid_agg_rx->ssn) % tid_agg_rx->buf_size; @@ -666,10 +646,6 @@ static void ieee80211_sta_reorder_release(struct ieee80211_hw *hw, } else { del_timer(&tid_agg_rx->reorder_timer); } - */ - -set_release_timer: - return; } /* @@ -679,8 +655,7 @@ set_release_timer: */ static bool ieee80211_sta_manage_reorder_buf(struct ieee80211_hw *hw, struct tid_ampdu_rx *tid_agg_rx, - struct sk_buff *skb, - struct sk_buff_head *frames) + struct sk_buff *skb) { struct ieee80211_hdr *hdr = (struct ieee80211_hdr *) skb->data; u16 sc = le16_to_cpu(hdr->seq_ctrl); @@ -707,8 +682,7 @@ static bool ieee80211_sta_manage_reorder_buf(struct ieee80211_hw *hw, if (!seq_less(mpdu_seq_num, head_seq_num + buf_size)) { head_seq_num = seq_inc(seq_sub(mpdu_seq_num, buf_size)); /* release stored frames up to new head to stack */ - ieee80211_release_reorder_frames(hw, tid_agg_rx, head_seq_num, - frames); + ieee80211_release_reorder_frames(hw, tid_agg_rx, head_seq_num); } /* Now the new frame is always in the range of the reordering buffer */ @@ -736,7 +710,7 @@ static bool ieee80211_sta_manage_reorder_buf(struct ieee80211_hw *hw, tid_agg_rx->reorder_buf[index] = skb; tid_agg_rx->reorder_time[index] = jiffies; tid_agg_rx->stored_mpdu_num++; - ieee80211_sta_reorder_release(hw, tid_agg_rx, frames); + ieee80211_sta_reorder_release(hw, tid_agg_rx); out: spin_unlock(&tid_agg_rx->reorder_lock); @@ -747,8 +721,7 @@ static bool ieee80211_sta_manage_reorder_buf(struct ieee80211_hw *hw, * Reorder MPDUs from A-MPDUs, keeping them on a buffer. Returns * true if the MPDU was buffered, false if it should be processed. */ -static void ieee80211_rx_reorder_ampdu(struct ieee80211_rx_data *rx, - struct sk_buff_head *frames) +static void ieee80211_rx_reorder_ampdu(struct ieee80211_rx_data *rx) { struct sk_buff *skb = rx->skb; struct ieee80211_local *local = rx->local; @@ -803,11 +776,11 @@ static void ieee80211_rx_reorder_ampdu(struct ieee80211_rx_data *rx, * sure that we cannot get to it any more before doing * anything with it. */ - if (ieee80211_sta_manage_reorder_buf(hw, tid_agg_rx, skb, frames)) + if (ieee80211_sta_manage_reorder_buf(hw, tid_agg_rx, skb)) return; dont_reorder: - __skb_queue_tail(frames, skb); + skb_queue_tail(&local->rx_skb_queue, skb); } static ieee80211_rx_result debug_noinline @@ -955,12 +928,31 @@ ieee80211_rx_h_decrypt(struct ieee80211_rx_data *rx) * have been expected. */ struct ieee80211_key *key = NULL; + struct ieee80211_sub_if_data *sdata = rx->sdata; + int i; + if (ieee80211_is_mgmt(fc) && is_multicast_ether_addr(hdr->addr1) && (key = rcu_dereference(rx->sdata->default_mgmt_key))) rx->key = key; - else if ((key = rcu_dereference(rx->sdata->default_key))) - rx->key = key; + else { + if (rx->sta) { + for (i = 0; i < NUM_DEFAULT_KEYS; i++) { + key = rcu_dereference(rx->sta->gtk[i]); + if (key) + break; + } + } + if (!key) { + for (i = 0; i < NUM_DEFAULT_KEYS; i++) { + key = rcu_dereference(sdata->keys[i]); + if (key) + break; + } + } + if (key) + rx->key = key; + } return RX_CONTINUE; } else { u8 keyid; @@ -1170,6 +1162,7 @@ ieee80211_rx_h_sta_process(struct ieee80211_rx_data *rx) * exchange sequence. */ if (!ieee80211_has_morefrags(hdr->frame_control) && + !(status->rx_flags & IEEE80211_RX_DEFERRED_RELEASE) && (rx->sdata->vif.type == NL80211_IFTYPE_AP || rx->sdata->vif.type == NL80211_IFTYPE_AP_VLAN)) { if (test_sta_flags(sta, WLAN_STA_PS_STA)) { @@ -1521,12 +1514,30 @@ ieee80211_drop_unencrypted_mgmt(struct ieee80211_rx_data *rx) if (rx->sta && test_sta_flags(rx->sta, WLAN_STA_MFP)) { if (unlikely(!ieee80211_has_protected(fc) && ieee80211_is_unicast_robust_mgmt_frame(rx->skb) && - rx->key)) + rx->key)) { + if (ieee80211_is_deauth(fc)) + cfg80211_send_unprot_deauth(rx->sdata->dev, + rx->skb->data, + rx->skb->len); + else if (ieee80211_is_disassoc(fc)) + cfg80211_send_unprot_disassoc(rx->sdata->dev, + rx->skb->data, + rx->skb->len); return -EACCES; + } /* BIP does not use Protected field, so need to check MMIE */ if (unlikely(ieee80211_is_multicast_robust_mgmt_frame(rx->skb) && - ieee80211_get_mmie_keyidx(rx->skb) < 0)) + ieee80211_get_mmie_keyidx(rx->skb) < 0)) { + if (ieee80211_is_deauth(fc)) + cfg80211_send_unprot_deauth(rx->sdata->dev, + rx->skb->data, + rx->skb->len); + else if (ieee80211_is_disassoc(fc)) + cfg80211_send_unprot_disassoc(rx->sdata->dev, + rx->skb->data, + rx->skb->len); return -EACCES; + } /* * When using MFP, Action frames are not allowed prior to * having configured keys. @@ -1797,6 +1808,8 @@ ieee80211_rx_h_mesh_fwding(struct ieee80211_rx_data *rx) if (!fwd_skb && net_ratelimit()) printk(KERN_DEBUG "%s: failed to clone mesh frame\n", sdata->name); + if (!fwd_skb) + goto out; fwd_hdr = (struct ieee80211_hdr *) fwd_skb->data; memcpy(fwd_hdr->addr2, sdata->vif.addr, ETH_ALEN); @@ -1834,6 +1847,7 @@ ieee80211_rx_h_mesh_fwding(struct ieee80211_rx_data *rx) } } + out: if (is_multicast_ether_addr(hdr->addr1) || sdata->dev->flags & IFF_PROMISC) return RX_CONTINUE; @@ -1890,7 +1904,7 @@ ieee80211_rx_h_data(struct ieee80211_rx_data *rx) } static ieee80211_rx_result debug_noinline -ieee80211_rx_h_ctrl(struct ieee80211_rx_data *rx, struct sk_buff_head *frames) +ieee80211_rx_h_ctrl(struct ieee80211_rx_data *rx) { struct ieee80211_local *local = rx->local; struct ieee80211_hw *hw = &local->hw; @@ -1930,8 +1944,7 @@ ieee80211_rx_h_ctrl(struct ieee80211_rx_data *rx, struct sk_buff_head *frames) spin_lock(&tid_agg_rx->reorder_lock); /* release stored frames up to start of BAR */ - ieee80211_release_reorder_frames(hw, tid_agg_rx, start_seq_num, - frames); + ieee80211_release_reorder_frames(hw, tid_agg_rx, start_seq_num); spin_unlock(&tid_agg_rx->reorder_lock); kfree_skb(skb); @@ -2124,10 +2137,13 @@ ieee80211_rx_h_action(struct ieee80211_rx_data *rx) } break; case WLAN_CATEGORY_MESH_PLINK: - case WLAN_CATEGORY_MESH_PATH_SEL: if (!ieee80211_vif_is_mesh(&sdata->vif)) break; goto queue; + case WLAN_CATEGORY_MESH_PATH_SEL: + if (!mesh_path_sel_is_hwmp(sdata)) + break; + goto queue; } return RX_CONTINUE; @@ -2445,8 +2461,7 @@ static void ieee80211_rx_handlers_result(struct ieee80211_rx_data *rx, } } -static void ieee80211_rx_handlers(struct ieee80211_rx_data *rx, - struct sk_buff_head *frames) +static void ieee80211_rx_handlers(struct ieee80211_rx_data *rx) { ieee80211_rx_result res = RX_DROP_MONITOR; struct sk_buff *skb; @@ -2458,7 +2473,15 @@ static void ieee80211_rx_handlers(struct ieee80211_rx_data *rx, goto rxh_next; \ } while (0); - while ((skb = __skb_dequeue(frames))) { + spin_lock(&rx->local->rx_skb_queue.lock); + if (rx->local->running_rx_handler) + goto unlock; + + rx->local->running_rx_handler = true; + + while ((skb = __skb_dequeue(&rx->local->rx_skb_queue))) { + spin_unlock(&rx->local->rx_skb_queue.lock); + /* * all the other fields are valid across frames * that belong to an aMPDU since they are on the @@ -2481,12 +2504,7 @@ static void ieee80211_rx_handlers(struct ieee80211_rx_data *rx, CALL_RXH(ieee80211_rx_h_mesh_fwding); #endif CALL_RXH(ieee80211_rx_h_data) - - /* special treatment -- needs the queue */ - res = ieee80211_rx_h_ctrl(rx, frames); - if (res != RX_CONTINUE) - goto rxh_next; - + CALL_RXH(ieee80211_rx_h_ctrl); CALL_RXH(ieee80211_rx_h_mgmt_check) CALL_RXH(ieee80211_rx_h_action) CALL_RXH(ieee80211_rx_h_userspace_mgmt) @@ -2495,18 +2513,20 @@ static void ieee80211_rx_handlers(struct ieee80211_rx_data *rx, rxh_next: ieee80211_rx_handlers_result(rx, res); - + spin_lock(&rx->local->rx_skb_queue.lock); #undef CALL_RXH } + + rx->local->running_rx_handler = false; + + unlock: + spin_unlock(&rx->local->rx_skb_queue.lock); } static void ieee80211_invoke_rx_handlers(struct ieee80211_rx_data *rx) { - struct sk_buff_head reorder_release; ieee80211_rx_result res = RX_DROP_MONITOR; - __skb_queue_head_init(&reorder_release); - #define CALL_RXH(rxh) \ do { \ res = rxh(rx); \ @@ -2517,9 +2537,9 @@ static void ieee80211_invoke_rx_handlers(struct ieee80211_rx_data *rx) CALL_RXH(ieee80211_rx_h_passive_scan) CALL_RXH(ieee80211_rx_h_check) - ieee80211_rx_reorder_ampdu(rx, &reorder_release); + ieee80211_rx_reorder_ampdu(rx); - ieee80211_rx_handlers(rx, &reorder_release); + ieee80211_rx_handlers(rx); return; rxh_next: @@ -2534,7 +2554,6 @@ static void ieee80211_invoke_rx_handlers(struct ieee80211_rx_data *rx) */ void ieee80211_release_reorder_timeout(struct sta_info *sta, int tid) { - struct sk_buff_head frames; struct ieee80211_rx_data rx = { .sta = sta, .sdata = sta->sdata, @@ -2547,13 +2566,11 @@ void ieee80211_release_reorder_timeout(struct sta_info *sta, int tid) if (!tid_agg_rx) return; - __skb_queue_head_init(&frames); - spin_lock(&tid_agg_rx->reorder_lock); - ieee80211_sta_reorder_release(&sta->local->hw, tid_agg_rx, &frames); + ieee80211_sta_reorder_release(&sta->local->hw, tid_agg_rx); spin_unlock(&tid_agg_rx->reorder_lock); - ieee80211_rx_handlers(&rx, &frames); + ieee80211_rx_handlers(&rx); } /* main receive path */ @@ -2888,6 +2905,9 @@ void ieee80211_rx(struct ieee80211_hw *hw, struct sk_buff *skb) return; } + ieee80211_tpt_led_trig_rx(local, + ((struct ieee80211_hdr *)skb->data)->frame_control, + skb->len); __ieee80211_rx_handle_packet(hw, skb); rcu_read_unlock(); diff --git a/net/mac80211/sta_info.h b/net/mac80211/sta_info.h index fdca52cf88de..bbdd2a86a94b 100644 --- a/net/mac80211/sta_info.h +++ b/net/mac80211/sta_info.h @@ -78,6 +78,7 @@ enum ieee80211_sta_info_flags { * @addba_resp_timer: timer for peer's response to addba request * @pending: pending frames queue -- use sta's spinlock to protect * @dialog_token: dialog token for aggregation session + * @timeout: session timeout value to be filled in ADDBA requests * @state: session state (see above) * @stop_initiator: initiator of a session stop * @tx_stop: TX DelBA frame when stopping @@ -96,6 +97,7 @@ struct tid_ampdu_tx { struct timer_list addba_resp_timer; struct sk_buff_head pending; unsigned long state; + u16 timeout; u8 dialog_token; u8 stop_initiator; bool tx_stop; diff --git a/net/mac80211/tx.c b/net/mac80211/tx.c index 0ee56bb0ea7e..b64b42bc774b 100644 --- a/net/mac80211/tx.c +++ b/net/mac80211/tx.c @@ -539,7 +539,11 @@ ieee80211_tx_h_select_key(struct ieee80211_tx_data *tx) ieee80211_is_robust_mgmt_frame(hdr) && (key = rcu_dereference(tx->sdata->default_mgmt_key))) tx->key = key; - else if ((key = rcu_dereference(tx->sdata->default_key))) + else if (is_multicast_ether_addr(hdr->addr1) && + (key = rcu_dereference(tx->sdata->default_multicast_key))) + tx->key = key; + else if (!is_multicast_ether_addr(hdr->addr1) && + (key = rcu_dereference(tx->sdata->default_unicast_key))) tx->key = key; else if (tx->sdata->drop_unencrypted && (tx->skb->protocol != tx->sdata->control_port_protocol) && @@ -1293,6 +1297,7 @@ static int __ieee80211_tx(struct ieee80211_local *local, while (skb) { int q = skb_get_queue_mapping(skb); + __le16 fc; spin_lock_irqsave(&local->queue_stop_reason_lock, flags); ret = IEEE80211_TX_OK; @@ -1335,6 +1340,7 @@ static int __ieee80211_tx(struct ieee80211_local *local, else info->control.sta = NULL; + fc = ((struct ieee80211_hdr *)skb->data)->frame_control; ret = drv_tx(local, skb); if (WARN_ON(ret != NETDEV_TX_OK && skb->len != len)) { dev_kfree_skb(skb); @@ -1345,6 +1351,7 @@ static int __ieee80211_tx(struct ieee80211_local *local, return IEEE80211_TX_AGAIN; } + ieee80211_tpt_led_trig_tx(local, fc, len); *skbp = skb = next; ieee80211_led_tx(local, 1); fragm = true; @@ -1542,8 +1549,10 @@ static int ieee80211_skb_resize(struct ieee80211_local *local, if (skb_header_cloned(skb)) I802_DEBUG_INC(local->tx_expand_skb_head_cloned); - else + else if (head_need || tail_need) I802_DEBUG_INC(local->tx_expand_skb_head); + else + return 0; if (pskb_expand_head(skb, head_need, tail_need, GFP_ATOMIC)) { wiphy_debug(local->hw.wiphy, @@ -1735,12 +1744,13 @@ netdev_tx_t ieee80211_subif_start_xmit(struct sk_buff *skb, { struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); struct ieee80211_local *local = sdata->local; - struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb); + struct ieee80211_tx_info *info; int ret = NETDEV_TX_BUSY, head_need; u16 ethertype, hdrlen, meshhdrlen = 0; __le16 fc; struct ieee80211_hdr hdr; struct ieee80211s_hdr mesh_hdr __maybe_unused; + struct mesh_path *mppath = NULL; const u8 *encaps_data; int encaps_len, skip_header_bytes; int nh_pos, h_pos; @@ -1801,16 +1811,23 @@ netdev_tx_t ieee80211_subif_start_xmit(struct sk_buff *skb, ret = NETDEV_TX_OK; goto fail; } + if (!is_multicast_ether_addr(skb->data)) + mppath = mpp_path_lookup(skb->data, sdata); + /* + * Do not use address extension, if it is a packet from + * the same interface and the destination is not being + * proxied by any other mest point. + */ if (compare_ether_addr(sdata->vif.addr, - skb->data + ETH_ALEN) == 0) { + skb->data + ETH_ALEN) == 0 && + (!mppath || !compare_ether_addr(mppath->mpp, skb->data))) { hdrlen = ieee80211_fill_mesh_addresses(&hdr, &fc, skb->data, skb->data + ETH_ALEN); meshhdrlen = ieee80211_new_mesh_header(&mesh_hdr, - sdata, NULL, NULL, NULL); + sdata, NULL, NULL); } else { /* packet from other interface */ - struct mesh_path *mppath; int is_mesh_mcast = 1; const u8 *mesh_da; @@ -1821,8 +1838,6 @@ netdev_tx_t ieee80211_subif_start_xmit(struct sk_buff *skb, else { static const u8 bcast[ETH_ALEN] = { 0xff, 0xff, 0xff, 0xff, 0xff, 0xff }; - - mppath = mpp_path_lookup(skb->data, sdata); if (mppath) { /* RA TA mDA mSA AE:DA SA */ mesh_da = mppath->mpp; @@ -1840,13 +1855,11 @@ netdev_tx_t ieee80211_subif_start_xmit(struct sk_buff *skb, ieee80211_new_mesh_header(&mesh_hdr, sdata, skb->data + ETH_ALEN, - NULL, NULL); else meshhdrlen = ieee80211_new_mesh_header(&mesh_hdr, sdata, - NULL, skb->data, skb->data + ETH_ALEN); @@ -1930,7 +1943,7 @@ netdev_tx_t ieee80211_subif_start_xmit(struct sk_buff *skb, */ if (skb_shared(skb)) { tmp_skb = skb; - skb = skb_copy(skb, GFP_ATOMIC); + skb = skb_clone(skb, GFP_ATOMIC); kfree_skb(tmp_skb); if (!skb) { @@ -2026,6 +2039,7 @@ netdev_tx_t ieee80211_subif_start_xmit(struct sk_buff *skb, skb_set_network_header(skb, nh_pos); skb_set_transport_header(skb, h_pos); + info = IEEE80211_SKB_CB(skb); memset(info, 0, sizeof(*info)); dev->trans_start = jiffies; @@ -2216,6 +2230,9 @@ struct sk_buff *ieee80211_beacon_get_tim(struct ieee80211_hw *hw, sdata = vif_to_sdata(vif); + if (!ieee80211_sdata_running(sdata)) + goto out; + if (tim_offset) *tim_offset = 0; if (tim_length) @@ -2286,7 +2303,8 @@ struct sk_buff *ieee80211_beacon_get_tim(struct ieee80211_hw *hw, u8 *pos; /* headroom, head length, tail length and maximum TIM length */ - skb = dev_alloc_skb(local->tx_headroom + 400); + skb = dev_alloc_skb(local->tx_headroom + 400 + + sdata->u.mesh.vendor_ie_len); if (!skb) goto out; diff --git a/net/mac80211/util.c b/net/mac80211/util.c index e497476174ce..cf68700abffa 100644 --- a/net/mac80211/util.c +++ b/net/mac80211/util.c @@ -1116,6 +1116,7 @@ u32 ieee80211_sta_get_rates(struct ieee80211_local *local, void ieee80211_stop_device(struct ieee80211_local *local) { ieee80211_led_radio(local, false); + ieee80211_mod_tpt_led_trig(local, 0, IEEE80211_TPT_LEDTRIG_FL_RADIO); cancel_work_sync(&local->reconfig_filter); @@ -1150,6 +1151,8 @@ int ieee80211_reconfig(struct ieee80211_local *local) } ieee80211_led_radio(local, true); + ieee80211_mod_tpt_led_trig(local, + IEEE80211_TPT_LEDTRIG_FL_RADIO, 0); } /* add interfaces */ diff --git a/net/mac80211/wme.c b/net/mac80211/wme.c index 58e75bbc1f91..28bc084dbfb9 100644 --- a/net/mac80211/wme.c +++ b/net/mac80211/wme.c @@ -59,26 +59,22 @@ u16 ieee80211_select_queue(struct ieee80211_sub_if_data *sdata, { struct ieee80211_local *local = sdata->local; struct sta_info *sta = NULL; - u32 sta_flags = 0; const u8 *ra = NULL; bool qos = false; if (local->hw.queues < 4 || skb->len < 6) { skb->priority = 0; /* required for correct WPA/11i MIC */ - return min_t(u16, local->hw.queues - 1, - ieee802_1d_to_ac[skb->priority]); + return min_t(u16, local->hw.queues - 1, IEEE80211_AC_BE); } rcu_read_lock(); switch (sdata->vif.type) { case NL80211_IFTYPE_AP_VLAN: - rcu_read_lock(); sta = rcu_dereference(sdata->u.vlan.sta); - if (sta) - sta_flags = get_sta_flags(sta); - rcu_read_unlock(); - if (sta) + if (sta) { + qos = get_sta_flags(sta) & WLAN_STA_WME; break; + } case NL80211_IFTYPE_AP: ra = skb->data; break; @@ -107,17 +103,13 @@ u16 ieee80211_select_queue(struct ieee80211_sub_if_data *sdata, if (!sta && ra && !is_multicast_ether_addr(ra)) { sta = sta_info_get(sdata, ra); if (sta) - sta_flags = get_sta_flags(sta); + qos = get_sta_flags(sta) & WLAN_STA_WME; } - - if (sta_flags & WLAN_STA_WME) - qos = true; - rcu_read_unlock(); if (!qos) { skb->priority = 0; /* required for correct WPA/11i MIC */ - return ieee802_1d_to_ac[skb->priority]; + return IEEE80211_AC_BE; } /* use the data classifier to determine what 802.1d tag the diff --git a/net/netfilter/ipvs/ip_vs_ctl.c b/net/netfilter/ipvs/ip_vs_ctl.c index c6f293639220..22f7ad5101ab 100644 --- a/net/netfilter/ipvs/ip_vs_ctl.c +++ b/net/netfilter/ipvs/ip_vs_ctl.c @@ -3430,7 +3430,7 @@ void ip_vs_control_cleanup(void) { EnterFunction(2); ip_vs_trash_cleanup(); - cancel_rearming_delayed_work(&defense_work); + cancel_delayed_work_sync(&defense_work); cancel_work_sync(&defense_work.work); ip_vs_kill_estimator(&ip_vs_stats); unregister_sysctl_table(sysctl_header); diff --git a/net/netfilter/nf_conntrack_core.c b/net/netfilter/nf_conntrack_core.c index 27a5ea6b6a0f..e61511929c66 100644 --- a/net/netfilter/nf_conntrack_core.c +++ b/net/netfilter/nf_conntrack_core.c @@ -65,7 +65,7 @@ EXPORT_SYMBOL_GPL(nf_conntrack_max); DEFINE_PER_CPU(struct nf_conn, nf_conntrack_untracked); EXPORT_PER_CPU_SYMBOL(nf_conntrack_untracked); -static unsigned int nf_conntrack_hash_rnd __read_mostly; +unsigned int nf_conntrack_hash_rnd __read_mostly; static u32 hash_conntrack_raw(const struct nf_conntrack_tuple *tuple, u16 zone) { @@ -596,6 +596,21 @@ static noinline int early_drop(struct net *net, unsigned int hash) return dropped; } +void init_nf_conntrack_hash_rnd(void) +{ + unsigned int rand; + + /* + * Why not initialize nf_conntrack_rnd in a "init()" function ? + * Because there isn't enough entropy when system initializing, + * and we initialize it as late as possible. + */ + do { + get_random_bytes(&rand, sizeof(rand)); + } while (!rand); + cmpxchg(&nf_conntrack_hash_rnd, 0, rand); +} + static struct nf_conn * __nf_conntrack_alloc(struct net *net, u16 zone, const struct nf_conntrack_tuple *orig, @@ -605,18 +620,7 @@ __nf_conntrack_alloc(struct net *net, u16 zone, struct nf_conn *ct; if (unlikely(!nf_conntrack_hash_rnd)) { - unsigned int rand; - - /* - * Why not initialize nf_conntrack_rnd in a "init()" function ? - * Because there isn't enough entropy when system initializing, - * and we initialize it as late as possible. - */ - do { - get_random_bytes(&rand, sizeof(rand)); - } while (!rand); - cmpxchg(&nf_conntrack_hash_rnd, 0, rand); - + init_nf_conntrack_hash_rnd(); /* recompute the hash as nf_conntrack_hash_rnd is initialized */ hash = hash_conntrack_raw(orig, zone); } diff --git a/net/netfilter/nf_conntrack_expect.c b/net/netfilter/nf_conntrack_expect.c index 46e8966912b1..a20fb0bd1efe 100644 --- a/net/netfilter/nf_conntrack_expect.c +++ b/net/netfilter/nf_conntrack_expect.c @@ -32,9 +32,7 @@ unsigned int nf_ct_expect_hsize __read_mostly; EXPORT_SYMBOL_GPL(nf_ct_expect_hsize); -static unsigned int nf_ct_expect_hash_rnd __read_mostly; unsigned int nf_ct_expect_max __read_mostly; -static int nf_ct_expect_hash_rnd_initted __read_mostly; static struct kmem_cache *nf_ct_expect_cachep __read_mostly; @@ -77,15 +75,13 @@ static unsigned int nf_ct_expect_dst_hash(const struct nf_conntrack_tuple *tuple { unsigned int hash; - if (unlikely(!nf_ct_expect_hash_rnd_initted)) { - get_random_bytes(&nf_ct_expect_hash_rnd, - sizeof(nf_ct_expect_hash_rnd)); - nf_ct_expect_hash_rnd_initted = 1; + if (unlikely(!nf_conntrack_hash_rnd)) { + init_nf_conntrack_hash_rnd(); } hash = jhash2(tuple->dst.u3.all, ARRAY_SIZE(tuple->dst.u3.all), (((tuple->dst.protonum ^ tuple->src.l3num) << 16) | - (__force __u16)tuple->dst.u.all) ^ nf_ct_expect_hash_rnd); + (__force __u16)tuple->dst.u.all) ^ nf_conntrack_hash_rnd); return ((u64)hash * nf_ct_expect_hsize) >> 32; } diff --git a/net/netfilter/nf_conntrack_netlink.c b/net/netfilter/nf_conntrack_netlink.c index b729ace1dcc1..93297aaceb2b 100644 --- a/net/netfilter/nf_conntrack_netlink.c +++ b/net/netfilter/nf_conntrack_netlink.c @@ -254,7 +254,7 @@ ctnetlink_dump_secctx(struct sk_buff *skb, const struct nf_conn *ct) ret = security_secid_to_secctx(ct->secmark, &secctx, &len); if (ret) - return ret; + return 0; ret = -1; nest_secctx = nla_nest_start(skb, CTA_SECCTX | NLA_F_NESTED); @@ -453,16 +453,22 @@ ctnetlink_counters_size(const struct nf_conn *ct) ; } -#ifdef CONFIG_NF_CONNTRACK_SECMARK -static int ctnetlink_nlmsg_secctx_size(const struct nf_conn *ct) +static inline int +ctnetlink_secctx_size(const struct nf_conn *ct) { - int len; +#ifdef CONFIG_NF_CONNTRACK_SECMARK + int len, ret; - security_secid_to_secctx(ct->secmark, NULL, &len); + ret = security_secid_to_secctx(ct->secmark, NULL, &len); + if (ret) + return 0; - return sizeof(char) * len; -} + return nla_total_size(0) /* CTA_SECCTX */ + + nla_total_size(sizeof(char) * len); /* CTA_SECCTX_NAME */ +#else + return 0; #endif +} static inline size_t ctnetlink_nlmsg_size(const struct nf_conn *ct) @@ -479,10 +485,7 @@ ctnetlink_nlmsg_size(const struct nf_conn *ct) + nla_total_size(0) /* CTA_PROTOINFO */ + nla_total_size(0) /* CTA_HELP */ + nla_total_size(NF_CT_HELPER_NAME_LEN) /* CTA_HELP_NAME */ -#ifdef CONFIG_NF_CONNTRACK_SECMARK - + nla_total_size(0) /* CTA_SECCTX */ - + nla_total_size(ctnetlink_nlmsg_secctx_size(ct)) /* CTA_SECCTX_NAME */ -#endif + + ctnetlink_secctx_size(ct) #ifdef CONFIG_NF_NAT_NEEDED + 2 * nla_total_size(0) /* CTA_NAT_SEQ_ADJ_ORIG|REPL */ + 6 * nla_total_size(sizeof(u_int32_t)) /* CTA_NAT_SEQ_OFFSET */ @@ -642,25 +645,23 @@ ctnetlink_dump_table(struct sk_buff *skb, struct netlink_callback *cb) struct nfgenmsg *nfmsg = nlmsg_data(cb->nlh); u_int8_t l3proto = nfmsg->nfgen_family; - rcu_read_lock(); + spin_lock_bh(&nf_conntrack_lock); last = (struct nf_conn *)cb->args[1]; for (; cb->args[0] < net->ct.htable_size; cb->args[0]++) { restart: - hlist_nulls_for_each_entry_rcu(h, n, &net->ct.hash[cb->args[0]], + hlist_nulls_for_each_entry(h, n, &net->ct.hash[cb->args[0]], hnnode) { if (NF_CT_DIRECTION(h) != IP_CT_DIR_ORIGINAL) continue; ct = nf_ct_tuplehash_to_ctrack(h); - if (!atomic_inc_not_zero(&ct->ct_general.use)) - continue; /* Dump entries of a given L3 protocol number. * If it is not specified, ie. l3proto == 0, * then dump everything. */ if (l3proto && nf_ct_l3num(ct) != l3proto) - goto releasect; + continue; if (cb->args[1]) { if (ct != last) - goto releasect; + continue; cb->args[1] = 0; } if (ctnetlink_fill_info(skb, NETLINK_CB(cb->skb).pid, @@ -678,8 +679,6 @@ restart: if (acct) memset(acct, 0, sizeof(struct nf_conn_counter[IP_CT_DIR_MAX])); } -releasect: - nf_ct_put(ct); } if (cb->args[1]) { cb->args[1] = 0; @@ -687,7 +686,7 @@ releasect: } } out: - rcu_read_unlock(); + spin_unlock_bh(&nf_conntrack_lock); if (last) nf_ct_put(last); @@ -973,7 +972,8 @@ ctnetlink_get_conntrack(struct sock *ctnl, struct sk_buff *skb, free: kfree_skb(skb2); out: - return err; + /* this avoids a loop in nfnetlink. */ + return err == -EAGAIN ? -ENOBUFS : err; } #ifdef CONFIG_NF_NAT_NEEDED diff --git a/net/netfilter/nf_conntrack_standalone.c b/net/netfilter/nf_conntrack_standalone.c index 0fb65705b44b..b4d7f0f24b27 100644 --- a/net/netfilter/nf_conntrack_standalone.c +++ b/net/netfilter/nf_conntrack_standalone.c @@ -118,7 +118,7 @@ static int ct_show_secctx(struct seq_file *s, const struct nf_conn *ct) ret = security_secid_to_secctx(ct->secmark, &secctx, &len); if (ret) - return ret; + return 0; ret = seq_printf(s, "secctx=%s ", secctx); diff --git a/net/netfilter/x_tables.c b/net/netfilter/x_tables.c index 80463507420e..c94237631077 100644 --- a/net/netfilter/x_tables.c +++ b/net/netfilter/x_tables.c @@ -1325,7 +1325,8 @@ static int __init xt_init(void) for_each_possible_cpu(i) { struct xt_info_lock *lock = &per_cpu(xt_info_locks, i); - spin_lock_init(&lock->lock); + + seqlock_init(&lock->lock); lock->readers = 0; } diff --git a/net/phonet/af_phonet.c b/net/phonet/af_phonet.c index fd95beb72f5d..1072b2c19d31 100644 --- a/net/phonet/af_phonet.c +++ b/net/phonet/af_phonet.c @@ -37,7 +37,7 @@ /* Transport protocol registration */ static struct phonet_protocol *proto_tab[PHONET_NPROTO] __read_mostly; -static struct phonet_protocol *phonet_proto_get(int protocol) +static struct phonet_protocol *phonet_proto_get(unsigned int protocol) { struct phonet_protocol *pp; @@ -458,7 +458,7 @@ static struct packet_type phonet_packet_type __read_mostly = { static DEFINE_MUTEX(proto_tab_lock); -int __init_or_module phonet_proto_register(int protocol, +int __init_or_module phonet_proto_register(unsigned int protocol, struct phonet_protocol *pp) { int err = 0; @@ -481,7 +481,7 @@ int __init_or_module phonet_proto_register(int protocol, } EXPORT_SYMBOL(phonet_proto_register); -void phonet_proto_unregister(int protocol, struct phonet_protocol *pp) +void phonet_proto_unregister(unsigned int protocol, struct phonet_protocol *pp) { mutex_lock(&proto_tab_lock); BUG_ON(proto_tab[protocol] != pp); diff --git a/net/rfkill/Kconfig b/net/rfkill/Kconfig index eaf765876458..7fce6dfd2180 100644 --- a/net/rfkill/Kconfig +++ b/net/rfkill/Kconfig @@ -18,7 +18,7 @@ config RFKILL_LEDS default y config RFKILL_INPUT - bool "RF switch input support" if EMBEDDED + bool "RF switch input support" if EXPERT depends on RFKILL depends on INPUT = y || RFKILL = INPUT - default y if !EMBEDDED + default y if !EXPERT diff --git a/net/rxrpc/af_rxrpc.c b/net/rxrpc/af_rxrpc.c index 0b9bb2085ce4..74c064c0dfdd 100644 --- a/net/rxrpc/af_rxrpc.c +++ b/net/rxrpc/af_rxrpc.c @@ -808,7 +808,7 @@ static int __init af_rxrpc_init(void) goto error_call_jar; } - rxrpc_workqueue = create_workqueue("krxrpcd"); + rxrpc_workqueue = alloc_workqueue("krxrpcd", 0, 1); if (!rxrpc_workqueue) { printk(KERN_NOTICE "RxRPC: Failed to allocate work queue\n"); goto error_work_queue; diff --git a/net/sched/Kconfig b/net/sched/Kconfig index a36270a994d7..f04d4a484d53 100644 --- a/net/sched/Kconfig +++ b/net/sched/Kconfig @@ -24,7 +24,7 @@ menuconfig NET_SCHED To administer these schedulers, you'll need the user-level utilities from the package iproute2+tc at <ftp://ftp.tux.org/pub/net/ip-routing/>. That package also contains some documentation; for more, check out - <http://linux-net.osdl.org/index.php/Iproute2>. + <http://www.linuxfoundation.org/collaborate/workgroups/networking/iproute2>. This Quality of Service (QoS) support will enable you to use Differentiated Services (diffserv) and Resource Reservation Protocol diff --git a/net/sched/act_csum.c b/net/sched/act_csum.c index 67dc7ce9b63a..83ddfc07e45d 100644 --- a/net/sched/act_csum.c +++ b/net/sched/act_csum.c @@ -508,8 +508,7 @@ static int tcf_csum(struct sk_buff *skb, spin_lock(&p->tcf_lock); p->tcf_tm.lastuse = jiffies; - p->tcf_bstats.bytes += qdisc_pkt_len(skb); - p->tcf_bstats.packets++; + bstats_update(&p->tcf_bstats, skb); action = p->tcf_action; update_flags = p->update_flags; spin_unlock(&p->tcf_lock); diff --git a/net/sched/act_ipt.c b/net/sched/act_ipt.c index 8daef9632255..c2a7c20e81c1 100644 --- a/net/sched/act_ipt.c +++ b/net/sched/act_ipt.c @@ -209,8 +209,7 @@ static int tcf_ipt(struct sk_buff *skb, struct tc_action *a, spin_lock(&ipt->tcf_lock); ipt->tcf_tm.lastuse = jiffies; - ipt->tcf_bstats.bytes += qdisc_pkt_len(skb); - ipt->tcf_bstats.packets++; + bstats_update(&ipt->tcf_bstats, skb); /* yes, we have to worry about both in and out dev worry later - danger - this API seems to have changed diff --git a/net/sched/act_mirred.c b/net/sched/act_mirred.c index 0c311be92827..d765067e99db 100644 --- a/net/sched/act_mirred.c +++ b/net/sched/act_mirred.c @@ -165,8 +165,7 @@ static int tcf_mirred(struct sk_buff *skb, struct tc_action *a, spin_lock(&m->tcf_lock); m->tcf_tm.lastuse = jiffies; - m->tcf_bstats.bytes += qdisc_pkt_len(skb); - m->tcf_bstats.packets++; + bstats_update(&m->tcf_bstats, skb); dev = m->tcfm_dev; if (!dev) { diff --git a/net/sched/act_nat.c b/net/sched/act_nat.c index 186eb837e600..178a4bd7b7cb 100644 --- a/net/sched/act_nat.c +++ b/net/sched/act_nat.c @@ -125,8 +125,7 @@ static int tcf_nat(struct sk_buff *skb, struct tc_action *a, egress = p->flags & TCA_NAT_FLAG_EGRESS; action = p->tcf_action; - p->tcf_bstats.bytes += qdisc_pkt_len(skb); - p->tcf_bstats.packets++; + bstats_update(&p->tcf_bstats, skb); spin_unlock(&p->tcf_lock); diff --git a/net/sched/act_pedit.c b/net/sched/act_pedit.c index a0593c9640db..445bef716f77 100644 --- a/net/sched/act_pedit.c +++ b/net/sched/act_pedit.c @@ -187,8 +187,7 @@ static int tcf_pedit(struct sk_buff *skb, struct tc_action *a, bad: p->tcf_qstats.overlimits++; done: - p->tcf_bstats.bytes += qdisc_pkt_len(skb); - p->tcf_bstats.packets++; + bstats_update(&p->tcf_bstats, skb); spin_unlock(&p->tcf_lock); return p->tcf_action; } diff --git a/net/sched/act_police.c b/net/sched/act_police.c index 7ebf7439b478..e2f08b1e2e58 100644 --- a/net/sched/act_police.c +++ b/net/sched/act_police.c @@ -298,8 +298,7 @@ static int tcf_act_police(struct sk_buff *skb, struct tc_action *a, spin_lock(&police->tcf_lock); - police->tcf_bstats.bytes += qdisc_pkt_len(skb); - police->tcf_bstats.packets++; + bstats_update(&police->tcf_bstats, skb); if (police->tcfp_ewma_rate && police->tcf_rate_est.bps >= police->tcfp_ewma_rate) { diff --git a/net/sched/act_simple.c b/net/sched/act_simple.c index 97e84f3ee775..7287cff7af3e 100644 --- a/net/sched/act_simple.c +++ b/net/sched/act_simple.c @@ -42,8 +42,7 @@ static int tcf_simp(struct sk_buff *skb, struct tc_action *a, struct tcf_result spin_lock(&d->tcf_lock); d->tcf_tm.lastuse = jiffies; - d->tcf_bstats.bytes += qdisc_pkt_len(skb); - d->tcf_bstats.packets++; + bstats_update(&d->tcf_bstats, skb); /* print policy string followed by _ then packet count * Example if this was the 3rd packet and the string was "hello" diff --git a/net/sched/act_skbedit.c b/net/sched/act_skbedit.c index 66cbf4eb8855..836f5fee9e58 100644 --- a/net/sched/act_skbedit.c +++ b/net/sched/act_skbedit.c @@ -46,8 +46,7 @@ static int tcf_skbedit(struct sk_buff *skb, struct tc_action *a, spin_lock(&d->tcf_lock); d->tcf_tm.lastuse = jiffies; - d->tcf_bstats.bytes += qdisc_pkt_len(skb); - d->tcf_bstats.packets++; + bstats_update(&d->tcf_bstats, skb); if (d->flags & SKBEDIT_F_PRIORITY) skb->priority = d->priority; diff --git a/net/sched/sch_atm.c b/net/sched/sch_atm.c index 282540778aa8..943d733409d0 100644 --- a/net/sched/sch_atm.c +++ b/net/sched/sch_atm.c @@ -422,10 +422,8 @@ drop: __maybe_unused } return ret; } - sch->bstats.bytes += qdisc_pkt_len(skb); - sch->bstats.packets++; - flow->bstats.bytes += qdisc_pkt_len(skb); - flow->bstats.packets++; + qdisc_bstats_update(sch, skb); + bstats_update(&flow->bstats, skb); /* * Okay, this may seem weird. We pretend we've dropped the packet if * it goes via ATM. The reason for this is that the outer qdisc diff --git a/net/sched/sch_cbq.c b/net/sched/sch_cbq.c index eb7631590865..5f63ec58942c 100644 --- a/net/sched/sch_cbq.c +++ b/net/sched/sch_cbq.c @@ -390,8 +390,6 @@ cbq_enqueue(struct sk_buff *skb, struct Qdisc *sch) ret = qdisc_enqueue(skb, cl->q); if (ret == NET_XMIT_SUCCESS) { sch->q.qlen++; - sch->bstats.packets++; - sch->bstats.bytes += qdisc_pkt_len(skb); cbq_mark_toplevel(q, cl); if (!cl->next_alive) cbq_activate_class(cl); @@ -650,8 +648,6 @@ static int cbq_reshape_fail(struct sk_buff *skb, struct Qdisc *child) ret = qdisc_enqueue(skb, cl->q); if (ret == NET_XMIT_SUCCESS) { sch->q.qlen++; - sch->bstats.packets++; - sch->bstats.bytes += qdisc_pkt_len(skb); if (!cl->next_alive) cbq_activate_class(cl); return 0; @@ -973,6 +969,7 @@ cbq_dequeue(struct Qdisc *sch) skb = cbq_dequeue_1(sch); if (skb) { + qdisc_bstats_update(sch, skb); sch->q.qlen--; sch->flags &= ~TCQ_F_THROTTLED; return skb; diff --git a/net/sched/sch_drr.c b/net/sched/sch_drr.c index aa8b5313f8cf..6b7fe4a84f13 100644 --- a/net/sched/sch_drr.c +++ b/net/sched/sch_drr.c @@ -351,7 +351,6 @@ static int drr_enqueue(struct sk_buff *skb, struct Qdisc *sch) { struct drr_sched *q = qdisc_priv(sch); struct drr_class *cl; - unsigned int len; int err; cl = drr_classify(skb, sch, &err); @@ -362,7 +361,6 @@ static int drr_enqueue(struct sk_buff *skb, struct Qdisc *sch) return err; } - len = qdisc_pkt_len(skb); err = qdisc_enqueue(skb, cl->qdisc); if (unlikely(err != NET_XMIT_SUCCESS)) { if (net_xmit_drop_count(err)) { @@ -377,10 +375,7 @@ static int drr_enqueue(struct sk_buff *skb, struct Qdisc *sch) cl->deficit = cl->quantum; } - cl->bstats.packets++; - cl->bstats.bytes += len; - sch->bstats.packets++; - sch->bstats.bytes += len; + bstats_update(&cl->bstats, skb); sch->q.qlen++; return err; @@ -407,6 +402,7 @@ static struct sk_buff *drr_dequeue(struct Qdisc *sch) skb = qdisc_dequeue_peeked(cl->qdisc); if (cl->qdisc->q.qlen == 0) list_del(&cl->alist); + qdisc_bstats_update(sch, skb); sch->q.qlen--; return skb; } diff --git a/net/sched/sch_dsmark.c b/net/sched/sch_dsmark.c index 1d295d62bb5c..0f7bf3fdfea5 100644 --- a/net/sched/sch_dsmark.c +++ b/net/sched/sch_dsmark.c @@ -260,8 +260,6 @@ static int dsmark_enqueue(struct sk_buff *skb, struct Qdisc *sch) return err; } - sch->bstats.bytes += qdisc_pkt_len(skb); - sch->bstats.packets++; sch->q.qlen++; return NET_XMIT_SUCCESS; @@ -284,6 +282,7 @@ static struct sk_buff *dsmark_dequeue(struct Qdisc *sch) if (skb == NULL) return NULL; + qdisc_bstats_update(sch, skb); sch->q.qlen--; index = skb->tc_index & (p->indices - 1); diff --git a/net/sched/sch_fifo.c b/net/sched/sch_fifo.c index 4dfecb0cba37..d468b479aa93 100644 --- a/net/sched/sch_fifo.c +++ b/net/sched/sch_fifo.c @@ -46,19 +46,14 @@ static int pfifo_enqueue(struct sk_buff *skb, struct Qdisc* sch) static int pfifo_tail_enqueue(struct sk_buff *skb, struct Qdisc* sch) { - struct sk_buff *skb_head; struct fifo_sched_data *q = qdisc_priv(sch); if (likely(skb_queue_len(&sch->q) < q->limit)) return qdisc_enqueue_tail(skb, sch); /* queue full, remove one skb to fulfill the limit */ - skb_head = qdisc_dequeue_head(sch); - sch->bstats.bytes -= qdisc_pkt_len(skb_head); - sch->bstats.packets--; + __qdisc_queue_drop_head(sch, &sch->q); sch->qstats.drops++; - kfree_skb(skb_head); - qdisc_enqueue_tail(skb, sch); return NET_XMIT_CN; diff --git a/net/sched/sch_hfsc.c b/net/sched/sch_hfsc.c index 069c62b7bb36..14a799de1c35 100644 --- a/net/sched/sch_hfsc.c +++ b/net/sched/sch_hfsc.c @@ -1599,10 +1599,7 @@ hfsc_enqueue(struct sk_buff *skb, struct Qdisc *sch) if (cl->qdisc->q.qlen == 1) set_active(cl, qdisc_pkt_len(skb)); - cl->bstats.packets++; - cl->bstats.bytes += qdisc_pkt_len(skb); - sch->bstats.packets++; - sch->bstats.bytes += qdisc_pkt_len(skb); + bstats_update(&cl->bstats, skb); sch->q.qlen++; return NET_XMIT_SUCCESS; @@ -1668,6 +1665,7 @@ hfsc_dequeue(struct Qdisc *sch) } sch->flags &= ~TCQ_F_THROTTLED; + qdisc_bstats_update(sch, skb); sch->q.qlen--; return skb; diff --git a/net/sched/sch_htb.c b/net/sched/sch_htb.c index 01b519d6c52d..fc12fe6f5597 100644 --- a/net/sched/sch_htb.c +++ b/net/sched/sch_htb.c @@ -569,15 +569,11 @@ static int htb_enqueue(struct sk_buff *skb, struct Qdisc *sch) } return ret; } else { - cl->bstats.packets += - skb_is_gso(skb)?skb_shinfo(skb)->gso_segs:1; - cl->bstats.bytes += qdisc_pkt_len(skb); + bstats_update(&cl->bstats, skb); htb_activate(q, cl); } sch->q.qlen++; - sch->bstats.packets += skb_is_gso(skb)?skb_shinfo(skb)->gso_segs:1; - sch->bstats.bytes += qdisc_pkt_len(skb); return NET_XMIT_SUCCESS; } @@ -648,12 +644,10 @@ static void htb_charge_class(struct htb_sched *q, struct htb_class *cl, htb_add_to_wait_tree(q, cl, diff); } - /* update byte stats except for leaves which are already updated */ - if (cl->level) { - cl->bstats.bytes += bytes; - cl->bstats.packets += skb_is_gso(skb)? - skb_shinfo(skb)->gso_segs:1; - } + /* update basic stats except for leaves which are already updated */ + if (cl->level) + bstats_update(&cl->bstats, skb); + cl = cl->parent; } } @@ -847,7 +841,7 @@ next: static struct sk_buff *htb_dequeue(struct Qdisc *sch) { - struct sk_buff *skb = NULL; + struct sk_buff *skb; struct htb_sched *q = qdisc_priv(sch); int level; psched_time_t next_event; @@ -856,6 +850,8 @@ static struct sk_buff *htb_dequeue(struct Qdisc *sch) /* try to dequeue direct packets as high prio (!) to minimize cpu work */ skb = __skb_dequeue(&q->direct_queue); if (skb != NULL) { +ok: + qdisc_bstats_update(sch, skb); sch->flags &= ~TCQ_F_THROTTLED; sch->q.qlen--; return skb; @@ -889,11 +885,8 @@ static struct sk_buff *htb_dequeue(struct Qdisc *sch) int prio = ffz(m); m |= 1 << prio; skb = htb_dequeue_tree(q, prio, level); - if (likely(skb != NULL)) { - sch->q.qlen--; - sch->flags &= ~TCQ_F_THROTTLED; - goto fin; - } + if (likely(skb != NULL)) + goto ok; } } sch->qstats.overlimits++; diff --git a/net/sched/sch_ingress.c b/net/sched/sch_ingress.c index f10e34a68445..bce1665239b8 100644 --- a/net/sched/sch_ingress.c +++ b/net/sched/sch_ingress.c @@ -63,8 +63,7 @@ static int ingress_enqueue(struct sk_buff *skb, struct Qdisc *sch) result = tc_classify(skb, p->filter_list, &res); - sch->bstats.packets++; - sch->bstats.bytes += qdisc_pkt_len(skb); + qdisc_bstats_update(sch, skb); switch (result) { case TC_ACT_SHOT: result = TC_ACT_SHOT; diff --git a/net/sched/sch_multiq.c b/net/sched/sch_multiq.c index 32690deab5d0..436a2e75b322 100644 --- a/net/sched/sch_multiq.c +++ b/net/sched/sch_multiq.c @@ -83,8 +83,6 @@ multiq_enqueue(struct sk_buff *skb, struct Qdisc *sch) ret = qdisc_enqueue(skb, qdisc); if (ret == NET_XMIT_SUCCESS) { - sch->bstats.bytes += qdisc_pkt_len(skb); - sch->bstats.packets++; sch->q.qlen++; return NET_XMIT_SUCCESS; } @@ -113,6 +111,7 @@ static struct sk_buff *multiq_dequeue(struct Qdisc *sch) qdisc = q->queues[q->curband]; skb = qdisc->dequeue(qdisc); if (skb) { + qdisc_bstats_update(sch, skb); sch->q.qlen--; return skb; } diff --git a/net/sched/sch_netem.c b/net/sched/sch_netem.c index e5593c083a78..6a3006b38dc5 100644 --- a/net/sched/sch_netem.c +++ b/net/sched/sch_netem.c @@ -240,8 +240,6 @@ static int netem_enqueue(struct sk_buff *skb, struct Qdisc *sch) if (likely(ret == NET_XMIT_SUCCESS)) { sch->q.qlen++; - sch->bstats.bytes += qdisc_pkt_len(skb); - sch->bstats.packets++; } else if (net_xmit_drop_count(ret)) { sch->qstats.drops++; } @@ -290,6 +288,7 @@ static struct sk_buff *netem_dequeue(struct Qdisc *sch) skb->tstamp.tv64 = 0; #endif pr_debug("netem_dequeue: return skb=%p\n", skb); + qdisc_bstats_update(sch, skb); sch->q.qlen--; return skb; } @@ -477,8 +476,6 @@ static int tfifo_enqueue(struct sk_buff *nskb, struct Qdisc *sch) __skb_queue_after(list, skb, nskb); sch->qstats.backlog += qdisc_pkt_len(nskb); - sch->bstats.bytes += qdisc_pkt_len(nskb); - sch->bstats.packets++; return NET_XMIT_SUCCESS; } diff --git a/net/sched/sch_prio.c b/net/sched/sch_prio.c index b1c95bce33ce..fbd710d619bf 100644 --- a/net/sched/sch_prio.c +++ b/net/sched/sch_prio.c @@ -84,8 +84,6 @@ prio_enqueue(struct sk_buff *skb, struct Qdisc *sch) ret = qdisc_enqueue(skb, qdisc); if (ret == NET_XMIT_SUCCESS) { - sch->bstats.bytes += qdisc_pkt_len(skb); - sch->bstats.packets++; sch->q.qlen++; return NET_XMIT_SUCCESS; } @@ -117,6 +115,7 @@ static struct sk_buff *prio_dequeue(struct Qdisc* sch) struct Qdisc *qdisc = q->queues[prio]; struct sk_buff *skb = qdisc->dequeue(qdisc); if (skb) { + qdisc_bstats_update(sch, skb); sch->q.qlen--; return skb; } diff --git a/net/sched/sch_red.c b/net/sched/sch_red.c index 8d42bb3ba540..9f98dbd32d4c 100644 --- a/net/sched/sch_red.c +++ b/net/sched/sch_red.c @@ -94,8 +94,6 @@ static int red_enqueue(struct sk_buff *skb, struct Qdisc* sch) ret = qdisc_enqueue(skb, child); if (likely(ret == NET_XMIT_SUCCESS)) { - sch->bstats.bytes += qdisc_pkt_len(skb); - sch->bstats.packets++; sch->q.qlen++; } else if (net_xmit_drop_count(ret)) { q->stats.pdrop++; @@ -115,11 +113,13 @@ static struct sk_buff * red_dequeue(struct Qdisc* sch) struct Qdisc *child = q->qdisc; skb = child->dequeue(child); - if (skb) + if (skb) { + qdisc_bstats_update(sch, skb); sch->q.qlen--; - else if (!red_is_idling(&q->parms)) - red_start_of_idle_period(&q->parms); - + } else { + if (!red_is_idling(&q->parms)) + red_start_of_idle_period(&q->parms); + } return skb; } @@ -239,6 +239,7 @@ static int red_dump(struct Qdisc *sch, struct sk_buff *skb) .Scell_log = q->parms.Scell_log, }; + sch->qstats.backlog = q->qdisc->qstats.backlog; opts = nla_nest_start(skb, TCA_OPTIONS); if (opts == NULL) goto nla_put_failure; diff --git a/net/sched/sch_sfq.c b/net/sched/sch_sfq.c index 3cf478d012dd..edea8cefec6c 100644 --- a/net/sched/sch_sfq.c +++ b/net/sched/sch_sfq.c @@ -67,27 +67,47 @@ IMPLEMENTATION: This implementation limits maximal queue length to 128; - maximal mtu to 2^15-1; number of hash buckets to 1024. + max mtu to 2^18-1; max 128 flows, number of hash buckets to 1024. The only goal of this restrictions was that all data - fit into one 4K page :-). Struct sfq_sched_data is - organized in anti-cache manner: all the data for a bucket - are scattered over different locations. This is not good, - but it allowed me to put it into 4K. + fit into one 4K page on 32bit arches. It is easy to increase these values, but not in flight. */ -#define SFQ_DEPTH 128 +#define SFQ_DEPTH 128 /* max number of packets per flow */ +#define SFQ_SLOTS 128 /* max number of flows */ +#define SFQ_EMPTY_SLOT 255 #define SFQ_HASH_DIVISOR 1024 +/* We use 16 bits to store allot, and want to handle packets up to 64K + * Scale allot by 8 (1<<3) so that no overflow occurs. + */ +#define SFQ_ALLOT_SHIFT 3 +#define SFQ_ALLOT_SIZE(X) DIV_ROUND_UP(X, 1 << SFQ_ALLOT_SHIFT) -/* This type should contain at least SFQ_DEPTH*2 values */ +/* This type should contain at least SFQ_DEPTH + SFQ_SLOTS values */ typedef unsigned char sfq_index; +/* + * We dont use pointers to save space. + * Small indexes [0 ... SFQ_SLOTS - 1] are 'pointers' to slots[] array + * while following values [SFQ_SLOTS ... SFQ_SLOTS + SFQ_DEPTH - 1] + * are 'pointers' to dep[] array + */ struct sfq_head { sfq_index next; sfq_index prev; }; +struct sfq_slot { + struct sk_buff *skblist_next; + struct sk_buff *skblist_prev; + sfq_index qlen; /* number of skbs in skblist */ + sfq_index next; /* next slot in sfq chain */ + struct sfq_head dep; /* anchor in dep[] chains */ + unsigned short hash; /* hash value (index in ht[]) */ + short allot; /* credit for this slot */ +}; + struct sfq_sched_data { /* Parameters */ @@ -99,17 +119,24 @@ struct sfq_sched_data struct tcf_proto *filter_list; struct timer_list perturb_timer; u32 perturbation; - sfq_index tail; /* Index of current slot in round */ - sfq_index max_depth; /* Maximal depth */ - + sfq_index cur_depth; /* depth of longest slot */ + unsigned short scaled_quantum; /* SFQ_ALLOT_SIZE(quantum) */ + struct sfq_slot *tail; /* current slot in round */ sfq_index ht[SFQ_HASH_DIVISOR]; /* Hash table */ - sfq_index next[SFQ_DEPTH]; /* Active slots link */ - short allot[SFQ_DEPTH]; /* Current allotment per slot */ - unsigned short hash[SFQ_DEPTH]; /* Hash value indexed by slots */ - struct sk_buff_head qs[SFQ_DEPTH]; /* Slot queue */ - struct sfq_head dep[SFQ_DEPTH*2]; /* Linked list of slots, indexed by depth */ + struct sfq_slot slots[SFQ_SLOTS]; + struct sfq_head dep[SFQ_DEPTH]; /* Linked list of slots, indexed by depth */ }; +/* + * sfq_head are either in a sfq_slot or in dep[] array + */ +static inline struct sfq_head *sfq_dep_head(struct sfq_sched_data *q, sfq_index val) +{ + if (val < SFQ_SLOTS) + return &q->slots[val].dep; + return &q->dep[val - SFQ_SLOTS]; +} + static __inline__ unsigned sfq_fold_hash(struct sfq_sched_data *q, u32 h, u32 h1) { return jhash_2words(h, h1, q->perturbation) & (SFQ_HASH_DIVISOR - 1); @@ -200,30 +227,41 @@ static unsigned int sfq_classify(struct sk_buff *skb, struct Qdisc *sch, return 0; } +/* + * x : slot number [0 .. SFQ_SLOTS - 1] + */ static inline void sfq_link(struct sfq_sched_data *q, sfq_index x) { sfq_index p, n; - int d = q->qs[x].qlen + SFQ_DEPTH; + int qlen = q->slots[x].qlen; + + p = qlen + SFQ_SLOTS; + n = q->dep[qlen].next; - p = d; - n = q->dep[d].next; - q->dep[x].next = n; - q->dep[x].prev = p; - q->dep[p].next = q->dep[n].prev = x; + q->slots[x].dep.next = n; + q->slots[x].dep.prev = p; + + q->dep[qlen].next = x; /* sfq_dep_head(q, p)->next = x */ + sfq_dep_head(q, n)->prev = x; } +#define sfq_unlink(q, x, n, p) \ + n = q->slots[x].dep.next; \ + p = q->slots[x].dep.prev; \ + sfq_dep_head(q, p)->next = n; \ + sfq_dep_head(q, n)->prev = p + + static inline void sfq_dec(struct sfq_sched_data *q, sfq_index x) { sfq_index p, n; + int d; - n = q->dep[x].next; - p = q->dep[x].prev; - q->dep[p].next = n; - q->dep[n].prev = p; - - if (n == p && q->max_depth == q->qs[x].qlen + 1) - q->max_depth--; + sfq_unlink(q, x, n, p); + d = q->slots[x].qlen--; + if (n == p && q->cur_depth == d) + q->cur_depth--; sfq_link(q, x); } @@ -232,34 +270,74 @@ static inline void sfq_inc(struct sfq_sched_data *q, sfq_index x) sfq_index p, n; int d; - n = q->dep[x].next; - p = q->dep[x].prev; - q->dep[p].next = n; - q->dep[n].prev = p; - d = q->qs[x].qlen; - if (q->max_depth < d) - q->max_depth = d; + sfq_unlink(q, x, n, p); + d = ++q->slots[x].qlen; + if (q->cur_depth < d) + q->cur_depth = d; sfq_link(q, x); } +/* helper functions : might be changed when/if skb use a standard list_head */ + +/* remove one skb from tail of slot queue */ +static inline struct sk_buff *slot_dequeue_tail(struct sfq_slot *slot) +{ + struct sk_buff *skb = slot->skblist_prev; + + slot->skblist_prev = skb->prev; + skb->prev->next = (struct sk_buff *)slot; + skb->next = skb->prev = NULL; + return skb; +} + +/* remove one skb from head of slot queue */ +static inline struct sk_buff *slot_dequeue_head(struct sfq_slot *slot) +{ + struct sk_buff *skb = slot->skblist_next; + + slot->skblist_next = skb->next; + skb->next->prev = (struct sk_buff *)slot; + skb->next = skb->prev = NULL; + return skb; +} + +static inline void slot_queue_init(struct sfq_slot *slot) +{ + slot->skblist_prev = slot->skblist_next = (struct sk_buff *)slot; +} + +/* add skb to slot queue (tail add) */ +static inline void slot_queue_add(struct sfq_slot *slot, struct sk_buff *skb) +{ + skb->prev = slot->skblist_prev; + skb->next = (struct sk_buff *)slot; + slot->skblist_prev->next = skb; + slot->skblist_prev = skb; +} + +#define slot_queue_walk(slot, skb) \ + for (skb = slot->skblist_next; \ + skb != (struct sk_buff *)slot; \ + skb = skb->next) + static unsigned int sfq_drop(struct Qdisc *sch) { struct sfq_sched_data *q = qdisc_priv(sch); - sfq_index d = q->max_depth; + sfq_index x, d = q->cur_depth; struct sk_buff *skb; unsigned int len; + struct sfq_slot *slot; - /* Queue is full! Find the longest slot and - drop a packet from it */ - + /* Queue is full! Find the longest slot and drop tail packet from it */ if (d > 1) { - sfq_index x = q->dep[d + SFQ_DEPTH].next; - skb = q->qs[x].prev; + x = q->dep[d].next; + slot = &q->slots[x]; +drop: + skb = slot_dequeue_tail(slot); len = qdisc_pkt_len(skb); - __skb_unlink(skb, &q->qs[x]); - kfree_skb(skb); sfq_dec(q, x); + kfree_skb(skb); sch->q.qlen--; sch->qstats.drops++; sch->qstats.backlog -= len; @@ -268,19 +346,11 @@ static unsigned int sfq_drop(struct Qdisc *sch) if (d == 1) { /* It is difficult to believe, but ALL THE SLOTS HAVE LENGTH 1. */ - d = q->next[q->tail]; - q->next[q->tail] = q->next[d]; - q->allot[q->next[d]] += q->quantum; - skb = q->qs[d].prev; - len = qdisc_pkt_len(skb); - __skb_unlink(skb, &q->qs[d]); - kfree_skb(skb); - sfq_dec(q, d); - sch->q.qlen--; - q->ht[q->hash[d]] = SFQ_DEPTH; - sch->qstats.drops++; - sch->qstats.backlog -= len; - return len; + x = q->tail->next; + slot = &q->slots[x]; + q->tail->next = slot->next; + q->ht[slot->hash] = SFQ_EMPTY_SLOT; + goto drop; } return 0; @@ -292,6 +362,7 @@ sfq_enqueue(struct sk_buff *skb, struct Qdisc *sch) struct sfq_sched_data *q = qdisc_priv(sch); unsigned int hash; sfq_index x; + struct sfq_slot *slot; int uninitialized_var(ret); hash = sfq_classify(skb, sch, &ret); @@ -304,37 +375,35 @@ sfq_enqueue(struct sk_buff *skb, struct Qdisc *sch) hash--; x = q->ht[hash]; - if (x == SFQ_DEPTH) { - q->ht[hash] = x = q->dep[SFQ_DEPTH].next; - q->hash[x] = hash; + slot = &q->slots[x]; + if (x == SFQ_EMPTY_SLOT) { + x = q->dep[0].next; /* get a free slot */ + q->ht[hash] = x; + slot = &q->slots[x]; + slot->hash = hash; } - /* If selected queue has length q->limit, this means that - * all another queues are empty and that we do simple tail drop, + /* If selected queue has length q->limit, do simple tail drop, * i.e. drop _this_ packet. */ - if (q->qs[x].qlen >= q->limit) + if (slot->qlen >= q->limit) return qdisc_drop(skb, sch); sch->qstats.backlog += qdisc_pkt_len(skb); - __skb_queue_tail(&q->qs[x], skb); + slot_queue_add(slot, skb); sfq_inc(q, x); - if (q->qs[x].qlen == 1) { /* The flow is new */ - if (q->tail == SFQ_DEPTH) { /* It is the first flow */ - q->tail = x; - q->next[x] = x; - q->allot[x] = q->quantum; + if (slot->qlen == 1) { /* The flow is new */ + if (q->tail == NULL) { /* It is the first flow */ + slot->next = x; } else { - q->next[x] = q->next[q->tail]; - q->next[q->tail] = x; - q->tail = x; + slot->next = q->tail->next; + q->tail->next = x; } + q->tail = slot; + slot->allot = q->scaled_quantum; } - if (++sch->q.qlen <= q->limit) { - sch->bstats.bytes += qdisc_pkt_len(skb); - sch->bstats.packets++; + if (++sch->q.qlen <= q->limit) return NET_XMIT_SUCCESS; - } sfq_drop(sch); return NET_XMIT_CN; @@ -344,14 +413,12 @@ static struct sk_buff * sfq_peek(struct Qdisc *sch) { struct sfq_sched_data *q = qdisc_priv(sch); - sfq_index a; /* No active slots */ - if (q->tail == SFQ_DEPTH) + if (q->tail == NULL) return NULL; - a = q->next[q->tail]; - return skb_peek(&q->qs[a]); + return q->slots[q->tail->next].skblist_next; } static struct sk_buff * @@ -359,34 +426,38 @@ sfq_dequeue(struct Qdisc *sch) { struct sfq_sched_data *q = qdisc_priv(sch); struct sk_buff *skb; - sfq_index a, old_a; + sfq_index a, next_a; + struct sfq_slot *slot; /* No active slots */ - if (q->tail == SFQ_DEPTH) + if (q->tail == NULL) return NULL; - a = old_a = q->next[q->tail]; - - /* Grab packet */ - skb = __skb_dequeue(&q->qs[a]); +next_slot: + a = q->tail->next; + slot = &q->slots[a]; + if (slot->allot <= 0) { + q->tail = slot; + slot->allot += q->scaled_quantum; + goto next_slot; + } + skb = slot_dequeue_head(slot); sfq_dec(q, a); + qdisc_bstats_update(sch, skb); sch->q.qlen--; sch->qstats.backlog -= qdisc_pkt_len(skb); /* Is the slot empty? */ - if (q->qs[a].qlen == 0) { - q->ht[q->hash[a]] = SFQ_DEPTH; - a = q->next[a]; - if (a == old_a) { - q->tail = SFQ_DEPTH; + if (slot->qlen == 0) { + q->ht[slot->hash] = SFQ_EMPTY_SLOT; + next_a = slot->next; + if (a == next_a) { + q->tail = NULL; /* no more active slots */ return skb; } - q->next[q->tail] = a; - q->allot[a] += q->quantum; - } else if ((q->allot[a] -= qdisc_pkt_len(skb)) <= 0) { - q->tail = a; - a = q->next[a]; - q->allot[a] += q->quantum; + q->tail->next = next_a; + } else { + slot->allot -= SFQ_ALLOT_SIZE(qdisc_pkt_len(skb)); } return skb; } @@ -422,6 +493,7 @@ static int sfq_change(struct Qdisc *sch, struct nlattr *opt) sch_tree_lock(sch); q->quantum = ctl->quantum ? : psched_mtu(qdisc_dev(sch)); + q->scaled_quantum = SFQ_ALLOT_SIZE(q->quantum); q->perturb_period = ctl->perturb_period * HZ; if (ctl->limit) q->limit = min_t(u32, ctl->limit, SFQ_DEPTH - 1); @@ -450,19 +522,19 @@ static int sfq_init(struct Qdisc *sch, struct nlattr *opt) init_timer_deferrable(&q->perturb_timer); for (i = 0; i < SFQ_HASH_DIVISOR; i++) - q->ht[i] = SFQ_DEPTH; + q->ht[i] = SFQ_EMPTY_SLOT; for (i = 0; i < SFQ_DEPTH; i++) { - skb_queue_head_init(&q->qs[i]); - q->dep[i + SFQ_DEPTH].next = i + SFQ_DEPTH; - q->dep[i + SFQ_DEPTH].prev = i + SFQ_DEPTH; + q->dep[i].next = i + SFQ_SLOTS; + q->dep[i].prev = i + SFQ_SLOTS; } q->limit = SFQ_DEPTH - 1; - q->max_depth = 0; - q->tail = SFQ_DEPTH; + q->cur_depth = 0; + q->tail = NULL; if (opt == NULL) { q->quantum = psched_mtu(qdisc_dev(sch)); + q->scaled_quantum = SFQ_ALLOT_SIZE(q->quantum); q->perturb_period = 0; q->perturbation = net_random(); } else { @@ -471,8 +543,10 @@ static int sfq_init(struct Qdisc *sch, struct nlattr *opt) return err; } - for (i = 0; i < SFQ_DEPTH; i++) + for (i = 0; i < SFQ_SLOTS; i++) { + slot_queue_init(&q->slots[i]); sfq_link(q, i); + } return 0; } @@ -547,10 +621,19 @@ static int sfq_dump_class_stats(struct Qdisc *sch, unsigned long cl, struct gnet_dump *d) { struct sfq_sched_data *q = qdisc_priv(sch); - sfq_index idx = q->ht[cl-1]; - struct gnet_stats_queue qs = { .qlen = q->qs[idx].qlen }; - struct tc_sfq_xstats xstats = { .allot = q->allot[idx] }; + sfq_index idx = q->ht[cl - 1]; + struct gnet_stats_queue qs = { 0 }; + struct tc_sfq_xstats xstats = { 0 }; + struct sk_buff *skb; + + if (idx != SFQ_EMPTY_SLOT) { + const struct sfq_slot *slot = &q->slots[idx]; + xstats.allot = slot->allot << SFQ_ALLOT_SHIFT; + qs.qlen = slot->qlen; + slot_queue_walk(slot, skb) + qs.backlog += qdisc_pkt_len(skb); + } if (gnet_stats_copy_queue(d, &qs) < 0) return -1; return gnet_stats_copy_app(d, &xstats, sizeof(xstats)); @@ -565,7 +648,7 @@ static void sfq_walk(struct Qdisc *sch, struct qdisc_walker *arg) return; for (i = 0; i < SFQ_HASH_DIVISOR; i++) { - if (q->ht[i] == SFQ_DEPTH || + if (q->ht[i] == SFQ_EMPTY_SLOT || arg->count < arg->skip) { arg->count++; continue; diff --git a/net/sched/sch_tbf.c b/net/sched/sch_tbf.c index 641a30d64635..e93165820c3f 100644 --- a/net/sched/sch_tbf.c +++ b/net/sched/sch_tbf.c @@ -134,8 +134,6 @@ static int tbf_enqueue(struct sk_buff *skb, struct Qdisc* sch) } sch->q.qlen++; - sch->bstats.bytes += qdisc_pkt_len(skb); - sch->bstats.packets++; return NET_XMIT_SUCCESS; } @@ -188,6 +186,7 @@ static struct sk_buff *tbf_dequeue(struct Qdisc* sch) q->ptokens = ptoks; sch->q.qlen--; sch->flags &= ~TCQ_F_THROTTLED; + qdisc_bstats_update(sch, skb); return skb; } diff --git a/net/sched/sch_teql.c b/net/sched/sch_teql.c index 106479a7c94a..d84e7329660f 100644 --- a/net/sched/sch_teql.c +++ b/net/sched/sch_teql.c @@ -59,6 +59,10 @@ struct teql_master struct net_device *dev; struct Qdisc *slaves; struct list_head master_list; + unsigned long tx_bytes; + unsigned long tx_packets; + unsigned long tx_errors; + unsigned long tx_dropped; }; struct teql_sched_data @@ -83,8 +87,6 @@ teql_enqueue(struct sk_buff *skb, struct Qdisc* sch) if (q->q.qlen < dev->tx_queue_len) { __skb_queue_tail(&q->q, skb); - sch->bstats.bytes += qdisc_pkt_len(skb); - sch->bstats.packets++; return NET_XMIT_SUCCESS; } @@ -108,6 +110,8 @@ teql_dequeue(struct Qdisc* sch) dat->m->slaves = sch; netif_wake_queue(m); } + } else { + qdisc_bstats_update(sch, skb); } sch->q.qlen = dat->q.qlen + dat_queue->qdisc->q.qlen; return skb; @@ -275,7 +279,6 @@ static inline int teql_resolve(struct sk_buff *skb, static netdev_tx_t teql_master_xmit(struct sk_buff *skb, struct net_device *dev) { struct teql_master *master = netdev_priv(dev); - struct netdev_queue *txq = netdev_get_tx_queue(dev, 0); struct Qdisc *start, *q; int busy; int nores; @@ -315,8 +318,8 @@ restart: __netif_tx_unlock(slave_txq); master->slaves = NEXT_SLAVE(q); netif_wake_queue(dev); - txq->tx_packets++; - txq->tx_bytes += length; + master->tx_packets++; + master->tx_bytes += length; return NETDEV_TX_OK; } __netif_tx_unlock(slave_txq); @@ -343,10 +346,10 @@ restart: netif_stop_queue(dev); return NETDEV_TX_BUSY; } - dev->stats.tx_errors++; + master->tx_errors++; drop: - txq->tx_dropped++; + master->tx_dropped++; dev_kfree_skb(skb); return NETDEV_TX_OK; } @@ -399,6 +402,18 @@ static int teql_master_close(struct net_device *dev) return 0; } +static struct rtnl_link_stats64 *teql_master_stats64(struct net_device *dev, + struct rtnl_link_stats64 *stats) +{ + struct teql_master *m = netdev_priv(dev); + + stats->tx_packets = m->tx_packets; + stats->tx_bytes = m->tx_bytes; + stats->tx_errors = m->tx_errors; + stats->tx_dropped = m->tx_dropped; + return stats; +} + static int teql_master_mtu(struct net_device *dev, int new_mtu) { struct teql_master *m = netdev_priv(dev); @@ -423,6 +438,7 @@ static const struct net_device_ops teql_netdev_ops = { .ndo_open = teql_master_open, .ndo_stop = teql_master_close, .ndo_start_xmit = teql_master_xmit, + .ndo_get_stats64 = teql_master_stats64, .ndo_change_mtu = teql_master_mtu, }; diff --git a/net/sctp/socket.c b/net/sctp/socket.c index a09b0dd25f50..8e02550ff3e8 100644 --- a/net/sctp/socket.c +++ b/net/sctp/socket.c @@ -3428,7 +3428,7 @@ SCTP_STATIC int sctp_setsockopt(struct sock *sk, int level, int optname, retval = sctp_setsockopt_peer_addr_params(sk, optval, optlen); break; - case SCTP_DELAYED_ACK: + case SCTP_DELAYED_SACK: retval = sctp_setsockopt_delayed_ack(sk, optval, optlen); break; case SCTP_PARTIAL_DELIVERY_POINT: @@ -5333,7 +5333,7 @@ SCTP_STATIC int sctp_getsockopt(struct sock *sk, int level, int optname, retval = sctp_getsockopt_peer_addr_params(sk, len, optval, optlen); break; - case SCTP_DELAYED_ACK: + case SCTP_DELAYED_SACK: retval = sctp_getsockopt_delayed_ack(sk, len, optval, optlen); break; diff --git a/net/socket.c b/net/socket.c index c1663c0ff3d3..ac2219f90d5d 100644 --- a/net/socket.c +++ b/net/socket.c @@ -262,6 +262,7 @@ static struct inode *sock_alloc_inode(struct super_block *sb) } + static void wq_free_rcu(struct rcu_head *head) { struct socket_wq *wq = container_of(head, struct socket_wq, rcu); @@ -305,20 +306,6 @@ static const struct super_operations sockfs_ops = { .statfs = simple_statfs, }; -static struct dentry *sockfs_mount(struct file_system_type *fs_type, - int flags, const char *dev_name, void *data) -{ - return mount_pseudo(fs_type, "socket:", &sockfs_ops, SOCKFS_MAGIC); -} - -static struct vfsmount *sock_mnt __read_mostly; - -static struct file_system_type sock_fs_type = { - .name = "sockfs", - .mount = sockfs_mount, - .kill_sb = kill_anon_super, -}; - /* * sockfs_dname() is called from d_path(). */ @@ -332,6 +319,21 @@ static const struct dentry_operations sockfs_dentry_operations = { .d_dname = sockfs_dname, }; +static struct dentry *sockfs_mount(struct file_system_type *fs_type, + int flags, const char *dev_name, void *data) +{ + return mount_pseudo(fs_type, "socket:", &sockfs_ops, + &sockfs_dentry_operations, SOCKFS_MAGIC); +} + +static struct vfsmount *sock_mnt __read_mostly; + +static struct file_system_type sock_fs_type = { + .name = "sockfs", + .mount = sockfs_mount, + .kill_sb = kill_anon_super, +}; + /* * Obtains the first available file descriptor and sets it up for use. * @@ -360,14 +362,13 @@ static int sock_alloc_file(struct socket *sock, struct file **f, int flags) if (unlikely(fd < 0)) return fd; - path.dentry = d_alloc(sock_mnt->mnt_sb->s_root, &name); + path.dentry = d_alloc_pseudo(sock_mnt->mnt_sb, &name); if (unlikely(!path.dentry)) { put_unused_fd(fd); return -ENOMEM; } path.mnt = mntget(sock_mnt); - path.dentry->d_op = &sockfs_dentry_operations; d_instantiate(path.dentry, SOCK_INODE(sock)); SOCK_INODE(sock)->i_fop = &socket_file_ops; @@ -2390,6 +2391,8 @@ EXPORT_SYMBOL(sock_unregister); static int __init sock_init(void) { + int err; + /* * Initialize sock SLAB cache. */ @@ -2406,8 +2409,15 @@ static int __init sock_init(void) */ init_inodecache(); - register_filesystem(&sock_fs_type); + + err = register_filesystem(&sock_fs_type); + if (err) + goto out_fs; sock_mnt = kern_mount(&sock_fs_type); + if (IS_ERR(sock_mnt)) { + err = PTR_ERR(sock_mnt); + goto out_mount; + } /* The real protocol initialization is performed in later initcalls. */ @@ -2420,7 +2430,13 @@ static int __init sock_init(void) skb_timestamping_init(); #endif - return 0; +out: + return err; + +out_mount: + unregister_filesystem(&sock_fs_type); +out_fs: + goto out; } core_initcall(sock_init); /* early initcall */ diff --git a/net/sunrpc/auth.c b/net/sunrpc/auth.c index afe67849269f..67e31276682a 100644 --- a/net/sunrpc/auth.c +++ b/net/sunrpc/auth.c @@ -563,8 +563,17 @@ rpcauth_checkverf(struct rpc_task *task, __be32 *p) return cred->cr_ops->crvalidate(task, p); } +static void rpcauth_wrap_req_encode(kxdreproc_t encode, struct rpc_rqst *rqstp, + __be32 *data, void *obj) +{ + struct xdr_stream xdr; + + xdr_init_encode(&xdr, &rqstp->rq_snd_buf, data); + encode(rqstp, &xdr, obj); +} + int -rpcauth_wrap_req(struct rpc_task *task, kxdrproc_t encode, void *rqstp, +rpcauth_wrap_req(struct rpc_task *task, kxdreproc_t encode, void *rqstp, __be32 *data, void *obj) { struct rpc_cred *cred = task->tk_rqstp->rq_cred; @@ -574,11 +583,22 @@ rpcauth_wrap_req(struct rpc_task *task, kxdrproc_t encode, void *rqstp, if (cred->cr_ops->crwrap_req) return cred->cr_ops->crwrap_req(task, encode, rqstp, data, obj); /* By default, we encode the arguments normally. */ - return encode(rqstp, data, obj); + rpcauth_wrap_req_encode(encode, rqstp, data, obj); + return 0; +} + +static int +rpcauth_unwrap_req_decode(kxdrdproc_t decode, struct rpc_rqst *rqstp, + __be32 *data, void *obj) +{ + struct xdr_stream xdr; + + xdr_init_decode(&xdr, &rqstp->rq_rcv_buf, data); + return decode(rqstp, &xdr, obj); } int -rpcauth_unwrap_resp(struct rpc_task *task, kxdrproc_t decode, void *rqstp, +rpcauth_unwrap_resp(struct rpc_task *task, kxdrdproc_t decode, void *rqstp, __be32 *data, void *obj) { struct rpc_cred *cred = task->tk_rqstp->rq_cred; @@ -589,7 +609,7 @@ rpcauth_unwrap_resp(struct rpc_task *task, kxdrproc_t decode, void *rqstp, return cred->cr_ops->crunwrap_resp(task, decode, rqstp, data, obj); /* By default, we decode the arguments normally. */ - return decode(rqstp, data, obj); + return rpcauth_unwrap_req_decode(decode, rqstp, data, obj); } int diff --git a/net/sunrpc/auth_gss/auth_gss.c b/net/sunrpc/auth_gss/auth_gss.c index 3835ce35e224..45dbf1521b9a 100644 --- a/net/sunrpc/auth_gss/auth_gss.c +++ b/net/sunrpc/auth_gss/auth_gss.c @@ -1231,9 +1231,19 @@ out_bad: return NULL; } +static void gss_wrap_req_encode(kxdreproc_t encode, struct rpc_rqst *rqstp, + __be32 *p, void *obj) +{ + struct xdr_stream xdr; + + xdr_init_encode(&xdr, &rqstp->rq_snd_buf, p); + encode(rqstp, &xdr, obj); +} + static inline int gss_wrap_req_integ(struct rpc_cred *cred, struct gss_cl_ctx *ctx, - kxdrproc_t encode, struct rpc_rqst *rqstp, __be32 *p, void *obj) + kxdreproc_t encode, struct rpc_rqst *rqstp, + __be32 *p, void *obj) { struct xdr_buf *snd_buf = &rqstp->rq_snd_buf; struct xdr_buf integ_buf; @@ -1249,9 +1259,7 @@ gss_wrap_req_integ(struct rpc_cred *cred, struct gss_cl_ctx *ctx, offset = (u8 *)p - (u8 *)snd_buf->head[0].iov_base; *p++ = htonl(rqstp->rq_seqno); - status = encode(rqstp, p, obj); - if (status) - return status; + gss_wrap_req_encode(encode, rqstp, p, obj); if (xdr_buf_subsegment(snd_buf, &integ_buf, offset, snd_buf->len - offset)) @@ -1325,7 +1333,8 @@ out: static inline int gss_wrap_req_priv(struct rpc_cred *cred, struct gss_cl_ctx *ctx, - kxdrproc_t encode, struct rpc_rqst *rqstp, __be32 *p, void *obj) + kxdreproc_t encode, struct rpc_rqst *rqstp, + __be32 *p, void *obj) { struct xdr_buf *snd_buf = &rqstp->rq_snd_buf; u32 offset; @@ -1342,9 +1351,7 @@ gss_wrap_req_priv(struct rpc_cred *cred, struct gss_cl_ctx *ctx, offset = (u8 *)p - (u8 *)snd_buf->head[0].iov_base; *p++ = htonl(rqstp->rq_seqno); - status = encode(rqstp, p, obj); - if (status) - return status; + gss_wrap_req_encode(encode, rqstp, p, obj); status = alloc_enc_pages(rqstp); if (status) @@ -1394,7 +1401,7 @@ gss_wrap_req_priv(struct rpc_cred *cred, struct gss_cl_ctx *ctx, static int gss_wrap_req(struct rpc_task *task, - kxdrproc_t encode, void *rqstp, __be32 *p, void *obj) + kxdreproc_t encode, void *rqstp, __be32 *p, void *obj) { struct rpc_cred *cred = task->tk_rqstp->rq_cred; struct gss_cred *gss_cred = container_of(cred, struct gss_cred, @@ -1407,12 +1414,14 @@ gss_wrap_req(struct rpc_task *task, /* The spec seems a little ambiguous here, but I think that not * wrapping context destruction requests makes the most sense. */ - status = encode(rqstp, p, obj); + gss_wrap_req_encode(encode, rqstp, p, obj); + status = 0; goto out; } switch (gss_cred->gc_service) { case RPC_GSS_SVC_NONE: - status = encode(rqstp, p, obj); + gss_wrap_req_encode(encode, rqstp, p, obj); + status = 0; break; case RPC_GSS_SVC_INTEGRITY: status = gss_wrap_req_integ(cred, ctx, encode, @@ -1494,10 +1503,19 @@ gss_unwrap_resp_priv(struct rpc_cred *cred, struct gss_cl_ctx *ctx, return 0; } +static int +gss_unwrap_req_decode(kxdrdproc_t decode, struct rpc_rqst *rqstp, + __be32 *p, void *obj) +{ + struct xdr_stream xdr; + + xdr_init_decode(&xdr, &rqstp->rq_rcv_buf, p); + return decode(rqstp, &xdr, obj); +} static int gss_unwrap_resp(struct rpc_task *task, - kxdrproc_t decode, void *rqstp, __be32 *p, void *obj) + kxdrdproc_t decode, void *rqstp, __be32 *p, void *obj) { struct rpc_cred *cred = task->tk_rqstp->rq_cred; struct gss_cred *gss_cred = container_of(cred, struct gss_cred, @@ -1528,7 +1546,7 @@ gss_unwrap_resp(struct rpc_task *task, cred->cr_auth->au_rslack = cred->cr_auth->au_verfsize + (p - savedp) + (savedlen - head->iov_len); out_decode: - status = decode(rqstp, p, obj); + status = gss_unwrap_req_decode(decode, rqstp, p, obj); out: gss_put_ctx(ctx); dprintk("RPC: %5u gss_unwrap_resp returning %d\n", task->tk_pid, diff --git a/net/sunrpc/auth_gss/gss_krb5_crypto.c b/net/sunrpc/auth_gss/gss_krb5_crypto.c index 75ee993ea057..9576f35ab701 100644 --- a/net/sunrpc/auth_gss/gss_krb5_crypto.c +++ b/net/sunrpc/auth_gss/gss_krb5_crypto.c @@ -137,7 +137,7 @@ arcfour_hmac_md5_usage_to_salt(unsigned int usage, u8 salt[4]) ms_usage = 13; break; default: - return EINVAL;; + return -EINVAL; } salt[0] = (ms_usage >> 0) & 0xff; salt[1] = (ms_usage >> 8) & 0xff; diff --git a/net/sunrpc/auth_gss/svcauth_gss.c b/net/sunrpc/auth_gss/svcauth_gss.c index dec2a6fc7c12..bcdae78fdfc6 100644 --- a/net/sunrpc/auth_gss/svcauth_gss.c +++ b/net/sunrpc/auth_gss/svcauth_gss.c @@ -67,7 +67,6 @@ static int netobj_equal(struct xdr_netobj *a, struct xdr_netobj *b) #define RSI_HASHBITS 6 #define RSI_HASHMAX (1<<RSI_HASHBITS) -#define RSI_HASHMASK (RSI_HASHMAX-1) struct rsi { struct cache_head h; @@ -319,7 +318,6 @@ static struct rsi *rsi_update(struct rsi *new, struct rsi *old) #define RSC_HASHBITS 10 #define RSC_HASHMAX (1<<RSC_HASHBITS) -#define RSC_HASHMASK (RSC_HASHMAX-1) #define GSS_SEQ_WIN 128 diff --git a/net/sunrpc/bc_svc.c b/net/sunrpc/bc_svc.c index 7dcfe0cc3500..1dd1a6890007 100644 --- a/net/sunrpc/bc_svc.c +++ b/net/sunrpc/bc_svc.c @@ -59,8 +59,8 @@ int bc_send(struct rpc_rqst *req) ret = task->tk_status; rpc_put_task(task); } - return ret; dprintk("RPC: bc_send ret= %d\n", ret); + return ret; } #endif /* CONFIG_NFS_V4_1 */ diff --git a/net/sunrpc/cache.c b/net/sunrpc/cache.c index e433e7580e27..72ad836e4fe0 100644 --- a/net/sunrpc/cache.c +++ b/net/sunrpc/cache.c @@ -37,7 +37,7 @@ #define RPCDBG_FACILITY RPCDBG_CACHE -static void cache_defer_req(struct cache_req *req, struct cache_head *item); +static bool cache_defer_req(struct cache_req *req, struct cache_head *item); static void cache_revisit_request(struct cache_head *item); static void cache_init(struct cache_head *h) @@ -128,6 +128,7 @@ static void cache_fresh_locked(struct cache_head *head, time_t expiry) { head->expiry_time = expiry; head->last_refresh = seconds_since_boot(); + smp_wmb(); /* paired with smp_rmb() in cache_is_valid() */ set_bit(CACHE_VALID, &head->flags); } @@ -208,11 +209,36 @@ static inline int cache_is_valid(struct cache_detail *detail, struct cache_head /* entry is valid */ if (test_bit(CACHE_NEGATIVE, &h->flags)) return -ENOENT; - else + else { + /* + * In combination with write barrier in + * sunrpc_cache_update, ensures that anyone + * using the cache entry after this sees the + * updated contents: + */ + smp_rmb(); return 0; + } } } +static int try_to_negate_entry(struct cache_detail *detail, struct cache_head *h) +{ + int rv; + + write_lock(&detail->hash_lock); + rv = cache_is_valid(detail, h); + if (rv != -EAGAIN) { + write_unlock(&detail->hash_lock); + return rv; + } + set_bit(CACHE_NEGATIVE, &h->flags); + cache_fresh_locked(h, seconds_since_boot()+CACHE_NEW_EXPIRY); + write_unlock(&detail->hash_lock); + cache_fresh_unlocked(h, detail); + return -ENOENT; +} + /* * This is the generic cache management routine for all * the authentication caches. @@ -251,14 +277,8 @@ int cache_check(struct cache_detail *detail, case -EINVAL: clear_bit(CACHE_PENDING, &h->flags); cache_revisit_request(h); - if (rv == -EAGAIN) { - set_bit(CACHE_NEGATIVE, &h->flags); - cache_fresh_locked(h, seconds_since_boot()+CACHE_NEW_EXPIRY); - cache_fresh_unlocked(h, detail); - rv = -ENOENT; - } + rv = try_to_negate_entry(detail, h); break; - case -EAGAIN: clear_bit(CACHE_PENDING, &h->flags); cache_revisit_request(h); @@ -268,9 +288,11 @@ int cache_check(struct cache_detail *detail, } if (rv == -EAGAIN) { - cache_defer_req(rqstp, h); - if (!test_bit(CACHE_PENDING, &h->flags)) { - /* Request is not deferred */ + if (!cache_defer_req(rqstp, h)) { + /* + * Request was not deferred; handle it as best + * we can ourselves: + */ rv = cache_is_valid(detail, h); if (rv == -EAGAIN) rv = -ETIMEDOUT; @@ -618,18 +640,19 @@ static void cache_limit_defers(void) discard->revisit(discard, 1); } -static void cache_defer_req(struct cache_req *req, struct cache_head *item) +/* Return true if and only if a deferred request is queued. */ +static bool cache_defer_req(struct cache_req *req, struct cache_head *item) { struct cache_deferred_req *dreq; if (req->thread_wait) { cache_wait_req(req, item); if (!test_bit(CACHE_PENDING, &item->flags)) - return; + return false; } dreq = req->defer(req); if (dreq == NULL) - return; + return false; setup_deferral(dreq, item, 1); if (!test_bit(CACHE_PENDING, &item->flags)) /* Bit could have been cleared before we managed to @@ -638,6 +661,7 @@ static void cache_defer_req(struct cache_req *req, struct cache_head *item) cache_revisit_request(item); cache_limit_defers(); + return true; } static void cache_revisit_request(struct cache_head *item) diff --git a/net/sunrpc/clnt.c b/net/sunrpc/clnt.c index 9dab9573be41..57d344cf2256 100644 --- a/net/sunrpc/clnt.c +++ b/net/sunrpc/clnt.c @@ -989,20 +989,26 @@ call_refreshresult(struct rpc_task *task) dprint_status(task); task->tk_status = 0; - task->tk_action = call_allocate; - if (status >= 0 && rpcauth_uptodatecred(task)) - return; + task->tk_action = call_refresh; switch (status) { - case -EACCES: - rpc_exit(task, -EACCES); - return; - case -ENOMEM: - rpc_exit(task, -ENOMEM); + case 0: + if (rpcauth_uptodatecred(task)) + task->tk_action = call_allocate; return; case -ETIMEDOUT: rpc_delay(task, 3*HZ); + case -EAGAIN: + status = -EACCES; + if (!task->tk_cred_retry) + break; + task->tk_cred_retry--; + dprintk("RPC: %5u %s: retry refresh creds\n", + task->tk_pid, __func__); + return; } - task->tk_action = call_refresh; + dprintk("RPC: %5u %s: refresh creds failed with error %d\n", + task->tk_pid, __func__, status); + rpc_exit(task, status); } /* @@ -1089,7 +1095,7 @@ static void rpc_xdr_encode(struct rpc_task *task) { struct rpc_rqst *req = task->tk_rqstp; - kxdrproc_t encode; + kxdreproc_t encode; __be32 *p; dprint_status(task); @@ -1529,7 +1535,7 @@ call_decode(struct rpc_task *task) { struct rpc_clnt *clnt = task->tk_client; struct rpc_rqst *req = task->tk_rqstp; - kxdrproc_t decode = task->tk_msg.rpc_proc->p_decode; + kxdrdproc_t decode = task->tk_msg.rpc_proc->p_decode; __be32 *p; dprintk("RPC: %5u call_decode (status %d)\n", @@ -1770,12 +1776,11 @@ out_overflow: goto out_garbage; } -static int rpcproc_encode_null(void *rqstp, __be32 *data, void *obj) +static void rpcproc_encode_null(void *rqstp, struct xdr_stream *xdr, void *obj) { - return 0; } -static int rpcproc_decode_null(void *rqstp, __be32 *data, void *obj) +static int rpcproc_decode_null(void *rqstp, struct xdr_stream *xdr, void *obj) { return 0; } @@ -1824,23 +1829,15 @@ static void rpc_show_task(const struct rpc_clnt *clnt, const struct rpc_task *task) { const char *rpc_waitq = "none"; - char *p, action[KSYM_SYMBOL_LEN]; if (RPC_IS_QUEUED(task)) rpc_waitq = rpc_qname(task->tk_waitqueue); - /* map tk_action pointer to a function name; then trim off - * the "+0x0 [sunrpc]" */ - sprint_symbol(action, (unsigned long)task->tk_action); - p = strchr(action, '+'); - if (p) - *p = '\0'; - - printk(KERN_INFO "%5u %04x %6d %8p %8p %8ld %8p %sv%u %s a:%s q:%s\n", + printk(KERN_INFO "%5u %04x %6d %8p %8p %8ld %8p %sv%u %s a:%ps q:%s\n", task->tk_pid, task->tk_flags, task->tk_status, clnt, task->tk_rqstp, task->tk_timeout, task->tk_ops, clnt->cl_protname, clnt->cl_vers, rpc_proc_name(task), - action, rpc_waitq); + task->tk_action, rpc_waitq); } void rpc_show_tasks(void) diff --git a/net/sunrpc/rpc_pipe.c b/net/sunrpc/rpc_pipe.c index 10a17a37ec4e..72bc53683965 100644 --- a/net/sunrpc/rpc_pipe.c +++ b/net/sunrpc/rpc_pipe.c @@ -162,11 +162,19 @@ rpc_alloc_inode(struct super_block *sb) } static void -rpc_destroy_inode(struct inode *inode) +rpc_i_callback(struct rcu_head *head) { + struct inode *inode = container_of(head, struct inode, i_rcu); + INIT_LIST_HEAD(&inode->i_dentry); kmem_cache_free(rpc_inode_cachep, RPC_I(inode)); } +static void +rpc_destroy_inode(struct inode *inode) +{ + call_rcu(&inode->i_rcu, rpc_i_callback); +} + static int rpc_pipe_open(struct inode *inode, struct file *filp) { @@ -430,7 +438,7 @@ void rpc_put_mount(void) } EXPORT_SYMBOL_GPL(rpc_put_mount); -static int rpc_delete_dentry(struct dentry *dentry) +static int rpc_delete_dentry(const struct dentry *dentry) { return 1; } @@ -466,7 +474,7 @@ static int __rpc_create_common(struct inode *dir, struct dentry *dentry, { struct inode *inode; - BUG_ON(!d_unhashed(dentry)); + d_drop(dentry); inode = rpc_get_inode(dir->i_sb, mode); if (!inode) goto out_err; @@ -583,7 +591,7 @@ static struct dentry *__rpc_lookup_create(struct dentry *parent, } } if (!dentry->d_inode) - dentry->d_op = &rpc_dentry_operations; + d_set_d_op(dentry, &rpc_dentry_operations); out_err: return dentry; } diff --git a/net/sunrpc/rpcb_clnt.c b/net/sunrpc/rpcb_clnt.c index fa6d7ca2c851..c652e4cc9fe9 100644 --- a/net/sunrpc/rpcb_clnt.c +++ b/net/sunrpc/rpcb_clnt.c @@ -57,10 +57,6 @@ enum { RPCBPROC_GETSTAT, }; -#define RPCB_HIGHPROC_2 RPCBPROC_CALLIT -#define RPCB_HIGHPROC_3 RPCBPROC_TADDR2UADDR -#define RPCB_HIGHPROC_4 RPCBPROC_GETSTAT - /* * r_owner * @@ -693,46 +689,37 @@ static void rpcb_getport_done(struct rpc_task *child, void *data) * XDR functions for rpcbind */ -static int rpcb_enc_mapping(struct rpc_rqst *req, __be32 *p, - const struct rpcbind_args *rpcb) +static void rpcb_enc_mapping(struct rpc_rqst *req, struct xdr_stream *xdr, + const struct rpcbind_args *rpcb) { struct rpc_task *task = req->rq_task; - struct xdr_stream xdr; + __be32 *p; dprintk("RPC: %5u encoding PMAP_%s call (%u, %u, %d, %u)\n", task->tk_pid, task->tk_msg.rpc_proc->p_name, rpcb->r_prog, rpcb->r_vers, rpcb->r_prot, rpcb->r_port); - xdr_init_encode(&xdr, &req->rq_snd_buf, p); - - p = xdr_reserve_space(&xdr, sizeof(__be32) * RPCB_mappingargs_sz); - if (unlikely(p == NULL)) - return -EIO; - - *p++ = htonl(rpcb->r_prog); - *p++ = htonl(rpcb->r_vers); - *p++ = htonl(rpcb->r_prot); - *p = htonl(rpcb->r_port); - - return 0; + p = xdr_reserve_space(xdr, RPCB_mappingargs_sz << 2); + *p++ = cpu_to_be32(rpcb->r_prog); + *p++ = cpu_to_be32(rpcb->r_vers); + *p++ = cpu_to_be32(rpcb->r_prot); + *p = cpu_to_be32(rpcb->r_port); } -static int rpcb_dec_getport(struct rpc_rqst *req, __be32 *p, +static int rpcb_dec_getport(struct rpc_rqst *req, struct xdr_stream *xdr, struct rpcbind_args *rpcb) { struct rpc_task *task = req->rq_task; - struct xdr_stream xdr; unsigned long port; - - xdr_init_decode(&xdr, &req->rq_rcv_buf, p); + __be32 *p; rpcb->r_port = 0; - p = xdr_inline_decode(&xdr, sizeof(__be32)); + p = xdr_inline_decode(xdr, 4); if (unlikely(p == NULL)) return -EIO; - port = ntohl(*p); + port = be32_to_cpup(p); dprintk("RPC: %5u PMAP_%s result: %lu\n", task->tk_pid, task->tk_msg.rpc_proc->p_name, port); if (unlikely(port > USHRT_MAX)) @@ -742,20 +729,18 @@ static int rpcb_dec_getport(struct rpc_rqst *req, __be32 *p, return 0; } -static int rpcb_dec_set(struct rpc_rqst *req, __be32 *p, +static int rpcb_dec_set(struct rpc_rqst *req, struct xdr_stream *xdr, unsigned int *boolp) { struct rpc_task *task = req->rq_task; - struct xdr_stream xdr; - - xdr_init_decode(&xdr, &req->rq_rcv_buf, p); + __be32 *p; - p = xdr_inline_decode(&xdr, sizeof(__be32)); + p = xdr_inline_decode(xdr, 4); if (unlikely(p == NULL)) return -EIO; *boolp = 0; - if (*p) + if (*p != xdr_zero) *boolp = 1; dprintk("RPC: %5u RPCB_%s call %s\n", @@ -764,73 +749,53 @@ static int rpcb_dec_set(struct rpc_rqst *req, __be32 *p, return 0; } -static int encode_rpcb_string(struct xdr_stream *xdr, const char *string, - const u32 maxstrlen) +static void encode_rpcb_string(struct xdr_stream *xdr, const char *string, + const u32 maxstrlen) { - u32 len; __be32 *p; + u32 len; - if (unlikely(string == NULL)) - return -EIO; len = strlen(string); - if (unlikely(len > maxstrlen)) - return -EIO; - - p = xdr_reserve_space(xdr, sizeof(__be32) + len); - if (unlikely(p == NULL)) - return -EIO; + BUG_ON(len > maxstrlen); + p = xdr_reserve_space(xdr, 4 + len); xdr_encode_opaque(p, string, len); - - return 0; } -static int rpcb_enc_getaddr(struct rpc_rqst *req, __be32 *p, - const struct rpcbind_args *rpcb) +static void rpcb_enc_getaddr(struct rpc_rqst *req, struct xdr_stream *xdr, + const struct rpcbind_args *rpcb) { struct rpc_task *task = req->rq_task; - struct xdr_stream xdr; + __be32 *p; dprintk("RPC: %5u encoding RPCB_%s call (%u, %u, '%s', '%s')\n", task->tk_pid, task->tk_msg.rpc_proc->p_name, rpcb->r_prog, rpcb->r_vers, rpcb->r_netid, rpcb->r_addr); - xdr_init_encode(&xdr, &req->rq_snd_buf, p); - - p = xdr_reserve_space(&xdr, - sizeof(__be32) * (RPCB_program_sz + RPCB_version_sz)); - if (unlikely(p == NULL)) - return -EIO; - *p++ = htonl(rpcb->r_prog); - *p = htonl(rpcb->r_vers); - - if (encode_rpcb_string(&xdr, rpcb->r_netid, RPCBIND_MAXNETIDLEN)) - return -EIO; - if (encode_rpcb_string(&xdr, rpcb->r_addr, RPCBIND_MAXUADDRLEN)) - return -EIO; - if (encode_rpcb_string(&xdr, rpcb->r_owner, RPCB_MAXOWNERLEN)) - return -EIO; + p = xdr_reserve_space(xdr, (RPCB_program_sz + RPCB_version_sz) << 2); + *p++ = cpu_to_be32(rpcb->r_prog); + *p = cpu_to_be32(rpcb->r_vers); - return 0; + encode_rpcb_string(xdr, rpcb->r_netid, RPCBIND_MAXNETIDLEN); + encode_rpcb_string(xdr, rpcb->r_addr, RPCBIND_MAXUADDRLEN); + encode_rpcb_string(xdr, rpcb->r_owner, RPCB_MAXOWNERLEN); } -static int rpcb_dec_getaddr(struct rpc_rqst *req, __be32 *p, +static int rpcb_dec_getaddr(struct rpc_rqst *req, struct xdr_stream *xdr, struct rpcbind_args *rpcb) { struct sockaddr_storage address; struct sockaddr *sap = (struct sockaddr *)&address; struct rpc_task *task = req->rq_task; - struct xdr_stream xdr; + __be32 *p; u32 len; rpcb->r_port = 0; - xdr_init_decode(&xdr, &req->rq_rcv_buf, p); - - p = xdr_inline_decode(&xdr, sizeof(__be32)); + p = xdr_inline_decode(xdr, 4); if (unlikely(p == NULL)) goto out_fail; - len = ntohl(*p); + len = be32_to_cpup(p); /* * If the returned universal address is a null string, @@ -845,7 +810,7 @@ static int rpcb_dec_getaddr(struct rpc_rqst *req, __be32 *p, if (unlikely(len > RPCBIND_MAXUADDRLEN)) goto out_fail; - p = xdr_inline_decode(&xdr, len); + p = xdr_inline_decode(xdr, len); if (unlikely(p == NULL)) goto out_fail; dprintk("RPC: %5u RPCB_%s reply: %s\n", task->tk_pid, @@ -871,8 +836,8 @@ out_fail: static struct rpc_procinfo rpcb_procedures2[] = { [RPCBPROC_SET] = { .p_proc = RPCBPROC_SET, - .p_encode = (kxdrproc_t)rpcb_enc_mapping, - .p_decode = (kxdrproc_t)rpcb_dec_set, + .p_encode = (kxdreproc_t)rpcb_enc_mapping, + .p_decode = (kxdrdproc_t)rpcb_dec_set, .p_arglen = RPCB_mappingargs_sz, .p_replen = RPCB_setres_sz, .p_statidx = RPCBPROC_SET, @@ -881,8 +846,8 @@ static struct rpc_procinfo rpcb_procedures2[] = { }, [RPCBPROC_UNSET] = { .p_proc = RPCBPROC_UNSET, - .p_encode = (kxdrproc_t)rpcb_enc_mapping, - .p_decode = (kxdrproc_t)rpcb_dec_set, + .p_encode = (kxdreproc_t)rpcb_enc_mapping, + .p_decode = (kxdrdproc_t)rpcb_dec_set, .p_arglen = RPCB_mappingargs_sz, .p_replen = RPCB_setres_sz, .p_statidx = RPCBPROC_UNSET, @@ -891,8 +856,8 @@ static struct rpc_procinfo rpcb_procedures2[] = { }, [RPCBPROC_GETPORT] = { .p_proc = RPCBPROC_GETPORT, - .p_encode = (kxdrproc_t)rpcb_enc_mapping, - .p_decode = (kxdrproc_t)rpcb_dec_getport, + .p_encode = (kxdreproc_t)rpcb_enc_mapping, + .p_decode = (kxdrdproc_t)rpcb_dec_getport, .p_arglen = RPCB_mappingargs_sz, .p_replen = RPCB_getportres_sz, .p_statidx = RPCBPROC_GETPORT, @@ -904,8 +869,8 @@ static struct rpc_procinfo rpcb_procedures2[] = { static struct rpc_procinfo rpcb_procedures3[] = { [RPCBPROC_SET] = { .p_proc = RPCBPROC_SET, - .p_encode = (kxdrproc_t)rpcb_enc_getaddr, - .p_decode = (kxdrproc_t)rpcb_dec_set, + .p_encode = (kxdreproc_t)rpcb_enc_getaddr, + .p_decode = (kxdrdproc_t)rpcb_dec_set, .p_arglen = RPCB_getaddrargs_sz, .p_replen = RPCB_setres_sz, .p_statidx = RPCBPROC_SET, @@ -914,8 +879,8 @@ static struct rpc_procinfo rpcb_procedures3[] = { }, [RPCBPROC_UNSET] = { .p_proc = RPCBPROC_UNSET, - .p_encode = (kxdrproc_t)rpcb_enc_getaddr, - .p_decode = (kxdrproc_t)rpcb_dec_set, + .p_encode = (kxdreproc_t)rpcb_enc_getaddr, + .p_decode = (kxdrdproc_t)rpcb_dec_set, .p_arglen = RPCB_getaddrargs_sz, .p_replen = RPCB_setres_sz, .p_statidx = RPCBPROC_UNSET, @@ -924,8 +889,8 @@ static struct rpc_procinfo rpcb_procedures3[] = { }, [RPCBPROC_GETADDR] = { .p_proc = RPCBPROC_GETADDR, - .p_encode = (kxdrproc_t)rpcb_enc_getaddr, - .p_decode = (kxdrproc_t)rpcb_dec_getaddr, + .p_encode = (kxdreproc_t)rpcb_enc_getaddr, + .p_decode = (kxdrdproc_t)rpcb_dec_getaddr, .p_arglen = RPCB_getaddrargs_sz, .p_replen = RPCB_getaddrres_sz, .p_statidx = RPCBPROC_GETADDR, @@ -937,8 +902,8 @@ static struct rpc_procinfo rpcb_procedures3[] = { static struct rpc_procinfo rpcb_procedures4[] = { [RPCBPROC_SET] = { .p_proc = RPCBPROC_SET, - .p_encode = (kxdrproc_t)rpcb_enc_getaddr, - .p_decode = (kxdrproc_t)rpcb_dec_set, + .p_encode = (kxdreproc_t)rpcb_enc_getaddr, + .p_decode = (kxdrdproc_t)rpcb_dec_set, .p_arglen = RPCB_getaddrargs_sz, .p_replen = RPCB_setres_sz, .p_statidx = RPCBPROC_SET, @@ -947,8 +912,8 @@ static struct rpc_procinfo rpcb_procedures4[] = { }, [RPCBPROC_UNSET] = { .p_proc = RPCBPROC_UNSET, - .p_encode = (kxdrproc_t)rpcb_enc_getaddr, - .p_decode = (kxdrproc_t)rpcb_dec_set, + .p_encode = (kxdreproc_t)rpcb_enc_getaddr, + .p_decode = (kxdrdproc_t)rpcb_dec_set, .p_arglen = RPCB_getaddrargs_sz, .p_replen = RPCB_setres_sz, .p_statidx = RPCBPROC_UNSET, @@ -957,8 +922,8 @@ static struct rpc_procinfo rpcb_procedures4[] = { }, [RPCBPROC_GETADDR] = { .p_proc = RPCBPROC_GETADDR, - .p_encode = (kxdrproc_t)rpcb_enc_getaddr, - .p_decode = (kxdrproc_t)rpcb_dec_getaddr, + .p_encode = (kxdreproc_t)rpcb_enc_getaddr, + .p_decode = (kxdrdproc_t)rpcb_dec_getaddr, .p_arglen = RPCB_getaddrargs_sz, .p_replen = RPCB_getaddrres_sz, .p_statidx = RPCBPROC_GETADDR, @@ -993,19 +958,19 @@ static struct rpcb_info rpcb_next_version6[] = { static struct rpc_version rpcb_version2 = { .number = RPCBVERS_2, - .nrprocs = RPCB_HIGHPROC_2, + .nrprocs = ARRAY_SIZE(rpcb_procedures2), .procs = rpcb_procedures2 }; static struct rpc_version rpcb_version3 = { .number = RPCBVERS_3, - .nrprocs = RPCB_HIGHPROC_3, + .nrprocs = ARRAY_SIZE(rpcb_procedures3), .procs = rpcb_procedures3 }; static struct rpc_version rpcb_version4 = { .number = RPCBVERS_4, - .nrprocs = RPCB_HIGHPROC_4, + .nrprocs = ARRAY_SIZE(rpcb_procedures4), .procs = rpcb_procedures4 }; diff --git a/net/sunrpc/stats.c b/net/sunrpc/stats.c index f71a73107ae9..80df89d957ba 100644 --- a/net/sunrpc/stats.c +++ b/net/sunrpc/stats.c @@ -115,9 +115,7 @@ EXPORT_SYMBOL_GPL(svc_seq_show); */ struct rpc_iostats *rpc_alloc_iostats(struct rpc_clnt *clnt) { - struct rpc_iostats *new; - new = kcalloc(clnt->cl_maxproc, sizeof(struct rpc_iostats), GFP_KERNEL); - return new; + return kcalloc(clnt->cl_maxproc, sizeof(struct rpc_iostats), GFP_KERNEL); } EXPORT_SYMBOL_GPL(rpc_alloc_iostats); diff --git a/net/sunrpc/svc.c b/net/sunrpc/svc.c index 6359c42c4941..08e05a8ce025 100644 --- a/net/sunrpc/svc.c +++ b/net/sunrpc/svc.c @@ -488,10 +488,6 @@ svc_destroy(struct svc_serv *serv) if (svc_serv_is_pooled(serv)) svc_pool_map_put(); -#if defined(CONFIG_NFS_V4_1) - svc_sock_destroy(serv->bc_xprt); -#endif /* CONFIG_NFS_V4_1 */ - svc_unregister(serv); kfree(serv->sv_pools); kfree(serv); @@ -1005,6 +1001,7 @@ svc_process_common(struct svc_rqst *rqstp, struct kvec *argv, struct kvec *resv) rqstp->rq_splice_ok = 1; /* Will be turned off only when NFSv4 Sessions are used */ rqstp->rq_usedeferral = 1; + rqstp->rq_dropme = false; /* Setup reply header */ rqstp->rq_xprt->xpt_ops->xpo_prep_reply_hdr(rqstp); @@ -1106,7 +1103,7 @@ svc_process_common(struct svc_rqst *rqstp, struct kvec *argv, struct kvec *resv) *statp = procp->pc_func(rqstp, rqstp->rq_argp, rqstp->rq_resp); /* Encode reply */ - if (*statp == rpc_drop_reply) { + if (rqstp->rq_dropme) { if (procp->pc_release) procp->pc_release(rqstp, NULL, rqstp->rq_resp); goto dropit; @@ -1147,7 +1144,6 @@ svc_process_common(struct svc_rqst *rqstp, struct kvec *argv, struct kvec *resv) dropit: svc_authorise(rqstp); /* doesn't hurt to call this twice */ dprintk("svc: svc_process dropit\n"); - svc_drop(rqstp); return 0; err_short_len: @@ -1218,7 +1214,6 @@ svc_process(struct svc_rqst *rqstp) struct kvec *resv = &rqstp->rq_res.head[0]; struct svc_serv *serv = rqstp->rq_server; u32 dir; - int error; /* * Setup response xdr_buf. @@ -1246,11 +1241,13 @@ svc_process(struct svc_rqst *rqstp) return 0; } - error = svc_process_common(rqstp, argv, resv); - if (error <= 0) - return error; - - return svc_send(rqstp); + /* Returns 1 for send, 0 for drop */ + if (svc_process_common(rqstp, argv, resv)) + return svc_send(rqstp); + else { + svc_drop(rqstp); + return 0; + } } #if defined(CONFIG_NFS_V4_1) @@ -1264,10 +1261,9 @@ bc_svc_process(struct svc_serv *serv, struct rpc_rqst *req, { struct kvec *argv = &rqstp->rq_arg.head[0]; struct kvec *resv = &rqstp->rq_res.head[0]; - int error; /* Build the svc_rqst used by the common processing routine */ - rqstp->rq_xprt = serv->bc_xprt; + rqstp->rq_xprt = serv->sv_bc_xprt; rqstp->rq_xid = req->rq_xid; rqstp->rq_prot = req->rq_xprt->prot; rqstp->rq_server = serv; @@ -1292,12 +1288,15 @@ bc_svc_process(struct svc_serv *serv, struct rpc_rqst *req, svc_getu32(argv); /* XID */ svc_getnl(argv); /* CALLDIR */ - error = svc_process_common(rqstp, argv, resv); - if (error <= 0) - return error; - - memcpy(&req->rq_snd_buf, &rqstp->rq_res, sizeof(req->rq_snd_buf)); - return bc_send(req); + /* Returns 1 for send, 0 for drop */ + if (svc_process_common(rqstp, argv, resv)) { + memcpy(&req->rq_snd_buf, &rqstp->rq_res, + sizeof(req->rq_snd_buf)); + return bc_send(req); + } else { + /* Nothing to do to drop request */ + return 0; + } } EXPORT_SYMBOL(bc_svc_process); #endif /* CONFIG_NFS_V4_1 */ diff --git a/net/sunrpc/svc_xprt.c b/net/sunrpc/svc_xprt.c index c82fe739fbdc..ab86b7927f84 100644 --- a/net/sunrpc/svc_xprt.c +++ b/net/sunrpc/svc_xprt.c @@ -5,7 +5,6 @@ */ #include <linux/sched.h> -#include <linux/smp_lock.h> #include <linux/errno.h> #include <linux/freezer.h> #include <linux/kthread.h> @@ -14,6 +13,7 @@ #include <linux/sunrpc/stats.h> #include <linux/sunrpc/svc_xprt.h> #include <linux/sunrpc/svcsock.h> +#include <linux/sunrpc/xprt.h> #define RPCDBG_FACILITY RPCDBG_SVCXPRT @@ -129,6 +129,9 @@ static void svc_xprt_free(struct kref *kref) if (test_bit(XPT_CACHE_AUTH, &xprt->xpt_flags)) svcauth_unix_info_release(xprt); put_net(xprt->xpt_net); + /* See comment on corresponding get in xs_setup_bc_tcp(): */ + if (xprt->xpt_bc_xprt) + xprt_put(xprt->xpt_bc_xprt); xprt->xpt_ops->xpo_free(xprt); module_put(owner); } @@ -213,6 +216,7 @@ int svc_create_xprt(struct svc_serv *serv, const char *xprt_name, spin_lock(&svc_xprt_class_lock); list_for_each_entry(xcl, &svc_xprt_class_list, xcl_list) { struct svc_xprt *newxprt; + unsigned short newport; if (strcmp(xprt_name, xcl->xcl_name)) continue; @@ -231,8 +235,9 @@ int svc_create_xprt(struct svc_serv *serv, const char *xprt_name, spin_lock_bh(&serv->sv_lock); list_add(&newxprt->xpt_list, &serv->sv_permsocks); spin_unlock_bh(&serv->sv_lock); + newport = svc_xprt_local_port(newxprt); clear_bit(XPT_BUSY, &newxprt->xpt_flags); - return svc_xprt_local_port(newxprt); + return newport; } err: spin_unlock(&svc_xprt_class_lock); @@ -302,6 +307,15 @@ static void svc_thread_dequeue(struct svc_pool *pool, struct svc_rqst *rqstp) list_del(&rqstp->rq_list); } +static bool svc_xprt_has_something_to_do(struct svc_xprt *xprt) +{ + if (xprt->xpt_flags & ((1<<XPT_CONN)|(1<<XPT_CLOSE))) + return true; + if (xprt->xpt_flags & ((1<<XPT_DATA)|(1<<XPT_DEFERRED))) + return xprt->xpt_ops->xpo_has_wspace(xprt); + return false; +} + /* * Queue up a transport with data pending. If there are idle nfsd * processes, wake 'em up. @@ -314,8 +328,7 @@ void svc_xprt_enqueue(struct svc_xprt *xprt) struct svc_rqst *rqstp; int cpu; - if (!(xprt->xpt_flags & - ((1<<XPT_CONN)|(1<<XPT_DATA)|(1<<XPT_CLOSE)|(1<<XPT_DEFERRED)))) + if (!svc_xprt_has_something_to_do(xprt)) return; cpu = get_cpu(); @@ -342,28 +355,7 @@ void svc_xprt_enqueue(struct svc_xprt *xprt) dprintk("svc: transport %p busy, not enqueued\n", xprt); goto out_unlock; } - BUG_ON(xprt->xpt_pool != NULL); - xprt->xpt_pool = pool; - - /* Handle pending connection */ - if (test_bit(XPT_CONN, &xprt->xpt_flags)) - goto process; - - /* Handle close in-progress */ - if (test_bit(XPT_CLOSE, &xprt->xpt_flags)) - goto process; - - /* Check if we have space to reply to a request */ - if (!xprt->xpt_ops->xpo_has_wspace(xprt)) { - /* Don't enqueue while not enough space for reply */ - dprintk("svc: no write space, transport %p not enqueued\n", - xprt); - xprt->xpt_pool = NULL; - clear_bit(XPT_BUSY, &xprt->xpt_flags); - goto out_unlock; - } - process: if (!list_empty(&pool->sp_threads)) { rqstp = list_entry(pool->sp_threads.next, struct svc_rqst, @@ -380,13 +372,11 @@ void svc_xprt_enqueue(struct svc_xprt *xprt) rqstp->rq_reserved = serv->sv_max_mesg; atomic_add(rqstp->rq_reserved, &xprt->xpt_reserved); pool->sp_stats.threads_woken++; - BUG_ON(xprt->xpt_pool != pool); wake_up(&rqstp->rq_wait); } else { dprintk("svc: transport %p put into queue\n", xprt); list_add_tail(&xprt->xpt_ready, &pool->sp_sockets); pool->sp_stats.sockets_queued++; - BUG_ON(xprt->xpt_pool != pool); } out_unlock: @@ -425,9 +415,13 @@ static struct svc_xprt *svc_xprt_dequeue(struct svc_pool *pool) void svc_xprt_received(struct svc_xprt *xprt) { BUG_ON(!test_bit(XPT_BUSY, &xprt->xpt_flags)); - xprt->xpt_pool = NULL; + /* As soon as we clear busy, the xprt could be closed and + * 'put', so we need a reference to call svc_xprt_enqueue with: + */ + svc_xprt_get(xprt); clear_bit(XPT_BUSY, &xprt->xpt_flags); svc_xprt_enqueue(xprt); + svc_xprt_put(xprt); } EXPORT_SYMBOL_GPL(svc_xprt_received); @@ -716,7 +710,10 @@ int svc_recv(struct svc_rqst *rqstp, long timeout) if (test_bit(XPT_CLOSE, &xprt->xpt_flags)) { dprintk("svc_recv: found XPT_CLOSE\n"); svc_delete_xprt(xprt); - } else if (test_bit(XPT_LISTENER, &xprt->xpt_flags)) { + /* Leave XPT_BUSY set on the dead xprt: */ + goto out; + } + if (test_bit(XPT_LISTENER, &xprt->xpt_flags)) { struct svc_xprt *newxpt; newxpt = xprt->xpt_ops->xpo_accept(xprt); if (newxpt) { @@ -741,28 +738,23 @@ int svc_recv(struct svc_rqst *rqstp, long timeout) spin_unlock_bh(&serv->sv_lock); svc_xprt_received(newxpt); } - svc_xprt_received(xprt); - } else { + } else if (xprt->xpt_ops->xpo_has_wspace(xprt)) { dprintk("svc: server %p, pool %u, transport %p, inuse=%d\n", rqstp, pool->sp_id, xprt, atomic_read(&xprt->xpt_ref.refcount)); rqstp->rq_deferred = svc_deferred_dequeue(xprt); - if (rqstp->rq_deferred) { - svc_xprt_received(xprt); + if (rqstp->rq_deferred) len = svc_deferred_recv(rqstp); - } else { + else len = xprt->xpt_ops->xpo_recvfrom(rqstp); - svc_xprt_received(xprt); - } dprintk("svc: got len=%d\n", len); } + svc_xprt_received(xprt); /* No data, incomplete (TCP) read, or accept() */ - if (len == 0 || len == -EAGAIN) { - rqstp->rq_res.len = 0; - svc_xprt_release(rqstp); - return -EAGAIN; - } + if (len == 0 || len == -EAGAIN) + goto out; + clear_bit(XPT_OLD, &xprt->xpt_flags); rqstp->rq_secure = svc_port_is_privileged(svc_addr(rqstp)); @@ -771,6 +763,10 @@ int svc_recv(struct svc_rqst *rqstp, long timeout) if (serv->sv_stats) serv->sv_stats->netcnt++; return len; +out: + rqstp->rq_res.len = 0; + svc_xprt_release(rqstp); + return -EAGAIN; } EXPORT_SYMBOL_GPL(svc_recv); @@ -929,7 +925,12 @@ void svc_close_xprt(struct svc_xprt *xprt) if (test_and_set_bit(XPT_BUSY, &xprt->xpt_flags)) /* someone else will have to effect the close */ return; - + /* + * We expect svc_close_xprt() to work even when no threads are + * running (e.g., while configuring the server before starting + * any threads), so if the transport isn't busy, we delete + * it ourself: + */ svc_delete_xprt(xprt); } EXPORT_SYMBOL_GPL(svc_close_xprt); @@ -939,16 +940,16 @@ void svc_close_all(struct list_head *xprt_list) struct svc_xprt *xprt; struct svc_xprt *tmp; + /* + * The server is shutting down, and no more threads are running. + * svc_xprt_enqueue() might still be running, but at worst it + * will re-add the xprt to sp_sockets, which will soon get + * freed. So we don't bother with any more locking, and don't + * leave the close to the (nonexistent) server threads: + */ list_for_each_entry_safe(xprt, tmp, xprt_list, xpt_list) { set_bit(XPT_CLOSE, &xprt->xpt_flags); - if (test_bit(XPT_BUSY, &xprt->xpt_flags)) { - /* Waiting to be processed, but no threads left, - * So just remove it from the waiting list - */ - list_del_init(&xprt->xpt_ready); - clear_bit(XPT_BUSY, &xprt->xpt_flags); - } - svc_close_xprt(xprt); + svc_delete_xprt(xprt); } } @@ -1022,6 +1023,7 @@ static struct cache_deferred_req *svc_defer(struct cache_req *req) } svc_xprt_get(rqstp->rq_xprt); dr->xprt = rqstp->rq_xprt; + rqstp->rq_dropme = true; dr->handle.revisit = svc_revisit; return &dr->handle; @@ -1059,14 +1061,13 @@ static struct svc_deferred_req *svc_deferred_dequeue(struct svc_xprt *xprt) if (!test_bit(XPT_DEFERRED, &xprt->xpt_flags)) return NULL; spin_lock(&xprt->xpt_lock); - clear_bit(XPT_DEFERRED, &xprt->xpt_flags); if (!list_empty(&xprt->xpt_deferred)) { dr = list_entry(xprt->xpt_deferred.next, struct svc_deferred_req, handle.recent); list_del_init(&dr->handle.recent); - set_bit(XPT_DEFERRED, &xprt->xpt_flags); - } + } else + clear_bit(XPT_DEFERRED, &xprt->xpt_flags); spin_unlock(&xprt->xpt_lock); return dr; } diff --git a/net/sunrpc/svcauth.c b/net/sunrpc/svcauth.c index 4e9393c24687..7963569fc04f 100644 --- a/net/sunrpc/svcauth.c +++ b/net/sunrpc/svcauth.c @@ -118,7 +118,6 @@ EXPORT_SYMBOL_GPL(svc_auth_unregister); #define DN_HASHBITS 6 #define DN_HASHMAX (1<<DN_HASHBITS) -#define DN_HASHMASK (DN_HASHMAX-1) static struct hlist_head auth_domain_table[DN_HASHMAX]; static spinlock_t auth_domain_lock = diff --git a/net/sunrpc/svcauth_unix.c b/net/sunrpc/svcauth_unix.c index 560677d187f1..30916b06c12b 100644 --- a/net/sunrpc/svcauth_unix.c +++ b/net/sunrpc/svcauth_unix.c @@ -30,7 +30,9 @@ struct unix_domain { struct auth_domain h; +#ifdef CONFIG_NFSD_DEPRECATED int addr_changes; +#endif /* CONFIG_NFSD_DEPRECATED */ /* other stuff later */ }; @@ -64,7 +66,9 @@ struct auth_domain *unix_domain_find(char *name) return NULL; } new->h.flavour = &svcauth_unix; +#ifdef CONFIG_NFSD_DEPRECATED new->addr_changes = 0; +#endif /* CONFIG_NFSD_DEPRECATED */ rv = auth_domain_lookup(name, &new->h); } } @@ -85,14 +89,15 @@ static void svcauth_unix_domain_release(struct auth_domain *dom) */ #define IP_HASHBITS 8 #define IP_HASHMAX (1<<IP_HASHBITS) -#define IP_HASHMASK (IP_HASHMAX-1) struct ip_map { struct cache_head h; char m_class[8]; /* e.g. "nfsd" */ struct in6_addr m_addr; struct unix_domain *m_client; +#ifdef CONFIG_NFSD_DEPRECATED int m_add_change; +#endif /* CONFIG_NFSD_DEPRECATED */ }; static void ip_map_put(struct kref *kref) @@ -146,7 +151,9 @@ static void update(struct cache_head *cnew, struct cache_head *citem) kref_get(&item->m_client->h.ref); new->m_client = item->m_client; +#ifdef CONFIG_NFSD_DEPRECATED new->m_add_change = item->m_add_change; +#endif /* CONFIG_NFSD_DEPRECATED */ } static struct cache_head *ip_map_alloc(void) { @@ -331,6 +338,7 @@ static int __ip_map_update(struct cache_detail *cd, struct ip_map *ipm, ip.h.flags = 0; if (!udom) set_bit(CACHE_NEGATIVE, &ip.h.flags); +#ifdef CONFIG_NFSD_DEPRECATED else { ip.m_add_change = udom->addr_changes; /* if this is from the legacy set_client system call, @@ -339,6 +347,7 @@ static int __ip_map_update(struct cache_detail *cd, struct ip_map *ipm, if (expiry == NEVER) ip.m_add_change++; } +#endif /* CONFIG_NFSD_DEPRECATED */ ip.h.expiry_time = expiry; ch = sunrpc_cache_update(cd, &ip.h, &ipm->h, hash_str(ipm->m_class, IP_HASHBITS) ^ @@ -358,6 +367,7 @@ static inline int ip_map_update(struct net *net, struct ip_map *ipm, return __ip_map_update(sn->ip_map_cache, ipm, udom, expiry); } +#ifdef CONFIG_NFSD_DEPRECATED int auth_unix_add_addr(struct net *net, struct in6_addr *addr, struct auth_domain *dom) { struct unix_domain *udom; @@ -402,8 +412,7 @@ struct auth_domain *auth_unix_lookup(struct net *net, struct in6_addr *addr) return NULL; if ((ipm->m_client->addr_changes - ipm->m_add_change) >0) { - if (test_and_set_bit(CACHE_NEGATIVE, &ipm->h.flags) == 0) - auth_domain_put(&ipm->m_client->h); + sunrpc_invalidate(&ipm->h, sn->ip_map_cache); rv = NULL; } else { rv = &ipm->m_client->h; @@ -413,6 +422,7 @@ struct auth_domain *auth_unix_lookup(struct net *net, struct in6_addr *addr) return rv; } EXPORT_SYMBOL_GPL(auth_unix_lookup); +#endif /* CONFIG_NFSD_DEPRECATED */ void svcauth_unix_purge(void) { @@ -497,7 +507,6 @@ svcauth_unix_info_release(struct svc_xprt *xpt) */ #define GID_HASHBITS 8 #define GID_HASHMAX (1<<GID_HASHBITS) -#define GID_HASHMASK (GID_HASHMAX - 1) struct unix_gid { struct cache_head h; diff --git a/net/sunrpc/svcsock.c b/net/sunrpc/svcsock.c index 07919e16be3e..7bd3bbba4710 100644 --- a/net/sunrpc/svcsock.c +++ b/net/sunrpc/svcsock.c @@ -66,6 +66,13 @@ static void svc_sock_free(struct svc_xprt *); static struct svc_xprt *svc_create_socket(struct svc_serv *, int, struct net *, struct sockaddr *, int, int); +#if defined(CONFIG_NFS_V4_1) +static struct svc_xprt *svc_bc_create_socket(struct svc_serv *, int, + struct net *, struct sockaddr *, + int, int); +static void svc_bc_sock_free(struct svc_xprt *xprt); +#endif /* CONFIG_NFS_V4_1 */ + #ifdef CONFIG_DEBUG_LOCK_ALLOC static struct lock_class_key svc_key[2]; static struct lock_class_key svc_slock_key[2]; @@ -324,19 +331,21 @@ int svc_sock_names(struct svc_serv *serv, char *buf, const size_t buflen, len = onelen; break; } - if (toclose && strcmp(toclose, buf + len) == 0) + if (toclose && strcmp(toclose, buf + len) == 0) { closesk = svsk; - else + svc_xprt_get(&closesk->sk_xprt); + } else len += onelen; } spin_unlock_bh(&serv->sv_lock); - if (closesk) + if (closesk) { /* Should unregister with portmap, but you cannot * unregister just one protocol... */ svc_close_xprt(&closesk->sk_xprt); - else if (toclose) + svc_xprt_put(&closesk->sk_xprt); + } else if (toclose) return -ENOENT; return len; } @@ -985,15 +994,17 @@ static int svc_process_calldir(struct svc_sock *svsk, struct svc_rqst *rqstp, vec[0] = rqstp->rq_arg.head[0]; } else { /* REPLY */ - if (svsk->sk_bc_xprt) - req = xprt_lookup_rqst(svsk->sk_bc_xprt, xid); + struct rpc_xprt *bc_xprt = svsk->sk_xprt.xpt_bc_xprt; + + if (bc_xprt) + req = xprt_lookup_rqst(bc_xprt, xid); if (!req) { printk(KERN_NOTICE "%s: Got unrecognized reply: " - "calldir 0x%x sk_bc_xprt %p xid %08x\n", + "calldir 0x%x xpt_bc_xprt %p xid %08x\n", __func__, ntohl(calldir), - svsk->sk_bc_xprt, xid); + bc_xprt, xid); vec[0] = rqstp->rq_arg.head[0]; goto out; } @@ -1184,6 +1195,57 @@ static struct svc_xprt *svc_tcp_create(struct svc_serv *serv, return svc_create_socket(serv, IPPROTO_TCP, net, sa, salen, flags); } +#if defined(CONFIG_NFS_V4_1) +static struct svc_xprt *svc_bc_create_socket(struct svc_serv *, int, + struct net *, struct sockaddr *, + int, int); +static void svc_bc_sock_free(struct svc_xprt *xprt); + +static struct svc_xprt *svc_bc_tcp_create(struct svc_serv *serv, + struct net *net, + struct sockaddr *sa, int salen, + int flags) +{ + return svc_bc_create_socket(serv, IPPROTO_TCP, net, sa, salen, flags); +} + +static void svc_bc_tcp_sock_detach(struct svc_xprt *xprt) +{ +} + +static struct svc_xprt_ops svc_tcp_bc_ops = { + .xpo_create = svc_bc_tcp_create, + .xpo_detach = svc_bc_tcp_sock_detach, + .xpo_free = svc_bc_sock_free, + .xpo_prep_reply_hdr = svc_tcp_prep_reply_hdr, +}; + +static struct svc_xprt_class svc_tcp_bc_class = { + .xcl_name = "tcp-bc", + .xcl_owner = THIS_MODULE, + .xcl_ops = &svc_tcp_bc_ops, + .xcl_max_payload = RPCSVC_MAXPAYLOAD_TCP, +}; + +static void svc_init_bc_xprt_sock(void) +{ + svc_reg_xprt_class(&svc_tcp_bc_class); +} + +static void svc_cleanup_bc_xprt_sock(void) +{ + svc_unreg_xprt_class(&svc_tcp_bc_class); +} +#else /* CONFIG_NFS_V4_1 */ +static void svc_init_bc_xprt_sock(void) +{ +} + +static void svc_cleanup_bc_xprt_sock(void) +{ +} +#endif /* CONFIG_NFS_V4_1 */ + static struct svc_xprt_ops svc_tcp_ops = { .xpo_create = svc_tcp_create, .xpo_recvfrom = svc_tcp_recvfrom, @@ -1207,12 +1269,14 @@ void svc_init_xprt_sock(void) { svc_reg_xprt_class(&svc_tcp_class); svc_reg_xprt_class(&svc_udp_class); + svc_init_bc_xprt_sock(); } void svc_cleanup_xprt_sock(void) { svc_unreg_xprt_class(&svc_tcp_class); svc_unreg_xprt_class(&svc_udp_class); + svc_cleanup_bc_xprt_sock(); } static void svc_tcp_init(struct svc_sock *svsk, struct svc_serv *serv) @@ -1509,41 +1573,45 @@ static void svc_sock_free(struct svc_xprt *xprt) kfree(svsk); } +#if defined(CONFIG_NFS_V4_1) /* - * Create a svc_xprt. - * - * For internal use only (e.g. nfsv4.1 backchannel). - * Callers should typically use the xpo_create() method. + * Create a back channel svc_xprt which shares the fore channel socket. */ -struct svc_xprt *svc_sock_create(struct svc_serv *serv, int prot) +static struct svc_xprt *svc_bc_create_socket(struct svc_serv *serv, + int protocol, + struct net *net, + struct sockaddr *sin, int len, + int flags) { struct svc_sock *svsk; - struct svc_xprt *xprt = NULL; + struct svc_xprt *xprt; + + if (protocol != IPPROTO_TCP) { + printk(KERN_WARNING "svc: only TCP sockets" + " supported on shared back channel\n"); + return ERR_PTR(-EINVAL); + } - dprintk("svc: %s\n", __func__); svsk = kzalloc(sizeof(*svsk), GFP_KERNEL); if (!svsk) - goto out; + return ERR_PTR(-ENOMEM); xprt = &svsk->sk_xprt; - if (prot == IPPROTO_TCP) - svc_xprt_init(&svc_tcp_class, xprt, serv); - else if (prot == IPPROTO_UDP) - svc_xprt_init(&svc_udp_class, xprt, serv); - else - BUG(); -out: - dprintk("svc: %s return %p\n", __func__, xprt); + svc_xprt_init(&svc_tcp_bc_class, xprt, serv); + + serv->sv_bc_xprt = xprt; + return xprt; } -EXPORT_SYMBOL_GPL(svc_sock_create); /* - * Destroy a svc_sock. + * Free a back channel svc_sock. */ -void svc_sock_destroy(struct svc_xprt *xprt) +static void svc_bc_sock_free(struct svc_xprt *xprt) { - if (xprt) + if (xprt) { + kfree(xprt->xpt_bc_sid); kfree(container_of(xprt, struct svc_sock, sk_xprt)); + } } -EXPORT_SYMBOL_GPL(svc_sock_destroy); +#endif /* CONFIG_NFS_V4_1 */ diff --git a/net/sunrpc/xdr.c b/net/sunrpc/xdr.c index cd9e841e7492..679cd674b81d 100644 --- a/net/sunrpc/xdr.c +++ b/net/sunrpc/xdr.c @@ -552,6 +552,74 @@ void xdr_write_pages(struct xdr_stream *xdr, struct page **pages, unsigned int b } EXPORT_SYMBOL_GPL(xdr_write_pages); +static void xdr_set_iov(struct xdr_stream *xdr, struct kvec *iov, + __be32 *p, unsigned int len) +{ + if (len > iov->iov_len) + len = iov->iov_len; + if (p == NULL) + p = (__be32*)iov->iov_base; + xdr->p = p; + xdr->end = (__be32*)(iov->iov_base + len); + xdr->iov = iov; + xdr->page_ptr = NULL; +} + +static int xdr_set_page_base(struct xdr_stream *xdr, + unsigned int base, unsigned int len) +{ + unsigned int pgnr; + unsigned int maxlen; + unsigned int pgoff; + unsigned int pgend; + void *kaddr; + + maxlen = xdr->buf->page_len; + if (base >= maxlen) + return -EINVAL; + maxlen -= base; + if (len > maxlen) + len = maxlen; + + base += xdr->buf->page_base; + + pgnr = base >> PAGE_SHIFT; + xdr->page_ptr = &xdr->buf->pages[pgnr]; + kaddr = page_address(*xdr->page_ptr); + + pgoff = base & ~PAGE_MASK; + xdr->p = (__be32*)(kaddr + pgoff); + + pgend = pgoff + len; + if (pgend > PAGE_SIZE) + pgend = PAGE_SIZE; + xdr->end = (__be32*)(kaddr + pgend); + xdr->iov = NULL; + return 0; +} + +static void xdr_set_next_page(struct xdr_stream *xdr) +{ + unsigned int newbase; + + newbase = (1 + xdr->page_ptr - xdr->buf->pages) << PAGE_SHIFT; + newbase -= xdr->buf->page_base; + + if (xdr_set_page_base(xdr, newbase, PAGE_SIZE) < 0) + xdr_set_iov(xdr, xdr->buf->tail, NULL, xdr->buf->len); +} + +static bool xdr_set_next_buffer(struct xdr_stream *xdr) +{ + if (xdr->page_ptr != NULL) + xdr_set_next_page(xdr); + else if (xdr->iov == xdr->buf->head) { + if (xdr_set_page_base(xdr, 0, PAGE_SIZE) < 0) + xdr_set_iov(xdr, xdr->buf->tail, NULL, xdr->buf->len); + } + return xdr->p != xdr->end; +} + /** * xdr_init_decode - Initialize an xdr_stream for decoding data. * @xdr: pointer to xdr_stream struct @@ -560,41 +628,67 @@ EXPORT_SYMBOL_GPL(xdr_write_pages); */ void xdr_init_decode(struct xdr_stream *xdr, struct xdr_buf *buf, __be32 *p) { - struct kvec *iov = buf->head; - unsigned int len = iov->iov_len; - - if (len > buf->len) - len = buf->len; xdr->buf = buf; - xdr->iov = iov; - xdr->p = p; - xdr->end = (__be32 *)((char *)iov->iov_base + len); + xdr->scratch.iov_base = NULL; + xdr->scratch.iov_len = 0; + if (buf->head[0].iov_len != 0) + xdr_set_iov(xdr, buf->head, p, buf->len); + else if (buf->page_len != 0) + xdr_set_page_base(xdr, 0, buf->len); } EXPORT_SYMBOL_GPL(xdr_init_decode); -/** - * xdr_inline_peek - Allow read-ahead in the XDR data stream - * @xdr: pointer to xdr_stream struct - * @nbytes: number of bytes of data to decode - * - * Check if the input buffer is long enough to enable us to decode - * 'nbytes' more bytes of data starting at the current position. - * If so return the current pointer without updating the current - * pointer position. - */ -__be32 * xdr_inline_peek(struct xdr_stream *xdr, size_t nbytes) +static __be32 * __xdr_inline_decode(struct xdr_stream *xdr, size_t nbytes) { __be32 *p = xdr->p; __be32 *q = p + XDR_QUADLEN(nbytes); if (unlikely(q > xdr->end || q < p)) return NULL; + xdr->p = q; return p; } -EXPORT_SYMBOL_GPL(xdr_inline_peek); /** - * xdr_inline_decode - Retrieve non-page XDR data to decode + * xdr_set_scratch_buffer - Attach a scratch buffer for decoding data. + * @xdr: pointer to xdr_stream struct + * @buf: pointer to an empty buffer + * @buflen: size of 'buf' + * + * The scratch buffer is used when decoding from an array of pages. + * If an xdr_inline_decode() call spans across page boundaries, then + * we copy the data into the scratch buffer in order to allow linear + * access. + */ +void xdr_set_scratch_buffer(struct xdr_stream *xdr, void *buf, size_t buflen) +{ + xdr->scratch.iov_base = buf; + xdr->scratch.iov_len = buflen; +} +EXPORT_SYMBOL_GPL(xdr_set_scratch_buffer); + +static __be32 *xdr_copy_to_scratch(struct xdr_stream *xdr, size_t nbytes) +{ + __be32 *p; + void *cpdest = xdr->scratch.iov_base; + size_t cplen = (char *)xdr->end - (char *)xdr->p; + + if (nbytes > xdr->scratch.iov_len) + return NULL; + memcpy(cpdest, xdr->p, cplen); + cpdest += cplen; + nbytes -= cplen; + if (!xdr_set_next_buffer(xdr)) + return NULL; + p = __xdr_inline_decode(xdr, nbytes); + if (p == NULL) + return NULL; + memcpy(cpdest, p, nbytes); + return xdr->scratch.iov_base; +} + +/** + * xdr_inline_decode - Retrieve XDR data to decode * @xdr: pointer to xdr_stream struct * @nbytes: number of bytes of data to decode * @@ -605,13 +699,16 @@ EXPORT_SYMBOL_GPL(xdr_inline_peek); */ __be32 * xdr_inline_decode(struct xdr_stream *xdr, size_t nbytes) { - __be32 *p = xdr->p; - __be32 *q = p + XDR_QUADLEN(nbytes); + __be32 *p; - if (unlikely(q > xdr->end || q < p)) + if (nbytes == 0) + return xdr->p; + if (xdr->p == xdr->end && !xdr_set_next_buffer(xdr)) return NULL; - xdr->p = q; - return p; + p = __xdr_inline_decode(xdr, nbytes); + if (p != NULL) + return p; + return xdr_copy_to_scratch(xdr, nbytes); } EXPORT_SYMBOL_GPL(xdr_inline_decode); @@ -671,16 +768,12 @@ EXPORT_SYMBOL_GPL(xdr_read_pages); */ void xdr_enter_page(struct xdr_stream *xdr, unsigned int len) { - char * kaddr = page_address(xdr->buf->pages[0]); xdr_read_pages(xdr, len); /* * Position current pointer at beginning of tail, and * set remaining message length. */ - if (len > PAGE_CACHE_SIZE - xdr->buf->page_base) - len = PAGE_CACHE_SIZE - xdr->buf->page_base; - xdr->p = (__be32 *)(kaddr + xdr->buf->page_base); - xdr->end = (__be32 *)((char *)xdr->p + len); + xdr_set_page_base(xdr, 0, len); } EXPORT_SYMBOL_GPL(xdr_enter_page); diff --git a/net/sunrpc/xprt.c b/net/sunrpc/xprt.c index 4c8f18aff7c3..856274d7e85c 100644 --- a/net/sunrpc/xprt.c +++ b/net/sunrpc/xprt.c @@ -965,6 +965,7 @@ struct rpc_xprt *xprt_alloc(struct net *net, int size, int max_req) xprt = kzalloc(size, GFP_KERNEL); if (xprt == NULL) goto out; + kref_init(&xprt->kref); xprt->max_reqs = max_req; xprt->slot = kcalloc(max_req, sizeof(struct rpc_rqst), GFP_KERNEL); @@ -1101,8 +1102,10 @@ found: -PTR_ERR(xprt)); return xprt; } + if (test_and_set_bit(XPRT_INITIALIZED, &xprt->state)) + /* ->setup returned a pre-initialized xprt: */ + return xprt; - kref_init(&xprt->kref); spin_lock_init(&xprt->transport_lock); spin_lock_init(&xprt->reserve_lock); diff --git a/net/sunrpc/xprtsock.c b/net/sunrpc/xprtsock.c index dfcab5ac65af..c431f5a57960 100644 --- a/net/sunrpc/xprtsock.c +++ b/net/sunrpc/xprtsock.c @@ -770,7 +770,7 @@ static void xs_destroy(struct rpc_xprt *xprt) dprintk("RPC: xs_destroy xprt %p\n", xprt); - cancel_rearming_delayed_work(&transport->connect_worker); + cancel_delayed_work_sync(&transport->connect_worker); xs_close(xprt); xs_free_peer_addresses(xprt); @@ -2359,6 +2359,15 @@ static struct rpc_xprt *xs_setup_bc_tcp(struct xprt_create *args) struct svc_sock *bc_sock; struct rpc_xprt *ret; + if (args->bc_xprt->xpt_bc_xprt) { + /* + * This server connection already has a backchannel + * export; we can't create a new one, as we wouldn't be + * able to match replies based on xid any more. So, + * reuse the already-existing one: + */ + return args->bc_xprt->xpt_bc_xprt; + } xprt = xs_setup_xprt(args, xprt_tcp_slot_table_entries); if (IS_ERR(xprt)) return xprt; @@ -2375,16 +2384,6 @@ static struct rpc_xprt *xs_setup_bc_tcp(struct xprt_create *args) xprt->reestablish_timeout = 0; xprt->idle_timeout = 0; - /* - * The backchannel uses the same socket connection as the - * forechannel - */ - xprt->bc_xprt = args->bc_xprt; - bc_sock = container_of(args->bc_xprt, struct svc_sock, sk_xprt); - bc_sock->sk_bc_xprt = xprt; - transport->sock = bc_sock->sk_sock; - transport->inet = bc_sock->sk_sk; - xprt->ops = &bc_tcp_ops; switch (addr->sa_family) { @@ -2407,6 +2406,20 @@ static struct rpc_xprt *xs_setup_bc_tcp(struct xprt_create *args) xprt->address_strings[RPC_DISPLAY_PROTO]); /* + * Once we've associated a backchannel xprt with a connection, + * we want to keep it around as long as long as the connection + * lasts, in case we need to start using it for a backchannel + * again; this reference won't be dropped until bc_xprt is + * destroyed. + */ + xprt_get(xprt); + args->bc_xprt->xpt_bc_xprt = xprt; + xprt->bc_xprt = args->bc_xprt; + bc_sock = container_of(args->bc_xprt, struct svc_sock, sk_xprt); + transport->sock = bc_sock->sk_sock; + transport->inet = bc_sock->sk_sk; + + /* * Since we don't want connections for the backchannel, we set * the xprt status to connected */ @@ -2415,6 +2428,7 @@ static struct rpc_xprt *xs_setup_bc_tcp(struct xprt_create *args) if (try_module_get(THIS_MODULE)) return xprt; + xprt_put(xprt); ret = ERR_PTR(-EINVAL); out_err: xprt_free(xprt); diff --git a/net/tipc/Kconfig b/net/tipc/Kconfig index b74f78d0c033..0436927369f3 100644 --- a/net/tipc/Kconfig +++ b/net/tipc/Kconfig @@ -29,28 +29,6 @@ config TIPC_ADVANCED Saying Y here will open some advanced configuration for TIPC. Most users do not need to bother; if unsure, just say N. -config TIPC_ZONES - int "Maximum number of zones in a network" - depends on TIPC_ADVANCED - range 1 255 - default "3" - help - Specifies how many zones can be supported in a TIPC network. - Can range from 1 to 255 zones; default is 3. - - Setting this to a smaller value saves some memory; - setting it to a higher value allows for more zones. - -config TIPC_CLUSTERS - int "Maximum number of clusters in a zone" - depends on TIPC_ADVANCED - range 1 1 - default "1" - help - Specifies how many clusters can be supported in a TIPC zone. - - *** Currently TIPC only supports a single cluster per zone. *** - config TIPC_NODES int "Maximum number of nodes in a cluster" depends on TIPC_ADVANCED @@ -72,7 +50,7 @@ config TIPC_PORTS Specifies how many ports can be supported by a node. Can range from 127 to 65535 ports; default is 8191. - Setting this to a smaller value saves some memory, + Setting this to a smaller value saves some memory, setting it to higher allows for more ports. config TIPC_LOG @@ -89,12 +67,15 @@ config TIPC_LOG managed remotely via TIPC. config TIPC_DEBUG - bool "Enable debug messages" + bool "Enable debugging support" default n help - This enables debugging of TIPC. + Saying Y here enables TIPC debugging capabilities used by developers. + Most users do not need to bother; if unsure, just say N. - Only say Y here if you are having trouble with TIPC. It will - enable the display of detailed information about what is going on. + Enabling debugging support causes TIPC to display data about its + internal state when certain abnormal conditions occur. It also + makes it easy for developers to capture additional information of + interest using the dbg() or msg_dbg() macros. endif # TIPC diff --git a/net/tipc/Makefile b/net/tipc/Makefile index dceb7027946c..521d24d04ab2 100644 --- a/net/tipc/Makefile +++ b/net/tipc/Makefile @@ -4,10 +4,10 @@ obj-$(CONFIG_TIPC) := tipc.o -tipc-y += addr.o bcast.o bearer.o config.o cluster.o \ +tipc-y += addr.o bcast.o bearer.o config.o \ core.o handler.o link.o discover.o msg.o \ name_distr.o subscr.o name_table.o net.o \ netlink.o node.o node_subscr.o port.o ref.o \ - socket.o user_reg.o zone.o dbg.o eth_media.o + socket.o log.o eth_media.o # End of file diff --git a/net/tipc/addr.c b/net/tipc/addr.c index 886715a75259..88463d9a6f12 100644 --- a/net/tipc/addr.c +++ b/net/tipc/addr.c @@ -36,8 +36,6 @@ #include "core.h" #include "addr.h" -#include "zone.h" -#include "cluster.h" /** * tipc_addr_domain_valid - validates a network domain address @@ -55,14 +53,8 @@ int tipc_addr_domain_valid(u32 addr) u32 z = tipc_zone(addr); u32 max_nodes = tipc_max_nodes; - if (is_slave(addr)) - max_nodes = LOWEST_SLAVE + tipc_max_slaves; if (n > max_nodes) return 0; - if (c > tipc_max_clusters) - return 0; - if (z > tipc_max_zones) - return 0; if (n && (!z || !c)) return 0; diff --git a/net/tipc/addr.h b/net/tipc/addr.h index c1cc5724d8cc..2490fadd0caf 100644 --- a/net/tipc/addr.h +++ b/net/tipc/addr.h @@ -37,36 +37,11 @@ #ifndef _TIPC_ADDR_H #define _TIPC_ADDR_H -static inline u32 own_node(void) -{ - return tipc_node(tipc_own_addr); -} - -static inline u32 own_cluster(void) -{ - return tipc_cluster(tipc_own_addr); -} - -static inline u32 own_zone(void) -{ - return tipc_zone(tipc_own_addr); -} - static inline int in_own_cluster(u32 addr) { return !((addr ^ tipc_own_addr) >> 12); } -static inline int is_slave(u32 addr) -{ - return addr & 0x800; -} - -static inline int may_route(u32 addr) -{ - return(addr ^ tipc_own_addr) >> 11; -} - /** * addr_domain - convert 2-bit scope value to equivalent message lookup domain * diff --git a/net/tipc/bcast.c b/net/tipc/bcast.c index 6d828d9eda42..70ab5ef48766 100644 --- a/net/tipc/bcast.c +++ b/net/tipc/bcast.c @@ -38,15 +38,12 @@ #include "core.h" #include "link.h" #include "port.h" -#include "name_distr.h" #include "bcast.h" #define MAX_PKT_DEFAULT_MCAST 1500 /* bcast link max packet size (fixed) */ #define BCLINK_WIN_DEFAULT 20 /* bcast link window size (default) */ -#define BCLINK_LOG_BUF_SIZE 0 - /* * Loss rate for incoming broadcast frames; used to test retransmission code. * Set to N to cause every N'th frame to be discarded; 0 => don't discard any. @@ -106,11 +103,14 @@ struct bclink { }; -static struct bcbearer *bcbearer = NULL; -static struct bclink *bclink = NULL; -static struct link *bcl = NULL; +static struct bcbearer *bcbearer; +static struct bclink *bclink; +static struct link *bcl; static DEFINE_SPINLOCK(bc_lock); +/* broadcast-capable node map */ +struct tipc_node_map tipc_bcast_nmap; + const char tipc_bclink_name[] = "broadcast-link"; static void tipc_nmap_diff(struct tipc_node_map *nm_a, @@ -196,9 +196,8 @@ static void bclink_retransmit_pkt(u32 after, u32 to) struct sk_buff *buf; buf = bcl->first_out; - while (buf && less_eq(buf_seqno(buf), after)) { + while (buf && less_eq(buf_seqno(buf), after)) buf = buf->next; - } tipc_link_retransmit(bcl, buf, mod(to - after)); } @@ -224,9 +223,8 @@ void tipc_bclink_acknowledge(struct tipc_node *n_ptr, u32 acked) /* Skip over packets that node has previously acknowledged */ crs = bcl->first_out; - while (crs && less_eq(buf_seqno(crs), n_ptr->bclink.acked)) { + while (crs && less_eq(buf_seqno(crs), n_ptr->bclink.acked)) crs = crs->next; - } /* Update packets that node is now acknowledging */ @@ -425,16 +423,14 @@ int tipc_bclink_send_msg(struct sk_buff *buf) void tipc_bclink_recv_pkt(struct sk_buff *buf) { #if (TIPC_BCAST_LOSS_RATE) - static int rx_count = 0; + static int rx_count; #endif struct tipc_msg *msg = buf_msg(buf); - struct tipc_node* node = tipc_node_find(msg_prevnode(msg)); + struct tipc_node *node = tipc_node_find(msg_prevnode(msg)); u32 next_in; u32 seqno; struct sk_buff *deferred; - msg_dbg(msg, "<BC<<<"); - if (unlikely(!node || !tipc_node_is_up(node) || !node->bclink.supported || (msg_mc_netid(msg) != tipc_net_id))) { buf_discard(buf); @@ -442,7 +438,6 @@ void tipc_bclink_recv_pkt(struct sk_buff *buf) } if (unlikely(msg_user(msg) == BCAST_PROTOCOL)) { - msg_dbg(msg, "<BCNACK<<<"); if (msg_destnode(msg) == tipc_own_addr) { tipc_node_lock(node); tipc_bclink_acknowledge(node, msg_bcast_ack(msg)); @@ -566,8 +561,8 @@ static int tipc_bcbearer_send(struct sk_buff *buf, if (likely(!msg_non_seq(buf_msg(buf)))) { struct tipc_msg *msg; - assert(tipc_cltr_bcast_nodes.count != 0); - bcbuf_set_acks(buf, tipc_cltr_bcast_nodes.count); + assert(tipc_bcast_nmap.count != 0); + bcbuf_set_acks(buf, tipc_bcast_nmap.count); msg = buf_msg(buf); msg_set_non_seq(msg, 1); msg_set_mc_netid(msg, tipc_net_id); @@ -576,7 +571,7 @@ static int tipc_bcbearer_send(struct sk_buff *buf, /* Send buffer over bearers until all targets reached */ - bcbearer->remains = tipc_cltr_bcast_nodes; + bcbearer->remains = tipc_bcast_nmap; for (bp_index = 0; bp_index < MAX_BEARERS; bp_index++) { struct bearer *p = bcbearer->bpairs[bp_index].primary; @@ -774,7 +769,6 @@ int tipc_bclink_init(void) bcbearer = kzalloc(sizeof(*bcbearer), GFP_ATOMIC); bclink = kzalloc(sizeof(*bclink), GFP_ATOMIC); if (!bcbearer || !bclink) { - nomem: warn("Multicast link creation failed, no memory\n"); kfree(bcbearer); bcbearer = NULL; @@ -799,14 +793,6 @@ int tipc_bclink_init(void) bcl->state = WORKING_WORKING; strlcpy(bcl->name, tipc_bclink_name, TIPC_MAX_LINK_NAME); - if (BCLINK_LOG_BUF_SIZE) { - char *pb = kmalloc(BCLINK_LOG_BUF_SIZE, GFP_ATOMIC); - - if (!pb) - goto nomem; - tipc_printbuf_init(&bcl->print_buf, pb, BCLINK_LOG_BUF_SIZE); - } - return 0; } @@ -815,8 +801,6 @@ void tipc_bclink_stop(void) spin_lock_bh(&bc_lock); if (bcbearer) { tipc_link_stop(bcl); - if (BCLINK_LOG_BUF_SIZE) - kfree(bcl->print_buf.buf); bcl = NULL; kfree(bclink); bclink = NULL; diff --git a/net/tipc/bcast.h b/net/tipc/bcast.h index 011c03f0a4ab..51f8c5326ce6 100644 --- a/net/tipc/bcast.h +++ b/net/tipc/bcast.h @@ -51,6 +51,7 @@ struct tipc_node_map { u32 map[MAX_NODES / WSIZE]; }; +extern struct tipc_node_map tipc_bcast_nmap; #define PLSIZE 32 diff --git a/net/tipc/bearer.c b/net/tipc/bearer.c index 885da94be4ac..837b7a467885 100644 --- a/net/tipc/bearer.c +++ b/net/tipc/bearer.c @@ -37,13 +37,12 @@ #include "core.h" #include "config.h" #include "bearer.h" -#include "port.h" #include "discover.h" #define MAX_ADDR_STR 32 static struct media media_list[MAX_MEDIA]; -static u32 media_count = 0; +static u32 media_count; struct bearer tipc_bearers[MAX_BEARERS]; @@ -164,7 +163,6 @@ int tipc_register_media(u32 media_type, m_ptr->priority = bearer_priority; m_ptr->tolerance = link_tolerance; m_ptr->window = send_window_limit; - dbg("Media <%s> registered\n", name); res = 0; exit: write_unlock_bh(&tipc_net_lock); @@ -196,9 +194,8 @@ void tipc_media_addr_printf(struct print_buf *pb, struct tipc_media_addr *a) unchar *addr = (unchar *)&a->dev_addr; tipc_printf(pb, "UNKNOWN(%u)", media_type); - for (i = 0; i < (sizeof(*a) - sizeof(a->type)); i++) { + for (i = 0; i < (sizeof(*a) - sizeof(a->type)); i++) tipc_printf(pb, "-%02x", addr[i]); - } } } @@ -253,7 +250,8 @@ static int bearer_name_validate(const char *name, /* ensure all component parts of bearer name are present */ media_name = name_copy; - if ((if_name = strchr(media_name, ':')) == NULL) + if_name = strchr(media_name, ':'); + if (if_name == NULL) return 0; *(if_name++) = 0; media_len = if_name - media_name; diff --git a/net/tipc/cluster.c b/net/tipc/cluster.c deleted file mode 100644 index 405be87157ba..000000000000 --- a/net/tipc/cluster.c +++ /dev/null @@ -1,550 +0,0 @@ -/* - * net/tipc/cluster.c: TIPC cluster management routines - * - * Copyright (c) 2000-2006, Ericsson AB - * Copyright (c) 2005, Wind River Systems - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions are met: - * - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution. - * 3. Neither the names of the copyright holders nor the names of its - * contributors may be used to endorse or promote products derived from - * this software without specific prior written permission. - * - * Alternatively, this software may be distributed under the terms of the - * GNU General Public License ("GPL") version 2 as published by the Free - * Software Foundation. - * - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" - * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE - * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE - * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR - * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF - * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS - * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN - * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) - * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE - * POSSIBILITY OF SUCH DAMAGE. - */ - -#include "core.h" -#include "cluster.h" -#include "link.h" - -static void tipc_cltr_multicast(struct cluster *c_ptr, struct sk_buff *buf, - u32 lower, u32 upper); - -struct tipc_node **tipc_local_nodes = NULL; -struct tipc_node_map tipc_cltr_bcast_nodes = {0,{0,}}; -u32 tipc_highest_allowed_slave = 0; - -struct cluster *tipc_cltr_create(u32 addr) -{ - struct _zone *z_ptr; - struct cluster *c_ptr; - int max_nodes; - - c_ptr = kzalloc(sizeof(*c_ptr), GFP_ATOMIC); - if (c_ptr == NULL) { - warn("Cluster creation failure, no memory\n"); - return NULL; - } - - c_ptr->addr = tipc_addr(tipc_zone(addr), tipc_cluster(addr), 0); - if (in_own_cluster(addr)) - max_nodes = LOWEST_SLAVE + tipc_max_slaves; - else - max_nodes = tipc_max_nodes + 1; - - c_ptr->nodes = kcalloc(max_nodes + 1, sizeof(void*), GFP_ATOMIC); - if (c_ptr->nodes == NULL) { - warn("Cluster creation failure, no memory for node area\n"); - kfree(c_ptr); - return NULL; - } - - if (in_own_cluster(addr)) - tipc_local_nodes = c_ptr->nodes; - c_ptr->highest_slave = LOWEST_SLAVE - 1; - c_ptr->highest_node = 0; - - z_ptr = tipc_zone_find(tipc_zone(addr)); - if (!z_ptr) { - z_ptr = tipc_zone_create(addr); - } - if (!z_ptr) { - kfree(c_ptr->nodes); - kfree(c_ptr); - return NULL; - } - - tipc_zone_attach_cluster(z_ptr, c_ptr); - c_ptr->owner = z_ptr; - return c_ptr; -} - -void tipc_cltr_delete(struct cluster *c_ptr) -{ - u32 n_num; - - if (!c_ptr) - return; - for (n_num = 1; n_num <= c_ptr->highest_node; n_num++) { - tipc_node_delete(c_ptr->nodes[n_num]); - } - for (n_num = LOWEST_SLAVE; n_num <= c_ptr->highest_slave; n_num++) { - tipc_node_delete(c_ptr->nodes[n_num]); - } - kfree(c_ptr->nodes); - kfree(c_ptr); -} - - -void tipc_cltr_attach_node(struct cluster *c_ptr, struct tipc_node *n_ptr) -{ - u32 n_num = tipc_node(n_ptr->addr); - u32 max_n_num = tipc_max_nodes; - - if (in_own_cluster(n_ptr->addr)) - max_n_num = tipc_highest_allowed_slave; - assert(n_num > 0); - assert(n_num <= max_n_num); - assert(c_ptr->nodes[n_num] == NULL); - c_ptr->nodes[n_num] = n_ptr; - if (n_num > c_ptr->highest_node) - c_ptr->highest_node = n_num; -} - -/** - * tipc_cltr_select_router - select router to a cluster - * - * Uses deterministic and fair algorithm. - */ - -u32 tipc_cltr_select_router(struct cluster *c_ptr, u32 ref) -{ - u32 n_num; - u32 ulim = c_ptr->highest_node; - u32 mask; - u32 tstart; - - assert(!in_own_cluster(c_ptr->addr)); - if (!ulim) - return 0; - - /* Start entry must be random */ - mask = tipc_max_nodes; - while (mask > ulim) - mask >>= 1; - tstart = ref & mask; - n_num = tstart; - - /* Lookup upwards with wrap-around */ - do { - if (tipc_node_is_up(c_ptr->nodes[n_num])) - break; - } while (++n_num <= ulim); - if (n_num > ulim) { - n_num = 1; - do { - if (tipc_node_is_up(c_ptr->nodes[n_num])) - break; - } while (++n_num < tstart); - if (n_num == tstart) - return 0; - } - assert(n_num <= ulim); - return tipc_node_select_router(c_ptr->nodes[n_num], ref); -} - -/** - * tipc_cltr_select_node - select destination node within a remote cluster - * - * Uses deterministic and fair algorithm. - */ - -struct tipc_node *tipc_cltr_select_node(struct cluster *c_ptr, u32 selector) -{ - u32 n_num; - u32 mask = tipc_max_nodes; - u32 start_entry; - - assert(!in_own_cluster(c_ptr->addr)); - if (!c_ptr->highest_node) - return NULL; - - /* Start entry must be random */ - while (mask > c_ptr->highest_node) { - mask >>= 1; - } - start_entry = (selector & mask) ? selector & mask : 1u; - assert(start_entry <= c_ptr->highest_node); - - /* Lookup upwards with wrap-around */ - for (n_num = start_entry; n_num <= c_ptr->highest_node; n_num++) { - if (tipc_node_has_active_links(c_ptr->nodes[n_num])) - return c_ptr->nodes[n_num]; - } - for (n_num = 1; n_num < start_entry; n_num++) { - if (tipc_node_has_active_links(c_ptr->nodes[n_num])) - return c_ptr->nodes[n_num]; - } - return NULL; -} - -/* - * Routing table management: See description in node.c - */ - -static struct sk_buff *tipc_cltr_prepare_routing_msg(u32 data_size, u32 dest) -{ - u32 size = INT_H_SIZE + data_size; - struct sk_buff *buf = tipc_buf_acquire(size); - struct tipc_msg *msg; - - if (buf) { - msg = buf_msg(buf); - memset((char *)msg, 0, size); - tipc_msg_init(msg, ROUTE_DISTRIBUTOR, 0, INT_H_SIZE, dest); - } - return buf; -} - -void tipc_cltr_bcast_new_route(struct cluster *c_ptr, u32 dest, - u32 lower, u32 upper) -{ - struct sk_buff *buf = tipc_cltr_prepare_routing_msg(0, c_ptr->addr); - struct tipc_msg *msg; - - if (buf) { - msg = buf_msg(buf); - msg_set_remote_node(msg, dest); - msg_set_type(msg, ROUTE_ADDITION); - tipc_cltr_multicast(c_ptr, buf, lower, upper); - } else { - warn("Memory squeeze: broadcast of new route failed\n"); - } -} - -void tipc_cltr_bcast_lost_route(struct cluster *c_ptr, u32 dest, - u32 lower, u32 upper) -{ - struct sk_buff *buf = tipc_cltr_prepare_routing_msg(0, c_ptr->addr); - struct tipc_msg *msg; - - if (buf) { - msg = buf_msg(buf); - msg_set_remote_node(msg, dest); - msg_set_type(msg, ROUTE_REMOVAL); - tipc_cltr_multicast(c_ptr, buf, lower, upper); - } else { - warn("Memory squeeze: broadcast of lost route failed\n"); - } -} - -void tipc_cltr_send_slave_routes(struct cluster *c_ptr, u32 dest) -{ - struct sk_buff *buf; - struct tipc_msg *msg; - u32 highest = c_ptr->highest_slave; - u32 n_num; - int send = 0; - - assert(!is_slave(dest)); - assert(in_own_cluster(dest)); - assert(in_own_cluster(c_ptr->addr)); - if (highest <= LOWEST_SLAVE) - return; - buf = tipc_cltr_prepare_routing_msg(highest - LOWEST_SLAVE + 1, - c_ptr->addr); - if (buf) { - msg = buf_msg(buf); - msg_set_remote_node(msg, c_ptr->addr); - msg_set_type(msg, SLAVE_ROUTING_TABLE); - for (n_num = LOWEST_SLAVE; n_num <= highest; n_num++) { - if (c_ptr->nodes[n_num] && - tipc_node_has_active_links(c_ptr->nodes[n_num])) { - send = 1; - msg_set_dataoctet(msg, n_num); - } - } - if (send) - tipc_link_send(buf, dest, dest); - else - buf_discard(buf); - } else { - warn("Memory squeeze: broadcast of lost route failed\n"); - } -} - -void tipc_cltr_send_ext_routes(struct cluster *c_ptr, u32 dest) -{ - struct sk_buff *buf; - struct tipc_msg *msg; - u32 highest = c_ptr->highest_node; - u32 n_num; - int send = 0; - - if (in_own_cluster(c_ptr->addr)) - return; - assert(!is_slave(dest)); - assert(in_own_cluster(dest)); - highest = c_ptr->highest_node; - buf = tipc_cltr_prepare_routing_msg(highest + 1, c_ptr->addr); - if (buf) { - msg = buf_msg(buf); - msg_set_remote_node(msg, c_ptr->addr); - msg_set_type(msg, EXT_ROUTING_TABLE); - for (n_num = 1; n_num <= highest; n_num++) { - if (c_ptr->nodes[n_num] && - tipc_node_has_active_links(c_ptr->nodes[n_num])) { - send = 1; - msg_set_dataoctet(msg, n_num); - } - } - if (send) - tipc_link_send(buf, dest, dest); - else - buf_discard(buf); - } else { - warn("Memory squeeze: broadcast of external route failed\n"); - } -} - -void tipc_cltr_send_local_routes(struct cluster *c_ptr, u32 dest) -{ - struct sk_buff *buf; - struct tipc_msg *msg; - u32 highest = c_ptr->highest_node; - u32 n_num; - int send = 0; - - assert(is_slave(dest)); - assert(in_own_cluster(c_ptr->addr)); - buf = tipc_cltr_prepare_routing_msg(highest, c_ptr->addr); - if (buf) { - msg = buf_msg(buf); - msg_set_remote_node(msg, c_ptr->addr); - msg_set_type(msg, LOCAL_ROUTING_TABLE); - for (n_num = 1; n_num <= highest; n_num++) { - if (c_ptr->nodes[n_num] && - tipc_node_has_active_links(c_ptr->nodes[n_num])) { - send = 1; - msg_set_dataoctet(msg, n_num); - } - } - if (send) - tipc_link_send(buf, dest, dest); - else - buf_discard(buf); - } else { - warn("Memory squeeze: broadcast of local route failed\n"); - } -} - -void tipc_cltr_recv_routing_table(struct sk_buff *buf) -{ - struct tipc_msg *msg = buf_msg(buf); - struct cluster *c_ptr; - struct tipc_node *n_ptr; - unchar *node_table; - u32 table_size; - u32 router; - u32 rem_node = msg_remote_node(msg); - u32 z_num; - u32 c_num; - u32 n_num; - - c_ptr = tipc_cltr_find(rem_node); - if (!c_ptr) { - c_ptr = tipc_cltr_create(rem_node); - if (!c_ptr) { - buf_discard(buf); - return; - } - } - - node_table = buf->data + msg_hdr_sz(msg); - table_size = msg_size(msg) - msg_hdr_sz(msg); - router = msg_prevnode(msg); - z_num = tipc_zone(rem_node); - c_num = tipc_cluster(rem_node); - - switch (msg_type(msg)) { - case LOCAL_ROUTING_TABLE: - assert(is_slave(tipc_own_addr)); - case EXT_ROUTING_TABLE: - for (n_num = 1; n_num < table_size; n_num++) { - if (node_table[n_num]) { - u32 addr = tipc_addr(z_num, c_num, n_num); - n_ptr = c_ptr->nodes[n_num]; - if (!n_ptr) { - n_ptr = tipc_node_create(addr); - } - if (n_ptr) - tipc_node_add_router(n_ptr, router); - } - } - break; - case SLAVE_ROUTING_TABLE: - assert(!is_slave(tipc_own_addr)); - assert(in_own_cluster(c_ptr->addr)); - for (n_num = 1; n_num < table_size; n_num++) { - if (node_table[n_num]) { - u32 slave_num = n_num + LOWEST_SLAVE; - u32 addr = tipc_addr(z_num, c_num, slave_num); - n_ptr = c_ptr->nodes[slave_num]; - if (!n_ptr) { - n_ptr = tipc_node_create(addr); - } - if (n_ptr) - tipc_node_add_router(n_ptr, router); - } - } - break; - case ROUTE_ADDITION: - if (!is_slave(tipc_own_addr)) { - assert(!in_own_cluster(c_ptr->addr) || - is_slave(rem_node)); - } else { - assert(in_own_cluster(c_ptr->addr) && - !is_slave(rem_node)); - } - n_ptr = c_ptr->nodes[tipc_node(rem_node)]; - if (!n_ptr) - n_ptr = tipc_node_create(rem_node); - if (n_ptr) - tipc_node_add_router(n_ptr, router); - break; - case ROUTE_REMOVAL: - if (!is_slave(tipc_own_addr)) { - assert(!in_own_cluster(c_ptr->addr) || - is_slave(rem_node)); - } else { - assert(in_own_cluster(c_ptr->addr) && - !is_slave(rem_node)); - } - n_ptr = c_ptr->nodes[tipc_node(rem_node)]; - if (n_ptr) - tipc_node_remove_router(n_ptr, router); - break; - default: - assert(!"Illegal routing manager message received\n"); - } - buf_discard(buf); -} - -void tipc_cltr_remove_as_router(struct cluster *c_ptr, u32 router) -{ - u32 start_entry; - u32 tstop; - u32 n_num; - - if (is_slave(router)) - return; /* Slave nodes can not be routers */ - - if (in_own_cluster(c_ptr->addr)) { - start_entry = LOWEST_SLAVE; - tstop = c_ptr->highest_slave; - } else { - start_entry = 1; - tstop = c_ptr->highest_node; - } - - for (n_num = start_entry; n_num <= tstop; n_num++) { - if (c_ptr->nodes[n_num]) { - tipc_node_remove_router(c_ptr->nodes[n_num], router); - } - } -} - -/** - * tipc_cltr_multicast - multicast message to local nodes - */ - -static void tipc_cltr_multicast(struct cluster *c_ptr, struct sk_buff *buf, - u32 lower, u32 upper) -{ - struct sk_buff *buf_copy; - struct tipc_node *n_ptr; - u32 n_num; - u32 tstop; - - assert(lower <= upper); - assert(((lower >= 1) && (lower <= tipc_max_nodes)) || - ((lower >= LOWEST_SLAVE) && (lower <= tipc_highest_allowed_slave))); - assert(((upper >= 1) && (upper <= tipc_max_nodes)) || - ((upper >= LOWEST_SLAVE) && (upper <= tipc_highest_allowed_slave))); - assert(in_own_cluster(c_ptr->addr)); - - tstop = is_slave(upper) ? c_ptr->highest_slave : c_ptr->highest_node; - if (tstop > upper) - tstop = upper; - for (n_num = lower; n_num <= tstop; n_num++) { - n_ptr = c_ptr->nodes[n_num]; - if (n_ptr && tipc_node_has_active_links(n_ptr)) { - buf_copy = skb_copy(buf, GFP_ATOMIC); - if (buf_copy == NULL) - break; - msg_set_destnode(buf_msg(buf_copy), n_ptr->addr); - tipc_link_send(buf_copy, n_ptr->addr, n_ptr->addr); - } - } - buf_discard(buf); -} - -/** - * tipc_cltr_broadcast - broadcast message to all nodes within cluster - */ - -void tipc_cltr_broadcast(struct sk_buff *buf) -{ - struct sk_buff *buf_copy; - struct cluster *c_ptr; - struct tipc_node *n_ptr; - u32 n_num; - u32 tstart; - u32 tstop; - u32 node_type; - - if (tipc_mode == TIPC_NET_MODE) { - c_ptr = tipc_cltr_find(tipc_own_addr); - assert(in_own_cluster(c_ptr->addr)); /* For now */ - - /* Send to standard nodes, then repeat loop sending to slaves */ - tstart = 1; - tstop = c_ptr->highest_node; - for (node_type = 1; node_type <= 2; node_type++) { - for (n_num = tstart; n_num <= tstop; n_num++) { - n_ptr = c_ptr->nodes[n_num]; - if (n_ptr && tipc_node_has_active_links(n_ptr)) { - buf_copy = skb_copy(buf, GFP_ATOMIC); - if (buf_copy == NULL) - goto exit; - msg_set_destnode(buf_msg(buf_copy), - n_ptr->addr); - tipc_link_send(buf_copy, n_ptr->addr, - n_ptr->addr); - } - } - tstart = LOWEST_SLAVE; - tstop = c_ptr->highest_slave; - } - } -exit: - buf_discard(buf); -} - -int tipc_cltr_init(void) -{ - tipc_highest_allowed_slave = LOWEST_SLAVE + tipc_max_slaves; - return tipc_cltr_create(tipc_own_addr) ? 0 : -ENOMEM; -} - diff --git a/net/tipc/cluster.h b/net/tipc/cluster.h deleted file mode 100644 index 32636d98c9c6..000000000000 --- a/net/tipc/cluster.h +++ /dev/null @@ -1,92 +0,0 @@ -/* - * net/tipc/cluster.h: Include file for TIPC cluster management routines - * - * Copyright (c) 2000-2006, Ericsson AB - * Copyright (c) 2005, Wind River Systems - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions are met: - * - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution. - * 3. Neither the names of the copyright holders nor the names of its - * contributors may be used to endorse or promote products derived from - * this software without specific prior written permission. - * - * Alternatively, this software may be distributed under the terms of the - * GNU General Public License ("GPL") version 2 as published by the Free - * Software Foundation. - * - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" - * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE - * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE - * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR - * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF - * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS - * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN - * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) - * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE - * POSSIBILITY OF SUCH DAMAGE. - */ - -#ifndef _TIPC_CLUSTER_H -#define _TIPC_CLUSTER_H - -#include "addr.h" -#include "zone.h" - -#define LOWEST_SLAVE 2048u - -/** - * struct cluster - TIPC cluster structure - * @addr: network address of cluster - * @owner: pointer to zone that cluster belongs to - * @nodes: array of pointers to all nodes within cluster - * @highest_node: id of highest numbered node within cluster - * @highest_slave: (used for secondary node support) - */ - -struct cluster { - u32 addr; - struct _zone *owner; - struct tipc_node **nodes; - u32 highest_node; - u32 highest_slave; -}; - - -extern struct tipc_node **tipc_local_nodes; -extern u32 tipc_highest_allowed_slave; -extern struct tipc_node_map tipc_cltr_bcast_nodes; - -void tipc_cltr_remove_as_router(struct cluster *c_ptr, u32 router); -void tipc_cltr_send_ext_routes(struct cluster *c_ptr, u32 dest); -struct tipc_node *tipc_cltr_select_node(struct cluster *c_ptr, u32 selector); -u32 tipc_cltr_select_router(struct cluster *c_ptr, u32 ref); -void tipc_cltr_recv_routing_table(struct sk_buff *buf); -struct cluster *tipc_cltr_create(u32 addr); -void tipc_cltr_delete(struct cluster *c_ptr); -void tipc_cltr_attach_node(struct cluster *c_ptr, struct tipc_node *n_ptr); -void tipc_cltr_send_slave_routes(struct cluster *c_ptr, u32 dest); -void tipc_cltr_broadcast(struct sk_buff *buf); -int tipc_cltr_init(void); - -void tipc_cltr_bcast_new_route(struct cluster *c_ptr, u32 dest, u32 lo, u32 hi); -void tipc_cltr_send_local_routes(struct cluster *c_ptr, u32 dest); -void tipc_cltr_bcast_lost_route(struct cluster *c_ptr, u32 dest, u32 lo, u32 hi); - -static inline struct cluster *tipc_cltr_find(u32 addr) -{ - struct _zone *z_ptr = tipc_zone_find(addr); - - if (z_ptr) - return z_ptr->clusters[1]; - return NULL; -} - -#endif diff --git a/net/tipc/config.c b/net/tipc/config.c index bdde39f0436b..e16750dcf3c1 100644 --- a/net/tipc/config.c +++ b/net/tipc/config.c @@ -36,17 +36,10 @@ #include "core.h" #include "port.h" -#include "link.h" #include "name_table.h" -#include "user_reg.h" #include "config.h" -struct manager { - u32 user_ref; - u32 port_ref; -}; - -static struct manager mng = { 0}; +static u32 config_port_ref; static DEFINE_SPINLOCK(config_lock); @@ -71,10 +64,8 @@ int tipc_cfg_append_tlv(struct sk_buff *buf, int tlv_type, struct tlv_desc *tlv = (struct tlv_desc *)skb_tail_pointer(buf); int new_tlv_space = TLV_SPACE(tlv_data_size); - if (skb_tailroom(buf) < new_tlv_space) { - dbg("tipc_cfg_append_tlv unable to append TLV\n"); + if (skb_tailroom(buf) < new_tlv_space) return 0; - } skb_put(buf, new_tlv_space); tlv->tlv_type = htons(tlv_type); tlv->tlv_len = htons(TLV_LENGTH(tlv_data_size)); @@ -269,38 +260,6 @@ static struct sk_buff *cfg_set_max_ports(void) return tipc_cfg_reply_none(); } -static struct sk_buff *cfg_set_max_zones(void) -{ - u32 value; - - if (!TLV_CHECK(req_tlv_area, req_tlv_space, TIPC_TLV_UNSIGNED)) - return tipc_cfg_reply_error_string(TIPC_CFG_TLV_ERROR); - value = ntohl(*(__be32 *)TLV_DATA(req_tlv_area)); - if (value == tipc_max_zones) - return tipc_cfg_reply_none(); - if (value != delimit(value, 1, 255)) - return tipc_cfg_reply_error_string(TIPC_CFG_INVALID_VALUE - " (max zones must be 1-255)"); - if (tipc_mode == TIPC_NET_MODE) - return tipc_cfg_reply_error_string(TIPC_CFG_NOT_SUPPORTED - " (cannot change max zones once TIPC has joined a network)"); - tipc_max_zones = value; - return tipc_cfg_reply_none(); -} - -static struct sk_buff *cfg_set_max_clusters(void) -{ - u32 value; - - if (!TLV_CHECK(req_tlv_area, req_tlv_space, TIPC_TLV_UNSIGNED)) - return tipc_cfg_reply_error_string(TIPC_CFG_TLV_ERROR); - value = ntohl(*(__be32 *)TLV_DATA(req_tlv_area)); - if (value != delimit(value, 1, 1)) - return tipc_cfg_reply_error_string(TIPC_CFG_INVALID_VALUE - " (max clusters fixed at 1)"); - return tipc_cfg_reply_none(); -} - static struct sk_buff *cfg_set_max_nodes(void) { u32 value; @@ -320,19 +279,6 @@ static struct sk_buff *cfg_set_max_nodes(void) return tipc_cfg_reply_none(); } -static struct sk_buff *cfg_set_max_slaves(void) -{ - u32 value; - - if (!TLV_CHECK(req_tlv_area, req_tlv_space, TIPC_TLV_UNSIGNED)) - return tipc_cfg_reply_error_string(TIPC_CFG_TLV_ERROR); - value = ntohl(*(__be32 *)TLV_DATA(req_tlv_area)); - if (value != 0) - return tipc_cfg_reply_error_string(TIPC_CFG_NOT_SUPPORTED - " (max secondary nodes fixed at 0)"); - return tipc_cfg_reply_none(); -} - static struct sk_buff *cfg_set_netid(void) { u32 value; @@ -376,8 +322,7 @@ struct sk_buff *tipc_cfg_do_cmd(u32 orig_node, u16 cmd, const void *request_area } else if (!tipc_remote_management) { rep_tlv_buf = tipc_cfg_reply_error_string(TIPC_CFG_NO_REMOTE); goto exit; - } - else if (cmd >= 0x4000) { + } else if (cmd >= 0x4000) { u32 domain = 0; if ((tipc_nametbl_translate(TIPC_ZM_SRV, 0, &domain) == 0) || @@ -452,18 +397,9 @@ struct sk_buff *tipc_cfg_do_cmd(u32 orig_node, u16 cmd, const void *request_area case TIPC_CMD_SET_MAX_SUBSCR: rep_tlv_buf = cfg_set_max_subscriptions(); break; - case TIPC_CMD_SET_MAX_ZONES: - rep_tlv_buf = cfg_set_max_zones(); - break; - case TIPC_CMD_SET_MAX_CLUSTERS: - rep_tlv_buf = cfg_set_max_clusters(); - break; case TIPC_CMD_SET_MAX_NODES: rep_tlv_buf = cfg_set_max_nodes(); break; - case TIPC_CMD_SET_MAX_SLAVES: - rep_tlv_buf = cfg_set_max_slaves(); - break; case TIPC_CMD_SET_NETID: rep_tlv_buf = cfg_set_netid(); break; @@ -479,18 +415,9 @@ struct sk_buff *tipc_cfg_do_cmd(u32 orig_node, u16 cmd, const void *request_area case TIPC_CMD_GET_MAX_SUBSCR: rep_tlv_buf = tipc_cfg_reply_unsigned(tipc_max_subscriptions); break; - case TIPC_CMD_GET_MAX_ZONES: - rep_tlv_buf = tipc_cfg_reply_unsigned(tipc_max_zones); - break; - case TIPC_CMD_GET_MAX_CLUSTERS: - rep_tlv_buf = tipc_cfg_reply_unsigned(tipc_max_clusters); - break; case TIPC_CMD_GET_MAX_NODES: rep_tlv_buf = tipc_cfg_reply_unsigned(tipc_max_nodes); break; - case TIPC_CMD_GET_MAX_SLAVES: - rep_tlv_buf = tipc_cfg_reply_unsigned(tipc_max_slaves); - break; case TIPC_CMD_GET_NETID: rep_tlv_buf = tipc_cfg_reply_unsigned(tipc_net_id); break; @@ -498,6 +425,15 @@ struct sk_buff *tipc_cfg_do_cmd(u32 orig_node, u16 cmd, const void *request_area rep_tlv_buf = tipc_cfg_reply_error_string(TIPC_CFG_NOT_NET_ADMIN); break; + case TIPC_CMD_SET_MAX_ZONES: + case TIPC_CMD_GET_MAX_ZONES: + case TIPC_CMD_SET_MAX_SLAVES: + case TIPC_CMD_GET_MAX_SLAVES: + case TIPC_CMD_SET_MAX_CLUSTERS: + case TIPC_CMD_GET_MAX_CLUSTERS: + rep_tlv_buf = tipc_cfg_reply_error_string(TIPC_CFG_NOT_SUPPORTED + " (obsolete command)"); + break; default: rep_tlv_buf = tipc_cfg_reply_error_string(TIPC_CFG_NOT_SUPPORTED " (unknown command)"); @@ -560,20 +496,16 @@ int tipc_cfg_init(void) struct tipc_name_seq seq; int res; - res = tipc_attach(&mng.user_ref); - if (res) - goto failed; - - res = tipc_createport(mng.user_ref, NULL, TIPC_CRITICAL_IMPORTANCE, + res = tipc_createport(NULL, TIPC_CRITICAL_IMPORTANCE, NULL, NULL, NULL, NULL, cfg_named_msg_event, NULL, - NULL, &mng.port_ref); + NULL, &config_port_ref); if (res) goto failed; seq.type = TIPC_CFG_SRV; seq.lower = seq.upper = tipc_own_addr; - res = tipc_nametbl_publish_rsv(mng.port_ref, TIPC_ZONE_SCOPE, &seq); + res = tipc_nametbl_publish_rsv(config_port_ref, TIPC_ZONE_SCOPE, &seq); if (res) goto failed; @@ -581,15 +513,13 @@ int tipc_cfg_init(void) failed: err("Unable to create configuration service\n"); - tipc_detach(mng.user_ref); - mng.user_ref = 0; return res; } void tipc_cfg_stop(void) { - if (mng.user_ref) { - tipc_detach(mng.user_ref); - mng.user_ref = 0; + if (config_port_ref) { + tipc_deleteport(config_port_ref); + config_port_ref = 0; } } diff --git a/net/tipc/core.c b/net/tipc/core.c index f5d62c174de2..e071579e0850 100644 --- a/net/tipc/core.c +++ b/net/tipc/core.c @@ -34,36 +34,17 @@ * POSSIBILITY OF SUCH DAMAGE. */ -#include <linux/init.h> -#include <linux/module.h> -#include <linux/kernel.h> -#include <linux/random.h> - #include "core.h" #include "ref.h" -#include "net.h" -#include "user_reg.h" #include "name_table.h" #include "subscr.h" #include "config.h" -#ifndef CONFIG_TIPC_ZONES -#define CONFIG_TIPC_ZONES 3 -#endif - -#ifndef CONFIG_TIPC_CLUSTERS -#define CONFIG_TIPC_CLUSTERS 1 -#endif - #ifndef CONFIG_TIPC_NODES #define CONFIG_TIPC_NODES 255 #endif -#ifndef CONFIG_TIPC_SLAVE_NODES -#define CONFIG_TIPC_SLAVE_NODES 0 -#endif - #ifndef CONFIG_TIPC_PORTS #define CONFIG_TIPC_PORTS 8191 #endif @@ -84,10 +65,7 @@ const char tipc_alphabet[] = /* configurable TIPC parameters */ u32 tipc_own_addr; -int tipc_max_zones; -int tipc_max_clusters; int tipc_max_nodes; -int tipc_max_slaves; int tipc_max_ports; int tipc_max_subscriptions; int tipc_max_publications; @@ -137,10 +115,11 @@ int tipc_core_start_net(unsigned long addr) { int res; - if ((res = tipc_net_start(addr)) || - (res = tipc_eth_media_start())) { + res = tipc_net_start(addr); + if (!res) + res = tipc_eth_media_start(); + if (res) tipc_core_stop_net(); - } return res; } @@ -159,7 +138,6 @@ static void tipc_core_stop(void) tipc_handler_stop(); tipc_cfg_stop(); tipc_subscr_stop(); - tipc_reg_stop(); tipc_nametbl_stop(); tipc_ref_table_stop(); tipc_socket_stop(); @@ -180,16 +158,22 @@ static int tipc_core_start(void) get_random_bytes(&tipc_random, sizeof(tipc_random)); tipc_mode = TIPC_NODE_MODE; - if ((res = tipc_handler_start()) || - (res = tipc_ref_table_init(tipc_max_ports, tipc_random)) || - (res = tipc_reg_start()) || - (res = tipc_nametbl_init()) || - (res = tipc_k_signal((Handler)tipc_subscr_start, 0)) || - (res = tipc_k_signal((Handler)tipc_cfg_init, 0)) || - (res = tipc_netlink_start()) || - (res = tipc_socket_init())) { + res = tipc_handler_start(); + if (!res) + res = tipc_ref_table_init(tipc_max_ports, tipc_random); + if (!res) + res = tipc_nametbl_init(); + if (!res) + res = tipc_k_signal((Handler)tipc_subscr_start, 0); + if (!res) + res = tipc_k_signal((Handler)tipc_cfg_init, 0); + if (!res) + res = tipc_netlink_start(); + if (!res) + res = tipc_socket_init(); + if (res) tipc_core_stop(); - } + return res; } @@ -209,13 +193,11 @@ static int __init tipc_init(void) tipc_max_publications = 10000; tipc_max_subscriptions = 2000; tipc_max_ports = CONFIG_TIPC_PORTS; - tipc_max_zones = CONFIG_TIPC_ZONES; - tipc_max_clusters = CONFIG_TIPC_CLUSTERS; tipc_max_nodes = CONFIG_TIPC_NODES; - tipc_max_slaves = CONFIG_TIPC_SLAVE_NODES; tipc_net_id = 4711; - if ((res = tipc_core_start())) + res = tipc_core_start(); + if (res) err("Unable to start in single node mode\n"); else info("Started in single node mode\n"); diff --git a/net/tipc/core.h b/net/tipc/core.h index ca7e171c1043..997158546e25 100644 --- a/net/tipc/core.h +++ b/net/tipc/core.h @@ -59,7 +59,7 @@ #define TIPC_MOD_VER "2.0.0" struct tipc_msg; /* msg.h */ -struct print_buf; /* dbg.h */ +struct print_buf; /* log.h */ /* * TIPC sanity test macros @@ -83,6 +83,7 @@ struct print_buf; /* dbg.h */ * user-defined buffers can be configured to do the same thing. */ extern struct print_buf *const TIPC_NULL; +extern struct print_buf *const TIPC_CONS; extern struct print_buf *const TIPC_LOG; void tipc_printf(struct print_buf *, const char *fmt, ...); @@ -95,73 +96,35 @@ void tipc_printf(struct print_buf *, const char *fmt, ...); #define TIPC_OUTPUT TIPC_LOG #endif -/* - * TIPC can be configured to send system messages to TIPC_OUTPUT - * or to the system console only. - */ - -#ifdef CONFIG_TIPC_DEBUG - #define err(fmt, arg...) tipc_printf(TIPC_OUTPUT, \ - KERN_ERR "TIPC: " fmt, ## arg) + KERN_ERR "TIPC: " fmt, ## arg) #define warn(fmt, arg...) tipc_printf(TIPC_OUTPUT, \ - KERN_WARNING "TIPC: " fmt, ## arg) + KERN_WARNING "TIPC: " fmt, ## arg) #define info(fmt, arg...) tipc_printf(TIPC_OUTPUT, \ - KERN_NOTICE "TIPC: " fmt, ## arg) - -#else + KERN_NOTICE "TIPC: " fmt, ## arg) -#define err(fmt, arg...) printk(KERN_ERR "TIPC: " fmt , ## arg) -#define info(fmt, arg...) printk(KERN_INFO "TIPC: " fmt , ## arg) -#define warn(fmt, arg...) printk(KERN_WARNING "TIPC: " fmt , ## arg) - -#endif +#ifdef CONFIG_TIPC_DEBUG /* * DBG_OUTPUT is the destination print buffer for debug messages. - * It defaults to the the null print buffer, but can be redefined - * (typically in the individual .c files being debugged) to allow - * selected debug messages to be generated where needed. */ #ifndef DBG_OUTPUT -#define DBG_OUTPUT TIPC_NULL +#define DBG_OUTPUT TIPC_LOG #endif -/* - * TIPC can be configured to send debug messages to the specified print buffer - * (typically DBG_OUTPUT) or to suppress them entirely. - */ - -#ifdef CONFIG_TIPC_DEBUG +#define dbg(fmt, arg...) tipc_printf(DBG_OUTPUT, KERN_DEBUG fmt, ## arg); -#define dbg(fmt, arg...) \ - do { \ - if (DBG_OUTPUT != TIPC_NULL) \ - tipc_printf(DBG_OUTPUT, fmt, ## arg); \ - } while (0) -#define msg_dbg(msg, txt) \ - do { \ - if (DBG_OUTPUT != TIPC_NULL) \ - tipc_msg_dbg(DBG_OUTPUT, msg, txt); \ - } while (0) -#define dump(fmt, arg...) \ - do { \ - if (DBG_OUTPUT != TIPC_NULL) \ - tipc_dump_dbg(DBG_OUTPUT, fmt, ##arg); \ - } while (0) +#define msg_dbg(msg, txt) tipc_msg_dbg(DBG_OUTPUT, msg, txt); void tipc_msg_dbg(struct print_buf *, struct tipc_msg *, const char *); -void tipc_dump_dbg(struct print_buf *, const char *fmt, ...); #else #define dbg(fmt, arg...) do {} while (0) #define msg_dbg(msg, txt) do {} while (0) -#define dump(fmt, arg...) do {} while (0) -#define tipc_msg_dbg(...) do {} while (0) -#define tipc_dump_dbg(...) do {} while (0) +#define tipc_msg_dbg(buf, msg, txt) do {} while (0) #endif @@ -184,10 +147,7 @@ void tipc_dump_dbg(struct print_buf *, const char *fmt, ...); */ extern u32 tipc_own_addr; -extern int tipc_max_zones; -extern int tipc_max_clusters; extern int tipc_max_nodes; -extern int tipc_max_slaves; extern int tipc_max_ports; extern int tipc_max_subscriptions; extern int tipc_max_publications; @@ -246,7 +206,6 @@ u32 tipc_k_signal(Handler routine, unsigned long argument); static inline void k_init_timer(struct timer_list *timer, Handler routine, unsigned long argument) { - dbg("initializing timer %p\n", timer); setup_timer(timer, routine, argument); } @@ -266,7 +225,6 @@ static inline void k_init_timer(struct timer_list *timer, Handler routine, static inline void k_start_timer(struct timer_list *timer, unsigned long msec) { - dbg("starting timer %p for %u\n", timer, msec); mod_timer(timer, jiffies + msecs_to_jiffies(msec) + 1); } @@ -283,7 +241,6 @@ static inline void k_start_timer(struct timer_list *timer, unsigned long msec) static inline void k_cancel_timer(struct timer_list *timer) { - dbg("cancelling timer %p\n", timer); del_timer_sync(timer); } @@ -301,7 +258,6 @@ static inline void k_cancel_timer(struct timer_list *timer) static inline void k_term_timer(struct timer_list *timer) { - dbg("terminating timer %p\n", timer); } diff --git a/net/tipc/discover.c b/net/tipc/discover.c index f2ce36baf42e..fa026bd91a68 100644 --- a/net/tipc/discover.c +++ b/net/tipc/discover.c @@ -37,8 +37,6 @@ #include "core.h" #include "link.h" #include "discover.h" -#include "port.h" -#include "name_table.h" #define TIPC_LINK_REQ_INIT 125 /* min delay during bearer start up */ #define TIPC_LINK_REQ_FAST 2000 /* normal delay if bearer has no links */ @@ -132,8 +130,7 @@ void tipc_disc_recv_msg(struct sk_buff *buf, struct bearer *b_ptr) u32 net_id = msg_bc_netid(msg); u32 type = msg_type(msg); - msg_get_media_addr(msg,&media_addr); - msg_dbg(msg, "RECV:"); + msg_get_media_addr(msg, &media_addr); buf_discard(buf); if (net_id != tipc_net_id) @@ -149,10 +146,6 @@ void tipc_disc_recv_msg(struct sk_buff *buf, struct bearer *b_ptr) } if (!tipc_in_scope(dest, tipc_own_addr)) return; - if (is_slave(tipc_own_addr) && is_slave(orig)) - return; - if (is_slave(orig) && !in_own_cluster(orig)) - return; if (in_own_cluster(orig)) { /* Always accept link here */ struct sk_buff *rbuf; @@ -160,7 +153,6 @@ void tipc_disc_recv_msg(struct sk_buff *buf, struct bearer *b_ptr) struct tipc_node *n_ptr = tipc_node_find(orig); int link_fully_up; - dbg(" in own cluster\n"); if (n_ptr == NULL) { n_ptr = tipc_node_create(orig); if (!n_ptr) @@ -177,7 +169,6 @@ void tipc_disc_recv_msg(struct sk_buff *buf, struct bearer *b_ptr) link = n_ptr->links[b_ptr->identity]; if (!link) { - dbg("creating link\n"); link = tipc_link_create(b_ptr, orig, &media_addr); if (!link) { spin_unlock_bh(&n_ptr->lock); @@ -202,7 +193,6 @@ void tipc_disc_recv_msg(struct sk_buff *buf, struct bearer *b_ptr) return; rbuf = tipc_disc_init_msg(DSC_RESP_MSG, 1, orig, b_ptr); if (rbuf != NULL) { - msg_dbg(buf_msg(rbuf),"SEND:"); b_ptr->media->send_msg(rbuf, &b_ptr->publ, &media_addr); buf_discard(rbuf); } diff --git a/net/tipc/eth_media.c b/net/tipc/eth_media.c index ee683cc8f4b1..b69092eb95d8 100644 --- a/net/tipc/eth_media.c +++ b/net/tipc/eth_media.c @@ -34,10 +34,6 @@ * POSSIBILITY OF SUCH DAMAGE. */ -#include <linux/netdevice.h> -#include <linux/slab.h> -#include <net/net_namespace.h> - #include "core.h" #include "bearer.h" @@ -60,7 +56,7 @@ struct eth_bearer { }; static struct eth_bearer eth_bearers[MAX_ETH_BEARERS]; -static int eth_started = 0; +static int eth_started; static struct notifier_block notifier; /** @@ -148,7 +144,7 @@ static int enable_bearer(struct tipc_bearer *tb_ptr) /* Find device with specified name */ - for_each_netdev(&init_net, pdev){ + for_each_netdev(&init_net, pdev) { if (!strncmp(pdev->name, driver_name, IFNAMSIZ)) { dev = pdev; break; @@ -159,7 +155,8 @@ static int enable_bearer(struct tipc_bearer *tb_ptr) /* Find Ethernet bearer for device (or create one) */ - for (;(eb_ptr != stop) && eb_ptr->dev && (eb_ptr->dev != dev); eb_ptr++); + while ((eb_ptr != stop) && eb_ptr->dev && (eb_ptr->dev != dev)) + eb_ptr++; if (eb_ptr == stop) return -EDQUOT; if (!eb_ptr->dev) { diff --git a/net/tipc/handler.c b/net/tipc/handler.c index 0c70010a7dfe..274c98e164b7 100644 --- a/net/tipc/handler.c +++ b/net/tipc/handler.c @@ -45,7 +45,7 @@ struct queue_item { static struct kmem_cache *tipc_queue_item_cache; static struct list_head signal_queue_head; static DEFINE_SPINLOCK(qitem_lock); -static int handler_enabled = 0; +static int handler_enabled; static void process_signal_queue(unsigned long dummy); diff --git a/net/tipc/link.c b/net/tipc/link.c index cf414cf05e72..18702f58d111 100644 --- a/net/tipc/link.c +++ b/net/tipc/link.c @@ -96,75 +96,10 @@ static int link_send_sections_long(struct port *sender, static void link_check_defragm_bufs(struct link *l_ptr); static void link_state_event(struct link *l_ptr, u32 event); static void link_reset_statistics(struct link *l_ptr); -static void link_print(struct link *l_ptr, struct print_buf *buf, - const char *str); +static void link_print(struct link *l_ptr, const char *str); static void link_start(struct link *l_ptr); static int link_send_long_buf(struct link *l_ptr, struct sk_buff *buf); - -/* - * Debugging code used by link routines only - * - * When debugging link problems on a system that has multiple links, - * the standard TIPC debugging routines may not be useful since they - * allow the output from multiple links to be intermixed. For this reason - * routines of the form "dbg_link_XXX()" have been created that will capture - * debug info into a link's personal print buffer, which can then be dumped - * into the TIPC system log (TIPC_LOG) upon request. - * - * To enable per-link debugging, use LINK_LOG_BUF_SIZE to specify the size - * of the print buffer used by each link. If LINK_LOG_BUF_SIZE is set to 0, - * the dbg_link_XXX() routines simply send their output to the standard - * debug print buffer (DBG_OUTPUT), if it has been defined; this can be useful - * when there is only a single link in the system being debugged. - * - * Notes: - * - When enabled, LINK_LOG_BUF_SIZE should be set to at least TIPC_PB_MIN_SIZE - * - "l_ptr" must be valid when using dbg_link_XXX() macros - */ - -#define LINK_LOG_BUF_SIZE 0 - -#define dbg_link(fmt, arg...) \ - do { \ - if (LINK_LOG_BUF_SIZE) \ - tipc_printf(&l_ptr->print_buf, fmt, ## arg); \ - } while (0) -#define dbg_link_msg(msg, txt) \ - do { \ - if (LINK_LOG_BUF_SIZE) \ - tipc_msg_dbg(&l_ptr->print_buf, msg, txt); \ - } while (0) -#define dbg_link_state(txt) \ - do { \ - if (LINK_LOG_BUF_SIZE) \ - link_print(l_ptr, &l_ptr->print_buf, txt); \ - } while (0) -#define dbg_link_dump() do { \ - if (LINK_LOG_BUF_SIZE) { \ - tipc_printf(LOG, "\n\nDumping link <%s>:\n", l_ptr->name); \ - tipc_printbuf_move(LOG, &l_ptr->print_buf); \ - } \ -} while (0) - -static void dbg_print_link(struct link *l_ptr, const char *str) -{ - if (DBG_OUTPUT != TIPC_NULL) - link_print(l_ptr, DBG_OUTPUT, str); -} - -static void dbg_print_buf_chain(struct sk_buff *root_buf) -{ - if (DBG_OUTPUT != TIPC_NULL) { - struct sk_buff *buf = root_buf; - - while (buf) { - msg_dbg(buf_msg(buf), "In chain: "); - buf = buf->next; - } - } -} - /* * Simple link routines */ @@ -252,14 +187,17 @@ static int link_name_validate(const char *name, struct link_name *name_parts) /* ensure all component parts of link name are present */ addr_local = name_copy; - if ((if_local = strchr(addr_local, ':')) == NULL) + if_local = strchr(addr_local, ':'); + if (if_local == NULL) return 0; *(if_local++) = 0; - if ((addr_peer = strchr(if_local, '-')) == NULL) + addr_peer = strchr(if_local, '-'); + if (addr_peer == NULL) return 0; *(addr_peer++) = 0; if_local_len = addr_peer - if_local; - if ((if_peer = strchr(addr_peer, ':')) == NULL) + if_peer = strchr(addr_peer, ':'); + if (if_peer == NULL) return 0; *(if_peer++) = 0; if_peer_len = strlen(if_peer) + 1; @@ -378,17 +316,6 @@ struct link *tipc_link_create(struct bearer *b_ptr, const u32 peer, return NULL; } - if (LINK_LOG_BUF_SIZE) { - char *pb = kmalloc(LINK_LOG_BUF_SIZE, GFP_ATOMIC); - - if (!pb) { - kfree(l_ptr); - warn("Link creation failed, no memory for print buffer\n"); - return NULL; - } - tipc_printbuf_init(&l_ptr->print_buf, pb, LINK_LOG_BUF_SIZE); - } - l_ptr->addr = peer; if_name = strchr(b_ptr->publ.name, ':') + 1; sprintf(l_ptr->name, "%u.%u.%u:%s-%u.%u.%u:", @@ -423,8 +350,6 @@ struct link *tipc_link_create(struct bearer *b_ptr, const u32 peer, l_ptr->owner = tipc_node_attach_link(l_ptr); if (!l_ptr->owner) { - if (LINK_LOG_BUF_SIZE) - kfree(l_ptr->print_buf.buf); kfree(l_ptr); return NULL; } @@ -433,9 +358,6 @@ struct link *tipc_link_create(struct bearer *b_ptr, const u32 peer, list_add_tail(&l_ptr->link_list, &b_ptr->links); tipc_k_signal((Handler)link_start, (unsigned long)l_ptr); - dbg("tipc_link_create(): tolerance = %u,cont intv = %u, abort_limit = %u\n", - l_ptr->tolerance, l_ptr->continuity_interval, l_ptr->abort_limit); - return l_ptr; } @@ -455,8 +377,6 @@ void tipc_link_delete(struct link *l_ptr) return; } - dbg("tipc_link_delete()\n"); - k_cancel_timer(&l_ptr->timer); tipc_node_lock(l_ptr->owner); @@ -464,8 +384,6 @@ void tipc_link_delete(struct link *l_ptr) tipc_node_detach_link(l_ptr->owner, l_ptr); tipc_link_stop(l_ptr); list_del_init(&l_ptr->link_list); - if (LINK_LOG_BUF_SIZE) - kfree(l_ptr->print_buf.buf); tipc_node_unlock(l_ptr->owner); k_term_timer(&l_ptr->timer); kfree(l_ptr); @@ -473,7 +391,6 @@ void tipc_link_delete(struct link *l_ptr) static void link_start(struct link *l_ptr) { - dbg("link_start %x\n", l_ptr); link_state_event(l_ptr, STARTING_EVT); } @@ -625,7 +542,6 @@ void tipc_link_reset(struct link *l_ptr) link_init_max_pkt(l_ptr); l_ptr->state = RESET_UNKNOWN; - dbg_link_state("Resetting Link\n"); if ((prev_state == RESET_UNKNOWN) || (prev_state == RESET_RESET)) return; @@ -699,25 +615,18 @@ static void link_state_event(struct link *l_ptr, unsigned event) return; /* Not yet. */ if (link_blocked(l_ptr)) { - if (event == TIMEOUT_EVT) { + if (event == TIMEOUT_EVT) link_set_timer(l_ptr, cont_intv); - } return; /* Changeover going on */ } - dbg_link("STATE_EV: <%s> ", l_ptr->name); switch (l_ptr->state) { case WORKING_WORKING: - dbg_link("WW/"); switch (event) { case TRAFFIC_MSG_EVT: - dbg_link("TRF-"); - /* fall through */ case ACTIVATE_MSG: - dbg_link("ACT\n"); break; case TIMEOUT_EVT: - dbg_link("TIM "); if (l_ptr->next_in_no != l_ptr->checkpoint) { l_ptr->checkpoint = l_ptr->next_in_no; if (tipc_bclink_acks_missing(l_ptr->owner)) { @@ -732,7 +641,6 @@ static void link_state_event(struct link *l_ptr, unsigned event) link_set_timer(l_ptr, cont_intv); break; } - dbg_link(" -> WU\n"); l_ptr->state = WORKING_UNKNOWN; l_ptr->fsm_msg_cnt = 0; tipc_link_send_proto_msg(l_ptr, STATE_MSG, 1, 0, 0, 0, 0); @@ -740,7 +648,6 @@ static void link_state_event(struct link *l_ptr, unsigned event) link_set_timer(l_ptr, cont_intv / 4); break; case RESET_MSG: - dbg_link("RES -> RR\n"); info("Resetting link <%s>, requested by peer\n", l_ptr->name); tipc_link_reset(l_ptr); @@ -755,18 +662,14 @@ static void link_state_event(struct link *l_ptr, unsigned event) } break; case WORKING_UNKNOWN: - dbg_link("WU/"); switch (event) { case TRAFFIC_MSG_EVT: - dbg_link("TRF-"); case ACTIVATE_MSG: - dbg_link("ACT -> WW\n"); l_ptr->state = WORKING_WORKING; l_ptr->fsm_msg_cnt = 0; link_set_timer(l_ptr, cont_intv); break; case RESET_MSG: - dbg_link("RES -> RR\n"); info("Resetting link <%s>, requested by peer " "while probing\n", l_ptr->name); tipc_link_reset(l_ptr); @@ -777,9 +680,7 @@ static void link_state_event(struct link *l_ptr, unsigned event) link_set_timer(l_ptr, cont_intv); break; case TIMEOUT_EVT: - dbg_link("TIM "); if (l_ptr->next_in_no != l_ptr->checkpoint) { - dbg_link("-> WW\n"); l_ptr->state = WORKING_WORKING; l_ptr->fsm_msg_cnt = 0; l_ptr->checkpoint = l_ptr->next_in_no; @@ -790,16 +691,11 @@ static void link_state_event(struct link *l_ptr, unsigned event) } link_set_timer(l_ptr, cont_intv); } else if (l_ptr->fsm_msg_cnt < l_ptr->abort_limit) { - dbg_link("Probing %u/%u,timer = %u ms)\n", - l_ptr->fsm_msg_cnt, l_ptr->abort_limit, - cont_intv / 4); tipc_link_send_proto_msg(l_ptr, STATE_MSG, 1, 0, 0, 0, 0); l_ptr->fsm_msg_cnt++; link_set_timer(l_ptr, cont_intv / 4); } else { /* Link has failed */ - dbg_link("-> RU (%u probes unanswered)\n", - l_ptr->fsm_msg_cnt); warn("Resetting link <%s>, peer not responding\n", l_ptr->name); tipc_link_reset(l_ptr); @@ -816,18 +712,13 @@ static void link_state_event(struct link *l_ptr, unsigned event) } break; case RESET_UNKNOWN: - dbg_link("RU/"); switch (event) { case TRAFFIC_MSG_EVT: - dbg_link("TRF-\n"); break; case ACTIVATE_MSG: other = l_ptr->owner->active_links[0]; - if (other && link_working_unknown(other)) { - dbg_link("ACT\n"); + if (other && link_working_unknown(other)) break; - } - dbg_link("ACT -> WW\n"); l_ptr->state = WORKING_WORKING; l_ptr->fsm_msg_cnt = 0; link_activate(l_ptr); @@ -836,8 +727,6 @@ static void link_state_event(struct link *l_ptr, unsigned event) link_set_timer(l_ptr, cont_intv); break; case RESET_MSG: - dbg_link("RES\n"); - dbg_link(" -> RR\n"); l_ptr->state = RESET_RESET; l_ptr->fsm_msg_cnt = 0; tipc_link_send_proto_msg(l_ptr, ACTIVATE_MSG, 1, 0, 0, 0, 0); @@ -845,11 +734,9 @@ static void link_state_event(struct link *l_ptr, unsigned event) link_set_timer(l_ptr, cont_intv); break; case STARTING_EVT: - dbg_link("START-"); l_ptr->started = 1; /* fall through */ case TIMEOUT_EVT: - dbg_link("TIM\n"); tipc_link_send_proto_msg(l_ptr, RESET_MSG, 0, 0, 0, 0, 0); l_ptr->fsm_msg_cnt++; link_set_timer(l_ptr, cont_intv); @@ -859,18 +746,12 @@ static void link_state_event(struct link *l_ptr, unsigned event) } break; case RESET_RESET: - dbg_link("RR/ "); switch (event) { case TRAFFIC_MSG_EVT: - dbg_link("TRF-"); - /* fall through */ case ACTIVATE_MSG: other = l_ptr->owner->active_links[0]; - if (other && link_working_unknown(other)) { - dbg_link("ACT\n"); + if (other && link_working_unknown(other)) break; - } - dbg_link("ACT -> WW\n"); l_ptr->state = WORKING_WORKING; l_ptr->fsm_msg_cnt = 0; link_activate(l_ptr); @@ -879,14 +760,11 @@ static void link_state_event(struct link *l_ptr, unsigned event) link_set_timer(l_ptr, cont_intv); break; case RESET_MSG: - dbg_link("RES\n"); break; case TIMEOUT_EVT: - dbg_link("TIM\n"); tipc_link_send_proto_msg(l_ptr, ACTIVATE_MSG, 0, 0, 0, 0, 0); l_ptr->fsm_msg_cnt++; link_set_timer(l_ptr, cont_intv); - dbg_link("fsm_msg_cnt %u\n", l_ptr->fsm_msg_cnt); break; default: err("Unknown link event %u in RR state\n", event); @@ -926,9 +804,6 @@ static int link_bundle_buf(struct link *l_ptr, skb_copy_to_linear_data_offset(bundler, to_pos, buf->data, size); msg_set_size(bundler_msg, to_pos + size); msg_set_msgcnt(bundler_msg, msg_msgcnt(bundler_msg) + 1); - dbg("Packed msg # %u(%u octets) into pos %u in buf(#%u)\n", - msg_msgcnt(bundler_msg), size, to_pos, msg_seqno(bundler_msg)); - msg_dbg(msg, "PACKD:"); buf_discard(buf); l_ptr->stats.sent_bundled++; return 1; @@ -977,7 +852,6 @@ int tipc_link_send_buf(struct link *l_ptr, struct sk_buff *buf) return link_schedule_port(l_ptr, msg_origport(msg), size); } - msg_dbg(msg, "TIPC: Congestion, throwing away\n"); buf_discard(buf); if (imp > CONN_MANAGER) { warn("Resetting link <%s>, send queue full", l_ptr->name); @@ -1061,22 +935,16 @@ int tipc_link_send(struct sk_buff *buf, u32 dest, u32 selector) int res = -ELINKCONG; read_lock_bh(&tipc_net_lock); - n_ptr = tipc_node_select(dest, selector); + n_ptr = tipc_node_find(dest); if (n_ptr) { tipc_node_lock(n_ptr); l_ptr = n_ptr->active_links[selector & 1]; - if (l_ptr) { - dbg("tipc_link_send: found link %x for dest %x\n", l_ptr, dest); + if (l_ptr) res = tipc_link_send_buf(l_ptr, buf); - } else { - dbg("Attempt to send msg to unreachable node:\n"); - msg_dbg(buf_msg(buf),">>>"); + else buf_discard(buf); - } tipc_node_unlock(n_ptr); } else { - dbg("Attempt to send msg to unknown node:\n"); - msg_dbg(buf_msg(buf),">>>"); buf_discard(buf); } read_unlock_bh(&tipc_net_lock); @@ -1103,17 +971,14 @@ static int link_send_buf_fast(struct link *l_ptr, struct sk_buff *buf, if (likely(tipc_bearer_send(l_ptr->b_ptr, buf, &l_ptr->media_addr))) { l_ptr->unacked_window = 0; - msg_dbg(msg,"SENT_FAST:"); return res; } - dbg("failed sent fast...\n"); tipc_bearer_schedule(l_ptr->b_ptr, l_ptr); l_ptr->stats.bearer_congs++; l_ptr->next_out = buf; return res; } - } - else + } else *used_max_pkt = l_ptr->max_pkt; } return tipc_link_send_buf(l_ptr, buf); /* All other cases */ @@ -1137,12 +1002,10 @@ int tipc_send_buf_fast(struct sk_buff *buf, u32 destnode) return tipc_port_recv_msg(buf); read_lock_bh(&tipc_net_lock); - n_ptr = tipc_node_select(destnode, selector); + n_ptr = tipc_node_find(destnode); if (likely(n_ptr)) { tipc_node_lock(n_ptr); l_ptr = n_ptr->active_links[selector]; - dbg("send_fast: buf %x selected %x, destnode = %x\n", - buf, l_ptr, destnode); if (likely(l_ptr)) { res = link_send_buf_fast(l_ptr, buf, &dummy); tipc_node_unlock(n_ptr); @@ -1186,7 +1049,7 @@ again: !sender->user_port, &buf); read_lock_bh(&tipc_net_lock); - node = tipc_node_select(destaddr, selector); + node = tipc_node_find(destaddr); if (likely(node)) { tipc_node_lock(node); l_ptr = node->active_links[selector]; @@ -1269,10 +1132,10 @@ static int link_send_sections_long(struct port *sender, struct tipc_node *node; struct tipc_msg *hdr = &sender->publ.phdr; u32 dsz = msg_data_sz(hdr); - u32 max_pkt,fragm_sz,rest; + u32 max_pkt, fragm_sz, rest; struct tipc_msg fragm_hdr; - struct sk_buff *buf,*buf_chain,*prev; - u32 fragm_crs,fragm_rest,hsz,sect_rest; + struct sk_buff *buf, *buf_chain, *prev; + u32 fragm_crs, fragm_rest, hsz, sect_rest; const unchar *sect_crs; int curr_sect; u32 fragm_no; @@ -1292,7 +1155,6 @@ again: /* Prepare reusable fragment header: */ - msg_dbg(hdr, ">FRAGMENTING>"); tipc_msg_init(&fragm_hdr, MSG_FRAGMENTER, FIRST_FRAGMENT, INT_H_SIZE, msg_destnode(hdr)); msg_set_link_selector(&fragm_hdr, sender->publ.ref); @@ -1308,7 +1170,6 @@ again: skb_copy_to_linear_data(buf, &fragm_hdr, INT_H_SIZE); hsz = msg_hdr_sz(hdr); skb_copy_to_linear_data_offset(buf, INT_H_SIZE, hdr, hsz); - msg_dbg(buf_msg(buf), ">BUILD>"); /* Chop up message: */ @@ -1351,7 +1212,7 @@ error: /* Initiate new fragment: */ if (rest <= fragm_sz) { fragm_sz = rest; - msg_set_type(&fragm_hdr,LAST_FRAGMENT); + msg_set_type(&fragm_hdr, LAST_FRAGMENT); } else { msg_set_type(&fragm_hdr, FRAGMENT); } @@ -1367,16 +1228,14 @@ error: skb_copy_to_linear_data(buf, &fragm_hdr, INT_H_SIZE); fragm_crs = INT_H_SIZE; fragm_rest = fragm_sz; - msg_dbg(buf_msg(buf)," >BUILD>"); } - } - while (rest > 0); + } while (rest > 0); /* * Now we have a buffer chain. Select a link and check * that packet size is still OK */ - node = tipc_node_select(destaddr, sender->publ.ref & 1); + node = tipc_node_find(destaddr); if (likely(node)) { tipc_node_lock(node); l_ptr = node->active_links[sender->publ.ref & 1]; @@ -1417,7 +1276,6 @@ reject: l_ptr->stats.sent_fragments++; msg_set_long_msgno(msg, l_ptr->long_msg_seq_no); link_add_to_outqueue(l_ptr, buf, msg); - msg_dbg(msg, ">ADD>"); buf = next; } @@ -1459,14 +1317,12 @@ u32 tipc_link_push_packet(struct link *l_ptr) msg_set_ack(buf_msg(buf), mod(l_ptr->next_in_no - 1)); msg_set_bcast_ack(buf_msg(buf), l_ptr->owner->bclink.last_in); if (tipc_bearer_send(l_ptr->b_ptr, buf, &l_ptr->media_addr)) { - msg_dbg(buf_msg(buf), ">DEF-RETR>"); l_ptr->retransm_queue_head = mod(++r_q_head); l_ptr->retransm_queue_size = --r_q_size; l_ptr->stats.retransmitted++; return 0; } else { l_ptr->stats.bearer_congs++; - msg_dbg(buf_msg(buf), "|>DEF-RETR>"); return PUSH_FAILED; } } @@ -1476,15 +1332,13 @@ u32 tipc_link_push_packet(struct link *l_ptr) buf = l_ptr->proto_msg_queue; if (buf) { msg_set_ack(buf_msg(buf), mod(l_ptr->next_in_no - 1)); - msg_set_bcast_ack(buf_msg(buf),l_ptr->owner->bclink.last_in); + msg_set_bcast_ack(buf_msg(buf), l_ptr->owner->bclink.last_in); if (tipc_bearer_send(l_ptr->b_ptr, buf, &l_ptr->media_addr)) { - msg_dbg(buf_msg(buf), ">DEF-PROT>"); l_ptr->unacked_window = 0; buf_discard(buf); l_ptr->proto_msg_queue = NULL; return 0; } else { - msg_dbg(buf_msg(buf), "|>DEF-PROT>"); l_ptr->stats.bearer_congs++; return PUSH_FAILED; } @@ -1504,11 +1358,9 @@ u32 tipc_link_push_packet(struct link *l_ptr) if (tipc_bearer_send(l_ptr->b_ptr, buf, &l_ptr->media_addr)) { if (msg_user(msg) == MSG_BUNDLER) msg_set_type(msg, CLOSED_MSG); - msg_dbg(msg, ">PUSH-DATA>"); l_ptr->next_out = buf->next; return 0; } else { - msg_dbg(msg, "|PUSH-DATA|"); l_ptr->stats.bearer_congs++; return PUSH_FAILED; } @@ -1556,8 +1408,7 @@ static void link_reset_all(unsigned long addr) for (i = 0; i < MAX_BEARERS; i++) { if (n_ptr->links[i]) { - link_print(n_ptr->links[i], TIPC_OUTPUT, - "Resetting link\n"); + link_print(n_ptr->links[i], "Resetting link\n"); tipc_link_reset(n_ptr->links[i]); } } @@ -1571,13 +1422,12 @@ static void link_retransmit_failure(struct link *l_ptr, struct sk_buff *buf) struct tipc_msg *msg = buf_msg(buf); warn("Retransmission failure on link <%s>\n", l_ptr->name); - tipc_msg_dbg(TIPC_OUTPUT, msg, ">RETR-FAIL>"); if (l_ptr->addr) { /* Handle failure on standard link */ - link_print(l_ptr, TIPC_OUTPUT, "Resetting link\n"); + link_print(l_ptr, "Resetting link\n"); tipc_link_reset(l_ptr); } else { @@ -1587,21 +1437,21 @@ static void link_retransmit_failure(struct link *l_ptr, struct sk_buff *buf) struct tipc_node *n_ptr; char addr_string[16]; - tipc_printf(TIPC_OUTPUT, "Msg seq number: %u, ", msg_seqno(msg)); - tipc_printf(TIPC_OUTPUT, "Outstanding acks: %lu\n", - (unsigned long) TIPC_SKB_CB(buf)->handle); + info("Msg seq number: %u, ", msg_seqno(msg)); + info("Outstanding acks: %lu\n", + (unsigned long) TIPC_SKB_CB(buf)->handle); n_ptr = l_ptr->owner->next; tipc_node_lock(n_ptr); tipc_addr_string_fill(addr_string, n_ptr->addr); - tipc_printf(TIPC_OUTPUT, "Multicast link info for %s\n", addr_string); - tipc_printf(TIPC_OUTPUT, "Supported: %d, ", n_ptr->bclink.supported); - tipc_printf(TIPC_OUTPUT, "Acked: %u\n", n_ptr->bclink.acked); - tipc_printf(TIPC_OUTPUT, "Last in: %u, ", n_ptr->bclink.last_in); - tipc_printf(TIPC_OUTPUT, "Gap after: %u, ", n_ptr->bclink.gap_after); - tipc_printf(TIPC_OUTPUT, "Gap to: %u\n", n_ptr->bclink.gap_to); - tipc_printf(TIPC_OUTPUT, "Nack sync: %u\n\n", n_ptr->bclink.nack_sync); + info("Multicast link info for %s\n", addr_string); + info("Supported: %d, ", n_ptr->bclink.supported); + info("Acked: %u\n", n_ptr->bclink.acked); + info("Last in: %u, ", n_ptr->bclink.last_in); + info("Gap after: %u, ", n_ptr->bclink.gap_after); + info("Gap to: %u\n", n_ptr->bclink.gap_to); + info("Nack sync: %u\n\n", n_ptr->bclink.nack_sync); tipc_k_signal((Handler)link_reset_all, (unsigned long)n_ptr->addr); @@ -1621,12 +1471,8 @@ void tipc_link_retransmit(struct link *l_ptr, struct sk_buff *buf, msg = buf_msg(buf); - dbg("Retransmitting %u in link %x\n", retransmits, l_ptr); - if (tipc_bearer_congested(l_ptr->b_ptr, l_ptr)) { if (l_ptr->retransm_queue_size == 0) { - msg_dbg(msg, ">NO_RETR->BCONG>"); - dbg_print_link(l_ptr, " "); l_ptr->retransm_queue_head = msg_seqno(msg); l_ptr->retransm_queue_size = retransmits; } else { @@ -1653,7 +1499,6 @@ void tipc_link_retransmit(struct link *l_ptr, struct sk_buff *buf, msg_set_ack(msg, mod(l_ptr->next_in_no - 1)); msg_set_bcast_ack(msg, l_ptr->owner->bclink.last_in); if (tipc_bearer_send(l_ptr->b_ptr, buf, &l_ptr->media_addr)) { - msg_dbg(buf_msg(buf), ">RETR>"); buf = buf->next; retransmits--; l_ptr->stats.retransmitted++; @@ -1779,9 +1624,8 @@ void tipc_recv_msg(struct sk_buff *head, struct tipc_bearer *tb_ptr) /* Ensure message data is a single contiguous unit */ - if (unlikely(buf_linearize(buf))) { + if (unlikely(buf_linearize(buf))) goto cont; - } /* Handle arrival of a non-unicast link message */ @@ -1893,7 +1737,7 @@ deliver: continue; case ROUTE_DISTRIBUTOR: tipc_node_unlock(n_ptr); - tipc_cltr_recv_routing_table(buf); + buf_discard(buf); continue; case NAME_DISTRIBUTOR: tipc_node_unlock(n_ptr); @@ -1939,12 +1783,10 @@ deliver: tipc_node_unlock(n_ptr); continue; } - msg_dbg(msg,"NSEQ<REC<"); link_state_event(l_ptr, TRAFFIC_MSG_EVT); if (link_working_working(l_ptr)) { /* Re-insert in front of queue */ - msg_dbg(msg,"RECV-REINS:"); buf->next = head; head = buf; tipc_node_unlock(n_ptr); @@ -1998,13 +1840,11 @@ u32 tipc_link_defer_pkt(struct sk_buff **head, *head = buf; return 1; } - if (seq_no == msg_seqno(msg)) { + if (seq_no == msg_seqno(msg)) break; - } prev = crs; crs = crs->next; - } - while (crs); + } while (crs); /* Message is a duplicate of an existing message */ @@ -2026,9 +1866,6 @@ static void link_handle_out_of_seq_msg(struct link *l_ptr, return; } - dbg("rx OOS msg: seq_no %u, expecting %u (%u)\n", - seq_no, mod(l_ptr->next_in_no), l_ptr->next_in_no); - /* Record OOS packet arrival (force mismatch on next timeout) */ l_ptr->checkpoint--; @@ -2118,11 +1955,10 @@ void tipc_link_send_proto_msg(struct link *l_ptr, u32 msg_typ, int probe_msg, msg_set_max_pkt(msg, l_ptr->max_pkt_target); } - if (tipc_node_has_redundant_links(l_ptr->owner)) { + if (tipc_node_has_redundant_links(l_ptr->owner)) msg_set_redundant_link(msg); - } else { + else msg_clear_redundant_link(msg); - } msg_set_linkprio(msg, l_ptr->priority); /* Ensure sequence number will not fit : */ @@ -2146,8 +1982,6 @@ void tipc_link_send_proto_msg(struct link *l_ptr, u32 msg_typ, int probe_msg, /* Message can be sent */ - msg_dbg(msg, ">>"); - buf = tipc_buf_acquire(msg_size); if (!buf) return; @@ -2181,8 +2015,6 @@ static void link_recv_proto_msg(struct link *l_ptr, struct sk_buff *buf) u32 msg_tol; struct tipc_msg *msg = buf_msg(buf); - dbg("AT(%u):", jiffies_to_msecs(jiffies)); - msg_dbg(msg, "<<"); if (link_blocked(l_ptr)) goto exit; @@ -2201,11 +2033,8 @@ static void link_recv_proto_msg(struct link *l_ptr, struct sk_buff *buf) case RESET_MSG: if (!link_working_unknown(l_ptr) && (l_ptr->peer_session != INVALID_SESSION)) { - if (msg_session(msg) == l_ptr->peer_session) { - dbg("Duplicate RESET: %u<->%u\n", - msg_session(msg), l_ptr->peer_session); + if (msg_session(msg) == l_ptr->peer_session) break; /* duplicate: ignore */ - } } /* fall thru' */ case ACTIVATE_MSG: @@ -2213,8 +2042,8 @@ static void link_recv_proto_msg(struct link *l_ptr, struct sk_buff *buf) strcpy((strrchr(l_ptr->name, ':') + 1), (char *)msg_data(msg)); - if ((msg_tol = msg_link_tolerance(msg)) && - (msg_tol > l_ptr->tolerance)) + msg_tol = msg_link_tolerance(msg); + if (msg_tol > l_ptr->tolerance) link_set_supervision_props(l_ptr, msg_tol); if (msg_linkprio(msg) > l_ptr->priority) @@ -2237,13 +2066,13 @@ static void link_recv_proto_msg(struct link *l_ptr, struct sk_buff *buf) l_ptr->peer_bearer_id = msg_bearer_id(msg); /* Synchronize broadcast sequence numbers */ - if (!tipc_node_has_redundant_links(l_ptr->owner)) { + if (!tipc_node_has_redundant_links(l_ptr->owner)) l_ptr->owner->bclink.last_in = mod(msg_last_bcast(msg)); - } break; case STATE_MSG: - if ((msg_tol = msg_link_tolerance(msg))) + msg_tol = msg_link_tolerance(msg); + if (msg_tol) link_set_supervision_props(l_ptr, msg_tol); if (msg_linkprio(msg) && @@ -2266,8 +2095,6 @@ static void link_recv_proto_msg(struct link *l_ptr, struct sk_buff *buf) max_pkt_ack = msg_max_pkt(msg); if (max_pkt_ack > l_ptr->max_pkt) { - dbg("Link <%s> updated MTU %u -> %u\n", - l_ptr->name, l_ptr->max_pkt, max_pkt_ack); l_ptr->max_pkt = max_pkt_ack; l_ptr->max_pkt_probes = 0; } @@ -2275,9 +2102,8 @@ static void link_recv_proto_msg(struct link *l_ptr, struct sk_buff *buf) max_pkt_ack = 0; if (msg_probe(msg)) { l_ptr->stats.recv_probes++; - if (msg_size(msg) > sizeof(l_ptr->proto_msg)) { + if (msg_size(msg) > sizeof(l_ptr->proto_msg)) max_pkt_ack = msg_size(msg); - } } /* Protocol message before retransmits, reduce loss risk */ @@ -2289,14 +2115,11 @@ static void link_recv_proto_msg(struct link *l_ptr, struct sk_buff *buf) 0, rec_gap, 0, 0, max_pkt_ack); } if (msg_seq_gap(msg)) { - msg_dbg(msg, "With Gap:"); l_ptr->stats.recv_nacks++; tipc_link_retransmit(l_ptr, l_ptr->first_out, msg_seq_gap(msg)); } break; - default: - msg_dbg(buf_msg(buf), "<DISCARDING UNKNOWN<"); } exit: buf_discard(buf); @@ -2331,8 +2154,6 @@ static void tipc_link_tunnel(struct link *l_ptr, } skb_copy_to_linear_data(buf, tunnel_hdr, INT_H_SIZE); skb_copy_to_linear_data_offset(buf, INT_H_SIZE, msg, length); - dbg("%c->%c:", l_ptr->b_ptr->net_plane, tunnel->b_ptr->net_plane); - msg_dbg(buf_msg(buf), ">SEND>"); tipc_link_send_buf(tunnel, buf); } @@ -2364,7 +2185,6 @@ void tipc_link_changeover(struct link *l_ptr) ORIGINAL_MSG, INT_H_SIZE, l_ptr->addr); msg_set_bearer_id(&tunnel_hdr, l_ptr->peer_bearer_id); msg_set_msgcnt(&tunnel_hdr, msgcount); - dbg("Link changeover requires %u tunnel messages\n", msgcount); if (!l_ptr->first_out) { struct sk_buff *buf; @@ -2373,9 +2193,6 @@ void tipc_link_changeover(struct link *l_ptr) if (buf) { skb_copy_to_linear_data(buf, &tunnel_hdr, INT_H_SIZE); msg_set_size(&tunnel_hdr, INT_H_SIZE); - dbg("%c->%c:", l_ptr->b_ptr->net_plane, - tunnel->b_ptr->net_plane); - msg_dbg(&tunnel_hdr, "EMPTY>SEND>"); tipc_link_send_buf(tunnel, buf); } else { warn("Link changeover error, " @@ -2392,11 +2209,11 @@ void tipc_link_changeover(struct link *l_ptr) if ((msg_user(msg) == MSG_BUNDLER) && split_bundles) { struct tipc_msg *m = msg_get_wrapped(msg); - unchar* pos = (unchar*)m; + unchar *pos = (unchar *)m; msgcount = msg_msgcnt(msg); while (msgcount--) { - msg_set_seqno(m,msg_seqno(msg)); + msg_set_seqno(m, msg_seqno(msg)); tipc_link_tunnel(l_ptr, &tunnel_hdr, m, msg_link_selector(m)); pos += align(msg_size(m)); @@ -2439,9 +2256,6 @@ void tipc_link_send_duplicate(struct link *l_ptr, struct link *tunnel) skb_copy_to_linear_data(outbuf, &tunnel_hdr, INT_H_SIZE); skb_copy_to_linear_data_offset(outbuf, INT_H_SIZE, iter->data, length); - dbg("%c->%c:", l_ptr->b_ptr->net_plane, - tunnel->b_ptr->net_plane); - msg_dbg(buf_msg(outbuf), ">SEND>"); tipc_link_send_buf(tunnel, outbuf); if (!tipc_link_is_up(l_ptr)) return; @@ -2488,31 +2302,24 @@ static int link_recv_changeover_msg(struct link **l_ptr, u32 msg_count = msg_msgcnt(tunnel_msg); dest_link = (*l_ptr)->owner->links[msg_bearer_id(tunnel_msg)]; - if (!dest_link) { - msg_dbg(tunnel_msg, "NOLINK/<REC<"); + if (!dest_link) goto exit; - } if (dest_link == *l_ptr) { err("Unexpected changeover message on link <%s>\n", (*l_ptr)->name); goto exit; } - dbg("%c<-%c:", dest_link->b_ptr->net_plane, - (*l_ptr)->b_ptr->net_plane); *l_ptr = dest_link; msg = msg_get_wrapped(tunnel_msg); if (msg_typ == DUPLICATE_MSG) { - if (less(msg_seqno(msg), mod(dest_link->next_in_no))) { - msg_dbg(tunnel_msg, "DROP/<REC<"); + if (less(msg_seqno(msg), mod(dest_link->next_in_no))) goto exit; - } - *buf = buf_extract(tunnel_buf,INT_H_SIZE); + *buf = buf_extract(tunnel_buf, INT_H_SIZE); if (*buf == NULL) { warn("Link changeover error, duplicate msg dropped\n"); goto exit; } - msg_dbg(tunnel_msg, "TNL<REC<"); buf_discard(tunnel_buf); return 1; } @@ -2520,18 +2327,14 @@ static int link_recv_changeover_msg(struct link **l_ptr, /* First original message ?: */ if (tipc_link_is_up(dest_link)) { - msg_dbg(tunnel_msg, "UP/FIRST/<REC<"); info("Resetting link <%s>, changeover initiated by peer\n", dest_link->name); tipc_link_reset(dest_link); dest_link->exp_msg_count = msg_count; - dbg("Expecting %u tunnelled messages\n", msg_count); if (!msg_count) goto exit; } else if (dest_link->exp_msg_count == START_CHANGEOVER) { - msg_dbg(tunnel_msg, "BLK/FIRST/<REC<"); dest_link->exp_msg_count = msg_count; - dbg("Expecting %u tunnelled messages\n", msg_count); if (!msg_count) goto exit; } @@ -2541,18 +2344,14 @@ static int link_recv_changeover_msg(struct link **l_ptr, if (dest_link->exp_msg_count == 0) { warn("Link switchover error, " "got too many tunnelled messages\n"); - msg_dbg(tunnel_msg, "OVERDUE/DROP/<REC<"); - dbg_print_link(dest_link, "LINK:"); goto exit; } dest_link->exp_msg_count--; if (less(msg_seqno(msg), dest_link->reset_checkpoint)) { - msg_dbg(tunnel_msg, "DROP/DUPL/<REC<"); goto exit; } else { *buf = buf_extract(tunnel_buf, INT_H_SIZE); if (*buf != NULL) { - msg_dbg(tunnel_msg, "TNL<REC<"); buf_discard(tunnel_buf); return 1; } else { @@ -2574,7 +2373,6 @@ void tipc_link_recv_bundle(struct sk_buff *buf) u32 pos = INT_H_SIZE; struct sk_buff *obuf; - msg_dbg(buf_msg(buf), "<BNDL<: "); while (msgcount--) { obuf = buf_extract(buf, pos); if (obuf == NULL) { @@ -2582,7 +2380,6 @@ void tipc_link_recv_bundle(struct sk_buff *buf) break; } pos += align(msg_size(buf_msg(obuf))); - msg_dbg(buf_msg(obuf), " /"); tipc_net_route_msg(obuf); } buf_discard(buf); @@ -2719,7 +2516,6 @@ int tipc_link_recv_fragment(struct sk_buff **pending, struct sk_buff **fb, u32 long_msg_seq_no = msg_long_msgno(fragm); *fb = NULL; - msg_dbg(fragm,"FRG<REC<"); /* Is there an incomplete message waiting for this fragment? */ @@ -2738,7 +2534,6 @@ int tipc_link_recv_fragment(struct sk_buff **pending, struct sk_buff **fb, if (msg_type(imsg) == TIPC_MCAST_MSG) max = TIPC_MAX_USER_MSG_SIZE + MCAST_H_SIZE; if (msg_size(imsg) > max) { - msg_dbg(fragm,"<REC<Oversized: "); buf_discard(fbuf); return 0; } @@ -2751,8 +2546,8 @@ int tipc_link_recv_fragment(struct sk_buff **pending, struct sk_buff **fb, /* Prepare buffer for subsequent fragments. */ set_long_msg_seqno(pbuf, long_msg_seq_no); - set_fragm_size(pbuf,fragm_sz); - set_expected_frags(pbuf,exp_fragm_cnt - 1); + set_fragm_size(pbuf, fragm_sz); + set_expected_frags(pbuf, exp_fragm_cnt - 1); } else { warn("Link unable to reassemble fragmented message\n"); } @@ -2779,13 +2574,9 @@ int tipc_link_recv_fragment(struct sk_buff **pending, struct sk_buff **fb, *m = buf_msg(pbuf); return 1; } - set_expected_frags(pbuf,exp_frags); + set_expected_frags(pbuf, exp_frags); return 0; } - dbg(" Discarding orphan fragment %x\n",fbuf); - msg_dbg(fragm,"ORPHAN:"); - dbg("Pending long buffers:\n"); - dbg_print_buf_chain(*pending); buf_discard(fbuf); return 0; } @@ -2813,11 +2604,6 @@ static void link_check_defragm_bufs(struct link *l_ptr) incr_timer_cnt(buf); prev = buf; } else { - dbg(" Discarding incomplete long buffer\n"); - msg_dbg(buf_msg(buf), "LONG:"); - dbg_print_link(l_ptr, "curr:"); - dbg("Pending long buffers:\n"); - dbg_print_buf_chain(l_ptr->defragm_buf); if (prev) prev->next = buf->next; else @@ -2852,7 +2638,6 @@ void tipc_link_set_queue_limits(struct link *l_ptr, u32 window) l_ptr->queue_limit[TIPC_HIGH_IMPORTANCE + 4] = 900; l_ptr->queue_limit[TIPC_CRITICAL_IMPORTANCE + 4] = 1200; l_ptr->queue_limit[CONN_MANAGER] = 1200; - l_ptr->queue_limit[ROUTE_DISTRIBUTOR] = 1200; l_ptr->queue_limit[CHANGEOVER_PROTOCOL] = 2500; l_ptr->queue_limit[NAME_DISTRIBUTOR] = 3000; /* FRAGMENT and LAST_FRAGMENT packets */ @@ -3154,7 +2939,7 @@ u32 tipc_link_get_max_pkt(u32 dest, u32 selector) return MAX_MSG_SIZE; read_lock_bh(&tipc_net_lock); - n_ptr = tipc_node_select(dest, selector); + n_ptr = tipc_node_find(dest); if (n_ptr) { tipc_node_lock(n_ptr); l_ptr = n_ptr->active_links[selector & 1]; @@ -3166,27 +2951,22 @@ u32 tipc_link_get_max_pkt(u32 dest, u32 selector) return res; } -static void link_dump_send_queue(struct link *l_ptr) +static void link_print(struct link *l_ptr, const char *str) { - if (l_ptr->next_out) { - info("\nContents of unsent queue:\n"); - dbg_print_buf_chain(l_ptr->next_out); - } - info("\nContents of send queue:\n"); - if (l_ptr->first_out) { - dbg_print_buf_chain(l_ptr->first_out); - } - info("Empty send queue\n"); -} + char print_area[256]; + struct print_buf pb; + struct print_buf *buf = &pb; + + tipc_printbuf_init(buf, print_area, sizeof(print_area)); -static void link_print(struct link *l_ptr, struct print_buf *buf, - const char *str) -{ tipc_printf(buf, str); - if (link_reset_reset(l_ptr) || link_reset_unknown(l_ptr)) - return; tipc_printf(buf, "Link %x<%s>:", l_ptr->addr, l_ptr->b_ptr->publ.name); + +#ifdef CONFIG_TIPC_DEBUG + if (link_reset_reset(l_ptr) || link_reset_unknown(l_ptr)) + goto print_state; + tipc_printf(buf, ": NXO(%u):", mod(l_ptr->next_out_no)); tipc_printf(buf, "NXI(%u):", mod(l_ptr->next_in_no)); tipc_printf(buf, "SQUE"); @@ -3204,7 +2984,6 @@ static void link_print(struct link *l_ptr, struct print_buf *buf, tipc_printf(buf, "first_out= %x ", l_ptr->first_out); tipc_printf(buf, "next_out= %x ", l_ptr->next_out); tipc_printf(buf, "last_out= %x ", l_ptr->last_out); - link_dump_send_queue(l_ptr); } } else tipc_printf(buf, "[]"); @@ -3218,14 +2997,20 @@ static void link_print(struct link *l_ptr, struct print_buf *buf, l_ptr->deferred_inqueue_sz); } } +print_state: +#endif + if (link_working_unknown(l_ptr)) tipc_printf(buf, ":WU"); - if (link_reset_reset(l_ptr)) + else if (link_reset_reset(l_ptr)) tipc_printf(buf, ":RR"); - if (link_reset_unknown(l_ptr)) + else if (link_reset_unknown(l_ptr)) tipc_printf(buf, ":RU"); - if (link_working_working(l_ptr)) + else if (link_working_working(l_ptr)) tipc_printf(buf, ":WW"); tipc_printf(buf, "\n"); + + tipc_printbuf_validate(buf); + info("%s", print_area); } diff --git a/net/tipc/link.h b/net/tipc/link.h index c562888d25da..70967e637027 100644 --- a/net/tipc/link.h +++ b/net/tipc/link.h @@ -37,7 +37,7 @@ #ifndef _TIPC_LINK_H #define _TIPC_LINK_H -#include "dbg.h" +#include "log.h" #include "msg.h" #include "node.h" @@ -107,7 +107,6 @@ * @long_msg_seq_no: next identifier to use for outbound fragmented messages * @defragm_buf: list of partially reassembled inbound message fragments * @stats: collects statistics regarding link activity - * @print_buf: print buffer used to log link activity */ struct link { @@ -210,8 +209,6 @@ struct link { u32 msg_lengths_total; u32 msg_length_profile[7]; } stats; - - struct print_buf print_buf; }; struct port; @@ -232,8 +229,8 @@ struct sk_buff *tipc_link_cmd_reset_stats(const void *req_tlv_area, int req_tlv_ void tipc_link_reset(struct link *l_ptr); int tipc_link_send(struct sk_buff *buf, u32 dest, u32 selector); int tipc_link_send_buf(struct link *l_ptr, struct sk_buff *buf); -u32 tipc_link_get_max_pkt(u32 dest,u32 selector); -int tipc_link_send_sections_fast(struct port* sender, +u32 tipc_link_get_max_pkt(u32 dest, u32 selector); +int tipc_link_send_sections_fast(struct port *sender, struct iovec const *msg_sect, const u32 num_sect, u32 destnode); diff --git a/net/tipc/dbg.c b/net/tipc/log.c index 46f51d208e5e..952c39f643e6 100644 --- a/net/tipc/dbg.c +++ b/net/tipc/log.c @@ -1,5 +1,5 @@ /* - * net/tipc/dbg.c: TIPC print buffer routines for debugging + * net/tipc/log.c: TIPC print buffer routines for debugging * * Copyright (c) 1996-2006, Ericsson AB * Copyright (c) 2005-2007, Wind River Systems @@ -36,7 +36,7 @@ #include "core.h" #include "config.h" -#include "dbg.h" +#include "log.h" /* * TIPC pre-defines the following print buffers: @@ -52,7 +52,7 @@ static struct print_buf null_buf = { NULL, 0, NULL, 0 }; struct print_buf *const TIPC_NULL = &null_buf; static struct print_buf cons_buf = { NULL, 0, NULL, 1 }; -static struct print_buf *const TIPC_CONS = &cons_buf; +struct print_buf *const TIPC_CONS = &cons_buf; static struct print_buf log_buf = { NULL, 0, NULL, 1 }; struct print_buf *const TIPC_LOG = &log_buf; @@ -64,9 +64,9 @@ struct print_buf *const TIPC_LOG = &log_buf; * 'print_string' when writing to a print buffer. This also protects against * concurrent writes to the print buffer being written to. * - * 2) tipc_dump() and tipc_log_XXX() leverage the aforementioned - * use of 'print_lock' to protect against all types of concurrent operations - * on their associated print buffer (not just write operations). + * 2) tipc_log_XXX() leverages the aforementioned use of 'print_lock' to + * protect against all types of concurrent operations on their associated + * print buffer (not just write operations). * * Note: All routines of the form tipc_printbuf_XXX() are lock-free, and rely * on the caller to prevent simultaneous use of the print buffer(s) being @@ -76,18 +76,16 @@ struct print_buf *const TIPC_LOG = &log_buf; static char print_string[TIPC_PB_MAX_STR]; static DEFINE_SPINLOCK(print_lock); -static void tipc_printbuf_reset(struct print_buf *pb); -static int tipc_printbuf_empty(struct print_buf *pb); static void tipc_printbuf_move(struct print_buf *pb_to, struct print_buf *pb_from); -#define FORMAT(PTR,LEN,FMT) \ +#define FORMAT(PTR, LEN, FMT) \ {\ - va_list args;\ - va_start(args, FMT);\ - LEN = vsprintf(PTR, FMT, args);\ - va_end(args);\ - *(PTR + LEN) = '\0';\ + va_list args;\ + va_start(args, FMT);\ + LEN = vsprintf(PTR, FMT, args);\ + va_end(args);\ + *(PTR + LEN) = '\0';\ } /** @@ -268,81 +266,6 @@ void tipc_printf(struct print_buf *pb, const char *fmt, ...) spin_unlock_bh(&print_lock); } -#ifdef CONFIG_TIPC_DEBUG - -/** - * print_to_console - write string of bytes to console in multiple chunks - */ - -static void print_to_console(char *crs, int len) -{ - int rest = len; - - while (rest > 0) { - int sz = rest < TIPC_PB_MAX_STR ? rest : TIPC_PB_MAX_STR; - char c = crs[sz]; - - crs[sz] = 0; - printk((const char *)crs); - crs[sz] = c; - rest -= sz; - crs += sz; - } -} - -/** - * printbuf_dump - write print buffer contents to console - */ - -static void printbuf_dump(struct print_buf *pb) -{ - int len; - - if (!pb->buf) { - printk("*** PRINT BUFFER NOT ALLOCATED ***"); - return; - } - - /* Dump print buffer from char after cursor to end (if used) */ - - len = pb->buf + pb->size - pb->crs - 2; - if ((pb->buf[pb->size - 1] == 0) && (len > 0)) - print_to_console(pb->crs + 1, len); - - /* Dump print buffer from start to cursor (always) */ - - len = pb->crs - pb->buf; - print_to_console(pb->buf, len); -} - -/** - * tipc_dump_dbg - dump (non-console) print buffer to console - * @pb: pointer to print buffer - */ - -void tipc_dump_dbg(struct print_buf *pb, const char *fmt, ...) -{ - int len; - - if (pb == TIPC_CONS) - return; - - spin_lock_bh(&print_lock); - - FORMAT(print_string, len, fmt); - printk(print_string); - - printk("\n---- Start of %s log dump ----\n\n", - (pb == TIPC_LOG) ? "global" : "local"); - printbuf_dump(pb); - tipc_printbuf_reset(pb); - printk("\n---- End of dump ----\n"); - - spin_unlock_bh(&print_lock); -} - -#endif - /** * tipc_log_resize - change the size of the TIPC log buffer * @log_size: print buffer size to use @@ -353,10 +276,8 @@ int tipc_log_resize(int log_size) int res = 0; spin_lock_bh(&print_lock); - if (TIPC_LOG->buf) { - kfree(TIPC_LOG->buf); - TIPC_LOG->buf = NULL; - } + kfree(TIPC_LOG->buf); + TIPC_LOG->buf = NULL; if (log_size) { if (log_size < TIPC_PB_MIN_SIZE) log_size = TIPC_PB_MIN_SIZE; @@ -407,8 +328,7 @@ struct sk_buff *tipc_log_dump(void) } else if (tipc_printbuf_empty(TIPC_LOG)) { spin_unlock_bh(&print_lock); reply = tipc_cfg_reply_ultra_string("log is empty\n"); - } - else { + } else { struct tlv_desc *rep_tlv; struct print_buf pb; int str_len; @@ -429,4 +349,3 @@ struct sk_buff *tipc_log_dump(void) } return reply; } - diff --git a/net/tipc/dbg.h b/net/tipc/log.h index 3ba6ba8b434a..2248d96238e6 100644 --- a/net/tipc/dbg.h +++ b/net/tipc/log.h @@ -1,5 +1,5 @@ /* - * net/tipc/dbg.h: Include file for TIPC print buffer routines + * net/tipc/log.h: Include file for TIPC print buffer routines * * Copyright (c) 1997-2006, Ericsson AB * Copyright (c) 2005-2007, Wind River Systems @@ -34,8 +34,8 @@ * POSSIBILITY OF SUCH DAMAGE. */ -#ifndef _TIPC_DBG_H -#define _TIPC_DBG_H +#ifndef _TIPC_LOG_H +#define _TIPC_LOG_H /** * struct print_buf - TIPC print buffer structure diff --git a/net/tipc/msg.c b/net/tipc/msg.c index ee6b4c68d4a4..bb6180c4fcbb 100644 --- a/net/tipc/msg.c +++ b/net/tipc/msg.c @@ -35,7 +35,6 @@ */ #include "core.h" -#include "addr.h" #include "msg.h" u32 tipc_msg_tot_importance(struct tipc_msg *m) @@ -92,7 +91,7 @@ int tipc_msg_calc_data_size(struct iovec const *msg_sect, u32 num_sect) int tipc_msg_build(struct tipc_msg *hdr, struct iovec const *msg_sect, u32 num_sect, - int max_size, int usrmem, struct sk_buff** buf) + int max_size, int usrmem, struct sk_buff **buf) { int dsz, sz, hsz, pos, res, cnt; @@ -138,6 +137,7 @@ int tipc_msg_build(struct tipc_msg *hdr, void tipc_msg_dbg(struct print_buf *buf, struct tipc_msg *msg, const char *str) { u32 usr = msg_user(msg); + tipc_printf(buf, KERN_DEBUG); tipc_printf(buf, str); switch (usr) { @@ -161,10 +161,10 @@ void tipc_msg_dbg(struct print_buf *buf, struct tipc_msg *msg, const char *str) tipc_printf(buf, "LAST:"); break; default: - tipc_printf(buf, "UNKNOWN:%x",msg_type(msg)); + tipc_printf(buf, "UNKNOWN:%x", msg_type(msg)); } - tipc_printf(buf, "NO(%u/%u):",msg_long_msgno(msg), + tipc_printf(buf, "NO(%u/%u):", msg_long_msgno(msg), msg_fragm_no(msg)); break; case TIPC_LOW_IMPORTANCE: @@ -190,7 +190,7 @@ void tipc_msg_dbg(struct print_buf *buf, struct tipc_msg *msg, const char *str) tipc_printf(buf, "DIR:"); break; default: - tipc_printf(buf, "UNKNOWN TYPE %u",msg_type(msg)); + tipc_printf(buf, "UNKNOWN TYPE %u", msg_type(msg)); } if (msg_routed(msg) && !msg_non_seq(msg)) tipc_printf(buf, "ROUT:"); @@ -208,7 +208,7 @@ void tipc_msg_dbg(struct print_buf *buf, struct tipc_msg *msg, const char *str) tipc_printf(buf, "WDRW:"); break; default: - tipc_printf(buf, "UNKNOWN:%x",msg_type(msg)); + tipc_printf(buf, "UNKNOWN:%x", msg_type(msg)); } if (msg_routed(msg)) tipc_printf(buf, "ROUT:"); @@ -227,39 +227,39 @@ void tipc_msg_dbg(struct print_buf *buf, struct tipc_msg *msg, const char *str) break; case CONN_ACK: tipc_printf(buf, "CONN_ACK:"); - tipc_printf(buf, "ACK(%u):",msg_msgcnt(msg)); + tipc_printf(buf, "ACK(%u):", msg_msgcnt(msg)); break; default: - tipc_printf(buf, "UNKNOWN TYPE:%x",msg_type(msg)); + tipc_printf(buf, "UNKNOWN TYPE:%x", msg_type(msg)); } if (msg_routed(msg)) tipc_printf(buf, "ROUT:"); if (msg_reroute_cnt(msg)) - tipc_printf(buf, "REROUTED(%u):",msg_reroute_cnt(msg)); + tipc_printf(buf, "REROUTED(%u):", msg_reroute_cnt(msg)); break; case LINK_PROTOCOL: - tipc_printf(buf, "PROT:TIM(%u):",msg_timestamp(msg)); + tipc_printf(buf, "PROT:TIM(%u):", msg_timestamp(msg)); switch (msg_type(msg)) { case STATE_MSG: tipc_printf(buf, "STATE:"); - tipc_printf(buf, "%s:",msg_probe(msg) ? "PRB" :""); - tipc_printf(buf, "NXS(%u):",msg_next_sent(msg)); - tipc_printf(buf, "GAP(%u):",msg_seq_gap(msg)); - tipc_printf(buf, "LSTBC(%u):",msg_last_bcast(msg)); + tipc_printf(buf, "%s:", msg_probe(msg) ? "PRB" : ""); + tipc_printf(buf, "NXS(%u):", msg_next_sent(msg)); + tipc_printf(buf, "GAP(%u):", msg_seq_gap(msg)); + tipc_printf(buf, "LSTBC(%u):", msg_last_bcast(msg)); break; case RESET_MSG: tipc_printf(buf, "RESET:"); if (msg_size(msg) != msg_hdr_sz(msg)) - tipc_printf(buf, "BEAR:%s:",msg_data(msg)); + tipc_printf(buf, "BEAR:%s:", msg_data(msg)); break; case ACTIVATE_MSG: tipc_printf(buf, "ACTIVATE:"); break; default: - tipc_printf(buf, "UNKNOWN TYPE:%x",msg_type(msg)); + tipc_printf(buf, "UNKNOWN TYPE:%x", msg_type(msg)); } - tipc_printf(buf, "PLANE(%c):",msg_net_plane(msg)); - tipc_printf(buf, "SESS(%u):",msg_session(msg)); + tipc_printf(buf, "PLANE(%c):", msg_net_plane(msg)); + tipc_printf(buf, "SESS(%u):", msg_session(msg)); break; case CHANGEOVER_PROTOCOL: tipc_printf(buf, "TUNL:"); @@ -269,10 +269,10 @@ void tipc_msg_dbg(struct print_buf *buf, struct tipc_msg *msg, const char *str) break; case ORIGINAL_MSG: tipc_printf(buf, "ORIG:"); - tipc_printf(buf, "EXP(%u)",msg_msgcnt(msg)); + tipc_printf(buf, "EXP(%u)", msg_msgcnt(msg)); break; default: - tipc_printf(buf, "UNKNOWN TYPE:%x",msg_type(msg)); + tipc_printf(buf, "UNKNOWN TYPE:%x", msg_type(msg)); } break; case ROUTE_DISTRIBUTOR: @@ -280,26 +280,26 @@ void tipc_msg_dbg(struct print_buf *buf, struct tipc_msg *msg, const char *str) switch (msg_type(msg)) { case EXT_ROUTING_TABLE: tipc_printf(buf, "EXT_TBL:"); - tipc_printf(buf, "TO:%x:",msg_remote_node(msg)); + tipc_printf(buf, "TO:%x:", msg_remote_node(msg)); break; case LOCAL_ROUTING_TABLE: tipc_printf(buf, "LOCAL_TBL:"); - tipc_printf(buf, "TO:%x:",msg_remote_node(msg)); + tipc_printf(buf, "TO:%x:", msg_remote_node(msg)); break; case SLAVE_ROUTING_TABLE: tipc_printf(buf, "DP_TBL:"); - tipc_printf(buf, "TO:%x:",msg_remote_node(msg)); + tipc_printf(buf, "TO:%x:", msg_remote_node(msg)); break; case ROUTE_ADDITION: tipc_printf(buf, "ADD:"); - tipc_printf(buf, "TO:%x:",msg_remote_node(msg)); + tipc_printf(buf, "TO:%x:", msg_remote_node(msg)); break; case ROUTE_REMOVAL: tipc_printf(buf, "REMOVE:"); - tipc_printf(buf, "TO:%x:",msg_remote_node(msg)); + tipc_printf(buf, "TO:%x:", msg_remote_node(msg)); break; default: - tipc_printf(buf, "UNKNOWN TYPE:%x",msg_type(msg)); + tipc_printf(buf, "UNKNOWN TYPE:%x", msg_type(msg)); } break; case LINK_CONFIG: @@ -312,7 +312,7 @@ void tipc_msg_dbg(struct print_buf *buf, struct tipc_msg *msg, const char *str) tipc_printf(buf, "DSC_RESP:"); break; default: - tipc_printf(buf, "UNKNOWN TYPE:%x:",msg_type(msg)); + tipc_printf(buf, "UNKNOWN TYPE:%x:", msg_type(msg)); break; } break; @@ -348,7 +348,8 @@ void tipc_msg_dbg(struct print_buf *buf, struct tipc_msg *msg, const char *str) tipc_printf(buf, "UNKNOWN ERROR(%x):", msg_errcode(msg)); } - default:{} + default: + break; } tipc_printf(buf, "HZ(%u):", msg_hdr_sz(msg)); @@ -357,9 +358,8 @@ void tipc_msg_dbg(struct print_buf *buf, struct tipc_msg *msg, const char *str) if (msg_non_seq(msg)) tipc_printf(buf, "NOSEQ:"); - else { + else tipc_printf(buf, "ACK(%u):", msg_ack(msg)); - } tipc_printf(buf, "BACK(%u):", msg_bcast_ack(msg)); tipc_printf(buf, "PRND(%x)", msg_prevnode(msg)); @@ -387,14 +387,13 @@ void tipc_msg_dbg(struct print_buf *buf, struct tipc_msg *msg, const char *str) if (msg_user(msg) == NAME_DISTRIBUTOR) { tipc_printf(buf, ":ONOD(%x):", msg_orignode(msg)); tipc_printf(buf, ":DNOD(%x):", msg_destnode(msg)); - if (msg_routed(msg)) { + if (msg_routed(msg)) tipc_printf(buf, ":CSEQN(%u)", msg_transp_seqno(msg)); - } } if (msg_user(msg) == LINK_CONFIG) { - u32* raw = (u32*)msg; - struct tipc_media_addr* orig = (struct tipc_media_addr*)&raw[5]; + u32 *raw = (u32 *)msg; + struct tipc_media_addr *orig = (struct tipc_media_addr *)&raw[5]; tipc_printf(buf, ":REQL(%u):", msg_req_links(msg)); tipc_printf(buf, ":DDOM(%x):", msg_dest_domain(msg)); tipc_printf(buf, ":NETID(%u):", msg_bc_netid(msg)); @@ -405,12 +404,10 @@ void tipc_msg_dbg(struct print_buf *buf, struct tipc_msg *msg, const char *str) tipc_printf(buf, "TO(%u):", msg_bcgap_to(msg)); } tipc_printf(buf, "\n"); - if ((usr == CHANGEOVER_PROTOCOL) && (msg_msgcnt(msg))) { + if ((usr == CHANGEOVER_PROTOCOL) && (msg_msgcnt(msg))) tipc_msg_dbg(buf, msg_get_wrapped(msg), " /"); - } - if ((usr == MSG_FRAGMENTER) && (msg_type(msg) == FIRST_FRAGMENT)) { + if ((usr == MSG_FRAGMENTER) && (msg_type(msg) == FIRST_FRAGMENT)) tipc_msg_dbg(buf, msg_get_wrapped(msg), " /"); - } } #endif diff --git a/net/tipc/msg.h b/net/tipc/msg.h index aee53864d7a0..92c4c4fd7b3f 100644 --- a/net/tipc/msg.h +++ b/net/tipc/msg.h @@ -174,7 +174,7 @@ static inline u32 msg_hdr_sz(struct tipc_msg *m) return msg_bits(m, 0, 21, 0xf) << 2; } -static inline void msg_set_hdr_sz(struct tipc_msg *m,u32 n) +static inline void msg_set_hdr_sz(struct tipc_msg *m, u32 n) { msg_set_bits(m, 0, 21, 0xf, n>>2); } @@ -425,7 +425,7 @@ static inline u32 msg_routed(struct tipc_msg *m) { if (likely(msg_short(m))) return 0; - return(msg_destnode(m) ^ msg_orignode(m)) >> 11; + return (msg_destnode(m) ^ msg_orignode(m)) >> 11; } static inline u32 msg_nametype(struct tipc_msg *m) @@ -540,7 +540,7 @@ static inline struct tipc_msg *msg_get_wrapped(struct tipc_msg *m) #define MSG_BUNDLER 6 #define LINK_PROTOCOL 7 #define CONN_MANAGER 8 -#define ROUTE_DISTRIBUTOR 9 +#define ROUTE_DISTRIBUTOR 9 /* obsoleted */ #define CHANGEOVER_PROTOCOL 10 #define NAME_DISTRIBUTOR 11 #define MSG_FRAGMENTER 12 @@ -819,11 +819,6 @@ static inline void msg_set_remote_node(struct tipc_msg *m, u32 a) msg_set_word(m, msg_hdr_sz(m)/4, a); } -static inline void msg_set_dataoctet(struct tipc_msg *m, u32 pos) -{ - msg_data(m)[pos + 4] = 1; -} - /* * Segmentation message types */ @@ -850,7 +845,7 @@ static inline void msg_set_dataoctet(struct tipc_msg *m, u32 pos) * Routing table message types */ #define EXT_ROUTING_TABLE 0 -#define LOCAL_ROUTING_TABLE 1 +#define LOCAL_ROUTING_TABLE 1 /* obsoleted */ #define SLAVE_ROUTING_TABLE 2 #define ROUTE_ADDITION 3 #define ROUTE_REMOVAL 4 @@ -868,7 +863,7 @@ void tipc_msg_init(struct tipc_msg *m, u32 user, u32 type, int tipc_msg_calc_data_size(struct iovec const *msg_sect, u32 num_sect); int tipc_msg_build(struct tipc_msg *hdr, struct iovec const *msg_sect, u32 num_sect, - int max_size, int usrmem, struct sk_buff** buf); + int max_size, int usrmem, struct sk_buff **buf); static inline void msg_set_media_addr(struct tipc_msg *m, struct tipc_media_addr *a) { @@ -877,7 +872,7 @@ static inline void msg_set_media_addr(struct tipc_msg *m, struct tipc_media_addr static inline void msg_get_media_addr(struct tipc_msg *m, struct tipc_media_addr *a) { - memcpy(a, &((int*)m)[5], sizeof(*a)); + memcpy(a, &((int *)m)[5], sizeof(*a)); } #endif diff --git a/net/tipc/name_distr.c b/net/tipc/name_distr.c index 10ff48be3c01..483c226c9581 100644 --- a/net/tipc/name_distr.c +++ b/net/tipc/name_distr.c @@ -35,7 +35,6 @@ */ #include "core.h" -#include "cluster.h" #include "link.h" #include "name_distr.h" @@ -74,7 +73,7 @@ struct distr_item { */ static LIST_HEAD(publ_root); -static u32 publ_cnt = 0; +static u32 publ_cnt; /** * publ_to_item - add publication info to a publication message @@ -87,7 +86,6 @@ static void publ_to_item(struct distr_item *i, struct publication *p) i->upper = htonl(p->upper); i->ref = htonl(p->ref); i->key = htonl(p->key); - dbg("publ_to_item: %u, %u, %u\n", p->type, p->lower, p->upper); } /** @@ -107,6 +105,26 @@ static struct sk_buff *named_prepare_buf(u32 type, u32 size, u32 dest) return buf; } +static void named_cluster_distribute(struct sk_buff *buf) +{ + struct sk_buff *buf_copy; + struct tipc_node *n_ptr; + u32 n_num; + + for (n_num = 1; n_num <= tipc_net.highest_node; n_num++) { + n_ptr = tipc_net.nodes[n_num]; + if (n_ptr && tipc_node_has_active_links(n_ptr)) { + buf_copy = skb_copy(buf, GFP_ATOMIC); + if (!buf_copy) + break; + msg_set_destnode(buf_msg(buf_copy), n_ptr->addr); + tipc_link_send(buf_copy, n_ptr->addr, n_ptr->addr); + } + } + + buf_discard(buf); +} + /** * tipc_named_publish - tell other nodes about a new publication by this node */ @@ -127,8 +145,7 @@ void tipc_named_publish(struct publication *publ) item = (struct distr_item *)msg_data(buf_msg(buf)); publ_to_item(item, publ); - dbg("tipc_named_withdraw: broadcasting publish msg\n"); - tipc_cltr_broadcast(buf); + named_cluster_distribute(buf); } /** @@ -151,8 +168,7 @@ void tipc_named_withdraw(struct publication *publ) item = (struct distr_item *)msg_data(buf_msg(buf)); publ_to_item(item, publ); - dbg("tipc_named_withdraw: broadcasting withdraw msg\n"); - tipc_cltr_broadcast(buf); + named_cluster_distribute(buf); } /** @@ -189,9 +205,6 @@ void tipc_named_node_up(unsigned long node) left -= ITEM_SIZE; if (!left) { msg_set_link_selector(buf_msg(buf), node); - dbg("tipc_named_node_up: sending publish msg to " - "<%u.%u.%u>\n", tipc_zone(node), - tipc_cluster(node), tipc_node(node)); tipc_link_send(buf, node, node); buf = NULL; } @@ -216,8 +229,6 @@ static void node_is_down(struct publication *publ) struct publication *p; write_lock_bh(&tipc_nametbl_lock); - dbg("node_is_down: withdrawing %u, %u, %u\n", - publ->type, publ->lower, publ->upper); publ->key += 1222345; p = tipc_nametbl_remove_publ(publ->type, publ->lower, publ->node, publ->ref, publ->key); @@ -229,9 +240,7 @@ static void node_is_down(struct publication *publ) publ->type, publ->lower, publ->node, publ->ref, publ->key); } - if (p) { - kfree(p); - } + kfree(p); } /** @@ -248,9 +257,6 @@ void tipc_named_recv(struct sk_buff *buf) write_lock_bh(&tipc_nametbl_lock); while (count--) { if (msg_type(msg) == PUBLICATION) { - dbg("tipc_named_recv: got publication for %u, %u, %u\n", - ntohl(item->type), ntohl(item->lower), - ntohl(item->upper)); publ = tipc_nametbl_insert_publ(ntohl(item->type), ntohl(item->lower), ntohl(item->upper), @@ -265,9 +271,6 @@ void tipc_named_recv(struct sk_buff *buf) (net_ev_handler)node_is_down); } } else if (msg_type(msg) == WITHDRAWAL) { - dbg("tipc_named_recv: got withdrawl for %u, %u, %u\n", - ntohl(item->type), ntohl(item->lower), - ntohl(item->upper)); publ = tipc_nametbl_remove_publ(ntohl(item->type), ntohl(item->lower), msg_orignode(msg), diff --git a/net/tipc/name_table.c b/net/tipc/name_table.c index d5adb0456746..205ed4a4e186 100644 --- a/net/tipc/name_table.c +++ b/net/tipc/name_table.c @@ -104,7 +104,7 @@ struct name_table { u32 local_publ_count; }; -static struct name_table table = { NULL } ; +static struct name_table table; static atomic_t rsv_publ_ok = ATOMIC_INIT(0); DEFINE_RWLOCK(tipc_nametbl_lock); @@ -172,8 +172,6 @@ static struct name_seq *tipc_nameseq_create(u32 type, struct hlist_head *seq_hea spin_lock_init(&nseq->lock); nseq->type = type; nseq->sseqs = sseq; - dbg("tipc_nameseq_create(): nseq = %p, type %u, ssseqs %p, ff: %u\n", - nseq, type, nseq->sseqs, nseq->first_free); nseq->alloc = 1; INIT_HLIST_NODE(&nseq->ns_list); INIT_LIST_HEAD(&nseq->subscriptions); @@ -251,8 +249,6 @@ static struct publication *tipc_nameseq_insert_publ(struct name_seq *nseq, int created_subseq = 0; sseq = nameseq_find_subseq(nseq, lower); - dbg("nameseq_ins: for seq %p, {%u,%u}, found sseq %p\n", - nseq, type, lower, sseq); if (sseq) { /* Lower end overlaps existing entry => need an exact match */ @@ -289,38 +285,30 @@ static struct publication *tipc_nameseq_insert_publ(struct name_seq *nseq, type, lower, upper); return NULL; } - dbg("Allocated %u more sseqs\n", nseq->alloc); memcpy(sseqs, nseq->sseqs, nseq->alloc * sizeof(struct sub_seq)); kfree(nseq->sseqs); nseq->sseqs = sseqs; nseq->alloc *= 2; } - dbg("Have %u sseqs for type %u\n", nseq->alloc, type); /* Insert new sub-sequence */ - dbg("ins in pos %u, ff = %u\n", inspos, nseq->first_free); sseq = &nseq->sseqs[inspos]; freesseq = &nseq->sseqs[nseq->first_free]; - memmove(sseq + 1, sseq, (freesseq - sseq) * sizeof (*sseq)); - memset(sseq, 0, sizeof (*sseq)); + memmove(sseq + 1, sseq, (freesseq - sseq) * sizeof(*sseq)); + memset(sseq, 0, sizeof(*sseq)); nseq->first_free++; sseq->lower = lower; sseq->upper = upper; created_subseq = 1; } - dbg("inserting {%u,%u,%u} from <0x%x:%u> into sseq %p(%u,%u) of seq %p\n", - type, lower, upper, node, port, sseq, - sseq->lower, sseq->upper, nseq); /* Insert a publication: */ publ = publ_create(type, lower, upper, scope, node, port, key); if (!publ) return NULL; - dbg("inserting publ %p, node=0x%x publ->node=0x%x, subscr->node=%p\n", - publ, node, publ->node, publ->subscr.node); sseq->zone_list_size++; if (!sseq->zone_list) @@ -355,7 +343,6 @@ static struct publication *tipc_nameseq_insert_publ(struct name_seq *nseq, * Any subscriptions waiting for notification? */ list_for_each_entry_safe(s, st, &nseq->subscriptions, nameseq_list) { - dbg("calling report_overlap()\n"); tipc_subscr_report_overlap(s, publ->lower, publ->upper, @@ -393,9 +380,6 @@ static struct publication *tipc_nameseq_remove_publ(struct name_seq *nseq, u32 i if (!sseq) return NULL; - dbg("tipc_nameseq_remove_publ: seq: %p, sseq %p, {%u,%u}, key %u\n", - nseq, sseq, nseq->type, inst, key); - /* Remove publication from zone scope list */ prev = sseq->zone_list; @@ -487,7 +471,7 @@ end_node: if (!sseq->zone_list) { free = &nseq->sseqs[nseq->first_free--]; - memmove(sseq, sseq + 1, (free - (sseq + 1)) * sizeof (*sseq)); + memmove(sseq, sseq + 1, (free - (sseq + 1)) * sizeof(*sseq)); removed_subseq = 1; } @@ -523,7 +507,7 @@ static void tipc_nameseq_subscribe(struct name_seq *nseq, struct subscription *s while (sseq != &nseq->sseqs[nseq->first_free]) { struct publication *zl = sseq->zone_list; - if (zl && tipc_subscr_overlap(s,sseq->lower,sseq->upper)) { + if (zl && tipc_subscr_overlap(s, sseq->lower, sseq->upper)) { struct publication *crs = zl; int must_report = 1; @@ -549,15 +533,10 @@ static struct name_seq *nametbl_find_seq(u32 type) struct hlist_node *seq_node; struct name_seq *ns; - dbg("find_seq %u,(%u,0x%x) table = %p, hash[type] = %u\n", - type, htonl(type), type, table.types, hash(type)); - seq_head = &table.types[hash(type)]; hlist_for_each_entry(ns, seq_node, seq_head, ns_list) { - if (ns->type == type) { - dbg("found %p\n", ns); + if (ns->type == type) return ns; - } } return NULL; @@ -568,18 +547,14 @@ struct publication *tipc_nametbl_insert_publ(u32 type, u32 lower, u32 upper, { struct name_seq *seq = nametbl_find_seq(type); - dbg("tipc_nametbl_insert_publ: {%u,%u,%u} found %p\n", type, lower, upper, seq); if (lower > upper) { warn("Failed to publish illegal {%u,%u,%u}\n", type, lower, upper); return NULL; } - dbg("Publishing {%u,%u,%u} from 0x%x\n", type, lower, upper, node); - if (!seq) { + if (!seq) seq = tipc_nameseq_create(type, &table.types[hash(type)]); - dbg("tipc_nametbl_insert_publ: created %p\n", seq); - } if (!seq) return NULL; @@ -596,7 +571,6 @@ struct publication *tipc_nametbl_remove_publ(u32 type, u32 lower, if (!seq) return NULL; - dbg("Withdrawing {%u,%u} from 0x%x\n", type, lower, node); publ = tipc_nameseq_remove_publ(seq, lower, node, ref, key); if (!seq->first_free && list_empty(&seq->subscriptions)) { @@ -777,9 +751,8 @@ struct publication *tipc_nametbl_publish(u32 type, u32 lower, u32 upper, table.local_publ_count++; publ = tipc_nametbl_insert_publ(type, lower, upper, scope, tipc_own_addr, port_ref, key); - if (publ && (scope != TIPC_NODE_SCOPE)) { + if (publ && (scope != TIPC_NODE_SCOPE)) tipc_named_publish(publ); - } write_unlock_bh(&tipc_nametbl_lock); return publ; } @@ -792,7 +765,6 @@ int tipc_nametbl_withdraw(u32 type, u32 lower, u32 ref, u32 key) { struct publication *publ; - dbg("tipc_nametbl_withdraw: {%u,%u}, key=%u\n", type, lower, key); write_lock_bh(&tipc_nametbl_lock); publ = tipc_nametbl_remove_publ(type, lower, tipc_own_addr, ref, key); if (likely(publ)) { @@ -822,13 +794,10 @@ void tipc_nametbl_subscribe(struct subscription *s) write_lock_bh(&tipc_nametbl_lock); seq = nametbl_find_seq(type); - if (!seq) { + if (!seq) seq = tipc_nameseq_create(type, &table.types[hash(type)]); - } - if (seq){ + if (seq) { spin_lock_bh(&seq->lock); - dbg("tipc_nametbl_subscribe:found %p for {%u,%u,%u}\n", - seq, type, s->seq.lower, s->seq.upper); tipc_nameseq_subscribe(seq, s); spin_unlock_bh(&seq->lock); } else { @@ -848,7 +817,7 @@ void tipc_nametbl_unsubscribe(struct subscription *s) write_lock_bh(&tipc_nametbl_lock); seq = nametbl_find_seq(s->seq.type); - if (seq != NULL){ + if (seq != NULL) { spin_lock_bh(&seq->lock); list_del_init(&s->nameseq_list); spin_unlock_bh(&seq->lock); @@ -881,7 +850,7 @@ static void subseq_list(struct sub_seq *sseq, struct print_buf *buf, u32 depth, } do { - sprintf (portIdStr, "<%u.%u.%u:%u>", + sprintf(portIdStr, "<%u.%u.%u:%u>", tipc_zone(publ->node), tipc_cluster(publ->node), tipc_node(publ->node), publ->ref); tipc_printf(buf, "%-26s ", portIdStr); diff --git a/net/tipc/name_table.h b/net/tipc/name_table.h index 139882d4ed00..d228bd682655 100644 --- a/net/tipc/name_table.h +++ b/net/tipc/name_table.h @@ -46,7 +46,7 @@ struct port_list; * TIPC name types reserved for internal TIPC use (both current and planned) */ -#define TIPC_ZM_SRV 3 /* zone master service name type */ +#define TIPC_ZM_SRV 3 /* zone master service name type */ /** diff --git a/net/tipc/net.c b/net/tipc/net.c index c2b4b86c2e6a..9bacfd00b91e 100644 --- a/net/tipc/net.c +++ b/net/tipc/net.c @@ -36,11 +36,8 @@ #include "core.h" #include "net.h" -#include "zone.h" -#include "name_table.h" #include "name_distr.h" #include "subscr.h" -#include "link.h" #include "port.h" #include "config.h" @@ -111,46 +108,25 @@ */ DEFINE_RWLOCK(tipc_net_lock); -static struct _zone *tipc_zones[256] = { NULL, }; -struct network tipc_net = { tipc_zones }; +struct network tipc_net; -struct tipc_node *tipc_net_select_remote_node(u32 addr, u32 ref) +static int net_start(void) { - return tipc_zone_select_remote_node(tipc_net.zones[tipc_zone(addr)], addr, ref); -} - -u32 tipc_net_select_router(u32 addr, u32 ref) -{ - return tipc_zone_select_router(tipc_net.zones[tipc_zone(addr)], addr, ref); -} - -void tipc_net_remove_as_router(u32 router) -{ - u32 z_num; - - for (z_num = 1; z_num <= tipc_max_zones; z_num++) { - if (!tipc_net.zones[z_num]) - continue; - tipc_zone_remove_as_router(tipc_net.zones[z_num], router); - } -} - -void tipc_net_send_external_routes(u32 dest) -{ - u32 z_num; + tipc_net.nodes = kcalloc(tipc_max_nodes + 1, + sizeof(*tipc_net.nodes), GFP_ATOMIC); + tipc_net.highest_node = 0; - for (z_num = 1; z_num <= tipc_max_zones; z_num++) { - if (tipc_net.zones[z_num]) - tipc_zone_send_external_routes(tipc_net.zones[z_num], dest); - } + return tipc_net.nodes ? 0 : -ENOMEM; } static void net_stop(void) { - u32 z_num; + u32 n_num; - for (z_num = 1; z_num <= tipc_max_zones; z_num++) - tipc_zone_delete(tipc_net.zones[z_num]); + for (n_num = 1; n_num <= tipc_net.highest_node; n_num++) + tipc_node_delete(tipc_net.nodes[n_num]); + kfree(tipc_net.nodes); + tipc_net.nodes = NULL; } static void net_route_named_msg(struct sk_buff *buf) @@ -160,22 +136,18 @@ static void net_route_named_msg(struct sk_buff *buf) u32 dport; if (!msg_named(msg)) { - msg_dbg(msg, "tipc_net->drop_nam:"); buf_discard(buf); return; } dnode = addr_domain(msg_lookup_scope(msg)); dport = tipc_nametbl_translate(msg_nametype(msg), msg_nameinst(msg), &dnode); - dbg("tipc_net->lookup<%u,%u>-><%u,%x>\n", - msg_nametype(msg), msg_nameinst(msg), dport, dnode); if (dport) { msg_set_destnode(msg, dnode); msg_set_destport(msg, dport); tipc_net_route_msg(buf); return; } - msg_dbg(msg, "tipc_net->rej:NO NAME: "); tipc_reject_msg(buf, TIPC_ERR_NO_NAME); } @@ -191,18 +163,14 @@ void tipc_net_route_msg(struct sk_buff *buf) msg_incr_reroute_cnt(msg); if (msg_reroute_cnt(msg) > 6) { if (msg_errcode(msg)) { - msg_dbg(msg, "NET>DISC>:"); buf_discard(buf); } else { - msg_dbg(msg, "NET>REJ>:"); tipc_reject_msg(buf, msg_destport(msg) ? TIPC_ERR_NO_PORT : TIPC_ERR_NO_NAME); } return; } - msg_dbg(msg, "tipc_net->rout: "); - /* Handle message for this node */ dnode = msg_short(msg) ? tipc_own_addr : msg_destnode(msg); if (tipc_in_scope(dnode, tipc_own_addr)) { @@ -216,9 +184,6 @@ void tipc_net_route_msg(struct sk_buff *buf) return; } switch (msg_user(msg)) { - case ROUTE_DISTRIBUTOR: - tipc_cltr_recv_routing_table(buf); - break; case NAME_DISTRIBUTOR: tipc_named_recv(buf); break; @@ -226,14 +191,12 @@ void tipc_net_route_msg(struct sk_buff *buf) tipc_port_recv_proto_msg(buf); break; default: - msg_dbg(msg,"DROP/NET/<REC<"); buf_discard(buf); } return; } /* Handle message for another node */ - msg_dbg(msg, "NET>SEND>: "); skb_trim(buf, msg_size(msg)); tipc_link_send(buf, dnode, msg_link_selector(msg)); } @@ -254,10 +217,12 @@ int tipc_net_start(u32 addr) tipc_named_reinit(); tipc_port_reinit(); - if ((res = tipc_cltr_init()) || - (res = tipc_bclink_init())) { + res = net_start(); + if (res) + return res; + res = tipc_bclink_init(); + if (res) return res; - } tipc_k_signal((Handler)tipc_subscr_start, 0); tipc_k_signal((Handler)tipc_cfg_init, 0); diff --git a/net/tipc/net.h b/net/tipc/net.h index de2b9ad8f646..4ae59ad04893 100644 --- a/net/tipc/net.h +++ b/net/tipc/net.h @@ -37,26 +37,26 @@ #ifndef _TIPC_NET_H #define _TIPC_NET_H -struct _zone; +struct tipc_node; /** * struct network - TIPC network structure - * @zones: array of pointers to all zones within network + * @nodes: array of pointers to all nodes within cluster + * @highest_node: id of highest numbered node within cluster + * @links: number of (unicast) links to cluster */ struct network { - struct _zone **zones; + struct tipc_node **nodes; + u32 highest_node; + u32 links; }; extern struct network tipc_net; extern rwlock_t tipc_net_lock; -void tipc_net_remove_as_router(u32 router); -void tipc_net_send_external_routes(u32 dest); void tipc_net_route_msg(struct sk_buff *buf); -struct tipc_node *tipc_net_select_remote_node(u32 addr, u32 ref); -u32 tipc_net_select_router(u32 addr, u32 ref); int tipc_net_start(u32 addr); void tipc_net_stop(void); diff --git a/net/tipc/node.c b/net/tipc/node.c index df71dfc3a9ae..3af53e327f49 100644 --- a/net/tipc/node.c +++ b/net/tipc/node.c @@ -37,18 +37,14 @@ #include "core.h" #include "config.h" #include "node.h" -#include "port.h" #include "name_distr.h" static void node_lost_contact(struct tipc_node *n_ptr); static void node_established_contact(struct tipc_node *n_ptr); -/* sorted list of nodes within cluster */ -static struct tipc_node *tipc_nodes = NULL; - static DEFINE_SPINLOCK(node_create_lock); -u32 tipc_own_tag = 0; +u32 tipc_own_tag; /** * tipc_node_create - create neighboring node @@ -62,65 +58,51 @@ u32 tipc_own_tag = 0; struct tipc_node *tipc_node_create(u32 addr) { - struct cluster *c_ptr; struct tipc_node *n_ptr; - struct tipc_node **curr_node; + u32 n_num; spin_lock_bh(&node_create_lock); - for (n_ptr = tipc_nodes; n_ptr; n_ptr = n_ptr->next) { - if (addr < n_ptr->addr) - break; - if (addr == n_ptr->addr) { - spin_unlock_bh(&node_create_lock); - return n_ptr; - } + n_ptr = tipc_node_find(addr); + if (n_ptr) { + spin_unlock_bh(&node_create_lock); + return n_ptr; } - n_ptr = kzalloc(sizeof(*n_ptr),GFP_ATOMIC); + n_ptr = kzalloc(sizeof(*n_ptr), GFP_ATOMIC); if (!n_ptr) { spin_unlock_bh(&node_create_lock); warn("Node creation failed, no memory\n"); return NULL; } - c_ptr = tipc_cltr_find(addr); - if (!c_ptr) { - c_ptr = tipc_cltr_create(addr); - } - if (!c_ptr) { - spin_unlock_bh(&node_create_lock); - kfree(n_ptr); - return NULL; - } - n_ptr->addr = addr; - spin_lock_init(&n_ptr->lock); + spin_lock_init(&n_ptr->lock); INIT_LIST_HEAD(&n_ptr->nsub); - n_ptr->owner = c_ptr; - tipc_cltr_attach_node(c_ptr, n_ptr); - n_ptr->last_router = -1; - - /* Insert node into ordered list */ - for (curr_node = &tipc_nodes; *curr_node; - curr_node = &(*curr_node)->next) { - if (addr < (*curr_node)->addr) { - n_ptr->next = *curr_node; - break; - } - } - (*curr_node) = n_ptr; + + n_num = tipc_node(addr); + tipc_net.nodes[n_num] = n_ptr; + if (n_num > tipc_net.highest_node) + tipc_net.highest_node = n_num; + spin_unlock_bh(&node_create_lock); return n_ptr; } void tipc_node_delete(struct tipc_node *n_ptr) { + u32 n_num; + if (!n_ptr) return; - dbg("node %x deleted\n", n_ptr->addr); + n_num = tipc_node(n_ptr->addr); + tipc_net.nodes[n_num] = NULL; kfree(n_ptr); + + while (!tipc_net.nodes[tipc_net.highest_node]) + if (--tipc_net.highest_node == 0) + break; } @@ -140,7 +122,6 @@ void tipc_node_link_up(struct tipc_node *n_ptr, struct link *l_ptr) l_ptr->name, l_ptr->b_ptr->net_plane); if (!active[0]) { - dbg(" link %x into %x/%x\n", l_ptr, &active[0], &active[1]); active[0] = active[1] = l_ptr; node_established_contact(n_ptr); return; @@ -229,14 +210,9 @@ int tipc_node_has_redundant_links(struct tipc_node *n_ptr) return n_ptr->working_links > 1; } -static int tipc_node_has_active_routes(struct tipc_node *n_ptr) -{ - return n_ptr && (n_ptr->last_router >= 0); -} - int tipc_node_is_up(struct tipc_node *n_ptr) { - return tipc_node_has_active_links(n_ptr) || tipc_node_has_active_routes(n_ptr); + return tipc_node_has_active_links(n_ptr); } struct tipc_node *tipc_node_attach_link(struct link *l_ptr) @@ -257,7 +233,7 @@ struct tipc_node *tipc_node_attach_link(struct link *l_ptr) if (!n_ptr->links[bearer_id]) { n_ptr->links[bearer_id] = l_ptr; - tipc_net.zones[tipc_zone(l_ptr->addr)]->links++; + tipc_net.links++; n_ptr->link_cnt++; return n_ptr; } @@ -271,7 +247,7 @@ struct tipc_node *tipc_node_attach_link(struct link *l_ptr) void tipc_node_detach_link(struct tipc_node *n_ptr, struct link *l_ptr) { n_ptr->links[l_ptr->b_ptr->identity] = NULL; - tipc_net.zones[tipc_zone(l_ptr->addr)]->links--; + tipc_net.links--; n_ptr->link_cnt--; } @@ -323,48 +299,16 @@ void tipc_node_detach_link(struct tipc_node *n_ptr, struct link *l_ptr) static void node_established_contact(struct tipc_node *n_ptr) { - struct cluster *c_ptr; - - dbg("node_established_contact:-> %x\n", n_ptr->addr); - if (!tipc_node_has_active_routes(n_ptr) && in_own_cluster(n_ptr->addr)) { - tipc_k_signal((Handler)tipc_named_node_up, n_ptr->addr); - } + tipc_k_signal((Handler)tipc_named_node_up, n_ptr->addr); /* Syncronize broadcast acks */ n_ptr->bclink.acked = tipc_bclink_get_last_sent(); - if (is_slave(tipc_own_addr)) - return; - if (!in_own_cluster(n_ptr->addr)) { - /* Usage case 1 (see above) */ - c_ptr = tipc_cltr_find(tipc_own_addr); - if (!c_ptr) - c_ptr = tipc_cltr_create(tipc_own_addr); - if (c_ptr) - tipc_cltr_bcast_new_route(c_ptr, n_ptr->addr, 1, - tipc_max_nodes); - return; - } - - c_ptr = n_ptr->owner; - if (is_slave(n_ptr->addr)) { - /* Usage case 2 (see above) */ - tipc_cltr_bcast_new_route(c_ptr, n_ptr->addr, 1, tipc_max_nodes); - tipc_cltr_send_local_routes(c_ptr, n_ptr->addr); - return; - } - if (n_ptr->bclink.supported) { - tipc_nmap_add(&tipc_cltr_bcast_nodes, n_ptr->addr); + tipc_nmap_add(&tipc_bcast_nmap, n_ptr->addr); if (n_ptr->addr < tipc_own_addr) tipc_own_tag++; } - - /* Case 3 (see above) */ - tipc_net_send_external_routes(n_ptr->addr); - tipc_cltr_send_slave_routes(c_ptr, n_ptr->addr); - tipc_cltr_bcast_new_route(c_ptr, n_ptr->addr, LOWEST_SLAVE, - tipc_highest_allowed_slave); } static void node_cleanup_finished(unsigned long node_addr) @@ -383,7 +327,6 @@ static void node_cleanup_finished(unsigned long node_addr) static void node_lost_contact(struct tipc_node *n_ptr) { - struct cluster *c_ptr; struct tipc_node_subscr *ns, *tns; char addr_string[16]; u32 i; @@ -391,7 +334,7 @@ static void node_lost_contact(struct tipc_node *n_ptr) /* Clean up broadcast reception remains */ n_ptr->bclink.gap_after = n_ptr->bclink.gap_to = 0; while (n_ptr->bclink.deferred_head) { - struct sk_buff* buf = n_ptr->bclink.deferred_head; + struct sk_buff *buf = n_ptr->bclink.deferred_head; n_ptr->bclink.deferred_head = buf->next; buf_discard(buf); } @@ -399,41 +342,14 @@ static void node_lost_contact(struct tipc_node *n_ptr) buf_discard(n_ptr->bclink.defragm); n_ptr->bclink.defragm = NULL; } - if (in_own_cluster(n_ptr->addr) && n_ptr->bclink.supported) { - tipc_bclink_acknowledge(n_ptr, mod(n_ptr->bclink.acked + 10000)); - } - /* Update routing tables */ - if (is_slave(tipc_own_addr)) { - tipc_net_remove_as_router(n_ptr->addr); - } else { - if (!in_own_cluster(n_ptr->addr)) { - /* Case 4 (see above) */ - c_ptr = tipc_cltr_find(tipc_own_addr); - tipc_cltr_bcast_lost_route(c_ptr, n_ptr->addr, 1, - tipc_max_nodes); - } else { - /* Case 5 (see above) */ - c_ptr = tipc_cltr_find(n_ptr->addr); - if (is_slave(n_ptr->addr)) { - tipc_cltr_bcast_lost_route(c_ptr, n_ptr->addr, 1, - tipc_max_nodes); - } else { - if (n_ptr->bclink.supported) { - tipc_nmap_remove(&tipc_cltr_bcast_nodes, - n_ptr->addr); - if (n_ptr->addr < tipc_own_addr) - tipc_own_tag--; - } - tipc_net_remove_as_router(n_ptr->addr); - tipc_cltr_bcast_lost_route(c_ptr, n_ptr->addr, - LOWEST_SLAVE, - tipc_highest_allowed_slave); - } - } + if (n_ptr->bclink.supported) { + tipc_bclink_acknowledge(n_ptr, + mod(n_ptr->bclink.acked + 10000)); + tipc_nmap_remove(&tipc_bcast_nmap, n_ptr->addr); + if (n_ptr->addr < tipc_own_addr) + tipc_own_tag--; } - if (tipc_node_has_active_routes(n_ptr)) - return; info("Lost contact with %s\n", tipc_addr_string_fill(addr_string, n_ptr->addr)); @@ -462,125 +378,6 @@ static void node_lost_contact(struct tipc_node *n_ptr) tipc_k_signal((Handler)node_cleanup_finished, n_ptr->addr); } -/** - * tipc_node_select_next_hop - find the next-hop node for a message - * - * Called by when cluster local lookup has failed. - */ - -struct tipc_node *tipc_node_select_next_hop(u32 addr, u32 selector) -{ - struct tipc_node *n_ptr; - u32 router_addr; - - if (!tipc_addr_domain_valid(addr)) - return NULL; - - /* Look for direct link to destination processsor */ - n_ptr = tipc_node_find(addr); - if (n_ptr && tipc_node_has_active_links(n_ptr)) - return n_ptr; - - /* Cluster local system nodes *must* have direct links */ - if (!is_slave(addr) && in_own_cluster(addr)) - return NULL; - - /* Look for cluster local router with direct link to node */ - router_addr = tipc_node_select_router(n_ptr, selector); - if (router_addr) - return tipc_node_select(router_addr, selector); - - /* Slave nodes can only be accessed within own cluster via a - known router with direct link -- if no router was found,give up */ - if (is_slave(addr)) - return NULL; - - /* Inter zone/cluster -- find any direct link to remote cluster */ - addr = tipc_addr(tipc_zone(addr), tipc_cluster(addr), 0); - n_ptr = tipc_net_select_remote_node(addr, selector); - if (n_ptr && tipc_node_has_active_links(n_ptr)) - return n_ptr; - - /* Last resort -- look for any router to anywhere in remote zone */ - router_addr = tipc_net_select_router(addr, selector); - if (router_addr) - return tipc_node_select(router_addr, selector); - - return NULL; -} - -/** - * tipc_node_select_router - select router to reach specified node - * - * Uses a deterministic and fair algorithm for selecting router node. - */ - -u32 tipc_node_select_router(struct tipc_node *n_ptr, u32 ref) -{ - u32 ulim; - u32 mask; - u32 start; - u32 r; - - if (!n_ptr) - return 0; - - if (n_ptr->last_router < 0) - return 0; - ulim = ((n_ptr->last_router + 1) * 32) - 1; - - /* Start entry must be random */ - mask = tipc_max_nodes; - while (mask > ulim) - mask >>= 1; - start = ref & mask; - r = start; - - /* Lookup upwards with wrap-around */ - do { - if (((n_ptr->routers[r / 32]) >> (r % 32)) & 1) - break; - } while (++r <= ulim); - if (r > ulim) { - r = 1; - do { - if (((n_ptr->routers[r / 32]) >> (r % 32)) & 1) - break; - } while (++r < start); - assert(r != start); - } - assert(r && (r <= ulim)); - return tipc_addr(own_zone(), own_cluster(), r); -} - -void tipc_node_add_router(struct tipc_node *n_ptr, u32 router) -{ - u32 r_num = tipc_node(router); - - n_ptr->routers[r_num / 32] = - ((1 << (r_num % 32)) | n_ptr->routers[r_num / 32]); - n_ptr->last_router = tipc_max_nodes / 32; - while ((--n_ptr->last_router >= 0) && - !n_ptr->routers[n_ptr->last_router]); -} - -void tipc_node_remove_router(struct tipc_node *n_ptr, u32 router) -{ - u32 r_num = tipc_node(router); - - if (n_ptr->last_router < 0) - return; /* No routes */ - - n_ptr->routers[r_num / 32] = - ((~(1 << (r_num % 32))) & (n_ptr->routers[r_num / 32])); - n_ptr->last_router = tipc_max_nodes / 32; - while ((--n_ptr->last_router >= 0) && - !n_ptr->routers[n_ptr->last_router]); - - if (!tipc_node_is_up(n_ptr)) - node_lost_contact(n_ptr); -} - struct sk_buff *tipc_node_get_nodes(const void *req_tlv_area, int req_tlv_space) { u32 domain; @@ -588,6 +385,7 @@ struct sk_buff *tipc_node_get_nodes(const void *req_tlv_area, int req_tlv_space) struct tipc_node *n_ptr; struct tipc_node_info node_info; u32 payload_size; + u32 n_num; if (!TLV_CHECK(req_tlv_area, req_tlv_space, TIPC_TLV_NET_ADDR)) return tipc_cfg_reply_error_string(TIPC_CFG_TLV_ERROR); @@ -598,15 +396,15 @@ struct sk_buff *tipc_node_get_nodes(const void *req_tlv_area, int req_tlv_space) " (network address)"); read_lock_bh(&tipc_net_lock); - if (!tipc_nodes) { + if (!tipc_net.nodes) { read_unlock_bh(&tipc_net_lock); return tipc_cfg_reply_none(); } - /* For now, get space for all other nodes - (will need to modify this when slave nodes are supported */ + /* For now, get space for all other nodes */ - payload_size = TLV_SPACE(sizeof(node_info)) * (tipc_max_nodes - 1); + payload_size = TLV_SPACE(sizeof(node_info)) * + (tipc_net.highest_node - 1); if (payload_size > 32768u) { read_unlock_bh(&tipc_net_lock); return tipc_cfg_reply_error_string(TIPC_CFG_NOT_SUPPORTED @@ -620,8 +418,9 @@ struct sk_buff *tipc_node_get_nodes(const void *req_tlv_area, int req_tlv_space) /* Add TLVs for all nodes in scope */ - for (n_ptr = tipc_nodes; n_ptr; n_ptr = n_ptr->next) { - if (!tipc_in_scope(domain, n_ptr->addr)) + for (n_num = 1; n_num <= tipc_net.highest_node; n_num++) { + n_ptr = tipc_net.nodes[n_num]; + if (!n_ptr || !tipc_in_scope(domain, n_ptr->addr)) continue; node_info.addr = htonl(n_ptr->addr); node_info.up = htonl(tipc_node_is_up(n_ptr)); @@ -640,6 +439,7 @@ struct sk_buff *tipc_node_get_links(const void *req_tlv_area, int req_tlv_space) struct tipc_node *n_ptr; struct tipc_link_info link_info; u32 payload_size; + u32 n_num; if (!TLV_CHECK(req_tlv_area, req_tlv_space, TIPC_TLV_NET_ADDR)) return tipc_cfg_reply_error_string(TIPC_CFG_TLV_ERROR); @@ -656,8 +456,7 @@ struct sk_buff *tipc_node_get_links(const void *req_tlv_area, int req_tlv_space) /* Get space for all unicast links + multicast link */ - payload_size = TLV_SPACE(sizeof(link_info)) * - (tipc_net.zones[tipc_zone(tipc_own_addr)]->links + 1); + payload_size = TLV_SPACE(sizeof(link_info)) * (tipc_net.links + 1); if (payload_size > 32768u) { read_unlock_bh(&tipc_net_lock); return tipc_cfg_reply_error_string(TIPC_CFG_NOT_SUPPORTED @@ -678,10 +477,11 @@ struct sk_buff *tipc_node_get_links(const void *req_tlv_area, int req_tlv_space) /* Add TLVs for any other links in scope */ - for (n_ptr = tipc_nodes; n_ptr; n_ptr = n_ptr->next) { + for (n_num = 1; n_num <= tipc_net.highest_node; n_num++) { u32 i; - if (!tipc_in_scope(domain, n_ptr->addr)) + n_ptr = tipc_net.nodes[n_num]; + if (!n_ptr || !tipc_in_scope(domain, n_ptr->addr)) continue; tipc_node_lock(n_ptr); for (i = 0; i < MAX_BEARERS; i++) { diff --git a/net/tipc/node.h b/net/tipc/node.h index fff331b2d26c..206a8efa410e 100644 --- a/net/tipc/node.h +++ b/net/tipc/node.h @@ -39,14 +39,13 @@ #include "node_subscr.h" #include "addr.h" -#include "cluster.h" +#include "net.h" #include "bearer.h" /** * struct tipc_node - TIPC node structure * @addr: network address of node * @lock: spinlock governing access to structure - * @owner: pointer to cluster that node belongs to * @next: pointer to next node in sorted list of cluster's nodes * @nsub: list of "node down" subscriptions monitoring node * @active_links: pointers to active links to node @@ -55,8 +54,6 @@ * @cleanup_required: non-zero if cleaning up after a prior loss of contact * @link_cnt: number of links to node * @permit_changeover: non-zero if node has redundant links to this system - * @routers: bitmap (used for multicluster communication) - * @last_router: (used for multicluster communication) * @bclink: broadcast-related info * @supported: non-zero if node supports TIPC b'cast capability * @acked: sequence # of last outbound b'cast message acknowledged by node @@ -72,7 +69,6 @@ struct tipc_node { u32 addr; spinlock_t lock; - struct cluster *owner; struct tipc_node *next; struct list_head nsub; struct link *active_links[2]; @@ -81,8 +77,6 @@ struct tipc_node { int working_links; int cleanup_required; int permit_changeover; - u32 routers[512/32]; - int last_router; struct { int supported; u32 acked; @@ -106,34 +100,17 @@ void tipc_node_link_down(struct tipc_node *n_ptr, struct link *l_ptr); void tipc_node_link_up(struct tipc_node *n_ptr, struct link *l_ptr); int tipc_node_has_active_links(struct tipc_node *n_ptr); int tipc_node_has_redundant_links(struct tipc_node *n_ptr); -u32 tipc_node_select_router(struct tipc_node *n_ptr, u32 ref); -struct tipc_node *tipc_node_select_next_hop(u32 addr, u32 selector); int tipc_node_is_up(struct tipc_node *n_ptr); -void tipc_node_add_router(struct tipc_node *n_ptr, u32 router); -void tipc_node_remove_router(struct tipc_node *n_ptr, u32 router); struct sk_buff *tipc_node_get_links(const void *req_tlv_area, int req_tlv_space); struct sk_buff *tipc_node_get_nodes(const void *req_tlv_area, int req_tlv_space); static inline struct tipc_node *tipc_node_find(u32 addr) { if (likely(in_own_cluster(addr))) - return tipc_local_nodes[tipc_node(addr)]; - else if (tipc_addr_domain_valid(addr)) { - struct cluster *c_ptr = tipc_cltr_find(addr); - - if (c_ptr) - return c_ptr->nodes[tipc_node(addr)]; - } + return tipc_net.nodes[tipc_node(addr)]; return NULL; } -static inline struct tipc_node *tipc_node_select(u32 addr, u32 selector) -{ - if (likely(in_own_cluster(addr))) - return tipc_local_nodes[tipc_node(addr)]; - return tipc_node_select_next_hop(addr, selector); -} - static inline void tipc_node_lock(struct tipc_node *n_ptr) { spin_lock_bh(&n_ptr->lock); diff --git a/net/tipc/port.c b/net/tipc/port.c index 7873283f4965..067bab2a0b98 100644 --- a/net/tipc/port.c +++ b/net/tipc/port.c @@ -38,7 +38,6 @@ #include "config.h" #include "port.h" #include "name_table.h" -#include "user_reg.h" /* Connection management: */ #define PROBING_INTERVAL 3600000 /* [ms] => 1 h */ @@ -47,16 +46,16 @@ #define MAX_REJECT_SIZE 1024 -static struct sk_buff *msg_queue_head = NULL; -static struct sk_buff *msg_queue_tail = NULL; +static struct sk_buff *msg_queue_head; +static struct sk_buff *msg_queue_tail; DEFINE_SPINLOCK(tipc_port_list_lock); static DEFINE_SPINLOCK(queue_lock); static LIST_HEAD(ports); static void port_handle_node_down(unsigned long ref); -static struct sk_buff* port_build_self_abort_msg(struct port *,u32 err); -static struct sk_buff* port_build_peer_abort_msg(struct port *,u32 err); +static struct sk_buff *port_build_self_abort_msg(struct port *, u32 err); +static struct sk_buff *port_build_peer_abort_msg(struct port *, u32 err); static void port_timeout(unsigned long ref); @@ -132,9 +131,8 @@ int tipc_multicast(u32 ref, struct tipc_name_seq const *seq, } } res = tipc_bclink_send_msg(buf); - if ((res < 0) && (dports.count != 0)) { + if ((res < 0) && (dports.count != 0)) buf_discard(ibuf); - } } else { ibuf = buf; } @@ -156,7 +154,7 @@ int tipc_multicast(u32 ref, struct tipc_name_seq const *seq, void tipc_port_recv_mcast(struct sk_buff *buf, struct port_list *dp) { - struct tipc_msg* msg; + struct tipc_msg *msg; struct port_list dports = {0, NULL, }; struct port_list *item = dp; int cnt = 0; @@ -189,13 +187,11 @@ void tipc_port_recv_mcast(struct sk_buff *buf, struct port_list *dp) if (b == NULL) { warn("Unable to deliver multicast message(s)\n"); - msg_dbg(msg, "LOST:"); goto exit; } - if ((index == 0) && (cnt != 0)) { + if ((index == 0) && (cnt != 0)) item = item->next; - } - msg_set_destport(buf_msg(b),item->ports[index]); + msg_set_destport(buf_msg(b), item->ports[index]); tipc_port_recv_msg(b); } } @@ -271,10 +267,7 @@ int tipc_deleteport(u32 ref) buf = port_build_peer_abort_msg(p_ptr, TIPC_ERR_NO_PORT); tipc_nodesub_unsubscribe(&p_ptr->subscription); } - if (p_ptr->user_port) { - tipc_reg_remove_port(p_ptr->user_port); - kfree(p_ptr->user_port); - } + kfree(p_ptr->user_port); spin_lock_bh(&tipc_port_list_lock); list_del(&p_ptr->port_list); @@ -282,7 +275,6 @@ int tipc_deleteport(u32 ref) spin_unlock_bh(&tipc_port_list_lock); k_term_timer(&p_ptr->timer); kfree(p_ptr); - dbg("Deleted port %u\n", ref); tipc_net_route_msg(buf); return 0; } @@ -368,7 +360,6 @@ static struct sk_buff *port_build_proto_msg(u32 destport, u32 destnode, msg_set_orignode(msg, orignode); msg_set_transp_seqno(msg, seqno); msg_set_msgcnt(msg, ack); - msg_dbg(msg, "PORT>SEND>:"); } return buf; } @@ -386,7 +377,6 @@ int tipc_reject_msg(struct sk_buff *buf, u32 err) data_sz = MAX_REJECT_SIZE; if (msg_connected(msg) && (imp < TIPC_CRITICAL_IMPORTANCE)) imp++; - msg_dbg(msg, "port->rej: "); /* discard rejected message if it shouldn't be returned to sender */ if (msg_errcode(msg) || msg_dest_droppable(msg)) { @@ -492,7 +482,7 @@ static void port_timeout(unsigned long ref) static void port_handle_node_down(unsigned long ref) { struct port *p_ptr = tipc_port_lock(ref); - struct sk_buff* buf = NULL; + struct sk_buff *buf = NULL; if (!p_ptr) return; @@ -549,8 +539,6 @@ void tipc_port_recv_proto_msg(struct sk_buff *buf) struct sk_buff *r_buf = NULL; struct sk_buff *abort_buf = NULL; - msg_dbg(msg, "PORT<RECV<:"); - if (!p_ptr) { err = TIPC_ERR_NO_PORT; } else if (p_ptr->publ.connected) { @@ -630,8 +618,7 @@ static void port_print(struct port *p_ptr, struct print_buf *buf, int full_id) tipc_printf(buf, " via {%u,%u}", p_ptr->publ.conn_type, p_ptr->publ.conn_instance); - } - else if (p_ptr->publ.published) { + } else if (p_ptr->publ.published) { tipc_printf(buf, " bound to"); list_for_each_entry(publ, &p_ptr->publications, pport_list) { if (publ->lower == publ->upper) @@ -934,12 +921,10 @@ void tipc_acknowledge(u32 ref, u32 ack) } /* - * tipc_createport(): user level call. Will add port to - * registry if non-zero user_ref. + * tipc_createport(): user level call. */ -int tipc_createport(u32 user_ref, - void *usr_handle, +int tipc_createport(void *usr_handle, unsigned int importance, tipc_msg_err_event error_cb, tipc_named_msg_err_event named_error_cb, @@ -966,7 +951,6 @@ int tipc_createport(u32 user_ref, } p_ptr->user_port = up_ptr; - up_ptr->user_ref = user_ref; up_ptr->usr_handle = usr_handle; up_ptr->ref = p_ptr->publ.ref; up_ptr->err_cb = error_cb; @@ -976,8 +960,6 @@ int tipc_createport(u32 user_ref, up_ptr->named_msg_cb = named_msg_cb; up_ptr->conn_msg_cb = conn_msg_cb; up_ptr->continue_event_cb = continue_event_cb; - INIT_LIST_HEAD(&up_ptr->uport_list); - tipc_reg_add_port(up_ptr); *portref = p_ptr->publ.ref; tipc_port_unlock(p_ptr); return 0; @@ -1022,9 +1004,6 @@ int tipc_publish(u32 ref, unsigned int scope, struct tipc_name_seq const *seq) if (!p_ptr) return -EINVAL; - dbg("tipc_publ %u, p_ptr = %x, conn = %x, scope = %x, " - "lower = %u, upper = %u\n", - ref, p_ptr, p_ptr->publ.connected, scope, seq->lower, seq->upper); if (p_ptr->publ.connected) goto exit; if (seq->lower > seq->upper) @@ -1110,17 +1089,14 @@ int tipc_connect2port(u32 ref, struct tipc_portid const *peer) msg_set_origport(msg, p_ptr->publ.ref); msg_set_transp_seqno(msg, 42); msg_set_type(msg, TIPC_CONN_MSG); - if (!may_route(peer->node)) - msg_set_hdr_sz(msg, SHORT_H_SIZE); - else - msg_set_hdr_sz(msg, LONG_H_SIZE); + msg_set_hdr_sz(msg, SHORT_H_SIZE); p_ptr->probing_interval = PROBING_INTERVAL; p_ptr->probing_state = CONFIRMED; p_ptr->publ.connected = 1; k_start_timer(&p_ptr->timer, p_ptr->probing_interval); - tipc_nodesub_subscribe(&p_ptr->subscription,peer->node, + tipc_nodesub_subscribe(&p_ptr->subscription, peer->node, (void *)(unsigned long)ref, (net_ev_handler)port_handle_node_down); res = 0; @@ -1367,7 +1343,6 @@ int tipc_send_buf2port(u32 ref, struct tipc_portid const *dest, skb_push(buf, DIR_MSG_H_SIZE); skb_copy_to_linear_data(buf, msg, DIR_MSG_H_SIZE); - msg_dbg(msg, "buf2port: "); p_ptr->sent++; if (dest->node == tipc_own_addr) return tipc_port_recv_msg(buf); diff --git a/net/tipc/port.h b/net/tipc/port.h index 3a807fcec2be..8e84b989949c 100644 --- a/net/tipc/port.h +++ b/net/tipc/port.h @@ -77,15 +77,12 @@ typedef void (*tipc_continue_event) (void *usr_handle, u32 portref); /** * struct user_port - TIPC user port (used with native API) - * @user_ref: id of user who created user port * @usr_handle: user-specified field * @ref: object reference to associated TIPC port * <various callback routines> - * @uport_list: adjacent user ports in list of ports held by user */ struct user_port { - u32 user_ref; void *usr_handle; u32 ref; tipc_msg_err_event err_cb; @@ -95,7 +92,6 @@ struct user_port { tipc_named_msg_event named_msg_cb; tipc_conn_msg_event conn_msg_cb; tipc_continue_event continue_event_cb; - struct list_head uport_list; }; /** @@ -181,7 +177,7 @@ int tipc_send_buf_fast(struct sk_buff *buf, u32 destnode); void tipc_acknowledge(u32 port_ref, u32 ack); -int tipc_createport(unsigned int tipc_user, void *usr_handle, +int tipc_createport(void *usr_handle, unsigned int importance, tipc_msg_err_event error_cb, tipc_named_msg_err_event named_error_cb, tipc_conn_shutdown_event conn_error_cb, tipc_msg_event msg_cb, @@ -262,7 +258,7 @@ static inline void tipc_port_unlock(struct port *p_ptr) spin_unlock_bh(p_ptr->publ.lock); } -static inline struct port* tipc_port_deref(u32 ref) +static inline struct port *tipc_port_deref(u32 ref) { return (struct port *)tipc_ref_deref(ref); } @@ -320,7 +316,6 @@ static inline int tipc_port_recv_msg(struct sk_buff *buf) err = TIPC_ERR_NO_PORT; } reject: - dbg("port->rejecting, err = %x..\n",err); return tipc_reject_msg(buf, err); } diff --git a/net/tipc/ref.c b/net/tipc/ref.c index ab8ad32d8c20..83116892528b 100644 --- a/net/tipc/ref.c +++ b/net/tipc/ref.c @@ -89,7 +89,7 @@ struct ref_table { * have a reference value of 0 (although this is unlikely). */ -static struct ref_table tipc_ref_table = { NULL }; +static struct ref_table tipc_ref_table; static DEFINE_RWLOCK(ref_table_lock); @@ -178,14 +178,12 @@ u32 tipc_ref_acquire(void *object, spinlock_t **lock) next_plus_upper = entry->ref; tipc_ref_table.first_free = next_plus_upper & index_mask; ref = (next_plus_upper & ~index_mask) + index; - } - else if (tipc_ref_table.init_point < tipc_ref_table.capacity) { + } else if (tipc_ref_table.init_point < tipc_ref_table.capacity) { index = tipc_ref_table.init_point++; entry = &(tipc_ref_table.entries[index]); spin_lock_init(&entry->lock); ref = tipc_ref_table.start_mask + index; - } - else { + } else { ref = 0; } write_unlock_bh(&ref_table_lock); diff --git a/net/tipc/socket.c b/net/tipc/socket.c index cd0bb77f2673..2b02a3a80313 100644 --- a/net/tipc/socket.c +++ b/net/tipc/socket.c @@ -34,17 +34,6 @@ * POSSIBILITY OF SUCH DAMAGE. */ -#include <linux/module.h> -#include <linux/types.h> -#include <linux/net.h> -#include <linux/socket.h> -#include <linux/errno.h> -#include <linux/mm.h> -#include <linux/poll.h> -#include <linux/fcntl.h> -#include <linux/gfp.h> -#include <asm/string.h> -#include <asm/atomic.h> #include <net/sock.h> #include <linux/tipc.h> @@ -79,7 +68,7 @@ static const struct proto_ops msg_ops; static struct proto tipc_proto; -static int sockets_enabled = 0; +static int sockets_enabled; static atomic_t tipc_queue_size = ATOMIC_INIT(0); @@ -386,7 +375,7 @@ static int bind(struct socket *sock, struct sockaddr *uaddr, int uaddr_len) * * NOTE: This routine doesn't need to take the socket lock since it only * accesses socket information that is unchanging (or which changes in - * a completely predictable manner). + * a completely predictable manner). */ static int get_name(struct socket *sock, struct sockaddr *uaddr, @@ -574,26 +563,26 @@ static int send_msg(struct kiocb *iocb, struct socket *sock, do { if (dest->addrtype == TIPC_ADDR_NAME) { - if ((res = dest_name_check(dest, m))) + res = dest_name_check(dest, m); + if (res) break; res = tipc_send2name(tport->ref, &dest->addr.name.name, dest->addr.name.domain, m->msg_iovlen, m->msg_iov); - } - else if (dest->addrtype == TIPC_ADDR_ID) { + } else if (dest->addrtype == TIPC_ADDR_ID) { res = tipc_send2port(tport->ref, &dest->addr.id, m->msg_iovlen, m->msg_iov); - } - else if (dest->addrtype == TIPC_ADDR_MCAST) { + } else if (dest->addrtype == TIPC_ADDR_MCAST) { if (needs_conn) { res = -EOPNOTSUPP; break; } - if ((res = dest_name_check(dest, m))) + res = dest_name_check(dest, m); + if (res) break; res = tipc_multicast(tport->ref, &dest->addr.nameseq, @@ -601,9 +590,8 @@ static int send_msg(struct kiocb *iocb, struct socket *sock, m->msg_iov); } if (likely(res != -ELINKCONG)) { - if (needs_conn && (res >= 0)) { + if (needs_conn && (res >= 0)) sock->state = SS_CONNECTING; - } break; } if (m->msg_flags & MSG_DONTWAIT) { @@ -662,9 +650,8 @@ static int send_packet(struct kiocb *iocb, struct socket *sock, } res = tipc_send(tport->ref, m->msg_iovlen, m->msg_iov); - if (likely(res != -ELINKCONG)) { + if (likely(res != -ELINKCONG)) break; - } if (m->msg_flags & MSG_DONTWAIT) { res = -EWOULDBLOCK; break; @@ -763,7 +750,8 @@ static int send_stream(struct kiocb *iocb, struct socket *sock, bytes_to_send = curr_left; my_iov.iov_base = curr_start; my_iov.iov_len = bytes_to_send; - if ((res = send_packet(NULL, sock, &my_msg, 0)) < 0) { + res = send_packet(NULL, sock, &my_msg, 0); + if (res < 0) { if (bytes_sent) res = bytes_sent; goto exit; @@ -823,8 +811,8 @@ static void set_orig_addr(struct msghdr *m, struct tipc_msg *msg) addr->addrtype = TIPC_ADDR_ID; addr->addr.id.ref = msg_origport(msg); addr->addr.id.node = msg_orignode(msg); - addr->addr.name.domain = 0; /* could leave uninitialized */ - addr->scope = 0; /* could leave uninitialized */ + addr->addr.name.domain = 0; /* could leave uninitialized */ + addr->scope = 0; /* could leave uninitialized */ m->msg_namelen = sizeof(struct sockaddr_tipc); } } @@ -858,12 +846,15 @@ static int anc_data_recv(struct msghdr *m, struct tipc_msg *msg, if (unlikely(err)) { anc_data[0] = err; anc_data[1] = msg_data_sz(msg); - if ((res = put_cmsg(m, SOL_TIPC, TIPC_ERRINFO, 8, anc_data))) - return res; - if (anc_data[1] && - (res = put_cmsg(m, SOL_TIPC, TIPC_RETDATA, anc_data[1], - msg_data(msg)))) + res = put_cmsg(m, SOL_TIPC, TIPC_ERRINFO, 8, anc_data); + if (res) return res; + if (anc_data[1]) { + res = put_cmsg(m, SOL_TIPC, TIPC_RETDATA, anc_data[1], + msg_data(msg)); + if (res) + return res; + } } /* Optionally capture message destination object */ @@ -891,9 +882,11 @@ static int anc_data_recv(struct msghdr *m, struct tipc_msg *msg, default: has_name = 0; } - if (has_name && - (res = put_cmsg(m, SOL_TIPC, TIPC_DESTNAME, 12, anc_data))) - return res; + if (has_name) { + res = put_cmsg(m, SOL_TIPC, TIPC_DESTNAME, 12, anc_data); + if (res) + return res; + } return 0; } @@ -1226,42 +1219,25 @@ static u32 filter_rcv(struct sock *sk, struct sk_buff *buf) */ if (sock->state == SS_READY) { - if (msg_connected(msg)) { - msg_dbg(msg, "dispatch filter 1\n"); + if (msg_connected(msg)) return TIPC_ERR_NO_PORT; - } } else { - if (msg_mcast(msg)) { - msg_dbg(msg, "dispatch filter 2\n"); + if (msg_mcast(msg)) return TIPC_ERR_NO_PORT; - } if (sock->state == SS_CONNECTED) { - if (!msg_connected(msg)) { - msg_dbg(msg, "dispatch filter 3\n"); + if (!msg_connected(msg)) return TIPC_ERR_NO_PORT; - } - } - else if (sock->state == SS_CONNECTING) { - if (!msg_connected(msg) && (msg_errcode(msg) == 0)) { - msg_dbg(msg, "dispatch filter 4\n"); + } else if (sock->state == SS_CONNECTING) { + if (!msg_connected(msg) && (msg_errcode(msg) == 0)) return TIPC_ERR_NO_PORT; - } - } - else if (sock->state == SS_LISTENING) { - if (msg_connected(msg) || msg_errcode(msg)) { - msg_dbg(msg, "dispatch filter 5\n"); + } else if (sock->state == SS_LISTENING) { + if (msg_connected(msg) || msg_errcode(msg)) return TIPC_ERR_NO_PORT; - } - } - else if (sock->state == SS_DISCONNECTING) { - msg_dbg(msg, "dispatch filter 6\n"); + } else if (sock->state == SS_DISCONNECTING) { return TIPC_ERR_NO_PORT; - } - else /* (sock->state == SS_UNCONNECTED) */ { - if (msg_connected(msg) || msg_errcode(msg)) { - msg_dbg(msg, "dispatch filter 7\n"); + } else /* (sock->state == SS_UNCONNECTED) */ { + if (msg_connected(msg) || msg_errcode(msg)) return TIPC_ERR_NO_PORT; - } } } @@ -1280,7 +1256,6 @@ static u32 filter_rcv(struct sock *sk, struct sk_buff *buf) /* Enqueue message (finally!) */ - msg_dbg(msg, "<DISP<: "); TIPC_SKB_CB(buf)->handle = msg_data(msg); atomic_inc(&tipc_queue_size); __skb_queue_tail(&sk->sk_receive_queue, buf); @@ -1441,9 +1416,8 @@ static int connect(struct socket *sock, struct sockaddr *dest, int destlen, m.msg_name = dest; m.msg_namelen = destlen; res = send_msg(NULL, sock, &m, 0); - if (res < 0) { + if (res < 0) goto exit; - } /* Wait until an 'ACK' or 'RST' arrives, or a timeout occurs */ @@ -1465,11 +1439,10 @@ static int connect(struct socket *sock, struct sockaddr *dest, int destlen, advance_rx_queue(sk); } } else { - if (sock->state == SS_CONNECTED) { + if (sock->state == SS_CONNECTED) res = -EISCONN; - } else { + else res = -ECONNREFUSED; - } } } else { if (res == 0) @@ -1588,7 +1561,6 @@ static int accept(struct socket *sock, struct socket *new_sock, int flags) * Respond to 'SYN+' by queuing it on new socket. */ - msg_dbg(msg,"<ACC<: "); if (!msg_data_sz(msg)) { struct msghdr m = {NULL,}; @@ -1696,7 +1668,8 @@ static int setsockopt(struct socket *sock, return -ENOPROTOOPT; if (ol < sizeof(value)) return -EINVAL; - if ((res = get_user(value, (u32 __user *)ov))) + res = get_user(value, (u32 __user *)ov); + if (res) return res; lock_sock(sk); @@ -1754,7 +1727,8 @@ static int getsockopt(struct socket *sock, return put_user(0, ol); if (lvl != SOL_TIPC) return -ENOPROTOOPT; - if ((res = get_user(len, ol))) + res = get_user(len, ol); + if (res) return res; lock_sock(sk); @@ -1773,10 +1747,10 @@ static int getsockopt(struct socket *sock, value = jiffies_to_msecs(tipc_sk(sk)->conn_timeout); /* no need to set "res", since already 0 at this point */ break; - case TIPC_NODE_RECVQ_DEPTH: + case TIPC_NODE_RECVQ_DEPTH: value = (u32)atomic_read(&tipc_queue_size); break; - case TIPC_SOCK_RECVQ_DEPTH: + case TIPC_SOCK_RECVQ_DEPTH: value = skb_queue_len(&sk->sk_receive_queue); break; default: @@ -1785,20 +1759,16 @@ static int getsockopt(struct socket *sock, release_sock(sk); - if (res) { - /* "get" failed */ - } - else if (len < sizeof(value)) { - res = -EINVAL; - } - else if (copy_to_user(ov, &value, sizeof(value))) { - res = -EFAULT; - } - else { - res = put_user(sizeof(value), ol); - } + if (res) + return res; /* "get" failed */ - return res; + if (len < sizeof(value)) + return -EINVAL; + + if (copy_to_user(ov, &value, sizeof(value))) + return -EFAULT; + + return put_user(sizeof(value), ol); } /** @@ -1806,7 +1776,7 @@ static int getsockopt(struct socket *sock, */ static const struct proto_ops msg_ops = { - .owner = THIS_MODULE, + .owner = THIS_MODULE, .family = AF_TIPC, .release = release, .bind = bind, @@ -1827,7 +1797,7 @@ static const struct proto_ops msg_ops = { }; static const struct proto_ops packet_ops = { - .owner = THIS_MODULE, + .owner = THIS_MODULE, .family = AF_TIPC, .release = release, .bind = bind, @@ -1848,7 +1818,7 @@ static const struct proto_ops packet_ops = { }; static const struct proto_ops stream_ops = { - .owner = THIS_MODULE, + .owner = THIS_MODULE, .family = AF_TIPC, .release = release, .bind = bind, @@ -1869,7 +1839,7 @@ static const struct proto_ops stream_ops = { }; static const struct net_proto_family tipc_family_ops = { - .owner = THIS_MODULE, + .owner = THIS_MODULE, .family = AF_TIPC, .create = tipc_create }; diff --git a/net/tipc/subscr.c b/net/tipc/subscr.c index 23f43d03980c..ca04479c3d42 100644 --- a/net/tipc/subscr.c +++ b/net/tipc/subscr.c @@ -36,7 +36,7 @@ #include "core.h" #include "name_table.h" -#include "user_reg.h" +#include "port.h" #include "subscr.h" /** @@ -64,14 +64,13 @@ struct subscriber { */ struct top_srv { - u32 user_ref; u32 setup_port; atomic_t subscription_count; struct list_head subscriber_list; spinlock_t lock; }; -static struct top_srv topsrv = { 0 }; +static struct top_srv topsrv; /** * htohl - convert value to endianness used by destination @@ -250,8 +249,6 @@ static void subscr_terminate(struct subscriber *subscriber) k_cancel_timer(&sub->timer); k_term_timer(&sub->timer); } - dbg("Term: Removing sub %u,%u,%u from subscriber %x list\n", - sub->seq.type, sub->seq.lower, sub->seq.upper, subscriber); subscr_del(sub); } @@ -308,8 +305,6 @@ static void subscr_cancel(struct tipc_subscr *s, k_term_timer(&sub->timer); spin_lock_bh(subscriber->lock); } - dbg("Cancel: removing sub %u,%u,%u from subscriber %x list\n", - sub->seq.type, sub->seq.lower, sub->seq.upper, subscriber); subscr_del(sub); } @@ -494,8 +489,7 @@ static void subscr_named_msg_event(void *usr_handle, /* Create server port & establish connection to subscriber */ - tipc_createport(topsrv.user_ref, - subscriber, + tipc_createport(subscriber, importance, NULL, NULL, @@ -544,19 +538,12 @@ int tipc_subscr_start(void) struct tipc_name_seq seq = {TIPC_TOP_SRV, TIPC_TOP_SRV, TIPC_TOP_SRV}; int res; - memset(&topsrv, 0, sizeof (topsrv)); + memset(&topsrv, 0, sizeof(topsrv)); spin_lock_init(&topsrv.lock); INIT_LIST_HEAD(&topsrv.subscriber_list); spin_lock_bh(&topsrv.lock); - res = tipc_attach(&topsrv.user_ref); - if (res) { - spin_unlock_bh(&topsrv.lock); - return res; - } - - res = tipc_createport(topsrv.user_ref, - NULL, + res = tipc_createport(NULL, TIPC_CRITICAL_IMPORTANCE, NULL, NULL, @@ -570,16 +557,17 @@ int tipc_subscr_start(void) goto failed; res = tipc_nametbl_publish_rsv(topsrv.setup_port, TIPC_NODE_SCOPE, &seq); - if (res) + if (res) { + tipc_deleteport(topsrv.setup_port); + topsrv.setup_port = 0; goto failed; + } spin_unlock_bh(&topsrv.lock); return 0; failed: err("Failed to create subscription service\n"); - tipc_detach(topsrv.user_ref); - topsrv.user_ref = 0; spin_unlock_bh(&topsrv.lock); return res; } @@ -590,8 +578,10 @@ void tipc_subscr_stop(void) struct subscriber *subscriber_temp; spinlock_t *subscriber_lock; - if (topsrv.user_ref) { + if (topsrv.setup_port) { tipc_deleteport(topsrv.setup_port); + topsrv.setup_port = 0; + list_for_each_entry_safe(subscriber, subscriber_temp, &topsrv.subscriber_list, subscriber_list) { @@ -600,7 +590,5 @@ void tipc_subscr_stop(void) subscr_terminate(subscriber); spin_unlock_bh(subscriber_lock); } - tipc_detach(topsrv.user_ref); - topsrv.user_ref = 0; } } diff --git a/net/tipc/user_reg.c b/net/tipc/user_reg.c deleted file mode 100644 index 2e2702e2049c..000000000000 --- a/net/tipc/user_reg.c +++ /dev/null @@ -1,218 +0,0 @@ -/* - * net/tipc/user_reg.c: TIPC user registry code - * - * Copyright (c) 2000-2006, Ericsson AB - * Copyright (c) 2004-2005, Wind River Systems - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions are met: - * - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution. - * 3. Neither the names of the copyright holders nor the names of its - * contributors may be used to endorse or promote products derived from - * this software without specific prior written permission. - * - * Alternatively, this software may be distributed under the terms of the - * GNU General Public License ("GPL") version 2 as published by the Free - * Software Foundation. - * - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" - * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE - * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE - * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR - * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF - * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS - * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN - * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) - * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE - * POSSIBILITY OF SUCH DAMAGE. - */ - -#include "core.h" -#include "user_reg.h" - -/* - * TIPC user registry keeps track of users of the tipc_port interface. - * - * The registry utilizes an array of "TIPC user" entries; - * a user's ID is the index of their associated array entry. - * Array entry 0 is not used, so userid 0 is not valid; - * TIPC sometimes uses this value to denote an anonymous user. - * The list of free entries is initially chained from last entry to entry 1. - */ - -/** - * struct tipc_user - registered TIPC user info - * @next: index of next free registry entry (or -1 for an allocated entry) - * @ports: list of user ports owned by the user - */ - -struct tipc_user { - int next; - struct list_head ports; -}; - -#define MAX_USERID 64 -#define USER_LIST_SIZE ((MAX_USERID + 1) * sizeof(struct tipc_user)) - -static struct tipc_user *users = NULL; -static u32 next_free_user = MAX_USERID + 1; -static DEFINE_SPINLOCK(reg_lock); - -/** - * reg_init - create TIPC user registry (but don't activate it) - * - * If registry has been pre-initialized it is left "as is". - * NOTE: This routine may be called when TIPC is inactive. - */ - -static int reg_init(void) -{ - u32 i; - - spin_lock_bh(®_lock); - if (!users) { - users = kzalloc(USER_LIST_SIZE, GFP_ATOMIC); - if (users) { - for (i = 1; i <= MAX_USERID; i++) { - users[i].next = i - 1; - } - next_free_user = MAX_USERID; - } - } - spin_unlock_bh(®_lock); - return users ? 0 : -ENOMEM; -} - -/** - * tipc_reg_start - activate TIPC user registry - */ - -int tipc_reg_start(void) -{ - return reg_init(); -} - -/** - * tipc_reg_stop - shut down & delete TIPC user registry - */ - -void tipc_reg_stop(void) -{ - if (!users) - return; - - kfree(users); - users = NULL; -} - -/** - * tipc_attach - register a TIPC user - * - * NOTE: This routine may be called when TIPC is inactive. - */ - -int tipc_attach(u32 *userid) -{ - struct tipc_user *user_ptr; - - if (!users) - reg_init(); - - spin_lock_bh(®_lock); - if (!next_free_user) { - spin_unlock_bh(®_lock); - return -EBUSY; - } - user_ptr = &users[next_free_user]; - *userid = next_free_user; - next_free_user = user_ptr->next; - user_ptr->next = -1; - spin_unlock_bh(®_lock); - - INIT_LIST_HEAD(&user_ptr->ports); - atomic_inc(&tipc_user_count); - - return 0; -} - -/** - * tipc_detach - deregister a TIPC user - */ - -void tipc_detach(u32 userid) -{ - struct tipc_user *user_ptr; - struct list_head ports_temp; - struct user_port *up_ptr, *temp_up_ptr; - - if ((userid == 0) || (userid > MAX_USERID)) - return; - - spin_lock_bh(®_lock); - if ((!users) || (users[userid].next >= 0)) { - spin_unlock_bh(®_lock); - return; - } - - user_ptr = &users[userid]; - INIT_LIST_HEAD(&ports_temp); - list_splice(&user_ptr->ports, &ports_temp); - user_ptr->next = next_free_user; - next_free_user = userid; - spin_unlock_bh(®_lock); - - atomic_dec(&tipc_user_count); - - list_for_each_entry_safe(up_ptr, temp_up_ptr, &ports_temp, uport_list) { - tipc_deleteport(up_ptr->ref); - } -} - -/** - * tipc_reg_add_port - register a user's driver port - */ - -int tipc_reg_add_port(struct user_port *up_ptr) -{ - struct tipc_user *user_ptr; - - if (up_ptr->user_ref == 0) - return 0; - if (up_ptr->user_ref > MAX_USERID) - return -EINVAL; - if ((tipc_mode == TIPC_NOT_RUNNING) || !users ) - return -ENOPROTOOPT; - - spin_lock_bh(®_lock); - user_ptr = &users[up_ptr->user_ref]; - list_add(&up_ptr->uport_list, &user_ptr->ports); - spin_unlock_bh(®_lock); - return 0; -} - -/** - * tipc_reg_remove_port - deregister a user's driver port - */ - -int tipc_reg_remove_port(struct user_port *up_ptr) -{ - if (up_ptr->user_ref == 0) - return 0; - if (up_ptr->user_ref > MAX_USERID) - return -EINVAL; - if (!users ) - return -ENOPROTOOPT; - - spin_lock_bh(®_lock); - list_del_init(&up_ptr->uport_list); - spin_unlock_bh(®_lock); - return 0; -} - diff --git a/net/tipc/user_reg.h b/net/tipc/user_reg.h deleted file mode 100644 index 109eed0d6de3..000000000000 --- a/net/tipc/user_reg.h +++ /dev/null @@ -1,51 +0,0 @@ -/* - * net/tipc/user_reg.h: Include file for TIPC user registry code - * - * Copyright (c) 2000-2006, Ericsson AB - * Copyright (c) 2005, Wind River Systems - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions are met: - * - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution. - * 3. Neither the names of the copyright holders nor the names of its - * contributors may be used to endorse or promote products derived from - * this software without specific prior written permission. - * - * Alternatively, this software may be distributed under the terms of the - * GNU General Public License ("GPL") version 2 as published by the Free - * Software Foundation. - * - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" - * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE - * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE - * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR - * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF - * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS - * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN - * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) - * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE - * POSSIBILITY OF SUCH DAMAGE. - */ - -#ifndef _TIPC_USER_REG_H -#define _TIPC_USER_REG_H - -#include "port.h" - -int tipc_reg_start(void); -void tipc_reg_stop(void); - -int tipc_attach(unsigned int *userref); -void tipc_detach(unsigned int userref); - -int tipc_reg_add_port(struct user_port *up_ptr); -int tipc_reg_remove_port(struct user_port *up_ptr); - -#endif diff --git a/net/tipc/zone.c b/net/tipc/zone.c deleted file mode 100644 index 1b61ca8c48ef..000000000000 --- a/net/tipc/zone.c +++ /dev/null @@ -1,159 +0,0 @@ -/* - * net/tipc/zone.c: TIPC zone management routines - * - * Copyright (c) 2000-2006, Ericsson AB - * Copyright (c) 2005, Wind River Systems - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions are met: - * - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution. - * 3. Neither the names of the copyright holders nor the names of its - * contributors may be used to endorse or promote products derived from - * this software without specific prior written permission. - * - * Alternatively, this software may be distributed under the terms of the - * GNU General Public License ("GPL") version 2 as published by the Free - * Software Foundation. - * - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" - * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE - * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE - * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR - * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF - * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS - * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN - * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) - * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE - * POSSIBILITY OF SUCH DAMAGE. - */ - -#include "core.h" -#include "zone.h" -#include "cluster.h" -#include "node.h" - -struct _zone *tipc_zone_create(u32 addr) -{ - struct _zone *z_ptr; - u32 z_num; - - if (!tipc_addr_domain_valid(addr)) { - err("Zone creation failed, invalid domain 0x%x\n", addr); - return NULL; - } - - z_ptr = kzalloc(sizeof(*z_ptr), GFP_ATOMIC); - if (!z_ptr) { - warn("Zone creation failed, insufficient memory\n"); - return NULL; - } - - z_num = tipc_zone(addr); - z_ptr->addr = tipc_addr(z_num, 0, 0); - tipc_net.zones[z_num] = z_ptr; - return z_ptr; -} - -void tipc_zone_delete(struct _zone *z_ptr) -{ - u32 c_num; - - if (!z_ptr) - return; - for (c_num = 1; c_num <= tipc_max_clusters; c_num++) { - tipc_cltr_delete(z_ptr->clusters[c_num]); - } - kfree(z_ptr); -} - -void tipc_zone_attach_cluster(struct _zone *z_ptr, struct cluster *c_ptr) -{ - u32 c_num = tipc_cluster(c_ptr->addr); - - assert(c_ptr->addr); - assert(c_num <= tipc_max_clusters); - assert(z_ptr->clusters[c_num] == NULL); - z_ptr->clusters[c_num] = c_ptr; -} - -void tipc_zone_remove_as_router(struct _zone *z_ptr, u32 router) -{ - u32 c_num; - - for (c_num = 1; c_num <= tipc_max_clusters; c_num++) { - if (z_ptr->clusters[c_num]) { - tipc_cltr_remove_as_router(z_ptr->clusters[c_num], - router); - } - } -} - -void tipc_zone_send_external_routes(struct _zone *z_ptr, u32 dest) -{ - u32 c_num; - - for (c_num = 1; c_num <= tipc_max_clusters; c_num++) { - if (z_ptr->clusters[c_num]) { - if (in_own_cluster(z_ptr->addr)) - continue; - tipc_cltr_send_ext_routes(z_ptr->clusters[c_num], dest); - } - } -} - -struct tipc_node *tipc_zone_select_remote_node(struct _zone *z_ptr, u32 addr, u32 ref) -{ - struct cluster *c_ptr; - struct tipc_node *n_ptr; - u32 c_num; - - if (!z_ptr) - return NULL; - c_ptr = z_ptr->clusters[tipc_cluster(addr)]; - if (!c_ptr) - return NULL; - n_ptr = tipc_cltr_select_node(c_ptr, ref); - if (n_ptr) - return n_ptr; - - /* Links to any other clusters within this zone ? */ - for (c_num = 1; c_num <= tipc_max_clusters; c_num++) { - c_ptr = z_ptr->clusters[c_num]; - if (!c_ptr) - return NULL; - n_ptr = tipc_cltr_select_node(c_ptr, ref); - if (n_ptr) - return n_ptr; - } - return NULL; -} - -u32 tipc_zone_select_router(struct _zone *z_ptr, u32 addr, u32 ref) -{ - struct cluster *c_ptr; - u32 c_num; - u32 router; - - if (!z_ptr) - return 0; - c_ptr = z_ptr->clusters[tipc_cluster(addr)]; - router = c_ptr ? tipc_cltr_select_router(c_ptr, ref) : 0; - if (router) - return router; - - /* Links to any other clusters within the zone? */ - for (c_num = 1; c_num <= tipc_max_clusters; c_num++) { - c_ptr = z_ptr->clusters[c_num]; - router = c_ptr ? tipc_cltr_select_router(c_ptr, ref) : 0; - if (router) - return router; - } - return 0; -} diff --git a/net/tipc/zone.h b/net/tipc/zone.h deleted file mode 100644 index bd1c20ce9d06..000000000000 --- a/net/tipc/zone.h +++ /dev/null @@ -1,70 +0,0 @@ -/* - * net/tipc/zone.h: Include file for TIPC zone management routines - * - * Copyright (c) 2000-2006, Ericsson AB - * Copyright (c) 2005-2006, Wind River Systems - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions are met: - * - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution. - * 3. Neither the names of the copyright holders nor the names of its - * contributors may be used to endorse or promote products derived from - * this software without specific prior written permission. - * - * Alternatively, this software may be distributed under the terms of the - * GNU General Public License ("GPL") version 2 as published by the Free - * Software Foundation. - * - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" - * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE - * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE - * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR - * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF - * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS - * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN - * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) - * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE - * POSSIBILITY OF SUCH DAMAGE. - */ - -#ifndef _TIPC_ZONE_H -#define _TIPC_ZONE_H - -#include "node_subscr.h" -#include "net.h" - - -/** - * struct _zone - TIPC zone structure - * @addr: network address of zone - * @clusters: array of pointers to all clusters within zone - * @links: number of (unicast) links to zone - */ - -struct _zone { - u32 addr; - struct cluster *clusters[2]; /* currently limited to just 1 cluster */ - u32 links; -}; - -struct tipc_node *tipc_zone_select_remote_node(struct _zone *z_ptr, u32 addr, u32 ref); -u32 tipc_zone_select_router(struct _zone *z_ptr, u32 addr, u32 ref); -void tipc_zone_remove_as_router(struct _zone *z_ptr, u32 router); -void tipc_zone_send_external_routes(struct _zone *z_ptr, u32 dest); -struct _zone *tipc_zone_create(u32 addr); -void tipc_zone_delete(struct _zone *z_ptr); -void tipc_zone_attach_cluster(struct _zone *z_ptr, struct cluster *c_ptr); - -static inline struct _zone *tipc_zone_find(u32 addr) -{ - return tipc_net.zones[tipc_zone(addr)]; -} - -#endif diff --git a/net/unix/af_unix.c b/net/unix/af_unix.c index 417d7a6c36cf..dd419d286204 100644 --- a/net/unix/af_unix.c +++ b/net/unix/af_unix.c @@ -1157,7 +1157,7 @@ restart: goto restart; } - err = security_unix_stream_connect(sock, other->sk_socket, newsk); + err = security_unix_stream_connect(sk, other, newsk); if (err) { unix_state_unlock(sk); goto out_unlock; diff --git a/net/wireless/Kconfig b/net/wireless/Kconfig index d0ee29063e5d..1f1ef70f34f2 100644 --- a/net/wireless/Kconfig +++ b/net/wireless/Kconfig @@ -95,7 +95,7 @@ config CFG80211_DEBUGFS If unsure, say N. config CFG80211_INTERNAL_REGDB - bool "use statically compiled regulatory rules database" if EMBEDDED + bool "use statically compiled regulatory rules database" if EXPERT default n depends on CFG80211 ---help--- diff --git a/net/wireless/core.c b/net/wireless/core.c index 79772fcc37bc..e9a5f8ca4c27 100644 --- a/net/wireless/core.c +++ b/net/wireless/core.c @@ -789,13 +789,23 @@ static int cfg80211_netdev_notifier_call(struct notifier_block * nb, cfg80211_mgd_wext_connect(rdev, wdev); break; #endif +#ifdef CONFIG_MAC80211_MESH case NL80211_IFTYPE_MESH_POINT: - /* backward compat code ... */ - if (wdev->mesh_id_up_len) - __cfg80211_join_mesh(rdev, dev, wdev->ssid, - wdev->mesh_id_up_len, - &default_mesh_config); - break; + { + /* backward compat code... */ + struct mesh_setup setup; + memcpy(&setup, &default_mesh_setup, + sizeof(setup)); + /* back compat only needed for mesh_id */ + setup.mesh_id = wdev->ssid; + setup.mesh_id_len = wdev->mesh_id_up_len; + if (wdev->mesh_id_up_len) + __cfg80211_join_mesh(rdev, dev, + &setup, + &default_mesh_config); + break; + } +#endif default: break; } diff --git a/net/wireless/core.h b/net/wireless/core.h index 743203bb61ac..26a0a084e16b 100644 --- a/net/wireless/core.h +++ b/net/wireless/core.h @@ -287,13 +287,14 @@ int cfg80211_ibss_wext_join(struct cfg80211_registered_device *rdev, /* mesh */ extern const struct mesh_config default_mesh_config; +extern const struct mesh_setup default_mesh_setup; int __cfg80211_join_mesh(struct cfg80211_registered_device *rdev, struct net_device *dev, - const u8 *mesh_id, u8 mesh_id_len, + const struct mesh_setup *setup, const struct mesh_config *conf); int cfg80211_join_mesh(struct cfg80211_registered_device *rdev, struct net_device *dev, - const u8 *mesh_id, u8 mesh_id_len, + const struct mesh_setup *setup, const struct mesh_config *conf); int cfg80211_leave_mesh(struct cfg80211_registered_device *rdev, struct net_device *dev); diff --git a/net/wireless/mesh.c b/net/wireless/mesh.c index e0b9747fe50a..73e39c171ffb 100644 --- a/net/wireless/mesh.c +++ b/net/wireless/mesh.c @@ -50,17 +50,19 @@ const struct mesh_config default_mesh_config = { .min_discovery_timeout = MESH_MIN_DISCOVERY_TIMEOUT, }; +const struct mesh_setup default_mesh_setup = { + .path_sel_proto = IEEE80211_PATH_PROTOCOL_HWMP, + .path_metric = IEEE80211_PATH_METRIC_AIRTIME, + .vendor_ie = NULL, + .vendor_ie_len = 0, +}; int __cfg80211_join_mesh(struct cfg80211_registered_device *rdev, struct net_device *dev, - const u8 *mesh_id, u8 mesh_id_len, + const struct mesh_setup *setup, const struct mesh_config *conf) { struct wireless_dev *wdev = dev->ieee80211_ptr; - struct mesh_setup setup = { - .mesh_id = mesh_id, - .mesh_id_len = mesh_id_len, - }; int err; BUILD_BUG_ON(IEEE80211_MAX_SSID_LEN != IEEE80211_MAX_MESH_ID_LEN); @@ -73,16 +75,16 @@ int __cfg80211_join_mesh(struct cfg80211_registered_device *rdev, if (wdev->mesh_id_len) return -EALREADY; - if (!mesh_id_len) + if (!setup->mesh_id_len) return -EINVAL; if (!rdev->ops->join_mesh) return -EOPNOTSUPP; - err = rdev->ops->join_mesh(&rdev->wiphy, dev, conf, &setup); + err = rdev->ops->join_mesh(&rdev->wiphy, dev, conf, setup); if (!err) { - memcpy(wdev->ssid, mesh_id, mesh_id_len); - wdev->mesh_id_len = mesh_id_len; + memcpy(wdev->ssid, setup->mesh_id, setup->mesh_id_len); + wdev->mesh_id_len = setup->mesh_id_len; } return err; @@ -90,14 +92,14 @@ int __cfg80211_join_mesh(struct cfg80211_registered_device *rdev, int cfg80211_join_mesh(struct cfg80211_registered_device *rdev, struct net_device *dev, - const u8 *mesh_id, u8 mesh_id_len, + const struct mesh_setup *setup, const struct mesh_config *conf) { struct wireless_dev *wdev = dev->ieee80211_ptr; int err; wdev_lock(wdev); - err = __cfg80211_join_mesh(rdev, dev, mesh_id, mesh_id_len, conf); + err = __cfg80211_join_mesh(rdev, dev, setup, conf); wdev_unlock(wdev); return err; diff --git a/net/wireless/mlme.c b/net/wireless/mlme.c index d7680f2a4c5b..aa5df8865ff7 100644 --- a/net/wireless/mlme.c +++ b/net/wireless/mlme.c @@ -263,6 +263,28 @@ void cfg80211_send_disassoc(struct net_device *dev, const u8 *buf, size_t len) } EXPORT_SYMBOL(cfg80211_send_disassoc); +void cfg80211_send_unprot_deauth(struct net_device *dev, const u8 *buf, + size_t len) +{ + struct wireless_dev *wdev = dev->ieee80211_ptr; + struct wiphy *wiphy = wdev->wiphy; + struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy); + + nl80211_send_unprot_deauth(rdev, dev, buf, len, GFP_ATOMIC); +} +EXPORT_SYMBOL(cfg80211_send_unprot_deauth); + +void cfg80211_send_unprot_disassoc(struct net_device *dev, const u8 *buf, + size_t len) +{ + struct wireless_dev *wdev = dev->ieee80211_ptr; + struct wiphy *wiphy = wdev->wiphy; + struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy); + + nl80211_send_unprot_disassoc(rdev, dev, buf, len, GFP_ATOMIC); +} +EXPORT_SYMBOL(cfg80211_send_unprot_disassoc); + static void __cfg80211_auth_remove(struct wireless_dev *wdev, const u8 *addr) { int i; diff --git a/net/wireless/nl80211.c b/net/wireless/nl80211.c index c3f80e565365..9b62710891a2 100644 --- a/net/wireless/nl80211.c +++ b/net/wireless/nl80211.c @@ -123,7 +123,7 @@ static const struct nla_policy nl80211_policy[NL80211_ATTR_MAX+1] = { .len = NL80211_MAX_SUPP_RATES }, [NL80211_ATTR_BSS_HT_OPMODE] = { .type = NLA_U16 }, - [NL80211_ATTR_MESH_PARAMS] = { .type = NLA_NESTED }, + [NL80211_ATTR_MESH_CONFIG] = { .type = NLA_NESTED }, [NL80211_ATTR_HT_CAPABILITY] = { .type = NLA_BINARY, .len = NL80211_HT_CAPABILITY_LEN }, @@ -171,6 +171,7 @@ static const struct nla_policy nl80211_policy[NL80211_ATTR_MAX+1] = { [NL80211_ATTR_WIPHY_ANTENNA_RX] = { .type = NLA_U32 }, [NL80211_ATTR_MCAST_RATE] = { .type = NLA_U32 }, [NL80211_ATTR_OFFCHANNEL_TX_OK] = { .type = NLA_FLAG }, + [NL80211_ATTR_KEY_DEFAULT_TYPES] = { .type = NLA_NESTED }, }; /* policy for the key attributes */ @@ -182,6 +183,14 @@ static const struct nla_policy nl80211_key_policy[NL80211_KEY_MAX + 1] = { [NL80211_KEY_DEFAULT] = { .type = NLA_FLAG }, [NL80211_KEY_DEFAULT_MGMT] = { .type = NLA_FLAG }, [NL80211_KEY_TYPE] = { .type = NLA_U32 }, + [NL80211_KEY_DEFAULT_TYPES] = { .type = NLA_NESTED }, +}; + +/* policy for the key default flags */ +static const struct nla_policy +nl80211_key_default_policy[NUM_NL80211_KEY_DEFAULT_TYPES] = { + [NL80211_KEY_DEFAULT_TYPE_UNICAST] = { .type = NLA_FLAG }, + [NL80211_KEY_DEFAULT_TYPE_MULTICAST] = { .type = NLA_FLAG }, }; /* ifidx get helper */ @@ -314,6 +323,7 @@ struct key_parse { int idx; int type; bool def, defmgmt; + bool def_uni, def_multi; }; static int nl80211_parse_key_new(struct nlattr *key, struct key_parse *k) @@ -327,6 +337,13 @@ static int nl80211_parse_key_new(struct nlattr *key, struct key_parse *k) k->def = !!tb[NL80211_KEY_DEFAULT]; k->defmgmt = !!tb[NL80211_KEY_DEFAULT_MGMT]; + if (k->def) { + k->def_uni = true; + k->def_multi = true; + } + if (k->defmgmt) + k->def_multi = true; + if (tb[NL80211_KEY_IDX]) k->idx = nla_get_u8(tb[NL80211_KEY_IDX]); @@ -349,6 +366,19 @@ static int nl80211_parse_key_new(struct nlattr *key, struct key_parse *k) return -EINVAL; } + if (tb[NL80211_KEY_DEFAULT_TYPES]) { + struct nlattr *kdt[NUM_NL80211_KEY_DEFAULT_TYPES]; + int err = nla_parse_nested(kdt, + NUM_NL80211_KEY_DEFAULT_TYPES - 1, + tb[NL80211_KEY_DEFAULT_TYPES], + nl80211_key_default_policy); + if (err) + return err; + + k->def_uni = kdt[NL80211_KEY_DEFAULT_TYPE_UNICAST]; + k->def_multi = kdt[NL80211_KEY_DEFAULT_TYPE_MULTICAST]; + } + return 0; } @@ -373,12 +403,32 @@ static int nl80211_parse_key_old(struct genl_info *info, struct key_parse *k) k->def = !!info->attrs[NL80211_ATTR_KEY_DEFAULT]; k->defmgmt = !!info->attrs[NL80211_ATTR_KEY_DEFAULT_MGMT]; + if (k->def) { + k->def_uni = true; + k->def_multi = true; + } + if (k->defmgmt) + k->def_multi = true; + if (info->attrs[NL80211_ATTR_KEY_TYPE]) { k->type = nla_get_u32(info->attrs[NL80211_ATTR_KEY_TYPE]); if (k->type < 0 || k->type >= NUM_NL80211_KEYTYPES) return -EINVAL; } + if (info->attrs[NL80211_ATTR_KEY_DEFAULT_TYPES]) { + struct nlattr *kdt[NUM_NL80211_KEY_DEFAULT_TYPES]; + int err = nla_parse_nested( + kdt, NUM_NL80211_KEY_DEFAULT_TYPES - 1, + info->attrs[NL80211_ATTR_KEY_DEFAULT_TYPES], + nl80211_key_default_policy); + if (err) + return err; + + k->def_uni = kdt[NL80211_KEY_DEFAULT_TYPE_UNICAST]; + k->def_multi = kdt[NL80211_KEY_DEFAULT_TYPE_MULTICAST]; + } + return 0; } @@ -401,6 +451,11 @@ static int nl80211_parse_key(struct genl_info *info, struct key_parse *k) if (k->def && k->defmgmt) return -EINVAL; + if (k->defmgmt) { + if (k->def_uni || !k->def_multi) + return -EINVAL; + } + if (k->idx != -1) { if (k->defmgmt) { if (k->idx < 4 || k->idx > 5) @@ -450,6 +505,8 @@ nl80211_parse_connkeys(struct cfg80211_registered_device *rdev, goto error; def = 1; result->def = parse.idx; + if (!parse.def_uni || !parse.def_multi) + goto error; } else if (parse.defmgmt) goto error; err = cfg80211_validate_key_settings(rdev, &parse.p, @@ -548,7 +605,13 @@ static int nl80211_send_wiphy(struct sk_buff *msg, u32 pid, u32 seq, int flags, if (dev->wiphy.flags & WIPHY_FLAG_CONTROL_PORT_PROTOCOL) NLA_PUT_FLAG(msg, NL80211_ATTR_CONTROL_PORT_ETHERTYPE); - if (dev->ops->get_antenna) { + NLA_PUT_U32(msg, NL80211_ATTR_WIPHY_ANTENNA_AVAIL_TX, + dev->wiphy.available_antennas_tx); + NLA_PUT_U32(msg, NL80211_ATTR_WIPHY_ANTENNA_AVAIL_RX, + dev->wiphy.available_antennas_rx); + + if ((dev->wiphy.available_antennas_tx || + dev->wiphy.available_antennas_rx) && dev->ops->get_antenna) { u32 tx_ant = 0, rx_ant = 0; int res; res = dev->ops->get_antenna(&dev->wiphy, &tx_ant, &rx_ant); @@ -662,7 +725,7 @@ static int nl80211_send_wiphy(struct sk_buff *msg, u32 pid, u32 seq, int flags, CMD(add_beacon, NEW_BEACON); CMD(add_station, NEW_STATION); CMD(add_mpath, NEW_MPATH); - CMD(update_mesh_params, SET_MESH_PARAMS); + CMD(update_mesh_config, SET_MESH_CONFIG); CMD(change_bss, SET_BSS); CMD(auth, AUTHENTICATE); CMD(assoc, ASSOCIATE); @@ -698,6 +761,10 @@ static int nl80211_send_wiphy(struct sk_buff *msg, u32 pid, u32 seq, int flags, nla_nest_end(msg, nl_cmds); + if (dev->ops->remain_on_channel) + NLA_PUT_U32(msg, NL80211_ATTR_MAX_REMAIN_ON_CHANNEL_DURATION, + dev->wiphy.max_remain_on_channel_duration); + /* for now at least assume all drivers have it */ if (dev->ops->mgmt_tx) NLA_PUT_FLAG(msg, NL80211_ATTR_OFFCHANNEL_TX_OK); @@ -1046,7 +1113,9 @@ static int nl80211_set_wiphy(struct sk_buff *skb, struct genl_info *info) if (info->attrs[NL80211_ATTR_WIPHY_ANTENNA_TX] && info->attrs[NL80211_ATTR_WIPHY_ANTENNA_RX]) { u32 tx_ant, rx_ant; - if (!rdev->ops->set_antenna) { + if ((!rdev->wiphy.available_antennas_tx && + !rdev->wiphy.available_antennas_rx) || + !rdev->ops->set_antenna) { result = -EOPNOTSUPP; goto bad_res; } @@ -1054,6 +1123,17 @@ static int nl80211_set_wiphy(struct sk_buff *skb, struct genl_info *info) tx_ant = nla_get_u32(info->attrs[NL80211_ATTR_WIPHY_ANTENNA_TX]); rx_ant = nla_get_u32(info->attrs[NL80211_ATTR_WIPHY_ANTENNA_RX]); + /* reject antenna configurations which don't match the + * available antenna masks, except for the "all" mask */ + if ((~tx_ant && (tx_ant & ~rdev->wiphy.available_antennas_tx)) || + (~rx_ant && (rx_ant & ~rdev->wiphy.available_antennas_rx))) { + result = -EINVAL; + goto bad_res; + } + + tx_ant = tx_ant & rdev->wiphy.available_antennas_tx; + rx_ant = rx_ant & rdev->wiphy.available_antennas_rx; + result = rdev->ops->set_antenna(&rdev->wiphy, tx_ant, rx_ant); if (result) goto bad_res; @@ -1575,8 +1655,6 @@ static int nl80211_set_key(struct sk_buff *skb, struct genl_info *info) struct key_parse key; int err; struct net_device *dev = info->user_ptr[1]; - int (*func)(struct wiphy *wiphy, struct net_device *netdev, - u8 key_index); err = nl80211_parse_key(info, &key); if (err) @@ -1589,27 +1667,61 @@ static int nl80211_set_key(struct sk_buff *skb, struct genl_info *info) if (!key.def && !key.defmgmt) return -EINVAL; - if (key.def) - func = rdev->ops->set_default_key; - else - func = rdev->ops->set_default_mgmt_key; + wdev_lock(dev->ieee80211_ptr); - if (!func) - return -EOPNOTSUPP; + if (key.def) { + if (!rdev->ops->set_default_key) { + err = -EOPNOTSUPP; + goto out; + } - wdev_lock(dev->ieee80211_ptr); - err = nl80211_key_allowed(dev->ieee80211_ptr); - if (!err) - err = func(&rdev->wiphy, dev, key.idx); + err = nl80211_key_allowed(dev->ieee80211_ptr); + if (err) + goto out; + + if (!(rdev->wiphy.flags & + WIPHY_FLAG_SUPPORTS_SEPARATE_DEFAULT_KEYS)) { + if (!key.def_uni || !key.def_multi) { + err = -EOPNOTSUPP; + goto out; + } + } + + err = rdev->ops->set_default_key(&rdev->wiphy, dev, key.idx, + key.def_uni, key.def_multi); + + if (err) + goto out; #ifdef CONFIG_CFG80211_WEXT - if (!err) { - if (func == rdev->ops->set_default_key) - dev->ieee80211_ptr->wext.default_key = key.idx; - else - dev->ieee80211_ptr->wext.default_mgmt_key = key.idx; - } + dev->ieee80211_ptr->wext.default_key = key.idx; #endif + } else { + if (key.def_uni || !key.def_multi) { + err = -EINVAL; + goto out; + } + + if (!rdev->ops->set_default_mgmt_key) { + err = -EOPNOTSUPP; + goto out; + } + + err = nl80211_key_allowed(dev->ieee80211_ptr); + if (err) + goto out; + + err = rdev->ops->set_default_mgmt_key(&rdev->wiphy, + dev, key.idx); + if (err) + goto out; + +#ifdef CONFIG_CFG80211_WEXT + dev->ieee80211_ptr->wext.default_mgmt_key = key.idx; +#endif + } + + out: wdev_unlock(dev->ieee80211_ptr); return err; @@ -2569,7 +2681,7 @@ static int nl80211_req_set_reg(struct sk_buff *skb, struct genl_info *info) return r; } -static int nl80211_get_mesh_params(struct sk_buff *skb, +static int nl80211_get_mesh_config(struct sk_buff *skb, struct genl_info *info) { struct cfg80211_registered_device *rdev = info->user_ptr[0]; @@ -2584,7 +2696,7 @@ static int nl80211_get_mesh_params(struct sk_buff *skb, if (wdev->iftype != NL80211_IFTYPE_MESH_POINT) return -EOPNOTSUPP; - if (!rdev->ops->get_mesh_params) + if (!rdev->ops->get_mesh_config) return -EOPNOTSUPP; wdev_lock(wdev); @@ -2592,7 +2704,7 @@ static int nl80211_get_mesh_params(struct sk_buff *skb, if (!wdev->mesh_id_len) memcpy(&cur_params, &default_mesh_config, sizeof(cur_params)); else - err = rdev->ops->get_mesh_params(&rdev->wiphy, dev, + err = rdev->ops->get_mesh_config(&rdev->wiphy, dev, &cur_params); wdev_unlock(wdev); @@ -2604,10 +2716,10 @@ static int nl80211_get_mesh_params(struct sk_buff *skb, if (!msg) return -ENOMEM; hdr = nl80211hdr_put(msg, info->snd_pid, info->snd_seq, 0, - NL80211_CMD_GET_MESH_PARAMS); + NL80211_CMD_GET_MESH_CONFIG); if (!hdr) goto nla_put_failure; - pinfoattr = nla_nest_start(msg, NL80211_ATTR_MESH_PARAMS); + pinfoattr = nla_nest_start(msg, NL80211_ATTR_MESH_CONFIG); if (!pinfoattr) goto nla_put_failure; NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, dev->ifindex); @@ -2669,7 +2781,15 @@ static const struct nla_policy nl80211_meshconf_params_policy[NL80211_MESHCONF_A [NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME] = { .type = NLA_U16 }, }; -static int nl80211_parse_mesh_params(struct genl_info *info, +static const struct nla_policy + nl80211_mesh_setup_params_policy[NL80211_MESH_SETUP_ATTR_MAX+1] = { + [NL80211_MESH_SETUP_ENABLE_VENDOR_PATH_SEL] = { .type = NLA_U8 }, + [NL80211_MESH_SETUP_ENABLE_VENDOR_METRIC] = { .type = NLA_U8 }, + [NL80211_MESH_SETUP_VENDOR_PATH_SEL_IE] = { .type = NLA_BINARY, + .len = IEEE80211_MAX_DATA_LEN }, +}; + +static int nl80211_parse_mesh_config(struct genl_info *info, struct mesh_config *cfg, u32 *mask_out) { @@ -2685,10 +2805,10 @@ do {\ } while (0);\ - if (!info->attrs[NL80211_ATTR_MESH_PARAMS]) + if (!info->attrs[NL80211_ATTR_MESH_CONFIG]) return -EINVAL; if (nla_parse_nested(tb, NL80211_MESHCONF_ATTR_MAX, - info->attrs[NL80211_ATTR_MESH_PARAMS], + info->attrs[NL80211_ATTR_MESH_CONFIG], nl80211_meshconf_params_policy)) return -EINVAL; @@ -2735,15 +2855,51 @@ do {\ dot11MeshHWMPRootMode, mask, NL80211_MESHCONF_HWMP_ROOTMODE, nla_get_u8); - if (mask_out) *mask_out = mask; + return 0; #undef FILL_IN_MESH_PARAM_IF_SET } -static int nl80211_update_mesh_params(struct sk_buff *skb, +static int nl80211_parse_mesh_setup(struct genl_info *info, + struct mesh_setup *setup) +{ + struct nlattr *tb[NL80211_MESH_SETUP_ATTR_MAX + 1]; + + if (!info->attrs[NL80211_ATTR_MESH_SETUP]) + return -EINVAL; + if (nla_parse_nested(tb, NL80211_MESH_SETUP_ATTR_MAX, + info->attrs[NL80211_ATTR_MESH_SETUP], + nl80211_mesh_setup_params_policy)) + return -EINVAL; + + if (tb[NL80211_MESH_SETUP_ENABLE_VENDOR_PATH_SEL]) + setup->path_sel_proto = + (nla_get_u8(tb[NL80211_MESH_SETUP_ENABLE_VENDOR_PATH_SEL])) ? + IEEE80211_PATH_PROTOCOL_VENDOR : + IEEE80211_PATH_PROTOCOL_HWMP; + + if (tb[NL80211_MESH_SETUP_ENABLE_VENDOR_METRIC]) + setup->path_metric = + (nla_get_u8(tb[NL80211_MESH_SETUP_ENABLE_VENDOR_METRIC])) ? + IEEE80211_PATH_METRIC_VENDOR : + IEEE80211_PATH_METRIC_AIRTIME; + + if (tb[NL80211_MESH_SETUP_VENDOR_PATH_SEL_IE]) { + struct nlattr *ieattr = + tb[NL80211_MESH_SETUP_VENDOR_PATH_SEL_IE]; + if (!is_valid_ie_attr(ieattr)) + return -EINVAL; + setup->vendor_ie = nla_data(ieattr); + setup->vendor_ie_len = nla_len(ieattr); + } + + return 0; +} + +static int nl80211_update_mesh_config(struct sk_buff *skb, struct genl_info *info) { struct cfg80211_registered_device *rdev = info->user_ptr[0]; @@ -2756,10 +2912,10 @@ static int nl80211_update_mesh_params(struct sk_buff *skb, if (wdev->iftype != NL80211_IFTYPE_MESH_POINT) return -EOPNOTSUPP; - if (!rdev->ops->update_mesh_params) + if (!rdev->ops->update_mesh_config) return -EOPNOTSUPP; - err = nl80211_parse_mesh_params(info, &cfg, &mask); + err = nl80211_parse_mesh_config(info, &cfg, &mask); if (err) return err; @@ -2768,7 +2924,7 @@ static int nl80211_update_mesh_params(struct sk_buff *skb, err = -ENOLINK; if (!err) - err = rdev->ops->update_mesh_params(&rdev->wiphy, dev, + err = rdev->ops->update_mesh_config(&rdev->wiphy, dev, mask, &cfg); wdev_unlock(wdev); @@ -4128,7 +4284,8 @@ static int nl80211_remain_on_channel(struct sk_buff *skb, * We should be on that channel for at least one jiffie, * and more than 5 seconds seems excessive. */ - if (!duration || !msecs_to_jiffies(duration) || duration > 5000) + if (!duration || !msecs_to_jiffies(duration) || + duration > rdev->wiphy.max_remain_on_channel_duration) return -EINVAL; if (!rdev->ops->remain_on_channel) @@ -4296,6 +4453,7 @@ static int nl80211_register_mgmt(struct sk_buff *skb, struct genl_info *info) dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT && dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP && dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP_VLAN && + dev->ieee80211_ptr->iftype != NL80211_IFTYPE_MESH_POINT && dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO) return -EOPNOTSUPP; @@ -4336,6 +4494,7 @@ static int nl80211_tx_mgmt(struct sk_buff *skb, struct genl_info *info) dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT && dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP && dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP_VLAN && + dev->ieee80211_ptr->iftype != NL80211_IFTYPE_MESH_POINT && dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO) return -EOPNOTSUPP; @@ -4562,14 +4721,16 @@ static int nl80211_join_mesh(struct sk_buff *skb, struct genl_info *info) struct cfg80211_registered_device *rdev = info->user_ptr[0]; struct net_device *dev = info->user_ptr[1]; struct mesh_config cfg; + struct mesh_setup setup; int err; /* start with default */ memcpy(&cfg, &default_mesh_config, sizeof(cfg)); + memcpy(&setup, &default_mesh_setup, sizeof(setup)); - if (info->attrs[NL80211_ATTR_MESH_PARAMS]) { + if (info->attrs[NL80211_ATTR_MESH_CONFIG]) { /* and parse parameters if given */ - err = nl80211_parse_mesh_params(info, &cfg, NULL); + err = nl80211_parse_mesh_config(info, &cfg, NULL); if (err) return err; } @@ -4578,10 +4739,17 @@ static int nl80211_join_mesh(struct sk_buff *skb, struct genl_info *info) !nla_len(info->attrs[NL80211_ATTR_MESH_ID])) return -EINVAL; - return cfg80211_join_mesh(rdev, dev, - nla_data(info->attrs[NL80211_ATTR_MESH_ID]), - nla_len(info->attrs[NL80211_ATTR_MESH_ID]), - &cfg); + setup.mesh_id = nla_data(info->attrs[NL80211_ATTR_MESH_ID]); + setup.mesh_id_len = nla_len(info->attrs[NL80211_ATTR_MESH_ID]); + + if (info->attrs[NL80211_ATTR_MESH_SETUP]) { + /* parse additional setup parameters if given */ + err = nl80211_parse_mesh_setup(info, &setup); + if (err) + return err; + } + + return cfg80211_join_mesh(rdev, dev, &setup, &cfg); } static int nl80211_leave_mesh(struct sk_buff *skb, struct genl_info *info) @@ -4847,16 +5015,16 @@ static struct genl_ops nl80211_ops[] = { .flags = GENL_ADMIN_PERM, }, { - .cmd = NL80211_CMD_GET_MESH_PARAMS, - .doit = nl80211_get_mesh_params, + .cmd = NL80211_CMD_GET_MESH_CONFIG, + .doit = nl80211_get_mesh_config, .policy = nl80211_policy, /* can be retrieved by unprivileged users */ .internal_flags = NL80211_FLAG_NEED_NETDEV | NL80211_FLAG_NEED_RTNL, }, { - .cmd = NL80211_CMD_SET_MESH_PARAMS, - .doit = nl80211_update_mesh_params, + .cmd = NL80211_CMD_SET_MESH_CONFIG, + .doit = nl80211_update_mesh_config, .policy = nl80211_policy, .flags = GENL_ADMIN_PERM, .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | @@ -5368,6 +5536,22 @@ void nl80211_send_disassoc(struct cfg80211_registered_device *rdev, NL80211_CMD_DISASSOCIATE, gfp); } +void nl80211_send_unprot_deauth(struct cfg80211_registered_device *rdev, + struct net_device *netdev, const u8 *buf, + size_t len, gfp_t gfp) +{ + nl80211_send_mlme_event(rdev, netdev, buf, len, + NL80211_CMD_UNPROT_DEAUTHENTICATE, gfp); +} + +void nl80211_send_unprot_disassoc(struct cfg80211_registered_device *rdev, + struct net_device *netdev, const u8 *buf, + size_t len, gfp_t gfp) +{ + nl80211_send_mlme_event(rdev, netdev, buf, len, + NL80211_CMD_UNPROT_DISASSOCIATE, gfp); +} + static void nl80211_send_mlme_timeout(struct cfg80211_registered_device *rdev, struct net_device *netdev, int cmd, const u8 *addr, gfp_t gfp) diff --git a/net/wireless/nl80211.h b/net/wireless/nl80211.h index 16c2f7190768..e3f7fa886966 100644 --- a/net/wireless/nl80211.h +++ b/net/wireless/nl80211.h @@ -25,6 +25,12 @@ void nl80211_send_deauth(struct cfg80211_registered_device *rdev, void nl80211_send_disassoc(struct cfg80211_registered_device *rdev, struct net_device *netdev, const u8 *buf, size_t len, gfp_t gfp); +void nl80211_send_unprot_deauth(struct cfg80211_registered_device *rdev, + struct net_device *netdev, + const u8 *buf, size_t len, gfp_t gfp); +void nl80211_send_unprot_disassoc(struct cfg80211_registered_device *rdev, + struct net_device *netdev, + const u8 *buf, size_t len, gfp_t gfp); void nl80211_send_auth_timeout(struct cfg80211_registered_device *rdev, struct net_device *netdev, const u8 *addr, gfp_t gfp); diff --git a/net/wireless/reg.c b/net/wireless/reg.c index 5ed615f94e0c..37693b6ef23a 100644 --- a/net/wireless/reg.c +++ b/net/wireless/reg.c @@ -661,7 +661,8 @@ static int freq_reg_info_regd(struct wiphy *wiphy, * Follow the driver's regulatory domain, if present, unless a country * IE has been processed or a user wants to help complaince further */ - if (last_request->initiator != NL80211_REGDOM_SET_BY_COUNTRY_IE && + if (!custom_regd && + last_request->initiator != NL80211_REGDOM_SET_BY_COUNTRY_IE && last_request->initiator != NL80211_REGDOM_SET_BY_USER && wiphy->regd) regd = wiphy->regd; @@ -751,7 +752,7 @@ static void chan_reg_rule_print_dbg(struct ieee80211_channel *chan, snprintf(max_antenna_gain, 32, "%d", power_rule->max_antenna_gain); REG_DBG_PRINT("Updating information on frequency %d MHz " - "for %d a MHz width channel with regulatory rule:\n", + "for a %d MHz width channel with regulatory rule:\n", chan->center_freq, KHZ_TO_MHZ(desired_bw_khz)); diff --git a/net/wireless/scan.c b/net/wireless/scan.c index 503ebb86ba18..ea427f418f64 100644 --- a/net/wireless/scan.c +++ b/net/wireless/scan.c @@ -464,6 +464,9 @@ cfg80211_bss_update(struct cfg80211_registered_device *dev, if (res->pub.beacon_ies) { size_t used = dev->wiphy.bss_priv_size + sizeof(*res); size_t ielen = res->pub.len_beacon_ies; + bool information_elements_is_beacon_ies = + (found->pub.information_elements == + found->pub.beacon_ies); if (found->pub.beacon_ies && !found->beacon_ies_allocated && @@ -487,6 +490,14 @@ cfg80211_bss_update(struct cfg80211_registered_device *dev, found->pub.len_beacon_ies = ielen; } } + + /* Override IEs if they were from a beacon before */ + if (information_elements_is_beacon_ies) { + found->pub.information_elements = + found->pub.beacon_ies; + found->pub.len_information_elements = + found->pub.len_beacon_ies; + } } kref_put(&res->ref, bss_release); diff --git a/net/wireless/util.c b/net/wireless/util.c index 4de624ca4c63..7620ae2fcf18 100644 --- a/net/wireless/util.c +++ b/net/wireless/util.c @@ -689,7 +689,8 @@ void cfg80211_upload_connect_keys(struct wireless_dev *wdev) continue; } if (wdev->connect_keys->def == i) - if (rdev->ops->set_default_key(wdev->wiphy, dev, i)) { + if (rdev->ops->set_default_key(wdev->wiphy, dev, + i, true, true)) { netdev_err(dev, "failed to set defkey %d\n", i); continue; } diff --git a/net/wireless/wext-compat.c b/net/wireless/wext-compat.c index 12222ee6ebf2..3e5dbd4e4cd5 100644 --- a/net/wireless/wext-compat.c +++ b/net/wireless/wext-compat.c @@ -548,8 +548,8 @@ static int __cfg80211_set_encryption(struct cfg80211_registered_device *rdev, __cfg80211_leave_ibss(rdev, wdev->netdev, true); rejoin = true; } - err = rdev->ops->set_default_key(&rdev->wiphy, - dev, idx); + err = rdev->ops->set_default_key(&rdev->wiphy, dev, + idx, true, true); } if (!err) { wdev->wext.default_key = idx; @@ -627,8 +627,8 @@ int cfg80211_wext_siwencode(struct net_device *dev, err = 0; wdev_lock(wdev); if (wdev->current_bss) - err = rdev->ops->set_default_key(&rdev->wiphy, - dev, idx); + err = rdev->ops->set_default_key(&rdev->wiphy, dev, + idx, true, true); if (!err) wdev->wext.default_key = idx; wdev_unlock(wdev); diff --git a/net/xfrm/xfrm_user.c b/net/xfrm/xfrm_user.c index 8eb889510916..61291965c5f6 100644 --- a/net/xfrm/xfrm_user.c +++ b/net/xfrm/xfrm_user.c @@ -26,6 +26,7 @@ #include <net/sock.h> #include <net/xfrm.h> #include <net/netlink.h> +#include <net/ah.h> #include <asm/uaccess.h> #if defined(CONFIG_IPV6) || defined(CONFIG_IPV6_MODULE) #include <linux/in6.h> @@ -302,7 +303,8 @@ static int attach_auth_trunc(struct xfrm_algo_auth **algpp, u8 *props, algo = xfrm_aalg_get_byname(ualg->alg_name, 1); if (!algo) return -ENOSYS; - if (ualg->alg_trunc_len > algo->uinfo.auth.icv_fullbits) + if ((ualg->alg_trunc_len / 8) > MAX_AH_AUTH_LEN || + ualg->alg_trunc_len > algo->uinfo.auth.icv_fullbits) return -EINVAL; *props = algo->desc.sadb_alg_id; |