diff options
Diffstat (limited to 'net')
177 files changed, 2310 insertions, 983 deletions
diff --git a/net/8021q/vlan_netlink.c b/net/8021q/vlan_netlink.c index 343146e1bceb..a91504850195 100644 --- a/net/8021q/vlan_netlink.c +++ b/net/8021q/vlan_netlink.c @@ -169,6 +169,7 @@ static size_t vlan_get_size(const struct net_device *dev) struct vlan_dev_info *vlan = vlan_dev_info(dev); return nla_total_size(2) + /* IFLA_VLAN_ID */ + sizeof(struct ifla_vlan_flags) + /* IFLA_VLAN_FLAGS */ vlan_qos_map_size(vlan->nr_ingress_mappings) + vlan_qos_map_size(vlan->nr_egress_mappings); } diff --git a/net/9p/trans_virtio.c b/net/9p/trans_virtio.c index 9bf0b737aa51..b2e07f0dd298 100644 --- a/net/9p/trans_virtio.c +++ b/net/9p/trans_virtio.c @@ -43,6 +43,7 @@ #include <net/9p/transport.h> #include <linux/scatterlist.h> #include <linux/virtio.h> +#include <linux/virtio_ids.h> #include <linux/virtio_9p.h> #define VIRTQUEUE_NUM 128 @@ -200,7 +201,7 @@ p9_virtio_request(struct p9_client *client, struct p9_req_t *req) req->status = REQ_STATUS_SENT; - if (chan->vq->vq_ops->add_buf(chan->vq, chan->sg, out, in, req->tc)) { + if (chan->vq->vq_ops->add_buf(chan->vq, chan->sg, out, in, req->tc) < 0) { P9_DPRINTK(P9_DEBUG_TRANS, "9p debug: virtio rpc add_buf returned failure"); return -EIO; @@ -334,8 +335,6 @@ static void p9_virtio_remove(struct virtio_device *vdev) } } -#define VIRTIO_ID_9P 9 - static struct virtio_device_id id_table[] = { { VIRTIO_ID_9P, VIRTIO_DEV_ANY_ID }, { 0 }, diff --git a/net/appletalk/ddp.c b/net/appletalk/ddp.c index 4a6ff2ba4d07..b1a4290996b5 100644 --- a/net/appletalk/ddp.c +++ b/net/appletalk/ddp.c @@ -1372,7 +1372,7 @@ static int atalk_route_packet(struct sk_buff *skb, struct net_device *dev, if (aarp_send_ddp(rt->dev, skb, &ta, NULL) == NET_XMIT_DROP) return NET_RX_DROP; - return NET_XMIT_SUCCESS; + return NET_RX_SUCCESS; free_it: kfree_skb(skb); drop: diff --git a/net/atm/common.c b/net/atm/common.c index 8c4d843eb17f..950bd16d2383 100644 --- a/net/atm/common.c +++ b/net/atm/common.c @@ -679,7 +679,7 @@ static int check_qos(const struct atm_qos *qos) } int vcc_setsockopt(struct socket *sock, int level, int optname, - char __user *optval, int optlen) + char __user *optval, unsigned int optlen) { struct atm_vcc *vcc; unsigned long value; diff --git a/net/atm/common.h b/net/atm/common.h index 92e2981f479f..f48a76b6cdf4 100644 --- a/net/atm/common.h +++ b/net/atm/common.h @@ -21,7 +21,7 @@ unsigned int vcc_poll(struct file *file, struct socket *sock, poll_table *wait); int vcc_ioctl(struct socket *sock, unsigned int cmd, unsigned long arg); int vcc_compat_ioctl(struct socket *sock, unsigned int cmd, unsigned long arg); int vcc_setsockopt(struct socket *sock, int level, int optname, - char __user *optval, int optlen); + char __user *optval, unsigned int optlen); int vcc_getsockopt(struct socket *sock, int level, int optname, char __user *optval, int __user *optlen); diff --git a/net/atm/pvc.c b/net/atm/pvc.c index e1d22d9430dd..d4c024504f99 100644 --- a/net/atm/pvc.c +++ b/net/atm/pvc.c @@ -59,7 +59,7 @@ static int pvc_connect(struct socket *sock,struct sockaddr *sockaddr, } static int pvc_setsockopt(struct socket *sock, int level, int optname, - char __user *optval, int optlen) + char __user *optval, unsigned int optlen) { struct sock *sk = sock->sk; int error; diff --git a/net/atm/svc.c b/net/atm/svc.c index 7b831b526d0b..f90d143c4b25 100644 --- a/net/atm/svc.c +++ b/net/atm/svc.c @@ -446,7 +446,7 @@ int svc_change_qos(struct atm_vcc *vcc,struct atm_qos *qos) static int svc_setsockopt(struct socket *sock, int level, int optname, - char __user *optval, int optlen) + char __user *optval, unsigned int optlen) { struct sock *sk = sock->sk; struct atm_vcc *vcc = ATM_SD(sock); diff --git a/net/ax25/af_ax25.c b/net/ax25/af_ax25.c index da0f64f82b57..f45460730371 100644 --- a/net/ax25/af_ax25.c +++ b/net/ax25/af_ax25.c @@ -358,6 +358,7 @@ static int ax25_ctl_ioctl(const unsigned int cmd, void __user *arg) ax25_dev *ax25_dev; ax25_cb *ax25; unsigned int k; + int ret = 0; if (copy_from_user(&ax25_ctl, arg, sizeof(ax25_ctl))) return -EFAULT; @@ -388,57 +389,63 @@ static int ax25_ctl_ioctl(const unsigned int cmd, void __user *arg) case AX25_WINDOW: if (ax25->modulus == AX25_MODULUS) { if (ax25_ctl.arg < 1 || ax25_ctl.arg > 7) - return -EINVAL; + goto einval_put; } else { if (ax25_ctl.arg < 1 || ax25_ctl.arg > 63) - return -EINVAL; + goto einval_put; } ax25->window = ax25_ctl.arg; break; case AX25_T1: if (ax25_ctl.arg < 1) - return -EINVAL; + goto einval_put; ax25->rtt = (ax25_ctl.arg * HZ) / 2; ax25->t1 = ax25_ctl.arg * HZ; break; case AX25_T2: if (ax25_ctl.arg < 1) - return -EINVAL; + goto einval_put; ax25->t2 = ax25_ctl.arg * HZ; break; case AX25_N2: if (ax25_ctl.arg < 1 || ax25_ctl.arg > 31) - return -EINVAL; + goto einval_put; ax25->n2count = 0; ax25->n2 = ax25_ctl.arg; break; case AX25_T3: if (ax25_ctl.arg < 0) - return -EINVAL; + goto einval_put; ax25->t3 = ax25_ctl.arg * HZ; break; case AX25_IDLE: if (ax25_ctl.arg < 0) - return -EINVAL; + goto einval_put; ax25->idle = ax25_ctl.arg * 60 * HZ; break; case AX25_PACLEN: if (ax25_ctl.arg < 16 || ax25_ctl.arg > 65535) - return -EINVAL; + goto einval_put; ax25->paclen = ax25_ctl.arg; break; default: - return -EINVAL; + goto einval_put; } - return 0; +out_put: + ax25_cb_put(ax25); + return ret; + +einval_put: + ret = -EINVAL; + goto out_put; } static void ax25_fillin_cb_from_dev(ax25_cb *ax25, ax25_dev *ax25_dev) @@ -527,7 +534,7 @@ ax25_cb *ax25_create_cb(void) */ static int ax25_setsockopt(struct socket *sock, int level, int optname, - char __user *optval, int optlen) + char __user *optval, unsigned int optlen) { struct sock *sk = sock->sk; ax25_cb *ax25; @@ -634,15 +641,10 @@ static int ax25_setsockopt(struct socket *sock, int level, int optname, case SO_BINDTODEVICE: if (optlen > IFNAMSIZ) - optlen=IFNAMSIZ; - if (copy_from_user(devname, optval, optlen)) { - res = -EFAULT; - break; - } + optlen = IFNAMSIZ; - dev = dev_get_by_name(&init_net, devname); - if (dev == NULL) { - res = -ENODEV; + if (copy_from_user(devname, optval, optlen)) { + res = -EFAULT; break; } @@ -650,12 +652,18 @@ static int ax25_setsockopt(struct socket *sock, int level, int optname, (sock->state != SS_UNCONNECTED || sk->sk_state == TCP_LISTEN)) { res = -EADDRNOTAVAIL; - dev_put(dev); + break; + } + + dev = dev_get_by_name(&init_net, devname); + if (!dev) { + res = -ENODEV; break; } ax25->ax25_dev = ax25_dev_ax25dev(dev); ax25_fillin_cb(ax25, ax25->ax25_dev); + dev_put(dev); break; default: @@ -893,7 +901,6 @@ struct sock *ax25_make_new(struct sock *osk, struct ax25_dev *ax25_dev) sock_init_data(NULL, sk); - sk->sk_destruct = ax25_free_sock; sk->sk_type = osk->sk_type; sk->sk_priority = osk->sk_priority; sk->sk_protocol = osk->sk_protocol; @@ -931,6 +938,7 @@ struct sock *ax25_make_new(struct sock *osk, struct ax25_dev *ax25_dev) } sk->sk_protinfo = ax25; + sk->sk_destruct = ax25_free_sock; ax25->sk = sk; return sk; @@ -1781,8 +1789,8 @@ static int ax25_ioctl(struct socket *sock, unsigned int cmd, unsigned long arg) ax25_info.idletimer = ax25_display_timer(&ax25->idletimer) / (60 * HZ); ax25_info.n2count = ax25->n2count; ax25_info.state = ax25->state; - ax25_info.rcv_q = sk_wmem_alloc_get(sk); - ax25_info.snd_q = sk_rmem_alloc_get(sk); + ax25_info.rcv_q = sk_rmem_alloc_get(sk); + ax25_info.snd_q = sk_wmem_alloc_get(sk); ax25_info.vs = ax25->vs; ax25_info.vr = ax25->vr; ax25_info.va = ax25->va; diff --git a/net/bluetooth/hci_sock.c b/net/bluetooth/hci_sock.c index 4f9621f759a0..75302a986067 100644 --- a/net/bluetooth/hci_sock.c +++ b/net/bluetooth/hci_sock.c @@ -466,7 +466,7 @@ drop: goto done; } -static int hci_sock_setsockopt(struct socket *sock, int level, int optname, char __user *optval, int len) +static int hci_sock_setsockopt(struct socket *sock, int level, int optname, char __user *optval, unsigned int len) { struct hci_ufilter uf = { .opcode = 0 }; struct sock *sk = sock->sk; diff --git a/net/bluetooth/hci_sysfs.c b/net/bluetooth/hci_sysfs.c index 95f7a7a544b4..7f939ce29801 100644 --- a/net/bluetooth/hci_sysfs.c +++ b/net/bluetooth/hci_sysfs.c @@ -68,7 +68,7 @@ static struct attribute_group bt_link_group = { .attrs = bt_link_attrs, }; -static struct attribute_group *bt_link_groups[] = { +static const struct attribute_group *bt_link_groups[] = { &bt_link_group, NULL }; @@ -392,7 +392,7 @@ static struct attribute_group bt_host_group = { .attrs = bt_host_attrs, }; -static struct attribute_group *bt_host_groups[] = { +static const struct attribute_group *bt_host_groups[] = { &bt_host_group, NULL }; diff --git a/net/bluetooth/hidp/core.c b/net/bluetooth/hidp/core.c index 09bedeb5579c..49d8495d69be 100644 --- a/net/bluetooth/hidp/core.c +++ b/net/bluetooth/hidp/core.c @@ -577,11 +577,6 @@ static int hidp_session(void *arg) } if (session->hid) { - if (session->hid->claimed & HID_CLAIMED_INPUT) - hidinput_disconnect(session->hid); - if (session->hid->claimed & HID_CLAIMED_HIDRAW) - hidraw_disconnect(session->hid); - hid_destroy_device(session->hid); session->hid = NULL; } @@ -747,8 +742,6 @@ static void hidp_stop(struct hid_device *hid) skb_queue_purge(&session->ctrl_transmit); skb_queue_purge(&session->intr_transmit); - if (hid->claimed & HID_CLAIMED_INPUT) - hidinput_disconnect(hid); hid->claimed = 0; } diff --git a/net/bluetooth/l2cap.c b/net/bluetooth/l2cap.c index b03012564647..555d9da1869b 100644 --- a/net/bluetooth/l2cap.c +++ b/net/bluetooth/l2cap.c @@ -1698,7 +1698,7 @@ static int l2cap_sock_recvmsg(struct kiocb *iocb, struct socket *sock, struct ms return bt_sock_recvmsg(iocb, sock, msg, len, flags); } -static int l2cap_sock_setsockopt_old(struct socket *sock, int optname, char __user *optval, int optlen) +static int l2cap_sock_setsockopt_old(struct socket *sock, int optname, char __user *optval, unsigned int optlen) { struct sock *sk = sock->sk; struct l2cap_options opts; @@ -1755,7 +1755,7 @@ static int l2cap_sock_setsockopt_old(struct socket *sock, int optname, char __us return err; } -static int l2cap_sock_setsockopt(struct socket *sock, int level, int optname, char __user *optval, int optlen) +static int l2cap_sock_setsockopt(struct socket *sock, int level, int optname, char __user *optval, unsigned int optlen) { struct sock *sk = sock->sk; struct bt_security sec; diff --git a/net/bluetooth/rfcomm/sock.c b/net/bluetooth/rfcomm/sock.c index 0b85e8116859..8a20aaf1f231 100644 --- a/net/bluetooth/rfcomm/sock.c +++ b/net/bluetooth/rfcomm/sock.c @@ -730,7 +730,7 @@ out: return copied ? : err; } -static int rfcomm_sock_setsockopt_old(struct socket *sock, int optname, char __user *optval, int optlen) +static int rfcomm_sock_setsockopt_old(struct socket *sock, int optname, char __user *optval, unsigned int optlen) { struct sock *sk = sock->sk; int err = 0; @@ -766,7 +766,7 @@ static int rfcomm_sock_setsockopt_old(struct socket *sock, int optname, char __u return err; } -static int rfcomm_sock_setsockopt(struct socket *sock, int level, int optname, char __user *optval, int optlen) +static int rfcomm_sock_setsockopt(struct socket *sock, int level, int optname, char __user *optval, unsigned int optlen) { struct sock *sk = sock->sk; struct bt_security sec; diff --git a/net/bluetooth/sco.c b/net/bluetooth/sco.c index 13c27f17192c..77f4153bdb5e 100644 --- a/net/bluetooth/sco.c +++ b/net/bluetooth/sco.c @@ -644,7 +644,7 @@ static int sco_sock_sendmsg(struct kiocb *iocb, struct socket *sock, return err; } -static int sco_sock_setsockopt(struct socket *sock, int level, int optname, char __user *optval, int optlen) +static int sco_sock_setsockopt(struct socket *sock, int level, int optname, char __user *optval, unsigned int optlen) { struct sock *sk = sock->sk; int err = 0; diff --git a/net/bridge/br_if.c b/net/bridge/br_if.c index 142ebac14176..b1b3b0fbf41c 100644 --- a/net/bridge/br_if.c +++ b/net/bridge/br_if.c @@ -432,6 +432,7 @@ err2: br_fdb_delete_by_port(br, p, 1); err1: kobject_put(&p->kobj); + p = NULL; /* kobject_put frees */ err0: dev_set_promiscuity(dev, -1); put_back: diff --git a/net/bridge/br_netfilter.c b/net/bridge/br_netfilter.c index 907a82e9023d..a16a2342f6bf 100644 --- a/net/bridge/br_netfilter.c +++ b/net/bridge/br_netfilter.c @@ -965,12 +965,12 @@ static struct nf_hook_ops br_nf_ops[] __read_mostly = { #ifdef CONFIG_SYSCTL static -int brnf_sysctl_call_tables(ctl_table * ctl, int write, struct file *filp, +int brnf_sysctl_call_tables(ctl_table * ctl, int write, void __user * buffer, size_t * lenp, loff_t * ppos) { int ret; - ret = proc_dointvec(ctl, write, filp, buffer, lenp, ppos); + ret = proc_dointvec(ctl, write, buffer, lenp, ppos); if (write && *(int *)(ctl->data)) *(int *)(ctl->data) = 1; diff --git a/net/can/af_can.c b/net/can/af_can.c index ef1c43a2ed56..606832115674 100644 --- a/net/can/af_can.c +++ b/net/can/af_can.c @@ -199,6 +199,8 @@ static int can_create(struct net *net, struct socket *sock, int protocol) * @skb: pointer to socket buffer with CAN frame in data section * @loop: loopback for listeners on local CAN sockets (recommended default!) * + * Due to the loopback this routine must not be called from hardirq context. + * * Return: * 0 on success * -ENETDOWN when the selected interface is down @@ -278,7 +280,7 @@ int can_send(struct sk_buff *skb, int loop) } if (newskb) - netif_rx(newskb); + netif_rx_ni(newskb); /* update statistics */ can_stats.tx_frames++; diff --git a/net/can/raw.c b/net/can/raw.c index db3152df7d2b..b5e897922d32 100644 --- a/net/can/raw.c +++ b/net/can/raw.c @@ -411,7 +411,7 @@ static int raw_getname(struct socket *sock, struct sockaddr *uaddr, } static int raw_setsockopt(struct socket *sock, int level, int optname, - char __user *optval, int optlen) + char __user *optval, unsigned int optlen) { struct sock *sk = sock->sk; struct raw_sock *ro = raw_sk(sk); diff --git a/net/compat.c b/net/compat.c index 12728b17a226..a407c3addbae 100644 --- a/net/compat.c +++ b/net/compat.c @@ -331,7 +331,7 @@ struct compat_sock_fprog { }; static int do_set_attach_filter(struct socket *sock, int level, int optname, - char __user *optval, int optlen) + char __user *optval, unsigned int optlen) { struct compat_sock_fprog __user *fprog32 = (struct compat_sock_fprog __user *)optval; struct sock_fprog __user *kfprog = compat_alloc_user_space(sizeof(struct sock_fprog)); @@ -351,7 +351,7 @@ static int do_set_attach_filter(struct socket *sock, int level, int optname, } static int do_set_sock_timeout(struct socket *sock, int level, - int optname, char __user *optval, int optlen) + int optname, char __user *optval, unsigned int optlen) { struct compat_timeval __user *up = (struct compat_timeval __user *) optval; struct timeval ktime; @@ -373,7 +373,7 @@ static int do_set_sock_timeout(struct socket *sock, int level, } static int compat_sock_setsockopt(struct socket *sock, int level, int optname, - char __user *optval, int optlen) + char __user *optval, unsigned int optlen) { if (optname == SO_ATTACH_FILTER) return do_set_attach_filter(sock, level, optname, @@ -385,7 +385,7 @@ static int compat_sock_setsockopt(struct socket *sock, int level, int optname, } asmlinkage long compat_sys_setsockopt(int fd, int level, int optname, - char __user *optval, int optlen) + char __user *optval, unsigned int optlen) { int err; struct socket *sock; @@ -558,8 +558,8 @@ struct compat_group_filter { int compat_mc_setsockopt(struct sock *sock, int level, int optname, - char __user *optval, int optlen, - int (*setsockopt)(struct sock *,int,int,char __user *,int)) + char __user *optval, unsigned int optlen, + int (*setsockopt)(struct sock *,int,int,char __user *,unsigned int)) { char __user *koptval = optval; int koptlen = optlen; diff --git a/net/core/dev.c b/net/core/dev.c index 84945470ab38..b8f74cfb1bfd 100644 --- a/net/core/dev.c +++ b/net/core/dev.c @@ -1017,9 +1017,9 @@ void netdev_state_change(struct net_device *dev) } EXPORT_SYMBOL(netdev_state_change); -void netdev_bonding_change(struct net_device *dev) +void netdev_bonding_change(struct net_device *dev, unsigned long event) { - call_netdevice_notifiers(NETDEV_BONDING_FAILOVER, dev); + call_netdevice_notifiers(event, dev); } EXPORT_SYMBOL(netdev_bonding_change); @@ -2288,6 +2288,9 @@ int netif_receive_skb(struct sk_buff *skb) int ret = NET_RX_DROP; __be16 type; + if (!skb->tstamp.tv64) + net_timestamp(skb); + if (skb->vlan_tci && vlan_hwaccel_do_receive(skb)) return NET_RX_SUCCESS; @@ -2295,9 +2298,6 @@ int netif_receive_skb(struct sk_buff *skb) if (netpoll_receive_skb(skb)) return NET_RX_DROP; - if (!skb->tstamp.tv64) - net_timestamp(skb); - if (!skb->iif) skb->iif = skb->dev->ifindex; diff --git a/net/core/net-sysfs.c b/net/core/net-sysfs.c index ad91e9e5f475..427ded841224 100644 --- a/net/core/net-sysfs.c +++ b/net/core/net-sysfs.c @@ -16,7 +16,7 @@ #include <net/sock.h> #include <linux/rtnetlink.h> #include <linux/wireless.h> -#include <net/iw_handler.h> +#include <net/wext.h> #include "net-sysfs.h" @@ -363,18 +363,16 @@ static ssize_t wireless_show(struct device *d, char *buf, char *)) { struct net_device *dev = to_net_dev(d); - const struct iw_statistics *iw = NULL; + const struct iw_statistics *iw; ssize_t ret = -EINVAL; - read_lock(&dev_base_lock); + rtnl_lock(); if (dev_isalive(dev)) { - if (dev->wireless_handlers && - dev->wireless_handlers->get_wireless_stats) - iw = dev->wireless_handlers->get_wireless_stats(dev); - if (iw != NULL) + iw = get_wireless_stats(dev); + if (iw) ret = (*format)(iw, buf); } - read_unlock(&dev_base_lock); + rtnl_unlock(); return ret; } @@ -493,7 +491,7 @@ void netdev_unregister_kobject(struct net_device * net) int netdev_register_kobject(struct net_device *net) { struct device *dev = &(net->dev); - struct attribute_group **groups = net->sysfs_groups; + const struct attribute_group **groups = net->sysfs_groups; dev->class = &net_class; dev->platform_data = net; @@ -505,7 +503,7 @@ int netdev_register_kobject(struct net_device *net) *groups++ = &netstat_group; #ifdef CONFIG_WIRELESS_EXT_SYSFS - if (net->wireless_handlers && net->wireless_handlers->get_wireless_stats) + if (net->wireless_handlers || net->ieee80211_ptr) *groups++ = &wireless_group; #endif #endif /* CONFIG_SYSFS */ diff --git a/net/core/pktgen.c b/net/core/pktgen.c index 0bcecbf06581..86acdba0a97d 100644 --- a/net/core/pktgen.c +++ b/net/core/pktgen.c @@ -192,11 +192,10 @@ #define F_QUEUE_MAP_CPU (1<<14) /* queue map mirrors smp_processor_id() */ /* Thread control flag bits */ -#define T_TERMINATE (1<<0) -#define T_STOP (1<<1) /* Stop run */ -#define T_RUN (1<<2) /* Start run */ -#define T_REMDEVALL (1<<3) /* Remove all devs */ -#define T_REMDEV (1<<4) /* Remove one dev */ +#define T_STOP (1<<0) /* Stop run */ +#define T_RUN (1<<1) /* Start run */ +#define T_REMDEVALL (1<<2) /* Remove all devs */ +#define T_REMDEV (1<<3) /* Remove one dev */ /* If lock -- can be removed after some work */ #define if_lock(t) spin_lock(&(t->if_lock)); @@ -965,7 +964,7 @@ static ssize_t pktgen_if_write(struct file *file, if (value == 0x7FFFFFFF) pkt_dev->delay = ULLONG_MAX; else - pkt_dev->delay = (u64)value * NSEC_PER_USEC; + pkt_dev->delay = (u64)value; sprintf(pg_result, "OK: delay=%llu", (unsigned long long) pkt_dev->delay); @@ -2105,18 +2104,20 @@ static void pktgen_setup_inject(struct pktgen_dev *pkt_dev) static void spin(struct pktgen_dev *pkt_dev, ktime_t spin_until) { - ktime_t start; - s32 remaining; + ktime_t start_time, end_time; + s64 remaining; struct hrtimer_sleeper t; hrtimer_init_on_stack(&t.timer, CLOCK_MONOTONIC, HRTIMER_MODE_ABS); hrtimer_set_expires(&t.timer, spin_until); remaining = ktime_to_us(hrtimer_expires_remaining(&t.timer)); - if (remaining <= 0) + if (remaining <= 0) { + pkt_dev->next_tx = ktime_add_ns(spin_until, pkt_dev->delay); return; + } - start = ktime_now(); + start_time = ktime_now(); if (remaining < 100) udelay(remaining); /* really small just spin */ else { @@ -2135,7 +2136,10 @@ static void spin(struct pktgen_dev *pkt_dev, ktime_t spin_until) } while (t.task && pkt_dev->running && !signal_pending(current)); __set_current_state(TASK_RUNNING); } - pkt_dev->idle_acc += ktime_to_ns(ktime_sub(ktime_now(), start)); + end_time = ktime_now(); + + pkt_dev->idle_acc += ktime_to_ns(ktime_sub(end_time, start_time)); + pkt_dev->next_tx = ktime_add_ns(end_time, pkt_dev->delay); } static inline void set_pkt_overhead(struct pktgen_dev *pkt_dev) @@ -2208,7 +2212,7 @@ static void set_cur_queue_map(struct pktgen_dev *pkt_dev) if (pkt_dev->flags & F_QUEUE_MAP_CPU) pkt_dev->cur_queue_map = smp_processor_id(); - else if (pkt_dev->queue_map_min < pkt_dev->queue_map_max) { + else if (pkt_dev->queue_map_min <= pkt_dev->queue_map_max) { __u16 t; if (pkt_dev->flags & F_QUEUE_MAP_RND) { t = random32() % @@ -3365,19 +3369,29 @@ static void pktgen_rem_thread(struct pktgen_thread *t) mutex_unlock(&pktgen_thread_lock); } -static void idle(struct pktgen_dev *pkt_dev) +static void pktgen_resched(struct pktgen_dev *pkt_dev) { ktime_t idle_start = ktime_now(); + schedule(); + pkt_dev->idle_acc += ktime_to_ns(ktime_sub(ktime_now(), idle_start)); +} - if (need_resched()) - schedule(); - else - cpu_relax(); +static void pktgen_wait_for_skb(struct pktgen_dev *pkt_dev) +{ + ktime_t idle_start = ktime_now(); + + while (atomic_read(&(pkt_dev->skb->users)) != 1) { + if (signal_pending(current)) + break; + if (need_resched()) + pktgen_resched(pkt_dev); + else + cpu_relax(); + } pkt_dev->idle_acc += ktime_to_ns(ktime_sub(ktime_now(), idle_start)); } - static void pktgen_xmit(struct pktgen_dev *pkt_dev) { struct net_device *odev = pkt_dev->odev; @@ -3387,36 +3401,21 @@ static void pktgen_xmit(struct pktgen_dev *pkt_dev) u16 queue_map; int ret; - if (pkt_dev->delay) { - spin(pkt_dev, pkt_dev->next_tx); - - /* This is max DELAY, this has special meaning of - * "never transmit" - */ - if (pkt_dev->delay == ULLONG_MAX) { - pkt_dev->next_tx = ktime_add_ns(ktime_now(), ULONG_MAX); - return; - } - } - - if (!pkt_dev->skb) { - set_cur_queue_map(pkt_dev); - queue_map = pkt_dev->cur_queue_map; - } else { - queue_map = skb_get_queue_mapping(pkt_dev->skb); + /* If device is offline, then don't send */ + if (unlikely(!netif_running(odev) || !netif_carrier_ok(odev))) { + pktgen_stop_device(pkt_dev); + return; } - txq = netdev_get_tx_queue(odev, queue_map); - /* Did we saturate the queue already? */ - if (netif_tx_queue_stopped(txq) || netif_tx_queue_frozen(txq)) { - /* If device is down, then all queues are permnantly frozen */ - if (netif_running(odev)) - idle(pkt_dev); - else - pktgen_stop_device(pkt_dev); + /* This is max DELAY, this has special meaning of + * "never transmit" + */ + if (unlikely(pkt_dev->delay == ULLONG_MAX)) { + pkt_dev->next_tx = ktime_add_ns(ktime_now(), ULONG_MAX); return; } + /* If no skb or clone count exhausted then get new one */ if (!pkt_dev->skb || (pkt_dev->last_ok && ++pkt_dev->clone_count >= pkt_dev->clone_skb)) { /* build a new pkt */ @@ -3435,54 +3434,45 @@ static void pktgen_xmit(struct pktgen_dev *pkt_dev) pkt_dev->clone_count = 0; /* reset counter */ } - /* fill_packet() might have changed the queue */ + if (pkt_dev->delay && pkt_dev->last_ok) + spin(pkt_dev, pkt_dev->next_tx); + queue_map = skb_get_queue_mapping(pkt_dev->skb); txq = netdev_get_tx_queue(odev, queue_map); __netif_tx_lock_bh(txq); - if (unlikely(netif_tx_queue_stopped(txq) || netif_tx_queue_frozen(txq))) - pkt_dev->last_ok = 0; - else { - atomic_inc(&(pkt_dev->skb->users)); + atomic_inc(&(pkt_dev->skb->users)); - retry_now: + if (unlikely(netif_tx_queue_stopped(txq) || netif_tx_queue_frozen(txq))) + ret = NETDEV_TX_BUSY; + else ret = (*xmit)(pkt_dev->skb, odev); - switch (ret) { - case NETDEV_TX_OK: - txq_trans_update(txq); - pkt_dev->last_ok = 1; - pkt_dev->sofar++; - pkt_dev->seq_num++; - pkt_dev->tx_bytes += pkt_dev->cur_pkt_size; - break; - case NETDEV_TX_LOCKED: - cpu_relax(); - goto retry_now; - default: /* Drivers are not supposed to return other values! */ - if (net_ratelimit()) - pr_info("pktgen: %s xmit error: %d\n", - odev->name, ret); - pkt_dev->errors++; - /* fallthru */ - case NETDEV_TX_BUSY: - /* Retry it next time */ - atomic_dec(&(pkt_dev->skb->users)); - pkt_dev->last_ok = 0; - } - - if (pkt_dev->delay) - pkt_dev->next_tx = ktime_add_ns(ktime_now(), - pkt_dev->delay); + + switch (ret) { + case NETDEV_TX_OK: + txq_trans_update(txq); + pkt_dev->last_ok = 1; + pkt_dev->sofar++; + pkt_dev->seq_num++; + pkt_dev->tx_bytes += pkt_dev->cur_pkt_size; + break; + default: /* Drivers are not supposed to return other values! */ + if (net_ratelimit()) + pr_info("pktgen: %s xmit error: %d\n", + odev->name, ret); + pkt_dev->errors++; + /* fallthru */ + case NETDEV_TX_LOCKED: + case NETDEV_TX_BUSY: + /* Retry it next time */ + atomic_dec(&(pkt_dev->skb->users)); + pkt_dev->last_ok = 0; } __netif_tx_unlock_bh(txq); /* If pkt_dev->count is zero, then run forever */ if ((pkt_dev->count != 0) && (pkt_dev->sofar >= pkt_dev->count)) { - while (atomic_read(&(pkt_dev->skb->users)) != 1) { - if (signal_pending(current)) - break; - idle(pkt_dev); - } + pktgen_wait_for_skb(pkt_dev); /* Done with this */ pktgen_stop_device(pkt_dev); @@ -3515,20 +3505,24 @@ static int pktgen_thread_worker(void *arg) while (!kthread_should_stop()) { pkt_dev = next_to_run(t); - if (!pkt_dev && - (t->control & (T_STOP | T_RUN | T_REMDEVALL | T_REMDEV)) - == 0) { - prepare_to_wait(&(t->queue), &wait, - TASK_INTERRUPTIBLE); - schedule_timeout(HZ / 10); - finish_wait(&(t->queue), &wait); + if (unlikely(!pkt_dev && t->control == 0)) { + wait_event_interruptible_timeout(t->queue, + t->control != 0, + HZ/10); + continue; } __set_current_state(TASK_RUNNING); - if (pkt_dev) + if (likely(pkt_dev)) { pktgen_xmit(pkt_dev); + if (need_resched()) + pktgen_resched(pkt_dev); + else + cpu_relax(); + } + if (t->control & T_STOP) { pktgen_stop(t); t->control &= ~(T_STOP); diff --git a/net/core/sock.c b/net/core/sock.c index 30d5446512f9..7626b6aacd68 100644 --- a/net/core/sock.c +++ b/net/core/sock.c @@ -446,7 +446,7 @@ static inline void sock_valbool_flag(struct sock *sk, int bit, int valbool) */ int sock_setsockopt(struct socket *sock, int level, int optname, - char __user *optval, int optlen) + char __user *optval, unsigned int optlen) { struct sock *sk = sock->sk; int val; @@ -1206,12 +1206,12 @@ EXPORT_SYMBOL_GPL(sk_setup_caps); void __init sk_init(void) { - if (num_physpages <= 4096) { + if (totalram_pages <= 4096) { sysctl_wmem_max = 32767; sysctl_rmem_max = 32767; sysctl_wmem_default = 32767; sysctl_rmem_default = 32767; - } else if (num_physpages >= 131072) { + } else if (totalram_pages >= 131072) { sysctl_wmem_max = 131071; sysctl_rmem_max = 131071; } @@ -1228,17 +1228,22 @@ void __init sk_init(void) void sock_wfree(struct sk_buff *skb) { struct sock *sk = skb->sk; - int res; + unsigned int len = skb->truesize; - /* In case it might be waiting for more memory. */ - res = atomic_sub_return(skb->truesize, &sk->sk_wmem_alloc); - if (!sock_flag(sk, SOCK_USE_WRITE_QUEUE)) + if (!sock_flag(sk, SOCK_USE_WRITE_QUEUE)) { + /* + * Keep a reference on sk_wmem_alloc, this will be released + * after sk_write_space() call + */ + atomic_sub(len - 1, &sk->sk_wmem_alloc); sk->sk_write_space(sk); + len = 1; + } /* - * if sk_wmem_alloc reached 0, we are last user and should - * free this sock, as sk_free() call could not do it. + * if sk_wmem_alloc reaches 0, we must finish what sk_free() + * could not do because of in-flight packets */ - if (res == 0) + if (atomic_sub_and_test(len, &sk->sk_wmem_alloc)) __sk_free(sk); } EXPORT_SYMBOL(sock_wfree); @@ -1697,7 +1702,7 @@ int sock_no_shutdown(struct socket *sock, int how) EXPORT_SYMBOL(sock_no_shutdown); int sock_no_setsockopt(struct socket *sock, int level, int optname, - char __user *optval, int optlen) + char __user *optval, unsigned int optlen) { return -EOPNOTSUPP; } @@ -2018,7 +2023,7 @@ EXPORT_SYMBOL(sock_common_recvmsg); * Set socket options on an inet socket. */ int sock_common_setsockopt(struct socket *sock, int level, int optname, - char __user *optval, int optlen) + char __user *optval, unsigned int optlen) { struct sock *sk = sock->sk; @@ -2028,7 +2033,7 @@ EXPORT_SYMBOL(sock_common_setsockopt); #ifdef CONFIG_COMPAT int compat_sock_common_setsockopt(struct socket *sock, int level, int optname, - char __user *optval, int optlen) + char __user *optval, unsigned int optlen) { struct sock *sk = sock->sk; diff --git a/net/dcb/dcbnl.c b/net/dcb/dcbnl.c index e0879bfb7dd5..ac1205df6c86 100644 --- a/net/dcb/dcbnl.c +++ b/net/dcb/dcbnl.c @@ -194,7 +194,7 @@ static int dcbnl_reply(u8 value, u8 event, u8 cmd, u8 attr, u32 pid, nlmsg_end(dcbnl_skb, nlh); ret = rtnl_unicast(dcbnl_skb, &init_net, pid); if (ret) - goto err; + return -EINVAL; return 0; nlmsg_failure: @@ -275,7 +275,7 @@ static int dcbnl_getpfccfg(struct net_device *netdev, struct nlattr **tb, ret = rtnl_unicast(dcbnl_skb, &init_net, pid); if (ret) - goto err; + goto err_out; return 0; nlmsg_failure: @@ -316,12 +316,11 @@ static int dcbnl_getperm_hwaddr(struct net_device *netdev, struct nlattr **tb, ret = rtnl_unicast(dcbnl_skb, &init_net, pid); if (ret) - goto err; + goto err_out; return 0; nlmsg_failure: -err: kfree_skb(dcbnl_skb); err_out: return -EINVAL; @@ -383,7 +382,7 @@ static int dcbnl_getcap(struct net_device *netdev, struct nlattr **tb, ret = rtnl_unicast(dcbnl_skb, &init_net, pid); if (ret) - goto err; + goto err_out; return 0; nlmsg_failure: @@ -460,7 +459,7 @@ static int dcbnl_getnumtcs(struct net_device *netdev, struct nlattr **tb, ret = rtnl_unicast(dcbnl_skb, &init_net, pid); if (ret) { ret = -EINVAL; - goto err; + goto err_out; } return 0; @@ -799,7 +798,7 @@ static int __dcbnl_pg_getcfg(struct net_device *netdev, struct nlattr **tb, ret = rtnl_unicast(dcbnl_skb, &init_net, pid); if (ret) - goto err; + goto err_out; return 0; @@ -1063,7 +1062,7 @@ static int dcbnl_bcn_getcfg(struct net_device *netdev, struct nlattr **tb, ret = rtnl_unicast(dcbnl_skb, &init_net, pid); if (ret) - goto err; + goto err_out; return 0; diff --git a/net/dccp/ccids/Kconfig b/net/dccp/ccids/Kconfig index 4b5db44970aa..8408398cd44e 100644 --- a/net/dccp/ccids/Kconfig +++ b/net/dccp/ccids/Kconfig @@ -66,9 +66,9 @@ config IP_DCCP_CCID3_RTO A value of 0 disables this feature by enforcing the value specified in RFC 3448. The following values have been suggested as bounds for experimental use: - * 16-20ms to match the typical multimedia inter-frame interval - * 100ms as a reasonable compromise [default] - * 1000ms corresponds to the lower TCP RTO bound (RFC 2988, 2.4) + * 16-20ms to match the typical multimedia inter-frame interval + * 100ms as a reasonable compromise [default] + * 1000ms corresponds to the lower TCP RTO bound (RFC 2988, 2.4) The default of 100ms is a compromise between a large value for efficient DCCP implementations, and a small value to avoid disrupting diff --git a/net/dccp/ccids/ccid2.c b/net/dccp/ccids/ccid2.c index d235294ace23..e8cf99e880b0 100644 --- a/net/dccp/ccids/ccid2.c +++ b/net/dccp/ccids/ccid2.c @@ -1,6 +1,4 @@ /* - * net/dccp/ccids/ccid2.c - * * Copyright (c) 2005, 2006 Andrea Bittau <a.bittau@cs.ucl.ac.uk> * * Changes to meet Linux coding standards, and DCCP infrastructure fixes. diff --git a/net/dccp/ccids/ccid2.h b/net/dccp/ccids/ccid2.h index 2c94ca029010..326ac90fb909 100644 --- a/net/dccp/ccids/ccid2.h +++ b/net/dccp/ccids/ccid2.h @@ -1,6 +1,4 @@ /* - * net/dccp/ccids/ccid2.h - * * Copyright (c) 2005 Andrea Bittau <a.bittau@cs.ucl.ac.uk> * * This program is free software; you can redistribute it and/or modify @@ -40,14 +38,14 @@ struct ccid2_seq { #define CCID2_SEQBUF_LEN 1024 #define CCID2_SEQBUF_MAX 128 -/** struct ccid2_hc_tx_sock - CCID2 TX half connection - * +/** + * struct ccid2_hc_tx_sock - CCID2 TX half connection * @ccid2hctx_{cwnd,ssthresh,pipe}: as per RFC 4341, section 5 * @ccid2hctx_packets_acked - Ack counter for deriving cwnd growth (RFC 3465) * @ccid2hctx_lastrtt -time RTT was last measured * @ccid2hctx_rpseq - last consecutive seqno * @ccid2hctx_rpdupack - dupacks since rpseq -*/ + */ struct ccid2_hc_tx_sock { u32 ccid2hctx_cwnd; u32 ccid2hctx_ssthresh; diff --git a/net/dccp/ccids/ccid3.c b/net/dccp/ccids/ccid3.c index f596ce149c3c..34dcc798c457 100644 --- a/net/dccp/ccids/ccid3.c +++ b/net/dccp/ccids/ccid3.c @@ -1,6 +1,4 @@ /* - * net/dccp/ccids/ccid3.c - * * Copyright (c) 2007 The University of Aberdeen, Scotland, UK * Copyright (c) 2005-7 The University of Waikato, Hamilton, New Zealand. * Copyright (c) 2005-7 Ian McDonald <ian.mcdonald@jandi.co.nz> @@ -750,7 +748,8 @@ static int ccid3_hc_rx_insert_options(struct sock *sk, struct sk_buff *skb) return 0; } -/** ccid3_first_li - Implements [RFC 3448, 6.3.1] +/** + * ccid3_first_li - Implements [RFC 5348, 6.3.1] * * Determine the length of the first loss interval via inverse lookup. * Assume that X_recv can be computed by the throughput equation diff --git a/net/dccp/ccids/ccid3.h b/net/dccp/ccids/ccid3.h index 49ca32bd7e79..e5a244143846 100644 --- a/net/dccp/ccids/ccid3.h +++ b/net/dccp/ccids/ccid3.h @@ -1,6 +1,4 @@ /* - * net/dccp/ccids/ccid3.h - * * Copyright (c) 2005-7 The University of Waikato, Hamilton, New Zealand. * Copyright (c) 2007 The University of Aberdeen, Scotland, UK * @@ -75,8 +73,8 @@ enum ccid3_hc_tx_states { TFRC_SSTATE_TERM, }; -/** struct ccid3_hc_tx_sock - CCID3 sender half-connection socket - * +/** + * struct ccid3_hc_tx_sock - CCID3 sender half-connection socket * @ccid3hctx_x - Current sending rate in 64 * bytes per second * @ccid3hctx_x_recv - Receive rate in 64 * bytes per second * @ccid3hctx_x_calc - Calculated rate in bytes per second @@ -119,9 +117,9 @@ struct ccid3_hc_tx_sock { static inline struct ccid3_hc_tx_sock *ccid3_hc_tx_sk(const struct sock *sk) { - struct ccid3_hc_tx_sock *hctx = ccid_priv(dccp_sk(sk)->dccps_hc_tx_ccid); - BUG_ON(hctx == NULL); - return hctx; + struct ccid3_hc_tx_sock *hctx = ccid_priv(dccp_sk(sk)->dccps_hc_tx_ccid); + BUG_ON(hctx == NULL); + return hctx; } /* TFRC receiver states */ @@ -131,22 +129,22 @@ enum ccid3_hc_rx_states { TFRC_RSTATE_TERM = 127, }; -/** struct ccid3_hc_rx_sock - CCID3 receiver half-connection socket - * - * @ccid3hcrx_x_recv - Receiver estimate of send rate (RFC 3448 4.3) - * @ccid3hcrx_rtt - Receiver estimate of rtt (non-standard) - * @ccid3hcrx_p - Current loss event rate (RFC 3448 5.4) - * @ccid3hcrx_last_counter - Tracks window counter (RFC 4342, 8.1) - * @ccid3hcrx_state - Receiver state, one of %ccid3_hc_rx_states - * @ccid3hcrx_bytes_recv - Total sum of DCCP payload bytes - * @ccid3hcrx_x_recv - Receiver estimate of send rate (RFC 3448, sec. 4.3) - * @ccid3hcrx_rtt - Receiver estimate of RTT - * @ccid3hcrx_tstamp_last_feedback - Time at which last feedback was sent - * @ccid3hcrx_tstamp_last_ack - Time at which last feedback was sent - * @ccid3hcrx_hist - Packet history (loss detection + RTT sampling) - * @ccid3hcrx_li_hist - Loss Interval database - * @ccid3hcrx_s - Received packet size in bytes - * @ccid3hcrx_pinv - Inverse of Loss Event Rate (RFC 4342, sec. 8.5) +/** + * struct ccid3_hc_rx_sock - CCID3 receiver half-connection socket + * @ccid3hcrx_x_recv - Receiver estimate of send rate (RFC 3448 4.3) + * @ccid3hcrx_rtt - Receiver estimate of rtt (non-standard) + * @ccid3hcrx_p - Current loss event rate (RFC 3448 5.4) + * @ccid3hcrx_last_counter - Tracks window counter (RFC 4342, 8.1) + * @ccid3hcrx_state - Receiver state, one of %ccid3_hc_rx_states + * @ccid3hcrx_bytes_recv - Total sum of DCCP payload bytes + * @ccid3hcrx_x_recv - Receiver estimate of send rate (RFC 3448, sec. 4.3) + * @ccid3hcrx_rtt - Receiver estimate of RTT + * @ccid3hcrx_tstamp_last_feedback - Time at which last feedback was sent + * @ccid3hcrx_tstamp_last_ack - Time at which last feedback was sent + * @ccid3hcrx_hist - Packet history (loss detection + RTT sampling) + * @ccid3hcrx_li_hist - Loss Interval database + * @ccid3hcrx_s - Received packet size in bytes + * @ccid3hcrx_pinv - Inverse of Loss Event Rate (RFC 4342, sec. 8.5) */ struct ccid3_hc_rx_sock { u8 ccid3hcrx_last_counter:4; @@ -163,9 +161,9 @@ struct ccid3_hc_rx_sock { static inline struct ccid3_hc_rx_sock *ccid3_hc_rx_sk(const struct sock *sk) { - struct ccid3_hc_rx_sock *hcrx = ccid_priv(dccp_sk(sk)->dccps_hc_rx_ccid); - BUG_ON(hcrx == NULL); - return hcrx; + struct ccid3_hc_rx_sock *hcrx = ccid_priv(dccp_sk(sk)->dccps_hc_rx_ccid); + BUG_ON(hcrx == NULL); + return hcrx; } #endif /* _DCCP_CCID3_H_ */ diff --git a/net/dccp/ccids/lib/loss_interval.c b/net/dccp/ccids/lib/loss_interval.c index 4d1e40127264..8fc3cbf79071 100644 --- a/net/dccp/ccids/lib/loss_interval.c +++ b/net/dccp/ccids/lib/loss_interval.c @@ -1,6 +1,4 @@ /* - * net/dccp/ccids/lib/loss_interval.c - * * Copyright (c) 2007 The University of Aberdeen, Scotland, UK * Copyright (c) 2005-7 The University of Waikato, Hamilton, New Zealand. * Copyright (c) 2005-7 Ian McDonald <ian.mcdonald@jandi.co.nz> @@ -21,7 +19,7 @@ static const int tfrc_lh_weights[NINTERVAL] = { 10, 10, 10, 10, 8, 6, 4, 2 }; /* implements LIFO semantics on the array */ static inline u8 LIH_INDEX(const u8 ctr) { - return (LIH_SIZE - 1 - (ctr % LIH_SIZE)); + return LIH_SIZE - 1 - (ctr % LIH_SIZE); } /* the `counter' index always points at the next entry to be populated */ @@ -129,7 +127,8 @@ static inline u8 tfrc_lh_is_new_loss(struct tfrc_loss_interval *cur, (cur->li_is_closed || SUB16(new_loss->tfrchrx_ccval, cur->li_ccval) > 4); } -/** tfrc_lh_interval_add - Insert new record into the Loss Interval database +/** + * tfrc_lh_interval_add - Insert new record into the Loss Interval database * @lh: Loss Interval database * @rh: Receive history containing a fresh loss event * @calc_first_li: Caller-dependent routine to compute length of first interval diff --git a/net/dccp/ccids/lib/loss_interval.h b/net/dccp/ccids/lib/loss_interval.h index 246018a3b269..d1d2f5383b7d 100644 --- a/net/dccp/ccids/lib/loss_interval.h +++ b/net/dccp/ccids/lib/loss_interval.h @@ -1,8 +1,6 @@ #ifndef _DCCP_LI_HIST_ #define _DCCP_LI_HIST_ /* - * net/dccp/ccids/lib/loss_interval.h - * * Copyright (c) 2007 The University of Aberdeen, Scotland, UK * Copyright (c) 2005-7 The University of Waikato, Hamilton, New Zealand. * Copyright (c) 2005-7 Ian McDonald <ian.mcdonald@jandi.co.nz> diff --git a/net/dccp/ccids/lib/packet_history.c b/net/dccp/ccids/lib/packet_history.c index b7785b3581ec..3a4f414e94a0 100644 --- a/net/dccp/ccids/lib/packet_history.c +++ b/net/dccp/ccids/lib/packet_history.c @@ -1,6 +1,4 @@ /* - * net/dccp/packet_history.c - * * Copyright (c) 2007 The University of Aberdeen, Scotland, UK * Copyright (c) 2005-7 The University of Waikato, Hamilton, New Zealand. * @@ -128,7 +126,7 @@ u32 tfrc_tx_hist_rtt(struct tfrc_tx_hist_entry *head, const u64 seqno, /* - * Receiver History Routines + * Receiver History Routines */ static struct kmem_cache *tfrc_rx_hist_slab; diff --git a/net/dccp/ccids/lib/packet_history.h b/net/dccp/ccids/lib/packet_history.h index 461cc91cce88..7df6c5299999 100644 --- a/net/dccp/ccids/lib/packet_history.h +++ b/net/dccp/ccids/lib/packet_history.h @@ -70,7 +70,6 @@ struct tfrc_rx_hist_entry { /** * tfrc_rx_hist - RX history structure for TFRC-based protocols - * * @ring: Packet history for RTT sampling and loss detection * @loss_count: Number of entries in circular history * @loss_start: Movable index (for loss detection) diff --git a/net/dccp/ccids/lib/tfrc.h b/net/dccp/ccids/lib/tfrc.h index e9720b143275..01bb48e96c2e 100644 --- a/net/dccp/ccids/lib/tfrc.h +++ b/net/dccp/ccids/lib/tfrc.h @@ -1,8 +1,6 @@ #ifndef _TFRC_H_ #define _TFRC_H_ /* - * net/dccp/ccids/lib/tfrc.h - * * Copyright (c) 2007 The University of Aberdeen, Scotland, UK * Copyright (c) 2005-6 The University of Waikato, Hamilton, New Zealand. * Copyright (c) 2005-6 Ian McDonald <ian.mcdonald@jandi.co.nz> @@ -32,7 +30,7 @@ extern int tfrc_debug; /* integer-arithmetic divisions of type (a * 1000000)/b */ static inline u64 scaled_div(u64 a, u64 b) { - BUG_ON(b==0); + BUG_ON(b == 0); return div64_u64(a * 1000000, b); } diff --git a/net/dccp/ccids/lib/tfrc_equation.c b/net/dccp/ccids/lib/tfrc_equation.c index c5d3a9e5a5a4..22ca1cf0eb55 100644 --- a/net/dccp/ccids/lib/tfrc_equation.c +++ b/net/dccp/ccids/lib/tfrc_equation.c @@ -1,6 +1,4 @@ /* - * net/dccp/ccids/lib/tfrc_equation.c - * * Copyright (c) 2005 The University of Waikato, Hamilton, New Zealand. * Copyright (c) 2005 Ian McDonald <ian.mcdonald@jandi.co.nz> * Copyright (c) 2005 Arnaldo Carvalho de Melo <acme@conectiva.com.br> @@ -79,10 +77,10 @@ } With the given configuration, we have, with M = TFRC_CALC_X_ARRSIZE-1, - lookup[0][0] = g(1000000/(M+1)) = 1000000 * f(0.2%) - lookup[M][0] = g(1000000) = 1000000 * f(100%) - lookup[0][1] = g(TFRC_SMALLEST_P) = 1000000 * f(0.01%) - lookup[M][1] = g(TFRC_CALC_X_SPLIT) = 1000000 * f(5%) + lookup[0][0] = g(1000000/(M+1)) = 1000000 * f(0.2%) + lookup[M][0] = g(1000000) = 1000000 * f(100%) + lookup[0][1] = g(TFRC_SMALLEST_P) = 1000000 * f(0.01%) + lookup[M][1] = g(TFRC_CALC_X_SPLIT) = 1000000 * f(5%) In summary, the two columns represent f(p) for the following ranges: * The first column is for 0.002 <= p <= 1.0 @@ -610,11 +608,10 @@ static inline u32 tfrc_binsearch(u32 fval, u8 small) /** * tfrc_calc_x - Calculate the send rate as per section 3.1 of RFC3448 - * - * @s: packet size in bytes - * @R: RTT scaled by 1000000 (i.e., microseconds) - * @p: loss ratio estimate scaled by 1000000 - * Returns X_calc in bytes per second (not scaled). + * @s: packet size in bytes + * @R: RTT scaled by 1000000 (i.e., microseconds) + * @p: loss ratio estimate scaled by 1000000 + * Returns X_calc in bytes per second (not scaled). */ u32 tfrc_calc_x(u16 s, u32 R, u32 p) { @@ -630,17 +627,17 @@ u32 tfrc_calc_x(u16 s, u32 R, u32 p) return ~0U; } - if (p <= TFRC_CALC_X_SPLIT) { /* 0.0000 < p <= 0.05 */ + if (p <= TFRC_CALC_X_SPLIT) { /* 0.0000 < p <= 0.05 */ if (p < TFRC_SMALLEST_P) { /* 0.0000 < p < 0.0001 */ DCCP_WARN("Value of p (%d) below resolution. " "Substituting %d\n", p, TFRC_SMALLEST_P); index = 0; - } else /* 0.0001 <= p <= 0.05 */ + } else /* 0.0001 <= p <= 0.05 */ index = p/TFRC_SMALLEST_P - 1; f = tfrc_calc_x_lookup[index][1]; - } else { /* 0.05 < p <= 1.00 */ + } else { /* 0.05 < p <= 1.00 */ index = p/(1000000/TFRC_CALC_X_ARRSIZE) - 1; f = tfrc_calc_x_lookup[index][0]; @@ -661,7 +658,6 @@ u32 tfrc_calc_x(u16 s, u32 R, u32 p) /** * tfrc_calc_x_reverse_lookup - try to find p given f(p) - * * @fvalue: function value to match, scaled by 1000000 * Returns closest match for p, also scaled by 1000000 */ diff --git a/net/dccp/dccp.h b/net/dccp/dccp.h index d6bc47363b1c..5ef32c2f0d6a 100644 --- a/net/dccp/dccp.h +++ b/net/dccp/dccp.h @@ -290,14 +290,14 @@ extern int dccp_disconnect(struct sock *sk, int flags); extern int dccp_getsockopt(struct sock *sk, int level, int optname, char __user *optval, int __user *optlen); extern int dccp_setsockopt(struct sock *sk, int level, int optname, - char __user *optval, int optlen); + char __user *optval, unsigned int optlen); #ifdef CONFIG_COMPAT extern int compat_dccp_getsockopt(struct sock *sk, int level, int optname, char __user *optval, int __user *optlen); extern int compat_dccp_setsockopt(struct sock *sk, int level, int optname, - char __user *optval, int optlen); + char __user *optval, unsigned int optlen); #endif extern int dccp_ioctl(struct sock *sk, int cmd, unsigned long arg); extern int dccp_sendmsg(struct kiocb *iocb, struct sock *sk, diff --git a/net/dccp/ipv4.c b/net/dccp/ipv4.c index d01c00de1ad0..7302e1498d46 100644 --- a/net/dccp/ipv4.c +++ b/net/dccp/ipv4.c @@ -948,7 +948,7 @@ static struct proto dccp_v4_prot = { #endif }; -static struct net_protocol dccp_v4_protocol = { +static const struct net_protocol dccp_v4_protocol = { .handler = dccp_v4_rcv, .err_handler = dccp_v4_err, .no_policy = 1, diff --git a/net/dccp/ipv6.c b/net/dccp/ipv6.c index 64f011cc4491..e48ca5d45658 100644 --- a/net/dccp/ipv6.c +++ b/net/dccp/ipv6.c @@ -1152,13 +1152,13 @@ static struct proto dccp_v6_prot = { #endif }; -static struct inet6_protocol dccp_v6_protocol = { +static const struct inet6_protocol dccp_v6_protocol = { .handler = dccp_v6_rcv, .err_handler = dccp_v6_err, .flags = INET6_PROTO_NOPOLICY | INET6_PROTO_FINAL, }; -static struct proto_ops inet6_dccp_ops = { +static const struct proto_ops inet6_dccp_ops = { .family = PF_INET6, .owner = THIS_MODULE, .release = inet6_release, diff --git a/net/dccp/proto.c b/net/dccp/proto.c index 923db06c7e55..a156319fd0ac 100644 --- a/net/dccp/proto.c +++ b/net/dccp/proto.c @@ -393,7 +393,7 @@ out: EXPORT_SYMBOL_GPL(dccp_ioctl); static int dccp_setsockopt_service(struct sock *sk, const __be32 service, - char __user *optval, int optlen) + char __user *optval, unsigned int optlen) { struct dccp_sock *dp = dccp_sk(sk); struct dccp_service_list *sl = NULL; @@ -464,7 +464,7 @@ static int dccp_setsockopt_cscov(struct sock *sk, int cscov, bool rx) } static int dccp_setsockopt_ccid(struct sock *sk, int type, - char __user *optval, int optlen) + char __user *optval, unsigned int optlen) { u8 *val; int rc = 0; @@ -494,7 +494,7 @@ static int dccp_setsockopt_ccid(struct sock *sk, int type, } static int do_dccp_setsockopt(struct sock *sk, int level, int optname, - char __user *optval, int optlen) + char __user *optval, unsigned int optlen) { struct dccp_sock *dp = dccp_sk(sk); int val, err = 0; @@ -546,7 +546,7 @@ static int do_dccp_setsockopt(struct sock *sk, int level, int optname, } int dccp_setsockopt(struct sock *sk, int level, int optname, - char __user *optval, int optlen) + char __user *optval, unsigned int optlen) { if (level != SOL_DCCP) return inet_csk(sk)->icsk_af_ops->setsockopt(sk, level, @@ -559,7 +559,7 @@ EXPORT_SYMBOL_GPL(dccp_setsockopt); #ifdef CONFIG_COMPAT int compat_dccp_setsockopt(struct sock *sk, int level, int optname, - char __user *optval, int optlen) + char __user *optval, unsigned int optlen) { if (level != SOL_DCCP) return inet_csk_compat_setsockopt(sk, level, optname, @@ -1049,10 +1049,10 @@ static int __init dccp_init(void) * * The methodology is similar to that of the buffer cache. */ - if (num_physpages >= (128 * 1024)) - goal = num_physpages >> (21 - PAGE_SHIFT); + if (totalram_pages >= (128 * 1024)) + goal = totalram_pages >> (21 - PAGE_SHIFT); else - goal = num_physpages >> (23 - PAGE_SHIFT); + goal = totalram_pages >> (23 - PAGE_SHIFT); if (thash_entries) goal = (thash_entries * diff --git a/net/decnet/af_decnet.c b/net/decnet/af_decnet.c index 77d40289653c..7a58c87baf17 100644 --- a/net/decnet/af_decnet.c +++ b/net/decnet/af_decnet.c @@ -157,7 +157,7 @@ static struct hlist_head dn_sk_hash[DN_SK_HASH_SIZE]; static struct hlist_head dn_wild_sk; static atomic_t decnet_memory_allocated; -static int __dn_setsockopt(struct socket *sock, int level, int optname, char __user *optval, int optlen, int flags); +static int __dn_setsockopt(struct socket *sock, int level, int optname, char __user *optval, unsigned int optlen, int flags); static int __dn_getsockopt(struct socket *sock, int level, int optname, char __user *optval, int __user *optlen, int flags); static struct hlist_head *dn_find_list(struct sock *sk) @@ -1325,7 +1325,7 @@ out: return err; } -static int dn_setsockopt(struct socket *sock, int level, int optname, char __user *optval, int optlen) +static int dn_setsockopt(struct socket *sock, int level, int optname, char __user *optval, unsigned int optlen) { struct sock *sk = sock->sk; int err; @@ -1337,7 +1337,7 @@ static int dn_setsockopt(struct socket *sock, int level, int optname, char __use return err; } -static int __dn_setsockopt(struct socket *sock, int level,int optname, char __user *optval, int optlen, int flags) +static int __dn_setsockopt(struct socket *sock, int level,int optname, char __user *optval, unsigned int optlen, int flags) { struct sock *sk = sock->sk; struct dn_scp *scp = DN_SK(sk); diff --git a/net/decnet/dn_dev.c b/net/decnet/dn_dev.c index 1c6a5bb6f0c8..6e1f085db06a 100644 --- a/net/decnet/dn_dev.c +++ b/net/decnet/dn_dev.c @@ -164,7 +164,7 @@ static int max_t3[] = { 8191 }; /* Must fit in 16 bits when multiplied by BCT3MU static int min_priority[1]; static int max_priority[] = { 127 }; /* From DECnet spec */ -static int dn_forwarding_proc(ctl_table *, int, struct file *, +static int dn_forwarding_proc(ctl_table *, int, void __user *, size_t *, loff_t *); static int dn_forwarding_sysctl(ctl_table *table, void __user *oldval, size_t __user *oldlenp, @@ -274,7 +274,6 @@ static void dn_dev_sysctl_unregister(struct dn_dev_parms *parms) } static int dn_forwarding_proc(ctl_table *table, int write, - struct file *filep, void __user *buffer, size_t *lenp, loff_t *ppos) { @@ -290,7 +289,7 @@ static int dn_forwarding_proc(ctl_table *table, int write, dn_db = dev->dn_ptr; old = dn_db->parms.forwarding; - err = proc_dointvec(table, write, filep, buffer, lenp, ppos); + err = proc_dointvec(table, write, buffer, lenp, ppos); if ((err >= 0) && write) { if (dn_db->parms.forwarding < 0) diff --git a/net/decnet/dn_route.c b/net/decnet/dn_route.c index 9383d3e5a1ab..57662cabaf9b 100644 --- a/net/decnet/dn_route.c +++ b/net/decnet/dn_route.c @@ -1750,7 +1750,7 @@ void __init dn_route_init(void) dn_route_timer.expires = jiffies + decnet_dst_gc_interval * HZ; add_timer(&dn_route_timer); - goal = num_physpages >> (26 - PAGE_SHIFT); + goal = totalram_pages >> (26 - PAGE_SHIFT); for(order = 0; (1UL << order) < goal; order++) /* NOTHING */; diff --git a/net/decnet/sysctl_net_decnet.c b/net/decnet/sysctl_net_decnet.c index 5bcd592ae6dd..26b0ab1e9f56 100644 --- a/net/decnet/sysctl_net_decnet.c +++ b/net/decnet/sysctl_net_decnet.c @@ -165,7 +165,6 @@ static int dn_node_address_strategy(ctl_table *table, } static int dn_node_address_handler(ctl_table *table, int write, - struct file *filp, void __user *buffer, size_t *lenp, loff_t *ppos) { @@ -276,7 +275,6 @@ static int dn_def_dev_strategy(ctl_table *table, static int dn_def_dev_handler(ctl_table *table, int write, - struct file * filp, void __user *buffer, size_t *lenp, loff_t *ppos) { diff --git a/net/ieee802154/dgram.c b/net/ieee802154/dgram.c index 77ae6852b93d..a413b1bf4465 100644 --- a/net/ieee802154/dgram.c +++ b/net/ieee802154/dgram.c @@ -414,7 +414,7 @@ static int dgram_getsockopt(struct sock *sk, int level, int optname, } static int dgram_setsockopt(struct sock *sk, int level, int optname, - char __user *optval, int __user optlen) + char __user *optval, unsigned int optlen) { struct dgram_sock *ro = dgram_sk(sk); int val; diff --git a/net/ieee802154/netlink.c b/net/ieee802154/netlink.c index 2106ecbf0308..ca767bde17a4 100644 --- a/net/ieee802154/netlink.c +++ b/net/ieee802154/netlink.c @@ -35,6 +35,7 @@ #include <net/ieee802154_netdev.h> static unsigned int ieee802154_seq_num; +static DEFINE_SPINLOCK(ieee802154_seq_lock); static struct genl_family ieee802154_coordinator_family = { .id = GENL_ID_GENERATE, @@ -57,12 +58,15 @@ static struct sk_buff *ieee802154_nl_create(int flags, u8 req) { void *hdr; struct sk_buff *msg = nlmsg_new(NLMSG_GOODSIZE, GFP_ATOMIC); + unsigned long f; if (!msg) return NULL; + spin_lock_irqsave(&ieee802154_seq_lock, f); hdr = genlmsg_put(msg, 0, ieee802154_seq_num++, &ieee802154_coordinator_family, flags, req); + spin_unlock_irqrestore(&ieee802154_seq_lock, f); if (!hdr) { nlmsg_free(msg); return NULL; diff --git a/net/ieee802154/raw.c b/net/ieee802154/raw.c index 4681501aae93..30e74eee07d6 100644 --- a/net/ieee802154/raw.c +++ b/net/ieee802154/raw.c @@ -244,7 +244,7 @@ static int raw_getsockopt(struct sock *sk, int level, int optname, } static int raw_setsockopt(struct sock *sk, int level, int optname, - char __user *optval, int __user optlen) + char __user *optval, unsigned int optlen) { return -EOPNOTSUPP; } diff --git a/net/ipv4/af_inet.c b/net/ipv4/af_inet.c index 6c30a73f03f5..57737b8d1711 100644 --- a/net/ipv4/af_inet.c +++ b/net/ipv4/af_inet.c @@ -244,7 +244,7 @@ EXPORT_SYMBOL(build_ehash_secret); static inline int inet_netns_ok(struct net *net, int protocol) { int hash; - struct net_protocol *ipprot; + const struct net_protocol *ipprot; if (net_eq(net, &init_net)) return 1; @@ -1119,6 +1119,7 @@ int inet_sk_rebuild_header(struct sock *sk) { struct flowi fl = { .oif = sk->sk_bound_dev_if, + .mark = sk->sk_mark, .nl_u = { .ip4_u = { .daddr = daddr, @@ -1162,7 +1163,7 @@ EXPORT_SYMBOL(inet_sk_rebuild_header); static int inet_gso_send_check(struct sk_buff *skb) { struct iphdr *iph; - struct net_protocol *ops; + const struct net_protocol *ops; int proto; int ihl; int err = -EINVAL; @@ -1198,7 +1199,7 @@ static struct sk_buff *inet_gso_segment(struct sk_buff *skb, int features) { struct sk_buff *segs = ERR_PTR(-EINVAL); struct iphdr *iph; - struct net_protocol *ops; + const struct net_protocol *ops; int proto; int ihl; int id; @@ -1265,7 +1266,7 @@ out: static struct sk_buff **inet_gro_receive(struct sk_buff **head, struct sk_buff *skb) { - struct net_protocol *ops; + const struct net_protocol *ops; struct sk_buff **pp = NULL; struct sk_buff *p; struct iphdr *iph; @@ -1342,7 +1343,7 @@ out: static int inet_gro_complete(struct sk_buff *skb) { - struct net_protocol *ops; + const struct net_protocol *ops; struct iphdr *iph = ip_hdr(skb); int proto = iph->protocol & (MAX_INET_PROTOS - 1); int err = -ENOSYS; @@ -1427,13 +1428,13 @@ void snmp_mib_free(void *ptr[2]) EXPORT_SYMBOL_GPL(snmp_mib_free); #ifdef CONFIG_IP_MULTICAST -static struct net_protocol igmp_protocol = { +static const struct net_protocol igmp_protocol = { .handler = igmp_rcv, .netns_ok = 1, }; #endif -static struct net_protocol tcp_protocol = { +static const struct net_protocol tcp_protocol = { .handler = tcp_v4_rcv, .err_handler = tcp_v4_err, .gso_send_check = tcp_v4_gso_send_check, @@ -1444,7 +1445,7 @@ static struct net_protocol tcp_protocol = { .netns_ok = 1, }; -static struct net_protocol udp_protocol = { +static const struct net_protocol udp_protocol = { .handler = udp_rcv, .err_handler = udp_err, .gso_send_check = udp4_ufo_send_check, @@ -1453,7 +1454,7 @@ static struct net_protocol udp_protocol = { .netns_ok = 1, }; -static struct net_protocol icmp_protocol = { +static const struct net_protocol icmp_protocol = { .handler = icmp_rcv, .no_policy = 1, .netns_ok = 1, diff --git a/net/ipv4/ah4.c b/net/ipv4/ah4.c index e878e494296e..5c662703eb1e 100644 --- a/net/ipv4/ah4.c +++ b/net/ipv4/ah4.c @@ -311,7 +311,7 @@ static const struct xfrm_type ah_type = .output = ah_output }; -static struct net_protocol ah4_protocol = { +static const struct net_protocol ah4_protocol = { .handler = xfrm4_rcv, .err_handler = ah4_err, .no_policy = 1, diff --git a/net/ipv4/devinet.c b/net/ipv4/devinet.c index 3863c3a4223f..5df2f6a0b0f0 100644 --- a/net/ipv4/devinet.c +++ b/net/ipv4/devinet.c @@ -1077,16 +1077,26 @@ static int inetdev_event(struct notifier_block *this, unsigned long event, ip_mc_up(in_dev); /* fall through */ case NETDEV_CHANGEADDR: - if (IN_DEV_ARP_NOTIFY(in_dev)) - arp_send(ARPOP_REQUEST, ETH_P_ARP, - in_dev->ifa_list->ifa_address, - dev, - in_dev->ifa_list->ifa_address, - NULL, dev->dev_addr, NULL); + /* Send gratuitous ARP to notify of link change */ + if (IN_DEV_ARP_NOTIFY(in_dev)) { + struct in_ifaddr *ifa = in_dev->ifa_list; + + if (ifa) + arp_send(ARPOP_REQUEST, ETH_P_ARP, + ifa->ifa_address, dev, + ifa->ifa_address, NULL, + dev->dev_addr, NULL); + } break; case NETDEV_DOWN: ip_mc_down(in_dev); break; + case NETDEV_BONDING_OLDTYPE: + ip_mc_unmap(in_dev); + break; + case NETDEV_BONDING_NEWTYPE: + ip_mc_remap(in_dev); + break; case NETDEV_CHANGEMTU: if (inetdev_valid_mtu(dev->mtu)) break; @@ -1264,10 +1274,10 @@ static void inet_forward_change(struct net *net) } static int devinet_conf_proc(ctl_table *ctl, int write, - struct file *filp, void __user *buffer, + void __user *buffer, size_t *lenp, loff_t *ppos) { - int ret = proc_dointvec(ctl, write, filp, buffer, lenp, ppos); + int ret = proc_dointvec(ctl, write, buffer, lenp, ppos); if (write) { struct ipv4_devconf *cnf = ctl->extra1; @@ -1336,12 +1346,12 @@ static int devinet_conf_sysctl(ctl_table *table, } static int devinet_sysctl_forward(ctl_table *ctl, int write, - struct file *filp, void __user *buffer, + void __user *buffer, size_t *lenp, loff_t *ppos) { int *valp = ctl->data; int val = *valp; - int ret = proc_dointvec(ctl, write, filp, buffer, lenp, ppos); + int ret = proc_dointvec(ctl, write, buffer, lenp, ppos); if (write && *valp != val) { struct net *net = ctl->extra2; @@ -1366,12 +1376,12 @@ static int devinet_sysctl_forward(ctl_table *ctl, int write, } int ipv4_doint_and_flush(ctl_table *ctl, int write, - struct file *filp, void __user *buffer, + void __user *buffer, size_t *lenp, loff_t *ppos) { int *valp = ctl->data; int val = *valp; - int ret = proc_dointvec(ctl, write, filp, buffer, lenp, ppos); + int ret = proc_dointvec(ctl, write, buffer, lenp, ppos); struct net *net = ctl->extra2; if (write && *valp != val) diff --git a/net/ipv4/esp4.c b/net/ipv4/esp4.c index 18bb383ea393..12f7287e902d 100644 --- a/net/ipv4/esp4.c +++ b/net/ipv4/esp4.c @@ -615,7 +615,7 @@ static const struct xfrm_type esp_type = .output = esp_output }; -static struct net_protocol esp4_protocol = { +static const struct net_protocol esp4_protocol = { .handler = xfrm4_rcv, .err_handler = esp4_err, .no_policy = 1, diff --git a/net/ipv4/icmp.c b/net/ipv4/icmp.c index 97c410e84388..5bc13fe816d1 100644 --- a/net/ipv4/icmp.c +++ b/net/ipv4/icmp.c @@ -655,7 +655,7 @@ static void icmp_unreach(struct sk_buff *skb) struct iphdr *iph; struct icmphdr *icmph; int hash, protocol; - struct net_protocol *ipprot; + const struct net_protocol *ipprot; u32 info = 0; struct net *net; diff --git a/net/ipv4/igmp.c b/net/ipv4/igmp.c index 01b4284ed694..d41e5de79a82 100644 --- a/net/ipv4/igmp.c +++ b/net/ipv4/igmp.c @@ -1298,6 +1298,28 @@ void ip_mc_dec_group(struct in_device *in_dev, __be32 addr) } } +/* Device changing type */ + +void ip_mc_unmap(struct in_device *in_dev) +{ + struct ip_mc_list *i; + + ASSERT_RTNL(); + + for (i = in_dev->mc_list; i; i = i->next) + igmp_group_dropped(i); +} + +void ip_mc_remap(struct in_device *in_dev) +{ + struct ip_mc_list *i; + + ASSERT_RTNL(); + + for (i = in_dev->mc_list; i; i = i->next) + igmp_group_added(i); +} + /* Device going down */ void ip_mc_down(struct in_device *in_dev) diff --git a/net/ipv4/inet_connection_sock.c b/net/ipv4/inet_connection_sock.c index 22cd19ee44e5..4351ca2cf0b8 100644 --- a/net/ipv4/inet_connection_sock.c +++ b/net/ipv4/inet_connection_sock.c @@ -714,7 +714,7 @@ int inet_csk_compat_getsockopt(struct sock *sk, int level, int optname, EXPORT_SYMBOL_GPL(inet_csk_compat_getsockopt); int inet_csk_compat_setsockopt(struct sock *sk, int level, int optname, - char __user *optval, int optlen) + char __user *optval, unsigned int optlen) { const struct inet_connection_sock *icsk = inet_csk(sk); diff --git a/net/ipv4/ip_gre.c b/net/ipv4/ip_gre.c index 533afaadefd4..41ada9904d31 100644 --- a/net/ipv4/ip_gre.c +++ b/net/ipv4/ip_gre.c @@ -66,10 +66,7 @@ solution, but it supposes maintaing new variable in ALL skb, even if no tunneling is used. - Current solution: t->recursion lock breaks dead loops. It looks - like dev->tbusy flag, but I preferred new variable, because - the semantics is different. One day, when hard_start_xmit - will be multithreaded we will have to use skb->encapsulation. + Current solution: HARD_TX_LOCK lock breaks dead loops. @@ -678,11 +675,6 @@ static netdev_tx_t ipgre_tunnel_xmit(struct sk_buff *skb, struct net_device *dev __be32 dst; int mtu; - if (tunnel->recursion++) { - stats->collisions++; - goto tx_error; - } - if (dev->type == ARPHRD_ETHER) IPCB(skb)->flags = 0; @@ -820,7 +812,6 @@ static netdev_tx_t ipgre_tunnel_xmit(struct sk_buff *skb, struct net_device *dev ip_rt_put(rt); stats->tx_dropped++; dev_kfree_skb(skb); - tunnel->recursion--; return NETDEV_TX_OK; } if (skb->sk) @@ -888,7 +879,6 @@ static netdev_tx_t ipgre_tunnel_xmit(struct sk_buff *skb, struct net_device *dev nf_reset(skb); IPTUNNEL_XMIT(); - tunnel->recursion--; return NETDEV_TX_OK; tx_error_icmp: @@ -897,7 +887,6 @@ tx_error_icmp: tx_error: stats->tx_errors++; dev_kfree_skb(skb); - tunnel->recursion--; return NETDEV_TX_OK; } @@ -1288,7 +1277,7 @@ static void ipgre_fb_tunnel_init(struct net_device *dev) } -static struct net_protocol ipgre_protocol = { +static const struct net_protocol ipgre_protocol = { .handler = ipgre_rcv, .err_handler = ipgre_err, .netns_ok = 1, diff --git a/net/ipv4/ip_input.c b/net/ipv4/ip_input.c index db46b4b5b2b9..6c98b43badf4 100644 --- a/net/ipv4/ip_input.c +++ b/net/ipv4/ip_input.c @@ -202,7 +202,7 @@ static int ip_local_deliver_finish(struct sk_buff *skb) { int protocol = ip_hdr(skb)->protocol; int hash, raw; - struct net_protocol *ipprot; + const struct net_protocol *ipprot; resubmit: raw = raw_local_deliver(skb, protocol); diff --git a/net/ipv4/ip_output.c b/net/ipv4/ip_output.c index 9fe5d7b81580..f9895180f481 100644 --- a/net/ipv4/ip_output.c +++ b/net/ipv4/ip_output.c @@ -335,6 +335,7 @@ int ip_queue_xmit(struct sk_buff *skb, int ipfragok) { struct flowi fl = { .oif = sk->sk_bound_dev_if, + .mark = sk->sk_mark, .nl_u = { .ip4_u = { .daddr = daddr, .saddr = inet->saddr, diff --git a/net/ipv4/ip_sockglue.c b/net/ipv4/ip_sockglue.c index fc7993e9061f..0c0b6e363a20 100644 --- a/net/ipv4/ip_sockglue.c +++ b/net/ipv4/ip_sockglue.c @@ -440,7 +440,7 @@ out: */ static int do_ip_setsockopt(struct sock *sk, int level, - int optname, char __user *optval, int optlen) + int optname, char __user *optval, unsigned int optlen) { struct inet_sock *inet = inet_sk(sk); int val = 0, err; @@ -611,6 +611,9 @@ static int do_ip_setsockopt(struct sock *sk, int level, * Check the arguments are allowable */ + if (optlen < sizeof(struct in_addr)) + goto e_inval; + err = -EFAULT; if (optlen >= sizeof(struct ip_mreqn)) { if (copy_from_user(&mreq, optval, sizeof(mreq))) @@ -947,7 +950,7 @@ e_inval: } int ip_setsockopt(struct sock *sk, int level, - int optname, char __user *optval, int optlen) + int optname, char __user *optval, unsigned int optlen) { int err; @@ -972,7 +975,7 @@ EXPORT_SYMBOL(ip_setsockopt); #ifdef CONFIG_COMPAT int compat_ip_setsockopt(struct sock *sk, int level, int optname, - char __user *optval, int optlen) + char __user *optval, unsigned int optlen) { int err; diff --git a/net/ipv4/ipcomp.c b/net/ipv4/ipcomp.c index 3262ce06294c..38fbf04150ae 100644 --- a/net/ipv4/ipcomp.c +++ b/net/ipv4/ipcomp.c @@ -146,7 +146,7 @@ static const struct xfrm_type ipcomp_type = { .output = ipcomp_output }; -static struct net_protocol ipcomp4_protocol = { +static const struct net_protocol ipcomp4_protocol = { .handler = xfrm4_rcv, .err_handler = ipcomp4_err, .no_policy = 1, diff --git a/net/ipv4/ipip.c b/net/ipv4/ipip.c index 62548cb0923c..08ccd344de7a 100644 --- a/net/ipv4/ipip.c +++ b/net/ipv4/ipip.c @@ -402,11 +402,6 @@ static netdev_tx_t ipip_tunnel_xmit(struct sk_buff *skb, struct net_device *dev) __be32 dst = tiph->daddr; int mtu; - if (tunnel->recursion++) { - stats->collisions++; - goto tx_error; - } - if (skb->protocol != htons(ETH_P_IP)) goto tx_error; @@ -485,7 +480,6 @@ static netdev_tx_t ipip_tunnel_xmit(struct sk_buff *skb, struct net_device *dev) ip_rt_put(rt); stats->tx_dropped++; dev_kfree_skb(skb); - tunnel->recursion--; return NETDEV_TX_OK; } if (skb->sk) @@ -523,7 +517,6 @@ static netdev_tx_t ipip_tunnel_xmit(struct sk_buff *skb, struct net_device *dev) nf_reset(skb); IPTUNNEL_XMIT(); - tunnel->recursion--; return NETDEV_TX_OK; tx_error_icmp: @@ -531,7 +524,6 @@ tx_error_icmp: tx_error: stats->tx_errors++; dev_kfree_skb(skb); - tunnel->recursion--; return NETDEV_TX_OK; } diff --git a/net/ipv4/ipmr.c b/net/ipv4/ipmr.c index 65d421cf5bc7..630a56df7b47 100644 --- a/net/ipv4/ipmr.c +++ b/net/ipv4/ipmr.c @@ -99,10 +99,6 @@ static int ipmr_cache_report(struct net *net, struct sk_buff *pkt, vifi_t vifi, int assert); static int ipmr_fill_mroute(struct sk_buff *skb, struct mfc_cache *c, struct rtmsg *rtm); -#ifdef CONFIG_IP_PIMSM_V2 -static struct net_protocol pim_protocol; -#endif - static struct timer_list ipmr_expire_timer; /* Service routines creating virtual interfaces: DVMRP tunnels and PIMREG */ @@ -935,7 +931,7 @@ static void mrtsock_destruct(struct sock *sk) * MOSPF/PIM router set up we can clean this up. */ -int ip_mroute_setsockopt(struct sock *sk, int optname, char __user *optval, int optlen) +int ip_mroute_setsockopt(struct sock *sk, int optname, char __user *optval, unsigned int optlen) { int ret; struct vifctl vif; @@ -1945,7 +1941,7 @@ static const struct file_operations ipmr_mfc_fops = { #endif #ifdef CONFIG_IP_PIMSM_V2 -static struct net_protocol pim_protocol = { +static const struct net_protocol pim_protocol = { .handler = pim_rcv, .netns_ok = 1, }; diff --git a/net/ipv4/protocol.c b/net/ipv4/protocol.c index a2e5fc0a15e1..542f22fc98b3 100644 --- a/net/ipv4/protocol.c +++ b/net/ipv4/protocol.c @@ -28,14 +28,14 @@ #include <linux/spinlock.h> #include <net/protocol.h> -struct net_protocol *inet_protos[MAX_INET_PROTOS] ____cacheline_aligned_in_smp; +const struct net_protocol *inet_protos[MAX_INET_PROTOS] ____cacheline_aligned_in_smp; static DEFINE_SPINLOCK(inet_proto_lock); /* * Add a protocol handler to the hash tables */ -int inet_add_protocol(struct net_protocol *prot, unsigned char protocol) +int inet_add_protocol(const struct net_protocol *prot, unsigned char protocol) { int hash, ret; @@ -57,7 +57,7 @@ int inet_add_protocol(struct net_protocol *prot, unsigned char protocol) * Remove a protocol from the hash tables. */ -int inet_del_protocol(struct net_protocol *prot, unsigned char protocol) +int inet_del_protocol(const struct net_protocol *prot, unsigned char protocol) { int hash, ret; diff --git a/net/ipv4/raw.c b/net/ipv4/raw.c index ebb1e5848bc6..757c9171e7c2 100644 --- a/net/ipv4/raw.c +++ b/net/ipv4/raw.c @@ -741,7 +741,7 @@ out: return ret; } static int do_raw_setsockopt(struct sock *sk, int level, int optname, - char __user *optval, int optlen) + char __user *optval, unsigned int optlen) { if (optname == ICMP_FILTER) { if (inet_sk(sk)->num != IPPROTO_ICMP) @@ -753,7 +753,7 @@ static int do_raw_setsockopt(struct sock *sk, int level, int optname, } static int raw_setsockopt(struct sock *sk, int level, int optname, - char __user *optval, int optlen) + char __user *optval, unsigned int optlen) { if (level != SOL_RAW) return ip_setsockopt(sk, level, optname, optval, optlen); @@ -762,7 +762,7 @@ static int raw_setsockopt(struct sock *sk, int level, int optname, #ifdef CONFIG_COMPAT static int compat_raw_setsockopt(struct sock *sk, int level, int optname, - char __user *optval, int optlen) + char __user *optval, unsigned int optlen) { if (level != SOL_RAW) return compat_ip_setsockopt(sk, level, optname, optval, optlen); diff --git a/net/ipv4/route.c b/net/ipv4/route.c index 91867d3e6328..bb4199252026 100644 --- a/net/ipv4/route.c +++ b/net/ipv4/route.c @@ -3036,7 +3036,7 @@ void ip_rt_multicast_event(struct in_device *in_dev) #ifdef CONFIG_SYSCTL static int ipv4_sysctl_rtcache_flush(ctl_table *__ctl, int write, - struct file *filp, void __user *buffer, + void __user *buffer, size_t *lenp, loff_t *ppos) { if (write) { @@ -3046,7 +3046,7 @@ static int ipv4_sysctl_rtcache_flush(ctl_table *__ctl, int write, memcpy(&ctl, __ctl, sizeof(ctl)); ctl.data = &flush_delay; - proc_dointvec(&ctl, write, filp, buffer, lenp, ppos); + proc_dointvec(&ctl, write, buffer, lenp, ppos); net = (struct net *)__ctl->extra1; rt_cache_flush(net, flush_delay); @@ -3106,12 +3106,11 @@ static void rt_secret_reschedule(int old) } static int ipv4_sysctl_rt_secret_interval(ctl_table *ctl, int write, - struct file *filp, void __user *buffer, size_t *lenp, loff_t *ppos) { int old = ip_rt_secret_interval; - int ret = proc_dointvec_jiffies(ctl, write, filp, buffer, lenp, ppos); + int ret = proc_dointvec_jiffies(ctl, write, buffer, lenp, ppos); rt_secret_reschedule(old); @@ -3414,7 +3413,7 @@ int __init ip_rt_init(void) alloc_large_system_hash("IP route cache", sizeof(struct rt_hash_bucket), rhash_entries, - (num_physpages >= 128 * 1024) ? + (totalram_pages >= 128 * 1024) ? 15 : 17, 0, &rt_hash_log, diff --git a/net/ipv4/syncookies.c b/net/ipv4/syncookies.c index cd2b97f1b6e1..a6e0e077ac33 100644 --- a/net/ipv4/syncookies.c +++ b/net/ipv4/syncookies.c @@ -37,12 +37,13 @@ __initcall(init_syncookies); #define COOKIEBITS 24 /* Upper bits store count */ #define COOKIEMASK (((__u32)1 << COOKIEBITS) - 1) -static DEFINE_PER_CPU(__u32, cookie_scratch)[16 + 5 + SHA_WORKSPACE_WORDS]; +static DEFINE_PER_CPU(__u32 [16 + 5 + SHA_WORKSPACE_WORDS], + ipv4_cookie_scratch); static u32 cookie_hash(__be32 saddr, __be32 daddr, __be16 sport, __be16 dport, u32 count, int c) { - __u32 *tmp = __get_cpu_var(cookie_scratch); + __u32 *tmp = __get_cpu_var(ipv4_cookie_scratch); memcpy(tmp + 4, syncookie_secret[c], sizeof(syncookie_secret[c])); tmp[0] = (__force u32)saddr; diff --git a/net/ipv4/sysctl_net_ipv4.c b/net/ipv4/sysctl_net_ipv4.c index 4710d219f06a..2dcf04d9b005 100644 --- a/net/ipv4/sysctl_net_ipv4.c +++ b/net/ipv4/sysctl_net_ipv4.c @@ -36,7 +36,7 @@ static void set_local_port_range(int range[2]) } /* Validate changes from /proc interface. */ -static int ipv4_local_port_range(ctl_table *table, int write, struct file *filp, +static int ipv4_local_port_range(ctl_table *table, int write, void __user *buffer, size_t *lenp, loff_t *ppos) { @@ -51,7 +51,7 @@ static int ipv4_local_port_range(ctl_table *table, int write, struct file *filp, }; inet_get_local_port_range(range, range + 1); - ret = proc_dointvec_minmax(&tmp, write, filp, buffer, lenp, ppos); + ret = proc_dointvec_minmax(&tmp, write, buffer, lenp, ppos); if (write && ret == 0) { if (range[1] < range[0]) @@ -91,7 +91,7 @@ static int ipv4_sysctl_local_port_range(ctl_table *table, } -static int proc_tcp_congestion_control(ctl_table *ctl, int write, struct file * filp, +static int proc_tcp_congestion_control(ctl_table *ctl, int write, void __user *buffer, size_t *lenp, loff_t *ppos) { char val[TCP_CA_NAME_MAX]; @@ -103,7 +103,7 @@ static int proc_tcp_congestion_control(ctl_table *ctl, int write, struct file * tcp_get_default_congestion_control(val); - ret = proc_dostring(&tbl, write, filp, buffer, lenp, ppos); + ret = proc_dostring(&tbl, write, buffer, lenp, ppos); if (write && ret == 0) ret = tcp_set_default_congestion_control(val); return ret; @@ -129,7 +129,7 @@ static int sysctl_tcp_congestion_control(ctl_table *table, } static int proc_tcp_available_congestion_control(ctl_table *ctl, - int write, struct file * filp, + int write, void __user *buffer, size_t *lenp, loff_t *ppos) { @@ -140,13 +140,13 @@ static int proc_tcp_available_congestion_control(ctl_table *ctl, if (!tbl.data) return -ENOMEM; tcp_get_available_congestion_control(tbl.data, TCP_CA_BUF_MAX); - ret = proc_dostring(&tbl, write, filp, buffer, lenp, ppos); + ret = proc_dostring(&tbl, write, buffer, lenp, ppos); kfree(tbl.data); return ret; } static int proc_allowed_congestion_control(ctl_table *ctl, - int write, struct file * filp, + int write, void __user *buffer, size_t *lenp, loff_t *ppos) { @@ -158,7 +158,7 @@ static int proc_allowed_congestion_control(ctl_table *ctl, return -ENOMEM; tcp_get_allowed_congestion_control(tbl.data, tbl.maxlen); - ret = proc_dostring(&tbl, write, filp, buffer, lenp, ppos); + ret = proc_dostring(&tbl, write, buffer, lenp, ppos); if (write && ret == 0) ret = tcp_set_allowed_congestion_control(tbl.data); kfree(tbl.data); diff --git a/net/ipv4/tcp.c b/net/ipv4/tcp.c index edeea060db44..64d0af675823 100644 --- a/net/ipv4/tcp.c +++ b/net/ipv4/tcp.c @@ -580,7 +580,7 @@ ssize_t tcp_splice_read(struct socket *sock, loff_t *ppos, lock_sock(sk); - timeo = sock_rcvtimeo(sk, flags & SPLICE_F_NONBLOCK); + timeo = sock_rcvtimeo(sk, sock->file->f_flags & O_NONBLOCK); while (tss.len) { ret = __tcp_splice_read(sk, &tss); if (ret < 0) @@ -2012,7 +2012,7 @@ int tcp_disconnect(struct sock *sk, int flags) tp->snd_cwnd = 2; icsk->icsk_probes_out = 0; tp->packets_out = 0; - tp->snd_ssthresh = 0x7fffffff; + tp->snd_ssthresh = TCP_INFINITE_SSTHRESH; tp->snd_cwnd_cnt = 0; tp->bytes_acked = 0; tcp_set_ca_state(sk, TCP_CA_Open); @@ -2032,7 +2032,7 @@ int tcp_disconnect(struct sock *sk, int flags) * Socket option code for TCP. */ static int do_tcp_setsockopt(struct sock *sk, int level, - int optname, char __user *optval, int optlen) + int optname, char __user *optval, unsigned int optlen) { struct tcp_sock *tp = tcp_sk(sk); struct inet_connection_sock *icsk = inet_csk(sk); @@ -2047,7 +2047,7 @@ static int do_tcp_setsockopt(struct sock *sk, int level, return -EINVAL; val = strncpy_from_user(name, optval, - min(TCP_CA_NAME_MAX-1, optlen)); + min_t(long, TCP_CA_NAME_MAX-1, optlen)); if (val < 0) return -EFAULT; name[val] = 0; @@ -2220,7 +2220,7 @@ static int do_tcp_setsockopt(struct sock *sk, int level, } int tcp_setsockopt(struct sock *sk, int level, int optname, char __user *optval, - int optlen) + unsigned int optlen) { struct inet_connection_sock *icsk = inet_csk(sk); @@ -2232,7 +2232,7 @@ int tcp_setsockopt(struct sock *sk, int level, int optname, char __user *optval, #ifdef CONFIG_COMPAT int compat_tcp_setsockopt(struct sock *sk, int level, int optname, - char __user *optval, int optlen) + char __user *optval, unsigned int optlen) { if (level != SOL_TCP) return inet_csk_compat_setsockopt(sk, level, optname, @@ -2862,7 +2862,7 @@ void __init tcp_init(void) alloc_large_system_hash("TCP established", sizeof(struct inet_ehash_bucket), thash_entries, - (num_physpages >= 128 * 1024) ? + (totalram_pages >= 128 * 1024) ? 13 : 15, 0, &tcp_hashinfo.ehash_size, @@ -2879,7 +2879,7 @@ void __init tcp_init(void) alloc_large_system_hash("TCP bind", sizeof(struct inet_bind_hashbucket), tcp_hashinfo.ehash_size, - (num_physpages >= 128 * 1024) ? + (totalram_pages >= 128 * 1024) ? 13 : 15, 0, &tcp_hashinfo.bhash_size, diff --git a/net/ipv4/tcp_input.c b/net/ipv4/tcp_input.c index af6d6fa00db1..d86784be7ab3 100644 --- a/net/ipv4/tcp_input.c +++ b/net/ipv4/tcp_input.c @@ -761,7 +761,7 @@ void tcp_update_metrics(struct sock *sk) set_dst_metric_rtt(dst, RTAX_RTTVAR, var); } - if (tp->snd_ssthresh >= 0xFFFF) { + if (tcp_in_initial_slowstart(tp)) { /* Slow start still did not finish. */ if (dst_metric(dst, RTAX_SSTHRESH) && !dst_metric_locked(dst, RTAX_SSTHRESH) && diff --git a/net/ipv4/tcp_ipv4.c b/net/ipv4/tcp_ipv4.c index 0543561da999..7cda24b53f61 100644 --- a/net/ipv4/tcp_ipv4.c +++ b/net/ipv4/tcp_ipv4.c @@ -1808,7 +1808,7 @@ static int tcp_v4_init_sock(struct sock *sk) /* See draft-stevens-tcpca-spec-01 for discussion of the * initialization of these values. */ - tp->snd_ssthresh = 0x7fffffff; /* Infinity */ + tp->snd_ssthresh = TCP_INFINITE_SSTHRESH; tp->snd_cwnd_clamp = ~0; tp->mss_cache = 536; @@ -2284,7 +2284,7 @@ static void get_tcp4_sock(struct sock *sk, struct seq_file *f, int i, int *len) jiffies_to_clock_t(icsk->icsk_ack.ato), (icsk->icsk_ack.quick << 1) | icsk->icsk_ack.pingpong, tp->snd_cwnd, - tp->snd_ssthresh >= 0xFFFF ? -1 : tp->snd_ssthresh, + tcp_in_initial_slowstart(tp) ? -1 : tp->snd_ssthresh, len); } diff --git a/net/ipv4/tcp_minisocks.c b/net/ipv4/tcp_minisocks.c index e48c37d74d77..624c3c9b3c2b 100644 --- a/net/ipv4/tcp_minisocks.c +++ b/net/ipv4/tcp_minisocks.c @@ -363,7 +363,7 @@ void tcp_twsk_destructor(struct sock *sk) #ifdef CONFIG_TCP_MD5SIG struct tcp_timewait_sock *twsk = tcp_twsk(sk); if (twsk->tw_md5_keylen) - tcp_put_md5sig_pool(); + tcp_free_md5sig_pool(); #endif } @@ -410,7 +410,7 @@ struct sock *tcp_create_openreq_child(struct sock *sk, struct request_sock *req, newtp->retrans_out = 0; newtp->sacked_out = 0; newtp->fackets_out = 0; - newtp->snd_ssthresh = 0x7fffffff; + newtp->snd_ssthresh = TCP_INFINITE_SSTHRESH; /* So many TCP implementations out there (incorrectly) count the * initial SYN frame in their delayed-ACK and congestion control diff --git a/net/ipv4/tcp_output.c b/net/ipv4/tcp_output.c index 5200aab0ca97..fcd278a7080e 100644 --- a/net/ipv4/tcp_output.c +++ b/net/ipv4/tcp_output.c @@ -361,6 +361,7 @@ static inline int tcp_urg_mode(const struct tcp_sock *tp) #define OPTION_SACK_ADVERTISE (1 << 0) #define OPTION_TS (1 << 1) #define OPTION_MD5 (1 << 2) +#define OPTION_WSCALE (1 << 3) struct tcp_out_options { u8 options; /* bit field of OPTION_* */ @@ -427,7 +428,7 @@ static void tcp_options_write(__be32 *ptr, struct tcp_sock *tp, TCPOLEN_SACK_PERM); } - if (unlikely(opts->ws)) { + if (unlikely(OPTION_WSCALE & opts->options)) { *ptr++ = htonl((TCPOPT_NOP << 24) | (TCPOPT_WINDOW << 16) | (TCPOLEN_WINDOW << 8) | @@ -494,8 +495,8 @@ static unsigned tcp_syn_options(struct sock *sk, struct sk_buff *skb, } if (likely(sysctl_tcp_window_scaling)) { opts->ws = tp->rx_opt.rcv_wscale; - if (likely(opts->ws)) - size += TCPOLEN_WSCALE_ALIGNED; + opts->options |= OPTION_WSCALE; + size += TCPOLEN_WSCALE_ALIGNED; } if (likely(sysctl_tcp_sack)) { opts->options |= OPTION_SACK_ADVERTISE; @@ -537,8 +538,8 @@ static unsigned tcp_synack_options(struct sock *sk, if (likely(ireq->wscale_ok)) { opts->ws = ireq->rcv_wscale; - if (likely(opts->ws)) - size += TCPOLEN_WSCALE_ALIGNED; + opts->options |= OPTION_WSCALE; + size += TCPOLEN_WSCALE_ALIGNED; } if (likely(doing_ts)) { opts->options |= OPTION_TS; diff --git a/net/ipv4/tunnel4.c b/net/ipv4/tunnel4.c index cb1f0e83830b..3959e0ca456a 100644 --- a/net/ipv4/tunnel4.c +++ b/net/ipv4/tunnel4.c @@ -132,7 +132,7 @@ static void tunnel64_err(struct sk_buff *skb, u32 info) } #endif -static struct net_protocol tunnel4_protocol = { +static const struct net_protocol tunnel4_protocol = { .handler = tunnel4_rcv, .err_handler = tunnel4_err, .no_policy = 1, @@ -140,7 +140,7 @@ static struct net_protocol tunnel4_protocol = { }; #if defined(CONFIG_IPV6) || defined(CONFIG_IPV6_MODULE) -static struct net_protocol tunnel64_protocol = { +static const struct net_protocol tunnel64_protocol = { .handler = tunnel64_rcv, .err_handler = tunnel64_err, .no_policy = 1, diff --git a/net/ipv4/udp.c b/net/ipv4/udp.c index ebaaa7f973d7..6ec6a8a4a224 100644 --- a/net/ipv4/udp.c +++ b/net/ipv4/udp.c @@ -696,6 +696,7 @@ int udp_sendmsg(struct kiocb *iocb, struct sock *sk, struct msghdr *msg, if (rt == NULL) { struct flowi fl = { .oif = ipc.oif, + .mark = sk->sk_mark, .nl_u = { .ip4_u = { .daddr = faddr, .saddr = saddr, @@ -1359,7 +1360,7 @@ void udp_destroy_sock(struct sock *sk) * Socket option code for UDP */ int udp_lib_setsockopt(struct sock *sk, int level, int optname, - char __user *optval, int optlen, + char __user *optval, unsigned int optlen, int (*push_pending_frames)(struct sock *)) { struct udp_sock *up = udp_sk(sk); @@ -1441,7 +1442,7 @@ int udp_lib_setsockopt(struct sock *sk, int level, int optname, EXPORT_SYMBOL(udp_lib_setsockopt); int udp_setsockopt(struct sock *sk, int level, int optname, - char __user *optval, int optlen) + char __user *optval, unsigned int optlen) { if (level == SOL_UDP || level == SOL_UDPLITE) return udp_lib_setsockopt(sk, level, optname, optval, optlen, @@ -1451,7 +1452,7 @@ int udp_setsockopt(struct sock *sk, int level, int optname, #ifdef CONFIG_COMPAT int compat_udp_setsockopt(struct sock *sk, int level, int optname, - char __user *optval, int optlen) + char __user *optval, unsigned int optlen) { if (level == SOL_UDP || level == SOL_UDPLITE) return udp_lib_setsockopt(sk, level, optname, optval, optlen, diff --git a/net/ipv4/udp_impl.h b/net/ipv4/udp_impl.h index 9f4a6165f722..aaad650d47d9 100644 --- a/net/ipv4/udp_impl.h +++ b/net/ipv4/udp_impl.h @@ -11,13 +11,13 @@ extern void __udp4_lib_err(struct sk_buff *, u32, struct udp_table *); extern int udp_v4_get_port(struct sock *sk, unsigned short snum); extern int udp_setsockopt(struct sock *sk, int level, int optname, - char __user *optval, int optlen); + char __user *optval, unsigned int optlen); extern int udp_getsockopt(struct sock *sk, int level, int optname, char __user *optval, int __user *optlen); #ifdef CONFIG_COMPAT extern int compat_udp_setsockopt(struct sock *sk, int level, int optname, - char __user *optval, int optlen); + char __user *optval, unsigned int optlen); extern int compat_udp_getsockopt(struct sock *sk, int level, int optname, char __user *optval, int __user *optlen); #endif diff --git a/net/ipv4/udplite.c b/net/ipv4/udplite.c index c784891cb7e5..95248d7f75ec 100644 --- a/net/ipv4/udplite.c +++ b/net/ipv4/udplite.c @@ -25,7 +25,7 @@ static void udplite_err(struct sk_buff *skb, u32 info) __udp4_lib_err(skb, info, &udplite_table); } -static struct net_protocol udplite_protocol = { +static const struct net_protocol udplite_protocol = { .handler = udplite_rcv, .err_handler = udplite_err, .no_policy = 1, diff --git a/net/ipv6/addrconf.c b/net/ipv6/addrconf.c index c9b369034a40..1fd0a3d775d2 100644 --- a/net/ipv6/addrconf.c +++ b/net/ipv6/addrconf.c @@ -137,6 +137,8 @@ static DEFINE_SPINLOCK(addrconf_verify_lock); static void addrconf_join_anycast(struct inet6_ifaddr *ifp); static void addrconf_leave_anycast(struct inet6_ifaddr *ifp); +static void addrconf_bonding_change(struct net_device *dev, + unsigned long event); static int addrconf_ifdown(struct net_device *dev, int how); static void addrconf_dad_start(struct inet6_ifaddr *ifp, u32 flags); @@ -1405,8 +1407,8 @@ void addrconf_dad_failure(struct inet6_ifaddr *ifp) struct inet6_dev *idev = ifp->idev; if (net_ratelimit()) - printk(KERN_INFO "%s: IPv6 duplicate address detected!\n", - ifp->idev->dev->name); + printk(KERN_INFO "%s: IPv6 duplicate address %pI6c detected!\n", + ifp->idev->dev->name, &ifp->addr); if (idev->cnf.accept_dad > 1 && !idev->cnf.disable_ipv6) { struct in6_addr addr; @@ -2582,6 +2584,10 @@ static int addrconf_notify(struct notifier_block *this, unsigned long event, return notifier_from_errno(err); } break; + case NETDEV_BONDING_OLDTYPE: + case NETDEV_BONDING_NEWTYPE: + addrconf_bonding_change(dev, event); + break; } return NOTIFY_OK; @@ -2595,6 +2601,19 @@ static struct notifier_block ipv6_dev_notf = { .priority = 0 }; +static void addrconf_bonding_change(struct net_device *dev, unsigned long event) +{ + struct inet6_dev *idev; + ASSERT_RTNL(); + + idev = __in6_dev_get(dev); + + if (event == NETDEV_BONDING_NEWTYPE) + ipv6_mc_remap(idev); + else if (event == NETDEV_BONDING_OLDTYPE) + ipv6_mc_unmap(idev); +} + static int addrconf_ifdown(struct net_device *dev, int how) { struct inet6_dev *idev; @@ -3967,14 +3986,14 @@ static void ipv6_ifa_notify(int event, struct inet6_ifaddr *ifp) #ifdef CONFIG_SYSCTL static -int addrconf_sysctl_forward(ctl_table *ctl, int write, struct file * filp, +int addrconf_sysctl_forward(ctl_table *ctl, int write, void __user *buffer, size_t *lenp, loff_t *ppos) { int *valp = ctl->data; int val = *valp; int ret; - ret = proc_dointvec(ctl, write, filp, buffer, lenp, ppos); + ret = proc_dointvec(ctl, write, buffer, lenp, ppos); if (write) ret = addrconf_fixup_forwarding(ctl, valp, val); @@ -4071,14 +4090,14 @@ static int addrconf_disable_ipv6(struct ctl_table *table, int *p, int old) } static -int addrconf_sysctl_disable(ctl_table *ctl, int write, struct file * filp, +int addrconf_sysctl_disable(ctl_table *ctl, int write, void __user *buffer, size_t *lenp, loff_t *ppos) { int *valp = ctl->data; int val = *valp; int ret; - ret = proc_dointvec(ctl, write, filp, buffer, lenp, ppos); + ret = proc_dointvec(ctl, write, buffer, lenp, ppos); if (write) ret = addrconf_disable_ipv6(ctl, valp, val); diff --git a/net/ipv6/af_inet6.c b/net/ipv6/af_inet6.c index a123a328aeb3..e127a32f9540 100644 --- a/net/ipv6/af_inet6.c +++ b/net/ipv6/af_inet6.c @@ -710,7 +710,7 @@ EXPORT_SYMBOL_GPL(ipv6_opt_accepted); static int ipv6_gso_pull_exthdrs(struct sk_buff *skb, int proto) { - struct inet6_protocol *ops = NULL; + const struct inet6_protocol *ops = NULL; for (;;) { struct ipv6_opt_hdr *opth; @@ -745,7 +745,7 @@ static int ipv6_gso_pull_exthdrs(struct sk_buff *skb, int proto) static int ipv6_gso_send_check(struct sk_buff *skb) { struct ipv6hdr *ipv6h; - struct inet6_protocol *ops; + const struct inet6_protocol *ops; int err = -EINVAL; if (unlikely(!pskb_may_pull(skb, sizeof(*ipv6h)))) @@ -773,7 +773,7 @@ static struct sk_buff *ipv6_gso_segment(struct sk_buff *skb, int features) { struct sk_buff *segs = ERR_PTR(-EINVAL); struct ipv6hdr *ipv6h; - struct inet6_protocol *ops; + const struct inet6_protocol *ops; int proto; struct frag_hdr *fptr; unsigned int unfrag_ip6hlen; @@ -840,7 +840,7 @@ struct ipv6_gro_cb { static struct sk_buff **ipv6_gro_receive(struct sk_buff **head, struct sk_buff *skb) { - struct inet6_protocol *ops; + const struct inet6_protocol *ops; struct sk_buff **pp = NULL; struct sk_buff *p; struct ipv6hdr *iph; @@ -926,7 +926,7 @@ out: static int ipv6_gro_complete(struct sk_buff *skb) { - struct inet6_protocol *ops; + const struct inet6_protocol *ops; struct ipv6hdr *iph = ipv6_hdr(skb); int err = -ENOSYS; diff --git a/net/ipv6/ah6.c b/net/ipv6/ah6.c index 86f42a288c4b..c1589e2f1dc9 100644 --- a/net/ipv6/ah6.c +++ b/net/ipv6/ah6.c @@ -527,7 +527,7 @@ static const struct xfrm_type ah6_type = .hdr_offset = xfrm6_find_1stfragopt, }; -static struct inet6_protocol ah6_protocol = { +static const struct inet6_protocol ah6_protocol = { .handler = xfrm6_rcv, .err_handler = ah6_err, .flags = INET6_PROTO_NOPOLICY, diff --git a/net/ipv6/esp6.c b/net/ipv6/esp6.c index 678bb95b1525..af597c73ebe9 100644 --- a/net/ipv6/esp6.c +++ b/net/ipv6/esp6.c @@ -558,7 +558,7 @@ static const struct xfrm_type esp6_type = .hdr_offset = xfrm6_find_1stfragopt, }; -static struct inet6_protocol esp6_protocol = { +static const struct inet6_protocol esp6_protocol = { .handler = xfrm6_rcv, .err_handler = esp6_err, .flags = INET6_PROTO_NOPOLICY, diff --git a/net/ipv6/exthdrs.c b/net/ipv6/exthdrs.c index 4aae658e5501..df159fffe4bc 100644 --- a/net/ipv6/exthdrs.c +++ b/net/ipv6/exthdrs.c @@ -500,17 +500,17 @@ unknown_rh: return -1; } -static struct inet6_protocol rthdr_protocol = { +static const struct inet6_protocol rthdr_protocol = { .handler = ipv6_rthdr_rcv, .flags = INET6_PROTO_NOPOLICY | INET6_PROTO_GSO_EXTHDR, }; -static struct inet6_protocol destopt_protocol = { +static const struct inet6_protocol destopt_protocol = { .handler = ipv6_destopt_rcv, .flags = INET6_PROTO_NOPOLICY | INET6_PROTO_GSO_EXTHDR, }; -static struct inet6_protocol nodata_protocol = { +static const struct inet6_protocol nodata_protocol = { .handler = dst_discard, .flags = INET6_PROTO_NOPOLICY, }; diff --git a/net/ipv6/icmp.c b/net/ipv6/icmp.c index e2325f6a05fb..f23ebbec0631 100644 --- a/net/ipv6/icmp.c +++ b/net/ipv6/icmp.c @@ -86,7 +86,7 @@ static inline struct sock *icmpv6_sk(struct net *net) static int icmpv6_rcv(struct sk_buff *skb); -static struct inet6_protocol icmpv6_protocol = { +static const struct inet6_protocol icmpv6_protocol = { .handler = icmpv6_rcv, .flags = INET6_PROTO_NOPOLICY|INET6_PROTO_FINAL, }; @@ -583,7 +583,7 @@ out: static void icmpv6_notify(struct sk_buff *skb, u8 type, u8 code, __be32 info) { - struct inet6_protocol *ipprot; + const struct inet6_protocol *ipprot; int inner_offset; int hash; u8 nexthdr; diff --git a/net/ipv6/ip6_input.c b/net/ipv6/ip6_input.c index 2d9cbaa67edb..237e2dba6e94 100644 --- a/net/ipv6/ip6_input.c +++ b/net/ipv6/ip6_input.c @@ -159,7 +159,7 @@ drop: static int ip6_input_finish(struct sk_buff *skb) { - struct inet6_protocol *ipprot; + const struct inet6_protocol *ipprot; unsigned int nhoff; int nexthdr, raw; u8 hash; diff --git a/net/ipv6/ip6_tunnel.c b/net/ipv6/ip6_tunnel.c index 7d25bbe32110..c595bbe1ed99 100644 --- a/net/ipv6/ip6_tunnel.c +++ b/net/ipv6/ip6_tunnel.c @@ -1043,11 +1043,6 @@ ip6_tnl_xmit(struct sk_buff *skb, struct net_device *dev) struct net_device_stats *stats = &t->dev->stats; int ret; - if (t->recursion++) { - stats->collisions++; - goto tx_err; - } - switch (skb->protocol) { case htons(ETH_P_IP): ret = ip4ip6_tnl_xmit(skb, dev); @@ -1062,14 +1057,12 @@ ip6_tnl_xmit(struct sk_buff *skb, struct net_device *dev) if (ret < 0) goto tx_err; - t->recursion--; return NETDEV_TX_OK; tx_err: stats->tx_errors++; stats->tx_dropped++; kfree_skb(skb); - t->recursion--; return NETDEV_TX_OK; } diff --git a/net/ipv6/ip6mr.c b/net/ipv6/ip6mr.c index 5c8d73730c75..716153941fc4 100644 --- a/net/ipv6/ip6mr.c +++ b/net/ipv6/ip6mr.c @@ -83,10 +83,6 @@ static int ip6mr_cache_report(struct net *net, struct sk_buff *pkt, static int ip6mr_fill_mroute(struct sk_buff *skb, struct mfc6_cache *c, struct rtmsg *rtm); static void mroute_clean_tables(struct net *net); -#ifdef CONFIG_IPV6_PIMSM_V2 -static struct inet6_protocol pim6_protocol; -#endif - static struct timer_list ipmr_expire_timer; @@ -328,7 +324,7 @@ static int ipmr_mfc_seq_show(struct seq_file *seq, void *v) return 0; } -static struct seq_operations ipmr_mfc_seq_ops = { +static const struct seq_operations ipmr_mfc_seq_ops = { .start = ipmr_mfc_seq_start, .next = ipmr_mfc_seq_next, .stop = ipmr_mfc_seq_stop, @@ -410,7 +406,7 @@ static int pim6_rcv(struct sk_buff *skb) return 0; } -static struct inet6_protocol pim6_protocol = { +static const struct inet6_protocol pim6_protocol = { .handler = pim6_rcv, }; @@ -1285,7 +1281,7 @@ int ip6mr_sk_done(struct sock *sk) * MOSPF/PIM router set up we can clean this up. */ -int ip6_mroute_setsockopt(struct sock *sk, int optname, char __user *optval, int optlen) +int ip6_mroute_setsockopt(struct sock *sk, int optname, char __user *optval, unsigned int optlen) { int ret; struct mif6ctl vif; diff --git a/net/ipv6/ipcomp6.c b/net/ipv6/ipcomp6.c index 79c172f1ff01..2f2a5ca2c878 100644 --- a/net/ipv6/ipcomp6.c +++ b/net/ipv6/ipcomp6.c @@ -178,7 +178,7 @@ static const struct xfrm_type ipcomp6_type = .hdr_offset = xfrm6_find_1stfragopt, }; -static struct inet6_protocol ipcomp6_protocol = +static const struct inet6_protocol ipcomp6_protocol = { .handler = xfrm6_rcv, .err_handler = ipcomp6_err, diff --git a/net/ipv6/ipv6_sockglue.c b/net/ipv6/ipv6_sockglue.c index f5e0682b402d..14f54eb5a7fc 100644 --- a/net/ipv6/ipv6_sockglue.c +++ b/net/ipv6/ipv6_sockglue.c @@ -123,7 +123,7 @@ struct ipv6_txoptions *ipv6_update_options(struct sock *sk, } static int do_ipv6_setsockopt(struct sock *sk, int level, int optname, - char __user *optval, int optlen) + char __user *optval, unsigned int optlen) { struct ipv6_pinfo *np = inet6_sk(sk); struct net *net = sock_net(sk); @@ -773,7 +773,7 @@ e_inval: } int ipv6_setsockopt(struct sock *sk, int level, int optname, - char __user *optval, int optlen) + char __user *optval, unsigned int optlen) { int err; @@ -801,7 +801,7 @@ EXPORT_SYMBOL(ipv6_setsockopt); #ifdef CONFIG_COMPAT int compat_ipv6_setsockopt(struct sock *sk, int level, int optname, - char __user *optval, int optlen) + char __user *optval, unsigned int optlen) { int err; diff --git a/net/ipv6/mcast.c b/net/ipv6/mcast.c index 71c3dacec1ed..f9fcf690bd5d 100644 --- a/net/ipv6/mcast.c +++ b/net/ipv6/mcast.c @@ -2249,6 +2249,25 @@ static void igmp6_timer_handler(unsigned long data) ma_put(ma); } +/* Device changing type */ + +void ipv6_mc_unmap(struct inet6_dev *idev) +{ + struct ifmcaddr6 *i; + + /* Install multicast list, except for all-nodes (already installed) */ + + read_lock_bh(&idev->lock); + for (i = idev->mc_list; i; i = i->next) + igmp6_group_dropped(i); + read_unlock_bh(&idev->lock); +} + +void ipv6_mc_remap(struct inet6_dev *idev) +{ + ipv6_mc_up(idev); +} + /* Device going down */ void ipv6_mc_down(struct inet6_dev *idev) diff --git a/net/ipv6/ndisc.c b/net/ipv6/ndisc.c index 7015478797f6..f74e4e2cdd06 100644 --- a/net/ipv6/ndisc.c +++ b/net/ipv6/ndisc.c @@ -658,7 +658,6 @@ void ndisc_send_rs(struct net_device *dev, const struct in6_addr *saddr, &icmp6h, NULL, send_sllao ? ND_OPT_SOURCE_LL_ADDR : 0); } -EXPORT_SYMBOL(ndisc_send_rs); static void ndisc_error_report(struct neighbour *neigh, struct sk_buff *skb) @@ -1735,7 +1734,7 @@ static void ndisc_warn_deprecated_sysctl(struct ctl_table *ctl, } } -int ndisc_ifinfo_sysctl_change(struct ctl_table *ctl, int write, struct file * filp, void __user *buffer, size_t *lenp, loff_t *ppos) +int ndisc_ifinfo_sysctl_change(struct ctl_table *ctl, int write, void __user *buffer, size_t *lenp, loff_t *ppos) { struct net_device *dev = ctl->extra1; struct inet6_dev *idev; @@ -1746,16 +1745,16 @@ int ndisc_ifinfo_sysctl_change(struct ctl_table *ctl, int write, struct file * f ndisc_warn_deprecated_sysctl(ctl, "syscall", dev ? dev->name : "default"); if (strcmp(ctl->procname, "retrans_time") == 0) - ret = proc_dointvec(ctl, write, filp, buffer, lenp, ppos); + ret = proc_dointvec(ctl, write, buffer, lenp, ppos); else if (strcmp(ctl->procname, "base_reachable_time") == 0) ret = proc_dointvec_jiffies(ctl, write, - filp, buffer, lenp, ppos); + buffer, lenp, ppos); else if ((strcmp(ctl->procname, "retrans_time_ms") == 0) || (strcmp(ctl->procname, "base_reachable_time_ms") == 0)) ret = proc_dointvec_ms_jiffies(ctl, write, - filp, buffer, lenp, ppos); + buffer, lenp, ppos); else ret = -1; diff --git a/net/ipv6/protocol.c b/net/ipv6/protocol.c index 568864f722ca..1fa3468f0f32 100644 --- a/net/ipv6/protocol.c +++ b/net/ipv6/protocol.c @@ -25,11 +25,11 @@ #include <linux/spinlock.h> #include <net/protocol.h> -struct inet6_protocol *inet6_protos[MAX_INET_PROTOS]; +const struct inet6_protocol *inet6_protos[MAX_INET_PROTOS]; static DEFINE_SPINLOCK(inet6_proto_lock); -int inet6_add_protocol(struct inet6_protocol *prot, unsigned char protocol) +int inet6_add_protocol(const struct inet6_protocol *prot, unsigned char protocol) { int ret, hash = protocol & (MAX_INET_PROTOS - 1); @@ -53,7 +53,7 @@ EXPORT_SYMBOL(inet6_add_protocol); * Remove a protocol from the hash tables. */ -int inet6_del_protocol(struct inet6_protocol *prot, unsigned char protocol) +int inet6_del_protocol(const struct inet6_protocol *prot, unsigned char protocol) { int ret, hash = protocol & (MAX_INET_PROTOS - 1); diff --git a/net/ipv6/raw.c b/net/ipv6/raw.c index 7d675b8d82d3..4f24570b0869 100644 --- a/net/ipv6/raw.c +++ b/net/ipv6/raw.c @@ -957,7 +957,7 @@ static int rawv6_geticmpfilter(struct sock *sk, int level, int optname, static int do_rawv6_setsockopt(struct sock *sk, int level, int optname, - char __user *optval, int optlen) + char __user *optval, unsigned int optlen) { struct raw6_sock *rp = raw6_sk(sk); int val; @@ -1000,7 +1000,7 @@ static int do_rawv6_setsockopt(struct sock *sk, int level, int optname, } static int rawv6_setsockopt(struct sock *sk, int level, int optname, - char __user *optval, int optlen) + char __user *optval, unsigned int optlen) { switch(level) { case SOL_RAW: @@ -1024,7 +1024,7 @@ static int rawv6_setsockopt(struct sock *sk, int level, int optname, #ifdef CONFIG_COMPAT static int compat_rawv6_setsockopt(struct sock *sk, int level, int optname, - char __user *optval, int optlen) + char __user *optval, unsigned int optlen) { switch (level) { case SOL_RAW: diff --git a/net/ipv6/reassembly.c b/net/ipv6/reassembly.c index 2642a41a8535..da5bd0ed83df 100644 --- a/net/ipv6/reassembly.c +++ b/net/ipv6/reassembly.c @@ -627,7 +627,7 @@ fail_hdr: return -1; } -static struct inet6_protocol frag_protocol = +static const struct inet6_protocol frag_protocol = { .handler = ipv6_frag_rcv, .flags = INET6_PROTO_NOPOLICY, diff --git a/net/ipv6/route.c b/net/ipv6/route.c index 9ccfef345560..d6fe7646a8ff 100644 --- a/net/ipv6/route.c +++ b/net/ipv6/route.c @@ -481,7 +481,7 @@ int rt6_route_rcv(struct net_device *dev, u8 *opt, int len, pref = rinfo->route_pref; if (pref == ICMPV6_ROUTER_PREF_INVALID) - pref = ICMPV6_ROUTER_PREF_MEDIUM; + return -EINVAL; lifetime = addrconf_timeout_fixup(ntohl(rinfo->lifetime), HZ); @@ -2524,13 +2524,13 @@ static const struct file_operations rt6_stats_seq_fops = { #ifdef CONFIG_SYSCTL static -int ipv6_sysctl_rtcache_flush(ctl_table *ctl, int write, struct file * filp, +int ipv6_sysctl_rtcache_flush(ctl_table *ctl, int write, void __user *buffer, size_t *lenp, loff_t *ppos) { struct net *net = current->nsproxy->net_ns; int delay = net->ipv6.sysctl.flush_delay; if (write) { - proc_dointvec(ctl, write, filp, buffer, lenp, ppos); + proc_dointvec(ctl, write, buffer, lenp, ppos); fib6_run_gc(delay <= 0 ? ~0UL : (unsigned long)delay, net); return 0; } else diff --git a/net/ipv6/sit.c b/net/ipv6/sit.c index 0ae4f6448187..dbd19a78ca73 100644 --- a/net/ipv6/sit.c +++ b/net/ipv6/sit.c @@ -15,7 +15,6 @@ * Roger Venning <r.venning@telstra.com>: 6to4 support * Nate Thompson <nate@thebog.net>: 6to4 support * Fred Templin <fred.l.templin@boeing.com>: isatap support - * Sascha Hlusiak <mail@saschahlusiak.de>: stateless autoconf for isatap */ #include <linux/module.h> @@ -223,44 +222,6 @@ failed: return NULL; } -static void ipip6_tunnel_rs_timer(unsigned long data) -{ - struct ip_tunnel_prl_entry *p = (struct ip_tunnel_prl_entry *) data; - struct inet6_dev *ifp; - struct inet6_ifaddr *addr; - - spin_lock(&p->lock); - ifp = __in6_dev_get(p->tunnel->dev); - - read_lock_bh(&ifp->lock); - for (addr = ifp->addr_list; addr; addr = addr->if_next) { - struct in6_addr rtr; - - if (!(ipv6_addr_type(&addr->addr) & IPV6_ADDR_LINKLOCAL)) - continue; - - /* Send RS to guessed linklocal address of router - * - * Better: send to ff02::2 encapsuled in unicast directly - * to router-v4 instead of guessing the v6 address. - * - * Cisco/Windows seem to not set the u/l bit correctly, - * so we won't guess right. - */ - ipv6_addr_set(&rtr, htonl(0xFE800000), 0, 0, 0); - if (!__ipv6_isatap_ifid(rtr.s6_addr + 8, - p->addr)) { - ndisc_send_rs(p->tunnel->dev, &addr->addr, &rtr); - } - } - read_unlock_bh(&ifp->lock); - - mod_timer(&p->rs_timer, jiffies + HZ * p->rs_delay); - spin_unlock(&p->lock); - - return; -} - static struct ip_tunnel_prl_entry * __ipip6_tunnel_locate_prl(struct ip_tunnel *t, __be32 addr) { @@ -313,13 +274,12 @@ static int ipip6_tunnel_get_prl(struct ip_tunnel *t, c = 0; for (prl = t->prl; prl; prl = prl->next) { - if (c > cmax) + if (c >= cmax) break; if (kprl.addr != htonl(INADDR_ANY) && prl->addr != kprl.addr) continue; kp[c].addr = prl->addr; kp[c].flags = prl->flags; - kp[c].rs_delay = prl->rs_delay; c++; if (kprl.addr != htonl(INADDR_ANY)) break; @@ -369,23 +329,11 @@ ipip6_tunnel_add_prl(struct ip_tunnel *t, struct ip_tunnel_prl *a, int chg) } p->next = t->prl; - p->tunnel = t; t->prl = p; t->prl_count++; - - spin_lock_init(&p->lock); - setup_timer(&p->rs_timer, ipip6_tunnel_rs_timer, (unsigned long) p); update: p->addr = a->addr; p->flags = a->flags; - p->rs_delay = a->rs_delay; - if (p->rs_delay == 0) - p->rs_delay = IPTUNNEL_RS_DEFAULT_DELAY; - spin_lock(&p->lock); - del_timer(&p->rs_timer); - if (p->flags & PRL_DEFAULT) - mod_timer(&p->rs_timer, jiffies + 1); - spin_unlock(&p->lock); out: write_unlock(&ipip6_lock); return err; @@ -404,9 +352,6 @@ ipip6_tunnel_del_prl(struct ip_tunnel *t, struct ip_tunnel_prl *a) if ((*p)->addr == a->addr) { x = *p; *p = x->next; - spin_lock(&x->lock); - del_timer(&x->rs_timer); - spin_unlock(&x->lock); kfree(x); t->prl_count--; goto out; @@ -417,9 +362,6 @@ ipip6_tunnel_del_prl(struct ip_tunnel *t, struct ip_tunnel_prl *a) while (t->prl) { x = t->prl; t->prl = t->prl->next; - spin_lock(&x->lock); - del_timer(&x->rs_timer); - spin_unlock(&x->lock); kfree(x); t->prl_count--; } @@ -626,11 +568,6 @@ static netdev_tx_t ipip6_tunnel_xmit(struct sk_buff *skb, struct in6_addr *addr6; int addr_type; - if (tunnel->recursion++) { - stats->collisions++; - goto tx_error; - } - if (skb->protocol != htons(ETH_P_IPV6)) goto tx_error; @@ -753,7 +690,6 @@ static netdev_tx_t ipip6_tunnel_xmit(struct sk_buff *skb, ip_rt_put(rt); stats->tx_dropped++; dev_kfree_skb(skb); - tunnel->recursion--; return NETDEV_TX_OK; } if (skb->sk) @@ -794,7 +730,6 @@ static netdev_tx_t ipip6_tunnel_xmit(struct sk_buff *skb, nf_reset(skb); IPTUNNEL_XMIT(); - tunnel->recursion--; return NETDEV_TX_OK; tx_error_icmp: @@ -802,7 +737,6 @@ tx_error_icmp: tx_error: stats->tx_errors++; dev_kfree_skb(skb); - tunnel->recursion--; return NETDEV_TX_OK; } diff --git a/net/ipv6/syncookies.c b/net/ipv6/syncookies.c index 8c2513982b61..6b6ae913b5d4 100644 --- a/net/ipv6/syncookies.c +++ b/net/ipv6/syncookies.c @@ -74,12 +74,13 @@ static inline struct sock *get_cookie_sock(struct sock *sk, struct sk_buff *skb, return child; } -static DEFINE_PER_CPU(__u32, cookie_scratch)[16 + 5 + SHA_WORKSPACE_WORDS]; +static DEFINE_PER_CPU(__u32 [16 + 5 + SHA_WORKSPACE_WORDS], + ipv6_cookie_scratch); static u32 cookie_hash(struct in6_addr *saddr, struct in6_addr *daddr, __be16 sport, __be16 dport, u32 count, int c) { - __u32 *tmp = __get_cpu_var(cookie_scratch); + __u32 *tmp = __get_cpu_var(ipv6_cookie_scratch); /* * we have 320 bits of information to hash, copy in the remaining diff --git a/net/ipv6/tcp_ipv6.c b/net/ipv6/tcp_ipv6.c index 3aae0f217d61..21d100b68b19 100644 --- a/net/ipv6/tcp_ipv6.c +++ b/net/ipv6/tcp_ipv6.c @@ -1846,7 +1846,7 @@ static int tcp_v6_init_sock(struct sock *sk) /* See draft-stevens-tcpca-spec-01 for discussion of the * initialization of these values. */ - tp->snd_ssthresh = 0x7fffffff; + tp->snd_ssthresh = TCP_INFINITE_SSTHRESH; tp->snd_cwnd_clamp = ~0; tp->mss_cache = 536; @@ -1969,7 +1969,8 @@ static void get_tcp6_sock(struct seq_file *seq, struct sock *sp, int i) jiffies_to_clock_t(icsk->icsk_rto), jiffies_to_clock_t(icsk->icsk_ack.ato), (icsk->icsk_ack.quick << 1 ) | icsk->icsk_ack.pingpong, - tp->snd_cwnd, tp->snd_ssthresh>=0xFFFF?-1:tp->snd_ssthresh + tp->snd_cwnd, + tcp_in_initial_slowstart(tp) ? -1 : tp->snd_ssthresh ); } @@ -2093,7 +2094,7 @@ struct proto tcpv6_prot = { #endif }; -static struct inet6_protocol tcpv6_protocol = { +static const struct inet6_protocol tcpv6_protocol = { .handler = tcp_v6_rcv, .err_handler = tcp_v6_err, .gso_send_check = tcp_v6_gso_send_check, diff --git a/net/ipv6/tunnel6.c b/net/ipv6/tunnel6.c index 633ad789effc..51e2832d13a6 100644 --- a/net/ipv6/tunnel6.c +++ b/net/ipv6/tunnel6.c @@ -133,13 +133,13 @@ static void tunnel6_err(struct sk_buff *skb, struct inet6_skb_parm *opt, break; } -static struct inet6_protocol tunnel6_protocol = { +static const struct inet6_protocol tunnel6_protocol = { .handler = tunnel6_rcv, .err_handler = tunnel6_err, .flags = INET6_PROTO_NOPOLICY|INET6_PROTO_FINAL, }; -static struct inet6_protocol tunnel46_protocol = { +static const struct inet6_protocol tunnel46_protocol = { .handler = tunnel46_rcv, .err_handler = tunnel6_err, .flags = INET6_PROTO_NOPOLICY|INET6_PROTO_FINAL, diff --git a/net/ipv6/udp.c b/net/ipv6/udp.c index 164040613c2e..3a60f12b34ed 100644 --- a/net/ipv6/udp.c +++ b/net/ipv6/udp.c @@ -1044,7 +1044,7 @@ void udpv6_destroy_sock(struct sock *sk) * Socket option code for UDP */ int udpv6_setsockopt(struct sock *sk, int level, int optname, - char __user *optval, int optlen) + char __user *optval, unsigned int optlen) { if (level == SOL_UDP || level == SOL_UDPLITE) return udp_lib_setsockopt(sk, level, optname, optval, optlen, @@ -1054,7 +1054,7 @@ int udpv6_setsockopt(struct sock *sk, int level, int optname, #ifdef CONFIG_COMPAT int compat_udpv6_setsockopt(struct sock *sk, int level, int optname, - char __user *optval, int optlen) + char __user *optval, unsigned int optlen) { if (level == SOL_UDP || level == SOL_UDPLITE) return udp_lib_setsockopt(sk, level, optname, optval, optlen, @@ -1172,7 +1172,7 @@ out: return segs; } -static struct inet6_protocol udpv6_protocol = { +static const struct inet6_protocol udpv6_protocol = { .handler = udpv6_rcv, .err_handler = udpv6_err, .gso_send_check = udp6_ufo_send_check, diff --git a/net/ipv6/udp_impl.h b/net/ipv6/udp_impl.h index 6bb303471e20..d7571046bfc4 100644 --- a/net/ipv6/udp_impl.h +++ b/net/ipv6/udp_impl.h @@ -16,10 +16,10 @@ extern int udp_v6_get_port(struct sock *sk, unsigned short snum); extern int udpv6_getsockopt(struct sock *sk, int level, int optname, char __user *optval, int __user *optlen); extern int udpv6_setsockopt(struct sock *sk, int level, int optname, - char __user *optval, int optlen); + char __user *optval, unsigned int optlen); #ifdef CONFIG_COMPAT extern int compat_udpv6_setsockopt(struct sock *sk, int level, int optname, - char __user *optval, int optlen); + char __user *optval, unsigned int optlen); extern int compat_udpv6_getsockopt(struct sock *sk, int level, int optname, char __user *optval, int __user *optlen); #endif diff --git a/net/ipv6/udplite.c b/net/ipv6/udplite.c index 4818c48688f2..d737a27ee010 100644 --- a/net/ipv6/udplite.c +++ b/net/ipv6/udplite.c @@ -25,7 +25,7 @@ static void udplitev6_err(struct sk_buff *skb, __udp6_lib_err(skb, opt, type, code, offset, info, &udplite_table); } -static struct inet6_protocol udplitev6_protocol = { +static const struct inet6_protocol udplitev6_protocol = { .handler = udplitev6_rcv, .err_handler = udplitev6_err, .flags = INET6_PROTO_NOPOLICY|INET6_PROTO_FINAL, diff --git a/net/ipx/af_ipx.c b/net/ipx/af_ipx.c index f1118d92a191..66c7a20011f3 100644 --- a/net/ipx/af_ipx.c +++ b/net/ipx/af_ipx.c @@ -1292,7 +1292,7 @@ const char *ipx_device_name(struct ipx_interface *intrfc) * socket object. */ static int ipx_setsockopt(struct socket *sock, int level, int optname, - char __user *optval, int optlen) + char __user *optval, unsigned int optlen) { struct sock *sk = sock->sk; int opt; diff --git a/net/irda/af_irda.c b/net/irda/af_irda.c index 50b43c57d5d8..dd35641835f4 100644 --- a/net/irda/af_irda.c +++ b/net/irda/af_irda.c @@ -1826,7 +1826,7 @@ static int irda_compat_ioctl(struct socket *sock, unsigned int cmd, unsigned lon * */ static int irda_setsockopt(struct socket *sock, int level, int optname, - char __user *optval, int optlen) + char __user *optval, unsigned int optlen) { struct sock *sk = sock->sk; struct irda_sock *self = irda_sk(sk); diff --git a/net/irda/ircomm/ircomm_tty_attach.c b/net/irda/ircomm/ircomm_tty_attach.c index eafc010907c2..3c1754023022 100644 --- a/net/irda/ircomm/ircomm_tty_attach.c +++ b/net/irda/ircomm/ircomm_tty_attach.c @@ -30,6 +30,7 @@ ********************************************************************/ #include <linux/init.h> +#include <linux/sched.h> #include <net/irda/irda.h> #include <net/irda/irlmp.h> diff --git a/net/irda/irlan/irlan_common.c b/net/irda/irlan/irlan_common.c index 62116829b817..315ead3cb926 100644 --- a/net/irda/irlan/irlan_common.c +++ b/net/irda/irlan/irlan_common.c @@ -30,6 +30,7 @@ #include <linux/init.h> #include <linux/errno.h> #include <linux/proc_fs.h> +#include <linux/sched.h> #include <linux/seq_file.h> #include <linux/random.h> #include <linux/netdevice.h> diff --git a/net/irda/irlan/irlan_eth.c b/net/irda/irlan/irlan_eth.c index 7b6b631f647f..d340110f5c0c 100644 --- a/net/irda/irlan/irlan_eth.c +++ b/net/irda/irlan/irlan_eth.c @@ -30,6 +30,7 @@ #include <linux/inetdevice.h> #include <linux/if_arp.h> #include <linux/module.h> +#include <linux/sched.h> #include <net/arp.h> #include <net/irda/irda.h> diff --git a/net/irda/irnet/irnet_irda.c b/net/irda/irnet/irnet_irda.c index cf9a4b531a98..cccc2e93234f 100644 --- a/net/irda/irnet/irnet_irda.c +++ b/net/irda/irnet/irnet_irda.c @@ -9,6 +9,7 @@ */ #include "irnet_irda.h" /* Private header */ +#include <linux/sched.h> #include <linux/seq_file.h> #include <asm/unaligned.h> diff --git a/net/irda/irnet/irnet_ppp.c b/net/irda/irnet/irnet_ppp.c index 68cbcb19cbd8..7dea882dbb75 100644 --- a/net/irda/irnet/irnet_ppp.c +++ b/net/irda/irnet/irnet_ppp.c @@ -13,6 +13,7 @@ * 2) as a control channel (write commands, read events) */ +#include <linux/sched.h> #include <linux/smp_lock.h> #include "irnet_ppp.h" /* Private header */ /* Please put other headers in irnet.h - Thanks */ diff --git a/net/irda/irsysctl.c b/net/irda/irsysctl.c index 57f8817c3979..5c86567e5a78 100644 --- a/net/irda/irsysctl.c +++ b/net/irda/irsysctl.c @@ -73,12 +73,12 @@ static int min_lap_keepalive_time = 100; /* 100us */ /* For other sysctl, I've no idea of the range. Maybe Dag could help * us on that - Jean II */ -static int do_devname(ctl_table *table, int write, struct file *filp, +static int do_devname(ctl_table *table, int write, void __user *buffer, size_t *lenp, loff_t *ppos) { int ret; - ret = proc_dostring(table, write, filp, buffer, lenp, ppos); + ret = proc_dostring(table, write, buffer, lenp, ppos); if (ret == 0 && write) { struct ias_value *val; @@ -90,12 +90,12 @@ static int do_devname(ctl_table *table, int write, struct file *filp, } -static int do_discovery(ctl_table *table, int write, struct file *filp, +static int do_discovery(ctl_table *table, int write, void __user *buffer, size_t *lenp, loff_t *ppos) { int ret; - ret = proc_dointvec(table, write, filp, buffer, lenp, ppos); + ret = proc_dointvec(table, write, buffer, lenp, ppos); if (ret) return ret; diff --git a/net/iucv/af_iucv.c b/net/iucv/af_iucv.c index 49c15b48408e..bada1b9c670b 100644 --- a/net/iucv/af_iucv.c +++ b/net/iucv/af_iucv.c @@ -34,7 +34,7 @@ static char iucv_userid[80]; -static struct proto_ops iucv_sock_ops; +static const struct proto_ops iucv_sock_ops; static struct proto iucv_proto = { .name = "AF_IUCV", @@ -59,8 +59,8 @@ do { \ DEFINE_WAIT(__wait); \ long __timeo = timeo; \ ret = 0; \ + prepare_to_wait(sk->sk_sleep, &__wait, TASK_INTERRUPTIBLE); \ while (!(condition)) { \ - prepare_to_wait(sk->sk_sleep, &__wait, TASK_INTERRUPTIBLE); \ if (!__timeo) { \ ret = -EAGAIN; \ break; \ @@ -361,10 +361,9 @@ static void iucv_sock_cleanup_listen(struct sock *parent) } parent->sk_state = IUCV_CLOSED; - sock_set_flag(parent, SOCK_ZAPPED); } -/* Kill socket */ +/* Kill socket (only if zapped and orphaned) */ static void iucv_sock_kill(struct sock *sk) { if (!sock_flag(sk, SOCK_ZAPPED) || sk->sk_socket) @@ -426,17 +425,18 @@ static void iucv_sock_close(struct sock *sk) skb_queue_purge(&iucv->send_skb_q); skb_queue_purge(&iucv->backlog_skb_q); - - sock_set_flag(sk, SOCK_ZAPPED); break; default: sock_set_flag(sk, SOCK_ZAPPED); + /* nothing to do here */ break; } + /* mark socket for deletion by iucv_sock_kill() */ + sock_set_flag(sk, SOCK_ZAPPED); + release_sock(sk); - iucv_sock_kill(sk); } static void iucv_sock_init(struct sock *sk, struct sock *parent) @@ -569,6 +569,7 @@ struct sock *iucv_accept_dequeue(struct sock *parent, struct socket *newsock) if (sk->sk_state == IUCV_CONNECTED || sk->sk_state == IUCV_SEVERED || + sk->sk_state == IUCV_DISCONN || /* due to PM restore */ !newsock) { iucv_accept_unlink(sk); if (newsock) @@ -1035,6 +1036,10 @@ out: return err; } +/* iucv_fragment_skb() - Fragment a single IUCV message into multiple skb's + * + * Locking: must be called with message_q.lock held + */ static int iucv_fragment_skb(struct sock *sk, struct sk_buff *skb, int len) { int dataleft, size, copied = 0; @@ -1069,6 +1074,10 @@ static int iucv_fragment_skb(struct sock *sk, struct sk_buff *skb, int len) return 0; } +/* iucv_process_message() - Receive a single outstanding IUCV message + * + * Locking: must be called with message_q.lock held + */ static void iucv_process_message(struct sock *sk, struct sk_buff *skb, struct iucv_path *path, struct iucv_message *msg) @@ -1119,6 +1128,10 @@ static void iucv_process_message(struct sock *sk, struct sk_buff *skb, skb_queue_head(&iucv_sk(sk)->backlog_skb_q, skb); } +/* iucv_process_message_q() - Process outstanding IUCV messages + * + * Locking: must be called with message_q.lock held + */ static void iucv_process_message_q(struct sock *sk) { struct iucv_sock *iucv = iucv_sk(sk); @@ -1209,6 +1222,7 @@ static int iucv_sock_recvmsg(struct kiocb *iocb, struct socket *sock, kfree_skb(skb); /* Queue backlog skbs */ + spin_lock_bh(&iucv->message_q.lock); rskb = skb_dequeue(&iucv->backlog_skb_q); while (rskb) { if (sock_queue_rcv_skb(sk, rskb)) { @@ -1220,11 +1234,10 @@ static int iucv_sock_recvmsg(struct kiocb *iocb, struct socket *sock, } } if (skb_queue_empty(&iucv->backlog_skb_q)) { - spin_lock_bh(&iucv->message_q.lock); if (!list_empty(&iucv->message_q.list)) iucv_process_message_q(sk); - spin_unlock_bh(&iucv->message_q.lock); } + spin_unlock_bh(&iucv->message_q.lock); } done: @@ -1374,7 +1387,7 @@ static int iucv_sock_release(struct socket *sock) /* getsockopt and setsockopt */ static int iucv_sock_setsockopt(struct socket *sock, int level, int optname, - char __user *optval, int optlen) + char __user *optval, unsigned int optlen) { struct sock *sk = sock->sk; struct iucv_sock *iucv = iucv_sk(sk); @@ -1682,7 +1695,7 @@ static void iucv_callback_shutdown(struct iucv_path *path, u8 ipuser[16]) bh_unlock_sock(sk); } -static struct proto_ops iucv_sock_ops = { +static const struct proto_ops iucv_sock_ops = { .family = PF_IUCV, .owner = THIS_MODULE, .release = iucv_sock_release, diff --git a/net/iucv/iucv.c b/net/iucv/iucv.c index c833481d32e3..3973d0e61e56 100644 --- a/net/iucv/iucv.c +++ b/net/iucv/iucv.c @@ -79,6 +79,14 @@ static int iucv_bus_match(struct device *dev, struct device_driver *drv) return 0; } +enum iucv_pm_states { + IUCV_PM_INITIAL = 0, + IUCV_PM_FREEZING = 1, + IUCV_PM_THAWING = 2, + IUCV_PM_RESTORING = 3, +}; +static enum iucv_pm_states iucv_pm_state; + static int iucv_pm_prepare(struct device *); static void iucv_pm_complete(struct device *); static int iucv_pm_freeze(struct device *); @@ -354,7 +362,7 @@ static int iucv_query_maxconn(void) " srl %0,28\n" : "=d" (ccode), "+d" (reg0), "+d" (reg1) : : "cc"); if (ccode == 0) - iucv_max_pathid = reg0; + iucv_max_pathid = reg1; kfree(param); return ccode ? -EPERM : 0; } @@ -856,7 +864,7 @@ int iucv_path_accept(struct iucv_path *path, struct iucv_handler *handler, int rc; local_bh_disable(); - if (!cpu_isset(smp_processor_id(), iucv_buffer_cpumask)) { + if (cpus_empty(iucv_buffer_cpumask)) { rc = -EIO; goto out; } @@ -905,7 +913,7 @@ int iucv_path_connect(struct iucv_path *path, struct iucv_handler *handler, spin_lock_bh(&iucv_table_lock); iucv_cleanup_queue(); - if (!cpu_isset(smp_processor_id(), iucv_buffer_cpumask)) { + if (cpus_empty(iucv_buffer_cpumask)) { rc = -EIO; goto out; } @@ -965,7 +973,7 @@ int iucv_path_quiesce(struct iucv_path *path, u8 userdata[16]) int rc; local_bh_disable(); - if (!cpu_isset(smp_processor_id(), iucv_buffer_cpumask)) { + if (cpus_empty(iucv_buffer_cpumask)) { rc = -EIO; goto out; } @@ -997,7 +1005,7 @@ int iucv_path_resume(struct iucv_path *path, u8 userdata[16]) int rc; local_bh_disable(); - if (!cpu_isset(smp_processor_id(), iucv_buffer_cpumask)) { + if (cpus_empty(iucv_buffer_cpumask)) { rc = -EIO; goto out; } @@ -1026,7 +1034,7 @@ int iucv_path_sever(struct iucv_path *path, u8 userdata[16]) int rc; preempt_disable(); - if (!cpu_isset(smp_processor_id(), iucv_buffer_cpumask)) { + if (cpus_empty(iucv_buffer_cpumask)) { rc = -EIO; goto out; } @@ -1060,7 +1068,7 @@ int iucv_message_purge(struct iucv_path *path, struct iucv_message *msg, int rc; local_bh_disable(); - if (!cpu_isset(smp_processor_id(), iucv_buffer_cpumask)) { + if (cpus_empty(iucv_buffer_cpumask)) { rc = -EIO; goto out; } @@ -1152,7 +1160,7 @@ int __iucv_message_receive(struct iucv_path *path, struct iucv_message *msg, if (msg->flags & IUCV_IPRMDATA) return iucv_message_receive_iprmdata(path, msg, flags, buffer, size, residual); - if (!cpu_isset(smp_processor_id(), iucv_buffer_cpumask)) { + if (cpus_empty(iucv_buffer_cpumask)) { rc = -EIO; goto out; } @@ -1225,7 +1233,7 @@ int iucv_message_reject(struct iucv_path *path, struct iucv_message *msg) int rc; local_bh_disable(); - if (!cpu_isset(smp_processor_id(), iucv_buffer_cpumask)) { + if (cpus_empty(iucv_buffer_cpumask)) { rc = -EIO; goto out; } @@ -1264,7 +1272,7 @@ int iucv_message_reply(struct iucv_path *path, struct iucv_message *msg, int rc; local_bh_disable(); - if (!cpu_isset(smp_processor_id(), iucv_buffer_cpumask)) { + if (cpus_empty(iucv_buffer_cpumask)) { rc = -EIO; goto out; } @@ -1314,7 +1322,7 @@ int __iucv_message_send(struct iucv_path *path, struct iucv_message *msg, union iucv_param *parm; int rc; - if (!cpu_isset(smp_processor_id(), iucv_buffer_cpumask)) { + if (cpus_empty(iucv_buffer_cpumask)) { rc = -EIO; goto out; } @@ -1401,7 +1409,7 @@ int iucv_message_send2way(struct iucv_path *path, struct iucv_message *msg, int rc; local_bh_disable(); - if (!cpu_isset(smp_processor_id(), iucv_buffer_cpumask)) { + if (cpus_empty(iucv_buffer_cpumask)) { rc = -EIO; goto out; } @@ -1875,6 +1883,7 @@ static int iucv_pm_freeze(struct device *dev) #ifdef CONFIG_PM_DEBUG printk(KERN_WARNING "iucv_pm_freeze\n"); #endif + iucv_pm_state = IUCV_PM_FREEZING; for_each_cpu_mask_nr(cpu, iucv_irq_cpumask) smp_call_function_single(cpu, iucv_block_cpu_almost, NULL, 1); if (dev->driver && dev->driver->pm && dev->driver->pm->freeze) @@ -1899,6 +1908,7 @@ static int iucv_pm_thaw(struct device *dev) #ifdef CONFIG_PM_DEBUG printk(KERN_WARNING "iucv_pm_thaw\n"); #endif + iucv_pm_state = IUCV_PM_THAWING; if (!iucv_path_table) { rc = iucv_enable(); if (rc) @@ -1933,6 +1943,10 @@ static int iucv_pm_restore(struct device *dev) #ifdef CONFIG_PM_DEBUG printk(KERN_WARNING "iucv_pm_restore %p\n", iucv_path_table); #endif + if ((iucv_pm_state != IUCV_PM_RESTORING) && iucv_path_table) + pr_warning("Suspending Linux did not completely close all IUCV " + "connections\n"); + iucv_pm_state = IUCV_PM_RESTORING; if (cpus_empty(iucv_irq_cpumask)) { rc = iucv_query_maxconn(); rc = iucv_enable(); diff --git a/net/llc/af_llc.c b/net/llc/af_llc.c index c45eee1c0e8d..7aa4fd170104 100644 --- a/net/llc/af_llc.c +++ b/net/llc/af_llc.c @@ -973,7 +973,7 @@ static int llc_ui_ioctl(struct socket *sock, unsigned int cmd, * Set various connection specific parameters. */ static int llc_ui_setsockopt(struct socket *sock, int level, int optname, - char __user *optval, int optlen) + char __user *optval, unsigned int optlen) { struct sock *sk = sock->sk; struct llc_sock *llc = llc_sk(sk); diff --git a/net/mac80211/mlme.c b/net/mac80211/mlme.c index 97a278a2f48e..8d26e9bf8964 100644 --- a/net/mac80211/mlme.c +++ b/net/mac80211/mlme.c @@ -1388,8 +1388,8 @@ ieee80211_rx_mgmt_disassoc(struct ieee80211_sub_if_data *sdata, reason_code = le16_to_cpu(mgmt->u.disassoc.reason_code); - printk(KERN_DEBUG "%s: disassociated (Reason: %u)\n", - sdata->dev->name, reason_code); + printk(KERN_DEBUG "%s: disassociated from %pM (Reason: %u)\n", + sdata->dev->name, mgmt->sa, reason_code); ieee80211_set_disassoc(sdata, false); return RX_MGMT_CFG80211_DISASSOC; @@ -1675,7 +1675,7 @@ static void ieee80211_rx_mgmt_probe_resp(struct ieee80211_sub_if_data *sdata, /* direct probe may be part of the association flow */ if (wk && wk->state == IEEE80211_MGD_STATE_PROBE) { - printk(KERN_DEBUG "%s direct probe responded\n", + printk(KERN_DEBUG "%s: direct probe responded\n", sdata->dev->name); wk->tries = 0; wk->state = IEEE80211_MGD_STATE_AUTH; @@ -2502,9 +2502,6 @@ int ieee80211_mgd_deauth(struct ieee80211_sub_if_data *sdata, struct ieee80211_mgd_work *wk; const u8 *bssid = NULL; - printk(KERN_DEBUG "%s: deauthenticating by local choice (reason=%d)\n", - sdata->dev->name, req->reason_code); - mutex_lock(&ifmgd->mtx); if (ifmgd->associated && &ifmgd->associated->cbss == req->bss) { @@ -2532,6 +2529,9 @@ int ieee80211_mgd_deauth(struct ieee80211_sub_if_data *sdata, mutex_unlock(&ifmgd->mtx); + printk(KERN_DEBUG "%s: deauthenticating from %pM by local choice (reason=%d)\n", + sdata->dev->name, bssid, req->reason_code); + ieee80211_send_deauth_disassoc(sdata, bssid, IEEE80211_STYPE_DEAUTH, req->reason_code, cookie); @@ -2545,9 +2545,6 @@ int ieee80211_mgd_disassoc(struct ieee80211_sub_if_data *sdata, { struct ieee80211_if_managed *ifmgd = &sdata->u.mgd; - printk(KERN_DEBUG "%s: disassociating by local choice (reason=%d)\n", - sdata->dev->name, req->reason_code); - mutex_lock(&ifmgd->mtx); /* @@ -2561,6 +2558,9 @@ int ieee80211_mgd_disassoc(struct ieee80211_sub_if_data *sdata, return -ENOLINK; } + printk(KERN_DEBUG "%s: disassociating from %pM by local choice (reason=%d)\n", + sdata->dev->name, req->bss->bssid, req->reason_code); + ieee80211_set_disassoc(sdata, false); mutex_unlock(&ifmgd->mtx); diff --git a/net/mac80211/rc80211_minstrel.c b/net/mac80211/rc80211_minstrel.c index 7c5142988bbb..6e5d68b4e427 100644 --- a/net/mac80211/rc80211_minstrel.c +++ b/net/mac80211/rc80211_minstrel.c @@ -418,7 +418,7 @@ minstrel_rate_init(void *priv, struct ieee80211_supported_band *sband, /* contention window */ tx_time_single += t_slot + min(cw, mp->cw_max); - cw = (cw + 1) << 1; + cw = (cw << 1) | 1; tx_time += tx_time_single; tx_time_cts += tx_time_single + mi->sp_ack_dur; diff --git a/net/mac80211/rc80211_pid_debugfs.c b/net/mac80211/rc80211_pid_debugfs.c index a59043fbb0ff..45667054a5f3 100644 --- a/net/mac80211/rc80211_pid_debugfs.c +++ b/net/mac80211/rc80211_pid_debugfs.c @@ -6,6 +6,7 @@ * published by the Free Software Foundation. */ +#include <linux/sched.h> #include <linux/spinlock.h> #include <linux/poll.h> #include <linux/netdevice.h> diff --git a/net/mac80211/scan.c b/net/mac80211/scan.c index 039901109fa1..71e10cabf811 100644 --- a/net/mac80211/scan.c +++ b/net/mac80211/scan.c @@ -90,8 +90,8 @@ ieee80211_bss_info_update(struct ieee80211_local *local, bss->dtim_period = tim_ie->dtim_period; } - /* set default value for buggy APs */ - if (!elems->tim || bss->dtim_period == 0) + /* set default value for buggy AP/no TIM element */ + if (bss->dtim_period == 0) bss->dtim_period = 1; bss->supp_rates_len = 0; diff --git a/net/mac80211/tx.c b/net/mac80211/tx.c index 5143d203256b..fd4028296613 100644 --- a/net/mac80211/tx.c +++ b/net/mac80211/tx.c @@ -367,7 +367,10 @@ ieee80211_tx_h_unicast_ps_buf(struct ieee80211_tx_data *tx) struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)tx->skb->data; u32 staflags; - if (unlikely(!sta || ieee80211_is_probe_resp(hdr->frame_control))) + if (unlikely(!sta || ieee80211_is_probe_resp(hdr->frame_control) + || ieee80211_is_auth(hdr->frame_control) + || ieee80211_is_assoc_resp(hdr->frame_control) + || ieee80211_is_reassoc_resp(hdr->frame_control))) return TX_CONTINUE; staflags = get_sta_flags(sta); diff --git a/net/netfilter/ipvs/ip_vs_ctl.c b/net/netfilter/ipvs/ip_vs_ctl.c index fba2892b99e1..446e9bd4b4bc 100644 --- a/net/netfilter/ipvs/ip_vs_ctl.c +++ b/net/netfilter/ipvs/ip_vs_ctl.c @@ -1496,14 +1496,14 @@ static int ip_vs_zero_all(void) static int -proc_do_defense_mode(ctl_table *table, int write, struct file * filp, +proc_do_defense_mode(ctl_table *table, int write, void __user *buffer, size_t *lenp, loff_t *ppos) { int *valp = table->data; int val = *valp; int rc; - rc = proc_dointvec(table, write, filp, buffer, lenp, ppos); + rc = proc_dointvec(table, write, buffer, lenp, ppos); if (write && (*valp != val)) { if ((*valp < 0) || (*valp > 3)) { /* Restore the correct value */ @@ -1517,7 +1517,7 @@ proc_do_defense_mode(ctl_table *table, int write, struct file * filp, static int -proc_do_sync_threshold(ctl_table *table, int write, struct file *filp, +proc_do_sync_threshold(ctl_table *table, int write, void __user *buffer, size_t *lenp, loff_t *ppos) { int *valp = table->data; @@ -1527,7 +1527,7 @@ proc_do_sync_threshold(ctl_table *table, int write, struct file *filp, /* backup the value first */ memcpy(val, valp, sizeof(val)); - rc = proc_dointvec(table, write, filp, buffer, lenp, ppos); + rc = proc_dointvec(table, write, buffer, lenp, ppos); if (write && (valp[0] < 0 || valp[1] < 0 || valp[0] >= valp[1])) { /* Restore the correct value */ memcpy(valp, val, sizeof(val)); diff --git a/net/netfilter/nf_conntrack_core.c b/net/netfilter/nf_conntrack_core.c index b37109817a98..ca6e68dcd8a8 100644 --- a/net/netfilter/nf_conntrack_core.c +++ b/net/netfilter/nf_conntrack_core.c @@ -14,6 +14,7 @@ #include <linux/types.h> #include <linux/netfilter.h> #include <linux/module.h> +#include <linux/sched.h> #include <linux/skbuff.h> #include <linux/proc_fs.h> #include <linux/vmalloc.h> @@ -1245,9 +1246,9 @@ static int nf_conntrack_init_init_net(void) * machine has 512 buckets. >= 1GB machines have 16384 buckets. */ if (!nf_conntrack_htable_size) { nf_conntrack_htable_size - = (((num_physpages << PAGE_SHIFT) / 16384) + = (((totalram_pages << PAGE_SHIFT) / 16384) / sizeof(struct hlist_head)); - if (num_physpages > (1024 * 1024 * 1024 / PAGE_SIZE)) + if (totalram_pages > (1024 * 1024 * 1024 / PAGE_SIZE)) nf_conntrack_htable_size = 16384; if (nf_conntrack_htable_size < 32) nf_conntrack_htable_size = 32; diff --git a/net/netfilter/nf_log.c b/net/netfilter/nf_log.c index 4e620305f28c..c93494fef8ef 100644 --- a/net/netfilter/nf_log.c +++ b/net/netfilter/nf_log.c @@ -226,7 +226,7 @@ static char nf_log_sysctl_fnames[NFPROTO_NUMPROTO-NFPROTO_UNSPEC][3]; static struct ctl_table nf_log_sysctl_table[NFPROTO_NUMPROTO+1]; static struct ctl_table_header *nf_log_dir_header; -static int nf_log_proc_dostring(ctl_table *table, int write, struct file *filp, +static int nf_log_proc_dostring(ctl_table *table, int write, void __user *buffer, size_t *lenp, loff_t *ppos) { const struct nf_logger *logger; @@ -260,7 +260,7 @@ static int nf_log_proc_dostring(ctl_table *table, int write, struct file *filp, table->data = "NONE"; else table->data = logger->name; - r = proc_dostring(table, write, filp, buffer, lenp, ppos); + r = proc_dostring(table, write, buffer, lenp, ppos); mutex_unlock(&nf_log_mutex); } diff --git a/net/netfilter/nf_sockopt.c b/net/netfilter/nf_sockopt.c index 8ab829f86574..f042ae521557 100644 --- a/net/netfilter/nf_sockopt.c +++ b/net/netfilter/nf_sockopt.c @@ -113,7 +113,7 @@ static int nf_sockopt(struct sock *sk, u_int8_t pf, int val, } int nf_setsockopt(struct sock *sk, u_int8_t pf, int val, char __user *opt, - int len) + unsigned int len) { return nf_sockopt(sk, pf, val, opt, &len, 0); } @@ -154,7 +154,7 @@ static int compat_nf_sockopt(struct sock *sk, u_int8_t pf, int val, } int compat_nf_setsockopt(struct sock *sk, u_int8_t pf, - int val, char __user *opt, int len) + int val, char __user *opt, unsigned int len) { return compat_nf_sockopt(sk, pf, val, opt, &len, 0); } diff --git a/net/netfilter/x_tables.c b/net/netfilter/x_tables.c index a6ac83a93348..f01955cce314 100644 --- a/net/netfilter/x_tables.c +++ b/net/netfilter/x_tables.c @@ -617,7 +617,7 @@ struct xt_table_info *xt_alloc_table_info(unsigned int size) int cpu; /* Pedantry: prevent them from hitting BUG() in vmalloc.c --RR */ - if ((SMP_ALIGN(size) >> PAGE_SHIFT) + 2 > num_physpages) + if ((SMP_ALIGN(size) >> PAGE_SHIFT) + 2 > totalram_pages) return NULL; newinfo = kzalloc(XT_TABLE_INFO_SZ, GFP_KERNEL); diff --git a/net/netfilter/xt_hashlimit.c b/net/netfilter/xt_hashlimit.c index 219dcdbe388c..dd16e404424f 100644 --- a/net/netfilter/xt_hashlimit.c +++ b/net/netfilter/xt_hashlimit.c @@ -194,9 +194,9 @@ static int htable_create_v0(struct xt_hashlimit_info *minfo, u_int8_t family) if (minfo->cfg.size) size = minfo->cfg.size; else { - size = ((num_physpages << PAGE_SHIFT) / 16384) / + size = ((totalram_pages << PAGE_SHIFT) / 16384) / sizeof(struct list_head); - if (num_physpages > (1024 * 1024 * 1024 / PAGE_SIZE)) + if (totalram_pages > (1024 * 1024 * 1024 / PAGE_SIZE)) size = 8192; if (size < 16) size = 16; @@ -266,9 +266,9 @@ static int htable_create(struct xt_hashlimit_mtinfo1 *minfo, u_int8_t family) if (minfo->cfg.size) { size = minfo->cfg.size; } else { - size = (num_physpages << PAGE_SHIFT) / 16384 / + size = (totalram_pages << PAGE_SHIFT) / 16384 / sizeof(struct list_head); - if (num_physpages > 1024 * 1024 * 1024 / PAGE_SIZE) + if (totalram_pages > 1024 * 1024 * 1024 / PAGE_SIZE) size = 8192; if (size < 16) size = 16; diff --git a/net/netlink/af_netlink.c b/net/netlink/af_netlink.c index d0ff382c40ca..19e98007691c 100644 --- a/net/netlink/af_netlink.c +++ b/net/netlink/af_netlink.c @@ -177,9 +177,11 @@ static void netlink_sock_destruct(struct sock *sk) * this, _but_ remember, it adds useless work on UP machines. */ -static void netlink_table_grab(void) +void netlink_table_grab(void) __acquires(nl_table_lock) { + might_sleep(); + write_lock_irq(&nl_table_lock); if (atomic_read(&nl_table_users)) { @@ -200,7 +202,7 @@ static void netlink_table_grab(void) } } -static void netlink_table_ungrab(void) +void netlink_table_ungrab(void) __releases(nl_table_lock) { write_unlock_irq(&nl_table_lock); @@ -1148,7 +1150,7 @@ static void netlink_update_socket_mc(struct netlink_sock *nlk, } static int netlink_setsockopt(struct socket *sock, int level, int optname, - char __user *optval, int optlen) + char __user *optval, unsigned int optlen) { struct sock *sk = sock->sk; struct netlink_sock *nlk = nlk_sk(sk); @@ -1549,37 +1551,21 @@ static void netlink_free_old_listeners(struct rcu_head *rcu_head) kfree(lrh->ptr); } -/** - * netlink_change_ngroups - change number of multicast groups - * - * This changes the number of multicast groups that are available - * on a certain netlink family. Note that it is not possible to - * change the number of groups to below 32. Also note that it does - * not implicitly call netlink_clear_multicast_users() when the - * number of groups is reduced. - * - * @sk: The kernel netlink socket, as returned by netlink_kernel_create(). - * @groups: The new number of groups. - */ -int netlink_change_ngroups(struct sock *sk, unsigned int groups) +int __netlink_change_ngroups(struct sock *sk, unsigned int groups) { unsigned long *listeners, *old = NULL; struct listeners_rcu_head *old_rcu_head; struct netlink_table *tbl = &nl_table[sk->sk_protocol]; - int err = 0; if (groups < 32) groups = 32; - netlink_table_grab(); if (NLGRPSZ(tbl->groups) < NLGRPSZ(groups)) { listeners = kzalloc(NLGRPSZ(groups) + sizeof(struct listeners_rcu_head), GFP_ATOMIC); - if (!listeners) { - err = -ENOMEM; - goto out_ungrab; - } + if (!listeners) + return -ENOMEM; old = tbl->listeners; memcpy(listeners, old, NLGRPSZ(tbl->groups)); rcu_assign_pointer(tbl->listeners, listeners); @@ -1597,11 +1583,42 @@ int netlink_change_ngroups(struct sock *sk, unsigned int groups) } tbl->groups = groups; - out_ungrab: + return 0; +} + +/** + * netlink_change_ngroups - change number of multicast groups + * + * This changes the number of multicast groups that are available + * on a certain netlink family. Note that it is not possible to + * change the number of groups to below 32. Also note that it does + * not implicitly call netlink_clear_multicast_users() when the + * number of groups is reduced. + * + * @sk: The kernel netlink socket, as returned by netlink_kernel_create(). + * @groups: The new number of groups. + */ +int netlink_change_ngroups(struct sock *sk, unsigned int groups) +{ + int err; + + netlink_table_grab(); + err = __netlink_change_ngroups(sk, groups); netlink_table_ungrab(); + return err; } +void __netlink_clear_multicast_users(struct sock *ksk, unsigned int group) +{ + struct sock *sk; + struct hlist_node *node; + struct netlink_table *tbl = &nl_table[ksk->sk_protocol]; + + sk_for_each_bound(sk, node, &tbl->mc_list) + netlink_update_socket_mc(nlk_sk(sk), group, 0); +} + /** * netlink_clear_multicast_users - kick off multicast listeners * @@ -1612,15 +1629,8 @@ int netlink_change_ngroups(struct sock *sk, unsigned int groups) */ void netlink_clear_multicast_users(struct sock *ksk, unsigned int group) { - struct sock *sk; - struct hlist_node *node; - struct netlink_table *tbl = &nl_table[ksk->sk_protocol]; - netlink_table_grab(); - - sk_for_each_bound(sk, node, &tbl->mc_list) - netlink_update_socket_mc(nlk_sk(sk), group, 0); - + __netlink_clear_multicast_users(ksk, group); netlink_table_ungrab(); } @@ -1778,7 +1788,7 @@ void netlink_ack(struct sk_buff *in_skb, struct nlmsghdr *nlh, int err) } rep = __nlmsg_put(skb, NETLINK_CB(in_skb).pid, nlh->nlmsg_seq, - NLMSG_ERROR, sizeof(struct nlmsgerr), 0); + NLMSG_ERROR, payload, 0); errmsg = nlmsg_data(rep); errmsg->error = err; memcpy(&errmsg->msg, nlh, err ? nlh->nlmsg_len : sizeof(*nlh)); @@ -2084,10 +2094,10 @@ static int __init netlink_proto_init(void) if (!nl_table) goto panic; - if (num_physpages >= (128 * 1024)) - limit = num_physpages >> (21 - PAGE_SHIFT); + if (totalram_pages >= (128 * 1024)) + limit = totalram_pages >> (21 - PAGE_SHIFT); else - limit = num_physpages >> (23 - PAGE_SHIFT); + limit = totalram_pages >> (23 - PAGE_SHIFT); order = get_bitmask_order(limit) - 1 + PAGE_SHIFT; limit = (1UL << order) / sizeof(struct hlist_head); diff --git a/net/netlink/genetlink.c b/net/netlink/genetlink.c index 66f6ba0bab11..44ff3f3810fa 100644 --- a/net/netlink/genetlink.c +++ b/net/netlink/genetlink.c @@ -176,9 +176,10 @@ int genl_register_mc_group(struct genl_family *family, if (family->netnsok) { struct net *net; + netlink_table_grab(); rcu_read_lock(); for_each_net_rcu(net) { - err = netlink_change_ngroups(net->genl_sock, + err = __netlink_change_ngroups(net->genl_sock, mc_groups_longs * BITS_PER_LONG); if (err) { /* @@ -188,10 +189,12 @@ int genl_register_mc_group(struct genl_family *family, * increased on some sockets which is ok. */ rcu_read_unlock(); + netlink_table_ungrab(); goto out; } } rcu_read_unlock(); + netlink_table_ungrab(); } else { err = netlink_change_ngroups(init_net.genl_sock, mc_groups_longs * BITS_PER_LONG); @@ -217,10 +220,12 @@ static void __genl_unregister_mc_group(struct genl_family *family, struct net *net; BUG_ON(grp->family != family); + netlink_table_grab(); rcu_read_lock(); for_each_net_rcu(net) - netlink_clear_multicast_users(net->genl_sock, grp->id); + __netlink_clear_multicast_users(net->genl_sock, grp->id); rcu_read_unlock(); + netlink_table_ungrab(); clear_bit(grp->id, mc_groups); list_del(&grp->list); diff --git a/net/netrom/af_netrom.c b/net/netrom/af_netrom.c index ce1a34b99c23..7a834952f67f 100644 --- a/net/netrom/af_netrom.c +++ b/net/netrom/af_netrom.c @@ -301,7 +301,7 @@ void nr_destroy_socket(struct sock *sk) */ static int nr_setsockopt(struct socket *sock, int level, int optname, - char __user *optval, int optlen) + char __user *optval, unsigned int optlen) { struct sock *sk = sock->sk; struct nr_sock *nr = nr_sk(sk); diff --git a/net/packet/af_packet.c b/net/packet/af_packet.c index d3d52c66cdc2..d7ecca0a0c07 100644 --- a/net/packet/af_packet.c +++ b/net/packet/af_packet.c @@ -1701,7 +1701,7 @@ static void packet_flush_mclist(struct sock *sk) } static int -packet_setsockopt(struct socket *sock, int level, int optname, char __user *optval, int optlen) +packet_setsockopt(struct socket *sock, int level, int optname, char __user *optval, unsigned int optlen) { struct sock *sk = sock->sk; struct packet_sock *po = pkt_sk(sk); @@ -2084,7 +2084,7 @@ static void packet_mm_close(struct vm_area_struct *vma) atomic_dec(&pkt_sk(sk)->mapped); } -static struct vm_operations_struct packet_mmap_ops = { +static const struct vm_operations_struct packet_mmap_ops = { .open = packet_mm_open, .close = packet_mm_close, }; diff --git a/net/phonet/af_phonet.c b/net/phonet/af_phonet.c index a662e62a99cf..f60c0c2aacba 100644 --- a/net/phonet/af_phonet.c +++ b/net/phonet/af_phonet.c @@ -168,6 +168,12 @@ static int pn_send(struct sk_buff *skb, struct net_device *dev, goto drop; } + /* Broadcast sending is not implemented */ + if (pn_addr(dst) == PNADDR_BROADCAST) { + err = -EOPNOTSUPP; + goto drop; + } + skb_reset_transport_header(skb); WARN_ON(skb_headroom(skb) & 1); /* HW assumes word alignment */ skb_push(skb, sizeof(struct phonethdr)); diff --git a/net/phonet/pep.c b/net/phonet/pep.c index b8252d289cd7..5f32d217535b 100644 --- a/net/phonet/pep.c +++ b/net/phonet/pep.c @@ -742,7 +742,7 @@ static int pep_init(struct sock *sk) } static int pep_setsockopt(struct sock *sk, int level, int optname, - char __user *optval, int optlen) + char __user *optval, unsigned int optlen) { struct pep_sock *pn = pep_sk(sk); int val = 0, err = 0; diff --git a/net/phonet/pn_dev.c b/net/phonet/pn_dev.c index 2f65dcaed2fb..5f42f30dd168 100644 --- a/net/phonet/pn_dev.c +++ b/net/phonet/pn_dev.c @@ -209,7 +209,14 @@ static int phonet_device_autoconf(struct net_device *dev) SIOCPNGAUTOCONF); if (ret < 0) return ret; - return phonet_address_add(dev, req.ifr_phonet_autoconf.device); + + ASSERT_RTNL(); + ret = phonet_address_add(dev, req.ifr_phonet_autoconf.device); + if (ret) + return ret; + phonet_address_notify(RTM_NEWADDR, dev, + req.ifr_phonet_autoconf.device); + return 0; } /* notify Phonet of device events */ diff --git a/net/phonet/socket.c b/net/phonet/socket.c index 7a4ee397d2f7..aa5b5a972bff 100644 --- a/net/phonet/socket.c +++ b/net/phonet/socket.c @@ -113,6 +113,8 @@ void pn_sock_unhash(struct sock *sk) } EXPORT_SYMBOL(pn_sock_unhash); +static DEFINE_MUTEX(port_mutex); + static int pn_socket_bind(struct socket *sock, struct sockaddr *addr, int len) { struct sock *sk = sock->sk; @@ -140,9 +142,11 @@ static int pn_socket_bind(struct socket *sock, struct sockaddr *addr, int len) err = -EINVAL; /* attempt to rebind */ goto out; } + WARN_ON(sk_hashed(sk)); + mutex_lock(&port_mutex); err = sk->sk_prot->get_port(sk, pn_port(handle)); if (err) - goto out; + goto out_port; /* get_port() sets the port, bind() sets the address if applicable */ pn->sobject = pn_object(saddr, pn_port(pn->sobject)); @@ -150,6 +154,8 @@ static int pn_socket_bind(struct socket *sock, struct sockaddr *addr, int len) /* Enable RX on the socket */ sk->sk_prot->hash(sk); +out_port: + mutex_unlock(&port_mutex); out: release_sock(sk); return err; @@ -357,8 +363,6 @@ const struct proto_ops phonet_stream_ops = { }; EXPORT_SYMBOL(phonet_stream_ops); -static DEFINE_MUTEX(port_mutex); - /* allocate port for a socket */ int pn_sock_get_port(struct sock *sk, unsigned short sport) { @@ -370,9 +374,7 @@ int pn_sock_get_port(struct sock *sk, unsigned short sport) memset(&try_sa, 0, sizeof(struct sockaddr_pn)); try_sa.spn_family = AF_PHONET; - - mutex_lock(&port_mutex); - + WARN_ON(!mutex_is_locked(&port_mutex)); if (!sport) { /* search free port */ int port, pmin, pmax; @@ -401,13 +403,10 @@ int pn_sock_get_port(struct sock *sk, unsigned short sport) else sock_put(tmpsk); } - mutex_unlock(&port_mutex); - /* the port must be in use already */ return -EADDRINUSE; found: - mutex_unlock(&port_mutex); pn->sobject = pn_object(pn_addr(pn->sobject), sport); return 0; } diff --git a/net/phonet/sysctl.c b/net/phonet/sysctl.c index 7b5749ee2765..2220f3322326 100644 --- a/net/phonet/sysctl.c +++ b/net/phonet/sysctl.c @@ -56,7 +56,7 @@ void phonet_get_local_port_range(int *min, int *max) } while (read_seqretry(&local_port_range_lock, seq)); } -static int proc_local_port_range(ctl_table *table, int write, struct file *filp, +static int proc_local_port_range(ctl_table *table, int write, void __user *buffer, size_t *lenp, loff_t *ppos) { @@ -70,7 +70,7 @@ static int proc_local_port_range(ctl_table *table, int write, struct file *filp, .extra2 = &local_port_range_max, }; - ret = proc_dointvec_minmax(&tmp, write, filp, buffer, lenp, ppos); + ret = proc_dointvec_minmax(&tmp, write, buffer, lenp, ppos); if (write && ret == 0) { if (range[1] < range[0]) diff --git a/net/rds/af_rds.c b/net/rds/af_rds.c index 108ed2e671c5..98e05382fd3c 100644 --- a/net/rds/af_rds.c +++ b/net/rds/af_rds.c @@ -248,7 +248,7 @@ static int rds_cong_monitor(struct rds_sock *rs, char __user *optval, } static int rds_setsockopt(struct socket *sock, int level, int optname, - char __user *optval, int optlen) + char __user *optval, unsigned int optlen) { struct rds_sock *rs = rds_sk_to_rs(sock->sk); int ret; @@ -359,7 +359,7 @@ static struct proto rds_proto = { .obj_size = sizeof(struct rds_sock), }; -static struct proto_ops rds_proto_ops = { +static const struct proto_ops rds_proto_ops = { .family = AF_RDS, .owner = THIS_MODULE, .release = rds_release, diff --git a/net/rds/ib_stats.c b/net/rds/ib_stats.c index 8d8488306fe4..d2c904dd6fbc 100644 --- a/net/rds/ib_stats.c +++ b/net/rds/ib_stats.c @@ -37,7 +37,7 @@ #include "rds.h" #include "ib.h" -DEFINE_PER_CPU(struct rds_ib_statistics, rds_ib_stats) ____cacheline_aligned; +DEFINE_PER_CPU_SHARED_ALIGNED(struct rds_ib_statistics, rds_ib_stats); static const char *const rds_ib_stat_names[] = { "ib_connect_raced", diff --git a/net/rds/iw_stats.c b/net/rds/iw_stats.c index d33ea790484e..5fe67f6a1d80 100644 --- a/net/rds/iw_stats.c +++ b/net/rds/iw_stats.c @@ -37,7 +37,7 @@ #include "rds.h" #include "iw.h" -DEFINE_PER_CPU(struct rds_iw_statistics, rds_iw_stats) ____cacheline_aligned; +DEFINE_PER_CPU_SHARED_ALIGNED(struct rds_iw_statistics, rds_iw_stats); static const char *const rds_iw_stat_names[] = { "iw_connect_raced", diff --git a/net/rds/page.c b/net/rds/page.c index 55c21efdb62e..36790122dfd4 100644 --- a/net/rds/page.c +++ b/net/rds/page.c @@ -39,7 +39,7 @@ struct rds_page_remainder { unsigned long r_offset; }; -DEFINE_PER_CPU(struct rds_page_remainder, rds_page_remainders) ____cacheline_aligned; +DEFINE_PER_CPU_SHARED_ALIGNED(struct rds_page_remainder, rds_page_remainders); /* * returns 0 on success or -errno on failure. diff --git a/net/rfkill/core.c b/net/rfkill/core.c index dbeaf2983822..ba2efb960c60 100644 --- a/net/rfkill/core.c +++ b/net/rfkill/core.c @@ -27,6 +27,7 @@ #include <linux/list.h> #include <linux/mutex.h> #include <linux/rfkill.h> +#include <linux/sched.h> #include <linux/spinlock.h> #include <linux/miscdevice.h> #include <linux/wait.h> diff --git a/net/rose/af_rose.c b/net/rose/af_rose.c index e5f478ca3d61..502cce76621d 100644 --- a/net/rose/af_rose.c +++ b/net/rose/af_rose.c @@ -63,7 +63,7 @@ int sysctl_rose_window_size = ROSE_DEFAULT_WINDOW_SIZE; static HLIST_HEAD(rose_list); static DEFINE_SPINLOCK(rose_list_lock); -static struct proto_ops rose_proto_ops; +static const struct proto_ops rose_proto_ops; ax25_address rose_callsign; @@ -370,7 +370,7 @@ void rose_destroy_socket(struct sock *sk) */ static int rose_setsockopt(struct socket *sock, int level, int optname, - char __user *optval, int optlen) + char __user *optval, unsigned int optlen) { struct sock *sk = sock->sk; struct rose_sock *rose = rose_sk(sk); @@ -1515,7 +1515,7 @@ static struct net_proto_family rose_family_ops = { .owner = THIS_MODULE, }; -static struct proto_ops rose_proto_ops = { +static const struct proto_ops rose_proto_ops = { .family = PF_ROSE, .owner = THIS_MODULE, .release = rose_release, diff --git a/net/rxrpc/af_rxrpc.c b/net/rxrpc/af_rxrpc.c index bfe493ebf27c..a86afceaa94f 100644 --- a/net/rxrpc/af_rxrpc.c +++ b/net/rxrpc/af_rxrpc.c @@ -507,7 +507,7 @@ out: * set RxRPC socket options */ static int rxrpc_setsockopt(struct socket *sock, int level, int optname, - char __user *optval, int optlen) + char __user *optval, unsigned int optlen) { struct rxrpc_sock *rx = rxrpc_sk(sock->sk); unsigned min_sec_level; diff --git a/net/rxrpc/ar-ack.c b/net/rxrpc/ar-ack.c index c9f1f0a3a2ff..b4a220977031 100644 --- a/net/rxrpc/ar-ack.c +++ b/net/rxrpc/ar-ack.c @@ -40,7 +40,7 @@ static const s8 rxrpc_ack_priority[] = { /* * propose an ACK be sent */ -void __rxrpc_propose_ACK(struct rxrpc_call *call, uint8_t ack_reason, +void __rxrpc_propose_ACK(struct rxrpc_call *call, u8 ack_reason, __be32 serial, bool immediate) { unsigned long expiry; @@ -120,7 +120,7 @@ cancel_timer: /* * propose an ACK be sent, locking the call structure */ -void rxrpc_propose_ACK(struct rxrpc_call *call, uint8_t ack_reason, +void rxrpc_propose_ACK(struct rxrpc_call *call, u8 ack_reason, __be32 serial, bool immediate) { s8 prior = rxrpc_ack_priority[ack_reason]; @@ -520,7 +520,7 @@ static void rxrpc_zap_tx_window(struct rxrpc_call *call) struct rxrpc_skb_priv *sp; struct sk_buff *skb; unsigned long _skb, *acks_window; - uint8_t winsz = call->acks_winsz; + u8 winsz = call->acks_winsz; int tail; acks_window = call->acks_window; diff --git a/net/rxrpc/ar-call.c b/net/rxrpc/ar-call.c index d9231245a79a..bc0019f704fe 100644 --- a/net/rxrpc/ar-call.c +++ b/net/rxrpc/ar-call.c @@ -96,7 +96,7 @@ static struct rxrpc_call *rxrpc_alloc_call(gfp_t gfp) } /* - * allocate a new client call and attempt to to get a connection slot for it + * allocate a new client call and attempt to get a connection slot for it */ static struct rxrpc_call *rxrpc_alloc_client_call( struct rxrpc_sock *rx, diff --git a/net/rxrpc/ar-internal.h b/net/rxrpc/ar-internal.h index 3e7318c1343c..7043b294bb67 100644 --- a/net/rxrpc/ar-internal.h +++ b/net/rxrpc/ar-internal.h @@ -229,7 +229,7 @@ struct rxrpc_conn_bundle { int debug_id; /* debug ID for printks */ unsigned short num_conns; /* number of connections in this bundle */ __be16 service_id; /* service ID */ - uint8_t security_ix; /* security type */ + u8 security_ix; /* security type */ }; /* @@ -370,10 +370,10 @@ struct rxrpc_call { u8 channel; /* connection channel occupied by this call */ /* transmission-phase ACK management */ - uint8_t acks_head; /* offset into window of first entry */ - uint8_t acks_tail; /* offset into window of last entry */ - uint8_t acks_winsz; /* size of un-ACK'd window */ - uint8_t acks_unacked; /* lowest unacked packet in last ACK received */ + u8 acks_head; /* offset into window of first entry */ + u8 acks_tail; /* offset into window of last entry */ + u8 acks_winsz; /* size of un-ACK'd window */ + u8 acks_unacked; /* lowest unacked packet in last ACK received */ int acks_latest; /* serial number of latest ACK received */ rxrpc_seq_t acks_hard; /* highest definitively ACK'd msg seq */ unsigned long *acks_window; /* sent packet window @@ -388,7 +388,7 @@ struct rxrpc_call { rxrpc_seq_t rx_first_oos; /* first packet in rx_oos_queue (or 0) */ rxrpc_seq_t ackr_win_top; /* top of ACK window (rx_data_eaten is bottom) */ rxrpc_seq_net_t ackr_prev_seq; /* previous sequence number received */ - uint8_t ackr_reason; /* reason to ACK */ + u8 ackr_reason; /* reason to ACK */ __be32 ackr_serial; /* serial of packet being ACK'd */ atomic_t ackr_not_idle; /* number of packets in Rx queue */ @@ -402,22 +402,6 @@ struct rxrpc_call { }; /* - * RxRPC key for Kerberos (type-2 security) - */ -struct rxkad_key { - u16 security_index; /* RxRPC header security index */ - u16 ticket_len; /* length of ticket[] */ - u32 expiry; /* time at which expires */ - u32 kvno; /* key version number */ - u8 session_key[8]; /* DES session key */ - u8 ticket[0]; /* the encrypted ticket */ -}; - -struct rxrpc_key_payload { - struct rxkad_key k; -}; - -/* * locally abort an RxRPC call */ static inline void rxrpc_abort_call(struct rxrpc_call *call, u32 abort_code) @@ -450,8 +434,8 @@ extern int rxrpc_reject_call(struct rxrpc_sock *); /* * ar-ack.c */ -extern void __rxrpc_propose_ACK(struct rxrpc_call *, uint8_t, __be32, bool); -extern void rxrpc_propose_ACK(struct rxrpc_call *, uint8_t, __be32, bool); +extern void __rxrpc_propose_ACK(struct rxrpc_call *, u8, __be32, bool); +extern void rxrpc_propose_ACK(struct rxrpc_call *, u8, __be32, bool); extern void rxrpc_process_call(struct work_struct *); /* diff --git a/net/rxrpc/ar-key.c b/net/rxrpc/ar-key.c index ad8c7a782da1..74697b200496 100644 --- a/net/rxrpc/ar-key.c +++ b/net/rxrpc/ar-key.c @@ -17,6 +17,7 @@ #include <linux/skbuff.h> #include <linux/key-type.h> #include <linux/crypto.h> +#include <linux/ctype.h> #include <net/sock.h> #include <net/af_rxrpc.h> #include <keys/rxrpc-type.h> @@ -28,6 +29,7 @@ static int rxrpc_instantiate_s(struct key *, const void *, size_t); static void rxrpc_destroy(struct key *); static void rxrpc_destroy_s(struct key *); static void rxrpc_describe(const struct key *, struct seq_file *); +static long rxrpc_read(const struct key *, char __user *, size_t); /* * rxrpc defined keys take an arbitrary string as the description and an @@ -39,6 +41,7 @@ struct key_type key_type_rxrpc = { .match = user_match, .destroy = rxrpc_destroy, .describe = rxrpc_describe, + .read = rxrpc_read, }; EXPORT_SYMBOL(key_type_rxrpc); @@ -55,6 +58,595 @@ struct key_type key_type_rxrpc_s = { }; /* + * parse an RxKAD type XDR format token + * - the caller guarantees we have at least 4 words + */ +static int rxrpc_instantiate_xdr_rxkad(struct key *key, const __be32 *xdr, + unsigned toklen) +{ + struct rxrpc_key_token *token, **pptoken; + size_t plen; + u32 tktlen; + int ret; + + _enter(",{%x,%x,%x,%x},%u", + ntohl(xdr[0]), ntohl(xdr[1]), ntohl(xdr[2]), ntohl(xdr[3]), + toklen); + + if (toklen <= 8 * 4) + return -EKEYREJECTED; + tktlen = ntohl(xdr[7]); + _debug("tktlen: %x", tktlen); + if (tktlen > AFSTOKEN_RK_TIX_MAX) + return -EKEYREJECTED; + if (8 * 4 + tktlen != toklen) + return -EKEYREJECTED; + + plen = sizeof(*token) + sizeof(*token->kad) + tktlen; + ret = key_payload_reserve(key, key->datalen + plen); + if (ret < 0) + return ret; + + plen -= sizeof(*token); + token = kmalloc(sizeof(*token), GFP_KERNEL); + if (!token) + return -ENOMEM; + + token->kad = kmalloc(plen, GFP_KERNEL); + if (!token->kad) { + kfree(token); + return -ENOMEM; + } + + token->security_index = RXRPC_SECURITY_RXKAD; + token->kad->ticket_len = tktlen; + token->kad->vice_id = ntohl(xdr[0]); + token->kad->kvno = ntohl(xdr[1]); + token->kad->start = ntohl(xdr[4]); + token->kad->expiry = ntohl(xdr[5]); + token->kad->primary_flag = ntohl(xdr[6]); + memcpy(&token->kad->session_key, &xdr[2], 8); + memcpy(&token->kad->ticket, &xdr[8], tktlen); + + _debug("SCIX: %u", token->security_index); + _debug("TLEN: %u", token->kad->ticket_len); + _debug("EXPY: %x", token->kad->expiry); + _debug("KVNO: %u", token->kad->kvno); + _debug("PRIM: %u", token->kad->primary_flag); + _debug("SKEY: %02x%02x%02x%02x%02x%02x%02x%02x", + token->kad->session_key[0], token->kad->session_key[1], + token->kad->session_key[2], token->kad->session_key[3], + token->kad->session_key[4], token->kad->session_key[5], + token->kad->session_key[6], token->kad->session_key[7]); + if (token->kad->ticket_len >= 8) + _debug("TCKT: %02x%02x%02x%02x%02x%02x%02x%02x", + token->kad->ticket[0], token->kad->ticket[1], + token->kad->ticket[2], token->kad->ticket[3], + token->kad->ticket[4], token->kad->ticket[5], + token->kad->ticket[6], token->kad->ticket[7]); + + /* count the number of tokens attached */ + key->type_data.x[0]++; + + /* attach the data */ + for (pptoken = (struct rxrpc_key_token **)&key->payload.data; + *pptoken; + pptoken = &(*pptoken)->next) + continue; + *pptoken = token; + if (token->kad->expiry < key->expiry) + key->expiry = token->kad->expiry; + + _leave(" = 0"); + return 0; +} + +static void rxrpc_free_krb5_principal(struct krb5_principal *princ) +{ + int loop; + + if (princ->name_parts) { + for (loop = princ->n_name_parts - 1; loop >= 0; loop--) + kfree(princ->name_parts[loop]); + kfree(princ->name_parts); + } + kfree(princ->realm); +} + +static void rxrpc_free_krb5_tagged(struct krb5_tagged_data *td) +{ + kfree(td->data); +} + +/* + * free up an RxK5 token + */ +static void rxrpc_rxk5_free(struct rxk5_key *rxk5) +{ + int loop; + + rxrpc_free_krb5_principal(&rxk5->client); + rxrpc_free_krb5_principal(&rxk5->server); + rxrpc_free_krb5_tagged(&rxk5->session); + + if (rxk5->addresses) { + for (loop = rxk5->n_addresses - 1; loop >= 0; loop--) + rxrpc_free_krb5_tagged(&rxk5->addresses[loop]); + kfree(rxk5->addresses); + } + if (rxk5->authdata) { + for (loop = rxk5->n_authdata - 1; loop >= 0; loop--) + rxrpc_free_krb5_tagged(&rxk5->authdata[loop]); + kfree(rxk5->authdata); + } + + kfree(rxk5->ticket); + kfree(rxk5->ticket2); + kfree(rxk5); +} + +/* + * extract a krb5 principal + */ +static int rxrpc_krb5_decode_principal(struct krb5_principal *princ, + const __be32 **_xdr, + unsigned *_toklen) +{ + const __be32 *xdr = *_xdr; + unsigned toklen = *_toklen, n_parts, loop, tmp; + + /* there must be at least one name, and at least #names+1 length + * words */ + if (toklen <= 12) + return -EINVAL; + + _enter(",{%x,%x,%x},%u", + ntohl(xdr[0]), ntohl(xdr[1]), ntohl(xdr[2]), toklen); + + n_parts = ntohl(*xdr++); + toklen -= 4; + if (n_parts <= 0 || n_parts > AFSTOKEN_K5_COMPONENTS_MAX) + return -EINVAL; + princ->n_name_parts = n_parts; + + if (toklen <= (n_parts + 1) * 4) + return -EINVAL; + + princ->name_parts = kcalloc(sizeof(char *), n_parts, GFP_KERNEL); + if (!princ->name_parts) + return -ENOMEM; + + for (loop = 0; loop < n_parts; loop++) { + if (toklen < 4) + return -EINVAL; + tmp = ntohl(*xdr++); + toklen -= 4; + if (tmp <= 0 || tmp > AFSTOKEN_STRING_MAX) + return -EINVAL; + if (tmp > toklen) + return -EINVAL; + princ->name_parts[loop] = kmalloc(tmp + 1, GFP_KERNEL); + if (!princ->name_parts[loop]) + return -ENOMEM; + memcpy(princ->name_parts[loop], xdr, tmp); + princ->name_parts[loop][tmp] = 0; + tmp = (tmp + 3) & ~3; + toklen -= tmp; + xdr += tmp >> 2; + } + + if (toklen < 4) + return -EINVAL; + tmp = ntohl(*xdr++); + toklen -= 4; + if (tmp <= 0 || tmp > AFSTOKEN_K5_REALM_MAX) + return -EINVAL; + if (tmp > toklen) + return -EINVAL; + princ->realm = kmalloc(tmp + 1, GFP_KERNEL); + if (!princ->realm) + return -ENOMEM; + memcpy(princ->realm, xdr, tmp); + princ->realm[tmp] = 0; + tmp = (tmp + 3) & ~3; + toklen -= tmp; + xdr += tmp >> 2; + + _debug("%s/...@%s", princ->name_parts[0], princ->realm); + + *_xdr = xdr; + *_toklen = toklen; + _leave(" = 0 [toklen=%u]", toklen); + return 0; +} + +/* + * extract a piece of krb5 tagged data + */ +static int rxrpc_krb5_decode_tagged_data(struct krb5_tagged_data *td, + size_t max_data_size, + const __be32 **_xdr, + unsigned *_toklen) +{ + const __be32 *xdr = *_xdr; + unsigned toklen = *_toklen, len; + + /* there must be at least one tag and one length word */ + if (toklen <= 8) + return -EINVAL; + + _enter(",%zu,{%x,%x},%u", + max_data_size, ntohl(xdr[0]), ntohl(xdr[1]), toklen); + + td->tag = ntohl(*xdr++); + len = ntohl(*xdr++); + toklen -= 8; + if (len > max_data_size) + return -EINVAL; + td->data_len = len; + + if (len > 0) { + td->data = kmalloc(len, GFP_KERNEL); + if (!td->data) + return -ENOMEM; + memcpy(td->data, xdr, len); + len = (len + 3) & ~3; + toklen -= len; + xdr += len >> 2; + } + + _debug("tag %x len %x", td->tag, td->data_len); + + *_xdr = xdr; + *_toklen = toklen; + _leave(" = 0 [toklen=%u]", toklen); + return 0; +} + +/* + * extract an array of tagged data + */ +static int rxrpc_krb5_decode_tagged_array(struct krb5_tagged_data **_td, + u8 *_n_elem, + u8 max_n_elem, + size_t max_elem_size, + const __be32 **_xdr, + unsigned *_toklen) +{ + struct krb5_tagged_data *td; + const __be32 *xdr = *_xdr; + unsigned toklen = *_toklen, n_elem, loop; + int ret; + + /* there must be at least one count */ + if (toklen < 4) + return -EINVAL; + + _enter(",,%u,%zu,{%x},%u", + max_n_elem, max_elem_size, ntohl(xdr[0]), toklen); + + n_elem = ntohl(*xdr++); + toklen -= 4; + if (n_elem < 0 || n_elem > max_n_elem) + return -EINVAL; + *_n_elem = n_elem; + if (n_elem > 0) { + if (toklen <= (n_elem + 1) * 4) + return -EINVAL; + + _debug("n_elem %d", n_elem); + + td = kcalloc(sizeof(struct krb5_tagged_data), n_elem, + GFP_KERNEL); + if (!td) + return -ENOMEM; + *_td = td; + + for (loop = 0; loop < n_elem; loop++) { + ret = rxrpc_krb5_decode_tagged_data(&td[loop], + max_elem_size, + &xdr, &toklen); + if (ret < 0) + return ret; + } + } + + *_xdr = xdr; + *_toklen = toklen; + _leave(" = 0 [toklen=%u]", toklen); + return 0; +} + +/* + * extract a krb5 ticket + */ +static int rxrpc_krb5_decode_ticket(u8 **_ticket, u16 *_tktlen, + const __be32 **_xdr, unsigned *_toklen) +{ + const __be32 *xdr = *_xdr; + unsigned toklen = *_toklen, len; + + /* there must be at least one length word */ + if (toklen <= 4) + return -EINVAL; + + _enter(",{%x},%u", ntohl(xdr[0]), toklen); + + len = ntohl(*xdr++); + toklen -= 4; + if (len > AFSTOKEN_K5_TIX_MAX) + return -EINVAL; + *_tktlen = len; + + _debug("ticket len %u", len); + + if (len > 0) { + *_ticket = kmalloc(len, GFP_KERNEL); + if (!*_ticket) + return -ENOMEM; + memcpy(*_ticket, xdr, len); + len = (len + 3) & ~3; + toklen -= len; + xdr += len >> 2; + } + + *_xdr = xdr; + *_toklen = toklen; + _leave(" = 0 [toklen=%u]", toklen); + return 0; +} + +/* + * parse an RxK5 type XDR format token + * - the caller guarantees we have at least 4 words + */ +static int rxrpc_instantiate_xdr_rxk5(struct key *key, const __be32 *xdr, + unsigned toklen) +{ + struct rxrpc_key_token *token, **pptoken; + struct rxk5_key *rxk5; + const __be32 *end_xdr = xdr + (toklen >> 2); + int ret; + + _enter(",{%x,%x,%x,%x},%u", + ntohl(xdr[0]), ntohl(xdr[1]), ntohl(xdr[2]), ntohl(xdr[3]), + toklen); + + /* reserve some payload space for this subkey - the length of the token + * is a reasonable approximation */ + ret = key_payload_reserve(key, key->datalen + toklen); + if (ret < 0) + return ret; + + token = kzalloc(sizeof(*token), GFP_KERNEL); + if (!token) + return -ENOMEM; + + rxk5 = kzalloc(sizeof(*rxk5), GFP_KERNEL); + if (!rxk5) { + kfree(token); + return -ENOMEM; + } + + token->security_index = RXRPC_SECURITY_RXK5; + token->k5 = rxk5; + + /* extract the principals */ + ret = rxrpc_krb5_decode_principal(&rxk5->client, &xdr, &toklen); + if (ret < 0) + goto error; + ret = rxrpc_krb5_decode_principal(&rxk5->server, &xdr, &toklen); + if (ret < 0) + goto error; + + /* extract the session key and the encoding type (the tag field -> + * ENCTYPE_xxx) */ + ret = rxrpc_krb5_decode_tagged_data(&rxk5->session, AFSTOKEN_DATA_MAX, + &xdr, &toklen); + if (ret < 0) + goto error; + + if (toklen < 4 * 8 + 2 * 4) + goto inval; + rxk5->authtime = be64_to_cpup((const __be64 *) xdr); + xdr += 2; + rxk5->starttime = be64_to_cpup((const __be64 *) xdr); + xdr += 2; + rxk5->endtime = be64_to_cpup((const __be64 *) xdr); + xdr += 2; + rxk5->renew_till = be64_to_cpup((const __be64 *) xdr); + xdr += 2; + rxk5->is_skey = ntohl(*xdr++); + rxk5->flags = ntohl(*xdr++); + toklen -= 4 * 8 + 2 * 4; + + _debug("times: a=%llx s=%llx e=%llx rt=%llx", + rxk5->authtime, rxk5->starttime, rxk5->endtime, + rxk5->renew_till); + _debug("is_skey=%x flags=%x", rxk5->is_skey, rxk5->flags); + + /* extract the permitted client addresses */ + ret = rxrpc_krb5_decode_tagged_array(&rxk5->addresses, + &rxk5->n_addresses, + AFSTOKEN_K5_ADDRESSES_MAX, + AFSTOKEN_DATA_MAX, + &xdr, &toklen); + if (ret < 0) + goto error; + + ASSERTCMP((end_xdr - xdr) << 2, ==, toklen); + + /* extract the tickets */ + ret = rxrpc_krb5_decode_ticket(&rxk5->ticket, &rxk5->ticket_len, + &xdr, &toklen); + if (ret < 0) + goto error; + ret = rxrpc_krb5_decode_ticket(&rxk5->ticket2, &rxk5->ticket2_len, + &xdr, &toklen); + if (ret < 0) + goto error; + + ASSERTCMP((end_xdr - xdr) << 2, ==, toklen); + + /* extract the typed auth data */ + ret = rxrpc_krb5_decode_tagged_array(&rxk5->authdata, + &rxk5->n_authdata, + AFSTOKEN_K5_AUTHDATA_MAX, + AFSTOKEN_BDATALN_MAX, + &xdr, &toklen); + if (ret < 0) + goto error; + + ASSERTCMP((end_xdr - xdr) << 2, ==, toklen); + + if (toklen != 0) + goto inval; + + /* attach the payload to the key */ + for (pptoken = (struct rxrpc_key_token **)&key->payload.data; + *pptoken; + pptoken = &(*pptoken)->next) + continue; + *pptoken = token; + if (token->kad->expiry < key->expiry) + key->expiry = token->kad->expiry; + + _leave(" = 0"); + return 0; + +inval: + ret = -EINVAL; +error: + rxrpc_rxk5_free(rxk5); + kfree(token); + _leave(" = %d", ret); + return ret; +} + +/* + * attempt to parse the data as the XDR format + * - the caller guarantees we have more than 7 words + */ +static int rxrpc_instantiate_xdr(struct key *key, const void *data, size_t datalen) +{ + const __be32 *xdr = data, *token; + const char *cp; + unsigned len, tmp, loop, ntoken, toklen, sec_ix; + int ret; + + _enter(",{%x,%x,%x,%x},%zu", + ntohl(xdr[0]), ntohl(xdr[1]), ntohl(xdr[2]), ntohl(xdr[3]), + datalen); + + if (datalen > AFSTOKEN_LENGTH_MAX) + goto not_xdr; + + /* XDR is an array of __be32's */ + if (datalen & 3) + goto not_xdr; + + /* the flags should be 0 (the setpag bit must be handled by + * userspace) */ + if (ntohl(*xdr++) != 0) + goto not_xdr; + datalen -= 4; + + /* check the cell name */ + len = ntohl(*xdr++); + if (len < 1 || len > AFSTOKEN_CELL_MAX) + goto not_xdr; + datalen -= 4; + tmp = (len + 3) & ~3; + if (tmp > datalen) + goto not_xdr; + + cp = (const char *) xdr; + for (loop = 0; loop < len; loop++) + if (!isprint(cp[loop])) + goto not_xdr; + if (len < tmp) + for (; loop < tmp; loop++) + if (cp[loop]) + goto not_xdr; + _debug("cellname: [%u/%u] '%*.*s'", + len, tmp, len, len, (const char *) xdr); + datalen -= tmp; + xdr += tmp >> 2; + + /* get the token count */ + if (datalen < 12) + goto not_xdr; + ntoken = ntohl(*xdr++); + datalen -= 4; + _debug("ntoken: %x", ntoken); + if (ntoken < 1 || ntoken > AFSTOKEN_MAX) + goto not_xdr; + + /* check each token wrapper */ + token = xdr; + loop = ntoken; + do { + if (datalen < 8) + goto not_xdr; + toklen = ntohl(*xdr++); + sec_ix = ntohl(*xdr); + datalen -= 4; + _debug("token: [%x/%zx] %x", toklen, datalen, sec_ix); + if (toklen < 20 || toklen > datalen) + goto not_xdr; + datalen -= (toklen + 3) & ~3; + xdr += (toklen + 3) >> 2; + + } while (--loop > 0); + + _debug("remainder: %zu", datalen); + if (datalen != 0) + goto not_xdr; + + /* okay: we're going to assume it's valid XDR format + * - we ignore the cellname, relying on the key to be correctly named + */ + do { + xdr = token; + toklen = ntohl(*xdr++); + token = xdr + ((toklen + 3) >> 2); + sec_ix = ntohl(*xdr++); + toklen -= 4; + + _debug("TOKEN type=%u [%p-%p]", sec_ix, xdr, token); + + switch (sec_ix) { + case RXRPC_SECURITY_RXKAD: + ret = rxrpc_instantiate_xdr_rxkad(key, xdr, toklen); + if (ret != 0) + goto error; + break; + + case RXRPC_SECURITY_RXK5: + ret = rxrpc_instantiate_xdr_rxk5(key, xdr, toklen); + if (ret != 0) + goto error; + break; + + default: + ret = -EPROTONOSUPPORT; + goto error; + } + + } while (--ntoken > 0); + + _leave(" = 0"); + return 0; + +not_xdr: + _leave(" = -EPROTO"); + return -EPROTO; +error: + _leave(" = %d", ret); + return ret; +} + +/* * instantiate an rxrpc defined key * data should be of the form: * OFFSET LEN CONTENT @@ -70,8 +662,8 @@ struct key_type key_type_rxrpc_s = { */ static int rxrpc_instantiate(struct key *key, const void *data, size_t datalen) { - const struct rxkad_key *tsec; - struct rxrpc_key_payload *upayload; + const struct rxrpc_key_data_v1 *v1; + struct rxrpc_key_token *token, **pp; size_t plen; u32 kver; int ret; @@ -82,6 +674,13 @@ static int rxrpc_instantiate(struct key *key, const void *data, size_t datalen) if (!data && datalen == 0) return 0; + /* determine if the XDR payload format is being used */ + if (datalen > 7 * 4) { + ret = rxrpc_instantiate_xdr(key, data, datalen); + if (ret != -EPROTO) + return ret; + } + /* get the key interface version number */ ret = -EINVAL; if (datalen <= 4 || !data) @@ -98,53 +697,67 @@ static int rxrpc_instantiate(struct key *key, const void *data, size_t datalen) /* deal with a version 1 key */ ret = -EINVAL; - if (datalen < sizeof(*tsec)) + if (datalen < sizeof(*v1)) goto error; - tsec = data; - if (datalen != sizeof(*tsec) + tsec->ticket_len) + v1 = data; + if (datalen != sizeof(*v1) + v1->ticket_length) goto error; - _debug("SCIX: %u", tsec->security_index); - _debug("TLEN: %u", tsec->ticket_len); - _debug("EXPY: %x", tsec->expiry); - _debug("KVNO: %u", tsec->kvno); + _debug("SCIX: %u", v1->security_index); + _debug("TLEN: %u", v1->ticket_length); + _debug("EXPY: %x", v1->expiry); + _debug("KVNO: %u", v1->kvno); _debug("SKEY: %02x%02x%02x%02x%02x%02x%02x%02x", - tsec->session_key[0], tsec->session_key[1], - tsec->session_key[2], tsec->session_key[3], - tsec->session_key[4], tsec->session_key[5], - tsec->session_key[6], tsec->session_key[7]); - if (tsec->ticket_len >= 8) + v1->session_key[0], v1->session_key[1], + v1->session_key[2], v1->session_key[3], + v1->session_key[4], v1->session_key[5], + v1->session_key[6], v1->session_key[7]); + if (v1->ticket_length >= 8) _debug("TCKT: %02x%02x%02x%02x%02x%02x%02x%02x", - tsec->ticket[0], tsec->ticket[1], - tsec->ticket[2], tsec->ticket[3], - tsec->ticket[4], tsec->ticket[5], - tsec->ticket[6], tsec->ticket[7]); + v1->ticket[0], v1->ticket[1], + v1->ticket[2], v1->ticket[3], + v1->ticket[4], v1->ticket[5], + v1->ticket[6], v1->ticket[7]); ret = -EPROTONOSUPPORT; - if (tsec->security_index != 2) + if (v1->security_index != RXRPC_SECURITY_RXKAD) goto error; - key->type_data.x[0] = tsec->security_index; - - plen = sizeof(*upayload) + tsec->ticket_len; - ret = key_payload_reserve(key, plen); + plen = sizeof(*token->kad) + v1->ticket_length; + ret = key_payload_reserve(key, plen + sizeof(*token)); if (ret < 0) goto error; ret = -ENOMEM; - upayload = kmalloc(plen, GFP_KERNEL); - if (!upayload) + token = kmalloc(sizeof(*token), GFP_KERNEL); + if (!token) goto error; + token->kad = kmalloc(plen, GFP_KERNEL); + if (!token->kad) + goto error_free; + + token->security_index = RXRPC_SECURITY_RXKAD; + token->kad->ticket_len = v1->ticket_length; + token->kad->expiry = v1->expiry; + token->kad->kvno = v1->kvno; + memcpy(&token->kad->session_key, &v1->session_key, 8); + memcpy(&token->kad->ticket, v1->ticket, v1->ticket_length); /* attach the data */ - memcpy(&upayload->k, tsec, sizeof(*tsec)); - memcpy(&upayload->k.ticket, (void *)tsec + sizeof(*tsec), - tsec->ticket_len); - key->payload.data = upayload; - key->expiry = tsec->expiry; + key->type_data.x[0]++; + + pp = (struct rxrpc_key_token **)&key->payload.data; + while (*pp) + pp = &(*pp)->next; + *pp = token; + if (token->kad->expiry < key->expiry) + key->expiry = token->kad->expiry; + token = NULL; ret = 0; +error_free: + kfree(token); error: return ret; } @@ -184,7 +797,26 @@ static int rxrpc_instantiate_s(struct key *key, const void *data, */ static void rxrpc_destroy(struct key *key) { - kfree(key->payload.data); + struct rxrpc_key_token *token; + + while ((token = key->payload.data)) { + key->payload.data = token->next; + switch (token->security_index) { + case RXRPC_SECURITY_RXKAD: + kfree(token->kad); + break; + case RXRPC_SECURITY_RXK5: + if (token->k5) + rxrpc_rxk5_free(token->k5); + break; + default: + printk(KERN_ERR "Unknown token type %x on rxrpc key\n", + token->security_index); + BUG(); + } + + kfree(token); + } } /* @@ -293,7 +925,7 @@ int rxrpc_get_server_data_key(struct rxrpc_connection *conn, struct { u32 kver; - struct rxkad_key tsec; + struct rxrpc_key_data_v1 v1; } data; _enter(""); @@ -308,13 +940,12 @@ int rxrpc_get_server_data_key(struct rxrpc_connection *conn, _debug("key %d", key_serial(key)); data.kver = 1; - data.tsec.security_index = 2; - data.tsec.ticket_len = 0; - data.tsec.expiry = expiry; - data.tsec.kvno = 0; + data.v1.security_index = RXRPC_SECURITY_RXKAD; + data.v1.ticket_length = 0; + data.v1.expiry = expiry; + data.v1.kvno = 0; - memcpy(&data.tsec.session_key, session_key, - sizeof(data.tsec.session_key)); + memcpy(&data.v1.session_key, session_key, sizeof(data.v1.session_key)); ret = key_instantiate_and_link(key, &data, sizeof(data), NULL, NULL); if (ret < 0) @@ -360,3 +991,210 @@ struct key *rxrpc_get_null_key(const char *keyname) return key; } EXPORT_SYMBOL(rxrpc_get_null_key); + +/* + * read the contents of an rxrpc key + * - this returns the result in XDR form + */ +static long rxrpc_read(const struct key *key, + char __user *buffer, size_t buflen) +{ + const struct rxrpc_key_token *token; + const struct krb5_principal *princ; + size_t size; + __be32 __user *xdr, *oldxdr; + u32 cnlen, toksize, ntoks, tok, zero; + u16 toksizes[AFSTOKEN_MAX]; + int loop; + + _enter(""); + + /* we don't know what form we should return non-AFS keys in */ + if (memcmp(key->description, "afs@", 4) != 0) + return -EOPNOTSUPP; + cnlen = strlen(key->description + 4); + +#define RND(X) (((X) + 3) & ~3) + + /* AFS keys we return in XDR form, so we need to work out the size of + * the XDR */ + size = 2 * 4; /* flags, cellname len */ + size += RND(cnlen); /* cellname */ + size += 1 * 4; /* token count */ + + ntoks = 0; + for (token = key->payload.data; token; token = token->next) { + toksize = 4; /* sec index */ + + switch (token->security_index) { + case RXRPC_SECURITY_RXKAD: + toksize += 8 * 4; /* viceid, kvno, key*2, begin, + * end, primary, tktlen */ + toksize += RND(token->kad->ticket_len); + break; + + case RXRPC_SECURITY_RXK5: + princ = &token->k5->client; + toksize += 4 + princ->n_name_parts * 4; + for (loop = 0; loop < princ->n_name_parts; loop++) + toksize += RND(strlen(princ->name_parts[loop])); + toksize += 4 + RND(strlen(princ->realm)); + + princ = &token->k5->server; + toksize += 4 + princ->n_name_parts * 4; + for (loop = 0; loop < princ->n_name_parts; loop++) + toksize += RND(strlen(princ->name_parts[loop])); + toksize += 4 + RND(strlen(princ->realm)); + + toksize += 8 + RND(token->k5->session.data_len); + + toksize += 4 * 8 + 2 * 4; + + toksize += 4 + token->k5->n_addresses * 8; + for (loop = 0; loop < token->k5->n_addresses; loop++) + toksize += RND(token->k5->addresses[loop].data_len); + + toksize += 4 + RND(token->k5->ticket_len); + toksize += 4 + RND(token->k5->ticket2_len); + + toksize += 4 + token->k5->n_authdata * 8; + for (loop = 0; loop < token->k5->n_authdata; loop++) + toksize += RND(token->k5->authdata[loop].data_len); + break; + + default: /* we have a ticket we can't encode */ + BUG(); + continue; + } + + _debug("token[%u]: toksize=%u", ntoks, toksize); + ASSERTCMP(toksize, <=, AFSTOKEN_LENGTH_MAX); + + toksizes[ntoks++] = toksize; + size += toksize + 4; /* each token has a length word */ + } + +#undef RND + + if (!buffer || buflen < size) + return size; + + xdr = (__be32 __user *) buffer; + zero = 0; +#define ENCODE(x) \ + do { \ + __be32 y = htonl(x); \ + if (put_user(y, xdr++) < 0) \ + goto fault; \ + } while(0) +#define ENCODE_DATA(l, s) \ + do { \ + u32 _l = (l); \ + ENCODE(l); \ + if (copy_to_user(xdr, (s), _l) != 0) \ + goto fault; \ + if (_l & 3 && \ + copy_to_user((u8 *)xdr + _l, &zero, 4 - (_l & 3)) != 0) \ + goto fault; \ + xdr += (_l + 3) >> 2; \ + } while(0) +#define ENCODE64(x) \ + do { \ + __be64 y = cpu_to_be64(x); \ + if (copy_to_user(xdr, &y, 8) != 0) \ + goto fault; \ + xdr += 8 >> 2; \ + } while(0) +#define ENCODE_STR(s) \ + do { \ + const char *_s = (s); \ + ENCODE_DATA(strlen(_s), _s); \ + } while(0) + + ENCODE(0); /* flags */ + ENCODE_DATA(cnlen, key->description + 4); /* cellname */ + ENCODE(ntoks); + + tok = 0; + for (token = key->payload.data; token; token = token->next) { + toksize = toksizes[tok++]; + ENCODE(toksize); + oldxdr = xdr; + ENCODE(token->security_index); + + switch (token->security_index) { + case RXRPC_SECURITY_RXKAD: + ENCODE(token->kad->vice_id); + ENCODE(token->kad->kvno); + ENCODE_DATA(8, token->kad->session_key); + ENCODE(token->kad->start); + ENCODE(token->kad->expiry); + ENCODE(token->kad->primary_flag); + ENCODE_DATA(token->kad->ticket_len, token->kad->ticket); + break; + + case RXRPC_SECURITY_RXK5: + princ = &token->k5->client; + ENCODE(princ->n_name_parts); + for (loop = 0; loop < princ->n_name_parts; loop++) + ENCODE_STR(princ->name_parts[loop]); + ENCODE_STR(princ->realm); + + princ = &token->k5->server; + ENCODE(princ->n_name_parts); + for (loop = 0; loop < princ->n_name_parts; loop++) + ENCODE_STR(princ->name_parts[loop]); + ENCODE_STR(princ->realm); + + ENCODE(token->k5->session.tag); + ENCODE_DATA(token->k5->session.data_len, + token->k5->session.data); + + ENCODE64(token->k5->authtime); + ENCODE64(token->k5->starttime); + ENCODE64(token->k5->endtime); + ENCODE64(token->k5->renew_till); + ENCODE(token->k5->is_skey); + ENCODE(token->k5->flags); + + ENCODE(token->k5->n_addresses); + for (loop = 0; loop < token->k5->n_addresses; loop++) { + ENCODE(token->k5->addresses[loop].tag); + ENCODE_DATA(token->k5->addresses[loop].data_len, + token->k5->addresses[loop].data); + } + + ENCODE_DATA(token->k5->ticket_len, token->k5->ticket); + ENCODE_DATA(token->k5->ticket2_len, token->k5->ticket2); + + ENCODE(token->k5->n_authdata); + for (loop = 0; loop < token->k5->n_authdata; loop++) { + ENCODE(token->k5->authdata[loop].tag); + ENCODE_DATA(token->k5->authdata[loop].data_len, + token->k5->authdata[loop].data); + } + break; + + default: + BUG(); + break; + } + + ASSERTCMP((unsigned long)xdr - (unsigned long)oldxdr, ==, + toksize); + } + +#undef ENCODE_STR +#undef ENCODE_DATA +#undef ENCODE64 +#undef ENCODE + + ASSERTCMP(tok, ==, ntoks); + ASSERTCMP((char __user *) xdr - buffer, ==, size); + _leave(" = %zu", size); + return size; + +fault: + _leave(" = -EFAULT"); + return -EFAULT; +} diff --git a/net/rxrpc/ar-security.c b/net/rxrpc/ar-security.c index dc62920ee19a..49b3cc31ee1f 100644 --- a/net/rxrpc/ar-security.c +++ b/net/rxrpc/ar-security.c @@ -16,6 +16,7 @@ #include <linux/crypto.h> #include <net/sock.h> #include <net/af_rxrpc.h> +#include <keys/rxrpc-type.h> #include "ar-internal.h" static LIST_HEAD(rxrpc_security_methods); @@ -122,6 +123,7 @@ EXPORT_SYMBOL_GPL(rxrpc_unregister_security); */ int rxrpc_init_client_conn_security(struct rxrpc_connection *conn) { + struct rxrpc_key_token *token; struct rxrpc_security *sec; struct key *key = conn->key; int ret; @@ -135,7 +137,11 @@ int rxrpc_init_client_conn_security(struct rxrpc_connection *conn) if (ret < 0) return ret; - sec = rxrpc_security_lookup(key->type_data.x[0]); + if (!key->payload.data) + return -EKEYREJECTED; + token = key->payload.data; + + sec = rxrpc_security_lookup(token->security_index); if (!sec) return -EKEYREJECTED; conn->security = sec; diff --git a/net/rxrpc/rxkad.c b/net/rxrpc/rxkad.c index ef8f91030a15..713ac593e2e9 100644 --- a/net/rxrpc/rxkad.c +++ b/net/rxrpc/rxkad.c @@ -18,6 +18,7 @@ #include <linux/ctype.h> #include <net/sock.h> #include <net/af_rxrpc.h> +#include <keys/rxrpc-type.h> #define rxrpc_debug rxkad_debug #include "ar-internal.h" @@ -42,7 +43,7 @@ struct rxkad_level2_hdr { __be32 checksum; /* decrypted data checksum */ }; -MODULE_DESCRIPTION("RxRPC network protocol type-2 security (Kerberos)"); +MODULE_DESCRIPTION("RxRPC network protocol type-2 security (Kerberos 4)"); MODULE_AUTHOR("Red Hat, Inc."); MODULE_LICENSE("GPL"); @@ -59,14 +60,14 @@ static DEFINE_MUTEX(rxkad_ci_mutex); */ static int rxkad_init_connection_security(struct rxrpc_connection *conn) { - struct rxrpc_key_payload *payload; struct crypto_blkcipher *ci; + struct rxrpc_key_token *token; int ret; _enter("{%d},{%x}", conn->debug_id, key_serial(conn->key)); - payload = conn->key->payload.data; - conn->security_ix = payload->k.security_index; + token = conn->key->payload.data; + conn->security_ix = token->security_index; ci = crypto_alloc_blkcipher("pcbc(fcrypt)", 0, CRYPTO_ALG_ASYNC); if (IS_ERR(ci)) { @@ -75,8 +76,8 @@ static int rxkad_init_connection_security(struct rxrpc_connection *conn) goto error; } - if (crypto_blkcipher_setkey(ci, payload->k.session_key, - sizeof(payload->k.session_key)) < 0) + if (crypto_blkcipher_setkey(ci, token->kad->session_key, + sizeof(token->kad->session_key)) < 0) BUG(); switch (conn->security_level) { @@ -110,7 +111,7 @@ error: */ static void rxkad_prime_packet_security(struct rxrpc_connection *conn) { - struct rxrpc_key_payload *payload; + struct rxrpc_key_token *token; struct blkcipher_desc desc; struct scatterlist sg[2]; struct rxrpc_crypt iv; @@ -123,8 +124,8 @@ static void rxkad_prime_packet_security(struct rxrpc_connection *conn) if (!conn->key) return; - payload = conn->key->payload.data; - memcpy(&iv, payload->k.session_key, sizeof(iv)); + token = conn->key->payload.data; + memcpy(&iv, token->kad->session_key, sizeof(iv)); desc.tfm = conn->cipher; desc.info = iv.x; @@ -197,7 +198,7 @@ static int rxkad_secure_packet_encrypt(const struct rxrpc_call *call, u32 data_size, void *sechdr) { - const struct rxrpc_key_payload *payload; + const struct rxrpc_key_token *token; struct rxkad_level2_hdr rxkhdr __attribute__((aligned(8))); /* must be all on one page */ struct rxrpc_skb_priv *sp; @@ -219,8 +220,8 @@ static int rxkad_secure_packet_encrypt(const struct rxrpc_call *call, rxkhdr.checksum = 0; /* encrypt from the session key */ - payload = call->conn->key->payload.data; - memcpy(&iv, payload->k.session_key, sizeof(iv)); + token = call->conn->key->payload.data; + memcpy(&iv, token->kad->session_key, sizeof(iv)); desc.tfm = call->conn->cipher; desc.info = iv.x; desc.flags = 0; @@ -400,7 +401,7 @@ static int rxkad_verify_packet_encrypt(const struct rxrpc_call *call, struct sk_buff *skb, u32 *_abort_code) { - const struct rxrpc_key_payload *payload; + const struct rxrpc_key_token *token; struct rxkad_level2_hdr sechdr; struct rxrpc_skb_priv *sp; struct blkcipher_desc desc; @@ -431,8 +432,8 @@ static int rxkad_verify_packet_encrypt(const struct rxrpc_call *call, skb_to_sgvec(skb, sg, 0, skb->len); /* decrypt from the session key */ - payload = call->conn->key->payload.data; - memcpy(&iv, payload->k.session_key, sizeof(iv)); + token = call->conn->key->payload.data; + memcpy(&iv, token->kad->session_key, sizeof(iv)); desc.tfm = call->conn->cipher; desc.info = iv.x; desc.flags = 0; @@ -506,7 +507,7 @@ static int rxkad_verify_packet(const struct rxrpc_call *call, if (!call->conn->cipher) return 0; - if (sp->hdr.securityIndex != 2) { + if (sp->hdr.securityIndex != RXRPC_SECURITY_RXKAD) { *_abort_code = RXKADINCONSISTENCY; _leave(" = -EPROTO [not rxkad]"); return -EPROTO; @@ -737,7 +738,7 @@ static int rxkad_respond_to_challenge(struct rxrpc_connection *conn, struct sk_buff *skb, u32 *_abort_code) { - const struct rxrpc_key_payload *payload; + const struct rxrpc_key_token *token; struct rxkad_challenge challenge; struct rxkad_response resp __attribute__((aligned(8))); /* must be aligned for crypto */ @@ -778,7 +779,7 @@ static int rxkad_respond_to_challenge(struct rxrpc_connection *conn, if (conn->security_level < min_level) goto protocol_error; - payload = conn->key->payload.data; + token = conn->key->payload.data; /* build the response packet */ memset(&resp, 0, sizeof(resp)); @@ -797,13 +798,13 @@ static int rxkad_respond_to_challenge(struct rxrpc_connection *conn, (conn->channels[3] ? conn->channels[3]->call_id : 0); resp.encrypted.inc_nonce = htonl(nonce + 1); resp.encrypted.level = htonl(conn->security_level); - resp.kvno = htonl(payload->k.kvno); - resp.ticket_len = htonl(payload->k.ticket_len); + resp.kvno = htonl(token->kad->kvno); + resp.ticket_len = htonl(token->kad->ticket_len); /* calculate the response checksum and then do the encryption */ rxkad_calc_response_checksum(&resp); - rxkad_encrypt_response(conn, &resp, &payload->k); - return rxkad_send_response(conn, &sp->hdr, &resp, &payload->k); + rxkad_encrypt_response(conn, &resp, token->kad); + return rxkad_send_response(conn, &sp->hdr, &resp, token->kad); protocol_error: *_abort_code = abort_code; @@ -1122,7 +1123,7 @@ static void rxkad_clear(struct rxrpc_connection *conn) static struct rxrpc_security rxkad = { .owner = THIS_MODULE, .name = "rxkad", - .security_index = RXKAD_VERSION, + .security_index = RXRPC_SECURITY_RXKAD, .init_connection_security = rxkad_init_connection_security, .prime_packet_security = rxkad_prime_packet_security, .secure_packet = rxkad_secure_packet, diff --git a/net/sched/sch_api.c b/net/sched/sch_api.c index 692d9a41cd23..903e4188b6ca 100644 --- a/net/sched/sch_api.c +++ b/net/sched/sch_api.c @@ -693,13 +693,18 @@ static int qdisc_graft(struct net_device *dev, struct Qdisc *parent, if (new && i > 0) atomic_inc(&new->refcnt); - qdisc_destroy(old); + if (!ingress) + qdisc_destroy(old); } - notify_and_destroy(skb, n, classid, dev->qdisc, new); - if (new && !new->ops->attach) - atomic_inc(&new->refcnt); - dev->qdisc = new ? : &noop_qdisc; + if (!ingress) { + notify_and_destroy(skb, n, classid, dev->qdisc, new); + if (new && !new->ops->attach) + atomic_inc(&new->refcnt); + dev->qdisc = new ? : &noop_qdisc; + } else { + notify_and_destroy(skb, n, classid, old, new); + } if (dev->flags & IFF_UP) dev_activate(dev); @@ -804,7 +809,7 @@ qdisc_create(struct net_device *dev, struct netdev_queue *dev_queue, stab = qdisc_get_stab(tca[TCA_STAB]); if (IS_ERR(stab)) { err = PTR_ERR(stab); - goto err_out3; + goto err_out4; } sch->stab = stab; } @@ -833,7 +838,6 @@ qdisc_create(struct net_device *dev, struct netdev_queue *dev_queue, return sch; } err_out3: - qdisc_put_stab(sch->stab); dev_put(dev); kfree((char *) sch - sch->padded); err_out2: @@ -847,6 +851,7 @@ err_out4: * Any broken qdiscs that would require a ops->reset() here? * The qdisc was never in action so it shouldn't be necessary. */ + qdisc_put_stab(sch->stab); if (ops->destroy) ops->destroy(sch); goto err_out3; @@ -1111,12 +1116,16 @@ create_n_graft: tcm->tcm_parent, tcm->tcm_parent, tca, &err); else { - unsigned int ntx = 0; + struct netdev_queue *dev_queue; if (p && p->ops->cl_ops && p->ops->cl_ops->select_queue) - ntx = p->ops->cl_ops->select_queue(p, tcm); + dev_queue = p->ops->cl_ops->select_queue(p, tcm); + else if (p) + dev_queue = p->dev_queue; + else + dev_queue = netdev_get_tx_queue(dev, 0); - q = qdisc_create(dev, netdev_get_tx_queue(dev, ntx), p, + q = qdisc_create(dev, dev_queue, p, tcm->tcm_parent, tcm->tcm_handle, tca, &err); } diff --git a/net/sched/sch_drr.c b/net/sched/sch_drr.c index 12b2fb04b29b..5a888af7e5da 100644 --- a/net/sched/sch_drr.c +++ b/net/sched/sch_drr.c @@ -274,8 +274,10 @@ static int drr_dump_class_stats(struct Qdisc *sch, unsigned long arg, struct tc_drr_stats xstats; memset(&xstats, 0, sizeof(xstats)); - if (cl->qdisc->q.qlen) + if (cl->qdisc->q.qlen) { xstats.deficit = cl->deficit; + cl->qdisc->qstats.qlen = cl->qdisc->q.qlen; + } if (gnet_stats_copy_basic(d, &cl->bstats) < 0 || gnet_stats_copy_rate_est(d, &cl->rate_est) < 0 || diff --git a/net/sched/sch_hfsc.c b/net/sched/sch_hfsc.c index 375d64cb1a3d..2c5c76be18f8 100644 --- a/net/sched/sch_hfsc.c +++ b/net/sched/sch_hfsc.c @@ -77,7 +77,7 @@ * The service curve parameters are converted to the internal * representation. The slope values are scaled to avoid overflow. * the inverse slope values as well as the y-projection of the 1st - * segment are kept in order to to avoid 64-bit divide operations + * segment are kept in order to avoid 64-bit divide operations * that are expensive on 32-bit architectures. */ diff --git a/net/sched/sch_mq.c b/net/sched/sch_mq.c index dd5ee022f1f7..d1dea3d5dc92 100644 --- a/net/sched/sch_mq.c +++ b/net/sched/sch_mq.c @@ -125,13 +125,18 @@ static struct netdev_queue *mq_queue_get(struct Qdisc *sch, unsigned long cl) return netdev_get_tx_queue(dev, ntx); } -static unsigned int mq_select_queue(struct Qdisc *sch, struct tcmsg *tcm) +static struct netdev_queue *mq_select_queue(struct Qdisc *sch, + struct tcmsg *tcm) { unsigned int ntx = TC_H_MIN(tcm->tcm_parent); + struct netdev_queue *dev_queue = mq_queue_get(sch, ntx); - if (!mq_queue_get(sch, ntx)) - return 0; - return ntx - 1; + if (!dev_queue) { + struct net_device *dev = qdisc_dev(sch); + + return netdev_get_tx_queue(dev, 0); + } + return dev_queue; } static int mq_graft(struct Qdisc *sch, unsigned long cl, struct Qdisc *new, @@ -188,6 +193,7 @@ static int mq_dump_class_stats(struct Qdisc *sch, unsigned long cl, struct netdev_queue *dev_queue = mq_queue_get(sch, cl); sch = dev_queue->qdisc_sleeping; + sch->qstats.qlen = sch->q.qlen; if (gnet_stats_copy_basic(d, &sch->bstats) < 0 || gnet_stats_copy_queue(d, &sch->qstats) < 0) return -1; diff --git a/net/sched/sch_multiq.c b/net/sched/sch_multiq.c index 069f81c97277..7db2c88ce585 100644 --- a/net/sched/sch_multiq.c +++ b/net/sched/sch_multiq.c @@ -359,6 +359,7 @@ static int multiq_dump_class_stats(struct Qdisc *sch, unsigned long cl, struct Qdisc *cl_q; cl_q = q->queues[cl - 1]; + cl_q->qstats.qlen = cl_q->q.qlen; if (gnet_stats_copy_basic(d, &cl_q->bstats) < 0 || gnet_stats_copy_queue(d, &cl_q->qstats) < 0) return -1; diff --git a/net/sched/sch_prio.c b/net/sched/sch_prio.c index 0f73c412d04b..93285cecb246 100644 --- a/net/sched/sch_prio.c +++ b/net/sched/sch_prio.c @@ -322,6 +322,7 @@ static int prio_dump_class_stats(struct Qdisc *sch, unsigned long cl, struct Qdisc *cl_q; cl_q = q->queues[cl - 1]; + cl_q->qstats.qlen = cl_q->q.qlen; if (gnet_stats_copy_basic(d, &cl_q->bstats) < 0 || gnet_stats_copy_queue(d, &cl_q->qstats) < 0) return -1; diff --git a/net/sctp/ipv6.c b/net/sctp/ipv6.c index 6a4b19094143..bb280e60e00a 100644 --- a/net/sctp/ipv6.c +++ b/net/sctp/ipv6.c @@ -949,7 +949,7 @@ static int sctp6_rcv(struct sk_buff *skb) return sctp_rcv(skb) ? -1 : 0; } -static struct inet6_protocol sctpv6_protocol = { +static const struct inet6_protocol sctpv6_protocol = { .handler = sctp6_rcv, .err_handler = sctp_v6_err, .flags = INET6_PROTO_NOPOLICY | INET6_PROTO_FINAL, diff --git a/net/sctp/protocol.c b/net/sctp/protocol.c index 60093be8385d..612dc878e05c 100644 --- a/net/sctp/protocol.c +++ b/net/sctp/protocol.c @@ -924,7 +924,7 @@ static struct inet_protosw sctp_stream_protosw = { }; /* Register with IP layer. */ -static struct net_protocol sctp_protocol = { +static const struct net_protocol sctp_protocol = { .handler = sctp_rcv, .err_handler = sctp_v4_err, .no_policy = 1, @@ -1184,10 +1184,10 @@ SCTP_STATIC __init int sctp_init(void) /* Size and allocate the association hash table. * The methodology is similar to that of the tcp hash tables. */ - if (num_physpages >= (128 * 1024)) - goal = num_physpages >> (22 - PAGE_SHIFT); + if (totalram_pages >= (128 * 1024)) + goal = totalram_pages >> (22 - PAGE_SHIFT); else - goal = num_physpages >> (24 - PAGE_SHIFT); + goal = totalram_pages >> (24 - PAGE_SHIFT); for (order = 0; (1UL << order) < goal; order++) ; diff --git a/net/sctp/socket.c b/net/sctp/socket.c index 89af37a6c871..c8d05758661d 100644 --- a/net/sctp/socket.c +++ b/net/sctp/socket.c @@ -2027,7 +2027,8 @@ out: * instead a error will be indicated to the user. */ static int sctp_setsockopt_disable_fragments(struct sock *sk, - char __user *optval, int optlen) + char __user *optval, + unsigned int optlen) { int val; @@ -2043,7 +2044,7 @@ static int sctp_setsockopt_disable_fragments(struct sock *sk, } static int sctp_setsockopt_events(struct sock *sk, char __user *optval, - int optlen) + unsigned int optlen) { if (optlen > sizeof(struct sctp_event_subscribe)) return -EINVAL; @@ -2064,7 +2065,7 @@ static int sctp_setsockopt_events(struct sock *sk, char __user *optval, * association is closed. */ static int sctp_setsockopt_autoclose(struct sock *sk, char __user *optval, - int optlen) + unsigned int optlen) { struct sctp_sock *sp = sctp_sk(sk); @@ -2318,7 +2319,8 @@ static int sctp_apply_peer_addr_params(struct sctp_paddrparams *params, } static int sctp_setsockopt_peer_addr_params(struct sock *sk, - char __user *optval, int optlen) + char __user *optval, + unsigned int optlen) { struct sctp_paddrparams params; struct sctp_transport *trans = NULL; @@ -2430,7 +2432,7 @@ static int sctp_setsockopt_peer_addr_params(struct sock *sk, */ static int sctp_setsockopt_delayed_ack(struct sock *sk, - char __user *optval, int optlen) + char __user *optval, unsigned int optlen) { struct sctp_sack_info params; struct sctp_transport *trans = NULL; @@ -2546,7 +2548,7 @@ static int sctp_setsockopt_delayed_ack(struct sock *sk, * by the change). With TCP-style sockets, this option is inherited by * sockets derived from a listener socket. */ -static int sctp_setsockopt_initmsg(struct sock *sk, char __user *optval, int optlen) +static int sctp_setsockopt_initmsg(struct sock *sk, char __user *optval, unsigned int optlen) { struct sctp_initmsg sinit; struct sctp_sock *sp = sctp_sk(sk); @@ -2583,7 +2585,8 @@ static int sctp_setsockopt_initmsg(struct sock *sk, char __user *optval, int opt * to this call if the caller is using the UDP model. */ static int sctp_setsockopt_default_send_param(struct sock *sk, - char __user *optval, int optlen) + char __user *optval, + unsigned int optlen) { struct sctp_sndrcvinfo info; struct sctp_association *asoc; @@ -2622,7 +2625,7 @@ static int sctp_setsockopt_default_send_param(struct sock *sk, * association peer's addresses. */ static int sctp_setsockopt_primary_addr(struct sock *sk, char __user *optval, - int optlen) + unsigned int optlen) { struct sctp_prim prim; struct sctp_transport *trans; @@ -2651,7 +2654,7 @@ static int sctp_setsockopt_primary_addr(struct sock *sk, char __user *optval, * integer boolean flag. */ static int sctp_setsockopt_nodelay(struct sock *sk, char __user *optval, - int optlen) + unsigned int optlen) { int val; @@ -2676,7 +2679,8 @@ static int sctp_setsockopt_nodelay(struct sock *sk, char __user *optval, * be changed. * */ -static int sctp_setsockopt_rtoinfo(struct sock *sk, char __user *optval, int optlen) { +static int sctp_setsockopt_rtoinfo(struct sock *sk, char __user *optval, unsigned int optlen) +{ struct sctp_rtoinfo rtoinfo; struct sctp_association *asoc; @@ -2728,7 +2732,7 @@ static int sctp_setsockopt_rtoinfo(struct sock *sk, char __user *optval, int opt * See [SCTP] for more information. * */ -static int sctp_setsockopt_associnfo(struct sock *sk, char __user *optval, int optlen) +static int sctp_setsockopt_associnfo(struct sock *sk, char __user *optval, unsigned int optlen) { struct sctp_assocparams assocparams; @@ -2800,7 +2804,7 @@ static int sctp_setsockopt_associnfo(struct sock *sk, char __user *optval, int o * addresses and a user will receive both PF_INET6 and PF_INET type * addresses on the socket. */ -static int sctp_setsockopt_mappedv4(struct sock *sk, char __user *optval, int optlen) +static int sctp_setsockopt_mappedv4(struct sock *sk, char __user *optval, unsigned int optlen) { int val; struct sctp_sock *sp = sctp_sk(sk); @@ -2844,7 +2848,7 @@ static int sctp_setsockopt_mappedv4(struct sock *sk, char __user *optval, int op * changed (effecting future associations only). * assoc_value: This parameter specifies the maximum size in bytes. */ -static int sctp_setsockopt_maxseg(struct sock *sk, char __user *optval, int optlen) +static int sctp_setsockopt_maxseg(struct sock *sk, char __user *optval, unsigned int optlen) { struct sctp_assoc_value params; struct sctp_association *asoc; @@ -2899,7 +2903,7 @@ static int sctp_setsockopt_maxseg(struct sock *sk, char __user *optval, int optl * set primary request: */ static int sctp_setsockopt_peer_primary_addr(struct sock *sk, char __user *optval, - int optlen) + unsigned int optlen) { struct sctp_sock *sp; struct sctp_endpoint *ep; @@ -2950,7 +2954,7 @@ static int sctp_setsockopt_peer_primary_addr(struct sock *sk, char __user *optva } static int sctp_setsockopt_adaptation_layer(struct sock *sk, char __user *optval, - int optlen) + unsigned int optlen) { struct sctp_setadaptation adaptation; @@ -2979,7 +2983,7 @@ static int sctp_setsockopt_adaptation_layer(struct sock *sk, char __user *optval * saved with outbound messages. */ static int sctp_setsockopt_context(struct sock *sk, char __user *optval, - int optlen) + unsigned int optlen) { struct sctp_assoc_value params; struct sctp_sock *sp; @@ -3030,7 +3034,7 @@ static int sctp_setsockopt_context(struct sock *sk, char __user *optval, */ static int sctp_setsockopt_fragment_interleave(struct sock *sk, char __user *optval, - int optlen) + unsigned int optlen) { int val; @@ -3063,7 +3067,7 @@ static int sctp_setsockopt_fragment_interleave(struct sock *sk, */ static int sctp_setsockopt_partial_delivery_point(struct sock *sk, char __user *optval, - int optlen) + unsigned int optlen) { u32 val; @@ -3096,7 +3100,7 @@ static int sctp_setsockopt_partial_delivery_point(struct sock *sk, */ static int sctp_setsockopt_maxburst(struct sock *sk, char __user *optval, - int optlen) + unsigned int optlen) { struct sctp_assoc_value params; struct sctp_sock *sp; @@ -3140,8 +3144,8 @@ static int sctp_setsockopt_maxburst(struct sock *sk, * will only effect future associations on the socket. */ static int sctp_setsockopt_auth_chunk(struct sock *sk, - char __user *optval, - int optlen) + char __user *optval, + unsigned int optlen) { struct sctp_authchunk val; @@ -3172,8 +3176,8 @@ static int sctp_setsockopt_auth_chunk(struct sock *sk, * endpoint requires the peer to use. */ static int sctp_setsockopt_hmac_ident(struct sock *sk, - char __user *optval, - int optlen) + char __user *optval, + unsigned int optlen) { struct sctp_hmacalgo *hmacs; u32 idents; @@ -3215,7 +3219,7 @@ out: */ static int sctp_setsockopt_auth_key(struct sock *sk, char __user *optval, - int optlen) + unsigned int optlen) { struct sctp_authkey *authkey; struct sctp_association *asoc; @@ -3260,8 +3264,8 @@ out: * the association shared key. */ static int sctp_setsockopt_active_key(struct sock *sk, - char __user *optval, - int optlen) + char __user *optval, + unsigned int optlen) { struct sctp_authkeyid val; struct sctp_association *asoc; @@ -3288,8 +3292,8 @@ static int sctp_setsockopt_active_key(struct sock *sk, * This set option will delete a shared secret key from use. */ static int sctp_setsockopt_del_key(struct sock *sk, - char __user *optval, - int optlen) + char __user *optval, + unsigned int optlen) { struct sctp_authkeyid val; struct sctp_association *asoc; @@ -3332,7 +3336,7 @@ static int sctp_setsockopt_del_key(struct sock *sk, * optlen - the size of the buffer. */ SCTP_STATIC int sctp_setsockopt(struct sock *sk, int level, int optname, - char __user *optval, int optlen) + char __user *optval, unsigned int optlen) { int retval = 0; diff --git a/net/socket.c b/net/socket.c index 6d4716559047..75655365b5fd 100644 --- a/net/socket.c +++ b/net/socket.c @@ -86,6 +86,7 @@ #include <linux/audit.h> #include <linux/wireless.h> #include <linux/nsproxy.h> +#include <linux/magic.h> #include <asm/uaccess.h> #include <asm/unistd.h> @@ -235,8 +236,6 @@ int move_addr_to_user(struct sockaddr *kaddr, int klen, void __user *uaddr, return __put_user(klen, ulen); } -#define SOCKFS_MAGIC 0x534F434B - static struct kmem_cache *sock_inode_cachep __read_mostly; static struct inode *sock_alloc_inode(struct super_block *sb) @@ -285,7 +284,7 @@ static int init_inodecache(void) return 0; } -static struct super_operations sockfs_ops = { +static const struct super_operations sockfs_ops = { .alloc_inode = sock_alloc_inode, .destroy_inode =sock_destroy_inode, .statfs = simple_statfs, @@ -489,6 +488,7 @@ static struct socket *sock_alloc(void) sock = SOCKET_I(inode); + kmemcheck_annotate_bitfield(sock, type); inode->i_mode = S_IFSOCK | S_IRWXUGO; inode->i_uid = current_fsuid(); inode->i_gid = current_fsgid(); @@ -2098,12 +2098,17 @@ SYSCALL_DEFINE2(socketcall, int, call, unsigned long __user *, args) unsigned long a[6]; unsigned long a0, a1; int err; + unsigned int len; if (call < 1 || call > SYS_ACCEPT4) return -EINVAL; + len = nargs[call]; + if (len > sizeof(a)) + return -EINVAL; + /* copy_from_user should be SMP safe. */ - if (copy_from_user(a, args, nargs[call])) + if (copy_from_user(a, args, len)) return -EFAULT; audit_socketcall(nargs[call] / sizeof(unsigned long), a); @@ -2386,7 +2391,7 @@ int kernel_getsockopt(struct socket *sock, int level, int optname, } int kernel_setsockopt(struct socket *sock, int level, int optname, - char *optval, int optlen) + char *optval, unsigned int optlen) { mm_segment_t oldfs = get_fs(); int err; diff --git a/net/sunrpc/auth.c b/net/sunrpc/auth.c index 0c431c277af5..54a4e042f104 100644 --- a/net/sunrpc/auth.c +++ b/net/sunrpc/auth.c @@ -385,7 +385,7 @@ rpcauth_init_cred(struct rpc_cred *cred, const struct auth_cred *acred, EXPORT_SYMBOL_GPL(rpcauth_init_cred); void -rpcauth_generic_bind_cred(struct rpc_task *task, struct rpc_cred *cred) +rpcauth_generic_bind_cred(struct rpc_task *task, struct rpc_cred *cred, int lookupflags) { task->tk_msg.rpc_cred = get_rpccred(cred); dprintk("RPC: %5u holding %s cred %p\n", task->tk_pid, @@ -394,7 +394,7 @@ rpcauth_generic_bind_cred(struct rpc_task *task, struct rpc_cred *cred) EXPORT_SYMBOL_GPL(rpcauth_generic_bind_cred); static void -rpcauth_bind_root_cred(struct rpc_task *task) +rpcauth_bind_root_cred(struct rpc_task *task, int lookupflags) { struct rpc_auth *auth = task->tk_client->cl_auth; struct auth_cred acred = { @@ -405,7 +405,7 @@ rpcauth_bind_root_cred(struct rpc_task *task) dprintk("RPC: %5u looking up %s cred\n", task->tk_pid, task->tk_client->cl_auth->au_ops->au_name); - ret = auth->au_ops->lookup_cred(auth, &acred, 0); + ret = auth->au_ops->lookup_cred(auth, &acred, lookupflags); if (!IS_ERR(ret)) task->tk_msg.rpc_cred = ret; else @@ -413,14 +413,14 @@ rpcauth_bind_root_cred(struct rpc_task *task) } static void -rpcauth_bind_new_cred(struct rpc_task *task) +rpcauth_bind_new_cred(struct rpc_task *task, int lookupflags) { struct rpc_auth *auth = task->tk_client->cl_auth; struct rpc_cred *ret; dprintk("RPC: %5u looking up %s cred\n", task->tk_pid, auth->au_ops->au_name); - ret = rpcauth_lookupcred(auth, 0); + ret = rpcauth_lookupcred(auth, lookupflags); if (!IS_ERR(ret)) task->tk_msg.rpc_cred = ret; else @@ -430,12 +430,16 @@ rpcauth_bind_new_cred(struct rpc_task *task) void rpcauth_bindcred(struct rpc_task *task, struct rpc_cred *cred, int flags) { + int lookupflags = 0; + + if (flags & RPC_TASK_ASYNC) + lookupflags |= RPCAUTH_LOOKUP_NEW; if (cred != NULL) - cred->cr_ops->crbind(task, cred); + cred->cr_ops->crbind(task, cred, lookupflags); else if (flags & RPC_TASK_ROOTCREDS) - rpcauth_bind_root_cred(task); + rpcauth_bind_root_cred(task, lookupflags); else - rpcauth_bind_new_cred(task); + rpcauth_bind_new_cred(task, lookupflags); } void diff --git a/net/sunrpc/auth_generic.c b/net/sunrpc/auth_generic.c index 4028502f0528..bf88bf8e9365 100644 --- a/net/sunrpc/auth_generic.c +++ b/net/sunrpc/auth_generic.c @@ -55,13 +55,13 @@ struct rpc_cred *rpc_lookup_machine_cred(void) EXPORT_SYMBOL_GPL(rpc_lookup_machine_cred); static void -generic_bind_cred(struct rpc_task *task, struct rpc_cred *cred) +generic_bind_cred(struct rpc_task *task, struct rpc_cred *cred, int lookupflags) { struct rpc_auth *auth = task->tk_client->cl_auth; struct auth_cred *acred = &container_of(cred, struct generic_cred, gc_base)->acred; struct rpc_cred *ret; - ret = auth->au_ops->lookup_cred(auth, acred, 0); + ret = auth->au_ops->lookup_cred(auth, acred, lookupflags); if (!IS_ERR(ret)) task->tk_msg.rpc_cred = ret; else diff --git a/net/sunrpc/auth_gss/svcauth_gss.c b/net/sunrpc/auth_gss/svcauth_gss.c index 2e6a148d277c..f6c51e562a02 100644 --- a/net/sunrpc/auth_gss/svcauth_gss.c +++ b/net/sunrpc/auth_gss/svcauth_gss.c @@ -1374,8 +1374,10 @@ svcauth_gss_release(struct svc_rqst *rqstp) if (stat) goto out_err; break; - default: - goto out_err; + /* + * For any other gc_svc value, svcauth_gss_accept() already set + * the auth_error appropriately; just fall through: + */ } out: diff --git a/net/sunrpc/auth_null.c b/net/sunrpc/auth_null.c index c70dd7f5258e..1db618f56ecb 100644 --- a/net/sunrpc/auth_null.c +++ b/net/sunrpc/auth_null.c @@ -8,7 +8,6 @@ #include <linux/types.h> #include <linux/module.h> -#include <linux/utsname.h> #include <linux/sunrpc/clnt.h> #ifdef RPC_DEBUG diff --git a/net/sunrpc/cache.c b/net/sunrpc/cache.c index 45cdaff9b361..d6eee291a0e2 100644 --- a/net/sunrpc/cache.c +++ b/net/sunrpc/cache.c @@ -103,23 +103,21 @@ struct cache_head *sunrpc_cache_lookup(struct cache_detail *detail, EXPORT_SYMBOL_GPL(sunrpc_cache_lookup); -static void queue_loose(struct cache_detail *detail, struct cache_head *ch); +static void cache_dequeue(struct cache_detail *detail, struct cache_head *ch); -static int cache_fresh_locked(struct cache_head *head, time_t expiry) +static void cache_fresh_locked(struct cache_head *head, time_t expiry) { head->expiry_time = expiry; head->last_refresh = get_seconds(); - return !test_and_set_bit(CACHE_VALID, &head->flags); + set_bit(CACHE_VALID, &head->flags); } static void cache_fresh_unlocked(struct cache_head *head, - struct cache_detail *detail, int new) + struct cache_detail *detail) { - if (new) - cache_revisit_request(head); if (test_and_clear_bit(CACHE_PENDING, &head->flags)) { cache_revisit_request(head); - queue_loose(detail, head); + cache_dequeue(detail, head); } } @@ -132,7 +130,6 @@ struct cache_head *sunrpc_cache_update(struct cache_detail *detail, */ struct cache_head **head; struct cache_head *tmp; - int is_new; if (!test_bit(CACHE_VALID, &old->flags)) { write_lock(&detail->hash_lock); @@ -141,9 +138,9 @@ struct cache_head *sunrpc_cache_update(struct cache_detail *detail, set_bit(CACHE_NEGATIVE, &old->flags); else detail->update(old, new); - is_new = cache_fresh_locked(old, new->expiry_time); + cache_fresh_locked(old, new->expiry_time); write_unlock(&detail->hash_lock); - cache_fresh_unlocked(old, detail, is_new); + cache_fresh_unlocked(old, detail); return old; } write_unlock(&detail->hash_lock); @@ -167,11 +164,11 @@ struct cache_head *sunrpc_cache_update(struct cache_detail *detail, *head = tmp; detail->entries++; cache_get(tmp); - is_new = cache_fresh_locked(tmp, new->expiry_time); + cache_fresh_locked(tmp, new->expiry_time); cache_fresh_locked(old, 0); write_unlock(&detail->hash_lock); - cache_fresh_unlocked(tmp, detail, is_new); - cache_fresh_unlocked(old, detail, 0); + cache_fresh_unlocked(tmp, detail); + cache_fresh_unlocked(old, detail); cache_put(old, detail); return tmp; } @@ -184,6 +181,22 @@ static int cache_make_upcall(struct cache_detail *cd, struct cache_head *h) return cd->cache_upcall(cd, h); } +static inline int cache_is_valid(struct cache_detail *detail, struct cache_head *h) +{ + if (!test_bit(CACHE_VALID, &h->flags) || + h->expiry_time < get_seconds()) + return -EAGAIN; + else if (detail->flush_time > h->last_refresh) + return -EAGAIN; + else { + /* entry is valid */ + if (test_bit(CACHE_NEGATIVE, &h->flags)) + return -ENOENT; + else + return 0; + } +} + /* * This is the generic cache management routine for all * the authentication caches. @@ -192,8 +205,10 @@ static int cache_make_upcall(struct cache_detail *cd, struct cache_head *h) * * * Returns 0 if the cache_head can be used, or cache_puts it and returns - * -EAGAIN if upcall is pending, - * -ETIMEDOUT if upcall failed and should be retried, + * -EAGAIN if upcall is pending and request has been queued + * -ETIMEDOUT if upcall failed or request could not be queue or + * upcall completed but item is still invalid (implying that + * the cache item has been replaced with a newer one). * -ENOENT if cache entry was negative */ int cache_check(struct cache_detail *detail, @@ -203,17 +218,7 @@ int cache_check(struct cache_detail *detail, long refresh_age, age; /* First decide return status as best we can */ - if (!test_bit(CACHE_VALID, &h->flags) || - h->expiry_time < get_seconds()) - rv = -EAGAIN; - else if (detail->flush_time > h->last_refresh) - rv = -EAGAIN; - else { - /* entry is valid */ - if (test_bit(CACHE_NEGATIVE, &h->flags)) - rv = -ENOENT; - else rv = 0; - } + rv = cache_is_valid(detail, h); /* now see if we want to start an upcall */ refresh_age = (h->expiry_time - h->last_refresh); @@ -229,10 +234,11 @@ int cache_check(struct cache_detail *detail, switch (cache_make_upcall(detail, h)) { case -EINVAL: clear_bit(CACHE_PENDING, &h->flags); + cache_revisit_request(h); if (rv == -EAGAIN) { set_bit(CACHE_NEGATIVE, &h->flags); - cache_fresh_unlocked(h, detail, - cache_fresh_locked(h, get_seconds()+CACHE_NEW_EXPIRY)); + cache_fresh_locked(h, get_seconds()+CACHE_NEW_EXPIRY); + cache_fresh_unlocked(h, detail); rv = -ENOENT; } break; @@ -245,10 +251,14 @@ int cache_check(struct cache_detail *detail, } } - if (rv == -EAGAIN) - if (cache_defer_req(rqstp, h) != 0) - rv = -ETIMEDOUT; - + if (rv == -EAGAIN) { + if (cache_defer_req(rqstp, h) < 0) { + /* Request is not deferred */ + rv = cache_is_valid(detail, h); + if (rv == -EAGAIN) + rv = -ETIMEDOUT; + } + } if (rv) cache_put(h, detail); return rv; @@ -396,7 +406,7 @@ static int cache_clean(void) ) continue; if (test_and_clear_bit(CACHE_PENDING, &ch->flags)) - queue_loose(current_detail, ch); + cache_dequeue(current_detail, ch); if (atomic_read(&ch->ref.refcount) == 1) break; @@ -412,8 +422,10 @@ static int cache_clean(void) if (!ch) current_index ++; spin_unlock(&cache_list_lock); - if (ch) + if (ch) { + cache_revisit_request(ch); cache_put(ch, d); + } } else spin_unlock(&cache_list_lock); @@ -488,7 +500,7 @@ static int cache_defer_cnt; static int cache_defer_req(struct cache_req *req, struct cache_head *item) { - struct cache_deferred_req *dreq; + struct cache_deferred_req *dreq, *discard; int hash = DFR_HASH(item); if (cache_defer_cnt >= DFR_MAX) { @@ -496,11 +508,11 @@ static int cache_defer_req(struct cache_req *req, struct cache_head *item) * or continue and drop the oldest below */ if (net_random()&1) - return -ETIMEDOUT; + return -ENOMEM; } dreq = req->defer(req); if (dreq == NULL) - return -ETIMEDOUT; + return -ENOMEM; dreq->item = item; @@ -513,23 +525,24 @@ static int cache_defer_req(struct cache_req *req, struct cache_head *item) list_add(&dreq->hash, &cache_defer_hash[hash]); /* it is in, now maybe clean up */ - dreq = NULL; + discard = NULL; if (++cache_defer_cnt > DFR_MAX) { - dreq = list_entry(cache_defer_list.prev, - struct cache_deferred_req, recent); - list_del(&dreq->recent); - list_del(&dreq->hash); + discard = list_entry(cache_defer_list.prev, + struct cache_deferred_req, recent); + list_del_init(&discard->recent); + list_del_init(&discard->hash); cache_defer_cnt--; } spin_unlock(&cache_defer_lock); - if (dreq) { + if (discard) /* there was one too many */ - dreq->revisit(dreq, 1); - } + discard->revisit(discard, 1); + if (!test_bit(CACHE_PENDING, &item->flags)) { /* must have just been validated... */ cache_revisit_request(item); + return -EAGAIN; } return 0; } @@ -551,7 +564,7 @@ static void cache_revisit_request(struct cache_head *item) dreq = list_entry(lp, struct cache_deferred_req, hash); lp = lp->next; if (dreq->item == item) { - list_del(&dreq->hash); + list_del_init(&dreq->hash); list_move(&dreq->recent, &pending); cache_defer_cnt--; } @@ -577,7 +590,7 @@ void cache_clean_deferred(void *owner) list_for_each_entry_safe(dreq, tmp, &cache_defer_list, recent) { if (dreq->owner == owner) { - list_del(&dreq->hash); + list_del_init(&dreq->hash); list_move(&dreq->recent, &pending); cache_defer_cnt--; } @@ -887,7 +900,7 @@ static int cache_release(struct inode *inode, struct file *filp, -static void queue_loose(struct cache_detail *detail, struct cache_head *ch) +static void cache_dequeue(struct cache_detail *detail, struct cache_head *ch) { struct cache_queue *cq; spin_lock(&queue_lock); diff --git a/net/sunrpc/clnt.c b/net/sunrpc/clnt.c index fac0ca93f06b..38829e20500b 100644 --- a/net/sunrpc/clnt.c +++ b/net/sunrpc/clnt.c @@ -288,6 +288,7 @@ struct rpc_clnt *rpc_create(struct rpc_create_args *args) .srcaddr = args->saddress, .dstaddr = args->address, .addrlen = args->addrsize, + .bc_xprt = args->bc_xprt, }; char servername[48]; @@ -639,10 +640,11 @@ EXPORT_SYMBOL_GPL(rpc_call_async); /** * rpc_run_bc_task - Allocate a new RPC task for backchannel use, then run * rpc_execute against it - * @ops: RPC call ops + * @req: RPC request + * @tk_ops: RPC call ops */ struct rpc_task *rpc_run_bc_task(struct rpc_rqst *req, - const struct rpc_call_ops *tk_ops) + const struct rpc_call_ops *tk_ops) { struct rpc_task *task; struct xdr_buf *xbufp = &req->rq_snd_buf; diff --git a/net/sunrpc/rpc_pipe.c b/net/sunrpc/rpc_pipe.c index 7f676bdf70d3..49278f830367 100644 --- a/net/sunrpc/rpc_pipe.c +++ b/net/sunrpc/rpc_pipe.c @@ -860,7 +860,8 @@ static void rpc_clntdir_depopulate(struct dentry *dentry) /** * rpc_create_client_dir - Create a new rpc_client directory in rpc_pipefs - * @path: path from the rpc_pipefs root to the new directory + * @dentry: dentry from the rpc_pipefs root to the new directory + * @name: &struct qstr for the name * @rpc_client: rpc client to associate with this directory * * This creates a directory at the given @path associated with @@ -930,7 +931,7 @@ void rpc_remove_cache_dir(struct dentry *dentry) /* * populate the filesystem */ -static struct super_operations s_ops = { +static const struct super_operations s_ops = { .alloc_inode = rpc_alloc_inode, .destroy_inode = rpc_destroy_inode, .statfs = simple_statfs, diff --git a/net/sunrpc/sched.c b/net/sunrpc/sched.c index 8f459abe97cf..cef74ba0666c 100644 --- a/net/sunrpc/sched.c +++ b/net/sunrpc/sched.c @@ -21,6 +21,8 @@ #include <linux/sunrpc/clnt.h> +#include "sunrpc.h" + #ifdef RPC_DEBUG #define RPCDBG_FACILITY RPCDBG_SCHED #define RPC_TASK_MAGIC_ID 0xf00baa @@ -711,11 +713,6 @@ static void rpc_async_schedule(struct work_struct *work) __rpc_execute(container_of(work, struct rpc_task, u.tk_work)); } -struct rpc_buffer { - size_t len; - char data[]; -}; - /** * rpc_malloc - allocate an RPC buffer * @task: RPC task that will use this buffer diff --git a/net/sunrpc/sunrpc.h b/net/sunrpc/sunrpc.h index 5d9dd742264b..90c292e2738b 100644 --- a/net/sunrpc/sunrpc.h +++ b/net/sunrpc/sunrpc.h @@ -27,11 +27,25 @@ SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. #ifndef _NET_SUNRPC_SUNRPC_H #define _NET_SUNRPC_SUNRPC_H +#include <linux/net.h> + +/* + * Header for dynamically allocated rpc buffers. + */ +struct rpc_buffer { + size_t len; + char data[]; +}; + static inline int rpc_reply_expected(struct rpc_task *task) { return (task->tk_msg.rpc_proc != NULL) && (task->tk_msg.rpc_proc->p_decode != NULL); } +int svc_send_common(struct socket *sock, struct xdr_buf *xdr, + struct page *headpage, unsigned long headoffset, + struct page *tailpage, unsigned long tailoffset); + #endif /* _NET_SUNRPC_SUNRPC_H */ diff --git a/net/sunrpc/svc_xprt.c b/net/sunrpc/svc_xprt.c index 27d44332f017..df124f78ee48 100644 --- a/net/sunrpc/svc_xprt.c +++ b/net/sunrpc/svc_xprt.c @@ -160,6 +160,7 @@ void svc_xprt_init(struct svc_xprt_class *xcl, struct svc_xprt *xprt, mutex_init(&xprt->xpt_mutex); spin_lock_init(&xprt->xpt_lock); set_bit(XPT_BUSY, &xprt->xpt_flags); + rpc_init_wait_queue(&xprt->xpt_bc_pending, "xpt_bc_pending"); } EXPORT_SYMBOL_GPL(svc_xprt_init); @@ -710,10 +711,7 @@ int svc_recv(struct svc_rqst *rqstp, long timeout) spin_unlock_bh(&pool->sp_lock); len = 0; - 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)) { + if (test_bit(XPT_LISTENER, &xprt->xpt_flags)) { struct svc_xprt *newxpt; newxpt = xprt->xpt_ops->xpo_accept(xprt); if (newxpt) { @@ -739,7 +737,7 @@ int svc_recv(struct svc_rqst *rqstp, long timeout) svc_xprt_received(newxpt); } svc_xprt_received(xprt); - } else { + } else if (!test_bit(XPT_CLOSE, &xprt->xpt_flags)) { dprintk("svc: server %p, pool %u, transport %p, inuse=%d\n", rqstp, pool->sp_id, xprt, atomic_read(&xprt->xpt_ref.refcount)); @@ -752,6 +750,11 @@ int svc_recv(struct svc_rqst *rqstp, long timeout) dprintk("svc: got len=%d\n", len); } + if (test_bit(XPT_CLOSE, &xprt->xpt_flags)) { + dprintk("svc_recv: found XPT_CLOSE\n"); + svc_delete_xprt(xprt); + } + /* No data, incomplete (TCP) read, or accept() */ if (len == 0 || len == -EAGAIN) { rqstp->rq_res.len = 0; @@ -808,6 +811,7 @@ int svc_send(struct svc_rqst *rqstp) else len = xprt->xpt_ops->xpo_sendto(rqstp); mutex_unlock(&xprt->xpt_mutex); + rpc_wake_up(&xprt->xpt_bc_pending); svc_xprt_release(rqstp); if (len == -ECONNREFUSED || len == -ENOTCONN || len == -EAGAIN) @@ -1166,11 +1170,6 @@ static void *svc_pool_stats_start(struct seq_file *m, loff_t *pos) dprintk("svc_pool_stats_start, *pidx=%u\n", pidx); - lock_kernel(); - /* bump up the pseudo refcount while traversing */ - svc_get(serv); - unlock_kernel(); - if (!pidx) return SEQ_START_TOKEN; return (pidx > serv->sv_nrpools ? NULL : &serv->sv_pools[pidx-1]); @@ -1198,12 +1197,6 @@ static void *svc_pool_stats_next(struct seq_file *m, void *p, loff_t *pos) static void svc_pool_stats_stop(struct seq_file *m, void *p) { - struct svc_serv *serv = m->private; - - lock_kernel(); - /* this function really, really should have been called svc_put() */ - svc_destroy(serv); - unlock_kernel(); } static int svc_pool_stats_show(struct seq_file *m, void *p) diff --git a/net/sunrpc/svcauth_unix.c b/net/sunrpc/svcauth_unix.c index 6caffa34ac01..117f68a8aa40 100644 --- a/net/sunrpc/svcauth_unix.c +++ b/net/sunrpc/svcauth_unix.c @@ -668,6 +668,7 @@ static int unix_gid_find(uid_t uid, struct group_info **gip, case 0: *gip = ug->gi; get_group_info(*gip); + cache_put(&ug->h, &unix_gid_cache); return 0; default: return -EAGAIN; diff --git a/net/sunrpc/svcsock.c b/net/sunrpc/svcsock.c index 23128ee191ae..ccc5e83cae5d 100644 --- a/net/sunrpc/svcsock.c +++ b/net/sunrpc/svcsock.c @@ -49,6 +49,7 @@ #include <linux/sunrpc/msg_prot.h> #include <linux/sunrpc/svcsock.h> #include <linux/sunrpc/stats.h> +#include <linux/sunrpc/xprt.h> #define RPCDBG_FACILITY RPCDBG_SVCXPRT @@ -153,49 +154,27 @@ static void svc_set_cmsg_data(struct svc_rqst *rqstp, struct cmsghdr *cmh) } /* - * Generic sendto routine + * send routine intended to be shared by the fore- and back-channel */ -static int svc_sendto(struct svc_rqst *rqstp, struct xdr_buf *xdr) +int svc_send_common(struct socket *sock, struct xdr_buf *xdr, + struct page *headpage, unsigned long headoffset, + struct page *tailpage, unsigned long tailoffset) { - struct svc_sock *svsk = - container_of(rqstp->rq_xprt, struct svc_sock, sk_xprt); - struct socket *sock = svsk->sk_sock; - int slen; - union { - struct cmsghdr hdr; - long all[SVC_PKTINFO_SPACE / sizeof(long)]; - } buffer; - struct cmsghdr *cmh = &buffer.hdr; - int len = 0; int result; int size; struct page **ppage = xdr->pages; size_t base = xdr->page_base; unsigned int pglen = xdr->page_len; unsigned int flags = MSG_MORE; - RPC_IFDEBUG(char buf[RPC_MAX_ADDRBUFLEN]); + int slen; + int len = 0; slen = xdr->len; - if (rqstp->rq_prot == IPPROTO_UDP) { - struct msghdr msg = { - .msg_name = &rqstp->rq_addr, - .msg_namelen = rqstp->rq_addrlen, - .msg_control = cmh, - .msg_controllen = sizeof(buffer), - .msg_flags = MSG_MORE, - }; - - svc_set_cmsg_data(rqstp, cmh); - - if (sock_sendmsg(sock, &msg, 0) < 0) - goto out; - } - /* send head */ if (slen == xdr->head[0].iov_len) flags = 0; - len = kernel_sendpage(sock, rqstp->rq_respages[0], 0, + len = kernel_sendpage(sock, headpage, headoffset, xdr->head[0].iov_len, flags); if (len != xdr->head[0].iov_len) goto out; @@ -219,16 +198,58 @@ static int svc_sendto(struct svc_rqst *rqstp, struct xdr_buf *xdr) base = 0; ppage++; } + /* send tail */ if (xdr->tail[0].iov_len) { - result = kernel_sendpage(sock, rqstp->rq_respages[0], - ((unsigned long)xdr->tail[0].iov_base) - & (PAGE_SIZE-1), - xdr->tail[0].iov_len, 0); - + result = kernel_sendpage(sock, tailpage, tailoffset, + xdr->tail[0].iov_len, 0); if (result > 0) len += result; } + +out: + return len; +} + + +/* + * Generic sendto routine + */ +static int svc_sendto(struct svc_rqst *rqstp, struct xdr_buf *xdr) +{ + struct svc_sock *svsk = + container_of(rqstp->rq_xprt, struct svc_sock, sk_xprt); + struct socket *sock = svsk->sk_sock; + union { + struct cmsghdr hdr; + long all[SVC_PKTINFO_SPACE / sizeof(long)]; + } buffer; + struct cmsghdr *cmh = &buffer.hdr; + int len = 0; + unsigned long tailoff; + unsigned long headoff; + RPC_IFDEBUG(char buf[RPC_MAX_ADDRBUFLEN]); + + if (rqstp->rq_prot == IPPROTO_UDP) { + struct msghdr msg = { + .msg_name = &rqstp->rq_addr, + .msg_namelen = rqstp->rq_addrlen, + .msg_control = cmh, + .msg_controllen = sizeof(buffer), + .msg_flags = MSG_MORE, + }; + + svc_set_cmsg_data(rqstp, cmh); + + if (sock_sendmsg(sock, &msg, 0) < 0) + goto out; + } + + tailoff = ((unsigned long)xdr->tail[0].iov_base) & (PAGE_SIZE-1); + headoff = 0; + len = svc_send_common(sock, xdr, rqstp->rq_respages[0], headoff, + rqstp->rq_respages[0], tailoff); + out: dprintk("svc: socket %p sendto([%p %Zu... ], %d) = %d (addr %s)\n", svsk, xdr->head[0].iov_base, xdr->head[0].iov_len, @@ -432,29 +453,49 @@ static void svc_tcp_write_space(struct sock *sk) } /* + * See net/ipv6/ip_sockglue.c : ip_cmsg_recv_pktinfo + */ +static int svc_udp_get_dest_address4(struct svc_rqst *rqstp, + struct cmsghdr *cmh) +{ + struct in_pktinfo *pki = CMSG_DATA(cmh); + if (cmh->cmsg_type != IP_PKTINFO) + return 0; + rqstp->rq_daddr.addr.s_addr = pki->ipi_spec_dst.s_addr; + return 1; +} + +/* + * See net/ipv6/datagram.c : datagram_recv_ctl + */ +static int svc_udp_get_dest_address6(struct svc_rqst *rqstp, + struct cmsghdr *cmh) +{ + struct in6_pktinfo *pki = CMSG_DATA(cmh); + if (cmh->cmsg_type != IPV6_PKTINFO) + return 0; + ipv6_addr_copy(&rqstp->rq_daddr.addr6, &pki->ipi6_addr); + return 1; +} + +/* * Copy the UDP datagram's destination address to the rqstp structure. * The 'destination' address in this case is the address to which the * peer sent the datagram, i.e. our local address. For multihomed * hosts, this can change from msg to msg. Note that only the IP * address changes, the port number should remain the same. */ -static void svc_udp_get_dest_address(struct svc_rqst *rqstp, - struct cmsghdr *cmh) +static int svc_udp_get_dest_address(struct svc_rqst *rqstp, + struct cmsghdr *cmh) { - struct svc_sock *svsk = - container_of(rqstp->rq_xprt, struct svc_sock, sk_xprt); - switch (svsk->sk_sk->sk_family) { - case AF_INET: { - struct in_pktinfo *pki = CMSG_DATA(cmh); - rqstp->rq_daddr.addr.s_addr = pki->ipi_spec_dst.s_addr; - break; - } - case AF_INET6: { - struct in6_pktinfo *pki = CMSG_DATA(cmh); - ipv6_addr_copy(&rqstp->rq_daddr.addr6, &pki->ipi6_addr); - break; - } + switch (cmh->cmsg_level) { + case SOL_IP: + return svc_udp_get_dest_address4(rqstp, cmh); + case SOL_IPV6: + return svc_udp_get_dest_address6(rqstp, cmh); } + + return 0; } /* @@ -531,16 +572,15 @@ static int svc_udp_recvfrom(struct svc_rqst *rqstp) rqstp->rq_prot = IPPROTO_UDP; - if (cmh->cmsg_level != IPPROTO_IP || - cmh->cmsg_type != IP_PKTINFO) { + if (!svc_udp_get_dest_address(rqstp, cmh)) { if (net_ratelimit()) - printk("rpcsvc: received unknown control message:" - "%d/%d\n", - cmh->cmsg_level, cmh->cmsg_type); + printk(KERN_WARNING + "svc: received unknown control message %d/%d; " + "dropping RPC reply datagram\n", + cmh->cmsg_level, cmh->cmsg_type); skb_free_datagram(svsk->sk_sk, skb); return 0; } - svc_udp_get_dest_address(rqstp, cmh); if (skb_is_nonlinear(skb)) { /* we have to copy */ @@ -651,8 +691,7 @@ static struct svc_xprt_class svc_udp_class = { static void svc_udp_init(struct svc_sock *svsk, struct svc_serv *serv) { - int one = 1; - mm_segment_t oldfs; + int err, level, optname, one = 1; svc_xprt_init(&svc_udp_class, &svsk->sk_xprt, serv); clear_bit(XPT_CACHE_AUTH, &svsk->sk_xprt.xpt_flags); @@ -671,12 +710,22 @@ static void svc_udp_init(struct svc_sock *svsk, struct svc_serv *serv) set_bit(XPT_DATA, &svsk->sk_xprt.xpt_flags); set_bit(XPT_CHNGBUF, &svsk->sk_xprt.xpt_flags); - oldfs = get_fs(); - set_fs(KERNEL_DS); /* make sure we get destination address info */ - svsk->sk_sock->ops->setsockopt(svsk->sk_sock, IPPROTO_IP, IP_PKTINFO, - (char __user *)&one, sizeof(one)); - set_fs(oldfs); + switch (svsk->sk_sk->sk_family) { + case AF_INET: + level = SOL_IP; + optname = IP_PKTINFO; + break; + case AF_INET6: + level = SOL_IPV6; + optname = IPV6_RECVPKTINFO; + break; + default: + BUG(); + } + err = kernel_setsockopt(svsk->sk_sock, level, optname, + (char *)&one, sizeof(one)); + dprintk("svc: kernel_setsockopt returned %d\n", err); } /* @@ -826,21 +875,15 @@ failed: } /* - * Receive data from a TCP socket. + * Receive data. + * If we haven't gotten the record length yet, get the next four bytes. + * Otherwise try to gobble up as much as possible up to the complete + * record length. */ -static int svc_tcp_recvfrom(struct svc_rqst *rqstp) +static int svc_tcp_recv_record(struct svc_sock *svsk, struct svc_rqst *rqstp) { - struct svc_sock *svsk = - container_of(rqstp->rq_xprt, struct svc_sock, sk_xprt); struct svc_serv *serv = svsk->sk_xprt.xpt_server; - int len; - struct kvec *vec; - int pnum, vlen; - - dprintk("svc: tcp_recv %p data %d conn %d close %d\n", - svsk, test_bit(XPT_DATA, &svsk->sk_xprt.xpt_flags), - test_bit(XPT_CONN, &svsk->sk_xprt.xpt_flags), - test_bit(XPT_CLOSE, &svsk->sk_xprt.xpt_flags)); + int len; if (test_and_clear_bit(XPT_CHNGBUF, &svsk->sk_xprt.xpt_flags)) /* sndbuf needs to have room for one request @@ -861,10 +904,6 @@ static int svc_tcp_recvfrom(struct svc_rqst *rqstp) clear_bit(XPT_DATA, &svsk->sk_xprt.xpt_flags); - /* Receive data. If we haven't got the record length yet, get - * the next four bytes. Otherwise try to gobble up as much as - * possible up to the complete record length. - */ if (svsk->sk_tcplen < sizeof(rpc_fraghdr)) { int want = sizeof(rpc_fraghdr) - svsk->sk_tcplen; struct kvec iov; @@ -879,7 +918,7 @@ static int svc_tcp_recvfrom(struct svc_rqst *rqstp) dprintk("svc: short recvfrom while reading record " "length (%d of %d)\n", len, want); svc_xprt_received(&svsk->sk_xprt); - return -EAGAIN; /* record header not complete */ + goto err_again; /* record header not complete */ } svsk->sk_reclen = ntohl(svsk->sk_reclen); @@ -894,6 +933,7 @@ static int svc_tcp_recvfrom(struct svc_rqst *rqstp) "per record not supported\n"); goto err_delete; } + svsk->sk_reclen &= RPC_FRAGMENT_SIZE_MASK; dprintk("svc: TCP record, %d bytes\n", svsk->sk_reclen); if (svsk->sk_reclen > serv->sv_max_mesg) { @@ -914,17 +954,121 @@ static int svc_tcp_recvfrom(struct svc_rqst *rqstp) dprintk("svc: incomplete TCP record (%d of %d)\n", len, svsk->sk_reclen); svc_xprt_received(&svsk->sk_xprt); - return -EAGAIN; /* record not complete */ + goto err_again; /* record not complete */ } len = svsk->sk_reclen; set_bit(XPT_DATA, &svsk->sk_xprt.xpt_flags); + return len; + error: + if (len == -EAGAIN) { + dprintk("RPC: TCP recv_record got EAGAIN\n"); + svc_xprt_received(&svsk->sk_xprt); + } + return len; + err_delete: + set_bit(XPT_CLOSE, &svsk->sk_xprt.xpt_flags); + err_again: + return -EAGAIN; +} + +static int svc_process_calldir(struct svc_sock *svsk, struct svc_rqst *rqstp, + struct rpc_rqst **reqpp, struct kvec *vec) +{ + struct rpc_rqst *req = NULL; + u32 *p; + u32 xid; + u32 calldir; + int len; + + len = svc_recvfrom(rqstp, vec, 1, 8); + if (len < 0) + goto error; + + p = (u32 *)rqstp->rq_arg.head[0].iov_base; + xid = *p++; + calldir = *p; + + if (calldir == 0) { + /* REQUEST is the most common case */ + vec[0] = rqstp->rq_arg.head[0]; + } else { + /* REPLY */ + if (svsk->sk_bc_xprt) + req = xprt_lookup_rqst(svsk->sk_bc_xprt, xid); + + if (!req) { + printk(KERN_NOTICE + "%s: Got unrecognized reply: " + "calldir 0x%x sk_bc_xprt %p xid %08x\n", + __func__, ntohl(calldir), + svsk->sk_bc_xprt, xid); + vec[0] = rqstp->rq_arg.head[0]; + goto out; + } + + memcpy(&req->rq_private_buf, &req->rq_rcv_buf, + sizeof(struct xdr_buf)); + /* copy the xid and call direction */ + memcpy(req->rq_private_buf.head[0].iov_base, + rqstp->rq_arg.head[0].iov_base, 8); + vec[0] = req->rq_private_buf.head[0]; + } + out: + vec[0].iov_base += 8; + vec[0].iov_len -= 8; + len = svsk->sk_reclen - 8; + error: + *reqpp = req; + return len; +} + +/* + * Receive data from a TCP socket. + */ +static int svc_tcp_recvfrom(struct svc_rqst *rqstp) +{ + struct svc_sock *svsk = + container_of(rqstp->rq_xprt, struct svc_sock, sk_xprt); + struct svc_serv *serv = svsk->sk_xprt.xpt_server; + int len; + struct kvec *vec; + int pnum, vlen; + struct rpc_rqst *req = NULL; + + dprintk("svc: tcp_recv %p data %d conn %d close %d\n", + svsk, test_bit(XPT_DATA, &svsk->sk_xprt.xpt_flags), + test_bit(XPT_CONN, &svsk->sk_xprt.xpt_flags), + test_bit(XPT_CLOSE, &svsk->sk_xprt.xpt_flags)); + + len = svc_tcp_recv_record(svsk, rqstp); + if (len < 0) + goto error; + vec = rqstp->rq_vec; vec[0] = rqstp->rq_arg.head[0]; vlen = PAGE_SIZE; + + /* + * We have enough data for the whole tcp record. Let's try and read the + * first 8 bytes to get the xid and the call direction. We can use this + * to figure out if this is a call or a reply to a callback. If + * sk_reclen is < 8 (xid and calldir), then this is a malformed packet. + * In that case, don't bother with the calldir and just read the data. + * It will be rejected in svc_process. + */ + if (len >= 8) { + len = svc_process_calldir(svsk, rqstp, &req, vec); + if (len < 0) + goto err_again; + vlen -= 8; + } + pnum = 1; while (vlen < len) { - vec[pnum].iov_base = page_address(rqstp->rq_pages[pnum]); + vec[pnum].iov_base = (req) ? + page_address(req->rq_private_buf.pages[pnum - 1]) : + page_address(rqstp->rq_pages[pnum]); vec[pnum].iov_len = PAGE_SIZE; pnum++; vlen += PAGE_SIZE; @@ -934,8 +1078,18 @@ static int svc_tcp_recvfrom(struct svc_rqst *rqstp) /* Now receive data */ len = svc_recvfrom(rqstp, vec, pnum, len); if (len < 0) - goto error; + goto err_again; + /* + * Account for the 8 bytes we read earlier + */ + len += 8; + + if (req) { + xprt_complete_rqst(req->rq_task, len); + len = 0; + goto out; + } dprintk("svc: TCP complete record (%d bytes)\n", len); rqstp->rq_arg.len = len; rqstp->rq_arg.page_base = 0; @@ -949,6 +1103,7 @@ static int svc_tcp_recvfrom(struct svc_rqst *rqstp) rqstp->rq_xprt_ctxt = NULL; rqstp->rq_prot = IPPROTO_TCP; +out: /* Reset TCP read info */ svsk->sk_reclen = 0; svsk->sk_tcplen = 0; @@ -960,21 +1115,19 @@ static int svc_tcp_recvfrom(struct svc_rqst *rqstp) return len; - err_delete: - set_bit(XPT_CLOSE, &svsk->sk_xprt.xpt_flags); - return -EAGAIN; - - error: +err_again: if (len == -EAGAIN) { dprintk("RPC: TCP recvfrom got EAGAIN\n"); svc_xprt_received(&svsk->sk_xprt); - } else { + return len; + } +error: + if (len != -EAGAIN) { printk(KERN_NOTICE "%s: recvfrom returned errno %d\n", svsk->sk_xprt.xpt_server->sv_name, -len); - goto err_delete; + set_bit(XPT_CLOSE, &svsk->sk_xprt.xpt_flags); } - - return len; + return -EAGAIN; } /* diff --git a/net/sunrpc/sysctl.c b/net/sunrpc/sysctl.c index 5231f7aaac0e..42f9748ae093 100644 --- a/net/sunrpc/sysctl.c +++ b/net/sunrpc/sysctl.c @@ -56,7 +56,7 @@ rpc_unregister_sysctl(void) } } -static int proc_do_xprt(ctl_table *table, int write, struct file *file, +static int proc_do_xprt(ctl_table *table, int write, void __user *buffer, size_t *lenp, loff_t *ppos) { char tmpbuf[256]; @@ -71,7 +71,7 @@ static int proc_do_xprt(ctl_table *table, int write, struct file *file, } static int -proc_dodebug(ctl_table *table, int write, struct file *file, +proc_dodebug(ctl_table *table, int write, void __user *buffer, size_t *lenp, loff_t *ppos) { char tmpbuf[20], c, *s; diff --git a/net/sunrpc/xprt.c b/net/sunrpc/xprt.c index f412a852bc73..fd46d42afa89 100644 --- a/net/sunrpc/xprt.c +++ b/net/sunrpc/xprt.c @@ -832,6 +832,11 @@ static void xprt_timer(struct rpc_task *task) spin_unlock_bh(&xprt->transport_lock); } +static inline int xprt_has_timer(struct rpc_xprt *xprt) +{ + return xprt->idle_timeout != 0; +} + /** * xprt_prepare_transmit - reserve the transport before sending a request * @task: RPC task about to send a request @@ -1013,7 +1018,7 @@ void xprt_release(struct rpc_task *task) if (!list_empty(&req->rq_list)) list_del(&req->rq_list); xprt->last_used = jiffies; - if (list_empty(&xprt->recv)) + if (list_empty(&xprt->recv) && xprt_has_timer(xprt)) mod_timer(&xprt->timer, xprt->last_used + xprt->idle_timeout); spin_unlock_bh(&xprt->transport_lock); @@ -1082,8 +1087,11 @@ found: #endif /* CONFIG_NFS_V4_1 */ INIT_WORK(&xprt->task_cleanup, xprt_autoclose); - setup_timer(&xprt->timer, xprt_init_autodisconnect, - (unsigned long)xprt); + if (xprt_has_timer(xprt)) + setup_timer(&xprt->timer, xprt_init_autodisconnect, + (unsigned long)xprt); + else + init_timer(&xprt->timer); xprt->last_used = jiffies; xprt->cwnd = RPC_INITCWND; xprt->bind_index = 0; @@ -1102,7 +1110,6 @@ found: dprintk("RPC: created transport %p with %u slots\n", xprt, xprt->max_reqs); - return xprt; } diff --git a/net/sunrpc/xprtrdma/svc_rdma.c b/net/sunrpc/xprtrdma/svc_rdma.c index 87101177825b..35fb68b9c8ec 100644 --- a/net/sunrpc/xprtrdma/svc_rdma.c +++ b/net/sunrpc/xprtrdma/svc_rdma.c @@ -80,7 +80,7 @@ struct kmem_cache *svc_rdma_ctxt_cachep; * current value. */ static int read_reset_stat(ctl_table *table, int write, - struct file *filp, void __user *buffer, size_t *lenp, + void __user *buffer, size_t *lenp, loff_t *ppos) { atomic_t *stat = (atomic_t *)table->data; diff --git a/net/sunrpc/xprtrdma/svc_rdma_transport.c b/net/sunrpc/xprtrdma/svc_rdma_transport.c index 5151f9f6c573..3fa5751af0ec 100644 --- a/net/sunrpc/xprtrdma/svc_rdma_transport.c +++ b/net/sunrpc/xprtrdma/svc_rdma_transport.c @@ -42,6 +42,7 @@ #include <linux/sunrpc/svc_xprt.h> #include <linux/sunrpc/debug.h> #include <linux/sunrpc/rpc_rdma.h> +#include <linux/sched.h> #include <linux/spinlock.h> #include <rdma/ib_verbs.h> #include <rdma/rdma_cm.h> @@ -730,12 +731,12 @@ static struct svc_rdma_fastreg_mr *rdma_alloc_frmr(struct svcxprt_rdma *xprt) goto err; mr = ib_alloc_fast_reg_mr(xprt->sc_pd, RPCSVC_MAXPAGES); - if (!mr) + if (IS_ERR(mr)) goto err_free_frmr; pl = ib_alloc_fast_reg_page_list(xprt->sc_cm_id->device, RPCSVC_MAXPAGES); - if (!pl) + if (IS_ERR(pl)) goto err_free_mr; frmr->mr = mr; diff --git a/net/sunrpc/xprtsock.c b/net/sunrpc/xprtsock.c index 62438f3a914d..37c5475ba258 100644 --- a/net/sunrpc/xprtsock.c +++ b/net/sunrpc/xprtsock.c @@ -32,6 +32,7 @@ #include <linux/tcp.h> #include <linux/sunrpc/clnt.h> #include <linux/sunrpc/sched.h> +#include <linux/sunrpc/svcsock.h> #include <linux/sunrpc/xprtsock.h> #include <linux/file.h> #ifdef CONFIG_NFS_V4_1 @@ -43,6 +44,7 @@ #include <net/udp.h> #include <net/tcp.h> +#include "sunrpc.h" /* * xprtsock tunables */ @@ -771,6 +773,7 @@ static void xs_close(struct rpc_xprt *xprt) dprintk("RPC: xs_close xprt %p\n", xprt); xs_reset_transport(transport); + xprt->reestablish_timeout = 0; smp_mb__before_clear_bit(); clear_bit(XPRT_CONNECTION_ABORT, &xprt->state); @@ -1262,6 +1265,12 @@ static void xs_tcp_data_ready(struct sock *sk, int bytes) if (xprt->shutdown) goto out; + /* Any data means we had a useful conversation, so + * the we don't need to delay the next reconnect + */ + if (xprt->reestablish_timeout) + xprt->reestablish_timeout = 0; + /* We use rd_desc to pass struct xprt to xs_tcp_data_recv */ rd_desc.arg.data = xprt; do { @@ -2032,6 +2041,8 @@ static void xs_connect(struct rpc_task *task) &transport->connect_worker, xprt->reestablish_timeout); xprt->reestablish_timeout <<= 1; + if (xprt->reestablish_timeout < XS_TCP_INIT_REEST_TO) + xprt->reestablish_timeout = XS_TCP_INIT_REEST_TO; if (xprt->reestablish_timeout > XS_TCP_MAX_REEST_TO) xprt->reestablish_timeout = XS_TCP_MAX_REEST_TO; } else { @@ -2098,6 +2109,134 @@ static void xs_tcp_print_stats(struct rpc_xprt *xprt, struct seq_file *seq) xprt->stat.bklog_u); } +/* + * Allocate a bunch of pages for a scratch buffer for the rpc code. The reason + * we allocate pages instead doing a kmalloc like rpc_malloc is because we want + * to use the server side send routines. + */ +void *bc_malloc(struct rpc_task *task, size_t size) +{ + struct page *page; + struct rpc_buffer *buf; + + BUG_ON(size > PAGE_SIZE - sizeof(struct rpc_buffer)); + page = alloc_page(GFP_KERNEL); + + if (!page) + return NULL; + + buf = page_address(page); + buf->len = PAGE_SIZE; + + return buf->data; +} + +/* + * Free the space allocated in the bc_alloc routine + */ +void bc_free(void *buffer) +{ + struct rpc_buffer *buf; + + if (!buffer) + return; + + buf = container_of(buffer, struct rpc_buffer, data); + free_page((unsigned long)buf); +} + +/* + * Use the svc_sock to send the callback. Must be called with svsk->sk_mutex + * held. Borrows heavily from svc_tcp_sendto and xs_tcp_send_request. + */ +static int bc_sendto(struct rpc_rqst *req) +{ + int len; + struct xdr_buf *xbufp = &req->rq_snd_buf; + struct rpc_xprt *xprt = req->rq_xprt; + struct sock_xprt *transport = + container_of(xprt, struct sock_xprt, xprt); + struct socket *sock = transport->sock; + unsigned long headoff; + unsigned long tailoff; + + /* + * Set up the rpc header and record marker stuff + */ + xs_encode_tcp_record_marker(xbufp); + + tailoff = (unsigned long)xbufp->tail[0].iov_base & ~PAGE_MASK; + headoff = (unsigned long)xbufp->head[0].iov_base & ~PAGE_MASK; + len = svc_send_common(sock, xbufp, + virt_to_page(xbufp->head[0].iov_base), headoff, + xbufp->tail[0].iov_base, tailoff); + + if (len != xbufp->len) { + printk(KERN_NOTICE "Error sending entire callback!\n"); + len = -EAGAIN; + } + + return len; +} + +/* + * The send routine. Borrows from svc_send + */ +static int bc_send_request(struct rpc_task *task) +{ + struct rpc_rqst *req = task->tk_rqstp; + struct svc_xprt *xprt; + struct svc_sock *svsk; + u32 len; + + dprintk("sending request with xid: %08x\n", ntohl(req->rq_xid)); + /* + * Get the server socket associated with this callback xprt + */ + xprt = req->rq_xprt->bc_xprt; + svsk = container_of(xprt, struct svc_sock, sk_xprt); + + /* + * Grab the mutex to serialize data as the connection is shared + * with the fore channel + */ + if (!mutex_trylock(&xprt->xpt_mutex)) { + rpc_sleep_on(&xprt->xpt_bc_pending, task, NULL); + if (!mutex_trylock(&xprt->xpt_mutex)) + return -EAGAIN; + rpc_wake_up_queued_task(&xprt->xpt_bc_pending, task); + } + if (test_bit(XPT_DEAD, &xprt->xpt_flags)) + len = -ENOTCONN; + else + len = bc_sendto(req); + mutex_unlock(&xprt->xpt_mutex); + + if (len > 0) + len = 0; + + return len; +} + +/* + * The close routine. Since this is client initiated, we do nothing + */ + +static void bc_close(struct rpc_xprt *xprt) +{ + return; +} + +/* + * The xprt destroy routine. Again, because this connection is client + * initiated, we do nothing + */ + +static void bc_destroy(struct rpc_xprt *xprt) +{ + return; +} + static struct rpc_xprt_ops xs_udp_ops = { .set_buffer_size = xs_udp_set_buffer_size, .reserve_xprt = xprt_reserve_xprt_cong, @@ -2134,6 +2273,22 @@ static struct rpc_xprt_ops xs_tcp_ops = { .print_stats = xs_tcp_print_stats, }; +/* + * The rpc_xprt_ops for the server backchannel + */ + +static struct rpc_xprt_ops bc_tcp_ops = { + .reserve_xprt = xprt_reserve_xprt, + .release_xprt = xprt_release_xprt, + .buf_alloc = bc_malloc, + .buf_free = bc_free, + .send_request = bc_send_request, + .set_retrans_timeout = xprt_set_retrans_timeout_def, + .close = bc_close, + .destroy = bc_destroy, + .print_stats = xs_tcp_print_stats, +}; + static struct rpc_xprt *xs_setup_xprt(struct xprt_create *args, unsigned int slot_table_size) { @@ -2322,11 +2477,93 @@ static struct rpc_xprt *xs_setup_tcp(struct xprt_create *args) return ERR_PTR(-EINVAL); } +/** + * xs_setup_bc_tcp - Set up transport to use a TCP backchannel socket + * @args: rpc transport creation arguments + * + */ +static struct rpc_xprt *xs_setup_bc_tcp(struct xprt_create *args) +{ + struct sockaddr *addr = args->dstaddr; + struct rpc_xprt *xprt; + struct sock_xprt *transport; + struct svc_sock *bc_sock; + + if (!args->bc_xprt) + ERR_PTR(-EINVAL); + + xprt = xs_setup_xprt(args, xprt_tcp_slot_table_entries); + if (IS_ERR(xprt)) + return xprt; + transport = container_of(xprt, struct sock_xprt, xprt); + + xprt->prot = IPPROTO_TCP; + xprt->tsh_size = sizeof(rpc_fraghdr) / sizeof(u32); + xprt->max_payload = RPC_MAX_FRAGMENT_SIZE; + xprt->timeout = &xs_tcp_default_timeout; + + /* backchannel */ + xprt_set_bound(xprt); + xprt->bind_timeout = 0; + xprt->connect_timeout = 0; + 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) { + case AF_INET: + xs_format_peer_addresses(xprt, "tcp", + RPCBIND_NETID_TCP); + break; + case AF_INET6: + xs_format_peer_addresses(xprt, "tcp", + RPCBIND_NETID_TCP6); + break; + default: + kfree(xprt); + return ERR_PTR(-EAFNOSUPPORT); + } + + if (xprt_bound(xprt)) + dprintk("RPC: set up xprt to %s (port %s) via %s\n", + xprt->address_strings[RPC_DISPLAY_ADDR], + xprt->address_strings[RPC_DISPLAY_PORT], + xprt->address_strings[RPC_DISPLAY_PROTO]); + else + dprintk("RPC: set up xprt to %s (autobind) via %s\n", + xprt->address_strings[RPC_DISPLAY_ADDR], + xprt->address_strings[RPC_DISPLAY_PROTO]); + + /* + * Since we don't want connections for the backchannel, we set + * the xprt status to connected + */ + xprt_set_connected(xprt); + + + if (try_module_get(THIS_MODULE)) + return xprt; + kfree(xprt->slot); + kfree(xprt); + return ERR_PTR(-EINVAL); +} + static struct xprt_class xs_udp_transport = { .list = LIST_HEAD_INIT(xs_udp_transport.list), .name = "udp", .owner = THIS_MODULE, - .ident = IPPROTO_UDP, + .ident = XPRT_TRANSPORT_UDP, .setup = xs_setup_udp, }; @@ -2334,10 +2571,18 @@ static struct xprt_class xs_tcp_transport = { .list = LIST_HEAD_INIT(xs_tcp_transport.list), .name = "tcp", .owner = THIS_MODULE, - .ident = IPPROTO_TCP, + .ident = XPRT_TRANSPORT_TCP, .setup = xs_setup_tcp, }; +static struct xprt_class xs_bc_tcp_transport = { + .list = LIST_HEAD_INIT(xs_bc_tcp_transport.list), + .name = "tcp NFSv4.1 backchannel", + .owner = THIS_MODULE, + .ident = XPRT_TRANSPORT_BC_TCP, + .setup = xs_setup_bc_tcp, +}; + /** * init_socket_xprt - set up xprtsock's sysctls, register with RPC client * @@ -2351,6 +2596,7 @@ int init_socket_xprt(void) xprt_register_transport(&xs_udp_transport); xprt_register_transport(&xs_tcp_transport); + xprt_register_transport(&xs_bc_tcp_transport); return 0; } @@ -2370,6 +2616,7 @@ void cleanup_socket_xprt(void) xprt_unregister_transport(&xs_udp_transport); xprt_unregister_transport(&xs_tcp_transport); + xprt_unregister_transport(&xs_bc_tcp_transport); } static int param_set_uint_minmax(const char *val, struct kernel_param *kp, diff --git a/net/tipc/socket.c b/net/tipc/socket.c index e8254e809b79..e6d9abf7440e 100644 --- a/net/tipc/socket.c +++ b/net/tipc/socket.c @@ -1658,7 +1658,7 @@ restart: */ static int setsockopt(struct socket *sock, - int lvl, int opt, char __user *ov, int ol) + int lvl, int opt, char __user *ov, unsigned int ol) { struct sock *sk = sock->sk; struct tipc_port *tport = tipc_sk_port(sk); diff --git a/net/wireless/core.c b/net/wireless/core.c index 45b2be3274db..a595f712b5bf 100644 --- a/net/wireless/core.c +++ b/net/wireless/core.c @@ -14,6 +14,7 @@ #include <linux/device.h> #include <linux/etherdevice.h> #include <linux/rtnetlink.h> +#include <linux/sched.h> #include <net/genetlink.h> #include <net/cfg80211.h> #include "nl80211.h" diff --git a/net/wireless/scan.c b/net/wireless/scan.c index 4c210c2debc6..e5f92ee758f4 100644 --- a/net/wireless/scan.c +++ b/net/wireless/scan.c @@ -662,7 +662,7 @@ int cfg80211_wext_siwscan(struct net_device *dev, int k; int wiphy_freq = wiphy->bands[band]->channels[j].center_freq; for (k = 0; k < wreq->num_channels; k++) { - int wext_freq = wreq->channel_list[k].m / 100000; + int wext_freq = cfg80211_wext_freq(wiphy, &wreq->channel_list[k]); if (wext_freq == wiphy_freq) goto wext_freq_found; } @@ -675,6 +675,11 @@ int cfg80211_wext_siwscan(struct net_device *dev, wext_freq_not_found: ; } } + /* No channels found? */ + if (!i) { + err = -EINVAL; + goto out; + } /* Set real number of channels specified in creq->channels[] */ creq->n_channels = i; diff --git a/net/wireless/sme.c b/net/wireless/sme.c index 68307883ec87..93c3ed329204 100644 --- a/net/wireless/sme.c +++ b/net/wireless/sme.c @@ -188,7 +188,7 @@ void cfg80211_conn_work(struct work_struct *work) rtnl_unlock(); } -static bool cfg80211_get_conn_bss(struct wireless_dev *wdev) +static struct cfg80211_bss *cfg80211_get_conn_bss(struct wireless_dev *wdev) { struct cfg80211_registered_device *rdev = wiphy_to_dev(wdev->wiphy); struct cfg80211_bss *bss; @@ -205,7 +205,7 @@ static bool cfg80211_get_conn_bss(struct wireless_dev *wdev) WLAN_CAPABILITY_ESS | WLAN_CAPABILITY_PRIVACY, capa); if (!bss) - return false; + return NULL; memcpy(wdev->conn->bssid, bss->bssid, ETH_ALEN); wdev->conn->params.bssid = wdev->conn->bssid; @@ -213,14 +213,14 @@ static bool cfg80211_get_conn_bss(struct wireless_dev *wdev) wdev->conn->state = CFG80211_CONN_AUTHENTICATE_NEXT; schedule_work(&rdev->conn_work); - cfg80211_put_bss(bss); - return true; + return bss; } static void __cfg80211_sme_scan_done(struct net_device *dev) { struct wireless_dev *wdev = dev->ieee80211_ptr; struct cfg80211_registered_device *rdev = wiphy_to_dev(wdev->wiphy); + struct cfg80211_bss *bss; ASSERT_WDEV_LOCK(wdev); @@ -234,7 +234,10 @@ static void __cfg80211_sme_scan_done(struct net_device *dev) wdev->conn->state != CFG80211_CONN_SCAN_AGAIN) return; - if (!cfg80211_get_conn_bss(wdev)) { + bss = cfg80211_get_conn_bss(wdev); + if (bss) { + cfg80211_put_bss(bss); + } else { /* not found */ if (wdev->conn->state == CFG80211_CONN_SCAN_AGAIN) schedule_work(&rdev->conn_work); @@ -670,6 +673,7 @@ int __cfg80211_connect(struct cfg80211_registered_device *rdev, { struct wireless_dev *wdev = dev->ieee80211_ptr; struct ieee80211_channel *chan; + struct cfg80211_bss *bss = NULL; int err; ASSERT_WDEV_LOCK(wdev); @@ -758,9 +762,8 @@ int __cfg80211_connect(struct cfg80211_registered_device *rdev, wdev->conn->params.ssid = wdev->ssid; wdev->conn->params.ssid_len = connect->ssid_len; - /* don't care about result -- but fill bssid & channel */ - if (!wdev->conn->params.bssid || !wdev->conn->params.channel) - cfg80211_get_conn_bss(wdev); + /* see if we have the bss already */ + bss = cfg80211_get_conn_bss(wdev); wdev->sme_state = CFG80211_SME_CONNECTING; wdev->connect_keys = connkeys; @@ -770,10 +773,11 @@ int __cfg80211_connect(struct cfg80211_registered_device *rdev, wdev->conn->prev_bssid_valid = true; } - /* we're good if we have both BSSID and channel */ - if (wdev->conn->params.bssid && wdev->conn->params.channel) { + /* we're good if we have a matching bss struct */ + if (bss) { wdev->conn->state = CFG80211_CONN_AUTHENTICATE_NEXT; err = cfg80211_conn_do_work(wdev); + cfg80211_put_bss(bss); } else { /* otherwise we'll need to scan for the AP first */ err = cfg80211_conn_scan(wdev); diff --git a/net/wireless/wext-compat.c b/net/wireless/wext-compat.c index 429dd06a4ecc..561a45cf2a6a 100644 --- a/net/wireless/wext-compat.c +++ b/net/wireless/wext-compat.c @@ -834,7 +834,7 @@ int cfg80211_wext_siwtxpower(struct net_device *dev, return 0; } - return rdev->ops->set_tx_power(wdev->wiphy, type, dbm);; + return rdev->ops->set_tx_power(wdev->wiphy, type, dbm); } EXPORT_SYMBOL_GPL(cfg80211_wext_siwtxpower); diff --git a/net/wireless/wext-sme.c b/net/wireless/wext-sme.c index d16cd9ea4d00..5615a8802536 100644 --- a/net/wireless/wext-sme.c +++ b/net/wireless/wext-sme.c @@ -26,11 +26,12 @@ int cfg80211_mgd_wext_connect(struct cfg80211_registered_device *rdev, wdev->wext.connect.ie = wdev->wext.ie; wdev->wext.connect.ie_len = wdev->wext.ie_len; - wdev->wext.connect.privacy = wdev->wext.default_key != -1; if (wdev->wext.keys) { wdev->wext.keys->def = wdev->wext.default_key; wdev->wext.keys->defmgmt = wdev->wext.default_mgmt_key; + if (wdev->wext.default_key != -1) + wdev->wext.connect.privacy = true; } if (!wdev->wext.connect.ssid_len) @@ -229,8 +230,7 @@ int cfg80211_mgd_wext_giwessid(struct net_device *dev, data->flags = 1; data->length = wdev->wext.connect.ssid_len; memcpy(ssid, wdev->wext.connect.ssid, data->length); - } else - data->flags = 0; + } wdev_unlock(wdev); return 0; @@ -306,8 +306,6 @@ int cfg80211_mgd_wext_giwap(struct net_device *dev, wdev_lock(wdev); if (wdev->current_bss) memcpy(ap_addr->sa_data, wdev->current_bss->pub.bssid, ETH_ALEN); - else if (wdev->wext.connect.bssid) - memcpy(ap_addr->sa_data, wdev->wext.connect.bssid, ETH_ALEN); else memset(ap_addr->sa_data, 0, ETH_ALEN); wdev_unlock(wdev); diff --git a/net/wireless/wext.c b/net/wireless/wext.c index 5b4a0cee4418..60fe57761ca9 100644 --- a/net/wireless/wext.c +++ b/net/wireless/wext.c @@ -470,7 +470,7 @@ static iw_handler get_handler(struct net_device *dev, unsigned int cmd) /* * Get statistics out of the driver */ -static struct iw_statistics *get_wireless_stats(struct net_device *dev) +struct iw_statistics *get_wireless_stats(struct net_device *dev) { /* New location */ if ((dev->wireless_handlers != NULL) && @@ -773,10 +773,13 @@ static int ioctl_standard_iw_point(struct iw_point *iwp, unsigned int cmd, essid_compat = 1; else if (IW_IS_SET(cmd) && (iwp->length != 0)) { char essid[IW_ESSID_MAX_SIZE + 1]; + unsigned int len; + len = iwp->length * descr->token_size; - err = copy_from_user(essid, iwp->pointer, - iwp->length * - descr->token_size); + if (len > IW_ESSID_MAX_SIZE) + return -EFAULT; + + err = copy_from_user(essid, iwp->pointer, len); if (err) return -EFAULT; diff --git a/net/x25/af_x25.c b/net/x25/af_x25.c index 5e6c072c64d3..7fa9c7ad3d3b 100644 --- a/net/x25/af_x25.c +++ b/net/x25/af_x25.c @@ -409,7 +409,7 @@ static void x25_destroy_socket(struct sock *sk) */ static int x25_setsockopt(struct socket *sock, int level, int optname, - char __user *optval, int optlen) + char __user *optval, unsigned int optlen) { int opt; struct sock *sk = sock->sk; |