diff options
Diffstat (limited to 'net')
72 files changed, 1133 insertions, 388 deletions
diff --git a/net/8021q/vlan_dev.c b/net/8021q/vlan_dev.c index f247f5bff88d..7ea5cf9ea08a 100644 --- a/net/8021q/vlan_dev.c +++ b/net/8021q/vlan_dev.c @@ -165,7 +165,7 @@ static netdev_tx_t vlan_dev_hard_start_xmit(struct sk_buff *skb, u64_stats_update_begin(&stats->syncp); stats->tx_packets++; stats->tx_bytes += len; - u64_stats_update_begin(&stats->syncp); + u64_stats_update_end(&stats->syncp); } else { this_cpu_inc(vlan_dev_info(dev)->vlan_pcpu_stats->tx_dropped); } diff --git a/net/9p/Kconfig b/net/9p/Kconfig index 7ed75c7bd5d1..d9ea09b11cf8 100644 --- a/net/9p/Kconfig +++ b/net/9p/Kconfig @@ -3,8 +3,8 @@ # menuconfig NET_9P - depends on NET && EXPERIMENTAL - tristate "Plan 9 Resource Sharing Support (9P2000) (Experimental)" + depends on NET + tristate "Plan 9 Resource Sharing Support (9P2000)" help If you say Y here, you will get experimental support for Plan 9 resource sharing via the 9P2000 protocol. @@ -16,8 +16,8 @@ menuconfig NET_9P if NET_9P config NET_9P_VIRTIO - depends on EXPERIMENTAL && VIRTIO - tristate "9P Virtio Transport (Experimental)" + depends on VIRTIO + tristate "9P Virtio Transport" help This builds support for a transports between guest partitions and a host partition. diff --git a/net/9p/client.c b/net/9p/client.c index ceab943dfc49..9e3b0e640da1 100644 --- a/net/9p/client.c +++ b/net/9p/client.c @@ -92,9 +92,6 @@ static int get_protocol_version(const substring_t *name) return version; } -static struct p9_req_t * -p9_client_rpc(struct p9_client *c, int8_t type, const char *fmt, ...); - /** * parse_options - parse mount options into client structure * @opts: options string passed from mount @@ -307,12 +304,13 @@ static int p9_tag_init(struct p9_client *c) c->tagpool = p9_idpool_create(); if (IS_ERR(c->tagpool)) { err = PTR_ERR(c->tagpool); - c->tagpool = NULL; goto error; } - - p9_idpool_get(c->tagpool); /* reserve tag 0 */ - + err = p9_idpool_get(c->tagpool); /* reserve tag 0 */ + if (err < 0) { + p9_idpool_destroy(c->tagpool); + goto error; + } c->max_tag = 0; error: return err; @@ -518,12 +516,15 @@ out_err: return err; } +static struct p9_req_t * +p9_client_rpc(struct p9_client *c, int8_t type, const char *fmt, ...); + /** * p9_client_flush - flush (cancel) a request * @c: client state * @oldreq: request to cancel * - * This sents a flush for a particular requests and links + * This sents a flush for a particular request and links * the flush request to the original request. The current * code only supports a single flush request although the protocol * allows for multiple flush requests to be sent for a single request. @@ -789,11 +790,13 @@ struct p9_client *p9_client_create(const char *dev_name, char *options) spin_lock_init(&clnt->lock); INIT_LIST_HEAD(&clnt->fidlist); - p9_tag_init(clnt); + err = p9_tag_init(clnt); + if (err < 0) + goto free_client; err = parse_opts(options, clnt); if (err < 0) - goto free_client; + goto destroy_tagpool; if (!clnt->trans_mod) clnt->trans_mod = v9fs_get_default_trans(); @@ -802,13 +805,12 @@ struct p9_client *p9_client_create(const char *dev_name, char *options) err = -EPROTONOSUPPORT; P9_DPRINTK(P9_DEBUG_ERROR, "No transport defined or default transport\n"); - goto free_client; + goto destroy_tagpool; } clnt->fidpool = p9_idpool_create(); if (IS_ERR(clnt->fidpool)) { err = PTR_ERR(clnt->fidpool); - clnt->fidpool = NULL; goto put_trans; } @@ -834,6 +836,8 @@ destroy_fidpool: p9_idpool_destroy(clnt->fidpool); put_trans: v9fs_put_trans(clnt->trans_mod); +destroy_tagpool: + p9_idpool_destroy(clnt->tagpool); free_client: kfree(clnt); return ERR_PTR(err); @@ -1298,7 +1302,7 @@ p9_client_read(struct p9_fid *fid, char *data, char __user *udata, u64 offset, if (count < rsize) rsize = count; - /* Don't bother zerocopy form small IO (< 1024) */ + /* Don't bother zerocopy for small IO (< 1024) */ if (((clnt->trans_mod->pref & P9_TRANS_PREF_PAYLOAD_MASK) == P9_TRANS_PREF_PAYLOAD_SEP) && (rsize > 1024)) { req = p9_client_rpc(clnt, P9_TREAD, "dqE", fid->fid, offset, diff --git a/net/9p/mod.c b/net/9p/mod.c index cf8a4128cd5c..72c398275051 100644 --- a/net/9p/mod.c +++ b/net/9p/mod.c @@ -139,7 +139,7 @@ void v9fs_put_trans(struct p9_trans_module *m) } /** - * v9fs_init - Initialize module + * init_p9 - Initialize module * */ static int __init init_p9(void) @@ -154,7 +154,7 @@ static int __init init_p9(void) } /** - * v9fs_init - shutdown module + * exit_p9 - shutdown module * */ diff --git a/net/9p/trans_fd.c b/net/9p/trans_fd.c index 4a9084395d35..fdfdb5747f63 100644 --- a/net/9p/trans_fd.c +++ b/net/9p/trans_fd.c @@ -916,8 +916,8 @@ p9_fd_create_tcp(struct p9_client *client, const char *addr, char *args) sin_server.sin_family = AF_INET; sin_server.sin_addr.s_addr = in_aton(addr); sin_server.sin_port = htons(opts.port); - err = sock_create_kern(PF_INET, SOCK_STREAM, IPPROTO_TCP, &csocket); - + err = __sock_create(read_pnet(¤t->nsproxy->net_ns), PF_INET, + SOCK_STREAM, IPPROTO_TCP, &csocket, 1); if (err) { P9_EPRINTK(KERN_ERR, "p9_trans_tcp: problem creating socket\n"); return err; @@ -954,7 +954,8 @@ p9_fd_create_unix(struct p9_client *client, const char *addr, char *args) sun_server.sun_family = PF_UNIX; strcpy(sun_server.sun_path, addr); - err = sock_create_kern(PF_UNIX, SOCK_STREAM, 0, &csocket); + err = __sock_create(read_pnet(¤t->nsproxy->net_ns), PF_UNIX, + SOCK_STREAM, 0, &csocket, 1); if (err < 0) { P9_EPRINTK(KERN_ERR, "p9_trans_unix: problem creating socket\n"); return err; diff --git a/net/9p/trans_rdma.c b/net/9p/trans_rdma.c index 844a7a5607e3..159c50f1c6bf 100644 --- a/net/9p/trans_rdma.c +++ b/net/9p/trans_rdma.c @@ -589,7 +589,8 @@ rdma_create_trans(struct p9_client *client, const char *addr, char *args) return -ENOMEM; /* Create the RDMA CM ID */ - rdma->cm_id = rdma_create_id(p9_cm_event_handler, client, RDMA_PS_TCP); + rdma->cm_id = rdma_create_id(p9_cm_event_handler, client, RDMA_PS_TCP, + IB_QPT_RC); if (IS_ERR(rdma->cm_id)) goto error; diff --git a/net/9p/util.c b/net/9p/util.c index da6af81e59d9..9c1c9348ac35 100644 --- a/net/9p/util.c +++ b/net/9p/util.c @@ -93,7 +93,7 @@ int p9_idpool_get(struct p9_idpool *p) retry: if (idr_pre_get(&p->pool, GFP_NOFS) == 0) - return 0; + return -1; spin_lock_irqsave(&p->lock, flags); diff --git a/net/atm/lec.c b/net/atm/lec.c index 25073b6ef474..ba48daa68c1f 100644 --- a/net/atm/lec.c +++ b/net/atm/lec.c @@ -1171,7 +1171,7 @@ static int __init lane_module_init(void) #endif register_atm_ioctl(&lane_ioctl_ops); - pr_info("lec.c: " __DATE__ " " __TIME__ " initialized\n"); + pr_info("lec.c: initialized\n"); return 0; } diff --git a/net/atm/mpc.c b/net/atm/mpc.c index 644cdf071642..3ccca42e6f90 100644 --- a/net/atm/mpc.c +++ b/net/atm/mpc.c @@ -1482,7 +1482,7 @@ static __init int atm_mpoa_init(void) if (mpc_proc_init() != 0) pr_info("failed to initialize /proc/mpoa\n"); - pr_info("mpc.c: " __DATE__ " " __TIME__ " initialized\n"); + pr_info("mpc.c: initialized\n"); return 0; } diff --git a/net/bridge/br_netfilter.c b/net/bridge/br_netfilter.c index 3fa123185e89..56149ec36d7f 100644 --- a/net/bridge/br_netfilter.c +++ b/net/bridge/br_netfilter.c @@ -104,10 +104,16 @@ static void fake_update_pmtu(struct dst_entry *dst, u32 mtu) { } +static u32 *fake_cow_metrics(struct dst_entry *dst, unsigned long old) +{ + return NULL; +} + static struct dst_ops fake_dst_ops = { .family = AF_INET, .protocol = cpu_to_be16(ETH_P_IP), .update_pmtu = fake_update_pmtu, + .cow_metrics = fake_cow_metrics, }; /* diff --git a/net/caif/chnl_net.c b/net/caif/chnl_net.c index 649ebacaf6bc..adbb424403d4 100644 --- a/net/caif/chnl_net.c +++ b/net/caif/chnl_net.c @@ -139,17 +139,14 @@ static void close_work(struct work_struct *work) struct chnl_net *dev = NULL; struct list_head *list_node; struct list_head *_tmp; - /* May be called with or without RTNL lock held */ - int islocked = rtnl_is_locked(); - if (!islocked) - rtnl_lock(); + + rtnl_lock(); list_for_each_safe(list_node, _tmp, &chnl_net_list) { dev = list_entry(list_node, struct chnl_net, list_field); if (dev->state == CAIF_SHUTDOWN) dev_close(dev->netdev); } - if (!islocked) - rtnl_unlock(); + rtnl_unlock(); } static DECLARE_WORK(close_worker, close_work); diff --git a/net/ceph/messenger.c b/net/ceph/messenger.c index e15a82ccc05f..78b55f49de7c 100644 --- a/net/ceph/messenger.c +++ b/net/ceph/messenger.c @@ -76,7 +76,8 @@ const char *ceph_pr_addr(const struct sockaddr_storage *ss) break; default: - sprintf(s, "(unknown sockaddr family %d)", (int)ss->ss_family); + snprintf(s, MAX_ADDR_STR_LEN, "(unknown sockaddr family %d)", + (int)ss->ss_family); } return s; @@ -598,7 +599,7 @@ static void prepare_write_keepalive(struct ceph_connection *con) * Connection negotiation. */ -static void prepare_connect_authorizer(struct ceph_connection *con) +static int prepare_connect_authorizer(struct ceph_connection *con) { void *auth_buf; int auth_len = 0; @@ -612,13 +613,20 @@ static void prepare_connect_authorizer(struct ceph_connection *con) con->auth_retry); mutex_lock(&con->mutex); + if (test_bit(CLOSED, &con->state) || + test_bit(OPENING, &con->state)) + return -EAGAIN; + con->out_connect.authorizer_protocol = cpu_to_le32(auth_protocol); con->out_connect.authorizer_len = cpu_to_le32(auth_len); - con->out_kvec[con->out_kvec_left].iov_base = auth_buf; - con->out_kvec[con->out_kvec_left].iov_len = auth_len; - con->out_kvec_left++; - con->out_kvec_bytes += auth_len; + if (auth_len) { + con->out_kvec[con->out_kvec_left].iov_base = auth_buf; + con->out_kvec[con->out_kvec_left].iov_len = auth_len; + con->out_kvec_left++; + con->out_kvec_bytes += auth_len; + } + return 0; } /* @@ -640,9 +648,9 @@ static void prepare_write_banner(struct ceph_messenger *msgr, set_bit(WRITE_PENDING, &con->state); } -static void prepare_write_connect(struct ceph_messenger *msgr, - struct ceph_connection *con, - int after_banner) +static int prepare_write_connect(struct ceph_messenger *msgr, + struct ceph_connection *con, + int after_banner) { unsigned global_seq = get_global_seq(con->msgr, 0); int proto; @@ -683,7 +691,7 @@ static void prepare_write_connect(struct ceph_messenger *msgr, con->out_more = 0; set_bit(WRITE_PENDING, &con->state); - prepare_connect_authorizer(con); + return prepare_connect_authorizer(con); } @@ -1065,8 +1073,10 @@ static void addr_set_port(struct sockaddr_storage *ss, int p) switch (ss->ss_family) { case AF_INET: ((struct sockaddr_in *)ss)->sin_port = htons(p); + break; case AF_INET6: ((struct sockaddr_in6 *)ss)->sin6_port = htons(p); + break; } } @@ -1216,6 +1226,7 @@ static int process_connect(struct ceph_connection *con) u64 sup_feat = con->msgr->supported_features; u64 req_feat = con->msgr->required_features; u64 server_feat = le64_to_cpu(con->in_reply.features); + int ret; dout("process_connect on %p tag %d\n", con, (int)con->in_tag); @@ -1250,7 +1261,9 @@ static int process_connect(struct ceph_connection *con) return -1; } con->auth_retry = 1; - prepare_write_connect(con->msgr, con, 0); + ret = prepare_write_connect(con->msgr, con, 0); + if (ret < 0) + return ret; prepare_read_connect(con); break; @@ -1277,6 +1290,9 @@ static int process_connect(struct ceph_connection *con) if (con->ops->peer_reset) con->ops->peer_reset(con); mutex_lock(&con->mutex); + if (test_bit(CLOSED, &con->state) || + test_bit(OPENING, &con->state)) + return -EAGAIN; break; case CEPH_MSGR_TAG_RETRY_SESSION: @@ -1341,7 +1357,9 @@ static int process_connect(struct ceph_connection *con) * to WAIT. This shouldn't happen if we are the * client. */ - pr_err("process_connect peer connecting WAIT\n"); + pr_err("process_connect got WAIT as client\n"); + con->error_msg = "protocol error, got WAIT as client"; + return -1; default: pr_err("connect protocol error, will retry\n"); @@ -1810,6 +1828,17 @@ static int try_read(struct ceph_connection *con) more: dout("try_read tag %d in_base_pos %d\n", (int)con->in_tag, con->in_base_pos); + + /* + * process_connect and process_message drop and re-take + * con->mutex. make sure we handle a racing close or reopen. + */ + if (test_bit(CLOSED, &con->state) || + test_bit(OPENING, &con->state)) { + ret = -EAGAIN; + goto out; + } + if (test_bit(CONNECTING, &con->state)) { if (!test_bit(NEGOTIATING, &con->state)) { dout("try_read connecting\n"); @@ -1938,8 +1967,10 @@ static void con_work(struct work_struct *work) { struct ceph_connection *con = container_of(work, struct ceph_connection, work.work); + int ret; mutex_lock(&con->mutex); +restart: if (test_and_clear_bit(BACKOFF, &con->state)) { dout("con_work %p backing off\n", con); if (queue_delayed_work(ceph_msgr_wq, &con->work, @@ -1969,18 +2000,31 @@ static void con_work(struct work_struct *work) con_close_socket(con); } - if (test_and_clear_bit(SOCK_CLOSED, &con->state) || - try_read(con) < 0 || - try_write(con) < 0) { - mutex_unlock(&con->mutex); - ceph_fault(con); /* error/fault path */ - goto done_unlocked; - } + if (test_and_clear_bit(SOCK_CLOSED, &con->state)) + goto fault; + + ret = try_read(con); + if (ret == -EAGAIN) + goto restart; + if (ret < 0) + goto fault; + + ret = try_write(con); + if (ret == -EAGAIN) + goto restart; + if (ret < 0) + goto fault; done: mutex_unlock(&con->mutex); done_unlocked: con->ops->put(con); + return; + +fault: + mutex_unlock(&con->mutex); + ceph_fault(con); /* error/fault path */ + goto done_unlocked; } diff --git a/net/ceph/osd_client.c b/net/ceph/osd_client.c index 6b5dda1cb5df..6ea2b892f44b 100644 --- a/net/ceph/osd_client.c +++ b/net/ceph/osd_client.c @@ -124,7 +124,7 @@ static void calc_layout(struct ceph_osd_client *osdc, ceph_calc_raw_layout(osdc, layout, vino.snap, off, plen, &bno, req, op); - sprintf(req->r_oid, "%llx.%08llx", vino.ino, bno); + snprintf(req->r_oid, sizeof(req->r_oid), "%llx.%08llx", vino.ino, bno); req->r_oid_len = strlen(req->r_oid); } @@ -1421,6 +1421,15 @@ void ceph_osdc_handle_map(struct ceph_osd_client *osdc, struct ceph_msg *msg) done: downgrade_write(&osdc->map_sem); ceph_monc_got_osdmap(&osdc->client->monc, osdc->osdmap->epoch); + + /* + * subscribe to subsequent osdmap updates if full to ensure + * we find out when we are no longer full and stop returning + * ENOSPC. + */ + if (ceph_osdmap_flag(osdc->osdmap, CEPH_OSDMAP_FULL)) + ceph_monc_request_next_osdmap(&osdc->client->monc); + send_queued(osdc); up_read(&osdc->map_sem); wake_up_all(&osdc->client->auth_wq); @@ -1677,8 +1686,14 @@ int ceph_osdc_start_request(struct ceph_osd_client *osdc, */ if (req->r_sent == 0) { rc = __map_request(osdc, req); - if (rc < 0) + if (rc < 0) { + if (nofail) { + dout("osdc_start_request failed map, " + " will retry %lld\n", req->r_tid); + rc = 0; + } goto out_unlock; + } if (req->r_osd == NULL) { dout("send_request %p no up osds in pg\n", req); ceph_monc_request_next_osdmap(&osdc->client->monc); diff --git a/net/ceph/osdmap.c b/net/ceph/osdmap.c index 71603ac3dff5..e97c3588c3ec 100644 --- a/net/ceph/osdmap.c +++ b/net/ceph/osdmap.c @@ -765,7 +765,7 @@ struct ceph_osdmap *osdmap_apply_incremental(void **p, void *end, } map->epoch++; - map->modified = map->modified; + map->modified = modified; if (newcrush) { if (map->crush) crush_destroy(map->crush); @@ -830,15 +830,20 @@ struct ceph_osdmap *osdmap_apply_incremental(void **p, void *end, map->osd_addr[osd] = addr; } - /* new_down */ + /* new_state */ ceph_decode_32_safe(p, end, len, bad); while (len--) { u32 osd; + u8 xorstate; ceph_decode_32_safe(p, end, osd, bad); + xorstate = **(u8 **)p; (*p)++; /* clean flag */ - pr_info("osd%d down\n", osd); + if (xorstate == 0) + xorstate = CEPH_OSD_UP; + if (xorstate & CEPH_OSD_UP) + pr_info("osd%d down\n", osd); if (osd < map->max_osd) - map->osd_state[osd] &= ~CEPH_OSD_UP; + map->osd_state[osd] ^= xorstate; } /* new_weight */ diff --git a/net/core/dev.c b/net/core/dev.c index c7e305d13b71..a54c9f87ddbb 100644 --- a/net/core/dev.c +++ b/net/core/dev.c @@ -2096,6 +2096,7 @@ int dev_hard_start_xmit(struct sk_buff *skb, struct net_device *dev, { const struct net_device_ops *ops = dev->netdev_ops; int rc = NETDEV_TX_OK; + unsigned int skb_len; if (likely(!skb->next)) { u32 features; @@ -2146,8 +2147,9 @@ int dev_hard_start_xmit(struct sk_buff *skb, struct net_device *dev, } } + skb_len = skb->len; rc = ops->ndo_start_xmit(skb, dev); - trace_net_dev_xmit(skb, rc); + trace_net_dev_xmit(skb, rc, dev, skb_len); if (rc == NETDEV_TX_OK) txq_trans_update(txq); return rc; @@ -2167,8 +2169,9 @@ gso: if (dev->priv_flags & IFF_XMIT_DST_RELEASE) skb_dst_drop(nskb); + skb_len = nskb->len; rc = ops->ndo_start_xmit(nskb, dev); - trace_net_dev_xmit(nskb, rc); + trace_net_dev_xmit(nskb, rc, dev, skb_len); if (unlikely(rc != NETDEV_TX_OK)) { if (rc & ~NETDEV_TX_MASK) goto out_kfree_gso_skb; @@ -6175,6 +6178,11 @@ static int dev_cpu_callback(struct notifier_block *nfb, oldsd->output_queue = NULL; oldsd->output_queue_tailp = &oldsd->output_queue; } + /* Append NAPI poll list from offline CPU. */ + if (!list_empty(&oldsd->poll_list)) { + list_splice_init(&oldsd->poll_list, &sd->poll_list); + raise_softirq_irqoff(NET_RX_SOFTIRQ); + } raise_softirq_irqoff(NET_TX_SOFTIRQ); local_irq_enable(); @@ -6261,29 +6269,23 @@ err_name: /** * netdev_drivername - network driver for the device * @dev: network device - * @buffer: buffer for resulting name - * @len: size of buffer * * Determine network driver for device. */ -char *netdev_drivername(const struct net_device *dev, char *buffer, int len) +const char *netdev_drivername(const struct net_device *dev) { const struct device_driver *driver; const struct device *parent; - - if (len <= 0 || !buffer) - return buffer; - buffer[0] = 0; + const char *empty = ""; parent = dev->dev.parent; - if (!parent) - return buffer; + return empty; driver = parent->driver; if (driver && driver->name) - strlcpy(buffer, driver->name, len); - return buffer; + return driver->name; + return empty; } static int __netdev_printk(const char *level, const struct net_device *dev, diff --git a/net/core/net_namespace.c b/net/core/net_namespace.c index 2e2dce6583e1..e41e5110c65c 100644 --- a/net/core/net_namespace.c +++ b/net/core/net_namespace.c @@ -8,6 +8,8 @@ #include <linux/idr.h> #include <linux/rculist.h> #include <linux/nsproxy.h> +#include <linux/proc_fs.h> +#include <linux/file.h> #include <net/net_namespace.h> #include <net/netns/generic.h> @@ -302,6 +304,26 @@ void __put_net(struct net *net) } EXPORT_SYMBOL_GPL(__put_net); +struct net *get_net_ns_by_fd(int fd) +{ + struct proc_inode *ei; + struct file *file; + struct net *net; + + file = proc_ns_fget(fd); + if (IS_ERR(file)) + return ERR_CAST(file); + + ei = PROC_I(file->f_dentry->d_inode); + if (ei->ns_ops == &netns_operations) + net = get_net(ei->ns); + else + net = ERR_PTR(-EINVAL); + + fput(file); + return net; +} + #else struct net *copy_net_ns(unsigned long flags, struct net *old_net) { @@ -309,6 +331,11 @@ struct net *copy_net_ns(unsigned long flags, struct net *old_net) return ERR_PTR(-EINVAL); return old_net; } + +struct net *get_net_ns_by_fd(int fd) +{ + return ERR_PTR(-EINVAL); +} #endif struct net *get_net_ns_by_pid(pid_t pid) @@ -561,3 +588,39 @@ void unregister_pernet_device(struct pernet_operations *ops) mutex_unlock(&net_mutex); } EXPORT_SYMBOL_GPL(unregister_pernet_device); + +#ifdef CONFIG_NET_NS +static void *netns_get(struct task_struct *task) +{ + struct net *net = NULL; + struct nsproxy *nsproxy; + + rcu_read_lock(); + nsproxy = task_nsproxy(task); + if (nsproxy) + net = get_net(nsproxy->net_ns); + rcu_read_unlock(); + + return net; +} + +static void netns_put(void *ns) +{ + put_net(ns); +} + +static int netns_install(struct nsproxy *nsproxy, void *ns) +{ + put_net(nsproxy->net_ns); + nsproxy->net_ns = get_net(ns); + return 0; +} + +const struct proc_ns_operations netns_operations = { + .name = "net", + .type = CLONE_NEWNET, + .get = netns_get, + .put = netns_put, + .install = netns_install, +}; +#endif diff --git a/net/core/netpoll.c b/net/core/netpoll.c index 2d7d6d473781..42ea4b0e59f1 100644 --- a/net/core/netpoll.c +++ b/net/core/netpoll.c @@ -792,6 +792,12 @@ int netpoll_setup(struct netpoll *np) return -ENODEV; } + if (ndev->master) { + printk(KERN_ERR "%s: %s is a slave device, aborting.\n", + np->name, np->dev_name); + return -EBUSY; + } + if (!netif_running(ndev)) { unsigned long atmost, atleast; diff --git a/net/core/rtnetlink.c b/net/core/rtnetlink.c index 2d56cb9b0b94..abd936d8a716 100644 --- a/net/core/rtnetlink.c +++ b/net/core/rtnetlink.c @@ -1046,6 +1046,7 @@ const struct nla_policy ifla_policy[IFLA_MAX+1] = { [IFLA_LINKMODE] = { .type = NLA_U8 }, [IFLA_LINKINFO] = { .type = NLA_NESTED }, [IFLA_NET_NS_PID] = { .type = NLA_U32 }, + [IFLA_NET_NS_FD] = { .type = NLA_U32 }, [IFLA_IFALIAS] = { .type = NLA_STRING, .len = IFALIASZ-1 }, [IFLA_VFINFO_LIST] = {. type = NLA_NESTED }, [IFLA_VF_PORTS] = { .type = NLA_NESTED }, @@ -1094,6 +1095,8 @@ struct net *rtnl_link_get_net(struct net *src_net, struct nlattr *tb[]) */ if (tb[IFLA_NET_NS_PID]) net = get_net_ns_by_pid(nla_get_u32(tb[IFLA_NET_NS_PID])); + else if (tb[IFLA_NET_NS_FD]) + net = get_net_ns_by_fd(nla_get_u32(tb[IFLA_NET_NS_FD])); else net = get_net(src_net); return net; @@ -1224,7 +1227,7 @@ static int do_setlink(struct net_device *dev, struct ifinfomsg *ifm, int send_addr_notify = 0; int err; - if (tb[IFLA_NET_NS_PID]) { + if (tb[IFLA_NET_NS_PID] || tb[IFLA_NET_NS_FD]) { struct net *net = rtnl_link_get_net(dev_net(dev), tb); if (IS_ERR(net)) { err = PTR_ERR(net); diff --git a/net/dns_resolver/dns_key.c b/net/dns_resolver/dns_key.c index cfa7a5e1c5c9..fa000d26dc60 100644 --- a/net/dns_resolver/dns_key.c +++ b/net/dns_resolver/dns_key.c @@ -212,10 +212,12 @@ static void dns_resolver_describe(const struct key *key, struct seq_file *m) int err = key->type_data.x[0]; seq_puts(m, key->description); - if (err) - seq_printf(m, ": %d", err); - else - seq_printf(m, ": %u", key->datalen); + if (key_is_instantiated(key)) { + if (err) + seq_printf(m, ": %d", err); + else + seq_printf(m, ": %u", key->datalen); + } } /* diff --git a/net/ipv4/af_inet.c b/net/ipv4/af_inet.c index cc1463156cd0..9c1926027a26 100644 --- a/net/ipv4/af_inet.c +++ b/net/ipv4/af_inet.c @@ -465,6 +465,9 @@ int inet_bind(struct socket *sock, struct sockaddr *uaddr, int addr_len) if (addr_len < sizeof(struct sockaddr_in)) goto out; + if (addr->sin_family != AF_INET) + goto out; + chk_addr_ret = inet_addr_type(sock_net(sk), addr->sin_addr.s_addr); /* Not specified by any standard per-se, however it breaks too diff --git a/net/ipv4/inet_connection_sock.c b/net/ipv4/inet_connection_sock.c index 61fac4cabc78..c14d88ad348d 100644 --- a/net/ipv4/inet_connection_sock.c +++ b/net/ipv4/inet_connection_sock.c @@ -33,7 +33,7 @@ EXPORT_SYMBOL(inet_csk_timer_bug_msg); * This struct holds the first and last local port number. */ struct local_ports sysctl_local_ports __read_mostly = { - .lock = SEQLOCK_UNLOCKED, + .lock = __SEQLOCK_UNLOCKED(sysctl_local_ports.lock), .range = { 32768, 61000 }, }; diff --git a/net/ipv4/ip_options.c b/net/ipv4/ip_options.c index c3118e1cd3bb..ec93335901dd 100644 --- a/net/ipv4/ip_options.c +++ b/net/ipv4/ip_options.c @@ -14,6 +14,7 @@ #include <linux/slab.h> #include <linux/types.h> #include <asm/uaccess.h> +#include <asm/unaligned.h> #include <linux/skbuff.h> #include <linux/ip.h> #include <linux/icmp.h> @@ -350,7 +351,7 @@ int ip_options_compile(struct net *net, goto error; } if (optptr[2] <= optlen) { - __be32 *timeptr = NULL; + unsigned char *timeptr = NULL; if (optptr[2]+3 > optptr[1]) { pp_ptr = optptr + 2; goto error; @@ -359,7 +360,7 @@ int ip_options_compile(struct net *net, case IPOPT_TS_TSONLY: opt->ts = optptr - iph; if (skb) - timeptr = (__be32*)&optptr[optptr[2]-1]; + timeptr = &optptr[optptr[2]-1]; opt->ts_needtime = 1; optptr[2] += 4; break; @@ -371,7 +372,7 @@ int ip_options_compile(struct net *net, opt->ts = optptr - iph; if (rt) { memcpy(&optptr[optptr[2]-1], &rt->rt_spec_dst, 4); - timeptr = (__be32*)&optptr[optptr[2]+3]; + timeptr = &optptr[optptr[2]+3]; } opt->ts_needaddr = 1; opt->ts_needtime = 1; @@ -389,7 +390,7 @@ int ip_options_compile(struct net *net, if (inet_addr_type(net, addr) == RTN_UNICAST) break; if (skb) - timeptr = (__be32*)&optptr[optptr[2]+3]; + timeptr = &optptr[optptr[2]+3]; } opt->ts_needtime = 1; optptr[2] += 8; @@ -403,10 +404,10 @@ int ip_options_compile(struct net *net, } if (timeptr) { struct timespec tv; - __be32 midtime; + u32 midtime; getnstimeofday(&tv); - midtime = htonl((tv.tv_sec % 86400) * MSEC_PER_SEC + tv.tv_nsec / NSEC_PER_MSEC); - memcpy(timeptr, &midtime, sizeof(__be32)); + midtime = (tv.tv_sec % 86400) * MSEC_PER_SEC + tv.tv_nsec / NSEC_PER_MSEC; + put_unaligned_be32(midtime, timeptr); opt->is_changed = 1; } } else { diff --git a/net/ipv4/netfilter/ip_queue.c b/net/ipv4/netfilter/ip_queue.c index d2c1311cb28d..f7f9bd7ba12d 100644 --- a/net/ipv4/netfilter/ip_queue.c +++ b/net/ipv4/netfilter/ip_queue.c @@ -402,7 +402,8 @@ ipq_dev_drop(int ifindex) static inline void __ipq_rcv_skb(struct sk_buff *skb) { - int status, type, pid, flags, nlmsglen, skblen; + int status, type, pid, flags; + unsigned int nlmsglen, skblen; struct nlmsghdr *nlh; skblen = skb->len; diff --git a/net/ipv4/netfilter/ipt_CLUSTERIP.c b/net/ipv4/netfilter/ipt_CLUSTERIP.c index d609ac3cb9a4..5c9e97c79017 100644 --- a/net/ipv4/netfilter/ipt_CLUSTERIP.c +++ b/net/ipv4/netfilter/ipt_CLUSTERIP.c @@ -307,7 +307,7 @@ clusterip_tg(struct sk_buff *skb, const struct xt_action_param *par) * error messages (RELATED) and information requests (see below) */ if (ip_hdr(skb)->protocol == IPPROTO_ICMP && (ctinfo == IP_CT_RELATED || - ctinfo == IP_CT_RELATED + IP_CT_IS_REPLY)) + ctinfo == IP_CT_RELATED_REPLY)) return XT_CONTINUE; /* ip_conntrack_icmp guarantees us that we only have ICMP_ECHO, @@ -321,12 +321,12 @@ clusterip_tg(struct sk_buff *skb, const struct xt_action_param *par) ct->mark = hash; break; case IP_CT_RELATED: - case IP_CT_RELATED+IP_CT_IS_REPLY: + case IP_CT_RELATED_REPLY: /* FIXME: we don't handle expectations at the * moment. they can arrive on a different node than * the master connection (e.g. FTP passive mode) */ case IP_CT_ESTABLISHED: - case IP_CT_ESTABLISHED+IP_CT_IS_REPLY: + case IP_CT_ESTABLISHED_REPLY: break; default: break; diff --git a/net/ipv4/netfilter/ipt_MASQUERADE.c b/net/ipv4/netfilter/ipt_MASQUERADE.c index d2ed9dc74ebc..9931152a78b5 100644 --- a/net/ipv4/netfilter/ipt_MASQUERADE.c +++ b/net/ipv4/netfilter/ipt_MASQUERADE.c @@ -60,7 +60,7 @@ masquerade_tg(struct sk_buff *skb, const struct xt_action_param *par) nat = nfct_nat(ct); NF_CT_ASSERT(ct && (ctinfo == IP_CT_NEW || ctinfo == IP_CT_RELATED || - ctinfo == IP_CT_RELATED + IP_CT_IS_REPLY)); + ctinfo == IP_CT_RELATED_REPLY)); /* Source address is 0.0.0.0 - locally generated packet that is * probably not supposed to be masqueraded. diff --git a/net/ipv4/netfilter/nf_conntrack_l3proto_ipv4.c b/net/ipv4/netfilter/nf_conntrack_l3proto_ipv4.c index 5a03c02af999..db10075dd88e 100644 --- a/net/ipv4/netfilter/nf_conntrack_l3proto_ipv4.c +++ b/net/ipv4/netfilter/nf_conntrack_l3proto_ipv4.c @@ -101,7 +101,7 @@ static unsigned int ipv4_confirm(unsigned int hooknum, /* This is where we call the helper: as the packet goes out. */ ct = nf_ct_get(skb, &ctinfo); - if (!ct || ctinfo == IP_CT_RELATED + IP_CT_IS_REPLY) + if (!ct || ctinfo == IP_CT_RELATED_REPLY) goto out; help = nfct_help(ct); diff --git a/net/ipv4/netfilter/nf_conntrack_proto_icmp.c b/net/ipv4/netfilter/nf_conntrack_proto_icmp.c index 7404bde95994..ab5b27a2916f 100644 --- a/net/ipv4/netfilter/nf_conntrack_proto_icmp.c +++ b/net/ipv4/netfilter/nf_conntrack_proto_icmp.c @@ -160,7 +160,7 @@ icmp_error_message(struct net *net, struct nf_conn *tmpl, struct sk_buff *skb, /* Update skb to refer to this connection */ skb->nfct = &nf_ct_tuplehash_to_ctrack(h)->ct_general; skb->nfctinfo = *ctinfo; - return -NF_ACCEPT; + return NF_ACCEPT; } /* Small and modified version of icmp_rcv */ diff --git a/net/ipv4/netfilter/nf_nat_core.c b/net/ipv4/netfilter/nf_nat_core.c index 9c71b2755ce3..3346de5d94d0 100644 --- a/net/ipv4/netfilter/nf_nat_core.c +++ b/net/ipv4/netfilter/nf_nat_core.c @@ -433,7 +433,7 @@ int nf_nat_icmp_reply_translation(struct nf_conn *ct, /* Must be RELATED */ NF_CT_ASSERT(skb->nfctinfo == IP_CT_RELATED || - skb->nfctinfo == IP_CT_RELATED+IP_CT_IS_REPLY); + skb->nfctinfo == IP_CT_RELATED_REPLY); /* Redirects on non-null nats must be dropped, else they'll start talking to each other without our translation, and be diff --git a/net/ipv4/netfilter/nf_nat_helper.c b/net/ipv4/netfilter/nf_nat_helper.c index 99cfa28b6d38..ebc5f8894f99 100644 --- a/net/ipv4/netfilter/nf_nat_helper.c +++ b/net/ipv4/netfilter/nf_nat_helper.c @@ -160,7 +160,7 @@ static void nf_nat_csum(struct sk_buff *skb, const struct iphdr *iph, void *data if (skb->ip_summed != CHECKSUM_PARTIAL) { if (!(rt->rt_flags & RTCF_LOCAL) && - skb->dev->features & NETIF_F_V4_CSUM) { + (!skb->dev || skb->dev->features & NETIF_F_V4_CSUM)) { skb->ip_summed = CHECKSUM_PARTIAL; skb->csum_start = skb_headroom(skb) + skb_network_offset(skb) + diff --git a/net/ipv4/netfilter/nf_nat_rule.c b/net/ipv4/netfilter/nf_nat_rule.c index 21c30426480b..733c9abc1cbd 100644 --- a/net/ipv4/netfilter/nf_nat_rule.c +++ b/net/ipv4/netfilter/nf_nat_rule.c @@ -53,7 +53,7 @@ ipt_snat_target(struct sk_buff *skb, const struct xt_action_param *par) /* Connection must be valid and new. */ NF_CT_ASSERT(ct && (ctinfo == IP_CT_NEW || ctinfo == IP_CT_RELATED || - ctinfo == IP_CT_RELATED + IP_CT_IS_REPLY)); + ctinfo == IP_CT_RELATED_REPLY)); NF_CT_ASSERT(par->out != NULL); return nf_nat_setup_info(ct, &mr->range[0], IP_NAT_MANIP_SRC); diff --git a/net/ipv4/netfilter/nf_nat_standalone.c b/net/ipv4/netfilter/nf_nat_standalone.c index 7317bdf1d457..483b76d042da 100644 --- a/net/ipv4/netfilter/nf_nat_standalone.c +++ b/net/ipv4/netfilter/nf_nat_standalone.c @@ -116,7 +116,7 @@ nf_nat_fn(unsigned int hooknum, switch (ctinfo) { case IP_CT_RELATED: - case IP_CT_RELATED+IP_CT_IS_REPLY: + case IP_CT_RELATED_REPLY: if (ip_hdr(skb)->protocol == IPPROTO_ICMP) { if (!nf_nat_icmp_reply_translation(ct, ctinfo, hooknum, skb)) @@ -144,7 +144,7 @@ nf_nat_fn(unsigned int hooknum, default: /* ESTABLISHED */ NF_CT_ASSERT(ctinfo == IP_CT_ESTABLISHED || - ctinfo == (IP_CT_ESTABLISHED+IP_CT_IS_REPLY)); + ctinfo == IP_CT_ESTABLISHED_REPLY); } return nf_nat_packet(ct, ctinfo, hooknum, skb); diff --git a/net/ipv4/route.c b/net/ipv4/route.c index 52b0b956508b..045f0ec6a4a0 100644 --- a/net/ipv4/route.c +++ b/net/ipv4/route.c @@ -1316,6 +1316,23 @@ reject_redirect: ; } +static bool peer_pmtu_expired(struct inet_peer *peer) +{ + unsigned long orig = ACCESS_ONCE(peer->pmtu_expires); + + return orig && + time_after_eq(jiffies, orig) && + cmpxchg(&peer->pmtu_expires, orig, 0) == orig; +} + +static bool peer_pmtu_cleaned(struct inet_peer *peer) +{ + unsigned long orig = ACCESS_ONCE(peer->pmtu_expires); + + return orig && + cmpxchg(&peer->pmtu_expires, orig, 0) == orig; +} + static struct dst_entry *ipv4_negative_advice(struct dst_entry *dst) { struct rtable *rt = (struct rtable *)dst; @@ -1331,14 +1348,8 @@ static struct dst_entry *ipv4_negative_advice(struct dst_entry *dst) rt_genid(dev_net(dst->dev))); rt_del(hash, rt); ret = NULL; - } else if (rt->peer && - rt->peer->pmtu_expires && - time_after_eq(jiffies, rt->peer->pmtu_expires)) { - unsigned long orig = rt->peer->pmtu_expires; - - if (cmpxchg(&rt->peer->pmtu_expires, orig, 0) == orig) - dst_metric_set(dst, RTAX_MTU, - rt->peer->pmtu_orig); + } else if (rt->peer && peer_pmtu_expired(rt->peer)) { + dst_metric_set(dst, RTAX_MTU, rt->peer->pmtu_orig); } } return ret; @@ -1531,8 +1542,10 @@ unsigned short ip_rt_frag_needed(struct net *net, const struct iphdr *iph, static void check_peer_pmtu(struct dst_entry *dst, struct inet_peer *peer) { - unsigned long expires = peer->pmtu_expires; + unsigned long expires = ACCESS_ONCE(peer->pmtu_expires); + if (!expires) + return; if (time_before(jiffies, expires)) { u32 orig_dst_mtu = dst_mtu(dst); if (peer->pmtu_learned < orig_dst_mtu) { @@ -1555,10 +1568,11 @@ static void ip_rt_update_pmtu(struct dst_entry *dst, u32 mtu) rt_bind_peer(rt, rt->rt_dst, 1); peer = rt->peer; if (peer) { + unsigned long pmtu_expires = ACCESS_ONCE(peer->pmtu_expires); + if (mtu < ip_rt_min_pmtu) mtu = ip_rt_min_pmtu; - if (!peer->pmtu_expires || mtu < peer->pmtu_learned) { - unsigned long pmtu_expires; + if (!pmtu_expires || mtu < peer->pmtu_learned) { pmtu_expires = jiffies + ip_rt_mtu_expires; if (!pmtu_expires) @@ -1612,13 +1626,14 @@ static struct dst_entry *ipv4_dst_check(struct dst_entry *dst, u32 cookie) rt_bind_peer(rt, rt->rt_dst, 0); peer = rt->peer; - if (peer && peer->pmtu_expires) + if (peer) { check_peer_pmtu(dst, peer); - if (peer && peer->redirect_learned.a4 && - peer->redirect_learned.a4 != rt->rt_gateway) { - if (check_peer_redir(dst, peer)) - return NULL; + if (peer->redirect_learned.a4 && + peer->redirect_learned.a4 != rt->rt_gateway) { + if (check_peer_redir(dst, peer)) + return NULL; + } } rt->rt_peer_genid = rt_peer_genid(); @@ -1649,14 +1664,8 @@ static void ipv4_link_failure(struct sk_buff *skb) icmp_send(skb, ICMP_DEST_UNREACH, ICMP_HOST_UNREACH, 0); rt = skb_rtable(skb); - if (rt && - rt->peer && - rt->peer->pmtu_expires) { - unsigned long orig = rt->peer->pmtu_expires; - - if (cmpxchg(&rt->peer->pmtu_expires, orig, 0) == orig) - dst_metric_set(&rt->dst, RTAX_MTU, rt->peer->pmtu_orig); - } + if (rt && rt->peer && peer_pmtu_cleaned(rt->peer)) + dst_metric_set(&rt->dst, RTAX_MTU, rt->peer->pmtu_orig); } static int ip_rt_bug(struct sk_buff *skb) @@ -1770,8 +1779,7 @@ static void rt_init_metrics(struct rtable *rt, const struct flowi4 *fl4, sizeof(u32) * RTAX_MAX); dst_init_metrics(&rt->dst, peer->metrics, false); - if (peer->pmtu_expires) - check_peer_pmtu(&rt->dst, peer); + check_peer_pmtu(&rt->dst, peer); if (peer->redirect_learned.a4 && peer->redirect_learned.a4 != rt->rt_gateway) { rt->rt_gateway = peer->redirect_learned.a4; @@ -2775,7 +2783,8 @@ static int rt_fill_info(struct net *net, struct rtable *rt = skb_rtable(skb); struct rtmsg *r; struct nlmsghdr *nlh; - long expires; + long expires = 0; + const struct inet_peer *peer = rt->peer; u32 id = 0, ts = 0, tsage = 0, error; nlh = nlmsg_put(skb, pid, seq, event, sizeof(*r), flags); @@ -2823,15 +2832,16 @@ static int rt_fill_info(struct net *net, NLA_PUT_BE32(skb, RTA_MARK, rt->rt_mark); error = rt->dst.error; - expires = (rt->peer && rt->peer->pmtu_expires) ? - rt->peer->pmtu_expires - jiffies : 0; - if (rt->peer) { + if (peer) { inet_peer_refcheck(rt->peer); - id = atomic_read(&rt->peer->ip_id_count) & 0xffff; - if (rt->peer->tcp_ts_stamp) { - ts = rt->peer->tcp_ts; - tsage = get_seconds() - rt->peer->tcp_ts_stamp; + id = atomic_read(&peer->ip_id_count) & 0xffff; + if (peer->tcp_ts_stamp) { + ts = peer->tcp_ts; + tsage = get_seconds() - peer->tcp_ts_stamp; } + expires = ACCESS_ONCE(peer->pmtu_expires); + if (expires) + expires -= jiffies; } if (rt_is_input_route(rt)) { diff --git a/net/ipv6/af_inet6.c b/net/ipv6/af_inet6.c index b7919f901fbf..d450a2f9fc06 100644 --- a/net/ipv6/af_inet6.c +++ b/net/ipv6/af_inet6.c @@ -272,6 +272,10 @@ int inet6_bind(struct socket *sock, struct sockaddr *uaddr, int addr_len) if (addr_len < SIN6_LEN_RFC2133) return -EINVAL; + + if (addr->sin6_family != AF_INET6) + return -EINVAL; + addr_type = ipv6_addr_type(&addr->sin6_addr); if ((addr_type & IPV6_ADDR_MULTICAST) && sock->type == SOCK_STREAM) return -EINVAL; diff --git a/net/ipv6/netfilter/ip6_queue.c b/net/ipv6/netfilter/ip6_queue.c index 413ab0754e1f..065fe405fb58 100644 --- a/net/ipv6/netfilter/ip6_queue.c +++ b/net/ipv6/netfilter/ip6_queue.c @@ -403,7 +403,8 @@ ipq_dev_drop(int ifindex) static inline void __ipq_rcv_skb(struct sk_buff *skb) { - int status, type, pid, flags, nlmsglen, skblen; + int status, type, pid, flags; + unsigned int nlmsglen, skblen; struct nlmsghdr *nlh; skblen = skb->len; diff --git a/net/ipv6/netfilter/nf_conntrack_l3proto_ipv6.c b/net/ipv6/netfilter/nf_conntrack_l3proto_ipv6.c index c8af58b22562..4111050a9fc5 100644 --- a/net/ipv6/netfilter/nf_conntrack_l3proto_ipv6.c +++ b/net/ipv6/netfilter/nf_conntrack_l3proto_ipv6.c @@ -160,7 +160,7 @@ static unsigned int ipv6_confirm(unsigned int hooknum, /* This is where we call the helper: as the packet goes out. */ ct = nf_ct_get(skb, &ctinfo); - if (!ct || ctinfo == IP_CT_RELATED + IP_CT_IS_REPLY) + if (!ct || ctinfo == IP_CT_RELATED_REPLY) goto out; help = nfct_help(ct); diff --git a/net/ipv6/netfilter/nf_conntrack_proto_icmpv6.c b/net/ipv6/netfilter/nf_conntrack_proto_icmpv6.c index 1df3c8b6bf47..7c05e7eacbc6 100644 --- a/net/ipv6/netfilter/nf_conntrack_proto_icmpv6.c +++ b/net/ipv6/netfilter/nf_conntrack_proto_icmpv6.c @@ -177,7 +177,7 @@ icmpv6_error_message(struct net *net, struct nf_conn *tmpl, /* Update skb to refer to this connection */ skb->nfct = &nf_ct_tuplehash_to_ctrack(h)->ct_general; skb->nfctinfo = *ctinfo; - return -NF_ACCEPT; + return NF_ACCEPT; } static int diff --git a/net/irda/iriap.c b/net/irda/iriap.c index 36477538cea8..f876eed7d4aa 100644 --- a/net/irda/iriap.c +++ b/net/irda/iriap.c @@ -87,6 +87,8 @@ static inline void iriap_start_watchdog_timer(struct iriap_cb *self, iriap_watchdog_timer_expired); } +static struct lock_class_key irias_objects_key; + /* * Function iriap_init (void) * @@ -114,6 +116,9 @@ int __init iriap_init(void) return -ENOMEM; } + lockdep_set_class_and_name(&irias_objects->hb_spinlock, &irias_objects_key, + "irias_objects"); + /* * Register some default services for IrLMP */ diff --git a/net/iucv/iucv.c b/net/iucv/iucv.c index a15c01524959..7f9124914b13 100644 --- a/net/iucv/iucv.c +++ b/net/iucv/iucv.c @@ -54,7 +54,7 @@ #include <asm/atomic.h> #include <asm/ebcdic.h> #include <asm/io.h> -#include <asm/s390_ext.h> +#include <asm/irq.h> #include <asm/smp.h> /* diff --git a/net/l2tp/l2tp_debugfs.c b/net/l2tp/l2tp_debugfs.c index b8dbae82fab8..76130134bfa6 100644 --- a/net/l2tp/l2tp_debugfs.c +++ b/net/l2tp/l2tp_debugfs.c @@ -258,7 +258,7 @@ static int l2tp_dfs_seq_open(struct inode *inode, struct file *file) */ pd->net = get_net_ns_by_pid(current->pid); if (IS_ERR(pd->net)) { - rc = -PTR_ERR(pd->net); + rc = PTR_ERR(pd->net); goto err_free_pd; } diff --git a/net/netfilter/ipset/ip_set_core.c b/net/netfilter/ipset/ip_set_core.c index 8041befc6555..42aa64b6b0b1 100644 --- a/net/netfilter/ipset/ip_set_core.c +++ b/net/netfilter/ipset/ip_set_core.c @@ -767,7 +767,7 @@ ip_set_destroy(struct sock *ctnl, struct sk_buff *skb, if (!attr[IPSET_ATTR_SETNAME]) { for (i = 0; i < ip_set_max; i++) { if (ip_set_list[i] != NULL && ip_set_list[i]->ref) { - ret = IPSET_ERR_BUSY; + ret = -IPSET_ERR_BUSY; goto out; } } diff --git a/net/netfilter/ipset/ip_set_hash_ipportnet.c b/net/netfilter/ipset/ip_set_hash_ipportnet.c index 4743e5402522..565a7c5b8818 100644 --- a/net/netfilter/ipset/ip_set_hash_ipportnet.c +++ b/net/netfilter/ipset/ip_set_hash_ipportnet.c @@ -146,8 +146,9 @@ hash_ipportnet4_kadt(struct ip_set *set, const struct sk_buff *skb, { const struct ip_set_hash *h = set->data; ipset_adtfn adtfn = set->variant->adt[adt]; - struct hash_ipportnet4_elem data = - { .cidr = h->nets[0].cidr || HOST_MASK }; + struct hash_ipportnet4_elem data = { + .cidr = h->nets[0].cidr ? h->nets[0].cidr : HOST_MASK + }; if (data.cidr == 0) return -EINVAL; @@ -394,8 +395,9 @@ hash_ipportnet6_kadt(struct ip_set *set, const struct sk_buff *skb, { const struct ip_set_hash *h = set->data; ipset_adtfn adtfn = set->variant->adt[adt]; - struct hash_ipportnet6_elem data = - { .cidr = h->nets[0].cidr || HOST_MASK }; + struct hash_ipportnet6_elem data = { + .cidr = h->nets[0].cidr ? h->nets[0].cidr : HOST_MASK + }; if (data.cidr == 0) return -EINVAL; diff --git a/net/netfilter/ipset/ip_set_hash_net.c b/net/netfilter/ipset/ip_set_hash_net.c index c4db202b7da4..2aeeabcd5a21 100644 --- a/net/netfilter/ipset/ip_set_hash_net.c +++ b/net/netfilter/ipset/ip_set_hash_net.c @@ -131,7 +131,9 @@ hash_net4_kadt(struct ip_set *set, const struct sk_buff *skb, { const struct ip_set_hash *h = set->data; ipset_adtfn adtfn = set->variant->adt[adt]; - struct hash_net4_elem data = { .cidr = h->nets[0].cidr || HOST_MASK }; + struct hash_net4_elem data = { + .cidr = h->nets[0].cidr ? h->nets[0].cidr : HOST_MASK + }; if (data.cidr == 0) return -EINVAL; @@ -296,7 +298,9 @@ hash_net6_kadt(struct ip_set *set, const struct sk_buff *skb, { const struct ip_set_hash *h = set->data; ipset_adtfn adtfn = set->variant->adt[adt]; - struct hash_net6_elem data = { .cidr = h->nets[0].cidr || HOST_MASK }; + struct hash_net6_elem data = { + .cidr = h->nets[0].cidr ? h->nets[0].cidr : HOST_MASK + }; if (data.cidr == 0) return -EINVAL; diff --git a/net/netfilter/ipset/ip_set_hash_netport.c b/net/netfilter/ipset/ip_set_hash_netport.c index d2a40362dd3a..e50d9bb8820b 100644 --- a/net/netfilter/ipset/ip_set_hash_netport.c +++ b/net/netfilter/ipset/ip_set_hash_netport.c @@ -144,7 +144,8 @@ hash_netport4_kadt(struct ip_set *set, const struct sk_buff *skb, const struct ip_set_hash *h = set->data; ipset_adtfn adtfn = set->variant->adt[adt]; struct hash_netport4_elem data = { - .cidr = h->nets[0].cidr || HOST_MASK }; + .cidr = h->nets[0].cidr ? h->nets[0].cidr : HOST_MASK + }; if (data.cidr == 0) return -EINVAL; @@ -357,7 +358,8 @@ hash_netport6_kadt(struct ip_set *set, const struct sk_buff *skb, const struct ip_set_hash *h = set->data; ipset_adtfn adtfn = set->variant->adt[adt]; struct hash_netport6_elem data = { - .cidr = h->nets[0].cidr || HOST_MASK }; + .cidr = h->nets[0].cidr ? h->nets[0].cidr : HOST_MASK + }; if (data.cidr == 0) return -EINVAL; diff --git a/net/netfilter/ipvs/ip_vs_core.c b/net/netfilter/ipvs/ip_vs_core.c index bfa808f4da13..55af2242bccd 100644 --- a/net/netfilter/ipvs/ip_vs_core.c +++ b/net/netfilter/ipvs/ip_vs_core.c @@ -1772,7 +1772,7 @@ static struct nf_hook_ops ip_vs_ops[] __read_mostly = { .owner = THIS_MODULE, .pf = PF_INET, .hooknum = NF_INET_LOCAL_IN, - .priority = 99, + .priority = NF_IP_PRI_NAT_SRC - 2, }, /* After packet filtering, forward packet through VS/DR, VS/TUN, * or VS/NAT(change destination), so that filtering rules can be @@ -1782,7 +1782,7 @@ static struct nf_hook_ops ip_vs_ops[] __read_mostly = { .owner = THIS_MODULE, .pf = PF_INET, .hooknum = NF_INET_LOCAL_IN, - .priority = 101, + .priority = NF_IP_PRI_NAT_SRC - 1, }, /* Before ip_vs_in, change source only for VS/NAT */ { @@ -1790,7 +1790,7 @@ static struct nf_hook_ops ip_vs_ops[] __read_mostly = { .owner = THIS_MODULE, .pf = PF_INET, .hooknum = NF_INET_LOCAL_OUT, - .priority = -99, + .priority = NF_IP_PRI_NAT_DST + 1, }, /* After mangle, schedule and forward local requests */ { @@ -1798,7 +1798,7 @@ static struct nf_hook_ops ip_vs_ops[] __read_mostly = { .owner = THIS_MODULE, .pf = PF_INET, .hooknum = NF_INET_LOCAL_OUT, - .priority = -98, + .priority = NF_IP_PRI_NAT_DST + 2, }, /* After packet filtering (but before ip_vs_out_icmp), catch icmp * destined for 0.0.0.0/0, which is for incoming IPVS connections */ @@ -1824,7 +1824,7 @@ static struct nf_hook_ops ip_vs_ops[] __read_mostly = { .owner = THIS_MODULE, .pf = PF_INET6, .hooknum = NF_INET_LOCAL_IN, - .priority = 99, + .priority = NF_IP6_PRI_NAT_SRC - 2, }, /* After packet filtering, forward packet through VS/DR, VS/TUN, * or VS/NAT(change destination), so that filtering rules can be @@ -1834,7 +1834,7 @@ static struct nf_hook_ops ip_vs_ops[] __read_mostly = { .owner = THIS_MODULE, .pf = PF_INET6, .hooknum = NF_INET_LOCAL_IN, - .priority = 101, + .priority = NF_IP6_PRI_NAT_SRC - 1, }, /* Before ip_vs_in, change source only for VS/NAT */ { @@ -1842,7 +1842,7 @@ static struct nf_hook_ops ip_vs_ops[] __read_mostly = { .owner = THIS_MODULE, .pf = PF_INET, .hooknum = NF_INET_LOCAL_OUT, - .priority = -99, + .priority = NF_IP6_PRI_NAT_DST + 1, }, /* After mangle, schedule and forward local requests */ { @@ -1850,7 +1850,7 @@ static struct nf_hook_ops ip_vs_ops[] __read_mostly = { .owner = THIS_MODULE, .pf = PF_INET6, .hooknum = NF_INET_LOCAL_OUT, - .priority = -98, + .priority = NF_IP6_PRI_NAT_DST + 2, }, /* After packet filtering (but before ip_vs_out_icmp), catch icmp * destined for 0.0.0.0/0, which is for incoming IPVS connections */ diff --git a/net/netfilter/nf_conntrack_core.c b/net/netfilter/nf_conntrack_core.c index 2e1c11f78419..f7af8b866017 100644 --- a/net/netfilter/nf_conntrack_core.c +++ b/net/netfilter/nf_conntrack_core.c @@ -850,7 +850,7 @@ resolve_normal_ct(struct net *net, struct nf_conn *tmpl, /* It exists; we have (non-exclusive) reference. */ if (NF_CT_DIRECTION(h) == IP_CT_DIR_REPLY) { - *ctinfo = IP_CT_ESTABLISHED + IP_CT_IS_REPLY; + *ctinfo = IP_CT_ESTABLISHED_REPLY; /* Please set reply bit if this packet OK */ *set_reply = 1; } else { @@ -922,6 +922,9 @@ nf_conntrack_in(struct net *net, u_int8_t pf, unsigned int hooknum, ret = -ret; goto out; } + /* ICMP[v6] protocol trackers may assign one conntrack. */ + if (skb->nfct) + goto out; } ct = resolve_normal_ct(net, tmpl, skb, dataoff, pf, protonum, @@ -1143,7 +1146,7 @@ static void nf_conntrack_attach(struct sk_buff *nskb, struct sk_buff *skb) /* This ICMP is in reverse direction to the packet which caused it */ ct = nf_ct_get(skb, &ctinfo); if (CTINFO2DIR(ctinfo) == IP_CT_DIR_ORIGINAL) - ctinfo = IP_CT_RELATED + IP_CT_IS_REPLY; + ctinfo = IP_CT_RELATED_REPLY; else ctinfo = IP_CT_RELATED; diff --git a/net/netfilter/nf_conntrack_ftp.c b/net/netfilter/nf_conntrack_ftp.c index e17cb7c7dd8f..6f5801eac999 100644 --- a/net/netfilter/nf_conntrack_ftp.c +++ b/net/netfilter/nf_conntrack_ftp.c @@ -368,7 +368,7 @@ static int help(struct sk_buff *skb, /* Until there's been traffic both ways, don't look in packets. */ if (ctinfo != IP_CT_ESTABLISHED && - ctinfo != IP_CT_ESTABLISHED + IP_CT_IS_REPLY) { + ctinfo != IP_CT_ESTABLISHED_REPLY) { pr_debug("ftp: Conntrackinfo = %u\n", ctinfo); return NF_ACCEPT; } diff --git a/net/netfilter/nf_conntrack_h323_main.c b/net/netfilter/nf_conntrack_h323_main.c index 18b2ce5c8ced..f03c2d4539f6 100644 --- a/net/netfilter/nf_conntrack_h323_main.c +++ b/net/netfilter/nf_conntrack_h323_main.c @@ -571,10 +571,9 @@ static int h245_help(struct sk_buff *skb, unsigned int protoff, int ret; /* Until there's been traffic both ways, don't look in packets. */ - if (ctinfo != IP_CT_ESTABLISHED && - ctinfo != IP_CT_ESTABLISHED + IP_CT_IS_REPLY) { + if (ctinfo != IP_CT_ESTABLISHED && ctinfo != IP_CT_ESTABLISHED_REPLY) return NF_ACCEPT; - } + pr_debug("nf_ct_h245: skblen = %u\n", skb->len); spin_lock_bh(&nf_h323_lock); @@ -1125,10 +1124,9 @@ static int q931_help(struct sk_buff *skb, unsigned int protoff, int ret; /* Until there's been traffic both ways, don't look in packets. */ - if (ctinfo != IP_CT_ESTABLISHED && - ctinfo != IP_CT_ESTABLISHED + IP_CT_IS_REPLY) { + if (ctinfo != IP_CT_ESTABLISHED && ctinfo != IP_CT_ESTABLISHED_REPLY) return NF_ACCEPT; - } + pr_debug("nf_ct_q931: skblen = %u\n", skb->len); spin_lock_bh(&nf_h323_lock); diff --git a/net/netfilter/nf_conntrack_irc.c b/net/netfilter/nf_conntrack_irc.c index b394aa318776..4f9390b98697 100644 --- a/net/netfilter/nf_conntrack_irc.c +++ b/net/netfilter/nf_conntrack_irc.c @@ -125,8 +125,7 @@ static int help(struct sk_buff *skb, unsigned int protoff, return NF_ACCEPT; /* Until there's been traffic both ways, don't look in packets. */ - if (ctinfo != IP_CT_ESTABLISHED && - ctinfo != IP_CT_ESTABLISHED + IP_CT_IS_REPLY) + if (ctinfo != IP_CT_ESTABLISHED && ctinfo != IP_CT_ESTABLISHED_REPLY) return NF_ACCEPT; /* Not a full tcp header? */ diff --git a/net/netfilter/nf_conntrack_pptp.c b/net/netfilter/nf_conntrack_pptp.c index 088944824e13..2fd4565144de 100644 --- a/net/netfilter/nf_conntrack_pptp.c +++ b/net/netfilter/nf_conntrack_pptp.c @@ -519,8 +519,7 @@ conntrack_pptp_help(struct sk_buff *skb, unsigned int protoff, u_int16_t msg; /* don't do any tracking before tcp handshake complete */ - if (ctinfo != IP_CT_ESTABLISHED && - ctinfo != IP_CT_ESTABLISHED + IP_CT_IS_REPLY) + if (ctinfo != IP_CT_ESTABLISHED && ctinfo != IP_CT_ESTABLISHED_REPLY) return NF_ACCEPT; nexthdr_off = protoff; diff --git a/net/netfilter/nf_conntrack_sane.c b/net/netfilter/nf_conntrack_sane.c index d9e27734b2a2..8501823b3f9b 100644 --- a/net/netfilter/nf_conntrack_sane.c +++ b/net/netfilter/nf_conntrack_sane.c @@ -78,7 +78,7 @@ static int help(struct sk_buff *skb, ct_sane_info = &nfct_help(ct)->help.ct_sane_info; /* Until there's been traffic both ways, don't look in packets. */ if (ctinfo != IP_CT_ESTABLISHED && - ctinfo != IP_CT_ESTABLISHED+IP_CT_IS_REPLY) + ctinfo != IP_CT_ESTABLISHED_REPLY) return NF_ACCEPT; /* Not a full tcp header? */ diff --git a/net/netfilter/nf_conntrack_sip.c b/net/netfilter/nf_conntrack_sip.c index cb5a28581782..93faf6a3a637 100644 --- a/net/netfilter/nf_conntrack_sip.c +++ b/net/netfilter/nf_conntrack_sip.c @@ -1423,7 +1423,7 @@ static int sip_help_tcp(struct sk_buff *skb, unsigned int protoff, typeof(nf_nat_sip_seq_adjust_hook) nf_nat_sip_seq_adjust; if (ctinfo != IP_CT_ESTABLISHED && - ctinfo != IP_CT_ESTABLISHED + IP_CT_IS_REPLY) + ctinfo != IP_CT_ESTABLISHED_REPLY) return NF_ACCEPT; /* No Data ? */ diff --git a/net/netfilter/xt_socket.c b/net/netfilter/xt_socket.c index 9cc46356b577..fe39f7e913df 100644 --- a/net/netfilter/xt_socket.c +++ b/net/netfilter/xt_socket.c @@ -143,9 +143,9 @@ socket_match(const struct sk_buff *skb, struct xt_action_param *par, ct = nf_ct_get(skb, &ctinfo); if (ct && !nf_ct_is_untracked(ct) && ((iph->protocol != IPPROTO_ICMP && - ctinfo == IP_CT_IS_REPLY + IP_CT_ESTABLISHED) || + ctinfo == IP_CT_ESTABLISHED_REPLY) || (iph->protocol == IPPROTO_ICMP && - ctinfo == IP_CT_IS_REPLY + IP_CT_RELATED)) && + ctinfo == IP_CT_RELATED_REPLY)) && (ct->status & IPS_SRC_NAT_DONE)) { daddr = ct->tuplehash[IP_CT_DIR_ORIGINAL].tuple.src.u3.ip; diff --git a/net/packet/af_packet.c b/net/packet/af_packet.c index 925f715686a5..c0c3cda19712 100644 --- a/net/packet/af_packet.c +++ b/net/packet/af_packet.c @@ -798,7 +798,13 @@ static int tpacket_rcv(struct sk_buff *skb, struct net_device *dev, getnstimeofday(&ts); h.h2->tp_sec = ts.tv_sec; h.h2->tp_nsec = ts.tv_nsec; - h.h2->tp_vlan_tci = vlan_tx_tag_get(skb); + if (vlan_tx_tag_present(skb)) { + h.h2->tp_vlan_tci = vlan_tx_tag_get(skb); + status |= TP_STATUS_VLAN_VALID; + } else { + h.h2->tp_vlan_tci = 0; + } + h.h2->tp_padding = 0; hdrlen = sizeof(*h.h2); break; default: @@ -1725,8 +1731,13 @@ static int packet_recvmsg(struct kiocb *iocb, struct socket *sock, aux.tp_snaplen = skb->len; aux.tp_mac = 0; aux.tp_net = skb_network_offset(skb); - aux.tp_vlan_tci = vlan_tx_tag_get(skb); - + if (vlan_tx_tag_present(skb)) { + aux.tp_vlan_tci = vlan_tx_tag_get(skb); + aux.tp_status |= TP_STATUS_VLAN_VALID; + } else { + aux.tp_vlan_tci = 0; + } + aux.tp_padding = 0; put_cmsg(msg, SOL_PACKET, PACKET_AUXDATA, sizeof(aux), &aux); } diff --git a/net/rds/ib.c b/net/rds/ib.c index cce19f95c624..3b83086bcc30 100644 --- a/net/rds/ib.c +++ b/net/rds/ib.c @@ -325,7 +325,7 @@ static int rds_ib_laddr_check(__be32 addr) /* Create a CMA ID and try to bind it. This catches both * IB and iWARP capable NICs. */ - cm_id = rdma_create_id(NULL, NULL, RDMA_PS_TCP); + cm_id = rdma_create_id(NULL, NULL, RDMA_PS_TCP, IB_QPT_RC); if (IS_ERR(cm_id)) return PTR_ERR(cm_id); diff --git a/net/rds/ib_cm.c b/net/rds/ib_cm.c index ee369d201a65..fd453dd5124b 100644 --- a/net/rds/ib_cm.c +++ b/net/rds/ib_cm.c @@ -587,7 +587,7 @@ int rds_ib_conn_connect(struct rds_connection *conn) /* XXX I wonder what affect the port space has */ /* delegate cm event handler to rdma_transport */ ic->i_cm_id = rdma_create_id(rds_rdma_cm_event_handler, conn, - RDMA_PS_TCP); + RDMA_PS_TCP, IB_QPT_RC); if (IS_ERR(ic->i_cm_id)) { ret = PTR_ERR(ic->i_cm_id); ic->i_cm_id = NULL; diff --git a/net/rds/iw.c b/net/rds/iw.c index 5a9676fe594f..f7474844f096 100644 --- a/net/rds/iw.c +++ b/net/rds/iw.c @@ -226,7 +226,7 @@ static int rds_iw_laddr_check(__be32 addr) /* Create a CMA ID and try to bind it. This catches both * IB and iWARP capable NICs. */ - cm_id = rdma_create_id(NULL, NULL, RDMA_PS_TCP); + cm_id = rdma_create_id(NULL, NULL, RDMA_PS_TCP, IB_QPT_RC); if (IS_ERR(cm_id)) return PTR_ERR(cm_id); diff --git a/net/rds/iw_cm.c b/net/rds/iw_cm.c index 3a60a15d1b4a..c12db66f24c7 100644 --- a/net/rds/iw_cm.c +++ b/net/rds/iw_cm.c @@ -522,7 +522,7 @@ int rds_iw_conn_connect(struct rds_connection *conn) /* XXX I wonder what affect the port space has */ /* delegate cm event handler to rdma_transport */ ic->i_cm_id = rdma_create_id(rds_rdma_cm_event_handler, conn, - RDMA_PS_TCP); + RDMA_PS_TCP, IB_QPT_RC); if (IS_ERR(ic->i_cm_id)) { ret = PTR_ERR(ic->i_cm_id); ic->i_cm_id = NULL; diff --git a/net/rds/rdma_transport.c b/net/rds/rdma_transport.c index 4195a0539829..f8760e1b6688 100644 --- a/net/rds/rdma_transport.c +++ b/net/rds/rdma_transport.c @@ -158,7 +158,8 @@ static int rds_rdma_listen_init(void) struct rdma_cm_id *cm_id; int ret; - cm_id = rdma_create_id(rds_rdma_cm_event_handler, NULL, RDMA_PS_TCP); + cm_id = rdma_create_id(rds_rdma_cm_event_handler, NULL, RDMA_PS_TCP, + IB_QPT_RC); if (IS_ERR(cm_id)) { ret = PTR_ERR(cm_id); printk(KERN_ERR "RDS/RDMA: failed to setup listener, " diff --git a/net/sched/sch_generic.c b/net/sched/sch_generic.c index b1721d71c27c..b4c680900d7a 100644 --- a/net/sched/sch_generic.c +++ b/net/sched/sch_generic.c @@ -251,9 +251,8 @@ static void dev_watchdog(unsigned long arg) } if (some_queue_timedout) { - char drivername[64]; WARN_ONCE(1, KERN_INFO "NETDEV WATCHDOG: %s (%s): transmit queue %u timed out\n", - dev->name, netdev_drivername(dev, drivername, 64), i); + dev->name, netdev_drivername(dev), i); dev->netdev_ops->ndo_tx_timeout(dev); } if (!mod_timer(&dev->watchdog_timer, diff --git a/net/sctp/associola.c b/net/sctp/associola.c index 525f97c467e9..4a62888f2e43 100644 --- a/net/sctp/associola.c +++ b/net/sctp/associola.c @@ -444,15 +444,7 @@ void sctp_association_free(struct sctp_association *asoc) asoc->peer.transport_count = 0; - /* Free any cached ASCONF_ACK chunk. */ - sctp_assoc_free_asconf_acks(asoc); - - /* Free the ASCONF queue. */ - sctp_assoc_free_asconf_queue(asoc); - - /* Free any cached ASCONF chunk. */ - if (asoc->addip_last_asconf) - sctp_chunk_free(asoc->addip_last_asconf); + sctp_asconf_queue_teardown(asoc); /* AUTH - Free the endpoint shared keys */ sctp_auth_destroy_keys(&asoc->endpoint_shared_keys); @@ -1646,3 +1638,16 @@ struct sctp_chunk *sctp_assoc_lookup_asconf_ack( return NULL; } + +void sctp_asconf_queue_teardown(struct sctp_association *asoc) +{ + /* Free any cached ASCONF_ACK chunk. */ + sctp_assoc_free_asconf_acks(asoc); + + /* Free the ASCONF queue. */ + sctp_assoc_free_asconf_queue(asoc); + + /* Free any cached ASCONF chunk. */ + if (asoc->addip_last_asconf) + sctp_chunk_free(asoc->addip_last_asconf); +} diff --git a/net/sctp/sm_sideeffect.c b/net/sctp/sm_sideeffect.c index d612ca1ca6c0..534c2e5feb05 100644 --- a/net/sctp/sm_sideeffect.c +++ b/net/sctp/sm_sideeffect.c @@ -1670,6 +1670,9 @@ static int sctp_cmd_interpreter(sctp_event_t event_type, case SCTP_CMD_SEND_NEXT_ASCONF: sctp_cmd_send_asconf(asoc); break; + case SCTP_CMD_PURGE_ASCONF_QUEUE: + sctp_asconf_queue_teardown(asoc); + break; default: pr_warn("Impossible command: %u, %p\n", cmd->verb, cmd->obj.ptr); diff --git a/net/sctp/sm_statefuns.c b/net/sctp/sm_statefuns.c index 7f4a4f8368ee..a297283154d5 100644 --- a/net/sctp/sm_statefuns.c +++ b/net/sctp/sm_statefuns.c @@ -1718,11 +1718,21 @@ static sctp_disposition_t sctp_sf_do_dupcook_a(const struct sctp_endpoint *ep, return SCTP_DISPOSITION_CONSUME; } - /* For now, fail any unsent/unacked data. Consider the optional - * choice of resending of this data. + /* For now, stop pending T3-rtx and SACK timers, fail any unsent/unacked + * data. Consider the optional choice of resending of this data. */ + sctp_add_cmd_sf(commands, SCTP_CMD_T3_RTX_TIMERS_STOP, SCTP_NULL()); + sctp_add_cmd_sf(commands, SCTP_CMD_TIMER_STOP, + SCTP_TO(SCTP_EVENT_TIMEOUT_SACK)); sctp_add_cmd_sf(commands, SCTP_CMD_PURGE_OUTQUEUE, SCTP_NULL()); + /* Stop pending T4-rto timer, teardown ASCONF queue, ASCONF-ACK queue + * and ASCONF-ACK cache. + */ + sctp_add_cmd_sf(commands, SCTP_CMD_TIMER_STOP, + SCTP_TO(SCTP_EVENT_TIMEOUT_T4_RTO)); + sctp_add_cmd_sf(commands, SCTP_CMD_PURGE_ASCONF_QUEUE, SCTP_NULL()); + repl = sctp_make_cookie_ack(new_asoc, chunk); if (!repl) goto nomem; diff --git a/net/sunrpc/auth.c b/net/sunrpc/auth.c index 67e31276682a..cd6e4aa19dbf 100644 --- a/net/sunrpc/auth.c +++ b/net/sunrpc/auth.c @@ -326,10 +326,12 @@ rpcauth_prune_expired(struct list_head *free, int nr_to_scan) * Run memory cache shrinker. */ static int -rpcauth_cache_shrinker(struct shrinker *shrink, int nr_to_scan, gfp_t gfp_mask) +rpcauth_cache_shrinker(struct shrinker *shrink, struct shrink_control *sc) { LIST_HEAD(free); int res; + int nr_to_scan = sc->nr_to_scan; + gfp_t gfp_mask = sc->gfp_mask; if ((gfp_mask & GFP_KERNEL) != GFP_KERNEL) return (nr_to_scan == 0) ? 0 : -1; diff --git a/net/sunrpc/clnt.c b/net/sunrpc/clnt.c index 8d83f9d48713..b84d7395535e 100644 --- a/net/sunrpc/clnt.c +++ b/net/sunrpc/clnt.c @@ -13,10 +13,6 @@ * and need to be refreshed, or when a packet was damaged in transit. * This may be have to be moved to the VFS layer. * - * NB: BSD uses a more intelligent approach to guessing when a request - * or reply has been lost by keeping the RTO estimate for each procedure. - * We currently make do with a constant timeout value. - * * Copyright (C) 1992,1993 Rick Sladkey <jrs@world.std.com> * Copyright (C) 1995,1996 Olaf Kirch <okir@monad.swb.de> */ @@ -32,7 +28,9 @@ #include <linux/slab.h> #include <linux/utsname.h> #include <linux/workqueue.h> +#include <linux/in.h> #include <linux/in6.h> +#include <linux/un.h> #include <linux/sunrpc/clnt.h> #include <linux/sunrpc/rpc_pipe_fs.h> @@ -298,22 +296,27 @@ struct rpc_clnt *rpc_create(struct rpc_create_args *args) * up a string representation of the passed-in address. */ if (args->servername == NULL) { + struct sockaddr_un *sun = + (struct sockaddr_un *)args->address; + struct sockaddr_in *sin = + (struct sockaddr_in *)args->address; + struct sockaddr_in6 *sin6 = + (struct sockaddr_in6 *)args->address; + servername[0] = '\0'; switch (args->address->sa_family) { - case AF_INET: { - struct sockaddr_in *sin = - (struct sockaddr_in *)args->address; + case AF_LOCAL: + snprintf(servername, sizeof(servername), "%s", + sun->sun_path); + break; + case AF_INET: snprintf(servername, sizeof(servername), "%pI4", &sin->sin_addr.s_addr); break; - } - case AF_INET6: { - struct sockaddr_in6 *sin = - (struct sockaddr_in6 *)args->address; + case AF_INET6: snprintf(servername, sizeof(servername), "%pI6", - &sin->sin6_addr); + &sin6->sin6_addr); break; - } default: /* caller wants default server name, but * address family isn't recognized. */ diff --git a/net/sunrpc/rpcb_clnt.c b/net/sunrpc/rpcb_clnt.c index c652e4cc9fe9..9a80a922c527 100644 --- a/net/sunrpc/rpcb_clnt.c +++ b/net/sunrpc/rpcb_clnt.c @@ -16,6 +16,7 @@ #include <linux/types.h> #include <linux/socket.h> +#include <linux/un.h> #include <linux/in.h> #include <linux/in6.h> #include <linux/kernel.h> @@ -32,6 +33,8 @@ # define RPCDBG_FACILITY RPCDBG_BIND #endif +#define RPCBIND_SOCK_PATHNAME "/var/run/rpcbind.sock" + #define RPCBIND_PROGRAM (100000u) #define RPCBIND_PORT (111u) @@ -158,20 +161,69 @@ static void rpcb_map_release(void *data) kfree(map); } -static const struct sockaddr_in rpcb_inaddr_loopback = { - .sin_family = AF_INET, - .sin_addr.s_addr = htonl(INADDR_LOOPBACK), - .sin_port = htons(RPCBIND_PORT), -}; +/* + * Returns zero on success, otherwise a negative errno value + * is returned. + */ +static int rpcb_create_local_unix(void) +{ + static const struct sockaddr_un rpcb_localaddr_rpcbind = { + .sun_family = AF_LOCAL, + .sun_path = RPCBIND_SOCK_PATHNAME, + }; + struct rpc_create_args args = { + .net = &init_net, + .protocol = XPRT_TRANSPORT_LOCAL, + .address = (struct sockaddr *)&rpcb_localaddr_rpcbind, + .addrsize = sizeof(rpcb_localaddr_rpcbind), + .servername = "localhost", + .program = &rpcb_program, + .version = RPCBVERS_2, + .authflavor = RPC_AUTH_NULL, + }; + struct rpc_clnt *clnt, *clnt4; + int result = 0; + + /* + * Because we requested an RPC PING at transport creation time, + * this works only if the user space portmapper is rpcbind, and + * it's listening on AF_LOCAL on the named socket. + */ + clnt = rpc_create(&args); + if (IS_ERR(clnt)) { + dprintk("RPC: failed to create AF_LOCAL rpcbind " + "client (errno %ld).\n", PTR_ERR(clnt)); + result = -PTR_ERR(clnt); + goto out; + } + + clnt4 = rpc_bind_new_program(clnt, &rpcb_program, RPCBVERS_4); + if (IS_ERR(clnt4)) { + dprintk("RPC: failed to bind second program to " + "rpcbind v4 client (errno %ld).\n", + PTR_ERR(clnt4)); + clnt4 = NULL; + } + + /* Protected by rpcb_create_local_mutex */ + rpcb_local_clnt = clnt; + rpcb_local_clnt4 = clnt4; -static DEFINE_MUTEX(rpcb_create_local_mutex); +out: + return result; +} /* * Returns zero on success, otherwise a negative errno value * is returned. */ -static int rpcb_create_local(void) +static int rpcb_create_local_net(void) { + static const struct sockaddr_in rpcb_inaddr_loopback = { + .sin_family = AF_INET, + .sin_addr.s_addr = htonl(INADDR_LOOPBACK), + .sin_port = htons(RPCBIND_PORT), + }; struct rpc_create_args args = { .net = &init_net, .protocol = XPRT_TRANSPORT_TCP, @@ -186,13 +238,6 @@ static int rpcb_create_local(void) struct rpc_clnt *clnt, *clnt4; int result = 0; - if (rpcb_local_clnt) - return result; - - mutex_lock(&rpcb_create_local_mutex); - if (rpcb_local_clnt) - goto out; - clnt = rpc_create(&args); if (IS_ERR(clnt)) { dprintk("RPC: failed to create local rpcbind " @@ -214,10 +259,34 @@ static int rpcb_create_local(void) clnt4 = NULL; } + /* Protected by rpcb_create_local_mutex */ rpcb_local_clnt = clnt; rpcb_local_clnt4 = clnt4; out: + return result; +} + +/* + * Returns zero on success, otherwise a negative errno value + * is returned. + */ +static int rpcb_create_local(void) +{ + static DEFINE_MUTEX(rpcb_create_local_mutex); + int result = 0; + + if (rpcb_local_clnt) + return result; + + mutex_lock(&rpcb_create_local_mutex); + if (rpcb_local_clnt) + goto out; + + if (rpcb_create_local_unix() != 0) + result = rpcb_create_local_net(); + +out: mutex_unlock(&rpcb_create_local_mutex); return result; } diff --git a/net/sunrpc/svc.c b/net/sunrpc/svc.c index 08e05a8ce025..2b90292e9505 100644 --- a/net/sunrpc/svc.c +++ b/net/sunrpc/svc.c @@ -942,6 +942,8 @@ static void svc_unregister(const struct svc_serv *serv) if (progp->pg_vers[i]->vs_hidden) continue; + dprintk("svc: attempting to unregister %sv%u\n", + progp->pg_name, i); __svc_unregister(progp->pg_prog, i, progp->pg_name); } } diff --git a/net/sunrpc/svcsock.c b/net/sunrpc/svcsock.c index b7d435c3f19e..af04f779ce9f 100644 --- a/net/sunrpc/svcsock.c +++ b/net/sunrpc/svcsock.c @@ -387,6 +387,33 @@ static int svc_recvfrom(struct svc_rqst *rqstp, struct kvec *iov, int nr, return len; } +static int svc_partial_recvfrom(struct svc_rqst *rqstp, + struct kvec *iov, int nr, + int buflen, unsigned int base) +{ + size_t save_iovlen; + void __user *save_iovbase; + unsigned int i; + int ret; + + if (base == 0) + return svc_recvfrom(rqstp, iov, nr, buflen); + + for (i = 0; i < nr; i++) { + if (iov[i].iov_len > base) + break; + base -= iov[i].iov_len; + } + save_iovlen = iov[i].iov_len; + save_iovbase = iov[i].iov_base; + iov[i].iov_len -= base; + iov[i].iov_base += base; + ret = svc_recvfrom(rqstp, &iov[i], nr - i, buflen); + iov[i].iov_len = save_iovlen; + iov[i].iov_base = save_iovbase; + return ret; +} + /* * Set socket snd and rcv buffer lengths */ @@ -409,7 +436,6 @@ static void svc_sock_setbufsize(struct socket *sock, unsigned int snd, lock_sock(sock->sk); sock->sk->sk_sndbuf = snd * 2; sock->sk->sk_rcvbuf = rcv * 2; - sock->sk->sk_userlocks |= SOCK_SNDBUF_LOCK|SOCK_RCVBUF_LOCK; sock->sk->sk_write_space(sock->sk); release_sock(sock->sk); #endif @@ -884,6 +910,56 @@ failed: return NULL; } +static unsigned int svc_tcp_restore_pages(struct svc_sock *svsk, struct svc_rqst *rqstp) +{ + unsigned int i, len, npages; + + if (svsk->sk_tcplen <= sizeof(rpc_fraghdr)) + return 0; + len = svsk->sk_tcplen - sizeof(rpc_fraghdr); + npages = (len + PAGE_SIZE - 1) >> PAGE_SHIFT; + for (i = 0; i < npages; i++) { + if (rqstp->rq_pages[i] != NULL) + put_page(rqstp->rq_pages[i]); + BUG_ON(svsk->sk_pages[i] == NULL); + rqstp->rq_pages[i] = svsk->sk_pages[i]; + svsk->sk_pages[i] = NULL; + } + rqstp->rq_arg.head[0].iov_base = page_address(rqstp->rq_pages[0]); + return len; +} + +static void svc_tcp_save_pages(struct svc_sock *svsk, struct svc_rqst *rqstp) +{ + unsigned int i, len, npages; + + if (svsk->sk_tcplen <= sizeof(rpc_fraghdr)) + return; + len = svsk->sk_tcplen - sizeof(rpc_fraghdr); + npages = (len + PAGE_SIZE - 1) >> PAGE_SHIFT; + for (i = 0; i < npages; i++) { + svsk->sk_pages[i] = rqstp->rq_pages[i]; + rqstp->rq_pages[i] = NULL; + } +} + +static void svc_tcp_clear_pages(struct svc_sock *svsk) +{ + unsigned int i, len, npages; + + if (svsk->sk_tcplen <= sizeof(rpc_fraghdr)) + goto out; + len = svsk->sk_tcplen - sizeof(rpc_fraghdr); + npages = (len + PAGE_SIZE - 1) >> PAGE_SHIFT; + for (i = 0; i < npages; i++) { + BUG_ON(svsk->sk_pages[i] == NULL); + put_page(svsk->sk_pages[i]); + svsk->sk_pages[i] = NULL; + } +out: + svsk->sk_tcplen = 0; +} + /* * Receive data. * If we haven't gotten the record length yet, get the next four bytes. @@ -893,31 +969,15 @@ failed: static int svc_tcp_recv_record(struct svc_sock *svsk, struct svc_rqst *rqstp) { struct svc_serv *serv = svsk->sk_xprt.xpt_server; + unsigned int want; int len; - if (test_and_clear_bit(XPT_CHNGBUF, &svsk->sk_xprt.xpt_flags)) - /* sndbuf needs to have room for one request - * per thread, otherwise we can stall even when the - * network isn't a bottleneck. - * - * We count all threads rather than threads in a - * particular pool, which provides an upper bound - * on the number of threads which will access the socket. - * - * rcvbuf just needs to be able to hold a few requests. - * Normally they will be removed from the queue - * as soon a a complete request arrives. - */ - svc_sock_setbufsize(svsk->sk_sock, - (serv->sv_nrthreads+3) * serv->sv_max_mesg, - 3 * serv->sv_max_mesg); - clear_bit(XPT_DATA, &svsk->sk_xprt.xpt_flags); if (svsk->sk_tcplen < sizeof(rpc_fraghdr)) { - int want = sizeof(rpc_fraghdr) - svsk->sk_tcplen; struct kvec iov; + want = sizeof(rpc_fraghdr) - svsk->sk_tcplen; iov.iov_base = ((char *) &svsk->sk_reclen) + svsk->sk_tcplen; iov.iov_len = want; if ((len = svc_recvfrom(rqstp, &iov, 1, want)) < 0) @@ -927,7 +987,7 @@ static int svc_tcp_recv_record(struct svc_sock *svsk, struct svc_rqst *rqstp) if (len < want) { dprintk("svc: short recvfrom while reading record " "length (%d of %d)\n", len, want); - goto err_again; /* record header not complete */ + return -EAGAIN; } svsk->sk_reclen = ntohl(svsk->sk_reclen); @@ -954,83 +1014,75 @@ static int svc_tcp_recv_record(struct svc_sock *svsk, struct svc_rqst *rqstp) } } - /* Check whether enough data is available */ - len = svc_recv_available(svsk); - if (len < 0) - goto error; + if (svsk->sk_reclen < 8) + goto err_delete; /* client is nuts. */ - if (len < svsk->sk_reclen) { - dprintk("svc: incomplete TCP record (%d of %d)\n", - len, svsk->sk_reclen); - 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"); +error: + dprintk("RPC: TCP recv_record got %d\n", len); return len; - err_delete: +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) +static int receive_cb_reply(struct svc_sock *svsk, struct svc_rqst *rqstp) { + struct rpc_xprt *bc_xprt = svsk->sk_xprt.xpt_bc_xprt; 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; + struct kvec *src, *dst; + __be32 *p = (__be32 *)rqstp->rq_arg.head[0].iov_base; + __be32 xid; + __be32 calldir; - 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 */ - struct rpc_xprt *bc_xprt = svsk->sk_xprt.xpt_bc_xprt; - - if (bc_xprt) - req = xprt_lookup_rqst(bc_xprt, xid); - - if (!req) { - printk(KERN_NOTICE - "%s: Got unrecognized reply: " - "calldir 0x%x xpt_bc_xprt %p xid %08x\n", - __func__, ntohl(calldir), - bc_xprt, xid); - vec[0] = rqstp->rq_arg.head[0]; - goto out; - } + if (bc_xprt) + req = xprt_lookup_rqst(bc_xprt, xid); - 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]; + if (!req) { + printk(KERN_NOTICE + "%s: Got unrecognized reply: " + "calldir 0x%x xpt_bc_xprt %p xid %08x\n", + __func__, ntohl(calldir), + bc_xprt, xid); + return -EAGAIN; } - out: - vec[0].iov_base += 8; - vec[0].iov_len -= 8; - len = svsk->sk_reclen - 8; - error: - *reqpp = req; - return len; + + memcpy(&req->rq_private_buf, &req->rq_rcv_buf, sizeof(struct xdr_buf)); + /* + * XXX!: cheating for now! Only copying HEAD. + * But we know this is good enough for now (in fact, for any + * callback reply in the forseeable future). + */ + dst = &req->rq_private_buf.head[0]; + src = &rqstp->rq_arg.head[0]; + if (dst->iov_len < src->iov_len) + return -EAGAIN; /* whatever; just giving up. */ + memcpy(dst->iov_base, src->iov_base, src->iov_len); + xprt_complete_rqst(req->rq_task, svsk->sk_reclen); + rqstp->rq_arg.len = 0; + return 0; } +static int copy_pages_to_kvecs(struct kvec *vec, struct page **pages, int len) +{ + int i = 0; + int t = 0; + + while (t < len) { + vec[i].iov_base = page_address(pages[i]); + vec[i].iov_len = PAGE_SIZE; + i++; + t += PAGE_SIZE; + } + return i; +} + + /* * Receive data from a TCP socket. */ @@ -1041,8 +1093,10 @@ static int svc_tcp_recvfrom(struct svc_rqst *rqstp) struct svc_serv *serv = svsk->sk_xprt.xpt_server; int len; struct kvec *vec; - int pnum, vlen; - struct rpc_rqst *req = NULL; + unsigned int want, base; + __be32 *p; + __be32 calldir; + int pnum; dprintk("svc: tcp_recv %p data %d conn %d close %d\n", svsk, test_bit(XPT_DATA, &svsk->sk_xprt.xpt_flags), @@ -1053,87 +1107,73 @@ static int svc_tcp_recvfrom(struct svc_rqst *rqstp) if (len < 0) goto error; + base = svc_tcp_restore_pages(svsk, rqstp); + want = svsk->sk_reclen - base; + 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 = copy_pages_to_kvecs(&vec[0], &rqstp->rq_pages[0], + svsk->sk_reclen); - pnum = 1; - while (vlen < len) { - 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; - } rqstp->rq_respages = &rqstp->rq_pages[pnum]; /* Now receive data */ - len = svc_recvfrom(rqstp, vec, pnum, len); - if (len < 0) - 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; + len = svc_partial_recvfrom(rqstp, vec, pnum, want, base); + if (len >= 0) + svsk->sk_tcplen += len; + if (len != want) { + if (len < 0 && len != -EAGAIN) + goto err_other; + svc_tcp_save_pages(svsk, rqstp); + dprintk("svc: incomplete TCP record (%d of %d)\n", + svsk->sk_tcplen, svsk->sk_reclen); + goto err_noclose; } - dprintk("svc: TCP complete record (%d bytes)\n", len); - rqstp->rq_arg.len = len; + + rqstp->rq_arg.len = svsk->sk_reclen; rqstp->rq_arg.page_base = 0; - if (len <= rqstp->rq_arg.head[0].iov_len) { - rqstp->rq_arg.head[0].iov_len = len; + if (rqstp->rq_arg.len <= rqstp->rq_arg.head[0].iov_len) { + rqstp->rq_arg.head[0].iov_len = rqstp->rq_arg.len; rqstp->rq_arg.page_len = 0; - } else { - rqstp->rq_arg.page_len = len - rqstp->rq_arg.head[0].iov_len; - } + } else + rqstp->rq_arg.page_len = rqstp->rq_arg.len - rqstp->rq_arg.head[0].iov_len; rqstp->rq_xprt_ctxt = NULL; rqstp->rq_prot = IPPROTO_TCP; -out: + p = (__be32 *)rqstp->rq_arg.head[0].iov_base; + calldir = p[1]; + if (calldir) + len = receive_cb_reply(svsk, rqstp); + /* Reset TCP read info */ svsk->sk_reclen = 0; svsk->sk_tcplen = 0; + /* If we have more data, signal svc_xprt_enqueue() to try again */ + if (svc_recv_available(svsk) > sizeof(rpc_fraghdr)) + set_bit(XPT_DATA, &svsk->sk_xprt.xpt_flags); + + if (len < 0) + goto error; svc_xprt_copy_addrs(rqstp, &svsk->sk_xprt); if (serv->sv_stats) serv->sv_stats->nettcpcnt++; - return len; + dprintk("svc: TCP complete record (%d bytes)\n", rqstp->rq_arg.len); + return rqstp->rq_arg.len; -err_again: - if (len == -EAGAIN) { - dprintk("RPC: TCP recvfrom got EAGAIN\n"); - return len; - } error: - if (len != -EAGAIN) { - printk(KERN_NOTICE "%s: recvfrom returned errno %d\n", - svsk->sk_xprt.xpt_server->sv_name, -len); - set_bit(XPT_CLOSE, &svsk->sk_xprt.xpt_flags); - } + if (len != -EAGAIN) + goto err_other; + dprintk("RPC: TCP recvfrom got EAGAIN\n"); return -EAGAIN; +err_other: + printk(KERN_NOTICE "%s: recvfrom returned errno %d\n", + svsk->sk_xprt.xpt_server->sv_name, -len); + set_bit(XPT_CLOSE, &svsk->sk_xprt.xpt_flags); +err_noclose: + return -EAGAIN; /* record not complete */ } /* @@ -1304,18 +1344,10 @@ static void svc_tcp_init(struct svc_sock *svsk, struct svc_serv *serv) svsk->sk_reclen = 0; svsk->sk_tcplen = 0; + memset(&svsk->sk_pages[0], 0, sizeof(svsk->sk_pages)); tcp_sk(sk)->nonagle |= TCP_NAGLE_OFF; - /* initialise setting must have enough space to - * receive and respond to one request. - * svc_tcp_recvfrom will re-adjust if necessary - */ - svc_sock_setbufsize(svsk->sk_sock, - 3 * svsk->sk_xprt.xpt_server->sv_max_mesg, - 3 * svsk->sk_xprt.xpt_server->sv_max_mesg); - - set_bit(XPT_CHNGBUF, &svsk->sk_xprt.xpt_flags); set_bit(XPT_DATA, &svsk->sk_xprt.xpt_flags); if (sk->sk_state != TCP_ESTABLISHED) set_bit(XPT_CLOSE, &svsk->sk_xprt.xpt_flags); @@ -1379,8 +1411,14 @@ static struct svc_sock *svc_setup_socket(struct svc_serv *serv, /* Initialize the socket */ if (sock->type == SOCK_DGRAM) svc_udp_init(svsk, serv); - else + else { + /* initialise setting must have enough space to + * receive and respond to one request. + */ + svc_sock_setbufsize(svsk->sk_sock, 4 * serv->sv_max_mesg, + 4 * serv->sv_max_mesg); svc_tcp_init(svsk, serv); + } dprintk("svc: svc_setup_socket created %p (inet %p)\n", svsk, svsk->sk_sk); @@ -1562,8 +1600,10 @@ static void svc_tcp_sock_detach(struct svc_xprt *xprt) svc_sock_detach(xprt); - if (!test_bit(XPT_LISTENER, &xprt->xpt_flags)) + if (!test_bit(XPT_LISTENER, &xprt->xpt_flags)) { + svc_tcp_clear_pages(svsk); kernel_sock_shutdown(svsk->sk_sock, SHUT_RDWR); + } } /* diff --git a/net/sunrpc/xdr.c b/net/sunrpc/xdr.c index 679cd674b81d..f008c14ad34c 100644 --- a/net/sunrpc/xdr.c +++ b/net/sunrpc/xdr.c @@ -638,6 +638,25 @@ void xdr_init_decode(struct xdr_stream *xdr, struct xdr_buf *buf, __be32 *p) } EXPORT_SYMBOL_GPL(xdr_init_decode); +/** + * xdr_init_decode - Initialize an xdr_stream for decoding data. + * @xdr: pointer to xdr_stream struct + * @buf: pointer to XDR buffer from which to decode data + * @pages: list of pages to decode into + * @len: length in bytes of buffer in pages + */ +void xdr_init_decode_pages(struct xdr_stream *xdr, struct xdr_buf *buf, + struct page **pages, unsigned int len) +{ + memset(buf, 0, sizeof(*buf)); + buf->pages = pages; + buf->page_len = len; + buf->buflen = len; + buf->len = len; + xdr_init_decode(xdr, buf, NULL); +} +EXPORT_SYMBOL_GPL(xdr_init_decode_pages); + static __be32 * __xdr_inline_decode(struct xdr_stream *xdr, size_t nbytes) { __be32 *p = xdr->p; diff --git a/net/sunrpc/xprtrdma/svc_rdma_transport.c b/net/sunrpc/xprtrdma/svc_rdma_transport.c index 6c014dd3a20b..c3c232a88d94 100644 --- a/net/sunrpc/xprtrdma/svc_rdma_transport.c +++ b/net/sunrpc/xprtrdma/svc_rdma_transport.c @@ -695,7 +695,8 @@ static struct svc_xprt *svc_rdma_create(struct svc_serv *serv, return ERR_PTR(-ENOMEM); xprt = &cma_xprt->sc_xprt; - listen_id = rdma_create_id(rdma_listen_handler, cma_xprt, RDMA_PS_TCP); + listen_id = rdma_create_id(rdma_listen_handler, cma_xprt, RDMA_PS_TCP, + IB_QPT_RC); if (IS_ERR(listen_id)) { ret = PTR_ERR(listen_id); dprintk("svcrdma: rdma_create_id failed = %d\n", ret); diff --git a/net/sunrpc/xprtrdma/verbs.c b/net/sunrpc/xprtrdma/verbs.c index d4297dc43dc4..80f8da344df5 100644 --- a/net/sunrpc/xprtrdma/verbs.c +++ b/net/sunrpc/xprtrdma/verbs.c @@ -387,7 +387,7 @@ rpcrdma_create_id(struct rpcrdma_xprt *xprt, init_completion(&ia->ri_done); - id = rdma_create_id(rpcrdma_conn_upcall, xprt, RDMA_PS_TCP); + id = rdma_create_id(rpcrdma_conn_upcall, xprt, RDMA_PS_TCP, IB_QPT_RC); if (IS_ERR(id)) { rc = PTR_ERR(id); dprintk("RPC: %s: rdma_create_id() failed %i\n", diff --git a/net/sunrpc/xprtsock.c b/net/sunrpc/xprtsock.c index bf005d3c65ef..72abb7358933 100644 --- a/net/sunrpc/xprtsock.c +++ b/net/sunrpc/xprtsock.c @@ -19,6 +19,7 @@ */ #include <linux/types.h> +#include <linux/string.h> #include <linux/slab.h> #include <linux/module.h> #include <linux/capability.h> @@ -28,6 +29,7 @@ #include <linux/in.h> #include <linux/net.h> #include <linux/mm.h> +#include <linux/un.h> #include <linux/udp.h> #include <linux/tcp.h> #include <linux/sunrpc/clnt.h> @@ -45,6 +47,9 @@ #include <net/tcp.h> #include "sunrpc.h" + +static void xs_close(struct rpc_xprt *xprt); + /* * xprtsock tunables */ @@ -261,6 +266,11 @@ static inline struct sockaddr *xs_addr(struct rpc_xprt *xprt) return (struct sockaddr *) &xprt->addr; } +static inline struct sockaddr_un *xs_addr_un(struct rpc_xprt *xprt) +{ + return (struct sockaddr_un *) &xprt->addr; +} + static inline struct sockaddr_in *xs_addr_in(struct rpc_xprt *xprt) { return (struct sockaddr_in *) &xprt->addr; @@ -276,23 +286,34 @@ static void xs_format_common_peer_addresses(struct rpc_xprt *xprt) struct sockaddr *sap = xs_addr(xprt); struct sockaddr_in6 *sin6; struct sockaddr_in *sin; + struct sockaddr_un *sun; char buf[128]; - (void)rpc_ntop(sap, buf, sizeof(buf)); - xprt->address_strings[RPC_DISPLAY_ADDR] = kstrdup(buf, GFP_KERNEL); - switch (sap->sa_family) { + case AF_LOCAL: + sun = xs_addr_un(xprt); + strlcpy(buf, sun->sun_path, sizeof(buf)); + xprt->address_strings[RPC_DISPLAY_ADDR] = + kstrdup(buf, GFP_KERNEL); + break; case AF_INET: + (void)rpc_ntop(sap, buf, sizeof(buf)); + xprt->address_strings[RPC_DISPLAY_ADDR] = + kstrdup(buf, GFP_KERNEL); sin = xs_addr_in(xprt); snprintf(buf, sizeof(buf), "%08x", ntohl(sin->sin_addr.s_addr)); break; case AF_INET6: + (void)rpc_ntop(sap, buf, sizeof(buf)); + xprt->address_strings[RPC_DISPLAY_ADDR] = + kstrdup(buf, GFP_KERNEL); sin6 = xs_addr_in6(xprt); snprintf(buf, sizeof(buf), "%pi6", &sin6->sin6_addr); break; default: BUG(); } + xprt->address_strings[RPC_DISPLAY_HEX_ADDR] = kstrdup(buf, GFP_KERNEL); } @@ -495,6 +516,70 @@ static int xs_nospace(struct rpc_task *task) return ret; } +/* + * Construct a stream transport record marker in @buf. + */ +static inline void xs_encode_stream_record_marker(struct xdr_buf *buf) +{ + u32 reclen = buf->len - sizeof(rpc_fraghdr); + rpc_fraghdr *base = buf->head[0].iov_base; + *base = cpu_to_be32(RPC_LAST_STREAM_FRAGMENT | reclen); +} + +/** + * xs_local_send_request - write an RPC request to an AF_LOCAL socket + * @task: RPC task that manages the state of an RPC request + * + * Return values: + * 0: The request has been sent + * EAGAIN: The socket was blocked, please call again later to + * complete the request + * ENOTCONN: Caller needs to invoke connect logic then call again + * other: Some other error occured, the request was not sent + */ +static int xs_local_send_request(struct rpc_task *task) +{ + struct rpc_rqst *req = task->tk_rqstp; + struct rpc_xprt *xprt = req->rq_xprt; + struct sock_xprt *transport = + container_of(xprt, struct sock_xprt, xprt); + struct xdr_buf *xdr = &req->rq_snd_buf; + int status; + + xs_encode_stream_record_marker(&req->rq_snd_buf); + + xs_pktdump("packet data:", + req->rq_svec->iov_base, req->rq_svec->iov_len); + + status = xs_sendpages(transport->sock, NULL, 0, + xdr, req->rq_bytes_sent); + dprintk("RPC: %s(%u) = %d\n", + __func__, xdr->len - req->rq_bytes_sent, status); + if (likely(status >= 0)) { + req->rq_bytes_sent += status; + req->rq_xmit_bytes_sent += status; + if (likely(req->rq_bytes_sent >= req->rq_slen)) { + req->rq_bytes_sent = 0; + return 0; + } + status = -EAGAIN; + } + + switch (status) { + case -EAGAIN: + status = xs_nospace(task); + break; + default: + dprintk("RPC: sendmsg returned unrecognized error %d\n", + -status); + case -EPIPE: + xs_close(xprt); + status = -ENOTCONN; + } + + return status; +} + /** * xs_udp_send_request - write an RPC request to a UDP socket * @task: address of RPC task that manages the state of an RPC request @@ -574,13 +659,6 @@ static void xs_tcp_shutdown(struct rpc_xprt *xprt) kernel_sock_shutdown(sock, SHUT_WR); } -static inline void xs_encode_tcp_record_marker(struct xdr_buf *buf) -{ - u32 reclen = buf->len - sizeof(rpc_fraghdr); - rpc_fraghdr *base = buf->head[0].iov_base; - *base = htonl(RPC_LAST_STREAM_FRAGMENT | reclen); -} - /** * xs_tcp_send_request - write an RPC request to a TCP socket * @task: address of RPC task that manages the state of an RPC request @@ -603,7 +681,7 @@ static int xs_tcp_send_request(struct rpc_task *task) struct xdr_buf *xdr = &req->rq_snd_buf; int status; - xs_encode_tcp_record_marker(&req->rq_snd_buf); + xs_encode_stream_record_marker(&req->rq_snd_buf); xs_pktdump("packet data:", req->rq_svec->iov_base, @@ -785,6 +863,88 @@ static inline struct rpc_xprt *xprt_from_sock(struct sock *sk) return (struct rpc_xprt *) sk->sk_user_data; } +static int xs_local_copy_to_xdr(struct xdr_buf *xdr, struct sk_buff *skb) +{ + struct xdr_skb_reader desc = { + .skb = skb, + .offset = sizeof(rpc_fraghdr), + .count = skb->len - sizeof(rpc_fraghdr), + }; + + if (xdr_partial_copy_from_skb(xdr, 0, &desc, xdr_skb_read_bits) < 0) + return -1; + if (desc.count) + return -1; + return 0; +} + +/** + * xs_local_data_ready - "data ready" callback for AF_LOCAL sockets + * @sk: socket with data to read + * @len: how much data to read + * + * Currently this assumes we can read the whole reply in a single gulp. + */ +static void xs_local_data_ready(struct sock *sk, int len) +{ + struct rpc_task *task; + struct rpc_xprt *xprt; + struct rpc_rqst *rovr; + struct sk_buff *skb; + int err, repsize, copied; + u32 _xid; + __be32 *xp; + + read_lock_bh(&sk->sk_callback_lock); + dprintk("RPC: %s...\n", __func__); + xprt = xprt_from_sock(sk); + if (xprt == NULL) + goto out; + + skb = skb_recv_datagram(sk, 0, 1, &err); + if (skb == NULL) + goto out; + + if (xprt->shutdown) + goto dropit; + + repsize = skb->len - sizeof(rpc_fraghdr); + if (repsize < 4) { + dprintk("RPC: impossible RPC reply size %d\n", repsize); + goto dropit; + } + + /* Copy the XID from the skb... */ + xp = skb_header_pointer(skb, sizeof(rpc_fraghdr), sizeof(_xid), &_xid); + if (xp == NULL) + goto dropit; + + /* Look up and lock the request corresponding to the given XID */ + spin_lock(&xprt->transport_lock); + rovr = xprt_lookup_rqst(xprt, *xp); + if (!rovr) + goto out_unlock; + task = rovr->rq_task; + + copied = rovr->rq_private_buf.buflen; + if (copied > repsize) + copied = repsize; + + if (xs_local_copy_to_xdr(&rovr->rq_private_buf, skb)) { + dprintk("RPC: sk_buff copy failed\n"); + goto out_unlock; + } + + xprt_complete_rqst(task, copied); + + out_unlock: + spin_unlock(&xprt->transport_lock); + dropit: + skb_free_datagram(sk, skb); + out: + read_unlock_bh(&sk->sk_callback_lock); +} + /** * xs_udp_data_ready - "data ready" callback for UDP sockets * @sk: socket with data to read @@ -1344,7 +1504,6 @@ static void xs_tcp_state_change(struct sock *sk) case TCP_CLOSE_WAIT: /* The server initiated a shutdown of the socket */ xprt_force_disconnect(xprt); - case TCP_SYN_SENT: xprt->connect_cookie++; case TCP_CLOSING: /* @@ -1571,11 +1730,31 @@ static int xs_bind(struct sock_xprt *transport, struct socket *sock) return err; } +/* + * We don't support autobind on AF_LOCAL sockets + */ +static void xs_local_rpcbind(struct rpc_task *task) +{ + xprt_set_bound(task->tk_xprt); +} + +static void xs_local_set_port(struct rpc_xprt *xprt, unsigned short port) +{ +} #ifdef CONFIG_DEBUG_LOCK_ALLOC static struct lock_class_key xs_key[2]; static struct lock_class_key xs_slock_key[2]; +static inline void xs_reclassify_socketu(struct socket *sock) +{ + struct sock *sk = sock->sk; + + BUG_ON(sock_owned_by_user(sk)); + sock_lock_init_class_and_name(sk, "slock-AF_LOCAL-RPC", + &xs_slock_key[1], "sk_lock-AF_LOCAL-RPC", &xs_key[1]); +} + static inline void xs_reclassify_socket4(struct socket *sock) { struct sock *sk = sock->sk; @@ -1597,6 +1776,9 @@ static inline void xs_reclassify_socket6(struct socket *sock) static inline void xs_reclassify_socket(int family, struct socket *sock) { switch (family) { + case AF_LOCAL: + xs_reclassify_socketu(sock); + break; case AF_INET: xs_reclassify_socket4(sock); break; @@ -1606,6 +1788,10 @@ static inline void xs_reclassify_socket(int family, struct socket *sock) } } #else +static inline void xs_reclassify_socketu(struct socket *sock) +{ +} + static inline void xs_reclassify_socket4(struct socket *sock) { } @@ -1644,6 +1830,94 @@ out: return ERR_PTR(err); } +static int xs_local_finish_connecting(struct rpc_xprt *xprt, + struct socket *sock) +{ + struct sock_xprt *transport = container_of(xprt, struct sock_xprt, + xprt); + + if (!transport->inet) { + struct sock *sk = sock->sk; + + write_lock_bh(&sk->sk_callback_lock); + + xs_save_old_callbacks(transport, sk); + + sk->sk_user_data = xprt; + sk->sk_data_ready = xs_local_data_ready; + sk->sk_write_space = xs_udp_write_space; + sk->sk_error_report = xs_error_report; + sk->sk_allocation = GFP_ATOMIC; + + xprt_clear_connected(xprt); + + /* Reset to new socket */ + transport->sock = sock; + transport->inet = sk; + + write_unlock_bh(&sk->sk_callback_lock); + } + + /* Tell the socket layer to start connecting... */ + xprt->stat.connect_count++; + xprt->stat.connect_start = jiffies; + return kernel_connect(sock, xs_addr(xprt), xprt->addrlen, 0); +} + +/** + * xs_local_setup_socket - create AF_LOCAL socket, connect to a local endpoint + * @xprt: RPC transport to connect + * @transport: socket transport to connect + * @create_sock: function to create a socket of the correct type + * + * Invoked by a work queue tasklet. + */ +static void xs_local_setup_socket(struct work_struct *work) +{ + struct sock_xprt *transport = + container_of(work, struct sock_xprt, connect_worker.work); + struct rpc_xprt *xprt = &transport->xprt; + struct socket *sock; + int status = -EIO; + + if (xprt->shutdown) + goto out; + + clear_bit(XPRT_CONNECTION_ABORT, &xprt->state); + status = __sock_create(xprt->xprt_net, AF_LOCAL, + SOCK_STREAM, 0, &sock, 1); + if (status < 0) { + dprintk("RPC: can't create AF_LOCAL " + "transport socket (%d).\n", -status); + goto out; + } + xs_reclassify_socketu(sock); + + dprintk("RPC: worker connecting xprt %p via AF_LOCAL to %s\n", + xprt, xprt->address_strings[RPC_DISPLAY_ADDR]); + + status = xs_local_finish_connecting(xprt, sock); + switch (status) { + case 0: + dprintk("RPC: xprt %p connected to %s\n", + xprt, xprt->address_strings[RPC_DISPLAY_ADDR]); + xprt_set_connected(xprt); + break; + case -ENOENT: + dprintk("RPC: xprt %p: socket %s does not exist\n", + xprt, xprt->address_strings[RPC_DISPLAY_ADDR]); + break; + default: + printk(KERN_ERR "%s: unhandled error (%d) connecting to %s\n", + __func__, -status, + xprt->address_strings[RPC_DISPLAY_ADDR]); + } + +out: + xprt_clear_connecting(xprt); + xprt_wake_pending_tasks(xprt, status); +} + static void xs_udp_finish_connecting(struct rpc_xprt *xprt, struct socket *sock) { struct sock_xprt *transport = container_of(xprt, struct sock_xprt, xprt); @@ -1758,6 +2032,7 @@ static void xs_tcp_reuse_connection(struct sock_xprt *transport) static int xs_tcp_finish_connecting(struct rpc_xprt *xprt, struct socket *sock) { struct sock_xprt *transport = container_of(xprt, struct sock_xprt, xprt); + int ret = -ENOTCONN; if (!transport->inet) { struct sock *sk = sock->sk; @@ -1789,12 +2064,22 @@ static int xs_tcp_finish_connecting(struct rpc_xprt *xprt, struct socket *sock) } if (!xprt_bound(xprt)) - return -ENOTCONN; + goto out; /* Tell the socket layer to start connecting... */ xprt->stat.connect_count++; xprt->stat.connect_start = jiffies; - return kernel_connect(sock, xs_addr(xprt), xprt->addrlen, O_NONBLOCK); + ret = kernel_connect(sock, xs_addr(xprt), xprt->addrlen, O_NONBLOCK); + switch (ret) { + case 0: + case -EINPROGRESS: + /* SYN_SENT! */ + xprt->connect_cookie++; + if (xprt->reestablish_timeout < XS_TCP_INIT_REEST_TO) + xprt->reestablish_timeout = XS_TCP_INIT_REEST_TO; + } +out: + return ret; } /** @@ -1917,6 +2202,32 @@ static void xs_connect(struct rpc_task *task) } /** + * xs_local_print_stats - display AF_LOCAL socket-specifc stats + * @xprt: rpc_xprt struct containing statistics + * @seq: output file + * + */ +static void xs_local_print_stats(struct rpc_xprt *xprt, struct seq_file *seq) +{ + long idle_time = 0; + + if (xprt_connected(xprt)) + idle_time = (long)(jiffies - xprt->last_used) / HZ; + + seq_printf(seq, "\txprt:\tlocal %lu %lu %lu %ld %lu %lu %lu " + "%llu %llu\n", + xprt->stat.bind_count, + xprt->stat.connect_count, + xprt->stat.connect_time, + idle_time, + xprt->stat.sends, + xprt->stat.recvs, + xprt->stat.bad_xids, + xprt->stat.req_u, + xprt->stat.bklog_u); +} + +/** * xs_udp_print_stats - display UDP socket-specifc stats * @xprt: rpc_xprt struct containing statistics * @seq: output file @@ -2014,10 +2325,7 @@ static int bc_sendto(struct rpc_rqst *req) unsigned long headoff; unsigned long tailoff; - /* - * Set up the rpc header and record marker stuff - */ - xs_encode_tcp_record_marker(xbufp); + xs_encode_stream_record_marker(xbufp); tailoff = (unsigned long)xbufp->tail[0].iov_base & ~PAGE_MASK; headoff = (unsigned long)xbufp->head[0].iov_base & ~PAGE_MASK; @@ -2089,6 +2397,21 @@ static void bc_destroy(struct rpc_xprt *xprt) { } +static struct rpc_xprt_ops xs_local_ops = { + .reserve_xprt = xprt_reserve_xprt, + .release_xprt = xs_tcp_release_xprt, + .rpcbind = xs_local_rpcbind, + .set_port = xs_local_set_port, + .connect = xs_connect, + .buf_alloc = rpc_malloc, + .buf_free = rpc_free, + .send_request = xs_local_send_request, + .set_retrans_timeout = xprt_set_retrans_timeout_def, + .close = xs_close, + .destroy = xs_destroy, + .print_stats = xs_local_print_stats, +}; + static struct rpc_xprt_ops xs_udp_ops = { .set_buffer_size = xs_udp_set_buffer_size, .reserve_xprt = xprt_reserve_xprt_cong, @@ -2150,6 +2473,8 @@ static int xs_init_anyaddr(const int family, struct sockaddr *sap) }; switch (family) { + case AF_LOCAL: + break; case AF_INET: memcpy(sap, &sin, sizeof(sin)); break; @@ -2197,6 +2522,70 @@ static struct rpc_xprt *xs_setup_xprt(struct xprt_create *args, return xprt; } +static const struct rpc_timeout xs_local_default_timeout = { + .to_initval = 10 * HZ, + .to_maxval = 10 * HZ, + .to_retries = 2, +}; + +/** + * xs_setup_local - Set up transport to use an AF_LOCAL socket + * @args: rpc transport creation arguments + * + * AF_LOCAL is a "tpi_cots_ord" transport, just like TCP + */ +static struct rpc_xprt *xs_setup_local(struct xprt_create *args) +{ + struct sockaddr_un *sun = (struct sockaddr_un *)args->dstaddr; + struct sock_xprt *transport; + struct rpc_xprt *xprt; + struct rpc_xprt *ret; + + 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 = 0; + xprt->tsh_size = sizeof(rpc_fraghdr) / sizeof(u32); + xprt->max_payload = RPC_MAX_FRAGMENT_SIZE; + + xprt->bind_timeout = XS_BIND_TO; + xprt->reestablish_timeout = XS_TCP_INIT_REEST_TO; + xprt->idle_timeout = XS_IDLE_DISC_TO; + + xprt->ops = &xs_local_ops; + xprt->timeout = &xs_local_default_timeout; + + switch (sun->sun_family) { + case AF_LOCAL: + if (sun->sun_path[0] != '/') { + dprintk("RPC: bad AF_LOCAL address: %s\n", + sun->sun_path); + ret = ERR_PTR(-EINVAL); + goto out_err; + } + xprt_set_bound(xprt); + INIT_DELAYED_WORK(&transport->connect_worker, + xs_local_setup_socket); + xs_format_peer_addresses(xprt, "local", RPCBIND_NETID_LOCAL); + break; + default: + ret = ERR_PTR(-EAFNOSUPPORT); + goto out_err; + } + + dprintk("RPC: set up xprt to %s via AF_LOCAL\n", + xprt->address_strings[RPC_DISPLAY_ADDR]); + + if (try_module_get(THIS_MODULE)) + return xprt; + ret = ERR_PTR(-EINVAL); +out_err: + xprt_free(xprt); + return ret; +} + static const struct rpc_timeout xs_udp_default_timeout = { .to_initval = 5 * HZ, .to_maxval = 30 * HZ, @@ -2438,6 +2827,14 @@ out_err: return ret; } +static struct xprt_class xs_local_transport = { + .list = LIST_HEAD_INIT(xs_local_transport.list), + .name = "named UNIX socket", + .owner = THIS_MODULE, + .ident = XPRT_TRANSPORT_LOCAL, + .setup = xs_setup_local, +}; + static struct xprt_class xs_udp_transport = { .list = LIST_HEAD_INIT(xs_udp_transport.list), .name = "udp", @@ -2473,6 +2870,7 @@ int init_socket_xprt(void) sunrpc_table_header = register_sysctl_table(sunrpc_table); #endif + xprt_register_transport(&xs_local_transport); xprt_register_transport(&xs_udp_transport); xprt_register_transport(&xs_tcp_transport); xprt_register_transport(&xs_bc_tcp_transport); @@ -2493,6 +2891,7 @@ void cleanup_socket_xprt(void) } #endif + xprt_unregister_transport(&xs_local_transport); xprt_unregister_transport(&xs_udp_transport); xprt_unregister_transport(&xs_tcp_transport); xprt_unregister_transport(&xs_bc_tcp_transport); diff --git a/net/xfrm/xfrm_replay.c b/net/xfrm/xfrm_replay.c index 47f1b8638df9..b11ea692bd7d 100644 --- a/net/xfrm/xfrm_replay.c +++ b/net/xfrm/xfrm_replay.c @@ -265,7 +265,7 @@ static void xfrm_replay_advance_bmp(struct xfrm_state *x, __be32 net_seq) bitnr = bitnr & 0x1F; replay_esn->bmp[nr] |= (1U << bitnr); } else { - nr = replay_esn->replay_window >> 5; + nr = (replay_esn->replay_window - 1) >> 5; for (i = 0; i <= nr; i++) replay_esn->bmp[i] = 0; @@ -471,7 +471,7 @@ static void xfrm_replay_advance_esn(struct xfrm_state *x, __be32 net_seq) bitnr = bitnr & 0x1F; replay_esn->bmp[nr] |= (1U << bitnr); } else { - nr = replay_esn->replay_window >> 5; + nr = (replay_esn->replay_window - 1) >> 5; for (i = 0; i <= nr; i++) replay_esn->bmp[i] = 0; |