diff options
Diffstat (limited to 'net')
53 files changed, 379 insertions, 291 deletions
diff --git a/net/8021q/vlan.c b/net/8021q/vlan.c index 8836575f9d7..a29c5ab5815 100644 --- a/net/8021q/vlan.c +++ b/net/8021q/vlan.c @@ -281,8 +281,11 @@ out_uninit_applicant: if (ngrp) vlan_gvrp_uninit_applicant(real_dev); out_free_group: - if (ngrp) - vlan_group_free(ngrp); + if (ngrp) { + hlist_del_rcu(&ngrp->hlist); + /* Free the group, after all cpu's are done. */ + call_rcu(&ngrp->rcu, vlan_rcu_free); + } return err; } diff --git a/net/9p/client.c b/net/9p/client.c index 5bf5f227dbe..8af95b2dddd 100644 --- a/net/9p/client.c +++ b/net/9p/client.c @@ -582,11 +582,9 @@ static struct p9_fid *p9_fid_create(struct p9_client *clnt) memset(&fid->qid, 0, sizeof(struct p9_qid)); fid->mode = -1; - fid->rdir_fpos = 0; fid->uid = current_fsuid(); fid->clnt = clnt; - fid->aux = NULL; - + fid->rdir = NULL; spin_lock_irqsave(&clnt->lock, flags); list_add(&fid->flist, &clnt->fidlist); spin_unlock_irqrestore(&clnt->lock, flags); @@ -609,6 +607,7 @@ static void p9_fid_destroy(struct p9_fid *fid) spin_lock_irqsave(&clnt->lock, flags); list_del(&fid->flist); spin_unlock_irqrestore(&clnt->lock, flags); + kfree(fid->rdir); kfree(fid); } diff --git a/net/bluetooth/hci_conn.c b/net/bluetooth/hci_conn.c index a9750984f77..b7c4224f4e7 100644 --- a/net/bluetooth/hci_conn.c +++ b/net/bluetooth/hci_conn.c @@ -211,6 +211,7 @@ struct hci_conn *hci_conn_add(struct hci_dev *hdev, int type, bdaddr_t *dst) conn->type = type; conn->mode = HCI_CM_ACTIVE; conn->state = BT_OPEN; + conn->auth_type = HCI_AT_GENERAL_BONDING; conn->power_save = 1; conn->disc_timeout = HCI_DISCONN_TIMEOUT; diff --git a/net/bluetooth/l2cap.c b/net/bluetooth/l2cap.c index 77e9fb130ad..947f8bbb4bb 100644 --- a/net/bluetooth/l2cap.c +++ b/net/bluetooth/l2cap.c @@ -2205,7 +2205,7 @@ static int l2cap_build_conf_req(struct sock *sk, void *data) { struct l2cap_pinfo *pi = l2cap_pi(sk); struct l2cap_conf_req *req = data; - struct l2cap_conf_rfc rfc = { .mode = L2CAP_MODE_ERTM }; + struct l2cap_conf_rfc rfc = { .mode = L2CAP_MODE_BASIC }; void *ptr = req->data; BT_DBG("sk %p", sk); @@ -2394,6 +2394,10 @@ done: rfc.monitor_timeout = L2CAP_DEFAULT_MONITOR_TO; pi->conf_state |= L2CAP_CONF_MODE_DONE; + + l2cap_add_conf_opt(&ptr, L2CAP_CONF_RFC, + sizeof(rfc), (unsigned long) &rfc); + break; case L2CAP_MODE_STREAMING: @@ -2401,6 +2405,10 @@ done: pi->max_pdu_size = rfc.max_pdu_size; pi->conf_state |= L2CAP_CONF_MODE_DONE; + + l2cap_add_conf_opt(&ptr, L2CAP_CONF_RFC, + sizeof(rfc), (unsigned long) &rfc); + break; default: @@ -2410,9 +2418,6 @@ done: rfc.mode = pi->mode; } - l2cap_add_conf_opt(&ptr, L2CAP_CONF_RFC, - sizeof(rfc), (unsigned long) &rfc); - if (result == L2CAP_CONF_SUCCESS) pi->conf_state |= L2CAP_CONF_OUTPUT_DONE; } diff --git a/net/bridge/br_if.c b/net/bridge/br_if.c index b1b3b0fbf41..4a9f5273265 100644 --- a/net/bridge/br_if.c +++ b/net/bridge/br_if.c @@ -377,12 +377,16 @@ int br_add_if(struct net_bridge *br, struct net_device *dev) struct net_bridge_port *p; int err = 0; - if (dev->flags & IFF_LOOPBACK || dev->type != ARPHRD_ETHER) + /* Don't allow bridging non-ethernet like devices */ + if ((dev->flags & IFF_LOOPBACK) || + dev->type != ARPHRD_ETHER || dev->addr_len != ETH_ALEN) return -EINVAL; + /* No bridging of bridges */ if (dev->netdev_ops->ndo_start_xmit == br_dev_xmit) return -ELOOP; + /* Device is already being bridged */ if (dev->br_port != NULL) return -EBUSY; diff --git a/net/can/bcm.c b/net/can/bcm.c index 597da4f8f88..e8d58f33fe0 100644 --- a/net/can/bcm.c +++ b/net/can/bcm.c @@ -132,23 +132,27 @@ static inline struct bcm_sock *bcm_sk(const struct sock *sk) /* * procfs functions */ -static char *bcm_proc_getifname(int ifindex) +static char *bcm_proc_getifname(char *result, int ifindex) { struct net_device *dev; if (!ifindex) return "any"; - /* no usage counting */ + read_lock(&dev_base_lock); dev = __dev_get_by_index(&init_net, ifindex); if (dev) - return dev->name; + strcpy(result, dev->name); + else + strcpy(result, "???"); + read_unlock(&dev_base_lock); - return "???"; + return result; } static int bcm_proc_show(struct seq_file *m, void *v) { + char ifname[IFNAMSIZ]; struct sock *sk = (struct sock *)m->private; struct bcm_sock *bo = bcm_sk(sk); struct bcm_op *op; @@ -157,7 +161,7 @@ static int bcm_proc_show(struct seq_file *m, void *v) seq_printf(m, " / sk %p", sk); seq_printf(m, " / bo %p", bo); seq_printf(m, " / dropped %lu", bo->dropped_usr_msgs); - seq_printf(m, " / bound %s", bcm_proc_getifname(bo->ifindex)); + seq_printf(m, " / bound %s", bcm_proc_getifname(ifname, bo->ifindex)); seq_printf(m, " <<<\n"); list_for_each_entry(op, &bo->rx_ops, list) { @@ -169,7 +173,7 @@ static int bcm_proc_show(struct seq_file *m, void *v) continue; seq_printf(m, "rx_op: %03X %-5s ", - op->can_id, bcm_proc_getifname(op->ifindex)); + op->can_id, bcm_proc_getifname(ifname, op->ifindex)); seq_printf(m, "[%d]%c ", op->nframes, (op->flags & RX_CHECK_DLC)?'d':' '); if (op->kt_ival1.tv64) @@ -194,7 +198,8 @@ static int bcm_proc_show(struct seq_file *m, void *v) list_for_each_entry(op, &bo->tx_ops, list) { seq_printf(m, "tx_op: %03X %s [%d] ", - op->can_id, bcm_proc_getifname(op->ifindex), + op->can_id, + bcm_proc_getifname(ifname, op->ifindex), op->nframes); if (op->kt_ival1.tv64) diff --git a/net/core/datagram.c b/net/core/datagram.c index 1c6cf3a1a4f..4ade3011bb3 100644 --- a/net/core/datagram.c +++ b/net/core/datagram.c @@ -224,6 +224,15 @@ void skb_free_datagram(struct sock *sk, struct sk_buff *skb) consume_skb(skb); sk_mem_reclaim_partial(sk); } +EXPORT_SYMBOL(skb_free_datagram); + +void skb_free_datagram_locked(struct sock *sk, struct sk_buff *skb) +{ + lock_sock(sk); + skb_free_datagram(sk, skb); + release_sock(sk); +} +EXPORT_SYMBOL(skb_free_datagram_locked); /** * skb_kill_datagram - Free a datagram skbuff forcibly @@ -752,5 +761,4 @@ unsigned int datagram_poll(struct file *file, struct socket *sock, EXPORT_SYMBOL(datagram_poll); EXPORT_SYMBOL(skb_copy_and_csum_datagram_iovec); EXPORT_SYMBOL(skb_copy_datagram_iovec); -EXPORT_SYMBOL(skb_free_datagram); EXPORT_SYMBOL(skb_recv_datagram); diff --git a/net/core/dev.c b/net/core/dev.c index b8f74cfb1bf..fe10551d367 100644 --- a/net/core/dev.c +++ b/net/core/dev.c @@ -942,14 +942,15 @@ rollback: ret = notifier_to_errno(ret); if (ret) { - if (err) { - printk(KERN_ERR - "%s: name change rollback failed: %d.\n", - dev->name, ret); - } else { + /* err >= 0 after dev_alloc_name() or stores the first errno */ + if (err >= 0) { err = ret; memcpy(dev->name, oldname, IFNAMSIZ); goto rollback; + } else { + printk(KERN_ERR + "%s: name change rollback failed: %d.\n", + dev->name, ret); } } diff --git a/net/core/pktgen.c b/net/core/pktgen.c index 86acdba0a97..6e79e96cb4f 100644 --- a/net/core/pktgen.c +++ b/net/core/pktgen.c @@ -335,6 +335,7 @@ struct pktgen_dev { __u32 cur_src_mac_offset; __be32 cur_saddr; __be32 cur_daddr; + __u16 ip_id; __u16 cur_udp_dst; __u16 cur_udp_src; __u16 cur_queue_map; @@ -362,6 +363,7 @@ struct pktgen_dev { * device name (not when the inject is * started as it used to do.) */ + char odevname[32]; struct flow_state *flows; unsigned cflows; /* Concurrent flows (config) */ unsigned lflow; /* Flow length (config) */ @@ -425,7 +427,7 @@ static const char version[] = static int pktgen_remove_device(struct pktgen_thread *t, struct pktgen_dev *i); static int pktgen_add_device(struct pktgen_thread *t, const char *ifname); static struct pktgen_dev *pktgen_find_dev(struct pktgen_thread *t, - const char *ifname); + const char *ifname, bool exact); static int pktgen_device_event(struct notifier_block *, unsigned long, void *); static void pktgen_run_all_threads(void); static void pktgen_reset_all_threads(void); @@ -527,7 +529,7 @@ static int pktgen_if_show(struct seq_file *seq, void *v) seq_printf(seq, " frags: %d delay: %llu clone_skb: %d ifname: %s\n", pkt_dev->nfrags, (unsigned long long) pkt_dev->delay, - pkt_dev->clone_skb, pkt_dev->odev->name); + pkt_dev->clone_skb, pkt_dev->odevname); seq_printf(seq, " flows: %u flowlen: %u\n", pkt_dev->cflows, pkt_dev->lflow); @@ -1687,13 +1689,13 @@ static int pktgen_thread_show(struct seq_file *seq, void *v) if_lock(t); list_for_each_entry(pkt_dev, &t->if_list, list) if (pkt_dev->running) - seq_printf(seq, "%s ", pkt_dev->odev->name); + seq_printf(seq, "%s ", pkt_dev->odevname); seq_printf(seq, "\nStopped: "); list_for_each_entry(pkt_dev, &t->if_list, list) if (!pkt_dev->running) - seq_printf(seq, "%s ", pkt_dev->odev->name); + seq_printf(seq, "%s ", pkt_dev->odevname); if (t->result[0]) seq_printf(seq, "\nResult: %s\n", t->result); @@ -1816,9 +1818,10 @@ static struct pktgen_dev *__pktgen_NN_threads(const char *ifname, int remove) { struct pktgen_thread *t; struct pktgen_dev *pkt_dev = NULL; + bool exact = (remove == FIND); list_for_each_entry(t, &pktgen_threads, th_list) { - pkt_dev = pktgen_find_dev(t, ifname); + pkt_dev = pktgen_find_dev(t, ifname, exact); if (pkt_dev) { if (remove) { if_lock(t); @@ -1993,7 +1996,7 @@ static void pktgen_setup_inject(struct pktgen_dev *pkt_dev) "queue_map_min (zero-based) (%d) exceeds valid range " "[0 - %d] for (%d) queues on %s, resetting\n", pkt_dev->queue_map_min, (ntxq ?: 1) - 1, ntxq, - pkt_dev->odev->name); + pkt_dev->odevname); pkt_dev->queue_map_min = ntxq - 1; } if (pkt_dev->queue_map_max >= ntxq) { @@ -2001,7 +2004,7 @@ static void pktgen_setup_inject(struct pktgen_dev *pkt_dev) "queue_map_max (zero-based) (%d) exceeds valid range " "[0 - %d] for (%d) queues on %s, resetting\n", pkt_dev->queue_map_max, (ntxq ?: 1) - 1, ntxq, - pkt_dev->odev->name); + pkt_dev->odevname); pkt_dev->queue_map_max = ntxq - 1; } @@ -2630,6 +2633,8 @@ static struct sk_buff *fill_packet_ipv4(struct net_device *odev, iph->protocol = IPPROTO_UDP; /* UDP */ iph->saddr = pkt_dev->cur_saddr; iph->daddr = pkt_dev->cur_daddr; + iph->id = htons(pkt_dev->ip_id); + pkt_dev->ip_id++; iph->frag_off = 0; iplen = 20 + 8 + datalen; iph->tot_len = htons(iplen); @@ -2641,24 +2646,26 @@ static struct sk_buff *fill_packet_ipv4(struct net_device *odev, skb->dev = odev; skb->pkt_type = PACKET_HOST; - if (pkt_dev->nfrags <= 0) + if (pkt_dev->nfrags <= 0) { pgh = (struct pktgen_hdr *)skb_put(skb, datalen); - else { + memset(pgh + 1, 0, datalen - sizeof(struct pktgen_hdr)); + } else { int frags = pkt_dev->nfrags; - int i; + int i, len; pgh = (struct pktgen_hdr *)(((char *)(udph)) + 8); if (frags > MAX_SKB_FRAGS) frags = MAX_SKB_FRAGS; if (datalen > frags * PAGE_SIZE) { - skb_put(skb, datalen - frags * PAGE_SIZE); + len = datalen - frags * PAGE_SIZE; + memset(skb_put(skb, len), 0, len); datalen = frags * PAGE_SIZE; } i = 0; while (datalen > 0) { - struct page *page = alloc_pages(GFP_KERNEL, 0); + struct page *page = alloc_pages(GFP_KERNEL | __GFP_ZERO, 0); skb_shinfo(skb)->frags[i].page = page; skb_shinfo(skb)->frags[i].page_offset = 0; skb_shinfo(skb)->frags[i].size = @@ -3257,7 +3264,7 @@ static int pktgen_stop_device(struct pktgen_dev *pkt_dev) if (!pkt_dev->running) { printk(KERN_WARNING "pktgen: interface: %s is already " - "stopped\n", pkt_dev->odev->name); + "stopped\n", pkt_dev->odevname); return -EINVAL; } @@ -3459,7 +3466,7 @@ static void pktgen_xmit(struct pktgen_dev *pkt_dev) default: /* Drivers are not supposed to return other values! */ if (net_ratelimit()) pr_info("pktgen: %s xmit error: %d\n", - odev->name, ret); + pkt_dev->odevname, ret); pkt_dev->errors++; /* fallthru */ case NETDEV_TX_LOCKED: @@ -3561,13 +3568,18 @@ static int pktgen_thread_worker(void *arg) } static struct pktgen_dev *pktgen_find_dev(struct pktgen_thread *t, - const char *ifname) + const char *ifname, bool exact) { struct pktgen_dev *p, *pkt_dev = NULL; - if_lock(t); + size_t len = strlen(ifname); + if_lock(t); list_for_each_entry(p, &t->if_list, list) - if (strncmp(p->odev->name, ifname, IFNAMSIZ) == 0) { + if (strncmp(p->odevname, ifname, len) == 0) { + if (p->odevname[len]) { + if (exact || p->odevname[len] != '@') + continue; + } pkt_dev = p; break; } @@ -3623,6 +3635,7 @@ static int pktgen_add_device(struct pktgen_thread *t, const char *ifname) if (!pkt_dev) return -ENOMEM; + strcpy(pkt_dev->odevname, ifname); pkt_dev->flows = vmalloc(MAX_CFLOWS * sizeof(struct flow_state)); if (pkt_dev->flows == NULL) { kfree(pkt_dev); diff --git a/net/core/skbuff.c b/net/core/skbuff.c index 80a96166df3..ec85681a7dd 100644 --- a/net/core/skbuff.c +++ b/net/core/skbuff.c @@ -2701,7 +2701,8 @@ int skb_gro_receive(struct sk_buff **head, struct sk_buff *skb) NAPI_GRO_CB(skb)->free = 1; goto done; - } + } else if (skb_gro_len(p) != pinfo->gso_size) + return -E2BIG; headroom = skb_headroom(p); nskb = netdev_alloc_skb(p->dev, headroom + skb_gro_offset(p)); diff --git a/net/decnet/sysctl_net_decnet.c b/net/decnet/sysctl_net_decnet.c index 26b0ab1e9f5..2036568beea 100644 --- a/net/decnet/sysctl_net_decnet.c +++ b/net/decnet/sysctl_net_decnet.c @@ -263,11 +263,10 @@ static int dn_def_dev_strategy(ctl_table *table, return -ENODEV; rv = -ENODEV; - if (dev->dn_ptr != NULL) { + if (dev->dn_ptr != NULL) rv = dn_dev_set_default(dev, 1); - if (rv) - dev_put(dev); - } + if (rv) + dev_put(dev); } return rv; diff --git a/net/ipv4/fib_frontend.c b/net/ipv4/fib_frontend.c index e2f95059256..aa00398be80 100644 --- a/net/ipv4/fib_frontend.c +++ b/net/ipv4/fib_frontend.c @@ -229,14 +229,17 @@ unsigned int inet_dev_addr_type(struct net *net, const struct net_device *dev, */ int fib_validate_source(__be32 src, __be32 dst, u8 tos, int oif, - struct net_device *dev, __be32 *spec_dst, u32 *itag) + struct net_device *dev, __be32 *spec_dst, + u32 *itag, u32 mark) { struct in_device *in_dev; struct flowi fl = { .nl_u = { .ip4_u = { .daddr = src, .saddr = dst, .tos = tos } }, + .mark = mark, .iif = oif }; + struct fib_result res; int no_addr, rpf; int ret; diff --git a/net/ipv4/ip_fragment.c b/net/ipv4/ip_fragment.c index 575f9bd51cc..d3fe10be721 100644 --- a/net/ipv4/ip_fragment.c +++ b/net/ipv4/ip_fragment.c @@ -563,7 +563,7 @@ out_oversize: printk(KERN_INFO "Oversized IP packet from %pI4.\n", &qp->saddr); out_fail: - IP_INC_STATS_BH(dev_net(dev), IPSTATS_MIB_REASMFAILS); + IP_INC_STATS_BH(net, IPSTATS_MIB_REASMFAILS); return err; } diff --git a/net/ipv4/ip_gre.c b/net/ipv4/ip_gre.c index 41ada9904d3..14333385262 100644 --- a/net/ipv4/ip_gre.c +++ b/net/ipv4/ip_gre.c @@ -1464,7 +1464,7 @@ static void ipgre_tap_setup(struct net_device *dev) ether_setup(dev); - dev->netdev_ops = &ipgre_netdev_ops; + dev->netdev_ops = &ipgre_tap_netdev_ops; dev->destructor = free_netdev; dev->iflink = 0; @@ -1525,25 +1525,29 @@ static int ipgre_changelink(struct net_device *dev, struct nlattr *tb[], if (t->dev != dev) return -EEXIST; } else { - unsigned nflags = 0; - t = nt; - if (ipv4_is_multicast(p.iph.daddr)) - nflags = IFF_BROADCAST; - else if (p.iph.daddr) - nflags = IFF_POINTOPOINT; + if (dev->type != ARPHRD_ETHER) { + unsigned nflags = 0; - if ((dev->flags ^ nflags) & - (IFF_POINTOPOINT | IFF_BROADCAST)) - return -EINVAL; + if (ipv4_is_multicast(p.iph.daddr)) + nflags = IFF_BROADCAST; + else if (p.iph.daddr) + nflags = IFF_POINTOPOINT; + + if ((dev->flags ^ nflags) & + (IFF_POINTOPOINT | IFF_BROADCAST)) + return -EINVAL; + } ipgre_tunnel_unlink(ign, t); t->parms.iph.saddr = p.iph.saddr; t->parms.iph.daddr = p.iph.daddr; t->parms.i_key = p.i_key; - memcpy(dev->dev_addr, &p.iph.saddr, 4); - memcpy(dev->broadcast, &p.iph.daddr, 4); + if (dev->type != ARPHRD_ETHER) { + memcpy(dev->dev_addr, &p.iph.saddr, 4); + memcpy(dev->broadcast, &p.iph.daddr, 4); + } ipgre_tunnel_link(ign, t); netdev_state_change(dev); } diff --git a/net/ipv4/ipip.c b/net/ipv4/ipip.c index 08ccd344de7..ae40ed1ba56 100644 --- a/net/ipv4/ipip.c +++ b/net/ipv4/ipip.c @@ -438,25 +438,27 @@ static netdev_tx_t ipip_tunnel_xmit(struct sk_buff *skb, struct net_device *dev) goto tx_error; } - if (tiph->frag_off) + df |= old_iph->frag_off & htons(IP_DF); + + if (df) { mtu = dst_mtu(&rt->u.dst) - sizeof(struct iphdr); - else - mtu = skb_dst(skb) ? dst_mtu(skb_dst(skb)) : dev->mtu; - if (mtu < 68) { - stats->collisions++; - ip_rt_put(rt); - goto tx_error; - } - if (skb_dst(skb)) - skb_dst(skb)->ops->update_pmtu(skb_dst(skb), mtu); + if (mtu < 68) { + stats->collisions++; + ip_rt_put(rt); + goto tx_error; + } - df |= (old_iph->frag_off&htons(IP_DF)); + if (skb_dst(skb)) + skb_dst(skb)->ops->update_pmtu(skb_dst(skb), mtu); - if ((old_iph->frag_off&htons(IP_DF)) && mtu < ntohs(old_iph->tot_len)) { - icmp_send(skb, ICMP_DEST_UNREACH, ICMP_FRAG_NEEDED, htonl(mtu)); - ip_rt_put(rt); - goto tx_error; + if ((old_iph->frag_off & htons(IP_DF)) && + mtu < ntohs(old_iph->tot_len)) { + icmp_send(skb, ICMP_DEST_UNREACH, ICMP_FRAG_NEEDED, + htonl(mtu)); + ip_rt_put(rt); + goto tx_error; + } } if (tunnel->err_count > 0) { diff --git a/net/ipv4/ipmr.c b/net/ipv4/ipmr.c index 630a56df7b4..99508d66a64 100644 --- a/net/ipv4/ipmr.c +++ b/net/ipv4/ipmr.c @@ -483,8 +483,10 @@ static int vif_add(struct net *net, struct vifctl *vifc, int mrtsock) return -EINVAL; } - if ((in_dev = __in_dev_get_rtnl(dev)) == NULL) + if ((in_dev = __in_dev_get_rtnl(dev)) == NULL) { + dev_put(dev); return -EADDRNOTAVAIL; + } IPV4_DEVCONF(in_dev->cnf, MC_FORWARDING)++; ip_rt_multicast_event(in_dev); diff --git a/net/ipv4/netfilter/nf_nat_core.c b/net/ipv4/netfilter/nf_nat_core.c index 68afc6ecd34..fe1a64479dd 100644 --- a/net/ipv4/netfilter/nf_nat_core.c +++ b/net/ipv4/netfilter/nf_nat_core.c @@ -750,6 +750,8 @@ static int __init nf_nat_init(void) BUG_ON(nfnetlink_parse_nat_setup_hook != NULL); rcu_assign_pointer(nfnetlink_parse_nat_setup_hook, nfnetlink_parse_nat_setup); + BUG_ON(nf_ct_nat_offset != NULL); + rcu_assign_pointer(nf_ct_nat_offset, nf_nat_get_offset); return 0; cleanup_extend: @@ -764,6 +766,7 @@ static void __exit nf_nat_cleanup(void) nf_ct_extend_unregister(&nat_extend); rcu_assign_pointer(nf_nat_seq_adjust_hook, NULL); rcu_assign_pointer(nfnetlink_parse_nat_setup_hook, NULL); + rcu_assign_pointer(nf_ct_nat_offset, NULL); synchronize_net(); } diff --git a/net/ipv4/netfilter/nf_nat_helper.c b/net/ipv4/netfilter/nf_nat_helper.c index 09172a65d9b..f9520fa3aba 100644 --- a/net/ipv4/netfilter/nf_nat_helper.c +++ b/net/ipv4/netfilter/nf_nat_helper.c @@ -73,6 +73,28 @@ adjust_tcp_sequence(u32 seq, DUMP_OFFSET(this_way); } +/* Get the offset value, for conntrack */ +s16 nf_nat_get_offset(const struct nf_conn *ct, + enum ip_conntrack_dir dir, + u32 seq) +{ + struct nf_conn_nat *nat = nfct_nat(ct); + struct nf_nat_seq *this_way; + s16 offset; + + if (!nat) + return 0; + + this_way = &nat->seq[dir]; + spin_lock_bh(&nf_nat_seqofs_lock); + offset = after(seq, this_way->correction_pos) + ? this_way->offset_after : this_way->offset_before; + spin_unlock_bh(&nf_nat_seqofs_lock); + + return offset; +} +EXPORT_SYMBOL_GPL(nf_nat_get_offset); + /* Frobs data inside this packet, which is linear. */ static void mangle_contents(struct sk_buff *skb, unsigned int dataoff, @@ -189,11 +211,6 @@ nf_nat_mangle_tcp_packet(struct sk_buff *skb, adjust_tcp_sequence(ntohl(tcph->seq), (int)rep_len - (int)match_len, ct, ctinfo); - /* Tell TCP window tracking about seq change */ - nf_conntrack_tcp_update(skb, ip_hdrlen(skb), - ct, CTINFO2DIR(ctinfo), - (int)rep_len - (int)match_len); - nf_conntrack_event_cache(IPCT_NATSEQADJ, ct); } return 1; @@ -415,12 +432,7 @@ nf_nat_seq_adjust(struct sk_buff *skb, tcph->seq = newseq; tcph->ack_seq = newack; - if (!nf_nat_sack_adjust(skb, tcph, ct, ctinfo)) - return 0; - - nf_conntrack_tcp_update(skb, ip_hdrlen(skb), ct, dir, seqoff); - - return 1; + return nf_nat_sack_adjust(skb, tcph, ct, ctinfo); } /* Setup NAT on this expected conntrack so it follows master. */ diff --git a/net/ipv4/raw.c b/net/ipv4/raw.c index 757c9171e7c..ab996f9c0fe 100644 --- a/net/ipv4/raw.c +++ b/net/ipv4/raw.c @@ -352,13 +352,24 @@ static int raw_send_hdrinc(struct sock *sk, void *from, size_t length, skb->ip_summed = CHECKSUM_NONE; skb->transport_header = skb->network_header; - err = memcpy_fromiovecend((void *)iph, from, 0, length); - if (err) - goto error_fault; + err = -EFAULT; + if (memcpy_fromiovecend((void *)iph, from, 0, length)) + goto error_free; - /* We don't modify invalid header */ iphlen = iph->ihl * 4; - if (iphlen >= sizeof(*iph) && iphlen <= length) { + + /* + * We don't want to modify the ip header, but we do need to + * be sure that it won't cause problems later along the network + * stack. Specifically we want to make sure that iph->ihl is a + * sane value. If ihl points beyond the length of the buffer passed + * in, reject the frame as invalid + */ + err = -EINVAL; + if (iphlen > length) + goto error_free; + + if (iphlen >= sizeof(*iph)) { if (!iph->saddr) iph->saddr = rt->rt_src; iph->check = 0; @@ -381,8 +392,7 @@ static int raw_send_hdrinc(struct sock *sk, void *from, size_t length, out: return 0; -error_fault: - err = -EFAULT; +error_free: kfree_skb(skb); error: IP_INC_STATS(net, IPSTATS_MIB_OUTDISCARDS); diff --git a/net/ipv4/route.c b/net/ipv4/route.c index bb419925202..5b1050a5d87 100644 --- a/net/ipv4/route.c +++ b/net/ipv4/route.c @@ -1854,7 +1854,7 @@ static int ip_route_input_mc(struct sk_buff *skb, __be32 daddr, __be32 saddr, goto e_inval; spec_dst = inet_select_addr(dev, 0, RT_SCOPE_LINK); } else if (fib_validate_source(saddr, 0, tos, 0, - dev, &spec_dst, &itag) < 0) + dev, &spec_dst, &itag, 0) < 0) goto e_inval; rth = dst_alloc(&ipv4_dst_ops); @@ -1967,7 +1967,7 @@ static int __mkroute_input(struct sk_buff *skb, err = fib_validate_source(saddr, daddr, tos, FIB_RES_OIF(*res), - in_dev->dev, &spec_dst, &itag); + in_dev->dev, &spec_dst, &itag, skb->mark); if (err < 0) { ip_handle_martian_source(in_dev->dev, in_dev, skb, daddr, saddr); @@ -2141,7 +2141,7 @@ static int ip_route_input_slow(struct sk_buff *skb, __be32 daddr, __be32 saddr, int result; result = fib_validate_source(saddr, daddr, tos, net->loopback_dev->ifindex, - dev, &spec_dst, &itag); + dev, &spec_dst, &itag, skb->mark); if (result < 0) goto martian_source; if (result) @@ -2170,7 +2170,7 @@ brd_input: spec_dst = inet_select_addr(dev, 0, RT_SCOPE_LINK); else { err = fib_validate_source(saddr, 0, tos, 0, dev, &spec_dst, - &itag); + &itag, skb->mark); if (err < 0) goto martian_source; if (err) diff --git a/net/ipv4/tcp.c b/net/ipv4/tcp.c index 90b2e0649bf..f1813bc7108 100644 --- a/net/ipv4/tcp.c +++ b/net/ipv4/tcp.c @@ -1183,7 +1183,9 @@ void tcp_cleanup_rbuf(struct sock *sk, int copied) #if TCP_DEBUG struct sk_buff *skb = skb_peek(&sk->sk_receive_queue); - WARN_ON(skb && !before(tp->copied_seq, TCP_SKB_CB(skb)->end_seq)); + WARN(skb && !before(tp->copied_seq, TCP_SKB_CB(skb)->end_seq), + KERN_INFO "cleanup rbuf bug: copied %X seq %X rcvnxt %X\n", + tp->copied_seq, TCP_SKB_CB(skb)->end_seq, tp->rcv_nxt); #endif if (inet_csk_ack_scheduled(sk)) { @@ -1430,11 +1432,13 @@ int tcp_recvmsg(struct kiocb *iocb, struct sock *sk, struct msghdr *msg, /* Now that we have two receive queues this * shouldn't happen. */ - if (before(*seq, TCP_SKB_CB(skb)->seq)) { - printk(KERN_INFO "recvmsg bug: copied %X " - "seq %X\n", *seq, TCP_SKB_CB(skb)->seq); + if (WARN(before(*seq, TCP_SKB_CB(skb)->seq), + KERN_INFO "recvmsg bug: copied %X " + "seq %X rcvnxt %X fl %X\n", *seq, + TCP_SKB_CB(skb)->seq, tp->rcv_nxt, + flags)) break; - } + offset = *seq - TCP_SKB_CB(skb)->seq; if (tcp_hdr(skb)->syn) offset--; @@ -1442,9 +1446,10 @@ int tcp_recvmsg(struct kiocb *iocb, struct sock *sk, struct msghdr *msg, goto found_ok_skb; if (tcp_hdr(skb)->fin) goto found_fin_ok; - if (WARN_ON(!(flags & MSG_PEEK))) - printk(KERN_INFO "recvmsg bug 2: copied %X " - "seq %X\n", *seq, TCP_SKB_CB(skb)->seq); + WARN(!(flags & MSG_PEEK), KERN_INFO "recvmsg bug 2: " + "copied %X seq %X rcvnxt %X fl %X\n", + *seq, TCP_SKB_CB(skb)->seq, + tp->rcv_nxt, flags); } /* Well, if we have backlog, try to process it now yet. */ diff --git a/net/ipv4/udp.c b/net/ipv4/udp.c index d0d436d6216..0fa9f70e4b1 100644 --- a/net/ipv4/udp.c +++ b/net/ipv4/udp.c @@ -999,9 +999,7 @@ try_again: err = ulen; out_free: - lock_sock(sk); - skb_free_datagram(sk, skb); - release_sock(sk); + skb_free_datagram_locked(sk, skb); out: return err; diff --git a/net/ipv6/udp.c b/net/ipv6/udp.c index 3a60f12b34e..cf538ed5ef6 100644 --- a/net/ipv6/udp.c +++ b/net/ipv6/udp.c @@ -288,9 +288,7 @@ try_again: err = ulen; out_free: - lock_sock(sk); - skb_free_datagram(sk, skb); - release_sock(sk); + skb_free_datagram_locked(sk, skb); out: return err; diff --git a/net/mac80211/agg-rx.c b/net/mac80211/agg-rx.c index bc064d7933f..ce8e0e772ba 100644 --- a/net/mac80211/agg-rx.c +++ b/net/mac80211/agg-rx.c @@ -85,10 +85,6 @@ void ieee80211_sta_stop_rx_ba_session(struct ieee80211_sub_if_data *sdata, u8 *r struct ieee80211_local *local = sdata->local; struct sta_info *sta; - /* stop HW Rx aggregation. ampdu_action existence - * already verified in session init so we add the BUG_ON */ - BUG_ON(!local->ops->ampdu_action); - rcu_read_lock(); sta = sta_info_get(local, ra); diff --git a/net/mac80211/agg-tx.c b/net/mac80211/agg-tx.c index bd765f30dba..89e238b001d 100644 --- a/net/mac80211/agg-tx.c +++ b/net/mac80211/agg-tx.c @@ -123,13 +123,18 @@ void ieee80211_send_bar(struct ieee80211_sub_if_data *sdata, u8 *ra, u16 tid, u1 ieee80211_tx_skb(sdata, skb, 0); } -static int ___ieee80211_stop_tx_ba_session(struct sta_info *sta, u16 tid, - enum ieee80211_back_parties initiator) +int ___ieee80211_stop_tx_ba_session(struct sta_info *sta, u16 tid, + enum ieee80211_back_parties initiator) { struct ieee80211_local *local = sta->local; int ret; u8 *state; +#ifdef CONFIG_MAC80211_HT_DEBUG + printk(KERN_DEBUG "Tx BA session stop requested for %pM tid %u\n", + sta->sta.addr, tid); +#endif /* CONFIG_MAC80211_HT_DEBUG */ + state = &sta->ampdu_mlme.tid_state_tx[tid]; if (*state == HT_AGG_STATE_OPERATIONAL) @@ -143,7 +148,6 @@ static int ___ieee80211_stop_tx_ba_session(struct sta_info *sta, u16 tid, /* HW shall not deny going back to legacy */ if (WARN_ON(ret)) { - *state = HT_AGG_STATE_OPERATIONAL; /* * We may have pending packets get stuck in this case... * Not bothering with a workaround for now. @@ -173,12 +177,14 @@ static void sta_addba_resp_timer_expired(unsigned long data) /* check if the TID waits for addBA response */ spin_lock_bh(&sta->lock); - if (!(*state & HT_ADDBA_REQUESTED_MSK)) { + if ((*state & (HT_ADDBA_REQUESTED_MSK | HT_ADDBA_RECEIVED_MSK)) != + HT_ADDBA_REQUESTED_MSK) { spin_unlock_bh(&sta->lock); *state = HT_AGG_STATE_IDLE; #ifdef CONFIG_MAC80211_HT_DEBUG printk(KERN_DEBUG "timer expired on tid %d but we are not " - "expecting addBA response there", tid); + "(or no longer) expecting addBA response there", + tid); #endif return; } @@ -523,11 +529,6 @@ int __ieee80211_stop_tx_ba_session(struct sta_info *sta, u16 tid, goto unlock; } -#ifdef CONFIG_MAC80211_HT_DEBUG - printk(KERN_DEBUG "Tx BA session stop requested for %pM tid %u\n", - sta->sta.addr, tid); -#endif /* CONFIG_MAC80211_HT_DEBUG */ - ret = ___ieee80211_stop_tx_ba_session(sta, tid, initiator); unlock: @@ -543,7 +544,7 @@ int ieee80211_stop_tx_ba_session(struct ieee80211_hw *hw, struct sta_info *sta; int ret = 0; - if (WARN_ON(!local->ops->ampdu_action)) + if (!local->ops->ampdu_action) return -EINVAL; if (tid >= STA_TID_NUM) @@ -668,24 +669,23 @@ void ieee80211_process_addba_resp(struct ieee80211_local *local, spin_lock_bh(&sta->lock); - if (!(*state & HT_ADDBA_REQUESTED_MSK)) { - spin_unlock_bh(&sta->lock); - return; - } + if (!(*state & HT_ADDBA_REQUESTED_MSK)) + goto out; if (mgmt->u.action.u.addba_resp.dialog_token != sta->ampdu_mlme.tid_tx[tid]->dialog_token) { - spin_unlock_bh(&sta->lock); #ifdef CONFIG_MAC80211_HT_DEBUG printk(KERN_DEBUG "wrong addBA response token, tid %d\n", tid); #endif /* CONFIG_MAC80211_HT_DEBUG */ - return; + goto out; } - del_timer_sync(&sta->ampdu_mlme.tid_tx[tid]->addba_resp_timer); + del_timer(&sta->ampdu_mlme.tid_tx[tid]->addba_resp_timer); + #ifdef CONFIG_MAC80211_HT_DEBUG printk(KERN_DEBUG "switched off addBA timer for tid %d \n", tid); #endif /* CONFIG_MAC80211_HT_DEBUG */ + if (le16_to_cpu(mgmt->u.action.u.addba_resp.status) == WLAN_STATUS_SUCCESS) { u8 curstate = *state; @@ -699,5 +699,7 @@ void ieee80211_process_addba_resp(struct ieee80211_local *local, } else { ___ieee80211_stop_tx_ba_session(sta, tid, WLAN_BACK_INITIATOR); } + + out: spin_unlock_bh(&sta->lock); } diff --git a/net/mac80211/cfg.c b/net/mac80211/cfg.c index 5608f6c6841..7b5131bd6fa 100644 --- a/net/mac80211/cfg.c +++ b/net/mac80211/cfg.c @@ -72,6 +72,9 @@ static int ieee80211_change_iface(struct wiphy *wiphy, struct ieee80211_sub_if_data *sdata; int ret; + if (netif_running(dev)) + return -EBUSY; + if (!nl80211_type_check(type)) return -EINVAL; @@ -81,9 +84,6 @@ static int ieee80211_change_iface(struct wiphy *wiphy, if (ret) return ret; - if (netif_running(sdata->dev)) - return -EBUSY; - if (ieee80211_vif_is_mesh(&sdata->vif) && params->mesh_id_len) ieee80211_sdata_set_mesh_id(sdata, params->mesh_id_len, diff --git a/net/mac80211/ht.c b/net/mac80211/ht.c index 0891bfb0699..cdc58e61d92 100644 --- a/net/mac80211/ht.c +++ b/net/mac80211/ht.c @@ -141,7 +141,6 @@ void ieee80211_process_delba(struct ieee80211_sub_if_data *sdata, struct sta_info *sta, struct ieee80211_mgmt *mgmt, size_t len) { - struct ieee80211_local *local = sdata->local; u16 tid, params; u16 initiator; @@ -153,7 +152,7 @@ void ieee80211_process_delba(struct ieee80211_sub_if_data *sdata, if (net_ratelimit()) printk(KERN_DEBUG "delba from %pM (%s) tid %d reason code %d\n", mgmt->sa, initiator ? "initiator" : "recipient", tid, - mgmt->u.action.u.delba.reason_code); + le16_to_cpu(mgmt->u.action.u.delba.reason_code)); #endif /* CONFIG_MAC80211_HT_DEBUG */ if (initiator == WLAN_BACK_INITIATOR) @@ -161,10 +160,9 @@ void ieee80211_process_delba(struct ieee80211_sub_if_data *sdata, WLAN_BACK_INITIATOR, 0); else { /* WLAN_BACK_RECIPIENT */ spin_lock_bh(&sta->lock); - sta->ampdu_mlme.tid_state_tx[tid] = - HT_AGG_STATE_OPERATIONAL; + if (sta->ampdu_mlme.tid_state_tx[tid] & HT_ADDBA_REQUESTED_MSK) + ___ieee80211_stop_tx_ba_session(sta, tid, + WLAN_BACK_RECIPIENT); spin_unlock_bh(&sta->lock); - ieee80211_stop_tx_ba_session(&local->hw, sta->sta.addr, tid, - WLAN_BACK_RECIPIENT); } } diff --git a/net/mac80211/ibss.c b/net/mac80211/ibss.c index 6eaf6982343..f1362f32c17 100644 --- a/net/mac80211/ibss.c +++ b/net/mac80211/ibss.c @@ -73,6 +73,7 @@ static void __ieee80211_sta_join_ibss(struct ieee80211_sub_if_data *sdata, struct ieee80211_mgmt *mgmt; u8 *pos; struct ieee80211_supported_band *sband; + struct cfg80211_bss *bss; u32 bss_change; u8 supp_rates[IEEE80211_MAX_SUPP_RATES]; @@ -177,8 +178,9 @@ static void __ieee80211_sta_join_ibss(struct ieee80211_sub_if_data *sdata, mod_timer(&ifibss->timer, round_jiffies(jiffies + IEEE80211_IBSS_MERGE_INTERVAL)); - cfg80211_inform_bss_frame(local->hw.wiphy, local->hw.conf.channel, - mgmt, skb->len, 0, GFP_KERNEL); + bss = cfg80211_inform_bss_frame(local->hw.wiphy, local->hw.conf.channel, + mgmt, skb->len, 0, GFP_KERNEL); + cfg80211_put_bss(bss); cfg80211_ibss_joined(sdata->dev, ifibss->bssid, GFP_KERNEL); } @@ -538,13 +540,12 @@ static void ieee80211_sta_find_ibss(struct ieee80211_sub_if_data *sdata) WLAN_CAPABILITY_PRIVACY, capability); + if (bss) { #ifdef CONFIG_MAC80211_IBSS_DEBUG - if (bss) printk(KERN_DEBUG " sta_find_ibss: selected %pM current " "%pM\n", bss->cbss.bssid, ifibss->bssid); #endif /* CONFIG_MAC80211_IBSS_DEBUG */ - if (bss && !memcmp(ifibss->bssid, bss->cbss.bssid, ETH_ALEN)) { printk(KERN_DEBUG "%s: Selected IBSS BSSID %pM" " based on configured SSID\n", sdata->dev->name, bss->cbss.bssid); @@ -552,8 +553,7 @@ static void ieee80211_sta_find_ibss(struct ieee80211_sub_if_data *sdata) ieee80211_sta_join_ibss(sdata, bss); ieee80211_rx_bss_put(local, bss); return; - } else if (bss) - ieee80211_rx_bss_put(local, bss); + } #ifdef CONFIG_MAC80211_IBSS_DEBUG printk(KERN_DEBUG " did not try to join ibss\n"); diff --git a/net/mac80211/ieee80211_i.h b/net/mac80211/ieee80211_i.h index 588005c84a6..10d316e455d 100644 --- a/net/mac80211/ieee80211_i.h +++ b/net/mac80211/ieee80211_i.h @@ -662,6 +662,14 @@ struct ieee80211_local { bool suspended; /* + * Resuming is true while suspended, but when we're reprogramming the + * hardware -- at that time it's allowed to use ieee80211_queue_work() + * again even though some other parts of the stack are still suspended + * and we still drop received frames to avoid waking the stack. + */ + bool resuming; + + /* * quiescing is true during the suspend process _only_ to * ease timer cancelling etc. */ @@ -1083,6 +1091,8 @@ void ieee80211_process_addba_request(struct ieee80211_local *local, int __ieee80211_stop_tx_ba_session(struct sta_info *sta, u16 tid, enum ieee80211_back_parties initiator); +int ___ieee80211_stop_tx_ba_session(struct sta_info *sta, u16 tid, + enum ieee80211_back_parties initiator); /* Spectrum management */ void ieee80211_process_measurement_req(struct ieee80211_sub_if_data *sdata, diff --git a/net/mac80211/mesh_hwmp.c b/net/mac80211/mesh_hwmp.c index e12a786e26b..29b82e98eff 100644 --- a/net/mac80211/mesh_hwmp.c +++ b/net/mac80211/mesh_hwmp.c @@ -259,7 +259,7 @@ static u32 airtime_link_metric_get(struct ieee80211_local *local, * @hwmp_ie: hwmp information element (PREP or PREQ) * * This function updates the path routing information to the originator and the - * transmitter of a HWMP PREQ or PREP fram. + * transmitter of a HWMP PREQ or PREP frame. * * Returns: metric to frame originator or 0 if the frame should not be further * processed diff --git a/net/mac80211/mlme.c b/net/mac80211/mlme.c index 8d26e9bf896..dc5049d58c5 100644 --- a/net/mac80211/mlme.c +++ b/net/mac80211/mlme.c @@ -1457,8 +1457,7 @@ ieee80211_rx_mgmt_assoc_resp(struct ieee80211_sub_if_data *sdata, if (status_code != WLAN_STATUS_SUCCESS) { printk(KERN_DEBUG "%s: AP denied association (code=%d)\n", sdata->dev->name, status_code); - list_del(&wk->list); - kfree(wk); + wk->state = IEEE80211_MGD_STATE_IDLE; return RX_MGMT_CFG80211_ASSOC; } diff --git a/net/mac80211/tx.c b/net/mac80211/tx.c index db4bda681ec..eaa4118de98 100644 --- a/net/mac80211/tx.c +++ b/net/mac80211/tx.c @@ -1445,7 +1445,7 @@ static void ieee80211_xmit(struct ieee80211_sub_if_data *sdata, if (tmp_sdata->vif.type != NL80211_IFTYPE_AP) continue; if (compare_ether_addr(tmp_sdata->dev->dev_addr, - hdr->addr2)) { + hdr->addr2) == 0) { dev_hold(tmp_sdata->dev); dev_put(sdata->dev); sdata = tmp_sdata; diff --git a/net/mac80211/util.c b/net/mac80211/util.c index aeb65b3d229..e6c08da8da2 100644 --- a/net/mac80211/util.c +++ b/net/mac80211/util.c @@ -520,9 +520,9 @@ EXPORT_SYMBOL_GPL(ieee80211_iterate_active_interfaces_atomic); */ static bool ieee80211_can_queue_work(struct ieee80211_local *local) { - if (WARN(local->suspended, "queueing ieee80211 work while " - "going to suspend\n")) - return false; + if (WARN(local->suspended && !local->resuming, + "queueing ieee80211 work while going to suspend\n")) + return false; return true; } @@ -1025,13 +1025,9 @@ int ieee80211_reconfig(struct ieee80211_local *local) struct sta_info *sta; unsigned long flags; int res; - bool from_suspend = local->suspended; - /* - * We're going to start the hardware, at that point - * we are no longer suspended and can RX frames. - */ - local->suspended = false; + if (local->suspended) + local->resuming = true; /* restart hardware */ if (local->open_count) { @@ -1129,11 +1125,14 @@ int ieee80211_reconfig(struct ieee80211_local *local) * If this is for hw restart things are still running. * We may want to change that later, however. */ - if (!from_suspend) + if (!local->suspended) return 0; #ifdef CONFIG_PM + /* first set suspended false, then resuming */ local->suspended = false; + mb(); + local->resuming = false; list_for_each_entry(sdata, &local->interfaces, list) { switch(sdata->vif.type) { diff --git a/net/netfilter/nf_conntrack_core.c b/net/netfilter/nf_conntrack_core.c index ca6e68dcd8a..b9168c1864c 100644 --- a/net/netfilter/nf_conntrack_core.c +++ b/net/netfilter/nf_conntrack_core.c @@ -1351,6 +1351,11 @@ err_stat: return ret; } +s16 (*nf_ct_nat_offset)(const struct nf_conn *ct, + enum ip_conntrack_dir dir, + u32 seq); +EXPORT_SYMBOL_GPL(nf_ct_nat_offset); + int nf_conntrack_init(struct net *net) { int ret; @@ -1368,6 +1373,9 @@ int nf_conntrack_init(struct net *net) /* For use by REJECT target */ rcu_assign_pointer(ip_ct_attach, nf_conntrack_attach); rcu_assign_pointer(nf_ct_destroy, destroy_conntrack); + + /* Howto get NAT offsets */ + rcu_assign_pointer(nf_ct_nat_offset, NULL); } return 0; diff --git a/net/netfilter/nf_conntrack_proto_tcp.c b/net/netfilter/nf_conntrack_proto_tcp.c index 97a82ba7537..ba2b7693728 100644 --- a/net/netfilter/nf_conntrack_proto_tcp.c +++ b/net/netfilter/nf_conntrack_proto_tcp.c @@ -492,6 +492,21 @@ static void tcp_sack(const struct sk_buff *skb, unsigned int dataoff, } } +#ifdef CONFIG_NF_NAT_NEEDED +static inline s16 nat_offset(const struct nf_conn *ct, + enum ip_conntrack_dir dir, + u32 seq) +{ + typeof(nf_ct_nat_offset) get_offset = rcu_dereference(nf_ct_nat_offset); + + return get_offset != NULL ? get_offset(ct, dir, seq) : 0; +} +#define NAT_OFFSET(pf, ct, dir, seq) \ + (pf == NFPROTO_IPV4 ? nat_offset(ct, dir, seq) : 0) +#else +#define NAT_OFFSET(pf, ct, dir, seq) 0 +#endif + static bool tcp_in_window(const struct nf_conn *ct, struct ip_ct_tcp *state, enum ip_conntrack_dir dir, @@ -506,6 +521,7 @@ static bool tcp_in_window(const struct nf_conn *ct, struct ip_ct_tcp_state *receiver = &state->seen[!dir]; const struct nf_conntrack_tuple *tuple = &ct->tuplehash[dir].tuple; __u32 seq, ack, sack, end, win, swin; + s16 receiver_offset; bool res; /* @@ -519,11 +535,16 @@ static bool tcp_in_window(const struct nf_conn *ct, if (receiver->flags & IP_CT_TCP_FLAG_SACK_PERM) tcp_sack(skb, dataoff, tcph, &sack); + /* Take into account NAT sequence number mangling */ + receiver_offset = NAT_OFFSET(pf, ct, !dir, ack - 1); + ack -= receiver_offset; + sack -= receiver_offset; + pr_debug("tcp_in_window: START\n"); pr_debug("tcp_in_window: "); nf_ct_dump_tuple(tuple); - pr_debug("seq=%u ack=%u sack=%u win=%u end=%u\n", - seq, ack, sack, win, end); + pr_debug("seq=%u ack=%u+(%d) sack=%u+(%d) win=%u end=%u\n", + seq, ack, receiver_offset, sack, receiver_offset, win, end); pr_debug("tcp_in_window: sender end=%u maxend=%u maxwin=%u scale=%i " "receiver end=%u maxend=%u maxwin=%u scale=%i\n", sender->td_end, sender->td_maxend, sender->td_maxwin, @@ -613,8 +634,8 @@ static bool tcp_in_window(const struct nf_conn *ct, pr_debug("tcp_in_window: "); nf_ct_dump_tuple(tuple); - pr_debug("seq=%u ack=%u sack =%u win=%u end=%u\n", - seq, ack, sack, win, end); + pr_debug("seq=%u ack=%u+(%d) sack=%u+(%d) win=%u end=%u\n", + seq, ack, receiver_offset, sack, receiver_offset, win, end); pr_debug("tcp_in_window: sender end=%u maxend=%u maxwin=%u scale=%i " "receiver end=%u maxend=%u maxwin=%u scale=%i\n", sender->td_end, sender->td_maxend, sender->td_maxwin, @@ -700,7 +721,7 @@ static bool tcp_in_window(const struct nf_conn *ct, before(seq, sender->td_maxend + 1) ? after(end, sender->td_end - receiver->td_maxwin - 1) ? before(sack, receiver->td_end + 1) ? - after(ack, receiver->td_end - MAXACKWINDOW(sender)) ? "BUG" + after(sack, receiver->td_end - MAXACKWINDOW(sender) - 1) ? "BUG" : "ACK is under the lower bound (possible overly delayed ACK)" : "ACK is over the upper bound (ACKed data not seen yet)" : "SEQ is under the lower bound (already ACKed data retransmitted)" @@ -715,39 +736,6 @@ static bool tcp_in_window(const struct nf_conn *ct, return res; } -#ifdef CONFIG_NF_NAT_NEEDED -/* Update sender->td_end after NAT successfully mangled the packet */ -/* Caller must linearize skb at tcp header. */ -void nf_conntrack_tcp_update(const struct sk_buff *skb, - unsigned int dataoff, - struct nf_conn *ct, int dir, - s16 offset) -{ - const struct tcphdr *tcph = (const void *)skb->data + dataoff; - const struct ip_ct_tcp_state *sender = &ct->proto.tcp.seen[dir]; - const struct ip_ct_tcp_state *receiver = &ct->proto.tcp.seen[!dir]; - __u32 end; - - end = segment_seq_plus_len(ntohl(tcph->seq), skb->len, dataoff, tcph); - - spin_lock_bh(&ct->lock); - /* - * We have to worry for the ack in the reply packet only... - */ - if (ct->proto.tcp.seen[dir].td_end + offset == end) - ct->proto.tcp.seen[dir].td_end = end; - ct->proto.tcp.last_end = end; - spin_unlock_bh(&ct->lock); - pr_debug("tcp_update: sender end=%u maxend=%u maxwin=%u scale=%i " - "receiver end=%u maxend=%u maxwin=%u scale=%i\n", - sender->td_end, sender->td_maxend, sender->td_maxwin, - sender->td_scale, - receiver->td_end, receiver->td_maxend, receiver->td_maxwin, - receiver->td_scale); -} -EXPORT_SYMBOL_GPL(nf_conntrack_tcp_update); -#endif - #define TH_FIN 0x01 #define TH_SYN 0x02 #define TH_RST 0x04 diff --git a/net/netfilter/nf_log.c b/net/netfilter/nf_log.c index c93494fef8e..d65d3481919 100644 --- a/net/netfilter/nf_log.c +++ b/net/netfilter/nf_log.c @@ -128,9 +128,8 @@ EXPORT_SYMBOL(nf_log_packet); #ifdef CONFIG_PROC_FS static void *seq_start(struct seq_file *seq, loff_t *pos) - __acquires(RCU) { - rcu_read_lock(); + mutex_lock(&nf_log_mutex); if (*pos >= ARRAY_SIZE(nf_loggers)) return NULL; @@ -149,9 +148,8 @@ static void *seq_next(struct seq_file *s, void *v, loff_t *pos) } static void seq_stop(struct seq_file *s, void *v) - __releases(RCU) { - rcu_read_unlock(); + mutex_unlock(&nf_log_mutex); } static int seq_show(struct seq_file *s, void *v) @@ -161,7 +159,7 @@ static int seq_show(struct seq_file *s, void *v) struct nf_logger *t; int ret; - logger = rcu_dereference(nf_loggers[*pos]); + logger = nf_loggers[*pos]; if (!logger) ret = seq_printf(s, "%2lld NONE (", *pos); @@ -171,22 +169,16 @@ static int seq_show(struct seq_file *s, void *v) if (ret < 0) return ret; - mutex_lock(&nf_log_mutex); list_for_each_entry(t, &nf_loggers_l[*pos], list[*pos]) { ret = seq_printf(s, "%s", t->name); - if (ret < 0) { - mutex_unlock(&nf_log_mutex); + if (ret < 0) return ret; - } if (&t->list[*pos] != nf_loggers_l[*pos].prev) { ret = seq_printf(s, ","); - if (ret < 0) { - mutex_unlock(&nf_log_mutex); + if (ret < 0) return ret; - } } } - mutex_unlock(&nf_log_mutex); return seq_printf(s, ")\n"); } diff --git a/net/netfilter/xt_connlimit.c b/net/netfilter/xt_connlimit.c index 68098095439..38f03f75a63 100644 --- a/net/netfilter/xt_connlimit.c +++ b/net/netfilter/xt_connlimit.c @@ -103,7 +103,7 @@ static int count_them(struct xt_connlimit_data *data, const struct nf_conntrack_tuple *tuple, const union nf_inet_addr *addr, const union nf_inet_addr *mask, - const struct xt_match *match) + u_int8_t family) { const struct nf_conntrack_tuple_hash *found; struct xt_connlimit_conn *conn; @@ -113,8 +113,7 @@ static int count_them(struct xt_connlimit_data *data, bool addit = true; int matches = 0; - - if (match->family == NFPROTO_IPV6) + if (family == NFPROTO_IPV6) hash = &data->iphash[connlimit_iphash6(addr, mask)]; else hash = &data->iphash[connlimit_iphash(addr->ip & mask->ip)]; @@ -157,8 +156,7 @@ static int count_them(struct xt_connlimit_data *data, continue; } - if (same_source_net(addr, mask, &conn->tuple.src.u3, - match->family)) + if (same_source_net(addr, mask, &conn->tuple.src.u3, family)) /* same source network -> be counted! */ ++matches; nf_ct_put(found_ct); @@ -207,7 +205,7 @@ connlimit_mt(const struct sk_buff *skb, const struct xt_match_param *par) spin_lock_bh(&info->data->lock); connections = count_them(info->data, tuple_ptr, &addr, - &info->mask, par->match); + &info->mask, par->family); spin_unlock_bh(&info->data->lock); if (connections < 0) { diff --git a/net/netfilter/xt_limit.c b/net/netfilter/xt_limit.c index 2e8089ecd0a..2773be6a71d 100644 --- a/net/netfilter/xt_limit.c +++ b/net/netfilter/xt_limit.c @@ -112,7 +112,7 @@ static bool limit_mt_check(const struct xt_mtchk_param *par) priv = kmalloc(sizeof(*priv), GFP_KERNEL); if (priv == NULL) - return -ENOMEM; + return false; /* For SMP, we only want to use one set of state. */ r->master = priv; diff --git a/net/netfilter/xt_osf.c b/net/netfilter/xt_osf.c index 63e19050465..4d1a41bbd5d 100644 --- a/net/netfilter/xt_osf.c +++ b/net/netfilter/xt_osf.c @@ -118,7 +118,7 @@ static int xt_osf_remove_callback(struct sock *ctnl, struct sk_buff *skb, { struct xt_osf_user_finger *f; struct xt_osf_finger *sf; - int err = ENOENT; + int err = -ENOENT; if (!osf_attrs[OSF_ATTR_FINGER]) return -EINVAL; diff --git a/net/packet/af_packet.c b/net/packet/af_packet.c index d7ecca0a0c0..f2d116a5cb3 100644 --- a/net/packet/af_packet.c +++ b/net/packet/af_packet.c @@ -982,10 +982,7 @@ static int tpacket_snd(struct packet_sock *po, struct msghdr *msg) goto out_put; size_max = po->tx_ring.frame_size - - sizeof(struct skb_shared_info) - - po->tp_hdrlen - - LL_ALLOCATED_SPACE(dev) - - sizeof(struct sockaddr_ll); + - (po->tp_hdrlen - sizeof(struct sockaddr_ll)); if (size_max > dev->mtu + reserve) size_max = dev->mtu + reserve; diff --git a/net/rfkill/core.c b/net/rfkill/core.c index ba2efb960c6..a001f7c1f71 100644 --- a/net/rfkill/core.c +++ b/net/rfkill/core.c @@ -1189,6 +1189,7 @@ static long rfkill_fop_ioctl(struct file *file, unsigned int cmd, #endif static const struct file_operations rfkill_fops = { + .owner = THIS_MODULE, .open = rfkill_fop_open, .read = rfkill_fop_read, .write = rfkill_fop_write, diff --git a/net/rose/rose_route.c b/net/rose/rose_route.c index 9478d9b3d97..f3e21989b88 100644 --- a/net/rose/rose_route.c +++ b/net/rose/rose_route.c @@ -578,18 +578,18 @@ static int rose_clear_routes(void) /* * Check that the device given is a valid AX.25 interface that is "up". + * called whith RTNL */ -static struct net_device *rose_ax25_dev_get(char *devname) +static struct net_device *rose_ax25_dev_find(char *devname) { struct net_device *dev; - if ((dev = dev_get_by_name(&init_net, devname)) == NULL) + if ((dev = __dev_get_by_name(&init_net, devname)) == NULL) return NULL; if ((dev->flags & IFF_UP) && dev->type == ARPHRD_AX25) return dev; - dev_put(dev); return NULL; } @@ -720,27 +720,23 @@ int rose_rt_ioctl(unsigned int cmd, void __user *arg) case SIOCADDRT: if (copy_from_user(&rose_route, arg, sizeof(struct rose_route_struct))) return -EFAULT; - if ((dev = rose_ax25_dev_get(rose_route.device)) == NULL) + if ((dev = rose_ax25_dev_find(rose_route.device)) == NULL) return -EINVAL; - if (rose_dev_exists(&rose_route.address)) { /* Can't add routes to ourself */ - dev_put(dev); + if (rose_dev_exists(&rose_route.address)) /* Can't add routes to ourself */ return -EINVAL; - } if (rose_route.mask > 10) /* Mask can't be more than 10 digits */ return -EINVAL; if (rose_route.ndigis > AX25_MAX_DIGIS) return -EINVAL; err = rose_add_node(&rose_route, dev); - dev_put(dev); return err; case SIOCDELRT: if (copy_from_user(&rose_route, arg, sizeof(struct rose_route_struct))) return -EFAULT; - if ((dev = rose_ax25_dev_get(rose_route.device)) == NULL) + if ((dev = rose_ax25_dev_find(rose_route.device)) == NULL) return -EINVAL; err = rose_del_node(&rose_route, dev); - dev_put(dev); return err; case SIOCRSCLRRT: diff --git a/net/sctp/associola.c b/net/sctp/associola.c index 8450960df24..7eed77a39d0 100644 --- a/net/sctp/associola.c +++ b/net/sctp/associola.c @@ -1485,15 +1485,13 @@ void sctp_assoc_rwnd_decrease(struct sctp_association *asoc, unsigned len) * local endpoint and the remote peer. */ int sctp_assoc_set_bind_addr_from_ep(struct sctp_association *asoc, - gfp_t gfp) + sctp_scope_t scope, gfp_t gfp) { - sctp_scope_t scope; int flags; /* Use scoping rules to determine the subset of addresses from * the endpoint. */ - scope = sctp_scope(&asoc->peer.active_path->ipaddr); flags = (PF_INET6 == asoc->base.sk->sk_family) ? SCTP_ADDR6_ALLOWED : 0; if (asoc->peer.ipv4_address) flags |= SCTP_ADDR4_PEERSUPP; diff --git a/net/sctp/outqueue.c b/net/sctp/outqueue.c index c9f20e28521..23e5e97aa61 100644 --- a/net/sctp/outqueue.c +++ b/net/sctp/outqueue.c @@ -423,16 +423,6 @@ void sctp_retransmit_mark(struct sctp_outq *q, if ((reason == SCTP_RTXR_FAST_RTX && (chunk->fast_retransmit == SCTP_NEED_FRTX)) || (reason != SCTP_RTXR_FAST_RTX && !chunk->tsn_gap_acked)) { - /* If this chunk was sent less then 1 rto ago, do not - * retransmit this chunk, but give the peer time - * to acknowlege it. Do this only when - * retransmitting due to T3 timeout. - */ - if (reason == SCTP_RTXR_T3_RTX && - time_before(jiffies, chunk->sent_at + - transport->last_rto)) - continue; - /* RFC 2960 6.2.1 Processing a Received SACK * * C) Any time a DATA chunk is marked for diff --git a/net/sctp/sm_sideeffect.c b/net/sctp/sm_sideeffect.c index 8674d491955..efa516b47e8 100644 --- a/net/sctp/sm_sideeffect.c +++ b/net/sctp/sm_sideeffect.c @@ -480,7 +480,6 @@ static void sctp_do_8_2_transport_strike(struct sctp_association *asoc, * that indicates that we have an outstanding HB. */ if (!is_hb || transport->hb_sent) { - transport->last_rto = transport->rto; transport->rto = min((transport->rto * 2), transport->asoc->rto_max); } } diff --git a/net/sctp/sm_statefuns.c b/net/sctp/sm_statefuns.c index c8fae1983dd..d4df45022ff 100644 --- a/net/sctp/sm_statefuns.c +++ b/net/sctp/sm_statefuns.c @@ -384,6 +384,11 @@ sctp_disposition_t sctp_sf_do_5_1B_init(const struct sctp_endpoint *ep, if (!new_asoc) goto nomem; + if (sctp_assoc_set_bind_addr_from_ep(new_asoc, + sctp_scope(sctp_source(chunk)), + GFP_ATOMIC) < 0) + goto nomem_init; + /* The call, sctp_process_init(), can fail on memory allocation. */ if (!sctp_process_init(new_asoc, chunk->chunk_hdr->type, sctp_source(chunk), @@ -401,9 +406,6 @@ sctp_disposition_t sctp_sf_do_5_1B_init(const struct sctp_endpoint *ep, len = ntohs(err_chunk->chunk_hdr->length) - sizeof(sctp_chunkhdr_t); - if (sctp_assoc_set_bind_addr_from_ep(new_asoc, GFP_ATOMIC) < 0) - goto nomem_init; - repl = sctp_make_init_ack(new_asoc, chunk, GFP_ATOMIC, len); if (!repl) goto nomem_init; @@ -1452,6 +1454,10 @@ static sctp_disposition_t sctp_sf_do_unexpected_init( if (!new_asoc) goto nomem; + if (sctp_assoc_set_bind_addr_from_ep(new_asoc, + sctp_scope(sctp_source(chunk)), GFP_ATOMIC) < 0) + goto nomem; + /* In the outbound INIT ACK the endpoint MUST copy its current * Verification Tag and Peers Verification tag into a reserved * place (local tie-tag and per tie-tag) within the state cookie. @@ -1488,9 +1494,6 @@ static sctp_disposition_t sctp_sf_do_unexpected_init( sizeof(sctp_chunkhdr_t); } - if (sctp_assoc_set_bind_addr_from_ep(new_asoc, GFP_ATOMIC) < 0) - goto nomem; - repl = sctp_make_init_ack(new_asoc, chunk, GFP_ATOMIC, len); if (!repl) goto nomem; diff --git a/net/sctp/socket.c b/net/sctp/socket.c index c8d05758661..3a95fcb17a9 100644 --- a/net/sctp/socket.c +++ b/net/sctp/socket.c @@ -1080,6 +1080,13 @@ static int __sctp_connect(struct sock* sk, err = -ENOMEM; goto out_free; } + + err = sctp_assoc_set_bind_addr_from_ep(asoc, scope, + GFP_KERNEL); + if (err < 0) { + goto out_free; + } + } /* Prime the peer's transport structures. */ @@ -1095,11 +1102,6 @@ static int __sctp_connect(struct sock* sk, walk_size += af->sockaddr_len; } - err = sctp_assoc_set_bind_addr_from_ep(asoc, GFP_KERNEL); - if (err < 0) { - goto out_free; - } - /* In case the user of sctp_connectx() wants an association * id back, assign one now. */ @@ -1274,22 +1276,30 @@ SCTP_STATIC int sctp_setsockopt_connectx(struct sock* sk, } /* - * New (hopefully final) interface for the API. The option buffer is used - * both for the returned association id and the addresses. + * New (hopefully final) interface for the API. + * We use the sctp_getaddrs_old structure so that use-space library + * can avoid any unnecessary allocations. The only defferent part + * is that we store the actual length of the address buffer into the + * addrs_num structure member. That way we can re-use the existing + * code. */ SCTP_STATIC int sctp_getsockopt_connectx3(struct sock* sk, int len, char __user *optval, int __user *optlen) { + struct sctp_getaddrs_old param; sctp_assoc_t assoc_id = 0; int err = 0; - if (len < sizeof(assoc_id)) + if (len < sizeof(param)) return -EINVAL; + if (copy_from_user(¶m, optval, sizeof(param))) + return -EFAULT; + err = __sctp_setsockopt_connectx(sk, - (struct sockaddr __user *)(optval + sizeof(assoc_id)), - len - sizeof(assoc_id), &assoc_id); + (struct sockaddr __user *)param.addrs, + param.addr_num, &assoc_id); if (err == 0 || err == -EINPROGRESS) { if (copy_to_user(optval, &assoc_id, sizeof(assoc_id))) @@ -1689,6 +1699,11 @@ SCTP_STATIC int sctp_sendmsg(struct kiocb *iocb, struct sock *sk, goto out_unlock; } asoc = new_asoc; + err = sctp_assoc_set_bind_addr_from_ep(asoc, scope, GFP_KERNEL); + if (err < 0) { + err = -ENOMEM; + goto out_free; + } /* If the SCTP_INIT ancillary data is specified, set all * the association init values accordingly. @@ -1718,11 +1733,6 @@ SCTP_STATIC int sctp_sendmsg(struct kiocb *iocb, struct sock *sk, err = -ENOMEM; goto out_free; } - err = sctp_assoc_set_bind_addr_from_ep(asoc, GFP_KERNEL); - if (err < 0) { - err = -ENOMEM; - goto out_free; - } } /* ASSERT: we have a valid association at this point. */ diff --git a/net/sctp/transport.c b/net/sctp/transport.c index c256e483931..37a1184d789 100644 --- a/net/sctp/transport.c +++ b/net/sctp/transport.c @@ -74,7 +74,7 @@ static struct sctp_transport *sctp_transport_init(struct sctp_transport *peer, * given destination transport address, set RTO to the protocol * parameter 'RTO.Initial'. */ - peer->last_rto = peer->rto = msecs_to_jiffies(sctp_rto_initial); + peer->rto = msecs_to_jiffies(sctp_rto_initial); peer->rtt = 0; peer->rttvar = 0; peer->srtt = 0; @@ -308,7 +308,8 @@ void sctp_transport_route(struct sctp_transport *transport, /* Initialize sk->sk_rcv_saddr, if the transport is the * association's active path for getsockname(). */ - if (asoc && (transport == asoc->peer.active_path)) + if (asoc && (!asoc->peer.primary_path || + (transport == asoc->peer.active_path))) opt->pf->af->to_sk_saddr(&transport->saddr, asoc->base.sk); } else @@ -385,7 +386,6 @@ void sctp_transport_update_rto(struct sctp_transport *tp, __u32 rtt) tp->rto = tp->asoc->rto_max; tp->rtt = rtt; - tp->last_rto = tp->rto; /* Reset rto_pending so that a new RTT measurement is started when a * new data chunk is sent. @@ -601,7 +601,7 @@ void sctp_transport_reset(struct sctp_transport *t) */ t->cwnd = min(4*asoc->pathmtu, max_t(__u32, 2*asoc->pathmtu, 4380)); t->ssthresh = asoc->peer.i.a_rwnd; - t->last_rto = t->rto = asoc->rto_initial; + t->rto = asoc->rto_initial; t->rtt = 0; t->srtt = 0; t->rttvar = 0; diff --git a/net/sunrpc/addr.c b/net/sunrpc/addr.c index 22e8fd89477..c7450c8f0a7 100644 --- a/net/sunrpc/addr.c +++ b/net/sunrpc/addr.c @@ -306,24 +306,25 @@ EXPORT_SYMBOL_GPL(rpc_sockaddr2uaddr); * @sap: buffer into which to plant socket address * @salen: size of buffer * + * @uaddr does not have to be '\0'-terminated, but strict_strtoul() and + * rpc_pton() require proper string termination to be successful. + * * Returns the size of the socket address if successful; otherwise * zero is returned. */ size_t rpc_uaddr2sockaddr(const char *uaddr, const size_t uaddr_len, struct sockaddr *sap, const size_t salen) { - char *c, buf[RPCBIND_MAXUADDRLEN]; + char *c, buf[RPCBIND_MAXUADDRLEN + sizeof('\0')]; unsigned long portlo, porthi; unsigned short port; - if (uaddr_len > sizeof(buf)) + if (uaddr_len > RPCBIND_MAXUADDRLEN) return 0; memcpy(buf, uaddr, uaddr_len); - buf[uaddr_len] = '\n'; - buf[uaddr_len + 1] = '\0'; - + buf[uaddr_len] = '\0'; c = strrchr(buf, '.'); if (unlikely(c == NULL)) return 0; @@ -332,9 +333,7 @@ size_t rpc_uaddr2sockaddr(const char *uaddr, const size_t uaddr_len, if (unlikely(portlo > 255)) return 0; - c[0] = '\n'; - c[1] = '\0'; - + *c = '\0'; c = strrchr(buf, '.'); if (unlikely(c == NULL)) return 0; @@ -345,8 +344,7 @@ size_t rpc_uaddr2sockaddr(const char *uaddr, const size_t uaddr_len, port = (unsigned short)((porthi << 8) | portlo); - c[0] = '\0'; - + *c = '\0'; if (rpc_pton(buf, strlen(buf), sap, salen) == 0) return 0; diff --git a/net/sunrpc/svcsock.c b/net/sunrpc/svcsock.c index ccc5e83cae5..1c246a4f491 100644 --- a/net/sunrpc/svcsock.c +++ b/net/sunrpc/svcsock.c @@ -111,7 +111,7 @@ static void svc_release_skb(struct svc_rqst *rqstp) rqstp->rq_xprt_ctxt = NULL; dprintk("svc: service %p, releasing skb %p\n", rqstp, skb); - skb_free_datagram(svsk->sk_sk, skb); + skb_free_datagram_locked(svsk->sk_sk, skb); } } @@ -578,7 +578,7 @@ static int svc_udp_recvfrom(struct svc_rqst *rqstp) "svc: received unknown control message %d/%d; " "dropping RPC reply datagram\n", cmh->cmsg_level, cmh->cmsg_type); - skb_free_datagram(svsk->sk_sk, skb); + skb_free_datagram_locked(svsk->sk_sk, skb); return 0; } @@ -588,18 +588,18 @@ static int svc_udp_recvfrom(struct svc_rqst *rqstp) if (csum_partial_copy_to_xdr(&rqstp->rq_arg, skb)) { local_bh_enable(); /* checksum error */ - skb_free_datagram(svsk->sk_sk, skb); + skb_free_datagram_locked(svsk->sk_sk, skb); return 0; } local_bh_enable(); - skb_free_datagram(svsk->sk_sk, skb); + skb_free_datagram_locked(svsk->sk_sk, skb); } else { /* we can use it in-place */ rqstp->rq_arg.head[0].iov_base = skb->data + sizeof(struct udphdr); rqstp->rq_arg.head[0].iov_len = len; if (skb_checksum_complete(skb)) { - skb_free_datagram(svsk->sk_sk, skb); + skb_free_datagram_locked(svsk->sk_sk, skb); return 0; } rqstp->rq_xprt_ctxt = skb; diff --git a/net/wireless/core.h b/net/wireless/core.h index 2a33d8bc886..68b321997d4 100644 --- a/net/wireless/core.h +++ b/net/wireless/core.h @@ -358,6 +358,7 @@ int cfg80211_mgd_wext_connect(struct cfg80211_registered_device *rdev, struct wireless_dev *wdev); void cfg80211_conn_work(struct work_struct *work); +void cfg80211_sme_failed_assoc(struct wireless_dev *wdev); bool cfg80211_sme_failed_reassoc(struct wireless_dev *wdev); /* internal helpers */ diff --git a/net/wireless/mlme.c b/net/wireless/mlme.c index 79d2eec54ce..0a6b7a0eca6 100644 --- a/net/wireless/mlme.c +++ b/net/wireless/mlme.c @@ -62,6 +62,7 @@ void cfg80211_send_rx_assoc(struct net_device *dev, const u8 *buf, size_t len) u8 *ie = mgmt->u.assoc_resp.variable; int i, ieoffs = offsetof(struct ieee80211_mgmt, u.assoc_resp.variable); struct cfg80211_internal_bss *bss = NULL; + bool need_connect_result = true; wdev_lock(wdev); @@ -94,6 +95,14 @@ void cfg80211_send_rx_assoc(struct net_device *dev, const u8 *buf, size_t len) } WARN_ON(!bss); + } else if (wdev->conn) { + cfg80211_sme_failed_assoc(wdev); + need_connect_result = false; + /* + * do not call connect_result() now because the + * sme will schedule work that does it later. + */ + goto out; } if (!wdev->conn && wdev->sme_state == CFG80211_SME_IDLE) { diff --git a/net/wireless/sme.c b/net/wireless/sme.c index 93c3ed32920..9f0b2800a9d 100644 --- a/net/wireless/sme.c +++ b/net/wireless/sme.c @@ -26,6 +26,7 @@ struct cfg80211_conn { CFG80211_CONN_AUTHENTICATING, CFG80211_CONN_ASSOCIATE_NEXT, CFG80211_CONN_ASSOCIATING, + CFG80211_CONN_DEAUTH_ASSOC_FAIL, } state; u8 bssid[ETH_ALEN], prev_bssid[ETH_ALEN]; u8 *ie; @@ -148,6 +149,12 @@ static int cfg80211_conn_do_work(struct wireless_dev *wdev) NULL, 0, WLAN_REASON_DEAUTH_LEAVING); return err; + case CFG80211_CONN_DEAUTH_ASSOC_FAIL: + __cfg80211_mlme_deauth(rdev, wdev->netdev, params->bssid, + NULL, 0, + WLAN_REASON_DEAUTH_LEAVING); + /* return an error so that we call __cfg80211_connect_result() */ + return -EINVAL; default: return 0; } @@ -158,6 +165,7 @@ void cfg80211_conn_work(struct work_struct *work) struct cfg80211_registered_device *rdev = container_of(work, struct cfg80211_registered_device, conn_work); struct wireless_dev *wdev; + u8 bssid_buf[ETH_ALEN], *bssid = NULL; rtnl_lock(); cfg80211_lock_rdev(rdev); @@ -173,10 +181,13 @@ void cfg80211_conn_work(struct work_struct *work) wdev_unlock(wdev); continue; } + if (wdev->conn->params.bssid) { + memcpy(bssid_buf, wdev->conn->params.bssid, ETH_ALEN); + bssid = bssid_buf; + } if (cfg80211_conn_do_work(wdev)) __cfg80211_connect_result( - wdev->netdev, - wdev->conn->params.bssid, + wdev->netdev, bssid, NULL, 0, NULL, 0, WLAN_STATUS_UNSPECIFIED_FAILURE, false, NULL); @@ -337,6 +348,15 @@ bool cfg80211_sme_failed_reassoc(struct wireless_dev *wdev) return true; } +void cfg80211_sme_failed_assoc(struct wireless_dev *wdev) +{ + struct wiphy *wiphy = wdev->wiphy; + struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy); + + wdev->conn->state = CFG80211_CONN_DEAUTH_ASSOC_FAIL; + schedule_work(&rdev->conn_work); +} + void __cfg80211_connect_result(struct net_device *dev, const u8 *bssid, const u8 *req_ie, size_t req_ie_len, const u8 *resp_ie, size_t resp_ie_len, |