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authorDmitry Torokhov <dmitry.torokhov@gmail.com>2010-05-19 10:12:41 -0700
committerDmitry Torokhov <dmitry.torokhov@gmail.com>2010-05-19 10:12:41 -0700
commit8d0bc2b456103a34c11e01305cd1aed1cde579e5 (patch)
tree5e1e6ad55cc9e2b5c5617f6f320114b8cff9e3f3 /net
parent30ba3ead05763b172acaa65ae1be71af2a878940 (diff)
parente40152ee1e1c7a63f4777791863215e3faa37a86 (diff)
Merge commit 'v2.6.34' into next
Diffstat (limited to 'net')
-rw-r--r--net/bluetooth/l2cap.c5
-rw-r--r--net/bridge/br_multicast.c10
-rw-r--r--net/can/raw.c2
-rw-r--r--net/core/dev.c19
-rw-r--r--net/core/rtnetlink.c164
-rw-r--r--net/ieee802154/af_ieee802154.c3
-rw-r--r--net/ipv4/arp.c6
-rw-r--r--net/ipv4/fib_trie.c4
-rw-r--r--net/ipv4/ip_output.c2
-rw-r--r--net/ipv4/ipmr.c3
-rw-r--r--net/ipv4/tcp.c34
-rw-r--r--net/ipv4/udp.c10
-rw-r--r--net/ipv6/af_inet6.c2
-rw-r--r--net/ipv6/datagram.c8
-rw-r--r--net/ipv6/ip6_output.c4
-rw-r--r--net/ipv6/route.c2
-rw-r--r--net/ipv6/tcp_ipv6.c2
-rw-r--r--net/ipv6/udp.c4
-rw-r--r--net/ipv6/xfrm6_policy.c2
-rw-r--r--net/llc/llc_sap.c2
-rw-r--r--net/mac80211/agg-tx.c1
-rw-r--r--net/mac80211/main.c4
-rw-r--r--net/mac80211/mesh.c3
-rw-r--r--net/mac80211/mlme.c5
-rw-r--r--net/mac80211/rx.c5
-rw-r--r--net/mac80211/sta_info.c20
-rw-r--r--net/packet/af_packet.c2
-rw-r--r--net/rds/rdma_transport.c2
-rw-r--r--net/sctp/associola.c6
-rw-r--r--net/sctp/endpointola.c1
-rw-r--r--net/sctp/input.c22
-rw-r--r--net/sctp/sm_make_chunk.c94
-rw-r--r--net/sctp/sm_sideeffect.c61
-rw-r--r--net/sctp/sm_statefuns.c8
-rw-r--r--net/sctp/socket.c14
-rw-r--r--net/sctp/transport.c6
-rw-r--r--net/sunrpc/auth.c2
-rw-r--r--net/x25/af_x25.c68
-rw-r--r--net/x25/x25_facilities.c27
-rw-r--r--net/x25/x25_in.c15
40 files changed, 492 insertions, 162 deletions
diff --git a/net/bluetooth/l2cap.c b/net/bluetooth/l2cap.c
index 99d68c34e4f..9753b690a8b 100644
--- a/net/bluetooth/l2cap.c
+++ b/net/bluetooth/l2cap.c
@@ -1626,7 +1626,10 @@ static int l2cap_sock_sendmsg(struct kiocb *iocb, struct socket *sock, struct ms
/* Connectionless channel */
if (sk->sk_type == SOCK_DGRAM) {
skb = l2cap_create_connless_pdu(sk, msg, len);
- err = l2cap_do_send(sk, skb);
+ if (IS_ERR(skb))
+ err = PTR_ERR(skb);
+ else
+ err = l2cap_do_send(sk, skb);
goto done;
}
diff --git a/net/bridge/br_multicast.c b/net/bridge/br_multicast.c
index 6980625537c..eaa0e1bae49 100644
--- a/net/bridge/br_multicast.c
+++ b/net/bridge/br_multicast.c
@@ -723,11 +723,11 @@ static int br_multicast_igmp3_report(struct net_bridge *br,
if (!pskb_may_pull(skb, len))
return -EINVAL;
- grec = (void *)(skb->data + len);
+ grec = (void *)(skb->data + len - sizeof(*grec));
group = grec->grec_mca;
type = grec->grec_type;
- len += grec->grec_nsrcs * 4;
+ len += ntohs(grec->grec_nsrcs) * 4;
if (!pskb_may_pull(skb, len))
return -EINVAL;
@@ -957,9 +957,6 @@ static int br_multicast_ipv4_rcv(struct net_bridge *br,
unsigned offset;
int err;
- BR_INPUT_SKB_CB(skb)->igmp = 0;
- BR_INPUT_SKB_CB(skb)->mrouters_only = 0;
-
/* We treat OOM as packet loss for now. */
if (!pskb_may_pull(skb, sizeof(*iph)))
return -EINVAL;
@@ -1049,6 +1046,9 @@ err_out:
int br_multicast_rcv(struct net_bridge *br, struct net_bridge_port *port,
struct sk_buff *skb)
{
+ BR_INPUT_SKB_CB(skb)->igmp = 0;
+ BR_INPUT_SKB_CB(skb)->mrouters_only = 0;
+
if (br->multicast_disabled)
return 0;
diff --git a/net/can/raw.c b/net/can/raw.c
index 3a7dffb6519..da99cf153b3 100644
--- a/net/can/raw.c
+++ b/net/can/raw.c
@@ -445,7 +445,7 @@ static int raw_setsockopt(struct socket *sock, int level, int optname,
return -EFAULT;
}
} else if (count == 1) {
- if (copy_from_user(&sfilter, optval, optlen))
+ if (copy_from_user(&sfilter, optval, sizeof(sfilter)))
return -EFAULT;
}
diff --git a/net/core/dev.c b/net/core/dev.c
index 1c8a0ce473a..264137fce3a 100644
--- a/net/core/dev.c
+++ b/net/core/dev.c
@@ -1451,7 +1451,7 @@ static inline void net_timestamp(struct sk_buff *skb)
*
* return values:
* NET_RX_SUCCESS (no congestion)
- * NET_RX_DROP (packet was dropped)
+ * NET_RX_DROP (packet was dropped, but freed)
*
* dev_forward_skb can be used for injecting an skb from the
* start_xmit function of one device into the receive queue
@@ -1465,12 +1465,11 @@ int dev_forward_skb(struct net_device *dev, struct sk_buff *skb)
{
skb_orphan(skb);
- if (!(dev->flags & IFF_UP))
- return NET_RX_DROP;
-
- if (skb->len > (dev->mtu + dev->hard_header_len))
+ if (!(dev->flags & IFF_UP) ||
+ (skb->len > (dev->mtu + dev->hard_header_len))) {
+ kfree_skb(skb);
return NET_RX_DROP;
-
+ }
skb_set_dev(skb, dev);
skb->tstamp.tv64 = 0;
skb->pkt_type = PACKET_HOST;
@@ -1989,8 +1988,12 @@ static struct netdev_queue *dev_pick_tx(struct net_device *dev,
if (dev->real_num_tx_queues > 1)
queue_index = skb_tx_hash(dev, skb);
- if (sk && sk->sk_dst_cache)
- sk_tx_queue_set(sk, queue_index);
+ if (sk) {
+ struct dst_entry *dst = rcu_dereference_bh(sk->sk_dst_cache);
+
+ if (dst && skb_dst(skb) == dst)
+ sk_tx_queue_set(sk, queue_index);
+ }
}
}
diff --git a/net/core/rtnetlink.c b/net/core/rtnetlink.c
index 4568120d853..31e85d327aa 100644
--- a/net/core/rtnetlink.c
+++ b/net/core/rtnetlink.c
@@ -602,12 +602,19 @@ static void copy_rtnl_link_stats(struct rtnl_link_stats *a,
a->tx_compressed = b->tx_compressed;
};
+/* All VF info */
static inline int rtnl_vfinfo_size(const struct net_device *dev)
{
- if (dev->dev.parent && dev_is_pci(dev->dev.parent))
- return dev_num_vf(dev->dev.parent) *
- sizeof(struct ifla_vf_info);
- else
+ if (dev->dev.parent && dev_is_pci(dev->dev.parent)) {
+
+ int num_vfs = dev_num_vf(dev->dev.parent);
+ size_t size = nlmsg_total_size(sizeof(struct nlattr));
+ size += nlmsg_total_size(num_vfs * sizeof(struct nlattr));
+ size += num_vfs * (sizeof(struct ifla_vf_mac) +
+ sizeof(struct ifla_vf_vlan) +
+ sizeof(struct ifla_vf_tx_rate));
+ return size;
+ } else
return 0;
}
@@ -629,7 +636,7 @@ static inline size_t if_nlmsg_size(const struct net_device *dev)
+ nla_total_size(1) /* IFLA_OPERSTATE */
+ nla_total_size(1) /* IFLA_LINKMODE */
+ nla_total_size(4) /* IFLA_NUM_VF */
- + nla_total_size(rtnl_vfinfo_size(dev)) /* IFLA_VFINFO */
+ + rtnl_vfinfo_size(dev) /* IFLA_VFINFO_LIST */
+ rtnl_link_get_size(dev); /* IFLA_LINKINFO */
}
@@ -700,14 +707,37 @@ static int rtnl_fill_ifinfo(struct sk_buff *skb, struct net_device *dev,
if (dev->netdev_ops->ndo_get_vf_config && dev->dev.parent) {
int i;
- struct ifla_vf_info ivi;
- NLA_PUT_U32(skb, IFLA_NUM_VF, dev_num_vf(dev->dev.parent));
- for (i = 0; i < dev_num_vf(dev->dev.parent); i++) {
+ struct nlattr *vfinfo, *vf;
+ int num_vfs = dev_num_vf(dev->dev.parent);
+
+ NLA_PUT_U32(skb, IFLA_NUM_VF, num_vfs);
+ vfinfo = nla_nest_start(skb, IFLA_VFINFO_LIST);
+ if (!vfinfo)
+ goto nla_put_failure;
+ for (i = 0; i < num_vfs; i++) {
+ struct ifla_vf_info ivi;
+ struct ifla_vf_mac vf_mac;
+ struct ifla_vf_vlan vf_vlan;
+ struct ifla_vf_tx_rate vf_tx_rate;
if (dev->netdev_ops->ndo_get_vf_config(dev, i, &ivi))
break;
- NLA_PUT(skb, IFLA_VFINFO, sizeof(ivi), &ivi);
+ vf_mac.vf = vf_vlan.vf = vf_tx_rate.vf = ivi.vf;
+ memcpy(vf_mac.mac, ivi.mac, sizeof(ivi.mac));
+ vf_vlan.vlan = ivi.vlan;
+ vf_vlan.qos = ivi.qos;
+ vf_tx_rate.rate = ivi.tx_rate;
+ vf = nla_nest_start(skb, IFLA_VF_INFO);
+ if (!vf) {
+ nla_nest_cancel(skb, vfinfo);
+ goto nla_put_failure;
+ }
+ NLA_PUT(skb, IFLA_VF_MAC, sizeof(vf_mac), &vf_mac);
+ NLA_PUT(skb, IFLA_VF_VLAN, sizeof(vf_vlan), &vf_vlan);
+ NLA_PUT(skb, IFLA_VF_TX_RATE, sizeof(vf_tx_rate), &vf_tx_rate);
+ nla_nest_end(skb, vf);
}
+ nla_nest_end(skb, vfinfo);
}
if (dev->rtnl_link_ops) {
if (rtnl_link_fill(skb, dev) < 0)
@@ -769,12 +799,7 @@ const struct nla_policy ifla_policy[IFLA_MAX+1] = {
[IFLA_LINKINFO] = { .type = NLA_NESTED },
[IFLA_NET_NS_PID] = { .type = NLA_U32 },
[IFLA_IFALIAS] = { .type = NLA_STRING, .len = IFALIASZ-1 },
- [IFLA_VF_MAC] = { .type = NLA_BINARY,
- .len = sizeof(struct ifla_vf_mac) },
- [IFLA_VF_VLAN] = { .type = NLA_BINARY,
- .len = sizeof(struct ifla_vf_vlan) },
- [IFLA_VF_TX_RATE] = { .type = NLA_BINARY,
- .len = sizeof(struct ifla_vf_tx_rate) },
+ [IFLA_VFINFO_LIST] = {. type = NLA_NESTED },
};
EXPORT_SYMBOL(ifla_policy);
@@ -783,6 +808,19 @@ static const struct nla_policy ifla_info_policy[IFLA_INFO_MAX+1] = {
[IFLA_INFO_DATA] = { .type = NLA_NESTED },
};
+static const struct nla_policy ifla_vfinfo_policy[IFLA_VF_INFO_MAX+1] = {
+ [IFLA_VF_INFO] = { .type = NLA_NESTED },
+};
+
+static const struct nla_policy ifla_vf_policy[IFLA_VF_MAX+1] = {
+ [IFLA_VF_MAC] = { .type = NLA_BINARY,
+ .len = sizeof(struct ifla_vf_mac) },
+ [IFLA_VF_VLAN] = { .type = NLA_BINARY,
+ .len = sizeof(struct ifla_vf_vlan) },
+ [IFLA_VF_TX_RATE] = { .type = NLA_BINARY,
+ .len = sizeof(struct ifla_vf_tx_rate) },
+};
+
struct net *rtnl_link_get_net(struct net *src_net, struct nlattr *tb[])
{
struct net *net;
@@ -812,6 +850,52 @@ static int validate_linkmsg(struct net_device *dev, struct nlattr *tb[])
return 0;
}
+static int do_setvfinfo(struct net_device *dev, struct nlattr *attr)
+{
+ int rem, err = -EINVAL;
+ struct nlattr *vf;
+ const struct net_device_ops *ops = dev->netdev_ops;
+
+ nla_for_each_nested(vf, attr, rem) {
+ switch (nla_type(vf)) {
+ case IFLA_VF_MAC: {
+ struct ifla_vf_mac *ivm;
+ ivm = nla_data(vf);
+ err = -EOPNOTSUPP;
+ if (ops->ndo_set_vf_mac)
+ err = ops->ndo_set_vf_mac(dev, ivm->vf,
+ ivm->mac);
+ break;
+ }
+ case IFLA_VF_VLAN: {
+ struct ifla_vf_vlan *ivv;
+ ivv = nla_data(vf);
+ err = -EOPNOTSUPP;
+ if (ops->ndo_set_vf_vlan)
+ err = ops->ndo_set_vf_vlan(dev, ivv->vf,
+ ivv->vlan,
+ ivv->qos);
+ break;
+ }
+ case IFLA_VF_TX_RATE: {
+ struct ifla_vf_tx_rate *ivt;
+ ivt = nla_data(vf);
+ err = -EOPNOTSUPP;
+ if (ops->ndo_set_vf_tx_rate)
+ err = ops->ndo_set_vf_tx_rate(dev, ivt->vf,
+ ivt->rate);
+ break;
+ }
+ default:
+ err = -EINVAL;
+ break;
+ }
+ if (err)
+ break;
+ }
+ return err;
+}
+
static int do_setlink(struct net_device *dev, struct ifinfomsg *ifm,
struct nlattr **tb, char *ifname, int modified)
{
@@ -942,40 +1026,17 @@ static int do_setlink(struct net_device *dev, struct ifinfomsg *ifm,
write_unlock_bh(&dev_base_lock);
}
- if (tb[IFLA_VF_MAC]) {
- struct ifla_vf_mac *ivm;
- ivm = nla_data(tb[IFLA_VF_MAC]);
- err = -EOPNOTSUPP;
- if (ops->ndo_set_vf_mac)
- err = ops->ndo_set_vf_mac(dev, ivm->vf, ivm->mac);
- if (err < 0)
- goto errout;
- modified = 1;
- }
-
- if (tb[IFLA_VF_VLAN]) {
- struct ifla_vf_vlan *ivv;
- ivv = nla_data(tb[IFLA_VF_VLAN]);
- err = -EOPNOTSUPP;
- if (ops->ndo_set_vf_vlan)
- err = ops->ndo_set_vf_vlan(dev, ivv->vf,
- ivv->vlan,
- ivv->qos);
- if (err < 0)
- goto errout;
- modified = 1;
- }
- err = 0;
-
- if (tb[IFLA_VF_TX_RATE]) {
- struct ifla_vf_tx_rate *ivt;
- ivt = nla_data(tb[IFLA_VF_TX_RATE]);
- err = -EOPNOTSUPP;
- if (ops->ndo_set_vf_tx_rate)
- err = ops->ndo_set_vf_tx_rate(dev, ivt->vf, ivt->rate);
- if (err < 0)
- goto errout;
- modified = 1;
+ if (tb[IFLA_VFINFO_LIST]) {
+ struct nlattr *attr;
+ int rem;
+ nla_for_each_nested(attr, tb[IFLA_VFINFO_LIST], rem) {
+ if (nla_type(attr) != IFLA_VF_INFO)
+ goto errout;
+ err = do_setvfinfo(dev, attr);
+ if (err < 0)
+ goto errout;
+ modified = 1;
+ }
}
err = 0;
@@ -1270,10 +1331,11 @@ replay:
err = ops->newlink(net, dev, tb, data);
else
err = register_netdevice(dev);
- if (err < 0 && !IS_ERR(dev)) {
+
+ if (err < 0 && !IS_ERR(dev))
free_netdev(dev);
+ if (err < 0)
goto out;
- }
err = rtnl_configure_link(dev, ifm);
if (err < 0)
diff --git a/net/ieee802154/af_ieee802154.c b/net/ieee802154/af_ieee802154.c
index c7da600750b..93c91b633a5 100644
--- a/net/ieee802154/af_ieee802154.c
+++ b/net/ieee802154/af_ieee802154.c
@@ -151,6 +151,9 @@ static int ieee802154_dev_ioctl(struct sock *sk, struct ifreq __user *arg,
dev_load(sock_net(sk), ifr.ifr_name);
dev = dev_get_by_name(sock_net(sk), ifr.ifr_name);
+ if (!dev)
+ return -ENODEV;
+
if (dev->type == ARPHRD_IEEE802154 && dev->netdev_ops->ndo_do_ioctl)
ret = dev->netdev_ops->ndo_do_ioctl(dev, &ifr, cmd);
diff --git a/net/ipv4/arp.c b/net/ipv4/arp.c
index 6e747065c20..80769f1f9fa 100644
--- a/net/ipv4/arp.c
+++ b/net/ipv4/arp.c
@@ -661,13 +661,13 @@ struct sk_buff *arp_create(int type, int ptype, __be32 dest_ip,
#endif
#endif
-#ifdef CONFIG_FDDI
+#if defined(CONFIG_FDDI) || defined(CONFIG_FDDI_MODULE)
case ARPHRD_FDDI:
arp->ar_hrd = htons(ARPHRD_ETHER);
arp->ar_pro = htons(ETH_P_IP);
break;
#endif
-#ifdef CONFIG_TR
+#if defined(CONFIG_TR) || defined(CONFIG_TR_MODULE)
case ARPHRD_IEEE802_TR:
arp->ar_hrd = htons(ARPHRD_IEEE802);
arp->ar_pro = htons(ETH_P_IP);
@@ -1051,7 +1051,7 @@ static int arp_req_set(struct net *net, struct arpreq *r,
return -EINVAL;
}
switch (dev->type) {
-#ifdef CONFIG_FDDI
+#if defined(CONFIG_FDDI) || defined(CONFIG_FDDI_MODULE)
case ARPHRD_FDDI:
/*
* According to RFC 1390, FDDI devices should accept ARP
diff --git a/net/ipv4/fib_trie.c b/net/ipv4/fib_trie.c
index 59a838795e3..c98f115fb0f 100644
--- a/net/ipv4/fib_trie.c
+++ b/net/ipv4/fib_trie.c
@@ -209,7 +209,9 @@ static inline struct node *tnode_get_child_rcu(struct tnode *tn, unsigned int i)
{
struct node *ret = tnode_get_child(tn, i);
- return rcu_dereference(ret);
+ return rcu_dereference_check(ret,
+ rcu_read_lock_held() ||
+ lockdep_rtnl_is_held());
}
static inline int tnode_child_length(const struct tnode *tn)
diff --git a/net/ipv4/ip_output.c b/net/ipv4/ip_output.c
index c65f18e0936..d1bcc9f21d4 100644
--- a/net/ipv4/ip_output.c
+++ b/net/ipv4/ip_output.c
@@ -120,7 +120,7 @@ static int ip_dev_loopback_xmit(struct sk_buff *newskb)
newskb->pkt_type = PACKET_LOOPBACK;
newskb->ip_summed = CHECKSUM_UNNECESSARY;
WARN_ON(!skb_dst(newskb));
- netif_rx(newskb);
+ netif_rx_ni(newskb);
return 0;
}
diff --git a/net/ipv4/ipmr.c b/net/ipv4/ipmr.c
index 9d4f6d1340a..ec19a890c9a 100644
--- a/net/ipv4/ipmr.c
+++ b/net/ipv4/ipmr.c
@@ -754,7 +754,8 @@ ipmr_cache_unresolved(struct net *net, vifi_t vifi, struct sk_buff *skb)
c->next = mfc_unres_queue;
mfc_unres_queue = c;
- mod_timer(&ipmr_expire_timer, c->mfc_un.unres.expires);
+ if (atomic_read(&net->ipv4.cache_resolve_queue_len) == 1)
+ mod_timer(&ipmr_expire_timer, c->mfc_un.unres.expires);
}
/*
diff --git a/net/ipv4/tcp.c b/net/ipv4/tcp.c
index 0f8caf64caa..296150b2a62 100644
--- a/net/ipv4/tcp.c
+++ b/net/ipv4/tcp.c
@@ -2839,7 +2839,6 @@ static void __tcp_free_md5sig_pool(struct tcp_md5sig_pool * __percpu *pool)
if (p->md5_desc.tfm)
crypto_free_hash(p->md5_desc.tfm);
kfree(p);
- p = NULL;
}
}
free_percpu(pool);
@@ -2937,25 +2936,40 @@ retry:
EXPORT_SYMBOL(tcp_alloc_md5sig_pool);
-struct tcp_md5sig_pool *__tcp_get_md5sig_pool(int cpu)
+
+/**
+ * tcp_get_md5sig_pool - get md5sig_pool for this user
+ *
+ * We use percpu structure, so if we succeed, we exit with preemption
+ * and BH disabled, to make sure another thread or softirq handling
+ * wont try to get same context.
+ */
+struct tcp_md5sig_pool *tcp_get_md5sig_pool(void)
{
struct tcp_md5sig_pool * __percpu *p;
- spin_lock_bh(&tcp_md5sig_pool_lock);
+
+ local_bh_disable();
+
+ spin_lock(&tcp_md5sig_pool_lock);
p = tcp_md5sig_pool;
if (p)
tcp_md5sig_users++;
- spin_unlock_bh(&tcp_md5sig_pool_lock);
- return (p ? *per_cpu_ptr(p, cpu) : NULL);
-}
+ spin_unlock(&tcp_md5sig_pool_lock);
+
+ if (p)
+ return *per_cpu_ptr(p, smp_processor_id());
-EXPORT_SYMBOL(__tcp_get_md5sig_pool);
+ local_bh_enable();
+ return NULL;
+}
+EXPORT_SYMBOL(tcp_get_md5sig_pool);
-void __tcp_put_md5sig_pool(void)
+void tcp_put_md5sig_pool(void)
{
+ local_bh_enable();
tcp_free_md5sig_pool();
}
-
-EXPORT_SYMBOL(__tcp_put_md5sig_pool);
+EXPORT_SYMBOL(tcp_put_md5sig_pool);
int tcp_md5_hash_header(struct tcp_md5sig_pool *hp,
struct tcphdr *th)
diff --git a/net/ipv4/udp.c b/net/ipv4/udp.c
index 954bbfb39df..c36522a0f11 100644
--- a/net/ipv4/udp.c
+++ b/net/ipv4/udp.c
@@ -472,8 +472,8 @@ static struct sock *__udp4_lib_lookup(struct net *net, __be32 saddr,
if (hslot->count < hslot2->count)
goto begin;
- result = udp4_lib_lookup2(net, INADDR_ANY, sport,
- daddr, hnum, dif,
+ result = udp4_lib_lookup2(net, saddr, sport,
+ INADDR_ANY, hnum, dif,
hslot2, slot2);
}
rcu_read_unlock();
@@ -1527,6 +1527,9 @@ int __udp4_lib_rcv(struct sk_buff *skb, struct udp_table *udptable,
uh = udp_hdr(skb);
ulen = ntohs(uh->len);
+ saddr = ip_hdr(skb)->saddr;
+ daddr = ip_hdr(skb)->daddr;
+
if (ulen > skb->len)
goto short_packet;
@@ -1540,9 +1543,6 @@ int __udp4_lib_rcv(struct sk_buff *skb, struct udp_table *udptable,
if (udp4_csum_init(skb, uh, proto))
goto csum_error;
- saddr = ip_hdr(skb)->saddr;
- daddr = ip_hdr(skb)->daddr;
-
if (rt->rt_flags & (RTCF_BROADCAST|RTCF_MULTICAST))
return __udp4_lib_mcast_deliver(net, skb, uh,
saddr, daddr, udptable);
diff --git a/net/ipv6/af_inet6.c b/net/ipv6/af_inet6.c
index 3192aa02ba5..3f9e86b15e0 100644
--- a/net/ipv6/af_inet6.c
+++ b/net/ipv6/af_inet6.c
@@ -200,7 +200,7 @@ lookup_protocol:
inet_sk(sk)->pinet6 = np = inet6_sk_generic(sk);
np->hop_limit = -1;
- np->mcast_hops = -1;
+ np->mcast_hops = IPV6_DEFAULT_MCASTHOPS;
np->mc_loop = 1;
np->pmtudisc = IPV6_PMTUDISC_WANT;
np->ipv6only = net->ipv6.sysctl.bindv6only;
diff --git a/net/ipv6/datagram.c b/net/ipv6/datagram.c
index 622dc7939a1..61573885e45 100644
--- a/net/ipv6/datagram.c
+++ b/net/ipv6/datagram.c
@@ -222,6 +222,8 @@ void ipv6_icmp_error(struct sock *sk, struct sk_buff *skb, int err,
if (!skb)
return;
+ skb->protocol = htons(ETH_P_IPV6);
+
serr = SKB_EXT_ERR(skb);
serr->ee.ee_errno = err;
serr->ee.ee_origin = SO_EE_ORIGIN_ICMP6;
@@ -255,6 +257,8 @@ void ipv6_local_error(struct sock *sk, int err, struct flowi *fl, u32 info)
if (!skb)
return;
+ skb->protocol = htons(ETH_P_IPV6);
+
skb_put(skb, sizeof(struct ipv6hdr));
skb_reset_network_header(skb);
iph = ipv6_hdr(skb);
@@ -319,7 +323,7 @@ int ipv6_recv_error(struct sock *sk, struct msghdr *msg, int len)
sin->sin6_flowinfo = 0;
sin->sin6_port = serr->port;
sin->sin6_scope_id = 0;
- if (serr->ee.ee_origin == SO_EE_ORIGIN_ICMP6) {
+ if (skb->protocol == htons(ETH_P_IPV6)) {
ipv6_addr_copy(&sin->sin6_addr,
(struct in6_addr *)(nh + serr->addr_offset));
if (np->sndflow)
@@ -341,7 +345,7 @@ int ipv6_recv_error(struct sock *sk, struct msghdr *msg, int len)
sin->sin6_family = AF_INET6;
sin->sin6_flowinfo = 0;
sin->sin6_scope_id = 0;
- if (serr->ee.ee_origin == SO_EE_ORIGIN_ICMP6) {
+ if (skb->protocol == htons(ETH_P_IPV6)) {
ipv6_addr_copy(&sin->sin6_addr, &ipv6_hdr(skb)->saddr);
if (np->rxopt.all)
datagram_recv_ctl(sk, msg, skb);
diff --git a/net/ipv6/ip6_output.c b/net/ipv6/ip6_output.c
index 16c4391f952..75d5ef83009 100644
--- a/net/ipv6/ip6_output.c
+++ b/net/ipv6/ip6_output.c
@@ -108,7 +108,7 @@ static int ip6_dev_loopback_xmit(struct sk_buff *newskb)
newskb->ip_summed = CHECKSUM_UNNECESSARY;
WARN_ON(!skb_dst(newskb));
- netif_rx(newskb);
+ netif_rx_ni(newskb);
return 0;
}
@@ -629,7 +629,7 @@ static int ip6_fragment(struct sk_buff *skb, int (*output)(struct sk_buff *))
/* We must not fragment if the socket is set to force MTU discovery
* or if the skb it not generated by a local socket.
*/
- if (!skb->local_df) {
+ if (!skb->local_df && skb->len > mtu) {
skb->dev = skb_dst(skb)->dev;
icmpv6_send(skb, ICMPV6_PKT_TOOBIG, 0, mtu);
IP6_INC_STATS(net, ip6_dst_idev(skb_dst(skb)),
diff --git a/net/ipv6/route.c b/net/ipv6/route.c
index c2438e8cb9d..05ebd783304 100644
--- a/net/ipv6/route.c
+++ b/net/ipv6/route.c
@@ -815,7 +815,7 @@ struct dst_entry * ip6_route_output(struct net *net, struct sock *sk,
{
int flags = 0;
- if (rt6_need_strict(&fl->fl6_dst))
+ if (fl->oif || rt6_need_strict(&fl->fl6_dst))
flags |= RT6_LOOKUP_F_IFACE;
if (!ipv6_addr_any(&fl->fl6_src))
diff --git a/net/ipv6/tcp_ipv6.c b/net/ipv6/tcp_ipv6.c
index c92ebe8f80d..075f540ec19 100644
--- a/net/ipv6/tcp_ipv6.c
+++ b/net/ipv6/tcp_ipv6.c
@@ -1015,7 +1015,7 @@ static void tcp_v6_send_response(struct sk_buff *skb, u32 seq, u32 ack, u32 win,
skb_reserve(buff, MAX_HEADER + sizeof(struct ipv6hdr) + tot_len);
t1 = (struct tcphdr *) skb_push(buff, tot_len);
- skb_reset_transport_header(skb);
+ skb_reset_transport_header(buff);
/* Swap the send and the receive. */
memset(t1, 0, sizeof(*t1));
diff --git a/net/ipv6/udp.c b/net/ipv6/udp.c
index c177aea88c0..90824852f59 100644
--- a/net/ipv6/udp.c
+++ b/net/ipv6/udp.c
@@ -259,8 +259,8 @@ static struct sock *__udp6_lib_lookup(struct net *net,
if (hslot->count < hslot2->count)
goto begin;
- result = udp6_lib_lookup2(net, &in6addr_any, sport,
- daddr, hnum, dif,
+ result = udp6_lib_lookup2(net, saddr, sport,
+ &in6addr_any, hnum, dif,
hslot2, slot2);
}
rcu_read_unlock();
diff --git a/net/ipv6/xfrm6_policy.c b/net/ipv6/xfrm6_policy.c
index ae181651c75..00bf7c962b7 100644
--- a/net/ipv6/xfrm6_policy.c
+++ b/net/ipv6/xfrm6_policy.c
@@ -124,7 +124,7 @@ static int xfrm6_fill_dst(struct xfrm_dst *xdst, struct net_device *dev,
xdst->u.dst.dev = dev;
dev_hold(dev);
- xdst->u.rt6.rt6i_idev = in6_dev_get(rt->u.dst.dev);
+ xdst->u.rt6.rt6i_idev = in6_dev_get(dev);
if (!xdst->u.rt6.rt6i_idev)
return -ENODEV;
diff --git a/net/llc/llc_sap.c b/net/llc/llc_sap.c
index a432f0ec051..94e7fca75b8 100644
--- a/net/llc/llc_sap.c
+++ b/net/llc/llc_sap.c
@@ -31,7 +31,7 @@ static int llc_mac_header_len(unsigned short devtype)
case ARPHRD_ETHER:
case ARPHRD_LOOPBACK:
return sizeof(struct ethhdr);
-#ifdef CONFIG_TR
+#if defined(CONFIG_TR) || defined(CONFIG_TR_MODULE)
case ARPHRD_IEEE802_TR:
return sizeof(struct trh_hdr);
#endif
diff --git a/net/mac80211/agg-tx.c b/net/mac80211/agg-tx.c
index 96d25348aa5..87782a4bb54 100644
--- a/net/mac80211/agg-tx.c
+++ b/net/mac80211/agg-tx.c
@@ -184,7 +184,6 @@ static void sta_addba_resp_timer_expired(unsigned long data)
HT_AGG_STATE_REQ_STOP_BA_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 "
"(or no longer) expecting addBA response there",
diff --git a/net/mac80211/main.c b/net/mac80211/main.c
index 06c33b68d8e..b887e484ae0 100644
--- a/net/mac80211/main.c
+++ b/net/mac80211/main.c
@@ -225,11 +225,11 @@ void ieee80211_bss_info_change_notify(struct ieee80211_sub_if_data *sdata,
switch (sdata->vif.type) {
case NL80211_IFTYPE_AP:
sdata->vif.bss_conf.enable_beacon =
- !!rcu_dereference(sdata->u.ap.beacon);
+ !!sdata->u.ap.beacon;
break;
case NL80211_IFTYPE_ADHOC:
sdata->vif.bss_conf.enable_beacon =
- !!rcu_dereference(sdata->u.ibss.presp);
+ !!sdata->u.ibss.presp;
break;
case NL80211_IFTYPE_MESH_POINT:
sdata->vif.bss_conf.enable_beacon = true;
diff --git a/net/mac80211/mesh.c b/net/mac80211/mesh.c
index 58e3e3a61d9..859ee5f3d94 100644
--- a/net/mac80211/mesh.c
+++ b/net/mac80211/mesh.c
@@ -750,9 +750,6 @@ ieee80211_mesh_rx_mgmt(struct ieee80211_sub_if_data *sdata, struct sk_buff *skb)
switch (fc & IEEE80211_FCTL_STYPE) {
case IEEE80211_STYPE_ACTION:
- if (skb->len < IEEE80211_MIN_ACTION_SIZE)
- return RX_DROP_MONITOR;
- /* fall through */
case IEEE80211_STYPE_PROBE_RESP:
case IEEE80211_STYPE_BEACON:
skb_queue_tail(&ifmsh->skb_queue, skb);
diff --git a/net/mac80211/mlme.c b/net/mac80211/mlme.c
index c8cd169fc10..875c8dec940 100644
--- a/net/mac80211/mlme.c
+++ b/net/mac80211/mlme.c
@@ -168,6 +168,8 @@ static u32 ieee80211_enable_ht(struct ieee80211_sub_if_data *sdata,
ht_changed = conf_is_ht(&local->hw.conf) != enable_ht ||
channel_type != local->hw.conf.channel_type;
+ if (local->tmp_channel)
+ local->tmp_channel_type = channel_type;
local->oper_channel_type = channel_type;
if (ht_changed) {
@@ -2028,7 +2030,8 @@ int ieee80211_mgd_deauth(struct ieee80211_sub_if_data *sdata,
continue;
if (wk->type != IEEE80211_WORK_DIRECT_PROBE &&
- wk->type != IEEE80211_WORK_AUTH)
+ wk->type != IEEE80211_WORK_AUTH &&
+ wk->type != IEEE80211_WORK_ASSOC)
continue;
if (memcmp(req->bss->bssid, wk->filter_ta, ETH_ALEN))
diff --git a/net/mac80211/rx.c b/net/mac80211/rx.c
index f0accf622cd..04ea07f0e78 100644
--- a/net/mac80211/rx.c
+++ b/net/mac80211/rx.c
@@ -1974,6 +1974,11 @@ ieee80211_rx_h_action(struct ieee80211_rx_data *rx)
goto handled;
}
break;
+ case MESH_PLINK_CATEGORY:
+ case MESH_PATH_SEL_CATEGORY:
+ if (ieee80211_vif_is_mesh(&sdata->vif))
+ return ieee80211_mesh_rx_mgmt(sdata, rx->skb);
+ break;
}
/*
diff --git a/net/mac80211/sta_info.c b/net/mac80211/sta_info.c
index 56422d89435..fb12cec4d33 100644
--- a/net/mac80211/sta_info.c
+++ b/net/mac80211/sta_info.c
@@ -93,12 +93,18 @@ struct sta_info *sta_info_get(struct ieee80211_sub_if_data *sdata,
struct ieee80211_local *local = sdata->local;
struct sta_info *sta;
- sta = rcu_dereference(local->sta_hash[STA_HASH(addr)]);
+ sta = rcu_dereference_check(local->sta_hash[STA_HASH(addr)],
+ rcu_read_lock_held() ||
+ lockdep_is_held(&local->sta_lock) ||
+ lockdep_is_held(&local->sta_mtx));
while (sta) {
if (sta->sdata == sdata &&
memcmp(sta->sta.addr, addr, ETH_ALEN) == 0)
break;
- sta = rcu_dereference(sta->hnext);
+ sta = rcu_dereference_check(sta->hnext,
+ rcu_read_lock_held() ||
+ lockdep_is_held(&local->sta_lock) ||
+ lockdep_is_held(&local->sta_mtx));
}
return sta;
}
@@ -113,13 +119,19 @@ struct sta_info *sta_info_get_bss(struct ieee80211_sub_if_data *sdata,
struct ieee80211_local *local = sdata->local;
struct sta_info *sta;
- sta = rcu_dereference(local->sta_hash[STA_HASH(addr)]);
+ sta = rcu_dereference_check(local->sta_hash[STA_HASH(addr)],
+ rcu_read_lock_held() ||
+ lockdep_is_held(&local->sta_lock) ||
+ lockdep_is_held(&local->sta_mtx));
while (sta) {
if ((sta->sdata == sdata ||
sta->sdata->bss == sdata->bss) &&
memcmp(sta->sta.addr, addr, ETH_ALEN) == 0)
break;
- sta = rcu_dereference(sta->hnext);
+ sta = rcu_dereference_check(sta->hnext,
+ rcu_read_lock_held() ||
+ lockdep_is_held(&local->sta_lock) ||
+ lockdep_is_held(&local->sta_mtx));
}
return sta;
}
diff --git a/net/packet/af_packet.c b/net/packet/af_packet.c
index cc90363d7e7..243946d4809 100644
--- a/net/packet/af_packet.c
+++ b/net/packet/af_packet.c
@@ -2169,8 +2169,6 @@ static int packet_ioctl(struct socket *sock, unsigned int cmd,
case SIOCGIFDSTADDR:
case SIOCSIFDSTADDR:
case SIOCSIFFLAGS:
- if (!net_eq(sock_net(sk), &init_net))
- return -ENOIOCTLCMD;
return inet_dgram_ops.ioctl(sock, cmd, arg);
#endif
diff --git a/net/rds/rdma_transport.c b/net/rds/rdma_transport.c
index 9ece910ea39..7b155081b4d 100644
--- a/net/rds/rdma_transport.c
+++ b/net/rds/rdma_transport.c
@@ -134,7 +134,7 @@ static int __init rds_rdma_listen_init(void)
ret = PTR_ERR(cm_id);
printk(KERN_ERR "RDS/RDMA: failed to setup listener, "
"rdma_create_id() returned %d\n", ret);
- goto out;
+ return ret;
}
sin.sin_family = AF_INET,
diff --git a/net/sctp/associola.c b/net/sctp/associola.c
index df5abbff63e..99c93ee98ad 100644
--- a/net/sctp/associola.c
+++ b/net/sctp/associola.c
@@ -1194,8 +1194,10 @@ void sctp_assoc_update(struct sctp_association *asoc,
/* Remove any peer addresses not present in the new association. */
list_for_each_safe(pos, temp, &asoc->peer.transport_addr_list) {
trans = list_entry(pos, struct sctp_transport, transports);
- if (!sctp_assoc_lookup_paddr(new, &trans->ipaddr))
- sctp_assoc_del_peer(asoc, &trans->ipaddr);
+ if (!sctp_assoc_lookup_paddr(new, &trans->ipaddr)) {
+ sctp_assoc_rm_peer(asoc, trans);
+ continue;
+ }
if (asoc->state >= SCTP_STATE_ESTABLISHED)
sctp_transport_reset(trans);
diff --git a/net/sctp/endpointola.c b/net/sctp/endpointola.c
index 905fda582b9..7ec09ba03a1 100644
--- a/net/sctp/endpointola.c
+++ b/net/sctp/endpointola.c
@@ -144,6 +144,7 @@ static struct sctp_endpoint *sctp_endpoint_init(struct sctp_endpoint *ep,
/* Use SCTP specific send buffer space queues. */
ep->sndbuf_policy = sctp_sndbuf_policy;
+ sk->sk_data_ready = sctp_data_ready;
sk->sk_write_space = sctp_write_space;
sock_set_flag(sk, SOCK_USE_WRITE_QUEUE);
diff --git a/net/sctp/input.c b/net/sctp/input.c
index 2a570184e5a..ea2192444ce 100644
--- a/net/sctp/input.c
+++ b/net/sctp/input.c
@@ -440,11 +440,25 @@ void sctp_icmp_proto_unreachable(struct sock *sk,
{
SCTP_DEBUG_PRINTK("%s\n", __func__);
- sctp_do_sm(SCTP_EVENT_T_OTHER,
- SCTP_ST_OTHER(SCTP_EVENT_ICMP_PROTO_UNREACH),
- asoc->state, asoc->ep, asoc, t,
- GFP_ATOMIC);
+ if (sock_owned_by_user(sk)) {
+ if (timer_pending(&t->proto_unreach_timer))
+ return;
+ else {
+ if (!mod_timer(&t->proto_unreach_timer,
+ jiffies + (HZ/20)))
+ sctp_association_hold(asoc);
+ }
+
+ } else {
+ if (timer_pending(&t->proto_unreach_timer) &&
+ del_timer(&t->proto_unreach_timer))
+ sctp_association_put(asoc);
+ sctp_do_sm(SCTP_EVENT_T_OTHER,
+ SCTP_ST_OTHER(SCTP_EVENT_ICMP_PROTO_UNREACH),
+ asoc->state, asoc->ep, asoc, t,
+ GFP_ATOMIC);
+ }
}
/* Common lookup code for icmp/icmpv6 error handler. */
diff --git a/net/sctp/sm_make_chunk.c b/net/sctp/sm_make_chunk.c
index 17cb400ecd6..30c1767186b 100644
--- a/net/sctp/sm_make_chunk.c
+++ b/net/sctp/sm_make_chunk.c
@@ -108,7 +108,7 @@ static const struct sctp_paramhdr prsctp_param = {
cpu_to_be16(sizeof(struct sctp_paramhdr)),
};
-/* A helper to initialize to initialize an op error inside a
+/* A helper to initialize an op error inside a
* provided chunk, as most cause codes will be embedded inside an
* abort chunk.
*/
@@ -125,6 +125,29 @@ void sctp_init_cause(struct sctp_chunk *chunk, __be16 cause_code,
chunk->subh.err_hdr = sctp_addto_chunk(chunk, sizeof(sctp_errhdr_t), &err);
}
+/* A helper to initialize an op error inside a
+ * provided chunk, as most cause codes will be embedded inside an
+ * abort chunk. Differs from sctp_init_cause in that it won't oops
+ * if there isn't enough space in the op error chunk
+ */
+int sctp_init_cause_fixed(struct sctp_chunk *chunk, __be16 cause_code,
+ size_t paylen)
+{
+ sctp_errhdr_t err;
+ __u16 len;
+
+ /* Cause code constants are now defined in network order. */
+ err.cause = cause_code;
+ len = sizeof(sctp_errhdr_t) + paylen;
+ err.length = htons(len);
+
+ if (skb_tailroom(chunk->skb) > len)
+ return -ENOSPC;
+ chunk->subh.err_hdr = sctp_addto_chunk_fixed(chunk,
+ sizeof(sctp_errhdr_t),
+ &err);
+ return 0;
+}
/* 3.3.2 Initiation (INIT) (1)
*
* This chunk is used to initiate a SCTP association between two
@@ -208,7 +231,8 @@ struct sctp_chunk *sctp_make_init(const struct sctp_association *asoc,
sp = sctp_sk(asoc->base.sk);
num_types = sp->pf->supported_addrs(sp, types);
- chunksize = sizeof(init) + addrs_len + SCTP_SAT_LEN(num_types);
+ chunksize = sizeof(init) + addrs_len;
+ chunksize += WORD_ROUND(SCTP_SAT_LEN(num_types));
chunksize += sizeof(ecap_param);
if (sctp_prsctp_enable)
@@ -238,14 +262,14 @@ struct sctp_chunk *sctp_make_init(const struct sctp_association *asoc,
/* Add HMACS parameter length if any were defined */
auth_hmacs = (sctp_paramhdr_t *)asoc->c.auth_hmacs;
if (auth_hmacs->length)
- chunksize += ntohs(auth_hmacs->length);
+ chunksize += WORD_ROUND(ntohs(auth_hmacs->length));
else
auth_hmacs = NULL;
/* Add CHUNKS parameter length */
auth_chunks = (sctp_paramhdr_t *)asoc->c.auth_chunks;
if (auth_chunks->length)
- chunksize += ntohs(auth_chunks->length);
+ chunksize += WORD_ROUND(ntohs(auth_chunks->length));
else
auth_chunks = NULL;
@@ -255,7 +279,8 @@ struct sctp_chunk *sctp_make_init(const struct sctp_association *asoc,
/* If we have any extensions to report, account for that */
if (num_ext)
- chunksize += sizeof(sctp_supported_ext_param_t) + num_ext;
+ chunksize += WORD_ROUND(sizeof(sctp_supported_ext_param_t) +
+ num_ext);
/* RFC 2960 3.3.2 Initiation (INIT) (1)
*
@@ -397,13 +422,13 @@ struct sctp_chunk *sctp_make_init_ack(const struct sctp_association *asoc,
auth_hmacs = (sctp_paramhdr_t *)asoc->c.auth_hmacs;
if (auth_hmacs->length)
- chunksize += ntohs(auth_hmacs->length);
+ chunksize += WORD_ROUND(ntohs(auth_hmacs->length));
else
auth_hmacs = NULL;
auth_chunks = (sctp_paramhdr_t *)asoc->c.auth_chunks;
if (auth_chunks->length)
- chunksize += ntohs(auth_chunks->length);
+ chunksize += WORD_ROUND(ntohs(auth_chunks->length));
else
auth_chunks = NULL;
@@ -412,7 +437,8 @@ struct sctp_chunk *sctp_make_init_ack(const struct sctp_association *asoc,
}
if (num_ext)
- chunksize += sizeof(sctp_supported_ext_param_t) + num_ext;
+ chunksize += WORD_ROUND(sizeof(sctp_supported_ext_param_t) +
+ num_ext);
/* Now allocate and fill out the chunk. */
retval = sctp_make_chunk(asoc, SCTP_CID_INIT_ACK, 0, chunksize);
@@ -1129,6 +1155,24 @@ nodata:
return retval;
}
+/* Create an Operation Error chunk of a fixed size,
+ * specifically, max(asoc->pathmtu, SCTP_DEFAULT_MAXSEGMENT)
+ * This is a helper function to allocate an error chunk for
+ * for those invalid parameter codes in which we may not want
+ * to report all the errors, if the incomming chunk is large
+ */
+static inline struct sctp_chunk *sctp_make_op_error_fixed(
+ const struct sctp_association *asoc,
+ const struct sctp_chunk *chunk)
+{
+ size_t size = asoc ? asoc->pathmtu : 0;
+
+ if (!size)
+ size = SCTP_DEFAULT_MAXSEGMENT;
+
+ return sctp_make_op_error_space(asoc, chunk, size);
+}
+
/* Create an Operation Error chunk. */
struct sctp_chunk *sctp_make_op_error(const struct sctp_association *asoc,
const struct sctp_chunk *chunk,
@@ -1371,6 +1415,18 @@ void *sctp_addto_chunk(struct sctp_chunk *chunk, int len, const void *data)
return target;
}
+/* Append bytes to the end of a chunk. Returns NULL if there isn't sufficient
+ * space in the chunk
+ */
+void *sctp_addto_chunk_fixed(struct sctp_chunk *chunk,
+ int len, const void *data)
+{
+ if (skb_tailroom(chunk->skb) > len)
+ return sctp_addto_chunk(chunk, len, data);
+ else
+ return NULL;
+}
+
/* Append bytes from user space to the end of a chunk. Will panic if
* chunk is not big enough.
* Returns a kernel err value.
@@ -1974,13 +2030,12 @@ static sctp_ierror_t sctp_process_unk_param(const struct sctp_association *asoc,
* returning multiple unknown parameters.
*/
if (NULL == *errp)
- *errp = sctp_make_op_error_space(asoc, chunk,
- ntohs(chunk->chunk_hdr->length));
+ *errp = sctp_make_op_error_fixed(asoc, chunk);
if (*errp) {
- sctp_init_cause(*errp, SCTP_ERROR_UNKNOWN_PARAM,
+ sctp_init_cause_fixed(*errp, SCTP_ERROR_UNKNOWN_PARAM,
WORD_ROUND(ntohs(param.p->length)));
- sctp_addto_chunk(*errp,
+ sctp_addto_chunk_fixed(*errp,
WORD_ROUND(ntohs(param.p->length)),
param.v);
} else {
@@ -3315,21 +3370,6 @@ int sctp_process_asconf_ack(struct sctp_association *asoc,
sctp_chunk_free(asconf);
asoc->addip_last_asconf = NULL;
- /* Send the next asconf chunk from the addip chunk queue. */
- if (!list_empty(&asoc->addip_chunk_list)) {
- struct list_head *entry = asoc->addip_chunk_list.next;
- asconf = list_entry(entry, struct sctp_chunk, list);
-
- list_del_init(entry);
-
- /* Hold the chunk until an ASCONF_ACK is received. */
- sctp_chunk_hold(asconf);
- if (sctp_primitive_ASCONF(asoc, asconf))
- sctp_chunk_free(asconf);
- else
- asoc->addip_last_asconf = asconf;
- }
-
return retval;
}
diff --git a/net/sctp/sm_sideeffect.c b/net/sctp/sm_sideeffect.c
index 4c5bed9af4e..eb1f42f45fd 100644
--- a/net/sctp/sm_sideeffect.c
+++ b/net/sctp/sm_sideeffect.c
@@ -397,6 +397,41 @@ out_unlock:
sctp_transport_put(transport);
}
+/* Handle the timeout of the ICMP protocol unreachable timer. Trigger
+ * the correct state machine transition that will close the association.
+ */
+void sctp_generate_proto_unreach_event(unsigned long data)
+{
+ struct sctp_transport *transport = (struct sctp_transport *) data;
+ struct sctp_association *asoc = transport->asoc;
+
+ sctp_bh_lock_sock(asoc->base.sk);
+ if (sock_owned_by_user(asoc->base.sk)) {
+ SCTP_DEBUG_PRINTK("%s:Sock is busy.\n", __func__);
+
+ /* Try again later. */
+ if (!mod_timer(&transport->proto_unreach_timer,
+ jiffies + (HZ/20)))
+ sctp_association_hold(asoc);
+ goto out_unlock;
+ }
+
+ /* Is this structure just waiting around for us to actually
+ * get destroyed?
+ */
+ if (asoc->base.dead)
+ goto out_unlock;
+
+ sctp_do_sm(SCTP_EVENT_T_OTHER,
+ SCTP_ST_OTHER(SCTP_EVENT_ICMP_PROTO_UNREACH),
+ asoc->state, asoc->ep, asoc, transport, GFP_ATOMIC);
+
+out_unlock:
+ sctp_bh_unlock_sock(asoc->base.sk);
+ sctp_association_put(asoc);
+}
+
+
/* Inject a SACK Timeout event into the state machine. */
static void sctp_generate_sack_event(unsigned long data)
{
@@ -962,6 +997,29 @@ static int sctp_cmd_send_msg(struct sctp_association *asoc,
}
+/* Sent the next ASCONF packet currently stored in the association.
+ * This happens after the ASCONF_ACK was succeffully processed.
+ */
+static void sctp_cmd_send_asconf(struct sctp_association *asoc)
+{
+ /* Send the next asconf chunk from the addip chunk
+ * queue.
+ */
+ if (!list_empty(&asoc->addip_chunk_list)) {
+ struct list_head *entry = asoc->addip_chunk_list.next;
+ struct sctp_chunk *asconf = list_entry(entry,
+ struct sctp_chunk, list);
+ list_del_init(entry);
+
+ /* Hold the chunk until an ASCONF_ACK is received. */
+ sctp_chunk_hold(asconf);
+ if (sctp_primitive_ASCONF(asoc, asconf))
+ sctp_chunk_free(asconf);
+ else
+ asoc->addip_last_asconf = asconf;
+ }
+}
+
/* These three macros allow us to pull the debugging code out of the
* main flow of sctp_do_sm() to keep attention focused on the real
@@ -1617,6 +1675,9 @@ static int sctp_cmd_interpreter(sctp_event_t event_type,
}
error = sctp_cmd_send_msg(asoc, cmd->obj.msg);
break;
+ case SCTP_CMD_SEND_NEXT_ASCONF:
+ sctp_cmd_send_asconf(asoc);
+ break;
default:
printk(KERN_WARNING "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 abf601a1b84..24b2cd55563 100644
--- a/net/sctp/sm_statefuns.c
+++ b/net/sctp/sm_statefuns.c
@@ -3676,8 +3676,14 @@ sctp_disposition_t sctp_sf_do_asconf_ack(const struct sctp_endpoint *ep,
SCTP_TO(SCTP_EVENT_TIMEOUT_T4_RTO));
if (!sctp_process_asconf_ack((struct sctp_association *)asoc,
- asconf_ack))
+ asconf_ack)) {
+ /* Successfully processed ASCONF_ACK. We can
+ * release the next asconf if we have one.
+ */
+ sctp_add_cmd_sf(commands, SCTP_CMD_SEND_NEXT_ASCONF,
+ SCTP_NULL());
return SCTP_DISPOSITION_CONSUME;
+ }
abort = sctp_make_abort(asoc, asconf_ack,
sizeof(sctp_errhdr_t));
diff --git a/net/sctp/socket.c b/net/sctp/socket.c
index 007e8baba08..44a1ab03a3f 100644
--- a/net/sctp/socket.c
+++ b/net/sctp/socket.c
@@ -3719,12 +3719,12 @@ SCTP_STATIC int sctp_init_sock(struct sock *sk)
sp->hmac = NULL;
SCTP_DBG_OBJCNT_INC(sock);
- percpu_counter_inc(&sctp_sockets_allocated);
/* Set socket backlog limit. */
sk->sk_backlog.limit = sysctl_sctp_rmem[1];
local_bh_disable();
+ percpu_counter_inc(&sctp_sockets_allocated);
sock_prot_inuse_add(sock_net(sk), sk->sk_prot, 1);
local_bh_enable();
@@ -3741,8 +3741,8 @@ SCTP_STATIC void sctp_destroy_sock(struct sock *sk)
/* Release our hold on the endpoint. */
ep = sctp_sk(sk)->ep;
sctp_endpoint_free(ep);
- percpu_counter_dec(&sctp_sockets_allocated);
local_bh_disable();
+ percpu_counter_dec(&sctp_sockets_allocated);
sock_prot_inuse_add(sock_net(sk), sk->sk_prot, -1);
local_bh_enable();
}
@@ -6189,6 +6189,16 @@ do_nonblock:
goto out;
}
+void sctp_data_ready(struct sock *sk, int len)
+{
+ read_lock_bh(&sk->sk_callback_lock);
+ if (sk_has_sleeper(sk))
+ wake_up_interruptible_sync_poll(sk->sk_sleep, POLLIN |
+ POLLRDNORM | POLLRDBAND);
+ sk_wake_async(sk, SOCK_WAKE_WAITD, POLL_IN);
+ read_unlock_bh(&sk->sk_callback_lock);
+}
+
/* If socket sndbuf has changed, wake up all per association waiters. */
void sctp_write_space(struct sock *sk)
{
diff --git a/net/sctp/transport.c b/net/sctp/transport.c
index be4d63d5a5c..165d54e07fc 100644
--- a/net/sctp/transport.c
+++ b/net/sctp/transport.c
@@ -108,6 +108,8 @@ static struct sctp_transport *sctp_transport_init(struct sctp_transport *peer,
(unsigned long)peer);
setup_timer(&peer->hb_timer, sctp_generate_heartbeat_event,
(unsigned long)peer);
+ setup_timer(&peer->proto_unreach_timer,
+ sctp_generate_proto_unreach_event, (unsigned long)peer);
/* Initialize the 64-bit random nonce sent with heartbeat. */
get_random_bytes(&peer->hb_nonce, sizeof(peer->hb_nonce));
@@ -171,6 +173,10 @@ void sctp_transport_free(struct sctp_transport *transport)
del_timer(&transport->T3_rtx_timer))
sctp_transport_put(transport);
+ /* Delete the ICMP proto unreachable timer if it's active. */
+ if (timer_pending(&transport->proto_unreach_timer) &&
+ del_timer(&transport->proto_unreach_timer))
+ sctp_association_put(transport->asoc);
sctp_transport_put(transport);
}
diff --git a/net/sunrpc/auth.c b/net/sunrpc/auth.c
index f394fc190a4..95afe79dd9d 100644
--- a/net/sunrpc/auth.c
+++ b/net/sunrpc/auth.c
@@ -237,7 +237,7 @@ rpcauth_prune_expired(struct list_head *free, int nr_to_scan)
list_for_each_entry_safe(cred, next, &cred_unused, cr_lru) {
/* Enforce a 60 second garbage collection moratorium */
- if (time_in_range_open(cred->cr_expire, expired, jiffies) &&
+ if (time_in_range(cred->cr_expire, expired, jiffies) &&
test_bit(RPCAUTH_CRED_HASHED, &cred->cr_flags) != 0)
continue;
diff --git a/net/x25/af_x25.c b/net/x25/af_x25.c
index e56f711bacc..36e84e13c6a 100644
--- a/net/x25/af_x25.c
+++ b/net/x25/af_x25.c
@@ -83,6 +83,41 @@ struct compat_x25_subscrip_struct {
};
#endif
+
+int x25_parse_address_block(struct sk_buff *skb,
+ struct x25_address *called_addr,
+ struct x25_address *calling_addr)
+{
+ unsigned char len;
+ int needed;
+ int rc;
+
+ if (skb->len < 1) {
+ /* packet has no address block */
+ rc = 0;
+ goto empty;
+ }
+
+ len = *skb->data;
+ needed = 1 + (len >> 4) + (len & 0x0f);
+
+ if (skb->len < needed) {
+ /* packet is too short to hold the addresses it claims
+ to hold */
+ rc = -1;
+ goto empty;
+ }
+
+ return x25_addr_ntoa(skb->data, called_addr, calling_addr);
+
+empty:
+ *called_addr->x25_addr = 0;
+ *calling_addr->x25_addr = 0;
+
+ return rc;
+}
+
+
int x25_addr_ntoa(unsigned char *p, struct x25_address *called_addr,
struct x25_address *calling_addr)
{
@@ -367,6 +402,7 @@ static void __x25_destroy_socket(struct sock *sk)
/*
* Queue the unaccepted socket for death
*/
+ skb->sk->sk_state = TCP_LISTEN;
sock_set_flag(skb->sk, SOCK_DEAD);
x25_start_heartbeat(skb->sk);
x25_sk(skb->sk)->state = X25_STATE_0;
@@ -554,7 +590,8 @@ static int x25_create(struct net *net, struct socket *sock, int protocol,
x25->facilities.winsize_out = X25_DEFAULT_WINDOW_SIZE;
x25->facilities.pacsize_in = X25_DEFAULT_PACKET_SIZE;
x25->facilities.pacsize_out = X25_DEFAULT_PACKET_SIZE;
- x25->facilities.throughput = X25_DEFAULT_THROUGHPUT;
+ x25->facilities.throughput = 0; /* by default don't negotiate
+ throughput */
x25->facilities.reverse = X25_DEFAULT_REVERSE;
x25->dte_facilities.calling_len = 0;
x25->dte_facilities.called_len = 0;
@@ -922,16 +959,26 @@ int x25_rx_call_request(struct sk_buff *skb, struct x25_neigh *nb,
/*
* Extract the X.25 addresses and convert them to ASCII strings,
* and remove them.
+ *
+ * Address block is mandatory in call request packets
*/
- addr_len = x25_addr_ntoa(skb->data, &source_addr, &dest_addr);
+ addr_len = x25_parse_address_block(skb, &source_addr, &dest_addr);
+ if (addr_len <= 0)
+ goto out_clear_request;
skb_pull(skb, addr_len);
/*
* Get the length of the facilities, skip past them for the moment
* get the call user data because this is needed to determine
* the correct listener
+ *
+ * Facilities length is mandatory in call request packets
*/
+ if (skb->len < 1)
+ goto out_clear_request;
len = skb->data[0] + 1;
+ if (skb->len < len)
+ goto out_clear_request;
skb_pull(skb,len);
/*
@@ -1415,9 +1462,20 @@ static int x25_ioctl(struct socket *sock, unsigned int cmd, unsigned long arg)
if (facilities.winsize_in < 1 ||
facilities.winsize_in > 127)
break;
- if (facilities.throughput < 0x03 ||
- facilities.throughput > 0xDD)
- break;
+ if (facilities.throughput) {
+ int out = facilities.throughput & 0xf0;
+ int in = facilities.throughput & 0x0f;
+ if (!out)
+ facilities.throughput |=
+ X25_DEFAULT_THROUGHPUT << 4;
+ else if (out < 0x30 || out > 0xD0)
+ break;
+ if (!in)
+ facilities.throughput |=
+ X25_DEFAULT_THROUGHPUT;
+ else if (in < 0x03 || in > 0x0D)
+ break;
+ }
if (facilities.reverse &&
(facilities.reverse & 0x81) != 0x81)
break;
diff --git a/net/x25/x25_facilities.c b/net/x25/x25_facilities.c
index a21f6646eb3..771bab00754 100644
--- a/net/x25/x25_facilities.c
+++ b/net/x25/x25_facilities.c
@@ -35,7 +35,7 @@ int x25_parse_facilities(struct sk_buff *skb, struct x25_facilities *facilities,
struct x25_dte_facilities *dte_facs, unsigned long *vc_fac_mask)
{
unsigned char *p = skb->data;
- unsigned int len = *p++;
+ unsigned int len;
*vc_fac_mask = 0;
@@ -50,6 +50,14 @@ int x25_parse_facilities(struct sk_buff *skb, struct x25_facilities *facilities,
memset(dte_facs->called_ae, '\0', sizeof(dte_facs->called_ae));
memset(dte_facs->calling_ae, '\0', sizeof(dte_facs->calling_ae));
+ if (skb->len < 1)
+ return 0;
+
+ len = *p++;
+
+ if (len >= skb->len)
+ return -1;
+
while (len > 0) {
switch (*p & X25_FAC_CLASS_MASK) {
case X25_FAC_CLASS_A:
@@ -247,6 +255,8 @@ int x25_negotiate_facilities(struct sk_buff *skb, struct sock *sk,
memcpy(new, ours, sizeof(*new));
len = x25_parse_facilities(skb, &theirs, dte, &x25->vc_facil_mask);
+ if (len < 0)
+ return len;
/*
* They want reverse charging, we won't accept it.
@@ -259,9 +269,18 @@ int x25_negotiate_facilities(struct sk_buff *skb, struct sock *sk,
new->reverse = theirs.reverse;
if (theirs.throughput) {
- if (theirs.throughput < ours->throughput) {
- SOCK_DEBUG(sk, "X.25: throughput negotiated down\n");
- new->throughput = theirs.throughput;
+ int theirs_in = theirs.throughput & 0x0f;
+ int theirs_out = theirs.throughput & 0xf0;
+ int ours_in = ours->throughput & 0x0f;
+ int ours_out = ours->throughput & 0xf0;
+ if (!ours_in || theirs_in < ours_in) {
+ SOCK_DEBUG(sk, "X.25: inbound throughput negotiated\n");
+ new->throughput = (new->throughput & 0xf0) | theirs_in;
+ }
+ if (!ours_out || theirs_out < ours_out) {
+ SOCK_DEBUG(sk,
+ "X.25: outbound throughput negotiated\n");
+ new->throughput = (new->throughput & 0x0f) | theirs_out;
}
}
diff --git a/net/x25/x25_in.c b/net/x25/x25_in.c
index a31b3b9e596..372ac226e64 100644
--- a/net/x25/x25_in.c
+++ b/net/x25/x25_in.c
@@ -90,6 +90,7 @@ static int x25_queue_rx_frame(struct sock *sk, struct sk_buff *skb, int more)
static int x25_state1_machine(struct sock *sk, struct sk_buff *skb, int frametype)
{
struct x25_address source_addr, dest_addr;
+ int len;
switch (frametype) {
case X25_CALL_ACCEPTED: {
@@ -107,11 +108,17 @@ static int x25_state1_machine(struct sock *sk, struct sk_buff *skb, int frametyp
* Parse the data in the frame.
*/
skb_pull(skb, X25_STD_MIN_LEN);
- skb_pull(skb, x25_addr_ntoa(skb->data, &source_addr, &dest_addr));
- skb_pull(skb,
- x25_parse_facilities(skb, &x25->facilities,
+
+ len = x25_parse_address_block(skb, &source_addr,
+ &dest_addr);
+ if (len > 0)
+ skb_pull(skb, len);
+
+ len = x25_parse_facilities(skb, &x25->facilities,
&x25->dte_facilities,
- &x25->vc_facil_mask));
+ &x25->vc_facil_mask);
+ if (len > 0)
+ skb_pull(skb, len);
/*
* Copy any Call User Data.
*/