Merge refs/heads/ieee80211-wifi from master.kernel.org:/pub/scm/linux/kernel/git...

[linux-2.6] / net / ipv6 / raw.c

diff --git a/net/ipv6/raw.c b/net/ipv6/raw.c
index 1352c1d9bf4d35f6619d3dce4996b69578bdb2d2..7a5863298f3f8efe49977a9a7d39edf5fba71442 100644 (file)
--- a/net/ipv6/raw.c
+++ b/net/ipv6/raw.c
@@ -49,6 +49,7 @@
 #include <net/transp_v6.h>
 #include <net/udp.h>
 #include <net/inet_common.h>
+#include <net/tcp_states.h>
 
 #include <net/rawv6.h>
 #include <net/xfrm.h>
@@ -81,7 +82,8 @@ static void raw_v6_unhash(struct sock *sk)
 
 /* Grumble... icmp and ip_input want to get at this... */
 struct sock *__raw_v6_lookup(struct sock *sk, unsigned short num,
-                            struct in6_addr *loc_addr, struct in6_addr *rmt_addr)
+                            struct in6_addr *loc_addr, struct in6_addr *rmt_addr,
+                            int dif)
 {
        struct hlist_node *node;
        int is_multicast = ipv6_addr_is_multicast(loc_addr);
@@ -94,6 +96,9 @@ struct sock *__raw_v6_lookup(struct sock *sk, unsigned short num,
                            !ipv6_addr_equal(&np->daddr, rmt_addr))
                                continue;
 
+                       if (sk->sk_bound_dev_if && sk->sk_bound_dev_if != dif)
+                               continue;
+
                        if (!ipv6_addr_any(&np->rcv_saddr)) {
                                if (ipv6_addr_equal(&np->rcv_saddr, loc_addr))
                                        goto found;
@@ -137,11 +142,12 @@ static __inline__ int icmpv6_filter(struct sock *sk, struct sk_buff *skb)
  *
  *     Caller owns SKB so we must make clones.
  */
-void ipv6_raw_deliver(struct sk_buff *skb, int nexthdr)
+int ipv6_raw_deliver(struct sk_buff *skb, int nexthdr)
 {
        struct in6_addr *saddr;
        struct in6_addr *daddr;
        struct sock *sk;
+       int delivered = 0;
        __u8 hash;
 
        saddr = &skb->nh.ipv6h->saddr;
@@ -160,9 +166,10 @@ void ipv6_raw_deliver(struct sk_buff *skb, int nexthdr)
        if (sk == NULL)
                goto out;
 
-       sk = __raw_v6_lookup(sk, nexthdr, daddr, saddr);
+       sk = __raw_v6_lookup(sk, nexthdr, daddr, saddr, skb->dev->ifindex);
 
        while (sk) {
+               delivered = 1;
                if (nexthdr != IPPROTO_ICMPV6 || !icmpv6_filter(sk, skb)) {
                        struct sk_buff *clone = skb_clone(skb, GFP_ATOMIC);
 
@@ -170,10 +177,12 @@ void ipv6_raw_deliver(struct sk_buff *skb, int nexthdr)
                        if (clone)
                                rawv6_rcv(sk, clone);
                }
-               sk = __raw_v6_lookup(sk_next(sk), nexthdr, daddr, saddr);
+               sk = __raw_v6_lookup(sk_next(sk), nexthdr, daddr, saddr,
+                                    skb->dev->ifindex);
        }
 out:
        read_unlock(&raw_v6_lock);
+       return delivered;
 }
 
 /* This cleans up af_inet6 a bit. -DaveM */
@@ -328,12 +337,13 @@ int rawv6_rcv(struct sock *sk, struct sk_buff *skb)
 
        if (skb->ip_summed != CHECKSUM_UNNECESSARY) {
                if (skb->ip_summed == CHECKSUM_HW) {
+                       skb_postpull_rcsum(skb, skb->nh.raw,
+                                          skb->h.raw - skb->nh.raw);
                        skb->ip_summed = CHECKSUM_UNNECESSARY;
                        if (csum_ipv6_magic(&skb->nh.ipv6h->saddr,
                                            &skb->nh.ipv6h->daddr,
                                            skb->len, inet->num, skb->csum)) {
-                               LIMIT_NETDEBUG(
-                               printk(KERN_DEBUG "raw v6 hw csum failure.\n"));
+                               LIMIT_NETDEBUG(KERN_DEBUG "raw v6 hw csum failure.\n");
                                skb->ip_summed = CHECKSUM_NONE;
                        }
                }
@@ -434,12 +444,12 @@ csum_copy_err:
        /* Clear queue. */
        if (flags&MSG_PEEK) {
                int clear = 0;
-               spin_lock_irq(&sk->sk_receive_queue.lock);
+               spin_lock_bh(&sk->sk_receive_queue.lock);
                if (skb == skb_peek(&sk->sk_receive_queue)) {
                        __skb_unlink(skb, &sk->sk_receive_queue);
                        clear = 1;
                }
-               spin_unlock_irq(&sk->sk_receive_queue.lock);
+               spin_unlock_bh(&sk->sk_receive_queue.lock);
                if (clear)
                        kfree_skb(skb);
        }
@@ -455,11 +465,11 @@ csum_copy_err:
 static int rawv6_push_pending_frames(struct sock *sk, struct flowi *fl,
                                     struct raw6_sock *rp)
 {
-       struct inet_sock *inet = inet_sk(sk);
        struct sk_buff *skb;
        int err = 0;
        int offset;
        int len;
+       int total_len;
        u32 tmp_csum;
        u16 csum;
 
@@ -470,7 +480,8 @@ static int rawv6_push_pending_frames(struct sock *sk, struct flowi *fl,
                goto out;
 
        offset = rp->offset;
-       if (offset >= inet->cork.length - 1) {
+       total_len = inet_sk(sk)->cork.length - (skb->nh.raw - skb->data);
+       if (offset >= total_len - 1) {
                err = -EINVAL;
                ip6_flush_pending_frames(sk);
                goto out;
@@ -514,7 +525,7 @@ static int rawv6_push_pending_frames(struct sock *sk, struct flowi *fl,
 
        tmp_csum = csum_ipv6_magic(&fl->fl6_src,
                                   &fl->fl6_dst,
-                                  inet->cork.length, fl->proto, tmp_csum);
+                                  total_len, fl->proto, tmp_csum);
 
        if (tmp_csum == 0)
                tmp_csum = -1;
@@ -970,11 +981,11 @@ static int rawv6_ioctl(struct sock *sk, int cmd, unsigned long arg)
                        struct sk_buff *skb;
                        int amount = 0;
 
-                       spin_lock_irq(&sk->sk_receive_queue.lock);
+                       spin_lock_bh(&sk->sk_receive_queue.lock);
                        skb = skb_peek(&sk->sk_receive_queue);
                        if (skb != NULL)
                                amount = skb->tail - skb->h.raw;
-                       spin_unlock_irq(&sk->sk_receive_queue.lock);
+                       spin_unlock_bh(&sk->sk_receive_queue.lock);
                        return put_user(amount, (int __user *)arg);
                }