diff options
| author | Stefan Richter <stefanr@s5r6.in-berlin.de> | 2006-09-17 18:17:19 +0200 |
|---|---|---|
| committer | Stefan Richter <stefanr@s5r6.in-berlin.de> | 2006-09-17 18:19:31 +0200 |
| commit | 9b4f2e9576658c4e52d95dc8d309f51b2e2db096 (patch) | |
| tree | 7b1902b0f931783fccc6fee45c6f9c16b4fde5ce /net/ipv4/tcp_ipv4.c | |
| parent | 3c6c65f5ed5a6d307bd607aecd06d658c0934d88 (diff) | |
| parent | 803db244b9f71102e366fd689000c1417b9a7508 (diff) | |
ieee1394: merge from Linus
Conflicts: drivers/ieee1394/hosts.c
Patch "lockdep: annotate ieee1394 skb-queue-head locking" was meddling
with patch "ieee1394: fix kerneldoc of hpsb_alloc_host".
Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
Diffstat (limited to 'net/ipv4/tcp_ipv4.c')
| -rw-r--r-- | net/ipv4/tcp_ipv4.c | 27 |
1 files changed, 21 insertions, 6 deletions
diff --git a/net/ipv4/tcp_ipv4.c b/net/ipv4/tcp_ipv4.c index 8355b729fa9..4b04c3edd4a 100644 --- a/net/ipv4/tcp_ipv4.c +++ b/net/ipv4/tcp_ipv4.c @@ -90,7 +90,7 @@ static struct socket *tcp_socket; void tcp_v4_send_check(struct sock *sk, int len, struct sk_buff *skb); struct inet_hashinfo __cacheline_aligned tcp_hashinfo = { - .lhash_lock = RW_LOCK_UNLOCKED, + .lhash_lock = __RW_LOCK_UNLOCKED(tcp_hashinfo.lhash_lock), .lhash_users = ATOMIC_INIT(0), .lhash_wait = __WAIT_QUEUE_HEAD_INITIALIZER(tcp_hashinfo.lhash_wait), }; @@ -438,7 +438,6 @@ void tcp_v4_err(struct sk_buff *skb, u32 info) It can f.e. if SYNs crossed. */ if (!sock_owned_by_user(sk)) { - TCP_INC_STATS_BH(TCP_MIB_ATTEMPTFAILS); sk->sk_err = err; sk->sk_error_report(sk); @@ -496,6 +495,24 @@ void tcp_v4_send_check(struct sock *sk, int len, struct sk_buff *skb) } } +int tcp_v4_gso_send_check(struct sk_buff *skb) +{ + struct iphdr *iph; + struct tcphdr *th; + + if (!pskb_may_pull(skb, sizeof(*th))) + return -EINVAL; + + iph = skb->nh.iph; + th = skb->h.th; + + th->check = 0; + th->check = ~tcp_v4_check(th, skb->len, iph->saddr, iph->daddr, 0); + skb->csum = offsetof(struct tcphdr, check); + skb->ip_summed = CHECKSUM_HW; + return 0; +} + /* * This routine will send an RST to the other tcp. * @@ -856,7 +873,6 @@ int tcp_v4_conn_request(struct sock *sk, struct sk_buff *skb) drop_and_free: reqsk_free(req); drop: - TCP_INC_STATS_BH(TCP_MIB_ATTEMPTFAILS); return 0; } @@ -1090,7 +1106,7 @@ process: skb->dev = NULL; - bh_lock_sock(sk); + bh_lock_sock_nested(sk); ret = 0; if (!sock_owned_by_user(sk)) { #ifdef CONFIG_NET_DMA @@ -1622,10 +1638,9 @@ static int tcp_seq_open(struct inode *inode, struct file *file) if (unlikely(afinfo == NULL)) return -EINVAL; - s = kmalloc(sizeof(*s), GFP_KERNEL); + s = kzalloc(sizeof(*s), GFP_KERNEL); if (!s) return -ENOMEM; - memset(s, 0, sizeof(*s)); s->family = afinfo->family; s->seq_ops.start = tcp_seq_start; s->seq_ops.next = tcp_seq_next; |