diff options
author | samanthakumar <samanthakumar@google.com> | 2016-04-05 12:41:15 -0400 |
---|---|---|
committer | David S. Miller <davem@davemloft.net> | 2016-04-05 16:29:37 -0400 |
commit | e6afc8ace6dd5cef5e812f26c72579da8806f5ac (patch) | |
tree | ff84943f8c480deb208fba4b768e911f0c1090bf /net/core | |
parent | b9bb53f3836f4eb2bdeb3447be11042bd29c2408 (diff) |
udp: remove headers from UDP packets before queueing
Remove UDP transport headers before queueing packets for reception.
This change simplifies a follow-up patch to add MSG_PEEK support.
Signed-off-by: Sam Kumar <samanthakumar@google.com>
Signed-off-by: Willem de Bruijn <willemb@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/core')
-rw-r--r-- | net/core/sock.c | 19 |
1 files changed, 13 insertions, 6 deletions
diff --git a/net/core/sock.c b/net/core/sock.c index 2f517ea56786..e12197b359fd 100644 --- a/net/core/sock.c +++ b/net/core/sock.c @@ -402,9 +402,8 @@ static void sock_disable_timestamp(struct sock *sk, unsigned long flags) } -int sock_queue_rcv_skb(struct sock *sk, struct sk_buff *skb) +int __sock_queue_rcv_skb(struct sock *sk, struct sk_buff *skb) { - int err; unsigned long flags; struct sk_buff_head *list = &sk->sk_receive_queue; @@ -414,10 +413,6 @@ int sock_queue_rcv_skb(struct sock *sk, struct sk_buff *skb) return -ENOMEM; } - err = sk_filter(sk, skb); - if (err) - return err; - if (!sk_rmem_schedule(sk, skb, skb->truesize)) { atomic_inc(&sk->sk_drops); return -ENOBUFS; @@ -440,6 +435,18 @@ int sock_queue_rcv_skb(struct sock *sk, struct sk_buff *skb) sk->sk_data_ready(sk); return 0; } +EXPORT_SYMBOL(__sock_queue_rcv_skb); + +int sock_queue_rcv_skb(struct sock *sk, struct sk_buff *skb) +{ + int err; + + err = sk_filter(sk, skb); + if (err) + return err; + + return __sock_queue_rcv_skb(sk, skb); +} EXPORT_SYMBOL(sock_queue_rcv_skb); int sk_receive_skb(struct sock *sk, struct sk_buff *skb, const int nested) |