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[SOCK]: Introduce sk_receive_skb

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Its common enough to to justify that, TCP still can't use it as it has the
prequeueing stuff, still to be made generic in the not so distant future :-)

Signed-off-by: Arnaldo Carvalho de Melo <acme@mandriva.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Arnaldo Carvalho de Melo
2005-12-27 02:42:22 -02:00
committed by David S. Miller
parent ce1d4d3e88
commit 25995ff577
5 changed files with 29 additions and 73 deletions
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23
include/net/sock.h
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@@ -926,6 +926,29 @@ static inline void sock_put(struct sock *sk)
sk_free(sk);
}
static inline int sk_receive_skb(struct sock *sk, struct sk_buff *skb)
{
int rc = NET_RX_SUCCESS;
if (sk_filter(sk, skb, 0))
goto discard_and_relse;
skb->dev = NULL;
bh_lock_sock(sk);
if (!sock_owned_by_user(sk))
rc = sk->sk_backlog_rcv(sk, skb);
else
sk_add_backlog(sk, skb);
bh_unlock_sock(sk);
out:
sock_put(sk);
return rc;
discard_and_relse:
kfree_skb(skb);
goto out;
}
/* Detach socket from process context.
* Announce socket dead, detach it from wait queue and inode.
* Note that parent inode held reference count on this struct sock,