tcp: use limited socket backlog

Make tcp adapt to the limited socket backlog change.

Cc: "David S. Miller" <davem@davemloft.net>
Cc: Alexey Kuznetsov <kuznet@ms2.inr.ac.ru>
Cc: "Pekka Savola (ipv6)" <pekkas@netcore.fi>
Cc: Patrick McHardy <kaber@trash.net>
Signed-off-by: Zhu Yi <yi.zhu@intel.com>
Acked-by: Eric Dumazet <eric.dumazet@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Zhu Yi 2010-03-04 18:01:41 +00:00 committed by David S. Miller
parent 8eae939f14
commit 6b03a53a5a
2 changed files with 8 additions and 4 deletions

View File

@ -1682,8 +1682,10 @@ process:
if (!tcp_prequeue(sk, skb))
ret = tcp_v4_do_rcv(sk, skb);
}
} else
sk_add_backlog(sk, skb);
} else if (sk_add_backlog_limited(sk, skb)) {
bh_unlock_sock(sk);
goto discard_and_relse;
}
bh_unlock_sock(sk);
sock_put(sk);

View File

@ -1740,8 +1740,10 @@ process:
if (!tcp_prequeue(sk, skb))
ret = tcp_v6_do_rcv(sk, skb);
}
} else
sk_add_backlog(sk, skb);
} else if (sk_add_backlog_limited(sk, skb)) {
bh_unlock_sock(sk);
goto discard_and_relse;
}
bh_unlock_sock(sk);
sock_put(sk);