net: add a limit parameter to sk_add_backlog()

sk_add_backlog() & sk_rcvqueues_full() hard coded sk_rcvbuf as the
memory limit. We need to make this limit a parameter for TCP use.

No functional change expected in this patch, all callers still using the
old sk_rcvbuf limit.

Signed-off-by: Eric Dumazet <[email protected]>
Cc: Neal Cardwell <[email protected]>
Cc: Tom Herbert <[email protected]>
Cc: Maciej Żenczykowski <[email protected]>
Cc: Yuchung Cheng <[email protected]>
Cc: Ilpo Järvinen <[email protected]>
Cc: Rick Jones <[email protected]>
Signed-off-by: David S. Miller <[email protected]>
This commit is contained in:
Eric Dumazet 2012-04-22 23:34:26 +00:00 • committed by David S. Miller
commit f545a38f74
10 changed files with 21 additions and 19 deletions

View file

@ -828,7 +828,7 @@ void llc_conn_handler(struct llc_sap *sap, struct sk_buff *skb)
else {
dprintk("%s: adding to backlog...\n", __func__);
llc_set_backlog_type(skb, LLC_PACKET);
if (sk_add_backlog(sk, skb))
if (sk_add_backlog(sk, skb, sk->sk_rcvbuf))
goto drop_unlock;
}
out: