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udp: Add MIB counters for rcvbuferrors

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Add MIB counters for rcvbuferrors in UDP to help diagnose problems.

Signed-off-by: James M Leddy <james.leddy@redhat.com>
Acked-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
James M Leddy
2014-06-25 17:38:13 -04:00
committed by David S. Miller
parent 73413ffac3
commit 3e215c8d1b
2 changed files with 9 additions and 2 deletions
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5
net/ipv4/udp.c
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@@ -1588,8 +1588,11 @@ int udp_queue_rcv_skb(struct sock *sk, struct sk_buff *skb)
goto csum_error;
if (sk_rcvqueues_full(sk, skb, sk->sk_rcvbuf))
if (sk_rcvqueues_full(sk, skb, sk->sk_rcvbuf)) {
UDP_INC_STATS_BH(sock_net(sk), UDP_MIB_RCVBUFERRORS,
is_udplite);
goto drop;
}
rc = 0;