diff options
| author |   Eric Dumazet <edumazet@google.com> | 2016-04-01 08:52:20 -0700 |
|---|---|---|
| committer |   David S. Miller <davem@davemloft.net> | 2016-04-04 22:11:20 -0400 |
| commit | 9caad864151e525929d323de96cad382da49c3b2 (patch) | |
| tree | 76935ef9f746ebccd30c6cb397bc920ad1cb4b98 /net/ipv6/tcp_ipv6.c | |
| parent | tcp: increment sk_drops for dropped rx packets (diff) | |
| download | linux-dev-9caad864151e525929d323de96cad382da49c3b2.tar.xz linux-dev-9caad864151e525929d323de96cad382da49c3b2.zip | |
tcp: increment sk_drops for listeners
Goal: packets dropped by a listener are accounted for.
This adds tcp_listendrop() helper, and clears sk_drops in sk_clone_lock()
so that children do not inherit their parent drop count.
Note that we no longer increment LINUX_MIB_LISTENDROPS counter when
sending a SYNCOOKIE, since the SYN packet generated a SYNACK.
We already have a separate LINUX_MIB_SYNCOOKIESSENT
Signed-off-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/ipv6/tcp_ipv6.c')
| -rw-r--r-- | net/ipv6/tcp_ipv6.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/net/ipv6/tcp_ipv6.c b/net/ipv6/tcp_ipv6.c index 5fa8fea394c9..7cde1b6fdda3 100644 --- a/net/ipv6/tcp_ipv6.c +++ b/net/ipv6/tcp_ipv6.c @@ -964,7 +964,7 @@ static int tcp_v6_conn_request(struct sock *sk, struct sk_buff *skb) &tcp_request_sock_ipv6_ops, sk, skb); drop: - NET_INC_STATS_BH(sock_net(sk), LINUX_MIB_LISTENDROPS); + tcp_listendrop(sk); return 0; /* don't send reset */ } @@ -1169,7 +1169,7 @@ out_overflow: out_nonewsk: dst_release(dst); out: - NET_INC_STATS_BH(sock_net(sk), LINUX_MIB_LISTENDROPS); + tcp_listendrop(sk); return NULL; } |