diff options
| author |   Ilpo Järvinen <ilpo.jarvinen@helsinki.fi> | 2008-11-24 21:27:22 -0800 |
|---|---|---|
| committer |   David S. Miller <davem@davemloft.net> | 2008-11-24 21:27:22 -0800 |
| commit | 111cc8b913b42ef07793648b1699288332f273e1 (patch) | |
| tree | f74fb48630319113247b5ee0c660b24f2af160d9 /net/ipv4/tcp_input.c | |
| parent | tcp: Make shifting not clear the hints (diff) | |
| download | linux-dev-111cc8b913b42ef07793648b1699288332f273e1.tar.xz linux-dev-111cc8b913b42ef07793648b1699288332f273e1.zip | |
tcp: add some mibs to track collapsing
Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@helsinki.fi>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/ipv4/tcp_input.c')
| -rw-r--r-- | net/ipv4/tcp_input.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/net/ipv4/tcp_input.c b/net/ipv4/tcp_input.c index e6291dde3348..9f8a80ba17bd 100644 --- a/net/ipv4/tcp_input.c +++ b/net/ipv4/tcp_input.c @@ -1415,6 +1415,7 @@ static int tcp_shifted_skb(struct sock *sk, struct sk_buff *prev, if (skb->len > 0) { BUG_ON(!tcp_skb_pcount(skb)); + NET_INC_STATS_BH(sock_net(sk), LINUX_MIB_SACKSHIFTED); return 0; } @@ -1436,6 +1437,8 @@ static int tcp_shifted_skb(struct sock *sk, struct sk_buff *prev, tcp_unlink_write_queue(skb, sk); sk_wmem_free_skb(sk, skb); + NET_INC_STATS_BH(sock_net(sk), LINUX_MIB_SACKMERGED); + return 1; } @@ -1594,6 +1597,7 @@ noop: return skb; fallback: + NET_INC_STATS_BH(sock_net(sk), LINUX_MIB_SACKSHIFTFALLBACK); return NULL; } |