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| author | Ilpo Järvinen <ilpo.jarvinen@helsinki.fi> | 2007-09-25 22:47:31 -0700 |
|---|---|---|
| committer | David S. Miller <davem@sunset.davemloft.net> | 2007-10-10 16:52:39 -0700 |
| commit | 912d8f0b1f17b7e851ebbfeb17a16de9f9c7cb88 (patch) | |
| tree | 176cf4f23aaae9790d947579473da1f8d349a942 | |
| parent | 93e680202929802558f783fbd96c41697ae65472 (diff) | |
| download | linux-912d8f0b1f17b7e851ebbfeb17a16de9f9c7cb88.tar.gz linux-912d8f0b1f17b7e851ebbfeb17a16de9f9c7cb88.tar.bz2 linux-912d8f0b1f17b7e851ebbfeb17a16de9f9c7cb88.zip | |
[TCP] MIB: Count FRTO's successfully detected spurious RTOs
Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@helsinki.fi>
Signed-off-by: David S. Miller <davem@davemloft.net>
| -rw-r--r-- | include/linux/snmp.h | 1 | ||||
| -rw-r--r-- | net/ipv4/proc.c | 1 | ||||
| -rw-r--r-- | net/ipv4/tcp_input.c | 1 |
3 files changed, 3 insertions, 0 deletions
diff --git a/include/linux/snmp.h b/include/linux/snmp.h index d8fd3ec4148a..89f0c2b5f405 100644 --- a/include/linux/snmp.h +++ b/include/linux/snmp.h @@ -213,6 +213,7 @@ enum LINUX_MIB_TCPSACKDISCARD, /* TCPSACKDiscard */ LINUX_MIB_TCPDSACKIGNOREDOLD, /* TCPSACKIgnoredOld */ LINUX_MIB_TCPDSACKIGNOREDNOUNDO, /* TCPSACKIgnoredNoUndo */ + LINUX_MIB_TCPSPURIOUSRTOS, /* TCPSpuriousRTOs */ __LINUX_MIB_MAX }; diff --git a/net/ipv4/proc.c b/net/ipv4/proc.c index 2015148b41a8..9dee70e1cf0d 100644 --- a/net/ipv4/proc.c +++ b/net/ipv4/proc.c @@ -245,6 +245,7 @@ static const struct snmp_mib snmp4_net_list[] = { SNMP_MIB_ITEM("TCPSACKDiscard", LINUX_MIB_TCPSACKDISCARD), SNMP_MIB_ITEM("TCPDSACKIgnoredOld", LINUX_MIB_TCPDSACKIGNOREDOLD), SNMP_MIB_ITEM("TCPDSACKIgnoredNoUndo", LINUX_MIB_TCPDSACKIGNOREDNOUNDO), + SNMP_MIB_ITEM("TCPSpuriousRTOs", LINUX_MIB_TCPSPURIOUSRTOS), SNMP_MIB_SENTINEL }; diff --git a/net/ipv4/tcp_input.c b/net/ipv4/tcp_input.c index 4866e75e98e0..4b27739031fb 100644 --- a/net/ipv4/tcp_input.c +++ b/net/ipv4/tcp_input.c @@ -2935,6 +2935,7 @@ static int tcp_process_frto(struct sock *sk, int flag) } tp->frto_counter = 0; tp->undo_marker = 0; + NET_INC_STATS_BH(LINUX_MIB_TCPSPURIOUSRTOS); } return 0; } |