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| author | Eric Dumazet <edumazet@google.com> | 2012-07-16 01:41:36 +0000 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2012-07-16 22:12:00 -0700 |
| commit | a6df1ae9383697c4eb1365176002f154982325ad (patch) | |
| tree | 8afa8c1407bebeef9774dd673cef9d36efed07bd /net/ipv4/proc.c | |
| parent | 141e369de698f2e17bf716b83fcc647ddcb2220c (diff) | |
| download | blackbird-op-linux-a6df1ae9383697c4eb1365176002f154982325ad.tar.gz blackbird-op-linux-a6df1ae9383697c4eb1365176002f154982325ad.zip | |
tcp: add OFO snmp counters
Add three SNMP TCP counters, to better track TCP behavior
at global stage (netstat -s), when packets are received
Out Of Order (OFO)
TCPOFOQueue : Number of packets queued in OFO queue
TCPOFODrop : Number of packets meant to be queued in OFO
but dropped because socket rcvbuf limit hit.
TCPOFOMerge : Number of packets in OFO that were merged with
other packets.
Signed-off-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/ipv4/proc.c')
| -rw-r--r-- | net/ipv4/proc.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/net/ipv4/proc.c b/net/ipv4/proc.c index 8af0d44e4e22..dae25e7622cf 100644 --- a/net/ipv4/proc.c +++ b/net/ipv4/proc.c @@ -258,6 +258,9 @@ static const struct snmp_mib snmp4_net_list[] = { SNMP_MIB_ITEM("TCPReqQFullDrop", LINUX_MIB_TCPREQQFULLDROP), SNMP_MIB_ITEM("TCPRetransFail", LINUX_MIB_TCPRETRANSFAIL), SNMP_MIB_ITEM("TCPRcvCoalesce", LINUX_MIB_TCPRCVCOALESCE), + SNMP_MIB_ITEM("TCPOFOQueue", LINUX_MIB_TCPOFOQUEUE), + SNMP_MIB_ITEM("TCPOFODrop", LINUX_MIB_TCPOFODROP), + SNMP_MIB_ITEM("TCPOFOMerge", LINUX_MIB_TCPOFOMERGE), SNMP_MIB_SENTINEL }; |
