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| author | Eric Dumazet <eric.dumazet@gmail.com> | 2010-03-08 02:21:57 +0300 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2010-03-08 21:45:27 +0300 |
| commit | 6cce09f87a04797fae5b947ef2626c14a78f0b49 (patch) | |
| tree | a1d7638f9571a29db9bc5c5d8e0baee19597d59e /net/ipv4/proc.c | |
| parent | 4045635318538d3ddd2007720412fdc4b08f6a62 (diff) | |
| download | linux-6cce09f87a04797fae5b947ef2626c14a78f0b49.tar.xz | |
tcp: Add SNMP counters for backlog and min_ttl drops
Commit 6b03a53a (tcp: use limited socket backlog) added the possibility
of dropping frames when backlog queue is full.
Commit d218d111 (tcp: Generalized TTL Security Mechanism) added the
possibility of dropping frames when TTL is under a given limit.
This patch adds new SNMP MIB entries, named TCPBacklogDrop and
TCPMinTTLDrop, published in /proc/net/netstat in TcpExt: line
netstat -s | egrep "TCPBacklogDrop|TCPMinTTLDrop"
TCPBacklogDrop: 0
TCPMinTTLDrop: 0
Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/ipv4/proc.c')
| -rw-r--r-- | net/ipv4/proc.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/net/ipv4/proc.c b/net/ipv4/proc.c index 242ed2307370..4f1f337f4337 100644 --- a/net/ipv4/proc.c +++ b/net/ipv4/proc.c @@ -249,6 +249,8 @@ static const struct snmp_mib snmp4_net_list[] = { SNMP_MIB_ITEM("TCPSackShifted", LINUX_MIB_SACKSHIFTED), SNMP_MIB_ITEM("TCPSackMerged", LINUX_MIB_SACKMERGED), SNMP_MIB_ITEM("TCPSackShiftFallback", LINUX_MIB_SACKSHIFTFALLBACK), + SNMP_MIB_ITEM("TCPBacklogDrop", LINUX_MIB_TCPBACKLOGDROP), + SNMP_MIB_ITEM("TCPMinTTLDrop", LINUX_MIB_TCPMINTTLDROP), SNMP_MIB_SENTINEL }; |