tcp: md5: add LINUX_MIB_TCPMD5FAILURE counter
authorEric Dumazet <edumazet@google.com>
Wed, 24 Aug 2016 16:01:23 +0000 (09:01 -0700)
committerDavid S. Miller <davem@davemloft.net>
Thu, 25 Aug 2016 23:43:11 +0000 (16:43 -0700)
commit72145a68e4ee116533df49af4b87aca0aacc179c
tree31b022a336cbd4cb3554a7b3a46f1e9ec35f6e1c
parente65c332de8a0c9f570847ec490b60effffcd5320
tcp: md5: add LINUX_MIB_TCPMD5FAILURE counter

Adds SNMP counter for drops caused by MD5 mismatches.

The current syslog might help, but a counter is more precise and helps
monitoring.

Signed-off-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
include/uapi/linux/snmp.h
net/ipv4/proc.c
net/ipv4/tcp_ipv4.c
net/ipv6/tcp_ipv6.c