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author | Tom Herbert <therbert@google.com> | 2010-12-08 12:16:33 -0800 |
---|---|---|
committer | David S. Miller <davem@davemloft.net> | 2010-12-08 12:16:33 -0800 |
commit | 67631510a318d5a930055fe927607f483716e100 (patch) | |
tree | fd98bd3ab939a22188c72d4371c263af2d756192 | |
parent | 171995e5d82dcc92bea37a7d2a2ecc21068a0f19 (diff) | |
download | linux-stable-67631510a318d5a930055fe927607f483716e100.tar.gz linux-stable-67631510a318d5a930055fe927607f483716e100.tar.bz2 linux-stable-67631510a318d5a930055fe927607f483716e100.zip |
tcp: Replace time wait bucket msg by counter
Rather than printing the message to the log, use a mib counter to keep
track of the count of occurences of time wait bucket overflow. Reduces
spam in logs.
Signed-off-by: Tom Herbert <therbert@google.com>
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_minisocks.c | 2 |
3 files changed, 3 insertions, 1 deletions
diff --git a/include/linux/snmp.h b/include/linux/snmp.h index ebb0c80ffd6e..12b2b18e50c1 100644 --- a/include/linux/snmp.h +++ b/include/linux/snmp.h @@ -230,6 +230,7 @@ enum LINUX_MIB_TCPMINTTLDROP, /* RFC 5082 */ LINUX_MIB_TCPDEFERACCEPTDROP, LINUX_MIB_IPRPFILTER, /* IP Reverse Path Filter (rp_filter) */ + LINUX_MIB_TCPTIMEWAITOVERFLOW, /* TCPTimeWaitOverflow */ __LINUX_MIB_MAX }; diff --git a/net/ipv4/proc.c b/net/ipv4/proc.c index 1b48eb1ed453..b14ec7d03b6e 100644 --- a/net/ipv4/proc.c +++ b/net/ipv4/proc.c @@ -253,6 +253,7 @@ static const struct snmp_mib snmp4_net_list[] = { SNMP_MIB_ITEM("TCPMinTTLDrop", LINUX_MIB_TCPMINTTLDROP), SNMP_MIB_ITEM("TCPDeferAcceptDrop", LINUX_MIB_TCPDEFERACCEPTDROP), SNMP_MIB_ITEM("IPReversePathFilter", LINUX_MIB_IPRPFILTER), + SNMP_MIB_ITEM("TCPTimeWaitOverflow", LINUX_MIB_TCPTIMEWAITOVERFLOW), SNMP_MIB_SENTINEL }; diff --git a/net/ipv4/tcp_minisocks.c b/net/ipv4/tcp_minisocks.c index 43cf901d7659..a66735f75963 100644 --- a/net/ipv4/tcp_minisocks.c +++ b/net/ipv4/tcp_minisocks.c @@ -347,7 +347,7 @@ void tcp_time_wait(struct sock *sk, int state, int timeo) * socket up. We've got bigger problems than * non-graceful socket closings. */ - LIMIT_NETDEBUG(KERN_INFO "TCP: time wait bucket table overflow\n"); + NET_INC_STATS_BH(sock_net(sk), LINUX_MIB_TCPTIMEWAITOVERFLOW); } tcp_update_metrics(sk); |