Eric Lee / linux-smarc-t335x-v3.2

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Commit 67631510a318d5a930055fe927607f483716e100

Authored by Tom Herbert
Committed by David S. Miller
1 parent 171995e5d8
Exists in master and in 4 other branches v3.2_AM335xPSP_04.06.00.11, v3.2_NEWT335xPSP_04.06.00.11, v3.2_SBC_SMARTMEN, v3.2_SMARCT335xPSP_04.06.00.11

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>

Showing 3 changed files with 3 additions and 1 deletions Side-by-side Diff

include/linux/snmp.h
Diff comments   View file @ 6763151
... ... @@ -230,6 +230,7 @@
230 230 LINUX_MIB_TCPMINTTLDROP, /* RFC 5082 */
231 231 LINUX_MIB_TCPDEFERACCEPTDROP,
232 232 LINUX_MIB_IPRPFILTER, /* IP Reverse Path Filter (rp_filter) */
  233 + LINUX_MIB_TCPTIMEWAITOVERFLOW, /* TCPTimeWaitOverflow */
233 234 __LINUX_MIB_MAX
234 235 };
235 236  
... ... @@ -253,6 +253,7 @@
253 253 SNMP_MIB_ITEM("TCPMinTTLDrop", LINUX_MIB_TCPMINTTLDROP),
254 254 SNMP_MIB_ITEM("TCPDeferAcceptDrop", LINUX_MIB_TCPDEFERACCEPTDROP),
255 255 SNMP_MIB_ITEM("IPReversePathFilter", LINUX_MIB_IPRPFILTER),
  256 + SNMP_MIB_ITEM("TCPTimeWaitOverflow", LINUX_MIB_TCPTIMEWAITOVERFLOW),
256 257 SNMP_MIB_SENTINEL
257 258 };
258 259  
net/ipv4/tcp_minisocks.c
Diff comments   View file @ 6763151
... ... @@ -347,7 +347,7 @@
347 347 * socket up. We've got bigger problems than
348 348 * non-graceful socket closings.
349 349 */
350   - LIMIT_NETDEBUG(KERN_INFO "TCP: time wait bucket table overflow\n");
  350 + NET_INC_STATS_BH(sock_net(sk), LINUX_MIB_TCPTIMEWAITOVERFLOW);
351 351 }
352 352  
353 353 tcp_update_metrics(sk);