diff options
| author | Florian Westphal <fw@strlen.de> | 2014-02-25 13:34:32 (GMT) |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2014-02-26 20:23:30 (GMT) |
| commit | 8e165e20348b53583f6c6cb45865b89209f4aa13 (patch) | |
| tree | 26eab521fe1c2ac3aca539d832d747f2c42bc930 /include | |
| parent | 2ebe21fdde1c92ef1654f23d29194145be0e1ddc (diff) | |
| download | linux-8e165e20348b53583f6c6cb45865b89209f4aa13.tar.xz | |
net: tcp: add mib counters to track zero window transitions
Three counters are added:
- one to track when we went from non-zero to zero window
- one to track the reverse
- one counter incremented when we want to announce zero window,
but can't because we would shrink current window.
Suggested-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: Florian Westphal <fw@strlen.de>
Acked-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'include')
| -rw-r--r-- | include/uapi/linux/snmp.h | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/include/uapi/linux/snmp.h b/include/uapi/linux/snmp.h index bbaba22..8d64a7e 100644 --- a/include/uapi/linux/snmp.h +++ b/include/uapi/linux/snmp.h @@ -259,6 +259,9 @@ enum LINUX_MIB_TCPSPURIOUS_RTX_HOSTQUEUES, /* TCPSpuriousRtxHostQueues */ LINUX_MIB_BUSYPOLLRXPACKETS, /* BusyPollRxPackets */ LINUX_MIB_TCPAUTOCORKING, /* TCPAutoCorking */ + LINUX_MIB_TCPFROMZEROWINDOWADV, /* TCPFromZeroWindowAdv */ + LINUX_MIB_TCPTOZEROWINDOWADV, /* TCPToZeroWindowAdv */ + LINUX_MIB_TCPWANTZEROWINDOWADV, /* TCPWantZeroWindowAdv */ __LINUX_MIB_MAX }; |