tcp: add SNMP counter for zero-window drops

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It will be helpful if we could display the drops due to zero window or no
enough window space.
So a new SNMP MIB entry is added to track this behavior.
This entry is named LINUX_MIB_TCPZEROWINDOWDROP and published in
/proc/net/netstat in TcpExt line as TCPZeroWindowDrop.

Signed-off-by: Yafang Shao <laoar.shao@gmail.com>
Signed-off-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

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Yafang Shao 2018-06-24 10:02:54 -04:00 • committed by David S. Miller

parent 7e55052783

commit fb223502ec

3 changed files with 8 additions and 2 deletions

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include/uapi/linux/snmp.h

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