]> git.baikalelectronics.ru Git - kernel.git/commit
projects / kernel.git / commit
? search:
summary | shortlog | log | commit | commitdiff | tree
(parent: 96ba1ba) | patch
tcp: fix delayed acks behavior for SO_RCVLOWAT
authorEric Dumazet <edumazet@google.com>
Mon, 16 Apr 2018 17:33:36 +0000 (10:33 -0700)
committerDavid S. Miller <davem@davemloft.net>
Mon, 16 Apr 2018 22:26:37 +0000 (18:26 -0400)
commit43ad16f31a6f2864a6e8297b01a560831cfd734e
treed758c4141548f9a997602c3beb25e1ca26bad54etree | snapshot
parent96ba1ba9c27ae0194894b7e81e03cbfaad8a41f6commit | diff
tcp: fix delayed acks behavior for SO_RCVLOWAT

We should not delay acks if there are not enough bytes
in receive queue to satisfy SO_RCVLOWAT.

Since [E]POLLIN event is not going to be generated, there is little
hope for a delayed ack to be useful.

In fact, delaying ACK prevents sender from completing
the transfer.

Signed-off-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
net/ipv4/tcp_input.c diff | blob | history
Linux Kernel Source Tree.