tcp: use REXMIT_NEW instead of magic number

Linux kernel mirror (for testing) git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git

kernel os linux

REXMIT_NEW is a macro for "FRTO-style
transmit of unsent/new packets", this patch
makes it more readable.

Signed-off-by: Mao Wenan <maowenan@huawei.com>
Acked-by: Neal Cardwell <ncardwell@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

authored by

Mao Wenan and committed by

David S. Miller 6 years ago d0e8bcaf 0d08c9ec

+1 -1

1 changed file

expand all

net

ipv4

tcp_input.c

+1 -1

net/ipv4/tcp_input.c

··· 3550 3550 if (rexmit == REXMIT_NONE || sk->sk_state == TCP_SYN_SENT) 3551 3551 return; 3552 3552 3553 - if (unlikely(rexmit == 2)) { 3553 + if (unlikely(rexmit == REXMIT_NEW)) { 3554 3554 __tcp_push_pending_frames(sk, tcp_current_mss(sk), 3555 3555 TCP_NAGLE_OFF); 3556 3556 if (after(tp->snd_nxt, tp->high_seq))