Commit 269084f7 authored by Menglong Dong's avatar Menglong Dong Committed by Jakub Kicinski
Browse files

net: tcp: refresh tcp_mstamp for compressed ack in timer 



For now, we refresh the tcp_mstamp for delayed acks and keepalives, but
not for the compressed ack in tcp_compressed_ack_kick().

I have not found out the effact of the tcp_mstamp when sending ack, but
we can still refresh it for the compressed ack to keep consistent.

Signed-off-by: default avatarMenglong Dong <dongml2@chinatelecom.cn>
Reviewed-by: default avatarEric Dumazet <edumazet@google.com>
Link: https://patch.msgid.link/20241003082231.759759-1-dongml2@chinatelecom.cn


Signed-off-by: default avatarJakub Kicinski <kuba@kernel.org>
parent 8b641b5e

net/ipv4/tcp_timer.c

+1 −0
Original line number Diff line number Diff line
@@ -865,6 +865,7 @@ static enum hrtimer_restart tcp_compressed_ack_kick(struct hrtimer *timer) 
			 * LINUX_MIB_TCPACKCOMPRESSED accurate.

			 */

			tp->compressed_ack--;

			tcp_mstamp_refresh(tp);

			tcp_send_ack(sk);

		}

	} else {