Re: [PATCH net-next] tcp: v1 always send a quick ack when quickacks are enabled

2015-07-09 Thread David Miller
From: Jon Maxwell Date: Wed, 8 Jul 2015 10:12:28 +1000 > V1 of this patch contains Eric Dumazet's suggestion to move the per > dst RTAX_QUICKACK check into tcp_in_quickack_mode(). Thanks Eric. > > I ran some tests and after setting the "ip route change quickack 1" > knob there were still many d

[PATCH net-next] tcp: v1 always send a quick ack when quickacks are enabled

2015-07-07 Thread Jon Maxwell
V1 of this patch contains Eric Dumazet's suggestion to move the per dst RTAX_QUICKACK check into tcp_in_quickack_mode(). Thanks Eric. I ran some tests and after setting the "ip route change quickack 1" knob there were still many delayed ACKs sent. This occured because when icsk_ack.quick=0 the !ic