On Tue, Feb 14, 2017 at 5:45 AM, Eric Dumazet <edumazet@xxxxxxxxxx> wrote: > > Could we now please Ack this v3 and merge it ? > BTW I found the limitation on sender side. After doing : lpaa23:~# ethtool -c eth0 Coalesce parameters for eth0: Adaptive RX: on TX: off stats-block-usecs: 0 sample-interval: 0 pkt-rate-low: 400000 pkt-rate-high: 450000 rx-usecs: 16 rx-frames: 44 rx-usecs-irq: 0 rx-frames-irq: 0 tx-usecs: 16 tx-frames: 16 tx-usecs-irq: 0 tx-frames-irq: 256 rx-usecs-low: 0 rx-frame-low: 0 tx-usecs-low: 0 tx-frame-low: 0 rx-usecs-high: 128 rx-frame-high: 0 tx-usecs-high: 0 tx-frame-high: 0 lpaa23:~# ethtool -C eth0 tx-usecs 8 tx-frames 8 -> 36 Gbit on a single TCP flow, this is the highest number I ever got. -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@xxxxxxxxx. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: <a href=mailto:"dont@xxxxxxxxx"> email@xxxxxxxxx </a>