Re: [PATCH net-next] tcp: force a PSH flag on TSO packets

2019-09-19 Thread Eric Dumazet
On Thu, Sep 19, 2019 at 7:01 AM Or Gerlitz wrote: > > On Thu, Sep 19, 2019 at 4:46 PM Eric Dumazet wrote: > > On 9/19/19 5:17 AM, Or Gerlitz wrote: > > > On Wed, Sep 11, 2019 at 12:54 AM Eric Dumazet wrote: > > >> When tcp sends a TSO packet, adding a PSH flag on it > > >> reduces the sojourn ti

Re: [PATCH net-next] tcp: force a PSH flag on TSO packets

2019-09-19 Thread Or Gerlitz
On Thu, Sep 19, 2019 at 4:46 PM Eric Dumazet wrote: > On 9/19/19 5:17 AM, Or Gerlitz wrote: > > On Wed, Sep 11, 2019 at 12:54 AM Eric Dumazet wrote: > >> When tcp sends a TSO packet, adding a PSH flag on it > >> reduces the sojourn time of GRO packet in GRO receivers. > >> > >> This is particular

Re: [PATCH net-next] tcp: force a PSH flag on TSO packets

2019-09-19 Thread Eric Dumazet
On 9/19/19 5:17 AM, Or Gerlitz wrote: > On Wed, Sep 11, 2019 at 12:54 AM Eric Dumazet wrote: >> When tcp sends a TSO packet, adding a PSH flag on it >> reduces the sojourn time of GRO packet in GRO receivers. >> >> This is particularly the case under pressure, since RX queues >> receive packets

Re: [PATCH net-next] tcp: force a PSH flag on TSO packets

2019-09-19 Thread David Miller
From: Or Gerlitz Date: Thu, 19 Sep 2019 15:17:54 +0300 > On Wed, Sep 11, 2019 at 12:54 AM Eric Dumazet wrote: >> When tcp sends a TSO packet, adding a PSH flag on it >> reduces the sojourn time of GRO packet in GRO receivers. >> >> This is particularly the case under pressure, since RX queues >>

Re: [PATCH net-next] tcp: force a PSH flag on TSO packets

2019-09-19 Thread Or Gerlitz
On Wed, Sep 11, 2019 at 12:54 AM Eric Dumazet wrote: > When tcp sends a TSO packet, adding a PSH flag on it > reduces the sojourn time of GRO packet in GRO receivers. > > This is particularly the case under pressure, since RX queues > receive packets for many concurrent flows. > > A sender can giv

Re: [PATCH net-next] tcp: force a PSH flag on TSO packets

2019-09-10 Thread Neal Cardwell
On Tue, Sep 10, 2019 at 5:49 PM Eric Dumazet wrote: > > When tcp sends a TSO packet, adding a PSH flag on it > reduces the sojourn time of GRO packet in GRO receivers. > > This is particularly the case under pressure, since RX queues > receive packets for many concurrent flows. > > A sender can gi

Re: [PATCH net-next] tcp: force a PSH flag on TSO packets

2019-09-10 Thread Soheil Hassas Yeganeh
On Tue, Sep 10, 2019 at 5:49 PM Eric Dumazet wrote: > > When tcp sends a TSO packet, adding a PSH flag on it > reduces the sojourn time of GRO packet in GRO receivers. > > This is particularly the case under pressure, since RX queues > receive packets for many concurrent flows. > > A sender can gi