From: Or Gerlitz <gerlitz...@gmail.com> Date: Thu, 19 Sep 2019 15:17:54 +0300
> On Wed, Sep 11, 2019 at 12:54 AM Eric Dumazet <eduma...@google.com> 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 give a hint to GRO engines when it is >> appropriate to flush a super-packet, especially when pacing > > Hi Eric, > > Is this correct that we add here the push flag for the tcp header template > from which all the tcp headers for SW GSO packets will be generated? > > Wouldn't that cause a too early flush on GRO engines at the receiver side? I thought segmentation offload mechanism are not supposed to propagate the PSH to all of the packets.
