From: Jakub Kicinski <jakub.kicin...@netronome.com> Date: Fri, 25 May 2018 21:53:24 -0700
> This is second batch of advanced buffer management nfp driver > changes. This series adds the qdisc offload. Support for > a very simple subset of RED qdisc offload is added as needed > for DCTCP ECN marking (min and max thresholds set to the same > value). > > The first two patches fix glitches introduced by the previous > series. We have to be careful about phys_port_name handling, > because VFs share the same code path, and some user space may > get confused by the names we chose. > > Since unlike previous offloads we can report the queue backlog > both in bytes and packets we need to adjust how statistics are > added up in the core (patch 6). > > There are some extra statistics we want to expose which don't > fit into TC stats, namely counts of packets which have been fast- > -forwarded without getting enqueued because there was no > contention and number of packets that were ever queued (sum of > all momentary backlogs). We expose those through ethtool stats > (patches 8 and 9). > > Remaining 5 patches add MQ offload - to be able to set different > configurations on different queues. Representors are made multi- > -queue and we add offload support to MQ. MQ stats are added up > before calling ->dump qdiscs on the children, and therefore don't > include updated offload values. To avoid clearly incorrect stats > MQ is made to also request stats update from offloads. This way > we can correct the diff at the driver level. Series applied, thanks Jakub.
