public inbox for netdev@vger.kernel.org
 help / color / mirror / Atom feed
From: Jakub Kicinski <kuba@kernel.org>
To: davem@davemloft.net
Cc: netdev@vger.kernel.org, edumazet@google.com, pabeni@redhat.com,
	andrew+netdev@lunn.ch, horms@kernel.org, shuah@kernel.org,
	willemb@google.com, petrm@nvidia.com, donald.hunter@gmail.com,
	michael.chan@broadcom.com, pavan.chebbi@broadcom.com,
	linux-kselftest@vger.kernel.org, Jakub Kicinski <kuba@kernel.org>
Subject: [PATCH net-next v2 0/9] net: stats, tools, driver tests for HW GRO
Date: Fri,  6 Feb 2026 16:35:00 -0800	[thread overview]
Message-ID: <20260207003509.3927744-1-kuba@kernel.org> (raw)

Add miscellaneous pieces related to production use of HW-GRO:
 - report standard stats from drivers (bnxt included here,
   Gal recently posted patches for mlx5 which is great)
 - CLI tool for calculating HW GRO savings / effectiveness
 - tests for the stats, packet ordering and depth

v2:
 - [patch 1] fix ethtool -S and unnecessary feature check
 - [patch 3] use %1$s
 - [patch 6] do not enable SO_TXTIME for multi-flow tests
 - [patch 9] move the test to cover SW GRO
v1: https://lore.kernel.org/20260205220541.2992807-1-kuba@kernel.org

Jakub Kicinski (9):
  eth: bnxt: gather and report HW-GRO stats
  tools: ynltool: factor out qstat dumping
  tools: ynltool: add qstats analysis for HW-GRO efficiency / savings
  selftests: net: move gro to lib for HW vs SW reuse
  selftests: drv-net: give HW stats sync time extra 25% of margin
  selftests: drv-net: gro: use SO_TXTIME to schedule packets together
  selftests: drv-net: gro: test GRO stats
  selftests: drv-net: gro: add test for packet ordering
  selftests: drv-net: gro: add a test for GRO depth

 tools/testing/selftests/drivers/net/Makefile  |   1 -
 .../testing/selftests/drivers/net/hw/Makefile |   1 +
 tools/testing/selftests/net/lib/Makefile      |   1 +
 drivers/net/ethernet/broadcom/bnxt/bnxt.h     |   6 +
 drivers/net/ethernet/broadcom/bnxt/bnxt.c     |  15 +-
 tools/net/ynl/ynltool/qstats.c                | 171 ++++++----
 .../selftests/{drivers/net => net/lib}/gro.c  | 252 ++++++++++++++-
 .../testing/selftests/drivers/net/.gitignore  |   1 -
 tools/testing/selftests/drivers/net/gro.py    | 203 ++++++++++--
 .../selftests/drivers/net/hw/gro_hw.py        | 294 ++++++++++++++++++
 .../selftests/drivers/net/lib/py/env.py       |   4 +-
 tools/testing/selftests/net/lib/.gitignore    |   1 +
 12 files changed, 859 insertions(+), 91 deletions(-)
 rename tools/testing/selftests/{drivers/net => net/lib}/gro.c (86%)
 create mode 100755 tools/testing/selftests/drivers/net/hw/gro_hw.py

-- 
2.53.0


             reply	other threads:[~2026-02-07  0:35 UTC|newest]

Thread overview: 22+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2026-02-07  0:35 Jakub Kicinski [this message]
2026-02-07  0:35 ` [PATCH net-next v2 1/9] eth: bnxt: gather and report HW-GRO stats Jakub Kicinski
2026-02-08  0:09   ` Michael Chan
2026-02-11  1:51     ` Jakub Kicinski
2026-02-07  0:35 ` [PATCH net-next v2 2/9] tools: ynltool: factor out qstat dumping Jakub Kicinski
2026-02-07  0:35 ` [PATCH net-next v2 3/9] tools: ynltool: add qstats analysis for HW-GRO efficiency / savings Jakub Kicinski
2026-02-09  9:43   ` Petr Machata
2026-02-07  0:35 ` [PATCH net-next v2 4/9] selftests: net: move gro to lib for HW vs SW reuse Jakub Kicinski
2026-02-09  2:36   ` Willem de Bruijn
2026-02-07  0:35 ` [PATCH net-next v2 5/9] selftests: drv-net: give HW stats sync time extra 25% of margin Jakub Kicinski
2026-02-09  2:37   ` Willem de Bruijn
2026-02-07  0:35 ` [PATCH net-next v2 6/9] selftests: drv-net: gro: use SO_TXTIME to schedule packets together Jakub Kicinski
2026-02-09  2:39   ` Willem de Bruijn
2026-02-11  1:56     ` Jakub Kicinski
2026-02-11  3:15       ` Willem de Bruijn
2026-02-11  3:48         ` Jakub Kicinski
2026-02-11  4:21           ` Willem de Bruijn
2026-02-11 17:00             ` Jakub Kicinski
2026-02-11 17:22               ` Willem de Bruijn
2026-02-07  0:35 ` [PATCH net-next v2 7/9] selftests: drv-net: gro: test GRO stats Jakub Kicinski
2026-02-07  0:35 ` [PATCH net-next v2 8/9] selftests: drv-net: gro: add test for packet ordering Jakub Kicinski
2026-02-07  0:35 ` [PATCH net-next v2 9/9] selftests: drv-net: gro: add a test for GRO depth Jakub Kicinski

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=20260207003509.3927744-1-kuba@kernel.org \
    --to=kuba@kernel.org \
    --cc=andrew+netdev@lunn.ch \
    --cc=davem@davemloft.net \
    --cc=donald.hunter@gmail.com \
    --cc=edumazet@google.com \
    --cc=horms@kernel.org \
    --cc=linux-kselftest@vger.kernel.org \
    --cc=michael.chan@broadcom.com \
    --cc=netdev@vger.kernel.org \
    --cc=pabeni@redhat.com \
    --cc=pavan.chebbi@broadcom.com \
    --cc=petrm@nvidia.com \
    --cc=shuah@kernel.org \
    --cc=willemb@google.com \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox