From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id A943D28A3EF; Thu, 5 Feb 2026 22:07:21 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1770329241; cv=none; b=KubIlUcXKC7zXAHs8drkP65OqMYNckPp7Aru/WvwjFckSYCUqtqZCsGn/xZ+cabUEYPAyXzMgLo7tnw1ADxJlYSOuhQKJaI5yX8959ZsSprqAVBank5+jmjV4mcxTzDLzcTNtFePg1AnCXuItTMyIpbLTWRLB7axpZcQcmROjv0= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1770329241; c=relaxed/simple; bh=eMJ2Nzro0JFUNNIfB+sTNQrje4HKqIjU6wTN/iWewC4=; h=From:To:Cc:Subject:Date:Message-ID:MIME-Version; b=YP6FvYu5ios4+dpNwgLNYrh/ISgA7podmPL7qEUHd+t2FkLDSCSN3MJFWbv7nP4r7Z+1PDdOJwW9SsQ8ViocafRTWaAa0liZeO128k4ve9zaNNt3EqPKR0tto9/8zN3VSW2ucgaQb+kkdxsPItJ0n1i5OCO9AZvlqosURNHV4bA= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=iJwh4m7A; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="iJwh4m7A" Received: by smtp.kernel.org (Postfix) with ESMTPSA id A1C0EC4CEF7; Thu, 5 Feb 2026 22:07:20 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1770329241; bh=eMJ2Nzro0JFUNNIfB+sTNQrje4HKqIjU6wTN/iWewC4=; h=From:To:Cc:Subject:Date:From; b=iJwh4m7AOE00qqTYbE5RcMqxMgjEe2znIpcmBrk/83LE70vg01nHmi7INZ5FPVKug tplTU+1/BGwQPQyLQf4vue9MPUQ6x2F4a+sxh+ofE8qGkSTxwHQWG1m+ai88V3xnxs BL8Xg8obo0gjVS2O/OL50WZ9Vw71wuN1QEU/Hvhoy62P0s+zo74lQmKanJgFD5FQKn QhzYzzTInNv4lwAmA2Ea+op49l2hGQf8gfMLXXh2T/9N+NZQXz2VbJIvvzZG2R2jbN mI7QVmwH985Bs9Qp2ipZN7BpQ6ceT07Ats2nqwoklHOt0tNrLBwIZQKXT3MrsXl8Wo mGhgxs/wrzo+Q== From: Jakub Kicinski 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 Subject: [PATCH net-next 0/9] net: stats, tools, driver tests for HW GRO Date: Thu, 5 Feb 2026 14:05:32 -0800 Message-ID: <20260205220541.2992807-1-kuba@kernel.org> X-Mailer: git-send-email 2.53.0 Precedence: bulk X-Mailing-List: netdev@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit 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 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 HW-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 | 4 + drivers/net/ethernet/broadcom/bnxt/bnxt.c | 17 +- tools/net/ynl/ynltool/qstats.c | 170 +++++--- .../selftests/{drivers/net => net/lib}/gro.c | 242 +++++++++++- .../testing/selftests/drivers/net/.gitignore | 1 - tools/testing/selftests/drivers/net/gro.py | 2 +- .../selftests/drivers/net/hw/gro_hw.py | 374 ++++++++++++++++++ .../selftests/drivers/net/lib/py/env.py | 4 +- tools/testing/selftests/net/lib/.gitignore | 1 + 12 files changed, 748 insertions(+), 70 deletions(-) rename tools/testing/selftests/{drivers/net => net/lib}/gro.c (87%) create mode 100755 tools/testing/selftests/drivers/net/hw/gro_hw.py -- 2.53.0