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 B88AD433B3; Sat, 7 Feb 2026 00:35:15 +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=1770424515; cv=none; b=Kjmzlnh4QkQIOD8ypDs85cdGF9BqLk30Ri3EnaSaA3HOxFP4G5eMGW5wCepbIB7CvOpi2UsnWTfA7YY3phK1gXvhqX5lDiL7bqHb9tGegkX0MKKRujC56Q4+rnrT3G/pvZ9SBR8oYiXwBJEUCaeQ+1zumVQe9EH06UoZhtIDBgo= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1770424515; c=relaxed/simple; bh=FPWGl3nSy7e+hceX7wQr77zr0Z1byxYaxqUaPyY+Yt4=; h=From:To:Cc:Subject:Date:Message-ID:MIME-Version; b=J5px3aRfPGxWZfxLNjrBBao72EbUQMXXuJ1o2CeUQgDASDxAj4z5p++513xOq6Y5DVuaVR1PTrgqCGIBf3MpUVf7EYE0kHok38qjScRY0mHFSUSpfm292sr/N0do/xOwl+ZzWTzCII6CK7tO7srPssOoohB90xs940SKPD5Fr0E= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=dSV0kDyy; 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="dSV0kDyy" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 66F87C116C6; Sat, 7 Feb 2026 00:35:14 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1770424515; bh=FPWGl3nSy7e+hceX7wQr77zr0Z1byxYaxqUaPyY+Yt4=; h=From:To:Cc:Subject:Date:From; b=dSV0kDyyfjuh2aZQV142qlLiE27QQbmBtSF7WI5TZLOdav2/mwtoa7E4TwJd8V5LK djaAbV6EciVpPm4h3p11UjcX4cNyHQJFSYTBMwgMK1i4HV7lOW0uChfgU2LwajFRhK iMTA2l+S397QqT5yY10pKMijiqHYnZdt53NDxUNPDjLJv5eDkp3H/NG3SA6haZ/P8I rYVFG4Wxbu0PFChmyf/Pb1latzqnDIeixtdYMxNEtY1GDPxeZGnoKQc09yeV7HZvlS k39SAL2ZV4BJ1yvHzUte8l/0Wx6ysrAY1+2Jaz030NuR/0yuraQKuu6RV/w0uN8eja oA6SGYbFZG3WA== 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 v2 0/9] net: stats, tools, driver tests for HW GRO Date: Fri, 6 Feb 2026 16:35:00 -0800 Message-ID: <20260207003509.3927744-1-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 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