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 23DC721578F for ; Mon, 9 Jun 2025 17:34:54 +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=1749490495; cv=none; b=PlVRKH7aOfCRstwtiKzpISWU+JMYMT9iFtC2bEw/UpF6LJ9hYdr8oF00CD2IADTn2RytMTH5NrQgzLd0W5TVzcN/0G+YSCc7wVtBd+iJ6/oKUSI+wHqqRUdePqOmAMWZL0WVxkY9nNkh9WX79ysgfZarX8XKJHvaoP2Hn14FPUo= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1749490495; c=relaxed/simple; bh=5hUAgA69jvfeGqvNl6Fur3j6VNCDK4WsOhZH/sUKsjo=; h=From:To:Cc:Subject:Date:Message-ID:MIME-Version; b=q39qIpOTQBuT7GhmWFWoNUuQh8S8KItJfzEJj8HTrotVvjz/5FZyXdU9UY4KvVAgcdGjnHfd92jDMh2wIDE9qh/AYbfRTytWB94Uf2aSkOUUa7wv4mUZkv6rVO8Lkw3PZiXJpzmjvHv7Zomriq32f+jfnlowfb4QRJlaJ1/HQd8= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=H+cDkXnn; 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="H+cDkXnn" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 536FAC4CEF0; Mon, 9 Jun 2025 17:34:54 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1749490494; bh=5hUAgA69jvfeGqvNl6Fur3j6VNCDK4WsOhZH/sUKsjo=; h=From:To:Cc:Subject:Date:From; b=H+cDkXnnsa4MfXxqUqcyCPl2gnsVA9+wVEkRMZFNbSIQVNtDM3MH039FWHhOMAtqA V3/MMK3a3i9ACAhaKs/GbcC3ETNkyDS5lwcLuTlS+znDMiOvWT/EhiANbAVZbnbgem 4qzVJb0SY9ffb5UiDIGFrcUhlH50tj8hykT1V8t/xy2E/AzZ+Myu738T7eRn0Zh/o8 kDvMTU8Egrl17USe9I/404zM8A1o4/1XQPorIPK/5NXNK3tFDpJ52V+MjcEhZwhhT/ VYLto6wH0FDZdNvX9+yqZB6jI19bbI1mHes6bxGKA+PJU/VTxxrCCKaCfo8a/8fk7U h0maKxe0Z34bg== From: Jakub Kicinski To: michael.chan@broadcom.com, pavan.chebbi@broadcom.com Cc: willemdebruijn.kernel@gmail.com, netdev@vger.kernel.org, davem@davemloft.net, edumazet@google.com, pabeni@redhat.com, andrew+netdev@lunn.ch, horms@kernel.org, Jakub Kicinski Subject: [RFC net-next 0/6] net: ethtool: support including Flow Label in the flow hash for RSS Date: Mon, 9 Jun 2025 10:34:36 -0700 Message-ID: <20250609173442.1745856-1-kuba@kernel.org> X-Mailer: git-send-email 2.49.0 Precedence: bulk X-Mailing-List: netdev@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Add support for using IPv6 Flow Label in Rx hash computation and therefore RSS queue selection. Michael, Pavan, could you please give this series a whirl? I see the capability bit in bnxt but none of the devices I have access to seem to expose it. Note the test in the last patch which you should be able to run. ethtool with the support: https://github.com/kuba-moo/ethtool Jakub Kicinski (6): net: ethtool: factor out the validation for ETHTOOL_SRXFH net: ethtool: support including Flow Label in the flow hash for RSS eth: fbnic: support RSS on IPv6 Flow Label eth: bnxt: support RSS on IPv6 Flow Label selftests: drv-net: import things in lib one by one selftests: drv-net: add test for RSS on flow label .../testing/selftests/drivers/net/hw/Makefile | 1 + drivers/net/ethernet/broadcom/bnxt/bnxt.h | 1 + include/uapi/linux/ethtool.h | 1 + drivers/net/ethernet/broadcom/bnxt/bnxt.c | 2 + .../net/ethernet/broadcom/bnxt/bnxt_ethtool.c | 26 ++- .../net/ethernet/meta/fbnic/fbnic_ethtool.c | 2 +- drivers/net/ethernet/meta/fbnic/fbnic_rpc.c | 2 + net/ethtool/ioctl.c | 56 ++++++- .../drivers/net/hw/lib/py/__init__.py | 17 ++ .../drivers/net/hw/rss_flow_label.py | 151 ++++++++++++++++++ .../selftests/drivers/net/lib/py/__init__.py | 14 ++ 11 files changed, 260 insertions(+), 13 deletions(-) create mode 100755 tools/testing/selftests/drivers/net/hw/rss_flow_label.py -- 2.49.0