From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mgamail.intel.com (mgamail.intel.com [198.175.65.9]) (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 AF3233F65EA; Wed, 5 Aug 2026 21:36:02 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=198.175.65.9 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1785965765; cv=none; b=H1ulHbU5L2PsInNgJr83cAfeP8ZXauVHb+z7mtQEBmPh12Ae7W1TMzUNV/fEmkXz/m5xTbl53s7YgzKkRTL2mUZcn27yU1gbykAsRY20c2c78ZHqyuip+FqOJ1vrC6xxcDxNx1KpTvrRA1edwD8DVoxR6znlBqHN7XkPxryBUrg= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1785965765; c=relaxed/simple; bh=l53vH96oBxDrKf3F+DaJU5jUopwYKXsTsTUvDa/ClKc=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=NTgfeN1K9xi3QD9RV3GvM9MQ1NnJCK/XaswpgPQawfWs0vvi2DVWodd+QngJKMWcp5dPSxL/wTvoh/JYLKc8jrkPSsghWiSJnNm9X1kau6DjQZnfgCoc/+B3uRQmaSk8ntDteX13Gp+zRrygwTxSk/X5Zn/2Bkprp2irA01Buy0= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=intel.com; spf=pass smtp.mailfrom=intel.com; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.b=IEsLtvS/; arc=none smtp.client-ip=198.175.65.9 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=intel.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=intel.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.b="IEsLtvS/" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1785965762; x=1817501762; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=l53vH96oBxDrKf3F+DaJU5jUopwYKXsTsTUvDa/ClKc=; b=IEsLtvS/D35ik6Um3QjNH4YOlcT/k5nsDb5/o37hw50o8Km/610HpQ39 lwgyvTm9xhTcCZLqQEX0/YdUyVmkolS3xcufZiM+u4Riz4ZK5zR66umzf 1hN6ZBsTUuf8PluehLbRsPD2XS4RESt1EHA2/eC3bTRju0GQjaWGYTFCR Lr8u8uSFuJ6ip999z1yhVHTmiqJU/DkejFFomkEj0yQJSAoDNOR/SU3OL 3FA7OKwF9jWnAiil/eEdhsCPFRqcduZeyF2E2J0iJEHUwmSN4sXRvCF/Y QH5ynDRvOecjDLoBCBsYYRZmVK0OQZBilrWY/bzrKmH5wF/QdvTB+R3M+ A==; X-CSE-ConnectionGUID: CRXDElLDRACcS7BRwl9NQw== X-CSE-MsgGUID: lSjATBweQ2WziJ5cXDpw3w== X-IronPort-AV: E=McAfee;i="6800,10657,11866"; a="109343626" X-IronPort-AV: E=Sophos;i="6.25,207,1779174000"; d="scan'208";a="109343626" Received: from fmviesa001.fm.intel.com ([10.60.135.141]) by orvoesa101.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 05 Aug 2026 14:35:53 -0700 X-CSE-ConnectionGUID: zfVGIdnWSaSanj4rku0dDQ== X-CSE-MsgGUID: QXDV75CcS+Wv5DCZWTKTvg== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.25,207,1779174000"; d="scan'208";a="286576159" Received: from anguy11-upstream.jf.intel.com ([10.166.9.133]) by fmviesa001.fm.intel.com with ESMTP; 05 Aug 2026 14:35:52 -0700 From: Tony Nguyen To: davem@davemloft.net, kuba@kernel.org, pabeni@redhat.com, edumazet@google.com, andrew+netdev@lunn.ch, netdev@vger.kernel.org Cc: Kohei Enju , anthony.l.nguyen@intel.com, kohei.enju@gmail.com, przemyslaw.kitszel@intel.com, maciej.fijalkowski@intel.com, magnus.karlsson@intel.com, ast@kernel.org, daniel@iogearbox.net, hawk@kernel.org, john.fastabend@gmail.com, sdf@fomichev.me, bpf@vger.kernel.org, Aleksandr Loktionov , Patryk Holda Subject: [PATCH net-next 12/15] i40e: add support for bpf_xdp_metadata_rx_vlan_tag() Date: Wed, 5 Aug 2026 14:35:37 -0700 Message-ID: <20260805213541.2281287-13-anthony.l.nguyen@intel.com> X-Mailer: git-send-email 2.47.1 In-Reply-To: <20260805213541.2281287-1-anthony.l.nguyen@intel.com> References: <20260805213541.2281287-1-anthony.l.nguyen@intel.com> Precedence: bulk X-Mailing-List: netdev@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit From: Kohei Enju Introduce i40e_xdp_rx_vlan_tag() which takes the same approach as i40e_process_skb_fields() to extract the VLAN tag from the RX descriptor. Tested with X710 adapter using xdp_hw_metadata, and confirmed that VLAN tags match between bpf_xdp_metadata_rx_vlan_tag() and skb->vlan_proto/vlan_tci. Signed-off-by: Kohei Enju Reviewed-by: Aleksandr Loktionov Tested-by: Patryk Holda Signed-off-by: Tony Nguyen --- drivers/net/ethernet/intel/i40e/i40e_main.c | 19 +++++++++++++++++++ 1 file changed, 19 insertions(+) diff --git a/drivers/net/ethernet/intel/i40e/i40e_main.c b/drivers/net/ethernet/intel/i40e/i40e_main.c index e487d697a634..719f45b5cb40 100644 --- a/drivers/net/ethernet/intel/i40e/i40e_main.c +++ b/drivers/net/ethernet/intel/i40e/i40e_main.c @@ -13607,8 +13607,27 @@ static int i40e_xdp_rx_hash(const struct xdp_md *_ctx, u32 *hash, return 0; } +static int i40e_xdp_rx_vlan_tag(const struct xdp_md *_ctx, __be16 *vlan_proto, + u16 *vlan_tci) +{ + const struct i40e_xdp_buff *ctx = (const void *)_ctx; + const union i40e_rx_desc *desc = ctx->desc; + u64 status; + + status = le64_to_cpu(desc->wb.qword1.status_error_len); + + if (!(status & BIT(I40E_RX_DESC_STATUS_L2TAG1P_SHIFT))) + return -ENODATA; + + *vlan_proto = cpu_to_be16(ETH_P_8021Q); + *vlan_tci = le16_to_cpu(desc->wb.qword0.lo_dword.l2tag1); + + return 0; +} + static const struct xdp_metadata_ops i40e_xdp_metadata_ops = { .xmo_rx_hash = i40e_xdp_rx_hash, + .xmo_rx_vlan_tag = i40e_xdp_rx_vlan_tag, }; static const struct net_device_ops i40e_netdev_ops = { -- 2.47.1