From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mgamail.intel.com (mgamail.intel.com [192.55.52.88]) by mail.toke.dk (Postfix) with ESMTPS id 84D19A309B7 for ; Thu, 12 Oct 2023 19:12:58 +0200 (CEST) Authentication-Results: mail.toke.dk; dkim=pass (2048-bit key; unprotected) header.d=intel.com header.i=@intel.com header.a=rsa-sha256 header.s=Intel header.b=M8w3GgIL DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1697130778; x=1728666778; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=ATeW5NR80HIMpr3u6FebN291wa9QTr/6cRyeYzyuTi8=; b=M8w3GgILrt0qy9Bp3IXrsWZ26rjSaLfPH3ksevCgeTaoG/Xr7UN4CHb2 SUqZ+4rTzACmlgeXLeWodSTKpZvkwTBRRrMmhShd5rWqm01Kuvc+f96Ti 9FlO6lH/VgWCtnHmCLxa2cKnGTfADk3z+l6mgFHeFywUY33eILcqFLMeC FWUZ8G1LdOK+Y4v7r+46GCvlmcCLlYukQv1rWfGlHoRu/sh53tfBASt1I sy7h/WonCj190UJ1hclQTNYdXUIoruGZAwkOZhNy6e3dKq+0dzgmLHBqX 7N2FqgP5BlI4HRfjRrmCc/6PcMrr5SU+g6ZfgHLnocK8ib2dTM9Ix17NK w==; X-IronPort-AV: E=McAfee;i="6600,9927,10861"; a="416027785" X-IronPort-AV: E=Sophos;i="6.03,219,1694761200"; d="scan'208";a="416027785" Received: from orsmga008.jf.intel.com ([10.7.209.65]) by fmsmga101.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 12 Oct 2023 10:12:29 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=McAfee;i="6600,9927,10861"; a="783774112" X-IronPort-AV: E=Sophos;i="6.03,219,1694761200"; d="scan'208";a="783774112" Received: from irvmail002.ir.intel.com ([10.43.11.120]) by orsmga008.jf.intel.com with ESMTP; 12 Oct 2023 10:12:22 -0700 Received: from lincoln.igk.intel.com (lincoln.igk.intel.com [10.102.21.235]) by irvmail002.ir.intel.com (Postfix) with ESMTP id 9CF7033E95; Thu, 12 Oct 2023 18:12:20 +0100 (IST) From: Larysa Zaremba To: bpf@vger.kernel.org Date: Thu, 12 Oct 2023 19:05:18 +0200 Message-ID: <20231012170524.21085-13-larysa.zaremba@intel.com> X-Mailer: git-send-email 2.41.0 In-Reply-To: <20231012170524.21085-1-larysa.zaremba@intel.com> References: <20231012170524.21085-1-larysa.zaremba@intel.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Message-ID-Hash: VBAZZB4P247PYQXACYWDLKBPSP44LKVH X-Message-ID-Hash: VBAZZB4P247PYQXACYWDLKBPSP44LKVH X-MailFrom: larysa.zaremba@intel.com X-Mailman-Rule-Hits: member-moderation X-Mailman-Rule-Misses: dmarc-mitigation; no-senders; approved; emergency; loop; banned-address CC: Larysa Zaremba , ast@kernel.org, daniel@iogearbox.net, andrii@kernel.org, martin.lau@linux.dev, song@kernel.org, yhs@fb.com, john.fastabend@gmail.com, kpsingh@kernel.org, sdf@google.com, haoluo@google.com, jolsa@kernel.org, David Ahern , Jakub Kicinski , Willem de Bruijn , Jesper Dangaard Brouer , Anatoly Burakov , Alexander Lobakin , Magnus Karlsson , Maryam Tahhan , xdp-hints@xdp-project.net, netdev@vger.kernel.org, Willem de Bruijn , Alexei Starovoitov , Simon Horman , Tariq Toukan , Saeed Mahameed , Maciej Fijalkowski X-Mailman-Version: 3.3.8 Precedence: list Subject: [xdp-hints] [PATCH bpf-next v6 12/18] veth: Implement VLAN tag XDP hint List-Id: XDP hardware hints design discussion Archived-At: List-Archive: List-Help: List-Owner: List-Post: List-Subscribe: List-Unsubscribe: In order to test VLAN tag hint in hardware-independent selftests, implement newly added hint in veth driver. Acked-by: Stanislav Fomichev Signed-off-by: Larysa Zaremba --- drivers/net/veth.c | 19 +++++++++++++++++++ 1 file changed, 19 insertions(+) diff --git a/drivers/net/veth.c b/drivers/net/veth.c index 0deefd1573cf..8a501972670a 100644 --- a/drivers/net/veth.c +++ b/drivers/net/veth.c @@ -1736,6 +1736,24 @@ static int veth_xdp_rx_hash(const struct xdp_md *ctx, u32 *hash, return 0; } +static int veth_xdp_rx_vlan_tag(const struct xdp_md *ctx, __be16 *vlan_proto, + u16 *vlan_tci) +{ + struct veth_xdp_buff *_ctx = (void *)ctx; + struct sk_buff *skb = _ctx->skb; + int err; + + if (!skb) + return -ENODATA; + + err = __vlan_hwaccel_get_tag(skb, vlan_tci); + if (err) + return err; + + *vlan_proto = skb->vlan_proto; + return err; +} + static const struct net_device_ops veth_netdev_ops = { .ndo_init = veth_dev_init, .ndo_open = veth_open, @@ -1760,6 +1778,7 @@ static const struct net_device_ops veth_netdev_ops = { static const struct xdp_metadata_ops veth_xdp_metadata_ops = { .xmo_rx_timestamp = veth_xdp_rx_timestamp, .xmo_rx_hash = veth_xdp_rx_hash, + .xmo_rx_vlan_tag = veth_xdp_rx_vlan_tag, }; #define VETH_FEATURES (NETIF_F_SG | NETIF_F_FRAGLIST | NETIF_F_HW_CSUM | \ -- 2.41.0