From patchwork Tue Mar 11 12:18:35 2025 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Lorenzo Bianconi X-Patchwork-Id: 872723 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 D60F4258CD2; Tue, 11 Mar 2025 12:19:05 +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=1741695546; cv=none; b=OW14eJEVP+W2XxJ+5GHndxRoqxfOLUxLIlsr6mc9Q5ppnjNQfgjifZq9BPUlcMmNK/6sAmRt6BXx7a4AR9re/kxZy4bFZJAj0SubCmIRFoIRdMl/sXNG1hTlxAa50MjHd3p33xXDOXlPhHqOVk5DLdfSZRiMC89choTdn8PHjlY= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1741695546; c=relaxed/simple; bh=WlTKQ3kcPFy8Hxds+Qy4aCVKV8kY2r+qZ2PUzA/IBug=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=M5Mmv2R0fEoGt+A5qS/7sXTQrvKJSqje4ZGSiWOjfUsSgfl4l5vAS+jhYwb3Cj2KZRKOHCAFE58VJzWYnJQLMiFmPFDym6oWYfmoiSlO76Gs5mT7rJMFne5vWZ16Tk8pg0XJqAJFBARJXYEl3rSTzoUHECsKhawnn1JVRC/vTe8= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=eGYIcZt+; 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="eGYIcZt+" Received: by smtp.kernel.org (Postfix) with ESMTPSA id DD207C4CEE9; Tue, 11 Mar 2025 12:19:04 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1741695545; bh=WlTKQ3kcPFy8Hxds+Qy4aCVKV8kY2r+qZ2PUzA/IBug=; h=From:Date:Subject:References:In-Reply-To:To:Cc:From; b=eGYIcZt+Un/GTINujdFJtIr0Mdj8NtySDL9FVsZAqLLOXDruVRrxBRsdKxYb/mycm W9v1AbhrCHepRf0w4reU64wK2RSCX7G/nWHeuGxYpbRr2ud4gyTUCEStQnfu+vI806 VU8YGqYc3tlITLzZdAs9Sc4YyjqPQCAZPssUEV93gUyVtfC8oLS+RFT8EY7Ox+ofHD rn1gz07XdDV/dj31vYJc4Y3AGFBgCstiDp1oQKwIkO2Z2ytKAg8lNuGIcbUuz0p6QA uXFwAYz29Qd/wPW/6GDhjmIRrWxxE3yJ3f2CgNERitHfBJI8GH1daWFLTNZLadrx7v gZIbiwCDg8rhQ== From: Lorenzo Bianconi Date: Tue, 11 Mar 2025 13:18:35 +0100 Subject: [PATCH net-next 3/7] net: netsec: Add metadata support for xdp mode Precedence: bulk X-Mailing-List: linux-omap@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Message-Id: <20250311-mvneta-xdp-meta-v1-3-36cf1c99790e@kernel.org> References: <20250311-mvneta-xdp-meta-v1-0-36cf1c99790e@kernel.org> In-Reply-To: <20250311-mvneta-xdp-meta-v1-0-36cf1c99790e@kernel.org> To: Marcin Wojtas , Andrew Lunn , "David S. Miller" , Eric Dumazet , Jakub Kicinski , Paolo Abeni , Alexei Starovoitov , Daniel Borkmann , Jesper Dangaard Brouer , John Fastabend , Russell King , Ilias Apalodimas , Masahisa Kojima , Sunil Goutham , Geetha sowjanya , Subbaraya Sundeep , hariprasad , Bharat Bhushan , Felix Fietkau , Sean Wang , Matthias Brugger , AngeloGioacchino Del Regno , "K. Y. Srinivasan" , Haiyang Zhang , Wei Liu , Dexuan Cui , Siddharth Vadapalli , Roger Quadros Cc: netdev@vger.kernel.org, bpf@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-mediatek@lists.infradead.org, linux-hyperv@vger.kernel.org, linux-omap@vger.kernel.org, Lorenzo Bianconi X-Mailer: b4 0.14.2 Set metadata size building the skb from xdp_buff in netsec driver Signed-off-by: Lorenzo Bianconi --- drivers/net/ethernet/socionext/netsec.c | 7 +++++-- 1 file changed, 5 insertions(+), 2 deletions(-) diff --git a/drivers/net/ethernet/socionext/netsec.c b/drivers/net/ethernet/socionext/netsec.c index dc99821c6226fbaece65c8ade23899f610b44a9a..ee890de69ffe795dbdcc5331e36be86769f0d9a6 100644 --- a/drivers/net/ethernet/socionext/netsec.c +++ b/drivers/net/ethernet/socionext/netsec.c @@ -970,7 +970,7 @@ static int netsec_process_rx(struct netsec_priv *priv, int budget) struct netsec_de *de = dring->vaddr + (DESC_SZ * idx); struct netsec_desc *desc = &dring->desc[idx]; struct page *page = virt_to_page(desc->addr); - u32 xdp_result = NETSEC_XDP_PASS; + u32 metasize, xdp_result = NETSEC_XDP_PASS; struct sk_buff *skb = NULL; u16 pkt_len, desc_len; dma_addr_t dma_handle; @@ -1019,7 +1019,7 @@ static int netsec_process_rx(struct netsec_priv *priv, int budget) prefetch(desc->addr); xdp_prepare_buff(&xdp, desc->addr, NETSEC_RXBUF_HEADROOM, - pkt_len, false); + pkt_len, true); if (xdp_prog) { xdp_result = netsec_run_xdp(priv, xdp_prog, &xdp); @@ -1048,6 +1048,9 @@ static int netsec_process_rx(struct netsec_priv *priv, int budget) skb_reserve(skb, xdp.data - xdp.data_hard_start); skb_put(skb, xdp.data_end - xdp.data); + metasize = xdp.data - xdp.data_meta; + if (metasize) + skb_metadata_set(skb, metasize); skb->protocol = eth_type_trans(skb, priv->ndev); if (priv->rx_cksum_offload_flag &&