From patchwork Tue Mar 11 12:18:38 2025 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Lorenzo Bianconi X-Patchwork-Id: 14011711 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 120D325A63F; Tue, 11 Mar 2025 12:19:14 +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=1741695555; cv=none; b=EYqMnR+lod54vyYCaXNqu7qYPWWz30aX1pX6Dg2my5dlfUTjdFgD6NuVJT67+dpiJ0Jbetlm9KZ+3MWXpBA2f31NmNUetAmW0ZsoUiJfQM2Z7U67eQucyZ6xpr8YpG5O5WvVrXDrdcdBGFebec3oAxu6TYVmZezBrBBVqlmHg3o= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1741695555; c=relaxed/simple; bh=x+krQGj/SL7R2wTdC09zi8Lq2AOOM9k7jWivDeJJS7E=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=Kh0x2fsFonW7uKwAkDhj2FWeRtXIZegBud60moeumpQdCpTgryWauxm7LbpcgWvy7OkModElRFEhXi24zNINz3FQyi2bhZZ9MAI/YG89mOTJdGLFd6812EJ9PfOQXb51RHLZXtfIDEdTyPsItwYzSdxd/YAwSKhZ/WNqVDV0wNM= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=r8AqGYmk; 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="r8AqGYmk" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 015E2C4CEEC; Tue, 11 Mar 2025 12:19:13 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1741695554; bh=x+krQGj/SL7R2wTdC09zi8Lq2AOOM9k7jWivDeJJS7E=; h=From:Date:Subject:References:In-Reply-To:To:Cc:From; b=r8AqGYmkKFQQ/vy7x1cM404pF4kwW8b9mOnf9uhfwPUs7/J3vpKMzAJjfAXOquY1L 36qn3x0ZcN9kZFSINUG95beouVuvqQk51kt6TDGbq3BeFwB7FJUtrpcmFrxubQZOGU WaTwf6mK71Osy15xecOCW+flQF4dRFyi11XEAXOgo9ilG83bEoUrIqw5f2JS7AD5xh nYpQ1mna/BFRAoAtVl5aUD/Y+dckxhrzHEa5RLHCh8MHWzi5w5MOv1/X62hnh24n/d PUG1fyxAXOIOwqv8D4bs6uqN7OmRF9yI19BP/TSj8f5+bDPq0PutZZBw9SI7I+mQE8 IFJYpfJFuFyGQ== From: Lorenzo Bianconi Date: Tue, 11 Mar 2025 13:18:38 +0100 Subject: [PATCH net-next 6/7] net: mana: 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-v1-6-36cf1c99790e@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 mana driver Signed-off-by: Lorenzo Bianconi --- drivers/net/ethernet/microsoft/mana/mana_bpf.c | 2 +- drivers/net/ethernet/microsoft/mana/mana_en.c | 4 ++++ 2 files changed, 5 insertions(+), 1 deletion(-) diff --git a/drivers/net/ethernet/microsoft/mana/mana_bpf.c b/drivers/net/ethernet/microsoft/mana/mana_bpf.c index 23b1521c0df96e7fd595daad8b49fa9be935090c..d30721d4516fc60cf8883f2b35cc561559082ccc 100644 --- a/drivers/net/ethernet/microsoft/mana/mana_bpf.c +++ b/drivers/net/ethernet/microsoft/mana/mana_bpf.c @@ -91,7 +91,7 @@ u32 mana_run_xdp(struct net_device *ndev, struct mana_rxq *rxq, goto out; xdp_init_buff(xdp, PAGE_SIZE, &rxq->xdp_rxq); - xdp_prepare_buff(xdp, buf_va, XDP_PACKET_HEADROOM, pkt_len, false); + xdp_prepare_buff(xdp, buf_va, XDP_PACKET_HEADROOM, pkt_len, true); act = bpf_prog_run_xdp(prog, xdp); diff --git a/drivers/net/ethernet/microsoft/mana/mana_en.c b/drivers/net/ethernet/microsoft/mana/mana_en.c index 2d826077d38cdac7ebe9c355cf883b0d727eeca2..a3986fc47b819dae1f8a1d62ebe1ff051b144236 100644 --- a/drivers/net/ethernet/microsoft/mana/mana_en.c +++ b/drivers/net/ethernet/microsoft/mana/mana_en.c @@ -1559,8 +1559,12 @@ static struct sk_buff *mana_build_skb(struct mana_rxq *rxq, void *buf_va, return NULL; if (xdp->data_hard_start) { + u32 metasize = xdp->data - xdp->data_meta; + skb_reserve(skb, xdp->data - xdp->data_hard_start); skb_put(skb, xdp->data_end - xdp->data); + if (metasize) + skb_metadata_set(skb, metasize); return skb; }