From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail.netfilter.org (mail.netfilter.org [217.70.190.124]) (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 44F3B396591 for ; Thu, 23 Jul 2026 17:50:01 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=217.70.190.124 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1784829003; cv=none; b=ti4R/YdfHvUBzMEh+lUm59yo0/oVXKtV+sE+hOZzsRhSxEWIFFWZm4d0njpHu3AnO2vCRLqazAZ9TtioQ7WAGgh/mSl9Lt+RRBFqQkjYw5Oz4xlxXn4Pw430swZO7IXn19gQh35uXk/qE8RhnIfnxTmX4hfOcqotjhZygAu9Ock= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1784829003; c=relaxed/simple; bh=O1AspusXeTBhRNHbXZUqSp03kFicQWIHEQWL1PZBli4=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=OnnoTth4lyFqQb1UzF3XOhdNTnwufhIiD3ecQcRT7X4coOcES3+ay4mZpsnfJDqRLUMJkCFG516l+hWtnqG3gKBTUbDNe6ioMkUZwAViLYTo5D2O/FUTR4F7GKFvmhX/d4hAW3aqoA6LkVDng8r51RS6v6y2ebb8lUTX7wz8p+U= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=netfilter.org; spf=pass smtp.mailfrom=netfilter.org; dkim=pass (2048-bit key) header.d=netfilter.org header.i=@netfilter.org header.b=WpQSz4Mg; arc=none smtp.client-ip=217.70.190.124 Authentication-Results: smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=netfilter.org Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=netfilter.org Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=netfilter.org header.i=@netfilter.org header.b="WpQSz4Mg" Received: from localhost.localdomain (mail-agni [217.70.190.124]) by mail.netfilter.org (Postfix) with ESMTPSA id 2CA486019D; Thu, 23 Jul 2026 19:49:59 +0200 (CEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=netfilter.org; s=2025; t=1784828999; bh=/u+QEIAEHl5F7iK579VojfSAk0QlU14PsuvS7CiAQGg=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=WpQSz4MgF7vuESbs+v6ox4WDFP+zb6CvhY6FwXhPqXIdic7G+HBNB8aS++EDjtSUp w3lTaa+p1lsCYsxt602MFTr11IDSVhUf1jvLlvC6WAha+9mQ03C67zPy8JyAmdKwgd aQ3FrocIx5n985bQWTPbQjj3YGgk/lsHjdVlaZ0nnP3W7JFBYoZy02igHYh8ddXV/q LK8L7LYFN0iRLs2kwLaT2vxl+UP9gnT19pyKOjR9rrJ79BVts31p3FA0IrB6CQQRWC cLJvp75sMzyhAARPBjOsZ0JWklTGrLfc7/i5Av6hF1SqvG/ar+qBHsynlyLzDXCxqo XGViyUCTyTYbA== From: Pablo Neira Ayuso To: netfilter-devel@vger.kernel.org Cc: lorenzo@kernel.org Subject: [PATCH nf-next 2/4] netfilter: flowtable: consolidate flowtable device check Date: Thu, 23 Jul 2026 19:49:50 +0200 Message-ID: <20260723174952.329650-3-pablo@netfilter.org> X-Mailer: git-send-email 2.47.3 In-Reply-To: <20260723174952.329650-1-pablo@netfilter.org> References: <20260723174952.329650-1-pablo@netfilter.org> Precedence: bulk X-Mailing-List: netfilter-devel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Check that device belongs to the flowtable right after the flowtable discovery path. This is a preparation patch to obtain the dst entry from the .fill_forward_path in tunnels. No functional changes are intended. Signed-off-by: Pablo Neira Ayuso --- net/netfilter/nf_flow_table_path.c | 15 +++++++++------ 1 file changed, 9 insertions(+), 6 deletions(-) diff --git a/net/netfilter/nf_flow_table_path.c b/net/netfilter/nf_flow_table_path.c index 261bb44d08eb..8f04a4487897 100644 --- a/net/netfilter/nf_flow_table_path.c +++ b/net/netfilter/nf_flow_table_path.c @@ -90,9 +90,12 @@ struct nft_forward_info { enum flow_offload_xmit_type xmit_type; }; +static bool nft_flowtable_find_dev(const struct net_device *dev, + struct nft_flowtable *ft); + static int nft_dev_path_info(const struct net_device_path_stack *stack, struct nft_forward_info *info, - unsigned char *ha, struct nf_flowtable *flowtable) + unsigned char *ha, struct nft_flowtable *ft) { const struct net_device_path *path; int i; @@ -178,10 +181,13 @@ static int nft_dev_path_info(const struct net_device_path_stack *stack, } } - if (nf_flowtable_hw_offload(flowtable) && + if (nf_flowtable_hw_offload(&ft->data) && nft_is_valid_ether_device(info->dev)) info->xmit_type = FLOW_OFFLOAD_XMIT_DIRECT; + if (!nft_flowtable_find_dev(info->dev, ft)) + return -1; + return 0; } @@ -253,10 +259,7 @@ static int nft_dev_forward_path(const struct nft_pktinfo *pkt, int i; if (nft_dev_fill_forward_path(dst, ct, dir, ha, &stack) < 0 || - nft_dev_path_info(&stack, &info, ha, &ft->data) < 0) - return -ENOENT; - - if (!nft_flowtable_find_dev(info.dev, ft)) + nft_dev_path_info(&stack, &info, ha, ft) < 0) return -ENOENT; route->tuple[!dir].in.ifindex = info.dev->ifindex; -- 2.47.3