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 943D729ACE5; Thu, 22 May 2025 16:53:32 +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=1747932814; cv=none; b=gDoAYwnVDNqTl3HVUslsTlkQAV0g1vrHgZGcONTLUrC1LoXy8MINaCzk5CFswrc5DqRjGo/iMcYJt4HBhrQsFPYmEsL2T2+7wfDVEGy1fUM/sIxQ9kcasV5MgG/mtZ4shgvoyLgT7y4Xdaho7VGu9wyteo8z3nCtvmdrHwHIilE= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1747932814; c=relaxed/simple; bh=7vBG8dRDoYYwSblM0ryIPwM+XiJskgKRXcA3RSGXnyk=; h=From:To:Cc:Subject:Date:Message-Id:In-Reply-To:References: MIME-Version; b=i/Upo3vCAXY4lS0DxOJA/SFLsaUzX0aswolv2eupzGd9F0Mx/md57ZTvrJiSPJbT0cwFWvhW+GZ34pRFKUNmLMRqN3gJpReec9Cg3TojxAekyR35tZTu/Tfpuqfk2rKjHU/+HQ4k0OJkRNTgjU9SpisFlxhln0OCr3sHfGw2Ggg= 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=lwwQCJjn; dkim=pass (2048-bit key) header.d=netfilter.org header.i=@netfilter.org header.b=KOlsoQbt; 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="lwwQCJjn"; dkim=pass (2048-bit key) header.d=netfilter.org header.i=@netfilter.org header.b="KOlsoQbt" Received: by mail.netfilter.org (Postfix, from userid 109) id 08430606BC; Thu, 22 May 2025 18:53:30 +0200 (CEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=netfilter.org; s=2025; t=1747932811; bh=uj1SY/8LCrrL3GFDQvMCjCNlPfb3mkwSg4Lclp476II=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=lwwQCJjndtcRT6mMWge9L+DKiGgq7jVz3GYtJ24YFb7hSuhnNEkUensqFyJOQ2g3y q6VJjMqFEd2K/2xODAy/GFr5HJxmEms4Q1uU0MQFdrnhxjgY8kPcUYSzKFXJgXvZno w6ZLY2f+95GEMPW6+zCH6eG231leU997CDBxB1U8lJMkGpMjhvkeoQWvhotuO5uBKV la5n5Nd90fICE+Lxa3JccSuHoYs0Vga77Ty55ljRjebLId0ejvfOnA57LLn7WdCqVB O5DisRBS7R5+mn4+y4Uu15KQ7WoM+/iX+wY/pFUbAe0KKJPneTLaZq3S5jhi59ORlp na1lChZz/5Nmg== X-Spam-Level: Received: from localhost.localdomain (mail-agni [217.70.190.124]) by mail.netfilter.org (Postfix) with ESMTPSA id 84FDC6073B; Thu, 22 May 2025 18:52:59 +0200 (CEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=netfilter.org; s=2025; t=1747932779; bh=uj1SY/8LCrrL3GFDQvMCjCNlPfb3mkwSg4Lclp476II=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=KOlsoQbtv0i1sdGvSeUBJ80um+8CHNhE5xoc1w3Rxjzb4q23pRO28E3+KuoDTtync adocs4quvWXZn5DND6wEjI8ntghLS1mRe6GV5MlvhAqI8DkBOFlgtlhhbyvkDYYPy4 F6g6NFqvgUFl3xIrvSK38ZljzVwIsBOztmQGW4i851/Y9k/q0C8Vrnq8o31kXZH3TU OMJdpec+seqhnRQjtwyY1jH4tIFooJTkVcj2D/SQj0oRDRQWTYZEFvLEYtWfqU7vqr OZxp2dwTv7h0epqkhD9Jjir/Foq+SgfmxgifJko6Iq4FkkqwhBpAEsV92xPpq/MBag iF/9qQwMc61Ew== From: Pablo Neira Ayuso To: netfilter-devel@vger.kernel.org Cc: davem@davemloft.net, netdev@vger.kernel.org, kuba@kernel.org, pabeni@redhat.com, edumazet@google.com, fw@strlen.de, horms@kernel.org Subject: [PATCH net-next 19/26] netfilter: nf_tables: Prepare for handling NETDEV_REGISTER events Date: Thu, 22 May 2025 18:52:31 +0200 Message-Id: <20250522165238.378456-20-pablo@netfilter.org> X-Mailer: git-send-email 2.30.2 In-Reply-To: <20250522165238.378456-1-pablo@netfilter.org> References: <20250522165238.378456-1-pablo@netfilter.org> Precedence: bulk X-Mailing-List: netdev@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit From: Phil Sutter Put NETDEV_UNREGISTER handling code into a switch, no functional change intended as the function is only called for that event yet. Signed-off-by: Phil Sutter Signed-off-by: Pablo Neira Ayuso --- net/netfilter/nf_tables_api.c | 19 ++++++++++++------- net/netfilter/nft_chain_filter.c | 19 ++++++++++++------- 2 files changed, 24 insertions(+), 14 deletions(-) diff --git a/net/netfilter/nf_tables_api.c b/net/netfilter/nf_tables_api.c index 62bf498d1ec9..95b43499f551 100644 --- a/net/netfilter/nf_tables_api.c +++ b/net/netfilter/nf_tables_api.c @@ -9696,14 +9696,19 @@ static void nft_flowtable_event(unsigned long event, struct net_device *dev, struct nft_hook *hook; list_for_each_entry(hook, &flowtable->hook_list, list) { - ops = nft_hook_find_ops(hook, dev); - if (!ops) - continue; + switch (event) { + case NETDEV_UNREGISTER: + ops = nft_hook_find_ops(hook, dev); + if (!ops) + continue; - /* flow_offload_netdev_event() cleans up entries for us. */ - nft_unregister_flowtable_ops(dev_net(dev), flowtable, ops); - list_del_rcu(&ops->list); - kfree_rcu(ops, rcu); + /* flow_offload_netdev_event() cleans up entries for us. */ + nft_unregister_flowtable_ops(dev_net(dev), + flowtable, ops); + list_del_rcu(&ops->list); + kfree_rcu(ops, rcu); + break; + } break; } } diff --git a/net/netfilter/nft_chain_filter.c b/net/netfilter/nft_chain_filter.c index 862eab45851a..2eee78b58123 100644 --- a/net/netfilter/nft_chain_filter.c +++ b/net/netfilter/nft_chain_filter.c @@ -321,19 +321,24 @@ static const struct nft_chain_type nft_chain_filter_netdev = { static void nft_netdev_event(unsigned long event, struct net_device *dev, struct nft_base_chain *basechain) { + struct nft_table *table = basechain->chain.table; struct nf_hook_ops *ops; struct nft_hook *hook; list_for_each_entry(hook, &basechain->hook_list, list) { - ops = nft_hook_find_ops(hook, dev); - if (!ops) - continue; + switch (event) { + case NETDEV_UNREGISTER: + ops = nft_hook_find_ops(hook, dev); + if (!ops) + continue; - if (!(basechain->chain.table->flags & NFT_TABLE_F_DORMANT)) - nf_unregister_net_hook(dev_net(dev), ops); + if (!(table->flags & NFT_TABLE_F_DORMANT)) + nf_unregister_net_hook(dev_net(dev), ops); - list_del_rcu(&ops->list); - kfree_rcu(ops, rcu); + list_del_rcu(&ops->list); + kfree_rcu(ops, rcu); + break; + } break; } } -- 2.30.2