From mboxrd@z Thu Jan 1 00:00:00 1970 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 40DD55380F for ; Tue, 19 Mar 2024 08:42:38 +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=1710837759; cv=none; b=JKMHK/uQMZED6nQE+ZVm0anaHg2yTWatjWgnpx7h2jLdoCStZak86PTrdjfxDroxIS+Q1gat+kDjE5a5P5AVZzu1519zyKCf0sZdpoTbrRQUjtsqANTwtD2Sphl3XQkeoKOn+UiyBcuiEXgFrpHMNXJVHiJHRKP9dWiboDHh/WE= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1710837759; c=relaxed/simple; bh=URLZf9E/ffxS1vrY1iWFJlKv5DWZ7Ca+KZCfll41/+o=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=cG0m5QsHl3jMfJXRWUdUcW3i9d+iKwSqQx+D6Fr/U0aUk9MmkHeeSjbXkxQGnZTrcFxVWv1Hf2MEKkg6pfcbi4DtaEVsEGsiykCyPIjg7hluP2wng35OoBQhqsXbl3TR3bcBTL9nmvVvWc7CL8hHlsNH811/wSxnLeowNDPGi2g= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=k13XFDjK; 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="k13XFDjK" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 611CEC433C7; Tue, 19 Mar 2024 08:42:38 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1710837758; bh=URLZf9E/ffxS1vrY1iWFJlKv5DWZ7Ca+KZCfll41/+o=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=k13XFDjKYsG8Za0AC3b329y+9LDqMCTsGZGMpBvugxqIfRO23pOQ3wowB8pysUALQ KNC2ygO1Ho9Cea+EyXrh3QCWakv1I9VfuCQVUcYF3eKUd9lxFSltdN1MHY2L6REc0L frc/RXGWTUsvgy72+Qlv4WlaLB+LHndWNbSjK0E52L31W9V2LJqqL9BcDYGfmpKDvu BtsebG8NahxUz3KqoX7DHhjjx5ZjfVcD+iK4yJQSUKgHjHZkSdHgOYLYVlbWMI1KKj 6MY+lsEtccyo+XzNhz+P42meDrW42LCJHnSWrNr5JBZq71aOc3Yf+0uwVEl1vWrA6g q81jgF6HYdaWA== Date: Tue, 19 Mar 2024 10:42:35 +0200 From: Leon Romanovsky To: Feng Wang Cc: netdev@vger.kernel.org, steffen.klassert@secunet.com, herbert@gondor.apana.org.au, davem@davemloft.net Subject: Re: [PATCH] [PATCH ipsec] xfrm: Store ipsec interface index Message-ID: <20240319084235.GA12080@unreal> References: <20240318231328.2086239-1-wangfe@google.com> Precedence: bulk X-Mailing-List: netdev@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20240318231328.2086239-1-wangfe@google.com> On Mon, Mar 18, 2024 at 04:13:28PM -0700, Feng Wang wrote: > From: wangfe > > When there are multiple ipsec sessions, packet offload driver > can use the index to distinguish the packets from the different > sessions even though xfrm_selector are same. Do we have such "packet offload driver" in the kernel tree? Thanks > Thus each packet is handled corresponding to its session parameter. > > Signed-off-by: wangfe > --- > net/xfrm/xfrm_interface_core.c | 4 +++- > 1 file changed, 3 insertions(+), 1 deletion(-) > > diff --git a/net/xfrm/xfrm_interface_core.c b/net/xfrm/xfrm_interface_core.c > index 21d50d75c260..996571af53e5 100644 > --- a/net/xfrm/xfrm_interface_core.c > +++ b/net/xfrm/xfrm_interface_core.c > @@ -506,7 +506,9 @@ xfrmi_xmit2(struct sk_buff *skb, struct net_device *dev, struct flowi *fl) > xfrmi_scrub_packet(skb, !net_eq(xi->net, dev_net(dev))); > skb_dst_set(skb, dst); > skb->dev = tdev; > - > +#ifdef CONFIG_XFRM_OFFLOAD > + skb->skb_iif = if_id; > +#endif > err = dst_output(xi->net, skb->sk, skb); > if (net_xmit_eval(err) == 0) { > dev_sw_netstats_tx_add(dev, 1, length); > -- > 2.44.0.291.gc1ea87d7ee-goog > >