From patchwork Wed Feb 15 13:46:57 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Andrea Mayer X-Patchwork-Id: 13141707 X-Patchwork-Delegate: kuba@kernel.org Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id DD221C64EC7 for ; Wed, 15 Feb 2023 14:09:56 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229687AbjBOOJz (ORCPT ); Wed, 15 Feb 2023 09:09:55 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:48082 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229460AbjBOOJy (ORCPT ); Wed, 15 Feb 2023 09:09:54 -0500 X-Greylist: delayed 1327 seconds by postgrey-1.37 at lindbergh.monkeyblade.net; Wed, 15 Feb 2023 06:09:52 PST Received: from smtp.uniroma2.it (smtp.uniroma2.it [160.80.6.16]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id C96452D14D; Wed, 15 Feb 2023 06:09:51 -0800 (PST) Received: from localhost.localdomain ([160.80.103.126]) by smtp-2015.uniroma2.it (8.14.4/8.14.4/Debian-8) with ESMTP id 31FDlD5K003217 (version=TLSv1/SSLv3 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128 verify=NOT); Wed, 15 Feb 2023 14:47:14 +0100 From: Andrea Mayer To: "David S. Miller" , Eric Dumazet , Jakub Kicinski , Paolo Abeni , David Ahern , Shuah Khan , linux-kernel@vger.kernel.org, netdev@vger.kernel.org, linux-kselftest@vger.kernel.org Cc: Stefano Salsano , Paolo Lungaroni , Ahmed Abdelsalam , Andrea Mayer Subject: [net-next 1/3] seg6: factor out End lookup nexthop processing to a dedicated function Date: Wed, 15 Feb 2023 14:46:57 +0100 Message-Id: <20230215134659.7613-2-andrea.mayer@uniroma2.it> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20230215134659.7613-1-andrea.mayer@uniroma2.it> References: <20230215134659.7613-1-andrea.mayer@uniroma2.it> MIME-Version: 1.0 X-Virus-Scanned: clamav-milter 0.100.0 at smtp-2015 X-Virus-Status: Clean Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org X-Patchwork-Delegate: kuba@kernel.org The End nexthop lookup/input operations are moved into a new helper function named input_action_end_finish(). This avoids duplicating the code needed to compute the nexthop in the different flavors of the End behavior. Signed-off-by: Andrea Mayer Reviewed-by: David Ahern --- net/ipv6/seg6_local.c | 16 ++++++++++------ 1 file changed, 10 insertions(+), 6 deletions(-) diff --git a/net/ipv6/seg6_local.c b/net/ipv6/seg6_local.c index 487f8e98deaa..765e89a24bc2 100644 --- a/net/ipv6/seg6_local.c +++ b/net/ipv6/seg6_local.c @@ -364,6 +364,14 @@ static void seg6_next_csid_advance_arg(struct in6_addr *addr, memset(&addr->s6_addr[16 - fnc_octects], 0x00, fnc_octects); } +static int input_action_end_finish(struct sk_buff *skb, + struct seg6_local_lwt *slwt) +{ + seg6_lookup_nexthop(skb, NULL, 0); + + return dst_input(skb); +} + static int input_action_end_core(struct sk_buff *skb, struct seg6_local_lwt *slwt) { @@ -375,9 +383,7 @@ static int input_action_end_core(struct sk_buff *skb, advance_nextseg(srh, &ipv6_hdr(skb)->daddr); - seg6_lookup_nexthop(skb, NULL, 0); - - return dst_input(skb); + return input_action_end_finish(skb, slwt); drop: kfree_skb(skb); @@ -395,9 +401,7 @@ static int end_next_csid_core(struct sk_buff *skb, struct seg6_local_lwt *slwt) /* update DA */ seg6_next_csid_advance_arg(daddr, finfo); - seg6_lookup_nexthop(skb, NULL, 0); - - return dst_input(skb); + return input_action_end_finish(skb, slwt); } static bool seg6_next_csid_enabled(__u32 fops)