From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-10.0 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI, SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 660EEC46499 for ; Fri, 5 Jul 2019 08:46:26 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 44C77218BB for ; Fri, 5 Jul 2019 08:46:26 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728030AbfGEIqY (ORCPT ); Fri, 5 Jul 2019 04:46:24 -0400 Received: from a.mx.secunet.com ([62.96.220.36]:37480 "EHLO a.mx.secunet.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727825AbfGEIqT (ORCPT ); Fri, 5 Jul 2019 04:46:19 -0400 Received: from localhost (localhost [127.0.0.1]) by a.mx.secunet.com (Postfix) with ESMTP id 5146820257; Fri, 5 Jul 2019 10:46:17 +0200 (CEST) X-Virus-Scanned: by secunet Received: from a.mx.secunet.com ([127.0.0.1]) by localhost (a.mx.secunet.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id aJw6lmAxivI5; Fri, 5 Jul 2019 10:46:16 +0200 (CEST) Received: from mail-essen-01.secunet.de (mail-essen-01.secunet.de [10.53.40.204]) (using TLSv1 with cipher ECDHE-RSA-AES256-SHA (256/256 bits)) (No client certificate requested) by a.mx.secunet.com (Postfix) with ESMTPS id 4125E201C6; Fri, 5 Jul 2019 10:46:15 +0200 (CEST) Received: from gauss2.secunet.de (10.182.7.193) by mail-essen-01.secunet.de (10.53.40.204) with Microsoft SMTP Server id 14.3.439.0; Fri, 5 Jul 2019 10:46:14 +0200 Received: by gauss2.secunet.de (Postfix, from userid 1000) id 533713180879; Fri, 5 Jul 2019 10:46:14 +0200 (CEST) From: Steffen Klassert To: David Miller CC: Herbert Xu , Steffen Klassert , Subject: [PATCH 5/9] xfrm: remove eth_proto value from xfrm_state_afinfo Date: Fri, 5 Jul 2019 10:46:06 +0200 Message-ID: <20190705084610.3646-6-steffen.klassert@secunet.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20190705084610.3646-1-steffen.klassert@secunet.com> References: <20190705084610.3646-1-steffen.klassert@secunet.com> MIME-Version: 1.0 Content-Type: text/plain X-EXCLAIMER-MD-CONFIG: 2c86f778-e09b-4440-8b15-867914633a10 Sender: netdev-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org From: Florian Westphal xfrm_prepare_input needs to lookup the state afinfo backend again to fetch the address family ethernet protocol value. There are only two address families, so a switch statement is simpler. While at it, use u8 for family and proto and remove the owner member -- its not used anywhere. Signed-off-by: Florian Westphal Signed-off-by: Steffen Klassert --- include/net/xfrm.h | 6 ++---- net/ipv4/xfrm4_state.c | 2 -- net/ipv6/xfrm6_state.c | 2 -- net/xfrm/xfrm_input.c | 24 ++++++++++++------------ 4 files changed, 14 insertions(+), 20 deletions(-) diff --git a/include/net/xfrm.h b/include/net/xfrm.h index 4325cb708ed4..812994ad49ac 100644 --- a/include/net/xfrm.h +++ b/include/net/xfrm.h @@ -346,10 +346,8 @@ void km_state_expired(struct xfrm_state *x, int hard, u32 portid); int __xfrm_state_delete(struct xfrm_state *x); struct xfrm_state_afinfo { - unsigned int family; - unsigned int proto; - __be16 eth_proto; - struct module *owner; + u8 family; + u8 proto; const struct xfrm_type *type_map[IPPROTO_MAX]; const struct xfrm_type_offload *type_offload_map[IPPROTO_MAX]; diff --git a/net/ipv4/xfrm4_state.c b/net/ipv4/xfrm4_state.c index 62c96da38b4e..f8ed3c3bb928 100644 --- a/net/ipv4/xfrm4_state.c +++ b/net/ipv4/xfrm4_state.c @@ -34,8 +34,6 @@ int xfrm4_extract_header(struct sk_buff *skb) static struct xfrm_state_afinfo xfrm4_state_afinfo = { .family = AF_INET, .proto = IPPROTO_IPIP, - .eth_proto = htons(ETH_P_IP), - .owner = THIS_MODULE, .output = xfrm4_output, .output_finish = xfrm4_output_finish, .extract_input = xfrm4_extract_input, diff --git a/net/ipv6/xfrm6_state.c b/net/ipv6/xfrm6_state.c index 1782ebb22dd3..78daadecbdef 100644 --- a/net/ipv6/xfrm6_state.c +++ b/net/ipv6/xfrm6_state.c @@ -40,8 +40,6 @@ int xfrm6_extract_header(struct sk_buff *skb) static struct xfrm_state_afinfo xfrm6_state_afinfo = { .family = AF_INET6, .proto = IPPROTO_IPV6, - .eth_proto = htons(ETH_P_IPV6), - .owner = THIS_MODULE, .output = xfrm6_output, .output_finish = xfrm6_output_finish, .extract_input = xfrm6_extract_input, diff --git a/net/xfrm/xfrm_input.c b/net/xfrm/xfrm_input.c index 314973aaa414..8a00cc94c32c 100644 --- a/net/xfrm/xfrm_input.c +++ b/net/xfrm/xfrm_input.c @@ -359,28 +359,28 @@ static int xfrm_prepare_input(struct xfrm_state *x, struct sk_buff *skb) afinfo = xfrm_state_afinfo_get_rcu(x->outer_mode.family); if (likely(afinfo)) err = afinfo->extract_input(x, skb); + rcu_read_unlock(); - if (err) { - rcu_read_unlock(); + if (err) return err; - } if (x->sel.family == AF_UNSPEC) { inner_mode = xfrm_ip2inner_mode(x, XFRM_MODE_SKB_CB(skb)->protocol); - if (!inner_mode) { - rcu_read_unlock(); + if (!inner_mode) return -EAFNOSUPPORT; - } } - afinfo = xfrm_state_afinfo_get_rcu(inner_mode->family); - if (unlikely(!afinfo)) { - rcu_read_unlock(); - return -EAFNOSUPPORT; + switch (inner_mode->family) { + case AF_INET: + skb->protocol = htons(ETH_P_IP); + break; + case AF_INET6: + skb->protocol = htons(ETH_P_IPV6); + default: + WARN_ON_ONCE(1); + break; } - skb->protocol = afinfo->eth_proto; - rcu_read_unlock(); return xfrm_inner_mode_encap_remove(x, inner_mode, skb); } -- 2.17.1