From patchwork Mon Jun 28 05:45:14 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Steffen Klassert X-Patchwork-Id: 12347285 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 X-Spam-Level: X-Spam-Status: No, score=-16.8 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,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 48B68C2B9F4 for ; Mon, 28 Jun 2021 05:55:04 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 30758619AD for ; Mon, 28 Jun 2021 05:55:04 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232245AbhF1F52 (ORCPT ); Mon, 28 Jun 2021 01:57:28 -0400 Received: from mailout2.secunet.com ([62.96.220.49]:35584 "EHLO mailout2.secunet.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232200AbhF1F5Y (ORCPT ); Mon, 28 Jun 2021 01:57:24 -0400 Received: from cas-essen-02.secunet.de (unknown [10.53.40.202]) by mailout2.secunet.com (Postfix) with ESMTP id 03FA8800051; Mon, 28 Jun 2021 07:54:58 +0200 (CEST) Received: from mbx-essen-01.secunet.de (10.53.40.197) by cas-essen-02.secunet.de (10.53.40.202) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2176.2; Mon, 28 Jun 2021 07:54:57 +0200 Received: from gauss2.secunet.de (10.182.7.193) by mbx-essen-01.secunet.de (10.53.40.197) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2176.2; Mon, 28 Jun 2021 07:54:57 +0200 Received: by gauss2.secunet.de (Postfix, from userid 1000) id 901C93180427; Mon, 28 Jun 2021 07:45:28 +0200 (CEST) From: Steffen Klassert To: David Miller , Jakub Kicinski CC: Herbert Xu , Steffen Klassert , Subject: [PATCH 09/17] xfrm: remove hdr_offset indirection Date: Mon, 28 Jun 2021 07:45:14 +0200 Message-ID: <20210628054522.1718786-10-steffen.klassert@secunet.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20210628054522.1718786-1-steffen.klassert@secunet.com> References: <20210628054522.1718786-1-steffen.klassert@secunet.com> MIME-Version: 1.0 X-ClientProxiedBy: cas-essen-02.secunet.de (10.53.40.202) To mbx-essen-01.secunet.de (10.53.40.197) X-EXCLAIMER-MD-CONFIG: 2c86f778-e09b-4440-8b15-867914633a10 Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org X-Patchwork-Delegate: kuba@kernel.org From: Florian Westphal After previous patches all remaining users set the function pointer to the same function: xfrm6_find_1stfragopt. So remove this function pointer and call ip6_find_1stfragopt directly. Reduces size of xfrm_type to 64 bytes on 64bit platforms. Signed-off-by: Florian Westphal Signed-off-by: Steffen Klassert --- include/net/xfrm.h | 3 --- net/ipv6/ah6.c | 1 - net/ipv6/esp6.c | 1 - net/ipv6/ipcomp6.c | 1 - net/ipv6/xfrm6_output.c | 7 ------- net/xfrm/xfrm_output.c | 2 +- 6 files changed, 1 insertion(+), 14 deletions(-) diff --git a/include/net/xfrm.h b/include/net/xfrm.h index 1aad78c5f2d5..c8890da00b8a 100644 --- a/include/net/xfrm.h +++ b/include/net/xfrm.h @@ -402,7 +402,6 @@ struct xfrm_type { int (*output)(struct xfrm_state *, struct sk_buff *pskb); int (*reject)(struct xfrm_state *, struct sk_buff *, const struct flowi *); - int (*hdr_offset)(struct xfrm_state *, struct sk_buff *, u8 **); }; int xfrm_register_type(const struct xfrm_type *type, unsigned short family); @@ -1605,8 +1604,6 @@ __be32 xfrm6_tunnel_alloc_spi(struct net *net, xfrm_address_t *saddr); __be32 xfrm6_tunnel_spi_lookup(struct net *net, const xfrm_address_t *saddr); int xfrm6_output(struct net *net, struct sock *sk, struct sk_buff *skb); int xfrm6_output_finish(struct sock *sk, struct sk_buff *skb); -int xfrm6_find_1stfragopt(struct xfrm_state *x, struct sk_buff *skb, - u8 **prevhdr); #ifdef CONFIG_XFRM void xfrm6_local_rxpmtu(struct sk_buff *skb, u32 mtu); diff --git a/net/ipv6/ah6.c b/net/ipv6/ah6.c index e9705c256068..828e62514260 100644 --- a/net/ipv6/ah6.c +++ b/net/ipv6/ah6.c @@ -762,7 +762,6 @@ static const struct xfrm_type ah6_type = { .destructor = ah6_destroy, .input = ah6_input, .output = ah6_output, - .hdr_offset = xfrm6_find_1stfragopt, }; static struct xfrm6_protocol ah6_protocol = { diff --git a/net/ipv6/esp6.c b/net/ipv6/esp6.c index be2c0ac76eaa..37c4b1726c5e 100644 --- a/net/ipv6/esp6.c +++ b/net/ipv6/esp6.c @@ -1250,7 +1250,6 @@ static const struct xfrm_type esp6_type = { .destructor = esp6_destroy, .input = esp6_input, .output = esp6_output, - .hdr_offset = xfrm6_find_1stfragopt, }; static struct xfrm6_protocol esp6_protocol = { diff --git a/net/ipv6/ipcomp6.c b/net/ipv6/ipcomp6.c index 491aba66b7ae..15f984be3570 100644 --- a/net/ipv6/ipcomp6.c +++ b/net/ipv6/ipcomp6.c @@ -178,7 +178,6 @@ static const struct xfrm_type ipcomp6_type = { .destructor = ipcomp_destroy, .input = ipcomp_input, .output = ipcomp_output, - .hdr_offset = xfrm6_find_1stfragopt, }; static struct xfrm6_protocol ipcomp6_protocol = { diff --git a/net/ipv6/xfrm6_output.c b/net/ipv6/xfrm6_output.c index 8b84d534b19d..57fa27c1cdf9 100644 --- a/net/ipv6/xfrm6_output.c +++ b/net/ipv6/xfrm6_output.c @@ -16,13 +16,6 @@ #include #include -int xfrm6_find_1stfragopt(struct xfrm_state *x, struct sk_buff *skb, - u8 **prevhdr) -{ - return ip6_find_1stfragopt(skb, prevhdr); -} -EXPORT_SYMBOL(xfrm6_find_1stfragopt); - void xfrm6_local_rxpmtu(struct sk_buff *skb, u32 mtu) { struct flowi6 fl6; diff --git a/net/xfrm/xfrm_output.c b/net/xfrm/xfrm_output.c index 1734339b6dd0..10842d5cf6e1 100644 --- a/net/xfrm/xfrm_output.c +++ b/net/xfrm/xfrm_output.c @@ -185,7 +185,7 @@ static int xfrm6_hdr_offset(struct xfrm_state *x, struct sk_buff *skb, u8 **prev break; } - return x->type->hdr_offset(x, skb, prevhdr); + return ip6_find_1stfragopt(skb, prevhdr); } /* Add encapsulation header.