From patchwork Thu Jan 2 22:08:04 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Greg Kroah-Hartman X-Patchwork-Id: 234580 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=-6.8 required=3.0 tests=DKIMWL_WL_HIGH, DKIM_SIGNED, DKIM_VALID, HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI, SIGNED_OFF_BY, SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT autolearn=unavailable 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 92BBAC3276C for ; Thu, 2 Jan 2020 22:49:13 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 5D1B020848 for ; Thu, 2 Jan 2020 22:49:13 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1578005353; bh=k6bgISmFVXAejLhew9BLRgiogl5bQXZsj+xCKYwJyhg=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=kZmSyt0GO0bdeD/uOyll+RYHk9b5t63i6GLwePBqTC9EVywZ9sVJ1p6lAkS2/iNeH 9J88G0owK+C5HSF/+2RT+GW6hKZusPPlcGmSHBqLul+zejeG2+NyBqjlLAVJtM7DaS J5CI+59NzTNdting+UCA6gQdLElURM9TPmtKoTME= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728936AbgABWtJ (ORCPT ); Thu, 2 Jan 2020 17:49:09 -0500 Received: from mail.kernel.org ([198.145.29.99]:55236 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1729620AbgABW1J (ORCPT ); Thu, 2 Jan 2020 17:27:09 -0500 Received: from localhost (83-86-89-107.cable.dynamic.v4.ziggo.nl [83.86.89.107]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 7B75820863; Thu, 2 Jan 2020 22:27:08 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1578004028; bh=k6bgISmFVXAejLhew9BLRgiogl5bQXZsj+xCKYwJyhg=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=jIM2LRJILMmGa5+YAU4PfOw7emn6c8iRt+rAN/m1j2auR8KSdwK8pKPOBdrgptxky y2Cq5d+9USzn4JYquG3J9CboTs4yz08Ud6iffG+2HHEeT7N7HnMAhrRMLD5DdbMg7g +2lTUO0PGuqnhOfae7nav2Q/L5vPofyfcgqVDuzs= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Guillaume Nault , David Ahern , Hangbin Liu , "David S. Miller" Subject: [PATCH 4.14 82/91] net/dst: add new function skb_dst_update_pmtu_no_confirm Date: Thu, 2 Jan 2020 23:08:04 +0100 Message-Id: <20200102220450.485033666@linuxfoundation.org> X-Mailer: git-send-email 2.24.1 In-Reply-To: <20200102220356.856162165@linuxfoundation.org> References: <20200102220356.856162165@linuxfoundation.org> User-Agent: quilt/0.66 MIME-Version: 1.0 Sender: stable-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: stable@vger.kernel.org From: Hangbin Liu [ Upstream commit 07dc35c6e3cc3c001915d05f5bf21f80a39a0970 ] Add a new function skb_dst_update_pmtu_no_confirm() for callers who need update pmtu but should not do neighbor confirm. v5: No change. v4: No change. v3: Do not remove dst_confirm_neigh, but add a new bool parameter in dst_ops.update_pmtu to control whether we should do neighbor confirm. Also split the big patch to small ones for each area. v2: Remove dst_confirm_neigh in __ip6_rt_update_pmtu. Reviewed-by: Guillaume Nault Acked-by: David Ahern Signed-off-by: Hangbin Liu Signed-off-by: David S. Miller Signed-off-by: Greg Kroah-Hartman --- include/net/dst.h | 9 +++++++++ 1 file changed, 9 insertions(+) --- a/include/net/dst.h +++ b/include/net/dst.h @@ -531,4 +531,13 @@ static inline void skb_dst_update_pmtu(s dst->ops->update_pmtu(dst, NULL, skb, mtu, true); } +/* update dst pmtu but not do neighbor confirm */ +static inline void skb_dst_update_pmtu_no_confirm(struct sk_buff *skb, u32 mtu) +{ + struct dst_entry *dst = skb_dst(skb); + + if (dst && dst->ops->update_pmtu) + dst->ops->update_pmtu(dst, NULL, skb, mtu, false); +} + #endif /* _NET_DST_H */