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=-9.6 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, 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 757E9C43603 for ; Wed, 18 Dec 2019 11:53:59 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 46961206E0 for ; Wed, 18 Dec 2019 11:53:59 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="QVzjlN7K" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726961AbfLRLx6 (ORCPT ); Wed, 18 Dec 2019 06:53:58 -0500 Received: from mail-pg1-f195.google.com ([209.85.215.195]:39216 "EHLO mail-pg1-f195.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726718AbfLRLx6 (ORCPT ); Wed, 18 Dec 2019 06:53:58 -0500 Received: by mail-pg1-f195.google.com with SMTP id b137so1155803pga.6 for ; Wed, 18 Dec 2019 03:53:57 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=lt4EJq4unEZjPiC9PsP6hXjOGyoEw3R1RCPTJikrzIk=; b=QVzjlN7Kl1nvJxIg06p130wL/PLq8dbfvoSMMhxYF62p7nbqOHCj0cCd0WIqylyWTD aCcWb1wLisHn9KMeRYurL18PGnm09oP7AIC7TVcH9GPRzGm6h8zSbOg6sEYNm7VZaZpI HsvgW1dkfrmXnqD/i++wLtxojHm43YMW7rXWyu5DIm6zNlYIaDf8KX8VDt4TzCUeQJcf TuCnDyQTr22Ou6DSAErRN/9fS++GKpx8jp8v9xlxH1pT3UapJG1BKgIm2kkEtd33g18X TTGfcGFJrEokVSaxhbij0ZwQTTKXTOUSo3fm8aoqIRbHeTsKusMLqcfO/2xj0pXjbEhA BVxA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=lt4EJq4unEZjPiC9PsP6hXjOGyoEw3R1RCPTJikrzIk=; b=nQ50avfI2R4u6ZQMSEezfo16G9kfsUxegrQa8ZBH+u14pfOG15+4ZPWiL4OlULXloF DAdjWdVWf4EHjFDA3u01Mm/+M1bGJ0dxZfgEcwzlW9QY73fHE0F4r2Puryxxpl89u04t wbmAkqDQRZ6yYXudfKGSecg9y2QHRvg+8MpScSKgWWoW4xxLgAzef5AWAvSFOxqb0Tpd wHQXhbuVT1nURaZn5Gigf5maO2X9GZoKxp9AliJxCK3QSeE+0zBO0Iar4Vg3twcVpBEg Z0yH8T5ZBiCYEsFq6fhrPxeJEUCo7lwQ5/TBPCv2LwSlg9jCU8gK7Ym21jgAmSrk66qB +jjA== X-Gm-Message-State: APjAAAWwJSP13tg3PqV8iO4oL/0vaw/wqJu2usBvtlwws6vimj7lQFJp aDEgupNMXUwdAdT6cW3tTPBfRTGqXTzygg== X-Google-Smtp-Source: APXvYqxsdyW+qg5iiPK/tCviVPby8JpLisrJHfEasaA88yVhymYMiI+fxo21WPIpmNE1ECDCzAhi/Q== X-Received: by 2002:a63:ff20:: with SMTP id k32mr2548552pgi.448.1576670037292; Wed, 18 Dec 2019 03:53:57 -0800 (PST) Received: from dhcp-12-139.nay.redhat.com ([209.132.188.80]) by smtp.gmail.com with ESMTPSA id x33sm2961067pga.86.2019.12.18.03.53.53 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 18 Dec 2019 03:53:56 -0800 (PST) From: Hangbin Liu To: netdev@vger.kernel.org Cc: Julian Anastasov , Marcelo Ricardo Leitner , David Ahern , Eric Dumazet , Guillaume Nault , David Miller , Pablo Neira , Stephen Hemminger , Alexey Kodanev , Hangbin Liu Subject: [PATCH net-next 4/8] net/dst: add new function skb_dst_update_pmtu_no_confirm Date: Wed, 18 Dec 2019 19:53:09 +0800 Message-Id: <20191218115313.19352-5-liuhangbin@gmail.com> X-Mailer: git-send-email 2.19.2 In-Reply-To: <20191218115313.19352-1-liuhangbin@gmail.com> References: <20191203021137.26809-1-liuhangbin@gmail.com> <20191218115313.19352-1-liuhangbin@gmail.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Sender: netdev-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org Add a new function skb_dst_update_pmtu_no_confirm() for callers who need update pmtu but should not do neighbor confirm. Signed-off-by: Hangbin Liu --- include/net/dst.h | 9 +++++++++ 1 file changed, 9 insertions(+) diff --git a/include/net/dst.h b/include/net/dst.h index 0739e84152e4..208e7c0c89d8 100644 --- a/include/net/dst.h +++ b/include/net/dst.h @@ -519,6 +519,15 @@ static inline void skb_dst_update_pmtu(struct sk_buff *skb, u32 mtu) 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); +} + static inline void skb_tunnel_check_pmtu(struct sk_buff *skb, struct dst_entry *encap_dst, int headroom) -- 2.19.2