From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Cyrus-Session-Id: sloti22d1t05-1025519-1521802427-2-337420025102963107 X-Sieve: CMU Sieve 3.0 X-Spam-known-sender: no X-Spam-score: 0.0 X-Spam-hits: BAYES_00 -1.9, HEADER_FROM_DIFFERENT_DOMAINS 0.25, ME_NOAUTH 0.01, RCVD_IN_DNSWL_HI -5, T_RP_MATCHES_RCVD -0.01, LANGUAGES en, BAYES_USED global, SA_VERSION 3.4.0 X-Spam-source: IP='209.132.180.67', Host='vger.kernel.org', Country='CN', FromHeader='org', MailFrom='org' X-Spam-charsets: plain='UTF-8' X-Resolved-to: greg@kroah.com X-Delivered-to: greg@kroah.com X-Mail-from: stable-owner@vger.kernel.org ARC-Seal: i=1; a=rsa-sha256; cv=none; d=messagingengine.com; s=arctest; t=1521802426; b=OSgshZn4Yv6izFEQoU8XHv9HlUOTs3ZffKXjIa5rKIZhzOs FLqWF7+H+0xXgQ22NndIzJuAM5GUXhBb4i2OCZVwlGtTFpwo5igWlVnBj9oTFApi IWf/Wvsqa4OOi9vN1nBOgXEPG2L3oosHt7XYPgejWvbkD0DZXE5LeANtMEcu2AKP KT1grJr9QI/hjQ0SaXTUshP9p2jtLddMwvPp7XQLO3650llzBOu0c4c+S+uSBs2E Fjtm+ELemGnJhIs4AofEx+vJWqQ0v4BxhFWXtUC/ZeUFYyL8jkvxhLhCHJuuDLn8 O2fLS7vAuRbQ9mXAKUpi/kMBhZT/aFhaRhwBUwA== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d= messagingengine.com; h=from:to:cc:subject:date:message-id :in-reply-to:references:mime-version:content-type:sender :list-id; s=arctest; t=1521802426; bh=eg/amKB/TFtxMiyX40QFxiyDbJ wY41kaG+UFNxUbOp8=; b=K7R2OjgRA8klPknWE1UbA2hFEl02lPTBeAfS0SSBrw KQDXsJyvrGhLhBjC+U/zNfMDte7szyysGSCmDoEULrW3Hhpkosz11PqMCrieFqOx oh5MqbnSUr+4w3P08yf0N4mZMCsVGlzVBkBl684i1aye4AC/KweG+hH6bpc6AwKn 4Ol7iXh7ukrNHtfUCwa9lElgbUbH2d9j3nEEiPUJVBs3RrrCBFPr659m/iRR1l9s TZpgwrBjwla70wLoonkQ4lHHW3AZW3MvUzAmY+mKW/kw8fESAtuIYAecoLANlomr mX+AAfiNhl3JsufwdUZcRUjNMZCp9nrY1mjU8eS9uDDg== ARC-Authentication-Results: i=1; mx4.messagingengine.com; arc=none (no signatures found); dkim=none (no signatures found); dmarc=none (p=none,has-list-id=yes,d=none) header.from=linuxfoundation.org; iprev=pass policy.iprev=209.132.180.67 (vger.kernel.org); spf=none smtp.mailfrom=stable-owner@vger.kernel.org smtp.helo=vger.kernel.org; x-aligned-from=fail; x-ptr=pass x-ptr-helo=vger.kernel.org x-ptr-lookup=vger.kernel.org; x-return-mx=pass smtp.domain=vger.kernel.org smtp.result=pass smtp_org.domain=kernel.org smtp_org.result=pass smtp_is_org_domain=no header.domain=linuxfoundation.org header.result=pass header_is_org_domain=yes; x-vs=clean score=-100 state=0 Authentication-Results: mx4.messagingengine.com; arc=none (no signatures found); dkim=none (no signatures found); dmarc=none (p=none,has-list-id=yes,d=none) header.from=linuxfoundation.org; iprev=pass policy.iprev=209.132.180.67 (vger.kernel.org); spf=none smtp.mailfrom=stable-owner@vger.kernel.org smtp.helo=vger.kernel.org; x-aligned-from=fail; x-ptr=pass x-ptr-helo=vger.kernel.org x-ptr-lookup=vger.kernel.org; x-return-mx=pass smtp.domain=vger.kernel.org smtp.result=pass smtp_org.domain=kernel.org smtp_org.result=pass smtp_is_org_domain=no header.domain=linuxfoundation.org header.result=pass header_is_org_domain=yes; x-vs=clean score=-100 state=0 X-ME-VSCategory: clean Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752113AbeCWKxc (ORCPT ); Fri, 23 Mar 2018 06:53:32 -0400 Received: from mail.linuxfoundation.org ([140.211.169.12]:44966 "EHLO mail.linuxfoundation.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755920AbeCWKNq (ORCPT ); Fri, 23 Mar 2018 06:13:46 -0400 From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, David Ahern , Hannes Frederic Sowa , "David S. Miller" , Sasha Levin Subject: [PATCH 4.4 17/97] net: ipv6: send unsolicited NA on admin up Date: Fri, 23 Mar 2018 10:54:04 +0100 Message-Id: <20180323094158.453909558@linuxfoundation.org> X-Mailer: git-send-email 2.16.2 In-Reply-To: <20180323094157.535925724@linuxfoundation.org> References: <20180323094157.535925724@linuxfoundation.org> User-Agent: quilt/0.65 X-stable: review MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Sender: stable-owner@vger.kernel.org X-Mailing-List: stable@vger.kernel.org X-getmail-retrieved-from-mailbox: INBOX X-Mailing-List: linux-kernel@vger.kernel.org List-ID: 4.4-stable review patch. If anyone has any objections, please let me know. ------------------ From: David Ahern [ Upstream commit 4a6e3c5def13c91adf2acc613837001f09af3baa ] ndisc_notify is the ipv6 equivalent to arp_notify. When arp_notify is set to 1, gratuitous arp requests are sent when the device is brought up. The same is expected when ndisc_notify is set to 1 (per ndisc_notify in Documentation/networking/ip-sysctl.txt). The NA is not sent on NETDEV_UP event; add it. Fixes: 5cb04436eef6 ("ipv6: add knob to send unsolicited ND on link-layer address change") Signed-off-by: David Ahern Acked-by: Hannes Frederic Sowa Signed-off-by: David S. Miller Signed-off-by: Sasha Levin Signed-off-by: Greg Kroah-Hartman --- net/ipv6/ndisc.c | 2 ++ 1 file changed, 2 insertions(+) --- a/net/ipv6/ndisc.c +++ b/net/ipv6/ndisc.c @@ -1686,6 +1686,8 @@ static int ndisc_netdev_event(struct not case NETDEV_CHANGEADDR: neigh_changeaddr(&nd_tbl, dev); fib6_run_gc(0, net, false); + /* fallthrough */ + case NETDEV_UP: idev = in6_dev_get(dev); if (!idev) break;