From mboxrd@z Thu Jan 1 00:00:00 1970 From: Ido Schimmel Subject: [PATCH net-next 10/18] ipv6: Report dead flag during route dump Date: Sun, 7 Jan 2018 12:45:10 +0200 Message-ID: <20180107104518.31693-11-idosch@mellanox.com> References: <20180107104518.31693-1-idosch@mellanox.com> Mime-Version: 1.0 Content-Type: text/plain Cc: davem@davemloft.net, dsahern@gmail.com, roopa@cumulusnetworks.com, nicolas.dichtel@6wind.com, weiwan@google.com, kafai@fb.com, yoshfuji@linux-ipv6.org, mlxsw@mellanox.com, Ido Schimmel To: netdev@vger.kernel.org Return-path: Received: from mail-eopbgr00048.outbound.protection.outlook.com ([40.107.0.48]:42941 "EHLO EUR02-AM5-obe.outbound.protection.outlook.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1753041AbeAGKrE (ORCPT ); Sun, 7 Jan 2018 05:47:04 -0500 In-Reply-To: <20180107104518.31693-1-idosch@mellanox.com> Sender: netdev-owner@vger.kernel.org List-ID: Up until now the RTNH_F_DEAD flag was only reported in route dump when the 'ignore_routes_with_linkdown' sysctl was set. This is expected as dead routes were flushed otherwise. The reliance on this sysctl is going to be removed, so we need to report the flag regardless of the sysctl's value. Signed-off-by: Ido Schimmel --- net/ipv6/route.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/net/ipv6/route.c b/net/ipv6/route.c index c00156805bf0..f62d24948aa2 100644 --- a/net/ipv6/route.c +++ b/net/ipv6/route.c @@ -4049,6 +4049,9 @@ static size_t rt6_nlmsg_size(struct rt6_info *rt) static int rt6_nexthop_info(struct sk_buff *skb, struct rt6_info *rt, unsigned int *flags, bool skip_oif) { + if (rt->rt6i_nh_flags & RTNH_F_DEAD) + *flags |= RTNH_F_DEAD; + if (rt->rt6i_nh_flags & RTNH_F_LINKDOWN) { *flags |= RTNH_F_LINKDOWN; if (rt->rt6i_idev->cnf.ignore_routes_with_linkdown) -- 2.14.3