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Date:   Thu, 16 Jan 2020 11:44:04 -0500
From:   Sasha Levin <sashal@...nel.org>
To:     linux-kernel@...r.kernel.org, stable@...r.kernel.org
Cc:     Roopa Prabhu <roopa@...ulusnetworks.com>,
        "David S . Miller" <davem@...emloft.net>,
        Sasha Levin <sashal@...nel.org>,
        bridge@...ts.linux-foundation.org, netdev@...r.kernel.org
Subject: [PATCH AUTOSEL 4.19 013/671] bridge: br_arp_nd_proxy: set icmp6_router if neigh has NTF_ROUTER

From: Roopa Prabhu <roopa@...ulusnetworks.com>

[ Upstream commit 7aca011f88eb57be1b17b0216247f4e32ac54e29 ]

Fixes: ed842faeb2bd ("bridge: suppress nd pkts on BR_NEIGH_SUPPRESS ports")
Signed-off-by: Roopa Prabhu <roopa@...ulusnetworks.com>
Signed-off-by: David S. Miller <davem@...emloft.net>
Signed-off-by: Sasha Levin <sashal@...nel.org>
---
 net/bridge/br_arp_nd_proxy.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/net/bridge/br_arp_nd_proxy.c b/net/bridge/br_arp_nd_proxy.c
index 2cf7716254be..d42e3904b498 100644
--- a/net/bridge/br_arp_nd_proxy.c
+++ b/net/bridge/br_arp_nd_proxy.c
@@ -311,7 +311,7 @@ static void br_nd_send(struct net_bridge *br, struct net_bridge_port *p,
 	/* Neighbor Advertisement */
 	memset(na, 0, sizeof(*na) + na_olen);
 	na->icmph.icmp6_type = NDISC_NEIGHBOUR_ADVERTISEMENT;
-	na->icmph.icmp6_router = 0; /* XXX: should be 1 ? */
+	na->icmph.icmp6_router = (n->flags & NTF_ROUTER) ? 1 : 0;
 	na->icmph.icmp6_override = 1;
 	na->icmph.icmp6_solicited = 1;
 	na->target = ns->target;
-- 
2.20.1

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