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Message-ID: <20240903135327.2810535-3-idosch@nvidia.com>
Date: Tue, 3 Sep 2024 16:53:25 +0300
From: Ido Schimmel <idosch@...dia.com>
To: <netdev@...r.kernel.org>
CC: <davem@...emloft.net>, <kuba@...nel.org>, <edumazet@...gle.com>,
	<pabeni@...hat.com>, <dsahern@...nel.org>, <gnault@...hat.com>, Ido Schimmel
	<idosch@...dia.com>
Subject: [PATCH net-next 2/4] ipv4: ipmr: Unmask upper DSCP bits in ipmr_queue_xmit()

Unmask the upper DSCP bits when calling ip_route_output_ports() so that
in the future it could perform the FIB lookup according to the full DSCP
value.

Signed-off-by: Ido Schimmel <idosch@...dia.com>
---
 net/ipv4/ipmr.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/net/ipv4/ipmr.c b/net/ipv4/ipmr.c
index f1a43199551b..089864c6a35e 100644
--- a/net/ipv4/ipmr.c
+++ b/net/ipv4/ipmr.c
@@ -1869,7 +1869,7 @@ static void ipmr_queue_xmit(struct net *net, struct mr_table *mrt,
 					   vif->remote, vif->local,
 					   0, 0,
 					   IPPROTO_IPIP,
-					   RT_TOS(iph->tos), vif->link);
+					   iph->tos & INET_DSCP_MASK, vif->link);
 		if (IS_ERR(rt))
 			goto out_free;
 		encap = sizeof(struct iphdr);
@@ -1877,7 +1877,7 @@ static void ipmr_queue_xmit(struct net *net, struct mr_table *mrt,
 		rt = ip_route_output_ports(net, &fl4, NULL, iph->daddr, 0,
 					   0, 0,
 					   IPPROTO_IPIP,
-					   RT_TOS(iph->tos), vif->link);
+					   iph->tos & INET_DSCP_MASK, vif->link);
 		if (IS_ERR(rt))
 			goto out_free;
 	}
-- 
2.46.0


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