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ipv4: ipmr: Unmask upper DSCP bits in ipmr_queue_xmit()

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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@nvidia.com>
Reviewed-by: Guillaume Nault <gnault@redhat.com>
Reviewed-by: David Ahern <dsahern@kernel.org>
Link: https://patch.msgid.link/20240903135327.2810535-3-idosch@nvidia.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
This commit is contained in:
Ido Schimmel 2024-09-03 16:53:25 +03:00 committed by Jakub Kicinski
parent 71f1fea4f6
commit 97edbbaad3
1 changed files with 2 additions and 2 deletions
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4
net/ipv4/ipmr.c
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@ -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;
}