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Message-ID: <20240829065459.2273106-3-idosch@nvidia.com>
Date: Thu, 29 Aug 2024 09:54:49 +0300
From: Ido Schimmel <idosch@...dia.com>
To: <netdev@...r.kernel.org>
CC: <davem@...emloft.net>, <kuba@...nel.org>, <pabeni@...hat.com>,
	<edumazet@...gle.com>, <gnault@...hat.com>, <dsahern@...nel.org>,
	<ast@...nel.org>, <daniel@...earbox.net>, <martin.lau@...ux.dev>,
	<john.fastabend@...il.com>, <steffen.klassert@...unet.com>,
	<herbert@...dor.apana.org.au>, <bpf@...r.kernel.org>, Ido Schimmel
	<idosch@...dia.com>
Subject: [PATCH net-next v2 02/12] ipv4: Unmask upper DSCP bits in ip_route_output_key_hash()

Unmask the upper DSCP bits so that in the future output routes could be
looked up according to the full DSCP value.

Signed-off-by: Ido Schimmel <idosch@...dia.com>
Reviewed-by: Guillaume Nault <gnault@...hat.com>
---
 net/ipv4/route.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/net/ipv4/route.c b/net/ipv4/route.c
index e4b45aa18470..5a77dc6d9c72 100644
--- a/net/ipv4/route.c
+++ b/net/ipv4/route.c
@@ -2618,7 +2618,7 @@ struct rtable *ip_route_output_key_hash(struct net *net, struct flowi4 *fl4,
 	struct rtable *rth;
 
 	fl4->flowi4_iif = LOOPBACK_IFINDEX;
-	fl4->flowi4_tos &= IPTOS_RT_MASK;
+	fl4->flowi4_tos &= INET_DSCP_MASK;
 
 	rcu_read_lock();
 	rth = ip_route_output_key_hash_rcu(net, fl4, &res, skb);
-- 
2.46.0


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