netdev - [PATCH net-next 4/6] net: fib_rules: Enable DSCP mask usage

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Message-ID: <20250220080525.831924-5-idosch@nvidia.com>
Date: Thu, 20 Feb 2025 10:05:23 +0200
From: Ido Schimmel <idosch@...dia.com>
To: <netdev@...r.kernel.org>
CC: <davem@...emloft.net>, <kuba@...nel.org>, <pabeni@...hat.com>,
	<edumazet@...gle.com>, <horms@...nel.org>, <donald.hunter@...il.com>,
	<dsahern@...nel.org>, <petrm@...dia.com>, <gnault@...hat.com>, Ido Schimmel
	<idosch@...dia.com>
Subject: [PATCH net-next 4/6] net: fib_rules: Enable DSCP mask usage

Allow user space to configure FIB rules that match on DSCP with a mask,
now that support has been added to the IPv4 and IPv6 address families.

Reviewed-by: Petr Machata <petrm@...dia.com>
Signed-off-by: Ido Schimmel <idosch@...dia.com>
---
 net/core/fib_rules.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/net/core/fib_rules.c b/net/core/fib_rules.c
index 00e6fe79ecba..4bc64d912a1c 100644
--- a/net/core/fib_rules.c
+++ b/net/core/fib_rules.c
@@ -845,7 +845,7 @@ static const struct nla_policy fib_rule_policy[FRA_MAX + 1] = {
 	[FRA_FLOWLABEL_MASK] = { .type = NLA_BE32 },
 	[FRA_SPORT_MASK] = { .type = NLA_U16 },
 	[FRA_DPORT_MASK] = { .type = NLA_U16 },
-	[FRA_DSCP_MASK] = { .type = NLA_REJECT },
+	[FRA_DSCP_MASK] = NLA_POLICY_MASK(NLA_U8, INET_DSCP_MASK >> 2),
 };
 
 int fib_newrule(struct net *net, struct sk_buff *skb, struct nlmsghdr *nlh,
-- 
2.48.1