From: Roopa Prabhu <roopa@cumulusnetworks.com>
Date: Thu, 1 Mar 2018 03:41:06 +0000 (-0500)
Subject: ipv4: fib_rules: support match on sport, dport and ip proto
X-Git-Url: http://git.lede-project.org./?a=commitdiff_plain;h=4a2d73a4fb36;p=openwrt%2Fstaging%2Fblogic.git

ipv4: fib_rules: support match on sport, dport and ip proto

support to match on src port, dst port and ip protocol.

Signed-off-by: Roopa Prabhu <roopa@cumulusnetworks.com>
Acked-by: Nikolay Aleksandrov <nikolay@cumulusnetworks.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---

diff --git a/net/ipv4/fib_rules.c b/net/ipv4/fib_rules.c
index 35d646a62ad4..16083b82954b 100644
--- a/net/ipv4/fib_rules.c
+++ b/net/ipv4/fib_rules.c
@@ -182,6 +182,17 @@ static int fib4_rule_match(struct fib_rule *rule, struct flowi *fl, int flags)
 	if (r->tos && (r->tos != fl4->flowi4_tos))
 		return 0;
 
+	if (rule->ip_proto && (rule->ip_proto != fl4->flowi4_proto))
+		return 0;
+
+	if (fib_rule_port_range_set(&rule->sport_range) &&
+	    !fib_rule_port_inrange(&rule->sport_range, fl4->fl4_sport))
+		return 0;
+
+	if (fib_rule_port_range_set(&rule->dport_range) &&
+	    !fib_rule_port_inrange(&rule->dport_range, fl4->fl4_dport))
+		return 0;
+
 	return 1;
 }