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 35d646a62ad454ddced6a614dc7e10b67447a3f0..16083b82954bff13c6c74a94df9f5b3ee68e74b4 100644 (file)
--- 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;
 }