netdev - [PATCH net-next v2 2/5] ipv4: fib_rules: support match on sport, dport and ip proto

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Message-Id: <1519789965-3465-3-git-send-email-roopa@cumulusnetworks.com>
Date:   Tue, 27 Feb 2018 19:52:42 -0800
From:   Roopa Prabhu <roopa@...ulusnetworks.com>
To:     davem@...emloft.net, netdev@...r.kernel.org
Cc:     dsa@...ulusnetworks.com, nikolay@...ulusnetworks.com,
        idosch@...lanox.com, pabeni@...hat.com
Subject: [PATCH net-next v2 2/5] ipv4: fib_rules: support match on sport, dport and ip proto

From: Roopa Prabhu <roopa@...ulusnetworks.com>

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

Signed-off-by: Roopa Prabhu <roopa@...ulusnetworks.com>
---
 net/ipv4/fib_rules.c | 11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/net/ipv4/fib_rules.c b/net/ipv4/fib_rules.c
index 35d646a..16083b8 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;
 }
 
-- 
2.1.4