diff mbox series

[net-next,5/5] net: sched: em_ipt: add support for addrtype matching

Message ID 20190626115855.13241-6-nikolay@cumulusnetworks.com
State Changes Requested
Delegated to: David Miller
Headers show
Series em_ipt: add support for addrtype | expand

Commit Message

Nikolay Aleksandrov June 26, 2019, 11:58 a.m. UTC 
Allow em_ipt to use addrtype for matching. Restrict the use only to
revision 1 which has IPv6 support. Since it's a NFPROTO_UNSPEC xt match
we use the user-specified nfproto for matching, in case it's unspecified
both v4/v6 will be matched by the rule.

Signed-off-by: Nikolay Aleksandrov <nikolay@cumulusnetworks.com>
---
 net/sched/em_ipt.c | 14 ++++++++++++++
 1 file changed, 14 insertions(+)
diff mbox series

Patch

diff --git a/net/sched/em_ipt.c b/net/sched/em_ipt.c
index cfb93ce340da..ce0798f6f1f7 100644
--- a/net/sched/em_ipt.c
+++ b/net/sched/em_ipt.c
@@ -72,11 +72,25 @@  static int policy_validate_match_data(struct nlattr **tb, u8 mrev)
 	return 0;
 }
 
+static int addrtype_validate_match_data(struct nlattr **tb, u8 mrev)
+{
+	if (mrev != 1) {
+		pr_err("only addrtype match revision 1 supported");
+		return -EINVAL;
+	}
+
+	return 0;
+}
+
 static const struct em_ipt_xt_match em_ipt_xt_matches[] = {
 	{
 		.match_name = "policy",
 		.validate_match_data = policy_validate_match_data
 	},
+	{
+		.match_name = "addrtype",
+		.validate_match_data = addrtype_validate_match_data
+	},
 	{}
 };