netdev - [PATCH iproute2 1/1] tc flower: fix parsing vlan_id and vlan

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Message-Id: <20201124122641.46696-1-roid@nvidia.com>
Date:   Tue, 24 Nov 2020 14:26:41 +0200
From:   Roi Dayan <roid@...dia.com>
To:     netdev@...r.kernel.org
Cc:     Roi Dayan <roid@...dia.com>,
        Simon Horman <simon.horman@...ronome.com>,
        David Ahern <dsahern@...il.com>, zahari.doychev@...ux.com,
        jianbol@...lanox.com, jhs@...atatu.com
Subject: [PATCH iproute2 1/1] tc flower: fix parsing vlan_id and vlan_prio

When protocol is vlan then eth_type is set to the vlan eth type.
So when parsing vlan_id and vlan_prio need to check tc_proto
is vlan and not eth_type.

Fixes: 4c551369e083 ("tc flower: use right ethertype in icmp/arp parsing")
Signed-off-by: Roi Dayan <roid@...dia.com>
---
 tc/f_flower.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/tc/f_flower.c b/tc/f_flower.c
index 58e1140d7391..9b278f3c0e83 100644
--- a/tc/f_flower.c
+++ b/tc/f_flower.c
@@ -1432,7 +1432,7 @@ static int flower_parse_opt(struct filter_util *qu, char *handle,
 			__u16 vid;
 
 			NEXT_ARG();
-			if (!eth_type_vlan(eth_type)) {
+			if (!eth_type_vlan(tc_proto)) {
 				fprintf(stderr, "Can't set \"vlan_id\" if ethertype isn't 802.1Q or 802.1AD\n");
 				return -1;
 			}
@@ -1446,7 +1446,7 @@ static int flower_parse_opt(struct filter_util *qu, char *handle,
 			__u8 vlan_prio;
 
 			NEXT_ARG();
-			if (!eth_type_vlan(eth_type)) {
+			if (!eth_type_vlan(tc_proto)) {
 				fprintf(stderr, "Can't set \"vlan_prio\" if ethertype isn't 802.1Q or 802.1AD\n");
 				return -1;
 			}
-- 
2.25.4