netdev - [PATCH net-next 4/5] net/sched: flower: Dump the ethertype encapsulated in vlan

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Message-Id: <20180630095317.5691-5-jianbol@mellanox.com>
Date:   Sat, 30 Jun 2018 09:53:16 +0000
From:   Jianbo Liu <jianbol@...lanox.com>
To:     netdev@...r.kernel.org, davem@...emloft.net, jiri@...nulli.us
Cc:     Jianbo Liu <jianbol@...lanox.com>,
        Jamal Hadi Salim <jhs@...atatu.com>,
        Cong Wang <xiyou.wangcong@...il.com>
Subject: [PATCH net-next 4/5] net/sched: flower: Dump the ethertype encapsulated in vlan

Currently the encapsulated ethertype is not dumped as it's the same as
TCA_FLOWER_KEY_ETH_TYPE keyvalue. But the dumping result is inconsistent
with input, we add dumping it with TCA_FLOWER_KEY_VLAN_ETH_TYPE.

Signed-off-by: Jianbo Liu <jianbol@...lanox.com>
Acked-by: Jiri Pirko <jiri@...lanox.com>
---
 net/sched/cls_flower.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/net/sched/cls_flower.c b/net/sched/cls_flower.c
index e6774af..30f3e18 100644
--- a/net/sched/cls_flower.c
+++ b/net/sched/cls_flower.c
@@ -1255,6 +1255,10 @@ static int fl_dump(struct net *net, struct tcf_proto *tp, void *fh,
 	if (fl_dump_key_vlan(skb, &key->vlan, &mask->vlan))
 		goto nla_put_failure;
 
+	if (mask->vlan.vlan_tpid &&
+	    nla_put_u16(skb, TCA_FLOWER_KEY_VLAN_ETH_TYPE, key->basic.n_proto))
+		goto nla_put_failure;
+
 	if ((key->basic.n_proto == htons(ETH_P_IP) ||
 	     key->basic.n_proto == htons(ETH_P_IPV6)) &&
 	    (fl_dump_key_val(skb, &key->basic.ip_proto, TCA_FLOWER_KEY_IP_PROTO,
-- 
2.9.5