netdev - [RFC PATCH net-next 3/3] flow_offload: support CVLAN match

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Date:   Fri, 3 May 2019 16:08:13 +0100
From:   Edward Cree <ecree@...arflare.com>
To:     Jamal Hadi Salim <jhs@...atatu.com>, Jiri Pirko <jiri@...nulli.us>,
        "Pablo Neira Ayuso" <pablo@...filter.org>,
        David Miller <davem@...emloft.net>
CC:     netdev <netdev@...r.kernel.org>,
        Cong Wang <xiyou.wangcong@...il.com>,
        Andy Gospodarek <andy@...yhouse.net>,
        Anjali Singhai Jain <anjali.singhai@...el.com>,
        Jakub Kicinski <jakub.kicinski@...ronome.com>,
        Or Gerlitz <gerlitz.or@...il.com>
Subject: [RFC PATCH net-next 3/3] flow_offload: support CVLAN match

Plumb it through from the flow_dissector.

Signed-off-by: Edward Cree <ecree@...arflare.com>
---
 include/net/flow_offload.h | 2 ++
 net/core/flow_offload.c    | 7 +++++++
 2 files changed, 9 insertions(+)

diff --git a/include/net/flow_offload.h b/include/net/flow_offload.h
index 6f59cdaf6eb6..48847ee7aa3a 100644
--- a/include/net/flow_offload.h
+++ b/include/net/flow_offload.h
@@ -71,6 +71,8 @@ void flow_rule_match_eth_addrs(const struct flow_rule *rule,
 			       struct flow_match_eth_addrs *out);
 void flow_rule_match_vlan(const struct flow_rule *rule,
 			  struct flow_match_vlan *out);
+void flow_rule_match_cvlan(const struct flow_rule *rule,
+			   struct flow_match_vlan *out);
 void flow_rule_match_ipv4_addrs(const struct flow_rule *rule,
 				struct flow_match_ipv4_addrs *out);
 void flow_rule_match_ipv6_addrs(const struct flow_rule *rule,
diff --git a/net/core/flow_offload.c b/net/core/flow_offload.c
index c3a00eac4804..5ce7d47a960e 100644
--- a/net/core/flow_offload.c
+++ b/net/core/flow_offload.c
@@ -54,6 +54,13 @@ void flow_rule_match_vlan(const struct flow_rule *rule,
 }
 EXPORT_SYMBOL(flow_rule_match_vlan);
 
+void flow_rule_match_cvlan(const struct flow_rule *rule,
+			   struct flow_match_vlan *out)
+{
+	FLOW_DISSECTOR_MATCH(rule, FLOW_DISSECTOR_KEY_CVLAN, out);
+}
+EXPORT_SYMBOL(flow_rule_match_cvlan);
+
 void flow_rule_match_ipv4_addrs(const struct flow_rule *rule,
 				struct flow_match_ipv4_addrs *out)
 {