netdev - [PATCH v2 net-next 14/16] net: dsa: tag_qca: use the generic flow dissector procedure

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Date:   Sat, 26 Sep 2020 20:31:06 +0300
From:   Vladimir Oltean <vladimir.oltean@....com>
To:     netdev@...r.kernel.org, davem@...emloft.net
Cc:     andrew@...n.ch, f.fainelli@...il.com, vivien.didelot@...il.com,
        kuba@...nel.org
Subject: [PATCH v2 net-next 14/16] net: dsa: tag_qca: use the generic flow dissector procedure

Refactor the .flow_dissect procedure to call the common helper instead
of open-coding the header displacement.

Cc: John Crispin <john@...ozen.org>
Cc: Alexander Lobakin <alobakin@...me>
Signed-off-by: Vladimir Oltean <vladimir.oltean@....com>
---
 net/dsa/tag_qca.c | 9 +--------
 1 file changed, 1 insertion(+), 8 deletions(-)

diff --git a/net/dsa/tag_qca.c b/net/dsa/tag_qca.c
index a75c6b20c215..bb929b8092cb 100644
--- a/net/dsa/tag_qca.c
+++ b/net/dsa/tag_qca.c
@@ -89,19 +89,12 @@ static struct sk_buff *qca_tag_rcv(struct sk_buff *skb, struct net_device *dev,
 	return skb;
 }
 
-static void qca_tag_flow_dissect(const struct sk_buff *skb, __be16 *proto,
-				 int *offset)
-{
-	*offset = QCA_HDR_LEN;
-	*proto = ((__be16 *)skb->data)[0];
-}
-
 static const struct dsa_device_ops qca_netdev_ops = {
 	.name	= "qca",
 	.proto	= DSA_TAG_PROTO_QCA,
 	.xmit	= qca_tag_xmit,
 	.rcv	= qca_tag_rcv,
-	.flow_dissect = qca_tag_flow_dissect,
+	.flow_dissect = dsa_tag_generic_flow_dissect,
 	.overhead = QCA_HDR_LEN,
 };
 
-- 
2.25.1