[PATCH RFC net-next 08/19] net: dsa: tag_gswip: add .flow_dissect() callback

[Alexander Lobakin]

In case user would like to configure RPS on such systems.
Misc: fix identation of gswip_netdev_ops structure.

Signed-off-by: Alexander Lobakin <alobakin@xxxxxxxx>
---
 net/dsa/tag_gswip.c | 18 +++++++++++++-----
 1 file changed, 13 insertions(+), 5 deletions(-)

diff --git a/net/dsa/tag_gswip.c b/net/dsa/tag_gswip.c
index de920f6aac5b..d37289540ef3 100644
--- a/net/dsa/tag_gswip.c
+++ b/net/dsa/tag_gswip.c
@@ -97,12 +97,20 @@ static struct sk_buff *gswip_tag_rcv(struct sk_buff *skb,
 	return skb;
 }
 
+static void gswip_tag_flow_dissect(const struct sk_buff *skb, __be16 *proto,
+				   int *offset)
+{
+	*offset = GSWIP_RX_HEADER_LEN;
+	*proto = *(__be16 *)(skb->data + 6);
+}
+
 static const struct dsa_device_ops gswip_netdev_ops = {
-	.name = "gswip",
-	.proto	= DSA_TAG_PROTO_GSWIP,
-	.xmit = gswip_tag_xmit,
-	.rcv = gswip_tag_rcv,
-	.overhead = GSWIP_RX_HEADER_LEN,
+	.name		= "gswip",
+	.proto		= DSA_TAG_PROTO_GSWIP,
+	.xmit		= gswip_tag_xmit,
+	.rcv		= gswip_tag_rcv,
+	.flow_dissect	= gswip_tag_flow_dissect,
+	.overhead	= GSWIP_RX_HEADER_LEN,
 };
 
 MODULE_LICENSE("GPL");
-- 
2.24.1