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Commit 57fd9678 authored by Rundong Ge's avatar Rundong Ge Committed by David S. Miller
Browse files

net: dsa: Implement flow_dissect callback for tag_dsa. 



RPS not work for DSA devices since the 'skb_get_hash'
will always get the invalid hash for dsa tagged packets.

"[PATCH] tag_mtk: add flow_dissect callback to the ops struct"
introduced the flow_dissect callback to get the right hash for
MTK tagged packet. Tag_dsa and tag_edsa  also need to implement
the callback.

Signed-off-by: default avatarRundong Ge <rdong.ge@gmail.com>
Reviewed-by: default avatarAndrew Lunn <andrew@lunn.ch>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 6e07902f

net/dsa/tag_dsa.c

+9 −0
Original line number Diff line number Diff line
@@ -146,8 +146,17 @@ static struct sk_buff *dsa_rcv(struct sk_buff *skb, struct net_device *dev, 
	return skb;

}



static int dsa_tag_flow_dissect(const struct sk_buff *skb, __be16 *proto,

				int *offset)

{

	*offset = 4;

	*proto = ((__be16 *)skb->data)[1];

	return 0;

}



const struct dsa_device_ops dsa_netdev_ops = {

	.xmit	= dsa_xmit,

	.rcv	= dsa_rcv,

	.flow_dissect   = dsa_tag_flow_dissect,

	.overhead = DSA_HLEN,

};

net/dsa/tag_edsa.c

+9 −0
Original line number Diff line number Diff line
@@ -165,8 +165,17 @@ static struct sk_buff *edsa_rcv(struct sk_buff *skb, struct net_device *dev, 
	return skb;

}



static int edsa_tag_flow_dissect(const struct sk_buff *skb, __be16 *proto,

				 int *offset)

{

	*offset = 8;

	*proto = ((__be16 *)skb->data)[3];

	return 0;

}



const struct dsa_device_ops edsa_netdev_ops = {

	.xmit	= edsa_xmit,

	.rcv	= edsa_rcv,

	.flow_dissect   = edsa_tag_flow_dissect,

	.overhead = EDSA_HLEN,

};