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net-next: dsa: add Mediatek tag RX/TX handler

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Add the support for the 4-bytes tag for DSA port distinguishing inserted
allowing receiving and transmitting the packet via the particular port.
The tag is being added after the source MAC address in the ethernet
header.

Signed-off-by: Sean Wang <sean.wang@mediatek.com>
Signed-off-by: Landen Chao <Landen.Chao@mediatek.com>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Sean Wang
2017-04-07 16:45:06 +08:00
committed by David S. Miller
parent c898693a5a
commit 5cd8985a19
6 changed files with 128 additions and 0 deletions
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include/net/dsa.h
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@ -32,6 +32,7 @@ enum dsa_tag_protocol {
DSA_TAG_PROTO_EDSA,
DSA_TAG_PROTO_BRCM,
DSA_TAG_PROTO_QCA,
DSA_TAG_PROTO_MTK,
DSA_TAG_LAST, /* MUST BE LAST */
};