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net: dsa: tag_brcm: Prepare for supporting prepended tag
authorFlorian Fainelli <f.fainelli@gmail.com>
Fri, 10 Nov 2017 23:22:53 +0000 (15:22 -0800)
committerDavid S. Miller <davem@davemloft.net>
Mon, 13 Nov 2017 01:34:54 +0000 (10:34 +0900)
commitf7c39e3d1e094af1c3e0676b76c00d8c1f8e7774
tree1babdd4f4841a2a1029a9455838cf2fe9b7c7987
parent5ed4e3eb021762fee584ce65620bc822131c7aa0
net: dsa: tag_brcm: Prepare for supporting prepended tag

In preparation for supporting the same Broadcom tag format, but instead
of inserted between the MAC SA and EtherType, prepended to the Ethernet
frame, restructure the code a little bit to make that possible and take
an offset parameter.

Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>
net/dsa/tag_brcm.c