net: dsa: create a helper that strips EtherType DSA headers on RX

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All header taggers open-code a memmove that is fairly not all that
obvious, and we can hide the details behind a helper function, since the
only thing specific to the driver is the length of the header tag.

Signed-off-by: Vladimir Oltean <vladimir.oltean@nxp.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>

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Vladimir Oltean 2021-08-10 16:13:53 +03:00 • committed by David S. Miller

parent 1a8e628c8a

commit f1dacd7aea

8 changed files with 37 additions and 28 deletions

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26

net/dsa/dsa_priv.h

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10

net/dsa/tag_brcm.c

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8

net/dsa/tag_dsa.c

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5

net/dsa/tag_lan9303.c

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4

net/dsa/tag_mtk.c

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3

net/dsa/tag_qca.c

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net/dsa/tag_rtl4_a.c

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4

net/dsa/tag_sja1105.c

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