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net: dsa: add support for the SMSC-LAN9303 tagging format

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To define the outgoing port and to discover the incoming port a regular
VLAN tag is used by the LAN9303. But its VID meaning is 'special'.

This tag handler/filter depends on some hardware features which must be
enabled in the device to provide and make use of this special VLAN tag
to control the destination and the source of an ethernet packet.

Signed-off-by: Juergen Borleis <jbe@pengutronix.de>
Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Juergen Beisert
2017-04-18 10:48:24 +02:00
committed by David S. Miller
parent 8dc7d11f1d
commit e8fe177a62
6 changed files with 153 additions and 0 deletions
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3
net/dsa/dsa_priv.h
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@@ -93,4 +93,7 @@ extern const struct dsa_device_ops qca_netdev_ops;
/* tag_mtk.c */
extern const struct dsa_device_ops mtk_netdev_ops;
/* tag_lan9303.c */
extern const struct dsa_device_ops lan9303_netdev_ops;
#endif