[][Add support for wifi vlan]

Add support for wifi vlan.
Wifi driver or kernel will add vlan_tci in skb. Hence we need to
fill vlag info to PPE entry in mtk_sw_nat_hook_tx().
If not, packets will not carry the vlan tag after hnat is bound.


Change-Id: I728618a05bfbdd60e54acc6c2c1448fd1daa5d91
Reviewed-on: https://gerrit.mediatek.inc/c/openwrt/feeds/mtk_openwrt_feeds/+/5175027
1 file changed