First proposed by jmcneill in 2017 and modified by me.
How to use:
- Set callback function:
ether_set_vlan_cb(struct ethercom *, ether_vlancb_t)
- Callback. This function is called when a vlan is attached/detached to the
parent interface:
int (*ether_vlancb_t)(struct ethercom *ec, uint16_t vlanid, bool set);
- ifconfig(8)
ifconfig ixg0 [-]vlan-hwfilter
Note that ETHERCAP_VLAN_HWFILTER is set by default on ixg(4) because
the PF driver usually enable "all block" filter by default.
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