From: Thierry Du Tre
Date: Fri, 10 Mar 2017 15:41:35 +0100
> --- a/include/uapi/linux/if_vlan.h
> +++ b/include/uapi/linux/if_vlan.h
> @@ -20,6 +20,8 @@
> enum vlan_ioctl_cmds {
> ADD_VLAN_CMD,
> DEL_VLAN_CMD,
> + FLUSH_VLAN_INGRESS_PRIORITY_CMD,
> +
When sending packets via a vlan device we can manipulate the priority bits in
the vlan header (PCP) via a mapping based on tc class value.
Similarly, when packets are received via a vlan device, the PCP value can be
mapped onto a tc class value, which is available for iptables rules and tc