Re: [leo@yuriev.ru: [PATCH] ethernet-bridge: update skb->priority in case forwarded frame has VLAN-header]

[Patrick McHardy <kaber@xxxxxxxxx>]

On Mon, 7 Mar 2005, jamal wrote:

> This is wrong. IEEE priorities are opposite of IETF priorities (as used by
> skb->prio).
> Unless you install a prio qdisc and rewrite the priomap, you are screwed.
> So you should do opposite mapping, i.e something along the lines of
> VLAN_TCI priority (0..7) to skb->priority (15..8) i,e
>
> skb->priority = 15 - vlan_TCI;

The priority should still start at 0. You don't want to create a 16-band
queue just to have 8 bands unused.

Regards
Patrick