[Cake] Putting cake under dsmark on ingress ifb

[Jonathan Morton]

> On 28 Feb, 2017, at 16:11, Andy Furniss <adf.lists at gmail.com> wrote:
> 
> tc filter add dev ppp0 parent ffff: prio 1 protocol ip u32 match ip protocol 1 0xff action xt -j DSCP --set-dscp-class ef action mirred egress redirect dev ifb0

Okay, that’s potentially useful information - that a qdisc filter action can set DSCPs (albeit in this case by circuitous means).  An action module which does that more directly would undoubtedly be easier to use and more efficient, but one doesn’t seem to exist yet.

 - Jonathan Morton