Hi list,
I've got a question about using rrd with multiple flow filters.
Background: I'm using hfsc for traffic shaping. The leaf hfsc classes have
a drr qdisc attached, with drr classes. The drr qdisc has a filter that maps
traffic to the correct drr class. Pretty much a basic setup for drr. This
works like a charm.
However, I would like to direct traffic to the set of drr class from two
different flow filters.
in pseudo-code:
if (condition)
use flow filter type a
else
use flow filter type b
The condition would ideally be tested with the u32 or fwmark filter.
I think it is not possible to chain filters like this, am I right? Is there
another way I could achieve this? Any ideas?
Regards,
roel
Additional info:
The flow filters I would like to use are:
flow map nfct-src
and
flow hash keys src,dst,proto,proto-src,proto-dst
Concise example of current (working) setup with single flow filter:
tc qdisc add dev $dev stab root handle 1: hfsc default 2
tc class add dev $dev parent 1: classid 1:1 hfsc \
sc rate 100kbit \
ul rate 100kbit
tc class add dev $dev parent 1:1 classid 1:2 hfsc \
sc m1 100kbit d 50 ms m2 ${uplink}kbit \
ul rate 100kbit
sc add dev $dev parent 1:2 handle 2: drr
for i in `seq 1 256`; do
tc class add dev $dev parent 2: classid 2:$(printf "%x" $i) drr
tc qdisc add dev $dev parent 2:$(printf "%x" $i) pfifo limit 16
done
tc filter add dev $dev parent 2:protocol all prio 10 handle 1 \
flow hash keys nfct-src divisor 256 baseclass 2:1
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