net: sched: introduce tcf_block_q and tcf_block_dev helpers

These helpers allows to get a q and netdev pointers
for given block easily.

Signed-off-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Jiri Pirko 2017-10-13 14:00:59 +02:00 • committed by David S. Miller
commit 44186460c8