net: rcu-ify tcf_proto
authorJohn Fastabend <john.fastabend@gmail.com>
Sat, 13 Sep 2014 03:05:27 +0000 (20:05 -0700)
committerDavid S. Miller <davem@davemloft.net>
Sat, 13 Sep 2014 16:29:59 +0000 (12:29 -0400)
commit80a735f7b952b8bd7028cfffba2105a38c1a9f0c
treec0aca67607e7ce560a4a2cebef5fb6d55adf4112
parentb26b0d1e8b1de83bbce81c8d119260ac91031ebd
net: rcu-ify tcf_proto

rcu'ify tcf_proto this allows calling tc_classify() without holding
any locks. Updaters are protected by RTNL.

This patch prepares the core net_sched infrastracture for running
the classifier/action chains without holding the qdisc lock however
it does nothing to ensure cls_xxx and act_xxx types also work without
locking. Additional patches are required to address the fall out.

Signed-off-by: John Fastabend <john.r.fastabend@intel.com>
Acked-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
17 files changed:
include/net/sch_generic.h
net/sched/cls_api.c
net/sched/sch_api.c
net/sched/sch_atm.c
net/sched/sch_cbq.c
net/sched/sch_choke.c
net/sched/sch_drr.c
net/sched/sch_dsmark.c
net/sched/sch_fq_codel.c
net/sched/sch_hfsc.c
net/sched/sch_htb.c
net/sched/sch_ingress.c
net/sched/sch_multiq.c
net/sched/sch_prio.c
net/sched/sch_qfq.c
net/sched/sch_sfb.c
net/sched/sch_sfq.c