net_sched: act: hide struct tcf_common from API

Now we can totally hide it from modules. tcf_hash_*() API's
will operate on struct tc_action, modules don't need to care about
the details.

Cc: Jamal Hadi Salim <jhs@mojatatu.com>
Cc: David S. Miller <davem@davemloft.net>
Signed-off-by: Cong Wang <xiyou.wangcong@gmail.com>
Signed-off-by: Jamal Hadi Salim <jhs@mojatatu.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --cc include/net/act_api.h
Simple merge

diff --cc include/net/tc_act/tc_csum.h
Simple merge

diff --cc include/net/tc_act/tc_defact.h
Simple merge

diff --cc include/net/tc_act/tc_gact.h
Simple merge

diff --cc include/net/tc_act/tc_ipt.h
Simple merge

diff --cc include/net/tc_act/tc_mirred.h
Simple merge

diff --cc include/net/tc_act/tc_nat.h
Simple merge

diff --cc include/net/tc_act/tc_pedit.h
Simple merge

diff --cc include/net/tc_act/tc_skbedit.h
Simple merge

diff --cc net/sched/act_api.c
Simple merge

diff --cc net/sched/act_csum.c
Simple merge

diff --cc net/sched/act_gact.c
Simple merge

diff --cc net/sched/act_ipt.c
Simple merge

diff --cc net/sched/act_mirred.c
Simple merge

diff --cc net/sched/act_nat.c
Simple merge

diff --cc net/sched/act_pedit.c
Simple merge

diff --cc net/sched/act_police.c
Simple merge

diff --cc net/sched/act_simple.c
Simple merge

diff --cc net/sched/act_skbedit.c
Simple merge