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net_sched: remove list_head from tc_action

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After commit 90b73b77d0, list_head is no longer needed.
Now we just need to convert the list iteration to array
iteration for drivers.

Fixes: 90b73b77d0 ("net: sched: change action API to use array of pointers to actions")
Cc: Jiri Pirko <jiri@mellanox.com>
Cc: Vlad Buslov <vladbu@mellanox.com>
Signed-off-by: Cong Wang <xiyou.wangcong@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Cong Wang
2018-08-19 12:22:09 -07:00
committed by David S. Miller
parent 7d485c451f
commit 244cd96adb
14 changed files with 43 additions and 60 deletions
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1
include/net/act_api.h
View File

@ -23,7 +23,6 @@ struct tc_action {
const struct tc_action_ops *ops;
__u32 type; /* for backward compat(TCA_OLD_COMPAT) */
__u32 order;
struct list_head list;
struct tcf_idrinfo *idrinfo;
u32 tcfa_index;

25
include/net/pkt_cls.h
View File

@ -298,19 +298,13 @@ static inline void tcf_exts_put_net(struct tcf_exts *exts)
#endif
}
static inline void tcf_exts_to_list(const struct tcf_exts *exts,
struct list_head *actions)
{
#ifdef CONFIG_NET_CLS_ACT
int i;
for (i = 0; i < exts->nr_actions; i++) {
struct tc_action *a = exts->actions[i];
list_add_tail(&a->list, actions);
}
#define tcf_exts_for_each_action(i, a, exts) \
for (i = 0; i < TCA_ACT_MAX_PRIO && ((a) = (exts)->actions[i]); i++)
#else
#define tcf_exts_for_each_action(i, a, exts) \
for (; 0; )
#endif
}
static inline void
tcf_exts_stats_update(const struct tcf_exts *exts,
@ -361,6 +355,15 @@ static inline bool tcf_exts_has_one_action(struct tcf_exts *exts)
#endif
}
static inline struct tc_action *tcf_exts_first_action(struct tcf_exts *exts)
{
#ifdef CONFIG_NET_CLS_ACT
return exts->actions[0];
#else
return NULL;
#endif
}
/**
* tcf_exts_exec - execute tc filter extensions
* @skb: socket buffer