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net/sched: Macro instead of CONFIG_NET_CLS_ACT ifdef

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Introduce the macros tc_no_actions and tc_for_each_action to make code
clearer.
Extracted struct tc_action out of the ifdef to make calls to
is_tcf_gact_shot() and similar functions valid, even when it is a nop.

Acked-by: Jiri Pirko <jiri@mellanox.com>
Acked-by: John Fastabend <john.r.fastabend@intel.com>
Suggested-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: Amir Vadai <amir@vadai.me>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Amir Vadai 2016-03-08 12:42:31 +02:00 committed by David S. Miller
parent 8de2d793da
commit 00175aec94
2 changed files with 18 additions and 7 deletions
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21
include/net/act_api.h
View file

@ -78,11 +78,6 @@ static inline void tcf_lastuse_update(struct tcf_t *tm)
tm->lastuse = now;
}
#ifdef CONFIG_NET_CLS_ACT
#define ACT_P_CREATED 1
#define ACT_P_DELETED 1
struct tc_action {
void *priv;
const struct tc_action_ops *ops;
@ -92,6 +87,11 @@ struct tc_action {
struct tcf_hashinfo *hinfo;
};
#ifdef CONFIG_NET_CLS_ACT
#define ACT_P_CREATED 1
#define ACT_P_DELETED 1
struct tc_action_ops {
struct list_head head;
char kind[IFNAMSIZ];
@ -171,5 +171,16 @@ int tcf_action_dump(struct sk_buff *skb, struct list_head *, int, int);
int tcf_action_dump_old(struct sk_buff *skb, struct tc_action *a, int, int);
int tcf_action_dump_1(struct sk_buff *skb, struct tc_action *a, int, int);
int tcf_action_copy_stats(struct sk_buff *, struct tc_action *, int);
#define tc_no_actions(_exts) \
(list_empty(&(_exts)->actions))
#define tc_for_each_action(_a, _exts) \
list_for_each_entry(a, &(_exts)->actions, list)
#else /* CONFIG_NET_CLS_ACT */
#define tc_no_actions(_exts) true
#define tc_for_each_action(_a, _exts) while (0)
#endif /* CONFIG_NET_CLS_ACT */
#endif

4
include/net/tc_act/tc_gact.h
View file

@ -16,9 +16,9 @@ struct tcf_gact {
#define to_gact(a) \
container_of(a->priv, struct tcf_gact, common)
#ifdef CONFIG_NET_CLS_ACT
static inline bool is_tcf_gact_shot(const struct tc_action *a)
{
#ifdef CONFIG_NET_CLS_ACT
struct tcf_gact *gact;
if (a->ops && a->ops->type != TCA_ACT_GACT)
@ -28,7 +28,7 @@ static inline bool is_tcf_gact_shot(const struct tc_action *a)
if (gact->tcf_action == TC_ACT_SHOT)
return true;
#endif
return false;
}
#endif
#endif /* __NET_TC_GACT_H */