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net: sched: add couple of goto_chain helpers

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Add helpers to find out if a gact instance is goto_chain termination
action and to get chain index.

Signed-off-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Jiri Pirko 2017-08-23 10:08:19 +02:00 committed by David S. Miller
parent 45b62742df
commit e457d86ada
1 changed files with 16 additions and 4 deletions
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20
include/net/tc_act/tc_gact.h
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@ -15,7 +15,8 @@ struct tcf_gact {
}; };
#define to_gact(a) ((struct tcf_gact *)a) #define to_gact(a) ((struct tcf_gact *)a)
static inline bool __is_tcf_gact_act(const struct tc_action *a, int act) static inline bool __is_tcf_gact_act(const struct tc_action *a, int act,
bool is_ext)
{ {
#ifdef CONFIG_NET_CLS_ACT #ifdef CONFIG_NET_CLS_ACT
struct tcf_gact *gact; struct tcf_gact *gact;
@ -24,7 +25,8 @@ static inline bool __is_tcf_gact_act(const struct tc_action *a, int act)
return false; return false;
gact = to_gact(a); gact = to_gact(a);
if (gact->tcf_action == act) if ((!is_ext && gact->tcf_action == act) ||
(is_ext && TC_ACT_EXT_CMP(gact->tcf_action, act)))
return true; return true;
#endif #endif
@ -33,12 +35,22 @@ static inline bool __is_tcf_gact_act(const struct tc_action *a, int act)
static inline bool is_tcf_gact_shot(const struct tc_action *a) static inline bool is_tcf_gact_shot(const struct tc_action *a)
{ {
return __is_tcf_gact_act(a, TC_ACT_SHOT); return __is_tcf_gact_act(a, TC_ACT_SHOT, false);
} }
static inline bool is_tcf_gact_trap(const struct tc_action *a) static inline bool is_tcf_gact_trap(const struct tc_action *a)
{ {
return __is_tcf_gact_act(a, TC_ACT_TRAP); return __is_tcf_gact_act(a, TC_ACT_TRAP, false);
}
static inline bool is_tcf_gact_goto_chain(const struct tc_action *a)
{
return __is_tcf_gact_act(a, TC_ACT_GOTO_CHAIN, true);
}
static inline u32 tcf_gact_goto_chain_index(const struct tc_action *a)
{
return a->goto_chain->index;
} }
#endif /* __NET_TC_GACT_H */ #endif /* __NET_TC_GACT_H */