LXR linux/include/net/tc_act/tc

   1#ifndef __NET_TC_GACT_H
   2#define __NET_TC_GACT_H
   3
   4#include <net/act_api.h>
   5#include <linux/tc_act/tc_gact.h>
   6
   7struct tcf_gact {
   8        struct tc_action        common;
   9#ifdef CONFIG_GACT_PROB
  10        u16                     tcfg_ptype;
  11        u16                     tcfg_pval;
  12        int                     tcfg_paction;
  13        atomic_t                packets;
  14#endif
  15};
  16#define to_gact(a) ((struct tcf_gact *)a)
  17
  18static inline bool __is_tcf_gact_act(const struct tc_action *a, int act,
  19                                     bool is_ext)
  20{
  21#ifdef CONFIG_NET_CLS_ACT
  22        struct tcf_gact *gact;
  23
  24        if (a->ops && a->ops->type != TCA_ACT_GACT)
  25                return false;
  26
  27        gact = to_gact(a);
  28        if ((!is_ext && gact->tcf_action == act) ||
  29            (is_ext && TC_ACT_EXT_CMP(gact->tcf_action, act)))
  30                return true;
  31
  32#endif
  33        return false;
  34}
  35
  36static inline bool is_tcf_gact_ok(const struct tc_action *a)
  37{
  38        return __is_tcf_gact_act(a, TC_ACT_OK, false);
  39}
  40
  41static inline bool is_tcf_gact_shot(const struct tc_action *a)
  42{
  43        return __is_tcf_gact_act(a, TC_ACT_SHOT, false);
  44}
  45
  46static inline bool is_tcf_gact_trap(const struct tc_action *a)
  47{
  48        return __is_tcf_gact_act(a, TC_ACT_TRAP, false);
  49}
  50
  51static inline bool is_tcf_gact_goto_chain(const struct tc_action *a)
  52{
  53        return __is_tcf_gact_act(a, TC_ACT_GOTO_CHAIN, true);
  54}
  55
  56static inline u32 tcf_gact_goto_chain_index(const struct tc_action *a)
  57{
  58        return READ_ONCE(a->tcfa_action) & TC_ACT_EXT_VAL_MASK;
  59}
  60
  61#endif /* __NET_TC_GACT_H */
  62