root/include/net/tc_act/tc_gact.h

INCLUDED FROM

DEFINITIONS

1. __is_tcf_gact_act
2. is_tcf_gact_ok
3. is_tcf_gact_shot
4. is_tcf_gact_trap
5. is_tcf_gact_goto_chain
6. tcf_gact_goto_chain_index

   1 /* SPDX-License-Identifier: GPL-2.0 */
   2 #ifndef __NET_TC_GACT_H
   3 #define __NET_TC_GACT_H
   4 
   5 #include <net/act_api.h>
   6 #include <linux/tc_act/tc_gact.h>
   7 
   8 struct tcf_gact {
   9         struct tc_action        common;
  10 #ifdef CONFIG_GACT_PROB
  11         u16                     tcfg_ptype;
  12         u16                     tcfg_pval;
  13         int                     tcfg_paction;
  14         atomic_t                packets;
  15 #endif
  16 };
  17 #define to_gact(a) ((struct tcf_gact *)a)
  18 
  19 static inline bool __is_tcf_gact_act(const struct tc_action *a, int act,
  20                                      bool is_ext)
  21 {
  22 #ifdef CONFIG_NET_CLS_ACT
  23         struct tcf_gact *gact;
  24 
  25         if (a->ops && a->ops->id != TCA_ID_GACT)
  26                 return false;
  27 
  28         gact = to_gact(a);
  29         if ((!is_ext && gact->tcf_action == act) ||
  30             (is_ext && TC_ACT_EXT_CMP(gact->tcf_action, act)))
  31                 return true;
  32 
  33 #endif
  34         return false;
  35 }
  36 
  37 static inline bool is_tcf_gact_ok(const struct tc_action *a)
  38 {
  39         return __is_tcf_gact_act(a, TC_ACT_OK, false);
  40 }
  41 
  42 static inline bool is_tcf_gact_shot(const struct tc_action *a)
  43 {
  44         return __is_tcf_gact_act(a, TC_ACT_SHOT, false);
  45 }
  46 
  47 static inline bool is_tcf_gact_trap(const struct tc_action *a)
  48 {
  49         return __is_tcf_gact_act(a, TC_ACT_TRAP, false);
  50 }
  51 
  52 static inline bool is_tcf_gact_goto_chain(const struct tc_action *a)
  53 {
  54         return __is_tcf_gact_act(a, TC_ACT_GOTO_CHAIN, true);
  55 }
  56 
  57 static inline u32 tcf_gact_goto_chain_index(const struct tc_action *a)
  58 {
  59         return READ_ONCE(a->tcfa_action) & TC_ACT_EXT_VAL_MASK;
  60 }
  61 
  62 #endif /* __NET_TC_GACT_H */