LXR linux/include/net/tc_act/tc

   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
   8struct 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
  19static 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
  37static 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
  42static 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
  47static 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
  52static 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
  57static 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 */
  63