include/net/tc_act/tc_pedit.h

   1 /* SPDX-License-Identifier: GPL-2.0 */
   2 #ifndef __NET_TC_PED_H
   3 #define __NET_TC_PED_H
   4
   5 #include <net/act_api.h>
   6 #include <linux/tc_act/tc_pedit.h>
   7
   8 struct tcf_pedit_key_ex {
   9         enum pedit_header_type htype;
  10         enum pedit_cmd cmd;
  11 };
  12
  13 struct tcf_pedit {
  14         struct tc_action        common;
  15         unsigned char           tcfp_nkeys;
  16         unsigned char           tcfp_flags;
  17         struct tc_pedit_key     *tcfp_keys;
  18         struct tcf_pedit_key_ex *tcfp_keys_ex;
  19 };
  20
  21 #define to_pedit(a) ((struct tcf_pedit *)a)
  22
  23 static inline bool is_tcf_pedit(const struct tc_action *a)
  24 {
  25 #ifdef CONFIG_NET_CLS_ACT
  26         if (a->ops && a->ops->type == TCA_ACT_PEDIT)
  27                 return true;
  28 #endif
  29         return false;
  30 }
  31
  32 static inline int tcf_pedit_nkeys(const struct tc_action *a)
  33 {
  34         return to_pedit(a)->tcfp_nkeys;
  35 }
  36
  37 static inline u32 tcf_pedit_htype(const struct tc_action *a, int index)
  38 {
  39         if (to_pedit(a)->tcfp_keys_ex)
  40                 return to_pedit(a)->tcfp_keys_ex[index].htype;
  41
  42         return TCA_PEDIT_KEY_EX_HDR_TYPE_NETWORK;
  43 }
  44
  45 static inline u32 tcf_pedit_cmd(const struct tc_action *a, int index)
  46 {
  47         if (to_pedit(a)->tcfp_keys_ex)
  48                 return to_pedit(a)->tcfp_keys_ex[index].cmd;
  49
  50         return __PEDIT_CMD_MAX;
  51 }
  52
  53 static inline u32 tcf_pedit_mask(const struct tc_action *a, int index)
  54 {
  55         return to_pedit(a)->tcfp_keys[index].mask;
  56 }
  57
  58 static inline u32 tcf_pedit_val(const struct tc_action *a, int index)
  59 {
  60         return to_pedit(a)->tcfp_keys[index].val;
  61 }
  62
  63 static inline u32 tcf_pedit_offset(const struct tc_action *a, int index)
  64 {
  65         return to_pedit(a)->tcfp_keys[index].off;
  66 }
  67 #endif /* __NET_TC_PED_H */