include/net/tc_act/tc_mirred.h

   1 /* SPDX-License-Identifier: GPL-2.0 */
   2 #ifndef __NET_TC_MIR_H
   3 #define __NET_TC_MIR_H
   4
   5 #include <net/act_api.h>
   6 #include <linux/tc_act/tc_mirred.h>
   7
   8 struct tcf_mirred {
   9         struct tc_action        common;
  10         int                     tcfm_eaction;
  11         bool                    tcfm_mac_header_xmit;
  12         struct net_device __rcu *tcfm_dev;
  13         netdevice_tracker       tcfm_dev_tracker;
  14         struct list_head        tcfm_list;
  15 };
  16 #define to_mirred(a) ((struct tcf_mirred *)a)
  17
  18 static inline bool is_tcf_mirred_egress_redirect(const struct tc_action *a)
  19 {
  20 #ifdef CONFIG_NET_CLS_ACT
  21         if (a->ops && a->ops->id == TCA_ID_MIRRED)
  22                 return to_mirred(a)->tcfm_eaction == TCA_EGRESS_REDIR;
  23 #endif
  24         return false;
  25 }
  26
  27 static inline bool is_tcf_mirred_egress_mirror(const struct tc_action *a)
  28 {
  29 #ifdef CONFIG_NET_CLS_ACT
  30         if (a->ops && a->ops->id == TCA_ID_MIRRED)
  31                 return to_mirred(a)->tcfm_eaction == TCA_EGRESS_MIRROR;
  32 #endif
  33         return false;
  34 }
  35
  36 static inline bool is_tcf_mirred_ingress_redirect(const struct tc_action *a)
  37 {
  38 #ifdef CONFIG_NET_CLS_ACT
  39         if (a->ops && a->ops->id == TCA_ID_MIRRED)
  40                 return to_mirred(a)->tcfm_eaction == TCA_INGRESS_REDIR;
  41 #endif
  42         return false;
  43 }
  44
  45 static inline bool is_tcf_mirred_ingress_mirror(const struct tc_action *a)
  46 {
  47 #ifdef CONFIG_NET_CLS_ACT
  48         if (a->ops && a->ops->id == TCA_ID_MIRRED)
  49                 return to_mirred(a)->tcfm_eaction == TCA_INGRESS_MIRROR;
  50 #endif
  51         return false;
  52 }
  53
  54 static inline struct net_device *tcf_mirred_dev(const struct tc_action *a)
  55 {
  56         return rtnl_dereference(to_mirred(a)->tcfm_dev);
  57 }
  58
  59 #endif /* __NET_TC_MIR_H */