include/uapi/linux/netfilter/nfnetlink_hook.h

   1 /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
   2 #ifndef _NFNL_HOOK_H_
   3 #define _NFNL_HOOK_H_
   4
   5 enum nfnl_hook_msg_types {
   6         NFNL_MSG_HOOK_GET,
   7         NFNL_MSG_HOOK_MAX,
   8 };
   9
  10 /**
  11  * enum nfnl_hook_attributes - netfilter hook netlink attributes
  12  *
  13  * @NFNLA_HOOK_HOOKNUM: netfilter hook number (NLA_U32)
  14  * @NFNLA_HOOK_PRIORITY: netfilter hook priority (NLA_U32)
  15  * @NFNLA_HOOK_DEV: netdevice name (NLA_STRING)
  16  * @NFNLA_HOOK_FUNCTION_NAME: hook function name (NLA_STRING)
  17  * @NFNLA_HOOK_MODULE_NAME: kernel module that registered this hook (NLA_STRING)
  18  * @NFNLA_HOOK_CHAIN_INFO: basechain hook metadata (NLA_NESTED)
  19  */
  20 enum nfnl_hook_attributes {
  21         NFNLA_HOOK_UNSPEC,
  22         NFNLA_HOOK_HOOKNUM,
  23         NFNLA_HOOK_PRIORITY,
  24         NFNLA_HOOK_DEV,
  25         NFNLA_HOOK_FUNCTION_NAME,
  26         NFNLA_HOOK_MODULE_NAME,
  27         NFNLA_HOOK_CHAIN_INFO,
  28         __NFNLA_HOOK_MAX
  29 };
  30 #define NFNLA_HOOK_MAX          (__NFNLA_HOOK_MAX - 1)
  31
  32 /**
  33  * enum nfnl_hook_chain_info_attributes - chain description
  34  *
  35  * NFNLA_HOOK_INFO_DESC: nft chain and table name (enum nft_table_attributes) (NLA_NESTED)
  36  * NFNLA_HOOK_INFO_TYPE: chain type (enum nfnl_hook_chaintype) (NLA_U32)
  37  */
  38 enum nfnl_hook_chain_info_attributes {
  39         NFNLA_HOOK_INFO_UNSPEC,
  40         NFNLA_HOOK_INFO_DESC,
  41         NFNLA_HOOK_INFO_TYPE,
  42         __NFNLA_HOOK_INFO_MAX,
  43 };
  44 #define NFNLA_HOOK_INFO_MAX (__NFNLA_HOOK_INFO_MAX - 1)
  45
  46 enum nfnl_hook_chain_desc_attributes {
  47         NFNLA_CHAIN_UNSPEC,
  48         NFNLA_CHAIN_TABLE,
  49         NFNLA_CHAIN_FAMILY,
  50         NFNLA_CHAIN_NAME,
  51         __NFNLA_CHAIN_MAX,
  52 };
  53 #define NFNLA_CHAIN_MAX (__NFNLA_CHAIN_MAX - 1)
  54
  55 /**
  56  * enum nfnl_hook_chaintype - chain type
  57  *
  58  * @NFNL_HOOK_TYPE_NFTABLES nf_tables base chain
  59  */
  60 enum nfnl_hook_chaintype {
  61         NFNL_HOOK_TYPE_NFTABLES = 0x1,
  62 };
  63
  64 #endif /* _NFNL_HOOK_H */