include/uapi/linux/fib_rules.h

   1 /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
   2 #ifndef __LINUX_FIB_RULES_H
   3 #define __LINUX_FIB_RULES_H
   4
   5 #include <linux/types.h>
   6 #include <linux/rtnetlink.h>
   7
   8 /* rule is permanent, and cannot be deleted */
   9 #define FIB_RULE_PERMANENT      0x00000001
  10 #define FIB_RULE_INVERT         0x00000002
  11 #define FIB_RULE_UNRESOLVED     0x00000004
  12 #define FIB_RULE_IIF_DETACHED   0x00000008
  13 #define FIB_RULE_DEV_DETACHED   FIB_RULE_IIF_DETACHED
  14 #define FIB_RULE_OIF_DETACHED   0x00000010
  15
  16 /* try to find source address in routing lookups */
  17 #define FIB_RULE_FIND_SADDR     0x00010000
  18
  19 struct fib_rule_hdr {
  20         __u8            family;
  21         __u8            dst_len;
  22         __u8            src_len;
  23         __u8            tos;
  24
  25         __u8            table;
  26         __u8            res1;   /* reserved */
  27         __u8            res2;   /* reserved */
  28         __u8            action;
  29
  30         __u32           flags;
  31 };
  32
  33 struct fib_rule_uid_range {
  34         __u32           start;
  35         __u32           end;
  36 };
  37
  38 enum {
  39         FRA_UNSPEC,
  40         FRA_DST,        /* destination address */
  41         FRA_SRC,        /* source address */
  42         FRA_IIFNAME,    /* interface name */
  43 #define FRA_IFNAME      FRA_IIFNAME
  44         FRA_GOTO,       /* target to jump to (FR_ACT_GOTO) */
  45         FRA_UNUSED2,
  46         FRA_PRIORITY,   /* priority/preference */
  47         FRA_UNUSED3,
  48         FRA_UNUSED4,
  49         FRA_UNUSED5,
  50         FRA_FWMARK,     /* mark */
  51         FRA_FLOW,       /* flow/class id */
  52         FRA_TUN_ID,
  53         FRA_SUPPRESS_IFGROUP,
  54         FRA_SUPPRESS_PREFIXLEN,
  55         FRA_TABLE,      /* Extended table id */
  56         FRA_FWMASK,     /* mask for netfilter mark */
  57         FRA_OIFNAME,
  58         FRA_PAD,
  59         FRA_L3MDEV,     /* iif or oif is l3mdev goto its table */
  60         FRA_UID_RANGE,  /* UID range */
  61         __FRA_MAX
  62 };
  63
  64 #define FRA_MAX (__FRA_MAX - 1)
  65
  66 enum {
  67         FR_ACT_UNSPEC,
  68         FR_ACT_TO_TBL,          /* Pass to fixed table */
  69         FR_ACT_GOTO,            /* Jump to another rule */
  70         FR_ACT_NOP,             /* No operation */
  71         FR_ACT_RES3,
  72         FR_ACT_RES4,
  73         FR_ACT_BLACKHOLE,       /* Drop without notification */
  74         FR_ACT_UNREACHABLE,     /* Drop with ENETUNREACH */
  75         FR_ACT_PROHIBIT,        /* Drop with EACCES */
  76         __FR_ACT_MAX,
  77 };
  78
  79 #define FR_ACT_MAX (__FR_ACT_MAX - 1)
  80
  81 #endif