include/linux/fib_rules.h

   1 #ifndef __LINUX_FIB_RULES_H
   2 #define __LINUX_FIB_RULES_H
   3
   4 #include <linux/types.h>
   5 #include <linux/rtnetlink.h>
   6
   7 /* rule is permanent, and cannot be deleted */
   8 #define FIB_RULE_PERMANENT      0x00000001
   9 #define FIB_RULE_INVERT         0x00000002
  10 #define FIB_RULE_UNRESOLVED     0x00000004
  11 #define FIB_RULE_IIF_DETACHED   0x00000008
  12 #define FIB_RULE_DEV_DETACHED   FIB_RULE_IIF_DETACHED
  13 #define FIB_RULE_OIF_DETACHED   0x00000010
  14
  15 /* try to find source address in routing lookups */
  16 #define FIB_RULE_FIND_SADDR     0x00010000
  17
  18 struct fib_rule_hdr {
  19         __u8            family;
  20         __u8            dst_len;
  21         __u8            src_len;
  22         __u8            tos;
  23
  24         __u8            table;
  25         __u8            res1;   /* reserved */
  26         __u8            res2;   /* reserved */
  27         __u8            action;
  28
  29         __u32           flags;
  30 };
  31
  32 enum {
  33         FRA_UNSPEC,
  34         FRA_DST,        /* destination address */
  35         FRA_SRC,        /* source address */
  36         FRA_IIFNAME,    /* interface name */
  37 #define FRA_IFNAME      FRA_IIFNAME
  38         FRA_GOTO,       /* target to jump to (FR_ACT_GOTO) */
  39         FRA_UNUSED2,
  40         FRA_PRIORITY,   /* priority/preference */
  41         FRA_UNUSED3,
  42         FRA_UNUSED4,
  43         FRA_UNUSED5,
  44         FRA_FWMARK,     /* mark */
  45         FRA_FLOW,       /* flow/class id */
  46         FRA_UNUSED6,
  47         FRA_UNUSED7,
  48         FRA_UNUSED8,
  49         FRA_TABLE,      /* Extended table id */
  50         FRA_FWMASK,     /* mask for netfilter mark */
  51         FRA_OIFNAME,
  52         __FRA_MAX
  53 };
  54
  55 #define FRA_MAX (__FRA_MAX - 1)
  56
  57 enum {
  58         FR_ACT_UNSPEC,
  59         FR_ACT_TO_TBL,          /* Pass to fixed table */
  60         FR_ACT_GOTO,            /* Jump to another rule */
  61         FR_ACT_NOP,             /* No operation */
  62         FR_ACT_RES3,
  63         FR_ACT_RES4,
  64         FR_ACT_BLACKHOLE,       /* Drop without notification */
  65         FR_ACT_UNREACHABLE,     /* Drop with ENETUNREACH */
  66         FR_ACT_PROHIBIT,        /* Drop with EACCES */
  67         __FR_ACT_MAX,
  68 };
  69
  70 #define FR_ACT_MAX (__FR_ACT_MAX - 1)
  71
  72 #endif