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 /* fib_rules families. values up to 127 are reserved for real address
  19  * families, values above 128 may be used arbitrarily.
  20  */
  21 #define FIB_RULES_IPV4          AF_INET
  22 #define FIB_RULES_IPV6          AF_INET6
  23 #define FIB_RULES_DECNET        AF_DECnet
  24 #define FIB_RULES_IPMR          128
  25
  26 struct fib_rule_hdr {
  27         __u8            family;
  28         __u8            dst_len;
  29         __u8            src_len;
  30         __u8            tos;
  31
  32         __u8            table;
  33         __u8            res1;   /* reserved */
  34         __u8            res2;   /* reserved */
  35         __u8            action;
  36
  37         __u32           flags;
  38 };
  39
  40 enum {
  41         FRA_UNSPEC,
  42         FRA_DST,        /* destination address */
  43         FRA_SRC,        /* source address */
  44         FRA_IIFNAME,    /* interface name */
  45 #define FRA_IFNAME      FRA_IIFNAME
  46         FRA_GOTO,       /* target to jump to (FR_ACT_GOTO) */
  47         FRA_UNUSED2,
  48         FRA_PRIORITY,   /* priority/preference */
  49         FRA_UNUSED3,
  50         FRA_UNUSED4,
  51         FRA_UNUSED5,
  52         FRA_FWMARK,     /* mark */
  53         FRA_FLOW,       /* flow/class id */
  54         FRA_UNUSED6,
  55         FRA_UNUSED7,
  56         FRA_UNUSED8,
  57         FRA_TABLE,      /* Extended table id */
  58         FRA_FWMASK,     /* mask for netfilter mark */
  59         FRA_OIFNAME,
  60         __FRA_MAX
  61 };
  62
  63 #define FRA_MAX (__FRA_MAX - 1)
  64
  65 enum {
  66         FR_ACT_UNSPEC,
  67         FR_ACT_TO_TBL,          /* Pass to fixed table */
  68         FR_ACT_GOTO,            /* Jump to another rule */
  69         FR_ACT_NOP,             /* No operation */
  70         FR_ACT_RES3,
  71         FR_ACT_RES4,
  72         FR_ACT_BLACKHOLE,       /* Drop without notification */
  73         FR_ACT_UNREACHABLE,     /* Drop with ENETUNREACH */
  74         FR_ACT_PROHIBIT,        /* Drop with EACCES */
  75         __FR_ACT_MAX,
  76 };
  77
  78 #define FR_ACT_MAX (__FR_ACT_MAX - 1)
  79
  80 #endif