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      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_DEV_DETACHED	0x00000008
     12 
     13 /* try to find source address in routing lookups */
     14 #define FIB_RULE_FIND_SADDR	0x00010000
     15 
     16 struct fib_rule_hdr
     17 {
     18 	__u8		family;
     19 	__u8		dst_len;
     20 	__u8		src_len;
     21 	__u8		tos;
     22 
     23 	__u8		table;
     24 	__u8		res1;	/* reserved */
     25 	__u8		res2;	/* reserved */
     26 	__u8		action;
     27 
     28 	__u32		flags;
     29 };
     30 
     31 enum
     32 {
     33 	FRA_UNSPEC,
     34 	FRA_DST,	/* destination address */
     35 	FRA_SRC,	/* source address */
     36 	FRA_IFNAME,	/* interface name */
     37 	FRA_GOTO,	/* target to jump to (FR_ACT_GOTO) */
     38 	FRA_UNUSED2,
     39 	FRA_PRIORITY,	/* priority/preference */
     40 	FRA_UNUSED3,
     41 	FRA_UNUSED4,
     42 	FRA_UNUSED5,
     43 	FRA_FWMARK,	/* mark */
     44 	FRA_FLOW,	/* flow/class id */
     45 	FRA_UNUSED6,
     46 	FRA_UNUSED7,
     47 	FRA_UNUSED8,
     48 	FRA_TABLE,	/* Extended table id */
     49 	FRA_FWMASK,	/* mask for netfilter mark */
     50 	__FRA_MAX
     51 };
     52 
     53 #define FRA_MAX (__FRA_MAX - 1)
     54 
     55 enum
     56 {
     57 	FR_ACT_UNSPEC,
     58 	FR_ACT_TO_TBL,		/* Pass to fixed table */
     59 	FR_ACT_GOTO,		/* Jump to another rule */
     60 	FR_ACT_NOP,		/* No operation */
     61 	FR_ACT_RES3,
     62 	FR_ACT_RES4,
     63 	FR_ACT_BLACKHOLE,	/* Drop without notification */
     64 	FR_ACT_UNREACHABLE,	/* Drop with ENETUNREACH */
     65 	FR_ACT_PROHIBIT,	/* Drop with EACCES */
     66 	__FR_ACT_MAX,
     67 };
     68 
     69 #define FR_ACT_MAX (__FR_ACT_MAX - 1)
     70 
     71 #endif
     72