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 82