common/mpls_struct.h

   1
   2 /*
   3  *  Copyright (C) James R. Leu 2002
   4  *  jleu@mindspring.com
   5  *
   6  *  This software is covered under the LGPL, for more
   7  *  info check out http://www.gnu.org/copyleft/lgpl.html
   8  */
   9
  10 #ifndef _MPLS_STRUCT_H_
  11 #define _MPLS_STRUCT_H_
  12
  13 #define MPLS_MAX_IF_NAME 16
  14 #define MPLS_MAX_LABELSTACK 4
  15
  16 #include "mpls_handle_type.h"
  17 #include "mpls_bitfield.h"
  18
  19 typedef enum {
  20   MPLS_SUCCESS = 1,
  21   MPLS_FAILURE,
  22   MPLS_FATAL,
  23   MPLS_CLOSED,
  24   MPLS_NON_BLOCKING,
  25   MPLS_END_OF_LIST,
  26   MPLS_NO_ROUTE,
  27 } mpls_return_enum;
  28
  29 typedef enum {
  30   MPLS_UPDATE_ADD,
  31   MPLS_UPDATE_DEL,
  32   MPLS_UPDATE_MODIFY
  33 } mpls_update_enum;
  34
  35 typedef enum {
  36   MPLS_OPER_UP = 1,
  37   MPLS_OPER_DOWN,
  38 } mpls_oper_state_enum;
  39
  40 typedef enum {
  41   MPLS_TIMER_ONESHOT = 1,
  42   MPLS_TIMER_REOCCURRING,
  43 } mpls_timer_type_enum;
  44
  45 typedef enum {
  46   MPLS_UNIT_MICRO = 1,
  47   MPLS_UNIT_SEC,
  48   MPLS_UNIT_MIN,
  49   MPLS_UNIT_HOUR
  50 } mpls_time_unit_enum;
  51
  52 typedef enum {
  53   MPLS_ADMIN_ENABLE = 1,
  54   MPLS_ADMIN_DISABLE
  55 } mpls_admin_state_enum;
  56
  57 typedef enum {
  58   MPLS_LABEL_RANGE_GENERIC = 1,
  59   MPLS_LABEL_RANGE_ATM_VP,
  60   MPLS_LABEL_RANGE_ATM_VC,
  61   MPLS_LABEL_RANGE_ATM_VP_VC,
  62   MPLS_LABEL_RANGE_FR_10,
  63   MPLS_LABEL_RANGE_FR_24
  64 } mpls_label_range_type;
  65
  66 typedef enum {
  67   MPLS_LABEL_TYPE_NONE,
  68   MPLS_LABEL_TYPE_GENERIC,
  69   MPLS_LABEL_TYPE_ATM,
  70   MPLS_LABEL_TYPE_FR
  71 } mpls_label_type;
  72
  73 typedef enum {
  74   MPLS_BOOL_FALSE = 0,
  75   MPLS_BOOL_TRUE = 1
  76 } mpls_bool;
  77
  78 typedef enum {
  79   MPLS_SOCKET_UDP_DATA = 1,
  80   MPLS_SOCKET_TCP_LISTEN,
  81   MPLS_SOCKET_TCP_CONNECT,
  82   MPLS_SOCKET_TCP_DATA,
  83   MPLS_SOCKET_ROUTE_UPDATE,
  84 } mpls_socket_enum;
  85
  86 typedef enum {
  87   MPLS_SOCKOP_NONBLOCK = 0x1,
  88   MPLS_SOCKOP_REUSE = 0x2,
  89   MPLS_SOCKOP_ROUTERALERT = 0x4,
  90   MPLS_SOCKOP_HDRINCL = 0x8
  91 } mpls_socket_option_type;
  92
  93 typedef enum {
  94   MPLS_TRACE_STATE_SEND,
  95   MPLS_TRACE_STATE_RECV,
  96   MPLS_TRACE_STATE_ALL
  97 } mpls_trace_states;
  98
  99 typedef enum {
 100   MPLS_OWNER_LDP,
 101   MPLS_OWNER_CRLDP,
 102   MPLS_OWNER_STATIC,
 103   MPLS_OWNER_RSVP_TE
 104 } mpls_owners_enum;
 105
 106 /* this structure is slurped from GNU header files */
 107 typedef struct mpls_iphdr {
 108   BITFIELDS_ASCENDING_2(unsigned int ihl:4,
 109                         unsigned int version:4);
 110   u_int8_t tos;
 111   u_int16_t tot_len;
 112   u_int16_t id;
 113   u_int16_t frag_off;
 114   u_int8_t ttl;
 115   u_int8_t protocol;
 116   u_int16_t check;
 117   u_int32_t saddr;
 118   u_int32_t daddr;
 119   /*The options start here. */
 120 } mpls_iphdr;
 121
 122 typedef struct mpls_label_struct {
 123   mpls_label_type type;
 124   union {
 125     int gen;
 126     struct {
 127       int vpi;
 128       int vci;
 129     } atm;
 130     struct {
 131       int len;
 132       int dlci;
 133     } fr;
 134   } u;
 135 } mpls_label_struct;
 136
 137 typedef enum mpls_family_enum {
 138   MPLS_FAMILY_NONE,
 139   MPLS_FAMILY_IPV4,
 140   MPLS_FAMILY_IPV6,
 141 } mpls_family_enum;
 142
 143 typedef struct mpls_inet_addr {
 144   enum mpls_family_enum type;
 145   union {
 146     uint8_t ipv6[16];
 147     uint32_t ipv4;
 148   } u;
 149 } mpls_inet_addr;
 150
 151 typedef struct mpls_dest {
 152   struct mpls_inet_addr addr;
 153   uint16_t port;
 154   mpls_if_handle if_handle;
 155 } mpls_dest;
 156
 157 typedef struct mpls_range {
 158   int label_space;
 159   mpls_label_range_type type;
 160   struct mpls_label_struct min, max;
 161 } mpls_range;
 162
 163 typedef enum mpls_nexthop_enum {
 164   MPLS_NH_NONE  = 0x0,
 165   MPLS_NH_IP    = 0x1,
 166   MPLS_NH_IF    = 0x2,
 167   MPLS_NH_OUTSEGMENT    = 0x4
 168 } mpls_nexthop_enum;
 169
 170 typedef enum mpls_fec_enum {
 171   MPLS_FEC_NONE,
 172   MPLS_FEC_PREFIX,
 173   MPLS_FEC_HOST,
 174   MPLS_FEC_L2CC,
 175 } mpls_fec_enum;
 176
 177 struct mpls_fec;
 178
 179 typedef struct mpls_nexthop {
 180   short distance;
 181   short metric;
 182   mpls_bool attached;
 183
 184   unsigned char type;
 185   struct mpls_inet_addr ip;
 186   mpls_if_handle if_handle;
 187   mpls_outsegment_handle outsegment_handle;
 188
 189   /* only used during gets */
 190   uint32_t index;
 191 } mpls_nexthop;
 192
 193 typedef struct mpls_fec {
 194   enum mpls_fec_enum type;
 195   union {
 196     struct {
 197       struct mpls_inet_addr network;
 198       uint8_t length;
 199     } prefix;
 200     struct mpls_inet_addr host;
 201     struct {
 202       mpls_if_handle interface;
 203       uint32_t connection_id;
 204       uint32_t group_id;
 205       uint8_t type;
 206     } l2cc;
 207   } u;
 208
 209   /* only used during gets */
 210   uint32_t index;
 211 } mpls_fec;
 212
 213 typedef struct mpls_insegment {
 214   struct mpls_label_struct label;
 215   uint32_t npop;
 216   uint32_t labelspace;
 217   uint16_t family;
 218   mpls_insegment_handle handle;
 219   mpls_owners_enum owner;
 220 } mpls_insegment;
 221
 222 typedef struct mpls_outsegment {
 223   struct mpls_label_struct label;
 224   mpls_bool push_label;
 225   struct mpls_nexthop nexthop;
 226   mpls_outsegment_handle handle;
 227   mpls_owners_enum owner;
 228 } mpls_outsegment;
 229
 230 typedef struct mpls_xconnect {
 231   uint32_t lspid;
 232   uint8_t stack_size;
 233   struct mpls_label_struct stack[MPLS_MAX_LABELSTACK];
 234   mpls_bool is_persistent;
 235   mpls_xconnect_handle handle;
 236   mpls_owners_enum owner;
 237 } mpls_xconnect;
 238
 239 typedef void *mpls_cfg_handle;
 240
 241 #endif