pimd/pimd.h

   1 /*
   2   PIM for Quagga
   3   Copyright (C) 2008  Everton da Silva Marques
   4
   5   This program is free software; you can redistribute it and/or modify
   6   it under the terms of the GNU General Public License as published by
   7   the Free Software Foundation; either version 2 of the License, or
   8   (at your option) any later version.
   9
  10   This program is distributed in the hope that it will be useful, but
  11   WITHOUT ANY WARRANTY; without even the implied warranty of
  12   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  13   General Public License for more details.
  14
  15   You should have received a copy of the GNU General Public License
  16   along with this program; see the file COPYING; if not, write to the
  17   Free Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston,
  18   MA 02110-1301 USA
  19 */
  20
  21 #ifndef PIMD_H
  22 #define PIMD_H
  23
  24 #include <stdint.h>
  25 #include "zebra.h"
  26 #include "libfrr.h"
  27 #include "prefix.h"
  28 #include "vty.h"
  29 #include "plist.h"
  30
  31 #include "pim_str.h"
  32 #include "pim_memory.h"
  33 #include "pim_assert.h"
  34
  35 #define PIMD_PROGNAME       "pimd"
  36 #define PIMD_DEFAULT_CONFIG "pimd.conf"
  37 #define PIMD_VTY_PORT       2611
  38
  39 #define PIM_IP_PROTO_IGMP             (2)
  40 #define PIM_IP_PROTO_PIM              (103)
  41 #define PIM_IGMP_MIN_LEN              (8)
  42
  43 /*
  44  * PIM MSG Header Format
  45  *  0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1
  46  * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
  47  * |PIM Ver| Type  |   Reserved    |           Checksum            |
  48  * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
  49  */
  50 #define PIM_MSG_HEADER_LEN            (4)
  51 #define PIM_PIM_MIN_LEN               PIM_MSG_HEADER_LEN
  52
  53 #define PIM_ENCODED_IPV4_UCAST_SIZE    (6)
  54 #define PIM_ENCODED_IPV4_GROUP_SIZE    (8)
  55 #define PIM_ENCODED_IPV4_SOURCE_SIZE   (8)
  56
  57 /*
  58  * J/P Message Format, Group Header
  59  * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
  60  * |        Upstream Neighbor Address (Encoded-Unicast format)     |
  61  * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
  62  * |  Reserved     | Num groups    |          Holdtime             |
  63  * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
  64  * |         Multicast Group Address 1 (Encoded-Group format)      |
  65  * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
  66  * |   Number of Joined Sources    |   Number of Pruned Sources    |
  67  * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
  68  */
  69 #define PIM_JP_GROUP_HEADER_SIZE                                               \
  70         (PIM_ENCODED_IPV4_UCAST_SIZE + 1 + 1 + 2 + PIM_ENCODED_IPV4_GROUP_SIZE \
  71          + 2 + 2)
  72
  73 #define PIM_PROTO_VERSION             (2)
  74
  75 #define MCAST_ALL_SYSTEMS      "224.0.0.1"
  76 #define MCAST_ALL_ROUTERS      "224.0.0.2"
  77 #define MCAST_ALL_PIM_ROUTERS  "224.0.0.13"
  78 #define MCAST_ALL_IGMP_ROUTERS "224.0.0.22"
  79
  80 #define PIM_FORCE_BOOLEAN(expr) ((expr) != 0)
  81
  82 #define PIM_NET_INADDR_ANY (htonl(INADDR_ANY))
  83 #define PIM_INADDR_IS_ANY(addr) (addr).s_addr == PIM_NET_INADDR_ANY
  84 #define PIM_INADDR_ISNOT_ANY(addr) ((addr).s_addr != PIM_NET_INADDR_ANY) /* struct in_addr addr */
  85
  86 #define max(x,y) ((x) > (y) ? (x) : (y))
  87
  88 #define PIM_MASK_PIM_EVENTS          (1 << 0)
  89 #define PIM_MASK_PIM_EVENTS_DETAIL   (1 << 1)
  90 #define PIM_MASK_PIM_PACKETS         (1 << 2)
  91 #define PIM_MASK_PIM_PACKETDUMP_SEND (1 << 3)
  92 #define PIM_MASK_PIM_PACKETDUMP_RECV (1 << 4)
  93 #define PIM_MASK_PIM_TRACE           (1 << 5)
  94 #define PIM_MASK_PIM_TRACE_DETAIL    (1 << 6)
  95 #define PIM_MASK_IGMP_EVENTS         (1 << 7)
  96 #define PIM_MASK_IGMP_PACKETS        (1 << 8)
  97 #define PIM_MASK_IGMP_TRACE          (1 << 9)
  98 #define PIM_MASK_IGMP_TRACE_DETAIL   (1 << 10)
  99 #define PIM_MASK_ZEBRA               (1 << 11)
 100 #define PIM_MASK_SSMPINGD            (1 << 12)
 101 #define PIM_MASK_MROUTE              (1 << 13)
 102 #define PIM_MASK_MROUTE_DETAIL       (1 << 14)
 103 #define PIM_MASK_PIM_HELLO           (1 << 15)
 104 #define PIM_MASK_PIM_J_P             (1 << 16)
 105 #define PIM_MASK_STATIC              (1 << 17)
 106 #define PIM_MASK_PIM_REG             (1 << 18)
 107 #define PIM_MASK_MSDP_EVENTS         (1 << 19)
 108 #define PIM_MASK_MSDP_PACKETS        (1 << 20)
 109 #define PIM_MASK_MSDP_INTERNAL       (1 << 21)
 110
 111 /* PIM error codes */
 112 #define PIM_SUCCESS                0
 113 #define PIM_MALLOC_FAIL           -1
 114 #define PIM_GROUP_BAD_ADDRESS     -2
 115 #define PIM_GROUP_OVERLAP         -3
 116 #define PIM_GROUP_PFXLIST_OVERLAP -4
 117 #define PIM_RP_BAD_ADDRESS        -5
 118 #define PIM_RP_NO_PATH            -6
 119 #define PIM_RP_NOT_FOUND          -7
 120 #define PIM_RP_PFXLIST_IN_USE     -8
 121 #define PIM_IFACE_NOT_FOUND       -9
 122 #define PIM_UPDATE_SOURCE_DUP     -10
 123
 124 const char *const PIM_ALL_SYSTEMS;
 125 const char *const PIM_ALL_ROUTERS;
 126 const char *const PIM_ALL_PIM_ROUTERS;
 127 const char *const PIM_ALL_IGMP_ROUTERS;
 128
 129 extern struct thread_master *master;
 130 extern struct zebra_privs_t pimd_privs;
 131 uint32_t qpim_debugs;
 132 int qpim_mroute_socket_fd;
 133 int64_t qpim_mroute_socket_creation; /* timestamp of creation */
 134 struct in_addr qpim_all_pim_routers_addr;
 135 int qpim_t_periodic; /* Period between Join/Prune Messages */
 136 struct pim_assert_metric qpim_infinite_assert_metric;
 137 long qpim_rpf_cache_refresh_delay_msec;
 138 struct thread *qpim_rpf_cache_refresher;
 139 int64_t qpim_rpf_cache_refresh_requests;
 140 int64_t qpim_rpf_cache_refresh_events;
 141 int64_t qpim_rpf_cache_refresh_last;
 142 struct in_addr qpim_inaddr_any;
 143 struct list *qpim_ssmpingd_list; /* list of struct ssmpingd_sock */
 144 struct in_addr qpim_ssmpingd_group_addr;
 145 int64_t qpim_scan_oil_events;
 146 int64_t qpim_scan_oil_last;
 147 int64_t qpim_mroute_add_events;
 148 int64_t qpim_mroute_add_last;
 149 int64_t qpim_mroute_del_events;
 150 int64_t qpim_mroute_del_last;
 151 int64_t qpim_nexthop_lookups;
 152 struct list *qpim_static_route_list; /* list of routes added statically */
 153 extern unsigned int qpim_keep_alive_time;
 154 extern signed int qpim_rp_keep_alive_time;
 155 extern int qpim_packet_process;
 156 extern uint8_t qpim_ecmp_enable;
 157 extern uint8_t qpim_ecmp_rebalance_enable;
 158
 159 #define PIM_DEFAULT_PACKET_PROCESS 3
 160
 161 #define PIM_JP_HOLDTIME (qpim_t_periodic * 7 / 2)
 162
 163 /*
 164  * Register-Stop Timer (RST(S,G))
 165  * Default values
 166  */
 167 extern int32_t qpim_register_suppress_time;
 168 extern int32_t qpim_register_probe_time;
 169 #define PIM_REGISTER_SUPPRESSION_TIME_DEFAULT      (60)
 170 #define PIM_REGISTER_PROBE_TIME_DEFAULT            (5)
 171
 172 #define PIM_DEBUG_PIM_EVENTS          (qpim_debugs & PIM_MASK_PIM_EVENTS)
 173 #define PIM_DEBUG_PIM_EVENTS_DETAIL   (qpim_debugs & PIM_MASK_PIM_EVENTS_DETAIL)
 174 #define PIM_DEBUG_PIM_PACKETS         (qpim_debugs & PIM_MASK_PIM_PACKETS)
 175 #define PIM_DEBUG_PIM_PACKETDUMP_SEND (qpim_debugs & PIM_MASK_PIM_PACKETDUMP_SEND)
 176 #define PIM_DEBUG_PIM_PACKETDUMP_RECV (qpim_debugs & PIM_MASK_PIM_PACKETDUMP_RECV)
 177 #define PIM_DEBUG_PIM_TRACE           (qpim_debugs & PIM_MASK_PIM_TRACE)
 178 #define PIM_DEBUG_PIM_TRACE_DETAIL    (qpim_debugs & PIM_MASK_PIM_TRACE_DETAIL)
 179 #define PIM_DEBUG_IGMP_EVENTS         (qpim_debugs & PIM_MASK_IGMP_EVENTS)
 180 #define PIM_DEBUG_IGMP_PACKETS        (qpim_debugs & PIM_MASK_IGMP_PACKETS)
 181 #define PIM_DEBUG_IGMP_TRACE          (qpim_debugs & PIM_MASK_IGMP_TRACE)
 182 #define PIM_DEBUG_IGMP_TRACE_DETAIL   (qpim_debugs & PIM_MASK_IGMP_TRACE_DETAIL)
 183 #define PIM_DEBUG_ZEBRA               (qpim_debugs & PIM_MASK_ZEBRA)
 184 #define PIM_DEBUG_SSMPINGD            (qpim_debugs & PIM_MASK_SSMPINGD)
 185 #define PIM_DEBUG_MROUTE              (qpim_debugs & PIM_MASK_MROUTE)
 186 #define PIM_DEBUG_MROUTE_DETAIL       (qpim_debugs & PIM_MASK_MROUTE_DETAIL)
 187 #define PIM_DEBUG_PIM_HELLO           (qpim_debugs & PIM_MASK_PIM_HELLO)
 188 #define PIM_DEBUG_PIM_J_P             (qpim_debugs & PIM_MASK_PIM_J_P)
 189 #define PIM_DEBUG_PIM_REG             (qpim_debugs & PIM_MASK_PIM_REG)
 190 #define PIM_DEBUG_STATIC              (qpim_debugs & PIM_MASK_STATIC)
 191 #define PIM_DEBUG_MSDP_EVENTS         (qpim_debugs & PIM_MASK_MSDP_EVENTS)
 192 #define PIM_DEBUG_MSDP_PACKETS        (qpim_debugs & PIM_MASK_MSDP_PACKETS)
 193 #define PIM_DEBUG_MSDP_INTERNAL       (qpim_debugs & PIM_MASK_MSDP_INTERNAL)
 194
 195 #define PIM_DEBUG_EVENTS       (qpim_debugs & (PIM_MASK_PIM_EVENTS | PIM_MASK_IGMP_EVENTS | PIM_MASK_MSDP_EVENTS))
 196 #define PIM_DEBUG_PACKETS      (qpim_debugs & (PIM_MASK_PIM_PACKETS | PIM_MASK_IGMP_PACKETS | PIM_MASK_MSDP_PACKETS))
 197 #define PIM_DEBUG_TRACE        (qpim_debugs & (PIM_MASK_PIM_TRACE | PIM_MASK_IGMP_TRACE))
 198
 199 #define PIM_DO_DEBUG_PIM_EVENTS          (qpim_debugs |= PIM_MASK_PIM_EVENTS)
 200 #define PIM_DO_DEBUG_PIM_PACKETS         (qpim_debugs |= PIM_MASK_PIM_PACKETS)
 201 #define PIM_DO_DEBUG_PIM_PACKETDUMP_SEND (qpim_debugs |= PIM_MASK_PIM_PACKETDUMP_SEND)
 202 #define PIM_DO_DEBUG_PIM_PACKETDUMP_RECV (qpim_debugs |= PIM_MASK_PIM_PACKETDUMP_RECV)
 203 #define PIM_DO_DEBUG_PIM_TRACE           (qpim_debugs |= PIM_MASK_PIM_TRACE)
 204 #define PIM_DO_DEBUG_IGMP_EVENTS         (qpim_debugs |= PIM_MASK_IGMP_EVENTS)
 205 #define PIM_DO_DEBUG_IGMP_PACKETS        (qpim_debugs |= PIM_MASK_IGMP_PACKETS)
 206 #define PIM_DO_DEBUG_IGMP_TRACE          (qpim_debugs |= PIM_MASK_IGMP_TRACE)
 207 #define PIM_DO_DEBUG_IGMP_TRACE_DETAIL   (qpim_debugs |= PIM_MASK_IGMP_TRACE_DETAIL)
 208 #define PIM_DO_DEBUG_ZEBRA               (qpim_debugs |= PIM_MASK_ZEBRA)
 209 #define PIM_DO_DEBUG_SSMPINGD            (qpim_debugs |= PIM_MASK_SSMPINGD)
 210 #define PIM_DO_DEBUG_MROUTE              (qpim_debugs |= PIM_MASK_MROUTE)
 211 #define PIM_DO_DEBUG_MROUTE_DETAIL       (qpim_debugs |= PIM_MASK_MROUTE_DETAIL)
 212 #define PIM_DO_DEBUG_PIM_HELLO           (qpim_debugs |= PIM_MASK_PIM_HELLO)
 213 #define PIM_DO_DEBUG_PIM_J_P             (qpim_debugs |= PIM_MASK_PIM_J_P)
 214 #define PIM_DO_DEBUG_PIM_REG             (qpim_debugs |= PIM_MASK_PIM_REG)
 215 #define PIM_DO_DEBUG_STATIC              (qpim_debugs |= PIM_MASK_STATIC)
 216 #define PIM_DO_DEBUG_MSDP_EVENTS         (qpim_debugs |= PIM_MASK_MSDP_EVENTS)
 217 #define PIM_DO_DEBUG_MSDP_PACKETS        (qpim_debugs |= PIM_MASK_MSDP_PACKETS)
 218 #define PIM_DO_DEBUG_MSDP_INTERNAL       (qpim_debugs |= PIM_MASK_MSDP_INTERNAL)
 219
 220 #define PIM_DONT_DEBUG_PIM_EVENTS          (qpim_debugs &= ~PIM_MASK_PIM_EVENTS)
 221 #define PIM_DONT_DEBUG_PIM_PACKETS         (qpim_debugs &= ~PIM_MASK_PIM_PACKETS)
 222 #define PIM_DONT_DEBUG_PIM_PACKETDUMP_SEND (qpim_debugs &= ~PIM_MASK_PIM_PACKETDUMP_SEND)
 223 #define PIM_DONT_DEBUG_PIM_PACKETDUMP_RECV (qpim_debugs &= ~PIM_MASK_PIM_PACKETDUMP_RECV)
 224 #define PIM_DONT_DEBUG_PIM_TRACE           (qpim_debugs &= ~PIM_MASK_PIM_TRACE)
 225 #define PIM_DONT_DEBUG_IGMP_EVENTS         (qpim_debugs &= ~PIM_MASK_IGMP_EVENTS)
 226 #define PIM_DONT_DEBUG_IGMP_PACKETS        (qpim_debugs &= ~PIM_MASK_IGMP_PACKETS)
 227 #define PIM_DONT_DEBUG_IGMP_TRACE          (qpim_debugs &= ~PIM_MASK_IGMP_TRACE)
 228 #define PIM_DONT_DEBUG_IGMP_TRACE_DETAIL   (qpim_debugs &= ~PIM_MASK_IGMP_TRACE_DETAIL)
 229 #define PIM_DONT_DEBUG_ZEBRA               (qpim_debugs &= ~PIM_MASK_ZEBRA)
 230 #define PIM_DONT_DEBUG_SSMPINGD            (qpim_debugs &= ~PIM_MASK_SSMPINGD)
 231 #define PIM_DONT_DEBUG_MROUTE              (qpim_debugs &= ~PIM_MASK_MROUTE)
 232 #define PIM_DONT_DEBUG_MROUTE_DETAIL       (qpim_debugs &= ~PIM_MASK_MROUTE_DETAIL)
 233 #define PIM_DONT_DEBUG_PIM_HELLO           (qpim_debugs &= ~PIM_MASK_PIM_HELLO)
 234 #define PIM_DONT_DEBUG_PIM_J_P             (qpim_debugs &= ~PIM_MASK_PIM_J_P)
 235 #define PIM_DONT_DEBUG_PIM_REG             (qpim_debugs &= ~PIM_MASK_PIM_REG)
 236 #define PIM_DONT_DEBUG_STATIC              (qpim_debugs &= ~PIM_MASK_STATIC)
 237 #define PIM_DONT_DEBUG_MSDP_EVENTS         (qpim_debugs &= ~PIM_MASK_MSDP_EVENTS)
 238 #define PIM_DONT_DEBUG_MSDP_PACKETS        (qpim_debugs &= ~PIM_MASK_MSDP_PACKETS)
 239 #define PIM_DONT_DEBUG_MSDP_INTERNAL       (qpim_debugs &= ~PIM_MASK_MSDP_INTERNAL)
 240
 241 enum pim_spt_switchover {
 242         PIM_SPT_IMMEDIATE,
 243         PIM_SPT_INFINITY,
 244 };
 245
 246 /* Per VRF PIM DB */
 247 struct pim_instance {
 248         afi_t afi;
 249         vrf_id_t vrf_id;
 250
 251         struct {
 252                 enum pim_spt_switchover switchover;
 253                 char *plist;
 254         } spt;
 255
 256         struct hash *rpf_hash;
 257         void *ssm_info; /* per-vrf SSM configuration */
 258 };
 259
 260 extern struct pim_instance *pimg; // Pim Global Instance
 261
 262 void pim_init(void);
 263 void pim_terminate(void);
 264
 265 extern void pim_route_map_init(void);
 266 extern void pim_route_map_terminate(void);
 267 void pim_vrf_init(void);
 268 void pim_prefix_list_update(struct prefix_list *plist);
 269
 270 #endif /* PIMD_H */