LCOV - code coverage report
Current view: top level - vnet/ip6-nd - rd_cp.c (source / functions) Hit Total Coverage
Test: coverage-filtered.info Lines: 176 236 74.6 %
Date: 2023-10-26 01:39:38 Functions: 17 19 89.5 %

          Line data    Source code
       1             : /*
       2             :  * Copyright (c) 2018 Cisco and/or its affiliates.
       3             :  * Licensed under the Apache License, Version 2.0 (the "License");
       4             :  * you may not use this file except in compliance with the License.
       5             :  * You may obtain a copy of the License at:
       6             :  *
       7             :  *     http://www.apache.org/licenses/LICENSE-2.0
       8             :  *
       9             :  * Unless required by applicable law or agreed to in writing, software
      10             :  * distributed under the License is distributed on an "AS IS" BASIS,
      11             :  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
      12             :  * See the License for the specific language governing permissions and
      13             :  * limitations under the License.
      14             :  */
      15             : 
      16             : #include <vnet/ip6-nd/ip6_ra.h>
      17             : 
      18             : #include <vnet/ip/ip6.h>
      19             : #include <vnet/ip/ip6_link.h>
      20             : #include <vnet/ethernet/ethernet.h>
      21             : #include <vnet/fib/fib_table.h>
      22             : #include <signal.h>
      23             : #include <math.h>
      24             : 
      25             : typedef struct
      26             : {
      27             :   u32 sw_if_index;
      28             :   u8 address_length;
      29             :   ip6_address_t address;
      30             :   f64 due_time;
      31             : } slaac_address_t;
      32             : 
      33             : typedef struct
      34             : {
      35             :   u32 sw_if_index;
      36             :   ip6_address_t router_address;
      37             :   f64 due_time;
      38             : } default_route_t;
      39             : 
      40             : typedef struct
      41             : {
      42             :   u8 enabled;
      43             :   u8 install_default_routes;
      44             : } interface_config_t;
      45             : 
      46             : typedef struct
      47             : {
      48             :   u8 enabled;
      49             :   u8 events_on;
      50             : 
      51             :   interface_config_t *config_by_sw_if_index;
      52             :   slaac_address_t *slaac_address_pool;
      53             :   default_route_t *default_route_pool;
      54             : 
      55             :   /* binary API client */
      56             :   u8 api_connected;
      57             :   u32 my_client_index;
      58             : 
      59             :   /* logging */
      60             :   vlib_log_class_t log_class;
      61             : 
      62             :   /* convenience */
      63             :   vlib_main_t *vlib_main;
      64             :   vnet_main_t *vnet_main;
      65             :   u32 node_index;
      66             : } rd_cp_main_t;
      67             : 
      68             : rd_cp_main_t rd_cp_main;
      69             : 
      70             : enum
      71             : {
      72             :   RD_CP_EVENT_INTERRUPT,
      73             : };
      74             : 
      75             : static void
      76           1 : router_solicitation_start_stop (u32 sw_if_index, u8 start)
      77             : {
      78           1 :   rd_cp_main_t *rm = &rd_cp_main;
      79           1 :   icmp6_send_router_solicitation_params_t params = { 0, };
      80             : 
      81           1 :   if (start)
      82             :     {
      83           1 :       params.irt = 1;
      84           1 :       params.mrt = 120;
      85             :     }
      86             : 
      87           1 :   icmp6_send_router_solicitation (rm->vlib_main, sw_if_index, !start,
      88             :                                   &params);
      89           1 : }
      90             : 
      91             : static void interrupt_process (void);
      92             : 
      93             : static int
      94           1 : add_slaac_address (vlib_main_t * vm, u32 sw_if_index, u8 address_length,
      95             :                    const ip6_address_t * address, f64 due_time)
      96             : {
      97           1 :   rd_cp_main_t *rm = &rd_cp_main;
      98             :   slaac_address_t *slaac_address;
      99           1 :   clib_error_t *rv = 0;
     100             : 
     101           1 :   pool_get_zero (rm->slaac_address_pool, slaac_address);
     102             : 
     103           1 :   slaac_address->sw_if_index = sw_if_index;
     104           1 :   slaac_address->address_length = address_length;
     105           1 :   slaac_address->address = *address;
     106           1 :   slaac_address->due_time = due_time;
     107             : 
     108             :   rv =
     109           1 :     ip6_add_del_interface_address (vm, sw_if_index, &slaac_address->address,
     110             :                                    address_length, 0);
     111             : 
     112           1 :   return rv != 0;
     113             : }
     114             : 
     115             : static void
     116           2 : add_default_route (vlib_main_t * vm, u32 sw_if_index,
     117             :                    const ip6_address_t * next_hop_address, f64 due_time)
     118             : {
     119           2 :   rd_cp_main_t *rm = &rd_cp_main;
     120             :   default_route_t *default_route;
     121             : 
     122           2 :   pool_get_zero (rm->default_route_pool, default_route);
     123             : 
     124           2 :   default_route->sw_if_index = sw_if_index;
     125           2 :   default_route->router_address = *next_hop_address;
     126           2 :   default_route->due_time = due_time;
     127             : 
     128             :   {
     129           2 :     u32 fib_index = fib_table_get_index_for_sw_if_index (FIB_PROTOCOL_IP6,
     130           2 :                                                          default_route->
     131             :                                                          sw_if_index);
     132           2 :     fib_prefix_t pfx = {
     133             :       .fp_proto = FIB_PROTOCOL_IP6,
     134             :     };
     135           2 :     ip46_address_t nh = {
     136           2 :       .ip6 = default_route->router_address,
     137             :     };
     138           2 :     fib_table_entry_update_one_path (fib_index, &pfx,
     139             :                                      FIB_SOURCE_API,
     140             :                                      FIB_ENTRY_FLAG_NONE,
     141             :                                      DPO_PROTO_IP6,
     142             :                                      &nh,
     143           2 :                                      default_route->sw_if_index,
     144             :                                      0, 1, NULL, FIB_ROUTE_PATH_FLAG_NONE);
     145             :   }
     146           2 : }
     147             : 
     148             : static int
     149           1 : remove_slaac_address (vlib_main_t * vm, slaac_address_t * slaac_address)
     150             : {
     151           1 :   rd_cp_main_t *rm = &rd_cp_main;
     152           1 :   clib_error_t *rv = 0;
     153             : 
     154           1 :   rv = ip6_add_del_interface_address (vm, slaac_address->sw_if_index,
     155             :                                       &slaac_address->address,
     156           1 :                                       slaac_address->address_length, 1);
     157             : 
     158           1 :   pool_put (rm->slaac_address_pool, slaac_address);
     159             : 
     160           1 :   return rv != 0;
     161             : }
     162             : 
     163             : static void
     164           2 : remove_default_route (vlib_main_t * vm, default_route_t * default_route)
     165             : {
     166           2 :   rd_cp_main_t *rm = &rd_cp_main;
     167             : 
     168             :   {
     169           2 :     u32 fib_index = fib_table_get_index_for_sw_if_index (FIB_PROTOCOL_IP6,
     170             :                                                          default_route->
     171             :                                                          sw_if_index);
     172           2 :     fib_prefix_t pfx = {
     173             :       .fp_proto = FIB_PROTOCOL_IP6,
     174             :     };
     175           2 :     ip46_address_t nh = {
     176             :       .ip6 = default_route->router_address,
     177             :     };
     178           2 :     fib_table_entry_path_remove (fib_index, &pfx,
     179             :                                  FIB_SOURCE_API,
     180             :                                  DPO_PROTO_IP6,
     181             :                                  &nh,
     182             :                                  default_route->sw_if_index,
     183             :                                  0, 1, FIB_ROUTE_PATH_FLAG_NONE);
     184             :   }
     185             : 
     186           2 :   pool_put (rm->default_route_pool, default_route);
     187           2 : }
     188             : 
     189             : static u32
     190           4 : get_interface_mac_address (u32 sw_if_index, u8 mac[])
     191             : {
     192           4 :   rd_cp_main_t *rm = &rd_cp_main;
     193             :   vnet_sw_interface_t *si;
     194           4 :   ethernet_interface_t *eth_if = 0;
     195             : 
     196           4 :   if (!vnet_sw_interface_is_api_valid (rm->vnet_main, sw_if_index))
     197             :     {
     198           0 :       vlib_log_warn (rm->log_class, "Invalid sw_if_index");
     199           0 :       return 1;
     200             :     }
     201             : 
     202           4 :   si = vnet_get_sup_sw_interface (rm->vnet_main, sw_if_index);
     203           4 :   if (si->type == VNET_SW_INTERFACE_TYPE_HARDWARE)
     204           4 :     eth_if = ethernet_get_interface (&ethernet_main, si->hw_if_index);
     205             : 
     206           4 :   if (!eth_if)
     207             :     {
     208           0 :       vlib_log_warn (rm->log_class, "Failed to get hardware interface");
     209           0 :       return 1;
     210             :     }
     211             : 
     212           4 :   clib_memcpy_fast (mac, &eth_if->address, 6);
     213             : 
     214           4 :   return 0;
     215             : }
     216             : 
     217             : static u8
     218           0 : ip6_prefixes_equal (ip6_address_t * prefix1, ip6_address_t * prefix2, u8 len)
     219             : {
     220           0 :   if (len >= 64)
     221             :     {
     222           0 :       if (prefix1->as_u64[0] != prefix2->as_u64[0])
     223           0 :         return 0;
     224           0 :       if (len == 64)
     225           0 :         return 1;
     226           0 :       return prefix1->as_u64[1] >> (128 - len) ==
     227           0 :         prefix2->as_u64[1] >> (128 - len);
     228             :     }
     229           0 :   return prefix1->as_u64[0] >> (64 - len) == prefix2->as_u64[0] >> (64 - len);
     230             : }
     231             : 
     232             : #define PREFIX_FLAG_A (1 << 6)
     233             : #define PREFIX_FLAG_L (1 << 7)
     234             : 
     235             : static void
     236           5 : ip6_ra_report_handler (const ip6_ra_report_t * r)
     237             : {
     238           5 :   rd_cp_main_t *rm = &rd_cp_main;
     239           5 :   vlib_main_t *vm = rm->vlib_main;
     240             :   interface_config_t *if_config;
     241             :   default_route_t *default_route;
     242             :   slaac_address_t *slaac_address;
     243             :   u32 sw_if_index;
     244             :   u16 router_lifetime_in_sec;
     245             :   u32 n_prefixes;
     246             :   ra_report_prefix_info_t *prefix;
     247             :   u8 mac[6];
     248             :   f64 current_time;
     249             :   u32 i;
     250             : 
     251           5 :   current_time = vlib_time_now (vm);
     252             : 
     253           5 :   sw_if_index = r->sw_if_index;
     254             : 
     255           5 :   if (sw_if_index >= vec_len (rm->config_by_sw_if_index))
     256           1 :     return;
     257           4 :   if_config = &rm->config_by_sw_if_index[sw_if_index];
     258             : 
     259           4 :   if (if_config->install_default_routes)
     260             :     {
     261           4 :       router_lifetime_in_sec = r->router_lifetime_in_sec;
     262           4 :       u8 route_already_present = 0;
     263             :       /* *INDENT-OFF* */
     264           4 :       pool_foreach (default_route, rm->default_route_pool)
     265             :        {
     266           2 :         if (default_route->sw_if_index != sw_if_index)
     267             :           ;
     268           2 :         else if (0 != memcmp (&default_route->router_address,
     269           2 :                               &r->router_address, 16))
     270             :           ;
     271             :         else
     272             :           {
     273           2 :             route_already_present = 1;
     274           2 :             goto default_route_pool_foreach_out;
     275             :           }
     276             :       }
     277             :       /* *INDENT-ON* */
     278           2 :     default_route_pool_foreach_out:
     279             : 
     280           4 :       if (!route_already_present)
     281             :         {
     282           2 :           if (router_lifetime_in_sec != 0)
     283           2 :             add_default_route (vm, sw_if_index, &r->router_address,
     284             :                                current_time + router_lifetime_in_sec);
     285             :         }
     286             :       else
     287             :         {
     288           2 :           if (router_lifetime_in_sec != 0)
     289           1 :             default_route->due_time = current_time + router_lifetime_in_sec;
     290             :           else
     291           1 :             remove_default_route (vm, default_route);
     292             :         }
     293             :     }
     294             : 
     295           4 :   if (get_interface_mac_address (sw_if_index, mac) != 0)
     296             :     {
     297           0 :       vlib_log_warn (rm->log_class, "Error getting MAC address");
     298           0 :       return;
     299             :     }
     300             : 
     301           4 :   if (!if_config->enabled)
     302           0 :     return;
     303             : 
     304           4 :   n_prefixes = vec_len (r->prefixes);
     305           6 :   for (i = 0; i < n_prefixes; i++)
     306             :     {
     307             :       ip6_address_t *dst_address;
     308             :       u8 prefix_length;
     309             :       u32 valid_time;
     310             :       u32 preferred_time;
     311             :       f64 due_time;
     312             : 
     313           2 :       prefix = &r->prefixes[i];
     314             : 
     315           2 :       if (!(prefix->flags & PREFIX_FLAG_A))
     316           1 :         continue;
     317             : 
     318           1 :       dst_address = &prefix->prefix.fp_addr.ip6;
     319           1 :       prefix_length = prefix->prefix.fp_len;
     320             : 
     321           1 :       if (ip6_address_is_link_local_unicast (dst_address))
     322           0 :         continue;
     323             : 
     324           1 :       valid_time = prefix->valid_time;
     325           1 :       preferred_time = prefix->preferred_time;
     326             : 
     327           1 :       if (preferred_time > valid_time)
     328           0 :         continue;
     329             : 
     330           1 :       if (prefix_length != 64)
     331           0 :         continue;
     332             : 
     333           1 :       u8 address_already_present = 0;
     334             :       /* *INDENT-OFF* */
     335           1 :       pool_foreach (slaac_address, rm->slaac_address_pool)
     336             :        {
     337           0 :         if (slaac_address->sw_if_index != sw_if_index)
     338             :           ;
     339           0 :         else if (slaac_address->address_length != prefix_length)
     340             :           ;
     341           0 :         else if (!ip6_prefixes_equal (&slaac_address->address, dst_address,
     342             :                                  prefix_length))
     343             :           ;
     344             :         else
     345             :           {
     346           0 :             address_already_present = 1;
     347           0 :             goto slaac_address_pool_foreach_out;
     348             :           }
     349             :       }
     350             :       /* *INDENT-ON* */
     351           1 :     slaac_address_pool_foreach_out:
     352             : 
     353           1 :       if (address_already_present)
     354             :         {
     355           0 :           f64 remaining_life_time = slaac_address->due_time - current_time;
     356           0 :           if (valid_time > 2 * 60 * 60 || valid_time > remaining_life_time)
     357           0 :             slaac_address->due_time = current_time + valid_time;
     358           0 :           else if (remaining_life_time > 2 * 60 * 60)
     359           0 :             slaac_address->due_time = current_time + 2 * 60 * 60;
     360           0 :           continue;
     361             :         }
     362             : 
     363           1 :       if (valid_time == 0)
     364           0 :         continue;
     365             : 
     366           1 :       due_time = current_time + valid_time;
     367             : 
     368             :       ip6_address_t addr;
     369           1 :       addr.as_u64[0] = dst_address->as_u64[0];
     370             :       /* Invert the "u" bit */
     371           1 :       addr.as_u8[8] = mac[0] ^ (1 << 1);
     372           1 :       addr.as_u8[9] = mac[1];
     373           1 :       addr.as_u8[10] = mac[2];
     374           1 :       addr.as_u8[11] = 0xFF;
     375           1 :       addr.as_u8[12] = 0xFE;
     376           1 :       addr.as_u8[13] = mac[3];
     377           1 :       addr.as_u8[14] = mac[4];
     378           1 :       addr.as_u8[15] = mac[5];
     379             : 
     380           1 :       add_slaac_address (vm, sw_if_index, prefix_length, &addr, due_time);
     381             :     }
     382             : 
     383           4 :   interrupt_process ();
     384             : 
     385           4 :   return;
     386             : }
     387             : 
     388             : static uword
     389         575 : rd_cp_process (vlib_main_t * vm, vlib_node_runtime_t * rt, vlib_frame_t * f)
     390             : {
     391         575 :   uword *event_data = 0;
     392         575 :   rd_cp_main_t *rm = &rd_cp_main;
     393             :   slaac_address_t *slaac_address;
     394             :   default_route_t *default_route;
     395         575 :   f64 sleep_time = 1e9;
     396             :   f64 current_time;
     397             :   f64 due_time;
     398             : 
     399             :   while (1)
     400             :     {
     401         588 :       vlib_process_wait_for_event_or_clock (vm, sleep_time);
     402          13 :       vlib_process_get_events (vm, &event_data);
     403             : 
     404          13 :       vec_reset_length (event_data);
     405             : 
     406          13 :       current_time = vlib_time_now (vm);
     407             :       do
     408             :         {
     409          14 :           due_time = current_time + 1e9;
     410             :           u32 index;
     411             :           /*
     412             :            * we do not use pool_foreach() to iterate over pool elements here
     413             :            * as we are removing elements inside the loop body
     414             :            */
     415             :           /* *INDENT-OFF* */
     416          27 :           pool_foreach_index (index, rm->slaac_address_pool)
     417             :            {
     418          13 :             slaac_address = pool_elt_at_index(rm->slaac_address_pool, index);
     419          13 :             if (slaac_address->due_time > current_time)
     420             :               {
     421          12 :                 if (slaac_address->due_time < due_time)
     422          12 :                   due_time = slaac_address->due_time;
     423             :               }
     424             :             else
     425             :               {
     426           1 :                 u32 sw_if_index = slaac_address->sw_if_index;
     427           1 :                 remove_slaac_address (vm, slaac_address);
     428             :                 /* make sure ip6 stays enabled */
     429           1 :                 ip6_link_enable (sw_if_index, NULL);
     430             :               }
     431             :           }
     432          25 :           pool_foreach_index (index, rm->default_route_pool)
     433             :            {
     434          11 :             default_route = pool_elt_at_index(rm->default_route_pool, index);
     435          11 :             if (default_route->due_time > current_time)
     436             :               {
     437          10 :                 if (default_route->due_time < due_time)
     438           8 :                   due_time = default_route->due_time;
     439             :               }
     440             :             else
     441           1 :               remove_default_route (vm, default_route);
     442             :           }
     443             :           /* *INDENT-ON* */
     444          14 :           current_time = vlib_time_now (vm);
     445             :         }
     446          14 :       while (due_time < current_time);
     447             : 
     448          13 :       sleep_time = due_time - current_time;
     449             :     }
     450             : 
     451             :   return 0;
     452             : }
     453             : 
     454             : /* *INDENT-OFF* */
     455      183788 : VLIB_REGISTER_NODE (rd_cp_process_node) = {
     456             :     .function = rd_cp_process,
     457             :     .type = VLIB_NODE_TYPE_PROCESS,
     458             :     .name = "rd-cp-process",
     459             : };
     460             : /* *INDENT-ON* */
     461             : 
     462             : static void
     463           5 : interrupt_process (void)
     464             : {
     465           5 :   rd_cp_main_t *rm = &rd_cp_main;
     466           5 :   vlib_main_t *vm = rm->vlib_main;
     467             : 
     468           5 :   vlib_process_signal_event (vm, rd_cp_process_node.index,
     469             :                              RD_CP_EVENT_INTERRUPT, 0);
     470           5 : }
     471             : 
     472             : int
     473           1 : rd_cp_set_address_autoconfig (u32 sw_if_index,
     474             :                               u8 enable, u8 install_default_routes)
     475             : {
     476           1 :   rd_cp_main_t *rm = &rd_cp_main;
     477           1 :   vlib_main_t *vm = rm->vlib_main;
     478           1 :   vnet_main_t *vnm = rm->vnet_main;
     479             :   interface_config_t *if_config;
     480           1 :   interface_config_t empty_config = { 0, 0 };
     481             :   slaac_address_t *slaac_address;
     482             :   default_route_t *default_route;
     483             : 
     484           1 :   if (!enable)
     485           0 :     install_default_routes = 0;
     486             : 
     487           1 :   if (!vnet_sw_interface_is_api_valid (vnm, sw_if_index))
     488             :     {
     489           0 :       vlib_log_warn (rm->log_class, "Invalid sw_if_index");
     490           0 :       return 1;
     491             :     }
     492             : 
     493           1 :   if (!rm->enabled)
     494             :     {
     495             :       /* process kickoff */
     496           1 :       interrupt_process ();
     497           1 :       rm->enabled = 1;
     498             :     }
     499             : 
     500           3 :   vec_validate_init_empty (rm->config_by_sw_if_index, sw_if_index,
     501             :                            empty_config);
     502           1 :   if_config = &rm->config_by_sw_if_index[sw_if_index];
     503             : 
     504           1 :   if (!if_config->enabled && enable)
     505           1 :     ip6_link_enable (sw_if_index, NULL);
     506             : 
     507           1 :   if ((!if_config->enabled && enable)
     508           0 :       || (!if_config->install_default_routes && install_default_routes))
     509           1 :     router_solicitation_start_stop (sw_if_index, 1);
     510           0 :   else if (if_config->enabled && !enable)
     511           0 :     router_solicitation_start_stop (sw_if_index, 0);
     512             : 
     513           1 :   if (if_config->enabled && !enable)
     514             :     {
     515             :       /* *INDENT-OFF* */
     516           0 :       pool_foreach (slaac_address, rm->slaac_address_pool)
     517             :        {
     518           0 :           remove_slaac_address (vm, slaac_address);
     519             :       }
     520             :       /* *INDENT-ON* */
     521             :     }
     522           1 :   if (if_config->install_default_routes && !install_default_routes)
     523             :     {
     524             :       /* *INDENT-OFF* */
     525           0 :       pool_foreach (default_route, rm->default_route_pool)
     526             :        {
     527           0 :           remove_default_route (vm, default_route);
     528             :       }
     529             :       /* *INDENT-ON* */
     530             :     }
     531             : 
     532           1 :   if_config->enabled = enable;
     533           1 :   if_config->install_default_routes = install_default_routes;
     534             : 
     535           1 :   return 0;
     536             : }
     537             : 
     538             : static clib_error_t *
     539           0 : ip6_nd_address_autoconfig (vlib_main_t * vm,
     540             :                            unformat_input_t * input, vlib_cli_command_t * cmd)
     541             : {
     542           0 :   rd_cp_main_t *rm = &rd_cp_main;
     543           0 :   vnet_main_t *vnm = rm->vnet_main;
     544           0 :   clib_error_t *error = 0;
     545           0 :   u32 sw_if_index = ~0;
     546           0 :   u8 enable = 1;
     547           0 :   u8 default_route = 0;
     548             : 
     549           0 :   while (unformat_check_input (input) != UNFORMAT_END_OF_INPUT)
     550             :     {
     551           0 :       if (unformat
     552             :           (input, "%U", unformat_vnet_sw_interface, vnm, &sw_if_index))
     553             :         ;
     554           0 :       if (unformat (input, "default-route"))
     555           0 :         default_route = 1;
     556           0 :       if (unformat (input, "disable"))
     557           0 :         enable = 0;
     558             :       else
     559           0 :         break;
     560             :     }
     561             : 
     562           0 :   if (sw_if_index != ~0)
     563             :     {
     564           0 :       if (rd_cp_set_address_autoconfig (sw_if_index, enable, default_route) !=
     565             :           0)
     566           0 :         error = clib_error_return (0, "Invalid sw_if_index");
     567             :     }
     568             :   else
     569           0 :     error = clib_error_return (0, "Missing sw_if_index");
     570             : 
     571           0 :   return error;
     572             : }
     573             : 
     574             : /*?
     575             :  * This command is used to enable ND address autoconfiguration
     576             :  * on particular interface including setting up default routes.
     577             :  *
     578             :  * @cliexpar
     579             :  * @parblock
     580             :  * Example of how to enable ND address autoconfiguration:
     581             :  * @cliexcmd{ip6 nd address autoconfig GigabitEthernet2/0/0}
     582             :  * Example of how to enable ND address autoconfiguration
     583             :  * with setting up default routes:
     584             :  * @cliexcmd{ip6 nd address autoconfig GigabitEthernet2/0/0 default-route}
     585             :  * Example of how to disable ND address autoconfiguration:
     586             :  * @cliexcmd{ip6 nd address autoconfig GigabitEthernet2/0/0 disable}
     587             :  * @endparblock
     588             : ?*/
     589             : /* *INDENT-OFF* */
     590      285289 : VLIB_CLI_COMMAND (ip6_nd_address_autoconfig_command, static) = {
     591             :   .path = "ip6 nd address autoconfig",
     592             :   .short_help = "ip6 nd address autoconfig <interface> [default-route|disable]",
     593             :   .function = ip6_nd_address_autoconfig,
     594             : };
     595             : /* *INDENT-ON* */
     596             : 
     597             : static clib_error_t *
     598         575 : rd_cp_init (vlib_main_t * vm)
     599             : {
     600         575 :   rd_cp_main_t *rm = &rd_cp_main;
     601             : 
     602         575 :   rm->vlib_main = vm;
     603         575 :   rm->vnet_main = vnet_get_main ();
     604         575 :   rm->node_index = rd_cp_process_node.index;
     605             : 
     606         575 :   rm->log_class = vlib_log_register_class ("rd_cp", 0);
     607             : 
     608         575 :   ip6_ra_report_register (ip6_ra_report_handler);
     609             : 
     610         575 :   return (NULL);
     611             : }
     612             : 
     613       99071 : VLIB_INIT_FUNCTION (rd_cp_init);
     614             : 
     615             : /*
     616             :  * fd.io coding-style-patch-verification: ON
     617             :  *
     618             :  * Local Variables:
     619             :  * eval: (c-set-style "gnu")
     620             :  * End:
     621             :  */

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