| /* |
| * Copyright (c) 2018 Cisco and/or its affiliates. |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at: |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| #include <vnet/vnet.h> |
| #include <vlibmemory/api.h> |
| #include <vnet/vnet_msg_enum.h> |
| #include <vnet/dhcp/dhcp6_packet.h> |
| #include <vnet/dhcp/dhcp6_pd_client_dp.h> |
| #include <vnet/ip/ip.h> |
| #include <vnet/ip/ip6.h> |
| #include <float.h> |
| #include <math.h> |
| #include <string.h> |
| |
| #define vl_typedefs /* define message structures */ |
| #include <vnet/vnet_all_api_h.h> |
| #undef vl_typedefs |
| |
| #define vl_endianfun /* define message structures */ |
| #include <vnet/vnet_all_api_h.h> |
| #undef vl_endianfun |
| |
| #include <vlibapi/api_helper_macros.h> |
| |
| #define foreach_dhcp6_pd_client_cp_msg \ |
| _(DHCP6_PD_CLIENT_ENABLE_DISABLE, dhcp6_pd_client_enable_disable) \ |
| _(IP6_ADD_DEL_ADDRESS_USING_PREFIX, ip6_add_del_address_using_prefix) |
| |
| #define vl_api_dhcp6_pd_client_enable_disable_t_print vl_noop_handler |
| #define vl_api_ip6_add_del_address_using_prefix_t_print vl_noop_handler |
| |
| typedef struct |
| { |
| u32 prefix_group_index; |
| uword opaque_data; // used by prefix publisher |
| ip6_address_t prefix; |
| u8 prefix_length; |
| u32 preferred_lt; |
| u32 valid_lt; |
| f64 due_time; |
| } prefix_info_t; |
| |
| typedef struct |
| { |
| u8 enabled; |
| u32 prefix_group_index; |
| u32 server_index; |
| u32 T1; |
| u32 T2; |
| f64 T1_due_time; |
| f64 T2_due_time; |
| u32 prefix_count; |
| u8 rebinding; |
| } client_state_t; |
| |
| typedef struct |
| { |
| client_state_t *client_state_by_sw_if_index; |
| clib_bitmap_t *prefix_ownership_bitmap; |
| u32 n_clients; |
| f64 max_valid_due_time; |
| |
| /* convenience */ |
| vlib_main_t *vlib_main; |
| vnet_main_t *vnet_main; |
| api_main_t *api_main; |
| u32 node_index; |
| } dhcp6_pd_client_cp_main_t; |
| |
| static dhcp6_pd_client_cp_main_t dhcp6_pd_client_cp_main; |
| |
| typedef struct |
| { |
| prefix_info_t *prefix_pool; |
| const u8 **prefix_group_name_by_index; |
| } ip6_prefix_main_t; |
| |
| static ip6_prefix_main_t ip6_prefix_main; |
| |
| typedef struct |
| { |
| /* config */ |
| u32 sw_if_index; |
| u32 prefix_group_index; |
| ip6_address_t address; |
| u8 prefix_length; |
| |
| /* state */ |
| u8 configured_in_data_plane; |
| } ip6_address_info_t; |
| |
| typedef struct |
| { |
| ip6_address_info_t *addresses; |
| u32 *active_prefix_index_by_prefix_group_index; |
| } ip6_address_with_prefix_main_t; |
| |
| static ip6_address_with_prefix_main_t ip6_address_with_prefix_main; |
| |
| enum |
| { |
| DHCPV6_PD_EVENT_INTERRUPT, |
| DHCPV6_PD_EVENT_DISABLE, |
| }; |
| |
| static_always_inline u32 |
| active_prefix_index_by_prefix_group_index_get (u32 prefix_group_index) |
| { |
| ip6_address_with_prefix_main_t *apm = &ip6_address_with_prefix_main; |
| |
| if (prefix_group_index >= |
| vec_len (apm->active_prefix_index_by_prefix_group_index)) |
| return ~0; |
| |
| return apm->active_prefix_index_by_prefix_group_index[prefix_group_index]; |
| } |
| |
| static_always_inline void |
| active_prefix_index_by_prefix_group_index_set (u32 prefix_group_index, |
| u32 prefix_index) |
| { |
| ip6_address_with_prefix_main_t *apm = &ip6_address_with_prefix_main; |
| static const u32 empty = ~0; |
| |
| ASSERT (prefix_group_index != ~0); |
| |
| if (prefix_index == ~0 |
| && prefix_group_index >= |
| vec_len (apm->active_prefix_index_by_prefix_group_index)) |
| return; |
| |
| vec_validate_init_empty (apm->active_prefix_index_by_prefix_group_index, |
| prefix_group_index, empty); |
| apm->active_prefix_index_by_prefix_group_index[prefix_group_index] = |
| prefix_index; |
| } |
| |
| static_always_inline u8 |
| is_dhcpv6_pd_prefix (prefix_info_t * prefix_info) |
| { |
| dhcp6_pd_client_cp_main_t *rm = &dhcp6_pd_client_cp_main; |
| ip6_prefix_main_t *pm = &ip6_prefix_main; |
| u32 prefix_index; |
| |
| prefix_index = prefix_info - pm->prefix_pool; |
| return clib_bitmap_get (rm->prefix_ownership_bitmap, prefix_index); |
| } |
| |
| static_always_inline void |
| set_is_dhcpv6_pd_prefix (prefix_info_t * prefix_info, u8 value) |
| { |
| dhcp6_pd_client_cp_main_t *rm = &dhcp6_pd_client_cp_main; |
| ip6_prefix_main_t *pm = &ip6_prefix_main; |
| u32 prefix_index; |
| |
| prefix_index = prefix_info - pm->prefix_pool; |
| rm->prefix_ownership_bitmap = |
| clib_bitmap_set (rm->prefix_ownership_bitmap, prefix_index, value); |
| } |
| |
| static void |
| cp_ip6_address_prefix_add_del_handler (u32 prefix_index, u8 is_add); |
| |
| static void |
| notify_prefix_add_del (u32 prefix_index, u8 is_add) |
| { |
| // TODO: use registries |
| cp_ip6_address_prefix_add_del_handler (prefix_index, is_add); |
| } |
| |
| static void |
| send_client_message_start_stop (u32 sw_if_index, u32 server_index, |
| u8 msg_type, prefix_info_t * prefix_list, |
| u8 start) |
| { |
| dhcp6_pd_client_cp_main_t *rm = &dhcp6_pd_client_cp_main; |
| dhcp6_pd_send_client_message_params_t params = { 0, }; |
| dhcp6_pd_send_client_message_params_prefix_t *prefixes = 0, *pref; |
| u32 i; |
| |
| ASSERT (sw_if_index < vec_len (rm->client_state_by_sw_if_index) && |
| rm->client_state_by_sw_if_index[sw_if_index].enabled); |
| client_state_t *client_state = |
| &rm->client_state_by_sw_if_index[sw_if_index]; |
| |
| params.sw_if_index = sw_if_index; |
| params.server_index = server_index; |
| params.msg_type = msg_type; |
| if (start) |
| { |
| if (msg_type == DHCPV6_MSG_SOLICIT) |
| { |
| params.irt = 1; |
| params.mrt = 120; |
| } |
| else if (msg_type == DHCPV6_MSG_REQUEST) |
| { |
| params.irt = 1; |
| params.mrt = 30; |
| params.mrc = 10; |
| } |
| else if (msg_type == DHCPV6_MSG_RENEW) |
| { |
| params.irt = 10; |
| params.mrt = 600; |
| f64 current_time = vlib_time_now (rm->vlib_main); |
| i32 diff_time = client_state->T2 - current_time; |
| if (diff_time < 0) |
| diff_time = 0; |
| params.mrd = diff_time; |
| } |
| else if (msg_type == DHCPV6_MSG_REBIND) |
| { |
| params.irt = 10; |
| params.mrt = 600; |
| f64 current_time = vlib_time_now (rm->vlib_main); |
| i32 diff_time = rm->max_valid_due_time - current_time; |
| if (diff_time < 0) |
| diff_time = 0; |
| params.mrd = diff_time; |
| } |
| else if (msg_type == DHCPV6_MSG_RELEASE) |
| { |
| params.mrc = 1; |
| } |
| } |
| |
| params.T1 = 0; |
| params.T2 = 0; |
| if (vec_len (prefix_list) != 0) |
| vec_validate (prefixes, vec_len (prefix_list) - 1); |
| for (i = 0; i < vec_len (prefix_list); i++) |
| { |
| prefix_info_t *prefix = &prefix_list[i]; |
| pref = &prefixes[i]; |
| pref->valid_lt = prefix->valid_lt; |
| pref->preferred_lt = prefix->preferred_lt; |
| pref->prefix = prefix->prefix; |
| pref->prefix_length = prefix->prefix_length; |
| } |
| params.prefixes = prefixes; |
| |
| dhcp6_pd_send_client_message (rm->vlib_main, sw_if_index, !start, ¶ms); |
| |
| vec_free (params.prefixes); |
| } |
| |
| static void interrupt_process (void); |
| |
| static u32 |
| ip6_enable (u32 sw_if_index) |
| { |
| dhcp6_pd_client_cp_main_t *rm = &dhcp6_pd_client_cp_main; |
| clib_error_t *rv; |
| |
| rv = enable_ip6_interface (rm->vlib_main, sw_if_index); |
| |
| return rv != 0; |
| } |
| |
| static u8 |
| ip6_prefixes_equal (ip6_address_t * prefix1, ip6_address_t * prefix2, u8 len) |
| { |
| if (len >= 64) |
| { |
| if (prefix1->as_u64[0] != prefix2->as_u64[0]) |
| return 0; |
| if (len == 64) |
| return 1; |
| return clib_net_to_host_u64 (prefix1->as_u64[1]) >> (128 - len) == |
| clib_net_to_host_u64 (prefix2->as_u64[1]) >> (128 - len); |
| } |
| return clib_net_to_host_u64 (prefix1->as_u64[0]) >> (64 - len) == |
| clib_net_to_host_u64 (prefix2->as_u64[0]) >> (64 - len); |
| } |
| |
| static clib_error_t * |
| dhcp6_pd_reply_event_handler (vl_api_dhcp6_pd_reply_event_t * mp) |
| { |
| dhcp6_pd_client_cp_main_t *rm = &dhcp6_pd_client_cp_main; |
| ip6_prefix_main_t *pm = &ip6_prefix_main; |
| vlib_main_t *vm = rm->vlib_main; |
| client_state_t *client_state; |
| ip6_address_t *prefix; |
| u32 sw_if_index; |
| u32 n_prefixes; |
| vl_api_dhcp6_pd_prefix_info_t *api_prefix; |
| u32 inner_status_code; |
| u32 status_code; |
| u32 server_index; |
| f64 current_time; |
| clib_error_t *error = 0; |
| u32 i; |
| |
| current_time = vlib_time_now (vm); |
| |
| sw_if_index = ntohl (mp->sw_if_index); |
| |
| if (sw_if_index >= vec_len (rm->client_state_by_sw_if_index)) |
| return 0; |
| |
| client_state = &rm->client_state_by_sw_if_index[sw_if_index]; |
| |
| if (!client_state->enabled) |
| return 0; |
| |
| server_index = ntohl (mp->server_index); |
| |
| n_prefixes = ntohl (mp->n_prefixes); |
| |
| inner_status_code = ntohs (mp->inner_status_code); |
| status_code = ntohs (mp->status_code); |
| |
| if (mp->msg_type == DHCPV6_MSG_ADVERTISE |
| && client_state->server_index == ~0) |
| { |
| prefix_info_t *prefix_list = 0, *prefix_info; |
| u8 prefix_length; |
| |
| if (inner_status_code == DHCPV6_STATUS_NOPREFIX_AVAIL) |
| { |
| clib_warning |
| ("Advertise message arrived with NoPrefixAvail status code"); |
| return 0; |
| } |
| |
| if (n_prefixes > 0) |
| vec_validate (prefix_list, n_prefixes - 1); |
| for (i = 0; i < n_prefixes; i++) |
| { |
| api_prefix = &mp->prefixes[i]; |
| prefix = (ip6_address_t *) api_prefix->prefix; |
| prefix_length = api_prefix->prefix_length; |
| |
| prefix_info = &prefix_list[i]; |
| prefix_info->prefix = *prefix; |
| prefix_info->prefix_length = prefix_length; |
| prefix_info->preferred_lt = 0; |
| prefix_info->valid_lt = 0; |
| } |
| |
| client_state->server_index = server_index; |
| |
| send_client_message_start_stop (sw_if_index, server_index, |
| DHCPV6_MSG_REQUEST, prefix_list, 1); |
| vec_free (prefix_list); |
| } |
| |
| if (mp->msg_type != DHCPV6_MSG_REPLY) |
| return 0; |
| |
| if (!client_state->rebinding && client_state->server_index != server_index) |
| { |
| clib_warning ("Reply message arrived with Server ID different " |
| "from that in Request or Renew message"); |
| return 0; |
| } |
| |
| if (inner_status_code == DHCPV6_STATUS_NOPREFIX_AVAIL) |
| { |
| clib_warning ("Reply message arrived with NoPrefixAvail status code"); |
| if (n_prefixes > 0) |
| { |
| clib_warning |
| ("Invalid Reply message arrived: It contains NoPrefixAvail " |
| "status code but also contains prefixes"); |
| return 0; |
| } |
| } |
| |
| if (status_code == DHCPV6_STATUS_UNSPEC_FAIL) |
| { |
| clib_warning ("Reply message arrived with UnspecFail status code"); |
| return 0; |
| } |
| |
| send_client_message_start_stop (sw_if_index, server_index, |
| mp->msg_type, 0, 0); |
| |
| for (i = 0; i < n_prefixes; i++) |
| { |
| prefix_info_t *prefix_info = 0; |
| u8 prefix_length; |
| u32 valid_time; |
| u32 preferred_time; |
| |
| api_prefix = &mp->prefixes[i]; |
| |
| prefix = (ip6_address_t *) api_prefix->prefix; |
| prefix_length = api_prefix->prefix_length; |
| |
| if (ip6_address_is_link_local_unicast (prefix)) |
| continue; |
| |
| valid_time = ntohl (api_prefix->valid_time); |
| preferred_time = ntohl (api_prefix->preferred_time); |
| prefix_length = api_prefix->prefix_length; |
| |
| if (preferred_time > valid_time) |
| continue; |
| |
| u8 address_prefix_present = 0; |
| /* *INDENT-OFF* */ |
| pool_foreach (prefix_info, pm->prefix_pool, |
| ({ |
| if (is_dhcpv6_pd_prefix (prefix_info) && |
| prefix_info->opaque_data == sw_if_index && |
| prefix_info->prefix_length == prefix_length && |
| ip6_prefixes_equal (&prefix_info->prefix, prefix, prefix_length)) |
| { |
| address_prefix_present = 1; |
| goto prefix_pool_foreach_out; |
| } |
| })); |
| /* *INDENT-ON* */ |
| prefix_pool_foreach_out: |
| |
| if (address_prefix_present) |
| { |
| prefix_info->preferred_lt = preferred_time; |
| prefix_info->valid_lt = valid_time; |
| prefix_info->due_time = current_time + valid_time; |
| if (prefix_info->due_time > rm->max_valid_due_time) |
| rm->max_valid_due_time = prefix_info->due_time; |
| continue; |
| } |
| |
| if (valid_time == 0) |
| continue; |
| |
| pool_get (pm->prefix_pool, prefix_info); |
| prefix_info->prefix_group_index = client_state->prefix_group_index; |
| set_is_dhcpv6_pd_prefix (prefix_info, 1); |
| prefix_info->opaque_data = sw_if_index; |
| prefix_info->prefix_length = prefix_length; |
| prefix_info->prefix = *prefix; |
| prefix_info->preferred_lt = preferred_time; |
| prefix_info->valid_lt = valid_time; |
| prefix_info->due_time = current_time + valid_time; |
| if (prefix_info->due_time > rm->max_valid_due_time) |
| rm->max_valid_due_time = prefix_info->due_time; |
| rm->client_state_by_sw_if_index[sw_if_index].prefix_count++; |
| |
| u32 prefix_index = prefix_info - pm->prefix_pool; |
| notify_prefix_add_del (prefix_index, 1); |
| } |
| |
| client_state->server_index = server_index; |
| client_state->T1 = ntohl (mp->T1); |
| client_state->T2 = ntohl (mp->T2); |
| if (client_state->T1 != 0) |
| client_state->T1_due_time = current_time + client_state->T1; |
| if (client_state->T2 != 0) |
| client_state->T2_due_time = current_time + client_state->T2; |
| client_state->rebinding = 0; |
| |
| interrupt_process (); |
| |
| return error; |
| } |
| |
| static prefix_info_t * |
| create_prefix_list (u32 sw_if_index) |
| { |
| ip6_prefix_main_t *pm = &ip6_prefix_main; |
| prefix_info_t *prefix_info, *prefix_list = 0;; |
| |
| /* *INDENT-OFF* */ |
| pool_foreach (prefix_info, pm->prefix_pool, |
| ({ |
| if (is_dhcpv6_pd_prefix (prefix_info) && |
| prefix_info->opaque_data == sw_if_index) |
| { |
| u32 pos = vec_len (prefix_list); |
| vec_validate (prefix_list, pos); |
| clib_memcpy (&prefix_list[pos], prefix_info, sizeof (*prefix_info)); |
| } |
| })); |
| /* *INDENT-ON* */ |
| |
| return prefix_list; |
| } |
| |
| VNET_DHCP6_PD_REPLY_EVENT_FUNCTION (dhcp6_pd_reply_event_handler); |
| |
| static uword |
| dhcp6_pd_client_cp_process (vlib_main_t * vm, vlib_node_runtime_t * rt, |
| vlib_frame_t * f) |
| { |
| dhcp6_pd_client_cp_main_t *rm = &dhcp6_pd_client_cp_main; |
| ip6_prefix_main_t *pm = &ip6_prefix_main; |
| prefix_info_t *prefix_info; |
| client_state_t *client_state; |
| f64 sleep_time = 1e9; |
| f64 current_time; |
| f64 due_time; |
| uword event_type; |
| uword *event_data = 0; |
| int i; |
| |
| while (1) |
| { |
| vlib_process_wait_for_event_or_clock (vm, sleep_time); |
| event_type = vlib_process_get_events (vm, &event_data); |
| vec_reset_length (event_data); |
| |
| if (event_type == DHCPV6_PD_EVENT_DISABLE) |
| { |
| vlib_node_set_state (vm, rm->node_index, VLIB_NODE_STATE_DISABLED); |
| sleep_time = 1e9; |
| continue; |
| } |
| |
| current_time = vlib_time_now (vm); |
| do |
| { |
| due_time = current_time + 1e9; |
| /* *INDENT-OFF* */ |
| pool_foreach (prefix_info, pm->prefix_pool, |
| ({ |
| if (is_dhcpv6_pd_prefix (prefix_info)) |
| { |
| if (prefix_info->due_time > current_time) |
| { |
| if (prefix_info->due_time < due_time) |
| due_time = prefix_info->due_time; |
| } |
| else |
| { |
| u32 prefix_index = prefix_info - pm->prefix_pool; |
| notify_prefix_add_del (prefix_index, 0); |
| u32 sw_if_index = prefix_info->opaque_data; |
| set_is_dhcpv6_pd_prefix (prefix_info, 0); |
| pool_put (pm->prefix_pool, prefix_info); |
| client_state = &rm->client_state_by_sw_if_index[sw_if_index]; |
| if (--client_state->prefix_count == 0) |
| { |
| client_state->rebinding = 0; |
| client_state->server_index = ~0; |
| send_client_message_start_stop (sw_if_index, ~0, |
| DHCPV6_MSG_SOLICIT, |
| 0, 1); |
| } |
| } |
| } |
| })); |
| /* *INDENT-ON* */ |
| for (i = 0; i < vec_len (rm->client_state_by_sw_if_index); i++) |
| { |
| client_state_t *cs = &rm->client_state_by_sw_if_index[i]; |
| if (cs->enabled && cs->server_index != ~0) |
| { |
| if (cs->T2_due_time > current_time) |
| { |
| if (cs->T2_due_time < due_time) |
| due_time = cs->T2_due_time; |
| if (cs->T1_due_time > current_time) |
| { |
| if (cs->T1_due_time < due_time) |
| due_time = cs->T1_due_time; |
| } |
| else |
| { |
| cs->T1_due_time = DBL_MAX; |
| prefix_info_t *prefix_list; |
| prefix_list = create_prefix_list (i); |
| send_client_message_start_stop (i, cs->server_index, |
| DHCPV6_MSG_RENEW, |
| prefix_list, 1); |
| vec_free (prefix_list); |
| } |
| } |
| else |
| { |
| cs->T2_due_time = DBL_MAX; |
| prefix_info_t *prefix_list; |
| prefix_list = create_prefix_list (i); |
| cs->rebinding = 1; |
| send_client_message_start_stop (i, ~0, |
| DHCPV6_MSG_REBIND, |
| prefix_list, 1); |
| vec_free (prefix_list); |
| } |
| } |
| } |
| current_time = vlib_time_now (vm); |
| } |
| while (due_time < current_time); |
| |
| sleep_time = due_time - current_time; |
| } |
| |
| return 0; |
| } |
| |
| /* *INDENT-OFF* */ |
| VLIB_REGISTER_NODE (dhcp6_pd_client_cp_process_node) = { |
| .function = dhcp6_pd_client_cp_process, |
| .type = VLIB_NODE_TYPE_PROCESS, |
| .name = "dhcp6-pd-client-cp-process", |
| }; |
| /* *INDENT-ON* */ |
| |
| static void |
| interrupt_process (void) |
| { |
| dhcp6_pd_client_cp_main_t *rm = &dhcp6_pd_client_cp_main; |
| vlib_main_t *vm = rm->vlib_main; |
| |
| vlib_process_signal_event (vm, dhcp6_pd_client_cp_process_node.index, |
| DHCPV6_PD_EVENT_INTERRUPT, 0); |
| } |
| |
| static void |
| disable_process (void) |
| { |
| dhcp6_pd_client_cp_main_t *rm = &dhcp6_pd_client_cp_main; |
| vlib_main_t *vm = rm->vlib_main; |
| |
| vlib_process_signal_event (vm, dhcp6_pd_client_cp_process_node.index, |
| DHCPV6_PD_EVENT_DISABLE, 0); |
| } |
| |
| static void |
| enable_process (void) |
| { |
| dhcp6_pd_client_cp_main_t *rm = &dhcp6_pd_client_cp_main; |
| vlib_main_t *vm = rm->vlib_main; |
| vlib_node_t *node; |
| |
| node = vec_elt (vm->node_main.nodes, rm->node_index); |
| |
| vlib_node_set_state (vm, rm->node_index, VLIB_NODE_STATE_POLLING); |
| vlib_start_process (vm, node->runtime_index); |
| } |
| |
| static u32 |
| cp_ip6_construct_address (ip6_address_info_t * address_info, u32 prefix_index, |
| ip6_address_t * r_addr) |
| { |
| ip6_prefix_main_t *pm = &ip6_prefix_main; |
| prefix_info_t *prefix; |
| u64 mask, addr0, pref; |
| |
| addr0 = clib_net_to_host_u64 (address_info->address.as_u64[0]); |
| prefix = &pm->prefix_pool[prefix_index]; |
| if (prefix->prefix_length > 64) |
| { |
| clib_warning ("Prefix length is bigger that 64 bits"); |
| return 1; |
| } |
| mask = ((u64) 1 << (64 - prefix->prefix_length)) - 1; |
| addr0 &= mask; |
| pref = clib_host_to_net_u64 (prefix->prefix.as_u64[0]); |
| pref &= ~mask; |
| addr0 |= pref; |
| r_addr->as_u64[0] = clib_host_to_net_u64 (addr0); |
| r_addr->as_u64[1] = address_info->address.as_u64[1]; |
| |
| return 0; |
| } |
| |
| static void |
| cp_ip6_address_add_del_now (ip6_address_info_t * address_info, u8 is_add) |
| { |
| vlib_main_t *vm = vlib_get_main (); |
| u32 prefix_index; |
| ip6_address_t addr; |
| clib_error_t *error; |
| |
| if (address_info->prefix_group_index != ~0) |
| prefix_index = |
| active_prefix_index_by_prefix_group_index_get |
| (address_info->prefix_group_index); |
| else |
| prefix_index = ~0; |
| |
| if (is_add && !address_info->configured_in_data_plane) |
| { |
| if (prefix_index != ~0) |
| { |
| if (cp_ip6_construct_address (address_info, prefix_index, &addr) != |
| 0) |
| return; |
| error = |
| ip6_add_del_interface_address (vm, address_info->sw_if_index, |
| &addr, address_info->prefix_length, |
| 0 /* add */ ); |
| if (error) |
| clib_warning ("Failed adding IPv6 address: %U", |
| format_clib_error, error); |
| else |
| address_info->configured_in_data_plane = 1; |
| } |
| else |
| { |
| if (address_info->prefix_group_index == ~0) |
| { |
| error = |
| ip6_add_del_interface_address (vm, address_info->sw_if_index, |
| &address_info->address, |
| address_info->prefix_length, |
| 0 /* add */ ); |
| if (error) |
| clib_warning ("Failed adding IPv6 address: %U", |
| format_clib_error, error); |
| else |
| address_info->configured_in_data_plane = 1; |
| } |
| } |
| } |
| else if (!is_add && address_info->configured_in_data_plane) |
| { |
| if (prefix_index == ~0) |
| { |
| if (address_info->prefix_group_index == ~0) |
| { |
| error = |
| ip6_add_del_interface_address (vm, address_info->sw_if_index, |
| &address_info->address, |
| address_info->prefix_length, |
| 1 /* del */ ); |
| if (error) |
| clib_warning ("Failed deleting IPv6 address: %U", |
| format_clib_error, error); |
| address_info->configured_in_data_plane = 0; |
| } |
| else |
| clib_warning ("Deleting address with prefix " |
| "but active prefix index is not set"); |
| } |
| else |
| { |
| if (cp_ip6_construct_address (address_info, prefix_index, &addr) != |
| 0) |
| return; |
| error = |
| ip6_add_del_interface_address (vm, address_info->sw_if_index, |
| &addr, address_info->prefix_length, |
| 1 /* del */ ); |
| if (error) |
| clib_warning ("Failed deleting IPv6 address: %U", |
| format_clib_error, error); |
| address_info->configured_in_data_plane = 0; |
| } |
| } |
| } |
| |
| static u32 |
| cp_ip6_address_find_new_active_prefix (u32 prefix_group_index, |
| u32 ignore_prefix_index) |
| { |
| ip6_prefix_main_t *pm = &ip6_prefix_main; |
| prefix_info_t *prefix_info; |
| |
| /* *INDENT-OFF* */ |
| pool_foreach (prefix_info, pm->prefix_pool, |
| ({ |
| if (prefix_info->prefix_group_index == prefix_group_index && |
| prefix_info - pm->prefix_pool != ignore_prefix_index) |
| return prefix_info - pm->prefix_pool; |
| })); |
| /* *INDENT-ON* */ |
| return ~0; |
| } |
| |
| static void |
| cp_ip6_address_prefix_add_del_handler (u32 prefix_index, u8 is_add) |
| { |
| ip6_address_with_prefix_main_t *apm = &ip6_address_with_prefix_main; |
| ip6_prefix_main_t *pm = &ip6_prefix_main; |
| ip6_address_info_t *address_info; |
| prefix_info_t *prefix; |
| u32 new_prefix_index; |
| u32 prefix_group_index; |
| u32 i; |
| |
| prefix = &pm->prefix_pool[prefix_index]; |
| prefix_group_index = prefix->prefix_group_index; |
| |
| if (is_add) |
| { |
| if (active_prefix_index_by_prefix_group_index_get |
| (prefix_group_index) == ~0) |
| { |
| active_prefix_index_by_prefix_group_index_set |
| (prefix_group_index, prefix_index); |
| for (i = 0; i < vec_len (apm->addresses); i++) |
| { |
| address_info = &apm->addresses[i]; |
| if (address_info->prefix_group_index == prefix_group_index) |
| cp_ip6_address_add_del_now (address_info, 1 /* add */ ); |
| } |
| } |
| } |
| else |
| { |
| if (active_prefix_index_by_prefix_group_index_get |
| (prefix_group_index) == prefix_index) |
| { |
| for (i = 0; i < vec_len (apm->addresses); i++) |
| { |
| address_info = &apm->addresses[i]; |
| if (address_info->prefix_group_index == prefix_group_index) |
| cp_ip6_address_add_del_now (address_info, 0 /* del */ ); |
| } |
| active_prefix_index_by_prefix_group_index_set |
| (prefix_group_index, ~0); |
| new_prefix_index = |
| cp_ip6_address_find_new_active_prefix (prefix_group_index, |
| prefix_index); |
| if (new_prefix_index != ~0) |
| { |
| active_prefix_index_by_prefix_group_index_set |
| (prefix_group_index, new_prefix_index); |
| for (i = 0; i < vec_len (apm->addresses); i++) |
| { |
| address_info = &apm->addresses[i]; |
| if (address_info->prefix_group_index == prefix_group_index) |
| cp_ip6_address_add_del_now (address_info, 1 /* add */ ); |
| } |
| } |
| } |
| } |
| } |
| |
| static u32 |
| prefix_group_find_or_create (const u8 * name, u8 create) |
| { |
| ip6_prefix_main_t *pm = &ip6_prefix_main; |
| u32 free_index = ~0; |
| u8 *name_dup; |
| u32 i; |
| |
| for (i = 0; i < vec_len (pm->prefix_group_name_by_index); i++) |
| { |
| if (pm->prefix_group_name_by_index[i] == 0) |
| free_index = i; |
| else if (0 == |
| strcmp ((const char *) pm->prefix_group_name_by_index[i], |
| (const char *) name)) |
| return i; |
| } |
| if (!create) |
| return ~0; |
| name_dup = (u8 *) strdup ((const char *) name); |
| if (free_index != ~0) |
| { |
| pm->prefix_group_name_by_index[free_index] = name_dup; |
| return free_index; |
| } |
| else |
| { |
| vec_add1 (pm->prefix_group_name_by_index, name_dup); |
| return vec_len (pm->prefix_group_name_by_index) - 1; |
| } |
| } |
| |
| static int |
| cp_ip6_address_add_del (u32 sw_if_index, const u8 * prefix_group, |
| ip6_address_t address, u8 prefix_length, u8 is_add) |
| { |
| |
| ip6_address_with_prefix_main_t *apm = &ip6_address_with_prefix_main; |
| vnet_main_t *vnm = vnet_get_main (); |
| ip6_address_info_t *address_info; |
| u32 prefix_group_index; |
| u32 n; |
| |
| if (!vnet_sw_interface_is_api_valid (vnm, sw_if_index)) |
| { |
| clib_warning ("Invalid sw_if_index"); |
| return VNET_API_ERROR_INVALID_VALUE; |
| } |
| |
| if (prefix_group != 0 && prefix_group[0] != '\0') |
| { |
| if (strnlen ((const char *) prefix_group, 64) == 64) |
| return VNET_API_ERROR_INVALID_VALUE; |
| |
| prefix_group_index = prefix_group_find_or_create (prefix_group, 1); |
| } |
| else |
| prefix_group_index = ~0; |
| |
| n = vec_len (apm->addresses); |
| |
| vec_foreach (address_info, apm->addresses) |
| { |
| if (address_info->sw_if_index == sw_if_index && |
| address_info->prefix_group_index == prefix_group_index && |
| address_info->prefix_length == prefix_length && |
| 0 == memcmp (&address_info->address, &address, 16)) |
| { |
| if (is_add) |
| return VNET_API_ERROR_DUPLICATE_IF_ADDRESS; |
| cp_ip6_address_add_del_now (address_info, 0 /* del */ ); |
| *address_info = apm->addresses[n - 1]; |
| _vec_len (apm->addresses) = n - 1; |
| return 0; |
| } |
| } |
| |
| if (!is_add) |
| return VNET_API_ERROR_ADDRESS_NOT_FOUND_FOR_INTERFACE; |
| |
| vec_validate (apm->addresses, n); |
| address_info = &apm->addresses[n]; |
| address_info->sw_if_index = sw_if_index; |
| address_info->prefix_group_index = prefix_group_index; |
| address_info->address = address; |
| address_info->prefix_length = prefix_length; |
| cp_ip6_address_add_del_now (address_info, 1 /* add */ ); |
| |
| return 0; |
| } |
| |
| static void |
| vl_api_ip6_add_del_address_using_prefix_t_handler |
| (vl_api_ip6_add_del_address_using_prefix_t * mp) |
| { |
| vl_api_ip6_add_del_address_using_prefix_reply_t *rmp; |
| u32 sw_if_index; |
| ip6_address_t address; |
| u8 prefix_length; |
| int rv = 0; |
| |
| VALIDATE_SW_IF_INDEX (mp); |
| |
| sw_if_index = ntohl (mp->sw_if_index); |
| |
| memcpy (address.as_u8, mp->address, 16); |
| prefix_length = mp->prefix_length; |
| |
| rv = |
| cp_ip6_address_add_del (sw_if_index, mp->prefix_group, address, |
| prefix_length, mp->is_add); |
| |
| BAD_SW_IF_INDEX_LABEL; |
| |
| REPLY_MACRO (VL_API_SW_INTERFACE_SET_TABLE_REPLY); |
| } |
| |
| static clib_error_t * |
| cp_ip6_address_add_del_command_function (vlib_main_t * vm, |
| unformat_input_t * input, |
| vlib_cli_command_t * cmd) |
| { |
| vnet_main_t *vnm = vnet_get_main (); |
| clib_error_t *error = 0; |
| u32 sw_if_index = ~0; |
| u8 *prefix_group = 0; |
| ip6_address_t address; |
| u32 prefix_length; |
| u8 address_set = 0; |
| u8 add = 1; |
| |
| while (unformat_check_input (input) != UNFORMAT_END_OF_INPUT) |
| { |
| if (unformat |
| (input, "%U", unformat_vnet_sw_interface, vnm, &sw_if_index)); |
| else if (unformat (input, "prefix group %s", &prefix_group)); |
| else |
| if (unformat |
| (input, "%U/%d", unformat_ip6_address, &address, &prefix_length)) |
| address_set = 1; |
| else if (unformat (input, "del")) |
| add = 0; |
| else |
| { |
| error = clib_error_return (0, "unexpected input `%U'", |
| format_unformat_error, input); |
| goto done; |
| } |
| } |
| |
| if (sw_if_index == ~0) |
| error = clib_error_return (0, "Missing sw_if_index"); |
| else if (address_set == 0) |
| error = clib_error_return (0, "Missing address"); |
| else |
| { |
| if (cp_ip6_address_add_del |
| (sw_if_index, prefix_group, address, prefix_length, add) != 0) |
| error = clib_error_return (0, "Error adding or removing address"); |
| } |
| |
| done: |
| return error; |
| } |
| |
| /*? |
| * This command is used to add/delete IPv6 address |
| * potentially using available prefix from specified prefix group |
| * |
| * @cliexpar |
| * @parblock |
| * Example of how to add IPv6 address: |
| * @cliexcmd{set ip6 address GigabitEthernet2/0/0 |
| * prefix group my-prefix-group ::7/64} |
| * Example of how to delete IPv6 address: |
| * @cliexcmd{set ip6 address GigabitEthernet2/0/0 |
| * prefix group my-prefix-group ::7/64 del} |
| * @endparblock |
| ?*/ |
| /* *INDENT-OFF* */ |
| VLIB_CLI_COMMAND (ip6_address_add_del_command, static) = { |
| .path = "set ip6 address", |
| .short_help = "set ip6 address <interface> [prefix group <string>] " |
| "<address> [del]", |
| .function = cp_ip6_address_add_del_command_function, |
| }; |
| /* *INDENT-ON* */ |
| |
| static clib_error_t * |
| cp_ip6_addresses_show_command_function (vlib_main_t * vm, |
| unformat_input_t * input, |
| vlib_cli_command_t * cmd) |
| { |
| ip6_address_with_prefix_main_t *apm = &ip6_address_with_prefix_main; |
| ip6_prefix_main_t *pm = &ip6_prefix_main; |
| ip6_address_info_t *address_info; |
| const u8 *prefix_group; |
| clib_error_t *error = 0; |
| int i; |
| |
| for (i = 0; i < vec_len (apm->addresses); i++) |
| { |
| address_info = &apm->addresses[i]; |
| if (address_info->prefix_group_index == ~0) |
| prefix_group = (const u8 *) "NONE"; |
| else |
| prefix_group = |
| pm->prefix_group_name_by_index[address_info->prefix_group_index]; |
| vlib_cli_output (vm, |
| "sw_if_index: %u, prefix_group: %s, address: %U/%d", |
| address_info->sw_if_index, prefix_group, |
| format_ip6_address, &address_info->address, |
| address_info->prefix_length); |
| } |
| |
| return error; |
| } |
| |
| /* *INDENT-OFF* */ |
| VLIB_CLI_COMMAND (ip6_addresses_show_command, static) = { |
| .path = "show ip6 addresses", |
| .short_help = "show ip6 addresses", |
| .function = cp_ip6_addresses_show_command_function, |
| }; |
| /* *INDENT-ON* */ |
| |
| static clib_error_t * |
| cp_ip6_prefixes_show_command_function (vlib_main_t * vm, |
| unformat_input_t * input, |
| vlib_cli_command_t * cmd) |
| { |
| ip6_prefix_main_t *pm = &ip6_prefix_main; |
| clib_error_t *error = 0; |
| prefix_info_t *prefix_info; |
| const u8 *prefix_group; |
| f64 current_time = vlib_time_now (vm); |
| |
| /* *INDENT-OFF* */ |
| pool_foreach (prefix_info, pm->prefix_pool, |
| ({ |
| prefix_group = |
| pm->prefix_group_name_by_index[prefix_info->prefix_group_index]; |
| vlib_cli_output (vm, "opaque_data: %lu, prefix: %U/%d, prefix group: %s, " |
| "preferred lifetime: %u, valid lifetime: %u " |
| "(%f remaining)", |
| prefix_info->opaque_data, format_ip6_address, |
| &prefix_info->prefix, prefix_info->prefix_length, |
| prefix_group, |
| prefix_info->preferred_lt, prefix_info->valid_lt, |
| prefix_info->due_time - current_time); |
| })); |
| /* *INDENT-ON* */ |
| |
| return error; |
| } |
| |
| /* *INDENT-OFF* */ |
| VLIB_CLI_COMMAND (ip6_prefixes_show_command, static) = { |
| .path = "show ip6 prefixes", |
| .short_help = "show ip6 prefixes", |
| .function = cp_ip6_prefixes_show_command_function, |
| }; |
| /* *INDENT-ON* */ |
| |
| static clib_error_t * |
| ip6_pd_clients_show_command_function (vlib_main_t * vm, |
| unformat_input_t * input, |
| vlib_cli_command_t * cmd) |
| { |
| dhcp6_pd_client_cp_main_t *rm = &dhcp6_pd_client_cp_main; |
| ip6_prefix_main_t *pm = &ip6_prefix_main; |
| clib_error_t *error = 0; |
| client_state_t *cs; |
| f64 current_time = vlib_time_now (vm); |
| const u8 *prefix_group; |
| char buf1[256]; |
| char buf2[256]; |
| const char *rebinding; |
| u32 i; |
| |
| for (i = 0; i < vec_len (rm->client_state_by_sw_if_index); i++) |
| { |
| cs = &rm->client_state_by_sw_if_index[i]; |
| if (cs->enabled) |
| { |
| if (cs->T1_due_time != DBL_MAX && cs->T1_due_time > current_time) |
| { |
| sprintf (buf1, "%u remaining", |
| (u32) round (cs->T1_due_time - current_time)); |
| } |
| else |
| sprintf (buf1, "timeout"); |
| if (cs->T2_due_time != DBL_MAX && cs->T2_due_time > current_time) |
| sprintf (buf2, "%u remaining", |
| (u32) round (cs->T2_due_time - current_time)); |
| else |
| sprintf (buf2, "timeout"); |
| if (cs->rebinding) |
| rebinding = ", REBINDING"; |
| else |
| rebinding = ""; |
| prefix_group = |
| pm->prefix_group_name_by_index[cs->prefix_group_index]; |
| if (cs->T1) |
| vlib_cli_output (vm, |
| "sw_if_index: %u, prefix group: %s, T1: %u (%s), " |
| "T2: %u (%s), server index: %d%s", i, |
| prefix_group, cs->T1, buf1, cs->T2, buf2, |
| cs->server_index, rebinding); |
| else |
| vlib_cli_output (vm, "sw_if_index: %u, prefix group: %s%s", i, |
| prefix_group, rebinding); |
| } |
| } |
| |
| return error; |
| } |
| |
| /* *INDENT-OFF* */ |
| VLIB_CLI_COMMAND (ip6_pd_clients_show_command, static) = { |
| .path = "show ip6 pd clients", |
| .short_help = "show ip6 pd clients", |
| .function = ip6_pd_clients_show_command_function, |
| }; |
| /* *INDENT-ON* */ |
| |
| static int |
| dhcp6_pd_client_enable_disable (u32 sw_if_index, const u8 * prefix_group, |
| u8 enable) |
| { |
| dhcp6_pd_client_cp_main_t *rm = &dhcp6_pd_client_cp_main; |
| ip6_prefix_main_t *pm = &ip6_prefix_main; |
| vnet_main_t *vnm = rm->vnet_main; |
| client_state_t *client_state; |
| static client_state_t empty_config = { |
| 0 |
| }; |
| prefix_info_t *prefix_info; |
| prefix_info_t *prefix_list = 0; |
| u32 prefix_group_index; |
| |
| if (!vnet_sw_interface_is_api_valid (vnm, sw_if_index)) |
| { |
| clib_warning ("Invalid sw_if_index"); |
| return VNET_API_ERROR_INVALID_VALUE; |
| } |
| |
| vec_validate_init_empty (rm->client_state_by_sw_if_index, sw_if_index, |
| empty_config); |
| client_state = &rm->client_state_by_sw_if_index[sw_if_index]; |
| |
| u8 old_enabled = client_state->enabled; |
| |
| if (enable) |
| { |
| if (strnlen ((const char *) prefix_group, 64) == 64 |
| || prefix_group[0] == '\0') |
| return VNET_API_ERROR_INVALID_VALUE; |
| prefix_group_index = |
| prefix_group_find_or_create (prefix_group, !old_enabled); |
| if (old_enabled |
| && prefix_group_index != client_state->prefix_group_index) |
| return VNET_API_ERROR_INVALID_VALUE; |
| } |
| |
| if (!old_enabled && enable) |
| { |
| client_state->enabled = 1; |
| client_state->prefix_group_index = prefix_group_index; |
| ASSERT (client_state->prefix_group_index != ~0); |
| client_state->server_index = ~0; |
| |
| rm->n_clients++; |
| if (rm->n_clients == 1) |
| { |
| enable_process (); |
| dhcp6_clients_enable_disable (1); |
| } |
| |
| ip6_enable (sw_if_index); |
| send_client_message_start_stop (sw_if_index, ~0, DHCPV6_MSG_SOLICIT, |
| 0, 1); |
| } |
| else if (old_enabled && !enable) |
| { |
| send_client_message_start_stop (sw_if_index, ~0, ~0, 0, 0); |
| |
| rm->n_clients--; |
| if (rm->n_clients == 0) |
| { |
| dhcp6_clients_enable_disable (0); |
| disable_process (); |
| } |
| |
| vec_validate (prefix_list, 0); |
| |
| /* *INDENT-OFF* */ |
| pool_foreach (prefix_info, pm->prefix_pool, |
| ({ |
| if (is_dhcpv6_pd_prefix (prefix_info) && |
| prefix_info->opaque_data == sw_if_index) |
| { |
| ASSERT (sw_if_index < vec_len (rm->client_state_by_sw_if_index) && |
| rm->client_state_by_sw_if_index[sw_if_index].enabled); |
| client_state_t *client_state = |
| &rm->client_state_by_sw_if_index[sw_if_index]; |
| prefix_list[0] = *prefix_info; |
| send_client_message_start_stop (sw_if_index, |
| client_state->server_index, |
| DHCPV6_MSG_RELEASE, prefix_list, |
| 1); |
| u32 prefix_index = prefix_info - pm->prefix_pool; |
| notify_prefix_add_del (prefix_index, 0); |
| set_is_dhcpv6_pd_prefix (prefix_info, 0); |
| pool_put (pm->prefix_pool, prefix_info); |
| } |
| })); |
| /* *INDENT-ON* */ |
| |
| vec_free (prefix_list); |
| |
| clib_memset (client_state, 0, sizeof (*client_state)); |
| } |
| |
| return 0; |
| } |
| |
| static clib_error_t * |
| dhcp6_pd_client_enable_disable_command_fn (vlib_main_t * |
| vm, |
| unformat_input_t |
| * input, vlib_cli_command_t * cmd) |
| { |
| dhcp6_pd_client_cp_main_t *rm = &dhcp6_pd_client_cp_main; |
| vnet_main_t *vnm = rm->vnet_main; |
| clib_error_t *error = 0; |
| u8 *prefix_group = 0; |
| u32 sw_if_index = ~0; |
| u8 enable = 1; |
| unformat_input_t _line_input, *line_input = &_line_input; |
| |
| if (!unformat_user (input, unformat_line_input, line_input)) |
| return 0; |
| |
| while (unformat_check_input (line_input) != UNFORMAT_END_OF_INPUT) |
| { |
| if (unformat |
| (line_input, "%U", unformat_vnet_sw_interface, vnm, &sw_if_index)) |
| ; |
| else if (unformat (line_input, "prefix group %s", &prefix_group)); |
| else if (unformat (line_input, "disable")) |
| enable = 0; |
| else |
| { |
| error = clib_error_return (0, "unexpected input `%U'", |
| format_unformat_error, line_input); |
| goto done; |
| } |
| } |
| |
| if (prefix_group == 0 && enable) |
| error = clib_error_return (0, "Prefix group must be set when enabling"); |
| else if (sw_if_index != ~0) |
| { |
| if (dhcp6_pd_client_enable_disable (sw_if_index, prefix_group, enable) |
| != 0) |
| error = clib_error_return (0, "Invalid sw_if_index or prefix group"); |
| } |
| else |
| error = clib_error_return (0, "Missing sw_if_index"); |
| |
| done: |
| vec_free (prefix_group); |
| unformat_free (line_input); |
| |
| return error; |
| } |
| |
| /*? |
| * This command is used to enable/disable DHCPv6 PD client |
| * on particular interface. |
| * |
| * @cliexpar |
| * @parblock |
| * Example of how to enable DHCPv6 PD client: |
| * @cliexcmd{dhcp6 pd client GigabitEthernet2/0/0 prefix group my-pd-group} |
| * Example of how to disable DHCPv6 PD client: |
| * @cliexcmd{dhcp6 pd client GigabitEthernet2/0/0 disable} |
| * @endparblock |
| ?*/ |
| /* *INDENT-OFF* */ |
| VLIB_CLI_COMMAND (dhcp6_pd_client_enable_disable_command, static) = { |
| .path = "dhcp6 pd client", |
| .short_help = "dhcp6 pd client <interface> (prefix group <string> | disable)", |
| .function = dhcp6_pd_client_enable_disable_command_fn, |
| }; |
| /* *INDENT-ON* */ |
| |
| static void |
| vl_api_dhcp6_pd_client_enable_disable_t_handler |
| (vl_api_dhcp6_pd_client_enable_disable_t * mp) |
| { |
| vl_api_dhcp6_pd_client_enable_disable_reply_t *rmp; |
| u32 sw_if_index; |
| int rv = 0; |
| |
| VALIDATE_SW_IF_INDEX (mp); |
| |
| sw_if_index = ntohl (mp->sw_if_index); |
| |
| rv = |
| dhcp6_pd_client_enable_disable (sw_if_index, mp->prefix_group, |
| mp->enable); |
| |
| BAD_SW_IF_INDEX_LABEL; |
| |
| REPLY_MACRO (VL_API_SW_INTERFACE_SET_TABLE_REPLY); |
| } |
| |
| #define vl_msg_name_crc_list |
| #include <vnet/dhcp/dhcp6_pd_client_cp.api.h> |
| #undef vl_msg_name_crc_list |
| |
| static void |
| setup_message_id_table (api_main_t * am) |
| { |
| #define _(id,n,crc) vl_msg_api_add_msg_name_crc (am, #n "_" #crc, id); |
| foreach_vl_msg_name_crc_dhcp6_pd_client_cp; |
| #undef _ |
| } |
| |
| static clib_error_t * |
| dhcp_pd_client_cp_init (vlib_main_t * vm) |
| { |
| dhcp6_pd_client_cp_main_t *rm = &dhcp6_pd_client_cp_main; |
| api_main_t *am = &api_main; |
| |
| rm->vlib_main = vm; |
| rm->vnet_main = vnet_get_main (); |
| rm->api_main = am; |
| rm->node_index = dhcp6_pd_client_cp_process_node.index; |
| |
| #define _(N,n) \ |
| vl_msg_api_set_handlers(VL_API_##N, #n, \ |
| vl_api_##n##_t_handler, \ |
| vl_noop_handler, \ |
| vl_api_##n##_t_endian, \ |
| vl_api_##n##_t_print, \ |
| sizeof(vl_api_##n##_t), 0/* do NOT trace! */); |
| foreach_dhcp6_pd_client_cp_msg; |
| #undef _ |
| |
| /* |
| * Set up the (msg_name, crc, message-id) table |
| */ |
| setup_message_id_table (am); |
| |
| return 0; |
| } |
| |
| VLIB_INIT_FUNCTION (dhcp_pd_client_cp_init); |
| |
| /* |
| * fd.io coding-style-patch-verification: ON |
| * |
| * Local Variables: |
| * eval: (c-set-style "gnu") |
| * End: |
| */ |