/* * 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 #include #include #include #include #include #include #include #include #include #define vl_typedefs /* define message structures */ #include #undef vl_typedefs #define vl_endianfun /* define message structures */ #include #undef vl_endianfun #include #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 (m
/*
 * Copyright (c) 2017 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 <vppinfra/error.h>
#include "tw_timer_16t_1w_2048sl.h"
#include "tw_timer_template.c"

/*
 * fd.io coding-style-patch-verification: ON
 *
 * Local Variables:
 * eval: (c-set-style "gnu")
 * End:
 */
/ 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 [prefix group ] " "
[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); 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; 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, "disable")) enable = 0; else { error = clib_error_return (0, "unexpected input `%U'", format_unformat_error, 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); 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 (prefix group | 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 #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: */