mbed-os/connectivity/nanostack/sal-stack-nanostack/source/6LoWPAN/ws/ws_bootstrap_6ln.c

280 lines
8.9 KiB
C

/*
* Copyright (c) 2021, Pelion and affiliates.
* SPDX-License-Identifier: Apache-2.0
*
* 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 <string.h>
#include "nsconfig.h"
#if defined(HAVE_WS) && defined(HAVE_WS_HOST)
#include "ns_types.h"
#include "ns_trace.h"
#include "nsdynmemLIB.h"
#include "net_interface.h"
#include "eventOS_event.h"
#include "randLIB.h"
#include "common_functions.h"
#include "mac_common_defines.h"
#include "sw_mac.h"
#include "ccmLIB.h"
#include "Core/include/ns_monitor.h"
#include "NWK_INTERFACE/Include/protocol.h"
#include "6LoWPAN/Bootstraps/protocol_6lowpan.h"
#include "6LoWPAN/Bootstraps/protocol_6lowpan_interface.h"
#include "ipv6_stack/protocol_ipv6.h"
#include "ipv6_stack/ipv6_routing_table.h"
#include "6LoWPAN/MAC/mac_helper.h"
#include "6LoWPAN/MAC/mac_data_poll.h"
#include "6LoWPAN/MAC/mpx_api.h"
#include "6LoWPAN/MAC/mac_ie_lib.h"
#include "MPL/mpl.h"
#include "RPL/rpl_protocol.h"
#include "RPL/rpl_control.h"
#include "RPL/rpl_data.h"
#include "RPL/rpl_policy.h"
#include "Common_Protocols/icmpv6.h"
#include "Common_Protocols/icmpv6_radv.h"
#include "Common_Protocols/ipv6_constants.h"
#include "Common_Protocols/ip.h"
#include "Service_Libs/Trickle/trickle.h"
#include "Service_Libs/fhss/channel_list.h"
#include "Service_Libs/utils/ns_time.h"
#include "6LoWPAN/ws/ws_common_defines.h"
#include "6LoWPAN/ws/ws_common_defines.h"
#include "6LoWPAN/ws/ws_config.h"
#include "6LoWPAN/ws/ws_common.h"
#include "6LoWPAN/ws/ws_bootstrap.h"
#include "6LoWPAN/ws/ws_bbr_api_internal.h"
#include "6LoWPAN/ws/ws_common_defines.h"
#include "6LoWPAN/ws/ws_llc.h"
#include "6LoWPAN/ws/ws_neighbor_class.h"
#include "6LoWPAN/ws/ws_ie_lib.h"
#include "6LoWPAN/ws/ws_stats.h"
#include "6LoWPAN/ws/ws_cfg_settings.h"
#include "6LoWPAN/lowpan_adaptation_interface.h"
#include "Service_Libs/etx/etx.h"
#include "Service_Libs/mac_neighbor_table/mac_neighbor_table.h"
#include "Service_Libs/nd_proxy/nd_proxy.h"
#include "Service_Libs/blacklist/blacklist.h"
#include "platform/topo_trace.h"
#include "dhcp_service_api.h"
#include "libDHCPv6/libDHCPv6.h"
#include "libDHCPv6/libDHCPv6_vendordata.h"
#include "DHCPv6_client/dhcpv6_client_api.h"
#include "ws_management_api.h"
#include "net_rpl.h"
#include "mac_api.h"
#include "6LoWPAN/ws/ws_pae_controller.h"
#include "6LoWPAN/ws/ws_eapol_pdu.h"
#include "6LoWPAN/ws/ws_eapol_auth_relay.h"
#include "6LoWPAN/ws/ws_eapol_relay.h"
#include "libNET/src/net_dns_internal.h"
#include "Service_Libs/random_early_detection/random_early_detection_api.h"
#define TRACE_GROUP "wsbs"
void ws_bootstrap_6ln_asynch_ind(struct protocol_interface_info_entry *cur, const struct mcps_data_ind_s *data, const struct mcps_data_ie_list *ie_ext, uint8_t message_type)
{
(void)ie_ext;
// Store weakest heard packet RSSI
if (cur->ws_info->weakest_received_rssi > data->signal_dbm) {
cur->ws_info->weakest_received_rssi = data->signal_dbm;
}
if (data->SrcAddrMode != MAC_ADDR_MODE_64_BIT) {
// Not from long address
return;
}
ws_stats_update(cur, STATS_WS_ASYNCH_RX, 1);
tr_warn("Wi-SUN LFN Mode received message id: %x", message_type);
}
void ws_bootstrap_6ln_asynch_confirm(struct protocol_interface_info_entry *interface, uint8_t asynch_message)
{
(void)asynch_message;
ws_stats_update(interface, STATS_WS_ASYNCH_TX, 1);
}
bool ws_bootstrap_6ln_eapol_relay_state_active(protocol_interface_info_entry_t *cur)
{
(void) cur;
return false;
}
void ws_bootstrap_6ln_event_handler(protocol_interface_info_entry_t *cur, arm_event_s *event)
{
(void)cur;
ws_bootsrap_event_type_e event_type;
event_type = (ws_bootsrap_event_type_e)event->event_type;
switch (event_type) {
case WS_INIT_EVENT:
tr_debug("tasklet init");
break;
/* case WS_DISCOVERY_START:
case WS_CONFIGURATION_START:
case WS_OPERATION_START:
case WS_ROUTING_READY:
case WS_FAST_DISCONNECT:
case WS_NORMAL_DISCONNECT:
*/
default:
tr_err("Invalid event received");
break;
}
}
void ws_bootstrap_6ln_state_machine(protocol_interface_info_entry_t *cur)
{
switch (cur->nwk_bootstrap_state) {
case ER_WAIT_RESTART:
tr_debug("WS SM:Wait for startup");
break;
case ER_ACTIVE_SCAN:
tr_debug("WS SM:Active Scan");
break;
case ER_SCAN:
tr_debug("WS SM:configuration Scan");
break;
case ER_PANA_AUTH:
tr_info("authentication start");
// Advertisements stopped during the EAPOL
break;
case ER_RPL_SCAN:
tr_debug("WS SM:Wait RPL to contact DODAG root");
break;
case ER_BOOTSRAP_DONE:
tr_info("WS SM:Bootstrap Done");
// Bootstrap_done event to application
break;
case ER_RPL_NETWORK_LEAVING:
tr_debug("WS SM:RPL Leaving ready trigger discovery");
break;
default:
tr_warn("WS SM:Invalid state %d", cur->nwk_bootstrap_state);
}
}
void ws_bootstrap_6ln_seconds_timer(protocol_interface_info_entry_t *cur, uint32_t seconds)
{
(void)cur;
(void)seconds;
}
int8_t ws_bootstrap_6ln_up(protocol_interface_info_entry_t *cur)
{
int8_t ret_val = -1;
if (!cur) {
return -1;
}
if ((cur->configure_flags & INTERFACE_SETUP_MASK) != INTERFACE_SETUP_READY) {
tr_error("Interface not yet fully configured");
return -2;
}
if (ws_bootstrap_fhss_initialize(cur) != 0) {
tr_error("fhss initialization failed");
return -3;
}
if (cur->bootsrap_mode == ARM_NWK_BOOTSRAP_MODE_6LoWPAN_BORDER_ROUTER) {
//BBR init like NVM read
ws_bbr_init(cur);
}
// Save FHSS api
cur->ws_info->fhss_api = ns_sw_mac_get_fhss_api(cur->mac_api);
ws_bootstrap_ll_address_validate(cur);
addr_interface_set_ll64(cur, NULL);
cur->nwk_nd_re_scan_count = 0;
// Trigger discovery for bootstrap
ret_val = nwk_6lowpan_up(cur);
if (ret_val) {
goto cleanup;
}
/* Wi-sun will trig event for stamechine this timer must be zero on init */
cur->bootsrap_state_machine_cnt = 0;
/* Disable SLLAO send/mandatory receive with the ARO */
cur->ipv6_neighbour_cache.use_eui64_as_slla_in_aro = true;
/* Omit sending of NA if ARO SUCCESS */
cur->ipv6_neighbour_cache.omit_na_aro_success = true;
/* Omit sending of NA and consider ACK to be success */
cur->ipv6_neighbour_cache.omit_na = true;
// do not process AROs from NA. This is overriden by Wi-SUN specific failure handling
cur->ipv6_neighbour_cache.recv_na_aro = false;
/* Disable NUD Probes */
cur->ipv6_neighbour_cache.send_nud_probes = false;
cur->ipv6_neighbour_cache.probe_avoided_routers = true;
/*Replace NS handler to disable multicast address queries */
cur->if_ns_transmit = ws_bootstrap_nd_ns_transmit;
// Configure memory limits and garbage collection values;
ws_bootstrap_memory_configuration();
ws_nud_table_reset(cur);
ws_bootstrap_candidate_table_reset(cur);
// Zero uptime counters
cur->ws_info->uptime = 0;
cur->ws_info->authentication_time = 0;
cur->ws_info->connected_time = 0;
blacklist_params_set(
WS_BLACKLIST_ENTRY_LIFETIME,
WS_BLACKLIST_TIMER_MAX_TIMEOUT,
WS_BLACKLIST_TIMER_TIMEOUT,
WS_BLACKLIST_ENTRY_MAX_NBR,
WS_BLACKLIST_PURGE_NBR,
WS_BLACKLIST_PURGE_TIMER_TIMEOUT);
ws_bootstrap_event_discovery_start(cur);
return 0;
cleanup:
return ret_val;
}
int8_t ws_bootstrap_6ln_down(protocol_interface_info_entry_t *cur)
{
if (!cur || !(cur->lowpan_info & INTERFACE_NWK_ACTIVE)) {
return -1;
}
tr_info("Wi-SUN ifdown");
// Reset MAC for safe upper layer memory free
protocol_mac_reset(cur);
ns_sw_mac_fhss_unregister(cur->mac_api);
ns_fhss_delete(cur->ws_info->fhss_api);
cur->ws_info->fhss_api = NULL;
// Reset WS information
ws_bootstrap_asynch_trickle_stop(cur);
ws_llc_reset(cur);
if (nd_proxy_downstream_interface_unregister(cur->id) != 0) {
tr_warn("nd proxy unregister failed");
}
ws_nud_table_reset(cur);
ws_pae_controller_stop(cur);
ws_bootstrap_candidate_table_reset(cur);
blacklist_clear();
cur->if_common_forwarding_out_cb = NULL;
return nwk_6lowpan_down(cur);
}
#endif //HAVE_WS_BORDER_ROUTER && HAVE_WS