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Merge pull request ARMmbed#1869 from ARMmbed/dhcpv6_server_update
DHCPv6 server update
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,100 @@ | ||
| /* | ||
| * Copyright (c) 2018, Arm Limited 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. | ||
| */ | ||
|
|
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| #include "nsconfig.h" | ||
| #if defined(HAVE_THREAD) && defined(HAVE_DHCPV6_SERVER) | ||
| #include <string.h> | ||
| #include <ns_types.h> | ||
| #include "eventOS_event.h" | ||
| #include "eventOS_event_timer.h" | ||
| #include "common_functions.h" | ||
| #include "ns_trace.h" | ||
| #include "NWK_INTERFACE/Include/protocol.h" | ||
| #include "ipv6_stack/protocol_ipv6.h" | ||
| #include "Common_Protocols/ipv6_constants.h" | ||
| #include "Common_Protocols/ipv6.h" | ||
| #include "DHCPv6_Server/DHCPv6_server_service.h" | ||
| #include "6LoWPAN/Thread/thread_bbr_api_internal.h" | ||
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| #define TRACE_GROUP "thds" | ||
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| static void thread_service_remove_GUA_from_neighcache(protocol_interface_info_entry_t *cur, uint8_t *targetAddress) | ||
| { | ||
| ipv6_neighbour_t *neighbour_entry; | ||
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| neighbour_entry = ipv6_neighbour_lookup(&cur->ipv6_neighbour_cache, targetAddress); | ||
| if (neighbour_entry) { | ||
| tr_debug("Remove from neigh Cache: %s", tr_ipv6(targetAddress)); | ||
| ipv6_neighbour_entry_remove(&cur->ipv6_neighbour_cache, neighbour_entry); | ||
| } | ||
| } | ||
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| static void thread_dhcp_address_prefer_remove_cb(int8_t interfaceId, uint8_t *targetAddress, void *prefix_info) | ||
| { | ||
| protocol_interface_info_entry_t *curPtr = protocol_stack_interface_info_get_by_id(interfaceId); | ||
| if (!curPtr) { | ||
| return; | ||
| } | ||
| if (!targetAddress) { | ||
| //Clear All targets routes | ||
| ipv6_route_table_remove_info(interfaceId, ROUTE_THREAD_PROXIED_HOST,prefix_info); | ||
| } else { | ||
| ipv6_route_delete(targetAddress, 128, interfaceId, NULL, ROUTE_THREAD_PROXIED_HOST); | ||
| thread_service_remove_GUA_from_neighcache(curPtr, targetAddress); | ||
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| } | ||
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| } | ||
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| static bool thread_dhcp_address_add_cb(int8_t interfaceId, dhcp_address_cache_update_t *address_info, void *route_src) | ||
| { | ||
| protocol_interface_info_entry_t *curPtr = protocol_stack_interface_info_get_by_id(interfaceId); | ||
| if (!curPtr) { | ||
| return false; | ||
| } | ||
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| // If this is solicit from existing address, flush ND cache. | ||
| if (address_info->allocatedNewAddress) { | ||
| // coverity[returned_null] for ignoring protocol_stack_interface_info_get_by_id NULL return | ||
| thread_service_remove_GUA_from_neighcache(curPtr, address_info->allocatedAddress); | ||
| } | ||
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| if (thread_bbr_nd_entry_add(interfaceId,address_info->allocatedAddress, address_info->validLifeTime, route_src) == -1) { | ||
| // No nanostack BBR present we will put entry for application implemented BBR | ||
| ipv6_route_t *route = ipv6_route_add_with_info(address_info->allocatedAddress, 128, interfaceId, NULL, ROUTE_THREAD_PROXIED_HOST,route_src,0, address_info->validLifeTime, 0); | ||
| if (!route) { | ||
| return false; | ||
| } | ||
|
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| } | ||
| return true; | ||
| } | ||
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| int thread_dhcp6_server_init(int8_t interface_id, uint8_t prefix[8], uint8_t eui64[8], uint32_t validLifeTimne) | ||
| { | ||
| if (DHCPv6_server_service_init(interface_id, prefix, eui64, DHCPV6_DUID_HARDWARE_EUI64_TYPE) != 0) { | ||
| return -1; | ||
| } | ||
| //Register Callbacks | ||
| DHCPv6_server_service_callback_set(interface_id, prefix, thread_dhcp_address_prefer_remove_cb, thread_dhcp_address_add_cb); | ||
| //SET Timeout | ||
| DHCPv6_server_service_set_address_validlifetime(interface_id, prefix, validLifeTimne); | ||
|
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| return 0; | ||
| } | ||
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| #endif |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,27 @@ | ||
| /* | ||
| * Copyright (c) 2018, Arm Limited 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. | ||
| */ | ||
|
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| #ifndef THREAD_DHCPV6_SERVER_H_ | ||
| #define THREAD_DHCPV6_SERVER_H_ | ||
| #if defined(HAVE_THREAD) && defined(HAVE_DHCPV6_SERVER) | ||
| int thread_dhcp6_server_init(int8_t interface_id, uint8_t prefix[8], uint8_t eui64[8], uint32_t validLifeTimne); | ||
| #else | ||
| #define thread_dhcp6_server_init(interface_id, prefix, eui64, validLifeTimne) (-1) | ||
| #endif | ||
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| #endif /* THREAD_DHCPV6_SERVER_H_ */ |
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