1 /*
2 * Copyright (c) 2020, The OpenThread Authors.
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions are met:
7 * 1. Redistributions of source code must retain the above copyright
8 * notice, this list of conditions and the following disclaimer.
9 * 2. Redistributions in binary form must reproduce the above copyright
10 * notice, this list of conditions and the following disclaimer in the
11 * documentation and/or other materials provided with the distribution.
12 * 3. Neither the name of the copyright holder nor the
13 * names of its contributors may be used to endorse or promote products
14 * derived from this software without specific prior written permission.
15 *
16 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
17 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
19 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
20 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
21 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
22 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
23 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
24 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
25 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
26 * POSSIBILITY OF SUCH DAMAGE.
27 */
28
29 /**
30 * @file
31 * This file implements the platform Backbone interface management on Linux.
32 */
33
34 #include "openthread-posix-config.h"
35
36 #if OPENTHREAD_CONFIG_BACKBONE_ROUTER_ENABLE
37
38 #include "multicast_routing.hpp"
39 #include "platform-posix.h"
40 #include "common/code_utils.hpp"
41 #include "posix/platform/mainloop.hpp"
42
43 char gBackboneNetifName[IFNAMSIZ] = "";
44 unsigned int gBackboneNetifIndex = 0;
45 #if OPENTHREAD_CONFIG_BACKBONE_ROUTER_MULTICAST_ROUTING_ENABLE
46 static ot::Posix::MulticastRoutingManager sMulticastRoutingManager;
47 #endif
48
platformBackboneInit(const char * aInterfaceName)49 void platformBackboneInit(const char *aInterfaceName)
50 {
51 if (aInterfaceName == nullptr || aInterfaceName[0] == '\0')
52 {
53 otLogWarnPlat("Backbone Router feature is disabled: infra/backbone interface is missing");
54 ExitNow();
55 }
56
57 VerifyOrDie(strnlen(aInterfaceName, sizeof(gBackboneNetifName)) < sizeof(gBackboneNetifName),
58 OT_EXIT_INVALID_ARGUMENTS);
59 strcpy(gBackboneNetifName, aInterfaceName);
60
61 gBackboneNetifIndex = if_nametoindex(gBackboneNetifName);
62 VerifyOrDie(gBackboneNetifIndex > 0, OT_EXIT_FAILURE);
63
64 otLogInfoPlat("Backbone interface is configured to %s (%d)", gBackboneNetifName, gBackboneNetifIndex);
65
66 exit:
67 return;
68 }
69
platformBackboneSetUp(void)70 void platformBackboneSetUp(void)
71 {
72 #if OPENTHREAD_CONFIG_BACKBONE_ROUTER_MULTICAST_ROUTING_ENABLE
73 sMulticastRoutingManager.SetUp();
74 #endif
75 }
76
platformBackboneTearDown(void)77 void platformBackboneTearDown(void)
78 {
79 #if OPENTHREAD_CONFIG_BACKBONE_ROUTER_MULTICAST_ROUTING_ENABLE
80 sMulticastRoutingManager.TearDown();
81 #endif
82 }
83
platformBackboneDeinit(void)84 void platformBackboneDeinit(void)
85 {
86 gBackboneNetifIndex = 0;
87
88 memset(gBackboneNetifName, 0, sizeof(gBackboneNetifName));
89 }
90
platformBackboneStateChange(otInstance * aInstance,otChangedFlags aFlags)91 void platformBackboneStateChange(otInstance *aInstance, otChangedFlags aFlags)
92 {
93 OT_UNUSED_VARIABLE(aInstance);
94 OT_UNUSED_VARIABLE(aFlags);
95
96 #if OPENTHREAD_CONFIG_BACKBONE_ROUTER_MULTICAST_ROUTING_ENABLE
97 sMulticastRoutingManager.HandleStateChange(aInstance, aFlags);
98 #endif
99 }
100
101 #endif
102