Commit | Line | Data |
---|---|---|
b97bf3fd PL |
1 | /* |
2 | * net/tipc/netlink.c: TIPC configuration handling | |
c4307285 | 3 | * |
0655f6a8 | 4 | * Copyright (c) 2005-2006, 2014, Ericsson AB |
59f0c452 | 5 | * Copyright (c) 2005-2007, Wind River Systems |
b97bf3fd PL |
6 | * All rights reserved. |
7 | * | |
9ea1fd3c | 8 | * Redistribution and use in source and binary forms, with or without |
b97bf3fd PL |
9 | * modification, are permitted provided that the following conditions are met: |
10 | * | |
9ea1fd3c PL |
11 | * 1. Redistributions of source code must retain the above copyright |
12 | * notice, this list of conditions and the following disclaimer. | |
13 | * 2. Redistributions in binary form must reproduce the above copyright | |
14 | * notice, this list of conditions and the following disclaimer in the | |
15 | * documentation and/or other materials provided with the distribution. | |
16 | * 3. Neither the names of the copyright holders nor the names of its | |
17 | * contributors may be used to endorse or promote products derived from | |
18 | * this software without specific prior written permission. | |
b97bf3fd | 19 | * |
9ea1fd3c PL |
20 | * Alternatively, this software may be distributed under the terms of the |
21 | * GNU General Public License ("GPL") version 2 as published by the Free | |
22 | * Software Foundation. | |
23 | * | |
24 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" | |
25 | * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | |
26 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE | |
27 | * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE | |
28 | * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR | |
29 | * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF | |
30 | * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS | |
31 | * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN | |
32 | * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) | |
33 | * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE | |
b97bf3fd PL |
34 | * POSSIBILITY OF SUCH DAMAGE. |
35 | */ | |
36 | ||
37 | #include "core.h" | |
34b78a12 | 38 | #include "socket.h" |
1593123a | 39 | #include "name_table.h" |
0655f6a8 | 40 | #include "bearer.h" |
7be57fc6 | 41 | #include "link.h" |
3e4b6ab5 | 42 | #include "node.h" |
fd3cf2ad | 43 | #include "net.h" |
b97bf3fd PL |
44 | #include <net/genetlink.h> |
45 | ||
0655f6a8 RA |
46 | static const struct nla_policy tipc_nl_policy[TIPC_NLA_MAX + 1] = { |
47 | [TIPC_NLA_UNSPEC] = { .type = NLA_UNSPEC, }, | |
48 | [TIPC_NLA_BEARER] = { .type = NLA_NESTED, }, | |
34b78a12 | 49 | [TIPC_NLA_SOCK] = { .type = NLA_NESTED, }, |
7be57fc6 RA |
50 | [TIPC_NLA_PUBL] = { .type = NLA_NESTED, }, |
51 | [TIPC_NLA_LINK] = { .type = NLA_NESTED, }, | |
46f15c67 | 52 | [TIPC_NLA_MEDIA] = { .type = NLA_NESTED, }, |
fd3cf2ad | 53 | [TIPC_NLA_NODE] = { .type = NLA_NESTED, }, |
1593123a RA |
54 | [TIPC_NLA_NET] = { .type = NLA_NESTED, }, |
55 | [TIPC_NLA_NAME_TABLE] = { .type = NLA_NESTED, } | |
0655f6a8 RA |
56 | }; |
57 | ||
0655f6a8 RA |
58 | /* Users of the legacy API (tipc-config) can't handle that we add operations, |
59 | * so we have a separate genl handling for the new API. | |
60 | */ | |
bfb3e5dd | 61 | struct genl_family tipc_genl_family = { |
0655f6a8 RA |
62 | .id = GENL_ID_GENERATE, |
63 | .name = TIPC_GENL_V2_NAME, | |
64 | .version = TIPC_GENL_V2_VERSION, | |
65 | .hdrsize = 0, | |
66 | .maxattr = TIPC_NLA_MAX, | |
d49e2041 | 67 | .netnsok = true, |
0655f6a8 RA |
68 | }; |
69 | ||
70 | static const struct genl_ops tipc_genl_v2_ops[] = { | |
71 | { | |
72 | .cmd = TIPC_NL_BEARER_DISABLE, | |
73 | .doit = tipc_nl_bearer_disable, | |
74 | .policy = tipc_nl_policy, | |
75 | }, | |
76 | { | |
77 | .cmd = TIPC_NL_BEARER_ENABLE, | |
78 | .doit = tipc_nl_bearer_enable, | |
79 | .policy = tipc_nl_policy, | |
35b9dd76 RA |
80 | }, |
81 | { | |
82 | .cmd = TIPC_NL_BEARER_GET, | |
83 | .doit = tipc_nl_bearer_get, | |
84 | .dumpit = tipc_nl_bearer_dump, | |
85 | .policy = tipc_nl_policy, | |
315c00bc RA |
86 | }, |
87 | { | |
88 | .cmd = TIPC_NL_BEARER_SET, | |
89 | .doit = tipc_nl_bearer_set, | |
90 | .policy = tipc_nl_policy, | |
34b78a12 RA |
91 | }, |
92 | { | |
93 | .cmd = TIPC_NL_SOCK_GET, | |
94 | .dumpit = tipc_nl_sk_dump, | |
95 | .policy = tipc_nl_policy, | |
1a1a143d RA |
96 | }, |
97 | { | |
98 | .cmd = TIPC_NL_PUBL_GET, | |
99 | .dumpit = tipc_nl_publ_dump, | |
100 | .policy = tipc_nl_policy, | |
7be57fc6 RA |
101 | }, |
102 | { | |
103 | .cmd = TIPC_NL_LINK_GET, | |
5be9c086 | 104 | .doit = tipc_nl_node_get_link, |
38206d59 | 105 | .dumpit = tipc_nl_node_dump_link, |
7be57fc6 | 106 | .policy = tipc_nl_policy, |
f96ce7a2 RA |
107 | }, |
108 | { | |
109 | .cmd = TIPC_NL_LINK_SET, | |
5be9c086 | 110 | .doit = tipc_nl_node_set_link, |
f96ce7a2 | 111 | .policy = tipc_nl_policy, |
ae36342b RA |
112 | }, |
113 | { | |
114 | .cmd = TIPC_NL_LINK_RESET_STATS, | |
5be9c086 | 115 | .doit = tipc_nl_node_reset_link_stats, |
ae36342b | 116 | .policy = tipc_nl_policy, |
46f15c67 RA |
117 | }, |
118 | { | |
119 | .cmd = TIPC_NL_MEDIA_GET, | |
120 | .doit = tipc_nl_media_get, | |
121 | .dumpit = tipc_nl_media_dump, | |
122 | .policy = tipc_nl_policy, | |
1e55417d RA |
123 | }, |
124 | { | |
125 | .cmd = TIPC_NL_MEDIA_SET, | |
126 | .doit = tipc_nl_media_set, | |
127 | .policy = tipc_nl_policy, | |
3e4b6ab5 RA |
128 | }, |
129 | { | |
130 | .cmd = TIPC_NL_NODE_GET, | |
131 | .dumpit = tipc_nl_node_dump, | |
132 | .policy = tipc_nl_policy, | |
fd3cf2ad RA |
133 | }, |
134 | { | |
135 | .cmd = TIPC_NL_NET_GET, | |
136 | .dumpit = tipc_nl_net_dump, | |
137 | .policy = tipc_nl_policy, | |
27c21416 RA |
138 | }, |
139 | { | |
140 | .cmd = TIPC_NL_NET_SET, | |
141 | .doit = tipc_nl_net_set, | |
142 | .policy = tipc_nl_policy, | |
1593123a RA |
143 | }, |
144 | { | |
145 | .cmd = TIPC_NL_NAME_TABLE_GET, | |
146 | .dumpit = tipc_nl_name_table_dump, | |
147 | .policy = tipc_nl_policy, | |
0655f6a8 RA |
148 | } |
149 | }; | |
150 | ||
1a1a143d RA |
151 | int tipc_nlmsg_parse(const struct nlmsghdr *nlh, struct nlattr ***attr) |
152 | { | |
bfb3e5dd | 153 | u32 maxattr = tipc_genl_family.maxattr; |
1a1a143d | 154 | |
bfb3e5dd | 155 | *attr = tipc_genl_family.attrbuf; |
1a1a143d RA |
156 | if (!*attr) |
157 | return -EOPNOTSUPP; | |
158 | ||
159 | return nlmsg_parse(nlh, GENL_HDRLEN, *attr, maxattr, tipc_nl_policy); | |
160 | } | |
161 | ||
4323add6 | 162 | int tipc_netlink_start(void) |
b97bf3fd | 163 | { |
acb0a200 | 164 | int res; |
b70e4f45 | 165 | |
bfb3e5dd | 166 | res = genl_register_family_with_ops(&tipc_genl_family, |
0655f6a8 | 167 | tipc_genl_v2_ops); |
acb0a200 | 168 | if (res) { |
2cf8aa19 | 169 | pr_err("Failed to register netlink interface\n"); |
acb0a200 MM |
170 | return res; |
171 | } | |
c4307285 | 172 | return 0; |
b97bf3fd PL |
173 | } |
174 | ||
4323add6 | 175 | void tipc_netlink_stop(void) |
b97bf3fd | 176 | { |
acb0a200 | 177 | genl_unregister_family(&tipc_genl_family); |
b97bf3fd | 178 | } |