1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37#include "core.h"
38#include "socket.h"
39#include "name_table.h"
40#include "bearer.h"
41#include "link.h"
42#include "node.h"
43#include "net.h"
44#include <net/genetlink.h>
45
46static 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, },
49 [TIPC_NLA_SOCK] = { .type = NLA_NESTED, },
50 [TIPC_NLA_PUBL] = { .type = NLA_NESTED, },
51 [TIPC_NLA_LINK] = { .type = NLA_NESTED, },
52 [TIPC_NLA_MEDIA] = { .type = NLA_NESTED, },
53 [TIPC_NLA_NODE] = { .type = NLA_NESTED, },
54 [TIPC_NLA_NET] = { .type = NLA_NESTED, },
55 [TIPC_NLA_NAME_TABLE] = { .type = NLA_NESTED, }
56};
57
58const struct nla_policy
59tipc_nl_name_table_policy[TIPC_NLA_NAME_TABLE_MAX + 1] = {
60 [TIPC_NLA_NAME_TABLE_UNSPEC] = { .type = NLA_UNSPEC },
61 [TIPC_NLA_NAME_TABLE_PUBL] = { .type = NLA_NESTED }
62};
63
64const struct nla_policy tipc_nl_sock_policy[TIPC_NLA_SOCK_MAX + 1] = {
65 [TIPC_NLA_SOCK_UNSPEC] = { .type = NLA_UNSPEC },
66 [TIPC_NLA_SOCK_ADDR] = { .type = NLA_U32 },
67 [TIPC_NLA_SOCK_REF] = { .type = NLA_U32 },
68 [TIPC_NLA_SOCK_CON] = { .type = NLA_NESTED },
69 [TIPC_NLA_SOCK_HAS_PUBL] = { .type = NLA_FLAG }
70};
71
72const struct nla_policy tipc_nl_net_policy[TIPC_NLA_NET_MAX + 1] = {
73 [TIPC_NLA_NET_UNSPEC] = { .type = NLA_UNSPEC },
74 [TIPC_NLA_NET_ID] = { .type = NLA_U32 }
75};
76
77const struct nla_policy tipc_nl_link_policy[TIPC_NLA_LINK_MAX + 1] = {
78 [TIPC_NLA_LINK_UNSPEC] = { .type = NLA_UNSPEC },
79 [TIPC_NLA_LINK_NAME] = { .type = NLA_STRING,
80 .len = TIPC_MAX_LINK_NAME },
81 [TIPC_NLA_LINK_MTU] = { .type = NLA_U32 },
82 [TIPC_NLA_LINK_BROADCAST] = { .type = NLA_FLAG },
83 [TIPC_NLA_LINK_UP] = { .type = NLA_FLAG },
84 [TIPC_NLA_LINK_ACTIVE] = { .type = NLA_FLAG },
85 [TIPC_NLA_LINK_PROP] = { .type = NLA_NESTED },
86 [TIPC_NLA_LINK_STATS] = { .type = NLA_NESTED },
87 [TIPC_NLA_LINK_RX] = { .type = NLA_U32 },
88 [TIPC_NLA_LINK_TX] = { .type = NLA_U32 }
89};
90
91const struct nla_policy tipc_nl_node_policy[TIPC_NLA_NODE_MAX + 1] = {
92 [TIPC_NLA_NODE_UNSPEC] = { .type = NLA_UNSPEC },
93 [TIPC_NLA_NODE_ADDR] = { .type = NLA_U32 },
94 [TIPC_NLA_NODE_UP] = { .type = NLA_FLAG }
95};
96
97
98const struct nla_policy tipc_nl_prop_policy[TIPC_NLA_PROP_MAX + 1] = {
99 [TIPC_NLA_PROP_UNSPEC] = { .type = NLA_UNSPEC },
100 [TIPC_NLA_PROP_PRIO] = { .type = NLA_U32 },
101 [TIPC_NLA_PROP_TOL] = { .type = NLA_U32 },
102 [TIPC_NLA_PROP_WIN] = { .type = NLA_U32 }
103};
104
105const struct nla_policy tipc_nl_bearer_policy[TIPC_NLA_BEARER_MAX + 1] = {
106 [TIPC_NLA_BEARER_UNSPEC] = { .type = NLA_UNSPEC },
107 [TIPC_NLA_BEARER_NAME] = { .type = NLA_STRING,
108 .len = TIPC_MAX_BEARER_NAME },
109 [TIPC_NLA_BEARER_PROP] = { .type = NLA_NESTED },
110 [TIPC_NLA_BEARER_DOMAIN] = { .type = NLA_U32 }
111};
112
113const struct nla_policy tipc_nl_media_policy[TIPC_NLA_MEDIA_MAX + 1] = {
114 [TIPC_NLA_MEDIA_UNSPEC] = { .type = NLA_UNSPEC },
115 [TIPC_NLA_MEDIA_NAME] = { .type = NLA_STRING },
116 [TIPC_NLA_MEDIA_PROP] = { .type = NLA_NESTED }
117};
118
119const struct nla_policy tipc_nl_udp_policy[TIPC_NLA_UDP_MAX + 1] = {
120 [TIPC_NLA_UDP_UNSPEC] = {.type = NLA_UNSPEC},
121 [TIPC_NLA_UDP_LOCAL] = {.type = NLA_BINARY,
122 .len = sizeof(struct sockaddr_storage)},
123 [TIPC_NLA_UDP_REMOTE] = {.type = NLA_BINARY,
124 .len = sizeof(struct sockaddr_storage)},
125};
126
127
128
129
130struct genl_family tipc_genl_family = {
131 .id = GENL_ID_GENERATE,
132 .name = TIPC_GENL_V2_NAME,
133 .version = TIPC_GENL_V2_VERSION,
134 .hdrsize = 0,
135 .maxattr = TIPC_NLA_MAX,
136 .netnsok = true,
137};
138
139static const struct genl_ops tipc_genl_v2_ops[] = {
140 {
141 .cmd = TIPC_NL_BEARER_DISABLE,
142 .doit = tipc_nl_bearer_disable,
143 .policy = tipc_nl_policy,
144 },
145 {
146 .cmd = TIPC_NL_BEARER_ENABLE,
147 .doit = tipc_nl_bearer_enable,
148 .policy = tipc_nl_policy,
149 },
150 {
151 .cmd = TIPC_NL_BEARER_GET,
152 .doit = tipc_nl_bearer_get,
153 .dumpit = tipc_nl_bearer_dump,
154 .policy = tipc_nl_policy,
155 },
156 {
157 .cmd = TIPC_NL_BEARER_SET,
158 .doit = tipc_nl_bearer_set,
159 .policy = tipc_nl_policy,
160 },
161 {
162 .cmd = TIPC_NL_SOCK_GET,
163 .dumpit = tipc_nl_sk_dump,
164 .policy = tipc_nl_policy,
165 },
166 {
167 .cmd = TIPC_NL_PUBL_GET,
168 .dumpit = tipc_nl_publ_dump,
169 .policy = tipc_nl_policy,
170 },
171 {
172 .cmd = TIPC_NL_LINK_GET,
173 .doit = tipc_nl_node_get_link,
174 .dumpit = tipc_nl_node_dump_link,
175 .policy = tipc_nl_policy,
176 },
177 {
178 .cmd = TIPC_NL_LINK_SET,
179 .doit = tipc_nl_node_set_link,
180 .policy = tipc_nl_policy,
181 },
182 {
183 .cmd = TIPC_NL_LINK_RESET_STATS,
184 .doit = tipc_nl_node_reset_link_stats,
185 .policy = tipc_nl_policy,
186 },
187 {
188 .cmd = TIPC_NL_MEDIA_GET,
189 .doit = tipc_nl_media_get,
190 .dumpit = tipc_nl_media_dump,
191 .policy = tipc_nl_policy,
192 },
193 {
194 .cmd = TIPC_NL_MEDIA_SET,
195 .doit = tipc_nl_media_set,
196 .policy = tipc_nl_policy,
197 },
198 {
199 .cmd = TIPC_NL_NODE_GET,
200 .dumpit = tipc_nl_node_dump,
201 .policy = tipc_nl_policy,
202 },
203 {
204 .cmd = TIPC_NL_NET_GET,
205 .dumpit = tipc_nl_net_dump,
206 .policy = tipc_nl_policy,
207 },
208 {
209 .cmd = TIPC_NL_NET_SET,
210 .doit = tipc_nl_net_set,
211 .policy = tipc_nl_policy,
212 },
213 {
214 .cmd = TIPC_NL_NAME_TABLE_GET,
215 .dumpit = tipc_nl_name_table_dump,
216 .policy = tipc_nl_policy,
217 }
218};
219
220int tipc_nlmsg_parse(const struct nlmsghdr *nlh, struct nlattr ***attr)
221{
222 u32 maxattr = tipc_genl_family.maxattr;
223
224 *attr = tipc_genl_family.attrbuf;
225 if (!*attr)
226 return -EOPNOTSUPP;
227
228 return nlmsg_parse(nlh, GENL_HDRLEN, *attr, maxattr, tipc_nl_policy);
229}
230
231int tipc_netlink_start(void)
232{
233 int res;
234
235 res = genl_register_family_with_ops(&tipc_genl_family,
236 tipc_genl_v2_ops);
237 if (res) {
238 pr_err("Failed to register netlink interface\n");
239 return res;
240 }
241 return 0;
242}
243
244void tipc_netlink_stop(void)
245{
246 genl_unregister_family(&tipc_genl_family);
247}
248
