2 * net/tipc/netlink.c: TIPC configuration handling
4 * Copyright (c) 2005-2006, 2014, Ericsson AB
5 * Copyright (c) 2005-2007, Wind River Systems
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39 #include "name_table.h"
44 #include "udp_media.h"
45 #include <net/genetlink.h>
47 static const struct nla_policy tipc_nl_policy[TIPC_NLA_MAX + 1] = {
48 [TIPC_NLA_UNSPEC] = { .type = NLA_UNSPEC, },
49 [TIPC_NLA_BEARER] = { .type = NLA_NESTED, },
50 [TIPC_NLA_SOCK] = { .type = NLA_NESTED, },
51 [TIPC_NLA_PUBL] = { .type = NLA_NESTED, },
52 [TIPC_NLA_LINK] = { .type = NLA_NESTED, },
53 [TIPC_NLA_MEDIA] = { .type = NLA_NESTED, },
54 [TIPC_NLA_NODE] = { .type = NLA_NESTED, },
55 [TIPC_NLA_NET] = { .type = NLA_NESTED, },
56 [TIPC_NLA_NAME_TABLE] = { .type = NLA_NESTED, },
57 [TIPC_NLA_MON] = { .type = NLA_NESTED, },
60 const struct nla_policy
61 tipc_nl_name_table_policy[TIPC_NLA_NAME_TABLE_MAX + 1] = {
62 [TIPC_NLA_NAME_TABLE_UNSPEC] = { .type = NLA_UNSPEC },
63 [TIPC_NLA_NAME_TABLE_PUBL] = { .type = NLA_NESTED }
66 const struct nla_policy tipc_nl_monitor_policy[TIPC_NLA_MON_MAX + 1] = {
67 [TIPC_NLA_MON_UNSPEC] = { .type = NLA_UNSPEC },
68 [TIPC_NLA_MON_REF] = { .type = NLA_U32 },
69 [TIPC_NLA_MON_ACTIVATION_THRESHOLD] = { .type = NLA_U32 },
72 const struct nla_policy tipc_nl_sock_policy[TIPC_NLA_SOCK_MAX + 1] = {
73 [TIPC_NLA_SOCK_UNSPEC] = { .type = NLA_UNSPEC },
74 [TIPC_NLA_SOCK_ADDR] = { .type = NLA_U32 },
75 [TIPC_NLA_SOCK_REF] = { .type = NLA_U32 },
76 [TIPC_NLA_SOCK_CON] = { .type = NLA_NESTED },
77 [TIPC_NLA_SOCK_HAS_PUBL] = { .type = NLA_FLAG }
80 const struct nla_policy tipc_nl_net_policy[TIPC_NLA_NET_MAX + 1] = {
81 [TIPC_NLA_NET_UNSPEC] = { .type = NLA_UNSPEC },
82 [TIPC_NLA_NET_ID] = { .type = NLA_U32 },
83 [TIPC_NLA_NET_ADDR] = { .type = NLA_U32 },
86 const struct nla_policy tipc_nl_link_policy[TIPC_NLA_LINK_MAX + 1] = {
87 [TIPC_NLA_LINK_UNSPEC] = { .type = NLA_UNSPEC },
88 [TIPC_NLA_LINK_NAME] = { .type = NLA_STRING,
89 .len = TIPC_MAX_LINK_NAME },
90 [TIPC_NLA_LINK_MTU] = { .type = NLA_U32 },
91 [TIPC_NLA_LINK_BROADCAST] = { .type = NLA_FLAG },
92 [TIPC_NLA_LINK_UP] = { .type = NLA_FLAG },
93 [TIPC_NLA_LINK_ACTIVE] = { .type = NLA_FLAG },
94 [TIPC_NLA_LINK_PROP] = { .type = NLA_NESTED },
95 [TIPC_NLA_LINK_STATS] = { .type = NLA_NESTED },
96 [TIPC_NLA_LINK_RX] = { .type = NLA_U32 },
97 [TIPC_NLA_LINK_TX] = { .type = NLA_U32 }
100 const struct nla_policy tipc_nl_node_policy[TIPC_NLA_NODE_MAX + 1] = {
101 [TIPC_NLA_NODE_UNSPEC] = { .type = NLA_UNSPEC },
102 [TIPC_NLA_NODE_ADDR] = { .type = NLA_U32 },
103 [TIPC_NLA_NODE_UP] = { .type = NLA_FLAG }
106 /* Properties valid for media, bearer and link */
107 const struct nla_policy tipc_nl_prop_policy[TIPC_NLA_PROP_MAX + 1] = {
108 [TIPC_NLA_PROP_UNSPEC] = { .type = NLA_UNSPEC },
109 [TIPC_NLA_PROP_PRIO] = { .type = NLA_U32 },
110 [TIPC_NLA_PROP_TOL] = { .type = NLA_U32 },
111 [TIPC_NLA_PROP_WIN] = { .type = NLA_U32 }
114 const struct nla_policy tipc_nl_bearer_policy[TIPC_NLA_BEARER_MAX + 1] = {
115 [TIPC_NLA_BEARER_UNSPEC] = { .type = NLA_UNSPEC },
116 [TIPC_NLA_BEARER_NAME] = { .type = NLA_STRING,
117 .len = TIPC_MAX_BEARER_NAME },
118 [TIPC_NLA_BEARER_PROP] = { .type = NLA_NESTED },
119 [TIPC_NLA_BEARER_DOMAIN] = { .type = NLA_U32 }
122 const struct nla_policy tipc_nl_media_policy[TIPC_NLA_MEDIA_MAX + 1] = {
123 [TIPC_NLA_MEDIA_UNSPEC] = { .type = NLA_UNSPEC },
124 [TIPC_NLA_MEDIA_NAME] = { .type = NLA_STRING },
125 [TIPC_NLA_MEDIA_PROP] = { .type = NLA_NESTED }
128 const struct nla_policy tipc_nl_udp_policy[TIPC_NLA_UDP_MAX + 1] = {
129 [TIPC_NLA_UDP_UNSPEC] = {.type = NLA_UNSPEC},
130 [TIPC_NLA_UDP_LOCAL] = {.type = NLA_BINARY,
131 .len = sizeof(struct sockaddr_storage)},
132 [TIPC_NLA_UDP_REMOTE] = {.type = NLA_BINARY,
133 .len = sizeof(struct sockaddr_storage)},
136 /* Users of the legacy API (tipc-config) can't handle that we add operations,
137 * so we have a separate genl handling for the new API.
139 struct genl_family tipc_genl_family = {
140 .id = GENL_ID_GENERATE,
141 .name = TIPC_GENL_V2_NAME,
142 .version = TIPC_GENL_V2_VERSION,
144 .maxattr = TIPC_NLA_MAX,
148 static const struct genl_ops tipc_genl_v2_ops[] = {
150 .cmd = TIPC_NL_BEARER_DISABLE,
151 .doit = tipc_nl_bearer_disable,
152 .policy = tipc_nl_policy,
155 .cmd = TIPC_NL_BEARER_ENABLE,
156 .doit = tipc_nl_bearer_enable,
157 .policy = tipc_nl_policy,
160 .cmd = TIPC_NL_BEARER_GET,
161 .doit = tipc_nl_bearer_get,
162 .dumpit = tipc_nl_bearer_dump,
163 .policy = tipc_nl_policy,
166 .cmd = TIPC_NL_BEARER_ADD,
167 .doit = tipc_nl_bearer_add,
168 .policy = tipc_nl_policy,
171 .cmd = TIPC_NL_BEARER_SET,
172 .doit = tipc_nl_bearer_set,
173 .policy = tipc_nl_policy,
176 .cmd = TIPC_NL_SOCK_GET,
177 .dumpit = tipc_nl_sk_dump,
178 .policy = tipc_nl_policy,
181 .cmd = TIPC_NL_PUBL_GET,
182 .dumpit = tipc_nl_publ_dump,
183 .policy = tipc_nl_policy,
186 .cmd = TIPC_NL_LINK_GET,
187 .doit = tipc_nl_node_get_link,
188 .dumpit = tipc_nl_node_dump_link,
189 .policy = tipc_nl_policy,
192 .cmd = TIPC_NL_LINK_SET,
193 .doit = tipc_nl_node_set_link,
194 .policy = tipc_nl_policy,
197 .cmd = TIPC_NL_LINK_RESET_STATS,
198 .doit = tipc_nl_node_reset_link_stats,
199 .policy = tipc_nl_policy,
202 .cmd = TIPC_NL_MEDIA_GET,
203 .doit = tipc_nl_media_get,
204 .dumpit = tipc_nl_media_dump,
205 .policy = tipc_nl_policy,
208 .cmd = TIPC_NL_MEDIA_SET,
209 .doit = tipc_nl_media_set,
210 .policy = tipc_nl_policy,
213 .cmd = TIPC_NL_NODE_GET,
214 .dumpit = tipc_nl_node_dump,
215 .policy = tipc_nl_policy,
218 .cmd = TIPC_NL_NET_GET,
219 .dumpit = tipc_nl_net_dump,
220 .policy = tipc_nl_policy,
223 .cmd = TIPC_NL_NET_SET,
224 .doit = tipc_nl_net_set,
225 .policy = tipc_nl_policy,
228 .cmd = TIPC_NL_NAME_TABLE_GET,
229 .dumpit = tipc_nl_name_table_dump,
230 .policy = tipc_nl_policy,
233 .cmd = TIPC_NL_MON_SET,
234 .doit = tipc_nl_node_set_monitor,
235 .policy = tipc_nl_policy,
238 .cmd = TIPC_NL_MON_GET,
239 .doit = tipc_nl_node_get_monitor,
240 .dumpit = tipc_nl_node_dump_monitor,
241 .policy = tipc_nl_policy,
244 .cmd = TIPC_NL_MON_PEER_GET,
245 .dumpit = tipc_nl_node_dump_monitor_peer,
246 .policy = tipc_nl_policy,
249 .cmd = TIPC_NL_PEER_REMOVE,
250 .doit = tipc_nl_peer_rm,
251 .policy = tipc_nl_policy,
253 #ifdef CONFIG_TIPC_MEDIA_UDP
255 .cmd = TIPC_NL_UDP_GET_REMOTEIP,
256 .dumpit = tipc_udp_nl_dump_remoteip,
257 .policy = tipc_nl_policy,
262 int tipc_nlmsg_parse(const struct nlmsghdr *nlh, struct nlattr ***attr)
264 u32 maxattr = tipc_genl_family.maxattr;
266 *attr = tipc_genl_family.attrbuf;
270 return nlmsg_parse(nlh, GENL_HDRLEN, *attr, maxattr, tipc_nl_policy);
273 int tipc_netlink_start(void)
277 res = genl_register_family_with_ops(&tipc_genl_family,
280 pr_err("Failed to register netlink interface\n");
286 void tipc_netlink_stop(void)
288 genl_unregister_family(&tipc_genl_family);