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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9 * modification, are permitted provided that the following conditions are met:
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17 * contributors may be used to endorse or promote products derived from
18 * this software without specific prior written permission.
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.
24 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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39 #include "name_table.h"
44 #include <net/genetlink.h>
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
, },
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 [TIPC_NLA_MON
] = { .type
= NLA_NESTED
, },
59 const struct nla_policy
60 tipc_nl_name_table_policy
[TIPC_NLA_NAME_TABLE_MAX
+ 1] = {
61 [TIPC_NLA_NAME_TABLE_UNSPEC
] = { .type
= NLA_UNSPEC
},
62 [TIPC_NLA_NAME_TABLE_PUBL
] = { .type
= NLA_NESTED
}
65 const struct nla_policy tipc_nl_monitor_policy
[TIPC_NLA_MON_MAX
+ 1] = {
66 [TIPC_NLA_MON_UNSPEC
] = { .type
= NLA_UNSPEC
},
67 [TIPC_NLA_MON_REF
] = { .type
= NLA_U32
},
68 [TIPC_NLA_MON_ACTIVATION_THRESHOLD
] = { .type
= NLA_U32
},
71 const struct nla_policy tipc_nl_sock_policy
[TIPC_NLA_SOCK_MAX
+ 1] = {
72 [TIPC_NLA_SOCK_UNSPEC
] = { .type
= NLA_UNSPEC
},
73 [TIPC_NLA_SOCK_ADDR
] = { .type
= NLA_U32
},
74 [TIPC_NLA_SOCK_REF
] = { .type
= NLA_U32
},
75 [TIPC_NLA_SOCK_CON
] = { .type
= NLA_NESTED
},
76 [TIPC_NLA_SOCK_HAS_PUBL
] = { .type
= NLA_FLAG
}
79 const struct nla_policy tipc_nl_net_policy
[TIPC_NLA_NET_MAX
+ 1] = {
80 [TIPC_NLA_NET_UNSPEC
] = { .type
= NLA_UNSPEC
},
81 [TIPC_NLA_NET_ID
] = { .type
= NLA_U32
}
84 const struct nla_policy tipc_nl_link_policy
[TIPC_NLA_LINK_MAX
+ 1] = {
85 [TIPC_NLA_LINK_UNSPEC
] = { .type
= NLA_UNSPEC
},
86 [TIPC_NLA_LINK_NAME
] = { .type
= NLA_STRING
,
87 .len
= TIPC_MAX_LINK_NAME
},
88 [TIPC_NLA_LINK_MTU
] = { .type
= NLA_U32
},
89 [TIPC_NLA_LINK_BROADCAST
] = { .type
= NLA_FLAG
},
90 [TIPC_NLA_LINK_UP
] = { .type
= NLA_FLAG
},
91 [TIPC_NLA_LINK_ACTIVE
] = { .type
= NLA_FLAG
},
92 [TIPC_NLA_LINK_PROP
] = { .type
= NLA_NESTED
},
93 [TIPC_NLA_LINK_STATS
] = { .type
= NLA_NESTED
},
94 [TIPC_NLA_LINK_RX
] = { .type
= NLA_U32
},
95 [TIPC_NLA_LINK_TX
] = { .type
= NLA_U32
}
98 const struct nla_policy tipc_nl_node_policy
[TIPC_NLA_NODE_MAX
+ 1] = {
99 [TIPC_NLA_NODE_UNSPEC
] = { .type
= NLA_UNSPEC
},
100 [TIPC_NLA_NODE_ADDR
] = { .type
= NLA_U32
},
101 [TIPC_NLA_NODE_UP
] = { .type
= NLA_FLAG
}
104 /* Properties valid for media, bearer and link */
105 const struct nla_policy tipc_nl_prop_policy
[TIPC_NLA_PROP_MAX
+ 1] = {
106 [TIPC_NLA_PROP_UNSPEC
] = { .type
= NLA_UNSPEC
},
107 [TIPC_NLA_PROP_PRIO
] = { .type
= NLA_U32
},
108 [TIPC_NLA_PROP_TOL
] = { .type
= NLA_U32
},
109 [TIPC_NLA_PROP_WIN
] = { .type
= NLA_U32
}
112 const struct nla_policy tipc_nl_bearer_policy
[TIPC_NLA_BEARER_MAX
+ 1] = {
113 [TIPC_NLA_BEARER_UNSPEC
] = { .type
= NLA_UNSPEC
},
114 [TIPC_NLA_BEARER_NAME
] = { .type
= NLA_STRING
,
115 .len
= TIPC_MAX_BEARER_NAME
},
116 [TIPC_NLA_BEARER_PROP
] = { .type
= NLA_NESTED
},
117 [TIPC_NLA_BEARER_DOMAIN
] = { .type
= NLA_U32
}
120 const struct nla_policy tipc_nl_media_policy
[TIPC_NLA_MEDIA_MAX
+ 1] = {
121 [TIPC_NLA_MEDIA_UNSPEC
] = { .type
= NLA_UNSPEC
},
122 [TIPC_NLA_MEDIA_NAME
] = { .type
= NLA_STRING
},
123 [TIPC_NLA_MEDIA_PROP
] = { .type
= NLA_NESTED
}
126 const struct nla_policy tipc_nl_udp_policy
[TIPC_NLA_UDP_MAX
+ 1] = {
127 [TIPC_NLA_UDP_UNSPEC
] = {.type
= NLA_UNSPEC
},
128 [TIPC_NLA_UDP_LOCAL
] = {.type
= NLA_BINARY
,
129 .len
= sizeof(struct sockaddr_storage
)},
130 [TIPC_NLA_UDP_REMOTE
] = {.type
= NLA_BINARY
,
131 .len
= sizeof(struct sockaddr_storage
)},
134 /* Users of the legacy API (tipc-config) can't handle that we add operations,
135 * so we have a separate genl handling for the new API.
137 struct genl_family tipc_genl_family
= {
138 .id
= GENL_ID_GENERATE
,
139 .name
= TIPC_GENL_V2_NAME
,
140 .version
= TIPC_GENL_V2_VERSION
,
142 .maxattr
= TIPC_NLA_MAX
,
146 static const struct genl_ops tipc_genl_v2_ops
[] = {
148 .cmd
= TIPC_NL_BEARER_DISABLE
,
149 .doit
= tipc_nl_bearer_disable
,
150 .policy
= tipc_nl_policy
,
153 .cmd
= TIPC_NL_BEARER_ENABLE
,
154 .doit
= tipc_nl_bearer_enable
,
155 .policy
= tipc_nl_policy
,
158 .cmd
= TIPC_NL_BEARER_GET
,
159 .doit
= tipc_nl_bearer_get
,
160 .dumpit
= tipc_nl_bearer_dump
,
161 .policy
= tipc_nl_policy
,
164 .cmd
= TIPC_NL_BEARER_SET
,
165 .doit
= tipc_nl_bearer_set
,
166 .policy
= tipc_nl_policy
,
169 .cmd
= TIPC_NL_SOCK_GET
,
170 .dumpit
= tipc_nl_sk_dump
,
171 .policy
= tipc_nl_policy
,
174 .cmd
= TIPC_NL_PUBL_GET
,
175 .dumpit
= tipc_nl_publ_dump
,
176 .policy
= tipc_nl_policy
,
179 .cmd
= TIPC_NL_LINK_GET
,
180 .doit
= tipc_nl_node_get_link
,
181 .dumpit
= tipc_nl_node_dump_link
,
182 .policy
= tipc_nl_policy
,
185 .cmd
= TIPC_NL_LINK_SET
,
186 .doit
= tipc_nl_node_set_link
,
187 .policy
= tipc_nl_policy
,
190 .cmd
= TIPC_NL_LINK_RESET_STATS
,
191 .doit
= tipc_nl_node_reset_link_stats
,
192 .policy
= tipc_nl_policy
,
195 .cmd
= TIPC_NL_MEDIA_GET
,
196 .doit
= tipc_nl_media_get
,
197 .dumpit
= tipc_nl_media_dump
,
198 .policy
= tipc_nl_policy
,
201 .cmd
= TIPC_NL_MEDIA_SET
,
202 .doit
= tipc_nl_media_set
,
203 .policy
= tipc_nl_policy
,
206 .cmd
= TIPC_NL_NODE_GET
,
207 .dumpit
= tipc_nl_node_dump
,
208 .policy
= tipc_nl_policy
,
211 .cmd
= TIPC_NL_NET_GET
,
212 .dumpit
= tipc_nl_net_dump
,
213 .policy
= tipc_nl_policy
,
216 .cmd
= TIPC_NL_NET_SET
,
217 .doit
= tipc_nl_net_set
,
218 .policy
= tipc_nl_policy
,
221 .cmd
= TIPC_NL_NAME_TABLE_GET
,
222 .dumpit
= tipc_nl_name_table_dump
,
223 .policy
= tipc_nl_policy
,
226 .cmd
= TIPC_NL_MON_SET
,
227 .doit
= tipc_nl_node_set_monitor
,
228 .policy
= tipc_nl_policy
,
231 .cmd
= TIPC_NL_MON_GET
,
232 .doit
= tipc_nl_node_get_monitor
,
233 .dumpit
= tipc_nl_node_dump_monitor
,
234 .policy
= tipc_nl_policy
,
237 .cmd
= TIPC_NL_MON_PEER_GET
,
238 .dumpit
= tipc_nl_node_dump_monitor_peer
,
239 .policy
= tipc_nl_policy
,
243 int tipc_nlmsg_parse(const struct nlmsghdr
*nlh
, struct nlattr
***attr
)
245 u32 maxattr
= tipc_genl_family
.maxattr
;
247 *attr
= tipc_genl_family
.attrbuf
;
251 return nlmsg_parse(nlh
, GENL_HDRLEN
, *attr
, maxattr
, tipc_nl_policy
);
254 int tipc_netlink_start(void)
258 res
= genl_register_family_with_ops(&tipc_genl_family
,
261 pr_err("Failed to register netlink interface\n");
267 void tipc_netlink_stop(void)
269 genl_unregister_family(&tipc_genl_family
);