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d8e538ec TG |
1 | /*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/ |
2 | ||
3 | /*** | |
4 | This file is part of systemd. | |
5 | ||
6 | Copyright 2014 Tom Gundersen <teg@jklm.no> | |
7 | ||
8 | systemd is free software; you can redistribute it and/or modify it | |
9 | under the terms of the GNU Lesser General Public License as published by | |
10 | the Free Software Foundation; either version 2.1 of the License, or | |
11 | (at your option) any later version. | |
12 | ||
13 | systemd is distributed in the hope that it will be useful, but | |
14 | WITHOUT ANY WARRANTY; without even the implied warranty of | |
15 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
16 | Lesser General Public License for more details. | |
17 | ||
18 | You should have received a copy of the GNU Lesser General Public License | |
19 | along with systemd; If not, see <http://www.gnu.org/licenses/>. | |
20 | ***/ | |
21 | ||
d8e538ec TG |
22 | #include <stdint.h> |
23 | #include <sys/socket.h> | |
24 | #include <linux/netlink.h> | |
25 | #include <linux/rtnetlink.h> | |
e410b07d | 26 | #include <linux/in6.h> |
d8e538ec TG |
27 | #include <linux/veth.h> |
28 | #include <linux/if_bridge.h> | |
29 | #include <linux/if_addr.h> | |
30 | #include <linux/if.h> | |
31 | ||
0a827d10 | 32 | #include <linux/ip.h> |
c4a5ddc9 | 33 | #include <linux/if_link.h> |
0a827d10 SS |
34 | #include <linux/if_tunnel.h> |
35 | ||
d8e538ec TG |
36 | #include "macro.h" |
37 | #include "util.h" | |
38 | ||
1c4baffc | 39 | #include "netlink-types.h" |
0830ba61 | 40 | #include "missing.h" |
d8e538ec TG |
41 | |
42 | static const NLTypeSystem rtnl_link_type_system; | |
43 | ||
44 | static const NLType rtnl_link_info_data_veth_types[VETH_INFO_MAX + 1] = { | |
45 | [VETH_INFO_PEER] = { .type = NLA_NESTED, .type_system = &rtnl_link_type_system, .size = sizeof(struct ifinfomsg) }, | |
46 | }; | |
47 | ||
c4a5ddc9 TG |
48 | static const NLType rtnl_link_info_data_ipvlan_types[IFLA_IPVLAN_MAX + 1] = { |
49 | [IFLA_IPVLAN_MODE] = { .type = NLA_U16 }, | |
50 | }; | |
d8e538ec TG |
51 | |
52 | static const NLType rtnl_link_info_data_macvlan_types[IFLA_MACVLAN_MAX + 1] = { | |
53 | [IFLA_MACVLAN_MODE] = { .type = NLA_U32 }, | |
54 | [IFLA_MACVLAN_FLAGS] = { .type = NLA_U16 }, | |
55 | }; | |
56 | ||
57 | static const NLType rtnl_link_info_data_bridge_types[IFLA_BRIDGE_MAX + 1] = { | |
58 | [IFLA_BRIDGE_FLAGS] = { .type = NLA_U16 }, | |
59 | [IFLA_BRIDGE_MODE] = { .type = NLA_U16 }, | |
60 | /* | |
61 | [IFLA_BRIDGE_VLAN_INFO] = { .type = NLA_BINARY, | |
62 | .len = sizeof(struct bridge_vlan_info), }, | |
63 | */ | |
64 | }; | |
65 | ||
66 | static const NLType rtnl_link_info_data_vlan_types[IFLA_VLAN_MAX + 1] = { | |
67 | [IFLA_VLAN_ID] = { .type = NLA_U16 }, | |
68 | /* | |
69 | [IFLA_VLAN_FLAGS] = { .len = sizeof(struct ifla_vlan_flags) }, | |
70 | [IFLA_VLAN_EGRESS_QOS] = { .type = NLA_NESTED }, | |
71 | [IFLA_VLAN_INGRESS_QOS] = { .type = NLA_NESTED }, | |
72 | */ | |
73 | [IFLA_VLAN_PROTOCOL] = { .type = NLA_U16 }, | |
74 | }; | |
75 | ||
6ef81477 SS |
76 | static const NLType rtnl_link_info_data_vxlan_types[IFLA_VXLAN_MAX+1] = { |
77 | [IFLA_VXLAN_ID] = { .type = NLA_U32 }, | |
78 | [IFLA_VXLAN_GROUP] = {.type = NLA_IN_ADDR }, | |
79 | [IFLA_VXLAN_LINK] = { .type = NLA_U32 }, | |
80 | [IFLA_VXLAN_LOCAL] = { .type = NLA_U32}, | |
81 | [IFLA_VXLAN_TTL] = { .type = NLA_U8 }, | |
82 | [IFLA_VXLAN_TOS] = { .type = NLA_U8 }, | |
83 | [IFLA_VXLAN_LEARNING] = { .type = NLA_U8 }, | |
84 | [IFLA_VXLAN_AGEING] = { .type = NLA_U32 }, | |
85 | [IFLA_VXLAN_LIMIT] = { .type = NLA_U32 }, | |
86 | [IFLA_VXLAN_PORT_RANGE] = { .type = NLA_U32}, | |
87 | [IFLA_VXLAN_PROXY] = { .type = NLA_U8 }, | |
88 | [IFLA_VXLAN_RSC] = { .type = NLA_U8 }, | |
89 | [IFLA_VXLAN_L2MISS] = { .type = NLA_U8 }, | |
90 | [IFLA_VXLAN_L3MISS] = { .type = NLA_U8 }, | |
91 | }; | |
92 | ||
81bd37a8 SS |
93 | static const NLType rtnl_bond_arp_target_types[BOND_ARP_TARGETS_MAX + 1] = { |
94 | [BOND_ARP_TARGETS_0] = { .type = NLA_U32 }, | |
95 | [BOND_ARP_TARGETS_1] = { .type = NLA_U32 }, | |
96 | [BOND_ARP_TARGETS_2] = { .type = NLA_U32 }, | |
97 | [BOND_ARP_TARGETS_3] = { .type = NLA_U32 }, | |
98 | [BOND_ARP_TARGETS_4] = { .type = NLA_U32 }, | |
99 | [BOND_ARP_TARGETS_5] = { .type = NLA_U32 }, | |
100 | [BOND_ARP_TARGETS_6] = { .type = NLA_U32 }, | |
101 | [BOND_ARP_TARGETS_7] = { .type = NLA_U32 }, | |
102 | [BOND_ARP_TARGETS_8] = { .type = NLA_U32 }, | |
103 | [BOND_ARP_TARGETS_9] = { .type = NLA_U32 }, | |
104 | [BOND_ARP_TARGETS_10] = { .type = NLA_U32 }, | |
105 | [BOND_ARP_TARGETS_11] = { .type = NLA_U32 }, | |
106 | [BOND_ARP_TARGETS_12] = { .type = NLA_U32 }, | |
107 | [BOND_ARP_TARGETS_13] = { .type = NLA_U32 }, | |
108 | [BOND_ARP_TARGETS_14] = { .type = NLA_U32 }, | |
109 | [BOND_ARP_TARGETS_MAX] = { .type = NLA_U32 }, | |
110 | }; | |
111 | ||
112 | static const NLTypeSystem rtnl_bond_arp_type_system = { | |
113 | .max = ELEMENTSOF(rtnl_bond_arp_target_types) - 1, | |
114 | .types = rtnl_bond_arp_target_types, | |
115 | }; | |
116 | ||
d8e538ec TG |
117 | static const NLType rtnl_link_info_data_bond_types[IFLA_BOND_MAX + 1] = { |
118 | [IFLA_BOND_MODE] = { .type = NLA_U8 }, | |
119 | [IFLA_BOND_ACTIVE_SLAVE] = { .type = NLA_U32 }, | |
d8e538ec TG |
120 | [IFLA_BOND_MIIMON] = { .type = NLA_U32 }, |
121 | [IFLA_BOND_UPDELAY] = { .type = NLA_U32 }, | |
122 | [IFLA_BOND_DOWNDELAY] = { .type = NLA_U32 }, | |
123 | [IFLA_BOND_USE_CARRIER] = { .type = NLA_U8 }, | |
124 | [IFLA_BOND_ARP_INTERVAL] = { .type = NLA_U32 }, | |
81bd37a8 | 125 | [IFLA_BOND_ARP_IP_TARGET] = { .type = NLA_NESTED, .type_system = &rtnl_bond_arp_type_system }, |
d8e538ec TG |
126 | [IFLA_BOND_ARP_VALIDATE] = { .type = NLA_U32 }, |
127 | [IFLA_BOND_ARP_ALL_TARGETS] = { .type = NLA_U32 }, | |
128 | [IFLA_BOND_PRIMARY] = { .type = NLA_U32 }, | |
129 | [IFLA_BOND_PRIMARY_RESELECT] = { .type = NLA_U8 }, | |
130 | [IFLA_BOND_FAIL_OVER_MAC] = { .type = NLA_U8 }, | |
131 | [IFLA_BOND_XMIT_HASH_POLICY] = { .type = NLA_U8 }, | |
132 | [IFLA_BOND_RESEND_IGMP] = { .type = NLA_U32 }, | |
133 | [IFLA_BOND_NUM_PEER_NOTIF] = { .type = NLA_U8 }, | |
134 | [IFLA_BOND_ALL_SLAVES_ACTIVE] = { .type = NLA_U8 }, | |
135 | [IFLA_BOND_MIN_LINKS] = { .type = NLA_U32 }, | |
136 | [IFLA_BOND_LP_INTERVAL] = { .type = NLA_U32 }, | |
137 | [IFLA_BOND_PACKETS_PER_SLAVE] = { .type = NLA_U32 }, | |
138 | [IFLA_BOND_AD_LACP_RATE] = { .type = NLA_U8 }, | |
139 | [IFLA_BOND_AD_SELECT] = { .type = NLA_U8 }, | |
d8e538ec | 140 | [IFLA_BOND_AD_INFO] = { .type = NLA_NESTED }, |
d8e538ec TG |
141 | }; |
142 | ||
0a827d10 SS |
143 | static const NLType rtnl_link_info_data_iptun_types[IFLA_IPTUN_MAX + 1] = { |
144 | [IFLA_IPTUN_LINK] = { .type = NLA_U32 }, | |
7951dea2 SS |
145 | [IFLA_IPTUN_LOCAL] = { .type = NLA_IN_ADDR }, |
146 | [IFLA_IPTUN_REMOTE] = { .type = NLA_IN_ADDR }, | |
0a827d10 SS |
147 | [IFLA_IPTUN_TTL] = { .type = NLA_U8 }, |
148 | [IFLA_IPTUN_TOS] = { .type = NLA_U8 }, | |
149 | [IFLA_IPTUN_PMTUDISC] = { .type = NLA_U8 }, | |
150 | [IFLA_IPTUN_FLAGS] = { .type = NLA_U16 }, | |
151 | [IFLA_IPTUN_PROTO] = { .type = NLA_U8 }, | |
152 | [IFLA_IPTUN_6RD_PREFIX] = { .type = NLA_IN_ADDR }, | |
153 | [IFLA_IPTUN_6RD_RELAY_PREFIX] = { .type = NLA_U32 }, | |
154 | [IFLA_IPTUN_6RD_PREFIXLEN] = { .type = NLA_U16 }, | |
155 | [IFLA_IPTUN_6RD_RELAY_PREFIXLEN] = { .type = NLA_U16 }, | |
156 | }; | |
157 | ||
8bb088c5 SS |
158 | static const NLType rtnl_link_info_data_ipgre_types[IFLA_GRE_MAX + 1] = { |
159 | [IFLA_GRE_LINK] = { .type = NLA_U32 }, | |
160 | [IFLA_GRE_IFLAGS] = { .type = NLA_U16 }, | |
161 | [IFLA_GRE_OFLAGS] = { .type = NLA_U16 }, | |
162 | [IFLA_GRE_IKEY] = { .type = NLA_U32 }, | |
163 | [IFLA_GRE_OKEY] = { .type = NLA_U32 }, | |
164 | [IFLA_GRE_LOCAL] = { .type = NLA_IN_ADDR }, | |
165 | [IFLA_GRE_REMOTE] = { .type = NLA_IN_ADDR }, | |
166 | [IFLA_GRE_TTL] = { .type = NLA_U8 }, | |
167 | [IFLA_GRE_TOS] = { .type = NLA_U8 }, | |
168 | [IFLA_GRE_PMTUDISC] = { .type = NLA_U8 }, | |
169 | }; | |
170 | ||
a613382b SS |
171 | static const NLType rtnl_link_info_data_ipvti_types[IFLA_VTI_MAX + 1] = { |
172 | [IFLA_VTI_LINK] = { .type = NLA_U32 }, | |
173 | [IFLA_VTI_IKEY] = { .type = NLA_U32 }, | |
174 | [IFLA_VTI_OKEY] = { .type = NLA_U32 }, | |
175 | [IFLA_VTI_LOCAL] = { .type = NLA_IN_ADDR }, | |
176 | [IFLA_VTI_REMOTE] = { .type = NLA_IN_ADDR }, | |
177 | }; | |
178 | ||
855ee1a1 SS |
179 | static const NLType rtnl_link_info_data_ip6tnl_types[IFLA_IPTUN_MAX + 1] = { |
180 | [IFLA_IPTUN_LINK] = { .type = NLA_U32 }, | |
181 | [IFLA_IPTUN_LOCAL] = { .type = NLA_IN_ADDR }, | |
182 | [IFLA_IPTUN_REMOTE] = { .type = NLA_IN_ADDR }, | |
183 | [IFLA_IPTUN_TTL] = { .type = NLA_U8 }, | |
184 | [IFLA_IPTUN_FLAGS] = { .type = NLA_U32 }, | |
185 | [IFLA_IPTUN_PROTO] = { .type = NLA_U8 }, | |
186 | [IFLA_IPTUN_ENCAP_LIMIT] = { .type = NLA_U8 }, | |
187 | [IFLA_IPTUN_FLOWINFO] = { .type = NLA_U32}, | |
188 | }; | |
189 | ||
0a827d10 | 190 | /* these strings must match the .kind entries in the kernel */ |
d8e538ec TG |
191 | static const char* const nl_union_link_info_data_table[_NL_UNION_LINK_INFO_DATA_MAX] = { |
192 | [NL_UNION_LINK_INFO_DATA_BOND] = "bond", | |
193 | [NL_UNION_LINK_INFO_DATA_BRIDGE] = "bridge", | |
194 | [NL_UNION_LINK_INFO_DATA_VLAN] = "vlan", | |
195 | [NL_UNION_LINK_INFO_DATA_VETH] = "veth", | |
9e358851 | 196 | [NL_UNION_LINK_INFO_DATA_DUMMY] = "dummy", |
d8e538ec | 197 | [NL_UNION_LINK_INFO_DATA_MACVLAN] = "macvlan", |
c4a5ddc9 | 198 | [NL_UNION_LINK_INFO_DATA_IPVLAN] = "ipvlan", |
6ef81477 | 199 | [NL_UNION_LINK_INFO_DATA_VXLAN] = "vxlan", |
0a827d10 | 200 | [NL_UNION_LINK_INFO_DATA_IPIP_TUNNEL] = "ipip", |
8bb088c5 | 201 | [NL_UNION_LINK_INFO_DATA_IPGRE_TUNNEL] = "gre", |
1af2536a | 202 | [NL_UNION_LINK_INFO_DATA_IPGRETAP_TUNNEL] = "gretap", |
b16492f8 SS |
203 | [NL_UNION_LINK_INFO_DATA_IP6GRE_TUNNEL] = "ip6gre", |
204 | [NL_UNION_LINK_INFO_DATA_IP6GRETAP_TUNNEL] = "ip6gretap", | |
0a827d10 | 205 | [NL_UNION_LINK_INFO_DATA_SIT_TUNNEL] = "sit", |
a613382b | 206 | [NL_UNION_LINK_INFO_DATA_VTI_TUNNEL] = "vti", |
9011ce77 | 207 | [NL_UNION_LINK_INFO_DATA_VTI6_TUNNEL] = "vti6", |
855ee1a1 | 208 | [NL_UNION_LINK_INFO_DATA_IP6TNL_TUNNEL] = "ip6tnl", |
d8e538ec TG |
209 | }; |
210 | ||
211 | DEFINE_STRING_TABLE_LOOKUP(nl_union_link_info_data, NLUnionLinkInfoData); | |
212 | ||
213 | static const NLTypeSystem rtnl_link_info_data_type_systems[_NL_UNION_LINK_INFO_DATA_MAX] = { | |
0a827d10 SS |
214 | [NL_UNION_LINK_INFO_DATA_BOND] = { .max = ELEMENTSOF(rtnl_link_info_data_bond_types) - 1, |
215 | .types = rtnl_link_info_data_bond_types }, | |
216 | [NL_UNION_LINK_INFO_DATA_BRIDGE] = { .max = ELEMENTSOF(rtnl_link_info_data_bridge_types) - 1, | |
217 | .types = rtnl_link_info_data_bridge_types }, | |
218 | [NL_UNION_LINK_INFO_DATA_VLAN] = { .max = ELEMENTSOF(rtnl_link_info_data_vlan_types) - 1, | |
219 | .types = rtnl_link_info_data_vlan_types }, | |
220 | [NL_UNION_LINK_INFO_DATA_VETH] = { .max = ELEMENTSOF(rtnl_link_info_data_veth_types) - 1, | |
221 | .types = rtnl_link_info_data_veth_types }, | |
222 | [NL_UNION_LINK_INFO_DATA_MACVLAN] = { .max = ELEMENTSOF(rtnl_link_info_data_macvlan_types) - 1, | |
223 | .types = rtnl_link_info_data_macvlan_types }, | |
c4a5ddc9 TG |
224 | [NL_UNION_LINK_INFO_DATA_IPVLAN] = { .max = ELEMENTSOF(rtnl_link_info_data_ipvlan_types) - 1, |
225 | .types = rtnl_link_info_data_ipvlan_types }, | |
6ef81477 SS |
226 | [NL_UNION_LINK_INFO_DATA_VXLAN] = { .max = ELEMENTSOF(rtnl_link_info_data_vxlan_types) - 1, |
227 | .types = rtnl_link_info_data_vxlan_types }, | |
0a827d10 SS |
228 | [NL_UNION_LINK_INFO_DATA_IPIP_TUNNEL] = { .max = ELEMENTSOF(rtnl_link_info_data_iptun_types) - 1, |
229 | .types = rtnl_link_info_data_iptun_types }, | |
8bb088c5 SS |
230 | [NL_UNION_LINK_INFO_DATA_IPGRE_TUNNEL] = { .max = ELEMENTSOF(rtnl_link_info_data_ipgre_types) - 1, |
231 | .types = rtnl_link_info_data_ipgre_types }, | |
1af2536a SS |
232 | [NL_UNION_LINK_INFO_DATA_IPGRETAP_TUNNEL] = { .max = ELEMENTSOF(rtnl_link_info_data_ipgre_types) - 1, |
233 | .types = rtnl_link_info_data_ipgre_types }, | |
b16492f8 SS |
234 | [NL_UNION_LINK_INFO_DATA_IP6GRE_TUNNEL] = { .max = ELEMENTSOF(rtnl_link_info_data_ipgre_types) - 1, |
235 | .types = rtnl_link_info_data_ipgre_types }, | |
236 | [NL_UNION_LINK_INFO_DATA_IP6GRETAP_TUNNEL] = { .max = ELEMENTSOF(rtnl_link_info_data_ipgre_types) - 1, | |
237 | .types = rtnl_link_info_data_ipgre_types }, | |
0a827d10 SS |
238 | [NL_UNION_LINK_INFO_DATA_SIT_TUNNEL] = { .max = ELEMENTSOF(rtnl_link_info_data_iptun_types) - 1, |
239 | .types = rtnl_link_info_data_iptun_types }, | |
a613382b SS |
240 | [NL_UNION_LINK_INFO_DATA_VTI_TUNNEL] = { .max = ELEMENTSOF(rtnl_link_info_data_ipvti_types) - 1, |
241 | .types = rtnl_link_info_data_ipvti_types }, | |
9011ce77 SS |
242 | [NL_UNION_LINK_INFO_DATA_VTI6_TUNNEL] = { .max = ELEMENTSOF(rtnl_link_info_data_ipvti_types) - 1, |
243 | .types = rtnl_link_info_data_ipvti_types }, | |
855ee1a1 SS |
244 | [NL_UNION_LINK_INFO_DATA_IP6TNL_TUNNEL] = { .max = ELEMENTSOF(rtnl_link_info_data_ip6tnl_types) - 1, |
245 | .types = rtnl_link_info_data_ip6tnl_types }, | |
246 | ||
d8e538ec TG |
247 | }; |
248 | ||
249 | static const NLTypeSystemUnion rtnl_link_info_data_type_system_union = { | |
250 | .num = _NL_UNION_LINK_INFO_DATA_MAX, | |
251 | .lookup = nl_union_link_info_data_from_string, | |
252 | .type_systems = rtnl_link_info_data_type_systems, | |
4af7b60d | 253 | .match_type = NL_MATCH_SIBLING, |
d8e538ec TG |
254 | .match = IFLA_INFO_KIND, |
255 | }; | |
256 | ||
257 | static const NLType rtnl_link_info_types[IFLA_INFO_MAX + 1] = { | |
258 | [IFLA_INFO_KIND] = { .type = NLA_STRING }, | |
259 | [IFLA_INFO_DATA] = { .type = NLA_UNION, .type_system_union = &rtnl_link_info_data_type_system_union}, | |
260 | /* | |
261 | [IFLA_INFO_XSTATS], | |
262 | [IFLA_INFO_SLAVE_KIND] = { .type = NLA_STRING }, | |
263 | [IFLA_INFO_SLAVE_DATA] = { .type = NLA_NESTED }, | |
264 | */ | |
265 | }; | |
266 | ||
267 | static const NLTypeSystem rtnl_link_info_type_system = { | |
268 | .max = ELEMENTSOF(rtnl_link_info_types) - 1, | |
269 | .types = rtnl_link_info_types, | |
270 | }; | |
271 | ||
4af7b60d | 272 | static const struct NLType rtnl_prot_info_bridge_port_types[IFLA_BRPORT_MAX + 1] = { |
d0159fdc SS |
273 | [IFLA_BRPORT_STATE] = { .type = NLA_U8 }, |
274 | [IFLA_BRPORT_COST] = { .type = NLA_U32 }, | |
275 | [IFLA_BRPORT_PRIORITY] = { .type = NLA_U16 }, | |
276 | [IFLA_BRPORT_MODE] = { .type = NLA_U8 }, | |
277 | [IFLA_BRPORT_GUARD] = { .type = NLA_U8 }, | |
278 | [IFLA_BRPORT_PROTECT] = { .type = NLA_U8 }, | |
279 | [IFLA_BRPORT_LEARNING] = { .type = NLA_U8 }, | |
280 | [IFLA_BRPORT_UNICAST_FLOOD] = { .type = NLA_U8 }, | |
281 | }; | |
282 | ||
4af7b60d TG |
283 | static const NLTypeSystem rtnl_prot_info_type_systems[AF_MAX] = { |
284 | [AF_BRIDGE] = { .max = ELEMENTSOF(rtnl_prot_info_bridge_port_types) - 1, | |
285 | .types = rtnl_prot_info_bridge_port_types }, | |
286 | }; | |
287 | ||
288 | static const NLTypeSystemUnion rtnl_prot_info_type_system_union = { | |
289 | .num = AF_MAX, | |
290 | .type_systems = rtnl_prot_info_type_systems, | |
291 | .match_type = NL_MATCH_PROTOCOL, | |
d0159fdc SS |
292 | }; |
293 | ||
c149ae08 TG |
294 | static const struct NLType rtnl_af_spec_inet6_types[IFLA_INET6_MAX + 1] = { |
295 | [IFLA_INET6_FLAGS] = { .type = NLA_U32 }, | |
296 | /* | |
297 | IFLA_INET6_CONF, | |
298 | IFLA_INET6_STATS, | |
299 | IFLA_INET6_MCAST, | |
300 | IFLA_INET6_CACHEINFO, | |
301 | IFLA_INET6_ICMP6STATS, | |
302 | */ | |
303 | [IFLA_INET6_TOKEN] = { .type = NLA_IN_ADDR }, | |
304 | [IFLA_INET6_ADDR_GEN_MODE] = { .type = NLA_U8 }, | |
305 | }; | |
306 | ||
73cb1c14 TG |
307 | static const NLTypeSystem rtnl_af_spec_inet6_type_system = { |
308 | .max = ELEMENTSOF(rtnl_af_spec_inet6_types) - 1, | |
309 | .types = rtnl_af_spec_inet6_types, | |
c149ae08 TG |
310 | }; |
311 | ||
73cb1c14 TG |
312 | static const NLType rtnl_af_spec_types[AF_MAX + 1] = { |
313 | [AF_INET6] = { .type = NLA_NESTED, .type_system = &rtnl_af_spec_inet6_type_system }, | |
314 | }; | |
315 | ||
316 | static const NLTypeSystem rtnl_af_spec_type_system = { | |
317 | .max = ELEMENTSOF(rtnl_af_spec_types) - 1, | |
318 | .types = rtnl_af_spec_types, | |
c149ae08 TG |
319 | }; |
320 | ||
d0159fdc | 321 | static const NLType rtnl_link_types[IFLA_MAX + 1 ] = { |
d8e538ec TG |
322 | [IFLA_ADDRESS] = { .type = NLA_ETHER_ADDR, }, |
323 | [IFLA_BROADCAST] = { .type = NLA_ETHER_ADDR, }, | |
324 | [IFLA_IFNAME] = { .type = NLA_STRING, .size = IFNAMSIZ - 1, }, | |
325 | [IFLA_MTU] = { .type = NLA_U32 }, | |
326 | [IFLA_LINK] = { .type = NLA_U32 }, | |
327 | /* | |
328 | [IFLA_QDISC], | |
329 | [IFLA_STATS], | |
330 | [IFLA_COST], | |
331 | [IFLA_PRIORITY], | |
332 | */ | |
333 | [IFLA_MASTER] = { .type = NLA_U32 }, | |
334 | /* | |
335 | [IFLA_WIRELESS], | |
d8e538ec | 336 | */ |
4af7b60d | 337 | [IFLA_PROTINFO] = { .type = NLA_UNION, .type_system_union = &rtnl_prot_info_type_system_union }, |
d8e538ec TG |
338 | [IFLA_TXQLEN] = { .type = NLA_U32 }, |
339 | /* | |
340 | [IFLA_MAP] = { .len = sizeof(struct rtnl_link_ifmap) }, | |
341 | */ | |
342 | [IFLA_WEIGHT] = { .type = NLA_U32 }, | |
343 | [IFLA_OPERSTATE] = { .type = NLA_U8 }, | |
344 | [IFLA_LINKMODE] = { .type = NLA_U8 }, | |
345 | [IFLA_LINKINFO] = { .type = NLA_NESTED, .type_system = &rtnl_link_info_type_system }, | |
346 | [IFLA_NET_NS_PID] = { .type = NLA_U32 }, | |
347 | [IFLA_IFALIAS] = { .type = NLA_STRING, .size = IFALIASZ - 1 }, | |
348 | /* | |
349 | [IFLA_NUM_VF], | |
350 | [IFLA_VFINFO_LIST] = {. type = NLA_NESTED, }, | |
351 | [IFLA_STATS64], | |
352 | [IFLA_VF_PORTS] = { .type = NLA_NESTED }, | |
353 | [IFLA_PORT_SELF] = { .type = NLA_NESTED }, | |
c149ae08 | 354 | */ |
73cb1c14 | 355 | [IFLA_AF_SPEC] = { .type = NLA_NESTED, .type_system = &rtnl_af_spec_type_system }, |
c149ae08 | 356 | /* |
d8e538ec TG |
357 | [IFLA_VF_PORTS], |
358 | [IFLA_PORT_SELF], | |
359 | [IFLA_AF_SPEC], | |
360 | */ | |
361 | [IFLA_GROUP] = { .type = NLA_U32 }, | |
362 | [IFLA_NET_NS_FD] = { .type = NLA_U32 }, | |
363 | [IFLA_EXT_MASK] = { .type = NLA_U32 }, | |
364 | [IFLA_PROMISCUITY] = { .type = NLA_U32 }, | |
365 | [IFLA_NUM_TX_QUEUES] = { .type = NLA_U32 }, | |
366 | [IFLA_NUM_RX_QUEUES] = { .type = NLA_U32 }, | |
367 | [IFLA_CARRIER] = { .type = NLA_U8 }, | |
368 | /* | |
369 | [IFLA_PHYS_PORT_ID] = { .type = NLA_BINARY, .len = MAX_PHYS_PORT_ID_LEN }, | |
370 | */ | |
371 | }; | |
372 | ||
373 | static const NLTypeSystem rtnl_link_type_system = { | |
374 | .max = ELEMENTSOF(rtnl_link_types) - 1, | |
375 | .types = rtnl_link_types, | |
376 | }; | |
377 | ||
de79f906 LP |
378 | /* IFA_FLAGS was defined in kernel 3.14, but we still support older |
379 | * kernels where IFA_MAX is lower. */ | |
380 | static const NLType rtnl_address_types[CONST_MAX(IFA_MAX, IFA_FLAGS) + 1] = { | |
d8e538ec TG |
381 | [IFA_ADDRESS] = { .type = NLA_IN_ADDR }, |
382 | [IFA_LOCAL] = { .type = NLA_IN_ADDR }, | |
383 | [IFA_LABEL] = { .type = NLA_STRING, .size = IFNAMSIZ - 1 }, | |
384 | [IFA_BROADCAST] = { .type = NLA_IN_ADDR }, /* 6? */ | |
aba496a5 | 385 | [IFA_CACHEINFO] = { .type = NLA_CACHE_INFO, .size = sizeof(struct ifa_cacheinfo) }, |
d8e538ec TG |
386 | /* |
387 | [IFA_ANYCAST], | |
d8e538ec TG |
388 | [IFA_MULTICAST], |
389 | */ | |
d8e538ec | 390 | [IFA_FLAGS] = { .type = NLA_U32 }, |
d8e538ec TG |
391 | }; |
392 | ||
393 | static const NLTypeSystem rtnl_address_type_system = { | |
394 | .max = ELEMENTSOF(rtnl_address_types) - 1, | |
395 | .types = rtnl_address_types, | |
396 | }; | |
397 | ||
398 | static const NLType rtnl_route_types[RTA_MAX + 1] = { | |
399 | [RTA_DST] = { .type = NLA_IN_ADDR }, /* 6? */ | |
400 | [RTA_SRC] = { .type = NLA_IN_ADDR }, /* 6? */ | |
401 | [RTA_IIF] = { .type = NLA_U32 }, | |
402 | [RTA_OIF] = { .type = NLA_U32 }, | |
403 | [RTA_GATEWAY] = { .type = NLA_IN_ADDR }, | |
404 | [RTA_PRIORITY] = { .type = NLA_U32 }, | |
405 | [RTA_PREFSRC] = { .type = NLA_IN_ADDR }, /* 6? */ | |
406 | /* | |
407 | [RTA_METRICS] = { .type = NLA_NESTED }, | |
408 | [RTA_MULTIPATH] = { .len = sizeof(struct rtnexthop) }, | |
409 | */ | |
410 | [RTA_FLOW] = { .type = NLA_U32 }, /* 6? */ | |
411 | /* | |
412 | RTA_CACHEINFO, | |
413 | RTA_TABLE, | |
414 | RTA_MARK, | |
415 | RTA_MFC_STATS, | |
416 | */ | |
417 | }; | |
418 | ||
419 | static const NLTypeSystem rtnl_route_type_system = { | |
420 | .max = ELEMENTSOF(rtnl_route_types) - 1, | |
421 | .types = rtnl_route_types, | |
422 | }; | |
423 | ||
e559b384 TG |
424 | static const NLType rtnl_neigh_types[NDA_MAX + 1] = { |
425 | [NDA_DST] = { .type = NLA_IN_ADDR }, | |
426 | [NDA_LLADDR] = { .type = NLA_ETHER_ADDR }, | |
b98b483b AR |
427 | [NDA_CACHEINFO] = { .type = NLA_CACHE_INFO, .size = sizeof(struct nda_cacheinfo) }, |
428 | [NDA_PROBES] = { .type = NLA_U32 }, | |
429 | [NDA_VLAN] = { .type = NLA_U16 }, | |
430 | [NDA_PORT] = { .type = NLA_U16 }, | |
431 | [NDA_VNI] = { .type = NLA_U32 }, | |
432 | [NDA_IFINDEX] = { .type = NLA_U32 }, | |
e559b384 TG |
433 | }; |
434 | ||
435 | static const NLTypeSystem rtnl_neigh_type_system = { | |
436 | .max = ELEMENTSOF(rtnl_neigh_types) - 1, | |
437 | .types = rtnl_neigh_types, | |
438 | }; | |
439 | ||
d8e538ec | 440 | static const NLType rtnl_types[RTM_MAX + 1] = { |
ea342a99 | 441 | [NLMSG_DONE] = { .type = NLA_META, .size = 0 }, |
d8e538ec TG |
442 | [NLMSG_ERROR] = { .type = NLA_META, .size = sizeof(struct nlmsgerr) }, |
443 | [RTM_NEWLINK] = { .type = NLA_NESTED, .type_system = &rtnl_link_type_system, .size = sizeof(struct ifinfomsg) }, | |
444 | [RTM_DELLINK] = { .type = NLA_NESTED, .type_system = &rtnl_link_type_system, .size = sizeof(struct ifinfomsg) }, | |
445 | [RTM_GETLINK] = { .type = NLA_NESTED, .type_system = &rtnl_link_type_system, .size = sizeof(struct ifinfomsg) }, | |
446 | [RTM_SETLINK] = { .type = NLA_NESTED, .type_system = &rtnl_link_type_system, .size = sizeof(struct ifinfomsg) }, | |
447 | [RTM_NEWADDR] = { .type = NLA_NESTED, .type_system = &rtnl_address_type_system, .size = sizeof(struct ifaddrmsg) }, | |
448 | [RTM_DELADDR] = { .type = NLA_NESTED, .type_system = &rtnl_address_type_system, .size = sizeof(struct ifaddrmsg) }, | |
449 | [RTM_GETADDR] = { .type = NLA_NESTED, .type_system = &rtnl_address_type_system, .size = sizeof(struct ifaddrmsg) }, | |
450 | [RTM_NEWROUTE] = { .type = NLA_NESTED, .type_system = &rtnl_route_type_system, .size = sizeof(struct rtmsg) }, | |
451 | [RTM_DELROUTE] = { .type = NLA_NESTED, .type_system = &rtnl_route_type_system, .size = sizeof(struct rtmsg) }, | |
452 | [RTM_GETROUTE] = { .type = NLA_NESTED, .type_system = &rtnl_route_type_system, .size = sizeof(struct rtmsg) }, | |
e559b384 TG |
453 | [RTM_NEWNEIGH] = { .type = NLA_NESTED, .type_system = &rtnl_neigh_type_system, .size = sizeof(struct ndmsg) }, |
454 | [RTM_DELNEIGH] = { .type = NLA_NESTED, .type_system = &rtnl_neigh_type_system, .size = sizeof(struct ndmsg) }, | |
455 | [RTM_GETNEIGH] = { .type = NLA_NESTED, .type_system = &rtnl_neigh_type_system, .size = sizeof(struct ndmsg) }, | |
d8e538ec TG |
456 | }; |
457 | ||
458 | const NLTypeSystem rtnl_type_system = { | |
459 | .max = ELEMENTSOF(rtnl_types) - 1, | |
460 | .types = rtnl_types, | |
461 | }; | |
462 | ||
463 | int type_system_get_type(const NLTypeSystem *type_system, const NLType **ret, uint16_t type) { | |
464 | const NLType *nl_type; | |
465 | ||
466 | assert(ret); | |
467 | ||
468 | if (!type_system) | |
469 | type_system = &rtnl_type_system; | |
470 | ||
471 | assert(type_system->types); | |
472 | ||
473 | if (type > type_system->max) | |
15411c0c | 474 | return -EOPNOTSUPP; |
d8e538ec TG |
475 | |
476 | nl_type = &type_system->types[type]; | |
477 | ||
478 | if (nl_type->type == NLA_UNSPEC) | |
15411c0c | 479 | return -EOPNOTSUPP; |
d8e538ec TG |
480 | |
481 | *ret = nl_type; | |
482 | ||
483 | return 0; | |
484 | } | |
485 | ||
486 | int type_system_get_type_system(const NLTypeSystem *type_system, const NLTypeSystem **ret, uint16_t type) { | |
487 | const NLType *nl_type; | |
488 | int r; | |
489 | ||
490 | assert(ret); | |
491 | ||
492 | r = type_system_get_type(type_system, &nl_type, type); | |
493 | if (r < 0) | |
494 | return r; | |
495 | ||
f8a6ca1b | 496 | assert(nl_type->type == NLA_NESTED); |
d8e538ec TG |
497 | assert(nl_type->type_system); |
498 | ||
499 | *ret = nl_type->type_system; | |
500 | ||
501 | return 0; | |
502 | } | |
503 | ||
504 | int type_system_get_type_system_union(const NLTypeSystem *type_system, const NLTypeSystemUnion **ret, uint16_t type) { | |
505 | const NLType *nl_type; | |
506 | int r; | |
507 | ||
508 | assert(ret); | |
509 | ||
510 | r = type_system_get_type(type_system, &nl_type, type); | |
511 | if (r < 0) | |
512 | return r; | |
513 | ||
f8a6ca1b | 514 | assert(nl_type->type == NLA_UNION); |
d8e538ec TG |
515 | assert(nl_type->type_system_union); |
516 | ||
517 | *ret = nl_type->type_system_union; | |
518 | ||
519 | return 0; | |
520 | } | |
521 | ||
522 | int type_system_union_get_type_system(const NLTypeSystemUnion *type_system_union, const NLTypeSystem **ret, const char *key) { | |
523 | int type; | |
524 | ||
525 | assert(type_system_union); | |
f8a6ca1b | 526 | assert(type_system_union->match_type == NL_MATCH_SIBLING); |
d8e538ec TG |
527 | assert(type_system_union->lookup); |
528 | assert(type_system_union->type_systems); | |
529 | assert(ret); | |
530 | assert(key); | |
531 | ||
532 | type = type_system_union->lookup(key); | |
533 | if (type < 0) | |
15411c0c | 534 | return -EOPNOTSUPP; |
d8e538ec TG |
535 | |
536 | assert(type < type_system_union->num); | |
537 | ||
538 | *ret = &type_system_union->type_systems[type]; | |
539 | ||
540 | return 0; | |
541 | } | |
4af7b60d TG |
542 | |
543 | int type_system_union_protocol_get_type_system(const NLTypeSystemUnion *type_system_union, const NLTypeSystem **ret, uint16_t protocol) { | |
544 | const NLTypeSystem *type_system; | |
545 | ||
546 | assert(type_system_union); | |
547 | assert(type_system_union->type_systems); | |
f8a6ca1b | 548 | assert(type_system_union->match_type == NL_MATCH_PROTOCOL); |
4af7b60d | 549 | assert(ret); |
4af7b60d TG |
550 | |
551 | if (protocol >= type_system_union->num) | |
15411c0c | 552 | return -EOPNOTSUPP; |
4af7b60d TG |
553 | |
554 | type_system = &type_system_union->type_systems[protocol]; | |
09c41fee | 555 | if (type_system->max == 0) |
15411c0c | 556 | return -EOPNOTSUPP; |
4af7b60d TG |
557 | |
558 | *ret = type_system; | |
559 | ||
560 | return 0; | |
561 | } |