1 /*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
4 This file is part of systemd.
6 Copyright 2014 Tom Gundersen <teg@jklm.no>
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.
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.
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/>.
23 #include <sys/socket.h>
24 #include <linux/netlink.h>
25 #include <linux/rtnetlink.h>
26 #include <linux/in6.h>
27 #include <linux/veth.h>
28 #include <linux/if_bridge.h>
29 #include <linux/if_addr.h>
33 #include <linux/if_link.h>
34 #include <linux/if_tunnel.h>
39 #include "netlink-types.h"
42 /* Maximum ARP IP target defined in kernel */
43 #define BOND_MAX_ARP_TARGETS 16
61 BOND_ARP_TARGETS_MAX = BOND_MAX_ARP_TARGETS,
67 const NLTypeSystem *type_system;
68 const NLTypeSystemUnion *type_system_union;
76 static const NLTypeSystem rtnl_link_type_system;
78 static const NLType empty_types[1] = {
79 /* fake array to avoid .types==NULL, which denotes invalid type-systems */
82 static const NLTypeSystem empty_type_system = {
87 static const NLType rtnl_link_info_data_veth_types[VETH_INFO_MAX + 1] = {
88 [VETH_INFO_PEER] = { .type = NETLINK_TYPE_NESTED, .type_system = &rtnl_link_type_system, .size = sizeof(struct ifinfomsg) },
91 static const NLType rtnl_link_info_data_ipvlan_types[IFLA_IPVLAN_MAX + 1] = {
92 [IFLA_IPVLAN_MODE] = { .type = NETLINK_TYPE_U16 },
95 static const NLType rtnl_link_info_data_macvlan_types[IFLA_MACVLAN_MAX + 1] = {
96 [IFLA_MACVLAN_MODE] = { .type = NETLINK_TYPE_U32 },
97 [IFLA_MACVLAN_FLAGS] = { .type = NETLINK_TYPE_U16 },
100 static const NLType rtnl_link_info_data_bridge_types[IFLA_BRIDGE_MAX + 1] = {
101 [IFLA_BRIDGE_FLAGS] = { .type = NETLINK_TYPE_U16 },
102 [IFLA_BRIDGE_MODE] = { .type = NETLINK_TYPE_U16 },
104 [IFLA_BRIDGE_VLAN_INFO] = { .type = NETLINK_TYPE_BINARY,
105 .len = sizeof(struct bridge_vlan_info), },
109 static const NLType rtnl_link_info_data_vlan_types[IFLA_VLAN_MAX + 1] = {
110 [IFLA_VLAN_ID] = { .type = NETLINK_TYPE_U16 },
112 [IFLA_VLAN_FLAGS] = { .len = sizeof(struct ifla_vlan_flags) },
113 [IFLA_VLAN_EGRESS_QOS] = { .type = NETLINK_TYPE_NESTED },
114 [IFLA_VLAN_INGRESS_QOS] = { .type = NETLINK_TYPE_NESTED },
116 [IFLA_VLAN_PROTOCOL] = { .type = NETLINK_TYPE_U16 },
119 static const NLType rtnl_link_info_data_vxlan_types[IFLA_VXLAN_MAX+1] = {
120 [IFLA_VXLAN_ID] = { .type = NETLINK_TYPE_U32 },
121 [IFLA_VXLAN_GROUP] = { .type = NETLINK_TYPE_IN_ADDR },
122 [IFLA_VXLAN_LINK] = { .type = NETLINK_TYPE_U32 },
123 [IFLA_VXLAN_LOCAL] = { .type = NETLINK_TYPE_U32},
124 [IFLA_VXLAN_TTL] = { .type = NETLINK_TYPE_U8 },
125 [IFLA_VXLAN_TOS] = { .type = NETLINK_TYPE_U8 },
126 [IFLA_VXLAN_LEARNING] = { .type = NETLINK_TYPE_U8 },
127 [IFLA_VXLAN_AGEING] = { .type = NETLINK_TYPE_U32 },
128 [IFLA_VXLAN_LIMIT] = { .type = NETLINK_TYPE_U32 },
129 [IFLA_VXLAN_PORT_RANGE] = { .type = NETLINK_TYPE_U32},
130 [IFLA_VXLAN_PROXY] = { .type = NETLINK_TYPE_U8 },
131 [IFLA_VXLAN_RSC] = { .type = NETLINK_TYPE_U8 },
132 [IFLA_VXLAN_L2MISS] = { .type = NETLINK_TYPE_U8 },
133 [IFLA_VXLAN_L3MISS] = { .type = NETLINK_TYPE_U8 },
134 [IFLA_VXLAN_PORT] = { .type = NETLINK_TYPE_U16 },
135 [IFLA_VXLAN_GROUP6] = { .type = NETLINK_TYPE_IN_ADDR },
136 [IFLA_VXLAN_LOCAL6] = { .type = NETLINK_TYPE_IN_ADDR },
137 [IFLA_VXLAN_UDP_CSUM] = { .type = NETLINK_TYPE_U8 },
138 [IFLA_VXLAN_UDP_ZERO_CSUM6_TX] = { .type = NETLINK_TYPE_U8 },
139 [IFLA_VXLAN_UDP_ZERO_CSUM6_RX] = { .type = NETLINK_TYPE_U8 },
140 [IFLA_VXLAN_REMCSUM_TX] = { .type = NETLINK_TYPE_U8 },
141 [IFLA_VXLAN_REMCSUM_RX] = { .type = NETLINK_TYPE_U8 },
142 [IFLA_VXLAN_GBP] = { .type = NETLINK_TYPE_FLAG },
143 [IFLA_VXLAN_REMCSUM_NOPARTIAL] = { .type = NETLINK_TYPE_FLAG },
146 static const NLType rtnl_bond_arp_target_types[BOND_ARP_TARGETS_MAX + 1] = {
147 [BOND_ARP_TARGETS_0] = { .type = NETLINK_TYPE_U32 },
148 [BOND_ARP_TARGETS_1] = { .type = NETLINK_TYPE_U32 },
149 [BOND_ARP_TARGETS_2] = { .type = NETLINK_TYPE_U32 },
150 [BOND_ARP_TARGETS_3] = { .type = NETLINK_TYPE_U32 },
151 [BOND_ARP_TARGETS_4] = { .type = NETLINK_TYPE_U32 },
152 [BOND_ARP_TARGETS_5] = { .type = NETLINK_TYPE_U32 },
153 [BOND_ARP_TARGETS_6] = { .type = NETLINK_TYPE_U32 },
154 [BOND_ARP_TARGETS_7] = { .type = NETLINK_TYPE_U32 },
155 [BOND_ARP_TARGETS_8] = { .type = NETLINK_TYPE_U32 },
156 [BOND_ARP_TARGETS_9] = { .type = NETLINK_TYPE_U32 },
157 [BOND_ARP_TARGETS_10] = { .type = NETLINK_TYPE_U32 },
158 [BOND_ARP_TARGETS_11] = { .type = NETLINK_TYPE_U32 },
159 [BOND_ARP_TARGETS_12] = { .type = NETLINK_TYPE_U32 },
160 [BOND_ARP_TARGETS_13] = { .type = NETLINK_TYPE_U32 },
161 [BOND_ARP_TARGETS_14] = { .type = NETLINK_TYPE_U32 },
162 [BOND_ARP_TARGETS_MAX] = { .type = NETLINK_TYPE_U32 },
165 static const NLTypeSystem rtnl_bond_arp_type_system = {
166 .count = ELEMENTSOF(rtnl_bond_arp_target_types),
167 .types = rtnl_bond_arp_target_types,
170 static const NLType rtnl_link_info_data_bond_types[IFLA_BOND_MAX + 1] = {
171 [IFLA_BOND_MODE] = { .type = NETLINK_TYPE_U8 },
172 [IFLA_BOND_ACTIVE_SLAVE] = { .type = NETLINK_TYPE_U32 },
173 [IFLA_BOND_MIIMON] = { .type = NETLINK_TYPE_U32 },
174 [IFLA_BOND_UPDELAY] = { .type = NETLINK_TYPE_U32 },
175 [IFLA_BOND_DOWNDELAY] = { .type = NETLINK_TYPE_U32 },
176 [IFLA_BOND_USE_CARRIER] = { .type = NETLINK_TYPE_U8 },
177 [IFLA_BOND_ARP_INTERVAL] = { .type = NETLINK_TYPE_U32 },
178 [IFLA_BOND_ARP_IP_TARGET] = { .type = NETLINK_TYPE_NESTED, .type_system = &rtnl_bond_arp_type_system },
179 [IFLA_BOND_ARP_VALIDATE] = { .type = NETLINK_TYPE_U32 },
180 [IFLA_BOND_ARP_ALL_TARGETS] = { .type = NETLINK_TYPE_U32 },
181 [IFLA_BOND_PRIMARY] = { .type = NETLINK_TYPE_U32 },
182 [IFLA_BOND_PRIMARY_RESELECT] = { .type = NETLINK_TYPE_U8 },
183 [IFLA_BOND_FAIL_OVER_MAC] = { .type = NETLINK_TYPE_U8 },
184 [IFLA_BOND_XMIT_HASH_POLICY] = { .type = NETLINK_TYPE_U8 },
185 [IFLA_BOND_RESEND_IGMP] = { .type = NETLINK_TYPE_U32 },
186 [IFLA_BOND_NUM_PEER_NOTIF] = { .type = NETLINK_TYPE_U8 },
187 [IFLA_BOND_ALL_SLAVES_ACTIVE] = { .type = NETLINK_TYPE_U8 },
188 [IFLA_BOND_MIN_LINKS] = { .type = NETLINK_TYPE_U32 },
189 [IFLA_BOND_LP_INTERVAL] = { .type = NETLINK_TYPE_U32 },
190 [IFLA_BOND_PACKETS_PER_SLAVE] = { .type = NETLINK_TYPE_U32 },
191 [IFLA_BOND_AD_LACP_RATE] = { .type = NETLINK_TYPE_U8 },
192 [IFLA_BOND_AD_SELECT] = { .type = NETLINK_TYPE_U8 },
193 [IFLA_BOND_AD_INFO] = { .type = NETLINK_TYPE_NESTED },
196 static const NLType rtnl_link_info_data_iptun_types[IFLA_IPTUN_MAX + 1] = {
197 [IFLA_IPTUN_LINK] = { .type = NETLINK_TYPE_U32 },
198 [IFLA_IPTUN_LOCAL] = { .type = NETLINK_TYPE_IN_ADDR },
199 [IFLA_IPTUN_REMOTE] = { .type = NETLINK_TYPE_IN_ADDR },
200 [IFLA_IPTUN_TTL] = { .type = NETLINK_TYPE_U8 },
201 [IFLA_IPTUN_TOS] = { .type = NETLINK_TYPE_U8 },
202 [IFLA_IPTUN_PMTUDISC] = { .type = NETLINK_TYPE_U8 },
203 [IFLA_IPTUN_FLAGS] = { .type = NETLINK_TYPE_U16 },
204 [IFLA_IPTUN_PROTO] = { .type = NETLINK_TYPE_U8 },
205 [IFLA_IPTUN_6RD_PREFIX] = { .type = NETLINK_TYPE_IN_ADDR },
206 [IFLA_IPTUN_6RD_RELAY_PREFIX] = { .type = NETLINK_TYPE_U32 },
207 [IFLA_IPTUN_6RD_PREFIXLEN] = { .type = NETLINK_TYPE_U16 },
208 [IFLA_IPTUN_6RD_RELAY_PREFIXLEN] = { .type = NETLINK_TYPE_U16 },
209 [IFLA_IPTUN_ENCAP_TYPE] = { .type = NETLINK_TYPE_U16 },
210 [IFLA_IPTUN_ENCAP_FLAGS] = { .type = NETLINK_TYPE_U16 },
211 [IFLA_IPTUN_ENCAP_SPORT] = { .type = NETLINK_TYPE_U16 },
212 [IFLA_IPTUN_ENCAP_DPORT] = { .type = NETLINK_TYPE_U16 },
215 static const NLType rtnl_link_info_data_ipgre_types[IFLA_GRE_MAX + 1] = {
216 [IFLA_GRE_LINK] = { .type = NETLINK_TYPE_U32 },
217 [IFLA_GRE_IFLAGS] = { .type = NETLINK_TYPE_U16 },
218 [IFLA_GRE_OFLAGS] = { .type = NETLINK_TYPE_U16 },
219 [IFLA_GRE_IKEY] = { .type = NETLINK_TYPE_U32 },
220 [IFLA_GRE_OKEY] = { .type = NETLINK_TYPE_U32 },
221 [IFLA_GRE_LOCAL] = { .type = NETLINK_TYPE_IN_ADDR },
222 [IFLA_GRE_REMOTE] = { .type = NETLINK_TYPE_IN_ADDR },
223 [IFLA_GRE_TTL] = { .type = NETLINK_TYPE_U8 },
224 [IFLA_GRE_TOS] = { .type = NETLINK_TYPE_U8 },
225 [IFLA_GRE_PMTUDISC] = { .type = NETLINK_TYPE_U8 },
226 [IFLA_GRE_FLOWINFO] = { .type = NETLINK_TYPE_U32 },
227 [IFLA_GRE_FLAGS] = { .type = NETLINK_TYPE_U32 },
228 [IFLA_GRE_ENCAP_TYPE] = { .type = NETLINK_TYPE_U16 },
229 [IFLA_GRE_ENCAP_FLAGS] = { .type = NETLINK_TYPE_U16 },
230 [IFLA_GRE_ENCAP_SPORT] = { .type = NETLINK_TYPE_U16 },
231 [IFLA_GRE_ENCAP_DPORT] = { .type = NETLINK_TYPE_U16 },
234 static const NLType rtnl_link_info_data_ipvti_types[IFLA_VTI_MAX + 1] = {
235 [IFLA_VTI_LINK] = { .type = NETLINK_TYPE_U32 },
236 [IFLA_VTI_IKEY] = { .type = NETLINK_TYPE_U32 },
237 [IFLA_VTI_OKEY] = { .type = NETLINK_TYPE_U32 },
238 [IFLA_VTI_LOCAL] = { .type = NETLINK_TYPE_IN_ADDR },
239 [IFLA_VTI_REMOTE] = { .type = NETLINK_TYPE_IN_ADDR },
242 static const NLType rtnl_link_info_data_ip6tnl_types[IFLA_IPTUN_MAX + 1] = {
243 [IFLA_IPTUN_LINK] = { .type = NETLINK_TYPE_U32 },
244 [IFLA_IPTUN_LOCAL] = { .type = NETLINK_TYPE_IN_ADDR },
245 [IFLA_IPTUN_REMOTE] = { .type = NETLINK_TYPE_IN_ADDR },
246 [IFLA_IPTUN_TTL] = { .type = NETLINK_TYPE_U8 },
247 [IFLA_IPTUN_FLAGS] = { .type = NETLINK_TYPE_U32 },
248 [IFLA_IPTUN_PROTO] = { .type = NETLINK_TYPE_U8 },
249 [IFLA_IPTUN_ENCAP_LIMIT] = { .type = NETLINK_TYPE_U8 },
250 [IFLA_IPTUN_FLOWINFO] = { .type = NETLINK_TYPE_U32 },
253 /* these strings must match the .kind entries in the kernel */
254 static const char* const nl_union_link_info_data_table[_NL_UNION_LINK_INFO_DATA_MAX] = {
255 [NL_UNION_LINK_INFO_DATA_BOND] = "bond",
256 [NL_UNION_LINK_INFO_DATA_BRIDGE] = "bridge",
257 [NL_UNION_LINK_INFO_DATA_VLAN] = "vlan",
258 [NL_UNION_LINK_INFO_DATA_VETH] = "veth",
259 [NL_UNION_LINK_INFO_DATA_DUMMY] = "dummy",
260 [NL_UNION_LINK_INFO_DATA_MACVLAN] = "macvlan",
261 [NL_UNION_LINK_INFO_DATA_MACVTAP] = "macvtap",
262 [NL_UNION_LINK_INFO_DATA_IPVLAN] = "ipvlan",
263 [NL_UNION_LINK_INFO_DATA_VXLAN] = "vxlan",
264 [NL_UNION_LINK_INFO_DATA_IPIP_TUNNEL] = "ipip",
265 [NL_UNION_LINK_INFO_DATA_IPGRE_TUNNEL] = "gre",
266 [NL_UNION_LINK_INFO_DATA_IPGRETAP_TUNNEL] = "gretap",
267 [NL_UNION_LINK_INFO_DATA_IP6GRE_TUNNEL] = "ip6gre",
268 [NL_UNION_LINK_INFO_DATA_IP6GRETAP_TUNNEL] = "ip6gretap",
269 [NL_UNION_LINK_INFO_DATA_SIT_TUNNEL] = "sit",
270 [NL_UNION_LINK_INFO_DATA_VTI_TUNNEL] = "vti",
271 [NL_UNION_LINK_INFO_DATA_VTI6_TUNNEL] = "vti6",
272 [NL_UNION_LINK_INFO_DATA_IP6TNL_TUNNEL] = "ip6tnl",
275 DEFINE_STRING_TABLE_LOOKUP(nl_union_link_info_data, NLUnionLinkInfoData);
277 static const NLTypeSystem rtnl_link_info_data_type_systems[_NL_UNION_LINK_INFO_DATA_MAX] = {
278 [NL_UNION_LINK_INFO_DATA_BOND] = { .count = ELEMENTSOF(rtnl_link_info_data_bond_types),
279 .types = rtnl_link_info_data_bond_types },
280 [NL_UNION_LINK_INFO_DATA_BRIDGE] = { .count = ELEMENTSOF(rtnl_link_info_data_bridge_types),
281 .types = rtnl_link_info_data_bridge_types },
282 [NL_UNION_LINK_INFO_DATA_VLAN] = { .count = ELEMENTSOF(rtnl_link_info_data_vlan_types),
283 .types = rtnl_link_info_data_vlan_types },
284 [NL_UNION_LINK_INFO_DATA_VETH] = { .count = ELEMENTSOF(rtnl_link_info_data_veth_types),
285 .types = rtnl_link_info_data_veth_types },
286 [NL_UNION_LINK_INFO_DATA_MACVLAN] = { .count = ELEMENTSOF(rtnl_link_info_data_macvlan_types),
287 .types = rtnl_link_info_data_macvlan_types },
288 [NL_UNION_LINK_INFO_DATA_MACVTAP] = { .count = ELEMENTSOF(rtnl_link_info_data_macvlan_types),
289 .types = rtnl_link_info_data_macvlan_types },
290 [NL_UNION_LINK_INFO_DATA_IPVLAN] = { .count = ELEMENTSOF(rtnl_link_info_data_ipvlan_types),
291 .types = rtnl_link_info_data_ipvlan_types },
292 [NL_UNION_LINK_INFO_DATA_VXLAN] = { .count = ELEMENTSOF(rtnl_link_info_data_vxlan_types),
293 .types = rtnl_link_info_data_vxlan_types },
294 [NL_UNION_LINK_INFO_DATA_IPIP_TUNNEL] = { .count = ELEMENTSOF(rtnl_link_info_data_iptun_types),
295 .types = rtnl_link_info_data_iptun_types },
296 [NL_UNION_LINK_INFO_DATA_IPGRE_TUNNEL] = { .count = ELEMENTSOF(rtnl_link_info_data_ipgre_types),
297 .types = rtnl_link_info_data_ipgre_types },
298 [NL_UNION_LINK_INFO_DATA_IPGRETAP_TUNNEL] = { .count = ELEMENTSOF(rtnl_link_info_data_ipgre_types),
299 .types = rtnl_link_info_data_ipgre_types },
300 [NL_UNION_LINK_INFO_DATA_IP6GRE_TUNNEL] = { .count = ELEMENTSOF(rtnl_link_info_data_ipgre_types),
301 .types = rtnl_link_info_data_ipgre_types },
302 [NL_UNION_LINK_INFO_DATA_IP6GRETAP_TUNNEL] = { .count = ELEMENTSOF(rtnl_link_info_data_ipgre_types),
303 .types = rtnl_link_info_data_ipgre_types },
304 [NL_UNION_LINK_INFO_DATA_SIT_TUNNEL] = { .count = ELEMENTSOF(rtnl_link_info_data_iptun_types),
305 .types = rtnl_link_info_data_iptun_types },
306 [NL_UNION_LINK_INFO_DATA_VTI_TUNNEL] = { .count = ELEMENTSOF(rtnl_link_info_data_ipvti_types),
307 .types = rtnl_link_info_data_ipvti_types },
308 [NL_UNION_LINK_INFO_DATA_VTI6_TUNNEL] = { .count = ELEMENTSOF(rtnl_link_info_data_ipvti_types),
309 .types = rtnl_link_info_data_ipvti_types },
310 [NL_UNION_LINK_INFO_DATA_IP6TNL_TUNNEL] = { .count = ELEMENTSOF(rtnl_link_info_data_ip6tnl_types),
311 .types = rtnl_link_info_data_ip6tnl_types },
315 static const NLTypeSystemUnion rtnl_link_info_data_type_system_union = {
316 .num = _NL_UNION_LINK_INFO_DATA_MAX,
317 .lookup = nl_union_link_info_data_from_string,
318 .type_systems = rtnl_link_info_data_type_systems,
319 .match_type = NL_MATCH_SIBLING,
320 .match = IFLA_INFO_KIND,
323 static const NLType rtnl_link_info_types[IFLA_INFO_MAX + 1] = {
324 [IFLA_INFO_KIND] = { .type = NETLINK_TYPE_STRING },
325 [IFLA_INFO_DATA] = { .type = NETLINK_TYPE_UNION, .type_system_union = &rtnl_link_info_data_type_system_union},
328 [IFLA_INFO_SLAVE_KIND] = { .type = NETLINK_TYPE_STRING },
329 [IFLA_INFO_SLAVE_DATA] = { .type = NETLINK_TYPE_NESTED },
333 static const NLTypeSystem rtnl_link_info_type_system = {
334 .count = ELEMENTSOF(rtnl_link_info_types),
335 .types = rtnl_link_info_types,
338 static const struct NLType rtnl_prot_info_bridge_port_types[IFLA_BRPORT_MAX + 1] = {
339 [IFLA_BRPORT_STATE] = { .type = NETLINK_TYPE_U8 },
340 [IFLA_BRPORT_COST] = { .type = NETLINK_TYPE_U32 },
341 [IFLA_BRPORT_PRIORITY] = { .type = NETLINK_TYPE_U16 },
342 [IFLA_BRPORT_MODE] = { .type = NETLINK_TYPE_U8 },
343 [IFLA_BRPORT_GUARD] = { .type = NETLINK_TYPE_U8 },
344 [IFLA_BRPORT_PROTECT] = { .type = NETLINK_TYPE_U8 },
345 [IFLA_BRPORT_FAST_LEAVE] = { .type = NETLINK_TYPE_U8 },
346 [IFLA_BRPORT_LEARNING] = { .type = NETLINK_TYPE_U8 },
347 [IFLA_BRPORT_UNICAST_FLOOD] = { .type = NETLINK_TYPE_U8 },
348 [IFLA_BRPORT_PROXYARP] = { .type = NETLINK_TYPE_U8 },
349 [IFLA_BRPORT_LEARNING_SYNC] = { .type = NETLINK_TYPE_U8 },
352 static const NLTypeSystem rtnl_prot_info_type_systems[AF_MAX] = {
353 [AF_BRIDGE] = { .count = ELEMENTSOF(rtnl_prot_info_bridge_port_types),
354 .types = rtnl_prot_info_bridge_port_types },
357 static const NLTypeSystemUnion rtnl_prot_info_type_system_union = {
359 .type_systems = rtnl_prot_info_type_systems,
360 .match_type = NL_MATCH_PROTOCOL,
363 static const struct NLType rtnl_af_spec_inet6_types[IFLA_INET6_MAX + 1] = {
364 [IFLA_INET6_FLAGS] = { .type = NETLINK_TYPE_U32 },
369 IFLA_INET6_CACHEINFO,
370 IFLA_INET6_ICMP6STATS,
372 [IFLA_INET6_TOKEN] = { .type = NETLINK_TYPE_IN_ADDR },
373 [IFLA_INET6_ADDR_GEN_MODE] = { .type = NETLINK_TYPE_U8 },
376 static const NLTypeSystem rtnl_af_spec_inet6_type_system = {
377 .count = ELEMENTSOF(rtnl_af_spec_inet6_types),
378 .types = rtnl_af_spec_inet6_types,
381 static const NLType rtnl_af_spec_types[AF_MAX + 1] = {
382 [AF_INET6] = { .type = NETLINK_TYPE_NESTED, .type_system = &rtnl_af_spec_inet6_type_system },
385 static const NLTypeSystem rtnl_af_spec_type_system = {
386 .count = ELEMENTSOF(rtnl_af_spec_types),
387 .types = rtnl_af_spec_types,
390 static const NLType rtnl_link_types[IFLA_MAX + 1 ] = {
391 [IFLA_ADDRESS] = { .type = NETLINK_TYPE_ETHER_ADDR },
392 [IFLA_BROADCAST] = { .type = NETLINK_TYPE_ETHER_ADDR },
393 [IFLA_IFNAME] = { .type = NETLINK_TYPE_STRING, .size = IFNAMSIZ - 1 },
394 [IFLA_MTU] = { .type = NETLINK_TYPE_U32 },
395 [IFLA_LINK] = { .type = NETLINK_TYPE_U32 },
402 [IFLA_MASTER] = { .type = NETLINK_TYPE_U32 },
406 [IFLA_PROTINFO] = { .type = NETLINK_TYPE_UNION, .type_system_union = &rtnl_prot_info_type_system_union },
407 [IFLA_TXQLEN] = { .type = NETLINK_TYPE_U32 },
409 [IFLA_MAP] = { .len = sizeof(struct rtnl_link_ifmap) },
411 [IFLA_WEIGHT] = { .type = NETLINK_TYPE_U32 },
412 [IFLA_OPERSTATE] = { .type = NETLINK_TYPE_U8 },
413 [IFLA_LINKMODE] = { .type = NETLINK_TYPE_U8 },
414 [IFLA_LINKINFO] = { .type = NETLINK_TYPE_NESTED, .type_system = &rtnl_link_info_type_system },
415 [IFLA_NET_NS_PID] = { .type = NETLINK_TYPE_U32 },
416 [IFLA_IFALIAS] = { .type = NETLINK_TYPE_STRING, .size = IFALIASZ - 1 },
419 [IFLA_VFINFO_LIST] = {. type = NETLINK_TYPE_NESTED, },
421 [IFLA_VF_PORTS] = { .type = NETLINK_TYPE_NESTED },
422 [IFLA_PORT_SELF] = { .type = NETLINK_TYPE_NESTED },
424 [IFLA_AF_SPEC] = { .type = NETLINK_TYPE_NESTED, .type_system = &rtnl_af_spec_type_system },
430 [IFLA_GROUP] = { .type = NETLINK_TYPE_U32 },
431 [IFLA_NET_NS_FD] = { .type = NETLINK_TYPE_U32 },
432 [IFLA_EXT_MASK] = { .type = NETLINK_TYPE_U32 },
433 [IFLA_PROMISCUITY] = { .type = NETLINK_TYPE_U32 },
434 [IFLA_NUM_TX_QUEUES] = { .type = NETLINK_TYPE_U32 },
435 [IFLA_NUM_RX_QUEUES] = { .type = NETLINK_TYPE_U32 },
436 [IFLA_CARRIER] = { .type = NETLINK_TYPE_U8 },
438 [IFLA_PHYS_PORT_ID] = { .type = NETLINK_TYPE_BINARY, .len = MAX_PHYS_PORT_ID_LEN },
442 static const NLTypeSystem rtnl_link_type_system = {
443 .count = ELEMENTSOF(rtnl_link_types),
444 .types = rtnl_link_types,
447 /* IFA_FLAGS was defined in kernel 3.14, but we still support older
448 * kernels where IFA_MAX is lower. */
449 static const NLType rtnl_address_types[CONST_MAX(IFA_MAX, IFA_FLAGS) + 1] = {
450 [IFA_ADDRESS] = { .type = NETLINK_TYPE_IN_ADDR },
451 [IFA_LOCAL] = { .type = NETLINK_TYPE_IN_ADDR },
452 [IFA_LABEL] = { .type = NETLINK_TYPE_STRING, .size = IFNAMSIZ - 1 },
453 [IFA_BROADCAST] = { .type = NETLINK_TYPE_IN_ADDR }, /* 6? */
454 [IFA_CACHEINFO] = { .type = NETLINK_TYPE_CACHE_INFO, .size = sizeof(struct ifa_cacheinfo) },
459 [IFA_FLAGS] = { .type = NETLINK_TYPE_U32 },
462 static const NLTypeSystem rtnl_address_type_system = {
463 .count = ELEMENTSOF(rtnl_address_types),
464 .types = rtnl_address_types,
467 static const NLType rtnl_route_types[RTA_MAX + 1] = {
468 [RTA_DST] = { .type = NETLINK_TYPE_IN_ADDR }, /* 6? */
469 [RTA_SRC] = { .type = NETLINK_TYPE_IN_ADDR }, /* 6? */
470 [RTA_IIF] = { .type = NETLINK_TYPE_U32 },
471 [RTA_OIF] = { .type = NETLINK_TYPE_U32 },
472 [RTA_GATEWAY] = { .type = NETLINK_TYPE_IN_ADDR },
473 [RTA_PRIORITY] = { .type = NETLINK_TYPE_U32 },
474 [RTA_PREFSRC] = { .type = NETLINK_TYPE_IN_ADDR }, /* 6? */
476 [RTA_METRICS] = { .type = NETLINK_TYPE_NESTED },
477 [RTA_MULTIPATH] = { .len = sizeof(struct rtnexthop) },
479 [RTA_FLOW] = { .type = NETLINK_TYPE_U32 }, /* 6? */
488 static const NLTypeSystem rtnl_route_type_system = {
489 .count = ELEMENTSOF(rtnl_route_types),
490 .types = rtnl_route_types,
493 static const NLType rtnl_neigh_types[NDA_MAX + 1] = {
494 [NDA_DST] = { .type = NETLINK_TYPE_IN_ADDR },
495 [NDA_LLADDR] = { .type = NETLINK_TYPE_ETHER_ADDR },
496 [NDA_CACHEINFO] = { .type = NETLINK_TYPE_CACHE_INFO, .size = sizeof(struct nda_cacheinfo) },
497 [NDA_PROBES] = { .type = NETLINK_TYPE_U32 },
498 [NDA_VLAN] = { .type = NETLINK_TYPE_U16 },
499 [NDA_PORT] = { .type = NETLINK_TYPE_U16 },
500 [NDA_VNI] = { .type = NETLINK_TYPE_U32 },
501 [NDA_IFINDEX] = { .type = NETLINK_TYPE_U32 },
504 static const NLTypeSystem rtnl_neigh_type_system = {
505 .count = ELEMENTSOF(rtnl_neigh_types),
506 .types = rtnl_neigh_types,
509 static const NLType rtnl_types[RTM_MAX + 1] = {
510 [NLMSG_DONE] = { .type = NETLINK_TYPE_NESTED, .type_system = &empty_type_system, .size = 0 },
511 [NLMSG_ERROR] = { .type = NETLINK_TYPE_NESTED, .type_system = &empty_type_system, .size = sizeof(struct nlmsgerr) },
512 [RTM_NEWLINK] = { .type = NETLINK_TYPE_NESTED, .type_system = &rtnl_link_type_system, .size = sizeof(struct ifinfomsg) },
513 [RTM_DELLINK] = { .type = NETLINK_TYPE_NESTED, .type_system = &rtnl_link_type_system, .size = sizeof(struct ifinfomsg) },
514 [RTM_GETLINK] = { .type = NETLINK_TYPE_NESTED, .type_system = &rtnl_link_type_system, .size = sizeof(struct ifinfomsg) },
515 [RTM_SETLINK] = { .type = NETLINK_TYPE_NESTED, .type_system = &rtnl_link_type_system, .size = sizeof(struct ifinfomsg) },
516 [RTM_NEWADDR] = { .type = NETLINK_TYPE_NESTED, .type_system = &rtnl_address_type_system, .size = sizeof(struct ifaddrmsg) },
517 [RTM_DELADDR] = { .type = NETLINK_TYPE_NESTED, .type_system = &rtnl_address_type_system, .size = sizeof(struct ifaddrmsg) },
518 [RTM_GETADDR] = { .type = NETLINK_TYPE_NESTED, .type_system = &rtnl_address_type_system, .size = sizeof(struct ifaddrmsg) },
519 [RTM_NEWROUTE] = { .type = NETLINK_TYPE_NESTED, .type_system = &rtnl_route_type_system, .size = sizeof(struct rtmsg) },
520 [RTM_DELROUTE] = { .type = NETLINK_TYPE_NESTED, .type_system = &rtnl_route_type_system, .size = sizeof(struct rtmsg) },
521 [RTM_GETROUTE] = { .type = NETLINK_TYPE_NESTED, .type_system = &rtnl_route_type_system, .size = sizeof(struct rtmsg) },
522 [RTM_NEWNEIGH] = { .type = NETLINK_TYPE_NESTED, .type_system = &rtnl_neigh_type_system, .size = sizeof(struct ndmsg) },
523 [RTM_DELNEIGH] = { .type = NETLINK_TYPE_NESTED, .type_system = &rtnl_neigh_type_system, .size = sizeof(struct ndmsg) },
524 [RTM_GETNEIGH] = { .type = NETLINK_TYPE_NESTED, .type_system = &rtnl_neigh_type_system, .size = sizeof(struct ndmsg) },
527 const NLTypeSystem type_system_root = {
528 .count = ELEMENTSOF(rtnl_types),
532 uint16_t type_get_type(const NLType *type) {
537 size_t type_get_size(const NLType *type) {
542 void type_get_type_system(const NLType *nl_type, const NLTypeSystem **ret) {
545 assert(nl_type->type == NETLINK_TYPE_NESTED);
546 assert(nl_type->type_system);
548 *ret = nl_type->type_system;
551 void type_get_type_system_union(const NLType *nl_type, const NLTypeSystemUnion **ret) {
554 assert(nl_type->type == NETLINK_TYPE_UNION);
555 assert(nl_type->type_system_union);
557 *ret = nl_type->type_system_union;
560 uint16_t type_system_get_count(const NLTypeSystem *type_system) {
562 return type_system->count;
565 int type_system_get_type(const NLTypeSystem *type_system, const NLType **ret, uint16_t type) {
566 const NLType *nl_type;
570 assert(type_system->types);
572 if (type >= type_system->count)
575 nl_type = &type_system->types[type];
577 if (nl_type->type == NETLINK_TYPE_UNSPEC)
585 int type_system_get_type_system(const NLTypeSystem *type_system, const NLTypeSystem **ret, uint16_t type) {
586 const NLType *nl_type;
591 r = type_system_get_type(type_system, &nl_type, type);
595 type_get_type_system(nl_type, ret);
599 int type_system_get_type_system_union(const NLTypeSystem *type_system, const NLTypeSystemUnion **ret, uint16_t type) {
600 const NLType *nl_type;
605 r = type_system_get_type(type_system, &nl_type, type);
609 type_get_type_system_union(nl_type, ret);
613 int type_system_union_get_type_system(const NLTypeSystemUnion *type_system_union, const NLTypeSystem **ret, const char *key) {
616 assert(type_system_union);
617 assert(type_system_union->match_type == NL_MATCH_SIBLING);
618 assert(type_system_union->lookup);
619 assert(type_system_union->type_systems);
623 type = type_system_union->lookup(key);
627 assert(type < type_system_union->num);
629 *ret = &type_system_union->type_systems[type];
634 int type_system_union_protocol_get_type_system(const NLTypeSystemUnion *type_system_union, const NLTypeSystem **ret, uint16_t protocol) {
635 const NLTypeSystem *type_system;
637 assert(type_system_union);
638 assert(type_system_union->type_systems);
639 assert(type_system_union->match_type == NL_MATCH_PROTOCOL);
642 if (protocol >= type_system_union->num)
645 type_system = &type_system_union->type_systems[protocol];
646 if (!type_system->types)