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"
45 const NLTypeSystem *type_system;
46 const NLTypeSystemUnion *type_system_union;
54 static const NLTypeSystem rtnl_link_type_system;
56 static const NLType rtnl_link_info_data_veth_types[VETH_INFO_MAX + 1] = {
57 [VETH_INFO_PEER] = { .type = NETLINK_TYPE_NESTED, .type_system = &rtnl_link_type_system, .size = sizeof(struct ifinfomsg) },
60 static const NLType rtnl_link_info_data_ipvlan_types[IFLA_IPVLAN_MAX + 1] = {
61 [IFLA_IPVLAN_MODE] = { .type = NETLINK_TYPE_U16 },
64 static const NLType rtnl_link_info_data_macvlan_types[IFLA_MACVLAN_MAX + 1] = {
65 [IFLA_MACVLAN_MODE] = { .type = NETLINK_TYPE_U32 },
66 [IFLA_MACVLAN_FLAGS] = { .type = NETLINK_TYPE_U16 },
69 static const NLType rtnl_link_info_data_bridge_types[IFLA_BRIDGE_MAX + 1] = {
70 [IFLA_BRIDGE_FLAGS] = { .type = NETLINK_TYPE_U16 },
71 [IFLA_BRIDGE_MODE] = { .type = NETLINK_TYPE_U16 },
73 [IFLA_BRIDGE_VLAN_INFO] = { .type = NETLINK_TYPE_BINARY,
74 .len = sizeof(struct bridge_vlan_info), },
78 static const NLType rtnl_link_info_data_vlan_types[IFLA_VLAN_MAX + 1] = {
79 [IFLA_VLAN_ID] = { .type = NETLINK_TYPE_U16 },
81 [IFLA_VLAN_FLAGS] = { .len = sizeof(struct ifla_vlan_flags) },
82 [IFLA_VLAN_EGRESS_QOS] = { .type = NETLINK_TYPE_NESTED },
83 [IFLA_VLAN_INGRESS_QOS] = { .type = NETLINK_TYPE_NESTED },
85 [IFLA_VLAN_PROTOCOL] = { .type = NETLINK_TYPE_U16 },
88 static const NLType rtnl_link_info_data_vxlan_types[IFLA_VXLAN_MAX+1] = {
89 [IFLA_VXLAN_ID] = { .type = NETLINK_TYPE_U32 },
90 [IFLA_VXLAN_GROUP] = { .type = NETLINK_TYPE_IN_ADDR },
91 [IFLA_VXLAN_LINK] = { .type = NETLINK_TYPE_U32 },
92 [IFLA_VXLAN_LOCAL] = { .type = NETLINK_TYPE_U32},
93 [IFLA_VXLAN_TTL] = { .type = NETLINK_TYPE_U8 },
94 [IFLA_VXLAN_TOS] = { .type = NETLINK_TYPE_U8 },
95 [IFLA_VXLAN_LEARNING] = { .type = NETLINK_TYPE_U8 },
96 [IFLA_VXLAN_AGEING] = { .type = NETLINK_TYPE_U32 },
97 [IFLA_VXLAN_LIMIT] = { .type = NETLINK_TYPE_U32 },
98 [IFLA_VXLAN_PORT_RANGE] = { .type = NETLINK_TYPE_U32},
99 [IFLA_VXLAN_PROXY] = { .type = NETLINK_TYPE_U8 },
100 [IFLA_VXLAN_RSC] = { .type = NETLINK_TYPE_U8 },
101 [IFLA_VXLAN_L2MISS] = { .type = NETLINK_TYPE_U8 },
102 [IFLA_VXLAN_L3MISS] = { .type = NETLINK_TYPE_U8 },
105 static const NLType rtnl_bond_arp_target_types[BOND_ARP_TARGETS_MAX + 1] = {
106 [BOND_ARP_TARGETS_0] = { .type = NETLINK_TYPE_U32 },
107 [BOND_ARP_TARGETS_1] = { .type = NETLINK_TYPE_U32 },
108 [BOND_ARP_TARGETS_2] = { .type = NETLINK_TYPE_U32 },
109 [BOND_ARP_TARGETS_3] = { .type = NETLINK_TYPE_U32 },
110 [BOND_ARP_TARGETS_4] = { .type = NETLINK_TYPE_U32 },
111 [BOND_ARP_TARGETS_5] = { .type = NETLINK_TYPE_U32 },
112 [BOND_ARP_TARGETS_6] = { .type = NETLINK_TYPE_U32 },
113 [BOND_ARP_TARGETS_7] = { .type = NETLINK_TYPE_U32 },
114 [BOND_ARP_TARGETS_8] = { .type = NETLINK_TYPE_U32 },
115 [BOND_ARP_TARGETS_9] = { .type = NETLINK_TYPE_U32 },
116 [BOND_ARP_TARGETS_10] = { .type = NETLINK_TYPE_U32 },
117 [BOND_ARP_TARGETS_11] = { .type = NETLINK_TYPE_U32 },
118 [BOND_ARP_TARGETS_12] = { .type = NETLINK_TYPE_U32 },
119 [BOND_ARP_TARGETS_13] = { .type = NETLINK_TYPE_U32 },
120 [BOND_ARP_TARGETS_14] = { .type = NETLINK_TYPE_U32 },
121 [BOND_ARP_TARGETS_MAX] = { .type = NETLINK_TYPE_U32 },
124 static const NLTypeSystem rtnl_bond_arp_type_system = {
125 .max = ELEMENTSOF(rtnl_bond_arp_target_types) - 1,
126 .types = rtnl_bond_arp_target_types,
129 static const NLType rtnl_link_info_data_bond_types[IFLA_BOND_MAX + 1] = {
130 [IFLA_BOND_MODE] = { .type = NETLINK_TYPE_U8 },
131 [IFLA_BOND_ACTIVE_SLAVE] = { .type = NETLINK_TYPE_U32 },
132 [IFLA_BOND_MIIMON] = { .type = NETLINK_TYPE_U32 },
133 [IFLA_BOND_UPDELAY] = { .type = NETLINK_TYPE_U32 },
134 [IFLA_BOND_DOWNDELAY] = { .type = NETLINK_TYPE_U32 },
135 [IFLA_BOND_USE_CARRIER] = { .type = NETLINK_TYPE_U8 },
136 [IFLA_BOND_ARP_INTERVAL] = { .type = NETLINK_TYPE_U32 },
137 [IFLA_BOND_ARP_IP_TARGET] = { .type = NETLINK_TYPE_NESTED, .type_system = &rtnl_bond_arp_type_system },
138 [IFLA_BOND_ARP_VALIDATE] = { .type = NETLINK_TYPE_U32 },
139 [IFLA_BOND_ARP_ALL_TARGETS] = { .type = NETLINK_TYPE_U32 },
140 [IFLA_BOND_PRIMARY] = { .type = NETLINK_TYPE_U32 },
141 [IFLA_BOND_PRIMARY_RESELECT] = { .type = NETLINK_TYPE_U8 },
142 [IFLA_BOND_FAIL_OVER_MAC] = { .type = NETLINK_TYPE_U8 },
143 [IFLA_BOND_XMIT_HASH_POLICY] = { .type = NETLINK_TYPE_U8 },
144 [IFLA_BOND_RESEND_IGMP] = { .type = NETLINK_TYPE_U32 },
145 [IFLA_BOND_NUM_PEER_NOTIF] = { .type = NETLINK_TYPE_U8 },
146 [IFLA_BOND_ALL_SLAVES_ACTIVE] = { .type = NETLINK_TYPE_U8 },
147 [IFLA_BOND_MIN_LINKS] = { .type = NETLINK_TYPE_U32 },
148 [IFLA_BOND_LP_INTERVAL] = { .type = NETLINK_TYPE_U32 },
149 [IFLA_BOND_PACKETS_PER_SLAVE] = { .type = NETLINK_TYPE_U32 },
150 [IFLA_BOND_AD_LACP_RATE] = { .type = NETLINK_TYPE_U8 },
151 [IFLA_BOND_AD_SELECT] = { .type = NETLINK_TYPE_U8 },
152 [IFLA_BOND_AD_INFO] = { .type = NETLINK_TYPE_NESTED },
155 static const NLType rtnl_link_info_data_iptun_types[IFLA_IPTUN_MAX + 1] = {
156 [IFLA_IPTUN_LINK] = { .type = NETLINK_TYPE_U32 },
157 [IFLA_IPTUN_LOCAL] = { .type = NETLINK_TYPE_IN_ADDR },
158 [IFLA_IPTUN_REMOTE] = { .type = NETLINK_TYPE_IN_ADDR },
159 [IFLA_IPTUN_TTL] = { .type = NETLINK_TYPE_U8 },
160 [IFLA_IPTUN_TOS] = { .type = NETLINK_TYPE_U8 },
161 [IFLA_IPTUN_PMTUDISC] = { .type = NETLINK_TYPE_U8 },
162 [IFLA_IPTUN_FLAGS] = { .type = NETLINK_TYPE_U16 },
163 [IFLA_IPTUN_PROTO] = { .type = NETLINK_TYPE_U8 },
164 [IFLA_IPTUN_6RD_PREFIX] = { .type = NETLINK_TYPE_IN_ADDR },
165 [IFLA_IPTUN_6RD_RELAY_PREFIX] = { .type = NETLINK_TYPE_U32 },
166 [IFLA_IPTUN_6RD_PREFIXLEN] = { .type = NETLINK_TYPE_U16 },
167 [IFLA_IPTUN_6RD_RELAY_PREFIXLEN] = { .type = NETLINK_TYPE_U16 },
170 static const NLType rtnl_link_info_data_ipgre_types[IFLA_GRE_MAX + 1] = {
171 [IFLA_GRE_LINK] = { .type = NETLINK_TYPE_U32 },
172 [IFLA_GRE_IFLAGS] = { .type = NETLINK_TYPE_U16 },
173 [IFLA_GRE_OFLAGS] = { .type = NETLINK_TYPE_U16 },
174 [IFLA_GRE_IKEY] = { .type = NETLINK_TYPE_U32 },
175 [IFLA_GRE_OKEY] = { .type = NETLINK_TYPE_U32 },
176 [IFLA_GRE_LOCAL] = { .type = NETLINK_TYPE_IN_ADDR },
177 [IFLA_GRE_REMOTE] = { .type = NETLINK_TYPE_IN_ADDR },
178 [IFLA_GRE_TTL] = { .type = NETLINK_TYPE_U8 },
179 [IFLA_GRE_TOS] = { .type = NETLINK_TYPE_U8 },
180 [IFLA_GRE_PMTUDISC] = { .type = NETLINK_TYPE_U8 },
183 static const NLType rtnl_link_info_data_ipvti_types[IFLA_VTI_MAX + 1] = {
184 [IFLA_VTI_LINK] = { .type = NETLINK_TYPE_U32 },
185 [IFLA_VTI_IKEY] = { .type = NETLINK_TYPE_U32 },
186 [IFLA_VTI_OKEY] = { .type = NETLINK_TYPE_U32 },
187 [IFLA_VTI_LOCAL] = { .type = NETLINK_TYPE_IN_ADDR },
188 [IFLA_VTI_REMOTE] = { .type = NETLINK_TYPE_IN_ADDR },
191 static const NLType rtnl_link_info_data_ip6tnl_types[IFLA_IPTUN_MAX + 1] = {
192 [IFLA_IPTUN_LINK] = { .type = NETLINK_TYPE_U32 },
193 [IFLA_IPTUN_LOCAL] = { .type = NETLINK_TYPE_IN_ADDR },
194 [IFLA_IPTUN_REMOTE] = { .type = NETLINK_TYPE_IN_ADDR },
195 [IFLA_IPTUN_TTL] = { .type = NETLINK_TYPE_U8 },
196 [IFLA_IPTUN_FLAGS] = { .type = NETLINK_TYPE_U32 },
197 [IFLA_IPTUN_PROTO] = { .type = NETLINK_TYPE_U8 },
198 [IFLA_IPTUN_ENCAP_LIMIT] = { .type = NETLINK_TYPE_U8 },
199 [IFLA_IPTUN_FLOWINFO] = { .type = NETLINK_TYPE_U32},
202 /* these strings must match the .kind entries in the kernel */
203 static const char* const nl_union_link_info_data_table[_NL_UNION_LINK_INFO_DATA_MAX] = {
204 [NL_UNION_LINK_INFO_DATA_BOND] = "bond",
205 [NL_UNION_LINK_INFO_DATA_BRIDGE] = "bridge",
206 [NL_UNION_LINK_INFO_DATA_VLAN] = "vlan",
207 [NL_UNION_LINK_INFO_DATA_VETH] = "veth",
208 [NL_UNION_LINK_INFO_DATA_DUMMY] = "dummy",
209 [NL_UNION_LINK_INFO_DATA_MACVLAN] = "macvlan",
210 [NL_UNION_LINK_INFO_DATA_IPVLAN] = "ipvlan",
211 [NL_UNION_LINK_INFO_DATA_VXLAN] = "vxlan",
212 [NL_UNION_LINK_INFO_DATA_IPIP_TUNNEL] = "ipip",
213 [NL_UNION_LINK_INFO_DATA_IPGRE_TUNNEL] = "gre",
214 [NL_UNION_LINK_INFO_DATA_IPGRETAP_TUNNEL] = "gretap",
215 [NL_UNION_LINK_INFO_DATA_IP6GRE_TUNNEL] = "ip6gre",
216 [NL_UNION_LINK_INFO_DATA_IP6GRETAP_TUNNEL] = "ip6gretap",
217 [NL_UNION_LINK_INFO_DATA_SIT_TUNNEL] = "sit",
218 [NL_UNION_LINK_INFO_DATA_VTI_TUNNEL] = "vti",
219 [NL_UNION_LINK_INFO_DATA_VTI6_TUNNEL] = "vti6",
220 [NL_UNION_LINK_INFO_DATA_IP6TNL_TUNNEL] = "ip6tnl",
223 DEFINE_STRING_TABLE_LOOKUP(nl_union_link_info_data, NLUnionLinkInfoData);
225 static const NLTypeSystem rtnl_link_info_data_type_systems[_NL_UNION_LINK_INFO_DATA_MAX] = {
226 [NL_UNION_LINK_INFO_DATA_BOND] = { .max = ELEMENTSOF(rtnl_link_info_data_bond_types) - 1,
227 .types = rtnl_link_info_data_bond_types },
228 [NL_UNION_LINK_INFO_DATA_BRIDGE] = { .max = ELEMENTSOF(rtnl_link_info_data_bridge_types) - 1,
229 .types = rtnl_link_info_data_bridge_types },
230 [NL_UNION_LINK_INFO_DATA_VLAN] = { .max = ELEMENTSOF(rtnl_link_info_data_vlan_types) - 1,
231 .types = rtnl_link_info_data_vlan_types },
232 [NL_UNION_LINK_INFO_DATA_VETH] = { .max = ELEMENTSOF(rtnl_link_info_data_veth_types) - 1,
233 .types = rtnl_link_info_data_veth_types },
234 [NL_UNION_LINK_INFO_DATA_MACVLAN] = { .max = ELEMENTSOF(rtnl_link_info_data_macvlan_types) - 1,
235 .types = rtnl_link_info_data_macvlan_types },
236 [NL_UNION_LINK_INFO_DATA_IPVLAN] = { .max = ELEMENTSOF(rtnl_link_info_data_ipvlan_types) - 1,
237 .types = rtnl_link_info_data_ipvlan_types },
238 [NL_UNION_LINK_INFO_DATA_VXLAN] = { .max = ELEMENTSOF(rtnl_link_info_data_vxlan_types) - 1,
239 .types = rtnl_link_info_data_vxlan_types },
240 [NL_UNION_LINK_INFO_DATA_IPIP_TUNNEL] = { .max = ELEMENTSOF(rtnl_link_info_data_iptun_types) - 1,
241 .types = rtnl_link_info_data_iptun_types },
242 [NL_UNION_LINK_INFO_DATA_IPGRE_TUNNEL] = { .max = ELEMENTSOF(rtnl_link_info_data_ipgre_types) - 1,
243 .types = rtnl_link_info_data_ipgre_types },
244 [NL_UNION_LINK_INFO_DATA_IPGRETAP_TUNNEL] = { .max = ELEMENTSOF(rtnl_link_info_data_ipgre_types) - 1,
245 .types = rtnl_link_info_data_ipgre_types },
246 [NL_UNION_LINK_INFO_DATA_IP6GRE_TUNNEL] = { .max = ELEMENTSOF(rtnl_link_info_data_ipgre_types) - 1,
247 .types = rtnl_link_info_data_ipgre_types },
248 [NL_UNION_LINK_INFO_DATA_IP6GRETAP_TUNNEL] = { .max = ELEMENTSOF(rtnl_link_info_data_ipgre_types) - 1,
249 .types = rtnl_link_info_data_ipgre_types },
250 [NL_UNION_LINK_INFO_DATA_SIT_TUNNEL] = { .max = ELEMENTSOF(rtnl_link_info_data_iptun_types) - 1,
251 .types = rtnl_link_info_data_iptun_types },
252 [NL_UNION_LINK_INFO_DATA_VTI_TUNNEL] = { .max = ELEMENTSOF(rtnl_link_info_data_ipvti_types) - 1,
253 .types = rtnl_link_info_data_ipvti_types },
254 [NL_UNION_LINK_INFO_DATA_VTI6_TUNNEL] = { .max = ELEMENTSOF(rtnl_link_info_data_ipvti_types) - 1,
255 .types = rtnl_link_info_data_ipvti_types },
256 [NL_UNION_LINK_INFO_DATA_IP6TNL_TUNNEL] = { .max = ELEMENTSOF(rtnl_link_info_data_ip6tnl_types) - 1,
257 .types = rtnl_link_info_data_ip6tnl_types },
261 static const NLTypeSystemUnion rtnl_link_info_data_type_system_union = {
262 .num = _NL_UNION_LINK_INFO_DATA_MAX,
263 .lookup = nl_union_link_info_data_from_string,
264 .type_systems = rtnl_link_info_data_type_systems,
265 .match_type = NL_MATCH_SIBLING,
266 .match = IFLA_INFO_KIND,
269 static const NLType rtnl_link_info_types[IFLA_INFO_MAX + 1] = {
270 [IFLA_INFO_KIND] = { .type = NETLINK_TYPE_STRING },
271 [IFLA_INFO_DATA] = { .type = NETLINK_TYPE_UNION, .type_system_union = &rtnl_link_info_data_type_system_union},
274 [IFLA_INFO_SLAVE_KIND] = { .type = NETLINK_TYPE_STRING },
275 [IFLA_INFO_SLAVE_DATA] = { .type = NETLINK_TYPE_NESTED },
279 static const NLTypeSystem rtnl_link_info_type_system = {
280 .max = ELEMENTSOF(rtnl_link_info_types) - 1,
281 .types = rtnl_link_info_types,
284 static const struct NLType rtnl_prot_info_bridge_port_types[IFLA_BRPORT_MAX + 1] = {
285 [IFLA_BRPORT_STATE] = { .type = NETLINK_TYPE_U8 },
286 [IFLA_BRPORT_COST] = { .type = NETLINK_TYPE_U32 },
287 [IFLA_BRPORT_PRIORITY] = { .type = NETLINK_TYPE_U16 },
288 [IFLA_BRPORT_MODE] = { .type = NETLINK_TYPE_U8 },
289 [IFLA_BRPORT_GUARD] = { .type = NETLINK_TYPE_U8 },
290 [IFLA_BRPORT_PROTECT] = { .type = NETLINK_TYPE_U8 },
291 [IFLA_BRPORT_LEARNING] = { .type = NETLINK_TYPE_U8 },
292 [IFLA_BRPORT_UNICAST_FLOOD] = { .type = NETLINK_TYPE_U8 },
295 static const NLTypeSystem rtnl_prot_info_type_systems[AF_MAX] = {
296 [AF_BRIDGE] = { .max = ELEMENTSOF(rtnl_prot_info_bridge_port_types) - 1,
297 .types = rtnl_prot_info_bridge_port_types },
300 static const NLTypeSystemUnion rtnl_prot_info_type_system_union = {
302 .type_systems = rtnl_prot_info_type_systems,
303 .match_type = NL_MATCH_PROTOCOL,
306 static const struct NLType rtnl_af_spec_inet6_types[IFLA_INET6_MAX + 1] = {
307 [IFLA_INET6_FLAGS] = { .type = NETLINK_TYPE_U32 },
312 IFLA_INET6_CACHEINFO,
313 IFLA_INET6_ICMP6STATS,
315 [IFLA_INET6_TOKEN] = { .type = NETLINK_TYPE_IN_ADDR },
316 [IFLA_INET6_ADDR_GEN_MODE] = { .type = NETLINK_TYPE_U8 },
319 static const NLTypeSystem rtnl_af_spec_inet6_type_system = {
320 .max = ELEMENTSOF(rtnl_af_spec_inet6_types) - 1,
321 .types = rtnl_af_spec_inet6_types,
324 static const NLType rtnl_af_spec_types[AF_MAX + 1] = {
325 [AF_INET6] = { .type = NETLINK_TYPE_NESTED, .type_system = &rtnl_af_spec_inet6_type_system },
328 static const NLTypeSystem rtnl_af_spec_type_system = {
329 .max = ELEMENTSOF(rtnl_af_spec_types) - 1,
330 .types = rtnl_af_spec_types,
333 static const NLType rtnl_link_types[IFLA_MAX + 1 ] = {
334 [IFLA_ADDRESS] = { .type = NETLINK_TYPE_ETHER_ADDR, },
335 [IFLA_BROADCAST] = { .type = NETLINK_TYPE_ETHER_ADDR, },
336 [IFLA_IFNAME] = { .type = NETLINK_TYPE_STRING, .size = IFNAMSIZ - 1, },
337 [IFLA_MTU] = { .type = NETLINK_TYPE_U32 },
338 [IFLA_LINK] = { .type = NETLINK_TYPE_U32 },
345 [IFLA_MASTER] = { .type = NETLINK_TYPE_U32 },
349 [IFLA_PROTINFO] = { .type = NETLINK_TYPE_UNION, .type_system_union = &rtnl_prot_info_type_system_union },
350 [IFLA_TXQLEN] = { .type = NETLINK_TYPE_U32 },
352 [IFLA_MAP] = { .len = sizeof(struct rtnl_link_ifmap) },
354 [IFLA_WEIGHT] = { .type = NETLINK_TYPE_U32 },
355 [IFLA_OPERSTATE] = { .type = NETLINK_TYPE_U8 },
356 [IFLA_LINKMODE] = { .type = NETLINK_TYPE_U8 },
357 [IFLA_LINKINFO] = { .type = NETLINK_TYPE_NESTED, .type_system = &rtnl_link_info_type_system },
358 [IFLA_NET_NS_PID] = { .type = NETLINK_TYPE_U32 },
359 [IFLA_IFALIAS] = { .type = NETLINK_TYPE_STRING, .size = IFALIASZ - 1 },
362 [IFLA_VFINFO_LIST] = {. type = NETLINK_TYPE_NESTED, },
364 [IFLA_VF_PORTS] = { .type = NETLINK_TYPE_NESTED },
365 [IFLA_PORT_SELF] = { .type = NETLINK_TYPE_NESTED },
367 [IFLA_AF_SPEC] = { .type = NETLINK_TYPE_NESTED, .type_system = &rtnl_af_spec_type_system },
373 [IFLA_GROUP] = { .type = NETLINK_TYPE_U32 },
374 [IFLA_NET_NS_FD] = { .type = NETLINK_TYPE_U32 },
375 [IFLA_EXT_MASK] = { .type = NETLINK_TYPE_U32 },
376 [IFLA_PROMISCUITY] = { .type = NETLINK_TYPE_U32 },
377 [IFLA_NUM_TX_QUEUES] = { .type = NETLINK_TYPE_U32 },
378 [IFLA_NUM_RX_QUEUES] = { .type = NETLINK_TYPE_U32 },
379 [IFLA_CARRIER] = { .type = NETLINK_TYPE_U8 },
381 [IFLA_PHYS_PORT_ID] = { .type = NETLINK_TYPE_BINARY, .len = MAX_PHYS_PORT_ID_LEN },
385 static const NLTypeSystem rtnl_link_type_system = {
386 .max = ELEMENTSOF(rtnl_link_types) - 1,
387 .types = rtnl_link_types,
390 /* IFA_FLAGS was defined in kernel 3.14, but we still support older
391 * kernels where IFA_MAX is lower. */
392 static const NLType rtnl_address_types[CONST_MAX(IFA_MAX, IFA_FLAGS) + 1] = {
393 [IFA_ADDRESS] = { .type = NETLINK_TYPE_IN_ADDR },
394 [IFA_LOCAL] = { .type = NETLINK_TYPE_IN_ADDR },
395 [IFA_LABEL] = { .type = NETLINK_TYPE_STRING, .size = IFNAMSIZ - 1 },
396 [IFA_BROADCAST] = { .type = NETLINK_TYPE_IN_ADDR }, /* 6? */
397 [IFA_CACHEINFO] = { .type = NETLINK_TYPE_CACHE_INFO, .size = sizeof(struct ifa_cacheinfo) },
402 [IFA_FLAGS] = { .type = NETLINK_TYPE_U32 },
405 static const NLTypeSystem rtnl_address_type_system = {
406 .max = ELEMENTSOF(rtnl_address_types) - 1,
407 .types = rtnl_address_types,
410 static const NLType rtnl_route_types[RTA_MAX + 1] = {
411 [RTA_DST] = { .type = NETLINK_TYPE_IN_ADDR }, /* 6? */
412 [RTA_SRC] = { .type = NETLINK_TYPE_IN_ADDR }, /* 6? */
413 [RTA_IIF] = { .type = NETLINK_TYPE_U32 },
414 [RTA_OIF] = { .type = NETLINK_TYPE_U32 },
415 [RTA_GATEWAY] = { .type = NETLINK_TYPE_IN_ADDR },
416 [RTA_PRIORITY] = { .type = NETLINK_TYPE_U32 },
417 [RTA_PREFSRC] = { .type = NETLINK_TYPE_IN_ADDR }, /* 6? */
419 [RTA_METRICS] = { .type = NETLINK_TYPE_NESTED },
420 [RTA_MULTIPATH] = { .len = sizeof(struct rtnexthop) },
422 [RTA_FLOW] = { .type = NETLINK_TYPE_U32 }, /* 6? */
431 static const NLTypeSystem rtnl_route_type_system = {
432 .max = ELEMENTSOF(rtnl_route_types) - 1,
433 .types = rtnl_route_types,
436 static const NLType rtnl_neigh_types[NDA_MAX + 1] = {
437 [NDA_DST] = { .type = NETLINK_TYPE_IN_ADDR },
438 [NDA_LLADDR] = { .type = NETLINK_TYPE_ETHER_ADDR },
439 [NDA_CACHEINFO] = { .type = NETLINK_TYPE_CACHE_INFO, .size = sizeof(struct nda_cacheinfo) },
440 [NDA_PROBES] = { .type = NETLINK_TYPE_U32 },
441 [NDA_VLAN] = { .type = NETLINK_TYPE_U16 },
442 [NDA_PORT] = { .type = NETLINK_TYPE_U16 },
443 [NDA_VNI] = { .type = NETLINK_TYPE_U32 },
444 [NDA_IFINDEX] = { .type = NETLINK_TYPE_U32 },
447 static const NLTypeSystem rtnl_neigh_type_system = {
448 .max = ELEMENTSOF(rtnl_neigh_types) - 1,
449 .types = rtnl_neigh_types,
452 static const NLType rtnl_types[RTM_MAX + 1] = {
453 [NLMSG_DONE] = { .type = NETLINK_TYPE_META, .size = 0 },
454 [NLMSG_ERROR] = { .type = NETLINK_TYPE_META, .size = sizeof(struct nlmsgerr) },
455 [RTM_NEWLINK] = { .type = NETLINK_TYPE_NESTED, .type_system = &rtnl_link_type_system, .size = sizeof(struct ifinfomsg) },
456 [RTM_DELLINK] = { .type = NETLINK_TYPE_NESTED, .type_system = &rtnl_link_type_system, .size = sizeof(struct ifinfomsg) },
457 [RTM_GETLINK] = { .type = NETLINK_TYPE_NESTED, .type_system = &rtnl_link_type_system, .size = sizeof(struct ifinfomsg) },
458 [RTM_SETLINK] = { .type = NETLINK_TYPE_NESTED, .type_system = &rtnl_link_type_system, .size = sizeof(struct ifinfomsg) },
459 [RTM_NEWADDR] = { .type = NETLINK_TYPE_NESTED, .type_system = &rtnl_address_type_system, .size = sizeof(struct ifaddrmsg) },
460 [RTM_DELADDR] = { .type = NETLINK_TYPE_NESTED, .type_system = &rtnl_address_type_system, .size = sizeof(struct ifaddrmsg) },
461 [RTM_GETADDR] = { .type = NETLINK_TYPE_NESTED, .type_system = &rtnl_address_type_system, .size = sizeof(struct ifaddrmsg) },
462 [RTM_NEWROUTE] = { .type = NETLINK_TYPE_NESTED, .type_system = &rtnl_route_type_system, .size = sizeof(struct rtmsg) },
463 [RTM_DELROUTE] = { .type = NETLINK_TYPE_NESTED, .type_system = &rtnl_route_type_system, .size = sizeof(struct rtmsg) },
464 [RTM_GETROUTE] = { .type = NETLINK_TYPE_NESTED, .type_system = &rtnl_route_type_system, .size = sizeof(struct rtmsg) },
465 [RTM_NEWNEIGH] = { .type = NETLINK_TYPE_NESTED, .type_system = &rtnl_neigh_type_system, .size = sizeof(struct ndmsg) },
466 [RTM_DELNEIGH] = { .type = NETLINK_TYPE_NESTED, .type_system = &rtnl_neigh_type_system, .size = sizeof(struct ndmsg) },
467 [RTM_GETNEIGH] = { .type = NETLINK_TYPE_NESTED, .type_system = &rtnl_neigh_type_system, .size = sizeof(struct ndmsg) },
470 const NLTypeSystem rtnl_type_system = {
471 .max = ELEMENTSOF(rtnl_types) - 1,
475 uint16_t type_get_type(const NLType *type) {
480 size_t type_get_size(const NLType *type) {
485 void type_get_type_system(const NLType *nl_type, const NLTypeSystem **ret) {
488 assert(nl_type->type == NETLINK_TYPE_NESTED);
489 assert(nl_type->type_system);
491 *ret = nl_type->type_system;
494 void type_get_type_system_union(const NLType *nl_type, const NLTypeSystemUnion **ret) {
497 assert(nl_type->type == NETLINK_TYPE_UNION);
498 assert(nl_type->type_system_union);
500 *ret = nl_type->type_system_union;
503 uint16_t type_system_get_max(const NLTypeSystem *type_system) {
505 return type_system->max;
508 int type_system_get_type(const NLTypeSystem *type_system, const NLType **ret, uint16_t type) {
509 const NLType *nl_type;
514 type_system = &rtnl_type_system;
516 assert(type_system->types);
518 if (type > type_system->max)
521 nl_type = &type_system->types[type];
523 if (nl_type->type == NETLINK_TYPE_UNSPEC)
531 int type_system_get_type_system(const NLTypeSystem *type_system, const NLTypeSystem **ret, uint16_t type) {
532 const NLType *nl_type;
537 r = type_system_get_type(type_system, &nl_type, type);
541 type_get_type_system(nl_type, ret);
545 int type_system_get_type_system_union(const NLTypeSystem *type_system, const NLTypeSystemUnion **ret, uint16_t type) {
546 const NLType *nl_type;
551 r = type_system_get_type(type_system, &nl_type, type);
555 type_get_type_system_union(nl_type, ret);
559 int type_system_union_get_type_system(const NLTypeSystemUnion *type_system_union, const NLTypeSystem **ret, const char *key) {
562 assert(type_system_union);
563 assert(type_system_union->match_type == NL_MATCH_SIBLING);
564 assert(type_system_union->lookup);
565 assert(type_system_union->type_systems);
569 type = type_system_union->lookup(key);
573 assert(type < type_system_union->num);
575 *ret = &type_system_union->type_systems[type];
580 int type_system_union_protocol_get_type_system(const NLTypeSystemUnion *type_system_union, const NLTypeSystem **ret, uint16_t protocol) {
581 const NLTypeSystem *type_system;
583 assert(type_system_union);
584 assert(type_system_union->type_systems);
585 assert(type_system_union->match_type == NL_MATCH_PROTOCOL);
588 if (protocol >= type_system_union->num)
591 type_system = &type_system_union->type_systems[protocol];
592 if (type_system->max == 0)