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;
49 static const NLTypeSystem rtnl_link_type_system;
51 static const NLType rtnl_link_info_data_veth_types[VETH_INFO_MAX + 1] = {
52 [VETH_INFO_PEER] = { .type = NETLINK_TYPE_NESTED, .type_system = &rtnl_link_type_system, .size = sizeof(struct ifinfomsg) },
55 static const NLType rtnl_link_info_data_ipvlan_types[IFLA_IPVLAN_MAX + 1] = {
56 [IFLA_IPVLAN_MODE] = { .type = NETLINK_TYPE_U16 },
59 static const NLType rtnl_link_info_data_macvlan_types[IFLA_MACVLAN_MAX + 1] = {
60 [IFLA_MACVLAN_MODE] = { .type = NETLINK_TYPE_U32 },
61 [IFLA_MACVLAN_FLAGS] = { .type = NETLINK_TYPE_U16 },
64 static const NLType rtnl_link_info_data_bridge_types[IFLA_BRIDGE_MAX + 1] = {
65 [IFLA_BRIDGE_FLAGS] = { .type = NETLINK_TYPE_U16 },
66 [IFLA_BRIDGE_MODE] = { .type = NETLINK_TYPE_U16 },
68 [IFLA_BRIDGE_VLAN_INFO] = { .type = NETLINK_TYPE_BINARY,
69 .len = sizeof(struct bridge_vlan_info), },
73 static const NLType rtnl_link_info_data_vlan_types[IFLA_VLAN_MAX + 1] = {
74 [IFLA_VLAN_ID] = { .type = NETLINK_TYPE_U16 },
76 [IFLA_VLAN_FLAGS] = { .len = sizeof(struct ifla_vlan_flags) },
77 [IFLA_VLAN_EGRESS_QOS] = { .type = NETLINK_TYPE_NESTED },
78 [IFLA_VLAN_INGRESS_QOS] = { .type = NETLINK_TYPE_NESTED },
80 [IFLA_VLAN_PROTOCOL] = { .type = NETLINK_TYPE_U16 },
83 static const NLType rtnl_link_info_data_vxlan_types[IFLA_VXLAN_MAX+1] = {
84 [IFLA_VXLAN_ID] = { .type = NETLINK_TYPE_U32 },
85 [IFLA_VXLAN_GROUP] = { .type = NETLINK_TYPE_IN_ADDR },
86 [IFLA_VXLAN_LINK] = { .type = NETLINK_TYPE_U32 },
87 [IFLA_VXLAN_LOCAL] = { .type = NETLINK_TYPE_U32},
88 [IFLA_VXLAN_TTL] = { .type = NETLINK_TYPE_U8 },
89 [IFLA_VXLAN_TOS] = { .type = NETLINK_TYPE_U8 },
90 [IFLA_VXLAN_LEARNING] = { .type = NETLINK_TYPE_U8 },
91 [IFLA_VXLAN_AGEING] = { .type = NETLINK_TYPE_U32 },
92 [IFLA_VXLAN_LIMIT] = { .type = NETLINK_TYPE_U32 },
93 [IFLA_VXLAN_PORT_RANGE] = { .type = NETLINK_TYPE_U32},
94 [IFLA_VXLAN_PROXY] = { .type = NETLINK_TYPE_U8 },
95 [IFLA_VXLAN_RSC] = { .type = NETLINK_TYPE_U8 },
96 [IFLA_VXLAN_L2MISS] = { .type = NETLINK_TYPE_U8 },
97 [IFLA_VXLAN_L3MISS] = { .type = NETLINK_TYPE_U8 },
100 static const NLType rtnl_bond_arp_target_types[BOND_ARP_TARGETS_MAX + 1] = {
101 [BOND_ARP_TARGETS_0] = { .type = NETLINK_TYPE_U32 },
102 [BOND_ARP_TARGETS_1] = { .type = NETLINK_TYPE_U32 },
103 [BOND_ARP_TARGETS_2] = { .type = NETLINK_TYPE_U32 },
104 [BOND_ARP_TARGETS_3] = { .type = NETLINK_TYPE_U32 },
105 [BOND_ARP_TARGETS_4] = { .type = NETLINK_TYPE_U32 },
106 [BOND_ARP_TARGETS_5] = { .type = NETLINK_TYPE_U32 },
107 [BOND_ARP_TARGETS_6] = { .type = NETLINK_TYPE_U32 },
108 [BOND_ARP_TARGETS_7] = { .type = NETLINK_TYPE_U32 },
109 [BOND_ARP_TARGETS_8] = { .type = NETLINK_TYPE_U32 },
110 [BOND_ARP_TARGETS_9] = { .type = NETLINK_TYPE_U32 },
111 [BOND_ARP_TARGETS_10] = { .type = NETLINK_TYPE_U32 },
112 [BOND_ARP_TARGETS_11] = { .type = NETLINK_TYPE_U32 },
113 [BOND_ARP_TARGETS_12] = { .type = NETLINK_TYPE_U32 },
114 [BOND_ARP_TARGETS_13] = { .type = NETLINK_TYPE_U32 },
115 [BOND_ARP_TARGETS_14] = { .type = NETLINK_TYPE_U32 },
116 [BOND_ARP_TARGETS_MAX] = { .type = NETLINK_TYPE_U32 },
119 static const NLTypeSystem rtnl_bond_arp_type_system = {
120 .max = ELEMENTSOF(rtnl_bond_arp_target_types) - 1,
121 .types = rtnl_bond_arp_target_types,
124 static const NLType rtnl_link_info_data_bond_types[IFLA_BOND_MAX + 1] = {
125 [IFLA_BOND_MODE] = { .type = NETLINK_TYPE_U8 },
126 [IFLA_BOND_ACTIVE_SLAVE] = { .type = NETLINK_TYPE_U32 },
127 [IFLA_BOND_MIIMON] = { .type = NETLINK_TYPE_U32 },
128 [IFLA_BOND_UPDELAY] = { .type = NETLINK_TYPE_U32 },
129 [IFLA_BOND_DOWNDELAY] = { .type = NETLINK_TYPE_U32 },
130 [IFLA_BOND_USE_CARRIER] = { .type = NETLINK_TYPE_U8 },
131 [IFLA_BOND_ARP_INTERVAL] = { .type = NETLINK_TYPE_U32 },
132 [IFLA_BOND_ARP_IP_TARGET] = { .type = NETLINK_TYPE_NESTED, .type_system = &rtnl_bond_arp_type_system },
133 [IFLA_BOND_ARP_VALIDATE] = { .type = NETLINK_TYPE_U32 },
134 [IFLA_BOND_ARP_ALL_TARGETS] = { .type = NETLINK_TYPE_U32 },
135 [IFLA_BOND_PRIMARY] = { .type = NETLINK_TYPE_U32 },
136 [IFLA_BOND_PRIMARY_RESELECT] = { .type = NETLINK_TYPE_U8 },
137 [IFLA_BOND_FAIL_OVER_MAC] = { .type = NETLINK_TYPE_U8 },
138 [IFLA_BOND_XMIT_HASH_POLICY] = { .type = NETLINK_TYPE_U8 },
139 [IFLA_BOND_RESEND_IGMP] = { .type = NETLINK_TYPE_U32 },
140 [IFLA_BOND_NUM_PEER_NOTIF] = { .type = NETLINK_TYPE_U8 },
141 [IFLA_BOND_ALL_SLAVES_ACTIVE] = { .type = NETLINK_TYPE_U8 },
142 [IFLA_BOND_MIN_LINKS] = { .type = NETLINK_TYPE_U32 },
143 [IFLA_BOND_LP_INTERVAL] = { .type = NETLINK_TYPE_U32 },
144 [IFLA_BOND_PACKETS_PER_SLAVE] = { .type = NETLINK_TYPE_U32 },
145 [IFLA_BOND_AD_LACP_RATE] = { .type = NETLINK_TYPE_U8 },
146 [IFLA_BOND_AD_SELECT] = { .type = NETLINK_TYPE_U8 },
147 [IFLA_BOND_AD_INFO] = { .type = NETLINK_TYPE_NESTED },
150 static const NLType rtnl_link_info_data_iptun_types[IFLA_IPTUN_MAX + 1] = {
151 [IFLA_IPTUN_LINK] = { .type = NETLINK_TYPE_U32 },
152 [IFLA_IPTUN_LOCAL] = { .type = NETLINK_TYPE_IN_ADDR },
153 [IFLA_IPTUN_REMOTE] = { .type = NETLINK_TYPE_IN_ADDR },
154 [IFLA_IPTUN_TTL] = { .type = NETLINK_TYPE_U8 },
155 [IFLA_IPTUN_TOS] = { .type = NETLINK_TYPE_U8 },
156 [IFLA_IPTUN_PMTUDISC] = { .type = NETLINK_TYPE_U8 },
157 [IFLA_IPTUN_FLAGS] = { .type = NETLINK_TYPE_U16 },
158 [IFLA_IPTUN_PROTO] = { .type = NETLINK_TYPE_U8 },
159 [IFLA_IPTUN_6RD_PREFIX] = { .type = NETLINK_TYPE_IN_ADDR },
160 [IFLA_IPTUN_6RD_RELAY_PREFIX] = { .type = NETLINK_TYPE_U32 },
161 [IFLA_IPTUN_6RD_PREFIXLEN] = { .type = NETLINK_TYPE_U16 },
162 [IFLA_IPTUN_6RD_RELAY_PREFIXLEN] = { .type = NETLINK_TYPE_U16 },
165 static const NLType rtnl_link_info_data_ipgre_types[IFLA_GRE_MAX + 1] = {
166 [IFLA_GRE_LINK] = { .type = NETLINK_TYPE_U32 },
167 [IFLA_GRE_IFLAGS] = { .type = NETLINK_TYPE_U16 },
168 [IFLA_GRE_OFLAGS] = { .type = NETLINK_TYPE_U16 },
169 [IFLA_GRE_IKEY] = { .type = NETLINK_TYPE_U32 },
170 [IFLA_GRE_OKEY] = { .type = NETLINK_TYPE_U32 },
171 [IFLA_GRE_LOCAL] = { .type = NETLINK_TYPE_IN_ADDR },
172 [IFLA_GRE_REMOTE] = { .type = NETLINK_TYPE_IN_ADDR },
173 [IFLA_GRE_TTL] = { .type = NETLINK_TYPE_U8 },
174 [IFLA_GRE_TOS] = { .type = NETLINK_TYPE_U8 },
175 [IFLA_GRE_PMTUDISC] = { .type = NETLINK_TYPE_U8 },
178 static const NLType rtnl_link_info_data_ipvti_types[IFLA_VTI_MAX + 1] = {
179 [IFLA_VTI_LINK] = { .type = NETLINK_TYPE_U32 },
180 [IFLA_VTI_IKEY] = { .type = NETLINK_TYPE_U32 },
181 [IFLA_VTI_OKEY] = { .type = NETLINK_TYPE_U32 },
182 [IFLA_VTI_LOCAL] = { .type = NETLINK_TYPE_IN_ADDR },
183 [IFLA_VTI_REMOTE] = { .type = NETLINK_TYPE_IN_ADDR },
186 static const NLType rtnl_link_info_data_ip6tnl_types[IFLA_IPTUN_MAX + 1] = {
187 [IFLA_IPTUN_LINK] = { .type = NETLINK_TYPE_U32 },
188 [IFLA_IPTUN_LOCAL] = { .type = NETLINK_TYPE_IN_ADDR },
189 [IFLA_IPTUN_REMOTE] = { .type = NETLINK_TYPE_IN_ADDR },
190 [IFLA_IPTUN_TTL] = { .type = NETLINK_TYPE_U8 },
191 [IFLA_IPTUN_FLAGS] = { .type = NETLINK_TYPE_U32 },
192 [IFLA_IPTUN_PROTO] = { .type = NETLINK_TYPE_U8 },
193 [IFLA_IPTUN_ENCAP_LIMIT] = { .type = NETLINK_TYPE_U8 },
194 [IFLA_IPTUN_FLOWINFO] = { .type = NETLINK_TYPE_U32},
197 /* these strings must match the .kind entries in the kernel */
198 static const char* const nl_union_link_info_data_table[_NL_UNION_LINK_INFO_DATA_MAX] = {
199 [NL_UNION_LINK_INFO_DATA_BOND] = "bond",
200 [NL_UNION_LINK_INFO_DATA_BRIDGE] = "bridge",
201 [NL_UNION_LINK_INFO_DATA_VLAN] = "vlan",
202 [NL_UNION_LINK_INFO_DATA_VETH] = "veth",
203 [NL_UNION_LINK_INFO_DATA_DUMMY] = "dummy",
204 [NL_UNION_LINK_INFO_DATA_MACVLAN] = "macvlan",
205 [NL_UNION_LINK_INFO_DATA_IPVLAN] = "ipvlan",
206 [NL_UNION_LINK_INFO_DATA_VXLAN] = "vxlan",
207 [NL_UNION_LINK_INFO_DATA_IPIP_TUNNEL] = "ipip",
208 [NL_UNION_LINK_INFO_DATA_IPGRE_TUNNEL] = "gre",
209 [NL_UNION_LINK_INFO_DATA_IPGRETAP_TUNNEL] = "gretap",
210 [NL_UNION_LINK_INFO_DATA_IP6GRE_TUNNEL] = "ip6gre",
211 [NL_UNION_LINK_INFO_DATA_IP6GRETAP_TUNNEL] = "ip6gretap",
212 [NL_UNION_LINK_INFO_DATA_SIT_TUNNEL] = "sit",
213 [NL_UNION_LINK_INFO_DATA_VTI_TUNNEL] = "vti",
214 [NL_UNION_LINK_INFO_DATA_VTI6_TUNNEL] = "vti6",
215 [NL_UNION_LINK_INFO_DATA_IP6TNL_TUNNEL] = "ip6tnl",
218 DEFINE_STRING_TABLE_LOOKUP(nl_union_link_info_data, NLUnionLinkInfoData);
220 static const NLTypeSystem rtnl_link_info_data_type_systems[_NL_UNION_LINK_INFO_DATA_MAX] = {
221 [NL_UNION_LINK_INFO_DATA_BOND] = { .max = ELEMENTSOF(rtnl_link_info_data_bond_types) - 1,
222 .types = rtnl_link_info_data_bond_types },
223 [NL_UNION_LINK_INFO_DATA_BRIDGE] = { .max = ELEMENTSOF(rtnl_link_info_data_bridge_types) - 1,
224 .types = rtnl_link_info_data_bridge_types },
225 [NL_UNION_LINK_INFO_DATA_VLAN] = { .max = ELEMENTSOF(rtnl_link_info_data_vlan_types) - 1,
226 .types = rtnl_link_info_data_vlan_types },
227 [NL_UNION_LINK_INFO_DATA_VETH] = { .max = ELEMENTSOF(rtnl_link_info_data_veth_types) - 1,
228 .types = rtnl_link_info_data_veth_types },
229 [NL_UNION_LINK_INFO_DATA_MACVLAN] = { .max = ELEMENTSOF(rtnl_link_info_data_macvlan_types) - 1,
230 .types = rtnl_link_info_data_macvlan_types },
231 [NL_UNION_LINK_INFO_DATA_IPVLAN] = { .max = ELEMENTSOF(rtnl_link_info_data_ipvlan_types) - 1,
232 .types = rtnl_link_info_data_ipvlan_types },
233 [NL_UNION_LINK_INFO_DATA_VXLAN] = { .max = ELEMENTSOF(rtnl_link_info_data_vxlan_types) - 1,
234 .types = rtnl_link_info_data_vxlan_types },
235 [NL_UNION_LINK_INFO_DATA_IPIP_TUNNEL] = { .max = ELEMENTSOF(rtnl_link_info_data_iptun_types) - 1,
236 .types = rtnl_link_info_data_iptun_types },
237 [NL_UNION_LINK_INFO_DATA_IPGRE_TUNNEL] = { .max = ELEMENTSOF(rtnl_link_info_data_ipgre_types) - 1,
238 .types = rtnl_link_info_data_ipgre_types },
239 [NL_UNION_LINK_INFO_DATA_IPGRETAP_TUNNEL] = { .max = ELEMENTSOF(rtnl_link_info_data_ipgre_types) - 1,
240 .types = rtnl_link_info_data_ipgre_types },
241 [NL_UNION_LINK_INFO_DATA_IP6GRE_TUNNEL] = { .max = ELEMENTSOF(rtnl_link_info_data_ipgre_types) - 1,
242 .types = rtnl_link_info_data_ipgre_types },
243 [NL_UNION_LINK_INFO_DATA_IP6GRETAP_TUNNEL] = { .max = ELEMENTSOF(rtnl_link_info_data_ipgre_types) - 1,
244 .types = rtnl_link_info_data_ipgre_types },
245 [NL_UNION_LINK_INFO_DATA_SIT_TUNNEL] = { .max = ELEMENTSOF(rtnl_link_info_data_iptun_types) - 1,
246 .types = rtnl_link_info_data_iptun_types },
247 [NL_UNION_LINK_INFO_DATA_VTI_TUNNEL] = { .max = ELEMENTSOF(rtnl_link_info_data_ipvti_types) - 1,
248 .types = rtnl_link_info_data_ipvti_types },
249 [NL_UNION_LINK_INFO_DATA_VTI6_TUNNEL] = { .max = ELEMENTSOF(rtnl_link_info_data_ipvti_types) - 1,
250 .types = rtnl_link_info_data_ipvti_types },
251 [NL_UNION_LINK_INFO_DATA_IP6TNL_TUNNEL] = { .max = ELEMENTSOF(rtnl_link_info_data_ip6tnl_types) - 1,
252 .types = rtnl_link_info_data_ip6tnl_types },
256 static const NLTypeSystemUnion rtnl_link_info_data_type_system_union = {
257 .num = _NL_UNION_LINK_INFO_DATA_MAX,
258 .lookup = nl_union_link_info_data_from_string,
259 .type_systems = rtnl_link_info_data_type_systems,
260 .match_type = NL_MATCH_SIBLING,
261 .match = IFLA_INFO_KIND,
264 static const NLType rtnl_link_info_types[IFLA_INFO_MAX + 1] = {
265 [IFLA_INFO_KIND] = { .type = NETLINK_TYPE_STRING },
266 [IFLA_INFO_DATA] = { .type = NETLINK_TYPE_UNION, .type_system_union = &rtnl_link_info_data_type_system_union},
269 [IFLA_INFO_SLAVE_KIND] = { .type = NETLINK_TYPE_STRING },
270 [IFLA_INFO_SLAVE_DATA] = { .type = NETLINK_TYPE_NESTED },
274 static const NLTypeSystem rtnl_link_info_type_system = {
275 .max = ELEMENTSOF(rtnl_link_info_types) - 1,
276 .types = rtnl_link_info_types,
279 static const struct NLType rtnl_prot_info_bridge_port_types[IFLA_BRPORT_MAX + 1] = {
280 [IFLA_BRPORT_STATE] = { .type = NETLINK_TYPE_U8 },
281 [IFLA_BRPORT_COST] = { .type = NETLINK_TYPE_U32 },
282 [IFLA_BRPORT_PRIORITY] = { .type = NETLINK_TYPE_U16 },
283 [IFLA_BRPORT_MODE] = { .type = NETLINK_TYPE_U8 },
284 [IFLA_BRPORT_GUARD] = { .type = NETLINK_TYPE_U8 },
285 [IFLA_BRPORT_PROTECT] = { .type = NETLINK_TYPE_U8 },
286 [IFLA_BRPORT_LEARNING] = { .type = NETLINK_TYPE_U8 },
287 [IFLA_BRPORT_UNICAST_FLOOD] = { .type = NETLINK_TYPE_U8 },
290 static const NLTypeSystem rtnl_prot_info_type_systems[AF_MAX] = {
291 [AF_BRIDGE] = { .max = ELEMENTSOF(rtnl_prot_info_bridge_port_types) - 1,
292 .types = rtnl_prot_info_bridge_port_types },
295 static const NLTypeSystemUnion rtnl_prot_info_type_system_union = {
297 .type_systems = rtnl_prot_info_type_systems,
298 .match_type = NL_MATCH_PROTOCOL,
301 static const struct NLType rtnl_af_spec_inet6_types[IFLA_INET6_MAX + 1] = {
302 [IFLA_INET6_FLAGS] = { .type = NETLINK_TYPE_U32 },
307 IFLA_INET6_CACHEINFO,
308 IFLA_INET6_ICMP6STATS,
310 [IFLA_INET6_TOKEN] = { .type = NETLINK_TYPE_IN_ADDR },
311 [IFLA_INET6_ADDR_GEN_MODE] = { .type = NETLINK_TYPE_U8 },
314 static const NLTypeSystem rtnl_af_spec_inet6_type_system = {
315 .max = ELEMENTSOF(rtnl_af_spec_inet6_types) - 1,
316 .types = rtnl_af_spec_inet6_types,
319 static const NLType rtnl_af_spec_types[AF_MAX + 1] = {
320 [AF_INET6] = { .type = NETLINK_TYPE_NESTED, .type_system = &rtnl_af_spec_inet6_type_system },
323 static const NLTypeSystem rtnl_af_spec_type_system = {
324 .max = ELEMENTSOF(rtnl_af_spec_types) - 1,
325 .types = rtnl_af_spec_types,
328 static const NLType rtnl_link_types[IFLA_MAX + 1 ] = {
329 [IFLA_ADDRESS] = { .type = NETLINK_TYPE_ETHER_ADDR, },
330 [IFLA_BROADCAST] = { .type = NETLINK_TYPE_ETHER_ADDR, },
331 [IFLA_IFNAME] = { .type = NETLINK_TYPE_STRING, .size = IFNAMSIZ - 1, },
332 [IFLA_MTU] = { .type = NETLINK_TYPE_U32 },
333 [IFLA_LINK] = { .type = NETLINK_TYPE_U32 },
340 [IFLA_MASTER] = { .type = NETLINK_TYPE_U32 },
344 [IFLA_PROTINFO] = { .type = NETLINK_TYPE_UNION, .type_system_union = &rtnl_prot_info_type_system_union },
345 [IFLA_TXQLEN] = { .type = NETLINK_TYPE_U32 },
347 [IFLA_MAP] = { .len = sizeof(struct rtnl_link_ifmap) },
349 [IFLA_WEIGHT] = { .type = NETLINK_TYPE_U32 },
350 [IFLA_OPERSTATE] = { .type = NETLINK_TYPE_U8 },
351 [IFLA_LINKMODE] = { .type = NETLINK_TYPE_U8 },
352 [IFLA_LINKINFO] = { .type = NETLINK_TYPE_NESTED, .type_system = &rtnl_link_info_type_system },
353 [IFLA_NET_NS_PID] = { .type = NETLINK_TYPE_U32 },
354 [IFLA_IFALIAS] = { .type = NETLINK_TYPE_STRING, .size = IFALIASZ - 1 },
357 [IFLA_VFINFO_LIST] = {. type = NETLINK_TYPE_NESTED, },
359 [IFLA_VF_PORTS] = { .type = NETLINK_TYPE_NESTED },
360 [IFLA_PORT_SELF] = { .type = NETLINK_TYPE_NESTED },
362 [IFLA_AF_SPEC] = { .type = NETLINK_TYPE_NESTED, .type_system = &rtnl_af_spec_type_system },
368 [IFLA_GROUP] = { .type = NETLINK_TYPE_U32 },
369 [IFLA_NET_NS_FD] = { .type = NETLINK_TYPE_U32 },
370 [IFLA_EXT_MASK] = { .type = NETLINK_TYPE_U32 },
371 [IFLA_PROMISCUITY] = { .type = NETLINK_TYPE_U32 },
372 [IFLA_NUM_TX_QUEUES] = { .type = NETLINK_TYPE_U32 },
373 [IFLA_NUM_RX_QUEUES] = { .type = NETLINK_TYPE_U32 },
374 [IFLA_CARRIER] = { .type = NETLINK_TYPE_U8 },
376 [IFLA_PHYS_PORT_ID] = { .type = NETLINK_TYPE_BINARY, .len = MAX_PHYS_PORT_ID_LEN },
380 static const NLTypeSystem rtnl_link_type_system = {
381 .max = ELEMENTSOF(rtnl_link_types) - 1,
382 .types = rtnl_link_types,
385 /* IFA_FLAGS was defined in kernel 3.14, but we still support older
386 * kernels where IFA_MAX is lower. */
387 static const NLType rtnl_address_types[CONST_MAX(IFA_MAX, IFA_FLAGS) + 1] = {
388 [IFA_ADDRESS] = { .type = NETLINK_TYPE_IN_ADDR },
389 [IFA_LOCAL] = { .type = NETLINK_TYPE_IN_ADDR },
390 [IFA_LABEL] = { .type = NETLINK_TYPE_STRING, .size = IFNAMSIZ - 1 },
391 [IFA_BROADCAST] = { .type = NETLINK_TYPE_IN_ADDR }, /* 6? */
392 [IFA_CACHEINFO] = { .type = NETLINK_TYPE_CACHE_INFO, .size = sizeof(struct ifa_cacheinfo) },
397 [IFA_FLAGS] = { .type = NETLINK_TYPE_U32 },
400 static const NLTypeSystem rtnl_address_type_system = {
401 .max = ELEMENTSOF(rtnl_address_types) - 1,
402 .types = rtnl_address_types,
405 static const NLType rtnl_route_types[RTA_MAX + 1] = {
406 [RTA_DST] = { .type = NETLINK_TYPE_IN_ADDR }, /* 6? */
407 [RTA_SRC] = { .type = NETLINK_TYPE_IN_ADDR }, /* 6? */
408 [RTA_IIF] = { .type = NETLINK_TYPE_U32 },
409 [RTA_OIF] = { .type = NETLINK_TYPE_U32 },
410 [RTA_GATEWAY] = { .type = NETLINK_TYPE_IN_ADDR },
411 [RTA_PRIORITY] = { .type = NETLINK_TYPE_U32 },
412 [RTA_PREFSRC] = { .type = NETLINK_TYPE_IN_ADDR }, /* 6? */
414 [RTA_METRICS] = { .type = NETLINK_TYPE_NESTED },
415 [RTA_MULTIPATH] = { .len = sizeof(struct rtnexthop) },
417 [RTA_FLOW] = { .type = NETLINK_TYPE_U32 }, /* 6? */
426 static const NLTypeSystem rtnl_route_type_system = {
427 .max = ELEMENTSOF(rtnl_route_types) - 1,
428 .types = rtnl_route_types,
431 static const NLType rtnl_neigh_types[NDA_MAX + 1] = {
432 [NDA_DST] = { .type = NETLINK_TYPE_IN_ADDR },
433 [NDA_LLADDR] = { .type = NETLINK_TYPE_ETHER_ADDR },
434 [NDA_CACHEINFO] = { .type = NETLINK_TYPE_CACHE_INFO, .size = sizeof(struct nda_cacheinfo) },
435 [NDA_PROBES] = { .type = NETLINK_TYPE_U32 },
436 [NDA_VLAN] = { .type = NETLINK_TYPE_U16 },
437 [NDA_PORT] = { .type = NETLINK_TYPE_U16 },
438 [NDA_VNI] = { .type = NETLINK_TYPE_U32 },
439 [NDA_IFINDEX] = { .type = NETLINK_TYPE_U32 },
442 static const NLTypeSystem rtnl_neigh_type_system = {
443 .max = ELEMENTSOF(rtnl_neigh_types) - 1,
444 .types = rtnl_neigh_types,
447 static const NLType rtnl_types[RTM_MAX + 1] = {
448 [NLMSG_DONE] = { .type = NETLINK_TYPE_META, .size = 0 },
449 [NLMSG_ERROR] = { .type = NETLINK_TYPE_META, .size = sizeof(struct nlmsgerr) },
450 [RTM_NEWLINK] = { .type = NETLINK_TYPE_NESTED, .type_system = &rtnl_link_type_system, .size = sizeof(struct ifinfomsg) },
451 [RTM_DELLINK] = { .type = NETLINK_TYPE_NESTED, .type_system = &rtnl_link_type_system, .size = sizeof(struct ifinfomsg) },
452 [RTM_GETLINK] = { .type = NETLINK_TYPE_NESTED, .type_system = &rtnl_link_type_system, .size = sizeof(struct ifinfomsg) },
453 [RTM_SETLINK] = { .type = NETLINK_TYPE_NESTED, .type_system = &rtnl_link_type_system, .size = sizeof(struct ifinfomsg) },
454 [RTM_NEWADDR] = { .type = NETLINK_TYPE_NESTED, .type_system = &rtnl_address_type_system, .size = sizeof(struct ifaddrmsg) },
455 [RTM_DELADDR] = { .type = NETLINK_TYPE_NESTED, .type_system = &rtnl_address_type_system, .size = sizeof(struct ifaddrmsg) },
456 [RTM_GETADDR] = { .type = NETLINK_TYPE_NESTED, .type_system = &rtnl_address_type_system, .size = sizeof(struct ifaddrmsg) },
457 [RTM_NEWROUTE] = { .type = NETLINK_TYPE_NESTED, .type_system = &rtnl_route_type_system, .size = sizeof(struct rtmsg) },
458 [RTM_DELROUTE] = { .type = NETLINK_TYPE_NESTED, .type_system = &rtnl_route_type_system, .size = sizeof(struct rtmsg) },
459 [RTM_GETROUTE] = { .type = NETLINK_TYPE_NESTED, .type_system = &rtnl_route_type_system, .size = sizeof(struct rtmsg) },
460 [RTM_NEWNEIGH] = { .type = NETLINK_TYPE_NESTED, .type_system = &rtnl_neigh_type_system, .size = sizeof(struct ndmsg) },
461 [RTM_DELNEIGH] = { .type = NETLINK_TYPE_NESTED, .type_system = &rtnl_neigh_type_system, .size = sizeof(struct ndmsg) },
462 [RTM_GETNEIGH] = { .type = NETLINK_TYPE_NESTED, .type_system = &rtnl_neigh_type_system, .size = sizeof(struct ndmsg) },
465 const NLTypeSystem rtnl_type_system = {
466 .max = ELEMENTSOF(rtnl_types) - 1,
470 uint16_t type_get_type(const NLType *type) {
475 size_t type_get_size(const NLType *type) {
480 void type_get_type_system(const NLType *nl_type, const NLTypeSystem **ret) {
483 assert(nl_type->type == NETLINK_TYPE_NESTED);
484 assert(nl_type->type_system);
486 *ret = nl_type->type_system;
489 void type_get_type_system_union(const NLType *nl_type, const NLTypeSystemUnion **ret) {
492 assert(nl_type->type == NETLINK_TYPE_UNION);
493 assert(nl_type->type_system_union);
495 *ret = nl_type->type_system_union;
498 int type_system_get_type(const NLTypeSystem *type_system, const NLType **ret, uint16_t type) {
499 const NLType *nl_type;
504 type_system = &rtnl_type_system;
506 assert(type_system->types);
508 if (type > type_system->max)
511 nl_type = &type_system->types[type];
513 if (nl_type->type == NETLINK_TYPE_UNSPEC)
521 int type_system_get_type_system(const NLTypeSystem *type_system, const NLTypeSystem **ret, uint16_t type) {
522 const NLType *nl_type;
527 r = type_system_get_type(type_system, &nl_type, type);
531 type_get_type_system(nl_type, ret);
535 int type_system_get_type_system_union(const NLTypeSystem *type_system, const NLTypeSystemUnion **ret, uint16_t type) {
536 const NLType *nl_type;
541 r = type_system_get_type(type_system, &nl_type, type);
545 type_get_type_system_union(nl_type, ret);
549 int type_system_union_get_type_system(const NLTypeSystemUnion *type_system_union, const NLTypeSystem **ret, const char *key) {
552 assert(type_system_union);
553 assert(type_system_union->match_type == NL_MATCH_SIBLING);
554 assert(type_system_union->lookup);
555 assert(type_system_union->type_systems);
559 type = type_system_union->lookup(key);
563 assert(type < type_system_union->num);
565 *ret = &type_system_union->type_systems[type];
570 int type_system_union_protocol_get_type_system(const NLTypeSystemUnion *type_system_union, const NLTypeSystem **ret, uint16_t protocol) {
571 const NLTypeSystem *type_system;
573 assert(type_system_union);
574 assert(type_system_union->type_systems);
575 assert(type_system_union->match_type == NL_MATCH_PROTOCOL);
578 if (protocol >= type_system_union->num)
581 type_system = &type_system_union->type_systems[protocol];
582 if (type_system->max == 0)