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 "rtnl-types.h"
42 static const NLTypeSystem rtnl_link_type_system;
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) },
48 static const NLType rtnl_link_info_data_ipvlan_types[IFLA_IPVLAN_MAX + 1] = {
49 [IFLA_IPVLAN_MODE] = { .type = NLA_U16 },
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 },
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 },
61 [IFLA_BRIDGE_VLAN_INFO] = { .type = NLA_BINARY,
62 .len = sizeof(struct bridge_vlan_info), },
66 static const NLType rtnl_link_info_data_vlan_types[IFLA_VLAN_MAX + 1] = {
67 [IFLA_VLAN_ID] = { .type = NLA_U16 },
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 },
73 [IFLA_VLAN_PROTOCOL] = { .type = NLA_U16 },
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 },
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 },
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,
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 },
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 },
125 [IFLA_BOND_ARP_IP_TARGET] = { .type = NLA_NESTED, .type_system = &rtnl_bond_arp_type_system },
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 },
140 [IFLA_BOND_AD_INFO] = { .type = NLA_NESTED },
143 static const NLType rtnl_link_info_data_iptun_types[IFLA_IPTUN_MAX + 1] = {
144 [IFLA_IPTUN_LINK] = { .type = NLA_U32 },
145 [IFLA_IPTUN_LOCAL] = { .type = NLA_IN_ADDR },
146 [IFLA_IPTUN_REMOTE] = { .type = NLA_IN_ADDR },
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 },
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 },
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 },
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},
190 /* these strings must match the .kind entries in the kernel */
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",
196 [NL_UNION_LINK_INFO_DATA_DUMMY] = "dummy",
197 [NL_UNION_LINK_INFO_DATA_MACVLAN] = "macvlan",
198 [NL_UNION_LINK_INFO_DATA_IPVLAN] = "ipvlan",
199 [NL_UNION_LINK_INFO_DATA_VXLAN] = "vxlan",
200 [NL_UNION_LINK_INFO_DATA_IPIP_TUNNEL] = "ipip",
201 [NL_UNION_LINK_INFO_DATA_IPGRE_TUNNEL] = "gre",
202 [NL_UNION_LINK_INFO_DATA_IPGRETAP_TUNNEL] = "gretap",
203 [NL_UNION_LINK_INFO_DATA_IP6GRE_TUNNEL] = "ip6gre",
204 [NL_UNION_LINK_INFO_DATA_IP6GRETAP_TUNNEL] = "ip6gretap",
205 [NL_UNION_LINK_INFO_DATA_SIT_TUNNEL] = "sit",
206 [NL_UNION_LINK_INFO_DATA_VTI_TUNNEL] = "vti",
207 [NL_UNION_LINK_INFO_DATA_VTI6_TUNNEL] = "vti6",
208 [NL_UNION_LINK_INFO_DATA_IP6TNL_TUNNEL] = "ip6tnl",
211 DEFINE_STRING_TABLE_LOOKUP(nl_union_link_info_data, NLUnionLinkInfoData);
213 static const NLTypeSystem rtnl_link_info_data_type_systems[_NL_UNION_LINK_INFO_DATA_MAX] = {
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 },
224 [NL_UNION_LINK_INFO_DATA_IPVLAN] = { .max = ELEMENTSOF(rtnl_link_info_data_ipvlan_types) - 1,
225 .types = rtnl_link_info_data_ipvlan_types },
226 [NL_UNION_LINK_INFO_DATA_VXLAN] = { .max = ELEMENTSOF(rtnl_link_info_data_vxlan_types) - 1,
227 .types = rtnl_link_info_data_vxlan_types },
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 },
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 },
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 },
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 },
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 },
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 },
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 },
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 },
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,
253 .match_type = NL_MATCH_SIBLING,
254 .match = IFLA_INFO_KIND,
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},
262 [IFLA_INFO_SLAVE_KIND] = { .type = NLA_STRING },
263 [IFLA_INFO_SLAVE_DATA] = { .type = NLA_NESTED },
267 static const NLTypeSystem rtnl_link_info_type_system = {
268 .max = ELEMENTSOF(rtnl_link_info_types) - 1,
269 .types = rtnl_link_info_types,
272 static const struct NLType rtnl_prot_info_bridge_port_types[IFLA_BRPORT_MAX + 1] = {
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 },
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 },
288 static const NLTypeSystemUnion rtnl_prot_info_type_system_union = {
290 .type_systems = rtnl_prot_info_type_systems,
291 .match_type = NL_MATCH_PROTOCOL,
294 static const struct NLType rtnl_af_spec_inet6_types[IFLA_INET6_MAX + 1] = {
295 [IFLA_INET6_FLAGS] = { .type = NLA_U32 },
300 IFLA_INET6_CACHEINFO,
301 IFLA_INET6_ICMP6STATS,
303 [IFLA_INET6_TOKEN] = { .type = NLA_IN_ADDR },
304 [IFLA_INET6_ADDR_GEN_MODE] = { .type = NLA_U8 },
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,
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 },
316 static const NLTypeSystem rtnl_af_spec_type_system = {
317 .max = ELEMENTSOF(rtnl_af_spec_types) - 1,
318 .types = rtnl_af_spec_types,
321 static const NLType rtnl_link_types[IFLA_MAX + 1 ] = {
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 },
333 [IFLA_MASTER] = { .type = NLA_U32 },
337 [IFLA_PROTINFO] = { .type = NLA_UNION, .type_system_union = &rtnl_prot_info_type_system_union },
338 [IFLA_TXQLEN] = { .type = NLA_U32 },
340 [IFLA_MAP] = { .len = sizeof(struct rtnl_link_ifmap) },
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 },
350 [IFLA_VFINFO_LIST] = {. type = NLA_NESTED, },
352 [IFLA_VF_PORTS] = { .type = NLA_NESTED },
353 [IFLA_PORT_SELF] = { .type = NLA_NESTED },
355 [IFLA_AF_SPEC] = { .type = NLA_NESTED, .type_system = &rtnl_af_spec_type_system },
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 },
369 [IFLA_PHYS_PORT_ID] = { .type = NLA_BINARY, .len = MAX_PHYS_PORT_ID_LEN },
373 static const NLTypeSystem rtnl_link_type_system = {
374 .max = ELEMENTSOF(rtnl_link_types) - 1,
375 .types = rtnl_link_types,
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] = {
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? */
385 [IFA_CACHEINFO] = { .type = NLA_CACHE_INFO, .size = sizeof(struct ifa_cacheinfo) },
389 [IFA_FLAGS] = { .type = NLA_U32 },
393 static const NLTypeSystem rtnl_address_type_system = {
394 .max = ELEMENTSOF(rtnl_address_types) - 1,
395 .types = rtnl_address_types,
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? */
407 [RTA_METRICS] = { .type = NLA_NESTED },
408 [RTA_MULTIPATH] = { .len = sizeof(struct rtnexthop) },
410 [RTA_FLOW] = { .type = NLA_U32 }, /* 6? */
419 static const NLTypeSystem rtnl_route_type_system = {
420 .max = ELEMENTSOF(rtnl_route_types) - 1,
421 .types = rtnl_route_types,
424 static const NLType rtnl_neigh_types[NDA_MAX + 1] = {
425 [NDA_DST] = { .type = NLA_IN_ADDR },
426 [NDA_LLADDR] = { .type = NLA_ETHER_ADDR },
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 },
435 static const NLTypeSystem rtnl_neigh_type_system = {
436 .max = ELEMENTSOF(rtnl_neigh_types) - 1,
437 .types = rtnl_neigh_types,
440 static const NLType rtnl_types[RTM_MAX + 1] = {
441 [NLMSG_DONE] = { .type = NLA_META, .size = 0 },
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) },
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) },
458 const NLTypeSystem rtnl_type_system = {
459 .max = ELEMENTSOF(rtnl_types) - 1,
463 int type_system_get_type(const NLTypeSystem *type_system, const NLType **ret, uint16_t type) {
464 const NLType *nl_type;
469 type_system = &rtnl_type_system;
471 assert(type_system->types);
473 if (type > type_system->max)
476 nl_type = &type_system->types[type];
478 if (nl_type->type == NLA_UNSPEC)
486 int type_system_get_type_system(const NLTypeSystem *type_system, const NLTypeSystem **ret, uint16_t type) {
487 const NLType *nl_type;
492 r = type_system_get_type(type_system, &nl_type, type);
496 assert(nl_type->type == NLA_NESTED);
497 assert(nl_type->type_system);
499 *ret = nl_type->type_system;
504 int type_system_get_type_system_union(const NLTypeSystem *type_system, const NLTypeSystemUnion **ret, uint16_t type) {
505 const NLType *nl_type;
510 r = type_system_get_type(type_system, &nl_type, type);
514 assert(nl_type->type == NLA_UNION);
515 assert(nl_type->type_system_union);
517 *ret = nl_type->type_system_union;
522 int type_system_union_get_type_system(const NLTypeSystemUnion *type_system_union, const NLTypeSystem **ret, const char *key) {
525 assert(type_system_union);
526 assert(type_system_union->match_type == NL_MATCH_SIBLING);
527 assert(type_system_union->lookup);
528 assert(type_system_union->type_systems);
532 type = type_system_union->lookup(key);
536 assert(type < type_system_union->num);
538 *ret = &type_system_union->type_systems[type];
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;
546 assert(type_system_union);
547 assert(type_system_union->type_systems);
548 assert(type_system_union->match_type == NL_MATCH_PROTOCOL);
551 if (protocol >= type_system_union->num)
554 type_system = &type_system_union->type_systems[protocol];
555 if (type_system->max == 0)