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/veth.h>
27 #include <linux/if_bridge.h>
28 #include <linux/if_addr.h>
32 #include <linux/if_link.h>
33 #include <linux/if_tunnel.h>
38 #include "rtnl-types.h"
41 static const NLTypeSystem rtnl_link_type_system;
43 static const NLType rtnl_link_info_data_veth_types[VETH_INFO_MAX + 1] = {
44 [VETH_INFO_PEER] = { .type = NLA_NESTED, .type_system = &rtnl_link_type_system, .size = sizeof(struct ifinfomsg) },
47 static const NLType rtnl_link_info_data_ipvlan_types[IFLA_IPVLAN_MAX + 1] = {
48 [IFLA_IPVLAN_MODE] = { .type = NLA_U16 },
51 static const NLType rtnl_link_info_data_macvlan_types[IFLA_MACVLAN_MAX + 1] = {
52 [IFLA_MACVLAN_MODE] = { .type = NLA_U32 },
53 [IFLA_MACVLAN_FLAGS] = { .type = NLA_U16 },
56 static const NLType rtnl_link_info_data_bridge_types[IFLA_BRIDGE_MAX + 1] = {
57 [IFLA_BRIDGE_FLAGS] = { .type = NLA_U16 },
58 [IFLA_BRIDGE_MODE] = { .type = NLA_U16 },
60 [IFLA_BRIDGE_VLAN_INFO] = { .type = NLA_BINARY,
61 .len = sizeof(struct bridge_vlan_info), },
65 static const NLType rtnl_link_info_data_vlan_types[IFLA_VLAN_MAX + 1] = {
66 [IFLA_VLAN_ID] = { .type = NLA_U16 },
68 [IFLA_VLAN_FLAGS] = { .len = sizeof(struct ifla_vlan_flags) },
69 [IFLA_VLAN_EGRESS_QOS] = { .type = NLA_NESTED },
70 [IFLA_VLAN_INGRESS_QOS] = { .type = NLA_NESTED },
72 [IFLA_VLAN_PROTOCOL] = { .type = NLA_U16 },
75 static const NLType rtnl_link_info_data_vxlan_types[IFLA_VXLAN_MAX+1] = {
76 [IFLA_VXLAN_ID] = { .type = NLA_U32 },
77 [IFLA_VXLAN_GROUP] = {.type = NLA_IN_ADDR },
78 [IFLA_VXLAN_LINK] = { .type = NLA_U32 },
79 [IFLA_VXLAN_LOCAL] = { .type = NLA_U32},
80 [IFLA_VXLAN_TTL] = { .type = NLA_U8 },
81 [IFLA_VXLAN_TOS] = { .type = NLA_U8 },
82 [IFLA_VXLAN_LEARNING] = { .type = NLA_U8 },
83 [IFLA_VXLAN_AGEING] = { .type = NLA_U32 },
84 [IFLA_VXLAN_LIMIT] = { .type = NLA_U32 },
85 [IFLA_VXLAN_PORT_RANGE] = { .type = NLA_U32},
86 [IFLA_VXLAN_PROXY] = { .type = NLA_U8 },
87 [IFLA_VXLAN_RSC] = { .type = NLA_U8 },
88 [IFLA_VXLAN_L2MISS] = { .type = NLA_U8 },
89 [IFLA_VXLAN_L3MISS] = { .type = NLA_U8 },
92 static const NLType rtnl_link_info_data_bond_types[IFLA_BOND_MAX + 1] = {
93 [IFLA_BOND_MODE] = { .type = NLA_U8 },
94 [IFLA_BOND_ACTIVE_SLAVE] = { .type = NLA_U32 },
95 [IFLA_BOND_MIIMON] = { .type = NLA_U32 },
96 [IFLA_BOND_UPDELAY] = { .type = NLA_U32 },
97 [IFLA_BOND_DOWNDELAY] = { .type = NLA_U32 },
98 [IFLA_BOND_USE_CARRIER] = { .type = NLA_U8 },
99 [IFLA_BOND_ARP_INTERVAL] = { .type = NLA_U32 },
100 [IFLA_BOND_ARP_IP_TARGET] = { .type = NLA_NESTED },
101 [IFLA_BOND_ARP_VALIDATE] = { .type = NLA_U32 },
102 [IFLA_BOND_ARP_ALL_TARGETS] = { .type = NLA_U32 },
103 [IFLA_BOND_PRIMARY] = { .type = NLA_U32 },
104 [IFLA_BOND_PRIMARY_RESELECT] = { .type = NLA_U8 },
105 [IFLA_BOND_FAIL_OVER_MAC] = { .type = NLA_U8 },
106 [IFLA_BOND_XMIT_HASH_POLICY] = { .type = NLA_U8 },
107 [IFLA_BOND_RESEND_IGMP] = { .type = NLA_U32 },
108 [IFLA_BOND_NUM_PEER_NOTIF] = { .type = NLA_U8 },
109 [IFLA_BOND_ALL_SLAVES_ACTIVE] = { .type = NLA_U8 },
110 [IFLA_BOND_MIN_LINKS] = { .type = NLA_U32 },
111 [IFLA_BOND_LP_INTERVAL] = { .type = NLA_U32 },
112 [IFLA_BOND_PACKETS_PER_SLAVE] = { .type = NLA_U32 },
113 [IFLA_BOND_AD_LACP_RATE] = { .type = NLA_U8 },
114 [IFLA_BOND_AD_SELECT] = { .type = NLA_U8 },
115 [IFLA_BOND_AD_INFO] = { .type = NLA_NESTED },
118 static const NLType rtnl_link_info_data_iptun_types[IFLA_IPTUN_MAX + 1] = {
119 [IFLA_IPTUN_LINK] = { .type = NLA_U32 },
120 [IFLA_IPTUN_LOCAL] = { .type = NLA_IN_ADDR },
121 [IFLA_IPTUN_REMOTE] = { .type = NLA_IN_ADDR },
122 [IFLA_IPTUN_TTL] = { .type = NLA_U8 },
123 [IFLA_IPTUN_TOS] = { .type = NLA_U8 },
124 [IFLA_IPTUN_PMTUDISC] = { .type = NLA_U8 },
125 [IFLA_IPTUN_FLAGS] = { .type = NLA_U16 },
126 [IFLA_IPTUN_PROTO] = { .type = NLA_U8 },
127 [IFLA_IPTUN_6RD_PREFIX] = { .type = NLA_IN_ADDR },
128 [IFLA_IPTUN_6RD_RELAY_PREFIX] = { .type = NLA_U32 },
129 [IFLA_IPTUN_6RD_PREFIXLEN] = { .type = NLA_U16 },
130 [IFLA_IPTUN_6RD_RELAY_PREFIXLEN] = { .type = NLA_U16 },
133 static const NLType rtnl_link_info_data_ipgre_types[IFLA_GRE_MAX + 1] = {
134 [IFLA_GRE_LINK] = { .type = NLA_U32 },
135 [IFLA_GRE_IFLAGS] = { .type = NLA_U16 },
136 [IFLA_GRE_OFLAGS] = { .type = NLA_U16 },
137 [IFLA_GRE_IKEY] = { .type = NLA_U32 },
138 [IFLA_GRE_OKEY] = { .type = NLA_U32 },
139 [IFLA_GRE_LOCAL] = { .type = NLA_IN_ADDR },
140 [IFLA_GRE_REMOTE] = { .type = NLA_IN_ADDR },
141 [IFLA_GRE_TTL] = { .type = NLA_U8 },
142 [IFLA_GRE_TOS] = { .type = NLA_U8 },
143 [IFLA_GRE_PMTUDISC] = { .type = NLA_U8 },
146 static const NLType rtnl_link_info_data_ipvti_types[IFLA_VTI_MAX + 1] = {
147 [IFLA_VTI_LINK] = { .type = NLA_U32 },
148 [IFLA_VTI_IKEY] = { .type = NLA_U32 },
149 [IFLA_VTI_OKEY] = { .type = NLA_U32 },
150 [IFLA_VTI_LOCAL] = { .type = NLA_IN_ADDR },
151 [IFLA_VTI_REMOTE] = { .type = NLA_IN_ADDR },
154 static const NLType rtnl_link_info_data_ip6tnl_types[IFLA_IPTUN_MAX + 1] = {
155 [IFLA_IPTUN_LINK] = { .type = NLA_U32 },
156 [IFLA_IPTUN_LOCAL] = { .type = NLA_IN_ADDR },
157 [IFLA_IPTUN_REMOTE] = { .type = NLA_IN_ADDR },
158 [IFLA_IPTUN_TTL] = { .type = NLA_U8 },
159 [IFLA_IPTUN_FLAGS] = { .type = NLA_U32 },
160 [IFLA_IPTUN_PROTO] = { .type = NLA_U8 },
161 [IFLA_IPTUN_ENCAP_LIMIT] = { .type = NLA_U8 },
162 [IFLA_IPTUN_FLOWINFO] = { .type = NLA_U32},
165 /* these strings must match the .kind entries in the kernel */
166 static const char* const nl_union_link_info_data_table[_NL_UNION_LINK_INFO_DATA_MAX] = {
167 [NL_UNION_LINK_INFO_DATA_BOND] = "bond",
168 [NL_UNION_LINK_INFO_DATA_BRIDGE] = "bridge",
169 [NL_UNION_LINK_INFO_DATA_VLAN] = "vlan",
170 [NL_UNION_LINK_INFO_DATA_VETH] = "veth",
171 [NL_UNION_LINK_INFO_DATA_DUMMY] = "dummy",
172 [NL_UNION_LINK_INFO_DATA_MACVLAN] = "macvlan",
173 [NL_UNION_LINK_INFO_DATA_IPVLAN] = "ipvlan",
174 [NL_UNION_LINK_INFO_DATA_VXLAN] = "vxlan",
175 [NL_UNION_LINK_INFO_DATA_IPIP_TUNNEL] = "ipip",
176 [NL_UNION_LINK_INFO_DATA_IPGRE_TUNNEL] = "gre",
177 [NL_UNION_LINK_INFO_DATA_IPGRETAP_TUNNEL] = "gretap",
178 [NL_UNION_LINK_INFO_DATA_IP6GRE_TUNNEL] = "ip6gre",
179 [NL_UNION_LINK_INFO_DATA_IP6GRETAP_TUNNEL] = "ip6gretap",
180 [NL_UNION_LINK_INFO_DATA_SIT_TUNNEL] = "sit",
181 [NL_UNION_LINK_INFO_DATA_VTI_TUNNEL] = "vti",
182 [NL_UNION_LINK_INFO_DATA_IP6TNL_TUNNEL] = "ip6tnl",
185 DEFINE_STRING_TABLE_LOOKUP(nl_union_link_info_data, NLUnionLinkInfoData);
187 static const NLTypeSystem rtnl_link_info_data_type_systems[_NL_UNION_LINK_INFO_DATA_MAX] = {
188 [NL_UNION_LINK_INFO_DATA_BOND] = { .max = ELEMENTSOF(rtnl_link_info_data_bond_types) - 1,
189 .types = rtnl_link_info_data_bond_types },
190 [NL_UNION_LINK_INFO_DATA_BRIDGE] = { .max = ELEMENTSOF(rtnl_link_info_data_bridge_types) - 1,
191 .types = rtnl_link_info_data_bridge_types },
192 [NL_UNION_LINK_INFO_DATA_VLAN] = { .max = ELEMENTSOF(rtnl_link_info_data_vlan_types) - 1,
193 .types = rtnl_link_info_data_vlan_types },
194 [NL_UNION_LINK_INFO_DATA_VETH] = { .max = ELEMENTSOF(rtnl_link_info_data_veth_types) - 1,
195 .types = rtnl_link_info_data_veth_types },
196 [NL_UNION_LINK_INFO_DATA_MACVLAN] = { .max = ELEMENTSOF(rtnl_link_info_data_macvlan_types) - 1,
197 .types = rtnl_link_info_data_macvlan_types },
198 [NL_UNION_LINK_INFO_DATA_IPVLAN] = { .max = ELEMENTSOF(rtnl_link_info_data_ipvlan_types) - 1,
199 .types = rtnl_link_info_data_ipvlan_types },
200 [NL_UNION_LINK_INFO_DATA_VXLAN] = { .max = ELEMENTSOF(rtnl_link_info_data_vxlan_types) - 1,
201 .types = rtnl_link_info_data_vxlan_types },
202 [NL_UNION_LINK_INFO_DATA_IPIP_TUNNEL] = { .max = ELEMENTSOF(rtnl_link_info_data_iptun_types) - 1,
203 .types = rtnl_link_info_data_iptun_types },
204 [NL_UNION_LINK_INFO_DATA_IPGRE_TUNNEL] = { .max = ELEMENTSOF(rtnl_link_info_data_ipgre_types) - 1,
205 .types = rtnl_link_info_data_ipgre_types },
206 [NL_UNION_LINK_INFO_DATA_IPGRETAP_TUNNEL] = { .max = ELEMENTSOF(rtnl_link_info_data_ipgre_types) - 1,
207 .types = rtnl_link_info_data_ipgre_types },
208 [NL_UNION_LINK_INFO_DATA_IP6GRE_TUNNEL] = { .max = ELEMENTSOF(rtnl_link_info_data_ipgre_types) - 1,
209 .types = rtnl_link_info_data_ipgre_types },
210 [NL_UNION_LINK_INFO_DATA_IP6GRETAP_TUNNEL] = { .max = ELEMENTSOF(rtnl_link_info_data_ipgre_types) - 1,
211 .types = rtnl_link_info_data_ipgre_types },
212 [NL_UNION_LINK_INFO_DATA_SIT_TUNNEL] = { .max = ELEMENTSOF(rtnl_link_info_data_iptun_types) - 1,
213 .types = rtnl_link_info_data_iptun_types },
214 [NL_UNION_LINK_INFO_DATA_VTI_TUNNEL] = { .max = ELEMENTSOF(rtnl_link_info_data_ipvti_types) - 1,
215 .types = rtnl_link_info_data_ipvti_types },
216 [NL_UNION_LINK_INFO_DATA_IP6TNL_TUNNEL] = { .max = ELEMENTSOF(rtnl_link_info_data_ip6tnl_types) - 1,
217 .types = rtnl_link_info_data_ip6tnl_types },
221 static const NLTypeSystemUnion rtnl_link_info_data_type_system_union = {
222 .num = _NL_UNION_LINK_INFO_DATA_MAX,
223 .lookup = nl_union_link_info_data_from_string,
224 .type_systems = rtnl_link_info_data_type_systems,
225 .match_type = NL_MATCH_SIBLING,
226 .match = IFLA_INFO_KIND,
229 static const NLType rtnl_link_info_types[IFLA_INFO_MAX + 1] = {
230 [IFLA_INFO_KIND] = { .type = NLA_STRING },
231 [IFLA_INFO_DATA] = { .type = NLA_UNION, .type_system_union = &rtnl_link_info_data_type_system_union},
234 [IFLA_INFO_SLAVE_KIND] = { .type = NLA_STRING },
235 [IFLA_INFO_SLAVE_DATA] = { .type = NLA_NESTED },
239 static const NLTypeSystem rtnl_link_info_type_system = {
240 .max = ELEMENTSOF(rtnl_link_info_types) - 1,
241 .types = rtnl_link_info_types,
244 static const struct NLType rtnl_prot_info_bridge_port_types[IFLA_BRPORT_MAX + 1] = {
245 [IFLA_BRPORT_STATE] = { .type = NLA_U8 },
246 [IFLA_BRPORT_COST] = { .type = NLA_U32 },
247 [IFLA_BRPORT_PRIORITY] = { .type = NLA_U16 },
248 [IFLA_BRPORT_MODE] = { .type = NLA_U8 },
249 [IFLA_BRPORT_GUARD] = { .type = NLA_U8 },
250 [IFLA_BRPORT_PROTECT] = { .type = NLA_U8 },
251 [IFLA_BRPORT_LEARNING] = { .type = NLA_U8 },
252 [IFLA_BRPORT_UNICAST_FLOOD] = { .type = NLA_U8 },
255 static const NLTypeSystem rtnl_prot_info_type_systems[AF_MAX] = {
256 [AF_BRIDGE] = { .max = ELEMENTSOF(rtnl_prot_info_bridge_port_types) - 1,
257 .types = rtnl_prot_info_bridge_port_types },
260 static const NLTypeSystemUnion rtnl_prot_info_type_system_union = {
262 .type_systems = rtnl_prot_info_type_systems,
263 .match_type = NL_MATCH_PROTOCOL,
266 static const struct NLType rtnl_af_spec_inet6_types[IFLA_INET6_MAX + 1] = {
267 [IFLA_INET6_FLAGS] = { .type = NLA_U32 },
272 IFLA_INET6_CACHEINFO,
273 IFLA_INET6_ICMP6STATS,
275 [IFLA_INET6_TOKEN] = { .type = NLA_IN_ADDR },
276 [IFLA_INET6_ADDR_GEN_MODE] = { .type = NLA_U8 },
279 static const NLTypeSystem rtnl_af_spec_inet6_type_system = {
280 .max = ELEMENTSOF(rtnl_af_spec_inet6_types) - 1,
281 .types = rtnl_af_spec_inet6_types,
284 static const NLType rtnl_af_spec_types[AF_MAX + 1] = {
285 [AF_INET6] = { .type = NLA_NESTED, .type_system = &rtnl_af_spec_inet6_type_system },
288 static const NLTypeSystem rtnl_af_spec_type_system = {
289 .max = ELEMENTSOF(rtnl_af_spec_types) - 1,
290 .types = rtnl_af_spec_types,
293 static const NLType rtnl_link_types[IFLA_MAX + 1 ] = {
294 [IFLA_ADDRESS] = { .type = NLA_ETHER_ADDR, },
295 [IFLA_BROADCAST] = { .type = NLA_ETHER_ADDR, },
296 [IFLA_IFNAME] = { .type = NLA_STRING, .size = IFNAMSIZ - 1, },
297 [IFLA_MTU] = { .type = NLA_U32 },
298 [IFLA_LINK] = { .type = NLA_U32 },
305 [IFLA_MASTER] = { .type = NLA_U32 },
309 [IFLA_PROTINFO] = { .type = NLA_UNION, .type_system_union = &rtnl_prot_info_type_system_union },
310 [IFLA_TXQLEN] = { .type = NLA_U32 },
312 [IFLA_MAP] = { .len = sizeof(struct rtnl_link_ifmap) },
314 [IFLA_WEIGHT] = { .type = NLA_U32 },
315 [IFLA_OPERSTATE] = { .type = NLA_U8 },
316 [IFLA_LINKMODE] = { .type = NLA_U8 },
317 [IFLA_LINKINFO] = { .type = NLA_NESTED, .type_system = &rtnl_link_info_type_system },
318 [IFLA_NET_NS_PID] = { .type = NLA_U32 },
319 [IFLA_IFALIAS] = { .type = NLA_STRING, .size = IFALIASZ - 1 },
322 [IFLA_VFINFO_LIST] = {. type = NLA_NESTED, },
324 [IFLA_VF_PORTS] = { .type = NLA_NESTED },
325 [IFLA_PORT_SELF] = { .type = NLA_NESTED },
327 [IFLA_AF_SPEC] = { .type = NLA_NESTED, .type_system = &rtnl_af_spec_type_system },
333 [IFLA_GROUP] = { .type = NLA_U32 },
334 [IFLA_NET_NS_FD] = { .type = NLA_U32 },
335 [IFLA_EXT_MASK] = { .type = NLA_U32 },
336 [IFLA_PROMISCUITY] = { .type = NLA_U32 },
337 [IFLA_NUM_TX_QUEUES] = { .type = NLA_U32 },
338 [IFLA_NUM_RX_QUEUES] = { .type = NLA_U32 },
339 [IFLA_CARRIER] = { .type = NLA_U8 },
341 [IFLA_PHYS_PORT_ID] = { .type = NLA_BINARY, .len = MAX_PHYS_PORT_ID_LEN },
345 static const NLTypeSystem rtnl_link_type_system = {
346 .max = ELEMENTSOF(rtnl_link_types) - 1,
347 .types = rtnl_link_types,
350 static const NLType rtnl_address_types[IFA_MAX + 1] = {
351 [IFA_ADDRESS] = { .type = NLA_IN_ADDR },
352 [IFA_LOCAL] = { .type = NLA_IN_ADDR },
353 [IFA_LABEL] = { .type = NLA_STRING, .size = IFNAMSIZ - 1 },
354 [IFA_BROADCAST] = { .type = NLA_IN_ADDR }, /* 6? */
355 [IFA_CACHEINFO] = { .type = NLA_CACHE_INFO, .size = sizeof(struct ifa_cacheinfo) },
361 [IFA_FLAGS] = { .type = NLA_U32 },
365 static const NLTypeSystem rtnl_address_type_system = {
366 .max = ELEMENTSOF(rtnl_address_types) - 1,
367 .types = rtnl_address_types,
370 static const NLType rtnl_route_types[RTA_MAX + 1] = {
371 [RTA_DST] = { .type = NLA_IN_ADDR }, /* 6? */
372 [RTA_SRC] = { .type = NLA_IN_ADDR }, /* 6? */
373 [RTA_IIF] = { .type = NLA_U32 },
374 [RTA_OIF] = { .type = NLA_U32 },
375 [RTA_GATEWAY] = { .type = NLA_IN_ADDR },
376 [RTA_PRIORITY] = { .type = NLA_U32 },
377 [RTA_PREFSRC] = { .type = NLA_IN_ADDR }, /* 6? */
379 [RTA_METRICS] = { .type = NLA_NESTED },
380 [RTA_MULTIPATH] = { .len = sizeof(struct rtnexthop) },
382 [RTA_FLOW] = { .type = NLA_U32 }, /* 6? */
391 static const NLTypeSystem rtnl_route_type_system = {
392 .max = ELEMENTSOF(rtnl_route_types) - 1,
393 .types = rtnl_route_types,
396 static const NLType rtnl_neigh_types[NDA_MAX + 1] = {
397 [NDA_DST] = { .type = NLA_IN_ADDR },
398 [NDA_LLADDR] = { .type = NLA_ETHER_ADDR },
399 [NDA_CACHEINFO] = { .type = NLA_CACHE_INFO, .size = sizeof(struct nda_cacheinfo) },
400 [NDA_PROBES] = { .type = NLA_U32 },
401 [NDA_VLAN] = { .type = NLA_U16 },
402 [NDA_PORT] = { .type = NLA_U16 },
403 [NDA_VNI] = { .type = NLA_U32 },
404 [NDA_IFINDEX] = { .type = NLA_U32 },
407 static const NLTypeSystem rtnl_neigh_type_system = {
408 .max = ELEMENTSOF(rtnl_neigh_types) - 1,
409 .types = rtnl_neigh_types,
412 static const NLType rtnl_types[RTM_MAX + 1] = {
413 [NLMSG_ERROR] = { .type = NLA_META, .size = sizeof(struct nlmsgerr) },
414 [RTM_NEWLINK] = { .type = NLA_NESTED, .type_system = &rtnl_link_type_system, .size = sizeof(struct ifinfomsg) },
415 [RTM_DELLINK] = { .type = NLA_NESTED, .type_system = &rtnl_link_type_system, .size = sizeof(struct ifinfomsg) },
416 [RTM_GETLINK] = { .type = NLA_NESTED, .type_system = &rtnl_link_type_system, .size = sizeof(struct ifinfomsg) },
417 [RTM_SETLINK] = { .type = NLA_NESTED, .type_system = &rtnl_link_type_system, .size = sizeof(struct ifinfomsg) },
418 [RTM_NEWADDR] = { .type = NLA_NESTED, .type_system = &rtnl_address_type_system, .size = sizeof(struct ifaddrmsg) },
419 [RTM_DELADDR] = { .type = NLA_NESTED, .type_system = &rtnl_address_type_system, .size = sizeof(struct ifaddrmsg) },
420 [RTM_GETADDR] = { .type = NLA_NESTED, .type_system = &rtnl_address_type_system, .size = sizeof(struct ifaddrmsg) },
421 [RTM_NEWROUTE] = { .type = NLA_NESTED, .type_system = &rtnl_route_type_system, .size = sizeof(struct rtmsg) },
422 [RTM_DELROUTE] = { .type = NLA_NESTED, .type_system = &rtnl_route_type_system, .size = sizeof(struct rtmsg) },
423 [RTM_GETROUTE] = { .type = NLA_NESTED, .type_system = &rtnl_route_type_system, .size = sizeof(struct rtmsg) },
424 [RTM_NEWNEIGH] = { .type = NLA_NESTED, .type_system = &rtnl_neigh_type_system, .size = sizeof(struct ndmsg) },
425 [RTM_DELNEIGH] = { .type = NLA_NESTED, .type_system = &rtnl_neigh_type_system, .size = sizeof(struct ndmsg) },
426 [RTM_GETNEIGH] = { .type = NLA_NESTED, .type_system = &rtnl_neigh_type_system, .size = sizeof(struct ndmsg) },
429 const NLTypeSystem rtnl_type_system = {
430 .max = ELEMENTSOF(rtnl_types) - 1,
434 int type_system_get_type(const NLTypeSystem *type_system, const NLType **ret, uint16_t type) {
435 const NLType *nl_type;
440 type_system = &rtnl_type_system;
442 assert(type_system->types);
444 if (type > type_system->max)
447 nl_type = &type_system->types[type];
449 if (nl_type->type == NLA_UNSPEC)
457 int type_system_get_type_system(const NLTypeSystem *type_system, const NLTypeSystem **ret, uint16_t type) {
458 const NLType *nl_type;
463 r = type_system_get_type(type_system, &nl_type, type);
467 assert_return(nl_type->type == NLA_NESTED, -EINVAL);
469 assert(nl_type->type_system);
471 *ret = nl_type->type_system;
476 int type_system_get_type_system_union(const NLTypeSystem *type_system, const NLTypeSystemUnion **ret, uint16_t type) {
477 const NLType *nl_type;
482 r = type_system_get_type(type_system, &nl_type, type);
486 assert_return(nl_type->type == NLA_UNION, -EINVAL);
488 assert(nl_type->type_system_union);
490 *ret = nl_type->type_system_union;
495 int type_system_union_get_type_system(const NLTypeSystemUnion *type_system_union, const NLTypeSystem **ret, const char *key) {
498 assert(type_system_union);
499 assert_return(type_system_union->match_type == NL_MATCH_SIBLING, -EINVAL);
500 assert(type_system_union->lookup);
501 assert(type_system_union->type_systems);
505 type = type_system_union->lookup(key);
509 assert(type < type_system_union->num);
511 *ret = &type_system_union->type_systems[type];
516 int type_system_union_protocol_get_type_system(const NLTypeSystemUnion *type_system_union, const NLTypeSystem **ret, uint16_t protocol) {
517 const NLTypeSystem *type_system;
519 assert(type_system_union);
520 assert(type_system_union->type_systems);
522 assert_return(type_system_union->match_type == NL_MATCH_PROTOCOL, -EINVAL);
523 assert_return(protocol < type_system_union->num, -EINVAL);
525 if (protocol >= type_system_union->num)
528 type_system = &type_system_union->type_systems[protocol];