]> git.ipfire.org Git - thirdparty/systemd.git/blob - src/libsystemd/sd-netlink/netlink-types.c
Merge pull request #13119 from keszybz/unit-loading-2
[thirdparty/systemd.git] / src / libsystemd / sd-netlink / netlink-types.c
1 /* SPDX-License-Identifier: LGPL-2.1+ */
2
3 #include <netinet/in.h>
4 #include <stdint.h>
5 #include <sys/socket.h>
6 #include <linux/can/vxcan.h>
7 #include <linux/netlink.h>
8 #include <linux/rtnetlink.h>
9 #include <linux/genetlink.h>
10 #include <linux/ip.h>
11 #include <linux/if.h>
12 #include <linux/can/netlink.h>
13 #include <linux/fib_rules.h>
14 #include <linux/fou.h>
15 #include <linux/if_addr.h>
16 #include <linux/if_addrlabel.h>
17 #include <linux/if_bridge.h>
18 #include <linux/if_link.h>
19 #include <linux/if_macsec.h>
20 #include <linux/if_tunnel.h>
21 #include <linux/l2tp.h>
22 #include <linux/veth.h>
23 #include <linux/wireguard.h>
24
25 #include "macro.h"
26 #include "missing.h"
27 #include "netlink-types.h"
28 #include "sd-netlink.h"
29 #include "string-table.h"
30 #include "util.h"
31
32 /* Maximum ARP IP target defined in kernel */
33 #define BOND_MAX_ARP_TARGETS 16
34
35 typedef enum {
36 BOND_ARP_TARGETS_0,
37 BOND_ARP_TARGETS_1,
38 BOND_ARP_TARGETS_2,
39 BOND_ARP_TARGETS_3,
40 BOND_ARP_TARGETS_4,
41 BOND_ARP_TARGETS_5,
42 BOND_ARP_TARGETS_6,
43 BOND_ARP_TARGETS_7,
44 BOND_ARP_TARGETS_8,
45 BOND_ARP_TARGETS_9,
46 BOND_ARP_TARGETS_10,
47 BOND_ARP_TARGETS_11,
48 BOND_ARP_TARGETS_12,
49 BOND_ARP_TARGETS_13,
50 BOND_ARP_TARGETS_14,
51 BOND_ARP_TARGETS_MAX = BOND_MAX_ARP_TARGETS,
52 } BondArpTargets;
53
54 struct NLType {
55 uint16_t type;
56 size_t size;
57 const NLTypeSystem *type_system;
58 const NLTypeSystemUnion *type_system_union;
59 };
60
61 struct NLTypeSystem {
62 uint16_t count;
63 const NLType *types;
64 };
65
66 static const NLTypeSystem rtnl_link_type_system;
67
68 static const NLType empty_types[1] = {
69 /* fake array to avoid .types==NULL, which denotes invalid type-systems */
70 };
71
72 static const NLTypeSystem empty_type_system = {
73 .count = 0,
74 .types = empty_types,
75 };
76
77 static const NLType rtnl_link_info_data_veth_types[] = {
78 [VETH_INFO_PEER] = { .type = NETLINK_TYPE_NESTED, .type_system = &rtnl_link_type_system, .size = sizeof(struct ifinfomsg) },
79 };
80
81 static const NLType rtnl_link_info_data_vxcan_types[] = {
82 [VXCAN_INFO_PEER] = { .type = NETLINK_TYPE_NESTED, .type_system = &rtnl_link_type_system, .size = sizeof(struct ifinfomsg) },
83 };
84
85 static const NLType rtnl_link_info_data_ipvlan_types[] = {
86 [IFLA_IPVLAN_MODE] = { .type = NETLINK_TYPE_U16 },
87 [IFLA_IPVLAN_FLAGS] = { .type = NETLINK_TYPE_U16 },
88 };
89
90 static const NLType rtnl_link_info_data_macvlan_types[] = {
91 [IFLA_MACVLAN_MODE] = { .type = NETLINK_TYPE_U32 },
92 [IFLA_MACVLAN_FLAGS] = { .type = NETLINK_TYPE_U16 },
93 };
94
95 static const NLType rtnl_link_info_data_bridge_types[] = {
96 [IFLA_BR_FORWARD_DELAY] = { .type = NETLINK_TYPE_U32 },
97 [IFLA_BR_HELLO_TIME] = { .type = NETLINK_TYPE_U32 },
98 [IFLA_BR_MAX_AGE] = { .type = NETLINK_TYPE_U32 },
99 [IFLA_BR_AGEING_TIME] = { .type = NETLINK_TYPE_U32 },
100 [IFLA_BR_STP_STATE] = { .type = NETLINK_TYPE_U32 },
101 [IFLA_BR_PRIORITY] = { .type = NETLINK_TYPE_U16 },
102 [IFLA_BR_VLAN_FILTERING] = { .type = NETLINK_TYPE_U8 },
103 [IFLA_BR_VLAN_PROTOCOL] = { .type = NETLINK_TYPE_U16 },
104 [IFLA_BR_GROUP_FWD_MASK] = { .type = NETLINK_TYPE_U16 },
105 [IFLA_BR_ROOT_PORT] = { .type = NETLINK_TYPE_U16 },
106 [IFLA_BR_ROOT_PATH_COST] = { .type = NETLINK_TYPE_U32 },
107 [IFLA_BR_TOPOLOGY_CHANGE] = { .type = NETLINK_TYPE_U8 },
108 [IFLA_BR_TOPOLOGY_CHANGE_DETECTED] = { .type = NETLINK_TYPE_U8 },
109 [IFLA_BR_HELLO_TIMER] = { .type = NETLINK_TYPE_U16 },
110 [IFLA_BR_TCN_TIMER] = { .type = NETLINK_TYPE_U16 },
111 [IFLA_BR_TOPOLOGY_CHANGE_TIMER] = { .type = NETLINK_TYPE_U16 },
112 [IFLA_BR_GC_TIMER] = { .type = NETLINK_TYPE_U64 },
113 [IFLA_BR_GROUP_ADDR] = { .type = NETLINK_TYPE_U16 },
114 [IFLA_BR_FDB_FLUSH] = { .type = NETLINK_TYPE_U16 },
115 [IFLA_BR_MCAST_ROUTER] = { .type = NETLINK_TYPE_U8 },
116 [IFLA_BR_MCAST_SNOOPING] = { .type = NETLINK_TYPE_U8 },
117 [IFLA_BR_MCAST_QUERY_USE_IFADDR] = { .type = NETLINK_TYPE_U8 },
118 [IFLA_BR_MCAST_QUERIER] = { .type = NETLINK_TYPE_U8 },
119 [IFLA_BR_MCAST_HASH_ELASTICITY] = { .type = NETLINK_TYPE_U32 },
120 [IFLA_BR_MCAST_HASH_MAX] = { .type = NETLINK_TYPE_U16 },
121 [IFLA_BR_MCAST_LAST_MEMBER_CNT] = { .type = NETLINK_TYPE_U32 },
122 [IFLA_BR_MCAST_STARTUP_QUERY_CNT] = { .type = NETLINK_TYPE_U16 },
123 [IFLA_BR_MCAST_LAST_MEMBER_INTVL] = { .type = NETLINK_TYPE_U64 },
124 [IFLA_BR_MCAST_MEMBERSHIP_INTVL] = { .type = NETLINK_TYPE_U64 },
125 [IFLA_BR_MCAST_QUERIER_INTVL] = { .type = NETLINK_TYPE_U64 },
126 [IFLA_BR_MCAST_QUERY_INTVL] = { .type = NETLINK_TYPE_U64 },
127 [IFLA_BR_MCAST_QUERY_RESPONSE_INTVL] = { .type = NETLINK_TYPE_U64 },
128 [IFLA_BR_MCAST_STARTUP_QUERY_INTVL] = { .type = NETLINK_TYPE_U64 },
129 [IFLA_BR_NF_CALL_IPTABLES] = { .type = NETLINK_TYPE_U8 },
130 [IFLA_BR_NF_CALL_IP6TABLES] = { .type = NETLINK_TYPE_U8 },
131 [IFLA_BR_NF_CALL_ARPTABLES] = { .type = NETLINK_TYPE_U8 },
132 [IFLA_BR_VLAN_DEFAULT_PVID] = { .type = NETLINK_TYPE_U16 },
133 [IFLA_BR_MCAST_IGMP_VERSION] = { .type = NETLINK_TYPE_U8 },
134 };
135
136 static const NLType rtnl_link_info_data_vlan_types[] = {
137 [IFLA_VLAN_ID] = { .type = NETLINK_TYPE_U16 },
138 /*
139 [IFLA_VLAN_FLAGS] = { .len = sizeof(struct ifla_vlan_flags) },
140 [IFLA_VLAN_EGRESS_QOS] = { .type = NETLINK_TYPE_NESTED },
141 [IFLA_VLAN_INGRESS_QOS] = { .type = NETLINK_TYPE_NESTED },
142 */
143 [IFLA_VLAN_PROTOCOL] = { .type = NETLINK_TYPE_U16 },
144 };
145
146 static const NLType rtnl_link_info_data_vxlan_types[] = {
147 [IFLA_VXLAN_ID] = { .type = NETLINK_TYPE_U32 },
148 [IFLA_VXLAN_GROUP] = { .type = NETLINK_TYPE_IN_ADDR },
149 [IFLA_VXLAN_LINK] = { .type = NETLINK_TYPE_U32 },
150 [IFLA_VXLAN_LOCAL] = { .type = NETLINK_TYPE_IN_ADDR },
151 [IFLA_VXLAN_TTL] = { .type = NETLINK_TYPE_U8 },
152 [IFLA_VXLAN_TOS] = { .type = NETLINK_TYPE_U8 },
153 [IFLA_VXLAN_LEARNING] = { .type = NETLINK_TYPE_U8 },
154 [IFLA_VXLAN_AGEING] = { .type = NETLINK_TYPE_U32 },
155 [IFLA_VXLAN_LIMIT] = { .type = NETLINK_TYPE_U32 },
156 [IFLA_VXLAN_PORT_RANGE] = { .type = NETLINK_TYPE_U32},
157 [IFLA_VXLAN_PROXY] = { .type = NETLINK_TYPE_U8 },
158 [IFLA_VXLAN_RSC] = { .type = NETLINK_TYPE_U8 },
159 [IFLA_VXLAN_L2MISS] = { .type = NETLINK_TYPE_U8 },
160 [IFLA_VXLAN_L3MISS] = { .type = NETLINK_TYPE_U8 },
161 [IFLA_VXLAN_PORT] = { .type = NETLINK_TYPE_U16 },
162 [IFLA_VXLAN_GROUP6] = { .type = NETLINK_TYPE_IN_ADDR },
163 [IFLA_VXLAN_LOCAL6] = { .type = NETLINK_TYPE_IN_ADDR },
164 [IFLA_VXLAN_UDP_CSUM] = { .type = NETLINK_TYPE_U8 },
165 [IFLA_VXLAN_UDP_ZERO_CSUM6_TX] = { .type = NETLINK_TYPE_U8 },
166 [IFLA_VXLAN_UDP_ZERO_CSUM6_RX] = { .type = NETLINK_TYPE_U8 },
167 [IFLA_VXLAN_REMCSUM_TX] = { .type = NETLINK_TYPE_U8 },
168 [IFLA_VXLAN_REMCSUM_RX] = { .type = NETLINK_TYPE_U8 },
169 [IFLA_VXLAN_GBP] = { .type = NETLINK_TYPE_FLAG },
170 [IFLA_VXLAN_REMCSUM_NOPARTIAL] = { .type = NETLINK_TYPE_FLAG },
171 [IFLA_VXLAN_COLLECT_METADATA] = { .type = NETLINK_TYPE_U8 },
172 [IFLA_VXLAN_LABEL] = { .type = NETLINK_TYPE_U32 },
173 [IFLA_VXLAN_GPE] = { .type = NETLINK_TYPE_FLAG },
174 [IFLA_VXLAN_TTL_INHERIT] = { .type = NETLINK_TYPE_FLAG },
175 [IFLA_VXLAN_DF] = { .type = NETLINK_TYPE_U8 },
176 };
177
178 static const NLType rtnl_bond_arp_target_types[] = {
179 [BOND_ARP_TARGETS_0] = { .type = NETLINK_TYPE_U32 },
180 [BOND_ARP_TARGETS_1] = { .type = NETLINK_TYPE_U32 },
181 [BOND_ARP_TARGETS_2] = { .type = NETLINK_TYPE_U32 },
182 [BOND_ARP_TARGETS_3] = { .type = NETLINK_TYPE_U32 },
183 [BOND_ARP_TARGETS_4] = { .type = NETLINK_TYPE_U32 },
184 [BOND_ARP_TARGETS_5] = { .type = NETLINK_TYPE_U32 },
185 [BOND_ARP_TARGETS_6] = { .type = NETLINK_TYPE_U32 },
186 [BOND_ARP_TARGETS_7] = { .type = NETLINK_TYPE_U32 },
187 [BOND_ARP_TARGETS_8] = { .type = NETLINK_TYPE_U32 },
188 [BOND_ARP_TARGETS_9] = { .type = NETLINK_TYPE_U32 },
189 [BOND_ARP_TARGETS_10] = { .type = NETLINK_TYPE_U32 },
190 [BOND_ARP_TARGETS_11] = { .type = NETLINK_TYPE_U32 },
191 [BOND_ARP_TARGETS_12] = { .type = NETLINK_TYPE_U32 },
192 [BOND_ARP_TARGETS_13] = { .type = NETLINK_TYPE_U32 },
193 [BOND_ARP_TARGETS_14] = { .type = NETLINK_TYPE_U32 },
194 [BOND_ARP_TARGETS_MAX] = { .type = NETLINK_TYPE_U32 },
195 };
196
197 static const NLTypeSystem rtnl_bond_arp_type_system = {
198 .count = ELEMENTSOF(rtnl_bond_arp_target_types),
199 .types = rtnl_bond_arp_target_types,
200 };
201
202 static const NLType rtnl_link_info_data_bond_types[] = {
203 [IFLA_BOND_MODE] = { .type = NETLINK_TYPE_U8 },
204 [IFLA_BOND_ACTIVE_SLAVE] = { .type = NETLINK_TYPE_U32 },
205 [IFLA_BOND_MIIMON] = { .type = NETLINK_TYPE_U32 },
206 [IFLA_BOND_UPDELAY] = { .type = NETLINK_TYPE_U32 },
207 [IFLA_BOND_DOWNDELAY] = { .type = NETLINK_TYPE_U32 },
208 [IFLA_BOND_USE_CARRIER] = { .type = NETLINK_TYPE_U8 },
209 [IFLA_BOND_ARP_INTERVAL] = { .type = NETLINK_TYPE_U32 },
210 [IFLA_BOND_ARP_IP_TARGET] = { .type = NETLINK_TYPE_NESTED, .type_system = &rtnl_bond_arp_type_system },
211 [IFLA_BOND_ARP_VALIDATE] = { .type = NETLINK_TYPE_U32 },
212 [IFLA_BOND_ARP_ALL_TARGETS] = { .type = NETLINK_TYPE_U32 },
213 [IFLA_BOND_PRIMARY] = { .type = NETLINK_TYPE_U32 },
214 [IFLA_BOND_PRIMARY_RESELECT] = { .type = NETLINK_TYPE_U8 },
215 [IFLA_BOND_FAIL_OVER_MAC] = { .type = NETLINK_TYPE_U8 },
216 [IFLA_BOND_XMIT_HASH_POLICY] = { .type = NETLINK_TYPE_U8 },
217 [IFLA_BOND_RESEND_IGMP] = { .type = NETLINK_TYPE_U32 },
218 [IFLA_BOND_NUM_PEER_NOTIF] = { .type = NETLINK_TYPE_U8 },
219 [IFLA_BOND_ALL_SLAVES_ACTIVE] = { .type = NETLINK_TYPE_U8 },
220 [IFLA_BOND_MIN_LINKS] = { .type = NETLINK_TYPE_U32 },
221 [IFLA_BOND_LP_INTERVAL] = { .type = NETLINK_TYPE_U32 },
222 [IFLA_BOND_PACKETS_PER_SLAVE] = { .type = NETLINK_TYPE_U32 },
223 [IFLA_BOND_AD_LACP_RATE] = { .type = NETLINK_TYPE_U8 },
224 [IFLA_BOND_AD_SELECT] = { .type = NETLINK_TYPE_U8 },
225 [IFLA_BOND_AD_INFO] = { .type = NETLINK_TYPE_NESTED },
226 [IFLA_BOND_AD_ACTOR_SYS_PRIO] = { .type = NETLINK_TYPE_U16 },
227 [IFLA_BOND_AD_USER_PORT_KEY] = { .type = NETLINK_TYPE_U16 },
228 [IFLA_BOND_AD_ACTOR_SYSTEM] = { .type = NETLINK_TYPE_ETHER_ADDR },
229 [IFLA_BOND_TLB_DYNAMIC_LB] = { .type = NETLINK_TYPE_U8 },
230 };
231
232 static const NLType rtnl_link_info_data_iptun_types[] = {
233 [IFLA_IPTUN_LINK] = { .type = NETLINK_TYPE_U32 },
234 [IFLA_IPTUN_LOCAL] = { .type = NETLINK_TYPE_IN_ADDR },
235 [IFLA_IPTUN_REMOTE] = { .type = NETLINK_TYPE_IN_ADDR },
236 [IFLA_IPTUN_TTL] = { .type = NETLINK_TYPE_U8 },
237 [IFLA_IPTUN_TOS] = { .type = NETLINK_TYPE_U8 },
238 [IFLA_IPTUN_PMTUDISC] = { .type = NETLINK_TYPE_U8 },
239 [IFLA_IPTUN_FLAGS] = { .type = NETLINK_TYPE_U16 },
240 [IFLA_IPTUN_PROTO] = { .type = NETLINK_TYPE_U8 },
241 [IFLA_IPTUN_6RD_PREFIX] = { .type = NETLINK_TYPE_IN_ADDR },
242 [IFLA_IPTUN_6RD_RELAY_PREFIX] = { .type = NETLINK_TYPE_U32 },
243 [IFLA_IPTUN_6RD_PREFIXLEN] = { .type = NETLINK_TYPE_U16 },
244 [IFLA_IPTUN_6RD_RELAY_PREFIXLEN] = { .type = NETLINK_TYPE_U16 },
245 [IFLA_IPTUN_ENCAP_TYPE] = { .type = NETLINK_TYPE_U16 },
246 [IFLA_IPTUN_ENCAP_FLAGS] = { .type = NETLINK_TYPE_U16 },
247 [IFLA_IPTUN_ENCAP_SPORT] = { .type = NETLINK_TYPE_U16 },
248 [IFLA_IPTUN_ENCAP_DPORT] = { .type = NETLINK_TYPE_U16 },
249 };
250
251 static const NLType rtnl_link_info_data_ipgre_types[] = {
252 [IFLA_GRE_LINK] = { .type = NETLINK_TYPE_U32 },
253 [IFLA_GRE_IFLAGS] = { .type = NETLINK_TYPE_U16 },
254 [IFLA_GRE_OFLAGS] = { .type = NETLINK_TYPE_U16 },
255 [IFLA_GRE_IKEY] = { .type = NETLINK_TYPE_U32 },
256 [IFLA_GRE_OKEY] = { .type = NETLINK_TYPE_U32 },
257 [IFLA_GRE_LOCAL] = { .type = NETLINK_TYPE_IN_ADDR },
258 [IFLA_GRE_REMOTE] = { .type = NETLINK_TYPE_IN_ADDR },
259 [IFLA_GRE_TTL] = { .type = NETLINK_TYPE_U8 },
260 [IFLA_GRE_TOS] = { .type = NETLINK_TYPE_U8 },
261 [IFLA_GRE_PMTUDISC] = { .type = NETLINK_TYPE_U8 },
262 [IFLA_GRE_FLOWINFO] = { .type = NETLINK_TYPE_U32 },
263 [IFLA_GRE_FLAGS] = { .type = NETLINK_TYPE_U32 },
264 [IFLA_GRE_ENCAP_TYPE] = { .type = NETLINK_TYPE_U16 },
265 [IFLA_GRE_ENCAP_FLAGS] = { .type = NETLINK_TYPE_U16 },
266 [IFLA_GRE_ENCAP_SPORT] = { .type = NETLINK_TYPE_U16 },
267 [IFLA_GRE_ENCAP_DPORT] = { .type = NETLINK_TYPE_U16 },
268 [IFLA_GRE_ERSPAN_INDEX] = { .type = NETLINK_TYPE_U32 },
269 };
270
271 static const NLType rtnl_link_info_data_ipvti_types[] = {
272 [IFLA_VTI_LINK] = { .type = NETLINK_TYPE_U32 },
273 [IFLA_VTI_IKEY] = { .type = NETLINK_TYPE_U32 },
274 [IFLA_VTI_OKEY] = { .type = NETLINK_TYPE_U32 },
275 [IFLA_VTI_LOCAL] = { .type = NETLINK_TYPE_IN_ADDR },
276 [IFLA_VTI_REMOTE] = { .type = NETLINK_TYPE_IN_ADDR },
277 };
278
279 static const NLType rtnl_link_info_data_ip6tnl_types[] = {
280 [IFLA_IPTUN_LINK] = { .type = NETLINK_TYPE_U32 },
281 [IFLA_IPTUN_LOCAL] = { .type = NETLINK_TYPE_IN_ADDR },
282 [IFLA_IPTUN_REMOTE] = { .type = NETLINK_TYPE_IN_ADDR },
283 [IFLA_IPTUN_TTL] = { .type = NETLINK_TYPE_U8 },
284 [IFLA_IPTUN_FLAGS] = { .type = NETLINK_TYPE_U32 },
285 [IFLA_IPTUN_PROTO] = { .type = NETLINK_TYPE_U8 },
286 [IFLA_IPTUN_ENCAP_LIMIT] = { .type = NETLINK_TYPE_U8 },
287 [IFLA_IPTUN_FLOWINFO] = { .type = NETLINK_TYPE_U32 },
288 };
289
290 static const NLType rtnl_link_info_data_vrf_types[] = {
291 [IFLA_VRF_TABLE] = { .type = NETLINK_TYPE_U32 },
292 };
293
294 static const NLType rtnl_link_info_data_geneve_types[] = {
295 [IFLA_GENEVE_ID] = { .type = NETLINK_TYPE_U32 },
296 [IFLA_GENEVE_TTL] = { .type = NETLINK_TYPE_U8 },
297 [IFLA_GENEVE_TOS] = { .type = NETLINK_TYPE_U8 },
298 [IFLA_GENEVE_PORT] = { .type = NETLINK_TYPE_U16 },
299 [IFLA_GENEVE_REMOTE] = { .type = NETLINK_TYPE_IN_ADDR },
300 [IFLA_GENEVE_REMOTE6] = { .type = NETLINK_TYPE_IN_ADDR },
301 [IFLA_GENEVE_UDP_CSUM] = { .type = NETLINK_TYPE_U8 },
302 [IFLA_GENEVE_UDP_ZERO_CSUM6_TX] = { .type = NETLINK_TYPE_U8 },
303 [IFLA_GENEVE_UDP_ZERO_CSUM6_RX] = { .type = NETLINK_TYPE_U8 },
304 [IFLA_GENEVE_LABEL] = { .type = NETLINK_TYPE_U32 },
305 [IFLA_GENEVE_TTL_INHERIT] = { .type = NETLINK_TYPE_U8 },
306 [IFLA_GENEVE_DF] = { .type = NETLINK_TYPE_U8 },
307 };
308
309 static const NLType rtnl_link_info_data_can_types[] = {
310 [IFLA_CAN_BITTIMING] = { .size = sizeof(struct can_bittiming) },
311 [IFLA_CAN_RESTART_MS] = { .type = NETLINK_TYPE_U32 },
312 [IFLA_CAN_CTRLMODE] = { .size = sizeof(struct can_ctrlmode) },
313 };
314
315 static const NLType rtnl_link_info_data_macsec_types[] = {
316 [IFLA_MACSEC_SCI] = { .type = NETLINK_TYPE_U64 },
317 [IFLA_MACSEC_PORT] = { .type = NETLINK_TYPE_U16 },
318 [IFLA_MACSEC_ICV_LEN] = { .type = NETLINK_TYPE_U8 },
319 [IFLA_MACSEC_CIPHER_SUITE] = { .type = NETLINK_TYPE_U64 },
320 [IFLA_MACSEC_WINDOW] = { .type = NETLINK_TYPE_U32 },
321 [IFLA_MACSEC_ENCODING_SA] = { .type = NETLINK_TYPE_U8 },
322 [IFLA_MACSEC_ENCRYPT] = { .type = NETLINK_TYPE_U8 },
323 [IFLA_MACSEC_PROTECT] = { .type = NETLINK_TYPE_U8 },
324 [IFLA_MACSEC_INC_SCI] = { .type = NETLINK_TYPE_U8 },
325 [IFLA_MACSEC_ES] = { .type = NETLINK_TYPE_U8 },
326 [IFLA_MACSEC_SCB] = { .type = NETLINK_TYPE_U8 },
327 [IFLA_MACSEC_REPLAY_PROTECT] = { .type = NETLINK_TYPE_U8 },
328 [IFLA_MACSEC_VALIDATION] = { .type = NETLINK_TYPE_U8 },
329 };
330
331 static const NLType rtnl_link_info_data_xfrm_types[] = {
332 [IFLA_XFRM_LINK] = { .type = NETLINK_TYPE_U32 },
333 [IFLA_XFRM_IF_ID] = { .type = NETLINK_TYPE_U32 }
334 };
335
336 /* these strings must match the .kind entries in the kernel */
337 static const char* const nl_union_link_info_data_table[] = {
338 [NL_UNION_LINK_INFO_DATA_BOND] = "bond",
339 [NL_UNION_LINK_INFO_DATA_BRIDGE] = "bridge",
340 [NL_UNION_LINK_INFO_DATA_VLAN] = "vlan",
341 [NL_UNION_LINK_INFO_DATA_VETH] = "veth",
342 [NL_UNION_LINK_INFO_DATA_DUMMY] = "dummy",
343 [NL_UNION_LINK_INFO_DATA_MACVLAN] = "macvlan",
344 [NL_UNION_LINK_INFO_DATA_MACVTAP] = "macvtap",
345 [NL_UNION_LINK_INFO_DATA_IPVLAN] = "ipvlan",
346 [NL_UNION_LINK_INFO_DATA_IPVTAP] = "ipvtap",
347 [NL_UNION_LINK_INFO_DATA_VXLAN] = "vxlan",
348 [NL_UNION_LINK_INFO_DATA_IPIP_TUNNEL] = "ipip",
349 [NL_UNION_LINK_INFO_DATA_IPGRE_TUNNEL] = "gre",
350 [NL_UNION_LINK_INFO_DATA_ERSPAN] = "erspan",
351 [NL_UNION_LINK_INFO_DATA_IPGRETAP_TUNNEL] = "gretap",
352 [NL_UNION_LINK_INFO_DATA_IP6GRE_TUNNEL] = "ip6gre",
353 [NL_UNION_LINK_INFO_DATA_IP6GRETAP_TUNNEL] = "ip6gretap",
354 [NL_UNION_LINK_INFO_DATA_SIT_TUNNEL] = "sit",
355 [NL_UNION_LINK_INFO_DATA_VTI_TUNNEL] = "vti",
356 [NL_UNION_LINK_INFO_DATA_VTI6_TUNNEL] = "vti6",
357 [NL_UNION_LINK_INFO_DATA_IP6TNL_TUNNEL] = "ip6tnl",
358 [NL_UNION_LINK_INFO_DATA_VRF] = "vrf",
359 [NL_UNION_LINK_INFO_DATA_VCAN] = "vcan",
360 [NL_UNION_LINK_INFO_DATA_GENEVE] = "geneve",
361 [NL_UNION_LINK_INFO_DATA_VXCAN] = "vxcan",
362 [NL_UNION_LINK_INFO_DATA_WIREGUARD] = "wireguard",
363 [NL_UNION_LINK_INFO_DATA_NETDEVSIM] = "netdevsim",
364 [NL_UNION_LINK_INFO_DATA_CAN] = "can",
365 [NL_UNION_LINK_INFO_DATA_MACSEC] = "macsec",
366 [NL_UNION_LINK_INFO_DATA_NLMON] = "nlmon",
367 [NL_UNION_LINK_INFO_DATA_XFRM] = "xfrm",
368 };
369
370 DEFINE_STRING_TABLE_LOOKUP(nl_union_link_info_data, NLUnionLinkInfoData);
371
372 static const NLTypeSystem rtnl_link_info_data_type_systems[] = {
373 [NL_UNION_LINK_INFO_DATA_BOND] = { .count = ELEMENTSOF(rtnl_link_info_data_bond_types),
374 .types = rtnl_link_info_data_bond_types },
375 [NL_UNION_LINK_INFO_DATA_BRIDGE] = { .count = ELEMENTSOF(rtnl_link_info_data_bridge_types),
376 .types = rtnl_link_info_data_bridge_types },
377 [NL_UNION_LINK_INFO_DATA_VLAN] = { .count = ELEMENTSOF(rtnl_link_info_data_vlan_types),
378 .types = rtnl_link_info_data_vlan_types },
379 [NL_UNION_LINK_INFO_DATA_VETH] = { .count = ELEMENTSOF(rtnl_link_info_data_veth_types),
380 .types = rtnl_link_info_data_veth_types },
381 [NL_UNION_LINK_INFO_DATA_MACVLAN] = { .count = ELEMENTSOF(rtnl_link_info_data_macvlan_types),
382 .types = rtnl_link_info_data_macvlan_types },
383 [NL_UNION_LINK_INFO_DATA_MACVTAP] = { .count = ELEMENTSOF(rtnl_link_info_data_macvlan_types),
384 .types = rtnl_link_info_data_macvlan_types },
385 [NL_UNION_LINK_INFO_DATA_IPVLAN] = { .count = ELEMENTSOF(rtnl_link_info_data_ipvlan_types),
386 .types = rtnl_link_info_data_ipvlan_types },
387 [NL_UNION_LINK_INFO_DATA_IPVTAP] = { .count = ELEMENTSOF(rtnl_link_info_data_ipvlan_types),
388 .types = rtnl_link_info_data_ipvlan_types },
389 [NL_UNION_LINK_INFO_DATA_VXLAN] = { .count = ELEMENTSOF(rtnl_link_info_data_vxlan_types),
390 .types = rtnl_link_info_data_vxlan_types },
391 [NL_UNION_LINK_INFO_DATA_IPIP_TUNNEL] = { .count = ELEMENTSOF(rtnl_link_info_data_iptun_types),
392 .types = rtnl_link_info_data_iptun_types },
393 [NL_UNION_LINK_INFO_DATA_IPGRE_TUNNEL] = { .count = ELEMENTSOF(rtnl_link_info_data_ipgre_types),
394 .types = rtnl_link_info_data_ipgre_types },
395 [NL_UNION_LINK_INFO_DATA_ERSPAN] = { .count = ELEMENTSOF(rtnl_link_info_data_ipgre_types),
396 .types = rtnl_link_info_data_ipgre_types },
397 [NL_UNION_LINK_INFO_DATA_IPGRETAP_TUNNEL] = { .count = ELEMENTSOF(rtnl_link_info_data_ipgre_types),
398 .types = rtnl_link_info_data_ipgre_types },
399 [NL_UNION_LINK_INFO_DATA_IP6GRE_TUNNEL] = { .count = ELEMENTSOF(rtnl_link_info_data_ipgre_types),
400 .types = rtnl_link_info_data_ipgre_types },
401 [NL_UNION_LINK_INFO_DATA_IP6GRETAP_TUNNEL] = { .count = ELEMENTSOF(rtnl_link_info_data_ipgre_types),
402 .types = rtnl_link_info_data_ipgre_types },
403 [NL_UNION_LINK_INFO_DATA_SIT_TUNNEL] = { .count = ELEMENTSOF(rtnl_link_info_data_iptun_types),
404 .types = rtnl_link_info_data_iptun_types },
405 [NL_UNION_LINK_INFO_DATA_VTI_TUNNEL] = { .count = ELEMENTSOF(rtnl_link_info_data_ipvti_types),
406 .types = rtnl_link_info_data_ipvti_types },
407 [NL_UNION_LINK_INFO_DATA_VTI6_TUNNEL] = { .count = ELEMENTSOF(rtnl_link_info_data_ipvti_types),
408 .types = rtnl_link_info_data_ipvti_types },
409 [NL_UNION_LINK_INFO_DATA_IP6TNL_TUNNEL] = { .count = ELEMENTSOF(rtnl_link_info_data_ip6tnl_types),
410 .types = rtnl_link_info_data_ip6tnl_types },
411 [NL_UNION_LINK_INFO_DATA_VRF] = { .count = ELEMENTSOF(rtnl_link_info_data_vrf_types),
412 .types = rtnl_link_info_data_vrf_types },
413 [NL_UNION_LINK_INFO_DATA_GENEVE] = { .count = ELEMENTSOF(rtnl_link_info_data_geneve_types),
414 .types = rtnl_link_info_data_geneve_types },
415 [NL_UNION_LINK_INFO_DATA_VXCAN] = { .count = ELEMENTSOF(rtnl_link_info_data_vxcan_types),
416 .types = rtnl_link_info_data_vxcan_types },
417 [NL_UNION_LINK_INFO_DATA_CAN] = { .count = ELEMENTSOF(rtnl_link_info_data_can_types),
418 .types = rtnl_link_info_data_can_types },
419 [NL_UNION_LINK_INFO_DATA_MACSEC] = { .count = ELEMENTSOF(rtnl_link_info_data_macsec_types),
420 .types = rtnl_link_info_data_macsec_types },
421 [NL_UNION_LINK_INFO_DATA_XFRM] = { .count = ELEMENTSOF(rtnl_link_info_data_xfrm_types),
422 .types = rtnl_link_info_data_xfrm_types },
423 };
424
425 static const NLTypeSystemUnion rtnl_link_info_data_type_system_union = {
426 .num = _NL_UNION_LINK_INFO_DATA_MAX,
427 .lookup = nl_union_link_info_data_from_string,
428 .type_systems = rtnl_link_info_data_type_systems,
429 .match_type = NL_MATCH_SIBLING,
430 .match = IFLA_INFO_KIND,
431 };
432
433 static const NLType rtnl_link_info_types[] = {
434 [IFLA_INFO_KIND] = { .type = NETLINK_TYPE_STRING },
435 [IFLA_INFO_DATA] = { .type = NETLINK_TYPE_UNION, .type_system_union = &rtnl_link_info_data_type_system_union},
436 /*
437 [IFLA_INFO_XSTATS],
438 [IFLA_INFO_SLAVE_KIND] = { .type = NETLINK_TYPE_STRING },
439 [IFLA_INFO_SLAVE_DATA] = { .type = NETLINK_TYPE_NESTED },
440 */
441 };
442
443 static const NLTypeSystem rtnl_link_info_type_system = {
444 .count = ELEMENTSOF(rtnl_link_info_types),
445 .types = rtnl_link_info_types,
446 };
447
448 static const struct NLType rtnl_prot_info_bridge_port_types[] = {
449 [IFLA_BRPORT_STATE] = { .type = NETLINK_TYPE_U8 },
450 [IFLA_BRPORT_COST] = { .type = NETLINK_TYPE_U32 },
451 [IFLA_BRPORT_PRIORITY] = { .type = NETLINK_TYPE_U16 },
452 [IFLA_BRPORT_MODE] = { .type = NETLINK_TYPE_U8 },
453 [IFLA_BRPORT_GUARD] = { .type = NETLINK_TYPE_U8 },
454 [IFLA_BRPORT_PROTECT] = { .type = NETLINK_TYPE_U8 },
455 [IFLA_BRPORT_FAST_LEAVE] = { .type = NETLINK_TYPE_U8 },
456 [IFLA_BRPORT_LEARNING] = { .type = NETLINK_TYPE_U8 },
457 [IFLA_BRPORT_UNICAST_FLOOD] = { .type = NETLINK_TYPE_U8 },
458 [IFLA_BRPORT_PROXYARP] = { .type = NETLINK_TYPE_U8 },
459 [IFLA_BRPORT_LEARNING_SYNC] = { .type = NETLINK_TYPE_U8 },
460 [IFLA_BRPORT_PROXYARP_WIFI] = { .type = NETLINK_TYPE_U8 },
461 [IFLA_BRPORT_ROOT_ID] = { .type = NETLINK_TYPE_U8 },
462 [IFLA_BRPORT_BRIDGE_ID] = { .type = NETLINK_TYPE_U8 },
463 [IFLA_BRPORT_DESIGNATED_PORT] = { .type = NETLINK_TYPE_U16 },
464 [IFLA_BRPORT_DESIGNATED_COST] = { .type = NETLINK_TYPE_U16 },
465 [IFLA_BRPORT_ID] = { .type = NETLINK_TYPE_U16 },
466 [IFLA_BRPORT_NO] = { .type = NETLINK_TYPE_U16 },
467 [IFLA_BRPORT_TOPOLOGY_CHANGE_ACK] = { .type = NETLINK_TYPE_U8 },
468 [IFLA_BRPORT_CONFIG_PENDING] = { .type = NETLINK_TYPE_U8 },
469 [IFLA_BRPORT_MESSAGE_AGE_TIMER] = { .type = NETLINK_TYPE_U64 },
470 [IFLA_BRPORT_FORWARD_DELAY_TIMER] = { .type = NETLINK_TYPE_U64 },
471 [IFLA_BRPORT_HOLD_TIMER] = { .type = NETLINK_TYPE_U64 },
472 [IFLA_BRPORT_FLUSH] = { .type = NETLINK_TYPE_U8 },
473 [IFLA_BRPORT_MULTICAST_ROUTER] = { .type = NETLINK_TYPE_U8 },
474 [IFLA_BRPORT_PAD] = { .type = NETLINK_TYPE_U8 },
475 [IFLA_BRPORT_MCAST_FLOOD] = { .type = NETLINK_TYPE_U8 },
476 [IFLA_BRPORT_MCAST_TO_UCAST] = { .type = NETLINK_TYPE_U8 },
477 [IFLA_BRPORT_VLAN_TUNNEL] = { .type = NETLINK_TYPE_U8 },
478 [IFLA_BRPORT_BCAST_FLOOD] = { .type = NETLINK_TYPE_U8 },
479 [IFLA_BRPORT_GROUP_FWD_MASK] = { .type = NETLINK_TYPE_U16 },
480 [IFLA_BRPORT_NEIGH_SUPPRESS] = { .type = NETLINK_TYPE_U8 },
481 [IFLA_BRPORT_ISOLATED] = { .type = NETLINK_TYPE_U8 },
482 [IFLA_BRPORT_BACKUP_PORT] = { .type = NETLINK_TYPE_U32 },
483 };
484
485 static const NLTypeSystem rtnl_prot_info_type_systems[] = {
486 [AF_BRIDGE] = { .count = ELEMENTSOF(rtnl_prot_info_bridge_port_types),
487 .types = rtnl_prot_info_bridge_port_types },
488 };
489
490 static const NLTypeSystemUnion rtnl_prot_info_type_system_union = {
491 .num = AF_MAX,
492 .type_systems = rtnl_prot_info_type_systems,
493 .match_type = NL_MATCH_PROTOCOL,
494 };
495
496 static const struct NLType rtnl_af_spec_inet6_types[] = {
497 [IFLA_INET6_FLAGS] = { .type = NETLINK_TYPE_U32 },
498 /*
499 IFLA_INET6_CONF,
500 IFLA_INET6_STATS,
501 IFLA_INET6_MCAST,
502 IFLA_INET6_CACHEINFO,
503 IFLA_INET6_ICMP6STATS,
504 */
505 [IFLA_INET6_TOKEN] = { .type = NETLINK_TYPE_IN_ADDR },
506 [IFLA_INET6_ADDR_GEN_MODE] = { .type = NETLINK_TYPE_U8 },
507 };
508
509 static const NLTypeSystem rtnl_af_spec_inet6_type_system = {
510 .count = ELEMENTSOF(rtnl_af_spec_inet6_types),
511 .types = rtnl_af_spec_inet6_types,
512 };
513
514 static const NLType rtnl_af_spec_types[] = {
515 [AF_INET6] = { .type = NETLINK_TYPE_NESTED, .type_system = &rtnl_af_spec_inet6_type_system },
516 };
517
518 static const NLTypeSystem rtnl_af_spec_type_system = {
519 .count = ELEMENTSOF(rtnl_af_spec_types),
520 .types = rtnl_af_spec_types,
521 };
522
523 static const NLType rtnl_link_types[] = {
524 [IFLA_ADDRESS] = { .type = NETLINK_TYPE_ETHER_ADDR },
525 [IFLA_BROADCAST] = { .type = NETLINK_TYPE_ETHER_ADDR },
526 [IFLA_IFNAME] = { .type = NETLINK_TYPE_STRING, .size = IFNAMSIZ - 1 },
527 [IFLA_MTU] = { .type = NETLINK_TYPE_U32 },
528 [IFLA_LINK] = { .type = NETLINK_TYPE_U32 },
529 /*
530 [IFLA_QDISC],
531 */
532 [IFLA_STATS] = { .size = sizeof(struct rtnl_link_stats) },
533 /*
534 [IFLA_COST],
535 [IFLA_PRIORITY],
536 */
537 [IFLA_MASTER] = { .type = NETLINK_TYPE_U32 },
538 /*
539 [IFLA_WIRELESS],
540 */
541 [IFLA_PROTINFO] = { .type = NETLINK_TYPE_UNION, .type_system_union = &rtnl_prot_info_type_system_union },
542 [IFLA_TXQLEN] = { .type = NETLINK_TYPE_U32 },
543 /*
544 [IFLA_MAP] = { .len = sizeof(struct rtnl_link_ifmap) },
545 */
546 [IFLA_WEIGHT] = { .type = NETLINK_TYPE_U32 },
547 [IFLA_OPERSTATE] = { .type = NETLINK_TYPE_U8 },
548 [IFLA_LINKMODE] = { .type = NETLINK_TYPE_U8 },
549 [IFLA_LINKINFO] = { .type = NETLINK_TYPE_NESTED, .type_system = &rtnl_link_info_type_system },
550 [IFLA_NET_NS_PID] = { .type = NETLINK_TYPE_U32 },
551 [IFLA_IFALIAS] = { .type = NETLINK_TYPE_STRING, .size = IFALIASZ - 1 },
552 /*
553 [IFLA_NUM_VF],
554 [IFLA_VFINFO_LIST] = {. type = NETLINK_TYPE_NESTED, },
555 */
556 [IFLA_STATS64] = { .size = sizeof(struct rtnl_link_stats64) },
557 /*
558 [IFLA_VF_PORTS] = { .type = NETLINK_TYPE_NESTED },
559 [IFLA_PORT_SELF] = { .type = NETLINK_TYPE_NESTED },
560 */
561 [IFLA_AF_SPEC] = { .type = NETLINK_TYPE_NESTED, .type_system = &rtnl_af_spec_type_system },
562 /*
563 [IFLA_VF_PORTS],
564 [IFLA_PORT_SELF],
565 [IFLA_AF_SPEC],
566 */
567 [IFLA_GROUP] = { .type = NETLINK_TYPE_U32 },
568 [IFLA_NET_NS_FD] = { .type = NETLINK_TYPE_U32 },
569 [IFLA_EXT_MASK] = { .type = NETLINK_TYPE_U32 },
570 [IFLA_PROMISCUITY] = { .type = NETLINK_TYPE_U32 },
571 [IFLA_NUM_TX_QUEUES] = { .type = NETLINK_TYPE_U32 },
572 [IFLA_NUM_RX_QUEUES] = { .type = NETLINK_TYPE_U32 },
573 [IFLA_CARRIER] = { .type = NETLINK_TYPE_U8 },
574 /*
575 [IFLA_PHYS_PORT_ID] = { .type = NETLINK_TYPE_BINARY, .len = MAX_PHYS_PORT_ID_LEN },
576 */
577 [IFLA_MIN_MTU] = { .type = NETLINK_TYPE_U32 },
578 [IFLA_MAX_MTU] = { .type = NETLINK_TYPE_U32 },
579 };
580
581 static const NLTypeSystem rtnl_link_type_system = {
582 .count = ELEMENTSOF(rtnl_link_types),
583 .types = rtnl_link_types,
584 };
585
586 /* IFA_FLAGS was defined in kernel 3.14, but we still support older
587 * kernels where IFA_MAX is lower. */
588 static const NLType rtnl_address_types[] = {
589 [IFA_ADDRESS] = { .type = NETLINK_TYPE_IN_ADDR },
590 [IFA_LOCAL] = { .type = NETLINK_TYPE_IN_ADDR },
591 [IFA_LABEL] = { .type = NETLINK_TYPE_STRING, .size = IFNAMSIZ - 1 },
592 [IFA_BROADCAST] = { .type = NETLINK_TYPE_IN_ADDR }, /* 6? */
593 [IFA_CACHEINFO] = { .type = NETLINK_TYPE_CACHE_INFO, .size = sizeof(struct ifa_cacheinfo) },
594 /*
595 [IFA_ANYCAST],
596 [IFA_MULTICAST],
597 */
598 [IFA_FLAGS] = { .type = NETLINK_TYPE_U32 },
599 };
600
601 static const NLTypeSystem rtnl_address_type_system = {
602 .count = ELEMENTSOF(rtnl_address_types),
603 .types = rtnl_address_types,
604 };
605
606 /* RTM_METRICS --- array of struct rtattr with types of RTAX_* */
607
608 static const NLType rtnl_route_metrics_types[] = {
609 [RTAX_MTU] = { .type = NETLINK_TYPE_U32 },
610 [RTAX_WINDOW] = { .type = NETLINK_TYPE_U32 },
611 [RTAX_RTT] = { .type = NETLINK_TYPE_U32 },
612 [RTAX_RTTVAR] = { .type = NETLINK_TYPE_U32 },
613 [RTAX_SSTHRESH] = { .type = NETLINK_TYPE_U32 },
614 [RTAX_CWND] = { .type = NETLINK_TYPE_U32 },
615 [RTAX_ADVMSS] = { .type = NETLINK_TYPE_U32 },
616 [RTAX_REORDERING] = { .type = NETLINK_TYPE_U32 },
617 [RTAX_HOPLIMIT] = { .type = NETLINK_TYPE_U32 },
618 [RTAX_INITCWND] = { .type = NETLINK_TYPE_U32 },
619 [RTAX_FEATURES] = { .type = NETLINK_TYPE_U32 },
620 [RTAX_RTO_MIN] = { .type = NETLINK_TYPE_U32 },
621 [RTAX_INITRWND] = { .type = NETLINK_TYPE_U32 },
622 [RTAX_QUICKACK] = { .type = NETLINK_TYPE_U32 },
623 [RTAX_CC_ALGO] = { .type = NETLINK_TYPE_U32 },
624 [RTAX_FASTOPEN_NO_COOKIE] = { .type = NETLINK_TYPE_U32 },
625 };
626
627 static const NLTypeSystem rtnl_route_metrics_type_system = {
628 .count = ELEMENTSOF(rtnl_route_metrics_types),
629 .types = rtnl_route_metrics_types,
630 };
631
632 static const NLType rtnl_route_types[] = {
633 [RTA_DST] = { .type = NETLINK_TYPE_IN_ADDR }, /* 6? */
634 [RTA_SRC] = { .type = NETLINK_TYPE_IN_ADDR }, /* 6? */
635 [RTA_IIF] = { .type = NETLINK_TYPE_U32 },
636 [RTA_OIF] = { .type = NETLINK_TYPE_U32 },
637 [RTA_GATEWAY] = { .type = NETLINK_TYPE_IN_ADDR },
638 [RTA_PRIORITY] = { .type = NETLINK_TYPE_U32 },
639 [RTA_PREFSRC] = { .type = NETLINK_TYPE_IN_ADDR }, /* 6? */
640 [RTA_METRICS] = { .type = NETLINK_TYPE_NESTED, .type_system = &rtnl_route_metrics_type_system},
641 [RTA_MULTIPATH] = { .size = sizeof(struct rtnexthop) },
642 [RTA_FLOW] = { .type = NETLINK_TYPE_U32 }, /* 6? */
643 [RTA_CACHEINFO] = { .size = sizeof(struct rta_cacheinfo) },
644 [RTA_TABLE] = { .type = NETLINK_TYPE_U32 },
645 [RTA_MARK] = { .type = NETLINK_TYPE_U32 },
646 [RTA_MFC_STATS] = { .type = NETLINK_TYPE_U64 },
647 [RTA_VIA] = { .type = NETLINK_TYPE_U32 },
648 [RTA_NEWDST] = { .type = NETLINK_TYPE_U32 },
649 [RTA_PREF] = { .type = NETLINK_TYPE_U8 },
650 [RTA_EXPIRES] = { .type = NETLINK_TYPE_U32 },
651 [RTA_ENCAP_TYPE] = { .type = NETLINK_TYPE_U16 },
652 [RTA_ENCAP] = { .type = NETLINK_TYPE_NESTED }, /* Multiple type systems i.e. LWTUNNEL_ENCAP_MPLS/LWTUNNEL_ENCAP_IP/LWTUNNEL_ENCAP_ILA etc... */
653 [RTA_UID] = { .type = NETLINK_TYPE_U32 },
654 [RTA_TTL_PROPAGATE] = { .type = NETLINK_TYPE_U8 },
655 [RTA_IP_PROTO] = { .type = NETLINK_TYPE_U8 },
656 [RTA_SPORT] = { .type = NETLINK_TYPE_U16 },
657 [RTA_DPORT] = { .type = NETLINK_TYPE_U16 },
658 };
659
660 static const NLTypeSystem rtnl_route_type_system = {
661 .count = ELEMENTSOF(rtnl_route_types),
662 .types = rtnl_route_types,
663 };
664
665 static const NLType rtnl_neigh_types[] = {
666 [NDA_DST] = { .type = NETLINK_TYPE_IN_ADDR },
667 [NDA_LLADDR] = { /* struct ether_addr, struct in_addr, or struct in6_addr */ },
668 [NDA_CACHEINFO] = { .type = NETLINK_TYPE_CACHE_INFO, .size = sizeof(struct nda_cacheinfo) },
669 [NDA_PROBES] = { .type = NETLINK_TYPE_U32 },
670 [NDA_VLAN] = { .type = NETLINK_TYPE_U16 },
671 [NDA_PORT] = { .type = NETLINK_TYPE_U16 },
672 [NDA_VNI] = { .type = NETLINK_TYPE_U32 },
673 [NDA_IFINDEX] = { .type = NETLINK_TYPE_U32 },
674 };
675
676 static const NLTypeSystem rtnl_neigh_type_system = {
677 .count = ELEMENTSOF(rtnl_neigh_types),
678 .types = rtnl_neigh_types,
679 };
680
681 static const NLType rtnl_addrlabel_types[] = {
682 [IFAL_ADDRESS] = { .type = NETLINK_TYPE_IN_ADDR, .size = sizeof(struct in6_addr) },
683 [IFAL_LABEL] = { .type = NETLINK_TYPE_U32 },
684 };
685
686 static const NLTypeSystem rtnl_addrlabel_type_system = {
687 .count = ELEMENTSOF(rtnl_addrlabel_types),
688 .types = rtnl_addrlabel_types,
689 };
690
691 static const NLType rtnl_routing_policy_rule_types[] = {
692 [FRA_DST] = { .type = NETLINK_TYPE_IN_ADDR },
693 [FRA_SRC] = { .type = NETLINK_TYPE_IN_ADDR },
694 [FRA_IIFNAME] = { .type = NETLINK_TYPE_STRING },
695 [FRA_GOTO] = { .type = NETLINK_TYPE_U32 },
696 [FRA_PRIORITY] = { .type = NETLINK_TYPE_U32 },
697 [FRA_FWMARK] = { .type = NETLINK_TYPE_U32 },
698 [FRA_FLOW] = { .type = NETLINK_TYPE_U32 },
699 [FRA_TUN_ID] = { .type = NETLINK_TYPE_U64 },
700 [FRA_SUPPRESS_IFGROUP] = { .type = NETLINK_TYPE_U32 },
701 [FRA_SUPPRESS_PREFIXLEN] = { .type = NETLINK_TYPE_U32 },
702 [FRA_TABLE] = { .type = NETLINK_TYPE_U32 },
703 [FRA_FWMASK] = { .type = NETLINK_TYPE_U32 },
704 [FRA_OIFNAME] = { .type = NETLINK_TYPE_STRING },
705 [FRA_PAD] = { .type = NETLINK_TYPE_U32 },
706 [FRA_L3MDEV] = { .type = NETLINK_TYPE_U8 },
707 [FRA_UID_RANGE] = { .size = sizeof(struct fib_rule_uid_range) },
708 [FRA_PROTOCOL] = { .type = NETLINK_TYPE_U8 },
709 [FRA_IP_PROTO] = { .type = NETLINK_TYPE_U8 },
710 [FRA_SPORT_RANGE] = { .size = sizeof(struct fib_rule_port_range) },
711 [FRA_DPORT_RANGE] = { .size = sizeof(struct fib_rule_port_range) },
712 };
713
714 static const NLTypeSystem rtnl_routing_policy_rule_type_system = {
715 .count = ELEMENTSOF(rtnl_routing_policy_rule_types),
716 .types = rtnl_routing_policy_rule_types,
717 };
718
719 static const NLType rtnl_types[] = {
720 [NLMSG_DONE] = { .type = NETLINK_TYPE_NESTED, .type_system = &empty_type_system, .size = 0 },
721 [NLMSG_ERROR] = { .type = NETLINK_TYPE_NESTED, .type_system = &empty_type_system, .size = sizeof(struct nlmsgerr) },
722 [RTM_NEWLINK] = { .type = NETLINK_TYPE_NESTED, .type_system = &rtnl_link_type_system, .size = sizeof(struct ifinfomsg) },
723 [RTM_DELLINK] = { .type = NETLINK_TYPE_NESTED, .type_system = &rtnl_link_type_system, .size = sizeof(struct ifinfomsg) },
724 [RTM_GETLINK] = { .type = NETLINK_TYPE_NESTED, .type_system = &rtnl_link_type_system, .size = sizeof(struct ifinfomsg) },
725 [RTM_SETLINK] = { .type = NETLINK_TYPE_NESTED, .type_system = &rtnl_link_type_system, .size = sizeof(struct ifinfomsg) },
726 [RTM_NEWADDR] = { .type = NETLINK_TYPE_NESTED, .type_system = &rtnl_address_type_system, .size = sizeof(struct ifaddrmsg) },
727 [RTM_DELADDR] = { .type = NETLINK_TYPE_NESTED, .type_system = &rtnl_address_type_system, .size = sizeof(struct ifaddrmsg) },
728 [RTM_GETADDR] = { .type = NETLINK_TYPE_NESTED, .type_system = &rtnl_address_type_system, .size = sizeof(struct ifaddrmsg) },
729 [RTM_NEWROUTE] = { .type = NETLINK_TYPE_NESTED, .type_system = &rtnl_route_type_system, .size = sizeof(struct rtmsg) },
730 [RTM_DELROUTE] = { .type = NETLINK_TYPE_NESTED, .type_system = &rtnl_route_type_system, .size = sizeof(struct rtmsg) },
731 [RTM_GETROUTE] = { .type = NETLINK_TYPE_NESTED, .type_system = &rtnl_route_type_system, .size = sizeof(struct rtmsg) },
732 [RTM_NEWNEIGH] = { .type = NETLINK_TYPE_NESTED, .type_system = &rtnl_neigh_type_system, .size = sizeof(struct ndmsg) },
733 [RTM_DELNEIGH] = { .type = NETLINK_TYPE_NESTED, .type_system = &rtnl_neigh_type_system, .size = sizeof(struct ndmsg) },
734 [RTM_GETNEIGH] = { .type = NETLINK_TYPE_NESTED, .type_system = &rtnl_neigh_type_system, .size = sizeof(struct ndmsg) },
735 [RTM_NEWADDRLABEL] = { .type = NETLINK_TYPE_NESTED, .type_system = &rtnl_addrlabel_type_system, .size = sizeof(struct ifaddrlblmsg) },
736 [RTM_DELADDRLABEL] = { .type = NETLINK_TYPE_NESTED, .type_system = &rtnl_addrlabel_type_system, .size = sizeof(struct ifaddrlblmsg) },
737 [RTM_GETADDRLABEL] = { .type = NETLINK_TYPE_NESTED, .type_system = &rtnl_addrlabel_type_system, .size = sizeof(struct ifaddrlblmsg) },
738 [RTM_NEWRULE] = { .type = NETLINK_TYPE_NESTED, .type_system = &rtnl_routing_policy_rule_type_system, .size = sizeof(struct rtmsg) },
739 [RTM_DELRULE] = { .type = NETLINK_TYPE_NESTED, .type_system = &rtnl_routing_policy_rule_type_system, .size = sizeof(struct rtmsg) },
740 [RTM_GETRULE] = { .type = NETLINK_TYPE_NESTED, .type_system = &rtnl_routing_policy_rule_type_system, .size = sizeof(struct rtmsg) },
741 };
742
743 const NLTypeSystem rtnl_type_system_root = {
744 .count = ELEMENTSOF(rtnl_types),
745 .types = rtnl_types,
746 };
747
748 static const NLType genl_wireguard_allowedip_types[] = {
749 [WGALLOWEDIP_A_FAMILY] = { .type = NETLINK_TYPE_U16 },
750 [WGALLOWEDIP_A_IPADDR] = { .type = NETLINK_TYPE_IN_ADDR },
751 [WGALLOWEDIP_A_CIDR_MASK] = { .type = NETLINK_TYPE_U8 },
752 };
753
754 static const NLTypeSystem genl_wireguard_allowedip_type_system = {
755 .count = ELEMENTSOF(genl_wireguard_allowedip_types),
756 .types = genl_wireguard_allowedip_types,
757 };
758
759 static const NLType genl_wireguard_peer_types[] = {
760 [WGPEER_A_PUBLIC_KEY] = { .size = WG_KEY_LEN },
761 [WGPEER_A_FLAGS] = { .type = NETLINK_TYPE_U32 },
762 [WGPEER_A_PRESHARED_KEY] = { .size = WG_KEY_LEN },
763 [WGPEER_A_PERSISTENT_KEEPALIVE_INTERVAL] = { .type = NETLINK_TYPE_U16 },
764 [WGPEER_A_ENDPOINT] = { .type = NETLINK_TYPE_SOCKADDR },
765 [WGPEER_A_ALLOWEDIPS] = { .type = NETLINK_TYPE_NESTED, .type_system = &genl_wireguard_allowedip_type_system },
766 };
767
768 static const NLTypeSystem genl_wireguard_peer_type_system = {
769 .count = ELEMENTSOF(genl_wireguard_peer_types),
770 .types = genl_wireguard_peer_types,
771 };
772
773 static const NLType genl_wireguard_set_device_types[] = {
774 [WGDEVICE_A_IFINDEX] = { .type = NETLINK_TYPE_U32 },
775 [WGDEVICE_A_IFNAME] = { .type = NETLINK_TYPE_STRING, .size = IFNAMSIZ-1 },
776 [WGDEVICE_A_FLAGS] = { .type = NETLINK_TYPE_U32 },
777 [WGDEVICE_A_PRIVATE_KEY] = { .size = WG_KEY_LEN },
778 [WGDEVICE_A_LISTEN_PORT] = { .type = NETLINK_TYPE_U16 },
779 [WGDEVICE_A_FWMARK] = { .type = NETLINK_TYPE_U32 },
780 [WGDEVICE_A_PEERS] = { .type = NETLINK_TYPE_NESTED, .type_system = &genl_wireguard_peer_type_system },
781 };
782
783 static const NLTypeSystem genl_wireguard_set_device_type_system = {
784 .count = ELEMENTSOF(genl_wireguard_set_device_types),
785 .types = genl_wireguard_set_device_types,
786 };
787
788 static const NLType genl_wireguard_cmds[] = {
789 [WG_CMD_SET_DEVICE] = { .type = NETLINK_TYPE_NESTED, .type_system = &genl_wireguard_set_device_type_system },
790 };
791
792 static const NLTypeSystem genl_wireguard_type_system = {
793 .count = ELEMENTSOF(genl_wireguard_cmds),
794 .types = genl_wireguard_cmds,
795 };
796
797 static const NLType genl_mcast_group_types[] = {
798 [CTRL_ATTR_MCAST_GRP_NAME] = { .type = NETLINK_TYPE_STRING },
799 [CTRL_ATTR_MCAST_GRP_ID] = { .type = NETLINK_TYPE_U32 },
800 };
801
802 static const NLTypeSystem genl_mcast_group_type_system = {
803 .count = ELEMENTSOF(genl_mcast_group_types),
804 .types = genl_mcast_group_types,
805 };
806
807 static const NLType genl_get_family_types[] = {
808 [CTRL_ATTR_FAMILY_NAME] = { .type = NETLINK_TYPE_STRING },
809 [CTRL_ATTR_FAMILY_ID] = { .type = NETLINK_TYPE_U16 },
810 [CTRL_ATTR_MCAST_GROUPS] = { .type = NETLINK_TYPE_NESTED, .type_system = &genl_mcast_group_type_system },
811 };
812
813 static const NLTypeSystem genl_get_family_type_system = {
814 .count = ELEMENTSOF(genl_get_family_types),
815 .types = genl_get_family_types,
816 };
817
818 static const NLType genl_ctrl_id_ctrl_cmds[] = {
819 [CTRL_CMD_GETFAMILY] = { .type = NETLINK_TYPE_NESTED, .type_system = &genl_get_family_type_system },
820 };
821
822 static const NLTypeSystem genl_ctrl_id_ctrl_type_system = {
823 .count = ELEMENTSOF(genl_ctrl_id_ctrl_cmds),
824 .types = genl_ctrl_id_ctrl_cmds,
825 };
826
827 static const NLType genl_fou_types[] = {
828 [FOU_ATTR_PORT] = { .type = NETLINK_TYPE_U16 },
829 [FOU_ATTR_AF] = { .type = NETLINK_TYPE_U8 },
830 [FOU_ATTR_IPPROTO] = { .type = NETLINK_TYPE_U8 },
831 [FOU_ATTR_TYPE] = { .type = NETLINK_TYPE_U8 },
832 [FOU_ATTR_REMCSUM_NOPARTIAL] = { .type = NETLINK_TYPE_FLAG },
833 [FOU_ATTR_LOCAL_V4] = { .type = NETLINK_TYPE_IN_ADDR },
834 [FOU_ATTR_PEER_V4] = { .type = NETLINK_TYPE_IN_ADDR },
835 [FOU_ATTR_LOCAL_V6] = { .type = NETLINK_TYPE_IN_ADDR },
836 [FOU_ATTR_PEER_V6] = { .type = NETLINK_TYPE_IN_ADDR},
837 [FOU_ATTR_PEER_PORT] = { .type = NETLINK_TYPE_U16},
838 [FOU_ATTR_IFINDEX] = { .type = NETLINK_TYPE_U32},
839 };
840
841 static const NLTypeSystem genl_fou_type_system = {
842 .count = ELEMENTSOF(genl_fou_types),
843 .types = genl_fou_types,
844 };
845
846 static const NLType genl_fou_cmds[] = {
847 [FOU_CMD_ADD] = { .type = NETLINK_TYPE_NESTED, .type_system = &genl_fou_type_system },
848 [FOU_CMD_DEL] = { .type = NETLINK_TYPE_NESTED, .type_system = &genl_fou_type_system },
849 [FOU_CMD_GET] = { .type = NETLINK_TYPE_NESTED, .type_system = &genl_fou_type_system },
850 };
851
852 static const NLTypeSystem genl_fou_cmds_type_system = {
853 .count = ELEMENTSOF(genl_fou_cmds),
854 .types = genl_fou_cmds,
855 };
856
857 static const NLType genl_l2tp_types[] = {
858 [L2TP_ATTR_PW_TYPE] = { .type = NETLINK_TYPE_U16 },
859 [L2TP_ATTR_ENCAP_TYPE] = { .type = NETLINK_TYPE_U16 },
860 [L2TP_ATTR_OFFSET] = { .type = NETLINK_TYPE_U16 },
861 [L2TP_ATTR_DATA_SEQ] = { .type = NETLINK_TYPE_U16 },
862 [L2TP_ATTR_L2SPEC_TYPE] = { .type = NETLINK_TYPE_U8 },
863 [L2TP_ATTR_L2SPEC_LEN] = { .type = NETLINK_TYPE_U8 },
864 [L2TP_ATTR_PROTO_VERSION] = { .type = NETLINK_TYPE_U8 },
865 [L2TP_ATTR_IFNAME] = { .type = NETLINK_TYPE_STRING },
866 [L2TP_ATTR_CONN_ID] = { .type = NETLINK_TYPE_U32 },
867 [L2TP_ATTR_PEER_CONN_ID] = { .type = NETLINK_TYPE_U32 },
868 [L2TP_ATTR_SESSION_ID] = { .type = NETLINK_TYPE_U32 },
869 [L2TP_ATTR_PEER_SESSION_ID] = { .type = NETLINK_TYPE_U32 },
870 [L2TP_ATTR_UDP_CSUM] = { .type = NETLINK_TYPE_U8 },
871 [L2TP_ATTR_VLAN_ID] = { .type = NETLINK_TYPE_U16 },
872 [L2TP_ATTR_RECV_SEQ] = { .type = NETLINK_TYPE_U8 },
873 [L2TP_ATTR_SEND_SEQ] = { .type = NETLINK_TYPE_U8 },
874 [L2TP_ATTR_LNS_MODE] = { .type = NETLINK_TYPE_U8 },
875 [L2TP_ATTR_USING_IPSEC] = { .type = NETLINK_TYPE_U8 },
876 [L2TP_ATTR_FD] = { .type = NETLINK_TYPE_U32 },
877 [L2TP_ATTR_IP_SADDR] = { .type = NETLINK_TYPE_IN_ADDR },
878 [L2TP_ATTR_IP_DADDR] = { .type = NETLINK_TYPE_IN_ADDR },
879 [L2TP_ATTR_UDP_SPORT] = { .type = NETLINK_TYPE_U16 },
880 [L2TP_ATTR_UDP_DPORT] = { .type = NETLINK_TYPE_U16 },
881 [L2TP_ATTR_IP6_SADDR] = { .type = NETLINK_TYPE_IN_ADDR },
882 [L2TP_ATTR_IP6_DADDR] = { .type = NETLINK_TYPE_IN_ADDR },
883 [L2TP_ATTR_UDP_ZERO_CSUM6_TX] = { .type = NETLINK_TYPE_FLAG },
884 [L2TP_ATTR_UDP_ZERO_CSUM6_RX] = { .type = NETLINK_TYPE_FLAG },
885 };
886
887 static const NLTypeSystem genl_l2tp_type_system = {
888 .count = ELEMENTSOF(genl_l2tp_types),
889 .types = genl_l2tp_types,
890 };
891
892 static const NLType genl_l2tp[] = {
893 [L2TP_CMD_TUNNEL_CREATE] = { .type = NETLINK_TYPE_NESTED, .type_system = &genl_l2tp_type_system },
894 [L2TP_CMD_TUNNEL_DELETE] = { .type = NETLINK_TYPE_NESTED, .type_system = &genl_l2tp_type_system },
895 [L2TP_CMD_TUNNEL_MODIFY] = { .type = NETLINK_TYPE_NESTED, .type_system = &genl_l2tp_type_system },
896 [L2TP_CMD_TUNNEL_GET] = { .type = NETLINK_TYPE_NESTED, .type_system = &genl_l2tp_type_system },
897 [L2TP_CMD_SESSION_CREATE] = { .type = NETLINK_TYPE_NESTED, .type_system = &genl_l2tp_type_system },
898 [L2TP_CMD_SESSION_DELETE] = { .type = NETLINK_TYPE_NESTED, .type_system = &genl_l2tp_type_system },
899 [L2TP_CMD_SESSION_MODIFY] = { .type = NETLINK_TYPE_NESTED, .type_system = &genl_l2tp_type_system },
900 [L2TP_CMD_SESSION_GET] = { .type = NETLINK_TYPE_NESTED, .type_system = &genl_l2tp_type_system },
901 };
902
903 static const NLTypeSystem genl_l2tp_tunnel_session_type_system = {
904 .count = ELEMENTSOF(genl_l2tp),
905 .types = genl_l2tp,
906 };
907
908 static const NLType genl_rxsc_types[] = {
909 [MACSEC_RXSC_ATTR_SCI] = { .type = NETLINK_TYPE_U64 },
910 };
911
912 static const NLTypeSystem genl_rxsc_config_type_system = {
913 .count = ELEMENTSOF(genl_rxsc_types),
914 .types = genl_rxsc_types,
915 };
916
917 static const NLType genl_macsec_rxsc_types[] = {
918 [MACSEC_ATTR_IFINDEX] = { .type = NETLINK_TYPE_U32 },
919 [MACSEC_ATTR_RXSC_CONFIG] = { .type = NETLINK_TYPE_NESTED, .type_system = &genl_rxsc_config_type_system },
920 };
921
922 static const NLTypeSystem genl_macsec_rxsc_type_system = {
923 .count = ELEMENTSOF(genl_macsec_rxsc_types),
924 .types = genl_macsec_rxsc_types,
925 };
926
927 static const NLType genl_macsec_sa_config_types[] = {
928 [MACSEC_SA_ATTR_AN] = { .type = NETLINK_TYPE_U8 },
929 [MACSEC_SA_ATTR_ACTIVE] = { .type = NETLINK_TYPE_U8 },
930 [MACSEC_SA_ATTR_PN] = { .type = NETLINK_TYPE_U32 },
931 [MACSEC_SA_ATTR_KEYID] = { .size = MACSEC_KEYID_LEN },
932 [MACSEC_SA_ATTR_KEY] = { .size = MACSEC_MAX_KEY_LEN },
933 };
934
935 static const NLTypeSystem genl_macsec_sa_config_type_system = {
936 .count = ELEMENTSOF(genl_macsec_sa_config_types),
937 .types = genl_macsec_sa_config_types,
938 };
939
940 static const NLType genl_macsec_rxsa_types[] = {
941 [MACSEC_ATTR_IFINDEX] = { .type = NETLINK_TYPE_U32 },
942 [MACSEC_ATTR_SA_CONFIG] = { .type = NETLINK_TYPE_NESTED, .type_system = &genl_macsec_sa_config_type_system },
943 };
944
945 static const NLTypeSystem genl_macsec_rxsa_type_system = {
946 .count = ELEMENTSOF(genl_macsec_rxsa_types),
947 .types = genl_macsec_rxsa_types,
948 };
949
950 static const NLType genl_macsec_sa_types[] = {
951 [MACSEC_ATTR_IFINDEX] = { .type = NETLINK_TYPE_U32 },
952 [MACSEC_ATTR_RXSC_CONFIG] = { .type = NETLINK_TYPE_NESTED, .type_system = &genl_rxsc_config_type_system },
953 [MACSEC_ATTR_SA_CONFIG] = { .type = NETLINK_TYPE_NESTED, .type_system = &genl_macsec_sa_config_type_system },
954 };
955
956 static const NLTypeSystem genl_macsec_sa_type_system = {
957 .count = ELEMENTSOF(genl_macsec_sa_types),
958 .types = genl_macsec_sa_types,
959 };
960
961 static const NLType genl_macsec[] = {
962 [MACSEC_CMD_ADD_RXSC] = { .type = NETLINK_TYPE_NESTED, .type_system = &genl_macsec_rxsc_type_system },
963 [MACSEC_CMD_ADD_TXSA] = { .type = NETLINK_TYPE_NESTED, .type_system = &genl_macsec_rxsa_type_system},
964 [MACSEC_CMD_ADD_RXSA] = { .type = NETLINK_TYPE_NESTED, .type_system = &genl_macsec_sa_type_system },
965 };
966
967 static const NLTypeSystem genl_macsec_device_type_system = {
968 .count = ELEMENTSOF(genl_macsec),
969 .types = genl_macsec,
970 };
971
972 static const NLType genl_families[] = {
973 [SD_GENL_ID_CTRL] = { .type = NETLINK_TYPE_NESTED, .type_system = &genl_ctrl_id_ctrl_type_system },
974 [SD_GENL_WIREGUARD] = { .type = NETLINK_TYPE_NESTED, .type_system = &genl_wireguard_type_system },
975 [SD_GENL_FOU] = { .type = NETLINK_TYPE_NESTED, .type_system = &genl_fou_cmds_type_system},
976 [SD_GENL_L2TP] = { .type = NETLINK_TYPE_NESTED, .type_system = &genl_l2tp_tunnel_session_type_system },
977 [SD_GENL_MACSEC] = { .type = NETLINK_TYPE_NESTED, .type_system = &genl_macsec_device_type_system },
978 };
979
980 const NLTypeSystem genl_family_type_system_root = {
981 .count = ELEMENTSOF(genl_families),
982 .types = genl_families,
983 };
984
985 static const NLType genl_types[] = {
986 [NLMSG_ERROR] = { .type = NETLINK_TYPE_NESTED, .type_system = &empty_type_system, .size = sizeof(struct nlmsgerr) },
987 [GENL_ID_CTRL] = { .type = NETLINK_TYPE_NESTED, .type_system = &genl_get_family_type_system, .size = sizeof(struct genlmsghdr) },
988 };
989
990 const NLTypeSystem genl_type_system_root = {
991 .count = ELEMENTSOF(genl_types),
992 .types = genl_types,
993 };
994
995 uint16_t type_get_type(const NLType *type) {
996 assert(type);
997 return type->type;
998 }
999
1000 size_t type_get_size(const NLType *type) {
1001 assert(type);
1002 return type->size;
1003 }
1004
1005 void type_get_type_system(const NLType *nl_type, const NLTypeSystem **ret) {
1006 assert(nl_type);
1007 assert(ret);
1008 assert(nl_type->type == NETLINK_TYPE_NESTED);
1009 assert(nl_type->type_system);
1010
1011 *ret = nl_type->type_system;
1012 }
1013
1014 void type_get_type_system_union(const NLType *nl_type, const NLTypeSystemUnion **ret) {
1015 assert(nl_type);
1016 assert(ret);
1017 assert(nl_type->type == NETLINK_TYPE_UNION);
1018 assert(nl_type->type_system_union);
1019
1020 *ret = nl_type->type_system_union;
1021 }
1022
1023 uint16_t type_system_get_count(const NLTypeSystem *type_system) {
1024 assert(type_system);
1025 return type_system->count;
1026 }
1027
1028 const NLTypeSystem *type_system_get_root(int protocol) {
1029 switch (protocol) {
1030 case NETLINK_GENERIC:
1031 return &genl_type_system_root;
1032 default: /* NETLINK_ROUTE: */
1033 return &rtnl_type_system_root;
1034 }
1035 }
1036
1037 int type_system_get_type(const NLTypeSystem *type_system, const NLType **ret, uint16_t type) {
1038 const NLType *nl_type;
1039
1040 assert(ret);
1041 assert(type_system);
1042 assert(type_system->types);
1043
1044 if (type >= type_system->count)
1045 return -EOPNOTSUPP;
1046
1047 nl_type = &type_system->types[type];
1048
1049 if (nl_type->type == NETLINK_TYPE_UNSPEC)
1050 return -EOPNOTSUPP;
1051
1052 *ret = nl_type;
1053
1054 return 0;
1055 }
1056
1057 int type_system_get_type_system(const NLTypeSystem *type_system, const NLTypeSystem **ret, uint16_t type) {
1058 const NLType *nl_type;
1059 int r;
1060
1061 assert(ret);
1062
1063 r = type_system_get_type(type_system, &nl_type, type);
1064 if (r < 0)
1065 return r;
1066
1067 type_get_type_system(nl_type, ret);
1068 return 0;
1069 }
1070
1071 int type_system_get_type_system_union(const NLTypeSystem *type_system, const NLTypeSystemUnion **ret, uint16_t type) {
1072 const NLType *nl_type;
1073 int r;
1074
1075 assert(ret);
1076
1077 r = type_system_get_type(type_system, &nl_type, type);
1078 if (r < 0)
1079 return r;
1080
1081 type_get_type_system_union(nl_type, ret);
1082 return 0;
1083 }
1084
1085 int type_system_union_get_type_system(const NLTypeSystemUnion *type_system_union, const NLTypeSystem **ret, const char *key) {
1086 int type;
1087
1088 assert(type_system_union);
1089 assert(type_system_union->match_type == NL_MATCH_SIBLING);
1090 assert(type_system_union->lookup);
1091 assert(type_system_union->type_systems);
1092 assert(ret);
1093 assert(key);
1094
1095 type = type_system_union->lookup(key);
1096 if (type < 0)
1097 return -EOPNOTSUPP;
1098
1099 assert(type < type_system_union->num);
1100
1101 *ret = &type_system_union->type_systems[type];
1102
1103 return 0;
1104 }
1105
1106 int type_system_union_protocol_get_type_system(const NLTypeSystemUnion *type_system_union, const NLTypeSystem **ret, uint16_t protocol) {
1107 const NLTypeSystem *type_system;
1108
1109 assert(type_system_union);
1110 assert(type_system_union->type_systems);
1111 assert(type_system_union->match_type == NL_MATCH_PROTOCOL);
1112 assert(ret);
1113
1114 if (protocol >= type_system_union->num)
1115 return -EOPNOTSUPP;
1116
1117 type_system = &type_system_union->type_systems[protocol];
1118 if (!type_system->types)
1119 return -EOPNOTSUPP;
1120
1121 *ret = type_system;
1122
1123 return 0;
1124 }