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sd-netlink: save dynamic general netlink message type
[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/nexthop.h>
22 #include <linux/l2tp.h>
23 #include <linux/veth.h>
24 #include <linux/wireguard.h>
25
26 #include "sd-netlink.h"
27
28 #include "generic-netlink.h"
29 #include "hashmap.h"
30 #include "macro.h"
31 #include "missing.h"
32 #include "netlink-internal.h"
33 #include "netlink-types.h"
34 #include "string-table.h"
35 #include "util.h"
36
37 /* Maximum ARP IP target defined in kernel */
38 #define BOND_MAX_ARP_TARGETS 16
39
40 typedef enum {
41 BOND_ARP_TARGETS_0,
42 BOND_ARP_TARGETS_1,
43 BOND_ARP_TARGETS_2,
44 BOND_ARP_TARGETS_3,
45 BOND_ARP_TARGETS_4,
46 BOND_ARP_TARGETS_5,
47 BOND_ARP_TARGETS_6,
48 BOND_ARP_TARGETS_7,
49 BOND_ARP_TARGETS_8,
50 BOND_ARP_TARGETS_9,
51 BOND_ARP_TARGETS_10,
52 BOND_ARP_TARGETS_11,
53 BOND_ARP_TARGETS_12,
54 BOND_ARP_TARGETS_13,
55 BOND_ARP_TARGETS_14,
56 BOND_ARP_TARGETS_MAX = BOND_MAX_ARP_TARGETS,
57 } BondArpTargets;
58
59 struct NLType {
60 uint16_t type;
61 size_t size;
62 const NLTypeSystem *type_system;
63 const NLTypeSystemUnion *type_system_union;
64 };
65
66 struct NLTypeSystem {
67 uint16_t count;
68 const NLType *types;
69 };
70
71 static const NLTypeSystem rtnl_link_type_system;
72
73 static const NLType empty_types[1] = {
74 /* fake array to avoid .types==NULL, which denotes invalid type-systems */
75 };
76
77 static const NLTypeSystem empty_type_system = {
78 .count = 0,
79 .types = empty_types,
80 };
81
82 static const NLType rtnl_link_info_data_veth_types[] = {
83 [VETH_INFO_PEER] = { .type = NETLINK_TYPE_NESTED, .type_system = &rtnl_link_type_system, .size = sizeof(struct ifinfomsg) },
84 };
85
86 static const NLType rtnl_link_info_data_vxcan_types[] = {
87 [VXCAN_INFO_PEER] = { .type = NETLINK_TYPE_NESTED, .type_system = &rtnl_link_type_system, .size = sizeof(struct ifinfomsg) },
88 };
89
90 static const NLType rtnl_link_info_data_ipvlan_types[] = {
91 [IFLA_IPVLAN_MODE] = { .type = NETLINK_TYPE_U16 },
92 [IFLA_IPVLAN_FLAGS] = { .type = NETLINK_TYPE_U16 },
93 };
94
95 static const NLType rtnl_link_info_data_macvlan_types[] = {
96 [IFLA_MACVLAN_MODE] = { .type = NETLINK_TYPE_U32 },
97 [IFLA_MACVLAN_FLAGS] = { .type = NETLINK_TYPE_U16 },
98 };
99
100 static const NLType rtnl_link_info_data_bridge_types[] = {
101 [IFLA_BR_FORWARD_DELAY] = { .type = NETLINK_TYPE_U32 },
102 [IFLA_BR_HELLO_TIME] = { .type = NETLINK_TYPE_U32 },
103 [IFLA_BR_MAX_AGE] = { .type = NETLINK_TYPE_U32 },
104 [IFLA_BR_AGEING_TIME] = { .type = NETLINK_TYPE_U32 },
105 [IFLA_BR_STP_STATE] = { .type = NETLINK_TYPE_U32 },
106 [IFLA_BR_PRIORITY] = { .type = NETLINK_TYPE_U16 },
107 [IFLA_BR_VLAN_FILTERING] = { .type = NETLINK_TYPE_U8 },
108 [IFLA_BR_VLAN_PROTOCOL] = { .type = NETLINK_TYPE_U16 },
109 [IFLA_BR_GROUP_FWD_MASK] = { .type = NETLINK_TYPE_U16 },
110 [IFLA_BR_ROOT_PORT] = { .type = NETLINK_TYPE_U16 },
111 [IFLA_BR_ROOT_PATH_COST] = { .type = NETLINK_TYPE_U32 },
112 [IFLA_BR_TOPOLOGY_CHANGE] = { .type = NETLINK_TYPE_U8 },
113 [IFLA_BR_TOPOLOGY_CHANGE_DETECTED] = { .type = NETLINK_TYPE_U8 },
114 [IFLA_BR_HELLO_TIMER] = { .type = NETLINK_TYPE_U16 },
115 [IFLA_BR_TCN_TIMER] = { .type = NETLINK_TYPE_U16 },
116 [IFLA_BR_TOPOLOGY_CHANGE_TIMER] = { .type = NETLINK_TYPE_U16 },
117 [IFLA_BR_GC_TIMER] = { .type = NETLINK_TYPE_U64 },
118 [IFLA_BR_GROUP_ADDR] = { .type = NETLINK_TYPE_U16 },
119 [IFLA_BR_FDB_FLUSH] = { .type = NETLINK_TYPE_U16 },
120 [IFLA_BR_MCAST_ROUTER] = { .type = NETLINK_TYPE_U8 },
121 [IFLA_BR_MCAST_SNOOPING] = { .type = NETLINK_TYPE_U8 },
122 [IFLA_BR_MCAST_QUERY_USE_IFADDR] = { .type = NETLINK_TYPE_U8 },
123 [IFLA_BR_MCAST_QUERIER] = { .type = NETLINK_TYPE_U8 },
124 [IFLA_BR_MCAST_HASH_ELASTICITY] = { .type = NETLINK_TYPE_U32 },
125 [IFLA_BR_MCAST_HASH_MAX] = { .type = NETLINK_TYPE_U16 },
126 [IFLA_BR_MCAST_LAST_MEMBER_CNT] = { .type = NETLINK_TYPE_U32 },
127 [IFLA_BR_MCAST_STARTUP_QUERY_CNT] = { .type = NETLINK_TYPE_U16 },
128 [IFLA_BR_MCAST_LAST_MEMBER_INTVL] = { .type = NETLINK_TYPE_U64 },
129 [IFLA_BR_MCAST_MEMBERSHIP_INTVL] = { .type = NETLINK_TYPE_U64 },
130 [IFLA_BR_MCAST_QUERIER_INTVL] = { .type = NETLINK_TYPE_U64 },
131 [IFLA_BR_MCAST_QUERY_INTVL] = { .type = NETLINK_TYPE_U64 },
132 [IFLA_BR_MCAST_QUERY_RESPONSE_INTVL] = { .type = NETLINK_TYPE_U64 },
133 [IFLA_BR_MCAST_STARTUP_QUERY_INTVL] = { .type = NETLINK_TYPE_U64 },
134 [IFLA_BR_NF_CALL_IPTABLES] = { .type = NETLINK_TYPE_U8 },
135 [IFLA_BR_NF_CALL_IP6TABLES] = { .type = NETLINK_TYPE_U8 },
136 [IFLA_BR_NF_CALL_ARPTABLES] = { .type = NETLINK_TYPE_U8 },
137 [IFLA_BR_VLAN_DEFAULT_PVID] = { .type = NETLINK_TYPE_U16 },
138 [IFLA_BR_MCAST_IGMP_VERSION] = { .type = NETLINK_TYPE_U8 },
139 };
140
141 static const NLType rtnl_link_info_data_vlan_types[] = {
142 [IFLA_VLAN_ID] = { .type = NETLINK_TYPE_U16 },
143 /*
144 [IFLA_VLAN_FLAGS] = { .len = sizeof(struct ifla_vlan_flags) },
145 [IFLA_VLAN_EGRESS_QOS] = { .type = NETLINK_TYPE_NESTED },
146 [IFLA_VLAN_INGRESS_QOS] = { .type = NETLINK_TYPE_NESTED },
147 */
148 [IFLA_VLAN_PROTOCOL] = { .type = NETLINK_TYPE_U16 },
149 };
150
151 static const NLType rtnl_link_info_data_vxlan_types[] = {
152 [IFLA_VXLAN_ID] = { .type = NETLINK_TYPE_U32 },
153 [IFLA_VXLAN_GROUP] = { .type = NETLINK_TYPE_IN_ADDR },
154 [IFLA_VXLAN_LINK] = { .type = NETLINK_TYPE_U32 },
155 [IFLA_VXLAN_LOCAL] = { .type = NETLINK_TYPE_IN_ADDR },
156 [IFLA_VXLAN_TTL] = { .type = NETLINK_TYPE_U8 },
157 [IFLA_VXLAN_TOS] = { .type = NETLINK_TYPE_U8 },
158 [IFLA_VXLAN_LEARNING] = { .type = NETLINK_TYPE_U8 },
159 [IFLA_VXLAN_AGEING] = { .type = NETLINK_TYPE_U32 },
160 [IFLA_VXLAN_LIMIT] = { .type = NETLINK_TYPE_U32 },
161 [IFLA_VXLAN_PORT_RANGE] = { .type = NETLINK_TYPE_U32},
162 [IFLA_VXLAN_PROXY] = { .type = NETLINK_TYPE_U8 },
163 [IFLA_VXLAN_RSC] = { .type = NETLINK_TYPE_U8 },
164 [IFLA_VXLAN_L2MISS] = { .type = NETLINK_TYPE_U8 },
165 [IFLA_VXLAN_L3MISS] = { .type = NETLINK_TYPE_U8 },
166 [IFLA_VXLAN_PORT] = { .type = NETLINK_TYPE_U16 },
167 [IFLA_VXLAN_GROUP6] = { .type = NETLINK_TYPE_IN_ADDR },
168 [IFLA_VXLAN_LOCAL6] = { .type = NETLINK_TYPE_IN_ADDR },
169 [IFLA_VXLAN_UDP_CSUM] = { .type = NETLINK_TYPE_U8 },
170 [IFLA_VXLAN_UDP_ZERO_CSUM6_TX] = { .type = NETLINK_TYPE_U8 },
171 [IFLA_VXLAN_UDP_ZERO_CSUM6_RX] = { .type = NETLINK_TYPE_U8 },
172 [IFLA_VXLAN_REMCSUM_TX] = { .type = NETLINK_TYPE_U8 },
173 [IFLA_VXLAN_REMCSUM_RX] = { .type = NETLINK_TYPE_U8 },
174 [IFLA_VXLAN_GBP] = { .type = NETLINK_TYPE_FLAG },
175 [IFLA_VXLAN_REMCSUM_NOPARTIAL] = { .type = NETLINK_TYPE_FLAG },
176 [IFLA_VXLAN_COLLECT_METADATA] = { .type = NETLINK_TYPE_U8 },
177 [IFLA_VXLAN_LABEL] = { .type = NETLINK_TYPE_U32 },
178 [IFLA_VXLAN_GPE] = { .type = NETLINK_TYPE_FLAG },
179 [IFLA_VXLAN_TTL_INHERIT] = { .type = NETLINK_TYPE_FLAG },
180 [IFLA_VXLAN_DF] = { .type = NETLINK_TYPE_U8 },
181 };
182
183 static const NLType rtnl_bond_arp_target_types[] = {
184 [BOND_ARP_TARGETS_0] = { .type = NETLINK_TYPE_U32 },
185 [BOND_ARP_TARGETS_1] = { .type = NETLINK_TYPE_U32 },
186 [BOND_ARP_TARGETS_2] = { .type = NETLINK_TYPE_U32 },
187 [BOND_ARP_TARGETS_3] = { .type = NETLINK_TYPE_U32 },
188 [BOND_ARP_TARGETS_4] = { .type = NETLINK_TYPE_U32 },
189 [BOND_ARP_TARGETS_5] = { .type = NETLINK_TYPE_U32 },
190 [BOND_ARP_TARGETS_6] = { .type = NETLINK_TYPE_U32 },
191 [BOND_ARP_TARGETS_7] = { .type = NETLINK_TYPE_U32 },
192 [BOND_ARP_TARGETS_8] = { .type = NETLINK_TYPE_U32 },
193 [BOND_ARP_TARGETS_9] = { .type = NETLINK_TYPE_U32 },
194 [BOND_ARP_TARGETS_10] = { .type = NETLINK_TYPE_U32 },
195 [BOND_ARP_TARGETS_11] = { .type = NETLINK_TYPE_U32 },
196 [BOND_ARP_TARGETS_12] = { .type = NETLINK_TYPE_U32 },
197 [BOND_ARP_TARGETS_13] = { .type = NETLINK_TYPE_U32 },
198 [BOND_ARP_TARGETS_14] = { .type = NETLINK_TYPE_U32 },
199 [BOND_ARP_TARGETS_MAX] = { .type = NETLINK_TYPE_U32 },
200 };
201
202 static const NLTypeSystem rtnl_bond_arp_type_system = {
203 .count = ELEMENTSOF(rtnl_bond_arp_target_types),
204 .types = rtnl_bond_arp_target_types,
205 };
206
207 static const NLType rtnl_link_info_data_bond_types[] = {
208 [IFLA_BOND_MODE] = { .type = NETLINK_TYPE_U8 },
209 [IFLA_BOND_ACTIVE_SLAVE] = { .type = NETLINK_TYPE_U32 },
210 [IFLA_BOND_MIIMON] = { .type = NETLINK_TYPE_U32 },
211 [IFLA_BOND_UPDELAY] = { .type = NETLINK_TYPE_U32 },
212 [IFLA_BOND_DOWNDELAY] = { .type = NETLINK_TYPE_U32 },
213 [IFLA_BOND_USE_CARRIER] = { .type = NETLINK_TYPE_U8 },
214 [IFLA_BOND_ARP_INTERVAL] = { .type = NETLINK_TYPE_U32 },
215 [IFLA_BOND_ARP_IP_TARGET] = { .type = NETLINK_TYPE_NESTED, .type_system = &rtnl_bond_arp_type_system },
216 [IFLA_BOND_ARP_VALIDATE] = { .type = NETLINK_TYPE_U32 },
217 [IFLA_BOND_ARP_ALL_TARGETS] = { .type = NETLINK_TYPE_U32 },
218 [IFLA_BOND_PRIMARY] = { .type = NETLINK_TYPE_U32 },
219 [IFLA_BOND_PRIMARY_RESELECT] = { .type = NETLINK_TYPE_U8 },
220 [IFLA_BOND_FAIL_OVER_MAC] = { .type = NETLINK_TYPE_U8 },
221 [IFLA_BOND_XMIT_HASH_POLICY] = { .type = NETLINK_TYPE_U8 },
222 [IFLA_BOND_RESEND_IGMP] = { .type = NETLINK_TYPE_U32 },
223 [IFLA_BOND_NUM_PEER_NOTIF] = { .type = NETLINK_TYPE_U8 },
224 [IFLA_BOND_ALL_SLAVES_ACTIVE] = { .type = NETLINK_TYPE_U8 },
225 [IFLA_BOND_MIN_LINKS] = { .type = NETLINK_TYPE_U32 },
226 [IFLA_BOND_LP_INTERVAL] = { .type = NETLINK_TYPE_U32 },
227 [IFLA_BOND_PACKETS_PER_SLAVE] = { .type = NETLINK_TYPE_U32 },
228 [IFLA_BOND_AD_LACP_RATE] = { .type = NETLINK_TYPE_U8 },
229 [IFLA_BOND_AD_SELECT] = { .type = NETLINK_TYPE_U8 },
230 [IFLA_BOND_AD_INFO] = { .type = NETLINK_TYPE_NESTED },
231 [IFLA_BOND_AD_ACTOR_SYS_PRIO] = { .type = NETLINK_TYPE_U16 },
232 [IFLA_BOND_AD_USER_PORT_KEY] = { .type = NETLINK_TYPE_U16 },
233 [IFLA_BOND_AD_ACTOR_SYSTEM] = { .type = NETLINK_TYPE_ETHER_ADDR },
234 [IFLA_BOND_TLB_DYNAMIC_LB] = { .type = NETLINK_TYPE_U8 },
235 };
236
237 static const NLType rtnl_link_info_data_iptun_types[] = {
238 [IFLA_IPTUN_LINK] = { .type = NETLINK_TYPE_U32 },
239 [IFLA_IPTUN_LOCAL] = { .type = NETLINK_TYPE_IN_ADDR },
240 [IFLA_IPTUN_REMOTE] = { .type = NETLINK_TYPE_IN_ADDR },
241 [IFLA_IPTUN_TTL] = { .type = NETLINK_TYPE_U8 },
242 [IFLA_IPTUN_TOS] = { .type = NETLINK_TYPE_U8 },
243 [IFLA_IPTUN_PMTUDISC] = { .type = NETLINK_TYPE_U8 },
244 [IFLA_IPTUN_FLAGS] = { .type = NETLINK_TYPE_U16 },
245 [IFLA_IPTUN_PROTO] = { .type = NETLINK_TYPE_U8 },
246 [IFLA_IPTUN_6RD_PREFIX] = { .type = NETLINK_TYPE_IN_ADDR },
247 [IFLA_IPTUN_6RD_RELAY_PREFIX] = { .type = NETLINK_TYPE_U32 },
248 [IFLA_IPTUN_6RD_PREFIXLEN] = { .type = NETLINK_TYPE_U16 },
249 [IFLA_IPTUN_6RD_RELAY_PREFIXLEN] = { .type = NETLINK_TYPE_U16 },
250 [IFLA_IPTUN_ENCAP_TYPE] = { .type = NETLINK_TYPE_U16 },
251 [IFLA_IPTUN_ENCAP_FLAGS] = { .type = NETLINK_TYPE_U16 },
252 [IFLA_IPTUN_ENCAP_SPORT] = { .type = NETLINK_TYPE_U16 },
253 [IFLA_IPTUN_ENCAP_DPORT] = { .type = NETLINK_TYPE_U16 },
254 };
255
256 static const NLType rtnl_link_info_data_ipgre_types[] = {
257 [IFLA_GRE_LINK] = { .type = NETLINK_TYPE_U32 },
258 [IFLA_GRE_IFLAGS] = { .type = NETLINK_TYPE_U16 },
259 [IFLA_GRE_OFLAGS] = { .type = NETLINK_TYPE_U16 },
260 [IFLA_GRE_IKEY] = { .type = NETLINK_TYPE_U32 },
261 [IFLA_GRE_OKEY] = { .type = NETLINK_TYPE_U32 },
262 [IFLA_GRE_LOCAL] = { .type = NETLINK_TYPE_IN_ADDR },
263 [IFLA_GRE_REMOTE] = { .type = NETLINK_TYPE_IN_ADDR },
264 [IFLA_GRE_TTL] = { .type = NETLINK_TYPE_U8 },
265 [IFLA_GRE_TOS] = { .type = NETLINK_TYPE_U8 },
266 [IFLA_GRE_PMTUDISC] = { .type = NETLINK_TYPE_U8 },
267 [IFLA_GRE_FLOWINFO] = { .type = NETLINK_TYPE_U32 },
268 [IFLA_GRE_FLAGS] = { .type = NETLINK_TYPE_U32 },
269 [IFLA_GRE_ENCAP_TYPE] = { .type = NETLINK_TYPE_U16 },
270 [IFLA_GRE_ENCAP_FLAGS] = { .type = NETLINK_TYPE_U16 },
271 [IFLA_GRE_ENCAP_SPORT] = { .type = NETLINK_TYPE_U16 },
272 [IFLA_GRE_ENCAP_DPORT] = { .type = NETLINK_TYPE_U16 },
273 [IFLA_GRE_ERSPAN_INDEX] = { .type = NETLINK_TYPE_U32 },
274 };
275
276 static const NLType rtnl_link_info_data_ipvti_types[] = {
277 [IFLA_VTI_LINK] = { .type = NETLINK_TYPE_U32 },
278 [IFLA_VTI_IKEY] = { .type = NETLINK_TYPE_U32 },
279 [IFLA_VTI_OKEY] = { .type = NETLINK_TYPE_U32 },
280 [IFLA_VTI_LOCAL] = { .type = NETLINK_TYPE_IN_ADDR },
281 [IFLA_VTI_REMOTE] = { .type = NETLINK_TYPE_IN_ADDR },
282 };
283
284 static const NLType rtnl_link_info_data_ip6tnl_types[] = {
285 [IFLA_IPTUN_LINK] = { .type = NETLINK_TYPE_U32 },
286 [IFLA_IPTUN_LOCAL] = { .type = NETLINK_TYPE_IN_ADDR },
287 [IFLA_IPTUN_REMOTE] = { .type = NETLINK_TYPE_IN_ADDR },
288 [IFLA_IPTUN_TTL] = { .type = NETLINK_TYPE_U8 },
289 [IFLA_IPTUN_FLAGS] = { .type = NETLINK_TYPE_U32 },
290 [IFLA_IPTUN_PROTO] = { .type = NETLINK_TYPE_U8 },
291 [IFLA_IPTUN_ENCAP_LIMIT] = { .type = NETLINK_TYPE_U8 },
292 [IFLA_IPTUN_FLOWINFO] = { .type = NETLINK_TYPE_U32 },
293 };
294
295 static const NLType rtnl_link_info_data_vrf_types[] = {
296 [IFLA_VRF_TABLE] = { .type = NETLINK_TYPE_U32 },
297 };
298
299 static const NLType rtnl_link_info_data_geneve_types[] = {
300 [IFLA_GENEVE_ID] = { .type = NETLINK_TYPE_U32 },
301 [IFLA_GENEVE_TTL] = { .type = NETLINK_TYPE_U8 },
302 [IFLA_GENEVE_TOS] = { .type = NETLINK_TYPE_U8 },
303 [IFLA_GENEVE_PORT] = { .type = NETLINK_TYPE_U16 },
304 [IFLA_GENEVE_REMOTE] = { .type = NETLINK_TYPE_IN_ADDR },
305 [IFLA_GENEVE_REMOTE6] = { .type = NETLINK_TYPE_IN_ADDR },
306 [IFLA_GENEVE_UDP_CSUM] = { .type = NETLINK_TYPE_U8 },
307 [IFLA_GENEVE_UDP_ZERO_CSUM6_TX] = { .type = NETLINK_TYPE_U8 },
308 [IFLA_GENEVE_UDP_ZERO_CSUM6_RX] = { .type = NETLINK_TYPE_U8 },
309 [IFLA_GENEVE_LABEL] = { .type = NETLINK_TYPE_U32 },
310 [IFLA_GENEVE_TTL_INHERIT] = { .type = NETLINK_TYPE_U8 },
311 [IFLA_GENEVE_DF] = { .type = NETLINK_TYPE_U8 },
312 };
313
314 static const NLType rtnl_link_info_data_can_types[] = {
315 [IFLA_CAN_BITTIMING] = { .size = sizeof(struct can_bittiming) },
316 [IFLA_CAN_RESTART_MS] = { .type = NETLINK_TYPE_U32 },
317 [IFLA_CAN_CTRLMODE] = { .size = sizeof(struct can_ctrlmode) },
318 };
319
320 static const NLType rtnl_link_info_data_macsec_types[] = {
321 [IFLA_MACSEC_SCI] = { .type = NETLINK_TYPE_U64 },
322 [IFLA_MACSEC_PORT] = { .type = NETLINK_TYPE_U16 },
323 [IFLA_MACSEC_ICV_LEN] = { .type = NETLINK_TYPE_U8 },
324 [IFLA_MACSEC_CIPHER_SUITE] = { .type = NETLINK_TYPE_U64 },
325 [IFLA_MACSEC_WINDOW] = { .type = NETLINK_TYPE_U32 },
326 [IFLA_MACSEC_ENCODING_SA] = { .type = NETLINK_TYPE_U8 },
327 [IFLA_MACSEC_ENCRYPT] = { .type = NETLINK_TYPE_U8 },
328 [IFLA_MACSEC_PROTECT] = { .type = NETLINK_TYPE_U8 },
329 [IFLA_MACSEC_INC_SCI] = { .type = NETLINK_TYPE_U8 },
330 [IFLA_MACSEC_ES] = { .type = NETLINK_TYPE_U8 },
331 [IFLA_MACSEC_SCB] = { .type = NETLINK_TYPE_U8 },
332 [IFLA_MACSEC_REPLAY_PROTECT] = { .type = NETLINK_TYPE_U8 },
333 [IFLA_MACSEC_VALIDATION] = { .type = NETLINK_TYPE_U8 },
334 };
335
336 static const NLType rtnl_link_info_data_xfrm_types[] = {
337 [IFLA_XFRM_LINK] = { .type = NETLINK_TYPE_U32 },
338 [IFLA_XFRM_IF_ID] = { .type = NETLINK_TYPE_U32 }
339 };
340
341 /* these strings must match the .kind entries in the kernel */
342 static const char* const nl_union_link_info_data_table[] = {
343 [NL_UNION_LINK_INFO_DATA_BOND] = "bond",
344 [NL_UNION_LINK_INFO_DATA_BRIDGE] = "bridge",
345 [NL_UNION_LINK_INFO_DATA_VLAN] = "vlan",
346 [NL_UNION_LINK_INFO_DATA_VETH] = "veth",
347 [NL_UNION_LINK_INFO_DATA_DUMMY] = "dummy",
348 [NL_UNION_LINK_INFO_DATA_MACVLAN] = "macvlan",
349 [NL_UNION_LINK_INFO_DATA_MACVTAP] = "macvtap",
350 [NL_UNION_LINK_INFO_DATA_IPVLAN] = "ipvlan",
351 [NL_UNION_LINK_INFO_DATA_IPVTAP] = "ipvtap",
352 [NL_UNION_LINK_INFO_DATA_VXLAN] = "vxlan",
353 [NL_UNION_LINK_INFO_DATA_IPIP_TUNNEL] = "ipip",
354 [NL_UNION_LINK_INFO_DATA_IPGRE_TUNNEL] = "gre",
355 [NL_UNION_LINK_INFO_DATA_ERSPAN] = "erspan",
356 [NL_UNION_LINK_INFO_DATA_IPGRETAP_TUNNEL] = "gretap",
357 [NL_UNION_LINK_INFO_DATA_IP6GRE_TUNNEL] = "ip6gre",
358 [NL_UNION_LINK_INFO_DATA_IP6GRETAP_TUNNEL] = "ip6gretap",
359 [NL_UNION_LINK_INFO_DATA_SIT_TUNNEL] = "sit",
360 [NL_UNION_LINK_INFO_DATA_VTI_TUNNEL] = "vti",
361 [NL_UNION_LINK_INFO_DATA_VTI6_TUNNEL] = "vti6",
362 [NL_UNION_LINK_INFO_DATA_IP6TNL_TUNNEL] = "ip6tnl",
363 [NL_UNION_LINK_INFO_DATA_VRF] = "vrf",
364 [NL_UNION_LINK_INFO_DATA_VCAN] = "vcan",
365 [NL_UNION_LINK_INFO_DATA_GENEVE] = "geneve",
366 [NL_UNION_LINK_INFO_DATA_VXCAN] = "vxcan",
367 [NL_UNION_LINK_INFO_DATA_WIREGUARD] = "wireguard",
368 [NL_UNION_LINK_INFO_DATA_NETDEVSIM] = "netdevsim",
369 [NL_UNION_LINK_INFO_DATA_CAN] = "can",
370 [NL_UNION_LINK_INFO_DATA_MACSEC] = "macsec",
371 [NL_UNION_LINK_INFO_DATA_NLMON] = "nlmon",
372 [NL_UNION_LINK_INFO_DATA_XFRM] = "xfrm",
373 };
374
375 DEFINE_STRING_TABLE_LOOKUP(nl_union_link_info_data, NLUnionLinkInfoData);
376
377 static const NLTypeSystem rtnl_link_info_data_type_systems[] = {
378 [NL_UNION_LINK_INFO_DATA_BOND] = { .count = ELEMENTSOF(rtnl_link_info_data_bond_types),
379 .types = rtnl_link_info_data_bond_types },
380 [NL_UNION_LINK_INFO_DATA_BRIDGE] = { .count = ELEMENTSOF(rtnl_link_info_data_bridge_types),
381 .types = rtnl_link_info_data_bridge_types },
382 [NL_UNION_LINK_INFO_DATA_VLAN] = { .count = ELEMENTSOF(rtnl_link_info_data_vlan_types),
383 .types = rtnl_link_info_data_vlan_types },
384 [NL_UNION_LINK_INFO_DATA_VETH] = { .count = ELEMENTSOF(rtnl_link_info_data_veth_types),
385 .types = rtnl_link_info_data_veth_types },
386 [NL_UNION_LINK_INFO_DATA_MACVLAN] = { .count = ELEMENTSOF(rtnl_link_info_data_macvlan_types),
387 .types = rtnl_link_info_data_macvlan_types },
388 [NL_UNION_LINK_INFO_DATA_MACVTAP] = { .count = ELEMENTSOF(rtnl_link_info_data_macvlan_types),
389 .types = rtnl_link_info_data_macvlan_types },
390 [NL_UNION_LINK_INFO_DATA_IPVLAN] = { .count = ELEMENTSOF(rtnl_link_info_data_ipvlan_types),
391 .types = rtnl_link_info_data_ipvlan_types },
392 [NL_UNION_LINK_INFO_DATA_IPVTAP] = { .count = ELEMENTSOF(rtnl_link_info_data_ipvlan_types),
393 .types = rtnl_link_info_data_ipvlan_types },
394 [NL_UNION_LINK_INFO_DATA_VXLAN] = { .count = ELEMENTSOF(rtnl_link_info_data_vxlan_types),
395 .types = rtnl_link_info_data_vxlan_types },
396 [NL_UNION_LINK_INFO_DATA_IPIP_TUNNEL] = { .count = ELEMENTSOF(rtnl_link_info_data_iptun_types),
397 .types = rtnl_link_info_data_iptun_types },
398 [NL_UNION_LINK_INFO_DATA_IPGRE_TUNNEL] = { .count = ELEMENTSOF(rtnl_link_info_data_ipgre_types),
399 .types = rtnl_link_info_data_ipgre_types },
400 [NL_UNION_LINK_INFO_DATA_ERSPAN] = { .count = ELEMENTSOF(rtnl_link_info_data_ipgre_types),
401 .types = rtnl_link_info_data_ipgre_types },
402 [NL_UNION_LINK_INFO_DATA_IPGRETAP_TUNNEL] = { .count = ELEMENTSOF(rtnl_link_info_data_ipgre_types),
403 .types = rtnl_link_info_data_ipgre_types },
404 [NL_UNION_LINK_INFO_DATA_IP6GRE_TUNNEL] = { .count = ELEMENTSOF(rtnl_link_info_data_ipgre_types),
405 .types = rtnl_link_info_data_ipgre_types },
406 [NL_UNION_LINK_INFO_DATA_IP6GRETAP_TUNNEL] = { .count = ELEMENTSOF(rtnl_link_info_data_ipgre_types),
407 .types = rtnl_link_info_data_ipgre_types },
408 [NL_UNION_LINK_INFO_DATA_SIT_TUNNEL] = { .count = ELEMENTSOF(rtnl_link_info_data_iptun_types),
409 .types = rtnl_link_info_data_iptun_types },
410 [NL_UNION_LINK_INFO_DATA_VTI_TUNNEL] = { .count = ELEMENTSOF(rtnl_link_info_data_ipvti_types),
411 .types = rtnl_link_info_data_ipvti_types },
412 [NL_UNION_LINK_INFO_DATA_VTI6_TUNNEL] = { .count = ELEMENTSOF(rtnl_link_info_data_ipvti_types),
413 .types = rtnl_link_info_data_ipvti_types },
414 [NL_UNION_LINK_INFO_DATA_IP6TNL_TUNNEL] = { .count = ELEMENTSOF(rtnl_link_info_data_ip6tnl_types),
415 .types = rtnl_link_info_data_ip6tnl_types },
416 [NL_UNION_LINK_INFO_DATA_VRF] = { .count = ELEMENTSOF(rtnl_link_info_data_vrf_types),
417 .types = rtnl_link_info_data_vrf_types },
418 [NL_UNION_LINK_INFO_DATA_GENEVE] = { .count = ELEMENTSOF(rtnl_link_info_data_geneve_types),
419 .types = rtnl_link_info_data_geneve_types },
420 [NL_UNION_LINK_INFO_DATA_VXCAN] = { .count = ELEMENTSOF(rtnl_link_info_data_vxcan_types),
421 .types = rtnl_link_info_data_vxcan_types },
422 [NL_UNION_LINK_INFO_DATA_CAN] = { .count = ELEMENTSOF(rtnl_link_info_data_can_types),
423 .types = rtnl_link_info_data_can_types },
424 [NL_UNION_LINK_INFO_DATA_MACSEC] = { .count = ELEMENTSOF(rtnl_link_info_data_macsec_types),
425 .types = rtnl_link_info_data_macsec_types },
426 [NL_UNION_LINK_INFO_DATA_XFRM] = { .count = ELEMENTSOF(rtnl_link_info_data_xfrm_types),
427 .types = rtnl_link_info_data_xfrm_types },
428 };
429
430 static const NLTypeSystemUnion rtnl_link_info_data_type_system_union = {
431 .num = _NL_UNION_LINK_INFO_DATA_MAX,
432 .lookup = nl_union_link_info_data_from_string,
433 .type_systems = rtnl_link_info_data_type_systems,
434 .match_type = NL_MATCH_SIBLING,
435 .match = IFLA_INFO_KIND,
436 };
437
438 static const NLType rtnl_link_info_types[] = {
439 [IFLA_INFO_KIND] = { .type = NETLINK_TYPE_STRING },
440 [IFLA_INFO_DATA] = { .type = NETLINK_TYPE_UNION, .type_system_union = &rtnl_link_info_data_type_system_union},
441 /*
442 [IFLA_INFO_XSTATS],
443 [IFLA_INFO_SLAVE_KIND] = { .type = NETLINK_TYPE_STRING },
444 [IFLA_INFO_SLAVE_DATA] = { .type = NETLINK_TYPE_NESTED },
445 */
446 };
447
448 static const NLTypeSystem rtnl_link_info_type_system = {
449 .count = ELEMENTSOF(rtnl_link_info_types),
450 .types = rtnl_link_info_types,
451 };
452
453 static const struct NLType rtnl_prot_info_bridge_port_types[] = {
454 [IFLA_BRPORT_STATE] = { .type = NETLINK_TYPE_U8 },
455 [IFLA_BRPORT_COST] = { .type = NETLINK_TYPE_U32 },
456 [IFLA_BRPORT_PRIORITY] = { .type = NETLINK_TYPE_U16 },
457 [IFLA_BRPORT_MODE] = { .type = NETLINK_TYPE_U8 },
458 [IFLA_BRPORT_GUARD] = { .type = NETLINK_TYPE_U8 },
459 [IFLA_BRPORT_PROTECT] = { .type = NETLINK_TYPE_U8 },
460 [IFLA_BRPORT_FAST_LEAVE] = { .type = NETLINK_TYPE_U8 },
461 [IFLA_BRPORT_LEARNING] = { .type = NETLINK_TYPE_U8 },
462 [IFLA_BRPORT_UNICAST_FLOOD] = { .type = NETLINK_TYPE_U8 },
463 [IFLA_BRPORT_PROXYARP] = { .type = NETLINK_TYPE_U8 },
464 [IFLA_BRPORT_LEARNING_SYNC] = { .type = NETLINK_TYPE_U8 },
465 [IFLA_BRPORT_PROXYARP_WIFI] = { .type = NETLINK_TYPE_U8 },
466 [IFLA_BRPORT_ROOT_ID] = { .type = NETLINK_TYPE_U8 },
467 [IFLA_BRPORT_BRIDGE_ID] = { .type = NETLINK_TYPE_U8 },
468 [IFLA_BRPORT_DESIGNATED_PORT] = { .type = NETLINK_TYPE_U16 },
469 [IFLA_BRPORT_DESIGNATED_COST] = { .type = NETLINK_TYPE_U16 },
470 [IFLA_BRPORT_ID] = { .type = NETLINK_TYPE_U16 },
471 [IFLA_BRPORT_NO] = { .type = NETLINK_TYPE_U16 },
472 [IFLA_BRPORT_TOPOLOGY_CHANGE_ACK] = { .type = NETLINK_TYPE_U8 },
473 [IFLA_BRPORT_CONFIG_PENDING] = { .type = NETLINK_TYPE_U8 },
474 [IFLA_BRPORT_MESSAGE_AGE_TIMER] = { .type = NETLINK_TYPE_U64 },
475 [IFLA_BRPORT_FORWARD_DELAY_TIMER] = { .type = NETLINK_TYPE_U64 },
476 [IFLA_BRPORT_HOLD_TIMER] = { .type = NETLINK_TYPE_U64 },
477 [IFLA_BRPORT_FLUSH] = { .type = NETLINK_TYPE_U8 },
478 [IFLA_BRPORT_MULTICAST_ROUTER] = { .type = NETLINK_TYPE_U8 },
479 [IFLA_BRPORT_PAD] = { .type = NETLINK_TYPE_U8 },
480 [IFLA_BRPORT_MCAST_FLOOD] = { .type = NETLINK_TYPE_U8 },
481 [IFLA_BRPORT_MCAST_TO_UCAST] = { .type = NETLINK_TYPE_U8 },
482 [IFLA_BRPORT_VLAN_TUNNEL] = { .type = NETLINK_TYPE_U8 },
483 [IFLA_BRPORT_BCAST_FLOOD] = { .type = NETLINK_TYPE_U8 },
484 [IFLA_BRPORT_GROUP_FWD_MASK] = { .type = NETLINK_TYPE_U16 },
485 [IFLA_BRPORT_NEIGH_SUPPRESS] = { .type = NETLINK_TYPE_U8 },
486 [IFLA_BRPORT_ISOLATED] = { .type = NETLINK_TYPE_U8 },
487 [IFLA_BRPORT_BACKUP_PORT] = { .type = NETLINK_TYPE_U32 },
488 };
489
490 static const NLTypeSystem rtnl_prot_info_type_systems[] = {
491 [AF_BRIDGE] = { .count = ELEMENTSOF(rtnl_prot_info_bridge_port_types),
492 .types = rtnl_prot_info_bridge_port_types },
493 };
494
495 static const NLTypeSystemUnion rtnl_prot_info_type_system_union = {
496 .num = AF_MAX,
497 .type_systems = rtnl_prot_info_type_systems,
498 .match_type = NL_MATCH_PROTOCOL,
499 };
500
501 static const struct NLType rtnl_af_spec_inet6_types[] = {
502 [IFLA_INET6_FLAGS] = { .type = NETLINK_TYPE_U32 },
503 /*
504 IFLA_INET6_CONF,
505 IFLA_INET6_STATS,
506 IFLA_INET6_MCAST,
507 IFLA_INET6_CACHEINFO,
508 IFLA_INET6_ICMP6STATS,
509 */
510 [IFLA_INET6_TOKEN] = { .type = NETLINK_TYPE_IN_ADDR },
511 [IFLA_INET6_ADDR_GEN_MODE] = { .type = NETLINK_TYPE_U8 },
512 };
513
514 static const NLTypeSystem rtnl_af_spec_inet6_type_system = {
515 .count = ELEMENTSOF(rtnl_af_spec_inet6_types),
516 .types = rtnl_af_spec_inet6_types,
517 };
518
519 static const NLType rtnl_af_spec_types[] = {
520 [AF_INET6] = { .type = NETLINK_TYPE_NESTED, .type_system = &rtnl_af_spec_inet6_type_system },
521 };
522
523 static const NLTypeSystem rtnl_af_spec_type_system = {
524 .count = ELEMENTSOF(rtnl_af_spec_types),
525 .types = rtnl_af_spec_types,
526 };
527
528 static const NLType rtnl_link_types[] = {
529 [IFLA_ADDRESS] = { .type = NETLINK_TYPE_ETHER_ADDR },
530 [IFLA_BROADCAST] = { .type = NETLINK_TYPE_ETHER_ADDR },
531 [IFLA_IFNAME] = { .type = NETLINK_TYPE_STRING, .size = IFNAMSIZ - 1 },
532 [IFLA_MTU] = { .type = NETLINK_TYPE_U32 },
533 [IFLA_LINK] = { .type = NETLINK_TYPE_U32 },
534 /*
535 [IFLA_QDISC],
536 */
537 [IFLA_STATS] = { .size = sizeof(struct rtnl_link_stats) },
538 /*
539 [IFLA_COST],
540 [IFLA_PRIORITY],
541 */
542 [IFLA_MASTER] = { .type = NETLINK_TYPE_U32 },
543 /*
544 [IFLA_WIRELESS],
545 */
546 [IFLA_PROTINFO] = { .type = NETLINK_TYPE_UNION, .type_system_union = &rtnl_prot_info_type_system_union },
547 [IFLA_TXQLEN] = { .type = NETLINK_TYPE_U32 },
548 /*
549 [IFLA_MAP] = { .len = sizeof(struct rtnl_link_ifmap) },
550 */
551 [IFLA_WEIGHT] = { .type = NETLINK_TYPE_U32 },
552 [IFLA_OPERSTATE] = { .type = NETLINK_TYPE_U8 },
553 [IFLA_LINKMODE] = { .type = NETLINK_TYPE_U8 },
554 [IFLA_LINKINFO] = { .type = NETLINK_TYPE_NESTED, .type_system = &rtnl_link_info_type_system },
555 [IFLA_NET_NS_PID] = { .type = NETLINK_TYPE_U32 },
556 [IFLA_IFALIAS] = { .type = NETLINK_TYPE_STRING, .size = IFALIASZ - 1 },
557 /*
558 [IFLA_NUM_VF],
559 [IFLA_VFINFO_LIST] = {. type = NETLINK_TYPE_NESTED, },
560 */
561 [IFLA_STATS64] = { .size = sizeof(struct rtnl_link_stats64) },
562 /*
563 [IFLA_VF_PORTS] = { .type = NETLINK_TYPE_NESTED },
564 [IFLA_PORT_SELF] = { .type = NETLINK_TYPE_NESTED },
565 */
566 [IFLA_AF_SPEC] = { .type = NETLINK_TYPE_NESTED, .type_system = &rtnl_af_spec_type_system },
567 /*
568 [IFLA_VF_PORTS],
569 [IFLA_PORT_SELF],
570 [IFLA_AF_SPEC],
571 */
572 [IFLA_GROUP] = { .type = NETLINK_TYPE_U32 },
573 [IFLA_NET_NS_FD] = { .type = NETLINK_TYPE_U32 },
574 [IFLA_EXT_MASK] = { .type = NETLINK_TYPE_U32 },
575 [IFLA_PROMISCUITY] = { .type = NETLINK_TYPE_U32 },
576 [IFLA_NUM_TX_QUEUES] = { .type = NETLINK_TYPE_U32 },
577 [IFLA_NUM_RX_QUEUES] = { .type = NETLINK_TYPE_U32 },
578 [IFLA_CARRIER] = { .type = NETLINK_TYPE_U8 },
579 /*
580 [IFLA_PHYS_PORT_ID] = { .type = NETLINK_TYPE_BINARY, .len = MAX_PHYS_PORT_ID_LEN },
581 */
582 [IFLA_MIN_MTU] = { .type = NETLINK_TYPE_U32 },
583 [IFLA_MAX_MTU] = { .type = NETLINK_TYPE_U32 },
584 };
585
586 static const NLTypeSystem rtnl_link_type_system = {
587 .count = ELEMENTSOF(rtnl_link_types),
588 .types = rtnl_link_types,
589 };
590
591 /* IFA_FLAGS was defined in kernel 3.14, but we still support older
592 * kernels where IFA_MAX is lower. */
593 static const NLType rtnl_address_types[] = {
594 [IFA_ADDRESS] = { .type = NETLINK_TYPE_IN_ADDR },
595 [IFA_LOCAL] = { .type = NETLINK_TYPE_IN_ADDR },
596 [IFA_LABEL] = { .type = NETLINK_TYPE_STRING, .size = IFNAMSIZ - 1 },
597 [IFA_BROADCAST] = { .type = NETLINK_TYPE_IN_ADDR }, /* 6? */
598 [IFA_CACHEINFO] = { .type = NETLINK_TYPE_CACHE_INFO, .size = sizeof(struct ifa_cacheinfo) },
599 /*
600 [IFA_ANYCAST],
601 [IFA_MULTICAST],
602 */
603 [IFA_FLAGS] = { .type = NETLINK_TYPE_U32 },
604 };
605
606 static const NLTypeSystem rtnl_address_type_system = {
607 .count = ELEMENTSOF(rtnl_address_types),
608 .types = rtnl_address_types,
609 };
610
611 /* RTM_METRICS --- array of struct rtattr with types of RTAX_* */
612
613 static const NLType rtnl_route_metrics_types[] = {
614 [RTAX_MTU] = { .type = NETLINK_TYPE_U32 },
615 [RTAX_WINDOW] = { .type = NETLINK_TYPE_U32 },
616 [RTAX_RTT] = { .type = NETLINK_TYPE_U32 },
617 [RTAX_RTTVAR] = { .type = NETLINK_TYPE_U32 },
618 [RTAX_SSTHRESH] = { .type = NETLINK_TYPE_U32 },
619 [RTAX_CWND] = { .type = NETLINK_TYPE_U32 },
620 [RTAX_ADVMSS] = { .type = NETLINK_TYPE_U32 },
621 [RTAX_REORDERING] = { .type = NETLINK_TYPE_U32 },
622 [RTAX_HOPLIMIT] = { .type = NETLINK_TYPE_U32 },
623 [RTAX_INITCWND] = { .type = NETLINK_TYPE_U32 },
624 [RTAX_FEATURES] = { .type = NETLINK_TYPE_U32 },
625 [RTAX_RTO_MIN] = { .type = NETLINK_TYPE_U32 },
626 [RTAX_INITRWND] = { .type = NETLINK_TYPE_U32 },
627 [RTAX_QUICKACK] = { .type = NETLINK_TYPE_U32 },
628 [RTAX_CC_ALGO] = { .type = NETLINK_TYPE_U32 },
629 [RTAX_FASTOPEN_NO_COOKIE] = { .type = NETLINK_TYPE_U32 },
630 };
631
632 static const NLTypeSystem rtnl_route_metrics_type_system = {
633 .count = ELEMENTSOF(rtnl_route_metrics_types),
634 .types = rtnl_route_metrics_types,
635 };
636
637 static const NLType rtnl_route_types[] = {
638 [RTA_DST] = { .type = NETLINK_TYPE_IN_ADDR }, /* 6? */
639 [RTA_SRC] = { .type = NETLINK_TYPE_IN_ADDR }, /* 6? */
640 [RTA_IIF] = { .type = NETLINK_TYPE_U32 },
641 [RTA_OIF] = { .type = NETLINK_TYPE_U32 },
642 [RTA_GATEWAY] = { .type = NETLINK_TYPE_IN_ADDR },
643 [RTA_PRIORITY] = { .type = NETLINK_TYPE_U32 },
644 [RTA_PREFSRC] = { .type = NETLINK_TYPE_IN_ADDR }, /* 6? */
645 [RTA_METRICS] = { .type = NETLINK_TYPE_NESTED, .type_system = &rtnl_route_metrics_type_system},
646 [RTA_MULTIPATH] = { .size = sizeof(struct rtnexthop) },
647 [RTA_FLOW] = { .type = NETLINK_TYPE_U32 }, /* 6? */
648 [RTA_CACHEINFO] = { .size = sizeof(struct rta_cacheinfo) },
649 [RTA_TABLE] = { .type = NETLINK_TYPE_U32 },
650 [RTA_MARK] = { .type = NETLINK_TYPE_U32 },
651 [RTA_MFC_STATS] = { .type = NETLINK_TYPE_U64 },
652 [RTA_VIA] = { .type = NETLINK_TYPE_U32 },
653 [RTA_NEWDST] = { .type = NETLINK_TYPE_U32 },
654 [RTA_PREF] = { .type = NETLINK_TYPE_U8 },
655 [RTA_EXPIRES] = { .type = NETLINK_TYPE_U32 },
656 [RTA_ENCAP_TYPE] = { .type = NETLINK_TYPE_U16 },
657 [RTA_ENCAP] = { .type = NETLINK_TYPE_NESTED }, /* Multiple type systems i.e. LWTUNNEL_ENCAP_MPLS/LWTUNNEL_ENCAP_IP/LWTUNNEL_ENCAP_ILA etc... */
658 [RTA_UID] = { .type = NETLINK_TYPE_U32 },
659 [RTA_TTL_PROPAGATE] = { .type = NETLINK_TYPE_U8 },
660 [RTA_IP_PROTO] = { .type = NETLINK_TYPE_U8 },
661 [RTA_SPORT] = { .type = NETLINK_TYPE_U16 },
662 [RTA_DPORT] = { .type = NETLINK_TYPE_U16 },
663 };
664
665 static const NLTypeSystem rtnl_route_type_system = {
666 .count = ELEMENTSOF(rtnl_route_types),
667 .types = rtnl_route_types,
668 };
669
670 static const NLType rtnl_neigh_types[] = {
671 [NDA_DST] = { .type = NETLINK_TYPE_IN_ADDR },
672 [NDA_LLADDR] = { /* struct ether_addr, struct in_addr, or struct in6_addr */ },
673 [NDA_CACHEINFO] = { .type = NETLINK_TYPE_CACHE_INFO, .size = sizeof(struct nda_cacheinfo) },
674 [NDA_PROBES] = { .type = NETLINK_TYPE_U32 },
675 [NDA_VLAN] = { .type = NETLINK_TYPE_U16 },
676 [NDA_PORT] = { .type = NETLINK_TYPE_U16 },
677 [NDA_VNI] = { .type = NETLINK_TYPE_U32 },
678 [NDA_IFINDEX] = { .type = NETLINK_TYPE_U32 },
679 };
680
681 static const NLTypeSystem rtnl_neigh_type_system = {
682 .count = ELEMENTSOF(rtnl_neigh_types),
683 .types = rtnl_neigh_types,
684 };
685
686 static const NLType rtnl_addrlabel_types[] = {
687 [IFAL_ADDRESS] = { .type = NETLINK_TYPE_IN_ADDR, .size = sizeof(struct in6_addr) },
688 [IFAL_LABEL] = { .type = NETLINK_TYPE_U32 },
689 };
690
691 static const NLTypeSystem rtnl_addrlabel_type_system = {
692 .count = ELEMENTSOF(rtnl_addrlabel_types),
693 .types = rtnl_addrlabel_types,
694 };
695
696 static const NLType rtnl_routing_policy_rule_types[] = {
697 [FRA_DST] = { .type = NETLINK_TYPE_IN_ADDR },
698 [FRA_SRC] = { .type = NETLINK_TYPE_IN_ADDR },
699 [FRA_IIFNAME] = { .type = NETLINK_TYPE_STRING },
700 [FRA_GOTO] = { .type = NETLINK_TYPE_U32 },
701 [FRA_PRIORITY] = { .type = NETLINK_TYPE_U32 },
702 [FRA_FWMARK] = { .type = NETLINK_TYPE_U32 },
703 [FRA_FLOW] = { .type = NETLINK_TYPE_U32 },
704 [FRA_TUN_ID] = { .type = NETLINK_TYPE_U64 },
705 [FRA_SUPPRESS_IFGROUP] = { .type = NETLINK_TYPE_U32 },
706 [FRA_SUPPRESS_PREFIXLEN] = { .type = NETLINK_TYPE_U32 },
707 [FRA_TABLE] = { .type = NETLINK_TYPE_U32 },
708 [FRA_FWMASK] = { .type = NETLINK_TYPE_U32 },
709 [FRA_OIFNAME] = { .type = NETLINK_TYPE_STRING },
710 [FRA_PAD] = { .type = NETLINK_TYPE_U32 },
711 [FRA_L3MDEV] = { .type = NETLINK_TYPE_U8 },
712 [FRA_UID_RANGE] = { .size = sizeof(struct fib_rule_uid_range) },
713 [FRA_PROTOCOL] = { .type = NETLINK_TYPE_U8 },
714 [FRA_IP_PROTO] = { .type = NETLINK_TYPE_U8 },
715 [FRA_SPORT_RANGE] = { .size = sizeof(struct fib_rule_port_range) },
716 [FRA_DPORT_RANGE] = { .size = sizeof(struct fib_rule_port_range) },
717 };
718
719 static const NLTypeSystem rtnl_routing_policy_rule_type_system = {
720 .count = ELEMENTSOF(rtnl_routing_policy_rule_types),
721 .types = rtnl_routing_policy_rule_types,
722 };
723
724 static const NLType rtnl_nexthop_types[] = {
725 [NHA_ID] = { .type = NETLINK_TYPE_U32 },
726 [NHA_OIF] = { .type = NETLINK_TYPE_U32 },
727 [NHA_GATEWAY] = { .type = NETLINK_TYPE_IN_ADDR },
728 };
729
730 static const NLTypeSystem rtnl_nexthop_type_system = {
731 .count = ELEMENTSOF(rtnl_nexthop_types),
732 .types = rtnl_nexthop_types,
733 };
734
735 static const NLType rtnl_types[] = {
736 [NLMSG_DONE] = { .type = NETLINK_TYPE_NESTED, .type_system = &empty_type_system, .size = 0 },
737 [NLMSG_ERROR] = { .type = NETLINK_TYPE_NESTED, .type_system = &empty_type_system, .size = sizeof(struct nlmsgerr) },
738 [RTM_NEWLINK] = { .type = NETLINK_TYPE_NESTED, .type_system = &rtnl_link_type_system, .size = sizeof(struct ifinfomsg) },
739 [RTM_DELLINK] = { .type = NETLINK_TYPE_NESTED, .type_system = &rtnl_link_type_system, .size = sizeof(struct ifinfomsg) },
740 [RTM_GETLINK] = { .type = NETLINK_TYPE_NESTED, .type_system = &rtnl_link_type_system, .size = sizeof(struct ifinfomsg) },
741 [RTM_SETLINK] = { .type = NETLINK_TYPE_NESTED, .type_system = &rtnl_link_type_system, .size = sizeof(struct ifinfomsg) },
742 [RTM_NEWADDR] = { .type = NETLINK_TYPE_NESTED, .type_system = &rtnl_address_type_system, .size = sizeof(struct ifaddrmsg) },
743 [RTM_DELADDR] = { .type = NETLINK_TYPE_NESTED, .type_system = &rtnl_address_type_system, .size = sizeof(struct ifaddrmsg) },
744 [RTM_GETADDR] = { .type = NETLINK_TYPE_NESTED, .type_system = &rtnl_address_type_system, .size = sizeof(struct ifaddrmsg) },
745 [RTM_NEWROUTE] = { .type = NETLINK_TYPE_NESTED, .type_system = &rtnl_route_type_system, .size = sizeof(struct rtmsg) },
746 [RTM_DELROUTE] = { .type = NETLINK_TYPE_NESTED, .type_system = &rtnl_route_type_system, .size = sizeof(struct rtmsg) },
747 [RTM_GETROUTE] = { .type = NETLINK_TYPE_NESTED, .type_system = &rtnl_route_type_system, .size = sizeof(struct rtmsg) },
748 [RTM_NEWNEIGH] = { .type = NETLINK_TYPE_NESTED, .type_system = &rtnl_neigh_type_system, .size = sizeof(struct ndmsg) },
749 [RTM_DELNEIGH] = { .type = NETLINK_TYPE_NESTED, .type_system = &rtnl_neigh_type_system, .size = sizeof(struct ndmsg) },
750 [RTM_GETNEIGH] = { .type = NETLINK_TYPE_NESTED, .type_system = &rtnl_neigh_type_system, .size = sizeof(struct ndmsg) },
751 [RTM_NEWADDRLABEL] = { .type = NETLINK_TYPE_NESTED, .type_system = &rtnl_addrlabel_type_system, .size = sizeof(struct ifaddrlblmsg) },
752 [RTM_DELADDRLABEL] = { .type = NETLINK_TYPE_NESTED, .type_system = &rtnl_addrlabel_type_system, .size = sizeof(struct ifaddrlblmsg) },
753 [RTM_GETADDRLABEL] = { .type = NETLINK_TYPE_NESTED, .type_system = &rtnl_addrlabel_type_system, .size = sizeof(struct ifaddrlblmsg) },
754 [RTM_NEWRULE] = { .type = NETLINK_TYPE_NESTED, .type_system = &rtnl_routing_policy_rule_type_system, .size = sizeof(struct rtmsg) },
755 [RTM_DELRULE] = { .type = NETLINK_TYPE_NESTED, .type_system = &rtnl_routing_policy_rule_type_system, .size = sizeof(struct rtmsg) },
756 [RTM_GETRULE] = { .type = NETLINK_TYPE_NESTED, .type_system = &rtnl_routing_policy_rule_type_system, .size = sizeof(struct rtmsg) },
757 [RTM_NEWNEXTHOP] = { .type = NETLINK_TYPE_NESTED, .type_system = &rtnl_nexthop_type_system, .size = sizeof(struct nhmsg) },
758 [RTM_DELNEXTHOP] = { .type = NETLINK_TYPE_NESTED, .type_system = &rtnl_nexthop_type_system, .size = sizeof(struct nhmsg) },
759 [RTM_GETNEXTHOP] = { .type = NETLINK_TYPE_NESTED, .type_system = &rtnl_nexthop_type_system, .size = sizeof(struct nhmsg) },
760 };
761
762 const NLTypeSystem rtnl_type_system_root = {
763 .count = ELEMENTSOF(rtnl_types),
764 .types = rtnl_types,
765 };
766
767 static const NLType genl_wireguard_allowedip_types[] = {
768 [WGALLOWEDIP_A_FAMILY] = { .type = NETLINK_TYPE_U16 },
769 [WGALLOWEDIP_A_IPADDR] = { .type = NETLINK_TYPE_IN_ADDR },
770 [WGALLOWEDIP_A_CIDR_MASK] = { .type = NETLINK_TYPE_U8 },
771 };
772
773 static const NLTypeSystem genl_wireguard_allowedip_type_system = {
774 .count = ELEMENTSOF(genl_wireguard_allowedip_types),
775 .types = genl_wireguard_allowedip_types,
776 };
777
778 static const NLType genl_wireguard_peer_types[] = {
779 [WGPEER_A_PUBLIC_KEY] = { .size = WG_KEY_LEN },
780 [WGPEER_A_FLAGS] = { .type = NETLINK_TYPE_U32 },
781 [WGPEER_A_PRESHARED_KEY] = { .size = WG_KEY_LEN },
782 [WGPEER_A_PERSISTENT_KEEPALIVE_INTERVAL] = { .type = NETLINK_TYPE_U16 },
783 [WGPEER_A_ENDPOINT] = { .type = NETLINK_TYPE_SOCKADDR },
784 [WGPEER_A_ALLOWEDIPS] = { .type = NETLINK_TYPE_NESTED, .type_system = &genl_wireguard_allowedip_type_system },
785 };
786
787 static const NLTypeSystem genl_wireguard_peer_type_system = {
788 .count = ELEMENTSOF(genl_wireguard_peer_types),
789 .types = genl_wireguard_peer_types,
790 };
791
792 static const NLType genl_wireguard_set_device_types[] = {
793 [WGDEVICE_A_IFINDEX] = { .type = NETLINK_TYPE_U32 },
794 [WGDEVICE_A_IFNAME] = { .type = NETLINK_TYPE_STRING, .size = IFNAMSIZ-1 },
795 [WGDEVICE_A_FLAGS] = { .type = NETLINK_TYPE_U32 },
796 [WGDEVICE_A_PRIVATE_KEY] = { .size = WG_KEY_LEN },
797 [WGDEVICE_A_LISTEN_PORT] = { .type = NETLINK_TYPE_U16 },
798 [WGDEVICE_A_FWMARK] = { .type = NETLINK_TYPE_U32 },
799 [WGDEVICE_A_PEERS] = { .type = NETLINK_TYPE_NESTED, .type_system = &genl_wireguard_peer_type_system },
800 };
801
802 static const NLTypeSystem genl_wireguard_set_device_type_system = {
803 .count = ELEMENTSOF(genl_wireguard_set_device_types),
804 .types = genl_wireguard_set_device_types,
805 };
806
807 static const NLType genl_wireguard_cmds[] = {
808 [WG_CMD_SET_DEVICE] = { .type = NETLINK_TYPE_NESTED, .type_system = &genl_wireguard_set_device_type_system },
809 };
810
811 static const NLTypeSystem genl_wireguard_type_system = {
812 .count = ELEMENTSOF(genl_wireguard_cmds),
813 .types = genl_wireguard_cmds,
814 };
815
816 static const NLType genl_mcast_group_types[] = {
817 [CTRL_ATTR_MCAST_GRP_NAME] = { .type = NETLINK_TYPE_STRING },
818 [CTRL_ATTR_MCAST_GRP_ID] = { .type = NETLINK_TYPE_U32 },
819 };
820
821 static const NLTypeSystem genl_mcast_group_type_system = {
822 .count = ELEMENTSOF(genl_mcast_group_types),
823 .types = genl_mcast_group_types,
824 };
825
826 static const NLType genl_get_family_types[] = {
827 [CTRL_ATTR_FAMILY_NAME] = { .type = NETLINK_TYPE_STRING },
828 [CTRL_ATTR_FAMILY_ID] = { .type = NETLINK_TYPE_U16 },
829 [CTRL_ATTR_MCAST_GROUPS] = { .type = NETLINK_TYPE_NESTED, .type_system = &genl_mcast_group_type_system },
830 };
831
832 static const NLTypeSystem genl_get_family_type_system = {
833 .count = ELEMENTSOF(genl_get_family_types),
834 .types = genl_get_family_types,
835 };
836
837 static const NLType genl_ctrl_id_ctrl_cmds[] = {
838 [CTRL_CMD_GETFAMILY] = { .type = NETLINK_TYPE_NESTED, .type_system = &genl_get_family_type_system },
839 };
840
841 static const NLTypeSystem genl_ctrl_id_ctrl_type_system = {
842 .count = ELEMENTSOF(genl_ctrl_id_ctrl_cmds),
843 .types = genl_ctrl_id_ctrl_cmds,
844 };
845
846 static const NLType genl_fou_types[] = {
847 [FOU_ATTR_PORT] = { .type = NETLINK_TYPE_U16 },
848 [FOU_ATTR_AF] = { .type = NETLINK_TYPE_U8 },
849 [FOU_ATTR_IPPROTO] = { .type = NETLINK_TYPE_U8 },
850 [FOU_ATTR_TYPE] = { .type = NETLINK_TYPE_U8 },
851 [FOU_ATTR_REMCSUM_NOPARTIAL] = { .type = NETLINK_TYPE_FLAG },
852 [FOU_ATTR_LOCAL_V4] = { .type = NETLINK_TYPE_IN_ADDR },
853 [FOU_ATTR_PEER_V4] = { .type = NETLINK_TYPE_IN_ADDR },
854 [FOU_ATTR_LOCAL_V6] = { .type = NETLINK_TYPE_IN_ADDR },
855 [FOU_ATTR_PEER_V6] = { .type = NETLINK_TYPE_IN_ADDR},
856 [FOU_ATTR_PEER_PORT] = { .type = NETLINK_TYPE_U16},
857 [FOU_ATTR_IFINDEX] = { .type = NETLINK_TYPE_U32},
858 };
859
860 static const NLTypeSystem genl_fou_type_system = {
861 .count = ELEMENTSOF(genl_fou_types),
862 .types = genl_fou_types,
863 };
864
865 static const NLType genl_fou_cmds[] = {
866 [FOU_CMD_ADD] = { .type = NETLINK_TYPE_NESTED, .type_system = &genl_fou_type_system },
867 [FOU_CMD_DEL] = { .type = NETLINK_TYPE_NESTED, .type_system = &genl_fou_type_system },
868 [FOU_CMD_GET] = { .type = NETLINK_TYPE_NESTED, .type_system = &genl_fou_type_system },
869 };
870
871 static const NLTypeSystem genl_fou_cmds_type_system = {
872 .count = ELEMENTSOF(genl_fou_cmds),
873 .types = genl_fou_cmds,
874 };
875
876 static const NLType genl_l2tp_types[] = {
877 [L2TP_ATTR_PW_TYPE] = { .type = NETLINK_TYPE_U16 },
878 [L2TP_ATTR_ENCAP_TYPE] = { .type = NETLINK_TYPE_U16 },
879 [L2TP_ATTR_OFFSET] = { .type = NETLINK_TYPE_U16 },
880 [L2TP_ATTR_DATA_SEQ] = { .type = NETLINK_TYPE_U16 },
881 [L2TP_ATTR_L2SPEC_TYPE] = { .type = NETLINK_TYPE_U8 },
882 [L2TP_ATTR_L2SPEC_LEN] = { .type = NETLINK_TYPE_U8 },
883 [L2TP_ATTR_PROTO_VERSION] = { .type = NETLINK_TYPE_U8 },
884 [L2TP_ATTR_IFNAME] = { .type = NETLINK_TYPE_STRING },
885 [L2TP_ATTR_CONN_ID] = { .type = NETLINK_TYPE_U32 },
886 [L2TP_ATTR_PEER_CONN_ID] = { .type = NETLINK_TYPE_U32 },
887 [L2TP_ATTR_SESSION_ID] = { .type = NETLINK_TYPE_U32 },
888 [L2TP_ATTR_PEER_SESSION_ID] = { .type = NETLINK_TYPE_U32 },
889 [L2TP_ATTR_UDP_CSUM] = { .type = NETLINK_TYPE_U8 },
890 [L2TP_ATTR_VLAN_ID] = { .type = NETLINK_TYPE_U16 },
891 [L2TP_ATTR_RECV_SEQ] = { .type = NETLINK_TYPE_U8 },
892 [L2TP_ATTR_SEND_SEQ] = { .type = NETLINK_TYPE_U8 },
893 [L2TP_ATTR_LNS_MODE] = { .type = NETLINK_TYPE_U8 },
894 [L2TP_ATTR_USING_IPSEC] = { .type = NETLINK_TYPE_U8 },
895 [L2TP_ATTR_FD] = { .type = NETLINK_TYPE_U32 },
896 [L2TP_ATTR_IP_SADDR] = { .type = NETLINK_TYPE_IN_ADDR },
897 [L2TP_ATTR_IP_DADDR] = { .type = NETLINK_TYPE_IN_ADDR },
898 [L2TP_ATTR_UDP_SPORT] = { .type = NETLINK_TYPE_U16 },
899 [L2TP_ATTR_UDP_DPORT] = { .type = NETLINK_TYPE_U16 },
900 [L2TP_ATTR_IP6_SADDR] = { .type = NETLINK_TYPE_IN_ADDR },
901 [L2TP_ATTR_IP6_DADDR] = { .type = NETLINK_TYPE_IN_ADDR },
902 [L2TP_ATTR_UDP_ZERO_CSUM6_TX] = { .type = NETLINK_TYPE_FLAG },
903 [L2TP_ATTR_UDP_ZERO_CSUM6_RX] = { .type = NETLINK_TYPE_FLAG },
904 };
905
906 static const NLTypeSystem genl_l2tp_type_system = {
907 .count = ELEMENTSOF(genl_l2tp_types),
908 .types = genl_l2tp_types,
909 };
910
911 static const NLType genl_l2tp[] = {
912 [L2TP_CMD_TUNNEL_CREATE] = { .type = NETLINK_TYPE_NESTED, .type_system = &genl_l2tp_type_system },
913 [L2TP_CMD_TUNNEL_DELETE] = { .type = NETLINK_TYPE_NESTED, .type_system = &genl_l2tp_type_system },
914 [L2TP_CMD_TUNNEL_MODIFY] = { .type = NETLINK_TYPE_NESTED, .type_system = &genl_l2tp_type_system },
915 [L2TP_CMD_TUNNEL_GET] = { .type = NETLINK_TYPE_NESTED, .type_system = &genl_l2tp_type_system },
916 [L2TP_CMD_SESSION_CREATE] = { .type = NETLINK_TYPE_NESTED, .type_system = &genl_l2tp_type_system },
917 [L2TP_CMD_SESSION_DELETE] = { .type = NETLINK_TYPE_NESTED, .type_system = &genl_l2tp_type_system },
918 [L2TP_CMD_SESSION_MODIFY] = { .type = NETLINK_TYPE_NESTED, .type_system = &genl_l2tp_type_system },
919 [L2TP_CMD_SESSION_GET] = { .type = NETLINK_TYPE_NESTED, .type_system = &genl_l2tp_type_system },
920 };
921
922 static const NLTypeSystem genl_l2tp_tunnel_session_type_system = {
923 .count = ELEMENTSOF(genl_l2tp),
924 .types = genl_l2tp,
925 };
926
927 static const NLType genl_rxsc_types[] = {
928 [MACSEC_RXSC_ATTR_SCI] = { .type = NETLINK_TYPE_U64 },
929 };
930
931 static const NLTypeSystem genl_rxsc_config_type_system = {
932 .count = ELEMENTSOF(genl_rxsc_types),
933 .types = genl_rxsc_types,
934 };
935
936 static const NLType genl_macsec_rxsc_types[] = {
937 [MACSEC_ATTR_IFINDEX] = { .type = NETLINK_TYPE_U32 },
938 [MACSEC_ATTR_RXSC_CONFIG] = { .type = NETLINK_TYPE_NESTED, .type_system = &genl_rxsc_config_type_system },
939 };
940
941 static const NLTypeSystem genl_macsec_rxsc_type_system = {
942 .count = ELEMENTSOF(genl_macsec_rxsc_types),
943 .types = genl_macsec_rxsc_types,
944 };
945
946 static const NLType genl_macsec_sa_config_types[] = {
947 [MACSEC_SA_ATTR_AN] = { .type = NETLINK_TYPE_U8 },
948 [MACSEC_SA_ATTR_ACTIVE] = { .type = NETLINK_TYPE_U8 },
949 [MACSEC_SA_ATTR_PN] = { .type = NETLINK_TYPE_U32 },
950 [MACSEC_SA_ATTR_KEYID] = { .size = MACSEC_KEYID_LEN },
951 [MACSEC_SA_ATTR_KEY] = { .size = MACSEC_MAX_KEY_LEN },
952 };
953
954 static const NLTypeSystem genl_macsec_sa_config_type_system = {
955 .count = ELEMENTSOF(genl_macsec_sa_config_types),
956 .types = genl_macsec_sa_config_types,
957 };
958
959 static const NLType genl_macsec_rxsa_types[] = {
960 [MACSEC_ATTR_IFINDEX] = { .type = NETLINK_TYPE_U32 },
961 [MACSEC_ATTR_SA_CONFIG] = { .type = NETLINK_TYPE_NESTED, .type_system = &genl_macsec_sa_config_type_system },
962 };
963
964 static const NLTypeSystem genl_macsec_rxsa_type_system = {
965 .count = ELEMENTSOF(genl_macsec_rxsa_types),
966 .types = genl_macsec_rxsa_types,
967 };
968
969 static const NLType genl_macsec_sa_types[] = {
970 [MACSEC_ATTR_IFINDEX] = { .type = NETLINK_TYPE_U32 },
971 [MACSEC_ATTR_RXSC_CONFIG] = { .type = NETLINK_TYPE_NESTED, .type_system = &genl_rxsc_config_type_system },
972 [MACSEC_ATTR_SA_CONFIG] = { .type = NETLINK_TYPE_NESTED, .type_system = &genl_macsec_sa_config_type_system },
973 };
974
975 static const NLTypeSystem genl_macsec_sa_type_system = {
976 .count = ELEMENTSOF(genl_macsec_sa_types),
977 .types = genl_macsec_sa_types,
978 };
979
980 static const NLType genl_macsec[] = {
981 [MACSEC_CMD_ADD_RXSC] = { .type = NETLINK_TYPE_NESTED, .type_system = &genl_macsec_rxsc_type_system },
982 [MACSEC_CMD_ADD_TXSA] = { .type = NETLINK_TYPE_NESTED, .type_system = &genl_macsec_rxsa_type_system},
983 [MACSEC_CMD_ADD_RXSA] = { .type = NETLINK_TYPE_NESTED, .type_system = &genl_macsec_sa_type_system },
984 };
985
986 static const NLTypeSystem genl_macsec_device_type_system = {
987 .count = ELEMENTSOF(genl_macsec),
988 .types = genl_macsec,
989 };
990
991 static const NLType genl_families[] = {
992 [SD_GENL_ID_CTRL] = { .type = NETLINK_TYPE_NESTED, .type_system = &genl_ctrl_id_ctrl_type_system },
993 [SD_GENL_WIREGUARD] = { .type = NETLINK_TYPE_NESTED, .type_system = &genl_wireguard_type_system },
994 [SD_GENL_FOU] = { .type = NETLINK_TYPE_NESTED, .type_system = &genl_fou_cmds_type_system},
995 [SD_GENL_L2TP] = { .type = NETLINK_TYPE_NESTED, .type_system = &genl_l2tp_tunnel_session_type_system },
996 [SD_GENL_MACSEC] = { .type = NETLINK_TYPE_NESTED, .type_system = &genl_macsec_device_type_system },
997 };
998
999 /* Mainly used when sending message */
1000 const NLTypeSystem genl_family_type_system_root = {
1001 .count = ELEMENTSOF(genl_families),
1002 .types = genl_families,
1003 };
1004
1005 static const NLType genl_types[] = {
1006 [SD_GENL_ERROR] = { .type = NETLINK_TYPE_NESTED, .type_system = &empty_type_system, .size = sizeof(struct nlmsgerr) },
1007 [SD_GENL_ID_CTRL] = { .type = NETLINK_TYPE_NESTED, .type_system = &genl_get_family_type_system, .size = sizeof(struct genlmsghdr) },
1008 };
1009
1010 /* Mainly used when message received */
1011 const NLTypeSystem genl_type_system_root = {
1012 .count = ELEMENTSOF(genl_types),
1013 .types = genl_types,
1014 };
1015
1016 uint16_t type_get_type(const NLType *type) {
1017 assert(type);
1018 return type->type;
1019 }
1020
1021 size_t type_get_size(const NLType *type) {
1022 assert(type);
1023 return type->size;
1024 }
1025
1026 void type_get_type_system(const NLType *nl_type, const NLTypeSystem **ret) {
1027 assert(nl_type);
1028 assert(ret);
1029 assert(nl_type->type == NETLINK_TYPE_NESTED);
1030 assert(nl_type->type_system);
1031
1032 *ret = nl_type->type_system;
1033 }
1034
1035 void type_get_type_system_union(const NLType *nl_type, const NLTypeSystemUnion **ret) {
1036 assert(nl_type);
1037 assert(ret);
1038 assert(nl_type->type == NETLINK_TYPE_UNION);
1039 assert(nl_type->type_system_union);
1040
1041 *ret = nl_type->type_system_union;
1042 }
1043
1044 uint16_t type_system_get_count(const NLTypeSystem *type_system) {
1045 assert(type_system);
1046 return type_system->count;
1047 }
1048
1049 const NLTypeSystem *type_system_get_root(int protocol) {
1050 switch (protocol) {
1051 case NETLINK_GENERIC:
1052 return &genl_type_system_root;
1053 default: /* NETLINK_ROUTE: */
1054 return &rtnl_type_system_root;
1055 }
1056 }
1057
1058 int type_system_root_get_type(sd_netlink *nl, const NLType **ret, uint16_t type) {
1059 sd_genl_family family;
1060 const NLType *nl_type;
1061 int r;
1062
1063 if (!nl || nl->protocol != NETLINK_GENERIC)
1064 return type_system_get_type(&rtnl_type_system_root, ret, type);
1065
1066 r = nlmsg_type_to_genl_family(nl, type, &family);
1067 if (r < 0)
1068 return r;
1069
1070 if (family >= genl_type_system_root.count)
1071 return -EOPNOTSUPP;
1072
1073 nl_type = &genl_type_system_root.types[family];
1074
1075 if (nl_type->type == NETLINK_TYPE_UNSPEC)
1076 return -EOPNOTSUPP;
1077
1078 *ret = nl_type;
1079
1080 return 0;
1081 }
1082
1083 int type_system_get_type(const NLTypeSystem *type_system, const NLType **ret, uint16_t type) {
1084 const NLType *nl_type;
1085
1086 assert(ret);
1087 assert(type_system);
1088 assert(type_system->types);
1089
1090 if (type >= type_system->count)
1091 return -EOPNOTSUPP;
1092
1093 nl_type = &type_system->types[type];
1094
1095 if (nl_type->type == NETLINK_TYPE_UNSPEC)
1096 return -EOPNOTSUPP;
1097
1098 *ret = nl_type;
1099
1100 return 0;
1101 }
1102
1103 int type_system_get_type_system(const NLTypeSystem *type_system, const NLTypeSystem **ret, uint16_t type) {
1104 const NLType *nl_type;
1105 int r;
1106
1107 assert(ret);
1108
1109 r = type_system_get_type(type_system, &nl_type, type);
1110 if (r < 0)
1111 return r;
1112
1113 type_get_type_system(nl_type, ret);
1114 return 0;
1115 }
1116
1117 int type_system_get_type_system_union(const NLTypeSystem *type_system, const NLTypeSystemUnion **ret, uint16_t type) {
1118 const NLType *nl_type;
1119 int r;
1120
1121 assert(ret);
1122
1123 r = type_system_get_type(type_system, &nl_type, type);
1124 if (r < 0)
1125 return r;
1126
1127 type_get_type_system_union(nl_type, ret);
1128 return 0;
1129 }
1130
1131 int type_system_union_get_type_system(const NLTypeSystemUnion *type_system_union, const NLTypeSystem **ret, const char *key) {
1132 int type;
1133
1134 assert(type_system_union);
1135 assert(type_system_union->match_type == NL_MATCH_SIBLING);
1136 assert(type_system_union->lookup);
1137 assert(type_system_union->type_systems);
1138 assert(ret);
1139 assert(key);
1140
1141 type = type_system_union->lookup(key);
1142 if (type < 0)
1143 return -EOPNOTSUPP;
1144
1145 assert(type < type_system_union->num);
1146
1147 *ret = &type_system_union->type_systems[type];
1148
1149 return 0;
1150 }
1151
1152 int type_system_union_protocol_get_type_system(const NLTypeSystemUnion *type_system_union, const NLTypeSystem **ret, uint16_t protocol) {
1153 const NLTypeSystem *type_system;
1154
1155 assert(type_system_union);
1156 assert(type_system_union->type_systems);
1157 assert(type_system_union->match_type == NL_MATCH_PROTOCOL);
1158 assert(ret);
1159
1160 if (protocol >= type_system_union->num)
1161 return -EOPNOTSUPP;
1162
1163 type_system = &type_system_union->type_systems[protocol];
1164 if (!type_system->types)
1165 return -EOPNOTSUPP;
1166
1167 *ret = type_system;
1168
1169 return 0;
1170 }