]> git.ipfire.org Git - thirdparty/systemd.git/blob - src/libsystemd/sd-netlink/netlink-types.c
Merge pull request #13109 from poettering/revert-kbd-mode
[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 };
134
135 static const NLType rtnl_link_info_data_vlan_types[] = {
136 [IFLA_VLAN_ID] = { .type = NETLINK_TYPE_U16 },
137 /*
138 [IFLA_VLAN_FLAGS] = { .len = sizeof(struct ifla_vlan_flags) },
139 [IFLA_VLAN_EGRESS_QOS] = { .type = NETLINK_TYPE_NESTED },
140 [IFLA_VLAN_INGRESS_QOS] = { .type = NETLINK_TYPE_NESTED },
141 */
142 [IFLA_VLAN_PROTOCOL] = { .type = NETLINK_TYPE_U16 },
143 };
144
145 static const NLType rtnl_link_info_data_vxlan_types[] = {
146 [IFLA_VXLAN_ID] = { .type = NETLINK_TYPE_U32 },
147 [IFLA_VXLAN_GROUP] = { .type = NETLINK_TYPE_IN_ADDR },
148 [IFLA_VXLAN_LINK] = { .type = NETLINK_TYPE_U32 },
149 [IFLA_VXLAN_LOCAL] = { .type = NETLINK_TYPE_IN_ADDR },
150 [IFLA_VXLAN_TTL] = { .type = NETLINK_TYPE_U8 },
151 [IFLA_VXLAN_TOS] = { .type = NETLINK_TYPE_U8 },
152 [IFLA_VXLAN_LEARNING] = { .type = NETLINK_TYPE_U8 },
153 [IFLA_VXLAN_AGEING] = { .type = NETLINK_TYPE_U32 },
154 [IFLA_VXLAN_LIMIT] = { .type = NETLINK_TYPE_U32 },
155 [IFLA_VXLAN_PORT_RANGE] = { .type = NETLINK_TYPE_U32},
156 [IFLA_VXLAN_PROXY] = { .type = NETLINK_TYPE_U8 },
157 [IFLA_VXLAN_RSC] = { .type = NETLINK_TYPE_U8 },
158 [IFLA_VXLAN_L2MISS] = { .type = NETLINK_TYPE_U8 },
159 [IFLA_VXLAN_L3MISS] = { .type = NETLINK_TYPE_U8 },
160 [IFLA_VXLAN_PORT] = { .type = NETLINK_TYPE_U16 },
161 [IFLA_VXLAN_GROUP6] = { .type = NETLINK_TYPE_IN_ADDR },
162 [IFLA_VXLAN_LOCAL6] = { .type = NETLINK_TYPE_IN_ADDR },
163 [IFLA_VXLAN_UDP_CSUM] = { .type = NETLINK_TYPE_U8 },
164 [IFLA_VXLAN_UDP_ZERO_CSUM6_TX] = { .type = NETLINK_TYPE_U8 },
165 [IFLA_VXLAN_UDP_ZERO_CSUM6_RX] = { .type = NETLINK_TYPE_U8 },
166 [IFLA_VXLAN_REMCSUM_TX] = { .type = NETLINK_TYPE_U8 },
167 [IFLA_VXLAN_REMCSUM_RX] = { .type = NETLINK_TYPE_U8 },
168 [IFLA_VXLAN_GBP] = { .type = NETLINK_TYPE_FLAG },
169 [IFLA_VXLAN_REMCSUM_NOPARTIAL] = { .type = NETLINK_TYPE_FLAG },
170 [IFLA_VXLAN_COLLECT_METADATA] = { .type = NETLINK_TYPE_U8 },
171 [IFLA_VXLAN_LABEL] = { .type = NETLINK_TYPE_U32 },
172 [IFLA_VXLAN_GPE] = { .type = NETLINK_TYPE_FLAG },
173 [IFLA_VXLAN_TTL_INHERIT] = { .type = NETLINK_TYPE_FLAG },
174 [IFLA_VXLAN_DF] = { .type = NETLINK_TYPE_U8 },
175 };
176
177 static const NLType rtnl_bond_arp_target_types[] = {
178 [BOND_ARP_TARGETS_0] = { .type = NETLINK_TYPE_U32 },
179 [BOND_ARP_TARGETS_1] = { .type = NETLINK_TYPE_U32 },
180 [BOND_ARP_TARGETS_2] = { .type = NETLINK_TYPE_U32 },
181 [BOND_ARP_TARGETS_3] = { .type = NETLINK_TYPE_U32 },
182 [BOND_ARP_TARGETS_4] = { .type = NETLINK_TYPE_U32 },
183 [BOND_ARP_TARGETS_5] = { .type = NETLINK_TYPE_U32 },
184 [BOND_ARP_TARGETS_6] = { .type = NETLINK_TYPE_U32 },
185 [BOND_ARP_TARGETS_7] = { .type = NETLINK_TYPE_U32 },
186 [BOND_ARP_TARGETS_8] = { .type = NETLINK_TYPE_U32 },
187 [BOND_ARP_TARGETS_9] = { .type = NETLINK_TYPE_U32 },
188 [BOND_ARP_TARGETS_10] = { .type = NETLINK_TYPE_U32 },
189 [BOND_ARP_TARGETS_11] = { .type = NETLINK_TYPE_U32 },
190 [BOND_ARP_TARGETS_12] = { .type = NETLINK_TYPE_U32 },
191 [BOND_ARP_TARGETS_13] = { .type = NETLINK_TYPE_U32 },
192 [BOND_ARP_TARGETS_14] = { .type = NETLINK_TYPE_U32 },
193 [BOND_ARP_TARGETS_MAX] = { .type = NETLINK_TYPE_U32 },
194 };
195
196 static const NLTypeSystem rtnl_bond_arp_type_system = {
197 .count = ELEMENTSOF(rtnl_bond_arp_target_types),
198 .types = rtnl_bond_arp_target_types,
199 };
200
201 static const NLType rtnl_link_info_data_bond_types[] = {
202 [IFLA_BOND_MODE] = { .type = NETLINK_TYPE_U8 },
203 [IFLA_BOND_ACTIVE_SLAVE] = { .type = NETLINK_TYPE_U32 },
204 [IFLA_BOND_MIIMON] = { .type = NETLINK_TYPE_U32 },
205 [IFLA_BOND_UPDELAY] = { .type = NETLINK_TYPE_U32 },
206 [IFLA_BOND_DOWNDELAY] = { .type = NETLINK_TYPE_U32 },
207 [IFLA_BOND_USE_CARRIER] = { .type = NETLINK_TYPE_U8 },
208 [IFLA_BOND_ARP_INTERVAL] = { .type = NETLINK_TYPE_U32 },
209 [IFLA_BOND_ARP_IP_TARGET] = { .type = NETLINK_TYPE_NESTED, .type_system = &rtnl_bond_arp_type_system },
210 [IFLA_BOND_ARP_VALIDATE] = { .type = NETLINK_TYPE_U32 },
211 [IFLA_BOND_ARP_ALL_TARGETS] = { .type = NETLINK_TYPE_U32 },
212 [IFLA_BOND_PRIMARY] = { .type = NETLINK_TYPE_U32 },
213 [IFLA_BOND_PRIMARY_RESELECT] = { .type = NETLINK_TYPE_U8 },
214 [IFLA_BOND_FAIL_OVER_MAC] = { .type = NETLINK_TYPE_U8 },
215 [IFLA_BOND_XMIT_HASH_POLICY] = { .type = NETLINK_TYPE_U8 },
216 [IFLA_BOND_RESEND_IGMP] = { .type = NETLINK_TYPE_U32 },
217 [IFLA_BOND_NUM_PEER_NOTIF] = { .type = NETLINK_TYPE_U8 },
218 [IFLA_BOND_ALL_SLAVES_ACTIVE] = { .type = NETLINK_TYPE_U8 },
219 [IFLA_BOND_MIN_LINKS] = { .type = NETLINK_TYPE_U32 },
220 [IFLA_BOND_LP_INTERVAL] = { .type = NETLINK_TYPE_U32 },
221 [IFLA_BOND_PACKETS_PER_SLAVE] = { .type = NETLINK_TYPE_U32 },
222 [IFLA_BOND_AD_LACP_RATE] = { .type = NETLINK_TYPE_U8 },
223 [IFLA_BOND_AD_SELECT] = { .type = NETLINK_TYPE_U8 },
224 [IFLA_BOND_AD_INFO] = { .type = NETLINK_TYPE_NESTED },
225 [IFLA_BOND_AD_ACTOR_SYS_PRIO] = { .type = NETLINK_TYPE_U16 },
226 [IFLA_BOND_AD_USER_PORT_KEY] = { .type = NETLINK_TYPE_U16 },
227 [IFLA_BOND_AD_ACTOR_SYSTEM] = { .type = NETLINK_TYPE_ETHER_ADDR },
228 [IFLA_BOND_TLB_DYNAMIC_LB] = { .type = NETLINK_TYPE_U8 },
229 };
230
231 static const NLType rtnl_link_info_data_iptun_types[] = {
232 [IFLA_IPTUN_LINK] = { .type = NETLINK_TYPE_U32 },
233 [IFLA_IPTUN_LOCAL] = { .type = NETLINK_TYPE_IN_ADDR },
234 [IFLA_IPTUN_REMOTE] = { .type = NETLINK_TYPE_IN_ADDR },
235 [IFLA_IPTUN_TTL] = { .type = NETLINK_TYPE_U8 },
236 [IFLA_IPTUN_TOS] = { .type = NETLINK_TYPE_U8 },
237 [IFLA_IPTUN_PMTUDISC] = { .type = NETLINK_TYPE_U8 },
238 [IFLA_IPTUN_FLAGS] = { .type = NETLINK_TYPE_U16 },
239 [IFLA_IPTUN_PROTO] = { .type = NETLINK_TYPE_U8 },
240 [IFLA_IPTUN_6RD_PREFIX] = { .type = NETLINK_TYPE_IN_ADDR },
241 [IFLA_IPTUN_6RD_RELAY_PREFIX] = { .type = NETLINK_TYPE_U32 },
242 [IFLA_IPTUN_6RD_PREFIXLEN] = { .type = NETLINK_TYPE_U16 },
243 [IFLA_IPTUN_6RD_RELAY_PREFIXLEN] = { .type = NETLINK_TYPE_U16 },
244 [IFLA_IPTUN_ENCAP_TYPE] = { .type = NETLINK_TYPE_U16 },
245 [IFLA_IPTUN_ENCAP_FLAGS] = { .type = NETLINK_TYPE_U16 },
246 [IFLA_IPTUN_ENCAP_SPORT] = { .type = NETLINK_TYPE_U16 },
247 [IFLA_IPTUN_ENCAP_DPORT] = { .type = NETLINK_TYPE_U16 },
248 };
249
250 static const NLType rtnl_link_info_data_ipgre_types[] = {
251 [IFLA_GRE_LINK] = { .type = NETLINK_TYPE_U32 },
252 [IFLA_GRE_IFLAGS] = { .type = NETLINK_TYPE_U16 },
253 [IFLA_GRE_OFLAGS] = { .type = NETLINK_TYPE_U16 },
254 [IFLA_GRE_IKEY] = { .type = NETLINK_TYPE_U32 },
255 [IFLA_GRE_OKEY] = { .type = NETLINK_TYPE_U32 },
256 [IFLA_GRE_LOCAL] = { .type = NETLINK_TYPE_IN_ADDR },
257 [IFLA_GRE_REMOTE] = { .type = NETLINK_TYPE_IN_ADDR },
258 [IFLA_GRE_TTL] = { .type = NETLINK_TYPE_U8 },
259 [IFLA_GRE_TOS] = { .type = NETLINK_TYPE_U8 },
260 [IFLA_GRE_PMTUDISC] = { .type = NETLINK_TYPE_U8 },
261 [IFLA_GRE_FLOWINFO] = { .type = NETLINK_TYPE_U32 },
262 [IFLA_GRE_FLAGS] = { .type = NETLINK_TYPE_U32 },
263 [IFLA_GRE_ENCAP_TYPE] = { .type = NETLINK_TYPE_U16 },
264 [IFLA_GRE_ENCAP_FLAGS] = { .type = NETLINK_TYPE_U16 },
265 [IFLA_GRE_ENCAP_SPORT] = { .type = NETLINK_TYPE_U16 },
266 [IFLA_GRE_ENCAP_DPORT] = { .type = NETLINK_TYPE_U16 },
267 [IFLA_GRE_ERSPAN_INDEX] = { .type = NETLINK_TYPE_U32 },
268 };
269
270 static const NLType rtnl_link_info_data_ipvti_types[] = {
271 [IFLA_VTI_LINK] = { .type = NETLINK_TYPE_U32 },
272 [IFLA_VTI_IKEY] = { .type = NETLINK_TYPE_U32 },
273 [IFLA_VTI_OKEY] = { .type = NETLINK_TYPE_U32 },
274 [IFLA_VTI_LOCAL] = { .type = NETLINK_TYPE_IN_ADDR },
275 [IFLA_VTI_REMOTE] = { .type = NETLINK_TYPE_IN_ADDR },
276 };
277
278 static const NLType rtnl_link_info_data_ip6tnl_types[] = {
279 [IFLA_IPTUN_LINK] = { .type = NETLINK_TYPE_U32 },
280 [IFLA_IPTUN_LOCAL] = { .type = NETLINK_TYPE_IN_ADDR },
281 [IFLA_IPTUN_REMOTE] = { .type = NETLINK_TYPE_IN_ADDR },
282 [IFLA_IPTUN_TTL] = { .type = NETLINK_TYPE_U8 },
283 [IFLA_IPTUN_FLAGS] = { .type = NETLINK_TYPE_U32 },
284 [IFLA_IPTUN_PROTO] = { .type = NETLINK_TYPE_U8 },
285 [IFLA_IPTUN_ENCAP_LIMIT] = { .type = NETLINK_TYPE_U8 },
286 [IFLA_IPTUN_FLOWINFO] = { .type = NETLINK_TYPE_U32 },
287 };
288
289 static const NLType rtnl_link_info_data_vrf_types[] = {
290 [IFLA_VRF_TABLE] = { .type = NETLINK_TYPE_U32 },
291 };
292
293 static const NLType rtnl_link_info_data_geneve_types[] = {
294 [IFLA_GENEVE_ID] = { .type = NETLINK_TYPE_U32 },
295 [IFLA_GENEVE_TTL] = { .type = NETLINK_TYPE_U8 },
296 [IFLA_GENEVE_TOS] = { .type = NETLINK_TYPE_U8 },
297 [IFLA_GENEVE_PORT] = { .type = NETLINK_TYPE_U16 },
298 [IFLA_GENEVE_REMOTE] = { .type = NETLINK_TYPE_IN_ADDR },
299 [IFLA_GENEVE_REMOTE6] = { .type = NETLINK_TYPE_IN_ADDR },
300 [IFLA_GENEVE_UDP_CSUM] = { .type = NETLINK_TYPE_U8 },
301 [IFLA_GENEVE_UDP_ZERO_CSUM6_TX] = { .type = NETLINK_TYPE_U8 },
302 [IFLA_GENEVE_UDP_ZERO_CSUM6_RX] = { .type = NETLINK_TYPE_U8 },
303 [IFLA_GENEVE_LABEL] = { .type = NETLINK_TYPE_U32 },
304 [IFLA_GENEVE_TTL_INHERIT] = { .type = NETLINK_TYPE_U8 },
305 [IFLA_GENEVE_DF] = { .type = NETLINK_TYPE_U8 },
306 };
307
308 static const NLType rtnl_link_info_data_can_types[] = {
309 [IFLA_CAN_BITTIMING] = { .size = sizeof(struct can_bittiming) },
310 [IFLA_CAN_RESTART_MS] = { .type = NETLINK_TYPE_U32 },
311 [IFLA_CAN_CTRLMODE] = { .size = sizeof(struct can_ctrlmode) },
312 };
313
314 static const NLType rtnl_link_info_data_macsec_types[] = {
315 [IFLA_MACSEC_SCI] = { .type = NETLINK_TYPE_U64 },
316 [IFLA_MACSEC_PORT] = { .type = NETLINK_TYPE_U16 },
317 [IFLA_MACSEC_ICV_LEN] = { .type = NETLINK_TYPE_U8 },
318 [IFLA_MACSEC_CIPHER_SUITE] = { .type = NETLINK_TYPE_U64 },
319 [IFLA_MACSEC_WINDOW] = { .type = NETLINK_TYPE_U32 },
320 [IFLA_MACSEC_ENCODING_SA] = { .type = NETLINK_TYPE_U8 },
321 [IFLA_MACSEC_ENCRYPT] = { .type = NETLINK_TYPE_U8 },
322 [IFLA_MACSEC_PROTECT] = { .type = NETLINK_TYPE_U8 },
323 [IFLA_MACSEC_INC_SCI] = { .type = NETLINK_TYPE_U8 },
324 [IFLA_MACSEC_ES] = { .type = NETLINK_TYPE_U8 },
325 [IFLA_MACSEC_SCB] = { .type = NETLINK_TYPE_U8 },
326 [IFLA_MACSEC_REPLAY_PROTECT] = { .type = NETLINK_TYPE_U8 },
327 [IFLA_MACSEC_VALIDATION] = { .type = NETLINK_TYPE_U8 },
328 };
329
330 static const NLType rtnl_link_info_data_xfrm_types[] = {
331 [IFLA_XFRM_LINK] = { .type = NETLINK_TYPE_U32 },
332 [IFLA_XFRM_IF_ID] = { .type = NETLINK_TYPE_U32 }
333 };
334
335 /* these strings must match the .kind entries in the kernel */
336 static const char* const nl_union_link_info_data_table[] = {
337 [NL_UNION_LINK_INFO_DATA_BOND] = "bond",
338 [NL_UNION_LINK_INFO_DATA_BRIDGE] = "bridge",
339 [NL_UNION_LINK_INFO_DATA_VLAN] = "vlan",
340 [NL_UNION_LINK_INFO_DATA_VETH] = "veth",
341 [NL_UNION_LINK_INFO_DATA_DUMMY] = "dummy",
342 [NL_UNION_LINK_INFO_DATA_MACVLAN] = "macvlan",
343 [NL_UNION_LINK_INFO_DATA_MACVTAP] = "macvtap",
344 [NL_UNION_LINK_INFO_DATA_IPVLAN] = "ipvlan",
345 [NL_UNION_LINK_INFO_DATA_IPVTAP] = "ipvtap",
346 [NL_UNION_LINK_INFO_DATA_VXLAN] = "vxlan",
347 [NL_UNION_LINK_INFO_DATA_IPIP_TUNNEL] = "ipip",
348 [NL_UNION_LINK_INFO_DATA_IPGRE_TUNNEL] = "gre",
349 [NL_UNION_LINK_INFO_DATA_ERSPAN] = "erspan",
350 [NL_UNION_LINK_INFO_DATA_IPGRETAP_TUNNEL] = "gretap",
351 [NL_UNION_LINK_INFO_DATA_IP6GRE_TUNNEL] = "ip6gre",
352 [NL_UNION_LINK_INFO_DATA_IP6GRETAP_TUNNEL] = "ip6gretap",
353 [NL_UNION_LINK_INFO_DATA_SIT_TUNNEL] = "sit",
354 [NL_UNION_LINK_INFO_DATA_VTI_TUNNEL] = "vti",
355 [NL_UNION_LINK_INFO_DATA_VTI6_TUNNEL] = "vti6",
356 [NL_UNION_LINK_INFO_DATA_IP6TNL_TUNNEL] = "ip6tnl",
357 [NL_UNION_LINK_INFO_DATA_VRF] = "vrf",
358 [NL_UNION_LINK_INFO_DATA_VCAN] = "vcan",
359 [NL_UNION_LINK_INFO_DATA_GENEVE] = "geneve",
360 [NL_UNION_LINK_INFO_DATA_VXCAN] = "vxcan",
361 [NL_UNION_LINK_INFO_DATA_WIREGUARD] = "wireguard",
362 [NL_UNION_LINK_INFO_DATA_NETDEVSIM] = "netdevsim",
363 [NL_UNION_LINK_INFO_DATA_CAN] = "can",
364 [NL_UNION_LINK_INFO_DATA_MACSEC] = "macsec",
365 [NL_UNION_LINK_INFO_DATA_NLMON] = "nlmon",
366 [NL_UNION_LINK_INFO_DATA_XFRM] = "xfrm",
367 };
368
369 DEFINE_STRING_TABLE_LOOKUP(nl_union_link_info_data, NLUnionLinkInfoData);
370
371 static const NLTypeSystem rtnl_link_info_data_type_systems[] = {
372 [NL_UNION_LINK_INFO_DATA_BOND] = { .count = ELEMENTSOF(rtnl_link_info_data_bond_types),
373 .types = rtnl_link_info_data_bond_types },
374 [NL_UNION_LINK_INFO_DATA_BRIDGE] = { .count = ELEMENTSOF(rtnl_link_info_data_bridge_types),
375 .types = rtnl_link_info_data_bridge_types },
376 [NL_UNION_LINK_INFO_DATA_VLAN] = { .count = ELEMENTSOF(rtnl_link_info_data_vlan_types),
377 .types = rtnl_link_info_data_vlan_types },
378 [NL_UNION_LINK_INFO_DATA_VETH] = { .count = ELEMENTSOF(rtnl_link_info_data_veth_types),
379 .types = rtnl_link_info_data_veth_types },
380 [NL_UNION_LINK_INFO_DATA_MACVLAN] = { .count = ELEMENTSOF(rtnl_link_info_data_macvlan_types),
381 .types = rtnl_link_info_data_macvlan_types },
382 [NL_UNION_LINK_INFO_DATA_MACVTAP] = { .count = ELEMENTSOF(rtnl_link_info_data_macvlan_types),
383 .types = rtnl_link_info_data_macvlan_types },
384 [NL_UNION_LINK_INFO_DATA_IPVLAN] = { .count = ELEMENTSOF(rtnl_link_info_data_ipvlan_types),
385 .types = rtnl_link_info_data_ipvlan_types },
386 [NL_UNION_LINK_INFO_DATA_IPVTAP] = { .count = ELEMENTSOF(rtnl_link_info_data_ipvlan_types),
387 .types = rtnl_link_info_data_ipvlan_types },
388 [NL_UNION_LINK_INFO_DATA_VXLAN] = { .count = ELEMENTSOF(rtnl_link_info_data_vxlan_types),
389 .types = rtnl_link_info_data_vxlan_types },
390 [NL_UNION_LINK_INFO_DATA_IPIP_TUNNEL] = { .count = ELEMENTSOF(rtnl_link_info_data_iptun_types),
391 .types = rtnl_link_info_data_iptun_types },
392 [NL_UNION_LINK_INFO_DATA_IPGRE_TUNNEL] = { .count = ELEMENTSOF(rtnl_link_info_data_ipgre_types),
393 .types = rtnl_link_info_data_ipgre_types },
394 [NL_UNION_LINK_INFO_DATA_ERSPAN] = { .count = ELEMENTSOF(rtnl_link_info_data_ipgre_types),
395 .types = rtnl_link_info_data_ipgre_types },
396 [NL_UNION_LINK_INFO_DATA_IPGRETAP_TUNNEL] = { .count = ELEMENTSOF(rtnl_link_info_data_ipgre_types),
397 .types = rtnl_link_info_data_ipgre_types },
398 [NL_UNION_LINK_INFO_DATA_IP6GRE_TUNNEL] = { .count = ELEMENTSOF(rtnl_link_info_data_ipgre_types),
399 .types = rtnl_link_info_data_ipgre_types },
400 [NL_UNION_LINK_INFO_DATA_IP6GRETAP_TUNNEL] = { .count = ELEMENTSOF(rtnl_link_info_data_ipgre_types),
401 .types = rtnl_link_info_data_ipgre_types },
402 [NL_UNION_LINK_INFO_DATA_SIT_TUNNEL] = { .count = ELEMENTSOF(rtnl_link_info_data_iptun_types),
403 .types = rtnl_link_info_data_iptun_types },
404 [NL_UNION_LINK_INFO_DATA_VTI_TUNNEL] = { .count = ELEMENTSOF(rtnl_link_info_data_ipvti_types),
405 .types = rtnl_link_info_data_ipvti_types },
406 [NL_UNION_LINK_INFO_DATA_VTI6_TUNNEL] = { .count = ELEMENTSOF(rtnl_link_info_data_ipvti_types),
407 .types = rtnl_link_info_data_ipvti_types },
408 [NL_UNION_LINK_INFO_DATA_IP6TNL_TUNNEL] = { .count = ELEMENTSOF(rtnl_link_info_data_ip6tnl_types),
409 .types = rtnl_link_info_data_ip6tnl_types },
410 [NL_UNION_LINK_INFO_DATA_VRF] = { .count = ELEMENTSOF(rtnl_link_info_data_vrf_types),
411 .types = rtnl_link_info_data_vrf_types },
412 [NL_UNION_LINK_INFO_DATA_GENEVE] = { .count = ELEMENTSOF(rtnl_link_info_data_geneve_types),
413 .types = rtnl_link_info_data_geneve_types },
414 [NL_UNION_LINK_INFO_DATA_VXCAN] = { .count = ELEMENTSOF(rtnl_link_info_data_vxcan_types),
415 .types = rtnl_link_info_data_vxcan_types },
416 [NL_UNION_LINK_INFO_DATA_CAN] = { .count = ELEMENTSOF(rtnl_link_info_data_can_types),
417 .types = rtnl_link_info_data_can_types },
418 [NL_UNION_LINK_INFO_DATA_MACSEC] = { .count = ELEMENTSOF(rtnl_link_info_data_macsec_types),
419 .types = rtnl_link_info_data_macsec_types },
420 [NL_UNION_LINK_INFO_DATA_XFRM] = { .count = ELEMENTSOF(rtnl_link_info_data_xfrm_types),
421 .types = rtnl_link_info_data_xfrm_types },
422 };
423
424 static const NLTypeSystemUnion rtnl_link_info_data_type_system_union = {
425 .num = _NL_UNION_LINK_INFO_DATA_MAX,
426 .lookup = nl_union_link_info_data_from_string,
427 .type_systems = rtnl_link_info_data_type_systems,
428 .match_type = NL_MATCH_SIBLING,
429 .match = IFLA_INFO_KIND,
430 };
431
432 static const NLType rtnl_link_info_types[] = {
433 [IFLA_INFO_KIND] = { .type = NETLINK_TYPE_STRING },
434 [IFLA_INFO_DATA] = { .type = NETLINK_TYPE_UNION, .type_system_union = &rtnl_link_info_data_type_system_union},
435 /*
436 [IFLA_INFO_XSTATS],
437 [IFLA_INFO_SLAVE_KIND] = { .type = NETLINK_TYPE_STRING },
438 [IFLA_INFO_SLAVE_DATA] = { .type = NETLINK_TYPE_NESTED },
439 */
440 };
441
442 static const NLTypeSystem rtnl_link_info_type_system = {
443 .count = ELEMENTSOF(rtnl_link_info_types),
444 .types = rtnl_link_info_types,
445 };
446
447 static const struct NLType rtnl_prot_info_bridge_port_types[] = {
448 [IFLA_BRPORT_STATE] = { .type = NETLINK_TYPE_U8 },
449 [IFLA_BRPORT_COST] = { .type = NETLINK_TYPE_U32 },
450 [IFLA_BRPORT_PRIORITY] = { .type = NETLINK_TYPE_U16 },
451 [IFLA_BRPORT_MODE] = { .type = NETLINK_TYPE_U8 },
452 [IFLA_BRPORT_GUARD] = { .type = NETLINK_TYPE_U8 },
453 [IFLA_BRPORT_PROTECT] = { .type = NETLINK_TYPE_U8 },
454 [IFLA_BRPORT_FAST_LEAVE] = { .type = NETLINK_TYPE_U8 },
455 [IFLA_BRPORT_LEARNING] = { .type = NETLINK_TYPE_U8 },
456 [IFLA_BRPORT_UNICAST_FLOOD] = { .type = NETLINK_TYPE_U8 },
457 [IFLA_BRPORT_PROXYARP] = { .type = NETLINK_TYPE_U8 },
458 [IFLA_BRPORT_LEARNING_SYNC] = { .type = NETLINK_TYPE_U8 },
459 [IFLA_BRPORT_PROXYARP_WIFI] = { .type = NETLINK_TYPE_U8 },
460 [IFLA_BRPORT_ROOT_ID] = { .type = NETLINK_TYPE_U8 },
461 [IFLA_BRPORT_BRIDGE_ID] = { .type = NETLINK_TYPE_U8 },
462 [IFLA_BRPORT_DESIGNATED_PORT] = { .type = NETLINK_TYPE_U16 },
463 [IFLA_BRPORT_DESIGNATED_COST] = { .type = NETLINK_TYPE_U16 },
464 [IFLA_BRPORT_ID] = { .type = NETLINK_TYPE_U16 },
465 [IFLA_BRPORT_NO] = { .type = NETLINK_TYPE_U16 },
466 [IFLA_BRPORT_TOPOLOGY_CHANGE_ACK] = { .type = NETLINK_TYPE_U8 },
467 [IFLA_BRPORT_CONFIG_PENDING] = { .type = NETLINK_TYPE_U8 },
468 [IFLA_BRPORT_MESSAGE_AGE_TIMER] = { .type = NETLINK_TYPE_U64 },
469 [IFLA_BRPORT_FORWARD_DELAY_TIMER] = { .type = NETLINK_TYPE_U64 },
470 [IFLA_BRPORT_HOLD_TIMER] = { .type = NETLINK_TYPE_U64 },
471 [IFLA_BRPORT_FLUSH] = { .type = NETLINK_TYPE_U8 },
472 [IFLA_BRPORT_MULTICAST_ROUTER] = { .type = NETLINK_TYPE_U8 },
473 [IFLA_BRPORT_PAD] = { .type = NETLINK_TYPE_U8 },
474 [IFLA_BRPORT_MCAST_FLOOD] = { .type = NETLINK_TYPE_U8 },
475 [IFLA_BRPORT_MCAST_TO_UCAST] = { .type = NETLINK_TYPE_U8 },
476 [IFLA_BRPORT_VLAN_TUNNEL] = { .type = NETLINK_TYPE_U8 },
477 [IFLA_BRPORT_BCAST_FLOOD] = { .type = NETLINK_TYPE_U8 },
478 [IFLA_BRPORT_GROUP_FWD_MASK] = { .type = NETLINK_TYPE_U16 },
479 [IFLA_BRPORT_NEIGH_SUPPRESS] = { .type = NETLINK_TYPE_U8 },
480 [IFLA_BRPORT_ISOLATED] = { .type = NETLINK_TYPE_U8 },
481 [IFLA_BRPORT_BACKUP_PORT] = { .type = NETLINK_TYPE_U32 },
482 };
483
484 static const NLTypeSystem rtnl_prot_info_type_systems[] = {
485 [AF_BRIDGE] = { .count = ELEMENTSOF(rtnl_prot_info_bridge_port_types),
486 .types = rtnl_prot_info_bridge_port_types },
487 };
488
489 static const NLTypeSystemUnion rtnl_prot_info_type_system_union = {
490 .num = AF_MAX,
491 .type_systems = rtnl_prot_info_type_systems,
492 .match_type = NL_MATCH_PROTOCOL,
493 };
494
495 static const struct NLType rtnl_af_spec_inet6_types[] = {
496 [IFLA_INET6_FLAGS] = { .type = NETLINK_TYPE_U32 },
497 /*
498 IFLA_INET6_CONF,
499 IFLA_INET6_STATS,
500 IFLA_INET6_MCAST,
501 IFLA_INET6_CACHEINFO,
502 IFLA_INET6_ICMP6STATS,
503 */
504 [IFLA_INET6_TOKEN] = { .type = NETLINK_TYPE_IN_ADDR },
505 [IFLA_INET6_ADDR_GEN_MODE] = { .type = NETLINK_TYPE_U8 },
506 };
507
508 static const NLTypeSystem rtnl_af_spec_inet6_type_system = {
509 .count = ELEMENTSOF(rtnl_af_spec_inet6_types),
510 .types = rtnl_af_spec_inet6_types,
511 };
512
513 static const NLType rtnl_af_spec_types[] = {
514 [AF_INET6] = { .type = NETLINK_TYPE_NESTED, .type_system = &rtnl_af_spec_inet6_type_system },
515 };
516
517 static const NLTypeSystem rtnl_af_spec_type_system = {
518 .count = ELEMENTSOF(rtnl_af_spec_types),
519 .types = rtnl_af_spec_types,
520 };
521
522 static const NLType rtnl_link_types[] = {
523 [IFLA_ADDRESS] = { .type = NETLINK_TYPE_ETHER_ADDR },
524 [IFLA_BROADCAST] = { .type = NETLINK_TYPE_ETHER_ADDR },
525 [IFLA_IFNAME] = { .type = NETLINK_TYPE_STRING, .size = IFNAMSIZ - 1 },
526 [IFLA_MTU] = { .type = NETLINK_TYPE_U32 },
527 [IFLA_LINK] = { .type = NETLINK_TYPE_U32 },
528 /*
529 [IFLA_QDISC],
530 */
531 [IFLA_STATS] = { .size = sizeof(struct rtnl_link_stats) },
532 /*
533 [IFLA_COST],
534 [IFLA_PRIORITY],
535 */
536 [IFLA_MASTER] = { .type = NETLINK_TYPE_U32 },
537 /*
538 [IFLA_WIRELESS],
539 */
540 [IFLA_PROTINFO] = { .type = NETLINK_TYPE_UNION, .type_system_union = &rtnl_prot_info_type_system_union },
541 [IFLA_TXQLEN] = { .type = NETLINK_TYPE_U32 },
542 /*
543 [IFLA_MAP] = { .len = sizeof(struct rtnl_link_ifmap) },
544 */
545 [IFLA_WEIGHT] = { .type = NETLINK_TYPE_U32 },
546 [IFLA_OPERSTATE] = { .type = NETLINK_TYPE_U8 },
547 [IFLA_LINKMODE] = { .type = NETLINK_TYPE_U8 },
548 [IFLA_LINKINFO] = { .type = NETLINK_TYPE_NESTED, .type_system = &rtnl_link_info_type_system },
549 [IFLA_NET_NS_PID] = { .type = NETLINK_TYPE_U32 },
550 [IFLA_IFALIAS] = { .type = NETLINK_TYPE_STRING, .size = IFALIASZ - 1 },
551 /*
552 [IFLA_NUM_VF],
553 [IFLA_VFINFO_LIST] = {. type = NETLINK_TYPE_NESTED, },
554 */
555 [IFLA_STATS64] = { .size = sizeof(struct rtnl_link_stats64) },
556 /*
557 [IFLA_VF_PORTS] = { .type = NETLINK_TYPE_NESTED },
558 [IFLA_PORT_SELF] = { .type = NETLINK_TYPE_NESTED },
559 */
560 [IFLA_AF_SPEC] = { .type = NETLINK_TYPE_NESTED, .type_system = &rtnl_af_spec_type_system },
561 /*
562 [IFLA_VF_PORTS],
563 [IFLA_PORT_SELF],
564 [IFLA_AF_SPEC],
565 */
566 [IFLA_GROUP] = { .type = NETLINK_TYPE_U32 },
567 [IFLA_NET_NS_FD] = { .type = NETLINK_TYPE_U32 },
568 [IFLA_EXT_MASK] = { .type = NETLINK_TYPE_U32 },
569 [IFLA_PROMISCUITY] = { .type = NETLINK_TYPE_U32 },
570 [IFLA_NUM_TX_QUEUES] = { .type = NETLINK_TYPE_U32 },
571 [IFLA_NUM_RX_QUEUES] = { .type = NETLINK_TYPE_U32 },
572 [IFLA_CARRIER] = { .type = NETLINK_TYPE_U8 },
573 /*
574 [IFLA_PHYS_PORT_ID] = { .type = NETLINK_TYPE_BINARY, .len = MAX_PHYS_PORT_ID_LEN },
575 */
576 [IFLA_MIN_MTU] = { .type = NETLINK_TYPE_U32 },
577 [IFLA_MAX_MTU] = { .type = NETLINK_TYPE_U32 },
578 };
579
580 static const NLTypeSystem rtnl_link_type_system = {
581 .count = ELEMENTSOF(rtnl_link_types),
582 .types = rtnl_link_types,
583 };
584
585 /* IFA_FLAGS was defined in kernel 3.14, but we still support older
586 * kernels where IFA_MAX is lower. */
587 static const NLType rtnl_address_types[] = {
588 [IFA_ADDRESS] = { .type = NETLINK_TYPE_IN_ADDR },
589 [IFA_LOCAL] = { .type = NETLINK_TYPE_IN_ADDR },
590 [IFA_LABEL] = { .type = NETLINK_TYPE_STRING, .size = IFNAMSIZ - 1 },
591 [IFA_BROADCAST] = { .type = NETLINK_TYPE_IN_ADDR }, /* 6? */
592 [IFA_CACHEINFO] = { .type = NETLINK_TYPE_CACHE_INFO, .size = sizeof(struct ifa_cacheinfo) },
593 /*
594 [IFA_ANYCAST],
595 [IFA_MULTICAST],
596 */
597 [IFA_FLAGS] = { .type = NETLINK_TYPE_U32 },
598 };
599
600 static const NLTypeSystem rtnl_address_type_system = {
601 .count = ELEMENTSOF(rtnl_address_types),
602 .types = rtnl_address_types,
603 };
604
605 /* RTM_METRICS --- array of struct rtattr with types of RTAX_* */
606
607 static const NLType rtnl_route_metrics_types[] = {
608 [RTAX_MTU] = { .type = NETLINK_TYPE_U32 },
609 [RTAX_WINDOW] = { .type = NETLINK_TYPE_U32 },
610 [RTAX_RTT] = { .type = NETLINK_TYPE_U32 },
611 [RTAX_RTTVAR] = { .type = NETLINK_TYPE_U32 },
612 [RTAX_SSTHRESH] = { .type = NETLINK_TYPE_U32 },
613 [RTAX_CWND] = { .type = NETLINK_TYPE_U32 },
614 [RTAX_ADVMSS] = { .type = NETLINK_TYPE_U32 },
615 [RTAX_REORDERING] = { .type = NETLINK_TYPE_U32 },
616 [RTAX_HOPLIMIT] = { .type = NETLINK_TYPE_U32 },
617 [RTAX_INITCWND] = { .type = NETLINK_TYPE_U32 },
618 [RTAX_FEATURES] = { .type = NETLINK_TYPE_U32 },
619 [RTAX_RTO_MIN] = { .type = NETLINK_TYPE_U32 },
620 [RTAX_INITRWND] = { .type = NETLINK_TYPE_U32 },
621 [RTAX_QUICKACK] = { .type = NETLINK_TYPE_U32 },
622 [RTAX_CC_ALGO] = { .type = NETLINK_TYPE_U32 },
623 [RTAX_FASTOPEN_NO_COOKIE] = { .type = NETLINK_TYPE_U32 },
624 };
625
626 static const NLTypeSystem rtnl_route_metrics_type_system = {
627 .count = ELEMENTSOF(rtnl_route_metrics_types),
628 .types = rtnl_route_metrics_types,
629 };
630
631 static const NLType rtnl_route_types[] = {
632 [RTA_DST] = { .type = NETLINK_TYPE_IN_ADDR }, /* 6? */
633 [RTA_SRC] = { .type = NETLINK_TYPE_IN_ADDR }, /* 6? */
634 [RTA_IIF] = { .type = NETLINK_TYPE_U32 },
635 [RTA_OIF] = { .type = NETLINK_TYPE_U32 },
636 [RTA_GATEWAY] = { .type = NETLINK_TYPE_IN_ADDR },
637 [RTA_PRIORITY] = { .type = NETLINK_TYPE_U32 },
638 [RTA_PREFSRC] = { .type = NETLINK_TYPE_IN_ADDR }, /* 6? */
639 [RTA_METRICS] = { .type = NETLINK_TYPE_NESTED, .type_system = &rtnl_route_metrics_type_system},
640 [RTA_MULTIPATH] = { .size = sizeof(struct rtnexthop) },
641 [RTA_FLOW] = { .type = NETLINK_TYPE_U32 }, /* 6? */
642 [RTA_CACHEINFO] = { .size = sizeof(struct rta_cacheinfo) },
643 [RTA_TABLE] = { .type = NETLINK_TYPE_U32 },
644 [RTA_MARK] = { .type = NETLINK_TYPE_U32 },
645 [RTA_MFC_STATS] = { .type = NETLINK_TYPE_U64 },
646 [RTA_VIA] = { .type = NETLINK_TYPE_U32 },
647 [RTA_NEWDST] = { .type = NETLINK_TYPE_U32 },
648 [RTA_PREF] = { .type = NETLINK_TYPE_U8 },
649 [RTA_EXPIRES] = { .type = NETLINK_TYPE_U32 },
650 [RTA_ENCAP_TYPE] = { .type = NETLINK_TYPE_U16 },
651 [RTA_ENCAP] = { .type = NETLINK_TYPE_NESTED }, /* Multiple type systems i.e. LWTUNNEL_ENCAP_MPLS/LWTUNNEL_ENCAP_IP/LWTUNNEL_ENCAP_ILA etc... */
652 [RTA_UID] = { .type = NETLINK_TYPE_U32 },
653 [RTA_TTL_PROPAGATE] = { .type = NETLINK_TYPE_U8 },
654 [RTA_IP_PROTO] = { .type = NETLINK_TYPE_U8 },
655 [RTA_SPORT] = { .type = NETLINK_TYPE_U16 },
656 [RTA_DPORT] = { .type = NETLINK_TYPE_U16 },
657 };
658
659 static const NLTypeSystem rtnl_route_type_system = {
660 .count = ELEMENTSOF(rtnl_route_types),
661 .types = rtnl_route_types,
662 };
663
664 static const NLType rtnl_neigh_types[] = {
665 [NDA_DST] = { .type = NETLINK_TYPE_IN_ADDR },
666 [NDA_LLADDR] = { /* struct ether_addr, struct in_addr, or struct in6_addr */ },
667 [NDA_CACHEINFO] = { .type = NETLINK_TYPE_CACHE_INFO, .size = sizeof(struct nda_cacheinfo) },
668 [NDA_PROBES] = { .type = NETLINK_TYPE_U32 },
669 [NDA_VLAN] = { .type = NETLINK_TYPE_U16 },
670 [NDA_PORT] = { .type = NETLINK_TYPE_U16 },
671 [NDA_VNI] = { .type = NETLINK_TYPE_U32 },
672 [NDA_IFINDEX] = { .type = NETLINK_TYPE_U32 },
673 };
674
675 static const NLTypeSystem rtnl_neigh_type_system = {
676 .count = ELEMENTSOF(rtnl_neigh_types),
677 .types = rtnl_neigh_types,
678 };
679
680 static const NLType rtnl_addrlabel_types[] = {
681 [IFAL_ADDRESS] = { .type = NETLINK_TYPE_IN_ADDR, .size = sizeof(struct in6_addr) },
682 [IFAL_LABEL] = { .type = NETLINK_TYPE_U32 },
683 };
684
685 static const NLTypeSystem rtnl_addrlabel_type_system = {
686 .count = ELEMENTSOF(rtnl_addrlabel_types),
687 .types = rtnl_addrlabel_types,
688 };
689
690 static const NLType rtnl_routing_policy_rule_types[] = {
691 [FRA_DST] = { .type = NETLINK_TYPE_IN_ADDR },
692 [FRA_SRC] = { .type = NETLINK_TYPE_IN_ADDR },
693 [FRA_IIFNAME] = { .type = NETLINK_TYPE_STRING },
694 [FRA_GOTO] = { .type = NETLINK_TYPE_U32 },
695 [FRA_PRIORITY] = { .type = NETLINK_TYPE_U32 },
696 [FRA_FWMARK] = { .type = NETLINK_TYPE_U32 },
697 [FRA_FLOW] = { .type = NETLINK_TYPE_U32 },
698 [FRA_TUN_ID] = { .type = NETLINK_TYPE_U64 },
699 [FRA_SUPPRESS_IFGROUP] = { .type = NETLINK_TYPE_U32 },
700 [FRA_SUPPRESS_PREFIXLEN] = { .type = NETLINK_TYPE_U32 },
701 [FRA_TABLE] = { .type = NETLINK_TYPE_U32 },
702 [FRA_FWMASK] = { .type = NETLINK_TYPE_U32 },
703 [FRA_OIFNAME] = { .type = NETLINK_TYPE_STRING },
704 [FRA_PAD] = { .type = NETLINK_TYPE_U32 },
705 [FRA_L3MDEV] = { .type = NETLINK_TYPE_U8 },
706 [FRA_UID_RANGE] = { .size = sizeof(struct fib_rule_uid_range) },
707 [FRA_PROTOCOL] = { .type = NETLINK_TYPE_U8 },
708 [FRA_IP_PROTO] = { .type = NETLINK_TYPE_U8 },
709 [FRA_SPORT_RANGE] = { .size = sizeof(struct fib_rule_port_range) },
710 [FRA_DPORT_RANGE] = { .size = sizeof(struct fib_rule_port_range) },
711 };
712
713 static const NLTypeSystem rtnl_routing_policy_rule_type_system = {
714 .count = ELEMENTSOF(rtnl_routing_policy_rule_types),
715 .types = rtnl_routing_policy_rule_types,
716 };
717
718 static const NLType rtnl_types[] = {
719 [NLMSG_DONE] = { .type = NETLINK_TYPE_NESTED, .type_system = &empty_type_system, .size = 0 },
720 [NLMSG_ERROR] = { .type = NETLINK_TYPE_NESTED, .type_system = &empty_type_system, .size = sizeof(struct nlmsgerr) },
721 [RTM_NEWLINK] = { .type = NETLINK_TYPE_NESTED, .type_system = &rtnl_link_type_system, .size = sizeof(struct ifinfomsg) },
722 [RTM_DELLINK] = { .type = NETLINK_TYPE_NESTED, .type_system = &rtnl_link_type_system, .size = sizeof(struct ifinfomsg) },
723 [RTM_GETLINK] = { .type = NETLINK_TYPE_NESTED, .type_system = &rtnl_link_type_system, .size = sizeof(struct ifinfomsg) },
724 [RTM_SETLINK] = { .type = NETLINK_TYPE_NESTED, .type_system = &rtnl_link_type_system, .size = sizeof(struct ifinfomsg) },
725 [RTM_NEWADDR] = { .type = NETLINK_TYPE_NESTED, .type_system = &rtnl_address_type_system, .size = sizeof(struct ifaddrmsg) },
726 [RTM_DELADDR] = { .type = NETLINK_TYPE_NESTED, .type_system = &rtnl_address_type_system, .size = sizeof(struct ifaddrmsg) },
727 [RTM_GETADDR] = { .type = NETLINK_TYPE_NESTED, .type_system = &rtnl_address_type_system, .size = sizeof(struct ifaddrmsg) },
728 [RTM_NEWROUTE] = { .type = NETLINK_TYPE_NESTED, .type_system = &rtnl_route_type_system, .size = sizeof(struct rtmsg) },
729 [RTM_DELROUTE] = { .type = NETLINK_TYPE_NESTED, .type_system = &rtnl_route_type_system, .size = sizeof(struct rtmsg) },
730 [RTM_GETROUTE] = { .type = NETLINK_TYPE_NESTED, .type_system = &rtnl_route_type_system, .size = sizeof(struct rtmsg) },
731 [RTM_NEWNEIGH] = { .type = NETLINK_TYPE_NESTED, .type_system = &rtnl_neigh_type_system, .size = sizeof(struct ndmsg) },
732 [RTM_DELNEIGH] = { .type = NETLINK_TYPE_NESTED, .type_system = &rtnl_neigh_type_system, .size = sizeof(struct ndmsg) },
733 [RTM_GETNEIGH] = { .type = NETLINK_TYPE_NESTED, .type_system = &rtnl_neigh_type_system, .size = sizeof(struct ndmsg) },
734 [RTM_NEWADDRLABEL] = { .type = NETLINK_TYPE_NESTED, .type_system = &rtnl_addrlabel_type_system, .size = sizeof(struct ifaddrlblmsg) },
735 [RTM_DELADDRLABEL] = { .type = NETLINK_TYPE_NESTED, .type_system = &rtnl_addrlabel_type_system, .size = sizeof(struct ifaddrlblmsg) },
736 [RTM_GETADDRLABEL] = { .type = NETLINK_TYPE_NESTED, .type_system = &rtnl_addrlabel_type_system, .size = sizeof(struct ifaddrlblmsg) },
737 [RTM_NEWRULE] = { .type = NETLINK_TYPE_NESTED, .type_system = &rtnl_routing_policy_rule_type_system, .size = sizeof(struct rtmsg) },
738 [RTM_DELRULE] = { .type = NETLINK_TYPE_NESTED, .type_system = &rtnl_routing_policy_rule_type_system, .size = sizeof(struct rtmsg) },
739 [RTM_GETRULE] = { .type = NETLINK_TYPE_NESTED, .type_system = &rtnl_routing_policy_rule_type_system, .size = sizeof(struct rtmsg) },
740 };
741
742 const NLTypeSystem rtnl_type_system_root = {
743 .count = ELEMENTSOF(rtnl_types),
744 .types = rtnl_types,
745 };
746
747 static const NLType genl_wireguard_allowedip_types[] = {
748 [WGALLOWEDIP_A_FAMILY] = { .type = NETLINK_TYPE_U16 },
749 [WGALLOWEDIP_A_IPADDR] = { .type = NETLINK_TYPE_IN_ADDR },
750 [WGALLOWEDIP_A_CIDR_MASK] = { .type = NETLINK_TYPE_U8 },
751 };
752
753 static const NLTypeSystem genl_wireguard_allowedip_type_system = {
754 .count = ELEMENTSOF(genl_wireguard_allowedip_types),
755 .types = genl_wireguard_allowedip_types,
756 };
757
758 static const NLType genl_wireguard_peer_types[] = {
759 [WGPEER_A_PUBLIC_KEY] = { .size = WG_KEY_LEN },
760 [WGPEER_A_FLAGS] = { .type = NETLINK_TYPE_U32 },
761 [WGPEER_A_PRESHARED_KEY] = { .size = WG_KEY_LEN },
762 [WGPEER_A_PERSISTENT_KEEPALIVE_INTERVAL] = { .type = NETLINK_TYPE_U16 },
763 [WGPEER_A_ENDPOINT] = { .type = NETLINK_TYPE_SOCKADDR },
764 [WGPEER_A_ALLOWEDIPS] = { .type = NETLINK_TYPE_NESTED, .type_system = &genl_wireguard_allowedip_type_system },
765 };
766
767 static const NLTypeSystem genl_wireguard_peer_type_system = {
768 .count = ELEMENTSOF(genl_wireguard_peer_types),
769 .types = genl_wireguard_peer_types,
770 };
771
772 static const NLType genl_wireguard_set_device_types[] = {
773 [WGDEVICE_A_IFINDEX] = { .type = NETLINK_TYPE_U32 },
774 [WGDEVICE_A_IFNAME] = { .type = NETLINK_TYPE_STRING, .size = IFNAMSIZ-1 },
775 [WGDEVICE_A_FLAGS] = { .type = NETLINK_TYPE_U32 },
776 [WGDEVICE_A_PRIVATE_KEY] = { .size = WG_KEY_LEN },
777 [WGDEVICE_A_LISTEN_PORT] = { .type = NETLINK_TYPE_U16 },
778 [WGDEVICE_A_FWMARK] = { .type = NETLINK_TYPE_U32 },
779 [WGDEVICE_A_PEERS] = { .type = NETLINK_TYPE_NESTED, .type_system = &genl_wireguard_peer_type_system },
780 };
781
782 static const NLTypeSystem genl_wireguard_set_device_type_system = {
783 .count = ELEMENTSOF(genl_wireguard_set_device_types),
784 .types = genl_wireguard_set_device_types,
785 };
786
787 static const NLType genl_wireguard_cmds[] = {
788 [WG_CMD_SET_DEVICE] = { .type = NETLINK_TYPE_NESTED, .type_system = &genl_wireguard_set_device_type_system },
789 };
790
791 static const NLTypeSystem genl_wireguard_type_system = {
792 .count = ELEMENTSOF(genl_wireguard_cmds),
793 .types = genl_wireguard_cmds,
794 };
795
796 static const NLType genl_mcast_group_types[] = {
797 [CTRL_ATTR_MCAST_GRP_NAME] = { .type = NETLINK_TYPE_STRING },
798 [CTRL_ATTR_MCAST_GRP_ID] = { .type = NETLINK_TYPE_U32 },
799 };
800
801 static const NLTypeSystem genl_mcast_group_type_system = {
802 .count = ELEMENTSOF(genl_mcast_group_types),
803 .types = genl_mcast_group_types,
804 };
805
806 static const NLType genl_get_family_types[] = {
807 [CTRL_ATTR_FAMILY_NAME] = { .type = NETLINK_TYPE_STRING },
808 [CTRL_ATTR_FAMILY_ID] = { .type = NETLINK_TYPE_U16 },
809 [CTRL_ATTR_MCAST_GROUPS] = { .type = NETLINK_TYPE_NESTED, .type_system = &genl_mcast_group_type_system },
810 };
811
812 static const NLTypeSystem genl_get_family_type_system = {
813 .count = ELEMENTSOF(genl_get_family_types),
814 .types = genl_get_family_types,
815 };
816
817 static const NLType genl_ctrl_id_ctrl_cmds[] = {
818 [CTRL_CMD_GETFAMILY] = { .type = NETLINK_TYPE_NESTED, .type_system = &genl_get_family_type_system },
819 };
820
821 static const NLTypeSystem genl_ctrl_id_ctrl_type_system = {
822 .count = ELEMENTSOF(genl_ctrl_id_ctrl_cmds),
823 .types = genl_ctrl_id_ctrl_cmds,
824 };
825
826 static const NLType genl_fou_types[] = {
827 [FOU_ATTR_PORT] = { .type = NETLINK_TYPE_U16 },
828 [FOU_ATTR_AF] = { .type = NETLINK_TYPE_U8 },
829 [FOU_ATTR_IPPROTO] = { .type = NETLINK_TYPE_U8 },
830 [FOU_ATTR_TYPE] = { .type = NETLINK_TYPE_U8 },
831 [FOU_ATTR_REMCSUM_NOPARTIAL] = { .type = NETLINK_TYPE_FLAG },
832 [FOU_ATTR_LOCAL_V4] = { .type = NETLINK_TYPE_IN_ADDR },
833 [FOU_ATTR_PEER_V4] = { .type = NETLINK_TYPE_IN_ADDR },
834 [FOU_ATTR_LOCAL_V6] = { .type = NETLINK_TYPE_IN_ADDR },
835 [FOU_ATTR_PEER_V6] = { .type = NETLINK_TYPE_IN_ADDR},
836 [FOU_ATTR_PEER_PORT] = { .type = NETLINK_TYPE_U16},
837 [FOU_ATTR_IFINDEX] = { .type = NETLINK_TYPE_U32},
838 };
839
840 static const NLTypeSystem genl_fou_type_system = {
841 .count = ELEMENTSOF(genl_fou_types),
842 .types = genl_fou_types,
843 };
844
845 static const NLType genl_fou_cmds[] = {
846 [FOU_CMD_ADD] = { .type = NETLINK_TYPE_NESTED, .type_system = &genl_fou_type_system },
847 [FOU_CMD_DEL] = { .type = NETLINK_TYPE_NESTED, .type_system = &genl_fou_type_system },
848 [FOU_CMD_GET] = { .type = NETLINK_TYPE_NESTED, .type_system = &genl_fou_type_system },
849 };
850
851 static const NLTypeSystem genl_fou_cmds_type_system = {
852 .count = ELEMENTSOF(genl_fou_cmds),
853 .types = genl_fou_cmds,
854 };
855
856 static const NLType genl_l2tp_types[] = {
857 [L2TP_ATTR_PW_TYPE] = { .type = NETLINK_TYPE_U16 },
858 [L2TP_ATTR_ENCAP_TYPE] = { .type = NETLINK_TYPE_U16 },
859 [L2TP_ATTR_OFFSET] = { .type = NETLINK_TYPE_U16 },
860 [L2TP_ATTR_DATA_SEQ] = { .type = NETLINK_TYPE_U16 },
861 [L2TP_ATTR_L2SPEC_TYPE] = { .type = NETLINK_TYPE_U8 },
862 [L2TP_ATTR_L2SPEC_LEN] = { .type = NETLINK_TYPE_U8 },
863 [L2TP_ATTR_PROTO_VERSION] = { .type = NETLINK_TYPE_U8 },
864 [L2TP_ATTR_IFNAME] = { .type = NETLINK_TYPE_STRING },
865 [L2TP_ATTR_CONN_ID] = { .type = NETLINK_TYPE_U32 },
866 [L2TP_ATTR_PEER_CONN_ID] = { .type = NETLINK_TYPE_U32 },
867 [L2TP_ATTR_SESSION_ID] = { .type = NETLINK_TYPE_U32 },
868 [L2TP_ATTR_PEER_SESSION_ID] = { .type = NETLINK_TYPE_U32 },
869 [L2TP_ATTR_UDP_CSUM] = { .type = NETLINK_TYPE_U8 },
870 [L2TP_ATTR_VLAN_ID] = { .type = NETLINK_TYPE_U16 },
871 [L2TP_ATTR_RECV_SEQ] = { .type = NETLINK_TYPE_U8 },
872 [L2TP_ATTR_SEND_SEQ] = { .type = NETLINK_TYPE_U8 },
873 [L2TP_ATTR_LNS_MODE] = { .type = NETLINK_TYPE_U8 },
874 [L2TP_ATTR_USING_IPSEC] = { .type = NETLINK_TYPE_U8 },
875 [L2TP_ATTR_FD] = { .type = NETLINK_TYPE_U32 },
876 [L2TP_ATTR_IP_SADDR] = { .type = NETLINK_TYPE_IN_ADDR },
877 [L2TP_ATTR_IP_DADDR] = { .type = NETLINK_TYPE_IN_ADDR },
878 [L2TP_ATTR_UDP_SPORT] = { .type = NETLINK_TYPE_U16 },
879 [L2TP_ATTR_UDP_DPORT] = { .type = NETLINK_TYPE_U16 },
880 [L2TP_ATTR_IP6_SADDR] = { .type = NETLINK_TYPE_IN_ADDR },
881 [L2TP_ATTR_IP6_DADDR] = { .type = NETLINK_TYPE_IN_ADDR },
882 [L2TP_ATTR_UDP_ZERO_CSUM6_TX] = { .type = NETLINK_TYPE_FLAG },
883 [L2TP_ATTR_UDP_ZERO_CSUM6_RX] = { .type = NETLINK_TYPE_FLAG },
884 };
885
886 static const NLTypeSystem genl_l2tp_type_system = {
887 .count = ELEMENTSOF(genl_l2tp_types),
888 .types = genl_l2tp_types,
889 };
890
891 static const NLType genl_l2tp[] = {
892 [L2TP_CMD_TUNNEL_CREATE] = { .type = NETLINK_TYPE_NESTED, .type_system = &genl_l2tp_type_system },
893 [L2TP_CMD_TUNNEL_DELETE] = { .type = NETLINK_TYPE_NESTED, .type_system = &genl_l2tp_type_system },
894 [L2TP_CMD_TUNNEL_MODIFY] = { .type = NETLINK_TYPE_NESTED, .type_system = &genl_l2tp_type_system },
895 [L2TP_CMD_TUNNEL_GET] = { .type = NETLINK_TYPE_NESTED, .type_system = &genl_l2tp_type_system },
896 [L2TP_CMD_SESSION_CREATE] = { .type = NETLINK_TYPE_NESTED, .type_system = &genl_l2tp_type_system },
897 [L2TP_CMD_SESSION_DELETE] = { .type = NETLINK_TYPE_NESTED, .type_system = &genl_l2tp_type_system },
898 [L2TP_CMD_SESSION_MODIFY] = { .type = NETLINK_TYPE_NESTED, .type_system = &genl_l2tp_type_system },
899 [L2TP_CMD_SESSION_GET] = { .type = NETLINK_TYPE_NESTED, .type_system = &genl_l2tp_type_system },
900 };
901
902 static const NLTypeSystem genl_l2tp_tunnel_session_type_system = {
903 .count = ELEMENTSOF(genl_l2tp),
904 .types = genl_l2tp,
905 };
906
907 static const NLType genl_rxsc_types[] = {
908 [MACSEC_RXSC_ATTR_SCI] = { .type = NETLINK_TYPE_U64 },
909 };
910
911 static const NLTypeSystem genl_rxsc_config_type_system = {
912 .count = ELEMENTSOF(genl_rxsc_types),
913 .types = genl_rxsc_types,
914 };
915
916 static const NLType genl_macsec_rxsc_types[] = {
917 [MACSEC_ATTR_IFINDEX] = { .type = NETLINK_TYPE_U32 },
918 [MACSEC_ATTR_RXSC_CONFIG] = { .type = NETLINK_TYPE_NESTED, .type_system = &genl_rxsc_config_type_system },
919 };
920
921 static const NLTypeSystem genl_macsec_rxsc_type_system = {
922 .count = ELEMENTSOF(genl_macsec_rxsc_types),
923 .types = genl_macsec_rxsc_types,
924 };
925
926 static const NLType genl_macsec_sa_config_types[] = {
927 [MACSEC_SA_ATTR_AN] = { .type = NETLINK_TYPE_U8 },
928 [MACSEC_SA_ATTR_ACTIVE] = { .type = NETLINK_TYPE_U8 },
929 [MACSEC_SA_ATTR_PN] = { .type = NETLINK_TYPE_U32 },
930 [MACSEC_SA_ATTR_KEYID] = { .size = MACSEC_KEYID_LEN },
931 [MACSEC_SA_ATTR_KEY] = { .size = MACSEC_MAX_KEY_LEN },
932 };
933
934 static const NLTypeSystem genl_macsec_sa_config_type_system = {
935 .count = ELEMENTSOF(genl_macsec_sa_config_types),
936 .types = genl_macsec_sa_config_types,
937 };
938
939 static const NLType genl_macsec_rxsa_types[] = {
940 [MACSEC_ATTR_IFINDEX] = { .type = NETLINK_TYPE_U32 },
941 [MACSEC_ATTR_SA_CONFIG] = { .type = NETLINK_TYPE_NESTED, .type_system = &genl_macsec_sa_config_type_system },
942 };
943
944 static const NLTypeSystem genl_macsec_rxsa_type_system = {
945 .count = ELEMENTSOF(genl_macsec_rxsa_types),
946 .types = genl_macsec_rxsa_types,
947 };
948
949 static const NLType genl_macsec_sa_types[] = {
950 [MACSEC_ATTR_IFINDEX] = { .type = NETLINK_TYPE_U32 },
951 [MACSEC_ATTR_RXSC_CONFIG] = { .type = NETLINK_TYPE_NESTED, .type_system = &genl_rxsc_config_type_system },
952 [MACSEC_ATTR_SA_CONFIG] = { .type = NETLINK_TYPE_NESTED, .type_system = &genl_macsec_sa_config_type_system },
953 };
954
955 static const NLTypeSystem genl_macsec_sa_type_system = {
956 .count = ELEMENTSOF(genl_macsec_sa_types),
957 .types = genl_macsec_sa_types,
958 };
959
960 static const NLType genl_macsec[] = {
961 [MACSEC_CMD_ADD_RXSC] = { .type = NETLINK_TYPE_NESTED, .type_system = &genl_macsec_rxsc_type_system },
962 [MACSEC_CMD_ADD_TXSA] = { .type = NETLINK_TYPE_NESTED, .type_system = &genl_macsec_rxsa_type_system},
963 [MACSEC_CMD_ADD_RXSA] = { .type = NETLINK_TYPE_NESTED, .type_system = &genl_macsec_sa_type_system },
964 };
965
966 static const NLTypeSystem genl_macsec_device_type_system = {
967 .count = ELEMENTSOF(genl_macsec),
968 .types = genl_macsec,
969 };
970
971 static const NLType genl_families[] = {
972 [SD_GENL_ID_CTRL] = { .type = NETLINK_TYPE_NESTED, .type_system = &genl_ctrl_id_ctrl_type_system },
973 [SD_GENL_WIREGUARD] = { .type = NETLINK_TYPE_NESTED, .type_system = &genl_wireguard_type_system },
974 [SD_GENL_FOU] = { .type = NETLINK_TYPE_NESTED, .type_system = &genl_fou_cmds_type_system},
975 [SD_GENL_L2TP] = { .type = NETLINK_TYPE_NESTED, .type_system = &genl_l2tp_tunnel_session_type_system },
976 [SD_GENL_MACSEC] = { .type = NETLINK_TYPE_NESTED, .type_system = &genl_macsec_device_type_system },
977 };
978
979 const NLTypeSystem genl_family_type_system_root = {
980 .count = ELEMENTSOF(genl_families),
981 .types = genl_families,
982 };
983
984 static const NLType genl_types[] = {
985 [NLMSG_ERROR] = { .type = NETLINK_TYPE_NESTED, .type_system = &empty_type_system, .size = sizeof(struct nlmsgerr) },
986 [GENL_ID_CTRL] = { .type = NETLINK_TYPE_NESTED, .type_system = &genl_get_family_type_system, .size = sizeof(struct genlmsghdr) },
987 };
988
989 const NLTypeSystem genl_type_system_root = {
990 .count = ELEMENTSOF(genl_types),
991 .types = genl_types,
992 };
993
994 uint16_t type_get_type(const NLType *type) {
995 assert(type);
996 return type->type;
997 }
998
999 size_t type_get_size(const NLType *type) {
1000 assert(type);
1001 return type->size;
1002 }
1003
1004 void type_get_type_system(const NLType *nl_type, const NLTypeSystem **ret) {
1005 assert(nl_type);
1006 assert(ret);
1007 assert(nl_type->type == NETLINK_TYPE_NESTED);
1008 assert(nl_type->type_system);
1009
1010 *ret = nl_type->type_system;
1011 }
1012
1013 void type_get_type_system_union(const NLType *nl_type, const NLTypeSystemUnion **ret) {
1014 assert(nl_type);
1015 assert(ret);
1016 assert(nl_type->type == NETLINK_TYPE_UNION);
1017 assert(nl_type->type_system_union);
1018
1019 *ret = nl_type->type_system_union;
1020 }
1021
1022 uint16_t type_system_get_count(const NLTypeSystem *type_system) {
1023 assert(type_system);
1024 return type_system->count;
1025 }
1026
1027 const NLTypeSystem *type_system_get_root(int protocol) {
1028 switch (protocol) {
1029 case NETLINK_GENERIC:
1030 return &genl_type_system_root;
1031 default: /* NETLINK_ROUTE: */
1032 return &rtnl_type_system_root;
1033 }
1034 }
1035
1036 int type_system_get_type(const NLTypeSystem *type_system, const NLType **ret, uint16_t type) {
1037 const NLType *nl_type;
1038
1039 assert(ret);
1040 assert(type_system);
1041 assert(type_system->types);
1042
1043 if (type >= type_system->count)
1044 return -EOPNOTSUPP;
1045
1046 nl_type = &type_system->types[type];
1047
1048 if (nl_type->type == NETLINK_TYPE_UNSPEC)
1049 return -EOPNOTSUPP;
1050
1051 *ret = nl_type;
1052
1053 return 0;
1054 }
1055
1056 int type_system_get_type_system(const NLTypeSystem *type_system, const NLTypeSystem **ret, uint16_t type) {
1057 const NLType *nl_type;
1058 int r;
1059
1060 assert(ret);
1061
1062 r = type_system_get_type(type_system, &nl_type, type);
1063 if (r < 0)
1064 return r;
1065
1066 type_get_type_system(nl_type, ret);
1067 return 0;
1068 }
1069
1070 int type_system_get_type_system_union(const NLTypeSystem *type_system, const NLTypeSystemUnion **ret, uint16_t type) {
1071 const NLType *nl_type;
1072 int r;
1073
1074 assert(ret);
1075
1076 r = type_system_get_type(type_system, &nl_type, type);
1077 if (r < 0)
1078 return r;
1079
1080 type_get_type_system_union(nl_type, ret);
1081 return 0;
1082 }
1083
1084 int type_system_union_get_type_system(const NLTypeSystemUnion *type_system_union, const NLTypeSystem **ret, const char *key) {
1085 int type;
1086
1087 assert(type_system_union);
1088 assert(type_system_union->match_type == NL_MATCH_SIBLING);
1089 assert(type_system_union->lookup);
1090 assert(type_system_union->type_systems);
1091 assert(ret);
1092 assert(key);
1093
1094 type = type_system_union->lookup(key);
1095 if (type < 0)
1096 return -EOPNOTSUPP;
1097
1098 assert(type < type_system_union->num);
1099
1100 *ret = &type_system_union->type_systems[type];
1101
1102 return 0;
1103 }
1104
1105 int type_system_union_protocol_get_type_system(const NLTypeSystemUnion *type_system_union, const NLTypeSystem **ret, uint16_t protocol) {
1106 const NLTypeSystem *type_system;
1107
1108 assert(type_system_union);
1109 assert(type_system_union->type_systems);
1110 assert(type_system_union->match_type == NL_MATCH_PROTOCOL);
1111 assert(ret);
1112
1113 if (protocol >= type_system_union->num)
1114 return -EOPNOTSUPP;
1115
1116 type_system = &type_system_union->type_systems[protocol];
1117 if (!type_system->types)
1118 return -EOPNOTSUPP;
1119
1120 *ret = type_system;
1121
1122 return 0;
1123 }