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