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load-fragment: ignore ENOTDIR/EACCES errors (#3510)
[thirdparty/systemd.git] / src / libsystemd / sd-netlink / netlink-types.c
CommitLineData
d8e538ec
TG		 1/***
2 This file is part of systemd.
3
4 Copyright 2014 Tom Gundersen <teg@jklm.no>
5
6 systemd is free software; you can redistribute it and/or modify it
7 under the terms of the GNU Lesser General Public License as published by
8 the Free Software Foundation; either version 2.1 of the License, or
9 (at your option) any later version.
10
11 systemd is distributed in the hope that it will be useful, but
12 WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 Lesser General Public License for more details.
15
16 You should have received a copy of the GNU Lesser General Public License
17 along with systemd; If not, see <http://www.gnu.org/licenses/>.
18***/
19
d8e538ec
TG		 20#include <stdint.h>
21#include <sys/socket.h>
22#include <linux/netlink.h>
23#include <linux/rtnetlink.h>
e410b07d 24#include <linux/in6.h>
d8e538ec
TG		 25#include <linux/veth.h>
26#include <linux/if_bridge.h>
27#include <linux/if_addr.h>
28#include <linux/if.h>
0a827d10 29#include <linux/ip.h>
c4a5ddc9 30#include <linux/if_link.h>
0a827d10
SS		 31#include <linux/if_tunnel.h>
32
d8e538ec 33#include "macro.h"
0830ba61 34#include "missing.h"
8b43440b
LP		 35#include "netlink-types.h"
36#include "string-table.h"
37#include "util.h"
d8e538ec 38
dd906398
DH		 39/* Maximum ARP IP target defined in kernel */
40#define BOND_MAX_ARP_TARGETS 16
41
42typedef enum {
43 BOND_ARP_TARGETS_0,
44 BOND_ARP_TARGETS_1,
45 BOND_ARP_TARGETS_2,
46 BOND_ARP_TARGETS_3,
47 BOND_ARP_TARGETS_4,
48 BOND_ARP_TARGETS_5,
49 BOND_ARP_TARGETS_6,
50 BOND_ARP_TARGETS_7,
51 BOND_ARP_TARGETS_8,
52 BOND_ARP_TARGETS_9,
53 BOND_ARP_TARGETS_10,
54 BOND_ARP_TARGETS_11,
55 BOND_ARP_TARGETS_12,
56 BOND_ARP_TARGETS_13,
57 BOND_ARP_TARGETS_14,
58 BOND_ARP_TARGETS_MAX = BOND_MAX_ARP_TARGETS,
59} BondArpTargets;
60
817d1cd8
DH		 61struct NLType {
62 uint16_t type;
63 size_t size;
64 const NLTypeSystem *type_system;
65 const NLTypeSystemUnion *type_system_union;
66};
67
435bbb02 68struct NLTypeSystem {
c1df8dee 69 uint16_t count;
435bbb02
DH		 70 const NLType *types;
71};
72
d8e538ec
TG		 73static const NLTypeSystem rtnl_link_type_system;
74
979e7eb9
DH		 75static const NLType empty_types[1] = {
76 /* fake array to avoid .types==NULL, which denotes invalid type-systems */
77};
78
79static const NLTypeSystem empty_type_system = {
80 .count = 0,
81 .types = empty_types,
82};
83
8ae4b6d1 84static const NLType rtnl_link_info_data_veth_types[] = {
cafbc790 85 [VETH_INFO_PEER] = { .type = NETLINK_TYPE_NESTED, .type_system = &rtnl_link_type_system, .size = sizeof(struct ifinfomsg) },
d8e538ec
TG		 86};
87
8ae4b6d1 88static const NLType rtnl_link_info_data_ipvlan_types[] = {
cafbc790 89 [IFLA_IPVLAN_MODE] = { .type = NETLINK_TYPE_U16 },
c4a5ddc9 90};
d8e538ec 91
8ae4b6d1 92static const NLType rtnl_link_info_data_macvlan_types[] = {
cafbc790
DH		 93 [IFLA_MACVLAN_MODE] = { .type = NETLINK_TYPE_U32 },
94 [IFLA_MACVLAN_FLAGS] = { .type = NETLINK_TYPE_U16 },
d8e538ec
TG		 95};
96
8ae4b6d1 97static const NLType rtnl_link_info_data_bridge_types[] = {
3fef7a3f
SS		 98 [IFLA_BR_FORWARD_DELAY] = { .type = NETLINK_TYPE_U32 },
99 [IFLA_BR_HELLO_TIME] = { .type = NETLINK_TYPE_U32 },
100 [IFLA_BR_MAX_AGE] = { .type = NETLINK_TYPE_U32 },
101 [IFLA_BR_AGEING_TIME] = { .type = NETLINK_TYPE_U32 },
102 [IFLA_BR_STP_STATE] = { .type = NETLINK_TYPE_U32 },
103 [IFLA_BR_PRIORITY] = { .type = NETLINK_TYPE_U16 },
104 [IFLA_BR_VLAN_FILTERING] = { .type = NETLINK_TYPE_U8 },
105 [IFLA_BR_VLAN_PROTOCOL] = { .type = NETLINK_TYPE_U16 },
106 [IFLA_BR_GROUP_FWD_MASK] = { .type = NETLINK_TYPE_U16 },
107 [IFLA_BR_ROOT_PORT] = { .type = NETLINK_TYPE_U16 },
108 [IFLA_BR_ROOT_PATH_COST] = { .type = NETLINK_TYPE_U32 },
109 [IFLA_BR_TOPOLOGY_CHANGE] = { .type = NETLINK_TYPE_U8 },
110 [IFLA_BR_TOPOLOGY_CHANGE_DETECTED] = { .type = NETLINK_TYPE_U8 },
111 [IFLA_BR_HELLO_TIMER] = { .type = NETLINK_TYPE_U16 },
112 [IFLA_BR_TCN_TIMER] = { .type = NETLINK_TYPE_U16 },
113 [IFLA_BR_TOPOLOGY_CHANGE_TIMER] = { .type = NETLINK_TYPE_U16 },
114 [IFLA_BR_GC_TIMER] = { .type = NETLINK_TYPE_U64 },
115 [IFLA_BR_GROUP_ADDR] = { .type = NETLINK_TYPE_U16 },
116 [IFLA_BR_FDB_FLUSH] = { .type = NETLINK_TYPE_U16 },
117 [IFLA_BR_MCAST_ROUTER] = { .type = NETLINK_TYPE_U8 },
118 [IFLA_BR_MCAST_SNOOPING] = { .type = NETLINK_TYPE_U8 },
119 [IFLA_BR_MCAST_QUERY_USE_IFADDR] = { .type = NETLINK_TYPE_U8 },
120 [IFLA_BR_MCAST_QUERIER] = { .type = NETLINK_TYPE_U8 },
121 [IFLA_BR_MCAST_HASH_ELASTICITY] = { .type = NETLINK_TYPE_U32 },
122 [IFLA_BR_MCAST_HASH_MAX] = { .type = NETLINK_TYPE_U16 },
123 [IFLA_BR_MCAST_LAST_MEMBER_CNT] = { .type = NETLINK_TYPE_U32 },
124 [IFLA_BR_MCAST_STARTUP_QUERY_CNT] = { .type = NETLINK_TYPE_U16 },
125 [IFLA_BR_MCAST_LAST_MEMBER_INTVL] = { .type = NETLINK_TYPE_U64 },
126 [IFLA_BR_MCAST_MEMBERSHIP_INTVL] = { .type = NETLINK_TYPE_U64 },
127 [IFLA_BR_MCAST_QUERIER_INTVL] = { .type = NETLINK_TYPE_U64 },
128 [IFLA_BR_MCAST_QUERY_INTVL] = { .type = NETLINK_TYPE_U64 },
129 [IFLA_BR_MCAST_QUERY_RESPONSE_INTVL] = { .type = NETLINK_TYPE_U64 },
130 [IFLA_BR_MCAST_STARTUP_QUERY_INTVL] = { .type = NETLINK_TYPE_U64 },
131 [IFLA_BR_NF_CALL_IPTABLES] = { .type = NETLINK_TYPE_U8 },
132 [IFLA_BR_NF_CALL_IP6TABLES] = { .type = NETLINK_TYPE_U8 },
133 [IFLA_BR_NF_CALL_ARPTABLES] = { .type = NETLINK_TYPE_U8 },
134 [IFLA_BR_VLAN_DEFAULT_PVID] = { .type = NETLINK_TYPE_U16 },
ced671e1
SS		 135};
136
8ae4b6d1 137static const NLType rtnl_link_info_data_vlan_types[] = {
cafbc790 138 [IFLA_VLAN_ID] = { .type = NETLINK_TYPE_U16 },
d8e538ec
TG		 139/*
140 [IFLA_VLAN_FLAGS] = { .len = sizeof(struct ifla_vlan_flags) },
cafbc790
DH		 141 [IFLA_VLAN_EGRESS_QOS] = { .type = NETLINK_TYPE_NESTED },
142 [IFLA_VLAN_INGRESS_QOS] = { .type = NETLINK_TYPE_NESTED },
d8e538ec 143*/
cafbc790 144 [IFLA_VLAN_PROTOCOL] = { .type = NETLINK_TYPE_U16 },
d8e538ec
TG		 145};
146
8ae4b6d1 147static const NLType rtnl_link_info_data_vxlan_types[] = {
452c9569
SS		 148 [IFLA_VXLAN_ID] = { .type = NETLINK_TYPE_U32 },
149 [IFLA_VXLAN_GROUP] = { .type = NETLINK_TYPE_IN_ADDR },
150 [IFLA_VXLAN_LINK] = { .type = NETLINK_TYPE_U32 },
151 [IFLA_VXLAN_LOCAL] = { .type = NETLINK_TYPE_U32},
152 [IFLA_VXLAN_TTL] = { .type = NETLINK_TYPE_U8 },
153 [IFLA_VXLAN_TOS] = { .type = NETLINK_TYPE_U8 },
154 [IFLA_VXLAN_LEARNING] = { .type = NETLINK_TYPE_U8 },
155 [IFLA_VXLAN_AGEING] = { .type = NETLINK_TYPE_U32 },
156 [IFLA_VXLAN_LIMIT] = { .type = NETLINK_TYPE_U32 },
157 [IFLA_VXLAN_PORT_RANGE] = { .type = NETLINK_TYPE_U32},
158 [IFLA_VXLAN_PROXY] = { .type = NETLINK_TYPE_U8 },
159 [IFLA_VXLAN_RSC] = { .type = NETLINK_TYPE_U8 },
160 [IFLA_VXLAN_L2MISS] = { .type = NETLINK_TYPE_U8 },
161 [IFLA_VXLAN_L3MISS] = { .type = NETLINK_TYPE_U8 },
162 [IFLA_VXLAN_PORT] = { .type = NETLINK_TYPE_U16 },
163 [IFLA_VXLAN_GROUP6] = { .type = NETLINK_TYPE_IN_ADDR },
164 [IFLA_VXLAN_LOCAL6] = { .type = NETLINK_TYPE_IN_ADDR },
165 [IFLA_VXLAN_UDP_CSUM] = { .type = NETLINK_TYPE_U8 },
166 [IFLA_VXLAN_UDP_ZERO_CSUM6_TX] = { .type = NETLINK_TYPE_U8 },
167 [IFLA_VXLAN_UDP_ZERO_CSUM6_RX] = { .type = NETLINK_TYPE_U8 },
168 [IFLA_VXLAN_REMCSUM_TX] = { .type = NETLINK_TYPE_U8 },
169 [IFLA_VXLAN_REMCSUM_RX] = { .type = NETLINK_TYPE_U8 },
170 [IFLA_VXLAN_GBP] = { .type = NETLINK_TYPE_FLAG },
171 [IFLA_VXLAN_REMCSUM_NOPARTIAL] = { .type = NETLINK_TYPE_FLAG },
6ef81477
SS		 172};
173
8ae4b6d1 174static const NLType rtnl_bond_arp_target_types[] = {
cafbc790
DH		 175 [BOND_ARP_TARGETS_0] = { .type = NETLINK_TYPE_U32 },
176 [BOND_ARP_TARGETS_1] = { .type = NETLINK_TYPE_U32 },
177 [BOND_ARP_TARGETS_2] = { .type = NETLINK_TYPE_U32 },
178 [BOND_ARP_TARGETS_3] = { .type = NETLINK_TYPE_U32 },
179 [BOND_ARP_TARGETS_4] = { .type = NETLINK_TYPE_U32 },
180 [BOND_ARP_TARGETS_5] = { .type = NETLINK_TYPE_U32 },
181 [BOND_ARP_TARGETS_6] = { .type = NETLINK_TYPE_U32 },
182 [BOND_ARP_TARGETS_7] = { .type = NETLINK_TYPE_U32 },
183 [BOND_ARP_TARGETS_8] = { .type = NETLINK_TYPE_U32 },
184 [BOND_ARP_TARGETS_9] = { .type = NETLINK_TYPE_U32 },
185 [BOND_ARP_TARGETS_10] = { .type = NETLINK_TYPE_U32 },
186 [BOND_ARP_TARGETS_11] = { .type = NETLINK_TYPE_U32 },
187 [BOND_ARP_TARGETS_12] = { .type = NETLINK_TYPE_U32 },
188 [BOND_ARP_TARGETS_13] = { .type = NETLINK_TYPE_U32 },
189 [BOND_ARP_TARGETS_14] = { .type = NETLINK_TYPE_U32 },
190 [BOND_ARP_TARGETS_MAX] = { .type = NETLINK_TYPE_U32 },
81bd37a8
SS		 191};
192
193static const NLTypeSystem rtnl_bond_arp_type_system = {
c1df8dee 194 .count = ELEMENTSOF(rtnl_bond_arp_target_types),
81bd37a8
SS		 195 .types = rtnl_bond_arp_target_types,
196};
197
8ae4b6d1 198static const NLType rtnl_link_info_data_bond_types[] = {
cafbc790
DH		 199 [IFLA_BOND_MODE] = { .type = NETLINK_TYPE_U8 },
200 [IFLA_BOND_ACTIVE_SLAVE] = { .type = NETLINK_TYPE_U32 },
201 [IFLA_BOND_MIIMON] = { .type = NETLINK_TYPE_U32 },
202 [IFLA_BOND_UPDELAY] = { .type = NETLINK_TYPE_U32 },
203 [IFLA_BOND_DOWNDELAY] = { .type = NETLINK_TYPE_U32 },
204 [IFLA_BOND_USE_CARRIER] = { .type = NETLINK_TYPE_U8 },
205 [IFLA_BOND_ARP_INTERVAL] = { .type = NETLINK_TYPE_U32 },
206 [IFLA_BOND_ARP_IP_TARGET] = { .type = NETLINK_TYPE_NESTED, .type_system = &rtnl_bond_arp_type_system },
207 [IFLA_BOND_ARP_VALIDATE] = { .type = NETLINK_TYPE_U32 },
208 [IFLA_BOND_ARP_ALL_TARGETS] = { .type = NETLINK_TYPE_U32 },
209 [IFLA_BOND_PRIMARY] = { .type = NETLINK_TYPE_U32 },
210 [IFLA_BOND_PRIMARY_RESELECT] = { .type = NETLINK_TYPE_U8 },
211 [IFLA_BOND_FAIL_OVER_MAC] = { .type = NETLINK_TYPE_U8 },
212 [IFLA_BOND_XMIT_HASH_POLICY] = { .type = NETLINK_TYPE_U8 },
213 [IFLA_BOND_RESEND_IGMP] = { .type = NETLINK_TYPE_U32 },
214 [IFLA_BOND_NUM_PEER_NOTIF] = { .type = NETLINK_TYPE_U8 },
215 [IFLA_BOND_ALL_SLAVES_ACTIVE] = { .type = NETLINK_TYPE_U8 },
216 [IFLA_BOND_MIN_LINKS] = { .type = NETLINK_TYPE_U32 },
217 [IFLA_BOND_LP_INTERVAL] = { .type = NETLINK_TYPE_U32 },
218 [IFLA_BOND_PACKETS_PER_SLAVE] = { .type = NETLINK_TYPE_U32 },
219 [IFLA_BOND_AD_LACP_RATE] = { .type = NETLINK_TYPE_U8 },
220 [IFLA_BOND_AD_SELECT] = { .type = NETLINK_TYPE_U8 },
221 [IFLA_BOND_AD_INFO] = { .type = NETLINK_TYPE_NESTED },
d8e538ec
TG		 222};
223
8ae4b6d1 224static const NLType rtnl_link_info_data_iptun_types[] = {
cafbc790
DH		 225 [IFLA_IPTUN_LINK] = { .type = NETLINK_TYPE_U32 },
226 [IFLA_IPTUN_LOCAL] = { .type = NETLINK_TYPE_IN_ADDR },
227 [IFLA_IPTUN_REMOTE] = { .type = NETLINK_TYPE_IN_ADDR },
228 [IFLA_IPTUN_TTL] = { .type = NETLINK_TYPE_U8 },
229 [IFLA_IPTUN_TOS] = { .type = NETLINK_TYPE_U8 },
230 [IFLA_IPTUN_PMTUDISC] = { .type = NETLINK_TYPE_U8 },
231 [IFLA_IPTUN_FLAGS] = { .type = NETLINK_TYPE_U16 },
232 [IFLA_IPTUN_PROTO] = { .type = NETLINK_TYPE_U8 },
233 [IFLA_IPTUN_6RD_PREFIX] = { .type = NETLINK_TYPE_IN_ADDR },
234 [IFLA_IPTUN_6RD_RELAY_PREFIX] = { .type = NETLINK_TYPE_U32 },
235 [IFLA_IPTUN_6RD_PREFIXLEN] = { .type = NETLINK_TYPE_U16 },
236 [IFLA_IPTUN_6RD_RELAY_PREFIXLEN] = { .type = NETLINK_TYPE_U16 },
6e74cade
ZJS		 237 [IFLA_IPTUN_ENCAP_TYPE] = { .type = NETLINK_TYPE_U16 },
238 [IFLA_IPTUN_ENCAP_FLAGS] = { .type = NETLINK_TYPE_U16 },
239 [IFLA_IPTUN_ENCAP_SPORT] = { .type = NETLINK_TYPE_U16 },
240 [IFLA_IPTUN_ENCAP_DPORT] = { .type = NETLINK_TYPE_U16 },
0a827d10
SS		 241};
242
8ae4b6d1 243static const NLType rtnl_link_info_data_ipgre_types[] = {
8aee0f1f
SS		 244 [IFLA_GRE_LINK] = { .type = NETLINK_TYPE_U32 },
245 [IFLA_GRE_IFLAGS] = { .type = NETLINK_TYPE_U16 },
246 [IFLA_GRE_OFLAGS] = { .type = NETLINK_TYPE_U16 },
247 [IFLA_GRE_IKEY] = { .type = NETLINK_TYPE_U32 },
248 [IFLA_GRE_OKEY] = { .type = NETLINK_TYPE_U32 },
249 [IFLA_GRE_LOCAL] = { .type = NETLINK_TYPE_IN_ADDR },
250 [IFLA_GRE_REMOTE] = { .type = NETLINK_TYPE_IN_ADDR },
251 [IFLA_GRE_TTL] = { .type = NETLINK_TYPE_U8 },
252 [IFLA_GRE_TOS] = { .type = NETLINK_TYPE_U8 },
253 [IFLA_GRE_PMTUDISC] = { .type = NETLINK_TYPE_U8 },
254 [IFLA_GRE_FLOWINFO] = { .type = NETLINK_TYPE_U32 },
255 [IFLA_GRE_FLAGS] = { .type = NETLINK_TYPE_U32 },
256 [IFLA_GRE_ENCAP_TYPE] = { .type = NETLINK_TYPE_U16 },
257 [IFLA_GRE_ENCAP_FLAGS] = { .type = NETLINK_TYPE_U16 },
258 [IFLA_GRE_ENCAP_SPORT] = { .type = NETLINK_TYPE_U16 },
259 [IFLA_GRE_ENCAP_DPORT] = { .type = NETLINK_TYPE_U16 },
8bb088c5
SS		 260};
261
8ae4b6d1 262static const NLType rtnl_link_info_data_ipvti_types[] = {
cafbc790
DH		 263 [IFLA_VTI_LINK] = { .type = NETLINK_TYPE_U32 },
264 [IFLA_VTI_IKEY] = { .type = NETLINK_TYPE_U32 },
265 [IFLA_VTI_OKEY] = { .type = NETLINK_TYPE_U32 },
6e74cade
ZJS		 266 [IFLA_VTI_LOCAL] = { .type = NETLINK_TYPE_IN_ADDR },
267 [IFLA_VTI_REMOTE] = { .type = NETLINK_TYPE_IN_ADDR },
a613382b
SS		 268};
269
8ae4b6d1 270static const NLType rtnl_link_info_data_ip6tnl_types[] = {
cafbc790
DH		 271 [IFLA_IPTUN_LINK] = { .type = NETLINK_TYPE_U32 },
272 [IFLA_IPTUN_LOCAL] = { .type = NETLINK_TYPE_IN_ADDR },
273 [IFLA_IPTUN_REMOTE] = { .type = NETLINK_TYPE_IN_ADDR },
274 [IFLA_IPTUN_TTL] = { .type = NETLINK_TYPE_U8 },
275 [IFLA_IPTUN_FLAGS] = { .type = NETLINK_TYPE_U32 },
276 [IFLA_IPTUN_PROTO] = { .type = NETLINK_TYPE_U8 },
277 [IFLA_IPTUN_ENCAP_LIMIT] = { .type = NETLINK_TYPE_U8 },
6e74cade 278 [IFLA_IPTUN_FLOWINFO] = { .type = NETLINK_TYPE_U32 },
855ee1a1
SS		 279};
280
0a827d10 281/* these strings must match the .kind entries in the kernel */
8ae4b6d1 282static const char* const nl_union_link_info_data_table[] = {
d8e538ec
TG		 283 [NL_UNION_LINK_INFO_DATA_BOND] = "bond",
284 [NL_UNION_LINK_INFO_DATA_BRIDGE] = "bridge",
285 [NL_UNION_LINK_INFO_DATA_VLAN] = "vlan",
286 [NL_UNION_LINK_INFO_DATA_VETH] = "veth",
9e358851 287 [NL_UNION_LINK_INFO_DATA_DUMMY] = "dummy",
d8e538ec 288 [NL_UNION_LINK_INFO_DATA_MACVLAN] = "macvlan",
d1312575 289 [NL_UNION_LINK_INFO_DATA_MACVTAP] = "macvtap",
c4a5ddc9 290 [NL_UNION_LINK_INFO_DATA_IPVLAN] = "ipvlan",
6ef81477 291 [NL_UNION_LINK_INFO_DATA_VXLAN] = "vxlan",
0a827d10 292 [NL_UNION_LINK_INFO_DATA_IPIP_TUNNEL] = "ipip",
8bb088c5 293 [NL_UNION_LINK_INFO_DATA_IPGRE_TUNNEL] = "gre",
1af2536a 294 [NL_UNION_LINK_INFO_DATA_IPGRETAP_TUNNEL] = "gretap",
b16492f8
SS		 295 [NL_UNION_LINK_INFO_DATA_IP6GRE_TUNNEL] = "ip6gre",
296 [NL_UNION_LINK_INFO_DATA_IP6GRETAP_TUNNEL] = "ip6gretap",
0a827d10 297 [NL_UNION_LINK_INFO_DATA_SIT_TUNNEL] = "sit",
a613382b 298 [NL_UNION_LINK_INFO_DATA_VTI_TUNNEL] = "vti",
9011ce77 299 [NL_UNION_LINK_INFO_DATA_VTI6_TUNNEL] = "vti6",
855ee1a1 300 [NL_UNION_LINK_INFO_DATA_IP6TNL_TUNNEL] = "ip6tnl",
d8e538ec
TG		 301};
302
303DEFINE_STRING_TABLE_LOOKUP(nl_union_link_info_data, NLUnionLinkInfoData);
304
8ae4b6d1 305static const NLTypeSystem rtnl_link_info_data_type_systems[] = {
c1df8dee 306 [NL_UNION_LINK_INFO_DATA_BOND] = { .count = ELEMENTSOF(rtnl_link_info_data_bond_types),
0a827d10 307 .types = rtnl_link_info_data_bond_types },
c1df8dee 308 [NL_UNION_LINK_INFO_DATA_BRIDGE] = { .count = ELEMENTSOF(rtnl_link_info_data_bridge_types),
0a827d10 309 .types = rtnl_link_info_data_bridge_types },
c1df8dee 310 [NL_UNION_LINK_INFO_DATA_VLAN] = { .count = ELEMENTSOF(rtnl_link_info_data_vlan_types),
0a827d10 311 .types = rtnl_link_info_data_vlan_types },
c1df8dee 312 [NL_UNION_LINK_INFO_DATA_VETH] = { .count = ELEMENTSOF(rtnl_link_info_data_veth_types),
0a827d10 313 .types = rtnl_link_info_data_veth_types },
c1df8dee 314 [NL_UNION_LINK_INFO_DATA_MACVLAN] = { .count = ELEMENTSOF(rtnl_link_info_data_macvlan_types),
0a827d10 315 .types = rtnl_link_info_data_macvlan_types },
d1312575
SS		 316 [NL_UNION_LINK_INFO_DATA_MACVTAP] = { .count = ELEMENTSOF(rtnl_link_info_data_macvlan_types),
317 .types = rtnl_link_info_data_macvlan_types },
c1df8dee 318 [NL_UNION_LINK_INFO_DATA_IPVLAN] = { .count = ELEMENTSOF(rtnl_link_info_data_ipvlan_types),
c4a5ddc9 319 .types = rtnl_link_info_data_ipvlan_types },
c1df8dee 320 [NL_UNION_LINK_INFO_DATA_VXLAN] = { .count = ELEMENTSOF(rtnl_link_info_data_vxlan_types),
6ef81477 321 .types = rtnl_link_info_data_vxlan_types },
c1df8dee 322 [NL_UNION_LINK_INFO_DATA_IPIP_TUNNEL] = { .count = ELEMENTSOF(rtnl_link_info_data_iptun_types),
0a827d10 323 .types = rtnl_link_info_data_iptun_types },
c1df8dee 324 [NL_UNION_LINK_INFO_DATA_IPGRE_TUNNEL] = { .count = ELEMENTSOF(rtnl_link_info_data_ipgre_types),
8bb088c5 325 .types = rtnl_link_info_data_ipgre_types },
c1df8dee 326 [NL_UNION_LINK_INFO_DATA_IPGRETAP_TUNNEL] = { .count = ELEMENTSOF(rtnl_link_info_data_ipgre_types),
1af2536a 327 .types = rtnl_link_info_data_ipgre_types },
c1df8dee 328 [NL_UNION_LINK_INFO_DATA_IP6GRE_TUNNEL] = { .count = ELEMENTSOF(rtnl_link_info_data_ipgre_types),
b16492f8 329 .types = rtnl_link_info_data_ipgre_types },
c1df8dee 330 [NL_UNION_LINK_INFO_DATA_IP6GRETAP_TUNNEL] = { .count = ELEMENTSOF(rtnl_link_info_data_ipgre_types),
b16492f8 331 .types = rtnl_link_info_data_ipgre_types },
c1df8dee 332 [NL_UNION_LINK_INFO_DATA_SIT_TUNNEL] = { .count = ELEMENTSOF(rtnl_link_info_data_iptun_types),
0a827d10 333 .types = rtnl_link_info_data_iptun_types },
c1df8dee 334 [NL_UNION_LINK_INFO_DATA_VTI_TUNNEL] = { .count = ELEMENTSOF(rtnl_link_info_data_ipvti_types),
a613382b 335 .types = rtnl_link_info_data_ipvti_types },
c1df8dee 336 [NL_UNION_LINK_INFO_DATA_VTI6_TUNNEL] = { .count = ELEMENTSOF(rtnl_link_info_data_ipvti_types),
9011ce77 337 .types = rtnl_link_info_data_ipvti_types },
c1df8dee 338 [NL_UNION_LINK_INFO_DATA_IP6TNL_TUNNEL] = { .count = ELEMENTSOF(rtnl_link_info_data_ip6tnl_types),
855ee1a1
SS		 339 .types = rtnl_link_info_data_ip6tnl_types },
340
d8e538ec
TG		 341};
342
343static const NLTypeSystemUnion rtnl_link_info_data_type_system_union = {
344 .num = _NL_UNION_LINK_INFO_DATA_MAX,
345 .lookup = nl_union_link_info_data_from_string,
346 .type_systems = rtnl_link_info_data_type_systems,
4af7b60d 347 .match_type = NL_MATCH_SIBLING,
d8e538ec
TG		 348 .match = IFLA_INFO_KIND,
349};
350
8ae4b6d1 351static const NLType rtnl_link_info_types[] = {
cafbc790
DH		 352 [IFLA_INFO_KIND] = { .type = NETLINK_TYPE_STRING },
353 [IFLA_INFO_DATA] = { .type = NETLINK_TYPE_UNION, .type_system_union = &rtnl_link_info_data_type_system_union},
d8e538ec
TG		 354/*
355 [IFLA_INFO_XSTATS],
cafbc790
DH		 356 [IFLA_INFO_SLAVE_KIND] = { .type = NETLINK_TYPE_STRING },
357 [IFLA_INFO_SLAVE_DATA] = { .type = NETLINK_TYPE_NESTED },
d8e538ec
TG		 358*/
359};
360
361static const NLTypeSystem rtnl_link_info_type_system = {
c1df8dee 362 .count = ELEMENTSOF(rtnl_link_info_types),
d8e538ec
TG		 363 .types = rtnl_link_info_types,
364};
365
8ae4b6d1 366static const struct NLType rtnl_prot_info_bridge_port_types[] = {
cafbc790
DH		 367 [IFLA_BRPORT_STATE] = { .type = NETLINK_TYPE_U8 },
368 [IFLA_BRPORT_COST] = { .type = NETLINK_TYPE_U32 },
369 [IFLA_BRPORT_PRIORITY] = { .type = NETLINK_TYPE_U16 },
370 [IFLA_BRPORT_MODE] = { .type = NETLINK_TYPE_U8 },
371 [IFLA_BRPORT_GUARD] = { .type = NETLINK_TYPE_U8 },
372 [IFLA_BRPORT_PROTECT] = { .type = NETLINK_TYPE_U8 },
0c1f248e 373 [IFLA_BRPORT_FAST_LEAVE] = { .type = NETLINK_TYPE_U8 },
cafbc790
DH		 374 [IFLA_BRPORT_LEARNING] = { .type = NETLINK_TYPE_U8 },
375 [IFLA_BRPORT_UNICAST_FLOOD] = { .type = NETLINK_TYPE_U8 },
0c1f248e
SS		 376 [IFLA_BRPORT_PROXYARP] = { .type = NETLINK_TYPE_U8 },
377 [IFLA_BRPORT_LEARNING_SYNC] = { .type = NETLINK_TYPE_U8 },
d0159fdc
SS		 378};
379
8ae4b6d1 380static const NLTypeSystem rtnl_prot_info_type_systems[] = {
c1df8dee 381 [AF_BRIDGE] = { .count = ELEMENTSOF(rtnl_prot_info_bridge_port_types),
4af7b60d
TG		 382 .types = rtnl_prot_info_bridge_port_types },
383};
384
385static const NLTypeSystemUnion rtnl_prot_info_type_system_union = {
386 .num = AF_MAX,
387 .type_systems = rtnl_prot_info_type_systems,
388 .match_type = NL_MATCH_PROTOCOL,
d0159fdc
SS		 389};
390
8ae4b6d1 391static const struct NLType rtnl_af_spec_inet6_types[] = {
cafbc790 392 [IFLA_INET6_FLAGS] = { .type = NETLINK_TYPE_U32 },
c149ae08
TG		 393/*
394 IFLA_INET6_CONF,
395 IFLA_INET6_STATS,
396 IFLA_INET6_MCAST,
397 IFLA_INET6_CACHEINFO,
398 IFLA_INET6_ICMP6STATS,
399*/
cafbc790
DH		 400 [IFLA_INET6_TOKEN] = { .type = NETLINK_TYPE_IN_ADDR },
401 [IFLA_INET6_ADDR_GEN_MODE] = { .type = NETLINK_TYPE_U8 },
c149ae08
TG		 402};
403
73cb1c14 404static const NLTypeSystem rtnl_af_spec_inet6_type_system = {
c1df8dee 405 .count = ELEMENTSOF(rtnl_af_spec_inet6_types),
73cb1c14 406 .types = rtnl_af_spec_inet6_types,
c149ae08
TG		 407};
408
8ae4b6d1 409static const NLType rtnl_af_spec_types[] = {
cafbc790 410 [AF_INET6] = { .type = NETLINK_TYPE_NESTED, .type_system = &rtnl_af_spec_inet6_type_system },
73cb1c14
TG		 411};
412
413static const NLTypeSystem rtnl_af_spec_type_system = {
c1df8dee 414 .count = ELEMENTSOF(rtnl_af_spec_types),
73cb1c14 415 .types = rtnl_af_spec_types,
c149ae08
TG		 416};
417
8ae4b6d1 418static const NLType rtnl_link_types[] = {
6e74cade
ZJS		 419 [IFLA_ADDRESS] = { .type = NETLINK_TYPE_ETHER_ADDR },
420 [IFLA_BROADCAST] = { .type = NETLINK_TYPE_ETHER_ADDR },
421 [IFLA_IFNAME] = { .type = NETLINK_TYPE_STRING, .size = IFNAMSIZ - 1 },
cafbc790
DH		 422 [IFLA_MTU] = { .type = NETLINK_TYPE_U32 },
423 [IFLA_LINK] = { .type = NETLINK_TYPE_U32 },
d8e538ec
TG		 424/*
425 [IFLA_QDISC],
426 [IFLA_STATS],
427 [IFLA_COST],
428 [IFLA_PRIORITY],
429*/
cafbc790 430 [IFLA_MASTER] = { .type = NETLINK_TYPE_U32 },
d8e538ec
TG		 431/*
432 [IFLA_WIRELESS],
d8e538ec 433*/
cafbc790
DH		 434 [IFLA_PROTINFO] = { .type = NETLINK_TYPE_UNION, .type_system_union = &rtnl_prot_info_type_system_union },
435 [IFLA_TXQLEN] = { .type = NETLINK_TYPE_U32 },
d8e538ec
TG		 436/*
437 [IFLA_MAP] = { .len = sizeof(struct rtnl_link_ifmap) },
438*/
cafbc790
DH		 439 [IFLA_WEIGHT] = { .type = NETLINK_TYPE_U32 },
440 [IFLA_OPERSTATE] = { .type = NETLINK_TYPE_U8 },
441 [IFLA_LINKMODE] = { .type = NETLINK_TYPE_U8 },
442 [IFLA_LINKINFO] = { .type = NETLINK_TYPE_NESTED, .type_system = &rtnl_link_info_type_system },
443 [IFLA_NET_NS_PID] = { .type = NETLINK_TYPE_U32 },
444 [IFLA_IFALIAS] = { .type = NETLINK_TYPE_STRING, .size = IFALIASZ - 1 },
d8e538ec
TG		 445/*
446 [IFLA_NUM_VF],
cafbc790 447 [IFLA_VFINFO_LIST] = {. type = NETLINK_TYPE_NESTED, },
d8e538ec 448 [IFLA_STATS64],
cafbc790
DH		 449 [IFLA_VF_PORTS] = { .type = NETLINK_TYPE_NESTED },
450 [IFLA_PORT_SELF] = { .type = NETLINK_TYPE_NESTED },
c149ae08 451*/
cafbc790 452 [IFLA_AF_SPEC] = { .type = NETLINK_TYPE_NESTED, .type_system = &rtnl_af_spec_type_system },
c149ae08 453/*
d8e538ec
TG		 454 [IFLA_VF_PORTS],
455 [IFLA_PORT_SELF],
456 [IFLA_AF_SPEC],
457*/
cafbc790
DH		 458 [IFLA_GROUP] = { .type = NETLINK_TYPE_U32 },
459 [IFLA_NET_NS_FD] = { .type = NETLINK_TYPE_U32 },
460 [IFLA_EXT_MASK] = { .type = NETLINK_TYPE_U32 },
461 [IFLA_PROMISCUITY] = { .type = NETLINK_TYPE_U32 },
462 [IFLA_NUM_TX_QUEUES] = { .type = NETLINK_TYPE_U32 },
463 [IFLA_NUM_RX_QUEUES] = { .type = NETLINK_TYPE_U32 },
464 [IFLA_CARRIER] = { .type = NETLINK_TYPE_U8 },
d8e538ec 465/*
cafbc790 466 [IFLA_PHYS_PORT_ID] = { .type = NETLINK_TYPE_BINARY, .len = MAX_PHYS_PORT_ID_LEN },
d8e538ec
TG		 467*/
468};
469
470static const NLTypeSystem rtnl_link_type_system = {
c1df8dee 471 .count = ELEMENTSOF(rtnl_link_types),
d8e538ec
TG		 472 .types = rtnl_link_types,
473};
474
de79f906
LP		 475/* IFA_FLAGS was defined in kernel 3.14, but we still support older
476 * kernels where IFA_MAX is lower. */
8ae4b6d1 477static const NLType rtnl_address_types[] = {
cafbc790
DH		 478 [IFA_ADDRESS] = { .type = NETLINK_TYPE_IN_ADDR },
479 [IFA_LOCAL] = { .type = NETLINK_TYPE_IN_ADDR },
480 [IFA_LABEL] = { .type = NETLINK_TYPE_STRING, .size = IFNAMSIZ - 1 },
481 [IFA_BROADCAST] = { .type = NETLINK_TYPE_IN_ADDR }, /* 6? */
482 [IFA_CACHEINFO] = { .type = NETLINK_TYPE_CACHE_INFO, .size = sizeof(struct ifa_cacheinfo) },
d8e538ec
TG		 483/*
484 [IFA_ANYCAST],
d8e538ec
TG		 485 [IFA_MULTICAST],
486*/
cafbc790 487 [IFA_FLAGS] = { .type = NETLINK_TYPE_U32 },
d8e538ec
TG		 488};
489
490static const NLTypeSystem rtnl_address_type_system = {
c1df8dee 491 .count = ELEMENTSOF(rtnl_address_types),
d8e538ec
TG		 492 .types = rtnl_address_types,
493};
494
8ae4b6d1 495static const NLType rtnl_route_types[] = {
cafbc790
DH		 496 [RTA_DST] = { .type = NETLINK_TYPE_IN_ADDR }, /* 6? */
497 [RTA_SRC] = { .type = NETLINK_TYPE_IN_ADDR }, /* 6? */
498 [RTA_IIF] = { .type = NETLINK_TYPE_U32 },
499 [RTA_OIF] = { .type = NETLINK_TYPE_U32 },
500 [RTA_GATEWAY] = { .type = NETLINK_TYPE_IN_ADDR },
501 [RTA_PRIORITY] = { .type = NETLINK_TYPE_U32 },
502 [RTA_PREFSRC] = { .type = NETLINK_TYPE_IN_ADDR }, /* 6? */
d8e538ec 503/*
cafbc790 504 [RTA_METRICS] = { .type = NETLINK_TYPE_NESTED },
d8e538ec
TG		 505 [RTA_MULTIPATH] = { .len = sizeof(struct rtnexthop) },
506*/
cafbc790 507 [RTA_FLOW] = { .type = NETLINK_TYPE_U32 }, /* 6? */
d8e538ec
TG		 508/*
509 RTA_CACHEINFO,
510 RTA_TABLE,
511 RTA_MARK,
512 RTA_MFC_STATS,
b69015ef
TG		 513 RTA_VIA,
514 RTA_NEWDST,
d8e538ec 515*/
b69015ef
TG		 516 [RTA_PREF] = { .type = NETLINK_TYPE_U8 },
517
d8e538ec
TG		 518};
519
520static const NLTypeSystem rtnl_route_type_system = {
c1df8dee 521 .count = ELEMENTSOF(rtnl_route_types),
d8e538ec
TG		 522 .types = rtnl_route_types,
523};
524
8ae4b6d1 525static const NLType rtnl_neigh_types[] = {
cafbc790
DH		 526 [NDA_DST] = { .type = NETLINK_TYPE_IN_ADDR },
527 [NDA_LLADDR] = { .type = NETLINK_TYPE_ETHER_ADDR },
528 [NDA_CACHEINFO] = { .type = NETLINK_TYPE_CACHE_INFO, .size = sizeof(struct nda_cacheinfo) },
529 [NDA_PROBES] = { .type = NETLINK_TYPE_U32 },
530 [NDA_VLAN] = { .type = NETLINK_TYPE_U16 },
531 [NDA_PORT] = { .type = NETLINK_TYPE_U16 },
532 [NDA_VNI] = { .type = NETLINK_TYPE_U32 },
533 [NDA_IFINDEX] = { .type = NETLINK_TYPE_U32 },
e559b384
TG		 534};
535
536static const NLTypeSystem rtnl_neigh_type_system = {
c1df8dee 537 .count = ELEMENTSOF(rtnl_neigh_types),
e559b384
TG		 538 .types = rtnl_neigh_types,
539};
540
8ae4b6d1 541static const NLType rtnl_types[] = {
979e7eb9
DH		 542 [NLMSG_DONE] = { .type = NETLINK_TYPE_NESTED, .type_system = &empty_type_system, .size = 0 },
543 [NLMSG_ERROR] = { .type = NETLINK_TYPE_NESTED, .type_system = &empty_type_system, .size = sizeof(struct nlmsgerr) },
cafbc790
DH		 544 [RTM_NEWLINK] = { .type = NETLINK_TYPE_NESTED, .type_system = &rtnl_link_type_system, .size = sizeof(struct ifinfomsg) },
545 [RTM_DELLINK] = { .type = NETLINK_TYPE_NESTED, .type_system = &rtnl_link_type_system, .size = sizeof(struct ifinfomsg) },
546 [RTM_GETLINK] = { .type = NETLINK_TYPE_NESTED, .type_system = &rtnl_link_type_system, .size = sizeof(struct ifinfomsg) },
547 [RTM_SETLINK] = { .type = NETLINK_TYPE_NESTED, .type_system = &rtnl_link_type_system, .size = sizeof(struct ifinfomsg) },
548 [RTM_NEWADDR] = { .type = NETLINK_TYPE_NESTED, .type_system = &rtnl_address_type_system, .size = sizeof(struct ifaddrmsg) },
549 [RTM_DELADDR] = { .type = NETLINK_TYPE_NESTED, .type_system = &rtnl_address_type_system, .size = sizeof(struct ifaddrmsg) },
550 [RTM_GETADDR] = { .type = NETLINK_TYPE_NESTED, .type_system = &rtnl_address_type_system, .size = sizeof(struct ifaddrmsg) },
551 [RTM_NEWROUTE] = { .type = NETLINK_TYPE_NESTED, .type_system = &rtnl_route_type_system, .size = sizeof(struct rtmsg) },
552 [RTM_DELROUTE] = { .type = NETLINK_TYPE_NESTED, .type_system = &rtnl_route_type_system, .size = sizeof(struct rtmsg) },
553 [RTM_GETROUTE] = { .type = NETLINK_TYPE_NESTED, .type_system = &rtnl_route_type_system, .size = sizeof(struct rtmsg) },
554 [RTM_NEWNEIGH] = { .type = NETLINK_TYPE_NESTED, .type_system = &rtnl_neigh_type_system, .size = sizeof(struct ndmsg) },
555 [RTM_DELNEIGH] = { .type = NETLINK_TYPE_NESTED, .type_system = &rtnl_neigh_type_system, .size = sizeof(struct ndmsg) },
556 [RTM_GETNEIGH] = { .type = NETLINK_TYPE_NESTED, .type_system = &rtnl_neigh_type_system, .size = sizeof(struct ndmsg) },
d8e538ec
TG		 557};
558
846a6b3d 559const NLTypeSystem type_system_root = {
c1df8dee 560 .count = ELEMENTSOF(rtnl_types),
d8e538ec
TG		 561 .types = rtnl_types,
562};
563
817d1cd8
DH		 564uint16_t type_get_type(const NLType *type) {
565 assert(type);
566 return type->type;
567}
568
569size_t type_get_size(const NLType *type) {
570 assert(type);
571 return type->size;
572}
573
c658008f
DH		 574void type_get_type_system(const NLType *nl_type, const NLTypeSystem **ret) {
575 assert(nl_type);
576 assert(ret);
577 assert(nl_type->type == NETLINK_TYPE_NESTED);
578 assert(nl_type->type_system);
579
580 *ret = nl_type->type_system;
581}
582
583void type_get_type_system_union(const NLType *nl_type, const NLTypeSystemUnion **ret) {
584 assert(nl_type);
585 assert(ret);
586 assert(nl_type->type == NETLINK_TYPE_UNION);
587 assert(nl_type->type_system_union);
588
589 *ret = nl_type->type_system_union;
590}
591
c1df8dee 592uint16_t type_system_get_count(const NLTypeSystem *type_system) {
435bbb02 593 assert(type_system);
c1df8dee 594 return type_system->count;
435bbb02
DH		 595}
596
d8e538ec
TG		 597int type_system_get_type(const NLTypeSystem *type_system, const NLType **ret, uint16_t type) {
598 const NLType *nl_type;
599
600 assert(ret);
846a6b3d 601 assert(type_system);
d8e538ec
TG		 602 assert(type_system->types);
603
c1df8dee 604 if (type >= type_system->count)
15411c0c 605 return -EOPNOTSUPP;
d8e538ec
TG		 606
607 nl_type = &type_system->types[type];
608
cafbc790 609 if (nl_type->type == NETLINK_TYPE_UNSPEC)
15411c0c 610 return -EOPNOTSUPP;
d8e538ec
TG		 611
612 *ret = nl_type;
613
614 return 0;
615}
616
617int type_system_get_type_system(const NLTypeSystem *type_system, const NLTypeSystem **ret, uint16_t type) {
618 const NLType *nl_type;
619 int r;
620
621 assert(ret);
622
623 r = type_system_get_type(type_system, &nl_type, type);
624 if (r < 0)
625 return r;
626
c658008f 627 type_get_type_system(nl_type, ret);
d8e538ec
TG		 628 return 0;
629}
630
631int type_system_get_type_system_union(const NLTypeSystem *type_system, const NLTypeSystemUnion **ret, uint16_t type) {
632 const NLType *nl_type;
633 int r;
634
635 assert(ret);
636
637 r = type_system_get_type(type_system, &nl_type, type);
638 if (r < 0)
639 return r;
640
c658008f 641 type_get_type_system_union(nl_type, ret);
d8e538ec
TG		 642 return 0;
643}
644
645int type_system_union_get_type_system(const NLTypeSystemUnion *type_system_union, const NLTypeSystem **ret, const char *key) {
646 int type;
647
648 assert(type_system_union);
f8a6ca1b 649 assert(type_system_union->match_type == NL_MATCH_SIBLING);
d8e538ec
TG		 650 assert(type_system_union->lookup);
651 assert(type_system_union->type_systems);
652 assert(ret);
653 assert(key);
654
655 type = type_system_union->lookup(key);
656 if (type < 0)
15411c0c 657 return -EOPNOTSUPP;
d8e538ec
TG		 658
659 assert(type < type_system_union->num);
660
661 *ret = &type_system_union->type_systems[type];
662
663 return 0;
664}
4af7b60d
TG		 665
666int type_system_union_protocol_get_type_system(const NLTypeSystemUnion *type_system_union, const NLTypeSystem **ret, uint16_t protocol) {
667 const NLTypeSystem *type_system;
668
669 assert(type_system_union);
670 assert(type_system_union->type_systems);
f8a6ca1b 671 assert(type_system_union->match_type == NL_MATCH_PROTOCOL);
4af7b60d 672 assert(ret);
4af7b60d
TG		 673
674 if (protocol >= type_system_union->num)
15411c0c 675 return -EOPNOTSUPP;
4af7b60d
TG		 676
677 type_system = &type_system_union->type_systems[protocol];
e7de105c 678 if (!type_system->types)
15411c0c 679 return -EOPNOTSUPP;
4af7b60d
TG		 680
681 *ret = type_system;
682
683 return 0;
684}
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