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Imported Upstream version 231
[systemd.git] / src / libsystemd / sd-netlink / netlink-types.c
CommitLineData
60f067b4
JS		 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
60f067b4
JS		 20#include <stdint.h>
21#include <sys/socket.h>
22#include <linux/netlink.h>
23#include <linux/rtnetlink.h>
24#include <linux/in6.h>
25#include <linux/veth.h>
26#include <linux/if_bridge.h>
27#include <linux/if_addr.h>
28#include <linux/if.h>
60f067b4 29#include <linux/ip.h>
e735f4d4 30#include <linux/if_link.h>
60f067b4
JS		 31#include <linux/if_tunnel.h>
32
33#include "macro.h"
60f067b4 34#include "missing.h"
db2df898
MP		 35#include "netlink-types.h"
36#include "string-table.h"
37#include "util.h"
60f067b4 38
fb183854
MP		 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
61struct NLType {
62 uint16_t type;
63 size_t size;
64 const NLTypeSystem *type_system;
65 const NLTypeSystemUnion *type_system_union;
66};
67
68struct NLTypeSystem {
69 uint16_t count;
70 const NLType *types;
71};
72
60f067b4
JS		 73static const NLTypeSystem rtnl_link_type_system;
74
fb183854
MP		 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
db2df898 84static const NLType rtnl_link_info_data_veth_types[] = {
fb183854 85 [VETH_INFO_PEER] = { .type = NETLINK_TYPE_NESTED, .type_system = &rtnl_link_type_system, .size = sizeof(struct ifinfomsg) },
60f067b4
JS		 86};
87
db2df898 88static const NLType rtnl_link_info_data_ipvlan_types[] = {
fb183854 89 [IFLA_IPVLAN_MODE] = { .type = NETLINK_TYPE_U16 },
e735f4d4 90};
60f067b4 91
db2df898 92static const NLType rtnl_link_info_data_macvlan_types[] = {
fb183854
MP		 93 [IFLA_MACVLAN_MODE] = { .type = NETLINK_TYPE_U32 },
94 [IFLA_MACVLAN_FLAGS] = { .type = NETLINK_TYPE_U16 },
60f067b4
JS		 95};
96
db2df898 97static const NLType rtnl_link_info_data_bridge_types[] = {
aa27b158
MP		 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 },
6300502b
MP		 135};
136
db2df898 137static const NLType rtnl_link_info_data_vlan_types[] = {
fb183854 138 [IFLA_VLAN_ID] = { .type = NETLINK_TYPE_U16 },
60f067b4
JS		 139/*
140 [IFLA_VLAN_FLAGS] = { .len = sizeof(struct ifla_vlan_flags) },
fb183854
MP		 141 [IFLA_VLAN_EGRESS_QOS] = { .type = NETLINK_TYPE_NESTED },
142 [IFLA_VLAN_INGRESS_QOS] = { .type = NETLINK_TYPE_NESTED },
60f067b4 143*/
fb183854 144 [IFLA_VLAN_PROTOCOL] = { .type = NETLINK_TYPE_U16 },
60f067b4
JS		 145};
146
db2df898 147static const NLType rtnl_link_info_data_vxlan_types[] = {
5fd56512
MP		 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 },
e842803a
MB		 172};
173
db2df898 174static const NLType rtnl_bond_arp_target_types[] = {
fb183854
MP		 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 },
e3bff60a
MP		 191};
192
193static const NLTypeSystem rtnl_bond_arp_type_system = {
fb183854 194 .count = ELEMENTSOF(rtnl_bond_arp_target_types),
e3bff60a
MP		 195 .types = rtnl_bond_arp_target_types,
196};
197
db2df898 198static const NLType rtnl_link_info_data_bond_types[] = {
fb183854
MP		 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 },
60f067b4
JS		 222};
223
db2df898 224static const NLType rtnl_link_info_data_iptun_types[] = {
fb183854
MP		 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 },
7035cd9e
MP		 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 },
60f067b4
JS		 241};
242
db2df898 243static const NLType rtnl_link_info_data_ipgre_types[] = {
7035cd9e
MP		 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 },
60f067b4
JS		 260};
261
db2df898 262static const NLType rtnl_link_info_data_ipvti_types[] = {
fb183854
MP		 263 [IFLA_VTI_LINK] = { .type = NETLINK_TYPE_U32 },
264 [IFLA_VTI_IKEY] = { .type = NETLINK_TYPE_U32 },
265 [IFLA_VTI_OKEY] = { .type = NETLINK_TYPE_U32 },
7035cd9e
MP		 266 [IFLA_VTI_LOCAL] = { .type = NETLINK_TYPE_IN_ADDR },
267 [IFLA_VTI_REMOTE] = { .type = NETLINK_TYPE_IN_ADDR },
60f067b4
JS		 268};
269
db2df898 270static const NLType rtnl_link_info_data_ip6tnl_types[] = {
fb183854
MP		 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 },
7035cd9e 278 [IFLA_IPTUN_FLOWINFO] = { .type = NETLINK_TYPE_U32 },
e735f4d4
MP		 279};
280
5a920b42
MP		 281static const NLType rtnl_link_info_data_vrf_types[] = {
282 [IFLA_VRF_TABLE] = { .type = NETLINK_TYPE_U32 },
283};
284
60f067b4 285/* these strings must match the .kind entries in the kernel */
db2df898 286static const char* const nl_union_link_info_data_table[] = {
60f067b4
JS		 287 [NL_UNION_LINK_INFO_DATA_BOND] = "bond",
288 [NL_UNION_LINK_INFO_DATA_BRIDGE] = "bridge",
289 [NL_UNION_LINK_INFO_DATA_VLAN] = "vlan",
290 [NL_UNION_LINK_INFO_DATA_VETH] = "veth",
e842803a 291 [NL_UNION_LINK_INFO_DATA_DUMMY] = "dummy",
60f067b4 292 [NL_UNION_LINK_INFO_DATA_MACVLAN] = "macvlan",
7035cd9e 293 [NL_UNION_LINK_INFO_DATA_MACVTAP] = "macvtap",
e735f4d4 294 [NL_UNION_LINK_INFO_DATA_IPVLAN] = "ipvlan",
e842803a 295 [NL_UNION_LINK_INFO_DATA_VXLAN] = "vxlan",
60f067b4
JS		 296 [NL_UNION_LINK_INFO_DATA_IPIP_TUNNEL] = "ipip",
297 [NL_UNION_LINK_INFO_DATA_IPGRE_TUNNEL] = "gre",
e735f4d4
MP		 298 [NL_UNION_LINK_INFO_DATA_IPGRETAP_TUNNEL] = "gretap",
299 [NL_UNION_LINK_INFO_DATA_IP6GRE_TUNNEL] = "ip6gre",
300 [NL_UNION_LINK_INFO_DATA_IP6GRETAP_TUNNEL] = "ip6gretap",
60f067b4
JS		 301 [NL_UNION_LINK_INFO_DATA_SIT_TUNNEL] = "sit",
302 [NL_UNION_LINK_INFO_DATA_VTI_TUNNEL] = "vti",
e3bff60a 303 [NL_UNION_LINK_INFO_DATA_VTI6_TUNNEL] = "vti6",
e735f4d4 304 [NL_UNION_LINK_INFO_DATA_IP6TNL_TUNNEL] = "ip6tnl",
5a920b42 305 [NL_UNION_LINK_INFO_DATA_VRF] = "vrf",
60f067b4
JS		 306};
307
308DEFINE_STRING_TABLE_LOOKUP(nl_union_link_info_data, NLUnionLinkInfoData);
309
db2df898 310static const NLTypeSystem rtnl_link_info_data_type_systems[] = {
fb183854 311 [NL_UNION_LINK_INFO_DATA_BOND] = { .count = ELEMENTSOF(rtnl_link_info_data_bond_types),
60f067b4 312 .types = rtnl_link_info_data_bond_types },
fb183854 313 [NL_UNION_LINK_INFO_DATA_BRIDGE] = { .count = ELEMENTSOF(rtnl_link_info_data_bridge_types),
60f067b4 314 .types = rtnl_link_info_data_bridge_types },
fb183854 315 [NL_UNION_LINK_INFO_DATA_VLAN] = { .count = ELEMENTSOF(rtnl_link_info_data_vlan_types),
60f067b4 316 .types = rtnl_link_info_data_vlan_types },
fb183854 317 [NL_UNION_LINK_INFO_DATA_VETH] = { .count = ELEMENTSOF(rtnl_link_info_data_veth_types),
60f067b4 318 .types = rtnl_link_info_data_veth_types },
fb183854 319 [NL_UNION_LINK_INFO_DATA_MACVLAN] = { .count = ELEMENTSOF(rtnl_link_info_data_macvlan_types),
60f067b4 320 .types = rtnl_link_info_data_macvlan_types },
7035cd9e
MP		 321 [NL_UNION_LINK_INFO_DATA_MACVTAP] = { .count = ELEMENTSOF(rtnl_link_info_data_macvlan_types),
322 .types = rtnl_link_info_data_macvlan_types },
fb183854 323 [NL_UNION_LINK_INFO_DATA_IPVLAN] = { .count = ELEMENTSOF(rtnl_link_info_data_ipvlan_types),
e735f4d4 324 .types = rtnl_link_info_data_ipvlan_types },
fb183854 325 [NL_UNION_LINK_INFO_DATA_VXLAN] = { .count = ELEMENTSOF(rtnl_link_info_data_vxlan_types),
e842803a 326 .types = rtnl_link_info_data_vxlan_types },
fb183854 327 [NL_UNION_LINK_INFO_DATA_IPIP_TUNNEL] = { .count = ELEMENTSOF(rtnl_link_info_data_iptun_types),
60f067b4 328 .types = rtnl_link_info_data_iptun_types },
fb183854 329 [NL_UNION_LINK_INFO_DATA_IPGRE_TUNNEL] = { .count = ELEMENTSOF(rtnl_link_info_data_ipgre_types),
60f067b4 330 .types = rtnl_link_info_data_ipgre_types },
fb183854 331 [NL_UNION_LINK_INFO_DATA_IPGRETAP_TUNNEL] = { .count = ELEMENTSOF(rtnl_link_info_data_ipgre_types),
e735f4d4 332 .types = rtnl_link_info_data_ipgre_types },
fb183854 333 [NL_UNION_LINK_INFO_DATA_IP6GRE_TUNNEL] = { .count = ELEMENTSOF(rtnl_link_info_data_ipgre_types),
e735f4d4 334 .types = rtnl_link_info_data_ipgre_types },
fb183854 335 [NL_UNION_LINK_INFO_DATA_IP6GRETAP_TUNNEL] = { .count = ELEMENTSOF(rtnl_link_info_data_ipgre_types),
e735f4d4 336 .types = rtnl_link_info_data_ipgre_types },
fb183854 337 [NL_UNION_LINK_INFO_DATA_SIT_TUNNEL] = { .count = ELEMENTSOF(rtnl_link_info_data_iptun_types),
60f067b4 338 .types = rtnl_link_info_data_iptun_types },
fb183854 339 [NL_UNION_LINK_INFO_DATA_VTI_TUNNEL] = { .count = ELEMENTSOF(rtnl_link_info_data_ipvti_types),
60f067b4 340 .types = rtnl_link_info_data_ipvti_types },
fb183854 341 [NL_UNION_LINK_INFO_DATA_VTI6_TUNNEL] = { .count = ELEMENTSOF(rtnl_link_info_data_ipvti_types),
e3bff60a 342 .types = rtnl_link_info_data_ipvti_types },
fb183854 343 [NL_UNION_LINK_INFO_DATA_IP6TNL_TUNNEL] = { .count = ELEMENTSOF(rtnl_link_info_data_ip6tnl_types),
e735f4d4
MP		 344 .types = rtnl_link_info_data_ip6tnl_types },
345
5a920b42
MP		 346 [NL_UNION_LINK_INFO_DATA_VRF] = { .count = ELEMENTSOF(rtnl_link_info_data_vrf_types),
347 .types = rtnl_link_info_data_vrf_types },
348
60f067b4
JS		 349};
350
351static const NLTypeSystemUnion rtnl_link_info_data_type_system_union = {
352 .num = _NL_UNION_LINK_INFO_DATA_MAX,
353 .lookup = nl_union_link_info_data_from_string,
354 .type_systems = rtnl_link_info_data_type_systems,
e735f4d4 355 .match_type = NL_MATCH_SIBLING,
60f067b4
JS		 356 .match = IFLA_INFO_KIND,
357};
358
db2df898 359static const NLType rtnl_link_info_types[] = {
fb183854
MP		 360 [IFLA_INFO_KIND] = { .type = NETLINK_TYPE_STRING },
361 [IFLA_INFO_DATA] = { .type = NETLINK_TYPE_UNION, .type_system_union = &rtnl_link_info_data_type_system_union},
60f067b4
JS		 362/*
363 [IFLA_INFO_XSTATS],
fb183854
MP		 364 [IFLA_INFO_SLAVE_KIND] = { .type = NETLINK_TYPE_STRING },
365 [IFLA_INFO_SLAVE_DATA] = { .type = NETLINK_TYPE_NESTED },
60f067b4
JS		 366*/
367};
368
369static const NLTypeSystem rtnl_link_info_type_system = {
fb183854 370 .count = ELEMENTSOF(rtnl_link_info_types),
60f067b4
JS		 371 .types = rtnl_link_info_types,
372};
373
db2df898 374static const struct NLType rtnl_prot_info_bridge_port_types[] = {
fb183854
MP		 375 [IFLA_BRPORT_STATE] = { .type = NETLINK_TYPE_U8 },
376 [IFLA_BRPORT_COST] = { .type = NETLINK_TYPE_U32 },
377 [IFLA_BRPORT_PRIORITY] = { .type = NETLINK_TYPE_U16 },
378 [IFLA_BRPORT_MODE] = { .type = NETLINK_TYPE_U8 },
379 [IFLA_BRPORT_GUARD] = { .type = NETLINK_TYPE_U8 },
380 [IFLA_BRPORT_PROTECT] = { .type = NETLINK_TYPE_U8 },
7035cd9e 381 [IFLA_BRPORT_FAST_LEAVE] = { .type = NETLINK_TYPE_U8 },
fb183854
MP		 382 [IFLA_BRPORT_LEARNING] = { .type = NETLINK_TYPE_U8 },
383 [IFLA_BRPORT_UNICAST_FLOOD] = { .type = NETLINK_TYPE_U8 },
7035cd9e
MP		 384 [IFLA_BRPORT_PROXYARP] = { .type = NETLINK_TYPE_U8 },
385 [IFLA_BRPORT_LEARNING_SYNC] = { .type = NETLINK_TYPE_U8 },
f47781d8
MP		 386};
387
db2df898 388static const NLTypeSystem rtnl_prot_info_type_systems[] = {
fb183854 389 [AF_BRIDGE] = { .count = ELEMENTSOF(rtnl_prot_info_bridge_port_types),
e735f4d4
MP		 390 .types = rtnl_prot_info_bridge_port_types },
391};
392
393static const NLTypeSystemUnion rtnl_prot_info_type_system_union = {
394 .num = AF_MAX,
395 .type_systems = rtnl_prot_info_type_systems,
396 .match_type = NL_MATCH_PROTOCOL,
397};
398
db2df898 399static const struct NLType rtnl_af_spec_inet6_types[] = {
fb183854 400 [IFLA_INET6_FLAGS] = { .type = NETLINK_TYPE_U32 },
e735f4d4
MP		 401/*
402 IFLA_INET6_CONF,
403 IFLA_INET6_STATS,
404 IFLA_INET6_MCAST,
405 IFLA_INET6_CACHEINFO,
406 IFLA_INET6_ICMP6STATS,
407*/
fb183854
MP		 408 [IFLA_INET6_TOKEN] = { .type = NETLINK_TYPE_IN_ADDR },
409 [IFLA_INET6_ADDR_GEN_MODE] = { .type = NETLINK_TYPE_U8 },
e735f4d4
MP		 410};
411
412static const NLTypeSystem rtnl_af_spec_inet6_type_system = {
fb183854 413 .count = ELEMENTSOF(rtnl_af_spec_inet6_types),
e735f4d4
MP		 414 .types = rtnl_af_spec_inet6_types,
415};
416
db2df898 417static const NLType rtnl_af_spec_types[] = {
fb183854 418 [AF_INET6] = { .type = NETLINK_TYPE_NESTED, .type_system = &rtnl_af_spec_inet6_type_system },
e735f4d4
MP		 419};
420
421static const NLTypeSystem rtnl_af_spec_type_system = {
fb183854 422 .count = ELEMENTSOF(rtnl_af_spec_types),
e735f4d4 423 .types = rtnl_af_spec_types,
f47781d8
MP		 424};
425
db2df898 426static const NLType rtnl_link_types[] = {
7035cd9e
MP		 427 [IFLA_ADDRESS] = { .type = NETLINK_TYPE_ETHER_ADDR },
428 [IFLA_BROADCAST] = { .type = NETLINK_TYPE_ETHER_ADDR },
429 [IFLA_IFNAME] = { .type = NETLINK_TYPE_STRING, .size = IFNAMSIZ - 1 },
fb183854
MP		 430 [IFLA_MTU] = { .type = NETLINK_TYPE_U32 },
431 [IFLA_LINK] = { .type = NETLINK_TYPE_U32 },
60f067b4
JS		 432/*
433 [IFLA_QDISC],
434 [IFLA_STATS],
435 [IFLA_COST],
436 [IFLA_PRIORITY],
437*/
fb183854 438 [IFLA_MASTER] = { .type = NETLINK_TYPE_U32 },
60f067b4
JS		 439/*
440 [IFLA_WIRELESS],
60f067b4 441*/
fb183854
MP		 442 [IFLA_PROTINFO] = { .type = NETLINK_TYPE_UNION, .type_system_union = &rtnl_prot_info_type_system_union },
443 [IFLA_TXQLEN] = { .type = NETLINK_TYPE_U32 },
60f067b4
JS		 444/*
445 [IFLA_MAP] = { .len = sizeof(struct rtnl_link_ifmap) },
446*/
fb183854
MP		 447 [IFLA_WEIGHT] = { .type = NETLINK_TYPE_U32 },
448 [IFLA_OPERSTATE] = { .type = NETLINK_TYPE_U8 },
449 [IFLA_LINKMODE] = { .type = NETLINK_TYPE_U8 },
450 [IFLA_LINKINFO] = { .type = NETLINK_TYPE_NESTED, .type_system = &rtnl_link_info_type_system },
451 [IFLA_NET_NS_PID] = { .type = NETLINK_TYPE_U32 },
452 [IFLA_IFALIAS] = { .type = NETLINK_TYPE_STRING, .size = IFALIASZ - 1 },
60f067b4
JS		 453/*
454 [IFLA_NUM_VF],
fb183854 455 [IFLA_VFINFO_LIST] = {. type = NETLINK_TYPE_NESTED, },
60f067b4 456 [IFLA_STATS64],
fb183854
MP		 457 [IFLA_VF_PORTS] = { .type = NETLINK_TYPE_NESTED },
458 [IFLA_PORT_SELF] = { .type = NETLINK_TYPE_NESTED },
e735f4d4 459*/
fb183854 460 [IFLA_AF_SPEC] = { .type = NETLINK_TYPE_NESTED, .type_system = &rtnl_af_spec_type_system },
e735f4d4 461/*
60f067b4
JS		 462 [IFLA_VF_PORTS],
463 [IFLA_PORT_SELF],
464 [IFLA_AF_SPEC],
465*/
fb183854
MP		 466 [IFLA_GROUP] = { .type = NETLINK_TYPE_U32 },
467 [IFLA_NET_NS_FD] = { .type = NETLINK_TYPE_U32 },
468 [IFLA_EXT_MASK] = { .type = NETLINK_TYPE_U32 },
469 [IFLA_PROMISCUITY] = { .type = NETLINK_TYPE_U32 },
470 [IFLA_NUM_TX_QUEUES] = { .type = NETLINK_TYPE_U32 },
471 [IFLA_NUM_RX_QUEUES] = { .type = NETLINK_TYPE_U32 },
472 [IFLA_CARRIER] = { .type = NETLINK_TYPE_U8 },
60f067b4 473/*
fb183854 474 [IFLA_PHYS_PORT_ID] = { .type = NETLINK_TYPE_BINARY, .len = MAX_PHYS_PORT_ID_LEN },
60f067b4
JS		 475*/
476};
477
478static const NLTypeSystem rtnl_link_type_system = {
fb183854 479 .count = ELEMENTSOF(rtnl_link_types),
60f067b4
JS		 480 .types = rtnl_link_types,
481};
482
e3bff60a
MP		 483/* IFA_FLAGS was defined in kernel 3.14, but we still support older
484 * kernels where IFA_MAX is lower. */
db2df898 485static const NLType rtnl_address_types[] = {
fb183854
MP		 486 [IFA_ADDRESS] = { .type = NETLINK_TYPE_IN_ADDR },
487 [IFA_LOCAL] = { .type = NETLINK_TYPE_IN_ADDR },
488 [IFA_LABEL] = { .type = NETLINK_TYPE_STRING, .size = IFNAMSIZ - 1 },
489 [IFA_BROADCAST] = { .type = NETLINK_TYPE_IN_ADDR }, /* 6? */
490 [IFA_CACHEINFO] = { .type = NETLINK_TYPE_CACHE_INFO, .size = sizeof(struct ifa_cacheinfo) },
60f067b4
JS		 491/*
492 [IFA_ANYCAST],
493 [IFA_MULTICAST],
494*/
fb183854 495 [IFA_FLAGS] = { .type = NETLINK_TYPE_U32 },
60f067b4
JS		 496};
497
498static const NLTypeSystem rtnl_address_type_system = {
fb183854 499 .count = ELEMENTSOF(rtnl_address_types),
60f067b4
JS		 500 .types = rtnl_address_types,
501};
502
db2df898 503static const NLType rtnl_route_types[] = {
fb183854
MP		 504 [RTA_DST] = { .type = NETLINK_TYPE_IN_ADDR }, /* 6? */
505 [RTA_SRC] = { .type = NETLINK_TYPE_IN_ADDR }, /* 6? */
506 [RTA_IIF] = { .type = NETLINK_TYPE_U32 },
507 [RTA_OIF] = { .type = NETLINK_TYPE_U32 },
508 [RTA_GATEWAY] = { .type = NETLINK_TYPE_IN_ADDR },
509 [RTA_PRIORITY] = { .type = NETLINK_TYPE_U32 },
510 [RTA_PREFSRC] = { .type = NETLINK_TYPE_IN_ADDR }, /* 6? */
60f067b4 511/*
fb183854 512 [RTA_METRICS] = { .type = NETLINK_TYPE_NESTED },
60f067b4
JS		 513 [RTA_MULTIPATH] = { .len = sizeof(struct rtnexthop) },
514*/
fb183854 515 [RTA_FLOW] = { .type = NETLINK_TYPE_U32 }, /* 6? */
60f067b4
JS		 516/*
517 RTA_CACHEINFO,
518 RTA_TABLE,
519 RTA_MARK,
520 RTA_MFC_STATS,
db2df898
MP		 521 RTA_VIA,
522 RTA_NEWDST,
60f067b4 523*/
db2df898
MP		 524 [RTA_PREF] = { .type = NETLINK_TYPE_U8 },
525
60f067b4
JS		 526};
527
528static const NLTypeSystem rtnl_route_type_system = {
fb183854 529 .count = ELEMENTSOF(rtnl_route_types),
60f067b4
JS		 530 .types = rtnl_route_types,
531};
532
db2df898 533static const NLType rtnl_neigh_types[] = {
fb183854
MP		 534 [NDA_DST] = { .type = NETLINK_TYPE_IN_ADDR },
535 [NDA_LLADDR] = { .type = NETLINK_TYPE_ETHER_ADDR },
536 [NDA_CACHEINFO] = { .type = NETLINK_TYPE_CACHE_INFO, .size = sizeof(struct nda_cacheinfo) },
537 [NDA_PROBES] = { .type = NETLINK_TYPE_U32 },
538 [NDA_VLAN] = { .type = NETLINK_TYPE_U16 },
539 [NDA_PORT] = { .type = NETLINK_TYPE_U16 },
540 [NDA_VNI] = { .type = NETLINK_TYPE_U32 },
541 [NDA_IFINDEX] = { .type = NETLINK_TYPE_U32 },
f47781d8
MP		 542};
543
544static const NLTypeSystem rtnl_neigh_type_system = {
fb183854 545 .count = ELEMENTSOF(rtnl_neigh_types),
f47781d8
MP		 546 .types = rtnl_neigh_types,
547};
548
db2df898 549static const NLType rtnl_types[] = {
fb183854
MP		 550 [NLMSG_DONE] = { .type = NETLINK_TYPE_NESTED, .type_system = &empty_type_system, .size = 0 },
551 [NLMSG_ERROR] = { .type = NETLINK_TYPE_NESTED, .type_system = &empty_type_system, .size = sizeof(struct nlmsgerr) },
552 [RTM_NEWLINK] = { .type = NETLINK_TYPE_NESTED, .type_system = &rtnl_link_type_system, .size = sizeof(struct ifinfomsg) },
553 [RTM_DELLINK] = { .type = NETLINK_TYPE_NESTED, .type_system = &rtnl_link_type_system, .size = sizeof(struct ifinfomsg) },
554 [RTM_GETLINK] = { .type = NETLINK_TYPE_NESTED, .type_system = &rtnl_link_type_system, .size = sizeof(struct ifinfomsg) },
555 [RTM_SETLINK] = { .type = NETLINK_TYPE_NESTED, .type_system = &rtnl_link_type_system, .size = sizeof(struct ifinfomsg) },
556 [RTM_NEWADDR] = { .type = NETLINK_TYPE_NESTED, .type_system = &rtnl_address_type_system, .size = sizeof(struct ifaddrmsg) },
557 [RTM_DELADDR] = { .type = NETLINK_TYPE_NESTED, .type_system = &rtnl_address_type_system, .size = sizeof(struct ifaddrmsg) },
558 [RTM_GETADDR] = { .type = NETLINK_TYPE_NESTED, .type_system = &rtnl_address_type_system, .size = sizeof(struct ifaddrmsg) },
559 [RTM_NEWROUTE] = { .type = NETLINK_TYPE_NESTED, .type_system = &rtnl_route_type_system, .size = sizeof(struct rtmsg) },
560 [RTM_DELROUTE] = { .type = NETLINK_TYPE_NESTED, .type_system = &rtnl_route_type_system, .size = sizeof(struct rtmsg) },
561 [RTM_GETROUTE] = { .type = NETLINK_TYPE_NESTED, .type_system = &rtnl_route_type_system, .size = sizeof(struct rtmsg) },
562 [RTM_NEWNEIGH] = { .type = NETLINK_TYPE_NESTED, .type_system = &rtnl_neigh_type_system, .size = sizeof(struct ndmsg) },
563 [RTM_DELNEIGH] = { .type = NETLINK_TYPE_NESTED, .type_system = &rtnl_neigh_type_system, .size = sizeof(struct ndmsg) },
564 [RTM_GETNEIGH] = { .type = NETLINK_TYPE_NESTED, .type_system = &rtnl_neigh_type_system, .size = sizeof(struct ndmsg) },
565};
566
567const NLTypeSystem type_system_root = {
568 .count = ELEMENTSOF(rtnl_types),
60f067b4
JS		 569 .types = rtnl_types,
570};
571
fb183854
MP		 572uint16_t type_get_type(const NLType *type) {
573 assert(type);
574 return type->type;
575}
60f067b4 576
fb183854
MP		 577size_t type_get_size(const NLType *type) {
578 assert(type);
579 return type->size;
580}
581
582void type_get_type_system(const NLType *nl_type, const NLTypeSystem **ret) {
583 assert(nl_type);
60f067b4 584 assert(ret);
fb183854
MP		 585 assert(nl_type->type == NETLINK_TYPE_NESTED);
586 assert(nl_type->type_system);
60f067b4 587
fb183854
MP		 588 *ret = nl_type->type_system;
589}
60f067b4 590
fb183854
MP		 591void type_get_type_system_union(const NLType *nl_type, const NLTypeSystemUnion **ret) {
592 assert(nl_type);
593 assert(ret);
594 assert(nl_type->type == NETLINK_TYPE_UNION);
595 assert(nl_type->type_system_union);
596
597 *ret = nl_type->type_system_union;
598}
599
600uint16_t type_system_get_count(const NLTypeSystem *type_system) {
601 assert(type_system);
602 return type_system->count;
603}
604
605int type_system_get_type(const NLTypeSystem *type_system, const NLType **ret, uint16_t type) {
606 const NLType *nl_type;
607
608 assert(ret);
609 assert(type_system);
60f067b4
JS		 610 assert(type_system->types);
611
fb183854 612 if (type >= type_system->count)
e3bff60a 613 return -EOPNOTSUPP;
60f067b4
JS		 614
615 nl_type = &type_system->types[type];
616
fb183854 617 if (nl_type->type == NETLINK_TYPE_UNSPEC)
e3bff60a 618 return -EOPNOTSUPP;
60f067b4
JS		 619
620 *ret = nl_type;
621
622 return 0;
623}
624
625int type_system_get_type_system(const NLTypeSystem *type_system, const NLTypeSystem **ret, uint16_t type) {
626 const NLType *nl_type;
627 int r;
628
629 assert(ret);
630
631 r = type_system_get_type(type_system, &nl_type, type);
632 if (r < 0)
633 return r;
634
fb183854 635 type_get_type_system(nl_type, ret);
60f067b4
JS		 636 return 0;
637}
638
639int type_system_get_type_system_union(const NLTypeSystem *type_system, const NLTypeSystemUnion **ret, uint16_t type) {
640 const NLType *nl_type;
641 int r;
642
643 assert(ret);
644
645 r = type_system_get_type(type_system, &nl_type, type);
646 if (r < 0)
647 return r;
648
fb183854 649 type_get_type_system_union(nl_type, ret);
60f067b4
JS		 650 return 0;
651}
652
653int type_system_union_get_type_system(const NLTypeSystemUnion *type_system_union, const NLTypeSystem **ret, const char *key) {
654 int type;
655
656 assert(type_system_union);
e3bff60a 657 assert(type_system_union->match_type == NL_MATCH_SIBLING);
60f067b4
JS		 658 assert(type_system_union->lookup);
659 assert(type_system_union->type_systems);
660 assert(ret);
661 assert(key);
662
663 type = type_system_union->lookup(key);
664 if (type < 0)
e3bff60a 665 return -EOPNOTSUPP;
60f067b4
JS		 666
667 assert(type < type_system_union->num);
668
669 *ret = &type_system_union->type_systems[type];
670
671 return 0;
672}
e735f4d4
MP		 673
674int type_system_union_protocol_get_type_system(const NLTypeSystemUnion *type_system_union, const NLTypeSystem **ret, uint16_t protocol) {
675 const NLTypeSystem *type_system;
676
677 assert(type_system_union);
678 assert(type_system_union->type_systems);
e3bff60a 679 assert(type_system_union->match_type == NL_MATCH_PROTOCOL);
e735f4d4 680 assert(ret);
e735f4d4
MP		 681
682 if (protocol >= type_system_union->num)
e3bff60a 683 return -EOPNOTSUPP;
e735f4d4
MP		 684
685 type_system = &type_system_union->type_systems[protocol];
fb183854 686 if (!type_system->types)
e3bff60a 687 return -EOPNOTSUPP;
e735f4d4
MP		 688
689 *ret = type_system;
690
691 return 0;
692}
systemd for Proxmox projects