4 This file is part of systemd.
6 Copyright 2013 Tom Gundersen <teg@jklm.no>
8 systemd is free software; you can redistribute it and/or modify it
9 under the terms of the GNU Lesser General Public License as published by
10 the Free Software Foundation; either version 2.1 of the License, or
11 (at your option) any later version.
13 systemd is distributed in the hope that it will be useful, but
14 WITHOUT ANY WARRANTY; without even the implied warranty of
15 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
16 Lesser General Public License for more details.
18 You should have received a copy of the GNU Lesser General Public License
19 along with systemd; If not, see <http://www.gnu.org/licenses/>.
25 #include "condition.h"
26 #include "dhcp-identifier.h"
28 #include "resolve-util.h"
30 #include "networkd-address.h"
31 #include "networkd-address-label.h"
32 #include "networkd-brvlan.h"
33 #include "networkd-fdb.h"
34 #include "networkd-lldp-tx.h"
35 #include "networkd-ipv6-proxy-ndp.h"
36 #include "networkd-route.h"
37 #include "networkd-util.h"
38 #include "netdev/netdev.h"
40 #define DHCP_ROUTE_METRIC 1024
41 #define IPV4LL_ROUTE_METRIC 2048
43 #define BRIDGE_VLAN_BITMAP_MAX 4096
44 #define BRIDGE_VLAN_BITMAP_LEN (BRIDGE_VLAN_BITMAP_MAX / 32)
46 typedef enum DCHPClientIdentifier
{
50 _DHCP_CLIENT_ID_INVALID
= -1,
51 } DCHPClientIdentifier
;
53 typedef enum IPv6PrivacyExtensions
{
54 /* The values map to the kernel's /proc/sys/net/ipv6/conf/xxx/use_tempaddr values */
55 IPV6_PRIVACY_EXTENSIONS_NO
,
56 IPV6_PRIVACY_EXTENSIONS_PREFER_PUBLIC
,
57 IPV6_PRIVACY_EXTENSIONS_YES
, /* aka prefer-temporary */
58 _IPV6_PRIVACY_EXTENSIONS_MAX
,
59 _IPV6_PRIVACY_EXTENSIONS_INVALID
= -1,
60 } IPv6PrivacyExtensions
;
62 typedef enum DHCPUseDomains
{
65 DHCP_USE_DOMAINS_ROUTE
,
66 _DHCP_USE_DOMAINS_MAX
,
67 _DHCP_USE_DOMAINS_INVALID
= -1,
70 typedef enum LLDPMode
{
73 LLDP_MODE_ROUTERS_ONLY
= 2,
75 _LLDP_MODE_INVALID
= -1,
79 /* Value of Type in [DHCP] section */
83 uint8_t raw_data
[MAX_DUID_LEN
];
86 typedef struct NetworkConfigSection
{
89 } NetworkConfigSection
;
91 int network_config_section_new(const char *filename
, unsigned line
, NetworkConfigSection
**s
);
92 void network_config_section_free(NetworkConfigSection
*network
);
94 DEFINE_TRIVIAL_CLEANUP_FUNC(NetworkConfigSection
*, network_config_section_free
);
95 #define _cleanup_network_config_section_free_ _cleanup_(network_config_section_freep)
97 typedef struct Manager Manager
;
105 struct ether_addr
*match_mac
;
111 Condition
*match_host
;
112 Condition
*match_virt
;
113 Condition
*match_kernel
;
114 Condition
*match_arch
;
121 Hashmap
*stacked_netdevs
;
123 /* DHCP Client Support */
124 AddressFamilyBoolean dhcp
;
125 DCHPClientIdentifier dhcp_client_identifier
;
126 char *dhcp_vendor_class_identifier
;
128 unsigned dhcp_route_metric
;
129 uint32_t dhcp_route_table
;
130 uint16_t dhcp_client_port
;
131 bool dhcp_send_hostname
;
137 bool dhcp_use_routes
;
138 bool dhcp_use_timezone
;
139 bool dhcp_use_hostname
;
140 DHCPUseDomains dhcp_use_domains
;
142 /* DHCP Server Support */
144 bool dhcp_server_emit_dns
;
145 struct in_addr
*dhcp_server_dns
;
146 unsigned n_dhcp_server_dns
;
147 bool dhcp_server_emit_ntp
;
148 struct in_addr
*dhcp_server_ntp
;
149 unsigned n_dhcp_server_ntp
;
150 bool dhcp_server_emit_router
;
151 bool dhcp_server_emit_timezone
;
152 char *dhcp_server_timezone
;
153 usec_t dhcp_server_default_lease_time_usec
, dhcp_server_max_lease_time_usec
;
154 uint32_t dhcp_server_pool_offset
;
155 uint32_t dhcp_server_pool_size
;
158 AddressFamilyBoolean link_local
;
161 /* IPv6 prefix delegation support */
162 bool router_prefix_delegation
;
163 usec_t router_lifetime_usec
;
164 uint8_t router_preference
;
166 bool router_other_information
;
172 bool allow_port_to_be_root
;
179 uint32_t br_vid_bitmap
[BRIDGE_VLAN_BITMAP_LEN
];
180 uint32_t br_untagged_bitmap
[BRIDGE_VLAN_BITMAP_LEN
];
182 AddressFamilyBoolean ip_forward
;
186 int ipv6_dad_transmits
;
191 bool ipv6_accept_ra_use_dns
;
194 DHCPUseDomains ipv6_accept_ra_use_domains
;
195 uint32_t ipv6_accept_ra_route_table
;
197 union in_addr_union ipv6_token
;
198 IPv6PrivacyExtensions ipv6_privacy_extensions
;
200 struct ether_addr
*mac
;
207 LLDPMode lldp_mode
; /* LLDP reception */
208 LLDPEmit lldp_emit
; /* LLDP transmission */
210 LIST_HEAD(Address
, static_addresses
);
211 LIST_HEAD(Route
, static_routes
);
212 LIST_HEAD(FdbEntry
, static_fdb_entries
);
213 LIST_HEAD(IPv6ProxyNDPAddress
, ipv6_proxy_ndp_addresses
);
214 LIST_HEAD(AddressLabel
, address_labels
);
215 LIST_HEAD(Prefix
, static_prefixes
);
217 unsigned n_static_addresses
;
218 unsigned n_static_routes
;
219 unsigned n_static_fdb_entries
;
220 unsigned n_ipv6_proxy_ndp_addresses
;
221 unsigned n_address_labels
;
222 unsigned n_static_prefixes
;
224 Hashmap
*addresses_by_section
;
225 Hashmap
*routes_by_section
;
226 Hashmap
*fdb_entries_by_section
;
227 Hashmap
*address_labels_by_section
;
228 Hashmap
*prefixes_by_section
;
230 struct in_addr_data
*dns
;
233 char **search_domains
, **route_domains
, **ntp
, **bind_carrier
;
235 ResolveSupport llmnr
;
237 DnssecMode dnssec_mode
;
238 Set
*dnssec_negative_trust_anchors
;
240 LIST_FIELDS(Network
, networks
);
243 void network_free(Network
*network
);
245 DEFINE_TRIVIAL_CLEANUP_FUNC(Network
*, network_free
);
246 #define _cleanup_network_free_ _cleanup_(network_freep)
248 int network_load(Manager
*manager
);
250 int network_get_by_name(Manager
*manager
, const char *name
, Network
**ret
);
251 int network_get(Manager
*manager
, struct udev_device
*device
, const char *ifname
, const struct ether_addr
*mac
, Network
**ret
);
252 int network_apply(Network
*network
, Link
*link
);
254 bool network_has_static_ipv6_addresses(Network
*network
);
256 int config_parse_netdev(const char *unit
, const char *filename
, unsigned line
, const char *section
, unsigned section_line
, const char *lvalue
, int ltype
, const char *rvalue
, void *data
, void *userdata
);
257 int config_parse_domains(const char *unit
, const char *filename
, unsigned line
, const char *section
, unsigned section_line
, const char *lvalue
, int ltype
, const char *rvalue
, void *data
, void *userdata
);
258 int config_parse_tunnel(const char *unit
, const char *filename
, unsigned line
, const char *section
, unsigned section_line
, const char *lvalue
, int ltype
, const char *rvalue
, void *data
, void *userdata
);
259 int config_parse_dhcp(const char *unit
, const char *filename
, unsigned line
, const char *section
, unsigned section_line
, const char *lvalue
, int ltype
, const char *rvalue
, void *data
, void *userdata
);
260 int config_parse_dns(const char *unit
, const char *filename
, unsigned line
, const char *section
, unsigned section_line
, const char *lvalue
, int ltype
, const char *rvalue
, void *data
, void *userdata
);
261 int config_parse_dhcp_client_identifier(const char *unit
, const char *filename
, unsigned line
, const char *section
, unsigned section_line
, const char *lvalue
, int ltype
, const char *rvalue
, void *data
, void *userdata
);
262 int config_parse_ipv6token(const char *unit
, const char *filename
, unsigned line
, const char *section
, unsigned section_line
, const char *lvalue
, int ltype
, const char *rvalue
, void *data
, void *userdata
);
263 int config_parse_ipv6_privacy_extensions(const char *unit
, const char *filename
, unsigned line
, const char *section
, unsigned section_line
, const char *lvalue
, int ltype
, const char *rvalue
, void *data
, void *userdata
);
264 int config_parse_hostname(const char *unit
, const char *filename
, unsigned line
, const char *section
, unsigned section_line
, const char *lvalue
, int ltype
, const char *rvalue
, void *data
, void *userdata
);
265 int config_parse_timezone(const char *unit
, const char *filename
, unsigned line
, const char *section
, unsigned section_line
, const char *lvalue
, int ltype
, const char *rvalue
, void *data
, void *userdata
);
266 int config_parse_dhcp_server_dns(const char *unit
, const char *filename
, unsigned line
, const char *section
, unsigned section_line
, const char *lvalue
, int ltype
, const char *rvalue
, void *data
, void *userdata
);
267 int config_parse_dhcp_server_ntp(const char *unit
, const char *filename
, unsigned line
, const char *section
, unsigned section_line
, const char *lvalue
, int ltype
, const char *rvalue
, void *data
, void *userdata
);
268 int config_parse_dnssec_negative_trust_anchors(const char *unit
, const char *filename
, unsigned line
, const char *section
, unsigned section_line
, const char *lvalue
, int ltype
, const char *rvalue
, void *data
, void *userdata
);
269 int config_parse_dhcp_use_domains(const char *unit
, const char *filename
, unsigned line
, const char *section
, unsigned section_line
, const char *lvalue
, int ltype
, const char *rvalue
, void *data
, void *userdata
);
270 int config_parse_lldp_mode(const char *unit
, const char *filename
, unsigned line
, const char *section
, unsigned section_line
, const char *lvalue
, int ltype
, const char *rvalue
, void *data
, void *userdata
);
271 int config_parse_dhcp_route_table(const char *unit
, const char *filename
, unsigned line
, const char *section
, unsigned section_line
, const char *lvalue
, int ltype
, const char *rvalue
, void *data
, void *userdata
);
272 int config_parse_ntp(const char *unit
, const char *filename
, unsigned line
, const char *section
, unsigned section_line
, const char *lvalue
, int ltype
, const char *rvalue
, void *data
, void *userdata
);
274 /* Legacy IPv4LL support */
275 int config_parse_ipv4ll(const char *unit
, const char *filename
, unsigned line
, const char *section
, unsigned section_line
, const char *lvalue
, int ltype
, const char *rvalue
, void *data
, void *userdata
);
277 const struct ConfigPerfItem
* network_network_gperf_lookup(const char *key
, GPERF_LEN_TYPE length
);
279 extern const sd_bus_vtable network_vtable
[];
281 int network_node_enumerator(sd_bus
*bus
, const char *path
, void *userdata
, char ***nodes
, sd_bus_error
*error
);
282 int network_object_find(sd_bus
*bus
, const char *path
, const char *interface
, void *userdata
, void **found
, sd_bus_error
*error
);
284 const char* ipv6_privacy_extensions_to_string(IPv6PrivacyExtensions i
) _const_
;
285 IPv6PrivacyExtensions
ipv6_privacy_extensions_from_string(const char *s
) _pure_
;
287 const char* dhcp_use_domains_to_string(DHCPUseDomains p
) _const_
;
288 DHCPUseDomains
dhcp_use_domains_from_string(const char *s
) _pure_
;
290 const char* lldp_mode_to_string(LLDPMode m
) _const_
;
291 LLDPMode
lldp_mode_from_string(const char *s
) _pure_
;