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Diffstat (limited to 'src/network/networkd-network.h')
-rw-r--r-- | src/network/networkd-network.h | 252 |
1 files changed, 252 insertions, 0 deletions
diff --git a/src/network/networkd-network.h b/src/network/networkd-network.h new file mode 100644 index 0000000000..ef4b499ab9 --- /dev/null +++ b/src/network/networkd-network.h @@ -0,0 +1,252 @@ +#pragma once + +/*** + This file is part of systemd. + + Copyright 2013 Tom Gundersen <teg@jklm.no> + + systemd is free software; you can redistribute it and/or modify it + under the terms of the GNU Lesser General Public License as published by + the Free Software Foundation; either version 2.1 of the License, or + (at your option) any later version. + + systemd is distributed in the hope that it will be useful, but + WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public License + along with systemd; If not, see <http://www.gnu.org/licenses/>. +***/ + +#include "sd-bus.h" +#include "udev.h" + +#include "condition.h" +#include "dhcp-identifier.h" +#include "hashmap.h" +#include "resolve-util.h" + +#include "networkd-address.h" +#include "networkd-brvlan.h" +#include "networkd-fdb.h" +#include "networkd-lldp-tx.h" +#include "networkd-netdev.h" +#include "networkd-route.h" +#include "networkd-util.h" + +#define DHCP_ROUTE_METRIC 1024 +#define IPV4LL_ROUTE_METRIC 2048 + +#define BRIDGE_VLAN_BITMAP_MAX 4096 +#define BRIDGE_VLAN_BITMAP_LEN (BRIDGE_VLAN_BITMAP_MAX / 32) + +typedef enum DCHPClientIdentifier { + DHCP_CLIENT_ID_MAC, + DHCP_CLIENT_ID_DUID, + _DHCP_CLIENT_ID_MAX, + _DHCP_CLIENT_ID_INVALID = -1, +} DCHPClientIdentifier; + +typedef enum IPv6PrivacyExtensions { + /* The values map to the kernel's /proc/sys/net/ipv6/conf/xxx/use_tempaddr values */ + IPV6_PRIVACY_EXTENSIONS_NO, + IPV6_PRIVACY_EXTENSIONS_PREFER_PUBLIC, + IPV6_PRIVACY_EXTENSIONS_YES, /* aka prefer-temporary */ + _IPV6_PRIVACY_EXTENSIONS_MAX, + _IPV6_PRIVACY_EXTENSIONS_INVALID = -1, +} IPv6PrivacyExtensions; + +typedef enum DHCPUseDomains { + DHCP_USE_DOMAINS_NO, + DHCP_USE_DOMAINS_YES, + DHCP_USE_DOMAINS_ROUTE, + _DHCP_USE_DOMAINS_MAX, + _DHCP_USE_DOMAINS_INVALID = -1, +} DHCPUseDomains; + +typedef enum LLDPMode { + LLDP_MODE_NO = 0, + LLDP_MODE_YES = 1, + LLDP_MODE_ROUTERS_ONLY = 2, + _LLDP_MODE_MAX, + _LLDP_MODE_INVALID = -1, +} LLDPMode; + +typedef struct DUID { + /* Value of Type in [DHCP] section */ + DUIDType type; + + uint8_t raw_data_len; + uint8_t raw_data[MAX_DUID_LEN]; +} DUID; + +typedef struct Manager Manager; + +struct Network { + Manager *manager; + + char *filename; + char *name; + + struct ether_addr *match_mac; + char **match_path; + char **match_driver; + char **match_type; + char **match_name; + + Condition *match_host; + Condition *match_virt; + Condition *match_kernel; + Condition *match_arch; + + char *description; + + NetDev *bridge; + NetDev *bond; + NetDev *vrf; + Hashmap *stacked_netdevs; + + /* DHCP Client Support */ + AddressFamilyBoolean dhcp; + DCHPClientIdentifier dhcp_client_identifier; + char *dhcp_vendor_class_identifier; + char *dhcp_hostname; + bool dhcp_use_dns; + bool dhcp_use_ntp; + bool dhcp_use_mtu; + bool dhcp_use_hostname; + DHCPUseDomains dhcp_use_domains; + bool dhcp_send_hostname; + bool dhcp_broadcast; + bool dhcp_critical; + bool dhcp_use_routes; + bool dhcp_use_timezone; + unsigned dhcp_route_metric; + uint32_t dhcp_route_table; + + /* DHCP Server Support */ + bool dhcp_server; + bool dhcp_server_emit_dns; + struct in_addr *dhcp_server_dns; + unsigned n_dhcp_server_dns; + bool dhcp_server_emit_ntp; + struct in_addr *dhcp_server_ntp; + unsigned n_dhcp_server_ntp; + bool dhcp_server_emit_router; + bool dhcp_server_emit_timezone; + char *dhcp_server_timezone; + usec_t dhcp_server_default_lease_time_usec, dhcp_server_max_lease_time_usec; + uint32_t dhcp_server_pool_offset; + uint32_t dhcp_server_pool_size; + + /* IPV4LL Support */ + AddressFamilyBoolean link_local; + bool ipv4ll_route; + + /* Bridge Support */ + bool use_bpdu; + bool hairpin; + bool fast_leave; + bool allow_port_to_be_root; + bool unicast_flood; + unsigned cost; + + bool use_br_vlan; + uint16_t pvid; + uint32_t br_vid_bitmap[BRIDGE_VLAN_BITMAP_LEN]; + uint32_t br_untagged_bitmap[BRIDGE_VLAN_BITMAP_LEN]; + + AddressFamilyBoolean ip_forward; + bool ip_masquerade; + + int ipv6_accept_ra; + int ipv6_dad_transmits; + int ipv6_hop_limit; + int proxy_arp; + + bool ipv6_accept_ra_use_dns; + DHCPUseDomains ipv6_accept_ra_use_domains; + uint32_t ipv6_accept_ra_route_table; + + union in_addr_union ipv6_token; + IPv6PrivacyExtensions ipv6_privacy_extensions; + + struct ether_addr *mac; + unsigned mtu; + int arp; + uint32_t iaid; + DUID duid; + + LLDPMode lldp_mode; /* LLDP reception */ + LLDPEmit lldp_emit; /* LLDP transmission */ + + LIST_HEAD(Address, static_addresses); + LIST_HEAD(Route, static_routes); + LIST_HEAD(FdbEntry, static_fdb_entries); + + unsigned n_static_addresses; + unsigned n_static_routes; + unsigned n_static_fdb_entries; + + Hashmap *addresses_by_section; + Hashmap *routes_by_section; + Hashmap *fdb_entries_by_section; + + char **search_domains, **route_domains, **dns, **ntp, **bind_carrier; + + ResolveSupport llmnr; + ResolveSupport mdns; + DnssecMode dnssec_mode; + Set *dnssec_negative_trust_anchors; + + LIST_FIELDS(Network, networks); +}; + +void network_free(Network *network); + +DEFINE_TRIVIAL_CLEANUP_FUNC(Network*, network_free); +#define _cleanup_network_free_ _cleanup_(network_freep) + +int network_load(Manager *manager); + +int network_get_by_name(Manager *manager, const char *name, Network **ret); +int network_get(Manager *manager, struct udev_device *device, const char *ifname, const struct ether_addr *mac, Network **ret); +int network_apply(Manager *manager, Network *network, Link *link); + +bool network_has_static_ipv6_addresses(Network *network); + +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); +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); +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); +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); +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); +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); +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); +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); +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); +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); +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); +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); +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); +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); +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); + +/* Legacy IPv4LL support */ +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); + +const struct ConfigPerfItem* network_network_gperf_lookup(const char *key, unsigned length); + +extern const sd_bus_vtable network_vtable[]; + +int network_node_enumerator(sd_bus *bus, const char *path, void *userdata, char ***nodes, sd_bus_error *error); +int network_object_find(sd_bus *bus, const char *path, const char *interface, void *userdata, void **found, sd_bus_error *error); + +const char* ipv6_privacy_extensions_to_string(IPv6PrivacyExtensions i) _const_; +IPv6PrivacyExtensions ipv6_privacy_extensions_from_string(const char *s) _pure_; + +const char* dhcp_use_domains_to_string(DHCPUseDomains p) _const_; +DHCPUseDomains dhcp_use_domains_from_string(const char *s) _pure_; + +const char* lldp_mode_to_string(LLDPMode m) _const_; +LLDPMode lldp_mode_from_string(const char *s) _pure_; |