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main
src/network/networkd-network.h
474 строки
16 KB
Aritra Basu
network: add IPv4ProxyARPAddress= and consolidate proxy ARP/NDP handling
15 июл 2026, 19:23
15 июл 2026, 19:23
08bebda
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/* SPDX-License-Identifier: LGPL-2.1-or-later */ #pragma once #include "sd-dhcp-lease.h" #include "sd-lldp-tx.h" #include "bridge.h" #include "firewall-util.h" #include "ipoib.h" #include "iovec-wrapper.h" #include "net-condition.h" #include "network-util.h" #include "networkd-bridge-vlan.h" #include "networkd-dhcp-common.h" #include "networkd-dhcp-relay.h" #include "networkd-dhcp-server.h" #include "networkd-dhcp4.h" #include "networkd-dhcp6.h" #include "networkd-dns.h" #include "networkd-forward.h" #include "networkd-ipv6ll.h" #include "networkd-lldp-rx.h" #include "networkd-ndisc.h" #include "networkd-radv.h" #include "networkd-sysctl.h" #include "networkd-wwan-bus.h" #include "resolve-util.h" #include "tlv-util.h" typedef enum KeepConfiguration { KEEP_CONFIGURATION_NO = 0, KEEP_CONFIGURATION_DYNAMIC_ON_START = 1 << 0, KEEP_CONFIGURATION_DYNAMIC_ON_STOP = 1 << 1, KEEP_CONFIGURATION_DYNAMIC = KEEP_CONFIGURATION_DYNAMIC_ON_START | KEEP_CONFIGURATION_DYNAMIC_ON_STOP, KEEP_CONFIGURATION_STATIC = 1 << 2, KEEP_CONFIGURATION_YES = KEEP_CONFIGURATION_DYNAMIC | KEEP_CONFIGURATION_STATIC, _KEEP_CONFIGURATION_MAX, _KEEP_CONFIGURATION_INVALID = -EINVAL, } KeepConfiguration; typedef enum ActivationPolicy { ACTIVATION_POLICY_UP, ACTIVATION_POLICY_ALWAYS_UP, ACTIVATION_POLICY_MANUAL, ACTIVATION_POLICY_ALWAYS_DOWN, ACTIVATION_POLICY_DOWN, ACTIVATION_POLICY_BOUND, _ACTIVATION_POLICY_MAX, _ACTIVATION_POLICY_INVALID = -EINVAL, } ActivationPolicy; typedef struct NetworkDHCPServerEmitAddress { bool emit; struct in_addr *addresses; size_t n_addresses; } NetworkDHCPServerEmitAddress; typedef struct Network { Manager *manager; unsigned n_ref; char *name; char *filename; char **dropins; Hashmap *stats_by_path; char *description; /* [Match] section */ NetMatch match; LIST_HEAD(Condition, conditions); /* Master or stacked netdevs */ bool keep_master; NetDev *batadv; NetDev *bridge; NetDev *bond; NetDev *vrf; NetDev *xfrm; Hashmap *stacked_netdevs; char *batadv_name; char *bridge_name; char *bond_name; char *vrf_name; Hashmap *stacked_netdev_names; /* [Link] section */ struct hw_addr_data hw_addr; uint32_t mtu; int32_t group; int arp; int multicast; int allmulticast; int promiscuous; bool unmanaged; int required_for_online; /* Is this network required to be considered online? */ LinkOperationalStateRange required_operstate_for_online; AddressFamily required_family_for_online; ActivationPolicy activation_policy; /* misc settings */ bool configure_without_carrier; bool ignore_carrier_loss_set; usec_t ignore_carrier_loss_usec; /* timespan */ KeepConfiguration keep_configuration; char **bind_carrier; bool default_route_on_device; AddressFamily ip_masquerade; usec_t ipv4_dad_timeout_usec; /* Protocol independent settings */ UseDomains use_domains; /* For backward compatibility, only applied to DHCPv4 and DHCPv6. */ UseDomains compat_dhcp_use_domains; int compat_dhcp_use_dns; int compat_dhcp_use_ntp; /* DHCP Client Support */ AddressFamily dhcp; struct in_addr dhcp_request_address; bool dhcp_use_bootp; DHCPClientIdentifier dhcp_client_identifier; DUID dhcp_duid; uint32_t dhcp_iaid; bool dhcp_iaid_set; char *dhcp_vendor_class_identifier; char *dhcp_mudurl; struct iovec_wrapper dhcp_user_class; char *dhcp_hostname; char *dhcp_label; uint64_t dhcp_max_attempts; uint32_t dhcp_route_metric; bool dhcp_route_metric_set; uint32_t dhcp_route_table; bool dhcp_route_table_set; usec_t dhcp_fallback_lease_lifetime_usec; uint32_t dhcp_route_mtu; uint16_t dhcp_client_port; uint16_t dhcp_port; int dhcp_critical; int dhcp_ip_service_type; int dhcp_socket_priority; bool dhcp_anonymize; bool dhcp_send_hostname; bool dhcp_send_hostname_set; int dhcp_broadcast; int dhcp_ipv6_only_mode; int dhcp_use_rapid_commit; int dhcp_use_dns; int dhcp_use_dnr; bool dhcp_routes_to_dns; int dhcp_use_ntp; bool dhcp_routes_to_ntp; bool dhcp_use_sip; bool dhcp_use_captive_portal; bool dhcp_use_mtu; bool dhcp_use_routes; int dhcp_use_gateway; bool dhcp_quickack; uint32_t dhcp_initial_congestion_window; uint32_t dhcp_advertised_receive_window; bool dhcp_use_timezone; bool dhcp_use_hostname; bool dhcp_use_6rd; uint8_t dhcp_6rd_prefix_route_type; bool dhcp_send_release; bool dhcp_send_decline; UseDomains dhcp_use_domains; Set *dhcp_deny_listed_ip; Set *dhcp_allow_listed_ip; Set *dhcp_request_options; TLV dhcp_extra_options; TLV dhcp_vendor_options; char *dhcp_netlabel; NFTSetContext dhcp_nft_set_context; /* DHCPv6 Client support */ bool dhcp6_use_address; bool dhcp6_use_pd_prefix; bool dhcp6_send_hostname; bool dhcp6_send_hostname_set; int dhcp6_use_dns; int dhcp6_use_dnr; bool dhcp6_use_hostname; int dhcp6_use_ntp; bool dhcp6_use_sip; bool dhcp6_use_captive_portal; bool dhcp6_use_rapid_commit; UseDomains dhcp6_use_domains; uint32_t dhcp6_iaid; bool dhcp6_iaid_set; bool dhcp6_iaid_set_explicitly; DUID dhcp6_duid; uint8_t dhcp6_pd_prefix_length; struct in6_addr dhcp6_pd_prefix_hint; uint8_t dhcp6_pd_prefix_route_type; char *dhcp6_hostname; char *dhcp6_mudurl; char **dhcp6_user_class; char **dhcp6_vendor_class; DHCP6ClientStartMode dhcp6_client_start_mode; OrderedHashmap *dhcp6_client_send_options; OrderedHashmap *dhcp6_client_send_vendor_options; Set *dhcp6_request_options; char *dhcp6_netlabel; bool dhcp6_send_release; NFTSetContext dhcp6_nft_set_context; uint32_t dhcp6_route_table; bool dhcp6_route_table_set; /* DHCP Relay Agent Support */ DHCPRelayInterfaceMode dhcp_relay_interface_mode; Address *dhcp_relay_agent_address; struct in_addr dhcp_relay_target_address; /* for deprecated DHCPServer.RelayTarget= */ struct in_addr dhcp_relay_agent_address_in_addr; struct in_addr dhcp_relay_gateway_address; struct iovec dhcp_relay_remote_id; /* for deprecated DHCPServer.RelayAgentRemoteId= */ struct iovec dhcp_relay_circuit_id; struct iovec dhcp_relay_vss; TLV dhcp_relay_extra_options; int dhcp_relay_interface_priority; /* DHCP Server Support */ bool dhcp_server; unsigned char dhcp_server_address_prefixlen; struct in_addr dhcp_server_address_in_addr; const Address *dhcp_server_address; int dhcp_server_uplink_index; char *dhcp_server_uplink_name; NetworkDHCPServerEmitAddress dhcp_server_emit[_SD_DHCP_LEASE_SERVER_TYPE_MAX]; bool dhcp_server_emit_router; struct in_addr dhcp_server_router; bool dhcp_server_emit_timezone; char *dhcp_server_timezone; bool dhcp_server_emit_domain; char *dhcp_server_domain; 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; TLV dhcp_server_extra_options; TLV dhcp_server_vendor_options; struct in_addr dhcp_server_boot_server_address; char *dhcp_server_boot_server_name; char *dhcp_server_boot_filename; usec_t dhcp_server_ipv6_only_preferred_usec; bool dhcp_server_rapid_commit; DHCPServerPersistLeases dhcp_server_persist_leases; char *dhcp_server_local_lease_domain; /* link-local addressing support */ AddressFamily link_local; IPv6LinkLocalAddressGenMode ipv6ll_address_gen_mode; struct in6_addr ipv6ll_stable_secret; struct in_addr ipv4ll_start_address; bool ipv4ll_route; /* IPv6 RA support */ RADVPrefixDelegation router_prefix_delegation; usec_t router_lifetime_usec; uint8_t router_preference; usec_t router_reachable_usec; usec_t router_retransmit_usec; uint8_t router_hop_limit; bool router_managed; bool router_other_information; bool router_emit_dns; bool router_emit_domains; usec_t router_dns_lifetime_usec; struct in6_addr *router_dns; unsigned n_router_dns; OrderedSet *router_search_domains; int router_uplink_index; char *router_uplink_name; /* Mobile IPv6 Home Agent */ bool router_home_agent_information; uint16_t router_home_agent_preference; usec_t home_agent_lifetime_usec; /* DHCP Prefix Delegation support */ int dhcp_pd; bool dhcp_pd_announce; bool dhcp_pd_assign; bool dhcp_pd_manage_temporary_address; int64_t dhcp_pd_subnet_id; uint32_t dhcp_pd_route_metric; Set *dhcp_pd_tokens; int dhcp_pd_uplink_index; char *dhcp_pd_uplink_name; char *dhcp_pd_netlabel; NFTSetContext dhcp_pd_nft_set_context; /* Bridge Support */ int use_bpdu; int hairpin; int isolated; int fast_leave; int allow_port_to_be_root; int unicast_flood; int multicast_flood; int multicast_to_unicast; int neighbor_suppression; int learning; int bridge_proxy_arp; int bridge_proxy_arp_wifi; uint32_t cost; uint16_t priority; MulticastRouter multicast_router; int bridge_locked; int bridge_mac_authentication_bypass; int bridge_vlan_tunnel; /* Bridge VLAN */ uint16_t bridge_vlan_pvid; uint32_t bridge_vlan_bitmap[BRIDGE_VLAN_BITMAP_LEN]; uint32_t bridge_vlan_untagged_bitmap[BRIDGE_VLAN_BITMAP_LEN]; /* CAN support */ uint32_t can_bitrate; unsigned can_sample_point; nsec_t can_time_quanta_ns; uint32_t can_propagation_segment; uint32_t can_phase_buffer_segment_1; uint32_t can_phase_buffer_segment_2; uint32_t can_sync_jump_width; uint32_t can_data_bitrate; unsigned can_data_sample_point; nsec_t can_data_time_quanta_ns; uint32_t can_data_propagation_segment; uint32_t can_data_phase_buffer_segment_1; uint32_t can_data_phase_buffer_segment_2; uint32_t can_data_sync_jump_width; usec_t can_restart_us; uint32_t can_control_mode_mask; uint32_t can_control_mode_flags; uint16_t can_termination; bool can_termination_set; /* IPoIB support */ IPoIBMode ipoib_mode; int ipoib_umcast; /* sysctl settings */ int ip_forwarding[2]; int ipv4_accept_local; int ipv4_route_localnet; int ipv4_src_valid_mark; int ipv6_dad_transmits; uint8_t ipv6_hop_limit; usec_t ipv6_retransmission_time; int proxy_arp; int proxy_arp_pvlan; uint32_t ipv6_mtu; IPv6PrivacyExtensions ipv6_privacy_extensions; IPReversePathFilter ipv4_rp_filter; IPv4ForceIgmpVersion ipv4_force_igmp_version; int ipv6_proxy_ndp; Set *neighbor_proxy_addresses; int mpls_input; /* NDisc support */ int ndisc; int ndisc_use_dnr; bool ndisc_use_redirect; int ndisc_use_dns; bool ndisc_use_gateway; bool ndisc_use_route_prefix; bool ndisc_use_autonomous_prefix; bool ndisc_use_onlink_prefix; bool ndisc_use_mtu; bool ndisc_use_hop_limit; bool ndisc_use_reachable_time; bool ndisc_use_retransmission_time; bool ndisc_quickack; bool ndisc_use_captive_portal; bool ndisc_use_pref64; bool active_slave; bool primary_slave; UseDomains ndisc_use_domains; IPv6AcceptRAStartDHCP6Client ndisc_start_dhcp6_client; uint32_t ndisc_route_table; bool ndisc_route_table_set; uint32_t ndisc_route_metric_high; uint32_t ndisc_route_metric_medium; uint32_t ndisc_route_metric_low; bool ndisc_route_metric_set; Set *ndisc_deny_listed_router; Set *ndisc_allow_listed_router; Set *ndisc_deny_listed_prefix; Set *ndisc_allow_listed_prefix; Set *ndisc_deny_listed_route_prefix; Set *ndisc_allow_listed_route_prefix; Set *ndisc_tokens; char *ndisc_netlabel; NFTSetContext ndisc_nft_set_context; /* LLDP support */ LLDPMode lldp_mode; /* LLDP reception */ sd_lldp_multicast_mode_t lldp_multicast_mode; /* LLDP transmission */ char *lldp_mudurl; /* LLDP MUD URL */ OrderedHashmap *addresses_by_section; Hashmap *routes_by_section; OrderedHashmap *nexthops_by_section; Hashmap *bridge_fdb_entries_by_section; Hashmap *bridge_mdb_entries_by_section; OrderedHashmap *neighbors_by_section; Hashmap *address_labels_by_section; Hashmap *prefixes_by_section; Hashmap *route_prefixes_by_section; Hashmap *pref64_prefixes_by_section; Hashmap *rules_by_section; Hashmap *dhcp_static_leases_by_section; Hashmap *qdiscs_by_section; Hashmap *tclasses_by_section; OrderedHashmap *sr_iov_by_section; /* All kinds of DNS configuration */ struct in_addr_full **dns; unsigned n_dns; OrderedSet *search_domains, *route_domains; int dns_default_route; ResolveSupport llmnr; ResolveSupport mdns; DnssecMode dnssec_mode; DnsOverTlsMode dns_over_tls_mode; Set *dnssec_negative_trust_anchors; /* NTP */ char **ntp; /* ModemManager support */ char *mm_apn; bool mm_allow_roaming; MMBearerAllowedAuth mm_allowed_auth; MMBearerIpFamily mm_ip_family; char *mm_operator_id; char *mm_user; char *mm_password; char *mm_pin; int mm_use_gateway; uint32_t mm_route_metric; bool mm_route_metric_set; } Network; DECLARE_TRIVIAL_REF_UNREF_FUNC(Network, network); DEFINE_TRIVIAL_CLEANUP_FUNC(Network*, network_unref); int network_load(Manager *manager, OrderedHashmap **ret); int network_reload(Manager *manager); int network_load_one(Manager *manager, OrderedHashmap **networks, const char *filename); int network_verify(Network *network); int manager_build_dhcp_pd_subnet_ids(Manager *manager); int network_get_by_name(Manager *manager, const char *name, Network **ret); void network_apply_anonymize_if_set(Network *network); bool network_has_static_ipv6_configurations(Network *network); CONFIG_PARSER_PROTOTYPE(config_parse_stacked_netdev); CONFIG_PARSER_PROTOTYPE(config_parse_tunnel); CONFIG_PARSER_PROTOTYPE(config_parse_required_for_online); CONFIG_PARSER_PROTOTYPE(config_parse_required_family_for_online); CONFIG_PARSER_PROTOTYPE(config_parse_keep_configuration); CONFIG_PARSER_PROTOTYPE(config_parse_activation_policy); CONFIG_PARSER_PROTOTYPE(config_parse_link_group); CONFIG_PARSER_PROTOTYPE(config_parse_ignore_carrier_loss); const struct ConfigPerfItem* network_network_gperf_lookup(const char *str, GPERF_LEN_TYPE length); DECLARE_STRING_TABLE_LOOKUP(keep_configuration, KeepConfiguration); DECLARE_STRING_TABLE_LOOKUP(activation_policy, ActivationPolicy);