244 lines
7.6 KiB
C
244 lines
7.6 KiB
C
/* SPDX-License-Identifier: LGPL-2.1+ */
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#pragma once
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#include <endian.h>
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#include <linux/nl80211.h>
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#include "sd-bus.h"
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#include "sd-device.h"
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#include "sd-dhcp-client.h"
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#include "sd-dhcp-server.h"
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#include "sd-dhcp6-client.h"
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#include "sd-ipv4ll.h"
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#include "sd-lldp.h"
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#include "sd-ndisc.h"
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#include "sd-radv.h"
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#include "sd-netlink.h"
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#include "list.h"
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#include "log-link.h"
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#include "network-util.h"
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#include "networkd-util.h"
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#include "ordered-set.h"
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#include "resolve-util.h"
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#include "set.h"
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typedef enum LinkState {
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LINK_STATE_PENDING, /* udev has not initialized the link */
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LINK_STATE_INITIALIZED, /* udev has initialized the link */
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LINK_STATE_CONFIGURING, /* configuring addresses, routes, etc. */
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LINK_STATE_CONFIGURED, /* everything is configured */
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LINK_STATE_UNMANAGED, /* Unmanaged=yes is set */
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LINK_STATE_FAILED, /* at least one configuration process failed */
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LINK_STATE_LINGER, /* RTM_DELLINK for the link has been received */
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_LINK_STATE_MAX,
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_LINK_STATE_INVALID = -1
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} LinkState;
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typedef struct Manager Manager;
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typedef struct Network Network;
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typedef struct Address Address;
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typedef struct DUID DUID;
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typedef struct Link {
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Manager *manager;
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unsigned n_ref;
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int ifindex;
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int master_ifindex;
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char *ifname;
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char **alternative_names;
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char *kind;
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unsigned short iftype;
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char *state_file;
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struct ether_addr mac;
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struct ether_addr permanent_mac;
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struct in6_addr ipv6ll_address;
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uint32_t mtu;
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sd_device *sd_device;
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char *driver;
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/* wlan */
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enum nl80211_iftype wlan_iftype;
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char *ssid;
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struct ether_addr bssid;
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unsigned flags;
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uint8_t kernel_operstate;
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Network *network;
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LinkState state;
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LinkOperationalState operstate;
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LinkCarrierState carrier_state;
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LinkAddressState address_state;
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unsigned address_messages;
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unsigned address_label_messages;
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unsigned neighbor_messages;
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unsigned route_messages;
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unsigned nexthop_messages;
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unsigned routing_policy_rule_messages;
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unsigned routing_policy_rule_remove_messages;
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unsigned tc_messages;
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unsigned sr_iov_messages;
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unsigned enslaving;
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Set *addresses;
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Set *addresses_foreign;
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Set *neighbors;
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Set *neighbors_foreign;
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Set *routes;
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Set *routes_foreign;
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Set *nexthops;
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Set *nexthops_foreign;
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sd_dhcp_client *dhcp_client;
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sd_dhcp_lease *dhcp_lease, *dhcp_lease_old;
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Set *dhcp_routes;
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char *lease_file;
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uint32_t original_mtu;
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unsigned dhcp4_messages;
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unsigned dhcp4_remove_messages;
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unsigned dhcp6_address_messages;
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unsigned dhcp6_route_messages;
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unsigned dhcp6_pd_address_messages;
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unsigned dhcp6_pd_route_messages;
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bool dhcp4_route_failed:1;
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bool dhcp4_route_retrying:1;
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bool dhcp4_configured:1;
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bool dhcp6_address_configured:1;
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bool dhcp6_route_configured:1;
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bool dhcp6_pd_address_configured:1;
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bool dhcp6_pd_route_configured:1;
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unsigned ndisc_addresses_messages;
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unsigned ndisc_routes_messages;
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bool ndisc_addresses_configured:1;
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bool ndisc_routes_configured:1;
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sd_ipv4ll *ipv4ll;
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bool ipv4ll_address:1;
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bool addresses_configured:1;
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bool addresses_ready:1;
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bool neighbors_configured:1;
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bool static_routes_configured:1;
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bool static_nexthops_configured:1;
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bool routing_policy_rules_configured:1;
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bool tc_configured:1;
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bool sr_iov_configured:1;
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bool setting_mtu:1;
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bool setting_genmode:1;
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bool ipv6_mtu_set:1;
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LIST_HEAD(Address, pool_addresses);
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sd_dhcp_server *dhcp_server;
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sd_ndisc *ndisc;
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Set *ndisc_rdnss;
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Set *ndisc_dnssl;
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sd_radv *radv;
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sd_dhcp6_client *dhcp6_client;
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/* This is about LLDP reception */
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sd_lldp *lldp;
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char *lldp_file;
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/* This is about LLDP transmission */
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unsigned lldp_tx_fast; /* The LLDP txFast counter (See 802.1ab-2009, section 9.2.5.18) */
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sd_event_source *lldp_emit_event_source;
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Hashmap *bound_by_links;
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Hashmap *bound_to_links;
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Set *slaves;
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/* For speed meter */
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struct rtnl_link_stats64 stats_old, stats_new;
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bool stats_updated;
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/* All kinds of DNS configuration the user configured via D-Bus */
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struct in_addr_data *dns;
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unsigned n_dns;
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OrderedSet *search_domains, *route_domains;
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int dns_default_route;
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ResolveSupport llmnr;
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ResolveSupport mdns;
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DnssecMode dnssec_mode;
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DnsOverTlsMode dns_over_tls_mode;
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Set *dnssec_negative_trust_anchors;
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/* Similar, but NTP server configuration */
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char **ntp;
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} Link;
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typedef int (*link_netlink_message_handler_t)(sd_netlink*, sd_netlink_message*, Link*);
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DUID *link_get_duid(Link *link);
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int get_product_uuid_handler(sd_bus_message *m, void *userdata, sd_bus_error *ret_error);
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void link_ntp_settings_clear(Link *link);
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void link_dns_settings_clear(Link *link);
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Link *link_unref(Link *link);
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Link *link_ref(Link *link);
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DEFINE_TRIVIAL_CLEANUP_FUNC(Link*, link_unref);
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DEFINE_TRIVIAL_DESTRUCTOR(link_netlink_destroy_callback, Link, link_unref);
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int link_get(Manager *m, int ifindex, Link **ret);
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int link_add(Manager *manager, sd_netlink_message *message, Link **ret);
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void link_drop(Link *link);
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int link_down(Link *link, link_netlink_message_handler_t callback);
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void link_enter_failed(Link *link);
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int link_initialized(Link *link, sd_device *device);
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void link_set_state(Link *link, LinkState state);
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void link_check_ready(Link *link);
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void link_update_operstate(Link *link, bool also_update_bond_master);
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int link_update(Link *link, sd_netlink_message *message);
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void link_dirty(Link *link);
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void link_clean(Link *link);
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int link_save(Link *link);
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int link_carrier_reset(Link *link);
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bool link_has_carrier(Link *link);
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int link_ipv6ll_gained(Link *link, const struct in6_addr *address);
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int link_set_mtu(Link *link, uint32_t mtu);
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bool link_ipv4ll_enabled(Link *link, AddressFamily mask);
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int link_stop_clients(Link *link, bool may_keep_dhcp);
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const char* link_state_to_string(LinkState s) _const_;
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LinkState link_state_from_string(const char *s) _pure_;
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uint32_t link_get_vrf_table(Link *link);
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uint32_t link_get_dhcp_route_table(Link *link);
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uint32_t link_get_ipv6_accept_ra_route_table(Link *link);
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int link_request_set_routes(Link *link);
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int link_reconfigure(Link *link, bool force);
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int log_link_message_full_errno(Link *link, sd_netlink_message *m, int level, int err, const char *msg);
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#define log_link_message_error_errno(link, m, err, msg) log_link_message_full_errno(link, m, LOG_ERR, err, msg)
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#define log_link_message_warning_errno(link, m, err, msg) log_link_message_full_errno(link, m, LOG_WARNING, err, msg)
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#define log_link_message_notice_errno(link, m, err, msg) log_link_message_full_errno(link, m, LOG_NOTICE, err, msg)
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#define log_link_message_info_errno(link, m, err, msg) log_link_message_full_errno(link, m, LOG_INFO, err, msg)
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#define log_link_message_debug_errno(link, m, err, msg) log_link_message_full_errno(link, m, LOG_DEBUG, err, msg)
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#define ADDRESS_FMT_VAL(address) \
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be32toh((address).s_addr) >> 24, \
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(be32toh((address).s_addr) >> 16) & 0xFFu, \
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(be32toh((address).s_addr) >> 8) & 0xFFu, \
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be32toh((address).s_addr) & 0xFFu
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