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267 lines
8.2 KiB
C
267 lines
8.2 KiB
C
/* SPDX-License-Identifier: LGPL-2.1-or-later */
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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-ipv4acd.h"
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#include "sd-ipv4ll.h"
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#include "sd-lldp-rx.h"
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#include "sd-lldp-tx.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 "ether-addr-util.h"
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#include "log-link.h"
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#include "netif-util.h"
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#include "network-util.h"
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#include "networkd-bridge-vlan.h"
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#include "networkd-ipv6ll.h"
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#include "networkd-util.h"
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#include "ordered-set.h"
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#include "ratelimit.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 = -EINVAL,
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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 NetDev NetDev;
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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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int dsa_master_ifindex;
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int sr_iov_phys_port_ifindex;
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Set *sr_iov_virt_port_ifindices;
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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 hw_addr_data hw_addr;
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struct hw_addr_data bcast_addr;
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struct hw_addr_data permanent_hw_addr;
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struct hw_addr_data requested_hw_addr;
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struct in6_addr ipv6ll_address;
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uint32_t mtu;
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uint32_t min_mtu;
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uint32_t max_mtu;
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uint32_t original_mtu;
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sd_device *dev;
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char *driver;
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/* bridge vlan */
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uint16_t bridge_vlan_pvid;
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bool bridge_vlan_pvid_is_untagged;
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uint32_t bridge_vlan_bitmap[BRIDGE_VLAN_BITMAP_LEN];
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/* to prevent multiple ethtool calls */
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bool ethtool_driver_read;
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bool ethtool_permanent_hw_addr_read;
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/* link-local addressing */
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IPv6LinkLocalAddressGenMode ipv6ll_address_gen_mode;
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/* wlan */
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enum nl80211_iftype wlan_iftype;
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char *ssid;
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char *previous_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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sd_event_source *carrier_lost_timer;
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Network *network;
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NetDev *netdev;
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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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LinkAddressState ipv4_address_state;
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LinkAddressState ipv6_address_state;
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LinkOnlineState online_state;
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RateLimit automatic_reconfigure_ratelimit;
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unsigned static_address_messages;
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unsigned static_address_label_messages;
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unsigned static_bridge_fdb_messages;
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unsigned static_bridge_mdb_messages;
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unsigned static_ipv6_proxy_ndp_messages;
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unsigned static_neighbor_messages;
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unsigned static_nexthop_messages;
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unsigned static_route_messages;
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unsigned static_routing_policy_rule_messages;
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unsigned tc_messages;
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unsigned sr_iov_messages;
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unsigned set_link_messages;
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unsigned set_flags_messages;
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unsigned create_stacked_netdev_messages;
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Set *addresses;
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Set *neighbors;
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Set *qdiscs;
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Set *tclasses;
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sd_dhcp_client *dhcp_client;
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sd_dhcp_lease *dhcp_lease;
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char *lease_file;
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unsigned dhcp4_messages;
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bool dhcp4_configured;
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char *dhcp4_6rd_tunnel_name;
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Hashmap *ipv4acd_by_address;
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sd_ipv4ll *ipv4ll;
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bool ipv4ll_address_configured:1;
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bool static_addresses_configured:1;
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bool static_address_labels_configured:1;
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bool static_bridge_fdb_configured:1;
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bool static_bridge_mdb_configured:1;
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bool static_ipv6_proxy_ndp_configured:1;
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bool static_neighbors_configured:1;
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bool static_nexthops_configured:1;
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bool static_routes_configured:1;
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bool static_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 activated:1;
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bool master_set:1;
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bool stacked_netdevs_created:1;
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bool bridge_vlan_set:1;
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sd_dhcp_server *dhcp_server;
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sd_ndisc *ndisc;
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sd_ndisc_router *ndisc_default_router;
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sd_event_source *ndisc_expire;
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Set *ndisc_rdnss;
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Set *ndisc_dnssl;
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Set *ndisc_captive_portals;
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Set *ndisc_pref64;
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Set *ndisc_redirects;
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uint32_t ndisc_mtu;
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unsigned ndisc_messages;
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bool ndisc_configured:1;
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sd_radv *radv;
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sd_dhcp6_client *dhcp6_client;
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sd_dhcp6_lease *dhcp6_lease;
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unsigned dhcp6_messages;
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bool dhcp6_configured;
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Set *dhcp_pd_prefixes;
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unsigned dhcp_pd_messages;
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bool dhcp_pd_configured;
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/* This is about LLDP reception */
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sd_lldp_rx *lldp_rx;
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/* This is about LLDP transmission */
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sd_lldp_tx *lldp_tx;
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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_full **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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bool link_is_ready_to_configure(Link *link, bool allow_unmanaged);
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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_by_index(Manager *m, int ifindex, Link **ret);
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int link_get_by_name(Manager *m, const char *ifname, Link **ret);
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int link_get_by_hw_addr(Manager *m, const struct hw_addr_data *hw_addr, Link **ret);
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int link_get_master(Link *link, Link **ret);
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int link_getlink_handler_internal(sd_netlink *rtnl, sd_netlink_message *m, Link *link, const char *error_msg);
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int link_call_getlink(Link *link, link_netlink_message_handler_t callback);
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int link_handle_bound_to_list(Link *link);
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void link_enter_failed(Link *link);
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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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static inline bool link_has_carrier(Link *link) {
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assert(link);
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return netif_has_carrier(link->kernel_operstate, link->flags);
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}
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bool link_ipv6_enabled(Link *link);
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int link_ipv6ll_gained(Link *link);
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bool link_has_ipv6_connectivity(Link *link);
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int link_stop_engines(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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int link_reconfigure_impl(Link *link, bool force);
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int link_reconfigure(Link *link, bool force);
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int link_reconfigure_on_bus_method_reload(Link *link, sd_bus_message *message);
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int manager_udev_process_link(Manager *m, sd_device *device, sd_device_action_t action);
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int manager_rtnl_process_link(sd_netlink *rtnl, sd_netlink_message *message, Manager *m);
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int link_flags_to_string_alloc(uint32_t flags, char **ret);
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const char *kernel_operstate_to_string(int t) _const_;
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void link_required_operstate_for_online(Link *link, LinkOperationalStateRange *ret);
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AddressFamily link_required_family_for_online(Link *link);
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