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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-10 20:49:52 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-10 20:49:52 +0000
commit55944e5e40b1be2afc4855d8d2baf4b73d1876b5 (patch)
tree33f869f55a1b149e9b7c2b7e201867ca5dd52992 /src/network/networkd-link.h
parentInitial commit. (diff)
downloadsystemd-55944e5e40b1be2afc4855d8d2baf4b73d1876b5.tar.xz
systemd-55944e5e40b1be2afc4855d8d2baf4b73d1876b5.zip
Adding upstream version 255.4.upstream/255.4
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'src/network/networkd-link.h')
-rw-r--r--src/network/networkd-link.h253
1 files changed, 253 insertions, 0 deletions
diff --git a/src/network/networkd-link.h b/src/network/networkd-link.h
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+/* SPDX-License-Identifier: LGPL-2.1-or-later */
+#pragma once
+
+#include <endian.h>
+#include <linux/nl80211.h>
+
+#include "sd-bus.h"
+#include "sd-device.h"
+#include "sd-dhcp-client.h"
+#include "sd-dhcp-server.h"
+#include "sd-dhcp6-client.h"
+#include "sd-ipv4acd.h"
+#include "sd-ipv4ll.h"
+#include "sd-lldp-rx.h"
+#include "sd-lldp-tx.h"
+#include "sd-ndisc.h"
+#include "sd-radv.h"
+#include "sd-netlink.h"
+
+#include "ether-addr-util.h"
+#include "log-link.h"
+#include "netif-util.h"
+#include "network-util.h"
+#include "networkd-ipv6ll.h"
+#include "networkd-util.h"
+#include "ordered-set.h"
+#include "resolve-util.h"
+#include "set.h"
+
+typedef enum LinkState {
+ LINK_STATE_PENDING, /* udev has not initialized the link */
+ LINK_STATE_INITIALIZED, /* udev has initialized the link */
+ LINK_STATE_CONFIGURING, /* configuring addresses, routes, etc. */
+ LINK_STATE_CONFIGURED, /* everything is configured */
+ LINK_STATE_UNMANAGED, /* Unmanaged=yes is set */
+ LINK_STATE_FAILED, /* at least one configuration process failed */
+ LINK_STATE_LINGER, /* RTM_DELLINK for the link has been received */
+ _LINK_STATE_MAX,
+ _LINK_STATE_INVALID = -EINVAL,
+} LinkState;
+
+typedef struct Manager Manager;
+typedef struct Network Network;
+typedef struct NetDev NetDev;
+typedef struct DUID DUID;
+
+typedef struct Link {
+ Manager *manager;
+
+ unsigned n_ref;
+
+ int ifindex;
+ int master_ifindex;
+ int dsa_master_ifindex;
+ int sr_iov_phys_port_ifindex;
+ Set *sr_iov_virt_port_ifindices;
+
+ char *ifname;
+ char **alternative_names;
+ char *kind;
+ unsigned short iftype;
+ char *state_file;
+ struct hw_addr_data hw_addr;
+ struct hw_addr_data bcast_addr;
+ struct hw_addr_data permanent_hw_addr;
+ struct hw_addr_data requested_hw_addr;
+ struct in6_addr ipv6ll_address;
+ uint32_t mtu;
+ uint32_t min_mtu;
+ uint32_t max_mtu;
+ uint32_t original_mtu;
+ sd_device *dev;
+ char *driver;
+
+ /* to prevent multiple ethtool calls */
+ bool ethtool_driver_read;
+ bool ethtool_permanent_hw_addr_read;
+
+ /* link-local addressing */
+ IPv6LinkLocalAddressGenMode ipv6ll_address_gen_mode;
+
+ /* wlan */
+ enum nl80211_iftype wlan_iftype;
+ char *ssid;
+ char *previous_ssid;
+ struct ether_addr bssid;
+
+ unsigned flags;
+ uint8_t kernel_operstate;
+
+ sd_event_source *carrier_lost_timer;
+
+ Network *network;
+ NetDev *netdev;
+
+ LinkState state;
+ LinkOperationalState operstate;
+ LinkCarrierState carrier_state;
+ LinkAddressState address_state;
+ LinkAddressState ipv4_address_state;
+ LinkAddressState ipv6_address_state;
+ LinkOnlineState online_state;
+
+ unsigned static_address_messages;
+ unsigned static_address_label_messages;
+ unsigned static_bridge_fdb_messages;
+ unsigned static_bridge_mdb_messages;
+ unsigned static_ipv6_proxy_ndp_messages;
+ unsigned static_neighbor_messages;
+ unsigned static_nexthop_messages;
+ unsigned static_route_messages;
+ unsigned static_routing_policy_rule_messages;
+ unsigned tc_messages;
+ unsigned sr_iov_messages;
+ unsigned set_link_messages;
+ unsigned set_flags_messages;
+ unsigned create_stacked_netdev_messages;
+
+ Set *addresses;
+ Set *neighbors;
+ Set *routes;
+ Set *nexthops;
+ Set *qdiscs;
+ Set *tclasses;
+
+ sd_dhcp_client *dhcp_client;
+ sd_dhcp_lease *dhcp_lease;
+ char *lease_file;
+ unsigned dhcp4_messages;
+ bool dhcp4_configured;
+ char *dhcp4_6rd_tunnel_name;
+
+ Hashmap *ipv4acd_by_address;
+
+ sd_ipv4ll *ipv4ll;
+ bool ipv4ll_address_configured:1;
+
+ bool static_addresses_configured:1;
+ bool static_address_labels_configured:1;
+ bool static_bridge_fdb_configured:1;
+ bool static_bridge_mdb_configured:1;
+ bool static_ipv6_proxy_ndp_configured:1;
+ bool static_neighbors_configured:1;
+ bool static_nexthops_configured:1;
+ bool static_routes_configured:1;
+ bool static_routing_policy_rules_configured:1;
+ bool tc_configured:1;
+ bool sr_iov_configured:1;
+ bool activated:1;
+ bool master_set:1;
+ bool stacked_netdevs_created:1;
+
+ sd_dhcp_server *dhcp_server;
+
+ sd_ndisc *ndisc;
+ sd_event_source *ndisc_expire;
+ Set *ndisc_rdnss;
+ Set *ndisc_dnssl;
+ Set *ndisc_captive_portals;
+ Set *ndisc_pref64;
+ unsigned ndisc_messages;
+ bool ndisc_configured:1;
+
+ sd_radv *radv;
+
+ sd_dhcp6_client *dhcp6_client;
+ sd_dhcp6_lease *dhcp6_lease;
+ unsigned dhcp6_messages;
+ bool dhcp6_configured;
+
+ Set *dhcp_pd_prefixes;
+ unsigned dhcp_pd_messages;
+ bool dhcp_pd_configured;
+
+ /* This is about LLDP reception */
+ sd_lldp_rx *lldp_rx;
+ char *lldp_file;
+
+ /* This is about LLDP transmission */
+ sd_lldp_tx *lldp_tx;
+
+ Hashmap *bound_by_links;
+ Hashmap *bound_to_links;
+ Set *slaves;
+
+ /* For speed meter */
+ struct rtnl_link_stats64 stats_old, stats_new;
+ bool stats_updated;
+
+ /* All kinds of DNS configuration the user configured via D-Bus */
+ 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;
+
+ /* Similar, but NTP server configuration */
+ char **ntp;
+} Link;
+
+typedef int (*link_netlink_message_handler_t)(sd_netlink*, sd_netlink_message*, Link*);
+
+bool link_is_ready_to_configure(Link *link, bool allow_unmanaged);
+
+void link_ntp_settings_clear(Link *link);
+void link_dns_settings_clear(Link *link);
+Link *link_unref(Link *link);
+Link *link_ref(Link *link);
+DEFINE_TRIVIAL_CLEANUP_FUNC(Link*, link_unref);
+DEFINE_TRIVIAL_DESTRUCTOR(link_netlink_destroy_callback, Link, link_unref);
+
+int link_get_by_index(Manager *m, int ifindex, Link **ret);
+int link_get_by_name(Manager *m, const char *ifname, Link **ret);
+int link_get_by_hw_addr(Manager *m, const struct hw_addr_data *hw_addr, Link **ret);
+int link_get_master(Link *link, Link **ret);
+
+int link_getlink_handler_internal(sd_netlink *rtnl, sd_netlink_message *m, Link *link, const char *error_msg);
+int link_call_getlink(Link *link, link_netlink_message_handler_t callback);
+int link_handle_bound_to_list(Link *link);
+
+void link_enter_failed(Link *link);
+void link_set_state(Link *link, LinkState state);
+void link_check_ready(Link *link);
+
+void link_update_operstate(Link *link, bool also_update_bond_master);
+
+static inline bool link_has_carrier(Link *link) {
+ assert(link);
+ return netif_has_carrier(link->kernel_operstate, link->flags);
+}
+
+bool link_ipv6_enabled(Link *link);
+int link_ipv6ll_gained(Link *link);
+bool link_has_ipv6_connectivity(Link *link);
+
+int link_stop_engines(Link *link, bool may_keep_dhcp);
+
+const char* link_state_to_string(LinkState s) _const_;
+LinkState link_state_from_string(const char *s) _pure_;
+
+int link_reconfigure_impl(Link *link, bool force);
+int link_reconfigure(Link *link, bool force);
+
+int manager_udev_process_link(Manager *m, sd_device *device, sd_device_action_t action);
+int manager_rtnl_process_link(sd_netlink *rtnl, sd_netlink_message *message, Manager *m);
+
+int link_flags_to_string_alloc(uint32_t flags, char **ret);
+const char *kernel_operstate_to_string(int t) _const_;