Adding upstream version 255.4.upstream/255.4

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 253 insertions, 0 deletions

diff --git a/src/network/networkd-link.h b/src/network/networkd-link.h
new file mode 100644
index 0000000..938bbf4
--- /dev/null
+++ b/src/network/networkd-link.h
@@ -0,0 +1,253 @@
+/* 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_;