#pragma once /*** This file is part of systemd. Copyright 2013 Tom Gundersen systemd is free software; you can redistribute it and/or modify it under the terms of the GNU Lesser General Public License as published by the Free Software Foundation; either version 2.1 of the License, or (at your option) any later version. systemd is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details. You should have received a copy of the GNU Lesser General Public License along with systemd; If not, see . ***/ #include #include "sd-bus.h" #include "sd-dhcp-client.h" #include "sd-dhcp-server.h" #include "sd-dhcp6-client.h" #include "sd-ipv4ll.h" #include "sd-lldp.h" #include "sd-ndisc.h" #include "sd-netlink.h" #include "list.h" #include "set.h" typedef enum LinkState { LINK_STATE_PENDING, LINK_STATE_ENSLAVING, LINK_STATE_SETTING_ADDRESSES, LINK_STATE_SETTING_ROUTES, LINK_STATE_CONFIGURED, LINK_STATE_UNMANAGED, LINK_STATE_FAILED, LINK_STATE_LINGER, _LINK_STATE_MAX, _LINK_STATE_INVALID = -1 } LinkState; typedef enum LinkOperationalState { LINK_OPERSTATE_OFF, LINK_OPERSTATE_NO_CARRIER, LINK_OPERSTATE_DORMANT, LINK_OPERSTATE_CARRIER, LINK_OPERSTATE_DEGRADED, LINK_OPERSTATE_ROUTABLE, _LINK_OPERSTATE_MAX, _LINK_OPERSTATE_INVALID = -1 } LinkOperationalState; typedef struct Manager Manager; typedef struct Network Network; typedef struct Address Address; typedef struct Link { Manager *manager; int n_ref; int ifindex; char *ifname; unsigned short iftype; char *state_file; struct ether_addr mac; struct in6_addr ipv6ll_address; uint32_t mtu; struct udev_device *udev_device; unsigned flags; uint8_t kernel_operstate; Network *network; LinkState state; LinkOperationalState operstate; unsigned link_messages; unsigned enslaving; Set *addresses; Set *addresses_foreign; Set *routes; Set *routes_foreign; sd_dhcp_client *dhcp_client; sd_dhcp_lease *dhcp_lease; char *lease_file; uint16_t original_mtu; unsigned dhcp4_messages; bool dhcp4_configured; bool dhcp6_configured; unsigned ndisc_messages; bool ndisc_configured; sd_ipv4ll *ipv4ll; bool ipv4ll_address:1; bool ipv4ll_route:1; bool static_configured; LIST_HEAD(Address, pool_addresses); sd_dhcp_server *dhcp_server; sd_ndisc *ndisc_router_discovery; sd_dhcp6_client *dhcp6_client; bool rtnl_extended_attrs; /* This is about LLDP reception */ sd_lldp *lldp; char *lldp_file; /* This is about LLDP transmission */ unsigned lldp_tx_fast; /* The LLDP txFast counter (See 802.1ab-2009, section 9.2.5.18) */ sd_event_source *lldp_tx_event_source; Hashmap *bound_by_links; Hashmap *bound_to_links; } Link; Link *link_unref(Link *link); Link *link_ref(Link *link); int link_get(Manager *m, int ifindex, Link **ret); int link_add(Manager *manager, sd_netlink_message *message, Link **ret); void link_drop(Link *link); int link_address_remove_handler(sd_netlink *rtnl, sd_netlink_message *m, void *userdata); int link_route_remove_handler(sd_netlink *rtnl, sd_netlink_message *m, void *userdata); void link_enter_failed(Link *link); int link_initialized(Link *link, struct udev_device *device); void link_check_ready(Link *link); void link_update_operstate(Link *link); int link_update(Link *link, sd_netlink_message *message); void link_dirty(Link *link); void link_clean(Link *link); int link_save(Link *link); int link_carrier_reset(Link *link); bool link_has_carrier(Link *link); int link_ipv6ll_gained(Link *link, const struct in6_addr *address); int link_set_mtu(Link *link, uint32_t mtu); int link_set_hostname(Link *link, const char *hostname); int link_set_timezone(Link *link, const char *timezone); int ipv4ll_configure(Link *link); int dhcp4_configure(Link *link); int dhcp6_configure(Link *link); int dhcp6_request_address(Link *link); int ndisc_configure(Link *link); const char* link_state_to_string(LinkState s) _const_; LinkState link_state_from_string(const char *s) _pure_; const char* link_operstate_to_string(LinkOperationalState s) _const_; LinkOperationalState link_operstate_from_string(const char *s) _pure_; extern const sd_bus_vtable link_vtable[]; int link_node_enumerator(sd_bus *bus, const char *path, void *userdata, char ***nodes, sd_bus_error *error); int link_object_find(sd_bus *bus, const char *path, const char *interface, void *userdata, void **found, sd_bus_error *error); int link_send_changed(Link *link, const char *property, ...) _sentinel_; DEFINE_TRIVIAL_CLEANUP_FUNC(Link*, link_unref); #define _cleanup_link_unref_ _cleanup_(link_unrefp) /* Macros which append INTERFACE= to the message */ #define log_link_full(link, level, error, ...) \ ({ \ Link *_l = (link); \ _l ? log_object_internal(level, error, __FILE__, __LINE__, __func__, "INTERFACE=", _l->ifname, ##__VA_ARGS__) : \ log_internal(level, error, __FILE__, __LINE__, __func__, ##__VA_ARGS__); \ }) \ #define log_link_debug(link, ...) log_link_full(link, LOG_DEBUG, 0, ##__VA_ARGS__) #define log_link_info(link, ...) log_link_full(link, LOG_INFO, 0, ##__VA_ARGS__) #define log_link_notice(link, ...) log_link_full(link, LOG_NOTICE, 0, ##__VA_ARGS__) #define log_link_warning(link, ...) log_link_full(link, LOG_WARNING, 0, ##__VA_ARGS__) #define log_link_error(link, ...) log_link_full(link, LOG_ERR, 0, ##__VA_ARGS__) #define log_link_debug_errno(link, error, ...) log_link_full(link, LOG_DEBUG, error, ##__VA_ARGS__) #define log_link_info_errno(link, error, ...) log_link_full(link, LOG_INFO, error, ##__VA_ARGS__) #define log_link_notice_errno(link, error, ...) log_link_full(link, LOG_NOTICE, error, ##__VA_ARGS__) #define log_link_warning_errno(link, error, ...) log_link_full(link, LOG_WARNING, error, ##__VA_ARGS__) #define log_link_error_errno(link, error, ...) log_link_full(link, LOG_ERR, error, ##__VA_ARGS__) #define LOG_LINK_MESSAGE(link, fmt, ...) "MESSAGE=%s: " fmt, (link)->ifname, ##__VA_ARGS__ #define LOG_LINK_INTERFACE(link) "INTERFACE=%s", (link)->ifname #define ADDRESS_FMT_VAL(address) \ be32toh((address).s_addr) >> 24, \ (be32toh((address).s_addr) >> 16) & 0xFFu, \ (be32toh((address).s_addr) >> 8) & 0xFFu, \ be32toh((address).s_addr) & 0xFFu