networkd-link.h revision 5c79bd79839f1e50bd3c34a0670037f7965ca5a4
248N/A/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
248N/A
248N/A/***
248N/A This file is part of systemd.
248N/A
248N/A Copyright 2013 Tom Gundersen <teg@jklm.no>
248N/A
248N/A systemd is free software; you can redistribute it and/or modify it
248N/A under the terms of the GNU Lesser General Public License as published by
248N/A the Free Software Foundation; either version 2.1 of the License, or
248N/A (at your option) any later version.
248N/A
248N/A systemd is distributed in the hope that it will be useful, but
248N/A WITHOUT ANY WARRANTY; without even the implied warranty of
248N/A MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
248N/A Lesser General Public License for more details.
248N/A
248N/A You should have received a copy of the GNU Lesser General Public License
248N/A along with systemd; If not, see <http://www.gnu.org/licenses/>.
248N/A***/
248N/A
248N/A#pragma once
3768N/A
248N/A#include "networkd.h"
248N/A
814N/Atypedef enum LinkState {
814N/A LINK_STATE_PENDING,
1780N/A LINK_STATE_ENSLAVING,
814N/A LINK_STATE_SETTING_ADDRESSES,
248N/A LINK_STATE_SETTING_ROUTES,
248N/A LINK_STATE_CONFIGURED,
248N/A LINK_STATE_UNMANAGED,
248N/A LINK_STATE_FAILED,
248N/A LINK_STATE_LINGER,
248N/A _LINK_STATE_MAX,
248N/A _LINK_STATE_INVALID = -1
844N/A} LinkState;
844N/A
248N/Atypedef enum LinkOperationalState {
1258N/A LINK_OPERSTATE_OFF,
248N/A LINK_OPERSTATE_NO_CARRIER,
2899N/A LINK_OPERSTATE_DORMANT,
2899N/A LINK_OPERSTATE_CARRIER,
3817N/A LINK_OPERSTATE_DEGRADED,
3817N/A LINK_OPERSTATE_ROUTABLE,
3817N/A _LINK_OPERSTATE_MAX,
248N/A _LINK_OPERSTATE_INVALID = -1
248N/A} LinkOperationalState;
248N/A
248N/Astruct Link {
4086N/A Manager *manager;
248N/A
248N/A int n_ref;
4086N/A
248N/A int ifindex;
248N/A char *ifname;
4086N/A char *state_file;
248N/A struct ether_addr mac;
248N/A uint32_t mtu;
248N/A struct udev_device *udev_device;
248N/A
248N/A unsigned flags;
2465N/A uint8_t kernel_operstate;
4963N/A
4963N/A Network *network;
4963N/A
248N/A LinkState state;
248N/A LinkOperationalState operstate;
3768N/A
248N/A unsigned link_messages;
248N/A unsigned enslaving;
2465N/A
248N/A LIST_HEAD(Address, addresses);
248N/A
248N/A sd_dhcp_client *dhcp_client;
248N/A sd_dhcp_lease *dhcp_lease;
248N/A char *lease_file;
2375N/A uint16_t original_mtu;
248N/A unsigned dhcp4_messages;
248N/A bool dhcp4_configured;
3477N/A
3477N/A sd_ipv4ll *ipv4ll;
2465N/A bool ipv4ll_address;
248N/A bool ipv4ll_route;
2465N/A
248N/A bool static_configured;
248N/A
248N/A LIST_HEAD(Address, pool_addresses);
4337N/A
4337N/A sd_dhcp_server *dhcp_server;
3817N/A
3817N/A sd_icmp6_nd *icmp6_router_discovery;
3817N/A sd_dhcp6_client *dhcp6_client;
3817N/A};
3817N/A
3817N/ALink *link_unref(Link *link);
3817N/ALink *link_ref(Link *link);
int link_get(Manager *m, int ifindex, Link **ret);
int link_add(Manager *manager, sd_rtnl_message *message, Link **ret);
void link_drop(Link *link);
int link_address_drop_handler(sd_rtnl *rtnl, sd_rtnl_message *m, void *userdata);
int link_route_drop_handler(sd_rtnl *rtnl, sd_rtnl_message *m, void *userdata);
void link_enter_failed(Link *link);
int link_initialized(Link *link, struct udev_device *device);
void link_client_handler(Link *link);
int link_update(Link *link, sd_rtnl_message *message);
int link_rtnl_process_address(sd_rtnl *rtnl, sd_rtnl_message *message, void *userdata);
int link_save(Link *link);
bool link_has_carrier(Link *link);
int link_set_mtu(Link *link, uint32_t mtu);
int link_set_hostname(Link *link, const char *hostname);
int ipv4ll_configure(Link *link);
int dhcp4_configure(Link *link);
int icmp6_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_;
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, fmt, ...) \
log_object_internal(level, error, __FILE__, __LINE__, __func__, "INTERFACE=", link->ifname, "%-*s: " fmt, IFNAMSIZ, link->ifname, ##__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_struct(link, level, ...) log_struct(level, "INTERFACE=%s", link->ifname, __VA_ARGS__)
#define ADDRESS_FMT_VAL(address) \
(address).s_addr & 0xFF, \
((address).s_addr >> 8) & 0xFF, \
((address).s_addr >> 16) & 0xFF, \
(address).s_addr >> 24