8434fd5cf2
This is the state when we are waiting for udev to initialize the device, and waiting for libudev and rtnl to be in sync. In the future we probably will also be waiting for nl80211. At this point we do not yet have enough information to know whether or not networkd should be handling the device.
149 lines
4.7 KiB
C
149 lines
4.7 KiB
C
/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
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/***
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This file is part of systemd.
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Copyright 2013 Tom Gundersen <teg@jklm.no>
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systemd is free software; you can redistribute it and/or modify it
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under the terms of the GNU Lesser General Public License as published by
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the Free Software Foundation; either version 2.1 of the License, or
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(at your option) any later version.
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systemd is distributed in the hope that it will be useful, but
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WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public License
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along with systemd; If not, see <http://www.gnu.org/licenses/>.
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***/
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#pragma once
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#include "networkd.h"
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typedef enum LinkState {
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LINK_STATE_PENDING,
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LINK_STATE_ENSLAVING,
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LINK_STATE_SETTING_ADDRESSES,
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LINK_STATE_SETTING_ROUTES,
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LINK_STATE_CONFIGURED,
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LINK_STATE_UNMANAGED,
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LINK_STATE_FAILED,
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LINK_STATE_LINGER,
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_LINK_STATE_MAX,
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_LINK_STATE_INVALID = -1
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} LinkState;
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typedef enum LinkOperationalState {
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LINK_OPERSTATE_DOWN,
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LINK_OPERSTATE_UP,
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LINK_OPERSTATE_DORMANT,
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LINK_OPERSTATE_CARRIER,
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LINK_OPERSTATE_DEGRADED,
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LINK_OPERSTATE_ROUTABLE,
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_LINK_OPERSTATE_MAX,
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_LINK_OPERSTATE_INVALID = -1
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} LinkOperationalState;
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struct Link {
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Manager *manager;
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int n_ref;
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int ifindex;
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char *ifname;
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char *state_file;
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struct ether_addr mac;
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uint32_t mtu;
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struct udev_device *udev_device;
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unsigned flags;
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uint8_t kernel_operstate;
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Network *network;
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LinkState state;
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LinkOperationalState operstate;
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unsigned link_messages;
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unsigned enslaving;
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LIST_HEAD(Address, addresses);
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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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uint16_t original_mtu;
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unsigned dhcp4_messages;
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bool dhcp4_configured;
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sd_ipv4ll *ipv4ll;
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bool ipv4ll_address;
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bool ipv4ll_route;
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bool static_configured;
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LIST_HEAD(Address, pool_addresses);
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sd_dhcp_server *dhcp_server;
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sd_icmp6_nd *icmp6_router_discovery;
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sd_dhcp6_client *dhcp6_client;
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};
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Link *link_unref(Link *link);
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Link *link_ref(Link *link);
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int link_get(Manager *m, int ifindex, Link **ret);
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int link_add(Manager *manager, sd_rtnl_message *message, Link **ret);
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void link_drop(Link *link);
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int link_get_address_handler(sd_rtnl *rtnl, sd_rtnl_message *m, void *userdata);
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int link_address_drop_handler(sd_rtnl *rtnl, sd_rtnl_message *m, void *userdata);
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int link_route_drop_handler(sd_rtnl *rtnl, sd_rtnl_message *m, void *userdata);
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void link_enter_failed(Link *link);
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int link_initialized(Link *link, struct udev_device *device);
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void link_client_handler(Link *link);
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int link_update(Link *link, sd_rtnl_message *message);
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int link_rtnl_process_address(sd_rtnl *rtnl, sd_rtnl_message *message, void *userdata);
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int link_save(Link *link);
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bool link_has_carrier(unsigned flags, uint8_t operstate);
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int link_set_mtu(Link *link, uint32_t mtu);
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int link_set_hostname(Link *link, const char *hostname);
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int ipv4ll_configure(Link *link);
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int dhcp4_configure(Link *link);
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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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const char* link_operstate_to_string(LinkOperationalState s) _const_;
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LinkOperationalState link_operstate_from_string(const char *s) _pure_;
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DEFINE_TRIVIAL_CLEANUP_FUNC(Link*, link_unref);
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#define _cleanup_link_unref_ _cleanup_(link_unrefp)
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/* Macros which append INTERFACE= to the message */
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#define log_full_link(level, link, fmt, ...) log_meta_object(level, __FILE__, __LINE__, __func__, "INTERFACE=", link->ifname, "%-*s: " fmt, IFNAMSIZ, link->ifname, ##__VA_ARGS__)
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#define log_debug_link(link, ...) log_full_link(LOG_DEBUG, link, ##__VA_ARGS__)
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#define log_info_link(link, ...) log_full_link(LOG_INFO, link, ##__VA_ARGS__)
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#define log_notice_link(link, ...) log_full_link(LOG_NOTICE, link, ##__VA_ARGS__)
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#define log_warning_link(link, ...) log_full_link(LOG_WARNING, link, ##__VA_ARGS__)
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#define log_error_link(link, ...) log_full_link(LOG_ERR, link, ##__VA_ARGS__)
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#define log_struct_link(level, link, ...) log_struct(level, "INTERFACE=%s", link->ifname, __VA_ARGS__)
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#define ADDRESS_FMT_VAL(address) \
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(address).s_addr & 0xFF, \
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((address).s_addr >> 8) & 0xFF, \
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((address).s_addr >> 16) & 0xFF, \
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(address).s_addr >> 24
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