| #pragma once |
| |
| /*** |
| This file is part of systemd. |
| |
| Copyright 2013 Tom Gundersen <teg@jklm.no> |
| |
| 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 <http://www.gnu.org/licenses/>. |
| ***/ |
| |
| #include <endian.h> |
| |
| #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-radv.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; |
| char *kind; |
| 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; |
| Set *ndisc_rdnss; |
| Set *ndisc_dnssl; |
| |
| sd_radv *radv; |
| |
| 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_emit_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_up(Link *link); |
| int link_down(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 ipv4ll_configure(Link *link); |
| int dhcp4_configure(Link *link); |
| int dhcp6_configure(Link *link); |
| int dhcp6_request_address(Link *link, int ir); |
| |
| 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, ...) \ |
| ({ \ |
| const Link *_l = (link); \ |
| _l ? log_object_internal(level, error, __FILE__, __LINE__, __func__, "INTERFACE=", _l->ifname, NULL, NULL, ##__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 |