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-rw-r--r--src/grp-network/libnetworkd-core/networkd-link.h213
1 files changed, 213 insertions, 0 deletions
diff --git a/src/grp-network/libnetworkd-core/networkd-link.h b/src/grp-network/libnetworkd-core/networkd-link.h
new file mode 100644
index 0000000000..64482e9914
--- /dev/null
+++ b/src/grp-network/libnetworkd-core/networkd-link.h
@@ -0,0 +1,213 @@
+#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 <systemd/sd-bus.h>
+
+#include "systemd-basic/list.h"
+#include "systemd-basic/set.h"
+#include "systemd-network/sd-dhcp-client.h"
+#include "systemd-network/sd-dhcp-server.h"
+#include "systemd-network/sd-dhcp6-client.h"
+#include "systemd-network/sd-ipv4ll.h"
+#include "systemd-network/sd-lldp.h"
+#include "systemd-network/sd-ndisc.h"
+#include "systemd-staging/sd-netlink.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_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_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 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
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