--- /dev/null
+/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
+
+/***
+  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/>.
+***/
+
+#pragma once
+
+#include "networkd.h"
+
+typedef enum LinkState {
+        LINK_STATE_INITIALIZING,
+        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_UNKNOWN,
+        LINK_OPERSTATE_DORMANT,
+        LINK_OPERSTATE_CARRIER,
+        LINK_OPERSTATE_DEGRADED,
+        LINK_OPERSTATE_ROUTABLE,
+        _LINK_OPERSTATE_MAX,
+        _LINK_OPERSTATE_INVALID = -1
+} LinkOperationalState;
+
+struct Link {
+        Manager *manager;
+
+        int n_ref;
+
+        int ifindex;
+        char *ifname;
+        char *state_file;
+        struct ether_addr mac;
+        uint32_t mtu;
+        struct udev_device *udev_device;
+
+        unsigned flags;
+        uint8_t kernel_operstate;
+
+        Network *network;
+
+        LinkState state;
+        LinkOperationalState operstate;
+
+        unsigned addr_messages;
+        unsigned route_messages;
+        unsigned enslaving;
+
+        LIST_HEAD(Address, addresses);
+
+        sd_dhcp_client *dhcp_client;
+        sd_dhcp_lease *dhcp_lease;
+        char *lease_file;
+        uint16_t original_mtu;
+        sd_ipv4ll *ipv4ll;
+
+        LIST_HEAD(Address, pool_addresses);
+
+        sd_dhcp_server *dhcp_server;
+
+        sd_icmp6_nd *icmp6_router_discovery;
+        sd_dhcp6_client *dhcp6_client;
+};
+
+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_rtnl_message *message, Link **ret);
+void link_drop(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_initialized(Link *link, struct udev_device *device);
+
+int link_save(Link *link);
+
+bool link_has_carrier(unsigned flags, uint8_t operstate);
+
+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_full_link(level, link, fmt, ...) log_meta_object(level, __FILE__, __LINE__, __func__, "INTERFACE=", link->ifname, "%-*s: " fmt, IFNAMSIZ, link->ifname, ##__VA_ARGS__)
+#define log_debug_link(link, ...)       log_full_link(LOG_DEBUG, link, ##__VA_ARGS__)
+#define log_info_link(link, ...)        log_full_link(LOG_INFO, link, ##__VA_ARGS__)
+#define log_notice_link(link, ...)      log_full_link(LOG_NOTICE, link, ##__VA_ARGS__)
+#define log_warning_link(link, ...)     log_full_link(LOG_WARNING, link, ##__VA_ARGS__)
+#define log_error_link(link, ...)       log_full_link(LOG_ERR, link, ##__VA_ARGS__)
+
+#define log_struct_link(level, link, ...) 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
 
         LIST_FIELDS(Route, routes);
 };
 
-typedef enum LinkState {
-        LINK_STATE_INITIALIZING,
-        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_UNKNOWN,
-        LINK_OPERSTATE_DORMANT,
-        LINK_OPERSTATE_CARRIER,
-        LINK_OPERSTATE_DEGRADED,
-        LINK_OPERSTATE_ROUTABLE,
-        _LINK_OPERSTATE_MAX,
-        _LINK_OPERSTATE_INVALID = -1
-} LinkOperationalState;
-
-struct Link {
-        Manager *manager;
-
-        int n_ref;
-
-        int ifindex;
-        char *ifname;
-        char *state_file;
-        struct ether_addr mac;
-        uint32_t mtu;
-        struct udev_device *udev_device;
-
-        unsigned flags;
-        uint8_t kernel_operstate;
-
-        Network *network;
-
-        LinkState state;
-        LinkOperationalState operstate;
-
-        unsigned addr_messages;
-        unsigned route_messages;
-        unsigned enslaving;
-
-        LIST_HEAD(Address, addresses);
-
-        sd_dhcp_client *dhcp_client;
-        sd_dhcp_lease *dhcp_lease;
-        char *lease_file;
-        uint16_t original_mtu;
-        sd_ipv4ll *ipv4ll;
-
-        LIST_HEAD(Address, pool_addresses);
-
-        sd_dhcp_server *dhcp_server;
-
-        sd_icmp6_nd *icmp6_router_discovery;
-        sd_dhcp6_client *dhcp6_client;
-};
-
 struct AddressPool {
         Manager *manager;
 
                        const char *section, unsigned section_line, const char *lvalue,
                        int ltype, const char *rvalue, void *data, void *userdata);
 
-/* 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_rtnl_message *message, Link **ret);
-void link_drop(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_initialized(Link *link, struct udev_device *device);
-
-int link_save(Link *link);
-
-bool link_has_carrier(unsigned flags, uint8_t operstate);
-
-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)
-
 /* DHCP support */
 
 const char* dhcp_support_to_string(DHCPSupport i) _const_;