/*
- * Copyright (c) 2009 Nicira Networks.
+ * Copyright (c) 2009, 2015 Nicira, Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* limitations under the License.
*/
-#ifndef RTNETLINK_H
-#define RTNETLINK_H 1
+#ifndef RTNETLINK_LINK_H
+#define RTNETLINK_LINK_H 1
+
+#include <stdbool.h>
+#include <stdint.h>
+#include <linux/if_ether.h>
+
+#include "openvswitch/types.h"
+
+struct ofpbuf;
+struct nln_notifier;
/* These functions are Linux specific, so they should be used directly only by
* Linux-specific code. */
-#include "list.h"
-
-/* A digested version of an rtnetlink message sent down by the kernel to
- * indicate that a network device has been created or destroyed or changed. */
+/* A digested version of an rtnetlink_link message sent down by the kernel to
+ * indicate that a network device's status (link or address) has been changed.
+ */
struct rtnetlink_change {
/* Copied from struct nlmsghdr. */
int nlmsg_type; /* e.g. RTM_NEWLINK, RTM_DELLINK. */
- /* Copied from struct ifinfomsg. */
- int ifi_index; /* Index of network device. */
-
- /* Extracted from Netlink attributes. */
+ /* Common attributes. */
+ int if_index; /* Index of network device. */
const char *ifname; /* Name of network device. */
+
+ /* Network device link status. */
int master_ifindex; /* Ifindex of datapath master (0 if none). */
+ int mtu; /* Current MTU. */
+ struct eth_addr mac;
+ unsigned int ifi_flags; /* Flags of network device. */
+
+ /* Network device address status. */
+ /* xxx To be added when needed. */
};
/* Function called to report that a netdev has changed. 'change' describes the
* specific change. It may be null if the buffer of change information
* overflowed, in which case the function must assume that every device may
* have changed. 'aux' is as specified in the call to
- * lxnetdev_notifier_register(). */
-typedef void rtnetlink_notify_func(const struct rtnetlink_change *, void *aux);
-
-struct rtnetlink_notifier {
- struct list node;
- rtnetlink_notify_func *cb;
- void *aux;
-};
-
-int rtnetlink_notifier_register(struct rtnetlink_notifier *,
- rtnetlink_notify_func *, void *aux);
-void rtnetlink_notifier_unregister(struct rtnetlink_notifier *);
-void rtnetlink_notifier_run(void);
-void rtnetlink_notifier_wait(void);
+ * rtnetlink_notifier_register(). */
+typedef
+void rtnetlink_notify_func(const struct rtnetlink_change *change,
+ void *aux);
+bool rtnetlink_type_is_rtnlgrp_link(uint16_t type);
+bool rtnetlink_type_is_rtnlgrp_addr(uint16_t type);
+bool rtnetlink_parse(struct ofpbuf *buf, struct rtnetlink_change *change);
+struct nln_notifier *
+rtnetlink_notifier_create(rtnetlink_notify_func *, void *aux);
+void rtnetlink_notifier_destroy(struct nln_notifier *);
+void rtnetlink_run(void);
+void rtnetlink_wait(void);
#endif /* rtnetlink.h */