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rtnetlink: Remove LINK specific messages from rtnetlink

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Abstracted rtnetlink so that it may be used for messages other than
RTM LINK messages.  Created a new rtnetlink-link module which
specifically deals with these kinds of messages and follows the old
rtnetlink API.
This commit is contained in:
Ethan Jackson
2010-12-21 13:44:37 -08:00
parent 5601839c45
commit 21d6e22eee
7 changed files with 286 additions and 119 deletions
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15
lib/dpif-linux.c
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@@ -40,6 +40,7 @@
#include "openvswitch/tunnel.h"
#include "poll-loop.h"
#include "rtnetlink.h"
#include "rtnetlink-link.h"
#include "shash.h"
#include "svec.h"
#include "util.h"
@@ -72,7 +73,7 @@ static int get_openvswitch_major(void);
static int create_minor(const char *name, int minor, struct dpif **dpifp);
static int open_minor(int minor, struct dpif **dpifp);
static int make_openvswitch_device(int minor, char **fnp);
static void dpif_linux_port_changed(const struct rtnetlink_change *,
static void dpif_linux_port_changed(const struct rtnetlink_link_change *,
void *dpif);
static struct dpif_linux *
@@ -177,7 +178,7 @@ static void
dpif_linux_close(struct dpif *dpif_)
{
struct dpif_linux *dpif = dpif_linux_cast(dpif_);
rtnetlink_notifier_unregister(&dpif->port_notifier);
rtnetlink_link_notifier_unregister(&dpif->port_notifier);
shash_destroy(&dpif->changed_ports);
free(dpif->local_ifname);
close(dpif->fd);
@@ -367,7 +368,7 @@ dpif_linux_port_poll_wait(const struct dpif *dpif_)
if (!shash_is_empty(&dpif->changed_ports) || dpif->change_error) {
poll_immediate_wake();
} else {
rtnetlink_notifier_wait();
rtnetlink_link_notifier_wait();
}
}
@@ -770,8 +771,9 @@ open_minor(int minor, struct dpif **dpifp)
fd = open(fn, O_RDONLY | O_NONBLOCK);
if (fd >= 0) {
struct dpif_linux *dpif = xmalloc(sizeof *dpif);
error = rtnetlink_notifier_register(&dpif->port_notifier,
dpif_linux_port_changed, dpif);
error = rtnetlink_link_notifier_register(&dpif->port_notifier,
dpif_linux_port_changed,
dpif);
if (!error) {
char *name;
@@ -799,7 +801,8 @@ open_minor(int minor, struct dpif **dpifp)
}
static void
dpif_linux_port_changed(const struct rtnetlink_change *change, void *dpif_)
dpif_linux_port_changed(const struct rtnetlink_link_change *change,
void *dpif_)
{
struct dpif_linux *dpif = dpif_;