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Don't send all gratuitous packets at once.

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Use timer to separate them in time.

Signed-off-by: Gleb Natapov <gleb@redhat.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
This commit is contained in:
Gleb Natapov 2009-05-21 17:17:44 +03:00 committed by Anthony Liguori
parent 976305b75f
commit ed8b330bcc
1 changed files with 19 additions and 5 deletions
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24
savevm.c
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@ -116,23 +116,37 @@ static int announce_self_create(uint8_t *buf,
return 64; /* len */ return 64; /* len */
} }
void qemu_announce_self(void) static void qemu_announce_self_once(void *opaque)
{ {
int i, j, len; int i, len;
VLANState *vlan; VLANState *vlan;
VLANClientState *vc; VLANClientState *vc;
uint8_t buf[256]; uint8_t buf[256];
static int count = SELF_ANNOUNCE_ROUNDS;
QEMUTimer *timer = *(QEMUTimer **)opaque;
for (i = 0; i < MAX_NICS; i++) { for (i = 0; i < MAX_NICS; i++) {
if (!nd_table[i].used) if (!nd_table[i].used)
continue; continue;
len = announce_self_create(buf, nd_table[i].macaddr); len = announce_self_create(buf, nd_table[i].macaddr);
vlan = nd_table[i].vlan; vlan = nd_table[i].vlan;
for(vc = vlan->first_client; vc != NULL; vc = vc->next) { for(vc = vlan->first_client; vc != NULL; vc = vc->next) {
for (j=0; j < SELF_ANNOUNCE_ROUNDS; j++) vc->fd_read(vc->opaque, buf, len);
vc->fd_read(vc->opaque, buf, len);
} }
} }
if (count--) {
qemu_mod_timer(timer, qemu_get_clock(rt_clock) + 100);
} else {
qemu_del_timer(timer);
qemu_free_timer(timer);
}
}
void qemu_announce_self(void)
{
static QEMUTimer *timer;
timer = qemu_new_timer(rt_clock, qemu_announce_self_once, &timer);
qemu_announce_self_once(&timer);
} }
/***********************************************************/ /***********************************************************/