gwj / at91sam9263 · Commits

Commit ed8b330bccabb03c930ed1e4d72e341130f9b406

Authored by Gleb Natapov
Committed by Anthony Liguori
1 parent 976305b7

Don't send all gratuitous packets at once. 

Use timer to separate them in time.

Signed-off-by: Gleb Natapov <gleb@redhat.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
Inline Side-by-side
Showing 1 changed file with 19 additions and 5 deletions
savevm.c
  View file @ed8b330
... ... @@ -116,23 +116,37 @@ static int announce_self_create(uint8_t *buf,
116 116 return 64; /* len */
117 117 }
118 118  
119   -void qemu_announce_self(void)
  119 +static void qemu_announce_self_once(void *opaque)
120 120 {
121   - int i, j, len;
  121 + int i, len;
122 122 VLANState *vlan;
123 123 VLANClientState *vc;
124 124 uint8_t buf[256];
  125 + static int count = SELF_ANNOUNCE_ROUNDS;
  126 + QEMUTimer *timer = *(QEMUTimer **)opaque;
125 127  
126 128 for (i = 0; i < MAX_NICS; i++) {
127 129 if (!nd_table[i].used)
128 130 continue;
129 131 len = announce_self_create(buf, nd_table[i].macaddr);
130 132 vlan = nd_table[i].vlan;
131   - for(vc = vlan->first_client; vc != NULL; vc = vc->next) {
132   - for (j=0; j < SELF_ANNOUNCE_ROUNDS; j++)
133   - vc->fd_read(vc->opaque, buf, len);
  133 + for(vc = vlan->first_client; vc != NULL; vc = vc->next) {
  134 + vc->fd_read(vc->opaque, buf, len);
134 135 }
135 136 }
  137 + if (count--) {
  138 + qemu_mod_timer(timer, qemu_get_clock(rt_clock) + 100);
  139 + } else {
  140 + qemu_del_timer(timer);
  141 + qemu_free_timer(timer);
  142 + }
  143 +}
  144 +
  145 +void qemu_announce_self(void)
  146 +{
  147 + static QEMUTimer *timer;
  148 + timer = qemu_new_timer(rt_clock, qemu_announce_self_once, &timer);
  149 + qemu_announce_self_once(&timer);
136 150 }
137 151  
138 152 /***********************************************************/
... ...