-static int announce_self_create(uint8_t *buf,
- uint8_t *mac_addr)
-{
- /* Ethernet header. */
- memset(buf, 0xff, 6); /* destination MAC addr */
- memcpy(buf + 6, mac_addr, 6); /* source MAC addr */
- *(uint16_t *)(buf + 12) = htons(ETH_P_RARP); /* ethertype */
-
- /* RARP header. */
- *(uint16_t *)(buf + 14) = htons(ARP_HTYPE_ETH); /* hardware addr space */
- *(uint16_t *)(buf + 16) = htons(ARP_PTYPE_IP); /* protocol addr space */
- *(buf + 18) = 6; /* hardware addr length (ethernet) */
- *(buf + 19) = 4; /* protocol addr length (IPv4) */
- *(uint16_t *)(buf + 20) = htons(ARP_OP_REQUEST_REV); /* opcode */
- memcpy(buf + 22, mac_addr, 6); /* source hw addr */
- memset(buf + 28, 0x00, 4); /* source protocol addr */
- memcpy(buf + 32, mac_addr, 6); /* target hw addr */
- memset(buf + 38, 0x00, 4); /* target protocol addr */
-
- /* Padding to get up to 60 bytes (ethernet min packet size, minus FCS). */
- memset(buf + 42, 0x00, 18);
-
- return 60; /* len (FCS will be added by hardware) */
-}
-
-static void qemu_announce_self_iter(NICState *nic, void *opaque)
-{
- uint8_t buf[60];
- int len;
-
- trace_qemu_announce_self_iter(qemu_ether_ntoa(&nic->conf->macaddr));
- len = announce_self_create(buf, nic->conf->macaddr.a);
-
- qemu_send_packet_raw(qemu_get_queue(nic), buf, len);
-}
-
-
-static void qemu_announce_self_once(void *opaque)
-{
- static int count = SELF_ANNOUNCE_ROUNDS;
- QEMUTimer *timer = *(QEMUTimer **)opaque;
-
- qemu_foreach_nic(qemu_announce_self_iter, NULL);
-
- if (--count) {
- /* delay 50ms, 150ms, 250ms, ... */
- timer_mod(timer, qemu_clock_get_ms(QEMU_CLOCK_REALTIME) +
- self_announce_delay(count));
- } else {
- timer_del(timer);
- timer_free(timer);
- }
-}
-
-void qemu_announce_self(void)
-{
- static QEMUTimer *timer;
- timer = timer_new_ms(QEMU_CLOCK_REALTIME, qemu_announce_self_once, &timer);
- qemu_announce_self_once(&timer);
-}
-