Exemplo n.º 1
0
/*
 *	Handle a BOOTP received packet.
 */
static void
BootpHandler(uchar *pkt, unsigned dest, IPaddr_t sip, unsigned src,
	     unsigned len)
{
	struct Bootp_t *bp;

	debug("got BOOTP packet (src=%d, dst=%d, len=%d want_len=%zu)\n",
		src, dest, len, sizeof(struct Bootp_t));

	bp = (struct Bootp_t *)pkt;

	/* Filter out pkts we don't want */
	if (BootpCheckPkt(pkt, dest, src, len))
		return;

	/*
	 *	Got a good BOOTP reply.	 Copy the data into our variables.
	 */
#ifdef CONFIG_STATUS_LED
	status_led_set(STATUS_LED_BOOT, STATUS_LED_OFF);
#endif

	BootpCopyNetParams(bp);		/* Store net parameters from reply */

	/* Retrieve extended information (we must parse the vendor area) */
	if (NetReadLong((uint *)&bp->bp_vend[0]) == htonl(BOOTP_VENDOR_MAGIC))
		BootpVendorProcess((uchar *)&bp->bp_vend[4], len);

	NetSetTimeout(0, (thand_f *)0);
	bootstage_mark_name(BOOTSTAGE_ID_BOOTP_STOP, "bootp_stop");

	debug("Got good BOOTP\n");

	net_auto_load();
}
Exemplo n.º 2
0
/*
 *	Handle a BOOTP received packet.
 */
static void
BootpHandler(uchar * pkt, unsigned dest, unsigned src, unsigned len)
{
	Bootp_t *bp;
	char	*s;

	debug("got BOOTP packet (src=%d, dst=%d, len=%d want_len=%zu)\n",
		src, dest, len, sizeof (Bootp_t));

	bp = (Bootp_t *)pkt;

	if (BootpCheckPkt(pkt, dest, src, len)) /* Filter out pkts we don't want */
		return;

	/*
	 *	Got a good BOOTP reply.	 Copy the data into our variables.
	 */
#ifdef CONFIG_STATUS_LED
	status_led_set (STATUS_LED_BOOT, STATUS_LED_OFF);
#endif

	BootpCopyNetParams(bp);		/* Store net parameters from reply */

	/* Retrieve extended information (we must parse the vendor area) */
	if (NetReadLong((ulong*)&bp->bp_vend[0]) == htonl(BOOTP_VENDOR_MAGIC))
		BootpVendorProcess((uchar *)&bp->bp_vend[4], len);

	NetSetTimeout(0, (thand_f *)0);

	debug("Got good BOOTP\n");

	if ((s = getenv("autoload")) != NULL) {
		if (*s == 'n') {
			/*
			 * Just use BOOTP to configure system;
			 * Do not use TFTP to load the bootfile.
			 */
			NetState = NETLOOP_SUCCESS;
			return;
#if defined(CONFIG_CMD_NFS)
		} else if (strcmp(s, "NFS") == 0) {
			/*
			 * Use NFS to load the bootfile.
			 */
			NfsStart();
			return;
#endif
		}
	}

	struct NetTask tftp_task;
	BootpDeriveTaskTftp(&tftp_task, bp);
	TftpStart(&tftp_task);
}