示例#1
0
int wl1271_cmd_join(struct wl1271 *wl, u8 bss_type, u8 dtim_interval,
		    u16 beacon_interval, u8 wait)
{
	static bool do_cal = true;
	unsigned long timeout;
	struct wl1271_cmd_join *join;
	int ret, i;
	u8 *bssid;

	
	if (do_cal) {
		ret = wl1271_cmd_cal(wl);
		if (ret < 0)
			wl1271_warning("couldn't calibrate");
		else
			do_cal = false;
	}


	join = kzalloc(sizeof(*join), GFP_KERNEL);
	if (!join) {
		ret = -ENOMEM;
		goto out;
	}

	wl1271_debug(DEBUG_CMD, "cmd join");

	
	bssid = (u8 *) &join->bssid_lsb;
	for (i = 0; i < ETH_ALEN; i++)
		bssid[i] = wl->bssid[ETH_ALEN - i - 1];

	join->rx_config_options = wl->rx_config;
	join->rx_filter_options = wl->rx_filter;

	join->basic_rate_set = RATE_MASK_1MBPS | RATE_MASK_2MBPS |
		RATE_MASK_5_5MBPS | RATE_MASK_11MBPS;

	join->beacon_interval = beacon_interval;
	join->dtim_interval = dtim_interval;
	join->bss_type = bss_type;
	join->channel = wl->channel;
	join->ssid_len = wl->ssid_len;
	memcpy(join->ssid, wl->ssid, wl->ssid_len);
	join->ctrl = WL1271_JOIN_CMD_CTRL_TX_FLUSH;

	
	wl->session_counter++;
	if (wl->session_counter >= SESSION_COUNTER_MAX)
		wl->session_counter = 0;

	join->ctrl |= wl->session_counter << WL1271_JOIN_CMD_TX_SESSION_OFFSET;


	ret = wl1271_cmd_send(wl, CMD_START_JOIN, join, sizeof(*join));
	if (ret < 0) {
		wl1271_error("failed to initiate cmd join");
		goto out_free;
	}

	timeout = msecs_to_jiffies(JOIN_TIMEOUT);

	
	if (wait)
		msleep(10);

out_free:
	kfree(join);

out:
	return ret;
}
示例#2
0
int wl1271_cmd_join(struct wl1271 *wl, u8 bss_type, u8 dtim_interval,
		    u16 beacon_interval, u8 wait)
{
	static bool do_cal = true;
	unsigned long timeout;
	struct wl1271_cmd_join *join;
	int ret, i;
	u8 *bssid;

	/* FIXME: remove when we get calibration from the factory */
	if (do_cal) {
		ret = wl1271_cmd_cal(wl);
		if (ret < 0)
			wl1271_warning("couldn't calibrate");
		else
			do_cal = false;
	}


	join = kzalloc(sizeof(*join), GFP_KERNEL);
	if (!join) {
		ret = -ENOMEM;
		goto out;
	}

	wl1271_debug(DEBUG_CMD, "cmd join");

	/* Reverse order BSSID */
	bssid = (u8 *) &join->bssid_lsb;
	for (i = 0; i < ETH_ALEN; i++)
		bssid[i] = wl->bssid[ETH_ALEN - i - 1];

	join->rx_config_options = wl->rx_config;
	join->rx_filter_options = wl->rx_filter;

	join->basic_rate_set = RATE_MASK_1MBPS | RATE_MASK_2MBPS |
		RATE_MASK_5_5MBPS | RATE_MASK_11MBPS;

	join->beacon_interval = beacon_interval;
	join->dtim_interval = dtim_interval;
	join->bss_type = bss_type;
	join->channel = wl->channel;
	join->ssid_len = wl->ssid_len;
	memcpy(join->ssid, wl->ssid, wl->ssid_len);
	join->ctrl = WL1271_JOIN_CMD_CTRL_TX_FLUSH;

	/* increment the session counter */
	wl->session_counter++;
	if (wl->session_counter >= SESSION_COUNTER_MAX)
		wl->session_counter = 0;

	join->ctrl |= wl->session_counter << WL1271_JOIN_CMD_TX_SESSION_OFFSET;


	ret = wl1271_cmd_send(wl, CMD_START_JOIN, join, sizeof(*join));
	if (ret < 0) {
		wl1271_error("failed to initiate cmd join");
		goto out_free;
	}

	timeout = msecs_to_jiffies(JOIN_TIMEOUT);

	/*
	 * ugly hack: we should wait for JOIN_EVENT_COMPLETE_ID but to
	 * simplify locking we just sleep instead, for now
	 */
	if (wait)
		msleep(10);

out_free:
	kfree(join);

out:
	return ret;
}