Exemplo n.º 1
0
static int wl1271_op_config_interface(struct ieee80211_hw *hw,
				      struct ieee80211_vif *vif,
				      struct ieee80211_if_conf *conf)
{
	struct wl1271 *wl = hw->priv;
	struct sk_buff *beacon;
	int ret;

	wl1271_debug(DEBUG_MAC80211, "mac80211 config_interface bssid %pM",
		     conf->bssid);
	wl1271_dump_ascii(DEBUG_MAC80211, "ssid: ", conf->ssid,
			  conf->ssid_len);

	mutex_lock(&wl->mutex);

	ret = wl1271_ps_elp_wakeup(wl, false);
	if (ret < 0)
		goto out;

	memcpy(wl->bssid, conf->bssid, ETH_ALEN);

	ret = wl1271_cmd_build_null_data(wl);
	if (ret < 0)
		goto out_sleep;

	wl->ssid_len = conf->ssid_len;
	if (wl->ssid_len)
		memcpy(wl->ssid, conf->ssid, wl->ssid_len);

	if (wl->bss_type != BSS_TYPE_IBSS) {
		
		ret = wl1271_cmd_join(wl, wl->bss_type, 5, 100, 1);
		if (ret < 0)
			goto out_sleep;
	}

	if (conf->changed & IEEE80211_IFCC_BEACON) {
		beacon = ieee80211_beacon_get(hw, vif);
		ret = wl1271_cmd_template_set(wl, CMD_TEMPL_BEACON,
					      beacon->data, beacon->len);

		if (ret < 0) {
			dev_kfree_skb(beacon);
			goto out_sleep;
		}

		ret = wl1271_cmd_template_set(wl, CMD_TEMPL_PROBE_RESPONSE,
					      beacon->data, beacon->len);

		dev_kfree_skb(beacon);

		if (ret < 0)
			goto out_sleep;

		
		ret = wl1271_cmd_join(wl, wl->bss_type, 1, 100, 0);

		if (ret < 0)
			goto out_sleep;
	}

out_sleep:
	wl1271_ps_elp_sleep(wl);

out:
	mutex_unlock(&wl->mutex);

	return ret;
}
Exemplo n.º 2
0
static int wl1271_op_config(struct ieee80211_hw *hw, u32 changed)
{
	struct wl1271 *wl = hw->priv;
	struct ieee80211_conf *conf = &hw->conf;
	int channel, ret = 0;

	channel = ieee80211_frequency_to_channel(conf->channel->center_freq);

	wl1271_debug(DEBUG_MAC80211, "mac80211 config ch %d psm %s power %d",
		     channel,
		     conf->flags & IEEE80211_CONF_PS ? "on" : "off",
		     conf->power_level);

	mutex_lock(&wl->mutex);

	ret = wl1271_ps_elp_wakeup(wl, false);
	if (ret < 0)
		goto out;

	if (channel != wl->channel) {
		u8 old_channel = wl->channel;
		wl->channel = channel;

		
		ret = wl1271_cmd_join(wl, wl->bss_type, 1, 100, 0);
		if (ret < 0) {
			wl->channel = old_channel;
			goto out_sleep;
		}
	}

	ret = wl1271_cmd_build_null_data(wl);
	if (ret < 0)
		goto out_sleep;

	if (conf->flags & IEEE80211_CONF_PS && !wl->psm_requested) {
		wl1271_info("psm enabled");

		wl->psm_requested = true;

		
		ret = wl1271_ps_set_mode(wl, STATION_POWER_SAVE_MODE);
	} else if (!(conf->flags & IEEE80211_CONF_PS) &&
		   wl->psm_requested) {
		wl1271_info("psm disabled");

		wl->psm_requested = false;

		if (wl->psm)
			ret = wl1271_ps_set_mode(wl, STATION_ACTIVE_MODE);
	}

	if (conf->power_level != wl->power_level) {
		ret = wl1271_acx_tx_power(wl, conf->power_level);
		if (ret < 0)
			goto out;

		wl->power_level = conf->power_level;
	}

out_sleep:
	wl1271_ps_elp_sleep(wl);

out:
	mutex_unlock(&wl->mutex);

	return ret;
}
static int wl1271_op_config(struct ieee80211_hw *hw, u32 changed)
{
	struct wl1271 *wl = hw->priv;
	struct ieee80211_conf *conf = &hw->conf;
	int channel, ret = 0;

	channel = ieee80211_frequency_to_channel(conf->channel->center_freq);

	wl1271_debug(DEBUG_MAC80211, "mac80211 config ch %d psm %s power %d",
		     channel,
		     conf->flags & IEEE80211_CONF_PS ? "on" : "off",
		     conf->power_level);

	mutex_lock(&wl->mutex);

	ret = wl1271_ps_elp_wakeup(wl, false);
	if (ret < 0)
		goto out;

	if (channel != wl->channel) {
		u8 old_channel = wl->channel;
		wl->channel = channel;

		/* FIXME: use beacon interval provided by mac80211 */
		ret = wl1271_cmd_join(wl, wl->bss_type, 1, 100, 0);
		if (ret < 0) {
			wl->channel = old_channel;
			goto out_sleep;
		}
	}

	ret = wl1271_cmd_build_null_data(wl);
	if (ret < 0)
		goto out_sleep;

	if (conf->flags & IEEE80211_CONF_PS && !wl->psm_requested) {
		wl1271_info("psm enabled");

		wl->psm_requested = true;

		/*
		 * We enter PSM only if we're already associated.
		 * If we're not, we'll enter it when joining an SSID,
		 * through the bss_info_changed() hook.
		 */
		ret = wl1271_ps_set_mode(wl, STATION_POWER_SAVE_MODE);
	} else if (!(conf->flags & IEEE80211_CONF_PS) &&
		   wl->psm_requested) {
		wl1271_info("psm disabled");

		wl->psm_requested = false;

		if (wl->psm)
			ret = wl1271_ps_set_mode(wl, STATION_ACTIVE_MODE);
	}

	if (conf->power_level != wl->power_level) {
		ret = wl1271_acx_tx_power(wl, conf->power_level);
		if (ret < 0)
			goto out;

		wl->power_level = conf->power_level;
	}

out_sleep:
	wl1271_ps_elp_sleep(wl);

out:
	mutex_unlock(&wl->mutex);

	return ret;
}