Ejemplo n.º 1
0
int mt76_register_device(struct mt76_dev *dev)
{
	struct ieee80211_hw *hw = dev->hw;
	struct wiphy *wiphy = hw->wiphy;
	void *status_fifo;
	int fifo_size;
	int i, ret;

	fifo_size = roundup_pow_of_two(32 * sizeof(struct mt76_tx_status));
	status_fifo = devm_kzalloc(dev->dev, fifo_size, GFP_KERNEL);
	if (!status_fifo)
		return -ENOMEM;

	kfifo_init(&dev->txstatus_fifo, status_fifo, fifo_size);

	ret = mt76_init_hardware(dev);
	if (ret)
		return ret;

	SET_IEEE80211_DEV(hw, dev->dev);

	hw->queues = 4;
	hw->flags = IEEE80211_HW_SIGNAL_DBM |
		    IEEE80211_HW_PS_NULLFUNC_STACK |
		    IEEE80211_HW_SUPPORTS_HT_CCK_RATES |
		    IEEE80211_HW_HOST_BROADCAST_PS_BUFFERING |
		    IEEE80211_HW_AMPDU_AGGREGATION |
		    IEEE80211_HW_SUPPORTS_RC_TABLE;
	hw->max_rates = 1;
	hw->max_report_rates = 7;
	hw->max_rate_tries = 1;

	hw->sta_data_size = sizeof(struct mt76_sta);
	hw->vif_data_size = sizeof(struct mt76_vif);
	hw->txq_data_size = sizeof(struct mt76_txq);

	dev->macaddr[0] &= ~BIT(1);
	SET_IEEE80211_PERM_ADDR(hw, dev->macaddr);

	for (i = 0; i < ARRAY_SIZE(dev->macaddr_list); i++) {
		u8 *addr = dev->macaddr_list[i].addr;
		memcpy(addr, dev->macaddr, ETH_ALEN);

		if (!i)
			continue;

		addr[0] |= BIT(1);
		addr[0] ^= ((i - 1) << 2);
	}
	wiphy->addresses = dev->macaddr_list;
	wiphy->n_addresses = ARRAY_SIZE(dev->macaddr_list);

	wiphy->features |= NL80211_FEATURE_ACTIVE_MONITOR;

	wiphy->interface_modes =
		BIT(NL80211_IFTYPE_STATION) |
		BIT(NL80211_IFTYPE_AP) |
#ifdef CONFIG_MAC80211_MESH
		BIT(NL80211_IFTYPE_MESH_POINT) |
#endif
		BIT(NL80211_IFTYPE_ADHOC);

	wiphy->iface_combinations = if_comb;
	wiphy->n_iface_combinations = ARRAY_SIZE(if_comb);

	ret = mt76_init_sband_2g(dev);
	if (ret)
		goto fail;

	ret = mt76_init_sband_5g(dev);
	if (ret)
		goto fail;

	INIT_LIST_HEAD(&dev->txwi_cache);
	INIT_DELAYED_WORK(&dev->cal_work, mt76_phy_calibrate);
	INIT_DELAYED_WORK(&dev->mac_work, mt76_mac_work);

	ret = ieee80211_register_hw(hw);
	if (ret)
		goto fail;

	mt76_init_debugfs(dev);

	return 0;

fail:
	mt76_stop_hardware(dev);
	return ret;
}
Ejemplo n.º 2
0
int mt76_register_device(struct mt76_dev *dev, bool vht,
			 struct ieee80211_rate *rates, int n_rates)
{
	struct ieee80211_hw *hw = dev->hw;
	struct wiphy *wiphy = hw->wiphy;
	int ret;

	dev_set_drvdata(dev->dev, dev);

	INIT_LIST_HEAD(&dev->txwi_cache);

	SET_IEEE80211_DEV(hw, dev->dev);
	SET_IEEE80211_PERM_ADDR(hw, dev->macaddr);

	wiphy->features |= NL80211_FEATURE_ACTIVE_MONITOR;

	wiphy_ext_feature_set(wiphy, NL80211_EXT_FEATURE_CQM_RSSI_LIST);

	wiphy->available_antennas_tx = dev->antenna_mask;
	wiphy->available_antennas_rx = dev->antenna_mask;

	hw->txq_data_size = sizeof(struct mt76_txq);
	hw->max_tx_fragments = 16;

	ieee80211_hw_set(hw, SIGNAL_DBM);
	ieee80211_hw_set(hw, PS_NULLFUNC_STACK);
	ieee80211_hw_set(hw, HOST_BROADCAST_PS_BUFFERING);
	ieee80211_hw_set(hw, AMPDU_AGGREGATION);
	ieee80211_hw_set(hw, SUPPORTS_RC_TABLE);
	ieee80211_hw_set(hw, SUPPORT_FAST_XMIT);
	ieee80211_hw_set(hw, SUPPORTS_CLONED_SKBS);
	ieee80211_hw_set(hw, SUPPORTS_AMSDU_IN_AMPDU);
	ieee80211_hw_set(hw, TX_AMSDU);
	ieee80211_hw_set(hw, TX_FRAG_LIST);
	ieee80211_hw_set(hw, MFP_CAPABLE);
	ieee80211_hw_set(hw, AP_LINK_PS);
	ieee80211_hw_set(hw, REPORTS_TX_ACK_STATUS);
	ieee80211_hw_set(hw, NEEDS_UNIQUE_STA_ADDR);

	wiphy->flags |= WIPHY_FLAG_IBSS_RSN;

	if (dev->cap.has_2ghz) {
		ret = mt76_init_sband_2g(dev, rates, n_rates);
		if (ret)
			return ret;
	}

	if (dev->cap.has_5ghz) {
		ret = mt76_init_sband_5g(dev, rates + 4, n_rates - 4, vht);
		if (ret)
			return ret;
	}

	wiphy_read_of_freq_limits(dev->hw->wiphy);
	mt76_check_sband(dev, NL80211_BAND_2GHZ);
	mt76_check_sband(dev, NL80211_BAND_5GHZ);

	if (IS_ENABLED(CONFIG_MT76_LEDS)) {
		ret = mt76_led_init(dev);
		if (ret)
			return ret;
	}

	return ieee80211_register_hw(hw);
}