Exemple #1
0
struct ieee80211_hw *ieee80211_alloc_hw(size_t priv_data_len,
					const struct ieee80211_ops *ops)
{
	struct ieee80211_local *local;
	int priv_size, i;
	struct wiphy *wiphy;

	/* Ensure 32-byte alignment of our private data and hw private data.
	 * We use the wiphy priv data for both our ieee80211_local and for
	 * the driver's private data
	 *
	 * In memory it'll be like this:
	 *
	 * +-------------------------+
	 * | struct wiphy	    |
	 * +-------------------------+
	 * | struct ieee80211_local  |
	 * +-------------------------+
	 * | driver's private data   |
	 * +-------------------------+
	 *
	 */
	priv_size = ALIGN(sizeof(*local), NETDEV_ALIGN) + priv_data_len;

	wiphy = wiphy_new(&mac80211_config_ops, priv_size);

	if (!wiphy)
		return NULL;

	wiphy->mgmt_stypes = ieee80211_default_mgmt_stypes;

	wiphy->privid = mac80211_wiphy_privid;

	wiphy->flags |= WIPHY_FLAG_NETNS_OK |
			WIPHY_FLAG_4ADDR_AP |
			WIPHY_FLAG_4ADDR_STATION;

	if (!ops->set_key)
		wiphy->flags |= WIPHY_FLAG_IBSS_RSN;

	wiphy->bss_priv_size = sizeof(struct ieee80211_bss);

	local = wiphy_priv(wiphy);

	local->hw.wiphy = wiphy;

	local->hw.priv = (char *)local + ALIGN(sizeof(*local), NETDEV_ALIGN);

	BUG_ON(!ops->tx);
	BUG_ON(!ops->start);
	BUG_ON(!ops->stop);
	BUG_ON(!ops->config);
	BUG_ON(!ops->add_interface);
	BUG_ON(!ops->remove_interface);
	BUG_ON(!ops->configure_filter);
	local->ops = ops;

	/* set up some defaults */
	local->hw.queues = 1;
	local->hw.max_rates = 1;
	local->hw.max_report_rates = 0;
	local->hw.max_rx_aggregation_subframes = IEEE80211_MAX_AMPDU_BUF;
	local->hw.conf.long_frame_max_tx_count = wiphy->retry_long;
	local->hw.conf.short_frame_max_tx_count = wiphy->retry_short;
	local->user_power_level = -1;
	local->uapsd_queues = IEEE80211_DEFAULT_UAPSD_QUEUES;
	local->uapsd_max_sp_len = IEEE80211_DEFAULT_MAX_SP_LEN;

	INIT_LIST_HEAD(&local->interfaces);
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,35))

	__hw_addr_init(&local->mc_list);

#endif
	mutex_init(&local->iflist_mtx);
	mutex_init(&local->mtx);

	mutex_init(&local->key_mtx);
	spin_lock_init(&local->filter_lock);
	spin_lock_init(&local->queue_stop_reason_lock);

	/*
	 * The rx_skb_queue is only accessed from tasklets,
	 * but other SKB queues are used from within IRQ
	 * context. Therefore, this one needs a different
	 * locking class so our direct, non-irq-safe use of
	 * the queue's lock doesn't throw lockdep warnings.
	 */
	skb_queue_head_init_class(&local->rx_skb_queue,
				  &ieee80211_rx_skb_queue_class);

	INIT_DELAYED_WORK(&local->scan_work, ieee80211_scan_work);

	ieee80211_work_init(local);

	INIT_WORK(&local->restart_work, ieee80211_restart_work);

	INIT_WORK(&local->reconfig_filter, ieee80211_reconfig_filter);
	INIT_WORK(&local->recalc_smps, ieee80211_recalc_smps_work);
	local->smps_mode = IEEE80211_SMPS_OFF;

	INIT_WORK(&local->dynamic_ps_enable_work,
		  ieee80211_dynamic_ps_enable_work);
	INIT_WORK(&local->dynamic_ps_disable_work,
		  ieee80211_dynamic_ps_disable_work);
	setup_timer(&local->dynamic_ps_timer,
		    ieee80211_dynamic_ps_timer, (unsigned long) local);

	INIT_WORK(&local->sched_scan_stopped_work,
		  ieee80211_sched_scan_stopped_work);

	sta_info_init(local);

	for (i = 0; i < IEEE80211_MAX_QUEUES; i++) {
		skb_queue_head_init(&local->pending[i]);
		atomic_set(&local->agg_queue_stop[i], 0);
	}
	tasklet_init(&local->tx_pending_tasklet, ieee80211_tx_pending,
		     (unsigned long)local);

	tasklet_init(&local->tasklet,
		     ieee80211_tasklet_handler,
		     (unsigned long) local);

	skb_queue_head_init(&local->skb_queue);
	skb_queue_head_init(&local->skb_queue_unreliable);

	/* init dummy netdev for use w/ NAPI */
	init_dummy_netdev(&local->napi_dev);

	ieee80211_led_names(local);

	ieee80211_hw_roc_setup(local);

	return local_to_hw(local);
}
Exemple #2
0
struct ieee80211_hw *ieee80211_alloc_hw(size_t priv_data_len,
					const struct ieee80211_ops *ops)
{
	struct ieee80211_local *local;
	int priv_size, i;
	struct wiphy *wiphy;

	/* Ensure 32-byte alignment of our private data and hw private data.
	 * We use the wiphy priv data for both our ieee80211_local and for
	 * the driver's private data
	 *
	 * In memory it'll be like this:
	 *
	 * +-------------------------+
	 * | struct wiphy	    |
	 * +-------------------------+
	 * | struct ieee80211_local  |
	 * +-------------------------+
	 * | driver's private data   |
	 * +-------------------------+
	 *
	 */
	priv_size = ALIGN(sizeof(*local), NETDEV_ALIGN) + priv_data_len;

	wiphy = wiphy_new(&mac80211_config_ops, priv_size);

	if (!wiphy)
		return NULL;

	wiphy->flags |= WIPHY_FLAG_NETNS_OK |
			WIPHY_FLAG_4ADDR_AP |
			WIPHY_FLAG_4ADDR_STATION;
	wiphy->privid = mac80211_wiphy_privid;

	wiphy->bss_priv_size = sizeof(struct ieee80211_bss);

	local = wiphy_priv(wiphy);

	local->hw.wiphy = wiphy;

	local->hw.priv = (char *)local + ALIGN(sizeof(*local), NETDEV_ALIGN);

	BUG_ON(!ops->tx);
	BUG_ON(!ops->start);
	BUG_ON(!ops->stop);
	BUG_ON(!ops->config);
	BUG_ON(!ops->add_interface);
	BUG_ON(!ops->remove_interface);
	BUG_ON(!ops->configure_filter);
	local->ops = ops;

	/* set up some defaults */
	local->hw.queues = 1;
	local->hw.max_rates = 1;
	local->hw.conf.long_frame_max_tx_count = wiphy->retry_long;
	local->hw.conf.short_frame_max_tx_count = wiphy->retry_short;
	local->user_power_level = -1;
	local->uapsd_queues = IEEE80211_DEFAULT_UAPSD_QUEUES;
	local->uapsd_max_sp_len = IEEE80211_DEFAULT_MAX_SP_LEN;

	INIT_LIST_HEAD(&local->interfaces);

	__hw_addr_init(&local->mc_list);

	mutex_init(&local->iflist_mtx);
	mutex_init(&local->scan_mtx);

	mutex_init(&local->key_mtx);
	spin_lock_init(&local->filter_lock);
	spin_lock_init(&local->queue_stop_reason_lock);

	INIT_DELAYED_WORK(&local->scan_work, ieee80211_scan_work);

	ieee80211_work_init(local);

	INIT_WORK(&local->restart_work, ieee80211_restart_work);

	INIT_WORK(&local->reconfig_filter, ieee80211_reconfig_filter);
	INIT_WORK(&local->recalc_smps, ieee80211_recalc_smps_work);
	local->smps_mode = IEEE80211_SMPS_OFF;

	INIT_WORK(&local->dynamic_ps_enable_work,
		  ieee80211_dynamic_ps_enable_work);
	INIT_WORK(&local->dynamic_ps_disable_work,
		  ieee80211_dynamic_ps_disable_work);
	setup_timer(&local->dynamic_ps_timer,
		    ieee80211_dynamic_ps_timer, (unsigned long) local);

	sta_info_init(local);

	for (i = 0; i < IEEE80211_MAX_QUEUES; i++) {
		skb_queue_head_init(&local->pending[i]);
		atomic_set(&local->agg_queue_stop[i], 0);
	}
	tasklet_init(&local->tx_pending_tasklet, ieee80211_tx_pending,
		     (unsigned long)local);

	tasklet_init(&local->tasklet,
		     ieee80211_tasklet_handler,
		     (unsigned long) local);

	skb_queue_head_init(&local->skb_queue);
	skb_queue_head_init(&local->skb_queue_unreliable);

	return local_to_hw(local);
}