diff options
| -rw-r--r-- | drivers/net/wireless/rt2x00/rt2x00.h | 52 | ||||
| -rw-r--r-- | drivers/net/wireless/rt2x00/rt2x00config.c | 4 | ||||
| -rw-r--r-- | drivers/net/wireless/rt2x00/rt2x00debug.c | 5 | ||||
| -rw-r--r-- | drivers/net/wireless/rt2x00/rt2x00dev.c | 22 | ||||
| -rw-r--r-- | drivers/net/wireless/rt2x00/rt2x00lib.h | 9 | ||||
| -rw-r--r-- | drivers/net/wireless/rt2x00/rt2x00mac.c | 8 | ||||
| -rw-r--r-- | drivers/net/wireless/rt2x00/rt2x00queue.c | 130 | ||||
| -rw-r--r-- | drivers/net/wireless/rt2x00/rt2x00queue.h | 23 | ||||
| -rw-r--r-- | drivers/net/wireless/rt2x00/rt2x00usb.c | 190 |
9 files changed, 302 insertions, 141 deletions
diff --git a/drivers/net/wireless/rt2x00/rt2x00.h b/drivers/net/wireless/rt2x00/rt2x00.h index b72f59ba4e1e..ac7c3d80300e 100644 --- a/drivers/net/wireless/rt2x00/rt2x00.h +++ b/drivers/net/wireless/rt2x00/rt2x00.h @@ -1073,6 +1073,58 @@ struct data_queue *rt2x00queue_get_queue(struct rt2x00_dev *rt2x00dev, struct queue_entry *rt2x00queue_get_entry(struct data_queue *queue, enum queue_index index); +/** + * rt2x00queue_pause_queue - Pause a data queue + * @queue: Pointer to &struct data_queue. + * + * This function will pause the data queue locally, preventing + * new frames to be added to the queue (while the hardware is + * still allowed to run). + */ +void rt2x00queue_pause_queue(struct data_queue *queue); + +/** + * rt2x00queue_unpause_queue - unpause a data queue + * @queue: Pointer to &struct data_queue. + * + * This function will unpause the data queue locally, allowing + * new frames to be added to the queue again. + */ +void rt2x00queue_unpause_queue(struct data_queue *queue); + +/** + * rt2x00queue_start_queue - Start a data queue + * @queue: Pointer to &struct data_queue. + * + * This function will start handling all pending frames in the queue. + */ +void rt2x00queue_start_queue(struct data_queue *queue); + +/** + * rt2x00queue_stop_queue - Halt a data queue + * @queue: Pointer to &struct data_queue. + * + * This function will stop all pending frames in the queue. + */ +void rt2x00queue_stop_queue(struct data_queue *queue); + +/** + * rt2x00queue_start_queues - Start all data queues + * @rt2x00dev: Pointer to &struct rt2x00_dev. + * + * This function will loop through all available queues to start them + */ +void rt2x00queue_start_queues(struct rt2x00_dev *rt2x00dev); + +/** + * rt2x00queue_stop_queues - Halt all data queues + * @rt2x00dev: Pointer to &struct rt2x00_dev. + * + * This function will loop through all available queues to stop + * any pending frames. + */ +void rt2x00queue_stop_queues(struct rt2x00_dev *rt2x00dev); + /* * Debugfs handlers. */ diff --git a/drivers/net/wireless/rt2x00/rt2x00config.c b/drivers/net/wireless/rt2x00/rt2x00config.c index d2f1f0ad2bc8..70ca9379833b 100644 --- a/drivers/net/wireless/rt2x00/rt2x00config.c +++ b/drivers/net/wireless/rt2x00/rt2x00config.c @@ -146,7 +146,7 @@ void rt2x00lib_config_antenna(struct rt2x00_dev *rt2x00dev, * else the changes will be ignored by the device. */ if (test_bit(DEVICE_STATE_ENABLED_RADIO, &rt2x00dev->flags)) - rt2x00dev->ops->lib->stop_queue(rt2x00dev->rx); + rt2x00queue_stop_queue(rt2x00dev->rx); /* * Write new antenna setup to device and reset the link tuner. @@ -160,7 +160,7 @@ void rt2x00lib_config_antenna(struct rt2x00_dev *rt2x00dev, memcpy(active, &config, sizeof(config)); if (test_bit(DEVICE_STATE_ENABLED_RADIO, &rt2x00dev->flags)) - rt2x00dev->ops->lib->start_queue(rt2x00dev->rx); + rt2x00queue_start_queue(rt2x00dev->rx); } void rt2x00lib_config(struct rt2x00_dev *rt2x00dev, diff --git a/drivers/net/wireless/rt2x00/rt2x00debug.c b/drivers/net/wireless/rt2x00/rt2x00debug.c index 64dfb1f6823e..c92db3264741 100644 --- a/drivers/net/wireless/rt2x00/rt2x00debug.c +++ b/drivers/net/wireless/rt2x00/rt2x00debug.c @@ -339,12 +339,13 @@ static ssize_t rt2x00debug_read_queue_stats(struct file *file, return -ENOMEM; temp = data + - sprintf(data, "qid\tcount\tlimit\tlength\tindex\tdma done\tdone\n"); + sprintf(data, "qid\tflags\t\tcount\tlimit\tlength\tindex\tdma done\tdone\n"); queue_for_each(intf->rt2x00dev, queue) { spin_lock_irqsave(&queue->index_lock, irqflags); - temp += sprintf(temp, "%d\t%d\t%d\t%d\t%d\t%d\t%d\n", queue->qid, + temp += sprintf(temp, "%d\t0x%.8x\t%d\t%d\t%d\t%d\t%d\t\t%d\n", + queue->qid, (unsigned int)queue->flags, queue->count, queue->limit, queue->length, queue->index[Q_INDEX], queue->index[Q_INDEX_DMA_DONE], diff --git a/drivers/net/wireless/rt2x00/rt2x00dev.c b/drivers/net/wireless/rt2x00/rt2x00dev.c index 2c5f246408e8..e42816286ffc 100644 --- a/drivers/net/wireless/rt2x00/rt2x00dev.c +++ b/drivers/net/wireless/rt2x00/rt2x00dev.c @@ -66,9 +66,9 @@ int rt2x00lib_enable_radio(struct rt2x00_dev *rt2x00dev) set_bit(DEVICE_STATE_ENABLED_RADIO, &rt2x00dev->flags); /* - * Enable RX. + * Enable queues. */ - rt2x00dev->ops->lib->start_queue(rt2x00dev->rx); + rt2x00queue_start_queues(rt2x00dev); rt2x00link_start_tuner(rt2x00dev); /* @@ -76,11 +76,6 @@ int rt2x00lib_enable_radio(struct rt2x00_dev *rt2x00dev) */ rt2x00link_start_watchdog(rt2x00dev); - /* - * Start the TX queues. - */ - ieee80211_wake_queues(rt2x00dev->hw); - return 0; } @@ -90,21 +85,15 @@ void rt2x00lib_disable_radio(struct rt2x00_dev *rt2x00dev) return; /* - * Stop the TX queues in mac80211. - */ - ieee80211_stop_queues(rt2x00dev->hw); - rt2x00queue_stop_queues(rt2x00dev); - - /* * Stop watchdog monitoring. */ rt2x00link_stop_watchdog(rt2x00dev); /* - * Disable RX. + * Stop all queues */ rt2x00link_stop_tuner(rt2x00dev); - rt2x00dev->ops->lib->stop_queue(rt2x00dev->rx); + rt2x00queue_stop_queues(rt2x00dev); /* * Disable radio. @@ -249,7 +238,6 @@ void rt2x00lib_txdone(struct queue_entry *entry, struct rt2x00_dev *rt2x00dev = entry->queue->rt2x00dev; struct ieee80211_tx_info *tx_info = IEEE80211_SKB_CB(entry->skb); struct skb_frame_desc *skbdesc = get_skb_frame_desc(entry->skb); - enum data_queue_qid qid = skb_get_queue_mapping(entry->skb); unsigned int header_length, i; u8 rate_idx, rate_flags, retry_rates; u8 skbdesc_flags = skbdesc->flags; @@ -403,7 +391,7 @@ void rt2x00lib_txdone(struct queue_entry *entry, * is reenabled when the txdone handler has finished. */ if (!rt2x00queue_threshold(entry->queue)) - ieee80211_wake_queue(rt2x00dev->hw, qid); + rt2x00queue_unpause_queue(entry->queue); } EXPORT_SYMBOL_GPL(rt2x00lib_txdone); diff --git a/drivers/net/wireless/rt2x00/rt2x00lib.h b/drivers/net/wireless/rt2x00/rt2x00lib.h index 2cf68f82674b..a105c500627b 100644 --- a/drivers/net/wireless/rt2x00/rt2x00lib.h +++ b/drivers/net/wireless/rt2x00/rt2x00lib.h @@ -178,15 +178,6 @@ int rt2x00queue_update_beacon(struct rt2x00_dev *rt2x00dev, void rt2x00queue_index_inc(struct data_queue *queue, enum queue_index index); /** - * rt2x00queue_stop_queues - Halt all data queues - * @rt2x00dev: Pointer to &struct rt2x00_dev. - * - * This function will loop through all available queues to stop - * any pending outgoing frames. - */ -void rt2x00queue_stop_queues(struct rt2x00_dev *rt2x00dev); - -/** * rt2x00queue_init_queues - Initialize all data queues * @rt2x00dev: Pointer to &struct rt2x00_dev. * diff --git a/drivers/net/wireless/rt2x00/rt2x00mac.c b/drivers/net/wireless/rt2x00/rt2x00mac.c index 6713f1ab1284..c4abb204aeda 100644 --- a/drivers/net/wireless/rt2x00/rt2x00mac.c +++ b/drivers/net/wireless/rt2x00/rt2x00mac.c @@ -104,7 +104,7 @@ int rt2x00mac_tx(struct ieee80211_hw *hw, struct sk_buff *skb) struct rt2x00_dev *rt2x00dev = hw->priv; struct ieee80211_tx_info *tx_info = IEEE80211_SKB_CB(skb); enum data_queue_qid qid = skb_get_queue_mapping(skb); - struct data_queue *queue; + struct data_queue *queue = NULL; /* * Mac80211 might be calling this function while we are trying @@ -153,7 +153,7 @@ int rt2x00mac_tx(struct ieee80211_hw *hw, struct sk_buff *skb) goto exit_fail; if (rt2x00queue_threshold(queue)) - ieee80211_stop_queue(rt2x00dev->hw, qid); + rt2x00queue_pause_queue(queue); return NETDEV_TX_OK; @@ -352,7 +352,7 @@ int rt2x00mac_config(struct ieee80211_hw *hw, u32 changed) * if for any reason the link tuner must be reset, this will be * handled by rt2x00lib_config(). */ - rt2x00dev->ops->lib->stop_queue(rt2x00dev->rx); + rt2x00queue_stop_queue(rt2x00dev->rx); /* * When we've just turned on the radio, we want to reprogram @@ -370,7 +370,7 @@ int rt2x00mac_config(struct ieee80211_hw *hw, u32 changed) rt2x00lib_config_antenna(rt2x00dev, rt2x00dev->default_ant); /* Turn RX back on */ - rt2x00dev->ops->lib->start_queue(rt2x00dev->rx); + rt2x00queue_start_queue(rt2x00dev->rx); return 0; } diff --git a/drivers/net/wireless/rt2x00/rt2x00queue.c b/drivers/net/wireless/rt2x00/rt2x00queue.c index 2af6cea0d2da..558965fb41b3 100644 --- a/drivers/net/wireless/rt2x00/rt2x00queue.c +++ b/drivers/net/wireless/rt2x00/rt2x00queue.c @@ -585,7 +585,7 @@ int rt2x00queue_update_beacon(struct rt2x00_dev *rt2x00dev, rt2x00queue_free_skb(intf->beacon); if (!enable_beacon) { - rt2x00dev->ops->lib->stop_queue(intf->beacon->queue); + rt2x00queue_stop_queue(intf->beacon->queue); mutex_unlock(&intf->beacon_skb_mutex); return 0; } @@ -738,6 +738,125 @@ void rt2x00queue_index_inc(struct data_queue *queue, enum queue_index index) spin_unlock_irqrestore(&queue->index_lock, irqflags); } +void rt2x00queue_pause_queue(struct data_queue *queue) +{ + if (!test_bit(DEVICE_STATE_PRESENT, &queue->rt2x00dev->flags) || + !test_bit(QUEUE_STARTED, &queue->flags) || + test_and_set_bit(QUEUE_PAUSED, &queue->flags)) + return; + + switch (queue->qid) { + case QID_AC_BE: + case QID_AC_BK: + case QID_AC_VI: + case QID_AC_VO: + /* + * For TX queues, we have to disable the queue + * inside mac80211. + */ + ieee80211_stop_queue(queue->rt2x00dev->hw, queue->qid); + break; + default: + break; + } +} +EXPORT_SYMBOL_GPL(rt2x00queue_pause_queue); + +void rt2x00queue_unpause_queue(struct data_queue *queue) +{ + if (!test_bit(DEVICE_STATE_PRESENT, &queue->rt2x00dev->flags) || + !test_bit(QUEUE_STARTED, &queue->flags) || + !test_and_clear_bit(QUEUE_PAUSED, &queue->flags)) + return; + + switch (queue->qid) { + case QID_AC_BE: + case QID_AC_BK: + case QID_AC_VI: + case QID_AC_VO: + /* + * For TX queues, we have to enable the queue + * inside mac80211. + */ + ieee80211_wake_queue(queue->rt2x00dev->hw, queue->qid); + break; + default: + break; + } +} +EXPORT_SYMBOL_GPL(rt2x00queue_unpause_queue); + +void rt2x00queue_start_queue(struct data_queue *queue) +{ + mutex_lock(&queue->status_lock); + + if (!test_bit(DEVICE_STATE_PRESENT, &queue->rt2x00dev->flags) || + test_and_set_bit(QUEUE_STARTED, &queue->flags)) { + mutex_unlock(&queue->status_lock); + return; + } + + set_bit(QUEUE_PAUSED, &queue->flags); + + queue->rt2x00dev->ops->lib->start_queue(queue); + + rt2x00queue_unpause_queue(queue); + + mutex_unlock(&queue->status_lock); +} +EXPORT_SYMBOL_GPL(rt2x00queue_start_queue); + +void rt2x00queue_stop_queue(struct data_queue *queue) +{ + mutex_lock(&queue->status_lock); + + if (!test_and_clear_bit(QUEUE_STARTED, &queue->flags)) { + mutex_unlock(&queue->status_lock); + return; + } + + rt2x00queue_pause_queue(queue); + + queue->rt2x00dev->ops->lib->stop_queue(queue); + + mutex_unlock(&queue->status_lock); +} +EXPORT_SYMBOL_GPL(rt2x00queue_stop_queue); + +void rt2x00queue_start_queues(struct rt2x00_dev *rt2x00dev) +{ + struct data_queue *queue; + + /* + * rt2x00queue_start_queue will call ieee80211_wake_queue + * for each queue after is has been properly initialized. + */ + tx_queue_for_each(rt2x00dev, queue) + rt2x00queue_start_queue(queue); + + rt2x00queue_start_queue(rt2x00dev->rx); +} +EXPORT_SYMBOL_GPL(rt2x00queue_start_queues); + +void rt2x00queue_stop_queues(struct rt2x00_dev *rt2x00dev) +{ + struct data_queue *queue; + + /* + * rt2x00queue_stop_queue will call ieee80211_stop_queue + * as well, but we are completely shutting doing everything + * now, so it is much safer to stop all TX queues at once, + * and use rt2x00queue_stop_queue for cleaning up. + */ + ieee80211_stop_queues(rt2x00dev->hw); + + tx_queue_for_each(rt2x00dev, queue) + rt2x00queue_stop_queue(queue); + + rt2x00queue_stop_queue(rt2x00dev->rx); +} +EXPORT_SYMBOL_GPL(rt2x00queue_stop_queues); + static void rt2x00queue_reset(struct data_queue *queue) { unsigned long irqflags; @@ -756,14 +875,6 @@ static void rt2x00queue_reset(struct data_queue *queue) spin_unlock_irqrestore(&queue->index_lock, irqflags); } -void rt2x00queue_stop_queues(struct rt2x00_dev *rt2x00dev) -{ - struct data_queue *queue; - - txall_queue_for_each(rt2x00dev, queue) - rt2x00dev->ops->lib->stop_queue(queue); -} - void rt2x00queue_init_queues(struct rt2x00_dev *rt2x00dev) { struct data_queue *queue; @@ -905,6 +1016,7 @@ void rt2x00queue_uninitialize(struct rt2x00_dev *rt2x00dev) static void rt2x00queue_init(struct rt2x00_dev *rt2x00dev, struct data_queue *queue, enum data_queue_qid qid) { + mutex_init(&queue->status_lock); spin_lock_init(&queue->index_lock); queue->rt2x00dev = rt2x00dev; diff --git a/drivers/net/wireless/rt2x00/rt2x00queue.h b/drivers/net/wireless/rt2x00/rt2x00queue.h index 29b051ac6401..baa39b75430c 100644 --- a/drivers/net/wireless/rt2x00/rt2x00queue.h +++ b/drivers/net/wireless/rt2x00/rt2x00queue.h @@ -392,12 +392,32 @@ enum queue_index { }; /** + * enum data_queue_flags: Status flags for data queues + * + * @QUEUE_STARTED: The queue has been started. Fox RX queues this means the + * device might be DMA'ing skbuffers. TX queues will accept skbuffers to + * be transmitted and beacon queues will start beaconing the configured + * beacons. + * @QUEUE_PAUSED: The queue has been started but is currently paused. + * When this bit is set, the queue has been stopped in mac80211, + * preventing new frames to be enqueued. However, a few frames + * might still appear shortly after the pausing... + */ +enum data_queue_flags { + QUEUE_STARTED, + QUEUE_PAUSED, +}; + +/** * struct data_queue: Data queue * * @rt2x00dev: Pointer to main &struct rt2x00dev where this queue belongs to. * @entries: Base address of the &struct queue_entry which are * part of this queue. * @qid: The queue identification, see &enum data_queue_qid. + * @flags: Entry flags, see &enum queue_entry_flags. + * @status_lock: The mutex for protecting the start/stop/flush + * handling on this queue. * @index_lock: Spinlock to protect index handling. Whenever @index, @index_done or * @index_crypt needs to be changed this lock should be grabbed to prevent * index corruption due to concurrency. @@ -421,8 +441,11 @@ struct data_queue { struct queue_entry *entries; enum data_queue_qid qid; + unsigned long flags; + struct mutex status_lock; spinlock_t index_lock; + unsigned int count; unsigned short limit; unsigned short threshold; diff --git a/drivers/net/wireless/rt2x00/rt2x00usb.c b/drivers/net/wireless/rt2x00/rt2x00usb.c index d4361dc0773e..fca29ae57e71 100644 --- a/drivers/net/wireless/rt2x00/rt2x00usb.c +++ b/drivers/net/wireless/rt2x00/rt2x00usb.c @@ -261,6 +261,89 @@ static void rt2x00usb_kick_tx_entry(struct queue_entry *entry) } } +/* + * RX data handlers. + */ +static void rt2x00usb_work_rxdone(struct work_struct *work) +{ + struct rt2x00_dev *rt2x00dev = + container_of(work, struct rt2x00_dev, rxdone_work); + struct queue_entry *entry; + struct skb_frame_desc *skbdesc; + u8 rxd[32]; + + while (!rt2x00queue_empty(rt2x00dev->rx)) { + entry = rt2x00queue_get_entry(rt2x00dev->rx, Q_INDEX_DONE); + + if (test_bit(ENTRY_OWNER_DEVICE_DATA, &entry->flags)) + break; + + /* + * Fill in desc fields of the skb descriptor + */ + skbdesc = get_skb_frame_desc(entry->skb); + skbdesc->desc = rxd; + skbdesc->desc_len = entry->queue->desc_size; + + /* + * Send the frame to rt2x00lib for further processing. + */ + rt2x00lib_rxdone(entry); + } +} + +static void rt2x00usb_interrupt_rxdone(struct urb *urb) +{ + struct queue_entry *entry = (struct queue_entry *)urb->context; + struct rt2x00_dev *rt2x00dev = entry->queue->rt2x00dev; + + if (!test_and_clear_bit(ENTRY_OWNER_DEVICE_DATA, &entry->flags)) + return; + + /* + * Report the frame as DMA done + */ + rt2x00lib_dmadone(entry); + + /* + * Check if the received data is simply too small + * to be actually valid, or if the urb is signaling + * a problem. + */ + if (urb->actual_length < entry->queue->desc_size || urb->status) + set_bit(ENTRY_DATA_IO_FAILED, &entry->flags); + + /* + * Schedule the delayed work for reading the RX status + * from the device. + */ + ieee80211_queue_work(rt2x00dev->hw, &rt2x00dev->rxdone_work); +} + +static void rt2x00usb_kick_rx_entry(struct queue_entry *entry) +{ + struct rt2x00_dev *rt2x00dev = entry->queue->rt2x00dev; + struct usb_device *usb_dev = to_usb_device_intf(rt2x00dev->dev); + struct queue_entry_priv_usb *entry_priv = entry->priv_data; + int status; + + if (test_and_set_bit(ENTRY_OWNER_DEVICE_DATA, &entry->flags)) + return; + + usb_fill_bulk_urb(entry_priv->urb, usb_dev, + usb_rcvbulkpipe(usb_dev, entry->queue->usb_endpoint), + entry->skb->data, entry->skb->len, + rt2x00usb_interrupt_rxdone, entry); + + status = usb_submit_urb(entry_priv->urb, GFP_ATOMIC); + if (status) { + if (status == -ENODEV) + clear_bit(DEVICE_STATE_PRESENT, &rt2x00dev->flags); + set_bit(ENTRY_DATA_IO_FAILED, &entry->flags); + rt2x00lib_dmadone(entry); + } +} + void rt2x00usb_kick_queue(struct data_queue *queue) { switch (queue->qid) { @@ -272,6 +355,11 @@ void rt2x00usb_kick_queue(struct data_queue *queue) rt2x00queue_for_each_entry(queue, Q_INDEX_DONE, Q_INDEX, rt2x00usb_kick_tx_entry); break; + case QID_RX: + if (!rt2x00queue_full(queue)) + rt2x00queue_for_each_entry(queue, Q_INDEX_DONE, Q_INDEX, + rt2x00usb_kick_rx_entry); + break; default: break; } @@ -307,7 +395,6 @@ EXPORT_SYMBOL_GPL(rt2x00usb_stop_queue); static void rt2x00usb_watchdog_tx_dma(struct data_queue *queue) { struct rt2x00_dev *rt2x00dev = queue->rt2x00dev; - unsigned short threshold = queue->threshold; WARNING(queue->rt2x00dev, "TX queue %d DMA timed out," " invoke forced forced reset\n", queue->qid); @@ -315,18 +402,8 @@ static void rt2x00usb_watchdog_tx_dma(struct data_queue *queue) /* * Temporarily disable the TX queue, this will force mac80211 * to use the other queues until this queue has been restored. - * - * Set the queue threshold to the queue limit. This prevents the - * queue from being enabled during the txdone handler. */ - queue->threshold = queue->limit; - ieee80211_stop_queue(rt2x00dev->hw, queue->qid); - - /* - * Kill all entries in the queue, afterwards we need to - * wait a bit for all URBs to be cancelled. - */ - rt2x00usb_stop_queue(queue); + rt2x00queue_stop_queue(queue); /* * In case that a driver has overriden the txdone_work @@ -338,8 +415,7 @@ static void rt2x00usb_watchdog_tx_dma(struct data_queue *queue) * The queue has been reset, and mac80211 is allowed to use the * queue again. */ - queue->threshold = threshold; - ieee80211_wake_queue(rt2x00dev->hw, queue->qid); + rt2x00queue_start_queue(queue); } static void rt2x00usb_watchdog_tx_status(struct data_queue *queue) @@ -366,73 +442,12 @@ void rt2x00usb_watchdog(struct rt2x00_dev *rt2x00dev) EXPORT_SYMBOL_GPL(rt2x00usb_watchdog); /* - * RX data handlers. - */ -static void rt2x00usb_work_rxdone(struct work_struct *work) -{ - struct rt2x00_dev *rt2x00dev = - container_of(work, struct rt2x00_dev, rxdone_work); - struct queue_entry *entry; - struct skb_frame_desc *skbdesc; - u8 rxd[32]; - - while (!rt2x00queue_empty(rt2x00dev->rx)) { - entry = rt2x00queue_get_entry(rt2x00dev->rx, Q_INDEX_DONE); - - if (test_bit(ENTRY_OWNER_DEVICE_DATA, &entry->flags)) - break; - - /* - * Fill in desc fields of the skb descriptor - */ - skbdesc = get_skb_frame_desc(entry->skb); - skbdesc->desc = rxd; - skbdesc->desc_len = entry->queue->desc_size; - - /* - * Send the frame to rt2x00lib for further processing. - */ - rt2x00lib_rxdone(entry); - } -} - -static void rt2x00usb_interrupt_rxdone(struct urb *urb) -{ - struct queue_entry *entry = (struct queue_entry *)urb->context; - struct rt2x00_dev *rt2x00dev = entry->queue->rt2x00dev; - - if (!test_and_clear_bit(ENTRY_OWNER_DEVICE_DATA, &entry->flags)) - return; - - /* - * Report the frame as DMA done - */ - rt2x00lib_dmadone(entry); - - /* - * Check if the received data is simply too small - * to be actually valid, or if the urb is signaling - * a problem. - */ - if (urb->actual_length < entry->queue->desc_size || urb->status) - set_bit(ENTRY_DATA_IO_FAILED, &entry->flags); - - /* - * Schedule the delayed work for reading the RX status - * from the device. - */ - ieee80211_queue_work(rt2x00dev->hw, &rt2x00dev->rxdone_work); -} - -/* * Radio handlers */ void rt2x00usb_disable_radio(struct rt2x00_dev *rt2x00dev) { rt2x00usb_vendor_request_sw(rt2x00dev, USB_RX_CONTROL, 0, 0, REGISTER_TIMEOUT); - - rt2x00dev->ops->lib->stop_queue(rt2x00dev->rx); } EXPORT_SYMBOL_GPL(rt2x00usb_disable_radio); @@ -441,31 +456,10 @@ EXPORT_SYMBOL_GPL(rt2x00usb_disable_radio); */ void rt2x00usb_clear_entry(struct queue_entry *entry) { - struct usb_device *usb_dev = - to_usb_device_intf(entry->queue->rt2x00dev->dev); - struct queue_entry_priv_usb *entry_priv = entry->priv_data; - int pipe; - int status; - entry->flags = 0; - if (entry->queue->qid == QID_RX) { - pipe = usb_rcvbulkpipe(usb_dev, entry->queue->usb_endpoint); - usb_fill_bulk_urb(entry_priv->urb, usb_dev, pipe, - entry->skb->data, entry->skb->len, - rt2x00usb_interrupt_rxdone, entry); - - set_bit(ENTRY_OWNER_DEVICE_DATA, &entry->flags); - - status = usb_submit_urb(entry_priv->urb, GFP_ATOMIC); - if (status) { - if (status == -ENODEV) - clear_bit(DEVICE_STATE_PRESENT, - &entry->queue->rt2x00dev->flags); - set_bit(ENTRY_DATA_IO_FAILED, &entry->flags); - rt2x00lib_dmadone(entry); - } - } + if (entry->queue->qid == QID_RX) + rt2x00usb_kick_rx_entry(entry); } EXPORT_SYMBOL_GPL(rt2x00usb_clear_entry); |
