diff options
Diffstat (limited to 'drivers/net/wireless/rt2x00/rt2x00queue.h')
| -rw-r--r-- | drivers/net/wireless/rt2x00/rt2x00queue.h | 686 |
1 files changed, 0 insertions, 686 deletions
diff --git a/drivers/net/wireless/rt2x00/rt2x00queue.h b/drivers/net/wireless/rt2x00/rt2x00queue.h deleted file mode 100644 index 2233b911a1d7..000000000000 --- a/drivers/net/wireless/rt2x00/rt2x00queue.h +++ /dev/null @@ -1,686 +0,0 @@ -/* - Copyright (C) 2004 - 2010 Ivo van Doorn <IvDoorn@gmail.com> - <http://rt2x00.serialmonkey.com> - - This program is free software; you can redistribute it and/or modify - it under the terms of the GNU General Public License as published by - the Free Software Foundation; either version 2 of the License, or - (at your option) any later version. - - This program is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - GNU General Public License for more details. - - You should have received a copy of the GNU General Public License - along with this program; if not, see <http://www.gnu.org/licenses/>. - */ - -/* - Module: rt2x00 - Abstract: rt2x00 queue datastructures and routines - */ - -#ifndef RT2X00QUEUE_H -#define RT2X00QUEUE_H - -#include <linux/prefetch.h> - -/** - * DOC: Entry frame size - * - * Ralink PCI devices demand the Frame size to be a multiple of 128 bytes, - * for USB devices this restriction does not apply, but the value of - * 2432 makes sense since it is big enough to contain the maximum fragment - * size according to the ieee802.11 specs. - * The aggregation size depends on support from the driver, but should - * be something around 3840 bytes. - */ -#define DATA_FRAME_SIZE 2432 -#define MGMT_FRAME_SIZE 256 -#define AGGREGATION_SIZE 3840 - -/** - * enum data_queue_qid: Queue identification - * - * @QID_AC_VO: AC VO queue - * @QID_AC_VI: AC VI queue - * @QID_AC_BE: AC BE queue - * @QID_AC_BK: AC BK queue - * @QID_HCCA: HCCA queue - * @QID_MGMT: MGMT queue (prio queue) - * @QID_RX: RX queue - * @QID_OTHER: None of the above (don't use, only present for completeness) - * @QID_BEACON: Beacon queue (value unspecified, don't send it to device) - * @QID_ATIM: Atim queue (value unspecified, don't send it to device) - */ -enum data_queue_qid { - QID_AC_VO = 0, - QID_AC_VI = 1, - QID_AC_BE = 2, - QID_AC_BK = 3, - QID_HCCA = 4, - QID_MGMT = 13, - QID_RX = 14, - QID_OTHER = 15, - QID_BEACON, - QID_ATIM, -}; - -/** - * enum skb_frame_desc_flags: Flags for &struct skb_frame_desc - * - * @SKBDESC_DMA_MAPPED_RX: &skb_dma field has been mapped for RX - * @SKBDESC_DMA_MAPPED_TX: &skb_dma field has been mapped for TX - * @SKBDESC_IV_STRIPPED: Frame contained a IV/EIV provided by - * mac80211 but was stripped for processing by the driver. - * @SKBDESC_NOT_MAC80211: Frame didn't originate from mac80211, - * don't try to pass it back. - * @SKBDESC_DESC_IN_SKB: The descriptor is at the start of the - * skb, instead of in the desc field. - */ -enum skb_frame_desc_flags { - SKBDESC_DMA_MAPPED_RX = 1 << 0, - SKBDESC_DMA_MAPPED_TX = 1 << 1, - SKBDESC_IV_STRIPPED = 1 << 2, - SKBDESC_NOT_MAC80211 = 1 << 3, - SKBDESC_DESC_IN_SKB = 1 << 4, -}; - -/** - * struct skb_frame_desc: Descriptor information for the skb buffer - * - * This structure is placed over the driver_data array, this means that - * this structure should not exceed the size of that array (40 bytes). - * - * @flags: Frame flags, see &enum skb_frame_desc_flags. - * @desc_len: Length of the frame descriptor. - * @tx_rate_idx: the index of the TX rate, used for TX status reporting - * @tx_rate_flags: the TX rate flags, used for TX status reporting - * @desc: Pointer to descriptor part of the frame. - * Note that this pointer could point to something outside - * of the scope of the skb->data pointer. - * @iv: IV/EIV data used during encryption/decryption. - * @skb_dma: (PCI-only) the DMA address associated with the sk buffer. - * @entry: The entry to which this sk buffer belongs. - */ -struct skb_frame_desc { - u8 flags; - - u8 desc_len; - u8 tx_rate_idx; - u8 tx_rate_flags; - - void *desc; - - __le32 iv[2]; - - dma_addr_t skb_dma; - - struct queue_entry *entry; -}; - -/** - * get_skb_frame_desc - Obtain the rt2x00 frame descriptor from a sk_buff. - * @skb: &struct sk_buff from where we obtain the &struct skb_frame_desc - */ -static inline struct skb_frame_desc* get_skb_frame_desc(struct sk_buff *skb) -{ - BUILD_BUG_ON(sizeof(struct skb_frame_desc) > - IEEE80211_TX_INFO_DRIVER_DATA_SIZE); - return (struct skb_frame_desc *)&IEEE80211_SKB_CB(skb)->driver_data; -} - -/** - * enum rxdone_entry_desc_flags: Flags for &struct rxdone_entry_desc - * - * @RXDONE_SIGNAL_PLCP: Signal field contains the plcp value. - * @RXDONE_SIGNAL_BITRATE: Signal field contains the bitrate value. - * @RXDONE_SIGNAL_MCS: Signal field contains the mcs value. - * @RXDONE_MY_BSS: Does this frame originate from device's BSS. - * @RXDONE_CRYPTO_IV: Driver provided IV/EIV data. - * @RXDONE_CRYPTO_ICV: Driver provided ICV data. - * @RXDONE_L2PAD: 802.11 payload has been padded to 4-byte boundary. - */ -enum rxdone_entry_desc_flags { - RXDONE_SIGNAL_PLCP = BIT(0), - RXDONE_SIGNAL_BITRATE = BIT(1), - RXDONE_SIGNAL_MCS = BIT(2), - RXDONE_MY_BSS = BIT(3), - RXDONE_CRYPTO_IV = BIT(4), - RXDONE_CRYPTO_ICV = BIT(5), - RXDONE_L2PAD = BIT(6), -}; - -/** - * RXDONE_SIGNAL_MASK - Define to mask off all &rxdone_entry_desc_flags flags - * except for the RXDONE_SIGNAL_* flags. This is useful to convert the dev_flags - * from &rxdone_entry_desc to a signal value type. - */ -#define RXDONE_SIGNAL_MASK \ - ( RXDONE_SIGNAL_PLCP | RXDONE_SIGNAL_BITRATE | RXDONE_SIGNAL_MCS ) - -/** - * struct rxdone_entry_desc: RX Entry descriptor - * - * Summary of information that has been read from the RX frame descriptor. - * - * @timestamp: RX Timestamp - * @signal: Signal of the received frame. - * @rssi: RSSI of the received frame. - * @size: Data size of the received frame. - * @flags: MAC80211 receive flags (See &enum mac80211_rx_flags). - * @dev_flags: Ralink receive flags (See &enum rxdone_entry_desc_flags). - * @rate_mode: Rate mode (See @enum rate_modulation). - * @cipher: Cipher type used during decryption. - * @cipher_status: Decryption status. - * @iv: IV/EIV data used during decryption. - * @icv: ICV data used during decryption. - */ -struct rxdone_entry_desc { - u64 timestamp; - int signal; - int rssi; - int size; - int flags; - int dev_flags; - u16 rate_mode; - u8 cipher; - u8 cipher_status; - - __le32 iv[2]; - __le32 icv; -}; - -/** - * enum txdone_entry_desc_flags: Flags for &struct txdone_entry_desc - * - * Every txdone report has to contain the basic result of the - * transmission, either &TXDONE_UNKNOWN, &TXDONE_SUCCESS or - * &TXDONE_FAILURE. The flag &TXDONE_FALLBACK can be used in - * conjunction with all of these flags but should only be set - * if retires > 0. The flag &TXDONE_EXCESSIVE_RETRY can only be used - * in conjunction with &TXDONE_FAILURE. - * - * @TXDONE_UNKNOWN: Hardware could not determine success of transmission. - * @TXDONE_SUCCESS: Frame was successfully send - * @TXDONE_FALLBACK: Hardware used fallback rates for retries - * @TXDONE_FAILURE: Frame was not successfully send - * @TXDONE_EXCESSIVE_RETRY: In addition to &TXDONE_FAILURE, the - * frame transmission failed due to excessive retries. - */ -enum txdone_entry_desc_flags { - TXDONE_UNKNOWN, - TXDONE_SUCCESS, - TXDONE_FALLBACK, - TXDONE_FAILURE, - TXDONE_EXCESSIVE_RETRY, - TXDONE_AMPDU, -}; - -/** - * struct txdone_entry_desc: TX done entry descriptor - * - * Summary of information that has been read from the TX frame descriptor - * after the device is done with transmission. - * - * @flags: TX done flags (See &enum txdone_entry_desc_flags). - * @retry: Retry count. - */ -struct txdone_entry_desc { - unsigned long flags; - int retry; -}; - -/** - * enum txentry_desc_flags: Status flags for TX entry descriptor - * - * @ENTRY_TXD_RTS_FRAME: This frame is a RTS frame. - * @ENTRY_TXD_CTS_FRAME: This frame is a CTS-to-self frame. - * @ENTRY_TXD_GENERATE_SEQ: This frame requires sequence counter. - * @ENTRY_TXD_FIRST_FRAGMENT: This is the first frame. - * @ENTRY_TXD_MORE_FRAG: This frame is followed by another fragment. - * @ENTRY_TXD_REQ_TIMESTAMP: Require timestamp to be inserted. - * @ENTRY_TXD_BURST: This frame belongs to the same burst event. - * @ENTRY_TXD_ACK: An ACK is required for this frame. - * @ENTRY_TXD_RETRY_MODE: When set, the long retry count is used. - * @ENTRY_TXD_ENCRYPT: This frame should be encrypted. - * @ENTRY_TXD_ENCRYPT_PAIRWISE: Use pairwise key table (instead of shared). - * @ENTRY_TXD_ENCRYPT_IV: Generate IV/EIV in hardware. - * @ENTRY_TXD_ENCRYPT_MMIC: Generate MIC in hardware. - * @ENTRY_TXD_HT_AMPDU: This frame is part of an AMPDU. - * @ENTRY_TXD_HT_BW_40: Use 40MHz Bandwidth. - * @ENTRY_TXD_HT_SHORT_GI: Use short GI. - * @ENTRY_TXD_HT_MIMO_PS: The receiving STA is in dynamic SM PS mode. - */ -enum txentry_desc_flags { - ENTRY_TXD_RTS_FRAME, - ENTRY_TXD_CTS_FRAME, - ENTRY_TXD_GENERATE_SEQ, - ENTRY_TXD_FIRST_FRAGMENT, - ENTRY_TXD_MORE_FRAG, - ENTRY_TXD_REQ_TIMESTAMP, - ENTRY_TXD_BURST, - ENTRY_TXD_ACK, - ENTRY_TXD_RETRY_MODE, - ENTRY_TXD_ENCRYPT, - ENTRY_TXD_ENCRYPT_PAIRWISE, - ENTRY_TXD_ENCRYPT_IV, - ENTRY_TXD_ENCRYPT_MMIC, - ENTRY_TXD_HT_AMPDU, - ENTRY_TXD_HT_BW_40, - ENTRY_TXD_HT_SHORT_GI, - ENTRY_TXD_HT_MIMO_PS, -}; - -/** - * struct txentry_desc: TX Entry descriptor - * - * Summary of information for the frame descriptor before sending a TX frame. - * - * @flags: Descriptor flags (See &enum queue_entry_flags). - * @length: Length of the entire frame. - * @header_length: Length of 802.11 header. - * @length_high: PLCP length high word. - * @length_low: PLCP length low word. - * @signal: PLCP signal. - * @service: PLCP service. - * @msc: MCS. - * @stbc: Use Space Time Block Coding (only available for MCS rates < 8). - * @ba_size: Size of the recepients RX reorder buffer - 1. - * @rate_mode: Rate mode (See @enum rate_modulation). - * @mpdu_density: MDPU density. - * @retry_limit: Max number of retries. - * @ifs: IFS value. - * @txop: IFS value for 11n capable chips. - * @cipher: Cipher type used for encryption. - * @key_idx: Key index used for encryption. - * @iv_offset: Position where IV should be inserted by hardware. - * @iv_len: Length of IV data. - */ -struct txentry_desc { - unsigned long flags; - - u16 length; - u16 header_length; - - union { - struct { - u16 length_high; - u16 length_low; - u16 signal; - u16 service; - enum ifs ifs; - } plcp; - - struct { - u16 mcs; - u8 stbc; - u8 ba_size; - u8 mpdu_density; - enum txop txop; - int wcid; - } ht; - } u; - - enum rate_modulation rate_mode; - - short retry_limit; - - enum cipher cipher; - u16 key_idx; - u16 iv_offset; - u16 iv_len; -}; - -/** - * enum queue_entry_flags: Status flags for queue entry - * - * @ENTRY_BCN_ASSIGNED: This entry has been assigned to an interface. - * As long as this bit is set, this entry may only be touched - * through the interface structure. - * @ENTRY_OWNER_DEVICE_DATA: This entry is owned by the device for data - * transfer (either TX or RX depending on the queue). The entry should - * only be touched after the device has signaled it is done with it. - * @ENTRY_DATA_PENDING: This entry contains a valid frame and is waiting - * for the signal to start sending. - * @ENTRY_DATA_IO_FAILED: Hardware indicated that an IO error occurred - * while transferring the data to the hardware. No TX status report will - * be expected from the hardware. - * @ENTRY_DATA_STATUS_PENDING: The entry has been send to the device and - * returned. It is now waiting for the status reporting before the - * entry can be reused again. - */ -enum queue_entry_flags { - ENTRY_BCN_ASSIGNED, - ENTRY_BCN_ENABLED, - ENTRY_OWNER_DEVICE_DATA, - ENTRY_DATA_PENDING, - ENTRY_DATA_IO_FAILED, - ENTRY_DATA_STATUS_PENDING, - ENTRY_DATA_STATUS_SET, -}; - -/** - * struct queue_entry: Entry inside the &struct data_queue - * - * @flags: Entry flags, see &enum queue_entry_flags. - * @last_action: Timestamp of last change. - * @queue: The data queue (&struct data_queue) to which this entry belongs. - * @skb: The buffer which is currently being transmitted (for TX queue), - * or used to directly receive data in (for RX queue). - * @entry_idx: The entry index number. - * @priv_data: Private data belonging to this queue entry. The pointer - * points to data specific to a particular driver and queue type. - * @status: Device specific status - */ -struct queue_entry { - unsigned long flags; - unsigned long last_action; - - struct data_queue *queue; - - struct sk_buff *skb; - - unsigned int entry_idx; - - u32 status; - - void *priv_data; -}; - -/** - * enum queue_index: Queue index type - * - * @Q_INDEX: Index pointer to the current entry in the queue, if this entry is - * owned by the hardware then the queue is considered to be full. - * @Q_INDEX_DMA_DONE: Index pointer for the next entry which will have been - * transferred to the hardware. - * @Q_INDEX_DONE: Index pointer to the next entry which will be completed by - * the hardware and for which we need to run the txdone handler. If this - * entry is not owned by the hardware the queue is considered to be empty. - * @Q_INDEX_MAX: Keep last, used in &struct data_queue to determine the size - * of the index array. - */ -enum queue_index { - Q_INDEX, - Q_INDEX_DMA_DONE, - Q_INDEX_DONE, - Q_INDEX_MAX, -}; - -/** - * 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. - * @tx_lock: Spinlock to serialize tx operations 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. - * @count: Number of frames handled in the queue. - * @limit: Maximum number of entries in the queue. - * @threshold: Minimum number of free entries before queue is kicked by force. - * @length: Number of frames in queue. - * @index: Index pointers to entry positions in the queue, - * use &enum queue_index to get a specific index field. - * @txop: maximum burst time. - * @aifs: The aifs value for outgoing frames (field ignored in RX queue). - * @cw_min: The cw min value for outgoing frames (field ignored in RX queue). - * @cw_max: The cw max value for outgoing frames (field ignored in RX queue). - * @data_size: Maximum data size for the frames in this queue. - * @desc_size: Hardware descriptor size for the data in this queue. - * @priv_size: Size of per-queue_entry private data. - * @usb_endpoint: Device endpoint used for communication (USB only) - * @usb_maxpacket: Max packet size for given endpoint (USB only) - */ -struct data_queue { - struct rt2x00_dev *rt2x00dev; - struct queue_entry *entries; - - enum data_queue_qid qid; - unsigned long flags; - - struct mutex status_lock; - spinlock_t tx_lock; - spinlock_t index_lock; - - unsigned int count; - unsigned short limit; - unsigned short threshold; - unsigned short length; - unsigned short index[Q_INDEX_MAX]; - - unsigned short txop; - unsigned short aifs; - unsigned short cw_min; - unsigned short cw_max; - - unsigned short data_size; - unsigned char desc_size; - unsigned char winfo_size; - unsigned short priv_size; - - unsigned short usb_endpoint; - unsigned short usb_maxpacket; -}; - -/** - * queue_end - Return pointer to the last queue (HELPER MACRO). - * @__dev: Pointer to &struct rt2x00_dev - * - * Using the base rx pointer and the maximum number of available queues, - * this macro will return the address of 1 position beyond the end of the - * queues array. - */ -#define queue_end(__dev) \ - &(__dev)->rx[(__dev)->data_queues] - -/** - * tx_queue_end - Return pointer to the last TX queue (HELPER MACRO). - * @__dev: Pointer to &struct rt2x00_dev - * - * Using the base tx pointer and the maximum number of available TX - * queues, this macro will return the address of 1 position beyond - * the end of the TX queue array. - */ -#define tx_queue_end(__dev) \ - &(__dev)->tx[(__dev)->ops->tx_queues] - -/** - * queue_next - Return pointer to next queue in list (HELPER MACRO). - * @__queue: Current queue for which we need the next queue - * - * Using the current queue address we take the address directly - * after the queue to take the next queue. Note that this macro - * should be used carefully since it does not protect against - * moving past the end of the list. (See macros &queue_end and - * &tx_queue_end for determining the end of the queue). - */ -#define queue_next(__queue) \ - &(__queue)[1] - -/** - * queue_loop - Loop through the queues within a specific range (HELPER MACRO). - * @__entry: Pointer where the current queue entry will be stored in. - * @__start: Start queue pointer. - * @__end: End queue pointer. - * - * This macro will loop through all queues between &__start and &__end. - */ -#define queue_loop(__entry, __start, __end) \ - for ((__entry) = (__start); \ - prefetch(queue_next(__entry)), (__entry) != (__end);\ - (__entry) = queue_next(__entry)) - -/** - * queue_for_each - Loop through all queues - * @__dev: Pointer to &struct rt2x00_dev - * @__entry: Pointer where the current queue entry will be stored in. - * - * This macro will loop through all available queues. - */ -#define queue_for_each(__dev, __entry) \ - queue_loop(__entry, (__dev)->rx, queue_end(__dev)) - -/** - * tx_queue_for_each - Loop through the TX queues - * @__dev: Pointer to &struct rt2x00_dev - * @__entry: Pointer where the current queue entry will be stored in. - * - * This macro will loop through all TX related queues excluding - * the Beacon and Atim queues. - */ -#define tx_queue_for_each(__dev, __entry) \ - queue_loop(__entry, (__dev)->tx, tx_queue_end(__dev)) - -/** - * txall_queue_for_each - Loop through all TX related queues - * @__dev: Pointer to &struct rt2x00_dev - * @__entry: Pointer where the current queue entry will be stored in. - * - * This macro will loop through all TX related queues including - * the Beacon and Atim queues. - */ -#define txall_queue_for_each(__dev, __entry) \ - queue_loop(__entry, (__dev)->tx, queue_end(__dev)) - -/** - * rt2x00queue_for_each_entry - Loop through all entries in the queue - * @queue: Pointer to @data_queue - * @start: &enum queue_index Pointer to start index - * @end: &enum queue_index Pointer to end index - * @data: Data to pass to the callback function - * @fn: The function to call for each &struct queue_entry - * - * This will walk through all entries in the queue, in chronological - * order. This means it will start at the current @start pointer - * and will walk through the queue until it reaches the @end pointer. - * - * If fn returns true for an entry rt2x00queue_for_each_entry will stop - * processing and return true as well. - */ -bool rt2x00queue_for_each_entry(struct data_queue *queue, - enum queue_index start, - enum queue_index end, - void *data, - bool (*fn)(struct queue_entry *entry, - void *data)); - -/** - * rt2x00queue_empty - Check if the queue is empty. - * @queue: Queue to check if empty. - */ -static inline int rt2x00queue_empty(struct data_queue *queue) -{ - return queue->length == 0; -} - -/** - * rt2x00queue_full - Check if the queue is full. - * @queue: Queue to check if full. - */ -static inline int rt2x00queue_full(struct data_queue *queue) -{ - return queue->length == queue->limit; -} - -/** - * rt2x00queue_free - Check the number of available entries in queue. - * @queue: Queue to check. - */ -static inline int rt2x00queue_available(struct data_queue *queue) -{ - return queue->limit - queue->length; -} - -/** - * rt2x00queue_threshold - Check if the queue is below threshold - * @queue: Queue to check. - */ -static inline int rt2x00queue_threshold(struct data_queue *queue) -{ - return rt2x00queue_available(queue) < queue->threshold; -} -/** - * rt2x00queue_dma_timeout - Check if a timeout occurred for DMA transfers - * @entry: Queue entry to check. - */ -static inline int rt2x00queue_dma_timeout(struct queue_entry *entry) -{ - if (!test_bit(ENTRY_OWNER_DEVICE_DATA, &entry->flags)) - return false; - return time_after(jiffies, entry->last_action + msecs_to_jiffies(100)); -} - -/** - * _rt2x00_desc_read - Read a word from the hardware descriptor. - * @desc: Base descriptor address - * @word: Word index from where the descriptor should be read. - * @value: Address where the descriptor value should be written into. - */ -static inline void _rt2x00_desc_read(__le32 *desc, const u8 word, __le32 *value) -{ - *value = desc[word]; -} - -/** - * rt2x00_desc_read - Read a word from the hardware descriptor, this - * function will take care of the byte ordering. - * @desc: Base descriptor address - * @word: Word index from where the descriptor should be read. - * @value: Address where the descriptor value should be written into. - */ -static inline void rt2x00_desc_read(__le32 *desc, const u8 word, u32 *value) -{ - __le32 tmp; - _rt2x00_desc_read(desc, word, &tmp); - *value = le32_to_cpu(tmp); -} - -/** - * rt2x00_desc_write - write a word to the hardware descriptor, this - * function will take care of the byte ordering. - * @desc: Base descriptor address - * @word: Word index from where the descriptor should be written. - * @value: Value that should be written into the descriptor. - */ -static inline void _rt2x00_desc_write(__le32 *desc, const u8 word, __le32 value) -{ - desc[word] = value; -} - -/** - * rt2x00_desc_write - write a word to the hardware descriptor. - * @desc: Base descriptor address - * @word: Word index from where the descriptor should be written. - * @value: Value that should be written into the descriptor. - */ -static inline void rt2x00_desc_write(__le32 *desc, const u8 word, u32 value) -{ - _rt2x00_desc_write(desc, word, cpu_to_le32(value)); -} - -#endif /* RT2X00QUEUE_H */ |