diff options
Diffstat (limited to 'drivers/net/wireless/rt2x00/rt2x00queue.h')
| -rw-r--r-- | drivers/net/wireless/rt2x00/rt2x00queue.h | 31 |
1 files changed, 26 insertions, 5 deletions
diff --git a/drivers/net/wireless/rt2x00/rt2x00queue.h b/drivers/net/wireless/rt2x00/rt2x00queue.h index c1e482bb37b..191e7775a9c 100644 --- a/drivers/net/wireless/rt2x00/rt2x00queue.h +++ b/drivers/net/wireless/rt2x00/rt2x00queue.h @@ -94,12 +94,15 @@ enum data_queue_qid { * 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, }; /** @@ -183,7 +186,6 @@ enum rxdone_entry_desc_flags { * @timestamp: RX Timestamp * @signal: Signal of the received frame. * @rssi: RSSI of the received frame. - * @noise: Measured noise during frame reception. * @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). @@ -197,7 +199,6 @@ struct rxdone_entry_desc { u64 timestamp; int signal; int rssi; - int noise; int size; int flags; int dev_flags; @@ -212,9 +213,16 @@ struct rxdone_entry_desc { /** * 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: Frame was successfully send using a fallback rate. + * @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. @@ -287,8 +295,8 @@ enum txentry_desc_flags { * * @flags: Descriptor flags (See &enum queue_entry_flags). * @queue: Queue identification (See &enum data_queue_qid). + * @length: Length of the entire frame. * @header_length: Length of 802.11 header. - * @l2pad: Amount of padding to align 802.11 payload to 4-byte boundrary. * @length_high: PLCP length high word. * @length_low: PLCP length low word. * @signal: PLCP signal. @@ -301,6 +309,7 @@ enum txentry_desc_flags { * @retry_limit: Max number of retries. * @aifs: AIFS value. * @ifs: IFS value. + * @txop: IFS value for 11n capable chips. * @cw_min: cwmin value. * @cw_max: cwmax value. * @cipher: Cipher type used for encryption. @@ -313,8 +322,8 @@ struct txentry_desc { enum data_queue_qid queue; + u16 length; u16 header_length; - u16 l2pad; u16 length_high; u16 length_low; @@ -330,6 +339,7 @@ struct txentry_desc { short retry_limit; short aifs; short ifs; + short txop; short cw_min; short cw_max; @@ -436,6 +446,8 @@ struct data_queue { enum data_queue_qid qid; spinlock_t lock; + unsigned long last_index; + unsigned long last_index_done; unsigned int count; unsigned short limit; unsigned short threshold; @@ -589,6 +601,15 @@ static inline int rt2x00queue_threshold(struct data_queue *queue) } /** + * rt2x00queue_timeout - Check if a timeout occured for this queue + * @queue: Queue to check. + */ +static inline int rt2x00queue_timeout(struct data_queue *queue) +{ + return time_after(queue->last_index, queue->last_index_done + (HZ / 10)); +} + +/** * _rt2x00_desc_read - Read a word from the hardware descriptor. * @desc: Base descriptor address * @word: Word index from where the descriptor should be read. |