diff options
Diffstat (limited to 'drivers/net/wireless/rt2x00/rt2x00queue.h')
| -rw-r--r-- | drivers/net/wireless/rt2x00/rt2x00queue.h | 20 |
1 files changed, 19 insertions, 1 deletions
diff --git a/drivers/net/wireless/rt2x00/rt2x00queue.h b/drivers/net/wireless/rt2x00/rt2x00queue.h index f79170849add..191e7775a9c0 100644 --- a/drivers/net/wireless/rt2x00/rt2x00queue.h +++ b/drivers/net/wireless/rt2x00/rt2x00queue.h @@ -213,9 +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. @@ -439,6 +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; @@ -592,6 +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. |