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| author | Rajkumar Manoharan <rmanohar@qti.qualcomm.com> | 2016-03-22 14:52:11 +0300 |
|---|---|---|
| committer | Kalle Valo <kvalo@qca.qualcomm.com> | 2016-04-04 17:03:07 +0300 |
| commit | 59465fe46ef1c2caf2c1beca828c4f29d28b98ca (patch) | |
| tree | aee8a30ba4ed82d513d4aafcca1408dca765b820 /drivers/net/wireless/ath/ath10k/htt.h | |
| parent | f9575793d44ce68b574d9d8ffb9813eb05c3fd2b (diff) | |
| download | linux-59465fe46ef1c2caf2c1beca828c4f29d28b98ca.tar.xz | |
ath10k: speedup htt rx descriptor processing for tx completion
To optimize CPU usage htt rx descriptors will be reused instead of
refilling it for htt rx copy engine (CE5). To support that all htt rx
indications should be processed at same context. FIFO queue is used
to maintain tx completion status for each msdu. This helps to retain
the order of tx completion.
Signed-off-by: Rajkumar Manoharan <rmanohar@qti.qualcomm.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
Diffstat (limited to 'drivers/net/wireless/ath/ath10k/htt.h')
| -rw-r--r-- | drivers/net/wireless/ath/ath10k/htt.h | 18 |
1 files changed, 13 insertions, 5 deletions
diff --git a/drivers/net/wireless/ath/ath10k/htt.h b/drivers/net/wireless/ath/ath10k/htt.h index d196bcc50e50..76c4bae0b434 100644 --- a/drivers/net/wireless/ath/ath10k/htt.h +++ b/drivers/net/wireless/ath/ath10k/htt.h @@ -22,6 +22,7 @@ #include <linux/interrupt.h> #include <linux/dmapool.h> #include <linux/hashtable.h> +#include <linux/kfifo.h> #include <net/mac80211.h> #include "htc.h" @@ -1526,10 +1527,15 @@ struct htt_resp { /*** host side structures follow ***/ struct htt_tx_done { - u32 msdu_id; - bool discard; - bool no_ack; - bool success; + u16 msdu_id; + u16 status; +}; + +enum htt_tx_compl_state { + HTT_TX_COMPL_STATE_NONE, + HTT_TX_COMPL_STATE_ACK, + HTT_TX_COMPL_STATE_NOACK, + HTT_TX_COMPL_STATE_DISCARD, }; struct htt_peer_map_event { @@ -1650,6 +1656,9 @@ struct ath10k_htt { struct idr pending_tx; wait_queue_head_t empty_tx_wq; + /* FIFO for storing tx done status {ack, no-ack, discard} and msdu id */ + DECLARE_KFIFO_PTR(txdone_fifo, struct htt_tx_done); + /* set if host-fw communication goes haywire * used to avoid further failures */ bool rx_confused; @@ -1658,7 +1667,6 @@ struct ath10k_htt { /* This is used to group tx/rx completions separately and process them * in batches to reduce cache stalls */ struct tasklet_struct txrx_compl_task; - struct sk_buff_head tx_compl_q; struct sk_buff_head rx_compl_q; struct sk_buff_head rx_in_ord_compl_q; struct sk_buff_head tx_fetch_ind_q; |