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| author | Peter Oh <poh@qca.qualcomm.com> | 2015-10-05 17:56:40 +0300 |
|---|---|---|
| committer | Kalle Valo <kvalo@qca.qualcomm.com> | 2015-10-06 15:04:12 +0300 |
| commit | 683b95e8071603b4e945cb26dcae0308457ec478 (patch) | |
| tree | 9438b8008f1d4e526a98542b0dbe666d3702cb7e /drivers/net/wireless/ath/ath10k/htt.h | |
| parent | bc27e8cddda69daa324318ffe3d2e1badad07775 (diff) | |
| download | talos-obmc-linux-683b95e8071603b4e945cb26dcae0308457ec478.tar.gz talos-obmc-linux-683b95e8071603b4e945cb26dcae0308457ec478.zip | |
ath10k: use pre-allocated DMA buffer in Tx
ath10k driver is using dma_pool_alloc per packet and dma_pool_free
in coresponding at Tx completion.
Use of pre-allocated DMA buffer in Tx will improve saving CPU resource
by 5% while it consumes about 56KB memory more as trade off.
Signed-off-by: Peter Oh <poh@qca.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 | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/drivers/net/wireless/ath/ath10k/htt.h b/drivers/net/wireless/ath/ath10k/htt.h index 5a8e4eae7a9c..db0a99b4e9d9 100644 --- a/drivers/net/wireless/ath/ath10k/htt.h +++ b/drivers/net/wireless/ath/ath10k/htt.h @@ -1488,7 +1488,6 @@ struct ath10k_htt { int num_pending_mgmt_tx; struct idr pending_tx; wait_queue_head_t empty_tx_wq; - struct dma_pool *tx_pool; /* set if host-fw communication goes haywire * used to avoid further failures */ @@ -1509,6 +1508,11 @@ struct ath10k_htt { dma_addr_t paddr; struct htt_msdu_ext_desc *vaddr; } frag_desc; + + struct { + dma_addr_t paddr; + struct ath10k_htt_txbuf *vaddr; + } txbuf; }; #define RX_HTT_HDR_STATUS_LEN 64 |
