diff options
| author | Alagu Sankar <alagusankar@silex-india.com> | 2019-11-15 10:20:58 +0300 |
|---|---|---|
| committer | Kalle Valo <kvalo@codeaurora.org> | 2019-11-25 14:47:06 +0300 |
| commit | 8d985555ddaa6735c5d1f3d6e4d4d9cb47f27878 (patch) | |
| tree | c624537d898ea6b97d3375672e42106797d95a72 /drivers/net/wireless/ath/ath10k/sdio.h | |
| parent | 3c33a11a291303db4b96b5e39dfd54831937bfa5 (diff) | |
| download | linux-8d985555ddaa6735c5d1f3d6e4d4d9cb47f27878.tar.xz | |
ath10k: enable RX bundle receive for sdio
The existing implementation of initiating multiple sdio transfers for
receive bundling is slowing down the receive speed. Combining the
transfers using a bundle method would be ideal.
The transmission utilization ratio for sdio bus for small packet is
slow, because the space and time cost for sdio bus is same for large
length packet and small length packet. So the speed of data for large
length packet is higher than small length.
Test result of different length of data:
data packet(byte) cost time(us) calculated rate(Mbps)
256 28 73
512 33 124
1024 35 234
1792 45 318
14336 168 682
28672 333 688
57344 660 695
Tested with QCA6174 SDIO with firmware
WLAN.RMH.4.4.1-00017-QCARMSWPZ-1
Signed-off-by: Alagu Sankar <alagusankar@silex-india.com>
Signed-off-by: Wen Gong <wgong@codeaurora.org>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Diffstat (limited to 'drivers/net/wireless/ath/ath10k/sdio.h')
| -rw-r--r-- | drivers/net/wireless/ath/ath10k/sdio.h | 11 |
1 files changed, 9 insertions, 2 deletions
diff --git a/drivers/net/wireless/ath/ath10k/sdio.h b/drivers/net/wireless/ath/ath10k/sdio.h index b8c7ac0330bd..8d5b09f8b4f3 100644 --- a/drivers/net/wireless/ath/ath10k/sdio.h +++ b/drivers/net/wireless/ath/ath10k/sdio.h @@ -138,8 +138,8 @@ struct ath10k_sdio_irq_proc_regs { u8 rx_lookahead_valid; u8 host_int_status2; u8 gmbox_rx_avail; - __le32 rx_lookahead[2]; - __le32 rx_gmbox_lookahead_alias[2]; + __le32 rx_lookahead[2 * ATH10K_HIF_MBOX_NUM_MAX]; + __le32 int_status_enable; }; struct ath10k_sdio_irq_enable_regs { @@ -196,6 +196,13 @@ struct ath10k_sdio { struct ath10k *ar; struct ath10k_sdio_irq_data irq_data; + /* temporary buffer for sdio read. + * It is allocated when probe, and used for receive bundled packets, + * the read for bundled packets is not parallel, so it does not need + * protected. + */ + u8 *vsg_buffer; + /* temporary buffer for BMI requests */ u8 *bmi_buf; |