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ath10k: allow dynamic bandwidth in hw rate control 

Frames were never retransmitted with
different/lower bandwidths, e.g. only 80MHz
bandwidth was used when dealing with a VHT80
peer.

Allow HW rate control to try out different
bandwidths when retransmitting. This increases
robustness.

Also, document the parameter properly.

Signed-off-by: Michal Kazior <michal.kazior@tieto.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
This commit is contained in:
Michal Kazior 2013-11-13 11:05:10 +01:00 committed by Kalle Valo
parent 67e3c63fef
commit c4dd0d01da
2 changed files with 7 additions and 2 deletions
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2
drivers/net/wireless/ath/ath10k/mac.c
View File

@ -1964,7 +1964,7 @@ static int ath10k_start(struct ieee80211_hw *hw)
ath10k_warn("could not enable WMI_PDEV_PARAM_PMF_QOS (%d)\n",
ret);
ret = ath10k_wmi_pdev_set_param(ar, ar->wmi.pdev_param->dynamic_bw, 0);
ret = ath10k_wmi_pdev_set_param(ar, ar->wmi.pdev_param->dynamic_bw, 1);
if (ret)
ath10k_warn("could not init WMI_PDEV_PARAM_DYNAMIC_BW (%d)\n",
ret);

7
drivers/net/wireless/ath/ath10k/wmi.h
View File

@ -2234,7 +2234,12 @@ enum wmi_pdev_param {
* 0: no protection 1:use CTS-to-self 2: use RTS/CTS
*/
WMI_PDEV_PARAM_PROTECTION_MODE,
/* Dynamic bandwidth 0: disable 1: enable */
/*
* Dynamic bandwidth - 0: disable, 1: enable
*
* When enabled HW rate control tries different bandwidths when
* retransmitting frames.
*/
WMI_PDEV_PARAM_DYNAMIC_BW,
/* Non aggregrate/ 11g sw retry threshold.0-disable */
WMI_PDEV_PARAM_NON_AGG_SW_RETRY_TH,