[PATCHv2] ath10k: Enable adaptive CCA

Kennady Rajan, Maharaja c_mkenna at qti.qualcomm.com
Wed Oct 14 03:50:27 PDT 2015

> From: Maharaja <c_mkenna at qti.qualcomm.com>
>>> European Union has made it mandatory that all devices working in 2.4 GHz
>>> has to adhere to the ETSI specification (ETSI EN 300 328 V1.9.1)
>>> beginnig this year. The standard basically speaks about interferences
>>> in 2.4Ghz band.
>>> For example, when 802.11 device detects interference, TX must be stopped
>>> as long as interference is present.
>>> Adaptive CCA is a feature, when enabled the device learns from the
>>> environment and configures CCA levels adaptively. This will improve
>>> detecting interferences and the device can stop trasmissions till the
>>> interference is present eventually leading to good performances in
>>> varying interference conditions.
>>> The patch includes code for enabling adaptive CCA for 10.2.4 firmware on
>>> QCA988X.
>>> Signed-off-by: Maharaja Kennadyrajan <c_mkenna at qti.qualcomm.com>
>>> Signed-off-by: Manikanta Pubbisetty <c_mpubbi at qti.qualcomm.com>

>>Please do not send untested code:

>>In function 'ath10k_core_get_fw_feature_str',
>>    inlined from 'ath10k_core_get_fw_features_str' at
>>    drivers/net/wireless/ath/ath10k/core.c:184:41:
>>drivers/net/wireless/ath/ath10k/core.c:161:2: error: call to
>>    '__compiletime_assert_162' declared with attribute error:
>>    BUILD_BUG_ON failed: ARRAY_SIZE(ath10k_core_fw_feature_str) !=

>I have missed to add the wireless module in menuconfig while compilation. So I haven't see >the errors while running the compilation script. Now I changed and compilation error has >been resolved.

Apologize for that issue. I did the test cases by mistake. Regret for the inconvenience.


More information about the ath10k mailing list