RTS/CTS exchanges do not follow the RTS threshold

Okhwan Lee ohlee at mwnl.snu.ac.kr
Thu Oct 2 23:08:15 PDT 2014

 Hi all, 

As stated in the standard, if PSDU size is larger then the RTS threshold, 
the PSDU follows RTS/CTS exchange. 
However, based on our measurement, the RTS/CTS exchanges is decided based on the MSDU size. 
If A-MPDU is aggregated with multiple 1000 byte MPDUs, the A-MPDU is transmitted without RTS/CTS even if RTS threshold is set to 2347.

Additionaly, is there any function called when RTS or CTS received in ath10k or ath? Or RTS/CTS exchange is done by the firmware?

backport version: 3.16.1
firmware version: firmware-2.bin_10.1.467.2-1

Okhwan Lee,
Multimedia & Wireless Networking Lab. (MWNL),
Seoul National University (SNU).

Tel: +82-2-880-1755
Cell: +82-10-4632-1980
URL: http://mwnl.snu.ac.kr/~ohlee

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