RX rate mis-reported?

[Yeoh Chun-Yeow]

Hi, Ben

I did have a submitted patch to correct the last_rx_rate due to the
missing of VHT flag:
http://www.spinics.net/lists/linux-wireless/msg119429.html

Maybe you can take a look on this.

-----
Chun-Yeow


On Sat, Mar 1, 2014 at 7:06 AM, Ben Greear <greearb at candelatech.com> wrote:
> As previously mentioned in the msdu thread, I was seeing funky rates
> at high speed when using my modified firmware and driver.
>
> But, on my AP system, which is using standard firmware and standard
> ath10k driver, I also see the rates show up improperly:
>
> [root at ath10k-2220 lanforge]# cat /debug/ieee80211/wiphy1/netdev\:vap1/stations/04\:f0\:21\:0e\:38\:41/last_rx_rate
> 6.0 MBit/s
> [root at ath10k-2220 lanforge]# cat /debug/ieee80211/wiphy1/netdev\:vap1/stations/04\:f0\:21\:0e\:38\:41/last_rx_rate
> 6.0 MBit/s
> [root at ath10k-2220 lanforge]# cat /debug/ieee80211/wiphy1/netdev\:vap1/stations/04\:f0\:21\:0e\:38\:41/last_rx_rate
> 6.0 MBit/s
> [root at ath10k-2220 lanforge]# cat /debug/ieee80211/wiphy1/netdev\:vap1/stations/04\:f0\:21\:0e\:38\:41/last_rx_rate
> 234.0 MBit/s
> [root at ath10k-2220 lanforge]# cat /debug/ieee80211/wiphy1/netdev\:vap1/stations/04\:f0\:21\:0e\:38\:41/last_rx_rate
> 234.0 MBit/s
> [root at ath10k-2220 lanforge]# cat /debug/ieee80211/wiphy1/netdev\:vap1/stations/04\:f0\:21\:0e\:38\:41/last_rx_rate
> 156.0 MBit/s
> [root at ath10k-2220 lanforge]# cat /debug/ieee80211/wiphy1/netdev\:vap1/stations/04\:f0\:21\:0e\:38\:41/last_rx_rate
> 234.0 MBit/s
> [root at ath10k-2220 lanforge]# cat /debug/ieee80211/wiphy1/netdev\:vap1/stations/04\:f0\:21\:0e\:38\:41/last_rx_rate
> 6.0 MBit/s
>
> This system was sustaining almost 400Mbps TCP download throughput, so it
> seems unlikely to me that the return rate would really be this low?
>
> I'd be interested to know what others see for rates when running higher-speed throughput...
>
> Thanks,
> Ben
>
> --
> Ben Greear <greearb at candelatech.com>
> Candela Technologies Inc  http://www.candelatech.com
>
>
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