en:users:wi-fi-alliance-certification
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en:users:wi-fi-alliance-certification [2021/10/14 07:59] Reto Schneider [Driver development] Weird errors are probably due to broken HW |
en:users:wi-fi-alliance-certification [2021/10/18 08:29] Reto Schneider Add driver comparisation section |
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| | amd64, Edimax | DLink | Linux v5.12, 8192cu | 35 Mbits/s; 10% | 3m, direct line of sight | performance is stable high | https://mega.nz/folder/KIsmCBRR#rN9X9sXrdLo7It8qj8PQgQ | | | amd64, Edimax | DLink | Linux v5.12, 8192cu | 35 Mbits/s; 10% | 3m, direct line of sight | performance is stable high | https://mega.nz/folder/KIsmCBRR#rN9X9sXrdLo7It8qj8PQgQ | | ||
| | amd64, Edimax | DLink | Linux v5.12, 8192cu | 20 Mbits/s; 11% | 6m, direct line of sight | performance and retry are better than rtl8xxxu | https://mega.nz/folder/2Q1WBJqS#6dU1pQ9OXbveETqlfQcZ2w | | | amd64, Edimax | DLink | Linux v5.12, 8192cu | 20 Mbits/s; 11% | 6m, direct line of sight | performance and retry are better than rtl8xxxu | https://mega.nz/folder/2Q1WBJqS#6dU1pQ9OXbveETqlfQcZ2w | | ||
| + | |||
| + | ==== Driver Comparisation ==== | ||
| + | |||
| + | | **Criterion** | **rtl8xxxu** | **rtl8192cu** | **8192cu** | **Comment** | | ||
| + | | wlan.frag != 1 | rarely | often | never | Maybe a side-effect of failed transfers. Never sent by AP. | | ||
| + | | Block ACK Initiator | STA, then AP | AP, then AP | AP, then STA | | | ||
| + | | Block ACK Starting Sequence Control | oldest possible sequence # | | first non-acked sequence # | Should be benign, see https://gjermundraaen.com/2021/03/29/802-11-compressed-blockack-two-different-behaviors/ | | ||
| + | | A-MSDU | Permitted when ADDBA initiated by STA, not when by AP | alway permitted | never permitted | | | ||
| + | | Block ACK Timeout [1024 us] | 0x0 (disabled) | 0x1388 | 0x1388 | | | ||
| + | | wlan.qos.amsdupresent == 1 | some | | | | | ||
| + | |||
en/users/wi-fi-alliance-certification.txt ยท Last modified: 2021/11/10 00:43 by Reto Schneider
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