en:users:wi-fi-alliance-certification
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en:users:wi-fi-alliance-certification [2021/08/23 03:36] Ming Shuo Chiu |
en:users:wi-fi-alliance-certification [2021/10/18 09:22] Reto Schneider [Table] Patch #8 wil not be upstreamed |
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| </code> | </code> | ||
| - | Unsure if this is a common issue. | + | <del>Unsure if this is a common issue.</del> Seems hardware specific - USB dongle probably broken. |
| == RX IQK failed == | == RX IQK failed == | ||
| Line 149: | Line 149: | ||
| </code> | </code> | ||
| - | Unsure if this is a common issue. | + | <del>Unsure if this is a common issue.</del> Seems hardware specific - USB dongle probably broken. |
| === Patches === | === Patches === | ||
| - | | **Number** | **Description** | **Link** | **Testing results (Reto)** | **Upstream State** | | + | | **Number** | **Description** | **Link** | **Testing results (Reto)** | **Upstream State** | |
| - | | 1 | Handle BSS_CHANGED_TXPOWER/IEEE80211_CONF_CHANGE_POWER | https://github.com/husqvarnagroup/linux/commit/798796ff5070255a7cccc7529c272b629da79d7b | | | | + | | 1 | Handle BSS_CHANGED_TXPOWER/IEEE80211_CONF_CHANGE_POWER | https://github.com/husqvarnagroup/linux/commit/798796ff5070255a7cccc7529c272b629da79d7b | | | |
| - | | 2 | Handle for mac80211 get_txpower | https://github.com/husqvarnagroup/linux/commit/5df123ce78422b76603eedf799fc50f5e3303011 | | | | + | | 2 | Handle for mac80211 get_txpower | https://github.com/husqvarnagroup/linux/commit/5df123ce78422b76603eedf799fc50f5e3303011 | | | |
| - | | 3 | Enable RX STBC by default | https://github.com/husqvarnagroup/linux/commit/4efe4bf653a14b61ff9b3969050bc696976415eb | | | | + | | 3 | Enable RX STBC by default | https://github.com/husqvarnagroup/linux/commit/4efe4bf653a14b61ff9b3969050bc696976415eb | | | |
| - | | 4 | Feed antenna information for mac80211 | https://github.com/husqvarnagroup/linux/commit/070d0eca2dbe8086a215c33f6d3ee10cfe9a17cc | | | | + | | 4 | Feed antenna information for mac80211 | https://github.com/husqvarnagroup/linux/commit/070d0eca2dbe8086a215c33f6d3ee10cfe9a17cc | | | |
| - | | 5 | Fill up txrate info for all chips | https://github.com/husqvarnagroup/linux/commit/fa14d07da5566c8abebccd68473ddc17e908be45 | | | | + | | 5 | Fill up txrate info for all chips | https://github.com/husqvarnagroup/linux/commit/fa14d07da5566c8abebccd68473ddc17e908be45 | | | |
| - | | 6 | Fix the reported rx signal strength | https://github.com/husqvarnagroup/linux/commit/95f19fff95a62ab67ecc50d75e8c59669f936bd2 | | | | + | | 6 | Fix the reported rx signal strength | https://github.com/husqvarnagroup/linux/commit/95f19fff95a62ab67ecc50d75e8c59669f936bd2 | | | |
| - | | 7 | Fix the handling of TX A-MPDU aggregation | https://lore.kernel.org/linux-wireless/20210630160151.28227-1-chris.chiu@canonical.com/#t | GARDENA gateway: Improves TX throughtput, but worsens retry percentage; Reverse issue for RX. | WIP | | + | | 7 | Fix the handling of TX A-MPDU aggregation | https://lore.kernel.org/linux-wireless/20210804151325.86600-1-chris.chiu@canonical.com/ | GARDENA gateway: Improves TX throughput, but worsens retry percentage; Reverse issue for RX. | Merged | |
| - | | 8 | Improve the retransmission rate with HW_RTS enable | https://github.com/husqvarnagroup/linux/commit/31a00cbf0245877e9a98cdec6903758a928482e5 | GARDENA gateway: Neither troughput nor retry percentage improved | | | + | | 8 | Improve the retransmission rate with HW_RTS enable | https://github.com/husqvarnagroup/linux/commit/31a00cbf0245877e9a98cdec6903758a928482e5 | GARDENA gateway: Neither throughput nor retry percentage improved | | |
| - | | 9 | Set RTS rate to 24M for AMPDU | https://github.com/husqvarnagroup/linux/commit/b35338e600b003f830c4533c162a53c57d9d34d2 | GARDENA gateway: no positive effectes observable | | | + | | 9 | Set RTS rate to 24M for AMPDU | https://github.com/husqvarnagroup/linux/commit/b35338e600b003f830c4533c162a53c57d9d34d2 | GARDENA gateway: No positive effects observable | will not be upstreamed | |
| - | | 10 | Reduce number of USB interrupts | https://lore.kernel.org/linux-wireless/d32690a6-f679-c676-1461-10b47ae3428b@gmail.com/T/#t | Clearly improves throughput and retries | ACKed by maintainer | | + | | 10 | Reduce number of USB interrupts | https://lore.kernel.org/linux-wireless/d32690a6-f679-c676-1461-10b47ae3428b@gmail.com/ | GARDENA gateway: Clearly improves throughput and retries | Merged | |
| + | | 11 | Use lower tx rates for the ack packet | https://lore.kernel.org/linux-wireless/20211001040044.1028708-1-chris.chiu@canonical.com/ | GARDENA gateway: Neither throughput nor retry percentage improved | Merged | | ||
| ==== Driver Testing ==== | ==== Driver Testing ==== | ||
| Line 218: | Line 219: | ||
| === Chris === | === Chris === | ||
| - | |||
| - | |||
| - | |||
| - | == TCP TX Throughput == | ||
| - | |||
| - | | **DUT** | **AP** | **Driver** | **Throughput [Mbits/sec]; retries [%]** | **AP <-> DUT** | **Notes** | **PCAP** | | ||
| - | | amd64, Edimax | DLink | Linux v5.13.1 rtl8xxxu | 23~27 Mbits/s; 12~14% | 3m, direct line of sight | performance drop for a few seconds | https://mega.nz/folder/LI0ATTAK#0E2J5DHksD1jQi1oJCOJWg | | ||
| - | | amd64, Edimax | DLink | Linux v5.13.1 rtl8xxxu | 7-14 Mbits/s; 16~20% | 6m, direct line of sight | performance drop to 0 sometimes | https://mega.nz/folder/vMdgADRD#XHljNHbzzlp63qqFsT-rkQ | | ||
| - | | amd64, Edimax | DLink | Linux v5.12, 8192cu (https://github.com/mschiu77/rtl8188cus_vendor.git master) | 40~42 Mbits/s; 9% | 3m, direct line of sight | steady performance | https://mega.nz/folder/GAcwnDjY#Xf9lVMriWcPpIUACjuZiqg | | ||
| - | | amd64, Edimax | DLink | Linux v5.12, 8192cu ((https://github.com/mschiu77/rtl8188cus_vendor.git master) | 13-16 Mbits/s; 20~23% | 6m, direct line of sight | steady throughput w/o sudden drop | https://mega.nz/folder/HZ8iQRqY#2ss6WW9u6oxInJvT2R6iCw | | ||
| - | |||
| - | == TCP RX Throughput == | ||
| == Setup == | == Setup == | ||
| Line 249: | Line 238: | ||
| - | | **DUT** | **AP** | **Driver** | **Throughput [Mbits/sec]; retries [%]** | **AP <-> DUT** | **Notes** | **PCAP** | | + | == TCP TX Throughput == |
| - | | amd64, Edimax | DLink | Linux v5.13.1 rtl8xxxu | 36 Mbits/s; 12% | 3m, direct line of sight | performance is stable high | https://mega.nz/folder/3Zs0nDrK#i1fnW6Bp5E_jeC3dcPlWaw | | + | |
| - | | amd64, Edimax | DLink | Linux v5.13.1 rtl8xxxu | 16 Mbits/s; 30% | 6m, direct line of sight | performance is stably low | https://mega.nz/folder/TcsQAZoI#VbQiPZF1B7EJK1_82x2kOg | | + | | **DUT** | **AP** | **Driver** | **Throughput [Mbits/sec]; retries [%]** | **AP <-> DUT** | **Notes** | **PCAP** | |
| + | | amd64, Edimax | DLink | Linux v5.13.1 rtl8xxxu | 23~27 Mbits/s; 12~14% | 3m, direct line of sight | performance drop for a few seconds | https://mega.nz/folder/LI0ATTAK#0E2J5DHksD1jQi1oJCOJWg | | ||
| + | | amd64, Edimax | DLink | Linux v5.13.1 rtl8xxxu | 7-14 Mbits/s; 16~20% | 6m, direct line of sight | performance drop to 0 sometimes | https://mega.nz/folder/vMdgADRD#XHljNHbzzlp63qqFsT-rkQ | | ||
| + | | amd64, Edimax | DLink | Linux v5.12, 8192cu (https://github.com/mschiu77/rtl8188cus_vendor.git master) | 40~42 Mbits/s; 9% | 3m, direct line of sight | steady performance | https://mega.nz/folder/GAcwnDjY#Xf9lVMriWcPpIUACjuZiqg | | ||
| + | | amd64, Edimax | DLink | Linux v5.12, 8192cu ((https://github.com/mschiu77/rtl8188cus_vendor.git master) | 13-16 Mbits/s; 20~23% | 6m, direct line of sight | steady throughput w/o sudden drop | https://mega.nz/folder/HZ8iQRqY#2ss6WW9u6oxInJvT2R6iCw | | ||
| + | |||
| + | == TCP RX Throughput == | ||
| + | |||
| + | | **DUT** | **AP** | **Driver** | **Throughput [Mbits/sec]; retries [%]** | **AP <-> DUT** | **Notes** | **PCAP** | | ||
| + | | amd64, Edimax | DLink | Linux v5.13.1 rtl8xxxu | 36 Mbits/s; 12% | 3m, direct line of sight | performance is stable high | https://mega.nz/folder/3Zs0nDrK#i1fnW6Bp5E_jeC3dcPlWaw | | ||
| + | | amd64, Edimax | DLink | Linux v5.13.1 rtl8xxxu | 16 Mbits/s; 30% | 6m, direct line of sight | performance is stably low | https://mega.nz/folder/TcsQAZoI#VbQiPZF1B7EJK1_82x2kOg | | ||
| + | | 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 | | ||
| + | |||
| + | ==== 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 · Last modified: 2021/11/10 00:43 by Reto Schneider
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