Comments (5)
All rates giving the same power output is the normal behavior. What's the bug?
from mt76.
Usually lower rates should give higher output power. Maybe the bug with parsing target rate power values from eeprom, or setting these values into chip?
from mt76.
If the amplifier is good enough and can make the target power work for higher rates as well, then lower rates will not have higher power. It also depends on the configured tx power.
from mt76.
sorry but i can't agree on this one. the device has external PA tied to mt7620a and as you can see from a test referenced in first post it still has slightly better range at lower rates despite the bug with 6 and 9 mbps rates. mt7612e operates with internal PA and my attempt to raise power by modifying eeprom to output 22dBm instead of 17 gave slightly better range but the tx rate dropped from 240-300 to 90-120 mbps affecting the real throughput. and going beyond 22dBm had no any effect on output power or range.
from mt76.
Per-rate power offsets are stored in the EEPROM based on the target power that the device is calibrated for. Hacking the EEPROM data to increase overall power will not adjust per-rate power limits accordingly, only a recalibration of the device for a higher target power will.
I still don't see any indication of a driver bug, and mt7620a behavior is not relevant here, because of big differences in hardware design.
from mt76.
Related Issues (20)
- mt7981 - mt798x-wmac 18000000.wifi: Message 00005aed timeout HOT 7
- Adding support for WDS when WED is enabled
- To introduce support of MT7902 HOT 6
- Will there be beamforming support added to the wireless driver for mt7622 in the future? HOT 12
- Compilation errors when building Mediatek M7921 WiFi driver on Fedora HOT 1
- mt7603: unstable traffic (stalls/hangs) under load (MT7603EN, MT7628AN) HOT 26
- mt798x: Crash with `multicast_to_unicast_all` set HOT 29
- MT7981/MT7975 AX STA doesn't receive messages from AP after sometime HOT 14
- WED support for mt7621? HOT 17
- mt7915e: airtime_link_metric_get traces HOT 1
- MT7986 OFDMA UL HOT 2
- MT7975DN + MT7905DAN with 10 dB less power than propietary drivers HOT 2
- MT7621+MT7613 Failed to release patch semaphore
- MT798X crash in mtk_wed_setup_tc_block_cb when multiple times channel switching HOT 1
- MT7603 (MT7628 board) - Many TX hang and Beacon Stuck + very low connection (4-15sec ping between nodes) HOT 4
- MT7922: Activation of network connection failed HOT 1
- MT7986 - MT6000 - 5GHz WiFi freezes - DHCP responses but no more internet connection HOT 1
- MT7986 - temporarily ping spikes and terrible WiFi performance - 5GHz, 160 MHz HOT 7
- MT7628/MT7603 - Use only one antenna HOT 3
- MT7921 MT7920 supported wifi mesh? HOT 2
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from mt76.