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[gentoo-user] mediatek mt7921: no AP?

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Jorge Almeida

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Jan 2, 2022, 4:30:03 PM1/2/22
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I just mounted a box with a ROG STRIX X570-E GAMING WIFI II
motherboard. I'm not a gamer; one of the reasons I chose this was the
build-in WiFi. Bad idea! The thing does not support AP mode, which I
need. Nothing in the mo manual suggests such a limitation.
Here are the details, in case someone with the same hw has a better
experience and would share it. Otherwise, it may be useful as a
warning. I know I will not purchase ASUS and/or Mediatek again.

Jorge Almeida

$ lshw
*-network
description: Wireless interface
product: MEDIATEK Corp.
vendor: MEDIATEK Corp.
physical id: 0
bus info: pci@0000:03:00.0
logical name: wnet2
version: 00
serial: b4:b5:b6:93:8d:7f
width: 64 bits
clock: 33MHz
capabilities: pciexpress msi pm bus_master
cap_list ethernet physical wireless
configuration: broadcast=yes driver=mt7921e
driverversion=5.15.12 firmware=____010000-20211014150922
ip=192.168.2.131 latency=0 link=no multicast=yes wireless=IEEE 802.11
resources: irq:99 memory:e0300000-e03fffff
memory:e0400000-e0403fff memory:e0404000-e0404fff

$ lsmod
xt_MASQUERADE 12288 1
iptable_nat 12288 1
nf_nat 36864 2 iptable_nat,xt_MASQUERADE
xt_connmark 12288 4
xt_helper 12288 110
xt_limit 12288 26
mt7921e 77824 0
mt76_connac_lib 28672 1 mt7921e
mt76 53248 2 mt7921e,mt76_connac_lib
mac80211 503808 3 mt76,mt7921e,mt76_connac_lib
cfg80211 372736 4 mt76,mt7921e,mac80211,mt76_connac_lib
igb 196608 0
rfkill 24576 1 cfg80211
i2c_piix4 20480 0

$ iw dev
phy#0
Interface wnet2
ifindex 6
wdev 0x1
addr b4:b5:b6:93:8d:7f
type managed
txpower 3.00 dBm
multicast TXQ:
qsz-byt qsz-pkt flows drops marks
overlmt hashcol tx-bytes tx-packets
0 0 0 0 0 0
0 0 0

$ iw list | grep "Supported interface modes" -A 8
Supported interface modes:
* managed
* monitor
Band 1:
Capabilities: 0x9ff
RX LDPC
HT20/HT40
SM Power Save disabled
RX Greenfield

Andrew Udvare

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Jan 3, 2022, 2:00:06 AM1/3/22
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I'm pretty sure none of these built-in wi-fis like that will support AP mode. They would much rather charge more for that feature. https://www.524wifi.com/index.php/network-modules-adapters/wifi-6-11-ax-modules/wle3000h2-11ax-4x4-mu-mimo-2-4ghz-qcn-9024-wifi-6-802-11ax-2-4-ghz-single-band-mini-pcie-module-compex.html


I own a similar motherboard but I don't use the wi-fi.

Jorge Almeida

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Jan 3, 2022, 2:40:03 AM1/3/22
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On Mon, Jan 3, 2022 at 6:53 AM Andrew Udvare <aud...@gmail.com> wrote:
>
> I'm pretty sure none of these built-in wi-fis like that will support AP mode. They would much rather charge more for that feature. https://www.524wifi.com/index.php/network-modules-adapters/wifi-6-11-ax-modules/wle3000h2-11ax-4x4-mu-mimo-2-4ghz-qcn-9024-wifi-6-802-11ax-2-4-ghz-single-band-mini-pcie-module-compex.html
>
> https://forum.openwrt.org/t/802-11ax-wifi-ap-mpci-e-cards/63577/2
>
>
Well, the joke is on me: I don't need anything very powerful, I use AP
just to connect smartphone to computer. Connection with the outside
world is via ethernet, as I prefer to keep disabled the wifi in the
the ISP-owned router.
Thanks for the links.
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