[Bug 245304] iwm(4): Add support for Intel 9262 (iwm) wireless devices

[bugzilla-noreply at freebsd.org]

https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=245304

Adriaan de Groot <adridg at freebsd.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |adridg at freebsd.org

--- Comment #4 from Adriaan de Groot <adridg at freebsd.org> ---
In Linux, shows up from lspci as

```
00:14.3 Network controller: Intel Corporation Wireless-AC 9462
        Subsystem: Intel Corporation Device 0034
        Flags: bus master, fast devsel, latency 0, IRQ 16
        Memory at 6025104000 (64-bit, non-prefetchable) [size=16K]
        Capabilities: [c8] Power Management version 3
        Capabilities: [d0] MSI: Enable- Count=1/1 Maskable- 64bit+
        Capabilities: [40] Express Root Complex Integrated Endpoint, MSI 00
        Capabilities: [80] MSI-X: Enable+ Count=16 Masked-
        Capabilities: [100] Latency Tolerance Reporting
        Capabilities: [164] Vendor Specific Information: ID=0010 Rev=0 Len=014
<?>
        Kernel driver in use: iwlwifi
        Kernel modules: iwlwifi
```

with dmesg showing

```
[    5.627409] iwlwifi 0000:00:14.3: Direct firmware load for
iwlwifi-QuZ-a0-jf-b0-52.ucode failed with error -2
[    5.627551] iwlwifi 0000:00:14.3: Direct firmware load for
iwlwifi-QuZ-a0-jf-b0-51.ucode failed with error -2
[    5.627564] iwlwifi 0000:00:14.3: Direct firmware load for
iwlwifi-QuZ-a0-jf-b0-50.ucode failed with error -2
[    5.627575] iwlwifi 0000:00:14.3: Direct firmware load for
iwlwifi-QuZ-a0-jf-b0-49.ucode failed with error -2
[    5.666325] iwlwifi 0000:00:14.3: TLV_FW_FSEQ_VERSION: FSEQ Version:
43.2.23.17
[    5.666487] iwlwifi 0000:00:14.3: loaded firmware version 48.4fa0041f.0
op_mode iwlmvm
[    6.006106] iwlwifi 0000:00:14.3: Detected Intel(R) Wireless-AC 9560 160MHz,
REV=0x354
[    6.164232] iwlwifi 0000:00:14.3: base HW address: 0c:dd:24:39:77:7c
[    6.827915] iwlwifi 0000:00:14.3 wlp0s20f3: renamed from wlan0
[    7.725416] iwlwifi 0000:00:14.3: BIOS contains WGDS but no WRDS
[    7.892586] iwlwifi 0000:00:14.3: BIOS contains WGDS but no WRDS
[   37.470805] iwlwifi 0000:00:14.3: BIOS contains WGDS but no WRDS
[   37.674667] iwlwifi 0000:00:14.3: BIOS contains WGDS but no WRDS
[   41.130784] iwlwifi 0000:00:14.3: BIOS contains WGDS but no WRDS
```

The device is *physically* labelled (on the m2 card in my laptop) as 9560.
Adding the 0x02f0 device ID to the `iwm` driver -- and a config struct,

```
?       sys/contrib/dev/iwm/iwm-9462-48.fw.uu
M       sys/dev/iwm/if_iwm.c
?       sys/dev/iwm/if_iwm_9462.c
M       sys/dev/iwm/if_iwm_config.h
M       sys/modules/iwm/Makefile
M       sys/modules/iwmfw/Makefile
?       sys/modules/iwmfw/iwm9462fw
```

got me quickly to iwm trying to load some firmware and failing: `unknown
firmware section 55`. The firmware I was trying to load was
iwlwifi-QuZ-a0-jf-b0-48.ucode -- based on that **that** file exists in my Linux
installation on the laptop, and the errors in dmesg.

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