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Bug #3366

closed

ifconfig wlan0 scan - S:N is 0 with iwm0

Added by mneumann 9 months ago. Updated 9 months ago.

Status:
Resolved
Priority:
Normal
Assignee:
-
Category:
-
Target version:
Start date:
04/01/2024
Due date:
% Done:

0%

Estimated time:

Description

When I scan for all access points, all their S:N (Signal to Noise Ratio) is reported as zero!

  1. /etc/rc.conf
    wlans_iwm0="wlan0"
    ifconfig_wlan0="DHCP WPA"

Doing a `ifconfig wlan0 scan` reports for example:

SSID/MESH ID BSSID CHAN RATE S:N INT CAPS
Bon House 7c:a1:07:12:86:c8 1 54M 0:0 200 EP HTCAP WPA RSN WME
Thang Long ... 6c:5a:b0:35:42:f9 1 54M 0:0 100 EPS RSN HTCAP WME ATH WPS
Quy's home c8:bf:4c:19:48:99 1 54M 0:0 100 EP WPA RSN WPS HTCAP WME
Long2003 a8:25:eb:20:c0:89 1 54M 0:0 100 EPS HTCAP WME ATH RSN WPA WPS
Redmi_Quyda... 88:c3:97:3a:f3:fa 1 54M 0:0 100 EP WPA RSN WPS HTCAP WME
DIRECT-6B-H... f6:39:09:5a:e4:6b 6 54M 0:0 100 EP RSN HTCAP WME WPS
DrayTek 16:49:bc:46:9c:84 6 54M 0:0 100 EPS RSN HTCAP WME
Tang 2 a8:02:db:f1:b6:2c 6 54M 0:0 100 EPS WPA RSN WPS HTCAP WME
0x54e1ba 50:0f:f5:35:9b:08 6 54M 0:0 100 EP HTCAP WPA RSN WME

Note that on FreeBSD 14.0, the S:N has proper values.

The iwm0 driver is recognized as:

iwm0: <Intel(R) Dual Band Wireless AC 8265> mem 0xdd100000-0xdd101fff at device 0.0 on pci58
iwm0: hw rev 0x230, fw ver 22.361476.0, address 98:2c:bc:36:61:e5

FYI, the fw version is identical to the one on FreeBSD 14 (different Laptop though).

I can connect to the network with iwm0. Just wondering if the access point selection might be sub-optimal
if S:N is unknown, or it might be just a "display" problem.

Tested it both on 6.4-STABLE and latest HEAD revision of master branch.

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