Re: How to disable power save (iwlwifi / brcmfmac)

[Arend van Spriel <arend.vanspriel@broadcom.com>]

On 10/31/2024 10:41 AM, Martin Petzold wrote:
> Dear Arend,
> 
> Am 30.10.24 um 20:54 schrieb Martin Petzold:
>> Hi,
>>
>> to disable "power save" with NetworkManager I used:
>>
>> -----
>>
>> [connection]
>> wifi.powersave = 2
>>
>> -----
>>
>> However, using IWD (with iwlwifi or brcmfmac) I don't know how to get 
>> this set:
> 
> I can't find any specific parameter using "modinfo brcmfmac". Does 
> BCM4339 (Laird LWB 5) with brcmfmac (6.1.36) support power save?

sure it does.

> Then it maybe could make sense to switch this off by using "sudo iw 
> wlan0 set power_save off" or IWD configuration parameter 
> "PowerSaveDisable=brcmfmac" in case there is some trouble with 
> connection or roaming. We have a very strict web socket ping/pong (no 
> loss accepted) this worked very well for years, however, it seems our 
> problems are related to this (maybe single package losses, which may 
> happen with power save enabled).

okay. Not sure if there is further question being asked here.

Regards,
Arend