Date: Wed, 12 Jun 2024 14:28:46 +0000 (UTC) From: "Bjoern A. Zeeb" <bz@FreeBSD.org> To: Roger Marquis <marquis@roble.com> Cc: freebsd-arch@freebsd.org Subject: Re: Kernel device for iwlwifi in 13.3? Message-ID: <or23n70r-p5n0-8104-o89q-262p486qn284@SerrOFQ.bet> In-Reply-To: <09q5s28q-np09-73r0-9352-9p6333r830o9@mx.roble.com> References: <s67598s7-pqo4-p840-1p33-61r57p401440@mx.roble.com> <F9175D79-3B6A-4E1F-BC10-FC347BB2B1DA@gmail.com> <09q5s28q-np09-73r0-9352-9p6333r830o9@mx.roble.com>
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On Sun, 9 Jun 2024, Roger Marquis wrote:
> WITHOUT_WIRELESS=yes in /etc/src.conf didn't prevent the creation of
> iwlwifi .ko files (on 13.3-RELEASE). Interestingly though, other
> WITHOUT_ settings did prevent the creation of their respective modules.
> Why the different behavior and can these modules can be simply deleted?
Because I missed that we have a kernel side knob as well? Though please
read on...
I'll look into it if it is indeed so but on a quick glance in man
src.conf you would want WITHOUT_WIRELESS_SUPPORT.
man src.conf
WITHOUT_WIRELESS
Do not build programs used for 802.11 wireless networks;
especially wpa_supplicant(8) and hostapd(8). When set, these
options are also in effect:
WITHOUT_WIRELESS_SUPPORT (unless WITH_WIRELESS_SUPPORT is set
explicitly)
WITHOUT_WIRELESS_SUPPORT
Build libraries, programs, and kernel modules without 802.11
wireless support.
But neither of the WIRELESS[_SUPPORT] knobs seem to be applied anywahere in
sys/modules at this point, so iwlwifi is no special but all kernel wifi
modules would be built.
% grep -r WIRELESS sys/modules/
%
> Also wondering why there is no iwl* in /usr/src/sys/amd64/conf/* and
> what, if anything,
Because it is a non-essential driver to boot and so we only build it as
a module which is a continuation of that people once started in order to
get GENERIC size down. The module will be loaded at run-time
automatically (in a default setup) if such a card is found in the system
and the driver will then automatically load its firmware (which will
hopefully eventually also not be in base anymore).
/bz
--
Bjoern A. Zeeb r15:7
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