Date: Mon, 6 Oct 2025 00:17:46 +0300 From: Andriy Gapon <avg@FreeBSD.org> To: "Bjoern A. Zeeb" <bz@FreeBSD.org> Cc: src-committers@FreeBSD.org, dev-commits-src-all@FreeBSD.org, dev-commits-src-main@FreeBSD.org Subject: Re: git: 84e1eb50dd95 - main - net80211/regdomain: try to sort out TW Message-ID: <6ac028e4-80c0-4130-993f-910b77dcc777@FreeBSD.org> In-Reply-To: <pr937763-9722-6srr-r3qr-23993qq29485@SerrOFQ.bet> References: <202504121651.53CGpnEM060389@gitrepo.freebsd.org> <03504952-1691-447c-a502-1758c6792efe@FreeBSD.org> <pr937763-9722-6srr-r3qr-23993qq29485@SerrOFQ.bet>
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On 05/10/2025 22:32, Bjoern A. Zeeb wrote: > My limited understanding is that the SKUs were straight out of Atheros land > and in general would only be usable for one product a time. > There is very little help of them in regdomain.xml as the only place the > information makes sense is somewhere in the driver which needs to know which > SKU at which time was mapped to which regulatory setting. It seems that ifconfig also uses sku in some internal data structure (instead of a more natural key like 'name' or 'id'). So, if there are two entries with zero sku (or no sku, which is the same), then that can confuse ifconfig. In other words, it was okay to create an entry without sku but only once. So, we probably shouldn't do it until we retire those sku-s from regdomain altogether. > We may have to provide lots more of regulartory settings, especially for > JAPAN (50+ in theory now), in order to allow a proper mapping but we > are far away from this currently. If you look through sys/contrib/dev/athk/reg* > you can get a gimplse of what is involved. Thank you for the pointer! I now see that those magic sku-s match definitions in sys/dev/ath/ath_hal/ah_regdomain/ah_rd_regenum.h. That is, it's some Atheros private / proprietary stuff with no meaning outside of Atheros universe that somehow made its way into regdomain.xml. Probably there was a reason for it when FreeBSD WiFi support was in its infancy. Well, this would be another item in the list of strange, confusing, sub-optimal, incomplete and even wrong things about regdomain.xml. Maybe this is another area where we could admit that "Linux won" and try to switch to its regdb (which is much more complete and more readable at the same time). Thank you again. -- Andriy Gapon
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