On 7/21/2020 5:41 PM, Adrian Chadd wrote:
(cc'ing the list again, hehe :-)
On Tue, 21 Jul 2020 at 14:35, Aaron <notjanede...@gmail.com
<mailto:notjanede...@gmail.com>> wrote:
On 7/21/2020 5:33 PM, Adrian Chadd wrote:
Ok. Please do dig into it.
Do try to treat the regdomain code as a black box - input is
"what regulatory domain do we want" and the output is "a list of
channels and properties of those channels that we currently
program into net80211." Hopefully we don't have to change the
net80211 channel API!
This is the sort of information I'm looking for! So far all I'm
looking at is an XML file. Where would I find the "regdomain code"?
(We really should write a page in the wiki about regdomain stuff.)
So, here's my suggestion:
* get freebsd with a supported wifi card
* look at what happens when you type "ifconfig wlan0 create wlandev
XXX"; and then "ifconfig wlan0 regdomain FCC3"
* .. see what it does with the channel programming in
src/sbin/ifconfig/ and src/lib/lib80211/
* Also 'ifconfig wlan0 list sta" and "ifconfig -v wlan0 list sta"
in src/sbin/ifconfig/ifieee80211.c look at
setdefregdomain(), setregdomain_cb(), print_channels() and list_channels()
* print_channels() queries net80211 for the list of channels
* list_channels() calls it :-)
* setregdomain_cb() sucks in the lib80211 regdomain code, does a bunch
of hijinx, and then calls into net80211 using the
IEEE80211_IOC_REGDOMAIN ioctl to set the sku/country and the channel list.
-adrian
So much for limiting myself to XML parsing. I'll grab some source files
and take a look, I can code but might be too removed from what's being
done here to get my ahead around it. Thanks all.
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