Re: Netlink Question

["C. McPherson" <ccmcphe@verizon.net>]

On 08/12/2014 05:32 AM, Krishna Chaitanya wrote:
> On Tue, Aug 12, 2014 at 2:12 PM, Arend van Spriel <arend@broadcom.com> wrote:
>> + linux-wireless
>>
>> Not really a backports question so adding linux-wireless
>>
>> On 08/11/2014 09:21 PM, C. McPherson wrote:
>>> I have some private WiFi ioctl's that are associated with a couple of
>>> drivers and I would like to convert those private ioctl's into netlink.
>>> Does anyone know if there is any documentation on this or a URL that I
>>> could reference before I attempt?
>>
>> I guess the "private WiFi ioctl's" you are referring to are the ones used in Android wpa_supplicant driver_cmd lib? There is no real cookbook on how to add nl80211 commands (maybe I am wrong here), but there are sufficient patches to be found in the linux-wireless archive. A recent one about key management offload adds a couple of commands and attributes which may give an idea what is needed:
>>
>> http://mid.gmane.org/1406076875-8549-1-git-send-email-clanctot@qca.qualcomm.com
>>
>> Obviously, you need to modify the "couple of drivers" to deal with the nl80211 netlink commands.
>>
> We had same requirement in our driver,  we have patched the iw to send
> custom commands specific to our hardware and used NL80211_CMD_TESTMODE
> to process and send it to driver.
> --
> To unsubscribe from this list: send the line "unsubscribe backports" in
> the body of a message to majordomo@vger.kernel.org
> More majordomo info at  http://vger.kernel.org/majordomo-info.html
>
Yeah thanks a lot, I could use NL80211_CMD_TESTMODE, I'll have to check 
that out. I was also thinking about using NL80211_CMD_VENDOR. These 
IOCTL's are not and will not be used by wpa_supplicant (but I will check 
out the URL you sent), they are just some custom commands we use with 
several chipsets.

-Clyde