+ linux-wireless
On 12/28/14 14:02, Thomas Vincent-Cross wrote:
Hi Broadcom devs,
I see that support for your new 3x3 802.11ac chip, the BCM43602, has
been added to the brcm80211 driver. I understand this is an "updated"
chip that is almost a drop in replacement for the original BCM4360. I'm
wondering since the support has been added for the newer chip to the
open source driver, does that mean it's possible for support to be added
for the older one? The BCM4360 is already featured in a tonne of
devices, and would open the door for firmwares like OpenWrt to support
devices like the Netgear R7000 and the Asus RT-AC68U. Now I don't know
if the reason support hasn't been added is because of licensing issues
with all of these already available devices, if so let me know.
Hi Thomas,
Bit late response, but I play the holiday-excuse card ;-) . From
hardware perspective they are pin compatible (if I am not mistaken).
However, from a driver/firmware perspective they are totally different.
4360 uses a softmac driver (802.11 stack running in kernel) whereas
43602 uses a fullmac driver (802.11 stack running on device). We do not
have ok to release 4360 driver upstream at the moment and we have not
started working on that. The brcm80211 softmac driver (brcmsmac) does
not support any 11ac chips so that is a big task.
I'm unsure whether emailing directly like this is the best way to ask,
but I thought it'd be more direct than posting to the linux-wireless
mailing list.
No worries. You could have Cc'ed linux-wireless, which I added in this
reply.
Regards,
Arend
Cheers,
Thomas
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