Mac Pro 2015 - Kernel 4.1.15 - Braodcom Wireless

ankh2054 · n00b Joined: 15 Mar 2016 Posts: 33 Location: London UK

Hi All,

Device: Broadcom Corporation BCM43602 802.11ac Wireless LAN SoC [14e4:43ba] (rev 01)

I'm hoping someone could steer me in the right direction. I'm busy configuring the linux kernel (4.1.5) according to instructions here - https://wiki.gentoo.org/wiki/Apple_Macbook_Pro_Retina_%28early_2013%29

Instructions request to disable Broadcom IEEE 802.11n WLAN driver, but with that disabled I don't seem to have any other supported wireless in my kernel.

Should this not be enabled? Maybe I should loads as a module instead.

thanks
Charles

charles17 · Advocate Joined: 02 Mar 2008 Posts: 3684

Is your PCI device ID listed on wireless.wiki.kernel.org?
Is this the driver you were told to disable?

The wiki article is about BCM 4331 and it does not say anything about the kernel version not supporting 802.11n.

ankh2054 · n00b Joined: 15 Mar 2016 Posts: 33 Location: London UK

Hi Charles

Right you are, reading further i've now realised you need to disable if you want 802.11n support, but that also relates to a older kernel so hopefully will work.

thanks for the help

charles17 · Advocate Joined: 02 Mar 2008 Posts: 3684

For [14e4:43ba]
set CONFIG_BRCMFMAC=m
and CONFIG_BRCMFMAC_PCIE=y

And don't forget the firmware.

ankh2054 · n00b Joined: 15 Mar 2016 Posts: 33 Location: London UK

thank you sir

ankh2054 · n00b Joined: 15 Mar 2016 Posts: 33 Location: London UK

Hi all,

I'm not entirely sure what do do here, im still trying to understand how modules are compiled etc...

I've installed the broadcom wireless packagee using emerge sys-kernel/linux-firmware.

My conf.d/modules file

ankh2054 · n00b Joined: 15 Mar 2016 Posts: 33 Location: London UK

Got it to load the module, by redoing make modules_install whilst logged into Gentoo and not from lived chroot env.

lspci shows that the device is not associated with the mode, so onto that.
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charles17 · Advocate Joined: 02 Mar 2008 Posts: 3684

Have a look at the recent thread.

Hopefully you compiled the driver as a module. Did you? Will you please post your output of modinfo brcmfmac or what the module's name is.

The CONFIG_BRCMFMAC_<subtype> like PCIe, USB and SDIO needed depends on the (PCI) Device ID listed on https://wireless.wiki.kernel.org/en/users/drivers/brcm80211.

schorsch_76 · Guru Joined: 19 Jun 2012 Posts: 452

Is this the WIFI card of the raspberry pi 3? If so, use the firmware optainable from the openelec github.

https://github.com/OpenELEC/wlan-firmware/tree/master/firmware/brcm
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Web: https://github.com/schorsch1976/portage
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frankenputer · n00b Joined: 09 Mar 2016 Posts: 26

In make menuconfig press / to start searching and type brcmfmac

this will give you a hint what you should enable and where to find the particular option(s).

If you've done everything correctly you'll get the module compiled.

ankh2054 · n00b Joined: 15 Mar 2016 Posts: 33 Location: London UK

ankh2054 · n00b Joined: 15 Mar 2016 Posts: 33 Location: London UK

ankh2054 · n00b Joined: 15 Mar 2016 Posts: 33 Location: London UK

ankh2054 · n00b Joined: 15 Mar 2016 Posts: 33 Location: London UK

sit0 and lo are the only interfaces listed via ifconfig -a.

ls /sys/class/net

show sit0 and lo.
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charles17 · Advocate Joined: 02 Mar 2008 Posts: 3684

Will you please post your output of lspci -nnkv | sed -n '/Network/,/^$/p' | head -n -1

After rebooting check dmesg like dmesg | grep -i '08:00.0\|brcmfmac\' but replace 08:00.0 with the exact device's bus ID from lspci.

khayyam · Posted: Fri Mar 18, 2016 11:49 am Post subject:

ankh2054 ...

from the modinfo I don't see the 43602 firmware listed (which from the above linked post seems to be your chipset). Also, those listed are *.sdio firmware. I suspect you are missing firmware (dmesg should provide some clue ITR), perhaps the brcm80211 page on linux wireless can provide some idea of where you can aquire it.

HTH & best ... khay

frankenputer · n00b Joined: 09 Mar 2016 Posts: 26

Networking support->Wireless image

Device Drivers->Networking device support->Wireless LAN image

qlist linux-firmware|grep 43602

make -jX;make -jX modules_install;make -jX install; update boot && modprobe da module && modinfo brcmfmac|grep 43602

You had to mention from the very beginning what hardware you are using.

charles17 · Advocate Joined: 02 Mar 2008 Posts: 3684

frankenputer · n00b Joined: 09 Mar 2016 Posts: 26

khayyam · Posted: Fri Mar 18, 2016 12:47 pm Post subject:

ankh2054 · n00b Joined: 15 Mar 2016 Posts: 33 Location: London UK

How both thanks for the help it is really appreciated. I'm slowing learning more. Gentoo folk are very helpful and I'm very glad to have switched.

LSPCI

charles17 · Advocate Joined: 02 Mar 2008 Posts: 3684

khayyam · Posted: Fri Mar 18, 2016 1:23 pm Post subject:

charles17 · Advocate Joined: 02 Mar 2008 Posts: 3684

ankh2054 · n00b Joined: 15 Mar 2016 Posts: 33 Location: London UK

f /lib/firmware/brcm/brcmfmac43602-pcie.bin did not exist, so I copied from /usr/src/linux-4.1.15-gentoo-r1/firmware/brcmfmac/brcmfmac43602-pcie.bin.
After rebooting I can now see wlp4s0 as a device using ifconfig -a.

Although I still get the following errors.