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Wi-Fi Bluetooth for Linux

Recent discussions

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wl tool and scripts for Raspberry Pi Compute Module 4 - based system cer...

Hello, we are considering the Raspberry Pi Compute Module 4 (CM4) for one of our products, and because we will use a non pre-certified antenna we need... Show More

By adrix_m

Apr 1, 2021

1042

Wi-Fi Bluetooth for Linux

CYW43438 integration with iMX286 and Kernel 2.X

Hi All, I am seeking guidance to integrate with iMX286 and Kernel 2.X, understanding backport will be required. The original design was with another c... Show More

By mineronarrow

Apr 16, 2021

122

Wi-Fi Bluetooth for Linux

After cywdhd & firmware loaded, Bluetooth mac address resets to default ...

Bluetooth MAC address read from OTP has a programmed address. (This is expected, for each device to be identified by different mac address) But after ... Show More

By ChLo_2214516

Mar 31, 2021

464

Wi-Fi Bluetooth for Linux

Does CYW4343W support for WPA - personal?

Solved

Hi Cypress, Our customer is using fmac-v4.14.77-2019_0505 package for CYW4343W. I need to Cypress confirm if CYW4343W supports for WPA3 as STA and WPA... Show More

By LiLe_3234306

Mar 17, 2021

410

Wi-Fi Bluetooth for Linux

Question about CYW43438 FMAC driver for linux kernel 5.10

Solved

Hi, We gonna choose a module that uses CYW43438 chipsets and I searched all over the related websites but cannot found any FMAC driver for 5.10, howev... Show More

By Benny_koo

Mar 26, 2021

230

Wi-Fi Bluetooth for Linux

how to make acs(automatic channel select) work with 1mw wifi module

Solved

Hi Our product is working on imx6u platform and wifi module is 1mw, the wifi is working fine when I specify a channel no. like 1 or 11 in hostapd.conf... Show More

By huangjian0209

Mar 23, 2021

278

Wi-Fi Bluetooth for Linux

CYW4356 error :brcmf_sdiod_sglist_rw: CMD53 sg block read failed -84

Solved

Hi All, We are using brcm4356 chip on Xilinx and we are seeing the below errors. We use wifi AP mode, and use iperf to test Throughput. Could you giv... Show More

By John

Mar 21, 2021

313

Wi-Fi Bluetooth for Linux

[FMAC] V5.4.18 ERR_PTR error

Solved

Hi ， My platform is IMX6 ,linux 3.14，when I compile FMAC v4.14.77，everything is OK. But when I compile FMAC v5.4.18,some error occur as below: In file... Show More

Hi ，

My platform is IMX6 ,linux 3.14，when I compile FMAC v4.14.77，everything is OK. But when I compile FMAC v5.4.18,some error occur as below:

In file included from /home/leo/fmac/cypress-fmac-v5.4.18-2020_0925/v5.4.18-backports/drivers/net/wireless/broadcom/brcm80211/brcmfmac/of.c:10:0:
/home/leo/fmac/cypress-fmac-v5.4.18-2020_0925/v5.4.18-backports/drivers/net/wireless/broadcom/brcm80211/brcmfmac/debug.h: In function 'brcmf_debugfs_get_devdir':
/home/leo/fmac/cypress-fmac-v5.4.18-2020_0925/v5.4.18-backports/drivers/net/wireless/broadcom/brcm80211/brcmfmac/debug.h:132:2: error: implicit declaration of function 'ERR_PTR' [-Werror=implicit-function-declaration]
return ERR_PTR(-ENOENT);
^
/home/leo/fmac/cypress-fmac-v5.4.18-2020_0925/v5.4.18-backports/drivers/net/wireless/broadcom/brcm80211/brcmfmac/debug.h:132:2: warning: return makes pointer from integer without a cast
In file included from /home/leo/fmac/cypress-fmac-v5.4.18-2020_0925/v5.4.18-backports/backport-include/linux/err.h:3:0,
from include/linux/kernfs.h:11,
from include/linux/sysfs.h:15,
from /home/leo/fmac/cypress-fmac-v5.4.18-2020_0925/v5.4.18-backports/backport-include/linux/sysfs.h:3,
from include/linux/kobject.h:21,
from include/linux/device.h:17,
from /home/leo/fmac/cypress-fmac-v5.4.18-2020_0925/v5.4.18-backports/backport-include/linux/device.h:4,
from include/linux/pm_qos.h:10,
from /home/leo/fmac/cypress-fmac-v5.4.18-2020_0925/v5.4.18-backports/backport-include/linux/pm_qos.h:7,
from include/linux/netdevice.h:28,
from /home/leo/fmac/cypress-fmac-v5.4.18-2020_0925/v5.4.18-backports/backport-include/linux/netdevice.h:3,
from /home/leo/fmac/cypress-fmac-v5.4.18-2020_0925/v5.4.18-backports/include/net/cfg80211.h:13,
from /home/leo/fmac/cypress-fmac-v5.4.18-2020_0925/v5.4.18-backports/drivers/net/wireless/broadcom/brcm80211/brcmfmac/core.h:13,
from /home/leo/fmac/cypress-fmac-v5.4.18-2020_0925/v5.4.18-backports/drivers/net/wireless/broadcom/brcm80211/brcmfmac/of.c:11:
include/linux/err.h: At top level:
include/linux/err.h:22:35: error: conflicting types for 'ERR_PTR'
static inline void * __must_check ERR_PTR(long error)
^
In file included from /home/leo/fmac/cypress-fmac-v5.4.18-2020_0925/v5.4.18-backports/drivers/net/wireless/broadcom/brcm80211/brcmfmac/of.c:10:0:
/home/leo/fmac/cypress-fmac-v5.4.18-2020_0925/v5.4.18-backports/drivers/net/wireless/broadcom/brcm80211/brcmfmac/debug.h:132:9: note: previous implicit declaration of 'ERR_PTR' was here
return ERR_PTR(-ENOENT);
^
cc1: some warnings being treated as errors
scripts/Makefile.build:308: recipe for target '/home/leo/fmac/cypress-fmac-v5.4.18-2020_0925/v5.4.18-backports/drivers/net/wireless/broadcom/brcm80211/brcmfmac/of.o' failed
make[8]: *** [/home/leo/fmac/cypress-fmac-v5.4.18-2020_0925/v5.4.18-backports/drivers/net/wireless/broadcom/brcm80211/brcmfmac/of.o] Error 1
scripts/Makefile.build:455: recipe for target '/home/leo/fmac/cypress-fmac-v5.4.18-2020_0925/v5.4.18-backports/drivers/net/wireless/broadcom/brcm80211/brcmfmac' failed
make[7]: *** [/home/leo/fmac/cypress-fmac-v5.4.18-2020_0925/v5.4.18-backports/drivers/net/wireless/broadcom/brcm80211/brcmfmac] Error 2
scripts/Makefile.build:455: recipe for target '/home/leo/fmac/cypress-fmac-v5.4.18-2020_0925/v5.4.18-backports/drivers/net/wireless/broadcom/brcm80211' failed
make[6]: *** [/home/leo/fmac/cypress-fmac-v5.4.18-2020_0925/v5.4.18-backports/drivers/net/wireless/broadcom/brcm80211] Error 2
scripts/Makefile.build:455: recipe for target '/home/leo/fmac/cypress-fmac-v5.4.18-2020_0925/v5.4.18-backports/drivers/net/wireless/broadcom' failed
make[5]: *** [/home/leo/fmac/cypress-fmac-v5.4.18-2020_0925/v5.4.18-backports/drivers/net/wireless/broadcom] Error 2
scripts/Makefile.build:455: recipe for target '/home/leo/fmac/cypress-fmac-v5.4.18-2020_0925/v5.4.18-backports/drivers/net/wireless' failed
make[4]: *** [/home/leo/fmac/cypress-fmac-v5.4.18-2020_0925/v5.4.18-backports/drivers/net/wireless] Error 2
Makefile:1278: recipe for target '_module_/home/leo/fmac/cypress-fmac-v5.4.18-2020_0925/v5.4.18-backports' failed
make[3]: *** [_module_/home/leo/fmac/cypress-fmac-v5.4.18-2020_0925/v5.4.18-backports] Error 2
Makefile.build:13: recipe for target 'modules' failed
make[2]: *** [modules] Error 2
Makefile.real:88: recipe for target 'modules' failed
make[1]: *** [modules] Error 2
Makefile:40: recipe for target 'modules' failed
make: *** [modules] Error 2

I notice that there has backport patch to fix this error before,so please help to check why this error still happen in V5.4.18,thanks.

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By Leo_Liu2

Mar 24, 2021

215

Wi-Fi Bluetooth for Linux

CYW4354 porting issue

Solved

Hi Sir We porting cypress-fmac-v5.4.18-2020_0925 driver + i.mx6 pure linux 4.1.X insmod compat.koinsmod cfg80211.koinsmod brcmutil.koinsmod brcmfmac.... Show More

By DS_Lin

Mar 10, 2021

1088

Wi-Fi Bluetooth for Linux

Switching from cymdhd to brcmfmac, equivalent build configuration settin...

Hello, We are moving from the cymdhd driver to the brcfmac backport with an CYM43455. We needed to set the following dhd build flags in order to achi... Show More

By ej

Mar 2, 2021

613

Download the new Linux Driver

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