Fatal error: brcmu_utils.h: No such file or directory

[avi3shake]

I am trying to build the nexom-csi patch on Rpi4 Kernel : 5.4.83 I have successfully followed all the steps as mentioned in the readme.

git clone https://github.com/seemoo-lab/nexmon_csi.git Cloning is done successfully. However the error pops up while make install-firmware

 cd nexmon_csi/
 make install-firmware

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                The C-based Firmware Patching Framework                   

                           !!! WARNING !!!                                
    Our software may damage your hardware and may void your hardware’s    
     warranty! You use our tools at your own risk and responsibility      

  COLLECTING STATISTICS read /home/pi/nexmon/STATISTICS.md for more information
  COMPILING src/ioctl.c => obj/ioctl.o (details: log/compiler.log)
  COMPILING src/csi_extractor.c => obj/csi_extractor.o (details: log/compiler.log)
  COMPILING src/patch.c => obj/patch.o (details: log/compiler.log)
  COMPILING src/regulations.c => obj/regulations.o (details: log/compiler.log)
  COMPILING src/console.c => obj/console.o (details: log/compiler.log)
  COMPILING src/version.c => obj/version.o (details: log/compiler.log)
  DISASSEMBLING UCODE /home/pi/nexmon/firmwares/bcm43455c0/7_45_189/ucode.bin => gen/ucode.asm
  PATCHING UCODE src/csi.ucode.bcm43455c0.7_45_189.patch => src/csi.ucode.bcm43455c0.7_45_189.asm
  ASSEMBLING UCODE src/csi.ucode.bcm43455c0.7_45_189.asm => gen/ucode.bin
  COMPRESSING UCODE gen/ucode.bin => gen/ucode_compressed.bin
  GENERATING C FILE gen/ucode_compressed.bin => src/ucode_compressed.c
  COMPILING src/ucode_compressed.c => obj/ucode_compressed.o (details: log/compiler.log)
  COMPILING /home/pi/nexmon/patches/common/ucode_compression_code.c => obj/ucode_compression_code.o (details: log/compiler.log)
  COMPILING /home/pi/nexmon/patches/common/wrapper.c => obj/wrapper.o (details: log/compiler.log)
  COMPILING /home/pi/nexmon/patches/common/argprintf.c => obj/argprintf.o (details: log/compiler.log)
  COMPILING /home/pi/nexmon/patches/common/helper.c => obj/helper.o (details: log/compiler.log)
  COMPILING /home/pi/nexmon/patches/common/udptunnel.c => obj/udptunnel.o (details: log/compiler.log)
  COMPILING /home/pi/nexmon/patches/common/objmem.c => obj/objmem.o (details: log/compiler.log)
  COMPILING /home/pi/nexmon/patches/common/securitycookie.c => obj/securitycookie.o (details: log/compiler.log)
  COMPILING /home/pi/nexmon/patches/common/radiotap.c => obj/radiotap.o (details: log/compiler.log)
  COMPILING /home/pi/nexmon/firmwares/bcm43455c0/7_45_189/flashpatches.c => obj/flashpatches.o (details: log/compiler.log)
  PREPARING gen/nexmon.pre => gen/nexmon2.pre
  GENERATING LINKER FILE gen/nexmon.pre => gen/nexmon.ld
  GENERATING LINKER FILE gen/nexmon.pre => gen/flashpatches.ld
  GENERATING LINKER FILE gen/memory.ld
  LINKING OBJECTS => gen/patch.elf (details: log/linker.log, log/linker.err)
  GENERATING MAKE FILE gen/nexmon.pre => gen/nexmon.mk
  GENERATING MAKE FILE gen/nexmon.pre => gen/flashpatches.mk
  APPLYING FLASHPATCHES gen/flashpatches.mk => brcmfmac43455-sdio.bin (details: log/flashpatches.log)
  APPLYING PATCHES gen/nexmon.mk => brcmfmac43455-sdio.bin (details: log/patches.log)
  BUILDING DRIVER for kernel 5.4 brcmfmac_5.4.y-nexmon/brcmfmac.ko (details: log/driver.log)
/home/pi/nexmon/patches/bcm43455c0/7_45_189/nexmon_csi/brcmfmac_5.4.y-nexmon/chip.c:12:10: fatal error: defs.h: No such file or directory
 #include <defs.h>
          ^~~~~~~~
compilation terminated.
make[2]: *** [scripts/Makefile.build:266: /home/pi/nexmon/patches/bcm43455c0/7_45_189/nexmon_csi/brcmfmac_5.4.y-nexmon/chip.o] Error 1
make[2]: *** Waiting for unfinished jobs....
/home/pi/nexmon/patches/bcm43455c0/7_45_189/nexmon_csi/brcmfmac_5.4.y-nexmon/cfg80211.c:21:10: fatal error: brcmu_utils.h: No such file or directory
 #include <brcmu_utils.h>
          ^~~~~~~~~~~~~~~
compilation terminated.
make[2]: *** [scripts/Makefile.build:266: /home/pi/nexmon/patches/bcm43455c0/7_45_189/nexmon_csi/brcmfmac_5.4.y-nexmon/cfg80211.o] Error 1
make[1]: *** [Makefile:1732: /home/pi/nexmon/patches/bcm43455c0/7_45_189/nexmon_csi/brcmfmac_5.4.y-nexmon] Error 2
make: *** [Makefile:108: brcmfmac.ko] Error 2

[zeroby0]

source setup_env.sh wasn't run is my guess

Btw I have scripts to automate install at nexmonster/nexmon_csi and precompiled binaries at nexmonster/nexmon_csi_bin . Less error prone than doing it by hand.

[avi3shake]

I did run the source setup. I will look into the nexmonster and update here. Thanks

[avi3shake]

I managed to get the nexom-csi work based on the script mentioned in nexmonster. However, I am getting the socket error

root@raspberrypi2:/home/pi# nexutil -Iwlan0 -s500 -b -l34 -vKuABEQAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA==
nex_init_netlink: socket error (93: Protocol not supported)
nex_init_netlink: socket error (93: Protocol not supported)
nex_init_netlink: bind error (9: Bad file descriptor)
nex_init_netlink: connect error (9: Bad file descriptor)
ERR (__nex_driver_netlink): no valid answer received

[zeroby0]

if you installed it on the right kernel version, a restart usually fixes this error for me.

[avi3shake]

My kernel is Kernel : 5.4.83

[avi3shake]

Prepare Raspberry Pi Burn Raspbian Buster Lite 2020-08-20 onto an empty SD card. You can use Etcher. Create an empty file called ssh, without any extension, on the boot partition of the SD card. SSH into the Pi via Ethernet. With sudo raspi-config, set WiFi Country to US, set your Time Zone, and then Expand File System. Reboot when asked to.

I am trying to use this instruction, but somehow I cannot ssh into the pi with raspberrypi.local. I am not sure where I am going wrong.

[zeroby0]

Try using the actual IP instead of raspberrypi.local. You can find it in the router's settings page.

[sangeun-jo]

I had same problem but solved with 5.10.92+ linux kernel.

[rrathnayaka203]

I had same problem but solved with 5.10.92+ linux kernel.

Thank you very much. This saved the day.