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Clone and compile the Linux kernel
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# Use some extra directory for all the components needed
cd c2c/
# Clone the repository (this will take a *few minutes*)
c2c$ git clone https://github.com/CTU-IIG/802.11p-linux.git
c2c$ cd 802.11p-linux
# Checkout particular branch
c2c/802.11p-linux$ git checkout its-g5_v3
# Prepare the folder for compilation
c2c/802.11p-linux$ mkdir _build
# Use the appropriate defconfig
c2c/802.11p-linux$ make O=_build x86_64_defconfig
# Configure the kernel if necessary (enable MAC80211_OCB_DEBUG, CONFIG_MAC80211_STA_DEBUG etc.)
c2c/802.11p-linux$ cd _build
c2c/802.11p-linux/_build$ make menuconfig
# Run the compilation
c2c/802.11p-linux/_build$ make -j4
# Install the modules and the kernel
c2c/802.11p-linux/_build$ sudo make modules_install
c2c/802.11p-linux/_build$ sudo make install
iw -- wifi configuration tool
=============================
# Use some extra directory for all the components needed
cd c2c/
# Install libnl development files
c2c$ sudo apt-get install libnl-dev
# Clone the official iw repository
c2c$ git clone https://github.com/CTU-IIG/802.11p-iw.git
c2c$ cd 802.11p-iw
c2c/802.11p-iw$ git checkout its-g5_v3
# Build it
c2c/802.11p-iw$ make
# Install it
c2c/802.11p-iw$ sudo PREFIX=/ make install
# Test it
c2c/802.11p-iw$ /sbin/iw | grep -i ocb
dev <devname> ocb leave
dev <devname> ocb join <freq in MHz> <5MHZ|10MHZ> [fixed-freq]
wireless-regdb -- regulatory information
========================================
# Use some extra directory for all the components needed
cd c2c/
# Install some extra packages
c2c$ sudo apt-get install python-m2crypto
# Clone the repository
c2c$ git clone https://github.com/CTU-IIG/802.11p-wireless-regdb.git
c2c$ cd 802.11p-wireless-regdb
c2c/802.11p-wireless-regdb$ git checkout its-g5_v1
c2c/802.11p-wireless-regdb$ make
c2c/802.11p-wireless-regdb$ sudo PREFIX=/ make install
CRDA -- Central Regulatory Domain Agent
=======================================
# Use some extra directory for all the components needed
cd c2c/
# Install some extra packages
c2c$ sudo apt-get install python-m2crypto
c2c$ sudo apt-get install libgcrypt11-dev
# Clone the repository
c2c$ git clone https://github.com/CTU-IIG/802.11p-crda.git
c2c$ cd 802.11p-crda
c2c/802.11p-crda$ git checkout its-g5_v1
# We are using our own key for regulatory.bin and CRDA
c2c/802.11p-crda$ cp /lib/crda/pubkeys/username.key.pub.pem pubkeys/
# Compile + install it
c2c/802.11p-crda$ make
c2c/802.11p-crda$ sudo PREFIX=/ REG_BIN=/lib/crda/regulatory.bin make install
# Test CRDA + generated regulatory.bin
c2c/802.11p-crda$ sudo /sbin/regdbdump ../802.11p-wireless-regdb/regulatory.bin | grep -i ocb
country 00: invalid
(5850.000 - 5925.000 @ 20.000), (20.00), NO-CCK, OCB-ONLY
# Right now is probably the right time reboot
# the computer into the newly compiled kernel
Configure OCB interface
=======================
sudo iw reg set DE
sudo ip link set wlan0 down
sudo iw dev wlan0 set type ocb
sudo ip link set wlan0 up
sudo iw dev wlan0 ocb join 5890 10MHZ
# Get the interface statistics
ip -s link show dev wlan0
@lpirl
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lpirl commented May 22, 2020

Update: I just pushed the work in progress' status regarding patching ath10k for IEEE 802.11p. I am not a kernel dev, so if anyone with expertise wants to join in… :)

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