I'm having trouble getting the linux-intel-rt kernel to compile the TUN/TAP
device driver support directly into the kernel.
What I've tried...
* Ran bitbake -c kernel_configme -f virtual/kernel to generate the base config.
* Manually enabled the Universal TUN/TAP device driver support: bitbake -c
menuconfig virtual/kernel
* -> Device Drivers
* -> Network device support (NETDEVICES [=y])
* -> Network core driver support (NET_CORE [=y])
* -> Universal TUN/TAP device driver support (TUN [=y])
* Ran bitbake -c diffconfig virtual/kernel , which generated fragment.cfg
containing: CONFIG_TUN=y
* Copied this into enable-tap-tun.cfg and added it to linux-intel-rt_%.bbappend
: FILESEXTRAPATHS:prepend := "${THISDIR}/${PN}:"
SRC_URI:prepend = " \
file://enable-can.cfg \
file://enable-tap-tun.cfg \
"
After building when I try to do modprobe tun the module is not found. I believe
my config fragments are being processed because it seems enable-can.cfg is
being applied correctly. Is there some kind of conflict, precedence issue, or
override preventing my TUN/TAP configuration from being applied?
Would appreciate any insight.
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