Add firmware needed for R816{8,9} network devices #195
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The orin-nano and orin-nx SOMs have realtek NICs that take advantage of firmware that lives in the `linux-firmware` derivation. Instead of pulling in all of linux-firmware (1GiB+), just pull in what is needed for the `r8168` kernel module. Note that in Jetpack 35.3.1 the kernel module was called `r8169` and in Jetpack 35.4.1 the kernel module was changed to be `r8168`. This differs from mainline linux where the kernel module is `r8169`.
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danielfullmer
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Mar 27, 2024
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Description of changes
The orin-nano and orin-nx SOMs have realtek NICs that take advantage of firmware that lives in the
linux-firmwarederivation. Instead of pulling in all of linux-firmware (1GiB+), just pull in what is needed for ther8168kernel module. Note that in Jetpack 35.3.1 the kernel module was calledr8169and in Jetpack 35.4.1 the kernel module was changed to ber8168. This differs from mainline linux where the kernel module isr8169.Testing
Tested on an orin-nano-devkit, ensured the initrd built with a config including
{ boot.initrd.kernelModules = [ "r8168" ]; }includes the corresponding firmware inlib/firmware/rtl_nic. Also ensured that the warning message produced without this PR's changes no longer appears. The warning looks like this: