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soc-qcom-sdm845: set MAC address on boot (MR 3360)

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SDM845 devices running mainline lack a valid MAC address, and
fallback to a random one on each boot. This makes DHCP IPs vary
on each boot and breaks Bluetooth BNEP mode since the kernel enforces
that a valid MAC address is used when Bluetooth BNEP mode is activated.

Add a udev rule to trigger a script when the WLAN or Bluetooth interface
appear to set the MAC address by reading it from the persist partition
for the WLAN MAC address and increment it for generating a Bluetooth MAC
address. This approach seems to be common on some downstream devices
such as the Oneplus 6.

[ci:skip-build]: already built successfully in CI
This commit is contained in:
Dylan Van Assche 2022-08-15 15:26:47 +02:00 committed by Oliver Smith
parent 2bb6c15cbd
commit 3942f8b1b6
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GPG key ID: 5AE7F5513E0885CB
1 changed files with 3 additions and 2 deletions
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5
device/community/soc-qcom-sdm845/APKBUILD
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@ -2,7 +2,7 @@
pkgname=soc-qcom-sdm845
pkgdesc="Common package for Qualcomm SDM845 devices"
pkgver=8
pkgrel=1
pkgrel=2
url="https://postmarketos.org"
license="BSD-3-Clause"
arch="aarch64"
@ -11,12 +11,13 @@ depends="
mesa-dri-gallium
swclock-offset
msm-modem-uim-selection
bootmac
"
replaces="upower"
subpackages="
$pkgname-nonfree-firmware:nonfree_firmware
$pkgname-ucm
$pkgname-qbootctl
$pkgname-ucm
"
_ucm_commit="621c71fd5f5742c60d38766ebb2d1bd3b863a2a4"