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airoha: support openwrt,netdev-name for renaming interfaces

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Add support to the airoha target for the OpenWrt-specific DT property
`openwrt,netdev-name`. In particular, this is for interfaces under
non-DSA `airoha_eth` interfaces.

This will avoid conflicts with upstream code[1]; and maintain forward
compatibility with OpenWrt configurations if/when `airoha_eth` becomes
a full DSA driver.

[1] https://lore.kernel.org/netdev/20240709124503.pubki5nwjfbedhhy@skbuf/

Borrowed from d4d6c48 (mediatek: filogic: support openwrt,netdev-name for renaming interfaces)

Signed-off-by: Kenneth Kasilag <kenneth@kasilag.me>
Link: https://github.com/openwrt/openwrt/pull/20475
Signed-off-by: Robert Marko <robimarko@gmail.com>
This commit is contained in:
Kenneth Kasilag
2025-10-20 22:53:09 +00:00
committed by Robert Marko
parent 120b70a6e2
commit 130306fab9
1 changed files with 15 additions and 0 deletions
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target/linux/airoha/base-files/lib/preinit/04_set_netdev_label
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set_netdev_labels() {
local dir
local label
local netdev
for dir in /sys/class/net/*; do
[ -r "$dir/of_node/openwrt,netdev-name" ] || continue
read -r label < "$dir/of_node/openwrt,netdev-name"
netdev="${dir##*/}"
[ "$netdev" = "$label" ] && continue
ip link set "$netdev" name "$label"
done
}
boot_hook_add preinit_main set_netdev_labels