tree 88b28156b7bffa0adcbb5c0fe462cc58994dcfc4
parent fe20beeb4d7bd254fd975e812084127530e735ea
author developer <developer@mediatek.com> 1724664321 +0800
committer developer <developer@mediatek.com> 1726023162 +0800

[][kernel][common][hnat][Add event to delete HNAT entries of bond slave when physical link is down]

[Description]
Add event to delete HNAT entries of bond slave when physical link is down.

The NETDEV_GOING_DOWN event can only monitor the device is brough down
administratively(e.g., ifconfig <dev> down), the physical link layer
event cannot be monitor(e.g., cable unplugged), we add NETDEV_CHANGE
event to check if the bond slave device physical link state is down
and delete the HNAT entries.

Without this patch, the accelerated traffic of bond device would
not be directed to another bond device instantly if it's cable
is unplugged, and the traffic would get stuck.

[Release-log]
N/A


Change-Id: I9d5b29741f39c718a8e8e4f546ebd6cc0a4c6d9d
Reviewed-on: https://gerrit.mediatek.inc/c/openwrt/feeds/mtk_openwrt_feeds/+/9548988