tree a2bba4684448d342298e383ec6ccc2ae1dbb13f5
parent 59f8e0b8c5a209eddf1198843437be57ea551e9b
author developer <developer@mediatek.com> 1634609062 +0800
committer developer <developer@mediatek.com> 1635128082 +0800

[][Update dscp for qos by keepalive]

[Description]
Add Update dscp for qos by keepalive
Some programs will change dscp or other field in skb runtime,
so we need use keepalive packet to trigger clear entry.
Then hnat learn the complete new information.
And we also need to clear the cache to maintain consistency.

[Release-log]
N/A

Change-Id: Ide74c3ff63e6d4ac3ac529fe94790fc7b8127ce1
Reviewed-on: https://gerrit.mediatek.inc/c/openwrt/feeds/mtk_openwrt_feeds/+/5140635