linux-kernel - RE: [PATCH net] net: enetc: do not transmit redirected XDP frames when the link is down

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Message-ID:
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Date: Tue, 9 Dec 2025 10:15:09 +0000
From: Wei Fang <wei.fang@....com>
To: Vladimir Oltean <vladimir.oltean@....com>
CC: Claudiu Manoil <claudiu.manoil@....com>, Clark Wang
	<xiaoning.wang@....com>, "andrew+netdev@...n.ch" <andrew+netdev@...n.ch>,
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	"bpf@...r.kernel.org" <bpf@...r.kernel.org>
Subject: RE: [PATCH net] net: enetc: do not transmit redirected XDP frames
 when the link is down

> searching, but there's nothing conclusive... I'll experiment with putting
> the MAC in loopback via COMMAND_CONFIG[XGLP] and then drop the received
> frames somehow.

That's great! I think this method is feasible. By sending the packets through
loopback, the TX BD ring could be cleared.