linux-kernel - RE: [PATCH 06/15] net: hbl

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Date: Wed, 19 Jun 2024 18:35:02 +0000
From: Sunil Kovvuri Goutham <sgoutham@...vell.com>
To: Omer Shpigelman <oshpigelman@...ana.ai>,
        "linux-kernel@...r.kernel.org"
	<linux-kernel@...r.kernel.org>,
        "linux-rdma@...r.kernel.org"
	<linux-rdma@...r.kernel.org>,
        "netdev@...r.kernel.org"
	<netdev@...r.kernel.org>,
        "dri-devel@...ts.freedesktop.org"
	<dri-devel@...ts.freedesktop.org>
CC: "ogabbay@...nel.org" <ogabbay@...nel.org>,
        "zyehudai@...ana.ai"
	<zyehudai@...ana.ai>
Subject: RE: [PATCH 06/15] net: hbl_cn: debugfs support


>+
>+What:           /sys/kernel/debug/habanalabs_cn/hbl_cn<n>/nic_disable_decap
>+What:           /sys/kernel/debug/habanalabs_cn/hbl_cn<n>/nic_inject_rx_err
>+What:           /sys/kernel/debug/habanalabs_cn/hbl_cn<n>/nic_mac_lane_remap

Don't think debugfs is the correct interface for all this configuration.
Debugfs should ideally be used for dumping runtime device state info for debug purposes.

>+What:           /sys/kernel/debug/habanalabs_cn/hbl_cn<n>/nic_mac_loopback

Why not use ethtool ?

>+
>+What:           /sys/kernel/debug/habanalabs_cn/hbl_cn<n>/nic_mmu_bypass

How does this work ?

Thanks,
Sunil.