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

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Date: Fri, 21 Jun 2024 10:30:18 +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>,
        Zvika Yehudai
	<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.
>>
>
>I see other vendors have debugfs entries for debug configurations or settings, not
>just for dumping debug info.
>

But disable_decap / mac_lane_remap seems configuration related which changes the way pkts are processed not debug.
Configurations are supported via devlink.

Thanks,
Sunil.