Thread (59 messages) 59 messages, 5 authors, 2021-08-18

RE: [PATCH net-next v2 7/8] ravb: Add internal delay hw feature to struct ravb_hw_info

From: Biju Das <biju.das.jz@bp.renesas.com>
Date: 2021-08-04 06:20:03
Also in: linux-renesas-soc

Hi Sergei,

Thanks for the feedback.
Subject: Re: [PATCH net-next v2 7/8] ravb: Add internal delay hw feature
to struct ravb_hw_info

On 8/2/21 1:26 PM, Biju Das wrote:
quoted
R-Car Gen3 supports TX and RX clock internal delay modes, whereas
R-Car
Gen2 and RZ/G2L do not support it.
Add an internal_delay hw feature bit to struct ravb_hw_info to enable
this only for R-Car Gen3.

Signed-off-by: Biju Das <biju.das.jz@bp.renesas.com>
Reviewed-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>
[...]

   OK, this one also seems uncontroversial:
So far the comments I received

1) I have replaced NUM_TX_DESC to num_tx_desc. But you are recommending to rename it,
        is ravb_num_tx_desc good choice?

2) skb_sz to max_rx_len, I am ok for it, if there is no objection from others.

3) patches related to device stats.

I already provided the output of ethtool -S eth0 for both R-Car and RZ/G2L. 

For RZ/G2L there is an "rx_queue_0_csum_offload_errors: 0", instead of
"rx_queue_0_missed_errors: 0", Both uses MSC bit 6 for collecting this info.

To provide correct output to the user using command "ethtool -S eth0",
RZ/G2L need to have a different string LUT.

Q1) Do you agree with this?

Cheers,
Biju
Reviewed-by: Sergei Shtylyov <redacted>

MBR, Sergei
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