From: Biju Das <biju.das.jz@bp.renesas.com>
To: Sergei Shtylyov <sergei.shtylyov@gmail.com>,
Sergey Shtylyov <s.shtylyov@omp.ru>,
"David S. Miller" <davem@davemloft.net>,
Jakub Kicinski <kuba@kernel.org>
Cc: Prabhakar Mahadev Lad <prabhakar.mahadev-lad.rj@bp.renesas.com>,
Andrew Lunn <andrew@lunn.ch>,
Geert Uytterhoeven <geert+renesas@glider.be>,
Adam Ford <aford173@gmail.com>,
Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>,
"netdev@vger.kernel.org" <netdev@vger.kernel.org>,
"linux-renesas-soc@vger.kernel.org"
<linux-renesas-soc@vger.kernel.org>,
Chris Paterson <Chris.Paterson2@renesas.com>,
Biju Das <biju.das@bp.renesas.com>
Subject: RE: [RFC/PATCH 12/18] ravb: Add timestamp to struct ravb_hw_info
Date: Mon, 27 Sep 2021 06:10:21 +0000 [thread overview]
Message-ID: <TYCPR01MB5933683E18B26882AC1C817686A79@TYCPR01MB5933.jpnprd01.prod.outlook.com> (raw)
In-Reply-To: <ea925b7f-fcc7-d21f-c3bb-6fb8d210bbb2@gmail.com>
Hi Sergei,
> Subject: Re: [RFC/PATCH 12/18] ravb: Add timestamp to struct ravb_hw_info
>
> On 9/26/21 11:45 PM, Sergey Shtylyov wrote:
>
> >>> -----Original Message-----
> >>> Subject: Re: [RFC/PATCH 12/18] ravb: Add timestamp to struct
> >>> ravb_hw_info
> >>>
> >>> On 9/23/21 5:08 PM, Biju Das wrote:
> >>>
> >>>> R-Car AVB-DMAC supports timestamp feature.
> >>>> Add a timestamp hw feature bit to struct ravb_hw_info to add this
> >>>> feature only for R-Car.
> >>>>
> >>>> Signed-off-by: Biju Das <biju.das.jz@bp.renesas.com>
> >>>> ---
> >>>> drivers/net/ethernet/renesas/ravb.h | 2 +
> >>>> drivers/net/ethernet/renesas/ravb_main.c | 68
> >>>> +++++++++++++++---------
> >>>> 2 files changed, 45 insertions(+), 25 deletions(-)
> >>>>
> >>>> diff --git a/drivers/net/ethernet/renesas/ravb.h
> >>>> b/drivers/net/ethernet/renesas/ravb.h
> >>>> index ab4909244276..2505de5d4a28 100644
> >>>> --- a/drivers/net/ethernet/renesas/ravb.h
> >>>> +++ b/drivers/net/ethernet/renesas/ravb.h
> >>>> @@ -1034,6 +1034,7 @@ struct ravb_hw_info {
> >>>> unsigned mii_rgmii_selection:1; /* E-MAC supports
> mii/rgmii
> >>> selection */
> >>>> unsigned half_duplex:1; /* E-MAC supports half duplex
> mode */
> >>>> unsigned rx_2k_buffers:1; /* AVB-DMAC has Max 2K buf size
> on RX
> >>> */
> >>>> + unsigned timestamp:1; /* AVB-DMAC has timestamp */
> >>>
> >>> Isn't this a matter of the gPTP support as well, i.e. no separate
> >>> flag needed?
> >>
> >> Agreed. Previously it is suggested to use timestamp. I will change it
> to as part of gPTP support cases.
> >
> > TIA. :-)
> >
> >>>
> >>> [...]
> >>>> @@ -1089,6 +1090,7 @@ struct ravb_private {
> >>>> unsigned int num_tx_desc; /* TX descriptors per packet */
> >>>>
> >>>> int duplex;
> >>>> + struct ravb_rx_desc *rgeth_rx_ring[NUM_RX_QUEUE];
> >>>
> >>> Strange place to declare this...
> >>
> >> Agreed. This has to be on later patch. Will move it.
> >
> > I only meant that these fields should go together with rx_ring[].
> > Apparently
>
> Sorry, this field.
It is a mistake from my side which ended up this variable in this patch.
Function pointers are introduced to avoid more checks and only rx functions pf RZ/G2L are using
this variable.
It will be clear you to once you finish reviewing the remaining patches(patch 13 - patch 18).
Regards,
Biju
Regards,
Biju
>
> > we have a case of wrong patch ordering here (as this patch needs this
> field declared)...
> [...]
>
> >> Regards,
> >> Biju
>
> MBR, Sergey
next prev parent reply other threads:[~2021-09-27 6:10 UTC|newest]
Thread overview: 79+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-09-23 14:07 [RFC/PATCH 00/18] Add Gigabit Ethernet driver support Biju Das
2021-09-23 14:07 ` [RFC/PATCH 01/18] ravb: Rename "ravb_set_features_rx_csum" function to "ravb_set_features_rcar" Biju Das
2021-09-27 19:54 ` Sergey Shtylyov
2021-09-23 14:07 ` [RFC/PATCH 02/18] ravb: Rename the variables "no_ptp_cfg_active" and "ptp_cfg_active" Biju Das
2021-09-23 16:07 ` Sergey Shtylyov
2021-09-23 16:35 ` Biju Das
2021-09-23 17:57 ` Sergey Shtylyov
2021-09-23 18:20 ` Biju Das
2021-09-26 13:34 ` Biju Das
2021-09-23 14:07 ` [RFC/PATCH 03/18] ravb: Initialize GbEthernet dmac Biju Das
2021-09-23 17:41 ` Sergey Shtylyov
2021-09-23 18:42 ` Biju Das
2021-09-23 19:07 ` Sergey Shtylyov
2021-09-23 19:22 ` Biju Das
2021-09-23 19:29 ` Biju Das
2021-09-26 13:38 ` Biju Das
2021-09-23 14:07 ` [RFC/PATCH 04/18] ravb: Enable aligned_tx and tx_counters for RZ/G2L Biju Das
2021-09-23 18:05 ` Sergey Shtylyov
2021-09-23 18:10 ` Sergey Shtylyov
2021-09-23 18:13 ` Biju Das
2021-09-26 13:40 ` Biju Das
2021-09-23 14:08 ` [RFC/PATCH 05/18] ravb: Exclude gPTP feature support " Biju Das
2021-09-23 19:00 ` Sergey Shtylyov
2021-09-23 19:13 ` Biju Das
2021-09-23 19:41 ` Sergey Shtylyov
2021-09-23 19:45 ` Biju Das
2021-09-26 13:48 ` Biju Das
2021-09-23 14:08 ` [RFC/PATCH 06/18] ravb: Add multi_tsrq to struct ravb_hw_info Biju Das
2021-09-23 20:19 ` Sergey Shtylyov
2021-09-24 6:19 ` Biju Das
2021-09-26 13:54 ` Biju Das
2021-09-23 14:08 ` [RFC/PATCH 07/18] ravb: Add magic_pkt " Biju Das
2021-09-23 20:42 ` Sergey Shtylyov
2021-09-24 6:24 ` Biju Das
2021-09-26 13:56 ` Biju Das
2021-09-23 14:08 ` [RFC/PATCH 08/18] ravb: Add mii_rgmii_selection " Biju Das
2021-09-24 19:49 ` Sergey Shtylyov
2021-09-25 6:23 ` Biju Das
2021-09-26 15:49 ` Biju Das
2021-09-23 14:08 ` [RFC/PATCH 09/18] ravb: Add half_duplex " Biju Das
2021-09-24 20:07 ` Sergey Shtylyov
2021-09-25 6:37 ` Biju Das
2021-09-26 15:51 ` Biju Das
2021-09-23 14:08 ` [RFC/PATCH 10/18] ravb: Initialize GbEthernet E-MAC Biju Das
2021-09-24 20:44 ` Sergey Shtylyov
2021-09-25 6:38 ` Biju Das
2021-09-23 14:08 ` [RFC/PATCH 11/18] ravb: Add rx_2k_buffers to struct ravb_hw_info Biju Das
2021-09-24 19:35 ` Sergey Shtylyov
2021-09-26 15:48 ` Biju Das
2021-09-23 14:08 ` [RFC/PATCH 12/18] ravb: Add timestamp " Biju Das
2021-09-25 20:52 ` Sergey Shtylyov
2021-09-26 6:34 ` Biju Das
2021-09-26 16:52 ` Biju Das
2021-09-26 20:45 ` Sergey Shtylyov
2021-09-26 20:48 ` Sergei Shtylyov
2021-09-27 6:10 ` Biju Das [this message]
2021-09-27 6:04 ` Biju Das
2021-09-23 14:08 ` [RFC/PATCH 13/18] ravb: Add rx_ring_free function support for GbEthernet Biju Das
2021-09-27 19:28 ` Sergey Shtylyov
2021-09-28 9:24 ` Biju Das
2021-09-23 14:08 ` [RFC/PATCH 14/18] ravb: Add rx_ring_format function " Biju Das
2021-09-27 20:32 ` Sergey Shtylyov
2021-09-29 7:49 ` Biju Das
2021-09-23 14:08 ` [RFC/PATCH 15/18] ravb: Add rx_alloc helper " Biju Das
2021-09-23 14:08 ` [RFC/PATCH 16/18] ravb: Add Packet receive function for Gigabit Ethernet Biju Das
2021-10-01 17:27 ` Sergey Shtylyov
2021-10-04 14:56 ` Biju Das
2021-09-23 14:08 ` [RFC/PATCH 17/18] ravb: Add carrier_counters to struct ravb_hw_info Biju Das
2021-09-28 20:50 ` Sergey Shtylyov
2021-09-23 14:08 ` [RFC/PATCH 18/18] ravb: Add set_feature support for RZ/G2L Biju Das
2021-09-30 20:39 ` Sergey Shtylyov
2021-10-01 6:53 ` Biju Das
2021-10-01 9:13 ` Sergey Shtylyov
2021-10-01 9:26 ` Biju Das
2021-10-01 8:22 ` Biju Das
2021-09-23 15:11 ` [RFC/PATCH 00/18] Add Gigabit Ethernet driver support Sergey Shtylyov
2021-09-23 15:13 ` Sergey Shtylyov
2021-09-23 15:37 ` Jakub Kicinski
2021-09-23 17:43 ` Sergey Shtylyov
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