Re: [RFC 00/12] Add functional support for Gigabit Ethernet driver

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On 10/5/21 2:06 PM, Biju Das wrote:

> The DMAC and EMAC blocks of Gigabit Ethernet IP found on RZ/G2L SoC are
> similar to the R-Car Ethernet AVB IP.
> 
> The Gigabit Ethernet IP consists of Ethernet controller (E-MAC), Internal
> TCP/IP Offload Engine (TOE)  and Dedicated Direct memory access controller
> (DMAC).
> 
> With a few changes in the driver we can support both IPs.
> 
> This patch series is aims to add functional support for Gigabit Ethernet driver
> by filling all the stubs.
> 
> Ref:-
> https://lore.kernel.org/linux-renesas-soc/OS0PR01MB5922240F88E5E0FD989ECDF386AC9@xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx/T/#m8dee0a1b14d505d4611cad8c10e4017a30db55d6
> 
> RFC changes:
>  * used ALIGN macro for calculating the value for max_rx_len.
>  * used rx_max_buf_size instead of rx_2k_buffers feature bit.
>  * moved struct ravb_rx_desc *gbeth_rx_ring near to ravb_private::rx_ring
>    and allocating it for 1 RX queue.
>  * Started using gbeth_rx_ring instead of gbeth_rx_ring[q].
>  * renamed ravb_alloc_rx_desc to ravb_alloc_rx_desc_rcar
>  * renamed ravb_rx_ring_free to ravb_rx_ring_free_rcar
>  * renamed ravb_rx_ring_format to ravb_rx_ring_format_rcar
>  * renamed ravb_rcar_rx to ravb_rx_rcar
>  * renamed "tsrq" variable
>  * Updated the comments
> 
> Biju Das (12):
>   ravb: Use ALIGN macro for max_rx_len
>   ravb: Add rx_max_buf_size to struct ravb_hw_info
>   ravb: Fillup ravb_set_features_gbeth() stub
>   ravb: Fillup ravb_alloc_rx_desc_gbeth() stub
>   ravb: Fillup ravb_rx_ring_free_gbeth() stub
>   ravb: Fillup ravb_rx_ring_format_gbeth() stub
>   ravb: Fillup ravb_rx_gbeth() stub
>   ravb: Add carrier_counters to struct ravb_hw_info
>   ravb: Add support to retrieve stats for GbEthernet
>   ravb: Rename "tsrq" variable
>   ravb: Optimize ravb_emac_init_gbeth function
>   ravb: Update/Add comments
> 
>  drivers/net/ethernet/renesas/ravb.h      |  51 +++-
>  drivers/net/ethernet/renesas/ravb_main.c | 349 +++++++++++++++++++++--
>  2 files changed, 367 insertions(+), 33 deletions(-)

   I dodn;'t expect the patchset to be reposted so soon but I'll switch
to reviewing it insted of the previously posted 8-patch series...

MBR, Sergey



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