netdev - [PATCH 0/8] Fillup stubs for Gigabit Ethernet driver support

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Message-Id: <20211001164305.8999-1-biju.das.jz@bp.renesas.com>
Date:   Fri,  1 Oct 2021 17:42:57 +0100
From:   Biju Das <biju.das.jz@...renesas.com>
To:     "David S. Miller" <davem@...emloft.net>,
        Jakub Kicinski <kuba@...nel.org>
Cc:     Biju Das <biju.das.jz@...renesas.com>,
        Sergey Shtylyov <s.shtylyov@....ru>,
        Lad Prabhakar <prabhakar.mahadev-lad.rj@...renesas.com>,
        Andrew Lunn <andrew@...n.ch>,
        Sergei Shtylyov <sergei.shtylyov@...il.com>,
        Geert Uytterhoeven <geert+renesas@...der.be>,
        Adam Ford <aford173@...il.com>,
        Yoshihiro Shimoda <yoshihiro.shimoda.uh@...esas.com>,
        netdev@...r.kernel.org, linux-renesas-soc@...r.kernel.org,
        Chris Paterson <Chris.Paterson2@...esas.com>,
        Biju Das <biju.das@...renesas.com>
Subject: [PATCH 0/8] Fillup stubs for Gigabit Ethernet driver support

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 for adding Gigabit ethernet driver support to RZ/G2L SoC.

The number of patches after incorporatng RFC review comments is 18.
So split the patches into 2 patchsets (10 + 8).

This series is the second patchset, aims to fillup all the stubs for the
Gigabit Ethernet driver.

This patch series depend upon [1]
[1] https://lore.kernel.org/linux-renesas-soc/20211001150636.7500-1-biju.das.jz@bp.renesas.com/T/#t

RFC->V1:
 * used rx_max_buf_size instead of rx_2k_buffers feature bit.
 * renamed "rgeth" to "gbeth".
 * renamed ravb_rx_ring_free to ravb_rx_ring_free_rcar
 * renamed ravb_rx_ring_format to ravb_rx_ring_format_rcar
 * renamed ravb_alloc_rx_desc to ravb_alloc_rx_desc_rcar
 * renamed ravb_rcar_rx to ravb_rx_rcar
 * Added Sergey's Rb tag for patch #6.
 * Moved CSR0 initialization to patch #8.

Biju Das (8):
  ravb: Add rx_max_buf_size to struct ravb_hw_info
  ravb: Fillup ravb_rx_ring_free_gbeth() stub
  ravb: Fillup ravb_rx_ring_format_gbeth() stub
  ravb: Fillup ravb_alloc_rx_desc_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: Fillup ravb_set_features_gbeth() stub

 drivers/net/ethernet/renesas/ravb.h      |  47 ++++
 drivers/net/ethernet/renesas/ravb_main.c | 327 +++++++++++++++++++++--
 2 files changed, 352 insertions(+), 22 deletions(-)

-- 
2.17.1