netdev - [PATCH net-next v2 00/15] mtk_eth_soc: fixes and performance improvements

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Date:   Thu, 22 Apr 2021 22:20:53 -0700
From:   Ilya Lipnitskiy <ilya.lipnitskiy@...il.com>
To:     Felix Fietkau <nbd@....name>, John Crispin <john@...ozen.org>,
        Sean Wang <sean.wang@...iatek.com>,
        Mark Lee <Mark-MC.Lee@...iatek.com>,
        "David S. Miller" <davem@...emloft.net>,
        Jakub Kicinski <kuba@...nel.org>,
        Matthias Brugger <matthias.bgg@...il.com>,
        netdev@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org,
        linux-mediatek@...ts.infradead.org
Cc:     Ilya Lipnitskiy <ilya.lipnitskiy@...il.com>
Subject: [PATCH net-next v2 00/15] mtk_eth_soc: fixes and performance improvements

Most of these changes come from OpenWrt where they have been present and
tested for months.

First three patches are bug fixes. The rest are performance
improvements. The last patch is a cleanup to use the iopoll.h macro for
busy-waiting instead of a custom loop.

v2:
 - Reverse christmas tree in "use iopoll.h macro for DMA init"
 - Use cond_resched() instead of iopoll.h macro in "reduce MDIO bus
   access latency"
 - Use napi_complete_done and rework NAPI callbacks in a new patch

Felix Fietkau (12):
  net: ethernet: mtk_eth_soc: fix RX VLAN offload
  net: ethernet: mtk_eth_soc: unmap RX data before calling build_skb
  net: ethernet: mtk_eth_soc: use napi_consume_skb
  net: ethernet: mtk_eth_soc: reduce MDIO bus access latency
  net: ethernet: mtk_eth_soc: remove unnecessary TX queue stops
  net: ethernet: mtk_eth_soc: use larger burst size for QDMA TX
  net: ethernet: mtk_eth_soc: increase DMA ring sizes
  net: ethernet: mtk_eth_soc: implement dynamic interrupt moderation
  net: ethernet: mtk_eth_soc: cache HW pointer of last freed TX
    descriptor
  net: ethernet: mtk_eth_soc: only read the full RX descriptor if DMA is
    done
  net: ethernet: mtk_eth_soc: reduce unnecessary interrupts
  net: ethernet: mtk_eth_soc: set PPE flow hash as skb hash if present

Ilya Lipnitskiy (3):
  net: ethernet: mtk_eth_soc: fix build_skb cleanup
  net: ethernet: mtk_eth_soc: rework NAPI callbacks
  net: ethernet: mtk_eth_soc: use iopoll.h macro for DMA init

 drivers/net/ethernet/mediatek/Kconfig       |   1 +
 drivers/net/ethernet/mediatek/mtk_eth_soc.c | 262 +++++++++++++-------
 drivers/net/ethernet/mediatek/mtk_eth_soc.h |  50 +++-
 3 files changed, 213 insertions(+), 100 deletions(-)

-- 
2.31.1