[net-next v8 0/3] Add RSS and LRO support

[Frank Wunderlich <linux@fw-web.de>]

From: Frank Wunderlich <frank-w@public-files.de>

This series add RSS and LRO hardware acceleration for terminating
traffic on MT798x.

patches are upported from mtk SDK:
- https://git01.mediatek.com/plugins/gitiles/openwrt/feeds/mtk-openwrt-feeds/+/refs/heads/master/master/files/target/linux/mediatek/patches-6.12/999-eth-08-mtk_eth_soc-add-register-definitions-for-rss-lro-reg.patch
- https://git01.mediatek.com/plugins/gitiles/openwrt/feeds/mtk-openwrt-feeds/+/refs/heads/master/master/files/target/linux/mediatek/patches-6.12/999-eth-09-mtk_eth_soc-add-rss-support.patch
- https://git01.mediatek.com/plugins/gitiles/openwrt/feeds/mtk-openwrt-feeds/+/refs/heads/master/master/files/target/linux/mediatek/patches-6.12/999-eth-10-mtk_eth_soc-add-hw-lro-support.patch
with additional fixes

changes:
  v8:
  - fix more sparse errors, should be all touched lines now

  v7:
  - fix u32 vs. be32 reported by patchwork check
  - add L4 PSH check
    https://git01.mediatek.com/plugins/gitiles/openwrt/feeds/mtk-openwrt-feeds/+/7521c42b0bd5be20d52e20b110daea8c756fc069%5E%21/#F1
  - Add HW LRO max 4-depth VLAN support including switch special tag.
    https://git01.mediatek.com/plugins/gitiles/openwrt/feeds/mtk-openwrt-feeds/+/35490cec6a2e5982532935fb0a1c884f7c4efdb0%5E%21/#F2

  v6:
    - no RFC
    - rebase on netnext (7.1-rc1)
    - drop unused MTK_CTRL_DW0_SDL_MASK
    - e33bd8dd7f1f ("net: mediatek: convert to use .get_rx_ring_count") moved
      ETHTOOL_GRXRINGS handling from mtk_get_rxnfc to mtk_get_rx_ring_count
      move changes to this new function too
    - fix some Macro argument '...' may be better as '(...)' to avoid precedence issues
  v5:
    - fix too long lines after macro changes reported by checkpatch
  v4:
    - drop unrelated file
    - rss-changes suggested by andrew
    - fix MTK_HW_LRO_RING_NUM macro (add eth)
    - fix MTK_LRO_CTRL_DW[123]_CFG (add reg_map param)
    - fix MTK_RX_DONE_INT (add eth param)
    - fix lro reverse christmas tree and LRO params suggested by andrew
    - drop mtk_hwlro_stats_ebl and unused IS_HW_LRO_RING (only used in
      properitary debugfs)
  v3:
    - readded the change dropped in v2 because it was a fix
      for getting RSS working on mt7986
    - changes requested by jakub
    - reworked coverletter (dropped instructions for configuration)
    - name all PDMA-IRQ the same way
    - retested on
      - BPI-R3/mt7986 (RSS needs to be enabled)
      - BPI-R4/mt7988
      - BPI-R64/mt7622 and BPI-R2/mt7623 for not breaking network functionality

  v2:
    - drop wrong change (MTK_CDMP_IG_CTRL is only netsys v1)
    - Fix immutable string IRQ setup (thx to Emilia Schotte)
    - drop links to 6.6 patches/commits in sdk in comments

Mason Chang (3):
  net: ethernet: mtk_eth_soc: Add register definitions for RSS and LRO
  net: ethernet: mtk_eth_soc: Add RSS support
  net: ethernet: mtk_eth_soc: Add LRO support

 drivers/net/ethernet/mediatek/mtk_eth_soc.c | 828 ++++++++++++++++----
 drivers/net/ethernet/mediatek/mtk_eth_soc.h | 177 +++--
 2 files changed, 792 insertions(+), 213 deletions(-)

-- 
2.43.0