netdev - [PATCH net-next v8 0/3] net: qualcomm: rmnet: Enable Mapv5

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Date:   Wed,  2 Jun 2021 00:58:33 +0530
From:   Sharath Chandra Vurukala <sharathv@...eaurora.org>
To:     davem@...emloft.net, kuba@...nel.org, elder@...nel.org,
        cpratapa@...eaurora.org, netdev@...r.kernel.org,
        linux-kernel@...r.kernel.org, subashab@...eaurora.org,
        stranche@...eaurora.org
Cc:     Sharath Chandra Vurukala <sharathv@...eaurora.org>
Subject: [PATCH net-next v8 0/3] net: qualcomm: rmnet: Enable Mapv5

This series introduces the MAPv5 packet format.

   Patch 0 documents the MAPv4/v5.
   Patch 1 introduces the MAPv5 and the Inline checksum offload for RX/Ingress.
   Patch 2 introduces the MAPv5 and the Inline checksum offload for TX/Egress.

   A new checksum header format is used as part of MAPv5.For RX checksum offload,
   the checksum is verified by the HW and the validity is marked in the checksum
   header of MAPv5. For TX, the required metadata is filled up so hardware can
   compute the checksum.

   v1->v2:
   - Fixed the compilation errors, warnings reported by kernel test robot.
   - Checksum header definition is expanded to support big, little endian
           formats as mentioned by Jakub.

   v2->v3:
   - Fixed compilation errors reported by kernel bot for big endian flavor.

   v3->v4:
   - Made changes to use masks instead of C bit-fields as suggested by Jakub/Alex.

   v4->v5:
   - Corrected checkpatch errors and warnings reported by patchwork.

   v5->v6:
   - Corrected the bug identified by Alex and incorporated all his comments.

   v6->v7:
   - Removed duplicate inclusion of linux/bitfield.h in rmnet_map_data.c

   v7->v8:
   - Have addressed comments given by JAkub on v7 patches.
   - As suggested by Jakub, skb_cow_head() is used instead of expanding 
     the head directly. This is now done in  rmnet_map_egress_handler().

Sharath Chandra Vurukala (3):
  docs: networking: Add documentation for MAPv5
  net: ethernet: rmnet: Support for ingress MAPv5 checksum offload
  net: ethernet: rmnet: Add support for MAPv5 egress packets

 .../device_drivers/cellular/qualcomm/rmnet.rst     | 126 +++++++++++++++--
 drivers/net/ethernet/qualcomm/rmnet/rmnet_config.h |   4 +-
 .../net/ethernet/qualcomm/rmnet/rmnet_handlers.c   |  40 +++---
 drivers/net/ethernet/qualcomm/rmnet/rmnet_map.h    |  11 +-
 .../net/ethernet/qualcomm/rmnet/rmnet_map_data.c   | 149 +++++++++++++++++++--
 drivers/net/ethernet/qualcomm/rmnet/rmnet_vnd.c    |   1 +
 include/linux/if_rmnet.h                           |  30 ++++-
 include/uapi/linux/if_link.h                       |   2 +
 8 files changed, 321 insertions(+), 42 deletions(-)

-- 
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a Linux Foundation Collaborative Project