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Date: Tue, 31 Jul 2018 17:11:52 +0300
From: Leon Romanovsky <leonro@...lanox.com>
To: Doug Ledford <dledford@...hat.com>,
Jason Gunthorpe <jgg@...lanox.com>
Cc: RDMA mailing list <linux-rdma@...r.kernel.org>,
Guy Levi <guyle@...lanox.com>, Mark Bloch <markb@...lanox.com>,
Or Gerlitz <ogerlitz@...lanox.com>,
Saeed Mahameed <saeedm@...lanox.com>,
linux-netdev <netdev@...r.kernel.org>
Subject: Re: [PATCH rdma-next 00/27] Flow actions to mutate packets
On Sun, Jul 29, 2018 at 03:58:38PM +0300, Leon Romanovsky wrote:
> From: Leon Romanovsky <leonro@...lanox.com>
>
> Hi,
>
> This is PATCH variant of RFC posted in previous week to the ML.
> https://patchwork.ozlabs.org/cover/944184/
>
> Changelog:
> RFC -> v0:
> * Patch 1 a new patch which refactors the logic
> when getting a flow namespace.
> * Patch 2 was split into two.
> * Patch 3: Fixed a typo in commit message
> * Patch 5: Updated commit message
> * Patch 7: Updated commit message
> Renamed:
> - MLX5_FLOW_CONTEXT_ACTION_PACKET_REFORMAT_ID to
> MLX5_FLOW_CONTEXT_ACTION_PACKET_REFORMAT
> - packet_reformat_id to reformat_id in struct mlx5_flow_act
> - packet_reformat_id to encap_id in struct mlx5_esw_flow_attr
> - packet_reformat_id to encap_id in struct mlx5e_encap_entry
> - PACKET_REFORMAT to REFORMAT when printing trace points
> * Patch 9: Updated commit message
> Updated function declaration in mlx5_core.h, could of lead
> to compile error on bisection.
> * Patch 11: Disallow egress rules insertion when in switchdev mode
> * Patch 12: A new patch to deal with passing enum values using
> the IOCTL infrastructure.
> * Patch 13: Use new enum value attribute when passing enum
> mlx5_ib_uapi_flow_table_type
> * Patch 15: Don't set encap flags on flow tables if in switchdev mode
> * Patch 17: Use new enum value attribute when passing enum
> mlx5_ib_uapi_flow_table_type and enum
> mlx5_ib_uapi_flow_action_packet_reformat_type
> * Patch 19: Allow creation of both
> MLX5_IB_UAPI_FLOW_ACTION_PACKET_REFORMAT_TYPE_L2_TO_L3_TUNNEL
> and MLX5_IB_UAPI_FLOW_ACTION_PACKET_REFORMAT_TYPE_L3_TUNNEL_TO_L2 packet
> reformat actions.
> * Patch 20: A new patch which allows attaching packet reformat
> actions to flow tables on NIC RX.
>
> Thanks
>
> ------------------------------------------------------------------------
> From Mark:
> This series exposes the ability to create flow actions which can
> mutate packet headers. We do that by exposing two new verbs:
> * modify header - can change existing packet headers. packet
> * reformat - can encapsulate or decapsulate a packet.
> Once created a flow action must be attached to a steering
> rule for it to take effect.
>
> Thanks
>
> Guy Levi (1):
> IB/uverbs: Add IDRs array attribute type to ioctl() interface
>
> Mark Bloch (26):
> net/mlx5: Cleanup flow namespace getter switch logic
> net/mlx5: Add proper NIC TX steering flow tables support
> net/mlx5: Export modify header alloc/dealloc functions
> net/mlx5: Add support for more namespaces when allocating modify
> header
> net/mlx5: Break encap/decap into two separated flow table creation
> flags
> net/mlx5: Move header encap type to IFC header file
> {net, RDMA}/mlx5: Rename encap to reformat packet
> net/mlx5: Expose new packet reformat capabilities
> net/mlx5: Pass a namespace for packet reformat ID allocation
> net/mlx5: Export packet reformat alloc/dealloc functions
> RDMA/mlx5: Add NIC TX steering support
> RDMA/uverbs: Add UVERBS_ATTR_CONST_IN to the specs language
> RDMA/mlx5: Add a new flow action verb, modify header
> RDMA/mlx5: Enable attaching modify header to steering flows
> RDMA/mlx5: Enable decap and packet reformat on flow tables
> RDMA/uverbs: Add generic function to fill in flow action object
> RDMA/mlx5: Add new flow action verb, packet reformat
> RDMA/mlx5: Enable attaching DECAP action to steering flows
> RDMA/mlx5: Extend packet reformat verbs
> RDMA/mlx5: Enable reformat on NIC RX if supported
> RDMA/mlx5: Enable attaching packet reformat action to steering flows
> RDMA/mlx5: Refactor flow action parsing to be more generic
> RDMA/mlx5: Refactor DEVX flow creation
> RDMA/mlx5: Add flow actions support to DEVX create flow
> RDMA/mlx5: Add NIC TX namespace when getting a flow table
> RDMA/mlx5: Allow creating a matcher for a NIC TX flow table
>
> drivers/infiniband/core/uverbs_ioctl.c | 115 ++++++-
> .../infiniband/core/uverbs_std_types_flow_action.c | 7 +-
> drivers/infiniband/hw/mlx5/devx.c | 6 +-
> drivers/infiniband/hw/mlx5/flow.c | 351 ++++++++++++++++++++-
> drivers/infiniband/hw/mlx5/main.c | 140 +++++---
> drivers/infiniband/hw/mlx5/mlx5_ib.h | 26 +-
> drivers/net/ethernet/mellanox/mlx5/core/cmd.c | 8 +-
> .../mellanox/mlx5/core/diag/fs_tracepoint.h | 2 +-
> drivers/net/ethernet/mellanox/mlx5/core/en_tc.c | 50 +--
> drivers/net/ethernet/mellanox/mlx5/core/eswitch.c | 2 +-
> .../ethernet/mellanox/mlx5/core/eswitch_offloads.c | 9 +-
> drivers/net/ethernet/mellanox/mlx5/core/fs_cmd.c | 87 +++--
> drivers/net/ethernet/mellanox/mlx5/core/fs_core.c | 57 ++--
> .../net/ethernet/mellanox/mlx5/core/mlx5_core.h | 11 -
> include/linux/mlx5/device.h | 6 +
> include/linux/mlx5/fs.h | 20 +-
> include/linux/mlx5/mlx5_ifc.h | 70 ++--
> include/rdma/uverbs_ioctl.h | 98 +++++-
> include/rdma/uverbs_std_types.h | 12 +
> include/uapi/rdma/mlx5_user_ioctl_cmds.h | 20 ++
> include/uapi/rdma/mlx5_user_ioctl_verbs.h | 12 +
> include/uapi/rdma/rdma_user_ioctl_cmds.h | 2 +-
> 22 files changed, 928 insertions(+), 183 deletions(-)
>
> --
Jason, Doug
Please drop this series, we will reshuffle it to have less patches in
the series and will resubmit.
Thanks
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