[dpdk-dev] [PATCH 0/9] net/cxgbe: add support for offloading flows to HASH region

[Ferruh Yigit]

On 6/29/2018 7:12 PM, Rahul Lakkireddy wrote:
> This series of patches add support to offload flows to HASH region
> available on Chelsio T6 NICs. HASH region can only offload exact match
> (maskless) flows and hence the masks must be all set for all match
> items.

Hi Shagun, Rahul,

Can you please update driver documentation [1] and release notes [2] for new
added features, HASH(?) region offload support, CLIP region support etc...

[1]: doc/guides/nics/cxgbe.rst
[2]: doc/guides/rel_notes/release_18_08.rst

Thanks,
ferruh

> 
> Patch 1 queries firmware for HASH filter support.
> 
> Patch 2 updates cxgbe_flow to decide whether to place flows in LE-TCAM
> or HASH region based on supported hardware configuration and masks of
> match items.
> 
> Patch 3 adds Compressed Local IP (CLIP) region support for offloading
> IPv6 flows in HASH region. Also updates LE-TCAM region to use CLIP for
> offloading IPv6 flows on Chelsio T6 NICs.
> 
> Patch 4 adds support for offloading flows to HASH region.
> 
> Patch 5 adds support for deleting flows in HASH region.
> 
> Patch 6 adds support to query hit and byte counters for offloaded flows
> in HASH region.
> 
> Patch 7 adds support to flush filters in HASH region.
> 
> Patch 8 adds support to match flows based on physical ingress port.
> 
> Patch 9 adds support to redirect packets matching flows to specified
> physical egress port without sending them to host.
> 
> Thanks,
> Rahul
> 
> Shagun Agrawal (9):
>   net/cxgbe: query firmware for HASH filter resources
>   net/cxgbe: validate flows offloaded to HASH region
>   net/cxgbe: add Compressed Local IP region
>   net/cxgbe: add support to offload flows to HASH region
>   net/cxgbe: add support to delete flows in HASH region
>   net/cxgbe: add support to query hit counters for flows in HASH region
>   net/cxgbe: add support to flush flows in HASH region
>   net/cxgbe: add support to match on ingress physical port
>   net/cxgbe: add support to redirect packets to egress physical port
> 
>  drivers/net/cxgbe/Makefile              |   1 +
>  drivers/net/cxgbe/base/adapter.h        |  43 ++
>  drivers/net/cxgbe/base/common.h         |  10 +
>  drivers/net/cxgbe/base/t4_hw.c          |   7 +
>  drivers/net/cxgbe/base/t4_msg.h         | 188 +++++++++
>  drivers/net/cxgbe/base/t4_regs.h        |  12 +
>  drivers/net/cxgbe/base/t4_tcb.h         |  26 ++
>  drivers/net/cxgbe/base/t4fw_interface.h |  31 ++
>  drivers/net/cxgbe/clip_tbl.c            | 195 +++++++++
>  drivers/net/cxgbe/clip_tbl.h            |  31 ++
>  drivers/net/cxgbe/cxgbe_compat.h        |  12 +
>  drivers/net/cxgbe/cxgbe_filter.c        | 697 ++++++++++++++++++++++++++++++--
>  drivers/net/cxgbe/cxgbe_filter.h        |  13 +-
>  drivers/net/cxgbe/cxgbe_flow.c          | 151 ++++++-
>  drivers/net/cxgbe/cxgbe_main.c          | 170 +++++++-
>  drivers/net/cxgbe/cxgbe_ofld.h          |  66 ++-
>  16 files changed, 1614 insertions(+), 39 deletions(-)
>  create mode 100644 drivers/net/cxgbe/base/t4_tcb.h
>  create mode 100644 drivers/net/cxgbe/clip_tbl.c
>  create mode 100644 drivers/net/cxgbe/clip_tbl.h
>