[PATCH v9] gro : ipv6 changes to support GRO for TCP/ipv6

[Hu, Jiayu]

Hi Kumara,

> -----Original Message-----
> From: Kumara Parameshwaran <kumaraparamesh92 at gmail.com>
> Sent: Thursday, June 15, 2023 2:20 PM
> To: Hu, Jiayu <jiayu.hu at intel.com>
> Cc: dev at dpdk.org; Kumara Parameshwaran
> <kumaraparamesh92 at gmail.com>
> Subject: [PATCH v9] gro : ipv6 changes to support GRO for TCP/ipv6
> 
> The patch adds GRO support for TCP/ipv6 packets. This does not include the
> support for vxlan, udp ipv6 packets.
> 
> Signed-off-by: Kumara Parameshwaran <kumaraparamesh92 at gmail.com>
> ---
> v1:
> 	* Changes to support GRO for TCP/ipv6 packets. This does not
> include
> 	  vxlan changes.
> 	* The GRO is performed only for ipv6 packets that does not contain
> 	 extension headers.
> 	* The logic for the TCP coalescing remains the same, in ipv6 header
> 	  the source address, destination address, flow label, version fields
> 	  are expected to be the same.
> 	* Re-organised the code to reuse certain tcp functions for both ipv4
> and
> 	  ipv6 flows.
> v2:
> 	* Fix comments in gro_tcp6.h header file.
> 
> v3:
> 	* Adderess review comments to fix code duplication for v4 and v6
> 
> v4:
> 	* Addresses review comments for v3, do not use callbacks
> 
> v5:
> 	* Address review comments
> 
> v6:
> 	* Fix warning and coding style issues
> 
> v7:
> 	* Fix build compilation issue
> 
> v8:
> 	* Use gro_tcp_internal.h for functions used for gro_tcp4 and
> gro_tcp6 and use
> 	  gro_tcp.h for data structures and functions used across
> gro_vxlan_tcp4
> 
> v9:
> 	* Resolve merge conflict and add gro_tcp.h in proper path
> 
>  .../generic_receive_offload_lib.rst           |  21 +-
>  doc/guides/rel_notes/release_23_07.rst        |   2 +
>  lib/gro/gro_tcp.h                             | 187 ++++++++++++
>  lib/gro/gro_tcp4.c                            | 177 +++---------
>  lib/gro/gro_tcp4.h                            | 170 +----------
>  lib/gro/gro_tcp6.c                            | 268 ++++++++++++++++++
>  lib/gro/gro_tcp6.h                            | 160 +++++++++++
>  lib/gro/gro_tcp_internal.h                    | 128 +++++++++
>  lib/gro/gro_vxlan_tcp4.c                      |  22 +-
>  lib/gro/gro_vxlan_tcp4.h                      |   2 +-
>  lib/gro/meson.build                           |   1 +
>  lib/gro/rte_gro.c                             |  83 +++++-
>  lib/gro/rte_gro.h                             |   3 +
>  13 files changed, 883 insertions(+), 341 deletions(-)  create mode 100644
> lib/gro/gro_tcp.h  create mode 100644 lib/gro/gro_tcp6.c  create mode
> 100644 lib/gro/gro_tcp6.h  create mode 100644 lib/gro/gro_tcp_internal.h
> 

Reviewed-by: Jiayu Hu <Jiayu.hu at intel.com>

Hi Kumara,

I notice you write Intel in the license header. Is it intended or mistaken?

Thanks,
Jiayu