[PATCH v8 3/4] app/testpmd: add rxhdrs commands and parameters

[Andrew Rybchenko]

On 10/6/22 02:18, Yuan Wang wrote:
> Add command line parameter:
> --rxhdrs=eth[,ipv4,udp]
> 
> Set the protocol_hdr of segments to scatter packets on receiving if
> split feature is engaged. And the queues with BUFFER_SPLIT flag.
> 
> Add interactive mode command:
> testpmd>set rxhdrs eth,ipv4,udp
> (protocol sequence should be valid)
> 
> The protocol split feature is off by default. To enable protocol split,
> you need:
> 1. Start testpmd with multiple mempools. E.g. --mbuf-size=2048,2048
> 2. Configure Rx queue with rx_offload buffer split on.
> 3. Set the protocol type of buffer split. E.g. set rxhdrs eth,eth-ipv4
>          (default protocols of testpmd : eth|ipv4|ipv6|ipv4-tcp|ipv6-tcp|
>           ipv4-udp|ipv6-udp|ipv4-sctp|ipv6-sctp|grenat|inner-eth|
>           inner-ipv4|inner-ipv6|inner-ipv4-tcp|inner-ipv6-tcp|
>           inner-ipv4-udp|inner-ipv6-udp|inner-ipv4-sctp|inner-ipv6-sctp)
> Above protocols can be configured in testpmd. But the configuration can
> only be applied when it is supported by specific pmd.
> 
> Signed-off-by: Yuan Wang <yuanx.wang at intel.com>
> Signed-off-by: Xuan Ding <xuan.ding at intel.com>
> Signed-off-by: Wenxuan Wu <wenxuanx.wu at intel.com>
> ---
>   app/test-pmd/cmdline.c    | 152 +++++++++++++++++++++++++++++++++++++-
>   app/test-pmd/config.c     |  95 ++++++++++++++++++++++++
>   app/test-pmd/parameters.c |  16 +++-
>   app/test-pmd/testpmd.c    |  11 ++-
>   app/test-pmd/testpmd.h    |   6 ++
>   5 files changed, 273 insertions(+), 7 deletions(-)

testpmd documentaion must be updated:
doc/guides/testpmd_app_ug/testpmd_funcs.rst