[dpdk-dev] [PATCH v12] net/iavf: support flex desc metadata extraction

Ferruh Yigit ferruh.yigit at intel.com
Fri Oct 30 11:51:59 CET 2020


On 10/30/2020 8:40 AM, Jeff Guo wrote:
> Enable metadata extraction for flexible descriptors in AVF, that would
> allow network function directly get metadata without additional parsing
> which would reduce the CPU cost for VFs. The enabling metadata
> extractions involve the metadata of VLAN/IPv4/IPv6/IPv6-FLOW/TCP/MPLS
> flexible descriptors, and the VF could negotiate the capability of
> the flexible descriptor with PF and correspondingly configure the
> specific offload at receiving queues.
> 
> Signed-off-by: Jeff Guo <jia.guo at intel.com>
> Acked-by: Haiyue Wang <haiyue.wang at intel.com>
> ---
> v12:
> refine doc to be briefly
> 
> v11:
> update doc in .map and .rst
> 
> v10:
> delete the makefile configure and rename the dynamic mbuf name
> 
> v9:
> change the undef config
> 
> v8:
> rebase patch for apply issue
> 
> v7:
> clean some useless and add doc
> 
> v6:
> rebase patch
> 
> v5:
> remove ovs configure since ovs is not protocol extraction
> 
> v4:
> add flex desc type in rx queue for handling vector path
> handle ovs flex type
> 
> v3:
> export these global symbols into .map
> 
> v2:
> remove makefile change and modify the rxdid handling
> ---
>   doc/guides/nics/intel_vf.rst            |   4 +
>   doc/guides/rel_notes/release_20_11.rst  |   6 +
>   drivers/net/iavf/iavf.h                 |  24 +-
>   drivers/net/iavf/iavf_ethdev.c          | 394 ++++++++++++++++++++++++
>   drivers/net/iavf/iavf_rxtx.c            | 252 +++++++++++++--
>   drivers/net/iavf/iavf_rxtx.h            | 169 +++++-----
>   drivers/net/iavf/iavf_rxtx_vec_common.h |   3 +
>   drivers/net/iavf/iavf_vchnl.c           |  22 +-
>   drivers/net/iavf/meson.build            |   2 +
>   drivers/net/iavf/rte_pmd_iavf.h         | 250 +++++++++++++++

We should add this public header to the API documentation, if that is the only 
change I can do while merging. Something like:
  diff --git a/doc/api/doxy-api-index.md b/doc/api/doxy-api-index.md
  index a9c12d1a2f..36f8ed7ba8 100644
  --- a/doc/api/doxy-api-index.md
  +++ b/doc/api/doxy-api-index.md
  @@ -41,6 +41,7 @@ The public API headers are grouped by topics:
     [vhost]              (@ref rte_vhost.h),
     [vdpa]               (@ref rte_vdpa.h),
     [KNI]                (@ref rte_kni.h),
  +  [iavf]               (@ref rte_pmd_iavf.h),
     [ixgbe]              (@ref rte_pmd_ixgbe.h),
     [i40e]               (@ref rte_pmd_i40e.h),
     [ice]                (@ref rte_pmd_ice.h),


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