[PATCH requirements v5 0/7] virtio net requirements for 1.4

[Parav Pandit <parav@nvidia.com>]

Hi All,

This document captures the virtio net device requirements for the upcoming
release 1.4 that some of us are currently working on.

This is live document to be updated in coming time and work towards it
for its design which can result in a draft specification.

The objectives are:
1. to consider these requirements in introducing new features listed in the
document and work towards the interface design followed by drafting the
specification changes.

2. Define list of requirements that can be practical to achieve in 1.4
timeframe incrementally and also have the ability to implement them.

Please review mainly patch 5 at the priority.

Receive flow filters is the first item apart from counters to complete in this iteration to start drafting the design spec.
Rest of the requirements are largly untouched other than Stefan's comment.

TODO:
1. Some more refinement needed for rx low latency and header data split
   requirements.

changelog:
v4->v5:
- Refined receive flow filter requirements to be ready for spec draft
- updated timestamp requirement to feedback from Willem
- Fixed counters rquirements on comments from David
v3->v4:
- receive flow filters requirements undergo major updates to take to
  spec draft level.
- Addressed comments from Xuan, Heng, David, Satananda.
- Refined wordings in rest of the requirements
v2->v3:
- addressed comments from Stefan for tx low latency and notification
- redrafted the requirements to use rearm term and avoid queue enable
  confusion for notification
- addressed all comments and refined receive flow filters requirements to
  take to design level
v1->v2:
- major update of receive flow filter requirements updated based on last
  two design discussions in community and offline research
- examples added
- link to use case and design goal added
- control and operation side requirements split
- more verbose
v0->v1:
- addressed comments from Heng Li
- addressed few (not all) comments from Michael
- per patch changelog 

Parav Pandit (7):
  net-features: Add requirements document for release 1.4
  net-features: Add low latency transmit queue requirements
  net-features: Add low latency receive queue requirements
  net-features: Add notification coalescing requirements
  net-features: Add n-tuple receive flow filters requirements
  net-features: Add packet timestamp requirements
  net-features: Add header data split requirements

 net-workstream/features-1.4.md | 383 +++++++++++++++++++++++++++++++++
 1 file changed, 383 insertions(+)
 create mode 100644 net-workstream/features-1.4.md

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