[dpdk-dev] [PATCH v2 0/6] ip_pipeline: routing pipeline improvements

[Jasvinder Singh]

This commit adds following features to the routing pipeline;

1. Implements the tracking mechanism for the routing pipeline for identifying
the physical nic port where a specific output ports of the routing pipeline are
eventually connected. Depending upon the application, tracking could involve
traversing the other intermediate pipelines.

The pipelines such as pass-through allows tracking to be performaned through
them becasue of straightforward connections between their input and output
ports, while pipelines like flow-classifications, firewall fails the tracking
because of dependency upon the table rule set. As a result of tracking
mechainsm, routing pipeline uses the real MAC addresses of the network
interfaces instead of hardcoded default value.

2. Adds support for automatic route automatic update when physical NIC ports
change their state (up/down) or configuration. Every time a physical port
goes up/down, a call-back function that the specific pipeline type
(e.g. routing) registered with NIC ports at init time; will simply add/delete
a route associated with that output port.

v2
- rebased on top of "ip_pipeline: add rss support" patch
  http://dpdk.org/dev/patchwork/patch/13110/
- split the single patch into multiple patches of the patchset. 
- add post init function for tracking and linking physical nic with 
  routing pipeline output port
- create default tracking function "app_pipeline_track_default()" in
  pipeline_common_fe.c for all the pipelines except pass-through
- fix port in/out connections in passthrough pipeline tracking function
  and move that function to pipeline/pipeline_passthrough.c
- fix mac address endianess issue in routing pipeline table
- add/remove implicit routes (for host and local network) when corresponding
  link is brought up/down
- update the release notes

Acked-by: Cristian Dumitrescu <cristian.dumitrescu at intel.com>

Jasvinder Singh (6):
  ip_pipeline: increase macros values
  ip_pipeline: linking routing pipeline output ports with NIC ports
  ip_pipeline: assign nic ports mac address to the routing pipeline
    outports
  ip_pipeline: automatic routes update with the change in nic ports
    state
  ip_pipeline: sample config file on adding various network layer
    components
  ip_pipeline: update release notes

 doc/guides/rel_notes/release_16_07.rst             |  10 +
 examples/ip_pipeline/app.h                         | 184 ++++++++++++++--
 examples/ip_pipeline/config/network_layers.cfg     | 223 +++++++++++++++++++
 examples/ip_pipeline/config/network_layers.sh      |  79 +++++++
 examples/ip_pipeline/init.c                        |  32 ++-
 examples/ip_pipeline/pipeline.h                    |  11 +-
 examples/ip_pipeline/pipeline/pipeline_common_fe.c | 161 ++++++++++++++
 examples/ip_pipeline/pipeline/pipeline_common_fe.h |  17 ++
 examples/ip_pipeline/pipeline/pipeline_firewall.c  |   2 +
 .../ip_pipeline/pipeline/pipeline_firewall_be.c    |  22 --
 .../ip_pipeline/pipeline/pipeline_flow_actions.c   |   2 +
 .../pipeline/pipeline_flow_actions_be.c            |  22 --
 .../pipeline/pipeline_flow_classification.c        |   2 +
 .../pipeline/pipeline_flow_classification_be.c     |  22 --
 examples/ip_pipeline/pipeline/pipeline_master.c    |   2 +
 examples/ip_pipeline/pipeline/pipeline_master_be.c |  13 +-
 .../ip_pipeline/pipeline/pipeline_passthrough.c    |  27 +++
 .../ip_pipeline/pipeline/pipeline_passthrough_be.c |  39 ++--
 examples/ip_pipeline/pipeline/pipeline_routing.c   | 239 ++++++++++++++++++++-
 examples/ip_pipeline/pipeline/pipeline_routing.h   |   7 +
 .../ip_pipeline/pipeline/pipeline_routing_be.c     | 102 +++++----
 .../ip_pipeline/pipeline/pipeline_routing_be.h     |  16 ++
 examples/ip_pipeline/pipeline_be.h                 |  18 +-
 23 files changed, 1091 insertions(+), 161 deletions(-)
 create mode 100644 examples/ip_pipeline/config/network_layers.cfg
 create mode 100644 examples/ip_pipeline/config/network_layers.sh

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2.5.5