OpenConfig Yang document for Link Layer Retry feature

[ArthiGovindaraj]

Document for Openconfig YANG model for Link Layer Retry (LLR)

Proposed Openconfig LLR Yang tree:

module: openconfig-llr
  +--rw llr
     +--rw config
     +--ro state
     +--rw interfaces
     |  +--rw interface* [name]
     |     +--rw name      -> ../config/name
     |     +--rw config
     |     |  +--rw name?          oc-if:interface-id
     |     |  +--rw llr-mode?      llr-mode-enumeration
     |     |  +--rw llr-local?     boolean
     |     |  +--rw llr-remote?    boolean
     |     |  +--rw llr-profile?   string
     |     +--ro state
     |        +--ro name?          oc-if:interface-id
     |        +--ro llr-mode?      llr-mode-enumeration
     |        +--ro llr-local?     boolean
     |        +--ro llr-remote?    boolean
     |        +--ro llr-profile?   string
     |        +--ro counters
     |           +--ro tx-init-ctl-os?             oc-yang:counter64
     |           +--ro tx-init-echo-ctl-os?        oc-yang:counter64
     |           +--ro tx-ack-ctl-os?              oc-yang:counter64
     |           +--ro tx-nack-ctl-os?             oc-yang:counter64
     |           +--ro tx-discard?                 oc-yang:counter64
     |           +--ro tx-ok?                      oc-yang:counter64
     |           +--ro tx-poisoned?                oc-yang:counter64
     |           +--ro tx-replay?                  oc-yang:counter64
     |           +--ro rx-init-ctl-os?             oc-yang:counter64
     |           +--ro rx-init-echo-ctl-os?        oc-yang:counter64
     |           +--ro rx-ack-ctl-os?              oc-yang:counter64
     |           +--ro rx-nack-ctl-os?             oc-yang:counter64
     |           +--ro rx-ack-nack-seq-error?      oc-yang:counter64
     |           +--ro rx-ok?                      oc-yang:counter64
     |           +--ro rx-poisoned?                oc-yang:counter64
     |           +--ro rx-bad?                     oc-yang:counter64
     |           +--ro rx-expected-seq-good?       oc-yang:counter64
     |           +--ro rx-expected-seq-poisoned?   oc-yang:counter64
     |           +--ro rx-expected-seq-bad?        oc-yang:counter64
     |           +--ro rx-missing-seq?             oc-yang:counter64
     |           +--ro rx-duplicate-seq?           oc-yang:counter64
     |           +--ro rx-replay?                  oc-yang:counter64
     +--rw profiles
        +--rw profile* [name]
           +--rw name      -> ../config/name
           +--rw config
           |  +--rw name?                     string
           |  +--rw max-outstanding-frames    uint32
           |  +--rw max-outstanding-bytes     uint32
           |  +--rw max-replay-count?         uint8
           |  +--rw max-replay-timer?         uint32
           |  +--rw pcs-lost-timeout?         uint32
           |  +--rw data-age-timeout?         uint32
           |  +--rw ctlos-spacing-bytes?      uint16
           |  +--rw init-action?              identityref
           |  +--rw flush-action?             identityref
           +--ro state
              +--ro name?                     string
              +--ro max-outstanding-frames    uint32
              +--ro max-outstanding-bytes     uint32
              +--ro max-replay-count?         uint8
              +--ro max-replay-timer?         uint32
              +--ro pcs-lost-timeout?         uint32
              +--ro data-age-timeout?         uint32
              +--ro ctlos-spacing-bytes?      uint16
              +--ro init-action?              identityref
              +--ro flush-action?             identityref

[mssonicbld]

/azp run

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[mssonicbld]

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[ArthiGovindaraj]

@rck-innovium request for review