sonic-buildimage/device/delta/x86_64-delta_evs-a-32q56-r0/Delta-evs-a-32q56_32x100/buffers.json.j2

{# Default values which will be used if no actual configura available #}
{% set default_cable = '40m' %}

{# Port configuration to cable length look-up table #}
{# Each record describes mapping of DUT (DUT port) role and neighbor role to cable length #}
{# Roles described in the minigraph #}
{% set ports2cable = {
        'torrouter_server'       : '5m',
        'leafrouter_torrouter'   : '40m',
        'spinerouter_leafrouter' : '300m'
        }
%}

{%- macro cable_length(port_name) %}
    {%- set cable_len = [] %}
    {%- for local_port in DEVICE_NEIGHBOR %}
        {%- if local_port == port_name %}
            {%- if DEVICE_NEIGHBOR_METADATA is defined and DEVICE_NEIGHBOR_METADATA[DEVICE_NEIGHBOR[local_port].name] %}
                {%- set neighbor = DEVICE_NEIGHBOR_METADATA[DEVICE_NEIGHBOR[local_port].name] %}
                {%- set neighbor_role = neighbor.type %}
                {%- set roles1 = switch_role + '_' + neighbor_role %}
                {%- set roles2 = neighbor_role + '_' + switch_role %}
                {%- set roles1 = roles1 | lower %}
                {%- set roles2 = roles2 | lower %}
                {%- if roles1 in ports2cable %}
                    {%- if cable_len.append(ports2cable[roles1]) %}{% endif %}
                {%- elif roles2 in ports2cable %}
                    {%- if cable_len.append(ports2cable[roles2]) %}{% endif %}
                {%- endif %}
            {%- endif %}
        {%- endif %}
    {%- endfor %}
    {%- if cable_len -%}
        {{ cable_len.0 }}
    {%- else %}
        {%- if switch_role.lower() == 'torrouter' %}
            {%- for local_port in VLAN_MEMBER %}
                {%- if local_port[1] == port_name %}
                    {%- set roles3 = switch_role + '_' + 'server' %}
                    {%- set roles3 = roles3 | lower %}
                    {%- if roles3 in ports2cable %}
                        {%- if cable_len.append(ports2cable[roles3]) %}{% endif %}
                    {%- endif %}
                {%- endif %}
            {%- endfor %}
            {%- if cable_len -%}
                {{ cable_len.0 }}
            {%- else -%}
                {{ default_cable }}
            {%- endif %}
        {%- else -%}
            {{ default_cable }}
        {%- endif %}
    {%- endif %}
{%- endmacro %}

{%- if DEVICE_METADATA is defined %}
{%- set switch_role = DEVICE_METADATA['localhost']['type'] %}
{%- endif -%}

{% set port_names_list = [] %}
{% for port in PORT %}
    {%- if port_names_list.append(port) %}{% endif %}
{% endfor %}
{% set port_names = port_names_list | join(',') -%}

{
    "CABLE_LENGTH": {
        "AZURE": {
    {% for port in PORT %}
        {% set cable = cable_length(port) -%}
        "{{ port }}": "{{ cable }}"{%- if not loop.last -%},{% endif %}

    {% endfor %}
    }
    },
    "BUFFER_POOL": {
        "ingress_lossless_pool": {
            "size": "34056960",
            "type": "ingress",
            "mode": "dynamic",
            "xoff": "4185600"
        },
        "lossy_pool": {
            "size": "14595840",
            "type": "egress",
            "mode": "dynamic",
            "xoff": "0"
        }
    },
    "BUFFER_PROFILE": {
        "ingress_lossless_profile": {
            "pool":"[BUFFER_POOL|ingress_lossless_pool]",
            "xoff":"38816",
            "size":"1518",
            "dynamic_th":"3",
            "xon_offset":"13440"
        },
        "egress_lossless_profile": {
            "pool":"[BUFFER_POOL|ingress_lossless_pool]",
            "size":"0",
            "static_th":"23001600"
        },
        "ingress_lossy_profile": {
            "pool":"[BUFFER_POOL|lossy_pool]",
            "size":"0",
            "static_th":"23001600"
        },
        "egress_lossy_profile": {
            "pool":"[BUFFER_POOL|lossy_pool]",
            "size":"1518",
            "dynamic_th":"3"
        }
    },
    "BUFFER_PG": {
        "{{ port_names }}|0-2": {
            "profile" : "[BUFFER_PROFILE|ingress_lossy_profile]"
        },
        "{{ port_names }}|3-4": {
            "profile" : "[BUFFER_PROFILE|ingress_lossless_profile]"
        },
        "{{ port_names }}|5-7": {
            "profile" : "[BUFFER_PROFILE|ingress_lossy_profile]"
        }
    },
    "BUFFER_QUEUE": {
        "{{ port_names }}|3-4": {
            "profile" : "[BUFFER_PROFILE|egress_lossless_profile]"
        },
        "{{ port_names }}|0-2": {
            "profile" : "[BUFFER_PROFILE|egress_lossy_profile]"
        },
        "{{ port_names }}|5-7": {
            "profile" : "[BUFFER_PROFILE|egress_lossy_profile]"
        }
    }
}