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Update Mellanox buffer profile template to work with an incomplete minigraph #332

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merged 1 commit into from
Oct 2, 2017
Merged

Update Mellanox buffer profile template to work with an incomplete minigraph #332

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36 changes: 23 additions & 13 deletions swssconfig/sample/msn27xx.32ports.buffers.json.j2
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Original file line number Diff line number Diff line change
Expand Up @@ -169,20 +169,26 @@
{% set switch_role = DEVICE_METADATA['localhost']['type'] %}

{%- macro cable_length(port_name) -%}
{%- set cable_len = [] -%}
{%- for neighbor in DEVICE_NEIGHBOR -%}
{%- if DEVICE_NEIGHBOR[neighbor]['local_port'] == port_name -%}
{%- set neighbor_role = DEVICE_NEIGHBOR[neighbor]['type'] -%}
{%- set roles1 = switch_role + '_' + neighbor_role %}
{%- set roles2 = neighbor_role + '_' + switch_role -%}
{%- if roles1 in ports2cable -%}
{{ ports2cable[roles1] }}
{%- elif roles2 in ports2cable -%}
{{ ports2cable[roles2] }}
{%- else -%}
{{ supported_cable | last }}
{%- endif -%}
{%- if DEVICE_NEIGHBOR[neighbor].local_port and DEVICE_NEIGHBOR[neighbor].type -%}
{%- if DEVICE_NEIGHBOR[neighbor]['local_port'] == port_name -%}
{%- set neighbor_role = DEVICE_NEIGHBOR[neighbor]['type'] -%}
{%- set roles1 = switch_role + '_' + neighbor_role %}
{%- set roles2 = neighbor_role + '_' + switch_role -%}
{%- 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 -%}
{{ supported_cable | last }}
{%- endif -%}
{% endmacro %}

{%- macro find_closest_greater_config(speed, cable) -%}
Expand All @@ -204,9 +210,13 @@
{% set ingress_lossless_pg_pool_size = [] %}
{% set used_pg_profiles = [] %}
{% for port in PORT %}
{%- set speed = PORT[port]['speed'] -%}
{%- if PORT[port].speed -%}
{%- set speed = PORT[port]['speed'] -%}
{% else %}
{%- set speed = supported_speed|last -%}
{%- endif -%}
{%- set cable = cable_length(port) -%}
{%- set port_config = speed + '_' + cable -%}
{%- set port_config = speed|string + '_' + cable -%}
{%- if not port_config in portconfig2profile -%}
{% set port_config = find_closest_greater_config(speed, cable) -%}
{%- endif -%}
Expand Down