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Add new SKU of Mellanox-SN2700-D40C8S8 (#6876)
#### Why I did it Add new SKU for SN2700 Mellanox system that supports the following port configuration: 8 X 100G 40 X 50G 8 X 10G #### How I did it Add new Folder - "Mellanox-SN2700-D40C8S8" under /sonic-buildimage/device/mellanox/x86_64-mlnx_msn2700-r0/ that contains the relevant files supporting this SKU the buffers are based on SKU: D48C8 . Later on it will be configured specific for this SKU #### How to verify it Bring up the image, run "show interface status" and make sure that all ports are up and reflect the following requirement: Port 1/3 will be used as 4x10G Port 2/4 - Not exist (blocked since 1 and 3 split to 4) Port 7/8/9/10/23/24/25/26 will used as 100G All other ports will be used as 2x50G #### Which release branch to backport (provide reason below if selected) - [ ] 201811 - [ ] 201911 - [ ] 202006 - [X] 202012 #### Description for the changelog Support new SKU under the name of SN2700-D40C8S8
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‎device/mellanox/x86_64-mlnx_msn2700-r0/Mellanox-SN2700-D40C8S8/buffers.json.j2‎

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../ACS-MSN2700/buffers.json.j2

‎device/mellanox/x86_64-mlnx_msn2700-r0/Mellanox-SN2700-D40C8S8/buffers_defaults_t0.j2‎

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{% set default_cable = '5m' %}
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{% set ingress_lossless_pool_size = '7719936' %}
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{% set ingress_lossless_pool_xoff = '1032192' %}
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{% set egress_lossless_pool_size = '13945824' %}
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{% set egress_lossy_pool_size = '7719936' %}
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{%- macro generate_port_lists(PORT_ALL) %}
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{# Generate list of ports #}
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{%- for port_idx in range(0, 32) %}
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{%- if PORT_ALL.append("Ethernet%d" % (port_idx)) %}{%- endif %}
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{%- endfor %}
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{%- endmacro %}
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{%- macro generate_buffer_pool_and_profiles() %}
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"BUFFER_POOL": {
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"ingress_lossless_pool": {
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"size": "{{ ingress_lossless_pool_size }}",
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"xoff": "{{ ingress_lossless_pool_xoff }}",
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"type": "ingress",
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"mode": "dynamic"
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},
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"egress_lossless_pool": {
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"size": "{{ egress_lossless_pool_size }}",
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"type": "egress",
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"mode": "dynamic"
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},
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"egress_lossy_pool": {
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"size": "{{ egress_lossy_pool_size }}",
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"type": "egress",
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"mode": "dynamic"
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}
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},
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"BUFFER_PROFILE": {
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"ingress_lossless_profile": {
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"pool":"[BUFFER_POOL|ingress_lossless_pool]",
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"size":"0",
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"dynamic_th":"7"
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},
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"ingress_lossy_profile": {
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"pool":"[BUFFER_POOL|ingress_lossless_pool]",
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"size":"0",
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"dynamic_th":"3"
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},
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"egress_lossless_profile": {
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"pool":"[BUFFER_POOL|egress_lossless_pool]",
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"size":"0",
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"dynamic_th":"7"
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},
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"egress_lossy_profile": {
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"pool":"[BUFFER_POOL|egress_lossy_pool]",
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"size":"9216",
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"dynamic_th":"7"
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},
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"q_lossy_profile": {
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"pool":"[BUFFER_POOL|egress_lossy_pool]",
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"size":"0",
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"dynamic_th":"3"
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}
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},
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{%- endmacro %}
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{%- macro generate_profile_lists(port_names) %}
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"BUFFER_PORT_INGRESS_PROFILE_LIST": {
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{% for port in port_names.split(',') %}
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"{{ port }}": {
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"profile_list" : "[BUFFER_PROFILE|ingress_lossless_profile]"
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}{% if not loop.last %},{% endif %}
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{% endfor %}
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},
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"BUFFER_PORT_EGRESS_PROFILE_LIST": {
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{% for port in port_names.split(',') %}
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"{{ port }}": {
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"profile_list" : "[BUFFER_PROFILE|egress_lossless_profile],[BUFFER_PROFILE|egress_lossy_profile]"
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}{% if not loop.last %},{% endif %}
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{% endfor %}
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}
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{%- endmacro %}
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{%- macro generate_queue_buffers(port_names) %}
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"BUFFER_QUEUE": {
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{% for port in port_names.split(',') %}
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"{{ port }}|3-4": {
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"profile" : "[BUFFER_PROFILE|egress_lossless_profile]"
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},
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{% endfor %}
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{% for port in port_names.split(',') %}
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"{{ port }}|0-2": {
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"profile" : "[BUFFER_PROFILE|q_lossy_profile]"
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},
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{% endfor %}
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{% for port in port_names.split(',') %}
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"{{ port }}|5-6": {
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"profile" : "[BUFFER_PROFILE|q_lossy_profile]"
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}{% if not loop.last %},{% endif %}
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{% endfor %}
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}
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{%- endmacro %}
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‎device/mellanox/x86_64-mlnx_msn2700-r0/Mellanox-SN2700-D40C8S8/buffers_defaults_t1.j2‎

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{% set default_cable = '5m' %}
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{% set ingress_lossless_pool_size = '9686016' %}
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{% set ingress_lossless_pool_xoff = '1179648' %}
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{% set egress_lossless_pool_size = '13945824' %}
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{% set egress_lossy_pool_size = '9686016' %}
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{%- macro generate_port_lists(PORT_ALL) %}
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{# Generate list of ports #}
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{%- for port_idx in range(0, 32) %}
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{%- if PORT_ALL.append("Ethernet%d" % (port_idx)) %}{%- endif %}
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{%- endfor %}
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{%- endmacro %}
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{%- macro generate_buffer_pool_and_profiles() %}
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"BUFFER_POOL": {
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"ingress_lossless_pool": {
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"size": "{{ ingress_lossless_pool_size }}",
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"xoff": "{{ ingress_lossless_pool_xoff }}",
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"type": "ingress",
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"mode": "dynamic"
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},
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"egress_lossless_pool": {
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"size": "{{ egress_lossless_pool_size }}",
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"type": "egress",
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"mode": "dynamic"
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},
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"egress_lossy_pool": {
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"size": "{{ egress_lossy_pool_size }}",
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"type": "egress",
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"mode": "dynamic"
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}
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},
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"BUFFER_PROFILE": {
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"ingress_lossless_profile": {
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"pool":"[BUFFER_POOL|ingress_lossless_pool]",
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"size":"0",
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"dynamic_th":"7"
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},
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"ingress_lossy_profile": {
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"pool":"[BUFFER_POOL|ingress_lossless_pool]",
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"size":"0",
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"dynamic_th":"3"
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},
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"egress_lossless_profile": {
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"pool":"[BUFFER_POOL|egress_lossless_pool]",
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"size":"0",
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"dynamic_th":"7"
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},
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"egress_lossy_profile": {
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"pool":"[BUFFER_POOL|egress_lossy_pool]",
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"size":"9216",
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"dynamic_th":"7"
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},
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"q_lossy_profile": {
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"pool":"[BUFFER_POOL|egress_lossy_pool]",
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"size":"0",
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"dynamic_th":"3"
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}
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},
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{%- endmacro %}
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{%- macro generate_profile_lists(port_names) %}
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"BUFFER_PORT_INGRESS_PROFILE_LIST": {
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{% for port in port_names.split(',') %}
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"{{ port }}": {
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"profile_list" : "[BUFFER_PROFILE|ingress_lossless_profile]"
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}{% if not loop.last %},{% endif %}
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{% endfor %}
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},
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"BUFFER_PORT_EGRESS_PROFILE_LIST": {
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{% for port in port_names.split(',') %}
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"{{ port }}": {
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"profile_list" : "[BUFFER_PROFILE|egress_lossless_profile],[BUFFER_PROFILE|egress_lossy_profile]"
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}{% if not loop.last %},{% endif %}
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{% endfor %}
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}
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{%- endmacro %}
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{%- macro generate_queue_buffers(port_names) %}
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"BUFFER_QUEUE": {
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{% for port in port_names.split(',') %}
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"{{ port }}|3-4": {
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"profile" : "[BUFFER_PROFILE|egress_lossless_profile]"
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},
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{% endfor %}
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{% for port in port_names.split(',') %}
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"{{ port }}|0-2": {
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"profile" : "[BUFFER_PROFILE|q_lossy_profile]"
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},
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{% endfor %}
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{% for port in port_names.split(',') %}
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"{{ port }}|5-6": {
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"profile" : "[BUFFER_PROFILE|q_lossy_profile]"
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}{% if not loop.last %},{% endif %}
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{% endfor %}
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}
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{%- endmacro %}
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‎device/mellanox/x86_64-mlnx_msn2700-r0/Mellanox-SN2700-D40C8S8/pg_profile_lookup.ini‎

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# PG lossless profiles.
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# speed cable size xon xoff threshold
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10000 5m 19456 19456 22528 0
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25000 5m 19456 19456 22528 0
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40000 5m 19456 19456 22528 0
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50000 5m 19456 19456 22528 0
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100000 5m 19456 19456 23552 0
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10000 40m 19456 19456 22528 0
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25000 40m 19456 19456 24576 0
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40000 40m 19456 19456 25600 0
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50000 40m 19456 19456 25600 0
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100000 40m 19456 19456 29696 0
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10000 300m 19456 19456 27648 0
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25000 300m 19456 19456 36864 0
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40000 300m 19456 19456 45056 0
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50000 300m 19456 19456 50176 0
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100000 300m 19456 19456 78848 0

‎device/mellanox/x86_64-mlnx_msn2700-r0/Mellanox-SN2700-D40C8S8/port_config.ini‎

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# name lanes alias index speed
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Ethernet0 0 etp1a 1 10000
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Ethernet1 1 etp1b 1 10000
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Ethernet2 2 etp1c 1 10000
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Ethernet3 3 etp1d 1 10000
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Ethernet8 8 etp3a 3 10000
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Ethernet9 9 etp3b 3 10000
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Ethernet10 10 etp3c 3 10000
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Ethernet11 11 etp3d 3 10000
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Ethernet16 16,17 etp5a 5 50000
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Ethernet18 18,19 etp5b 5 50000
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Ethernet20 20,21 etp6a 6 50000
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Ethernet22 22,23 etp6b 6 50000
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Ethernet24 24,25,26,27 etp7 7 100000
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Ethernet28 28,29,30,31 etp8 8 100000
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Ethernet32 32,33,34,35 etp9 9 100000
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Ethernet36 36,37,38,39 etp10 10 100000
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Ethernet40 40,41 etp11a 11 50000
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Ethernet42 42,43 etp11b 11 50000
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Ethernet44 44,45 etp12a 12 50000
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Ethernet46 46,47 etp12b 12 50000
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Ethernet48 48,49 etp13a 13 50000
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Ethernet50 50,51 etp13b 13 50000
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Ethernet52 52,53 etp14a 14 50000
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Ethernet54 54,55 etp14b 14 50000
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Ethernet56 56,57 etp15a 15 50000
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Ethernet58 58,59 etp15b 15 50000
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Ethernet60 60,61 etp16a 16 50000
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Ethernet62 62,63 etp16b 16 50000
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Ethernet64 64,65 etp17a 17 50000
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Ethernet66 66,67 etp17b 17 50000
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Ethernet68 68,69 etp18a 18 50000
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Ethernet70 70,71 etp18b 18 50000
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Ethernet72 72,73 etp19a 19 50000
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Ethernet74 74,75 etp19b 19 50000
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Ethernet76 76,77 etp20a 20 50000
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Ethernet78 78,79 etp20b 20 50000
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Ethernet80 80,81 etp21a 21 50000
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Ethernet82 82,83 etp21b 21 50000
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Ethernet84 84,85 etp22a 22 50000
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Ethernet86 86,87 etp22b 22 50000
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Ethernet88 88,89,90,91 etp23 23 100000
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Ethernet92 92,93,94,95 etp24 24 100000
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Ethernet96 96,97,98,99 etp25 25 100000
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Ethernet100 100,101,102,103 etp26 26 100000
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Ethernet104 104,105 etp27a 27 50000
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Ethernet106 106,107 etp27b 27 50000
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Ethernet108 108,109 etp28a 28 50000
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Ethernet110 110,111 etp28b 28 50000
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Ethernet112 112,113 etp29a 29 50000
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Ethernet114 114,115 etp29b 29 50000
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Ethernet116 116,117 etp30a 30 50000
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Ethernet118 118,119 etp30b 30 50000
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Ethernet120 120,121 etp31a 31 50000
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Ethernet122 122,123 etp31b 31 50000
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Ethernet124 124,125 etp32a 32 50000
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Ethernet126 126,127 etp32b 32 50000

‎device/mellanox/x86_64-mlnx_msn2700-r0/Mellanox-SN2700-D40C8S8/qos.json.j2‎

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{%- include 'qos_config.j2' %}

‎device/mellanox/x86_64-mlnx_msn2700-r0/Mellanox-SN2700-D40C8S8/sai.profile‎

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SAI_INIT_CONFIG_FILE=/usr/share/sonic/hwsku/sai_2700_8x100g_40x50g_8x10g.xml

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