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[Mellanox] Add SPC5 SN5640 platform, Mellanox-SN5640-C512S2,Mellanox-SN5640-C448O16 SKUs (sonic-net#21770)
- Why I did it To support new Mellanox platform and SKUs - How I did it Add and modified relevant files to support new platform and SKUs - How to verify it Install supporting image on SN5640 Mellanox switch, deploy one of the SKUs
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‎device/mellanox/x86_64-nvidia_sn5640-r0/Mellanox-SN5640-C448O16/buffers.json.j2

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../../x86_64-mlnx_msn2700-r0/ACS-MSN2700/buffers.json.j2

‎device/mellanox/x86_64-nvidia_sn5640-r0/Mellanox-SN5640-C448O16/buffers_defaults_objects.j2

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../../x86_64-nvidia_sn5600-r0/Mellanox-SN5600-C256S1/buffers_defaults_objects.j2

‎device/mellanox/x86_64-nvidia_sn5640-r0/Mellanox-SN5640-C448O16/buffers_defaults_t0.j2

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{#
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SPDX-FileCopyrightText: NVIDIA CORPORATION & AFFILIATES
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Copyright (c) 2025 NVIDIA CORPORATION & AFFILIATES. All rights reserved.
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Apache-2.0
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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#}
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{% set default_cable = '0m' %}
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{%-set ports2cable = {
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'torrouter_server' : '0m',
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'leafrouter_torrouter' : '0m',
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'spinerouter_leafrouter' : '0m'
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}
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-%}
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{% set ingress_lossless_pool_size = '108270592' %}
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{% set ingress_lossless_pool_xoff = '0' %}
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{% set egress_lossless_pool_size = '136209408' %}
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{% set egress_lossy_pool_size = '108270592' %}
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{% import 'buffers_defaults_objects.j2' as defs with context %}
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{%- macro generate_buffer_pool_and_profiles_with_inactive_ports(port_names_inactive) %}
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{{ defs.generate_buffer_pool_and_profiles_with_inactive_ports(port_names_inactive) }}
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{%- endmacro %}
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{%- macro generate_profile_lists_with_inactive_ports(port_names_active, port_names_inactive) %}
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{{ defs.generate_profile_lists(port_names_active, port_names_inactive) }}
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{%- endmacro %}
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{%- macro generate_queue_buffers_with_extra_lossless_queues_with_inactive_ports(port_names_active, port_names_extra_queues, port_names_inactive) %}
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{{ defs.generate_queue_buffers_with_extra_lossless_queues(port_names_active, port_names_extra_queues, port_names_inactive) }}
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{%- endmacro %}
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{%- macro generate_queue_buffers_with_inactive_ports(port_names_active, port_names_inactive) %}
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{{ defs.generate_queue_buffers(port_names_active, port_names_inactive) }}
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{%- endmacro %}
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{%- macro generate_pg_profiles_with_extra_lossless_pgs_with_inactive_ports(port_names_active, port_names_extra_pgs, port_names_inactive) %}
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{{ defs.generate_pg_profiles_with_extra_lossless_pgs(port_names_active, port_names_extra_pgs, port_names_inactive) }}
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{%- endmacro %}
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{%- macro generate_pg_profiles_with_inactive_ports(port_names_active, port_names_inactive) %}
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{{ defs.generate_pg_profiles(port_names_active, port_names_inactive) }}
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{%- endmacro %}

‎device/mellanox/x86_64-nvidia_sn5640-r0/Mellanox-SN5640-C448O16/buffers_defaults_t1.j2

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{#
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SPDX-FileCopyrightText: NVIDIA CORPORATION & AFFILIATES
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Copyright (c) 2025 NVIDIA CORPORATION & AFFILIATES. All rights reserved.
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Apache-2.0
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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#}
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{% set default_cable = '0m' %}
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{%-set ports2cable = {
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'torrouter_server' : '0m',
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'leafrouter_torrouter' : '0m',
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'spinerouter_leafrouter' : '0m'
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}
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-%}
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{% set ingress_lossless_pool_size = '108270592' %}
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{% set ingress_lossless_pool_xoff = '0' %}
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{% set egress_lossless_pool_size = '136209408' %}
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{% set egress_lossy_pool_size = '108270592' %}
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{% import 'buffers_defaults_objects.j2' as defs with context %}
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{%- macro generate_buffer_pool_and_profiles_with_inactive_ports(port_names_inactive) %}
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{{ defs.generate_buffer_pool_and_profiles_with_inactive_ports(port_names_inactive) }}
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{%- endmacro %}
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{%- macro generate_profile_lists_with_inactive_ports(port_names_active, port_names_inactive) %}
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{{ defs.generate_profile_lists(port_names_active, port_names_inactive) }}
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{%- endmacro %}
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{%- macro generate_queue_buffers_with_extra_lossless_queues_with_inactive_ports(port_names_active, port_names_extra_queues, port_names_inactive) %}
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{{ defs.generate_queue_buffers_with_extra_lossless_queues(port_names_active, port_names_extra_queues, port_names_inactive) }}
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{%- endmacro %}
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{%- macro generate_queue_buffers_with_inactive_ports(port_names_active, port_names_inactive) %}
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{{ defs.generate_queue_buffers(port_names_active, port_names_inactive) }}
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{%- endmacro %}
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{%- macro generate_pg_profiles_with_extra_lossless_pgs_with_inactive_ports(port_names_active, port_names_extra_pgs, port_names_inactive) %}
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{{ defs.generate_pg_profiles_with_extra_lossless_pgs(port_names_active, port_names_extra_pgs, port_names_inactive) }}
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{%- endmacro %}
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{%- macro generate_pg_profiles_with_inactive_ports(port_names_active, port_names_inactive) %}
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{{ defs.generate_pg_profiles(port_names_active, port_names_inactive) }}
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{%- endmacro %}

‎device/mellanox/x86_64-nvidia_sn5640-r0/Mellanox-SN5640-C448O16/buffers_dynamic.json.j2

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../../x86_64-mlnx_msn2700-r0/ACS-MSN2700/buffers_dynamic.json.j2

‎device/mellanox/x86_64-nvidia_sn5640-r0/Mellanox-SN5640-C448O16/create_only_config_db_buffers.json

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{
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"DEVICE_METADATA": {
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"localhost": {
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"create_only_config_db_buffers": "true"
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}
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}
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}

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