[Mellanox] Enable CMIS host mgmt for SN5600 Mellanox-SN5600-V256 SKU

device/mellanox/x86_64-nvidia_sn4280-r0/ACS-SN4280/buffers.json.j2

@@ -0,0 +1,18 @@
+{#
+    Copyright (c) 2024 NVIDIA CORPORATION & AFFILIATES.
+    Apache-2.0
+
+    Licensed under the Apache License, Version 2.0 (the "License");
+    you may not use this file except in compliance with the License.
+    You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+    Unless required by applicable law or agreed to in writing, software
+    distributed under the License is distributed on an "AS IS" BASIS,
+    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+    See the License for the specific language governing permissions and
+    limitations under the License.
+#}
+{%- set default_topo = 't1' %}
+{%- include 'buffers_config.j2' %}

device/mellanox/x86_64-nvidia_sn4280-r0/ACS-SN4280/buffers_defaults_objects.j2

@@ -0,0 +1 @@
+../../x86_64-mlnx_msn4700-r0/Mellanox-SN4700-O28/buffers_defaults_objects.j2

device/mellanox/x86_64-nvidia_sn4280-r0/ACS-SN4280/buffers_defaults_t0.j2

@@ -0,0 +1,43 @@
+{#
+    Copyright (c) 2024 NVIDIA CORPORATION & AFFILIATES.
+    Apache-2.0
+
+    Licensed under the Apache License, Version 2.0 (the "License");
+    you may not use this file except in compliance with the License.
+    You may obtain a copy of the License at
+    http://www.apache.org/licenses/LICENSE-2.0
+
+    Unless required by applicable law or agreed to in writing, software
+    distributed under the License is distributed on an "AS IS" BASIS,
+    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+    See the License for the specific language governing permissions and
+    limitations under the License.
+#}
+{% set default_cable = '40m' %}
+{%-set ports2cable = {
+            'leafrouter_torrouter' : '300m',
+            'torrouter_server' : '40m'
+       }
+-%}
+{% set ingress_lossless_pool_size =  '52064208' %}
+{% set ingress_lossless_pool_xoff  =  '3461040' %}
+{% set egress_lossless_pool_size =  '60817392' %}
+{% set egress_lossy_pool_size =  '52064208' %}
+
+{% import 'buffers_defaults_objects.j2' as defs with context %}
+
+{%- macro generate_buffer_pool_and_profiles_with_inactive_ports(port_names_inactive) %}
+{{ defs.generate_buffer_pool_and_profiles_with_inactive_ports(port_names_inactive) }}
+{%- endmacro %}
+
+{%- macro generate_profile_lists_with_inactive_ports(port_names_active, port_names_inactive) %}
+{{ defs.generate_profile_lists(port_names_active, port_names_inactive) }}
+{%- endmacro %}
+
+{%- macro generate_queue_buffers_with_inactive_ports(port_names_active, port_names_inactive) %}
+{{ defs.generate_queue_buffers(port_names_active, port_names_inactive) }}
+{%- endmacro %}
+
+{%- macro generate_pg_profiles_with_inactive_ports(port_names_active, port_names_inactive) %}
+{{ defs.generate_pg_profiles(port_names_active, port_names_inactive) }}
+{%- endmacro %}

device/mellanox/x86_64-nvidia_sn4280-r0/ACS-SN4280/buffers_defaults_t1.j2

@@ -0,0 +1,44 @@
+{#
+    Copyright (c) 2024 NVIDIA CORPORATION & AFFILIATES.
+    Apache-2.0
+
+    Licensed under the Apache License, Version 2.0 (the "License");
+    you may not use this file except in compliance with the License.
+    You may obtain a copy of the License at
+    http://www.apache.org/licenses/LICENSE-2.0
+
+    Unless required by applicable law or agreed to in writing, software
+    distributed under the License is distributed on an "AS IS" BASIS,
+    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+    See the License for the specific language governing permissions and
+    limitations under the License.
+#}
+{% set default_cable = '300m' %}
+{%-set ports2cable = {
+            'spinerouter_leafrouter' : '2000m',
+            'leafrouter_torrouter' : '300m'
+       }
+-%}
+{% set ingress_lossless_pool_size =  '46743552' %}
+{% set ingress_lossless_pool_xoff  =  '8781696' %}
+{% set egress_lossless_pool_size =  '60817392' %}
+{% set egress_lossy_pool_size =  '46743552' %}
+
+{% import 'buffers_defaults_objects.j2' as defs with context %}
+
+{%- macro generate_buffer_pool_and_profiles_with_inactive_ports(port_names_inactive) %}
+{{ defs.generate_buffer_pool_and_profiles_with_inactive_ports(port_names_inactive) }}
+{%- endmacro %}
+
+{%- macro generate_profile_lists_with_inactive_ports(port_names_active, port_names_inactive) %}
+{{ defs.generate_profile_lists(port_names_active, port_names_inactive) }}
+{%- endmacro %}
+
+{%- macro generate_queue_buffers_with_inactive_ports(port_names_active, port_names_inactive) %}
+{{ defs.generate_queue_buffers(port_names_active, port_names_inactive) }}
+{%- endmacro %}
+
+{%- macro generate_pg_profiles_with_inactive_ports(port_names_active, port_names_inactive) %}
+{{ defs.generate_pg_profiles(port_names_active, port_names_inactive) }}
+{%- endmacro %}
+

device/mellanox/x86_64-nvidia_sn4280-r0/ACS-SN4280/buffers_dynamic.json.j2

@@ -0,0 +1,19 @@
+{#
+    Copyright (c) 2024 NVIDIA CORPORATION & AFFILIATES.
+    Apache-2.0
+
+    Licensed under the Apache License, Version 2.0 (the "License");
+    you may not use this file except in compliance with the License.
+    You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+    Unless required by applicable law or agreed to in writing, software
+    distributed under the License is distributed on an "AS IS" BASIS,
+    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+    See the License for the specific language governing permissions and
+    limitations under the License.
+#}
+{%- set default_topo = 't1' %}
+{%- set dynamic_mode = 'true' %}
+{%- include 'buffers_config.j2' %}

device/mellanox/x86_64-nvidia_sn4280-r0/ACS-SN4280/hwsku.json

@@ -0,0 +1,140 @@
+{
+    "interfaces": {
+        "Ethernet0": {
+            "default_brkout_mode": "1x400G[200G,100G,50G,40G,25G,10G,1G]",
+            "subport": "1"
+        },
+        "Ethernet8": {
+            "default_brkout_mode": "1x400G[200G,100G,50G,40G,25G,10G,1G]",
+            "subport": "1"
+        },
+        "Ethernet16": {
+            "default_brkout_mode": "1x400G[200G,100G,50G,40G,25G,10G,1G]",
+            "subport": "1"
+        },
+        "Ethernet24": {
+            "default_brkout_mode": "1x400G[200G,100G,50G,40G,25G,10G,1G]",
+            "subport": "1"
+        },
+        "Ethernet32": {
+            "default_brkout_mode": "1x400G[200G,100G,50G,40G,25G,10G,1G]",
+            "subport": "1"
+        },
+        "Ethernet40": {
+            "default_brkout_mode": "1x400G[200G,100G,50G,40G,25G,10G,1G]",
+            "subport": "1"
+        },
+        "Ethernet48": {
+            "default_brkout_mode": "1x400G[200G,100G,50G,40G,25G,10G,1G]",
+            "subport": "1"
+        },
+        "Ethernet56": {
+            "default_brkout_mode": "1x400G[200G,100G,50G,40G,25G,10G,1G]",
+            "subport": "1"
+        },
+        "Ethernet64": {
+            "default_brkout_mode": "1x400G[200G,100G,50G,40G,25G,10G,1G]",
+            "subport": "1"
+        },
+        "Ethernet72": {
+            "default_brkout_mode": "1x400G[200G,100G,50G,40G,25G,10G,1G]",
+            "subport": "1"
+        },
+        "Ethernet80": {
+            "default_brkout_mode": "1x400G[200G,100G,50G,40G,25G,10G,1G]",
+            "subport": "1"
+        },
+        "Ethernet88": {
+            "default_brkout_mode": "1x400G[200G,100G,50G,40G,25G,10G,1G]",
+            "subport": "1"
+        },
+        "Ethernet96": {
+            "default_brkout_mode": "1x400G[200G,100G,50G,40G,25G,10G,1G]",
+            "subport": "1"
+        },
+        "Ethernet104": {
+            "default_brkout_mode": "1x400G[200G,100G,50G,40G,25G,10G,1G]",
+            "subport": "1"
+        },
+        "Ethernet112": {
+            "default_brkout_mode": "1x400G[200G,100G,50G,40G,25G,10G,1G]",
+            "subport": "1"
+        },
+        "Ethernet120": {
+            "default_brkout_mode": "1x400G[200G,100G,50G,40G,25G,10G,1G]",
+            "subport": "1"
+        },
+        "Ethernet128": {
+            "default_brkout_mode": "1x400G[200G,100G,50G,40G,25G,10G,1G]",
+            "subport": "1"
+        },
+        "Ethernet136": {
+            "default_brkout_mode": "1x400G[200G,100G,50G,40G,25G,10G,1G]",
+            "subport": "1"
+        },
+        "Ethernet144": {
+            "default_brkout_mode": "1x400G[200G,100G,50G,40G,25G,10G,1G]",
+            "subport": "1"
+        },
+        "Ethernet152": {
+            "default_brkout_mode": "1x400G[200G,100G,50G,40G,25G,10G,1G]",
+            "subport": "1"
+        },
+        "Ethernet160": {
+            "default_brkout_mode": "1x400G[200G,100G,50G,40G,25G,10G,1G]",
+            "subport": "1"
+        },
+        "Ethernet168": {
+            "default_brkout_mode": "1x400G[200G,100G,50G,40G,25G,10G,1G]",
+            "subport": "1"
+        },
+        "Ethernet176": {
+            "default_brkout_mode": "1x400G[200G,100G,50G,40G,25G,10G,1G]",
+            "subport": "1"
+        },
+        "Ethernet184": {
+            "default_brkout_mode": "1x400G[200G,100G,50G,40G,25G,10G,1G]",
+            "subport": "1"
+        },
+        "Ethernet192": {
+            "default_brkout_mode": "1x400G[200G,100G,50G,40G,25G,10G,1G]",
+            "subport": "1"
+        },
+        "Ethernet200": {
+            "default_brkout_mode": "1x400G[200G,100G,50G,40G,25G,10G,1G]",
+            "subport": "1"
+        },
+        "Ethernet208": {
+            "default_brkout_mode": "1x400G[200G,100G,50G,40G,25G,10G,1G]",
+            "subport": "1"
+        },
+        "Ethernet216": {
+            "default_brkout_mode": "1x400G[200G,100G,50G,40G,25G,10G,1G]",
+            "subport": "1"
+        },
+        "Ethernet224": {
+            "default_brkout_mode": "1x400G",
+            "subport": "1",
+            "autoneg": "on",
+            "role": "Dpc"
+        },
+        "Ethernet232": {
+            "default_brkout_mode": "1x400G",
+            "subport": "1",
+            "autoneg": "on",
+            "role": "Dpc"
+        },
+        "Ethernet240": {
+            "default_brkout_mode": "1x400G",
+            "subport": "1",
+            "autoneg": "on",
+            "role": "Dpc"
+        },
+        "Ethernet248": {
+            "default_brkout_mode": "1x400G",
+            "subport": "1",
+            "autoneg": "on",
+            "role": "Dpc"
+        }
+    }
+}

device/mellanox/x86_64-nvidia_sn4280-r0/ACS-SN4280/pg_profile_lookup.ini

@@ -0,0 +1,53 @@
+##
+## Copyright (c) 2024 NVIDIA CORPORATION & AFFILIATES.
+## Apache-2.0
+##
+## Licensed under the Apache License, Version 2.0 (the "License");
+## you may not use this file except in compliance with the License.
+## You may obtain a copy of the License at
+##
+## http://www.apache.org/licenses/LICENSE-2.0
+##
+## Unless required by applicable law or agreed to in writing, software
+## distributed under the License is distributed on an "AS IS" BASIS,
+## WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+## See the License for the specific language governing permissions and
+## limitations under the License.
+##
+#  PG lossless profiles.
+# speed cable  size   xon    xoff   threshold
+  10000    5m 19456  19456  16384          0
+  25000    5m 19456  19456  17408          0
+  40000    5m 19456  19456  19456          0
+  50000    5m 19456  19456  21504          0
+ 100000    5m 19456  19456  37888          0
+ 200000    5m 19456  19456  43008          0
+ 400000    5m 38912  38912  73728          0
+  10000   40m 19456  19456  16384          0
+  25000   40m 19456  19456  18432          0
+  40000   40m 19456  19456  21504          0
+  50000   40m 19456  19456  23552          0
+ 100000   40m 19456  19456  43008          0
+ 200000   40m 19456  19456  51200          0
+ 400000   40m 38912  38912  91136          0
+  10000  300m 19456  19456  19456          0
+  25000  300m 19456  19456  26624          0
+  40000  300m 19456  19456  34816          0
+  50000  300m 19456  19456  40960          0
+ 100000  300m 19456  19456  75776          0
+ 200000  300m 19456  19456  118784         0
+ 400000  300m 38912  38912  225280         0
+  10000 1500m 19456  19456  35840          0
+  25000 1500m 19456  19456  65536          0
+  40000 1500m 19456  19456  96256          0
+  50000 1500m 19456  19456  117760         0
+ 100000 1500m 19456  19456  230400         0
+ 200000 1500m 19456  19456  427008         0
+ 400000 1500m 38912  38912  427008         0
+  10000 2000m 19456  19456  41984          0
+  25000 2000m 19456  19456  80896          0
+  40000 2000m 19456  19456  121856         0
+  50000 2000m 19456  19456  149504         0
+ 100000 2000m 19456  19456  293888         0
+ 200000 2000m 19456  19456  555008         0
+ 400000 2000m 38912  38912  555008         0

device/mellanox/x86_64-nvidia_sn4280-r0/ACS-SN4280/port_config.ini

@@ -0,0 +1,51 @@
+##
+## Copyright (c) 2024 NVIDIA CORPORATION & AFFILIATES.
+## Apache-2.0
+##
+## Licensed under the Apache License, Version 2.0 (the "License");
+## you may not use this file except in compliance with the License.
+## You may obtain a copy of the License at
+##
+## http://www.apache.org/licenses/LICENSE-2.0
+##
+## Unless required by applicable law or agreed to in writing, software
+## distributed under the License is distributed on an "AS IS" BASIS,
+## WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+## See the License for the specific language governing permissions and
+## limitations under the License.
+##
+
+
+# name          lanes                               alias     index
+Ethernet0       0,1,2,3,4,5,6,7                     etp1      1
+Ethernet8       8,9,10,11,12,13,14,15               etp2      2
+Ethernet16      16,17,18,19,20,21,22,23             etp3      3
+Ethernet24      24,25,26,27,28,29,30,31             etp4      4
+Ethernet32      32,33,34,35,36,37,38,39             etp5      5
+Ethernet40      40,41,42,43,44,45,46,47             etp6      6
+Ethernet48      48,49,50,51,52,53,54,55             etp7      7
+Ethernet56      56,57,58,59,60,61,62,63             etp8      8
+Ethernet64      64,65,66,67,68,69,70,71             etp9      9
+Ethernet72      72,73,74,75,76,77,78,79             etp10     10
+Ethernet80      80,81,82,83,84,85,86,87             etp11     11
+Ethernet88      88,89,90,91,92,93,94,95             etp12     12
+Ethernet96      96,97,98,99,100,101,102,103         etp13     13
+Ethernet104     104,105,106,107,108,109,110,111     etp14     14
+Ethernet112     112,113,114,115,116,117,118,119     etp15     15
+Ethernet120     120,121,122,123,124,125,126,127     etp16     16
+Ethernet128     128,129,130,131,132,133,134,135     etp17     17
+Ethernet136     136,137,138,139,140,141,142,143     etp18     18
+Ethernet144     144,145,146,147,148,149,150,151     etp19     19
+Ethernet152     152,153,154,155,156,157,158,159     etp20     20
+Ethernet160     160,161,162,163,164,165,166,167     etp21     21
+Ethernet168     168,169,170,171,172,173,174,175     etp22     22
+Ethernet176     176,177,178,179,180,181,182,183     etp23     23
+Ethernet184     184,185,186,187,188,189,190,191     etp24     24
+Ethernet192     192,193,194,195,196,197,198,199     etp25     25
+Ethernet200     200,201,202,203,204,205,206,207     etp26     26
+Ethernet208     208,209,210,211,212,213,214,215     etp27     27
+Ethernet216     216,217,218,219,220,221,222,223     etp28     28
+Ethernet224     224,225,226,227,228,229,230,231     etp29     29
+Ethernet232     232,233,234,235,236,237,238,239     etp30     30
+Ethernet240     240,241,242,243,244,245,246,247     etp31     31
+Ethernet248     248,249,250,251,252,253,254,255     etp32     32

device/mellanox/x86_64-nvidia_sn4280-r0/ACS-SN4280/qos.json.j2

@@ -0,0 +1 @@
+../../x86_64-mlnx_msn2700-r0/ACS-MSN2700/qos.json.j2

device/mellanox/x86_64-nvidia_sn4280-r0/ACS-SN4280/sai.profile

@@ -0,0 +1 @@
+SAI_INIT_CONFIG_FILE=/usr/share/sonic/hwsku/sai_4280.xml