[Mellanox] Add support for a new platform LS-SN2700

device/mellanox/x86_64-mlnx_lssn2700-r0/LS-SN2700/buffers.json.j2

@@ -0,0 +1,162 @@
+{# Default values which will be used if no actual configura available #}
+{% set default_cable = '300m' %}
+{% set default_ports_num = 32 -%}
+
+{# 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[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 -%}
+        {{ default_cable }}
+    {%- endif -%}
+{% endmacro %}
+
+{%- if DEVICE_METADATA is defined %}
+{%- set switch_role = DEVICE_METADATA['localhost']['type'] %}
+{%- endif -%}
+
+{# Generate list of ports if not defined #}
+{% if PORT is not defined %}
+    {% set PORT = [] %}
+    {% for port_idx in range(0,default_ports_num) %}
+        {% if PORT.append("Ethernet%d" % (port_idx*4)) %}{% endif %}
+    {% endfor %}
+{% 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 %}
+    }
+    },
+{%if switch_role == 'ToRRouter' %}
+{% set ingress_lossless_pool_size =  '4194304' %}
+{% set ingress_lossy_pool_size =  '7340032' %}
+{% set egress_lossless_pool_size =  '16777152' %}
+{% set egress_lossy_pool_size =  '7340032' %}
+{% else %}
+{% set ingress_lossless_pool_size =  '2097152' %}
+{% set ingress_lossy_pool_size =  '5242880' %}
+{% set egress_lossless_pool_size =  '16777152' %}
+{% set egress_lossy_pool_size =  '5242880' %}
+{%endif %}
+    "BUFFER_POOL": {
+        "ingress_lossless_pool": {
+            "size": "{{ ingress_lossless_pool_size }}",
+            "type": "ingress",
+            "mode": "dynamic"
+        },
+        "ingress_lossy_pool": {
+            "size": "{{ ingress_lossy_pool_size }}",
+            "type": "ingress",
+            "mode": "dynamic"
+        },
+        "egress_lossless_pool": {
+            "size": "{{ egress_lossless_pool_size }}",
+            "type": "egress",
+            "mode": "dynamic"
+        },
+        "egress_lossy_pool": {
+            "size": "{{ egress_lossy_pool_size }}",
+            "type": "egress",
+            "mode": "dynamic"
+        }
+    },
+    "BUFFER_PROFILE": {
+        "ingress_lossless_profile": {
+            "pool":"[BUFFER_POOL|ingress_lossless_pool]",
+            "size":"0",
+            "dynamic_th":"0"
+        },
+        "ingress_lossy_profile": {
+            "pool":"[BUFFER_POOL|ingress_lossy_pool]",
+            "size":"0",
+            "dynamic_th":"3"
+        },
+        "egress_lossless_profile": {
+            "pool":"[BUFFER_POOL|egress_lossless_pool]",
+            "size":"0",
+            "dynamic_th":"7"
+        },
+        "egress_lossy_profile": {
+            "pool":"[BUFFER_POOL|egress_lossy_pool]",
+            "size":"4096",
+            "dynamic_th":"3"
+        },
+        "pg_lossy_profile": {
+            "pool":"[BUFFER_POOL|ingress_lossy_pool]",
+            "size":"0",
+            "dynamic_th":"3"
+        },
+        "q_lossless_profile": {
+            "pool":"[BUFFER_POOL|egress_lossless_pool]",
+            "size":"0",
+            "dynamic_th":"7"
+        },
+        "q_lossy_profile": {
+            "pool":"[BUFFER_POOL|egress_lossy_pool]",
+            "size":"0",
+            "dynamic_th":"3"
+        }
+    },
+    "BUFFER_PORT_INGRESS_PROFILE_LIST": {
+        "{{ port_names }}": {
+            "profile_list" : "[BUFFER_PROFILE|ingress_lossless_profile],[BUFFER_PROFILE|ingress_lossy_profile]"
+        }
+    },
+    "BUFFER_PORT_EGRESS_PROFILE_LIST": {
+        "{{ port_names }}": {
+            "profile_list" : "[BUFFER_PROFILE|egress_lossless_profile],[BUFFER_PROFILE|egress_lossy_profile]"
+        }
+    },
+    "BUFFER_PG": {
+        "{{ port_names }}|0-1": {
+            "profile" : "[BUFFER_PROFILE|pg_lossy_profile]"
+        }
+    },
+    "BUFFER_QUEUE": {
+        "{{ port_names }}|3-4": {
+            "profile" : "[BUFFER_PROFILE|q_lossless_profile]"
+        },
+        "{{ port_names }}|0-1": {
+            "profile" : "[BUFFER_PROFILE|q_lossy_profile]"
+        }
+    }
+}

device/mellanox/x86_64-mlnx_lssn2700-r0/LS-SN2700/pg_profile_lookup.ini

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+# PG lossless profiles.
+# speed cable size    xon  xoff threshold
+  10000  5m   34816  18432 16384  0
+  25000  5m   34816  18432 16384  0
+  40000  5m   34816  18432 16384  0
+  50000  5m   34816  18432 16384  0
+ 100000  5m   36864  18432 18432  0
+  10000  40m  36864  18432 18432  0
+  25000  40m  39936  18432 21504  0
+  40000  40m  41984  18432 23552  0
+  50000  40m  41984  18432 23552  0
+ 100000  40m  54272  18432 35840  0
+  10000  300m 49152  18432 30720  0
+  25000  300m 71680  18432 53248  0
+  40000  300m 94208  18432 75776  0
+  50000  300m 94208  18432 75776  0
+ 100000  300m 184320 18432 165888 0

device/mellanox/x86_64-mlnx_lssn2700-r0/LS-SN2700/port_config.ini

@@ -0,0 +1,33 @@
+# name          lanes
+Ethernet0       0,1,2,3
+Ethernet4       4,5,6,7
+Ethernet8       8,9,10,11
+Ethernet12      12,13,14,15
+Ethernet16      16,17,18,19
+Ethernet20      20,21,22,23
+Ethernet24      24,25,26,27
+Ethernet28      28,29,30,31
+Ethernet32      32,33,34,35
+Ethernet36      36,37,38,39
+Ethernet40      40,41,42,43
+Ethernet44      44,45,46,47
+Ethernet48      48,49,50,51
+Ethernet52      52,53,54,55
+Ethernet56      56,57,58,59
+Ethernet60      60,61,62,63
+Ethernet64      64,65,66,67
+Ethernet68      68,69,70,71
+Ethernet72      72,73,74,75
+Ethernet76      76,77,78,79
+Ethernet80      80,81,82,83
+Ethernet84      84,85,86,87
+Ethernet88      88,89,90,91
+Ethernet92      92,93,94,95
+Ethernet96      96,97,98,99
+Ethernet100     100,101,102,103
+Ethernet104     104,105,106,107
+Ethernet108     108,109,110,111
+Ethernet112     112,113,114,115
+Ethernet116     116,117,118,119
+Ethernet120     120,121,122,123
+Ethernet124     124,125,126,127

device/mellanox/x86_64-mlnx_lssn2700-r0/LS-SN2700/qos.json

@@ -0,0 +1,166 @@
+{
+    "TC_TO_PRIORITY_GROUP_MAP": {
+        "AZURE": {
+            "0": "0",
+            "1": "1",
+            "3": "3",
+            "4": "4"
+        }
+    },
+    "MAP_PFC_PRIORITY_TO_QUEUE": {
+        "AZURE": {
+            "0": "0",
+            "1": "1",
+            "3": "3",
+            "4": "4"
+        }
+    },
+    "TC_TO_QUEUE_MAP": {
+        "AZURE": {
+            "0": "0",
+            "1": "1",
+            "3": "3",
+            "4": "4"
+        }
+    },
+    "DSCP_TO_TC_MAP": {
+        "AZURE": {
+            "0":"0",
+            "1":"0",
+            "2":"0",
+            "3":"3",
+            "4":"4",
+            "5":"0",
+            "6":"0",
+            "7":"0",
+            "8":"1",
+            "9":"0",
+            "10":"0",
+            "11":"0",
+            "12":"0",
+            "13":"0",
+            "14":"0",
+            "15":"0",
+            "16":"0",
+            "17":"0",
+            "18":"0",
+            "19":"0",
+            "20":"0",
+            "21":"0",
+            "22":"0",
+            "23":"0",
+            "24":"0",
+            "25":"0",
+            "26":"0",
+            "27":"0",
+            "28":"0",
+            "29":"0",
+            "30":"0",
+            "31":"0",
+            "32":"0",
+            "33":"0",
+            "34":"0",
+            "35":"0",
+            "36":"0",
+            "37":"0",
+            "38":"0",
+            "39":"0",
+            "40":"0",
+            "41":"0",
+            "42":"0",
+            "43":"0",
+            "44":"0",
+            "45":"0",
+            "46":"0",
+            "47":"0",
+            "48":"0",
+            "49":"0",
+            "50":"0",
+            "51":"0",
+            "52":"0",
+            "53":"0",
+            "54":"0",
+            "55":"0",
+            "56":"0",
+            "57":"0",
+            "58":"0",
+            "59":"0",
+            "60":"0",
+            "61":"0",
+            "62":"0",
+            "63":"0"
+        }
+    },
+    "SCHEDULER": {
+        "scheduler.0": {
+            "type":"DWRR",
+            "weight": "25"
+        },
+        "scheduler.1": {
+            "type":"DWRR",
+            "weight": "30"
+        },
+        "scheduler.2": {
+            "type":"DWRR",
+            "weight": "20"
+        }
+    },
+    "PFC_PRIORITY_TO_PRIORITY_GROUP_MAP": {
+        "AZURE": {
+            "0": "0",
+            "1": "1",
+            "3": "3",
+            "4": "4"
+        }
+    },
+    "PORT_QOS_MAP": {
+        "Ethernet0,Ethernet4,Ethernet8,Ethernet12,Ethernet16,Ethernet20,Ethernet24,Ethernet28,Ethernet32,Ethernet36,Ethernet40,Ethernet44,Ethernet48,Ethernet52,Ethernet56,Ethernet60,Ethernet64,Ethernet68,Ethernet72,Ethernet76,Ethernet80,Ethernet84,Ethernet88,Ethernet92,Ethernet96,Ethernet100,Ethernet104,Ethernet108,Ethernet112,Ethernet116,Ethernet120,Ethernet124": {
+            "dscp_to_tc_map"  : "[DSCP_TO_TC_MAP|AZURE]",
+            "tc_to_queue_map" : "[TC_TO_QUEUE_MAP|AZURE]",
+            "tc_to_pg_map"    : "[TC_TO_PRIORITY_GROUP_MAP|AZURE]",
+            "pfc_to_queue_map": "[MAP_PFC_PRIORITY_TO_QUEUE|AZURE]",
+            "pfc_to_pg_map"   : "[PFC_PRIORITY_TO_PRIORITY_GROUP_MAP|AZURE]",
+            "pfc_enable": "3,4"
+        }
+    },
+    "WRED_PROFILE": {
+        "AZURE_LOSSY": {
+            "wred_green_enable":"true",
+            "wred_yellow_enable":"true",
+            "ecn":"ecn_all",
+            "red_max_threshold":"516096",
+            "red_min_threshold":"516096",
+            "yellow_max_threshold":"516096",
+            "yellow_min_threshold":"516096",
+            "green_max_threshold": "184320",
+            "green_min_threshold": "184320"
+        },
+        "AZURE_LOSSLESS": {
+            "wred_green_enable":"true",
+            "wred_yellow_enable":"true",
+            "ecn":"ecn_all",
+            "red_max_threshold":"516096",
+            "red_min_threshold":"516096",
+            "yellow_max_threshold":"516096",
+            "yellow_min_threshold":"516096",
+            "green_max_threshold": "184320",
+            "green_min_threshold": "184320"
+        }
+    },
+    "QUEUE": {
+        "Ethernet0,Ethernet4,Ethernet8,Ethernet12,Ethernet16,Ethernet20,Ethernet24,Ethernet28,Ethernet32,Ethernet36,Ethernet40,Ethernet44,Ethernet48,Ethernet52,Ethernet56,Ethernet60,Ethernet64,Ethernet68,Ethernet72,Ethernet76,Ethernet80,Ethernet84,Ethernet88,Ethernet92,Ethernet96,Ethernet100,Ethernet104,Ethernet108,Ethernet112,Ethernet116,Ethernet120,Ethernet124|0": {
+            "scheduler"     :   "[SCHEDULER|scheduler.1]"
+        },
+        "Ethernet0,Ethernet4,Ethernet8,Ethernet12,Ethernet16,Ethernet20,Ethernet24,Ethernet28,Ethernet32,Ethernet36,Ethernet40,Ethernet44,Ethernet48,Ethernet52,Ethernet56,Ethernet60,Ethernet64,Ethernet68,Ethernet72,Ethernet76,Ethernet80,Ethernet84,Ethernet88,Ethernet92,Ethernet96,Ethernet100,Ethernet104,Ethernet108,Ethernet112,Ethernet116,Ethernet120,Ethernet124|1": {
+            "scheduler"     :   "[SCHEDULER|scheduler.2]"
+        },
+        "Ethernet0,Ethernet4,Ethernet8,Ethernet12,Ethernet16,Ethernet20,Ethernet24,Ethernet28,Ethernet32,Ethernet36,Ethernet40,Ethernet44,Ethernet48,Ethernet52,Ethernet56,Ethernet60,Ethernet64,Ethernet68,Ethernet72,Ethernet76,Ethernet80,Ethernet84,Ethernet88,Ethernet92,Ethernet96,Ethernet100,Ethernet104,Ethernet108,Ethernet112,Ethernet116,Ethernet120,Ethernet124|0-1": {
+            "wred_profile"  :   "[WRED_PROFILE|AZURE_LOSSY]"
+        },
+        "Ethernet0,Ethernet4,Ethernet8,Ethernet12,Ethernet16,Ethernet20,Ethernet24,Ethernet28,Ethernet32,Ethernet36,Ethernet40,Ethernet44,Ethernet48,Ethernet52,Ethernet56,Ethernet60,Ethernet64,Ethernet68,Ethernet72,Ethernet76,Ethernet80,Ethernet84,Ethernet88,Ethernet92,Ethernet96,Ethernet100,Ethernet104,Ethernet108,Ethernet112,Ethernet116,Ethernet120,Ethernet124|3-4": {
+            "scheduler"     :   "[SCHEDULER|scheduler.0]",
+            "wred_profile"  :   "[WRED_PROFILE|AZURE_LOSSLESS]"
+        }
+    }
+}
+

device/mellanox/x86_64-mlnx_lssn2700-r0/LS-SN2700/sai.profile

@@ -0,0 +1 @@
+SAI_INIT_CONFIG_FILE=/usr/share/sai_2700.xml

device/mellanox/x86_64-mlnx_lssn2700-r0/hw-management

@@ -0,0 +1 @@
+/etc/mlnx/msn2700

device/mellanox/x86_64-mlnx_lssn2700-r0/installer.conf

@@ -0,0 +1 @@
+ONIE_PLATFORM_EXTRA_CMDLINE_LINUX="acpi_enforce_resources=lax acpi=noirq"