[Reclaim buffer] Reclaim unused buffers by applying zero buffer profiles

device/mellanox/x86_64-mlnx_msn2010-r0/ACS-MSN2010/buffers_defaults_objects.j2

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

device/mellanox/x86_64-mlnx_msn2100-r0/ACS-MSN2100/buffers_defaults_objects.j2

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

device/mellanox/x86_64-mlnx_msn2410-r0/ACS-MSN2410/buffers_defaults_objects.j2

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

device/mellanox/x86_64-mlnx_msn2700-r0/ACS-MSN2700/buffers_defaults_objects.j2

@@ -0,0 +1,229 @@
+{%- macro generate_buffer_pool_and_profiles_with_inactive_ports(port_names_inactive) %}
+    "BUFFER_POOL": {
+        {% if dynamic_mode is not defined and port_names_inactive|length > 0 -%}
+        "ingress_zero_pool" : {
+            "mode": "static",
+            "type": "ingress",
+            "size": "0"
+        },
+        {% endif -%}
+        "ingress_lossless_pool": {
+            {% if dynamic_mode is not defined -%}
+            "size": "{{ ingress_lossless_pool_size }}",
+            {% endif -%}
+            "type": "ingress",
+            "mode": "dynamic"
+        },
+        "ingress_lossy_pool": {
+            {% if dynamic_mode is not defined -%}
+            "size": "{{ ingress_lossy_pool_size }}",
+            {% endif -%}
+            "type": "ingress",
+            "mode": "dynamic"
+        },
+        "egress_lossless_pool": {
+            "size": "{{ egress_lossless_pool_size }}",
+            "type": "egress",
+            "mode": "dynamic"
+        },
+        "egress_lossy_pool": {
+            {% if dynamic_mode is not defined -%}
+            "size": "{{ egress_lossy_pool_size }}",
+            {% endif -%}
+            "type": "egress",
+            "mode": "dynamic"
+        }
+    },
+    "BUFFER_PROFILE": {
+        {% if dynamic_mode is not defined and port_names_inactive|length > 0 -%}
+        "ingress_lossy_pg_zero_profile" : {
+          "pool":"ingress_zero_pool",
+          "size":"0",
+          "static_th":"0"
+        },
+        "ingress_lossless_zero_profile" : {
+          "pool":"ingress_lossless_pool",
+          "size":"0",
+          "dynamic_th":"-8"
+        },
+        "ingress_lossy_zero_profile" : {
+          "pool":"ingress_lossy_pool",
+          "size":"0",
+          "dynamic_th":"-8"
+        },
+        "egress_lossless_zero_profile" : {
+          "pool":"egress_lossless_pool",
+          "size":"0",
+          "dynamic_th":"-8"
+        },
+        "egress_lossy_zero_profile" : {
+          "pool":"egress_lossy_pool",
+          "size":"0",
+          "dynamic_th":"-8"
+        },
+        {% endif -%}
+        "ingress_lossless_profile": {
+            "pool":"ingress_lossless_pool",
+            "size":"0",
+            "dynamic_th":"7"
+        },
+        "ingress_lossy_profile": {
+            "pool":"ingress_lossy_pool",
+            "size":"0",
+            "dynamic_th":"3"
+        },
+        "egress_lossless_profile": {
+            "pool":"egress_lossless_pool",
+            "size":"0",
+            "dynamic_th":"7"
+        },
+        "egress_lossy_profile": {
+            "pool":"egress_lossy_pool",
+            "size":"9216",
+            "dynamic_th":"7"
+        },
+        "q_lossy_profile": {
+            "pool":"egress_lossy_pool",
+            "size":"0",
+            "dynamic_th":"3"
+        }
+    },
+{%- endmacro %}
+
+{%- macro generate_profile_lists(port_names_active, port_names_inactive) %}
+    "BUFFER_PORT_INGRESS_PROFILE_LIST": {
+{% for port in port_names_active.split(',') %}
+        "{{ port }}": {
+            "profile_list" : "ingress_lossless_profile,ingress_lossy_profile"
+        }{% if not loop.last %},{% endif %}
+
+{% endfor %}
+{% if port_names_inactive|length > 0 %}
+,
+{% for port in port_names_inactive.split(',') %}
+        "{{ port }}": {
+{% if dynamic_mode is defined %}
+            "profile_list" : "ingress_lossless_profile,ingress_lossy_profile"
+{% else %}
+            "profile_list" : "ingress_lossless_zero_profile,ingress_lossy_zero_profile"
+{% endif %}
+        }{% if not loop.last %},{% endif %}
+
+{% endfor %}
+{% endif %}
+    },
+    "BUFFER_PORT_EGRESS_PROFILE_LIST": {
+{% for port in port_names_active.split(',') %}
+        "{{ port }}": {
+            "profile_list" : "egress_lossless_profile,egress_lossy_profile"
+        }{% if not loop.last %},{% endif %}
+
+{% endfor %}
+{% if port_names_inactive|length > 0 %}
+,
+{% for port in port_names_inactive.split(',') %}
+        "{{ port }}": {
+{% if dynamic_mode is defined %}
+            "profile_list" : "egress_lossless_profile,egress_lossy_profile"
+{% else %}
+            "profile_list" : "egress_lossless_zero_profile,egress_lossy_zero_profile"
+{% endif %}
+        }{% if not loop.last %},{% endif %}
+
+{% endfor %}
+{% endif %}
+    }
+{%- endmacro %}
+
+{%- macro generate_queue_buffers(port_names_active, port_names_inactive) %}
+    "BUFFER_QUEUE": {
+{% for port in port_names_active.split(',') %}
+        "{{ port }}|3-4": {
+            "profile" : "egress_lossless_profile"
+        },
+{% endfor %}
+{% for port in port_names_active.split(',') %}
+        "{{ port }}|0-2": {
+            "profile" : "q_lossy_profile"
+        },
+{% endfor %}
+{% for port in port_names_active.split(',') %}
+        "{{ port }}|5-6": {
+            "profile" : "q_lossy_profile"
+        }{% if not loop.last %},{% endif %}
+
+{% endfor %}
+{% if port_names_inactive|length > 0 %}
+,
+{% if dynamic_mode is defined %}
+{% for port in port_names_inactive.split(',') %}
+        "{{ port }}|3-4": {
+            "profile" : "egress_lossless_profile"
+        },
+{% endfor %}
+{% for port in port_names_inactive.split(',') %}
+        "{{ port }}|0-2": {
+            "profile" : "q_lossy_profile"
+        },
+{% endfor %}
+{% for port in port_names_inactive.split(',') %}
+        "{{ port }}|5-6": {
+            "profile" : "q_lossy_profile"
+        }{% if not loop.last %},{% endif %}
+
+{% endfor %}
+{% else %}
+{% for port in port_names_inactive.split(',') %}
+        "{{ port }}|3-4": {
+            "profile" : "egress_lossless_zero_profile"
+        },
+{% endfor %}
+{% for port in port_names_inactive.split(',') %}
+        "{{ port }}|0-2": {
+            "profile" : "egress_lossy_zero_profile"
+        },
+{% endfor %}
+{% for port in port_names_inactive.split(',') %}
+        "{{ port }}|5-6": {
+            "profile" : "egress_lossy_zero_profile"
+        }{% if not loop.last %},{% endif %}
+
+{% endfor %}
+{% endif %}
+{% endif %}
+    }
+{%- endmacro %}
+
+{%- macro generate_pg_profiles(port_names_active, port_names_inactive) %}
+    "BUFFER_PG": {
+{% for port in port_names_active.split(',') %}
+{% if dynamic_mode is defined %}
+        "{{ port }}|3-4": {
+            "profile" : "NULL"
+        },
+{% endif %}
+        "{{ port }}|0": {
+            "profile" : "ingress_lossy_profile"
+        }{% if not loop.last %},{% endif %}
+
+{% endfor %}
+{% if port_names_inactive|length > 0 %}
+{%- for port in port_names_inactive.split(',') %}
+       {%- if loop.first -%},{%- endif -%}
+{% if dynamic_mode is defined %}
+        "{{ port }}|3-4": {
+            "profile" : "NULL"
+        },
+{% endif %}
+       "{{ port }}|0": {
+{% if dynamic_mode is defined %}
+            "profile" : "ingress_lossy_profile"
+{% else %}
+            "profile" : "ingress_lossy_pg_zero_profile"
+{% endif %}
+        }{% if not loop.last %},{% endif %}
+
+{% endfor %}
+{% endif %}
+    }
+{%- endmacro %}

device/mellanox/x86_64-mlnx_msn2700-r0/ACS-MSN2700/buffers_defaults_t0.j2

@@ -4,109 +4,20 @@
 {% set egress_lossless_pool_size =  '13945824' %}
 {% set egress_lossy_pool_size =  '4580864' %}
 
-{%- macro generate_port_lists(PORT_ALL) %}
-    {# Generate list of ports #}
-    {%- for port_idx in range(0, 32) %}
-        {%- if PORT_ALL.append("Ethernet%d" % (port_idx)) %}{%- endif %}
-    {%- endfor %}
-{%- endmacro %}
+{% import 'buffers_defaults_objects.j2' as defs with context %}
 
-{%- macro generate_buffer_pool_and_profiles() %}
-    "BUFFER_POOL": {
-        "ingress_lossless_pool": {
-            {%- if dynamic_mode is not defined %}
-            "size": "{{ ingress_lossless_pool_size }}",
-            {%- endif %}
-            "type": "ingress",
-            "mode": "dynamic"
-        },
-        "ingress_lossy_pool": {
-            {%- if dynamic_mode is not defined %}
-            "size": "{{ ingress_lossy_pool_size }}",
-            {%- endif %}
-            "type": "ingress",
-            "mode": "dynamic"
-        },
-        "egress_lossless_pool": {
-            "size": "{{ egress_lossless_pool_size }}",
-            "type": "egress",
-            "mode": "dynamic"
-        },
-        "egress_lossy_pool": {
-            {%- if dynamic_mode is not defined %}
-            "size": "{{ egress_lossy_pool_size }}",
-            {%- endif %}
-            "type": "egress",
-            "mode": "dynamic"
-        }
-    },
-    "BUFFER_PROFILE": {
-        "ingress_lossless_profile": {
-            "pool":"ingress_lossless_pool",
-            "size":"0",
-            "dynamic_th":"7"
-        },
-        "ingress_lossy_profile": {
-            "pool":"ingress_lossy_pool",
-            "size":"0",
-            "dynamic_th":"3"
-        },
-        "egress_lossless_profile": {
-            "pool":"egress_lossless_pool",
-            "size":"0",
-            "dynamic_th":"7"
-        },
-        "egress_lossy_profile": {
-            "pool":"egress_lossy_pool",
-            "size":"9216",
-            "dynamic_th":"7"
-        },
-        "q_lossy_profile": {
-            "pool":"egress_lossy_pool",
-            "size":"0",
-            "dynamic_th":"3"
-        }
-    },
+{%- 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(port_names) %}
-    "BUFFER_PORT_INGRESS_PROFILE_LIST": {
-{% for port in port_names.split(',') %}
-        "{{ port }}": {
-            "profile_list" : "ingress_lossless_profile,ingress_lossy_profile"
-        }{% if not loop.last %},{% endif %}
-
-{% endfor %}
-    },
-    "BUFFER_PORT_EGRESS_PROFILE_LIST": {
-{% for port in port_names.split(',') %}
-        "{{ port }}": {
-            "profile_list" : "egress_lossless_profile,egress_lossy_profile"
-        }{% if not loop.last %},{% endif %}
-
-{% endfor %}
-    }
+{%- 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(port_names) %}
-    "BUFFER_QUEUE": {
-{% for port in port_names.split(',') %}
-        "{{ port }}|3-4": {
-            "profile" : "egress_lossless_profile"
-        },
-{% endfor %}
-{% for port in port_names.split(',') %}
-        "{{ port }}|0-2": {
-            "profile" : "q_lossy_profile"
-        },
-{% endfor %}
-{% for port in port_names.split(',') %}
-        "{{ port }}|5-6": {
-            "profile" : "q_lossy_profile"
-        }{% if not loop.last %},{% endif %}
-
-{% endfor %}
-    }
+{%- 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 %}