Merge pull request #3015 : add kvm image support for all skus

[kvm]: add kvm image support for all skus

Author: lguohan

device/dell/x86_64-dell_s6000_s1220-r0/Force10-S6000/buffers_defaults_def.j2

@@ -0,0 +1,45 @@
+{%- set default_cable = '300m' %}
+
+{%- 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 * 4)) %}{% endif %}
+    {% endfor %}
+{%- endmacro %}
+
+{%- macro generate_buffer_pool_and_profiles() %}
+    "BUFFER_POOL": {
+        "ingress_lossless_pool": {
+            "size": "12766208",
+            "type": "ingress",
+            "mode": "dynamic"
+        },
+        "egress_lossless_pool": {
+            "size": "12766208",
+            "type": "egress",
+            "mode": "static"
+        },
+        "egress_lossy_pool": {
+            "size": "7326924",
+            "type": "egress",
+            "mode": "dynamic"
+        }
+    },
+    "BUFFER_PROFILE": {
+        "ingress_lossy_profile": {
+            "pool":"[BUFFER_POOL|ingress_lossless_pool]",
+            "size":"0",
+            "dynamic_th":"3"
+        },
+        "egress_lossless_profile": {
+            "pool":"[BUFFER_POOL|egress_lossless_pool]",
+            "size":"0",
+            "static_th":"12766208"
+        },
+        "egress_lossy_profile": {
+            "pool":"[BUFFER_POOL|egress_lossy_pool]",
+            "size":"1518",
+            "dynamic_th":"3"
+        }
+    },
+{%- endmacro %}