[Juniper][QFX5200] Adding qos.json (#4982)

Adding buffers.json.j2, buffers_defaults_t1.j2 and
qos.json.j2 for qfx5200 platform.

Signed-off-by: Ciju Rajan K <[email protected]>

Author: ciju-juniper

device/juniper/x86_64-juniper_qfx5200-r0/Juniper-QFX5200-32C-S/buffers.json.j2

@@ -0,0 +1 @@
+{%- include 'buffers_config.j2' %}

device/juniper/x86_64-juniper_qfx5200-r0/Juniper-QFX5200-32C-S/buffers_defaults_t1.j2

@@ -0,0 +1,46 @@
+{%- set default_cable = '5m' %}
+
+{%- macro generate_port_lists(PORT_ALL) %}
+    {# Generate list of ports #}
+    {%- for port_idx in range(0,64) %}
+        {%- if PORT_ALL.append("Ethernet%d" % (port_idx * 4)) %}{%- endif %}
+    {%- endfor %}
+{%- endmacro %}
+
+{%- macro generate_buffer_pool_and_profiles() %}
+    "BUFFER_POOL": {
+        "ingress_lossless_pool": {
+            "size": "33329088",
+            "type": "ingress",
+            "mode": "dynamic",
+            "xoff": "7827456"
+        },
+        "egress_lossy_pool": {
+            "size": "26663272",
+            "type": "egress",
+            "mode": "dynamic"
+        },
+        "egress_lossless_pool": {
+            "size": "42349632",
+            "type": "egress",
+            "mode": "static"
+        }
+    },
+    "BUFFER_PROFILE": {
+        "ingress_lossy_profile": {
+            "pool":"[BUFFER_POOL|ingress_lossless_pool]",
+            "size":"0",
+            "static_th":"44302336"
+        },
+        "egress_lossless_profile": {
+            "pool":"[BUFFER_POOL|egress_lossless_pool]",
+            "size":"0",
+            "static_th":"42349632"
+        },
+        "egress_lossy_profile": {
+            "pool":"[BUFFER_POOL|egress_lossy_pool]",
+            "size":"1664",
+            "dynamic_th":"-1"
+        }
+    },
+{%- endmacro %}

device/juniper/x86_64-juniper_qfx5200-r0/Juniper-QFX5200-32C-S/qos.json.j2

@@ -0,0 +1 @@
+{%- include 'qos_config.j2' %}