Add new hwsku Arista-7050-Q31S4

device/arista/x86_64-arista_7050_qx32s/Arista-7050-Q31S4/buffers.json.j2

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+{%- set default_topo = 't1' %}
+{%- include 'buffers_config.j2' %}
+

device/arista/x86_64-arista_7050_qx32s/Arista-7050-Q31S4/buffers_defaults_t1.j2

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+{%- set default_cable = '300m' %}
+
+{%- macro generate_port_lists(PORT_ALL) %}
+ {# Generate list of ports #}
+ {% if PORT_ALL.append("Ethernet0") %}{% endif %}
+ {% if PORT_ALL.append("Ethernet1") %}{% endif %}
+ {% if PORT_ALL.append("Ethernet2") %}{% endif %}
+ {% if PORT_ALL.append("Ethernet3") %}{% endif %}
+ {% for port_idx in range(1,32) %}
+ {% 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": "8072396",
+ "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 %}

device/arista/x86_64-arista_7050_qx32s/Arista-7050-Q31S4/hwsku-init

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+echo 1 > /sys/devices/pci0000:00/0000:00:02.2/0000:02:00.0/mux

device/arista/x86_64-arista_7050_qx32s/Arista-7050-Q31S4/pg_profile_lookup.ini

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+# PG lossless profiles.
+# speed cable size xon xoff threshold xon_offset
+ 10000 5m 41808 18432 40560 -4 2496
+ 40000 5m 41808 18432 40560 -4 2496
+ 50000 5m 41808 18432 40560 -4 2496
+ 100000 5m 41808 18432 40560 -4 2496
+ 10000 40m 41808 18432 40560 -4 2496
+ 40000 40m 41808 18432 40560 -4 2496
+ 50000 40m 41808 18432 40560 -4 2496
+ 100000 40m 41808 18432 40560 -4 2496
+ 10000 300m 41808 18432 40560 -4 2496
+ 40000 300m 41808 18432 40560 -4 2496
+ 50000 300m 41808 18432 40560 -4 2496
+ 100000 300m 41808 18432 40560 -4 2496

device/arista/x86_64-arista_7050_qx32s/Arista-7050-Q31S4/port_config.ini

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+# name lanes alias index
+Ethernet0 9 Ethernet1 1
+Ethernet1 10 Ethernet2 2
+Ethernet2 11 Ethernet3 3
+Ethernet3 12 Ethernet4 4
+Ethernet4 13,14,15,16 Ethernet6/1 6
+Ethernet8 17,18,19,20 Ethernet7/1 7
+Ethernet12 21,22,23,24 Ethernet8/1 8
+Ethernet16 29,30,31,32 Ethernet9/1 9
+Ethernet20 25,26,27,28 Ethernet10/1 10
+Ethernet24 33,34,35,36 Ethernet11/1 11
+Ethernet28 37,38,39,40 Ethernet12/1 12
+Ethernet32 45,46,47,48 Ethernet13/1 13
+Ethernet36 41,42,43,44 Ethernet14/1 14
+Ethernet40 49,50,51,52 Ethernet15/1 15
+Ethernet44 53,54,55,56 Ethernet16/1 16
+Ethernet48 69,70,71,72 Ethernet17/1 17
+Ethernet52 65,66,67,68 Ethernet18/1 18
+Ethernet56 73,74,75,76 Ethernet19/1 19
+Ethernet60 77,78,79,80 Ethernet20/1 20
+Ethernet64 93,94,95,96 Ethernet21/1 21
+Ethernet68 89,90,91,92 Ethernet22/1 22
+Ethernet72 97,98,99,100 Ethernet23/1 23
+Ethernet76 101,102,103,104 Ethernet24/1 24
+Ethernet80 109,110,111,112 Ethernet25/1 25
+Ethernet84 105,106,107,108 Ethernet26/1 26
+Ethernet88 121,122,123,124 Ethernet27/1 27
+Ethernet92 125,126,127,128 Ethernet28/1 28
+Ethernet96 61,62,63,64 Ethernet29 29
+Ethernet100 57,58,59,60 Ethernet30 30
+Ethernet104 81,82,83,84 Ethernet31 31
+Ethernet108 85,86,87,88 Ethernet32 32
+Ethernet112 117,118,119,120 Ethernet33 33
+Ethernet116 113,114,115,116 Ethernet34 34
+Ethernet120 1,2,3,4 Ethernet35 35
+Ethernet124 5,6,7,8 Ethernet36 36

device/arista/x86_64-arista_7050_qx32s/Arista-7050-Q31S4/qos.json.j2

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+{
+ "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"
+ }
+ },
+ "PORT_QOS_MAP": {
+ "Ethernet0,Ethernet1,Ethernet2,Ethernet3,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_enable": "3,4"
+ }
+ },
+ "WRED_PROFILE": {
+ "AZURE_LOSSLESS" : {
+ "wred_green_enable":"true",
+ "wred_yellow_enable":"true",
+ "wred_red_enable":"true",
+ "ecn":"ecn_all",
+ "red_max_threshold":"312000",
+ "red_min_threshold":"104000",
+ "yellow_max_threshold":"312000",
+ "yellow_min_threshold":"104000",
+ "green_max_threshold":"312000",
+ "green_min_threshold":"104000"
+ }
+ },
+ "QUEUE": {
+ "Ethernet0,Ethernet1,Ethernet2,Ethernet3,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]"
+ },
+ "Ethernet0,Ethernet1,Ethernet2,Ethernet3,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" : {
+ "wred_profile" : "[WRED_PROFILE|AZURE_LOSSLESS]"
+ },
+ "Ethernet0,Ethernet1,Ethernet2,Ethernet3,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|4" : {
+ "wred_profile" : "[WRED_PROFILE|AZURE_LOSSLESS]"
+ },
+ "Ethernet0,Ethernet1,Ethernet2,Ethernet3,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,Ethernet1,Ethernet2,Ethernet3,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]"
+ }
+ }
+}

device/arista/x86_64-arista_7050_qx32s/Arista-7050-Q31S4/sai.profile

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+SAI_INIT_CONFIG_FILE=/usr/share/sonic/hwsku/td2-a7050-q31s4-31x40G-4x10G.config.bcm