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[QoS, Buffer template][new HW SKU] Add qos config and buffer profile for Arista SKU (#8380)

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Song Yuan 2021-12-07 14:14:32 -08:00 committed by GitHub
parent 1509f433fd
commit 27a6641fb8
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4 changed files with 112 additions and 0 deletions
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2
device/arista/x86_64-arista_7800r3_48cq2_lc/Arista-7800R3-48CQ2-C48/buffers.json.j2 Normal file
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{%- set default_topo = 't2' %}
{%- include 'buffers_config.j2' %}

66
device/arista/x86_64-arista_7800r3_48cq2_lc/Arista-7800R3-48CQ2-C48/buffers_defaults_t2.j2 Normal file
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{%- set default_cable = '5m' %}
{%- macro generate_port_lists(PORT_ALL) %}
{# Generate list of ports #}
{%- for port_idx in range(0,192,4) %}
{%- if PORT_ALL.append("Ethernet%d" % (port_idx)) %}{%- endif %}
{%- endfor %}
{%- endmacro %}
{%- macro generate_buffer_pool_and_profiles() %}
"BUFFER_POOL": {
"ingress_lossless_pool": {
"size": "3220805000",
"type": "both",
"mode": "dynamic",
"xoff": "2102272"
}
},
"BUFFER_PROFILE": {
"ingress_lossless_profile": {
"pool":"[BUFFER_POOL|ingress_lossless_pool]",
"size":"1280",
"dynamic_th":"-2",
"xon_offset":"2560",
"xon":"0",
"xoff":"66048"
},
"ingress_lossy_profile": {
"pool":"[BUFFER_POOL|ingress_lossless_pool]",
"size":"0",
"xon_offset":"0",
"static_th":"30535680"
},
"egress_lossless_profile": {
"pool":"[BUFFER_POOL|ingress_lossless_pool]",
"size":"0",
"static_th":"33030144"
},
"egress_lossy_profile": {
"pool":"[BUFFER_POOL|ingress_lossless_pool]",
"size":"0",
"dynamic_th":"-1"
}
},
{%- endmacro %}
{%- macro generate_queue_buffers(port_names) %}
"BUFFER_QUEUE": {
{% for port in port_names.split(',') %}
"{{ port }}|3-4": {
"profile" : "[BUFFER_PROFILE|ingress_lossless_profile]"
},
{% endfor %}
{% for port in port_names.split(',') %}
"{{ port }}|0-2": {
"profile" : "[BUFFER_PROFILE|egress_lossy_profile]"
},
{% endfor %}
{% for port in port_names.split(',') %}
"{{ port }}|5-6": {
"profile" : "[BUFFER_PROFILE|egress_lossy_profile]"
}{% if not loop.last %},{% endif %}
{% endfor %}
}
{%- endmacro %}

23
device/arista/x86_64-arista_7800r3_48cq2_lc/Arista-7800R3-48CQ2-C48/pg_profile_lookup.ini Normal file
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# PG lossless profiles.
# speed cable size xon xoff threshold xon_offset
10000 5m 1280 2560 45506 0 1280
25000 5m 1280 2560 49152 0 1280
40000 5m 1280 2560 49152 0 1280
50000 5m 1280 2560 53248 0 1280
100000 5m 1280 2560 65536 0 1280
200000 5m 1280 2560 90112 0 1280
400000 5m 1280 2560 135168 0 1280
10000 40m 1280 2560 45506 0 1280
25000 40m 1280 2560 49152 0 1280
40000 40m 1280 2560 53248 0 1280
50000 40m 1280 2560 57344 0 1280
100000 40m 1280 2560 69632 0 1280
200000 40m 1280 2560 102400 0 1280
400000 40m 1280 2560 159744 0 1280
10000 300m 1280 2560 49152 0 1280
25000 300m 1280 2560 61440 0 1280
40000 300m 1280 2560 69632 0 1280
50000 300m 1280 2560 77824 0 1280
100000 300m 1280 2560 114688 0 1280
200000 300m 1280 2560 188416 0 1280
400000 300m 1280 2560 331776 0 1280

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device/arista/x86_64-arista_7800r3_48cq2_lc/Arista-7800R3-48CQ2-C48/qos.json.j2 Normal file
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{%- macro generate_wred_profiles() %}
"WRED_PROFILE": {
"AZURE_LOSSLESS" : {
"wred_green_enable" : "true",
"wred_yellow_enable" : "true",
"wred_red_enable" : "true",
"ecn" : "ecn_all",
"green_max_threshold" : "2097152",
"green_min_threshold" : "250000",
"yellow_max_threshold" : "2097152",
"yellow_min_threshold" : "1048576",
"red_max_threshold" : "2097152",
"red_min_threshold" : "1048576",
"green_drop_probability" : "5",
"yellow_drop_probability": "5",
"red_drop_probability" : "5"
}
},
{%- endmacro %}
{%- include 'qos_config.j2' %}