sonic-buildimage/device/mellanox/x86_64-mlnx_msn2700-r0/Mellanox-SN2700-D40C8S8/buffers_defaults_t0.j2
Dror Prital 51eee8ccce
Add new SKU of Mellanox-SN2700-D40C8S8 (#6876)
#### Why I did it

Add new SKU for SN2700 Mellanox system that supports the following port configuration:
8 X 100G
40 X 50G
8 X 10G

#### How I did it

Add new Folder - "Mellanox-SN2700-D40C8S8" under /sonic-buildimage/device/mellanox/x86_64-mlnx_msn2700-r0/
that contains the relevant files supporting this SKU

the buffers are based on SKU: D48C8 . Later on it will be configured specific for this SKU

#### How to verify it

Bring up the image, run "show interface status" and make sure that all ports are up and reflect the following requirement:
Port 1/3 will be used as 4x10G
Port 2/4 - Not exist (blocked since 1 and 3 split to 4)
Port 7/8/9/10/23/24/25/26 will used as 100G
All other ports will be used as 2x50G

#### Which release branch to backport (provide reason below if selected)

- [ ] 201811
- [ ] 201911
- [ ] 202006
- [X] 202012

#### Description for the changelog

Support new SKU under the name of SN2700-D40C8S8
2021-02-24 10:34:12 -08:00

103 lines
3.0 KiB
Django/Jinja

{% set default_cable = '5m' %}
{% set ingress_lossless_pool_size = '7719936' %}
{% set ingress_lossless_pool_xoff = '1032192' %}
{% set egress_lossless_pool_size = '13945824' %}
{% set egress_lossy_pool_size = '7719936' %}
{%- 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 %}
{%- macro generate_buffer_pool_and_profiles() %}
"BUFFER_POOL": {
"ingress_lossless_pool": {
"size": "{{ ingress_lossless_pool_size }}",
"xoff": "{{ ingress_lossless_pool_xoff }}",
"type": "ingress",
"mode": "dynamic"
},
"egress_lossless_pool": {
"size": "{{ egress_lossless_pool_size }}",
"type": "egress",
"mode": "dynamic"
},
"egress_lossy_pool": {
"size": "{{ egress_lossy_pool_size }}",
"type": "egress",
"mode": "dynamic"
}
},
"BUFFER_PROFILE": {
"ingress_lossless_profile": {
"pool":"[BUFFER_POOL|ingress_lossless_pool]",
"size":"0",
"dynamic_th":"7"
},
"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",
"dynamic_th":"7"
},
"egress_lossy_profile": {
"pool":"[BUFFER_POOL|egress_lossy_pool]",
"size":"9216",
"dynamic_th":"7"
},
"q_lossy_profile": {
"pool":"[BUFFER_POOL|egress_lossy_pool]",
"size":"0",
"dynamic_th":"3"
}
},
{%- endmacro %}
{%- macro generate_profile_lists(port_names) %}
"BUFFER_PORT_INGRESS_PROFILE_LIST": {
{% for port in port_names.split(',') %}
"{{ port }}": {
"profile_list" : "[BUFFER_PROFILE|ingress_lossless_profile]"
}{% if not loop.last %},{% endif %}
{% endfor %}
},
"BUFFER_PORT_EGRESS_PROFILE_LIST": {
{% for port in port_names.split(',') %}
"{{ port }}": {
"profile_list" : "[BUFFER_PROFILE|egress_lossless_profile],[BUFFER_PROFILE|egress_lossy_profile]"
}{% if not loop.last %},{% endif %}
{% endfor %}
}
{%- endmacro %}
{%- macro generate_queue_buffers(port_names) %}
"BUFFER_QUEUE": {
{% for port in port_names.split(',') %}
"{{ port }}|3-4": {
"profile" : "[BUFFER_PROFILE|egress_lossless_profile]"
},
{% endfor %}
{% for port in port_names.split(',') %}
"{{ port }}|0-2": {
"profile" : "[BUFFER_PROFILE|q_lossy_profile]"
},
{% endfor %}
{% for port in port_names.split(',') %}
"{{ port }}|5-6": {
"profile" : "[BUFFER_PROFILE|q_lossy_profile]"
}{% if not loop.last %},{% endif %}
{% endfor %}
}
{%- endmacro %}