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[MMU] define T1 MMU configuratino for Arista-7260CX3-Q64 (#7718)

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Why I did it
Arista-7260CX3-Q64 is missing T1 MMU configuration.

How I did it
Define T1 MMU configuration for Arista-7260CX3-Q64.

Signed-off-by: Ying Xie <ying.xie@microsoft.com>
This commit is contained in:
Ying Xie 2021-05-27 08:20:07 -07:00 committed by GitHub
parent 237849a330
commit a42aa3d316
No known key found for this signature in database
GPG Key ID: 4AEE18F83AFDEB23
3 changed files with 63 additions and 8 deletions
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2
device/arista/x86_64-arista_7260cx3_64/Arista-7260CX3-Q64/buffers.json.j2
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@ -1,3 +1,3 @@
{%- set default_topo = 't0' %}
{%- set default_topo = 't1' %}
{%- include 'buffers_config.j2' %}

46
device/arista/x86_64-arista_7260cx3_64/Arista-7260CX3-Q64/buffers_defaults_t1.j2 Normal file
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@ -0,0 +1,46 @@
{%- set default_cable = '300m' %}
{%- 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 %}

23
device/arista/x86_64-arista_7260cx3_64/Arista-7260CX3-Q64/config.bcm.j2
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@ -1,11 +1,20 @@
{# Construct config.bcm to include additional soc properties per specific device metadata requirement #}
{%- set mmu_sock = 'mmu_init_config="MSFT-TH2-Tier1"' -%}
{%- set IPinIP_sock = '' -%}
{%- if DEVICE_METADATA is defined and DEVICE_METADATA['localhost'] is defined and DEVICE_METADATA['localhost']['subtype'] is defined -%}
{%- set switch_subtype = DEVICE_METADATA['localhost']['subtype'] -%}
{%- if 'dualtor' in switch_subtype.lower() %}
{%- set IPinIP_sock = 'sai_tunnel_support=1
host_as_route_disable=1
l3_ecmp_levels=2' -%}
{%- if DEVICE_METADATA is defined and DEVICE_METADATA['localhost'] is defined -%}
{%- if DEVICE_METADATA['localhost']['type'] is defined -%}
{%- set switch_role = DEVICE_METADATA['localhost']['type'] -%}
{%- if 'torrouter' in switch_role.lower() or 'torswitch' in switch_role.lower() %}
{%- set mmu_sock = 'mmu_init_config="MSFT-TH2-Tier0"' -%}
{%- endif %}
{%- endif %}
{%- if DEVICE_METADATA['localhost']['subtype'] is defined -%}
{%- set switch_subtype = DEVICE_METADATA['localhost']['subtype'] -%}
{%- if 'dualtor' in switch_subtype.lower() %}
{%- set IPinIP_sock = 'sai_tunnel_support=1
host_as_route_disable=1
l3_ecmp_levels=2' -%}
{%- endif %}
{%- endif %}
{%- endif %}
{# The following is the common soc properties that used to be named "th2-a7260cx3-64-64x40G.config.bcm" #}
@ -1023,5 +1032,5 @@ serdes_preemphasis_115=0x61c01
serdes_preemphasis_116=0x105004
serdes_preemphasis_117=0x105004
mmu_init_config="MSFT-TH2-Tier0"
{{ mmu_sock }}
{{ IPinIP_sock }}