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+ Modified buffer config template to include internal ASIC with 5m ca… #4959

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merged 4 commits into from
Jul 27, 2020
Merged

+ Modified buffer config template to include internal ASIC with 5m ca… #4959

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04734ba
+ Modified buffer config template to include internal ASIC with 5m ca…
smaheshm Jul 13, 2020
9dd6903
error in 'if' statement, fixed it
smaheshm Jul 14, 2020
383de5f
+ added unit test to verify cable length calculation for multi ASIC p…
smaheshm Jul 21, 2020
ed754d8
+ added comment for the change in 'sort_port_by_index' API
smaheshm Jul 23, 2020
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13 changes: 9 additions & 4 deletions files/build_templates/buffers_config.j2
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Original file line number Diff line number Diff line change
Expand Up @@ -34,6 +34,7 @@ def
{%- else %}
{%- set ports2cable = {
'torrouter_server' : '5m',
'internal' : '5m',
'leafrouter_torrouter' : '40m',
'spinerouter_leafrouter' : '300m'
}
Expand All @@ -47,10 +48,14 @@ def
{%- if DEVICE_NEIGHBOR_METADATA is defined and DEVICE_NEIGHBOR_METADATA[DEVICE_NEIGHBOR[local_port].name] %}
{%- set neighbor = DEVICE_NEIGHBOR_METADATA[DEVICE_NEIGHBOR[local_port].name] %}
{%- set neighbor_role = neighbor.type %}
{%- set roles1 = switch_role + '_' + neighbor_role %}
{%- set roles2 = neighbor_role + '_' + switch_role %}
{%- set roles1 = roles1 | lower %}
{%- set roles2 = roles2 | lower %}
{%- if 'asic' == neighbor_role | lower %}
{%- set roles1 = 'internal' %}
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do we have unit test to cover this change in sonic-config-engine?

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Added unit test.

{%- else %}
{%- set roles1 = switch_role + '_' + neighbor_role %}
{%- set roles2 = neighbor_role + '_' + switch_role %}
{%- set roles1 = roles1 | lower %}
{%- set roles2 = roles2 | lower %}
{%- endif %}
{%- if roles1 in ports2cable %}
{%- if cable_len.append(ports2cable[roles1]) %}{% endif %}
{%- elif roles2 in ports2cable %}
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4 changes: 3 additions & 1 deletion src/sonic-config-engine/sonic-cfggen
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Expand Up @@ -57,7 +57,9 @@ def sort_by_port_index(value):
if not value:
return
if isinstance(value, list):
value.sort(key = lambda k: int(k[8:]))
value.sort(
key = lambda k: int(k[8:]) if "BP" not in k else int(k[11:]) + 1024
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@lguohan lguohan Jul 18, 2020 •
edited
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it is difficult to understand the logic here, for example, what does BP mean? what is 1024? why 1024?

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Backend ethernet ports are identified as 'Ethernet-BPxy'. The change extracts the port number for the backend ports. '1024' is just to sort the back end ports after the front end ports, assuming number of front end ports will be < 1024.
'+ 1024' has no functional impact other than for cleaner look in config_db. All backend ports are grouped at the end. This can be removed if that is preferred.

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Can you add a comment above this sort for future reference?

)

def is_ipv4(value):
if not value:
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