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[7260] update buffer configurations (#10077)

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Why I did it
Update 7260 buffer configuration according to 201911 branch tested values.

Signed-off-by: Ying Xie ying.xie@microsoft.com
This commit is contained in:
Ying Xie 2022-02-24 07:25:28 -08:00 committed by GitHub
parent b39f6b3618
commit 550aa0c8e9
No known key found for this signature in database
GPG Key ID: 4AEE18F83AFDEB23
3 changed files with 19 additions and 13 deletions
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16
device/arista/x86_64-arista_7260cx3_64/Arista-7260CX3-C64/buffers_defaults_t1.j2
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@ -10,18 +10,22 @@
{%- macro generate_buffer_pool_and_profiles() %}
"BUFFER_POOL": {
"ingress_lossless_pool": {
"size": "33329088",
{# SS Tab2 Row 71 #}
"size": "33582016",
"type": "ingress",
"mode": "dynamic",
"xoff": "7827456"
{# SS Tab2 Row 68 #}
"xoff": "8965632"
},
"egress_lossy_pool": {
"size": "26663272",
{# SS Tab2 Row 60 #}
"size": "26866112",
"type": "egress",
"mode": "dynamic"
},
"egress_lossless_pool": {
"size": "42349632",
{# SS Tab2 Row 56 #}
"size": "43481152",
"type": "egress",
"mode": "static"
}
@ -30,12 +34,14 @@
"ingress_lossy_profile": {
"pool":"[BUFFER_POOL|ingress_lossless_pool]",
"size":"0",
{# SS Tab1 Row 9 #}
"static_th":"44302336"
},
"egress_lossless_profile": {
"pool":"[BUFFER_POOL|egress_lossless_pool]",
"size":"0",
"static_th":"42349632"
{# SS Tab2 Row 56 #}
"static_th":"43481152"
},
"egress_lossy_profile": {
"pool":"[BUFFER_POOL|egress_lossy_pool]",

12
device/arista/x86_64-arista_7260cx3_64/Arista-7260CX3-C64/pg_profile_lookup.ini
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@ -1,8 +1,8 @@
# PG lossless profiles.
# speed cable size xon xoff threshold xon_offset
50000 5m 1248 1248 56160 -3 2496
100000 5m 1248 1248 96928 -3 2496
50000 40m 1248 1248 96096 -3 2496
100000 40m 1248 1248 177632 -3 2496
50000 300m 1248 1248 141856 -3 2496
100000 300m 1248 1248 268736 -3 2496
100000 5m 1248 1248 54080 -3 2496
100000 40m 1248 1248 59696 -3 2496
100000 300m 1248 1248 101088 -3 2496
40000 5m 1248 1248 29536 -3 2496
40000 40m 1248 1248 31616 -3 2496
40000 300m 1248 1248 48256 -3 2496

4
device/arista/x86_64-arista_7260cx3_64/Arista-7260CX3-C64/th2-a7260cx3-64-64x100G-t0.config.bcm
View File

@ -977,7 +977,7 @@ serdes_preemphasis_46=0x144108
serdes_preemphasis_47=0x103a07
serdes_preemphasis_48=0x194407
serdes_preemphasis_49=0x194407
serdes_preemphasis_66=0x62f01
serdes_preemphasis_66=0x43004
serdes_preemphasis_68=0x164308
serdes_preemphasis_69=0x164408
serdes_preemphasis_70=0xe3206
@ -994,7 +994,7 @@ serdes_preemphasis_80=0x184606
serdes_preemphasis_81=0x184407
serdes_preemphasis_82=0x103706
serdes_preemphasis_83=0x103706
serdes_preemphasis_100=0x62f01
serdes_preemphasis_100=0x43004
serdes_preemphasis_102=0x184408
serdes_preemphasis_103=0x184606
serdes_preemphasis_104=0x184606