From 0db7e88313994cffe5e29e2ebe5f0aa993073513 Mon Sep 17 00:00:00 2001 From: Stephen Sun <5379172+stephenxs@users.noreply.github.com> Date: Thu, 30 Jul 2020 19:22:08 +0800 Subject: [PATCH] [Mellanox] Update the buffer setting (#4989) * Update the buffer size based on the latest excel Signed-off-by: Stephen Sun * Align the buffer configuration with the latest formula: - reduce redundant "*2" in formula - use port MTU for local sending the PFC frame and peer lossless MTU for peer sending lossless traffic Buffer pool size updated accordingly. Signed-off-by: Stephen Sun --- .../ACS-MSN2700/buffers_defaults_t0.j2 | 14 +++--- .../ACS-MSN2700/buffers_defaults_t1.j2 | 14 +++--- .../ACS-MSN2700/pg_profile_lookup.ini | 34 ++++++------- .../ACS-MSN3700/buffers_defaults_t0.j2 | 14 +++--- .../ACS-MSN3700/buffers_defaults_t1.j2 | 14 +++--- .../ACS-MSN3700/pg_profile_lookup.ini | 42 ++++++++-------- .../ACS-MSN3800/buffers_defaults_t0.j2 | 14 +++--- .../ACS-MSN3800/buffers_defaults_t1.j2 | 14 +++--- .../ACS-MSN3800/pg_profile_lookup.ini | 40 +++++++--------- .../ACS-MSN4700/buffers_defaults_t0.j2 | 12 ++--- .../ACS-MSN4700/buffers_defaults_t1.j2 | 12 ++--- .../ACS-MSN4700/pg_profile_lookup.ini | 48 +++++++++---------- 12 files changed, 131 insertions(+), 141 deletions(-) diff --git a/device/mellanox/x86_64-mlnx_msn2700-r0/ACS-MSN2700/buffers_defaults_t0.j2 b/device/mellanox/x86_64-mlnx_msn2700-r0/ACS-MSN2700/buffers_defaults_t0.j2 index 5529ee3d85..b8f7d07091 100644 --- a/device/mellanox/x86_64-mlnx_msn2700-r0/ACS-MSN2700/buffers_defaults_t0.j2 +++ b/device/mellanox/x86_64-mlnx_msn2700-r0/ACS-MSN2700/buffers_defaults_t0.j2 @@ -1,8 +1,8 @@ {% set default_cable = '5m' %} -{% set ingress_lossless_pool_size = '5029836' %} -{% set ingress_lossy_pool_size = '5029836' %} -{% set egress_lossless_pool_size = '14024599' %} -{% set egress_lossy_pool_size = '5029836' %} +{% set ingress_lossless_pool_size = '4580864' %} +{% set ingress_lossy_pool_size = '4580864' %} +{% set egress_lossless_pool_size = '13945824' %} +{% set egress_lossy_pool_size = '4580864' %} {%- macro generate_port_lists(PORT_ALL) %} {# Generate list of ports #} @@ -38,7 +38,7 @@ "ingress_lossless_profile": { "pool":"[BUFFER_POOL|ingress_lossless_pool]", "size":"0", - "dynamic_th":"0" + "dynamic_th":"7" }, "ingress_lossy_profile": { "pool":"[BUFFER_POOL|ingress_lossy_pool]", @@ -52,8 +52,8 @@ }, "egress_lossy_profile": { "pool":"[BUFFER_POOL|egress_lossy_pool]", - "size":"4096", - "dynamic_th":"3" + "size":"9216", + "dynamic_th":"7" }, "q_lossy_profile": { "pool":"[BUFFER_POOL|egress_lossy_pool]", diff --git a/device/mellanox/x86_64-mlnx_msn2700-r0/ACS-MSN2700/buffers_defaults_t1.j2 b/device/mellanox/x86_64-mlnx_msn2700-r0/ACS-MSN2700/buffers_defaults_t1.j2 index f418e2ffa1..a8d3220560 100644 --- a/device/mellanox/x86_64-mlnx_msn2700-r0/ACS-MSN2700/buffers_defaults_t1.j2 +++ b/device/mellanox/x86_64-mlnx_msn2700-r0/ACS-MSN2700/buffers_defaults_t1.j2 @@ -1,8 +1,8 @@ {% set default_cable = '5m' %} -{% set ingress_lossless_pool_size = '2097100' %} -{% set ingress_lossy_pool_size = '2097100' %} -{% set egress_lossless_pool_size = '14024599' %} -{% set egress_lossy_pool_size = '2097100' %} +{% set ingress_lossless_pool_size = '3302912' %} +{% set ingress_lossy_pool_size = '3302912' %} +{% set egress_lossless_pool_size = '13945824' %} +{% set egress_lossy_pool_size = '3302912' %} {%- macro generate_port_lists(PORT_ALL) %} {# Generate list of ports #} @@ -38,7 +38,7 @@ "ingress_lossless_profile": { "pool":"[BUFFER_POOL|ingress_lossless_pool]", "size":"0", - "dynamic_th":"0" + "dynamic_th":"7" }, "ingress_lossy_profile": { "pool":"[BUFFER_POOL|ingress_lossy_pool]", @@ -52,8 +52,8 @@ }, "egress_lossy_profile": { "pool":"[BUFFER_POOL|egress_lossy_pool]", - "size":"4096", - "dynamic_th":"3" + "size":"9216", + "dynamic_th":"7" }, "q_lossy_profile": { "pool":"[BUFFER_POOL|egress_lossy_pool]", diff --git a/device/mellanox/x86_64-mlnx_msn2700-r0/ACS-MSN2700/pg_profile_lookup.ini b/device/mellanox/x86_64-mlnx_msn2700-r0/ACS-MSN2700/pg_profile_lookup.ini index b66b129fe4..7abb2a058d 100644 --- a/device/mellanox/x86_64-mlnx_msn2700-r0/ACS-MSN2700/pg_profile_lookup.ini +++ b/device/mellanox/x86_64-mlnx_msn2700-r0/ACS-MSN2700/pg_profile_lookup.ini @@ -1,17 +1,17 @@ -# PG lossless profiles. -# speed cable size xon xoff threshold - 10000 5m 34816 18432 16384 0 - 25000 5m 34816 18432 16384 0 - 40000 5m 34816 18432 16384 0 - 50000 5m 34816 18432 16384 0 - 100000 5m 36864 18432 18432 0 - 10000 40m 36864 18432 18432 0 - 25000 40m 39936 18432 21504 0 - 40000 40m 41984 18432 23552 0 - 50000 40m 41984 18432 23552 0 - 100000 40m 54272 18432 35840 0 - 10000 300m 49152 18432 30720 0 - 25000 300m 71680 18432 53248 0 - 40000 300m 94208 18432 75776 0 - 50000 300m 94208 18432 75776 0 - 100000 300m 184320 18432 165888 0 +# PG lossless profiles. +# speed cable size xon xoff threshold + 10000 5m 49152 19456 29696 0 + 25000 5m 49152 19456 29696 0 + 40000 5m 49152 19456 29696 0 + 50000 5m 49152 19456 29696 0 + 100000 5m 50176 19456 30720 0 + 10000 40m 49152 19456 29696 0 + 25000 40m 51200 19456 31744 0 + 40000 40m 52224 19456 32768 0 + 50000 40m 53248 19456 33792 0 + 100000 40m 58368 19456 38912 0 + 10000 300m 56320 19456 36864 0 + 25000 300m 67584 19456 48128 0 + 40000 300m 78848 19456 59392 0 + 50000 300m 86016 19456 66560 0 + 100000 300m 123904 19456 104448 0 diff --git a/device/mellanox/x86_64-mlnx_msn3700-r0/ACS-MSN3700/buffers_defaults_t0.j2 b/device/mellanox/x86_64-mlnx_msn3700-r0/ACS-MSN3700/buffers_defaults_t0.j2 index e26ad28b9f..959cc8359b 100644 --- a/device/mellanox/x86_64-mlnx_msn3700-r0/ACS-MSN3700/buffers_defaults_t0.j2 +++ b/device/mellanox/x86_64-mlnx_msn3700-r0/ACS-MSN3700/buffers_defaults_t0.j2 @@ -1,8 +1,8 @@ {% set default_cable = '5m' %} -{% set ingress_lossless_pool_size = '14983147' %} -{% set ingress_lossy_pool_size = '14983147' %} -{% set egress_lossless_pool_size = '34340822' %} -{% set egress_lossy_pool_size = '14983147' %} +{% set ingress_lossless_pool_size = '14542848' %} +{% set ingress_lossy_pool_size = '14542848' %} +{% set egress_lossless_pool_size = '34287552' %} +{% set egress_lossy_pool_size = '14542848' %} {%- macro generate_port_lists(PORT_ALL) %} {# Generate list of ports #} @@ -38,7 +38,7 @@ "ingress_lossless_profile": { "pool":"[BUFFER_POOL|ingress_lossless_pool]", "size":"0", - "dynamic_th":"0" + "dynamic_th":"7" }, "ingress_lossy_profile": { "pool":"[BUFFER_POOL|ingress_lossy_pool]", @@ -52,8 +52,8 @@ }, "egress_lossy_profile": { "pool":"[BUFFER_POOL|egress_lossy_pool]", - "size":"4096", - "dynamic_th":"3" + "size":"9216", + "dynamic_th":"7" }, "q_lossy_profile": { "pool":"[BUFFER_POOL|egress_lossy_pool]", diff --git a/device/mellanox/x86_64-mlnx_msn3700-r0/ACS-MSN3700/buffers_defaults_t1.j2 b/device/mellanox/x86_64-mlnx_msn3700-r0/ACS-MSN3700/buffers_defaults_t1.j2 index b5e4ff8d17..cef78f34b4 100644 --- a/device/mellanox/x86_64-mlnx_msn3700-r0/ACS-MSN3700/buffers_defaults_t1.j2 +++ b/device/mellanox/x86_64-mlnx_msn3700-r0/ACS-MSN3700/buffers_defaults_t1.j2 @@ -1,8 +1,8 @@ {% set default_cable = '5m' %} -{% set ingress_lossless_pool_size = '9158635' %} -{% set ingress_lossy_pool_size = '9158635' %} -{% set egress_lossless_pool_size = '34340822' %} -{% set egress_lossy_pool_size = '9158635' %} +{% set ingress_lossless_pool_size = '11622400' %} +{% set ingress_lossy_pool_size = '11622400' %} +{% set egress_lossless_pool_size = '34287552' %} +{% set egress_lossy_pool_size = '11622400' %} {%- macro generate_port_lists(PORT_ALL) %} {# Generate list of ports #} @@ -38,7 +38,7 @@ "ingress_lossless_profile": { "pool":"[BUFFER_POOL|ingress_lossless_pool]", "size":"0", - "dynamic_th":"0" + "dynamic_th":"7" }, "ingress_lossy_profile": { "pool":"[BUFFER_POOL|ingress_lossy_pool]", @@ -52,8 +52,8 @@ }, "egress_lossy_profile": { "pool":"[BUFFER_POOL|egress_lossy_pool]", - "size":"4096", - "dynamic_th":"3" + "size":"9216", + "dynamic_th":"7" }, "q_lossy_profile": { "pool":"[BUFFER_POOL|egress_lossy_pool]", diff --git a/device/mellanox/x86_64-mlnx_msn3700-r0/ACS-MSN3700/pg_profile_lookup.ini b/device/mellanox/x86_64-mlnx_msn3700-r0/ACS-MSN3700/pg_profile_lookup.ini index 6cd06326cf..2e420e1587 100644 --- a/device/mellanox/x86_64-mlnx_msn3700-r0/ACS-MSN3700/pg_profile_lookup.ini +++ b/device/mellanox/x86_64-mlnx_msn3700-r0/ACS-MSN3700/pg_profile_lookup.ini @@ -1,22 +1,20 @@ -# speed cable size xon xoff threshold - 1000 5m 35840 18432 17408 0 - 10000 5m 36864 18432 18432 0 - 25000 5m 36864 18432 18432 0 - 40000 5m 36864 18432 18432 0 - 50000 5m 37888 18432 19456 0 - 100000 5m 38912 18432 20480 0 - 200000 5m 41984 18432 23552 0 - 1000 40m 36864 18432 18432 0 - 10000 40m 38912 18432 20480 0 - 25000 40m 41984 18432 23552 0 - 40000 40m 45056 18432 26624 0 - 50000 40m 47104 18432 28672 0 - 100000 40m 59392 18432 40960 0 - 200000 40m 81920 18432 63488 0 - 1000 300m 37888 18432 19456 0 - 10000 300m 53248 18432 34816 0 - 25000 300m 78848 18432 60416 0 - 40000 300m 104448 18432 86016 0 - 50000 300m 121856 18432 103424 0 - 100000 300m 206848 18432 188416 0 - 200000 300m 376832 18432 358400 0 +# PG lossless profiles. +# speed cable size xon xoff threshold + 10000 5m 52224 19456 32768 0 + 25000 5m 52224 19456 32768 0 + 40000 5m 53248 19456 33792 0 + 50000 5m 53248 19456 33792 0 + 100000 5m 53248 19456 33792 0 + 200000 5m 55296 19456 35840 0 + 10000 40m 53248 19456 33792 0 + 25000 40m 55296 19456 35840 0 + 40000 40m 57344 19456 37888 0 + 50000 40m 58368 19456 38912 0 + 100000 40m 63488 19456 44032 0 + 200000 40m 74752 19456 55296 0 + 10000 300m 60416 19456 40960 0 + 25000 300m 73728 19456 54272 0 + 40000 300m 86016 19456 66560 0 + 50000 300m 95232 19456 75776 0 + 100000 300m 137216 19456 117760 0 + 200000 300m 223232 19456 203776 0 diff --git a/device/mellanox/x86_64-mlnx_msn3800-r0/ACS-MSN3800/buffers_defaults_t0.j2 b/device/mellanox/x86_64-mlnx_msn3800-r0/ACS-MSN3800/buffers_defaults_t0.j2 index d69a0cc138..bd8e1c8bb7 100644 --- a/device/mellanox/x86_64-mlnx_msn3800-r0/ACS-MSN3800/buffers_defaults_t0.j2 +++ b/device/mellanox/x86_64-mlnx_msn3800-r0/ACS-MSN3800/buffers_defaults_t0.j2 @@ -1,8 +1,8 @@ {% set default_cable = '5m' %} -{% set ingress_lossless_pool_size = '28196784' %} -{% set ingress_lossy_pool_size = '28196784' %} -{% set egress_lossless_pool_size = '34340832' %} -{% set egress_lossy_pool_size = '28196784' %} +{% set ingress_lossless_pool_size = '13924352' %} +{% set ingress_lossy_pool_size = '13924352' %} +{% set egress_lossless_pool_size = '34287552' %} +{% set egress_lossy_pool_size = '13924352' %} {%- macro generate_port_lists(PORT_ALL) %} {# Generate list of ports #} @@ -38,7 +38,7 @@ "ingress_lossless_profile": { "pool":"[BUFFER_POOL|ingress_lossless_pool]", "size":"0", - "dynamic_th":"0" + "dynamic_th":"7" }, "ingress_lossy_profile": { "pool":"[BUFFER_POOL|ingress_lossy_pool]", @@ -52,8 +52,8 @@ }, "egress_lossy_profile": { "pool":"[BUFFER_POOL|egress_lossy_pool]", - "size":"4096", - "dynamic_th":"3" + "size":"9216", + "dynamic_th":"7" }, "q_lossy_profile": { "pool":"[BUFFER_POOL|egress_lossy_pool]", diff --git a/device/mellanox/x86_64-mlnx_msn3800-r0/ACS-MSN3800/buffers_defaults_t1.j2 b/device/mellanox/x86_64-mlnx_msn3800-r0/ACS-MSN3800/buffers_defaults_t1.j2 index 78d43455a4..6e7b6b3591 100644 --- a/device/mellanox/x86_64-mlnx_msn3800-r0/ACS-MSN3800/buffers_defaults_t1.j2 +++ b/device/mellanox/x86_64-mlnx_msn3800-r0/ACS-MSN3800/buffers_defaults_t1.j2 @@ -1,8 +1,8 @@ {% set default_cable = '5m' %} -{% set ingress_lossless_pool_size = '17891280' %} -{% set ingress_lossy_pool_size = '17891280' %} -{% set egress_lossless_pool_size = '34340832' %} -{% set egress_lossy_pool_size = '17891280' %} +{% set ingress_lossless_pool_size = '12457984' %} +{% set ingress_lossy_pool_size = '12457984' %} +{% set egress_lossless_pool_size = '34287552' %} +{% set egress_lossy_pool_size = '12457984' %} {%- macro generate_port_lists(PORT_ALL) %} {# Generate list of ports #} @@ -38,7 +38,7 @@ "ingress_lossless_profile": { "pool":"[BUFFER_POOL|ingress_lossless_pool]", "size":"0", - "dynamic_th":"0" + "dynamic_th":"7" }, "ingress_lossy_profile": { "pool":"[BUFFER_POOL|ingress_lossy_pool]", @@ -52,8 +52,8 @@ }, "egress_lossy_profile": { "pool":"[BUFFER_POOL|egress_lossy_pool]", - "size":"4096", - "dynamic_th":"3" + "size":"9216", + "dynamic_th":"7" }, "q_lossy_profile": { "pool":"[BUFFER_POOL|egress_lossy_pool]", diff --git a/device/mellanox/x86_64-mlnx_msn3800-r0/ACS-MSN3800/pg_profile_lookup.ini b/device/mellanox/x86_64-mlnx_msn3800-r0/ACS-MSN3800/pg_profile_lookup.ini index 7c28e4c0d5..320daa45d2 100644 --- a/device/mellanox/x86_64-mlnx_msn3800-r0/ACS-MSN3800/pg_profile_lookup.ini +++ b/device/mellanox/x86_64-mlnx_msn3800-r0/ACS-MSN3800/pg_profile_lookup.ini @@ -1,23 +1,17 @@ -# PG lossless profiles. -# speed cable size xon xoff threshold - 1000 5m 32768 18432 14336 0 - 10000 5m 34816 18432 16384 0 - 25000 5m 38912 18432 20480 0 - 40000 5m 41984 18432 23552 0 - 50000 5m 44032 18432 25600 0 - 100000 5m 55296 18432 36864 0 - 200000 5m 77824 18432 59392 0 - 1000 40m 33792 18432 15360 0 - 10000 40m 36864 18432 18432 0 - 25000 40m 43008 18432 24576 0 - 40000 40m 49152 18432 30720 0 - 50000 40m 53248 18432 34816 0 - 100000 40m 72704 18432 54272 0 - 200000 40m 112640 18432 94208 0 - 1000 300m 34816 18432 16384 0 - 10000 300m 50176 18432 31744 0 - 25000 300m 75776 18432 57344 0 - 40000 300m 101376 18432 82944 0 - 50000 300m 117760 18432 99328 0 - 100000 300m 202752 18432 184320 0 - 200000 300m 373760 18432 355328 0 +# PG lossless profiles. +# speed cable size xon xoff threshold + 10000 5m 54272 19456 34816 0 + 25000 5m 58368 19456 38912 0 + 40000 5m 61440 19456 41984 0 + 50000 5m 64512 19456 45056 0 + 100000 5m 75776 19456 56320 0 + 10000 40m 55296 19456 35840 0 + 25000 40m 60416 19456 40960 0 + 40000 40m 65536 19456 46080 0 + 50000 40m 69632 19456 50176 0 + 100000 40m 86016 19456 66560 0 + 10000 300m 63488 19456 44032 0 + 25000 300m 78848 19456 59392 0 + 40000 300m 95232 19456 75776 0 + 50000 300m 106496 19456 87040 0 + 100000 300m 159744 19456 140288 0 diff --git a/device/mellanox/x86_64-mlnx_msn4700-r0/ACS-MSN4700/buffers_defaults_t0.j2 b/device/mellanox/x86_64-mlnx_msn4700-r0/ACS-MSN4700/buffers_defaults_t0.j2 index b71e6b35fa..506107f477 100644 --- a/device/mellanox/x86_64-mlnx_msn4700-r0/ACS-MSN4700/buffers_defaults_t0.j2 +++ b/device/mellanox/x86_64-mlnx_msn4700-r0/ACS-MSN4700/buffers_defaults_t0.j2 @@ -1,8 +1,8 @@ {% set default_cable = '5m' %} -{% set ingress_lossless_pool_size = '56623104' %} -{% set ingress_lossy_pool_size = '56623104' %} +{% set ingress_lossless_pool_size = '26451968' %} +{% set ingress_lossy_pool_size = '26451968' %} {% set egress_lossless_pool_size = '60817392' %} -{% set egress_lossy_pool_size = '56623104' %} +{% set egress_lossy_pool_size = '26451968' %} {%- macro generate_port_lists(PORT_ALL) %} {# Generate list of ports #} @@ -38,7 +38,7 @@ "ingress_lossless_profile": { "pool":"[BUFFER_POOL|ingress_lossless_pool]", "size":"0", - "dynamic_th":"0" + "dynamic_th":"7" }, "ingress_lossy_profile": { "pool":"[BUFFER_POOL|ingress_lossy_pool]", @@ -52,8 +52,8 @@ }, "egress_lossy_profile": { "pool":"[BUFFER_POOL|egress_lossy_pool]", - "size":"4096", - "dynamic_th":"3" + "size":"9216", + "dynamic_th":"7" }, "q_lossy_profile": { "pool":"[BUFFER_POOL|egress_lossy_pool]", diff --git a/device/mellanox/x86_64-mlnx_msn4700-r0/ACS-MSN4700/buffers_defaults_t1.j2 b/device/mellanox/x86_64-mlnx_msn4700-r0/ACS-MSN4700/buffers_defaults_t1.j2 index 87e55d5a46..b025ea275b 100644 --- a/device/mellanox/x86_64-mlnx_msn4700-r0/ACS-MSN4700/buffers_defaults_t1.j2 +++ b/device/mellanox/x86_64-mlnx_msn4700-r0/ACS-MSN4700/buffers_defaults_t1.j2 @@ -1,8 +1,8 @@ {% set default_cable = '5m' %} -{% set ingress_lossless_pool_size = '36011952' %} -{% set ingress_lossy_pool_size = '36011952' %} +{% set ingress_lossless_pool_size = '20627456' %} +{% set ingress_lossy_pool_size = '20627456' %} {% set egress_lossless_pool_size = '60817392' %} -{% set egress_lossy_pool_size = '36011952' %} +{% set egress_lossy_pool_size = '20627456' %} {%- macro generate_port_lists(PORT_ALL) %} {# Generate list of ports #} @@ -38,7 +38,7 @@ "ingress_lossless_profile": { "pool":"[BUFFER_POOL|ingress_lossless_pool]", "size":"0", - "dynamic_th":"0" + "dynamic_th":"7" }, "ingress_lossy_profile": { "pool":"[BUFFER_POOL|ingress_lossy_pool]", @@ -52,8 +52,8 @@ }, "egress_lossy_profile": { "pool":"[BUFFER_POOL|egress_lossy_pool]", - "size":"4096", - "dynamic_th":"3" + "size":"9216", + "dynamic_th":"7" }, "q_lossy_profile": { "pool":"[BUFFER_POOL|egress_lossy_pool]", diff --git a/device/mellanox/x86_64-mlnx_msn4700-r0/ACS-MSN4700/pg_profile_lookup.ini b/device/mellanox/x86_64-mlnx_msn4700-r0/ACS-MSN4700/pg_profile_lookup.ini index 950cf94349..1fb3f9c328 100644 --- a/device/mellanox/x86_64-mlnx_msn4700-r0/ACS-MSN4700/pg_profile_lookup.ini +++ b/device/mellanox/x86_64-mlnx_msn4700-r0/ACS-MSN4700/pg_profile_lookup.ini @@ -1,25 +1,23 @@ -# speed cable size xon xoff threshold -1000 5m 32768 18432 14336 0 -10000 5m 32768 18432 14336 0 -25000 5m 33792 18432 15360 0 -40000 5m 33792 18432 15360 0 -50000 5m 33792 18432 15360 0 -100000 5m 35840 18432 17408 0 -200000 5m 37888 18432 19456 0 -400000 5m 43008 18432 24576 0 -1000 40m 32768 18432 14336 0 -10000 40m 34816 18432 16384 0 -25000 40m 37888 18432 19456 0 -40000 40m 40960 18432 22528 0 -50000 40m 43008 18432 24576 0 -100000 40m 53248 18432 34816 0 -200000 40m 72704 18432 54272 0 -400000 40m 112640 18432 94208 0 -1000 300m 34816 18432 16384 0 -10000 300m 48128 18432 29696 0 -25000 300m 70656 18432 52224 0 -40000 300m 93184 18432 74752 0 -50000 300m 108544 18432 90112 0 -100000 300m 183296 18432 164864 0 -200000 300m 333824 18432 315392 0 -400000 300m 634880 18432 616448 0 +# PG lossless profiles. +# speed cable size xon xoff threshold + 10000 5m 52224 19456 32768 0 + 25000 5m 52224 19456 32768 0 + 40000 5m 53248 19456 33792 0 + 50000 5m 53248 19456 33792 0 + 100000 5m 53248 19456 33792 0 + 200000 5m 55296 19456 35840 0 + 400000 5m 86016 37888 38912 0 + 10000 40m 53248 19456 33792 0 + 25000 40m 55296 19456 35840 0 + 40000 40m 57344 19456 37888 0 + 50000 40m 58368 19456 38912 0 + 100000 40m 63488 19456 44032 0 + 200000 40m 74752 19456 55296 0 + 400000 40m 124928 37888 77824 0 + 10000 300m 60416 19456 40960 0 + 25000 300m 73728 19456 54272 0 + 40000 300m 86016 19456 66560 0 + 50000 300m 95232 19456 75776 0 + 100000 300m 137216 19456 117760 0 + 200000 300m 223232 19456 203776 0 + 400000 300m 420864 37888 373760 0