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selftests: mlxsw: Fix test failure on Spectrum-4

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Remove assumptions about shared buffer cell size and instead query the
cell size from devlink. Adjust the test to send small packets that fit
inside a single cell.

Tested on Spectrum-{1,2,3,4}.

Fixes: 4735402173 ("mlxsw: spectrum: Extend to support Spectrum-4 ASIC")
Signed-off-by: Ido Schimmel <idosch@nvidia.com>
Reviewed-by: Petr Machata <petrm@nvidia.com>
Signed-off-by: Petr Machata <petrm@nvidia.com>
Reviewed-by: Simon Horman <horms@kernel.org>
Link: https://lore.kernel.org/r/f7dfbf3c4d1cb23838d9eb99bab09afaa320c4ca.1692268427.git.petrm@nvidia.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
This commit is contained in:
Ido Schimmel 2023-08-17 15:58:25 +02:00 committed by Jakub Kicinski
parent 348c976be0
commit f520489e99
1 changed files with 6 additions and 10 deletions
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16
tools/testing/selftests/drivers/net/mlxsw/sharedbuffer.sh
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@ -98,12 +98,12 @@ sb_occ_etc_check()
port_pool_test()
{
local exp_max_occ=288
local exp_max_occ=$(devlink_cell_size_get)
local max_occ
devlink sb occupancy clearmax $DEVLINK_DEV
$MZ $h1 -c 1 -p 160 -a $h1mac -b $h2mac -A 192.0.1.1 -B 192.0.1.2 \
$MZ $h1 -c 1 -p 10 -a $h1mac -b $h2mac -A 192.0.1.1 -B 192.0.1.2 \
-t ip -q
devlink sb occupancy snapshot $DEVLINK_DEV
@ -126,12 +126,12 @@ port_pool_test()
port_tc_ip_test()
{
local exp_max_occ=288
local exp_max_occ=$(devlink_cell_size_get)
local max_occ
devlink sb occupancy clearmax $DEVLINK_DEV
$MZ $h1 -c 1 -p 160 -a $h1mac -b $h2mac -A 192.0.1.1 -B 192.0.1.2 \
$MZ $h1 -c 1 -p 10 -a $h1mac -b $h2mac -A 192.0.1.1 -B 192.0.1.2 \
-t ip -q
devlink sb occupancy snapshot $DEVLINK_DEV
@ -154,16 +154,12 @@ port_tc_ip_test()
port_tc_arp_test()
{
local exp_max_occ=96
local exp_max_occ=$(devlink_cell_size_get)
local max_occ
if [[ $MLXSW_CHIP != "mlxsw_spectrum" ]]; then
exp_max_occ=144
fi
devlink sb occupancy clearmax $DEVLINK_DEV
$MZ $h1 -c 1 -p 160 -a $h1mac -A 192.0.1.1 -t arp -q
$MZ $h1 -c 1 -p 10 -a $h1mac -A 192.0.1.1 -t arp -q
devlink sb occupancy snapshot $DEVLINK_DEV