/usr/src/linux-headers-5.15.0-181/tools/testing/selftests/drivers/net/mlxsw
Edit: /usr/src/linux-headers-5.15.0-181/tools/testing/selftests/drivers/net/mlxsw/sharedbuffer.sh (3912B)
#!/bin/bash
# SPDX-License-Identifier: GPL-2.0
ALL_TESTS="
port_pool_test
port_tc_ip_test
port_tc_arp_test
"
NUM_NETIFS=2
source ../../../net/forwarding/lib.sh
source ../../../net/forwarding/devlink_lib.sh
source mlxsw_lib.sh
SB_POOL_ING=0
SB_POOL_EGR_CPU=10
SB_ITC_CPU_IP=2
SB_ITC_CPU_ARP=2
SB_ITC=0
h1_create()
{
simple_if_init $h1 192.0.1.1/24
}
h1_destroy()
{
simple_if_fini $h1 192.0.1.1/24
}
h2_create()
{
simple_if_init $h2 192.0.1.2/24
}
h2_destroy()
{
simple_if_fini $h2 192.0.1.2/24
}
sb_occ_pool_check()
{
local dl_port=$1; shift
local pool=$1; shift
local exp_max_occ=$1
local max_occ
local err=0
max_occ=$(devlink sb -j occupancy show $dl_port \
| jq -e ".[][][\"pool\"][\"$pool\"][\"max\"]")
if [[ "$max_occ" -ne "$exp_max_occ" ]]; then
err=1
fi
echo $max_occ
return $err
}
sb_occ_itc_check()
{
local dl_port=$1; shift
local itc=$1; shift
local exp_max_occ=$1
local max_occ
local err=0
max_occ=$(devlink sb -j occupancy show $dl_port \
| jq -e ".[][][\"itc\"][\"$itc\"][\"max\"]")
if [[ "$max_occ" -ne "$exp_max_occ" ]]; then
err=1
fi
echo $max_occ
return $err
}
sb_occ_etc_check()
{
local dl_port=$1; shift
local etc=$1; shift
local exp_max_occ=$1; shift
local max_occ
local err=0
max_occ=$(devlink sb -j occupancy show $dl_port \
| jq -e ".[][][\"etc\"][\"$etc\"][\"max\"]")
if [[ "$max_occ" -ne "$exp_max_occ" ]]; then
err=1
fi
echo $max_occ
return $err
}
port_pool_test()
{
local exp_max_occ=288
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 \
-t ip -q
devlink sb occupancy snapshot $DEVLINK_DEV
RET=0
max_occ=$(sb_occ_pool_check $dl_port2 $SB_POOL_ING $exp_max_occ)
check_err $? "Expected iPool($SB_POOL_ING) max occupancy to be $exp_max_occ, but got $max_occ"
log_test "physical port's($h2) ingress pool"
RET=0
max_occ=$(sb_occ_pool_check $cpu_dl_port $SB_POOL_EGR_CPU $exp_max_occ)
check_err $? "Expected ePool($SB_POOL_EGR_CPU) max occupancy to be $exp_max_occ, but got $max_occ"
log_test "CPU port's egress pool"
}
port_tc_ip_test()
{
local exp_max_occ=288
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 \
-t ip -q
devlink sb occupancy snapshot $DEVLINK_DEV
RET=0
max_occ=$(sb_occ_itc_check $dl_port2 $SB_ITC $exp_max_occ)
check_err $? "Expected ingress TC($SB_ITC) max occupancy to be $exp_max_occ, but got $max_occ"
log_test "physical port's($h2) ingress TC - IP packet"
RET=0
max_occ=$(sb_occ_etc_check $cpu_dl_port $SB_ITC_CPU_IP $exp_max_occ)
check_err $? "Expected egress TC($SB_ITC_CPU_IP) max occupancy to be $exp_max_occ, but got $max_occ"
log_test "CPU port's egress TC - IP packet"
}
port_tc_arp_test()
{
local exp_max_occ=96
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
devlink sb occupancy snapshot $DEVLINK_DEV
RET=0
max_occ=$(sb_occ_itc_check $dl_port2 $SB_ITC $exp_max_occ)
check_err $? "Expected ingress TC($SB_ITC) max occupancy to be $exp_max_occ, but got $max_occ"
log_test "physical port's($h2) ingress TC - ARP packet"
RET=0
max_occ=$(sb_occ_etc_check $cpu_dl_port $SB_ITC_CPU_ARP $exp_max_occ)
check_err $? "Expected egress TC($SB_ITC_IP2ME) max occupancy to be $exp_max_occ, but got $max_occ"
log_test "CPU port's egress TC - ARP packet"
}
setup_prepare()
{
h1=${NETIFS[p1]}
h2=${NETIFS[p2]}
h1mac=$(mac_get $h1)
h2mac=$(mac_get $h2)
dl_port1=$(devlink_port_by_netdev $h1)
dl_port2=$(devlink_port_by_netdev $h2)
cpu_dl_port=$(devlink_cpu_port_get)
vrf_prepare
h1_create
h2_create
}
cleanup()
{
pre_cleanup
h2_destroy
h1_destroy
vrf_cleanup
}
trap cleanup EXIT
setup_prepare
setup_wait
tests_run
exit $EXIT_STATUS