Commit e1fad951 authored by Jiri Pirko's avatar Jiri Pirko Committed by David S. Miller

selftests: mlxsw: Introduce devlink line card provision/unprovision/activation tests

Introduce basic line card manipulation which consists of provisioning,
unprovisioning and activation of a line card.
Signed-off-by: default avatarJiri Pirko <jiri@nvidia.com>
Signed-off-by: default avatarIdo Schimmel <idosch@nvidia.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 6445eef0
#!/bin/bash
# SPDX-License-Identifier: GPL-2.0
#
# In addition to the common variables, user might use:
# LC_SLOT - If not set, all probed line cards are going to be tested,
# with an exception of the "activation_16x100G_test".
# It set, only the selected line card is going to be used
# for tests, including "activation_16x100G_test".
lib_dir=$(dirname $0)/../../../net/forwarding
ALL_TESTS="
unprovision_test
provision_test
activation_16x100G_test
"
NUM_NETIFS=0
source $lib_dir/lib.sh
source $lib_dir/devlink_lib.sh
until_lc_state_is()
{
local state=$1; shift
local current=$("$@")
echo "$current"
[ "$current" == "$state" ]
}
until_lc_state_is_not()
{
! until_lc_state_is "$@"
}
lc_state_get()
{
local lc=$1
devlink lc show $DEVLINK_DEV lc $lc -j | jq -e -r ".[][][].state"
}
lc_wait_until_state_changes()
{
local lc=$1
local state=$2
local timeout=$3 # ms
busywait "$timeout" until_lc_state_is_not "$state" lc_state_get "$lc"
}
lc_wait_until_state_becomes()
{
local lc=$1
local state=$2
local timeout=$3 # ms
busywait "$timeout" until_lc_state_is "$state" lc_state_get "$lc"
}
until_lc_port_count_is()
{
local port_count=$1; shift
local current=$("$@")
echo "$current"
[ $current == $port_count ]
}
lc_port_count_get()
{
local lc=$1
devlink port -j | jq -e -r ".[][] | select(.lc==$lc) | .port" | wc -l
}
lc_wait_until_port_count_is()
{
local lc=$1
local port_count=$2
local timeout=$3 # ms
busywait "$timeout" until_lc_port_count_is "$port_count" lc_port_count_get "$lc"
}
PROV_UNPROV_TIMEOUT=8000 # ms
POST_PROV_ACT_TIMEOUT=2000 # ms
PROV_PORTS_INSTANTIATION_TIMEOUT=15000 # ms
unprovision_one()
{
local lc=$1
local state
state=$(lc_state_get $lc)
check_err $? "Failed to get state of linecard $lc"
if [[ "$state" == "unprovisioned" ]]; then
return
fi
log_info "Unprovisioning linecard $lc"
devlink lc set $DEVLINK_DEV lc $lc notype
check_err $? "Failed to trigger linecard $lc unprovisioning"
state=$(lc_wait_until_state_changes $lc "unprovisioning" \
$PROV_UNPROV_TIMEOUT)
check_err $? "Failed to unprovision linecard $lc (timeout)"
[ "$state" == "unprovisioned" ]
check_err $? "Failed to unprovision linecard $lc (state=$state)"
}
provision_one()
{
local lc=$1
local type=$2
local state
log_info "Provisioning linecard $lc"
devlink lc set $DEVLINK_DEV lc $lc type $type
check_err $? "Failed trigger linecard $lc provisioning"
state=$(lc_wait_until_state_changes $lc "provisioning" \
$PROV_UNPROV_TIMEOUT)
check_err $? "Failed to provision linecard $lc (timeout)"
[ "$state" == "provisioned" ] || [ "$state" == "active" ]
check_err $? "Failed to provision linecard $lc (state=$state)"
provisioned_type=$(devlink lc show $DEVLINK_DEV lc $lc -j | jq -e -r ".[][][].type")
[ "$provisioned_type" == "$type" ]
check_err $? "Wrong provision type returned for linecard $lc (got \"$provisioned_type\", expected \"$type\")"
# Wait for possible activation to make sure the state
# won't change after return from this function.
state=$(lc_wait_until_state_becomes $lc "active" \
$POST_PROV_ACT_TIMEOUT)
}
unprovision_test()
{
RET=0
local lc
lc=$LC_SLOT
unprovision_one $lc
log_test "Unprovision"
}
LC_16X100G_TYPE="16x100G"
LC_16X100G_PORT_COUNT=16
supported_types_check()
{
local lc=$1
local supported_types_count
local type_index
local lc_16x100_found=false
supported_types_count=$(devlink lc show $DEVLINK_DEV lc $lc -j | \
jq -e -r ".[][][].supported_types | length")
[ $supported_types_count != 0 ]
check_err $? "No supported types found for linecard $lc"
for (( type_index=0; type_index<$supported_types_count; type_index++ ))
do
type=$(devlink lc show $DEVLINK_DEV lc $lc -j | \
jq -e -r ".[][][].supported_types[$type_index]")
if [[ "$type" == "$LC_16X100G_TYPE" ]]; then
lc_16x100_found=true
break
fi
done
[ $lc_16x100_found = true ]
check_err $? "16X100G not found between supported types of linecard $lc"
}
ports_check()
{
local lc=$1
local expected_port_count=$2
local port_count
port_count=$(lc_wait_until_port_count_is $lc $expected_port_count \
$PROV_PORTS_INSTANTIATION_TIMEOUT)
[ $port_count != 0 ]
check_err $? "No port associated with linecard $lc"
[ $port_count == $expected_port_count ]
check_err $? "Unexpected port count linecard $lc (got $port_count, expected $expected_port_count)"
}
provision_test()
{
RET=0
local lc
local type
local state
lc=$LC_SLOT
supported_types_check $lc
state=$(lc_state_get $lc)
check_err $? "Failed to get state of linecard $lc"
if [[ "$state" != "unprovisioned" ]]; then
unprovision_one $lc
fi
provision_one $lc $LC_16X100G_TYPE
ports_check $lc $LC_16X100G_PORT_COUNT
log_test "Provision"
}
ACTIVATION_TIMEOUT=20000 # ms
interface_check()
{
ip link set $h1 up
ip link set $h2 up
ifaces_upped=true
setup_wait
}
activation_16x100G_test()
{
RET=0
local lc
local type
local state
lc=$LC_SLOT
type=$LC_16X100G_TYPE
unprovision_one $lc
provision_one $lc $type
state=$(lc_wait_until_state_becomes $lc "active" \
$ACTIVATION_TIMEOUT)
check_err $? "Failed to get linecard $lc activated (timeout)"
interface_check
log_test "Activation 16x100G"
}
setup_prepare()
{
local lc_num=$(devlink lc show -j | jq -e -r ".[][\"$DEVLINK_DEV\"] |length")
if [[ $? -ne 0 ]] || [[ $lc_num -eq 0 ]]; then
echo "SKIP: No linecard support found"
exit $ksft_skip
fi
if [ -z "$LC_SLOT" ]; then
echo "SKIP: \"LC_SLOT\" variable not provided"
exit $ksft_skip
fi
# Interfaces are not present during the script start,
# that's why we define NUM_NETIFS here so dummy
# implicit veth pairs are not created.
NUM_NETIFS=2
h1=${NETIFS[p1]}
h2=${NETIFS[p2]}
ifaces_upped=false
}
cleanup()
{
if [ "$ifaces_upped" = true ] ; then
ip link set $h1 down
ip link set $h2 down
fi
}
trap cleanup EXIT
setup_prepare
tests_run
exit $EXIT_STATUS
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