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Linux kernel mirror (for testing) git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
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# Kselftest framework requirement - SKIP code is 4.ksft_skip=4
############################################################################### Defines
if [[ ! -v DEVLINK_DEV ]]; then DEVLINK_DEV=$(devlink port show "${NETIFS[p1]:-$NETIF_NO_CABLE}" -j \ | jq -r '.port | keys[]' | cut -d/ -f-2) if [ -z "$DEVLINK_DEV" ]; then echo "SKIP: ${NETIFS[p1]} has no devlink device registered for it" exit $ksft_skip fi if [[ "$(echo $DEVLINK_DEV | grep -c pci)" -eq 0 ]]; then echo "SKIP: devlink device's bus is not PCI" exit $ksft_skip fi
DEVLINK_VIDDID=$(lspci -s $(echo $DEVLINK_DEV | cut -d"/" -f2) \ -n | cut -d" " -f3)elif [[ ! -z "$DEVLINK_DEV" ]]; then devlink dev show $DEVLINK_DEV &> /dev/null if [ $? -ne 0 ]; then echo "SKIP: devlink device \"$DEVLINK_DEV\" not found" exit $ksft_skip fifi
############################################################################### Sanity checks
devlink help 2>&1 | grep resource &> /dev/nullif [ $? -ne 0 ]; then echo "SKIP: iproute2 too old, missing devlink resource support" exit $ksft_skipfi
devlink help 2>&1 | grep trap &> /dev/nullif [ $? -ne 0 ]; then echo "SKIP: iproute2 too old, missing devlink trap support" exit $ksft_skipfi
devlink dev help 2>&1 | grep info &> /dev/nullif [ $? -ne 0 ]; then echo "SKIP: iproute2 too old, missing devlink dev info support" exit $ksft_skipfi
############################################################################### Devlink helpers
devlink_resource_names_to_path(){ local resource local path=""
for resource in "${@}"; do if [ "$path" == "" ]; then path="$resource" else path="${path}/$resource" fi done
echo "$path"}
devlink_resource_get(){ local name=$1 local resource_name=.[][\"$DEVLINK_DEV\"]
resource_name="$resource_name | .[] | select (.name == \"$name\")"
shift for resource in "${@}"; do resource_name="${resource_name} | .[\"resources\"][] | \ select (.name == \"$resource\")" done
devlink -j resource show "$DEVLINK_DEV" | jq "$resource_name"}
devlink_resource_size_get(){ local size=$(devlink_resource_get "$@" | jq '.["size_new"]')
if [ "$size" == "null" ]; then devlink_resource_get "$@" | jq '.["size"]' else echo "$size" fi}
devlink_resource_size_set(){ local new_size=$1 local path
shift path=$(devlink_resource_names_to_path "$@") devlink resource set "$DEVLINK_DEV" path "$path" size "$new_size" check_err $? "Failed setting path $path to size $size"}
devlink_resource_occ_get(){ devlink_resource_get "$@" | jq '.["occ"]'}
devlink_reload(){ local still_pending
devlink dev reload "$DEVLINK_DEV" &> /dev/null check_err $? "Failed reload"
still_pending=$(devlink resource show "$DEVLINK_DEV" | \ grep -c "size_new") check_err $still_pending "Failed reload - There are still unset sizes"
udevadm settle}
declare -A DEVLINK_ORIG
# Changing pool type from static to dynamic causes reinterpretation of threshold# values. They therefore need to be saved before pool type is changed, then the# pool type can be changed, and then the new values need to be set up. Therefore# instead of saving the current state implicitly in the _set call, provide# functions for all three primitives: save, set, and restore.
devlink_port_pool_threshold(){ local port=$1; shift local pool=$1; shift
devlink sb port pool show $port pool $pool -j \ | jq '.port_pool."'"$port"'"[].threshold'}
devlink_port_pool_th_save(){ local port=$1; shift local pool=$1; shift local key="port_pool($port,$pool).threshold"
DEVLINK_ORIG[$key]=$(devlink_port_pool_threshold $port $pool)}
devlink_port_pool_th_set(){ local port=$1; shift local pool=$1; shift local th=$1; shift
devlink sb port pool set $port pool $pool th $th}
devlink_port_pool_th_restore(){ local port=$1; shift local pool=$1; shift local key="port_pool($port,$pool).threshold" local -a orig=(${DEVLINK_ORIG[$key]})
if [[ -z $orig ]]; then echo "WARNING: Mismatched devlink_port_pool_th_restore" else devlink sb port pool set $port pool $pool th $orig fi}
devlink_pool_size_thtype(){ local pool=$1; shift
devlink sb pool show "$DEVLINK_DEV" pool $pool -j \ | jq -r '.pool[][] | (.size, .thtype)'}
devlink_pool_size_thtype_save(){ local pool=$1; shift local key="pool($pool).size_thtype"
DEVLINK_ORIG[$key]=$(devlink_pool_size_thtype $pool)}
devlink_pool_size_thtype_set(){ local pool=$1; shift local thtype=$1; shift local size=$1; shift
devlink sb pool set "$DEVLINK_DEV" pool $pool size $size thtype $thtype}
devlink_pool_size_thtype_restore(){ local pool=$1; shift local key="pool($pool).size_thtype" local -a orig=(${DEVLINK_ORIG[$key]})
if [[ -z ${orig[0]} ]]; then echo "WARNING: Mismatched devlink_pool_size_thtype_restore" else devlink sb pool set "$DEVLINK_DEV" pool $pool \ size ${orig[0]} thtype ${orig[1]} fi}
devlink_tc_bind_pool_th(){ local port=$1; shift local tc=$1; shift local dir=$1; shift
devlink sb tc bind show $port tc $tc type $dir -j \ | jq -r '.tc_bind[][] | (.pool, .threshold)'}
devlink_tc_bind_pool_th_save(){ local port=$1; shift local tc=$1; shift local dir=$1; shift local key="tc_bind($port,$dir,$tc).pool_th"
DEVLINK_ORIG[$key]=$(devlink_tc_bind_pool_th $port $tc $dir)}
devlink_tc_bind_pool_th_set(){ local port=$1; shift local tc=$1; shift local dir=$1; shift local pool=$1; shift local th=$1; shift
devlink sb tc bind set $port tc $tc type $dir pool $pool th $th}
devlink_tc_bind_pool_th_restore(){ local port=$1; shift local tc=$1; shift local dir=$1; shift local key="tc_bind($port,$dir,$tc).pool_th" local -a orig=(${DEVLINK_ORIG[$key]})
if [[ -z ${orig[0]} ]]; then echo "WARNING: Mismatched devlink_tc_bind_pool_th_restore" else devlink sb tc bind set $port tc $tc type $dir \ pool ${orig[0]} th ${orig[1]} fi}
devlink_traps_num_get(){ devlink -j trap | jq '.[]["'$DEVLINK_DEV'"] | length'}
devlink_traps_get(){ devlink -j trap | jq -r '.[]["'$DEVLINK_DEV'"][].name'}
devlink_trap_type_get(){ local trap_name=$1; shift
devlink -j trap show $DEVLINK_DEV trap $trap_name \ | jq -r '.[][][].type'}
devlink_trap_action_set(){ local trap_name=$1; shift local action=$1; shift
# Pipe output to /dev/null to avoid expected warnings. devlink trap set $DEVLINK_DEV trap $trap_name \ action $action &> /dev/null}
devlink_trap_action_get(){ local trap_name=$1; shift
devlink -j trap show $DEVLINK_DEV trap $trap_name \ | jq -r '.[][][].action'}
devlink_trap_group_get(){ devlink -j trap show $DEVLINK_DEV trap $trap_name \ | jq -r '.[][][].group'}
devlink_trap_metadata_test(){ local trap_name=$1; shift local metadata=$1; shift
devlink -jv trap show $DEVLINK_DEV trap $trap_name \ | jq -e '.[][][].metadata | contains(["'$metadata'"])' \ &> /dev/null}
devlink_trap_rx_packets_get(){ local trap_name=$1; shift
devlink -js trap show $DEVLINK_DEV trap $trap_name \ | jq '.[][][]["stats"]["rx"]["packets"]'}
devlink_trap_rx_bytes_get(){ local trap_name=$1; shift
devlink -js trap show $DEVLINK_DEV trap $trap_name \ | jq '.[][][]["stats"]["rx"]["bytes"]'}
devlink_trap_drop_packets_get(){ local trap_name=$1; shift
devlink -js trap show $DEVLINK_DEV trap $trap_name \ | jq '.[][][]["stats"]["rx"]["dropped"]'}
devlink_trap_stats_idle_test(){ local trap_name=$1; shift local t0_packets t0_bytes local t1_packets t1_bytes
t0_packets=$(devlink_trap_rx_packets_get $trap_name) t0_bytes=$(devlink_trap_rx_bytes_get $trap_name)
sleep 1
t1_packets=$(devlink_trap_rx_packets_get $trap_name) t1_bytes=$(devlink_trap_rx_bytes_get $trap_name)
if [[ $t0_packets -eq $t1_packets && $t0_bytes -eq $t1_bytes ]]; then return 0 else return 1 fi}
devlink_trap_drop_stats_idle_test(){ local trap_name=$1; shift local t0_packets t0_bytes
t0_packets=$(devlink_trap_drop_packets_get $trap_name)
sleep 1
t1_packets=$(devlink_trap_drop_packets_get $trap_name)
if [[ $t0_packets -eq $t1_packets ]]; then return 0 else return 1 fi}
devlink_traps_enable_all(){ local trap_name
for trap_name in $(devlink_traps_get); do devlink_trap_action_set $trap_name "trap" done}
devlink_traps_disable_all(){ for trap_name in $(devlink_traps_get); do devlink_trap_action_set $trap_name "drop" done}
devlink_trap_groups_get(){ devlink -j trap group | jq -r '.[]["'$DEVLINK_DEV'"][].name'}
devlink_trap_group_action_set(){ local group_name=$1; shift local action=$1; shift
# Pipe output to /dev/null to avoid expected warnings. devlink trap group set $DEVLINK_DEV group $group_name action $action \ &> /dev/null}
devlink_trap_group_rx_packets_get(){ local group_name=$1; shift
devlink -js trap group show $DEVLINK_DEV group $group_name \ | jq '.[][][]["stats"]["rx"]["packets"]'}
devlink_trap_group_rx_bytes_get(){ local group_name=$1; shift
devlink -js trap group show $DEVLINK_DEV group $group_name \ | jq '.[][][]["stats"]["rx"]["bytes"]'}
devlink_trap_group_stats_idle_test(){ local group_name=$1; shift local t0_packets t0_bytes local t1_packets t1_bytes
t0_packets=$(devlink_trap_group_rx_packets_get $group_name) t0_bytes=$(devlink_trap_group_rx_bytes_get $group_name)
sleep 1
t1_packets=$(devlink_trap_group_rx_packets_get $group_name) t1_bytes=$(devlink_trap_group_rx_bytes_get $group_name)
if [[ $t0_packets -eq $t1_packets && $t0_bytes -eq $t1_bytes ]]; then return 0 else return 1 fi}
devlink_trap_exception_test(){ local trap_name=$1; shift local group_name
group_name=$(devlink_trap_group_get $trap_name)
devlink_trap_stats_idle_test $trap_name check_fail $? "Trap stats idle when packets should have been trapped"
devlink_trap_group_stats_idle_test $group_name check_fail $? "Trap group idle when packets should have been trapped"}
devlink_trap_drop_test(){ local trap_name=$1; shift local dev=$1; shift local handle=$1; shift local group_name
group_name=$(devlink_trap_group_get $trap_name)
# This is the common part of all the tests. It checks that stats are # initially idle, then non-idle after changing the trap action and # finally idle again. It also makes sure the packets are dropped and # never forwarded. devlink_trap_stats_idle_test $trap_name check_err $? "Trap stats not idle with initial drop action" devlink_trap_group_stats_idle_test $group_name check_err $? "Trap group stats not idle with initial drop action"
devlink_trap_action_set $trap_name "trap" devlink_trap_stats_idle_test $trap_name check_fail $? "Trap stats idle after setting action to trap" devlink_trap_group_stats_idle_test $group_name check_fail $? "Trap group stats idle after setting action to trap"
devlink_trap_action_set $trap_name "drop"
devlink_trap_stats_idle_test $trap_name check_err $? "Trap stats not idle after setting action to drop" devlink_trap_group_stats_idle_test $group_name check_err $? "Trap group stats not idle after setting action to drop"
tc_check_packets "dev $dev egress" $handle 0 check_err $? "Packets were not dropped"}
devlink_trap_drop_cleanup(){ local mz_pid=$1; shift local dev=$1; shift local proto=$1; shift local pref=$1; shift local handle=$1; shift
kill_process $mz_pid tc filter del dev $dev egress protocol $proto pref $pref handle $handle flower}
devlink_trap_stats_check(){ local trap_name=$1; shift local send_one="$@" local t0_packets local t1_packets
t0_packets=$(devlink_trap_rx_packets_get $trap_name)
$send_one && sleep 1
t1_packets=$(devlink_trap_rx_packets_get $trap_name)
[[ $t1_packets -ne $t0_packets ]]}
devlink_trap_stats_test(){ local test_name=$1; shift
RET=0
devlink_trap_stats_check "$@" check_err $? "Trap stats did not increase"
log_test "$test_name"}
devlink_trap_policers_num_get(){ devlink -j -p trap policer show | jq '.[]["'$DEVLINK_DEV'"] | length'}
devlink_trap_policer_rate_get(){ local policer_id=$1; shift
devlink -j -p trap policer show $DEVLINK_DEV policer $policer_id \ | jq '.[][][]["rate"]'}
devlink_trap_policer_burst_get(){ local policer_id=$1; shift
devlink -j -p trap policer show $DEVLINK_DEV policer $policer_id \ | jq '.[][][]["burst"]'}
devlink_trap_policer_rx_dropped_get(){ local policer_id=$1; shift
devlink -j -p -s trap policer show $DEVLINK_DEV policer $policer_id \ | jq '.[][][]["stats"]["rx"]["dropped"]'}
devlink_trap_group_policer_get(){ local group_name=$1; shift
devlink -j -p trap group show $DEVLINK_DEV group $group_name \ | jq '.[][][]["policer"]'}
devlink_port_by_netdev(){ local if_name=$1
devlink -j port show $if_name | jq -e '.[] | keys' | jq -r '.[]'}
devlink_cpu_port_get(){ local cpu_dl_port_num=$(devlink port list | grep "$DEVLINK_DEV" | grep cpu | cut -d/ -f3 | cut -d: -f1 | sed -n '1p')
echo "$DEVLINK_DEV/$cpu_dl_port_num"}
devlink_cell_size_get(){ devlink sb pool show "$DEVLINK_DEV" pool 0 -j \ | jq '.pool[][].cell_size'}
devlink_pool_size_get(){ devlink sb show "$DEVLINK_DEV" -j | jq '.[][][]["size"]'}