599 lines
13 KiB
Bash
599 lines
13 KiB
Bash
#!/bin/bash
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# SPDX-License-Identifier: GPL-2.0
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# Kselftest framework requirement - SKIP code is 4.
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ksft_skip=4
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##############################################################################
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# Defines
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if [[ ! -v DEVLINK_DEV ]]; then
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DEVLINK_DEV=$(devlink port show "${NETIFS[p1]:-$NETIF_NO_CABLE}" -j \
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| jq -r '.port | keys[]' | cut -d/ -f-2)
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if [ -z "$DEVLINK_DEV" ]; then
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echo "SKIP: ${NETIFS[p1]} has no devlink device registered for it"
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exit $ksft_skip
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fi
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if [[ "$(echo $DEVLINK_DEV | grep -c pci)" -eq 0 ]]; then
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echo "SKIP: devlink device's bus is not PCI"
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exit $ksft_skip
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fi
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DEVLINK_VIDDID=$(lspci -s $(echo $DEVLINK_DEV | cut -d"/" -f2) \
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-n | cut -d" " -f3)
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elif [[ ! -z "$DEVLINK_DEV" ]]; then
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devlink dev show $DEVLINK_DEV &> /dev/null
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if [ $? -ne 0 ]; then
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echo "SKIP: devlink device \"$DEVLINK_DEV\" not found"
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exit $ksft_skip
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fi
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fi
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##############################################################################
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# Sanity checks
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devlink help 2>&1 | grep resource &> /dev/null
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if [ $? -ne 0 ]; then
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echo "SKIP: iproute2 too old, missing devlink resource support"
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exit $ksft_skip
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fi
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devlink help 2>&1 | grep trap &> /dev/null
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if [ $? -ne 0 ]; then
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echo "SKIP: iproute2 too old, missing devlink trap support"
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exit $ksft_skip
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fi
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devlink dev help 2>&1 | grep info &> /dev/null
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if [ $? -ne 0 ]; then
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echo "SKIP: iproute2 too old, missing devlink dev info support"
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exit $ksft_skip
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fi
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##############################################################################
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# Devlink helpers
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devlink_resource_names_to_path()
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{
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local resource
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local path=""
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for resource in "${@}"; do
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if [ "$path" == "" ]; then
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path="$resource"
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else
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path="${path}/$resource"
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fi
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done
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echo "$path"
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}
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devlink_resource_get()
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{
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local name=$1
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local resource_name=.[][\"$DEVLINK_DEV\"]
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resource_name="$resource_name | .[] | select (.name == \"$name\")"
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shift
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for resource in "${@}"; do
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resource_name="${resource_name} | .[\"resources\"][] | \
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select (.name == \"$resource\")"
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done
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devlink -j resource show "$DEVLINK_DEV" | jq "$resource_name"
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}
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devlink_resource_size_get()
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{
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local size=$(devlink_resource_get "$@" | jq '.["size_new"]')
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if [ "$size" == "null" ]; then
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devlink_resource_get "$@" | jq '.["size"]'
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else
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echo "$size"
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fi
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}
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devlink_resource_size_set()
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{
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local new_size=$1
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local path
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shift
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path=$(devlink_resource_names_to_path "$@")
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devlink resource set "$DEVLINK_DEV" path "$path" size "$new_size"
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check_err $? "Failed setting path $path to size $size"
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}
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devlink_resource_occ_get()
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{
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devlink_resource_get "$@" | jq '.["occ"]'
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}
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devlink_reload()
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{
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local still_pending
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devlink dev reload "$DEVLINK_DEV" &> /dev/null
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check_err $? "Failed reload"
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still_pending=$(devlink resource show "$DEVLINK_DEV" | \
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grep -c "size_new")
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check_err $still_pending "Failed reload - There are still unset sizes"
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udevadm settle
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}
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declare -A DEVLINK_ORIG
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# Changing pool type from static to dynamic causes reinterpretation of threshold
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# values. They therefore need to be saved before pool type is changed, then the
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# pool type can be changed, and then the new values need to be set up. Therefore
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# instead of saving the current state implicitly in the _set call, provide
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# functions for all three primitives: save, set, and restore.
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devlink_port_pool_threshold()
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{
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local port=$1; shift
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local pool=$1; shift
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devlink sb port pool show $port pool $pool -j \
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| jq '.port_pool."'"$port"'"[].threshold'
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}
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devlink_port_pool_th_save()
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{
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local port=$1; shift
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local pool=$1; shift
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local key="port_pool($port,$pool).threshold"
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DEVLINK_ORIG[$key]=$(devlink_port_pool_threshold $port $pool)
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}
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devlink_port_pool_th_set()
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{
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local port=$1; shift
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local pool=$1; shift
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local th=$1; shift
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devlink sb port pool set $port pool $pool th $th
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}
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devlink_port_pool_th_restore()
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{
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local port=$1; shift
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local pool=$1; shift
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local key="port_pool($port,$pool).threshold"
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local -a orig=(${DEVLINK_ORIG[$key]})
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if [[ -z $orig ]]; then
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echo "WARNING: Mismatched devlink_port_pool_th_restore"
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else
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devlink sb port pool set $port pool $pool th $orig
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fi
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}
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devlink_pool_size_thtype()
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{
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local pool=$1; shift
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devlink sb pool show "$DEVLINK_DEV" pool $pool -j \
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| jq -r '.pool[][] | (.size, .thtype)'
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}
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devlink_pool_size_thtype_save()
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{
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local pool=$1; shift
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local key="pool($pool).size_thtype"
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DEVLINK_ORIG[$key]=$(devlink_pool_size_thtype $pool)
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}
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devlink_pool_size_thtype_set()
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{
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local pool=$1; shift
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local thtype=$1; shift
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local size=$1; shift
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devlink sb pool set "$DEVLINK_DEV" pool $pool size $size thtype $thtype
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}
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devlink_pool_size_thtype_restore()
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{
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local pool=$1; shift
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local key="pool($pool).size_thtype"
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local -a orig=(${DEVLINK_ORIG[$key]})
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if [[ -z ${orig[0]} ]]; then
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echo "WARNING: Mismatched devlink_pool_size_thtype_restore"
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else
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devlink sb pool set "$DEVLINK_DEV" pool $pool \
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size ${orig[0]} thtype ${orig[1]}
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fi
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}
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devlink_tc_bind_pool_th()
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{
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local port=$1; shift
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local tc=$1; shift
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local dir=$1; shift
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devlink sb tc bind show $port tc $tc type $dir -j \
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| jq -r '.tc_bind[][] | (.pool, .threshold)'
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}
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devlink_tc_bind_pool_th_save()
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{
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local port=$1; shift
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local tc=$1; shift
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local dir=$1; shift
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local key="tc_bind($port,$dir,$tc).pool_th"
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DEVLINK_ORIG[$key]=$(devlink_tc_bind_pool_th $port $tc $dir)
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}
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devlink_tc_bind_pool_th_set()
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{
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local port=$1; shift
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local tc=$1; shift
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local dir=$1; shift
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local pool=$1; shift
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local th=$1; shift
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devlink sb tc bind set $port tc $tc type $dir pool $pool th $th
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}
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devlink_tc_bind_pool_th_restore()
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{
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local port=$1; shift
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local tc=$1; shift
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local dir=$1; shift
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local key="tc_bind($port,$dir,$tc).pool_th"
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local -a orig=(${DEVLINK_ORIG[$key]})
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if [[ -z ${orig[0]} ]]; then
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echo "WARNING: Mismatched devlink_tc_bind_pool_th_restore"
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else
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devlink sb tc bind set $port tc $tc type $dir \
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pool ${orig[0]} th ${orig[1]}
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fi
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}
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devlink_traps_num_get()
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{
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devlink -j trap | jq '.[]["'$DEVLINK_DEV'"] | length'
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}
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devlink_traps_get()
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{
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devlink -j trap | jq -r '.[]["'$DEVLINK_DEV'"][].name'
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}
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devlink_trap_type_get()
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{
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local trap_name=$1; shift
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devlink -j trap show $DEVLINK_DEV trap $trap_name \
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| jq -r '.[][][].type'
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}
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devlink_trap_action_set()
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{
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local trap_name=$1; shift
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local action=$1; shift
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# Pipe output to /dev/null to avoid expected warnings.
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devlink trap set $DEVLINK_DEV trap $trap_name \
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action $action &> /dev/null
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}
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devlink_trap_action_get()
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{
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local trap_name=$1; shift
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devlink -j trap show $DEVLINK_DEV trap $trap_name \
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| jq -r '.[][][].action'
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}
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devlink_trap_group_get()
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{
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devlink -j trap show $DEVLINK_DEV trap $trap_name \
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| jq -r '.[][][].group'
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}
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devlink_trap_metadata_test()
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{
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local trap_name=$1; shift
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local metadata=$1; shift
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devlink -jv trap show $DEVLINK_DEV trap $trap_name \
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| jq -e '.[][][].metadata | contains(["'$metadata'"])' \
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&> /dev/null
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}
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devlink_trap_rx_packets_get()
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{
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local trap_name=$1; shift
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devlink -js trap show $DEVLINK_DEV trap $trap_name \
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| jq '.[][][]["stats"]["rx"]["packets"]'
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}
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devlink_trap_rx_bytes_get()
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{
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local trap_name=$1; shift
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devlink -js trap show $DEVLINK_DEV trap $trap_name \
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| jq '.[][][]["stats"]["rx"]["bytes"]'
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}
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devlink_trap_drop_packets_get()
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{
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local trap_name=$1; shift
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devlink -js trap show $DEVLINK_DEV trap $trap_name \
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| jq '.[][][]["stats"]["rx"]["dropped"]'
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}
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devlink_trap_stats_idle_test()
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{
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local trap_name=$1; shift
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local t0_packets t0_bytes
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local t1_packets t1_bytes
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t0_packets=$(devlink_trap_rx_packets_get $trap_name)
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t0_bytes=$(devlink_trap_rx_bytes_get $trap_name)
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sleep 1
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t1_packets=$(devlink_trap_rx_packets_get $trap_name)
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t1_bytes=$(devlink_trap_rx_bytes_get $trap_name)
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if [[ $t0_packets -eq $t1_packets && $t0_bytes -eq $t1_bytes ]]; then
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return 0
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else
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return 1
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fi
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}
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devlink_trap_drop_stats_idle_test()
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{
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local trap_name=$1; shift
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local t0_packets t0_bytes
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t0_packets=$(devlink_trap_drop_packets_get $trap_name)
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sleep 1
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t1_packets=$(devlink_trap_drop_packets_get $trap_name)
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if [[ $t0_packets -eq $t1_packets ]]; then
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return 0
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else
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return 1
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fi
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}
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devlink_traps_enable_all()
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{
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local trap_name
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for trap_name in $(devlink_traps_get); do
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devlink_trap_action_set $trap_name "trap"
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done
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}
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devlink_traps_disable_all()
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{
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for trap_name in $(devlink_traps_get); do
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devlink_trap_action_set $trap_name "drop"
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done
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}
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devlink_trap_groups_get()
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{
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devlink -j trap group | jq -r '.[]["'$DEVLINK_DEV'"][].name'
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}
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devlink_trap_group_action_set()
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{
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local group_name=$1; shift
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local action=$1; shift
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# Pipe output to /dev/null to avoid expected warnings.
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devlink trap group set $DEVLINK_DEV group $group_name action $action \
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&> /dev/null
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}
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devlink_trap_group_rx_packets_get()
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{
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local group_name=$1; shift
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devlink -js trap group show $DEVLINK_DEV group $group_name \
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| jq '.[][][]["stats"]["rx"]["packets"]'
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}
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devlink_trap_group_rx_bytes_get()
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{
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local group_name=$1; shift
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devlink -js trap group show $DEVLINK_DEV group $group_name \
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| jq '.[][][]["stats"]["rx"]["bytes"]'
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}
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devlink_trap_group_stats_idle_test()
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{
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local group_name=$1; shift
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local t0_packets t0_bytes
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local t1_packets t1_bytes
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t0_packets=$(devlink_trap_group_rx_packets_get $group_name)
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t0_bytes=$(devlink_trap_group_rx_bytes_get $group_name)
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sleep 1
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t1_packets=$(devlink_trap_group_rx_packets_get $group_name)
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t1_bytes=$(devlink_trap_group_rx_bytes_get $group_name)
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if [[ $t0_packets -eq $t1_packets && $t0_bytes -eq $t1_bytes ]]; then
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return 0
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else
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return 1
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fi
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}
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devlink_trap_exception_test()
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{
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local trap_name=$1; shift
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local group_name
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group_name=$(devlink_trap_group_get $trap_name)
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devlink_trap_stats_idle_test $trap_name
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check_fail $? "Trap stats idle when packets should have been trapped"
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devlink_trap_group_stats_idle_test $group_name
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check_fail $? "Trap group idle when packets should have been trapped"
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}
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devlink_trap_drop_test()
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{
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local trap_name=$1; shift
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local dev=$1; shift
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local handle=$1; shift
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local group_name
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group_name=$(devlink_trap_group_get $trap_name)
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# This is the common part of all the tests. It checks that stats are
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# initially idle, then non-idle after changing the trap action and
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# finally idle again. It also makes sure the packets are dropped and
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# never forwarded.
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devlink_trap_stats_idle_test $trap_name
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check_err $? "Trap stats not idle with initial drop action"
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devlink_trap_group_stats_idle_test $group_name
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check_err $? "Trap group stats not idle with initial drop action"
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devlink_trap_action_set $trap_name "trap"
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devlink_trap_stats_idle_test $trap_name
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check_fail $? "Trap stats idle after setting action to trap"
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devlink_trap_group_stats_idle_test $group_name
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check_fail $? "Trap group stats idle after setting action to trap"
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devlink_trap_action_set $trap_name "drop"
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devlink_trap_stats_idle_test $trap_name
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check_err $? "Trap stats not idle after setting action to drop"
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devlink_trap_group_stats_idle_test $group_name
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check_err $? "Trap group stats not idle after setting action to drop"
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tc_check_packets "dev $dev egress" $handle 0
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check_err $? "Packets were not dropped"
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}
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devlink_trap_drop_cleanup()
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{
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local mz_pid=$1; shift
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local dev=$1; shift
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local proto=$1; shift
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local pref=$1; shift
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local handle=$1; shift
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kill $mz_pid && wait $mz_pid &> /dev/null
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tc filter del dev $dev egress protocol $proto pref $pref handle $handle flower
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}
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devlink_trap_stats_check()
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{
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local trap_name=$1; shift
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local send_one="$@"
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local t0_packets
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local t1_packets
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t0_packets=$(devlink_trap_rx_packets_get $trap_name)
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$send_one && sleep 1
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t1_packets=$(devlink_trap_rx_packets_get $trap_name)
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[[ $t1_packets -ne $t0_packets ]]
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}
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devlink_trap_stats_test()
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{
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local test_name=$1; shift
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RET=0
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devlink_trap_stats_check "$@"
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check_err $? "Trap stats did not increase"
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log_test "$test_name"
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}
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devlink_trap_policers_num_get()
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{
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devlink -j -p trap policer show | jq '.[]["'$DEVLINK_DEV'"] | length'
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}
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devlink_trap_policer_rate_get()
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{
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local policer_id=$1; shift
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devlink -j -p trap policer show $DEVLINK_DEV policer $policer_id \
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| jq '.[][][]["rate"]'
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}
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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"]'
|
|
}
|