#!/bin/bash # SPDX-License-Identifier: GPL-2.0 lib_dir=$(dirname $0)/../../../net/forwarding ALL_TESTS="fw_flash_test params_test regions_test reload_test \ netns_reload_test resource_test dev_info_test \ empty_reporter_test dummy_reporter_test" NUM_NETIFS=0 source $lib_dir/lib.sh BUS_ADDR=10 PORT_COUNT=4 DEV_NAME=netdevsim$BUS_ADDR SYSFS_NET_DIR=/sys/bus/netdevsim/devices/$DEV_NAME/net/ DEBUGFS_DIR=/sys/kernel/debug/netdevsim/$DEV_NAME/ DL_HANDLE=netdevsim/$DEV_NAME wait_for_devlink() { "$@" | grep -q $DL_HANDLE } devlink_wait() { local timeout=$1 busywait "$timeout" wait_for_devlink devlink dev } fw_flash_test() { RET=0 devlink dev flash $DL_HANDLE file dummy check_err $? "Failed to flash with status updates on" devlink dev flash $DL_HANDLE file dummy component fw.mgmt check_err $? "Failed to flash with component attribute" devlink dev flash $DL_HANDLE file dummy overwrite settings check_fail $? "Flash with overwrite settings should be rejected" echo "1"> $DEBUGFS_DIR/fw_update_overwrite_mask check_err $? "Failed to change allowed overwrite mask" devlink dev flash $DL_HANDLE file dummy overwrite settings check_err $? "Failed to flash with settings overwrite enabled" devlink dev flash $DL_HANDLE file dummy overwrite identifiers check_fail $? "Flash with overwrite settings should be identifiers" echo "3"> $DEBUGFS_DIR/fw_update_overwrite_mask check_err $? "Failed to change allowed overwrite mask" devlink dev flash $DL_HANDLE file dummy overwrite identifiers overwrite settings check_err $? "Failed to flash with settings and identifiers overwrite enabled" echo "n"> $DEBUGFS_DIR/fw_update_status check_err $? "Failed to disable status updates" devlink dev flash $DL_HANDLE file dummy check_err $? "Failed to flash with status updates off" log_test "fw flash test" } param_get() { local name=$1 cmd_jq "devlink dev param show $DL_HANDLE name $name -j" \ '.[][][].values[] | select(.cmode == "driverinit").value' } param_set() { local name=$1 local value=$2 devlink dev param set $DL_HANDLE name $name cmode driverinit value $value } check_value() { local name=$1 local phase_name=$2 local expected_param_value=$3 local expected_debugfs_value=$4 local value value=$(param_get $name) check_err $? "Failed to get $name param value" [ "$value" == "$expected_param_value" ] check_err $? "Unexpected $phase_name $name param value" value=$(<$DEBUGFS_DIR/$name) check_err $? "Failed to get $name debugfs value" [ "$value" == "$expected_debugfs_value" ] check_err $? "Unexpected $phase_name $name debugfs value" } params_test() { RET=0 local max_macs local test1 check_value max_macs initial 32 32 check_value test1 initial true Y param_set max_macs 16 check_err $? "Failed to set max_macs param value" param_set test1 false check_err $? "Failed to set test1 param value" check_value max_macs post-set 16 32 check_value test1 post-set false Y devlink dev reload $DL_HANDLE check_value max_macs post-reload 16 16 check_value test1 post-reload false N log_test "params test" } check_region_size() { local name=$1 local size size=$(devlink region show $DL_HANDLE/$name -j | jq -e -r '.[][].size') check_err $? "Failed to get $name region size" [ $size -eq 32768 ] check_err $? "Invalid $name region size" } check_region_snapshot_count() { local name=$1 local phase_name=$2 local expected_count=$3 local count count=$(devlink region show $DL_HANDLE/$name -j | jq -e -r '.[][].snapshot | length') [ $count -eq $expected_count ] check_err $? "Unexpected $phase_name snapshot count" } regions_test() { RET=0 local count check_region_size dummy check_region_snapshot_count dummy initial 0 echo ""> $DEBUGFS_DIR/take_snapshot check_err $? "Failed to take first dummy region snapshot" check_region_snapshot_count dummy post-first-snapshot 1 echo ""> $DEBUGFS_DIR/take_snapshot check_err $? "Failed to take second dummy region snapshot" check_region_snapshot_count dummy post-second-snapshot 2 echo ""> $DEBUGFS_DIR/take_snapshot check_err $? "Failed to take third dummy region snapshot" check_region_snapshot_count dummy post-third-snapshot 3 devlink region del $DL_HANDLE/dummy snapshot 1 check_err $? "Failed to delete first dummy region snapshot" check_region_snapshot_count dummy post-first-delete 2 devlink region new $DL_HANDLE/dummy snapshot 25 check_err $? "Failed to create a new snapshot with id 25" check_region_snapshot_count dummy post-first-request 3 devlink region dump $DL_HANDLE/dummy snapshot 25 >> /dev/null check_err $? "Failed to dump snapshot with id 25" devlink region read $DL_HANDLE/dummy snapshot 25 addr 0 len 1 >> /dev/null check_err $? "Failed to read snapshot with id 25 (1 byte)" devlink region read $DL_HANDLE/dummy snapshot 25 addr 128 len 128 >> /dev/null check_err $? "Failed to read snapshot with id 25 (128 bytes)" devlink region read $DL_HANDLE/dummy snapshot 25 addr 128 len $((1<<32)) >> /dev/null check_err $? "Failed to read snapshot with id 25 (oversized)" devlink region read $DL_HANDLE/dummy snapshot 25 addr $((1<<32)) len 128 >> /dev/null 2>&1 check_fail $? "Bad read of snapshot with id 25 did not fail" devlink region del $DL_HANDLE/dummy snapshot 25 check_err $? "Failed to delete snapshot with id 25" check_region_snapshot_count dummy post-second-delete 2 sid=$(devlink -j region new $DL_HANDLE/dummy | jq '.[][][][]') check_err $? "Failed to create a new snapshot with id allocated by the kernel" check_region_snapshot_count dummy post-first-request 3 devlink region dump $DL_HANDLE/dummy snapshot $sid >> /dev/null check_err $? "Failed to dump a snapshot with id allocated by the kernel" devlink region del $DL_HANDLE/dummy snapshot $sid check_err $? "Failed to delete snapshot with id allocated by the kernel" check_region_snapshot_count dummy post-first-request 2 log_test "regions test" } reload_test() { RET=0 devlink dev reload $DL_HANDLE check_err $? "Failed to reload" echo "y"> $DEBUGFS_DIR/fail_reload check_err $? "Failed to setup devlink reload to fail" devlink dev reload $DL_HANDLE check_fail $? "Unexpected success of devlink reload" echo "n"> $DEBUGFS_DIR/fail_reload check_err $? "Failed to setup devlink reload not to fail" devlink dev reload $DL_HANDLE check_err $? "Failed to reload after set not to fail" echo "y"> $DEBUGFS_DIR/dont_allow_reload check_err $? "Failed to forbid devlink reload" devlink dev reload $DL_HANDLE check_fail $? "Unexpected success of devlink reload" echo "n"> $DEBUGFS_DIR/dont_allow_reload check_err $? "Failed to re-enable devlink reload" devlink dev reload $DL_HANDLE check_err $? "Failed to reload after re-enable" log_test "reload test" } netns_reload_test() { RET=0 ip netns add testns1 check_err $? "Failed add netns \"testns1\"" ip netns add testns2 check_err $? "Failed add netns \"testns2\"" devlink dev reload $DL_HANDLE netns testns1 check_err $? "Failed to reload into netns \"testns1\"" devlink -N testns1 dev reload $DL_HANDLE netns testns2 check_err $? "Failed to reload from netns \"testns1\" into netns \"testns2\"" ip netns del testns2 ip netns del testns1 # Wait until netns async cleanup is done. devlink_wait 2000 log_test "netns reload test" } DUMMYDEV="dummytest" res_val_get() { local netns=$1 local parentname=$2 local name=$3 local type=$4 cmd_jq "devlink -N $netns resource show $DL_HANDLE -j" \ ".[][][] | select(.name == \"$parentname\").resources[] \ | select(.name == \"$name\").$type" } resource_test() { RET=0 ip netns add testns1 check_err $? "Failed add netns \"testns1\"" ip netns add testns2 check_err $? "Failed add netns \"testns2\"" devlink dev reload $DL_HANDLE netns testns1 check_err $? "Failed to reload into netns \"testns1\"" # Create dummy dev to add the address and routes on. ip -n testns1 link add name $DUMMYDEV type dummy check_err $? "Failed create dummy device" ip -n testns1 link set $DUMMYDEV up check_err $? "Failed bring up dummy device" ip -n testns1 a a 192.0.1.1/24 dev $DUMMYDEV check_err $? "Failed add an IP address to dummy device" local occ=$(res_val_get testns1 IPv4 fib occ) local limit=$((occ+1)) # Set fib size limit to handle one another route only. devlink -N testns1 resource set $DL_HANDLE path IPv4/fib size $limit check_err $? "Failed to set IPv4/fib resource size" local size_new=$(res_val_get testns1 IPv4 fib size_new) [ "$size_new" -eq "$limit" ] check_err $? "Unexpected \"size_new\" value (got $size_new, expected $limit)" devlink -N testns1 dev reload $DL_HANDLE check_err $? "Failed to reload" local size=$(res_val_get testns1 IPv4 fib size) [ "$size" -eq "$limit" ] check_err $? "Unexpected \"size\" value (got $size, expected $limit)" # Insert 2 routes, the first is going to be inserted, # the second is expected to fail to be inserted. ip -n testns1 r a 192.0.2.0/24 via 192.0.1.2 check_err $? "Failed to add route" ip -n testns1 r a 192.0.3.0/24 via 192.0.1.2 check_fail $? "Unexpected successful route add over limit" # Now create another dummy in second network namespace and # insert two routes. That is over the limit of the netdevsim # instance in the first namespace. Move the netdevsim instance # into the second namespace and expect it to fail. ip -n testns2 link add name $DUMMYDEV type dummy check_err $? "Failed create dummy device" ip -n testns2 link set $DUMMYDEV up check_err $? "Failed bring up dummy device" ip -n testns2 a a 192.0.1.1/24 dev $DUMMYDEV check_err $? "Failed add an IP address to dummy device" ip -n testns2 r a 192.0.2.0/24 via 192.0.1.2 check_err $? "Failed to add route" ip -n testns2 r a 192.0.3.0/24 via 192.0.1.2 check_err $? "Failed to add route" devlink -N testns1 dev reload $DL_HANDLE netns testns2 check_fail $? "Unexpected successful reload from netns \"testns1\" into netns \"testns2\"" devlink -N testns2 resource set $DL_HANDLE path IPv4/fib size ' -1' check_err $? "Failed to reset IPv4/fib resource size" devlink -N testns2 dev reload $DL_HANDLE netns 1 check_err $? "Failed to reload devlink back" ip netns del testns2 ip netns del testns1 # Wait until netns async cleanup is done. devlink_wait 2000 log_test "resource test" } info_get() { local name=$1 cmd_jq "devlink dev info $DL_HANDLE -j" ".[][][\"$name\"]" "-e" } dev_info_test() { RET=0 driver=$(info_get "driver") check_err $? "Failed to get driver name" [ "$driver" == "netdevsim" ] check_err $? "Unexpected driver name $driver" log_test "dev_info test" } empty_reporter_test() { RET=0 devlink health show $DL_HANDLE reporter empty >/dev/null check_err $? "Failed show empty reporter" devlink health dump show $DL_HANDLE reporter empty >/dev/null check_err $? "Failed show dump of empty reporter" devlink health diagnose $DL_HANDLE reporter empty >/dev/null check_err $? "Failed diagnose empty reporter" devlink health recover $DL_HANDLE reporter empty check_err $? "Failed recover empty reporter" log_test "empty reporter test" } check_reporter_info() { local name=$1 local expected_state=$2 local expected_error=$3 local expected_recover=$4 local expected_grace_period=$5 local expected_auto_recover=$6 local show=$(devlink health show $DL_HANDLE reporter $name -j | jq -e -r ".[][][]") check_err $? "Failed show $name reporter" local state=$(echo $show | jq -r ".state") [ "$state" == "$expected_state" ] check_err $? "Unexpected \"state\" value (got $state, expected $expected_state)" local error=$(echo $show | jq -r ".error") [ "$error" == "$expected_error" ] check_err $? "Unexpected \"error\" value (got $error, expected $expected_error)" local recover=`echo $show | jq -r ".recover"` [ "$recover" == "$expected_recover" ] check_err $? "Unexpected \"recover\" value (got $recover, expected $expected_recover)" local grace_period=$(echo $show | jq -r ".grace_period") check_err $? "Failed get $name reporter grace_period" [ "$grace_period" == "$expected_grace_period" ] check_err $? "Unexpected \"grace_period\" value (got $grace_period, expected $expected_grace_period)" local auto_recover=$(echo $show | jq -r ".auto_recover") [ "$auto_recover" == "$expected_auto_recover" ] check_err $? "Unexpected \"auto_recover\" value (got $auto_recover, expected $expected_auto_recover)" } dummy_reporter_test() { RET=0 check_reporter_info dummy healthy 0 0 0 true devlink health set $DL_HANDLE reporter dummy auto_recover false check_err $? "Failed to dummy reporter auto_recover option" check_reporter_info dummy healthy 0 0 0 false local BREAK_MSG="foo bar" echo "$BREAK_MSG"> $DEBUGFS_DIR/health/break_health check_err $? "Failed to break dummy reporter" check_reporter_info dummy error 1 0 0 false local dump=$(devlink health dump show $DL_HANDLE reporter dummy -j) check_err $? "Failed show dump of dummy reporter" local dump_break_msg=$(echo $dump | jq -r ".break_message") [ "$dump_break_msg" == "$BREAK_MSG" ] check_err $? "Unexpected dump break message value (got $dump_break_msg, expected $BREAK_MSG)" devlink health dump clear $DL_HANDLE reporter dummy check_err $? "Failed clear dump of dummy reporter" devlink health recover $DL_HANDLE reporter dummy check_err $? "Failed recover dummy reporter" check_reporter_info dummy healthy 1 1 0 false devlink health set $DL_HANDLE reporter dummy auto_recover true check_err $? "Failed to dummy reporter auto_recover option" check_reporter_info dummy healthy 1 1 0 true echo "$BREAK_MSG"> $DEBUGFS_DIR/health/break_health check_err $? "Failed to break dummy reporter" check_reporter_info dummy healthy 2 2 0 true local diagnose=$(devlink health diagnose $DL_HANDLE reporter dummy -j -p) check_err $? "Failed show diagnose of dummy reporter" local rcvrd_break_msg=$(echo $diagnose | jq -r ".recovered_break_message") [ "$rcvrd_break_msg" == "$BREAK_MSG" ] check_err $? "Unexpected recovered break message value (got $rcvrd_break_msg, expected $BREAK_MSG)" devlink health set $DL_HANDLE reporter dummy grace_period 10 check_err $? "Failed to dummy reporter grace_period option" check_reporter_info dummy healthy 2 2 10 true echo "Y"> $DEBUGFS_DIR/health/fail_recover check_err $? "Failed set dummy reporter recovery to fail" echo "$BREAK_MSG"> $DEBUGFS_DIR/health/break_health check_fail $? "Unexpected success of dummy reporter break" check_reporter_info dummy error 3 2 10 true devlink health recover $DL_HANDLE reporter dummy check_fail $? "Unexpected success of dummy reporter recover" echo "N"> $DEBUGFS_DIR/health/fail_recover check_err $? "Failed set dummy reporter recovery to be successful" devlink health recover $DL_HANDLE reporter dummy check_err $? "Failed recover dummy reporter" check_reporter_info dummy healthy 3 3 10 true echo 8192 > $DEBUGFS_DIR/health/binary_len check_err $? "Failed set dummy reporter binary len to 8192" local dump=$(devlink health dump show $DL_HANDLE reporter dummy -j) check_err $? "Failed show dump of dummy reporter" devlink health dump clear $DL_HANDLE reporter dummy check_err $? "Failed clear dump of dummy reporter" log_test "dummy reporter test" } setup_prepare() { modprobe netdevsim echo "$BUS_ADDR $PORT_COUNT" > /sys/bus/netdevsim/new_device while [ ! -d $SYSFS_NET_DIR ] ; do :; done } cleanup() { pre_cleanup echo "$BUS_ADDR" > /sys/bus/netdevsim/del_device modprobe -r netdevsim } trap cleanup EXIT setup_prepare tests_run exit $EXIT_STATUS