diff options
Diffstat (limited to 'tools/testing/selftests/drivers/net/netdevsim/devlink.sh')
| -rwxr-xr-x | tools/testing/selftests/drivers/net/netdevsim/devlink.sh | 548 |
1 files changed, 548 insertions, 0 deletions
diff --git a/tools/testing/selftests/drivers/net/netdevsim/devlink.sh b/tools/testing/selftests/drivers/net/netdevsim/devlink.sh new file mode 100755 index 000000000..2c81e01c3 --- /dev/null +++ b/tools/testing/selftests/drivers/net/netdevsim/devlink.sh @@ -0,0 +1,548 @@ +#!/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 |