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9278bc9f62
Extend netdevsim reload test by simulation of failures. Signed-off-by: Jiri Pirko <jiri@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
308 lines
7.5 KiB
Bash
Executable File
308 lines
7.5 KiB
Bash
Executable File
#!/bin/bash
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# SPDX-License-Identifier: GPL-2.0
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lib_dir=$(dirname $0)/../../../net/forwarding
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ALL_TESTS="fw_flash_test params_test regions_test reload_test \
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netns_reload_test resource_test"
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NUM_NETIFS=0
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source $lib_dir/lib.sh
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BUS_ADDR=10
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PORT_COUNT=4
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DEV_NAME=netdevsim$BUS_ADDR
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SYSFS_NET_DIR=/sys/bus/netdevsim/devices/$DEV_NAME/net/
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DEBUGFS_DIR=/sys/kernel/debug/netdevsim/$DEV_NAME/
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DL_HANDLE=netdevsim/$DEV_NAME
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fw_flash_test()
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{
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RET=0
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devlink dev flash $DL_HANDLE file dummy
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check_err $? "Failed to flash with status updates on"
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echo "n"> $DEBUGFS_DIR/fw_update_status
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check_err $? "Failed to disable status updates"
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devlink dev flash $DL_HANDLE file dummy
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check_err $? "Failed to flash with status updates off"
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log_test "fw flash test"
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}
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param_get()
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{
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local name=$1
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cmd_jq "devlink dev param show $DL_HANDLE name $name -j" \
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'.[][][].values[] | select(.cmode == "driverinit").value'
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}
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param_set()
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{
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local name=$1
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local value=$2
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devlink dev param set $DL_HANDLE name $name cmode driverinit value $value
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}
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check_value()
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{
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local name=$1
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local phase_name=$2
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local expected_param_value=$3
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local expected_debugfs_value=$4
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local value
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value=$(param_get $name)
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check_err $? "Failed to get $name param value"
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[ "$value" == "$expected_param_value" ]
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check_err $? "Unexpected $phase_name $name param value"
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value=$(<$DEBUGFS_DIR/$name)
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check_err $? "Failed to get $name debugfs value"
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[ "$value" == "$expected_debugfs_value" ]
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check_err $? "Unexpected $phase_name $name debugfs value"
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}
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params_test()
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{
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RET=0
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local max_macs
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local test1
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check_value max_macs initial 32 32
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check_value test1 initial true Y
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param_set max_macs 16
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check_err $? "Failed to set max_macs param value"
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param_set test1 false
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check_err $? "Failed to set test1 param value"
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check_value max_macs post-set 16 32
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check_value test1 post-set false Y
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devlink dev reload $DL_HANDLE
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check_value max_macs post-reload 16 16
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check_value test1 post-reload false N
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log_test "params test"
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}
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check_region_size()
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{
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local name=$1
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local size
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size=$(devlink region show $DL_HANDLE/$name -j | jq -e -r '.[][].size')
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check_err $? "Failed to get $name region size"
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[ $size -eq 32768 ]
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check_err $? "Invalid $name region size"
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}
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check_region_snapshot_count()
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{
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local name=$1
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local phase_name=$2
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local expected_count=$3
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local count
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count=$(devlink region show $DL_HANDLE/$name -j | jq -e -r '.[][].snapshot | length')
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[ $count -eq $expected_count ]
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check_err $? "Unexpected $phase_name snapshot count"
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}
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regions_test()
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{
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RET=0
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local count
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check_region_size dummy
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check_region_snapshot_count dummy initial 0
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echo ""> $DEBUGFS_DIR/take_snapshot
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check_err $? "Failed to take first dummy region snapshot"
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check_region_snapshot_count dummy post-first-snapshot 1
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echo ""> $DEBUGFS_DIR/take_snapshot
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check_err $? "Failed to take second dummy region snapshot"
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check_region_snapshot_count dummy post-second-snapshot 2
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echo ""> $DEBUGFS_DIR/take_snapshot
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check_err $? "Failed to take third dummy region snapshot"
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check_region_snapshot_count dummy post-third-snapshot 3
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devlink region del $DL_HANDLE/dummy snapshot 1
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check_err $? "Failed to delete first dummy region snapshot"
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check_region_snapshot_count dummy post-first-delete 2
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log_test "regions test"
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}
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reload_test()
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{
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RET=0
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devlink dev reload $DL_HANDLE
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check_err $? "Failed to reload"
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echo "y"> $DEBUGFS_DIR/fail_reload
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check_err $? "Failed to setup devlink reload to fail"
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devlink dev reload $DL_HANDLE
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check_fail $? "Unexpected success of devlink reload"
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echo "n"> $DEBUGFS_DIR/fail_reload
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check_err $? "Failed to setup devlink reload not to fail"
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devlink dev reload $DL_HANDLE
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check_err $? "Failed to reload after set not to fail"
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echo "y"> $DEBUGFS_DIR/dont_allow_reload
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check_err $? "Failed to forbid devlink reload"
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devlink dev reload $DL_HANDLE
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check_fail $? "Unexpected success of devlink reload"
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echo "n"> $DEBUGFS_DIR/dont_allow_reload
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check_err $? "Failed to re-enable devlink reload"
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devlink dev reload $DL_HANDLE
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check_err $? "Failed to reload after re-enable"
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log_test "reload test"
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}
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netns_reload_test()
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{
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RET=0
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ip netns add testns1
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check_err $? "Failed add netns \"testns1\""
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ip netns add testns2
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check_err $? "Failed add netns \"testns2\""
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devlink dev reload $DL_HANDLE netns testns1
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check_err $? "Failed to reload into netns \"testns1\""
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devlink -N testns1 dev reload $DL_HANDLE netns testns2
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check_err $? "Failed to reload from netns \"testns1\" into netns \"testns2\""
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ip netns del testns2
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ip netns del testns1
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log_test "netns reload test"
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}
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DUMMYDEV="dummytest"
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res_val_get()
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{
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local netns=$1
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local parentname=$2
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local name=$3
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local type=$4
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cmd_jq "devlink -N $netns resource show $DL_HANDLE -j" \
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".[][][] | select(.name == \"$parentname\").resources[] \
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| select(.name == \"$name\").$type"
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}
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resource_test()
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{
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RET=0
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ip netns add testns1
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check_err $? "Failed add netns \"testns1\""
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ip netns add testns2
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check_err $? "Failed add netns \"testns2\""
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devlink dev reload $DL_HANDLE netns testns1
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check_err $? "Failed to reload into netns \"testns1\""
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# Create dummy dev to add the address and routes on.
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ip -n testns1 link add name $DUMMYDEV type dummy
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check_err $? "Failed create dummy device"
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ip -n testns1 link set $DUMMYDEV up
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check_err $? "Failed bring up dummy device"
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ip -n testns1 a a 192.0.1.1/24 dev $DUMMYDEV
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check_err $? "Failed add an IP address to dummy device"
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local occ=$(res_val_get testns1 IPv4 fib occ)
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local limit=$((occ+1))
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# Set fib size limit to handle one another route only.
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devlink -N testns1 resource set $DL_HANDLE path IPv4/fib size $limit
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check_err $? "Failed to set IPv4/fib resource size"
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local size_new=$(res_val_get testns1 IPv4 fib size_new)
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[ "$size_new" -eq "$limit" ]
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check_err $? "Unexpected \"size_new\" value (got $size_new, expected $limit)"
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devlink -N testns1 dev reload $DL_HANDLE
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check_err $? "Failed to reload"
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local size=$(res_val_get testns1 IPv4 fib size)
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[ "$size" -eq "$limit" ]
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check_err $? "Unexpected \"size\" value (got $size, expected $limit)"
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# Insert 2 routes, the first is going to be inserted,
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# the second is expected to fail to be inserted.
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ip -n testns1 r a 192.0.2.0/24 via 192.0.1.2
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check_err $? "Failed to add route"
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ip -n testns1 r a 192.0.3.0/24 via 192.0.1.2
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check_fail $? "Unexpected successful route add over limit"
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# Now create another dummy in second network namespace and
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# insert two routes. That is over the limit of the netdevsim
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# instance in the first namespace. Move the netdevsim instance
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# into the second namespace and expect it to fail.
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ip -n testns2 link add name $DUMMYDEV type dummy
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check_err $? "Failed create dummy device"
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ip -n testns2 link set $DUMMYDEV up
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check_err $? "Failed bring up dummy device"
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ip -n testns2 a a 192.0.1.1/24 dev $DUMMYDEV
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check_err $? "Failed add an IP address to dummy device"
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ip -n testns2 r a 192.0.2.0/24 via 192.0.1.2
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check_err $? "Failed to add route"
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ip -n testns2 r a 192.0.3.0/24 via 192.0.1.2
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check_err $? "Failed to add route"
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devlink -N testns1 dev reload $DL_HANDLE netns testns2
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check_fail $? "Unexpected successful reload from netns \"testns1\" into netns \"testns2\""
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ip netns del testns2
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ip netns del testns1
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log_test "resource test"
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}
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setup_prepare()
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{
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modprobe netdevsim
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echo "$BUS_ADDR $PORT_COUNT" > /sys/bus/netdevsim/new_device
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while [ ! -d $SYSFS_NET_DIR ] ; do :; done
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}
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cleanup()
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{
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pre_cleanup
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echo "$BUS_ADDR" > /sys/bus/netdevsim/del_device
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modprobe -r netdevsim
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}
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trap cleanup EXIT
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setup_prepare
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tests_run
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exit $EXIT_STATUS
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