selftests: netdevsim: add tests for devlink reload with resources (b74c37fd) · Commits · 戴 / test

tools/testing/selftests/drivers/net/netdevsim/devlink.sh

+119 −1

Original line number	Diff line number	Diff line
		@@ -3,7 +3,8 @@

		lib_dir=$(dirname $0)/../../../net/forwarding

		ALL_TESTS="fw_flash_test params_test regions_test"
		ALL_TESTS="fw_flash_test params_test regions_test reload_test \
		netns_reload_test resource_test"
		NUM_NETIFS=0
		source $lib_dir/lib.sh

		@@ -142,6 +143,123 @@ regions_test()
		log_test "regions test"
		}

		reload_test()
		{
		RET=0

		devlink dev reload $DL_HANDLE
		check_err $? "Failed to reload"

		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

		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\""

		ip netns del testns2
		ip netns del testns1

		log_test "resource test"
		}

		setup_prepare()
		{
		modprobe netdevsim

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