403 lines
7.5 KiB
Bash
Executable File
403 lines
7.5 KiB
Bash
Executable File
#!/bin/bash
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# SPDX-License-Identifier: GPL-2.0
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#
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# This test is for checking the FIB offload API. It makes use of netdevsim
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# which registers a listener to the FIB notification chain.
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lib_dir=$(dirname $0)/../../../net/forwarding
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ALL_TESTS="
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ipv4_identical_routes
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ipv4_tos
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ipv4_metric
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ipv4_replace
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ipv4_delete
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ipv4_plen
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ipv4_replay
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ipv4_flush
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ipv4_error_path
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ipv4_delete_fail
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ipv6_add
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ipv6_metric
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ipv6_append_single
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ipv6_replace_single
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ipv6_metric_multipath
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ipv6_append_multipath
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ipv6_replace_multipath
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ipv6_append_multipath_to_single
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ipv6_delete_single
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ipv6_delete_multipath
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ipv6_replay_single
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ipv6_replay_multipath
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ipv6_error_path
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ipv6_delete_fail
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"
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NETDEVSIM_PATH=/sys/bus/netdevsim/
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DEV_ADDR=1337
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DEV=netdevsim${DEV_ADDR}
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SYSFS_NET_DIR=/sys/bus/netdevsim/devices/$DEV/net/
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DEBUGFS_DIR=/sys/kernel/debug/netdevsim/$DEV/
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NUM_NETIFS=0
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source $lib_dir/lib.sh
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source $lib_dir/fib_offload_lib.sh
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DEVLINK_DEV=
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source $lib_dir/devlink_lib.sh
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DEVLINK_DEV=netdevsim/${DEV}
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ipv4_identical_routes()
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{
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fib_ipv4_identical_routes_test "testns1"
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}
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ipv4_tos()
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{
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fib_ipv4_tos_test "testns1"
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}
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ipv4_metric()
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{
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fib_ipv4_metric_test "testns1"
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}
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ipv4_replace()
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{
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fib_ipv4_replace_test "testns1"
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}
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ipv4_delete()
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{
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fib_ipv4_delete_test "testns1"
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}
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ipv4_plen()
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{
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fib_ipv4_plen_test "testns1"
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}
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ipv4_replay_metric()
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{
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fib_ipv4_replay_metric_test "testns1" "$DEVLINK_DEV"
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}
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ipv4_replay_tos()
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{
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fib_ipv4_replay_tos_test "testns1" "$DEVLINK_DEV"
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}
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ipv4_replay_plen()
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{
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fib_ipv4_replay_plen_test "testns1" "$DEVLINK_DEV"
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}
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ipv4_replay()
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{
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ipv4_replay_metric
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ipv4_replay_tos
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ipv4_replay_plen
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}
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ipv4_flush()
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{
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fib_ipv4_flush_test "testns1"
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}
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ipv4_error_path_add()
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{
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local lsb
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RET=0
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ip -n testns1 link add name dummy1 type dummy
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ip -n testns1 link set dev dummy1 up
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devlink -N testns1 resource set $DEVLINK_DEV path IPv4/fib size 10
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devlink -N testns1 dev reload $DEVLINK_DEV
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for lsb in $(seq 1 20); do
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ip -n testns1 route add 192.0.2.${lsb}/32 dev dummy1 \
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&> /dev/null
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done
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log_test "IPv4 error path - add"
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ip -n testns1 link del dev dummy1
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}
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ipv4_error_path_replay()
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{
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local lsb
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RET=0
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ip -n testns1 link add name dummy1 type dummy
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ip -n testns1 link set dev dummy1 up
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devlink -N testns1 resource set $DEVLINK_DEV path IPv4/fib size 100
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devlink -N testns1 dev reload $DEVLINK_DEV
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for lsb in $(seq 1 20); do
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ip -n testns1 route add 192.0.2.${lsb}/32 dev dummy1
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done
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devlink -N testns1 resource set $DEVLINK_DEV path IPv4/fib size 10
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devlink -N testns1 dev reload $DEVLINK_DEV &> /dev/null
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log_test "IPv4 error path - replay"
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ip -n testns1 link del dev dummy1
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# Successfully reload after deleting all the routes.
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devlink -N testns1 resource set $DEVLINK_DEV path IPv4/fib size 100
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devlink -N testns1 dev reload $DEVLINK_DEV
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}
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ipv4_error_path()
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{
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# Test the different error paths of the notifiers by limiting the size
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# of the "IPv4/fib" resource.
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ipv4_error_path_add
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ipv4_error_path_replay
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}
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ipv4_delete_fail()
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{
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RET=0
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echo "y" > $DEBUGFS_DIR/fib/fail_route_delete
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ip -n testns1 link add name dummy1 type dummy
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ip -n testns1 link set dev dummy1 up
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ip -n testns1 route add 192.0.2.0/24 dev dummy1
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ip -n testns1 route del 192.0.2.0/24 dev dummy1 &> /dev/null
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# We should not be able to delete the netdev if we are leaking a
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# reference.
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ip -n testns1 link del dev dummy1
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log_test "IPv4 route delete failure"
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echo "n" > $DEBUGFS_DIR/fib/fail_route_delete
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}
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ipv6_add()
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{
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fib_ipv6_add_test "testns1"
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}
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ipv6_metric()
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{
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fib_ipv6_metric_test "testns1"
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}
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ipv6_append_single()
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{
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fib_ipv6_append_single_test "testns1"
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}
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ipv6_replace_single()
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{
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fib_ipv6_replace_single_test "testns1"
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}
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ipv6_metric_multipath()
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{
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fib_ipv6_metric_multipath_test "testns1"
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}
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ipv6_append_multipath()
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{
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fib_ipv6_append_multipath_test "testns1"
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}
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ipv6_replace_multipath()
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{
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fib_ipv6_replace_multipath_test "testns1"
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}
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ipv6_append_multipath_to_single()
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{
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fib_ipv6_append_multipath_to_single_test "testns1"
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}
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ipv6_delete_single()
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{
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fib_ipv6_delete_single_test "testns1"
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}
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ipv6_delete_multipath()
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{
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fib_ipv6_delete_multipath_test "testns1"
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}
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ipv6_replay_single()
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{
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fib_ipv6_replay_single_test "testns1" "$DEVLINK_DEV"
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}
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ipv6_replay_multipath()
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{
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fib_ipv6_replay_multipath_test "testns1" "$DEVLINK_DEV"
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}
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ipv6_error_path_add_single()
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{
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local lsb
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RET=0
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ip -n testns1 link add name dummy1 type dummy
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ip -n testns1 link set dev dummy1 up
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devlink -N testns1 resource set $DEVLINK_DEV path IPv6/fib size 10
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devlink -N testns1 dev reload $DEVLINK_DEV
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for lsb in $(seq 1 20); do
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ip -n testns1 route add 2001:db8:1::${lsb}/128 dev dummy1 \
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&> /dev/null
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done
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log_test "IPv6 error path - add single"
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ip -n testns1 link del dev dummy1
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}
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ipv6_error_path_add_multipath()
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{
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local lsb
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RET=0
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for i in $(seq 1 2); do
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ip -n testns1 link add name dummy$i type dummy
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ip -n testns1 link set dev dummy$i up
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ip -n testns1 address add 2001:db8:$i::1/64 dev dummy$i
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done
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devlink -N testns1 resource set $DEVLINK_DEV path IPv6/fib size 10
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devlink -N testns1 dev reload $DEVLINK_DEV
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for lsb in $(seq 1 20); do
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ip -n testns1 route add 2001:db8:10::${lsb}/128 \
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nexthop via 2001:db8:1::2 dev dummy1 \
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nexthop via 2001:db8:2::2 dev dummy2 &> /dev/null
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done
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log_test "IPv6 error path - add multipath"
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for i in $(seq 1 2); do
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ip -n testns1 link del dev dummy$i
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done
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}
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ipv6_error_path_replay()
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{
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local lsb
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RET=0
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ip -n testns1 link add name dummy1 type dummy
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ip -n testns1 link set dev dummy1 up
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devlink -N testns1 resource set $DEVLINK_DEV path IPv6/fib size 100
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devlink -N testns1 dev reload $DEVLINK_DEV
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for lsb in $(seq 1 20); do
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ip -n testns1 route add 2001:db8:1::${lsb}/128 dev dummy1
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done
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devlink -N testns1 resource set $DEVLINK_DEV path IPv6/fib size 10
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devlink -N testns1 dev reload $DEVLINK_DEV &> /dev/null
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log_test "IPv6 error path - replay"
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ip -n testns1 link del dev dummy1
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# Successfully reload after deleting all the routes.
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devlink -N testns1 resource set $DEVLINK_DEV path IPv6/fib size 100
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devlink -N testns1 dev reload $DEVLINK_DEV
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}
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ipv6_error_path()
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{
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# Test the different error paths of the notifiers by limiting the size
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# of the "IPv6/fib" resource.
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ipv6_error_path_add_single
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ipv6_error_path_add_multipath
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ipv6_error_path_replay
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}
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ipv6_delete_fail()
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{
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RET=0
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echo "y" > $DEBUGFS_DIR/fib/fail_route_delete
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ip -n testns1 link add name dummy1 type dummy
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ip -n testns1 link set dev dummy1 up
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ip -n testns1 route add 2001:db8:1::/64 dev dummy1
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ip -n testns1 route del 2001:db8:1::/64 dev dummy1 &> /dev/null
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# We should not be able to delete the netdev if we are leaking a
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# reference.
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ip -n testns1 link del dev dummy1
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log_test "IPv6 route delete failure"
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echo "n" > $DEBUGFS_DIR/fib/fail_route_delete
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}
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fib_notify_on_flag_change_set()
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{
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local notify=$1; shift
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ip netns exec testns1 sysctl -qw net.ipv4.fib_notify_on_flag_change=$notify
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ip netns exec testns1 sysctl -qw net.ipv6.fib_notify_on_flag_change=$notify
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log_info "Set fib_notify_on_flag_change to $notify"
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}
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setup_prepare()
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{
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local netdev
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modprobe netdevsim &> /dev/null
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echo "$DEV_ADDR 1" > ${NETDEVSIM_PATH}/new_device
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while [ ! -d $SYSFS_NET_DIR ] ; do :; done
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ip netns add testns1
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if [ $? -ne 0 ]; then
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echo "Failed to add netns \"testns1\""
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exit 1
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fi
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devlink dev reload $DEVLINK_DEV netns testns1
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if [ $? -ne 0 ]; then
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echo "Failed to reload into netns \"testns1\""
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exit 1
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fi
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}
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cleanup()
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{
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pre_cleanup
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ip netns del testns1
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echo "$DEV_ADDR" > ${NETDEVSIM_PATH}/del_device
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modprobe -r netdevsim &> /dev/null
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}
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trap cleanup EXIT
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setup_prepare
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fib_notify_on_flag_change_set 1
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tests_run
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fib_notify_on_flag_change_set 0
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tests_run
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exit $EXIT_STATUS
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