| #!/bin/bash |
| # SPDX-License-Identifier: GPL-2.0 |
| # |
| # This test is for checking the FIB offload API. It makes use of netdevsim |
| # which registers a listener to the FIB notification chain. |
| |
| lib_dir=$(dirname $0)/../../../net/forwarding |
| |
| ALL_TESTS=" |
| ipv4_identical_routes |
| ipv4_tos |
| ipv4_metric |
| ipv4_replace |
| ipv4_delete |
| ipv4_plen |
| ipv4_replay |
| ipv4_flush |
| ipv4_error_path |
| ipv6_add |
| ipv6_metric |
| ipv6_append_single |
| ipv6_replace_single |
| ipv6_metric_multipath |
| ipv6_append_multipath |
| ipv6_replace_multipath |
| ipv6_append_multipath_to_single |
| ipv6_delete_single |
| ipv6_delete_multipath |
| ipv6_replay_single |
| ipv6_replay_multipath |
| ipv6_error_path |
| " |
| NETDEVSIM_PATH=/sys/bus/netdevsim/ |
| DEV_ADDR=1337 |
| DEV=netdevsim${DEV_ADDR} |
| SYSFS_NET_DIR=/sys/bus/netdevsim/devices/$DEV/net/ |
| NUM_NETIFS=0 |
| source $lib_dir/lib.sh |
| source $lib_dir/fib_offload_lib.sh |
| |
| DEVLINK_DEV= |
| source $lib_dir/devlink_lib.sh |
| DEVLINK_DEV=netdevsim/${DEV} |
| |
| ipv4_identical_routes() |
| { |
| fib_ipv4_identical_routes_test "testns1" |
| } |
| |
| ipv4_tos() |
| { |
| fib_ipv4_tos_test "testns1" |
| } |
| |
| ipv4_metric() |
| { |
| fib_ipv4_metric_test "testns1" |
| } |
| |
| ipv4_replace() |
| { |
| fib_ipv4_replace_test "testns1" |
| } |
| |
| ipv4_delete() |
| { |
| fib_ipv4_delete_test "testns1" |
| } |
| |
| ipv4_plen() |
| { |
| fib_ipv4_plen_test "testns1" |
| } |
| |
| ipv4_replay_metric() |
| { |
| fib_ipv4_replay_metric_test "testns1" "$DEVLINK_DEV" |
| } |
| |
| ipv4_replay_tos() |
| { |
| fib_ipv4_replay_tos_test "testns1" "$DEVLINK_DEV" |
| } |
| |
| ipv4_replay_plen() |
| { |
| fib_ipv4_replay_plen_test "testns1" "$DEVLINK_DEV" |
| } |
| |
| ipv4_replay() |
| { |
| ipv4_replay_metric |
| ipv4_replay_tos |
| ipv4_replay_plen |
| } |
| |
| ipv4_flush() |
| { |
| fib_ipv4_flush_test "testns1" |
| } |
| |
| ipv4_error_path_add() |
| { |
| local lsb |
| |
| RET=0 |
| |
| ip -n testns1 link add name dummy1 type dummy |
| ip -n testns1 link set dev dummy1 up |
| |
| devlink -N testns1 resource set $DEVLINK_DEV path IPv4/fib size 10 |
| devlink -N testns1 dev reload $DEVLINK_DEV |
| |
| for lsb in $(seq 1 20); do |
| ip -n testns1 route add 192.0.2.${lsb}/32 dev dummy1 \ |
| &> /dev/null |
| done |
| |
| log_test "IPv4 error path - add" |
| |
| ip -n testns1 link del dev dummy1 |
| } |
| |
| ipv4_error_path_replay() |
| { |
| local lsb |
| |
| RET=0 |
| |
| ip -n testns1 link add name dummy1 type dummy |
| ip -n testns1 link set dev dummy1 up |
| |
| devlink -N testns1 resource set $DEVLINK_DEV path IPv4/fib size 100 |
| devlink -N testns1 dev reload $DEVLINK_DEV |
| |
| for lsb in $(seq 1 20); do |
| ip -n testns1 route add 192.0.2.${lsb}/32 dev dummy1 |
| done |
| |
| devlink -N testns1 resource set $DEVLINK_DEV path IPv4/fib size 10 |
| devlink -N testns1 dev reload $DEVLINK_DEV &> /dev/null |
| |
| log_test "IPv4 error path - replay" |
| |
| ip -n testns1 link del dev dummy1 |
| |
| # Successfully reload after deleting all the routes. |
| devlink -N testns1 resource set $DEVLINK_DEV path IPv4/fib size 100 |
| devlink -N testns1 dev reload $DEVLINK_DEV |
| } |
| |
| ipv4_error_path() |
| { |
| # Test the different error paths of the notifiers by limiting the size |
| # of the "IPv4/fib" resource. |
| ipv4_error_path_add |
| ipv4_error_path_replay |
| } |
| |
| ipv6_add() |
| { |
| fib_ipv6_add_test "testns1" |
| } |
| |
| ipv6_metric() |
| { |
| fib_ipv6_metric_test "testns1" |
| } |
| |
| ipv6_append_single() |
| { |
| fib_ipv6_append_single_test "testns1" |
| } |
| |
| ipv6_replace_single() |
| { |
| fib_ipv6_replace_single_test "testns1" |
| } |
| |
| ipv6_metric_multipath() |
| { |
| fib_ipv6_metric_multipath_test "testns1" |
| } |
| |
| ipv6_append_multipath() |
| { |
| fib_ipv6_append_multipath_test "testns1" |
| } |
| |
| ipv6_replace_multipath() |
| { |
| fib_ipv6_replace_multipath_test "testns1" |
| } |
| |
| ipv6_append_multipath_to_single() |
| { |
| fib_ipv6_append_multipath_to_single_test "testns1" |
| } |
| |
| ipv6_delete_single() |
| { |
| fib_ipv6_delete_single_test "testns1" |
| } |
| |
| ipv6_delete_multipath() |
| { |
| fib_ipv6_delete_multipath_test "testns1" |
| } |
| |
| ipv6_replay_single() |
| { |
| fib_ipv6_replay_single_test "testns1" "$DEVLINK_DEV" |
| } |
| |
| ipv6_replay_multipath() |
| { |
| fib_ipv6_replay_multipath_test "testns1" "$DEVLINK_DEV" |
| } |
| |
| ipv6_error_path_add_single() |
| { |
| local lsb |
| |
| RET=0 |
| |
| ip -n testns1 link add name dummy1 type dummy |
| ip -n testns1 link set dev dummy1 up |
| |
| devlink -N testns1 resource set $DEVLINK_DEV path IPv6/fib size 10 |
| devlink -N testns1 dev reload $DEVLINK_DEV |
| |
| for lsb in $(seq 1 20); do |
| ip -n testns1 route add 2001:db8:1::${lsb}/128 dev dummy1 \ |
| &> /dev/null |
| done |
| |
| log_test "IPv6 error path - add single" |
| |
| ip -n testns1 link del dev dummy1 |
| } |
| |
| ipv6_error_path_add_multipath() |
| { |
| local lsb |
| |
| RET=0 |
| |
| for i in $(seq 1 2); do |
| ip -n testns1 link add name dummy$i type dummy |
| ip -n testns1 link set dev dummy$i up |
| ip -n testns1 address add 2001:db8:$i::1/64 dev dummy$i |
| done |
| |
| devlink -N testns1 resource set $DEVLINK_DEV path IPv6/fib size 10 |
| devlink -N testns1 dev reload $DEVLINK_DEV |
| |
| for lsb in $(seq 1 20); do |
| ip -n testns1 route add 2001:db8:10::${lsb}/128 \ |
| nexthop via 2001:db8:1::2 dev dummy1 \ |
| nexthop via 2001:db8:2::2 dev dummy2 &> /dev/null |
| done |
| |
| log_test "IPv6 error path - add multipath" |
| |
| for i in $(seq 1 2); do |
| ip -n testns1 link del dev dummy$i |
| done |
| } |
| |
| ipv6_error_path_replay() |
| { |
| local lsb |
| |
| RET=0 |
| |
| ip -n testns1 link add name dummy1 type dummy |
| ip -n testns1 link set dev dummy1 up |
| |
| devlink -N testns1 resource set $DEVLINK_DEV path IPv6/fib size 100 |
| devlink -N testns1 dev reload $DEVLINK_DEV |
| |
| for lsb in $(seq 1 20); do |
| ip -n testns1 route add 2001:db8:1::${lsb}/128 dev dummy1 |
| done |
| |
| devlink -N testns1 resource set $DEVLINK_DEV path IPv6/fib size 10 |
| devlink -N testns1 dev reload $DEVLINK_DEV &> /dev/null |
| |
| log_test "IPv6 error path - replay" |
| |
| ip -n testns1 link del dev dummy1 |
| |
| # Successfully reload after deleting all the routes. |
| devlink -N testns1 resource set $DEVLINK_DEV path IPv6/fib size 100 |
| devlink -N testns1 dev reload $DEVLINK_DEV |
| } |
| |
| ipv6_error_path() |
| { |
| # Test the different error paths of the notifiers by limiting the size |
| # of the "IPv6/fib" resource. |
| ipv6_error_path_add_single |
| ipv6_error_path_add_multipath |
| ipv6_error_path_replay |
| } |
| |
| fib_notify_on_flag_change_set() |
| { |
| local notify=$1; shift |
| |
| ip netns exec testns1 sysctl -qw net.ipv4.fib_notify_on_flag_change=$notify |
| ip netns exec testns1 sysctl -qw net.ipv6.fib_notify_on_flag_change=$notify |
| |
| log_info "Set fib_notify_on_flag_change to $notify" |
| } |
| |
| setup_prepare() |
| { |
| local netdev |
| |
| modprobe netdevsim &> /dev/null |
| |
| echo "$DEV_ADDR 1" > ${NETDEVSIM_PATH}/new_device |
| while [ ! -d $SYSFS_NET_DIR ] ; do :; done |
| |
| ip netns add testns1 |
| if [ $? -ne 0 ]; then |
| echo "Failed to add netns \"testns1\"" |
| exit 1 |
| fi |
| |
| devlink dev reload $DEVLINK_DEV netns testns1 |
| if [ $? -ne 0 ]; then |
| echo "Failed to reload into netns \"testns1\"" |
| exit 1 |
| fi |
| } |
| |
| cleanup() |
| { |
| pre_cleanup |
| ip netns del testns1 |
| echo "$DEV_ADDR" > ${NETDEVSIM_PATH}/del_device |
| modprobe -r netdevsim &> /dev/null |
| } |
| |
| trap cleanup EXIT |
| |
| setup_prepare |
| |
| fib_notify_on_flag_change_set 1 |
| tests_run |
| |
| fib_notify_on_flag_change_set 0 |
| tests_run |
| |
| exit $EXIT_STATUS |
