diff options
Diffstat (limited to 'tools')
| -rw-r--r-- | tools/testing/selftests/drivers/net/README.rst | 4 | ||||
| -rw-r--r-- | tools/testing/selftests/net/forwarding/lib.sh | 146 | ||||
| -rw-r--r-- | tools/testing/selftests/net/lib.sh | 5 |
3 files changed, 146 insertions, 9 deletions
diff --git a/tools/testing/selftests/drivers/net/README.rst b/tools/testing/selftests/drivers/net/README.rst index b26b364be534..c8588436c224 100644 --- a/tools/testing/selftests/drivers/net/README.rst +++ b/tools/testing/selftests/drivers/net/README.rst @@ -26,6 +26,10 @@ The netdevice against which tests will be run must exist, be running Refer to list of :ref:`Variables` later in this file to set up running the tests against a real device. +The current support for bash tests restricts the use of the same interface name +on the local system and the remote one and will bail if this case is +encountered. + Both modes required ~~~~~~~~~~~~~~~~~~~ diff --git a/tools/testing/selftests/net/forwarding/lib.sh b/tools/testing/selftests/net/forwarding/lib.sh index 3009ce00c5dc..83249aafa669 100644 --- a/tools/testing/selftests/net/forwarding/lib.sh +++ b/tools/testing/selftests/net/forwarding/lib.sh @@ -1,5 +1,6 @@ #!/bin/bash # SPDX-License-Identifier: GPL-2.0 +#shellcheck disable=SC2034 # SC doesn't see our uses of global variables ############################################################################## # Topology description. p1 looped back to p2, p3 to p4 and so on. @@ -340,17 +341,144 @@ fi ############################################################################## # Command line options handling -count=0 +check_env() { + if [[ ! (( -n "$LOCAL_V4" && -n "$REMOTE_V4") || + ( -n "$LOCAL_V6" && -n "$REMOTE_V6" )) ]]; then + echo "SKIP: Invalid environment, missing or inconsistent LOCAL_V4/REMOTE_V4/LOCAL_V6/REMOTE_V6" + echo "Please see tools/testing/selftests/drivers/net/README.rst" + exit "$ksft_skip" + fi -while [[ $# -gt 0 ]]; do - if [[ "$count" -eq "0" ]]; then - unset NETIFS - declare -A NETIFS + if [[ -z "$REMOTE_TYPE" ]]; then + echo "SKIP: Invalid environment, missing REMOTE_TYPE" + exit "$ksft_skip" fi - count=$((count + 1)) - NETIFS[p$count]="$1" - shift -done + + if [[ -z "$REMOTE_ARGS" ]]; then + echo "SKIP: Invalid environment, missing REMOTE_ARGS" + exit "$ksft_skip" + fi +} + +__run_on() +{ + local target=$1; shift + local type args + + IFS=':' read -r type args <<< "$target" + + case "$type" in + netns) + # Execute command in network namespace + # args contains the namespace name + ip netns exec "$args" "$@" + ;; + ssh) + # Execute command via SSH args contains user@host + ssh -n "$args" "$@" + ;; + local|*) + # Execute command locally. This is also the fallback + # case for when the interface's target is not found in + # the TARGETS array. + "$@" + ;; + esac +} + +run_on() +{ + local iface=$1; shift + local target="local:" + + if [ "${DRIVER_TEST_CONFORMANT}" = "yes" ]; then + target="${TARGETS[$iface]}" + fi + + __run_on "$target" "$@" +} + +get_ifname_by_ip() +{ + local target=$1; shift + local ip_addr=$1; shift + + __run_on "$target" ip -j addr show to "$ip_addr" | jq -r '.[].ifname' +} + +# Whether the test is conforming to the requirements and usage described in +# drivers/net/README.rst. +: "${DRIVER_TEST_CONFORMANT:=no}" + +declare -A TARGETS + +# Based on DRIVER_TEST_CONFORMANT, decide if to source drivers/net/net.config +# or not. In the "yes" case, the test expects to pass the arguments through the +# variables specified in drivers/net/README.rst file. If not, fallback on +# parsing the script arguments for interface names. +if [ "${DRIVER_TEST_CONFORMANT}" = "yes" ]; then + if [[ -f $net_forwarding_dir/../../drivers/net/net.config ]]; then + source "$net_forwarding_dir/../../drivers/net/net.config" + fi + + if (( NUM_NETIFS > 2)); then + echo "SKIP: DRIVER_TEST_CONFORMANT=yes and NUM_NETIFS is bigger than 2" + exit "$ksft_skip" + fi + + check_env + + # Populate the NETIFS and TARGETS arrays automatically based on the + # environment variables. The TARGETS array is indexed by the network + # interface name keeping track of the target on which the interface + # resides. Values will be strings of the following format - + # <type>:<args>. + # + # TARGETS[eth0]="local:" - meaning that the eth0 interface is + # accessible locally + # TARGETS[eth1]="netns:foo" - eth1 is in the foo netns + # TARGETS[eth2]="ssh:root@10.0.0.2" - eth2 is accessible through + # running the 'ssh root@10.0.0.2' command. + + unset NETIFS + declare -A NETIFS + + NETIFS[p1]="$NETIF" + TARGETS[$NETIF]="local:" + + # Locate the name of the remote interface + remote_target="$REMOTE_TYPE:$REMOTE_ARGS" + if [[ -v REMOTE_V4 ]]; then + remote_netif=$(get_ifname_by_ip "$remote_target" "$REMOTE_V4") + else + remote_netif=$(get_ifname_by_ip "$remote_target" "$REMOTE_V6") + fi + if [[ ! -n "$remote_netif" ]]; then + echo "SKIP: cannot find remote interface" + exit "$ksft_skip" + fi + + if [[ "$NETIF" == "$remote_netif" ]]; then + echo "SKIP: local and remote interfaces cannot have the same name" + exit "$ksft_skip" + fi + + NETIFS[p2]="$remote_netif" + TARGETS[$remote_netif]="$REMOTE_TYPE:$REMOTE_ARGS" +else + count=0 + + while [[ $# -gt 0 ]]; do + if [[ "$count" -eq "0" ]]; then + unset NETIFS + declare -A NETIFS + fi + count=$((count + 1)) + NETIFS[p$count]="$1" + TARGETS[$1]="local:" + shift + done +fi ############################################################################## # Network interfaces configuration diff --git a/tools/testing/selftests/net/lib.sh b/tools/testing/selftests/net/lib.sh index b40694573f4c..3f79bf1ec977 100644 --- a/tools/testing/selftests/net/lib.sh +++ b/tools/testing/selftests/net/lib.sh @@ -670,3 +670,8 @@ cmd_jq() # return success only in case of non-empty output [ ! -z "$output" ] } + +run_on() +{ + shift; "$@" +} |