diff options
Diffstat (limited to 'tools/testing/selftests/drivers/net/team/decoupled_enablement.sh')
| -rwxr-xr-x | tools/testing/selftests/drivers/net/team/decoupled_enablement.sh | 249 |
1 files changed, 249 insertions, 0 deletions
diff --git a/tools/testing/selftests/drivers/net/team/decoupled_enablement.sh b/tools/testing/selftests/drivers/net/team/decoupled_enablement.sh new file mode 100755 index 000000000000..0d3d9c98e9f5 --- /dev/null +++ b/tools/testing/selftests/drivers/net/team/decoupled_enablement.sh @@ -0,0 +1,249 @@ +#!/bin/bash +# SPDX-License-Identifier: GPL-2.0 + +# These tests verify the decoupled RX and TX enablement of team driver member +# interfaces. +# +# Topology +# +# +---------------------+ NS1 +# | test_team1 | +# | | | +# | eth0 | +# | | | +# | | | +# +---------------------+ +# | +# +---------------------+ NS2 +# | | | +# | | | +# | eth0 | +# | | | +# | test_team2 | +# +---------------------+ + +export ALL_TESTS=" + team_test_tx_enablement + team_test_rx_enablement +" + +test_dir="$(dirname "$0")" +# shellcheck disable=SC1091 +source "${test_dir}/../../../net/lib.sh" +# shellcheck disable=SC1091 +source "${test_dir}/team_lib.sh" + +NS1="" +NS2="" +export NODAD="nodad" +PREFIX_LENGTH="64" +NS1_IP="fd00::1" +NS2_IP="fd00::2" +NS1_IP4="192.168.0.1" +NS2_IP4="192.168.0.2" +MEMBERS=("eth0") +PING_COUNT=5 +PING_TIMEOUT_S=1 +PING_INTERVAL=0.1 + +while getopts "4" opt; do + case $opt in + 4) + echo "IPv4 mode selected." + export NODAD= + PREFIX_LENGTH="24" + NS1_IP="${NS1_IP4}" + NS2_IP="${NS2_IP4}" + ;; + \?) + echo "Invalid option: -$OPTARG" >&2 + exit 1 + ;; + esac +done + +# This has to be sourced after opts are gathered... +export REQUIRE_MZ=no +export NUM_NETIFS=0 +# shellcheck disable=SC1091 +source "${test_dir}/../../../net/forwarding/lib.sh" + +# Create the network namespaces, veth pair, and team devices in the specified +# mode. +# Globals: +# RET - Used by test infra, set by `check_err` functions. +# Arguments: +# mode - The team driver mode to use for the team devices. +environment_create() +{ + trap cleanup_all_ns EXIT + setup_ns ns1 ns2 + NS1="${NS_LIST[0]}" + NS2="${NS_LIST[1]}" + + # Create the interfaces. + ip -n "${NS1}" link add eth0 type veth peer name eth0 netns "${NS2}" + ip -n "${NS1}" link add test_team1 type team + ip -n "${NS2}" link add test_team2 type team + + # Set up the receiving network namespace's team interface. + setup_team "${NS2}" test_team2 roundrobin "${NS2_IP}" \ + "${PREFIX_LENGTH}" "${MEMBERS[@]}" +} + +# Set a particular option value for team or team port. +# Arguments: +# namespace - The namespace name that has the team. +# option_name - The option name to set. +# option_value - The value to set the option to. +# team_name - The name of team to set the option for. +# member_name - The (optional) optional name of the member port. +set_option_value() +{ + local namespace="$1" + local option_name="$2" + local option_value="$3" + local team_name="$4" + local member_name="$5" + local port_flag="--port=${member_name}" + + ip netns exec "${namespace}" teamnl "${team_name}" setoption \ + "${option_name}" "${option_value}" "${port_flag}" + return $? +} + +# Send some pings and return the ping command return value. +try_ping() +{ + ip netns exec "${NS1}" ping -i "${PING_INTERVAL}" -c "${PING_COUNT}" \ + "${NS2_IP}" -W "${PING_TIMEOUT_S}" +} + +# Checks tcpdump output from net/forwarding lib, and checks if there are any +# ICMP(4 or 6) packets. +# Arguments: +# interface - The interface name to search for. +# ip_address - The destination IP address (4 or 6) to search for. +did_interface_receive_icmp() +{ + local interface="$1" + local ip_address="$2" + local packet_count + + packet_count=$(tcpdump_show "$interface" | grep -c \ + "> ${ip_address}: ICMP") + echo "Packet count for ${interface} was ${packet_count}" + + if [[ "$packet_count" -gt 0 ]]; then + true + else + false + fi +} + +# Test JUST tx enablement with a given mode. +# Globals: +# RET - Used by test infra, set by `check_err` functions. +# Arguments: +# mode - The mode to set the team interfaces to. +team_test_mode_tx_enablement() +{ + local mode="$1" + export RET=0 + + # Set up the sender team with the correct mode. + setup_team "${NS1}" test_team1 "${mode}" "${NS1_IP}" \ + "${PREFIX_LENGTH}" "${MEMBERS[@]}" + check_err $? "Failed to set up sender team" + + ### Scenario 1: Member interface initially enabled. + # Expect ping to pass + try_ping + check_err $? "Ping failed when TX enabled" + + ### Scenario 2: One tx-side interface disabled. + # Expect ping to fail. + set_option_value "${NS1}" tx_enabled false test_team1 eth0 + check_err $? "Failed to disable TX" + tcpdump_start eth0 "${NS2}" + try_ping + check_fail $? "Ping succeeded when TX disabled" + tcpdump_stop eth0 + # Expect no packets to be transmitted, since TX is disabled. + did_interface_receive_icmp eth0 "${NS2_IP}" + check_fail $? "eth0 IS transmitting when TX disabled" + tcpdump_cleanup eth0 + + ### Scenario 3: The interface has tx re-enabled. + # Expect ping to pass. + set_option_value "${NS1}" tx_enabled true test_team1 eth0 + check_err $? "Failed to reenable TX" + try_ping + check_err $? "Ping failed when TX reenabled" + + log_test "TX failover of '${mode}' test" +} + +# Test JUST rx enablement with a given mode. +# Globals: +# RET - Used by test infra, set by `check_err` functions. +# Arguments: +# mode - The mode to set the team interfaces to. +team_test_mode_rx_enablement() +{ + local mode="$1" + export RET=0 + + # Set up the sender team with the correct mode. + setup_team "${NS1}" test_team1 "${mode}" "${NS1_IP}" \ + "${PREFIX_LENGTH}" "${MEMBERS[@]}" + check_err $? "Failed to set up sender team" + + ### Scenario 1: Member interface initially enabled. + # Expect ping to pass + try_ping + check_err $? "Ping failed when RX enabled" + + ### Scenario 2: One rx-side interface disabled. + # Expect ping to fail. + set_option_value "${NS1}" rx_enabled false test_team1 eth0 + check_err $? "Failed to disable RX" + tcpdump_start eth0 "${NS2}" + try_ping + check_fail $? "Ping succeeded when RX disabled" + tcpdump_stop eth0 + # Expect packets to be transmitted, since only RX is disabled. + did_interface_receive_icmp eth0 "${NS2_IP}" + check_err $? "eth0 not transmitting when RX disabled" + tcpdump_cleanup eth0 + + ### Scenario 3: The interface has rx re-enabled. + # Expect ping to pass. + set_option_value "${NS1}" rx_enabled true test_team1 eth0 + check_err $? "Failed to reenable RX" + try_ping + check_err $? "Ping failed when RX reenabled" + + log_test "RX failover of '${mode}' test" +} + +team_test_tx_enablement() +{ + team_test_mode_tx_enablement broadcast + team_test_mode_tx_enablement roundrobin + team_test_mode_tx_enablement random +} + +team_test_rx_enablement() +{ + team_test_mode_rx_enablement broadcast + team_test_mode_rx_enablement roundrobin + team_test_mode_rx_enablement random +} + +require_command teamnl +require_command tcpdump +require_command ping +environment_create +tests_run +exit "${EXIT_STATUS}" |