#!/bin/bash # SPDX-License-Identifier: GPL-2.0 # # Test if a bond interface works with lacp_active=off. # shellcheck disable=SC2034 REQUIRE_MZ=no NUM_NETIFS=0 lib_dir=$(dirname "$0") # shellcheck disable=SC1091 source "$lib_dir"/../../../net/forwarding/lib.sh # shellcheck disable=SC2317 check_port_state() { local netns=$1 local port=$2 local state=$3 ip -n "${netns}" -d -j link show "$port" | \ jq -e ".[].linkinfo.info_slave_data.ad_actor_oper_port_state_str | index(\"${state}\") != null" > /dev/null } check_pkt_count() { RET=0 local ns="$1" local iface="$2" # wait 65s, one per 30s slowwait_for_counter 65 2 tc_rule_handle_stats_get \ "dev ${iface} egress" 101 ".packets" "-n ${ns}" &> /dev/null } setup() { setup_ns c_ns s_ns # shellcheck disable=SC2154 ip -n "${c_ns}" link add eth0 type veth peer name eth0 netns "${s_ns}" ip -n "${c_ns}" link add eth1 type veth peer name eth1 netns "${s_ns}" # Add tc filter to count the pkts tc -n "${c_ns}" qdisc add dev eth0 clsact tc -n "${c_ns}" filter add dev eth0 egress handle 101 protocol 0x8809 matchall action pass tc -n "${s_ns}" qdisc add dev eth1 clsact tc -n "${s_ns}" filter add dev eth1 egress handle 101 protocol 0x8809 matchall action pass ip -n "${s_ns}" link add bond0 type bond mode 802.3ad lacp_active on lacp_rate fast ip -n "${s_ns}" link set eth0 master bond0 ip -n "${s_ns}" link set eth1 master bond0 ip -n "${c_ns}" link add bond0 type bond mode 802.3ad lacp_active off lacp_rate fast ip -n "${c_ns}" link set eth0 master bond0 ip -n "${c_ns}" link set eth1 master bond0 } trap cleanup_all_ns EXIT setup # The bond will send 2 lacpdu pkts during init time, let's wait at least 2s # after interface up ip -n "${c_ns}" link set bond0 up sleep 2 # 1. The passive side shouldn't send LACPDU. check_pkt_count "${c_ns}" "eth0" && RET=1 log_test "802.3ad lacp_active off" "init port" ip -n "${s_ns}" link set bond0 up # 2. The passive side should not have the 'active' flag. RET=0 slowwait 2 check_port_state "${c_ns}" "eth0" "active" && RET=1 log_test "802.3ad lacp_active off" "port state active" # 3. The active side should have the 'active' flag. RET=0 slowwait 2 check_port_state "${s_ns}" "eth0" "active" || RET=1 log_test "802.3ad lacp_active on" "port state active" # 4. Make sure the connection is not expired. RET=0 slowwait 5 check_port_state "${s_ns}" "eth0" "distributing" slowwait 10 check_port_state "${s_ns}" "eth0" "expired" && RET=1 log_test "bond 802.3ad lacp_active off" "port connection" # After testing, disconnect one port on each side to check the state. ip -n "${s_ns}" link set eth0 nomaster ip -n "${s_ns}" link set eth0 up ip -n "${c_ns}" link set eth1 nomaster ip -n "${c_ns}" link set eth1 up # Due to Periodic Machine and Rx Machine state change, the bond will still # send lacpdu pkts in a few seconds. sleep at lease 5s to make sure # negotiation finished sleep 5 # 5. The active side should keep sending LACPDU. check_pkt_count "${s_ns}" "eth1" || RET=1 log_test "bond 802.3ad lacp_active on" "port pkt after disconnect" # 6. The passive side shouldn't send LACPDU anymore. check_pkt_count "${c_ns}" "eth0" && RET=1 log_test "bond 802.3ad lacp_active off" "port pkt after disconnect" exit "$EXIT_STATUS"