diff options
Diffstat (limited to 'tools/testing/selftests/drivers')
39 files changed, 3122 insertions, 329 deletions
diff --git a/tools/testing/selftests/drivers/net/.gitignore b/tools/testing/selftests/drivers/net/.gitignore index d634d8395d90..585ecb4d5dc4 100644 --- a/tools/testing/selftests/drivers/net/.gitignore +++ b/tools/testing/selftests/drivers/net/.gitignore @@ -1,2 +1,3 @@ # SPDX-License-Identifier: GPL-2.0-only napi_id_helper +psp_responder diff --git a/tools/testing/selftests/drivers/net/Makefile b/tools/testing/selftests/drivers/net/Makefile index 984ece05f7f9..bd3af9a34e2f 100644 --- a/tools/testing/selftests/drivers/net/Makefile +++ b/tools/testing/selftests/drivers/net/Makefile @@ -19,6 +19,7 @@ TEST_PROGS := \ netcons_sysdata.sh \ netpoll_basic.py \ ping.py \ + psp.py \ queues.py \ stats.py \ shaper.py \ @@ -26,4 +27,13 @@ TEST_PROGS := \ xdp.py \ # end of TEST_PROGS +# YNL files, must be before "include ..lib.mk" +YNL_GEN_FILES := psp_responder +TEST_GEN_FILES += $(YNL_GEN_FILES) + include ../../lib.mk + +# YNL build +YNL_GENS := psp + +include ../../net/ynl.mk diff --git a/tools/testing/selftests/drivers/net/bonding/Makefile b/tools/testing/selftests/drivers/net/bonding/Makefile index 2b10854e4b1e..2f095cf67d9a 100644 --- a/tools/testing/selftests/drivers/net/bonding/Makefile +++ b/tools/testing/selftests/drivers/net/bonding/Makefile @@ -10,7 +10,10 @@ TEST_PROGS := \ mode-2-recovery-updelay.sh \ bond_options.sh \ bond-eth-type-change.sh \ - bond_macvlan_ipvlan.sh + bond_macvlan_ipvlan.sh \ + bond_passive_lacp.sh \ + bond_lacp_prio.sh + bond_ipsec_offload.sh TEST_FILES := \ lag_lib.sh \ diff --git a/tools/testing/selftests/drivers/net/bonding/bond_ipsec_offload.sh b/tools/testing/selftests/drivers/net/bonding/bond_ipsec_offload.sh new file mode 100755 index 000000000000..f09e100232c7 --- /dev/null +++ b/tools/testing/selftests/drivers/net/bonding/bond_ipsec_offload.sh @@ -0,0 +1,156 @@ +#!/bin/bash +# SPDX-License-Identifier: GPL-2.0 + +# IPsec over bonding offload test: +# +# +----------------+ +# | bond0 | +# | | | +# | eth0 eth1 | +# +---+-------+----+ +# +# We use netdevsim instead of physical interfaces +#------------------------------------------------------------------- +# Example commands +# ip x s add proto esp src 192.0.2.1 dst 192.0.2.2 \ +# spi 0x07 mode transport reqid 0x07 replay-window 32 \ +# aead 'rfc4106(gcm(aes))' 1234567890123456dcba 128 \ +# sel src 192.0.2.1/24 dst 192.0.2.2/24 +# offload dev bond0 dir out +# ip x p add dir out src 192.0.2.1/24 dst 192.0.2.2/24 \ +# tmpl proto esp src 192.0.2.1 dst 192.0.2.2 \ +# spi 0x07 mode transport reqid 0x07 +# +#------------------------------------------------------------------- + +lib_dir=$(dirname "$0") +# shellcheck disable=SC1091 +source "$lib_dir"/../../../net/lib.sh +srcip=192.0.2.1 +dstip=192.0.2.2 +ipsec0=/sys/kernel/debug/netdevsim/netdevsim0/ports/0/ipsec +ipsec1=/sys/kernel/debug/netdevsim/netdevsim0/ports/1/ipsec +active_slave="" + +# shellcheck disable=SC2317 +active_slave_changed() +{ + local old_active_slave=$1 + local new_active_slave + + # shellcheck disable=SC2154 + new_active_slave=$(ip -n "${ns}" -d -j link show bond0 | \ + jq -r ".[].linkinfo.info_data.active_slave") + [ "$new_active_slave" != "$old_active_slave" ] && [ "$new_active_slave" != "null" ] +} + +test_offload() +{ + # use ping to exercise the Tx path + ip netns exec "$ns" ping -I bond0 -c 3 -W 1 -i 0 "$dstip" >/dev/null + + active_slave=$(ip -n "${ns}" -d -j link show bond0 | \ + jq -r ".[].linkinfo.info_data.active_slave") + + if [ "$active_slave" = "$nic0" ]; then + sysfs=$ipsec0 + elif [ "$active_slave" = "$nic1" ]; then + sysfs=$ipsec1 + else + check_err 1 "bond_ipsec_offload invalid active_slave $active_slave" + fi + + # The tx/rx order in sysfs may changed after failover + grep -q "SA count=2 tx=3" "$sysfs" && grep -q "tx ipaddr=$dstip" "$sysfs" + check_err $? "incorrect tx count with link ${active_slave}" + + log_test bond_ipsec_offload "active_slave ${active_slave}" +} + +setup_env() +{ + if ! mount | grep -q debugfs; then + mount -t debugfs none /sys/kernel/debug/ &> /dev/null + defer umount /sys/kernel/debug/ + + fi + + # setup netdevsim since dummy/veth dev doesn't have offload support + if [ ! -w /sys/bus/netdevsim/new_device ] ; then + if ! modprobe -q netdevsim; then + echo "SKIP: can't load netdevsim for ipsec offload" + # shellcheck disable=SC2154 + exit "$ksft_skip" + fi + defer modprobe -r netdevsim + fi + + setup_ns ns + defer cleanup_ns "$ns" +} + +setup_bond() +{ + ip -n "$ns" link add bond0 type bond mode active-backup miimon 100 + ip -n "$ns" addr add "$srcip/24" dev bond0 + ip -n "$ns" link set bond0 up + + echo "0 2" | ip netns exec "$ns" tee /sys/bus/netdevsim/new_device >/dev/null + nic0=$(ip netns exec "$ns" ls /sys/bus/netdevsim/devices/netdevsim0/net | head -n 1) + nic1=$(ip netns exec "$ns" ls /sys/bus/netdevsim/devices/netdevsim0/net | tail -n 1) + ip -n "$ns" link set "$nic0" master bond0 + ip -n "$ns" link set "$nic1" master bond0 + + # we didn't create a peer, make sure we can Tx by adding a permanent + # neighbour this need to be added after enslave + ip -n "$ns" neigh add "$dstip" dev bond0 lladdr 00:11:22:33:44:55 + + # create offloaded SAs, both in and out + ip -n "$ns" x p add dir out src "$srcip/24" dst "$dstip/24" \ + tmpl proto esp src "$srcip" dst "$dstip" spi 9 \ + mode transport reqid 42 + + ip -n "$ns" x p add dir in src "$dstip/24" dst "$srcip/24" \ + tmpl proto esp src "$dstip" dst "$srcip" spi 9 \ + mode transport reqid 42 + + ip -n "$ns" x s add proto esp src "$srcip" dst "$dstip" spi 9 \ + mode transport reqid 42 aead "rfc4106(gcm(aes))" \ + 0x3132333435363738393031323334353664636261 128 \ + sel src "$srcip/24" dst "$dstip/24" \ + offload dev bond0 dir out + + ip -n "$ns" x s add proto esp src "$dstip" dst "$srcip" spi 9 \ + mode transport reqid 42 aead "rfc4106(gcm(aes))" \ + 0x3132333435363738393031323334353664636261 128 \ + sel src "$dstip/24" dst "$srcip/24" \ + offload dev bond0 dir in + + # does offload show up in ip output + lines=$(ip -n "$ns" x s list | grep -c "crypto offload parameters: dev bond0 dir") + if [ "$lines" -ne 2 ] ; then + check_err 1 "bond_ipsec_offload SA offload missing from list output" + fi +} + +trap defer_scopes_cleanup EXIT +setup_env +setup_bond + +# start Offload testing +test_offload + +# do failover and re-test +ip -n "$ns" link set "$active_slave" down +slowwait 5 active_slave_changed "$active_slave" +test_offload + +# make sure offload get removed from driver +ip -n "$ns" x s flush +ip -n "$ns" x p flush +line0=$(grep -c "SA count=0" "$ipsec0") +line1=$(grep -c "SA count=0" "$ipsec1") +[ "$line0" -ne 1 ] || [ "$line1" -ne 1 ] +check_fail $? "bond_ipsec_offload SA not removed from driver" + +exit "$EXIT_STATUS" diff --git a/tools/testing/selftests/drivers/net/bonding/bond_lacp_prio.sh b/tools/testing/selftests/drivers/net/bonding/bond_lacp_prio.sh new file mode 100755 index 000000000000..a483d505c6a8 --- /dev/null +++ b/tools/testing/selftests/drivers/net/bonding/bond_lacp_prio.sh @@ -0,0 +1,108 @@ +#!/bin/bash +# SPDX-License-Identifier: GPL-2.0 +# +# Testing if bond lacp per port priority works +# +# Switch (s_ns) Backup Switch (b_ns) +# +-------------------------+ +-------------------------+ +# | bond0 | | bond0 | +# | + | | + | +# | eth0 | eth1 | | eth0 | eth1 | +# | +---+---+ | | +---+---+ | +# | | | | | | | | +# +-------------------------+ +-------------------------+ +# | | | | +# +-----------------------------------------------------+ +# | | | | | | +# | +-------+---------+---------+-------+ | +# | eth0 eth1 | eth2 eth3 | +# | + | +# | bond0 | +# +-----------------------------------------------------+ +# Client (c_ns) + +lib_dir=$(dirname "$0") +# shellcheck disable=SC1091 +source "$lib_dir"/../../../net/lib.sh + +setup_links() +{ + # 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}" + # shellcheck disable=SC2154 + ip -n "${c_ns}" link add eth2 type veth peer name eth0 netns "${b_ns}" + ip -n "${c_ns}" link add eth3 type veth peer name eth1 netns "${b_ns}" + + ip -n "${c_ns}" link add bond0 type bond mode 802.3ad miimon 100 \ + lacp_rate fast ad_select actor_port_prio + ip -n "${s_ns}" link add bond0 type bond mode 802.3ad miimon 100 \ + lacp_rate fast + ip -n "${b_ns}" link add bond0 type bond mode 802.3ad miimon 100 \ + lacp_rate fast + + ip -n "${c_ns}" link set eth0 master bond0 + ip -n "${c_ns}" link set eth1 master bond0 + ip -n "${c_ns}" link set eth2 master bond0 + ip -n "${c_ns}" link set eth3 master bond0 + ip -n "${s_ns}" link set eth0 master bond0 + ip -n "${s_ns}" link set eth1 master bond0 + ip -n "${b_ns}" link set eth0 master bond0 + ip -n "${b_ns}" link set eth1 master bond0 + + ip -n "${c_ns}" link set bond0 up + ip -n "${s_ns}" link set bond0 up + ip -n "${b_ns}" link set bond0 up +} + +test_port_prio_setting() +{ + RET=0 + ip -n "${c_ns}" link set eth0 type bond_slave actor_port_prio 1000 + prio=$(cmd_jq "ip -n ${c_ns} -d -j link show eth0" \ + ".[].linkinfo.info_slave_data.actor_port_prio") + [ "$prio" -ne 1000 ] && RET=1 + ip -n "${c_ns}" link set eth2 type bond_slave actor_port_prio 10 + prio=$(cmd_jq "ip -n ${c_ns} -d -j link show eth2" \ + ".[].linkinfo.info_slave_data.actor_port_prio") + [ "$prio" -ne 10 ] && RET=1 +} + +test_agg_reselect() +{ + local bond_agg_id slave_agg_id + local expect_slave="$1" + RET=0 + + # Trigger link state change to reselect the aggregator + ip -n "${c_ns}" link set eth1 down + sleep 0.5 + ip -n "${c_ns}" link set eth1 up + sleep 0.5 + + bond_agg_id=$(cmd_jq "ip -n ${c_ns} -d -j link show bond0" \ + ".[].linkinfo.info_data.ad_info.aggregator") + slave_agg_id=$(cmd_jq "ip -n ${c_ns} -d -j link show $expect_slave" \ + ".[].linkinfo.info_slave_data.ad_aggregator_id") + # shellcheck disable=SC2034 + [ "${bond_agg_id}" -ne "${slave_agg_id}" ] && \ + RET=1 +} + +trap cleanup_all_ns EXIT +setup_ns c_ns s_ns b_ns +setup_links + +test_port_prio_setting +log_test "bond 802.3ad" "actor_port_prio setting" + +test_agg_reselect eth0 +log_test "bond 802.3ad" "actor_port_prio select" + +# Change the actor port prio and re-test +ip -n "${c_ns}" link set eth0 type bond_slave actor_port_prio 10 +ip -n "${c_ns}" link set eth2 type bond_slave actor_port_prio 1000 +test_agg_reselect eth2 +log_test "bond 802.3ad" "actor_port_prio switch" + +exit "${EXIT_STATUS}" diff --git a/tools/testing/selftests/drivers/net/bonding/bond_options.sh b/tools/testing/selftests/drivers/net/bonding/bond_options.sh index 7bc148889ca7..187b478d0ddf 100755 --- a/tools/testing/selftests/drivers/net/bonding/bond_options.sh +++ b/tools/testing/selftests/drivers/net/bonding/bond_options.sh @@ -7,6 +7,8 @@ ALL_TESTS=" prio arp_validate num_grat_arp + fail_over_mac + vlan_over_bond " lib_dir=$(dirname "$0") @@ -352,8 +354,8 @@ garp_test() exp_num=$(echo "${param}" | cut -f6 -d ' ') active_slave=$(cmd_jq "ip -n ${s_ns} -d -j link show bond0" ".[].linkinfo.info_data.active_slave") - slowwait_for_counter $((exp_num + 5)) $exp_num \ - tc_rule_handle_stats_get "dev s${active_slave#eth} ingress" 101 ".packets" "-n ${g_ns}" + slowwait_for_counter $((exp_num + 5)) $exp_num tc_rule_handle_stats_get \ + "dev s${active_slave#eth} ingress" 101 ".packets" "-n ${g_ns}" &> /dev/null # check result real_num=$(tc_rule_handle_stats_get "dev s${active_slave#eth} ingress" 101 ".packets" "-n ${g_ns}") @@ -376,6 +378,197 @@ num_grat_arp() done } +check_all_mac_same() +{ + RET=0 + # all slaves should have same mac address (with the first port's mac) + local bond_mac=$(ip -n "$s_ns" -j link show bond0 | jq -r '.[]["address"]') + local eth0_mac=$(ip -n "$s_ns" -j link show eth0 | jq -r '.[]["address"]') + local eth1_mac=$(ip -n "$s_ns" -j link show eth1 | jq -r '.[]["address"]') + local eth2_mac=$(ip -n "$s_ns" -j link show eth2 | jq -r '.[]["address"]') + if [ "$bond_mac" != "${mac[0]}" ] || [ "$eth0_mac" != "$bond_mac" ] || \ + [ "$eth1_mac" != "$bond_mac" ] || [ "$eth2_mac" != "$bond_mac" ]; then + RET=1 + fi +} + +check_bond_mac_same_with_first() +{ + RET=0 + # bond mac address should be same with the first added slave + local bond_mac=$(ip -n "$s_ns" -j link show bond0 | jq -r '.[]["address"]') + if [ "$bond_mac" != "${mac[0]}" ]; then + RET=1 + fi +} + +check_bond_mac_same_with_active() +{ + RET=0 + # bond mac address should be same with active slave + local bond_mac=$(ip -n "$s_ns" -j link show bond0 | jq -r '.[]["address"]') + local active_slave=$(cmd_jq "ip -n ${s_ns} -d -j link show bond0" ".[].linkinfo.info_data.active_slave") + local active_slave_mac=$(ip -n "$s_ns" -j link show "$active_slave" | jq -r '.[]["address"]') + if [ "$bond_mac" != "$active_slave_mac" ]; then + RET=1 + fi +} + +check_backup_slave_mac_not_change() +{ + RET=0 + # backup slave's mac address is not changed + if ip -n "$s_ns" -d -j link show type bond_slave | jq -e '.[] + | select(.linkinfo.info_slave_data.state=="BACKUP") + | select(.address != .linkinfo.info_slave_data.perm_hwaddr)' &> /dev/null; then + RET=1 + fi +} + +check_backup_slave_mac_inherit() +{ + local backup_mac + RET=0 + + # backup slaves should use mac[1] or mac[2] + local backup_macs=$(ip -n "$s_ns" -d -j link show type bond_slave | \ + jq -r '.[] | select(.linkinfo.info_slave_data.state=="BACKUP") | .address') + for backup_mac in $backup_macs; do + if [ "$backup_mac" != "${mac[1]}" ] && [ "$backup_mac" != "${mac[2]}" ]; then + RET=1 + fi + done +} + +check_first_slave_random_mac() +{ + RET=0 + # remove the first added slave and added it back + ip -n "$s_ns" link set eth0 nomaster + ip -n "$s_ns" link set eth0 master bond0 + + # the first slave should use random mac address + eth0_mac=$(ip -n "$s_ns" -j link show eth0 | jq -r '.[]["address"]') + [ "$eth0_mac" = "${mac[0]}" ] && RET=1 + log_test "bond fail_over_mac follow" "random first slave mac" + + # remove the first slave, the permanent MAC address should be restored back + ip -n "$s_ns" link set eth0 nomaster + eth0_mac=$(ip -n "$s_ns" -j link show eth0 | jq -r '.[]["address"]') + [ "$eth0_mac" != "${mac[0]}" ] && RET=1 +} + +do_active_backup_failover() +{ + local active_slave=$(cmd_jq "ip -n ${s_ns} -d -j link show bond0" ".[].linkinfo.info_data.active_slave") + ip -n ${s_ns} link set ${active_slave} down + slowwait 2 active_slave_changed $active_slave + ip -n ${s_ns} link set ${active_slave} up +} + +fail_over_mac() +{ + # Bring down the first interface on the switch to force the bond to + # select another active interface instead of the first one that joined. + ip -n "$g_ns" link set s0 down + + # fail_over_mac none + bond_reset "mode active-backup miimon 100 fail_over_mac 0" + check_all_mac_same + log_test "fail_over_mac 0" "all slaves have same mac" + do_active_backup_failover + check_all_mac_same + log_test "fail_over_mac 0" "failover: all slaves have same mac" + + # fail_over_mac active + bond_reset "mode active-backup miimon 100 fail_over_mac 1" + check_bond_mac_same_with_active + log_test "fail_over_mac 1" "bond mac is same with active slave mac" + check_backup_slave_mac_not_change + log_test "fail_over_mac 1" "backup slave mac is not changed" + do_active_backup_failover + check_bond_mac_same_with_active + log_test "fail_over_mac 1" "failover: bond mac is same with active slave mac" + check_backup_slave_mac_not_change + log_test "fail_over_mac 1" "failover: backup slave mac is not changed" + + # fail_over_mac follow + bond_reset "mode active-backup miimon 100 fail_over_mac 2" + check_bond_mac_same_with_first + log_test "fail_over_mac 2" "bond mac is same with first slave mac" + check_bond_mac_same_with_active + log_test "fail_over_mac 2" "bond mac is same with active slave mac" + check_backup_slave_mac_inherit + log_test "fail_over_mac 2" "backup slave mac inherit" + do_active_backup_failover + check_bond_mac_same_with_first + log_test "fail_over_mac 2" "failover: bond mac is same with first slave mac" + check_bond_mac_same_with_active + log_test "fail_over_mac 2" "failover: bond mac is same with active slave mac" + check_backup_slave_mac_inherit + log_test "fail_over_mac 2" "failover: backup slave mac inherit" + check_first_slave_random_mac + log_test "fail_over_mac 2" "first slave mac random" +} + +vlan_over_bond_arp() +{ + local mode="$1" + RET=0 + + bond_reset "mode $mode arp_interval 100 arp_ip_target 192.0.3.10" + ip -n "${s_ns}" link add bond0.3 link bond0 type vlan id 3 + ip -n "${s_ns}" link set bond0.3 up + ip -n "${s_ns}" addr add 192.0.3.1/24 dev bond0.3 + ip -n "${s_ns}" addr add 2001:db8::3:1/64 dev bond0.3 + + slowwait_for_counter 5 5 tc_rule_handle_stats_get \ + "dev eth0.3 ingress" 101 ".packets" "-n ${c_ns}" &> /dev/null || RET=1 + log_test "vlan over bond arp" "$mode" +} + +vlan_over_bond_ns() +{ + local mode="$1" + RET=0 + + if skip_ns; then + log_test_skip "vlan_over_bond ns" "$mode" + return 0 + fi + + bond_reset "mode $mode arp_interval 100 ns_ip6_target 2001:db8::3:10" + ip -n "${s_ns}" link add bond0.3 link bond0 type vlan id 3 + ip -n "${s_ns}" link set bond0.3 up + ip -n "${s_ns}" addr add 192.0.3.1/24 dev bond0.3 + ip -n "${s_ns}" addr add 2001:db8::3:1/64 dev bond0.3 + + slowwait_for_counter 5 5 tc_rule_handle_stats_get \ + "dev eth0.3 ingress" 102 ".packets" "-n ${c_ns}" &> /dev/null || RET=1 + log_test "vlan over bond ns" "$mode" +} + +vlan_over_bond() +{ + # add vlan 3 for client + ip -n "${c_ns}" link add eth0.3 link eth0 type vlan id 3 + ip -n "${c_ns}" link set eth0.3 up + ip -n "${c_ns}" addr add 192.0.3.10/24 dev eth0.3 + ip -n "${c_ns}" addr add 2001:db8::3:10/64 dev eth0.3 + + # Add tc rule to check the vlan pkts + tc -n "${c_ns}" qdisc add dev eth0.3 clsact + tc -n "${c_ns}" filter add dev eth0.3 ingress protocol arp \ + handle 101 flower skip_hw arp_op request \ + arp_sip 192.0.3.1 arp_tip 192.0.3.10 action pass + tc -n "${c_ns}" filter add dev eth0.3 ingress protocol ipv6 \ + handle 102 flower skip_hw ip_proto icmpv6 \ + type 135 src_ip 2001:db8::3:1 action pass + + vlan_over_bond_arp "active-backup" + vlan_over_bond_ns "active-backup" +} + trap cleanup EXIT setup_prepare diff --git a/tools/testing/selftests/drivers/net/bonding/bond_passive_lacp.sh b/tools/testing/selftests/drivers/net/bonding/bond_passive_lacp.sh new file mode 100755 index 000000000000..9c3b089813df --- /dev/null +++ b/tools/testing/selftests/drivers/net/bonding/bond_passive_lacp.sh @@ -0,0 +1,105 @@ +#!/bin/bash +# SPDX-License-Identifier: GPL-2.0 +# +# Test if a bond interface works with lacp_active=off. + +# shellcheck disable=SC2034 +REQUIRE_MZ=no +NUM_NETIFS=0 +lib_dir=$(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" diff --git a/tools/testing/selftests/drivers/net/bonding/bond_topo_2d1c.sh b/tools/testing/selftests/drivers/net/bonding/bond_topo_2d1c.sh index 195ef83cfbf1..167aa4a4a12a 100644 --- a/tools/testing/selftests/drivers/net/bonding/bond_topo_2d1c.sh +++ b/tools/testing/selftests/drivers/net/bonding/bond_topo_2d1c.sh @@ -39,6 +39,8 @@ g_ip4="192.0.2.254" s_ip6="2001:db8::1" c_ip6="2001:db8::10" g_ip6="2001:db8::254" +mac[0]="00:0a:0b:0c:0d:01" +mac[1]="00:0a:0b:0c:0d:02" gateway_create() { @@ -62,6 +64,7 @@ server_create() for i in $(seq 0 1); do ip -n ${s_ns} link add eth${i} type veth peer name s${i} netns ${g_ns} + ip -n "${s_ns}" link set "eth${i}" addr "${mac[$i]}" ip -n ${g_ns} link set s${i} up ip -n ${g_ns} link set s${i} master br0 diff --git a/tools/testing/selftests/drivers/net/bonding/bond_topo_3d1c.sh b/tools/testing/selftests/drivers/net/bonding/bond_topo_3d1c.sh index 3a1333d9a85b..23a2932301cc 100644 --- a/tools/testing/selftests/drivers/net/bonding/bond_topo_3d1c.sh +++ b/tools/testing/selftests/drivers/net/bonding/bond_topo_3d1c.sh @@ -26,6 +26,7 @@ # +-------------------------------------+ source bond_topo_2d1c.sh +mac[2]="00:0a:0b:0c:0d:03" setup_prepare() { @@ -36,6 +37,7 @@ setup_prepare() # Add the extra device as we use 3 down links for bond0 local i=2 ip -n ${s_ns} link add eth${i} type veth peer name s${i} netns ${g_ns} + ip -n "${s_ns}" link set "eth${i}" addr "${mac[$i]}" ip -n ${g_ns} link set s${i} up ip -n ${g_ns} link set s${i} master br0 ip -n ${s_ns} link set eth${i} master bond0 diff --git a/tools/testing/selftests/drivers/net/bonding/config b/tools/testing/selftests/drivers/net/bonding/config index dad4e5fda4db..e5b7a8db4dfa 100644 --- a/tools/testing/selftests/drivers/net/bonding/config +++ b/tools/testing/selftests/drivers/net/bonding/config @@ -6,6 +6,12 @@ CONFIG_MACVLAN=y CONFIG_IPVLAN=y CONFIG_NET_ACT_GACT=y CONFIG_NET_CLS_FLOWER=y +CONFIG_NET_CLS_MATCHALL=m CONFIG_NET_SCH_INGRESS=y CONFIG_NLMON=y CONFIG_VETH=y +CONFIG_VLAN_8021Q=m +CONFIG_INET_ESP=y +CONFIG_INET_ESP_OFFLOAD=y +CONFIG_XFRM_USER=m +CONFIG_NETDEVSIM=m diff --git a/tools/testing/selftests/drivers/net/config b/tools/testing/selftests/drivers/net/config index f27172ddee0a..601431248d5b 100644 --- a/tools/testing/selftests/drivers/net/config +++ b/tools/testing/selftests/drivers/net/config @@ -1,6 +1,9 @@ +CONFIG_CONFIGFS_FS=y +CONFIG_DEBUG_INFO_BTF=y +CONFIG_DEBUG_INFO_BTF_MODULES=n +CONFIG_INET_PSP=y CONFIG_IPV6=y CONFIG_NETDEVSIM=m -CONFIG_CONFIGFS_FS=y CONFIG_NETCONSOLE=m CONFIG_NETCONSOLE_DYNAMIC=y CONFIG_NETCONSOLE_EXTENDED_LOG=y diff --git a/tools/testing/selftests/drivers/net/hds.py b/tools/testing/selftests/drivers/net/hds.py index 7c90a040ce45..a2011474e625 100755 --- a/tools/testing/selftests/drivers/net/hds.py +++ b/tools/testing/selftests/drivers/net/hds.py @@ -3,6 +3,7 @@ import errno import os +from typing import Union from lib.py import ksft_run, ksft_exit, ksft_eq, ksft_raises, KsftSkipEx from lib.py import CmdExitFailure, EthtoolFamily, NlError from lib.py import NetDrvEnv @@ -58,7 +59,39 @@ def get_hds_thresh(cfg, netnl) -> None: if 'hds-thresh' not in rings: raise KsftSkipEx('hds-thresh not supported by device') + +def _hds_reset(cfg, netnl, rings) -> None: + cur = netnl.rings_get({'header': {'dev-index': cfg.ifindex}}) + + arg = {'header': {'dev-index': cfg.ifindex}} + if cur.get('tcp-data-split') != rings.get('tcp-data-split'): + # Try to reset to "unknown" first, we don't know if the setting + # was the default or user chose it. Default seems more likely. + arg['tcp-data-split'] = "unknown" + netnl.rings_set(arg) + cur = netnl.rings_get({'header': {'dev-index': cfg.ifindex}}) + if cur['tcp-data-split'] == rings['tcp-data-split']: + del arg['tcp-data-split'] + else: + # Try the explicit setting + arg['tcp-data-split'] = rings['tcp-data-split'] + if cur.get('hds-thresh') != rings.get('hds-thresh'): + arg['hds-thresh'] = rings['hds-thresh'] + if len(arg) > 1: + netnl.rings_set(arg) + + +def _defer_reset_hds(cfg, netnl) -> Union[dict, None]: + try: + rings = netnl.rings_get({'header': {'dev-index': cfg.ifindex}}) + if 'hds-thresh' in rings or 'tcp-data-split' in rings: + defer(_hds_reset, cfg, netnl, rings) + except NlError as e: + pass + + def set_hds_enable(cfg, netnl) -> None: + _defer_reset_hds(cfg, netnl) try: netnl.rings_set({'header': {'dev-index': cfg.ifindex}, 'tcp-data-split': 'enabled'}) except NlError as e: @@ -76,6 +109,7 @@ def set_hds_enable(cfg, netnl) -> None: ksft_eq('enabled', rings['tcp-data-split']) def set_hds_disable(cfg, netnl) -> None: + _defer_reset_hds(cfg, netnl) try: netnl.rings_set({'header': {'dev-index': cfg.ifindex}, 'tcp-data-split': 'disabled'}) except NlError as e: @@ -93,6 +127,7 @@ def set_hds_disable(cfg, netnl) -> None: ksft_eq('disabled', rings['tcp-data-split']) def set_hds_thresh_zero(cfg, netnl) -> None: + _defer_reset_hds(cfg, netnl) try: netnl.rings_set({'header': {'dev-index': cfg.ifindex}, 'hds-thresh': 0}) except NlError as e: @@ -110,6 +145,7 @@ def set_hds_thresh_zero(cfg, netnl) -> None: ksft_eq(0, rings['hds-thresh']) def set_hds_thresh_random(cfg, netnl) -> None: + _defer_reset_hds(cfg, netnl) try: rings = netnl.rings_get({'header': {'dev-index': cfg.ifindex}}) except NlError as e: @@ -140,6 +176,7 @@ def set_hds_thresh_random(cfg, netnl) -> None: ksft_eq(hds_thresh, rings['hds-thresh']) def set_hds_thresh_max(cfg, netnl) -> None: + _defer_reset_hds(cfg, netnl) try: rings = netnl.rings_get({'header': {'dev-index': cfg.ifindex}}) except NlError as e: @@ -157,6 +194,7 @@ def set_hds_thresh_max(cfg, netnl) -> None: ksft_eq(rings['hds-thresh'], rings['hds-thresh-max']) def set_hds_thresh_gt(cfg, netnl) -> None: + _defer_reset_hds(cfg, netnl) try: rings = netnl.rings_get({'header': {'dev-index': cfg.ifindex}}) except NlError as e: @@ -178,6 +216,7 @@ def set_xdp(cfg, netnl) -> None: """ mode = _get_hds_mode(cfg, netnl) if mode == 'enabled': + _defer_reset_hds(cfg, netnl) netnl.rings_set({'header': {'dev-index': cfg.ifindex}, 'tcp-data-split': 'unknown'}) diff --git a/tools/testing/selftests/drivers/net/hw/Makefile b/tools/testing/selftests/drivers/net/hw/Makefile index fdc97355588c..ee09a40d532c 100644 --- a/tools/testing/selftests/drivers/net/hw/Makefile +++ b/tools/testing/selftests/drivers/net/hw/Makefile @@ -15,9 +15,11 @@ TEST_PROGS = \ iou-zcrx.py \ irq.py \ loopback.sh \ + nic_timestamp.py \ pp_alloc_fail.py \ rss_api.py \ rss_ctx.py \ + rss_flow_label.py \ rss_input_xfrm.py \ tso.py \ xsk_reconfig.py \ diff --git a/tools/testing/selftests/drivers/net/hw/config b/tools/testing/selftests/drivers/net/hw/config index 88ae719e6f8f..e8a06aa1471c 100644 --- a/tools/testing/selftests/drivers/net/hw/config +++ b/tools/testing/selftests/drivers/net/hw/config @@ -1,5 +1,7 @@ +CONFIG_IO_URING=y CONFIG_IPV6=y CONFIG_IPV6_GRE=y CONFIG_NET_IPGRE=y CONFIG_NET_IPGRE_DEMUX=y +CONFIG_UDMABUF=y CONFIG_VXLAN=y diff --git a/tools/testing/selftests/drivers/net/hw/csum.py b/tools/testing/selftests/drivers/net/hw/csum.py index cd23af875317..3e3a89a34afe 100755 --- a/tools/testing/selftests/drivers/net/hw/csum.py +++ b/tools/testing/selftests/drivers/net/hw/csum.py @@ -17,7 +17,7 @@ def test_receive(cfg, ipver="6", extra_args=None): ip_args = f"-{ipver} -S {cfg.remote_addr_v[ipver]} -D {cfg.addr_v[ipver]}" rx_cmd = f"{cfg.bin_local} -i {cfg.ifname} -n 100 {ip_args} -r 1 -R {extra_args}" - tx_cmd = f"{cfg.bin_remote} -i {cfg.ifname} -n 100 {ip_args} -r 1 -T {extra_args}" + tx_cmd = f"{cfg.bin_remote} -i {cfg.remote_ifname} -n 100 {ip_args} -r 1 -T {extra_args}" with bkg(rx_cmd, exit_wait=True): wait_port_listen(34000, proto="udp") @@ -37,7 +37,7 @@ def test_transmit(cfg, ipver="6", extra_args=None): if extra_args != "-U -Z": extra_args += " -r 1" - rx_cmd = f"{cfg.bin_remote} -i {cfg.ifname} -L 1 -n 100 {ip_args} -R {extra_args}" + rx_cmd = f"{cfg.bin_remote} -i {cfg.remote_ifname} -L 1 -n 100 {ip_args} -R {extra_args}" tx_cmd = f"{cfg.bin_local} -i {cfg.ifname} -L 1 -n 100 {ip_args} -T {extra_args}" with bkg(rx_cmd, host=cfg.remote, exit_wait=True): diff --git a/tools/testing/selftests/drivers/net/hw/devmem.py b/tools/testing/selftests/drivers/net/hw/devmem.py index baa2f24240ba..45c2d49d55b6 100755 --- a/tools/testing/selftests/drivers/net/hw/devmem.py +++ b/tools/testing/selftests/drivers/net/hw/devmem.py @@ -24,7 +24,7 @@ def check_rx(cfg) -> None: require_devmem(cfg) port = rand_port() - socat = f"socat -u - TCP{cfg.addr_ipver}:{cfg.addr}:{port},bind={cfg.remote_addr}:{port}" + socat = f"socat -u - TCP{cfg.addr_ipver}:{cfg.baddr}:{port},bind={cfg.remote_baddr}:{port}" listen_cmd = f"{cfg.bin_local} -l -f {cfg.ifname} -s {cfg.addr} -p {port} -c {cfg.remote_addr} -v 7" with bkg(listen_cmd, exit_wait=True) as ncdevmem: @@ -42,9 +42,9 @@ def check_tx(cfg) -> None: port = rand_port() listen_cmd = f"socat -U - TCP{cfg.addr_ipver}-LISTEN:{port}" - with bkg(listen_cmd) as socat: - wait_port_listen(port) - cmd(f"echo -e \"hello\\nworld\"| {cfg.bin_remote} -f {cfg.ifname} -s {cfg.addr} -p {port}", host=cfg.remote, shell=True) + with bkg(listen_cmd, host=cfg.remote, exit_wait=True) as socat: + wait_port_listen(port, host=cfg.remote) + cmd(f"echo -e \"hello\\nworld\"| {cfg.bin_local} -f {cfg.ifname} -s {cfg.remote_addr} -p {port}", shell=True) ksft_eq(socat.stdout.strip(), "hello\nworld") @@ -56,9 +56,9 @@ def check_tx_chunks(cfg) -> None: port = rand_port() listen_cmd = f"socat -U - TCP{cfg.addr_ipver}-LISTEN:{port}" - with bkg(listen_cmd, exit_wait=True) as socat: - wait_port_listen(port) - cmd(f"echo -e \"hello\\nworld\"| {cfg.bin_remote} -f {cfg.ifname} -s {cfg.addr} -p {port} -z 3", host=cfg.remote, shell=True) + with bkg(listen_cmd, host=cfg.remote, exit_wait=True) as socat: + wait_port_listen(port, host=cfg.remote) + cmd(f"echo -e \"hello\\nworld\"| {cfg.bin_local} -f {cfg.ifname} -s {cfg.remote_addr} -p {port} -z 3", shell=True) ksft_eq(socat.stdout.strip(), "hello\nworld") diff --git a/tools/testing/selftests/drivers/net/hw/lib/py/__init__.py b/tools/testing/selftests/drivers/net/hw/lib/py/__init__.py index 1462a339a74b..0ceb297e7757 100644 --- a/tools/testing/selftests/drivers/net/hw/lib/py/__init__.py +++ b/tools/testing/selftests/drivers/net/hw/lib/py/__init__.py @@ -13,7 +13,7 @@ try: # Import one by one to avoid pylint false positives from net.lib.py import EthtoolFamily, NetdevFamily, NetshaperFamily, \ - NlError, RtnlFamily, DevlinkFamily + NlError, RtnlFamily, DevlinkFamily, PSPFamily from net.lib.py import CmdExitFailure from net.lib.py import bkg, cmd, defer, ethtool, fd_read_timeout, ip, \ rand_port, tool, wait_port_listen @@ -22,7 +22,7 @@ try: from net.lib.py import ksft_disruptive, ksft_exit, ksft_pr, ksft_run, \ ksft_setup from net.lib.py import ksft_eq, ksft_ge, ksft_in, ksft_is, ksft_lt, \ - ksft_ne, ksft_not_in, ksft_raises, ksft_true + ksft_ne, ksft_not_in, ksft_raises, ksft_true, ksft_gt, ksft_not_none from net.lib.py import NetNSEnter from drivers.net.lib.py import GenerateTraffic from drivers.net.lib.py import NetDrvEnv, NetDrvEpEnv diff --git a/tools/testing/selftests/drivers/net/hw/ncdevmem.c b/tools/testing/selftests/drivers/net/hw/ncdevmem.c index 72f828021f83..3288ed04ce08 100644 --- a/tools/testing/selftests/drivers/net/hw/ncdevmem.c +++ b/tools/testing/selftests/drivers/net/hw/ncdevmem.c @@ -39,6 +39,7 @@ #define __EXPORTED_HEADERS__ #include <linux/uio.h> +#include <stdarg.h> #include <stdio.h> #include <stdlib.h> #include <unistd.h> @@ -97,6 +98,10 @@ static unsigned int dmabuf_id; static uint32_t tx_dmabuf_id; static int waittime_ms = 500; +/* System state loaded by current_config_load() */ +#define MAX_FLOWS 8 +static int ntuple_ids[MAX_FLOWS] = { -1, -1, -1, -1, -1, -1, -1, -1, }; + struct memory_buffer { int fd; size_t size; @@ -115,6 +120,21 @@ struct memory_provider { size_t off, int n); }; +static void pr_err(const char *fmt, ...) +{ + va_list args; + + fprintf(stderr, "%s: ", TEST_PREFIX); + + va_start(args, fmt); + vfprintf(stderr, fmt, args); + va_end(args); + + if (errno != 0) + fprintf(stderr, ": %s", strerror(errno)); + fprintf(stderr, "\n"); +} + static struct memory_buffer *udmabuf_alloc(size_t size) { struct udmabuf_create create; @@ -123,27 +143,33 @@ static struct memory_buffer *udmabuf_alloc(size_t size) ctx = malloc(sizeof(*ctx)); if (!ctx) - error(1, ENOMEM, "malloc failed"); + return NULL; ctx->size = size; ctx->devfd = open("/dev/udmabuf", O_RDWR); - if (ctx->devfd < 0) - error(1, errno, - "%s: [skip,no-udmabuf: Unable to access DMA buffer device file]\n", - TEST_PREFIX); + if (ctx->devfd < 0) { + pr_err("[skip,no-udmabuf: Unable to access DMA buffer device file]"); + goto err_free_ctx; + } ctx->memfd = memfd_create("udmabuf-test", MFD_ALLOW_SEALING); - if (ctx->memfd < 0) - error(1, errno, "%s: [skip,no-memfd]\n", TEST_PREFIX); + if (ctx->memfd < 0) { + pr_err("[skip,no-memfd]"); + goto err_close_dev; + } ret = fcntl(ctx->memfd, F_ADD_SEALS, F_SEAL_SHRINK); - if (ret < 0) - error(1, errno, "%s: [skip,fcntl-add-seals]\n", TEST_PREFIX); + if (ret < 0) { + pr_err("[skip,fcntl-add-seals]"); + goto err_close_memfd; + } ret = ftruncate(ctx->memfd, size); - if (ret == -1) - error(1, errno, "%s: [FAIL,memfd-truncate]\n", TEST_PREFIX); + if (ret == -1) { + pr_err("[FAIL,memfd-truncate]"); + goto err_close_memfd; + } memset(&create, 0, sizeof(create)); @@ -151,15 +177,29 @@ static struct memory_buffer *udmabuf_alloc(size_t size) create.offset = 0; create.size = size; ctx->fd = ioctl(ctx->devfd, UDMABUF_CREATE, &create); - if (ctx->fd < 0) - error(1, errno, "%s: [FAIL, create udmabuf]\n", TEST_PREFIX); + if (ctx->fd < 0) { + pr_err("[FAIL, create udmabuf]"); + goto err_close_fd; + } ctx->buf_mem = mmap(NULL, size, PROT_READ | PROT_WRITE, MAP_SHARED, ctx->fd, 0); - if (ctx->buf_mem == MAP_FAILED) - error(1, errno, "%s: [FAIL, map udmabuf]\n", TEST_PREFIX); + if (ctx->buf_mem == MAP_FAILED) { + pr_err("[FAIL, map udmabuf]"); + goto err_close_fd; + } return ctx; + +err_close_fd: + close(ctx->fd); +err_close_memfd: + close(ctx->memfd); +err_close_dev: + close(ctx->devfd); +err_free_ctx: + free(ctx); + return NULL; } static void udmabuf_free(struct memory_buffer *ctx) @@ -217,7 +257,7 @@ static void print_nonzero_bytes(void *ptr, size_t size) putchar(p[i]); } -void validate_buffer(void *line, size_t size) +int validate_buffer(void *line, size_t size) { static unsigned char seed = 1; unsigned char *ptr = line; @@ -232,8 +272,10 @@ void validate_buffer(void *line, size_t size) "Failed validation: expected=%u, actual=%u, index=%lu\n", expected, ptr[i], i); errors++; - if (errors > 20) - error(1, 0, "validation failed."); + if (errors > 20) { + pr_err("validation failed"); + return -1; + } } seed++; if (seed == do_validation) @@ -241,6 +283,86 @@ void validate_buffer(void *line, size_t size) } fprintf(stdout, "Validated buffer\n"); + return 0; +} + +static int +__run_command(char *out, size_t outlen, const char *cmd, va_list args) +{ + char command[256]; + FILE *fp; + + vsnprintf(command, sizeof(command), cmd, args); + + fprintf(stderr, "Running: %s\n", command); + fp = popen(command, "r"); + if (!fp) + return -1; + if (out) { + size_t len; + + if (!fgets(out, outlen, fp)) + return -1; + + /* Remove trailing newline if present */ + len = strlen(out); + if (len && out[len - 1] == '\n') + out[len - 1] = '\0'; + } + return pclose(fp); +} + +static int run_command(const char *cmd, ...) +{ + va_list args; + int ret; + + va_start(args, cmd); + ret = __run_command(NULL, 0, cmd, args); + va_end(args); + + return ret; +} + +static int ethtool_add_flow(const char *format, ...) +{ + char local_output[256], cmd[256]; + const char *id_start; + int flow_idx, ret; + char *endptr; + long flow_id; + va_list args; + + for (flow_idx = 0; flow_idx < MAX_FLOWS; flow_idx++) + if (ntuple_ids[flow_idx] == -1) + break; + if (flow_idx == MAX_FLOWS) { + fprintf(stderr, "Error: too many flows\n"); + return -1; + } + + snprintf(cmd, sizeof(cmd), "ethtool -N %s %s", ifname, format); + + va_start(args, format); + ret = __run_command(local_output, sizeof(local_output), cmd, args); + va_end(args); + + if (ret != 0) + return ret; + + /* Extract the ID from the output */ + id_start = strstr(local_output, "Added rule with ID "); + if (!id_start) + return -1; + id_start += strlen("Added rule with ID "); + + flow_id = strtol(id_start, &endptr, 10); + if (endptr == id_start || flow_id < 0 || flow_id > INT_MAX) + return -1; + + fprintf(stderr, "Added flow rule with ID %ld\n", flow_id); + ntuple_ids[flow_idx] = flow_id; + return flow_id; } static int rxq_num(int ifindex) @@ -270,29 +392,17 @@ static int rxq_num(int ifindex) return num; } -#define run_command(cmd, ...) \ - ({ \ - char command[256]; \ - memset(command, 0, sizeof(command)); \ - snprintf(command, sizeof(command), cmd, ##__VA_ARGS__); \ - fprintf(stderr, "Running: %s\n", command); \ - system(command); \ - }) - -static int reset_flow_steering(void) +static void reset_flow_steering(void) { - /* Depending on the NIC, toggling ntuple off and on might not - * be allowed. Additionally, attempting to delete existing filters - * will fail if no filters are present. Therefore, do not enforce - * the exit status. - */ - - run_command("sudo ethtool -K %s ntuple off >&2", ifname); - run_command("sudo ethtool -K %s ntuple on >&2", ifname); - run_command( - "sudo ethtool -n %s | grep 'Filter:' | awk '{print $2}' | xargs -n1 ethtool -N %s delete >&2", - ifname, ifname); - return 0; + int i; + + for (i = 0; i < MAX_FLOWS; i++) { + if (ntuple_ids[i] == -1) + continue; + run_command("ethtool -N %s delete %d", + ifname, ntuple_ids[i]); + ntuple_ids[i] = -1; + } } static const char *tcp_data_split_str(int val) @@ -309,7 +419,81 @@ static const char *tcp_data_split_str(int val) } } -static int configure_headersplit(bool on) +static struct ethtool_rings_get_rsp *get_ring_config(void) +{ + struct ethtool_rings_get_req *get_req; + struct ethtool_rings_get_rsp *get_rsp; + struct ynl_error yerr; + struct ynl_sock *ys; + + ys = ynl_sock_create(&ynl_ethtool_family, &yerr); + if (!ys) { + fprintf(stderr, "YNL: %s\n", yerr.msg); + return NULL; + } + + get_req = ethtool_rings_get_req_alloc(); + ethtool_rings_get_req_set_header_dev_index(get_req, ifindex); + get_rsp = ethtool_rings_get(ys, get_req); + ethtool_rings_get_req_free(get_req); + + ynl_sock_destroy(ys); + + return get_rsp; +} + +static void restore_ring_config(const struct ethtool_rings_get_rsp *config) +{ + struct ethtool_rings_get_req *get_req; + struct ethtool_rings_get_rsp *get_rsp; + struct ethtool_rings_set_req *req; + struct ynl_error yerr; + struct ynl_sock *ys; + int ret; + + if (!config) + return; + + ys = ynl_sock_create(&ynl_ethtool_family, &yerr); + if (!ys) { + fprintf(stderr, "YNL: %s\n", yerr.msg); + return; + } + + req = ethtool_rings_set_req_alloc(); + ethtool_rings_set_req_set_header_dev_index(req, ifindex); + ethtool_rings_set_req_set_tcp_data_split(req, + ETHTOOL_TCP_DATA_SPLIT_UNKNOWN); + if (config->_present.hds_thresh) + ethtool_rings_set_req_set_hds_thresh(req, config->hds_thresh); + + ret = ethtool_rings_set(ys, req); + if (ret < 0) + fprintf(stderr, "YNL restoring HDS cfg: %s\n", ys->err.msg); + + get_req = ethtool_rings_get_req_alloc(); + ethtool_rings_get_req_set_header_dev_index(get_req, ifindex); + get_rsp = ethtool_rings_get(ys, get_req); + ethtool_rings_get_req_free(get_req); + + /* use explicit value if UKNOWN didn't give us the previous */ + if (get_rsp->tcp_data_split != config->tcp_data_split) { + ethtool_rings_set_req_set_tcp_data_split(req, + config->tcp_data_split); + ret = ethtool_rings_set(ys, req); + if (ret < 0) + fprintf(stderr, "YNL restoring expl HDS cfg: %s\n", + ys->err.msg); + } + + ethtool_rings_get_rsp_free(get_rsp); + ethtool_rings_set_req_free(req); + + ynl_sock_destroy(ys); +} + +static int +configure_headersplit(const struct ethtool_rings_get_rsp *old, bool on) { struct ethtool_rings_get_req *get_req; struct ethtool_rings_get_rsp *get_rsp; @@ -326,8 +510,15 @@ static int configure_headersplit(bool on) req = ethtool_rings_set_req_alloc(); ethtool_rings_set_req_set_header_dev_index(req, ifindex); - /* 0 - off, 1 - auto, 2 - on */ - ethtool_rings_set_req_set_tcp_data_split(req, on ? 2 : 0); + if (on) { + ethtool_rings_set_req_set_tcp_data_split(req, + ETHTOOL_TCP_DATA_SPLIT_ENABLED); + if (old->_present.hds_thresh) + ethtool_rings_set_req_set_hds_thresh(req, 0); + } else { + ethtool_rings_set_req_set_tcp_data_split(req, + ETHTOOL_TCP_DATA_SPLIT_UNKNOWN); + } ret = ethtool_rings_set(ys, req); if (ret < 0) fprintf(stderr, "YNL failed: %s\n", ys->err.msg); @@ -351,12 +542,103 @@ static int configure_headersplit(bool on) static int configure_rss(void) { - return run_command("sudo ethtool -X %s equal %d >&2", ifname, start_queue); + return run_command("ethtool -X %s equal %d >&2", ifname, start_queue); +} + +static void reset_rss(void) +{ + run_command("ethtool -X %s default >&2", ifname, start_queue); } -static int configure_channels(unsigned int rx, unsigned int tx) +static int check_changing_channels(unsigned int rx, unsigned int tx) { - return run_command("sudo ethtool -L %s rx %u tx %u", ifname, rx, tx); + struct ethtool_channels_get_req *gchan; + struct ethtool_channels_set_req *schan; + struct ethtool_channels_get_rsp *chan; + struct ynl_error yerr; + struct ynl_sock *ys; + int ret; + + fprintf(stderr, "setting channel count rx:%u tx:%u\n", rx, tx); + + ys = ynl_sock_create(&ynl_ethtool_family, &yerr); + if (!ys) { + fprintf(stderr, "YNL: %s\n", yerr.msg); + return -1; + } + + gchan = ethtool_channels_get_req_alloc(); + if (!gchan) { + ret = -1; + goto exit_close_sock; + } + + ethtool_channels_get_req_set_header_dev_index(gchan, ifindex); + chan = ethtool_channels_get(ys, gchan); + ethtool_channels_get_req_free(gchan); + if (!chan) { + fprintf(stderr, "YNL get channels: %s\n", ys->err.msg); + ret = -1; + goto exit_close_sock; + } + + schan = ethtool_channels_set_req_alloc(); + if (!schan) { + ret = -1; + goto exit_free_chan; + } + + ethtool_channels_set_req_set_header_dev_index(schan, ifindex); + + if (chan->_present.combined_count) { + if (chan->_present.rx_count || chan->_present.tx_count) { + ethtool_channels_set_req_set_rx_count(schan, 0); + ethtool_channels_set_req_set_tx_count(schan, 0); + } + + if (rx == tx) { + ethtool_channels_set_req_set_combined_count(schan, rx); + } else if (rx > tx) { + ethtool_channels_set_req_set_combined_count(schan, tx); + ethtool_channels_set_req_set_rx_count(schan, rx - tx); + } else { + ethtool_channels_set_req_set_combined_count(schan, rx); + ethtool_channels_set_req_set_tx_count(schan, tx - rx); + } + + } else if (chan->_present.rx_count) { + ethtool_channels_set_req_set_rx_count(schan, rx); + ethtool_channels_set_req_set_tx_count(schan, tx); + } else { + fprintf(stderr, "Error: device has neither combined nor rx channels\n"); + ret = -1; + goto exit_free_schan; + } + + ret = ethtool_channels_set(ys, schan); + if (ret) { + fprintf(stderr, "YNL set channels: %s\n", ys->err.msg); + } else { + /* We were expecting a failure, go back to previous settings */ + ethtool_channels_set_req_set_combined_count(schan, + chan->combined_count); + ethtool_channels_set_req_set_rx_count(schan, chan->rx_count); + ethtool_channels_set_req_set_tx_count(schan, chan->tx_count); + + ret = ethtool_channels_set(ys, schan); + if (ret) + fprintf(stderr, "YNL un-setting channels: %s\n", + ys->err.msg); + } + +exit_free_schan: + ethtool_channels_set_req_free(schan); +exit_free_chan: + ethtool_channels_get_rsp_free(chan); +exit_close_sock: + ynl_sock_destroy(ys); + + return ret; } static int configure_flow_steering(struct sockaddr_in6 *server_sin) @@ -364,6 +646,7 @@ static int configure_flow_steering(struct sockaddr_in6 *server_sin) const char *type = "tcp6"; const char *server_addr; char buf[40]; + int flow_id; inet_ntop(AF_INET6, &server_sin->sin6_addr, buf, sizeof(buf)); server_addr = buf; @@ -374,23 +657,22 @@ static int configure_flow_steering(struct sockaddr_in6 *server_sin) } /* Try configure 5-tuple */ - if (run_command("sudo ethtool -N %s flow-type %s %s %s dst-ip %s %s %s dst-port %s queue %d >&2", - ifname, - type, - client_ip ? "src-ip" : "", - client_ip ?: "", - server_addr, - client_ip ? "src-port" : "", - client_ip ? port : "", - port, start_queue)) + flow_id = ethtool_add_flow("flow-type %s %s %s dst-ip %s %s %s dst-port %s queue %d", + type, + client_ip ? "src-ip" : "", + client_ip ?: "", + server_addr, + client_ip ? "src-port" : "", + client_ip ? port : "", + port, start_queue); + if (flow_id < 0) { /* If that fails, try configure 3-tuple */ - if (run_command("sudo ethtool -N %s flow-type %s dst-ip %s dst-port %s queue %d >&2", - ifname, - type, - server_addr, - port, start_queue)) + flow_id = ethtool_add_flow("flow-type %s dst-ip %s dst-port %s queue %d", + type, server_addr, port, start_queue); + if (flow_id < 0) /* If that fails, return error */ return -1; + } return 0; } @@ -405,6 +687,7 @@ static int bind_rx_queue(unsigned int ifindex, unsigned int dmabuf_fd, *ys = ynl_sock_create(&ynl_netdev_family, &yerr); if (!*ys) { + netdev_queue_id_free(queues); fprintf(stderr, "YNL: %s\n", yerr.msg); return -1; } @@ -483,18 +766,24 @@ err_close: return -1; } -static void enable_reuseaddr(int fd) +static int enable_reuseaddr(int fd) { int opt = 1; int ret; ret = setsockopt(fd, SOL_SOCKET, SO_REUSEPORT, &opt, sizeof(opt)); - if (ret) - error(1, errno, "%s: [FAIL, SO_REUSEPORT]\n", TEST_PREFIX); + if (ret) { + pr_err("SO_REUSEPORT failed"); + return -1; + } ret = setsockopt(fd, SOL_SOCKET, SO_REUSEADDR, &opt, sizeof(opt)); - if (ret) - error(1, errno, "%s: [FAIL, SO_REUSEADDR]\n", TEST_PREFIX); + if (ret) { + pr_err("SO_REUSEADDR failed"); + return -1; + } + + return 0; } static int parse_address(const char *str, int port, struct sockaddr_in6 *sin6) @@ -537,6 +826,7 @@ static struct netdev_queue_id *create_queues(void) static int do_server(struct memory_buffer *mem) { + struct ethtool_rings_get_rsp *ring_config; char ctrl_data[sizeof(int) * 20000]; size_t non_page_aligned_frags = 0; struct sockaddr_in6 client_addr; @@ -548,54 +838,72 @@ static int do_server(struct memory_buffer *mem) char *tmp_mem = NULL; struct ynl_sock *ys; char iobuf[819200]; + int ret, err = -1; char buffer[256]; int socket_fd; int client_fd; - int ret; ret = parse_address(server_ip, atoi(port), &server_sin); - if (ret < 0) - error(1, 0, "parse server address"); + if (ret < 0) { + pr_err("parse server address"); + return -1; + } - if (reset_flow_steering()) - error(1, 0, "Failed to reset flow steering\n"); + ring_config = get_ring_config(); + if (!ring_config) { + pr_err("Failed to get current ring configuration"); + return -1; + } - if (configure_headersplit(1)) - error(1, 0, "Failed to enable TCP header split\n"); + if (configure_headersplit(ring_config, 1)) { + pr_err("Failed to enable TCP header split"); + goto err_free_ring_config; + } /* Configure RSS to divert all traffic from our devmem queues */ - if (configure_rss()) - error(1, 0, "Failed to configure rss\n"); + if (configure_rss()) { + pr_err("Failed to configure rss"); + goto err_reset_headersplit; + } /* Flow steer our devmem flows to start_queue */ - if (configure_flow_steering(&server_sin)) - error(1, 0, "Failed to configure flow steering\n"); - - sleep(1); + if (configure_flow_steering(&server_sin)) { + pr_err("Failed to configure flow steering"); + goto err_reset_rss; + } - if (bind_rx_queue(ifindex, mem->fd, create_queues(), num_queues, &ys)) - error(1, 0, "Failed to bind\n"); + if (bind_rx_queue(ifindex, mem->fd, create_queues(), num_queues, &ys)) { + pr_err("Failed to bind"); + goto err_reset_flow_steering; + } tmp_mem = malloc(mem->size); if (!tmp_mem) - error(1, ENOMEM, "malloc failed"); + goto err_unbind; socket_fd = socket(AF_INET6, SOCK_STREAM, 0); - if (socket_fd < 0) - error(1, errno, "%s: [FAIL, create socket]\n", TEST_PREFIX); + if (socket_fd < 0) { + pr_err("Failed to create socket"); + goto err_free_tmp; + } - enable_reuseaddr(socket_fd); + if (enable_reuseaddr(socket_fd)) + goto err_close_socket; fprintf(stderr, "binding to address %s:%d\n", server_ip, ntohs(server_sin.sin6_port)); ret = bind(socket_fd, &server_sin, sizeof(server_sin)); - if (ret) - error(1, errno, "%s: [FAIL, bind]\n", TEST_PREFIX); + if (ret) { + pr_err("Failed to bind"); + goto err_close_socket; + } ret = listen(socket_fd, 1); - if (ret) - error(1, errno, "%s: [FAIL, listen]\n", TEST_PREFIX); + if (ret) { + pr_err("Failed to listen"); + goto err_close_socket; + } client_addr_len = sizeof(client_addr); @@ -604,6 +912,10 @@ static int do_server(struct memory_buffer *mem) fprintf(stderr, "Waiting or connection on %s:%d\n", buffer, ntohs(server_sin.sin6_port)); client_fd = accept(socket_fd, &client_addr, &client_addr_len); + if (client_fd < 0) { + pr_err("Failed to accept"); + goto err_close_socket; + } inet_ntop(AF_INET6, &client_addr.sin6_addr, buffer, sizeof(buffer)); @@ -631,10 +943,15 @@ static int do_server(struct memory_buffer *mem) continue; if (ret < 0) { perror("recvmsg"); + if (errno == EFAULT) { + pr_err("received EFAULT, won't recover"); + goto err_close_client; + } continue; } if (ret == 0) { - fprintf(stderr, "client exited\n"); + errno = 0; + pr_err("client exited"); goto cleanup; } @@ -672,9 +989,10 @@ static int do_server(struct memory_buffer *mem) dmabuf_cmsg->frag_size, dmabuf_cmsg->frag_token, total_received, dmabuf_cmsg->dmabuf_id); - if (dmabuf_cmsg->dmabuf_id != dmabuf_id) - error(1, 0, - "received on wrong dmabuf_id: flow steering error\n"); + if (dmabuf_cmsg->dmabuf_id != dmabuf_id) { + pr_err("received on wrong dmabuf_id: flow steering error"); + goto err_close_client; + } if (dmabuf_cmsg->frag_size % getpagesize()) non_page_aligned_frags++; @@ -685,22 +1003,27 @@ static int do_server(struct memory_buffer *mem) dmabuf_cmsg->frag_offset, dmabuf_cmsg->frag_size); - if (do_validation) - validate_buffer(tmp_mem, - dmabuf_cmsg->frag_size); - else + if (do_validation) { + if (validate_buffer(tmp_mem, + dmabuf_cmsg->frag_size)) + goto err_close_client; + } else { print_nonzero_bytes(tmp_mem, dmabuf_cmsg->frag_size); + } ret = setsockopt(client_fd, SOL_SOCKET, SO_DEVMEM_DONTNEED, &token, sizeof(token)); - if (ret != 1) - error(1, 0, - "SO_DEVMEM_DONTNEED not enough tokens"); + if (ret != 1) { + pr_err("SO_DEVMEM_DONTNEED not enough tokens"); + goto err_close_client; + } + } + if (!is_devmem) { + pr_err("flow steering error"); + goto err_close_client; } - if (!is_devmem) - error(1, 0, "flow steering error\n"); fprintf(stderr, "total_received=%lu\n", total_received); } @@ -711,54 +1034,121 @@ static int do_server(struct memory_buffer *mem) page_aligned_frags, non_page_aligned_frags); cleanup: + err = 0; - free(tmp_mem); +err_close_client: close(client_fd); +err_close_socket: close(socket_fd); +err_free_tmp: + free(tmp_mem); +err_unbind: ynl_sock_destroy(ys); - - return 0; +err_reset_flow_steering: + reset_flow_steering(); +err_reset_rss: + reset_rss(); +err_reset_headersplit: + restore_ring_config(ring_config); +err_free_ring_config: + ethtool_rings_get_rsp_free(ring_config); + return err; } -void run_devmem_tests(void) +int run_devmem_tests(void) { + struct ethtool_rings_get_rsp *ring_config; + struct netdev_queue_id *queues; struct memory_buffer *mem; struct ynl_sock *ys; + int err = -1; mem = provider->alloc(getpagesize() * NUM_PAGES); + if (!mem) { + pr_err("Failed to allocate memory buffer"); + return -1; + } + + ring_config = get_ring_config(); + if (!ring_config) { + pr_err("Failed to get current ring configuration"); + goto err_free_mem; + } /* Configure RSS to divert all traffic from our devmem queues */ - if (configure_rss()) - error(1, 0, "rss error\n"); + if (configure_rss()) { + pr_err("rss error"); + goto err_free_ring_config; + } + + if (configure_headersplit(ring_config, 1)) { + pr_err("Failed to configure header split"); + goto err_reset_rss; + } + + queues = netdev_queue_id_alloc(num_queues); + if (!queues) { + pr_err("Failed to allocate empty queues array"); + goto err_reset_headersplit; + } + + if (!bind_rx_queue(ifindex, mem->fd, queues, num_queues, &ys)) { + pr_err("Binding empty queues array should have failed"); + goto err_unbind; + } - if (configure_headersplit(1)) - error(1, 0, "Failed to configure header split\n"); + if (configure_headersplit(ring_config, 0)) { + pr_err("Failed to configure header split"); + goto err_reset_headersplit; + } - if (!bind_rx_queue(ifindex, mem->fd, - calloc(num_queues, sizeof(struct netdev_queue_id)), - num_queues, &ys)) - error(1, 0, "Binding empty queues array should have failed\n"); + queues = create_queues(); + if (!queues) { + pr_err("Failed to create queues"); + goto err_reset_headersplit; + } - if (configure_headersplit(0)) - error(1, 0, "Failed to configure header split\n"); + if (!bind_rx_queue(ifindex, mem->fd, queues, num_queues, &ys)) { + pr_err("Configure dmabuf with header split off should have failed"); + goto err_unbind; + } - if (!bind_rx_queue(ifindex, mem->fd, create_queues(), num_queues, &ys)) - error(1, 0, "Configure dmabuf with header split off should have failed\n"); + if (configure_headersplit(ring_config, 1)) { + pr_err("Failed to configure header split"); + goto err_reset_headersplit; + } - if (configure_headersplit(1)) - error(1, 0, "Failed to configure header split\n"); + queues = create_queues(); + if (!queues) { + pr_err("Failed to create queues"); + goto err_reset_headersplit; + } - if (bind_rx_queue(ifindex, mem->fd, create_queues(), num_queues, &ys)) - error(1, 0, "Failed to bind\n"); + if (bind_rx_queue(ifindex, mem->fd, queues, num_queues, &ys)) { + pr_err("Failed to bind"); + goto err_reset_headersplit; + } /* Deactivating a bound queue should not be legal */ - if (!configure_channels(num_queues, num_queues - 1)) - error(1, 0, "Deactivating a bound queue should be illegal.\n"); + if (!check_changing_channels(num_queues, num_queues)) { + pr_err("Deactivating a bound queue should be illegal"); + goto err_unbind; + } - /* Closing the netlink socket does an implicit unbind */ - ynl_sock_destroy(ys); + err = 0; + goto err_unbind; +err_unbind: + ynl_sock_destroy(ys); +err_reset_headersplit: + restore_ring_config(ring_config); +err_reset_rss: + reset_rss(); +err_free_ring_config: + ethtool_rings_get_rsp_free(ring_config); +err_free_mem: provider->free(mem); + return err; } static uint64_t gettimeofday_ms(void) @@ -778,13 +1168,15 @@ static int do_poll(int fd) pfd.fd = fd; ret = poll(&pfd, 1, waittime_ms); - if (ret == -1) - error(1, errno, "poll"); + if (ret == -1) { + pr_err("poll"); + return -1; + } return ret && (pfd.revents & POLLERR); } -static void wait_compl(int fd) +static int wait_compl(int fd) { int64_t tstop = gettimeofday_ms() + waittime_ms; char control[CMSG_SPACE(100)] = {}; @@ -798,18 +1190,23 @@ static void wait_compl(int fd) msg.msg_controllen = sizeof(control); while (gettimeofday_ms() < tstop) { - if (!do_poll(fd)) + ret = do_poll(fd); + if (ret < 0) + return ret; + if (!ret) continue; ret = recvmsg(fd, &msg, MSG_ERRQUEUE); if (ret < 0) { if (errno == EAGAIN) continue; - error(1, errno, "recvmsg(MSG_ERRQUEUE)"); - return; + pr_err("recvmsg(MSG_ERRQUEUE)"); + return -1; + } + if (msg.msg_flags & MSG_CTRUNC) { + pr_err("MSG_CTRUNC"); + return -1; } - if (msg.msg_flags & MSG_CTRUNC) - error(1, 0, "MSG_CTRUNC\n"); for (cm = CMSG_FIRSTHDR(&msg); cm; cm = CMSG_NXTHDR(&msg, cm)) { if (cm->cmsg_level != SOL_IP && @@ -823,20 +1220,25 @@ static void wait_compl(int fd) continue; serr = (void *)CMSG_DATA(cm); - if (serr->ee_origin != SO_EE_ORIGIN_ZEROCOPY) - error(1, 0, "wrong origin %u", serr->ee_origin); - if (serr->ee_errno != 0) - error(1, 0, "wrong errno %d", serr->ee_errno); + if (serr->ee_origin != SO_EE_ORIGIN_ZEROCOPY) { + pr_err("wrong origin %u", serr->ee_origin); + return -1; + } + if (serr->ee_errno != 0) { + pr_err("wrong errno %d", serr->ee_errno); + return -1; + } hi = serr->ee_data; lo = serr->ee_info; fprintf(stderr, "tx complete [%d,%d]\n", lo, hi); - return; + return 0; } } - error(1, 0, "did not receive tx completion"); + pr_err("did not receive tx completion"); + return -1; } static int do_client(struct memory_buffer *mem) @@ -850,50 +1252,69 @@ static int do_client(struct memory_buffer *mem) ssize_t line_size = 0; struct cmsghdr *cmsg; char *line = NULL; + int ret, err = -1; size_t len = 0; int socket_fd; __u32 ddmabuf; int opt = 1; - int ret; ret = parse_address(server_ip, atoi(port), &server_sin); - if (ret < 0) - error(1, 0, "parse server address"); + if (ret < 0) { + pr_err("parse server address"); + return -1; + } + + if (client_ip) { + ret = parse_address(client_ip, atoi(port), &client_sin); + if (ret < 0) { + pr_err("parse client address"); + return ret; + } + } socket_fd = socket(AF_INET6, SOCK_STREAM, 0); - if (socket_fd < 0) - error(1, socket_fd, "create socket"); + if (socket_fd < 0) { + pr_err("create socket"); + return -1; + } - enable_reuseaddr(socket_fd); + if (enable_reuseaddr(socket_fd)) + goto err_close_socket; ret = setsockopt(socket_fd, SOL_SOCKET, SO_BINDTODEVICE, ifname, strlen(ifname) + 1); - if (ret) - error(1, errno, "bindtodevice"); + if (ret) { + pr_err("bindtodevice"); + goto err_close_socket; + } - if (bind_tx_queue(ifindex, mem->fd, &ys)) - error(1, 0, "Failed to bind\n"); + if (bind_tx_queue(ifindex, mem->fd, &ys)) { + pr_err("Failed to bind"); + goto err_close_socket; + } if (client_ip) { - ret = parse_address(client_ip, atoi(port), &client_sin); - if (ret < 0) - error(1, 0, "parse client address"); - ret = bind(socket_fd, &client_sin, sizeof(client_sin)); - if (ret) - error(1, errno, "bind"); + if (ret) { + pr_err("bind"); + goto err_unbind; + } } ret = setsockopt(socket_fd, SOL_SOCKET, SO_ZEROCOPY, &opt, sizeof(opt)); - if (ret) - error(1, errno, "set sock opt"); + if (ret) { + pr_err("set sock opt"); + goto err_unbind; + } fprintf(stderr, "Connect to %s %d (via %s)\n", server_ip, ntohs(server_sin.sin6_port), ifname); ret = connect(socket_fd, &server_sin, sizeof(server_sin)); - if (ret) - error(1, errno, "connect"); + if (ret) { + pr_err("connect"); + goto err_unbind; + } while (1) { free(line); @@ -906,10 +1327,11 @@ static int do_client(struct memory_buffer *mem) if (max_chunk) { msg.msg_iovlen = (line_size + max_chunk - 1) / max_chunk; - if (msg.msg_iovlen > MAX_IOV) - error(1, 0, - "can't partition %zd bytes into maximum of %d chunks", - line_size, MAX_IOV); + if (msg.msg_iovlen > MAX_IOV) { + pr_err("can't partition %zd bytes into maximum of %d chunks", + line_size, MAX_IOV); + goto err_free_line; + } for (int i = 0; i < msg.msg_iovlen; i++) { iov[i].iov_base = (void *)(i * max_chunk); @@ -940,34 +1362,40 @@ static int do_client(struct memory_buffer *mem) *((__u32 *)CMSG_DATA(cmsg)) = ddmabuf; ret = sendmsg(socket_fd, &msg, MSG_ZEROCOPY); - if (ret < 0) - error(1, errno, "Failed sendmsg"); + if (ret < 0) { + pr_err("Failed sendmsg"); + goto err_free_line; + } fprintf(stderr, "sendmsg_ret=%d\n", ret); - if (ret != line_size) - error(1, errno, "Did not send all bytes %d vs %zd", ret, - line_size); + if (ret != line_size) { + pr_err("Did not send all bytes %d vs %zd", ret, line_size); + goto err_free_line; + } - wait_compl(socket_fd); + if (wait_compl(socket_fd)) + goto err_free_line; } fprintf(stderr, "%s: tx ok\n", TEST_PREFIX); + err = 0; + +err_free_line: free(line); +err_unbind: + ynl_sock_destroy(ys); +err_close_socket: close(socket_fd); - - if (ys) - ynl_sock_destroy(ys); - - return 0; + return err; } int main(int argc, char *argv[]) { struct memory_buffer *mem; int is_server = 0, opt; - int ret; + int ret, err = 1; while ((opt = getopt(argc, argv, "ls:c:p:v:q:t:f:z:")) != -1) { switch (opt) { @@ -1004,8 +1432,10 @@ int main(int argc, char *argv[]) } } - if (!ifname) - error(1, 0, "Missing -f argument\n"); + if (!ifname) { + pr_err("Missing -f argument"); + return 1; + } ifindex = if_nametoindex(ifname); @@ -1014,33 +1444,41 @@ int main(int argc, char *argv[]) if (!server_ip && !client_ip) { if (start_queue < 0 && num_queues < 0) { num_queues = rxq_num(ifindex); - if (num_queues < 0) - error(1, 0, "couldn't detect number of queues\n"); - if (num_queues < 2) - error(1, 0, - "number of device queues is too low\n"); + if (num_queues < 0) { + pr_err("couldn't detect number of queues"); + return 1; + } + if (num_queues < 2) { + pr_err("number of device queues is too low"); + return 1; + } /* make sure can bind to multiple queues */ start_queue = num_queues / 2; num_queues /= 2; } - if (start_queue < 0 || num_queues < 0) - error(1, 0, "Both -t and -q are required\n"); + if (start_queue < 0 || num_queues < 0) { + pr_err("Both -t and -q are required"); + return 1; + } - run_devmem_tests(); - return 0; + return run_devmem_tests(); } if (start_queue < 0 && num_queues < 0) { num_queues = rxq_num(ifindex); - if (num_queues < 2) - error(1, 0, "number of device queues is too low\n"); + if (num_queues < 2) { + pr_err("number of device queues is too low"); + return 1; + } num_queues = 1; start_queue = rxq_num(ifindex) - num_queues; - if (start_queue < 0) - error(1, 0, "couldn't detect number of queues\n"); + if (start_queue < 0) { + pr_err("couldn't detect number of queues"); + return 1; + } fprintf(stderr, "using queues %d..%d\n", start_queue, start_queue + num_queues); } @@ -1048,21 +1486,39 @@ int main(int argc, char *argv[]) for (; optind < argc; optind++) fprintf(stderr, "extra arguments: %s\n", argv[optind]); - if (start_queue < 0) - error(1, 0, "Missing -t argument\n"); + if (start_queue < 0) { + pr_err("Missing -t argument"); + return 1; + } - if (num_queues < 0) - error(1, 0, "Missing -q argument\n"); + if (num_queues < 0) { + pr_err("Missing -q argument"); + return 1; + } - if (!server_ip) - error(1, 0, "Missing -s argument\n"); + if (!server_ip) { + pr_err("Missing -s argument"); + return 1; + } - if (!port) - error(1, 0, "Missing -p argument\n"); + if (!port) { + pr_err("Missing -p argument"); + return 1; + } mem = provider->alloc(getpagesize() * NUM_PAGES); + if (!mem) { + pr_err("Failed to allocate memory buffer"); + return 1; + } + ret = is_server ? do_server(mem) : do_client(mem); - provider->free(mem); + if (ret) + goto err_free_mem; - return ret; + err = 0; + +err_free_mem: + provider->free(mem); + return err; } diff --git a/tools/testing/selftests/drivers/net/hw/nic_timestamp.py b/tools/testing/selftests/drivers/net/hw/nic_timestamp.py new file mode 100755 index 000000000000..c1e943d53f19 --- /dev/null +++ b/tools/testing/selftests/drivers/net/hw/nic_timestamp.py @@ -0,0 +1,113 @@ +#!/usr/bin/env python3 +# SPDX-License-Identifier: GPL-2.0 + +""" +Tests related to configuration of HW timestamping +""" + +import errno +from lib.py import ksft_run, ksft_exit, ksft_ge, ksft_eq, KsftSkipEx +from lib.py import NetDrvEnv, EthtoolFamily, NlError + + +def __get_hwtimestamp_support(cfg): + """ Retrieve supported configuration information """ + + try: + tsinfo = cfg.ethnl.tsinfo_get({'header': {'dev-name': cfg.ifname}}) + except NlError as e: + if e.error == errno.EOPNOTSUPP: + raise KsftSkipEx("timestamping configuration is not supported") from e + raise + + ctx = {} + tx = tsinfo.get('tx-types', {}) + rx = tsinfo.get('rx-filters', {}) + + bits = tx.get('bits', {}) + ctx['tx'] = bits.get('bit', []) + bits = rx.get('bits', {}) + ctx['rx'] = bits.get('bit', []) + return ctx + + +def __get_hwtimestamp_config(cfg): + """ Retrieve current TS configuration information """ + + try: + tscfg = cfg.ethnl.tsconfig_get({'header': {'dev-name': cfg.ifname}}) + except NlError as e: + if e.error == errno.EOPNOTSUPP: + raise KsftSkipEx("timestamping configuration is not supported via netlink") from e + raise + return tscfg + + +def __set_hwtimestamp_config(cfg, ts): + """ Setup new TS configuration information """ + + ts['header'] = {'dev-name': cfg.ifname} + try: + res = cfg.ethnl.tsconfig_set(ts) + except NlError as e: + if e.error == errno.EOPNOTSUPP: + raise KsftSkipEx("timestamping configuration is not supported via netlink") from e + raise + return res + + +def test_hwtstamp_tx(cfg): + """ + Test TX timestamp configuration. + The driver should apply provided config and report back proper state. + """ + + orig_tscfg = __get_hwtimestamp_config(cfg) + ts = __get_hwtimestamp_support(cfg) + tx = ts['tx'] + for t in tx: + tscfg = orig_tscfg + tscfg['tx-types']['bits']['bit'] = [t] + res = __set_hwtimestamp_config(cfg, tscfg) + if res is None: + res = __get_hwtimestamp_config(cfg) + ksft_eq(res['tx-types']['bits']['bit'], [t]) + __set_hwtimestamp_config(cfg, orig_tscfg) + + +def test_hwtstamp_rx(cfg): + """ + Test RX timestamp configuration. + The filter configuration is taken from the list of supported filters. + The driver should apply the config without error and report back proper state. + Some extension of the timestamping scope is allowed for PTP filters. + """ + + orig_tscfg = __get_hwtimestamp_config(cfg) + ts = __get_hwtimestamp_support(cfg) + rx = ts['rx'] + for r in rx: + tscfg = orig_tscfg + tscfg['rx-filters']['bits']['bit'] = [r] + res = __set_hwtimestamp_config(cfg, tscfg) + if res is None: + res = __get_hwtimestamp_config(cfg) + if r['index'] == 0 or r['index'] == 1: + ksft_eq(res['rx-filters']['bits']['bit'][0]['index'], r['index']) + else: + # the driver can fallback to some value which has higher coverage for timestamping + ksft_ge(res['rx-filters']['bits']['bit'][0]['index'], r['index']) + __set_hwtimestamp_config(cfg, orig_tscfg) + + +def main() -> None: + """ Ksft boiler plate main """ + + with NetDrvEnv(__file__, nsim_test=False) as cfg: + cfg.ethnl = EthtoolFamily() + ksft_run([test_hwtstamp_tx, test_hwtstamp_rx], args=(cfg,)) + ksft_exit() + + +if __name__ == "__main__": + main() diff --git a/tools/testing/selftests/drivers/net/hw/rss_ctx.py b/tools/testing/selftests/drivers/net/hw/rss_ctx.py index 7bb552f8b182..ed7e405682f0 100755 --- a/tools/testing/selftests/drivers/net/hw/rss_ctx.py +++ b/tools/testing/selftests/drivers/net/hw/rss_ctx.py @@ -118,7 +118,7 @@ def test_rss_key_indir(cfg): qcnt = len(_get_rx_cnts(cfg)) if qcnt < 3: - KsftSkipEx("Device has fewer than 3 queues (or doesn't support queue stats)") + raise KsftSkipEx("Device has fewer than 3 queues (or doesn't support queue stats)") data = get_rss(cfg) want_keys = ['rss-hash-key', 'rss-hash-function', 'rss-indirection-table'] @@ -178,8 +178,13 @@ def test_rss_key_indir(cfg): cnts = _get_rx_cnts(cfg) GenerateTraffic(cfg).wait_pkts_and_stop(20000) cnts = _get_rx_cnts(cfg, prev=cnts) - # First two queues get less traffic than all the rest - ksft_lt(sum(cnts[:2]), sum(cnts[2:]), "traffic distributed: " + str(cnts)) + if qcnt > 4: + # First two queues get less traffic than all the rest + ksft_lt(sum(cnts[:2]), sum(cnts[2:]), + "traffic distributed: " + str(cnts)) + else: + # When queue count is low make sure third queue got significant pkts + ksft_ge(cnts[2], 3500, "traffic distributed: " + str(cnts)) def test_rss_queue_reconfigure(cfg, main_ctx=True): @@ -335,19 +340,20 @@ def test_hitless_key_update(cfg): data = get_rss(cfg) key_len = len(data['rss-hash-key']) - key = _rss_key_rand(key_len) + ethnl = EthtoolFamily() + key = random.randbytes(key_len) tgen = GenerateTraffic(cfg) try: errors0, carrier0 = get_drop_err_sum(cfg) t0 = datetime.datetime.now() - ethtool(f"-X {cfg.ifname} hkey " + _rss_key_str(key)) + ethnl.rss_set({"header": {"dev-index": cfg.ifindex}, "hkey": key}) t1 = datetime.datetime.now() errors1, carrier1 = get_drop_err_sum(cfg) finally: tgen.wait_pkts_and_stop(5000) - ksft_lt((t1 - t0).total_seconds(), 0.2) + ksft_lt((t1 - t0).total_seconds(), 0.15) ksft_eq(errors1 - errors1, 0) ksft_eq(carrier1 - carrier0, 0) diff --git a/tools/testing/selftests/drivers/net/hw/rss_flow_label.py b/tools/testing/selftests/drivers/net/hw/rss_flow_label.py new file mode 100755 index 000000000000..6fa95fe27c47 --- /dev/null +++ b/tools/testing/selftests/drivers/net/hw/rss_flow_label.py @@ -0,0 +1,167 @@ +#!/usr/bin/env python3 +# SPDX-License-Identifier: GPL-2.0 + +""" +Tests for RSS hashing on IPv6 Flow Label. +""" + +import glob +import os +import socket +from lib.py import CmdExitFailure +from lib.py import ksft_run, ksft_exit, ksft_eq, ksft_ge, ksft_in, \ + ksft_not_in, ksft_raises, KsftSkipEx +from lib.py import bkg, cmd, defer, fd_read_timeout, rand_port +from lib.py import NetDrvEpEnv + + +def _check_system(cfg): + if not hasattr(socket, "SO_INCOMING_CPU"): + raise KsftSkipEx("socket.SO_INCOMING_CPU was added in Python 3.11") + + qcnt = len(glob.glob(f"/sys/class/net/{cfg.ifname}/queues/rx-*")) + if qcnt < 2: + raise KsftSkipEx(f"Local has only {qcnt} queues") + + for f in [f"/sys/class/net/{cfg.ifname}/queues/rx-0/rps_flow_cnt", + f"/sys/class/net/{cfg.ifname}/queues/rx-0/rps_cpus"]: + try: + with open(f, 'r') as fp: + setting = fp.read().strip() + # CPU mask will be zeros and commas + if setting.replace("0", "").replace(",", ""): + raise KsftSkipEx(f"RPS/RFS is configured: {f}: {setting}") + except FileNotFoundError: + pass + + # 1 is the default, if someone changed it we probably shouldn"t mess with it + af = cmd("cat /proc/sys/net/ipv6/auto_flowlabels", host=cfg.remote).stdout + if af.strip() != "1": + raise KsftSkipEx("Remote does not have auto_flowlabels enabled") + + +def _ethtool_get_cfg(cfg, fl_type): + descr = cmd(f"ethtool -n {cfg.ifname} rx-flow-hash {fl_type}").stdout + + converter = { + "IP SA": "s", + "IP DA": "d", + "L3 proto": "t", + "L4 bytes 0 & 1 [TCP/UDP src port]": "f", + "L4 bytes 2 & 3 [TCP/UDP dst port]": "n", + "IPv6 Flow Label": "l", + } + + ret = "" + for line in descr.split("\n")[1:-2]: + # if this raises we probably need to add more keys to converter above + ret += converter[line] + return ret + + +def _traffic(cfg, one_sock, one_cpu): + local_port = rand_port(socket.SOCK_DGRAM) + remote_port = rand_port(socket.SOCK_DGRAM) + + sock = socket.socket(socket.AF_INET6, socket.SOCK_DGRAM) + sock.bind(("", local_port)) + sock.connect((cfg.remote_addr_v["6"], 0)) + if one_sock: + send = f"exec 5<>/dev/udp/{cfg.addr_v['6']}/{local_port}; " \ + "for i in `seq 20`; do echo a >&5; sleep 0.02; done; exec 5>&-" + else: + send = "for i in `seq 20`; do echo a | socat -t0.02 - UDP6:" \ + f"[{cfg.addr_v['6']}]:{local_port},sourceport={remote_port}; done" + + cpus = set() + with bkg(send, shell=True, host=cfg.remote, exit_wait=True): + for _ in range(20): + fd_read_timeout(sock.fileno(), 1) + cpu = sock.getsockopt(socket.SOL_SOCKET, socket.SO_INCOMING_CPU) + cpus.add(cpu) + + if one_cpu: + ksft_eq(len(cpus), 1, + f"{one_sock=} - expected one CPU, got traffic on: {cpus=}") + else: + ksft_ge(len(cpus), 2, + f"{one_sock=} - expected many CPUs, got traffic on: {cpus=}") + + +def test_rss_flow_label(cfg): + """ + Test hashing on IPv6 flow label. Send traffic over a single socket + and over multiple sockets. Depend on the remote having auto-label + enabled so that it randomizes the label per socket. + """ + + cfg.require_ipver("6") + cfg.require_cmd("socat", remote=True) + _check_system(cfg) + + # Enable flow label hashing for UDP6 + initial = _ethtool_get_cfg(cfg, "udp6") + no_lbl = initial.replace("l", "") + if "l" not in initial: + try: + cmd(f"ethtool -N {cfg.ifname} rx-flow-hash udp6 l{no_lbl}") + except CmdExitFailure as exc: + raise KsftSkipEx("Device doesn't support Flow Label for UDP6") from exc + + defer(cmd, f"ethtool -N {cfg.ifname} rx-flow-hash udp6 {initial}") + + _traffic(cfg, one_sock=True, one_cpu=True) + _traffic(cfg, one_sock=False, one_cpu=False) + + # Disable it, we should see no hashing (reset was already defer()ed) + cmd(f"ethtool -N {cfg.ifname} rx-flow-hash udp6 {no_lbl}") + + _traffic(cfg, one_sock=False, one_cpu=True) + + +def _check_v4_flow_types(cfg): + for fl_type in ["tcp4", "udp4", "ah4", "esp4", "sctp4"]: + try: + cur = cmd(f"ethtool -n {cfg.ifname} rx-flow-hash {fl_type}").stdout + ksft_not_in("Flow Label", cur, + comment=f"{fl_type=} has Flow Label:" + cur) + except CmdExitFailure: + # Probably does not support this flow type + pass + + +def test_rss_flow_label_6only(cfg): + """ + Test interactions with IPv4 flow types. It should not be possible to set + IPv6 Flow Label hashing for an IPv4 flow type. The Flow Label should also + not appear in the IPv4 "current config". + """ + + with ksft_raises(CmdExitFailure) as cm: + cmd(f"ethtool -N {cfg.ifname} rx-flow-hash tcp4 sdfnl") + ksft_in("Invalid argument", cm.exception.cmd.stderr) + + _check_v4_flow_types(cfg) + + # Try to enable Flow Labels and check again, in case it leaks thru + initial = _ethtool_get_cfg(cfg, "udp6") + changed = initial.replace("l", "") if "l" in initial else initial + "l" + + cmd(f"ethtool -N {cfg.ifname} rx-flow-hash udp6 {changed}") + restore = defer(cmd, f"ethtool -N {cfg.ifname} rx-flow-hash udp6 {initial}") + + _check_v4_flow_types(cfg) + restore.exec() + _check_v4_flow_types(cfg) + + +def main() -> None: + with NetDrvEpEnv(__file__, nsim_test=False) as cfg: + ksft_run([test_rss_flow_label, + test_rss_flow_label_6only], + args=(cfg, )) + ksft_exit() + + +if __name__ == "__main__": + main() diff --git a/tools/testing/selftests/drivers/net/hw/tso.py b/tools/testing/selftests/drivers/net/hw/tso.py index c13dd5efa27a..0998e68ebaf0 100755 --- a/tools/testing/selftests/drivers/net/hw/tso.py +++ b/tools/testing/selftests/drivers/net/hw/tso.py @@ -60,16 +60,17 @@ def run_one_stream(cfg, ipver, remote_v4, remote_v6, should_lso): sock_wait_drain(sock) qstat_new = cfg.netnl.qstats_get({"ifindex": cfg.ifindex}, dump=True)[0] - # No math behind the 10 here, but try to catch cases where - # TCP falls back to non-LSO. - ksft_lt(tcp_sock_get_retrans(sock), 10) - sock.close() - # Check that at least 90% of the data was sent as LSO packets. # System noise may cause false negatives. Also header overheads # will add up to 5% of extra packes... The check is best effort. total_lso_wire = len(buf) * 0.90 // cfg.dev["mtu"] total_lso_super = len(buf) * 0.90 // cfg.dev["tso_max_size"] + + # Make sure we have order of magnitude more LSO packets than + # retransmits, in case TCP retransmitted all the LSO packets. + ksft_lt(tcp_sock_get_retrans(sock), total_lso_wire / 4) + sock.close() + if should_lso: if cfg.have_stat_super_count: ksft_ge(qstat_new['tx-hw-gso-packets'] - diff --git a/tools/testing/selftests/drivers/net/lib/py/__init__.py b/tools/testing/selftests/drivers/net/lib/py/__init__.py index 8711c67ad658..2a645415c4ca 100644 --- a/tools/testing/selftests/drivers/net/lib/py/__init__.py +++ b/tools/testing/selftests/drivers/net/lib/py/__init__.py @@ -12,16 +12,16 @@ try: # Import one by one to avoid pylint false positives from net.lib.py import EthtoolFamily, NetdevFamily, NetshaperFamily, \ - NlError, RtnlFamily, DevlinkFamily + NlError, RtnlFamily, DevlinkFamily, PSPFamily from net.lib.py import CmdExitFailure from net.lib.py import bkg, cmd, bpftool, bpftrace, defer, ethtool, \ - fd_read_timeout, ip, rand_port, tool, wait_port_listen + fd_read_timeout, ip, rand_port, tool, wait_port_listen, wait_file from net.lib.py import fd_read_timeout from net.lib.py import KsftSkipEx, KsftFailEx, KsftXfailEx from net.lib.py import ksft_disruptive, ksft_exit, ksft_pr, ksft_run, \ ksft_setup from net.lib.py import ksft_eq, ksft_ge, ksft_in, ksft_is, ksft_lt, \ - ksft_ne, ksft_not_in, ksft_raises, ksft_true + ksft_ne, ksft_not_in, ksft_raises, ksft_true, ksft_gt, ksft_not_none except ModuleNotFoundError as e: ksft_pr("Failed importing `net` library from kernel sources") ksft_pr(str(e)) diff --git a/tools/testing/selftests/drivers/net/lib/py/env.py b/tools/testing/selftests/drivers/net/lib/py/env.py index 1b8bd648048f..01be3d9b9720 100644 --- a/tools/testing/selftests/drivers/net/lib/py/env.py +++ b/tools/testing/selftests/drivers/net/lib/py/env.py @@ -4,7 +4,7 @@ import os import time from pathlib import Path from lib.py import KsftSkipEx, KsftXfailEx -from lib.py import ksft_setup +from lib.py import ksft_setup, wait_file from lib.py import cmd, ethtool, ip, CmdExitFailure from lib.py import NetNS, NetdevSimDev from .remote import Remote @@ -25,6 +25,9 @@ class NetDrvEnvBase: self.env = self._load_env_file() + # Following attrs must be set be inheriting classes + self.dev = None + def _load_env_file(self): env = os.environ.copy() @@ -48,6 +51,22 @@ class NetDrvEnvBase: env[pair[0]] = pair[1] return ksft_setup(env) + def __del__(self): + pass + + def __enter__(self): + ip(f"link set dev {self.dev['ifname']} up") + wait_file(f"/sys/class/net/{self.dev['ifname']}/carrier", + lambda x: x.strip() == "1") + + return self + + def __exit__(self, ex_type, ex_value, ex_tb): + """ + __exit__ gets called at the end of a "with" block. + """ + self.__del__() + class NetDrvEnv(NetDrvEnvBase): """ @@ -72,17 +91,6 @@ class NetDrvEnv(NetDrvEnvBase): self.ifname = self.dev['ifname'] self.ifindex = self.dev['ifindex'] - def __enter__(self): - ip(f"link set dev {self.dev['ifname']} up") - - return self - - def __exit__(self, ex_type, ex_value, ex_tb): - """ - __exit__ gets called at the end of a "with" block. - """ - self.__del__() - def __del__(self): if self._ns: self._ns.remove() @@ -219,15 +227,6 @@ class NetDrvEpEnv(NetDrvEnvBase): raise Exception("Can't resolve remote interface name, multiple interfaces match") return v6[0]["ifname"] if v6 else v4[0]["ifname"] - def __enter__(self): - return self - - def __exit__(self, ex_type, ex_value, ex_tb): - """ - __exit__ gets called at the end of a "with" block. - """ - self.__del__() - def __del__(self): if self._ns: self._ns.remove() @@ -246,6 +245,10 @@ class NetDrvEpEnv(NetDrvEnvBase): if not self.addr_v[ipver] or not self.remote_addr_v[ipver]: raise KsftSkipEx(f"Test requires IPv{ipver} connectivity") + def require_nsim(self): + if self._ns is None: + raise KsftXfailEx("Test only works on netdevsim") + def _require_cmd(self, comm, key, host=None): cached = self._required_cmd.get(comm, {}) if cached.get(key) is None: diff --git a/tools/testing/selftests/drivers/net/lib/sh/lib_netcons.sh b/tools/testing/selftests/drivers/net/lib/sh/lib_netcons.sh index b6071e80ebbb..8e1085e89647 100644 --- a/tools/testing/selftests/drivers/net/lib/sh/lib_netcons.sh +++ b/tools/testing/selftests/drivers/net/lib/sh/lib_netcons.sh @@ -148,12 +148,20 @@ function create_dynamic_target() { # Generate the command line argument for netconsole following: # netconsole=[+][src-port]@[src-ip]/[<dev>],[tgt-port]@<tgt-ip>/[tgt-macaddr] function create_cmdline_str() { + local BINDMODE=${1:-"ifname"} + if [ "${BINDMODE}" == "ifname" ] + then + SRCDEV=${SRCIF} + else + SRCDEV=$(mac_get "${SRCIF}") + fi + DSTMAC=$(ip netns exec "${NAMESPACE}" \ ip link show "${DSTIF}" | awk '/ether/ {print $2}') SRCPORT="1514" TGTPORT="6666" - echo "netconsole=\"+${SRCPORT}@${SRCIP}/${SRCIF},${TGTPORT}@${DSTIP}/${DSTMAC}\"" + echo "netconsole=\"+${SRCPORT}@${SRCIP}/${SRCDEV},${TGTPORT}@${DSTIP}/${DSTMAC}\"" } # Do not append the release to the header of the message diff --git a/tools/testing/selftests/drivers/net/mlxsw/devlink_trap_policer.sh b/tools/testing/selftests/drivers/net/mlxsw/devlink_trap_policer.sh index 29a672c2270f..e212ad8ccef6 100755 --- a/tools/testing/selftests/drivers/net/mlxsw/devlink_trap_policer.sh +++ b/tools/testing/selftests/drivers/net/mlxsw/devlink_trap_policer.sh @@ -44,8 +44,7 @@ source $lib_dir/devlink_lib.sh h1_create() { - simple_if_init $h1 192.0.2.1/24 - defer simple_if_fini $h1 192.0.2.1/24 + adf_simple_if_init $h1 192.0.2.1/24 mtu_set $h1 10000 defer mtu_restore $h1 @@ -56,8 +55,7 @@ h1_create() h2_create() { - simple_if_init $h2 198.51.100.1/24 - defer simple_if_fini $h2 198.51.100.1/24 + adf_simple_if_init $h2 198.51.100.1/24 mtu_set $h2 10000 defer mtu_restore $h2 @@ -106,8 +104,7 @@ setup_prepare() # Reload to ensure devlink-trap settings are back to default. defer devlink_reload - vrf_prepare - defer vrf_cleanup + adf_vrf_prepare h1_create h2_create diff --git a/tools/testing/selftests/drivers/net/mlxsw/qos_ets_strict.sh b/tools/testing/selftests/drivers/net/mlxsw/qos_ets_strict.sh index d5b6f2cc9a29..9ca340c5f3a6 100755 --- a/tools/testing/selftests/drivers/net/mlxsw/qos_ets_strict.sh +++ b/tools/testing/selftests/drivers/net/mlxsw/qos_ets_strict.sh @@ -57,8 +57,7 @@ source qos_lib.sh h1_create() { - simple_if_init $h1 - defer simple_if_fini $h1 + adf_simple_if_init $h1 mtu_set $h1 10000 defer mtu_restore $h1 @@ -70,8 +69,7 @@ h1_create() h2_create() { - simple_if_init $h2 - defer simple_if_fini $h2 + adf_simple_if_init $h2 mtu_set $h2 10000 defer mtu_restore $h2 @@ -83,8 +81,7 @@ h2_create() h3_create() { - simple_if_init $h3 - defer simple_if_fini $h3 + adf_simple_if_init $h3 mtu_set $h3 10000 defer mtu_restore $h3 @@ -225,8 +222,7 @@ setup_prepare() h3mac=$(mac_get $h3) - vrf_prepare - defer vrf_cleanup + adf_vrf_prepare h1_create h2_create diff --git a/tools/testing/selftests/drivers/net/mlxsw/qos_max_descriptors.sh b/tools/testing/selftests/drivers/net/mlxsw/qos_max_descriptors.sh index 2b5d2c2751d5..a4a25637fe2a 100755 --- a/tools/testing/selftests/drivers/net/mlxsw/qos_max_descriptors.sh +++ b/tools/testing/selftests/drivers/net/mlxsw/qos_max_descriptors.sh @@ -68,8 +68,7 @@ mlxsw_only_on_spectrum 2+ || exit h1_create() { - simple_if_init $h1 - defer simple_if_fini $h1 + adf_simple_if_init $h1 vlan_create $h1 111 v$h1 192.0.2.33/28 defer vlan_destroy $h1 111 @@ -78,8 +77,7 @@ h1_create() h2_create() { - simple_if_init $h2 - defer simple_if_fini $h2 + adf_simple_if_init $h2 vlan_create $h2 111 v$h2 192.0.2.34/28 defer vlan_destroy $h2 111 @@ -178,8 +176,7 @@ setup_prepare() h2mac=$(mac_get $h2) - vrf_prepare - defer vrf_cleanup + adf_vrf_prepare h1_create h2_create diff --git a/tools/testing/selftests/drivers/net/mlxsw/qos_mc_aware.sh b/tools/testing/selftests/drivers/net/mlxsw/qos_mc_aware.sh index cd4a5c21360c..d8f8ae8533cd 100755 --- a/tools/testing/selftests/drivers/net/mlxsw/qos_mc_aware.sh +++ b/tools/testing/selftests/drivers/net/mlxsw/qos_mc_aware.sh @@ -72,8 +72,7 @@ source qos_lib.sh h1_create() { - simple_if_init $h1 192.0.2.65/28 - defer simple_if_fini $h1 192.0.2.65/28 + adf_simple_if_init $h1 192.0.2.65/28 mtu_set $h1 10000 defer mtu_restore $h1 @@ -81,8 +80,7 @@ h1_create() h2_create() { - simple_if_init $h2 - defer simple_if_fini $h2 + adf_simple_if_init $h2 mtu_set $h2 10000 defer mtu_restore $h2 @@ -94,8 +92,7 @@ h2_create() h3_create() { - simple_if_init $h3 192.0.2.66/28 - defer simple_if_fini $h3 192.0.2.66/28 + adf_simple_if_init $h3 192.0.2.66/28 mtu_set $h3 10000 defer mtu_restore $h3 @@ -196,8 +193,7 @@ setup_prepare() h3mac=$(mac_get $h3) - vrf_prepare - defer vrf_cleanup + adf_vrf_prepare h1_create h2_create diff --git a/tools/testing/selftests/drivers/net/mlxsw/sch_red_core.sh b/tools/testing/selftests/drivers/net/mlxsw/sch_red_core.sh index 537d6baa77b7..47d2ffcf366e 100644 --- a/tools/testing/selftests/drivers/net/mlxsw/sch_red_core.sh +++ b/tools/testing/selftests/drivers/net/mlxsw/sch_red_core.sh @@ -100,8 +100,7 @@ host_create() local dev=$1; shift local host=$1; shift - simple_if_init $dev - defer simple_if_fini $dev + adf_simple_if_init $dev mtu_set $dev 10000 defer mtu_restore $dev @@ -250,8 +249,7 @@ setup_prepare() h3_mac=$(mac_get $h3) - vrf_prepare - defer vrf_cleanup + adf_vrf_prepare h1_create h2_create diff --git a/tools/testing/selftests/drivers/net/napi_threaded.py b/tools/testing/selftests/drivers/net/napi_threaded.py index b2698db39817..f4be72b2145a 100755 --- a/tools/testing/selftests/drivers/net/napi_threaded.py +++ b/tools/testing/selftests/drivers/net/napi_threaded.py @@ -24,7 +24,8 @@ def _assert_napi_threaded_disabled(nl, napi_id) -> None: def _set_threaded_state(cfg, threaded) -> None: - cmd(f"echo {threaded} > /sys/class/net/{cfg.ifname}/threaded") + with open(f"/sys/class/net/{cfg.ifname}/threaded", "wb") as fp: + fp.write(str(threaded).encode('utf-8')) def _setup_deferred_cleanup(cfg) -> None: @@ -35,6 +36,36 @@ def _setup_deferred_cleanup(cfg) -> None: threaded = cmd(f"cat /sys/class/net/{cfg.ifname}/threaded").stdout defer(_set_threaded_state, cfg, threaded) + return combined + + +def napi_init(cfg, nl) -> None: + """ + Test that threaded state (in the persistent NAPI config) gets updated + even when NAPI with given ID is not allocated at the time. + """ + + qcnt = _setup_deferred_cleanup(cfg) + + _set_threaded_state(cfg, 1) + cmd(f"ethtool -L {cfg.ifname} combined 1") + _set_threaded_state(cfg, 0) + cmd(f"ethtool -L {cfg.ifname} combined {qcnt}") + + napis = nl.napi_get({'ifindex': cfg.ifindex}, dump=True) + for napi in napis: + ksft_eq(napi['threaded'], 'disabled') + ksft_eq(napi.get('pid'), None) + + cmd(f"ethtool -L {cfg.ifname} combined 1") + _set_threaded_state(cfg, 1) + cmd(f"ethtool -L {cfg.ifname} combined {qcnt}") + + napis = nl.napi_get({'ifindex': cfg.ifindex}, dump=True) + for napi in napis: + ksft_eq(napi['threaded'], 'enabled') + ksft_ne(napi.get('pid'), None) + def enable_dev_threaded_disable_napi_threaded(cfg, nl) -> None: """ @@ -49,7 +80,7 @@ def enable_dev_threaded_disable_napi_threaded(cfg, nl) -> None: napi0_id = napis[0]['id'] napi1_id = napis[1]['id'] - _setup_deferred_cleanup(cfg) + qcnt = _setup_deferred_cleanup(cfg) # set threaded _set_threaded_state(cfg, 1) @@ -62,7 +93,7 @@ def enable_dev_threaded_disable_napi_threaded(cfg, nl) -> None: nl.napi_set({'id': napi1_id, 'threaded': 'disabled'}) cmd(f"ethtool -L {cfg.ifname} combined 1") - cmd(f"ethtool -L {cfg.ifname} combined 2") + cmd(f"ethtool -L {cfg.ifname} combined {qcnt}") _assert_napi_threaded_enabled(nl, napi0_id) _assert_napi_threaded_disabled(nl, napi1_id) @@ -80,7 +111,7 @@ def change_num_queues(cfg, nl) -> None: napi0_id = napis[0]['id'] napi1_id = napis[1]['id'] - _setup_deferred_cleanup(cfg) + qcnt = _setup_deferred_cleanup(cfg) # set threaded _set_threaded_state(cfg, 1) @@ -90,7 +121,7 @@ def change_num_queues(cfg, nl) -> None: _assert_napi_threaded_enabled(nl, napi1_id) cmd(f"ethtool -L {cfg.ifname} combined 1") - cmd(f"ethtool -L {cfg.ifname} combined 2") + cmd(f"ethtool -L {cfg.ifname} combined {qcnt}") # check napi threaded is set for both napis _assert_napi_threaded_enabled(nl, napi0_id) @@ -101,7 +132,8 @@ def main() -> None: """ Ksft boiler plate main """ with NetDrvEnv(__file__, queue_count=2) as cfg: - ksft_run([change_num_queues, + ksft_run([napi_init, + change_num_queues, enable_dev_threaded_disable_napi_threaded], args=(cfg, NetdevFamily())) ksft_exit() diff --git a/tools/testing/selftests/drivers/net/netcons_cmdline.sh b/tools/testing/selftests/drivers/net/netcons_cmdline.sh index ad2fb8b1c463..d1d23dc67f99 100755 --- a/tools/testing/selftests/drivers/net/netcons_cmdline.sh +++ b/tools/testing/selftests/drivers/net/netcons_cmdline.sh @@ -19,9 +19,6 @@ check_netconsole_module modprobe netdevsim 2> /dev/null || true rmmod netconsole 2> /dev/null || true -# The content of kmsg will be save to the following file -OUTPUT_FILE="/tmp/${TARGET}" - # Check for basic system dependency and exit if not found # check_for_dependencies # Set current loglevel to KERN_INFO(6), and default to KERN_NOTICE(5) @@ -30,23 +27,39 @@ echo "6 5" > /proc/sys/kernel/printk trap do_cleanup EXIT # Create one namespace and two interfaces set_network -# Create the command line for netconsole, with the configuration from the -# function above -CMDLINE="$(create_cmdline_str)" - -# Load the module, with the cmdline set -modprobe netconsole "${CMDLINE}" - -# Listed for netconsole port inside the namespace and destination interface -listen_port_and_save_to "${OUTPUT_FILE}" & -# Wait for socat to start and listen to the port. -wait_local_port_listen "${NAMESPACE}" "${PORT}" udp -# Send the message -echo "${MSG}: ${TARGET}" > /dev/kmsg -# Wait until socat saves the file to disk -busywait "${BUSYWAIT_TIMEOUT}" test -s "${OUTPUT_FILE}" -# Make sure the message was received in the dst part -# and exit -validate_msg "${OUTPUT_FILE}" + +# Run the test twice, with different cmdline parameters +for BINDMODE in "ifname" "mac" +do + echo "Running with bind mode: ${BINDMODE}" >&2 + # Create the command line for netconsole, with the configuration from + # the function above + CMDLINE=$(create_cmdline_str "${BINDMODE}") + + # The content of kmsg will be save to the following file + OUTPUT_FILE="/tmp/${TARGET}-${BINDMODE}" + + # Load the module, with the cmdline set + modprobe netconsole "${CMDLINE}" + + # Listed for netconsole port inside the namespace and destination + # interface + listen_port_and_save_to "${OUTPUT_FILE}" & + # Wait for socat to start and listen to the port. + wait_local_port_listen "${NAMESPACE}" "${PORT}" udp + # Send the message + echo "${MSG}: ${TARGET}" > /dev/kmsg + # Wait until socat saves the file to disk + busywait "${BUSYWAIT_TIMEOUT}" test -s "${OUTPUT_FILE}" + # Make sure the message was received in the dst part + # and exit + validate_msg "${OUTPUT_FILE}" + + # kill socat in case it is still running + pkill_socat + # Unload the module + rmmod netconsole + echo "${BINDMODE} : Test passed" >&2 +done exit "${ksft_pass}" diff --git a/tools/testing/selftests/drivers/net/psp.py b/tools/testing/selftests/drivers/net/psp.py new file mode 100755 index 000000000000..4ae7a785ff10 --- /dev/null +++ b/tools/testing/selftests/drivers/net/psp.py @@ -0,0 +1,627 @@ +#!/usr/bin/env python3 +# SPDX-License-Identifier: GPL-2.0 + +"""Test suite for PSP capable drivers.""" + +import errno +import fcntl +import socket +import struct +import termios +import time + +from lib.py import defer +from lib.py import ksft_run, ksft_exit, ksft_pr +from lib.py import ksft_true, ksft_eq, ksft_ne, ksft_gt, ksft_raises +from lib.py import ksft_not_none +from lib.py import KsftSkipEx +from lib.py import NetDrvEpEnv, PSPFamily, NlError +from lib.py import bkg, rand_port, wait_port_listen + + +def _get_outq(s): + one = b'\0' * 4 + outq = fcntl.ioctl(s.fileno(), termios.TIOCOUTQ, one) + return struct.unpack("I", outq)[0] + + +def _send_with_ack(cfg, msg): + cfg.comm_sock.send(msg) + response = cfg.comm_sock.recv(4) + if response != b'ack\0': + raise RuntimeError("Unexpected server response", response) + + +def _remote_read_len(cfg): + cfg.comm_sock.send(b'read len\0') + return int(cfg.comm_sock.recv(1024)[:-1].decode('utf-8')) + + +def _make_clr_conn(cfg, ipver=None): + _send_with_ack(cfg, b'conn clr\0') + remote_addr = cfg.remote_addr_v[ipver] if ipver else cfg.remote_addr + s = socket.create_connection((remote_addr, cfg.comm_port), ) + return s + + +def _make_psp_conn(cfg, version=0, ipver=None): + _send_with_ack(cfg, b'conn psp\0' + struct.pack('BB', version, version)) + remote_addr = cfg.remote_addr_v[ipver] if ipver else cfg.remote_addr + s = socket.create_connection((remote_addr, cfg.comm_port), ) + return s + + +def _close_conn(cfg, s): + _send_with_ack(cfg, b'data close\0') + s.close() + + +def _close_psp_conn(cfg, s): + _close_conn(cfg, s) + + +def _spi_xchg(s, rx): + s.send(struct.pack('I', rx['spi']) + rx['key']) + tx = s.recv(4 + len(rx['key'])) + return { + 'spi': struct.unpack('I', tx[:4])[0], + 'key': tx[4:] + } + + +def _send_careful(cfg, s, rounds): + data = b'0123456789' * 200 + for i in range(rounds): + n = 0 + for _ in range(10): # allow 10 retries + try: + n += s.send(data[n:], socket.MSG_DONTWAIT) + if n == len(data): + break + except BlockingIOError: + time.sleep(0.05) + else: + rlen = _remote_read_len(cfg) + outq = _get_outq(s) + report = f'sent: {i * len(data) + n} remote len: {rlen} outq: {outq}' + raise RuntimeError(report) + + return len(data) * rounds + + +def _check_data_rx(cfg, exp_len): + read_len = -1 + for _ in range(30): + cfg.comm_sock.send(b'read len\0') + read_len = int(cfg.comm_sock.recv(1024)[:-1].decode('utf-8')) + if read_len == exp_len: + break + time.sleep(0.01) + ksft_eq(read_len, exp_len) + + +def _check_data_outq(s, exp_len, force_wait=False): + outq = 0 + for _ in range(10): + outq = _get_outq(s) + if not force_wait and outq == exp_len: + break + time.sleep(0.01) + ksft_eq(outq, exp_len) + +# +# Test case boiler plate +# + +def _init_psp_dev(cfg): + if not hasattr(cfg, 'psp_dev_id'): + # Figure out which local device we are testing against + for dev in cfg.pspnl.dev_get({}, dump=True): + if dev['ifindex'] == cfg.ifindex: + cfg.psp_info = dev + cfg.psp_dev_id = cfg.psp_info['id'] + break + else: + raise KsftSkipEx("No PSP devices found") + + # Enable PSP if necessary + cap = cfg.psp_info['psp-versions-cap'] + ena = cfg.psp_info['psp-versions-ena'] + if cap != ena: + cfg.pspnl.dev_set({'id': cfg.psp_dev_id, 'psp-versions-ena': cap}) + defer(cfg.pspnl.dev_set, {'id': cfg.psp_dev_id, + 'psp-versions-ena': ena }) + +# +# Test cases +# + +def dev_list_devices(cfg): + """ Dump all devices """ + _init_psp_dev(cfg) + + devices = cfg.pspnl.dev_get({}, dump=True) + + found = False + for dev in devices: + found |= dev['id'] == cfg.psp_dev_id + ksft_true(found) + + +def dev_get_device(cfg): + """ Get the device we intend to use """ + _init_psp_dev(cfg) + + dev = cfg.pspnl.dev_get({'id': cfg.psp_dev_id}) + ksft_eq(dev['id'], cfg.psp_dev_id) + + +def dev_get_device_bad(cfg): + """ Test getting device which doesn't exist """ + raised = False + try: + cfg.pspnl.dev_get({'id': 1234567}) + except NlError as e: + ksft_eq(e.nl_msg.error, -errno.ENODEV) + raised = True + ksft_true(raised) + + +def dev_rotate(cfg): + """ Test key rotation """ + _init_psp_dev(cfg) + + rot = cfg.pspnl.key_rotate({"id": cfg.psp_dev_id}) + ksft_eq(rot['id'], cfg.psp_dev_id) + rot = cfg.pspnl.key_rotate({"id": cfg.psp_dev_id}) + ksft_eq(rot['id'], cfg.psp_dev_id) + + +def dev_rotate_spi(cfg): + """ Test key rotation and SPI check """ + _init_psp_dev(cfg) + + top_a = top_b = 0 + with socket.socket(socket.AF_INET6, socket.SOCK_STREAM) as s: + assoc_a = cfg.pspnl.rx_assoc({"version": 0, + "dev-id": cfg.psp_dev_id, + "sock-fd": s.fileno()}) + top_a = assoc_a['rx-key']['spi'] >> 31 + s.close() + rot = cfg.pspnl.key_rotate({"id": cfg.psp_dev_id}) + with socket.socket(socket.AF_INET6, socket.SOCK_STREAM) as s: + ksft_eq(rot['id'], cfg.psp_dev_id) + assoc_b = cfg.pspnl.rx_assoc({"version": 0, + "dev-id": cfg.psp_dev_id, + "sock-fd": s.fileno()}) + top_b = assoc_b['rx-key']['spi'] >> 31 + s.close() + ksft_ne(top_a, top_b) + + +def assoc_basic(cfg): + """ Test creating associations """ + _init_psp_dev(cfg) + + with socket.socket(socket.AF_INET6, socket.SOCK_STREAM) as s: + assoc = cfg.pspnl.rx_assoc({"version": 0, + "dev-id": cfg.psp_dev_id, + "sock-fd": s.fileno()}) + ksft_eq(assoc['dev-id'], cfg.psp_dev_id) + ksft_gt(assoc['rx-key']['spi'], 0) + ksft_eq(len(assoc['rx-key']['key']), 16) + + assoc = cfg.pspnl.tx_assoc({"dev-id": cfg.psp_dev_id, + "version": 0, + "tx-key": assoc['rx-key'], + "sock-fd": s.fileno()}) + ksft_eq(len(assoc), 0) + s.close() + + +def assoc_bad_dev(cfg): + """ Test creating associations with bad device ID """ + _init_psp_dev(cfg) + + with socket.socket(socket.AF_INET6, socket.SOCK_STREAM) as s: + with ksft_raises(NlError) as cm: + cfg.pspnl.rx_assoc({"version": 0, + "dev-id": cfg.psp_dev_id + 1234567, + "sock-fd": s.fileno()}) + ksft_eq(cm.exception.nl_msg.error, -errno.ENODEV) + + +def assoc_sk_only_conn(cfg): + """ Test creating associations based on socket """ + _init_psp_dev(cfg) + + with _make_clr_conn(cfg) as s: + assoc = cfg.pspnl.rx_assoc({"version": 0, + "sock-fd": s.fileno()}) + ksft_eq(assoc['dev-id'], cfg.psp_dev_id) + cfg.pspnl.tx_assoc({"version": 0, + "tx-key": assoc['rx-key'], + "sock-fd": s.fileno()}) + _close_conn(cfg, s) + + +def assoc_sk_only_mismatch(cfg): + """ Test creating associations based on socket (dev mismatch) """ + _init_psp_dev(cfg) + + with _make_clr_conn(cfg) as s: + with ksft_raises(NlError) as cm: + cfg.pspnl.rx_assoc({"version": 0, + "dev-id": cfg.psp_dev_id + 1234567, + "sock-fd": s.fileno()}) + the_exception = cm.exception + ksft_eq(the_exception.nl_msg.extack['bad-attr'], ".dev-id") + ksft_eq(the_exception.nl_msg.error, -errno.EINVAL) + + +def assoc_sk_only_mismatch_tx(cfg): + """ Test creating associations based on socket (dev mismatch) """ + _init_psp_dev(cfg) + + with _make_clr_conn(cfg) as s: + with ksft_raises(NlError) as cm: + assoc = cfg.pspnl.rx_assoc({"version": 0, + "sock-fd": s.fileno()}) + cfg.pspnl.tx_assoc({"version": 0, + "tx-key": assoc['rx-key'], + "dev-id": cfg.psp_dev_id + 1234567, + "sock-fd": s.fileno()}) + the_exception = cm.exception + ksft_eq(the_exception.nl_msg.extack['bad-attr'], ".dev-id") + ksft_eq(the_exception.nl_msg.error, -errno.EINVAL) + + +def assoc_sk_only_unconn(cfg): + """ Test creating associations based on socket (unconnected, should fail) """ + _init_psp_dev(cfg) + + with socket.socket(socket.AF_INET6, socket.SOCK_STREAM) as s: + with ksft_raises(NlError) as cm: + cfg.pspnl.rx_assoc({"version": 0, + "sock-fd": s.fileno()}) + the_exception = cm.exception + ksft_eq(the_exception.nl_msg.extack['miss-type'], "dev-id") + ksft_eq(the_exception.nl_msg.error, -errno.EINVAL) + + +def assoc_version_mismatch(cfg): + """ Test creating associations where Rx and Tx PSP versions do not match """ + _init_psp_dev(cfg) + + versions = list(cfg.psp_info['psp-versions-cap']) + if len(versions) < 2: + raise KsftSkipEx("Not enough PSP versions supported by the device for the test") + + # Translate versions to integers + versions = [cfg.pspnl.consts["version"].entries[v].value for v in versions] + + with socket.socket(socket.AF_INET6, socket.SOCK_STREAM) as s: + rx = cfg.pspnl.rx_assoc({"version": versions[0], + "dev-id": cfg.psp_dev_id, + "sock-fd": s.fileno()}) + + for version in versions[1:]: + with ksft_raises(NlError) as cm: + cfg.pspnl.tx_assoc({"dev-id": cfg.psp_dev_id, + "version": version, + "tx-key": rx['rx-key'], + "sock-fd": s.fileno()}) + the_exception = cm.exception + ksft_eq(the_exception.nl_msg.error, -errno.EINVAL) + + +def assoc_twice(cfg): + """ Test reusing Tx assoc for two sockets """ + _init_psp_dev(cfg) + + def rx_assoc_check(s): + assoc = cfg.pspnl.rx_assoc({"version": 0, + "dev-id": cfg.psp_dev_id, + "sock-fd": s.fileno()}) + ksft_eq(assoc['dev-id'], cfg.psp_dev_id) + ksft_gt(assoc['rx-key']['spi'], 0) + ksft_eq(len(assoc['rx-key']['key']), 16) + + return assoc + + with socket.socket(socket.AF_INET6, socket.SOCK_STREAM) as s: + assoc = rx_assoc_check(s) + tx = cfg.pspnl.tx_assoc({"dev-id": cfg.psp_dev_id, + "version": 0, + "tx-key": assoc['rx-key'], + "sock-fd": s.fileno()}) + ksft_eq(len(tx), 0) + + # Use the same Tx assoc second time + with socket.socket(socket.AF_INET6, socket.SOCK_STREAM) as s2: + rx_assoc_check(s2) + tx = cfg.pspnl.tx_assoc({"dev-id": cfg.psp_dev_id, + "version": 0, + "tx-key": assoc['rx-key'], + "sock-fd": s2.fileno()}) + ksft_eq(len(tx), 0) + + s.close() + + +def _data_basic_send(cfg, version, ipver): + """ Test basic data send """ + _init_psp_dev(cfg) + + # Version 0 is required by spec, don't let it skip + if version: + name = cfg.pspnl.consts["version"].entries_by_val[version].name + if name not in cfg.psp_info['psp-versions-cap']: + with socket.socket(socket.AF_INET6, socket.SOCK_STREAM) as s: + with ksft_raises(NlError) as cm: + cfg.pspnl.rx_assoc({"version": version, + "dev-id": cfg.psp_dev_id, + "sock-fd": s.fileno()}) + ksft_eq(cm.exception.nl_msg.error, -errno.EOPNOTSUPP) + raise KsftSkipEx("PSP version not supported", name) + + s = _make_psp_conn(cfg, version, ipver) + + rx_assoc = cfg.pspnl.rx_assoc({"version": version, + "dev-id": cfg.psp_dev_id, + "sock-fd": s.fileno()}) + rx = rx_assoc['rx-key'] + tx = _spi_xchg(s, rx) + + cfg.pspnl.tx_assoc({"dev-id": cfg.psp_dev_id, + "version": version, + "tx-key": tx, + "sock-fd": s.fileno()}) + + data_len = _send_careful(cfg, s, 100) + _check_data_rx(cfg, data_len) + _close_psp_conn(cfg, s) + + +def __bad_xfer_do(cfg, s, tx, version='hdr0-aes-gcm-128'): + # Make sure we accept the ACK for the SPI before we seal with the bad assoc + _check_data_outq(s, 0) + + cfg.pspnl.tx_assoc({"dev-id": cfg.psp_dev_id, + "version": version, + "tx-key": tx, + "sock-fd": s.fileno()}) + + data_len = _send_careful(cfg, s, 20) + _check_data_outq(s, data_len, force_wait=True) + _check_data_rx(cfg, 0) + _close_psp_conn(cfg, s) + + +def data_send_bad_key(cfg): + """ Test send data with bad key """ + _init_psp_dev(cfg) + + s = _make_psp_conn(cfg) + + rx_assoc = cfg.pspnl.rx_assoc({"version": 0, + "dev-id": cfg.psp_dev_id, + "sock-fd": s.fileno()}) + rx = rx_assoc['rx-key'] + tx = _spi_xchg(s, rx) + tx['key'] = (tx['key'][0] ^ 0xff).to_bytes(1, 'little') + tx['key'][1:] + __bad_xfer_do(cfg, s, tx) + + +def data_send_disconnect(cfg): + """ Test socket close after sending data """ + _init_psp_dev(cfg) + + with _make_psp_conn(cfg) as s: + assoc = cfg.pspnl.rx_assoc({"version": 0, + "sock-fd": s.fileno()}) + tx = _spi_xchg(s, assoc['rx-key']) + cfg.pspnl.tx_assoc({"version": 0, + "tx-key": tx, + "sock-fd": s.fileno()}) + + data_len = _send_careful(cfg, s, 100) + _check_data_rx(cfg, data_len) + + s.shutdown(socket.SHUT_RDWR) + s.close() + + +def _data_mss_adjust(cfg, ipver): + _init_psp_dev(cfg) + + # First figure out what the MSS would be without any adjustments + s = _make_clr_conn(cfg, ipver) + s.send(b"0123456789abcdef" * 1024) + _check_data_rx(cfg, 16 * 1024) + mss = s.getsockopt(socket.IPPROTO_TCP, socket.TCP_MAXSEG) + _close_conn(cfg, s) + + s = _make_psp_conn(cfg, 0, ipver) + try: + rx_assoc = cfg.pspnl.rx_assoc({"version": 0, + "dev-id": cfg.psp_dev_id, + "sock-fd": s.fileno()}) + rx = rx_assoc['rx-key'] + tx = _spi_xchg(s, rx) + + rxmss = s.getsockopt(socket.IPPROTO_TCP, socket.TCP_MAXSEG) + ksft_eq(mss, rxmss) + + cfg.pspnl.tx_assoc({"dev-id": cfg.psp_dev_id, + "version": 0, + "tx-key": tx, + "sock-fd": s.fileno()}) + + txmss = s.getsockopt(socket.IPPROTO_TCP, socket.TCP_MAXSEG) + ksft_eq(mss, txmss + 40) + + data_len = _send_careful(cfg, s, 100) + _check_data_rx(cfg, data_len) + _check_data_outq(s, 0) + + txmss = s.getsockopt(socket.IPPROTO_TCP, socket.TCP_MAXSEG) + ksft_eq(mss, txmss + 40) + finally: + _close_psp_conn(cfg, s) + + +def data_stale_key(cfg): + """ Test send on a double-rotated key """ + _init_psp_dev(cfg) + + s = _make_psp_conn(cfg) + try: + rx_assoc = cfg.pspnl.rx_assoc({"version": 0, + "dev-id": cfg.psp_dev_id, + "sock-fd": s.fileno()}) + rx = rx_assoc['rx-key'] + tx = _spi_xchg(s, rx) + + cfg.pspnl.tx_assoc({"dev-id": cfg.psp_dev_id, + "version": 0, + "tx-key": tx, + "sock-fd": s.fileno()}) + + data_len = _send_careful(cfg, s, 100) + _check_data_rx(cfg, data_len) + _check_data_outq(s, 0) + + cfg.pspnl.key_rotate({"id": cfg.psp_dev_id}) + cfg.pspnl.key_rotate({"id": cfg.psp_dev_id}) + + s.send(b'0123456789' * 200) + _check_data_outq(s, 2000, force_wait=True) + finally: + _close_psp_conn(cfg, s) + + +def __nsim_psp_rereg(cfg): + # The PSP dev ID will change, remember what was there before + before = set([x['id'] for x in cfg.pspnl.dev_get({}, dump=True)]) + + cfg._ns.nsims[0].dfs_write('psp_rereg', '1') + + after = set([x['id'] for x in cfg.pspnl.dev_get({}, dump=True)]) + + new_devs = list(after - before) + ksft_eq(len(new_devs), 1) + cfg.psp_dev_id = list(after - before)[0] + + +def removal_device_rx(cfg): + """ Test removing a netdev / PSD with active Rx assoc """ + + # We could technically devlink reload real devices, too + # but that kills the control socket. So test this on + # netdevsim only for now + cfg.require_nsim() + + s = _make_clr_conn(cfg) + try: + rx_assoc = cfg.pspnl.rx_assoc({"version": 0, + "dev-id": cfg.psp_dev_id, + "sock-fd": s.fileno()}) + ksft_not_none(rx_assoc) + + __nsim_psp_rereg(cfg) + finally: + _close_conn(cfg, s) + + +def removal_device_bi(cfg): + """ Test removing a netdev / PSD with active Rx/Tx assoc """ + + # We could technically devlink reload real devices, too + # but that kills the control socket. So test this on + # netdevsim only for now + cfg.require_nsim() + + s = _make_clr_conn(cfg) + try: + rx_assoc = cfg.pspnl.rx_assoc({"version": 0, + "dev-id": cfg.psp_dev_id, + "sock-fd": s.fileno()}) + cfg.pspnl.tx_assoc({"dev-id": cfg.psp_dev_id, + "version": 0, + "tx-key": rx_assoc['rx-key'], + "sock-fd": s.fileno()}) + __nsim_psp_rereg(cfg) + finally: + _close_conn(cfg, s) + + +def psp_ip_ver_test_builder(name, test_func, psp_ver, ipver): + """Build test cases for each combo of PSP version and IP version""" + def test_case(cfg): + cfg.require_ipver(ipver) + test_case.__name__ = f"{name}_v{psp_ver}_ip{ipver}" + test_func(cfg, psp_ver, ipver) + return test_case + + +def ipver_test_builder(name, test_func, ipver): + """Build test cases for each IP version""" + def test_case(cfg): + cfg.require_ipver(ipver) + test_case.__name__ = f"{name}_ip{ipver}" + test_func(cfg, ipver) + return test_case + + +def main() -> None: + """ Ksft boiler plate main """ + + with NetDrvEpEnv(__file__) as cfg: + cfg.pspnl = PSPFamily() + + # Set up responder and communication sock + responder = cfg.remote.deploy("psp_responder") + + cfg.comm_port = rand_port() + srv = None + try: + with bkg(responder + f" -p {cfg.comm_port}", host=cfg.remote, + exit_wait=True) as srv: + wait_port_listen(cfg.comm_port, host=cfg.remote) + + cfg.comm_sock = socket.create_connection((cfg.remote_addr, + cfg.comm_port), + timeout=1) + + cases = [ + psp_ip_ver_test_builder( + "data_basic_send", _data_basic_send, version, ipver + ) + for version in range(0, 4) + for ipver in ("4", "6") + ] + cases += [ + ipver_test_builder("data_mss_adjust", _data_mss_adjust, ipver) + for ipver in ("4", "6") + ] + + ksft_run(cases=cases, globs=globals(), + case_pfx={"dev_", "data_", "assoc_", "removal_"}, + args=(cfg, )) + + cfg.comm_sock.send(b"exit\0") + cfg.comm_sock.close() + finally: + if srv and (srv.stdout or srv.stderr): + ksft_pr("") + ksft_pr(f"Responder logs ({srv.ret}):") + if srv and srv.stdout: + ksft_pr("STDOUT:\n# " + srv.stdout.strip().replace("\n", "\n# ")) + if srv and srv.stderr: + ksft_pr("STDERR:\n# " + srv.stderr.strip().replace("\n", "\n# ")) + ksft_exit() + + +if __name__ == "__main__": + main() diff --git a/tools/testing/selftests/drivers/net/psp_responder.c b/tools/testing/selftests/drivers/net/psp_responder.c new file mode 100644 index 000000000000..f309e0d73cbf --- /dev/null +++ b/tools/testing/selftests/drivers/net/psp_responder.c @@ -0,0 +1,483 @@ +// SPDX-License-Identifier: GPL-2.0 + +#include <stdio.h> +#include <string.h> +#include <sys/poll.h> +#include <sys/socket.h> +#include <sys/time.h> +#include <netinet/in.h> +#include <unistd.h> + +#include <ynl.h> + +#include "psp-user.h" + +#define dbg(msg...) \ +do { \ + if (opts->verbose) \ + fprintf(stderr, "DEBUG: " msg); \ +} while (0) + +static bool should_quit; + +struct opts { + int port; + int devid; + bool verbose; +}; + +enum accept_cfg { + ACCEPT_CFG_NONE = 0, + ACCEPT_CFG_CLEAR, + ACCEPT_CFG_PSP, +}; + +static struct { + unsigned char tx; + unsigned char rx; +} psp_vers; + +static int conn_setup_psp(struct ynl_sock *ys, struct opts *opts, int data_sock) +{ + struct psp_rx_assoc_rsp *rsp; + struct psp_rx_assoc_req *req; + struct psp_tx_assoc_rsp *tsp; + struct psp_tx_assoc_req *teq; + char info[300]; + int key_len; + ssize_t sz; + __u32 spi; + + dbg("create PSP connection\n"); + + // Rx assoc alloc + req = psp_rx_assoc_req_alloc(); + + psp_rx_assoc_req_set_sock_fd(req, data_sock); + psp_rx_assoc_req_set_version(req, psp_vers.rx); + + rsp = psp_rx_assoc(ys, req); + psp_rx_assoc_req_free(req); + + if (!rsp) { + perror("ERROR: failed to Rx assoc"); + return -1; + } + + // SPI exchange + key_len = rsp->rx_key._len.key; + memcpy(info, &rsp->rx_key.spi, sizeof(spi)); + memcpy(&info[sizeof(spi)], rsp->rx_key.key, key_len); + sz = sizeof(spi) + key_len; + + send(data_sock, info, sz, MSG_WAITALL); + psp_rx_assoc_rsp_free(rsp); + + sz = recv(data_sock, info, sz, MSG_WAITALL); + if (sz < 0) { + perror("ERROR: failed to read PSP key from sock"); + return -1; + } + memcpy(&spi, info, sizeof(spi)); + + // Setup Tx assoc + teq = psp_tx_assoc_req_alloc(); + + psp_tx_assoc_req_set_sock_fd(teq, data_sock); + psp_tx_assoc_req_set_version(teq, psp_vers.tx); + psp_tx_assoc_req_set_tx_key_spi(teq, spi); + psp_tx_assoc_req_set_tx_key_key(teq, &info[sizeof(spi)], key_len); + + tsp = psp_tx_assoc(ys, teq); + psp_tx_assoc_req_free(teq); + if (!tsp) { + perror("ERROR: failed to Tx assoc"); + return -1; + } + psp_tx_assoc_rsp_free(tsp); + + return 0; +} + +static void send_ack(int sock) +{ + send(sock, "ack", 4, MSG_WAITALL); +} + +static void send_err(int sock) +{ + send(sock, "err", 4, MSG_WAITALL); +} + +static void send_str(int sock, int value) +{ + char buf[128]; + int ret; + + ret = snprintf(buf, sizeof(buf), "%d", value); + send(sock, buf, ret + 1, MSG_WAITALL); +} + +static void +run_session(struct ynl_sock *ys, struct opts *opts, + int server_sock, int comm_sock) +{ + enum accept_cfg accept_cfg = ACCEPT_CFG_NONE; + struct pollfd pfds[3]; + size_t data_read = 0; + int data_sock = -1; + + while (true) { + bool race_close = false; + int nfds; + + memset(pfds, 0, sizeof(pfds)); + + pfds[0].fd = server_sock; + pfds[0].events = POLLIN; + + pfds[1].fd = comm_sock; + pfds[1].events = POLLIN; + + nfds = 2; + if (data_sock >= 0) { + pfds[2].fd = data_sock; + pfds[2].events = POLLIN; + nfds++; + } + + dbg(" ...\n"); + if (poll(pfds, nfds, -1) < 0) { + perror("poll"); + break; + } + + /* data sock */ + if (pfds[2].revents & POLLIN) { + char buf[8192]; + ssize_t n; + + n = recv(data_sock, buf, sizeof(buf), 0); + if (n <= 0) { + if (n < 0) + perror("data read"); + close(data_sock); + data_sock = -1; + dbg("data sock closed\n"); + } else { + data_read += n; + dbg("data read %zd\n", data_read); + } + } + + /* comm sock */ + if (pfds[1].revents & POLLIN) { + static char buf[4096]; + static ssize_t off; + bool consumed; + ssize_t n; + + n = recv(comm_sock, &buf[off], sizeof(buf) - off, 0); + if (n <= 0) { + if (n < 0) + perror("comm read"); + return; + } + + off += n; + n = off; + +#define __consume(sz) \ + ({ \ + if (n == (sz)) { \ + off = 0; \ + } else { \ + off -= (sz); \ + memmove(buf, &buf[(sz)], off); \ + } \ + }) + +#define cmd(_name) \ + ({ \ + ssize_t sz = sizeof(_name); \ + bool match = n >= sz && !memcmp(buf, _name, sz); \ + \ + if (match) { \ + dbg("command: " _name "\n"); \ + __consume(sz); \ + } \ + consumed |= match; \ + match; \ + }) + + do { + consumed = false; + + if (cmd("read len")) + send_str(comm_sock, data_read); + + if (cmd("data echo")) { + if (data_sock >= 0) + send(data_sock, "echo", 5, + MSG_WAITALL); + else + fprintf(stderr, "WARN: echo but no data sock\n"); + send_ack(comm_sock); + } + if (cmd("data close")) { + if (data_sock >= 0) { + close(data_sock); + data_sock = -1; + send_ack(comm_sock); + } else { + race_close = true; + } + } + if (cmd("conn psp")) { + if (accept_cfg != ACCEPT_CFG_NONE) + fprintf(stderr, "WARN: old conn config still set!\n"); + accept_cfg = ACCEPT_CFG_PSP; + send_ack(comm_sock); + /* next two bytes are versions */ + if (off >= 2) { + memcpy(&psp_vers, buf, 2); + __consume(2); + } else { + fprintf(stderr, "WARN: short conn psp command!\n"); + } + } + if (cmd("conn clr")) { + if (accept_cfg != ACCEPT_CFG_NONE) + fprintf(stderr, "WARN: old conn config still set!\n"); + accept_cfg = ACCEPT_CFG_CLEAR; + send_ack(comm_sock); + } + if (cmd("exit")) + should_quit = true; +#undef cmd + + if (!consumed) { + fprintf(stderr, "WARN: unknown cmd: [%zd] %s\n", + off, buf); + } + } while (consumed && off); + } + + /* server sock */ + if (pfds[0].revents & POLLIN) { + if (data_sock >= 0) { + fprintf(stderr, "WARN: new data sock but old one still here\n"); + close(data_sock); + data_sock = -1; + } + data_sock = accept(server_sock, NULL, NULL); + if (data_sock < 0) { + perror("accept"); + continue; + } + data_read = 0; + + if (accept_cfg == ACCEPT_CFG_CLEAR) { + dbg("new data sock: clear\n"); + /* nothing to do */ + } else if (accept_cfg == ACCEPT_CFG_PSP) { + dbg("new data sock: psp\n"); + conn_setup_psp(ys, opts, data_sock); + } else { + fprintf(stderr, "WARN: new data sock but no config\n"); + } + accept_cfg = ACCEPT_CFG_NONE; + } + + if (race_close) { + if (data_sock >= 0) { + /* indeed, ordering problem, handle the close */ + close(data_sock); + data_sock = -1; + send_ack(comm_sock); + } else { + fprintf(stderr, "WARN: close but no data sock\n"); + send_err(comm_sock); + } + } + } + dbg("session ending\n"); +} + +static int spawn_server(struct opts *opts) +{ + struct sockaddr_in6 addr; + int fd; + + fd = socket(AF_INET6, SOCK_STREAM, 0); + if (fd < 0) { + perror("can't open socket"); + return -1; + } + + memset(&addr, 0, sizeof(addr)); + + addr.sin6_family = AF_INET6; + addr.sin6_addr = in6addr_any; + addr.sin6_port = htons(opts->port); + + if (bind(fd, (struct sockaddr *)&addr, sizeof(addr))) { + perror("can't bind socket"); + return -1; + } + + if (listen(fd, 5)) { + perror("can't listen"); + return -1; + } + + return fd; +} + +static int run_responder(struct ynl_sock *ys, struct opts *opts) +{ + int server_sock, comm; + + server_sock = spawn_server(opts); + if (server_sock < 0) + return 4; + + while (!should_quit) { + comm = accept(server_sock, NULL, NULL); + if (comm < 0) { + perror("accept failed"); + } else { + run_session(ys, opts, server_sock, comm); + close(comm); + } + } + + return 0; +} + +static void usage(const char *name, const char *miss) +{ + if (miss) + fprintf(stderr, "Missing argument: %s\n", miss); + + fprintf(stderr, "Usage: %s -p port [-v] [-d psp-dev-id]\n", name); + exit(EXIT_FAILURE); +} + +static void parse_cmd_opts(int argc, char **argv, struct opts *opts) +{ + int opt; + + while ((opt = getopt(argc, argv, "vp:d:")) != -1) { + switch (opt) { + case 'v': + opts->verbose = 1; + break; + case 'p': + opts->port = atoi(optarg); + break; + case 'd': + opts->devid = atoi(optarg); + break; + default: + usage(argv[0], NULL); + } + } +} + +static int psp_dev_set_ena(struct ynl_sock *ys, __u32 dev_id, __u32 versions) +{ + struct psp_dev_set_req *sreq; + struct psp_dev_set_rsp *srsp; + + fprintf(stderr, "Set PSP enable on device %d to 0x%x\n", + dev_id, versions); + + sreq = psp_dev_set_req_alloc(); + + psp_dev_set_req_set_id(sreq, dev_id); + psp_dev_set_req_set_psp_versions_ena(sreq, versions); + + srsp = psp_dev_set(ys, sreq); + psp_dev_set_req_free(sreq); + if (!srsp) + return 10; + + psp_dev_set_rsp_free(srsp); + return 0; +} + +int main(int argc, char **argv) +{ + struct psp_dev_get_list *dev_list; + bool devid_found = false; + __u32 ver_ena, ver_cap; + struct opts opts = {}; + struct ynl_error yerr; + struct ynl_sock *ys; + int first_id = 0; + int ret; + + parse_cmd_opts(argc, argv, &opts); + if (!opts.port) + usage(argv[0], "port"); // exits + + ys = ynl_sock_create(&ynl_psp_family, &yerr); + if (!ys) { + fprintf(stderr, "YNL: %s\n", yerr.msg); + return 1; + } + + dev_list = psp_dev_get_dump(ys); + if (ynl_dump_empty(dev_list)) { + if (ys->err.code) + goto err_close; + fprintf(stderr, "No PSP devices\n"); + goto err_close_silent; + } + + ynl_dump_foreach(dev_list, d) { + if (opts.devid) { + devid_found = true; + ver_ena = d->psp_versions_ena; + ver_cap = d->psp_versions_cap; + } else if (!first_id) { + first_id = d->id; + ver_ena = d->psp_versions_ena; + ver_cap = d->psp_versions_cap; + } else { + fprintf(stderr, "Multiple PSP devices found\n"); + goto err_close_silent; + } + } + psp_dev_get_list_free(dev_list); + + if (opts.devid && !devid_found) { + fprintf(stderr, "PSP device %d requested on cmdline, not found\n", + opts.devid); + goto err_close_silent; + } else if (!opts.devid) { + opts.devid = first_id; + } + + if (ver_ena != ver_cap) { + ret = psp_dev_set_ena(ys, opts.devid, ver_cap); + if (ret) + goto err_close; + } + + ret = run_responder(ys, &opts); + + if (ver_ena != ver_cap && psp_dev_set_ena(ys, opts.devid, ver_ena)) + fprintf(stderr, "WARN: failed to set the PSP versions back\n"); + + ynl_sock_destroy(ys); + + return ret; + +err_close: + fprintf(stderr, "YNL: %s\n", ys->err.msg); +err_close_silent: + ynl_sock_destroy(ys); + return 2; +} diff --git a/tools/testing/selftests/drivers/net/stats.py b/tools/testing/selftests/drivers/net/stats.py index c2bb5d3f1ca1..04d0a2a13e73 100755 --- a/tools/testing/selftests/drivers/net/stats.py +++ b/tools/testing/selftests/drivers/net/stats.py @@ -57,6 +57,36 @@ def check_fec(cfg) -> None: ksft_true(data['stats'], "driver does not report stats") +def check_fec_hist(cfg) -> None: + """ + Check that drivers which support FEC histogram statistics report + reasonable values. + """ + + try: + data = ethnl.fec_get({"header": {"dev-index": cfg.ifindex, + "flags": {'stats'}}}) + except NlError as e: + if e.error == errno.EOPNOTSUPP: + raise KsftSkipEx("FEC not supported by the device") from e + raise + if 'stats' not in data: + raise KsftSkipEx("FEC stats not supported by the device") + if 'hist' not in data['stats']: + raise KsftSkipEx("FEC histogram not supported by the device") + + hist = data['stats']['hist'] + for fec_bin in hist: + for key in ['bin-low', 'bin-high', 'bin-val']: + ksft_in(key, fec_bin, + "Drivers should always report FEC bin range and value") + ksft_ge(fec_bin['bin-high'], fec_bin['bin-low'], + "FEC bin range should be valid") + if 'bin-val-per-lane' in fec_bin: + ksft_eq(sum(fec_bin['bin-val-per-lane']), fec_bin['bin-val'], + "FEC bin value should be equal to sum of per-plane values") + + def pkt_byte_sum(cfg) -> None: """ Check that qstat and interface stats match in value. @@ -279,8 +309,9 @@ def main() -> None: """ Ksft boiler plate main """ with NetDrvEnv(__file__, queue_count=100) as cfg: - ksft_run([check_pause, check_fec, pkt_byte_sum, qstat_by_ifindex, - check_down, procfs_hammer, procfs_downup_hammer], + ksft_run([check_pause, check_fec, check_fec_hist, pkt_byte_sum, + qstat_by_ifindex, check_down, procfs_hammer, + procfs_downup_hammer], args=(cfg, )) ksft_exit() diff --git a/tools/testing/selftests/drivers/net/team/Makefile b/tools/testing/selftests/drivers/net/team/Makefile index eaf6938f100e..89d854c7e674 100644 --- a/tools/testing/selftests/drivers/net/team/Makefile +++ b/tools/testing/selftests/drivers/net/team/Makefile @@ -1,11 +1,13 @@ # SPDX-License-Identifier: GPL-2.0 # Makefile for net selftests -TEST_PROGS := dev_addr_lists.sh propagation.sh +TEST_PROGS := dev_addr_lists.sh propagation.sh options.sh TEST_INCLUDES := \ ../bonding/lag_lib.sh \ ../../../net/forwarding/lib.sh \ - ../../../net/lib.sh + ../../../net/lib.sh \ + ../../../net/in_netns.sh \ + ../../../net/lib/sh/defer.sh include ../../../lib.mk diff --git a/tools/testing/selftests/drivers/net/team/config b/tools/testing/selftests/drivers/net/team/config index 636b3525b679..558e1d0cf565 100644 --- a/tools/testing/selftests/drivers/net/team/config +++ b/tools/testing/selftests/drivers/net/team/config @@ -3,4 +3,5 @@ CONFIG_IPV6=y CONFIG_MACVLAN=y CONFIG_NETDEVSIM=m CONFIG_NET_TEAM=y +CONFIG_NET_TEAM_MODE_ACTIVEBACKUP=y CONFIG_NET_TEAM_MODE_LOADBALANCE=y diff --git a/tools/testing/selftests/drivers/net/team/options.sh b/tools/testing/selftests/drivers/net/team/options.sh new file mode 100755 index 000000000000..44888f32b513 --- /dev/null +++ b/tools/testing/selftests/drivers/net/team/options.sh @@ -0,0 +1,188 @@ +#!/bin/bash +# SPDX-License-Identifier: GPL-2.0 + +# These tests verify basic set and get functionality of the team +# driver options over netlink. + +# Run in private netns. +test_dir="$(dirname "$0")" +if [[ $# -eq 0 ]]; then + "${test_dir}"/../../../net/in_netns.sh "$0" __subprocess + exit $? +fi + +ALL_TESTS=" + team_test_options +" + +source "${test_dir}/../../../net/lib.sh" + +TEAM_PORT="team0" +MEMBER_PORT="dummy0" + +setup() +{ + ip link add name "${MEMBER_PORT}" type dummy + ip link add name "${TEAM_PORT}" type team +} + +get_and_check_value() +{ + local option_name="$1" + local expected_value="$2" + local port_flag="$3" + + local value_from_get + + if ! value_from_get=$(teamnl "${TEAM_PORT}" getoption "${option_name}" \ + "${port_flag}"); then + echo "Could not get option '${option_name}'" >&2 + return 1 + fi + + if [[ "${value_from_get}" != "${expected_value}" ]]; then + echo "Incorrect value for option '${option_name}'" >&2 + echo "get (${value_from_get}) != set (${expected_value})" >&2 + return 1 + fi +} + +set_and_check_get() +{ + local option_name="$1" + local option_value="$2" + local port_flag="$3" + + local value_from_get + + if ! teamnl "${TEAM_PORT}" setoption "${option_name}" \ + "${option_value}" "${port_flag}"; then + echo "'setoption ${option_name} ${option_value}' failed" >&2 + return 1 + fi + + get_and_check_value "${option_name}" "${option_value}" "${port_flag}" + return $? +} + +# Get a "port flag" to pass to the `teamnl` command. +# E.g. $1="dummy0" -> "port=dummy0", +# $1="" -> "" +get_port_flag() +{ + local port_name="$1" + + if [[ -n "${port_name}" ]]; then + echo "--port=${port_name}" + fi +} + +attach_port_if_specified() +{ + local port_name="$1" + + if [[ -n "${port_name}" ]]; then + ip link set dev "${port_name}" master "${TEAM_PORT}" + return $? + fi +} + +detach_port_if_specified() +{ + local port_name="$1" + + if [[ -n "${port_name}" ]]; then + ip link set dev "${port_name}" nomaster + return $? + fi +} + +# Test that an option's get value matches its set value. +# Globals: +# RET - Used by testing infra like `check_err`. +# EXIT_STATUS - Used by `log_test` for whole script exit value. +# Arguments: +# option_name - The name of the option. +# value_1 - The first value to try setting. +# value_2 - The second value to try setting. +# port_name - The (optional) name of the attached port. +team_test_option() +{ + local option_name="$1" + local value_1="$2" + local value_2="$3" + local possible_values="$2 $3 $2" + local port_name="$4" + local port_flag + + RET=0 + + echo "Setting '${option_name}' to '${value_1}' and '${value_2}'" + + attach_port_if_specified "${port_name}" + check_err $? "Couldn't attach ${port_name} to master" + port_flag=$(get_port_flag "${port_name}") + + # Set and get both possible values. + for value in ${possible_values}; do + set_and_check_get "${option_name}" "${value}" "${port_flag}" + check_err $? "Failed to set '${option_name}' to '${value}'" + done + + detach_port_if_specified "${port_name}" + check_err $? "Couldn't detach ${port_name} from its master" + + log_test "Set + Get '${option_name}' test" +} + +# Test that getting a non-existant option fails. +# Globals: +# RET - Used by testing infra like `check_err`. +# EXIT_STATUS - Used by `log_test` for whole script exit value. +# Arguments: +# option_name - The name of the option. +# port_name - The (optional) name of the attached port. +team_test_get_option_fails() +{ + local option_name="$1" + local port_name="$2" + local port_flag + + RET=0 + + attach_port_if_specified "${port_name}" + check_err $? "Couldn't attach ${port_name} to master" + port_flag=$(get_port_flag "${port_name}") + + # Just confirm that getting the value fails. + teamnl "${TEAM_PORT}" getoption "${option_name}" "${port_flag}" + check_fail $? "Shouldn't be able to get option '${option_name}'" + + detach_port_if_specified "${port_name}" + + log_test "Get '${option_name}' fails" +} + +team_test_options() +{ + # Wrong option name behavior. + team_test_get_option_fails fake_option1 + team_test_get_option_fails fake_option2 "${MEMBER_PORT}" + + # Correct set and get behavior. + team_test_option mode activebackup loadbalance + team_test_option notify_peers_count 0 5 + team_test_option notify_peers_interval 0 5 + team_test_option mcast_rejoin_count 0 5 + team_test_option mcast_rejoin_interval 0 5 + team_test_option enabled true false "${MEMBER_PORT}" + team_test_option user_linkup true false "${MEMBER_PORT}" + team_test_option user_linkup_enabled true false "${MEMBER_PORT}" + team_test_option priority 10 20 "${MEMBER_PORT}" + team_test_option queue_id 0 1 "${MEMBER_PORT}" +} + +require_command teamnl +setup +tests_run +exit "${EXIT_STATUS}" diff --git a/tools/testing/selftests/drivers/net/xdp.py b/tools/testing/selftests/drivers/net/xdp.py index 1dd8bf3bf6c9..08fea4230759 100755 --- a/tools/testing/selftests/drivers/net/xdp.py +++ b/tools/testing/selftests/drivers/net/xdp.py @@ -112,10 +112,10 @@ def _load_xdp_prog(cfg, bpf_info): defer(ip, f"link set dev {cfg.remote_ifname} mtu 1500", host=cfg.remote) cmd( - f"ip link set dev {cfg.ifname} mtu {bpf_info.mtu} xdp obj {abs_path} sec {bpf_info.xdp_sec}", + f"ip link set dev {cfg.ifname} mtu {bpf_info.mtu} xdpdrv obj {abs_path} sec {bpf_info.xdp_sec}", shell=True ) - defer(ip, f"link set dev {cfg.ifname} mtu 1500 xdp off") + defer(ip, f"link set dev {cfg.ifname} mtu 1500 xdpdrv off") xdp_info = ip(f"-d link show dev {cfg.ifname}", json=True)[0] prog_info["id"] = xdp_info["xdp"]["prog"]["id"] @@ -290,34 +290,78 @@ def test_xdp_native_drop_mb(cfg): _test_drop(cfg, bpf_info, 8000) -def test_xdp_native_tx_mb(cfg): +def _test_xdp_native_tx(cfg, bpf_info, payload_lens): """ - Tests the XDP_TX action for a multi-buff case. + Tests the XDP_TX action. Args: cfg: Configuration object containing network settings. + bpf_info: BPFProgInfo object containing the BPF program metadata. + payload_lens: Array of packet lengths to send. """ cfg.require_cmd("socat", remote=True) - - bpf_info = BPFProgInfo("xdp_prog_frags", "xdp_native.bpf.o", "xdp.frags", 9000) prog_info = _load_xdp_prog(cfg, bpf_info) port = rand_port() _set_xdp_map("map_xdp_setup", TestConfig.MODE.value, XDPAction.TX.value) _set_xdp_map("map_xdp_setup", TestConfig.PORT.value, port) - test_string = ''.join(random.choice(string.ascii_lowercase) for _ in range(8000)) - rx_udp = f"socat -{cfg.addr_ipver} -T 2 -u UDP-RECV:{port},reuseport STDOUT" - tx_udp = f"echo {test_string} | socat -t 2 -u STDIN UDP:{cfg.baddr}:{port}" + expected_pkts = 0 + for payload_len in payload_lens: + test_string = "".join( + random.choice(string.ascii_lowercase) for _ in range(payload_len) + ) + + rx_udp = f"socat -{cfg.addr_ipver} -T 2 " + \ + f"-u UDP-RECV:{port},reuseport STDOUT" + + # Writing zero bytes to stdin gets ignored by socat, + # but with the shut-null flag socat generates a zero sized packet + # when the socket is closed. + tx_cmd_suffix = ",shut-null" if payload_len == 0 else "" + tx_udp = f"echo -n {test_string} | socat -t 2 " + \ + f"-u STDIN UDP:{cfg.baddr}:{port}{tx_cmd_suffix}" + + with bkg(rx_udp, host=cfg.remote, exit_wait=True) as rnc: + wait_port_listen(port, proto="udp", host=cfg.remote) + cmd(tx_udp, host=cfg.remote, shell=True) + + ksft_eq(rnc.stdout.strip(), test_string, "UDP packet exchange failed") + + expected_pkts += 1 + stats = _get_stats(prog_info["maps"]["map_xdp_stats"]) + ksft_eq(stats[XDPStats.RX.value], expected_pkts, "RX stats mismatch") + ksft_eq(stats[XDPStats.TX.value], expected_pkts, "TX stats mismatch") + + +def test_xdp_native_tx_sb(cfg): + """ + Tests the XDP_TX action for a single-buff case. + + Args: + cfg: Configuration object containing network settings. + """ + bpf_info = BPFProgInfo("xdp_prog", "xdp_native.bpf.o", "xdp", 1500) + + # Ensure there's enough room for an ETH / IP / UDP header + pkt_hdr_len = 42 if cfg.addr_ipver == "4" else 62 - with bkg(rx_udp, host=cfg.remote, exit_wait=True) as rnc: - wait_port_listen(port, proto="udp", host=cfg.remote) - cmd(tx_udp, host=cfg.remote, shell=True) + _test_xdp_native_tx(cfg, bpf_info, [0, 1500 // 2, 1500 - pkt_hdr_len]) - stats = _get_stats(prog_info['maps']['map_xdp_stats']) - ksft_eq(rnc.stdout.strip(), test_string, "UDP packet exchange failed") - ksft_eq(stats[XDPStats.TX.value], 1, "TX stats mismatch") +def test_xdp_native_tx_mb(cfg): + """ + Tests the XDP_TX action for a multi-buff case. + + Args: + cfg: Configuration object containing network settings. + """ + bpf_info = BPFProgInfo("xdp_prog_frags", "xdp_native.bpf.o", + "xdp.frags", 9000) + # The first packet ensures we exercise the fragmented code path. + # And the subsequent 0-sized packet ensures the driver + # reinitializes xdp_buff correctly. + _test_xdp_native_tx(cfg, bpf_info, [8000, 0]) def _validate_res(res, offset_lst, pkt_sz_lst): @@ -644,6 +688,7 @@ def main(): test_xdp_native_pass_mb, test_xdp_native_drop_sb, test_xdp_native_drop_mb, + test_xdp_native_tx_sb, test_xdp_native_tx_mb, test_xdp_native_adjst_tail_grow_data, test_xdp_native_adjst_tail_shrnk_data, |