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pmd.at
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AT_BANNER([PMD])
m4_divert_push([PREPARE_TESTS])
# Given the output of `ovs-appctl dpif-netdev/pmd-rxq-show`, prints a list
# of every rxq (one per line) in the form:
# port_name rxq_id numa_id core_id
parse_pmd_rxq_show () {
awk '/pmd/ {numa=$4; core=substr($6, 1, length($6) - 1)} /\t/{for (i=4; i<=NF; i++) print $2, $i, numa, core}' | sort
}
# Given the output of `ovs-appctl dpctl/dump-flows`, prints a list of flows
# (one per line), with the pmd_id at the beginning of the line
#
flow_dump_prepend_pmd () {
awk '/flow-dump from non-dpdk/ {pmd_id=-1; next} /flow-dump from pmd/ {pmd_id=$7; next} {print pmd_id, $0}' | sort
}
m4_divert_pop([PREPARE_TESTS])
dnl CHECK_CPU_DISCOVERED([n_cpu])
dnl
dnl Waits until CPUs discovered and checks if number of discovered CPUs
dnl is greater or equal to 'n_cpu'. Without parameters checks that at
dnl least one CPU discovered.
m4_define([CHECK_CPU_DISCOVERED], [
PATTERN="Discovered [[0-9]]* NUMA nodes and [[0-9]]* CPU cores"
OVS_WAIT_UNTIL([grep "$PATTERN" ovs-vswitchd.log])
N_CPU=$(grep "$PATTERN" ovs-vswitchd.log | sed -e 's/.* \([[0-9]]*\) CPU cores/\1/')
if [[ -z "$1" ]]
then AT_CHECK([test "$N_CPU" -gt "0"])
else AT_SKIP_IF([test "$N_CPU" -lt "$1"])
fi
])
dnl CHECK_PMD_THREADS_CREATED([n_threads], [numa_id], [+line])
dnl
dnl Whaits for creation of 'n_threads' or at least 1 thread if $1 not
dnl passed. Checking starts from line number 'line' in ovs-vswithd.log .
m4_define([CHECK_PMD_THREADS_CREATED], [
PATTERN="Created [[0-9]]* pmd threads on numa node $2"
line_st=$3
if [[ -z "$line_st" ]]
then
line_st="+0"
fi
OVS_WAIT_UNTIL([tail -n $line_st ovs-vswitchd.log | grep "$PATTERN"])
N_THREADS=$(tail -n $line_st ovs-vswitchd.log | grep "$PATTERN" | tail -1 | sed -e 's/.* \([[0-9]]*\) pmd .*/\1/')
if [[ -z "$1" ]]
then AT_CHECK([test "$N_THREADS" -gt 0])
else AT_CHECK([test "$N_THREADS" -eq "$1"])
fi
])
m4_define([SED_NUMA_CORE_PATTERN], ["s/\(numa_id \)[[0-9]]*\( core_id \)[[0-9]]*:/\1<cleared>\2<cleared>:/"])
m4_define([DUMMY_NUMA], [--dummy-numa="0,0,0,0,1,1,1,1"])
AT_SETUP([PMD - creating a thread/add-port])
OVS_VSWITCHD_START([add-port br0 p0 -- set Interface p0 type=dummy-pmd], [], [], [DUMMY_NUMA])
CHECK_CPU_DISCOVERED()
CHECK_PMD_THREADS_CREATED()
AT_CHECK([ovs-appctl dpif-netdev/pmd-rxq-show | sed SED_NUMA_CORE_PATTERN], [0], [dnl
pmd thread numa_id <cleared> core_id <cleared>:
isolated : false
port: p0 queue-id: 0
])
AT_CHECK([ovs-appctl dpif/show | sed 's/\(tx_queues=\)[[0-9]]*/\1<cleared>/g'], [0], [dnl
dummy@ovs-dummy: hit:0 missed:0
br0:
br0 65534/100: (dummy-internal)
p0 1/1: (dummy-pmd: configured_rx_queues=1, configured_tx_queues=<cleared>, requested_rx_queues=1, requested_tx_queues=<cleared>)
])
OVS_VSWITCHD_STOP
AT_CLEANUP
AT_SETUP([PMD - multiqueue support])
OVS_VSWITCHD_START([add-port br0 p0 -- set Interface p0 type=dummy-pmd], [], [], [DUMMY_NUMA])
CHECK_CPU_DISCOVERED()
CHECK_PMD_THREADS_CREATED()
AT_CHECK([ovs-vsctl set interface p0 options:n_rxq=8])
AT_CHECK([ovs-appctl dpif/show | sed 's/\(tx_queues=\)[[0-9]]*/\1<cleared>/g'], [0], [dnl
dummy@ovs-dummy: hit:0 missed:0
br0:
br0 65534/100: (dummy-internal)
p0 1/1: (dummy-pmd: configured_rx_queues=8, configured_tx_queues=<cleared>, requested_rx_queues=8, requested_tx_queues=<cleared>)
])
AT_CHECK([ovs-appctl dpif-netdev/pmd-rxq-show | sed SED_NUMA_CORE_PATTERN], [0], [dnl
pmd thread numa_id <cleared> core_id <cleared>:
isolated : false
port: p0 queue-id: 0 1 2 3 4 5 6 7
])
OVS_VSWITCHD_STOP
AT_CLEANUP
AT_SETUP([PMD - pmd-cpu-mask/distribution of rx queues])
OVS_VSWITCHD_START([add-port br0 p0 -- set Interface p0 type=dummy-pmd options:n_rxq=8],
[], [], [DUMMY_NUMA])
CHECK_CPU_DISCOVERED(2)
CHECK_PMD_THREADS_CREATED()
AT_CHECK([ovs-appctl dpif/show | sed 's/\(tx_queues=\)[[0-9]]*/\1<cleared>/g'], [0], [dnl
dummy@ovs-dummy: hit:0 missed:0
br0:
br0 65534/100: (dummy-internal)
p0 1/1: (dummy-pmd: configured_rx_queues=8, configured_tx_queues=<cleared>, requested_rx_queues=8, requested_tx_queues=<cleared>)
])
AT_CHECK([ovs-appctl dpif-netdev/pmd-rxq-show | sed SED_NUMA_CORE_PATTERN], [0], [dnl
pmd thread numa_id <cleared> core_id <cleared>:
isolated : false
port: p0 queue-id: 0 1 2 3 4 5 6 7
])
TMP=$(cat ovs-vswitchd.log | wc -l | tr -d [[:blank:]])
AT_CHECK([ovs-vsctl set Open_vSwitch . other_config:pmd-cpu-mask=3])
CHECK_PMD_THREADS_CREATED([2], [], [+$TMP])
AT_CHECK([ovs-appctl dpif-netdev/pmd-rxq-show | sed SED_NUMA_CORE_PATTERN], [0], [dnl
pmd thread numa_id <cleared> core_id <cleared>:
isolated : false
port: p0 queue-id: 0 2 4 6
pmd thread numa_id <cleared> core_id <cleared>:
isolated : false
port: p0 queue-id: 1 3 5 7
])
TMP=$(cat ovs-vswitchd.log | wc -l | tr -d [[:blank:]])
AT_CHECK([ovs-vsctl set Open_vSwitch . other_config:pmd-cpu-mask=1])
CHECK_PMD_THREADS_CREATED([1], [], [+$TMP])
AT_CHECK([ovs-appctl dpif-netdev/pmd-rxq-show | sed SED_NUMA_CORE_PATTERN], [0], [dnl
pmd thread numa_id <cleared> core_id <cleared>:
isolated : false
port: p0 queue-id: 0 1 2 3 4 5 6 7
])
OVS_VSWITCHD_STOP
AT_CLEANUP
AT_SETUP([PMD - stats])
OVS_VSWITCHD_START([add-port br0 p0 -- set Interface p0 ofport_request=7 type=dummy-pmd options:n_rxq=4],
[], [], [DUMMY_NUMA])
CHECK_CPU_DISCOVERED()
CHECK_PMD_THREADS_CREATED()
AT_CHECK([ovs-appctl vlog/set dpif_netdev:dbg])
AT_CHECK([ovs-ofctl add-flow br0 action=normal])
sleep 1
AT_CHECK([ovs-appctl dpif/show | sed 's/\(tx_queues=\)[[0-9]]*/\1<cleared>/g'], [0], [dnl
dummy@ovs-dummy: hit:0 missed:0
br0:
br0 65534/100: (dummy-internal)
p0 7/1: (dummy-pmd: configured_rx_queues=4, configured_tx_queues=<cleared>, requested_rx_queues=4, requested_tx_queues=<cleared>)
])
AT_CHECK([ovs-appctl dpif-netdev/pmd-stats-show | sed SED_NUMA_CORE_PATTERN | sed '/cycles/d' | grep pmd -A 5], [0], [dnl
pmd thread numa_id <cleared> core_id <cleared>:
emc hits:0
megaflow hits:0
avg. subtable lookups per hit:0.00
miss:0
lost:0
])
ovs-appctl time/stop
ovs-appctl time/warp 100
(
for i in `seq 0 19`;
do
pkt="in_port(7),eth(src=50:54:00:00:00:77,dst=50:54:00:00:01:78),eth_type(0x0800),ipv4(src=10.0.0.2,dst=10.0.0.1,proto=1,tos=0,ttl=64,frag=no),icmp(type=8,code=0)"
AT_CHECK([ovs-appctl netdev-dummy/receive p0 $pkt])
done
)
ovs-appctl time/warp 100
AT_CHECK([grep -A 1 'miss upcall' ovs-vswitchd.log | tail -n 1], [0], [dnl
skb_priority(0),skb_mark(0),ct_state(0),ct_zone(0),ct_mark(0),ct_label(0),recirc_id(0),dp_hash(0),in_port(1),eth(src=50:54:00:00:00:77,dst=50:54:00:00:01:78),eth_type(0x0800),ipv4(src=10.0.0.2,dst=10.0.0.1,proto=1,tos=0,ttl=64,frag=no),icmp(type=8,code=0)
])
AT_CHECK([cat ovs-vswitchd.log | filter_flow_install | strip_xout], [0], [dnl
recirc_id(0),in_port(1),eth(src=50:54:00:00:00:77,dst=50:54:00:00:01:78),eth_type(0x0800),ipv4(frag=no), actions: <del>
])
AT_CHECK([ovs-appctl dpif-netdev/pmd-stats-show | sed SED_NUMA_CORE_PATTERN | sed '/cycles/d' | grep pmd -A 5], [0], [dnl
pmd thread numa_id <cleared> core_id <cleared>:
emc hits:19
megaflow hits:0
avg. subtable lookups per hit:0.00
miss:1
lost:0
])
OVS_VSWITCHD_STOP
AT_CLEANUP
dnl Reconfigure the number of rx queues of a port, make sure that all the
dnl queues are polled by the datapath and try to send a couple of packets.
AT_SETUP([PMD - reconfigure n_rxq])
OVS_VSWITCHD_START(
[add-port br0 p1 -- set Interface p1 type=dummy-pmd ofport_request=1 options:n_rxq=2 -- \
add-port br0 p2 -- set Interface p2 type=dummy-pmd ofport_request=2
], [], [], [--dummy-numa 0])
AT_CHECK([ovs-appctl vlog/set dpif:dbg dpif_netdev:dbg])
AT_CHECK([ovs-ofctl add-flow br0 action=controller])
AT_CHECK([ovs-appctl dpif-netdev/pmd-rxq-show | parse_pmd_rxq_show], [0], [dnl
p1 0 0 0
p1 1 0 0
p2 0 0 0
])
AT_CAPTURE_FILE([ofctl_monitor.log])
AT_CHECK([ovs-ofctl monitor br0 65534 invalid_ttl --detach --no-chdir --pidfile 2> ofctl_monitor.log])
AT_CHECK([ovs-appctl netdev-dummy/receive p1 --qid 1 'in_port(1),eth(src=50:54:00:00:00:09,dst=50:54:00:00:00:0a),eth_type(0x0800),ipv4(src=10.0.0.2,dst=10.0.0.1,proto=1,tos=0,ttl=64,frag=no),icmp(type=8,code=0)'])
OVS_WAIT_UNTIL([test `wc -l < ofctl_monitor.log` -ge 2])
OVS_WAIT_UNTIL([ovs-appctl -t ovs-ofctl exit])
AT_CHECK([cat ofctl_monitor.log], [0], [dnl
NXT_PACKET_IN2 (xid=0x0): cookie=0x0 total_len=42 in_port=1 (via action) data_len=42 (unbuffered)
icmp,vlan_tci=0x0000,dl_src=50:54:00:00:00:09,dl_dst=50:54:00:00:00:0a,nw_src=10.0.0.2,nw_dst=10.0.0.1,nw_tos=0,nw_ecn=0,nw_ttl=64,icmp_type=8,icmp_code=0 icmp_csum:f7ff
])
AT_CHECK([ovs-vsctl set interface p1 options:n_rxq=4])
AT_CHECK([ovs-appctl dpif-netdev/pmd-rxq-show | parse_pmd_rxq_show], [0], [dnl
p1 0 0 0
p1 1 0 0
p1 2 0 0
p1 3 0 0
p2 0 0 0
])
AT_CHECK([ovs-ofctl monitor br0 65534 invalid_ttl --detach --no-chdir --pidfile 2> ofctl_monitor.log])
AT_CHECK([ovs-appctl netdev-dummy/receive p1 --qid 3 'in_port(1),eth(src=50:54:00:00:00:09,dst=50:54:00:00:00:0a),eth_type(0x0800),ipv4(src=10.0.0.2,dst=10.0.0.1,proto=1,tos=0,ttl=64,frag=no),icmp(type=8,code=0)'])
OVS_WAIT_UNTIL([test `wc -l < ofctl_monitor.log` -ge 2])
OVS_WAIT_UNTIL([ovs-appctl -t ovs-ofctl exit])
AT_CHECK([cat ofctl_monitor.log], [0], [dnl
NXT_PACKET_IN2 (xid=0x0): cookie=0x0 total_len=42 in_port=1 (via action) data_len=42 (unbuffered)
icmp,vlan_tci=0x0000,dl_src=50:54:00:00:00:09,dl_dst=50:54:00:00:00:0a,nw_src=10.0.0.2,nw_dst=10.0.0.1,nw_tos=0,nw_ecn=0,nw_ttl=64,icmp_type=8,icmp_code=0 icmp_csum:f7ff
])
OVS_VSWITCHD_STOP
AT_CLEANUP
dnl There was a bug where OVS failed to create a ukey and install a megaflow
dnl if a packet with the exact same flow was received by two different pmd
dnl threads. This is a regression test for that bug.
AT_SETUP([PMD - same flow multiple threads])
OVS_VSWITCHD_START(
[add-port br0 p1 -- set Interface p1 type=dummy-pmd ofport_request=1 options:n_rxq=2 -- \
set Open_vSwitch . other_config:pmd-cpu-mask=3
], [], [], [--dummy-numa 0,0])
AT_CHECK([ovs-appctl vlog/set dpif:dbg dpif_netdev:dbg])
AT_CHECK([ovs-ofctl add-flow br0 action=controller])
dnl Make sure that the queues are on different cores. There's no way to
dnl control which queue is on which thread, we just need to make sure that
dnl two threads (core_id) show up in pmd-rxq-show
AT_CHECK([ovs-appctl dpif-netdev/pmd-rxq-show | parse_pmd_rxq_show | cut -f 4 -d ' ' | sort], [0], [dnl
0
1
])
AT_CAPTURE_FILE([ofctl_monitor.log])
AT_CHECK([ovs-ofctl monitor br0 65534 invalid_ttl --detach --no-chdir --pidfile 2> ofctl_monitor.log])
AT_CHECK([ovs-appctl netdev-dummy/receive p1 --qid 0 'in_port(1),eth(src=50:54:00:00:00:09,dst=50:54:00:00:00:0a),eth_type(0x0800),ipv4(src=10.0.0.2,dst=10.0.0.1,proto=1,tos=0,ttl=64,frag=no),icmp(type=8,code=0)'])
AT_CHECK([ovs-appctl netdev-dummy/receive p1 --qid 1 'in_port(1),eth(src=50:54:00:00:00:09,dst=50:54:00:00:00:0a),eth_type(0x0800),ipv4(src=10.0.0.2,dst=10.0.0.1,proto=1,tos=0,ttl=64,frag=no),icmp(type=8,code=0)'])
OVS_WAIT_UNTIL([test `wc -l < ofctl_monitor.log` -ge 4])
OVS_WAIT_UNTIL([ovs-appctl -t ovs-ofctl exit])
dnl Make sure that both flows have been installed
AT_CHECK([ovs-appctl dpctl/dump-flows | flow_dump_prepend_pmd], [0], [dnl
0 recirc_id(0),in_port(1),eth_type(0x0800),ipv4(frag=no), packets:0, bytes:0, used:never, actions:userspace(pid=0,slow_path(controller))
1 recirc_id(0),in_port(1),eth_type(0x0800),ipv4(frag=no), packets:0, bytes:0, used:never, actions:userspace(pid=0,slow_path(controller))
])
AT_CHECK([cat ofctl_monitor.log], [0], [dnl
NXT_PACKET_IN2 (xid=0x0): cookie=0x0 total_len=42 in_port=1 (via action) data_len=42 (unbuffered)
icmp,vlan_tci=0x0000,dl_src=50:54:00:00:00:09,dl_dst=50:54:00:00:00:0a,nw_src=10.0.0.2,nw_dst=10.0.0.1,nw_tos=0,nw_ecn=0,nw_ttl=64,icmp_type=8,icmp_code=0 icmp_csum:f7ff
NXT_PACKET_IN2 (xid=0x0): cookie=0x0 total_len=42 in_port=1 (via action) data_len=42 (unbuffered)
icmp,vlan_tci=0x0000,dl_src=50:54:00:00:00:09,dl_dst=50:54:00:00:00:0a,nw_src=10.0.0.2,nw_dst=10.0.0.1,nw_tos=0,nw_ecn=0,nw_ttl=64,icmp_type=8,icmp_code=0 icmp_csum:f7ff
])
OVS_VSWITCHD_STOP
AT_CLEANUP
AT_SETUP([PMD - change numa node])
OVS_VSWITCHD_START(
[add-port br0 p1 -- set Interface p1 type=dummy-pmd ofport_request=1 options:n_rxq=2 -- \
add-port br0 p2 -- set Interface p2 type=dummy-pmd ofport_request=2 options:n_rxq=2 -- \
set Open_vSwitch . other_config:pmd-cpu-mask=3
], [], [], [--dummy-numa 0,1])
AT_CHECK([ovs-appctl vlog/set dpif:dbg dpif_netdev:dbg])
AT_CHECK([ovs-ofctl add-flow br0 action=controller])
AT_CHECK([ovs-appctl dpif-netdev/pmd-rxq-show | parse_pmd_rxq_show], [0], [dnl
p1 0 0 0
p1 1 0 0
p2 0 0 0
p2 1 0 0
])
AT_CAPTURE_FILE([ofctl_monitor.log])
AT_CHECK([ovs-ofctl monitor br0 65534 invalid_ttl --detach --no-chdir --pidfile 2> ofctl_monitor.log])
AT_CHECK([ovs-appctl netdev-dummy/receive p1 --qid 0 'in_port(1),eth(src=50:54:00:00:00:09,dst=50:54:00:00:00:0a),eth_type(0x0800),ipv4(src=10.0.0.2,dst=10.0.0.1,proto=1,tos=0,ttl=64,frag=no),icmp(type=8,code=0)'])
AT_CHECK([ovs-appctl netdev-dummy/receive p2 --qid 1 'in_port(1),eth(src=50:54:00:00:00:09,dst=50:54:00:00:00:0a),eth_type(0x0800),ipv4(src=10.0.0.2,dst=10.0.0.1,proto=1,tos=0,ttl=64,frag=no),icmp(type=8,code=0)'])
OVS_WAIT_UNTIL([test `wc -l < ofctl_monitor.log` -ge 4])
OVS_WAIT_UNTIL([ovs-appctl -t ovs-ofctl exit])
AT_CHECK([cat ofctl_monitor.log], [0], [dnl
NXT_PACKET_IN2 (xid=0x0): cookie=0x0 total_len=42 in_port=1 (via action) data_len=42 (unbuffered)
icmp,vlan_tci=0x0000,dl_src=50:54:00:00:00:09,dl_dst=50:54:00:00:00:0a,nw_src=10.0.0.2,nw_dst=10.0.0.1,nw_tos=0,nw_ecn=0,nw_ttl=64,icmp_type=8,icmp_code=0 icmp_csum:f7ff
NXT_PACKET_IN2 (xid=0x0): cookie=0x0 total_len=42 in_port=2 (via action) data_len=42 (unbuffered)
icmp,vlan_tci=0x0000,dl_src=50:54:00:00:00:09,dl_dst=50:54:00:00:00:0a,nw_src=10.0.0.2,nw_dst=10.0.0.1,nw_tos=0,nw_ecn=0,nw_ttl=64,icmp_type=8,icmp_code=0 icmp_csum:f7ff
])
AT_CHECK([ovs-vsctl set Interface p2 options:numa_id=1])
AT_CHECK([ovs-appctl dpif-netdev/pmd-rxq-show | parse_pmd_rxq_show], [0], [dnl
p1 0 0 0
p1 1 0 0
p2 0 1 1
p2 1 1 1
])
AT_CHECK([ovs-ofctl monitor br0 65534 invalid_ttl --detach --no-chdir --pidfile 2> ofctl_monitor.log])
AT_CHECK([ovs-appctl netdev-dummy/receive p1 --qid 1 'in_port(1),eth(src=50:54:00:00:00:09,dst=50:54:00:00:00:0a),eth_type(0x0800),ipv4(src=10.0.0.2,dst=10.0.0.1,proto=1,tos=0,ttl=64,frag=no),icmp(type=8,code=0)'])
AT_CHECK([ovs-appctl netdev-dummy/receive p2 --qid 0 'in_port(1),eth(src=50:54:00:00:00:09,dst=50:54:00:00:00:0a),eth_type(0x0800),ipv4(src=10.0.0.2,dst=10.0.0.1,proto=1,tos=0,ttl=64,frag=no),icmp(type=8,code=0)'])
OVS_WAIT_UNTIL([test `wc -l < ofctl_monitor.log` -ge 4])
OVS_WAIT_UNTIL([ovs-appctl -t ovs-ofctl exit])
AT_CHECK([cat ofctl_monitor.log], [0], [dnl
NXT_PACKET_IN2 (xid=0x0): cookie=0x0 total_len=42 in_port=1 (via action) data_len=42 (unbuffered)
icmp,vlan_tci=0x0000,dl_src=50:54:00:00:00:09,dl_dst=50:54:00:00:00:0a,nw_src=10.0.0.2,nw_dst=10.0.0.1,nw_tos=0,nw_ecn=0,nw_ttl=64,icmp_type=8,icmp_code=0 icmp_csum:f7ff
NXT_PACKET_IN2 (xid=0x0): cookie=0x0 total_len=42 in_port=2 (via action) data_len=42 (unbuffered)
icmp,vlan_tci=0x0000,dl_src=50:54:00:00:00:09,dl_dst=50:54:00:00:00:0a,nw_src=10.0.0.2,nw_dst=10.0.0.1,nw_tos=0,nw_ecn=0,nw_ttl=64,icmp_type=8,icmp_code=0 icmp_csum:f7ff
])
OVS_VSWITCHD_STOP
AT_CLEANUP
AT_SETUP([PMD - non pmd device])
OVS_VSWITCHD_START(
[add-port br0 p1 -- set Interface p1 type=dummy-pmd ofport_request=1 options:n_rxq=1 -- \
add-port br0 p2 -- set Interface p2 type=dummy ofport_request=2 -- \
set Interface br0 options:tx_pcap=br0.pcap -- \
set Open_vSwitch . other_config:pmd-cpu-mask=1
], [], [], [--dummy-numa 0,0])
AT_CHECK([ovs-appctl vlog/set dpif:dbg dpif_netdev:dbg])
AT_CHECK([ovs-ofctl add-flow br0 actions=LOCAL])
AT_CHECK([ovs-appctl dpif-netdev/pmd-rxq-show | parse_pmd_rxq_show], [0], [dnl
p1 0 0 0
])
AT_CHECK([ovs-appctl netdev-dummy/receive p1 --qid 0 'in_port(1),eth(src=50:54:00:00:00:09,dst=50:54:00:00:00:0a),eth_type(0x0800),ipv4(src=10.0.0.2,dst=10.0.0.1,proto=1,tos=0,ttl=64,frag=no),icmp(type=8,code=0)'])
AT_CHECK([ovs-appctl netdev-dummy/receive p2 --qid 0 'in_port(1),eth(src=50:54:00:00:00:09,dst=50:54:00:00:00:0a),eth_type(0x0800),ipv4(src=10.0.0.2,dst=10.0.0.1,proto=1,tos=0,ttl=64,frag=no),icmp(type=8,code=0)'])
OVS_WAIT_UNTIL([test `ovs-pcap br0.pcap | wc -l` -ge 2])
AT_CHECK([ovs-pcap br0.pcap], [0], [dnl
50540000000a50540000000908004500001c00000000400166df0a0000020a0000010800f7ff00000000
50540000000a50540000000908004500001c00000000400166df0a0000020a0000010800f7ff00000000
])
AT_CHECK([ovs-vsctl set Open_vSwitch . other_config:pmd-cpu-mask=2])
AT_CHECK([ovs-appctl dpif-netdev/pmd-rxq-show | parse_pmd_rxq_show], [0], [dnl
p1 0 0 1
])
AT_CHECK([ovs-ofctl monitor br0 65534 invalid_ttl --detach --no-chdir --pidfile 2> ofctl_monitor.log])
AT_CHECK([ovs-appctl netdev-dummy/receive p1 --qid 0 'in_port(1),eth(src=50:54:00:00:00:09,dst=50:54:00:00:00:0a),eth_type(0x0800),ipv4(src=10.0.0.2,dst=10.0.0.1,proto=1,tos=0,ttl=64,frag=no),icmp(type=8,code=0)'])
AT_CHECK([ovs-appctl netdev-dummy/receive p2 --qid 0 'in_port(1),eth(src=50:54:00:00:00:09,dst=50:54:00:00:00:0a),eth_type(0x0800),ipv4(src=10.0.0.2,dst=10.0.0.1,proto=1,tos=0,ttl=64,frag=no),icmp(type=8,code=0)'])
OVS_WAIT_UNTIL([test `ovs-pcap br0.pcap | wc -l` -ge 4])
AT_CHECK([ovs-pcap br0.pcap], [0], [dnl
50540000000a50540000000908004500001c00000000400166df0a0000020a0000010800f7ff00000000
50540000000a50540000000908004500001c00000000400166df0a0000020a0000010800f7ff00000000
50540000000a50540000000908004500001c00000000400166df0a0000020a0000010800f7ff00000000
50540000000a50540000000908004500001c00000000400166df0a0000020a0000010800f7ff00000000
])
OVS_VSWITCHD_STOP
AT_CLEANUP
AT_SETUP([PMD - add remove ports])
OVS_VSWITCHD_START(
[], [], [], [--dummy-numa 0,0])
AT_CHECK([ovs-appctl vlog/set dpif:dbg dpif_netdev:dbg])
AT_CHECK([ovs-ofctl add-flow br0 actions=controller])
AT_CHECK([ovs-vsctl add-port br0 p1 -- set Interface p1 type=dummy-pmd ofport_request=1 options:n_rxq=1])
AT_CHECK([ovs-appctl dpif-netdev/pmd-rxq-show | parse_pmd_rxq_show], [0], [dnl
p1 0 0 0
])
AT_CAPTURE_FILE([ofctl_monitor.log])
AT_CHECK([ovs-ofctl monitor br0 65534 invalid_ttl --detach --no-chdir --pidfile 2> ofctl_monitor.log])
AT_CHECK([ovs-appctl netdev-dummy/receive p1 --qid 0 'in_port(1),eth(src=50:54:00:00:00:09,dst=50:54:00:00:00:0a),eth_type(0x0800),ipv4(src=10.0.0.2,dst=10.0.0.1,proto=1,tos=0,ttl=64,frag=no),icmp(type=8,code=0)'])
OVS_WAIT_UNTIL([test `wc -l < ofctl_monitor.log` -ge 2])
OVS_WAIT_UNTIL([ovs-appctl -t ovs-ofctl exit])
AT_CHECK([cat ofctl_monitor.log], [0], [dnl
NXT_PACKET_IN2 (xid=0x0): cookie=0x0 total_len=42 in_port=1 (via action) data_len=42 (unbuffered)
icmp,vlan_tci=0x0000,dl_src=50:54:00:00:00:09,dl_dst=50:54:00:00:00:0a,nw_src=10.0.0.2,nw_dst=10.0.0.1,nw_tos=0,nw_ecn=0,nw_ttl=64,icmp_type=8,icmp_code=0 icmp_csum:f7ff
])
AT_CHECK([ovs-vsctl del-port br0 p1])
AT_CHECK([ovs-vsctl add-port br0 p1 -- set Interface p1 type=dummy-pmd ofport_request=1 options:n_rxq=1])
AT_CHECK([ovs-ofctl monitor br0 65534 invalid_ttl --detach --no-chdir --pidfile 2> ofctl_monitor.log])
AT_CHECK([ovs-appctl netdev-dummy/receive p1 --qid 0 'in_port(1),eth(src=50:54:00:00:00:09,dst=50:54:00:00:00:0a),eth_type(0x0800),ipv4(src=10.0.0.2,dst=10.0.0.1,proto=1,tos=0,ttl=64,frag=no),icmp(type=8,code=0)'])
OVS_WAIT_UNTIL([test `wc -l < ofctl_monitor.log` -ge 2])
OVS_WAIT_UNTIL([ovs-appctl -t ovs-ofctl exit])
AT_CHECK([cat ofctl_monitor.log], [0], [dnl
NXT_PACKET_IN2 (xid=0x0): cookie=0x0 total_len=42 in_port=1 (via action) data_len=42 (unbuffered)
icmp,vlan_tci=0x0000,dl_src=50:54:00:00:00:09,dl_dst=50:54:00:00:00:0a,nw_src=10.0.0.2,nw_dst=10.0.0.1,nw_tos=0,nw_ecn=0,nw_ttl=64,icmp_type=8,icmp_code=0 icmp_csum:f7ff
])
OVS_VSWITCHD_STOP
AT_CLEANUP
AT_SETUP([PMD - rxq affinity])
OVS_VSWITCHD_START(
[], [], [], [--dummy-numa 0,0,0,0,0,0,0,0,0])
AT_CHECK([ovs-appctl vlog/set dpif:dbg dpif_netdev:dbg])
AT_CHECK([ovs-ofctl add-flow br0 actions=controller])
AT_CHECK([ovs-vsctl set Open_vSwitch . other_config:pmd-cpu-mask=1fe])
AT_CHECK([ovs-vsctl add-port br0 p1 -- set Interface p1 type=dummy-pmd ofport_request=1 options:n_rxq=4 other_config:pmd-rxq-affinity="0:3,1:7,2:2,3:8"])
dnl The rxqs should be on the requested cores.
AT_CHECK([ovs-appctl dpif-netdev/pmd-rxq-show | parse_pmd_rxq_show], [0], [dnl
p1 0 0 3
p1 1 0 7
p1 2 0 2
p1 3 0 8
])
AT_CHECK([ovs-vsctl set Open_vSwitch . other_config:pmd-cpu-mask=6])
dnl We removed the cores requested by some queues from pmd-cpu-mask.
dnl Those queues will not be polled.
AT_CHECK([ovs-appctl dpif-netdev/pmd-rxq-show | parse_pmd_rxq_show], [0], [dnl
p1 2 0 2
])
AT_CHECK([ovs-vsctl remove Interface p1 other_config pmd-rxq-affinity])
dnl We removed the rxq-affinity request. dpif-netdev should assign queues
dnl in a round robin fashion. We just make sure that every rxq is being
dnl polled again.
AT_CHECK([ovs-appctl dpif-netdev/pmd-rxq-show | parse_pmd_rxq_show | cut -f 1,2 -d ' ' | sort], [0], [dnl
p1 0
p1 1
p1 2
p1 3
])
AT_CHECK([ovs-vsctl set Interface p1 other_config:pmd-rxq-affinity='0:1'])
dnl We explicitly requested core 1 for queue 0. Core 1 becomes isolated and
dnl every other queue goes to core 2.
AT_CHECK([ovs-appctl dpif-netdev/pmd-rxq-show | parse_pmd_rxq_show], [0], [dnl
p1 0 0 1
p1 1 0 2
p1 2 0 2
p1 3 0 2
])
OVS_VSWITCHD_STOP(["/dpif_netdev|WARN|There is no PMD thread on core/d"])
AT_CLEANUP
AT_SETUP([PMD - monitor threads])
OVS_VSWITCHD_START(
[], [], [], [--dummy-numa 0,0])
AT_CHECK([ovs-appctl vlog/set dpif:dbg dpif_netdev:dbg])
dnl The two devices are connected together externally using net.sock
AT_CHECK([ovs-vsctl add-port br0 p1 -- set Interface p1 type=dummy-pmd ofport_request=1 options:n_rxq=1 options:pstream=punix:$OVS_RUNDIR/net.sock])
AT_CHECK([ovs-vsctl add-port br0 p2 -- set Interface p2 type=dummy-pmd ofport_request=2 options:n_rxq=1 options:stream=unix:$OVS_RUNDIR/net.sock])
AT_CHECK([ovs-appctl dpif-netdev/pmd-rxq-show | parse_pmd_rxq_show], [0], [dnl
p1 0 0 0
p2 0 0 0
])
dnl Enable bfd with a very aggressive interval. This will make the monitor very
dnl busy, and uncover race conditions with the main thread.
AT_CHECK([ovs-vsctl set Interface p1 bfd:enable=true bfd:min_rx=1 bfd:min_tx=1])
AT_CHECK([ovs-vsctl set Interface p2 bfd:enable=true bfd:min_rx=1 bfd:min_tx=1])
AT_CHECK([ovs-vsctl --timeout=10 wait-until Interface p1 bfd_status:forwarding=true \
-- wait-until Interface p2 bfd_status:forwarding=true])
dnl Trigger reconfiguration of the datapath
AT_CHECK([ovs-vsctl set Interface p1 options:n_rxq=2])
AT_CHECK([ovs-vsctl set Interface p2 options:n_rxq=2])
dnl Make sure that reconfiguration succeded
AT_CHECK([ovs-appctl dpif-netdev/pmd-rxq-show | parse_pmd_rxq_show], [0], [dnl
p1 0 0 0
p1 1 0 0
p2 0 0 0
p2 1 0 0
])
dnl During reconfiguration some packets will be dropped. This is expected
OVS_VSWITCHD_STOP(["/dpif(monitor[[0-9]]\+)|WARN|dummy@ovs-dummy: execute [[0-9]]\+ failed/d"])
AT_CLEANUP