test: Combine iperf3c and iperf3s into a single DSL command

These two commands in the DSL to run an iperf client and server are always
used together, and some of the parameters must match between them.  The
iperf3s must also be run more or less immediately after iperf3c, since
iperf3c will run a client in the background after a sleep and requires a
server to be running before it will work.

A bunch of things can be made cleaner if we make a single DSL command that
runs both sides of the test.  For now make the combined command work
exactly like the two commands together did, warts and all.

This does lose the ability for the DSL scripts to give additional options
to the iperf3 server, but we weren't using that anyway.

Signed-off-by: David Gibson <david@gibson.dropbear.id.au>

1 files changed, 20 insertions, 40 deletions

diff --git a/test/perf/passt_udp b/test/perf/passt_udp
index 05e692e..50c675e 100644
--- a/test/perf/passt_udp
+++ b/test/perf/passt_udp
@@ -51,23 +51,19 @@ bw	-
 bw	-
 virtio_net_workaround
 guest	ip link set dev __IFNAME__ mtu 1280
-iperf3c	guest __GW6__%__IFNAME__ 100${i}2 __THREADS__ __OPTS__ -b 2G
-iperf3s	BW ns 100${i}2 __THREADS__
+iperf3	BW guest ns __GW6__%__IFNAME__ 100${i}2 __THREADS__ __OPTS__ -b 2G
 bw	__BW__ 0.8 1.2
 virtio_net_workaround
 guest	ip link set dev __IFNAME__ mtu 1500
-iperf3c	guest __GW6__%__IFNAME__ 100${i}2 __THREADS__ __OPTS__ -b 3G
-iperf3s	BW ns 100${i}2 __THREADS__
+iperf3	BW guest ns __GW6__%__IFNAME__ 100${i}2 __THREADS__ __OPTS__ -b 3G
 bw	__BW__ 1.0 1.5
 virtio_net_workaround
 guest	ip link set dev __IFNAME__ mtu 9000
-iperf3c	guest __GW6__%__IFNAME__ 100${i}2 __THREADS__ __OPTS__ -b 5G
-iperf3s	BW ns 100${i}2 __THREADS__
+iperf3	BW guest ns __GW6__%__IFNAME__ 100${i}2 __THREADS__ __OPTS__ -b 5G
 bw	__BW__ 4.0 5.0
 virtio_net_workaround
 guest	ip link set dev __IFNAME__ mtu 65520
-iperf3c	guest __GW6__%__IFNAME__ 100${i}2 __THREADS__ __OPTS__ -b 7G
-iperf3s	BW ns 100${i}2 __THREADS__
+iperf3	BW guest ns __GW6__%__IFNAME__ 100${i}2 __THREADS__ __OPTS__ -b 7G
 bw	__BW__ 4.0 5.0
 
 tl	UDP RR latency over IPv6: guest to host
@@ -84,33 +80,27 @@ lat	__LAT__ 200 150
 tr	UDP throughput over IPv4: guest to host
 virtio_net_workaround
 guest	ip link set dev __IFNAME__ mtu 256
-iperf3c	guest __GW__ 100${i}2 __THREADS__ __OPTS__ -b 500M
-iperf3s	BW ns 100${i}2 __THREADS__
+iperf3	BW guest ns __GW__ 100${i}2 __THREADS__ __OPTS__ -b 500M
 bw	__BW__ 0.0 0.0
 virtio_net_workaround
 guest	ip link set dev __IFNAME__ mtu 576
-iperf3c	guest __GW__ 100${i}2 __THREADS__ __OPTS__ -b 1G
-iperf3s	BW ns 100${i}2 __THREADS__
+iperf3	BW guest ns __GW__ 100${i}2 __THREADS__ __OPTS__ -b 1G
 bw	__BW__ 0.4 0.6
 virtio_net_workaround
 guest	ip link set dev __IFNAME__ mtu 1280
-iperf3c	guest __GW__ 100${i}2 __THREADS__ __OPTS__ -b 2G
-iperf3s	BW ns 100${i}2 __THREADS__
+iperf3	BW guest ns __GW__ 100${i}2 __THREADS__ __OPTS__ -b 2G
 bw	__BW__ 0.8 1.2
 virtio_net_workaround
 guest	ip link set dev __IFNAME__ mtu 1500
-iperf3c	guest __GW__ 100${i}2 __THREADS__ __OPTS__ -b 3G
-iperf3s	BW ns 100${i}2 __THREADS__
+iperf3	BW guest ns __GW__ 100${i}2 __THREADS__ __OPTS__ -b 3G
 bw	__BW__ 1.0 1.5
 virtio_net_workaround
 guest	ip link set dev __IFNAME__ mtu 9000
-iperf3c	guest __GW__ 100${i}2 __THREADS__ __OPTS__ -b 6G
-iperf3s	BW ns 100${i}2 __THREADS__
+iperf3	BW guest ns __GW__ 100${i}2 __THREADS__ __OPTS__ -b 6G
 bw	__BW__ 4.0 5.0
 virtio_net_workaround
 guest	ip link set dev __IFNAME__ mtu 65520
-iperf3c	guest __GW__ 100${i}2 __THREADS__ __OPTS__ -b 7G
-iperf3s	BW ns 100${i}2 __THREADS__
+iperf3	BW guest ns __GW__ 100${i}2 __THREADS__ __OPTS__ -b 7G
 bw	__BW__ 4.0 5.0
 
 tl	UDP RR latency over IPv4: guest to host
@@ -128,20 +118,16 @@ tr	UDP throughput over IPv6: host to guest
 bw	-
 bw	-
 ns	ip link set dev lo mtu 1280
-iperf3c	ns ::1 100${i}1 __THREADS__ __OPTS__ -b 2G
-iperf3s	BW guest 100${i}1 __THREADS__
+iperf3	BW ns guest  ::1 100${i}1 __THREADS__ __OPTS__ -b 2G
 bw	__BW__ 0.8 1.2
 ns	ip link set dev lo mtu 1500
-iperf3c	ns ::1 100${i}1 __THREADS__ __OPTS__ -b 2G
-iperf3s	BW guest 100${i}1 __THREADS__
+iperf3	BW ns guest ::1 100${i}1 __THREADS__ __OPTS__ -b 2G
 bw	__BW__ 1.0 1.5
 ns	ip link set dev lo mtu 9000
-iperf3c	ns ::1 100${i}1 __THREADS__ __OPTS__ -b 3G
-iperf3s	BW guest 100${i}1 __THREADS__
+iperf3	BW ns guest ::1 100${i}1 __THREADS__ __OPTS__ -b 3G
 bw	__BW__ 3.0 4.0
 ns	ip link set dev lo mtu 65520
-iperf3c	ns ::1 100${i}1 __THREADS__ __OPTS__ -b 3G
-iperf3s	BW guest 100${i}1 __THREADS__
+iperf3	BW ns guest ::1 100${i}1 __THREADS__ __OPTS__ -b 3G
 bw	__BW__ 3.0 4.0
 
 tl	UDP RR latency over IPv6: host to guest
@@ -158,29 +144,23 @@ ns	ip link set dev lo mtu 65535
 
 tr	UDP throughput over IPv4: host to guest
 ns	ip link set dev lo mtu 256
-iperf3c	ns 127.0.0.1 100${i}1 __THREADS__ __OPTS__ -b 1G
-iperf3s	BW guest 100${i}1 __THREADS__
+iperf3	BW ns guest 127.0.0.1 100${i}1 __THREADS__ __OPTS__ -b 1G
 bw	__BW__ 0.0 0.0
 ns	ip link set dev lo mtu 576
-iperf3c	ns 127.0.0.1 100${i}1 __THREADS__ __OPTS__ -b 1G
-iperf3s	BW guest 100${i}1 __THREADS__
+iperf3	BW ns guest 127.0.0.1 100${i}1 __THREADS__ __OPTS__ -b 1G
 bw	__BW__ 0.4 0.6
 ns	ip link set dev lo mtu 1280
 ns	ip addr add ::1 dev lo
-iperf3c	ns 127.0.0.1 100${i}1 __THREADS__ __OPTS__ -b 3G
-iperf3s	BW guest 100${i}1 __THREADS__
+iperf3	BW ns guest 127.0.0.1 100${i}1 __THREADS__ __OPTS__ -b 3G
 bw	__BW__ 0.8 1.2
 ns	ip link set dev lo mtu 1500
-iperf3c	ns 127.0.0.1 100${i}1 __THREADS__ __OPTS__ -b 3G
-iperf3s	BW guest 100${i}1 __THREADS__
+iperf3	BW ns guest 127.0.0.1 100${i}1 __THREADS__ __OPTS__ -b 3G
 bw	__BW__ 1.0 1.5
 ns	ip link set dev lo mtu 9000
-iperf3c	ns 127.0.0.1 100${i}1 __THREADS__ __OPTS__ -b 3G
-iperf3s	BW guest 100${i}1 __THREADS__
+iperf3	BW ns guest 127.0.0.1 100${i}1 __THREADS__ __OPTS__ -b 3G
 bw	__BW__ 3.0 4.0
 ns	ip link set dev lo mtu 65520
-iperf3c	ns 127.0.0.1 100${i}1 __THREADS__ __OPTS__ -b 3G
-iperf3s	BW guest 100${i}1 __THREADS__
+iperf3	BW ns guest 127.0.0.1 100${i}1 __THREADS__ __OPTS__ -b 3G
 bw	__BW__ 3.0 4.0
 
 tl	UDP RR latency over IPv4: host to guest