aboutgitcodebugslistschat
path: root/test/tcp
diff options
context:
space:
mode:
authorStefano Brivio <sbrivio@redhat.com>2021-09-27 15:10:35 +0200
committerStefano Brivio <sbrivio@redhat.com>2021-09-27 15:10:35 +0200
commit061519b5620f594b5e5711ae6f3372ff152bc14c (patch)
tree6f46a496ddc61b4959c4da9c5b6b3eddfd876cf8 /test/tcp
parentca325e7583ad7c2f02193813289d1a1cfa17bf7a (diff)
downloadpasst-061519b5620f594b5e5711ae6f3372ff152bc14c.tar
passt-061519b5620f594b5e5711ae6f3372ff152bc14c.tar.gz
passt-061519b5620f594b5e5711ae6f3372ff152bc14c.tar.bz2
passt-061519b5620f594b5e5711ae6f3372ff152bc14c.tar.lz
passt-061519b5620f594b5e5711ae6f3372ff152bc14c.tar.xz
passt-061519b5620f594b5e5711ae6f3372ff152bc14c.tar.zst
passt-061519b5620f594b5e5711ae6f3372ff152bc14c.zip
test: Add CI/demo scripts
Not really quick, definitely dirty. Signed-off-by: Stefano Brivio <sbrivio@redhat.com>
Diffstat (limited to 'test/tcp')
-rw-r--r--test/tcp/passt86
-rw-r--r--test/tcp/passt_in_ns262
-rw-r--r--test/tcp/pasta118
3 files changed, 466 insertions, 0 deletions
diff --git a/test/tcp/passt b/test/tcp/passt
new file mode 100644
index 0000000..f31f111
--- /dev/null
+++ b/test/tcp/passt
@@ -0,0 +1,86 @@
+# SPDX-License-Identifier: AGPL-3.0-or-later
+#
+# PASST - Plug A Simple Socket Transport
+# for qemu/UNIX domain socket mode
+#
+# PASTA - Pack A Subtle Tap Abstraction
+# for network namespace/tap device mode
+#
+# test/tcp/passt - Check TCP functionality in passt mode
+#
+# Copyright (c) 2021 Red Hat GmbH
+# Author: Stefano Brivio <sbrivio@redhat.com>
+
+onlyfor passt
+gtools nc ip jq cat md5sum cut
+htools dd nc ip jq cat md5sum cut
+
+test TCP/IPv4: host to guest: big transfer
+temp TEMP_BIG
+guestb nc -4 -l 10001 > test_big.bin
+host dd if=/dev/urandom bs=1M count=10 > __TEMP_BIG__
+host cat __TEMP_BIG__ | nc -N 127.0.0.1 10001
+guestw
+hout HOST_MD5_BIG md5sum __TEMP_BIG__ | cut -d' ' -f1
+gout GUEST_MD5_BIG md5sum test_big.bin | cut -d' ' -f1
+check [ "__GUEST_MD5_BIG__" = "__HOST_MD5_BIG__" ]
+
+test TCP/IPv4: guest to host: big transfer
+hostb nc -4 -l 10003 > __TEMP_BIG__
+gout GW ip -j -4 ro sh|jq -rM '.[] | select(.dst == "default").gateway'
+guest cat test_big.bin | nc -N __GW__ 10003
+hostw
+hout HOST_MD5_BIG md5sum __TEMP_BIG__ | cut -d' ' -f1
+check [ "__GUEST_MD5_BIG__" = "__HOST_MD5_BIG__" ]
+
+test TCP/IPv4: host to guest: small transfer
+temp TEMP_SMALL
+guestb nc -4 -l 10001 > test_small.bin
+host dd if=/dev/urandom bs=2k count=1 > __TEMP_SMALL__
+host cat __TEMP_SMALL__ | nc -N 127.0.0.1 10001
+guestw
+hout HOST_MD5_SMALL md5sum __TEMP_SMALL__ | cut -d' ' -f1
+gout GUEST_MD5_SMALL md5sum test_small.bin | cut -d' ' -f1
+check [ "__GUEST_MD5_SMALL__" = "__HOST_MD5_SMALL__" ]
+
+test TCP/IPv4: guest to host: small transfer
+hostb nc -4 -l 10003 > __TEMP_SMALL__
+sleep 1
+guest cat test_small.bin | nc -N __GW__ 10003
+hostw
+hout HOST_MD5_SMALL md5sum __TEMP_SMALL__ | cut -d' ' -f1
+check [ "__GUEST_MD5_SMALL__" = "__HOST_MD5_SMALL__" ]
+
+
+test TCP/IPv6: host to guest: big transfer
+guestb nc -6 -l 10001 > test_big.bin
+sleep 1
+host cat __TEMP_BIG__ | nc -N ::1 10001
+guestw
+gout GUEST_MD5_BIG md5sum test_big.bin | cut -d' ' -f1
+check [ "__GUEST_MD5_BIG__" = "__HOST_MD5_BIG__" ]
+
+test TCP/IPv6: guest to host: big transfer
+hostb nc -6 -l 10003 > __TEMP_BIG__
+gout GW6 ip -j -6 ro sh|jq -rM '.[] | select(.dst == "default").gateway'
+gout IFNAME ip -j li sh | jq -rM '.[] | select(.link_type == "ether").ifname'
+guest cat test_big.bin | nc -N __GW6__%__IFNAME__ 10003
+hostw
+hout HOST_MD5_BIG md5sum __TEMP_BIG__ | cut -d' ' -f1
+check [ "__GUEST_MD5_BIG__" = "__HOST_MD5_BIG__" ]
+
+test TCP/IPv6: host to guest: small transfer
+guestb nc -6 -l 10001 > test_small.bin
+sleep 1
+host cat __TEMP_SMALL__ | nc -N ::1 10001
+guestw
+gout GUEST_MD5_SMALL md5sum test_small.bin | cut -d' ' -f1
+check [ "__GUEST_MD5_SMALL__" = "__HOST_MD5_SMALL__" ]
+
+test TCP/IPv6: guest to host: small transfer
+hostb nc -6 -l 10003 > __TEMP_SMALL__
+sleep 1
+guest cat test_small.bin | nc -N __GW6__%__IFNAME__ 10003
+hostw
+hout HOST_MD5_SMALL md5sum __TEMP_SMALL__ | cut -d' ' -f1
+check [ "__GUEST_MD5_SMALL__" = "__HOST_MD5_SMALL__" ]
diff --git a/test/tcp/passt_in_ns b/test/tcp/passt_in_ns
new file mode 100644
index 0000000..fc4c7f4
--- /dev/null
+++ b/test/tcp/passt_in_ns
@@ -0,0 +1,262 @@
+# SPDX-License-Identifier: AGPL-3.0-or-later
+#
+# PASST - Plug A Simple Socket Transport
+# for qemu/UNIX domain socket mode
+#
+# PASTA - Pack A Subtle Tap Abstraction
+# for network namespace/tap device mode
+#
+# test/tcp/passt_in_ns - Check TCP functionality for passt in ns with pasta
+#
+# Copyright (c) 2021 Red Hat GmbH
+# Author: Stefano Brivio <sbrivio@redhat.com>
+
+onlyfor passt_in_ns
+gtools nc ip jq cat md5sum cut
+htools dd nc ip jq cat md5sum cut
+nstools nc ip jq cat md5sum cut
+
+test TCP/IPv4: host to guest: big transfer
+temp TEMP_BIG
+guestb nc -4 -l 10001 > test_big.bin
+host dd if=/dev/urandom bs=1M count=10 > __TEMP_BIG__
+host cat __TEMP_BIG__ | nc -N 127.0.0.1 10001
+guestw
+hout MD5_BIG md5sum __TEMP_BIG__ | cut -d' ' -f1
+gout GUEST_MD5_BIG md5sum test_big.bin | cut -d' ' -f1
+check [ "__GUEST_MD5_BIG__" = "__MD5_BIG__" ]
+
+test TCP/IPv4: host to ns: big transfer
+temp TEMP_NS_BIG
+nsb nc -4 -l 10002 > __TEMP_NS_BIG__
+host cat __TEMP_BIG__ | nc -N 127.0.0.1 10002
+nsw
+nsout NS_MD5_BIG md5sum __TEMP_NS_BIG__ | cut -d' ' -f1
+check [ "__NS_MD5_BIG__" = "__MD5_BIG__" ]
+
+test TCP/IPv4: guest to host: big transfer
+hostb nc -4 -l 10003 > __TEMP_BIG__
+gout GW ip -j -4 ro sh|jq -rM '.[] | select(.dst == "default").gateway'
+guest cat test_big.bin | nc -N __GW__ 10003
+hostw
+hout HOST_MD5_BIG md5sum __TEMP_BIG__ | cut -d' ' -f1
+check [ "__HOST_MD5_BIG__" = "__MD5_BIG__" ]
+
+test TCP/IPv4: guest to ns: big transfer
+nsb nc -4 -l 10002 > __TEMP_BIG__
+guest cat test_big.bin | nc -N __GW__ 10002
+hostw
+hout HOST_MD5_BIG md5sum __TEMP_BIG__ | cut -d' ' -f1
+check [ "__HOST_MD5_BIG__" = "__MD5_BIG__" ]
+
+test TCP/IPv4: ns to host (spliced): big transfer
+sleep 1
+hostb nc -4 -l 10003 > __TEMP_BIG__
+ns cat __TEMP_NS_BIG__ | nc -N 127.0.0.1 10003
+hostw
+hout HOST_MD5_BIG md5sum __TEMP_BIG__ | cut -d' ' -f1
+check [ "__HOST_MD5_BIG__" = "__MD5_BIG__" ]
+
+test TCP/IPv4: ns to host (via tap): big transfer
+hostb nc -4 -l 10003 > __TEMP_BIG__
+ns cat __TEMP_NS_BIG__ | nc -N __GW__ 10003
+hostw
+hout HOST_MD5_BIG md5sum __TEMP_BIG__ | cut -d' ' -f1
+check [ "__HOST_MD5_BIG__" = "__MD5_BIG__" ]
+
+test TCP/IPv4: ns to guest (using loopback address): big transfer
+guestb nc -4 -l 10001 > test_big.bin
+ns cat __TEMP_NS_BIG__ | nc -N 127.0.0.1 10001
+guestw
+gout GUEST_MD5_BIG md5sum test_big.bin | cut -d' ' -f1
+check [ "__GUEST_MD5_BIG__" = "__MD5_BIG__" ]
+
+test TCP/IPv4: ns to guest (using namespace address): big transfer
+guestb nc -4 -l 10001 > test_big.bin
+nsout IFNAME ip -j li sh | jq -rM '.[] | select(.link_type == "ether").ifname'
+nsout ADDR ip -j -4 ad sh|jq -rM '.[] | select(.ifname == "__IFNAME__").addr_info[0].local'
+ns cat __TEMP_NS_BIG__ | nc -N __ADDR__ 10001
+guestw
+gout GUEST_MD5_BIG md5sum test_big.bin | cut -d' ' -f1
+check [ "__GUEST_MD5_BIG__" = "__MD5_BIG__" ]
+
+test TCP/IPv4: host to guest: small transfer
+temp TEMP_SMALL
+guestb nc -4 -l 10001 > test_small.bin
+host dd if=/dev/urandom bs=2k count=100 > __TEMP_SMALL__
+host cat __TEMP_SMALL__ | nc -N 127.0.0.1 10001
+guestw
+hout MD5_SMALL md5sum __TEMP_SMALL__ | cut -d' ' -f1
+gout GUEST_MD5_SMALL md5sum test_small.bin | cut -d' ' -f1
+check [ "__GUEST_MD5_SMALL__" = "__MD5_SMALL__" ]
+
+test TCP/IPv4: host to ns: small transfer
+temp TEMP_NS_SMALL
+nsb nc -4 -l 10002 > __TEMP_NS_SMALL__
+host cat __TEMP_SMALL__ | nc -N 127.0.0.1 10002
+nsw
+nsout NS_MD5_SMALL md5sum __TEMP_NS_SMALL__ | cut -d' ' -f1
+check [ "__NS_MD5_SMALL__" = "__MD5_SMALL__" ]
+
+test TCP/IPv4: guest to host: small transfer
+hostb nc -4 -l 10003 > __TEMP_SMALL__
+gout GW ip -j -4 ro sh|jq -rM '.[] | select(.dst == "default").gateway'
+guest cat test_small.bin | nc -N __GW__ 10003
+hostw
+hout HOST_MD5_SMALL md5sum __TEMP_SMALL__ | cut -d' ' -f1
+check [ "__HOST_MD5_SMALL__" = "__MD5_SMALL__" ]
+
+test TCP/IPv4: guest to ns: small transfer
+nsb nc -4 -l 10002 > __TEMP_SMALL__
+guest cat test_small.bin | nc -N __GW__ 10002
+hostw
+hout HOST_MD5_SMALL md5sum __TEMP_SMALL__ | cut -d' ' -f1
+check [ "__HOST_MD5_SMALL__" = "__MD5_SMALL__" ]
+
+test TCP/IPv4: ns to host (spliced): small transfer
+sleep 1
+hostb nc -4 -l 10003 > __TEMP_SMALL__
+ns cat __TEMP_NS_SMALL__ | nc -N 127.0.0.1 10003
+hostw
+hout HOST_MD5_SMALL md5sum __TEMP_SMALL__ | cut -d' ' -f1
+check [ "__HOST_MD5_SMALL__" = "__MD5_SMALL__" ]
+
+test TCP/IPv4: ns to host (via tap): small transfer
+hostb nc -4 -l 10003 > __TEMP_SMALL__
+ns cat __TEMP_NS_SMALL__ | nc -N __GW__ 10003
+hostw
+hout HOST_MD5_SMALL md5sum __TEMP_SMALL__ | cut -d' ' -f1
+check [ "__HOST_MD5_SMALL__" = "__MD5_SMALL__" ]
+
+test TCP/IPv4: ns to guest (using loopback address): small transfer
+guestb nc -4 -l 10001 > test_small.bin
+ns cat __TEMP_NS_SMALL__ | nc -N 127.0.0.1 10001
+guestw
+gout GUEST_MD5_SMALL md5sum test_small.bin | cut -d' ' -f1
+check [ "__GUEST_MD5_SMALL__" = "__MD5_SMALL__" ]
+
+test TCP/IPv4: ns to guest (using namespace address): small transfer
+guestb nc -4 -l 10001 > test_small.bin
+ns cat __TEMP_NS_SMALL__ | nc -N __ADDR__ 10001
+guestw
+gout GUEST_MD5_SMALL md5sum test_small.bin | cut -d' ' -f1
+check [ "__GUEST_MD5_SMALL__" = "__MD5_SMALL__" ]
+
+test TCP/IPv6: host to guest: big transfer
+guestb nc -6 -l 10001 > test_big.bin
+host cat __TEMP_BIG__ | nc -N ::1 10001
+guestw
+gout GUEST_MD5_BIG md5sum test_big.bin | cut -d' ' -f1
+check [ "__GUEST_MD5_BIG__" = "__MD5_BIG__" ]
+
+test TCP/IPv6: host to ns: big transfer
+nsb nc -6 -l 10002 > __TEMP_NS_BIG__
+host cat __TEMP_BIG__ | nc -N ::1 10002
+nsw
+nsout NS_MD5_BIG md5sum __TEMP_NS_BIG__ | cut -d' ' -f1
+check [ "__NS_MD5_BIG__" = "__MD5_BIG__" ]
+
+test TCP/IPv6: guest to host: big transfer
+hostb nc -6 -l 10003 > __TEMP_BIG__
+gout GW6 ip -j -6 ro sh|jq -rM '.[] | select(.dst == "default").gateway'
+gout IFNAME ip -j li sh | jq -rM '.[] | select(.link_type == "ether").ifname'
+guest cat test_big.bin | nc -N __GW6__%__IFNAME__ 10003
+hostw
+hout HOST_MD5_BIG md5sum __TEMP_BIG__ | cut -d' ' -f1
+check [ "__HOST_MD5_BIG__" = "__MD5_BIG__" ]
+
+test TCP/IPv6: guest to ns: big transfer
+nsb nc -6 -l 10002 > __TEMP_BIG__
+guest cat test_big.bin | nc -N __GW6__%__IFNAME__ 10002
+hostw
+hout HOST_MD5_BIG md5sum __TEMP_BIG__ | cut -d' ' -f1
+check [ "__HOST_MD5_BIG__" = "__MD5_BIG__" ]
+
+test TCP/IPv6: ns to host (spliced): big transfer
+hostb nc -6 -l 10003 > __TEMP_BIG__
+ns cat __TEMP_NS_BIG__ | nc -N ::1 10003
+hostw
+hout HOST_MD5_BIG md5sum __TEMP_BIG__ | cut -d' ' -f1
+check [ "__HOST_MD5_BIG__" = "__MD5_BIG__" ]
+
+test TCP/IPv6: ns to host (via tap): big transfer
+hostb nc -6 -l 10003 > __TEMP_BIG__
+nsout IFNAME ip -j li sh | jq -rM '.[] | select(.link_type == "ether").ifname'
+ns cat __TEMP_NS_BIG__ | nc -N __GW6__%__IFNAME__ 10003
+hostw
+hout HOST_MD5_BIG md5sum __TEMP_BIG__ | cut -d' ' -f1
+check [ "__HOST_MD5_BIG__" = "__MD5_BIG__" ]
+
+test TCP/IPv6: ns to guest (using loopback address): big transfer
+guestb nc -6 -l 10001 > test_big.bin
+ns cat __TEMP_NS_BIG__ | nc -N ::1 10001
+guestw
+gout GUEST_MD5_BIG md5sum test_big.bin | cut -d' ' -f1
+check [ "__GUEST_MD5_BIG__" = "__MD5_BIG__" ]
+
+test TCP/IPv6: ns to guest (using namespace address): big transfer
+guestb nc -6 -l 10001 > test_big.bin
+nsout ADDR6 ip -j -6 ad sh|jq -rM '.[] | select(.ifname == "__IFNAME__").addr_info[0].local'
+ns cat __TEMP_NS_BIG__ | nc -N __ADDR6__ 10001
+guestw
+gout GUEST_MD5_BIG md5sum test_big.bin | cut -d' ' -f1
+check [ "__GUEST_MD5_BIG__" = "__MD5_BIG__" ]
+
+test TCP/IPv6: host to guest: small transfer
+guestb nc -6 -l 10001 > test_small.bin
+host cat __TEMP_SMALL__ | nc -N ::1 10001
+guestw
+gout GUEST_MD5_SMALL md5sum test_small.bin | cut -d' ' -f1
+check [ "__GUEST_MD5_SMALL__" = "__MD5_SMALL__" ]
+
+test TCP/IPv6: host to ns: small transfer
+nsb nc -6 -l 10002 > __TEMP_NS_SMALL__
+host cat __TEMP_SMALL__ | nc -N ::1 10002
+nsw
+nsout NS_MD5_SMALL md5sum __TEMP_NS_SMALL__ | cut -d' ' -f1
+check [ "__NS_MD5_SMALL__" = "__MD5_SMALL__" ]
+
+test TCP/IPv6: guest to host: small transfer
+hostb nc -6 -l 10003 > __TEMP_SMALL__
+gout GW6 ip -j -6 ro sh|jq -rM '.[] | select(.dst == "default").gateway'
+gout IFNAME ip -j li sh | jq -rM '.[] | select(.link_type == "ether").ifname'
+guest cat test_small.bin | nc -N __GW6__%__IFNAME__ 10003
+hostw
+hout HOST_MD5_SMALL md5sum __TEMP_SMALL__ | cut -d' ' -f1
+check [ "__HOST_MD5_SMALL__" = "__MD5_SMALL__" ]
+
+test TCP/IPv6: guest to ns: small transfer
+nsb nc -6 -l 10002 > __TEMP_SMALL__
+guest cat test_small.bin | nc -N __GW6__%__IFNAME__ 10002
+hostw
+hout HOST_MD5_SMALL md5sum __TEMP_SMALL__ | cut -d' ' -f1
+check [ "__HOST_MD5_SMALL__" = "__MD5_SMALL__" ]
+
+test TCP/IPv6: ns to host (spliced): small transfer
+hostb nc -6 -l 10003 > __TEMP_SMALL__
+ns cat __TEMP_NS_SMALL__ | nc -N ::1 10003
+hostw
+hout HOST_MD5_SMALL md5sum __TEMP_SMALL__ | cut -d' ' -f1
+check [ "__HOST_MD5_SMALL__" = "__MD5_SMALL__" ]
+
+test TCP/IPv6: ns to host (via tap): small transfer
+hostb nc -6 -l 10003 > __TEMP_SMALL__
+nsout IFNAME ip -j li sh | jq -rM '.[] | select(.link_type == "ether").ifname'
+ns cat __TEMP_NS_SMALL__ | nc -N __GW6__%__IFNAME__ 10003
+hostw
+hout HOST_MD5_SMALL md5sum __TEMP_SMALL__ | cut -d' ' -f1
+check [ "__HOST_MD5_SMALL__" = "__MD5_SMALL__" ]
+
+test TCP/IPv6: ns to guest (using loopback address): small transfer
+guestb nc -6 -l 10001 > test_small.bin
+ns cat __TEMP_NS_SMALL__ | nc -N ::1 10001
+guestw
+gout GUEST_MD5_SMALL md5sum test_small.bin | cut -d' ' -f1
+check [ "__GUEST_MD5_SMALL__" = "__MD5_SMALL__" ]
+
+test TCP/IPv6: ns to guest (using namespace address): small transfer
+guestb nc -6 -l 10001 > test_small.bin
+ns cat __TEMP_NS_SMALL__ | nc -N __ADDR6__ 10001
+guestw
+gout GUEST_MD5_SMALL md5sum test_small.bin | cut -d' ' -f1
+check [ "__GUEST_MD5_SMALL__" = "__MD5_SMALL__" ]
diff --git a/test/tcp/pasta b/test/tcp/pasta
new file mode 100644
index 0000000..55548e8
--- /dev/null
+++ b/test/tcp/pasta
@@ -0,0 +1,118 @@
+# SPDX-License-Identifier: AGPL-3.0-or-later
+#
+# PASST - Plug A Simple Socket Transport
+# for qemu/UNIX domain socket mode
+#
+# PASTA - Pack A Subtle Tap Abstraction
+# for network namespace/tap device mode
+#
+# test/tcp/pasta - Check TCP functionality for pasta
+#
+# Copyright (c) 2021 Red Hat GmbH
+# Author: Stefano Brivio <sbrivio@redhat.com>
+
+onlyfor pasta
+htools dd nc ip jq cat md5sum cut
+nstools nc ip jq cat md5sum cut
+
+test TCP/IPv4: host to ns: big transfer
+temp TEMP_BIG
+temp TEMP_NS_BIG
+nsb nc -4 -l 10002 > __TEMP_NS_BIG__
+host dd if=/dev/urandom bs=1M count=10 > __TEMP_BIG__
+host cat __TEMP_BIG__ | nc -N 127.0.0.1 10002
+nsw
+hout MD5_BIG md5sum __TEMP_BIG__ | cut -d' ' -f1
+nsout NS_MD5_BIG md5sum __TEMP_NS_BIG__ | cut -d' ' -f1
+check [ "__NS_MD5_BIG__" = "__MD5_BIG__" ]
+
+test TCP/IPv4: ns to host (spliced): big transfer
+hostb nc -4 -l 10003 > __TEMP_BIG__
+ns cat __TEMP_NS_BIG__ | nc -N 127.0.0.1 10003
+hostw
+hout HOST_MD5_BIG md5sum __TEMP_BIG__ | cut -d' ' -f1
+check [ "__HOST_MD5_BIG__" = "__MD5_BIG__" ]
+
+test TCP/IPv4: ns to host (via tap): big transfer
+hostb nc -4 -l 10003 > __TEMP_BIG__
+nsout GW ip -j -4 ro sh|jq -rM '.[] | select(.dst == "default").gateway'
+ns cat __TEMP_NS_BIG__ | nc -N __GW__ 10003
+hostw
+hout HOST_MD5_BIG md5sum __TEMP_BIG__ | cut -d' ' -f1
+check [ "__HOST_MD5_BIG__" = "__MD5_BIG__" ]
+
+test TCP/IPv4: host to ns: small transfer
+temp TEMP_SMALL
+temp TEMP_NS_SMALL
+nsb nc -4 -l 10002 > __TEMP_NS_SMALL__
+host dd if=/dev/urandom bs=2k count=1 > __TEMP_SMALL__
+host cat __TEMP_SMALL__ | nc -N 127.0.0.1 10002
+nsw
+hout MD5_SMALL md5sum __TEMP_SMALL__ | cut -d' ' -f1
+nsout NS_MD5_SMALL md5sum __TEMP_NS_SMALL__ | cut -d' ' -f1
+check [ "__NS_MD5_SMALL__" = "__MD5_SMALL__" ]
+
+test TCP/IPv4: ns to host (spliced): small transfer
+hostb nc -4 -l 10003 > __TEMP_SMALL__
+ns cat __TEMP_NS_SMALL__ | nc -N 127.0.0.1 10003
+hostw
+hout HOST_MD5_SMALL md5sum __TEMP_SMALL__ | cut -d' ' -f1
+check [ "__HOST_MD5_SMALL__" = "__MD5_SMALL__" ]
+
+test TCP/IPv4: ns to host (via tap): small transfer
+hostb nc -4 -l 10003 > __TEMP_SMALL__
+nsout GW ip -j -4 ro sh|jq -rM '.[] | select(.dst == "default").gateway'
+ns cat __TEMP_NS_SMALL__ | nc -N __GW__ 10003
+hostw
+hout HOST_MD5_SMALL md5sum __TEMP_SMALL__ | cut -d' ' -f1
+check [ "__HOST_MD5_SMALL__" = "__MD5_SMALL__" ]
+
+test TCP/IPv6: host to ns: big transfer
+nsb nc -6 -l 10002 > __TEMP_NS_BIG__
+host cat __TEMP_BIG__ | nc -N ::1 10002
+nsw
+hout MD5_BIG md5sum __TEMP_BIG__ | cut -d' ' -f1
+nsout NS_MD5_BIG md5sum __TEMP_NS_BIG__ | cut -d' ' -f1
+check [ "__NS_MD5_BIG__" = "__MD5_BIG__" ]
+
+test TCP/IPv6: ns to host (spliced): big transfer
+hostb nc -6 -l 10003 > __TEMP_BIG__
+ns cat __TEMP_NS_BIG__ | nc -N ::1 10003
+hostw
+hout HOST_MD5_BIG md5sum __TEMP_BIG__ | cut -d' ' -f1
+check [ "__HOST_MD5_BIG__" = "__MD5_BIG__" ]
+nsw
+
+test TCP/IPv6: ns to host (via tap): big transfer
+hostb nc -6 -l 10003 > __TEMP_BIG__
+nsout GW6 ip -j -6 ro sh|jq -rM '.[] | select(.dst == "default").gateway'
+nsout IFNAME ip -j li sh | jq -rM '.[] | select(.link_type == "ether").ifname'
+ns cat __TEMP_NS_BIG__ | nc -N __GW6__%__IFNAME__ 10003
+hostw
+hout HOST_MD5_BIG md5sum __TEMP_BIG__ | cut -d' ' -f1
+check [ "__HOST_MD5_BIG__" = "__MD5_BIG__" ]
+
+test TCP/IPv6: host to ns: small transfer
+temp TEMP_SMALL
+temp TEMP_NS_SMALL
+nsb nc -6 -l 10002 > __TEMP_NS_SMALL__
+host dd if=/dev/urandom bs=2k count=1 > __TEMP_SMALL__
+host cat __TEMP_SMALL__ | nc -N ::1 10002
+nsw
+hout MD5_SMALL md5sum __TEMP_SMALL__ | cut -d' ' -f1
+nsout NS_MD5_SMALL md5sum __TEMP_NS_SMALL__ | cut -d' ' -f1
+check [ "__NS_MD5_SMALL__" = "__MD5_SMALL__" ]
+
+test TCP/IPv6: ns to host (spliced): small transfer
+hostb nc -6 -l 10003 > __TEMP_SMALL__
+ns cat __TEMP_NS_SMALL__ | nc -N ::1 10003
+hostw
+hout HOST_MD5_SMALL md5sum __TEMP_SMALL__ | cut -d' ' -f1
+check [ "__HOST_MD5_SMALL__" = "__MD5_SMALL__" ]
+
+test TCP/IPv6: ns to host (via tap): small transfer
+hostb nc -6 -l 10003 > __TEMP_SMALL__
+ns cat __TEMP_NS_SMALL__ | nc -N __GW6__%__IFNAME__ 10003
+hostw
+hout HOST_MD5_SMALL md5sum __TEMP_SMALL__ | cut -d' ' -f1
+check [ "__HOST_MD5_SMALL__" = "__MD5_SMALL__" ]