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Date: Tue, 11 Jul 2023 18:44:03 +0200
From: Petr Machata <petrm@...dia.com>
To: "David S. Miller" <davem@...emloft.net>, Eric Dumazet
<edumazet@...gle.com>, Jakub Kicinski <kuba@...nel.org>, Paolo Abeni
<pabeni@...hat.com>, <netdev@...r.kernel.org>
CC: Ido Schimmel <idosch@...dia.com>, Petr Machata <petrm@...dia.com>,
<mlxsw@...dia.com>
Subject: [PATCH net-next 10/10] selftests: forwarding: Add test cases for flower port range matching
From: Ido Schimmel <idosch@...dia.com>
Add test cases to verify that flower port range matching works
correctly. Test both source and destination port ranges, with different
combinations of IPv4/IPv6 and TCP/UDP, on both ingress and egress.
Signed-off-by: Ido Schimmel <idosch@...dia.com>
Reviewed-by: Petr Machata <petrm@...dia.com>
Signed-off-by: Petr Machata <petrm@...dia.com>
---
.../testing/selftests/net/forwarding/Makefile | 1 +
.../net/forwarding/tc_flower_port_range.sh | 228 ++++++++++++++++++
2 files changed, 229 insertions(+)
create mode 100755 tools/testing/selftests/net/forwarding/tc_flower_port_range.sh
diff --git a/tools/testing/selftests/net/forwarding/Makefile b/tools/testing/selftests/net/forwarding/Makefile
index 770efbe24f0d..f49c6c3f6520 100644
--- a/tools/testing/selftests/net/forwarding/Makefile
+++ b/tools/testing/selftests/net/forwarding/Makefile
@@ -85,6 +85,7 @@ TEST_PROGS = bridge_igmp.sh \
tc_flower.sh \
tc_flower_l2_miss.sh \
tc_flower_cfm.sh \
+ tc_flower_port_range.sh \
tc_mpls_l2vpn.sh \
tc_police.sh \
tc_shblocks.sh \
diff --git a/tools/testing/selftests/net/forwarding/tc_flower_port_range.sh b/tools/testing/selftests/net/forwarding/tc_flower_port_range.sh
new file mode 100755
index 000000000000..3885a2a91f7d
--- /dev/null
+++ b/tools/testing/selftests/net/forwarding/tc_flower_port_range.sh
@@ -0,0 +1,228 @@
+#!/bin/bash
+# SPDX-License-Identifier: GPL-2.0
+
+# +-----------------------+ +----------------------+
+# | H1 (vrf) | | H2 (vrf) |
+# | + $h1 | | $h2 + |
+# | | 192.0.2.1/28 | | 192.0.2.2/28 | |
+# | | 2001:db8:1::1/64 | | 2001:db8:1::2/64 | |
+# +----|------------------+ +------------------|---+
+# | |
+# +----|-------------------------------------------------------------------|---+
+# | SW | | |
+# | +-|-------------------------------------------------------------------|-+ |
+# | | + $swp1 BR $swp2 + | |
+# | +-----------------------------------------------------------------------+ |
+# +----------------------------------------------------------------------------+
+
+ALL_TESTS="
+ test_port_range_ipv4_udp
+ test_port_range_ipv4_tcp
+ test_port_range_ipv6_udp
+ test_port_range_ipv6_tcp
+"
+
+NUM_NETIFS=4
+source lib.sh
+source tc_common.sh
+
+h1_create()
+{
+ simple_if_init $h1 192.0.2.1/28 2001:db8:1::1/64
+}
+
+h1_destroy()
+{
+ simple_if_fini $h1 192.0.2.1/28 2001:db8:1::1/64
+}
+
+h2_create()
+{
+ simple_if_init $h2 192.0.2.2/28 2001:db8:1::2/64
+}
+
+h2_destroy()
+{
+ simple_if_fini $h2 192.0.2.2/28 2001:db8:1::2/64
+}
+
+switch_create()
+{
+ ip link add name br1 type bridge
+ ip link set dev $swp1 master br1
+ ip link set dev $swp1 up
+ ip link set dev $swp2 master br1
+ ip link set dev $swp2 up
+ ip link set dev br1 up
+
+ tc qdisc add dev $swp1 clsact
+ tc qdisc add dev $swp2 clsact
+}
+
+switch_destroy()
+{
+ tc qdisc del dev $swp2 clsact
+ tc qdisc del dev $swp1 clsact
+
+ ip link set dev br1 down
+ ip link set dev $swp2 down
+ ip link set dev $swp2 nomaster
+ ip link set dev $swp1 down
+ ip link set dev $swp1 nomaster
+ ip link del dev br1
+}
+
+__test_port_range()
+{
+ local proto=$1; shift
+ local ip_proto=$1; shift
+ local sip=$1; shift
+ local dip=$1; shift
+ local mode=$1; shift
+ local name=$1; shift
+ local dmac=$(mac_get $h2)
+ local smac=$(mac_get $h1)
+ local sport_min=100
+ local sport_max=200
+ local sport_mid=$((sport_min + (sport_max - sport_min) / 2))
+ local dport_min=300
+ local dport_max=400
+ local dport_mid=$((dport_min + (dport_max - dport_min) / 2))
+
+ RET=0
+
+ tc filter add dev $swp1 ingress protocol $proto handle 101 pref 1 \
+ flower src_ip $sip dst_ip $dip ip_proto $ip_proto \
+ src_port $sport_min-$sport_max \
+ dst_port $dport_min-$dport_max \
+ action pass
+ tc filter add dev $swp2 egress protocol $proto handle 101 pref 1 \
+ flower src_ip $sip dst_ip $dip ip_proto $ip_proto \
+ src_port $sport_min-$sport_max \
+ dst_port $dport_min-$dport_max \
+ action drop
+
+ $MZ $mode $h1 -c 1 -q -p 100 -a $smac -b $dmac -A $sip -B $dip \
+ -t $ip_proto "sp=$sport_min,dp=$dport_min"
+ tc_check_packets "dev $swp1 ingress" 101 1
+ check_err $? "Ingress filter not hit with minimum ports"
+ tc_check_packets "dev $swp2 egress" 101 1
+ check_err $? "Egress filter not hit with minimum ports"
+
+ $MZ $mode $h1 -c 1 -q -p 100 -a $smac -b $dmac -A $sip -B $dip \
+ -t $ip_proto "sp=$sport_mid,dp=$dport_mid"
+ tc_check_packets "dev $swp1 ingress" 101 2
+ check_err $? "Ingress filter not hit with middle ports"
+ tc_check_packets "dev $swp2 egress" 101 2
+ check_err $? "Egress filter not hit with middle ports"
+
+ $MZ $mode $h1 -c 1 -q -p 100 -a $smac -b $dmac -A $sip -B $dip \
+ -t $ip_proto "sp=$sport_max,dp=$dport_max"
+ tc_check_packets "dev $swp1 ingress" 101 3
+ check_err $? "Ingress filter not hit with maximum ports"
+ tc_check_packets "dev $swp2 egress" 101 3
+ check_err $? "Egress filter not hit with maximum ports"
+
+ # Send traffic when both ports are out of range and when only one port
+ # is out of range.
+ $MZ $mode $h1 -c 1 -q -p 100 -a $smac -b $dmac -A $sip -B $dip \
+ -t $ip_proto "sp=$((sport_min - 1)),dp=$dport_min"
+ $MZ $mode $h1 -c 1 -q -p 100 -a $smac -b $dmac -A $sip -B $dip \
+ -t $ip_proto "sp=$((sport_max + 1)),dp=$dport_min"
+ $MZ $mode $h1 -c 1 -q -p 100 -a $smac -b $dmac -A $sip -B $dip \
+ -t $ip_proto "sp=$sport_min,dp=$((dport_min - 1))"
+ $MZ $mode $h1 -c 1 -q -p 100 -a $smac -b $dmac -A $sip -B $dip \
+ -t $ip_proto "sp=$sport_min,dp=$((dport_max + 1))"
+ $MZ $mode $h1 -c 1 -q -p 100 -a $smac -b $dmac -A $sip -B $dip \
+ -t $ip_proto "sp=$((sport_max + 1)),dp=$((dport_max + 1))"
+ tc_check_packets "dev $swp1 ingress" 101 3
+ check_err $? "Ingress filter was hit when should not"
+ tc_check_packets "dev $swp2 egress" 101 3
+ check_err $? "Egress filter was hit when should not"
+
+ tc filter del dev $swp2 egress protocol $proto pref 1 handle 101 flower
+ tc filter del dev $swp1 ingress protocol $proto pref 1 handle 101 flower
+
+ log_test "Port range matching - $name"
+}
+
+test_port_range_ipv4_udp()
+{
+ local proto=ipv4
+ local ip_proto=udp
+ local sip=192.0.2.1
+ local dip=192.0.2.2
+ local mode="-4"
+ local name="IPv4 UDP"
+
+ __test_port_range $proto $ip_proto $sip $dip $mode "$name"
+}
+
+test_port_range_ipv4_tcp()
+{
+ local proto=ipv4
+ local ip_proto=tcp
+ local sip=192.0.2.1
+ local dip=192.0.2.2
+ local mode="-4"
+ local name="IPv4 TCP"
+
+ __test_port_range $proto $ip_proto $sip $dip $mode "$name"
+}
+
+test_port_range_ipv6_udp()
+{
+ local proto=ipv6
+ local ip_proto=udp
+ local sip=2001:db8:1::1
+ local dip=2001:db8:1::2
+ local mode="-6"
+ local name="IPv6 UDP"
+
+ __test_port_range $proto $ip_proto $sip $dip $mode "$name"
+}
+
+test_port_range_ipv6_tcp()
+{
+ local proto=ipv6
+ local ip_proto=tcp
+ local sip=2001:db8:1::1
+ local dip=2001:db8:1::2
+ local mode="-6"
+ local name="IPv6 TCP"
+
+ __test_port_range $proto $ip_proto $sip $dip $mode "$name"
+}
+
+setup_prepare()
+{
+ h1=${NETIFS[p1]}
+ swp1=${NETIFS[p2]}
+
+ swp2=${NETIFS[p3]}
+ h2=${NETIFS[p4]}
+
+ vrf_prepare
+ h1_create
+ h2_create
+ switch_create
+}
+
+cleanup()
+{
+ pre_cleanup
+
+ switch_destroy
+ h2_destroy
+ h1_destroy
+ vrf_cleanup
+}
+
+trap cleanup EXIT
+
+setup_prepare
+setup_wait
+
+tests_run
+
+exit $EXIT_STATUS
--
2.40.1
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