selftests: forwarding: Add a test for pedit munge SIP and DIP
Add a test that checks that pedit adjusts source and destination addresses of IPv4 and IPv6 packets. Output example: $ ./pedit_ip.sh TEST: ping [ OK ] TEST: ping6 [ OK ] TEST: dev swp2 ingress pedit ip src set 198.51.100.1 [ OK ] TEST: dev swp3 egress pedit ip src set 198.51.100.1 [ OK ] TEST: dev swp2 ingress pedit ip dst set 198.51.100.1 [ OK ] TEST: dev swp3 egress pedit ip dst set 198.51.100.1 [ OK ] TEST: dev swp2 ingress pedit ip6 src set 2001:db8:2::1 [ OK ] TEST: dev swp3 egress pedit ip6 src set 2001:db8:2::1 [ OK ] TEST: dev swp2 ingress pedit ip6 dst set 2001:db8:2::1 [ OK ] TEST: dev swp3 egress pedit ip6 dst set 2001:db8:2::1 [ OK ] Signed-off-by: Danielle Ratson <danieller@nvidia.com> Reviewed-by: Petr Machata <petrm@nvidia.com> Signed-off-by: Ido Schimmel <idosch@nvidia.com> Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Danielle Ratson
David S. Miller
parent
463e1ab82a
commit
92ad382894
201
tools/testing/selftests/net/forwarding/pedit_ip.sh
Executable file
201
tools/testing/selftests/net/forwarding/pedit_ip.sh
Executable file
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#!/bin/bash
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# SPDX-License-Identifier: GPL-2.0
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# This test sends traffic from H1 to H2. Either on ingress of $swp1, or on
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# egress of $swp2, the traffic is acted upon by a pedit action. An ingress
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# filter installed on $h2 verifies that the packet looks like expected.
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#
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# +----------------------+ +----------------------+
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# | H1 | | H2 |
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# | + $h1 | | $h2 + |
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# | | 192.0.2.1/28 | | 192.0.2.2/28 | |
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# +----|-----------------+ +----------------|-----+
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# | |
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# +----|----------------------------------------------------------------|-----+
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# | SW | | |
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# | +-|----------------------------------------------------------------|-+ |
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# | | + $swp1 BR $swp2 + | |
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# | +--------------------------------------------------------------------+ |
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# +---------------------------------------------------------------------------+
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ALL_TESTS="
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ping_ipv4
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ping_ipv6
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test_ip4_src
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test_ip4_dst
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test_ip6_src
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test_ip6_dst
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"
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NUM_NETIFS=4
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source lib.sh
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source tc_common.sh
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h1_create()
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{
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simple_if_init $h1 192.0.2.1/28 2001:db8:1::1/64
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}
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h1_destroy()
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{
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simple_if_fini $h1 192.0.2.1/28 2001:db8:1::1/64
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}
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h2_create()
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{
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simple_if_init $h2 192.0.2.2/28 2001:db8:1::2/64
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tc qdisc add dev $h2 clsact
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}
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h2_destroy()
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{
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tc qdisc del dev $h2 clsact
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simple_if_fini $h2 192.0.2.2/28 2001:db8:1::2/64
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}
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switch_create()
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{
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ip link add name br1 up type bridge vlan_filtering 1
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ip link set dev $swp1 master br1
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ip link set dev $swp1 up
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ip link set dev $swp2 master br1
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ip link set dev $swp2 up
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tc qdisc add dev $swp1 clsact
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tc qdisc add dev $swp2 clsact
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}
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switch_destroy()
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{
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tc qdisc del dev $swp2 clsact
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tc qdisc del dev $swp1 clsact
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ip link set dev $swp2 down
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ip link set dev $swp2 nomaster
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ip link set dev $swp1 down
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ip link set dev $swp1 nomaster
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ip link del dev br1
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}
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setup_prepare()
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{
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h1=${NETIFS[p1]}
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swp1=${NETIFS[p2]}
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swp2=${NETIFS[p3]}
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h2=${NETIFS[p4]}
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h2mac=$(mac_get $h2)
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vrf_prepare
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h1_create
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h2_create
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switch_create
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}
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cleanup()
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{
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pre_cleanup
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switch_destroy
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h2_destroy
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h1_destroy
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vrf_cleanup
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}
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ping_ipv4()
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{
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ping_test $h1 192.0.2.2
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}
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ping_ipv6()
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{
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ping6_test $h1 2001:db8:1::2
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}
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do_test_pedit_ip()
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{
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local pedit_locus=$1; shift
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local pedit_action=$1; shift
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local match_prot=$1; shift
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local match_flower=$1; shift
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local mz_flags=$1; shift
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tc filter add $pedit_locus handle 101 pref 1 \
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flower action pedit ex munge $pedit_action
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tc filter add dev $h2 ingress handle 101 pref 1 prot $match_prot \
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flower skip_hw $match_flower action pass
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RET=0
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$MZ $mz_flags $h1 -c 10 -d 20msec -p 100 -a own -b $h2mac -q -t ip
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local pkts
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pkts=$(busywait "$TC_HIT_TIMEOUT" until_counter_is ">= 10" \
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tc_rule_handle_stats_get "dev $h2 ingress" 101)
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check_err $? "Expected to get 10 packets, but got $pkts."
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pkts=$(tc_rule_handle_stats_get "$pedit_locus" 101)
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((pkts >= 10))
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check_err $? "Expected to get 10 packets on pedit rule, but got $pkts."
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log_test "$pedit_locus pedit $pedit_action"
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tc filter del dev $h2 ingress pref 1
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tc filter del $pedit_locus pref 1
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}
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do_test_pedit_ip6()
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{
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local locus=$1; shift
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local pedit_addr=$1; shift
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local flower_addr=$1; shift
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do_test_pedit_ip "$locus" "$pedit_addr set 2001:db8:2::1" ipv6 \
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"$flower_addr 2001:db8:2::1" \
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"-6 -A 2001:db8:1::1 -B 2001:db8:1::2"
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}
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do_test_pedit_ip4()
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{
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local locus=$1; shift
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local pedit_addr=$1; shift
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local flower_addr=$1; shift
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do_test_pedit_ip "$locus" "$pedit_addr set 198.51.100.1" ip \
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"$flower_addr 198.51.100.1" \
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"-A 192.0.2.1 -B 192.0.2.2"
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}
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test_ip4_src()
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{
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do_test_pedit_ip4 "dev $swp1 ingress" "ip src" src_ip
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do_test_pedit_ip4 "dev $swp2 egress" "ip src" src_ip
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}
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test_ip4_dst()
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{
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do_test_pedit_ip4 "dev $swp1 ingress" "ip dst" dst_ip
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do_test_pedit_ip4 "dev $swp2 egress" "ip dst" dst_ip
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}
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test_ip6_src()
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{
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do_test_pedit_ip6 "dev $swp1 ingress" "ip6 src" src_ip
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do_test_pedit_ip6 "dev $swp2 egress" "ip6 src" src_ip
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}
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test_ip6_dst()
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{
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do_test_pedit_ip6 "dev $swp1 ingress" "ip6 dst" dst_ip
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do_test_pedit_ip6 "dev $swp2 egress" "ip6 dst" dst_ip
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}
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trap cleanup EXIT
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setup_prepare
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setup_wait
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tests_run
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exit $EXIT_STATUS
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