214 lines
4.6 KiB
Bash
Executable File
214 lines
4.6 KiB
Bash
Executable File
#!/bin/bash
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# SPDX-License-Identifier: GPL-2.0
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lib_dir=$(dirname $0)/../../../net/forwarding
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ALL_TESTS="
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mac_profile_test
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"
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NUM_NETIFS=4
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source $lib_dir/lib.sh
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source $lib_dir/tc_common.sh
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source $lib_dir/devlink_lib.sh
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h1_create()
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{
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simple_if_init $h1 192.0.2.1/24
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ip route add 198.51.100.0/24 vrf v$h1 nexthop via 192.0.2.2
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tc qdisc add dev $h1 ingress
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}
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h1_destroy()
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{
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tc qdisc del dev $h1 ingress
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ip route del 198.51.100.0/24 vrf v$h1
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simple_if_fini $h1 192.0.2.1/24
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}
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h2_create()
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{
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simple_if_init $h2 198.51.100.1/24
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ip route add 192.0.2.0/24 vrf v$h2 nexthop via 198.51.100.2
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tc qdisc add dev $h2 ingress
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}
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h2_destroy()
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{
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tc qdisc del dev $h2 ingress
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ip route del 192.0.2.0/24 vrf v$h2
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simple_if_fini $h2 198.51.100.1/24
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}
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router_create()
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{
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ip link set dev $rp1 up
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ip link set dev $rp2 up
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tc qdisc add dev $rp1 clsact
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tc qdisc add dev $rp2 clsact
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ip address add 192.0.2.2/24 dev $rp1
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ip address add 198.51.100.2/24 dev $rp2
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}
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router_destroy()
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{
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ip address del 198.51.100.2/24 dev $rp2
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ip address del 192.0.2.2/24 dev $rp1
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tc qdisc del dev $rp2 clsact
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tc qdisc del dev $rp1 clsact
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ip link set dev $rp2 down
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ip link set dev $rp1 down
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}
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setup_prepare()
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{
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h1=${NETIFS[p1]}
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rp1=${NETIFS[p2]}
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rp2=${NETIFS[p3]}
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h2=${NETIFS[p4]}
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vrf_prepare
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h1_create
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h2_create
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router_create
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forwarding_enable
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}
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cleanup()
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{
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pre_cleanup
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forwarding_restore
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router_destroy
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h2_destroy
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h1_destroy
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vrf_cleanup
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}
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h1_to_h2()
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{
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local test_name=$@; shift
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local smac=$(mac_get $rp2)
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RET=0
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# Replace neighbour to avoid first packet being forwarded in software
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ip neigh replace dev $rp2 198.51.100.1 lladdr $(mac_get $h2)
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# Add a filter to ensure that packets are forwarded in hardware. Cannot
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# match on source MAC because it is not set in eACL after routing
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tc filter add dev $rp2 egress proto ip pref 1 handle 101 \
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flower skip_sw ip_proto udp src_port 12345 dst_port 54321 \
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action pass
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# Add a filter to ensure that packets are received with the correct
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# source MAC
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tc filter add dev $h2 ingress proto ip pref 1 handle 101 \
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flower skip_sw src_mac $smac ip_proto udp src_port 12345 \
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dst_port 54321 action pass
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$MZ $h1 -a own -b $(mac_get $rp1) -t udp "sp=12345,dp=54321" \
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-A 192.0.2.1 -B 198.51.100.1 -c 10 -p 100 -d 1msec -q
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tc_check_packets "dev $rp2 egress" 101 10
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check_err $? "packets not forwarded in hardware"
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tc_check_packets "dev $h2 ingress" 101 10
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check_err $? "packets not forwarded with correct source mac"
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log_test "h1->h2: $test_name"
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tc filter del dev $h2 ingress protocol ip pref 1 handle 101 flower
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tc filter del dev $rp2 egress protocol ip pref 1 handle 101 flower
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ip neigh del dev $rp2 198.51.100.1 lladdr $(mac_get $h2)
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}
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h2_to_h1()
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{
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local test_name=$@; shift
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local rp1_mac=$(mac_get $rp1)
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RET=0
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ip neigh replace dev $rp1 192.0.2.1 lladdr $(mac_get $h1)
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tc filter add dev $rp1 egress proto ip pref 1 handle 101 \
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flower skip_sw ip_proto udp src_port 54321 dst_port 12345 \
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action pass
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tc filter add dev $h1 ingress proto ip pref 1 handle 101 \
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flower skip_sw src_mac $rp1_mac ip_proto udp src_port 54321 \
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dst_port 12345 action pass
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$MZ $h2 -a own -b $(mac_get $rp2) -t udp "sp=54321,dp=12345" \
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-A 198.51.100.1 -B 192.0.2.1 -c 10 -p 100 -d 1msec -q
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tc_check_packets "dev $rp1 egress" 101 10
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check_err $? "packets not forwarded in hardware"
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tc_check_packets "dev $h1 ingress" 101 10
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check_err $? "packets not forwarded with correct source mac"
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log_test "h2->h1: $test_name"
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tc filter del dev $h1 ingress protocol ip pref 1 handle 101 flower
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tc filter del dev $rp1 egress protocol ip pref 1 handle 101 flower
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ip neigh del dev $rp1 192.0.2.1 lladdr $(mac_get $h1)
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}
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smac_test()
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{
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local test_name=$@; shift
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# Test that packets forwarded to $h2 via $rp2 are forwarded with the
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# current source MAC of $rp2
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h1_to_h2 $test_name
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# Test that packets forwarded to $h1 via $rp1 are forwarded with the
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# current source MAC of $rp1. This MAC is never changed during the test,
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# but given the shared nature of MAC profile, the point is to see that
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# changes to the MAC of $rp2 do not affect that of $rp1
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h2_to_h1 $test_name
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}
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mac_profile_test()
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{
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local rp2_mac=$(mac_get $rp2)
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# Test behavior when the RIF backing $rp2 is transitioned to use
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# a new MAC profile
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ip link set dev $rp2 addr 00:11:22:33:44:55
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smac_test "new mac profile"
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# Test behavior when the MAC profile used by the RIF is edited
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ip link set dev $rp2 address 00:22:22:22:22:22
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smac_test "edit mac profile"
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# Restore original MAC
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ip link set dev $rp2 addr $rp2_mac
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}
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trap cleanup EXIT
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setup_prepare
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setup_wait
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mac_profiles=$(devlink_resource_size_get rif_mac_profiles)
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if [[ $mac_profiles -ne 1 ]]; then
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tests_run
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fi
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exit $EXIT_STATUS
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