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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-27 10:05:51 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-27 10:05:51 +0000 |
commit | 5d1646d90e1f2cceb9f0828f4b28318cd0ec7744 (patch) | |
tree | a94efe259b9009378be6d90eb30d2b019d95c194 /tools/testing/selftests/net/forwarding/pedit_dsfield.sh | |
parent | Initial commit. (diff) | |
download | linux-5d1646d90e1f2cceb9f0828f4b28318cd0ec7744.tar.xz linux-5d1646d90e1f2cceb9f0828f4b28318cd0ec7744.zip |
Adding upstream version 5.10.209.upstream/5.10.209upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'tools/testing/selftests/net/forwarding/pedit_dsfield.sh')
-rwxr-xr-x | tools/testing/selftests/net/forwarding/pedit_dsfield.sh | 311 |
1 files changed, 311 insertions, 0 deletions
diff --git a/tools/testing/selftests/net/forwarding/pedit_dsfield.sh b/tools/testing/selftests/net/forwarding/pedit_dsfield.sh new file mode 100755 index 000000000..64fbd211d --- /dev/null +++ b/tools/testing/selftests/net/forwarding/pedit_dsfield.sh @@ -0,0 +1,311 @@ +#!/bin/bash +# SPDX-License-Identifier: GPL-2.0 + +# This test sends traffic from H1 to H2. Either on ingress of $swp1, or on +# egress of $swp2, the traffic is acted upon by a pedit action. An ingress +# filter installed on $h2 verifies that the packet looks like expected. +# +# +----------------------+ +----------------------+ +# | H1 | | H2 | +# | + $h1 | | $h2 + | +# | | 192.0.2.1/28 | | 192.0.2.2/28 | | +# +----|-----------------+ +----------------|-----+ +# | | +# +----|----------------------------------------------------------------|-----+ +# | SW | | | +# | +-|----------------------------------------------------------------|-+ | +# | | + $swp1 BR $swp2 + | | +# | +--------------------------------------------------------------------+ | +# +---------------------------------------------------------------------------+ + +ALL_TESTS=" + ping_ipv4 + ping_ipv6 + test_ip_dsfield + test_ip_dscp + test_ip_ecn + test_ip_dscp_ecn + test_ip6_dsfield + test_ip6_dscp + test_ip6_ecn +" + +NUM_NETIFS=4 +source lib.sh +source tc_common.sh + +: ${HIT_TIMEOUT:=2000} # ms + +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 + tc qdisc add dev $h2 clsact +} + +h2_destroy() +{ + tc qdisc del dev $h2 clsact + simple_if_fini $h2 192.0.2.2/28 2001:db8:1::2/64 +} + +switch_create() +{ + ip link add name br1 up type bridge vlan_filtering 1 + 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 + + 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 $swp2 down + ip link set dev $swp2 nomaster + ip link set dev $swp1 down + ip link set dev $swp1 nomaster + ip link del dev br1 +} + +setup_prepare() +{ + h1=${NETIFS[p1]} + swp1=${NETIFS[p2]} + + swp2=${NETIFS[p3]} + h2=${NETIFS[p4]} + + h2mac=$(mac_get $h2) + + vrf_prepare + h1_create + h2_create + switch_create +} + +cleanup() +{ + pre_cleanup + + switch_destroy + h2_destroy + h1_destroy + vrf_cleanup +} + +ping_ipv4() +{ + ping_test $h1 192.0.2.2 +} + +ping_ipv6() +{ + ping6_test $h1 2001:db8:1::2 +} + +do_test_pedit_dsfield_common() +{ + local pedit_locus=$1; shift + local pedit_action=$1; shift + local mz_flags=$1; shift + + RET=0 + + # TOS 125: DSCP 31, ECN 1. Used for testing that the relevant part is + # overwritten when zero is selected. + $MZ $mz_flags $h1 -c 10 -d 20msec -p 100 \ + -a own -b $h2mac -q -t tcp tos=0x7d,sp=54321,dp=12345 + + local pkts + pkts=$(busywait "$TC_HIT_TIMEOUT" until_counter_is ">= 10" \ + tc_rule_handle_stats_get "dev $h2 ingress" 101) + check_err $? "Expected to get 10 packets on test probe, but got $pkts." + + pkts=$(tc_rule_handle_stats_get "$pedit_locus" 101) + ((pkts >= 10)) + check_err $? "Expected to get 10 packets on pedit rule, but got $pkts." + + log_test "$pedit_locus pedit $pedit_action" +} + +do_test_pedit_dsfield() +{ + local pedit_locus=$1; shift + local pedit_action=$1; shift + local match_prot=$1; shift + local match_flower=$1; shift + local mz_flags=$1; shift + local saddr=$1; shift + local daddr=$1; shift + + tc filter add $pedit_locus handle 101 pref 1 \ + flower action pedit ex munge $pedit_action + tc filter add dev $h2 ingress handle 101 pref 1 prot $match_prot \ + flower skip_hw $match_flower action pass + + do_test_pedit_dsfield_common "$pedit_locus" "$pedit_action" "$mz_flags" + + tc filter del dev $h2 ingress pref 1 + tc filter del $pedit_locus pref 1 +} + +do_test_ip_dsfield() +{ + local locus=$1; shift + local dsfield + + for dsfield in 0 1 2 3 128 252 253 254 255; do + do_test_pedit_dsfield "$locus" \ + "ip dsfield set $dsfield" \ + ip "ip_tos $dsfield" \ + "-A 192.0.2.1 -B 192.0.2.2" + done +} + +test_ip_dsfield() +{ + do_test_ip_dsfield "dev $swp1 ingress" + do_test_ip_dsfield "dev $swp2 egress" +} + +do_test_ip_dscp() +{ + local locus=$1; shift + local dscp + + for dscp in 0 1 2 3 32 61 62 63; do + do_test_pedit_dsfield "$locus" \ + "ip dsfield set $((dscp << 2)) retain 0xfc" \ + ip "ip_tos $(((dscp << 2) | 1))" \ + "-A 192.0.2.1 -B 192.0.2.2" + done +} + +test_ip_dscp() +{ + do_test_ip_dscp "dev $swp1 ingress" + do_test_ip_dscp "dev $swp2 egress" +} + +do_test_ip_ecn() +{ + local locus=$1; shift + local ecn + + for ecn in 0 1 2 3; do + do_test_pedit_dsfield "$locus" \ + "ip dsfield set $ecn retain 0x03" \ + ip "ip_tos $((124 | $ecn))" \ + "-A 192.0.2.1 -B 192.0.2.2" + done +} + +test_ip_ecn() +{ + do_test_ip_ecn "dev $swp1 ingress" + do_test_ip_ecn "dev $swp2 egress" +} + +do_test_ip_dscp_ecn() +{ + local locus=$1; shift + + tc filter add $locus handle 101 pref 1 \ + flower action pedit ex munge ip dsfield set 124 retain 0xfc \ + action pedit ex munge ip dsfield set 1 retain 0x03 + tc filter add dev $h2 ingress handle 101 pref 1 prot ip \ + flower skip_hw ip_tos 125 action pass + + do_test_pedit_dsfield_common "$locus" "set DSCP + set ECN" \ + "-A 192.0.2.1 -B 192.0.2.2" + + tc filter del dev $h2 ingress pref 1 + tc filter del $locus pref 1 +} + +test_ip_dscp_ecn() +{ + do_test_ip_dscp_ecn "dev $swp1 ingress" + do_test_ip_dscp_ecn "dev $swp2 egress" +} + +do_test_ip6_dsfield() +{ + local locus=$1; shift + local dsfield + + for dsfield in 0 1 2 3 128 252 253 254 255; do + do_test_pedit_dsfield "$locus" \ + "ip6 traffic_class set $dsfield" \ + ipv6 "ip_tos $dsfield" \ + "-6 -A 2001:db8:1::1 -B 2001:db8:1::2" + done +} + +test_ip6_dsfield() +{ + do_test_ip6_dsfield "dev $swp1 ingress" + do_test_ip6_dsfield "dev $swp2 egress" +} + +do_test_ip6_dscp() +{ + local locus=$1; shift + local dscp + + for dscp in 0 1 2 3 32 61 62 63; do + do_test_pedit_dsfield "$locus" \ + "ip6 traffic_class set $((dscp << 2)) retain 0xfc" \ + ipv6 "ip_tos $(((dscp << 2) | 1))" \ + "-6 -A 2001:db8:1::1 -B 2001:db8:1::2" + done +} + +test_ip6_dscp() +{ + do_test_ip6_dscp "dev $swp1 ingress" + do_test_ip6_dscp "dev $swp2 egress" +} + +do_test_ip6_ecn() +{ + local locus=$1; shift + local ecn + + for ecn in 0 1 2 3; do + do_test_pedit_dsfield "$locus" \ + "ip6 traffic_class set $ecn retain 0x3" \ + ipv6 "ip_tos $((124 | $ecn))" \ + "-6 -A 2001:db8:1::1 -B 2001:db8:1::2" + done +} + +test_ip6_ecn() +{ + do_test_ip6_ecn "dev $swp1 ingress" + do_test_ip6_ecn "dev $swp2 egress" +} + +trap cleanup EXIT + +setup_prepare +setup_wait + +tests_run + +exit $EXIT_STATUS |