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Diffstat (limited to 'tools/testing/selftests/net/ioam6.sh')
| -rwxr-xr-x | tools/testing/selftests/net/ioam6.sh | 778 |
1 files changed, 778 insertions, 0 deletions
diff --git a/tools/testing/selftests/net/ioam6.sh b/tools/testing/selftests/net/ioam6.sh new file mode 100755 index 0000000000..4ceb401da1 --- /dev/null +++ b/tools/testing/selftests/net/ioam6.sh @@ -0,0 +1,778 @@ +#!/bin/bash +# SPDX-License-Identifier: GPL-2.0+ +# +# Author: Justin Iurman <justin.iurman@uliege.be> +# +# This script evaluates the IOAM insertion for IPv6 by checking the IOAM data +# consistency directly inside packets on the receiver side. Tests are divided +# into three categories: OUTPUT (evaluates the IOAM processing by the sender), +# INPUT (evaluates the IOAM processing by a receiver) and GLOBAL (evaluates +# wider use cases that do not fall into the other two categories). Both OUTPUT +# and INPUT tests only use a two-node topology (alpha and beta), while GLOBAL +# tests use the entire three-node topology (alpha, beta, gamma). Each test is +# documented inside its own handler in the code below. +# +# An IOAM domain is configured from Alpha to Gamma but not on the reverse path. +# When either Beta or Gamma is the destination (depending on the test category), +# Alpha adds an IOAM option (Pre-allocated Trace) inside a Hop-by-hop. +# +# +# +-------------------+ +-------------------+ +# | | | | +# | Alpha netns | | Gamma netns | +# | | | | +# | +-------------+ | | +-------------+ | +# | | veth0 | | | | veth0 | | +# | | db01::2/64 | | | | db02::2/64 | | +# | +-------------+ | | +-------------+ | +# | . | | . | +# +-------------------+ +-------------------+ +# . . +# . . +# . . +# +----------------------------------------------------+ +# | . . | +# | +-------------+ +-------------+ | +# | | veth0 | | veth1 | | +# | | db01::1/64 | ................ | db02::1/64 | | +# | +-------------+ +-------------+ | +# | | +# | Beta netns | +# | | +# +----------------------------------------------------+ +# +# +# +# ============================================================= +# | Alpha - IOAM configuration | +# +===========================================================+ +# | Node ID | 1 | +# +-----------------------------------------------------------+ +# | Node Wide ID | 11111111 | +# +-----------------------------------------------------------+ +# | Ingress ID | 0xffff (default value) | +# +-----------------------------------------------------------+ +# | Ingress Wide ID | 0xffffffff (default value) | +# +-----------------------------------------------------------+ +# | Egress ID | 101 | +# +-----------------------------------------------------------+ +# | Egress Wide ID | 101101 | +# +-----------------------------------------------------------+ +# | Namespace Data | 0xdeadbee0 | +# +-----------------------------------------------------------+ +# | Namespace Wide Data | 0xcafec0caf00dc0de | +# +-----------------------------------------------------------+ +# | Schema ID | 777 | +# +-----------------------------------------------------------+ +# | Schema Data | something that will be 4n-aligned | +# +-----------------------------------------------------------+ +# +# +# ============================================================= +# | Beta - IOAM configuration | +# +===========================================================+ +# | Node ID | 2 | +# +-----------------------------------------------------------+ +# | Node Wide ID | 22222222 | +# +-----------------------------------------------------------+ +# | Ingress ID | 201 | +# +-----------------------------------------------------------+ +# | Ingress Wide ID | 201201 | +# +-----------------------------------------------------------+ +# | Egress ID | 202 | +# +-----------------------------------------------------------+ +# | Egress Wide ID | 202202 | +# +-----------------------------------------------------------+ +# | Namespace Data | 0xdeadbee1 | +# +-----------------------------------------------------------+ +# | Namespace Wide Data | 0xcafec0caf11dc0de | +# +-----------------------------------------------------------+ +# | Schema ID | 666 | +# +-----------------------------------------------------------+ +# | Schema Data | Hello there -Obi | +# +-----------------------------------------------------------+ +# +# +# ============================================================= +# | Gamma - IOAM configuration | +# +===========================================================+ +# | Node ID | 3 | +# +-----------------------------------------------------------+ +# | Node Wide ID | 33333333 | +# +-----------------------------------------------------------+ +# | Ingress ID | 301 | +# +-----------------------------------------------------------+ +# | Ingress Wide ID | 301301 | +# +-----------------------------------------------------------+ +# | Egress ID | 0xffff (default value) | +# +-----------------------------------------------------------+ +# | Egress Wide ID | 0xffffffff (default value) | +# +-----------------------------------------------------------+ +# | Namespace Data | 0xdeadbee2 | +# +-----------------------------------------------------------+ +# | Namespace Wide Data | 0xcafec0caf22dc0de | +# +-----------------------------------------------------------+ +# | Schema ID | 0xffffff (= None) | +# +-----------------------------------------------------------+ +# | Schema Data | | +# +-----------------------------------------------------------+ + +# Kselftest framework requirement - SKIP code is 4. +ksft_skip=4 + +################################################################################ +# # +# WARNING: Be careful if you modify the block below - it MUST be kept # +# synchronized with configurations inside ioam6_parser.c and always # +# reflect the same. # +# # +################################################################################ + +ALPHA=( + 1 # ID + 11111111 # Wide ID + 0xffff # Ingress ID + 0xffffffff # Ingress Wide ID + 101 # Egress ID + 101101 # Egress Wide ID + 0xdeadbee0 # Namespace Data + 0xcafec0caf00dc0de # Namespace Wide Data + 777 # Schema ID (0xffffff = None) + "something that will be 4n-aligned" # Schema Data +) + +BETA=( + 2 + 22222222 + 201 + 201201 + 202 + 202202 + 0xdeadbee1 + 0xcafec0caf11dc0de + 666 + "Hello there -Obi" +) + +GAMMA=( + 3 + 33333333 + 301 + 301301 + 0xffff + 0xffffffff + 0xdeadbee2 + 0xcafec0caf22dc0de + 0xffffff + "" +) + +TESTS_OUTPUT=" + out_undef_ns + out_no_room + out_bits + out_full_supp_trace +" + +TESTS_INPUT=" + in_undef_ns + in_no_room + in_oflag + in_bits + in_full_supp_trace +" + +TESTS_GLOBAL=" + fwd_full_supp_trace +" + + +################################################################################ +# # +# LIBRARY # +# # +################################################################################ + +check_kernel_compatibility() +{ + ip netns add ioam-tmp-node + ip link add name veth0 netns ioam-tmp-node type veth \ + peer name veth1 netns ioam-tmp-node + + ip -netns ioam-tmp-node link set veth0 up + ip -netns ioam-tmp-node link set veth1 up + + ip -netns ioam-tmp-node ioam namespace add 0 + ns_ad=$? + + ip -netns ioam-tmp-node ioam namespace show | grep -q "namespace 0" + ns_sh=$? + + if [[ $ns_ad != 0 || $ns_sh != 0 ]] + then + echo "SKIP: kernel version probably too old, missing ioam support" + ip link del veth0 2>/dev/null || true + ip netns del ioam-tmp-node || true + exit $ksft_skip + fi + + ip -netns ioam-tmp-node route add db02::/64 encap ioam6 mode inline \ + trace prealloc type 0x800000 ns 0 size 4 dev veth0 + tr_ad=$? + + ip -netns ioam-tmp-node -6 route | grep -q "encap ioam6" + tr_sh=$? + + if [[ $tr_ad != 0 || $tr_sh != 0 ]] + then + echo "SKIP: cannot attach an ioam trace to a route, did you compile" \ + "without CONFIG_IPV6_IOAM6_LWTUNNEL?" + ip link del veth0 2>/dev/null || true + ip netns del ioam-tmp-node || true + exit $ksft_skip + fi + + ip link del veth0 2>/dev/null || true + ip netns del ioam-tmp-node || true + + lsmod | grep -q "ip6_tunnel" + ip6tnl_loaded=$? + + if [ $ip6tnl_loaded = 0 ] + then + encap_tests=0 + else + modprobe ip6_tunnel &>/dev/null + lsmod | grep -q "ip6_tunnel" + encap_tests=$? + + if [ $encap_tests != 0 ] + then + ip a | grep -q "ip6tnl0" + encap_tests=$? + + if [ $encap_tests != 0 ] + then + echo "Note: ip6_tunnel not found neither as a module nor inside the" \ + "kernel, tests that require it (encap mode) will be omitted" + fi + fi + fi +} + +cleanup() +{ + ip link del ioam-veth-alpha 2>/dev/null || true + ip link del ioam-veth-gamma 2>/dev/null || true + + ip netns del ioam-node-alpha || true + ip netns del ioam-node-beta || true + ip netns del ioam-node-gamma || true + + if [ $ip6tnl_loaded != 0 ] + then + modprobe -r ip6_tunnel 2>/dev/null || true + fi +} + +setup() +{ + ip netns add ioam-node-alpha + ip netns add ioam-node-beta + ip netns add ioam-node-gamma + + ip link add name ioam-veth-alpha netns ioam-node-alpha type veth \ + peer name ioam-veth-betaL netns ioam-node-beta + ip link add name ioam-veth-betaR netns ioam-node-beta type veth \ + peer name ioam-veth-gamma netns ioam-node-gamma + + ip -netns ioam-node-alpha link set ioam-veth-alpha name veth0 + ip -netns ioam-node-beta link set ioam-veth-betaL name veth0 + ip -netns ioam-node-beta link set ioam-veth-betaR name veth1 + ip -netns ioam-node-gamma link set ioam-veth-gamma name veth0 + + ip -netns ioam-node-alpha addr add db01::2/64 dev veth0 + ip -netns ioam-node-alpha link set veth0 up + ip -netns ioam-node-alpha link set lo up + ip -netns ioam-node-alpha route add db02::/64 via db01::1 dev veth0 + ip -netns ioam-node-alpha route del db01::/64 + ip -netns ioam-node-alpha route add db01::/64 dev veth0 + + ip -netns ioam-node-beta addr add db01::1/64 dev veth0 + ip -netns ioam-node-beta addr add db02::1/64 dev veth1 + ip -netns ioam-node-beta link set veth0 up + ip -netns ioam-node-beta link set veth1 up + ip -netns ioam-node-beta link set lo up + + ip -netns ioam-node-gamma addr add db02::2/64 dev veth0 + ip -netns ioam-node-gamma link set veth0 up + ip -netns ioam-node-gamma link set lo up + ip -netns ioam-node-gamma route add db01::/64 via db02::1 dev veth0 + + # - IOAM config - + ip netns exec ioam-node-alpha sysctl -wq net.ipv6.ioam6_id=${ALPHA[0]} + ip netns exec ioam-node-alpha sysctl -wq net.ipv6.ioam6_id_wide=${ALPHA[1]} + ip netns exec ioam-node-alpha sysctl -wq net.ipv6.conf.veth0.ioam6_id=${ALPHA[4]} + ip netns exec ioam-node-alpha sysctl -wq net.ipv6.conf.veth0.ioam6_id_wide=${ALPHA[5]} + ip -netns ioam-node-alpha ioam namespace add 123 data ${ALPHA[6]} wide ${ALPHA[7]} + ip -netns ioam-node-alpha ioam schema add ${ALPHA[8]} "${ALPHA[9]}" + ip -netns ioam-node-alpha ioam namespace set 123 schema ${ALPHA[8]} + + ip netns exec ioam-node-beta sysctl -wq net.ipv6.conf.all.forwarding=1 + ip netns exec ioam-node-beta sysctl -wq net.ipv6.ioam6_id=${BETA[0]} + ip netns exec ioam-node-beta sysctl -wq net.ipv6.ioam6_id_wide=${BETA[1]} + ip netns exec ioam-node-beta sysctl -wq net.ipv6.conf.veth0.ioam6_enabled=1 + ip netns exec ioam-node-beta sysctl -wq net.ipv6.conf.veth0.ioam6_id=${BETA[2]} + ip netns exec ioam-node-beta sysctl -wq net.ipv6.conf.veth0.ioam6_id_wide=${BETA[3]} + ip netns exec ioam-node-beta sysctl -wq net.ipv6.conf.veth1.ioam6_id=${BETA[4]} + ip netns exec ioam-node-beta sysctl -wq net.ipv6.conf.veth1.ioam6_id_wide=${BETA[5]} + ip -netns ioam-node-beta ioam namespace add 123 data ${BETA[6]} wide ${BETA[7]} + ip -netns ioam-node-beta ioam schema add ${BETA[8]} "${BETA[9]}" + ip -netns ioam-node-beta ioam namespace set 123 schema ${BETA[8]} + + ip netns exec ioam-node-gamma sysctl -wq net.ipv6.ioam6_id=${GAMMA[0]} + ip netns exec ioam-node-gamma sysctl -wq net.ipv6.ioam6_id_wide=${GAMMA[1]} + ip netns exec ioam-node-gamma sysctl -wq net.ipv6.conf.veth0.ioam6_enabled=1 + ip netns exec ioam-node-gamma sysctl -wq net.ipv6.conf.veth0.ioam6_id=${GAMMA[2]} + ip netns exec ioam-node-gamma sysctl -wq net.ipv6.conf.veth0.ioam6_id_wide=${GAMMA[3]} + ip -netns ioam-node-gamma ioam namespace add 123 data ${GAMMA[6]} wide ${GAMMA[7]} + + sleep 1 + + ip netns exec ioam-node-alpha ping6 -c 5 -W 1 db02::2 &>/dev/null + if [ $? != 0 ] + then + echo "Setup FAILED" + cleanup &>/dev/null + exit 0 + fi +} + +log_test_passed() +{ + local desc=$1 + printf "TEST: %-60s [ OK ]\n" "${desc}" +} + +log_test_failed() +{ + local desc=$1 + printf "TEST: %-60s [FAIL]\n" "${desc}" +} + +log_results() +{ + echo "- Tests passed: ${npassed}" + echo "- Tests failed: ${nfailed}" +} + +run_test() +{ + local name=$1 + local desc=$2 + local node_src=$3 + local node_dst=$4 + local ip6_src=$5 + local ip6_dst=$6 + local if_dst=$7 + local trace_type=$8 + local ioam_ns=$9 + + ip netns exec $node_dst ./ioam6_parser $if_dst $name $ip6_src $ip6_dst \ + $trace_type $ioam_ns & + local spid=$! + sleep 0.1 + + ip netns exec $node_src ping6 -t 64 -c 1 -W 1 $ip6_dst &>/dev/null + if [ $? != 0 ] + then + nfailed=$((nfailed+1)) + log_test_failed "${desc}" + kill -2 $spid &>/dev/null + else + wait $spid + if [ $? = 0 ] + then + npassed=$((npassed+1)) + log_test_passed "${desc}" + else + nfailed=$((nfailed+1)) + log_test_failed "${desc}" + fi + fi +} + +run() +{ + echo + printf "%0.s-" {1..74} + echo + echo "OUTPUT tests" + printf "%0.s-" {1..74} + echo + + # set OUTPUT settings + ip netns exec ioam-node-beta sysctl -wq net.ipv6.conf.veth0.ioam6_enabled=0 + + for t in $TESTS_OUTPUT + do + $t "inline" + [ $encap_tests = 0 ] && $t "encap" + done + + # clean OUTPUT settings + ip netns exec ioam-node-beta sysctl -wq net.ipv6.conf.veth0.ioam6_enabled=1 + ip -netns ioam-node-alpha route change db01::/64 dev veth0 + + + echo + printf "%0.s-" {1..74} + echo + echo "INPUT tests" + printf "%0.s-" {1..74} + echo + + # set INPUT settings + ip -netns ioam-node-alpha ioam namespace del 123 + + for t in $TESTS_INPUT + do + $t "inline" + [ $encap_tests = 0 ] && $t "encap" + done + + # clean INPUT settings + ip -netns ioam-node-alpha ioam namespace add 123 \ + data ${ALPHA[6]} wide ${ALPHA[7]} + ip -netns ioam-node-alpha ioam namespace set 123 schema ${ALPHA[8]} + ip -netns ioam-node-alpha route change db01::/64 dev veth0 + + echo + printf "%0.s-" {1..74} + echo + echo "GLOBAL tests" + printf "%0.s-" {1..74} + echo + + for t in $TESTS_GLOBAL + do + $t "inline" + [ $encap_tests = 0 ] && $t "encap" + done + + echo + log_results +} + +bit2type=( + 0x800000 0x400000 0x200000 0x100000 0x080000 0x040000 0x020000 0x010000 + 0x008000 0x004000 0x002000 0x001000 0x000800 0x000400 0x000200 0x000100 + 0x000080 0x000040 0x000020 0x000010 0x000008 0x000004 0x000002 +) +bit2size=( 4 4 4 4 4 4 4 4 8 8 8 4 4 4 4 4 4 4 4 4 4 4 4 ) + + +################################################################################ +# # +# OUTPUT tests # +# # +# Two nodes (sender/receiver), IOAM disabled on ingress for the receiver. # +################################################################################ + +out_undef_ns() +{ + ############################################################################## + # Make sure that the encap node won't fill the trace if the chosen IOAM # + # namespace is not configured locally. # + ############################################################################## + local desc="Unknown IOAM namespace" + + [ "$1" = "encap" ] && mode="$1 tundst db01::1" || mode="$1" + [ "$1" = "encap" ] && ip -netns ioam-node-beta link set ip6tnl0 up + + ip -netns ioam-node-alpha route change db01::/64 encap ioam6 mode $mode \ + trace prealloc type 0x800000 ns 0 size 4 dev veth0 + + run_test ${FUNCNAME[0]} "${desc} ($1 mode)" ioam-node-alpha ioam-node-beta \ + db01::2 db01::1 veth0 0x800000 0 + + [ "$1" = "encap" ] && ip -netns ioam-node-beta link set ip6tnl0 down +} + +out_no_room() +{ + ############################################################################## + # Make sure that the encap node won't fill the trace and will set the # + # Overflow flag since there is no room enough for its data. # + ############################################################################## + local desc="Missing trace room" + + [ "$1" = "encap" ] && mode="$1 tundst db01::1" || mode="$1" + [ "$1" = "encap" ] && ip -netns ioam-node-beta link set ip6tnl0 up + + ip -netns ioam-node-alpha route change db01::/64 encap ioam6 mode $mode \ + trace prealloc type 0xc00000 ns 123 size 4 dev veth0 + + run_test ${FUNCNAME[0]} "${desc} ($1 mode)" ioam-node-alpha ioam-node-beta \ + db01::2 db01::1 veth0 0xc00000 123 + + [ "$1" = "encap" ] && ip -netns ioam-node-beta link set ip6tnl0 down +} + +out_bits() +{ + ############################################################################## + # Make sure that, for each trace type bit, the encap node will either: # + # (i) fill the trace with its data when it is a supported bit # + # (ii) not fill the trace with its data when it is an unsupported bit # + ############################################################################## + local desc="Trace type with bit <n> only" + + local tmp=${bit2size[22]} + bit2size[22]=$(( $tmp + ${#ALPHA[9]} + ((4 - (${#ALPHA[9]} % 4)) % 4) )) + + [ "$1" = "encap" ] && mode="$1 tundst db01::1" || mode="$1" + [ "$1" = "encap" ] && ip -netns ioam-node-beta link set ip6tnl0 up + + for i in {0..22} + do + ip -netns ioam-node-alpha route change db01::/64 encap ioam6 mode $mode \ + trace prealloc type ${bit2type[$i]} ns 123 size ${bit2size[$i]} \ + dev veth0 &>/dev/null + + local cmd_res=$? + local descr="${desc/<n>/$i}" + + if [[ $i -ge 12 && $i -le 21 ]] + then + if [ $cmd_res != 0 ] + then + npassed=$((npassed+1)) + log_test_passed "$descr" + else + nfailed=$((nfailed+1)) + log_test_failed "$descr" + fi + else + run_test "out_bit$i" "$descr ($1 mode)" ioam-node-alpha \ + ioam-node-beta db01::2 db01::1 veth0 ${bit2type[$i]} 123 + fi + done + + [ "$1" = "encap" ] && ip -netns ioam-node-beta link set ip6tnl0 down + + bit2size[22]=$tmp +} + +out_full_supp_trace() +{ + ############################################################################## + # Make sure that the encap node will correctly fill a full trace. Be careful,# + # "full trace" here does NOT mean all bits (only supported ones). # + ############################################################################## + local desc="Full supported trace" + + [ "$1" = "encap" ] && mode="$1 tundst db01::1" || mode="$1" + [ "$1" = "encap" ] && ip -netns ioam-node-beta link set ip6tnl0 up + + ip -netns ioam-node-alpha route change db01::/64 encap ioam6 mode $mode \ + trace prealloc type 0xfff002 ns 123 size 100 dev veth0 + + run_test ${FUNCNAME[0]} "${desc} ($1 mode)" ioam-node-alpha ioam-node-beta \ + db01::2 db01::1 veth0 0xfff002 123 + + [ "$1" = "encap" ] && ip -netns ioam-node-beta link set ip6tnl0 down +} + + +################################################################################ +# # +# INPUT tests # +# # +# Two nodes (sender/receiver), the sender MUST NOT fill the trace upon # +# insertion -> the IOAM namespace configured on the sender is removed # +# and is used in the inserted trace to force the sender not to fill it. # +################################################################################ + +in_undef_ns() +{ + ############################################################################## + # Make sure that the receiving node won't fill the trace if the related IOAM # + # namespace is not configured locally. # + ############################################################################## + local desc="Unknown IOAM namespace" + + [ "$1" = "encap" ] && mode="$1 tundst db01::1" || mode="$1" + [ "$1" = "encap" ] && ip -netns ioam-node-beta link set ip6tnl0 up + + ip -netns ioam-node-alpha route change db01::/64 encap ioam6 mode $mode \ + trace prealloc type 0x800000 ns 0 size 4 dev veth0 + + run_test ${FUNCNAME[0]} "${desc} ($1 mode)" ioam-node-alpha ioam-node-beta \ + db01::2 db01::1 veth0 0x800000 0 + + [ "$1" = "encap" ] && ip -netns ioam-node-beta link set ip6tnl0 down +} + +in_no_room() +{ + ############################################################################## + # Make sure that the receiving node won't fill the trace and will set the # + # Overflow flag if there is no room enough for its data. # + ############################################################################## + local desc="Missing trace room" + + [ "$1" = "encap" ] && mode="$1 tundst db01::1" || mode="$1" + [ "$1" = "encap" ] && ip -netns ioam-node-beta link set ip6tnl0 up + + ip -netns ioam-node-alpha route change db01::/64 encap ioam6 mode $mode \ + trace prealloc type 0xc00000 ns 123 size 4 dev veth0 + + run_test ${FUNCNAME[0]} "${desc} ($1 mode)" ioam-node-alpha ioam-node-beta \ + db01::2 db01::1 veth0 0xc00000 123 + + [ "$1" = "encap" ] && ip -netns ioam-node-beta link set ip6tnl0 down +} + +in_bits() +{ + ############################################################################## + # Make sure that, for each trace type bit, the receiving node will either: # + # (i) fill the trace with its data when it is a supported bit # + # (ii) not fill the trace with its data when it is an unsupported bit # + ############################################################################## + local desc="Trace type with bit <n> only" + + local tmp=${bit2size[22]} + bit2size[22]=$(( $tmp + ${#BETA[9]} + ((4 - (${#BETA[9]} % 4)) % 4) )) + + [ "$1" = "encap" ] && mode="$1 tundst db01::1" || mode="$1" + [ "$1" = "encap" ] && ip -netns ioam-node-beta link set ip6tnl0 up + + for i in {0..11} {22..22} + do + ip -netns ioam-node-alpha route change db01::/64 encap ioam6 mode $mode \ + trace prealloc type ${bit2type[$i]} ns 123 size ${bit2size[$i]} \ + dev veth0 + + run_test "in_bit$i" "${desc/<n>/$i} ($1 mode)" ioam-node-alpha \ + ioam-node-beta db01::2 db01::1 veth0 ${bit2type[$i]} 123 + done + + [ "$1" = "encap" ] && ip -netns ioam-node-beta link set ip6tnl0 down + + bit2size[22]=$tmp +} + +in_oflag() +{ + ############################################################################## + # Make sure that the receiving node won't fill the trace since the Overflow # + # flag is set. # + ############################################################################## + local desc="Overflow flag is set" + + # Exception: + # Here, we need the sender to set the Overflow flag. For that, we will add + # back the IOAM namespace that was previously configured on the sender. + ip -netns ioam-node-alpha ioam namespace add 123 + + [ "$1" = "encap" ] && mode="$1 tundst db01::1" || mode="$1" + [ "$1" = "encap" ] && ip -netns ioam-node-beta link set ip6tnl0 up + + ip -netns ioam-node-alpha route change db01::/64 encap ioam6 mode $mode \ + trace prealloc type 0xc00000 ns 123 size 4 dev veth0 + + run_test ${FUNCNAME[0]} "${desc} ($1 mode)" ioam-node-alpha ioam-node-beta \ + db01::2 db01::1 veth0 0xc00000 123 + + [ "$1" = "encap" ] && ip -netns ioam-node-beta link set ip6tnl0 down + + # And we clean the exception for this test to get things back to normal for + # other INPUT tests + ip -netns ioam-node-alpha ioam namespace del 123 +} + +in_full_supp_trace() +{ + ############################################################################## + # Make sure that the receiving node will correctly fill a full trace. Be # + # careful, "full trace" here does NOT mean all bits (only supported ones). # + ############################################################################## + local desc="Full supported trace" + + [ "$1" = "encap" ] && mode="$1 tundst db01::1" || mode="$1" + [ "$1" = "encap" ] && ip -netns ioam-node-beta link set ip6tnl0 up + + ip -netns ioam-node-alpha route change db01::/64 encap ioam6 mode $mode \ + trace prealloc type 0xfff002 ns 123 size 80 dev veth0 + + run_test ${FUNCNAME[0]} "${desc} ($1 mode)" ioam-node-alpha ioam-node-beta \ + db01::2 db01::1 veth0 0xfff002 123 + + [ "$1" = "encap" ] && ip -netns ioam-node-beta link set ip6tnl0 down +} + + +################################################################################ +# # +# GLOBAL tests # +# # +# Three nodes (sender/router/receiver), IOAM fully enabled on every node. # +################################################################################ + +fwd_full_supp_trace() +{ + ############################################################################## + # Make sure that all three nodes correctly filled the full supported trace # + # by checking that the trace data is consistent with the predefined config. # + ############################################################################## + local desc="Forward - Full supported trace" + + [ "$1" = "encap" ] && mode="$1 tundst db02::2" || mode="$1" + [ "$1" = "encap" ] && ip -netns ioam-node-gamma link set ip6tnl0 up + + ip -netns ioam-node-alpha route change db02::/64 encap ioam6 mode $mode \ + trace prealloc type 0xfff002 ns 123 size 244 via db01::1 dev veth0 + + run_test ${FUNCNAME[0]} "${desc} ($1 mode)" ioam-node-alpha ioam-node-gamma \ + db01::2 db02::2 veth0 0xfff002 123 + + [ "$1" = "encap" ] && ip -netns ioam-node-gamma link set ip6tnl0 down +} + + +################################################################################ +# # +# MAIN # +# # +################################################################################ + +npassed=0 +nfailed=0 + +if [ "$(id -u)" -ne 0 ] +then + echo "SKIP: Need root privileges" + exit $ksft_skip +fi + +if [ ! -x "$(command -v ip)" ] +then + echo "SKIP: Could not run test without ip tool" + exit $ksft_skip +fi + +ip ioam &>/dev/null +if [ $? = 1 ] +then + echo "SKIP: iproute2 too old, missing ioam command" + exit $ksft_skip +fi + +check_kernel_compatibility + +cleanup &>/dev/null +setup +run +cleanup &>/dev/null |