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diff --git a/tools/testing/selftests/net/ioam6.sh b/tools/testing/selftests/net/ioam6.sh
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+#!/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 the 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 | |
+# +-----------------------------------------------------------+
+
+
+################################################################################
+# #
+# 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 &>/dev/null
+ ns_ad=$?
+
+ ip -netns ioam-tmp-node ioam namespace show | grep -q "namespace 0"
+ ns_sh=$?
+
+ if [[ $ns_ad != 0 || $ns_sh != 0 ]]
+ then
+ echo "SKIP: kernel version probably too old, missing ioam support"
+ ip link del veth0 2>/dev/null || true
+ ip netns del ioam-tmp-node || true
+ exit 1
+ fi
+
+ ip -netns ioam-tmp-node route add db02::/64 encap ioam6 trace prealloc \
+ type 0x800000 ns 0 size 4 dev veth0 &>/dev/null
+ tr_ad=$?
+
+ ip -netns ioam-tmp-node -6 route | grep -q "encap ioam6 trace"
+ 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 1
+ fi
+
+ ip link del veth0 2>/dev/null || true
+ ip netns del ioam-tmp-node || true
+}
+
+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
+}
+
+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}"
+}
+
+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 [ $? != 0 ]
+ then
+ log_test_failed "${desc}"
+ kill -2 $spid &>/dev/null
+ else
+ wait $spid
+ [ $? = 0 ] && log_test_passed "${desc}" || log_test_failed "${desc}"
+ fi
+}
+
+run()
+{
+ 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
+ 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
+ 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
+ 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
+ echo "GLOBAL tests"
+ printf "%0.s-" {1..74}
+ echo
+
+ for t in $TESTS_GLOBAL
+ do
+ $t
+ done
+}
+
+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"
+
+ ip -netns ioam-node-alpha route change db01::/64 encap ioam6 trace prealloc \
+ type 0x800000 ns 0 size 4 dev veth0
+
+ run_test ${FUNCNAME[0]} "${desc}" ioam-node-alpha ioam-node-beta db01::2 \
+ db01::1 veth0 0x800000 0
+}
+
+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"
+
+ ip -netns ioam-node-alpha route change db01::/64 encap ioam6 trace prealloc \
+ type 0xc00000 ns 123 size 4 dev veth0
+
+ run_test ${FUNCNAME[0]} "${desc}" ioam-node-alpha ioam-node-beta db01::2 \
+ db01::1 veth0 0xc00000 123
+}
+
+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) ))
+
+ for i in {0..22}
+ do
+ ip -netns ioam-node-alpha route change db01::/64 encap ioam6 trace \
+ prealloc type ${bit2type[$i]} ns 123 size ${bit2size[$i]} dev veth0
+
+ run_test "out_bit$i" "${desc/<n>/$i}" ioam-node-alpha ioam-node-beta \
+ db01::2 db01::1 veth0 ${bit2type[$i]} 123
+ done
+
+ 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"
+
+ ip -netns ioam-node-alpha route change db01::/64 encap ioam6 trace prealloc \
+ type 0xfff002 ns 123 size 100 dev veth0
+
+ run_test ${FUNCNAME[0]} "${desc}" ioam-node-alpha ioam-node-beta db01::2 \
+ db01::1 veth0 0xfff002 123
+}
+
+
+################################################################################
+# #
+# 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"
+
+ ip -netns ioam-node-alpha route change db01::/64 encap ioam6 trace prealloc \
+ type 0x800000 ns 0 size 4 dev veth0
+
+ run_test ${FUNCNAME[0]} "${desc}" ioam-node-alpha ioam-node-beta db01::2 \
+ db01::1 veth0 0x800000 0
+}
+
+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"
+
+ ip -netns ioam-node-alpha route change db01::/64 encap ioam6 trace prealloc \
+ type 0xc00000 ns 123 size 4 dev veth0
+
+ run_test ${FUNCNAME[0]} "${desc}" ioam-node-alpha ioam-node-beta db01::2 \
+ db01::1 veth0 0xc00000 123
+}
+
+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) ))
+
+ for i in {0..22}
+ do
+ ip -netns ioam-node-alpha route change db01::/64 encap ioam6 trace \
+ prealloc type ${bit2type[$i]} ns 123 size ${bit2size[$i]} dev veth0
+
+ run_test "in_bit$i" "${desc/<n>/$i}" ioam-node-alpha ioam-node-beta \
+ db01::2 db01::1 veth0 ${bit2type[$i]} 123
+ done
+
+ 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
+
+ ip -netns ioam-node-alpha route change db01::/64 encap ioam6 trace prealloc \
+ type 0xc00000 ns 123 size 4 dev veth0
+
+ run_test ${FUNCNAME[0]} "${desc}" ioam-node-alpha ioam-node-beta db01::2 \
+ db01::1 veth0 0xc00000 123
+
+ # 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"
+
+ ip -netns ioam-node-alpha route change db01::/64 encap ioam6 trace prealloc \
+ type 0xfff002 ns 123 size 80 dev veth0
+
+ run_test ${FUNCNAME[0]} "${desc}" ioam-node-alpha ioam-node-beta db01::2 \
+ db01::1 veth0 0xfff002 123
+}
+
+
+################################################################################
+# #
+# 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"
+
+ ip -netns ioam-node-alpha route change db02::/64 encap ioam6 trace prealloc \
+ type 0xfff002 ns 123 size 244 via db01::1 dev veth0
+
+ run_test ${FUNCNAME[0]} "${desc}" ioam-node-alpha ioam-node-gamma db01::2 \
+ db02::2 veth0 0xfff002 123
+}
+
+
+################################################################################
+# #
+# MAIN #
+# #
+################################################################################
+
+if [ "$(id -u)" -ne 0 ]
+then
+ echo "SKIP: Need root privileges"
+ exit 1
+fi
+
+if [ ! -x "$(command -v ip)" ]
+then
+ echo "SKIP: Could not run test without ip tool"
+ exit 1
+fi
+
+ip ioam &>/dev/null
+if [ $? = 1 ]
+then
+ echo "SKIP: iproute2 too old, missing ioam command"
+ exit 1
+fi
+
+check_kernel_compatibility
+
+cleanup &>/dev/null
+setup
+run
+cleanup &>/dev/null
generated by cgit v1.2.3 (git 2.39.0) at 2024-11-15 18:52:18 +0300