From acf10a8c0b3a36d5ff35f91585e9755ea0b62ac3 Mon Sep 17 00:00:00 2001 From: Jakub Kicinski Date: Wed, 12 Mar 2025 14:10:40 +0100 Subject: selftests: drv-net: use defer in the ping test Make sure the test cleans up after itself. The XDP off statements at the end of the test may not be reached. Fixes: 75cc19c8ff89 ("selftests: drv-net: add xdp cases for ping.py") Signed-off-by: Jakub Kicinski Reviewed-by: Simon Horman Link: https://patch.msgid.link/20250312131040.660386-1-kuba@kernel.org Signed-off-by: Paolo Abeni --- tools/testing/selftests/drivers/net/ping.py | 16 ++++++++-------- 1 file changed, 8 insertions(+), 8 deletions(-) (limited to 'tools/testing') diff --git a/tools/testing/selftests/drivers/net/ping.py b/tools/testing/selftests/drivers/net/ping.py index 93f4b411b378..fc69bfcc37c4 100755 --- a/tools/testing/selftests/drivers/net/ping.py +++ b/tools/testing/selftests/drivers/net/ping.py @@ -7,7 +7,7 @@ from lib.py import ksft_run, ksft_exit from lib.py import ksft_eq, KsftSkipEx, KsftFailEx from lib.py import EthtoolFamily, NetDrvEpEnv from lib.py import bkg, cmd, wait_port_listen, rand_port -from lib.py import ethtool, ip +from lib.py import defer, ethtool, ip remote_ifname="" no_sleep=False @@ -60,6 +60,7 @@ def _set_xdp_generic_sb_on(cfg) -> None: prog = test_dir + "/../../net/lib/xdp_dummy.bpf.o" cmd(f"ip link set dev {remote_ifname} mtu 1500", shell=True, host=cfg.remote) cmd(f"ip link set dev {cfg.ifname} mtu 1500 xdpgeneric obj {prog} sec xdp", shell=True) + defer(cmd, f"ip link set dev {cfg.ifname} xdpgeneric off") if no_sleep != True: time.sleep(10) @@ -68,7 +69,9 @@ def _set_xdp_generic_mb_on(cfg) -> None: test_dir = os.path.dirname(os.path.realpath(__file__)) prog = test_dir + "/../../net/lib/xdp_dummy.bpf.o" cmd(f"ip link set dev {remote_ifname} mtu 9000", shell=True, host=cfg.remote) + defer(ip, f"link set dev {remote_ifname} mtu 1500", host=cfg.remote) ip("link set dev %s mtu 9000 xdpgeneric obj %s sec xdp.frags" % (cfg.ifname, prog)) + defer(ip, f"link set dev {cfg.ifname} mtu 1500 xdpgeneric off") if no_sleep != True: time.sleep(10) @@ -78,6 +81,7 @@ def _set_xdp_native_sb_on(cfg) -> None: prog = test_dir + "/../../net/lib/xdp_dummy.bpf.o" cmd(f"ip link set dev {remote_ifname} mtu 1500", shell=True, host=cfg.remote) cmd(f"ip -j link set dev {cfg.ifname} mtu 1500 xdp obj {prog} sec xdp", shell=True) + defer(ip, f"link set dev {cfg.ifname} mtu 1500 xdp off") xdp_info = ip("-d link show %s" % (cfg.ifname), json=True)[0] if xdp_info['xdp']['mode'] != 1: """ @@ -94,10 +98,11 @@ def _set_xdp_native_mb_on(cfg) -> None: test_dir = os.path.dirname(os.path.realpath(__file__)) prog = test_dir + "/../../net/lib/xdp_dummy.bpf.o" cmd(f"ip link set dev {remote_ifname} mtu 9000", shell=True, host=cfg.remote) + defer(ip, f"link set dev {remote_ifname} mtu 1500", host=cfg.remote) try: cmd(f"ip link set dev {cfg.ifname} mtu 9000 xdp obj {prog} sec xdp.frags", shell=True) + defer(ip, f"link set dev {cfg.ifname} mtu 1500 xdp off") except Exception as e: - cmd(f"ip link set dev {remote_ifname} mtu 1500", shell=True, host=cfg.remote) raise KsftSkipEx('device does not support native-multi-buffer XDP') if no_sleep != True: @@ -111,6 +116,7 @@ def _set_xdp_offload_on(cfg) -> None: cmd(f"ip link set dev {cfg.ifname} xdpoffload obj {prog} sec xdp", shell=True) except Exception as e: raise KsftSkipEx('device does not support offloaded XDP') + defer(ip, f"link set dev {cfg.ifname} xdpoffload off") cmd(f"ip link set dev {remote_ifname} mtu 1500", shell=True, host=cfg.remote) if no_sleep != True: @@ -157,7 +163,6 @@ def test_xdp_generic_sb(cfg, netnl) -> None: _test_v4(cfg) _test_v6(cfg) _test_tcp(cfg) - ip("link set dev %s xdpgeneric off" % cfg.ifname) def test_xdp_generic_mb(cfg, netnl) -> None: _set_xdp_generic_mb_on(cfg) @@ -169,7 +174,6 @@ def test_xdp_generic_mb(cfg, netnl) -> None: _test_v4(cfg) _test_v6(cfg) _test_tcp(cfg) - ip("link set dev %s xdpgeneric off" % cfg.ifname) def test_xdp_native_sb(cfg, netnl) -> None: _set_xdp_native_sb_on(cfg) @@ -181,7 +185,6 @@ def test_xdp_native_sb(cfg, netnl) -> None: _test_v4(cfg) _test_v6(cfg) _test_tcp(cfg) - ip("link set dev %s xdp off" % cfg.ifname) def test_xdp_native_mb(cfg, netnl) -> None: _set_xdp_native_mb_on(cfg) @@ -193,14 +196,12 @@ def test_xdp_native_mb(cfg, netnl) -> None: _test_v4(cfg) _test_v6(cfg) _test_tcp(cfg) - ip("link set dev %s xdp off" % cfg.ifname) def test_xdp_offload(cfg, netnl) -> None: _set_xdp_offload_on(cfg) _test_v4(cfg) _test_v6(cfg) _test_tcp(cfg) - ip("link set dev %s xdpoffload off" % cfg.ifname) def main() -> None: with NetDrvEpEnv(__file__) as cfg: @@ -213,7 +214,6 @@ def main() -> None: test_xdp_native_mb, test_xdp_offload], args=(cfg, EthtoolFamily())) - set_interface_init(cfg) ksft_exit() -- cgit v1.2.3 From 3ed61b8938c66680e13a1d1929afb9b145c26a86 Mon Sep 17 00:00:00 2001 From: Justin Iurman Date: Fri, 14 Mar 2025 13:00:48 +0100 Subject: selftests: net: test for lwtunnel dst ref loops As recently specified by commit 0ea09cbf8350 ("docs: netdev: add a note on selftest posting") in net-next, the selftest is therefore shipped in this series. However, this selftest does not really test this series. It needs this series to avoid crashing the kernel. What it really tests, thanks to kmemleak, is what was fixed by the following commits: - commit c71a192976de ("net: ipv6: fix dst refleaks in rpl, seg6 and ioam6 lwtunnels") - commit 92191dd10730 ("net: ipv6: fix dst ref loops in rpl, seg6 and ioam6 lwtunnels") - commit c64a0727f9b1 ("net: ipv6: fix dst ref loop on input in seg6 lwt") - commit 13e55fbaec17 ("net: ipv6: fix dst ref loop on input in rpl lwt") - commit 0e7633d7b95b ("net: ipv6: fix dst ref loop in ila lwtunnel") - commit 5da15a9c11c1 ("net: ipv6: fix missing dst ref drop in ila lwtunnel") Signed-off-by: Justin Iurman Link: https://patch.msgid.link/20250314120048.12569-4-justin.iurman@uliege.be Signed-off-by: Paolo Abeni --- tools/testing/selftests/net/Makefile | 1 + tools/testing/selftests/net/config | 2 + .../selftests/net/lwt_dst_cache_ref_loop.sh | 246 +++++++++++++++++++++ 3 files changed, 249 insertions(+) create mode 100755 tools/testing/selftests/net/lwt_dst_cache_ref_loop.sh (limited to 'tools/testing') diff --git a/tools/testing/selftests/net/Makefile b/tools/testing/selftests/net/Makefile index 5916f3b81c39..843ab747645d 100644 --- a/tools/testing/selftests/net/Makefile +++ b/tools/testing/selftests/net/Makefile @@ -101,6 +101,7 @@ TEST_PROGS += vlan_bridge_binding.sh TEST_PROGS += bpf_offload.py TEST_PROGS += ipv6_route_update_soft_lockup.sh TEST_PROGS += busy_poll_test.sh +TEST_PROGS += lwt_dst_cache_ref_loop.sh # YNL files, must be before "include ..lib.mk" YNL_GEN_FILES := busy_poller netlink-dumps diff --git a/tools/testing/selftests/net/config b/tools/testing/selftests/net/config index 5b9baf708950..61e5116987f3 100644 --- a/tools/testing/selftests/net/config +++ b/tools/testing/selftests/net/config @@ -107,3 +107,5 @@ CONFIG_XFRM_INTERFACE=m CONFIG_XFRM_USER=m CONFIG_IP_NF_MATCH_RPFILTER=m CONFIG_IP6_NF_MATCH_RPFILTER=m +CONFIG_IPV6_ILA=m +CONFIG_IPV6_RPL_LWTUNNEL=y diff --git a/tools/testing/selftests/net/lwt_dst_cache_ref_loop.sh b/tools/testing/selftests/net/lwt_dst_cache_ref_loop.sh new file mode 100755 index 000000000000..881eb399798f --- /dev/null +++ b/tools/testing/selftests/net/lwt_dst_cache_ref_loop.sh @@ -0,0 +1,246 @@ +#!/bin/bash +# SPDX-License-Identifier: GPL-2.0+ +# +# Author: Justin Iurman +# +# WARNING +# ------- +# This is just a dummy script that triggers encap cases with possible dst cache +# reference loops in affected lwt users (see list below). Some cases are +# pathological configurations for simplicity, others are valid. Overall, we +# don't want this issue to happen, no matter what. In order to catch any +# reference loops, kmemleak MUST be used. The results alone are always blindly +# successful, don't rely on them. Note that the following tests may crash the +# kernel if the fix to prevent lwtunnel_{input|output|xmit}() reentry loops is +# not present. +# +# Affected lwt users so far (please update accordingly if needed): +# - ila_lwt (output only) +# - ioam6_iptunnel (output only) +# - rpl_iptunnel (both input and output) +# - seg6_iptunnel (both input and output) + +source lib.sh + +check_compatibility() +{ + setup_ns tmp_node &>/dev/null + if [ $? != 0 ]; then + echo "SKIP: Cannot create netns." + exit $ksft_skip + fi + + ip link add name veth0 netns $tmp_node type veth \ + peer name veth1 netns $tmp_node &>/dev/null + local ret=$? + + ip -netns $tmp_node link set veth0 up &>/dev/null + ret=$((ret + $?)) + + ip -netns $tmp_node link set veth1 up &>/dev/null + ret=$((ret + $?)) + + if [ $ret != 0 ]; then + echo "SKIP: Cannot configure links." + cleanup_ns $tmp_node + exit $ksft_skip + fi + + lsmod 2>/dev/null | grep -q "ila" + ila_lsmod=$? + [ $ila_lsmod != 0 ] && modprobe ila &>/dev/null + + ip -netns $tmp_node route add 2001:db8:1::/64 \ + encap ila 1:2:3:4 csum-mode no-action ident-type luid \ + hook-type output \ + dev veth0 &>/dev/null + + ip -netns $tmp_node route add 2001:db8:2::/64 \ + encap ioam6 trace prealloc type 0x800000 ns 0 size 4 \ + dev veth0 &>/dev/null + + ip -netns $tmp_node route add 2001:db8:3::/64 \ + encap rpl segs 2001:db8:3::1 dev veth0 &>/dev/null + + ip -netns $tmp_node route add 2001:db8:4::/64 \ + encap seg6 mode inline segs 2001:db8:4::1 dev veth0 &>/dev/null + + ip -netns $tmp_node -6 route 2>/dev/null | grep -q "encap ila" + skip_ila=$? + + ip -netns $tmp_node -6 route 2>/dev/null | grep -q "encap ioam6" + skip_ioam6=$? + + ip -netns $tmp_node -6 route 2>/dev/null | grep -q "encap rpl" + skip_rpl=$? + + ip -netns $tmp_node -6 route 2>/dev/null | grep -q "encap seg6" + skip_seg6=$? + + cleanup_ns $tmp_node +} + +setup() +{ + setup_ns alpha beta gamma &>/dev/null + + ip link add name veth-alpha netns $alpha type veth \ + peer name veth-betaL netns $beta &>/dev/null + + ip link add name veth-betaR netns $beta type veth \ + peer name veth-gamma netns $gamma &>/dev/null + + ip -netns $alpha link set veth-alpha name veth0 &>/dev/null + ip -netns $beta link set veth-betaL name veth0 &>/dev/null + ip -netns $beta link set veth-betaR name veth1 &>/dev/null + ip -netns $gamma link set veth-gamma name veth0 &>/dev/null + + ip -netns $alpha addr add 2001:db8:1::2/64 dev veth0 &>/dev/null + ip -netns $alpha link set veth0 up &>/dev/null + ip -netns $alpha link set lo up &>/dev/null + ip -netns $alpha route add 2001:db8:2::/64 \ + via 2001:db8:1::1 dev veth0 &>/dev/null + + ip -netns $beta addr add 2001:db8:1::1/64 dev veth0 &>/dev/null + ip -netns $beta addr add 2001:db8:2::1/64 dev veth1 &>/dev/null + ip -netns $beta link set veth0 up &>/dev/null + ip -netns $beta link set veth1 up &>/dev/null + ip -netns $beta link set lo up &>/dev/null + ip -netns $beta route del 2001:db8:2::/64 + ip -netns $beta route add 2001:db8:2::/64 dev veth1 + ip netns exec $beta \ + sysctl -wq net.ipv6.conf.all.forwarding=1 &>/dev/null + + ip -netns $gamma addr add 2001:db8:2::2/64 dev veth0 &>/dev/null + ip -netns $gamma link set veth0 up &>/dev/null + ip -netns $gamma link set lo up &>/dev/null + ip -netns $gamma route add 2001:db8:1::/64 \ + via 2001:db8:2::1 dev veth0 &>/dev/null + + sleep 1 + + ip netns exec $alpha ping6 -c 5 -W 1 2001:db8:2::2 &>/dev/null + if [ $? != 0 ]; then + echo "SKIP: Setup failed." + exit $ksft_skip + fi + + sleep 1 +} + +cleanup() +{ + cleanup_ns $alpha $beta $gamma + [ $ila_lsmod != 0 ] && modprobe -r ila &>/dev/null +} + +run_ila() +{ + if [ $skip_ila != 0 ]; then + echo "SKIP: ila (output)" + return + fi + + ip -netns $beta route del 2001:db8:2::/64 + ip -netns $beta route add 2001:db8:2:0:0:0:0:2/128 \ + encap ila 2001:db8:2:0 csum-mode no-action ident-type luid \ + hook-type output \ + dev veth1 &>/dev/null + sleep 1 + + echo "TEST: ila (output)" + ip netns exec $beta ping6 -c 2 -W 1 2001:db8:2::2 &>/dev/null + sleep 1 + + ip -netns $beta route del 2001:db8:2:0:0:0:0:2/128 + ip -netns $beta route add 2001:db8:2::/64 dev veth1 + sleep 1 +} + +run_ioam6() +{ + if [ $skip_ioam6 != 0 ]; then + echo "SKIP: ioam6 (output)" + return + fi + + ip -netns $beta route change 2001:db8:2::/64 \ + encap ioam6 trace prealloc type 0x800000 ns 1 size 4 \ + dev veth1 &>/dev/null + sleep 1 + + echo "TEST: ioam6 (output)" + ip netns exec $beta ping6 -c 2 -W 1 2001:db8:2::2 &>/dev/null + sleep 1 +} + +run_rpl() +{ + if [ $skip_rpl != 0 ]; then + echo "SKIP: rpl (input)" + echo "SKIP: rpl (output)" + return + fi + + ip -netns $beta route change 2001:db8:2::/64 \ + encap rpl segs 2001:db8:2::2 \ + dev veth1 &>/dev/null + sleep 1 + + echo "TEST: rpl (input)" + ip netns exec $alpha ping6 -c 2 -W 1 2001:db8:2::2 &>/dev/null + sleep 1 + + echo "TEST: rpl (output)" + ip netns exec $beta ping6 -c 2 -W 1 2001:db8:2::2 &>/dev/null + sleep 1 +} + +run_seg6() +{ + if [ $skip_seg6 != 0 ]; then + echo "SKIP: seg6 (input)" + echo "SKIP: seg6 (output)" + return + fi + + ip -netns $beta route change 2001:db8:2::/64 \ + encap seg6 mode inline segs 2001:db8:2::2 \ + dev veth1 &>/dev/null + sleep 1 + + echo "TEST: seg6 (input)" + ip netns exec $alpha ping6 -c 2 -W 1 2001:db8:2::2 &>/dev/null + sleep 1 + + echo "TEST: seg6 (output)" + ip netns exec $beta ping6 -c 2 -W 1 2001:db8:2::2 &>/dev/null + sleep 1 +} + +run() +{ + run_ila + run_ioam6 + run_rpl + run_seg6 +} + +if [ "$(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 + +check_compatibility + +trap cleanup EXIT + +setup +run + +exit $ksft_pass -- cgit v1.2.3 From 355d940f4d5ae56ed082a455ce2cc737c7e898e8 Mon Sep 17 00:00:00 2001 From: Guillaume Nault Date: Wed, 19 Mar 2025 22:26:45 +0100 Subject: Revert "selftests: Add IPv6 link-local address generation tests for GRE devices." This reverts commit 6f50175ccad4278ed3a9394c00b797b75441bd6e. Commit 183185a18ff9 ("gre: Fix IPv6 link-local address generation.") is going to be reverted. So let's revert the corresponding kselftest first. Signed-off-by: Guillaume Nault Link: https://patch.msgid.link/259a9e98f7f1be7ce02b53d0b4afb7c18a8ff747.1742418408.git.gnault@redhat.com Acked-by: Stanislav Fomichev Signed-off-by: Paolo Abeni --- tools/testing/selftests/net/Makefile | 1 - tools/testing/selftests/net/gre_ipv6_lladdr.sh | 177 ------------------------- 2 files changed, 178 deletions(-) delete mode 100755 tools/testing/selftests/net/gre_ipv6_lladdr.sh (limited to 'tools/testing') diff --git a/tools/testing/selftests/net/Makefile b/tools/testing/selftests/net/Makefile index 843ab747645d..8f32b4f01aee 100644 --- a/tools/testing/selftests/net/Makefile +++ b/tools/testing/selftests/net/Makefile @@ -31,7 +31,6 @@ TEST_PROGS += veth.sh TEST_PROGS += ioam6.sh TEST_PROGS += gro.sh TEST_PROGS += gre_gso.sh -TEST_PROGS += gre_ipv6_lladdr.sh TEST_PROGS += cmsg_so_mark.sh TEST_PROGS += cmsg_so_priority.sh TEST_PROGS += cmsg_time.sh cmsg_ipv6.sh diff --git a/tools/testing/selftests/net/gre_ipv6_lladdr.sh b/tools/testing/selftests/net/gre_ipv6_lladdr.sh deleted file mode 100755 index 5b34f6e1f831..000000000000 --- a/tools/testing/selftests/net/gre_ipv6_lladdr.sh +++ /dev/null @@ -1,177 +0,0 @@ -#!/bin/bash -# SPDX-License-Identifier: GPL-2.0 - -source ./lib.sh - -PAUSE_ON_FAIL="no" - -# The trap function handler -# -exit_cleanup_all() -{ - cleanup_all_ns - - exit "${EXIT_STATUS}" -} - -# Add fake IPv4 and IPv6 networks on the loopback device, to be used as -# underlay by future GRE devices. -# -setup_basenet() -{ - ip -netns "${NS0}" link set dev lo up - ip -netns "${NS0}" address add dev lo 192.0.2.10/24 - ip -netns "${NS0}" address add dev lo 2001:db8::10/64 nodad -} - -# Check if network device has an IPv6 link-local address assigned. -# -# Parameters: -# -# * $1: The network device to test -# * $2: An extra regular expression that should be matched (to verify the -# presence of extra attributes) -# * $3: The expected return code from grep (to allow checking the absence of -# a link-local address) -# * $4: The user visible name for the scenario being tested -# -check_ipv6_ll_addr() -{ - local DEV="$1" - local EXTRA_MATCH="$2" - local XRET="$3" - local MSG="$4" - - RET=0 - set +e - ip -netns "${NS0}" -6 address show dev "${DEV}" scope link | grep "fe80::" | grep -q "${EXTRA_MATCH}" - check_err_fail "${XRET}" $? "" - log_test "${MSG}" - set -e -} - -# Create a GRE device and verify that it gets an IPv6 link-local address as -# expected. -# -# Parameters: -# -# * $1: The device type (gre, ip6gre, gretap or ip6gretap) -# * $2: The local underlay IP address (can be an IPv4, an IPv6 or "any") -# * $3: The remote underlay IP address (can be an IPv4, an IPv6 or "any") -# * $4: The IPv6 interface identifier generation mode to use for the GRE -# device (eui64, none, stable-privacy or random). -# -test_gre_device() -{ - local GRE_TYPE="$1" - local LOCAL_IP="$2" - local REMOTE_IP="$3" - local MODE="$4" - local ADDR_GEN_MODE - local MATCH_REGEXP - local MSG - - ip link add netns "${NS0}" name gretest type "${GRE_TYPE}" local "${LOCAL_IP}" remote "${REMOTE_IP}" - - case "${MODE}" in - "eui64") - ADDR_GEN_MODE=0 - MATCH_REGEXP="" - MSG="${GRE_TYPE}, mode: 0 (EUI64), ${LOCAL_IP} -> ${REMOTE_IP}" - XRET=0 - ;; - "none") - ADDR_GEN_MODE=1 - MATCH_REGEXP="" - MSG="${GRE_TYPE}, mode: 1 (none), ${LOCAL_IP} -> ${REMOTE_IP}" - XRET=1 # No link-local address should be generated - ;; - "stable-privacy") - ADDR_GEN_MODE=2 - MATCH_REGEXP="stable-privacy" - MSG="${GRE_TYPE}, mode: 2 (stable privacy), ${LOCAL_IP} -> ${REMOTE_IP}" - XRET=0 - # Initialise stable_secret (required for stable-privacy mode) - ip netns exec "${NS0}" sysctl -qw net.ipv6.conf.gretest.stable_secret="2001:db8::abcd" - ;; - "random") - ADDR_GEN_MODE=3 - MATCH_REGEXP="stable-privacy" - MSG="${GRE_TYPE}, mode: 3 (random), ${LOCAL_IP} -> ${REMOTE_IP}" - XRET=0 - ;; - esac - - # Check that IPv6 link-local address is generated when device goes up - ip netns exec "${NS0}" sysctl -qw net.ipv6.conf.gretest.addr_gen_mode="${ADDR_GEN_MODE}" - ip -netns "${NS0}" link set dev gretest up - check_ipv6_ll_addr gretest "${MATCH_REGEXP}" "${XRET}" "config: ${MSG}" - - # Now disable link-local address generation - ip -netns "${NS0}" link set dev gretest down - ip netns exec "${NS0}" sysctl -qw net.ipv6.conf.gretest.addr_gen_mode=1 - ip -netns "${NS0}" link set dev gretest up - - # Check that link-local address generation works when re-enabled while - # the device is already up - ip netns exec "${NS0}" sysctl -qw net.ipv6.conf.gretest.addr_gen_mode="${ADDR_GEN_MODE}" - check_ipv6_ll_addr gretest "${MATCH_REGEXP}" "${XRET}" "update: ${MSG}" - - ip -netns "${NS0}" link del dev gretest -} - -test_gre4() -{ - local GRE_TYPE - local MODE - - for GRE_TYPE in "gre" "gretap"; do - printf "\n####\nTesting IPv6 link-local address generation on ${GRE_TYPE} devices\n####\n\n" - - for MODE in "eui64" "none" "stable-privacy" "random"; do - test_gre_device "${GRE_TYPE}" 192.0.2.10 192.0.2.11 "${MODE}" - test_gre_device "${GRE_TYPE}" any 192.0.2.11 "${MODE}" - test_gre_device "${GRE_TYPE}" 192.0.2.10 any "${MODE}" - done - done -} - -test_gre6() -{ - local GRE_TYPE - local MODE - - for GRE_TYPE in "ip6gre" "ip6gretap"; do - printf "\n####\nTesting IPv6 link-local address generation on ${GRE_TYPE} devices\n####\n\n" - - for MODE in "eui64" "none" "stable-privacy" "random"; do - test_gre_device "${GRE_TYPE}" 2001:db8::10 2001:db8::11 "${MODE}" - test_gre_device "${GRE_TYPE}" any 2001:db8::11 "${MODE}" - test_gre_device "${GRE_TYPE}" 2001:db8::10 any "${MODE}" - done - done -} - -usage() -{ - echo "Usage: $0 [-p]" - exit 1 -} - -while getopts :p o -do - case $o in - p) PAUSE_ON_FAIL="yes";; - *) usage;; - esac -done - -setup_ns NS0 - -set -e -trap exit_cleanup_all EXIT - -setup_basenet - -test_gre4 -test_gre6 -- cgit v1.2.3