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|
#!/bin/bash
# SPDX-License-Identifier: GPL-2.0
# Test ipv6 stats on the incoming if when forwarding with VRF
ALL_TESTS="
ipv6_ping
ipv6_in_too_big_err
ipv6_in_hdr_err
ipv6_in_addr_err
ipv6_in_discard
"
NUM_NETIFS=4
source lib.sh
h1_create()
{
simple_if_init $h1 2001:1:1::2/64
ip -6 route add vrf v$h1 2001:1:2::/64 via 2001:1:1::1
}
h1_destroy()
{
ip -6 route del vrf v$h1 2001:1:2::/64 via 2001:1:1::1
simple_if_fini $h1 2001:1:1::2/64
}
router_create()
{
vrf_create router
__simple_if_init $rtr1 router 2001:1:1::1/64
__simple_if_init $rtr2 router 2001:1:2::1/64
mtu_set $rtr2 1280
}
router_destroy()
{
mtu_restore $rtr2
__simple_if_fini $rtr2 2001:1:2::1/64
__simple_if_fini $rtr1 2001:1:1::1/64
vrf_destroy router
}
h2_create()
{
simple_if_init $h2 2001:1:2::2/64
ip -6 route add vrf v$h2 2001:1:1::/64 via 2001:1:2::1
mtu_set $h2 1280
}
h2_destroy()
{
mtu_restore $h2
ip -6 route del vrf v$h2 2001:1:1::/64 via 2001:1:2::1
simple_if_fini $h2 2001:1:2::2/64
}
setup_prepare()
{
h1=${NETIFS[p1]}
rtr1=${NETIFS[p2]}
rtr2=${NETIFS[p3]}
h2=${NETIFS[p4]}
vrf_prepare
h1_create
router_create
h2_create
forwarding_enable
}
cleanup()
{
pre_cleanup
forwarding_restore
h2_destroy
router_destroy
h1_destroy
vrf_cleanup
}
ipv6_in_too_big_err()
{
RET=0
local t0=$(ipv6_stats_get $rtr1 Ip6InTooBigErrors)
local vrf_name=$(master_name_get $h1)
# Send too big packets
ip vrf exec $vrf_name \
$PING6 -s 1300 2001:1:2::2 -c 1 -w $PING_TIMEOUT &> /dev/null
local t1=$(ipv6_stats_get $rtr1 Ip6InTooBigErrors)
test "$((t1 - t0))" -ne 0
check_err $?
log_test "Ip6InTooBigErrors"
}
ipv6_in_hdr_err()
{
RET=0
local t0=$(ipv6_stats_get $rtr1 Ip6InHdrErrors)
local vrf_name=$(master_name_get $h1)
# Send packets with hop limit 1, easiest with traceroute6 as some ping6
# doesn't allow hop limit to be specified
ip vrf exec $vrf_name \
$TROUTE6 2001:1:2::2 &> /dev/null
local t1=$(ipv6_stats_get $rtr1 Ip6InHdrErrors)
test "$((t1 - t0))" -ne 0
check_err $?
log_test "Ip6InHdrErrors"
}
ipv6_in_addr_err()
{
RET=0
local t0=$(ipv6_stats_get $rtr1 Ip6InAddrErrors)
local vrf_name=$(master_name_get $h1)
# Disable forwarding temporary while sending the packet
sysctl -qw net.ipv6.conf.all.forwarding=0
ip vrf exec $vrf_name \
$PING6 2001:1:2::2 -c 1 -w $PING_TIMEOUT &> /dev/null
sysctl -qw net.ipv6.conf.all.forwarding=1
local t1=$(ipv6_stats_get $rtr1 Ip6InAddrErrors)
test "$((t1 - t0))" -ne 0
check_err $?
log_test "Ip6InAddrErrors"
}
ipv6_in_discard()
{
RET=0
local t0=$(ipv6_stats_get $rtr1 Ip6InDiscards)
local vrf_name=$(master_name_get $h1)
# Add a policy to discard
ip xfrm policy add dst 2001:1:2::2/128 dir fwd action block
ip vrf exec $vrf_name \
$PING6 2001:1:2::2 -c 1 -w $PING_TIMEOUT &> /dev/null
ip xfrm policy del dst 2001:1:2::2/128 dir fwd
local t1=$(ipv6_stats_get $rtr1 Ip6InDiscards)
test "$((t1 - t0))" -ne 0
check_err $?
log_test "Ip6InDiscards"
}
ipv6_ping()
{
RET=0
ping6_test $h1 2001:1:2::2
}
trap cleanup EXIT
setup_prepare
setup_wait
tests_run
exit $EXIT_STATUS
|
