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Add an ATF test for IPv6 SLAAC with multiple fibs

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Tests that an interface can get a SLAAC address and that it inserts its
routes into the correct fib. Does not test anything to do with NDP.

PR:		196361
Reviewed by:	Erick Turnquist <jhujhiti@adjectivism.org>
MFC after:	3 weeks
Sponsored by:	Spectra Logic Corp
Differential Revision:	https://reviews.freebsd.org/D9776
This commit is contained in:
Alan Somers 2017-03-01 00:28:04 +00:00
parent 5914c62e1f
commit 4b6c378be3
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=314442
1 changed files with 84 additions and 0 deletions
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84
tests/sys/netinet/fibs_test.sh
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@ -443,6 +443,89 @@ same_ip_multiple_ifaces_inet6_cleanup()
cleanup_ifaces
}
atf_test_case slaac_on_nondefault_fib6 cleanup
slaac_on_nondefault_fib6_head()
{
atf_set "descr" "SLAAC correctly installs routes on non-default FIBs"
atf_set "require.user" "root"
atf_set "require.config" "fibs" "allow_sysctl_side_effects"
}
slaac_on_nondefault_fib6_body()
{
# Configure the epair interfaces to use nonrouteable RFC3849
# addresses and non-default FIBs
ADDR="2001:db8::2"
GATEWAY="2001:db8::1"
SUBNET="2001:db8:"
MASK="64"
atf_expect_fail "PR196361 IPv6 network routes don't respect net.add_addr_allfibs=0"
# Check system configuration
if [ 0 != `sysctl -n net.add_addr_allfibs` ]; then
atf_skip "This test requires net.add_addr_allfibs=0"
fi
get_fibs 2
sysctl -n "net.inet6.ip6.rfc6204w3" >> "rfc6204w3.state"
sysctl -n "net.inet6.ip6.forwarding" >> "forwarding.state"
# Enable forwarding so the kernel will send RAs
sysctl net.inet6.ip6.forwarding=1
# Enable RFC6204W3 mode so the kernel will enable default router
# selection while also forwarding packets
sysctl net.inet6.ip6.rfc6204w3=1
# Configure epair interfaces
get_epair
setup_iface "$EPAIRA" "$FIB0" inet6 ${ADDR} ${MASK}
echo ifconfig "$EPAIRB" up inet6 fib $FIB1 -ifdisabled accept_rtadv
ifconfig "$EPAIRB" inet6 -ifdisabled accept_rtadv fib $FIB1 up
rtadvd -p rtadvd.pid -C rtadvd.sock -c /dev/null "$EPAIRA"
rtsol "$EPAIRB"
# Check SLAAC address
atf_check -o match:"inet6 ${SUBNET}.*prefixlen ${MASK}.*autoconf" \
ifconfig "$EPAIRB"
# Check local route
atf_check -o match:"${SUBNET}.*\<UHS\>.*lo0" \
netstat -rnf inet6 -F $FIB1
# Check subnet route
atf_check -o match:"${SUBNET}:/${MASK}.*\<U\>.*$EPAIRB" \
netstat -rnf inet6 -F $FIB1
# Check default route
atf_check -o match:"default.*\<UG\>.*$EPAIRB" \
netstat -rnf inet6 -F $FIB1
# Check that none of the above routes appeared on other routes
for fib in $( seq 0 $(($(sysctl -n net.fibs) - 1))); do
if [ "$fib" = "$FIB1" -o "$fib" = "$FIB0" ]; then
continue
fi
atf_check -o not-match:"${SUBNET}.*\<UHS\>.*lo0" \
netstat -rnf inet6 -F $fib
atf_check -o not-match:"${SUBNET}:/${MASK}.*\<U\>.*$EPAIRB" \
netstat -rnf inet6 -F $fib
atf_check -o not-match:"default.*\<UG\>.*$EPAIRB" \
netstat -rnf inet6 -F $fib
done
}
slaac_on_nondefault_fib6_cleanup()
{
cleanup_ifaces
if [ -f "rtadvd.pid" ]; then
pkill -F rtadvd.pid
rm rtadvd.pid
fi
if [ -f "rfc6204w3.state" ] ; then
sysctl "net.inet6.ip6.rfc6204w3"=`cat "rfc6204w3.state"`
rm "rfc6204w3.state"
fi
if [ -f "forwarding.state" ] ; then
sysctl "net.inet6.ip6.forwarding"=`cat "forwarding.state"`
rm "forwarding.state"
fi
}
# Regression test for kern/187550
atf_test_case subnet_route_with_multiple_fibs_on_same_subnet cleanup
subnet_route_with_multiple_fibs_on_same_subnet_head()
@ -648,6 +731,7 @@ atf_init_test_cases()
atf_add_test_case same_ip_multiple_ifaces_fib0
atf_add_test_case same_ip_multiple_ifaces
atf_add_test_case same_ip_multiple_ifaces_inet6
atf_add_test_case slaac_on_nondefault_fib6
atf_add_test_case subnet_route_with_multiple_fibs_on_same_subnet
atf_add_test_case subnet_route_with_multiple_fibs_on_same_subnet_inet6
atf_add_test_case udp_dontroute