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selftests: net: add fdb nexthop tests
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This commit adds ipv4 and ipv6 fdb nexthop api tests to fib_nexthops.sh.

Signed-off-by: Roopa Prabhu <roopa@cumulusnetworks.com>
Reviewed-by: David Ahern <dsahern@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Roopa Prabhu authored and David S. Miller committed May 22, 2020
1 parent c7cdbe2 commit 0534c54
Showing 1 changed file with 158 additions and 2 deletions.
160 changes: 158 additions & 2 deletions tools/testing/selftests/net/fib_nexthops.sh
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Original file line number Diff line number Diff line change
Expand Up @@ -19,8 +19,8 @@ ret=0
ksft_skip=4

# all tests in this script. Can be overridden with -t option
IPV4_TESTS="ipv4_fcnal ipv4_grp_fcnal ipv4_withv6_fcnal ipv4_fcnal_runtime ipv4_compat_mode"
IPV6_TESTS="ipv6_fcnal ipv6_grp_fcnal ipv6_fcnal_runtime ipv6_compat_mode"
IPV4_TESTS="ipv4_fcnal ipv4_grp_fcnal ipv4_withv6_fcnal ipv4_fcnal_runtime ipv4_compat_mode ipv4_fdb_grp_fcnal"
IPV6_TESTS="ipv6_fcnal ipv6_grp_fcnal ipv6_fcnal_runtime ipv6_compat_mode ipv6_fdb_grp_fcnal"

ALL_TESTS="basic ${IPV4_TESTS} ${IPV6_TESTS}"
TESTS="${ALL_TESTS}"
Expand Down Expand Up @@ -146,6 +146,7 @@ setup()
create_ns remote

IP="ip -netns me"
BRIDGE="bridge -netns me"
set -e
$IP li add veth1 type veth peer name veth2
$IP li set veth1 up
Expand Down Expand Up @@ -280,6 +281,161 @@ stop_ip_monitor()
return $rc
}

check_nexthop_fdb_support()
{
$IP nexthop help 2>&1 | grep -q fdb
if [ $? -ne 0 ]; then
echo "SKIP: iproute2 too old, missing fdb nexthop support"
return $ksft_skip
fi
}

ipv6_fdb_grp_fcnal()
{
local rc

echo
echo "IPv6 fdb groups functional"
echo "--------------------------"

check_nexthop_fdb_support
if [ $? -eq $ksft_skip ]; then
return $ksft_skip
fi

# create group with multiple nexthops
run_cmd "$IP nexthop add id 61 via 2001:db8:91::2 fdb"
run_cmd "$IP nexthop add id 62 via 2001:db8:91::3 fdb"
run_cmd "$IP nexthop add id 102 group 61/62 fdb"
check_nexthop "id 102" "id 102 group 61/62 fdb"
log_test $? 0 "Fdb Nexthop group with multiple nexthops"

## get nexthop group
run_cmd "$IP nexthop get id 102"
check_nexthop "id 102" "id 102 group 61/62 fdb"
log_test $? 0 "Get Fdb nexthop group by id"

# fdb nexthop group can only contain fdb nexthops
run_cmd "$IP nexthop add id 63 via 2001:db8:91::4"
run_cmd "$IP nexthop add id 64 via 2001:db8:91::5"
run_cmd "$IP nexthop add id 103 group 63/64 fdb"
log_test $? 2 "Fdb Nexthop group with non-fdb nexthops"

# Non fdb nexthop group can not contain fdb nexthops
run_cmd "$IP nexthop add id 65 via 2001:db8:91::5 fdb"
run_cmd "$IP nexthop add id 66 via 2001:db8:91::6 fdb"
run_cmd "$IP nexthop add id 104 group 65/66"
log_test $? 2 "Non-Fdb Nexthop group with fdb nexthops"

# fdb nexthop cannot have blackhole
run_cmd "$IP nexthop add id 67 blackhole fdb"
log_test $? 2 "Fdb Nexthop with blackhole"

# fdb nexthop with oif
run_cmd "$IP nexthop add id 68 via 2001:db8:91::7 dev veth1 fdb"
log_test $? 2 "Fdb Nexthop with oif"

# fdb nexthop with onlink
run_cmd "$IP nexthop add id 68 via 2001:db8:91::7 onlink fdb"
log_test $? 2 "Fdb Nexthop with onlink"

# fdb nexthop with encap
run_cmd "$IP nexthop add id 69 encap mpls 101 via 2001:db8:91::8 dev veth1 fdb"
log_test $? 2 "Fdb Nexthop with encap"

run_cmd "$IP link add name vx10 type vxlan id 1010 local 2001:db8:91::9 remote 2001:db8:91::10 dstport 4789 nolearning noudpcsum tos inherit ttl 100"
run_cmd "$BRIDGE fdb add 02:02:00:00:00:13 dev vx10 nhid 102 self"
log_test $? 0 "Fdb mac add with nexthop group"

## fdb nexthops can only reference nexthop groups and not nexthops
run_cmd "$BRIDGE fdb add 02:02:00:00:00:14 dev vx10 nhid 61 self"
log_test $? 255 "Fdb mac add with nexthop"

run_cmd "$IP -6 ro add 2001:db8:101::1/128 nhid 66"
log_test $? 2 "Route add with fdb nexthop"

run_cmd "$IP -6 ro add 2001:db8:101::1/128 nhid 103"
log_test $? 2 "Route add with fdb nexthop group"

run_cmd "$IP nexthop del id 102"
log_test $? 0 "Fdb nexthop delete"

$IP link del dev vx10
}

ipv4_fdb_grp_fcnal()
{
local rc

echo
echo "IPv4 fdb groups functional"
echo "--------------------------"

check_nexthop_fdb_support
if [ $? -eq $ksft_skip ]; then
return $ksft_skip
fi

# create group with multiple nexthops
run_cmd "$IP nexthop add id 12 via 172.16.1.2 fdb"
run_cmd "$IP nexthop add id 13 via 172.16.1.3 fdb"
run_cmd "$IP nexthop add id 102 group 12/13 fdb"
check_nexthop "id 102" "id 102 group 12/13 fdb"
log_test $? 0 "Fdb Nexthop group with multiple nexthops"

# get nexthop group
run_cmd "$IP nexthop get id 102"
check_nexthop "id 102" "id 102 group 12/13 fdb"
log_test $? 0 "Get Fdb nexthop group by id"

# fdb nexthop group can only contain fdb nexthops
run_cmd "$IP nexthop add id 14 via 172.16.1.2"
run_cmd "$IP nexthop add id 15 via 172.16.1.3"
run_cmd "$IP nexthop add id 103 group 14/15 fdb"
log_test $? 2 "Fdb Nexthop group with non-fdb nexthops"

# Non fdb nexthop group can not contain fdb nexthops
run_cmd "$IP nexthop add id 16 via 172.16.1.2 fdb"
run_cmd "$IP nexthop add id 17 via 172.16.1.3 fdb"
run_cmd "$IP nexthop add id 104 group 14/15"
log_test $? 2 "Non-Fdb Nexthop group with fdb nexthops"

# fdb nexthop cannot have blackhole
run_cmd "$IP nexthop add id 18 blackhole fdb"
log_test $? 2 "Fdb Nexthop with blackhole"

# fdb nexthop with oif
run_cmd "$IP nexthop add id 16 via 172.16.1.2 dev veth1 fdb"
log_test $? 2 "Fdb Nexthop with oif"

# fdb nexthop with onlink
run_cmd "$IP nexthop add id 16 via 172.16.1.2 onlink fdb"
log_test $? 2 "Fdb Nexthop with onlink"

# fdb nexthop with encap
run_cmd "$IP nexthop add id 17 encap mpls 101 via 172.16.1.2 dev veth1 fdb"
log_test $? 2 "Fdb Nexthop with encap"

run_cmd "$IP link add name vx10 type vxlan id 1010 local 10.0.0.1 remote 10.0.0.2 dstport 4789 nolearning noudpcsum tos inherit ttl 100"
run_cmd "$BRIDGE fdb add 02:02:00:00:00:13 dev vx10 nhid 102 self"
log_test $? 0 "Fdb mac add with nexthop group"

# fdb nexthops can only reference nexthop groups and not nexthops
run_cmd "$BRIDGE fdb add 02:02:00:00:00:14 dev vx10 nhid 12 self"
log_test $? 255 "Fdb mac add with nexthop"

run_cmd "$IP ro add 172.16.0.0/22 nhid 15"
log_test $? 2 "Route add with fdb nexthop"

run_cmd "$IP ro add 172.16.0.0/22 nhid 103"
log_test $? 2 "Route add with fdb nexthop group"

run_cmd "$IP nexthop del id 102"
log_test $? 0 "Fdb nexthop delete"

$IP link del dev vx10
}

################################################################################
# basic operations (add, delete, replace) on nexthops and nexthop groups
#
Expand Down

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