Commit 6345266a authored by David Ahern's avatar David Ahern Committed by David S. Miller

selftests: Add test cases for nexthop objects

Add functional test cases for nexthop objects.
Signed-off-by: default avatarDavid Ahern <dsahern@gmail.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent c1e9e01d
#!/bin/bash
# SPDX-License-Identifier: GPL-2.0
#
# ns: me | ns: peer | ns: remote
# 2001:db8:91::1 | 2001:db8:91::2 |
# 172.16.1.1 | 172.16.1.2 |
# veth1 <---|---> veth2 |
# | veth5 <--|--> veth6 172.16.101.1
# veth3 <---|---> veth4 | 2001:db8:101::1
# 172.16.2.1 | 172.16.2.2 |
# 2001:db8:92::1 | 2001:db8:92::2 |
#
# This test is for checking IPv4 and IPv6 FIB behavior with nexthop
# objects. Device reference counts and network namespace cleanup tested
# by use of network namespace for peer.
ret=0
# Kselftest framework requirement - SKIP code is 4.
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"
IPV6_TESTS="ipv6_fcnal ipv6_grp_fcnal ipv6_fcnal_runtime"
ALL_TESTS="basic ${IPV4_TESTS} ${IPV6_TESTS}"
TESTS="${ALL_TESTS}"
VERBOSE=0
PAUSE_ON_FAIL=no
PAUSE=no
nsid=100
################################################################################
# utilities
log_test()
{
local rc=$1
local expected=$2
local msg="$3"
if [ ${rc} -eq ${expected} ]; then
printf "TEST: %-60s [ OK ]\n" "${msg}"
nsuccess=$((nsuccess+1))
else
ret=1
nfail=$((nfail+1))
printf "TEST: %-60s [FAIL]\n" "${msg}"
if [ "$VERBOSE" = "1" ]; then
echo " rc=$rc, expected $expected"
fi
if [ "${PAUSE_ON_FAIL}" = "yes" ]; then
echo
echo "hit enter to continue, 'q' to quit"
read a
[ "$a" = "q" ] && exit 1
fi
fi
if [ "${PAUSE}" = "yes" ]; then
echo
echo "hit enter to continue, 'q' to quit"
read a
[ "$a" = "q" ] && exit 1
fi
[ "$VERBOSE" = "1" ] && echo
}
run_cmd()
{
local cmd="$1"
local out
local stderr="2>/dev/null"
if [ "$VERBOSE" = "1" ]; then
printf "COMMAND: $cmd\n"
stderr=
fi
out=$(eval $cmd $stderr)
rc=$?
if [ "$VERBOSE" = "1" -a -n "$out" ]; then
echo " $out"
fi
return $rc
}
get_linklocal()
{
local dev=$1
local ns
local addr
[ -n "$2" ] && ns="-netns $2"
addr=$(ip $ns -6 -br addr show dev ${dev} | \
awk '{
for (i = 3; i <= NF; ++i) {
if ($i ~ /^fe80/)
print $i
}
}'
)
addr=${addr/\/*}
[ -z "$addr" ] && return 1
echo $addr
return 0
}
create_ns()
{
local n=${1}
ip netns del ${n} 2>/dev/null
set -e
ip netns add ${n}
ip netns set ${n} $((nsid++))
ip -netns ${n} addr add 127.0.0.1/8 dev lo
ip -netns ${n} link set lo up
ip netns exec ${n} sysctl -qw net.ipv4.ip_forward=1
ip netns exec ${n} sysctl -qw net.ipv4.fib_multipath_use_neigh=1
ip netns exec ${n} sysctl -qw net.ipv4.conf.default.ignore_routes_with_linkdown=1
ip netns exec ${n} sysctl -qw net.ipv6.conf.all.keep_addr_on_down=1
ip netns exec ${n} sysctl -qw net.ipv6.conf.all.forwarding=1
ip netns exec ${n} sysctl -qw net.ipv6.conf.default.forwarding=1
ip netns exec ${n} sysctl -qw net.ipv6.conf.default.ignore_routes_with_linkdown=1
ip netns exec ${n} sysctl -qw net.ipv6.conf.all.accept_dad=0
ip netns exec ${n} sysctl -qw net.ipv6.conf.default.accept_dad=0
set +e
}
setup()
{
cleanup
create_ns me
create_ns peer
create_ns remote
IP="ip -netns me"
set -e
$IP li add veth1 type veth peer name veth2
$IP li set veth1 up
$IP addr add 172.16.1.1/24 dev veth1
$IP -6 addr add 2001:db8:91::1/64 dev veth1
$IP li add veth3 type veth peer name veth4
$IP li set veth3 up
$IP addr add 172.16.2.1/24 dev veth3
$IP -6 addr add 2001:db8:92::1/64 dev veth3
$IP li set veth2 netns peer up
ip -netns peer addr add 172.16.1.2/24 dev veth2
ip -netns peer -6 addr add 2001:db8:91::2/64 dev veth2
$IP li set veth4 netns peer up
ip -netns peer addr add 172.16.2.2/24 dev veth4
ip -netns peer -6 addr add 2001:db8:92::2/64 dev veth4
ip -netns remote li add veth5 type veth peer name veth6
ip -netns remote li set veth5 up
ip -netns remote addr add dev veth5 172.16.101.1/24
ip -netns remote addr add dev veth5 2001:db8:101::1/64
ip -netns remote ro add 172.16.0.0/22 via 172.16.101.2
ip -netns remote -6 ro add 2001:db8:90::/40 via 2001:db8:101::2
ip -netns remote li set veth6 netns peer up
ip -netns peer addr add dev veth6 172.16.101.2/24
ip -netns peer addr add dev veth6 2001:db8:101::2/64
set +e
}
cleanup()
{
local ns
for ns in me peer remote; do
ip netns del ${ns} 2>/dev/null
done
}
check_output()
{
local out="$1"
local expected="$2"
local rc=0
[ "${out}" = "${expected}" ] && return 0
if [ -z "${out}" ]; then
if [ "$VERBOSE" = "1" ]; then
printf "\nNo entry found\n"
printf "Expected:\n"
printf " ${expected}\n"
fi
return 1
fi
out=$(echo ${out})
if [ "${out}" != "${expected}" ]; then
rc=1
if [ "${VERBOSE}" = "1" ]; then
printf " Unexpected entry. Have:\n"
printf " ${out}\n"
printf " Expected:\n"
printf " ${expected}\n\n"
fi
fi
return $rc
}
check_nexthop()
{
local nharg="$1"
local expected="$2"
local out
out=$($IP nexthop ls ${nharg} 2>/dev/null)
check_output "${out}" "${expected}"
}
check_route()
{
local pfx="$1"
local expected="$2"
local out
out=$($IP route ls match ${pfx} 2>/dev/null)
check_output "${out}" "${expected}"
}
check_route6()
{
local pfx="$1"
local expected="$2"
local out
out=$($IP -6 route ls match ${pfx} 2>/dev/null)
check_output "${out}" "${expected}"
}
################################################################################
# basic operations (add, delete, replace) on nexthops and nexthop groups
#
# IPv6
ipv6_fcnal()
{
local rc
echo
echo "IPv6"
echo "----------------------"
run_cmd "$IP nexthop add id 52 via 2001:db8:91::2 dev veth1"
rc=$?
log_test $rc 0 "Create nexthop with id, gw, dev"
if [ $rc -ne 0 ]; then
echo "Basic IPv6 create fails; can not continue"
return 1
fi
run_cmd "$IP nexthop get id 52"
log_test $? 0 "Get nexthop by id"
check_nexthop "id 52" "id 52 via 2001:db8:91::2 dev veth1"
run_cmd "$IP nexthop del id 52"
log_test $? 0 "Delete nexthop by id"
check_nexthop "id 52" ""
#
# gw, device spec
#
# gw validation, no device - fails since dev required
run_cmd "$IP nexthop add id 52 via 2001:db8:92::3"
log_test $? 2 "Create nexthop - gw only"
# gw is not reachable throught given dev
run_cmd "$IP nexthop add id 53 via 2001:db8:3::3 dev veth1"
log_test $? 2 "Create nexthop - invalid gw+dev combination"
# onlink arg overrides gw+dev lookup
run_cmd "$IP nexthop add id 53 via 2001:db8:3::3 dev veth1 onlink"
log_test $? 0 "Create nexthop - gw+dev and onlink"
# admin down should delete nexthops
set -e
run_cmd "$IP -6 nexthop add id 55 via 2001:db8:91::3 dev veth1"
run_cmd "$IP nexthop add id 56 via 2001:db8:91::4 dev veth1"
run_cmd "$IP nexthop add id 57 via 2001:db8:91::5 dev veth1"
run_cmd "$IP li set dev veth1 down"
set +e
check_nexthop "dev veth1" ""
log_test $? 0 "Nexthops removed on admin down"
}
ipv6_grp_fcnal()
{
local rc
echo
echo "IPv6 groups functional"
echo "----------------------"
# basic functionality: create a nexthop group, default weight
run_cmd "$IP nexthop add id 61 via 2001:db8:91::2 dev veth1"
run_cmd "$IP nexthop add id 101 group 61"
log_test $? 0 "Create nexthop group with single nexthop"
# get nexthop group
run_cmd "$IP nexthop get id 101"
log_test $? 0 "Get nexthop group by id"
check_nexthop "id 101" "id 101 group 61"
# delete nexthop group
run_cmd "$IP nexthop del id 101"
log_test $? 0 "Delete nexthop group by id"
check_nexthop "id 101" ""
$IP nexthop flush >/dev/null 2>&1
check_nexthop "id 101" ""
#
# create group with multiple nexthops - mix of gw and dev only
#
run_cmd "$IP nexthop add id 62 via 2001:db8:91::2 dev veth1"
run_cmd "$IP nexthop add id 63 via 2001:db8:91::3 dev veth1"
run_cmd "$IP nexthop add id 64 via 2001:db8:91::4 dev veth1"
run_cmd "$IP nexthop add id 65 dev veth1"
run_cmd "$IP nexthop add id 102 group 62/63/64/65"
log_test $? 0 "Nexthop group with multiple nexthops"
check_nexthop "id 102" "id 102 group 62/63/64/65"
# Delete nexthop in a group and group is updated
run_cmd "$IP nexthop del id 63"
check_nexthop "id 102" "id 102 group 62/64/65"
log_test $? 0 "Nexthop group updated when entry is deleted"
# create group with multiple weighted nexthops
run_cmd "$IP nexthop add id 63 via 2001:db8:91::3 dev veth1"
run_cmd "$IP nexthop add id 103 group 62/63,2/64,3/65,4"
log_test $? 0 "Nexthop group with weighted nexthops"
check_nexthop "id 103" "id 103 group 62/63,2/64,3/65,4"
# Delete nexthop in a weighted group and group is updated
run_cmd "$IP nexthop del id 63"
check_nexthop "id 103" "id 103 group 62/64,3/65,4"
log_test $? 0 "Weighted nexthop group updated when entry is deleted"
# admin down - nexthop is removed from group
run_cmd "$IP li set dev veth1 down"
check_nexthop "dev veth1" ""
log_test $? 0 "Nexthops in groups removed on admin down"
# expect groups to have been deleted as well
check_nexthop "" ""
run_cmd "$IP li set dev veth1 up"
$IP nexthop flush >/dev/null 2>&1
# group with nexthops using different devices
set -e
run_cmd "$IP nexthop add id 62 via 2001:db8:91::2 dev veth1"
run_cmd "$IP nexthop add id 63 via 2001:db8:91::3 dev veth1"
run_cmd "$IP nexthop add id 64 via 2001:db8:91::4 dev veth1"
run_cmd "$IP nexthop add id 65 via 2001:db8:91::5 dev veth1"
run_cmd "$IP nexthop add id 72 via 2001:db8:92::2 dev veth3"
run_cmd "$IP nexthop add id 73 via 2001:db8:92::3 dev veth3"
run_cmd "$IP nexthop add id 74 via 2001:db8:92::4 dev veth3"
run_cmd "$IP nexthop add id 75 via 2001:db8:92::5 dev veth3"
set +e
# multiple groups with same nexthop
run_cmd "$IP nexthop add id 104 group 62"
run_cmd "$IP nexthop add id 105 group 62"
check_nexthop "group" "id 104 group 62 id 105 group 62"
log_test $? 0 "Multiple groups with same nexthop"
run_cmd "$IP nexthop flush groups"
[ $? -ne 0 ] && return 1
# on admin down of veth1, it should be removed from the group
run_cmd "$IP nexthop add id 105 group 62/63/72/73/64"
run_cmd "$IP li set veth1 down"
check_nexthop "id 105" "id 105 group 72/73"
log_test $? 0 "Nexthops in group removed on admin down - mixed group"
run_cmd "$IP nexthop add id 106 group 105/74"
log_test $? 2 "Nexthop group can not have a group as an entry"
# a group can have a blackhole entry only if it is the only
# nexthop in the group. Needed for atomic replace with an
# actual nexthop group
run_cmd "$IP -6 nexthop add id 31 blackhole"
run_cmd "$IP nexthop add id 107 group 31"
log_test $? 0 "Nexthop group with a blackhole entry"
run_cmd "$IP nexthop add id 108 group 31/24"
log_test $? 2 "Nexthop group can not have a blackhole and another nexthop"
}
ipv6_fcnal_runtime()
{
local rc
echo
echo "IPv6 functional runtime"
echo "-----------------------"
sleep 5
#
# IPv6 - the basics
#
run_cmd "$IP nexthop add id 81 via 2001:db8:91::2 dev veth1"
run_cmd "$IP ro add 2001:db8:101::1/128 nhid 81"
log_test $? 0 "Route add"
run_cmd "$IP ro delete 2001:db8:101::1/128 nhid 81"
log_test $? 0 "Route delete"
run_cmd "$IP ro add 2001:db8:101::1/128 nhid 81"
run_cmd "ip netns exec me ping -c1 -w1 2001:db8:101::1"
log_test $? 0 "Ping with nexthop"
run_cmd "$IP nexthop add id 82 via 2001:db8:92::2 dev veth3"
run_cmd "$IP nexthop add id 122 group 81/82"
run_cmd "$IP ro replace 2001:db8:101::1/128 nhid 122"
run_cmd "ip netns exec me ping -c1 -w1 2001:db8:101::1"
log_test $? 0 "Ping - multipath"
#
# IPv6 with blackhole nexthops
#
run_cmd "$IP -6 nexthop add id 83 blackhole"
run_cmd "$IP ro replace 2001:db8:101::1/128 nhid 83"
run_cmd "ip netns exec me ping -c1 -w1 2001:db8:101::1"
log_test $? 2 "Ping - blackhole"
run_cmd "$IP nexthop replace id 83 via 2001:db8:91::2 dev veth1"
run_cmd "ip netns exec me ping -c1 -w1 2001:db8:101::1"
log_test $? 0 "Ping - blackhole replaced with gateway"
run_cmd "$IP -6 nexthop replace id 83 blackhole"
run_cmd "ip netns exec me ping -c1 -w1 2001:db8:101::1"
log_test $? 2 "Ping - gateway replaced by blackhole"
run_cmd "$IP ro replace 2001:db8:101::1/128 nhid 122"
run_cmd "ip netns exec me ping -c1 -w1 2001:db8:101::1"
if [ $? -eq 0 ]; then
run_cmd "$IP nexthop replace id 122 group 83"
run_cmd "ip netns exec me ping -c1 -w1 2001:db8:101::1"
log_test $? 2 "Ping - group with blackhole"
run_cmd "$IP nexthop replace id 122 group 81/82"
run_cmd "ip netns exec me ping -c1 -w1 2001:db8:101::1"
log_test $? 0 "Ping - group blackhole replaced with gateways"
else
log_test 2 0 "Ping - multipath failed"
fi
#
# device only and gw + dev only mix
#
run_cmd "$IP -6 nexthop add id 85 dev veth1"
run_cmd "$IP ro replace 2001:db8:101::1/128 nhid 85"
log_test $? 0 "IPv6 route with device only nexthop"
check_route6 "2001:db8:101::1" "2001:db8:101::1 nhid 85 dev veth1"
run_cmd "$IP nexthop add id 123 group 81/85"
run_cmd "$IP ro replace 2001:db8:101::1/128 nhid 123"
log_test $? 0 "IPv6 multipath route with nexthop mix - dev only + gw"
check_route6 "2001:db8:101::1" "2001:db8:101::1 nhid 85 nexthop via 2001:db8:91::2 dev veth1 nexthop dev veth1"
#
# IPv6 route with v4 nexthop - not allowed
#
run_cmd "$IP ro delete 2001:db8:101::1/128"
run_cmd "$IP nexthop add id 84 via 172.16.1.1 dev veth1"
run_cmd "$IP ro add 2001:db8:101::1/128 nhid 84"
log_test $? 2 "IPv6 route can not have a v4 gateway"
run_cmd "$IP ro replace 2001:db8:101::1/128 nhid 81"
run_cmd "$IP nexthop replace id 81 via 172.16.1.1 dev veth1"
log_test $? 2 "Nexthop replace - v6 route, v4 nexthop"
run_cmd "$IP ro replace 2001:db8:101::1/128 nhid 122"
run_cmd "$IP nexthop replace id 81 via 172.16.1.1 dev veth1"
log_test $? 2 "Nexthop replace of group entry - v6 route, v4 nexthop"
$IP nexthop flush >/dev/null 2>&1
#
# weird IPv6 cases
#
run_cmd "$IP nexthop add id 86 via 2001:db8:91::2 dev veth1"
run_cmd "$IP ro add 2001:db8:101::1/128 nhid 81"
# TO-DO:
# existing route with old nexthop; append route with new nexthop
# existing route with old nexthop; replace route with new
# existing route with new nexthop; replace route with old
# route with src address and using nexthop - not allowed
}
ipv4_fcnal()
{
local rc
echo
echo "IPv4 functional"
echo "----------------------"
#
# basic IPv4 ops - add, get, delete
#
run_cmd "$IP nexthop add id 12 via 172.16.1.2 dev veth1"
rc=$?
log_test $rc 0 "Create nexthop with id, gw, dev"
if [ $rc -ne 0 ]; then
echo "Basic IPv4 create fails; can not continue"
return 1
fi
run_cmd "$IP nexthop get id 12"
log_test $? 0 "Get nexthop by id"
check_nexthop "id 12" "id 12 via 172.16.1.2 src 172.16.1.1 dev veth1 scope link"
run_cmd "$IP nexthop del id 12"
log_test $? 0 "Delete nexthop by id"
check_nexthop "id 52" ""
#
# gw, device spec
#
# gw validation, no device - fails since dev is required
run_cmd "$IP nexthop add id 12 via 172.16.2.3"
log_test $? 2 "Create nexthop - gw only"
# gw not reachable through given dev
run_cmd "$IP nexthop add id 13 via 172.16.3.2 dev veth1"
log_test $? 2 "Create nexthop - invalid gw+dev combination"
# onlink flag overrides gw+dev lookup
run_cmd "$IP nexthop add id 13 via 172.16.3.2 dev veth1 onlink"
log_test $? 0 "Create nexthop - gw+dev and onlink"
# admin down should delete nexthops
set -e
run_cmd "$IP nexthop add id 15 via 172.16.1.3 dev veth1"
run_cmd "$IP nexthop add id 16 via 172.16.1.4 dev veth1"
run_cmd "$IP nexthop add id 17 via 172.16.1.5 dev veth1"
run_cmd "$IP li set dev veth1 down"
set +e
check_nexthop "dev veth1" ""
log_test $? 0 "Nexthops removed on admin down"
}
ipv4_grp_fcnal()
{
local rc
echo
echo "IPv4 groups functional"
echo "----------------------"
# basic functionality: create a nexthop group, default weight
run_cmd "$IP nexthop add id 11 via 172.16.1.2 dev veth1"
run_cmd "$IP nexthop add id 101 group 11"
log_test $? 0 "Create nexthop group with single nexthop"
# get nexthop group
run_cmd "$IP nexthop get id 101"
log_test $? 0 "Get nexthop group by id"
check_nexthop "id 101" "id 101 group 11"
# delete nexthop group
run_cmd "$IP nexthop del id 101"
log_test $? 0 "Delete nexthop group by id"
check_nexthop "id 101" ""
$IP nexthop flush >/dev/null 2>&1
#
# create group with multiple nexthops
run_cmd "$IP nexthop add id 12 via 172.16.1.2 dev veth1"
run_cmd "$IP nexthop add id 13 via 172.16.1.3 dev veth1"
run_cmd "$IP nexthop add id 14 via 172.16.1.4 dev veth1"
run_cmd "$IP nexthop add id 15 via 172.16.1.5 dev veth1"
run_cmd "$IP nexthop add id 102 group 12/13/14/15"
log_test $? 0 "Nexthop group with multiple nexthops"
check_nexthop "id 102" "id 102 group 12/13/14/15"
# Delete nexthop in a group and group is updated
run_cmd "$IP nexthop del id 13"
check_nexthop "id 102" "id 102 group 12/14/15"
log_test $? 0 "Nexthop group updated when entry is deleted"
# create group with multiple weighted nexthops
run_cmd "$IP nexthop add id 13 via 172.16.1.3 dev veth1"
run_cmd "$IP nexthop add id 103 group 12/13,2/14,3/15,4"
log_test $? 0 "Nexthop group with weighted nexthops"
check_nexthop "id 103" "id 103 group 12/13,2/14,3/15,4"
# Delete nexthop in a weighted group and group is updated
run_cmd "$IP nexthop del id 13"
check_nexthop "id 103" "id 103 group 12/14,3/15,4"
log_test $? 0 "Weighted nexthop group updated when entry is deleted"
# admin down - nexthop is removed from group
run_cmd "$IP li set dev veth1 down"
check_nexthop "dev veth1" ""
log_test $? 0 "Nexthops in groups removed on admin down"
# expect groups to have been deleted as well
check_nexthop "" ""
run_cmd "$IP li set dev veth1 up"
$IP nexthop flush >/dev/null 2>&1
# group with nexthops using different devices
set -e
run_cmd "$IP nexthop add id 12 via 172.16.1.2 dev veth1"
run_cmd "$IP nexthop add id 13 via 172.16.1.3 dev veth1"
run_cmd "$IP nexthop add id 14 via 172.16.1.4 dev veth1"
run_cmd "$IP nexthop add id 15 via 172.16.1.5 dev veth1"
run_cmd "$IP nexthop add id 22 via 172.16.2.2 dev veth3"
run_cmd "$IP nexthop add id 23 via 172.16.2.3 dev veth3"
run_cmd "$IP nexthop add id 24 via 172.16.2.4 dev veth3"
run_cmd "$IP nexthop add id 25 via 172.16.2.5 dev veth3"
set +e
# multiple groups with same nexthop
run_cmd "$IP nexthop add id 104 group 12"
run_cmd "$IP nexthop add id 105 group 12"
check_nexthop "group" "id 104 group 12 id 105 group 12"
log_test $? 0 "Multiple groups with same nexthop"
run_cmd "$IP nexthop flush groups"
[ $? -ne 0 ] && return 1
# on admin down of veth1, it should be removed from the group
run_cmd "$IP nexthop add id 105 group 12/13/22/23/14"
run_cmd "$IP li set veth1 down"
check_nexthop "id 105" "id 105 group 22/23"
log_test $? 0 "Nexthops in group removed on admin down - mixed group"
run_cmd "$IP nexthop add id 106 group 105/24"
log_test $? 2 "Nexthop group can not have a group as an entry"
# a group can have a blackhole entry only if it is the only
# nexthop in the group. Needed for atomic replace with an
# actual nexthop group
run_cmd "$IP nexthop add id 31 blackhole"
run_cmd "$IP nexthop add id 107 group 31"
log_test $? 0 "Nexthop group with a blackhole entry"
run_cmd "$IP nexthop add id 108 group 31/24"
log_test $? 2 "Nexthop group can not have a blackhole and another nexthop"
}
ipv4_withv6_fcnal()
{
local lladdr
set -e
lladdr=$(get_linklocal veth2 peer)
run_cmd "$IP nexthop add id 11 via ${lladdr} dev veth1"
set +e
run_cmd "$IP ro add 172.16.101.1/32 nhid 11"
log_test $? 0 "IPv6 nexthop with IPv4 route"
check_route "172.16.101.1" "172.16.101.1 nhid 11 via ${lladdr} dev veth1"
set -e
run_cmd "$IP nexthop add id 12 via 172.16.1.2 dev veth1"
run_cmd "$IP nexthop add id 101 group 11/12"
set +e
run_cmd "$IP ro replace 172.16.101.1/32 nhid 101"
log_test $? 0 "IPv6 nexthop with IPv4 route"
check_route "172.16.101.1" "172.16.101.1 nhid 101 nexthop via ${lladdr} dev veth1 weight 1 nexthop via 172.16.1.2 dev veth1 weight 1"
run_cmd "$IP ro replace 172.16.101.1/32 via inet6 ${lladdr} dev veth1"
log_test $? 0 "IPv4 route with IPv6 gateway"
check_route "172.16.101.1" "172.16.101.1 via ${lladdr} dev veth1"
run_cmd "$IP ro replace 172.16.101.1/32 via inet6 2001:db8:50::1 dev veth1"
log_test $? 2 "IPv4 route with invalid IPv6 gateway"
}
ipv4_fcnal_runtime()
{
local lladdr
local rc
echo
echo "IPv4 functional runtime"
echo "-----------------------"
run_cmd "$IP nexthop add id 21 via 172.16.1.2 dev veth1"
run_cmd "$IP ro add 172.16.101.1/32 nhid 21"
log_test $? 0 "Route add"
check_route "172.16.101.1" "172.16.101.1 nhid 21 via 172.16.1.2 dev veth1"
run_cmd "$IP ro delete 172.16.101.1/32 nhid 21"
log_test $? 0 "Route delete"
#
# scope mismatch
#
run_cmd "$IP nexthop add id 22 via 172.16.1.2 dev veth1"
run_cmd "$IP ro add 172.16.101.1/32 nhid 22 scope host"
log_test $? 2 "Route add - scope conflict with nexthop"
run_cmd "$IP nexthop replace id 22 dev veth3"
run_cmd "$IP ro add 172.16.101.1/32 nhid 22 scope host"
run_cmd "$IP nexthop replace id 22 via 172.16.2.2 dev veth3"
log_test $? 2 "Nexthop replace with invalid scope for existing route"
#
# add route with nexthop and check traffic
#
run_cmd "$IP nexthop replace id 21 via 172.16.1.2 dev veth1"
run_cmd "$IP ro replace 172.16.101.1/32 nhid 21"
run_cmd "ip netns exec me ping -c1 -w1 172.16.101.1"
log_test $? 0 "Basic ping"
run_cmd "$IP nexthop replace id 22 via 172.16.2.2 dev veth3"
run_cmd "$IP nexthop add id 122 group 21/22"
run_cmd "$IP ro replace 172.16.101.1/32 nhid 122"
run_cmd "ip netns exec me ping -c1 -w1 172.16.101.1"
log_test $? 0 "Ping - multipath"
#
# IPv4 with blackhole nexthops
#
run_cmd "$IP nexthop add id 23 blackhole"
run_cmd "$IP ro replace 172.16.101.1/32 nhid 23"
run_cmd "ip netns exec me ping -c1 -w1 172.16.101.1"
log_test $? 2 "Ping - blackhole"
run_cmd "$IP nexthop replace id 23 via 172.16.1.2 dev veth1"
run_cmd "ip netns exec me ping -c1 -w1 172.16.101.1"
log_test $? 0 "Ping - blackhole replaced with gateway"
run_cmd "$IP nexthop replace id 23 blackhole"
run_cmd "ip netns exec me ping -c1 -w1 172.16.101.1"
log_test $? 2 "Ping - gateway replaced by blackhole"
run_cmd "$IP ro replace 172.16.101.1/32 nhid 122"
run_cmd "ip netns exec me ping -c1 -w1 172.16.101.1"
if [ $? -eq 0 ]; then
run_cmd "$IP nexthop replace id 122 group 23"
run_cmd "ip netns exec me ping -c1 -w1 172.16.101.1"
log_test $? 2 "Ping - group with blackhole"
run_cmd "$IP nexthop replace id 122 group 21/22"
run_cmd "ip netns exec me ping -c1 -w1 172.16.101.1"
log_test $? 0 "Ping - group blackhole replaced with gateways"
else
log_test 2 0 "Ping - multipath failed"
fi
#
# device only and gw + dev only mix
#
run_cmd "$IP nexthop add id 85 dev veth1"
run_cmd "$IP ro replace 172.16.101.1/32 nhid 85"
log_test $? 0 "IPv4 route with device only nexthop"
check_route "172.16.101.1" "172.16.101.1 nhid 85 dev veth1"
run_cmd "$IP nexthop add id 122 group 21/85"
run_cmd "$IP ro replace 172.16.101.1/32 nhid 122"
log_test $? 0 "IPv4 multipath route with nexthop mix - dev only + gw"
check_route "172.16.101.1" "172.16.101.1 nhid 85 nexthop via 172.16.1.2 dev veth1 nexthop dev veth1"
#
# IPv4 with IPv6
#
set -e
lladdr=$(get_linklocal veth2 peer)
run_cmd "$IP nexthop add id 24 via ${lladdr} dev veth1"
set +e
run_cmd "$IP ro replace 172.16.101.1/32 nhid 24"
run_cmd "ip netns exec me ping -c1 -w1 172.16.101.1"
log_test $? 0 "IPv6 nexthop with IPv4 route"
$IP neigh sh | grep -q "${lladdr} dev veth1"
if [ $? -eq 1 ]; then
echo " WARNING: Neigh entry missing for ${lladdr}"
$IP neigh sh | grep 'dev veth1'
fi
$IP neigh sh | grep -q "172.16.101.1 dev eth1"
if [ $? -eq 0 ]; then
echo " WARNING: Neigh entry exists for 172.16.101.1"
$IP neigh sh | grep 'dev veth1'
fi
set -e
run_cmd "$IP nexthop add id 25 via 172.16.1.2 dev veth1"
run_cmd "$IP nexthop add id 101 group 24/25"
set +e
run_cmd "$IP ro replace 172.16.101.1/32 nhid 101"
log_test $? 0 "IPv4 route with mixed v4-v6 multipath route"
check_route "172.16.101.1" "172.16.101.1 nhid 101 nexthop via ${lladdr} dev veth1 weight 1 nexthop via 172.16.1.2 dev veth1 weight 1"
run_cmd "ip netns exec me ping -c1 -w1 172.16.101.1"
log_test $? 0 "IPv6 nexthop with IPv4 route"
run_cmd "$IP ro replace 172.16.101.1/32 via inet6 ${lladdr} dev veth1"
run_cmd "ip netns exec me ping -c1 -w1 172.16.101.1"
log_test $? 0 "IPv4 route with IPv6 gateway"
$IP neigh sh | grep -q "${lladdr} dev veth1"
if [ $? -eq 1 ]; then
echo " WARNING: Neigh entry missing for ${lladdr}"
$IP neigh sh | grep 'dev veth1'
fi
$IP neigh sh | grep -q "172.16.101.1 dev eth1"
if [ $? -eq 0 ]; then
echo " WARNING: Neigh entry exists for 172.16.101.1"
$IP neigh sh | grep 'dev veth1'
fi
#
# MPLS as an example of LWT encap
#
run_cmd "$IP nexthop add id 51 encap mpls 101 via 172.16.1.2 dev veth1"
log_test $? 0 "IPv4 route with MPLS encap"
check_nexthop "id 51" "id 51 encap mpls 101 via 172.16.1.2 dev veth1 scope link"
log_test $? 0 "IPv4 route with MPLS encap - check"
run_cmd "$IP nexthop add id 52 encap mpls 102 via inet6 2001:db8:91::2 dev veth1"
log_test $? 0 "IPv4 route with MPLS encap and v6 gateway"
check_nexthop "id 52" "id 52 encap mpls 102 via 2001:db8:91::2 dev veth1 scope link"
log_test $? 0 "IPv4 route with MPLS encap, v6 gw - check"
}
basic()
{
echo
echo "Basic functional tests"
echo "----------------------"
run_cmd "$IP nexthop ls"
log_test $? 0 "List with nothing defined"
run_cmd "$IP nexthop get id 1"
log_test $? 2 "Nexthop get on non-existent id"
# attempt to create nh without a device or gw - fails
run_cmd "$IP nexthop add id 1"
log_test $? 2 "Nexthop with no device or gateway"
# attempt to create nh with down device - fails
$IP li set veth1 down
run_cmd "$IP nexthop add id 1 dev veth1"
log_test $? 2 "Nexthop with down device"
# create nh with linkdown device - fails
$IP li set veth1 up
ip -netns peer li set veth2 down
run_cmd "$IP nexthop add id 1 dev veth1"
log_test $? 2 "Nexthop with device that is linkdown"
ip -netns peer li set veth2 up
# device only
run_cmd "$IP nexthop add id 1 dev veth1"
log_test $? 0 "Nexthop with device only"
# create nh with duplicate id
run_cmd "$IP nexthop add id 1 dev veth3"
log_test $? 2 "Nexthop with duplicate id"
# blackhole nexthop
run_cmd "$IP nexthop add id 2 blackhole"
log_test $? 0 "Blackhole nexthop"
# blackhole nexthop can not have other specs
run_cmd "$IP nexthop replace id 2 blackhole dev veth1"
log_test $? 2 "Blackhole nexthop with other attributes"
#
# groups
#
run_cmd "$IP nexthop add id 101 group 1"
log_test $? 0 "Create group"
run_cmd "$IP nexthop add id 102 group 2"
log_test $? 0 "Create group with blackhole nexthop"
# multipath group can not have a blackhole as 1 path
run_cmd "$IP nexthop add id 103 group 1/2"
log_test $? 2 "Create multipath group where 1 path is a blackhole"
# multipath group can not have a member replaced by a blackhole
run_cmd "$IP nexthop replace id 2 dev veth3"
run_cmd "$IP nexthop replace id 102 group 1/2"
run_cmd "$IP nexthop replace id 2 blackhole"
log_test $? 2 "Multipath group can not have a member replaced by blackhole"
# attempt to create group with non-existent nexthop
run_cmd "$IP nexthop add id 103 group 12"
log_test $? 2 "Create group with non-existent nexthop"
# attempt to create group with same nexthop
run_cmd "$IP nexthop add id 103 group 1/1"
log_test $? 2 "Create group with same nexthop multiple times"
# replace nexthop with a group - fails
run_cmd "$IP nexthop replace id 2 group 1"
log_test $? 2 "Replace nexthop with nexthop group"
# replace nexthop group with a nexthop - fails
run_cmd "$IP nexthop replace id 101 dev veth1"
log_test $? 2 "Replace nexthop group with nexthop"
# nexthop group with other attributes fail
run_cmd "$IP nexthop add id 104 group 1 dev veth1"
log_test $? 2 "Nexthop group and device"
run_cmd "$IP nexthop add id 104 group 1 blackhole"
log_test $? 2 "Nexthop group and blackhole"
$IP nexthop flush >/dev/null 2>&1
}
################################################################################
# usage
usage()
{
cat <<EOF
usage: ${0##*/} OPTS
-t <test> Test(s) to run (default: all)
(options: $ALL_TESTS)
-4 IPv4 tests only
-6 IPv6 tests only
-p Pause on fail
-P Pause after each test before cleanup
-v verbose mode (show commands and output)
Runtime test
-n num Number of nexthops to target
-N Use new style to install routes in DUT
done
EOF
}
################################################################################
# main
while getopts :t:pP46hv o
do
case $o in
t) TESTS=$OPTARG;;
4) TESTS=${IPV4_TESTS};;
6) TESTS=${IPV6_TESTS};;
p) PAUSE_ON_FAIL=yes;;
P) PAUSE=yes;;
v) VERBOSE=$(($VERBOSE + 1));;
h) usage; exit 0;;
*) usage; exit 1;;
esac
done
# make sure we don't pause twice
[ "${PAUSE}" = "yes" ] && PAUSE_ON_FAIL=no
if [ "$(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
ip help 2>&1 | grep -q nexthop
if [ $? -ne 0 ]; then
echo "SKIP: iproute2 too old, missing nexthop command"
exit $ksft_skip
fi
out=$(ip nexthop ls 2>&1 | grep -q "Operation not supported")
if [ $? -eq 0 ]; then
echo "SKIP: kernel lacks nexthop support"
exit $ksft_skip
fi
for t in $TESTS
do
case $t in
none) IP="ip -netns peer"; setup; exit 0;;
*) setup; $t; cleanup;;
esac
done
if [ "$TESTS" != "none" ]; then
printf "\nTests passed: %3d\n" ${nsuccess}
printf "Tests failed: %3d\n" ${nfail}
fi
exit $ret
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