forked from Minki/linux
selftests: Add FIB onlink tests
Add test cases verifying FIB onlink commands work as expected in various conditions - IPv4, IPv6, main table, and VRF. Signed-off-by: David Ahern <dsahern@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
David Ahern
David S. Miller
parent
b95367e3bd
commit
153e1b84f4
375
tools/testing/selftests/net/fib-onlink-tests.sh
Executable file
375
tools/testing/selftests/net/fib-onlink-tests.sh
Executable file
@ -0,0 +1,375 @@
|
||||
#!/bin/bash
|
||||
# SPDX-License-Identifier: GPL-2.0
|
||||
|
||||
# IPv4 and IPv6 onlink tests
|
||||
|
||||
PAUSE_ON_FAIL=${PAUSE_ON_FAIL:=no}
|
||||
|
||||
# Network interfaces
|
||||
# - odd in current namespace; even in peer ns
|
||||
declare -A NETIFS
|
||||
# default VRF
|
||||
NETIFS[p1]=veth1
|
||||
NETIFS[p2]=veth2
|
||||
NETIFS[p3]=veth3
|
||||
NETIFS[p4]=veth4
|
||||
# VRF
|
||||
NETIFS[p5]=veth5
|
||||
NETIFS[p6]=veth6
|
||||
NETIFS[p7]=veth7
|
||||
NETIFS[p8]=veth8
|
||||
|
||||
# /24 network
|
||||
declare -A V4ADDRS
|
||||
V4ADDRS[p1]=169.254.1.1
|
||||
V4ADDRS[p2]=169.254.1.2
|
||||
V4ADDRS[p3]=169.254.3.1
|
||||
V4ADDRS[p4]=169.254.3.2
|
||||
V4ADDRS[p5]=169.254.5.1
|
||||
V4ADDRS[p6]=169.254.5.2
|
||||
V4ADDRS[p7]=169.254.7.1
|
||||
V4ADDRS[p8]=169.254.7.2
|
||||
|
||||
# /64 network
|
||||
declare -A V6ADDRS
|
||||
V6ADDRS[p1]=2001:db8:101::1
|
||||
V6ADDRS[p2]=2001:db8:101::2
|
||||
V6ADDRS[p3]=2001:db8:301::1
|
||||
V6ADDRS[p4]=2001:db8:301::2
|
||||
V6ADDRS[p5]=2001:db8:501::1
|
||||
V6ADDRS[p6]=2001:db8:501::2
|
||||
V6ADDRS[p7]=2001:db8:701::1
|
||||
V6ADDRS[p8]=2001:db8:701::2
|
||||
|
||||
# Test networks:
|
||||
# [1] = default table
|
||||
# [2] = VRF
|
||||
#
|
||||
# /32 host routes
|
||||
declare -A TEST_NET4
|
||||
TEST_NET4[1]=169.254.101
|
||||
TEST_NET4[2]=169.254.102
|
||||
# /128 host routes
|
||||
declare -A TEST_NET6
|
||||
TEST_NET6[1]=2001:db8:101
|
||||
TEST_NET6[2]=2001:db8:102
|
||||
|
||||
# connected gateway
|
||||
CONGW[1]=169.254.1.254
|
||||
CONGW[2]=169.254.5.254
|
||||
|
||||
# recursive gateway
|
||||
RECGW4[1]=169.254.11.254
|
||||
RECGW4[2]=169.254.12.254
|
||||
RECGW6[1]=2001:db8:11::64
|
||||
RECGW6[2]=2001:db8:12::64
|
||||
|
||||
# for v4 mapped to v6
|
||||
declare -A TEST_NET4IN6IN6
|
||||
TEST_NET4IN6[1]=10.1.1.254
|
||||
TEST_NET4IN6[2]=10.2.1.254
|
||||
|
||||
# mcast address
|
||||
MCAST6=ff02::1
|
||||
|
||||
|
||||
PEER_NS=bart
|
||||
PEER_CMD="ip netns exec ${PEER_NS}"
|
||||
VRF=lisa
|
||||
VRF_TABLE=1101
|
||||
PBR_TABLE=101
|
||||
|
||||
################################################################################
|
||||
# utilities
|
||||
|
||||
log_test()
|
||||
{
|
||||
local rc=$1
|
||||
local expected=$2
|
||||
local msg="$3"
|
||||
|
||||
if [ ${rc} -eq ${expected} ]; then
|
||||
nsuccess=$((nsuccess+1))
|
||||
printf "\n TEST: %-50s [ OK ]\n" "${msg}"
|
||||
else
|
||||
nfail=$((nfail+1))
|
||||
printf "\n TEST: %-50s [FAIL]\n" "${msg}"
|
||||
if [ "${PAUSE_ON_FAIL}" = "yes" ]; then
|
||||
echo
|
||||
echo "hit enter to continue, 'q' to quit"
|
||||
read a
|
||||
[ "$a" = "q" ] && exit 1
|
||||
fi
|
||||
fi
|
||||
}
|
||||
|
||||
log_section()
|
||||
{
|
||||
echo
|
||||
echo "######################################################################"
|
||||
echo "TEST SECTION: $*"
|
||||
echo "######################################################################"
|
||||
}
|
||||
|
||||
log_subsection()
|
||||
{
|
||||
echo
|
||||
echo "#########################################"
|
||||
echo "TEST SUBSECTION: $*"
|
||||
}
|
||||
|
||||
run_cmd()
|
||||
{
|
||||
echo
|
||||
echo "COMMAND: $*"
|
||||
eval $*
|
||||
}
|
||||
|
||||
get_linklocal()
|
||||
{
|
||||
local dev=$1
|
||||
local pfx
|
||||
local addr
|
||||
|
||||
addr=$(${pfx} ip -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
|
||||
}
|
||||
|
||||
################################################################################
|
||||
#
|
||||
|
||||
setup()
|
||||
{
|
||||
echo
|
||||
echo "########################################"
|
||||
echo "Configuring interfaces"
|
||||
|
||||
set -e
|
||||
|
||||
# create namespace
|
||||
ip netns add ${PEER_NS}
|
||||
ip -netns ${PEER_NS} li set lo up
|
||||
|
||||
# add vrf table
|
||||
ip li add ${VRF} type vrf table ${VRF_TABLE}
|
||||
ip li set ${VRF} up
|
||||
ip ro add table ${VRF_TABLE} unreachable default
|
||||
ip -6 ro add table ${VRF_TABLE} unreachable default
|
||||
|
||||
# create test interfaces
|
||||
ip li add ${NETIFS[p1]} type veth peer name ${NETIFS[p2]}
|
||||
ip li add ${NETIFS[p3]} type veth peer name ${NETIFS[p4]}
|
||||
ip li add ${NETIFS[p5]} type veth peer name ${NETIFS[p6]}
|
||||
ip li add ${NETIFS[p7]} type veth peer name ${NETIFS[p8]}
|
||||
|
||||
# enslave vrf interfaces
|
||||
for n in 5 7; do
|
||||
ip li set ${NETIFS[p${n}]} vrf ${VRF}
|
||||
done
|
||||
|
||||
# add addresses
|
||||
for n in 1 3 5 7; do
|
||||
ip li set ${NETIFS[p${n}]} up
|
||||
ip addr add ${V4ADDRS[p${n}]}/24 dev ${NETIFS[p${n}]}
|
||||
ip addr add ${V6ADDRS[p${n}]}/64 dev ${NETIFS[p${n}]}
|
||||
done
|
||||
|
||||
# move peer interfaces to namespace and add addresses
|
||||
for n in 2 4 6 8; do
|
||||
ip li set ${NETIFS[p${n}]} netns ${PEER_NS} up
|
||||
ip -netns ${PEER_NS} addr add ${V4ADDRS[p${n}]}/24 dev ${NETIFS[p${n}]}
|
||||
ip -netns ${PEER_NS} addr add ${V6ADDRS[p${n}]}/64 dev ${NETIFS[p${n}]}
|
||||
done
|
||||
|
||||
set +e
|
||||
|
||||
# let DAD complete - assume default of 1 probe
|
||||
sleep 1
|
||||
}
|
||||
|
||||
cleanup()
|
||||
{
|
||||
# make sure we start from a clean slate
|
||||
ip netns del ${PEER_NS} 2>/dev/null
|
||||
for n in 1 3 5 7; do
|
||||
ip link del ${NETIFS[p${n}]} 2>/dev/null
|
||||
done
|
||||
ip link del ${VRF} 2>/dev/null
|
||||
ip ro flush table ${VRF_TABLE}
|
||||
ip -6 ro flush table ${VRF_TABLE}
|
||||
}
|
||||
|
||||
################################################################################
|
||||
# IPv4 tests
|
||||
#
|
||||
|
||||
run_ip()
|
||||
{
|
||||
local table="$1"
|
||||
local prefix="$2"
|
||||
local gw="$3"
|
||||
local dev="$4"
|
||||
local exp_rc="$5"
|
||||
local desc="$6"
|
||||
|
||||
# dev arg may be empty
|
||||
[ -n "${dev}" ] && dev="dev ${dev}"
|
||||
|
||||
run_cmd ip ro add table "${table}" "${prefix}"/32 via "${gw}" "${dev}" onlink
|
||||
log_test $? ${exp_rc} "${desc}"
|
||||
}
|
||||
|
||||
valid_onlink_ipv4()
|
||||
{
|
||||
# - unicast connected, unicast recursive
|
||||
#
|
||||
log_subsection "default VRF - main table"
|
||||
|
||||
run_ip 254 ${TEST_NET4[1]}.1 ${CONGW[1]} ${NETIFS[p1]} 0 "unicast connected"
|
||||
run_ip 254 ${TEST_NET4[1]}.2 ${RECGW4[1]} ${NETIFS[p1]} 0 "unicast recursive"
|
||||
|
||||
log_subsection "VRF ${VRF}"
|
||||
|
||||
run_ip ${VRF_TABLE} ${TEST_NET4[2]}.1 ${CONGW[2]} ${NETIFS[p5]} 0 "unicast connected"
|
||||
run_ip ${VRF_TABLE} ${TEST_NET4[2]}.2 ${RECGW4[2]} ${NETIFS[p5]} 0 "unicast recursive"
|
||||
|
||||
log_subsection "VRF device, PBR table"
|
||||
|
||||
run_ip ${PBR_TABLE} ${TEST_NET4[2]}.3 ${CONGW[2]} ${NETIFS[p5]} 0 "unicast connected"
|
||||
run_ip ${PBR_TABLE} ${TEST_NET4[2]}.4 ${RECGW4[2]} ${NETIFS[p5]} 0 "unicast recursive"
|
||||
}
|
||||
|
||||
invalid_onlink_ipv4()
|
||||
{
|
||||
run_ip 254 ${TEST_NET4[1]}.11 ${V4ADDRS[p1]} ${NETIFS[p1]} 2 \
|
||||
"Invalid gw - local unicast address"
|
||||
|
||||
run_ip ${VRF_TABLE} ${TEST_NET4[2]}.11 ${V4ADDRS[p5]} ${NETIFS[p5]} 2 \
|
||||
"Invalid gw - local unicast address, VRF"
|
||||
|
||||
run_ip 254 ${TEST_NET4[1]}.101 ${V4ADDRS[p1]} "" 2 "No nexthop device given"
|
||||
|
||||
run_ip 254 ${TEST_NET4[1]}.102 ${V4ADDRS[p3]} ${NETIFS[p1]} 2 \
|
||||
"Gateway resolves to wrong nexthop device"
|
||||
|
||||
run_ip ${VRF_TABLE} ${TEST_NET4[2]}.103 ${V4ADDRS[p7]} ${NETIFS[p5]} 2 \
|
||||
"Gateway resolves to wrong nexthop device - VRF"
|
||||
}
|
||||
|
||||
################################################################################
|
||||
# IPv6 tests
|
||||
#
|
||||
|
||||
run_ip6()
|
||||
{
|
||||
local table="$1"
|
||||
local prefix="$2"
|
||||
local gw="$3"
|
||||
local dev="$4"
|
||||
local exp_rc="$5"
|
||||
local desc="$6"
|
||||
|
||||
# dev arg may be empty
|
||||
[ -n "${dev}" ] && dev="dev ${dev}"
|
||||
|
||||
run_cmd ip -6 ro add table "${table}" "${prefix}"/128 via "${gw}" "${dev}" onlink
|
||||
log_test $? ${exp_rc} "${desc}"
|
||||
}
|
||||
|
||||
valid_onlink_ipv6()
|
||||
{
|
||||
# - unicast connected, unicast recursive, v4-mapped
|
||||
#
|
||||
log_subsection "default VRF - main table"
|
||||
|
||||
run_ip6 254 ${TEST_NET6[1]}::1 ${V6ADDRS[p1]/::*}::64 ${NETIFS[p1]} 0 "unicast connected"
|
||||
run_ip6 254 ${TEST_NET6[1]}::2 ${RECGW6[1]} ${NETIFS[p1]} 0 "unicast recursive"
|
||||
run_ip6 254 ${TEST_NET6[1]}::3 ::ffff:${TEST_NET4IN6[1]} ${NETIFS[p1]} 0 "v4-mapped"
|
||||
|
||||
log_subsection "VRF ${VRF}"
|
||||
|
||||
run_ip6 ${VRF_TABLE} ${TEST_NET6[2]}::1 ${V6ADDRS[p5]/::*}::64 ${NETIFS[p5]} 0 "unicast connected"
|
||||
run_ip6 ${VRF_TABLE} ${TEST_NET6[2]}::2 ${RECGW6[2]} ${NETIFS[p5]} 0 "unicast recursive"
|
||||
run_ip6 ${VRF_TABLE} ${TEST_NET6[2]}::3 ::ffff:${TEST_NET4IN6[2]} ${NETIFS[p5]} 0 "v4-mapped"
|
||||
|
||||
log_subsection "VRF device, PBR table"
|
||||
|
||||
run_ip6 ${PBR_TABLE} ${TEST_NET6[2]}::4 ${V6ADDRS[p5]/::*}::64 ${NETIFS[p5]} 0 "unicast connected"
|
||||
run_ip6 ${PBR_TABLE} ${TEST_NET6[2]}::5 ${RECGW6[2]} ${NETIFS[p5]} 0 "unicast recursive"
|
||||
run_ip6 ${PBR_TABLE} ${TEST_NET6[2]}::6 ::ffff:${TEST_NET4IN6[2]} ${NETIFS[p5]} 0 "v4-mapped"
|
||||
}
|
||||
|
||||
invalid_onlink_ipv6()
|
||||
{
|
||||
local lladdr
|
||||
|
||||
lladdr=$(get_linklocal ${NETIFS[p1]}) || return 1
|
||||
|
||||
run_ip6 254 ${TEST_NET6[1]}::11 ${V6ADDRS[p1]} ${NETIFS[p1]} 2 \
|
||||
"Invalid gw - local unicast address"
|
||||
run_ip6 254 ${TEST_NET6[1]}::12 ${lladdr} ${NETIFS[p1]} 2 \
|
||||
"Invalid gw - local linklocal address"
|
||||
run_ip6 254 ${TEST_NET6[1]}::12 ${MCAST6} ${NETIFS[p1]} 2 \
|
||||
"Invalid gw - multicast address"
|
||||
|
||||
lladdr=$(get_linklocal ${NETIFS[p5]}) || return 1
|
||||
run_ip6 ${VRF_TABLE} ${TEST_NET6[2]}::11 ${V6ADDRS[p5]} ${NETIFS[p5]} 2 \
|
||||
"Invalid gw - local unicast address, VRF"
|
||||
run_ip6 ${VRF_TABLE} ${TEST_NET6[2]}::12 ${lladdr} ${NETIFS[p5]} 2 \
|
||||
"Invalid gw - local linklocal address, VRF"
|
||||
run_ip6 ${VRF_TABLE} ${TEST_NET6[2]}::12 ${MCAST6} ${NETIFS[p5]} 2 \
|
||||
"Invalid gw - multicast address, VRF"
|
||||
|
||||
run_ip6 254 ${TEST_NET6[1]}::101 ${V6ADDRS[p1]} "" 2 \
|
||||
"No nexthop device given"
|
||||
|
||||
# default VRF validation is done against LOCAL table
|
||||
# run_ip6 254 ${TEST_NET6[1]}::102 ${V6ADDRS[p3]/::[0-9]/::64} ${NETIFS[p1]} 2 \
|
||||
# "Gateway resolves to wrong nexthop device"
|
||||
|
||||
run_ip6 ${VRF_TABLE} ${TEST_NET6[2]}::103 ${V6ADDRS[p7]/::[0-9]/::64} ${NETIFS[p5]} 2 \
|
||||
"Gateway resolves to wrong nexthop device - VRF"
|
||||
}
|
||||
|
||||
run_onlink_tests()
|
||||
{
|
||||
log_section "IPv4 onlink"
|
||||
log_subsection "Valid onlink commands"
|
||||
valid_onlink_ipv4
|
||||
log_subsection "Invalid onlink commands"
|
||||
invalid_onlink_ipv4
|
||||
|
||||
log_section "IPv6 onlink"
|
||||
log_subsection "Valid onlink commands"
|
||||
valid_onlink_ipv6
|
||||
invalid_onlink_ipv6
|
||||
}
|
||||
|
||||
################################################################################
|
||||
# main
|
||||
|
||||
nsuccess=0
|
||||
nfail=0
|
||||
|
||||
cleanup
|
||||
setup
|
||||
run_onlink_tests
|
||||
cleanup
|
||||
|
||||
if [ "$TESTS" != "none" ]; then
|
||||
printf "\nTests passed: %3d\n" ${nsuccess}
|
||||
printf "Tests failed: %3d\n" ${nfail}
|
||||
fi
|
||||
Loading…
Reference in New Issue
Block a user