OpenCloudOS-Kernel/tools/testing/selftests/net/fib_rule_tests.sh

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#!/bin/bash
# SPDX-License-Identifier: GPL-2.0
# This test is for checking IPv4 and IPv6 FIB rules API
ret=0
PAUSE_ON_FAIL=${PAUSE_ON_FAIL:=no}
IP="ip -netns testns"
RTABLE=100
GW_IP4=192.51.100.2
SRC_IP=192.51.100.3
GW_IP6=2001:db8:1::2
SRC_IP6=2001:db8:1::3
DEV_ADDR=192.51.100.1
DEV=dummy0
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 "######################################################################"
}
setup()
{
set -e
ip netns add testns
$IP link set dev lo up
$IP link add dummy0 type dummy
$IP link set dev dummy0 up
$IP address add 198.51.100.1/24 dev dummy0
$IP -6 address add 2001:db8:1::1/64 dev dummy0
set +e
}
cleanup()
{
$IP link del dev dummy0 &> /dev/null
ip netns del testns
}
fib_check_iproute_support()
{
ip rule help 2>&1 | grep -q $1
if [ $? -ne 0 ]; then
echo "SKIP: iproute2 iprule too old, missing $1 match"
return 1
fi
ip route get help 2>&1 | grep -q $2
if [ $? -ne 0 ]; then
echo "SKIP: iproute2 get route too old, missing $2 match"
return 1
fi
return 0
}
fib_rule6_del()
{
$IP -6 rule del $1
log_test $? 0 "rule6 del $1"
}
fib_rule6_del_by_pref()
{
pref=$($IP -6 rule show | grep "$1 lookup $TABLE" | cut -d ":" -f 1)
$IP -6 rule del pref $pref
}
fib_rule6_test_match_n_redirect()
{
local match="$1"
local getmatch="$2"
$IP -6 rule add $match table $RTABLE
$IP -6 route get $GW_IP6 $getmatch | grep -q "table $RTABLE"
log_test $? 0 "rule6 check: $1"
fib_rule6_del_by_pref "$match"
log_test $? 0 "rule6 del by pref: $match"
}
fib_rule6_test()
{
# setup the fib rule redirect route
$IP -6 route add table $RTABLE default via $GW_IP6 dev $DEV onlink
match="oif $DEV"
fib_rule6_test_match_n_redirect "$match" "$match" "oif redirect to table"
match="from $SRC_IP6 iif $DEV"
fib_rule6_test_match_n_redirect "$match" "$match" "iif redirect to table"
match="tos 0x10"
fib_rule6_test_match_n_redirect "$match" "$match" "tos redirect to table"
match="fwmark 0x64"
getmatch="mark 0x64"
fib_rule6_test_match_n_redirect "$match" "$getmatch" "fwmark redirect to table"
fib_check_iproute_support "uidrange" "uid"
if [ $? -eq 0 ]; then
match="uidrange 100-100"
getmatch="uid 100"
fib_rule6_test_match_n_redirect "$match" "$getmatch" "uid redirect to table"
fi
fib_check_iproute_support "sport" "sport"
if [ $? -eq 0 ]; then
match="sport 666 dport 777"
fib_rule6_test_match_n_redirect "$match" "$match" "sport and dport redirect to table"
fi
fib_check_iproute_support "ipproto" "ipproto"
if [ $? -eq 0 ]; then
match="ipproto tcp"
fib_rule6_test_match_n_redirect "$match" "$match" "ipproto match"
fi
fib_check_iproute_support "ipproto" "ipproto"
if [ $? -eq 0 ]; then
match="ipproto icmp"
fib_rule6_test_match_n_redirect "$match" "$match" "ipproto icmp match"
fi
}
fib_rule4_del()
{
$IP rule del $1
log_test $? 0 "del $1"
}
fib_rule4_del_by_pref()
{
pref=$($IP rule show | grep "$1 lookup $TABLE" | cut -d ":" -f 1)
$IP rule del pref $pref
}
fib_rule4_test_match_n_redirect()
{
local match="$1"
local getmatch="$2"
$IP rule add $match table $RTABLE
$IP route get $GW_IP4 $getmatch | grep -q "table $RTABLE"
log_test $? 0 "rule4 check: $1"
fib_rule4_del_by_pref "$match"
log_test $? 0 "rule4 del by pref: $match"
}
fib_rule4_test()
{
# setup the fib rule redirect route
$IP route add table $RTABLE default via $GW_IP4 dev $DEV onlink
match="oif $DEV"
fib_rule4_test_match_n_redirect "$match" "$match" "oif redirect to table"
match="from $SRC_IP iif $DEV"
fib_rule4_test_match_n_redirect "$match" "$match" "iif redirect to table"
match="tos 0x10"
fib_rule4_test_match_n_redirect "$match" "$match" "tos redirect to table"
match="fwmark 0x64"
getmatch="mark 0x64"
fib_rule4_test_match_n_redirect "$match" "$getmatch" "fwmark redirect to table"
fib_check_iproute_support "uidrange" "uid"
if [ $? -eq 0 ]; then
match="uidrange 100-100"
getmatch="uid 100"
fib_rule4_test_match_n_redirect "$match" "$getmatch" "uid redirect to table"
fi
fib_check_iproute_support "sport" "sport"
if [ $? -eq 0 ]; then
match="sport 666 dport 777"
fib_rule4_test_match_n_redirect "$match" "$match" "sport and dport redirect to table"
fi
fib_check_iproute_support "ipproto" "ipproto"
if [ $? -eq 0 ]; then
match="ipproto tcp"
fib_rule4_test_match_n_redirect "$match" "$match" "ipproto tcp match"
fi
fib_check_iproute_support "ipproto" "ipproto"
if [ $? -eq 0 ]; then
match="ipproto icmp"
fib_rule4_test_match_n_redirect "$match" "$match" "ipproto icmp match"
fi
}
run_fibrule_tests()
{
log_section "IPv4 fib rule"
fib_rule4_test
log_section "IPv6 fib rule"
fib_rule6_test
}
if [ "$(id -u)" -ne 0 ];then
echo "SKIP: Need root privileges"
exit 0
fi
if [ ! -x "$(command -v ip)" ]; then
echo "SKIP: Could not run test without ip tool"
exit 0
fi
# start clean
cleanup &> /dev/null
setup
run_fibrule_tests
cleanup
exit $ret