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#!/bin/bash
# SPDX-License-Identifier: GPL-2.0
ROUTER_NUM_NETIFS=4
: ${TIMEOUT:=20000} # ms
router_h1_create()
{
simple_if_init $h1 192.0.1.1/24
}
router_h1_destroy()
{
simple_if_fini $h1 192.0.1.1/24
}
router_h2_create()
{
simple_if_init $h2 192.0.2.1/24
tc qdisc add dev $h2 handle ffff: ingress
}
router_h2_destroy()
{
tc qdisc del dev $h2 handle ffff: ingress
simple_if_fini $h2 192.0.2.1/24
}
router_create()
{
ip link set dev $rp1 up
ip link set dev $rp2 up
ip address add 192.0.1.2/24 dev $rp1
ip address add 192.0.2.2/24 dev $rp2
}
router_destroy()
{
ip address del 192.0.2.2/24 dev $rp2
ip address del 192.0.1.2/24 dev $rp1
ip link set dev $rp2 down
ip link set dev $rp1 down
}
router_setup_prepare()
{
h1=${NETIFS[p1]}
rp1=${NETIFS[p2]}
rp2=${NETIFS[p3]}
h2=${NETIFS[p4]}
h1mac=$(mac_get $h1)
rp1mac=$(mac_get $rp1)
vrf_prepare
router_h1_create
router_h2_create
router_create
}
wait_for_routes()
{
local t0=$1; shift
local route_count=$1; shift
local t1=$(ip route | grep -o 'offload' | wc -l)
local delta=$((t1 - t0))
echo $delta
[[ $delta -ge $route_count ]]
}
router_routes_create()
{
local route_count=$1
local count=0
ROUTE_FILE="$(mktemp)"
for i in {0..255}
do
for j in {0..255}
do
for k in {0..255}
do
if [[ $count -eq $route_count ]]; then
break 3
fi
echo route add 193.${i}.${j}.${k}/32 dev $rp2 \
>> $ROUTE_FILE
((count++))
done
done
done
ip -b $ROUTE_FILE &> /dev/null
}
router_routes_destroy()
{
if [[ -v ROUTE_FILE ]]; then
rm -f $ROUTE_FILE
fi
}
router_test()
{
local route_count=$1
local should_fail=$2
local delta
RET=0
local t0=$(ip route | grep -o 'offload' | wc -l)
router_routes_create $route_count
delta=$(busywait "$TIMEOUT" wait_for_routes $t0 $route_count)
check_err_fail $should_fail $? "Offload routes: Expected $route_count, got $delta."
if [[ $RET -ne 0 ]] || [[ $should_fail -eq 1 ]]; then
return
fi
router_routes_destroy
}
router_cleanup()
{
pre_cleanup
router_routes_destroy
router_destroy
router_h2_destroy
router_h1_destroy
vrf_cleanup
}
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