#!/bin/bash
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# SPDX-License-Identifier: GPL-2.0
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ROUTER_NUM_NETIFS=4
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router_h1_create()
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{
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simple_if_init $h1 192.0.1.1/24
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ip route add 193.0.0.0/8 via 192.0.1.2 dev $h1
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}
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router_h1_destroy()
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{
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ip route del 193.0.0.0/8 via 192.0.1.2 dev $h1
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simple_if_fini $h1 192.0.1.1/24
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}
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router_h2_create()
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{
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simple_if_init $h2 192.0.2.1/24
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tc qdisc add dev $h2 handle ffff: ingress
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}
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router_h2_destroy()
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{
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tc qdisc del dev $h2 handle ffff: ingress
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simple_if_fini $h2 192.0.2.1/24
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}
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router_create()
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{
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ip link set dev $rp1 up
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ip link set dev $rp2 up
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ip address add 192.0.1.2/24 dev $rp1
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ip address add 192.0.2.2/24 dev $rp2
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}
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router_destroy()
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{
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ip address del 192.0.2.2/24 dev $rp2
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ip address del 192.0.1.2/24 dev $rp1
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ip link set dev $rp2 down
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ip link set dev $rp1 down
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}
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router_setup_prepare()
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{
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h1=${NETIFS[p1]}
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rp1=${NETIFS[p2]}
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rp2=${NETIFS[p3]}
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h2=${NETIFS[p4]}
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h1mac=$(mac_get $h1)
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rp1mac=$(mac_get $rp1)
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vrf_prepare
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router_h1_create
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router_h2_create
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router_create
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}
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router_offload_validate()
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{
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local route_count=$1
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local offloaded_count
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offloaded_count=$(ip route | grep -o 'offload' | wc -l)
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[[ $offloaded_count -ge $route_count ]]
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}
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router_routes_create()
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{
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local route_count=$1
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local count=0
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ROUTE_FILE="$(mktemp)"
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for i in {0..255}
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do
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for j in {0..255}
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do
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for k in {0..255}
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do
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if [[ $count -eq $route_count ]]; then
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break 3
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fi
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echo route add 193.${i}.${j}.${k}/32 via \
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192.0.2.1 dev $rp2 >> $ROUTE_FILE
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((count++))
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done
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done
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done
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ip -b $ROUTE_FILE &> /dev/null
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}
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router_routes_destroy()
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{
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if [[ -v ROUTE_FILE ]]; then
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rm -f $ROUTE_FILE
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fi
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}
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router_test()
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{
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local route_count=$1
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local should_fail=$2
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local count=0
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RET=0
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router_routes_create $route_count
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router_offload_validate $route_count
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check_err_fail $should_fail $? "Offload of $route_count routes"
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if [[ $RET -ne 0 ]] || [[ $should_fail -eq 1 ]]; then
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return
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fi
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tc filter add dev $h2 ingress protocol ip pref 1 flower \
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skip_sw dst_ip 193.0.0.0/8 action drop
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for i in {0..255}
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do
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for j in {0..255}
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do
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for k in {0..255}
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do
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if [[ $count -eq $route_count ]]; then
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break 3
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fi
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$MZ $h1 -c 1 -p 64 -a $h1mac -b $rp1mac \
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-A 192.0.1.1 -B 193.${i}.${j}.${k} \
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-t ip -q
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((count++))
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done
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done
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done
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tc_check_packets "dev $h2 ingress" 1 $route_count
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check_err $? "Offload mismatch"
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tc filter del dev $h2 ingress protocol ip pref 1 flower \
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skip_sw dst_ip 193.0.0.0/8 action drop
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router_routes_destroy
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}
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router_cleanup()
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{
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pre_cleanup
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router_routes_destroy
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router_destroy
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router_h2_destroy
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router_h1_destroy
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vrf_cleanup
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}
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