selftests/net/udpgro_fwd.sh

2 # SPDX-License-Identifier: GPL-2.0
7 readonly BASE="ns-$(mktemp -u XXXXXX)"
25 	local -r jobs="$(jobs -p)"
26 	[ -n "${jobs}" ] && kill -1 ${jobs} 2>/dev/null
41 		ip -n $ns link set dev lo up
44 		ip netns exec $ns sysctl -qw net.ipv6.conf.default.router_solicitations=0
45 		ip netns exec $ns sysctl -qw net.ipv6.conf.all.router_solicitations=0
52 		ip -n $BASE$ns link set dev veth$ns up
53 		ip -n $BASE$ns addr add dev veth$ns $BM_NET_V4$ns/24
54 		ip -n $BASE$ns addr add dev veth$ns $BM_NET_V6$ns/64 nodad
56 	ip -n $NS_DST link set veth$DST xdp object ${BPF_FILE} section xdp 2>/dev/null
60 	local -r netns=$1
61 	local -r bm_dev=$2
62 	local -r bm_rem_addr=$3
63 	local -r vxlan_dev=$4
64 	local -r vxlan_id=$5
65 	local -r vxlan_port=4789
67 	ip -n $netns link set dev $bm_dev up
68 	ip -n $netns link add dev $vxlan_dev type vxlan id $vxlan_id \
70 	ip -n $netns link set dev $vxlan_dev up
79 		# note that 3 - $SRC == $DST and 3 - $DST == $SRC
80 		create_vxlan_endpoint $BASE$ns veth$ns $BM_NET_V4$((3 - $ns)) vxlan$ns 4
81 		ip -n $BASE$ns addr add dev vxlan$ns $OL_NET_V4$ns/24
84 		create_vxlan_endpoint $BASE$ns veth$ns $BM_NET_V6$((3 - $ns)) vxlan6$ns 6
85 		ip -n $BASE$ns addr add dev vxlan6$ns $OL_NET_V6$ns/24 nodad
89 	local addr_dst=$(ip -j -n $BASE$DST link show dev vxlan6$DST  |jq -r '.[]["address"]')
90 	local addr_src=$(ip -j -n $BASE$SRC link show dev vxlan6$SRC  |jq -r '.[]["address"]')
91 	ip -n $BASE$DST neigh add dev vxlan6$DST lladdr $addr_src $OL_NET_V6$SRC
92 	ip -n $BASE$SRC neigh add dev vxlan6$SRC lladdr $addr_dst $OL_NET_V6$DST
103 	local -r msg=$1
104 	local -r dst=$2
105 	local -r pkts=$3
106 	local -r vxpkts=$4
109 	local rx_family="-4"
110 	local family=-4
114 	printf "%-40s" "$msg"
117 		# rx program does not support '-6' and implies ipv6 usage by default
119 		family=-6
125 	[ -n "$bind" ] && rx_args="$rx_args -b $bind"
128 	# Always expect 10 UDP frames on RX side as rx socket does
130 	ip netns exec $NS_DST $ipt -A INPUT -p udp --dport 4789
131 	ip netns exec $NS_DST $ipt -A INPUT -p udp --dport 8000
132 	ip netns exec $NS_DST ./udpgso_bench_rx -C 2000 -R 100 -n 10 -l 1300 $rx_args &
135 	ip netns exec $NS_SRC ./udpgso_bench_tx $family -M 1 -s 13000 -S 1300 -D $dst
139 	if [ ${rets} -ne 0 ] || [ ${retc} -ne 0 ]; then
145 	local rcv=`ip netns exec $NS_DST $ipt"-save" -c | grep 'dport 8000' | \
146 							  sed -e 's/\[//' -e 's/:.*//'`
148 		echo " fail - received $rcv packets, expected $pkts"
153 	local vxrcv=`ip netns exec $NS_DST $ipt"-save" -c | grep 'dport 4789' | \
154 							    sed -e 's/\[//' -e 's/:.*//'`
157 	if [ $vxrcv -lt $vxpkts -o $vxrcv -gt $((vxpkts + 3)) ]; then
158 		echo " fail - received $vxrcv vxlan packets, expected $vxpkts"
166 	local -r msg=$1
167 	local -r dst=$2
168 	local family=-4
170 	printf "%-40s" "$msg"
171 	if [ $NPROCS -lt 2 ]; then
172 		echo " skip - needed 2 CPUs found $NPROCS"
176 	is_ipv6 $dst && family=-6
180 	ip netns exec $NS_DST bash -c "echo 2 > /sys/class/net/veth$DST/queues/rx-0/rps_cpus"
181 	ip netns exec $NS_DST taskset 0x2 ./udpgso_bench_rx -C 2000 -R 100  &
184 	ip netns exec $NS_SRC taskset 0x1 ./udpgso_bench_tx $family -l 3 -S 1300 -D $dst
188 	if [ ${rets} -ne 0 ] || [ ${retc} -ne 0 ]; then
210 		ping -w 1 -c 1 ::1 > /dev/null 2>&1 || PING="ping6"
220 	ip netns exec $NS_DST ethtool -K veth$DST generic-receive-offload on
221 	ip netns exec $NS_DST ethtool -K veth$DST rx-gro-list on
230 	ip -n $NS_DST addr add dev veth$DST $BM_NET$DST_NAT/$SUFFIX
231 	ip netns exec $NS_DST ethtool -K veth$DST generic-receive-offload on
232 	ip netns exec $NS_DST ethtool -K veth$DST rx-udp-gro-forwarding on
233 	ip netns exec $NS_DST $IPT -t nat -I PREROUTING -d $BM_NET$DST_NAT \
234 					-j DNAT --to-destination $BM_NET$DST
240 	ip netns exec $NS_DST ethtool -K veth$DST rx-udp-gro-forwarding on
245 	ip netns exec $NS_DST ethtool -K veth$DST generic-receive-offload on
246 	ip netns exec $NS_DST ethtool -K veth$DST rx-gro-list on
252 	ip -n $NS_DST addr add dev $VXDEV$DST $OL_NET$DST_NAT/$SUFFIX
253 	ip netns exec $NS_DST ethtool -K veth$DST generic-receive-offload on
254 	ip netns exec $NS_DST ethtool -K veth$DST rx-udp-gro-forwarding on
255 	ip netns exec $NS_DST $IPT -t nat -I PREROUTING -d $OL_NET$DST_NAT \
256 					-j DNAT --to-destination $OL_NET$DST
260 	ip netns exec $NS_SRC $PING -q -c 1 $OL_NET$DST_NAT >/dev/null