new file mode 100755
@@ -0,0 +1,15 @@
+#!/bin/sh
+# SPDX-License-Identifier: GPL-2.0
+
+if [ $# -lt 2 ]; then
+ echo -e "syntax:\n$0 <device> <attr> [<value>]"
+ exit 0
+fi
+
+mount -t sysfs /sys 2>/dev/null
+if [ $# -lt 3 ]; then
+ cat /sys/class/net/$1/$2
+ exit $?
+fi
+
+echo $3 > /sys/class/net/$1/$2
@@ -79,6 +79,16 @@ create_vxlan_pair() {
done
}
+move_address() {
+ local -r ns=$1
+ local -r src_dev=$2
+ local -r dst_dev=$3
+ local -r addr=$4
+
+ ip -n $ns addr del dev $src_dev $addr
+ ip -n $ns addr add dev $dst_dev $addr nodad 2>/dev/null
+}
+
is_ipv6() {
if [[ $1 =~ .*:.* ]]; then
return 0
@@ -86,6 +96,35 @@ is_ipv6() {
return 1
}
+create_bridge() {
+ local vxdev=vxlan$SRC
+ local src=$1
+ local i
+
+ is_ipv6 $src && vxdev=vxlan6$SRC
+
+ create_vxlan_pair
+ ip -n $NS_SRC link add name br_port type veth peer name br_port_peer
+ ip -n $NS_SRC link add name br0 type bridge
+ ip -n $NS_SRC link set dev br0 up
+ ip -n $NS_SRC link set dev br_port_peer up
+ ip -n $NS_SRC link set dev br_port up master br0
+ ip -n $NS_SRC link set dev $vxdev master br0
+ move_address $NS_SRC $vxdev br_port_peer $src/24
+
+ ip -n $NS_SRC link set br_port xdp object ../bpf/xdp_dummy.o section xdp_dummy 2>/dev/null
+ ip netns exec $NS_SRC ./set_sysfs_attr.sh br_port threaded 1
+
+ # slowing down the input path, we will help the napi thread to
+ # aggregate as much packets as possible via GRO
+ modprobe br_netfilter 2>/dev/null
+ ip netns exec $NS_SRC sysctl -qw net.bridge.bridge-nf-call-iptables=1
+ ip netns exec $NS_SRC sysctl -qw net.bridge.bridge-nf-call-ip6tables=1
+ for i in `seq 1 100`; do
+ ip netns exec $NS_SRC $IPT -A FORWARD
+ done
+}
+
run_test() {
local -r msg=$1
local -r dst=$2
@@ -228,6 +267,21 @@ for family in 4 6; do
run_test "GRO frag list over UDP tunnel" $OL_NET$DST 1 1
cleanup
+ create_bridge $OL_NET$SRC
+ ip netns exec $NS_SRC ethtool -K br_port rx-gro-list on
+ ip netns exec $NS_SRC ethtool -K br_port_peer tx-udp-segmentation off
+ ip netns exec $NS_DST ethtool -K veth$DST rx-gro-list on
+ run_test "GRO frag list over UDP tunnel segmentation" $OL_NET$DST 1 1
+ cleanup
+
+ create_bridge $OL_NET$SRC
+ ip netns exec $NS_SRC ethtool -K br_port rx-gro-list on
+ ip netns exec $NS_SRC ethtool -K br_port_peer tx-udp-segmentation off
+ ip netns exec $NS_DST ethtool -K veth$DST rx-gro-list on
+ ip netns exec $NS_SRC ethtool -K veth$SRC tx off
+ run_test "GRO frag list over UDP tunnel segmentation (tx csum off)" $OL_NET$DST 1 1
+ cleanup
+
# use NAT to circumvent GRO FWD check
create_vxlan_pair
ip -n $NS_DST addr add dev $VXDEV$DST $OL_NET$DST_NAT/$SUFFIX
Introduces explicit scenarios for the issues addressed on the previous patches, and functionally checks the expected aggregation and segmentation. Signed-off-by: Paolo Abeni <pabeni@redhat.com> --- tools/testing/selftests/net/set_sysfs_attr.sh | 15 ++++++ tools/testing/selftests/net/udpgro_fwd.sh | 54 +++++++++++++++++++ 2 files changed, 69 insertions(+) create mode 100755 tools/testing/selftests/net/set_sysfs_attr.sh