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selftests: net: veth: test the ability to independently manipulate GRO and XDP

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We should be able to independently flip either XDP or GRO states and toggling
one should not affect the other.

Adjust other tests as well that had implicit expectation that GRO would be
automatically enabled.

Signed-off-by: Ignat Korchagin <ignat@cloudflare.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Ignat Korchagin 2024-03-13 19:37:59 +01:00 committed by David S. Miller
parent d7db7775ea
commit ba5a6476e3
2 changed files with 25 additions and 3 deletions
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4
tools/testing/selftests/net/udpgro_fwd.sh
View File

@ -217,6 +217,7 @@ for family in 4 6; do
cleanup
create_ns
ip netns exec $NS_DST ethtool -K veth$DST generic-receive-offload on
ip netns exec $NS_DST ethtool -K veth$DST rx-gro-list on
run_test "GRO frag list" $BM_NET$DST 1 0
cleanup
@ -227,6 +228,7 @@ for family in 4 6; do
# use NAT to circumvent GRO FWD check
create_ns
ip -n $NS_DST addr add dev veth$DST $BM_NET$DST_NAT/$SUFFIX
ip netns exec $NS_DST ethtool -K veth$DST generic-receive-offload on
ip netns exec $NS_DST ethtool -K veth$DST rx-udp-gro-forwarding on
ip netns exec $NS_DST $IPT -t nat -I PREROUTING -d $BM_NET$DST_NAT \
-j DNAT --to-destination $BM_NET$DST
@ -240,6 +242,7 @@ for family in 4 6; do
cleanup
create_vxlan_pair
ip netns exec $NS_DST ethtool -K veth$DST generic-receive-offload on
ip netns exec $NS_DST ethtool -K veth$DST rx-gro-list on
run_test "GRO frag list over UDP tunnel" $OL_NET$DST 1 1
cleanup
@ -247,6 +250,7 @@ for family in 4 6; do
# use NAT to circumvent GRO FWD check
create_vxlan_pair
ip -n $NS_DST addr add dev $VXDEV$DST $OL_NET$DST_NAT/$SUFFIX
ip netns exec $NS_DST ethtool -K veth$DST generic-receive-offload on
ip netns exec $NS_DST ethtool -K veth$DST rx-udp-gro-forwarding on
ip netns exec $NS_DST $IPT -t nat -I PREROUTING -d $OL_NET$DST_NAT \
-j DNAT --to-destination $OL_NET$DST

24
tools/testing/selftests/net/veth.sh
View File

@ -249,9 +249,9 @@ cleanup
create_ns
ip -n $NS_DST link set dev veth$DST up
ip -n $NS_DST link set dev veth$DST xdp object ${BPF_FILE} section xdp
chk_gro_flag "gro vs xdp while down - gro flag on" $DST on
chk_gro_flag "gro vs xdp while down - gro flag off" $DST off
ip -n $NS_DST link set dev veth$DST down
chk_gro_flag " - after down" $DST on
chk_gro_flag " - after down" $DST off
ip -n $NS_DST link set dev veth$DST xdp off
chk_gro_flag " - after xdp off" $DST off
ip -n $NS_DST link set dev veth$DST up
@ -260,6 +260,21 @@ ip -n $NS_SRC link set dev veth$SRC xdp object ${BPF_FILE} section xdp
chk_gro_flag " - after peer xdp" $DST off
cleanup
create_ns
ip -n $NS_DST link set dev veth$DST up
ip -n $NS_DST link set dev veth$DST xdp object ${BPF_FILE} section xdp
ip netns exec $NS_DST ethtool -K veth$DST generic-receive-offload on
chk_gro_flag "gro vs xdp while down - gro flag on" $DST on
ip -n $NS_DST link set dev veth$DST down
chk_gro_flag " - after down" $DST on
ip -n $NS_DST link set dev veth$DST xdp off
chk_gro_flag " - after xdp off" $DST on
ip -n $NS_DST link set dev veth$DST up
chk_gro_flag " - after up" $DST on
ip -n $NS_SRC link set dev veth$SRC xdp object ${BPF_FILE} section xdp
chk_gro_flag " - after peer xdp" $DST on
cleanup
create_ns
chk_channels "default channels" $DST 1 1
@ -327,11 +342,14 @@ if [ $CPUS -gt 2 ]; then
fi
ip -n $NS_DST link set dev veth$DST xdp object ${BPF_FILE} section xdp 2>/dev/null
chk_gro_flag "with xdp attached - gro flag" $DST on
chk_gro_flag "with xdp attached - gro flag" $DST off
chk_gro_flag " - peer gro flag" $SRC off
chk_tso_flag " - tso flag" $SRC off
chk_tso_flag " - peer tso flag" $DST on
ip netns exec $NS_DST ethtool -K veth$DST rx-udp-gro-forwarding on
chk_gro " - no aggregation" 10
ip netns exec $NS_DST ethtool -K veth$DST generic-receive-offload on
chk_gro_flag " - gro flag with GRO on" $DST on
chk_gro " - aggregation" 1