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authorPaolo Abeni <pabeni@redhat.com>2023-02-17 13:28:50 +0100
committerDavid S. Miller <davem@davemloft.net>2023-02-20 11:22:54 +0000
commit3a7d84eae03bef4c02c39822b2ea6be5ac73de7b (patch)
tree74deeba1123d2df5b4700532693b73e246bafa94 /tools
parent50bcfe8df7c73ce51762f65d218b4ef0cc5da3ee (diff)
self-tests: more rps self tests
Explicitly check for child netns and main ns independency Signed-off-by: Paolo Abeni <pabeni@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'tools')
-rwxr-xr-xtools/testing/selftests/net/rps_default_mask.sh41
1 files changed, 29 insertions, 12 deletions
diff --git a/tools/testing/selftests/net/rps_default_mask.sh b/tools/testing/selftests/net/rps_default_mask.sh
index c81c0ac7ddfe..0fd0d2db3abc 100755
--- a/tools/testing/selftests/net/rps_default_mask.sh
+++ b/tools/testing/selftests/net/rps_default_mask.sh
@@ -8,7 +8,9 @@ ret=0
[ $cpus -gt 2 ] || exit $ksft_skip
readonly INITIAL_RPS_DEFAULT_MASK=$(cat /proc/sys/net/core/rps_default_mask)
-readonly NETNS="ns-$(mktemp -u XXXXXX)"
+readonly TAG="$(mktemp -u XXXXXX)"
+readonly VETH="veth${TAG}"
+readonly NETNS="ns-${TAG}"
setup() {
ip netns add "${NETNS}"
@@ -21,11 +23,15 @@ cleanup() {
}
chk_rps() {
- local rps_mask expected_rps_mask=$3
- local dev_name=$2
+ local rps_mask expected_rps_mask=$4
+ local dev_name=$3
+ local netns=$2
+ local cmd="cat"
local msg=$1
- rps_mask=$(ip netns exec $NETNS cat /sys/class/net/$dev_name/queues/rx-0/rps_cpus)
+ [ -n "$netns" ] && cmd="ip netns exec $netns $cmd"
+
+ rps_mask=$($cmd /sys/class/net/$dev_name/queues/rx-0/rps_cpus)
printf "%-60s" "$msg"
if [ $rps_mask -eq $expected_rps_mask ]; then
echo "[ ok ]"
@@ -39,19 +45,30 @@ trap cleanup EXIT
echo 0 > /proc/sys/net/core/rps_default_mask
setup
-chk_rps "empty rps_default_mask" lo 0
+chk_rps "empty rps_default_mask" $NETNS lo 0
cleanup
echo 1 > /proc/sys/net/core/rps_default_mask
setup
-chk_rps "non zero rps_default_mask" lo 1
+chk_rps "changing rps_default_mask dont affect existing devices" "" lo $INITIAL_RPS_DEFAULT_MASK
echo 3 > /proc/sys/net/core/rps_default_mask
-chk_rps "changing rps_default_mask dont affect existing netns" lo 1
+chk_rps "changing rps_default_mask dont affect existing netns" $NETNS lo 0
+
+ip link add name $VETH type veth peer netns $NETNS name $VETH
+ip link set dev $VETH up
+ip -n $NETNS link set dev $VETH up
+chk_rps "changing rps_default_mask affect newly created devices" "" $VETH 3
+chk_rps "changing rps_default_mask don't affect newly child netns[II]" $NETNS $VETH 0
+ip netns del $NETNS
+
+setup
+chk_rps "rps_default_mask is 0 by default in child netns" "$NETNS" lo 0
+
+ip netns exec $NETNS sysctl -qw net.core.rps_default_mask=1
+ip link add name $VETH type veth peer netns $NETNS name $VETH
+chk_rps "changing rps_default_mask in child ns don't affect the main one" "" lo $INITIAL_RPS_DEFAULT_MASK
+chk_rps "changing rps_default_mask in child ns affects new childns devices" $NETNS $VETH 1
+chk_rps "changing rps_default_mask in child ns don't affect existing devices" $NETNS lo 0
-ip -n $NETNS link add type veth
-ip -n $NETNS link set dev veth0 up
-ip -n $NETNS link set dev veth1 up
-chk_rps "changing rps_default_mask affect newly created devices" veth0 3
-chk_rps "changing rps_default_mask affect newly created devices[II]" veth1 3
exit $ret