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authorEric Dumazet <edumazet@google.com>2023-12-14 11:49:01 +0100
committerDavid S. Miller <davem@davemloft.net>2023-12-15 12:01:27 +0100
commit18872ba8cd2406ffa835f9f6276e47ed86fbb5d6 (patch)
tree6f3759803b0b9f624864bb41fd46ecffd3dc8d69 /tools/testing/selftests/net/msg_zerocopy.sh
parentnet: Namespace-ify sysctl_optmem_max (diff)
downloadlinux-18872ba8cd2406ffa835f9f6276e47ed86fbb5d6.tar.xz
linux-18872ba8cd2406ffa835f9f6276e47ed86fbb5d6.zip
selftests/net: optmem_max became per netns
/proc/sys/net/core/optmem_max is now per netns, change two tests that were saving/changing/restoring its value on the parent netns. Signed-off-by: Eric Dumazet <edumazet@google.com> Reviewed-by: Willem de Bruijn <willemb@google.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'tools/testing/selftests/net/msg_zerocopy.sh')
-rwxr-xr-xtools/testing/selftests/net/msg_zerocopy.sh9
1 files changed, 4 insertions, 5 deletions
diff --git a/tools/testing/selftests/net/msg_zerocopy.sh b/tools/testing/selftests/net/msg_zerocopy.sh
index 825ffec85cea..89c22f5320e0 100755
--- a/tools/testing/selftests/net/msg_zerocopy.sh
+++ b/tools/testing/selftests/net/msg_zerocopy.sh
@@ -70,23 +70,22 @@ case "${TXMODE}" in
esac
# Start of state changes: install cleanup handler
-save_sysctl_mem="$(sysctl -n ${path_sysctl_mem})"
cleanup() {
ip netns del "${NS2}"
ip netns del "${NS1}"
- sysctl -w -q "${path_sysctl_mem}=${save_sysctl_mem}"
}
trap cleanup EXIT
-# Configure system settings
-sysctl -w -q "${path_sysctl_mem}=1000000"
-
# Create virtual ethernet pair between network namespaces
ip netns add "${NS1}"
ip netns add "${NS2}"
+# Configure system settings
+ip netns exec "${NS1}" sysctl -w -q "${path_sysctl_mem}=1000000"
+ip netns exec "${NS2}" sysctl -w -q "${path_sysctl_mem}=1000000"
+
ip link add "${DEV}" mtu "${DEV_MTU}" netns "${NS1}" type veth \
peer name "${DEV}" mtu "${DEV_MTU}" netns "${NS2}"