diff mbox series

[v2,bpf,2/2] selftests/bpf: Add test based on port range for BPF flow dissector

Message ID 20200117070533.402240-3-komachi.yoshiki@gmail.com
State Accepted
Delegated to: BPF Maintainers
Headers show
Series Fix the classification based on port ranges in bpf hook | expand

Commit Message

Yoshiki Komachi Jan. 17, 2020, 7:05 a.m. UTC 
Add a simple test to make sure that a filter based on specified port
range classifies packets correctly.

Signed-off-by: Yoshiki Komachi <komachi.yoshiki@gmail.com>
Acked-by: Petar Penkov <ppenkov@google.com>
---
 tools/testing/selftests/bpf/test_flow_dissector.sh | 14 ++++++++++++++
 1 file changed, 14 insertions(+)

Comments

John Fastabend Jan. 18, 2020, 7:05 a.m. UTC | #1 
Yoshiki Komachi wrote:
> Add a simple test to make sure that a filter based on specified port
> range classifies packets correctly.
> 
> Signed-off-by: Yoshiki Komachi <komachi.yoshiki@gmail.com>
> Acked-by: Petar Penkov <ppenkov@google.com>
> ---

Acked-by: John Fastabend <john.fastabend@gmail.com>
diff mbox series

Patch

diff --git a/tools/testing/selftests/bpf/test_flow_dissector.sh b/tools/testing/selftests/bpf/test_flow_dissector.sh
index a8485ae..174b72a 100755
--- a/tools/testing/selftests/bpf/test_flow_dissector.sh
+++ b/tools/testing/selftests/bpf/test_flow_dissector.sh
@@ -139,6 +139,20 @@  echo "Testing IPv4 + GRE..."
 
 tc filter del dev lo ingress pref 1337
 
+echo "Testing port range..."
+# Drops all IP/UDP packets coming from port 8-10
+tc filter add dev lo parent ffff: protocol ip pref 1337 flower ip_proto \
+	udp src_port 8-10 action drop
+
+# Send 10 IPv4/UDP packets from port 7. Filter should not drop any.
+./test_flow_dissector -i 4 -f 7
+# Send 10 IPv4/UDP packets from port 9. Filter should drop all.
+./test_flow_dissector -i 4 -f 9 -F
+# Send 10 IPv4/UDP packets from port 11. Filter should not drop any.
+./test_flow_dissector -i 4 -f 11
+
+tc filter del dev lo ingress pref 1337
+
 echo "Testing IPv6..."
 # Drops all IPv6/UDP packets coming from port 9
 tc filter add dev lo parent ffff: protocol ipv6 pref 1337 flower ip_proto \