Commit 265bb359 authored by Yoshiki Komachi's avatar Yoshiki Komachi Committed by Daniel Borkmann
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selftests/bpf: Add test based on port range for BPF flow dissector 



Add a simple test to make sure that a filter based on specified port
range classifies packets correctly.

Signed-off-by: default avatarYoshiki Komachi <komachi.yoshiki@gmail.com>
Signed-off-by: default avatarDaniel Borkmann <daniel@iogearbox.net>
Acked-by: default avatarPetar Penkov <ppenkov@google.com>
Acked-by: default avatarJohn Fastabend <john.fastabend@gmail.com>
Link: https://lore.kernel.org/bpf/20200117070533.402240-3-komachi.yoshiki@gmail.com
parent 59fb9b62

tools/testing/selftests/bpf/test_flow_dissector.sh

+14 −0
Original line number Diff line number Diff line
@@ -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 \

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