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https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
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50b3ed57de
Adds a test that sends different types of packets over multiple tunnels and verifies that valid packets are dissected correctly. To do so, a tc-flower rule is added to drop packets on UDP src port 9, and packets are sent from ports 8, 9, and 10. Only the packets on port 9 should be dropped. Because tc-flower relies on the flow dissector to match flows, correct classification demonstrates correct dissection. Also add support logic to load the BPF program and to inject the test packets. Signed-off-by: Petar Penkov <ppenkov@google.com> Signed-off-by: Willem de Bruijn <willemb@google.com> Signed-off-by: Alexei Starovoitov <ast@kernel.org>
36 lines
693 B
Bash
Executable file
36 lines
693 B
Bash
Executable file
#!/bin/bash
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# SPDX-License-Identifier: GPL-2.0
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#
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# setup tunnels for flow dissection test
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readonly SUFFIX="test_$(mktemp -u XXXX)"
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CONFIG="remote 127.0.0.2 local 127.0.0.1 dev lo"
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setup() {
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ip link add "ipip_${SUFFIX}" type ipip ${CONFIG}
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ip link add "gre_${SUFFIX}" type gre ${CONFIG}
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ip link add "sit_${SUFFIX}" type sit ${CONFIG}
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echo "tunnels before test:"
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ip tunnel show
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ip link set "ipip_${SUFFIX}" up
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ip link set "gre_${SUFFIX}" up
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ip link set "sit_${SUFFIX}" up
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}
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cleanup() {
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ip tunnel del "ipip_${SUFFIX}"
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ip tunnel del "gre_${SUFFIX}"
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ip tunnel del "sit_${SUFFIX}"
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echo "tunnels after test:"
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ip tunnel show
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}
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trap cleanup EXIT
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setup
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"$@"
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exit "$?"
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