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f7d109f176
Add a tdc test that checks the act_pedit extended L4 header mode does not edit a packet whose IPv4 protocol does not match the selected transport header. The test installs an ingress pedit rule that sets the UDP destination port, then injects a TCP packet with dport 2222. The UDP and TCP destination ports sit at the same L4 offset, so a buggy kernel rewrites the TCP dport. A second flower filter matches TCP dport 2222 and drops the packet through an indexed gact action; the test then verifies via JSON that this action saw exactly one packet, i.e. the dport was left untouched and still matched 2222. Signed-off-by: Victor Nogueira <victor@mojatatu.com> Signed-off-by: Jakub Kicinski <kuba@kernel.org>