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* selftests/bpf: Drop python client/server in favor of threadsAlexander Duyck2020-11-041-80/+0
| | | | | | | | | | | | | | | | | | | Drop the tcp_client/server.py files in favor of using a client and server thread within the test case. Specifically we spawn a new thread to play the role of the server, and the main testing thread plays the role of client. Add logic to the end of the run_test function to guarantee that the sockets are closed when we begin verifying results. Doing this we are able to reduce overhead since we don't have two python workers possibly floating around. In addition we don't have to worry about synchronization issues and as such the retry loop waiting for the threads to close the sockets can be dropped as we will have already closed the sockets in the local executable and synchronized the server thread. Signed-off-by: Alexander Duyck <[email protected]> Signed-off-by: Alexei Starovoitov <[email protected]> Link: https://lore.kernel.org/bpf/160443929638.1086697.2430242340980315521.stgit@localhost.localdomain
* bpf, selftests: use :: 1 for localhost in tcp_server.pyJohn Fastabend2020-07-281-1/+1
| | | | | | | | | | | | | | | Using localhost requires the host to have a /etc/hosts file with that specific line in it. By default my dev box did not, they used ip6-localhost, so the test was failing. To fix remove the need for any /etc/hosts and use ::1. I could just add the line, but this seems easier. Signed-off-by: John Fastabend <[email protected]> Signed-off-by: Daniel Borkmann <[email protected]> Acked-by: Song Liu <[email protected]> Acked-by: Andrii Nakryiko <[email protected]> Link: https://lore.kernel.org/bpf/159594714197.21431.10113693935099326445.stgit@john-Precision-5820-Tower
* selftests/bpf: use localhost in tcp_{server,client}.pyStanislav Fomichev2019-02-041-4/+1
| | | | | | | | | Bind and connect to localhost. There is no reason for this test to use non-localhost interface. This lets us run this test in a network namespace. Signed-off-by: Stanislav Fomichev <[email protected]> Signed-off-by: Daniel Borkmann <[email protected]>
* bpf: Add Python 3 support to selftests scripts for bpfJeremy Cline2018-07-251-8/+8
| | | | | | | | | | Adjust tcp_client.py and tcp_server.py to work with Python 3 by using the print function, marking string literals as bytes, and using the newer exception syntax. This should be functionally equivalent and supports Python 3+. Signed-off-by: Jeremy Cline <[email protected]> Signed-off-by: Daniel Borkmann <[email protected]>
* bpf: add selftest for tcpbpfLawrence Brakmo2018-01-261-0/+83
Added a selftest for tcpbpf (sock_ops) that checks that the appropriate callbacks occured and that it can access tcp_sock fields and that their values are correct. Run with command: ./test_tcpbpf_user Adding the flag "-d" will show why it did not pass. Signed-off-by: Lawrence Brakmo <[email protected]> Acked-by: Alexei Starovoitov <[email protected]> Signed-off-by: Alexei Starovoitov <[email protected]>