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9be71aa6e5
test_sock_addr was not easy to extend since it was focused on sys_bind and sys_connect quite a bit. Reorganized it so that it'll be easier to cover new test-cases for `BPF_PROG_TYPE_CGROUP_SOCK_ADDR`: - decouple test-cases so that only one BPF prog is tested at a time; - check programmatically that local IP:port for sys_bind, source IP and destination IP:port for sys_connect are rewritten property by tested BPF programs. The output of new version: # test_sock_addr.sh 2>/dev/null Wait for testing IPv4/IPv6 to become available ... OK Test case: bind4: load prog with wrong expected attach type .. [PASS] Test case: bind4: attach prog with wrong attach type .. [PASS] Test case: bind4: rewrite IP & TCP port in .. [PASS] Test case: bind4: rewrite IP & UDP port in .. [PASS] Test case: bind6: load prog with wrong expected attach type .. [PASS] Test case: bind6: attach prog with wrong attach type .. [PASS] Test case: bind6: rewrite IP & TCP port in .. [PASS] Test case: bind6: rewrite IP & UDP port in .. [PASS] Test case: connect4: load prog with wrong expected attach type .. [PASS] Test case: connect4: attach prog with wrong attach type .. [PASS] Test case: connect4: rewrite IP & TCP port .. [PASS] Test case: connect4: rewrite IP & UDP port .. [PASS] Test case: connect6: load prog with wrong expected attach type .. [PASS] Test case: connect6: attach prog with wrong attach type .. [PASS] Test case: connect6: rewrite IP & TCP port .. [PASS] Test case: connect6: rewrite IP & UDP port .. [PASS] Summary: 16 PASSED, 0 FAILED (stderr contains errors from libbpf when testing load/attach with invalid arguments) Signed-off-by: Andrey Ignatov <rdna@fb.com> Acked-by: Alexei Starovoitov <ast@kernel.org> Acked-by: Martin KaFai Lau <kafai@fb.com> Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Linux kernel
============
There are several guides for kernel developers and users. These guides can
be rendered in a number of formats, like HTML and PDF. Please read
Documentation/admin-guide/README.rst first.
In order to build the documentation, use ``make htmldocs`` or
``make pdfdocs``. The formatted documentation can also be read online at:
https://www.kernel.org/doc/html/latest/
There are various text files in the Documentation/ subdirectory,
several of them using the Restructured Text markup notation.
See Documentation/00-INDEX for a list of what is contained in each file.
Please read the Documentation/process/changes.rst file, as it contains the
requirements for building and running the kernel, and information about
the problems which may result by upgrading your kernel.