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Michal Luczaj says: ==================== selftests/bpf: Test sockmap/sockhash redirection The idea behind this series is to comprehensively test the BPF redirection: BPF_MAP_TYPE_SOCKMAP, BPF_MAP_TYPE_SOCKHASH x sk_msg-to-egress, sk_msg-to-ingress, sk_skb-to-egress, sk_skb-to-ingress x AF_INET, SOCK_STREAM, AF_INET6, SOCK_STREAM, AF_INET, SOCK_DGRAM, AF_INET6, SOCK_DGRAM, AF_UNIX, SOCK_STREAM, AF_UNIX, SOCK_DGRAM, AF_VSOCK, SOCK_STREAM, AF_VSOCK, SOCK_SEQPACKET New module is introduced, sockmap_redir: all supported and unsupported redirect combinations are tested for success and failure respectively. Code is pretty much stolen/adapted from Jakub Sitnicki's sockmap_redir_matrix.c [1]. Usage: $ cd tools/testing/selftests/bpf $ make $ sudo ./test_progs -t sockmap_redir ... Summary: 1/576 PASSED, 0 SKIPPED, 0 FAILED [1]: https://github.com/jsitnicki/sockmap-redir-matrix/blob/main/sockmap_redir_matrix.c Changes in v3: - Drop unrelated changes; sockmap_listen, test_sockmap_listen, doc - Collect tags [Jakub, John] - Introduce BPF verdict programs especially for sockmap_redir [Jiayuan] - Link to v2: https://lore.kernel.org/r/20250411-selftests-sockmap-redir-v2-0-5f9b018d6704@rbox.co Changes in v2: - Verify that the unsupported redirect combos do fail [Jakub] - Dedup tests in sockmap_listen - Cosmetic changes and code reordering - Link to v1: https://lore.kernel.org/bpf/42939687-20f9-4a45-b7c2-342a0e11a014@rbox.co/ ==================== Link: https://patch.msgid.link/20250515-selftests-sockmap-redir-v3-0-a1ea723f7e7e@rbox.co Signed-off-by: Martin KaFai Lau <martin.lau@kernel.org> |
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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 reStructuredText markup notation.
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.