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path: root/samples/bpf/tcp_cong_kern.c
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2020-01-20samples/bpf: Use consistent include paths for libbpfToke Høiland-Jørgensen
Fix all files in samples/bpf to include libbpf header files with the bpf/ prefix, to be consistent with external users of the library. Also ensure that all includes of exported libbpf header files (those that are exported on 'make install' of the library) use bracketed includes instead of quoted. To make sure no new files are introduced that doesn't include the bpf/ prefix in its include, remove tools/lib/bpf from the include path entirely, and use tools/lib instead. Fixes: 6910d7d3867a ("selftests/bpf: Ensure bpf_helper_defs.h are taken from selftests dir") Signed-off-by: Toke Høiland-Jørgensen <toke@redhat.com> Signed-off-by: Alexei Starovoitov <ast@kernel.org> Acked-by: Jesper Dangaard Brouer <brouer@redhat.com> Acked-by: Andrii Nakryiko <andriin@fb.com> Link: https://lore.kernel.org/bpf/157952560911.1683545.8795966751309534150.stgit@toke.dk
2019-05-24samples: bpf: Do not define bpf_printk macroMichal Rostecki
The bpf_printk macro was moved to bpf_helpers.h which is included in all example programs. Signed-off-by: Michal Rostecki <mrostecki@opensuse.org> Signed-off-by: Alexei Starovoitov <ast@kernel.org>
2019-03-01samples: bpf: remove load_sock_ops in favour of bpftoolJakub Kicinski
bpftool can do all the things load_sock_ops used to do, and more. Point users to bpftool instead of maintaining this sample utility. Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com> Reviewed-by: Quentin Monnet <quentin.monnet@netronome.com> Acked-by: Andrii Nakryiko <andriin@fb.com> Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
2017-11-11bpf: Fix tcp_cong_kern.c sample programLawrence Brakmo
The program was returning -1 in some cases which is not allowed by the verifier any longer. Fixes: 390ee7e29fc8 ("bpf: enforce return code for cgroup-bpf programs") Signed-off-by: Lawrence Brakmo <brakmo@fb.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-07-01bpf: Sample BPF program to set congestion controlLawrence Brakmo
Sample BPF program that sets congestion control to dctcp when both hosts are within the same datacenter. In this example that is assumed to be when they have the first 5.5 bytes of their IPv6 address are the same. Signed-off-by: Lawrence Brakmo <brakmo@fb.com> Signed-off-by: David S. Miller <davem@davemloft.net>