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Add a test to bpf_offload.py for loading a devbound XDP program in
generic mode, checking that it fails correctly.
Signed-off-by: Toke Høiland-Jørgensen <toke@redhat.com>
Acked-by: Stanislav Fomichev <sdf@fomichev.me>
Link: https://patch.msgid.link/20250127131344.238147-2-toke@redhat.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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bpf_offload caught a spurious warning in TC recently, but the error
message did not provide enough information to know what the problem
is:
FAIL: Found 'netdevsim' in command output, leaky extack?
Add the extack to the output:
FAIL: Unexpected command output, leaky extack? ('netdevsim', 'Warning: Filter with specified priority/protocol not found.')
Acked-by: Stanislav Fomichev <sdf@fomichev.me>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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net/lib/py/nsim.py already contains the most useful parts
of the netdevsim wrapper classes. Reuse them.
Acked-by: Stanislav Fomichev <sdf@google.com>
Acked-by: Martin KaFai Lau <martin.lau@kernel.org>
Link: https://lore.kernel.org/r/20240409031549.3531084-5-kuba@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Non-ancient ip (iproute2-5.15.0, libbpf 0.7.0) refuses to load
the sample with maps because we don't generate BTF:
libbpf: BTF is required, but is missing or corrupted.
ERROR: opening BPF object file failed
Enable BTF by adding -g to clang flags. With that done
neither of the programs load:
libbpf: prog 'func': error relocating .BTF.ext function info: -22
libbpf: prog 'func': failed to relocate calls: -22
libbpf: failed to load object 'ksft-net-drv/net/sample_ret0.bpf.o'
Andrii explains that this is because we don't specify
section names for the code. Add the section names, too.
Acked-by: Alexei Starovoitov <ast@kernel.org>
Acked-by: Stanislav Fomichev <sdf@google.com>
Acked-by: Martin KaFai Lau <martin.lau@kernel.org>
Link: https://lore.kernel.org/r/20240409031549.3531084-4-kuba@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Maps are removed asynchronously. Either there's a bigger delay
now or the test has always been flaky. Retry waiting in the loop.
Acked-by: Stanislav Fomichev <sdf@google.com>
Acked-by: Martin KaFai Lau <martin.lau@kernel.org>
Link: https://lore.kernel.org/r/20240409031549.3531084-3-kuba@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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We're building more python tests on the netdev side, and some
of the classes from the venerable BPF offload tests can be reused.
Acked-by: Stanislav Fomichev <sdf@google.com>
Acked-by: Martin KaFai Lau <martin.lau@kernel.org>
Link: https://lore.kernel.org/r/20240409031549.3531084-2-kuba@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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