selftests: bpf: Test iterating a sockmap

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Add a test that exercises a basic sockmap / sockhash iteration. For
now we simply count the number of elements seen. Once sockmap update
from iterators works we can extend this to perform a full copy.

Signed-off-by: Lorenz Bauer <lmb@cloudflare.com>
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Link: https://lore.kernel.org/bpf/20200909162712.221874-4-lmb@cloudflare.com

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Lorenz Bauer 2020-09-09 17:27:12 +01:00 • committed by Alexei Starovoitov

parent 0365351524

commit 2f7de9865b

4 changed files with 144 additions and 0 deletions

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89

tools/testing/selftests/bpf/prog_tests/sockmap_basic.c

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9

tools/testing/selftests/bpf/progs/bpf_iter.h

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43

tools/testing/selftests/bpf/progs/bpf_iter_sockmap.c

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3

tools/testing/selftests/bpf/progs/bpf_iter_sockmap.h

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