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test/vsock: MSG_ZEROCOPY flag tests

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This adds three tests for MSG_ZEROCOPY feature:
1) SOCK_STREAM tx with different buffers.
2) SOCK_SEQPACKET tx with different buffers.
3) SOCK_STREAM test to read empty error queue of the socket.

Patch also works as preparation for the next patches for tools in this
patchset: vsock_perf and vsock_uring_test:
1) Adds several new functions to util.c - they will be also used by
   vsock_uring_test.
2) Adds two new functions for MSG_ZEROCOPY handling to a new source
   file - such source will be shared between vsock_test, vsock_perf and
   vsock_uring_test, thus avoiding code copy-pasting.

Signed-off-by: Arseniy Krasnov <avkrasnov@salutedevices.com>
Reviewed-by: Stefano Garzarella <sgarzare@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Arseniy Krasnov
2023-10-10 22:15:22 +03:00
committed by David S. Miller
parent bac2cac12c
commit bc36442ef3
8 changed files with 633 additions and 1 deletions
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5
tools/testing/vsock/util.h
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@@ -53,4 +53,9 @@ void list_tests(const struct test_case *test_cases);
void skip_test(struct test_case *test_cases, size_t test_cases_len,
const char *test_id_str);
unsigned long hash_djb2(const void *data, size_t len);
size_t iovec_bytes(const struct iovec *iov, size_t iovnum);
unsigned long iovec_hash_djb2(const struct iovec *iov, size_t iovnum);
struct iovec *alloc_test_iovec(const struct iovec *test_iovec, int iovnum);
void free_test_iovec(const struct iovec *test_iovec,
struct iovec *iovec, int iovnum);
#endif /* UTIL_H */