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selftests/bpf: test_sockmap, fix data verification

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When data verification is enabled, some tests fail because verification is done
incorrectly. Following changes fix it.

- Identify the size of data block to be verified
- Reset verification counter when data block size is reached
- Fixed the value printed in case of verfication failure

Fixes: 16962b2404 ("bpf: sockmap, add selftests")
Acked-by: John Fastabend <john.fastabend@gmail.com>
Signed-off-by: Prashant Bhole <bhole_prashant_q7@lab.ntt.co.jp>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
This commit is contained in:
Prashant Bhole 2018-05-31 13:42:39 +09:00 committed by Daniel Borkmann
parent a009f1f396
commit d825e12f08
1 changed files with 13 additions and 1 deletions
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14
tools/testing/selftests/bpf/test_sockmap.c
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@ -337,8 +337,15 @@ static int msg_loop(int fd, int iov_count, int iov_length, int cnt,
int fd_flags = O_NONBLOCK;
struct timeval timeout;
float total_bytes;
int bytes_cnt = 0;
int chunk_sz;
fd_set w;
if (opt->sendpage)
chunk_sz = iov_length * cnt;
else
chunk_sz = iov_length * iov_count;
fcntl(fd, fd_flags);
total_bytes = (float)iov_count * (float)iov_length * (float)cnt;
err = clock_gettime(CLOCK_MONOTONIC, &s->start);
@ -393,9 +400,14 @@ static int msg_loop(int fd, int iov_count, int iov_length, int cnt,
errno = -EIO;
fprintf(stderr,
"detected data corruption @iov[%i]:%i %02x != %02x, %02x ?= %02x\n",
i, j, d[j], k - 1, d[j+1], k + 1);
i, j, d[j], k - 1, d[j+1], k);
goto out_errno;
}
bytes_cnt++;
if (bytes_cnt == chunk_sz) {
k = 0;
bytes_cnt = 0;
}
recv--;
}
}