提交 16edddfe 编写于 作者: P Prashant Bhole 提交者: Daniel Borkmann

selftests/bpf: test_sockmap, check test failure

Test failures are not identified because exit code of RX/TX threads
is not checked. Also threads are not returning correct exit code.

- Return exit code from threads depending on test execution status
- In main thread, check the exit code of RX/TX threads
- Skip error checking for corked tests as they are expected to timeout

Fixes: 16962b24 ("bpf: sockmap, add selftests")
Signed-off-by: NPrashant Bhole <bhole_prashant_q7@lab.ntt.co.jp>
Acked-by: NJohn Fastabend <john.fastabend@gmail.com>
Signed-off-by: NDaniel Borkmann <daniel@iogearbox.net>
上级 bcece5dc
......@@ -429,8 +429,8 @@ static int sendmsg_test(struct sockmap_options *opt)
struct msg_stats s = {0};
int iov_count = opt->iov_count;
int iov_buf = opt->iov_length;
int rx_status, tx_status;
int cnt = opt->rate;
int status;
errno = 0;
......@@ -442,7 +442,7 @@ static int sendmsg_test(struct sockmap_options *opt)
rxpid = fork();
if (rxpid == 0) {
if (opt->drop_expected)
exit(1);
exit(0);
if (opt->sendpage)
iov_count = 1;
......@@ -463,7 +463,9 @@ static int sendmsg_test(struct sockmap_options *opt)
"rx_sendmsg: TX: %zuB %fB/s %fGB/s RX: %zuB %fB/s %fGB/s\n",
s.bytes_sent, sent_Bps, sent_Bps/giga,
s.bytes_recvd, recvd_Bps, recvd_Bps/giga);
exit(1);
if (err && txmsg_cork)
err = 0;
exit(err ? 1 : 0);
} else if (rxpid == -1) {
perror("msg_loop_rx: ");
return errno;
......@@ -491,14 +493,27 @@ static int sendmsg_test(struct sockmap_options *opt)
"tx_sendmsg: TX: %zuB %fB/s %f GB/s RX: %zuB %fB/s %fGB/s\n",
s.bytes_sent, sent_Bps, sent_Bps/giga,
s.bytes_recvd, recvd_Bps, recvd_Bps/giga);
exit(1);
exit(err ? 1 : 0);
} else if (txpid == -1) {
perror("msg_loop_tx: ");
return errno;
}
assert(waitpid(rxpid, &status, 0) == rxpid);
assert(waitpid(txpid, &status, 0) == txpid);
assert(waitpid(rxpid, &rx_status, 0) == rxpid);
assert(waitpid(txpid, &tx_status, 0) == txpid);
if (WIFEXITED(rx_status)) {
err = WEXITSTATUS(rx_status);
if (err) {
fprintf(stderr, "rx thread exited with err %d. ", err);
goto out;
}
}
if (WIFEXITED(tx_status)) {
err = WEXITSTATUS(tx_status);
if (err)
fprintf(stderr, "tx thread exited with err %d. ", err);
}
out:
return err;
}
......
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