diff options
| -rw-r--r-- | tools/testing/selftests/net/lib/xdp_helper.c | 20 |
1 files changed, 15 insertions, 5 deletions
diff --git a/tools/testing/selftests/net/lib/xdp_helper.c b/tools/testing/selftests/net/lib/xdp_helper.c index 6327863cafa6..eb025a9f35b1 100644 --- a/tools/testing/selftests/net/lib/xdp_helper.c +++ b/tools/testing/selftests/net/lib/xdp_helper.c @@ -38,6 +38,7 @@ int main(int argc, char **argv) struct sockaddr_xdp sxdp = { 0 }; int num_desc = NUM_DESC; void *umem_area; + int retry = 0; int ifindex; int sock_fd; int queue; @@ -102,11 +103,20 @@ int main(int argc, char **argv) } } - if (bind(sock_fd, (struct sockaddr *)&sxdp, sizeof(sxdp)) != 0) { - munmap(umem_area, UMEM_SZ); - perror("bind failed"); - close(sock_fd); - return 1; + while (1) { + if (bind(sock_fd, (struct sockaddr *)&sxdp, sizeof(sxdp)) == 0) + break; + + if (errno == EBUSY && retry < 3) { + retry++; + sleep(1); + continue; + } else { + perror("bind failed"); + munmap(umem_area, UMEM_SZ); + close(sock_fd); + return 1; + } } ksft_ready(); |