[PATCH v3 08/14] test/bpf: skip ELF test if null PMD disabled

[Stephen Hemminger <stephen@networkplumber.org>]

If null PMD is disabled, the test to load filter can not work
because it uses that. Change to skip the test if setup fails.

Fixes: 81038845c90b ("test/bpf: add Rx and Tx filtering")
Cc: stable@dpdk.org

Signed-off-by: Stephen Hemminger <stephen@networkplumber.org>
---
 app/test/test_bpf.c | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/app/test/test_bpf.c b/app/test/test_bpf.c
index 0e969f9f13..8bf783c00c 100644
--- a/app/test/test_bpf.c
+++ b/app/test/test_bpf.c
@@ -3441,7 +3441,11 @@ static int null_vdev_setup(const char *name, uint16_t *port, struct rte_mempool
 
 	/* Make a null device */
 	ret = rte_vdev_init(name, NULL);
-	TEST_ASSERT(ret == 0, "rte_vdev_init(%s) failed: %d", name, ret);
+	if (ret != 0) {
+		printf("rte_vdev_init(%s) failed: %d:%s\n",
+		       name, ret, strerror(-ret));
+		return -ENOTSUP;
+	}
 
 	ret = rte_eth_dev_get_port_by_name(name, port);
 	TEST_ASSERT(ret == 0, "failed to get port id for %s: %d", name, ret);
-- 
2.51.0