[bpf-next,v5,4/4] selftests: xsk: Add tests for 8K and 9K frame sizes

Commit Message

Kal Cutter Conley April 10, 2023, 12:06 p.m. UTC

Add tests:
- RUN_TO_COMPLETION_8K_FRAME_SIZE: frame_size=8192 (aligned)
- UNALIGNED_9K_FRAME_SIZE: frame_size=9000 (unaligned)

Signed-off-by: Kal Conley <[e-mail]>
---
 tools/testing/selftests/bpf/xskxceiver.c | 25 ++++++++++++++++++++++++
 tools/testing/selftests/bpf/xskxceiver.h |  2 ++
 2 files changed, 27 insertions(+)

Patch

diff --git a/tools/testing/selftests/bpf/xskxceiver.c b/tools/testing/selftests/bpf/xskxceiver.c
index 7eccf57a0ccc..86797de7fc50 100644
--- a/tools/testing/selftests/bpf/xskxceiver.c
+++ b/tools/testing/selftests/bpf/xskxceiver.c
@@ -1841,6 +1841,17 @@  static void run_pkt_test(struct test_spec *test, enum test_mode mode, enum test_
 		pkt_stream_replace(test, DEFAULT_PKT_CNT, PKT_SIZE);
 		testapp_validate_traffic(test);
 		break;
+	case TEST_TYPE_RUN_TO_COMPLETION_8K_FRAME:
+		if (!hugepages_present(test->ifobj_tx)) {
+			ksft_test_result_skip("No 2M huge pages present.\n");
+			return;
+		}
+		test_spec_set_name(test, "RUN_TO_COMPLETION_8K_FRAME_SIZE");
+		test->ifobj_tx->umem->frame_size = 8192;
+		test->ifobj_rx->umem->frame_size = 8192;
+		pkt_stream_replace(test, DEFAULT_PKT_CNT, PKT_SIZE);
+		testapp_validate_traffic(test);
+		break;
 	case TEST_TYPE_RX_POLL:
 		test->ifobj_rx->use_poll = true;
 		test_spec_set_name(test, "POLL_RX");
@@ -1904,6 +1915,20 @@  static void run_pkt_test(struct test_spec *test, enum test_mode mode, enum test_
 		if (!testapp_unaligned(test))
 			return;
 		break;
+	case TEST_TYPE_UNALIGNED_9K_FRAME:
+		if (!hugepages_present(test->ifobj_tx)) {
+			ksft_test_result_skip("No 2M huge pages present.\n");
+			return;
+		}
+		test_spec_set_name(test, "UNALIGNED_9K_FRAME_SIZE");
+		test->ifobj_tx->umem->frame_size = 9000;
+		test->ifobj_rx->umem->frame_size = 9000;
+		test->ifobj_tx->umem->unaligned_mode = true;
+		test->ifobj_rx->umem->unaligned_mode = true;
+		pkt_stream_replace(test, DEFAULT_PKT_CNT, PKT_SIZE);
+		test->ifobj_rx->pkt_stream->use_addr_for_fill = true;
+		testapp_validate_traffic(test);
+		break;
 	case TEST_TYPE_HEADROOM:
 		testapp_headroom(test);
 		break;
diff --git a/tools/testing/selftests/bpf/xskxceiver.h b/tools/testing/selftests/bpf/xskxceiver.h
index 919327807a4e..7f52f737f5e9 100644
--- a/tools/testing/selftests/bpf/xskxceiver.h
+++ b/tools/testing/selftests/bpf/xskxceiver.h
@@ -69,12 +69,14 @@  enum test_mode {
 enum test_type {
 	TEST_TYPE_RUN_TO_COMPLETION,
 	TEST_TYPE_RUN_TO_COMPLETION_2K_FRAME,
+	TEST_TYPE_RUN_TO_COMPLETION_8K_FRAME,
 	TEST_TYPE_RUN_TO_COMPLETION_SINGLE_PKT,
 	TEST_TYPE_RX_POLL,
 	TEST_TYPE_TX_POLL,
 	TEST_TYPE_POLL_RXQ_TMOUT,
 	TEST_TYPE_POLL_TXQ_TMOUT,
 	TEST_TYPE_UNALIGNED,
+	TEST_TYPE_UNALIGNED_9K_FRAME,
 	TEST_TYPE_ALIGNED_INV_DESC,
 	TEST_TYPE_ALIGNED_INV_DESC_2K_FRAME,
 	TEST_TYPE_UNALIGNED_INV_DESC,