diff mbox series

[bpf-next,17/21] selftests/xsk: add unaligned mode test for multi-buffer

Message ID 20230518180545.159100-18-maciej.fijalkowski@intel.com (mailing list archive)
State Superseded
Delegated to: BPF
Headers show
Series xsk: multi-buffer support | expand

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netdev/series_format fail Series longer than 15 patches (and no cover letter)
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netdev/header_inline success No static functions without inline keyword in header files
netdev/build_32bit success Errors and warnings before: 8 this patch: 8
netdev/cc_maintainers warning 12 maintainers not CCed: yhs@fb.com kpsingh@kernel.org martin.lau@linux.dev john.fastabend@gmail.com sdf@google.com shuah@kernel.org song@kernel.org mykolal@fb.com linux-kselftest@vger.kernel.org jonathan.lemon@gmail.com jolsa@kernel.org haoluo@google.com
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netdev/check_selftest success No net selftest shell script
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Commit Message

Maciej Fijalkowski May 18, 2023, 6:05 p.m. UTC 
From: Magnus Karlsson <magnus.karlsson@intel.com>

Add a test for multi-buffer AF_XDP when using unaligned mode. The test
sends 4096 9K-buffers.

Signed-off-by: Magnus Karlsson <magnus.karlsson@intel.com>
---
 tools/testing/selftests/bpf/xskxceiver.c | 15 +++++++++++++++
 tools/testing/selftests/bpf/xskxceiver.h |  1 +
 2 files changed, 16 insertions(+)
diff mbox series

Patch

diff --git a/tools/testing/selftests/bpf/xskxceiver.c b/tools/testing/selftests/bpf/xskxceiver.c
index 41b8450561c9..8ad98eda90ad 100644
--- a/tools/testing/selftests/bpf/xskxceiver.c
+++ b/tools/testing/selftests/bpf/xskxceiver.c
@@ -50,6 +50,8 @@ 
  *       are discarded and let through, respectively.
  *    i. 2K frame size tests
  *    j. If multi-buffer is supported, send 9k packets divided into 3 frames
+ *    k. If multi-buffer and huge pages are supported, send 9k packets in a single frame
+ *       using unaligned mode
  *
  * Total tests: 12
  *
@@ -1754,6 +1756,16 @@  static int testapp_unaligned(struct test_spec *test)
 	return testapp_validate_traffic(test);
 }
 
+static int testapp_unaligned_mb(struct test_spec *test)
+{
+	test_spec_set_name(test, "UNALIGNED_MODE_9K");
+	test->mtu = MAX_ETH_JUMBO_SIZE;
+	test->ifobj_tx->umem->unaligned_mode = true;
+	test->ifobj_rx->umem->unaligned_mode = true;
+	pkt_stream_replace(test, DEFAULT_PKT_CNT, MAX_ETH_JUMBO_SIZE);
+	return testapp_validate_traffic(test);
+}
+
 static int testapp_single_pkt(struct test_spec *test)
 {
 	struct pkt pkts[] = {{0, MIN_PKT_SIZE, 0, true}};
@@ -2028,6 +2040,9 @@  static void run_pkt_test(struct test_spec *test, enum test_mode mode, enum test_
 	case TEST_TYPE_UNALIGNED:
 		ret = testapp_unaligned(test);
 		break;
+	case TEST_TYPE_UNALIGNED_MB:
+		ret = testapp_unaligned_mb(test);
+		break;
 	case TEST_TYPE_HEADROOM:
 		ret = testapp_headroom(test);
 		break;
diff --git a/tools/testing/selftests/bpf/xskxceiver.h b/tools/testing/selftests/bpf/xskxceiver.h
index c2091b1512f5..42bde17e8d17 100644
--- a/tools/testing/selftests/bpf/xskxceiver.h
+++ b/tools/testing/selftests/bpf/xskxceiver.h
@@ -86,6 +86,7 @@  enum test_type {
 	TEST_TYPE_XDP_DROP_HALF,
 	TEST_TYPE_XDP_METADATA_COUNT,
 	TEST_TYPE_RUN_TO_COMPLETION_MB,
+	TEST_TYPE_UNALIGNED_MB,
 	TEST_TYPE_MAX
 };