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Date:   Sun, 19 Mar 2023 20:56:56 +0100
From:   Kal Conley <kal.conley@...tris.com>
To:     Björn Töpel <bjorn@...nel.org>,
        Magnus Karlsson <magnus.karlsson@...el.com>,
        Maciej Fijalkowski <maciej.fijalkowski@...el.com>,
        Jonathan Lemon <jonathan.lemon@...il.com>,
        Alexei Starovoitov <ast@...nel.org>,
        Daniel Borkmann <daniel@...earbox.net>,
        Andrii Nakryiko <andrii@...nel.org>,
        Martin KaFai Lau <martin.lau@...ux.dev>,
        Song Liu <song@...nel.org>, Yonghong Song <yhs@...com>,
        John Fastabend <john.fastabend@...il.com>,
        KP Singh <kpsingh@...nel.org>,
        Stanislav Fomichev <sdf@...gle.com>,
        Hao Luo <haoluo@...gle.com>, Jiri Olsa <jolsa@...nel.org>,
        Mykola Lysenko <mykolal@...com>, Shuah Khan <shuah@...nel.org>
Cc:     Kal Conley <kal.conley@...tris.com>, netdev@...r.kernel.org,
        bpf@...r.kernel.org, linux-kselftest@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: [PATCH bpf-next 3/3] selftests: xsk: Add tests for 8K and 9K frame sizes

Add tests:
- RUN_TO_COMPLETION_8K_FRAME_SIZE: frame_size=8192 (aligned)
- RUN_TO_COMPLETION_9K_FRAME_SIZE: frame_size=9000 (unaligned)

Signed-off-by: Kal Conley <kal.conley@...tris.com>
---
 tools/testing/selftests/bpf/xskxceiver.c | 24 ++++++++++++++++++++++++
 tools/testing/selftests/bpf/xskxceiver.h |  2 ++
 2 files changed, 26 insertions(+)

diff --git a/tools/testing/selftests/bpf/xskxceiver.c b/tools/testing/selftests/bpf/xskxceiver.c
index 7a47ef28fbce..f10ff8c5e9c5 100644
--- a/tools/testing/selftests/bpf/xskxceiver.c
+++ b/tools/testing/selftests/bpf/xskxceiver.c
@@ -1789,6 +1789,30 @@ 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_RUN_TO_COMPLETION_9K_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_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);
+		testapp_validate_traffic(test);
+		break;
 	case TEST_TYPE_RX_POLL:
 		test->ifobj_rx->use_poll = true;
 		test_spec_set_name(test, "POLL_RX");
diff --git a/tools/testing/selftests/bpf/xskxceiver.h b/tools/testing/selftests/bpf/xskxceiver.h
index 3e8ec7d8ec32..ff723b6d7852 100644
--- a/tools/testing/selftests/bpf/xskxceiver.h
+++ b/tools/testing/selftests/bpf/xskxceiver.h
@@ -70,6 +70,8 @@ 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_9K_FRAME,
 	TEST_TYPE_RUN_TO_COMPLETION_SINGLE_PKT,
 	TEST_TYPE_RX_POLL,
 	TEST_TYPE_TX_POLL,
-- 
2.39.2

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