netdev - [PATCH bpf-next 19/21] selftests/xsk: add metadata copy test for multi-buff

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Message-Id: <20230518180545.159100-20-maciej.fijalkowski@intel.com>
Date: Thu, 18 May 2023 20:05:43 +0200
From: Maciej Fijalkowski <maciej.fijalkowski@...el.com>
To: bpf@...r.kernel.org,
	ast@...nel.org,
	daniel@...earbox.net,
	andrii@...nel.org
Cc: netdev@...r.kernel.org,
	magnus.karlsson@...el.com,
	tirthendu.sarkar@...el.com,
	maciej.fijalkowski@...el.com,
	bjorn@...nel.org
Subject: [PATCH bpf-next 19/21] selftests/xsk: add metadata copy test for multi-buff

From: Magnus Karlsson <magnus.karlsson@...el.com>

Enable the already existing metadata copy test to also run in
multi-buffer mode with 9K packets.

Signed-off-by: Magnus Karlsson <magnus.karlsson@...el.com>
---
 tools/testing/selftests/bpf/progs/xsk_xdp_progs.c | 2 +-
 tools/testing/selftests/bpf/xskxceiver.c          | 7 ++++++-
 tools/testing/selftests/bpf/xskxceiver.h          | 1 +
 3 files changed, 8 insertions(+), 2 deletions(-)

diff --git a/tools/testing/selftests/bpf/progs/xsk_xdp_progs.c b/tools/testing/selftests/bpf/progs/xsk_xdp_progs.c
index ac76e7363776..24369f242853 100644
--- a/tools/testing/selftests/bpf/progs/xsk_xdp_progs.c
+++ b/tools/testing/selftests/bpf/progs/xsk_xdp_progs.c
@@ -29,7 +29,7 @@ SEC("xdp.frags") int xsk_xdp_drop(struct xdp_md *xdp)
 	return bpf_redirect_map(&xsk, 0, XDP_DROP);
 }
 
-SEC("xdp") int xsk_xdp_populate_metadata(struct xdp_md *xdp)
+SEC("xdp.frags") int xsk_xdp_populate_metadata(struct xdp_md *xdp)
 {
 	void *data, *data_meta;
 	struct xdp_info *meta;
diff --git a/tools/testing/selftests/bpf/xskxceiver.c b/tools/testing/selftests/bpf/xskxceiver.c
index 1e1e9422ca0a..658e978053d4 100644
--- a/tools/testing/selftests/bpf/xskxceiver.c
+++ b/tools/testing/selftests/bpf/xskxceiver.c
@@ -1942,7 +1942,6 @@ static int testapp_xdp_metadata_count(struct test_spec *test)
 	int count = 0;
 	int key = 0;
 
-	test_spec_set_name(test, "XDP_METADATA_COUNT");
 	test_spec_set_xdp_prog(test, skel_rx->progs.xsk_xdp_populate_metadata,
 			       skel_tx->progs.xsk_xdp_populate_metadata,
 			       skel_rx->maps.xsk, skel_tx->maps.xsk);
@@ -2153,6 +2152,12 @@ static void run_pkt_test(struct test_spec *test, enum test_mode mode, enum test_
 		ret = testapp_xdp_drop(test);
 		break;
 	case TEST_TYPE_XDP_METADATA_COUNT:
+		test_spec_set_name(test, "XDP_METADATA_COUNT");
+		ret = testapp_xdp_metadata_count(test);
+		break;
+	case TEST_TYPE_XDP_METADATA_COUNT_MB:
+		test_spec_set_name(test, "XDP_METADATA_COUNT_MULTI_BUFF");
+		test->mtu = MAX_ETH_JUMBO_SIZE;
 		ret = testapp_xdp_metadata_count(test);
 		break;
 	default:
diff --git a/tools/testing/selftests/bpf/xskxceiver.h b/tools/testing/selftests/bpf/xskxceiver.h
index de781357ea15..786c2dfab7a6 100644
--- a/tools/testing/selftests/bpf/xskxceiver.h
+++ b/tools/testing/selftests/bpf/xskxceiver.h
@@ -88,6 +88,7 @@ enum test_type {
 	TEST_TYPE_BPF_RES,
 	TEST_TYPE_XDP_DROP_HALF,
 	TEST_TYPE_XDP_METADATA_COUNT,
+	TEST_TYPE_XDP_METADATA_COUNT_MB,
 	TEST_TYPE_RUN_TO_COMPLETION_MB,
 	TEST_TYPE_UNALIGNED_MB,
 	TEST_TYPE_ALIGNED_INV_DESC_MB,
-- 
2.34.1