Commit 1005a226 authored by Magnus Karlsson's avatar Magnus Karlsson Committed by Alexei Starovoitov
Browse files

selftests/xsk: add unaligned mode test for multi-buffer 



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

Signed-off-by: default avatarMagnus Karlsson <magnus.karlsson@intel.com>
Link: https://lore.kernel.org/r/20230719132421.584801-21-maciej.fijalkowski@intel.com


Signed-off-by: default avatarAlexei Starovoitov <ast@kernel.org>
parent f540d44e

tools/testing/selftests/bpf/xskxceiver.c

+15 −0
Original line number Diff line number Diff line
@@ -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

 *
@@ -1761,6 +1763,16 @@ 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}};
@@ -2038,6 +2050,9 @@ 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;

tools/testing/selftests/bpf/xskxceiver.h

+1 −0
Original line number Diff line number Diff line
@@ -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

};