From 7a2050df244e2c9a4e90882052b7907450ad10ed Mon Sep 17 00:00:00 2001 From: Kal Conley Date: Mon, 3 Apr 2023 16:50:46 +0200 Subject: [PATCH] selftests: xsk: Use correct UMEM size in testapp_invalid_desc Avoid UMEM_SIZE macro in testapp_invalid_desc which is incorrect when the frame size is not XSK_UMEM__DEFAULT_FRAME_SIZE. Also remove the macro since it's no longer being used. Fixes: 909f0e28207c ("selftests: xsk: Add tests for 2K frame size") Signed-off-by: Kal Conley Acked-by: Magnus Karlsson Link: https://lore.kernel.org/r/20230403145047.33065-2-kal.conley@dectris.com Signed-off-by: Martin KaFai Lau --- tools/testing/selftests/bpf/xskxceiver.c | 9 +++++---- tools/testing/selftests/bpf/xskxceiver.h | 1 - 2 files changed, 5 insertions(+), 5 deletions(-) diff --git a/tools/testing/selftests/bpf/xskxceiver.c b/tools/testing/selftests/bpf/xskxceiver.c index b65e064..3956f5d 100644 --- a/tools/testing/selftests/bpf/xskxceiver.c +++ b/tools/testing/selftests/bpf/xskxceiver.c @@ -1652,6 +1652,7 @@ static void testapp_single_pkt(struct test_spec *test) static void testapp_invalid_desc(struct test_spec *test) { + u64 umem_size = test->ifobj_tx->umem->num_frames * test->ifobj_tx->umem->frame_size; struct pkt pkts[] = { /* Zero packet address allowed */ {0, PKT_SIZE, 0, true}, @@ -1662,9 +1663,9 @@ static void testapp_invalid_desc(struct test_spec *test) /* Packet too large */ {0x2000, XSK_UMEM__INVALID_FRAME_SIZE, 0, false}, /* After umem ends */ - {UMEM_SIZE, PKT_SIZE, 0, false}, + {umem_size, PKT_SIZE, 0, false}, /* Straddle the end of umem */ - {UMEM_SIZE - PKT_SIZE / 2, PKT_SIZE, 0, false}, + {umem_size - PKT_SIZE / 2, PKT_SIZE, 0, false}, /* Straddle a page boundrary */ {0x3000 - PKT_SIZE / 2, PKT_SIZE, 0, false}, /* Straddle a 2K boundrary */ @@ -1682,8 +1683,8 @@ static void testapp_invalid_desc(struct test_spec *test) } if (test->ifobj_tx->shared_umem) { - pkts[4].addr += UMEM_SIZE; - pkts[5].addr += UMEM_SIZE; + pkts[4].addr += umem_size; + pkts[5].addr += umem_size; } pkt_stream_generate_custom(test, pkts, ARRAY_SIZE(pkts)); diff --git a/tools/testing/selftests/bpf/xskxceiver.h b/tools/testing/selftests/bpf/xskxceiver.h index bdb4efe..cc24ab7 100644 --- a/tools/testing/selftests/bpf/xskxceiver.h +++ b/tools/testing/selftests/bpf/xskxceiver.h @@ -53,7 +53,6 @@ #define THREAD_TMOUT 3 #define DEFAULT_PKT_CNT (4 * 1024) #define DEFAULT_UMEM_BUFFERS (DEFAULT_PKT_CNT / 4) -#define UMEM_SIZE (DEFAULT_UMEM_BUFFERS * XSK_UMEM__DEFAULT_FRAME_SIZE) #define RX_FULL_RXQSIZE 32 #define UMEM_HEADROOM_TEST_SIZE 128 #define XSK_UMEM__INVALID_FRAME_SIZE (XSK_UMEM__DEFAULT_FRAME_SIZE + 1) -- 2.7.4