From: Martin Kelly Date: Mon, 25 Sep 2023 21:50:39 +0000 (-0700) Subject: selftests/bpf: Add tests for ring__avail_data_size X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=f3a01d385fbb9c76abfad8d104d08453f289e2d3;p=linux.git selftests/bpf: Add tests for ring__avail_data_size Add test for the new API ring__avail_data_size. Signed-off-by: Martin Kelly Signed-off-by: Andrii Nakryiko Link: https://lore.kernel.org/bpf/20230925215045.2375758-9-martin.kelly@crowdstrike.com --- diff --git a/tools/testing/selftests/bpf/prog_tests/ringbuf.c b/tools/testing/selftests/bpf/prog_tests/ringbuf.c index 994a36a2b5893..254b25b8614cf 100644 --- a/tools/testing/selftests/bpf/prog_tests/ringbuf.c +++ b/tools/testing/selftests/bpf/prog_tests/ringbuf.c @@ -92,7 +92,7 @@ static void ringbuf_subtest(void) int page_size = getpagesize(); void *mmap_ptr, *tmp_ptr; struct ring *ring; - unsigned long cons_pos, prod_pos; + unsigned long avail_data, cons_pos, prod_pos; skel = test_ringbuf_lskel__open(); if (CHECK(!skel, "skel_open", "skeleton open failed\n")) @@ -185,6 +185,8 @@ static void ringbuf_subtest(void) /* verify getting this data directly via the ring object yields the same * results */ + avail_data = ring__avail_data_size(ring); + ASSERT_EQ(avail_data, 3 * rec_sz, "ring_avail_size"); cons_pos = ring__consumer_pos(ring); ASSERT_EQ(cons_pos, 0, "ring_cons_pos"); prod_pos = ring__producer_pos(ring);