diff options
| author | Martin Kelly <martin.kelly@crowdstrike.com> | 2023-09-26 00:50:40 +0300 |
|---|---|---|
| committer | Andrii Nakryiko <andrii@kernel.org> | 2023-09-26 02:22:43 +0300 |
| commit | e79abf717fce6439022547124571dfe17f2ac15a (patch) | |
| tree | d677165172cc96d059ac7fc0ac61db88f7eccb05 /tools/lib/bpf/ringbuf.c | |
| parent | f3a01d385fbb9c76abfad8d104d08453f289e2d3 (diff) | |
| download | linux-e79abf717fce6439022547124571dfe17f2ac15a.tar.xz | |
libbpf: Add ring__size
Add ring__size to get the total size of a given ringbuffer.
Signed-off-by: Martin Kelly <martin.kelly@crowdstrike.com>
Signed-off-by: Andrii Nakryiko <andrii@kernel.org>
Link: https://lore.kernel.org/bpf/20230925215045.2375758-10-martin.kelly@crowdstrike.com
Diffstat (limited to 'tools/lib/bpf/ringbuf.c')
| -rw-r--r-- | tools/lib/bpf/ringbuf.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/tools/lib/bpf/ringbuf.c b/tools/lib/bpf/ringbuf.c index 07fbc6adcdd9..98d0767dbb50 100644 --- a/tools/lib/bpf/ringbuf.c +++ b/tools/lib/bpf/ringbuf.c @@ -361,6 +361,11 @@ size_t ring__avail_data_size(const struct ring *r) return prod_pos - cons_pos; } +size_t ring__size(const struct ring *r) +{ + return r->mask + 1; +} + static void user_ringbuf_unmap_ring(struct user_ring_buffer *rb) { if (rb->consumer_pos) { |