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| author | Paul Chaignon <paul.chaignon@gmail.com> | 2023-11-06 19:59:51 +0100 |
|---|---|---|
| committer | Aleksandr Nogikh <nogikh@google.com> | 2023-11-09 18:26:45 +0000 |
| commit | 24206adf8c2510ab24ff5391c676da047e2523d0 (patch) | |
| tree | 40f2299354dc4ca0b40055a84574ae8ba747658f /sys/linux/test | |
| parent | db8894c2e1eb547c641b57d2dcfd61109d5af28a (diff) | |
sys/linux: describe ringbuf map creation
The corresponding test does the same as this map declaration:
struct {
__uint(type, BPF_MAP_TYPE_RINGBUF);
__uint(max_entries, 256 * 1024);
} rb SEC(".maps");
Signed-off-by: Paul Chaignon <paul.chaignon@gmail.com>
Diffstat (limited to 'sys/linux/test')
| -rw-r--r-- | sys/linux/test/bpf_helpers | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/sys/linux/test/bpf_helpers b/sys/linux/test/bpf_helpers index b625b68a2..246e903b0 100644 --- a/sys/linux/test/bpf_helpers +++ b/sys/linux/test/bpf_helpers @@ -20,3 +20,7 @@ r10 = bpf$MAP_CREATE_TAIL_CALL(AUTO, &AUTO={AUTO, AUTO, AUTO, AUTO, AUTO, 0x0, 0 r11 = bpf$MAP_UPDATE_ELEM_TAIL_CALL(AUTO, &AUTO={{r10, r10}, &AUTO=0x0, &AUTO=r4, AUTO}, 0x1c) r4 = bpf$PROG_LOAD(AUTO, &AUTO={0x3, AUTO, &AUTO=@framed={{AUTO, AUTO, AUTO, AUTO, 0x0, AUTO, AUTO, AUTO, 0x0}, [@tail_call={{AUTO, AUTO, AUTO, AUTO, r10, AUTO, AUTO, AUTO, AUTO}, {AUTO, AUTO, AUTO, AUTO, AUTO, AUTO, AUTO}, {AUTO, AUTO, AUTO, AUTO}, {AUTO, AUTO, AUTO, AUTO, AUTO, AUTO, AUTO}}], {AUTO, AUTO, AUTO, AUTO}}, &AUTO='GPL\x00', 0x0, 0x0, 0x0, 0x0, 0x0, "00000000000000000000000000000000", 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, 0xa0) + +# Prepare, load, and execute a BPF program that calls ringbuf helpers + +r1 = bpf$MAP_CREATE_RINGBUF(AUTO, &AUTO={AUTO, AUTO, AUTO, 0x40000, AUTO, 0x0, 0x0, "00000000000000000000000000000000", 0x0, 0x0, 0x0, 0x0, 0x0, AUTO}, 0x48) |