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| author | Paul Chaignon <paul.chaignon@gmail.com> | 2023-11-07 20:41:30 +0100 |
|---|---|---|
| committer | Aleksandr Nogikh <nogikh@google.com> | 2023-11-09 18:26:45 +0000 |
| commit | ec3b566eb26bbe8fa4cf8a9f8625712a21286bf7 (patch) | |
| tree | 5a138eb5cf00fcd632f8ebd4460c83531307eafc /sys/linux/test | |
| parent | b642300f6a70aa7ee47406afa523da855fee4e59 (diff) | |
sys/linux: describe BPF helper call to bpf_ringbuf_query
This BPF helper has the prototype:
bpf_ringbuf_query(void *ringbuf, u64 flags)
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 f8ef4a2cd..b8472113f 100644 --- a/sys/linux/test/bpf_helpers +++ b/sys/linux/test/bpf_helpers @@ -26,3 +26,7 @@ r4 = bpf$PROG_LOAD(AUTO, &AUTO={0x3, AUTO, &AUTO=@framed={{AUTO, AUTO, AUTO, AUT r1 = bpf$MAP_CREATE_RINGBUF(AUTO, &AUTO={AUTO, AUTO, AUTO, 0x40000, AUTO, 0x0, 0x0, "00000000000000000000000000000000", 0x0, 0x0, 0x0, 0x0, 0x0, AUTO}, 0x48) r2 = bpf$PROG_LOAD(AUTO, &AUTO={0x3, AUTO, &AUTO=@ringbuf={{AUTO, AUTO, AUTO, AUTO, 0x0, AUTO, AUTO, AUTO, 0x0}, {{AUTO, AUTO, AUTO, AUTO, r1, AUTO, AUTO, AUTO, AUTO}, {AUTO, AUTO, AUTO, AUTO, AUTO, AUTO, AUTO}, {AUTO, AUTO, AUTO, AUTO, AUTO, AUTO, AUTO}, {AUTO, AUTO, AUTO, AUTO}, {AUTO, AUTO, AUTO, AUTO, AUTO, AUTO, AUTO}}, {{AUTO, AUTO, AUTO, AUTO, AUTO, AUTO, AUTO}, {AUTO, AUTO, AUTO, AUTO}}, [], {{AUTO, AUTO, AUTO, AUTO, AUTO, AUTO, AUTO}, {AUTO, AUTO, AUTO, AUTO, AUTO, AUTO, AUTO}, {AUTO, AUTO, AUTO, 0x84}, {AUTO, AUTO, AUTO, AUTO, AUTO, AUTO, AUTO}}, {AUTO, AUTO, AUTO, AUTO}}, &AUTO='GPL\x00', 0x0, 0x0, 0x0, 0x0, 0x0, "00000000000000000000000000000000", 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, 0xa0) + +# Prepare, load, and execute a BPF program that calls bpf_ringbuf_query + +r3 = bpf$PROG_LOAD(AUTO, &AUTO={0x3, AUTO, &AUTO=@framed={{AUTO, AUTO, AUTO, AUTO, 0x0, AUTO, AUTO, AUTO, 0x0}, [@ringbuf_query={{AUTO, AUTO, AUTO, AUTO, r1, 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) |