On Wed, Jul 24, 2019 at 4:10 PM Andrii Nakryiko
<andrii.nakryiko@xxxxxxxxx> wrote:
>
> On Wed, Jul 24, 2019 at 10:10 AM Brian Vazquez <brianvv@xxxxxxxxxx> wrote:
> >
> > Adds bpf_attr.dump structure to libbpf.
> >
> > Suggested-by: Stanislav Fomichev <sdf@xxxxxxxxxx>
> > Signed-off-by: Brian Vazquez <brianvv@xxxxxxxxxx>
> > ---
> > tools/include/uapi/linux/bpf.h | 9 +++++++++
> > tools/lib/bpf/libbpf.map | 2 ++
> > 2 files changed, 11 insertions(+)
> >
> > diff --git a/tools/include/uapi/linux/bpf.h b/tools/include/uapi/linux/bpf.h
> > index 4e455018da65f..e127f16e4e932 100644
> > --- a/tools/include/uapi/linux/bpf.h
> > +++ b/tools/include/uapi/linux/bpf.h
> > @@ -106,6 +106,7 @@ enum bpf_cmd {
> > BPF_TASK_FD_QUERY,
> > BPF_MAP_LOOKUP_AND_DELETE_ELEM,
> > BPF_MAP_FREEZE,
> > + BPF_MAP_DUMP,
> > };
> >
> > enum bpf_map_type {
> > @@ -388,6 +389,14 @@ union bpf_attr {
> > __u64 flags;
> > };
> >
> > + struct { /* struct used by BPF_MAP_DUMP command */
> > + __aligned_u64 prev_key;
> > + __aligned_u64 buf;
> > + __aligned_u64 buf_len; /* input/output: len of buf */
> > + __u64 flags;
> > + __u32 map_fd;
> > + } dump;
> > +
> > struct { /* anonymous struct used by BPF_PROG_LOAD command */
> > __u32 prog_type; /* one of enum bpf_prog_type */
> > __u32 insn_cnt;
> > diff --git a/tools/lib/bpf/libbpf.map b/tools/lib/bpf/libbpf.map
> > index f9d316e873d8d..cac3723d5c45c 100644
> > --- a/tools/lib/bpf/libbpf.map
> > +++ b/tools/lib/bpf/libbpf.map
> > @@ -183,4 +183,6 @@ LIBBPF_0.0.4 {
>
> LIBBPF_0.0.4 is closed, this needs to go into LIBBPF_0.0.5.
Sorry my bad, I didn't closely look at the rebase so this got it wrong.
>
> > perf_buffer__new;
> > perf_buffer__new_raw;
> > perf_buffer__poll;
> > + bpf_map_dump;
> > + bpf_map_dump_flags;
>
> As the general rule, please keep those lists of functions in alphabetical order.
right.
I will fix it in next version, thanks for reviewing it!
