Re: [PATCH 2/5] libbpf: add missing typedef

From: Matteo Croce
Date: Mon May 20 2019 - 13:46:47 EST


On Mon, May 20, 2019 at 6:53 PM Stanislav Fomichev <sdf@xxxxxxxxxxx> wrote:
>
> On 05/18, Matteo Croce wrote:
> > Sync tools/include/linux/types.h with the UAPI one to fix this build error:
> >
> > make -C samples/bpf/../../tools/lib/bpf/ RM='rm -rf' LDFLAGS= srctree=samples/bpf/../../ O=
> > HOSTCC samples/bpf/sock_example
> > In file included from samples/bpf/sock_example.c:27:
> > /usr/include/linux/ip.h:102:2: error: unknown type name â__sum16â
> > 102 | __sum16 check;
> > | ^~~~~~~
> > make[2]: *** [scripts/Makefile.host:92: samples/bpf/sock_example] Error 1
> > make[1]: *** [Makefile:1763: samples/bpf/] Error 2
> >
> > Signed-off-by: Matteo Croce <mcroce@xxxxxxxxxx>
> > ---
> > tools/include/linux/types.h | 3 +++
> > 1 file changed, 3 insertions(+)
> >
> > diff --git a/tools/include/linux/types.h b/tools/include/linux/types.h
> > index 154eb4e3ca7c..5266dbfee945 100644
> > --- a/tools/include/linux/types.h
> > +++ b/tools/include/linux/types.h
> > @@ -58,6 +58,9 @@ typedef __u32 __bitwise __be32;
> > typedef __u64 __bitwise __le64;
> > typedef __u64 __bitwise __be64;
> >
> > +typedef __u16 __bitwise __sum16;
> > +typedef __u32 __bitwise __wsum;
> If you do that, you should probably remove 'typedef __u16 __sum16;'
> from test_progs.h:
>
> https://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf.git/tree/tools/testing/selftests/bpf/test_progs.h#n13
>
> > +
> > typedef struct {
> > int counter;
> > } atomic_t;
> > --
> > 2.21.0
> >

Hi,

I see test_progs.h only included in tools/testing/selftests/bpf/prog_tests/*,
so maybe it's unreladed to my change in samples/bpf/.
Maybe in a different patchset.

Bye,
--
Matteo Croce
per aspera ad upstream