On Wed, Aug 23, 2023 at 2:45 AM Eduard Zingerman <eddyz87@xxxxxxxxx> wrote: > > On Mon, 2023-08-21 at 15:45 -0700, Alexei Starovoitov wrote: > [...] > > > diff --git a/tools/testing/selftests/bpf/progs/test_tc_bpf.c b/tools/testing/selftests/bpf/progs/test_tc_bpf.c > > > index d28ca8d..3e0f218 100644 > > > --- a/tools/testing/selftests/bpf/progs/test_tc_bpf.c > > > +++ b/tools/testing/selftests/bpf/progs/test_tc_bpf.c > > > @@ -1,5 +1,8 @@ > > > // SPDX-License-Identifier: GPL-2.0 > > > > > > +#include <linux/pkt_cls.h> > > > +#include <linux/ip.h> > > > +#include <linux/if_ether.h> > > > > Due to above it fails to compile: > > > > In file included from progs/test_tc_bpf.c:4: > > In file included from /usr/include/linux/ip.h:21: > > In file included from /usr/include/asm/byteorder.h:5: > > In file included from /usr/include/linux/byteorder/little_endian.h:13: > > /usr/include/linux/swab.h:136:8: error: unknown type name '__always_inline' > > 136 | static __always_inline unsigned long __swab(const unsigned long y) > > | ^ > > > > This is strange, I can compile it no problem. On my system: > /usr/include/linux/swab.h includes /usr/include/linux/stddef.h > which defines __always_inline. > > What distro are you using? That was centos8. dnf provides /usr/include/linux/swab.h kernel-headers-6.4.3.x86_64 : Header files for the Linux kernel for use by glibc Repo : kernel Matched from: Filename : /usr/include/linux/swab.h
