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 ‘__sum16’ > 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 >