Ah yes good catch. I guess it hasn't made it into bpf-next yet. On Thu, Jun 13, 2019 at 4:41 PM Stanislav Fomichev <sdf@xxxxxxxxxxx> wrote: > > On 06/13, Arthur Fabre wrote: > > Building the userspace part of the flow_dissector resulted in: > > > > prog_tests/flow_dissector.c: In function ‘tx_tap’: > > prog_tests/flow_dissector.c:176:9: warning: implicit declaration > > of function ‘writev’; did you mean ‘write’? [-Wimplicit-function-declaration] > > return writev(fd, iov, ARRAY_SIZE(iov)); > > ^~~~~~ > > write > > > > Include <sys/uio.h> to fix this. > Wasn't it fixed already? > > See > https://lore.kernel.org/netdev/20190528190218.GA6950@xxxxxxxxxxxxxxxxxxx-west-2.compute.internal/ > > > Signed-off-by: Arthur Fabre <afabre@xxxxxxxxxxxxxx> > > --- > > tools/testing/selftests/bpf/prog_tests/flow_dissector.c | 1 + > > 1 file changed, 1 insertion(+) > > > > diff --git a/tools/testing/selftests/bpf/prog_tests/flow_dissector.c b/tools/testing/selftests/bpf/prog_tests/flow_dissector.c > > index fbd1d88a6095..c938283ac232 100644 > > --- a/tools/testing/selftests/bpf/prog_tests/flow_dissector.c > > +++ b/tools/testing/selftests/bpf/prog_tests/flow_dissector.c > > @@ -3,6 +3,7 @@ > > #include <error.h> > > #include <linux/if.h> > > #include <linux/if_tun.h> > > +#include <sys/uio.h> > > > > #define CHECK_FLOW_KEYS(desc, got, expected) \ > > CHECK_ATTR(memcmp(&got, &expected, sizeof(got)) != 0, \ > > -- > > 2.20.1 > >
