selftests: Set default protocol for raw sockets in nettest

IPPROTO_IP (0) is not valid for raw sockets. Default the protocol for
raw sockets to IPPROTO_RAW if the protocol has not been set via the -P
option.

Signed-off-by: David Ahern <dsahern@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/tools/testing/selftests/net/nettest.c b/tools/testing/selftests/net/nettest.c
index 93208ca..f75c53c 100644 (file)
--- a/tools/testing/selftests/net/nettest.c
+++ b/tools/testing/selftests/net/nettest.c
@@ -1667,6 +1667,8 @@ int main(int argc, char *argv[])
                case 'R':
                        args.type = SOCK_RAW;
                        args.port = 0;
+                       if (!args.protocol)
+                               args.protocol = IPPROTO_RAW;
                        break;
                case 'P':
                        pe = getprotobyname(optarg);