--- a/interface.c
+++ b/interface.c
@@ -226,6 +226,43 @@ nla_put_failure:
 	return 1;
 }
 
+static int parse_radio_list(char *str, struct nl_msg *msg)
+{
+	unsigned int mask = 0;
+	unsigned long id;
+	char *end;
+
+	if (!str)
+		return 1;
+
+	if (!strcmp(str, "all"))
+		goto out;
+
+	while (1) {
+		if (!*str)
+			return 1;
+
+		id = strtoul(str, &end, 0);
+		if (id > 31)
+			return 1;
+
+		mask |= 1 << id;
+		if (!*end)
+			break;
+
+		if (end == str || *end != ',')
+			return 1;
+
+		str = end + 1;
+	}
+
+out:
+	NLA_PUT_U32(msg, NL80211_ATTR_VIF_RADIO_MASK, mask);
+	return 0;
+nla_put_failure:
+	return 1;
+}
+
 static int handle_interface_add(struct nl80211_state *state,
 				struct nl_msg *msg,
 				int argc, char **argv,
@@ -287,6 +324,15 @@ try_another:
 				fprintf(stderr, "flags error\n");
 				return 2;
 			}
+		} else if (strcmp(argv[0], "radios") == 0) {
+			argc--;
+			argv++;
+			if (parse_radio_list(argv[0], msg)) {
+				fprintf(stderr, "Invalid radio list\n");
+				return 2;
+			}
+			argc--;
+			argv++;
 		} else {
 			return 1;
 		}
@@ -306,14 +352,14 @@ try_another:
  nla_put_failure:
 	return -ENOBUFS;
 }
-COMMAND(interface, add, "<name> type <type> [mesh_id <meshid>] [4addr on|off] [flags <flag>*] [addr <mac-addr>]",
+COMMAND(interface, add, "<name> type <type> [mesh_id <meshid>] [4addr on|off] [flags <flag>*] [addr <mac-addr>] [radios all|<id>[,<id>...]]",
 	NL80211_CMD_NEW_INTERFACE, 0, CIB_PHY, handle_interface_add,
 	"Add a new virtual interface with the given configuration.\n"
 	IFACE_TYPES "\n\n"
 	"The flags are only used for monitor interfaces, valid flags are:\n"
 	VALID_FLAGS "\n\n"
 	"The mesh_id is used only for mesh mode.");
-COMMAND(interface, add, "<name> type <type> [mesh_id <meshid>] [4addr on|off] [flags <flag>*] [addr <mac-addr>]",
+COMMAND(interface, add, "<name> type <type> [mesh_id <meshid>] [4addr on|off] [flags <flag>*] [addr <mac-addr>] [radios all|<id>[,<id>...]]",
 	NL80211_CMD_NEW_INTERFACE, 0, CIB_NETDEV, handle_interface_add, NULL);
 
 static int handle_interface_del(struct nl80211_state *state,
@@ -493,6 +539,19 @@ static int print_iface_handler(struct nl
 			printf("\n");
 		}
 	}
+
+	if (tb_msg[NL80211_ATTR_VIF_RADIO_MASK]) {
+		uint32_t mask = nla_get_u32(tb_msg[NL80211_ATTR_VIF_RADIO_MASK]);
+		int i;
+
+		if (mask) {
+			printf("%s\tRadios:", indent);
+			for (i = 0; mask; i++, mask >>= 1)
+				if (mask & 1)
+					printf(" %d", i);
+			printf("\n");
+		}
+	}
 
 	return NL_SKIP;
 }