v4.19.13 snapshot.
diff --git a/arch/um/drivers/pcap_user.h b/arch/um/drivers/pcap_user.h
new file mode 100644
index 0000000..1ca7c76
--- /dev/null
+++ b/arch/um/drivers/pcap_user.h
@@ -0,0 +1,21 @@
+/*
+ * Copyright (C) 2002 Jeff Dike (jdike@karaya.com)
+ * Licensed under the GPL
+ */
+
+#include <net_user.h>
+
+struct pcap_data {
+ char *host_if;
+ int promisc;
+ int optimize;
+ char *filter;
+ void *compiled;
+ void *pcap;
+ void *dev;
+};
+
+extern const struct net_user_info pcap_user_info;
+
+extern int pcap_user_read(int fd, void *buf, int len, struct pcap_data *pri);
+