v4.19.13 snapshot.
diff --git a/include/uapi/linux/psample.h b/include/uapi/linux/psample.h
new file mode 100644
index 0000000..ce1116c
--- /dev/null
+++ b/include/uapi/linux/psample.h
@@ -0,0 +1,36 @@
+/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
+#ifndef __UAPI_PSAMPLE_H
+#define __UAPI_PSAMPLE_H
+
+enum {
+	/* sampled packet metadata */
+	PSAMPLE_ATTR_IIFINDEX,
+	PSAMPLE_ATTR_OIFINDEX,
+	PSAMPLE_ATTR_ORIGSIZE,
+	PSAMPLE_ATTR_SAMPLE_GROUP,
+	PSAMPLE_ATTR_GROUP_SEQ,
+	PSAMPLE_ATTR_SAMPLE_RATE,
+	PSAMPLE_ATTR_DATA,
+
+	/* commands attributes */
+	PSAMPLE_ATTR_GROUP_REFCOUNT,
+
+	__PSAMPLE_ATTR_MAX
+};
+
+enum psample_command {
+	PSAMPLE_CMD_SAMPLE,
+	PSAMPLE_CMD_GET_GROUP,
+	PSAMPLE_CMD_NEW_GROUP,
+	PSAMPLE_CMD_DEL_GROUP,
+};
+
+/* Can be overridden at runtime by module option */
+#define PSAMPLE_ATTR_MAX (__PSAMPLE_ATTR_MAX - 1)
+
+#define PSAMPLE_NL_MCGRP_CONFIG_NAME "config"
+#define PSAMPLE_NL_MCGRP_SAMPLE_NAME "packets"
+#define PSAMPLE_GENL_NAME "psample"
+#define PSAMPLE_GENL_VERSION 1
+
+#endif