- * @cookie: Userspace-supplied cookie
- * @cookie_reply: For kernel-generated messages, this is the cookie
- * the message is a reply to
- * @timeout_ns: For non-kernel-generated messages, this denotes the
- * message timeout in nanoseconds. A message has to be
- * received with KDBUS_CMD_MSG_RECV by the destination
- * connection within this time frame. For messages that
- * have KDBUS_MSG_FLAGS_EXPECT_REPLY set in @flags,
- * this value also denotes the timeout for the reply to
- * this message. If there is no reply, or the message is
- * not received in time by the other side, a
- * kernel-generated message with an attached
- * KDBUS_ITEM_REPLY_TIMEOUT item is sent to @src_id.
- * A 0-value is only valid if KDBUS_MSG_FLAGS_EXPECT_REPLY
- * is unset in @flags.
+ * @cookie: Userspace-supplied cookie, for the connection
+ * to identify its messages
+ * @cookie_reply: A reply to the requesting message with the same
+ * cookie. The requesting connection can match its
+ * request and the reply with this value
+ * @timeout_ns: The time to wait for a message reply from the peer.
+ * If there is no reply, a kernel-generated message
+ * with an attached KDBUS_ITEM_REPLY_TIMEOUT item
+ * is sent to @src_id.