#ifndef _INTEL_H
#define _INTEL_H
/** @file
*
* Intel 10/100/1000 network card driver
*
*/
#include <stdint.h>
#include <ipxe/if_ether.h>
/** Intel BAR size */
/** A packet descriptor */
struct intel_descriptor {
/** Buffer address */
/** Length */
/** Reserved */
/** Command */
/** Status */
/** Errors */
/** Reserved */
} __attribute__ (( packed ));
/** Packet descriptor command bits */
enum intel_descriptor_command {
/** Report status */
/** Insert frame checksum (CRC) */
/** End of packet */
};
/** Packet descriptor status bits */
enum intel_descriptor_status {
/** Descriptor done */
};
/** Device Control Register */
/** Time to delay for device reset, in milliseconds */
/** Device Status Register */
/** EEPROM Read Register */
/** Maximum time to wait for EEPROM read, in milliseconds */
/** EEPROM word length */
/** Minimum EEPROM size, in words */
/** Offset of MAC address within EEPROM */
/** Interrupt Cause Read Register */
/** Interrupt Mask Clear Register */
/** Receive Control Register */
/** Transmit Control Register */
/** Packet Buffer Allocation */
/** Packet Buffer Size */
/** Receive Descriptor register block */
/** Number of receive descriptors
*
* Minimum value is 8, since the descriptor ring length must be a
* multiple of 128.
*/
/** Receive descriptor ring fill level */
/** Receive buffer length */
/** Transmit Descriptor register block */
/** Number of transmit descriptors
*
* Descriptor ring length must be a multiple of 16. ICH8/9/10
* requires a minimum of 16 TX descriptors.
*/
/** Receive Descriptor Head */
/** Receive Descriptor Tail */
/** Transmit Descriptor Head */
/** Transmit Descriptor Tail */
/** Receive Address Low */
/** Receive Address High */
/** Receive address */
union intel_receive_address {
struct {
};
/** An Intel descriptor ring */
struct intel_ring {
/** Descriptors */
/** Producer index */
unsigned int prod;
/** Consumer index */
unsigned int cons;
/** Register block */
unsigned int reg;
/** Length (in bytes) */
};
/**
* Initialise descriptor ring
*
* @v ring Descriptor ring
* @v count Number of descriptors
* @v reg Descriptor register block
*/
static inline __attribute__ (( always_inline)) void
unsigned int reg ) {
}
/** An Intel network card */
struct intel_nic {
/** Registers */
void *regs;
/** Port number (for multi-port devices) */
unsigned int port;
/** EEPROM */
/** EEPROM done flag */
/** EEPROM address shift */
unsigned int eerd_addr_shift;
/** Transmit descriptor ring */
/** Receive descriptor ring */
/** Receive I/O buffers */
};
#endif /* _INTEL_H */