mirror of
https://github.com/ipxe/ipxe
synced 2025-12-31 06:49:20 +03:00
1ee7f4e036
The LAN78xx datapath is essentially identical to that of the SMSC75xx. Expose the transmit, poll, and bulk IN endpoint operations to allow for reuse by the LAN78xx driver. Signed-off-by: Michael Brown <mcb30@ipxe.org>
224 lines
6.1 KiB
C
224 lines
6.1 KiB
C
#ifndef _SMSC75XX_H
|
|
#define _SMSC75XX_H
|
|
|
|
/** @file
|
|
*
|
|
* SMSC LAN75xx USB Ethernet driver
|
|
*
|
|
*/
|
|
|
|
FILE_LICENCE ( GPL2_OR_LATER_OR_UBDL );
|
|
|
|
#include "smscusb.h"
|
|
|
|
/** Interrupt status register */
|
|
#define SMSC75XX_INT_STS 0x00c
|
|
#define SMSC75XX_INT_STS_RDFO_INT 0x00400000UL /**< RX FIFO overflow */
|
|
#define SMSC75XX_INT_STS_PHY_INT 0x00020000UL /**< PHY interrupt */
|
|
|
|
/** Hardware configuration register */
|
|
#define SMSC75XX_HW_CFG 0x010
|
|
#define SMSC75XX_HW_CFG_BIR 0x00000080UL /**< Bulk IN use NAK */
|
|
#define SMSC75XX_HW_CFG_LRST 0x00000002UL /**< Soft lite reset */
|
|
|
|
/** Interrupt endpoint control register */
|
|
#define SMSC75XX_INT_EP_CTL 0x038
|
|
#define SMSC75XX_INT_EP_CTL_RDFO_EN 0x00400000UL /**< RX FIFO overflow */
|
|
#define SMSC75XX_INT_EP_CTL_PHY_EN 0x00020000UL /**< PHY interrupt */
|
|
|
|
/** Bulk IN delay register */
|
|
#define SMSC75XX_BULK_IN_DLY 0x03c
|
|
#define SMSC75XX_BULK_IN_DLY_SET(ticks) ( (ticks) << 0 ) /**< Delay / 16.7ns */
|
|
|
|
/** EEPROM register base */
|
|
#define SMSC75XX_E2P_BASE 0x040
|
|
|
|
/** Receive filtering engine control register */
|
|
#define SMSC75XX_RFE_CTL 0x060
|
|
#define SMSC75XX_RFE_CTL_AB 0x00000400UL /**< Accept broadcast */
|
|
#define SMSC75XX_RFE_CTL_AM 0x00000200UL /**< Accept multicast */
|
|
#define SMSC75XX_RFE_CTL_AU 0x00000100UL /**< Accept unicast */
|
|
|
|
/** FIFO controller RX FIFO control register */
|
|
#define SMSC75XX_FCT_RX_CTL 0x090
|
|
#define SMSC75XX_FCT_RX_CTL_EN 0x80000000UL /**< FCT RX enable */
|
|
#define SMSC75XX_FCT_RX_CTL_BAD 0x02000000UL /**< Store bad frames */
|
|
|
|
/** FIFO controller TX FIFO control register */
|
|
#define SMSC75XX_FCT_TX_CTL 0x094
|
|
#define SMSC75XX_FCT_TX_CTL_EN 0x80000000UL /**< FCT TX enable */
|
|
|
|
/** MAC receive register */
|
|
#define SMSC75XX_MAC_RX 0x104
|
|
#define SMSC75XX_MAC_RX_MAX_SIZE(mtu) ( (mtu) << 16 ) /**< Max frame size */
|
|
#define SMSC75XX_MAC_RX_MAX_SIZE_DEFAULT \
|
|
SMSC75XX_MAC_RX_MAX_SIZE ( ETH_FRAME_LEN + 4 /* VLAN */ + 4 /* CRC */ )
|
|
#define SMSC75XX_MAC_RX_FCS 0x00000010UL /**< FCS stripping */
|
|
#define SMSC75XX_MAC_RX_EN 0x00000001UL /**< RX enable */
|
|
|
|
/** MAC transmit register */
|
|
#define SMSC75XX_MAC_TX 0x108
|
|
#define SMSC75XX_MAC_TX_EN 0x00000001UL /**< TX enable */
|
|
|
|
/** MAC receive address register base */
|
|
#define SMSC75XX_RX_ADDR_BASE 0x118
|
|
|
|
/** MII register base */
|
|
#define SMSC75XX_MII_BASE 0x120
|
|
|
|
/** PHY interrupt source MII register */
|
|
#define SMSC75XX_MII_PHY_INTR_SOURCE 29
|
|
|
|
/** PHY interrupt mask MII register */
|
|
#define SMSC75XX_MII_PHY_INTR_MASK 30
|
|
|
|
/** PHY interrupt: auto-negotiation complete */
|
|
#define SMSC75XX_PHY_INTR_ANEG_DONE 0x0040
|
|
|
|
/** PHY interrupt: link down */
|
|
#define SMSC75XX_PHY_INTR_LINK_DOWN 0x0010
|
|
|
|
/** MAC address perfect filter register base */
|
|
#define SMSC75XX_ADDR_FILT_BASE 0x300
|
|
|
|
/** Receive packet header */
|
|
struct smsc75xx_rx_header {
|
|
/** RX command word */
|
|
uint32_t command;
|
|
/** VLAN tag */
|
|
uint16_t vtag;
|
|
/** Checksum */
|
|
uint16_t csum;
|
|
/** Two-byte padding used to align Ethernet payload */
|
|
uint16_t pad;
|
|
} __attribute__ (( packed ));
|
|
|
|
/** Receive error detected */
|
|
#define SMSC75XX_RX_RED 0x00400000UL
|
|
|
|
/** Transmit packet header */
|
|
struct smsc75xx_tx_header {
|
|
/** TX command word */
|
|
uint32_t command;
|
|
/** VLAN tag */
|
|
uint16_t tag;
|
|
/** Maximum segment size */
|
|
uint16_t mss;
|
|
} __attribute__ (( packed ));
|
|
|
|
/** Insert frame checksum and pad */
|
|
#define SMSC75XX_TX_FCS 0x00400000UL
|
|
|
|
/** Byte count statistics */
|
|
struct smsc75xx_byte_statistics {
|
|
/** Unicast byte count */
|
|
uint32_t unicast;
|
|
/** Broadcast byte count */
|
|
uint32_t broadcast;
|
|
/** Multicast byte count */
|
|
uint32_t multicast;
|
|
} __attribute__ (( packed ));
|
|
|
|
/** Frame count statistics */
|
|
struct smsc75xx_frame_statistics {
|
|
/** Unicast frames */
|
|
uint32_t unicast;
|
|
/** Broadcast frames */
|
|
uint32_t broadcast;
|
|
/** Multicast frames */
|
|
uint32_t multicast;
|
|
/** Pause frames */
|
|
uint32_t pause;
|
|
/** Frames by length category */
|
|
uint32_t len[7];
|
|
} __attribute__ (( packed ));
|
|
|
|
/** Receive error statistics */
|
|
struct smsc75xx_rx_error_statistics {
|
|
/** FCS errors */
|
|
uint32_t fcs;
|
|
/** Alignment errors */
|
|
uint32_t alignment;
|
|
/** Fragment errors */
|
|
uint32_t fragment;
|
|
/** Jabber errors */
|
|
uint32_t jabber;
|
|
/** Undersize frame errors */
|
|
uint32_t undersize;
|
|
/** Oversize frame errors */
|
|
uint32_t oversize;
|
|
/** Dropped frame errors */
|
|
uint32_t dropped;
|
|
} __attribute__ (( packed ));
|
|
|
|
/** Receive statistics */
|
|
struct smsc75xx_rx_statistics {
|
|
/** Error statistics */
|
|
struct smsc75xx_rx_error_statistics err;
|
|
/** Byte count statistics */
|
|
struct smsc75xx_byte_statistics byte;
|
|
/** Frame count statistics */
|
|
struct smsc75xx_frame_statistics frame;
|
|
} __attribute__ (( packed ));
|
|
|
|
/** Transmit error statistics */
|
|
struct smsc75xx_tx_error_statistics {
|
|
/** FCS errors */
|
|
uint32_t fcs;
|
|
/** Excess deferral errors */
|
|
uint32_t deferral;
|
|
/** Carrier errors */
|
|
uint32_t carrier;
|
|
/** Bad byte count */
|
|
uint32_t count;
|
|
/** Single collisions */
|
|
uint32_t single;
|
|
/** Multiple collisions */
|
|
uint32_t multiple;
|
|
/** Excession collisions */
|
|
uint32_t excessive;
|
|
/** Late collisions */
|
|
uint32_t late;
|
|
} __attribute__ (( packed ));
|
|
|
|
/** Transmit statistics */
|
|
struct smsc75xx_tx_statistics {
|
|
/** Error statistics */
|
|
struct smsc75xx_tx_error_statistics err;
|
|
/** Byte count statistics */
|
|
struct smsc75xx_byte_statistics byte;
|
|
/** Frame count statistics */
|
|
struct smsc75xx_frame_statistics frame;
|
|
} __attribute__ (( packed ));
|
|
|
|
/** Statistics */
|
|
struct smsc75xx_statistics {
|
|
/** Receive statistics */
|
|
struct smsc75xx_rx_statistics rx;
|
|
/** Transmit statistics */
|
|
struct smsc75xx_tx_statistics tx;
|
|
} __attribute__ (( packed ));
|
|
|
|
/** Maximum time to wait for reset (in milliseconds) */
|
|
#define SMSC75XX_RESET_MAX_WAIT_MS 100
|
|
|
|
/** Bulk IN maximum fill level
|
|
*
|
|
* This is a policy decision.
|
|
*/
|
|
#define SMSC75XX_IN_MAX_FILL 8
|
|
|
|
/** Bulk IN buffer size */
|
|
#define SMSC75XX_IN_MTU \
|
|
( sizeof ( struct smsc75xx_rx_header ) + \
|
|
ETH_FRAME_LEN + 4 /* possible VLAN header */ )
|
|
|
|
extern struct usb_endpoint_driver_operations smsc75xx_in_operations;
|
|
|
|
extern int smsc75xx_dump_statistics ( struct smscusb_device *smscusb );
|
|
extern int smsc75xx_transmit ( struct net_device *netdev,
|
|
struct io_buffer *iobuf );
|
|
extern void smsc75xx_poll ( struct net_device *netdev );
|
|
|
|
#endif /* _SMSC75XX_H */
|