RDC R6040 network driver. More...

#include <stdint.h>
#include <ipxe/if_ether.h>
#include <ipxe/mii.h>

Data Structures
struct	rdc_descriptor
	An RDC descriptor. More...
union	rdc_mac
	A MAC address. More...
struct	rdc_ring
	A descriptor ring. More...
struct	rdc_nic
	An RDC network card. More...

Macros
#define	RDC_BAR_SIZE 256
	RDC BAR size.
#define	RDC_FL_OWNED 0x8000
	Descriptor is owned by NIC.
#define	RDC_FL_OK 0x4000
	Packet OK.
#define	RDC_MCR0 0x00
	MAC control register 0.
#define	RDC_MCR0_FD 0x8000
	Full duplex.
#define	RDC_MCR0_TXEN 0x1000
	Transmit enable.
#define	RDC_MCR0_PROMISC 0x0020
	Promiscuous mode.
#define	RDC_MCR0_RXEN 0x0002
	Receive enable.
#define	RDC_MCR1 0x04
	MAC control register 1.
#define	RDC_MCR1_RST 0x0001
	MAC reset.
#define	RDC_RESET_MAX_WAIT_MS 10
	Maximum time to wait for reset.
#define	RDC_MTPR 0x14
	MAC transmit poll command register.
#define	RDC_MTPR_TM2TX 0x0001
	Trigger MAC to transmit.
#define	RDC_MRBSR 0x18
	MAC receive buffer size register.
#define	RDC_MMDIO 0x20
	MAC MDIO control register.
#define	RDC_MMDIO_MIIWR 0x4000
	MDIO write.
#define	RDC_MMDIO_MIIRD 0x2000
	MDIO read.
#define	RDC_MMDIO_PHYAD(x)
	PHY address.
#define	RDC_MMDIO_REGAD(x)
	Register address.
#define	RDC_MII_MAX_WAIT_US 2048
	Maximum time to wait for an MII read or write.
#define	RDC_MMRD 0x24
	MAC MDIO read data register.
#define	RDC_MMWD 0x28
	MAC MDIO write data register.
#define	RDC_MTDSA 0x2c
	MAC transmit descriptor start address.
#define	RDC_MRDSA 0x34
	MAC receive descriptor start address.
#define	RDC_MxDSA_LO 0x0
	MAC descriptor start address low half.
#define	RDC_MxDSA_HI 0x4
	MAC descriptor start address low half.
#define	RDC_MISR 0x3c
	MAC interrupt status register.
#define	RDC_MIRQ_LINK 0x0200
	Link status changed.
#define	RDC_MIRQ_TX 0x0010
	Transmit complete.
#define	RDC_MIRQ_RX_EARLY 0x0008
	Receive early interrupt.
#define	RDC_MIRQ_RX_EMPTY 0x0002
	Receive descriptor unavailable.
#define	RDC_MIRQ_RX 0x0001
	Receive complete.
#define	RDC_MIER 0x40
	MAC interrupt enable register.
#define	RDC_MID0 0x68
	MAC address word 0.
#define	RDC_MID1 0x6a
	MAC address word 1.
#define	RDC_MID2 0x6c
	MAC address word 2.
#define	RDC_MPSCCR 0x88
	MAC PHY status change configuration register.
#define	RDC_MPSCCR_EN 0x8000
	PHY status change enable.
#define	RDC_MPSCCR_PHYAD(x)
	PHY address.
#define	RDC_MPSCCR_SLOW 0x0007
	Poll slowly.
#define	RDC_MACSM 0xac
	MAC state machine register.
#define	RDC_MACSM_RST 0x0002
	Reset state machine.
#define	RDC_MACSM_RESET_DELAY_MS 10
	Time to wait after resetting MAC state machine.
#define	RDC_NUM_TX_DESC 16
	Number of transmit descriptors.
#define	RDC_NUM_RX_DESC 8
	Number of receive descriptors.
#define	RDC_RX_MAX_LEN ( ETH_FRAME_LEN + 4 /* VLAN / + 4 / CRC */ )
	Receive buffer length.

Functions
	FILE_LICENCE (GPL2_OR_LATER_OR_UBDL)
static void	rdc_init_ring (struct rdc_ring *ring, unsigned int count, unsigned int reg)
	Initialise descriptor ring.

Detailed Description

RDC R6040 network driver.

Definition in file rdc.h.

Macro Definition Documentation

◆ RDC_BAR_SIZE

#define RDC_BAR_SIZE 256

RDC BAR size.

Definition at line 17 of file rdc.h.

Referenced by rdc_probe().

◆ RDC_FL_OWNED

#define RDC_FL_OWNED 0x8000

Descriptor is owned by NIC.

Definition at line 34 of file rdc.h.

Referenced by rdc_poll_rx(), rdc_poll_tx(), rdc_refill_rx(), and rdc_transmit().

◆ RDC_FL_OK

#define RDC_FL_OK 0x4000

Packet OK.

Definition at line 37 of file rdc.h.

Referenced by rdc_poll_rx().

◆ RDC_MCR0

#define RDC_MCR0 0x00

MAC control register 0.

Definition at line 40 of file rdc.h.

Referenced by rdc_close(), and rdc_open().

◆ RDC_MCR0_FD

#define RDC_MCR0_FD 0x8000

Full duplex.

Definition at line 41 of file rdc.h.

Referenced by rdc_open().

◆ RDC_MCR0_TXEN

#define RDC_MCR0_TXEN 0x1000

Transmit enable.

Definition at line 42 of file rdc.h.

Referenced by rdc_open().

◆ RDC_MCR0_PROMISC

#define RDC_MCR0_PROMISC 0x0020

Promiscuous mode.

Definition at line 43 of file rdc.h.

Referenced by rdc_open().

◆ RDC_MCR0_RXEN

#define RDC_MCR0_RXEN 0x0002

Receive enable.

Definition at line 44 of file rdc.h.

Referenced by rdc_open().

◆ RDC_MCR1

#define RDC_MCR1 0x04

MAC control register 1.

Definition at line 47 of file rdc.h.

Referenced by rdc_reset().

◆ RDC_MCR1_RST

#define RDC_MCR1_RST 0x0001

MAC reset.

Definition at line 48 of file rdc.h.

Referenced by rdc_reset().

◆ RDC_RESET_MAX_WAIT_MS

#define RDC_RESET_MAX_WAIT_MS 10

Maximum time to wait for reset.

Definition at line 51 of file rdc.h.

Referenced by rdc_reset().

◆ RDC_MTPR

#define RDC_MTPR 0x14

MAC transmit poll command register.

Definition at line 54 of file rdc.h.

Referenced by rdc_transmit().

◆ RDC_MTPR_TM2TX

#define RDC_MTPR_TM2TX 0x0001

Trigger MAC to transmit.

Definition at line 55 of file rdc.h.

Referenced by rdc_transmit().

◆ RDC_MRBSR

#define RDC_MRBSR 0x18

MAC receive buffer size register.

Definition at line 58 of file rdc.h.

Referenced by rdc_open().

◆ RDC_MMDIO

#define RDC_MMDIO 0x20

MAC MDIO control register.

Definition at line 61 of file rdc.h.

Referenced by rdc_mii_read(), and rdc_mii_write().

◆ RDC_MMDIO_MIIWR

#define RDC_MMDIO_MIIWR 0x4000

MDIO write.

Definition at line 62 of file rdc.h.

Referenced by rdc_mii_write().

◆ RDC_MMDIO_MIIRD

#define RDC_MMDIO_MIIRD 0x2000

MDIO read.

Definition at line 63 of file rdc.h.

Referenced by rdc_mii_read().

◆ RDC_MMDIO_PHYAD

#define RDC_MMDIO_PHYAD ( x )

Value:

( (x) << 8 )

x

static unsigned int x

Definition pixbuf.h:63

PHY address.

Definition at line 64 of file rdc.h.

Referenced by rdc_mii_read(), and rdc_mii_write().

◆ RDC_MMDIO_REGAD

#define RDC_MMDIO_REGAD ( x )

Value:

( (x) << 0 )

Register address.

Definition at line 65 of file rdc.h.

Referenced by rdc_mii_read(), and rdc_mii_write().

◆ RDC_MII_MAX_WAIT_US

#define RDC_MII_MAX_WAIT_US 2048

Maximum time to wait for an MII read or write.

Definition at line 68 of file rdc.h.

Referenced by rdc_mii_read(), and rdc_mii_write().

◆ RDC_MMRD

#define RDC_MMRD 0x24

MAC MDIO read data register.

Definition at line 71 of file rdc.h.

Referenced by rdc_mii_read().

◆ RDC_MMWD

#define RDC_MMWD 0x28

MAC MDIO write data register.

Definition at line 74 of file rdc.h.

Referenced by rdc_mii_write().

◆ RDC_MTDSA

#define RDC_MTDSA 0x2c

MAC transmit descriptor start address.

Definition at line 77 of file rdc.h.

Referenced by rdc_probe().

◆ RDC_MRDSA

#define RDC_MRDSA 0x34

MAC receive descriptor start address.

Definition at line 80 of file rdc.h.

Referenced by rdc_probe().

◆ RDC_MxDSA_LO

#define RDC_MxDSA_LO 0x0

MAC descriptor start address low half.

Definition at line 83 of file rdc.h.

Referenced by rdc_create_ring(), and rdc_destroy_ring().

◆ RDC_MxDSA_HI

#define RDC_MxDSA_HI 0x4

MAC descriptor start address low half.

Definition at line 86 of file rdc.h.

Referenced by rdc_create_ring(), and rdc_destroy_ring().

◆ RDC_MISR

#define RDC_MISR 0x3c

MAC interrupt status register.

Definition at line 89 of file rdc.h.

Referenced by rdc_poll().

◆ RDC_MIRQ_LINK

#define RDC_MIRQ_LINK 0x0200

Link status changed.

Definition at line 90 of file rdc.h.

Referenced by rdc_irq(), and rdc_poll().

◆ RDC_MIRQ_TX

#define RDC_MIRQ_TX 0x0010

Transmit complete.

Definition at line 91 of file rdc.h.

Referenced by rdc_irq(), and rdc_poll().

◆ RDC_MIRQ_RX_EARLY

#define RDC_MIRQ_RX_EARLY 0x0008

Receive early interrupt.

Definition at line 92 of file rdc.h.

Referenced by rdc_poll().

◆ RDC_MIRQ_RX_EMPTY

#define RDC_MIRQ_RX_EMPTY 0x0002

Receive descriptor unavailable.

Definition at line 93 of file rdc.h.

Referenced by rdc_poll().

◆ RDC_MIRQ_RX

#define RDC_MIRQ_RX 0x0001

Receive complete.

Definition at line 94 of file rdc.h.

Referenced by rdc_irq(), and rdc_poll().

◆ RDC_MIER

#define RDC_MIER 0x40

MAC interrupt enable register.

Definition at line 97 of file rdc.h.

Referenced by rdc_irq().

◆ RDC_MID0

#define RDC_MID0 0x68

MAC address word 0.

Definition at line 100 of file rdc.h.

Referenced by rdc_probe().

◆ RDC_MID1

#define RDC_MID1 0x6a

MAC address word 1.

Definition at line 103 of file rdc.h.

Referenced by rdc_probe().

◆ RDC_MID2

#define RDC_MID2 0x6c

MAC address word 2.

Definition at line 106 of file rdc.h.

Referenced by rdc_probe().

◆ RDC_MPSCCR

#define RDC_MPSCCR 0x88

MAC PHY status change configuration register.

Definition at line 109 of file rdc.h.

Referenced by rdc_open().

◆ RDC_MPSCCR_EN

#define RDC_MPSCCR_EN 0x8000

PHY status change enable.

Definition at line 110 of file rdc.h.

Referenced by rdc_open().

◆ RDC_MPSCCR_PHYAD

#define RDC_MPSCCR_PHYAD ( x )

Value:

( (x) << 8 )

PHY address.

Definition at line 111 of file rdc.h.

Referenced by rdc_open().

◆ RDC_MPSCCR_SLOW

#define RDC_MPSCCR_SLOW 0x0007

Poll slowly.

Definition at line 112 of file rdc.h.

Referenced by rdc_open().

◆ RDC_MACSM

#define RDC_MACSM 0xac

MAC state machine register.

Definition at line 115 of file rdc.h.

Referenced by rdc_reset().

◆ RDC_MACSM_RST

#define RDC_MACSM_RST 0x0002

Reset state machine.

Definition at line 116 of file rdc.h.

Referenced by rdc_reset().

◆ RDC_MACSM_RESET_DELAY_MS

#define RDC_MACSM_RESET_DELAY_MS 10

Time to wait after resetting MAC state machine.

Definition at line 119 of file rdc.h.

Referenced by rdc_reset().

◆ RDC_NUM_TX_DESC

#define RDC_NUM_TX_DESC 16

Number of transmit descriptors.

This is a policy decision.

Definition at line 164 of file rdc.h.

Referenced by rdc_poll_tx(), rdc_probe(), and rdc_transmit().

◆ RDC_NUM_RX_DESC

#define RDC_NUM_RX_DESC 8

Number of receive descriptors.

This is a policy decision.

Definition at line 170 of file rdc.h.

Referenced by rdc_close(), rdc_poll_rx(), rdc_probe(), and rdc_refill_rx().

◆ RDC_RX_MAX_LEN

#define RDC_RX_MAX_LEN ( ETH_FRAME_LEN + 4 /* VLAN */ + 4 /* CRC */ )

Receive buffer length.

Definition at line 173 of file rdc.h.

Referenced by rdc_open(), and rdc_refill_rx().

Function Documentation

◆ FILE_LICENCE()

FILE_LICENCE ( GPL2_OR_LATER_OR_UBDL )

◆ rdc_init_ring()

void rdc_init_ring	(	struct rdc_ring *	ring,
		unsigned int	count,
		unsigned int	reg )

inlinestatic

Initialise descriptor ring.

Parameters

ring	Descriptor ring
count	Number of descriptors
reg	Start address register 0

Definition at line 154 of file rdc.h.

                                                                              {
 
        ring->count = count;
        ring->reg = reg;
}

References count, rdc_ring::count, rdc_ring::reg, and reg.

Referenced by rdc_probe().

Data Structures

Macros

Functions

Detailed Description

Macro Definition Documentation

◆ RDC_BAR_SIZE

◆ RDC_FL_OWNED

◆ RDC_FL_OK

◆ RDC_MCR0

◆ RDC_MCR0_FD

◆ RDC_MCR0_TXEN

◆ RDC_MCR0_PROMISC

◆ RDC_MCR0_RXEN

◆ RDC_MCR1

◆ RDC_MCR1_RST

◆ RDC_RESET_MAX_WAIT_MS

◆ RDC_MTPR

◆ RDC_MTPR_TM2TX

◆ RDC_MRBSR

◆ RDC_MMDIO

◆ RDC_MMDIO_MIIWR

◆ RDC_MMDIO_MIIRD

◆ RDC_MMDIO_PHYAD

◆ RDC_MMDIO_REGAD

◆ RDC_MII_MAX_WAIT_US

◆ RDC_MMRD

◆ RDC_MMWD

◆ RDC_MTDSA

◆ RDC_MRDSA

◆ RDC_MxDSA_LO

◆ RDC_MxDSA_HI

◆ RDC_MISR

◆ RDC_MIRQ_LINK

◆ RDC_MIRQ_TX

◆ RDC_MIRQ_RX_EARLY

◆ RDC_MIRQ_RX_EMPTY

◆ RDC_MIRQ_RX

◆ RDC_MIER

◆ RDC_MID0

◆ RDC_MID1

◆ RDC_MID2

◆ RDC_MPSCCR

◆ RDC_MPSCCR_EN

◆ RDC_MPSCCR_PHYAD

◆ RDC_MPSCCR_SLOW

◆ RDC_MACSM

◆ RDC_MACSM_RST

◆ RDC_MACSM_RESET_DELAY_MS

◆ RDC_NUM_TX_DESC

◆ RDC_NUM_RX_DESC

◆ RDC_RX_MAX_LEN

Function Documentation

◆ FILE_LICENCE()

◆ rdc_init_ring()