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Subversion Repositories openrisc_2011-10-31

[/] [openrisc/] [trunk/] [or1ksim/] [peripheral/] [eth.h] - Diff between revs 19 and 82

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Rev 19 Rev 82
Line 25... Line 25...
 
 
 
 
#ifndef ETH__H
#ifndef ETH__H
#define ETH__H
#define ETH__H
 
 
 
#if HAVE_ETH_PHY
 
#include <netpacket/packet.h>
 
#endif /* HAVE_ETH_PHY */
 
 
 
#if HAVE_NET_ETHERNET_H
 
# include <net/ethernet.h>
 
#elif defined(HAVE_SYS_ETHERNET_H)
 
# include <sys/ethernet.h>
 
#else /* !HAVE_NET_ETHERNET_H && !HAVE_SYS_ETHERNET_H - */
 
#include <sys/types.h>
 
#endif
 
 
 
/* Address space required by one Ethernet MAC */
 
#define ETH_ADDR_SPACE 0x1000
 
 
 
/* Relative Register Addresses */
 
#define ETH_MODER       (4 * 0x00)
 
#define ETH_INT_SOURCE  (4 * 0x01)
 
#define ETH_INT_MASK    (4 * 0x02)
 
#define ETH_IPGT        (4 * 0x03)
 
#define ETH_IPGR1       (4 * 0x04)
 
#define ETH_IPGR2       (4 * 0x05)
 
#define ETH_PACKETLEN   (4 * 0x06)
 
#define ETH_COLLCONF    (4 * 0x07)
 
#define ETH_TX_BD_NUM   (4 * 0x08)
 
#define ETH_CTRLMODER   (4 * 0x09)
 
#define ETH_MIIMODER    (4 * 0x0A)
 
#define ETH_MIICOMMAND  (4 * 0x0B)
 
#define ETH_MIIADDRESS  (4 * 0x0C)
 
#define ETH_MIITX_DATA  (4 * 0x0D)
 
#define ETH_MIIRX_DATA  (4 * 0x0E)
 
#define ETH_MIISTATUS   (4 * 0x0F)
 
#define ETH_MAC_ADDR0   (4 * 0x10)
 
#define ETH_MAC_ADDR1   (4 * 0x11)
 
#define ETH_HASH0       (4 * 0x12)
 
#define ETH_HASH1       (4 * 0x13)
 
 
 
/* Where BD's are stored */
 
#define ETH_BD_BASE        0x400
 
#define ETH_BD_COUNT       0x100
 
#define ETH_BD_SPACE       (4 * ETH_BD_COUNT)
 
 
 
/* Where to point DMA to transmit/receive */
 
#define ETH_DMA_RX_TX      0x800
 
 
 
/* Field definitions for MODER */
 
#define ETH_MODER_DMAEN_OFFSET     17
 
#define ETH_MODER_RECSMALL_OFFSET  16
 
#define ETH_MODER_PAD_OFFSET       15
 
#define ETH_MODER_HUGEN_OFFSET     14
 
#define ETH_MODER_CRCEN_OFFSET     13
 
#define ETH_MODER_DLYCRCEN_OFFSET  12
 
#define ETH_MODER_RST_OFFSET       11
 
#define ETH_MODER_FULLD_OFFSET     10
 
#define ETH_MODER_EXDFREN_OFFSET   9
 
#define ETH_MODER_NOBCKOF_OFFSET   8
 
#define ETH_MODER_LOOPBCK_OFFSET   7
 
#define ETH_MODER_IFG_OFFSET       6
 
#define ETH_MODER_PRO_OFFSET       5
 
#define ETH_MODER_IAM_OFFSET       4
 
#define ETH_MODER_BRO_OFFSET       3
 
#define ETH_MODER_NOPRE_OFFSET     2
 
#define ETH_MODER_TXEN_OFFSET      1
 
#define ETH_MODER_RXEN_OFFSET      0
 
 
 
/* Field definitions for INT_SOURCE */
 
#define ETH_INT_SOURCE_RXC_OFFSET  6
 
#define ETH_INT_SOURCE_TXC_OFFSET  5
 
#define ETH_INT_SOURCE_BUSY_OFFSET 4
 
#define ETH_INT_SOURCE_RXE_OFFSET  3
 
#define ETH_INT_SOURCE_RXB_OFFSET  2
 
#define ETH_INT_SOURCE_TXE_OFFSET  1
 
#define ETH_INT_SOURCE_TXB_OFFSET  0
 
 
 
/* Field definitions for INT_MASK */
 
#define ETH_INT_MASK_RXC_M_OFFSET  6
 
#define ETH_INT_MASK_TXC_M_OFFSET  5
 
#define ETH_INT_MASK_BUSY_M_OFFSET 4
 
#define ETH_INT_MASK_RXE_M_OFFSET  3
 
#define ETH_INT_MASK_RXB_M_OFFSET  2
 
#define ETH_INT_MASK_TXE_M_OFFSET  1
 
#define ETH_INT_MASK_TXB_M_OFFSET  0
 
 
 
/* Field definitions for PACKETLEN */
 
#define ETH_PACKETLEN_MINFL_OFFSET 16
 
#define ETH_PACKETLEN_MINFL_WIDTH  16
 
#define ETH_PACKETLEN_MAXFL_OFFSET 0
 
#define ETH_PACKETLEN_MAXFL_WIDTH  16
 
 
 
/* Field definitions for COLLCONF */
 
#define ETH_COLLCONF_MAXRET_OFFSET 16
 
#define ETH_COLLCONF_MAXRET_WIDTH  4
 
#define ETH_COLLCONF_COLLVALID_OFFSET 0
 
#define ETH_COLLCONF_COLLVALID_WIDTH  6
 
 
 
/* Field definitions for CTRLMODER */
 
#define ETH_CMODER_TXFLOW_OFFSET   2
 
#define ETH_CMODER_RXFLOW_OFFSET   1
 
#define ETH_CMODER_PASSALL_OFFSET  0
 
 
 
/* Field definitions for MIIMODER */
 
#define ETH_MIIMODER_MRST_OFFSET   9
 
#define ETH_MIIMODER_NOPRE_OFFSET  8
 
#define ETH_MIIMODER_CLKDIV_OFFSET 0
 
#define ETH_MIIMODER_CLKDIV_WIDTH  8
 
 
 
/* Field definitions for MIICOMMAND */
 
#define ETH_MIICOMM_WCDATA_OFFSET  2
 
#define ETH_MIICOMM_RSTAT_OFFSET   1
 
#define ETH_MIICOMM_SCANS_OFFSET   0
 
 
 
/* Field definitions for MIIADDRESS */
 
#define ETH_MIIADDR_RGAD_OFFSET    8
 
#define ETH_MIIADDR_RGAD_WIDTH     5
 
#define ETH_MIIADDR_FIAD_OFFSET    0
 
#define ETH_MIIADDR_FIAD_WIDTH     5
 
 
 
/* Field definitions for MIISTATUS */
 
#define ETH_MIISTAT_NVALID_OFFSET  1
 
#define ETH_MIISTAT_BUSY_OFFSET    1
 
#define ETH_MIISTAT_FAIL_OFFSET    0
 
 
 
/* Field definitions for TX buffer descriptors */
 
#define ETH_TX_BD_LENGTH_OFFSET        16
 
#define ETH_TX_BD_LENGTH_WIDTH         16
 
#define ETH_TX_BD_READY_OFFSET         15
 
#define ETH_TX_BD_IRQ_OFFSET           14
 
#define ETH_TX_BD_WRAP_OFFSET          13
 
#define ETH_TX_BD_PAD_OFFSET           12
 
#define ETH_TX_BD_CRC_OFFSET           11
 
#define ETH_TX_BD_LAST_OFFSET          10
 
#define ETH_TX_BD_PAUSE_OFFSET         9
 
#define ETH_TX_BD_UNDERRUN_OFFSET      8
 
#define ETH_TX_BD_RETRY_OFFSET         4
 
#define ETH_TX_BD_RETRY_WIDTH          4
 
#define ETH_TX_BD_RETRANSMIT_OFFSET    3
 
#define ETH_TX_BD_COLLISION_OFFSET     2
 
#define ETH_TX_BD_DEFER_OFFSET         1
 
#define ETH_TX_BD_NO_CARRIER_OFFSET    0
 
 
 
 
 
/* Field definitions for RX buffer descriptors */
 
#define ETH_RX_BD_LENGTH_OFFSET        16
 
#define ETH_RX_BD_LENGTH_WIDTH         16
 
#define ETH_RX_BD_READY_OFFSET         15
 
#define ETH_RX_BD_IRQ_OFFSET           14
 
#define ETH_RX_BD_WRAP_OFFSET          13
 
#define ETH_RX_BD_MISS_OFFSET          7
 
#define ETH_RX_BD_UVERRUN_OFFSET       6
 
#define ETH_RX_BD_INVALID_OFFSET       5
 
#define ETH_RX_BD_DRIBBLE_OFFSET       4
 
#define ETH_RX_BD_TOOBIG_OFFSET        3
 
#define ETH_RX_BD_TOOSHORT_OFFSET      2
 
#define ETH_RX_BD_CRC_OFFSET           1
 
#define ETH_RX_BD_COLLISION_OFFSET     0
 
 
 
/*
 
 * Ethernet protocol definitions
 
 */
 
#ifdef HAVE_NET_ETHERNET_H
 
#elif defined(HAVE_SYS_ETHERNET_H)
 
#ifndef ETHER_ADDR_LEN
 
#define ETHER_ADDR_LEN ETHERADDRL
 
#endif
 
#ifndef ETHER_HDR_LEN
 
#define ETHER_HDR_LEN sizeof(struct ether_header)
 
#endif
 
#else /* !HAVE_NET_ETHERNET_H && !HAVE_SYS_ETHERNET_H - */
 
#ifdef __CYGWIN__
 
/* define some missing cygwin defines.
 
 *
 
 * NOTE! there is no nonblocking socket option implemented in cygwin.dll
 
 *       so defining MSG_DONTWAIT is just (temporary) workaround !!!
 
 */
 
#define MSG_DONTWAIT  0x40
 
#define ETH_HLEN      14
 
#endif /* __CYGWIN__ */
 
 
 
#define ETH_ALEN    6
 
 
 
struct ether_addr
 
{
 
  u_int8_t ether_addr_octet[ETH_ALEN];
 
};
 
 
 
struct ether_header
 
{
 
  u_int8_t ether_dhost[ETH_ALEN];       /* destination eth addr */
 
  u_int8_t ether_shost[ETH_ALEN];       /* source ether addr    */
 
  u_int16_t ether_type;         /* packet type ID field */
 
};
 
 
 
/* Ethernet protocol ID's */
 
#define ETHERTYPE_PUP           0x0200  /* Xerox PUP */
 
#define ETHERTYPE_IP            0x0800  /* IP */
 
#define ETHERTYPE_ARP           0x0806  /* Address resolution */
 
#define ETHERTYPE_REVARP        0x8035  /* Reverse ARP */
 
 
 
#define ETHER_ADDR_LEN  ETH_ALEN        /* size of ethernet addr */
 
#define ETHER_TYPE_LEN  2       /* bytes in type field */
 
#define ETHER_CRC_LEN   4       /* bytes in CRC field */
 
#define ETHER_HDR_LEN   ETH_HLEN        /* total octets in header */
 
#define ETHER_MIN_LEN   (ETH_ZLEN + ETHER_CRC_LEN)      /* min packet length */
 
#define ETHER_MAX_LEN   (ETH_FRAME_LEN + ETHER_CRC_LEN) /* max packet length */
 
 
 
/* make sure ethenet length is valid */
 
#define ETHER_IS_VALID_LEN(foo) \
 
        ((foo) >= ETHER_MIN_LEN && (foo) <= ETHER_MAX_LEN)
 
 
 
/*
 
 * The ETHERTYPE_NTRAILER packet types starting at ETHERTYPE_TRAIL have
 
 * (type-ETHERTYPE_TRAIL)*512 bytes of data followed
 
 * by an ETHER type (as given above) and then the (variable-length) header.
 
 */
 
#define ETHERTYPE_TRAIL         0x1000  /* Trailer packet */
 
#define ETHERTYPE_NTRAILER      16
 
 
 
#define ETHERMTU        ETH_DATA_LEN
 
#define ETHERMIN        (ETHER_MIN_LEN-ETHER_HDR_LEN-ETHER_CRC_LEN)
 
 
 
#endif /* HAVE_NET_ETHERNET_H */
 
 
 
/*
 
 * Implementatino of Ethernet MAC Registers and State
 
 */
 
#define ETH_TXSTATE_IDLE        0
 
#define ETH_TXSTATE_WAIT4BD     10
 
#define ETH_TXSTATE_READFIFO    20
 
#define ETH_TXSTATE_TRANSMIT    30
 
 
 
#define ETH_RXSTATE_IDLE        0
 
#define ETH_RXSTATE_WAIT4BD     10
 
#define ETH_RXSTATE_RECV        20
 
#define ETH_RXSTATE_WRITEFIFO   30
 
 
 
#define ETH_RTX_FILE    0
 
#define ETH_RTX_SOCK    1
 
#define ETH_RTX_VAPI    2
 
 
 
#define ETH_MAXPL   0x10000
 
 
 
enum
 
{ ETH_VAPI_DATA = 0,
 
  ETH_VAPI_CTRL,
 
  ETH_NUM_VAPI_IDS
 
};
 
 
 
 
/* Prototypes for external use */
/* Prototypes for external use */
extern void  reg_ethernet_sec ();
extern void  reg_ethernet_sec ();
 
 
#endif /* ETH__H */
#endif /* ETH__H */
 
 
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