| #ifndef _IBM_LANA_INCLUDE_ |
| #define _IBM_LANA_INCLUDE_ |
| |
| #ifdef _IBM_LANA_DRIVER_ |
| |
| /* maximum packet size */ |
| |
| #define PKTSIZE 1524 |
| |
| /* number of transmit buffers */ |
| |
| #define TXBUFCNT 4 |
| |
| /* Adapter ID's */ |
| #define IBM_LANA_ID 0xffe0 |
| |
| /* media enumeration - defined in a way that it fits onto the LAN/A's |
| POS registers... */ |
| |
| typedef enum { |
| Media_10BaseT, Media_10Base5, |
| Media_Unknown, Media_10Base2, Media_Count |
| } ibmlana_medium; |
| |
| /* private structure */ |
| |
| typedef struct { |
| unsigned int slot; /* MCA-Slot-# */ |
| struct net_device_stats stat; /* packet statistics */ |
| int realirq; /* memorizes actual IRQ, even when |
| currently not allocated */ |
| ibmlana_medium medium; /* physical cannector */ |
| u32 tdastart, txbufstart, /* addresses */ |
| rrastart, rxbufstart, rdastart, rxbufcnt, txusedcnt; |
| int nextrxdescr, /* next rx descriptor to be used */ |
| lastrxdescr, /* last free rx descriptor */ |
| nexttxdescr, /* last tx descriptor to be used */ |
| currtxdescr, /* tx descriptor currently tx'ed */ |
| txused[TXBUFCNT]; /* busy flags */ |
| void __iomem *base; |
| spinlock_t lock; |
| } ibmlana_priv; |
| |
| /* this card uses quite a lot of I/O ports...luckily the MCA bus decodes |
| a full 64K I/O range... */ |
| |
| #define IBM_LANA_IORANGE 0xa0 |
| |
| /* Command Register: */ |
| |
| #define SONIC_CMDREG 0x00 |
| #define CMDREG_HTX 0x0001 /* halt transmission */ |
| #define CMDREG_TXP 0x0002 /* start transmission */ |
| #define CMDREG_RXDIS 0x0004 /* disable receiver */ |
| #define CMDREG_RXEN 0x0008 /* enable receiver */ |
| #define CMDREG_STP 0x0010 /* stop timer */ |
| #define CMDREG_ST 0x0020 /* start timer */ |
| #define CMDREG_RST 0x0080 /* software reset */ |
| #define CMDREG_RRRA 0x0100 /* force SONIC to read first RRA */ |
| #define CMDREG_LCAM 0x0200 /* force SONIC to read CAM descrs */ |
| |
| /* Data Configuration Register */ |
| |
| #define SONIC_DCREG 0x02 |
| #define DCREG_EXBUS 0x8000 /* Extended Bus Mode */ |
| #define DCREG_LBR 0x2000 /* Latched Bus Retry */ |
| #define DCREG_PO1 0x1000 /* Programmable Outputs */ |
| #define DCREG_PO0 0x0800 |
| #define DCREG_SBUS 0x0400 /* Synchronous Bus Mode */ |
| #define DCREG_USR1 0x0200 /* User Definable Pins */ |
| #define DCREG_USR0 0x0100 |
| #define DCREG_WC0 0x0000 /* 0..3 Wait States */ |
| #define DCREG_WC1 0x0040 |
| #define DCREG_WC2 0x0080 |
| #define DCREG_WC3 0x00c0 |
| #define DCREG_DW16 0x0000 /* 16 bit Bus Mode */ |
| #define DCREG_DW32 0x0020 /* 32 bit Bus Mode */ |
| #define DCREG_BMS 0x0010 /* Block Mode Select */ |
| #define DCREG_RFT4 0x0000 /* 4/8/16/24 bytes RX Threshold */ |
| #define DCREG_RFT8 0x0004 |
| #define DCREG_RFT16 0x0008 |
| #define DCREG_RFT24 0x000c |
| #define DCREG_TFT8 0x0000 /* 8/16/24/28 bytes TX Threshold */ |
| #define DCREG_TFT16 0x0001 |
| #define DCREG_TFT24 0x0002 |
| #define DCREG_TFT28 0x0003 |
| |
| /* Receive Control Register */ |
| |
| #define SONIC_RCREG 0x04 |
| #define RCREG_ERR 0x8000 /* accept damaged and collided pkts */ |
| #define RCREG_RNT 0x4000 /* accept packets that are < 64 */ |
| #define RCREG_BRD 0x2000 /* accept broadcasts */ |
| #define RCREG_PRO 0x1000 /* promiscous mode */ |
| #define RCREG_AMC 0x0800 /* accept all multicasts */ |
| #define RCREG_LB_NONE 0x0000 /* no loopback */ |
| #define RCREG_LB_MAC 0x0200 /* MAC loopback */ |
| #define RCREG_LB_ENDEC 0x0400 /* ENDEC loopback */ |
| #define RCREG_LB_XVR 0x0600 /* Transceiver loopback */ |
| #define RCREG_MC 0x0100 /* Multicast received */ |
| #define RCREG_BC 0x0080 /* Broadcast received */ |
| #define RCREG_LPKT 0x0040 /* last packet in RBA */ |
| #define RCREG_CRS 0x0020 /* carrier sense present */ |
| #define RCREG_COL 0x0010 /* recv'd packet with collision */ |
| #define RCREG_CRCR 0x0008 /* recv'd packet with CRC error */ |
| #define RCREG_FAER 0x0004 /* recv'd packet with inv. framing */ |
| #define RCREG_LBK 0x0002 /* recv'd loopback packet */ |
| #define RCREG_PRX 0x0001 /* recv'd packet is OK */ |
| |
| /* Transmit Control Register */ |
| |
| #define SONIC_TCREG 0x06 |
| #define TCREG_PINT 0x8000 /* generate interrupt after TDA read */ |
| #define TCREG_POWC 0x4000 /* timer start out of window detect */ |
| #define TCREG_CRCI 0x2000 /* inhibit CRC generation */ |
| #define TCREG_EXDIS 0x1000 /* disable excessive deferral timer */ |
| #define TCREG_EXD 0x0400 /* excessive deferral occurred */ |
| #define TCREG_DEF 0x0200 /* single deferral occurred */ |
| #define TCREG_NCRS 0x0100 /* no carrier detected */ |
| #define TCREG_CRSL 0x0080 /* carrier lost */ |
| #define TCREG_EXC 0x0040 /* excessive collisions occurred */ |
| #define TCREG_OWC 0x0020 /* out of window collision occurred */ |
| #define TCREG_PMB 0x0008 /* packet monitored bad */ |
| #define TCREG_FU 0x0004 /* FIFO underrun */ |
| #define TCREG_BCM 0x0002 /* byte count mismatch of fragments */ |
| #define TCREG_PTX 0x0001 /* packet transmitted OK */ |
| |
| /* Interrupt Mask Register */ |
| |
| #define SONIC_IMREG 0x08 |
| #define IMREG_BREN 0x4000 /* interrupt when bus retry occurred */ |
| #define IMREG_HBLEN 0x2000 /* interrupt when heartbeat lost */ |
| #define IMREG_LCDEN 0x1000 /* interrupt when CAM loaded */ |
| #define IMREG_PINTEN 0x0800 /* interrupt when PINT in TDA set */ |
| #define IMREG_PRXEN 0x0400 /* interrupt when packet received */ |
| #define IMREG_PTXEN 0x0200 /* interrupt when packet was sent */ |
| #define IMREG_TXEREN 0x0100 /* interrupt when send failed */ |
| #define IMREG_TCEN 0x0080 /* interrupt when timer completed */ |
| #define IMREG_RDEEN 0x0040 /* interrupt when RDA exhausted */ |
| #define IMREG_RBEEN 0x0020 /* interrupt when RBA exhausted */ |
| #define IMREG_RBAEEN 0x0010 /* interrupt when RBA too short */ |
| #define IMREG_CRCEN 0x0008 /* interrupt when CRC counter rolls */ |
| #define IMREG_FAEEN 0x0004 /* interrupt when FAE counter rolls */ |
| #define IMREG_MPEN 0x0002 /* interrupt when MP counter rolls */ |
| #define IMREG_RFOEN 0x0001 /* interrupt when Rx FIFO overflows */ |
| |
| /* Interrupt Status Register */ |
| |
| #define SONIC_ISREG 0x0a |
| #define ISREG_BR 0x4000 /* bus retry occurred */ |
| #define ISREG_HBL 0x2000 /* heartbeat lost */ |
| #define ISREG_LCD 0x1000 /* CAM loaded */ |
| #define ISREG_PINT 0x0800 /* PINT in TDA set */ |
| #define ISREG_PKTRX 0x0400 /* packet received */ |
| #define ISREG_TXDN 0x0200 /* packet was sent */ |
| #define ISREG_TXER 0x0100 /* send failed */ |
| #define ISREG_TC 0x0080 /* timer completed */ |
| #define ISREG_RDE 0x0040 /* RDA exhausted */ |
| #define ISREG_RBE 0x0020 /* RBA exhausted */ |
| #define ISREG_RBAE 0x0010 /* RBA too short for received frame */ |
| #define ISREG_CRC 0x0008 /* CRC counter rolls over */ |
| #define ISREG_FAE 0x0004 /* FAE counter rolls over */ |
| #define ISREG_MP 0x0002 /* MP counter rolls over */ |
| #define ISREG_RFO 0x0001 /* Rx FIFO overflows */ |
| |
| #define SONIC_UTDA 0x0c /* current transmit descr address */ |
| #define SONIC_CTDA 0x0e |
| |
| #define SONIC_URDA 0x1a /* current receive descr address */ |
| #define SONIC_CRDA 0x1c |
| |
| #define SONIC_CRBA0 0x1e /* current receive buffer address */ |
| #define SONIC_CRBA1 0x20 |
| |
| #define SONIC_RBWC0 0x22 /* word count in receive buffer */ |
| #define SONIC_RBWC1 0x24 |
| |
| #define SONIC_EOBC 0x26 /* minimum space to be free in RBA */ |
| |
| #define SONIC_URRA 0x28 /* upper address of CDA & Recv Area */ |
| |
| #define SONIC_RSA 0x2a /* start of receive resource area */ |
| |
| #define SONIC_REA 0x2c /* end of receive resource area */ |
| |
| #define SONIC_RRP 0x2e /* resource read pointer */ |
| |
| #define SONIC_RWP 0x30 /* resource write pointer */ |
| |
| #define SONIC_CAMEPTR 0x42 /* CAM entry pointer */ |
| |
| #define SONIC_CAMADDR2 0x44 /* CAM address ports */ |
| #define SONIC_CAMADDR1 0x46 |
| #define SONIC_CAMADDR0 0x48 |
| |
| #define SONIC_CAMPTR 0x4c /* lower address of CDA */ |
| |
| #define SONIC_CAMCNT 0x4e /* # of CAM descriptors to load */ |
| |
| /* Data Configuration Register 2 */ |
| |
| #define SONIC_DCREG2 0x7e |
| #define DCREG2_EXPO3 0x8000 /* extended programmable outputs */ |
| #define DCREG2_EXPO2 0x4000 |
| #define DCREG2_EXPO1 0x2000 |
| #define DCREG2_EXPO0 0x1000 |
| #define DCREG2_HD 0x0800 /* heartbeat disable */ |
| #define DCREG2_JD 0x0200 /* jabber timer disable */ |
| #define DCREG2_AUTO 0x0100 /* enable AUI/TP auto selection */ |
| #define DCREG2_XWRAP 0x0040 /* TP transceiver loopback */ |
| #define DCREG2_PH 0x0010 /* HOLD request timing */ |
| #define DCREG2_PCM 0x0004 /* packet compress when matched */ |
| #define DCREG2_PCNM 0x0002 /* packet compress when not matched */ |
| #define DCREG2_RJCM 0x0001 /* inverse packet match via CAM */ |
| |
| /* Board Control Register: Enable RAM, Interrupts... */ |
| |
| #define BCMREG 0x80 |
| #define BCMREG_RAMEN 0x80 /* switch over to RAM */ |
| #define BCMREG_IPEND 0x40 /* interrupt pending ? */ |
| #define BCMREG_RESET 0x08 /* reset board */ |
| #define BCMREG_16BIT 0x04 /* adapter in 16-bit slot */ |
| #define BCMREG_RAMWIN 0x02 /* enable RAM window */ |
| #define BCMREG_IEN 0x01 /* interrupt enable */ |
| |
| /* MAC Address PROM */ |
| |
| #define MACADDRPROM 0x92 |
| |
| /* structure of a CAM entry */ |
| |
| typedef struct { |
| u32 index; /* pointer into CAM area */ |
| u32 addr0; /* address part (bits 0..15 used) */ |
| u32 addr1; |
| u32 addr2; |
| } camentry_t; |
| |
| /* structure of a receive resource */ |
| |
| typedef struct { |
| u32 startlo; /* start address (bits 0..15 used) */ |
| u32 starthi; |
| u32 cntlo; /* size in 16-bit quantities */ |
| u32 cnthi; |
| } rra_t; |
| |
| /* structure of a receive descriptor */ |
| |
| typedef struct { |
| u32 status; /* packet status */ |
| u32 length; /* length in bytes */ |
| u32 startlo; /* start address */ |
| u32 starthi; |
| u32 seqno; /* frame sequence */ |
| u32 link; /* pointer to next descriptor */ |
| /* bit 0 = EOL */ |
| u32 inuse; /* !=0 --> free for SONIC to write */ |
| } rda_t; |
| |
| /* structure of a transmit descriptor */ |
| |
| typedef struct { |
| u32 status; /* transmit status */ |
| u32 config; /* value for TCR */ |
| u32 length; /* total length */ |
| u32 fragcount; /* number of fragments */ |
| u32 startlo; /* start address of fragment */ |
| u32 starthi; |
| u32 fraglength; /* length of this fragment */ |
| /* more address/length triplets may */ |
| /* follow here */ |
| u32 link; /* pointer to next descriptor */ |
| /* bit 0 = EOL */ |
| } tda_t; |
| |
| #endif /* _IBM_LANA_DRIVER_ */ |
| |
| #endif /* _IBM_LANA_INCLUDE_ */ |