/* ** File: eth.h Version 1.00, Jan. 14, 1997 ** ** Author: Giovanni Falzoni ** ** Interface description for ethernet device driver ** ** $Log: dp.h,v $ ** Revision 1.4 2005/09/04 18:52:16 beng ** Giovanni's fixes to dpeth: ** Date: Sat, 03 Sep 2005 11:05:22 +0200 ** Subject: Minix 3.0.8 ** ** Revision 1.3 2005/08/03 11:53:34 jnherder ** Miscellaneous cleanups. ** ** Revision 1.2 2005/08/02 15:30:35 jnherder ** Various updates to support dynamically starting drivers. ** Output during initialization should be suppressed. Unless an error occurs. ** Note that main() can now be main(int argc, char **argv) and arguments can ** be passed when bringing up the driver. ** ** Revision 1.1 2005/06/29 10:16:46 beng ** Import of dpeth 3c501/3c509b/.. ethernet driver by ** Giovanni Falzoni . ** ** Revision 2.0 2005/06/26 16:16:46 lsodgf0 ** Initial revision for Minix 3.0.6 ** ** $Id: dp.h,v 1.4 2005/09/04 18:52:16 beng Exp $ */ #undef ENABLE_3C501 #undef ENABLE_3C503 #undef ENABLE_3C509 #undef ENABLE_NE2000 #undef ENABLE_WDETH #undef ENABLE_DP8390 #define ENABLE_3C501 1 /* enable 3Com Etherlink I board */ #define ENABLE_3C503 1 /* enable 3Com Etherlink II board */ #define ENABLE_3C509 1 /* enable 3Com Etherlink III board */ #define ENABLE_NE2000 1 /* enable Novell N2000 board */ #define ENABLE_WDETH 1 /* enable Western Digital WD80x3 */ #define ENABLE_DP8390 (ENABLE_3C503|ENABLE_WDETH|ENABLE_NE2000) #define HAVE_BUFFERS (ENABLE_3C501|ENABLE_3C509) #undef NULL #define NULL ((void *)0) #define NOT(x) (~(x)) #if debug == 1 # define DEBUG(statm) statm #else # define DEBUG(statm) #endif typedef struct _m_hdr_t { /* Buffer handling header */ struct _m_hdr_t *next; int size; } m_hdr_t; typedef struct _buff_t { /* Receive/Transmit buffer header */ struct _buff_t *next; int size; int client; char buffer[2]; } buff_t; struct dpeth; struct iovec_dat; typedef void (*dp_eth_t) (struct dpeth *); typedef void (*dp_send_recv_t) (struct dpeth *, int, int); #if ENABLE_DP8390 == 1 typedef void (*dp_user2nicf_t) (struct dpeth *, int, int); typedef void (*dp_nic2userf_t) (struct dpeth *, int, int); typedef void (*dp_getblock_t) (struct dpeth *, u16_t, int, void *); #endif #define DE_PORT_NR 2 /* Number of devices supported */ #define SENDQ_NR 2 /* Size of the send queue */ #define IOVEC_NR 16 /* Number of IOVEC entries at a time */ typedef struct iovec_dat { iovec_t iod_iovec[IOVEC_NR]; int iod_iovec_s; int iod_proc_nr; vir_bytes iod_iovec_addr; } iovec_dat_t; typedef struct dpeth { /* The de_base_port field is the starting point of the probe. The * conf routine also fills de_linmem and de_irq. If the probe routine * knows the irq and/or memory address because they are hardwired in * the board, the probe should modify these fields. Futhermore, the * probe routine should also fill in de_initf and de_stopf fields * with the appropriate function pointers and set de_prog_IO iff * programmed I/O is to be used. * * The initf function fills the following fields. Only cards that do * programmed I/O fill in the de_data_port field. In addition, the * init routine has to fill in the sendq data structures. */ /* Board hardware interface */ port_t de_base_port; port_t de_data_port; /* For boards using Prog. I/O for xmit/recv */ int de_irq; int de_int_pending; int de_hook; /* interrupt hook at kernel */ char de_name[8]; #define DEI_DEFAULT 0x8000 phys_bytes de_linmem; /* For boards using shared memory */ unsigned short de_memsegm; vir_bytes de_memoffs; int de_ramsize; /* Size of on board memory */ int de_offset_page; /* Offset of shared memory page */ /* Board specific functions */ dp_eth_t de_initf; dp_eth_t de_stopf; dp_eth_t de_resetf; dp_eth_t de_flagsf; dp_eth_t de_getstatsf; dp_eth_t de_dumpstatsf; dp_eth_t de_interruptf; dp_send_recv_t de_recvf; dp_send_recv_t de_sendf; ether_addr_t de_address; /* Ethernet Address */ eth_stat_t de_stat; /* Ethernet Statistics */ unsigned long bytes_Tx; /* Total bytes sent/received */ unsigned long bytes_Rx; #define SA_ADDR_LEN sizeof(ether_addr_t) int de_flags; /* Send/Receive mode (Configuration) */ #define DEF_EMPTY 0x0000 #define DEF_READING 0x0001 #define DEF_RECV_BUSY 0x0002 #define DEF_ACK_RECV 0x0004 #define DEF_SENDING 0x0010 #define DEF_XMIT_BUSY 0x0020 #define DEF_ACK_SEND 0x0040 #define DEF_PROMISC 0x0100 #define DEF_MULTI 0x0200 #define DEF_BROAD 0x0400 #define DEF_ENABLED 0x2000 #define DEF_STOPPED 0x4000 int de_mode; /* Status of the Interface */ #define DEM_DISABLED 0x0000 #define DEM_SINK 0x0001 #define DEM_ENABLED 0x0002 /* Temporary storage for RECV/SEND requests */ iovec_dat_t de_read_iovec; iovec_dat_t de_write_iovec; vir_bytes de_read_s; vir_bytes de_send_s; int de_client; /* message de_sendmsg; iovec_dat_t de_tmp_iovec; */ #if ENABLE_DP8390 == 1 /* For use by NS DP8390 driver */ port_t de_dp8390_port; int de_prog_IO; int de_16bit; int de_startpage; int de_stoppage; /* Do it yourself send queue */ struct sendq { int sq_filled; /* This buffer contains a packet */ int sq_size; /* with this size */ int sq_sendpage; /* starting page of the buffer */ } de_sendq[SENDQ_NR]; int de_sendq_nr; int de_sendq_head; /* Enqueue at the head */ int de_sendq_tail; /* Dequeue at the tail */ dp_user2nicf_t de_user2nicf; dp_nic2userf_t de_nic2userf; dp_getblock_t de_getblockf; #endif #if ENABLE_3C509 == 1 /* For use by 3Com Etherlink III (3c509) driver */ port_t de_id_port; port_t de_if_port; #endif #if ENABLE_3C501 == 1 || ENABLE_3C509 == 1 /* For use by 3Com Etherlink (3c501 and 3c509) driver */ buff_t *de_recvq_head; buff_t *de_recvq_tail; buff_t *de_xmitq_head; buff_t *de_xmitq_tail; u16_t de_recv_mode; clock_t de_xmit_start; #endif } dpeth_t; /* * Function definitions */ /* dp.c */ void dp_next_iovec(iovec_dat_t * iovp); /* devio.c */ #if defined USE_IOPL #include #else unsigned int inb(unsigned short int); unsigned int inw(unsigned short int); void insb(unsigned short int, int, void *, int); void insw(unsigned short int, int, void *, int); void outb(unsigned short int, unsigned long); void outw(unsigned short int, unsigned long); void outsb(unsigned short int, int, void *, int); void outsw(unsigned short int, int, void *, int); #endif /* netbuff.c */ void *alloc_buff(dpeth_t *, int); void free_buff(dpeth_t *, void *); void init_buff(dpeth_t *, buff_t **); void mem2user(dpeth_t *, buff_t *); void user2mem(dpeth_t *, buff_t *); /* 3c501.c */ #if ENABLE_3C501 == 1 int el1_probe(dpeth_t *); #else #define el1_probe(x) (0) #endif /* 3c503.c */ #if ENABLE_3C503 == 1 int el2_probe(dpeth_t *); #else #define el2_probe(x) (0) #endif /* 3c509.c */ #if ENABLE_3C509 == 1 int el3_probe(dpeth_t *); #else #define el3_probe(x) (0) #endif /* ne.c */ #if ENABLE_NE2000 == 1 int ne_probe(dpeth_t * dep); #else #define ne_probe(x) (0) #endif /* wd.c */ #if ENABLE_WDETH == 1 int wdeth_probe(dpeth_t * dep); #else #define wdeth_probe(x) (0) #endif #define lock() (++dep->de_int_pending,sys_irqdisable(&dep->de_hook)) #define unlock() do{int i=(--dep->de_int_pending)?0:sys_irqenable(&dep->de_hook);}while(0) #define milli_delay(t) tickdelay(1) /** dp.h **/