diff options
| author | Ralf Corsepius <ralf.corsepius@rtems.org> | 2011-03-01 17:40:16 +0000 |
|---|---|---|
| committer | Ralf Corsepius <ralf.corsepius@rtems.org> | 2011-03-01 17:40:16 +0000 |
| commit | 8986eb3674f73ce5343160273e23faed563a786e (patch) | |
| tree | 4daa817c7676074a4025713700435d36b13bb5a6 /c/src/lib/libbsp/i386/i386ex/network | |
| parent | Add config.h.in (diff) | |
| download | rtems-8986eb3674f73ce5343160273e23faed563a786e.tar.bz2 | |
Remove (Abandoned).
Diffstat (limited to 'c/src/lib/libbsp/i386/i386ex/network')
| -rw-r--r-- | c/src/lib/libbsp/i386/i386ex/network/netexterns.h | 18 | ||||
| -rw-r--r-- | c/src/lib/libbsp/i386/i386ex/network/network.c | 2724 | ||||
| -rw-r--r-- | c/src/lib/libbsp/i386/i386ex/network/uti596.h | 284 |
3 files changed, 0 insertions, 3026 deletions
diff --git a/c/src/lib/libbsp/i386/i386ex/network/netexterns.h b/c/src/lib/libbsp/i386/i386ex/network/netexterns.h deleted file mode 100644 index 4ad43f2231..0000000000 --- a/c/src/lib/libbsp/i386/i386ex/network/netexterns.h +++ /dev/null @@ -1,18 +0,0 @@ -/* - * $Id$ - */ - -#ifndef NET_EXTERNS_H -#define NET_EXTERNS_H - -/* - * External entry points - */ - -extern int uti596_attach(struct rtems_bsdnet_ifconfig *); -extern int uti596dump(char * ); -extern void uti596reset(void); -extern void uti596Diagnose(int); -extern void uti596_request_reset(void); - -#endif diff --git a/c/src/lib/libbsp/i386/i386ex/network/network.c b/c/src/lib/libbsp/i386/i386ex/network/network.c deleted file mode 100644 index c12f619c45..0000000000 --- a/c/src/lib/libbsp/i386/i386ex/network/network.c +++ /dev/null @@ -1,2724 +0,0 @@ -/* uti595.c: An 82596 ethernet driver for rtems-bsd. - * - * $Id$ - */ - -void dump_scb(void); -void printk_time(void); - -#ifdef DBG_VERSION -#define BREAKPOINT() __asm__ (" int $3"); -#else -#define BREAKPOINT() -#endif - -/* - - EII: Oct 16 : Version 0.0 - -*/ - -#define DMA_MODE_CASCADE 0xC0 /* pass thru DREQ->HRQ, DACK<-HLDA only */ -#define DMA_MASK_REG 0x0A -#define DMA_MODE_REG 0x0B -#define DMA_ENABLE 0x0 -#define DMA_DISABLE 0x4 - -struct i596_rfd *pISR_Rfd; - -void show_buffers (void); -void show_queues(void); - -void outbyte(char); -void dumpQ(void); - -#define UTI_596_ASSERT( condition, str ) { if (!( condition ) ) printk(str); } -int count_rx = 0; - -/* static char *version = "uti596.c:v0.0 11/13/97\n"; */ - -#include <bsp.h> -#include <stdio.h> -#include <stdlib.h> -#include <errno.h> -#include <rtems/error.h> -#include <rtems/rtems_bsdnet.h> - -#include <sys/param.h> -#include <sys/mbuf.h> -#include <sys/socket.h> -#include <sys/sockio.h> - -#include <net/if.h> - -#include <netinet/in.h> -#include <netinet/if_ether.h> - -#include "uti596.h" -#include "netexterns.h" - -#include <rtems/asm.h> -#include <string.h> - -/* #include "../misc/utils.h" */ - -static struct uti596_softc uti596_softc; - -static int scbStatus; -static struct i596_cmd *pIsrCmd; -static struct i596_rfd *pIsrRfd; - -/* - * Initial 596 configuration - */ -char uti596initSetup[] = { - 0x0E, /* length, prefetch off ( no RBD's ) */ - 0xC8, /* fifo to 8, monitor off */ - 0x40, /* don't save bad frames ( was save= 80, use intel's 40 )*/ - 0x2E, /* No source address insertion, 8 byte preamble */ - 0x00, /* priority and backoff defaults */ - 0x60, /* interframe spacing */ - 0x00, /* slot time LSB */ - 0xf2, /* slot time and retries */ - 0x0C, /* */ - 0x08, /* collision detect */ - 0x40, /* minimum frame length */ - 0xfb, /* tried C8 same as byte 1 in bits 6-7, else ignored*/ - 0x00, - 0x3f /* no multi IA */ }; -/* - * Externally defined symbols - */ -#define RX_BUF_COUNT 15 -#define TX_BUF_COUNT 4 -#define TX_BD_PER_BUF 4 - -#define INTERRUPT_EVENT RTEMS_EVENT_1 -#define START_TRANSMIT_EVENT RTEMS_EVENT_2 -#define NIC_RESET_EVENT RTEMS_EVENT_3 - -#define RBUF_SIZE 1520 - -/* - * Local Routines - */ - -/* These are extern, and non-inline for testing purposes */ - -void uti596addCmd (struct i596_cmd *pCmd); -void uti596_initMem (struct uti596_softc *); -void uti596_init (void * ); -int uti596initRxBufs (int num); -int uti596_initRFA (int num); -int uti596initRxBufs (int num); -static int uti596_ioctl (struct ifnet *, ioctl_command_t, caddr_t); -rtems_isr uti596DynamicInterruptHandler (rtems_vector_number); - -void uti596_txDaemon (void *); -void uti596_rxDaemon (void *); -void uti596_resetDaemon (void *); - -void uti596_stop (struct uti596_softc *); -static void uti596_start (struct ifnet *); - -void uti596reset (void); - -void uti596_stats (struct uti596_softc *); - -void uti596_initialize_hardware(struct uti596_softc *); -void uti596_reset_hardware(struct uti596_softc *); - -void uti596clearListStatus(struct i596_rfd *); -void uti596addPolledCmd(struct i596_cmd *); - -void uti596supplyFD(struct i596_rfd *); - -struct i596_rfd * uti596dequeue( struct i596_rfd ** ); -void uti596append( struct i596_rfd ** , struct i596_rfd * ); - -#ifdef DEBUG_INIT -static void print_eth (unsigned char *); -static void print_hdr (unsigned char *); -static void print_pkt (unsigned char *); -#endif - -void send_packet(struct ifnet *, struct mbuf *); - -#define UTI_596_IRQ 5 -#define UTI_596_ETH_MIN_SIZE 60 - -/* Waits for the command word to clear. The command word is cleared AFTER the interrupt is - * generated. This allows the CPU to issue the next command - */ -#define UTI_WAIT_COMMAND_ACCEPTED(duration,function)\ -{ int waitcount = duration; \ - while ( uti596_softc.scb.command ) \ - if (--waitcount == 0) \ - { \ - printk("%s: i82596 timed out with status %x, cmd %x.\n", function, \ - uti596_softc.scb.status, uti596_softc.scb.command); \ - break; \ - } \ -} -/*************************************************************************/ - -void -uti596_request_reset(void){ - rtems_status_code sc; - - uti596_softc.nic_reset = 0; - sc = rtems_event_send(uti596_softc.resetDaemonTid, NIC_RESET_EVENT); - if ( sc != RTEMS_SUCCESSFUL ) - rtems_panic ("Can't notify resetDaemon: %s\n", rtems_status_text (sc)); -} - -static void uti596_maskOn(const rtems_irq_connect_data* irq) -{ - /* - * code should be moved from initialize_hardware - * to this location ? - */ - (void) BSP_irq_enable_at_i8259s (irq->name); -} - -static void uti596_maskOff(const rtems_irq_connect_data* irq) -{ - /* - * code should be moved from initialize_hardware - * to this location ? - */ - (void) BSP_irq_disable_at_i8259s (irq->name); -} - -static int uti596_isOn(const rtems_irq_connect_data* irq) -{ - return BSP_irq_enabled_at_i8259s (irq->name); -} - -/*********************************************************************** - * Function: uti596initRFA(int num) ( New ) - * - * Description: - * attempts to allocate and initialize ( chain together ) - * the requested number of FD's - * - * Algorithm: - * - ***********************************************************************/ - -int uti596_initRFA(int num) -{ - struct i596_rfd *pRfd; - int i = 0; - -#ifdef DBG_596 - printf ("%s: uti596_initRFA %d.\n", num); -#endif - - /* - * Initialize the first rfd in the rfa - */ - pRfd = (struct i596_rfd *) calloc (1,sizeof (struct i596_rfd)); - if ( !pRfd ) { - printf("Can't allocate all buffers: only %d allocated\n", i); - return 0; - } - else { - uti596_softc.countRFD = 1; - uti596_softc.pBeginRFA = uti596_softc.pEndRFA = pRfd; - printf ( "First Rfd allocated is: %p\n", - uti596_softc.pBeginRFA); - } - - for (i = 1; i < num; i++) { - pRfd = (struct i596_rfd *) calloc (1,sizeof (struct i596_rfd) ); - if ( pRfd != NULL ) { - uti596_softc.countRFD++; - uti596_softc.pEndRFA -> next = pRfd; /* link it in */ - uti596_softc.pEndRFA = pRfd; /* move the end */ -#ifdef DBG_596_RFA - printf("Allocated RFD @ %p\n", pRfd); -#endif - } - else { - printf("Can't allocate all buffers: only %d allocated\n", i); - break; - } - } /* end for */ - - uti596_softc.pEndRFA -> next = I596_NULL; - UTI_596_ASSERT(uti596_softc.countRFD == RX_BUF_COUNT,"INIT:WRONG RFD COUNT\n" ); - -#ifdef DBG_596_RFA - printf ( "Head of RFA is buffer %p\nEnd of RFA is buffer %p \n", - uti596_softc.pBeginRFA, - uti596_softc.pEndRFA ); -#endif - /* initialize the Rfd's */ - for ( pRfd = uti596_softc.pBeginRFA; - pRfd != I596_NULL; - pRfd = pRfd -> next ) { - - pRfd->cmd = 0x0000; - pRfd->stat = 0x0000; - pRfd->pRbd = I596_NULL; - pRfd->count = 0; /* number of bytes in buffer: usually less than size */ - pRfd->size = 1532; /* was 1532; buffer size ( All RBD ) */ - if ( pRfd -> data == NULL ) - printf("Can't allocate the RFD data buffer\n"); - } - - /* mark the last FD */ - uti596_softc.pEndRFA -> cmd = CMD_EOL; /* moved jan 13 from before the init stuff */ - -#ifdef DBG_596_RFA - printf ( "Head of RFA is buffer @ %p \n", uti596_softc.pBeginRFA ); -#endif - - uti596_softc.pSavedRfdQueue = - uti596_softc.pEndSavedQueue = I596_NULL; /* initially empty */ - - uti596_softc.savedCount = 0; - - uti596_softc.nop.cmd.command = CmdNOp; /* initialize the nop command */ - - return (i); /* the number of allocated buffers */ - -} -/*********************************************************************** - * Function: uti596supplyFD - * - * Description: returns a buffer to the receive frame pool. - * call this with Inetrrupts disabled! - * - * Algorithm: - * - ***********************************************************************/ -void uti596supplyFD(struct i596_rfd * pRfd ) -{ - struct i596_rfd *pLastRfd; - - UTI_596_ASSERT(pRfd != I596_NULL, "Supplying NULL RFD!\n"); - pRfd -> cmd = CMD_EOL; - pRfd -> pRbd = I596_NULL; - pRfd -> next = I596_NULL; - pRfd -> stat = 0x0000; /* clear STAT_C and STAT_B bits */ - - /* - * Check if the list is empty: - */ - if ( uti596_softc.pBeginRFA == I596_NULL ) { - /* Init a list w/ one entry */ - uti596_softc.pBeginRFA = uti596_softc.pEndRFA = pRfd; - UTI_596_ASSERT(uti596_softc.countRFD == 0, "Null begin, but non-zero count\n"); - if ( uti596_softc.pLastUnkRFD != I596_NULL ) - printf("LastUnkRFD is NOT NULL!!\n"); - uti596_softc.countRFD = 1; - return; - } - /* - * Check if the last RFD is used/read by the 596. - */ - pLastRfd = uti596_softc.pEndRFA; - - if ( pLastRfd != I596_NULL && - ! (pLastRfd -> stat & ( STAT_C | STAT_B ) )) { /* C = complete, B = busy (prefetched) */ - - /* - * Not yet too late to add it - */ - pLastRfd -> next = pRfd; - pLastRfd -> cmd &= ~CMD_EOL; /* RESET_EL : reset EL bit to 0 */ - uti596_softc.countRFD++; /* Lets assume we add it successfully - If not, the RFD may be used, and may decrement countRFD < 0 !!*/ - /* - * Check if the last RFD was used while appending. - */ - if ( pLastRfd -> stat & ( STAT_C | STAT_B ) ) { /* completed or was prefetched */ - /* - * Either the EL bit of the last rfd has been read by the 82596, - * and it will stop after reception,( true when RESET_EL not reached ) or - * the EL bit was NOT read by the 82596 and it will use the linked - * RFD for the next reception. ( true is RESET_EL was reached ) - * So, it is unknown whether or not the linked rfd will be used. - * Therefore, the end of list CANNOT be updated. - */ - UTI_596_ASSERT ( uti596_softc.pLastUnkRFD == I596_NULL, "Too many Unk RFD's\n" ); - uti596_softc.pLastUnkRFD = pRfd; - return; - } - else { - /* - * The RFD being added was not touched by the 82596 - */ - if (uti596_softc.pLastUnkRFD != I596_NULL ) { - - uti596append(&uti596_softc.pSavedRfdQueue, pRfd); /* Only here! saved Q */ - uti596_softc.pEndSavedQueue = pRfd; - uti596_softc.savedCount++; - uti596_softc.countRFD--; - - } - else { - uti596_softc.pEndRFA = pRfd; /* the RFA has been extended */ - if ( ( uti596_softc.scb.status & SCB_STAT_RNR || - uti596_softc.scb.status & RU_NO_RESOURCES ) && - uti596_softc.countRFD > 1 ) { /* was == 2 */ - uti596_softc.pBeginRFA -> cmd &= ~CMD_EOL; /* Ensure that beginRFA is not EOL */ - - UTI_596_ASSERT(uti596_softc.pEndRFA -> next == I596_NULL, "supply: List buggered\n"); - UTI_596_ASSERT(uti596_softc.pEndRFA -> cmd & CMD_EOL, "supply: No EOL at end.\n"); - UTI_596_ASSERT(uti596_softc.scb.command == 0, "Supply: scb command must be zero\n"); -#ifdef DBG_START - printf("Supply FD: starting receiver"); -#endif - /* start the receiver */ - UTI_596_ASSERT(uti596_softc.pBeginRFA != I596_NULL, "rx start w/ NULL begin! \n"); - uti596_softc.scb.pRfd = uti596_softc.pBeginRFA; - uti596_softc.scb.command = RX_START | SCB_STAT_RNR; /* Don't ack RNR! The receiver should be stopped in this case */ - UTI_596_ASSERT( !(uti596_softc.scb.status & SCB_STAT_FR),"FRAME RECEIVED INT COMING!\n"); - outport_byte(CHAN_ATTN, 0); - } - } - return; - - } - } - else { - /* - * too late , pLastRfd in use ( or NULL ), - * in either case, EL bit has been read, and RNR condition will occur - */ - uti596append( &uti596_softc.pSavedRfdQueue, pRfd); /* save it for RNR */ - - uti596_softc.pEndSavedQueue = pRfd; /* reset end of saved queue */ - uti596_softc.savedCount++; - - return; - } -} - -static void -uti596_start (struct ifnet *ifp) -{ - struct uti596_softc *sc = ifp->if_softc; - - rtems_event_send (sc->txDaemonTid, START_TRANSMIT_EVENT); - ifp->if_flags |= IFF_OACTIVE; -} - -void -uti596_initialize_hardware(struct uti596_softc *sc) -{ - int boguscnt = 1000; - rtems_status_code status_code; - - printf("uti596_initialize_hardware\n"); - - /* reset the board */ - outport_word( PORT_ADDR, 0 ); - outport_word( PORT_ADDR, 0 ); - - uti596_softc.pScp = (struct i596_scp *) calloc(1,sizeof(struct i596_scp) + 0xf); -#ifdef DBG_INIT - printf("initialize_hardware:Scp address initially %p\n", sc->pScp); -#endif - sc->pScp = (struct i596_scp *) - ((((int)uti596_softc.pScp) + 0xf) & 0xfffffff0); - -#ifdef DBG_INIT - printf("initialize_hardware:change scp address to : %p\n",sc->pScp); -#endif - - /* change the scp address */ -#ifdef DBG_INIT - printf("Change the SCP address\n"); -#endif - - /* - * Set the DMA mode to enable the 82596 to become a bus-master - */ - outport_byte(DMA_MASK_REG,DMA_DISABLE); /* disable_dma */ - outport_byte(DMA_MODE_REG,DMA_MODE_CASCADE); /* set dma mode */ - outport_byte(DMA_MASK_REG,DMA_ENABLE); /* enable dma */ - - /* reset the board */ - outport_word( PORT_ADDR, 0 ); - outport_word( PORT_ADDR, 0 ); - - outport_word(PORT_ADDR, ((((int)sc->pScp) & 0xffff) | 2 )); - outport_word(PORT_ADDR, (( (int)sc->pScp) >> 16 ) & 0xffff ); - - /* This is linear mode, LOCK function is disabled */ - - sc->pScp->sysbus = 0x00540000; - sc->pScp->iscp = &sc->iscp; - sc->iscp.scb = &sc->scb; - sc->iscp.stat = 0x0001; - - sc->pCmdHead = sc->scb.pCmd = I596_NULL; - -#ifdef DBG_596 - printf("Starting i82596.\n"); -#endif - - /* Pass the scb address to the 596 */ - outport_word(CHAN_ATTN,0); - - while (sc->iscp.stat) - if (--boguscnt == 0) - { - printf("initialize_hardware: timed out with status %4.4lx\n", - sc->iscp.stat ); - break; - } - - /* clear the command word */ - sc->scb.command = 0; - - /* - * Set up interrupts ( NEW irq style ) - */ - sc->irqInfo.name = UTI_596_IRQ; - sc->irqInfo.hdl = ( void * ) uti596DynamicInterruptHandler; - sc->irqInfo.on = uti596_maskOn; - sc->irqInfo.off = uti596_maskOff; - sc->irqInfo.isOn = uti596_isOn; - - status_code = BSP_install_rtems_irq_handler (&sc->irqInfo); - if (!status_code) - rtems_panic ("Can't attach uti596 interrupt handler for irq %d\n", - sc->irqInfo.name); - - /* Initialize the 82596 memory ( Transmit buffers ) */ - uti596_initMem(sc); - -#ifdef DBG_INIT - printf("After attach, status of board = 0x%x\n", sc->scb.status ); -#endif - outport_word(0x380, 0xf); /* reset the LED's */ -} - - -void -uti596_reset_hardware(struct uti596_softc *sc) -{ - int boguscnt = 1000; - rtems_status_code status_code; - struct i596_cmd *pCmd; - - printf("uti596_reset_hardware\n"); - pCmd = sc->pCmdHead; /* This is a tx command for sure (99.99999%) */ - - /* reset the board */ - outport_word( PORT_ADDR, 0 ); - outport_word( PORT_ADDR, 0 ); - - if ( sc->pScp == NULL ) { - printf("Calloc scp\n"); - uti596_softc.pScp = (struct i596_scp *) calloc(1,sizeof(struct i596_scp) + 0xf); - } - -#ifdef DBG_RESET - printf("reset_hardware:Scp address %p\n", sc->pScp); -#endif - sc->pScp = (struct i596_scp *) - ((((int)uti596_softc.pScp) + 0xf) & 0xfffffff0); - -#ifdef DBG_RESET - printf("reset_hardware:change scp address to : %p\n",sc->pScp); -#endif - - /* change the scp address */ -#ifdef DBG_RESET - printf("Change the SCP address\n"); -#endif - - /* - * Set the DMA mode to enable the 82596 to become a bus-master - */ - outport_byte(DMA_MASK_REG,DMA_DISABLE); /* disable_dma */ - outport_byte(DMA_MODE_REG,DMA_MODE_CASCADE); /* set dma mode */ - outport_byte(DMA_MASK_REG,DMA_ENABLE); /* enable dma */ - - /* reset the board */ - outport_word( PORT_ADDR, 0 ); - outport_word( PORT_ADDR, 0 ); - - /* outport_word(PORT_ADDR, ((((int)uti596_softc.pScp) & 0xffff) | 2 )); - outport_word(PORT_ADDR, (( (int)uti596_softc.pScp) >> 16 ) & 0xffff ); */ - - outport_word(PORT_ADDR, ((((int)sc->pScp) & 0xffff) | 2 )); - outport_word(PORT_ADDR, (( (int)sc->pScp) >> 16 ) & 0xffff ); - - /* This is linear mode, LOCK function is disabled */ - - sc->pScp->sysbus = 0x00540000; - sc->pScp->iscp = &sc->iscp; - sc->iscp.scb = &sc->scb; - sc->iscp.stat = 0x0001; - - sc->pCmdHead = sc->scb.pCmd = I596_NULL; - /* - * Wake the transmitter if needed. - */ - if ( uti596_softc.txDaemonTid && pCmd != I596_NULL ){ - printf("****RESET: wakes transmitter!\n"); - status_code = rtems_event_send (uti596_softc.txDaemonTid, - INTERRUPT_EVENT); - - if ( status_code != RTEMS_SUCCESSFUL ) - printk("****ERROR:Could NOT send event to tid 0x%x : %s\n", - uti596_softc.txDaemonTid, rtems_status_text (status_code) ); - } - -#ifdef DBG_596 - printf("reset_hardware: starting i82596.\n"); -#endif - - /* Pass the scb address to the 596 */ - outport_word(CHAN_ATTN,0); - - while (sc->iscp.stat) - if (--boguscnt == 0) - { - printf("reset_hardware: timed out with status %4.4lx\n", - sc->iscp.stat ); - break; - } - - /* clear the command word */ - sc->scb.command = 0; - -#ifdef DBG_RESET - printf("After reset_hardware, status of board = 0x%x\n", sc->scb.status ); -#endif - - outport_word(0x380, 0xf); /* reset the LED's */ -} - - -/*********************************************************************** - * Function: uti596_initMem - * - * Description: - * creates the necessary descriptors for the - * uti596 board, hooks the interrupt, and starts the board. - * Assumes that interrupts are hooked. - * - * Algorithm: - * - ***********************************************************************/ - - void -uti596_initMem(struct uti596_softc * sc) -{ - int i,count; - struct i596_tbd *pTbd; - - sc->resetDone = 0; /* ??? */ - - /* - * Set up receive frame area (RFA) - */ - i = uti596_initRFA( sc->rxBdCount ); - if ( i < sc->rxBdCount ) - printf("init_rfd: only able to allocate %d receive frame descriptors\n", i); - - sc->scb.pRfd = sc->pBeginRFA; - -#ifdef DBG_INIT - printf(" IRQ %d.\n", sc->irqInfo.name); -#endif - - /* - * Diagnose the health of the board - */ - uti596Diagnose(1); - - /* - * set up the i596 config command - */ -#ifdef DBG_INIT - printf("Configuring\n"); -#endif - - sc->set_conf.cmd.command = CmdConfigure; - memcpy (sc->set_conf.data, uti596initSetup, 14); - uti596addPolledCmd( (struct i596_cmd *) &sc->set_conf); - - /**** - * POLL - ****/ - - count = 2000; - while( !( sc->set_conf.cmd.status & STAT_C ) && --count ) - printf("."); - - if ( count ) - printf("Configure OK, count = %d\n",count); - else - printf("***Configure failed\n"); - - /*******/ - - /* - * Create the IA setup command - */ - -#ifdef DBG_INIT - printf("Setting Address\n"); -#endif - sc->set_add.cmd.command = CmdSASetup; - for ( i=0; i<6; i++) - sc->set_add.data[i]=sc->arpcom.ac_enaddr[i]; - - sc->cmdOk = 0; - uti596addPolledCmd((struct i596_cmd *)&sc->set_add); - /*******/ - - count = 2000; - while( !(sc->set_add.cmd.status & STAT_C ) && --count) - printf("."); - - if ( count ) - printf ("Set Address OK, count= %d\n",count); - else - printf("Set Address Failed\n"); - /*******/ - -#ifdef DBG_INIT - printf( "After initialization, status and command: 0x%x, 0x%x\n", - sc->scb.status, sc->scb.status); - -#endif - - /* initialize transmit buffer descriptors*/ - sc->pLastUnkRFD = I596_NULL; - sc->pTxCmd = (struct tx_cmd *) calloc (1,sizeof (struct tx_cmd) ); - sc->pTbd = (struct i596_tbd *) calloc (1,sizeof (struct i596_tbd) ); - sc->pTxCmd -> pTbd = sc->pTbd; - sc->pTxCmd->cmd.command = CMD_FLEX|CmdTx; - sc->pTxCmd->pad = 0; - sc->pTxCmd->size = 0; /* all bytes are in list of TBD's */ - - pTbd = sc->pTbd; - - for ( i=0; i<sc->txBdCount; i++) - pTbd = pTbd -> next = (struct i596_tbd *) calloc (1,sizeof (struct i596_tbd) ); - - pTbd -> next = I596_NULL; - - memset ( &sc->zeroes, 0, 64); - -#ifdef DBG_596 - printf( "After receiver start, status and command: 0x%x, 0x%x\n", - sc->scb.status, sc->scb.status); -#endif - printf("uti596_initMem allows ISR's\n"); - sc->resetDone = 1; /* now need ISR */ - -} - - -/*********************************************************************** - * Function: uti596dump - * - * Description: Dump 596 registers - * - * Algorithm: - ***********************************************************************/ -/* static */ int -uti596dump(char * pDumpArea) -{ - struct i596_dump dumpCmd; - int boguscnt = 25000000; /* over a second! */ - -#ifdef DBG_596 -printf("uti596dump:\n"); -#endif - - dumpCmd.cmd.command = CmdDump; - dumpCmd.cmd.next = I596_NULL; - dumpCmd.pData = pDumpArea; - uti596_softc.cmdOk = 0; - uti596addCmd ( (struct i596_cmd *)&dumpCmd); - while (1) - if ( --boguscnt == 0){ - printf("Dump command was not processed within spin loop delay\n"); - return 0; - } - else { - if ( uti596_softc.cmdOk ) - return 1; /* successful completion */ - } - -} - -/*********************************************************************** - * Function: uti596_rxDaemon - * - * Description: Receiver task - * - * Algorithm: Extract the packet from an RFD, and place into an - * mbuf chain. Place the mbuf chain in the network task - * queue. Assumes that the frame check sequence is removed - * by the 82596. - * - ***********************************************************************/ - -/* static */ void -uti596_rxDaemon(void *arg) -{ - struct uti596_softc *sc = (struct uti596_softc *)arg; - struct ifnet *ifp = &sc->arpcom.ac_if; - struct mbuf *m; - - struct i596_rfd *pRfd; - ISR_Level level; - rtems_id tid; - rtems_event_set events; - struct ether_header *eh; - - int frames = 0; - -#ifdef DBG_596 - printf ("uti596_rxDaemon\n"); - printf("&scb = %p, pRfd = %p\n", &sc->scb,sc->scb.pRfd); -#endif - - rtems_task_ident (0, 0, &tid); - -#ifdef DBG_596 - printf("RX tid = 0x%x\n", tid); -#endif - - for(;;) { - /* - * Wait for packet. - */ -#ifdef DBG_596 - printf("Receiver sleeps\n"); -#endif - - rtems_bsdnet_event_receive (INTERRUPT_EVENT, - RTEMS_WAIT|RTEMS_EVENT_ANY, - RTEMS_NO_TIMEOUT, - &events); - -#ifdef DBG_596 - printf("Receiver wakes\n"); -#endif - /* - * While received frames are available. Note that the frame may be - * a fragment, so it is NOT a complete packet. - */ - pRfd = uti596dequeue( &sc->pInboundFrameQueue); - while ( pRfd && - pRfd != I596_NULL && - pRfd -> stat & STAT_C ) - { - -#ifdef DEBUG_INIT - printf("\nReceived packet:\n"); - print_eth( pRfd->data); -#endif - if ( pRfd->stat & STAT_OK){ - /* a good frame. Allocate an mbuf to take it from the queue */ - - int pkt_len = pRfd->count & 0x3fff; /* the actual # of bytes received */ - -#ifdef DBG_596 - printf("Good frame, @%p, data @%p length %d\n", pRfd, pRfd -> data , pkt_len); -#endif - frames++; - - /* - * Allocate an mbuf to give to the stack - * The format of the data portion of the RFD is: - * <ethernet header, payload>. - * The FRAME CHECK SEQUENCE / CRC is stripped by the uti596. - * This is to be optimized later.... should not have to memcopy! - */ - MGETHDR(m, M_WAIT, MT_DATA); - MCLGET(m, M_WAIT); - - m->m_pkthdr.rcvif = ifp; - /* move everything into an mbuf */ - memcpy(m->m_data, - pRfd->data, - pkt_len); - - m->m_len = m->m_pkthdr.len = pkt_len - sizeof(struct ether_header) - 4; - - /* move the header to an mbuf */ - eh = mtod (m, struct ether_header *); - m->m_data += sizeof(struct ether_header); - -#ifdef DBG_596 - printf("m->m_ext: %p pRfd -> data: %p\n", - m->m_ext, pRfd -> data); -#endif -#ifdef DEBUG_INIT_2 - printf("mbuf contains:\n"); - print_eth( (char *) (((int)m->m_data)-sizeof(struct ether_header))); - for ( i = 0; i<20; i++) - printf("."); - -#endif -#ifdef DBG_VERSION - BREAKPOINT(); -#endif - ether_input (ifp, eh, m); - - } /* end if STAT_OK */ - - else { - /* - * A bad frame is present: Note that this could be the last RFD! - */ -#ifdef DBG_596 - printf("Bad frame\n"); -#endif - /* - * FIX ME: use the statistics from the SCB - */ - sc->stats.rx_errors++; - if ((sc->scb.pRfd->stat) & 0x0001) - sc->stats.collisions++; - if ((sc->scb.pRfd->stat) & 0x0080) - sc->stats.rx_length_errors++; - if ((sc->scb.pRfd->stat) & 0x0100) - sc->stats.rx_over_errors++; - if ((sc->scb.pRfd->stat) & 0x0200) - sc->stats.rx_fifo_errors++; - if ((sc->scb.pRfd->stat) & 0x0400) - sc->stats.rx_frame_errors++; - if ((sc->scb.pRfd->stat) & 0x0800) - sc->stats.rx_crc_errors++; - if ((sc->scb.pRfd->stat) & 0x1000) - sc->stats.rx_length_errors++; - } - - UTI_596_ASSERT(pRfd != I596_NULL, "Supplying NULL RFD\n"); - -#ifdef DBG_SUPPLY_FD - printf("Supply FD Starting\n"); -#endif - _ISR_Disable(level); - uti596supplyFD ( pRfd ); /* Return RFD to RFA. CAN WE REALLY?*/ - _ISR_Enable(level); -#ifdef DBG_SUPPLY_FD - printf("Supply FD Complete\n"); -#endif -#ifdef DBG_VERSION - BREAKPOINT(); -#endif - - pRfd = uti596dequeue( &sc->pInboundFrameQueue); /* grab next frame */ - - } /* end while */ - } /* end for(;;)*/ - -#ifdef DBG_596 - printf ("frames %d\n", frames); -#endif - -} - - /*********************************************************************** - * Function: uti596clearListStatus - * - * Description: - * Clear the stat fields for all rfd's - * Algorithm: - * - ***********************************************************************/ - -void -uti596clearListStatus(struct i596_rfd *pRfd) -{ - - while ( pRfd != I596_NULL ) { - pRfd -> stat = 0; /* clear the status field */ - pRfd = pRfd-> next; - } -} - -void uti596reset(void) - { - int i,count; - struct uti596_softc *sc = &uti596_softc; - /* struct i596_rfd * pRfd; */ - -#ifdef DBG_RESET - printf ("reset: begins\n"); -#endif - - sc->resetDone = 0; - sc->irqInfo.off(&sc->irqInfo); - - UTI_WAIT_COMMAND_ACCEPTED(10000, "reset: wait for previous command complete"); - - /* abort ALL of the current work */ - /* FEB 17 REMOVED - ====> - sc->scb.command = CUC_ABORT | RX_ABORT; - outport_word(CHAN_ATTN,0); - UTI_WAIT_COMMAND_ACCEPTED(4000, "reset: abort requested"); - <==== - */ - - uti596_reset_hardware(&uti596_softc); /* reset the ethernet hardware. must re-config */ - -#ifdef DBG_RESET - uti596Diagnose(1); -#endif - - sc->set_conf.cmd.command = CmdConfigure; - memcpy (sc->set_conf.data, uti596initSetup, 14); - uti596addPolledCmd( (struct i596_cmd *) &sc->set_conf); - - /**** - * POLL - ****/ - - count = 2000; - while( !( sc->set_conf.cmd.status & STAT_C ) && --count ) - printf("."); - - if ( count ) - printf("Configure OK, count = %d\n",count); - else - printf("***reset: Configure failed\n"); - - /* - * Create the IA setup command - */ - -#ifdef DBG_RESET - printf("reset: Setting Address\n"); -#endif - sc->set_add.cmd.command = CmdSASetup; - for ( i=0; i<6; i++) - sc->set_add.data[i]=sc->arpcom.ac_enaddr[i]; - - sc->cmdOk = 0; - uti596addPolledCmd((struct i596_cmd *)&sc->set_add); - - count = 2000; - while( !(sc->set_add.cmd.status & STAT_C ) && --count) - printf("."); - - if ( count ) - printf ("Reset Set Address OK, count= %d\n",count); - else - printf("Reset Set Address Failed\n"); - /*******/ - - sc->pCmdHead = sc->pCmdTail = sc->scb.pCmd = I596_NULL; /* Feb 17. clear these out */ - -#ifdef DBG_RESET - printf( "After reset, status and command: 0x%x, 0x%x\n", - sc->scb.status, sc->scb.status); - -#endif - - /* restore the RFA */ - - /*dumpQ();*/ - - if ( sc->pLastUnkRFD != I596_NULL ) { - sc-> pEndRFA = sc->pLastUnkRFD; /* The end position can be updated */ - sc-> pLastUnkRFD = I596_NULL; - } - - sc->pEndRFA->next = sc->pSavedRfdQueue; - if ( sc->pSavedRfdQueue != I596_NULL ) { - sc->pEndRFA = sc->pEndSavedQueue; - sc->pSavedRfdQueue = sc->pEndSavedQueue = I596_NULL; - sc -> countRFD = sc->rxBdCount ; - } - - /* if ( sc->pInboundFrameQueue != I596_NULL ){ - do { - pRfd = sc->pInboundFrameQueue->next; - sc->pEndRFA -> next = sc->pInboundFrameQueue; - sc->pInboundFrameQueue = pRfd; - } while( pRfd != I596_NULL ) ; - - } - */ - - sc->scb.pRfd = sc->pBeginRFA; /* readdress the head of the RFA in the SCB */ - - uti596clearListStatus(sc->pBeginRFA ); - - /* dumpQ();*/ - - printf("Reset:Starting NIC\n"); - sc->scb.command = RX_START; - sc->started = 1; /* we assume that the start works */ - sc->resetDone = 1; /* moved here from after channel attn. */ - outport_word(CHAN_ATTN,0 ); - UTI_WAIT_COMMAND_ACCEPTED(4000, "reset"); - printf("Reset:Start complete \n"); - UTI_596_ASSERT(sc->pCmdHead == I596_NULL, "Reset: CMD not cleared\n"); - sc->irqInfo.on(&sc->irqInfo); /* moved back here. Tried it before RX command issued. */ - - /* uti596addCmd(&uti506_softc.nop); */ /* just for fun */ - -#ifdef DBG_RESET - printf("reset: complete\n"); -#endif - } - - /*********************************************************************** - * Function: uti596addCmd - * - * Description: - * This routine adds a command onto the end of the - * command chain - * - * Algorithm: - * Add the command to the end of and existing chain, - * or start the chain and issue a CUC_START - * - * - ***********************************************************************/ - - /* static */ void uti596addCmd(struct i596_cmd *pCmd) - { - ISR_Level level; - - #ifdef DBG_596 - printf("Adding command 0x%x\n", pCmd -> command ); - #endif - -#ifdef DEBUG_ADD - - switch ( pCmd -> command & 0x7 ){ /* check bottom 7 bits */ - case CmdConfigure: - printf("ADD: Configure Command 0x%x\n", pCmd->command); - break; - case CmdSASetup: - printf("ADD: Set Address Command 0x%x\n", pCmd->command); - break; - case CmdMulticastList: - printf("ADD: Multi-cast list 0x%x\n", pCmd->command); - break; - case CmdNOp: - printf("ADD: NO op 0x%x\n", pCmd->command); - break; - case CmdTDR: - printf("ADD: TDR 0x%x\n", pCmd->command); - break; - case CmdDump: - printf("ADD: Dump 0x%x\n", pCmd->command); - break; - case CmdDiagnose: - printf("ADD: Diagnose 0x%x\n", pCmd->command); - break; - case CmdTx: - break; - default: - printf("****Unknown Command encountered 0x%x\n", pCmd->command); - break; - } /* end switch */ - -#endif - - pCmd->status = 0; - pCmd->command |= (CMD_EOL | CMD_INTR ); /* all commands last in list & return an interrupt */ - - pCmd->next = I596_NULL; - - _ISR_Disable(level); - if (uti596_softc.pCmdHead == I596_NULL) - { - uti596_softc.pCmdHead = - uti596_softc.pCmdTail = - uti596_softc.scb.pCmd = pCmd; -#ifdef DBG_596 - printf("First Cmd\n"); -#endif - UTI_WAIT_COMMAND_ACCEPTED(10000,"add command"); /* wait for acceptance of previous command */ - /* CHANGED TO |= Mar. 27 4:20 pm, was just =. changed back jun 18 1998. The wait assures command = 0 */ - uti596_softc.scb.command = CUC_START; - outport_word (CHAN_ATTN,0); - _ISR_Enable(level); - } - else - { -#ifdef DBG_596 - printf("Chained Cmd\n"); -#endif - uti596_softc.pCmdTail->next = pCmd; - uti596_softc.pCmdTail = pCmd; /* added Jan 30 */ - _ISR_Enable(level); - } - -#ifdef DBG_596 - printf("Scb status & command 0x%x 0x%x\n", - uti596_softc.scb.status, - uti596_softc.scb.command ); -#endif - - } - - /*********************************************************************** - * Function: uti596addPolledCmd - * - * Description: - * This routine issues a single command then polls for it's - * completion. TO BE CALLED FROM ISR ONLY - * - * Algorithm: - * Give the command to the driver. ( CUC_START is ALWAYS required ) - * Poll for completion. - * - ***********************************************************************/ - -void uti596addPolledCmd(struct i596_cmd *pCmd) - { - - #ifdef DBG_596 - printf("Adding command 0x%x\n", pCmd -> command ); - #endif - -#ifdef DBG_POLLED_CMD - - switch ( pCmd -> command & 0x7 ){ /* check bottom 7 bits */ - case CmdConfigure: - printf("PolledCMD: Configure Command 0x%x\n", pCmd->command); - break; - case CmdSASetup: - printf("PolledCMD: Set CMDress Command 0x%x\n", pCmd->command); - break; - case CmdMulticastList: - printf("PolledCMD: Multi-cast list 0x%x\n", pCmd->command); - break; - case CmdNOp: - printf("PolledCMD: NO op 0x%x\n", pCmd->command); - break; - case CmdTDR: - printf("PolledCMD: TDR 0x%x\n", pCmd->command); - break; - case CmdDump: - printf("PolledCMD: Dump 0x%x\n", pCmd->command); - break; - case CmdDiagnose: - printf("PolledCMD: Diagnose 0x%x\n", pCmd->command); - break; - case CmdTx: - break; - default: - printf("PolledCMD: ****Unknown Command encountered 0x%x\n", pCmd->command); - break; - } /* end switch */ - -#endif - - pCmd->status = 0; - pCmd->command |= CMD_EOL ; /* only command in list*/ - - pCmd->next = I596_NULL; - - UTI_WAIT_COMMAND_ACCEPTED(10000,"Add Polled command: wait prev"); - - uti596_softc.pCmdHead = uti596_softc.pCmdTail = uti596_softc.scb.pCmd = pCmd; - uti596_softc.scb.command = CUC_START; - outport_word (CHAN_ATTN,0); - - UTI_WAIT_COMMAND_ACCEPTED(10000,"Add Polled command: start"); - uti596_softc.pCmdHead = uti596_softc.pCmdTail = uti596_softc.scb.pCmd = I596_NULL; - -#ifdef DBG_POLLED_CMD - printf("Scb status & command 0x%x 0x%x\n", - uti596_softc.scb.status, - uti596_softc.scb.command ); -#endif - - } -/* - * Driver transmit daemon - */ -void -uti596_txDaemon (void *arg) -{ - struct uti596_softc *sc = (struct uti596_softc *)arg; - struct ifnet *ifp = &sc->arpcom.ac_if; - struct mbuf *m; - rtems_event_set events; - - for (;;) { - /* - * Wait for packet from stack - */ - rtems_bsdnet_event_receive (START_TRANSMIT_EVENT, - RTEMS_EVENT_ANY | RTEMS_WAIT, - RTEMS_NO_TIMEOUT, &events); - - /* - * Send packets till queue is empty. - * Ensure that irq is on before sending. - */ - for (;;) { - /* Feb 17: No need to make sure a reset is in progress, - * Since reset daemon runs at same priority as this thread - */ - /* - * Get the next mbuf chain to transmit. - */ - IF_DEQUEUE(&ifp->if_snd, m); - if (!m) - break; - - send_packet (ifp, m); /* blocks */ - } /* end for */ - ifp->if_flags &= ~IFF_OACTIVE; /* no more to send, mark output inactive */ - } -} - - -/* - * NIC reset daemon. - */ -void -uti596_resetDaemon (void *arg) -{ - struct uti596_softc *sc = (struct uti596_softc *)arg; - rtems_event_set events; - rtems_time_of_day tm_struct; - - /* struct ifnet *ifp = &sc->arpcom.ac_if; */ - - for (;;) { - /* - * Wait for reset event from ISR - */ - rtems_bsdnet_event_receive (NIC_RESET_EVENT, - RTEMS_EVENT_ANY | RTEMS_WAIT, - RTEMS_NO_TIMEOUT, &events); - - rtems_clock_get(RTEMS_CLOCK_GET_TOD, &tm_struct); - printf("reset daemon: Resetting NIC @ %" PRIu32 ":%" PRIu32 ":%" PRIu32 " \n", - tm_struct.hour, tm_struct.minute, tm_struct.second); - - sc->stats.nic_reset_count++; - /* - * Reinitialize the network card - */ - rtems_bsdnet_semaphore_obtain (); - uti596reset(); - rtems_bsdnet_semaphore_release (); - } -} - - - /*********************************************************************** - * Function: send_packet - * - * Description: Send a raw ethernet packet - * - * Algorithm: - * increment some stats counters, - * create the transmit command, - * add the command to the CBL, - * wait for event - * - ***********************************************************************/ - -void send_packet(struct ifnet *ifp, struct mbuf *m) -{ - struct i596_tbd *pPrev = I596_NULL, - *pRemainingTbdList, - *pTbd; - struct mbuf *n, *input_m = m; - - struct uti596_softc *sc = ifp->if_softc; /* is this available from ifp ?*/ - - struct mbuf *l = NULL; - unsigned int length = 0; - rtems_status_code status; - int bd_count = 0; - rtems_event_set events; - - /* - * For all mbufs in the chain, - * fill a transmit buffer descriptor - */ - pTbd = sc->pTxCmd->pTbd; - - do { - if (m->m_len) { - /* - * Fill in the buffer descriptor - */ - length += m->m_len; - pTbd->data = mtod (m, void *); - pTbd->size = m->m_len; - pPrev = pTbd; - pTbd = pTbd -> next; - l = m; - m = m->m_next; - } - else { - /* - * Just toss empty mbufs - */ - MFREE (m, n); - m = n; - if (l != NULL) - l->m_next = m; - } - } while( m != NULL && ++bd_count < 16 ); - - /* This should never happen */ - if ( bd_count == 16 ) { - printf("TX ERROR:Too many mbufs in the packet!!!\n"); - printf("Must coalesce!\n"); - } - - if ( length < UTI_596_ETH_MIN_SIZE ) { - pTbd->data = sc->zeroes; /* add padding to pTbd */ - pTbd->size = UTI_596_ETH_MIN_SIZE - length; /* zeroes have no effect on the CRC */ - } - else - pTbd = pPrev; /* Don't use pTbd in the send routine */ - - /* Disconnect the packet from the list of Tbd's */ - pRemainingTbdList = pTbd->next; - pTbd->next = I596_NULL; - pTbd->size |= UTI_596_END_OF_FRAME; - -#ifdef DBG_RAW - printf("RAW:Add cmd and sleep\n"); -#endif - - sc->rawsndcnt++; - -#ifdef DBG_RAW - printf ("sending packet\n"); -#endif - - /* Sending Zero length packet: shouldn't happen */ - if (pTbd->size <= 0) return ; - -#ifdef DEBUG_INIT_2 - printf("\nTransmitter adds packet\n"); - print_hdr ( sc->pTxCmd->pTbd->data ); /* print the first part */ - print_pkt ( sc->pTxCmd->pTbd->next->data ); /* print the first part */ - /* print_echo(sc->pTxCmd->pTbd->data); */ -#endif -#ifdef DBG_VERSION - BREAKPOINT(); -#endif - - /* add the command to the output command queue */ - uti596addCmd ( (struct i596_cmd *) sc->pTxCmd ); - - /* sleep until the command has been processed or Timeout encountered. */ - status= rtems_bsdnet_event_receive (INTERRUPT_EVENT, - RTEMS_WAIT|RTEMS_EVENT_ANY, - RTEMS_NO_TIMEOUT, - &events); - - if ( status != RTEMS_SUCCESSFUL ) { - printf("Could not sleep %s\n", rtems_status_text(status)); - } - -#ifdef DBG_RAW - printf("RAW: wake\n"); -#endif - - sc->txInterrupts++; - -#ifdef DEBUG_INIT - printf("\nTransmitter issued packet\n"); - print_hdr ( sc->pTxCmd->pTbd -> data ); /* print the first part */ - print_pkt ( sc->pTxCmd->pTbd ->next-> data ); /* print the first part */ -#endif - - if ( sc->pTxCmd -> cmd.status & STAT_OK ) - sc->stats.tx_packets++; - else - { -#ifdef DBG_RAW - printf("******Driver Error 0x%x\n", sc->pTxCmd -> cmd.status ); -#endif - sc->stats.tx_errors++; - if ( sc->pTxCmd->cmd.status & 0x0020 ) - sc->stats.tx_retries_exceeded++; - if (!(sc->pTxCmd->cmd.status & 0x0040)) - sc->stats.tx_heartbeat_errors++; - if ( sc->pTxCmd->cmd.status & 0x0400 ) - sc->stats.tx_carrier_errors++; - if ( sc->pTxCmd->cmd.status & 0x0800 ) - sc->stats.collisions++; - if ( sc->pTxCmd->cmd.status & 0x1000 ) - sc->stats.tx_aborted_errors++; - } /* end if stat_ok */ - - /* - * Restore the transmited buffer descriptor chain. - */ - pTbd -> next = pRemainingTbdList; - - /* - * Free the mbufs used by the sender. - */ - m = input_m; - while ( m != NULL ) { - MFREE(m,n); - m = n; - } - -} - - /*********************************************************************** - * Function: print_eth - * - * Description: - * Print the contents of an ethernet packet header - * CANNOT BE CALLED FROM ISR - * - * Algorithm: - * Print Destination, Src, and type of packet - * - ***********************************************************************/ - - /* static */ void print_eth(unsigned char *add) - { - int i; - short int length; - - printf("Packet Location %p\n", add); - - printf ("Dest "); - - for (i = 0; i < 6; i++) - printf(" %2.2X", add[i]); - - printf ("\n"); - - printf ("Source"); - - for (i = 6; i < 12; i++) - printf(" %2.2X", add[i]); - - printf ("\n"); - - printf ("frame type %2.2X%2.2X\n", add[12], add[13]); - - if ( add[12] == 0x08 && add[13] == 0x06 ) - { /* an ARP */ - printf("Hardware type : %2.2X%2.2X\n", add[14],add[15]); - printf("Protocol type : %2.2X%2.2X\n", add[16],add[17]); - printf("Hardware size : %2.2X\n", add[18]); - printf("Protocol size : %2.2X\n", add[19]); - printf("op : %2.2X%2.2X\n", add[20],add[21]); - - printf("Sender Enet addr: "); - - for ( i=0; i< 5 ; i++) - printf( "%x:", add[22 + i]); - - printf("%x\n", add[27]); - - printf("Sender IP addr: "); - for ( i=0; i< 3 ; i++) - printf( "%u.", add[28 + i]); - - printf("%u\n", add[31]); - - printf("Target Enet addr: "); - for ( i=0; i< 5 ; i++) - printf( "%x:", add[32 + i]); - printf("%x\n", add[37]); - - printf("Target IP addr: "); - - for ( i=0; i< 3 ; i++) - printf( "%u.", add[38 + i]); - printf("%u\n", add[41]); - - } - - if ( add[12] == 0x08 && add[13] == 0x00 ) - { /* an IP packet */ - printf("*********************IP HEADER******************\n"); - printf("IP version/IPhdr length: %2.2X TOS: %2.2X\n", add[14] , add[15]); - printf("IP total length: %2.2X %2.2X, decimal %d\n", add[16], add[17], length = (add[16]<<8 | add[17] )); - printf("IP identification: %2.2X %2.2X, 3-bit flags and offset %2.2X %2.2X\n", - add[18],add[19], add[20], add[21]); - printf("IP TTL: %2.2X, protocol: %2.2X, checksum: %2.2X %2.2X \n", - add[22],add[23],add[24],add[25]); - printf("IP packet type: %2.2X code %2.2X\n", add[34],add[35]); - - printf("Source IP address: "); - for ( i=0; i< 3 ; i++) - printf( "%u.", add[26 + i]); - - printf("%u\n", add[29]); - - printf("Destination IP address: "); - for ( i=0; i< 3 ; i++) - printf( "%u.", add[30 + i]); - printf("%u\n", add[33]); - - /* printf("********************IP Packet Data*******************\n"); - length -=20; - for ( i=0; i < length ; i++) - printf("0x%2.2x ", add[34+i]); - printf("\n"); - - printf("ICMP checksum: %2.2x %2.2x\n", add[36], add[37]); - printf("ICMP identifier: %2.2x %2.2x\n", add[38], add[39]); - printf("ICMP sequence nbr: %2.2x %2.2x\n", add[40], add[41]); - */ - } - - } -#ifdef DEBUG_INIT - - /*********************************************************************** - * Function: print_eth - * - * Description: - * Print the contents of an ethernet packet header - * CANNOT BE CALLED FROM ISR - * - * Algorithm: - * Print Destination, Src, and type of packet - * - ***********************************************************************/ - - /* static */ void print_hdr(unsigned char *add) - { - int i; - short int length; - - printf("Header Location %p\n", add); - - printf ("Dest "); - - for (i = 0; i < 6; i++) - printf(" %2.2X", add[i]); - - printf ("\n"); - - printf ("Source"); - - for (i = 6; i < 12; i++) - printf(" %2.2X", add[i]); - - printf ("\n"); - - printf ("frame type %2.2X%2.2X\n", add[12], add[13]); - - } - /*********************************************************************** - * Function: print_pkt - * - * Description: - * Print the contents of an ethernet packet header - * CANNOT BE CALLED FROM ISR - * - * Algorithm: - * Print Destination, Src, and type of packet - * - ***********************************************************************/ - - /* static */ void print_pkt(unsigned char *add) - { - int i; - short int length; - - printf("Data Location %p\n", add); - - if ( add[0] == 0x08 && add[1] == 0x06 ) - { /* an ARP */ - printf("Hardware type : %2.2X%2.2X\n", add[14],add[15]); - printf("Protocol type : %2.2X%2.2X\n", add[16],add[17]); - printf("Hardware size : %2.2X\n", add[18]); - printf("Protocol size : %2.2X\n", add[19]); - printf("op : %2.2X%2.2X\n", add[20],add[21]); - - printf("Sender Enet addr: "); - - for ( i=0; i< 5 ; i++) - printf( "%x:", add[22 + i]); - - printf("%x\n", add[27]); - - printf("Sender IP addr: "); - for ( i=0; i< 3 ; i++) - printf( "%u.", add[28 + i]); - - printf("%u\n", add[31]); - - printf("Target Enet addr: "); - for ( i=0; i< 5 ; i++) - printf( "%x:", add[32 + i]); - printf("%x\n", add[37]); - - printf("Target IP addr: "); - - for ( i=0; i< 3 ; i++) - printf( "%u.", add[38 + i]); - printf("%u\n", add[41]); - - } - - if ( add[0] == 0x08 && add[1] == 0x00 ) - { /* an IP packet */ - printf("*********************IP HEADER******************\n"); - printf("IP version/IPhdr length: %2.2X TOS: %2.2X\n", add[14] , add[15]); - printf("IP total length: %2.2X %2.2X, decimal %d\n", add[16], add[17], length = (add[16]<<8 | add[17] )); - printf("IP identification: %2.2X %2.2X, 3-bit flags and offset %2.2X %2.2X\n", - add[18],add[19], add[20], add[21]); - printf("IP TTL: %2.2X, protocol: %2.2X, checksum: %2.2X %2.2X \n", - add[22],add[23],add[24],add[25]); - printf("IP packet type: %2.2X code %2.2X\n", add[34],add[35]); - - printf("Source IP address: "); - for ( i=0; i< 3 ; i++) - printf( "%u.", add[26 + i]); - - printf("%u\n", add[29]); - - printf("Destination IP address: "); - for ( i=0; i< 3 ; i++) - printf( "%u.", add[30 + i]); - printf("%u\n", add[33]); - - printf("********************IP Packet Data*******************\n"); - length -=20; - for ( i=0; i < length ; i++) - printf("0x%2.2x ", add[34+i]); - printf("\n"); - - printf("ICMP checksum: %2.2x %2.2x\n", add[36], add[37]); - printf("ICMP identifier: %2.2x %2.2x\n", add[38], add[39]); - printf("ICMP sequence nbr: %2.2x %2.2x\n", add[40], add[41]); - } - - } - /*********************************************************************** - * Function: print_echo - * - * Description: - * Print the contents of an ethernet packet header - * CANNOT BE CALLED FROM ISR - * - * Algorithm: - * Prints only echo packets - * - ***********************************************************************/ - - /* static */ void print_echo(unsigned char *add) - { - int i; - short int length; - - if ( add[12] == 0x08 && add[13] == 0x00 ){ /* an IP packet */ - - printf("Packet Location %p\n", add); - - printf ("Dest "); - - for (i = 0; i < 6; i++) - printf(" %2.2X", add[i]); - - printf ("\n"); - - printf ("Source"); - - for (i = 6; i < 12; i++) - printf(" %2.2X", add[i]); - - printf ("\n"); - - printf ("frame type %2.2X%2.2X\n", add[12], add[13]); - - printf("*********************IP HEADER******************\n"); - printf("IP version/IPhdr length: %2.2X TOS: %2.2X\n", add[14] , add[15]); - printf("IP total length: %2.2X %2.2X, decimal %d\n", add[16], add[17], length = (add[16]<<8 | add[17] )); - printf("IP identification: %2.2X %2.2X, 3-bit flags and offset %2.2X %2.2X\n", - add[18],add[19], add[20], add[21]); - printf("IP TTL: %2.2X, protocol: %2.2X, checksum: %2.2X %2.2X \n", - add[22],add[23],add[24],add[25]); - printf("IP packet type: %2.2X code %2.2X\n", add[34],add[35]); - - printf("Source IP address: "); - for ( i=0; i< 3 ; i++) - printf( "%u.", add[26 + i]); - - printf("%u\n", add[29]); - - printf("Destination IP address: "); - for ( i=0; i< 3 ; i++) - printf( "%u.", add[30 + i]); - printf("%u\n", add[33]); - - printf("********************IP Packet Data*******************\n"); - length -=20; - for ( i=0; i < length ; i++) - printf("0x%2.2x ", add[34+i]); - printf("\n"); - - printf("ICMP checksum: %2.2x %2.2x\n", add[36], add[37]); - printf("ICMP identifier: %2.2x %2.2x\n", add[38], add[39]); - printf("ICMP sequence nbr: %2.2x %2.2x\n", add[40], add[41]); - } - } -#endif - - /*********************************************************************** - * Function: uti596_attach - * - * Description: - * User requested attach of driver to hardware - * - * Algorithm: - * - * Check that the board is present - * parse and store the command line parameters - * argv[0]: interface label, e.g., "uti596" - * argv[1]: maximum transmission unit, bytes, e.g., "1500" - * argv[2]: IP address (optional) - * initialize required rx and tx buffers - * hook interrupt - * issue start command and some diagnostics - * return - * - ***********************************************************************/ - -int uti596_attach(struct rtems_bsdnet_ifconfig * pConfig ) -{ - struct uti596_softc *sc = &uti596_softc; /* soft config */ - struct ifnet * ifp = &sc->arpcom.ac_if; - int i = 0; - -#ifdef DBG_ATTACH - printf("attach"); -#endif - - sc->started = 0; /* The NIC is not started yet */ - sc->ioAddr = IO_ADDR; - - /* Indicate to ULCS that this is initialized */ - ifp->if_softc = sc; - sc -> pScp = NULL; - - /* Assign the name */ - ifp->if_name = "uti"; - - /* Assign the unit number */ - ifp->if_unit = 1; - - /* Assign mtu */ - if ( pConfig -> mtu ) - ifp->if_mtu = pConfig -> mtu; - else - ifp->if_mtu = ETHERMTU; - - /* Assign and possibly override the hw address */ - - if ( !pConfig->hardware_address) { /* Read the ethernet address from the board */ - for (i = 0; i < 8; i++) - inport_byte(NIC_ADDR+i,sc->arpcom.ac_enaddr[i] ); - } - else { - /* hwaddr override */ - memcpy (sc->arpcom.ac_enaddr, pConfig->hardware_address, ETHER_ADDR_LEN); - } - - /* Test for valid hwaddr */ - if(memcmp(sc->arpcom.ac_enaddr,"\xAA\x55\x01",3)!= 0)/* b0 of byte 0 != 0 => multicast */ - return ENODEV; - - /* Assign requested receive buffer descriptor count */ - if (pConfig->rbuf_count) - sc->rxBdCount = pConfig->rbuf_count; - else - sc->rxBdCount = RX_BUF_COUNT; - - /* Assign requested tx buffer descriptor count */ - if (pConfig->xbuf_count) - sc->txBdCount = pConfig->xbuf_count; - else - sc->txBdCount = TX_BUF_COUNT * TX_BD_PER_BUF; - - /* ignore_broadcast is an unused feature... accept broadcast */ - /* sc->acceptBroadcast = !pConfig->ignore_broadcast; */ - - ifp->if_snd.ifq_maxlen = ifqmaxlen; - ifp->if_flags = IFF_BROADCAST | IFF_SIMPLEX; - - /* to init_hardware */ - sc->started = 1; - sc->pInboundFrameQueue = I596_NULL; - - ifp->if_ioctl = uti596_ioctl; - ifp->if_init = uti596_init; - ifp->if_start = uti596_start; - ifp->if_output = ether_output; - - sc->scb.command = 0; - - /* - * Attach the interface - */ - if_attach (ifp); - ether_ifattach (ifp); - return 1; - - } - - - /*********************************************************************** - * Function: uti596DynamicInterruptHandler - * - * Description: - * This is the interrupt handler for the uti596 board - * - * Algorithm: - * - ***********************************************************************/ - - /* static */ rtems_isr uti596DynamicInterruptHandler(rtems_vector_number irq) - { - rtems_status_code sc; -#ifdef DEBUG_ISR - printk("I"); -#endif - - UTI_WAIT_COMMAND_ACCEPTED(20000, "****ERROR:on ISR entry"); - - if ( !(i8259s_cache & 0x20 )) { - printk("****Error: network ISR running, no IRR!\n"); - printk("****Error: i8259s_cache = 0x%x\n",i8259s_cache ); - printk_time(); - } - - scbStatus = uti596_softc.scb.status & 0xf000; - - if ( scbStatus ){ - /* acknowledge interrupts */ - /* printk("***INFO: ACK %x\n", scbStatus);*/ - uti596_softc.scb.command = scbStatus; - outport_word(CHAN_ATTN, 0); - - if( uti596_softc.resetDone ) { - /* stack is attached */ - UTI_WAIT_COMMAND_ACCEPTED(20000, "****ERROR:ACK"); - } - else { - /* printk("***INFO: ACK'd w/o processing. status = %x\n", scbStatus); */ - return; - } - } - else { - printk("\n***ERROR: Spurious interrupt. Resetting...\n"); - uti596_softc.nic_reset = 1; - } - - if ( (scbStatus & SCB_STAT_CX) && !(scbStatus & SCB_STAT_CNA) ){ - printk_time(); - printk("\n*****ERROR: Command Complete, and CNA available: 0x%x\nResetting...", scbStatus); - uti596_softc.nic_reset = 1; - return; - } - - if ( !(scbStatus & SCB_STAT_CX) && (scbStatus & SCB_STAT_CNA) ) { - printk_time(); - printk("\n*****ERROR: CNA, NO CX:0x%x\nResetting...",scbStatus); - uti596_softc.nic_reset = 1; - return; - } - - if ( scbStatus & SCB_CUS_SUSPENDED ) { - printk_time(); - printk("\n*****ERROR: Command unit suspended!:0x%x\nResetting...",scbStatus); - uti596_softc.nic_reset = 1; - return; - } - - if ( scbStatus & RU_SUSPENDED ) { - printk_time(); - printk("\n*****ERROR: Receive unit suspended!:0x%x\nResetting...",scbStatus); - uti596_softc.nic_reset = 1; - return; - } - - if ( scbStatus & SCB_STAT_RNR ) { - printk_time(); - printk("\n*****WARNING: RNR %x\n",scbStatus); - printk("*****INFO: RFD cmd: %x status:%x\n", - uti596_softc.pBeginRFA -> cmd, - uti596_softc.pBeginRFA -> stat); - } - - /* - * Receive Unit Control - */ - if ( scbStatus & SCB_STAT_FR ) { /* a frame has been received */ - uti596_softc.rxInterrupts++; - -#ifdef DBG_FR - printk("\nISR:FR\n"); -#endif - if ( uti596_softc.pBeginRFA == I596_NULL || !( uti596_softc.pBeginRFA -> stat & STAT_C)){ - dump_scb(); - uti596_softc.nic_reset = 1; - } - else - while ( uti596_softc.pBeginRFA != I596_NULL && - ( uti596_softc.pBeginRFA -> stat & STAT_C)) { - -#ifdef DBG_ISR - printk("ISR:pBeginRFA != NULL\n"); -#endif - count_rx ++; - if ( count_rx > 1) - printk("****WARNING: Received 2 frames on 1 interrupt \n"); - - /* - * Give Received Frame to the ULCS - */ - uti596_softc.countRFD--; - - if ( uti596_softc.countRFD < 0 ) - printk("Count < 0 !!!: count == %d, beginRFA = %p\n", - uti596_softc.countRFD, uti596_softc.pBeginRFA); - - uti596_softc.stats.rx_packets++; - pIsrRfd = uti596_softc.pBeginRFA -> next; /* the append destroys the link */ - uti596append( &uti596_softc.pInboundFrameQueue , uti596_softc.pBeginRFA ); - - /* - * if we have just received the a frame int he last unknown RFD, - * then it is certain that the RFA is empty. - */ - if ( uti596_softc.pLastUnkRFD == uti596_softc.pBeginRFA ) { - UTI_596_ASSERT(uti596_softc.pLastUnkRFD != I596_NULL,"****ERROR:LastUnk is NULL, begin ptr @ end!\n"); - uti596_softc.pEndRFA = uti596_softc.pLastUnkRFD = I596_NULL; - } - -#ifdef DBG_ISR - printk("Wake %#x\n",uti596_softc.rxDaemonTid); -#endif - sc = rtems_event_send(uti596_softc.rxDaemonTid, INTERRUPT_EVENT); - if ( sc != RTEMS_SUCCESSFUL ) - rtems_panic ("Can't notify rxDaemon: %s\n", - rtems_status_text (sc)); -#ifdef DBG_RAW_ISR - else - printk("Rx Wake: %#x\n",uti596_softc.rxDaemonTid); -#endif - - uti596_softc.pBeginRFA = pIsrRfd; - } /* end while */ - - if ( uti596_softc.pBeginRFA == I596_NULL ){ /* adjust the pEndRFA to reflect an empty list */ - if ( uti596_softc.pLastUnkRFD == I596_NULL && uti596_softc.countRFD != 0 ) - printk("Last Unk is NULL, BeginRFA is null, and count == %d\n",uti596_softc.countRFD); - - uti596_softc.pEndRFA = I596_NULL; - if ( uti596_softc.countRFD != 0 ) { - printk("****ERROR:Count is %d, but begin ptr is NULL\n",uti596_softc.countRFD ); - } - } - - } /* end scb_stat_fr */ - - /* - * Check For Command Complete - */ - if ( scbStatus & SCB_STAT_CX ){ -#ifdef DBG_ISR - printk("ISR:CU\n"); -#endif - - pIsrCmd = uti596_softc.pCmdHead; - - /* - * For ALL completed commands - */ - if ( pIsrCmd != I596_NULL && pIsrCmd->status & STAT_C ){ - -#ifdef DBG_RAW_ISR - printk("ISR:pIsrCmd != NULL\n"); -#endif - - /* - * Adjust the command block list - */ - uti596_softc.pCmdHead = pIsrCmd -> next; - - /* - * If there are MORE commands to process, - * the serialization in the raw routine has failed. - * ( Perhaps AddCmd is bad? ) - */ - UTI_596_ASSERT(uti596_softc.pCmdHead == I596_NULL, - "****ERROR: command serialization failed\n"); - /* - * What if the command did not complete OK? - */ - switch ( pIsrCmd->command & 0x7) - { - case CmdConfigure: - - /* printk("****INFO:Configure OK\n"); */ - uti596_softc.cmdOk = 1; - break; - - case CmdDump: - -#ifdef DBG_ISR - printk("dump!\n"); -#endif - uti596_softc.cmdOk = 1; - break; - - case CmdDiagnose: - -#ifdef DBG_ISR - printk("diagnose!\n"); -#endif - uti596_softc.cmdOk = 1; - break; - - case CmdSASetup: - - /* printk("****INFO:Set address interrupt\n"); */ - if ( pIsrCmd -> status & STAT_OK ) - uti596_softc.cmdOk = 1; - else - printk("****ERROR:SET ADD FAILED\n"); - break; - - case CmdTx: - { - UTI_596_ASSERT(uti596_softc.txDaemonTid, "****ERROR:Null txDaemonTid\n"); -#ifdef DBG_ISR - printk("wake TX:0x%x\n",uti596_softc.txDaemonTid); -#endif - if ( uti596_softc.txDaemonTid ){ /* Ensure that the transmitter is present */ - sc = rtems_event_send (uti596_softc.txDaemonTid, - INTERRUPT_EVENT); - - if ( sc != RTEMS_SUCCESSFUL ) - printk("****ERROR:Could NOT send event to tid 0x%x : %s\n", - uti596_softc.txDaemonTid, rtems_status_text (sc) ); -#ifdef DBG_RAW_ISR - else - printk("****INFO:Tx wake: %#x\n",uti596_softc.txDaemonTid); -#endif - } - } /* End case Cmd_Tx */ - break; - - case CmdMulticastList: - - printk("***ERROR:Multicast?!\n"); - pIsrCmd->next = I596_NULL; - break; - - case CmdTDR: - { - unsigned long status = *( (unsigned long *)pIsrCmd)+1; - printk("****ERROR:TDR?!\n"); - - if (status & STAT_C) - { - /* - * mark the TDR command successful - */ - uti596_softc.cmdOk = 1; - } - else - { - if (status & 0x4000) - printk("****WARNING:Transceiver problem.\n"); - if (status & 0x2000) - printk("****WARNING:Termination problem.\n"); - if (status & 0x1000) - printk("****WARNING:Short circuit.\n"); - - /* printk("****INFO:Time %ld.\n", status & 0x07ff); */ - } - } - break; - - default: - /* - * This should never be reached - */ - printk("CX but NO known command\n"); - } /* end switch */ - pIsrCmd = uti596_softc.pCmdHead; /* next command */ - if ( pIsrCmd != I596_NULL ) - printk("****WARNING: more commands in list, but no start to NIC\n"); - } /* end if pIsrCmd != NULL && pIsrCmd->stat & STAT_C */ - else { - if ( pIsrCmd != I596_NULL ) { /* The command MAY be NULL from a RESET */ - - /* Reset the ethernet card, and wake the transmitter (if necessary) */ - printk_time(); - printk("****INFO: Request board reset ( tx )\n"); - uti596_softc.nic_reset = 1; - if ( uti596_softc.txDaemonTid){ /* Ensure that a transmitter is present */ - sc = rtems_event_send (uti596_softc.txDaemonTid, - INTERRUPT_EVENT); - - if ( sc != RTEMS_SUCCESSFUL ) - printk("****ERROR:Could NOT send event to tid 0x%x : %s\n",uti596_softc.txDaemonTid, rtems_status_text (sc) ); -#ifdef DBG_RAW_ISR - else - printk("****INFO:Tx wake: %#x\n",uti596_softc.txDaemonTid); -#endif - } - } - } - } /* end if command complete */ - - /* if the receiver has stopped, - * check if this is a No Resources scenario, - * Try to add more RFD's ( no RBDs are used ) - */ - if ( uti596_softc.started ) { - if ( scbStatus & SCB_STAT_RNR ){ -#ifdef DBG_ISR - printk("INFO:RNR: status %#x \n", uti596_softc.scb.status ); -#endif - /* - * THE RECEIVER IS OFF! - */ - if ( uti596_softc.pLastUnkRFD != I596_NULL ){ /* We have an unknown RFD, it is not inbound*/ - if ( uti596_softc.pLastUnkRFD -> stat & (STAT_C | STAT_B )) /* in use */ - uti596_softc.pEndRFA = uti596_softc.pLastUnkRFD; /* update end */ - else { - /* - * It is NOT in use, and since RNR, we know EL bit of pEndRFA was read! - * So, unlink it from the RFA and move it to the saved queue. - * But pBegin can equal LastUnk! - */ - - if ( uti596_softc.pEndRFA != I596_NULL ){ /* check added feb24. */ -#ifdef DEBUG_RFA - if (uti596_softc.pEndRFA -> next != uti596_softc.pLastUnkRFD){ - printk("***ERROR:UNK: %p not end->next: %p, end: %p\n", - uti596_softc.pLastUnkRFD,uti596_softc.pEndRFA -> next,uti596_softc.pEndRFA); - printk("***INFO:countRFD now %d\n", uti596_softc.countRFD); - printk("\n\n"); - - } -#endif - uti596_softc.pEndRFA -> next = I596_NULL; /* added feb 16 */ - } - uti596append( &uti596_softc.pSavedRfdQueue, uti596_softc.pLastUnkRFD ); - uti596_softc.savedCount++; - uti596_softc.pEndSavedQueue = uti596_softc.pLastUnkRFD; - uti596_softc.countRFD--; /* It was not in the RFA */ - /* - * The Begin pointer CAN advance this far. We must resynch the CPU side - * with the chip. - */ - if ( uti596_softc.pBeginRFA == uti596_softc.pLastUnkRFD ) { -#ifdef DEBUG_RFA - if ( uti596_softc.countRFD != 0 ) { - printk("****INFO:About to set begin to NULL, with count == %d\n", uti596_softc.countRFD ); - printk("\n\n"); - } -#endif - uti596_softc.pBeginRFA = I596_NULL; - UTI_596_ASSERT(uti596_softc.countRFD == 0,"****ERROR:Count must be zero here!\n"); - } - } - - uti596_softc.pLastUnkRFD = I596_NULL; - - } /* end if exists UnkRFD */ - - /* - * Append the saved queue to the RFA. - * Any further RFD's being supplied will be added to - * this new list. - */ - if ( uti596_softc.pSavedRfdQueue != I596_NULL ) { /* entries to add */ - if ( uti596_softc.pBeginRFA == I596_NULL ) { /* add at beginning to list */ -#ifdef DEBUG_RFA - if(uti596_softc.countRFD != 0) { - printk("****ERROR:Begin pointer is NULL, but count == %d\n",uti596_softc.countRFD); - } -#endif - uti596_softc.pBeginRFA = uti596_softc.pSavedRfdQueue; - uti596_softc.pEndRFA = uti596_softc.pEndSavedQueue; - uti596_softc.pSavedRfdQueue = uti596_softc.pEndSavedQueue = I596_NULL; /* Reset the End */ - } - else { -#ifdef DEBUG_RFA - if ( uti596_softc.countRFD <= 0) { - printk("****ERROR:Begin pointer is not NULL, but count == %d\n",uti596_softc.countRFD); - } -#endif - UTI_596_ASSERT( uti596_softc.pEndRFA != I596_NULL, "****WARNING: END RFA IS NULL\n"); - UTI_596_ASSERT( uti596_softc.pEndRFA->next == I596_NULL, "****ERROR:END RFA -> next must be NULL\n"); - - uti596_softc.pEndRFA->next = uti596_softc.pSavedRfdQueue; - uti596_softc.pEndRFA->cmd &= ~CMD_EOL; /* clear the end of list */ - uti596_softc.pEndRFA = uti596_softc.pEndSavedQueue; - uti596_softc.pSavedRfdQueue = uti596_softc.pEndSavedQueue = I596_NULL; /* Reset the End */ -#ifdef DEBUG_ISR - printk("count: %d, saved: %d \n", uti596_softc.countRFD , uti596_softc.savedCount); -#endif - - } - /* printk("Isr: countRFD = %d\n",uti596_softc.countRFD); */ - uti596_softc.countRFD += uti596_softc.savedCount; - /* printk("Isr: after countRFD = %d\n",uti596_softc.countRFD); */ - uti596_softc.savedCount = 0; - } - -#ifdef DBG_596_RFD - printk("The list starts here %p\n",uti596_softc.pBeginRFA ); -#endif - - if ( uti596_softc.countRFD > 1) { - /****REMOVED FEB 18. - && - !( uti596_softc.pBeginRFA -> stat & (STAT_C | STAT_B ))) { - *****/ - printk_time(); - printk("****INFO: pBeginRFA -> stat = 0x%x\n",uti596_softc.pBeginRFA -> stat); - printk("****INFO: pBeginRFA -> cmd = 0x%x\n",uti596_softc.pBeginRFA -> cmd); - uti596_softc.pBeginRFA -> stat = 0; - UTI_596_ASSERT(uti596_softc.scb.command == 0, "****ERROR:scb command must be zero\n"); - uti596_softc.scb.pRfd = uti596_softc.pBeginRFA; - /* start RX here */ - printk("****INFO: ISR Starting receiver\n"); - uti596_softc.scb.command = RX_START; /* should this also be CU start? */ - outport_word(CHAN_ATTN, 0); - } - /*****REMOVED FEB 18. - else { - printk("****WARNING: Receiver NOT Started -- countRFD = %d\n", uti596_softc.countRFD); - printk("82596 cmd: 0x%x, status: 0x%x RFA len: %d\n", - uti596_softc.scb.command, - uti596_softc.scb.status, - uti596_softc.countRFD); - - printk("\nRFA: \n"); - for ( pISR_Rfd = uti596_softc.pBeginRFA; - pISR_Rfd != I596_NULL; - pISR_Rfd = pISR_Rfd->next) - printk("Frame @ %x, status: %x, cmd: %x\n", - pISR_Rfd, pISR_Rfd->stat, pISR_Rfd->cmd); - - printk("\nInbound: \n"); - for ( pISR_Rfd = uti596_softc.pInboundFrameQueue; - pISR_Rfd != I596_NULL; - pISR_Rfd = pISR_Rfd->next) - printk("Frame @ %x, status: %x, cmd: %x\n", - pISR_Rfd, pISR_Rfd->stat, pISR_Rfd->cmd); - - printk("\nSaved: \n"); - for ( pISR_Rfd = uti596_softc.pSavedRfdQueue; - pISR_Rfd != I596_NULL; - pISR_Rfd = pISR_Rfd->next) - printk("Frame @ %x, status: %x, cmd: %x\n", - pISR_Rfd, pISR_Rfd->stat, pISR_Rfd->cmd); - printk("\nUnknown: %p\n",uti596_softc.pLastUnkRFD); - } - *****/ - } /* end stat_rnr */ - - } /* end if receiver started */ - /* UTI_596_ASSERT(uti596_softc.scb.status == scbStatus, "****WARNING:scbStatus change!\n"); */ - -#ifdef DBG_ISR - printk("X\n"); -#endif - count_rx=0; - - /* - * Do this last, to ensure that the reset is called at the right time. - */ - if ( uti596_softc.nic_reset ){ - uti596_softc.nic_reset = 0; - sc = rtems_event_send(uti596_softc.resetDaemonTid, NIC_RESET_EVENT); - if ( sc != RTEMS_SUCCESSFUL ) - rtems_panic ("Can't notify resetDaemon: %s\n", rtems_status_text (sc)); - } - - return; - } - -/*********************************************************************** - * Function: void uti596dequeue - * - * Description: - * removes an RFD from the received frame queue, - * - * Algorithm: - * - ***********************************************************************/ - -struct i596_rfd * uti596dequeue( struct i596_rfd ** ppQ ) - { - ISR_Level level; - - struct i596_rfd * pRfd; - _ISR_Disable(level); - - /* invalid address, or empty queue or emptied queue */ - if( ppQ == NULL || *ppQ == NULL || *ppQ == I596_NULL) { - _ISR_Enable(level); - return I596_NULL; - } - - pRfd = *ppQ; /* The dequeued buffer */ - *ppQ = pRfd->next; /* advance the queue pointer */ - pRfd->next = I596_NULL; /* unlink the rfd being returned */ - - _ISR_Enable(level); - return pRfd; -} - -/*********************************************************************** - * Function: void uti596append - * - * Description: - * adds an RFD to the end of the received frame queue, - * for processing by the rxproc. - * Also removes this RFD from the RFA - * - * Algorithm: - * - ***********************************************************************/ - -void uti596append( struct i596_rfd ** ppQ , struct i596_rfd * pRfd ) -{ - - struct i596_rfd *p; - - if ( pRfd != NULL && pRfd != I596_NULL) { - pRfd -> next = I596_NULL; - pRfd -> cmd |= CMD_EOL; /* set EL bit */ - - if ( *ppQ == NULL || *ppQ == I596_NULL ) { - /* Empty or emptied */ - *ppQ = pRfd; - } - else - { - for ( p=*ppQ; p -> next != I596_NULL; p=p->next) - ; - - p->cmd &= ~CMD_EOL; /* Clear EL bit at end */ - p->next = pRfd; - } - } - else - printf("Illegal attempt to append: %p\n", pRfd); -} - - -/*********************************************************************** - * Function: uti596stop - * - * Description: - * stop the driver - * - * Algorithm: - * mark driver as not started, - * mark transmitter as busy - * abort any transmissions/receptions - * clean-up all buffers ( RFD's et. al. ) - * - * - * - * - ***********************************************************************/ - -/* static */ -void uti596_stop(struct uti596_softc *sc) -{ - sc->started = 0; - -#ifdef DBG_596 - printf("%s: Shutting down ethercard, status was %4.4x.\n", - uti596_softc.pIface->name, uti596_softc.scb.status); -#endif - - printf("Stopping interface\n"); - sc->scb.command = CUC_ABORT|RX_ABORT; - outport_word( CHAN_ATTN, 0 ); - -} - -static int -uti596_ioctl (struct ifnet *ifp, ioctl_command_t command, caddr_t data) -{ - struct uti596_softc *sc = ifp->if_softc; - int error = 0; - - switch (command) { - case SIOCGIFADDR: - case SIOCSIFADDR: - printk("SIOCSIFADDR\n"); - ether_ioctl (ifp, command, data); - break; - - case SIOCSIFFLAGS: - printk("SIOCSIFFLAGS\n"); - switch (ifp->if_flags & (IFF_UP | IFF_RUNNING)) { - case IFF_RUNNING: - printk("IFF_RUNNING\n"); - uti596_stop (sc); - break; - - case IFF_UP: - printk("IFF_UP\n"); - uti596_init (sc); - break; - - case IFF_UP | IFF_RUNNING: - printk("IFF_UP and RUNNING\n"); - uti596_stop (sc); - uti596_init (sc); - break; - - default: - printk("default\n"); - - break; - } - break; - - case SIO_RTEMS_SHOW_STATS: - printk("show stats\n"); - uti596_stats (sc); - break; - - /* - * FIXME: All sorts of multicast commands need to be added here! - */ - default: - printk("default: EINVAL\n"); - error = EINVAL; - break; - } - return error; -} - - -/*********************************************************************** - * Function: uti596_stats - * - * Description: - * print out the collected data - * - * Algorithm: - * use printf - * - ***********************************************************************/ - -void -uti596_stats(struct uti596_softc *sc) - { - printf(" CPU Reports:\n"); - printf ("Tx raw send count:%-8lu", sc->rawsndcnt); - printf ("Rx Interrupts:%-8lu", sc->rxInterrupts); - printf ("Tx Interrupts:%-8lu\n", sc->txInterrupts); - printf ("Rx Packets:%-8u", sc->stats.rx_packets); - printf ("Tx Attempts:%-u\n", sc->stats.tx_packets); - - printf ("Rx Dropped:%-8u", sc->stats.rx_dropped); - printf ("Rx IP Packets:%-8u", sc->stats.rx_packets); - printf ("Tx Errors:%-8u\n", sc->stats.tx_errors); - printf ("Tx aborted:%-8u", sc->stats.tx_aborted_errors); - printf ("Tx Dropped:%-8u\n", sc->stats.tx_dropped); - printf ("Tx IP packets:%-8u", sc->stats.tx_packets); - - printf ("Collisions Detected:%-8u\n", sc->stats.collisions); - printf ("Tx Heartbeat Errors:%-8u", sc->stats.tx_heartbeat_errors); - printf ("Tx Carrier Errors:%-8u\n", sc->stats.tx_carrier_errors); - printf ("Tx Aborted Errors:%-8u", sc->stats.tx_aborted_errors); - printf ("Rx Length Errors:%-8u\n", sc->stats.rx_length_errors); - printf ("Rx Overrun Errors:%-8u", sc->stats.rx_over_errors); - printf ("Rx Fifo Errors:%-8u\n", sc->stats.rx_fifo_errors); - printf ("Rx Framing Errors:%-8u", sc->stats.rx_frame_errors); - printf ("Rx crc errors:%-8u\n", sc->stats.rx_crc_errors); - - printf ("TX WAITS: %-8lu\n", sc->txRawWait); - - printf ("NIC resets: %-8u\n", sc->stats.nic_reset_count); - - printf("NIC reports\n"); - - dump_scb(); - } - -void dumpQ(void) { - - struct i596_rfd *pRfd; - - printf("savedQ:\n"); - for( pRfd = uti596_softc.pSavedRfdQueue; - pRfd != I596_NULL; - pRfd = pRfd -> next) - printf("pRfd: %p, stat: 0x%x cmd: 0x%x\n",pRfd,pRfd -> stat,pRfd -> cmd); - printf("Inbound:\n"); - for( pRfd = uti596_softc.pInboundFrameQueue; - pRfd != I596_NULL; - pRfd = pRfd -> next) - printf("pRfd: %p, stat: 0x%x cmd: 0x%x\n",pRfd,pRfd -> stat,pRfd -> cmd); - printf("Last Unk: %p\n", uti596_softc.pLastUnkRFD ); - - printf("RFA:\n"); - for( pRfd = uti596_softc.pBeginRFA; - pRfd != I596_NULL; - pRfd = pRfd -> next) - printf("pRfd: %p, stat: 0x%x cmd: 0x%x\n",pRfd,pRfd -> stat,pRfd -> cmd); -} - -void uti596Diagnose(int verbose){ - struct i596_cmd diagnose; - int count=10000; - - diagnose.command = CmdDiagnose; - diagnose.status = 0; - uti596addPolledCmd(&diagnose); - while( !( diagnose.status & STAT_C ) && count ) { - if(verbose) - printf("."); - count --; - } - if(verbose) - printf("Status diagnostic: 0x%2.2x\n", diagnose.status); - -} -void show_buffers (void) -{ - struct i596_rfd *pRfd; - - printf("82596 cmd: 0x%x, status: 0x%x RFA len: %d\n", - uti596_softc.scb.command, - uti596_softc.scb.status, - uti596_softc.countRFD); - - printf("\nRFA: \n"); - for ( pRfd = uti596_softc.pBeginRFA; - pRfd != I596_NULL; - pRfd = pRfd->next) - printf("Frame @ %p, status: %2.2x, cmd: %2.2x\n", - pRfd, pRfd->stat, pRfd->cmd); - - printf("\nInbound: \n"); - for ( pRfd = uti596_softc.pInboundFrameQueue; - pRfd != I596_NULL; - pRfd = pRfd->next) - printf("Frame @ %p, status: %2.2x, cmd: %2.2x\n", - pRfd, pRfd->stat, pRfd->cmd); - - printf("\nSaved: \n"); - for ( pRfd = uti596_softc.pSavedRfdQueue; - pRfd != I596_NULL; - pRfd = pRfd->next) - printf("Frame @ %p, status: %2.2x, cmd: %2.2x\n", - pRfd, pRfd->stat, pRfd->cmd); - printf("\nUnknown: %p\n",uti596_softc.pLastUnkRFD); - -} -void show_queues(void) -{ - struct i596_rfd *pRfd; - - printf("CMD: 0x%x, Status: 0x%x\n", - uti596_softc.scb.command, - uti596_softc.scb.status); - printf("saved Q\n"); - - for ( pRfd = uti596_softc.pSavedRfdQueue; - pRfd != I596_NULL && - pRfd != NULL; - pRfd = pRfd->next) - printf("0x%p\n", pRfd); - - printf("End saved Q 0x%p\n", uti596_softc.pEndSavedQueue); - - printf("\nRFA:\n"); - for ( pRfd = uti596_softc.pBeginRFA; - pRfd != I596_NULL && - pRfd != NULL; - pRfd = pRfd->next) - printf("0x%p\n", pRfd); - - printf("uti596_softc.pEndRFA: %p\n",uti596_softc.pEndRFA); -} - -void uti596_init(void * arg){ - - struct uti596_softc *sc = arg; - struct ifnet *ifp = &sc->arpcom.ac_if; - - if (sc->txDaemonTid == 0) { - - uti596_initialize_hardware(sc); - - /* - * Start driver tasks - */ - - sc->txDaemonTid = rtems_bsdnet_newproc ("UTtx", 2*4096, uti596_txDaemon, sc); - sc->rxDaemonTid = rtems_bsdnet_newproc ("UTrx", 2*4096, uti596_rxDaemon, sc); - sc->resetDaemonTid = rtems_bsdnet_newproc ("UTrt", 2*4096, - uti596_resetDaemon, sc); - -#ifdef DBG_INIT - printf("After attach, status of board = 0x%x\n", sc->scb.status ); -#endif - outport_word(0x380, 0xf); /* reset the LED's */ - - } - - /* - * Enable receiver - */ - UTI_WAIT_COMMAND_ACCEPTED(4000, "init:Before RX_START"); - sc->scb.pRfd = sc -> pBeginRFA; - sc->scb.command = RX_START; - outport_word(CHAN_ATTN,0 ); - UTI_WAIT_COMMAND_ACCEPTED(4000, "init:RX_START"); - /* - * Tell the world that we're running. - */ - ifp->if_flags |= IFF_RUNNING; - -} -void dump_scb(void){ - printk("status 0x%x\n",uti596_softc.scb.status); - printk("command 0x%x\n",uti596_softc.scb.command); - printk("cmd 0x%x\n",(int)uti596_softc.scb.pCmd); - printk("rfd 0x%x\n",(int)uti596_softc.scb.pRfd); - printk("crc_err 0x%x\n",uti596_softc.scb.crc_err); - printk("align_err 0x%x\n",uti596_softc.scb.align_err); - printk("resource_err 0x%x\n",uti596_softc.scb.resource_err ); - printk("over_err 0x%x\n",uti596_softc.scb.over_err); - printk("rcvdt_err 0x%x\n",uti596_softc.scb.rcvdt_err); - printk("short_err 0x%x\n",uti596_softc.scb.short_err); - printk("t_on 0x%x\n",uti596_softc.scb.t_on); - printk("t_off 0x%x\n",uti596_softc.scb.t_off); -} - -void printk_time(void){ - rtems_time_of_day tm_struct; - - rtems_clock_get(RTEMS_CLOCK_GET_TOD, &tm_struct); - printk("Current time: %d:%d:%d \n", tm_struct.hour, tm_struct.minute, tm_struct.second); -} diff --git a/c/src/lib/libbsp/i386/i386ex/network/uti596.h b/c/src/lib/libbsp/i386/i386ex/network/uti596.h deleted file mode 100644 index 1238d2ea41..0000000000 --- a/c/src/lib/libbsp/i386/i386ex/network/uti596.h +++ /dev/null @@ -1,284 +0,0 @@ - -/* uti596.h: Contains the defines and structures used by the uti596 driver */ - -/* - * EII: March 11: Created v. 0.0 - * Jan 12/98 Added STAT bits, s11-=s5 and max_colls. - * - * $Id$ - */ - -#ifndef UTI596_H -#define UTI596_H -#include <rtems/error.h> -#include <rtems/rtems_bsdnet.h> - -#include <sys/param.h> -#include <sys/mbuf.h> -#include <sys/socket.h> -#include <sys/sockio.h> - -#include <net/if.h> - -#include <netinet/in.h> -#include <netinet/if_ether.h> - -/* Ethernet statistics */ - -struct enet_statistics{ - int rx_packets; /* total packets received */ - int tx_packets; /* total packets transmitted */ - int rx_errors; /* bad packets received */ - int tx_errors; /* packet transmit problems */ - int rx_dropped; /* no space in buffers */ - int tx_dropped; /* */ - int tx_retries_exceeded; /* excessive retries */ - int multicast; /* multicast packets received */ - int collisions; - - /* detailed rx_errors: */ - int rx_length_errors; - int rx_over_errors; /* receiver ring buff overflow */ - int rx_crc_errors; /* recved pkt with crc error */ - int rx_frame_errors; /* recv'd frame alignment error */ - int rx_fifo_errors; /* recv'r fifo overrun */ - int rx_missed_errors; /* receiver missed packet */ - - /* detailed tx_errors */ - int tx_aborted_errors; - int tx_carrier_errors; - int tx_fifo_errors; - int tx_heartbeat_errors; - int tx_window_errors; - - /* NIC reset errors */ - int nic_reset_count; /* The number of times uti596reset() has been called. */ -}; - -enum commands { - CmdNOp = 0, - CmdSASetup = 1, - CmdConfigure = 2, - CmdMulticastList = 3, - CmdTx = 4, - CmdTDR = 5, - CmdDump = 6, - CmdDiagnose = 7 -}; - -#define UTI596_MUTEX 1 - -#define CMD_EOL 0x8000 /* The last command of the list, stop. */ -#define CMD_SUSP 0x4000 /* Suspend after doing cmd. */ -#define CMD_INTR 0x2000 /* Interrupt after doing cmd. */ - -#define CMD_FLEX 0x0008 /* Enable flexible memory model */ - -#define SCB_STAT_CX 0x8000 /* Cmd completes with 'I' bit set */ -#define SCB_STAT_FR 0x4000 /* Frame Received */ -#define SCB_STAT_CNA 0x2000 /* Cmd unit Not Active */ -#define SCB_STAT_RNR 0x1000 /* Receiver Not Ready */ - -#define SCB_CUS_SUSPENDED 0x0100 -#define SCB_CUS_ACTIVE 0x0200 - -#define STAT_C 0x8000 /* Set to 1 after execution */ -#define STAT_B 0x4000 /* 1 : Cmd being executed, 0 : Cmd done. */ -#define STAT_OK 0x2000 /* 1: Command executed ok 0 : Error */ -#define STAT_A 0x1000 /* command has been aborted */ - -#define STAT_S11 0x0800 -#define STAT_S10 0x0400 -#define STAT_S9 0x0200 -#define STAT_S8 0x0100 -#define STAT_S7 0x0080 -#define STAT_S6 0x0040 -#define STAT_S5 0x0020 -#define STAT_MAX_COLLS 0x000F - -#define RBD_STAT_P 0x4000 /* prefetch */ -#define RBD_STAT_F 0x4000 /* used */ - -#define CUC_START 0x0100 -#define CUC_RESUME 0x0200 -#define CUC_SUSPEND 0x0300 -#define CUC_ABORT 0x0400 -#define RX_START 0x0010 -#define RX_RESUME 0x0020 -#define RX_SUSPEND 0x0030 -#define RX_ABORT 0x0040 - -#define RU_SUSPENDED 0x0010 -#define RU_NO_RESOURCES 0x0020 -#define RU_READY 0x0040 - -#define IO_ADDR 0x360 -#define PORT_ADDR IO_ADDR -#define CHAN_ATTN PORT_ADDR + 4 -#define NIC_ADDR PORT_ADDR + 8 - -struct i596_cmd { - volatile unsigned short status; - volatile unsigned short command; - struct i596_cmd *next; -}; - -#define I596_NULL ( ( void * ) 0xffffffff) -#define UTI_596_END_OF_FRAME 0x8000 -#define SIZE_MASK 0x3fff - -/* - * Transmit buffer Descriptor - */ - -struct i596_tbd { - unsigned short size; - unsigned short pad; - struct i596_tbd *next; - char *data; -}; - -/* - * Receive buffer Descriptor - */ - -struct i596_rbd { - unsigned short count; - unsigned short offset; - struct i596_rbd *next; - char *data; - unsigned short size; - unsigned short pad; -}; - -/* - * Transmit Command Structure - */ -struct tx_cmd { - struct i596_cmd cmd; - struct i596_tbd *pTbd; - unsigned short size; - unsigned short pad; -} ; - -/* - * Receive Frame Descriptor - */ -struct i596_rfd { - volatile unsigned short stat; - volatile unsigned short cmd; - struct i596_rfd *next; - struct i596_rbd *pRbd; - unsigned short count; - unsigned short size; - char data [1532 ]; -} ; - -struct i596_dump { - struct i596_cmd cmd; - char * pData; -}; - -struct i596_set_add { - struct i596_cmd cmd; - char data[8]; -}; - -struct i596_configure { - struct i596_cmd cmd; - char data[16]; -}; - -struct i596_nop { - struct i596_cmd cmd; -}; - -struct i596_tdr { - struct i596_cmd cmd; - unsigned int data; -}; - -#define RX_RING_SIZE 8 - -/* - * System Control Block - */ -struct i596_scb { - volatile unsigned short status; - volatile unsigned short command; - struct i596_cmd *pCmd; - struct i596_rfd *pRfd; - volatile unsigned long crc_err; - volatile unsigned long align_err; - volatile unsigned long resource_err; - volatile unsigned long over_err; - volatile unsigned long rcvdt_err; - volatile unsigned long short_err; - volatile unsigned short t_on; - volatile unsigned short t_off; -}; - -/* - * Intermediate System Control Block - */ -struct i596_iscp { - volatile unsigned long stat; - struct i596_scb *scb; -} ; -/* - * System Control Parameters - */ -struct i596_scp { - unsigned long sysbus; - unsigned long pad; - struct i596_iscp *iscp; -} ; - -struct uti596_softc { - struct arpcom arpcom; - rtems_irq_connect_data irqInfo; - struct i596_scp *pScp; - struct i596_iscp iscp; - struct i596_scb scb; - struct i596_set_add set_add; - struct i596_configure set_conf; - struct i596_tdr tdr; - struct i596_nop nop; - unsigned long stat; - struct tx_cmd *pTxCmd; - struct i596_tbd *pTbd; - - int ioAddr; - - struct i596_rfd *pBeginRFA; - struct i596_rfd *pEndRFA; - struct i596_rfd *pLastUnkRFD; - struct i596_rbd *pLastUnkRBD; - struct i596_rfd *pEndSavedQueue; - struct i596_cmd *pCmdHead; - struct i596_cmd *pCmdTail; /* unneeded, as chaining not used, but implemented */ - - rtems_id rxDaemonTid; - rtems_id txDaemonTid; - rtems_id resetDaemonTid; - - struct enet_statistics stats; - int started; - unsigned long rxInterrupts; - unsigned long txInterrupts; - volatile int cmdOk; - int resetDone; - unsigned long txRawWait; - struct i596_rfd *pInboundFrameQueue; - short int rxBdCount; - short int txBdCount; - short int countRFD; - short int savedCount; - struct i596_rfd *pSavedRfdQueue; - rtems_name semaphore_name; - rtems_id semaphore_id; - char zeroes[64]; - unsigned long rawsndcnt; - int nic_reset; /* flag is for requesting that ISR issue a reset quest */ -} ; -#endif |