X-Git-Url: http://git.joshuawise.com/netwatch.git/blobdiff_plain/c2e344475755ddbfa92e79f04b8009e2eafd459e..80c7c8bffb0bdf3bc667a00bccae4dfe877906d4:/net/3c90x.c?ds=sidebyside diff --git a/net/3c90x.c b/net/3c90x.c index 4d60327..74035e0 100644 --- a/net/3c90x.c +++ b/net/3c90x.c @@ -45,13 +45,14 @@ #include #include #include +#include #define XCVR_MAGIC (0x5A00) /** any single transmission fails after 16 collisions or other errors ** this is the number of times to retry the transmission -- this should ** be plenty **/ -#define XMIT_RETRIES 250 +#define XMIT_RETRIES 5 /*** Register definitions for the 3c905 ***/ enum Registers @@ -217,28 +218,24 @@ enum Commands #define INT_CMDINPROGRESS (1<<12) #define INT_WINDOWNUMBER (7<<13) +/* These structures are all 64-bit aligned, as needed for bus-mastering I/O. */ +typedef struct { + unsigned int addr; + unsigned int len; +} segment_t __attribute__ ((aligned(8))); -/*** TX descriptor ***/ -typedef struct - { - unsigned int DnNextPtr; - unsigned int FrameStartHeader; - unsigned int HdrAddr; - unsigned int HdrLength; - unsigned int DataAddr; - unsigned int DataLength; - } - TXD __attribute__ ((aligned(8))); /* 64-bit aligned for bus mastering */ +typedef struct { + unsigned int next; + unsigned int hdr; + segment_t segments[64 /* XXX magic */]; +} txdesc_t __attribute__ ((aligned(8))); /*** RX descriptor ***/ -typedef struct - { - unsigned int UpNextPtr; - unsigned int UpPktStatus; - unsigned int DataAddr; - unsigned int DataLength; - } - RXD __attribute__ ((aligned(8))); /* 64-bit aligned for bus mastering */ +typedef struct { + unsigned int next; + unsigned int status; + segment_t segments[64]; +} rxdesc_t __attribute__ ((aligned(8))); /*** Global variables ***/ static struct @@ -248,53 +245,42 @@ static struct unsigned char CurrentWindow; unsigned int IOAddr; unsigned char HWAddr[ETH_ALEN]; - TXD TransmitDPD; - RXD ReceiveUPD; } INF_3C90X; + static struct nic nic; +static txdesc_t txdesc; +static rxdesc_t rxdesc; +static struct pbuf *currecv; + #define _outl(v,a) outl((a),(v)) #define _outw(v,a) outw((a),(v)) #define _outb(v,a) outb((a),(v)) -/*** a3c90x_internal_IssueCommand: sends a command to the 3c90x card - ***/ -static int -a3c90x_internal_IssueCommand(int ioaddr, int cmd, int param) - { - unsigned int val; - - /** Build the cmd. **/ - val = cmd; - val <<= 11; - val |= param; - - /** Send the cmd to the cmd register **/ - _outw(val, ioaddr + regCommandIntStatus_w); +static int _issue_command(int ioaddr, int cmd, int param) +{ + outw(ioaddr + regCommandIntStatus_w, (cmd << 11) | param); - /** Wait for the cmd to complete, if necessary **/ - while (inw(ioaddr + regCommandIntStatus_w) & INT_CMDINPROGRESS); + while (inw(ioaddr + regCommandIntStatus_w) & INT_CMDINPROGRESS) + ; - return 0; - } + return 0; +} /*** a3c90x_internal_SetWindow: selects a register window set. ***/ -static int -a3c90x_internal_SetWindow(int ioaddr, int window) - { - - /** Window already as set? **/ - if (INF_3C90X.CurrentWindow == window) return 0; +static int _set_window(int ioaddr, int window) +{ + if (INF_3C90X.CurrentWindow == window) + return 0; - /** Issue the window command. **/ - a3c90x_internal_IssueCommand(ioaddr, cmdSelectRegisterWindow, window); + _issue_command(ioaddr, cmdSelectRegisterWindow, window); INF_3C90X.CurrentWindow = window; - return 0; - } + return 0; +} /*** a3c90x_internal_ReadEeprom - read data from the serial eeprom. @@ -305,7 +291,7 @@ a3c90x_internal_ReadEeprom(int ioaddr, int address) unsigned short val; /** Select correct window **/ - a3c90x_internal_SetWindow(INF_3C90X.IOAddr, winEepromBios0); + _set_window(INF_3C90X.IOAddr, winEepromBios0); /** Make sure the eeprom isn't busy **/ do @@ -345,7 +331,7 @@ static int a3c90x_internal_WriteEepromWord(int ioaddr, int address, unsigned short value) { /** Select register window **/ - a3c90x_internal_SetWindow(ioaddr, winEepromBios0); + _set_window(ioaddr, winEepromBios0); /** Verify Eeprom not busy **/ while((1<<15) & inw(ioaddr + regEepromCommand_0_w)); @@ -420,68 +406,41 @@ a3c90x_internal_WriteEeprom(int ioaddr, int address, unsigned short value) ***/ static void a3c90x_reset(void) { -#ifdef CFG_3C90X_PRESERVE_XCVR - int cfg; - /** Read the current InternalConfig value. **/ - a3c90x_internal_SetWindow(INF_3C90X.IOAddr, winTxRxOptions3); - cfg = inl(INF_3C90X.IOAddr + regInternalConfig_3_l); -#endif - /** Send the reset command to the card **/ - outputf("Issuing RESET:"); - a3c90x_internal_IssueCommand(INF_3C90X.IOAddr, cmdGlobalReset, 0); - - /** wait for reset command to complete **/ - while (inw(INF_3C90X.IOAddr + regCommandIntStatus_w) & INT_CMDINPROGRESS); + outputf("3c90x: issuing RESET"); + _issue_command(INF_3C90X.IOAddr, cmdGlobalReset, 0); /** global reset command resets station mask, non-B revision cards ** require explicit reset of values **/ - a3c90x_internal_SetWindow(INF_3C90X.IOAddr, winAddressing2); + _set_window(INF_3C90X.IOAddr, winAddressing2); _outw(0, INF_3C90X.IOAddr + regStationMask_2_3w+0); _outw(0, INF_3C90X.IOAddr + regStationMask_2_3w+2); _outw(0, INF_3C90X.IOAddr + regStationMask_2_3w+4); -#ifdef CFG_3C90X_PRESERVE_XCVR - /** Re-set the original InternalConfig value from before reset **/ - a3c90x_internal_SetWindow(INF_3C90X.IOAddr, winTxRxOptions3); - _outl(cfg, INF_3C90X.IOAddr + regInternalConfig_3_l); - - /** enable DC converter for 10-Base-T **/ - if ((cfg&0x0300) == 0x0300) - { - a3c90x_internal_IssueCommand(INF_3C90X.IOAddr, cmdEnableDcConverter, 0); - } -#endif - /** Issue transmit reset, wait for command completion **/ - a3c90x_internal_IssueCommand(INF_3C90X.IOAddr, cmdTxReset, 0); - while (inw(INF_3C90X.IOAddr + regCommandIntStatus_w) & INT_CMDINPROGRESS) - ; + _issue_command(INF_3C90X.IOAddr, cmdTxReset, 0); if (! INF_3C90X.isBrev) _outb(0x01, INF_3C90X.IOAddr + regTxFreeThresh_b); - a3c90x_internal_IssueCommand(INF_3C90X.IOAddr, cmdTxEnable, 0); + _issue_command(INF_3C90X.IOAddr, cmdTxEnable, 0); /** ** reset of the receiver on B-revision cards re-negotiates the link ** takes several seconds (a computer eternity) **/ if (INF_3C90X.isBrev) - a3c90x_internal_IssueCommand(INF_3C90X.IOAddr, cmdRxReset, 0x04); + _issue_command(INF_3C90X.IOAddr, cmdRxReset, 0x04); else - a3c90x_internal_IssueCommand(INF_3C90X.IOAddr, cmdRxReset, 0x00); - while (inw(INF_3C90X.IOAddr + regCommandIntStatus_w) & INT_CMDINPROGRESS); - ; - a3c90x_internal_IssueCommand(INF_3C90X.IOAddr, cmdRxEnable, 0); + _issue_command(INF_3C90X.IOAddr, cmdRxReset, 0x00); + while (inw(INF_3C90X.IOAddr + regCommandIntStatus_w) & INT_CMDINPROGRESS) + ; + _issue_command(INF_3C90X.IOAddr, cmdRxEnable, 0); - a3c90x_internal_IssueCommand(INF_3C90X.IOAddr, - cmdSetInterruptEnable, 0); + _issue_command(INF_3C90X.IOAddr, cmdSetInterruptEnable, 0); /** enable rxComplete and txComplete **/ - a3c90x_internal_IssueCommand(INF_3C90X.IOAddr, - cmdSetIndicationEnable, 0x0014); + _issue_command(INF_3C90X.IOAddr, cmdSetIndicationEnable, 0x0014); /** acknowledge any pending status flags **/ - a3c90x_internal_IssueCommand(INF_3C90X.IOAddr, - cmdAcknowledgeInterrupt, 0x661); + _issue_command(INF_3C90X.IOAddr, cmdAcknowledgeInterrupt, 0x661); return; } @@ -496,190 +455,172 @@ static void a3c90x_reset(void) *** pkt - the pointer to the packet data itself. ***/ static void -a3c90x_transmit(const char *dest_addr, unsigned int proto, - unsigned int size, const char *pkt) - { - - struct eth_hdr - { - unsigned char dst_addr[ETH_ALEN]; - unsigned char src_addr[ETH_ALEN]; - unsigned short type; - } hdr; - - unsigned char status; - unsigned i, retries; - - for (retries=0; retries < XMIT_RETRIES ; retries++) +a3c90x_transmit(struct pbuf *p) +{ + unsigned char status; + static struct pbuf *oldpbuf = NULL; + unsigned int n, len; + + if (oldpbuf) { - /** Stall the download engine **/ - a3c90x_internal_IssueCommand(INF_3C90X.IOAddr, cmdStallCtl, 2); - - /** Make sure the card is not waiting on us **/ - inw(INF_3C90X.IOAddr + regCommandIntStatus_w); - inw(INF_3C90X.IOAddr + regCommandIntStatus_w); - - while (inw(INF_3C90X.IOAddr+regCommandIntStatus_w) & - INT_CMDINPROGRESS) - ; - - /** Set the ethernet packet type **/ - hdr.type = htons(proto); - - /** Copy the destination address **/ - memcpy(hdr.dst_addr, dest_addr, ETH_ALEN); + while (!(inw(INF_3C90X.IOAddr + regCommandIntStatus_w) & INT_TXCOMPLETE) && oneshot_running()) + ; + if (!(inw(INF_3C90X.IOAddr + regCommandIntStatus_w) & INT_TXCOMPLETE)) + { + outputf("3c90x: tx timeout? txstat %02x", inb(INF_3C90X.IOAddr + regTxStatus_b)); + outputf("3c90x: Gen sts %04x", inw(INF_3C90X.IOAddr + regCommandIntStatus_w)); + } + status = inb(INF_3C90X.IOAddr + regTxStatus_b); + outb(INF_3C90X.IOAddr + regTxStatus_b, 0x00); + pbuf_free(oldpbuf); + oldpbuf = NULL; + } - /** Copy our MAC address **/ - memcpy(hdr.src_addr, INF_3C90X.HWAddr, ETH_ALEN); + _issue_command(INF_3C90X.IOAddr, cmdStallCtl, 2 /* Stall download */); /** Setup the DPD (download descriptor) **/ - INF_3C90X.TransmitDPD.DnNextPtr = 0; + txdesc.next = 0; + len = 0; + n = 0; + oldpbuf = p; + for (; p; p = p->next) + { + txdesc.segments[n].addr = v2p(p->payload); + txdesc.segments[n].len = p->len | (p->next ? 0 : (1 << 31)); + len += p->len; + pbuf_ref(p); + n++; + } /** set notification for transmission completion (bit 15) **/ - INF_3C90X.TransmitDPD.FrameStartHeader = (size + sizeof(hdr)) | 0x8000; - INF_3C90X.TransmitDPD.HdrAddr = virt_to_bus(&hdr); - INF_3C90X.TransmitDPD.HdrLength = sizeof(hdr); - INF_3C90X.TransmitDPD.DataAddr = virt_to_bus(pkt); - INF_3C90X.TransmitDPD.DataLength = size + (1<<31); + txdesc.hdr = (len) | 0x8000; + + outputf("3c90x: Sending %d byte %d seg packet", len, n); /** Send the packet **/ - _outl(virt_to_bus(&(INF_3C90X.TransmitDPD)), - INF_3C90X.IOAddr + regDnListPtr_l); - - /** End Stall and Wait for upload to complete. **/ - a3c90x_internal_IssueCommand(INF_3C90X.IOAddr, cmdStallCtl, 3); - while(inl(INF_3C90X.IOAddr + regDnListPtr_l) != 0) - ; - - /** Wait for NIC Transmit to Complete **/ - oneshot_start_ms(10); /* Give it 10 ms */ - while (!(inw(INF_3C90X.IOAddr + regCommandIntStatus_w)&0x0004) && - oneshot_running()) + outl(INF_3C90X.IOAddr + regDnListPtr_l, v2p(&txdesc)); + _issue_command(INF_3C90X.IOAddr, cmdStallCtl, 3 /* Unstall download */); + + oneshot_start_ms(10); + while((inl(INF_3C90X.IOAddr + regDnListPtr_l) != 0) && oneshot_running()) ; + if (!oneshot_running()) + { + outputf("3c90x: Download engine pointer timeout"); + return; + } - if (!(inw(INF_3C90X.IOAddr + regCommandIntStatus_w)&0x0004)) - { - outputf("3C90X: Tx Timeout"); - continue; - } - - status = inb(INF_3C90X.IOAddr + regTxStatus_b); - - /** acknowledge transmit interrupt by writing status **/ - _outb(0x00, INF_3C90X.IOAddr + regTxStatus_b); - +#if 0 /** successful completion (sans "interrupt Requested" bit) **/ if ((status & 0xbf) == 0x80) - return; + return; - outputf("3C90X: Status (%hhX)", status); + outputf("3c90x: Status (%hhX)", status); /** check error codes **/ if (status & 0x02) - { - outputf("3C90X: Tx Reclaim Error (%hhX)", status); - a3c90x_reset(); - } - else if (status & 0x04) - { - outputf("3C90X: Tx Status Overflow (%hhX)", status); - for (i=0; i<32; i++) - _outb(0x00, INF_3C90X.IOAddr + regTxStatus_b); - /** must re-enable after max collisions before re-issuing tx **/ - a3c90x_internal_IssueCommand(INF_3C90X.IOAddr, cmdTxEnable, 0); - } - else if (status & 0x08) - { - outputf("3C90X: Tx Max Collisions (%hhX)", status); - /** must re-enable after max collisions before re-issuing tx **/ - a3c90x_internal_IssueCommand(INF_3C90X.IOAddr, cmdTxEnable, 0); - } - else if (status & 0x10) - { - outputf("3C90X: Tx Underrun (%hhX)", status); - a3c90x_reset(); - } - else if (status & 0x20) - { - outputf("3C90X: Tx Jabber (%hhX)", status); - a3c90x_reset(); - } - else if ((status & 0x80) != 0x80) - { - outputf("3C90X: Internal Error - Incomplete Transmission (%hhX)", - status); - a3c90x_reset(); - } + { + outputf("3c90x: Tx Reclaim Error (%hhX)", status); + a3c90x_reset(); + } else if (status & 0x04) { + outputf("3c90x: Tx Status Overflow (%hhX)", status); + for (i=0; i<32; i++) + _outb(0x00, INF_3C90X.IOAddr + regTxStatus_b); + /** must re-enable after max collisions before re-issuing tx **/ + _issue_command(INF_3C90X.IOAddr, cmdTxEnable, 0); + } else if (status & 0x08) { + outputf("3c90x: Tx Max Collisions (%hhX)", status); + /** must re-enable after max collisions before re-issuing tx **/ + _issue_command(INF_3C90X.IOAddr, cmdTxEnable, 0); + } else if (status & 0x10) { + outputf("3c90x: Tx Underrun (%hhX)", status); + a3c90x_reset(); + } else if (status & 0x20) { + outputf("3c90x: Tx Jabber (%hhX)", status); + a3c90x_reset(); + } else if ((status & 0x80) != 0x80) { + outputf("3c90x: Internal Error - Incomplete Transmission (%hhX)", status); + a3c90x_reset(); } +#endif +} - /** failed after RETRY attempts **/ - outputf("Failed to send after %d retries", retries); - return; - - } - - +/* _setup_recv allocates and sets a pbuf from lwIP as the active receive + * packet chain for the 3c90x. The 3c90x must not be trying to receive + * when _setup_recv is being called. + */ +static void _setup_recv(struct nic *nic) +{ + struct pbuf *p, *q; + int i; + + rxdesc.status = 0; /* Clear it out in the very beginning. */ + + p = pbuf_alloc(PBUF_RAW, 1536 /* XXX magic Max len */, PBUF_POOL); + if (!p) + { + outputf("3c90x: out of memory for packet?"); + currecv = p; + return; + } + + rxdesc.next = 0; + rxdesc.status = 0; + for (i = 0, q = p; q; q = q->next, i++) + { + rxdesc.segments[i].addr = v2p(q->payload); + rxdesc.segments[i].len = q->len | (q->next ? 0 : (1 << 31)); + } + + outl(INF_3C90X.IOAddr + regUpListPtr_l, v2p(&rxdesc)); + + currecv = p; +} /*** a3c90x_poll: exported routine that waits for a certain length of time *** for a packet, and if it sees none, returns 0. This routine should *** copy the packet to nic->packet if it gets a packet and set the size *** in nic->packetlen. Return 1 if a packet was found. ***/ -static int -a3c90x_poll(struct nic *nic, int retrieve) - { - int i, errcode; - - if (!(inw(INF_3C90X.IOAddr + regCommandIntStatus_w)&0x0010)) - { - return 0; - } - - if ( ! retrieve ) return 1; - - /** we don't need to acknowledge rxComplete -- the upload engine - ** does it for us. - **/ - - /** Build the up-load descriptor **/ - INF_3C90X.ReceiveUPD.UpNextPtr = 0; - INF_3C90X.ReceiveUPD.UpPktStatus = 0; - INF_3C90X.ReceiveUPD.DataAddr = virt_to_bus(nic->packet); - INF_3C90X.ReceiveUPD.DataLength = 1536 + (1<<31); - - /** Submit the upload descriptor to the NIC **/ - _outl(virt_to_bus(&(INF_3C90X.ReceiveUPD)), - INF_3C90X.IOAddr + regUpListPtr_l); - - /** Wait for upload completion (upComplete(15) or upError (14)) **/ - for(i=0;i<40000;i++); - while((INF_3C90X.ReceiveUPD.UpPktStatus & ((1<<14) | (1<<15))) == 0) - for(i=0;i<40000;i++); - - /** Check for Error (else we have good packet) **/ - if (INF_3C90X.ReceiveUPD.UpPktStatus & (1<<14)) +static struct pbuf * a3c90x_poll(struct nic *nic) +{ + int errcode; + struct pbuf *p; + + if (!currecv) + _setup_recv(nic); + + /* Nothing to do? */ + if ((rxdesc.status & ((1<<14) | (1<<15))) == 0) + return NULL; + + p = currecv; + + /** Check for Error (else we have good packet) **/ + if (rxdesc.status & (1<<14)) { - errcode = INF_3C90X.ReceiveUPD.UpPktStatus; - if (errcode & (1<<16)) - outputf("3C90X: Rx Overrun (%hX)",errcode>>16); - else if (errcode & (1<<17)) - outputf("3C90X: Runt Frame (%hX)",errcode>>16); - else if (errcode & (1<<18)) - outputf("3C90X: Alignment Error (%hX)",errcode>>16); - else if (errcode & (1<<19)) - outputf("3C90X: CRC Error (%hX)",errcode>>16); - else if (errcode & (1<<20)) - outputf("3C90X: Oversized Frame (%hX)",errcode>>16); - else - outputf("3C90X: Packet error (%hX)",errcode>>16); - return 0; + errcode = rxdesc.status; + if (errcode & (1<<16)) + outputf("3C90X: Rx Overrun (%hX)",errcode>>16); + else if (errcode & (1<<17)) + outputf("3C90X: Runt Frame (%hX)",errcode>>16); + else if (errcode & (1<<18)) + outputf("3C90X: Alignment Error (%hX)",errcode>>16); + else if (errcode & (1<<19)) + outputf("3C90X: CRC Error (%hX)",errcode>>16); + else if (errcode & (1<<20)) + outputf("3C90X: Oversized Frame (%hX)",errcode>>16); + else + outputf("3C90X: Packet error (%hX)",errcode>>16); + + pbuf_free(p); /* Bounce the old one before setting it up again. */ + _setup_recv(nic); + return NULL; } - /** Ok, got packet. Set length in nic->packetlen. **/ - nic->packetlen = (INF_3C90X.ReceiveUPD.UpPktStatus & 0x1FFF); - - return 1; - } - - + pbuf_realloc(p, rxdesc.status & 0x1FFF); /* Resize the packet to how large it actually is. */ + _setup_recv(nic); /* ..and light the NIC up again. */ + + return p; +} /*** a3c90x_disable: exported routine to disable the card. What's this for? *** the eepro100.c driver didn't have one, so I just left this one empty too. @@ -805,14 +746,6 @@ static int a3c90x_probe(struct pci_dev * pci, void * data) "effects. See 3c90x.txt for info."); } #endif - { - unsigned int tmp; - for (tmp = 0; tmp < 0x10; tmp+= 4) - outputf("EEPROM adr %02x, data %04x %04x %04x %04x", - tmp, eeprom[tmp], eeprom[tmp+1], eeprom[tmp+2], eeprom[tmp+3]); - } - - /* Some type A... */ /** Retrieve the Hardware address and print it on the screen. **/ INF_3C90X.HWAddr[0] = eeprom[HWADDR_OFFSET + 0]>>8; @@ -832,14 +765,14 @@ static int a3c90x_probe(struct pci_dev * pci, void * data) /** 3C556: Invert MII power **/ if (INF_3C90X.is3c556) { unsigned int tmp; - a3c90x_internal_SetWindow(INF_3C90X.IOAddr, winAddressing2); + _set_window(INF_3C90X.IOAddr, winAddressing2); tmp = inw(INF_3C90X.IOAddr + regResetOptions_2_w); tmp |= 0x4000; _outw(tmp, INF_3C90X.IOAddr + regResetOptions_2_w); } /* Test if the link is good, if not continue */ - a3c90x_internal_SetWindow(INF_3C90X.IOAddr, winDiagnostics4); + _set_window(INF_3C90X.IOAddr, winDiagnostics4); mstat = inw(INF_3C90X.IOAddr + regMediaStatus_4_w); if((mstat & (1<<11)) == 0) { outputf("Valid link not established"); @@ -847,7 +780,7 @@ static int a3c90x_probe(struct pci_dev * pci, void * data) } /** Program the MAC address into the station address registers **/ - a3c90x_internal_SetWindow(INF_3C90X.IOAddr, winAddressing2); + _set_window(INF_3C90X.IOAddr, winAddressing2); _outw(htons(eeprom[HWADDR_OFFSET + 0]), INF_3C90X.IOAddr + regStationAddress_2_3w); _outw(htons(eeprom[HWADDR_OFFSET + 1]), INF_3C90X.IOAddr + regStationAddress_2_3w+2); _outw(htons(eeprom[HWADDR_OFFSET + 2]), INF_3C90X.IOAddr + regStationAddress_2_3w+4); @@ -867,7 +800,7 @@ static int a3c90x_probe(struct pci_dev * pci, void * data) ** Uses Media Option command on B revision, Reset Option on non-B ** revision cards -- same register address **/ - a3c90x_internal_SetWindow(INF_3C90X.IOAddr, winTxRxOptions3); + _set_window(INF_3C90X.IOAddr, winTxRxOptions3); mopt = inw(INF_3C90X.IOAddr + regResetMediaOptions_3_w); /** mask out VCO bit that is defined as 10baseFL bit on B-rev cards **/ @@ -881,45 +814,44 @@ static int a3c90x_probe(struct pci_dev * pci, void * data) linktype = 0x0008; if (mopt & 0x01) { - outputf("%s100Base-T4",(c++)?", ":""); + outputf(" 100Base-T4"); linktype = 0x0006; } if (mopt & 0x04) { - outputf("%s100Base-FX",(c++)?", ":""); + outputf(" 100Base-FX"); linktype = 0x0005; } if (mopt & 0x10) { - outputf("%s10Base-2",(c++)?", ":""); + outputf(" 10Base-2"); linktype = 0x0003; } if (mopt & 0x20) { - outputf("%sAUI",(c++)?", ":""); + outputf(" AUI"); linktype = 0x0001; } if (mopt & 0x40) { - outputf("%sMII",(c++)?", ":""); + outputf(" MII"); linktype = 0x0006; } if ((mopt & 0xA) == 0xA) { - outputf("%s10Base-T / 100Base-TX",(c++)?", ":""); + outputf(" 10Base-T / 100Base-TX"); linktype = 0x0008; } else if ((mopt & 0xA) == 0x2) { - outputf("%s100Base-TX",(c++)?", ":""); + outputf(" 100Base-TX"); linktype = 0x0008; } else if ((mopt & 0xA) == 0x8) { - outputf("%s10Base-T",(c++)?", ":""); + outputf(" 10Base-T"); linktype = 0x0008; } - outputf("."); /** Determine transceiver type to use, depending on value stored in ** eeprom 0x16 @@ -952,54 +884,50 @@ static int a3c90x_probe(struct pci_dev * pci, void * data) /** enable DC converter for 10-Base-T **/ if (linktype == 0x0003) { - a3c90x_internal_IssueCommand(INF_3C90X.IOAddr, cmdEnableDcConverter, 0); + _issue_command(INF_3C90X.IOAddr, cmdEnableDcConverter, 0); } /** Set the link to the type we just determined. **/ - a3c90x_internal_SetWindow(INF_3C90X.IOAddr, winTxRxOptions3); + _set_window(INF_3C90X.IOAddr, winTxRxOptions3); cfg = inl(INF_3C90X.IOAddr + regInternalConfig_3_l); cfg &= ~(0xF<<20); cfg |= (linktype<<20); _outl(cfg, INF_3C90X.IOAddr + regInternalConfig_3_l); /** Now that we set the xcvr type, reset the Tx and Rx, re-enable. **/ - a3c90x_internal_IssueCommand(INF_3C90X.IOAddr, cmdTxReset, 0x00); - while (inw(INF_3C90X.IOAddr + regCommandIntStatus_w) & INT_CMDINPROGRESS) - ; - + _issue_command(INF_3C90X.IOAddr, cmdTxReset, 0); if (!INF_3C90X.isBrev) _outb(0x01, INF_3C90X.IOAddr + regTxFreeThresh_b); - a3c90x_internal_IssueCommand(INF_3C90X.IOAddr, cmdTxEnable, 0); + _issue_command(INF_3C90X.IOAddr, cmdTxEnable, 0); /** ** reset of the receiver on B-revision cards re-negotiates the link ** takes several seconds (a computer eternity) **/ if (INF_3C90X.isBrev) - a3c90x_internal_IssueCommand(INF_3C90X.IOAddr, cmdRxReset, 0x04); + _issue_command(INF_3C90X.IOAddr, cmdRxReset, 0x04); else - a3c90x_internal_IssueCommand(INF_3C90X.IOAddr, cmdRxReset, 0x00); - while (inw(INF_3C90X.IOAddr + regCommandIntStatus_w) & INT_CMDINPROGRESS) - ; + _issue_command(INF_3C90X.IOAddr, cmdRxReset, 0x00); /** Set the RX filter = receive only individual pkts & multicast & bcast. **/ - a3c90x_internal_IssueCommand(INF_3C90X.IOAddr, cmdSetRxFilter, 0x01 + 0x02 + 0x04); - a3c90x_internal_IssueCommand(INF_3C90X.IOAddr, cmdRxEnable, 0); - + _issue_command(INF_3C90X.IOAddr, cmdSetRxFilter, 0x01 + 0x02 + 0x04); + _issue_command(INF_3C90X.IOAddr, cmdRxEnable, 0); + + /* Now stick a packet in the queue. */ + _setup_recv(&nic); /** ** set Indication and Interrupt flags , acknowledge any IRQ's **/ - a3c90x_internal_IssueCommand(INF_3C90X.IOAddr, cmdSetInterruptEnable, 0); - a3c90x_internal_IssueCommand(INF_3C90X.IOAddr, - cmdSetIndicationEnable, 0x0014); - a3c90x_internal_IssueCommand(INF_3C90X.IOAddr, - cmdAcknowledgeInterrupt, 0x661); + _issue_command(INF_3C90X.IOAddr, cmdSetInterruptEnable, 0); + _issue_command(INF_3C90X.IOAddr, cmdSetIndicationEnable, 0x0014); + _issue_command(INF_3C90X.IOAddr, cmdAcknowledgeInterrupt, 0x661); /* * Set our exported functions **/ - nic.poll = a3c90x_poll; + nic.recv = a3c90x_poll; nic.transmit = a3c90x_transmit; + memcpy(nic.hwaddr, INF_3C90X.HWAddr, 6); eth_register(&nic); return 1;