diff options
Diffstat (limited to 'drivers/net/tulip/de4x5.c')
| -rw-r--r-- | drivers/net/tulip/de4x5.c | 716 |
1 files changed, 358 insertions, 358 deletions
diff --git a/drivers/net/tulip/de4x5.c b/drivers/net/tulip/de4x5.c index f5609410204..da8bd0d62a3 100644 --- a/drivers/net/tulip/de4x5.c +++ b/drivers/net/tulip/de4x5.c @@ -41,11 +41,11 @@ Digital Semiconductor SROM Specification. The driver currently recognises the following chips: - DC21040 (no SROM) - DC21041[A] - DC21140[A] - DC21142 - DC21143 + DC21040 (no SROM) + DC21041[A] + DC21140[A] + DC21142 + DC21143 So far the driver is known to work with the following cards: @@ -55,7 +55,7 @@ SMC8432 SMC9332 (w/new SROM) ZNYX31[45] - ZNYX346 10/100 4 port (can act as a 10/100 bridge!) + ZNYX346 10/100 4 port (can act as a 10/100 bridge!) The driver has been tested on a relatively busy network using the DE425, DE434, DE435 and DE500 cards and benchmarked with 'ttcp': it transferred @@ -106,7 +106,7 @@ loading by: insmod de4x5 io=0xghh where g = bus number - hh = device number + hh = device number NB: autoprobing for modules is now supported by default. You may just use: @@ -120,11 +120,11 @@ 4) if you are wanting to add a new card, goto 5. Otherwise, recompile a kernel with the de4x5 configuration turned off and reboot. 5) insmod de4x5 [io=0xghh] - 6) run the net startup bits for your new eth?? interface(s) manually - (usually /etc/rc.inet[12] at boot time). + 6) run the net startup bits for your new eth?? interface(s) manually + (usually /etc/rc.inet[12] at boot time). 7) enjoy! - To unload a module, turn off the associated interface(s) + To unload a module, turn off the associated interface(s) 'ifconfig eth?? down' then 'rmmod de4x5'. Automedia detection is included so that in principal you can disconnect @@ -135,7 +135,7 @@ By default, the driver will now autodetect any DECchip based card. Should you have a need to restrict the driver to DIGITAL only cards, you can compile with a DEC_ONLY define, or if loading as a module, use the - 'dec_only=1' parameter. + 'dec_only=1' parameter. I've changed the timing routines to use the kernel timer and scheduling functions so that the hangs and other assorted problems that occurred @@ -204,7 +204,7 @@ following parameters are allowed: fdx for full duplex - autosense to set the media/speed; with the following + autosense to set the media/speed; with the following sub-parameters: TP, TP_NW, BNC, AUI, BNC_AUI, 100Mb, 10Mb, AUTO @@ -235,14 +235,14 @@ this automatically or include #define DE4X5_FORCE_EISA on or before line 1040 in the driver. - TO DO: + TO DO: ------ Revision History ---------------- Version Date Description - + 0.1 17-Nov-94 Initial writing. ALPHA code release. 0.2 13-Jan-95 Added PCI support for DE435's. 0.21 19-Jan-95 Added auto media detection. @@ -251,7 +251,7 @@ Add request/release_region code. Add loadable modules support for PCI. Clean up loadable modules support. - 0.23 28-Feb-95 Added DC21041 and DC21140 support. + 0.23 28-Feb-95 Added DC21041 and DC21140 support. Fix missed frame counter value and initialisation. Fixed EISA probe. 0.24 11-Apr-95 Change delay routine to use <linux/udelay>. @@ -280,7 +280,7 @@ Add kernel timer code (h/w is too flaky). Add MII based PHY autosense. Add new multicasting code. - Add new autosense algorithms for media/mode + Add new autosense algorithms for media/mode selection using kernel scheduling/timing. Re-formatted. Made changes suggested by <jeff@router.patch.net>: @@ -307,10 +307,10 @@ Add Accton to the list of broken cards. Fix TX under-run bug for non DC21140 chips. Fix boot command probe bug in alloc_device() as - reported by <koen.gadeyne@barco.com> and + reported by <koen.gadeyne@barco.com> and <orava@nether.tky.hut.fi>. Add cache locks to prevent a race condition as - reported by <csd@microplex.com> and + reported by <csd@microplex.com> and <baba@beckman.uiuc.edu>. Upgraded alloc_device() code. 0.431 28-Jun-96 Fix potential bug in queue_pkt() from discussion @@ -322,7 +322,7 @@ with a loopback packet. 0.442 9-Sep-96 Include AUI in dc21041 media printout. Bug reported by <bhat@mundook.cs.mu.OZ.AU> - 0.45 8-Dec-96 Include endian functions for PPC use, from work + 0.45 8-Dec-96 Include endian functions for PPC use, from work by <cort@cs.nmt.edu> and <g.thomas@opengroup.org>. 0.451 28-Dec-96 Added fix to allow autoprobe for modules after suggestion from <mjacob@feral.com>. @@ -346,14 +346,14 @@ <paubert@iram.es>. 0.52 26-Apr-97 Some changes may not credit the right people - a disk crash meant I lost some mail. - Change RX interrupt routine to drop rather than - defer packets to avoid hang reported by + Change RX interrupt routine to drop rather than + defer packets to avoid hang reported by <g.thomas@opengroup.org>. Fix srom_exec() to return for COMPACT and type 1 infoblocks. Added DC21142 and DC21143 functions. Added byte counters from <phil@tazenda.demon.co.uk> - Added SA_INTERRUPT temporary fix from + Added SA_INTERRUPT temporary fix from <mjacob@feral.com>. 0.53 12-Nov-97 Fix the *_probe() to include 'eth??' name during module load: bug reported by @@ -363,10 +363,10 @@ Make above search independent of BIOS device scan direction. Completed DC2114[23] autosense functions. - 0.531 21-Dec-97 Fix DE500-XA 100Mb/s bug reported by + 0.531 21-Dec-97 Fix DE500-XA 100Mb/s bug reported by <robin@intercore.com Fix type1_infoblock() bug introduced in 0.53, from - problem reports by + problem reports by <parmee@postecss.ncrfran.france.ncr.com> and <jo@ice.dillingen.baynet.de>. Added argument list to set up each board from either @@ -374,7 +374,7 @@ Added generic MII PHY functionality to deal with newer PHY chips. Fix the mess in 2.1.67. - 0.532 5-Jan-98 Fix bug in mii_get_phy() reported by + 0.532 5-Jan-98 Fix bug in mii_get_phy() reported by <redhat@cococo.net>. Fix bug in pci_probe() for 64 bit systems reported by <belliott@accessone.com>. @@ -398,7 +398,7 @@ version. I hope nothing is broken... Add TX done interrupt modification from suggestion by <Austin.Donnelly@cl.cam.ac.uk>. - Fix is_anc_capable() bug reported by + Fix is_anc_capable() bug reported by <Austin.Donnelly@cl.cam.ac.uk>. Fix type[13]_infoblock() bug: during MII search, PHY lp->rst not run because lp->ibn not initialised - @@ -413,7 +413,7 @@ Add an_exception() for old ZYNX346 and fix compile warning on PPC & SPARC, from <ecd@skynet.be>. Fix lastPCI to correctly work with compiled in - kernels and modules from bug report by + kernels and modules from bug report by <Zlatko.Calusic@CARNet.hr> et al. 0.542 15-Sep-98 Fix dc2114x_autoconf() to stop multiple messages when media is unconnected. @@ -425,7 +425,7 @@ 0.544 8-May-99 Fix for buggy SROM in Motorola embedded boards using a 21143 by <mmporter@home.com>. Change PCI/EISA bus probing order. - 0.545 28-Nov-99 Further Moto SROM bug fix from + 0.545 28-Nov-99 Further Moto SROM bug fix from <mporter@eng.mcd.mot.com> Remove double checking for DEBUG_RX in de4x5_dbg_rx() from report by <geert@linux-m68k.org> @@ -434,8 +434,8 @@ variable 'pb', on a non de4x5 PCI device, in this case a PCI bridge (DEC chip 21152). The value of 'pb' is now only initialized if a de4x5 chip is - present. - <france@handhelds.org> + present. + <france@handhelds.org> 0.547 08-Nov-01 Use library crc32 functions by <Matt_Domsch@dell.com> 0.548 30-Aug-03 Big 2.6 cleanup. Ported to PCI/EISA probing and generic DMA APIs. Fixed DE425 support on Alpha. @@ -584,7 +584,7 @@ static int de4x5_debug = (DEBUG_MEDIA | DEBUG_VERSION); /* ** Allow per adapter set up. For modules this is simply a command line -** parameter, e.g.: +** parameter, e.g.: ** insmod de4x5 args='eth1:fdx autosense=BNC eth0:autosense=100Mb'. ** ** For a compiled in driver, place e.g. @@ -655,7 +655,7 @@ static c_char *de4x5_signatures[] = DE4X5_SIGNATURE; ** Memory Alignment. Each descriptor is 4 longwords long. To force a ** particular alignment on the TX descriptor, adjust DESC_SKIP_LEN and ** DESC_ALIGN. ALIGN aligns the start address of the private memory area -** and hence the RX descriptor ring's first entry. +** and hence the RX descriptor ring's first entry. */ #define DE4X5_ALIGN4 ((u_long)4 - 1) /* 1 longword align */ #define DE4X5_ALIGN8 ((u_long)8 - 1) /* 2 longword align */ @@ -1081,8 +1081,8 @@ static int (*dc_infoblock[])(struct net_device *dev, u_char, u_char *) = { mdelay(2); /* Wait for 2ms */\ } - -static int __devinit + +static int __devinit de4x5_hw_init(struct net_device *dev, u_long iobase, struct device *gendev) { char name[DE4X5_NAME_LENGTH + 1]; @@ -1102,12 +1102,12 @@ de4x5_hw_init(struct net_device *dev, u_long iobase, struct device *gendev) mdelay(10); RESET_DE4X5; - + if ((inl(DE4X5_STS) & (STS_TS | STS_RS)) != 0) { return -ENXIO; /* Hardware could not reset */ } - - /* + + /* ** Now find out what kind of DC21040/DC21041/DC21140 board we have. */ lp->useSROM = FALSE; @@ -1116,21 +1116,21 @@ de4x5_hw_init(struct net_device *dev, u_long iobase, struct device *gendev) } else { EISA_signature(name, gendev); } - + if (*name == '\0') { /* Not found a board signature */ return -ENXIO; } - + dev->base_addr = iobase; printk ("%s: %s at 0x%04lx", gendev->bus_id, name, iobase); - + printk(", h/w address "); status = get_hw_addr(dev); for (i = 0; i < ETH_ALEN - 1; i++) { /* get the ethernet addr. */ printk("%2.2x:", dev->dev_addr[i]); } printk("%2.2x,\n", dev->dev_addr[i]); - + if (status != 0) { printk(" which has an Ethernet PROM CRC error.\n"); return -ENXIO; @@ -1171,10 +1171,10 @@ de4x5_hw_init(struct net_device *dev, u_long iobase, struct device *gendev) } lp->tx_ring = lp->rx_ring + NUM_RX_DESC; - + /* ** Set up the RX descriptor ring (Intels) - ** Allocate contiguous receive buffers, long word aligned (Alphas) + ** Allocate contiguous receive buffers, long word aligned (Alphas) */ #if !defined(__alpha__) && !defined(__powerpc__) && !defined(__sparc_v9__) && !defined(DE4X5_DO_MEMCPY) for (i=0; i<NUM_RX_DESC; i++) { @@ -1210,7 +1210,7 @@ de4x5_hw_init(struct net_device *dev, u_long iobase, struct device *gendev) lp->rxRingSize = NUM_RX_DESC; lp->txRingSize = NUM_TX_DESC; - + /* Write the end of list marker to the descriptor lists */ lp->rx_ring[lp->rxRingSize - 1].des1 |= cpu_to_le32(RD_RER); lp->tx_ring[lp->txRingSize - 1].des1 |= cpu_to_le32(TD_TER); @@ -1219,7 +1219,7 @@ de4x5_hw_init(struct net_device *dev, u_long iobase, struct device *gendev) outl(lp->dma_rings, DE4X5_RRBA); outl(lp->dma_rings + NUM_RX_DESC * sizeof(struct de4x5_desc), DE4X5_TRBA); - + /* Initialise the IRQ mask and Enable/Disable */ lp->irq_mask = IMR_RIM | IMR_TIM | IMR_TUM | IMR_UNM; lp->irq_en = IMR_NIM | IMR_AIM; @@ -1252,7 +1252,7 @@ de4x5_hw_init(struct net_device *dev, u_long iobase, struct device *gendev) if ((lp->chipset != DC21040) && (lp->chipset != DC21041)) { mii_get_phy(dev); } - + #ifndef __sparc_v9__ printk(" and requires IRQ%d (provided by %s).\n", dev->irq, #else @@ -1260,11 +1260,11 @@ de4x5_hw_init(struct net_device *dev, u_long iobase, struct device *gendev) #endif ((lp->bus == PCI) ? "PCI BIOS" : "EISA CNFG")); } - + if (de4x5_debug & DEBUG_VERSION) { printk(version); } - + /* The DE4X5-specific entries in the device structure. */ SET_MODULE_OWNER(dev); SET_NETDEV_DEV(dev, gendev); @@ -1274,23 +1274,23 @@ de4x5_hw_init(struct net_device *dev, u_long iobase, struct device *gendev) dev->get_stats = &de4x5_get_stats; dev->set_multicast_list = &set_multicast_list; dev->do_ioctl = &de4x5_ioctl; - + dev->mem_start = 0; - + /* Fill in the generic fields of the device structure. */ if ((status = register_netdev (dev))) { dma_free_coherent (gendev, lp->dma_size, lp->rx_ring, lp->dma_rings); return status; } - + /* Let the adapter sleep to save power */ yawn(dev, SLEEP); - + return status; } - + static int de4x5_open(struct net_device *dev) { @@ -1312,15 +1312,15 @@ de4x5_open(struct net_device *dev) */ yawn(dev, WAKEUP); - /* - ** Re-initialize the DE4X5... + /* + ** Re-initialize the DE4X5... */ status = de4x5_init(dev); spin_lock_init(&lp->lock); lp->state = OPEN; de4x5_dbg_open(dev); - - if (request_irq(dev->irq, (void *)de4x5_interrupt, SA_SHIRQ, + + if (request_irq(dev->irq, (void *)de4x5_interrupt, SA_SHIRQ, lp->adapter_name, dev)) { printk("de4x5_open(): Requested IRQ%d is busy - attemping FAST/SHARE...", dev->irq); if (request_irq(dev->irq, de4x5_interrupt, SA_INTERRUPT | SA_SHIRQ, @@ -1340,11 +1340,11 @@ de4x5_open(struct net_device *dev) lp->interrupt = UNMASK_INTERRUPTS; dev->trans_start = jiffies; - + START_DE4X5; - + de4x5_setup_intr(dev); - + if (de4x5_debug & DEBUG_OPEN) { printk("\tsts: 0x%08x\n", inl(DE4X5_STS)); printk("\tbmr: 0x%08x\n", inl(DE4X5_BMR)); @@ -1355,7 +1355,7 @@ de4x5_open(struct net_device *dev) printk("\tstrr: 0x%08x\n", inl(DE4X5_STRR)); printk("\tsigr: 0x%08x\n", inl(DE4X5_SIGR)); } - + return status; } @@ -1369,15 +1369,15 @@ de4x5_open(struct net_device *dev) */ static int de4x5_init(struct net_device *dev) -{ +{ /* Lock out other processes whilst setting up the hardware */ netif_stop_queue(dev); - + de4x5_sw_reset(dev); - + /* Autoconfigure the connected port */ autoconf_media(dev); - + return 0; } @@ -1388,7 +1388,7 @@ de4x5_sw_reset(struct net_device *dev) u_long iobase = dev->base_addr; int i, j, status = 0; s32 bmr, omr; - + /* Select the MII or SRL port now and RESET the MAC */ if (!lp->useSROM) { if (lp->phy[lp->active].id != 0) { @@ -1399,7 +1399,7 @@ de4x5_sw_reset(struct net_device *dev) de4x5_switch_mac_port(dev); } - /* + /* ** Set the programmable burst length to 8 longwords for all the DC21140 ** Fasternet chips and 4 longwords for all others: DMA errors result ** without these values. Cache align 16 long. @@ -1416,23 +1416,23 @@ de4x5_sw_reset(struct net_device *dev) outl(lp->dma_rings, DE4X5_RRBA); outl(lp->dma_rings + NUM_RX_DESC * sizeof(struct de4x5_desc), DE4X5_TRBA); - + lp->rx_new = lp->rx_old = 0; lp->tx_new = lp->tx_old = 0; - + for (i = 0; i < lp->rxRingSize; i++) { lp->rx_ring[i].status = cpu_to_le32(R_OWN); } - + for (i = 0; i < lp->txRingSize; i++) { lp->tx_ring[i].status = cpu_to_le32(0); } - + barrier(); /* Build the setup frame depending on filtering mode */ SetMulticastFilter(dev); - + load_packet(dev, lp->setup_frame, PERFECT_F|TD_SET|SETUP_FRAME_LEN, (struct sk_buff *)1); outl(omr|OMR_ST, DE4X5_OMR); @@ -1445,18 +1445,18 @@ de4x5_sw_reset(struct net_device *dev) outl(omr, DE4X5_OMR); /* Stop everything! */ if (j == 0) { - printk("%s: Setup frame timed out, status %08x\n", dev->name, + printk("%s: Setup frame timed out, status %08x\n", dev->name, inl(DE4X5_STS)); status = -EIO; } - + lp->tx_new = (++lp->tx_new) % lp->txRingSize; lp->tx_old = lp->tx_new; return status; } -/* +/* ** Writes a socket buffer address to the next available transmit descriptor. */ static int @@ -1469,9 +1469,9 @@ de4x5_queue_pkt(struct sk_buff *skb, struct net_device *dev) netif_stop_queue(dev); if (lp->tx_enable == NO) { /* Cannot send for now */ - return -1; + return -1; } - + /* ** Clean out the TX ring asynchronously to interrupts - sometimes the ** interrupts are lost by delayed descriptor status updates relative to @@ -1482,7 +1482,7 @@ de4x5_queue_pkt(struct sk_buff *skb, struct net_device *dev) spin_unlock_irqrestore(&lp->lock, flags); /* Test if cache is already locked - requeue skb if so */ - if (test_and_set_bit(0, (void *)&lp->cache.lock) && !lp->interrupt) + if (test_and_set_bit(0, (void *)&lp->cache.lock) && !lp->interrupt) return -1; /* Transmit descriptor ring full or stale skb */ @@ -1509,10 +1509,10 @@ de4x5_queue_pkt(struct sk_buff *skb, struct net_device *dev) load_packet(dev, skb->data, TD_IC | TD_LS | TD_FS | skb->len, skb); lp->stats.tx_bytes += skb->len; outl(POLL_DEMAND, DE4X5_TPD);/* Start the TX */ - + lp->tx_new = (++lp->tx_new) % lp->txRingSize; dev->trans_start = jiffies; - + if (TX_BUFFS_AVAIL) { netif_start_queue(dev); /* Another pkt may be queued */ } @@ -1521,15 +1521,15 @@ de4x5_queue_pkt(struct sk_buff *skb, struct net_device *dev) } if (skb) de4x5_putb_cache(dev, skb); } - + lp->cache.lock = 0; return status; } /* -** The DE4X5 interrupt handler. -** +** The DE4X5 interrupt handler. +** ** I/O Read/Writes through intermediate PCI bridges are never 'posted', ** so that the asserted interrupt always has some real data to work with - ** if these I/O accesses are ever changed to memory accesses, ensure the @@ -1546,7 +1546,7 @@ de4x5_interrupt(int irq, void *dev_id, struct pt_regs *regs) s32 imr, omr, sts, limit; u_long iobase; unsigned int handled = 0; - + if (dev == NULL) { printk ("de4x5_interrupt(): irq %d for unknown device.\n", irq); return IRQ_NONE; @@ -1554,35 +1554,35 @@ de4x5_interrupt(int irq, void *dev_id, struct pt_regs *regs) lp = netdev_priv(dev); spin_lock(&lp->lock); iobase = dev->base_addr; - + DISABLE_IRQs; /* Ensure non re-entrancy */ if (test_and_set_bit(MASK_INTERRUPTS, (void*) &lp->interrupt)) printk("%s: Re-entering the interrupt handler.\n", dev->name); synchronize_irq(dev->irq); - + for (limit=0; limit<8; limit++) { sts = inl(DE4X5_STS); /* Read IRQ status */ outl(sts, DE4X5_STS); /* Reset the board interrupts */ - + if (!(sts & lp->irq_mask)) break;/* All done */ handled = 1; - + if (sts & (STS_RI | STS_RU)) /* Rx interrupt (packet[s] arrived) */ de4x5_rx(dev); - + if (sts & (STS_TI | STS_TU)) /* Tx interrupt (packet sent) */ - de4x5_tx(dev); - + de4x5_tx(dev); + if (sts & STS_LNF) { /* TP Link has failed */ lp->irq_mask &= ~IMR_LFM; } - + if (sts & STS_UNF) { /* Transmit underrun */ de4x5_txur(dev); } - + if (sts & STS_SE) { /* Bus Error */ STOP_DE4X5; printk("%s: Fatal bus error occurred, sts=%#8x, device stopped.\n", @@ -1603,7 +1603,7 @@ de4x5_interrupt(int irq, void *dev_id, struct pt_regs *regs) lp->interrupt = UNMASK_INTERRUPTS; ENABLE_IRQs; spin_unlock(&lp->lock); - + return IRQ_RETVAL(handled); } @@ -1614,11 +1614,11 @@ de4x5_rx(struct net_device *dev) u_long iobase = dev->base_addr; int entry; s32 status; - + for (entry=lp->rx_new; (s32)le32_to_cpu(lp->rx_ring[entry].status)>=0; entry=lp->rx_new) { status = (s32)le32_to_cpu(lp->rx_ring[entry].status); - + if (lp->rx_ovf) { if (inl(DE4X5_MFC) & MFC_FOCM) { de4x5_rx_ovfc(dev); @@ -1629,7 +1629,7 @@ de4x5_rx(struct net_device *dev) if (status & RD_FS) { /* Remember the start of frame */ lp->rx_old = entry; } - + if (status & RD_LS) { /* Valid frame status */ if (lp->tx_enable) lp->linkOK++; if (status & RD_ES) { /* There was an error. */ @@ -1646,9 +1646,9 @@ de4x5_rx(struct net_device *dev) struct sk_buff *skb; short pkt_len = (short)(le32_to_cpu(lp->rx_ring[entry].status) >> 16) - 4; - + if ((skb = de4x5_alloc_rx_buff(dev, entry, pkt_len)) == NULL) { - printk("%s: Insufficient memory; nuking packet.\n", + printk("%s: Insufficient memory; nuking packet.\n", dev->name); lp->stats.rx_dropped++; } else { @@ -1658,14 +1658,14 @@ de4x5_rx(struct net_device *dev) skb->protocol=eth_type_trans(skb,dev); de4x5_local_stats(dev, skb->data, pkt_len); netif_rx(skb); - + /* Update stats */ dev->last_rx = jiffies; lp->stats.rx_packets++; lp->stats.rx_bytes += pkt_len; } } - + /* Change buffer ownership for this frame, back to the adapter */ for (;lp->rx_old!=entry;lp->rx_old=(++lp->rx_old)%lp->rxRingSize) { lp->rx_ring[lp->rx_old].status = cpu_to_le32(R_OWN); @@ -1674,13 +1674,13 @@ de4x5_rx(struct net_device *dev) lp->rx_ring[entry].status = cpu_to_le32(R_OWN); barrier(); } - + /* ** Update entry information */ lp->rx_new = (++lp->rx_new) % lp->rxRingSize; } - + return 0; } @@ -1705,20 +1705,20 @@ de4x5_tx(struct net_device *dev) u_long iobase = dev->base_addr; int entry; s32 status; - + for (entry = lp->tx_old; entry != lp->tx_new; entry = lp->tx_old) { status = (s32)le32_to_cpu(lp->tx_ring[entry].status); if (status < 0) { /* Buffer not sent yet */ break; } else if (status != 0x7fffffff) { /* Not setup frame */ if (status & TD_ES) { /* An error happened */ - lp->stats.tx_errors++; + lp->stats.tx_errors++; if (status & TD_NC) lp->stats.tx_carrier_errors++; if (status & TD_LC) lp->stats.tx_window_errors++; if (status & TD_UF) lp->stats.tx_fifo_errors++; if (status & TD_EC) lp->pktStats.excessive_collisions++; if (status & TD_DE) lp->stats.tx_aborted_errors++; - + if (TX_PKT_PENDING) { outl(POLL_DEMAND, DE4X5_TPD);/* Restart a stalled TX */ } @@ -1727,14 +1727,14 @@ de4x5_tx(struct net_device *dev) if (lp->tx_enable) lp->linkOK++; } /* Update the collision counter */ - lp->stats.collisions += ((status & TD_EC) ? 16 : + lp->stats.collisions += ((status & TD_EC) ? 16 : ((status & TD_CC) >> 3)); /* Free the buffer. */ if (lp->tx_skb[entry] != NULL) de4x5_free_tx_buff(lp, entry); } - + /* Update all the pointers */ lp->tx_old = (++lp->tx_old) % lp->txRingSize; } @@ -1746,7 +1746,7 @@ de4x5_tx(struct net_device *dev) else netif_start_queue(dev); } - + return 0; } @@ -1755,9 +1755,9 @@ de4x5_ast(struct net_device *dev) { struct de4x5_private *lp = netdev_priv(dev); int next_tick = DE4X5_AUTOSENSE_MS; - + disable_ast(dev); - + if (lp->useSROM) { next_tick = srom_autoconf(dev); } else if (lp->chipset == DC21140) { @@ -1769,7 +1769,7 @@ de4x5_ast(struct net_device *dev) } lp->linkOK = 0; enable_ast(dev, next_tick); - + return 0; } @@ -1792,11 +1792,11 @@ de4x5_txur(struct net_device *dev) } outl(omr | OMR_ST | OMR_SR, DE4X5_OMR); } - + return 0; } -static int +static int de4x5_rx_ovfc(struct net_device *dev) { struct de4x5_private *lp = netdev_priv(dev); @@ -1813,7 +1813,7 @@ de4x5_rx_ovfc(struct net_device *dev) } outl(omr, DE4X5_OMR); - + return 0; } @@ -1823,22 +1823,22 @@ de4x5_close(struct net_device *dev) struct de4x5_private *lp = netdev_priv(dev); u_long iobase = dev->base_addr; s32 imr, omr; - + disable_ast(dev); netif_stop_queue(dev); - + if (de4x5_debug & DEBUG_CLOSE) { printk("%s: Shutting down ethercard, status was %8.8x.\n", dev->name, inl(DE4X5_STS)); } - - /* + + /* ** We stop the DE4X5 here... mask interrupts and stop TX & RX */ DISABLE_IRQs; STOP_DE4X5; - + /* Free the associated irq */ free_irq(dev->irq, dev); lp->state = CLOSED; @@ -1846,10 +1846,10 @@ de4x5_close(struct net_device *dev) /* Free any socket buffers */ de4x5_free_rx_buffs(dev); de4x5_free_tx_buffs(dev); - + /* Put the adapter to sleep to save power */ yawn(dev, SLEEP); - + return 0; } @@ -1858,9 +1858,9 @@ de4x5_get_stats(struct net_device *dev) { struct de4x5_private *lp = netdev_priv(dev); u_long iobase = dev->base_addr; - + lp->stats.rx_missed_errors = (int)(inl(DE4X5_MFC) & (MFC_OVFL | MFC_CNTR)); - + return &lp->stats; } @@ -1886,7 +1886,7 @@ de4x5_local_stats(struct net_device *dev, char *buf, int pkt_len) (*(s16 *)&buf[4] == *(s16 *)&dev->dev_addr[4])) { lp->pktStats.unicast++; } - + lp->pktStats.bins[0]++; /* Duplicates stats.rx_packets */ if (lp->pktStats.bins[0] == 0) { /* Reset counters */ memset((char *)&lp->pktStats, 0, sizeof(lp->pktStats)); @@ -1937,11 +1937,11 @@ set_multicast_list(struct net_device *dev) omr = inl(DE4X5_OMR); omr |= OMR_PR; outl(omr, DE4X5_OMR); - } else { + } else { SetMulticastFilter(dev); - load_packet(dev, lp->setup_frame, TD_IC | PERFECT_F | TD_SET | + load_packet(dev, lp->setup_frame, TD_IC | PERFECT_F | TD_SET | SETUP_FRAME_LEN, (struct sk_buff *)1); - + lp->tx_new = (++lp->tx_new) % lp->txRingSize; outl(POLL_DEMAND, DE4X5_TPD); /* Start the TX */ dev->trans_start = jiffies; @@ -1969,20 +1969,20 @@ SetMulticastFilter(struct net_device *dev) omr = inl(DE4X5_OMR); omr &= ~(OMR_PR | OMR_PM); pa = build_setup_frame(dev, ALL); /* Build the basic frame */ - + if ((dev->flags & IFF_ALLMULTI) || (dev->mc_count > 14)) { omr |= OMR_PM; /* Pass all multicasts */ } else if (lp->setup_f == HASH_PERF) { /* Hash Filtering */ for (i=0;i<dev->mc_count;i++) { /* for each address in the list */ addrs=dmi->dmi_addr; dmi=dmi->next; - if ((*addrs & 0x01) == 1) { /* multicast address? */ + if ((*addrs & 0x01) == 1) { /* multicast address? */ crc = ether_crc_le(ETH_ALEN, addrs); hashcode = crc & HASH_BITS; /* hashcode is 9 LSb of CRC */ - + byte = hashcode >> 3; /* bit[3-8] -> byte in filter */ bit = 1 << (hashcode & 0x07);/* bit[0-2] -> bit in byte */ - + byte <<= 1; /* calc offset into setup frame */ if (byte & 0x02) { byte -= 1; @@ -1994,14 +1994,14 @@ SetMulticastFilter(struct net_device *dev) for (j=0; j<dev->mc_count; j++) { addrs=dmi->dmi_addr; dmi=dmi->next; - for (i=0; i<ETH_ALEN; i++) { + for (i=0; i<ETH_ALEN; i++) { *(pa + (i&1)) = *addrs++; if (i & 0x01) pa += 4; } } } outl(omr, DE4X5_OMR); - + return; } @@ -2031,18 +2031,18 @@ static int __init de4x5_eisa_probe (struct device *gendev) status = -EBUSY; goto release_reg_1; } - + if (!(dev = alloc_etherdev (sizeof (struct de4x5_private)))) { status = -ENOMEM; goto release_reg_2; } lp = netdev_priv(dev); - + cfid = (u32) inl(PCI_CFID); lp->cfrv = (u_short) inl(PCI_CFRV); device = (cfid >> 8) & 0x00ffff00; vendor = (u_short) cfid; - + /* Read the EISA Configuration Registers */ regval = inb(EISA_REG0) & (ER0_INTL | ER0_INTT); #ifdef CONFIG_ALPHA @@ -2050,7 +2050,7 @@ static int __init de4x5_eisa_probe (struct device *gendev) * care about the EISA configuration, and thus doesn't * configure the PLX bridge properly. Oh well... Simply mimic * the EISA config file to sort it out. */ - + /* EISA REG1: Assert DecChip 21040 HW Reset */ outb (ER1_IAM | 1, EISA_REG1); mdelay (1); @@ -2061,12 +2061,12 @@ static int __init de4x5_eisa_probe (struct device *gendev) /* EISA REG3: R/W Burst Transfer Enable */ outb (ER3_BWE | ER3_BRE, EISA_REG3); - + /* 32_bit slave/master, Preempt Time=23 bclks, Unlatched Interrupt */ outb (ER0_BSW | ER0_BMW | ER0_EPT | regval, EISA_REG0); #endif irq = de4x5_irq[(regval >> 1) & 0x03]; - + if (is_DC2114x) { device = ((lp->cfrv & CFRV_RN) < DC2114x_BRK ? DC21142 : DC21143); } @@ -2077,7 +2077,7 @@ static int __init de4x5_eisa_probe (struct device *gendev) outl(PCI_COMMAND_IO | PCI_COMMAND_MASTER, PCI_CFCS); outl(0x00006000, PCI_CFLT); outl(iobase, PCI_CBIO); - + DevicePresent(dev, EISA_APROM); dev->irq = irq; @@ -2102,7 +2102,7 @@ static int __devexit de4x5_eisa_remove (struct device *device) dev = device->driver_data; iobase = dev->base_addr; - + unregister_netdev (dev); free_netdev (dev); release_region (iobase + DE4X5_EISA_IO_PORTS, DE4X5_EISA_TOTAL_SIZE); @@ -2131,11 +2131,11 @@ MODULE_DEVICE_TABLE(eisa, de4x5_eisa_ids); /* ** This function searches the current bus (which is >0) for a DECchip with an -** SROM, so that in multiport cards that have one SROM shared between multiple +** SROM, so that in multiport cards that have one SROM shared between multiple ** DECchips, we can find the base SROM irrespective of the BIOS scan direction. ** For single port cards this is a time waster... */ -static void __devinit +static void __devinit srom_search(struct net_device *dev, struct pci_dev *pdev) { u_char pb; @@ -2163,7 +2163,7 @@ srom_search(struct net_device *dev, struct pci_dev *pdev) /* Set the device number information */ lp->device = PCI_SLOT(this_dev->devfn); lp->bus_num = pb; - + /* Set the chipset information */ if (is_DC2114x) { device = ((cfrv & CFRV_RN) < DC2114x_BRK ? DC21142 : DC21143); @@ -2176,7 +2176,7 @@ srom_search(struct net_device *dev, struct pci_dev *pdev) /* Fetch the IRQ to be used */ irq = this_dev->irq; if ((irq == 0) || (irq == 0xff) || ((int)irq == -1)) continue; - + /* Check if I/O accesses are enabled */ pci_read_config_word(this_dev, PCI_COMMAND, &status); if (!(status & PCI_COMMAND_IO)) continue; @@ -2254,7 +2254,7 @@ static int __devinit de4x5_pci_probe (struct pci_dev *pdev, lp = netdev_priv(dev); lp->bus = PCI; lp->bus_num = 0; - + /* Search for an SROM on this bus */ if (lp->bus_num != pb) { lp->bus_num = pb; @@ -2267,7 +2267,7 @@ static int __devinit de4x5_pci_probe (struct pci_dev *pdev, /* Set the device number information */ lp->device = dev_num; lp->bus_num = pb; - + /* Set the chipset information */ if (is_DC2114x) { device = ((lp->cfrv & CFRV_RN) < DC2114x_BRK ? DC21142 : DC21143); @@ -2283,7 +2283,7 @@ static int __devinit de4x5_pci_probe (struct pci_dev *pdev, error = -ENODEV; goto free_dev; } - + /* Check if I/O accesses and Bus Mastering are enabled */ pci_read_config_word(pdev, PCI_COMMAND, &status); #ifdef __powerpc__ @@ -2322,7 +2322,7 @@ static int __devinit de4x5_pci_probe (struct pci_dev *pdev, } dev->irq = irq; - + if ((error = de4x5_hw_init(dev, iobase, &pdev->dev))) { goto release; } @@ -2377,7 +2377,7 @@ static struct pci_driver de4x5_pci_driver = { ** Auto configure the media here rather than setting the port at compile ** time. This routine is called by de4x5_init() and when a loss of media is ** detected (excessive collisions, loss of carrier, no carrier or link fail -** [TP] or no recent receive activity) to check whether the user has been +** [TP] or no recent receive activity) to check whether the user has been ** sneaky and changed the port on us. */ static int @@ -2405,7 +2405,7 @@ autoconf_media(struct net_device *dev) } enable_ast(dev, next_tick); - + return (lp->media); } @@ -2428,7 +2428,7 @@ dc21040_autoconf(struct net_device *dev) u_long iobase = dev->base_addr; int next_tick = DE4X5_AUTOSENSE_MS; s32 imr; - + switch (lp->media) { case INIT: DISABLE_IRQs; @@ -2447,36 +2447,36 @@ dc21040_autoconf(struct net_device *dev) lp->local_state = 0; next_tick = dc21040_autoconf(dev); break; - + case TP: - next_tick = dc21040_state(dev, 0x8f01, 0xffff, 0x0000, 3000, BNC_AUI, + next_tick = dc21040_state(dev, 0x8f01, 0xffff, 0x0000, 3000, BNC_AUI, TP_SUSPECT, test_tp); break; - + case TP_SUSPECT: next_tick = de4x5_suspect_state(dev, 1000, TP, test_tp, dc21040_autoconf); break; - + case BNC: case AUI: case BNC_AUI: - next_tick = dc21040_state(dev, 0x8f09, 0x0705, 0x0006, 3000, EXT_SIA, + next_tick = dc21040_state(dev, 0x8f09, 0x0705, 0x0006, 3000, EXT_SIA, BNC_AUI_SUSPECT, ping_media); break; - + case BNC_AUI_SUSPECT: next_tick = de4x5_suspect_state(dev, 1000, BNC_AUI, ping_media, dc21040_autoconf); break; - + case EXT_SIA: - next_tick = dc21040_state(dev, 0x3041, 0x0000, 0x0006, 3000, + next_tick = dc21040_state(dev, 0x3041, 0x0000, 0x0006, 3000, NC, EXT_SIA_SUSPECT, ping_media); break; - + case EXT_SIA_SUSPECT: next_tick = de4x5_suspect_state(dev, 1000, EXT_SIA, ping_media, dc21040_autoconf); |