/*
* Copyright (c) 1997-2000 LAN Media Corporation (LMC)
* All rights reserved. www.lanmedia.com
+ * Generic HDLC port Copyright (C) 2008 Krzysztof Halasa <khc@pm.waw.pl>
*
* This code is written by:
* Andrew Stanley-Jones (asj@cban.com)
*
*/
-/* $Id: lmc_main.c,v 1.36 2000/04/11 05:25:25 asj Exp $ */
-
#include <linux/kernel.h>
#include <linux/module.h>
#include <linux/string.h>
#include <linux/interrupt.h>
#include <linux/pci.h>
#include <linux/delay.h>
+#include <linux/hdlc.h>
#include <linux/init.h>
#include <linux/in.h>
#include <linux/if_arp.h>
#include <linux/skbuff.h>
#include <linux/inet.h>
#include <linux/bitops.h>
-
-#include <net/syncppp.h>
-
#include <asm/processor.h> /* Processor type for cache alignment. */
#include <asm/io.h>
#include <asm/dma.h>
#include "lmc_debug.h"
#include "lmc_proto.h"
-static int lmc_first_load = 0;
-
static int LMC_PKT_BUF_SZ = 1542;
static struct pci_device_id lmc_pci_tbl[] = {
};
MODULE_DEVICE_TABLE(pci, lmc_pci_tbl);
-MODULE_LICENSE("GPL");
+MODULE_LICENSE("GPL v2");
-static int lmc_start_xmit(struct sk_buff *skb, struct net_device *dev);
static int lmc_start_xmit(struct sk_buff *skb, struct net_device *dev);
static int lmc_rx (struct net_device *dev);
static int lmc_open(struct net_device *dev);
* linux reserves 16 device specific IOCTLs. We call them
* LMCIOC* to control various bits of our world.
*/
-int lmc_ioctl (struct net_device *dev, struct ifreq *ifr, int cmd) /*fold00*/
+int lmc_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd) /*fold00*/
{
- lmc_softc_t *sc;
+ lmc_softc_t *sc = dev_to_sc(dev);
lmc_ctl_t ctl;
- int ret;
- u_int16_t regVal;
+ int ret = -EOPNOTSUPP;
+ u16 regVal;
unsigned long flags;
- struct sppp *sp;
-
- ret = -EOPNOTSUPP;
-
- sc = dev->priv;
-
lmc_trace(dev, "lmc_ioctl in");
/*
* Most functions mess with the structure
* Disable interrupts while we do the polling
*/
- spin_lock_irqsave(&sc->lmc_lock, flags);
switch (cmd) {
/*
break;
case LMCIOCSINFO: /*fold01*/
- sp = &((struct ppp_device *) dev)->sppp;
if (!capable(CAP_NET_ADMIN)) {
ret = -EPERM;
break;
break;
}
+ spin_lock_irqsave(&sc->lmc_lock, flags);
sc->lmc_media->set_status (sc, &ctl);
if(ctl.crc_length != sc->ictl.crc_length) {
else
sc->TxDescriptControlInit &= ~LMC_TDES_ADD_CRC_DISABLE;
}
-
- if (ctl.keepalive_onoff == LMC_CTL_OFF)
- sp->pp_flags &= ~PP_KEEPALIVE; /* Turn off */
- else
- sp->pp_flags |= PP_KEEPALIVE; /* Turn on */
+ spin_unlock_irqrestore(&sc->lmc_lock, flags);
ret = 0;
break;
case LMCIOCIFTYPE: /*fold01*/
{
- u_int16_t old_type = sc->if_type;
- u_int16_t new_type;
+ u16 old_type = sc->if_type;
+ u16 new_type;
if (!capable(CAP_NET_ADMIN)) {
ret = -EPERM;
break;
}
- if (copy_from_user(&new_type, ifr->ifr_data, sizeof(u_int16_t))) {
+ if (copy_from_user(&new_type, ifr->ifr_data, sizeof(u16))) {
ret = -EFAULT;
break;
}
break; /* no change */
}
+ spin_lock_irqsave(&sc->lmc_lock, flags);
lmc_proto_close(sc);
- lmc_proto_detach(sc);
sc->if_type = new_type;
-// lmc_proto_init(sc);
lmc_proto_attach(sc);
- lmc_proto_open(sc);
-
- ret = 0 ;
- break ;
+ ret = lmc_proto_open(sc);
+ spin_unlock_irqrestore(&sc->lmc_lock, flags);
+ break;
}
case LMCIOCGETXINFO: /*fold01*/
+ spin_lock_irqsave(&sc->lmc_lock, flags);
sc->lmc_xinfo.Magic0 = 0xBEEFCAFE;
sc->lmc_xinfo.PciCardType = sc->lmc_cardtype;
sc->lmc_xinfo.MaxFrameSize = LMC_PKT_BUF_SZ;
sc->lmc_xinfo.link_status = sc->lmc_media->get_link_status (sc);
sc->lmc_xinfo.mii_reg16 = lmc_mii_readreg (sc, 0, 16);
+ spin_unlock_irqrestore(&sc->lmc_lock, flags);
sc->lmc_xinfo.Magic1 = 0xDEADBEEF;
break;
- case LMCIOCGETLMCSTATS: /*fold01*/
- if (sc->lmc_cardtype == LMC_CARDTYPE_T1){
- lmc_mii_writereg (sc, 0, 17, T1FRAMER_FERR_LSB);
- sc->stats.framingBitErrorCount +=
- lmc_mii_readreg (sc, 0, 18) & 0xff;
- lmc_mii_writereg (sc, 0, 17, T1FRAMER_FERR_MSB);
- sc->stats.framingBitErrorCount +=
- (lmc_mii_readreg (sc, 0, 18) & 0xff) << 8;
- lmc_mii_writereg (sc, 0, 17, T1FRAMER_LCV_LSB);
- sc->stats.lineCodeViolationCount +=
- lmc_mii_readreg (sc, 0, 18) & 0xff;
- lmc_mii_writereg (sc, 0, 17, T1FRAMER_LCV_MSB);
- sc->stats.lineCodeViolationCount +=
- (lmc_mii_readreg (sc, 0, 18) & 0xff) << 8;
- lmc_mii_writereg (sc, 0, 17, T1FRAMER_AERR);
- regVal = lmc_mii_readreg (sc, 0, 18) & 0xff;
-
- sc->stats.lossOfFrameCount +=
- (regVal & T1FRAMER_LOF_MASK) >> 4;
- sc->stats.changeOfFrameAlignmentCount +=
- (regVal & T1FRAMER_COFA_MASK) >> 2;
- sc->stats.severelyErroredFrameCount +=
- regVal & T1FRAMER_SEF_MASK;
- }
-
- if (copy_to_user(ifr->ifr_data, &sc->stats,
- sizeof (struct lmc_statistics)))
- ret = -EFAULT;
- else
- ret = 0;
- break;
+ case LMCIOCGETLMCSTATS:
+ spin_lock_irqsave(&sc->lmc_lock, flags);
+ if (sc->lmc_cardtype == LMC_CARDTYPE_T1) {
+ lmc_mii_writereg(sc, 0, 17, T1FRAMER_FERR_LSB);
+ sc->extra_stats.framingBitErrorCount +=
+ lmc_mii_readreg(sc, 0, 18) & 0xff;
+ lmc_mii_writereg(sc, 0, 17, T1FRAMER_FERR_MSB);
+ sc->extra_stats.framingBitErrorCount +=
+ (lmc_mii_readreg(sc, 0, 18) & 0xff) << 8;
+ lmc_mii_writereg(sc, 0, 17, T1FRAMER_LCV_LSB);
+ sc->extra_stats.lineCodeViolationCount +=
+ lmc_mii_readreg(sc, 0, 18) & 0xff;
+ lmc_mii_writereg(sc, 0, 17, T1FRAMER_LCV_MSB);
+ sc->extra_stats.lineCodeViolationCount +=
+ (lmc_mii_readreg(sc, 0, 18) & 0xff) << 8;
+ lmc_mii_writereg(sc, 0, 17, T1FRAMER_AERR);
+ regVal = lmc_mii_readreg(sc, 0, 18) & 0xff;
+
+ sc->extra_stats.lossOfFrameCount +=
+ (regVal & T1FRAMER_LOF_MASK) >> 4;
+ sc->extra_stats.changeOfFrameAlignmentCount +=
+ (regVal & T1FRAMER_COFA_MASK) >> 2;
+ sc->extra_stats.severelyErroredFrameCount +=
+ regVal & T1FRAMER_SEF_MASK;
+ }
+ spin_unlock_irqrestore(&sc->lmc_lock, flags);
+ if (copy_to_user(ifr->ifr_data, &sc->lmc_device->stats,
+ sizeof(sc->lmc_device->stats)) ||
+ copy_to_user(ifr->ifr_data + sizeof(sc->lmc_device->stats),
+ &sc->extra_stats, sizeof(sc->extra_stats)))
+ ret = -EFAULT;
+ else
+ ret = 0;
+ break;
- case LMCIOCCLEARLMCSTATS: /*fold01*/
- if (!capable(CAP_NET_ADMIN)){
- ret = -EPERM;
- break;
- }
+ case LMCIOCCLEARLMCSTATS:
+ if (!capable(CAP_NET_ADMIN)) {
+ ret = -EPERM;
+ break;
+ }
- memset (&sc->stats, 0, sizeof (struct lmc_statistics));
- sc->stats.check = STATCHECK;
- sc->stats.version_size = (DRIVER_VERSION << 16) +
- sizeof (struct lmc_statistics);
- sc->stats.lmc_cardtype = sc->lmc_cardtype;
- ret = 0;
- break;
+ spin_lock_irqsave(&sc->lmc_lock, flags);
+ memset(&sc->lmc_device->stats, 0, sizeof(sc->lmc_device->stats));
+ memset(&sc->extra_stats, 0, sizeof(sc->extra_stats));
+ sc->extra_stats.check = STATCHECK;
+ sc->extra_stats.version_size = (DRIVER_VERSION << 16) +
+ sizeof(sc->lmc_device->stats) + sizeof(sc->extra_stats);
+ sc->extra_stats.lmc_cardtype = sc->lmc_cardtype;
+ spin_unlock_irqrestore(&sc->lmc_lock, flags);
+ ret = 0;
+ break;
case LMCIOCSETCIRCUIT: /*fold01*/
if (!capable(CAP_NET_ADMIN)){
ret = -EFAULT;
break;
}
+ spin_lock_irqsave(&sc->lmc_lock, flags);
sc->lmc_media->set_circuit_type(sc, ctl.circuit_type);
sc->ictl.circuit_type = ctl.circuit_type;
+ spin_unlock_irqrestore(&sc->lmc_lock, flags);
ret = 0;
break;
break;
}
+ spin_lock_irqsave(&sc->lmc_lock, flags);
/* Reset driver and bring back to current state */
printk (" REG16 before reset +%04x\n", lmc_mii_readreg (sc, 0, 16));
lmc_running_reset (dev);
printk (" REG16 after reset +%04x\n", lmc_mii_readreg (sc, 0, 16));
LMC_EVENT_LOG(LMC_EVENT_FORCEDRESET, LMC_CSR_READ (sc, csr_status), lmc_mii_readreg (sc, 0, 16));
+ spin_unlock_irqrestore(&sc->lmc_lock, flags);
ret = 0;
break;
ret = -EFAULT;
break;
}
- if (copy_to_user(ifr->ifr_data + sizeof (u32), lmcEventLogBuf, sizeof (lmcEventLogBuf)))
+ if (copy_to_user(ifr->ifr_data + sizeof(u32), lmcEventLogBuf,
+ sizeof(lmcEventLogBuf)))
ret = -EFAULT;
else
ret = 0;
*/
netif_stop_queue(dev);
- if (copy_from_user(&xc, ifr->ifr_data, sizeof(struct lmc_xilinx_control))) {
+ if (copy_from_user(&xc, ifr->ifr_data, sizeof(struct lmc_xilinx_control))) {
ret = -EFAULT;
break;
- }
+ }
switch(xc.command){
case lmc_xilinx_reset: /*fold02*/
{
u16 mii;
+ spin_lock_irqsave(&sc->lmc_lock, flags);
mii = lmc_mii_readreg (sc, 0, 16);
/*
lmc_led_off(sc, LMC_DS3_LED2);
}
}
+ spin_unlock_irqrestore(&sc->lmc_lock, flags);
{
u16 mii;
int timeout = 500000;
+ spin_lock_irqsave(&sc->lmc_lock, flags);
mii = lmc_mii_readreg (sc, 0, 16);
/*
*/
while( (LMC_CSR_READ(sc, csr_gp) & LMC_GEP_INIT) == 0 &&
(timeout-- > 0))
- ;
+ cpu_relax();
/*
* stop driving Xilinx-related signals
*/
lmc_gpio_mkinput(sc, 0xff);
+ spin_unlock_irqrestore(&sc->lmc_lock, flags);
ret = 0x0;
printk("%s: Starting load of data Len: %d at 0x%p == 0x%p\n", dev->name, xc.len, xc.data, data);
+ spin_lock_irqsave(&sc->lmc_lock, flags);
lmc_gpio_mkinput(sc, 0xff);
/*
*/
while( (LMC_CSR_READ(sc, csr_gp) & LMC_GEP_INIT) == 0 &&
(timeout-- > 0))
- ;
+ cpu_relax();
printk(KERN_DEBUG "%s: Waited %d for the Xilinx to clear it's memory\n", dev->name, 500000-timeout);
sc->lmc_miireg16 &= ~LMC_MII16_FIFO_RESET;
lmc_mii_writereg(sc, 0, 16, sc->lmc_miireg16);
+ spin_unlock_irqrestore(&sc->lmc_lock, flags);
kfree(data);
break;
}
- spin_unlock_irqrestore(&sc->lmc_lock, flags); /*fold01*/
-
lmc_trace(dev, "lmc_ioctl out");
return ret;
/* the watchdog process that cruises around */
static void lmc_watchdog (unsigned long data) /*fold00*/
{
- struct net_device *dev = (struct net_device *) data;
- lmc_softc_t *sc;
+ struct net_device *dev = (struct net_device *)data;
+ lmc_softc_t *sc = dev_to_sc(dev);
int link_status;
- u_int32_t ticks;
+ u32 ticks;
unsigned long flags;
- sc = dev->priv;
-
lmc_trace(dev, "lmc_watchdog in");
spin_lock_irqsave(&sc->lmc_lock, flags);
* check for a transmit interrupt timeout
* Has the packet xmt vs xmt serviced threshold been exceeded */
if (sc->lmc_taint_tx == sc->lastlmc_taint_tx &&
- sc->stats.tx_packets > sc->lasttx_packets &&
- sc->tx_TimeoutInd == 0)
+ sc->lmc_device->stats.tx_packets > sc->lasttx_packets &&
+ sc->tx_TimeoutInd == 0)
{
/* wait for the watchdog to come around again */
sc->tx_TimeoutInd = 1;
}
else if (sc->lmc_taint_tx == sc->lastlmc_taint_tx &&
- sc->stats.tx_packets > sc->lasttx_packets &&
- sc->tx_TimeoutInd)
+ sc->lmc_device->stats.tx_packets > sc->lasttx_packets &&
+ sc->tx_TimeoutInd)
{
LMC_EVENT_LOG(LMC_EVENT_XMTINTTMO, LMC_CSR_READ (sc, csr_status), 0);
sc->tx_TimeoutDisplay = 1;
- sc->stats.tx_TimeoutCnt++;
+ sc->extra_stats.tx_TimeoutCnt++;
/* DEC chip is stuck, hit it with a RESET!!!! */
lmc_running_reset (dev);
/* reset the transmit timeout detection flag */
sc->tx_TimeoutInd = 0;
sc->lastlmc_taint_tx = sc->lmc_taint_tx;
- sc->lasttx_packets = sc->stats.tx_packets;
- }
- else
- {
+ sc->lasttx_packets = sc->lmc_device->stats.tx_packets;
+ } else {
sc->tx_TimeoutInd = 0;
sc->lastlmc_taint_tx = sc->lmc_taint_tx;
- sc->lasttx_packets = sc->stats.tx_packets;
+ sc->lasttx_packets = sc->lmc_device->stats.tx_packets;
}
/* --- end time out check ----------------------------------- */
sc->last_link_status = 1;
/* lmc_reset (sc); Again why reset??? */
- /* Inform the world that link protocol is back up. */
netif_carrier_on(dev);
-
- /* Now we have to tell the syncppp that we had an outage
- * and that it should deal. Calling sppp_reopen here
- * should do the trick, but we may have to call sppp_close
- * when the link goes down, and call sppp_open here.
- * Subject to more testing.
- * --bbraun
- */
-
- lmc_proto_reopen(sc);
-
}
/* Call media specific watchdog functions */
}
-static void lmc_setup(struct net_device * const dev) /*fold00*/
+static int lmc_attach(struct net_device *dev, unsigned short encoding,
+ unsigned short parity)
{
- lmc_trace(dev, "lmc_setup in");
-
- dev->type = ARPHRD_HDLC;
- dev->hard_start_xmit = lmc_start_xmit;
- dev->open = lmc_open;
- dev->stop = lmc_close;
- dev->get_stats = lmc_get_stats;
- dev->do_ioctl = lmc_ioctl;
- dev->tx_timeout = lmc_driver_timeout;
- dev->watchdog_timeo = (HZ); /* 1 second */
-
- lmc_trace(dev, "lmc_setup out");
+ if (encoding == ENCODING_NRZ && parity == PARITY_CRC16_PR1_CCITT)
+ return 0;
+ return -EINVAL;
}
-
static int __devinit lmc_init_one(struct pci_dev *pdev,
const struct pci_device_id *ent)
{
- struct net_device *dev;
- lmc_softc_t *sc;
- u16 subdevice;
- u_int16_t AdapModelNum;
- int err = -ENOMEM;
- static int cards_found;
-#ifndef GCOM
- /* We name by type not by vendor */
- static const char lmcname[] = "hdlc%d";
-#else
- /*
- * GCOM uses LMC vendor name so that clients can know which card
- * to attach to.
- */
- static const char lmcname[] = "lmc%d";
-#endif
-
-
- /*
- * Allocate our own device structure
- */
- dev = alloc_netdev(sizeof(lmc_softc_t), lmcname, lmc_setup);
- if (!dev) {
- printk (KERN_ERR "lmc:alloc_netdev for device failed\n");
- goto out1;
- }
-
- lmc_trace(dev, "lmc_init_one in");
-
- err = pci_enable_device(pdev);
- if (err) {
- printk(KERN_ERR "lmc: pci enable failed:%d\n", err);
- goto out2;
- }
-
- if (pci_request_regions(pdev, "lmc")) {
- printk(KERN_ERR "lmc: pci_request_region failed\n");
- err = -EIO;
- goto out3;
- }
-
- pci_set_drvdata(pdev, dev);
-
- if(lmc_first_load == 0){
- printk(KERN_INFO "Lan Media Corporation WAN Driver Version %d.%d.%d\n",
- DRIVER_MAJOR_VERSION, DRIVER_MINOR_VERSION,DRIVER_SUB_VERSION);
- lmc_first_load = 1;
- }
-
- sc = dev->priv;
- sc->lmc_device = dev;
- sc->name = dev->name;
-
- /* Initialize the sppp layer */
- /* An ioctl can cause a subsequent detach for raw frame interface */
- sc->if_type = LMC_PPP;
- sc->check = 0xBEAFCAFE;
- dev->base_addr = pci_resource_start(pdev, 0);
- dev->irq = pdev->irq;
-
- SET_NETDEV_DEV(dev, &pdev->dev);
-
- /*
- * This will get the protocol layer ready and do any 1 time init's
- * Must have a valid sc and dev structure
- */
- lmc_proto_init(sc);
-
- lmc_proto_attach(sc);
+ lmc_softc_t *sc;
+ struct net_device *dev;
+ u16 subdevice;
+ u16 AdapModelNum;
+ int err;
+ static int cards_found;
+
+ /* lmc_trace(dev, "lmc_init_one in"); */
+
+ err = pci_enable_device(pdev);
+ if (err) {
+ printk(KERN_ERR "lmc: pci enable failed: %d\n", err);
+ return err;
+ }
- /*
- * Why were we changing this???
- dev->tx_queue_len = 100;
- */
+ err = pci_request_regions(pdev, "lmc");
+ if (err) {
+ printk(KERN_ERR "lmc: pci_request_region failed\n");
+ goto err_req_io;
+ }
- /* Init the spin lock so can call it latter */
+ /*
+ * Allocate our own device structure
+ */
+ sc = kzalloc(sizeof(lmc_softc_t), GFP_KERNEL);
+ if (!sc) {
+ err = -ENOMEM;
+ goto err_kzalloc;
+ }
- spin_lock_init(&sc->lmc_lock);
- pci_set_master(pdev);
+ dev = alloc_hdlcdev(sc);
+ if (!dev) {
+ printk(KERN_ERR "lmc:alloc_netdev for device failed\n");
+ goto err_hdlcdev;
+ }
- printk ("%s: detected at %lx, irq %d\n", dev->name,
- dev->base_addr, dev->irq);
- if (register_netdev (dev) != 0) {
- printk (KERN_ERR "%s: register_netdev failed.\n", dev->name);
- goto out4;
- }
+ dev->type = ARPHRD_HDLC;
+ dev_to_hdlc(dev)->xmit = lmc_start_xmit;
+ dev_to_hdlc(dev)->attach = lmc_attach;
+ dev->open = lmc_open;
+ dev->stop = lmc_close;
+ dev->get_stats = lmc_get_stats;
+ dev->do_ioctl = lmc_ioctl;
+ dev->tx_timeout = lmc_driver_timeout;
+ dev->watchdog_timeo = HZ; /* 1 second */
+ dev->tx_queue_len = 100;
+ sc->lmc_device = dev;
+ sc->name = dev->name;
+ sc->if_type = LMC_PPP;
+ sc->check = 0xBEAFCAFE;
+ dev->base_addr = pci_resource_start(pdev, 0);
+ dev->irq = pdev->irq;
+ pci_set_drvdata(pdev, dev);
+ SET_NETDEV_DEV(dev, &pdev->dev);
+
+ /*
+ * This will get the protocol layer ready and do any 1 time init's
+ * Must have a valid sc and dev structure
+ */
+ lmc_proto_attach(sc);
+
+ /* Init the spin lock so can call it latter */
+
+ spin_lock_init(&sc->lmc_lock);
+ pci_set_master(pdev);
+
+ printk(KERN_INFO "%s: detected at %lx, irq %d\n", dev->name,
+ dev->base_addr, dev->irq);
+
+ err = register_hdlc_device(dev);
+ if (err) {
+ printk(KERN_ERR "%s: register_netdev failed.\n", dev->name);
+ free_netdev(dev);
+ goto err_hdlcdev;
+ }
sc->lmc_cardtype = LMC_CARDTYPE_UNKNOWN;
sc->lmc_timing = LMC_CTL_CLOCK_SOURCE_EXT;
switch (subdevice) {
case PCI_DEVICE_ID_LMC_HSSI:
- printk ("%s: LMC HSSI\n", dev->name);
+ printk(KERN_INFO "%s: LMC HSSI\n", dev->name);
sc->lmc_cardtype = LMC_CARDTYPE_HSSI;
sc->lmc_media = &lmc_hssi_media;
break;
case PCI_DEVICE_ID_LMC_DS3:
- printk ("%s: LMC DS3\n", dev->name);
+ printk(KERN_INFO "%s: LMC DS3\n", dev->name);
sc->lmc_cardtype = LMC_CARDTYPE_DS3;
sc->lmc_media = &lmc_ds3_media;
break;
case PCI_DEVICE_ID_LMC_SSI:
- printk ("%s: LMC SSI\n", dev->name);
+ printk(KERN_INFO "%s: LMC SSI\n", dev->name);
sc->lmc_cardtype = LMC_CARDTYPE_SSI;
sc->lmc_media = &lmc_ssi_media;
break;
case PCI_DEVICE_ID_LMC_T1:
- printk ("%s: LMC T1\n", dev->name);
+ printk(KERN_INFO "%s: LMC T1\n", dev->name);
sc->lmc_cardtype = LMC_CARDTYPE_T1;
sc->lmc_media = &lmc_t1_media;
break;
default:
- printk (KERN_WARNING "%s: LMC UNKOWN CARD!\n", dev->name);
+ printk(KERN_WARNING "%s: LMC UNKOWN CARD!\n", dev->name);
break;
}
*/
AdapModelNum = (lmc_mii_readreg (sc, 0, 3) & 0x3f0) >> 4;
- if ((AdapModelNum == LMC_ADAP_T1
- && subdevice == PCI_DEVICE_ID_LMC_T1) || /* detect LMC1200 */
- (AdapModelNum == LMC_ADAP_SSI
- && subdevice == PCI_DEVICE_ID_LMC_SSI) || /* detect LMC1000 */
- (AdapModelNum == LMC_ADAP_DS3
- && subdevice == PCI_DEVICE_ID_LMC_DS3) || /* detect LMC5245 */
- (AdapModelNum == LMC_ADAP_HSSI
- && subdevice == PCI_DEVICE_ID_LMC_HSSI))
- { /* detect LMC5200 */
+ if ((AdapModelNum != LMC_ADAP_T1 || /* detect LMC1200 */
+ subdevice != PCI_DEVICE_ID_LMC_T1) &&
+ (AdapModelNum != LMC_ADAP_SSI || /* detect LMC1000 */
+ subdevice != PCI_DEVICE_ID_LMC_SSI) &&
+ (AdapModelNum != LMC_ADAP_DS3 || /* detect LMC5245 */
+ subdevice != PCI_DEVICE_ID_LMC_DS3) &&
+ (AdapModelNum != LMC_ADAP_HSSI || /* detect LMC5200 */
+ subdevice != PCI_DEVICE_ID_LMC_HSSI))
+ printk(KERN_WARNING "%s: Model number (%d) miscompare for PCI"
+ " Subsystem ID = 0x%04x\n",
+ dev->name, AdapModelNum, subdevice);
- }
- else {
- printk ("%s: Model number (%d) miscompare for PCI Subsystem ID = 0x%04x\n",
- dev->name, AdapModelNum, subdevice);
-// return (NULL);
- }
/*
* reset clock
*/
LMC_CSR_WRITE (sc, csr_gp_timer, 0xFFFFFFFFUL);
sc->board_idx = cards_found++;
- sc->stats.check = STATCHECK;
- sc->stats.version_size = (DRIVER_VERSION << 16) +
- sizeof (struct lmc_statistics);
- sc->stats.lmc_cardtype = sc->lmc_cardtype;
+ sc->extra_stats.check = STATCHECK;
+ sc->extra_stats.version_size = (DRIVER_VERSION << 16) +
+ sizeof(sc->lmc_device->stats) + sizeof(sc->extra_stats);
+ sc->extra_stats.lmc_cardtype = sc->lmc_cardtype;
sc->lmc_ok = 0;
sc->last_link_status = 0;
lmc_trace(dev, "lmc_init_one out");
return 0;
- out4:
- lmc_proto_detach(sc);
- out3:
- if (pdev) {
- pci_release_regions(pdev);
- pci_set_drvdata(pdev, NULL);
- }
- out2:
- free_netdev(dev);
- out1:
- return err;
+err_hdlcdev:
+ pci_set_drvdata(pdev, NULL);
+ kfree(sc);
+err_kzalloc:
+ pci_release_regions(pdev);
+err_req_io:
+ pci_disable_device(pdev);
+ return err;
}
/*
* Called from pci when removing module.
*/
-static void __devexit lmc_remove_one (struct pci_dev *pdev)
+static void __devexit lmc_remove_one(struct pci_dev *pdev)
{
- struct net_device *dev = pci_get_drvdata(pdev);
-
- if (dev) {
- lmc_softc_t *sc = dev->priv;
-
- printk("%s: removing...\n", dev->name);
- lmc_proto_detach(sc);
- unregister_netdev(dev);
- free_netdev(dev);
- pci_release_regions(pdev);
- pci_disable_device(pdev);
- pci_set_drvdata(pdev, NULL);
- }
+ struct net_device *dev = pci_get_drvdata(pdev);
+
+ if (dev) {
+ printk(KERN_DEBUG "%s: removing...\n", dev->name);
+ unregister_hdlc_device(dev);
+ free_netdev(dev);
+ pci_release_regions(pdev);
+ pci_disable_device(pdev);
+ pci_set_drvdata(pdev, NULL);
+ }
}
/* After this is called, packets can be sent.
* Does not initialize the addresses
*/
-static int lmc_open (struct net_device *dev) /*fold00*/
+static int lmc_open(struct net_device *dev)
{
- lmc_softc_t *sc = dev->priv;
+ lmc_softc_t *sc = dev_to_sc(dev);
+ int err;
lmc_trace(dev, "lmc_open in");
lmc_led_on(sc, LMC_DS3_LED0);
- lmc_dec_reset (sc);
- lmc_reset (sc);
-
- LMC_EVENT_LOG(LMC_EVENT_RESET1, LMC_CSR_READ (sc, csr_status), 0);
- LMC_EVENT_LOG(LMC_EVENT_RESET2,
- lmc_mii_readreg (sc, 0, 16),
- lmc_mii_readreg (sc, 0, 17));
+ lmc_dec_reset(sc);
+ lmc_reset(sc);
+ LMC_EVENT_LOG(LMC_EVENT_RESET1, LMC_CSR_READ(sc, csr_status), 0);
+ LMC_EVENT_LOG(LMC_EVENT_RESET2, lmc_mii_readreg(sc, 0, 16),
+ lmc_mii_readreg(sc, 0, 17));
if (sc->lmc_ok){
lmc_trace(dev, "lmc_open lmc_ok out");
/* dev->flags |= IFF_UP; */
- lmc_proto_open(sc);
+ if ((err = lmc_proto_open(sc)) != 0)
+ return err;
dev->do_ioctl = lmc_ioctl;
netif_start_queue(dev);
-
- sc->stats.tx_tbusy0++ ;
+ sc->extra_stats.tx_tbusy0++;
/*
* select what interrupts we want to get
static void lmc_running_reset (struct net_device *dev) /*fold00*/
{
-
- lmc_softc_t *sc = (lmc_softc_t *) dev->priv;
+ lmc_softc_t *sc = dev_to_sc(dev);
lmc_trace(dev, "lmc_runnig_reset in");
netif_wake_queue(dev);
sc->lmc_txfull = 0;
- sc->stats.tx_tbusy0++ ;
+ sc->extra_stats.tx_tbusy0++;
sc->lmc_intrmask = TULIP_DEFAULT_INTR_MASK;
LMC_CSR_WRITE (sc, csr_intr, sc->lmc_intrmask);
* This disables the timer for the watchdog and keepalives,
* and disables the irq for dev.
*/
-static int lmc_close (struct net_device *dev) /*fold00*/
+static int lmc_close(struct net_device *dev)
{
/* not calling release_region() as we should */
- lmc_softc_t *sc;
+ lmc_softc_t *sc = dev_to_sc(dev);
lmc_trace(dev, "lmc_close in");
-
- sc = dev->priv;
+
sc->lmc_ok = 0;
sc->lmc_media->set_link_status (sc, 0);
del_timer (&sc->timer);
lmc_ifdown (dev);
lmc_trace(dev, "lmc_close out");
-
+
return 0;
}
/* When the interface goes down, this is called */
static int lmc_ifdown (struct net_device *dev) /*fold00*/
{
- lmc_softc_t *sc = dev->priv;
+ lmc_softc_t *sc = dev_to_sc(dev);
u32 csr6;
int i;
lmc_trace(dev, "lmc_ifdown in");
-
+
/* Don't let anything else go on right now */
// dev->start = 0;
netif_stop_queue(dev);
- sc->stats.tx_tbusy1++ ;
+ sc->extra_stats.tx_tbusy1++;
/* stop interrupts */
/* Clear the interrupt mask */
csr6 &= ~LMC_DEC_SR; /* Turn off the Receive bit */
LMC_CSR_WRITE (sc, csr_command, csr6);
- sc->stats.rx_missed_errors +=
- LMC_CSR_READ (sc, csr_missed_frames) & 0xffff;
+ sc->lmc_device->stats.rx_missed_errors +=
+ LMC_CSR_READ(sc, csr_missed_frames) & 0xffff;
/* release the interrupt */
if(sc->got_irq == 1){
lmc_led_off (sc, LMC_MII16_LED_ALL);
netif_wake_queue(dev);
- sc->stats.tx_tbusy0++ ;
+ sc->extra_stats.tx_tbusy0++;
lmc_trace(dev, "lmc_ifdown out");
static irqreturn_t lmc_interrupt (int irq, void *dev_instance) /*fold00*/
{
struct net_device *dev = (struct net_device *) dev_instance;
- lmc_softc_t *sc;
+ lmc_softc_t *sc = dev_to_sc(dev);
u32 csr;
int i;
s32 stat;
lmc_trace(dev, "lmc_interrupt in");
- sc = dev->priv;
-
spin_lock(&sc->lmc_lock);
/*
int n_compl = 0 ;
/* reset the transmit timeout detection flag -baz */
- sc->stats.tx_NoCompleteCnt = 0;
+ sc->extra_stats.tx_NoCompleteCnt = 0;
badtx = sc->lmc_taint_tx;
i = badtx % LMC_TXDESCS;
if (sc->lmc_txq[i] == NULL)
continue;
- /*
- * Check the total error summary to look for any errors
- */
- if (stat & 0x8000) {
- sc->stats.tx_errors++;
- if (stat & 0x4104)
- sc->stats.tx_aborted_errors++;
- if (stat & 0x0C00)
- sc->stats.tx_carrier_errors++;
- if (stat & 0x0200)
- sc->stats.tx_window_errors++;
- if (stat & 0x0002)
- sc->stats.tx_fifo_errors++;
+ /*
+ * Check the total error summary to look for any errors
+ */
+ if (stat & 0x8000) {
+ sc->lmc_device->stats.tx_errors++;
+ if (stat & 0x4104)
+ sc->lmc_device->stats.tx_aborted_errors++;
+ if (stat & 0x0C00)
+ sc->lmc_device->stats.tx_carrier_errors++;
+ if (stat & 0x0200)
+ sc->lmc_device->stats.tx_window_errors++;
+ if (stat & 0x0002)
+ sc->lmc_device->stats.tx_fifo_errors++;
+ } else {
+ sc->lmc_device->stats.tx_bytes += sc->lmc_txring[i].length & 0x7ff;
+
+ sc->lmc_device->stats.tx_packets++;
}
- else {
-
- sc->stats.tx_bytes += sc->lmc_txring[i].length & 0x7ff;
-
- sc->stats.tx_packets++;
- }
-
+
// dev_kfree_skb(sc->lmc_txq[i]);
dev_kfree_skb_irq(sc->lmc_txq[i]);
sc->lmc_txq[i] = NULL;
LMC_EVENT_LOG(LMC_EVENT_TBUSY0, n_compl, 0);
sc->lmc_txfull = 0;
netif_wake_queue(dev);
- sc->stats.tx_tbusy0++ ;
+ sc->extra_stats.tx_tbusy0++;
#ifdef DEBUG
- sc->stats.dirtyTx = badtx;
- sc->stats.lmc_next_tx = sc->lmc_next_tx;
- sc->stats.lmc_txfull = sc->lmc_txfull;
+ sc->extra_stats.dirtyTx = badtx;
+ sc->extra_stats.lmc_next_tx = sc->lmc_next_tx;
+ sc->extra_stats.lmc_txfull = sc->lmc_txfull;
#endif
sc->lmc_taint_tx = badtx;
return IRQ_RETVAL(handled);
}
-static int lmc_start_xmit (struct sk_buff *skb, struct net_device *dev) /*fold00*/
+static int lmc_start_xmit(struct sk_buff *skb, struct net_device *dev)
{
- lmc_softc_t *sc;
+ lmc_softc_t *sc = dev_to_sc(dev);
u32 flag;
int entry;
int ret = 0;
lmc_trace(dev, "lmc_start_xmit in");
- sc = dev->priv;
-
spin_lock_irqsave(&sc->lmc_lock, flags);
/* normal path, tbusy known to be zero */
if (sc->lmc_next_tx - sc->lmc_taint_tx >= LMC_TXDESCS - 1)
{ /* ring full, go busy */
sc->lmc_txfull = 1;
- netif_stop_queue(dev);
- sc->stats.tx_tbusy1++ ;
+ netif_stop_queue(dev);
+ sc->extra_stats.tx_tbusy1++;
LMC_EVENT_LOG(LMC_EVENT_TBUSY1, entry, 0);
}
#endif
* the watchdog timer handler. -baz
*/
- sc->stats.tx_NoCompleteCnt++;
+ sc->extra_stats.tx_NoCompleteCnt++;
sc->lmc_next_tx++;
/* give ownership to the chip */
}
-static int lmc_rx (struct net_device *dev) /*fold00*/
+static int lmc_rx(struct net_device *dev)
{
- lmc_softc_t *sc;
+ lmc_softc_t *sc = dev_to_sc(dev);
int i;
int rx_work_limit = LMC_RXDESCS;
unsigned int next_rx;
lmc_trace(dev, "lmc_rx in");
- sc = dev->priv;
-
lmc_led_on(sc, LMC_DS3_LED3);
rxIntLoopCnt = 0; /* debug -baz */
rxIntLoopCnt++; /* debug -baz */
len = ((stat & LMC_RDES_FRAME_LENGTH) >> RDES_FRAME_LENGTH_BIT_NUMBER);
if ((stat & 0x0300) != 0x0300) { /* Check first segment and last segment */
- if ((stat & 0x0000ffff) != 0x7fff) {
- /* Oversized frame */
- sc->stats.rx_length_errors++;
- goto skip_packet;
- }
- }
-
- if(stat & 0x00000008){ /* Catch a dribbling bit error */
- sc->stats.rx_errors++;
- sc->stats.rx_frame_errors++;
- goto skip_packet;
- }
+ if ((stat & 0x0000ffff) != 0x7fff) {
+ /* Oversized frame */
+ sc->lmc_device->stats.rx_length_errors++;
+ goto skip_packet;
+ }
+ }
+ if (stat & 0x00000008) { /* Catch a dribbling bit error */
+ sc->lmc_device->stats.rx_errors++;
+ sc->lmc_device->stats.rx_frame_errors++;
+ goto skip_packet;
+ }
- if(stat & 0x00000004){ /* Catch a CRC error by the Xilinx */
- sc->stats.rx_errors++;
- sc->stats.rx_crc_errors++;
- goto skip_packet;
- }
+ if (stat & 0x00000004) { /* Catch a CRC error by the Xilinx */
+ sc->lmc_device->stats.rx_errors++;
+ sc->lmc_device->stats.rx_crc_errors++;
+ goto skip_packet;
+ }
- if (len > LMC_PKT_BUF_SZ){
- sc->stats.rx_length_errors++;
- localLengthErrCnt++;
- goto skip_packet;
- }
+ if (len > LMC_PKT_BUF_SZ) {
+ sc->lmc_device->stats.rx_length_errors++;
+ localLengthErrCnt++;
+ goto skip_packet;
+ }
- if (len < sc->lmc_crcSize + 2) {
- sc->stats.rx_length_errors++;
- sc->stats.rx_SmallPktCnt++;
- localLengthErrCnt++;
- goto skip_packet;
- }
+ if (len < sc->lmc_crcSize + 2) {
+ sc->lmc_device->stats.rx_length_errors++;
+ sc->extra_stats.rx_SmallPktCnt++;
+ localLengthErrCnt++;
+ goto skip_packet;
+ }
if(stat & 0x00004000){
printk(KERN_WARNING "%s: Receiver descriptor error, receiver out of sync?\n", dev->name);
}
dev->last_rx = jiffies;
- sc->stats.rx_packets++;
- sc->stats.rx_bytes += len;
+ sc->lmc_device->stats.rx_packets++;
+ sc->lmc_device->stats.rx_bytes += len;
LMC_CONSOLE_LOG("recv", skb->data, len);
skb_put (skb, len);
skb->protocol = lmc_proto_type(sc, skb);
- skb->protocol = htons(ETH_P_WAN_PPP);
skb_reset_mac_header(skb);
/* skb_reset_network_header(skb); */
skb->dev = dev;
* in which care we'll try to allocate the buffer
* again. (once a second)
*/
- sc->stats.rx_BuffAllocErr++;
+ sc->extra_stats.rx_BuffAllocErr++;
LMC_EVENT_LOG(LMC_EVENT_RCVINT, stat, len);
sc->failed_recv_alloc = 1;
goto skip_out_of_mem;
* descriptors with bogus packets
*
if (localLengthErrCnt > LMC_RXDESCS - 3) {
- sc->stats.rx_BadPktSurgeCnt++;
- LMC_EVENT_LOG(LMC_EVENT_BADPKTSURGE,
- localLengthErrCnt,
- sc->stats.rx_BadPktSurgeCnt);
+ sc->extra_stats.rx_BadPktSurgeCnt++;
+ LMC_EVENT_LOG(LMC_EVENT_BADPKTSURGE, localLengthErrCnt,
+ sc->extra_stats.rx_BadPktSurgeCnt);
} */
/* save max count of receive descriptors serviced */
- if (rxIntLoopCnt > sc->stats.rxIntLoopCnt) {
- sc->stats.rxIntLoopCnt = rxIntLoopCnt; /* debug -baz */
- }
+ if (rxIntLoopCnt > sc->extra_stats.rxIntLoopCnt)
+ sc->extra_stats.rxIntLoopCnt = rxIntLoopCnt; /* debug -baz */
#ifdef DEBUG
if (rxIntLoopCnt == 0)
return 0;
}
-static struct net_device_stats *lmc_get_stats (struct net_device *dev) /*fold00*/
+static struct net_device_stats *lmc_get_stats(struct net_device *dev)
{
- lmc_softc_t *sc = dev->priv;
+ lmc_softc_t *sc = dev_to_sc(dev);
unsigned long flags;
lmc_trace(dev, "lmc_get_stats in");
-
spin_lock_irqsave(&sc->lmc_lock, flags);
- sc->stats.rx_missed_errors += LMC_CSR_READ (sc, csr_missed_frames) & 0xffff;
+ sc->lmc_device->stats.rx_missed_errors += LMC_CSR_READ(sc, csr_missed_frames) & 0xffff;
spin_unlock_irqrestore(&sc->lmc_lock, flags);
lmc_trace(dev, "lmc_get_stats out");
- return (struct net_device_stats *) &sc->stats;
+ return &sc->lmc_device->stats;
}
static struct pci_driver lmc_driver = {
{
if (sc->lmc_txq[i] != NULL){ /* have buffer */
dev_kfree_skb(sc->lmc_txq[i]); /* free it */
- sc->stats.tx_dropped++; /* We just dropped a packet */
+ sc->lmc_device->stats.tx_dropped++; /* We just dropped a packet */
}
sc->lmc_txq[i] = NULL;
sc->lmc_txring[i].status = 0x00000000;
lmc_trace(sc->lmc_device, "lmc_softreset out");
}
-void lmc_gpio_mkinput(lmc_softc_t * const sc, u_int32_t bits) /*fold00*/
+void lmc_gpio_mkinput(lmc_softc_t * const sc, u32 bits) /*fold00*/
{
lmc_trace(sc->lmc_device, "lmc_gpio_mkinput in");
sc->lmc_gpio_io &= ~bits;
lmc_trace(sc->lmc_device, "lmc_gpio_mkinput out");
}
-void lmc_gpio_mkoutput(lmc_softc_t * const sc, u_int32_t bits) /*fold00*/
+void lmc_gpio_mkoutput(lmc_softc_t * const sc, u32 bits) /*fold00*/
{
lmc_trace(sc->lmc_device, "lmc_gpio_mkoutput in");
sc->lmc_gpio_io |= bits;
lmc_trace(sc->lmc_device, "lmc_gpio_mkoutput out");
}
-void lmc_led_on(lmc_softc_t * const sc, u_int32_t led) /*fold00*/
+void lmc_led_on(lmc_softc_t * const sc, u32 led) /*fold00*/
{
lmc_trace(sc->lmc_device, "lmc_led_on in");
if((~sc->lmc_miireg16) & led){ /* Already on! */
lmc_trace(sc->lmc_device, "lmc_led_on out");
}
-void lmc_led_off(lmc_softc_t * const sc, u_int32_t led) /*fold00*/
+void lmc_led_off(lmc_softc_t * const sc, u32 led) /*fold00*/
{
lmc_trace(sc->lmc_device, "lmc_led_off in");
if(sc->lmc_miireg16 & led){ /* Already set don't do anything */
*/
sc->lmc_media->init(sc);
- sc->stats.resetCount++;
+ sc->extra_stats.resetCount++;
lmc_trace(sc->lmc_device, "lmc_reset out");
}
static void lmc_dec_reset(lmc_softc_t * const sc) /*fold00*/
{
- u_int32_t val;
+ u32 val;
lmc_trace(sc->lmc_device, "lmc_dec_reset in");
/*
lmc_trace(sc->lmc_device, "lmc_initcsrs out");
}
-static void lmc_driver_timeout(struct net_device *dev) { /*fold00*/
- lmc_softc_t *sc;
+static void lmc_driver_timeout(struct net_device *dev)
+{
+ lmc_softc_t *sc = dev_to_sc(dev);
u32 csr6;
unsigned long flags;
lmc_trace(dev, "lmc_driver_timeout in");
- sc = dev->priv;
-
spin_lock_irqsave(&sc->lmc_lock, flags);
printk("%s: Xmitter busy|\n", dev->name);
- sc->stats.tx_tbusy_calls++ ;
- if (jiffies - dev->trans_start < TX_TIMEOUT) {
- goto bug_out;
- }
+ sc->extra_stats.tx_tbusy_calls++;
+ if (jiffies - dev->trans_start < TX_TIMEOUT)
+ goto bug_out;
/*
* Chip seems to have locked up
LMC_EVENT_LOG(LMC_EVENT_XMTPRCTMO,
LMC_CSR_READ (sc, csr_status),
- sc->stats.tx_ProcTimeout);
+ sc->extra_stats.tx_ProcTimeout);
lmc_running_reset (dev);
/* immediate transmit */
LMC_CSR_WRITE (sc, csr_txpoll, 0);
- sc->stats.tx_errors++;
- sc->stats.tx_ProcTimeout++; /* -baz */
+ sc->lmc_device->stats.tx_errors++;
+ sc->extra_stats.tx_ProcTimeout++; /* -baz */
dev->trans_start = jiffies;
projects / linux-2.6-omap-h63xx.git / blobdiff