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SubjectWAN: Port LMC driver to generic HDLC
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Date
For review only, the actual patch will be made available in git.

WAN: Port LMC driver to generic HDLC

diff --git a/drivers/net/wan/Kconfig b/drivers/net/wan/Kconfig
index 9624d0f..34a9782 100644
--- a/drivers/net/wan/Kconfig
+++ b/drivers/net/wan/Kconfig
@@ -61,7 +61,7 @@ config COSA
#
config LANMEDIA
tristate "LanMedia Corp. SSI/V.35, T1/E1, HSSI, T3 boards"
- depends on PCI && VIRT_TO_BUS
+ depends on PCI && VIRT_TO_BUS && HDLC
---help---
Driver for the following Lan Media family of serial boards:

@@ -78,9 +78,8 @@ config LANMEDIA
- LMC 5245 board connects directly to a T3 circuit saving the
additional external hardware.

- To change setting such as syncPPP vs Cisco HDLC or clock source you
- will need lmcctl. It is available at <ftp://ftp.lanmedia.com/>
- (broken link).
+ To change setting such as clock source you will need lmcctl.
+ It is available at <ftp://ftp.lanmedia.com/> (broken link).

To compile this driver as a module, choose M here: the
module will be called lmc.
diff --git a/drivers/net/wan/Makefile b/drivers/net/wan/Makefile
index 5d27a17..1025496 100644
--- a/drivers/net/wan/Makefile
+++ b/drivers/net/wan/Makefile
@@ -26,7 +26,6 @@ obj-$(CONFIG_SEALEVEL_4021) += z85230.o sealevel.o
obj-$(CONFIG_COSA) += cosa.o
obj-$(CONFIG_FARSYNC) += farsync.o
obj-$(CONFIG_DSCC4) += dscc4.o
-obj-$(CONFIG_LANMEDIA) += syncppp.o
obj-$(CONFIG_X25_ASY) += x25_asy.o

obj-$(CONFIG_LANMEDIA) += lmc/
diff --git a/drivers/net/wan/lmc/lmc_ioctl.h b/drivers/net/wan/lmc/lmc_ioctl.h
index 57dd861..72fb113 100644
--- a/drivers/net/wan/lmc/lmc_ioctl.h
+++ b/drivers/net/wan/lmc/lmc_ioctl.h
@@ -61,7 +61,7 @@
/*
* IFTYPE defines
*/
-#define LMC_PPP 1 /* use sppp interface */
+#define LMC_PPP 1 /* use generic HDLC interface */
#define LMC_NET 2 /* use direct net interface */
#define LMC_RAW 3 /* use direct net interface */

diff --git a/drivers/net/wan/lmc/lmc_main.c b/drivers/net/wan/lmc/lmc_main.c
index 62133ce..f64f4ca 100644
--- a/drivers/net/wan/lmc/lmc_main.c
+++ b/drivers/net/wan/lmc/lmc_main.c
@@ -1,6 +1,7 @@
/*
* 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)
@@ -36,8 +37,6 @@
*
*/

-/* $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>
@@ -49,6 +48,7 @@
#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>
@@ -57,9 +57,6 @@
#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>
@@ -78,8 +75,6 @@
#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[] = {
@@ -91,11 +86,10 @@ 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);
static int lmc_close(struct net_device *dev);
@@ -114,20 +108,14 @@ static void lmc_driver_timeout(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");

/*
@@ -149,7 +137,6 @@ int lmc_ioctl (struct net_device *dev, struct ifreq *ifr, int cmd) /*fold00*/
break;

case LMCIOCSINFO: /*fold01*/
- sp = &((struct ppp_device *) dev)->sppp;
if (!capable(CAP_NET_ADMIN)) {
ret = -EPERM;
break;
@@ -175,25 +162,20 @@ int lmc_ioctl (struct net_device *dev, struct ifreq *ifr, int cmd) /*fold00*/
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 */
-
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;
}
@@ -206,15 +188,11 @@ int lmc_ioctl (struct net_device *dev, struct ifreq *ifr, int cmd) /*fold00*/
}

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);
+ break;
}

case LMCIOCGETXINFO: /*fold01*/
@@ -241,51 +219,53 @@ int lmc_ioctl (struct net_device *dev, struct ifreq *ifr, int cmd) /*fold00*/

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:
+ 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;
+ }
+ 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;
+ 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;
+ ret = 0;
+ break;

case LMCIOCSETCIRCUIT: /*fold01*/
if (!capable(CAP_NET_ADMIN)){
@@ -641,14 +621,12 @@ int lmc_ioctl (struct net_device *dev, struct ifreq *ifr, int cmd) /*fold00*/
/* 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;
unsigned long flags;

- sc = dev->priv;
-
lmc_trace(dev, "lmc_watchdog in");

spin_lock_irqsave(&sc->lmc_lock, flags);
@@ -677,22 +655,22 @@ static void lmc_watchdog (unsigned long data) /*fold00*/
* 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);
@@ -712,13 +690,11 @@ static void lmc_watchdog (unsigned long data) /*fold00*/
/* 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 ----------------------------------- */
@@ -748,19 +724,7 @@ static void lmc_watchdog (unsigned long data) /*fold00*/
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 */
@@ -816,114 +780,93 @@ kick_timer:

}

-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 */
- dev->ml_priv = sc;
- 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;
@@ -939,27 +882,27 @@ static int __devinit lmc_init_one(struct pci_dev *pdev,

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;
}

@@ -977,32 +920,28 @@ static int __devinit lmc_init_one(struct pci_dev *pdev,
*/
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;
@@ -1010,58 +949,51 @@ static int __devinit lmc_init_one(struct pci_dev *pdev,
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");
@@ -1106,14 +1038,14 @@ static int lmc_open (struct net_device *dev) /*fold00*/

/* 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
@@ -1165,8 +1097,7 @@ static int lmc_open (struct net_device *dev) /*fold00*/

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");

@@ -1184,7 +1115,7 @@ static void lmc_running_reset (struct net_device *dev) /*fold00*/
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);
@@ -1200,14 +1131,13 @@ static void lmc_running_reset (struct net_device *dev) /*fold00*/
* 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);
@@ -1215,7 +1145,7 @@ static int lmc_close (struct net_device *dev) /*fold00*/
lmc_ifdown (dev);

lmc_trace(dev, "lmc_close out");
-
+
return 0;
}

@@ -1223,16 +1153,16 @@ static int lmc_close (struct net_device *dev) /*fold00*/
/* 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 */
@@ -1244,8 +1174,8 @@ static int lmc_ifdown (struct net_device *dev) /*fold00*/
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){
@@ -1276,7 +1206,7 @@ static int lmc_ifdown (struct net_device *dev) /*fold00*/
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");

@@ -1289,7 +1219,7 @@ static int lmc_ifdown (struct net_device *dev) /*fold00*/
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;
@@ -1300,8 +1230,6 @@ static irqreturn_t lmc_interrupt (int irq, void *dev_instance) /*fold00*/

lmc_trace(dev, "lmc_interrupt in");

- sc = dev->priv;
-
spin_lock(&sc->lmc_lock);

/*
@@ -1354,7 +1282,7 @@ static irqreturn_t lmc_interrupt (int irq, void *dev_instance) /*fold00*/

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;
@@ -1378,27 +1306,25 @@ static irqreturn_t lmc_interrupt (int irq, void *dev_instance) /*fold00*/
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++;
- }
- else {
-
- sc->stats.tx_bytes += sc->lmc_txring[i].length & 0x7ff;
-
- sc->stats.tx_packets++;
+ /*
+ * 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++;
}
-
+
// dev_kfree_skb(sc->lmc_txq[i]);
dev_kfree_skb_irq(sc->lmc_txq[i]);
sc->lmc_txq[i] = NULL;
@@ -1415,13 +1341,13 @@ static irqreturn_t lmc_interrupt (int irq, void *dev_instance) /*fold00*/
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;

@@ -1476,9 +1402,9 @@ lmc_int_fail_out:
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;
@@ -1486,8 +1412,6 @@ static int lmc_start_xmit (struct sk_buff *skb, struct net_device *dev) /*fold00

lmc_trace(dev, "lmc_start_xmit in");

- sc = dev->priv;
-
spin_lock_irqsave(&sc->lmc_lock, flags);

/* normal path, tbusy known to be zero */
@@ -1532,8 +1456,8 @@ static int lmc_start_xmit (struct sk_buff *skb, struct net_device *dev) /*fold00
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
@@ -1550,7 +1474,7 @@ static int lmc_start_xmit (struct sk_buff *skb, struct net_device *dev) /*fold00
* the watchdog timer handler. -baz
*/

- sc->stats.tx_NoCompleteCnt++;
+ sc->extra_stats.tx_NoCompleteCnt++;
sc->lmc_next_tx++;

/* give ownership to the chip */
@@ -1569,9 +1493,9 @@ static int lmc_start_xmit (struct sk_buff *skb, struct net_device *dev) /*fold00
}


-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;
@@ -1583,8 +1507,6 @@ static int lmc_rx (struct net_device *dev) /*fold00*/

lmc_trace(dev, "lmc_rx in");

- sc = dev->priv;
-
lmc_led_on(sc, LMC_DS3_LED3);

rxIntLoopCnt = 0; /* debug -baz */
@@ -1597,39 +1519,38 @@ static int lmc_rx (struct net_device *dev) /*fold00*/
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);
@@ -1656,8 +1577,8 @@ static int lmc_rx (struct net_device *dev) /*fold00*/
}

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);

@@ -1679,7 +1600,6 @@ static int lmc_rx (struct net_device *dev) /*fold00*/

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;
@@ -1704,7 +1624,7 @@ static int lmc_rx (struct net_device *dev) /*fold00*/
* 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;
@@ -1739,16 +1659,14 @@ static int lmc_rx (struct net_device *dev) /*fold00*/
* 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)
@@ -1775,23 +1693,22 @@ skip_out_of_mem:
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 = {
@@ -1970,7 +1887,7 @@ static void lmc_softreset (lmc_softc_t * const sc) /*fold00*/
{
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;
@@ -2061,7 +1978,7 @@ static void lmc_reset(lmc_softc_t * const sc) /*fold00*/
*/
sc->lmc_media->init(sc);

- sc->stats.resetCount++;
+ sc->extra_stats.resetCount++;
lmc_trace(sc->lmc_device, "lmc_reset out");
}

@@ -2151,23 +2068,21 @@ static void lmc_initcsrs(lmc_softc_t * const sc, lmc_csrptr_t csr_base, /*fold00
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
@@ -2178,7 +2093,7 @@ static void lmc_driver_timeout(struct net_device *dev) { /*fold00*/

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);

@@ -2195,8 +2110,8 @@ static void lmc_driver_timeout(struct net_device *dev) { /*fold00*/
/* 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;

diff --git a/drivers/net/wan/lmc/lmc_media.c b/drivers/net/wan/lmc/lmc_media.c
index 1cc5834..2e0711a 100644
--- a/drivers/net/wan/lmc/lmc_media.c
+++ b/drivers/net/wan/lmc/lmc_media.c
@@ -425,7 +425,7 @@ lmc_ds3_set_scram (lmc_softc_t * const sc, int ie)
static int
lmc_ds3_get_link_status (lmc_softc_t * const sc)
{
- u_int16_t link_status, link_status_11;
+ u16 link_status, link_status_11;
int ret = 1;

lmc_mii_writereg (sc, 0, 17, 7);
@@ -447,7 +447,7 @@ lmc_ds3_get_link_status (lmc_softc_t * const sc)
(link_status & LMC_FRAMER_REG0_OOFS)){
ret = 0;
if(sc->last_led_err[3] != 1){
- u16 r1;
+ u16 r1;
lmc_mii_writereg (sc, 0, 17, 01); /* Turn on Xbit error as our cisco does */
r1 = lmc_mii_readreg (sc, 0, 18);
r1 &= 0xfe;
@@ -460,7 +460,7 @@ lmc_ds3_get_link_status (lmc_softc_t * const sc)
else {
lmc_led_off(sc, LMC_DS3_LED3); /* turn on red LED */
if(sc->last_led_err[3] == 1){
- u16 r1;
+ u16 r1;
lmc_mii_writereg (sc, 0, 17, 01); /* Turn off Xbit error */
r1 = lmc_mii_readreg (sc, 0, 18);
r1 |= 0x01;
@@ -538,20 +538,19 @@ lmc_ds3_watchdog (lmc_softc_t * const sc)
* SSI methods
*/

-static void
-lmc_ssi_init (lmc_softc_t * const sc)
+static void lmc_ssi_init(lmc_softc_t * const sc)
{
- u_int16_t mii17;
- int cable;
+ u16 mii17;
+ int cable;

- sc->ictl.cardtype = LMC_CTL_CARDTYPE_LMC1000;
+ sc->ictl.cardtype = LMC_CTL_CARDTYPE_LMC1000;

- mii17 = lmc_mii_readreg (sc, 0, 17);
+ mii17 = lmc_mii_readreg(sc, 0, 17);

- cable = (mii17 & LMC_MII17_SSI_CABLE_MASK) >> LMC_MII17_SSI_CABLE_SHIFT;
- sc->ictl.cable_type = cable;
+ cable = (mii17 & LMC_MII17_SSI_CABLE_MASK) >> LMC_MII17_SSI_CABLE_SHIFT;
+ sc->ictl.cable_type = cable;

- lmc_gpio_mkoutput (sc, LMC_GEP_SSI_TXCLOCK);
+ lmc_gpio_mkoutput(sc, LMC_GEP_SSI_TXCLOCK);
}

static void
@@ -679,11 +678,11 @@ lmc_ssi_set_speed (lmc_softc_t * const sc, lmc_ctl_t * ctl)
static int
lmc_ssi_get_link_status (lmc_softc_t * const sc)
{
- u_int16_t link_status;
+ u16 link_status;
u_int32_t ticks;
int ret = 1;
int hw_hdsk = 1;
-
+
/*
* missing CTS? Hmm. If we require CTS on, we may never get the
* link to come up, so omit it in this test.
@@ -718,9 +717,9 @@ lmc_ssi_get_link_status (lmc_softc_t * const sc)
}
else if (ticks == 0 ) { /* no clock found ? */
ret = 0;
- if(sc->last_led_err[3] != 1){
- sc->stats.tx_lossOfClockCnt++;
- printk(KERN_WARNING "%s: Lost Clock, Link Down\n", sc->name);
+ if (sc->last_led_err[3] != 1) {
+ sc->extra_stats.tx_lossOfClockCnt++;
+ printk(KERN_WARNING "%s: Lost Clock, Link Down\n", sc->name);
}
sc->last_led_err[3] = 1;
lmc_led_on (sc, LMC_MII16_LED3); /* turn ON red LED */
@@ -885,19 +884,13 @@ write_av9110 (lmc_softc_t * sc, u_int32_t n, u_int32_t m, u_int32_t v,
| LMC_GEP_SSI_GENERATOR));
}

-static void
-lmc_ssi_watchdog (lmc_softc_t * const sc)
+static void lmc_ssi_watchdog(lmc_softc_t * const sc)
{
- u_int16_t mii17 = lmc_mii_readreg (sc, 0, 17);
- if (((mii17 >> 3) & 7) == 7)
- {
- lmc_led_off (sc, LMC_MII16_LED2);
- }
- else
- {
- lmc_led_on (sc, LMC_MII16_LED2);
- }
-
+ u16 mii17 = lmc_mii_readreg(sc, 0, 17);
+ if (((mii17 >> 3) & 7) == 7)
+ lmc_led_off(sc, LMC_MII16_LED2);
+ else
+ lmc_led_on(sc, LMC_MII16_LED2);
}

/*
@@ -927,7 +920,7 @@ lmc_t1_read (lmc_softc_t * const sc, int a)
static void
lmc_t1_init (lmc_softc_t * const sc)
{
- u_int16_t mii16;
+ u16 mii16;
int i;

sc->ictl.cardtype = LMC_CTL_CARDTYPE_LMC1200;
@@ -1026,7 +1019,7 @@ lmc_t1_set_status (lmc_softc_t * const sc, lmc_ctl_t * ctl)
*/ static int
lmc_t1_get_link_status (lmc_softc_t * const sc)
{
- u_int16_t link_status;
+ u16 link_status;
int ret = 1;

/* LMC5245 (DS3) & LMC1200 (DS1) LED definitions
diff --git a/drivers/net/wan/lmc/lmc_proto.c b/drivers/net/wan/lmc/lmc_proto.c
index 8531575..be9877f 100644
--- a/drivers/net/wan/lmc/lmc_proto.c
+++ b/drivers/net/wan/lmc/lmc_proto.c
@@ -36,9 +36,6 @@
#include <linux/workqueue.h>
#include <linux/proc_fs.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>
@@ -50,48 +47,6 @@
#include "lmc_ioctl.h"
#include "lmc_proto.h"

-/*
- * The compile-time variable SPPPSTUP causes the module to be
- * compiled without referencing any of the sync ppp routines.
- */
-#ifdef SPPPSTUB
-#define SPPP_detach(d) (void)0
-#define SPPP_open(d) 0
-#define SPPP_reopen(d) (void)0
-#define SPPP_close(d) (void)0
-#define SPPP_attach(d) (void)0
-#define SPPP_do_ioctl(d,i,c) -EOPNOTSUPP
-#else
-#define SPPP_attach(x) sppp_attach((x)->pd)
-#define SPPP_detach(x) sppp_detach((x)->pd->dev)
-#define SPPP_open(x) sppp_open((x)->pd->dev)
-#define SPPP_reopen(x) sppp_reopen((x)->pd->dev)
-#define SPPP_close(x) sppp_close((x)->pd->dev)
-#define SPPP_do_ioctl(x, y, z) sppp_do_ioctl((x)->pd->dev, (y), (z))
-#endif
-
-// init
-void lmc_proto_init(lmc_softc_t *sc) /*FOLD00*/
-{
- lmc_trace(sc->lmc_device, "lmc_proto_init in");
- switch(sc->if_type){
- case LMC_PPP:
- sc->pd = kmalloc(sizeof(struct ppp_device), GFP_KERNEL);
- if (!sc->pd) {
- printk("lmc_proto_init(): kmalloc failure!\n");
- return;
- }
- sc->pd->dev = sc->lmc_device;
- sc->if_ptr = sc->pd;
- break;
- case LMC_RAW:
- break;
- default:
- break;
- }
- lmc_trace(sc->lmc_device, "lmc_proto_init out");
-}
-
// attach
void lmc_proto_attach(lmc_softc_t *sc) /*FOLD00*/
{
@@ -100,7 +55,6 @@ void lmc_proto_attach(lmc_softc_t *sc) /*FOLD00*/
case LMC_PPP:
{
struct net_device *dev = sc->lmc_device;
- SPPP_attach(sc);
dev->do_ioctl = lmc_ioctl;
}
break;
@@ -108,7 +62,7 @@ void lmc_proto_attach(lmc_softc_t *sc) /*FOLD00*/
{
struct net_device *dev = sc->lmc_device;
/*
- * They set a few basics because they don't use sync_ppp
+ * They set a few basics because they don't use HDLC
*/
dev->flags |= IFF_POINTOPOINT;

@@ -124,88 +78,39 @@ void lmc_proto_attach(lmc_softc_t *sc) /*FOLD00*/
lmc_trace(sc->lmc_device, "lmc_proto_attach out");
}

-// detach
-void lmc_proto_detach(lmc_softc_t *sc) /*FOLD00*/
+int lmc_proto_ioctl(lmc_softc_t *sc, struct ifreq *ifr, int cmd)
{
- switch(sc->if_type){
- case LMC_PPP:
- SPPP_detach(sc);
- break;
- case LMC_RAW: /* Tell someone we're detaching? */
- break;
- default:
- break;
- }
-
+ lmc_trace(sc->lmc_device, "lmc_proto_ioctl");
+ if (sc->if_type == LMC_PPP)
+ return hdlc_ioctl(sc->lmc_device, ifr, cmd);
+ return -EOPNOTSUPP;
}

-// reopen
-void lmc_proto_reopen(lmc_softc_t *sc) /*FOLD00*/
+int lmc_proto_open(lmc_softc_t *sc)
{
- lmc_trace(sc->lmc_device, "lmc_proto_reopen in");
- switch(sc->if_type){
- case LMC_PPP:
- SPPP_reopen(sc);
- break;
- case LMC_RAW: /* Reset the interface after being down, prerape to receive packets again */
- break;
- default:
- break;
- }
- lmc_trace(sc->lmc_device, "lmc_proto_reopen out");
-}
+ int ret = 0;

+ lmc_trace(sc->lmc_device, "lmc_proto_open in");

-// ioctl
-int lmc_proto_ioctl(lmc_softc_t *sc, struct ifreq *ifr, int cmd) /*FOLD00*/
-{
- lmc_trace(sc->lmc_device, "lmc_proto_ioctl out");
- switch(sc->if_type){
- case LMC_PPP:
- return SPPP_do_ioctl (sc, ifr, cmd);
- break;
- default:
- return -EOPNOTSUPP;
- break;
- }
- lmc_trace(sc->lmc_device, "lmc_proto_ioctl out");
+ if (sc->if_type == LMC_PPP) {
+ ret = hdlc_open(sc->lmc_device);
+ if (ret < 0)
+ printk(KERN_WARNING "%s: HDLC open failed: %d\n",
+ sc->name, ret);
+ }
+
+ lmc_trace(sc->lmc_device, "lmc_proto_open out");
+ return ret;
}

-// open
-void lmc_proto_open(lmc_softc_t *sc) /*FOLD00*/
+void lmc_proto_close(lmc_softc_t *sc)
{
- int ret;
+ lmc_trace(sc->lmc_device, "lmc_proto_close in");

- lmc_trace(sc->lmc_device, "lmc_proto_open in");
- switch(sc->if_type){
- case LMC_PPP:
- ret = SPPP_open(sc);
- if(ret < 0)
- printk("%s: syncPPP open failed: %d\n", sc->name, ret);
- break;
- case LMC_RAW: /* We're about to start getting packets! */
- break;
- default:
- break;
- }
- lmc_trace(sc->lmc_device, "lmc_proto_open out");
-}
-
-// close
+ if (sc->if_type == LMC_PPP)
+ hdlc_close(sc->lmc_device);

-void lmc_proto_close(lmc_softc_t *sc) /*FOLD00*/
-{
- lmc_trace(sc->lmc_device, "lmc_proto_close in");
- switch(sc->if_type){
- case LMC_PPP:
- SPPP_close(sc);
- break;
- case LMC_RAW: /* Interface going down */
- break;
- default:
- break;
- }
- lmc_trace(sc->lmc_device, "lmc_proto_close out");
+ lmc_trace(sc->lmc_device, "lmc_proto_close out");
}

__be16 lmc_proto_type(lmc_softc_t *sc, struct sk_buff *skb) /*FOLD00*/
@@ -213,8 +118,8 @@ __be16 lmc_proto_type(lmc_softc_t *sc, struct sk_buff *skb) /*FOLD00*/
lmc_trace(sc->lmc_device, "lmc_proto_type in");
switch(sc->if_type){
case LMC_PPP:
- return htons(ETH_P_WAN_PPP);
- break;
+ return hdlc_type_trans(skb, sc->lmc_device);
+ break;
case LMC_NET:
return htons(ETH_P_802_2);
break;
@@ -245,4 +150,3 @@ void lmc_proto_netif(lmc_softc_t *sc, struct sk_buff *skb) /*FOLD00*/
}
lmc_trace(sc->lmc_device, "lmc_proto_netif out");
}
-
diff --git a/drivers/net/wan/lmc/lmc_proto.h b/drivers/net/wan/lmc/lmc_proto.h
index ccaa69e..662148c 100644
--- a/drivers/net/wan/lmc/lmc_proto.h
+++ b/drivers/net/wan/lmc/lmc_proto.h
@@ -1,16 +1,18 @@
#ifndef _LMC_PROTO_H_
#define _LMC_PROTO_H_

-void lmc_proto_init(lmc_softc_t *sc);
+#include <linux/hdlc.h>
+
void lmc_proto_attach(lmc_softc_t *sc);
-void lmc_proto_detach(lmc_softc_t *sc);
-void lmc_proto_reopen(lmc_softc_t *sc);
int lmc_proto_ioctl(lmc_softc_t *sc, struct ifreq *ifr, int cmd);
-void lmc_proto_open(lmc_softc_t *sc);
+int lmc_proto_open(lmc_softc_t *sc);
void lmc_proto_close(lmc_softc_t *sc);
__be16 lmc_proto_type(lmc_softc_t *sc, struct sk_buff *skb);
void lmc_proto_netif(lmc_softc_t *sc, struct sk_buff *skb);
-int lmc_skb_rawpackets(char *buf, char **start, off_t offset, int len, int unused);

-#endif
+static inline lmc_softc_t* dev_to_sc(struct net_device *dev)
+{
+ return (lmc_softc_t *)dev_to_hdlc(dev)->priv;
+}

+#endif
diff --git a/drivers/net/wan/lmc/lmc_var.h b/drivers/net/wan/lmc/lmc_var.h
index 6d003a3..52e0442 100644
--- a/drivers/net/wan/lmc/lmc_var.h
+++ b/drivers/net/wan/lmc/lmc_var.h
@@ -1,8 +1,6 @@
#ifndef _LMC_VAR_H_
#define _LMC_VAR_H_

-/* $Id: lmc_var.h,v 1.17 2000/04/06 12:16:47 asj Exp $ */
-
/*
* Copyright (c) 1997-2000 LAN Media Corporation (LMC)
* All rights reserved. www.lanmedia.com
@@ -19,23 +17,6 @@

#include <linux/timer.h>

-#ifndef __KERNEL__
-typedef signed char s8;
-typedef unsigned char u8;
-
-typedef signed short s16;
-typedef unsigned short u16;
-
-typedef signed int s32;
-typedef unsigned int u32;
-
-typedef signed long long s64;
-typedef unsigned long long u64;
-
-#define BITS_PER_LONG 32
-
-#endif
-
/*
* basic definitions used in lmc include files
*/
@@ -45,9 +26,6 @@ typedef struct lmc___media lmc_media_t;
typedef struct lmc___ctl lmc_ctl_t;

#define lmc_csrptr_t unsigned long
-#define u_int16_t u16
-#define u_int8_t u8
-#define tulip_uint32_t u32

#define LMC_REG_RANGE 0x80

@@ -244,46 +222,8 @@ struct lmc___media {

#define STATCHECK 0xBEEFCAFE

-/* Included in this structure are first
- * - standard net_device_stats
- * - some other counters used for debug and driver performance
- * evaluation -baz
- */
-struct lmc_statistics
+struct lmc_extra_statistics
{
- unsigned long rx_packets; /* total packets received */
- unsigned long tx_packets; /* total packets transmitted */
- unsigned long rx_bytes;
- unsigned long tx_bytes;
-
- unsigned long rx_errors; /* bad packets received */
- unsigned long tx_errors; /* packet transmit problems */
- unsigned long rx_dropped; /* no space in linux buffers */
- unsigned long tx_dropped; /* no space available in linux */
- unsigned long multicast; /* multicast packets received */
- unsigned long collisions;
-
- /* detailed rx_errors: */
- unsigned long rx_length_errors;
- unsigned long rx_over_errors; /* receiver ring buff overflow */
- unsigned long rx_crc_errors; /* recved pkt with crc error */
- unsigned long rx_frame_errors; /* recv'd frame alignment error */
- unsigned long rx_fifo_errors; /* recv'r fifo overrun */
- unsigned long rx_missed_errors; /* receiver missed packet */
-
- /* detailed tx_errors */
- unsigned long tx_aborted_errors;
- unsigned long tx_carrier_errors;
- unsigned long tx_fifo_errors;
- unsigned long tx_heartbeat_errors;
- unsigned long tx_window_errors;
-
- /* for cslip etc */
- unsigned long rx_compressed;
- unsigned long tx_compressed;
-
- /* -------------------------------------
- * Custom stats & counters follow -baz */
u_int32_t version_size;
u_int32_t lmc_cardtype;

@@ -325,27 +265,26 @@ struct lmc_statistics
u_int32_t check;
};

-
typedef struct lmc_xinfo {
- u_int32_t Magic0; /* BEEFCAFE */
+ u_int32_t Magic0; /* BEEFCAFE */

- u_int32_t PciCardType;
- u_int32_t PciSlotNumber; /* PCI slot number */
+ u_int32_t PciCardType;
+ u_int32_t PciSlotNumber; /* PCI slot number */

- u_int16_t DriverMajorVersion;
- u_int16_t DriverMinorVersion;
- u_int16_t DriverSubVersion;
+ u16 DriverMajorVersion;
+ u16 DriverMinorVersion;
+ u16 DriverSubVersion;

- u_int16_t XilinxRevisionNumber;
- u_int16_t MaxFrameSize;
+ u16 XilinxRevisionNumber;
+ u16 MaxFrameSize;

- u_int16_t t1_alarm1_status;
- u_int16_t t1_alarm2_status;
+ u16 t1_alarm1_status;
+ u16 t1_alarm2_status;

- int link_status;
- u_int32_t mii_reg16;
+ int link_status;
+ u_int32_t mii_reg16;

- u_int32_t Magic1; /* DEADBEEF */
+ u_int32_t Magic1; /* DEADBEEF */
} LMC_XINFO;


@@ -353,11 +292,10 @@ typedef struct lmc_xinfo {
* forward decl
*/
struct lmc___softc {
- void *if_ptr; /* General purpose pointer (used by SPPP) */
char *name;
u8 board_idx;
- struct lmc_statistics stats;
- struct net_device *lmc_device;
+ struct lmc_extra_statistics extra_stats;
+ struct net_device *lmc_device;

int hang, rxdesc, bad_packet, some_counter;
u_int32_t txgo;
@@ -381,7 +319,7 @@ struct lmc___softc {
unsigned int lmc_taint_tx, lmc_taint_rx;
int lmc_tx_start, lmc_txfull;
int lmc_txbusy;
- u_int16_t lmc_miireg16;
+ u16 lmc_miireg16;
int lmc_ok;
int last_link_status;
int lmc_cardtype;
@@ -408,8 +346,7 @@ struct lmc___softc {
u32 num_int;

spinlock_t lmc_lock;
- u_int16_t if_type; /* PPP or NET */
- struct ppp_device *pd;
+ u16 if_type; /* HDLC/PPP or NET */

/* Failure cases */
u8 failed_ring;
@@ -525,46 +462,9 @@ struct lmc___softc {
#define LMC_ADAP_SSI 4
#define LMC_ADAP_T1 5

-#define HDLC_HDR_LEN 4
-#define HDLC_ADDR_LEN 1
-#define HDLC_SLARP 0x8035
#define LMC_MTU 1500
-#define SLARP_LINECHECK 2

#define LMC_CRC_LEN_16 2 /* 16-bit CRC */
#define LMC_CRC_LEN_32 4

-#ifdef LMC_HDLC
-/* definition of an hdlc header. */
-struct hdlc_hdr
-{
- u8 address;
- u8 control;
- u16 type;
-};
-
-/* definition of a slarp header. */
-struct slarp
-{
- long code;
- union sl
- {
- struct
- {
- ulong address;
- ulong mask;
- ushort unused;
- } add;
- struct
- {
- ulong mysequence;
- ulong yoursequence;
- ushort reliability;
- ulong time;
- } chk;
- } t;
-};
-#endif /* LMC_HDLC */
-
-
#endif /* _LMC_VAR_H_ */
--
Krzysztof Halasa

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