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提交 64bef763 编写于 作者: K Krzysztof Hałasa
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WAN: Port LMC driver to generic HDLC 

Signed-off-by: NKrzysztof Hałasa <khc@pm.waw.pl>
上级 52e8a6a2
隐藏空白更改
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Showing with 365 addition and 653 deletion
drivers/net/wan/Kconfig
浏览文件 @ 64bef763
......@@ -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.
......
drivers/net/wan/Makefile
浏览文件 @ 64bef763
......@@ -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/
......
drivers/net/wan/lmc/lmc_ioctl.h
浏览文件 @ 64bef763
......@@ -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 */
......
drivers/net/wan/lmc/lmc_main.c
浏览文件 @ 64bef763
/*
* 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[] = {
......@@ -91,10 +86,9 @@ 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);
......@@ -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 @@ static void lmc_watchdog (unsigned long data) /*fold00*/
}
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 @@ static irqreturn_t lmc_interrupt (int irq, void *dev_instance) /*fold00*/
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 @@ static int lmc_rx (struct net_device *dev) /*fold00*/
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;
......
drivers/net/wan/lmc/lmc_media.c
浏览文件 @ 64bef763
......@@ -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
......
drivers/net/wan/lmc/lmc_proto.c
浏览文件 @ 64bef763
......@@ -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");
}
drivers/net/wan/lmc/lmc_proto.h
浏览文件 @ 64bef763
#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
drivers/net/wan/lmc/lmc_var.h
浏览文件 @ 64bef763
#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_ */
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