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ethercat
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Kommentare im 8139-Treiber geändert.

This commit is contained in:
Florian Pose 2005-10-21 11:44:10 +00:00
parent 6efa13d714
commit 22da2dfbd1
1 changed files with 54 additions and 47 deletions
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73
drivers/drv_8139too.c
View File

@ -133,7 +133,6 @@
#include <asm/io.h>
#include <asm/uaccess.h>
/* EtherCAT >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>*/
#include "ec_device.h"
@ -143,7 +142,6 @@
/* EtherCAT <<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<*/
#define RTL8139_DRIVER_NAME DRV_NAME " Fast Ethernet driver " DRV_VERSION
#define PFX DRV_NAME ": "
@ -1053,7 +1051,7 @@ static int __devinit rtl8139_init_one (struct pci_dev *pdev,
rtl_ecat_dev.lock = &tp->lock;
}
/* EtherCAT >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>*/
/* EtherCAT <<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<*/
init_waitqueue_head (&tp->thr_wait);
init_completion (&tp->thr_exited);
@ -1165,11 +1163,14 @@ static void __devexit rtl8139_remove_one (struct pci_dev *pdev)
assert (dev != NULL);
np = dev->priv;
assert (np != NULL);
/* EtherCAT <<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<*/
/* EtherCATkarten nicht beim Stack angemeldet */
if (dev != rtl_ecat_dev.dev) {
/* EtherCAT >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>*/
if (dev != rtl_ecat_dev.dev)
{
unregister_netdev (dev);
}
/* EtherCAT <<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<*/
__rtl8139_cleanup_dev (dev);
@ -1376,14 +1377,18 @@ static int rtl8139_open (struct net_device *dev)
EC_DBG(KERN_DEBUG "%s: open\n", dev->name);
/* EtherCAT >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>*/
if (dev != rtl_ecat_dev.dev)
if (dev != rtl_ecat_dev.dev)
{
retval = request_irq(dev->irq, rtl8139_interrupt, SA_SHIRQ, dev->name, dev);
else {//ist Ethercatcard
}
else
{
//rt_disable_irq(dev->irq);
retval = rt_request_global_irq(dev->irq,rt_rtl8139_interrupt);
//rt_enable_irq(dev->irq);
}
if (retval)
return retval;
@ -1398,9 +1403,13 @@ static int rtl8139_open (struct net_device *dev)
/* EtherCAT >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>*/
if (dev != rtl_ecat_dev.dev)
{
free_irq(dev->irq, dev);
}
else
{
rt_free_global_irq (dev->irq);
}
/* EtherCAT <<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<*/
@ -1546,7 +1555,9 @@ static void rtl8139_hw_start (struct net_device *dev)
RTL_W16 (IntrMask, rtl8139_intr_mask);
/* EtherCAT >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>*/
if (dev != rtl_ecat_dev.dev) netif_start_queue (dev);
/* EtherCAT <<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<*/
EC_DBG(KERN_DEBUG "%s: rtl8139_hw_start finished.\n", dev->name);
@ -1834,7 +1845,9 @@ static void rtl8139_tx_timeout (struct net_device *dev)
rtl8139_hw_start (dev);
/* EtherCAT >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>*/
if (dev != rtl_ecat_dev.dev) netif_wake_queue (dev);
/* EtherCAT <<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<*/
EC_DBG(KERN_DEBUG "%s: tx_timeout finished.\n", dev->name);
@ -1914,10 +1927,13 @@ static void rtl8139_tx_interrupt (struct net_device *dev,
tx_left = tp->cur_tx - dirty_tx;
/* EtherCAT >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>*/
if (dev == rtl_ecat_dev.dev) {
if (dev == rtl_ecat_dev.dev)
{
(rtl_ecat_dev.tx_intr_cnt)++;
rdtscl(rtl_ecat_dev.tx_time); // Get CPU cycles
}
/* EtherCAT >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>*/
while (tx_left > 0) {
@ -2104,11 +2120,14 @@ static void rtl8139_rx_interrupt (struct net_device *dev,
RTL_R16 (RxBufPtr), RTL_R8 (ChipCmd));
/* EtherCAT >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>*/
if (dev == rtl_ecat_dev.dev) {
if (dev == rtl_ecat_dev.dev)
{
(rtl_ecat_dev.rx_intr_cnt)++;
rdtscl(rtl_ecat_dev.rx_time); // Get CPU cycles
}
/* EtherCAT >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>*/
/* EtherCAT <<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<*/
while ((RTL_R8 (ChipCmd) & RxBufEmpty) == 0) {
int ring_offset = cur_rx % RX_BUF_LEN;
@ -2128,10 +2147,10 @@ static void rtl8139_rx_interrupt (struct net_device *dev,
DPRINTK ("%s: rtl8139_rx() status %4.4x, size %4.4x,"
" cur %4.4x.\n", dev->name, rx_status,
rx_size, cur_rx);
#if RTL8139_DEBUG > 2
/* EtherCAT >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>*/
#if RTL8139_DEBUG > 2
if (dev == rtl_ecat_dev.dev)
{
int i;
@ -2141,9 +2160,9 @@ static void rtl8139_rx_interrupt (struct net_device *dev,
rx_ring[ring_offset + i]);
EC_DBG (".\n");
}
#endif
/* EtherCAT <<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<*/
#endif
/* Packet copy from FIFO still in progress.
* Theoretically, this should never happen
@ -2211,8 +2230,6 @@ static void rtl8139_rx_interrupt (struct net_device *dev,
}
else
{
// rdtscl(rtl_ecat_dev.rx_time); // Get CPU cycles
// Copy received data to ethercat-device buffer, skip Ethernet-II header
memcpy(rtl_ecat_dev.rx_data, &rx_ring[ring_offset + 4] + ETH_HLEN,
pkt_size - ETH_HLEN);
@ -2385,7 +2402,7 @@ static void rt_rtl8139_interrupt(void)
rtl8139_interrupt(rtl_ecat_dev.dev->irq, rtl_ecat_dev.dev, NULL);
}
/* EtherCAT >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>*/
/* EtherCAT <<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<*/
static int rtl8139_close (struct net_device *dev)
{
@ -2412,7 +2429,6 @@ static int rtl8139_close (struct net_device *dev)
}
}
/* EtherCAT <<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<*/
DPRINTK ("%s: Shutting down ethercard, status was 0x%4.4x.\n",
@ -2452,8 +2468,8 @@ static int rtl8139_close (struct net_device *dev)
synchronize_irq ();
}
/* EtherCAT >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>*/
EC_DBG ("rtl8139: freeing irq");
mdelay(1); //hm
@ -2895,8 +2911,10 @@ static int rtl8139_suspend (struct pci_dev *pdev, u32 state)
unsigned long flags;
/* EtherCAT >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>*/
if (dev == rtl_ecat_dev.dev || !netif_running (dev))
return 0;
/* EtherCAT >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>*/
netif_device_detach (dev);
@ -2921,8 +2939,10 @@ static int rtl8139_resume (struct pci_dev *pdev)
struct net_device *dev = pci_get_drvdata (pdev);
/* EtherCAT >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>*/
if (dev == rtl_ecat_dev.dev || !netif_running (dev))
return 0;
/* EtherCAT <<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<*/
netif_device_attach (dev);
@ -2957,18 +2977,10 @@ static int rtl8139_init_module (void)
/* EtherCAT >>>>>>>>>>>>>>>>>>>>>>>>>>>>*/
/* if (ecat_dev)
{
EC_DBG(KERN_WARNING "EtherCAT device already exists!!!\n");
return -ENOMEM;
}
*/
// if ((ecat_dev = (EtherCAT_device_t*) kmalloc(sizeof(EtherCAT_device_t), GFP_KERNEL)) == NULL)
// return -ENOMEM;
EtherCAT_device_init(&rtl_ecat_dev);
printk(KERN_DEBUG "Driver rtl_ecat_dev has adress %X.\n", (unsigned) &rtl_ecat_dev);
printk(KERN_DEBUG "Driver rtl_ecat_dev has address %X.\n",
(unsigned) &rtl_ecat_dev);
/* EtherCAT <<<<<<<<<<<<<<<<<<<<<<<<<<<<*/
@ -2982,12 +2994,7 @@ static void rtl8139_cleanup_module (void)
/* EtherCAT >>>>>>>>>>>>>>>>>>>>>>>>>>>>*/
// if (ecat_dev)
{
EtherCAT_device_clear(&rtl_ecat_dev);
// kfree(ecat_dev);
// ecat_dev = NULL;
}
/* EtherCAT <<<<<<<<<<<<<<<<<<<<<<<<<<<<*/
}