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index : litmus-rt.git | |
| The LITMUS^RT kernel. | Bjoern Brandenburg |
| aboutsummaryrefslogtreecommitdiffstats |
|
index : litmus-rt.git | |
| The LITMUS^RT kernel. | Bjoern Brandenburg |
| aboutsummaryrefslogtreecommitdiffstats |
/*
* Network device driver for Cell Processor-Based Blade
*
* (C) Copyright IBM Corp. 2005
*
* Authors : Utz Bacher <utz.bacher@de.ibm.com>
* Jens Osterkamp <Jens.Osterkamp@de.ibm.com>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2, or (at your option)
* any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#include <linux/config.h>
#include <linux/compiler.h>
#include <linux/crc32.h>
#include <linux/delay.h>
#include <linux/etherdevice.h>
#include <linux/ethtool.h>
#include <linux/firmware.h>
#include <linux/if_vlan.h>
#include <linux/in.h>
#include <linux/init.h>
#include <linux/ioport.h>
#include <linux/ip.h>
#include <linux/kernel.h>
#include <linux/mii.h>
#include <linux/module.h>
#include <linux/netdevice.h>
#include <linux/device.h>
#include <linux/pci.h>
#include <linux/skbuff.h>
#include <linux/slab.h>
#include <linux/tcp.h>
#include <linux/types.h>
#include <linux/vmalloc.h>
#include <linux/wait.h>
#include <linux/workqueue.h>
#include <asm/bitops.h>
#include <asm/pci-bridge.h>
#include <net/checksum.h>
#include "spider_net.h"
MODULE_AUTHOR("Utz Bacher <utz.bacher@de.ibm.com> and Jens Osterkamp " \
"<Jens.Osterkamp@de.ibm.com>");
MODULE_DESCRIPTION("Spider Southbridge Gigabit Ethernet driver");
MODULE_LICENSE("GPL");
static int rx_descriptors = SPIDER_NET_RX_DESCRIPTORS_DEFAULT;
static int tx_descriptors = SPIDER_NET_TX_DESCRIPTORS_DEFAULT;
module_param(rx_descriptors, int, 0644);
module_param(tx_descriptors, int, 0644);
MODULE_PARM_DESC(rx_descriptors, "number of descriptors used " \
"in rx chains");
MODULE_PARM_DESC(tx_descriptors, "number of descriptors used " \
"in tx chain");
char spider_net_driver_name[] = "spidernet";
static struct pci_device_id spider_net_pci_tbl[] = {
{ PCI_VENDOR_ID_TOSHIBA_2, PCI_DEVICE_ID_TOSHIBA_SPIDER_NET,
PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0UL },
{ 0, }
};
MODULE_DEVICE_TABLE(pci, spider_net_pci_tbl);
/**
* spider_net_read_reg - reads an SMMIO register of a card
* @card: device structure
* @reg: register to read from
*
* returns the content of the specified SMMIO register.
*/
static u32
spider_net_read_reg(struct spider_net_card *card, u32 reg)
{
u32 value;
value = readl(card->regs + reg);
value = le32_to_cpu(value);
return value;
}
/**
* spider_net_write_reg - writes to an SMMIO register of a card
* @card: device structure
* @reg: register to write to
* @value: value to write into the specified SMMIO register
*/
static void
spider_net_write_reg(struct spider_net_card *card, u32 reg, u32 value)
{
value = cpu_to_le32(value);
writel(value, card->regs + reg);
}
/** spider_net_write_phy - write to phy register
* @netdev: adapter to be written to
* @mii_id: id of MII
* @reg: PHY register
* @val: value to be written to phy register
*
* spider_net_write_phy_register writes to an arbitrary PHY
* register via the spider GPCWOPCMD register. We assume the queue does
* not run full (not more than 15 commands outstanding).
**/
static void
spider_net_write_phy(struct net_device *netdev, int mii_id,
int reg, int val)
{
struct spider_net_card *card = netdev_priv(netdev);
u32 writevalue;