/* sis900.c: A SiS 900/7016 PCI Fast Ethernet driver for Linux.
Copyright 1999 Silicon Integrated System Corporation
- Revision: 1.08.08 Jan. 22 2005
+ Revision: 1.08.09 Sep. 19 2005
Modified from the driver which is originally written by Donald Becker.
SiS 7014 Single Chip 100BASE-TX/10BASE-T Physical Layer Solution,
preliminary Rev. 1.0 Jan. 18, 1998
+ Rev 1.08.09 Sep. 19 2005 Daniele Venzano add Wake on LAN support
Rev 1.08.08 Jan. 22 2005 Daniele Venzano use netif_msg for debugging messages
Rev 1.08.07 Nov. 2 2003 Daniele Venzano <webvenza@libero.it> add suspend/resume support
Rev 1.08.06 Sep. 24 2002 Mufasa Yang bug fix for Tx timeout & add SiS963 support
#include <linux/ethtool.h>
#include <linux/crc32.h>
#include <linux/bitops.h>
+#include <linux/dma-mapping.h>
#include <asm/processor.h> /* Processor type for cache alignment. */
#include <asm/io.h>
#include "sis900.h"
#define SIS900_MODULE_NAME "sis900"
-#define SIS900_DRV_VERSION "v1.08.08 Jan. 22 2005"
+#define SIS900_DRV_VERSION "v1.08.09 Sep. 19 2005"
static char version[] __devinitdata =
KERN_INFO "sis900.c: " SIS900_DRV_VERSION "\n";
/* Time in jiffies before concluding the transmitter is hung. */
#define TX_TIMEOUT (4*HZ)
-/* SiS 900 is capable of 32 bits BM DMA */
-#define SIS900_DMA_MASK 0xffffffff
enum {
SIS_900 = 0,
SIS_7016
};
-static char * card_names[] = {
+static const char * card_names[] = {
"SiS 900 PCI Fast Ethernet",
"SiS 7016 PCI Fast Ethernet"
};
static void sis900_read_mode(struct net_device *net_dev, int *speed, int *duplex);
-static struct mii_chip_info {
+static const struct mii_chip_info {
const char * name;
u16 phy_id0;
u16 phy_id1;
} mii_chip_table[] = {
{ "SiS 900 Internal MII PHY", 0x001d, 0x8000, LAN },
{ "SiS 7014 Physical Layer Solution", 0x0016, 0xf830, LAN },
+ { "SiS 900 on Foxconn 661 7MI", 0x0143, 0xBC70, LAN },
{ "Altimata AC101LF PHY", 0x0022, 0x5520, LAN },
+ { "ADM 7001 LAN PHY", 0x002e, 0xcc60, LAN },
{ "AMD 79C901 10BASE-T PHY", 0x0000, 0x6B70, LAN },
{ "AMD 79C901 HomePNA PHY", 0x0000, 0x6B90, HOME},
{ "ICS LAN PHY", 0x0015, 0xF440, LAN },
void *ring_space;
long ioaddr;
int i, ret;
- char *card_name = card_names[pci_id->driver_data];
+ const char *card_name = card_names[pci_id->driver_data];
const char *dev_name = pci_name(pci_dev);
/* when built into the kernel, we only print version if device is found */
ret = pci_enable_device(pci_dev);
if(ret) return ret;
- i = pci_set_dma_mask(pci_dev, SIS900_DMA_MASK);
+ i = pci_set_dma_mask(pci_dev, DMA_32BIT_MASK);
if(i){
printk(KERN_ERR "sis900.c: architecture does not support"
"32bit PCI busmaster DMA\n");
printk("%2.2x:", (u8)net_dev->dev_addr[i]);
printk("%2.2x.\n", net_dev->dev_addr[i]);
+ /* Detect Wake on Lan support */
+ ret = (inl(net_dev->base_addr + CFGPMC) & PMESP) >> 27;
+ if (netif_msg_probe(sis_priv) && (ret & PME_D3C) == 0)
+ printk(KERN_INFO "%s: Wake on LAN only available from suspend to RAM.", net_dev->name);
+
return 0;
err_unmap_rx:
sis_priv->rx_skbuff[i] = skb;
sis_priv->rx_ring[i].cmdsts = RX_BUF_SIZE;
sis_priv->rx_ring[i].bufptr = pci_map_single(sis_priv->pci_dev,
- skb->tail, RX_BUF_SIZE, PCI_DMA_FROMDEVICE);
+ skb->data, RX_BUF_SIZE, PCI_DMA_FROMDEVICE);
}
sis_priv->dirty_rx = (unsigned int) (i - NUM_RX_DESC);
struct net_device *net_dev = (struct net_device *)data;
struct sis900_private *sis_priv = net_dev->priv;
struct mii_phy *mii_phy = sis_priv->mii;
- static int next_tick = 5*HZ;
+ static const int next_tick = 5*HZ;
u16 status;
if (!sis_priv->autong_complete){
*
* Process receive interrupt events,
* put buffer to higher layer and refill buffer pool
- * Note: This fucntion is called by interrupt handler,
+ * Note: This function is called by interrupt handler,
* don't do "too much" work here
*/
long ioaddr = net_dev->base_addr;
unsigned int entry = sis_priv->cur_rx % NUM_RX_DESC;
u32 rx_status = sis_priv->rx_ring[entry].cmdsts;
+ int rx_work_limit;
if (netif_msg_rx_status(sis_priv))
printk(KERN_DEBUG "sis900_rx, cur_rx:%4.4d, dirty_rx:%4.4d "
"status:0x%8.8x\n",
sis_priv->cur_rx, sis_priv->dirty_rx, rx_status);
+ rx_work_limit = sis_priv->dirty_rx + NUM_RX_DESC - sis_priv->cur_rx;
while (rx_status & OWN) {
unsigned int rx_size;
+ if (--rx_work_limit < 0)
+ break;
+
rx_size = (rx_status & DSIZE) - CRC_SIZE;
if (rx_status & (ABORT|OVERRUN|TOOLONG|RUNT|RXISERR|CRCERR|FAERR)) {
we are working on NULL sk_buff :-( */
if (sis_priv->rx_skbuff[entry] == NULL) {
if (netif_msg_rx_err(sis_priv))
- printk(KERN_INFO "%s: NULL pointer "
- "encountered in Rx ring, skipping\n",
- net_dev->name);
+ printk(KERN_WARNING "%s: NULL pointer "
+ "encountered in Rx ring\n"
+ "cur_rx:%4.4d, dirty_rx:%4.4d\n",
+ net_dev->name, sis_priv->cur_rx,
+ sis_priv->dirty_rx);
break;
}
sis_priv->rx_ring[entry].cmdsts = 0;
sis_priv->rx_ring[entry].bufptr = 0;
sis_priv->stats.rx_dropped++;
+ sis_priv->cur_rx++;
break;
}
skb->dev = net_dev;
sis_priv->rx_skbuff[entry] = skb;
sis_priv->rx_ring[entry].cmdsts = RX_BUF_SIZE;
sis_priv->rx_ring[entry].bufptr =
- pci_map_single(sis_priv->pci_dev, skb->tail,
+ pci_map_single(sis_priv->pci_dev, skb->data,
RX_BUF_SIZE, PCI_DMA_FROMDEVICE);
sis_priv->dirty_rx++;
}
/* refill the Rx buffer, what if the rate of refilling is slower
* than consuming ?? */
- for (;sis_priv->cur_rx - sis_priv->dirty_rx > 0; sis_priv->dirty_rx++) {
+ for (; sis_priv->cur_rx != sis_priv->dirty_rx; sis_priv->dirty_rx++) {
struct sk_buff *skb;
entry = sis_priv->dirty_rx % NUM_RX_DESC;
sis_priv->rx_skbuff[entry] = skb;
sis_priv->rx_ring[entry].cmdsts = RX_BUF_SIZE;
sis_priv->rx_ring[entry].bufptr =
- pci_map_single(sis_priv->pci_dev, skb->tail,
+ pci_map_single(sis_priv->pci_dev, skb->data,
RX_BUF_SIZE, PCI_DMA_FROMDEVICE);
}
}
*
* Check for error condition and free socket buffer etc
* schedule for more transmission as needed
- * Note: This fucntion is called by interrupt handler,
+ * Note: This function is called by interrupt handler,
* don't do "too much" work here
*/
return mii_nway_restart(&sis_priv->mii_info);
}
+/**
+ * sis900_set_wol - Set up Wake on Lan registers
+ * @net_dev: the net device to probe
+ * @wol: container for info passed to the driver
+ *
+ * Process ethtool command "wol" to setup wake on lan features.
+ * SiS900 supports sending WoL events if a correct packet is received,
+ * but there is no simple way to filter them to only a subset (broadcast,
+ * multicast, unicast or arp).
+ */
+
+static int sis900_set_wol(struct net_device *net_dev, struct ethtool_wolinfo *wol)
+{
+ struct sis900_private *sis_priv = net_dev->priv;
+ long pmctrl_addr = net_dev->base_addr + pmctrl;
+ u32 cfgpmcsr = 0, pmctrl_bits = 0;
+
+ if (wol->wolopts == 0) {
+ pci_read_config_dword(sis_priv->pci_dev, CFGPMCSR, &cfgpmcsr);
+ cfgpmcsr &= ~PME_EN;
+ pci_write_config_dword(sis_priv->pci_dev, CFGPMCSR, cfgpmcsr);
+ outl(pmctrl_bits, pmctrl_addr);
+ if (netif_msg_wol(sis_priv))
+ printk(KERN_DEBUG "%s: Wake on LAN disabled\n", net_dev->name);
+ return 0;
+ }
+
+ if (wol->wolopts & (WAKE_MAGICSECURE | WAKE_UCAST | WAKE_MCAST
+ | WAKE_BCAST | WAKE_ARP))
+ return -EINVAL;
+
+ if (wol->wolopts & WAKE_MAGIC)
+ pmctrl_bits |= MAGICPKT;
+ if (wol->wolopts & WAKE_PHY)
+ pmctrl_bits |= LINKON;
+
+ outl(pmctrl_bits, pmctrl_addr);
+
+ pci_read_config_dword(sis_priv->pci_dev, CFGPMCSR, &cfgpmcsr);
+ cfgpmcsr |= PME_EN;
+ pci_write_config_dword(sis_priv->pci_dev, CFGPMCSR, cfgpmcsr);
+ if (netif_msg_wol(sis_priv))
+ printk(KERN_DEBUG "%s: Wake on LAN enabled\n", net_dev->name);
+
+ return 0;
+}
+
+static void sis900_get_wol(struct net_device *net_dev, struct ethtool_wolinfo *wol)
+{
+ long pmctrl_addr = net_dev->base_addr + pmctrl;
+ u32 pmctrl_bits;
+
+ pmctrl_bits = inl(pmctrl_addr);
+ if (pmctrl_bits & MAGICPKT)
+ wol->wolopts |= WAKE_MAGIC;
+ if (pmctrl_bits & LINKON)
+ wol->wolopts |= WAKE_PHY;
+
+ wol->supported = (WAKE_PHY | WAKE_MAGIC);
+}
+
static struct ethtool_ops sis900_ethtool_ops = {
.get_drvinfo = sis900_get_drvinfo,
.get_msglevel = sis900_get_msglevel,
.get_settings = sis900_get_settings,
.set_settings = sis900_set_settings,
.nway_reset = sis900_nway_reset,
+ .get_wol = sis900_get_wol,
+ .set_wol = sis900_set_wol
};
/**
int i, table_entries;
u32 rx_mode;
- /* 635 Hash Table entires = 256(2^16) */
+ /* 635 Hash Table entries = 256(2^16) */
if((sis_priv->chipset_rev >= SIS635A_900_REV) ||
(sis_priv->chipset_rev == SIS900B_900_REV))
table_entries = 16;
git://git.onelab.eu / linux-2.6.git / blobdiff