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Commit a511104c authored by Jeff Garzik's avatar Jeff Garzik
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net driver 8139cp updates: 

* add preliminary 8169 gige support (ifdef'd out)
* support several diagnostic ethtool ioctls
* do not write to legacy 8139 registers we never use
parent a9907091
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Showing with 168 additions and 14 deletions
drivers/net/8139cp.c
View file @ a511104c
......@@ -32,7 +32,7 @@
h/w stats can be reset only by software reset
* Tx checksumming
* Handle netif_rx return value
* ETHTOOL_GREGS, ETHTOOL_[GS]WOL,
* ETHTOOL_[GS]WOL,
* Investigate using skb->priority with h/w VLAN priority
* Investigate using High Priority Tx Queue with skb->priority
* Adjust Rx FIFO threshold and Max Rx DMA burst on Rx FIFO error
......@@ -41,12 +41,14 @@
Tx descriptor bit
* The real minimum of CP_MIN_MTU is 4 bytes. However,
for this to be supported, one must(?) turn on packet padding.
* Support 8169 GMII
* Support external MII transceivers
*/
#define DRV_NAME "8139cp"
#define DRV_VERSION "0.0.7"
#define DRV_RELDATE "Feb 27, 2002"
#define DRV_VERSION "0.1.0"
#define DRV_RELDATE "Jun 14, 2002"
#include <linux/config.h>
......@@ -99,6 +101,7 @@ MODULE_PARM_DESC (multicast_filter_limit, "8139cp maximum number of filtered mul
NETIF_MSG_PROBE | \
NETIF_MSG_LINK)
#define CP_REGS_SIZE (0xff + 1)
#define CP_REGS_VER 1 /* version 1 */
#define CP_RX_RING_SIZE 64
#define CP_TX_RING_SIZE 64
#define CP_RING_BYTES \
......@@ -152,7 +155,9 @@ enum {
NWayExpansion = 0x6A, /* MII Expansion */
Config5 = 0xD8, /* Config5 */
TxPoll = 0xD9, /* Tell chip to check Tx descriptors for work */
RxMaxSize = 0xDA, /* Max size of an Rx packet (8169 only) */
CpCmd = 0xE0, /* C+ Command register (C+ mode only) */
IntrMitigate = 0xE2, /* rx/tx interrupt mitigation control */
RxRingAddr = 0xE4, /* 64-bit start addr of Rx ring */
TxThresh = 0xEC, /* Early Tx threshold */
OldRxBufAddr = 0x30, /* DMA address of Rx ring buffer (C mode) */
......@@ -313,6 +318,7 @@ struct cp_private {
struct sk_buff *frag_skb;
unsigned dropping_frag : 1;
unsigned int board_type;
struct mii_if_info mii_if;
};
......@@ -341,10 +347,28 @@ static void __cp_set_rx_mode (struct net_device *dev);
static void cp_tx (struct cp_private *cp);
static void cp_clean_rings (struct cp_private *cp);
enum board_type {
RTL8139Cp,
RTL8169,
};
static struct cp_board_info {
const char *name;
} cp_board_tbl[] __devinitdata = {
/* RTL8139Cp */
{ "RTL-8139C+" },
/* RTL8169 */
{ "RTL-8169" },
};
static struct pci_device_id cp_pci_tbl[] __devinitdata = {
{ PCI_VENDOR_ID_REALTEK, PCI_DEVICE_ID_REALTEK_8139,
PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0 },
PCI_ANY_ID, PCI_ANY_ID, 0, 0, RTL8139Cp },
#if 0
{ PCI_VENDOR_ID_REALTEK, PCI_DEVICE_ID_REALTEK_8169,
PCI_ANY_ID, PCI_ANY_ID, 0, 0, RTL8169 },
#endif
{ },
};
MODULE_DEVICE_TABLE(pci, cp_pci_tbl);
......@@ -890,7 +914,10 @@ static void cp_reset_hw (struct cp_private *cp)
static inline void cp_start_hw (struct cp_private *cp)
{
cpw8(Cmd, RxOn | TxOn);
cpw16(CpCmd, PCIMulRW | RxChkSum | CpRxOn | CpTxOn);
if (cp->board_type == RTL8169)
cpw16(CpCmd, PCIMulRW | RxChkSum);
else
cpw16(CpCmd, PCIMulRW | RxChkSum | CpRxOn | CpTxOn);
}
static void cp_init_hw (struct cp_private *cp)
......@@ -912,16 +939,14 @@ static void cp_init_hw (struct cp_private *cp)
cpw32_f (TxConfig, IFG | (TX_DMA_BURST << TxDMAShift));
cpw8(Config1, cpr8(Config1) | DriverLoaded | PMEnable);
cpw8(Config3, PARMEnable); /* disables magic packet and WOL */
if (cp->board_type == RTL8139Cp)
cpw8(Config3, PARMEnable); /* disables magic packet and WOL */
cpw8(Config5, cpr8(Config5) & PMEStatus); /* disables more WOL stuff */
if (cp->board_type == RTL8169)
cpw16(RxMaxSize, cp->rx_buf_sz);
cpw32_f(HiTxRingAddr, 0);
cpw32_f(HiTxRingAddr + 4, 0);
cpw32_f(OldRxBufAddr, 0);
cpw32_f(OldTSD0, 0);
cpw32_f(OldTSD0 + 4, 0);
cpw32_f(OldTSD0 + 8, 0);
cpw32_f(OldTSD0 + 12, 0);
cpw32_f(RxRingAddr, cp->ring_dma);
cpw32_f(RxRingAddr + 4, 0);
......@@ -930,9 +955,9 @@ static void cp_init_hw (struct cp_private *cp)
cpw16(MultiIntr, 0);
cpw16(IntrMask, cp_intr_mask);
cpw16_f(IntrMask, cp_intr_mask);
cpw8_f (Cfg9346, Cfg9346_Lock);
cpw8_f(Cfg9346, Cfg9346_Lock);
}
static int cp_refill_rx (struct cp_private *cp)
......@@ -1094,6 +1119,8 @@ static int cp_change_mtu(struct net_device *dev, int new_mtu)
dev->mtu = new_mtu;
cp_set_rxbufsize(cp); /* set new rx buf size */
if (cp->board_type == RTL8169)
cpw16(RxMaxSize, cp->rx_buf_sz);
rc = cp_init_rings(cp); /* realloc and restart h/w */
cp_start_hw(cp);
......@@ -1153,6 +1180,7 @@ static int cp_ethtool_ioctl (struct cp_private *cp, void *useraddr)
strcpy (info.driver, DRV_NAME);
strcpy (info.version, DRV_VERSION);
strcpy (info.bus_info, cp->pdev->slot_name);
info.regdump_len = CP_REGS_SIZE;
if (copy_to_user (useraddr, &info, sizeof (info)))
return -EFAULT;
return 0;
......@@ -1209,6 +1237,128 @@ static int cp_ethtool_ioctl (struct cp_private *cp, void *useraddr)
return 0;
}
/* NIC register dump */
case ETHTOOL_GREGS: {
struct ethtool_regs regs;
u8 *regbuf = kmalloc(CP_REGS_SIZE, GFP_KERNEL);
int rc;
if (!regbuf)
return -ENOMEM;
memset(regbuf, 0, CP_REGS_SIZE);
rc = copy_from_user(&regs, useraddr, sizeof(regs));
if (rc) {
rc = -EFAULT;
goto err_out_gregs;
}
if (regs.len > CP_REGS_SIZE)
regs.len = CP_REGS_SIZE;
if (regs.len < CP_REGS_SIZE) {
rc = -EINVAL;
goto err_out_gregs;
}
regs.version = CP_REGS_VER;
rc = copy_to_user(useraddr, &regs, sizeof(regs));
if (rc) {
rc = -EFAULT;
goto err_out_gregs;
}
useraddr += offsetof(struct ethtool_regs, data);
spin_lock_irq(&cp->lock);
memcpy_fromio(regbuf, cp->regs, CP_REGS_SIZE);
spin_unlock_irq(&cp->lock);
if (copy_to_user(useraddr, regbuf, regs.len))
rc = -EFAULT;
err_out_gregs:
kfree(regbuf);
return rc;
}
/* get/set RX checksumming */
case ETHTOOL_GRXCSUM: {
struct ethtool_value edata = { ETHTOOL_GRXCSUM };
u16 cmd = cpr16(CpCmd) & RxChkSum;
edata.data = cmd ? 1 : 0;
if (copy_to_user(useraddr, &edata, sizeof(edata)))
return -EFAULT;
return 0;
}
case ETHTOOL_SRXCSUM: {
struct ethtool_value edata;
u16 cmd = cpr16(CpCmd), newcmd;
newcmd = cmd;
if (copy_from_user(&edata, useraddr, sizeof(edata)))
return -EFAULT;
if (edata.data)
newcmd |= RxChkSum;
else
newcmd &= ~RxChkSum;
if (newcmd == cmd)
return 0;
spin_lock_irq(&cp->lock);
cpw16_f(CpCmd, newcmd);
spin_unlock_irq(&cp->lock);
}
/* get/set TX checksumming */
case ETHTOOL_GTXCSUM: {
struct ethtool_value edata = { ETHTOOL_GTXCSUM };
edata.data = (cp->dev->features & NETIF_F_IP_CSUM) != 0;
if (copy_to_user(useraddr, &edata, sizeof(edata)))
return -EFAULT;
return 0;
}
case ETHTOOL_STXCSUM: {
struct ethtool_value edata;
if (copy_from_user(&edata, useraddr, sizeof(edata)))
return -EFAULT;
if (edata.data)
cp->dev->features |= NETIF_F_IP_CSUM;
else
cp->dev->features &= ~NETIF_F_IP_CSUM;
return 0;
}
/* get/set scatter-gather */
case ETHTOOL_GSG: {
struct ethtool_value edata = { ETHTOOL_GSG };
edata.data = (cp->dev->features & NETIF_F_SG) != 0;
if (copy_to_user(useraddr, &edata, sizeof(edata)))
return -EFAULT;
return 0;
}
case ETHTOOL_SSG: {
struct ethtool_value edata;
if (copy_from_user(&edata, useraddr, sizeof(edata)))
return -EFAULT;
if (edata.data)
cp->dev->features |= NETIF_F_SG;
else
cp->dev->features &= ~NETIF_F_SG;
return 0;
}
default:
break;
}
......@@ -1332,6 +1482,7 @@ static int __devinit cp_init_one (struct pci_dev *pdev,
unsigned addr_len, i;
u8 pci_rev, cache_size;
u16 pci_command;
unsigned int board_type = (unsigned int) ent->driver_data;
#ifndef MODULE
static int version_printed;
......@@ -1355,6 +1506,7 @@ static int __devinit cp_init_one (struct pci_dev *pdev,
SET_MODULE_OWNER(dev);
cp = dev->priv;
cp->pdev = pdev;
cp->board_type = board_type;
cp->dev = dev;
cp->msg_enable = (debug < 0 ? CP_DEF_MSG_ENABLE : debug);
spin_lock_init (&cp->lock);
......@@ -1440,7 +1592,7 @@ static int __devinit cp_init_one (struct pci_dev *pdev,
"%02x:%02x:%02x:%02x:%02x:%02x, "
"IRQ %d\n",
dev->name,
"RTL-8139C+",
cp_board_tbl[board_type].name,
dev->base_addr,
dev->dev_addr[0], dev->dev_addr[1],
dev->dev_addr[2], dev->dev_addr[3],
......
drivers/pci/pci.ids
View file @ a511104c
......@@ -2039,6 +2039,7 @@
8e2e 7000 KF-230TX
8e2e 7100 KF-230TX/2
a0a0 0007 ALN-325C
8169 RTL-8169
10ed Ascii Corporation
7310 V7310
10ee Xilinx, Inc.
......
include/linux/pci_ids.h
View file @ a511104c
......@@ -912,6 +912,7 @@
#define PCI_DEVICE_ID_REALTEK_8029 0x8029
#define PCI_DEVICE_ID_REALTEK_8129 0x8129
#define PCI_DEVICE_ID_REALTEK_8139 0x8139
#define PCI_DEVICE_ID_REALTEK_8169 0x8169
#define PCI_VENDOR_ID_XILINX 0x10ee
#define PCI_DEVICE_ID_TURBOPAM 0x4020
......
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