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Merge branch 'upstream-linus' of master.kernel.org:/pub/scm/linux/kernel/git/jgarzik/netdev-2.6

Browse source 
* 'upstream-linus' of master.kernel.org:/pub/scm/linux/kernel/git/jgarzik/netdev-2.6:
  WOL bugfix for 3c59x.c
  skge 1.12
  skge: add a debug interface
  skge: eeprom support
  skge: internal stats
  skge: XM PHY handling fixes
  skge: changing MTU while running causes problems
  skge: fix ram buffer size calculation
  gianfar: Fix compile regression caused by 09f75cd7
  net: Fix new EMAC driver for NAPI changes
  bonding: two small fixes for IPoIB support
  e1000e: don't poke PHY registers to retreive link status
  e1000e: fix error checks
  e1000e: Fix debug printk macro
  tokenring/3c359.c: fixed array index problem
  [netdrvr] forcedeth: remove in-driver copy of net_device_stats
  [netdrvr] forcedeth: improved probe info; dev_printk() cleanups
  forcedeth: fix NAPI rx poll function
This commit is contained in:
Linus Torvalds 2007-10-16 19:06:48 -07:00
commit ebb3e820b8
12 changed files with 558 additions and 216 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

8
drivers/net/3c59x.c
View file

@ -3118,7 +3118,13 @@ static void acpi_set_WOL(struct net_device *dev)
iowrite16(SetRxFilter|RxStation|RxMulticast|RxBroadcast, ioaddr + EL3_CMD);
iowrite16(RxEnable, ioaddr + EL3_CMD);
pci_enable_wake(VORTEX_PCI(vp), 0, 1);
if (pci_enable_wake(VORTEX_PCI(vp), PCI_D3hot, 1)) {
printk(KERN_INFO "%s: WOL not supported.\n",
pci_name(VORTEX_PCI(vp)));
vp->enable_wol = 0;
return;
}
/* Change the power state to D3; RxEnable doesn't take effect. */
pci_set_power_state(VORTEX_PCI(vp), PCI_D3hot);

10
drivers/net/Kconfig
View file

@ -2173,6 +2173,16 @@ config SKGE
To compile this driver as a module, choose M here: the module
will be called skge. This is recommended.
config SKGE_DEBUG
bool "Debugging interface"
depends on SKGE && DEBUG_FS
help
This option adds the ability to dump driver state for debugging.
The file debugfs/skge/ethX displays the state of the internal
transmit and receive rings.
If unsure, say N.
config SKY2
tristate "SysKonnect Yukon2 support"
depends on PCI

11
drivers/net/bonding/bond_main.c
View file

@ -1263,6 +1263,7 @@ static void bond_setup_by_slave(struct net_device *bond_dev,
struct bonding *bond = bond_dev->priv;
bond_dev->neigh_setup = slave_dev->neigh_setup;
bond_dev->header_ops = slave_dev->header_ops;
bond_dev->type = slave_dev->type;
bond_dev->hard_header_len = slave_dev->hard_header_len;
@ -3351,7 +3352,10 @@ static int bond_slave_netdev_event(unsigned long event, struct net_device *slave
switch (event) {
case NETDEV_UNREGISTER:
if (bond_dev) {
bond_release(bond_dev, slave_dev);
if (bond->setup_by_slave)
bond_release_and_destroy(bond_dev, slave_dev);
else
bond_release(bond_dev, slave_dev);
}
break;
case NETDEV_CHANGE:
@ -3366,11 +3370,6 @@ static int bond_slave_netdev_event(unsigned long event, struct net_device *slave
* ... Or is it this?
*/
break;
case NETDEV_GOING_DOWN:
dprintk("slave %s is going down\n", slave_dev->name);
if (bond->setup_by_slave)
bond_release_and_destroy(bond_dev, slave_dev);
break;
case NETDEV_CHANGEMTU:
/*
* TODO: Should slaves be allowed to

4
drivers/net/bonding/bonding.h
View file

@ -22,8 +22,8 @@
#include "bond_3ad.h"
#include "bond_alb.h"
#define DRV_VERSION "3.2.0"
#define DRV_RELDATE "September 13, 2007"
#define DRV_VERSION "3.2.1"
#define DRV_RELDATE "October 15, 2007"
#define DRV_NAME "bonding"
#define DRV_DESCRIPTION "Ethernet Channel Bonding Driver"

35
drivers/net/e1000e/ethtool.c
View file

@ -110,6 +110,7 @@ static int e1000_get_settings(struct net_device *netdev,
{
struct e1000_adapter *adapter = netdev_priv(netdev);
struct e1000_hw *hw = &adapter->hw;
u32 status;
if (hw->media_type == e1000_media_type_copper) {
@ -147,16 +148,16 @@ static int e1000_get_settings(struct net_device *netdev,
ecmd->transceiver = XCVR_EXTERNAL;
}
if (er32(STATUS) & E1000_STATUS_LU) {
status = er32(STATUS);
if (status & E1000_STATUS_LU) {
if (status & E1000_STATUS_SPEED_1000)
ecmd->speed = 1000;
else if (status & E1000_STATUS_SPEED_100)
ecmd->speed = 100;
else
ecmd->speed = 10;
adapter->hw.mac.ops.get_link_up_info(hw, &adapter->link_speed,
&adapter->link_duplex);
ecmd->speed = adapter->link_speed;
/* unfortunately FULL_DUPLEX != DUPLEX_FULL
* and HALF_DUPLEX != DUPLEX_HALF */
if (adapter->link_duplex == FULL_DUPLEX)
if (status & E1000_STATUS_FD)
ecmd->duplex = DUPLEX_FULL;
else
ecmd->duplex = DUPLEX_HALF;
@ -170,6 +171,16 @@ static int e1000_get_settings(struct net_device *netdev,
return 0;
}
static u32 e1000_get_link(struct net_device *netdev)
{
struct e1000_adapter *adapter = netdev_priv(netdev);
struct e1000_hw *hw = &adapter->hw;
u32 status;
status = er32(STATUS);
return (status & E1000_STATUS_LU);
}
static int e1000_set_spd_dplx(struct e1000_adapter *adapter, u16 spddplx)
{
struct e1000_mac_info *mac = &adapter->hw.mac;
@ -1451,11 +1462,11 @@ static int e1000_loopback_test(struct e1000_adapter *adapter, u64 *data)
}
*data = e1000_setup_desc_rings(adapter);
if (data)
if (*data)
goto out;
*data = e1000_setup_loopback_test(adapter);
if (data)
if (*data)
goto err_loopback;
*data = e1000_run_loopback_test(adapter);
@ -1751,7 +1762,7 @@ static const struct ethtool_ops e1000_ethtool_ops = {
.get_msglevel = e1000_get_msglevel,
.set_msglevel = e1000_set_msglevel,
.nway_reset = e1000_nway_reset,
.get_link = ethtool_op_get_link,
.get_link = e1000_get_link,
.get_eeprom_len = e1000_get_eeprom_len,
.get_eeprom = e1000_get_eeprom,
.set_eeprom = e1000_set_eeprom,

2
drivers/net/e1000e/hw.h
View file

@ -852,7 +852,7 @@ struct e1000_hw {
#ifdef DEBUG
#define hw_dbg(hw, format, arg...) \
printk(KERN_DEBUG, "%s: " format, e1000e_get_hw_dev_name(hw), ##arg);
printk(KERN_DEBUG "%s: " format, e1000e_get_hw_dev_name(hw), ##arg)
#else
static inline int __attribute__ ((format (printf, 2, 3)))
hw_dbg(struct e1000_hw *hw, const char *format, ...)

166
drivers/net/forcedeth.c
View file

@ -128,7 +128,7 @@
#else
#define DRIVERNAPI
#endif
#define FORCEDETH_VERSION "0.60"
#define FORCEDETH_VERSION "0.61"
#define DRV_NAME "forcedeth"
#include <linux/module.h>
@ -752,7 +752,6 @@ struct fe_priv {
/* General data:
* Locking: spin_lock(&np->lock); */
struct net_device_stats stats;
struct nv_ethtool_stats estats;
int in_shutdown;
u32 linkspeed;
@ -1505,15 +1504,16 @@ static struct net_device_stats *nv_get_stats(struct net_device *dev)
nv_get_hw_stats(dev);
/* copy to net_device stats */
np->stats.tx_bytes = np->estats.tx_bytes;
np->stats.tx_fifo_errors = np->estats.tx_fifo_errors;
np->stats.tx_carrier_errors = np->estats.tx_carrier_errors;
np->stats.rx_crc_errors = np->estats.rx_crc_errors;
np->stats.rx_over_errors = np->estats.rx_over_errors;
np->stats.rx_errors = np->estats.rx_errors_total;
np->stats.tx_errors = np->estats.tx_errors_total;
dev->stats.tx_bytes = np->estats.tx_bytes;
dev->stats.tx_fifo_errors = np->estats.tx_fifo_errors;
dev->stats.tx_carrier_errors = np->estats.tx_carrier_errors;
dev->stats.rx_crc_errors = np->estats.rx_crc_errors;
dev->stats.rx_over_errors = np->estats.rx_over_errors;
dev->stats.rx_errors = np->estats.rx_errors_total;
dev->stats.tx_errors = np->estats.tx_errors_total;
}
return &np->stats;
return &dev->stats;
}
/*
@ -1733,7 +1733,7 @@ static void nv_drain_tx(struct net_device *dev)
np->tx_ring.ex[i].buflow = 0;
}
if (nv_release_txskb(dev, &np->tx_skb[i]))
np->stats.tx_dropped++;
dev->stats.tx_dropped++;
}
}
@ -2049,13 +2049,13 @@ static void nv_tx_done(struct net_device *dev)
if (flags & NV_TX_LASTPACKET) {
if (flags & NV_TX_ERROR) {
if (flags & NV_TX_UNDERFLOW)
np->stats.tx_fifo_errors++;
dev->stats.tx_fifo_errors++;
if (flags & NV_TX_CARRIERLOST)
np->stats.tx_carrier_errors++;
np->stats.tx_errors++;
dev->stats.tx_carrier_errors++;
dev->stats.tx_errors++;
} else {
np->stats.tx_packets++;
np->stats.tx_bytes += np->get_tx_ctx->skb->len;
dev->stats.tx_packets++;
dev->stats.tx_bytes += np->get_tx_ctx->skb->len;
}
dev_kfree_skb_any(np->get_tx_ctx->skb);
np->get_tx_ctx->skb = NULL;
@ -2064,13 +2064,13 @@ static void nv_tx_done(struct net_device *dev)
if (flags & NV_TX2_LASTPACKET) {
if (flags & NV_TX2_ERROR) {
if (flags & NV_TX2_UNDERFLOW)
np->stats.tx_fifo_errors++;
dev->stats.tx_fifo_errors++;
if (flags & NV_TX2_CARRIERLOST)
np->stats.tx_carrier_errors++;
np->stats.tx_errors++;
dev->stats.tx_carrier_errors++;
dev->stats.tx_errors++;
} else {
np->stats.tx_packets++;
np->stats.tx_bytes += np->get_tx_ctx->skb->len;
dev->stats.tx_packets++;
dev->stats.tx_bytes += np->get_tx_ctx->skb->len;
}
dev_kfree_skb_any(np->get_tx_ctx->skb);
np->get_tx_ctx->skb = NULL;
@ -2107,7 +2107,7 @@ static void nv_tx_done_optimized(struct net_device *dev, int limit)
if (flags & NV_TX2_LASTPACKET) {
if (!(flags & NV_TX2_ERROR))
np->stats.tx_packets++;
dev->stats.tx_packets++;
dev_kfree_skb_any(np->get_tx_ctx->skb);
np->get_tx_ctx->skb = NULL;
}
@ -2268,13 +2268,13 @@ static int nv_rx_process(struct net_device *dev, int limit)
{
struct fe_priv *np = netdev_priv(dev);
u32 flags;
u32 rx_processed_cnt = 0;
int rx_work = 0;
struct sk_buff *skb;
int len;
while((np->get_rx.orig != np->put_rx.orig) &&
!((flags = le32_to_cpu(np->get_rx.orig->flaglen)) & NV_RX_AVAIL) &&
(rx_processed_cnt++ < limit)) {
(rx_work < limit)) {
dprintk(KERN_DEBUG "%s: nv_rx_process: flags 0x%x.\n",
dev->name, flags);
@ -2308,7 +2308,7 @@ static int nv_rx_process(struct net_device *dev, int limit)
if (flags & NV_RX_ERROR4) {
len = nv_getlen(dev, skb->data, len);
if (len < 0) {
np->stats.rx_errors++;
dev->stats.rx_errors++;
dev_kfree_skb(skb);
goto next_pkt;
}
@ -2322,12 +2322,12 @@ static int nv_rx_process(struct net_device *dev, int limit)
/* the rest are hard errors */
else {
if (flags & NV_RX_MISSEDFRAME)
np->stats.rx_missed_errors++;
dev->stats.rx_missed_errors++;
if (flags & NV_RX_CRCERR)
np->stats.rx_crc_errors++;
dev->stats.rx_crc_errors++;
if (flags & NV_RX_OVERFLOW)
np->stats.rx_over_errors++;
np->stats.rx_errors++;
dev->stats.rx_over_errors++;
dev->stats.rx_errors++;
dev_kfree_skb(skb);
goto next_pkt;
}
@ -2343,7 +2343,7 @@ static int nv_rx_process(struct net_device *dev, int limit)
if (flags & NV_RX2_ERROR4) {
len = nv_getlen(dev, skb->data, len);
if (len < 0) {
np->stats.rx_errors++;
dev->stats.rx_errors++;
dev_kfree_skb(skb);
goto next_pkt;
}
@ -2357,10 +2357,10 @@ static int nv_rx_process(struct net_device *dev, int limit)
/* the rest are hard errors */
else {
if (flags & NV_RX2_CRCERR)
np->stats.rx_crc_errors++;
dev->stats.rx_crc_errors++;
if (flags & NV_RX2_OVERFLOW)
np->stats.rx_over_errors++;
np->stats.rx_errors++;
dev->stats.rx_over_errors++;
dev->stats.rx_errors++;
dev_kfree_skb(skb);
goto next_pkt;
}
@ -2389,16 +2389,18 @@ static int nv_rx_process(struct net_device *dev, int limit)
netif_rx(skb);
#endif
dev->last_rx = jiffies;
np->stats.rx_packets++;
np->stats.rx_bytes += len;
dev->stats.rx_packets++;
dev->stats.rx_bytes += len;
next_pkt:
if (unlikely(np->get_rx.orig++ == np->last_rx.orig))
np->get_rx.orig = np->first_rx.orig;
if (unlikely(np->get_rx_ctx++ == np->last_rx_ctx))
np->get_rx_ctx = np->first_rx_ctx;
rx_work++;
}
return rx_processed_cnt;
return rx_work;
}
static int nv_rx_process_optimized(struct net_device *dev, int limit)
@ -2505,8 +2507,8 @@ static int nv_rx_process_optimized(struct net_device *dev, int limit)
}
dev->last_rx = jiffies;
np->stats.rx_packets++;
np->stats.rx_bytes += len;
dev->stats.rx_packets++;
dev->stats.rx_bytes += len;
} else {
dev_kfree_skb(skb);
}
@ -3727,7 +3729,7 @@ static void nv_do_stats_poll(unsigned long data)
static void nv_get_drvinfo(struct net_device *dev, struct ethtool_drvinfo *info)
{
struct fe_priv *np = netdev_priv(dev);
strcpy(info->driver, "forcedeth");
strcpy(info->driver, DRV_NAME);
strcpy(info->version, FORCEDETH_VERSION);
strcpy(info->bus_info, pci_name(np->pci_dev));
}
@ -4991,6 +4993,11 @@ static int __devinit nv_probe(struct pci_dev *pci_dev, const struct pci_device_i
u32 phystate_orig = 0, phystate;
int phyinitialized = 0;
DECLARE_MAC_BUF(mac);
static int printed_version;
if (!printed_version++)
printk(KERN_INFO "%s: Reverse Engineered nForce ethernet"
" driver. Version %s.\n", DRV_NAME, FORCEDETH_VERSION);
dev = alloc_etherdev(sizeof(struct fe_priv));
err = -ENOMEM;
@ -5014,11 +5021,8 @@ static int __devinit nv_probe(struct pci_dev *pci_dev, const struct pci_device_i
np->stats_poll.function = &nv_do_stats_poll; /* timer handler */
err = pci_enable_device(pci_dev);
if (err) {
printk(KERN_INFO "forcedeth: pci_enable_dev failed (%d) for device %s\n",
err, pci_name(pci_dev));
if (err)
goto out_free;
}
pci_set_master(pci_dev);
@ -5047,8 +5051,8 @@ static int __devinit nv_probe(struct pci_dev *pci_dev, const struct pci_device_i
}
}
if (i == DEVICE_COUNT_RESOURCE) {
printk(KERN_INFO "forcedeth: Couldn't find register window for device %s.\n",
pci_name(pci_dev));
dev_printk(KERN_INFO, &pci_dev->dev,
"Couldn't find register window\n");
goto out_relreg;
}
@ -5061,16 +5065,14 @@ static int __devinit nv_probe(struct pci_dev *pci_dev, const struct pci_device_i
np->desc_ver = DESC_VER_3;
np->txrxctl_bits = NVREG_TXRXCTL_DESC_3;
if (dma_64bit) {
if (pci_set_dma_mask(pci_dev, DMA_39BIT_MASK)) {
printk(KERN_INFO "forcedeth: 64-bit DMA failed, using 32-bit addressing for device %s.\n",
pci_name(pci_dev));
} else {
if (pci_set_dma_mask(pci_dev, DMA_39BIT_MASK))
dev_printk(KERN_INFO, &pci_dev->dev,
"64-bit DMA failed, using 32-bit addressing\n");
else
dev->features |= NETIF_F_HIGHDMA;
printk(KERN_INFO "forcedeth: using HIGHDMA\n");
}
if (pci_set_consistent_dma_mask(pci_dev, DMA_39BIT_MASK)) {
printk(KERN_INFO "forcedeth: 64-bit DMA (consistent) failed, using 32-bit ring buffers for device %s.\n",
pci_name(pci_dev));
dev_printk(KERN_INFO, &pci_dev->dev,
"64-bit DMA (consistent) failed, using 32-bit ring buffers\n");
}
}
} else if (id->driver_data & DEV_HAS_LARGEDESC) {
@ -5205,9 +5207,11 @@ static int __devinit nv_probe(struct pci_dev *pci_dev, const struct pci_device_i
* Bad mac address. At least one bios sets the mac address
* to 01:23:45:67:89:ab
*/
printk(KERN_ERR "%s: Invalid Mac address detected: %s\n",
pci_name(pci_dev), print_mac(mac, dev->dev_addr));
printk(KERN_ERR "Please complain to your hardware vendor. Switching to a random MAC.\n");
dev_printk(KERN_ERR, &pci_dev->dev,
"Invalid Mac address detected: %s\n",
print_mac(mac, dev->dev_addr));
dev_printk(KERN_ERR, &pci_dev->dev,
"Please complain to your hardware vendor. Switching to a random MAC.\n");
dev->dev_addr[0] = 0x00;
dev->dev_addr[1] = 0x00;
dev->dev_addr[2] = 0x6c;
@ -5321,8 +5325,8 @@ static int __devinit nv_probe(struct pci_dev *pci_dev, const struct pci_device_i
break;
}
if (i == 33) {
printk(KERN_INFO "%s: open: Could not find a valid PHY.\n",
pci_name(pci_dev));
dev_printk(KERN_INFO, &pci_dev->dev,
"open: Could not find a valid PHY.\n");
goto out_error;
}
@ -5344,12 +5348,37 @@ static int __devinit nv_probe(struct pci_dev *pci_dev, const struct pci_device_i
err = register_netdev(dev);
if (err) {
printk(KERN_INFO "forcedeth: unable to register netdev: %d\n", err);
dev_printk(KERN_INFO, &pci_dev->dev,
"unable to register netdev: %d\n", err);
goto out_error;
}
printk(KERN_INFO "%s: forcedeth.c: subsystem: %05x:%04x bound to %s\n",
dev->name, pci_dev->subsystem_vendor, pci_dev->subsystem_device,
pci_name(pci_dev));
dev_printk(KERN_INFO, &pci_dev->dev, "ifname %s, PHY OUI 0x%x @ %d, "
"addr %2.2x:%2.2x:%2.2x:%2.2x:%2.2x:%2.2x\n",
dev->name,
np->phy_oui,
np->phyaddr,
dev->dev_addr[0],
dev->dev_addr[1],
dev->dev_addr[2],
dev->dev_addr[3],
dev->dev_addr[4],
dev->dev_addr[5]);
dev_printk(KERN_INFO, &pci_dev->dev, "%s%s%s%s%s%s%s%s%s%sdesc-v%u\n",
dev->features & NETIF_F_HIGHDMA ? "highdma " : "",
dev->features & (NETIF_F_HW_CSUM | NETIF_F_SG) ?
"csum " : "",
dev->features & (NETIF_F_HW_VLAN_RX | NETIF_F_HW_VLAN_TX) ?
"vlan " : "",
id->driver_data & DEV_HAS_POWER_CNTRL ? "pwrctl " : "",
id->driver_data & DEV_HAS_MGMT_UNIT ? "mgmt " : "",
id->driver_data & DEV_NEED_TIMERIRQ ? "timirq " : "",
np->gigabit == PHY_GIGABIT ? "gbit " : "",
np->need_linktimer ? "lnktim " : "",
np->msi_flags & NV_MSI_CAPABLE ? "msi " : "",
np->msi_flags & NV_MSI_X_CAPABLE ? "msi-x " : "",
np->desc_ver);
return 0;
@ -5567,17 +5596,16 @@ static struct pci_device_id pci_tbl[] = {
};
static struct pci_driver driver = {
.name = "forcedeth",
.id_table = pci_tbl,
.probe = nv_probe,
.remove = __devexit_p(nv_remove),
.suspend = nv_suspend,
.resume = nv_resume,
.name = DRV_NAME,
.id_table = pci_tbl,
.probe = nv_probe,
.remove = __devexit_p(nv_remove),
.suspend = nv_suspend,
.resume = nv_resume,
};
static int __init init_nic(void)
{
printk(KERN_INFO "forcedeth.c: Reverse Engineered nForce ethernet driver. Version %s.\n", FORCEDETH_VERSION);
return pci_register_driver(&driver);
}

7
drivers/net/gianfar.c
View file

@ -1237,8 +1237,6 @@ static int gfar_change_mtu(struct net_device *dev, int new_mtu)
* starting over will fix the problem. */
static void gfar_timeout(struct net_device *dev)
{
struct gfar_private *priv = netdev_priv(dev);
dev->stats.tx_errors++;
if (dev->flags & IFF_UP) {
@ -1344,8 +1342,9 @@ struct sk_buff * gfar_new_skb(struct net_device *dev, struct rxbd8 *bdp)
return skb;
}
static inline void count_errors(unsigned short status, struct gfar_private *priv)
static inline void count_errors(unsigned short status, struct net_device *dev)
{
struct gfar_private *priv = netdev_priv(dev);
struct net_device_stats *stats = &dev->stats;
struct gfar_extra_stats *estats = &priv->extra_stats;
@ -1539,7 +1538,7 @@ int gfar_clean_rx_ring(struct net_device *dev, int rx_work_limit)
dev->stats.rx_bytes += pkt_len;
} else {
count_errors(bdp->status, priv);
count_errors(bdp->status, dev);
if (skb)
dev_kfree_skb_any(skb);

25
drivers/net/ibm_newemac/mal.c
View file

@ -45,6 +45,8 @@ int __devinit mal_register_commac(struct mal_instance *mal,
return -EBUSY;
}
if (list_empty(&mal->list))
napi_enable(&mal->napi);
mal->tx_chan_mask |= commac->tx_chan_mask;
mal->rx_chan_mask |= commac->rx_chan_mask;
list_add(&commac->list, &mal->list);
@ -67,6 +69,8 @@ void __devexit mal_unregister_commac(struct mal_instance *mal,
mal->tx_chan_mask &= ~commac->tx_chan_mask;
mal->rx_chan_mask &= ~commac->rx_chan_mask;
list_del_init(&commac->list);
if (list_empty(&mal->list))
napi_disable(&mal->napi);
spin_unlock_irqrestore(&mal->lock, flags);
}
@ -182,7 +186,7 @@ static inline void mal_enable_eob_irq(struct mal_instance *mal)
set_mal_dcrn(mal, MAL_CFG, get_mal_dcrn(mal, MAL_CFG) | MAL_CFG_EOPIE);
}
/* synchronized by __LINK_STATE_RX_SCHED bit in ndev->state */
/* synchronized by NAPI state */
static inline void mal_disable_eob_irq(struct mal_instance *mal)
{
// XXX might want to cache MAL_CFG as the DCR read can be slooooow
@ -317,8 +321,8 @@ void mal_poll_disable(struct mal_instance *mal, struct mal_commac *commac)
while (test_and_set_bit(MAL_COMMAC_POLL_DISABLED, &commac->flags))
msleep(1);
/* Synchronize with the MAL NAPI poller. */
napi_disable(&mal->napi);
/* Synchronize with the MAL NAPI poller */
__napi_synchronize(&mal->napi);
}
void mal_poll_enable(struct mal_instance *mal, struct mal_commac *commac)
@ -326,7 +330,12 @@ void mal_poll_enable(struct mal_instance *mal, struct mal_commac *commac)
smp_wmb();
clear_bit(MAL_COMMAC_POLL_DISABLED, &commac->flags);
// XXX might want to kick a poll now...
/* Feels better to trigger a poll here to catch up with events that
* may have happened on this channel while disabled. It will most
* probably be delayed until the next interrupt but that's mostly a
* non-issue in the context where this is called.
*/
napi_schedule(&mal->napi);
}
static int mal_poll(struct napi_struct *napi, int budget)
@ -336,8 +345,7 @@ static int mal_poll(struct napi_struct *napi, int budget)
int received = 0;
unsigned long flags;
MAL_DBG2(mal, "poll(%d) %d ->" NL, *budget,
rx_work_limit);
MAL_DBG2(mal, "poll(%d)" NL, budget);
again:
/* Process TX skbs */
list_for_each(l, &mal->poll_list) {
@ -528,11 +536,12 @@ static int __devinit mal_probe(struct of_device *ofdev,
}
INIT_LIST_HEAD(&mal->poll_list);
mal->napi.weight = CONFIG_IBM_NEW_EMAC_POLL_WEIGHT;
mal->napi.poll = mal_poll;
INIT_LIST_HEAD(&mal->list);
spin_lock_init(&mal->lock);
netif_napi_add(NULL, &mal->napi, mal_poll,
CONFIG_IBM_NEW_EMAC_POLL_WEIGHT);
/* Load power-on reset defaults */
mal_reset(mal);

487
drivers/net/skge.c
View file

@ -36,13 +36,15 @@
#include <linux/delay.h>
#include <linux/crc32.h>
#include <linux/dma-mapping.h>
#include <linux/debugfs.h>
#include <linux/seq_file.h>
#include <linux/mii.h>
#include <asm/irq.h>
#include "skge.h"
#define DRV_NAME "skge"
#define DRV_VERSION "1.11"
#define DRV_VERSION "1.12"
#define PFX DRV_NAME " "
#define DEFAULT_TX_RING_SIZE 128
@ -57,7 +59,10 @@
#define TX_WATCHDOG (5 * HZ)
#define NAPI_WEIGHT 64
#define BLINK_MS 250
#define LINK_HZ (HZ/2)
#define LINK_HZ HZ
#define SKGE_EEPROM_MAGIC 0x9933aabb
MODULE_DESCRIPTION("SysKonnect Gigabit Ethernet driver");
MODULE_AUTHOR("Stephen Hemminger <shemminger@linux-foundation.org>");
@ -445,15 +450,15 @@ static struct net_device_stats *skge_get_stats(struct net_device *dev)
else
yukon_get_stats(skge, data);
skge->net_stats.tx_bytes = data[0];
skge->net_stats.rx_bytes = data[1];
skge->net_stats.tx_packets = data[2] + data[4] + data[6];
skge->net_stats.rx_packets = data[3] + data[5] + data[7];
skge->net_stats.multicast = data[3] + data[5];
skge->net_stats.collisions = data[10];
skge->net_stats.tx_aborted_errors = data[12];
dev->stats.tx_bytes = data[0];
dev->stats.rx_bytes = data[1];
dev->stats.tx_packets = data[2] + data[4] + data[6];
dev->stats.rx_packets = data[3] + data[5] + data[7];
dev->stats.multicast = data[3] + data[5];
dev->stats.collisions = data[10];
dev->stats.tx_aborted_errors = data[12];
return &skge->net_stats;
return &dev->stats;
}
static void skge_get_strings(struct net_device *dev, u32 stringset, u8 *data)
@ -798,6 +803,98 @@ static int skge_phys_id(struct net_device *dev, u32 data)
return 0;
}
static int skge_get_eeprom_len(struct net_device *dev)
{
struct skge_port *skge = netdev_priv(dev);
u32 reg2;
pci_read_config_dword(skge->hw->pdev, PCI_DEV_REG2, &reg2);
return 1 << ( ((reg2 & PCI_VPD_ROM_SZ) >> 14) + 8);
}
static u32 skge_vpd_read(struct pci_dev *pdev, int cap, u16 offset)
{
u32 val;
pci_write_config_word(pdev, cap + PCI_VPD_ADDR, offset);
do {
pci_read_config_word(pdev, cap + PCI_VPD_ADDR, &offset);
} while (!(offset & PCI_VPD_ADDR_F));
pci_read_config_dword(pdev, cap + PCI_VPD_DATA, &val);
return val;
}
static void skge_vpd_write(struct pci_dev *pdev, int cap, u16 offset, u32 val)
{
pci_write_config_dword(pdev, cap + PCI_VPD_DATA, val);
pci_write_config_word(pdev, cap + PCI_VPD_ADDR,
offset | PCI_VPD_ADDR_F);
do {
pci_read_config_word(pdev, cap + PCI_VPD_ADDR, &offset);
} while (offset & PCI_VPD_ADDR_F);
}
static int skge_get_eeprom(struct net_device *dev, struct ethtool_eeprom *eeprom,
u8 *data)
{
struct skge_port *skge = netdev_priv(dev);
struct pci_dev *pdev = skge->hw->pdev;
int cap = pci_find_capability(pdev, PCI_CAP_ID_VPD);
int length = eeprom->len;
u16 offset = eeprom->offset;
if (!cap)
return -EINVAL;
eeprom->magic = SKGE_EEPROM_MAGIC;
while (length > 0) {
u32 val = skge_vpd_read(pdev, cap, offset);
int n = min_t(int, length, sizeof(val));
memcpy(data, &val, n);
length -= n;
data += n;
offset += n;
}
return 0;
}
static int skge_set_eeprom(struct net_device *dev, struct ethtool_eeprom *eeprom,
u8 *data)
{
struct skge_port *skge = netdev_priv(dev);
struct pci_dev *pdev = skge->hw->pdev;
int cap = pci_find_capability(pdev, PCI_CAP_ID_VPD);
int length = eeprom->len;
u16 offset = eeprom->offset;
if (!cap)
return -EINVAL;
if (eeprom->magic != SKGE_EEPROM_MAGIC)
return -EINVAL;
while (length > 0) {
u32 val;
int n = min_t(int, length, sizeof(val));
if (n < sizeof(val))
val = skge_vpd_read(pdev, cap, offset);
memcpy(&val, data, n);
skge_vpd_write(pdev, cap, offset, val);
length -= n;
data += n;
offset += n;
}
return 0;
}
static const struct ethtool_ops skge_ethtool_ops = {
.get_settings = skge_get_settings,
.set_settings = skge_set_settings,
@ -810,6 +907,9 @@ static const struct ethtool_ops skge_ethtool_ops = {
.set_msglevel = skge_set_msglevel,
.nway_reset = skge_nway_reset,
.get_link = ethtool_op_get_link,
.get_eeprom_len = skge_get_eeprom_len,
.get_eeprom = skge_get_eeprom,
.set_eeprom = skge_set_eeprom,
.get_ringparam = skge_get_ring_param,
.set_ringparam = skge_set_ring_param,
.get_pauseparam = skge_get_pauseparam,
@ -995,19 +1095,15 @@ static void xm_link_down(struct skge_hw *hw, int port)
{
struct net_device *dev = hw->dev[port];
struct skge_port *skge = netdev_priv(dev);
u16 cmd, msk;
u16 cmd = xm_read16(hw, port, XM_MMU_CMD);
if (hw->phy_type == SK_PHY_XMAC) {
msk = xm_read16(hw, port, XM_IMSK);
msk |= XM_IS_INP_ASS | XM_IS_LIPA_RC | XM_IS_RX_PAGE | XM_IS_AND;
xm_write16(hw, port, XM_IMSK, msk);
}
xm_write16(hw, port, XM_IMSK, XM_IMSK_DISABLE);
cmd = xm_read16(hw, port, XM_MMU_CMD);
cmd &= ~(XM_MMU_ENA_RX | XM_MMU_ENA_TX);
xm_write16(hw, port, XM_MMU_CMD, cmd);
/* dummy read to ensure writing */
(void) xm_read16(hw, port, XM_MMU_CMD);
xm_read16(hw, port, XM_MMU_CMD);
if (netif_carrier_ok(dev))
skge_link_down(skge);
@ -1103,7 +1199,7 @@ static void genesis_reset(struct skge_hw *hw, int port)
/* reset the statistics module */
xm_write32(hw, port, XM_GP_PORT, XM_GP_RES_STAT);
xm_write16(hw, port, XM_IMSK, 0xffff); /* disable XMAC IRQs */
xm_write16(hw, port, XM_IMSK, XM_IMSK_DISABLE);
xm_write32(hw, port, XM_MODE, 0); /* clear Mode Reg */
xm_write16(hw, port, XM_TX_CMD, 0); /* reset TX CMD Reg */
xm_write16(hw, port, XM_RX_CMD, 0); /* reset RX CMD Reg */
@ -1141,7 +1237,7 @@ static void bcom_check_link(struct skge_hw *hw, int port)
u16 status;
/* read twice because of latch */
(void) xm_phy_read(hw, port, PHY_BCOM_STAT);
xm_phy_read(hw, port, PHY_BCOM_STAT);
status = xm_phy_read(hw, port, PHY_BCOM_STAT);
if ((status & PHY_ST_LSYNC) == 0) {
@ -1342,7 +1438,7 @@ static void xm_phy_init(struct skge_port *skge)
mod_timer(&skge->link_timer, jiffies + LINK_HZ);
}
static void xm_check_link(struct net_device *dev)
static int xm_check_link(struct net_device *dev)
{
struct skge_port *skge = netdev_priv(dev);
struct skge_hw *hw = skge->hw;
@ -1350,25 +1446,25 @@ static void xm_check_link(struct net_device *dev)
u16 status;
/* read twice because of latch */
(void) xm_phy_read(hw, port, PHY_XMAC_STAT);
xm_phy_read(hw, port, PHY_XMAC_STAT);
status = xm_phy_read(hw, port, PHY_XMAC_STAT);
if ((status & PHY_ST_LSYNC) == 0) {
xm_link_down(hw, port);
return;
return 0;
}
if (skge->autoneg == AUTONEG_ENABLE) {
u16 lpa, res;
if (!(status & PHY_ST_AN_OVER))
return;
return 0;
lpa = xm_phy_read(hw, port, PHY_XMAC_AUNE_LP);
if (lpa & PHY_B_AN_RF) {
printk(KERN_NOTICE PFX "%s: remote fault\n",
dev->name);
return;
return 0;
}
res = xm_phy_read(hw, port, PHY_XMAC_RES_ABI);
@ -1384,7 +1480,7 @@ static void xm_check_link(struct net_device *dev)
default:
printk(KERN_NOTICE PFX "%s: duplex mismatch\n",
dev->name);
return;
return 0;
}
/* We are using IEEE 802.3z/D5.0 Table 37-4 */
@ -1408,11 +1504,14 @@ static void xm_check_link(struct net_device *dev)
if (!netif_carrier_ok(dev))
genesis_link_up(skge);
return 1;
}
/* Poll to check for link coming up.
*
* Since internal PHY is wired to a level triggered pin, can't
* get an interrupt when carrier is detected.
* get an interrupt when carrier is detected, need to poll for
* link coming up.
*/
static void xm_link_timer(unsigned long arg)
{
@ -1420,29 +1519,35 @@ static void xm_link_timer(unsigned long arg)
struct net_device *dev = skge->netdev;
struct skge_hw *hw = skge->hw;
int port = skge->port;
int i;
unsigned long flags;
if (!netif_running(dev))
return;
if (netif_carrier_ok(dev)) {
xm_read16(hw, port, XM_ISRC);
if (!(xm_read16(hw, port, XM_ISRC) & XM_IS_INP_ASS))
goto nochange;
} else {
if (xm_read32(hw, port, XM_GP_PORT) & XM_GP_INP_ASS)
goto nochange;
xm_read16(hw, port, XM_ISRC);
if (xm_read16(hw, port, XM_ISRC) & XM_IS_INP_ASS)
goto nochange;
spin_lock_irqsave(&hw->phy_lock, flags);
/*
* Verify that the link by checking GPIO register three times.
* This pin has the signal from the link_sync pin connected to it.
*/
for (i = 0; i < 3; i++) {
if (xm_read16(hw, port, XM_GP_PORT) & XM_GP_INP_ASS)
goto link_down;
}
spin_lock(&hw->phy_lock);
xm_check_link(dev);
spin_unlock(&hw->phy_lock);
nochange:
if (netif_running(dev))
mod_timer(&skge->link_timer, jiffies + LINK_HZ);
/* Re-enable interrupt to detect link down */
if (xm_check_link(dev)) {
u16 msk = xm_read16(hw, port, XM_IMSK);
msk &= ~XM_IS_INP_ASS;
xm_write16(hw, port, XM_IMSK, msk);
xm_read16(hw, port, XM_ISRC);
} else {
link_down:
mod_timer(&skge->link_timer,
round_jiffies(jiffies + LINK_HZ));
}
spin_unlock_irqrestore(&hw->phy_lock, flags);
}
static void genesis_mac_init(struct skge_hw *hw, int port)
@ -1679,24 +1784,27 @@ static void genesis_get_stats(struct skge_port *skge, u64 *data)
static void genesis_mac_intr(struct skge_hw *hw, int port)
{
struct skge_port *skge = netdev_priv(hw->dev[port]);
struct net_device *dev = hw->dev[port];
struct skge_port *skge = netdev_priv(dev);
u16 status = xm_read16(hw, port, XM_ISRC);
if (netif_msg_intr(skge))
printk(KERN_DEBUG PFX "%s: mac interrupt status 0x%x\n",
skge->netdev->name, status);
dev->name, status);
if (hw->phy_type == SK_PHY_XMAC &&
(status & (XM_IS_INP_ASS | XM_IS_LIPA_RC)))
xm_link_down(hw, port);
if (hw->phy_type == SK_PHY_XMAC && (status & XM_IS_INP_ASS)) {
xm_link_down(hw, port);
mod_timer(&skge->link_timer, jiffies + 1);
}
if (status & XM_IS_TXF_UR) {
xm_write32(hw, port, XM_MODE, XM_MD_FTF);
++skge->net_stats.tx_fifo_errors;
++dev->stats.tx_fifo_errors;
}
if (status & XM_IS_RXF_OV) {
xm_write32(hw, port, XM_MODE, XM_MD_FRF);
++skge->net_stats.rx_fifo_errors;
++dev->stats.rx_fifo_errors;
}
}
@ -1753,11 +1861,12 @@ static void genesis_link_up(struct skge_port *skge)
}
xm_write32(hw, port, XM_MODE, mode);
msk = XM_DEF_MSK;
if (hw->phy_type != SK_PHY_XMAC)
msk |= XM_IS_INP_ASS; /* disable GP0 interrupt bit */
/* Turn on detection of Tx underrun, Rx overrun */
msk = xm_read16(hw, port, XM_IMSK);
msk &= ~(XM_IS_RXF_OV | XM_IS_TXF_UR);
xm_write16(hw, port, XM_IMSK, msk);
xm_read16(hw, port, XM_ISRC);
/* get MMU Command Reg. */
@ -2192,12 +2301,12 @@ static void yukon_mac_intr(struct skge_hw *hw, int port)
dev->name, status);
if (status & GM_IS_RX_FF_OR) {
++skge->net_stats.rx_fifo_errors;
++dev->stats.rx_fifo_errors;
skge_write8(hw, SK_REG(port, RX_GMF_CTRL_T), GMF_CLI_RX_FO);
}
if (status & GM_IS_TX_FF_UR) {
++skge->net_stats.tx_fifo_errors;
++dev->stats.tx_fifo_errors;
skge_write8(hw, SK_REG(port, TX_GMF_CTRL_T), GMF_CLI_TX_FU);
}
@ -2403,32 +2512,31 @@ static int skge_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd)
return err;
}
static void skge_ramset(struct skge_hw *hw, u16 q, u32 start, size_t len)
/* Assign Ram Buffer allocation to queue */
static void skge_ramset(struct skge_hw *hw, u16 q, u32 start, u32 space)
{
u32 end;
start /= 8;
len /= 8;
end = start + len - 1;
/* convert from K bytes to qwords used for hw register */
start *= 1024/8;
space *= 1024/8;
end = start + space - 1;
skge_write8(hw, RB_ADDR(q, RB_CTRL), RB_RST_CLR);
skge_write32(hw, RB_ADDR(q, RB_START), start);
skge_write32(hw, RB_ADDR(q, RB_END), end);
skge_write32(hw, RB_ADDR(q, RB_WP), start);
skge_write32(hw, RB_ADDR(q, RB_RP), start);
skge_write32(hw, RB_ADDR(q, RB_END), end);
if (q == Q_R1 || q == Q_R2) {
u32 tp = space - space/4;
/* Set thresholds on receive queue's */
skge_write32(hw, RB_ADDR(q, RB_RX_UTPP),
start + (2*len)/3);
skge_write32(hw, RB_ADDR(q, RB_RX_LTPP),
start + (len/3));
} else {
/* Enable store & forward on Tx queue's because
* Tx FIFO is only 4K on Genesis and 1K on Yukon
*/
skge_write32(hw, RB_ADDR(q, RB_RX_UTPP), tp);
skge_write32(hw, RB_ADDR(q, RB_RX_LTPP), space/4);
} else if (hw->chip_id != CHIP_ID_GENESIS)
/* Genesis Tx Fifo is too small for normal store/forward */
skge_write8(hw, RB_ADDR(q, RB_CTRL), RB_ENA_STFWD);
}
skge_write8(hw, RB_ADDR(q, RB_CTRL), RB_ENA_OP_MD);
}
@ -2456,7 +2564,7 @@ static int skge_up(struct net_device *dev)
struct skge_port *skge = netdev_priv(dev);
struct skge_hw *hw = skge->hw;
int port = skge->port;
u32 chunk, ram_addr;
u32 ramaddr, ramsize, rxspace;
size_t rx_size, tx_size;
int err;
@ -2511,14 +2619,15 @@ static int skge_up(struct net_device *dev)
spin_unlock_bh(&hw->phy_lock);
/* Configure RAMbuffers */
chunk = hw->ram_size / ((hw->ports + 1)*2);
ram_addr = hw->ram_offset + 2 * chunk * port;
ramsize = (hw->ram_size - hw->ram_offset) / hw->ports;
ramaddr = hw->ram_offset + port * ramsize;
rxspace = 8 + (2*(ramsize - 16))/3;
skge_ramset(hw, rxqaddr[port], ramaddr, rxspace);
skge_ramset(hw, txqaddr[port], ramaddr + rxspace, ramsize - rxspace);
skge_ramset(hw, rxqaddr[port], ram_addr, chunk);
skge_qset(skge, rxqaddr[port], skge->rx_ring.to_clean);
BUG_ON(skge->tx_ring.to_use != skge->tx_ring.to_clean);
skge_ramset(hw, txqaddr[port], ram_addr+chunk, chunk);
skge_qset(skge, txqaddr[port], skge->tx_ring.to_use);
/* Start receiver BMU */
@ -2544,6 +2653,15 @@ static int skge_up(struct net_device *dev)
return err;
}
/* stop receiver */
static void skge_rx_stop(struct skge_hw *hw, int port)
{
skge_write8(hw, Q_ADDR(rxqaddr[port], Q_CSR), CSR_STOP);
skge_write32(hw, RB_ADDR(port ? Q_R2 : Q_R1, RB_CTRL),
RB_RST_SET|RB_DIS_OP_MD);
skge_write32(hw, Q_ADDR(rxqaddr[port], Q_CSR), CSR_SET_RESET);
}
static int skge_down(struct net_device *dev)
{
struct skge_port *skge = netdev_priv(dev);
@ -2595,11 +2713,8 @@ static int skge_down(struct net_device *dev)
/* Reset the RAM Buffer async Tx queue */
skge_write8(hw, RB_ADDR(port == 0 ? Q_XA1 : Q_XA2, RB_CTRL), RB_RST_SET);
/* stop receiver */
skge_write8(hw, Q_ADDR(rxqaddr[port], Q_CSR), CSR_STOP);
skge_write32(hw, RB_ADDR(port ? Q_R2 : Q_R1, RB_CTRL),
RB_RST_SET|RB_DIS_OP_MD);
skge_write32(hw, Q_ADDR(rxqaddr[port], Q_CSR), CSR_SET_RESET);
skge_rx_stop(hw, port);
if (hw->chip_id == CHIP_ID_GENESIS) {
skge_write8(hw, SK_REG(port, TX_MFF_CTRL2), MFF_RST_SET);
@ -2782,7 +2897,11 @@ static void skge_tx_timeout(struct net_device *dev)
static int skge_change_mtu(struct net_device *dev, int new_mtu)
{
struct skge_port *skge = netdev_priv(dev);
struct skge_hw *hw = skge->hw;
int port = skge->port;
int err;
u16 ctl, reg;
if (new_mtu < ETH_ZLEN || new_mtu > ETH_JUMBO_MTU)
return -EINVAL;
@ -2792,13 +2911,40 @@ static int skge_change_mtu(struct net_device *dev, int new_mtu)
return 0;
}
skge_down(dev);
skge_write32(hw, B0_IMSK, 0);
dev->trans_start = jiffies; /* prevent tx timeout */
netif_stop_queue(dev);
napi_disable(&skge->napi);
ctl = gma_read16(hw, port, GM_GP_CTRL);
gma_write16(hw, port, GM_GP_CTRL, ctl & ~GM_GPCR_RX_ENA);
skge_rx_clean(skge);
skge_rx_stop(hw, port);
dev->mtu = new_mtu;
err = skge_up(dev);
reg = GM_SMOD_VLAN_ENA | IPG_DATA_VAL(IPG_DATA_DEF);
if (new_mtu > 1500)
reg |= GM_SMOD_JUMBO_ENA;
gma_write16(hw, port, GM_SERIAL_MODE, reg);
skge_write8(hw, RB_ADDR(rxqaddr[port], RB_CTRL), RB_ENA_OP_MD);
err = skge_rx_fill(dev);
wmb();
if (!err)
skge_write8(hw, Q_ADDR(rxqaddr[port], Q_CSR), CSR_START | CSR_IRQ_CL_F);
skge_write32(hw, B0_IMSK, hw->intr_mask);
if (err)
dev_close(dev);
else {
gma_write16(hw, port, GM_GP_CTRL, ctl);
napi_enable(&skge->napi);
netif_wake_queue(dev);
}
return err;
}
@ -2994,18 +3140,18 @@ error:
if (skge->hw->chip_id == CHIP_ID_GENESIS) {
if (status & (XMR_FS_RUNT|XMR_FS_LNG_ERR))
skge->net_stats.rx_length_errors++;
dev->stats.rx_length_errors++;
if (status & XMR_FS_FRA_ERR)
skge->net_stats.rx_frame_errors++;
dev->stats.rx_frame_errors++;
if (status & XMR_FS_FCS_ERR)
skge->net_stats.rx_crc_errors++;
dev->stats.rx_crc_errors++;
} else {
if (status & (GMR_FS_LONG_ERR|GMR_FS_UN_SIZE))
skge->net_stats.rx_length_errors++;
dev->stats.rx_length_errors++;
if (status & GMR_FS_FRAGMENT)
skge->net_stats.rx_frame_errors++;
dev->stats.rx_frame_errors++;
if (status & GMR_FS_CRC_ERR)
skge->net_stats.rx_crc_errors++;
dev->stats.rx_crc_errors++;
}
resubmit:
@ -3103,10 +3249,7 @@ static void skge_mac_parity(struct skge_hw *hw, int port)
{
struct net_device *dev = hw->dev[port];
if (dev) {
struct skge_port *skge = netdev_priv(dev);
++skge->net_stats.tx_heartbeat_errors;
}
++dev->stats.tx_heartbeat_errors;
if (hw->chip_id == CHIP_ID_GENESIS)
skge_write16(hw, SK_REG(port, TX_MFF_CTRL1),
@ -3259,9 +3402,7 @@ static irqreturn_t skge_intr(int irq, void *dev_id)
skge_write16(hw, B3_PA_CTRL, PA_CLR_TO_TX1);
if (status & IS_PA_TO_RX1) {
struct skge_port *skge = netdev_priv(hw->dev[0]);
++skge->net_stats.rx_over_errors;
++hw->dev[0]->stats.rx_over_errors;
skge_write16(hw, B3_PA_CTRL, PA_CLR_TO_RX1);
}
@ -3278,7 +3419,7 @@ static irqreturn_t skge_intr(int irq, void *dev_id)
}
if (status & IS_PA_TO_RX2) {
++skge->net_stats.rx_over_errors;
++hw->dev[1]->stats.rx_over_errors;
skge_write16(hw, B3_PA_CTRL, PA_CLR_TO_RX2);
}
@ -3450,15 +3591,12 @@ static int skge_reset(struct skge_hw *hw)
if (hw->chip_id == CHIP_ID_GENESIS) {
if (t8 == 3) {
/* special case: 4 x 64k x 36, offset = 0x80000 */
hw->ram_size = 0x100000;
hw->ram_offset = 0x80000;
hw->ram_size = 1024;
hw->ram_offset = 512;
} else
hw->ram_size = t8 * 512;
}
else if (t8 == 0)
hw->ram_size = 0x20000;
else
hw->ram_size = t8 * 4096;
} else /* Yukon */
hw->ram_size = t8 ? t8 * 4 : 128;
hw->intr_mask = IS_HW_ERR;
@ -3540,6 +3678,145 @@ static int skge_reset(struct skge_hw *hw)
return 0;
}
#ifdef CONFIG_SKGE_DEBUG
static struct dentry *skge_debug;
static int skge_debug_show(struct seq_file *seq, void *v)
{
struct net_device *dev = seq->private;
const struct skge_port *skge = netdev_priv(dev);
const struct skge_hw *hw = skge->hw;
const struct skge_element *e;
if (!netif_running(dev))
return -ENETDOWN;
seq_printf(seq, "IRQ src=%x mask=%x\n", skge_read32(hw, B0_ISRC),
skge_read32(hw, B0_IMSK));
seq_printf(seq, "Tx Ring: (%d)\n", skge_avail(&skge->tx_ring));
for (e = skge->tx_ring.to_clean; e != skge->tx_ring.to_use; e = e->next) {
const struct skge_tx_desc *t = e->desc;
seq_printf(seq, "%#x dma=%#x%08x %#x csum=%#x/%x/%x\n",
t->control, t->dma_hi, t->dma_lo, t->status,
t->csum_offs, t->csum_write, t->csum_start);
}
seq_printf(seq, "\nRx Ring: \n");
for (e = skge->rx_ring.to_clean; ; e = e->next) {
const struct skge_rx_desc *r = e->desc;
if (r->control & BMU_OWN)
break;
seq_printf(seq, "%#x dma=%#x%08x %#x %#x csum=%#x/%x\n",
r->control, r->dma_hi, r->dma_lo, r->status,
r->timestamp, r->csum1, r->csum1_start);
}
return 0;
}
static int skge_debug_open(struct inode *inode, struct file *file)
{
return single_open(file, skge_debug_show, inode->i_private);
}
static const struct file_operations skge_debug_fops = {
.owner = THIS_MODULE,
.open = skge_debug_open,
.read = seq_read,
.llseek = seq_lseek,
.release = single_release,
};
/*
* Use network device events to create/remove/rename
* debugfs file entries
*/
static int skge_device_event(struct notifier_block *unused,
unsigned long event, void *ptr)
{
struct net_device *dev = ptr;
struct skge_port *skge;
struct dentry *d;
if (dev->open != &skge_up || !skge_debug)
goto done;
skge = netdev_priv(dev);
switch(event) {
case NETDEV_CHANGENAME:
if (skge->debugfs) {
d = debugfs_rename(skge_debug, skge->debugfs,
skge_debug, dev->name);
if (d)
skge->debugfs = d;
else {
pr_info(PFX "%s: rename failed\n", dev->name);
debugfs_remove(skge->debugfs);
}
}
break;
case NETDEV_GOING_DOWN:
if (skge->debugfs) {
debugfs_remove(skge->debugfs);
skge->debugfs = NULL;
}
break;
case NETDEV_UP:
d = debugfs_create_file(dev->name, S_IRUGO,
skge_debug, dev,
&skge_debug_fops);
if (!d || IS_ERR(d))
pr_info(PFX "%s: debugfs create failed\n",
dev->name);
else
skge->debugfs = d;
break;
}
done:
return NOTIFY_DONE;
}
static struct notifier_block skge_notifier = {
.notifier_call = skge_device_event,
};
static __init void skge_debug_init(void)
{
struct dentry *ent;
ent = debugfs_create_dir("skge", NULL);
if (!ent || IS_ERR(ent)) {
pr_info(PFX "debugfs create directory failed\n");
return;
}
skge_debug = ent;
register_netdevice_notifier(&skge_notifier);
}
static __exit void skge_debug_cleanup(void)
{
if (skge_debug) {
unregister_netdevice_notifier(&skge_notifier);
debugfs_remove(skge_debug);
skge_debug = NULL;
}
}
#else
#define skge_debug_init()
#define skge_debug_cleanup()
#endif
/* Initialize network device */
static struct net_device *skge_devinit(struct skge_hw *hw, int port,
int highmem)
@ -3904,12 +4181,14 @@ static struct pci_driver skge_driver = {
static int __init skge_init_module(void)
{
skge_debug_init();
return pci_register_driver(&skge_driver);
}
static void __exit skge_cleanup_module(void)
{
pci_unregister_driver(&skge_driver);
skge_debug_cleanup();
}
module_init(skge_init_module);

17
drivers/net/skge.h
View file

@ -1,5 +1,5 @@
/*
* Definitions for the new Marvell Yukon / SysKonenct driver.
* Definitions for the new Marvell Yukon / SysKonnect driver.
*/
#ifndef _SKGE_H
#define _SKGE_H
@ -8,8 +8,10 @@
#define PCI_DEV_REG1 0x40
#define PCI_PHY_COMA 0x8000000
#define PCI_VIO 0x2000000
#define PCI_DEV_REG2 0x44
#define PCI_REV_DESC 0x4
#define PCI_VPD_ROM_SZ 7L<<14 /* VPD ROM size 0=256, 1=512, ... */
#define PCI_REV_DESC 1<<2 /* Reverse Descriptor bytes */
#define PCI_STATUS_ERROR_BITS (PCI_STATUS_DETECTED_PARITY | \
PCI_STATUS_SIG_SYSTEM_ERROR | \
@ -2191,12 +2193,10 @@ enum {
XM_IS_TXF_UR = 1<<2, /* Bit 2: Transmit FIFO Underrun */
XM_IS_TX_COMP = 1<<1, /* Bit 1: Frame Tx Complete */
XM_IS_RX_COMP = 1<<0, /* Bit 0: Frame Rx Complete */
XM_IMSK_DISABLE = 0xffff,
};
#define XM_DEF_MSK (~(XM_IS_INP_ASS | XM_IS_LIPA_RC | \
XM_IS_RXF_OV | XM_IS_TXF_UR))
/* XM_HW_CFG 16 bit r/w Hardware Config Register */
enum {
XM_HW_GEN_EOP = 1<<3, /* Bit 3: generate End of Packet pulse */
@ -2469,8 +2469,9 @@ struct skge_port {
void *mem; /* PCI memory for rings */
dma_addr_t dma;
unsigned long mem_size;
struct net_device_stats net_stats;
#ifdef CONFIG_SKGE_DEBUG
struct dentry *debugfs;
#endif
};

2
drivers/net/tokenring/3c359.c
View file

@ -760,7 +760,7 @@ static int xl_open_hw(struct net_device *dev)
if (xl_priv->xl_laa[0]) { /* If using a LAA address */
for (i=10;i<16;i++) {
writel( (MEM_BYTE_WRITE | 0xD0000 | xl_priv->srb) + i, xl_mmio + MMIO_MAC_ACCESS_CMD) ;
writeb(xl_priv->xl_laa[i],xl_mmio + MMIO_MACDATA) ;
writeb(xl_priv->xl_laa[i-10],xl_mmio + MMIO_MACDATA) ;
}
memcpy(dev->dev_addr,xl_priv->xl_laa,dev->addr_len) ;
} else { /* Regular hardware address */