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path: root/drivers/net/forcedeth.c
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Diffstat (limited to 'drivers/net/forcedeth.c')
-rw-r--r--drivers/net/forcedeth.c167
1 files changed, 129 insertions, 38 deletions
diff --git a/drivers/net/forcedeth.c b/drivers/net/forcedeth.c
index 5b910cf63740..021308f9f0c7 100644
--- a/drivers/net/forcedeth.c
+++ b/drivers/net/forcedeth.c
@@ -39,7 +39,7 @@
* DEV_NEED_TIMERIRQ will not harm you on sane hardware, only generating a few
* superfluous timer interrupts from the nic.
*/
-#define FORCEDETH_VERSION "0.62"
+#define FORCEDETH_VERSION "0.63"
#define DRV_NAME "forcedeth"
#include <linux/module.h>
@@ -102,7 +102,7 @@
enum {
NvRegIrqStatus = 0x000,
#define NVREG_IRQSTAT_MIIEVENT 0x040
-#define NVREG_IRQSTAT_MASK 0x81ff
+#define NVREG_IRQSTAT_MASK 0x83ff
NvRegIrqMask = 0x004,
#define NVREG_IRQ_RX_ERROR 0x0001
#define NVREG_IRQ_RX 0x0002
@@ -113,7 +113,7 @@ enum {
#define NVREG_IRQ_LINK 0x0040
#define NVREG_IRQ_RX_FORCED 0x0080
#define NVREG_IRQ_TX_FORCED 0x0100
-#define NVREG_IRQ_RECOVER_ERROR 0x8000
+#define NVREG_IRQ_RECOVER_ERROR 0x8200
#define NVREG_IRQMASK_THROUGHPUT 0x00df
#define NVREG_IRQMASK_CPU 0x0060
#define NVREG_IRQ_TX_ALL (NVREG_IRQ_TX_ERR|NVREG_IRQ_TX_OK|NVREG_IRQ_TX_FORCED)
@@ -157,6 +157,9 @@ enum {
#define NVREG_XMITCTL_HOST_SEMA_ACQ 0x0000f000
#define NVREG_XMITCTL_HOST_LOADED 0x00004000
#define NVREG_XMITCTL_TX_PATH_EN 0x01000000
+#define NVREG_XMITCTL_DATA_START 0x00100000
+#define NVREG_XMITCTL_DATA_READY 0x00010000
+#define NVREG_XMITCTL_DATA_ERROR 0x00020000
NvRegTransmitterStatus = 0x088,
#define NVREG_XMITSTAT_BUSY 0x01
@@ -289,8 +292,10 @@ enum {
#define NVREG_WAKEUPFLAGS_ACCEPT_LINKCHANGE 0x04
#define NVREG_WAKEUPFLAGS_ENABLE 0x1111
- NvRegPatternCRC = 0x204,
- NvRegPatternMask = 0x208,
+ NvRegMgmtUnitGetVersion = 0x204,
+#define NVREG_MGMTUNITGETVERSION 0x01
+ NvRegMgmtUnitVersion = 0x208,
+#define NVREG_MGMTUNITVERSION 0x08
NvRegPowerCap = 0x268,
#define NVREG_POWERCAP_D3SUPP (1<<30)
#define NVREG_POWERCAP_D2SUPP (1<<26)
@@ -303,6 +308,8 @@ enum {
#define NVREG_POWERSTATE_D1 0x0001
#define NVREG_POWERSTATE_D2 0x0002
#define NVREG_POWERSTATE_D3 0x0003
+ NvRegMgmtUnitControl = 0x278,
+#define NVREG_MGMTUNITCONTROL_INUSE 0x20000
NvRegTxCnt = 0x280,
NvRegTxZeroReXmt = 0x284,
NvRegTxOneReXmt = 0x288,
@@ -582,6 +589,9 @@ union ring_type {
#define NV_MSI_X_VECTOR_TX 0x1
#define NV_MSI_X_VECTOR_OTHER 0x2
+#define NV_MSI_PRIV_OFFSET 0x68
+#define NV_MSI_PRIV_VALUE 0xffffffff
+
#define NV_RESTART_TX 0x1
#define NV_RESTART_RX 0x2
@@ -758,6 +768,8 @@ struct fe_priv {
u32 register_size;
int rx_csum;
u32 mac_in_use;
+ int mgmt_version;
+ int mgmt_sema;
void __iomem *base;
@@ -812,6 +824,11 @@ struct fe_priv {
/* power saved state */
u32 saved_config_space[NV_PCI_REGSZ_MAX/4];
+
+ /* for different msi-x irq type */
+ char name_rx[IFNAMSIZ + 3]; /* -rx */
+ char name_tx[IFNAMSIZ + 3]; /* -tx */
+ char name_other[IFNAMSIZ + 6]; /* -other */
};
/*
@@ -857,7 +874,7 @@ enum {
NV_MSIX_INT_DISABLED,
NV_MSIX_INT_ENABLED
};
-static int msix = NV_MSIX_INT_DISABLED;
+static int msix = NV_MSIX_INT_ENABLED;
/*
* DMA 64bit
@@ -1760,7 +1777,7 @@ static void nv_do_rx_refill(unsigned long data)
struct fe_priv *np = netdev_priv(dev);
/* Just reschedule NAPI rx processing */
- netif_rx_schedule(&np->napi);
+ napi_schedule(&np->napi);
}
#else
static void nv_do_rx_refill(unsigned long data)
@@ -3406,7 +3423,7 @@ static irqreturn_t nv_nic_irq(int foo, void *data)
#ifdef CONFIG_FORCEDETH_NAPI
if (events & NVREG_IRQ_RX_ALL) {
spin_lock(&np->lock);
- netif_rx_schedule(&np->napi);
+ napi_schedule(&np->napi);
/* Disable furthur receive irq's */
np->irqmask &= ~NVREG_IRQ_RX_ALL;
@@ -3523,7 +3540,7 @@ static irqreturn_t nv_nic_irq_optimized(int foo, void *data)
#ifdef CONFIG_FORCEDETH_NAPI
if (events & NVREG_IRQ_RX_ALL) {
spin_lock(&np->lock);
- netif_rx_schedule(&np->napi);
+ napi_schedule(&np->napi);
/* Disable furthur receive irq's */
np->irqmask &= ~NVREG_IRQ_RX_ALL;
@@ -3680,7 +3697,7 @@ static int nv_napi_poll(struct napi_struct *napi, int budget)
/* re-enable receive interrupts */
spin_lock_irqsave(&np->lock, flags);
- __netif_rx_complete(napi);
+ __napi_complete(napi);
np->irqmask |= NVREG_IRQ_RX_ALL;
if (np->msi_flags & NV_MSI_X_ENABLED)
@@ -3703,13 +3720,13 @@ static irqreturn_t nv_nic_irq_rx(int foo, void *data)
u32 events;
events = readl(base + NvRegMSIXIrqStatus) & NVREG_IRQ_RX_ALL;
- writel(NVREG_IRQ_RX_ALL, base + NvRegMSIXIrqStatus);
if (events) {
- netif_rx_schedule(&np->napi);
/* disable receive interrupts on the nic */
writel(NVREG_IRQ_RX_ALL, base + NvRegIrqMask);
pci_push(base);
+ writel(NVREG_IRQ_RX_ALL, base + NvRegMSIXIrqStatus);
+ napi_schedule(&np->napi);
}
return IRQ_HANDLED;
}
@@ -3918,21 +3935,27 @@ static int nv_request_irq(struct net_device *dev, int intr_test)
np->msi_flags |= NV_MSI_X_ENABLED;
if (optimization_mode == NV_OPTIMIZATION_MODE_THROUGHPUT && !intr_test) {
/* Request irq for rx handling */
- if (request_irq(np->msi_x_entry[NV_MSI_X_VECTOR_RX].vector, &nv_nic_irq_rx, IRQF_SHARED, dev->name, dev) != 0) {
+ sprintf(np->name_rx, "%s-rx", dev->name);
+ if (request_irq(np->msi_x_entry[NV_MSI_X_VECTOR_RX].vector,
+ &nv_nic_irq_rx, IRQF_SHARED, np->name_rx, dev) != 0) {
printk(KERN_INFO "forcedeth: request_irq failed for rx %d\n", ret);
pci_disable_msix(np->pci_dev);
np->msi_flags &= ~NV_MSI_X_ENABLED;
goto out_err;
}
/* Request irq for tx handling */
- if (request_irq(np->msi_x_entry[NV_MSI_X_VECTOR_TX].vector, &nv_nic_irq_tx, IRQF_SHARED, dev->name, dev) != 0) {
+ sprintf(np->name_tx, "%s-tx", dev->name);
+ if (request_irq(np->msi_x_entry[NV_MSI_X_VECTOR_TX].vector,
+ &nv_nic_irq_tx, IRQF_SHARED, np->name_tx, dev) != 0) {
printk(KERN_INFO "forcedeth: request_irq failed for tx %d\n", ret);
pci_disable_msix(np->pci_dev);
np->msi_flags &= ~NV_MSI_X_ENABLED;
goto out_free_rx;
}
/* Request irq for link and timer handling */
- if (request_irq(np->msi_x_entry[NV_MSI_X_VECTOR_OTHER].vector, &nv_nic_irq_other, IRQF_SHARED, dev->name, dev) != 0) {
+ sprintf(np->name_other, "%s-other", dev->name);
+ if (request_irq(np->msi_x_entry[NV_MSI_X_VECTOR_OTHER].vector,
+ &nv_nic_irq_other, IRQF_SHARED, np->name_other, dev) != 0) {
printk(KERN_INFO "forcedeth: request_irq failed for link %d\n", ret);
pci_disable_msix(np->pci_dev);
np->msi_flags &= ~NV_MSI_X_ENABLED;
@@ -4046,19 +4069,19 @@ static void nv_do_nic_poll(unsigned long data)
mask |= NVREG_IRQ_OTHER;
}
}
- np->nic_poll_irq = 0;
-
/* disable_irq() contains synchronize_irq, thus no irq handler can run now */
if (np->recover_error) {
np->recover_error = 0;
- printk(KERN_INFO "forcedeth: MAC in recoverable error state\n");
+ printk(KERN_INFO "%s: MAC in recoverable error state\n", dev->name);
if (netif_running(dev)) {
netif_tx_lock_bh(dev);
netif_addr_lock(dev);
spin_lock(&np->lock);
/* stop engines */
nv_stop_rxtx(dev);
+ if (np->driver_data & DEV_HAS_POWER_CNTRL)
+ nv_mac_reset(dev);
nv_txrx_reset(dev);
/* drain rx queue */
nv_drain_rxtx(dev);
@@ -4076,6 +4099,11 @@ static void nv_do_nic_poll(unsigned long data)
pci_push(base);
writel(NVREG_TXRXCTL_KICK|np->txrxctl_bits, get_hwbase(dev) + NvRegTxRxControl);
pci_push(base);
+ /* clear interrupts */
+ if (!(np->msi_flags & NV_MSI_X_ENABLED))
+ writel(NVREG_IRQSTAT_MASK, base + NvRegIrqStatus);
+ else
+ writel(NVREG_IRQSTAT_MASK, base + NvRegMSIXIrqStatus);
/* restart rx engine */
nv_start_rxtx(dev);
@@ -4085,11 +4113,11 @@ static void nv_do_nic_poll(unsigned long data)
}
}
-
writel(mask, base + NvRegIrqMask);
pci_push(base);
if (!using_multi_irqs(dev)) {
+ np->nic_poll_irq = 0;
if (nv_optimized(np))
nv_nic_irq_optimized(0, dev);
else
@@ -4100,18 +4128,22 @@ static void nv_do_nic_poll(unsigned long data)
enable_irq_lockdep(np->pci_dev->irq);
} else {
if (np->nic_poll_irq & NVREG_IRQ_RX_ALL) {
+ np->nic_poll_irq &= ~NVREG_IRQ_RX_ALL;
nv_nic_irq_rx(0, dev);
enable_irq_lockdep(np->msi_x_entry[NV_MSI_X_VECTOR_RX].vector);
}
if (np->nic_poll_irq & NVREG_IRQ_TX_ALL) {
+ np->nic_poll_irq &= ~NVREG_IRQ_TX_ALL;
nv_nic_irq_tx(0, dev);
enable_irq_lockdep(np->msi_x_entry[NV_MSI_X_VECTOR_TX].vector);
}
if (np->nic_poll_irq & NVREG_IRQ_OTHER) {
+ np->nic_poll_irq &= ~NVREG_IRQ_OTHER;
nv_nic_irq_other(0, dev);
enable_irq_lockdep(np->msi_x_entry[NV_MSI_X_VECTOR_OTHER].vector);
}
}
+
}
#ifdef CONFIG_NET_POLL_CONTROLLER
@@ -4738,7 +4770,7 @@ static int nv_set_tx_csum(struct net_device *dev, u32 data)
struct fe_priv *np = netdev_priv(dev);
if (np->driver_data & DEV_HAS_CHECKSUM)
- return ethtool_op_set_tx_hw_csum(dev, data);
+ return ethtool_op_set_tx_csum(dev, data);
else
return -EOPNOTSUPP;
}
@@ -5169,6 +5201,7 @@ static void nv_vlan_rx_register(struct net_device *dev, struct vlan_group *grp)
/* The mgmt unit and driver use a semaphore to access the phy during init */
static int nv_mgmt_acquire_sema(struct net_device *dev)
{
+ struct fe_priv *np = netdev_priv(dev);
u8 __iomem *base = get_hwbase(dev);
int i;
u32 tx_ctrl, mgmt_sema;
@@ -5191,8 +5224,10 @@ static int nv_mgmt_acquire_sema(struct net_device *dev)
/* verify that semaphore was acquired */
tx_ctrl = readl(base + NvRegTransmitterControl);
if (((tx_ctrl & NVREG_XMITCTL_HOST_SEMA_MASK) == NVREG_XMITCTL_HOST_SEMA_ACQ) &&
- ((tx_ctrl & NVREG_XMITCTL_MGMT_SEMA_MASK) == NVREG_XMITCTL_MGMT_SEMA_FREE))
+ ((tx_ctrl & NVREG_XMITCTL_MGMT_SEMA_MASK) == NVREG_XMITCTL_MGMT_SEMA_FREE)) {
+ np->mgmt_sema = 1;
return 1;
+ }
else
udelay(50);
}
@@ -5200,6 +5235,51 @@ static int nv_mgmt_acquire_sema(struct net_device *dev)
return 0;
}
+static void nv_mgmt_release_sema(struct net_device *dev)
+{
+ struct fe_priv *np = netdev_priv(dev);
+ u8 __iomem *base = get_hwbase(dev);
+ u32 tx_ctrl;
+
+ if (np->driver_data & DEV_HAS_MGMT_UNIT) {
+ if (np->mgmt_sema) {
+ tx_ctrl = readl(base + NvRegTransmitterControl);
+ tx_ctrl &= ~NVREG_XMITCTL_HOST_SEMA_ACQ;
+ writel(tx_ctrl, base + NvRegTransmitterControl);
+ }
+ }
+}
+
+
+static int nv_mgmt_get_version(struct net_device *dev)
+{
+ struct fe_priv *np = netdev_priv(dev);
+ u8 __iomem *base = get_hwbase(dev);
+ u32 data_ready = readl(base + NvRegTransmitterControl);
+ u32 data_ready2 = 0;
+ unsigned long start;
+ int ready = 0;
+
+ writel(NVREG_MGMTUNITGETVERSION, base + NvRegMgmtUnitGetVersion);
+ writel(data_ready ^ NVREG_XMITCTL_DATA_START, base + NvRegTransmitterControl);
+ start = jiffies;
+ while (time_before(jiffies, start + 5*HZ)) {
+ data_ready2 = readl(base + NvRegTransmitterControl);
+ if ((data_ready & NVREG_XMITCTL_DATA_READY) != (data_ready2 & NVREG_XMITCTL_DATA_READY)) {
+ ready = 1;
+ break;
+ }
+ schedule_timeout_uninterruptible(1);
+ }
+
+ if (!ready || (data_ready2 & NVREG_XMITCTL_DATA_ERROR))
+ return 0;
+
+ np->mgmt_version = readl(base + NvRegMgmtUnitVersion) & NVREG_MGMTUNITVERSION;
+
+ return 1;
+}
+
static int nv_open(struct net_device *dev)
{
struct fe_priv *np = netdev_priv(dev);
@@ -5771,19 +5851,26 @@ static int __devinit nv_probe(struct pci_dev *pci_dev, const struct pci_device_i
if (id->driver_data & DEV_HAS_MGMT_UNIT) {
/* management unit running on the mac? */
- if (readl(base + NvRegTransmitterControl) & NVREG_XMITCTL_SYNC_PHY_INIT) {
- np->mac_in_use = readl(base + NvRegTransmitterControl) & NVREG_XMITCTL_MGMT_ST;
- dprintk(KERN_INFO "%s: mgmt unit is running. mac in use %x.\n", pci_name(pci_dev), np->mac_in_use);
- if (nv_mgmt_acquire_sema(dev)) {
- /* management unit setup the phy already? */
- if ((readl(base + NvRegTransmitterControl) & NVREG_XMITCTL_SYNC_MASK) ==
- NVREG_XMITCTL_SYNC_PHY_INIT) {
- /* phy is inited by mgmt unit */
- phyinitialized = 1;
- dprintk(KERN_INFO "%s: Phy already initialized by mgmt unit.\n", pci_name(pci_dev));
- } else {
- /* we need to init the phy */
- }
+ if ((readl(base + NvRegTransmitterControl) & NVREG_XMITCTL_MGMT_ST) &&
+ (readl(base + NvRegTransmitterControl) & NVREG_XMITCTL_SYNC_PHY_INIT) &&
+ nv_mgmt_acquire_sema(dev) &&
+ nv_mgmt_get_version(dev)) {
+ np->mac_in_use = 1;
+ if (np->mgmt_version > 0) {
+ np->mac_in_use = readl(base + NvRegMgmtUnitControl) & NVREG_MGMTUNITCONTROL_INUSE;
+ }
+ dprintk(KERN_INFO "%s: mgmt unit is running. mac in use %x.\n",
+ pci_name(pci_dev), np->mac_in_use);
+ /* management unit setup the phy already? */
+ if (np->mac_in_use &&
+ ((readl(base + NvRegTransmitterControl) & NVREG_XMITCTL_SYNC_MASK) ==
+ NVREG_XMITCTL_SYNC_PHY_INIT)) {
+ /* phy is inited by mgmt unit */
+ phyinitialized = 1;
+ dprintk(KERN_INFO "%s: Phy already initialized by mgmt unit.\n",
+ pci_name(pci_dev));
+ } else {
+ /* we need to init the phy */
}
}
}
@@ -5945,6 +6032,8 @@ static void __devexit nv_remove(struct pci_dev *pci_dev)
/* restore any phy related changes */
nv_restore_phy(dev);
+ nv_mgmt_release_sema(dev);
+
/* free all structures */
free_rings(dev);
iounmap(get_hwbase(dev));
@@ -5995,6 +6084,8 @@ static int nv_resume(struct pci_dev *pdev)
for (i = 0;i <= np->register_size/sizeof(u32); i++)
writel(np->saved_config_space[i], base+i*sizeof(u32));
+ pci_write_config_dword(pdev, NV_MSI_PRIV_OFFSET, NV_MSI_PRIV_VALUE);
+
netif_device_attach(dev);
if (netif_running(dev)) {
rc = nv_open(dev);
@@ -6057,11 +6148,11 @@ static struct pci_device_id pci_tbl[] = {
},
{ /* CK804 Ethernet Controller */
PCI_DEVICE(PCI_VENDOR_ID_NVIDIA, PCI_DEVICE_ID_NVIDIA_NVENET_8),
- .driver_data = DEV_NEED_TIMERIRQ|DEV_NEED_LINKTIMER|DEV_HAS_LARGEDESC|DEV_HAS_CHECKSUM|DEV_HAS_HIGH_DMA|DEV_HAS_STATISTICS_V1|DEV_NEED_TX_LIMIT,
+ .driver_data = DEV_NEED_LINKTIMER|DEV_HAS_LARGEDESC|DEV_HAS_CHECKSUM|DEV_HAS_HIGH_DMA|DEV_HAS_STATISTICS_V1|DEV_NEED_TX_LIMIT,
},
{ /* CK804 Ethernet Controller */
PCI_DEVICE(PCI_VENDOR_ID_NVIDIA, PCI_DEVICE_ID_NVIDIA_NVENET_9),
- .driver_data = DEV_NEED_TIMERIRQ|DEV_NEED_LINKTIMER|DEV_HAS_LARGEDESC|DEV_HAS_CHECKSUM|DEV_HAS_HIGH_DMA|DEV_HAS_STATISTICS_V1|DEV_NEED_TX_LIMIT,
+ .driver_data = DEV_NEED_LINKTIMER|DEV_HAS_LARGEDESC|DEV_HAS_CHECKSUM|DEV_HAS_HIGH_DMA|DEV_HAS_STATISTICS_V1|DEV_NEED_TX_LIMIT,
},
{ /* MCP04 Ethernet Controller */
PCI_DEVICE(PCI_VENDOR_ID_NVIDIA, PCI_DEVICE_ID_NVIDIA_NVENET_10),
@@ -6081,11 +6172,11 @@ static struct pci_device_id pci_tbl[] = {
},
{ /* MCP55 Ethernet Controller */
PCI_DEVICE(PCI_VENDOR_ID_NVIDIA, PCI_DEVICE_ID_NVIDIA_NVENET_14),
- .driver_data = DEV_NEED_TIMERIRQ|DEV_NEED_LINKTIMER|DEV_HAS_LARGEDESC|DEV_HAS_CHECKSUM|DEV_HAS_HIGH_DMA|DEV_HAS_VLAN|DEV_HAS_MSI|DEV_HAS_MSI_X|DEV_HAS_POWER_CNTRL|DEV_HAS_PAUSEFRAME_TX_V1|DEV_HAS_STATISTICS_V2|DEV_HAS_TEST_EXTENDED|DEV_HAS_MGMT_UNIT|DEV_NEED_TX_LIMIT,
+ .driver_data = DEV_NEED_LINKTIMER|DEV_HAS_LARGEDESC|DEV_HAS_CHECKSUM|DEV_HAS_HIGH_DMA|DEV_HAS_VLAN|DEV_HAS_MSI|DEV_HAS_MSI_X|DEV_HAS_POWER_CNTRL|DEV_HAS_PAUSEFRAME_TX_V1|DEV_HAS_STATISTICS_V2|DEV_HAS_TEST_EXTENDED|DEV_HAS_MGMT_UNIT|DEV_NEED_TX_LIMIT,
},
{ /* MCP55 Ethernet Controller */
PCI_DEVICE(PCI_VENDOR_ID_NVIDIA, PCI_DEVICE_ID_NVIDIA_NVENET_15),
- .driver_data = DEV_NEED_TIMERIRQ|DEV_NEED_LINKTIMER|DEV_HAS_LARGEDESC|DEV_HAS_CHECKSUM|DEV_HAS_HIGH_DMA|DEV_HAS_VLAN|DEV_HAS_MSI|DEV_HAS_MSI_X|DEV_HAS_POWER_CNTRL|DEV_HAS_PAUSEFRAME_TX_V1|DEV_HAS_STATISTICS_V2|DEV_HAS_TEST_EXTENDED|DEV_HAS_MGMT_UNIT|DEV_NEED_TX_LIMIT,
+ .driver_data = DEV_NEED_LINKTIMER|DEV_HAS_LARGEDESC|DEV_HAS_CHECKSUM|DEV_HAS_HIGH_DMA|DEV_HAS_VLAN|DEV_HAS_MSI|DEV_HAS_MSI_X|DEV_HAS_POWER_CNTRL|DEV_HAS_PAUSEFRAME_TX_V1|DEV_HAS_STATISTICS_V2|DEV_HAS_TEST_EXTENDED|DEV_HAS_MGMT_UNIT|DEV_NEED_TX_LIMIT,
},
{ /* MCP61 Ethernet Controller */
PCI_DEVICE(PCI_VENDOR_ID_NVIDIA, PCI_DEVICE_ID_NVIDIA_NVENET_16),
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.