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

* 'upstream-linus' of master.kernel.org:/pub/scm/linux/kernel/git/jgarzik/netdev-2.6:
  [PATCH] forcedeth: fix initialization
  [PATCH] sky2: version 1.2
  [PATCH] sky2: reset function can be devinit
  [PATCH] sky2: use ALIGN() macro
  [PATCH] sky2: add fake idle irq timer
  [PATCH] sky2: reschedule if irq still pending
  [PATCH] bcm43xx: make PIO mode usable
  [PATCH] bcm43xx: add to MAINTAINERS
  [PATCH] softmac: fix SIOCSIWAP
  [PATCH] Fix crash on big-endian systems during scan
  e1000: Update truesize with the length of the packet for packet split
  [PATCH] Fix locking in gianfar
This commit is contained in:
Linus Torvalds 2006-04-26 07:46:19 -07:00
parent bd5838b9cc 86a0f04387
commit 07db8696f5
18 changed files with 354 additions and 147 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

8
MAINTAINERS
View File

@ -421,6 +421,14 @@ L: linux-hams@vger.kernel.org
W: http://www.baycom.org/~tom/ham/ham.html
S: Maintained
BCM43XX WIRELESS DRIVER
P: Michael Buesch
M: mb@bu3sch.de
P: Stefano Brivio
M: st3@riseup.net
W: http://bcm43xx.berlios.de/
S: Maintained
BEFS FILE SYSTEM
P: Sergey S. Kostyliov
M: rathamahata@php4.ru

1
drivers/net/e1000/e1000_main.c
View File

@ -3768,6 +3768,7 @@ e1000_clean_rx_irq_ps(struct e1000_adapter *adapter,
ps_page->ps_page[j] = NULL;
skb->len += length;
skb->data_len += length;
skb->truesize += length;
}
copydone:

79
drivers/net/forcedeth.c
View File

@ -105,6 +105,7 @@
* 0.50: 20 Jan 2006: Add 8021pq tagging support.
* 0.51: 20 Jan 2006: Add 64bit consistent memory allocation for rings.
* 0.52: 20 Jan 2006: Add MSI/MSIX support.
* 0.53: 19 Mar 2006: Fix init from low power mode and add hw reset.
*
* Known bugs:
* We suspect that on some hardware no TX done interrupts are generated.
@ -116,7 +117,7 @@
* DEV_NEED_TIMERIRQ will not harm you on sane hardware, only generating a few
* superfluous timer interrupts from the nic.
*/
#define FORCEDETH_VERSION "0.52"
#define FORCEDETH_VERSION "0.53"
#define DRV_NAME "forcedeth"
#include <linux/module.h>
@ -160,6 +161,7 @@
#define DEV_HAS_VLAN 0x0020 /* device supports vlan tagging and striping */
#define DEV_HAS_MSI 0x0040 /* device supports MSI */
#define DEV_HAS_MSI_X 0x0080 /* device supports MSI-X */
#define DEV_HAS_POWER_CNTRL 0x0100 /* device supports power savings */
enum {
NvRegIrqStatus = 0x000,
@ -203,6 +205,8 @@ enum {
#define NVREG_MISC1_HD 0x02
#define NVREG_MISC1_FORCE 0x3b0f3c
NvRegMacReset = 0x3c,
#define NVREG_MAC_RESET_ASSERT 0x0F3
NvRegTransmitterControl = 0x084,
#define NVREG_XMITCTL_START 0x01
NvRegTransmitterStatus = 0x088,
@ -326,6 +330,10 @@ enum {
NvRegMSIXMap0 = 0x3e0,
NvRegMSIXMap1 = 0x3e4,
NvRegMSIXIrqStatus = 0x3f0,
NvRegPowerState2 = 0x600,
#define NVREG_POWERSTATE2_POWERUP_MASK 0x0F11
#define NVREG_POWERSTATE2_POWERUP_REV_A3 0x0001
};
/* Big endian: should work, but is untested */
@ -414,7 +422,8 @@ typedef union _ring_type {
#define NV_RX3_VLAN_TAG_MASK (0x0000FFFF)
/* Miscelaneous hardware related defines: */
#define NV_PCI_REGSZ 0x270
#define NV_PCI_REGSZ_VER1 0x270
#define NV_PCI_REGSZ_VER2 0x604
/* various timeout delays: all in usec */
#define NV_TXRX_RESET_DELAY 4
@ -431,6 +440,7 @@ typedef union _ring_type {
#define NV_MIIBUSY_DELAY 50
#define NV_MIIPHY_DELAY 10
#define NV_MIIPHY_DELAYMAX 10000
#define NV_MAC_RESET_DELAY 64
#define NV_WAKEUPPATTERNS 5
#define NV_WAKEUPMASKENTRIES 4
@ -552,6 +562,8 @@ struct fe_priv {
u32 desc_ver;
u32 txrxctl_bits;
u32 vlanctl_bits;
u32 driver_data;
u32 register_size;
void __iomem *base;
@ -919,6 +931,24 @@ static void nv_txrx_reset(struct net_device *dev)
pci_push(base);
}
static void nv_mac_reset(struct net_device *dev)
{
struct fe_priv *np = netdev_priv(dev);
u8 __iomem *base = get_hwbase(dev);
dprintk(KERN_DEBUG "%s: nv_mac_reset\n", dev->name);
writel(NVREG_TXRXCTL_BIT2 | NVREG_TXRXCTL_RESET | np->txrxctl_bits, base + NvRegTxRxControl);
pci_push(base);
writel(NVREG_MAC_RESET_ASSERT, base + NvRegMacReset);
pci_push(base);
udelay(NV_MAC_RESET_DELAY);
writel(0, base + NvRegMacReset);
pci_push(base);
udelay(NV_MAC_RESET_DELAY);
writel(NVREG_TXRXCTL_BIT2 | np->txrxctl_bits, base + NvRegTxRxControl);
pci_push(base);
}
/*
* nv_get_stats: dev->get_stats function
* Get latest stats value from the nic.
@ -1331,7 +1361,7 @@ static void nv_tx_timeout(struct net_device *dev)
dev->name, (unsigned long)np->ring_addr,
np->next_tx, np->nic_tx);
printk(KERN_INFO "%s: Dumping tx registers\n", dev->name);
for (i=0;i<0x400;i+= 32) {
for (i=0;i<=np->register_size;i+= 32) {
printk(KERN_INFO "%3x: %08x %08x %08x %08x %08x %08x %08x %08x\n",
i,
readl(base + i + 0), readl(base + i + 4),
@ -2488,11 +2518,11 @@ static int nv_set_settings(struct net_device *dev, struct ethtool_cmd *ecmd)
}
#define FORCEDETH_REGS_VER 1
#define FORCEDETH_REGS_SIZE 0x400 /* 256 32-bit registers */
static int nv_get_regs_len(struct net_device *dev)
{
return FORCEDETH_REGS_SIZE;
struct fe_priv *np = netdev_priv(dev);
return np->register_size;
}
static void nv_get_regs(struct net_device *dev, struct ethtool_regs *regs, void *buf)
@ -2504,7 +2534,7 @@ static void nv_get_regs(struct net_device *dev, struct ethtool_regs *regs, void
regs->version = FORCEDETH_REGS_VER;
spin_lock_irq(&np->lock);
for (i=0;i<FORCEDETH_REGS_SIZE/sizeof(u32);i++)
for (i = 0;i <= np->register_size/sizeof(u32); i++)
rbuf[i] = readl(base + i*sizeof(u32));
spin_unlock_irq(&np->lock);
}
@ -2608,6 +2638,8 @@ static int nv_open(struct net_device *dev)
dprintk(KERN_DEBUG "nv_open: begin\n");
/* 1) erase previous misconfiguration */
if (np->driver_data & DEV_HAS_POWER_CNTRL)
nv_mac_reset(dev);
/* 4.1-1: stop adapter: ignored, 4.3 seems to be overkill */
writel(NVREG_MCASTADDRA_FORCE, base + NvRegMulticastAddrA);
writel(0, base + NvRegMulticastAddrB);
@ -2878,6 +2910,7 @@ static int __devinit nv_probe(struct pci_dev *pci_dev, const struct pci_device_i
unsigned long addr;
u8 __iomem *base;
int err, i;
u32 powerstate;
dev = alloc_etherdev(sizeof(struct fe_priv));
err = -ENOMEM;
@ -2910,6 +2943,11 @@ static int __devinit nv_probe(struct pci_dev *pci_dev, const struct pci_device_i
if (err < 0)
goto out_disable;
if (id->driver_data & (DEV_HAS_VLAN|DEV_HAS_MSI_X|DEV_HAS_POWER_CNTRL))
np->register_size = NV_PCI_REGSZ_VER2;
else
np->register_size = NV_PCI_REGSZ_VER1;
err = -EINVAL;
addr = 0;
for (i = 0; i < DEVICE_COUNT_RESOURCE; i++) {
@ -2918,7 +2956,7 @@ static int __devinit nv_probe(struct pci_dev *pci_dev, const struct pci_device_i
pci_resource_len(pci_dev, i),
pci_resource_flags(pci_dev, i));
if (pci_resource_flags(pci_dev, i) & IORESOURCE_MEM &&
pci_resource_len(pci_dev, i) >= NV_PCI_REGSZ) {
pci_resource_len(pci_dev, i) >= np->register_size) {
addr = pci_resource_start(pci_dev, i);
break;
}
@ -2929,6 +2967,9 @@ static int __devinit nv_probe(struct pci_dev *pci_dev, const struct pci_device_i
goto out_relreg;
}
/* copy of driver data */
np->driver_data = id->driver_data;
/* handle different descriptor versions */
if (id->driver_data & DEV_HAS_HIGH_DMA) {
/* packet format 3: supports 40-bit addressing */
@ -2986,7 +3027,7 @@ static int __devinit nv_probe(struct pci_dev *pci_dev, const struct pci_device_i
}
err = -ENOMEM;
np->base = ioremap(addr, NV_PCI_REGSZ);
np->base = ioremap(addr, np->register_size);
if (!np->base)
goto out_relreg;
dev->base_addr = (unsigned long)np->base;
@ -3062,6 +3103,20 @@ static int __devinit nv_probe(struct pci_dev *pci_dev, const struct pci_device_i
writel(0, base + NvRegWakeUpFlags);
np->wolenabled = 0;
if (id->driver_data & DEV_HAS_POWER_CNTRL) {
u8 revision_id;
pci_read_config_byte(pci_dev, PCI_REVISION_ID, &revision_id);
/* take phy and nic out of low power mode */
powerstate = readl(base + NvRegPowerState2);
powerstate &= ~NVREG_POWERSTATE2_POWERUP_MASK;
if ((id->device == PCI_DEVICE_ID_NVIDIA_NVENET_12 ||
id->device == PCI_DEVICE_ID_NVIDIA_NVENET_13) &&
revision_id >= 0xA3)
powerstate |= NVREG_POWERSTATE2_POWERUP_REV_A3;
writel(powerstate, base + NvRegPowerState2);
}
if (np->desc_ver == DESC_VER_1) {
np->tx_flags = NV_TX_VALID;
} else {
@ -3223,19 +3278,19 @@ static struct pci_device_id pci_tbl[] = {
},
{ /* MCP51 Ethernet Controller */
PCI_DEVICE(PCI_VENDOR_ID_NVIDIA, PCI_DEVICE_ID_NVIDIA_NVENET_12),
.driver_data = DEV_NEED_TIMERIRQ|DEV_NEED_LINKTIMER|DEV_HAS_HIGH_DMA,
.driver_data = DEV_NEED_TIMERIRQ|DEV_NEED_LINKTIMER|DEV_HAS_HIGH_DMA|DEV_HAS_POWER_CNTRL,
},
{ /* MCP51 Ethernet Controller */
PCI_DEVICE(PCI_VENDOR_ID_NVIDIA, PCI_DEVICE_ID_NVIDIA_NVENET_13),
.driver_data = DEV_NEED_TIMERIRQ|DEV_NEED_LINKTIMER|DEV_HAS_HIGH_DMA,
.driver_data = DEV_NEED_TIMERIRQ|DEV_NEED_LINKTIMER|DEV_HAS_HIGH_DMA|DEV_HAS_POWER_CNTRL,
},
{ /* 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,
.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,
},
{ /* 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,
.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,
},
{0,},
};

56
drivers/net/gianfar.c
View File

@ -210,7 +210,8 @@ static int gfar_probe(struct platform_device *pdev)
goto regs_fail;
}
spin_lock_init(&priv->lock);
spin_lock_init(&priv->txlock);
spin_lock_init(&priv->rxlock);
platform_set_drvdata(pdev, dev);
@ -515,11 +516,13 @@ void stop_gfar(struct net_device *dev)
phy_stop(priv->phydev);
/* Lock it down */
spin_lock_irqsave(&priv->lock, flags);
spin_lock_irqsave(&priv->txlock, flags);
spin_lock(&priv->rxlock);
gfar_halt(dev);
spin_unlock_irqrestore(&priv->lock, flags);
spin_unlock(&priv->rxlock);
spin_unlock_irqrestore(&priv->txlock, flags);
/* Free the IRQs */
if (priv->einfo->device_flags & FSL_GIANFAR_DEV_HAS_MULTI_INTR) {
@ -605,14 +608,15 @@ void gfar_start(struct net_device *dev)
tempval |= DMACTRL_INIT_SETTINGS;
gfar_write(&priv->regs->dmactrl, tempval);
/* Clear THLT, so that the DMA starts polling now */
gfar_write(&regs->tstat, TSTAT_CLEAR_THALT);
/* Make sure we aren't stopped */
tempval = gfar_read(&priv->regs->dmactrl);
tempval &= ~(DMACTRL_GRS | DMACTRL_GTS);
gfar_write(&priv->regs->dmactrl, tempval);
/* Clear THLT/RHLT, so that the DMA starts polling now */
gfar_write(&regs->tstat, TSTAT_CLEAR_THALT);
gfar_write(&regs->rstat, RSTAT_CLEAR_RHALT);
/* Unmask the interrupts we look for */
gfar_write(&regs->imask, IMASK_DEFAULT);
}
@ -928,12 +932,13 @@ static int gfar_start_xmit(struct sk_buff *skb, struct net_device *dev)
struct txfcb *fcb = NULL;
struct txbd8 *txbdp;
u16 status;
unsigned long flags;
/* Update transmit stats */
priv->stats.tx_bytes += skb->len;
/* Lock priv now */
spin_lock_irq(&priv->lock);
spin_lock_irqsave(&priv->txlock, flags);
/* Point at the first free tx descriptor */
txbdp = priv->cur_tx;
@ -1004,7 +1009,7 @@ static int gfar_start_xmit(struct sk_buff *skb, struct net_device *dev)
gfar_write(&priv->regs->tstat, TSTAT_CLEAR_THALT);
/* Unlock priv */
spin_unlock_irq(&priv->lock);
spin_unlock_irqrestore(&priv->txlock, flags);
return 0;
}
@ -1049,7 +1054,7 @@ static void gfar_vlan_rx_register(struct net_device *dev,
unsigned long flags;
u32 tempval;
spin_lock_irqsave(&priv->lock, flags);
spin_lock_irqsave(&priv->rxlock, flags);
priv->vlgrp = grp;
@ -1076,7 +1081,7 @@ static void gfar_vlan_rx_register(struct net_device *dev,
gfar_write(&priv->regs->rctrl, tempval);
}
spin_unlock_irqrestore(&priv->lock, flags);
spin_unlock_irqrestore(&priv->rxlock, flags);
}
@ -1085,12 +1090,12 @@ static void gfar_vlan_rx_kill_vid(struct net_device *dev, uint16_t vid)
struct gfar_private *priv = netdev_priv(dev);
unsigned long flags;
spin_lock_irqsave(&priv->lock, flags);
spin_lock_irqsave(&priv->rxlock, flags);
if (priv->vlgrp)
priv->vlgrp->vlan_devices[vid] = NULL;
spin_unlock_irqrestore(&priv->lock, flags);
spin_unlock_irqrestore(&priv->rxlock, flags);
}
@ -1179,7 +1184,7 @@ static irqreturn_t gfar_transmit(int irq, void *dev_id, struct pt_regs *regs)
gfar_write(&priv->regs->ievent, IEVENT_TX_MASK);
/* Lock priv */
spin_lock(&priv->lock);
spin_lock(&priv->txlock);
bdp = priv->dirty_tx;
while ((bdp->status & TXBD_READY) == 0) {
/* If dirty_tx and cur_tx are the same, then either the */
@ -1224,7 +1229,7 @@ static irqreturn_t gfar_transmit(int irq, void *dev_id, struct pt_regs *regs)
else
gfar_write(&priv->regs->txic, 0);
spin_unlock(&priv->lock);
spin_unlock(&priv->txlock);
return IRQ_HANDLED;
}
@ -1305,9 +1310,10 @@ irqreturn_t gfar_receive(int irq, void *dev_id, struct pt_regs *regs)
{
struct net_device *dev = (struct net_device *) dev_id;
struct gfar_private *priv = netdev_priv(dev);
#ifdef CONFIG_GFAR_NAPI
u32 tempval;
#else
unsigned long flags;
#endif
/* Clear IEVENT, so rx interrupt isn't called again
@ -1330,7 +1336,7 @@ irqreturn_t gfar_receive(int irq, void *dev_id, struct pt_regs *regs)
}
#else
spin_lock(&priv->lock);
spin_lock_irqsave(&priv->rxlock, flags);
gfar_clean_rx_ring(dev, priv->rx_ring_size);
/* If we are coalescing interrupts, update the timer */
@ -1341,7 +1347,7 @@ irqreturn_t gfar_receive(int irq, void *dev_id, struct pt_regs *regs)
else
gfar_write(&priv->regs->rxic, 0);
spin_unlock(&priv->lock);
spin_unlock_irqrestore(&priv->rxlock, flags);
#endif
return IRQ_HANDLED;
@ -1490,13 +1496,6 @@ int gfar_clean_rx_ring(struct net_device *dev, int rx_work_limit)
/* Update the current rxbd pointer to be the next one */
priv->cur_rx = bdp;
/* If no packets have arrived since the
* last one we processed, clear the IEVENT RX and
* BSY bits so that another interrupt won't be
* generated when we set IMASK */
if (bdp->status & RXBD_EMPTY)
gfar_write(&priv->regs->ievent, IEVENT_RX_MASK);
return howmany;
}
@ -1516,7 +1515,7 @@ static int gfar_poll(struct net_device *dev, int *budget)
rx_work_limit -= howmany;
*budget -= howmany;
if (rx_work_limit >= 0) {
if (rx_work_limit > 0) {
netif_rx_complete(dev);
/* Clear the halt bit in RSTAT */
@ -1533,7 +1532,8 @@ static int gfar_poll(struct net_device *dev, int *budget)
gfar_write(&priv->regs->rxic, 0);
}
return (rx_work_limit < 0) ? 1 : 0;
/* Return 1 if there's more work to do */
return (rx_work_limit > 0) ? 0 : 1;
}
#endif
@ -1629,7 +1629,7 @@ static void adjust_link(struct net_device *dev)
struct phy_device *phydev = priv->phydev;
int new_state = 0;
spin_lock_irqsave(&priv->lock, flags);
spin_lock_irqsave(&priv->txlock, flags);
if (phydev->link) {
u32 tempval = gfar_read(&regs->maccfg2);
u32 ecntrl = gfar_read(&regs->ecntrl);
@ -1694,7 +1694,7 @@ static void adjust_link(struct net_device *dev)
if (new_state && netif_msg_link(priv))
phy_print_status(phydev);
spin_unlock_irqrestore(&priv->lock, flags);
spin_unlock_irqrestore(&priv->txlock, flags);
}
/* Update the hash table based on the current list of multicast

67
drivers/net/gianfar.h
View File

@ -656,43 +656,62 @@ struct gfar {
* the buffer descriptor determines the actual condition.
*/
struct gfar_private {
/* pointers to arrays of skbuffs for tx and rx */
/* Fields controlled by TX lock */
spinlock_t txlock;
/* Pointer to the array of skbuffs */
struct sk_buff ** tx_skbuff;
struct sk_buff ** rx_skbuff;
/* indices pointing to the next free sbk in skb arrays */
/* next free skb in the array */
u16 skb_curtx;
u16 skb_currx;
/* index of the first skb which hasn't been transmitted
* yet. */
/* First skb in line to be transmitted */
u16 skb_dirtytx;
/* Configuration info for the coalescing features */
unsigned char txcoalescing;
unsigned short txcount;
unsigned short txtime;
/* Buffer descriptor pointers */
struct txbd8 *tx_bd_base; /* First tx buffer descriptor */
struct txbd8 *cur_tx; /* Next free ring entry */
struct txbd8 *dirty_tx; /* First buffer in line
to be transmitted */
unsigned int tx_ring_size;
/* RX Locked fields */
spinlock_t rxlock;
/* skb array and index */
struct sk_buff ** rx_skbuff;
u16 skb_currx;
/* RX Coalescing values */
unsigned char rxcoalescing;
unsigned short rxcount;
unsigned short rxtime;
/* GFAR addresses */
struct rxbd8 *rx_bd_base; /* Base addresses of Rx and Tx Buffers */
struct txbd8 *tx_bd_base;
struct rxbd8 *rx_bd_base; /* First Rx buffers */
struct rxbd8 *cur_rx; /* Next free rx ring entry */
struct txbd8 *cur_tx; /* Next free ring entry */
struct txbd8 *dirty_tx; /* The Ring entry to be freed. */
struct gfar __iomem *regs; /* Pointer to the GFAR memory mapped Registers */
u32 __iomem *hash_regs[16];
int hash_width;
struct net_device_stats stats; /* linux network statistics */
struct gfar_extra_stats extra_stats;
spinlock_t lock;
/* RX parameters */
unsigned int rx_ring_size;
unsigned int rx_buffer_size;
unsigned int rx_stash_size;
unsigned int rx_stash_index;
unsigned int tx_ring_size;
unsigned int rx_ring_size;
struct vlan_group *vlgrp;
/* Unprotected fields */
/* Pointer to the GFAR memory mapped Registers */
struct gfar __iomem *regs;
/* Hash registers and their width */
u32 __iomem *hash_regs[16];
int hash_width;
/* global parameters */
unsigned int fifo_threshold;
unsigned int fifo_starve;
unsigned int fifo_starve_off;
@ -702,13 +721,15 @@ struct gfar_private {
extended_hash:1,
bd_stash_en:1;
unsigned short padding;
struct vlan_group *vlgrp;
/* Info structure initialized by board setup code */
unsigned int interruptTransmit;
unsigned int interruptReceive;
unsigned int interruptError;
/* info structure initialized by platform code */
struct gianfar_platform_data *einfo;
/* PHY stuff */
struct phy_device *phydev;
struct mii_bus *mii_bus;
int oldspeed;
@ -716,6 +737,10 @@ struct gfar_private {
int oldlink;
uint32_t msg_enable;
/* Network Statistics */
struct net_device_stats stats;
struct gfar_extra_stats extra_stats;
};
static inline u32 gfar_read(volatile unsigned __iomem *addr)

20
drivers/net/gianfar_ethtool.c
View File

@ -455,10 +455,14 @@ static int gfar_sringparam(struct net_device *dev, struct ethtool_ringparam *rva
/* Halt TX and RX, and process the frames which
* have already been received */
spin_lock_irqsave(&priv->lock, flags);
spin_lock_irqsave(&priv->txlock, flags);
spin_lock(&priv->rxlock);
gfar_halt(dev);
gfar_clean_rx_ring(dev, priv->rx_ring_size);
spin_unlock_irqrestore(&priv->lock, flags);
spin_unlock(&priv->rxlock);
spin_unlock_irqrestore(&priv->txlock, flags);
/* Now we take down the rings to rebuild them */
stop_gfar(dev);
@ -488,10 +492,14 @@ static int gfar_set_rx_csum(struct net_device *dev, uint32_t data)
/* Halt TX and RX, and process the frames which
* have already been received */
spin_lock_irqsave(&priv->lock, flags);
spin_lock_irqsave(&priv->txlock, flags);
spin_lock(&priv->rxlock);
gfar_halt(dev);
gfar_clean_rx_ring(dev, priv->rx_ring_size);
spin_unlock_irqrestore(&priv->lock, flags);
spin_unlock(&priv->rxlock);
spin_unlock_irqrestore(&priv->txlock, flags);
/* Now we take down the rings to rebuild them */
stop_gfar(dev);
@ -523,7 +531,7 @@ static int gfar_set_tx_csum(struct net_device *dev, uint32_t data)
if (!(priv->einfo->device_flags & FSL_GIANFAR_DEV_HAS_CSUM))
return -EOPNOTSUPP;
spin_lock_irqsave(&priv->lock, flags);
spin_lock_irqsave(&priv->txlock, flags);
gfar_halt(dev);
if (data)
@ -532,7 +540,7 @@ static int gfar_set_tx_csum(struct net_device *dev, uint32_t data)
dev->features &= ~NETIF_F_IP_CSUM;
gfar_start(dev);
spin_unlock_irqrestore(&priv->lock, flags);
spin_unlock_irqrestore(&priv->txlock, flags);
return 0;
}

24
drivers/net/gianfar_sysfs.c
View File

@ -82,7 +82,7 @@ static ssize_t gfar_set_bd_stash(struct class_device *cdev,
else
return count;
spin_lock_irqsave(&priv->lock, flags);
spin_lock_irqsave(&priv->rxlock, flags);
/* Set the new stashing value */
priv->bd_stash_en = new_setting;
@ -96,7 +96,7 @@ static ssize_t gfar_set_bd_stash(struct class_device *cdev,
gfar_write(&priv->regs->attr, temp);
spin_unlock_irqrestore(&priv->lock, flags);
spin_unlock_irqrestore(&priv->rxlock, flags);
return count;
}
@ -118,7 +118,7 @@ static ssize_t gfar_set_rx_stash_size(struct class_device *cdev,
u32 temp;
unsigned long flags;
spin_lock_irqsave(&priv->lock, flags);
spin_lock_irqsave(&priv->rxlock, flags);
if (length > priv->rx_buffer_size)
return count;
@ -142,7 +142,7 @@ static ssize_t gfar_set_rx_stash_size(struct class_device *cdev,
gfar_write(&priv->regs->attr, temp);
spin_unlock_irqrestore(&priv->lock, flags);
spin_unlock_irqrestore(&priv->rxlock, flags);
return count;
}
@ -166,7 +166,7 @@ static ssize_t gfar_set_rx_stash_index(struct class_device *cdev,
u32 temp;
unsigned long flags;
spin_lock_irqsave(&priv->lock, flags);
spin_lock_irqsave(&priv->rxlock, flags);
if (index > priv->rx_stash_size)
return count;
@ -180,7 +180,7 @@ static ssize_t gfar_set_rx_stash_index(struct class_device *cdev,
temp |= ATTRELI_EI(index);
gfar_write(&priv->regs->attreli, flags);
spin_unlock_irqrestore(&priv->lock, flags);
spin_unlock_irqrestore(&priv->rxlock, flags);
return count;
}
@ -205,7 +205,7 @@ static ssize_t gfar_set_fifo_threshold(struct class_device *cdev,
if (length > GFAR_MAX_FIFO_THRESHOLD)
return count;
spin_lock_irqsave(&priv->lock, flags);
spin_lock_irqsave(&priv->txlock, flags);
priv->fifo_threshold = length;
@ -214,7 +214,7 @@ static ssize_t gfar_set_fifo_threshold(struct class_device *cdev,
temp |= length;
gfar_write(&priv->regs->fifo_tx_thr, temp);
spin_unlock_irqrestore(&priv->lock, flags);
spin_unlock_irqrestore(&priv->txlock, flags);
return count;
}
@ -240,7 +240,7 @@ static ssize_t gfar_set_fifo_starve(struct class_device *cdev,
if (num > GFAR_MAX_FIFO_STARVE)
return count;
spin_lock_irqsave(&priv->lock, flags);
spin_lock_irqsave(&priv->txlock, flags);
priv->fifo_starve = num;
@ -249,7 +249,7 @@ static ssize_t gfar_set_fifo_starve(struct class_device *cdev,
temp |= num;
gfar_write(&priv->regs->fifo_tx_starve, temp);
spin_unlock_irqrestore(&priv->lock, flags);
spin_unlock_irqrestore(&priv->txlock, flags);
return count;
}
@ -274,7 +274,7 @@ static ssize_t gfar_set_fifo_starve_off(struct class_device *cdev,
if (num > GFAR_MAX_FIFO_STARVE_OFF)
return count;
spin_lock_irqsave(&priv->lock, flags);
spin_lock_irqsave(&priv->txlock, flags);
priv->fifo_starve_off = num;
@ -283,7 +283,7 @@ static ssize_t gfar_set_fifo_starve_off(struct class_device *cdev,
temp |= num;
gfar_write(&priv->regs->fifo_tx_starve_shutoff, temp);
spin_unlock_irqrestore(&priv->lock, flags);
spin_unlock_irqrestore(&priv->txlock, flags);
return count;
}

52
drivers/net/sky2.c
View File

@ -51,7 +51,7 @@
#include "sky2.h"
#define DRV_NAME "sky2"
#define DRV_VERSION "1.1"
#define DRV_VERSION "1.2"
#define PFX DRV_NAME " "
/*
@ -925,8 +925,7 @@ static inline struct sk_buff *sky2_alloc_skb(unsigned int size, gfp_t gfp_mask)
skb = alloc_skb(size + RX_SKB_ALIGN, gfp_mask);
if (likely(skb)) {
unsigned long p = (unsigned long) skb->data;
skb_reserve(skb,
((p + RX_SKB_ALIGN - 1) & ~(RX_SKB_ALIGN - 1)) - p);
skb_reserve(skb, ALIGN(p, RX_SKB_ALIGN) - p);
}
return skb;
@ -1686,13 +1685,12 @@ static void sky2_tx_timeout(struct net_device *dev)
}
#define roundup(x, y) ((((x)+((y)-1))/(y))*(y))
/* Want receive buffer size to be multiple of 64 bits
* and incl room for vlan and truncation
*/
static inline unsigned sky2_buf_size(int mtu)
{
return roundup(mtu + ETH_HLEN + VLAN_HLEN, 8) + 8;
return ALIGN(mtu + ETH_HLEN + VLAN_HLEN, 8) + 8;
}
static int sky2_change_mtu(struct net_device *dev, int new_mtu)
@ -2086,6 +2084,20 @@ static void sky2_descriptor_error(struct sky2_hw *hw, unsigned port,
}
}
/* If idle then force a fake soft NAPI poll once a second
* to work around cases where sharing an edge triggered interrupt.
*/
static void sky2_idle(unsigned long arg)
{
struct net_device *dev = (struct net_device *) arg;
local_irq_disable();
if (__netif_rx_schedule_prep(dev))
__netif_rx_schedule(dev);
local_irq_enable();
}
static int sky2_poll(struct net_device *dev0, int *budget)
{
struct sky2_hw *hw = ((struct sky2_port *) netdev_priv(dev0))->hw;
@ -2093,6 +2105,7 @@ static int sky2_poll(struct net_device *dev0, int *budget)
int work_done = 0;
u32 status = sky2_read32(hw, B0_Y2_SP_EISR);
restart_poll:
if (unlikely(status & ~Y2_IS_STAT_BMU)) {
if (status & Y2_IS_HW_ERR)
sky2_hw_intr(hw);
@ -2123,7 +2136,7 @@ static int sky2_poll(struct net_device *dev0, int *budget)
}
if (status & Y2_IS_STAT_BMU) {
work_done = sky2_status_intr(hw, work_limit);
work_done += sky2_status_intr(hw, work_limit - work_done);
*budget -= work_done;
dev0->quota -= work_done;
@ -2133,9 +2146,24 @@ static int sky2_poll(struct net_device *dev0, int *budget)
sky2_write32(hw, STAT_CTRL, SC_STAT_CLR_IRQ);
}
netif_rx_complete(dev0);
mod_timer(&hw->idle_timer, jiffies + HZ);
local_irq_disable();
__netif_rx_complete(dev0);
status = sky2_read32(hw, B0_Y2_SP_LISR);
if (unlikely(status)) {
/* More work pending, try and keep going */
if (__netif_rx_schedule_prep(dev0)) {
__netif_rx_reschedule(dev0, work_done);
status = sky2_read32(hw, B0_Y2_SP_EISR);
local_irq_enable();
goto restart_poll;
}
}
local_irq_enable();
return 0;
}
@ -2153,8 +2181,6 @@ static irqreturn_t sky2_intr(int irq, void *dev_id, struct pt_regs *regs)
prefetch(&hw->st_le[hw->st_idx]);
if (likely(__netif_rx_schedule_prep(dev0)))
__netif_rx_schedule(dev0);
else
printk(KERN_DEBUG PFX "irq race detected\n");
return IRQ_HANDLED;
}
@ -2193,7 +2219,7 @@ static inline u32 sky2_clk2us(const struct sky2_hw *hw, u32 clk)
}
static int sky2_reset(struct sky2_hw *hw)
static int __devinit sky2_reset(struct sky2_hw *hw)
{
u16 status;
u8 t8, pmd_type;
@ -3276,6 +3302,8 @@ static int __devinit sky2_probe(struct pci_dev *pdev,
sky2_write32(hw, B0_IMSK, Y2_IS_BASE);
setup_timer(&hw->idle_timer, sky2_idle, (unsigned long) dev);
pci_set_drvdata(pdev, hw);
return 0;
@ -3311,13 +3339,15 @@ static void __devexit sky2_remove(struct pci_dev *pdev)
if (!hw)
return;
del_timer_sync(&hw->idle_timer);
sky2_write32(hw, B0_IMSK, 0);
dev0 = hw->dev[0];
dev1 = hw->dev[1];
if (dev1)
unregister_netdev(dev1);
unregister_netdev(dev0);
sky2_write32(hw, B0_IMSK, 0);
sky2_set_power_state(hw, PCI_D3hot);
sky2_write16(hw, B0_Y2LED, LED_STAT_OFF);
sky2_write8(hw, B0_CTST, CS_RST_SET);

2
drivers/net/sky2.h
View File

@ -1880,6 +1880,8 @@ struct sky2_hw {
struct sky2_status_le *st_le;
u32 st_idx;
dma_addr_t st_dma;
struct timer_list idle_timer;
int msi_detected;
wait_queue_head_t msi_wait;
};

8
drivers/net/wireless/bcm43xx/bcm43xx_dma.h
View File

@ -213,6 +213,14 @@ static inline
void bcm43xx_dma_rx(struct bcm43xx_dmaring *ring)
{
}
static inline
void bcm43xx_dma_tx_suspend(struct bcm43xx_dmaring *ring)
{
}
static inline
void bcm43xx_dma_tx_resume(struct bcm43xx_dmaring *ring)
{
}
#endif /* CONFIG_BCM43XX_DMA */
#endif /* BCM43xx_DMA_H_ */

92
drivers/net/wireless/bcm43xx/bcm43xx_pio.c
View File

@ -27,6 +27,7 @@
#include "bcm43xx_pio.h"
#include "bcm43xx_main.h"
#include "bcm43xx_xmit.h"
#include "bcm43xx_power.h"
#include <linux/delay.h>
@ -44,10 +45,10 @@ static void tx_octet(struct bcm43xx_pioqueue *queue,
bcm43xx_pio_write(queue, BCM43xx_PIO_TXDATA,
octet);
bcm43xx_pio_write(queue, BCM43xx_PIO_TXCTL,
BCM43xx_PIO_TXCTL_WRITEHI);
BCM43xx_PIO_TXCTL_WRITELO);
} else {
bcm43xx_pio_write(queue, BCM43xx_PIO_TXCTL,
BCM43xx_PIO_TXCTL_WRITEHI);
BCM43xx_PIO_TXCTL_WRITELO);
bcm43xx_pio_write(queue, BCM43xx_PIO_TXDATA,
octet);
}
@ -103,7 +104,7 @@ static void tx_complete(struct bcm43xx_pioqueue *queue,
bcm43xx_pio_write(queue, BCM43xx_PIO_TXDATA,
skb->data[skb->len - 1]);
bcm43xx_pio_write(queue, BCM43xx_PIO_TXCTL,
BCM43xx_PIO_TXCTL_WRITEHI |
BCM43xx_PIO_TXCTL_WRITELO |
BCM43xx_PIO_TXCTL_COMPLETE);
} else {
bcm43xx_pio_write(queue, BCM43xx_PIO_TXCTL,
@ -112,9 +113,10 @@ static void tx_complete(struct bcm43xx_pioqueue *queue,
}
static u16 generate_cookie(struct bcm43xx_pioqueue *queue,
int packetindex)
struct bcm43xx_pio_txpacket *packet)
{
u16 cookie = 0x0000;
int packetindex;
/* We use the upper 4 bits for the PIO
* controller ID and the lower 12 bits
@ -135,6 +137,7 @@ static u16 generate_cookie(struct bcm43xx_pioqueue *queue,
default:
assert(0);
}
packetindex = pio_txpacket_getindex(packet);
assert(((u16)packetindex & 0xF000) == 0x0000);
cookie |= (u16)packetindex;
@ -184,7 +187,7 @@ static void pio_tx_write_fragment(struct bcm43xx_pioqueue *queue,
bcm43xx_generate_txhdr(queue->bcm,
&txhdr, skb->data, skb->len,
(packet->xmitted_frags == 0),
generate_cookie(queue, pio_txpacket_getindex(packet)));
generate_cookie(queue, packet));
tx_start(queue);
octets = skb->len + sizeof(txhdr);
@ -241,7 +244,7 @@ static int pio_tx_packet(struct bcm43xx_pio_txpacket *packet)
queue->tx_devq_packets++;
queue->tx_devq_used += octets;
assert(packet->xmitted_frags <= packet->txb->nr_frags);
assert(packet->xmitted_frags < packet->txb->nr_frags);
packet->xmitted_frags++;
packet->xmitted_octets += octets;
}
@ -257,8 +260,14 @@ static void tx_tasklet(unsigned long d)
unsigned long flags;
struct bcm43xx_pio_txpacket *packet, *tmp_packet;
int err;
u16 txctl;
bcm43xx_lock_mmio(bcm, flags);
txctl = bcm43xx_pio_read(queue, BCM43xx_PIO_TXCTL);
if (txctl & BCM43xx_PIO_TXCTL_SUSPEND)
goto out_unlock;
list_for_each_entry_safe(packet, tmp_packet, &queue->txqueue, list) {
assert(packet->xmitted_frags < packet->txb->nr_frags);
if (packet->xmitted_frags == 0) {
@ -288,6 +297,7 @@ static void tx_tasklet(unsigned long d)
next_packet:
continue;
}
out_unlock:
bcm43xx_unlock_mmio(bcm, flags);
}
@ -330,12 +340,19 @@ struct bcm43xx_pioqueue * bcm43xx_setup_pioqueue(struct bcm43xx_private *bcm,
(unsigned long)queue);
value = bcm43xx_read32(bcm, BCM43xx_MMIO_STATUS_BITFIELD);
value |= BCM43xx_SBF_XFER_REG_BYTESWAP;
value &= ~BCM43xx_SBF_XFER_REG_BYTESWAP;
bcm43xx_write32(bcm, BCM43xx_MMIO_STATUS_BITFIELD, value);
qsize = bcm43xx_read16(bcm, queue->mmio_base + BCM43xx_PIO_TXQBUFSIZE);
if (qsize == 0) {
printk(KERN_ERR PFX "ERROR: This card does not support PIO "
"operation mode. Please use DMA mode "
"(module parameter pio=0).\n");
goto err_freequeue;
}
if (qsize <= BCM43xx_PIO_TXQADJUST) {
printk(KERN_ERR PFX "PIO tx device-queue too small (%u)\n", qsize);
printk(KERN_ERR PFX "PIO tx device-queue too small (%u)\n",
qsize);
goto err_freequeue;
}
qsize -= BCM43xx_PIO_TXQADJUST;
@ -444,15 +461,10 @@ int bcm43xx_pio_tx(struct bcm43xx_private *bcm,
{
struct bcm43xx_pioqueue *queue = bcm43xx_current_pio(bcm)->queue1;
struct bcm43xx_pio_txpacket *packet;
u16 tmp;
assert(!queue->tx_suspended);
assert(!list_empty(&queue->txfree));
tmp = bcm43xx_pio_read(queue, BCM43xx_PIO_TXCTL);
if (tmp & BCM43xx_PIO_TXCTL_SUSPEND)
return -EBUSY;
packet = list_entry(queue->txfree.next, struct bcm43xx_pio_txpacket, list);
packet->txb = txb;
packet->xmitted_frags = 0;
@ -462,7 +474,7 @@ int bcm43xx_pio_tx(struct bcm43xx_private *bcm,
assert(queue->nr_txfree < BCM43xx_PIO_MAXTXPACKETS);
/* Suspend TX, if we are out of packets in the "free" queue. */
if (unlikely(list_empty(&queue->txfree))) {
if (list_empty(&queue->txfree)) {
netif_stop_queue(queue->bcm->net_dev);
queue->tx_suspended = 1;
}
@ -480,15 +492,15 @@ void bcm43xx_pio_handle_xmitstatus(struct bcm43xx_private *bcm,
queue = parse_cookie(bcm, status->cookie, &packet);
assert(queue);
//TODO
if (!queue)
return;
free_txpacket(packet, 1);
if (unlikely(queue->tx_suspended)) {
if (queue->tx_suspended) {
queue->tx_suspended = 0;
netif_wake_queue(queue->bcm->net_dev);
}
/* If there are packets on the txqueue, poke the tasklet. */
/* If there are packets on the txqueue, poke the tasklet
* to transmit them.
*/
if (!list_empty(&queue->txqueue))
tasklet_schedule(&queue->txtask);
}
@ -519,12 +531,9 @@ void bcm43xx_pio_rx(struct bcm43xx_pioqueue *queue)
int i, preamble_readwords;
struct sk_buff *skb;
return;
tmp = bcm43xx_pio_read(queue, BCM43xx_PIO_RXCTL);
if (!(tmp & BCM43xx_PIO_RXCTL_DATAAVAILABLE)) {
dprintkl(KERN_ERR PFX "PIO RX: No data available\n");//TODO: remove this printk.
if (!(tmp & BCM43xx_PIO_RXCTL_DATAAVAILABLE))
return;
}
bcm43xx_pio_write(queue, BCM43xx_PIO_RXCTL,
BCM43xx_PIO_RXCTL_DATAAVAILABLE);
@ -538,8 +547,7 @@ return;
return;
data_ready:
//FIXME: endianess in this function.
len = le16_to_cpu(bcm43xx_pio_read(queue, BCM43xx_PIO_RXDATA));
len = bcm43xx_pio_read(queue, BCM43xx_PIO_RXDATA);
if (unlikely(len > 0x700)) {
pio_rx_error(queue, 0, "len > 0x700");
return;
@ -555,7 +563,7 @@ data_ready:
preamble_readwords = 18 / sizeof(u16);
for (i = 0; i < preamble_readwords; i++) {
tmp = bcm43xx_pio_read(queue, BCM43xx_PIO_RXDATA);
preamble[i + 1] = cpu_to_be16(tmp);//FIXME?
preamble[i + 1] = cpu_to_le16(tmp);
}
rxhdr = (struct bcm43xx_rxhdr *)preamble;
rxflags2 = le16_to_cpu(rxhdr->flags2);
@ -591,16 +599,40 @@ data_ready:
}
skb_put(skb, len);
for (i = 0; i < len - 1; i += 2) {
tmp = cpu_to_be16(bcm43xx_pio_read(queue, BCM43xx_PIO_RXDATA));
*((u16 *)(skb->data + i)) = tmp;
tmp = bcm43xx_pio_read(queue, BCM43xx_PIO_RXDATA);
*((u16 *)(skb->data + i)) = cpu_to_le16(tmp);
}
if (len % 2) {
tmp = bcm43xx_pio_read(queue, BCM43xx_PIO_RXDATA);
skb->data[len - 1] = (tmp & 0x00FF);
/* The specs say the following is required, but
* it is wrong and corrupts the PLCP. If we don't do
* this, the PLCP seems to be correct. So ifdef it out for now.
*/
#if 0
if (rxflags2 & BCM43xx_RXHDR_FLAGS2_TYPE2FRAME)
skb->data[0x20] = (tmp & 0xFF00) >> 8;
skb->data[2] = (tmp & 0xFF00) >> 8;
else
skb->data[0x1E] = (tmp & 0xFF00) >> 8;
skb->data[0] = (tmp & 0xFF00) >> 8;
#endif
}
skb_trim(skb, len - IEEE80211_FCS_LEN);
bcm43xx_rx(queue->bcm, skb, rxhdr);
}
void bcm43xx_pio_tx_suspend(struct bcm43xx_pioqueue *queue)
{
bcm43xx_power_saving_ctl_bits(queue->bcm, -1, 1);
bcm43xx_pio_write(queue, BCM43xx_PIO_TXCTL,
bcm43xx_pio_read(queue, BCM43xx_PIO_TXCTL)
| BCM43xx_PIO_TXCTL_SUSPEND);
}
void bcm43xx_pio_tx_resume(struct bcm43xx_pioqueue *queue)
{
bcm43xx_pio_write(queue, BCM43xx_PIO_TXCTL,
bcm43xx_pio_read(queue, BCM43xx_PIO_TXCTL)
& ~BCM43xx_PIO_TXCTL_SUSPEND);
bcm43xx_power_saving_ctl_bits(queue->bcm, -1, -1);
tasklet_schedule(&queue->txtask);
}

16
drivers/net/wireless/bcm43xx/bcm43xx_pio.h
View File

@ -14,8 +14,8 @@
#define BCM43xx_PIO_RXCTL 0x08
#define BCM43xx_PIO_RXDATA 0x0A
#define BCM43xx_PIO_TXCTL_WRITEHI (1 << 0)
#define BCM43xx_PIO_TXCTL_WRITELO (1 << 1)
#define BCM43xx_PIO_TXCTL_WRITELO (1 << 0)
#define BCM43xx_PIO_TXCTL_WRITEHI (1 << 1)
#define BCM43xx_PIO_TXCTL_COMPLETE (1 << 2)
#define BCM43xx_PIO_TXCTL_INIT (1 << 3)
#define BCM43xx_PIO_TXCTL_SUSPEND (1 << 7)
@ -95,6 +95,7 @@ void bcm43xx_pio_write(struct bcm43xx_pioqueue *queue,
u16 offset, u16 value)
{
bcm43xx_write16(queue->bcm, queue->mmio_base + offset, value);
mmiowb();
}
@ -107,6 +108,9 @@ void bcm43xx_pio_handle_xmitstatus(struct bcm43xx_private *bcm,
struct bcm43xx_xmitstatus *status);
void bcm43xx_pio_rx(struct bcm43xx_pioqueue *queue);
void bcm43xx_pio_tx_suspend(struct bcm43xx_pioqueue *queue);
void bcm43xx_pio_tx_resume(struct bcm43xx_pioqueue *queue);
#else /* CONFIG_BCM43XX_PIO */
static inline
@ -133,6 +137,14 @@ static inline
void bcm43xx_pio_rx(struct bcm43xx_pioqueue *queue)
{
}
static inline
void bcm43xx_pio_tx_suspend(struct bcm43xx_pioqueue *queue)
{
}
static inline
void bcm43xx_pio_tx_resume(struct bcm43xx_pioqueue *queue)
{
}
#endif /* CONFIG_BCM43XX_PIO */
#endif /* BCM43xx_PIO_H_ */

4
drivers/net/wireless/hostap/hostap_ioctl.c
View File

@ -1860,7 +1860,7 @@ static char * __prism2_translate_scan(local_info_t *local,
memset(&iwe, 0, sizeof(iwe));
iwe.cmd = SIOCGIWFREQ;
if (scan) {
chan = scan->chid;
chan = le16_to_cpu(scan->chid);
} else if (bss) {
chan = bss->chan;
} else {
@ -1868,7 +1868,7 @@ static char * __prism2_translate_scan(local_info_t *local,
}
if (chan > 0) {
iwe.u.freq.m = freq_list[le16_to_cpu(chan - 1)] * 100000;
iwe.u.freq.m = freq_list[chan - 1] * 100000;
iwe.u.freq.e = 1;
current_ev = iwe_stream_add_event(current_ev, end_buf, &iwe,
IW_EV_FREQ_LEN);

18
include/linux/netdevice.h
View File

@ -829,19 +829,21 @@ static inline void netif_rx_schedule(struct net_device *dev)
__netif_rx_schedule(dev);
}
/* Try to reschedule poll. Called by dev->poll() after netif_rx_complete().
* Do not inline this?
*/
static inline void __netif_rx_reschedule(struct net_device *dev, int undo)
{
dev->quota += undo;
list_add_tail(&dev->poll_list, &__get_cpu_var(softnet_data).poll_list);
__raise_softirq_irqoff(NET_RX_SOFTIRQ);
}
/* Try to reschedule poll. Called by dev->poll() after netif_rx_complete(). */
static inline int netif_rx_reschedule(struct net_device *dev, int undo)
{
if (netif_rx_schedule_prep(dev)) {
unsigned long flags;
dev->quota += undo;
local_irq_save(flags);
list_add_tail(&dev->poll_list, &__get_cpu_var(softnet_data).poll_list);
__raise_softirq_irqoff(NET_RX_SOFTIRQ);
__netif_rx_reschedule(dev, undo);
local_irq_restore(flags);
return 1;
}

5
include/net/ieee80211softmac.h
View File

@ -96,10 +96,13 @@ struct ieee80211softmac_assoc_info {
*
* bssvalid is true if we found a matching network
* and saved it's BSSID into the bssid above.
*
* bssfixed is used for SIOCSIWAP.
*/
u8 static_essid:1,
associating:1,
bssvalid:1;
bssvalid:1,
bssfixed:1;
/* Scan retries remaining */
int scan_retry;

20
net/ieee80211/softmac/ieee80211softmac_assoc.c
View File

@ -144,6 +144,12 @@ network_matches_request(struct ieee80211softmac_device *mac, struct ieee80211_ne
if (!we_support_all_basic_rates(mac, net->rates_ex, net->rates_ex_len))
return 0;
/* assume that users know what they're doing ...
* (note we don't let them select a net we're incompatible with) */
if (mac->associnfo.bssfixed) {
return !memcmp(mac->associnfo.bssid, net->bssid, ETH_ALEN);
}
/* if 'ANY' network requested, take any that doesn't have privacy enabled */
if (mac->associnfo.req_essid.len == 0
&& !(net->capability & WLAN_CAPABILITY_PRIVACY))
@ -176,7 +182,7 @@ ieee80211softmac_assoc_work(void *d)
ieee80211softmac_disassoc(mac, WLAN_REASON_DISASSOC_STA_HAS_LEFT);
/* try to find the requested network in our list, if we found one already */
if (mac->associnfo.bssvalid)
if (mac->associnfo.bssvalid || mac->associnfo.bssfixed)
found = ieee80211softmac_get_network_by_bssid(mac, mac->associnfo.bssid);
/* Search the ieee80211 networks for this network if we didn't find it by bssid,
@ -241,19 +247,25 @@ ieee80211softmac_assoc_work(void *d)
if (ieee80211softmac_start_scan(mac))
dprintk(KERN_INFO PFX "Associate: failed to initiate scan. Is device up?\n");
return;
}
else {
} else {
spin_lock_irqsave(&mac->lock, flags);
mac->associnfo.associating = 0;
mac->associated = 0;
spin_unlock_irqrestore(&mac->lock, flags);
dprintk(KERN_INFO PFX "Unable to find matching network after scan!\n");
/* reset the retry counter for the next user request since we
* break out and don't reschedule ourselves after this point. */
mac->associnfo.scan_retry = IEEE80211SOFTMAC_ASSOC_SCAN_RETRY_LIMIT;
ieee80211softmac_call_events(mac, IEEE80211SOFTMAC_EVENT_ASSOCIATE_NET_NOT_FOUND, NULL);
return;
}
}
/* reset the retry counter for the next user request since we
* now found a net and will try to associate to it, but not
* schedule this function again. */
mac->associnfo.scan_retry = IEEE80211SOFTMAC_ASSOC_SCAN_RETRY_LIMIT;
mac->associnfo.bssvalid = 1;
memcpy(mac->associnfo.bssid, found->bssid, ETH_ALEN);
/* copy the ESSID for displaying it */

2
net/ieee80211/softmac/ieee80211softmac_module.c
View File

@ -45,6 +45,8 @@ struct net_device *alloc_ieee80211softmac(int sizeof_priv)
softmac->ieee->handle_disassoc = ieee80211softmac_handle_disassoc;
softmac->scaninfo = NULL;
softmac->associnfo.scan_retry = IEEE80211SOFTMAC_ASSOC_SCAN_RETRY_LIMIT;
/* TODO: initialise all the other callbacks in the ieee struct
* (once they're written)
*/

27
net/ieee80211/softmac/ieee80211softmac_wx.c
View File

@ -27,7 +27,8 @@
#include "ieee80211softmac_priv.h"
#include <net/iw_handler.h>
/* for is_broadcast_ether_addr and is_zero_ether_addr */
#include <linux/etherdevice.h>
int
ieee80211softmac_wx_trigger_scan(struct net_device *net_dev,
@ -83,7 +84,6 @@ ieee80211softmac_wx_set_essid(struct net_device *net_dev,
sm->associnfo.static_essid = 1;
}
}
sm->associnfo.scan_retry = IEEE80211SOFTMAC_ASSOC_SCAN_RETRY_LIMIT;
/* set our requested ESSID length.
* If applicable, we have already copied the data in */
@ -310,8 +310,6 @@ ieee80211softmac_wx_set_wap(struct net_device *net_dev,
char *extra)
{
struct ieee80211softmac_device *mac = ieee80211_priv(net_dev);
static const unsigned char any[] = {0xff, 0xff, 0xff, 0xff, 0xff, 0xff};
static const unsigned char off[] = {0x00, 0x00, 0x00, 0x00, 0x00, 0x00};
unsigned long flags;
/* sanity check */
@ -320,10 +318,17 @@ ieee80211softmac_wx_set_wap(struct net_device *net_dev,
}
spin_lock_irqsave(&mac->lock, flags);
if (!memcmp(any, data->ap_addr.sa_data, ETH_ALEN) ||
!memcmp(off, data->ap_addr.sa_data, ETH_ALEN)) {
schedule_work(&mac->associnfo.work);
goto out;
if (is_broadcast_ether_addr(data->ap_addr.sa_data)) {
/* the bssid we have is not to be fixed any longer,
* and we should reassociate to the best AP. */
mac->associnfo.bssfixed = 0;
/* force reassociation */
mac->associnfo.bssvalid = 0;
if (mac->associated)
schedule_work(&mac->associnfo.work);
} else if (is_zero_ether_addr(data->ap_addr.sa_data)) {
/* the bssid we have is no longer fixed */
mac->associnfo.bssfixed = 0;
} else {
if (!memcmp(mac->associnfo.bssid, data->ap_addr.sa_data, ETH_ALEN)) {
if (mac->associnfo.associating || mac->associated) {
@ -333,12 +338,14 @@ ieee80211softmac_wx_set_wap(struct net_device *net_dev,
} else {
/* copy new value in data->ap_addr.sa_data to bssid */
memcpy(mac->associnfo.bssid, data->ap_addr.sa_data, ETH_ALEN);
}
}
/* tell the other code that this bssid should be used no matter what */
mac->associnfo.bssfixed = 1;
/* queue associate if new bssid or (old one again and not associated) */
schedule_work(&mac->associnfo.work);
}
out:
out:
spin_unlock_irqrestore(&mac->lock, flags);
return 0;
}