unimore/kernel-hacking-2024-linux-steffo
unimore/kernel-hacking-2024-linux-steffo
1
Fork 0
Code Pull requests 5 Wiki Activity

Merge branch 'upstream' of master.kernel.org:/pub/scm/linux/kernel/git/linville/wireless-2.6 into upstream

Browse source
This commit is contained in:
Jeff Garzik 2007-02-09 16:12:09 -05:00
commit a3cc2de913
9 changed files with 210 additions and 94 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

1
drivers/net/wireless/bcm43xx/bcm43xx.h
View file

@ -771,6 +771,7 @@ struct bcm43xx_private {
* This is currently always BCM43xx_BUSTYPE_PCI
*/
u8 bustype;
u64 dma_mask;
u16 board_vendor;
u16 board_type;

171
drivers/net/wireless/bcm43xx/bcm43xx_dma.c
View file

@ -145,16 +145,14 @@ dma_addr_t map_descbuffer(struct bcm43xx_dmaring *ring,
int tx)
{
dma_addr_t dmaaddr;
int direction = PCI_DMA_FROMDEVICE;
if (tx) {
dmaaddr = dma_map_single(&ring->bcm->pci_dev->dev,
if (tx)
direction = PCI_DMA_TODEVICE;
dmaaddr = pci_map_single(ring->bcm->pci_dev,
buf, len,
DMA_TO_DEVICE);
} else {
dmaaddr = dma_map_single(&ring->bcm->pci_dev->dev,
buf, len,
DMA_FROM_DEVICE);
}
direction);
return dmaaddr;
}
@ -166,13 +164,13 @@ void unmap_descbuffer(struct bcm43xx_dmaring *ring,
int tx)
{
if (tx) {
dma_unmap_single(&ring->bcm->pci_dev->dev,
pci_unmap_single(ring->bcm->pci_dev,
addr, len,
DMA_TO_DEVICE);
PCI_DMA_TODEVICE);
} else {
dma_unmap_single(&ring->bcm->pci_dev->dev,
pci_unmap_single(ring->bcm->pci_dev,
addr, len,
DMA_FROM_DEVICE);
PCI_DMA_FROMDEVICE);
}
}
@ -183,8 +181,8 @@ void sync_descbuffer_for_cpu(struct bcm43xx_dmaring *ring,
{
assert(!ring->tx);
dma_sync_single_for_cpu(&ring->bcm->pci_dev->dev,
addr, len, DMA_FROM_DEVICE);
pci_dma_sync_single_for_cpu(ring->bcm->pci_dev,
addr, len, PCI_DMA_FROMDEVICE);
}
static inline
@ -194,8 +192,8 @@ void sync_descbuffer_for_device(struct bcm43xx_dmaring *ring,
{
assert(!ring->tx);
dma_sync_single_for_device(&ring->bcm->pci_dev->dev,
addr, len, DMA_FROM_DEVICE);
pci_dma_sync_single_for_cpu(ring->bcm->pci_dev,
addr, len, PCI_DMA_TODEVICE);
}
/* Unmap and free a descriptor buffer. */
@ -214,17 +212,53 @@ void free_descriptor_buffer(struct bcm43xx_dmaring *ring,
static int alloc_ringmemory(struct bcm43xx_dmaring *ring)
{
struct device *dev = &(ring->bcm->pci_dev->dev);
ring->descbase = dma_alloc_coherent(dev, BCM43xx_DMA_RINGMEMSIZE,
&(ring->dmabase), GFP_KERNEL);
ring->descbase = pci_alloc_consistent(ring->bcm->pci_dev, BCM43xx_DMA_RINGMEMSIZE,
&(ring->dmabase));
if (!ring->descbase) {
printk(KERN_ERR PFX "DMA ringmemory allocation failed\n");
return -ENOMEM;
/* Allocation may have failed due to pci_alloc_consistent
insisting on use of GFP_DMA, which is more restrictive
than necessary... */
struct dma_desc *rx_ring;
dma_addr_t rx_ring_dma;
rx_ring = kzalloc(BCM43xx_DMA_RINGMEMSIZE, GFP_KERNEL);
if (!rx_ring)
goto out_err;
rx_ring_dma = pci_map_single(ring->bcm->pci_dev, rx_ring,
BCM43xx_DMA_RINGMEMSIZE,
PCI_DMA_BIDIRECTIONAL);
if (pci_dma_mapping_error(rx_ring_dma) ||
rx_ring_dma + BCM43xx_DMA_RINGMEMSIZE > ring->bcm->dma_mask) {
/* Sigh... */
if (!pci_dma_mapping_error(rx_ring_dma))
pci_unmap_single(ring->bcm->pci_dev,
rx_ring_dma, BCM43xx_DMA_RINGMEMSIZE,
PCI_DMA_BIDIRECTIONAL);
rx_ring_dma = pci_map_single(ring->bcm->pci_dev,
rx_ring, BCM43xx_DMA_RINGMEMSIZE,
PCI_DMA_BIDIRECTIONAL);
if (pci_dma_mapping_error(rx_ring_dma) ||
rx_ring_dma + BCM43xx_DMA_RINGMEMSIZE > ring->bcm->dma_mask) {
assert(0);
if (!pci_dma_mapping_error(rx_ring_dma))
pci_unmap_single(ring->bcm->pci_dev,
rx_ring_dma, BCM43xx_DMA_RINGMEMSIZE,
PCI_DMA_BIDIRECTIONAL);
goto out_err;
}
}
ring->descbase = rx_ring;
ring->dmabase = rx_ring_dma;
}
memset(ring->descbase, 0, BCM43xx_DMA_RINGMEMSIZE);
return 0;
out_err:
printk(KERN_ERR PFX "DMA ringmemory allocation failed\n");
return -ENOMEM;
}
static void free_ringmemory(struct bcm43xx_dmaring *ring)
@ -407,6 +441,29 @@ static int setup_rx_descbuffer(struct bcm43xx_dmaring *ring,
if (unlikely(!skb))
return -ENOMEM;
dmaaddr = map_descbuffer(ring, skb->data, ring->rx_buffersize, 0);
/* This hardware bug work-around adapted from the b44 driver.
The chip may be unable to do PCI DMA to/from anything above 1GB */
if (pci_dma_mapping_error(dmaaddr) ||
dmaaddr + ring->rx_buffersize > ring->bcm->dma_mask) {
/* This one has 30-bit addressing... */
if (!pci_dma_mapping_error(dmaaddr))
pci_unmap_single(ring->bcm->pci_dev,
dmaaddr, ring->rx_buffersize,
PCI_DMA_FROMDEVICE);
dev_kfree_skb_any(skb);
skb = __dev_alloc_skb(ring->rx_buffersize,GFP_DMA);
if (skb == NULL)
return -ENOMEM;
dmaaddr = pci_map_single(ring->bcm->pci_dev,
skb->data, ring->rx_buffersize,
PCI_DMA_FROMDEVICE);
if (pci_dma_mapping_error(dmaaddr) ||
dmaaddr + ring->rx_buffersize > ring->bcm->dma_mask) {
assert(0);
dev_kfree_skb_any(skb);
return -ENOMEM;
}
}
meta->skb = skb;
meta->dmaaddr = dmaaddr;
skb->dev = ring->bcm->net_dev;
@ -636,8 +693,10 @@ struct bcm43xx_dmaring * bcm43xx_setup_dmaring(struct bcm43xx_private *bcm,
err = dmacontroller_setup(ring);
if (err)
goto err_free_ringmemory;
return ring;
out:
printk(KERN_ERR PFX "Error in bcm43xx_setup_dmaring\n");
return ring;
err_free_ringmemory:
@ -705,30 +764,16 @@ int bcm43xx_dma_init(struct bcm43xx_private *bcm)
struct bcm43xx_dmaring *ring;
int err = -ENOMEM;
int dma64 = 0;
u64 mask = bcm43xx_get_supported_dma_mask(bcm);
int nobits;
if (mask == DMA_64BIT_MASK) {
bcm->dma_mask = bcm43xx_get_supported_dma_mask(bcm);
if (bcm->dma_mask == DMA_64BIT_MASK)
dma64 = 1;
nobits = 64;
} else if (mask == DMA_32BIT_MASK)
nobits = 32;
else
nobits = 30;
err = pci_set_dma_mask(bcm->pci_dev, mask);
err |= pci_set_consistent_dma_mask(bcm->pci_dev, mask);
if (err) {
#ifdef CONFIG_BCM43XX_PIO
printk(KERN_WARNING PFX "DMA not supported on this device."
" Falling back to PIO.\n");
bcm->__using_pio = 1;
return -ENOSYS;
#else
printk(KERN_ERR PFX "FATAL: DMA not supported and PIO not configured. "
"Please recompile the driver with PIO support.\n");
return -ENODEV;
#endif /* CONFIG_BCM43XX_PIO */
}
err = pci_set_dma_mask(bcm->pci_dev, bcm->dma_mask);
if (err)
goto no_dma;
err = pci_set_consistent_dma_mask(bcm->pci_dev, bcm->dma_mask);
if (err)
goto no_dma;
/* setup TX DMA channels. */
ring = bcm43xx_setup_dmaring(bcm, 0, 1, dma64);
@ -774,7 +819,9 @@ int bcm43xx_dma_init(struct bcm43xx_private *bcm)
dma->rx_ring3 = ring;
}
dprintk(KERN_INFO PFX "%d-bit DMA initialized\n", nobits);
dprintk(KERN_INFO PFX "%d-bit DMA initialized\n",
(bcm->dma_mask == DMA_64BIT_MASK) ? 64 :
(bcm->dma_mask == DMA_32BIT_MASK) ? 32 : 30);
err = 0;
out:
return err;
@ -800,7 +847,17 @@ int bcm43xx_dma_init(struct bcm43xx_private *bcm)
err_destroy_tx0:
bcm43xx_destroy_dmaring(dma->tx_ring0);
dma->tx_ring0 = NULL;
goto out;
no_dma:
#ifdef CONFIG_BCM43XX_PIO
printk(KERN_WARNING PFX "DMA not supported on this device."
" Falling back to PIO.\n");
bcm->__using_pio = 1;
return -ENOSYS;
#else
printk(KERN_ERR PFX "FATAL: DMA not supported and PIO not configured. "
"Please recompile the driver with PIO support.\n");
return -ENODEV;
#endif /* CONFIG_BCM43XX_PIO */
}
/* Generate a cookie for the TX header. */
@ -905,6 +962,7 @@ static void dma_tx_fragment(struct bcm43xx_dmaring *ring,
struct bcm43xx_dmadesc_generic *desc;
struct bcm43xx_dmadesc_meta *meta;
dma_addr_t dmaaddr;
struct sk_buff *bounce_skb;
assert(skb_shinfo(skb)->nr_frags == 0);
@ -924,9 +982,28 @@ static void dma_tx_fragment(struct bcm43xx_dmaring *ring,
skb->len - sizeof(struct bcm43xx_txhdr),
(cur_frag == 0),
generate_cookie(ring, slot));
dmaaddr = map_descbuffer(ring, skb->data, skb->len, 1);
if (dma_mapping_error(dmaaddr) || dmaaddr + skb->len > ring->bcm->dma_mask) {
/* chip cannot handle DMA to/from > 1GB, use bounce buffer (copied from b44 driver) */
if (!dma_mapping_error(dmaaddr))
unmap_descbuffer(ring, dmaaddr, skb->len, 1);
bounce_skb = __dev_alloc_skb(skb->len, GFP_ATOMIC|GFP_DMA);
if (!bounce_skb)
return;
dmaaddr = map_descbuffer(ring, bounce_skb->data, bounce_skb->len, 1);
if (dma_mapping_error(dmaaddr) || dmaaddr + skb->len > ring->bcm->dma_mask) {
if (!dma_mapping_error(dmaaddr))
unmap_descbuffer(ring, dmaaddr, skb->len, 1);
dev_kfree_skb_any(bounce_skb);
assert(0);
return;
}
memcpy(skb_put(bounce_skb, skb->len), skb->data, skb->len);
dev_kfree_skb_any(skb);
skb = bounce_skb;
}
meta->skb = skb;
dmaaddr = map_descbuffer(ring, skb->data, skb->len, 1);
meta->dmaaddr = dmaaddr;
fill_descriptor(ring, desc, dmaaddr,

25
drivers/net/wireless/bcm43xx/bcm43xx_main.c
View file

@ -95,13 +95,9 @@ static int modparam_noleds;
module_param_named(noleds, modparam_noleds, int, 0444);
MODULE_PARM_DESC(noleds, "Turn off all LED activity");
#ifdef CONFIG_BCM43XX_DEBUG
static char modparam_fwpostfix[64];
module_param_string(fwpostfix, modparam_fwpostfix, 64, 0444);
MODULE_PARM_DESC(fwpostfix, "Postfix for .fw files. Useful for debugging.");
#else
# define modparam_fwpostfix ""
#endif /* CONFIG_BCM43XX_DEBUG*/
MODULE_PARM_DESC(fwpostfix, "Postfix for .fw files. Useful for using multiple firmware image versions.");
/* If you want to debug with just a single device, enable this,
@ -2983,8 +2979,10 @@ static int bcm43xx_chipset_attach(struct bcm43xx_private *bcm)
err = bcm43xx_pctl_set_crystal(bcm, 1);
if (err)
goto out;
bcm43xx_pci_read_config16(bcm, PCI_STATUS, &pci_status);
bcm43xx_pci_write_config16(bcm, PCI_STATUS, pci_status & ~PCI_STATUS_SIG_TARGET_ABORT);
err = bcm43xx_pci_read_config16(bcm, PCI_STATUS, &pci_status);
if (err)
goto out;
err = bcm43xx_pci_write_config16(bcm, PCI_STATUS, pci_status & ~PCI_STATUS_SIG_TARGET_ABORT);
out:
return err;
@ -3796,12 +3794,18 @@ static int bcm43xx_attach_board(struct bcm43xx_private *bcm)
}
net_dev->base_addr = (unsigned long)bcm->mmio_addr;
bcm43xx_pci_read_config16(bcm, PCI_SUBSYSTEM_VENDOR_ID,
err = bcm43xx_pci_read_config16(bcm, PCI_SUBSYSTEM_VENDOR_ID,
&bcm->board_vendor);
bcm43xx_pci_read_config16(bcm, PCI_SUBSYSTEM_ID,
if (err)
goto err_iounmap;
err = bcm43xx_pci_read_config16(bcm, PCI_SUBSYSTEM_ID,
&bcm->board_type);
bcm43xx_pci_read_config16(bcm, PCI_REVISION_ID,
if (err)
goto err_iounmap;
err = bcm43xx_pci_read_config16(bcm, PCI_REVISION_ID,
&bcm->board_revision);
if (err)
goto err_iounmap;
err = bcm43xx_chipset_attach(bcm);
if (err)
@ -3892,6 +3896,7 @@ static int bcm43xx_attach_board(struct bcm43xx_private *bcm)
pci_release_regions(pci_dev);
err_pci_disable:
pci_disable_device(pci_dev);
printk(KERN_ERR PFX "Unable to attach board\n");
goto out;
}

28
drivers/net/wireless/bcm43xx/bcm43xx_wx.c
View file

@ -261,22 +261,22 @@ static int bcm43xx_wx_get_rangeparams(struct net_device *net_dev,
if (phy->type == BCM43xx_PHYTYPE_A ||
phy->type == BCM43xx_PHYTYPE_G) {
range->num_bitrates = 8;
range->bitrate[i++] = IEEE80211_OFDM_RATE_6MB;
range->bitrate[i++] = IEEE80211_OFDM_RATE_9MB;
range->bitrate[i++] = IEEE80211_OFDM_RATE_12MB;
range->bitrate[i++] = IEEE80211_OFDM_RATE_18MB;
range->bitrate[i++] = IEEE80211_OFDM_RATE_24MB;
range->bitrate[i++] = IEEE80211_OFDM_RATE_36MB;
range->bitrate[i++] = IEEE80211_OFDM_RATE_48MB;
range->bitrate[i++] = IEEE80211_OFDM_RATE_54MB;
range->bitrate[i++] = IEEE80211_OFDM_RATE_6MB * 500000;
range->bitrate[i++] = IEEE80211_OFDM_RATE_9MB * 500000;
range->bitrate[i++] = IEEE80211_OFDM_RATE_12MB * 500000;
range->bitrate[i++] = IEEE80211_OFDM_RATE_18MB * 500000;
range->bitrate[i++] = IEEE80211_OFDM_RATE_24MB * 500000;
range->bitrate[i++] = IEEE80211_OFDM_RATE_36MB * 500000;
range->bitrate[i++] = IEEE80211_OFDM_RATE_48MB * 500000;
range->bitrate[i++] = IEEE80211_OFDM_RATE_54MB * 500000;
}
if (phy->type == BCM43xx_PHYTYPE_B ||
phy->type == BCM43xx_PHYTYPE_G) {
range->num_bitrates += 4;
range->bitrate[i++] = IEEE80211_CCK_RATE_1MB;
range->bitrate[i++] = IEEE80211_CCK_RATE_2MB;
range->bitrate[i++] = IEEE80211_CCK_RATE_5MB;
range->bitrate[i++] = IEEE80211_CCK_RATE_11MB;
range->bitrate[i++] = IEEE80211_CCK_RATE_1MB * 500000;
range->bitrate[i++] = IEEE80211_CCK_RATE_2MB * 500000;
range->bitrate[i++] = IEEE80211_CCK_RATE_5MB * 500000;
range->bitrate[i++] = IEEE80211_CCK_RATE_11MB * 500000;
}
geo = ieee80211_get_geo(bcm->ieee);
@ -286,7 +286,7 @@ static int bcm43xx_wx_get_rangeparams(struct net_device *net_dev,
if (j == IW_MAX_FREQUENCIES)
break;
range->freq[j].i = j + 1;
range->freq[j].m = geo->a[i].freq;//FIXME?
range->freq[j].m = geo->a[i].freq * 100000;
range->freq[j].e = 1;
j++;
}
@ -294,7 +294,7 @@ static int bcm43xx_wx_get_rangeparams(struct net_device *net_dev,
if (j == IW_MAX_FREQUENCIES)
break;
range->freq[j].i = j + 1;
range->freq[j].m = geo->bg[i].freq;//FIXME?
range->freq[j].m = geo->bg[i].freq * 100000;
range->freq[j].e = 1;
j++;
}

16
drivers/net/wireless/ipw2100.c
View file

@ -175,7 +175,7 @@ that only one external action is invoked at a time.
/* Debugging stuff */
#ifdef CONFIG_IPW2100_DEBUG
#define CONFIG_IPW2100_RX_DEBUG /* Reception debugging */
#define IPW2100_RX_DEBUG /* Reception debugging */
#endif
MODULE_DESCRIPTION(DRV_DESCRIPTION);
@ -2239,7 +2239,7 @@ static void ipw2100_snapshot_free(struct ipw2100_priv *priv)
priv->snapshot[0] = NULL;
}
#ifdef CONFIG_IPW2100_DEBUG_C3
#ifdef IPW2100_DEBUG_C3
static int ipw2100_snapshot_alloc(struct ipw2100_priv *priv)
{
int i;
@ -2314,13 +2314,13 @@ static u32 ipw2100_match_buf(struct ipw2100_priv *priv, u8 * in_buf,
* The size of the constructed ethernet
*
*/
#ifdef CONFIG_IPW2100_RX_DEBUG
#ifdef IPW2100_RX_DEBUG
static u8 packet_data[IPW_RX_NIC_BUFFER_LENGTH];
#endif
static void ipw2100_corruption_detected(struct ipw2100_priv *priv, int i)
{
#ifdef CONFIG_IPW2100_DEBUG_C3
#ifdef IPW2100_DEBUG_C3
struct ipw2100_status *status = &priv->status_queue.drv[i];
u32 match, reg;
int j;
@ -2342,7 +2342,7 @@ static void ipw2100_corruption_detected(struct ipw2100_priv *priv, int i)
}
#endif
#ifdef CONFIG_IPW2100_DEBUG_C3
#ifdef IPW2100_DEBUG_C3
/* Halt the fimrware so we can get a good image */
write_register(priv->net_dev, IPW_REG_RESET_REG,
IPW_AUX_HOST_RESET_REG_STOP_MASTER);
@ -2413,7 +2413,7 @@ static void isr_rx(struct ipw2100_priv *priv, int i,
skb_put(packet->skb, status->frame_size);
#ifdef CONFIG_IPW2100_RX_DEBUG
#ifdef IPW2100_RX_DEBUG
/* Make a copy of the frame so we can dump it to the logs if
* ieee80211_rx fails */
memcpy(packet_data, packet->skb->data,
@ -2421,7 +2421,7 @@ static void isr_rx(struct ipw2100_priv *priv, int i,
#endif
if (!ieee80211_rx(priv->ieee, packet->skb, stats)) {
#ifdef CONFIG_IPW2100_RX_DEBUG
#ifdef IPW2100_RX_DEBUG
IPW_DEBUG_DROP("%s: Non consumed packet:\n",
priv->net_dev->name);
printk_buf(IPW_DL_DROP, packet_data, status->frame_size);
@ -4912,7 +4912,7 @@ static int ipw2100_set_power_mode(struct ipw2100_priv *priv, int power_level)
else
priv->power_mode = IPW_POWER_ENABLED | power_level;
#ifdef CONFIG_IPW2100_TX_POWER
#ifdef IPW2100_TX_POWER
if (priv->port_type == IBSS && priv->adhoc_power != DFTL_IBSS_TX_POWER) {
/* Set beacon interval */
cmd.host_command = TX_POWER_INDEX;

44
drivers/net/wireless/zd1211rw/zd_mac.c
View file

@ -156,7 +156,7 @@ void zd_mac_clear(struct zd_mac *mac)
static int reset_mode(struct zd_mac *mac)
{
struct ieee80211_device *ieee = zd_mac_to_ieee80211(mac);
struct zd_ioreq32 ioreqs[3] = {
struct zd_ioreq32 ioreqs[] = {
{ CR_RX_FILTER, STA_RX_FILTER },
{ CR_SNIFFER_ON, 0U },
};
@ -164,10 +164,9 @@ static int reset_mode(struct zd_mac *mac)
if (ieee->iw_mode == IW_MODE_MONITOR) {
ioreqs[0].value = 0xffffffff;
ioreqs[1].value = 0x1;
ioreqs[2].value = ENC_SNIFFER;
}
return zd_iowrite32a(&mac->chip, ioreqs, 3);
return zd_iowrite32a(&mac->chip, ioreqs, ARRAY_SIZE(ioreqs));
}
int zd_mac_open(struct net_device *netdev)
@ -904,16 +903,21 @@ static int fill_ctrlset(struct zd_mac *mac,
static int zd_mac_tx(struct zd_mac *mac, struct ieee80211_txb *txb, int pri)
{
int i, r;
struct ieee80211_device *ieee = zd_mac_to_ieee80211(mac);
for (i = 0; i < txb->nr_frags; i++) {
struct sk_buff *skb = txb->fragments[i];
r = fill_ctrlset(mac, txb, i);
if (r)
if (r) {
ieee->stats.tx_dropped++;
return r;
}
r = zd_usb_tx(&mac->chip.usb, skb->data, skb->len);
if (r)
if (r) {
ieee->stats.tx_dropped++;
return r;
}
}
/* FIXME: shouldn't this be handled by the upper layers? */
@ -1063,9 +1067,23 @@ static int fill_rx_stats(struct ieee80211_rx_stats *stats,
*pstatus = status = zd_tail(buffer, length, sizeof(struct rx_status));
if (status->frame_status & ZD_RX_ERROR) {
/* FIXME: update? */
struct ieee80211_device *ieee = zd_mac_to_ieee80211(mac);
ieee->stats.rx_errors++;
if (status->frame_status & ZD_RX_TIMEOUT_ERROR)
ieee->stats.rx_missed_errors++;
else if (status->frame_status & ZD_RX_FIFO_OVERRUN_ERROR)
ieee->stats.rx_fifo_errors++;
else if (status->frame_status & ZD_RX_DECRYPTION_ERROR)
ieee->ieee_stats.rx_discards_undecryptable++;
else if (status->frame_status & ZD_RX_CRC32_ERROR) {
ieee->stats.rx_crc_errors++;
ieee->ieee_stats.rx_fcs_errors++;
}
else if (status->frame_status & ZD_RX_CRC16_ERROR)
ieee->stats.rx_crc_errors++;
return -EINVAL;
}
memset(stats, 0, sizeof(struct ieee80211_rx_stats));
stats->len = length - (ZD_PLCP_HEADER_SIZE + IEEE80211_FCS_LEN +
+ sizeof(struct rx_status));
@ -1094,14 +1112,16 @@ static void zd_mac_rx(struct zd_mac *mac, struct sk_buff *skb)
if (skb->len < ZD_PLCP_HEADER_SIZE + IEEE80211_1ADDR_LEN +
IEEE80211_FCS_LEN + sizeof(struct rx_status))
{
dev_dbg_f(zd_mac_dev(mac), "Packet with length %u to small.\n",
skb->len);
ieee->stats.rx_errors++;
ieee->stats.rx_length_errors++;
goto free_skb;
}
r = fill_rx_stats(&stats, &status, mac, skb->data, skb->len);
if (r) {
/* Only packets with rx errors are included here. */
/* Only packets with rx errors are included here.
* The error stats have already been set in fill_rx_stats.
*/
goto free_skb;
}
@ -1114,8 +1134,10 @@ static void zd_mac_rx(struct zd_mac *mac, struct sk_buff *skb)
r = filter_rx(ieee, skb->data, skb->len, &stats);
if (r <= 0) {
if (r < 0)
if (r < 0) {
ieee->stats.rx_errors++;
dev_dbg_f(zd_mac_dev(mac), "Error in packet.\n");
}
goto free_skb;
}
@ -1146,7 +1168,9 @@ int zd_mac_rx_irq(struct zd_mac *mac, const u8 *buffer, unsigned int length)
skb = dev_alloc_skb(sizeof(struct zd_rt_hdr) + length);
if (!skb) {
struct ieee80211_device *ieee = zd_mac_to_ieee80211(mac);
dev_warn(zd_mac_dev(mac), "Could not allocate skb.\n");
ieee->stats.rx_dropped++;
return -ENOMEM;
}
skb_reserve(skb, sizeof(struct zd_rt_hdr));

12
drivers/net/wireless/zd1211rw/zd_usb.c
View file

@ -313,6 +313,12 @@ static inline void handle_regs_int(struct urb *urb)
static inline void handle_retry_failed_int(struct urb *urb)
{
struct zd_usb *usb = urb->context;
struct zd_mac *mac = zd_usb_to_mac(usb);
struct ieee80211_device *ieee = zd_mac_to_ieee80211(mac);
ieee->stats.tx_errors++;
ieee->ieee_stats.tx_retry_limit_exceeded++;
dev_dbg_f(urb_dev(urb), "retry failed interrupt\n");
}
@ -487,6 +493,9 @@ static void handle_rx_packet(struct zd_usb *usb, const u8 *buffer,
if (length < sizeof(struct rx_length_info)) {
/* It's not a complete packet anyhow. */
struct ieee80211_device *ieee = zd_mac_to_ieee80211(mac);
ieee->stats.rx_errors++;
ieee->stats.rx_length_errors++;
return;
}
length_info = (struct rx_length_info *)
@ -923,6 +932,8 @@ static int probe(struct usb_interface *intf, const struct usb_device_id *id)
goto error;
}
usb_reset_device(interface_to_usbdev(intf));
netdev = zd_netdev_alloc(intf);
if (netdev == NULL) {
r = -ENOMEM;
@ -1024,6 +1035,7 @@ static int __init usb_init(void)
r = usb_register(&driver);
if (r) {
destroy_workqueue(zd_workqueue);
printk(KERN_ERR "%s usb_register() failed. Error number %d\n",
driver.name, r);
return r;

4
net/core/net-sysfs.c
View file

@ -340,7 +340,7 @@ static struct attribute_group netstat_group = {
.attrs = netstat_attrs,
};
#ifdef WIRELESS_EXT
#ifdef CONFIG_WIRELESS_EXT
/* helper function that does all the locking etc for wireless stats */
static ssize_t wireless_show(struct device *d, char *buf,
ssize_t (*format)(const struct iw_statistics *,
@ -473,7 +473,7 @@ int netdev_register_sysfs(struct net_device *net)
if (net->get_stats)
*groups++ = &netstat_group;
#ifdef WIRELESS_EXT
#ifdef CONFIG_WIRELESS_EXT
if (net->wireless_handlers && net->wireless_handlers->get_wireless_stats)
*groups++ = &wireless_group;
#endif

3
net/ieee80211/ieee80211_tx.c
View file

@ -502,9 +502,6 @@ int ieee80211_xmit(struct sk_buff *skb, struct net_device *dev)
if (host_encrypt)
ieee80211_encrypt_fragment(ieee, skb_frag, hdr_len);
else if (host_build_iv) {
struct ieee80211_crypt_data *crypt;
crypt = ieee->crypt[ieee->tx_keyidx];
atomic_inc(&crypt->refcnt);
if (crypt->ops->build_iv)
crypt->ops->build_iv(skb_frag, hdr_len,