AcoSail/kernel_optimize_test
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Merge branch 'fixes' of master.kernel.org:/pub/scm/linux/kernel/git/linville/wireless-2.6

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This commit is contained in:
David S. Miller 2008-02-15 15:56:47 -08:00
commit 42fe95cae5
15 changed files with 291 additions and 146 deletions
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4
drivers/net/wireless/ath5k/base.c
View File

@ -1256,7 +1256,7 @@ ath5k_txbuf_setup(struct ath5k_softc *sc, struct ath5k_buf *bf,
if (ctl->flags & IEEE80211_TXCTL_NO_ACK)
flags |= AR5K_TXDESC_NOACK;
pktlen = skb->len + FCS_LEN;
pktlen = skb->len;
if (!(ctl->flags & IEEE80211_TXCTL_DO_NOT_ENCRYPT)) {
keyidx = ctl->key_idx;
@ -1952,7 +1952,7 @@ ath5k_beacon_setup(struct ath5k_softc *sc, struct ath5k_buf *bf,
}
ds->ds_data = bf->skbaddr;
ret = ah->ah_setup_tx_desc(ah, ds, skb->len + FCS_LEN,
ret = ah->ah_setup_tx_desc(ah, ds, skb->len,
ieee80211_get_hdrlen_from_skb(skb),
AR5K_PKT_TYPE_BEACON, (ctl->power_level * 2), ctl->tx_rate, 1,
AR5K_TXKEYIX_INVALID, antenna, flags, 0, 0);

34
drivers/net/wireless/ath5k/hw.c
View File

@ -3506,7 +3506,7 @@ ath5k_hw_setup_2word_tx_desc(struct ath5k_hw *ah, struct ath5k_desc *desc,
{
u32 frame_type;
struct ath5k_hw_2w_tx_desc *tx_desc;
unsigned int buff_len;
unsigned int frame_len;
tx_desc = (struct ath5k_hw_2w_tx_desc *)&desc->ds_ctl0;
@ -3537,22 +3537,25 @@ ath5k_hw_setup_2word_tx_desc(struct ath5k_hw *ah, struct ath5k_desc *desc,
/* Setup control descriptor */
/* Verify and set frame length */
if (pkt_len & ~AR5K_2W_TX_DESC_CTL0_FRAME_LEN)
/* remove padding we might have added before */
frame_len = pkt_len - (hdr_len & 3) + FCS_LEN;
if (frame_len & ~AR5K_2W_TX_DESC_CTL0_FRAME_LEN)
return -EINVAL;
tx_desc->tx_control_0 = pkt_len & AR5K_2W_TX_DESC_CTL0_FRAME_LEN;
tx_desc->tx_control_0 = frame_len & AR5K_2W_TX_DESC_CTL0_FRAME_LEN;
/* Verify and set buffer length */
buff_len = pkt_len - FCS_LEN;
/* NB: beacon's BufLen must be a multiple of 4 bytes */
if(type == AR5K_PKT_TYPE_BEACON)
buff_len = roundup(buff_len, 4);
pkt_len = roundup(pkt_len, 4);
if (buff_len & ~AR5K_2W_TX_DESC_CTL1_BUF_LEN)
if (pkt_len & ~AR5K_2W_TX_DESC_CTL1_BUF_LEN)
return -EINVAL;
tx_desc->tx_control_1 = buff_len & AR5K_2W_TX_DESC_CTL1_BUF_LEN;
tx_desc->tx_control_1 = pkt_len & AR5K_2W_TX_DESC_CTL1_BUF_LEN;
/*
* Verify and set header length
@ -3634,7 +3637,7 @@ static int ath5k_hw_setup_4word_tx_desc(struct ath5k_hw *ah,
{
struct ath5k_hw_4w_tx_desc *tx_desc;
struct ath5k_hw_tx_status *tx_status;
unsigned int buff_len;
unsigned int frame_len;
ATH5K_TRACE(ah->ah_sc);
tx_desc = (struct ath5k_hw_4w_tx_desc *)&desc->ds_ctl0;
@ -3669,22 +3672,25 @@ static int ath5k_hw_setup_4word_tx_desc(struct ath5k_hw *ah,
/* Setup control descriptor */
/* Verify and set frame length */
if (pkt_len & ~AR5K_4W_TX_DESC_CTL0_FRAME_LEN)
/* remove padding we might have added before */
frame_len = pkt_len - (hdr_len & 3) + FCS_LEN;
if (frame_len & ~AR5K_4W_TX_DESC_CTL0_FRAME_LEN)
return -EINVAL;
tx_desc->tx_control_0 = pkt_len & AR5K_4W_TX_DESC_CTL0_FRAME_LEN;
tx_desc->tx_control_0 = frame_len & AR5K_4W_TX_DESC_CTL0_FRAME_LEN;
/* Verify and set buffer length */
buff_len = pkt_len - FCS_LEN;
/* NB: beacon's BufLen must be a multiple of 4 bytes */
if(type == AR5K_PKT_TYPE_BEACON)
buff_len = roundup(buff_len, 4);
pkt_len = roundup(pkt_len, 4);
if (buff_len & ~AR5K_4W_TX_DESC_CTL1_BUF_LEN)
if (pkt_len & ~AR5K_4W_TX_DESC_CTL1_BUF_LEN)
return -EINVAL;
tx_desc->tx_control_1 = buff_len & AR5K_4W_TX_DESC_CTL1_BUF_LEN;
tx_desc->tx_control_1 = pkt_len & AR5K_4W_TX_DESC_CTL1_BUF_LEN;
tx_desc->tx_control_0 |=
AR5K_REG_SM(tx_power, AR5K_4W_TX_DESC_CTL0_XMIT_POWER) |

6
drivers/net/wireless/b43/b43.h
View File

@ -14,6 +14,12 @@
#include "lo.h"
#include "phy.h"
/* The unique identifier of the firmware that's officially supported by
* this driver version. */
#define B43_SUPPORTED_FIRMWARE_ID "FW13"
#ifdef CONFIG_B43_DEBUG
# define B43_DEBUG 1
#else

40
drivers/net/wireless/b43/main.c
View File

@ -58,6 +58,8 @@ MODULE_AUTHOR("Stefano Brivio");
MODULE_AUTHOR("Michael Buesch");
MODULE_LICENSE("GPL");
MODULE_FIRMWARE(B43_SUPPORTED_FIRMWARE_ID);
static int modparam_bad_frames_preempt;
module_param_named(bad_frames_preempt, modparam_bad_frames_preempt, int, 0444);
@ -1859,11 +1861,11 @@ static int b43_upload_microcode(struct b43_wldev *dev)
err = -EOPNOTSUPP;
goto error;
}
b43dbg(dev->wl, "Loading firmware version %u.%u "
"(20%.2i-%.2i-%.2i %.2i:%.2i:%.2i)\n",
fwrev, fwpatch,
(fwdate >> 12) & 0xF, (fwdate >> 8) & 0xF, fwdate & 0xFF,
(fwtime >> 11) & 0x1F, (fwtime >> 5) & 0x3F, fwtime & 0x1F);
b43info(dev->wl, "Loading firmware version %u.%u "
"(20%.2i-%.2i-%.2i %.2i:%.2i:%.2i)\n",
fwrev, fwpatch,
(fwdate >> 12) & 0xF, (fwdate >> 8) & 0xF, fwdate & 0xFF,
(fwtime >> 11) & 0x1F, (fwtime >> 5) & 0x3F, fwtime & 0x1F);
dev->fw.rev = fwrev;
dev->fw.patch = fwpatch;
@ -4200,6 +4202,33 @@ static struct ssb_driver b43_ssb_driver = {
.resume = b43_resume,
};
static void b43_print_driverinfo(void)
{
const char *feat_pci = "", *feat_pcmcia = "", *feat_nphy = "",
*feat_leds = "", *feat_rfkill = "";
#ifdef CONFIG_B43_PCI_AUTOSELECT
feat_pci = "P";
#endif
#ifdef CONFIG_B43_PCMCIA
feat_pcmcia = "M";
#endif
#ifdef CONFIG_B43_NPHY
feat_nphy = "N";
#endif
#ifdef CONFIG_B43_LEDS
feat_leds = "L";
#endif
#ifdef CONFIG_B43_RFKILL
feat_rfkill = "R";
#endif
printk(KERN_INFO "Broadcom 43xx driver loaded "
"[ Features: %s%s%s%s%s, Firmware-ID: "
B43_SUPPORTED_FIRMWARE_ID " ]\n",
feat_pci, feat_pcmcia, feat_nphy,
feat_leds, feat_rfkill);
}
static int __init b43_init(void)
{
int err;
@ -4211,6 +4240,7 @@ static int __init b43_init(void)
err = ssb_driver_register(&b43_ssb_driver);
if (err)
goto err_pcmcia_exit;
b43_print_driverinfo();
return err;

4
drivers/net/wireless/b43legacy/b43legacy.h
View File

@ -23,6 +23,10 @@
#include "phy.h"
/* The unique identifier of the firmware that's officially supported by this
* driver version. */
#define B43legacy_SUPPORTED_FIRMWARE_ID "FW10"
#define B43legacy_IRQWAIT_MAX_RETRIES 20
#define B43legacy_RX_MAX_SSI 60 /* best guess at max ssi */

167
drivers/net/wireless/b43legacy/dma.c
View File

@ -354,7 +354,8 @@ return 0;
}
u16 b43legacy_dmacontroller_base(int dma64bit, int controller_idx)
static u16 b43legacy_dmacontroller_base(enum b43legacy_dmatype type,
int controller_idx)
{
static const u16 map64[] = {
B43legacy_MMIO_DMA64_BASE0,
@ -373,7 +374,7 @@ u16 b43legacy_dmacontroller_base(int dma64bit, int controller_idx)
B43legacy_MMIO_DMA32_BASE5,
};
if (dma64bit) {
if (type == B43legacy_DMA_64BIT) {
B43legacy_WARN_ON(!(controller_idx >= 0 &&
controller_idx < ARRAY_SIZE(map64)));
return map64[controller_idx];
@ -480,8 +481,9 @@ static void free_ringmemory(struct b43legacy_dmaring *ring)
}
/* Reset the RX DMA channel */
int b43legacy_dmacontroller_rx_reset(struct b43legacy_wldev *dev,
u16 mmio_base, int dma64)
static int b43legacy_dmacontroller_rx_reset(struct b43legacy_wldev *dev,
u16 mmio_base,
enum b43legacy_dmatype type)
{
int i;
u32 value;
@ -489,13 +491,14 @@ int b43legacy_dmacontroller_rx_reset(struct b43legacy_wldev *dev,
might_sleep();
offset = dma64 ? B43legacy_DMA64_RXCTL : B43legacy_DMA32_RXCTL;
offset = (type == B43legacy_DMA_64BIT) ?
B43legacy_DMA64_RXCTL : B43legacy_DMA32_RXCTL;
b43legacy_write32(dev, mmio_base + offset, 0);
for (i = 0; i < 10; i++) {
offset = dma64 ? B43legacy_DMA64_RXSTATUS :
B43legacy_DMA32_RXSTATUS;
offset = (type == B43legacy_DMA_64BIT) ?
B43legacy_DMA64_RXSTATUS : B43legacy_DMA32_RXSTATUS;
value = b43legacy_read32(dev, mmio_base + offset);
if (dma64) {
if (type == B43legacy_DMA_64BIT) {
value &= B43legacy_DMA64_RXSTAT;
if (value == B43legacy_DMA64_RXSTAT_DISABLED) {
i = -1;
@ -519,8 +522,9 @@ int b43legacy_dmacontroller_rx_reset(struct b43legacy_wldev *dev,
}
/* Reset the RX DMA channel */
int b43legacy_dmacontroller_tx_reset(struct b43legacy_wldev *dev,
u16 mmio_base, int dma64)
static int b43legacy_dmacontroller_tx_reset(struct b43legacy_wldev *dev,
u16 mmio_base,
enum b43legacy_dmatype type)
{
int i;
u32 value;
@ -529,10 +533,10 @@ int b43legacy_dmacontroller_tx_reset(struct b43legacy_wldev *dev,
might_sleep();
for (i = 0; i < 10; i++) {
offset = dma64 ? B43legacy_DMA64_TXSTATUS :
B43legacy_DMA32_TXSTATUS;
offset = (type == B43legacy_DMA_64BIT) ?
B43legacy_DMA64_TXSTATUS : B43legacy_DMA32_TXSTATUS;
value = b43legacy_read32(dev, mmio_base + offset);
if (dma64) {
if (type == B43legacy_DMA_64BIT) {
value &= B43legacy_DMA64_TXSTAT;
if (value == B43legacy_DMA64_TXSTAT_DISABLED ||
value == B43legacy_DMA64_TXSTAT_IDLEWAIT ||
@ -547,13 +551,14 @@ int b43legacy_dmacontroller_tx_reset(struct b43legacy_wldev *dev,
}
msleep(1);
}
offset = dma64 ? B43legacy_DMA64_TXCTL : B43legacy_DMA32_TXCTL;
offset = (type == B43legacy_DMA_64BIT) ? B43legacy_DMA64_TXCTL :
B43legacy_DMA32_TXCTL;
b43legacy_write32(dev, mmio_base + offset, 0);
for (i = 0; i < 10; i++) {
offset = dma64 ? B43legacy_DMA64_TXSTATUS :
B43legacy_DMA32_TXSTATUS;
offset = (type == B43legacy_DMA_64BIT) ?
B43legacy_DMA64_TXSTATUS : B43legacy_DMA32_TXSTATUS;
value = b43legacy_read32(dev, mmio_base + offset);
if (dma64) {
if (type == B43legacy_DMA_64BIT) {
value &= B43legacy_DMA64_TXSTAT;
if (value == B43legacy_DMA64_TXSTAT_DISABLED) {
i = -1;
@ -578,6 +583,32 @@ int b43legacy_dmacontroller_tx_reset(struct b43legacy_wldev *dev,
return 0;
}
/* Check if a DMA mapping address is invalid. */
static bool b43legacy_dma_mapping_error(struct b43legacy_dmaring *ring,
dma_addr_t addr,
size_t buffersize)
{
if (unlikely(dma_mapping_error(addr)))
return 1;
switch (ring->type) {
case B43legacy_DMA_30BIT:
if ((u64)addr + buffersize > (1ULL << 30))
return 1;
break;
case B43legacy_DMA_32BIT:
if ((u64)addr + buffersize > (1ULL << 32))
return 1;
break;
case B43legacy_DMA_64BIT:
/* Currently we can't have addresses beyond 64 bits in the kernel. */
break;
}
/* The address is OK. */
return 0;
}
static int setup_rx_descbuffer(struct b43legacy_dmaring *ring,
struct b43legacy_dmadesc_generic *desc,
struct b43legacy_dmadesc_meta *meta,
@ -595,7 +626,7 @@ static int setup_rx_descbuffer(struct b43legacy_dmaring *ring,
return -ENOMEM;
dmaaddr = map_descbuffer(ring, skb->data,
ring->rx_buffersize, 0);
if (dma_mapping_error(dmaaddr)) {
if (b43legacy_dma_mapping_error(ring, dmaaddr, ring->rx_buffersize)) {
/* ugh. try to realloc in zone_dma */
gfp_flags |= GFP_DMA;
@ -608,7 +639,7 @@ static int setup_rx_descbuffer(struct b43legacy_dmaring *ring,
ring->rx_buffersize, 0);
}
if (dma_mapping_error(dmaaddr)) {
if (b43legacy_dma_mapping_error(ring, dmaaddr, ring->rx_buffersize)) {
dev_kfree_skb_any(skb);
return -EIO;
}
@ -674,7 +705,7 @@ static int dmacontroller_setup(struct b43legacy_dmaring *ring)
u32 trans = ssb_dma_translation(ring->dev->dev);
if (ring->tx) {
if (ring->dma64) {
if (ring->type == B43legacy_DMA_64BIT) {
u64 ringbase = (u64)(ring->dmabase);
addrext = ((ringbase >> 32) & SSB_DMA_TRANSLATION_MASK)
@ -709,7 +740,7 @@ static int dmacontroller_setup(struct b43legacy_dmaring *ring)
err = alloc_initial_descbuffers(ring);
if (err)
goto out;
if (ring->dma64) {
if (ring->type == B43legacy_DMA_64BIT) {
u64 ringbase = (u64)(ring->dmabase);
addrext = ((ringbase >> 32) & SSB_DMA_TRANSLATION_MASK)
@ -760,16 +791,16 @@ static void dmacontroller_cleanup(struct b43legacy_dmaring *ring)
{
if (ring->tx) {
b43legacy_dmacontroller_tx_reset(ring->dev, ring->mmio_base,
ring->dma64);
if (ring->dma64) {
ring->type);
if (ring->type == B43legacy_DMA_64BIT) {
b43legacy_dma_write(ring, B43legacy_DMA64_TXRINGLO, 0);
b43legacy_dma_write(ring, B43legacy_DMA64_TXRINGHI, 0);
} else
b43legacy_dma_write(ring, B43legacy_DMA32_TXRING, 0);
} else {
b43legacy_dmacontroller_rx_reset(ring->dev, ring->mmio_base,
ring->dma64);
if (ring->dma64) {
ring->type);
if (ring->type == B43legacy_DMA_64BIT) {
b43legacy_dma_write(ring, B43legacy_DMA64_RXRINGLO, 0);
b43legacy_dma_write(ring, B43legacy_DMA64_RXRINGHI, 0);
} else
@ -824,11 +855,10 @@ static u64 supported_dma_mask(struct b43legacy_wldev *dev)
/* Main initialization function. */
static
struct b43legacy_dmaring *b43legacy_setup_dmaring(
struct b43legacy_wldev *dev,
int controller_index,
int for_tx,
int dma64)
struct b43legacy_dmaring *b43legacy_setup_dmaring(struct b43legacy_wldev *dev,
int controller_index,
int for_tx,
enum b43legacy_dmatype type)
{
struct b43legacy_dmaring *ring;
int err;
@ -838,6 +868,7 @@ struct b43legacy_dmaring *b43legacy_setup_dmaring(
ring = kzalloc(sizeof(*ring), GFP_KERNEL);
if (!ring)
goto out;
ring->type = type;
nr_slots = B43legacy_RXRING_SLOTS;
if (for_tx)
@ -855,12 +886,12 @@ struct b43legacy_dmaring *b43legacy_setup_dmaring(
goto err_kfree_meta;
/* test for ability to dma to txhdr_cache */
dma_test = dma_map_single(dev->dev->dev,
ring->txhdr_cache,
sizeof(struct b43legacy_txhdr_fw3),
DMA_TO_DEVICE);
dma_test = dma_map_single(dev->dev->dev, ring->txhdr_cache,
sizeof(struct b43legacy_txhdr_fw3),
DMA_TO_DEVICE);
if (dma_mapping_error(dma_test)) {
if (b43legacy_dma_mapping_error(ring, dma_test,
sizeof(struct b43legacy_txhdr_fw3))) {
/* ugh realloc */
kfree(ring->txhdr_cache);
ring->txhdr_cache = kcalloc(nr_slots,
@ -874,7 +905,8 @@ struct b43legacy_dmaring *b43legacy_setup_dmaring(
sizeof(struct b43legacy_txhdr_fw3),
DMA_TO_DEVICE);
if (dma_mapping_error(dma_test))
if (b43legacy_dma_mapping_error(ring, dma_test,
sizeof(struct b43legacy_txhdr_fw3)))
goto err_kfree_txhdr_cache;
}
@ -885,11 +917,9 @@ struct b43legacy_dmaring *b43legacy_setup_dmaring(
ring->dev = dev;
ring->nr_slots = nr_slots;
ring->mmio_base = b43legacy_dmacontroller_base(dma64,
controller_index);
ring->mmio_base = b43legacy_dmacontroller_base(type, controller_index);
ring->index = controller_index;
ring->dma64 = !!dma64;
if (dma64)
if (type == B43legacy_DMA_64BIT)
ring->ops = &dma64_ops;
else
ring->ops = &dma32_ops;
@ -939,10 +969,10 @@ static void b43legacy_destroy_dmaring(struct b43legacy_dmaring *ring)
if (!ring)
return;
b43legacydbg(ring->dev->wl, "DMA-%s 0x%04X (%s) max used slots:"
" %d/%d\n", (ring->dma64) ? "64" : "32", ring->mmio_base,
(ring->tx) ? "TX" : "RX",
ring->max_used_slots, ring->nr_slots);
b43legacydbg(ring->dev->wl, "DMA-%u 0x%04X (%s) max used slots:"
" %d/%d\n", (unsigned int)(ring->type), ring->mmio_base,
(ring->tx) ? "TX" : "RX", ring->max_used_slots,
ring->nr_slots);
/* Device IRQs are disabled prior entering this function,
* so no need to take care of concurrency with rx handler stuff.
*/
@ -988,11 +1018,22 @@ int b43legacy_dma_init(struct b43legacy_wldev *dev)
struct b43legacy_dmaring *ring;
int err;
u64 dmamask;
int dma64 = 0;
enum b43legacy_dmatype type;
dmamask = supported_dma_mask(dev);
if (dmamask == DMA_64BIT_MASK)
dma64 = 1;
switch (dmamask) {
default:
B43legacy_WARN_ON(1);
case DMA_30BIT_MASK:
type = B43legacy_DMA_30BIT;
break;
case DMA_32BIT_MASK:
type = B43legacy_DMA_32BIT;
break;
case DMA_64BIT_MASK:
type = B43legacy_DMA_64BIT;
break;
}
err = ssb_dma_set_mask(dev->dev, dmamask);
if (err) {
@ -1010,52 +1051,50 @@ int b43legacy_dma_init(struct b43legacy_wldev *dev)
err = -ENOMEM;
/* setup TX DMA channels. */
ring = b43legacy_setup_dmaring(dev, 0, 1, dma64);
ring = b43legacy_setup_dmaring(dev, 0, 1, type);
if (!ring)
goto out;
dma->tx_ring0 = ring;
ring = b43legacy_setup_dmaring(dev, 1, 1, dma64);
ring = b43legacy_setup_dmaring(dev, 1, 1, type);
if (!ring)
goto err_destroy_tx0;
dma->tx_ring1 = ring;
ring = b43legacy_setup_dmaring(dev, 2, 1, dma64);
ring = b43legacy_setup_dmaring(dev, 2, 1, type);
if (!ring)
goto err_destroy_tx1;
dma->tx_ring2 = ring;
ring = b43legacy_setup_dmaring(dev, 3, 1, dma64);
ring = b43legacy_setup_dmaring(dev, 3, 1, type);
if (!ring)
goto err_destroy_tx2;
dma->tx_ring3 = ring;
ring = b43legacy_setup_dmaring(dev, 4, 1, dma64);
ring = b43legacy_setup_dmaring(dev, 4, 1, type);
if (!ring)
goto err_destroy_tx3;
dma->tx_ring4 = ring;
ring = b43legacy_setup_dmaring(dev, 5, 1, dma64);
ring = b43legacy_setup_dmaring(dev, 5, 1, type);
if (!ring)
goto err_destroy_tx4;
dma->tx_ring5 = ring;
/* setup RX DMA channels. */
ring = b43legacy_setup_dmaring(dev, 0, 0, dma64);
ring = b43legacy_setup_dmaring(dev, 0, 0, type);
if (!ring)
goto err_destroy_tx5;
dma->rx_ring0 = ring;
if (dev->dev->id.revision < 5) {
ring = b43legacy_setup_dmaring(dev, 3, 0, dma64);
ring = b43legacy_setup_dmaring(dev, 3, 0, type);
if (!ring)
goto err_destroy_rx0;
dma->rx_ring3 = ring;
}
b43legacydbg(dev->wl, "%d-bit DMA initialized\n",
(dmamask == DMA_64BIT_MASK) ? 64 :
(dmamask == DMA_32BIT_MASK) ? 32 : 30);
b43legacydbg(dev->wl, "%u-bit DMA initialized\n", (unsigned int)type);
err = 0;
out:
return err;
@ -1194,9 +1233,13 @@ static int dma_tx_fragment(struct b43legacy_dmaring *ring,
}
meta_hdr->dmaaddr = map_descbuffer(ring, (unsigned char *)header,
sizeof(struct b43legacy_txhdr_fw3), 1);
if (dma_mapping_error(meta_hdr->dmaaddr))
sizeof(struct b43legacy_txhdr_fw3), 1);
if (b43legacy_dma_mapping_error(ring, meta_hdr->dmaaddr,
sizeof(struct b43legacy_txhdr_fw3))) {
ring->current_slot = old_top_slot;
ring->used_slots = old_used_slots;
return -EIO;
}
ops->fill_descriptor(ring, desc, meta_hdr->dmaaddr,
sizeof(struct b43legacy_txhdr_fw3), 1, 0, 0);
@ -1211,7 +1254,7 @@ static int dma_tx_fragment(struct b43legacy_dmaring *ring,
meta->dmaaddr = map_descbuffer(ring, skb->data, skb->len, 1);
/* create a bounce buffer in zone_dma on mapping failure. */
if (dma_mapping_error(meta->dmaaddr)) {
if (b43legacy_dma_mapping_error(ring, meta->dmaaddr, skb->len)) {
bounce_skb = __dev_alloc_skb(skb->len, GFP_ATOMIC | GFP_DMA);
if (!bounce_skb) {
ring->current_slot = old_top_slot;
@ -1225,7 +1268,7 @@ static int dma_tx_fragment(struct b43legacy_dmaring *ring,
skb = bounce_skb;
meta->skb = skb;
meta->dmaaddr = map_descbuffer(ring, skb->data, skb->len, 1);
if (dma_mapping_error(meta->dmaaddr)) {
if (b43legacy_dma_mapping_error(ring, meta->dmaaddr, skb->len)) {
ring->current_slot = old_top_slot;
ring->used_slots = old_used_slots;
err = -EIO;

33
drivers/net/wireless/b43legacy/dma.h
View File

@ -218,6 +218,12 @@ struct b43legacy_dma_ops {
void (*set_current_rxslot)(struct b43legacy_dmaring *ring, int slot);
};
enum b43legacy_dmatype {
B43legacy_DMA_30BIT = 30,
B43legacy_DMA_32BIT = 32,
B43legacy_DMA_64BIT = 64,
};
struct b43legacy_dmaring {
/* Lowlevel DMA ops. */
const struct b43legacy_dma_ops *ops;
@ -250,8 +256,8 @@ struct b43legacy_dmaring {
int index;
/* Boolean. Is this a TX ring? */
bool tx;
/* Boolean. 64bit DMA if true, 32bit DMA otherwise. */
bool dma64;
/* The type of DMA engine used. */
enum b43legacy_dmatype type;
/* Boolean. Is this ring stopped at ieee80211 level? */
bool stopped;
/* Lock, only used for TX. */
@ -284,15 +290,6 @@ void b43legacy_dma_write(struct b43legacy_dmaring *ring,
int b43legacy_dma_init(struct b43legacy_wldev *dev);
void b43legacy_dma_free(struct b43legacy_wldev *dev);
int b43legacy_dmacontroller_rx_reset(struct b43legacy_wldev *dev,
u16 dmacontroller_mmio_base,
int dma64);
int b43legacy_dmacontroller_tx_reset(struct b43legacy_wldev *dev,
u16 dmacontroller_mmio_base,
int dma64);
u16 b43legacy_dmacontroller_base(int dma64bit, int dmacontroller_idx);
void b43legacy_dma_tx_suspend(struct b43legacy_wldev *dev);
void b43legacy_dma_tx_resume(struct b43legacy_wldev *dev);
@ -320,20 +317,6 @@ void b43legacy_dma_free(struct b43legacy_wldev *dev)
{
}
static inline
int b43legacy_dmacontroller_rx_reset(struct b43legacy_wldev *dev,
u16 dmacontroller_mmio_base,
int dma64)
{
return 0;
}
static inline
int b43legacy_dmacontroller_tx_reset(struct b43legacy_wldev *dev,
u16 dmacontroller_mmio_base,
int dma64)
{
return 0;
}
static inline
void b43legacy_dma_get_tx_stats(struct b43legacy_wldev *dev,
struct ieee80211_tx_queue_stats *stats)
{

41
drivers/net/wireless/b43legacy/main.c
View File

@ -3,7 +3,7 @@
* Broadcom B43legacy wireless driver
*
* Copyright (c) 2005 Martin Langer <martin-langer@gmx.de>
* Copyright (c) 2005-2007 Stefano Brivio <stefano.brivio@polimi.it>
* Copyright (c) 2005-2008 Stefano Brivio <stefano.brivio@polimi.it>
* Copyright (c) 2005, 2006 Michael Buesch <mb@bu3sch.de>
* Copyright (c) 2005 Danny van Dyk <kugelfang@gentoo.org>
* Copyright (c) 2005 Andreas Jaggi <andreas.jaggi@waterwave.ch>
@ -60,6 +60,8 @@ MODULE_AUTHOR("Stefano Brivio");
MODULE_AUTHOR("Michael Buesch");
MODULE_LICENSE("GPL");
MODULE_FIRMWARE(B43legacy_SUPPORTED_FIRMWARE_ID);
#if defined(CONFIG_B43LEGACY_DMA) && defined(CONFIG_B43LEGACY_PIO)
static int modparam_pio;
module_param_named(pio, modparam_pio, int, 0444);
@ -1640,10 +1642,11 @@ static int b43legacy_upload_microcode(struct b43legacy_wldev *dev)
err = -EOPNOTSUPP;
goto error;
}
b43legacydbg(dev->wl, "Loading firmware version 0x%X, patch level %u "
"(20%.2i-%.2i-%.2i %.2i:%.2i:%.2i)\n", fwrev, fwpatch,
(fwdate >> 12) & 0xF, (fwdate >> 8) & 0xF, fwdate & 0xFF,
(fwtime >> 11) & 0x1F, (fwtime >> 5) & 0x3F, fwtime & 0x1F);
b43legacyinfo(dev->wl, "Loading firmware version 0x%X, patch level %u "
"(20%.2i-%.2i-%.2i %.2i:%.2i:%.2i)\n", fwrev, fwpatch,
(fwdate >> 12) & 0xF, (fwdate >> 8) & 0xF, fwdate & 0xFF,
(fwtime >> 11) & 0x1F, (fwtime >> 5) & 0x3F,
fwtime & 0x1F);
dev->fw.rev = fwrev;
dev->fw.patch = fwpatch;
@ -3806,6 +3809,32 @@ static struct ssb_driver b43legacy_ssb_driver = {
.resume = b43legacy_resume,
};
static void b43legacy_print_driverinfo(void)
{
const char *feat_pci = "", *feat_leds = "", *feat_rfkill = "",
*feat_pio = "", *feat_dma = "";
#ifdef CONFIG_B43LEGACY_PCI_AUTOSELECT
feat_pci = "P";
#endif
#ifdef CONFIG_B43LEGACY_LEDS
feat_leds = "L";
#endif
#ifdef CONFIG_B43LEGACY_RFKILL
feat_rfkill = "R";
#endif
#ifdef CONFIG_B43LEGACY_PIO
feat_pio = "I";
#endif
#ifdef CONFIG_B43LEGACY_DMA
feat_dma = "D";
#endif
printk(KERN_INFO "Broadcom 43xx driver loaded "
"[ Features: %s%s%s%s%s, Firmware-ID: "
B43legacy_SUPPORTED_FIRMWARE_ID " ]\n",
feat_pci, feat_leds, feat_rfkill, feat_pio, feat_dma);
}
static int __init b43legacy_init(void)
{
int err;
@ -3816,6 +3845,8 @@ static int __init b43legacy_init(void)
if (err)
goto err_dfs_exit;
b43legacy_print_driverinfo();
return err;
err_dfs_exit:

45
drivers/net/wireless/ipw2200.c
View File

@ -3365,7 +3365,6 @@ static void ipw_rx_queue_reset(struct ipw_priv *priv,
/* Set us so that we have processed and used all buffers, but have
* not restocked the Rx queue with fresh buffers */
rxq->read = rxq->write = 0;
rxq->processed = RX_QUEUE_SIZE - 1;
rxq->free_count = 0;
spin_unlock_irqrestore(&rxq->lock, flags);
}
@ -3607,7 +3606,22 @@ static int ipw_load(struct ipw_priv *priv)
* Driver allocates buffers of this size for Rx
*/
static inline int ipw_queue_space(const struct clx2_queue *q)
/**
* ipw_rx_queue_space - Return number of free slots available in queue.
*/
static int ipw_rx_queue_space(const struct ipw_rx_queue *q)
{
int s = q->read - q->write;
if (s <= 0)
s += RX_QUEUE_SIZE;
/* keep some buffer to not confuse full and empty queue */
s -= 2;
if (s < 0)
s = 0;
return s;
}
static inline int ipw_tx_queue_space(const struct clx2_queue *q)
{
int s = q->last_used - q->first_empty;
if (s <= 0)
@ -4947,7 +4961,7 @@ static int ipw_queue_tx_reclaim(struct ipw_priv *priv,
priv->tx_packets++;
}
done:
if ((ipw_queue_space(q) > q->low_mark) &&
if ((ipw_tx_queue_space(q) > q->low_mark) &&
(qindex >= 0) &&
(priv->status & STATUS_ASSOCIATED) && netif_running(priv->net_dev))
netif_wake_queue(priv->net_dev);
@ -4965,7 +4979,7 @@ static int ipw_queue_tx_hcmd(struct ipw_priv *priv, int hcmd, void *buf,
struct clx2_queue *q = &txq->q;
struct tfd_frame *tfd;
if (ipw_queue_space(q) < (sync ? 1 : 2)) {
if (ipw_tx_queue_space(q) < (sync ? 1 : 2)) {
IPW_ERROR("No space for Tx\n");
return -EBUSY;
}
@ -5070,7 +5084,7 @@ static void ipw_rx_queue_restock(struct ipw_priv *priv)
spin_lock_irqsave(&rxq->lock, flags);
write = rxq->write;
while ((rxq->write != rxq->processed) && (rxq->free_count)) {
while ((ipw_rx_queue_space(rxq) > 0) && (rxq->free_count)) {
element = rxq->rx_free.next;
rxb = list_entry(element, struct ipw_rx_mem_buffer, list);
list_del(element);
@ -5187,7 +5201,6 @@ static struct ipw_rx_queue *ipw_rx_queue_alloc(struct ipw_priv *priv)
/* Set us so that we have processed and used all buffers, but have
* not restocked the Rx queue with fresh buffers */
rxq->read = rxq->write = 0;
rxq->processed = RX_QUEUE_SIZE - 1;
rxq->free_count = 0;
return rxq;
@ -8223,13 +8236,17 @@ static void ipw_rx(struct ipw_priv *priv)
struct ieee80211_hdr_4addr *header;
u32 r, w, i;
u8 network_packet;
u8 fill_rx = 0;
DECLARE_MAC_BUF(mac);
DECLARE_MAC_BUF(mac2);
DECLARE_MAC_BUF(mac3);
r = ipw_read32(priv, IPW_RX_READ_INDEX);
w = ipw_read32(priv, IPW_RX_WRITE_INDEX);
i = (priv->rxq->processed + 1) % RX_QUEUE_SIZE;
i = priv->rxq->read;
if (ipw_rx_queue_space (priv->rxq) > (RX_QUEUE_SIZE / 2))
fill_rx = 1;
while (i != r) {
rxb = priv->rxq->queue[i];
@ -8404,11 +8421,17 @@ static void ipw_rx(struct ipw_priv *priv)
list_add_tail(&rxb->list, &priv->rxq->rx_used);
i = (i + 1) % RX_QUEUE_SIZE;
/* If there are a lot of unsued frames, restock the Rx queue
* so the ucode won't assert */
if (fill_rx) {
priv->rxq->read = i;
ipw_rx_queue_replenish(priv);
}
}
/* Backtrack one entry */
priv->rxq->processed = (i ? i : RX_QUEUE_SIZE) - 1;
priv->rxq->read = i;
ipw_rx_queue_restock(priv);
}
@ -10336,7 +10359,7 @@ static int ipw_tx_skb(struct ipw_priv *priv, struct ieee80211_txb *txb,
q->first_empty = ipw_queue_inc_wrap(q->first_empty, q->n_bd);
ipw_write32(priv, q->reg_w, q->first_empty);
if (ipw_queue_space(q) < q->high_mark)
if (ipw_tx_queue_space(q) < q->high_mark)
netif_stop_queue(priv->net_dev);
return NETDEV_TX_OK;
@ -10357,7 +10380,7 @@ static int ipw_net_is_queue_full(struct net_device *dev, int pri)
struct clx2_tx_queue *txq = &priv->txq[0];
#endif /* CONFIG_IPW2200_QOS */
if (ipw_queue_space(&txq->q) < txq->q.high_mark)
if (ipw_tx_queue_space(&txq->q) < txq->q.high_mark)
return 1;
return 0;

19
drivers/net/wireless/iwlwifi/iwl3945-base.c
View File

@ -687,6 +687,12 @@ static int iwl3945_enqueue_hcmd(struct iwl3945_priv *priv, struct iwl3945_host_c
BUG_ON((fix_size > TFD_MAX_PAYLOAD_SIZE) &&
!(cmd->meta.flags & CMD_SIZE_HUGE));
if (iwl3945_is_rfkill(priv)) {
IWL_DEBUG_INFO("Not sending command - RF KILL");
return -EIO;
}
if (iwl3945_queue_space(q) < ((cmd->meta.flags & CMD_ASYNC) ? 2 : 1)) {
IWL_ERROR("No space for Tx\n");
return -ENOSPC;
@ -1580,7 +1586,7 @@ static inline int iwl3945_eeprom_acquire_semaphore(struct iwl3945_priv *priv)
*/
int iwl3945_eeprom_init(struct iwl3945_priv *priv)
{
__le16 *e = (__le16 *)&priv->eeprom;
u16 *e = (u16 *)&priv->eeprom;
u32 gp = iwl3945_read32(priv, CSR_EEPROM_GP);
u32 r;
int sz = sizeof(priv->eeprom);
@ -1623,7 +1629,7 @@ int iwl3945_eeprom_init(struct iwl3945_priv *priv)
IWL_ERROR("Time out reading EEPROM[%d]", addr);
return -ETIMEDOUT;
}
e[addr / 2] = cpu_to_le16(r >> 16);
e[addr / 2] = le16_to_cpu((__force __le16)(r >> 16));
}
return 0;
@ -2806,7 +2812,8 @@ static int iwl3945_tx_skb(struct iwl3945_priv *priv,
#endif
/* drop all data frame if we are not associated */
if ((!iwl3945_is_associated(priv) || !priv->assoc_id) &&
if ((!iwl3945_is_associated(priv) ||
((priv->iw_mode == IEEE80211_IF_TYPE_STA) && !priv->assoc_id)) &&
((fc & IEEE80211_FCTL_FTYPE) == IEEE80211_FTYPE_DATA)) {
IWL_DEBUG_DROP("Dropping - !iwl3945_is_associated\n");
goto drop_unlock;
@ -4281,7 +4288,7 @@ static void iwl3945_rx_handle(struct iwl3945_priv *priv)
int reclaim;
unsigned long flags;
u8 fill_rx = 0;
u32 count = 0;
u32 count = 8;
/* uCode's read index (stored in shared DRAM) indicates the last Rx
* buffer that the driver may process (last buffer filled by ucode). */
@ -6256,6 +6263,8 @@ static void __iwl3945_down(struct iwl3945_priv *priv)
STATUS_RF_KILL_HW |
test_bit(STATUS_RF_KILL_SW, &priv->status) <<
STATUS_RF_KILL_SW |
test_bit(STATUS_GEO_CONFIGURED, &priv->status) <<
STATUS_GEO_CONFIGURED |
test_bit(STATUS_IN_SUSPEND, &priv->status) <<
STATUS_IN_SUSPEND;
goto exit;
@ -6267,6 +6276,8 @@ static void __iwl3945_down(struct iwl3945_priv *priv)
STATUS_RF_KILL_HW |
test_bit(STATUS_RF_KILL_SW, &priv->status) <<
STATUS_RF_KILL_SW |
test_bit(STATUS_GEO_CONFIGURED, &priv->status) <<
STATUS_GEO_CONFIGURED |
test_bit(STATUS_IN_SUSPEND, &priv->status) <<
STATUS_IN_SUSPEND |
test_bit(STATUS_FW_ERROR, &priv->status) <<

17
drivers/net/wireless/iwlwifi/iwl4965-base.c
View File

@ -692,6 +692,11 @@ static int iwl4965_enqueue_hcmd(struct iwl4965_priv *priv, struct iwl4965_host_c
BUG_ON((fix_size > TFD_MAX_PAYLOAD_SIZE) &&
!(cmd->meta.flags & CMD_SIZE_HUGE));
if (iwl4965_is_rfkill(priv)) {
IWL_DEBUG_INFO("Not sending command - RF KILL");
return -EIO;
}
if (iwl4965_queue_space(q) < ((cmd->meta.flags & CMD_ASYNC) ? 2 : 1)) {
IWL_ERROR("No space for Tx\n");
return -ENOSPC;
@ -1654,7 +1659,7 @@ static inline void iwl4965_eeprom_release_semaphore(struct iwl4965_priv *priv)
*/
int iwl4965_eeprom_init(struct iwl4965_priv *priv)
{
__le16 *e = (__le16 *)&priv->eeprom;
u16 *e = (u16 *)&priv->eeprom;
u32 gp = iwl4965_read32(priv, CSR_EEPROM_GP);
u32 r;
int sz = sizeof(priv->eeprom);
@ -1698,7 +1703,7 @@ int iwl4965_eeprom_init(struct iwl4965_priv *priv)
rc = -ETIMEDOUT;
goto done;
}
e[addr / 2] = cpu_to_le16(r >> 16);
e[addr / 2] = le16_to_cpu((__force __le16)(r >> 16));
}
rc = 0;
@ -2935,7 +2940,7 @@ static int iwl4965_tx_skb(struct iwl4965_priv *priv,
/* drop all data frame if we are not associated */
if (((fc & IEEE80211_FCTL_FTYPE) == IEEE80211_FTYPE_DATA) &&
(!iwl4965_is_associated(priv) ||
!priv->assoc_id ||
((priv->iw_mode == IEEE80211_IF_TYPE_STA) && !priv->assoc_id) ||
!priv->assoc_station_added)) {
IWL_DEBUG_DROP("Dropping - !iwl4965_is_associated\n");
goto drop_unlock;
@ -4664,7 +4669,7 @@ static void iwl4965_rx_handle(struct iwl4965_priv *priv)
int reclaim;
unsigned long flags;
u8 fill_rx = 0;
u32 count = 0;
u32 count = 8;
/* uCode's read index (stored in shared DRAM) indicates the last Rx
* buffer that the driver may process (last buffer filled by ucode). */
@ -6680,6 +6685,8 @@ static void __iwl4965_down(struct iwl4965_priv *priv)
STATUS_RF_KILL_HW |
test_bit(STATUS_RF_KILL_SW, &priv->status) <<
STATUS_RF_KILL_SW |
test_bit(STATUS_GEO_CONFIGURED, &priv->status) <<
STATUS_GEO_CONFIGURED |
test_bit(STATUS_IN_SUSPEND, &priv->status) <<
STATUS_IN_SUSPEND;
goto exit;
@ -6691,6 +6698,8 @@ static void __iwl4965_down(struct iwl4965_priv *priv)
STATUS_RF_KILL_HW |
test_bit(STATUS_RF_KILL_SW, &priv->status) <<
STATUS_RF_KILL_SW |
test_bit(STATUS_GEO_CONFIGURED, &priv->status) <<
STATUS_GEO_CONFIGURED |
test_bit(STATUS_IN_SUSPEND, &priv->status) <<
STATUS_IN_SUSPEND |
test_bit(STATUS_FW_ERROR, &priv->status) <<

14
drivers/net/wireless/rndis_wlan.c
View File

@ -2300,7 +2300,7 @@ static void rndis_update_wireless_stats(struct work_struct *work)
struct usbnet *usbdev = priv->usbdev;
struct iw_statistics iwstats;
__le32 rssi, tmp;
int len, ret, bitrate, j;
int len, ret, j;
unsigned long flags;
int update_jiffies = STATS_UPDATE_JIFFIES;
void *buf;
@ -2352,14 +2352,10 @@ static void rndis_update_wireless_stats(struct work_struct *work)
if (ret == 0)
iwstats.discard.misc += le32_to_cpu(tmp);
/* Workaround transfer stalls on poor quality links. */
len = sizeof(tmp);
ret = rndis_query_oid(usbdev, OID_GEN_LINK_SPEED, &tmp, &len);
if (ret == 0) {
bitrate = le32_to_cpu(tmp) * 100;
if (bitrate > 11000000)
goto end;
/* Workaround transfer stalls on poor quality links.
* TODO: find right way to fix these stalls (as stalls do not happen
* with ndiswrapper/windows driver). */
if (iwstats.qual.qual <= 25) {
/* Decrease stats worker interval to catch stalls.
* faster. Faster than 400-500ms causes packet loss,
* Slower doesn't catch stalls fast enough.

2
drivers/net/wireless/rt2x00/rt2500usb.c
View File

@ -1839,11 +1839,11 @@ static struct usb_device_id rt2500usb_device_table[] = {
/* Hercules */
{ USB_DEVICE(0x06f8, 0xe000), USB_DEVICE_DATA(&rt2500usb_ops) },
/* Melco */
{ USB_DEVICE(0x0411, 0x005e), USB_DEVICE_DATA(&rt2500usb_ops) },
{ USB_DEVICE(0x0411, 0x0066), USB_DEVICE_DATA(&rt2500usb_ops) },
{ USB_DEVICE(0x0411, 0x0067), USB_DEVICE_DATA(&rt2500usb_ops) },
{ USB_DEVICE(0x0411, 0x008b), USB_DEVICE_DATA(&rt2500usb_ops) },
{ USB_DEVICE(0x0411, 0x0097), USB_DEVICE_DATA(&rt2500usb_ops) },
/* MSI */
{ USB_DEVICE(0x0db0, 0x6861), USB_DEVICE_DATA(&rt2500usb_ops) },
{ USB_DEVICE(0x0db0, 0x6865), USB_DEVICE_DATA(&rt2500usb_ops) },

6
drivers/net/wireless/wavelan.h
View File

@ -85,7 +85,7 @@ union hacs_u
#define HASR_MMC_INTR 0x0002 /* Interrupt request from MMC */
#define HASR_MMC_BUSY 0x0004 /* MMC busy indication */
#define HASR_PSA_BUSY 0x0008 /* LAN parameter storage area busy */
};
} __attribute__ ((packed));
typedef struct ha_t ha_t;
struct ha_t
@ -292,7 +292,7 @@ struct mmw_t
#define MMW_EXT_ANT_INTERNAL 0x00 /* Internal antenna */
#define MMW_EXT_ANT_EXTERNAL 0x03 /* External antenna */
#define MMW_EXT_ANT_IQ_TEST 0x1C /* IQ test pattern (set to 0) */
};
} __attribute__ ((packed));
#define MMW_SIZE 37
@ -347,7 +347,7 @@ struct mmr_t
unsigned char mmr_unused4[1]; /* unused */
unsigned char mmr_fee_data_l; /* Read data from EEPROM (low) */
unsigned char mmr_fee_data_h; /* Read data from EEPROM (high) */
};
} __attribute__ ((packed));
#define MMR_SIZE 36

5
net/mac80211/ieee80211.c
View File

@ -165,6 +165,7 @@ static int ieee80211_open(struct net_device *dev)
struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
struct ieee80211_if_init_conf conf;
int res;
bool need_hw_reconfig = 0;
sdata = IEEE80211_DEV_TO_SUB_IF(dev);
@ -218,7 +219,7 @@ static int ieee80211_open(struct net_device *dev)
res = local->ops->start(local_to_hw(local));
if (res)
return res;
ieee80211_hw_config(local);
need_hw_reconfig = 1;
ieee80211_led_radio(local, local->hw.conf.radio_enabled);
}
@ -282,6 +283,8 @@ static int ieee80211_open(struct net_device *dev)
atomic_inc(&local->iff_promiscs);
local->open_count++;
if (need_hw_reconfig)
ieee80211_hw_config(local);
netif_start_queue(dev);