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 2008-02-05 19:58:05 -08:00
commit a29961b33b
10 changed files with 171 additions and 74 deletions
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137
drivers/net/wireless/b43/dma.c
View File

@ -337,7 +337,7 @@ static inline int txring_to_priority(struct b43_dmaring *ring)
return idx_to_prio[index];
}
u16 b43_dmacontroller_base(int dma64bit, int controller_idx)
static u16 b43_dmacontroller_base(enum b43_dmatype type, int controller_idx)
{
static const u16 map64[] = {
B43_MMIO_DMA64_BASE0,
@ -356,7 +356,7 @@ u16 b43_dmacontroller_base(int dma64bit, int controller_idx)
B43_MMIO_DMA32_BASE5,
};
if (dma64bit) {
if (type == B43_DMA_64BIT) {
B43_WARN_ON(!(controller_idx >= 0 &&
controller_idx < ARRAY_SIZE(map64)));
return map64[controller_idx];
@ -437,7 +437,7 @@ static int alloc_ringmemory(struct b43_dmaring *ring)
* 02, which uses 64-bit DMA, needs the ring buffer in very low memory,
* which accounts for the GFP_DMA flag below.
*/
if (ring->dma64)
if (ring->type == B43_DMA_64BIT)
flags |= GFP_DMA;
ring->descbase = dma_alloc_coherent(dev, B43_DMA_RINGMEMSIZE,
&(ring->dmabase), flags);
@ -459,7 +459,8 @@ static void free_ringmemory(struct b43_dmaring *ring)
}
/* Reset the RX DMA channel */
int b43_dmacontroller_rx_reset(struct b43_wldev *dev, u16 mmio_base, int dma64)
static int b43_dmacontroller_rx_reset(struct b43_wldev *dev, u16 mmio_base,
enum b43_dmatype type)
{
int i;
u32 value;
@ -467,12 +468,13 @@ int b43_dmacontroller_rx_reset(struct b43_wldev *dev, u16 mmio_base, int dma64)
might_sleep();
offset = dma64 ? B43_DMA64_RXCTL : B43_DMA32_RXCTL;
offset = (type == B43_DMA_64BIT) ? B43_DMA64_RXCTL : B43_DMA32_RXCTL;
b43_write32(dev, mmio_base + offset, 0);
for (i = 0; i < 10; i++) {
offset = dma64 ? B43_DMA64_RXSTATUS : B43_DMA32_RXSTATUS;
offset = (type == B43_DMA_64BIT) ? B43_DMA64_RXSTATUS :
B43_DMA32_RXSTATUS;
value = b43_read32(dev, mmio_base + offset);
if (dma64) {
if (type == B43_DMA_64BIT) {
value &= B43_DMA64_RXSTAT;
if (value == B43_DMA64_RXSTAT_DISABLED) {
i = -1;
@ -496,7 +498,8 @@ int b43_dmacontroller_rx_reset(struct b43_wldev *dev, u16 mmio_base, int dma64)
}
/* Reset the TX DMA channel */
int b43_dmacontroller_tx_reset(struct b43_wldev *dev, u16 mmio_base, int dma64)
static int b43_dmacontroller_tx_reset(struct b43_wldev *dev, u16 mmio_base,
enum b43_dmatype type)
{
int i;
u32 value;
@ -505,9 +508,10 @@ int b43_dmacontroller_tx_reset(struct b43_wldev *dev, u16 mmio_base, int dma64)
might_sleep();
for (i = 0; i < 10; i++) {
offset = dma64 ? B43_DMA64_TXSTATUS : B43_DMA32_TXSTATUS;
offset = (type == B43_DMA_64BIT) ? B43_DMA64_TXSTATUS :
B43_DMA32_TXSTATUS;
value = b43_read32(dev, mmio_base + offset);
if (dma64) {
if (type == B43_DMA_64BIT) {
value &= B43_DMA64_TXSTAT;
if (value == B43_DMA64_TXSTAT_DISABLED ||
value == B43_DMA64_TXSTAT_IDLEWAIT ||
@ -522,12 +526,13 @@ int b43_dmacontroller_tx_reset(struct b43_wldev *dev, u16 mmio_base, int dma64)
}
msleep(1);
}
offset = dma64 ? B43_DMA64_TXCTL : B43_DMA32_TXCTL;
offset = (type == B43_DMA_64BIT) ? B43_DMA64_TXCTL : B43_DMA32_TXCTL;
b43_write32(dev, mmio_base + offset, 0);
for (i = 0; i < 10; i++) {
offset = dma64 ? B43_DMA64_TXSTATUS : B43_DMA32_TXSTATUS;
offset = (type == B43_DMA_64BIT) ? B43_DMA64_TXSTATUS :
B43_DMA32_TXSTATUS;
value = b43_read32(dev, mmio_base + offset);
if (dma64) {
if (type == B43_DMA_64BIT) {
value &= B43_DMA64_TXSTAT;
if (value == B43_DMA64_TXSTAT_DISABLED) {
i = -1;
@ -552,6 +557,33 @@ int b43_dmacontroller_tx_reset(struct b43_wldev *dev, u16 mmio_base, int dma64)
return 0;
}
/* Check if a DMA mapping address is invalid. */
static bool b43_dma_mapping_error(struct b43_dmaring *ring,
dma_addr_t addr,
size_t buffersize)
{
if (unlikely(dma_mapping_error(addr)))
return 1;
switch (ring->type) {
case B43_DMA_30BIT:
if ((u64)addr + buffersize > (1ULL << 30))
return 1;
break;
case B43_DMA_32BIT:
if ((u64)addr + buffersize > (1ULL << 32))
return 1;
break;
case B43_DMA_64BIT:
/* Currently we can't have addresses beyond
* 64bit in the kernel. */
break;
}
/* The address is OK. */
return 0;
}
static int setup_rx_descbuffer(struct b43_dmaring *ring,
struct b43_dmadesc_generic *desc,
struct b43_dmadesc_meta *meta, gfp_t gfp_flags)
@ -567,7 +599,7 @@ static int setup_rx_descbuffer(struct b43_dmaring *ring,
if (unlikely(!skb))
return -ENOMEM;
dmaaddr = map_descbuffer(ring, skb->data, ring->rx_buffersize, 0);
if (dma_mapping_error(dmaaddr)) {
if (b43_dma_mapping_error(ring, dmaaddr, ring->rx_buffersize)) {
/* ugh. try to realloc in zone_dma */
gfp_flags |= GFP_DMA;
@ -580,7 +612,7 @@ static int setup_rx_descbuffer(struct b43_dmaring *ring,
ring->rx_buffersize, 0);
}
if (dma_mapping_error(dmaaddr)) {
if (b43_dma_mapping_error(ring, dmaaddr, ring->rx_buffersize)) {
dev_kfree_skb_any(skb);
return -EIO;
}
@ -645,7 +677,7 @@ static int dmacontroller_setup(struct b43_dmaring *ring)
u32 trans = ssb_dma_translation(ring->dev->dev);
if (ring->tx) {
if (ring->dma64) {
if (ring->type == B43_DMA_64BIT) {
u64 ringbase = (u64) (ring->dmabase);
addrext = ((ringbase >> 32) & SSB_DMA_TRANSLATION_MASK)
@ -677,7 +709,7 @@ static int dmacontroller_setup(struct b43_dmaring *ring)
err = alloc_initial_descbuffers(ring);
if (err)
goto out;
if (ring->dma64) {
if (ring->type == B43_DMA_64BIT) {
u64 ringbase = (u64) (ring->dmabase);
addrext = ((ringbase >> 32) & SSB_DMA_TRANSLATION_MASK)
@ -722,16 +754,16 @@ static void dmacontroller_cleanup(struct b43_dmaring *ring)
{
if (ring->tx) {
b43_dmacontroller_tx_reset(ring->dev, ring->mmio_base,
ring->dma64);
if (ring->dma64) {
ring->type);
if (ring->type == B43_DMA_64BIT) {
b43_dma_write(ring, B43_DMA64_TXRINGLO, 0);
b43_dma_write(ring, B43_DMA64_TXRINGHI, 0);
} else
b43_dma_write(ring, B43_DMA32_TXRING, 0);
} else {
b43_dmacontroller_rx_reset(ring->dev, ring->mmio_base,
ring->dma64);
if (ring->dma64) {
ring->type);
if (ring->type == B43_DMA_64BIT) {
b43_dma_write(ring, B43_DMA64_RXRINGLO, 0);
b43_dma_write(ring, B43_DMA64_RXRINGHI, 0);
} else
@ -786,7 +818,8 @@ static u64 supported_dma_mask(struct b43_wldev *dev)
static
struct b43_dmaring *b43_setup_dmaring(struct b43_wldev *dev,
int controller_index,
int for_tx, int dma64)
int for_tx,
enum b43_dmatype type)
{
struct b43_dmaring *ring;
int err;
@ -796,6 +829,7 @@ struct b43_dmaring *b43_setup_dmaring(struct b43_wldev *dev,
ring = kzalloc(sizeof(*ring), GFP_KERNEL);
if (!ring)
goto out;
ring->type = type;
nr_slots = B43_RXRING_SLOTS;
if (for_tx)
@ -818,7 +852,7 @@ struct b43_dmaring *b43_setup_dmaring(struct b43_wldev *dev,
b43_txhdr_size(dev),
DMA_TO_DEVICE);
if (dma_mapping_error(dma_test)) {
if (b43_dma_mapping_error(ring, dma_test, b43_txhdr_size(dev))) {
/* ugh realloc */
kfree(ring->txhdr_cache);
ring->txhdr_cache = kcalloc(nr_slots,
@ -832,7 +866,8 @@ struct b43_dmaring *b43_setup_dmaring(struct b43_wldev *dev,
b43_txhdr_size(dev),
DMA_TO_DEVICE);
if (dma_mapping_error(dma_test))
if (b43_dma_mapping_error(ring, dma_test,
b43_txhdr_size(dev)))
goto err_kfree_txhdr_cache;
}
@ -843,10 +878,9 @@ struct b43_dmaring *b43_setup_dmaring(struct b43_wldev *dev,
ring->dev = dev;
ring->nr_slots = nr_slots;
ring->mmio_base = b43_dmacontroller_base(dma64, controller_index);
ring->mmio_base = b43_dmacontroller_base(type, controller_index);
ring->index = controller_index;
ring->dma64 = !!dma64;
if (dma64)
if (type == B43_DMA_64BIT)
ring->ops = &dma64_ops;
else
ring->ops = &dma32_ops;
@ -896,8 +930,8 @@ static void b43_destroy_dmaring(struct b43_dmaring *ring)
if (!ring)
return;
b43dbg(ring->dev->wl, "DMA-%s 0x%04X (%s) max used slots: %d/%d\n",
(ring->dma64) ? "64" : "32",
b43dbg(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,
@ -941,12 +975,22 @@ int b43_dma_init(struct b43_wldev *dev)
struct b43_dmaring *ring;
int err;
u64 dmamask;
int dma64 = 0;
enum b43_dmatype type;
dmamask = supported_dma_mask(dev);
if (dmamask == DMA_64BIT_MASK)
dma64 = 1;
switch (dmamask) {
default:
B43_WARN_ON(1);
case DMA_30BIT_MASK:
type = B43_DMA_30BIT;
break;
case DMA_32BIT_MASK:
type = B43_DMA_32BIT;
break;
case DMA_64BIT_MASK:
type = B43_DMA_64BIT;
break;
}
err = ssb_dma_set_mask(dev->dev, dmamask);
if (err) {
b43err(dev->wl, "The machine/kernel does not support "
@ -958,52 +1002,51 @@ int b43_dma_init(struct b43_wldev *dev)
err = -ENOMEM;
/* setup TX DMA channels. */
ring = b43_setup_dmaring(dev, 0, 1, dma64);
ring = b43_setup_dmaring(dev, 0, 1, type);
if (!ring)
goto out;
dma->tx_ring0 = ring;
ring = b43_setup_dmaring(dev, 1, 1, dma64);
ring = b43_setup_dmaring(dev, 1, 1, type);
if (!ring)
goto err_destroy_tx0;
dma->tx_ring1 = ring;
ring = b43_setup_dmaring(dev, 2, 1, dma64);
ring = b43_setup_dmaring(dev, 2, 1, type);
if (!ring)
goto err_destroy_tx1;
dma->tx_ring2 = ring;
ring = b43_setup_dmaring(dev, 3, 1, dma64);
ring = b43_setup_dmaring(dev, 3, 1, type);
if (!ring)
goto err_destroy_tx2;
dma->tx_ring3 = ring;
ring = b43_setup_dmaring(dev, 4, 1, dma64);
ring = b43_setup_dmaring(dev, 4, 1, type);
if (!ring)
goto err_destroy_tx3;
dma->tx_ring4 = ring;
ring = b43_setup_dmaring(dev, 5, 1, dma64);
ring = b43_setup_dmaring(dev, 5, 1, type);
if (!ring)
goto err_destroy_tx4;
dma->tx_ring5 = ring;
/* setup RX DMA channels. */
ring = b43_setup_dmaring(dev, 0, 0, dma64);
ring = b43_setup_dmaring(dev, 0, 0, type);
if (!ring)
goto err_destroy_tx5;
dma->rx_ring0 = ring;
if (dev->dev->id.revision < 5) {
ring = b43_setup_dmaring(dev, 3, 0, dma64);
ring = b43_setup_dmaring(dev, 3, 0, type);
if (!ring)
goto err_destroy_rx0;
dma->rx_ring3 = ring;
}
b43dbg(dev->wl, "%d-bit DMA initialized\n",
(dmamask == DMA_64BIT_MASK) ? 64 :
(dmamask == DMA_32BIT_MASK) ? 32 : 30);
b43dbg(dev->wl, "%u-bit DMA initialized\n",
(unsigned int)type);
err = 0;
out:
return err;
@ -1146,7 +1189,7 @@ static int dma_tx_fragment(struct b43_dmaring *ring,
meta_hdr->dmaaddr = map_descbuffer(ring, (unsigned char *)header,
hdrsize, 1);
if (dma_mapping_error(meta_hdr->dmaaddr)) {
if (b43_dma_mapping_error(ring, meta_hdr->dmaaddr, hdrsize)) {
ring->current_slot = old_top_slot;
ring->used_slots = old_used_slots;
return -EIO;
@ -1165,7 +1208,7 @@ static int dma_tx_fragment(struct b43_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 (b43_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;
@ -1179,7 +1222,7 @@ static int dma_tx_fragment(struct b43_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 (b43_dma_mapping_error(ring, meta->dmaaddr, skb->len)) {
ring->current_slot = old_top_slot;
ring->used_slots = old_used_slots;
err = -EIO;

20
drivers/net/wireless/b43/dma.h
View File

@ -203,6 +203,12 @@ struct b43_dma_ops {
void (*set_current_rxslot) (struct b43_dmaring * ring, int slot);
};
enum b43_dmatype {
B43_DMA_30BIT = 30,
B43_DMA_32BIT = 32,
B43_DMA_64BIT = 64,
};
struct b43_dmaring {
/* Lowlevel DMA ops. */
const struct b43_dma_ops *ops;
@ -235,8 +241,8 @@ struct b43_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 b43_dmatype type;
/* Boolean. Is this ring stopped at ieee80211 level? */
bool stopped;
/* Lock, only used for TX. */
@ -255,8 +261,7 @@ static inline u32 b43_dma_read(struct b43_dmaring *ring, u16 offset)
return b43_read32(ring->dev, ring->mmio_base + offset);
}
static inline
void b43_dma_write(struct b43_dmaring *ring, u16 offset, u32 value)
static inline void b43_dma_write(struct b43_dmaring *ring, u16 offset, u32 value)
{
b43_write32(ring->dev, ring->mmio_base + offset, value);
}
@ -264,13 +269,6 @@ static inline
int b43_dma_init(struct b43_wldev *dev);
void b43_dma_free(struct b43_wldev *dev);
int b43_dmacontroller_rx_reset(struct b43_wldev *dev,
u16 dmacontroller_mmio_base, int dma64);
int b43_dmacontroller_tx_reset(struct b43_wldev *dev,
u16 dmacontroller_mmio_base, int dma64);
u16 b43_dmacontroller_base(int dma64bit, int dmacontroller_idx);
void b43_dma_tx_suspend(struct b43_wldev *dev);
void b43_dma_tx_resume(struct b43_wldev *dev);

23
drivers/net/wireless/b43legacy/dma.c
View File

@ -1164,7 +1164,7 @@ static int dma_tx_fragment(struct b43legacy_dmaring *ring,
{
const struct b43legacy_dma_ops *ops = ring->ops;
u8 *header;
int slot;
int slot, old_top_slot, old_used_slots;
int err;
struct b43legacy_dmadesc_generic *desc;
struct b43legacy_dmadesc_meta *meta;
@ -1174,6 +1174,9 @@ static int dma_tx_fragment(struct b43legacy_dmaring *ring,
#define SLOTS_PER_PACKET 2
B43legacy_WARN_ON(skb_shinfo(skb)->nr_frags != 0);
old_top_slot = ring->current_slot;
old_used_slots = ring->used_slots;
/* Get a slot for the header. */
slot = request_slot(ring);
desc = ops->idx2desc(ring, slot, &meta_hdr);
@ -1181,9 +1184,14 @@ static int dma_tx_fragment(struct b43legacy_dmaring *ring,
header = &(ring->txhdr_cache[slot * sizeof(
struct b43legacy_txhdr_fw3)]);
b43legacy_generate_txhdr(ring->dev, header,
err = b43legacy_generate_txhdr(ring->dev, header,
skb->data, skb->len, ctl,
generate_cookie(ring, slot));
if (unlikely(err)) {
ring->current_slot = old_top_slot;
ring->used_slots = old_used_slots;
return err;
}
meta_hdr->dmaaddr = map_descbuffer(ring, (unsigned char *)header,
sizeof(struct b43legacy_txhdr_fw3), 1);
@ -1206,6 +1214,8 @@ static int dma_tx_fragment(struct b43legacy_dmaring *ring,
if (dma_mapping_error(meta->dmaaddr)) {
bounce_skb = __dev_alloc_skb(skb->len, GFP_ATOMIC | GFP_DMA);
if (!bounce_skb) {
ring->current_slot = old_top_slot;
ring->used_slots = old_used_slots;
err = -ENOMEM;
goto out_unmap_hdr;
}
@ -1216,6 +1226,8 @@ static int dma_tx_fragment(struct b43legacy_dmaring *ring,
meta->skb = skb;
meta->dmaaddr = map_descbuffer(ring, skb->data, skb->len, 1);
if (dma_mapping_error(meta->dmaaddr)) {
ring->current_slot = old_top_slot;
ring->used_slots = old_used_slots;
err = -EIO;
goto out_free_bounce;
}
@ -1282,6 +1294,13 @@ int b43legacy_dma_tx(struct b43legacy_wldev *dev,
B43legacy_BUG_ON(ring->stopped);
err = dma_tx_fragment(ring, skb, ctl);
if (unlikely(err == -ENOKEY)) {
/* Drop this packet, as we don't have the encryption key
* anymore and must not transmit it unencrypted. */
dev_kfree_skb_any(skb);
err = 0;
goto out_unlock;
}
if (unlikely(err)) {
b43legacyerr(dev->wl, "DMA tx mapping failure\n");
goto out_unlock;

9
drivers/net/wireless/b43legacy/main.c
View File

@ -3160,8 +3160,6 @@ static int b43legacy_wireless_core_init(struct b43legacy_wldev *dev)
b43legacy_shm_write16(dev, B43legacy_SHM_SHARED, 0x0414, 0x01F4);
ssb_bus_powerup(bus, 1); /* Enable dynamic PCTL */
memset(wl->bssid, 0, ETH_ALEN);
memset(wl->mac_addr, 0, ETH_ALEN);
b43legacy_upload_card_macaddress(dev);
b43legacy_security_init(dev);
b43legacy_rng_init(wl);
@ -3263,6 +3261,13 @@ static int b43legacy_op_start(struct ieee80211_hw *hw)
* LEDs that are registered later depend on it. */
b43legacy_rfkill_init(dev);
/* Kill all old instance specific information to make sure
* the card won't use it in the short timeframe between start
* and mac80211 reconfiguring it. */
memset(wl->bssid, 0, ETH_ALEN);
memset(wl->mac_addr, 0, ETH_ALEN);
wl->filter_flags = 0;
mutex_lock(&wl->mutex);
if (b43legacy_status(dev) < B43legacy_STAT_INITIALIZED) {

21
drivers/net/wireless/b43legacy/pio.c
View File

@ -181,7 +181,7 @@ union txhdr_union {
struct b43legacy_txhdr_fw3 txhdr_fw3;
};
static void pio_tx_write_fragment(struct b43legacy_pioqueue *queue,
static int pio_tx_write_fragment(struct b43legacy_pioqueue *queue,
struct sk_buff *skb,
struct b43legacy_pio_txpacket *packet,
size_t txhdr_size)
@ -189,14 +189,17 @@ static void pio_tx_write_fragment(struct b43legacy_pioqueue *queue,
union txhdr_union txhdr_data;
u8 *txhdr = NULL;
unsigned int octets;
int err;
txhdr = (u8 *)(&txhdr_data.txhdr_fw3);
B43legacy_WARN_ON(skb_shinfo(skb)->nr_frags != 0);
b43legacy_generate_txhdr(queue->dev,
err = b43legacy_generate_txhdr(queue->dev,
txhdr, skb->data, skb->len,
&packet->txstat.control,
generate_cookie(queue, packet));
if (err)
return err;
tx_start(queue);
octets = skb->len + txhdr_size;
@ -204,6 +207,8 @@ static void pio_tx_write_fragment(struct b43legacy_pioqueue *queue,
octets--;
tx_data(queue, txhdr, (u8 *)skb->data, octets);
tx_complete(queue, skb);
return 0;
}
static void free_txpacket(struct b43legacy_pio_txpacket *packet,
@ -226,6 +231,7 @@ static int pio_tx_packet(struct b43legacy_pio_txpacket *packet)
struct b43legacy_pioqueue *queue = packet->queue;
struct sk_buff *skb = packet->skb;
u16 octets;
int err;
octets = (u16)skb->len + sizeof(struct b43legacy_txhdr_fw3);
if (queue->tx_devq_size < octets) {
@ -247,8 +253,14 @@ static int pio_tx_packet(struct b43legacy_pio_txpacket *packet)
if (queue->tx_devq_used + octets > queue->tx_devq_size)
return -EBUSY;
/* Now poke the device. */
pio_tx_write_fragment(queue, skb, packet,
err = pio_tx_write_fragment(queue, skb, packet,
sizeof(struct b43legacy_txhdr_fw3));
if (unlikely(err == -ENOKEY)) {
/* Drop this packet, as we don't have the encryption key
* anymore and must not transmit it unencrypted. */
free_txpacket(packet, 1);
return 0;
}
/* Account for the packet size.
* (We must not overflow the device TX queue)
@ -486,6 +498,9 @@ void b43legacy_pio_handle_txstatus(struct b43legacy_wldev *dev,
queue = parse_cookie(dev, status->cookie, &packet);
B43legacy_WARN_ON(!queue);
if (!packet->skb)
return;
queue->tx_devq_packets--;
queue->tx_devq_used -= (packet->skb->len +
sizeof(struct b43legacy_txhdr_fw3));

15
drivers/net/wireless/b43legacy/xmit.c
View File

@ -181,7 +181,7 @@ static u8 b43legacy_calc_fallback_rate(u8 bitrate)
return 0;
}
static void generate_txhdr_fw3(struct b43legacy_wldev *dev,
static int generate_txhdr_fw3(struct b43legacy_wldev *dev,
struct b43legacy_txhdr_fw3 *txhdr,
const unsigned char *fragment_data,
unsigned int fragment_len,
@ -252,6 +252,13 @@ static void generate_txhdr_fw3(struct b43legacy_wldev *dev,
iv_len = min((size_t)txctl->iv_len,
ARRAY_SIZE(txhdr->iv));
memcpy(txhdr->iv, ((u8 *)wlhdr) + wlhdr_len, iv_len);
} else {
/* This key is invalid. This might only happen
* in a short timeframe after machine resume before
* we were able to reconfigure keys.
* Drop this packet completely. Do not transmit it
* unencrypted to avoid leaking information. */
return -ENOKEY;
}
}
b43legacy_generate_plcp_hdr((struct b43legacy_plcp_hdr4 *)
@ -345,16 +352,18 @@ static void generate_txhdr_fw3(struct b43legacy_wldev *dev,
/* Apply the bitfields */
txhdr->mac_ctl = cpu_to_le32(mac_ctl);
txhdr->phy_ctl = cpu_to_le16(phy_ctl);
return 0;
}
void b43legacy_generate_txhdr(struct b43legacy_wldev *dev,
int b43legacy_generate_txhdr(struct b43legacy_wldev *dev,
u8 *txhdr,
const unsigned char *fragment_data,
unsigned int fragment_len,
const struct ieee80211_tx_control *txctl,
u16 cookie)
{
generate_txhdr_fw3(dev, (struct b43legacy_txhdr_fw3 *)txhdr,
return generate_txhdr_fw3(dev, (struct b43legacy_txhdr_fw3 *)txhdr,
fragment_data, fragment_len,
txctl, cookie);
}

2
drivers/net/wireless/b43legacy/xmit.h
View File

@ -76,7 +76,7 @@ struct b43legacy_txhdr_fw3 {
void b43legacy_generate_txhdr(struct b43legacy_wldev *dev,
int b43legacy_generate_txhdr(struct b43legacy_wldev *dev,
u8 *txhdr,
const unsigned char *fragment_data,
unsigned int fragment_len,

8
drivers/net/wireless/iwlwifi/iwl3945-base.c
View File

@ -4207,13 +4207,13 @@ static u8 ratio2dB[100] = {
* Conversion assumes that levels are voltages (20*log), not powers (10*log). */
int iwl3945_calc_db_from_ratio(int sig_ratio)
{
/* Anything above 1000:1 just report as 60 dB */
if (sig_ratio > 1000)
/* 1000:1 or higher just report as 60 dB */
if (sig_ratio >= 1000)
return 60;
/* Above 100:1, divide by 10 and use table,
/* 100:1 or higher, divide by 10 and use table,
* add 20 dB to make up for divide by 10 */
if (sig_ratio > 100)
if (sig_ratio >= 100)
return (20 + (int)ratio2dB[sig_ratio/10]);
/* We shouldn't see this */

9
include/linux/ssb/ssb.h
View File

@ -373,6 +373,15 @@ void ssb_pcihost_set_power_state(struct ssb_device *sdev, pci_power_t state)
if (sdev->bus->bustype == SSB_BUSTYPE_PCI)
pci_set_power_state(sdev->bus->host_pci, state);
}
#else
static inline void ssb_pcihost_unregister(struct pci_driver *driver)
{
}
static inline
void ssb_pcihost_set_power_state(struct ssb_device *sdev, pci_power_t state)
{
}
#endif /* CONFIG_SSB_PCIHOST */

1
net/mac80211/Kconfig
View File

@ -1,6 +1,5 @@
config MAC80211
tristate "Generic IEEE 802.11 Networking Stack (mac80211)"
depends on EXPERIMENTAL
select CRYPTO
select CRYPTO_ECB
select CRYPTO_ARC4