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

hifive-unleashed-5.1
Jeff Garzik 2006-04-26 06:16:50 -04:00
parent 3b85418bc9 7c241d37fe
commit 3b908870b8
9 changed files with 133 additions and 49 deletions
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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

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);

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;
}