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Diffstat (limited to 'drivers/net/wireless/airo.c')
-rw-r--r--drivers/net/wireless/airo.c455
1 files changed, 294 insertions, 161 deletions
diff --git a/drivers/net/wireless/airo.c b/drivers/net/wireless/airo.c
index 864937a409e5..108d9fed8f07 100644
--- a/drivers/net/wireless/airo.c
+++ b/drivers/net/wireless/airo.c
@@ -770,6 +770,11 @@ typedef struct {
} BSSListRid;
typedef struct {
+ BSSListRid bss;
+ struct list_head list;
+} BSSListElement;
+
+typedef struct {
u8 rssipct;
u8 rssidBm;
} tdsRssiEntry;
@@ -902,6 +907,7 @@ static char swversion[] = "2.1";
#define NUM_MODULES 2
#define MIC_MSGLEN_MAX 2400
#define EMMH32_MSGLEN_MAX MIC_MSGLEN_MAX
+#define AIRO_DEF_MTU 2312
typedef struct {
u32 size; // size
@@ -1119,6 +1125,8 @@ static int decapsulate(struct airo_info *ai, MICBuffer *mic, etherHead *pPacket,
static u8 airo_rssi_to_dbm (tdsRssiEntry *rssi_rid, u8 rssi);
static u8 airo_dbm_to_pct (tdsRssiEntry *rssi_rid, u8 dbm);
+static void airo_networks_free(struct airo_info *ai);
+
struct airo_info {
struct net_device_stats stats;
struct net_device *dev;
@@ -1150,7 +1158,7 @@ struct airo_info {
#define FLAG_COMMIT 13
#define FLAG_RESET 14
#define FLAG_FLASHING 15
-#define JOB_MASK 0x1ff0000
+#define JOB_MASK 0x2ff0000
#define JOB_DIE 16
#define JOB_XMIT 17
#define JOB_XMIT11 18
@@ -1160,6 +1168,7 @@ struct airo_info {
#define JOB_EVENT 22
#define JOB_AUTOWEP 23
#define JOB_WSTATS 24
+#define JOB_SCAN_RESULTS 25
int (*bap_read)(struct airo_info*, u16 *pu16Dst, int bytelen,
int whichbap);
unsigned short *flash;
@@ -1176,7 +1185,7 @@ struct airo_info {
} xmit, xmit11;
struct net_device *wifidev;
struct iw_statistics wstats; // wireless stats
- unsigned long scan_timestamp; /* Time started to scan */
+ unsigned long scan_timeout; /* Time scan should be read */
struct iw_spy_data spy_data;
struct iw_public_data wireless_data;
/* MIC stuff */
@@ -1198,6 +1207,10 @@ struct airo_info {
APListRid *APList;
#define PCI_SHARED_LEN 2*MPI_MAX_FIDS*PKTSIZE+RIDSIZE
char proc_name[IFNAMSIZ];
+
+ struct list_head network_list;
+ struct list_head network_free_list;
+ BSSListElement *networks;
};
static inline int bap_read(struct airo_info *ai, u16 *pu16Dst, int bytelen,
@@ -1216,6 +1229,22 @@ static int flashgchar(struct airo_info *ai,int matchbyte,int dwelltime);
static int flashputbuf(struct airo_info *ai);
static int flashrestart(struct airo_info *ai,struct net_device *dev);
+#define airo_print(type, name, fmt, args...) \
+ { printk(type "airo(%s): " fmt "\n", name, ##args); }
+
+#define airo_print_info(name, fmt, args...) \
+ airo_print(KERN_INFO, name, fmt, ##args)
+
+#define airo_print_dbg(name, fmt, args...) \
+ airo_print(KERN_DEBUG, name, fmt, ##args)
+
+#define airo_print_warn(name, fmt, args...) \
+ airo_print(KERN_WARNING, name, fmt, ##args)
+
+#define airo_print_err(name, fmt, args...) \
+ airo_print(KERN_ERR, name, fmt, ##args)
+
+
/***********************************************************************
* MIC ROUTINES *
***********************************************************************
@@ -1294,7 +1323,7 @@ static int micsetup(struct airo_info *ai) {
ai->tfm = crypto_alloc_tfm("aes", CRYPTO_TFM_REQ_MAY_SLEEP);
if (ai->tfm == NULL) {
- printk(KERN_ERR "airo: failed to load transform for AES\n");
+ airo_print_err(ai->dev->name, "failed to load transform for AES");
return ERROR;
}
@@ -1726,11 +1755,11 @@ static int writeWepKeyRid(struct airo_info*ai, WepKeyRid *pwkr, int perm, int lo
wkr.kindex = cpu_to_le16(wkr.kindex);
wkr.klen = cpu_to_le16(wkr.klen);
rc = PC4500_writerid(ai, RID_WEP_TEMP, &wkr, sizeof(wkr), lock);
- if (rc!=SUCCESS) printk(KERN_ERR "airo: WEP_TEMP set %x\n", rc);
+ if (rc!=SUCCESS) airo_print_err(ai->dev->name, "WEP_TEMP set %x", rc);
if (perm) {
rc = PC4500_writerid(ai, RID_WEP_PERM, &wkr, sizeof(wkr), lock);
if (rc!=SUCCESS) {
- printk(KERN_ERR "airo: WEP_PERM set %x\n", rc);
+ airo_print_err(ai->dev->name, "WEP_PERM set %x", rc);
}
}
return rc;
@@ -1909,7 +1938,7 @@ static int mpi_start_xmit(struct sk_buff *skb, struct net_device *dev) {
struct airo_info *ai = dev->priv;
if (!skb) {
- printk(KERN_ERR "airo: %s: skb==NULL\n",__FUNCTION__);
+ airo_print_err(dev->name, "%s: skb == NULL!",__FUNCTION__);
return 0;
}
npacks = skb_queue_len (&ai->txq);
@@ -1955,8 +1984,8 @@ static int mpi_send_packet (struct net_device *dev)
/* get a packet to send */
if ((skb = skb_dequeue(&ai->txq)) == 0) {
- printk (KERN_ERR
- "airo: %s: Dequeue'd zero in send_packet()\n",
+ airo_print_err(dev->name,
+ "%s: Dequeue'd zero in send_packet()",
__FUNCTION__);
return 0;
}
@@ -2108,7 +2137,7 @@ static int airo_start_xmit(struct sk_buff *skb, struct net_device *dev) {
u32 *fids = priv->fids;
if ( skb == NULL ) {
- printk( KERN_ERR "airo: skb == NULL!!!\n" );
+ airo_print_err(dev->name, "%s: skb == NULL!", __FUNCTION__);
return 0;
}
@@ -2179,7 +2208,7 @@ static int airo_start_xmit11(struct sk_buff *skb, struct net_device *dev) {
}
if ( skb == NULL ) {
- printk( KERN_ERR "airo: skb == NULL!!!\n" );
+ airo_print_err(dev->name, "%s: skb == NULL!", __FUNCTION__);
return 0;
}
@@ -2364,6 +2393,8 @@ void stop_airo_card( struct net_device *dev, int freeres )
dev_kfree_skb(skb);
}
+ airo_networks_free (ai);
+
kfree(ai->flash);
kfree(ai->rssi);
kfree(ai->APList);
@@ -2434,7 +2465,7 @@ static int mpi_init_descriptors (struct airo_info *ai)
cmd.parm2 = MPI_MAX_FIDS;
rc=issuecommand(ai, &cmd, &rsp);
if (rc != SUCCESS) {
- printk(KERN_ERR "airo: Couldn't allocate RX FID\n");
+ airo_print_err(ai->dev->name, "Couldn't allocate RX FID");
return rc;
}
@@ -2462,7 +2493,7 @@ static int mpi_init_descriptors (struct airo_info *ai)
rc=issuecommand(ai, &cmd, &rsp);
if (rc != SUCCESS) {
- printk(KERN_ERR "airo: Couldn't allocate TX FID\n");
+ airo_print_err(ai->dev->name, "Couldn't allocate TX FID");
return rc;
}
@@ -2476,7 +2507,7 @@ static int mpi_init_descriptors (struct airo_info *ai)
cmd.parm2 = 1; /* Magic number... */
rc=issuecommand(ai, &cmd, &rsp);
if (rc != SUCCESS) {
- printk(KERN_ERR "airo: Couldn't allocate RID\n");
+ airo_print_err(ai->dev->name, "Couldn't allocate RID");
return rc;
}
@@ -2508,25 +2539,25 @@ static int mpi_map_card(struct airo_info *ai, struct pci_dev *pci,
aux_len = AUXMEMSIZE;
if (!request_mem_region(mem_start, mem_len, name)) {
- printk(KERN_ERR "airo: Couldn't get region %x[%x] for %s\n",
+ airo_print_err(ai->dev->name, "Couldn't get region %x[%x] for %s",
(int)mem_start, (int)mem_len, name);
goto out;
}
if (!request_mem_region(aux_start, aux_len, name)) {
- printk(KERN_ERR "airo: Couldn't get region %x[%x] for %s\n",
+ airo_print_err(ai->dev->name, "Couldn't get region %x[%x] for %s",
(int)aux_start, (int)aux_len, name);
goto free_region1;
}
ai->pcimem = ioremap(mem_start, mem_len);
if (!ai->pcimem) {
- printk(KERN_ERR "airo: Couldn't map region %x[%x] for %s\n",
+ airo_print_err(ai->dev->name, "Couldn't map region %x[%x] for %s",
(int)mem_start, (int)mem_len, name);
goto free_region2;
}
ai->pciaux = ioremap(aux_start, aux_len);
if (!ai->pciaux) {
- printk(KERN_ERR "airo: Couldn't map region %x[%x] for %s\n",
+ airo_print_err(ai->dev->name, "Couldn't map region %x[%x] for %s",
(int)aux_start, (int)aux_len, name);
goto free_memmap;
}
@@ -2534,7 +2565,7 @@ static int mpi_map_card(struct airo_info *ai, struct pci_dev *pci,
/* Reserve PKTSIZE for each fid and 2K for the Rids */
ai->shared = pci_alloc_consistent(pci, PCI_SHARED_LEN, &ai->shared_dma);
if (!ai->shared) {
- printk(KERN_ERR "airo: Couldn't alloc_consistent %d\n",
+ airo_print_err(ai->dev->name, "Couldn't alloc_consistent %d",
PCI_SHARED_LEN);
goto free_auxmap;
}
@@ -2626,7 +2657,7 @@ static void wifi_setup(struct net_device *dev)
dev->type = ARPHRD_IEEE80211;
dev->hard_header_len = ETH_HLEN;
- dev->mtu = 2312;
+ dev->mtu = AIRO_DEF_MTU;
dev->addr_len = ETH_ALEN;
dev->tx_queue_len = 100;
@@ -2670,6 +2701,42 @@ static int reset_card( struct net_device *dev , int lock) {
return 0;
}
+#define MAX_NETWORK_COUNT 64
+static int airo_networks_allocate(struct airo_info *ai)
+{
+ if (ai->networks)
+ return 0;
+
+ ai->networks =
+ kzalloc(MAX_NETWORK_COUNT * sizeof(BSSListElement),
+ GFP_KERNEL);
+ if (!ai->networks) {
+ airo_print_warn(ai->dev->name, "Out of memory allocating beacons");
+ return -ENOMEM;
+ }
+
+ return 0;
+}
+
+static void airo_networks_free(struct airo_info *ai)
+{
+ if (!ai->networks)
+ return;
+ kfree(ai->networks);
+ ai->networks = NULL;
+}
+
+static void airo_networks_initialize(struct airo_info *ai)
+{
+ int i;
+
+ INIT_LIST_HEAD(&ai->network_free_list);
+ INIT_LIST_HEAD(&ai->network_list);
+ for (i = 0; i < MAX_NETWORK_COUNT; i++)
+ list_add_tail(&ai->networks[i].list,
+ &ai->network_free_list);
+}
+
static struct net_device *_init_airo_card( unsigned short irq, int port,
int is_pcmcia, struct pci_dev *pci,
struct device *dmdev )
@@ -2681,22 +2748,22 @@ static struct net_device *_init_airo_card( unsigned short irq, int port,
/* Create the network device object. */
dev = alloc_etherdev(sizeof(*ai));
if (!dev) {
- printk(KERN_ERR "airo: Couldn't alloc_etherdev\n");
+ airo_print_err("", "Couldn't alloc_etherdev");
return NULL;
}
if (dev_alloc_name(dev, dev->name) < 0) {
- printk(KERN_ERR "airo: Couldn't get name!\n");
+ airo_print_err("", "Couldn't get name!");
goto err_out_free;
}
ai = dev->priv;
ai->wifidev = NULL;
ai->flags = 0;
+ ai->dev = dev;
if (pci && (pci->device == 0x5000 || pci->device == 0xa504)) {
- printk(KERN_DEBUG "airo: Found an MPI350 card\n");
+ airo_print_dbg(dev->name, "Found an MPI350 card");
set_bit(FLAG_MPI, &ai->flags);
}
- ai->dev = dev;
spin_lock_init(&ai->aux_lock);
sema_init(&ai->sem, 1);
ai->config.len = 0;
@@ -2711,6 +2778,10 @@ static struct net_device *_init_airo_card( unsigned short irq, int port,
if (rc)
goto err_out_thr;
+ if (airo_networks_allocate (ai))
+ goto err_out_unlink;
+ airo_networks_initialize (ai);
+
/* The Airo-specific entries in the device structure. */
if (test_bit(FLAG_MPI,&ai->flags)) {
skb_queue_head_init (&ai->txq);
@@ -2732,33 +2803,33 @@ static struct net_device *_init_airo_card( unsigned short irq, int port,
SET_NETDEV_DEV(dev, dmdev);
-
reset_card (dev, 1);
msleep(400);
rc = request_irq( dev->irq, airo_interrupt, SA_SHIRQ, dev->name, dev );
if (rc) {
- printk(KERN_ERR "airo: register interrupt %d failed, rc %d\n", irq, rc );
+ airo_print_err(dev->name, "register interrupt %d failed, rc %d",
+ irq, rc);
goto err_out_unlink;
}
if (!is_pcmcia) {
if (!request_region( dev->base_addr, 64, dev->name )) {
rc = -EBUSY;
- printk(KERN_ERR "airo: Couldn't request region\n");
+ airo_print_err(dev->name, "Couldn't request region");
goto err_out_irq;
}
}
if (test_bit(FLAG_MPI,&ai->flags)) {
if (mpi_map_card(ai, pci, dev->name)) {
- printk(KERN_ERR "airo: Could not map memory\n");
+ airo_print_err(dev->name, "Could not map memory");
goto err_out_res;
}
}
if (probe) {
if ( setup_card( ai, dev->dev_addr, 1 ) != SUCCESS ) {
- printk( KERN_ERR "airo: MAC could not be enabled\n" );
+ airo_print_err(dev->name, "MAC could not be enabled" );
rc = -EIO;
goto err_out_map;
}
@@ -2769,21 +2840,20 @@ static struct net_device *_init_airo_card( unsigned short irq, int port,
rc = register_netdev(dev);
if (rc) {
- printk(KERN_ERR "airo: Couldn't register_netdev\n");
+ airo_print_err(dev->name, "Couldn't register_netdev");
goto err_out_map;
}
ai->wifidev = init_wifidev(ai, dev);
set_bit(FLAG_REGISTERED,&ai->flags);
- printk( KERN_INFO "airo: MAC enabled %s %x:%x:%x:%x:%x:%x\n",
- dev->name,
+ airo_print_info(dev->name, "MAC enabled %x:%x:%x:%x:%x:%x",
dev->dev_addr[0], dev->dev_addr[1], dev->dev_addr[2],
dev->dev_addr[3], dev->dev_addr[4], dev->dev_addr[5] );
/* Allocate the transmit buffers */
if (probe && !test_bit(FLAG_MPI,&ai->flags))
for( i = 0; i < MAX_FIDS; i++ )
- ai->fids[i] = transmit_allocate(ai,2312,i>=MAX_FIDS/2);
+ ai->fids[i] = transmit_allocate(ai,AIRO_DEF_MTU,i>=MAX_FIDS/2);
setup_proc_entry( dev, dev->priv ); /* XXX check for failure */
netif_start_queue(dev);
@@ -2840,16 +2910,16 @@ int reset_airo_card( struct net_device *dev )
return -1;
if ( setup_card(ai, dev->dev_addr, 1 ) != SUCCESS ) {
- printk( KERN_ERR "airo: MAC could not be enabled\n" );
+ airo_print_err(dev->name, "MAC could not be enabled");
return -1;
}
- printk( KERN_INFO "airo: MAC enabled %s %x:%x:%x:%x:%x:%x\n", dev->name,
+ airo_print_info(dev->name, "MAC enabled %x:%x:%x:%x:%x:%x",
dev->dev_addr[0], dev->dev_addr[1], dev->dev_addr[2],
dev->dev_addr[3], dev->dev_addr[4], dev->dev_addr[5]);
/* Allocate the transmit buffers if needed */
if (!test_bit(FLAG_MPI,&ai->flags))
for( i = 0; i < MAX_FIDS; i++ )
- ai->fids[i] = transmit_allocate (ai,2312,i>=MAX_FIDS/2);
+ ai->fids[i] = transmit_allocate (ai,AIRO_DEF_MTU,i>=MAX_FIDS/2);
enable_interrupts( ai );
netif_wake_queue(dev);
@@ -2875,6 +2945,65 @@ static void airo_send_event(struct net_device *dev) {
wireless_send_event(dev, SIOCGIWAP, &wrqu, NULL);
}
+static void airo_process_scan_results (struct airo_info *ai) {
+ union iwreq_data wrqu;
+ BSSListRid BSSList;
+ int rc;
+ BSSListElement * loop_net;
+ BSSListElement * tmp_net;
+
+ /* Blow away current list of scan results */
+ list_for_each_entry_safe (loop_net, tmp_net, &ai->network_list, list) {
+ list_move_tail (&loop_net->list, &ai->network_free_list);
+ /* Don't blow away ->list, just BSS data */
+ memset (loop_net, 0, sizeof (loop_net->bss));
+ }
+
+ /* Try to read the first entry of the scan result */
+ rc = PC4500_readrid(ai, RID_BSSLISTFIRST, &BSSList, sizeof(BSSList), 0);
+ if((rc) || (BSSList.index == 0xffff)) {
+ /* No scan results */
+ goto out;
+ }
+
+ /* Read and parse all entries */
+ tmp_net = NULL;
+ while((!rc) && (BSSList.index != 0xffff)) {
+ /* Grab a network off the free list */
+ if (!list_empty(&ai->network_free_list)) {
+ tmp_net = list_entry(ai->network_free_list.next,
+ BSSListElement, list);
+ list_del(ai->network_free_list.next);
+ }
+
+ if (tmp_net != NULL) {
+ memcpy(tmp_net, &BSSList, sizeof(tmp_net->bss));
+ list_add_tail(&tmp_net->list, &ai->network_list);
+ tmp_net = NULL;
+ }
+
+ /* Read next entry */
+ rc = PC4500_readrid(ai, RID_BSSLISTNEXT,
+ &BSSList, sizeof(BSSList), 0);
+ }
+
+out:
+ ai->scan_timeout = 0;
+ clear_bit(JOB_SCAN_RESULTS, &ai->flags);
+ up(&ai->sem);
+
+ /* Send an empty event to user space.
+ * We don't send the received data on
+ * the event because it would require
+ * us to do complex transcoding, and
+ * we want to minimise the work done in
+ * the irq handler. Use a request to
+ * extract the data - Jean II */
+ wrqu.data.length = 0;
+ wrqu.data.flags = 0;
+ wireless_send_event(ai->dev, SIOCGIWSCAN, &wrqu, NULL);
+}
+
static int airo_thread(void *data) {
struct net_device *dev = data;
struct airo_info *ai = dev->priv;
@@ -2904,13 +3033,26 @@ static int airo_thread(void *data) {
set_current_state(TASK_INTERRUPTIBLE);
if (ai->flags & JOB_MASK)
break;
- if (ai->expires) {
- if (time_after_eq(jiffies,ai->expires)){
+ if (ai->expires || ai->scan_timeout) {
+ if (ai->scan_timeout &&
+ time_after_eq(jiffies,ai->scan_timeout)){
+ set_bit(JOB_SCAN_RESULTS,&ai->flags);
+ break;
+ } else if (ai->expires &&
+ time_after_eq(jiffies,ai->expires)){
set_bit(JOB_AUTOWEP,&ai->flags);
break;
}
if (!signal_pending(current)) {
- schedule_timeout(ai->expires - jiffies);
+ unsigned long wake_at;
+ if (!ai->expires || !ai->scan_timeout) {
+ wake_at = max(ai->expires,
+ ai->scan_timeout);
+ } else {
+ wake_at = min(ai->expires,
+ ai->scan_timeout);
+ }
+ schedule_timeout(wake_at - jiffies);
continue;
}
} else if (!signal_pending(current)) {
@@ -2953,6 +3095,10 @@ static int airo_thread(void *data) {
airo_send_event(dev);
else if (test_bit(JOB_AUTOWEP, &ai->flags))
timer_func(dev);
+ else if (test_bit(JOB_SCAN_RESULTS, &ai->flags))
+ airo_process_scan_results(ai);
+ else /* Shouldn't get here, but we make sure to unlock */
+ up(&ai->sem);
}
complete_and_exit (&ai->thr_exited, 0);
}
@@ -3047,19 +3193,15 @@ static irqreturn_t airo_interrupt ( int irq, void* dev_id, struct pt_regs *regs)
* and reassociations as valid status
* Jean II */
if(newStatus == ASSOCIATED) {
- if (apriv->scan_timestamp) {
- /* Send an empty event to user space.
- * We don't send the received data on
- * the event because it would require
- * us to do complex transcoding, and
- * we want to minimise the work done in
- * the irq handler. Use a request to
- * extract the data - Jean II */
- wrqu.data.length = 0;
- wrqu.data.flags = 0;
- wireless_send_event(dev, SIOCGIWSCAN, &wrqu, NULL);
- apriv->scan_timestamp = 0;
+#if 0
+ /* FIXME: Grabbing scan results here
+ * seems to be too early??? Just wait for
+ * timeout instead. */
+ if (apriv->scan_timeout > 0) {
+ set_bit(JOB_SCAN_RESULTS, &apriv->flags);
+ wake_up_interruptible(&apriv->thr_wait);
}
+#endif
if (down_trylock(&apriv->sem) != 0) {
set_bit(JOB_EVENT, &apriv->flags);
wake_up_interruptible(&apriv->thr_wait);
@@ -3117,8 +3259,8 @@ static irqreturn_t airo_interrupt ( int irq, void* dev_id, struct pt_regs *regs)
}
len = le16_to_cpu(hdr.len);
- if (len > 2312) {
- printk( KERN_ERR "airo: Bad size %d\n", len );
+ if (len > AIRO_DEF_MTU) {
+ airo_print_err(apriv->dev->name, "Bad size %d", len);
goto badrx;
}
if (len == 0)
@@ -3161,10 +3303,12 @@ static irqreturn_t airo_interrupt ( int irq, void* dev_id, struct pt_regs *regs)
bap_read (apriv, &gap, sizeof(gap), BAP0);
gap = le16_to_cpu(gap);
if (gap) {
- if (gap <= 8)
+ if (gap <= 8) {
bap_read (apriv, tmpbuf, gap, BAP0);
- else
- printk(KERN_ERR "airo: gaplen too big. Problems will follow...\n");
+ } else {
+ airo_print_err(apriv->dev->name, "gaplen too "
+ "big. Problems will follow...");
+ }
}
bap_read (apriv, buffer + hdrlen/2, len, BAP0);
} else {
@@ -3281,12 +3425,13 @@ exitrx:
}
} else {
OUT4500( apriv, EVACK, status & (EV_TX | EV_TXCPY | EV_TXEXC));
- printk( KERN_ERR "airo: Unallocated FID was used to xmit\n" );
+ airo_print_err(apriv->dev->name, "Unallocated FID was "
+ "used to xmit" );
}
}
exittx:
if ( status & ~STATUS_INTS & ~IGNORE_INTS )
- printk( KERN_WARNING "airo: Got weird status %x\n",
+ airo_print_warn(apriv->dev->name, "Got weird status %x",
status & ~STATUS_INTS & ~IGNORE_INTS );
}
@@ -3359,8 +3504,8 @@ static int enable_MAC( struct airo_info *ai, Resp *rsp, int lock ) {
up(&ai->sem);
if (rc)
- printk(KERN_ERR "%s: Cannot enable MAC, err=%d\n",
- __FUNCTION__,rc);
+ airo_print_err(ai->dev->name, "%s: Cannot enable MAC, err=%d",
+ __FUNCTION__, rc);
return rc;
}
@@ -3489,8 +3634,8 @@ void mpi_receive_802_11 (struct airo_info *ai)
if (ai->wifidev == NULL)
hdr.len = 0;
len = le16_to_cpu(hdr.len);
- if (len > 2312) {
- printk( KERN_ERR "airo: Bad size %d\n", len );
+ if (len > AIRO_DEF_MTU) {
+ airo_print_err(ai->dev->name, "Bad size %d", len);
goto badrx;
}
if (len == 0)
@@ -3531,8 +3676,8 @@ void mpi_receive_802_11 (struct airo_info *ai)
if (gap <= 8)
ptr += gap;
else
- printk(KERN_ERR
- "airo: gaplen too big. Problems will follow...\n");
+ airo_print_err(ai->dev->name,
+ "gaplen too big. Problems will follow...");
}
memcpy ((char *)buffer + hdrlen, ptr, len);
ptr += len;
@@ -3604,15 +3749,15 @@ static u16 setup_card(struct airo_info *ai, u8 *mac, int lock)
if (issuecommand(ai, &cmd, &rsp) != SUCCESS) {
if (lock)
up(&ai->sem);
- printk(KERN_ERR "airo: Error checking for AUX port\n");
+ airo_print_err(ai->dev->name, "Error checking for AUX port");
return ERROR;
}
if (!aux_bap || rsp.status & 0xff00) {
ai->bap_read = fast_bap_read;
- printk(KERN_DEBUG "airo: Doing fast bap_reads\n");
+ airo_print_dbg(ai->dev->name, "Doing fast bap_reads");
} else {
ai->bap_read = aux_bap_read;
- printk(KERN_DEBUG "airo: Doing AUX bap_reads\n");
+ airo_print_dbg(ai->dev->name, "Doing AUX bap_reads");
}
}
if (lock)
@@ -3643,7 +3788,8 @@ static u16 setup_card(struct airo_info *ai, u8 *mac, int lock)
if (cap_rid.softCap & 8)
ai->config.rmode |= RXMODE_NORMALIZED_RSSI;
else
- printk(KERN_WARNING "airo: unknown received signal level scale\n");
+ airo_print_warn(ai->dev->name, "unknown received signal "
+ "level scale");
}
ai->config.opmode = adhoc ? MODE_STA_IBSS : MODE_STA_ESS;
ai->config.authType = AUTH_OPEN;
@@ -3706,7 +3852,8 @@ static u16 setup_card(struct airo_info *ai, u8 *mac, int lock)
status = enable_MAC(ai, &rsp, lock);
if ( status != SUCCESS || (rsp.status & 0xFF00) != 0) {
- printk( KERN_ERR "airo: Bad MAC enable reason = %x, rid = %x, offset = %d\n", rsp.rsp0, rsp.rsp1, rsp.rsp2 );
+ airo_print_err(ai->dev->name, "Bad MAC enable reason = %x, rid = %x,"
+ " offset = %d", rsp.rsp0, rsp.rsp1, rsp.rsp2 );
return ERROR;
}
@@ -3749,8 +3896,8 @@ static u16 issuecommand(struct airo_info *ai, Cmd *pCmd, Resp *pRsp) {
}
if ( max_tries == -1 ) {
- printk( KERN_ERR
- "airo: Max tries exceeded when issueing command\n" );
+ airo_print_err(ai->dev->name,
+ "Max tries exceeded when issueing command");
if (IN4500(ai, COMMAND) & COMMAND_BUSY)
OUT4500(ai, EVACK, EV_CLEARCOMMANDBUSY);
return ERROR;
@@ -3762,11 +3909,11 @@ static u16 issuecommand(struct airo_info *ai, Cmd *pCmd, Resp *pRsp) {
pRsp->rsp1 = IN4500(ai, RESP1);
pRsp->rsp2 = IN4500(ai, RESP2);
if ((pRsp->status & 0xff00)!=0 && pCmd->cmd != CMD_SOFTRESET) {
- printk (KERN_ERR "airo: cmd= %x\n", pCmd->cmd);
- printk (KERN_ERR "airo: status= %x\n", pRsp->status);
- printk (KERN_ERR "airo: Rsp0= %x\n", pRsp->rsp0);
- printk (KERN_ERR "airo: Rsp1= %x\n", pRsp->rsp1);
- printk (KERN_ERR "airo: Rsp2= %x\n", pRsp->rsp2);
+ airo_print_err(ai->dev->name, "cmd= %x\n", pCmd->cmd);
+ airo_print_err(ai->dev->name, "status= %x\n", pRsp->status);
+ airo_print_err(ai->dev->name, "Rsp0= %x\n", pRsp->rsp0);
+ airo_print_err(ai->dev->name, "Rsp1= %x\n", pRsp->rsp1);
+ airo_print_err(ai->dev->name, "Rsp2= %x\n", pRsp->rsp2);
}
// clear stuck command busy if necessary
@@ -3799,15 +3946,15 @@ static int bap_setup(struct airo_info *ai, u16 rid, u16 offset, int whichbap )
}
} else if ( status & BAP_ERR ) {
/* invalid rid or offset */
- printk( KERN_ERR "airo: BAP error %x %d\n",
+ airo_print_err(ai->dev->name, "BAP error %x %d",
status, whichbap );
return ERROR;
} else if (status & BAP_DONE) { // success
return SUCCESS;
}
if ( !(max_tries--) ) {
- printk( KERN_ERR
- "airo: BAP setup error too many retries\n" );
+ airo_print_err(ai->dev->name,
+ "airo: BAP setup error too many retries\n");
return ERROR;
}
// -- PC4500 missed it, try again
@@ -3962,8 +4109,8 @@ static int PC4500_readrid(struct airo_info *ai, u16 rid, void *pBuf, int len, in
len = min(len, (int)le16_to_cpu(*(u16*)pBuf)) - 2;
if ( len <= 2 ) {
- printk( KERN_ERR
- "airo: Rid %x has a length of %d which is too short\n",
+ airo_print_err(ai->dev->name,
+ "Rid %x has a length of %d which is too short",
(int)rid, (int)len );
rc = ERROR;
goto done;
@@ -3996,8 +4143,8 @@ static int PC4500_writerid(struct airo_info *ai, u16 rid,
Resp rsp;
if (test_bit(FLAG_ENABLED, &ai->flags) && (RID_WEP_TEMP != rid))
- printk(KERN_ERR
- "%s: MAC should be disabled (rid=%04x)\n",
+ airo_print_err(ai->dev->name,
+ "%s: MAC should be disabled (rid=%04x)",
__FUNCTION__, rid);
memset(&cmd, 0, sizeof(cmd));
memset(&rsp, 0, sizeof(rsp));
@@ -4013,7 +4160,7 @@ static int PC4500_writerid(struct airo_info *ai, u16 rid,
&ai->config_desc.rid_desc, sizeof(Rid));
if (len < 4 || len > 2047) {
- printk(KERN_ERR "%s: len=%d\n",__FUNCTION__,len);
+ airo_print_err(ai->dev->name, "%s: len=%d", __FUNCTION__, len);
rc = -1;
} else {
memcpy((char *)ai->config_desc.virtual_host_addr,
@@ -4021,10 +4168,10 @@ static int PC4500_writerid(struct airo_info *ai, u16 rid,
rc = issuecommand(ai, &cmd, &rsp);
if ((rc & 0xff00) != 0) {
- printk(KERN_ERR "%s: Write rid Error %d\n",
- __FUNCTION__,rc);
- printk(KERN_ERR "%s: Cmd=%04x\n",
- __FUNCTION__,cmd.cmd);
+ airo_print_err(ai->dev->name, "%s: Write rid Error %d",
+ __FUNCTION__, rc);
+ airo_print_err(ai->dev->name, "%s: Cmd=%04x",
+ __FUNCTION__, cmd.cmd);
}
if ((rsp.status & 0x7f00))
@@ -4123,7 +4270,7 @@ static int transmit_802_3_packet(struct airo_info *ai, int len, char *pPacket)
len >>= 16;
if (len <= ETH_ALEN * 2) {
- printk( KERN_WARNING "Short packet %d\n", len );
+ airo_print_warn(ai->dev->name, "Short packet %d", len);
return ERROR;
}
len -= ETH_ALEN * 2;
@@ -4187,7 +4334,7 @@ static int transmit_802_11_packet(struct airo_info *ai, int len, char *pPacket)
}
if (len < hdrlen) {
- printk( KERN_WARNING "Short packet %d\n", len );
+ airo_print_warn(ai->dev->name, "Short packet %d", len);
return ERROR;
}
@@ -4584,15 +4731,14 @@ static int proc_stats_rid_open( struct inode *inode,
i*4<stats.len; i++){
if (!statsLabels[i]) continue;
if (j+strlen(statsLabels[i])+16>4096) {
- printk(KERN_WARNING
- "airo: Potentially disasterous buffer overflow averted!\n");
+ airo_print_warn(apriv->dev->name,
+ "Potentially disasterous buffer overflow averted!");
break;
}
j+=sprintf(data->rbuffer+j, "%s: %u\n", statsLabels[i], vals[i]);
}
if (i*4>=stats.len){
- printk(KERN_WARNING
- "airo: Got a short rid\n");
+ airo_print_warn(apriv->dev->name, "Got a short rid");
}
data->readlen = j;
return 0;
@@ -4754,7 +4900,7 @@ static void proc_config_on_close( struct inode *inode, struct file *file ) {
line += 14;
v = get_dec_u16(line, &i, 4);
- v = (v<0) ? 0 : ((v>2312) ? 2312 : v);
+ v = (v<0) ? 0 : ((v>AIRO_DEF_MTU) ? AIRO_DEF_MTU : v);
ai->config.rtsThres = (u16)v;
set_bit (FLAG_COMMIT, &ai->flags);
} else if ( !strncmp( line, "TXMSDULifetime: ", 16 ) ) {
@@ -4788,7 +4934,7 @@ static void proc_config_on_close( struct inode *inode, struct file *file ) {
line += 15;
v = get_dec_u16(line, &i, 4);
- v = (v<256) ? 256 : ((v>2312) ? 2312 : v);
+ v = (v<256) ? 256 : ((v>AIRO_DEF_MTU) ? AIRO_DEF_MTU : v);
v = v & 0xfffe; /* Make sure its even */
ai->config.fragThresh = (u16)v;
set_bit (FLAG_COMMIT, &ai->flags);
@@ -4798,8 +4944,7 @@ static void proc_config_on_close( struct inode *inode, struct file *file ) {
case 'd': ai->config.modulation=MOD_DEFAULT; set_bit(FLAG_COMMIT, &ai->flags); break;
case 'c': ai->config.modulation=MOD_CCK; set_bit(FLAG_COMMIT, &ai->flags); break;
case 'm': ai->config.modulation=MOD_MOK; set_bit(FLAG_COMMIT, &ai->flags); break;
- default:
- printk( KERN_WARNING "airo: Unknown modulation\n" );
+ default: airo_print_warn(ai->dev->name, "Unknown modulation");
}
} else if (!strncmp(line, "Preamble: ", 10)) {
line += 10;
@@ -4807,10 +4952,10 @@ static void proc_config_on_close( struct inode *inode, struct file *file ) {
case 'a': ai->config.preamble=PREAMBLE_AUTO; set_bit(FLAG_COMMIT, &ai->flags); break;
case 'l': ai->config.preamble=PREAMBLE_LONG; set_bit(FLAG_COMMIT, &ai->flags); break;
case 's': ai->config.preamble=PREAMBLE_SHORT; set_bit(FLAG_COMMIT, &ai->flags); break;
- default: printk(KERN_WARNING "airo: Unknown preamble\n");
+ default: airo_print_warn(ai->dev->name, "Unknown preamble");
}
} else {
- printk( KERN_WARNING "Couldn't figure out %s\n", line );
+ airo_print_warn(ai->dev->name, "Couldn't figure out %s", line);
}
while( line[0] && line[0] != '\n' ) line++;
if ( line[0] ) line++;
@@ -5076,7 +5221,7 @@ static void proc_wepkey_on_close( struct inode *inode, struct file *file ) {
}
j = 2;
} else {
- printk(KERN_ERR "airo: WepKey passed invalid key index\n");
+ airo_print_err(ai->dev->name, "WepKey passed invalid key index");
return;
}
@@ -5489,17 +5634,16 @@ static int __init airo_init_module( void )
airo_entry->gid = proc_gid;
for( i = 0; i < 4 && io[i] && irq[i]; i++ ) {
- printk( KERN_INFO
- "airo: Trying to configure ISA adapter at irq=%d io=0x%x\n",
- irq[i], io[i] );
+ airo_print_info("", "Trying to configure ISA adapter at irq=%d "
+ "io=0x%x", irq[i], io[i] );
if (init_airo_card( irq[i], io[i], 0, NULL ))
have_isa_dev = 1;
}
#ifdef CONFIG_PCI
- printk( KERN_INFO "airo: Probing for PCI adapters\n" );
+ airo_print_info("", "Probing for PCI adapters");
pci_register_driver(&airo_driver);
- printk( KERN_INFO "airo: Finished probing for PCI adapters\n" );
+ airo_print_info("", "Finished probing for PCI adapters");
#endif
/* Always exit with success, as we are a library module
@@ -5511,7 +5655,7 @@ static int __init airo_init_module( void )
static void __exit airo_cleanup_module( void )
{
while( airo_devices ) {
- printk( KERN_INFO "airo: Unregistering %s\n", airo_devices->dev->name );
+ airo_print_info(airo_devices->dev->name, "Unregistering...\n");
stop_airo_card( airo_devices->dev, 1 );
}
#ifdef CONFIG_PCI
@@ -5622,7 +5766,8 @@ static int airo_set_freq(struct net_device *dev,
/* We should do a better check than that,
* based on the card capability !!! */
if((channel < 1) || (channel > 14)) {
- printk(KERN_DEBUG "%s: New channel value of %d is invalid!\n", dev->name, fwrq->m);
+ airo_print_dbg(dev->name, "New channel value of %d is invalid!",
+ fwrq->m);
rc = -EINVAL;
} else {
readConfigRid(local, 1);
@@ -5946,8 +6091,8 @@ static int airo_set_rts(struct net_device *dev,
int rthr = vwrq->value;
if(vwrq->disabled)
- rthr = 2312;
- if((rthr < 0) || (rthr > 2312)) {
+ rthr = AIRO_DEF_MTU;
+ if((rthr < 0) || (rthr > AIRO_DEF_MTU)) {
return -EINVAL;
}
readConfigRid(local, 1);
@@ -5970,7 +6115,7 @@ static int airo_get_rts(struct net_device *dev,
readConfigRid(local, 1);
vwrq->value = local->config.rtsThres;
- vwrq->disabled = (vwrq->value >= 2312);
+ vwrq->disabled = (vwrq->value >= AIRO_DEF_MTU);
vwrq->fixed = 1;
return 0;
@@ -5989,8 +6134,8 @@ static int airo_set_frag(struct net_device *dev,
int fthr = vwrq->value;
if(vwrq->disabled)
- fthr = 2312;
- if((fthr < 256) || (fthr > 2312)) {
+ fthr = AIRO_DEF_MTU;
+ if((fthr < 256) || (fthr > AIRO_DEF_MTU)) {
return -EINVAL;
}
fthr &= ~0x1; /* Get an even value - is it really needed ??? */
@@ -6014,7 +6159,7 @@ static int airo_get_frag(struct net_device *dev,
readConfigRid(local, 1);
vwrq->value = local->config.fragThresh;
- vwrq->disabled = (vwrq->value >= 2312);
+ vwrq->disabled = (vwrq->value >= AIRO_DEF_MTU);
vwrq->fixed = 1;
return 0;
@@ -6709,9 +6854,9 @@ static int airo_get_range(struct net_device *dev,
range->throughput = 1500 * 1000;
range->min_rts = 0;
- range->max_rts = 2312;
+ range->max_rts = AIRO_DEF_MTU;
range->min_frag = 256;
- range->max_frag = 2312;
+ range->max_frag = AIRO_DEF_MTU;
if(cap_rid.softCap & 2) {
// WEP: RC4 40 bits
@@ -6972,6 +7117,7 @@ static int airo_set_scan(struct net_device *dev,
struct airo_info *ai = dev->priv;
Cmd cmd;
Resp rsp;
+ int wake = 0;
/* Note : you may have realised that, as this is a SET operation,
* this is privileged and therefore a normal user can't
@@ -6981,17 +7127,25 @@ static int airo_set_scan(struct net_device *dev,
* Jean II */
if (ai->flags & FLAG_RADIO_MASK) return -ENETDOWN;
+ if (down_interruptible(&ai->sem))
+ return -ERESTARTSYS;
+
+ /* If there's already a scan in progress, don't
+ * trigger another one. */
+ if (ai->scan_timeout > 0)
+ goto out;
+
/* Initiate a scan command */
memset(&cmd, 0, sizeof(cmd));
cmd.cmd=CMD_LISTBSS;
- if (down_interruptible(&ai->sem))
- return -ERESTARTSYS;
issuecommand(ai, &cmd, &rsp);
- ai->scan_timestamp = jiffies;
- up(&ai->sem);
-
- /* At this point, just return to the user. */
+ ai->scan_timeout = RUN_AT(3*HZ);
+ wake = 1;
+out:
+ up(&ai->sem);
+ if (wake)
+ wake_up_interruptible(&ai->thr_wait);
return 0;
}
@@ -7111,59 +7265,38 @@ static int airo_get_scan(struct net_device *dev,
char *extra)
{
struct airo_info *ai = dev->priv;
- BSSListRid BSSList;
- int rc;
+ BSSListElement *net;
+ int err = 0;
char *current_ev = extra;
- /* When we are associated again, the scan has surely finished.
- * Just in case, let's make sure enough time has elapsed since
- * we started the scan. - Javier */
- if(ai->scan_timestamp && time_before(jiffies,ai->scan_timestamp+3*HZ)) {
- /* Important note : we don't want to block the caller
- * until results are ready for various reasons.
- * First, managing wait queues is complex and racy
- * (there may be multiple simultaneous callers).
- * Second, we grab some rtnetlink lock before comming
- * here (in dev_ioctl()).
- * Third, the caller can wait on the Wireless Event
- * - Jean II */
+ /* If a scan is in-progress, return -EAGAIN */
+ if (ai->scan_timeout > 0)
return -EAGAIN;
- }
- ai->scan_timestamp = 0;
- /* There's only a race with proc_BSSList_open(), but its
- * consequences are begnign. So I don't bother fixing it - Javier */
-
- /* Try to read the first entry of the scan result */
- rc = PC4500_readrid(ai, RID_BSSLISTFIRST, &BSSList, sizeof(BSSList), 1);
- if((rc) || (BSSList.index == 0xffff)) {
- /* Client error, no scan results...
- * The caller need to restart the scan. */
- return -ENODATA;
- }
+ if (down_interruptible(&ai->sem))
+ return -EAGAIN;
- /* Read and parse all entries */
- while((!rc) && (BSSList.index != 0xffff)) {
+ list_for_each_entry (net, &ai->network_list, list) {
/* Translate to WE format this entry */
current_ev = airo_translate_scan(dev, current_ev,
extra + dwrq->length,
- &BSSList);
+ &net->bss);
/* Check if there is space for one more entry */
if((extra + dwrq->length - current_ev) <= IW_EV_ADDR_LEN) {
/* Ask user space to try again with a bigger buffer */
- return -E2BIG;
+ err = -E2BIG;
+ goto out;
}
-
- /* Read next entry */
- rc = PC4500_readrid(ai, RID_BSSLISTNEXT,
- &BSSList, sizeof(BSSList), 1);
}
+
/* Length of data */
dwrq->length = (current_ev - extra);
dwrq->flags = 0; /* todo */
- return 0;
+out:
+ up(&ai->sem);
+ return err;
}
/*------------------------------------------------------------------*/
@@ -7711,7 +7844,7 @@ static int cmdreset(struct airo_info *ai) {
disable_MAC(ai, 1);
if(!waitbusy (ai)){
- printk(KERN_INFO "Waitbusy hang before RESET\n");
+ airo_print_info(ai->dev->name, "Waitbusy hang before RESET");
return -EBUSY;
}
@@ -7720,7 +7853,7 @@ static int cmdreset(struct airo_info *ai) {
ssleep(1); /* WAS 600 12/7/00 */
if(!waitbusy (ai)){
- printk(KERN_INFO "Waitbusy hang AFTER RESET\n");
+ airo_print_info(ai->dev->name, "Waitbusy hang AFTER RESET");
return -EBUSY;
}
return 0;
@@ -7748,7 +7881,7 @@ static int setflashmode (struct airo_info *ai) {
if(!waitbusy(ai)) {
clear_bit (FLAG_FLASHING, &ai->flags);
- printk(KERN_INFO "Waitbusy hang after setflash mode\n");
+ airo_print_info(ai->dev->name, "Waitbusy hang after setflash mode");
return -EIO;
}
return 0;
@@ -7777,7 +7910,7 @@ static int flashpchar(struct airo_info *ai,int byte,int dwelltime) {
/* timeout for busy clear wait */
if(waittime <= 0 ){
- printk(KERN_INFO "flash putchar busywait timeout! \n");
+ airo_print_info(ai->dev->name, "flash putchar busywait timeout!");
return -EBUSY;
}
@@ -7866,7 +7999,7 @@ static int flashrestart(struct airo_info *ai,struct net_device *dev){
if (!test_bit(FLAG_MPI,&ai->flags))
for( i = 0; i < MAX_FIDS; i++ ) {
ai->fids[i] = transmit_allocate
- ( ai, 2312, i >= MAX_FIDS / 2 );
+ ( ai, AIRO_DEF_MTU, i >= MAX_FIDS / 2 );
}
ssleep(1); /* Added 12/7/00 */
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-01 20:31:31 +0000