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authorJeff Garzik <jgarzik@pretzel.yyz.us>2005-06-26 23:38:58 -0400
committerJeff Garzik <jgarzik@pobox.com>2005-06-26 23:38:58 -0400
commit5696c1944a33b4434a9a1ebb6383b906afd43a10 (patch)
tree16fbe6ba431bcf949ee8645510b0c2fd39b5810f /drivers/net/wireless/orinoco.c
parent66b04a80eea60cabf9d89fd34deb3234a740052f (diff)
parent020f46a39eb7b99a575b9f4d105fce2b142acdf1 (diff)
Merge /spare/repo/linux-2.6/
Diffstat (limited to 'drivers/net/wireless/orinoco.c')
-rw-r--r--drivers/net/wireless/orinoco.c332
1 files changed, 69 insertions, 263 deletions
diff --git a/drivers/net/wireless/orinoco.c b/drivers/net/wireless/orinoco.c
index b47684c3217..a57187391f8 100644
--- a/drivers/net/wireless/orinoco.c
+++ b/drivers/net/wireless/orinoco.c
@@ -493,6 +493,9 @@ EXPORT_SYMBOL(orinoco_debug);
static int suppress_linkstatus; /* = 0 */
module_param(suppress_linkstatus, bool, 0644);
MODULE_PARM_DESC(suppress_linkstatus, "Don't log link status changes");
+static int ignore_disconnect; /* = 0 */
+module_param(ignore_disconnect, int, 0644);
+MODULE_PARM_DESC(ignore_disconnect, "Don't report lost link to the network layer");
/********************************************************************/
/* Compile time configuration and compatibility stuff */
@@ -605,7 +608,6 @@ struct hermes_rx_descriptor {
static int orinoco_ioctl(struct net_device *dev, struct ifreq *rq, int cmd);
static int __orinoco_program_rids(struct net_device *dev);
static void __orinoco_set_multicast_list(struct net_device *dev);
-static int orinoco_debug_dump_recs(struct net_device *dev);
/********************************************************************/
/* Internal helper functions */
@@ -656,7 +658,7 @@ static int orinoco_open(struct net_device *dev)
return err;
}
-int orinoco_stop(struct net_device *dev)
+static int orinoco_stop(struct net_device *dev)
{
struct orinoco_private *priv = netdev_priv(dev);
int err = 0;
@@ -687,7 +689,7 @@ static struct iw_statistics *orinoco_get_wireless_stats(struct net_device *dev)
struct orinoco_private *priv = netdev_priv(dev);
hermes_t *hw = &priv->hw;
struct iw_statistics *wstats = &priv->wstats;
- int err = 0;
+ int err;
unsigned long flags;
if (! netif_device_present(dev)) {
@@ -696,9 +698,21 @@ static struct iw_statistics *orinoco_get_wireless_stats(struct net_device *dev)
return NULL; /* FIXME: Can we do better than this? */
}
+ /* If busy, return the old stats. Returning NULL may cause
+ * the interface to disappear from /proc/net/wireless */
if (orinoco_lock(priv, &flags) != 0)
- return NULL; /* FIXME: Erg, we've been signalled, how
- * do we propagate this back up? */
+ return wstats;
+
+ /* We can't really wait for the tallies inquiry command to
+ * complete, so we just use the previous results and trigger
+ * a new tallies inquiry command for next time - Jean II */
+ /* FIXME: Really we should wait for the inquiry to come back -
+ * as it is the stats we give don't make a whole lot of sense.
+ * Unfortunately, it's not clear how to do that within the
+ * wireless extensions framework: I think we're in user
+ * context, but a lock seems to be held by the time we get in
+ * here so we're not safe to sleep here. */
+ hermes_inquire(hw, HERMES_INQ_TALLIES);
if (priv->iw_mode == IW_MODE_ADHOC) {
memset(&wstats->qual, 0, sizeof(wstats->qual));
@@ -717,25 +731,16 @@ static struct iw_statistics *orinoco_get_wireless_stats(struct net_device *dev)
err = HERMES_READ_RECORD(hw, USER_BAP,
HERMES_RID_COMMSQUALITY, &cq);
-
- wstats->qual.qual = (int)le16_to_cpu(cq.qual);
- wstats->qual.level = (int)le16_to_cpu(cq.signal) - 0x95;
- wstats->qual.noise = (int)le16_to_cpu(cq.noise) - 0x95;
- wstats->qual.updated = 7;
+
+ if (!err) {
+ wstats->qual.qual = (int)le16_to_cpu(cq.qual);
+ wstats->qual.level = (int)le16_to_cpu(cq.signal) - 0x95;
+ wstats->qual.noise = (int)le16_to_cpu(cq.noise) - 0x95;
+ wstats->qual.updated = 7;
+ }
}
- /* We can't really wait for the tallies inquiry command to
- * complete, so we just use the previous results and trigger
- * a new tallies inquiry command for next time - Jean II */
- /* FIXME: We're in user context (I think?), so we should just
- wait for the tallies to come through */
- err = hermes_inquire(hw, HERMES_INQ_TALLIES);
-
orinoco_unlock(priv, &flags);
-
- if (err)
- return NULL;
-
return wstats;
}
@@ -1276,9 +1281,10 @@ static void __orinoco_ev_info(struct net_device *dev, hermes_t *hw)
len = sizeof(tallies);
}
- /* Read directly the data (no seek) */
- hermes_read_words(hw, HERMES_DATA1, (void *) &tallies,
- len / 2); /* FIXME: blech! */
+ err = hermes_bap_pread(hw, IRQ_BAP, &tallies, len,
+ infofid, sizeof(info));
+ if (err)
+ break;
/* Increment our various counters */
/* wstats->discard.nwid - no wrong BSSID stuff */
@@ -1308,8 +1314,10 @@ static void __orinoco_ev_info(struct net_device *dev, hermes_t *hw)
break;
}
- hermes_read_words(hw, HERMES_DATA1, (void *) &linkstatus,
- len / 2);
+ err = hermes_bap_pread(hw, IRQ_BAP, &linkstatus, len,
+ infofid, sizeof(info));
+ if (err)
+ break;
newstatus = le16_to_cpu(linkstatus.linkstatus);
connected = (newstatus == HERMES_LINKSTATUS_CONNECTED)
@@ -1318,7 +1326,7 @@ static void __orinoco_ev_info(struct net_device *dev, hermes_t *hw)
if (connected)
netif_carrier_on(dev);
- else
+ else if (!ignore_disconnect)
netif_carrier_off(dev);
if (newstatus != priv->last_linkstatus)
@@ -1351,6 +1359,8 @@ int __orinoco_up(struct net_device *dev)
struct hermes *hw = &priv->hw;
int err;
+ netif_carrier_off(dev); /* just to make sure */
+
err = __orinoco_program_rids(dev);
if (err) {
printk(KERN_ERR "%s: Error %d configuring card\n",
@@ -1414,7 +1424,7 @@ int orinoco_reinit_firmware(struct net_device *dev)
return err;
err = hermes_allocate(hw, priv->nicbuf_size, &priv->txfid);
- if (err == -EIO) {
+ if (err == -EIO && priv->nicbuf_size > TX_NICBUF_SIZE_BUG) {
/* Try workaround for old Symbol firmware bug */
printk(KERN_WARNING "%s: firmware ALLOC bug detected "
"(old Symbol firmware?). Trying to work around... ",
@@ -1611,17 +1621,15 @@ static int __orinoco_program_rids(struct net_device *dev)
return err;
}
/* Set the channel/frequency */
- if (priv->channel == 0) {
- printk(KERN_DEBUG "%s: Channel is 0 in __orinoco_program_rids()\n", dev->name);
- if (priv->createibss)
- priv->channel = 10;
- }
- err = hermes_write_wordrec(hw, USER_BAP, HERMES_RID_CNFOWNCHANNEL,
- priv->channel);
- if (err) {
- printk(KERN_ERR "%s: Error %d setting channel\n",
- dev->name, err);
- return err;
+ if (priv->channel != 0 && priv->iw_mode != IW_MODE_INFRA) {
+ err = hermes_write_wordrec(hw, USER_BAP,
+ HERMES_RID_CNFOWNCHANNEL,
+ priv->channel);
+ if (err) {
+ printk(KERN_ERR "%s: Error %d setting channel %d\n",
+ dev->name, err, priv->channel);
+ return err;
+ }
}
if (priv->has_ibss) {
@@ -1917,7 +1925,7 @@ static void orinoco_reset(struct net_device *dev)
{
struct orinoco_private *priv = netdev_priv(dev);
struct hermes *hw = &priv->hw;
- int err = 0;
+ int err;
unsigned long flags;
if (orinoco_lock(priv, &flags) != 0)
@@ -1939,20 +1947,20 @@ static void orinoco_reset(struct net_device *dev)
orinoco_unlock(priv, &flags);
- if (priv->hard_reset)
+ if (priv->hard_reset) {
err = (*priv->hard_reset)(priv);
- if (err) {
- printk(KERN_ERR "%s: orinoco_reset: Error %d "
- "performing hard reset\n", dev->name, err);
- /* FIXME: shutdown of some sort */
- return;
+ if (err) {
+ printk(KERN_ERR "%s: orinoco_reset: Error %d "
+ "performing hard reset\n", dev->name, err);
+ goto disable;
+ }
}
err = orinoco_reinit_firmware(dev);
if (err) {
printk(KERN_ERR "%s: orinoco_reset: Error %d re-initializing firmware\n",
dev->name, err);
- return;
+ goto disable;
}
spin_lock_irq(&priv->lock); /* This has to be called from user context */
@@ -1973,6 +1981,10 @@ static void orinoco_reset(struct net_device *dev)
spin_unlock_irq(&priv->lock);
return;
+ disable:
+ hermes_set_irqmask(hw, 0);
+ netif_device_detach(dev);
+ printk(KERN_ERR "%s: Device has been disabled!\n", dev->name);
}
/********************************************************************/
@@ -2057,7 +2069,7 @@ irqreturn_t orinoco_interrupt(int irq, void *dev_id, struct pt_regs *regs)
if (events & HERMES_EV_ALLOC)
__orinoco_ev_alloc(dev, hw);
- hermes_write_regn(hw, EVACK, events);
+ hermes_write_regn(hw, EVACK, evstat);
evstat = hermes_read_regn(hw, EVSTAT);
events = evstat & hw->inten;
@@ -2216,6 +2228,8 @@ static int determine_firmware(struct net_device *dev)
firmver >= 0x31000;
priv->has_preamble = (firmver >= 0x20000);
priv->ibss_port = 4;
+ priv->broken_disableport = (firmver == 0x25013) ||
+ (firmver >= 0x30000 && firmver <= 0x31000);
/* Tested with Intel firmware : 0x20015 => Jean II */
/* Tested with 3Com firmware : 0x15012 & 0x22001 => Jean II */
break;
@@ -2268,7 +2282,7 @@ static int orinoco_init(struct net_device *dev)
priv->nicbuf_size = IEEE80211_FRAME_LEN + ETH_HLEN;
/* Initialize the firmware */
- err = hermes_init(hw);
+ err = orinoco_reinit_firmware(dev);
if (err != 0) {
printk(KERN_ERR "%s: failed to initialize firmware (err = %d)\n",
dev->name, err);
@@ -2401,31 +2415,12 @@ static int orinoco_init(struct net_device *dev)
/* By default use IEEE/IBSS ad-hoc mode if we have it */
priv->prefer_port3 = priv->has_port3 && (! priv->has_ibss);
set_port_type(priv);
- priv->channel = 10; /* default channel, more-or-less arbitrary */
+ priv->channel = 0; /* use firmware default */
priv->promiscuous = 0;
priv->wep_on = 0;
priv->tx_key = 0;
- err = hermes_allocate(hw, priv->nicbuf_size, &priv->txfid);
- if (err == -EIO) {
- /* Try workaround for old Symbol firmware bug */
- printk(KERN_WARNING "%s: firmware ALLOC bug detected "
- "(old Symbol firmware?). Trying to work around... ",
- dev->name);
-
- priv->nicbuf_size = TX_NICBUF_SIZE_BUG;
- err = hermes_allocate(hw, priv->nicbuf_size, &priv->txfid);
- if (err)
- printk("failed!\n");
- else
- printk("ok.\n");
- }
- if (err) {
- printk("%s: Error %d allocating Tx buffer\n", dev->name, err);
- goto out;
- }
-
/* Make the hardware available, as long as it hasn't been
* removed elsewhere (e.g. by PCMCIA hot unplug) */
spin_lock_irq(&priv->lock);
@@ -2451,7 +2446,7 @@ struct net_device *alloc_orinocodev(int sizeof_card,
priv = netdev_priv(dev);
priv->ndev = dev;
if (sizeof_card)
- priv->card = (void *)((unsigned long)netdev_priv(dev)
+ priv->card = (void *)((unsigned long)priv
+ sizeof(struct orinoco_private));
else
priv->card = NULL;
@@ -2556,6 +2551,7 @@ static int orinoco_hw_get_essid(struct orinoco_private *priv, int *active,
}
len = le16_to_cpu(essidbuf.len);
+ BUG_ON(len > IW_ESSID_MAX_SIZE);
memset(buf, 0, IW_ESSID_MAX_SIZE+1);
memcpy(buf, p, len);
@@ -2924,13 +2920,14 @@ static int orinoco_ioctl_setessid(struct net_device *dev, struct iw_point *erq)
memset(&essidbuf, 0, sizeof(essidbuf));
if (erq->flags) {
- if (erq->length > IW_ESSID_MAX_SIZE)
+ /* iwconfig includes the NUL in the specified length */
+ if (erq->length > IW_ESSID_MAX_SIZE+1)
return -E2BIG;
if (copy_from_user(&essidbuf, erq->pointer, erq->length))
return -EFAULT;
- essidbuf[erq->length] = '\0';
+ essidbuf[IW_ESSID_MAX_SIZE] = '\0';
}
if (orinoco_lock(priv, &flags) != 0)
@@ -3856,7 +3853,6 @@ orinoco_ioctl(struct net_device *dev, struct ifreq *rq, int cmd)
{ SIOCIWFIRSTPRIV + 0x7, 0,
IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1,
"get_ibssport" },
- { SIOCIWLASTPRIV, 0, 0, "dump_recs" },
};
wrq->u.data.length = sizeof(privtab) / sizeof(privtab[0]);
@@ -3944,14 +3940,6 @@ orinoco_ioctl(struct net_device *dev, struct ifreq *rq, int cmd)
err = orinoco_ioctl_getibssport(dev, wrq);
break;
- case SIOCIWLASTPRIV:
- err = orinoco_debug_dump_recs(dev);
- if (err)
- printk(KERN_ERR "%s: Unable to dump records (%d)\n",
- dev->name, err);
- break;
-
-
default:
err = -EOPNOTSUPP;
}
@@ -3965,187 +3953,6 @@ orinoco_ioctl(struct net_device *dev, struct ifreq *rq, int cmd)
return err;
}
-struct {
- u16 rid;
- char *name;
- int displaytype;
-#define DISPLAY_WORDS 0
-#define DISPLAY_BYTES 1
-#define DISPLAY_STRING 2
-#define DISPLAY_XSTRING 3
-} record_table[] = {
-#define DEBUG_REC(name,type) { HERMES_RID_##name, #name, DISPLAY_##type }
- DEBUG_REC(CNFPORTTYPE,WORDS),
- DEBUG_REC(CNFOWNMACADDR,BYTES),
- DEBUG_REC(CNFDESIREDSSID,STRING),
- DEBUG_REC(CNFOWNCHANNEL,WORDS),
- DEBUG_REC(CNFOWNSSID,STRING),
- DEBUG_REC(CNFOWNATIMWINDOW,WORDS),
- DEBUG_REC(CNFSYSTEMSCALE,WORDS),
- DEBUG_REC(CNFMAXDATALEN,WORDS),
- DEBUG_REC(CNFPMENABLED,WORDS),
- DEBUG_REC(CNFPMEPS,WORDS),
- DEBUG_REC(CNFMULTICASTRECEIVE,WORDS),
- DEBUG_REC(CNFMAXSLEEPDURATION,WORDS),
- DEBUG_REC(CNFPMHOLDOVERDURATION,WORDS),
- DEBUG_REC(CNFOWNNAME,STRING),
- DEBUG_REC(CNFOWNDTIMPERIOD,WORDS),
- DEBUG_REC(CNFMULTICASTPMBUFFERING,WORDS),
- DEBUG_REC(CNFWEPENABLED_AGERE,WORDS),
- DEBUG_REC(CNFMANDATORYBSSID_SYMBOL,WORDS),
- DEBUG_REC(CNFWEPDEFAULTKEYID,WORDS),
- DEBUG_REC(CNFDEFAULTKEY0,BYTES),
- DEBUG_REC(CNFDEFAULTKEY1,BYTES),
- DEBUG_REC(CNFMWOROBUST_AGERE,WORDS),
- DEBUG_REC(CNFDEFAULTKEY2,BYTES),
- DEBUG_REC(CNFDEFAULTKEY3,BYTES),
- DEBUG_REC(CNFWEPFLAGS_INTERSIL,WORDS),
- DEBUG_REC(CNFWEPKEYMAPPINGTABLE,WORDS),
- DEBUG_REC(CNFAUTHENTICATION,WORDS),
- DEBUG_REC(CNFMAXASSOCSTA,WORDS),
- DEBUG_REC(CNFKEYLENGTH_SYMBOL,WORDS),
- DEBUG_REC(CNFTXCONTROL,WORDS),
- DEBUG_REC(CNFROAMINGMODE,WORDS),
- DEBUG_REC(CNFHOSTAUTHENTICATION,WORDS),
- DEBUG_REC(CNFRCVCRCERROR,WORDS),
- DEBUG_REC(CNFMMLIFE,WORDS),
- DEBUG_REC(CNFALTRETRYCOUNT,WORDS),
- DEBUG_REC(CNFBEACONINT,WORDS),
- DEBUG_REC(CNFAPPCFINFO,WORDS),
- DEBUG_REC(CNFSTAPCFINFO,WORDS),
- DEBUG_REC(CNFPRIORITYQUSAGE,WORDS),
- DEBUG_REC(CNFTIMCTRL,WORDS),
- DEBUG_REC(CNFTHIRTY2TALLY,WORDS),
- DEBUG_REC(CNFENHSECURITY,WORDS),
- DEBUG_REC(CNFGROUPADDRESSES,BYTES),
- DEBUG_REC(CNFCREATEIBSS,WORDS),
- DEBUG_REC(CNFFRAGMENTATIONTHRESHOLD,WORDS),
- DEBUG_REC(CNFRTSTHRESHOLD,WORDS),
- DEBUG_REC(CNFTXRATECONTROL,WORDS),
- DEBUG_REC(CNFPROMISCUOUSMODE,WORDS),
- DEBUG_REC(CNFBASICRATES_SYMBOL,WORDS),
- DEBUG_REC(CNFPREAMBLE_SYMBOL,WORDS),
- DEBUG_REC(CNFSHORTPREAMBLE,WORDS),
- DEBUG_REC(CNFWEPKEYS_AGERE,BYTES),
- DEBUG_REC(CNFEXCLUDELONGPREAMBLE,WORDS),
- DEBUG_REC(CNFTXKEY_AGERE,WORDS),
- DEBUG_REC(CNFAUTHENTICATIONRSPTO,WORDS),
- DEBUG_REC(CNFBASICRATES,WORDS),
- DEBUG_REC(CNFSUPPORTEDRATES,WORDS),
- DEBUG_REC(CNFTICKTIME,WORDS),
- DEBUG_REC(CNFSCANREQUEST,WORDS),
- DEBUG_REC(CNFJOINREQUEST,WORDS),
- DEBUG_REC(CNFAUTHENTICATESTATION,WORDS),
- DEBUG_REC(CNFCHANNELINFOREQUEST,WORDS),
- DEBUG_REC(MAXLOADTIME,WORDS),
- DEBUG_REC(DOWNLOADBUFFER,WORDS),
- DEBUG_REC(PRIID,WORDS),
- DEBUG_REC(PRISUPRANGE,WORDS),
- DEBUG_REC(CFIACTRANGES,WORDS),
- DEBUG_REC(NICSERNUM,XSTRING),
- DEBUG_REC(NICID,WORDS),
- DEBUG_REC(MFISUPRANGE,WORDS),
- DEBUG_REC(CFISUPRANGE,WORDS),
- DEBUG_REC(CHANNELLIST,WORDS),
- DEBUG_REC(REGULATORYDOMAINS,WORDS),
- DEBUG_REC(TEMPTYPE,WORDS),
-/* DEBUG_REC(CIS,BYTES), */
- DEBUG_REC(STAID,WORDS),
- DEBUG_REC(CURRENTSSID,STRING),
- DEBUG_REC(CURRENTBSSID,BYTES),
- DEBUG_REC(COMMSQUALITY,WORDS),
- DEBUG_REC(CURRENTTXRATE,WORDS),
- DEBUG_REC(CURRENTBEACONINTERVAL,WORDS),
- DEBUG_REC(CURRENTSCALETHRESHOLDS,WORDS),
- DEBUG_REC(PROTOCOLRSPTIME,WORDS),
- DEBUG_REC(SHORTRETRYLIMIT,WORDS),
- DEBUG_REC(LONGRETRYLIMIT,WORDS),
- DEBUG_REC(MAXTRANSMITLIFETIME,WORDS),
- DEBUG_REC(MAXRECEIVELIFETIME,WORDS),
- DEBUG_REC(CFPOLLABLE,WORDS),
- DEBUG_REC(AUTHENTICATIONALGORITHMS,WORDS),
- DEBUG_REC(PRIVACYOPTIONIMPLEMENTED,WORDS),
- DEBUG_REC(OWNMACADDR,BYTES),
- DEBUG_REC(SCANRESULTSTABLE,WORDS),
- DEBUG_REC(PHYTYPE,WORDS),
- DEBUG_REC(CURRENTCHANNEL,WORDS),
- DEBUG_REC(CURRENTPOWERSTATE,WORDS),
- DEBUG_REC(CCAMODE,WORDS),
- DEBUG_REC(SUPPORTEDDATARATES,WORDS),
- DEBUG_REC(BUILDSEQ,BYTES),
- DEBUG_REC(FWID,XSTRING)
-#undef DEBUG_REC
-};
-
-#define DEBUG_LTV_SIZE 128
-
-static int orinoco_debug_dump_recs(struct net_device *dev)
-{
- struct orinoco_private *priv = netdev_priv(dev);
- hermes_t *hw = &priv->hw;
- u8 *val8;
- u16 *val16;
- int i,j;
- u16 length;
- int err;
-
- /* I'm not sure: we might have a lock here, so we'd better go
- atomic, just in case. */
- val8 = kmalloc(DEBUG_LTV_SIZE + 2, GFP_ATOMIC);
- if (! val8)
- return -ENOMEM;
- val16 = (u16 *)val8;
-
- for (i = 0; i < ARRAY_SIZE(record_table); i++) {
- u16 rid = record_table[i].rid;
- int len;
-
- memset(val8, 0, DEBUG_LTV_SIZE + 2);
-
- err = hermes_read_ltv(hw, USER_BAP, rid, DEBUG_LTV_SIZE,
- &length, val8);
- if (err) {
- DEBUG(0, "Error %d reading RID 0x%04x\n", err, rid);
- continue;
- }
- val16 = (u16 *)val8;
- if (length == 0)
- continue;
-
- printk(KERN_DEBUG "%-15s (0x%04x): length=%d (%d bytes)\tvalue=",
- record_table[i].name,
- rid, length, (length-1)*2);
- len = min(((int)length-1)*2, DEBUG_LTV_SIZE);
-
- switch (record_table[i].displaytype) {
- case DISPLAY_WORDS:
- for (j = 0; j < len / 2; j++)
- printk("%04X-", le16_to_cpu(val16[j]));
- break;
-
- case DISPLAY_BYTES:
- default:
- for (j = 0; j < len; j++)
- printk("%02X:", val8[j]);
- break;
-
- case DISPLAY_STRING:
- len = min(len, le16_to_cpu(val16[0])+2);
- val8[len] = '\0';
- printk("\"%s\"", (char *)&val16[1]);
- break;
-
- case DISPLAY_XSTRING:
- printk("'%s'", (char *)val8);
- }
-
- printk("\n");
- }
-
- kfree(val8);
-
- return 0;
-}
/********************************************************************/
/* Debugging */
@@ -4219,7 +4026,6 @@ EXPORT_SYMBOL(free_orinocodev);
EXPORT_SYMBOL(__orinoco_up);
EXPORT_SYMBOL(__orinoco_down);
-EXPORT_SYMBOL(orinoco_stop);
EXPORT_SYMBOL(orinoco_reinit_firmware);
EXPORT_SYMBOL(orinoco_interrupt);