UbiquitousOS
/
OpenCloudOS-Kernel
mirror of https://gitee.com/OpenCloudOS/OpenCloudOS-Kernel.git
11
0
Fork 0
Code Issues Projects Releases Wiki Activity

[PATCH] orinoco: scanning support 

Patch from Pavel Roskin
This commit is contained in:
Christoph Hellwig 2005-06-19 01:27:56 +02:00 committed by Jeff Garzik
parent 16739b065f
commit 95dd91fbd8
2 changed files with 545 additions and 22 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

545
drivers/net/wireless/orinoco.c
View File

@ -514,6 +514,10 @@ MODULE_PARM_DESC(ignore_disconnect, "Don't report lost link to the network layer
/* Internal constants */
/********************************************************************/
/* 802.2 LLC/SNAP header used for Ethernet encapsulation over 802.11 */
static const u8 encaps_hdr[] = {0xaa, 0xaa, 0x03, 0x00, 0x00, 0x00};
#define ENCAPS_OVERHEAD (sizeof(encaps_hdr) + 2)
#define ORINOCO_MIN_MTU 256
#define ORINOCO_MAX_MTU (IEEE802_11_DATA_LEN - ENCAPS_OVERHEAD)
@ -579,25 +583,42 @@ static struct {
/* Data types */
/********************************************************************/
struct header_struct {
/* 802.3 */
u8 dest[ETH_ALEN];
u8 src[ETH_ALEN];
u16 len;
/* 802.2 */
/* Used in Event handling.
* We avoid nested structres as they break on ARM -- Moustafa */
struct hermes_tx_descriptor_802_11 {
/* hermes_tx_descriptor */
u16 status;
u16 reserved1;
u16 reserved2;
u32 sw_support;
u8 retry_count;
u8 tx_rate;
u16 tx_control;
/* ieee802_11_hdr */
u16 frame_ctl;
u16 duration_id;
u8 addr1[ETH_ALEN];
u8 addr2[ETH_ALEN];
u8 addr3[ETH_ALEN];
u16 seq_ctl;
u8 addr4[ETH_ALEN];
u16 data_len;
/* ethhdr */
unsigned char h_dest[ETH_ALEN]; /* destination eth addr */
unsigned char h_source[ETH_ALEN]; /* source ether addr */
unsigned short h_proto; /* packet type ID field */
/* p8022_hdr */
u8 dsap;
u8 ssap;
u8 ctrl;
/* SNAP */
u8 oui[3];
u16 ethertype;
} __attribute__ ((packed));
/* 802.2 LLC/SNAP header used for Ethernet encapsulation over 802.11 */
u8 encaps_hdr[] = {0xaa, 0xaa, 0x03, 0x00, 0x00, 0x00};
#define ENCAPS_OVERHEAD (sizeof(encaps_hdr) + 2)
struct hermes_rx_descriptor {
u16 status;
u32 time;
@ -958,26 +979,55 @@ static void __orinoco_ev_txexc(struct net_device *dev, hermes_t *hw)
struct orinoco_private *priv = netdev_priv(dev);
struct net_device_stats *stats = &priv->stats;
u16 fid = hermes_read_regn(hw, TXCOMPLFID);
struct hermes_tx_descriptor desc;
struct hermes_tx_descriptor_802_11 hdr;
int err = 0;
if (fid == DUMMY_FID)
return; /* Nothing's really happened */
err = hermes_bap_pread(hw, IRQ_BAP, &desc, sizeof(desc), fid, 0);
/* Read the frame header */
err = hermes_bap_pread(hw, IRQ_BAP, &hdr,
sizeof(struct hermes_tx_descriptor) +
sizeof(struct ieee80211_hdr),
fid, 0);
hermes_write_regn(hw, TXCOMPLFID, DUMMY_FID);
stats->tx_errors++;
if (err) {
printk(KERN_WARNING "%s: Unable to read descriptor on Tx error "
"(FID=%04X error %d)\n",
dev->name, fid, err);
} else {
DEBUG(1, "%s: Tx error, status %d\n",
dev->name, le16_to_cpu(desc.status));
return;
}
stats->tx_errors++;
DEBUG(1, "%s: Tx error, err %d (FID=%04X)\n", dev->name,
err, fid);
/* We produce a TXDROP event only for retry or lifetime
* exceeded, because that's the only status that really mean
* that this particular node went away.
* Other errors means that *we* screwed up. - Jean II */
hdr.status = le16_to_cpu(hdr.status);
if (hdr.status & (HERMES_TXSTAT_RETRYERR | HERMES_TXSTAT_AGEDERR)) {
union iwreq_data wrqu;
/* Copy 802.11 dest address.
* We use the 802.11 header because the frame may
* not be 802.3 or may be mangled...
* In Ad-Hoc mode, it will be the node address.
* In managed mode, it will be most likely the AP addr
* User space will figure out how to convert it to
* whatever it needs (IP address or else).
* - Jean II */
memcpy(wrqu.addr.sa_data, hdr.addr1, ETH_ALEN);
wrqu.addr.sa_family = ARPHRD_ETHER;
/* Send event to user space */
wireless_send_event(dev, IWEVTXDROP, &wrqu, NULL);
}
netif_wake_queue(dev);
hermes_write_regn(hw, TXCOMPLFID, DUMMY_FID);
}
static void orinoco_tx_timeout(struct net_device *dev)
@ -1316,6 +1366,30 @@ static void orinoco_join_ap(struct net_device *dev)
orinoco_unlock(priv, &flags);
}
/* Send new BSSID to userspace */
static void orinoco_send_wevents(struct net_device *dev)
{
struct orinoco_private *priv = netdev_priv(dev);
struct hermes *hw = &priv->hw;
union iwreq_data wrqu;
int err;
unsigned long flags;
if (orinoco_lock(priv, &flags) != 0)
return;
err = hermes_read_ltv(hw, IRQ_BAP, HERMES_RID_CURRENTBSSID,
ETH_ALEN, NULL, wrqu.ap_addr.sa_data);
if (err != 0)
return;
wrqu.ap_addr.sa_family = ARPHRD_ETHER;
/* Send event to user space */
wireless_send_event(dev, SIOCGIWAP, &wrqu, NULL);
orinoco_unlock(priv, &flags);
}
static void __orinoco_ev_info(struct net_device *dev, hermes_t *hw)
{
struct orinoco_private *priv = netdev_priv(dev);
@ -1395,6 +1469,15 @@ static void __orinoco_ev_info(struct net_device *dev, hermes_t *hw)
break;
newstatus = le16_to_cpu(linkstatus.linkstatus);
/* Symbol firmware uses "out of range" to signal that
* the hostscan frame can be requested. */
if (newstatus == HERMES_LINKSTATUS_AP_OUT_OF_RANGE &&
priv->firmware_type == FIRMWARE_TYPE_SYMBOL &&
priv->has_hostscan && priv->scan_inprogress) {
hermes_inquire(hw, HERMES_INQ_HOSTSCAN_SYMBOL);
break;
}
connected = (newstatus == HERMES_LINKSTATUS_CONNECTED)
|| (newstatus == HERMES_LINKSTATUS_AP_CHANGE)
|| (newstatus == HERMES_LINKSTATUS_AP_IN_RANGE);
@ -1404,12 +1487,89 @@ static void __orinoco_ev_info(struct net_device *dev, hermes_t *hw)
else if (!ignore_disconnect)
netif_carrier_off(dev);
if (newstatus != priv->last_linkstatus)
if (newstatus != priv->last_linkstatus) {
priv->last_linkstatus = newstatus;
print_linkstatus(dev, newstatus);
priv->last_linkstatus = newstatus;
/* The info frame contains only one word which is the
* status (see hermes.h). The status is pretty boring
* in itself, that's why we export the new BSSID...
* Jean II */
schedule_work(&priv->wevent_work);
}
}
break;
case HERMES_INQ_SCAN:
if (!priv->scan_inprogress && priv->bssid_fixed &&
priv->firmware_type == FIRMWARE_TYPE_INTERSIL) {
schedule_work(&priv->join_work);
break;
}
/* fall through */
case HERMES_INQ_HOSTSCAN:
case HERMES_INQ_HOSTSCAN_SYMBOL: {
/* Result of a scanning. Contains information about
* cells in the vicinity - Jean II */
union iwreq_data wrqu;
unsigned char *buf;
/* Sanity check */
if (len > 4096) {
printk(KERN_WARNING "%s: Scan results too large (%d bytes)\n",
dev->name, len);
break;
}
/* We are a strict producer. If the previous scan results
* have not been consumed, we just have to drop this
* frame. We can't remove the previous results ourselves,
* that would be *very* racy... Jean II */
if (priv->scan_result != NULL) {
printk(KERN_WARNING "%s: Previous scan results not consumed, dropping info frame.\n", dev->name);
break;
}
/* Allocate buffer for results */
buf = kmalloc(len, GFP_ATOMIC);
if (buf == NULL)
/* No memory, so can't printk()... */
break;
/* Read scan data */
err = hermes_bap_pread(hw, IRQ_BAP, (void *) buf, len,
infofid, sizeof(info));
if (err)
break;
#ifdef ORINOCO_DEBUG
{
int i;
printk(KERN_DEBUG "Scan result [%02X", buf[0]);
for(i = 1; i < (len * 2); i++)
printk(":%02X", buf[i]);
printk("]\n");
}
#endif /* ORINOCO_DEBUG */
/* Allow the clients to access the results */
priv->scan_len = len;
priv->scan_result = buf;
/* 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);
}
break;
case HERMES_INQ_SEC_STAT_AGERE:
/* Security status (Agere specific) */
/* Ignore this frame for now */
if (priv->firmware_type == FIRMWARE_TYPE_AGERE)
break;
/* fall through */
default:
printk(KERN_DEBUG "%s: Unknown information frame received: "
"type 0x%04x, length %d\n", dev->name, type, len);
@ -2010,6 +2170,11 @@ static void orinoco_reset(struct net_device *dev)
orinoco_unlock(priv, &flags);
/* Scanning support: Cleanup of driver struct */
kfree(priv->scan_result);
priv->scan_result = NULL;
priv->scan_inprogress = 0;
if (priv->hard_reset) {
err = (*priv->hard_reset)(priv);
if (err) {
@ -2248,6 +2413,7 @@ static int determine_firmware(struct net_device *dev)
priv->has_mwo = (firmver >= 0x60000);
priv->has_pm = (firmver >= 0x40020); /* Don't work in 7.52 ? */
priv->ibss_port = 1;
priv->has_hostscan = (firmver >= 0x8000a);
/* Tested with Agere firmware :
* 1.16 ; 4.08 ; 4.52 ; 6.04 ; 6.16 ; 7.28 => Jean II
@ -2293,6 +2459,8 @@ static int determine_firmware(struct net_device *dev)
priv->ibss_port = 4;
priv->broken_disableport = (firmver == 0x25013) ||
(firmver >= 0x30000 && firmver <= 0x31000);
priv->has_hostscan = (firmver >= 0x31001) ||
(firmver >= 0x29057 && firmver < 0x30000);
/* Tested with Intel firmware : 0x20015 => Jean II */
/* Tested with 3Com firmware : 0x15012 & 0x22001 => Jean II */
break;
@ -2312,6 +2480,7 @@ static int determine_firmware(struct net_device *dev)
priv->has_ibss = (firmver >= 0x000700); /* FIXME */
priv->has_big_wep = priv->has_wep = (firmver >= 0x000800);
priv->has_pm = (firmver >= 0x000700);
priv->has_hostscan = (firmver >= 0x010301);
if (firmver >= 0x000800)
priv->ibss_port = 0;
@ -2539,6 +2708,7 @@ struct net_device *alloc_orinocodev(int sizeof_card,
* hardware */
INIT_WORK(&priv->reset_work, (void (*)(void *))orinoco_reset, dev);
INIT_WORK(&priv->join_work, (void (*)(void *))orinoco_join_ap, dev);
INIT_WORK(&priv->wevent_work, (void (*)(void *))orinoco_send_wevents, dev);
netif_carrier_off(dev);
priv->last_linkstatus = 0xffff;
@ -2549,6 +2719,9 @@ struct net_device *alloc_orinocodev(int sizeof_card,
void free_orinocodev(struct net_device *dev)
{
struct orinoco_private *priv = netdev_priv(dev);
kfree(priv->scan_result);
free_netdev(dev);
}
@ -3967,6 +4140,332 @@ static int orinoco_ioctl_getspy(struct net_device *dev,
return 0;
}
/* Trigger a scan (look for other cells in the vicinity */
static int orinoco_ioctl_setscan(struct net_device *dev,
struct iw_request_info *info,
struct iw_param *srq,
char *extra)
{
struct orinoco_private *priv = netdev_priv(dev);
hermes_t *hw = &priv->hw;
int err = 0;
unsigned long flags;
/* Note : you may have realised that, as this is a SET operation,
* this is priviledged and therefore a normal user can't
* perform scanning.
* This is not an error, while the device perform scanning,
* traffic doesn't flow, so it's a perfect DoS...
* Jean II */
if (orinoco_lock(priv, &flags) != 0)
return -EBUSY;
/* Scanning with port 0 disabled would fail */
if (!netif_running(dev)) {
err = -ENETDOWN;
goto out;
}
/* In monitor mode, the scan results are always empty.
* Probe responses are passed to the driver as received
* frames and could be processed in software. */
if (priv->iw_mode == IW_MODE_MONITOR) {
err = -EOPNOTSUPP;
goto out;
}
/* Note : because we don't lock out the irq handler, the way
* we access scan variables in priv is critical.
* o scan_inprogress : not touched by irq handler
* o scan_mode : not touched by irq handler
* o scan_result : irq is strict producer, non-irq is strict
* consumer.
* o scan_len : synchronised with scan_result
* Before modifying anything on those variables, please think hard !
* Jean II */
/* If there is still some left-over scan results, get rid of it */
if (priv->scan_result != NULL) {
/* What's likely is that a client did crash or was killed
* between triggering the scan request and reading the
* results, so we need to reset everything.
* Some clients that are too slow may suffer from that...
* Jean II */
kfree(priv->scan_result);
priv->scan_result = NULL;
}
/* Save flags */
priv->scan_mode = srq->flags;
/* Always trigger scanning, even if it's in progress.
* This way, if the info frame get lost, we will recover somewhat
* gracefully - Jean II */
if (priv->has_hostscan) {
switch (priv->firmware_type) {
case FIRMWARE_TYPE_SYMBOL:
err = hermes_write_wordrec(hw, USER_BAP,
HERMES_RID_CNFHOSTSCAN_SYMBOL,
HERMES_HOSTSCAN_SYMBOL_ONCE |
HERMES_HOSTSCAN_SYMBOL_BCAST);
break;
case FIRMWARE_TYPE_INTERSIL: {
u16 req[3];
req[0] = cpu_to_le16(0x3fff); /* All channels */
req[1] = cpu_to_le16(0x0001); /* rate 1 Mbps */
req[2] = 0; /* Any ESSID */
err = HERMES_WRITE_RECORD(hw, USER_BAP,
HERMES_RID_CNFHOSTSCAN, &req);
}
break;
case FIRMWARE_TYPE_AGERE:
err = hermes_write_wordrec(hw, USER_BAP,
HERMES_RID_CNFSCANSSID_AGERE,
0); /* Any ESSID */
if (err)
break;
err = hermes_inquire(hw, HERMES_INQ_SCAN);
break;
}
} else
err = hermes_inquire(hw, HERMES_INQ_SCAN);
/* One more client */
if (! err)
priv->scan_inprogress = 1;
out:
orinoco_unlock(priv, &flags);
return err;
}
/* Translate scan data returned from the card to a card independant
* format that the Wireless Tools will understand - Jean II */
static inline int orinoco_translate_scan(struct net_device *dev,
char *buffer,
char *scan,
int scan_len)
{
struct orinoco_private *priv = netdev_priv(dev);
int offset; /* In the scan data */
union hermes_scan_info *atom;
int atom_len;
u16 capabilities;
u16 channel;
struct iw_event iwe; /* Temporary buffer */
char * current_ev = buffer;
char * end_buf = buffer + IW_SCAN_MAX_DATA;
switch (priv->firmware_type) {
case FIRMWARE_TYPE_AGERE:
atom_len = sizeof(struct agere_scan_apinfo);
offset = 0;
break;
case FIRMWARE_TYPE_SYMBOL:
/* Lack of documentation necessitates this hack.
* Different firmwares have 68 or 76 byte long atoms.
* We try modulo first. If the length divides by both,
* we check what would be the channel in the second
* frame for a 68-byte atom. 76-byte atoms have 0 there.
* Valid channel cannot be 0. */
if (scan_len % 76)
atom_len = 68;
else if (scan_len % 68)
atom_len = 76;
else if (scan_len >= 1292 && scan[68] == 0)
atom_len = 76;
else
atom_len = 68;
offset = 0;
break;
case FIRMWARE_TYPE_INTERSIL:
offset = 4;
if (priv->has_hostscan)
atom_len = scan[0] + (scan[1] << 8);
else
atom_len = offsetof(struct prism2_scan_apinfo, atim);
break;
default:
return 0;
}
/* Check that we got an whole number of atoms */
if ((scan_len - offset) % atom_len) {
printk(KERN_ERR "%s: Unexpected scan data length %d, "
"atom_len %d, offset %d\n", dev->name, scan_len,
atom_len, offset);
return 0;
}
/* Read the entries one by one */
for (; offset + atom_len <= scan_len; offset += atom_len) {
/* Get next atom */
atom = (union hermes_scan_info *) (scan + offset);
/* First entry *MUST* be the AP MAC address */
iwe.cmd = SIOCGIWAP;
iwe.u.ap_addr.sa_family = ARPHRD_ETHER;
memcpy(iwe.u.ap_addr.sa_data, atom->a.bssid, ETH_ALEN);
current_ev = iwe_stream_add_event(current_ev, end_buf, &iwe, IW_EV_ADDR_LEN);
/* Other entries will be displayed in the order we give them */
/* Add the ESSID */
iwe.u.data.length = le16_to_cpu(atom->a.essid_len);
if (iwe.u.data.length > 32)
iwe.u.data.length = 32;
iwe.cmd = SIOCGIWESSID;
iwe.u.data.flags = 1;
current_ev = iwe_stream_add_point(current_ev, end_buf, &iwe, atom->a.essid);
/* Add mode */
iwe.cmd = SIOCGIWMODE;
capabilities = le16_to_cpu(atom->a.capabilities);
if (capabilities & 0x3) {
if (capabilities & 0x1)
iwe.u.mode = IW_MODE_MASTER;
else
iwe.u.mode = IW_MODE_ADHOC;
current_ev = iwe_stream_add_event(current_ev, end_buf, &iwe, IW_EV_UINT_LEN);
}
channel = atom->s.channel;
if ( (channel >= 1) && (channel <= NUM_CHANNELS) ) {
/* Add frequency */
iwe.cmd = SIOCGIWFREQ;
iwe.u.freq.m = channel_frequency[channel-1] * 100000;
iwe.u.freq.e = 1;
current_ev = iwe_stream_add_event(current_ev, end_buf,
&iwe, IW_EV_FREQ_LEN);
}
/* Add quality statistics */
iwe.cmd = IWEVQUAL;
iwe.u.qual.updated = 0x10; /* no link quality */
iwe.u.qual.level = (__u8) le16_to_cpu(atom->a.level) - 0x95;
iwe.u.qual.noise = (__u8) le16_to_cpu(atom->a.noise) - 0x95;
/* Wireless tools prior to 27.pre22 will show link quality
* anyway, so we provide a reasonable value. */
if (iwe.u.qual.level > iwe.u.qual.noise)
iwe.u.qual.qual = iwe.u.qual.level - iwe.u.qual.noise;
else
iwe.u.qual.qual = 0;
current_ev = iwe_stream_add_event(current_ev, end_buf, &iwe, IW_EV_QUAL_LEN);
/* Add encryption capability */
iwe.cmd = SIOCGIWENCODE;
if (capabilities & 0x10)
iwe.u.data.flags = IW_ENCODE_ENABLED | IW_ENCODE_NOKEY;
else
iwe.u.data.flags = IW_ENCODE_DISABLED;
iwe.u.data.length = 0;
current_ev = iwe_stream_add_point(current_ev, end_buf, &iwe, atom->a.essid);
/* Bit rate is not available in Lucent/Agere firmwares */
if (priv->firmware_type != FIRMWARE_TYPE_AGERE) {
char * current_val = current_ev + IW_EV_LCP_LEN;
int i;
int step;
if (priv->firmware_type == FIRMWARE_TYPE_SYMBOL)
step = 2;
else
step = 1;
iwe.cmd = SIOCGIWRATE;
/* Those two flags are ignored... */
iwe.u.bitrate.fixed = iwe.u.bitrate.disabled = 0;
/* Max 10 values */
for (i = 0; i < 10; i += step) {
/* NULL terminated */
if (atom->p.rates[i] == 0x0)
break;
/* Bit rate given in 500 kb/s units (+ 0x80) */
iwe.u.bitrate.value = ((atom->p.rates[i] & 0x7f) * 500000);
current_val = iwe_stream_add_value(current_ev, current_val,
end_buf, &iwe,
IW_EV_PARAM_LEN);
}
/* Check if we added any event */
if ((current_val - current_ev) > IW_EV_LCP_LEN)
current_ev = current_val;
}
/* The other data in the scan result are not really
* interesting, so for now drop it - Jean II */
}
return current_ev - buffer;
}
/* Return results of a scan */
static int orinoco_ioctl_getscan(struct net_device *dev,
struct iw_request_info *info,
struct iw_point *srq,
char *extra)
{
struct orinoco_private *priv = netdev_priv(dev);
int err = 0;
unsigned long flags;
if (orinoco_lock(priv, &flags) != 0)
return -EBUSY;
/* If no results yet, ask to try again later */
if (priv->scan_result == NULL) {
if (priv->scan_inprogress)
/* 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.
* Second, we grab some rtnetlink lock before comming
* here (in dev_ioctl()).
* Third, we generate an Wireless Event, so the
* caller can wait itself on that - Jean II */
err = -EAGAIN;
else
/* Client error, no scan results...
* The caller need to restart the scan. */
err = -ENODATA;
} else {
/* We have some results to push back to user space */
/* Translate to WE format */
srq->length = orinoco_translate_scan(dev, extra,
priv->scan_result,
priv->scan_len);
/* Return flags */
srq->flags = (__u16) priv->scan_mode;
/* Results are here, so scan no longer in progress */
priv->scan_inprogress = 0;
/* In any case, Scan results will be cleaned up in the
* reset function and when exiting the driver.
* The person triggering the scanning may never come to
* pick the results, so we need to do it in those places.
* Jean II */
#ifdef SCAN_SINGLE_READ
/* If you enable this option, only one client (the first
* one) will be able to read the result (and only one
* time). If there is multiple concurent clients that
* want to read scan results, this behavior is not
* advisable - Jean II */
kfree(priv->scan_result);
priv->scan_result = NULL;
#endif /* SCAN_SINGLE_READ */
/* Here, if too much time has elapsed since last scan,
* we may want to clean up scan results... - Jean II */
}
orinoco_unlock(priv, &flags);
return err;
}
/* Commit handler, called after set operations */
static int orinoco_ioctl_commit(struct net_device *dev,
struct iw_request_info *info,
@ -4060,6 +4559,8 @@ static const iw_handler orinoco_handler[] = {
[SIOCGIWSPY -SIOCIWFIRST] (iw_handler) orinoco_ioctl_getspy,
[SIOCSIWAP -SIOCIWFIRST] (iw_handler) orinoco_ioctl_setwap,
[SIOCGIWAP -SIOCIWFIRST] (iw_handler) orinoco_ioctl_getwap,
[SIOCSIWSCAN -SIOCIWFIRST] (iw_handler) orinoco_ioctl_setscan,
[SIOCGIWSCAN -SIOCIWFIRST] (iw_handler) orinoco_ioctl_getscan,
[SIOCSIWESSID -SIOCIWFIRST] (iw_handler) orinoco_ioctl_setessid,
[SIOCGIWESSID -SIOCIWFIRST] (iw_handler) orinoco_ioctl_getessid,
[SIOCSIWNICKN -SIOCIWFIRST] (iw_handler) orinoco_ioctl_setnick,

22
drivers/net/wireless/orinoco.h
View File

@ -32,6 +32,20 @@ struct orinoco_key {
char data[ORINOCO_MAX_KEY_SIZE];
} __attribute__ ((packed));
struct header_struct {
/* 802.3 */
u8 dest[ETH_ALEN];
u8 src[ETH_ALEN];
u16 len;
/* 802.2 */
u8 dsap;
u8 ssap;
u8 ctrl;
/* SNAP */
u8 oui[3];
u16 ethertype;
} __attribute__ ((packed));
typedef enum {
FIRMWARE_TYPE_AGERE,
FIRMWARE_TYPE_INTERSIL,
@ -51,6 +65,7 @@ struct orinoco_private {
int open;
u16 last_linkstatus;
struct work_struct join_work;
struct work_struct wevent_work;
/* Net device stuff */
struct net_device *ndev;
@ -77,6 +92,7 @@ struct orinoco_private {
unsigned int has_pm:1;
unsigned int has_preamble:1;
unsigned int has_sensitivity:1;
unsigned int has_hostscan:1;
unsigned int broken_disableport:1;
/* Configuration paramaters */
@ -103,6 +119,12 @@ struct orinoco_private {
/* Configuration dependent variables */
int port_type, createibss;
int promiscuous, mc_count;
/* Scanning support */
int scan_inprogress; /* Scan pending... */
u32 scan_mode; /* Type of scan done */
char * scan_result; /* Result of previous scan */
int scan_len; /* Lenght of result */
};
#ifdef ORINOCO_DEBUG