[PATCH] orinoco: scanning support
Patch from Pavel Roskin
diff --git a/drivers/net/wireless/orinoco.c b/drivers/net/wireless/orinoco.c
index c057b7f..38fd862 100644
--- a/drivers/net/wireless/orinoco.c
+++ b/drivers/net/wireless/orinoco.c
@@ -514,6 +514,10 @@
/* 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 @@
/* 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 @@
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 @@
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 @@
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 @@
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 @@
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 @@
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 @@
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 @@
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 @@
* 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 @@
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 @@
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 @@
[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,