diff options
Diffstat (limited to 'drivers/net/wireless/orinoco/wext.c')
| -rw-r--r-- | drivers/net/wireless/orinoco/wext.c | 2325 |
1 files changed, 2325 insertions, 0 deletions
diff --git a/drivers/net/wireless/orinoco/wext.c b/drivers/net/wireless/orinoco/wext.c new file mode 100644 index 000000000000..3f0814234392 --- /dev/null +++ b/drivers/net/wireless/orinoco/wext.c @@ -0,0 +1,2325 @@ +/* Wireless extensions support. + * + * See copyright notice in main.c + */ +#include <linux/kernel.h> +#include <linux/if_arp.h> +#include <linux/wireless.h> +#include <linux/ieee80211.h> +#include <net/iw_handler.h> + +#include "hermes.h" +#include "hermes_rid.h" +#include "orinoco.h" + +#include "hw.h" +#include "mic.h" +#include "scan.h" +#include "main.h" + +#include "wext.h" + +#define MAX_RID_LEN 1024 + +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; + unsigned long flags; + + if (!netif_device_present(dev)) { + printk(KERN_WARNING "%s: get_wireless_stats() called while device not present\n", + dev->name); + 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 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)); + /* If a spy address is defined, we report stats of the + * first spy address - Jean II */ + if (SPY_NUMBER(priv)) { + wstats->qual.qual = priv->spy_data.spy_stat[0].qual; + wstats->qual.level = priv->spy_data.spy_stat[0].level; + wstats->qual.noise = priv->spy_data.spy_stat[0].noise; + wstats->qual.updated = + priv->spy_data.spy_stat[0].updated; + } + } else { + struct { + __le16 qual, signal, noise, unused; + } __attribute__ ((packed)) cq; + + err = HERMES_READ_RECORD(hw, USER_BAP, + HERMES_RID_COMMSQUALITY, &cq); + + 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 = + IW_QUAL_ALL_UPDATED | IW_QUAL_DBM; + } + } + + orinoco_unlock(priv, &flags); + return wstats; +} + +/********************************************************************/ +/* Wireless extensions */ +/********************************************************************/ + +static int orinoco_ioctl_getname(struct net_device *dev, + struct iw_request_info *info, + char *name, + char *extra) +{ + struct orinoco_private *priv = netdev_priv(dev); + int numrates; + int err; + + err = orinoco_hw_get_bitratelist(priv, &numrates, NULL, 0); + + if (!err && (numrates > 2)) + strcpy(name, "IEEE 802.11b"); + else + strcpy(name, "IEEE 802.11-DS"); + + return 0; +} + +static int orinoco_ioctl_setwap(struct net_device *dev, + struct iw_request_info *info, + struct sockaddr *ap_addr, + char *extra) +{ + struct orinoco_private *priv = netdev_priv(dev); + int err = -EINPROGRESS; /* Call commit handler */ + unsigned long flags; + static const u8 off_addr[] = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 }; + static const u8 any_addr[] = { 0xff, 0xff, 0xff, 0xff, 0xff, 0xff }; + + if (orinoco_lock(priv, &flags) != 0) + return -EBUSY; + + /* Enable automatic roaming - no sanity checks are needed */ + if (memcmp(&ap_addr->sa_data, off_addr, ETH_ALEN) == 0 || + memcmp(&ap_addr->sa_data, any_addr, ETH_ALEN) == 0) { + priv->bssid_fixed = 0; + memset(priv->desired_bssid, 0, ETH_ALEN); + + /* "off" means keep existing connection */ + if (ap_addr->sa_data[0] == 0) { + __orinoco_hw_set_wap(priv); + err = 0; + } + goto out; + } + + if (priv->firmware_type == FIRMWARE_TYPE_AGERE) { + printk(KERN_WARNING "%s: Lucent/Agere firmware doesn't " + "support manual roaming\n", + dev->name); + err = -EOPNOTSUPP; + goto out; + } + + if (priv->iw_mode != IW_MODE_INFRA) { + printk(KERN_WARNING "%s: Manual roaming supported only in " + "managed mode\n", dev->name); + err = -EOPNOTSUPP; + goto out; + } + + /* Intersil firmware hangs without Desired ESSID */ + if (priv->firmware_type == FIRMWARE_TYPE_INTERSIL && + strlen(priv->desired_essid) == 0) { + printk(KERN_WARNING "%s: Desired ESSID must be set for " + "manual roaming\n", dev->name); + err = -EOPNOTSUPP; + goto out; + } + + /* Finally, enable manual roaming */ + priv->bssid_fixed = 1; + memcpy(priv->desired_bssid, &ap_addr->sa_data, ETH_ALEN); + + out: + orinoco_unlock(priv, &flags); + return err; +} + +static int orinoco_ioctl_getwap(struct net_device *dev, + struct iw_request_info *info, + struct sockaddr *ap_addr, + char *extra) +{ + struct orinoco_private *priv = netdev_priv(dev); + + hermes_t *hw = &priv->hw; + int err = 0; + unsigned long flags; + + if (orinoco_lock(priv, &flags) != 0) + return -EBUSY; + + ap_addr->sa_family = ARPHRD_ETHER; + err = hermes_read_ltv(hw, USER_BAP, HERMES_RID_CURRENTBSSID, + ETH_ALEN, NULL, ap_addr->sa_data); + + orinoco_unlock(priv, &flags); + + return err; +} + +static int orinoco_ioctl_setmode(struct net_device *dev, + struct iw_request_info *info, + u32 *mode, + char *extra) +{ + struct orinoco_private *priv = netdev_priv(dev); + int err = -EINPROGRESS; /* Call commit handler */ + unsigned long flags; + + if (priv->iw_mode == *mode) + return 0; + + if (orinoco_lock(priv, &flags) != 0) + return -EBUSY; + + switch (*mode) { + case IW_MODE_ADHOC: + if (!priv->has_ibss && !priv->has_port3) + err = -EOPNOTSUPP; + break; + + case IW_MODE_INFRA: + break; + + case IW_MODE_MONITOR: + if (priv->broken_monitor && !force_monitor) { + printk(KERN_WARNING "%s: Monitor mode support is " + "buggy in this firmware, not enabling\n", + dev->name); + err = -EOPNOTSUPP; + } + break; + + default: + err = -EOPNOTSUPP; + break; + } + + if (err == -EINPROGRESS) { + priv->iw_mode = *mode; + set_port_type(priv); + } + + orinoco_unlock(priv, &flags); + + return err; +} + +static int orinoco_ioctl_getmode(struct net_device *dev, + struct iw_request_info *info, + u32 *mode, + char *extra) +{ + struct orinoco_private *priv = netdev_priv(dev); + + *mode = priv->iw_mode; + return 0; +} + +static int orinoco_ioctl_getiwrange(struct net_device *dev, + struct iw_request_info *info, + struct iw_point *rrq, + char *extra) +{ + struct orinoco_private *priv = netdev_priv(dev); + int err = 0; + struct iw_range *range = (struct iw_range *) extra; + int numrates; + int i, k; + + rrq->length = sizeof(struct iw_range); + memset(range, 0, sizeof(struct iw_range)); + + range->we_version_compiled = WIRELESS_EXT; + range->we_version_source = 22; + + /* Set available channels/frequencies */ + range->num_channels = NUM_CHANNELS; + k = 0; + for (i = 0; i < NUM_CHANNELS; i++) { + if (priv->channel_mask & (1 << i)) { + range->freq[k].i = i + 1; + range->freq[k].m = (ieee80211_dsss_chan_to_freq(i + 1) * + 100000); + range->freq[k].e = 1; + k++; + } + + if (k >= IW_MAX_FREQUENCIES) + break; + } + range->num_frequency = k; + range->sensitivity = 3; + + if (priv->has_wep) { + range->max_encoding_tokens = ORINOCO_MAX_KEYS; + range->encoding_size[0] = SMALL_KEY_SIZE; + range->num_encoding_sizes = 1; + + if (priv->has_big_wep) { + range->encoding_size[1] = LARGE_KEY_SIZE; + range->num_encoding_sizes = 2; + } + } + + if (priv->has_wpa) + range->enc_capa = IW_ENC_CAPA_WPA | IW_ENC_CAPA_CIPHER_TKIP; + + if ((priv->iw_mode == IW_MODE_ADHOC) && (!SPY_NUMBER(priv))) { + /* Quality stats meaningless in ad-hoc mode */ + } else { + range->max_qual.qual = 0x8b - 0x2f; + range->max_qual.level = 0x2f - 0x95 - 1; + range->max_qual.noise = 0x2f - 0x95 - 1; + /* Need to get better values */ + range->avg_qual.qual = 0x24; + range->avg_qual.level = 0xC2; + range->avg_qual.noise = 0x9E; + } + + err = orinoco_hw_get_bitratelist(priv, &numrates, + range->bitrate, IW_MAX_BITRATES); + if (err) + return err; + range->num_bitrates = numrates; + + /* Set an indication of the max TCP throughput in bit/s that we can + * expect using this interface. May be use for QoS stuff... + * Jean II */ + if (numrates > 2) + range->throughput = 5 * 1000 * 1000; /* ~5 Mb/s */ + else + range->throughput = 1.5 * 1000 * 1000; /* ~1.5 Mb/s */ + + range->min_rts = 0; + range->max_rts = 2347; + range->min_frag = 256; + range->max_frag = 2346; + + range->min_pmp = 0; + range->max_pmp = 65535000; + range->min_pmt = 0; + range->max_pmt = 65535 * 1000; /* ??? */ + range->pmp_flags = IW_POWER_PERIOD; + range->pmt_flags = IW_POWER_TIMEOUT; + range->pm_capa = (IW_POWER_PERIOD | IW_POWER_TIMEOUT | + IW_POWER_UNICAST_R); + + range->retry_capa = IW_RETRY_LIMIT | IW_RETRY_LIFETIME; + range->retry_flags = IW_RETRY_LIMIT; + range->r_time_flags = IW_RETRY_LIFETIME; + range->min_retry = 0; + range->max_retry = 65535; /* ??? */ + range->min_r_time = 0; + range->max_r_time = 65535 * 1000; /* ??? */ + + if (priv->firmware_type == FIRMWARE_TYPE_AGERE) + range->scan_capa = IW_SCAN_CAPA_ESSID; + else + range->scan_capa = IW_SCAN_CAPA_NONE; + + /* Event capability (kernel) */ + IW_EVENT_CAPA_SET_KERNEL(range->event_capa); + /* Event capability (driver) */ + IW_EVENT_CAPA_SET(range->event_capa, SIOCGIWTHRSPY); + IW_EVENT_CAPA_SET(range->event_capa, SIOCGIWAP); + IW_EVENT_CAPA_SET(range->event_capa, SIOCGIWSCAN); + IW_EVENT_CAPA_SET(range->event_capa, IWEVTXDROP); + + return 0; +} + +static int orinoco_ioctl_setiwencode(struct net_device *dev, + struct iw_request_info *info, + struct iw_point *erq, + char *keybuf) +{ + struct orinoco_private *priv = netdev_priv(dev); + int index = (erq->flags & IW_ENCODE_INDEX) - 1; + int setindex = priv->tx_key; + int encode_alg = priv->encode_alg; + int restricted = priv->wep_restrict; + u16 xlen = 0; + int err = -EINPROGRESS; /* Call commit handler */ + unsigned long flags; + + if (!priv->has_wep) + return -EOPNOTSUPP; + + if (erq->pointer) { + /* We actually have a key to set - check its length */ + if (erq->length > LARGE_KEY_SIZE) + return -E2BIG; + + if ((erq->length > SMALL_KEY_SIZE) && !priv->has_big_wep) + return -E2BIG; + } + + if (orinoco_lock(priv, &flags) != 0) + return -EBUSY; + + /* Clear any TKIP key we have */ + if ((priv->has_wpa) && (priv->encode_alg == IW_ENCODE_ALG_TKIP)) + (void) orinoco_clear_tkip_key(priv, setindex); + + if (erq->length > 0) { + if ((index < 0) || (index >= ORINOCO_MAX_KEYS)) + index = priv->tx_key; + + /* Adjust key length to a supported value */ + if (erq->length > SMALL_KEY_SIZE) + xlen = LARGE_KEY_SIZE; + else if (erq->length > 0) + xlen = SMALL_KEY_SIZE; + else + xlen = 0; + + /* Switch on WEP if off */ + if ((encode_alg != IW_ENCODE_ALG_WEP) && (xlen > 0)) { + setindex = index; + encode_alg = IW_ENCODE_ALG_WEP; + } + } else { + /* Important note : if the user do "iwconfig eth0 enc off", + * we will arrive there with an index of -1. This is valid + * but need to be taken care off... Jean II */ + if ((index < 0) || (index >= ORINOCO_MAX_KEYS)) { + if ((index != -1) || (erq->flags == 0)) { + err = -EINVAL; + goto out; + } + } else { + /* Set the index : Check that the key is valid */ + if (priv->keys[index].len == 0) { + err = -EINVAL; + goto out; + } + setindex = index; + } + } + + if (erq->flags & IW_ENCODE_DISABLED) + encode_alg = IW_ENCODE_ALG_NONE; + if (erq->flags & IW_ENCODE_OPEN) + restricted = 0; + if (erq->flags & IW_ENCODE_RESTRICTED) + restricted = 1; + + if (erq->pointer && erq->length > 0) { + priv->keys[index].len = cpu_to_le16(xlen); + memset(priv->keys[index].data, 0, + sizeof(priv->keys[index].data)); + memcpy(priv->keys[index].data, keybuf, erq->length); + } + priv->tx_key = setindex; + + /* Try fast key change if connected and only keys are changed */ + if ((priv->encode_alg == encode_alg) && + (priv->wep_restrict == restricted) && + netif_carrier_ok(dev)) { + err = __orinoco_hw_setup_wepkeys(priv); + /* No need to commit if successful */ + goto out; + } + + priv->encode_alg = encode_alg; + priv->wep_restrict = restricted; + + out: + orinoco_unlock(priv, &flags); + + return err; +} + +static int orinoco_ioctl_getiwencode(struct net_device *dev, + struct iw_request_info *info, + struct iw_point *erq, + char *keybuf) +{ + struct orinoco_private *priv = netdev_priv(dev); + int index = (erq->flags & IW_ENCODE_INDEX) - 1; + u16 xlen = 0; + unsigned long flags; + + if (!priv->has_wep) + return -EOPNOTSUPP; + + if (orinoco_lock(priv, &flags) != 0) + return -EBUSY; + + if ((index < 0) || (index >= ORINOCO_MAX_KEYS)) + index = priv->tx_key; + + erq->flags = 0; + if (!priv->encode_alg) + erq->flags |= IW_ENCODE_DISABLED; + erq->flags |= index + 1; + + if (priv->wep_restrict) + erq->flags |= IW_ENCODE_RESTRICTED; + else + erq->flags |= IW_ENCODE_OPEN; + + xlen = le16_to_cpu(priv->keys[index].len); + + erq->length = xlen; + + memcpy(keybuf, priv->keys[index].data, ORINOCO_MAX_KEY_SIZE); + + orinoco_unlock(priv, &flags); + return 0; +} + +static int orinoco_ioctl_setessid(struct net_device *dev, + struct iw_request_info *info, + struct iw_point *erq, + char *essidbuf) +{ + struct orinoco_private *priv = netdev_priv(dev); + unsigned long flags; + + /* Note : ESSID is ignored in Ad-Hoc demo mode, but we can set it + * anyway... - Jean II */ + + /* Hum... Should not use Wireless Extension constant (may change), + * should use our own... - Jean II */ + if (erq->length > IW_ESSID_MAX_SIZE) + return -E2BIG; + + if (orinoco_lock(priv, &flags) != 0) + return -EBUSY; + + /* NULL the string (for NULL termination & ESSID = ANY) - Jean II */ + memset(priv->desired_essid, 0, sizeof(priv->desired_essid)); + + /* If not ANY, get the new ESSID */ + if (erq->flags) + memcpy(priv->desired_essid, essidbuf, erq->length); + + orinoco_unlock(priv, &flags); + + return -EINPROGRESS; /* Call commit handler */ +} + +static int orinoco_ioctl_getessid(struct net_device *dev, + struct iw_request_info *info, + struct iw_point *erq, + char *essidbuf) +{ + struct orinoco_private *priv = netdev_priv(dev); + int active; + int err = 0; + unsigned long flags; + + if (netif_running(dev)) { + err = orinoco_hw_get_essid(priv, &active, essidbuf); + if (err < 0) + return err; + erq->length = err; + } else { + if (orinoco_lock(priv, &flags) != 0) + return -EBUSY; + memcpy(essidbuf, priv->desired_essid, IW_ESSID_MAX_SIZE); + erq->length = strlen(priv->desired_essid); + orinoco_unlock(priv, &flags); + } + + erq->flags = 1; + + return 0; +} + +static int orinoco_ioctl_setnick(struct net_device *dev, + struct iw_request_info *info, + struct iw_point *nrq, + char *nickbuf) +{ + struct orinoco_private *priv = netdev_priv(dev); + unsigned long flags; + + if (nrq->length > IW_ESSID_MAX_SIZE) + return -E2BIG; + + if (orinoco_lock(priv, &flags) != 0) + return -EBUSY; + + memset(priv->nick, 0, sizeof(priv->nick)); + memcpy(priv->nick, nickbuf, nrq->length); + + orinoco_unlock(priv, &flags); + + return -EINPROGRESS; /* Call commit handler */ +} + +static int orinoco_ioctl_getnick(struct net_device *dev, + struct iw_request_info *info, + struct iw_point *nrq, + char *nickbuf) +{ + struct orinoco_private *priv = netdev_priv(dev); + unsigned long flags; + + if (orinoco_lock(priv, &flags) != 0) + return -EBUSY; + + memcpy(nickbuf, priv->nick, IW_ESSID_MAX_SIZE); + orinoco_unlock(priv, &flags); + + nrq->length = strlen(priv->nick); + + return 0; +} + +static int orinoco_ioctl_setfreq(struct net_device *dev, + struct iw_request_info *info, + struct iw_freq *frq, + char *extra) +{ + struct orinoco_private *priv = netdev_priv(dev); + int chan = -1; + unsigned long flags; + int err = -EINPROGRESS; /* Call commit handler */ + + /* In infrastructure mode the AP sets the channel */ + if (priv->iw_mode == IW_MODE_INFRA) + return -EBUSY; + + if ((frq->e == 0) && (frq->m <= 1000)) { + /* Setting by channel number */ + chan = frq->m; + } else { + /* Setting by frequency */ + int denom = 1; + int i; + + /* Calculate denominator to rescale to MHz */ + for (i = 0; i < (6 - frq->e); i++) + denom *= 10; + + chan = ieee80211_freq_to_dsss_chan(frq->m / denom); + } + + if ((chan < 1) || (chan > NUM_CHANNELS) || + !(priv->channel_mask & (1 << (chan-1)))) + return -EINVAL; + + if (orinoco_lock(priv, &flags) != 0) + return -EBUSY; + + priv->channel = chan; + if (priv->iw_mode == IW_MODE_MONITOR) { + /* Fast channel change - no commit if successful */ + hermes_t *hw = &priv->hw; + err = hermes_docmd_wait(hw, HERMES_CMD_TEST | + HERMES_TEST_SET_CHANNEL, + chan, NULL); + } + orinoco_unlock(priv, &flags); + + return err; +} + +static int orinoco_ioctl_getfreq(struct net_device *dev, + struct iw_request_info *info, + struct iw_freq *frq, + char *extra) +{ + struct orinoco_private *priv = netdev_priv(dev); + int tmp; + + /* Locking done in there */ + tmp = orinoco_hw_get_freq(priv); + if (tmp < 0) + return tmp; + + frq->m = tmp * 100000; + frq->e = 1; + + return 0; +} + +static int orinoco_ioctl_getsens(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; + u16 val; + int err; + unsigned long flags; + + if (!priv->has_sensitivity) + return -EOPNOTSUPP; + + if (orinoco_lock(priv, &flags) != 0) + return -EBUSY; + err = hermes_read_wordrec(hw, USER_BAP, + HERMES_RID_CNFSYSTEMSCALE, &val); + orinoco_unlock(priv, &flags); + + if (err) + return err; + + srq->value = val; + srq->fixed = 0; /* auto */ + + return 0; +} + +static int orinoco_ioctl_setsens(struct net_device *dev, + struct iw_request_info *info, + struct iw_param *srq, + char *extra) +{ + struct orinoco_private *priv = netdev_priv(dev); + int val = srq->value; + unsigned long flags; + + if (!priv->has_sensitivity) + return -EOPNOTSUPP; + + if ((val < 1) || (val > 3)) + return -EINVAL; + + if (orinoco_lock(priv, &flags) != 0) + return -EBUSY; + priv->ap_density = val; + orinoco_unlock(priv, &flags); + + return -EINPROGRESS; /* Call commit handler */ +} + +static int orinoco_ioctl_setrts(struct net_device *dev, + struct iw_request_info *info, + struct iw_param *rrq, + char *extra) +{ + struct orinoco_private *priv = netdev_priv(dev); + int val = rrq->value; + unsigned long flags; + + if (rrq->disabled) + val = 2347; + + if ((val < 0) || (val > 2347)) + return -EINVAL; + + if (orinoco_lock(priv, &flags) != 0) + return -EBUSY; + + priv->rts_thresh = val; + orinoco_unlock(priv, &flags); + + return -EINPROGRESS; /* Call commit handler */ +} + +static int orinoco_ioctl_getrts(struct net_device *dev, + struct iw_request_info *info, + struct iw_param *rrq, + char *extra) +{ + struct orinoco_private *priv = netdev_priv(dev); + + rrq->value = priv->rts_thresh; + rrq->disabled = (rrq->value == 2347); + rrq->fixed = 1; + + return 0; +} + +static int orinoco_ioctl_setfrag(struct net_device *dev, + struct iw_request_info *info, + struct iw_param *frq, + char *extra) +{ + struct orinoco_private *priv = netdev_priv(dev); + int err = -EINPROGRESS; /* Call commit handler */ + unsigned long flags; + + if (orinoco_lock(priv, &flags) != 0) + return -EBUSY; + + if (priv->has_mwo) { + if (frq->disabled) + priv->mwo_robust = 0; + else { + if (frq->fixed) + printk(KERN_WARNING "%s: Fixed fragmentation " + "is not supported on this firmware. " + "Using MWO robust instead.\n", + dev->name); + priv->mwo_robust = 1; + } + } else { + if (frq->disabled) + priv->frag_thresh = 2346; + else { + if ((frq->value < 256) || (frq->value > 2346)) + err = -EINVAL; + else + /* must be even */ + priv->frag_thresh = frq->value & ~0x1; + } + } + + orinoco_unlock(priv, &flags); + + return err; +} + +static int orinoco_ioctl_getfrag(struct net_device *dev, + struct iw_request_info *info, + struct iw_param *frq, + char *extra) +{ + struct orinoco_private *priv = netdev_priv(dev); + hermes_t *hw = &priv->hw; + int err; + u16 val; + unsigned long flags; + + if (orinoco_lock(priv, &flags) != 0) + return -EBUSY; + + if (priv->has_mwo) { + err = hermes_read_wordrec(hw, USER_BAP, + HERMES_RID_CNFMWOROBUST_AGERE, + &val); + if (err) + val = 0; + + frq->value = val ? 2347 : 0; + frq->disabled = !val; + frq->fixed = 0; + } else { + err = hermes_read_wordrec(hw, USER_BAP, + HERMES_RID_CNFFRAGMENTATIONTHRESHOLD, + &val); + if (err) + val = 0; + + frq->value = val; + frq->disabled = (val >= 2346); + frq->fixed = 1; + } + + orinoco_unlock(priv, &flags); + + return err; +} + +static int orinoco_ioctl_setrate(struct net_device *dev, + struct iw_request_info *info, + struct iw_param *rrq, + char *extra) +{ + struct orinoco_private *priv = netdev_priv(dev); + int ratemode; + int bitrate; /* 100s of kilobits */ + unsigned long flags; + + /* As the user space doesn't know our highest rate, it uses -1 + * to ask us to set the highest rate. Test it using "iwconfig + * ethX rate auto" - Jean II */ + if (rrq->value == -1) + bitrate = 110; + else { + if (rrq->value % 100000) + return -EINVAL; + bitrate = rrq->value / 100000; + } + + ratemode = orinoco_get_bitratemode(bitrate, !rrq->fixed); + + if (ratemode == -1) + return -EINVAL; + + if (orinoco_lock(priv, &flags) != 0) + return -EBUSY; + priv->bitratemode = ratemode; + orinoco_unlock(priv, &flags); + + return -EINPROGRESS; +} + +static int orinoco_ioctl_getrate(struct net_device *dev, + struct iw_request_info *info, + struct iw_param *rrq, + char *extra) +{ + struct orinoco_private *priv = netdev_priv(dev); + int err = 0; + int bitrate, automatic; + unsigned long flags; + + if (orinoco_lock(priv, &flags) != 0) + return -EBUSY; + + orinoco_get_ratemode_cfg(priv->bitratemode, &bitrate, &automatic); + + /* If the interface is running we try to find more about the + current mode */ + if (netif_running(dev)) + err = orinoco_hw_get_act_bitrate(priv, &bitrate); + + orinoco_unlock(priv, &flags); + + rrq->value = bitrate; + rrq->fixed = !automatic; + rrq->disabled = 0; + + return err; +} + +static int orinoco_ioctl_setpower(struct net_device *dev, + struct iw_request_info *info, + struct iw_param *prq, + char *extra) +{ + struct orinoco_private *priv = netdev_priv(dev); + int err = -EINPROGRESS; /* Call commit handler */ + unsigned long flags; + + if (orinoco_lock(priv, &flags) != 0) + return -EBUSY; + + if (prq->disabled) { + priv->pm_on = 0; + } else { + switch (prq->flags & IW_POWER_MODE) { + case IW_POWER_UNICAST_R: + priv->pm_mcast = 0; + priv->pm_on = 1; + break; + case IW_POWER_ALL_R: + priv->pm_mcast = 1; + priv->pm_on = 1; + break; + case IW_POWER_ON: + /* No flags : but we may have a value - Jean II */ + break; + default: + err = -EINVAL; + goto out; + } + + if (prq->flags & IW_POWER_TIMEOUT) { + priv->pm_on = 1; + priv->pm_timeout = prq->value / 1000; + } + if (prq->flags & IW_POWER_PERIOD) { + priv->pm_on = 1; + priv->pm_period = prq->value / 1000; + } + /* It's valid to not have a value if we are just toggling + * the flags... Jean II */ + if (!priv->pm_on) { + err = -EINVAL; + goto out; + } + } + + out: + orinoco_unlock(priv, &flags); + + return err; +} + +static int orinoco_ioctl_getpower(struct net_device *dev, + struct iw_request_info *info, + struct iw_param *prq, + char *extra) +{ + struct orinoco_private *priv = netdev_priv(dev); + hermes_t *hw = &priv->hw; + int err = 0; + u16 enable, period, timeout, mcast; + unsigned long flags; + + if (orinoco_lock(priv, &flags) != 0) + return -EBUSY; + + err = hermes_read_wordrec(hw, USER_BAP, + HERMES_RID_CNFPMENABLED, &enable); + if (err) + goto out; + + err = hermes_read_wordrec(hw, USER_BAP, + HERMES_RID_CNFMAXSLEEPDURATION, &period); + if (err) + goto out; + + err = hermes_read_wordrec(hw, USER_BAP, + HERMES_RID_CNFPMHOLDOVERDURATION, &timeout); + if (err) + goto out; + + err = hermes_read_wordrec(hw, USER_BAP, + HERMES_RID_CNFMULTICASTRECEIVE, &mcast); + if (err) + goto out; + + prq->disabled = !enable; + /* Note : by default, display the period */ + if ((prq->flags & IW_POWER_TYPE) == IW_POWER_TIMEOUT) { + prq->flags = IW_POWER_TIMEOUT; + prq->value = timeout * 1000; + } else { + prq->flags = IW_POWER_PERIOD; + prq->value = period * 1000; + } + if (mcast) + prq->flags |= IW_POWER_ALL_R; + else + prq->flags |= IW_POWER_UNICAST_R; + + out: + orinoco_unlock(priv, &flags); + + return err; +} + +static int orinoco_ioctl_set_encodeext(struct net_device *dev, + struct iw_request_info *info, + union iwreq_data *wrqu, + char *extra) +{ + struct orinoco_private *priv = netdev_priv(dev); + struct iw_point *encoding = &wrqu->encoding; + struct iw_encode_ext *ext = (struct iw_encode_ext *)extra; + int idx, alg = ext->alg, set_key = 1; + unsigned long flags; + int err = -EINVAL; + u16 key_len; + + if (orinoco_lock(priv, &flags) != 0) + return -EBUSY; + + /* Determine and validate the key index */ + idx = encoding->flags & IW_ENCODE_INDEX; + if (idx) { + if ((idx < 1) || (idx > 4)) + goto out; + idx--; + } else + idx = priv->tx_key; + + if (encoding->flags & IW_ENCODE_DISABLED) + alg = IW_ENCODE_ALG_NONE; + + if (priv->has_wpa && (alg != IW_ENCODE_ALG_TKIP)) { + /* Clear any TKIP TX key we had */ + (void) orinoco_clear_tkip_key(priv, priv->tx_key); + } + + if (ext->ext_flags & IW_ENCODE_EXT_SET_TX_KEY) { + priv->tx_key = idx; + set_key = ((alg == IW_ENCODE_ALG_TKIP) || + (ext->key_len > 0)) ? 1 : 0; + } + + if (set_key) { + /* Set the requested key first */ + switch (alg) { + case IW_ENCODE_ALG_NONE: + priv->encode_alg = alg; + priv->keys[idx].len = 0; + break; + + case IW_ENCODE_ALG_WEP: + if (ext->key_len > SMALL_KEY_SIZE) + key_len = LARGE_KEY_SIZE; + else if (ext->key_len > 0) + key_len = SMALL_KEY_SIZE; + else + goto out; + + priv->encode_alg = alg; + priv->keys[idx].len = cpu_to_le16(key_len); + + key_len = min(ext->key_len, key_len); + + memset(priv->keys[idx].data, 0, ORINOCO_MAX_KEY_SIZE); + memcpy(priv->keys[idx].data, ext->key, key_len); + break; + + case IW_ENCODE_ALG_TKIP: + { + hermes_t *hw = &priv->hw; + u8 *tkip_iv = NULL; + + if (!priv->has_wpa || + (ext->key_len > sizeof(priv->tkip_key[0]))) + goto out; + + priv->encode_alg = alg; + memset(&priv->tkip_key[idx], 0, + sizeof(priv->tkip_key[idx])); + memcpy(&priv->tkip_key[idx], ext->key, ext->key_len); + + if (ext->ext_flags & IW_ENCODE_EXT_RX_SEQ_VALID) + tkip_iv = &ext->rx_seq[0]; + + err = __orinoco_hw_set_tkip_key(hw, idx, + ext->ext_flags & IW_ENCODE_EXT_SET_TX_KEY, + (u8 *) &priv->tkip_key[idx], + tkip_iv, NULL); + if (err) + printk(KERN_ERR "%s: Error %d setting TKIP key" + "\n", dev->name, err); + + goto out; + } + default: + goto out; + } + } + err = -EINPROGRESS; + out: + orinoco_unlock(priv, &flags); + + return err; +} + +static int orinoco_ioctl_get_encodeext(struct net_device *dev, + struct iw_request_info *info, + union iwreq_data *wrqu, + char *extra) +{ + struct orinoco_private *priv = netdev_priv(dev); + struct iw_point *encoding = &wrqu->encoding; + struct iw_encode_ext *ext = (struct iw_encode_ext *)extra; + int idx, max_key_len; + unsigned long flags; + int err; + + if (orinoco_lock(priv, &flags) != 0) + return -EBUSY; + + err = -EINVAL; + max_key_len = encoding->length - sizeof(*ext); + if (max_key_len < 0) + goto out; + + idx = encoding->flags & IW_ENCODE_INDEX; + if (idx) { + if ((idx < 1) || (idx > 4)) + goto out; + idx--; + } else + idx = priv->tx_key; + + encoding->flags = idx + 1; + memset(ext, 0, sizeof(*ext)); + + ext->alg = priv->encode_alg; + switch (priv->encode_alg) { + case IW_ENCODE_ALG_NONE: + ext->key_len = 0; + encoding->flags |= IW_ENCODE_DISABLED; + break; + case IW_ENCODE_ALG_WEP: + ext->key_len = min_t(u16, le16_to_cpu(priv->keys[idx].len), + max_key_len); + memcpy(ext->key, priv->keys[idx].data, ext->key_len); + encoding->flags |= IW_ENCODE_ENABLED; + break; + case IW_ENCODE_ALG_TKIP: + ext->key_len = min_t(u16, sizeof(struct orinoco_tkip_key), + max_key_len); + memcpy(ext->key, &priv->tkip_key[idx], ext->key_len); + encoding->flags |= IW_ENCODE_ENABLED; + break; + } + + err = 0; + out: + orinoco_unlock(priv, &flags); + + return err; +} + +static int orinoco_ioctl_set_auth(struct net_device *dev, + struct iw_request_info *info, + union iwreq_data *wrqu, char *extra) +{ + struct orinoco_private *priv = netdev_priv(dev); + hermes_t *hw = &priv->hw; + struct iw_param *param = &wrqu->param; + unsigned long flags; + int ret = -EINPROGRESS; + + if (orinoco_lock(priv, &flags) != 0) + return -EBUSY; + + switch (param->flags & IW_AUTH_INDEX) { + case IW_AUTH_WPA_VERSION: + case IW_AUTH_CIPHER_PAIRWISE: + case IW_AUTH_CIPHER_GROUP: + case IW_AUTH_RX_UNENCRYPTED_EAPOL: + case IW_AUTH_PRIVACY_INVOKED: + case IW_AUTH_DROP_UNENCRYPTED: + /* + * orinoco does not use these parameters + */ + break; + + case IW_AUTH_KEY_MGMT: + /* wl_lkm implies value 2 == PSK for Hermes I + * which ties in with WEXT + * no other hints tho :( + */ + priv->key_mgmt = param->value; + break; + + case IW_AUTH_TKIP_COUNTERMEASURES: + /* When countermeasures are enabled, shut down the + * card; when disabled, re-enable the card. This must + * take effect immediately. + * + * TODO: Make sure that the EAPOL message is getting + * out before card disabled + */ + if (param->value) { + priv->tkip_cm_active = 1; + ret = hermes_enable_port(hw, 0); + } else { + priv->tkip_cm_active = 0; + ret = hermes_disable_port(hw, 0); + } + break; + + case IW_AUTH_80211_AUTH_ALG: + if (param->value & IW_AUTH_ALG_SHARED_KEY) + priv->wep_restrict = 1; + else if (param->value & IW_AUTH_ALG_OPEN_SYSTEM) + priv->wep_restrict = 0; + else + ret = -EINVAL; + break; + + case IW_AUTH_WPA_ENABLED: + if (priv->has_wpa) { + priv->wpa_enabled = param->value ? 1 : 0; + } else { + if (param->value) + ret = -EOPNOTSUPP; + /* else silently accept disable of WPA */ + priv->wpa_enabled = 0; + } + break; + + default: + ret = -EOPNOTSUPP; + } + + orinoco_unlock(priv, &flags); + return ret; +} + +static int orinoco_ioctl_get_auth(struct net_device *dev, + struct iw_request_info *info, + union iwreq_data *wrqu, char *extra) +{ + struct orinoco_private *priv = netdev_priv(dev); + struct iw_param *param = &wrqu->param; + unsigned long flags; + int ret = 0; + + if (orinoco_lock(priv, &flags) != 0) + return -EBUSY; + + switch (param->flags & IW_AUTH_INDEX) { + case IW_AUTH_KEY_MGMT: + param->value = priv->key_mgmt; + break; + + case IW_AUTH_TKIP_COUNTERMEASURES: + param->value = priv->tkip_cm_active; + break; + + case IW_AUTH_80211_AUTH_ALG: + if (priv->wep_restrict) + param->value = IW_AUTH_ALG_SHARED_KEY; + else + param->value = IW_AUTH_ALG_OPEN_SYSTEM; + break; + + case IW_AUTH_WPA_ENABLED: + param->value = priv->wpa_enabled; + break; + + default: + ret = -EOPNOTSUPP; + } + + orinoco_unlock(priv, &flags); + return ret; +} + +static int orinoco_ioctl_set_genie(struct net_device *dev, + struct iw_request_info *info, + union iwreq_data *wrqu, char *extra) +{ + struct orinoco_private *priv = netdev_priv(dev); + u8 *buf; + unsigned long flags; + + /* cut off at IEEE80211_MAX_DATA_LEN */ + if ((wrqu->data.length > IEEE80211_MAX_DATA_LEN) || + (wrqu->data.length && (extra == NULL))) + return -EINVAL; + + if (wrqu->data.length) { + buf = kmalloc(wrqu->data.length, GFP_KERNEL); + if (buf == NULL) + return -ENOMEM; + + memcpy(buf, extra, wrqu->data.length); + } else + buf = NULL; + + if (orinoco_lock(priv, &flags) != 0) { + kfree(buf); + return -EBUSY; + } + + kfree(priv->wpa_ie); + priv->wpa_ie = buf; + priv->wpa_ie_len = wrqu->data.length; + + if (priv->wpa_ie) { + /* Looks like wl_lkm wants to check the auth alg, and + * somehow pass it to the firmware. + * Instead it just calls the key mgmt rid + * - we do this in set auth. + */ + } + + orinoco_unlock(priv, &flags); + return 0; +} + +static int orinoco_ioctl_get_genie(struct net_device *dev, + struct iw_request_info *info, + union iwreq_data *wrqu, char *extra) +{ + struct orinoco_private *priv = netdev_priv(dev); + unsigned long flags; + int err = 0; + + if (orinoco_lock(priv, &flags) != 0) + return -EBUSY; + + if ((priv->wpa_ie_len == 0) || (priv->wpa_ie == NULL)) { + wrqu->data.length = 0; + goto out; + } + + if (wrqu->data.length < priv->wpa_ie_len) { + err = -E2BIG; + goto out; + } + + wrqu->data.length = priv->wpa_ie_len; + memcpy(extra, priv->wpa_ie, priv->wpa_ie_len); + +out: + orinoco_unlock(priv, &flags); + return err; +} + +static int orinoco_ioctl_set_mlme(struct net_device *dev, + struct iw_request_info *info, + union iwreq_data *wrqu, char *extra) +{ + struct orinoco_private *priv = netdev_priv(dev); + hermes_t *hw = &priv->hw; + struct iw_mlme *mlme = (struct iw_mlme *)extra; + unsigned long flags; + int ret = 0; + + if (orinoco_lock(priv, &flags) != 0) + return -EBUSY; + + switch (mlme->cmd) { + case IW_MLME_DEAUTH: + /* silently ignore */ + break; + + case IW_MLME_DISASSOC: + { + struct { + u8 addr[ETH_ALEN]; + __le16 reason_code; + } __attribute__ ((packed)) buf; + + memcpy(buf.addr, mlme->addr.sa_data, ETH_ALEN); + buf.reason_code = cpu_to_le16(mlme->reason_code); + ret = HERMES_WRITE_RECORD(hw, USER_BAP, + HERMES_RID_CNFDISASSOCIATE, + &buf); + break; + } + default: + ret = -EOPNOTSUPP; + } + + orinoco_unlock(priv, &flags); + return ret; +} + +static int orinoco_ioctl_getretry(struct net_device *dev, + struct iw_request_info *info, + struct iw_param *rrq, + char *extra) +{ + struct orinoco_private *priv = netdev_priv(dev); + hermes_t *hw = &priv->hw; + int err = 0; + u16 short_limit, long_limit, lifetime; + unsigned long flags; + + if (orinoco_lock(priv, &flags) != 0) + return -EBUSY; + + err = hermes_read_wordrec(hw, USER_BAP, HERMES_RID_SHORTRETRYLIMIT, + &short_limit); + if (err) + goto out; + + err = hermes_read_wordrec(hw, USER_BAP, HERMES_RID_LONGRETRYLIMIT, + &long_limit); + if (err) + goto out; + + err = hermes_read_wordrec(hw, USER_BAP, HERMES_RID_MAXTRANSMITLIFETIME, + &lifetime); + if (err) + goto out; + + rrq->disabled = 0; /* Can't be disabled */ + + /* Note : by default, display the retry number */ + if ((rrq->flags & IW_RETRY_TYPE) == IW_RETRY_LIFETIME) { + rrq->flags = IW_RETRY_LIFETIME; + rrq->value = lifetime * 1000; /* ??? */ + } else { + /* By default, display the min number */ + if ((rrq->flags & IW_RETRY_LONG)) { + rrq->flags = IW_RETRY_LIMIT | IW_RETRY_LONG; + rrq->value = long_limit; + } else { + rrq->flags = IW_RETRY_LIMIT; + rrq->value = short_limit; + if (short_limit != long_limit) + rrq->flags |= IW_RETRY_SHORT; + } + } + + out: + orinoco_unlock(priv, &flags); + + return err; +} + +static int orinoco_ioctl_reset(struct net_device *dev, + struct iw_request_info *info, + void *wrqu, + char *extra) +{ + struct orinoco_private *priv = netdev_priv(dev); + + if (!capable(CAP_NET_ADMIN)) + return -EPERM; + + if (info->cmd == (SIOCIWFIRSTPRIV + 0x1)) { + printk(KERN_DEBUG "%s: Forcing reset!\n", dev->name); + + /* Firmware reset */ + orinoco_reset(&priv->reset_work); + } else { + printk(KERN_DEBUG "%s: Force scheduling reset!\n", dev->name); + + schedule_work(&priv->reset_work); + } + + return 0; +} + +static int orinoco_ioctl_setibssport(struct net_device *dev, + struct iw_request_info *info, + void *wrqu, + char *extra) + +{ + struct orinoco_private *priv = netdev_priv(dev); + int val = *((int *) extra); + unsigned long flags; + + if (orinoco_lock(priv, &flags) != 0) + return -EBUSY; + + priv->ibss_port = val ; + + /* Actually update the mode we are using */ + set_port_type(priv); + + orinoco_unlock(priv, &flags); + return -EINPROGRESS; /* Call commit handler */ +} + +static int orinoco_ioctl_getibssport(struct net_device *dev, + struct iw_request_info *info, + void *wrqu, + char *extra) +{ + struct orinoco_private *priv = netdev_priv(dev); + int *val = (int *) extra; + + *val = priv->ibss_port; + return 0; +} + +static int orinoco_ioctl_setport3(struct net_device *dev, + struct iw_request_info *info, + void *wrqu, + char *extra) +{ + struct orinoco_private *priv = netdev_priv(dev); + int val = *((int *) extra); + int err = 0; + unsigned long flags; + + if (orinoco_lock(priv, &flags) != 0) + return -EBUSY; + + switch (val) { + case 0: /* Try to do IEEE ad-hoc mode */ + if (!priv->has_ibss) { + err = -EINVAL; + break; + } + priv->prefer_port3 = 0; + + break; + + case 1: /* Try to do Lucent proprietary ad-hoc mode */ + if (!priv->has_port3) { + err = -EINVAL; + break; + } + priv->prefer_port3 = 1; + break; + + default: + err = -EINVAL; + } + + if (!err) { + /* Actually update the mode we are using */ + set_port_type(priv); + err = -EINPROGRESS; + } + + orinoco_unlock(priv, &flags); + + return err; +} + +static int orinoco_ioctl_getport3(struct net_device *dev, + struct iw_request_info *info, + void *wrqu, + char *extra) +{ + struct orinoco_private *priv = netdev_priv(dev); + int *val = (int *) extra; + + *val = priv->prefer_port3; + return 0; +} + +static int orinoco_ioctl_setpreamble(struct net_device *dev, + struct iw_request_info *info, + void *wrqu, + char *extra) +{ + struct orinoco_private *priv = netdev_priv(dev); + unsigned long flags; + int val; + + if (!priv->has_preamble) + return -EOPNOTSUPP; + + /* 802.11b has recently defined some short preamble. + * Basically, the Phy header has been reduced in size. + * This increase performance, especially at high rates + * (the preamble is transmitted at 1Mb/s), unfortunately + * this give compatibility troubles... - Jean II */ + val = *((int *) extra); + + if (orinoco_lock(priv, &flags) != 0) + return -EBUSY; + + if (val) + priv->preamble = 1; + else + priv->preamble = 0; + + orinoco_unlock(priv, &flags); + + return -EINPROGRESS; /* Call commit handler */ +} + +static int orinoco_ioctl_getpreamble(struct net_device *dev, + struct iw_request_info *info, + void *wrqu, + char *extra) +{ + struct orinoco_private *priv = netdev_priv(dev); + int *val = (int *) extra; + + if (!priv->has_preamble) + return -EOPNOTSUPP; + + *val = priv->preamble; + return 0; +} + +/* ioctl interface to hermes_read_ltv() + * To use with iwpriv, pass the RID as the token argument, e.g. + * iwpriv get_rid [0xfc00] + * At least Wireless Tools 25 is required to use iwpriv. + * For Wireless Tools 25 and 26 append "dummy" are the end. */ +static int orinoco_ioctl_getrid(struct net_device *dev, + struct iw_request_info *info, + struct iw_point *data, + char *extra) +{ + struct orinoco_private *priv = netdev_priv(dev); + hermes_t *hw = &priv->hw; + int rid = data->flags; + u16 length; + int err; + unsigned long flags; + + /* It's a "get" function, but we don't want users to access the + * WEP key and other raw firmware data */ + if (!capable(CAP_NET_ADMIN)) + return -EPERM; + + if (rid < 0xfc00 || rid > 0xffff) + return -EINVAL; + + if (orinoco_lock(priv, &flags) != 0) + return -EBUSY; + + err = hermes_read_ltv(hw, USER_BAP, rid, MAX_RID_LEN, &length, + extra); + if (err) + goto out; + + data->length = min_t(u16, HERMES_RECLEN_TO_BYTES(length), + MAX_RID_LEN); + + out: + orinoco_unlock(priv, &flags); + return err; +} + +/* 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_point *srq, + char *extra) +{ + struct orinoco_private *priv = netdev_priv(dev); + hermes_t *hw = &priv->hw; + struct iw_scan_req *si = (struct iw_scan_req *) extra; + int err = 0; + unsigned long flags; + + /* Note : you may have realised that, as this is a SET operation, + * this is privileged 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 + * Before modifying anything on those variables, please think hard ! + * Jean II */ + + /* 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: { + __le16 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: + if (priv->scan_mode & IW_SCAN_THIS_ESSID) { + struct hermes_idstring idbuf; + size_t len = min(sizeof(idbuf.val), + (size_t) si->essid_len); + idbuf.len = cpu_to_le16(len); + memcpy(idbuf.val, si->essid, len); + + err = hermes_write_ltv(hw, USER_BAP, + HERMES_RID_CNFSCANSSID_AGERE, + HERMES_BYTES_TO_RECLEN(len + 2), + &idbuf); + } else + err = hermes_write_wordrec(hw, USER_BAP, + HERMES_RID_CNFSCANSSID_AGERE, + 0); /* Any ESSID */ + if (err) + break; + + if (priv->has_ext_scan) { + /* Clear scan results at the start of + * an extended scan */ + orinoco_clear_scan_results(priv, + msecs_to_jiffies(15000)); + + /* TODO: Is this available on older firmware? + * Can we use it to scan specific channels + * for IW_SCAN_THIS_FREQ? */ + err = hermes_write_wordrec(hw, USER_BAP, + HERMES_RID_CNFSCANCHANNELS2GHZ, + 0x7FFF); + if (err) + goto out; + + err = hermes_inquire(hw, + HERMES_INQ_CHANNELINFO); + } else + 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; +} + +#define MAX_CUSTOM_LEN 64 + +/* Translate scan data returned from the card to a card independant + * format that the Wireless Tools will understand - Jean II */ +static inline char *orinoco_translate_scan(struct net_device *dev, + struct iw_request_info *info, + char *current_ev, + char *end_buf, + union hermes_scan_info *bss, + unsigned long last_scanned) +{ + struct orinoco_private *priv = netdev_priv(dev); + u16 capabilities; + u16 channel; + struct iw_event iwe; /* Temporary buffer */ + char custom[MAX_CUSTOM_LEN]; + + memset(&iwe, 0, sizeof(iwe)); + + /* 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, bss->a.bssid, ETH_ALEN); + current_ev = iwe_stream_add_event(info, 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(bss->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(info, current_ev, end_buf, + &iwe, bss->a.essid); + + /* Add mode */ + iwe.cmd = SIOCGIWMODE; + capabilities = le16_to_cpu(bss->a.capabilities); + if (capabilities & (WLAN_CAPABILITY_ESS | WLAN_CAPABILITY_IBSS)) { + if (capabilities & WLAN_CAPABILITY_ESS) + iwe.u.mode = IW_MODE_MASTER; + else + iwe.u.mode = IW_MODE_ADHOC; + current_ev = iwe_stream_add_event(info, current_ev, end_buf, + &iwe, IW_EV_UINT_LEN); + } + + channel = bss->s.channel; + if ((channel >= 1) && (channel <= NUM_CHANNELS)) { + /* Add channel and frequency */ + iwe.cmd = SIOCGIWFREQ; + iwe.u.freq.m = channel; + iwe.u.freq.e = 0; + current_ev = iwe_stream_add_event(info, current_ev, end_buf, + &iwe, IW_EV_FREQ_LEN); + + iwe.u.freq.m = ieee80211_dsss_chan_to_freq(channel) * 100000; + iwe.u.freq.e = 1; + current_ev = iwe_stream_add_event(info, current_ev, end_buf, + &iwe, IW_EV_FREQ_LEN); + } + + /* Add quality statistics. level and noise in dB. No link quality */ + iwe.cmd = IWEVQUAL; + iwe.u.qual.updated = IW_QUAL_DBM | IW_QUAL_QUAL_INVALID; + iwe.u.qual.level = (__u8) le16_to_cpu(bss->a.level) - 0x95; + iwe.u.qual.noise = (__u8) le16_to_cpu(bss->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(info, current_ev, end_buf, + &iwe, IW_EV_QUAL_LEN); + + /* Add encryption capability */ + iwe.cmd = SIOCGIWENCODE; + if (capabilities & WLAN_CAPABILITY_PRIVACY) + 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(info, current_ev, end_buf, + &iwe, NULL); + + /* Bit rate is not available in Lucent/Agere firmwares */ + if (priv->firmware_type != FIRMWARE_TYPE_AGERE) { + char *current_val = current_ev + iwe_stream_lcp_len(info); + 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 (bss->p.rates[i] == 0x0) + break; + /* Bit rate given in 500 kb/s units (+ 0x80) */ + iwe.u.bitrate.value = + ((bss->p.rates[i] & 0x7f) * 500000); + current_val = iwe_stream_add_value(info, current_ev, + current_val, + end_buf, &iwe, + IW_EV_PARAM_LEN); + } + /* Check if we added any event */ + if ((current_val - current_ev) > iwe_stream_lcp_len(info)) + current_ev = current_val; + } + + /* Beacon interval */ + iwe.cmd = IWEVCUSTOM; + iwe.u.data.length = snprintf(custom, MAX_CUSTOM_LEN, + "bcn_int=%d", + le16_to_cpu(bss->a.beacon_interv)); + if (iwe.u.data.length) + current_ev = iwe_stream_add_point(info, current_ev, end_buf, + &iwe, custom); + + /* Capabilites */ + iwe.cmd = IWEVCUSTOM; + iwe.u.data.length = snprintf(custom, MAX_CUSTOM_LEN, + "capab=0x%04x", + capabilities); + if (iwe.u.data.length) + current_ev = iwe_stream_add_point(info, current_ev, end_buf, + &iwe, custom); + + /* Add EXTRA: Age to display seconds since last beacon/probe response + * for given network. */ + iwe.cmd = IWEVCUSTOM; + iwe.u.data.length = snprintf(custom, MAX_CUSTOM_LEN, + " Last beacon: %dms ago", + jiffies_to_msecs(jiffies - last_scanned)); + if (iwe.u.data.length) + current_ev = iwe_stream_add_point(info, current_ev, end_buf, + &iwe, custom); + + return current_ev; +} + +static inline char *orinoco_translate_ext_scan(struct net_device *dev, + struct iw_request_info *info, + char *current_ev, + char *end_buf, + struct agere_ext_scan_info *bss, + unsigned long last_scanned) +{ + u16 capabilities; + u16 channel; + struct iw_event iwe; /* Temporary buffer */ + char custom[MAX_CUSTOM_LEN]; + u8 *ie; + + memset(&iwe, 0, sizeof(iwe)); + + /* 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, bss->bssid, ETH_ALEN); + current_ev = iwe_stream_add_event(info, current_ev, end_buf, + &iwe, IW_EV_ADDR_LEN); + + /* Other entries will be displayed in the order we give them */ + + /* Add the ESSID */ + ie = bss->data; + iwe.u.data.length = ie[1]; + if (iwe.u.data.length) { + 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(info, current_ev, end_buf, + &iwe, &ie[2]); + } + + /* Add mode */ + capabilities = le16_to_cpu(bss->capabilities); + if (capabilities & (WLAN_CAPABILITY_ESS | WLAN_CAPABILITY_IBSS)) { + iwe.cmd = SIOCGIWMODE; + if (capabilities & WLAN_CAPABILITY_ESS) + iwe.u.mode = IW_MODE_MASTER; + else + iwe.u.mode = IW_MODE_ADHOC; + current_ev = iwe_stream_add_event(info, current_ev, end_buf, + &iwe, IW_EV_UINT_LEN); + } + + ie = orinoco_get_ie(bss->data, sizeof(bss->data), WLAN_EID_DS_PARAMS); + channel = ie ? ie[2] : 0; + if ((channel >= 1) && (channel <= NUM_CHANNELS)) { + /* Add channel and frequency */ + iwe.cmd = SIOCGIWFREQ; + iwe.u.freq.m = channel; + iwe.u.freq.e = 0; + current_ev = iwe_stream_add_event(info, current_ev, end_buf, + &iwe, IW_EV_FREQ_LEN); + + iwe.u.freq.m = ieee80211_dsss_chan_to_freq(channel) * 100000; + iwe.u.freq.e = 1; + current_ev = iwe_stream_add_event(info, current_ev, end_buf, + &iwe, IW_EV_FREQ_LEN); + } + + /* Add quality statistics. level and noise in dB. No link quality */ + iwe.cmd = IWEVQUAL; + iwe.u.qual.updated = IW_QUAL_DBM | IW_QUAL_QUAL_INVALID; + iwe.u.qual.level = bss->level - 0x95; + iwe.u.qual.noise = bss->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(info, current_ev, end_buf, + &iwe, IW_EV_QUAL_LEN); + + /* Add encryption capability */ + iwe.cmd = SIOCGIWENCODE; + if (capabilities & WLAN_CAPABILITY_PRIVACY) + 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(info, current_ev, end_buf, + &iwe, NULL); + + /* WPA IE */ + ie = orinoco_get_wpa_ie(bss->data, sizeof(bss->data)); + if (ie) { + iwe.cmd = IWEVGENIE; + iwe.u.data.length = ie[1] + 2; + current_ev = iwe_stream_add_point(info, current_ev, end_buf, + &iwe, ie); + } + + /* RSN IE */ + ie = orinoco_get_ie(bss->data, sizeof(bss->data), WLAN_EID_RSN); + if (ie) { + iwe.cmd = IWEVGENIE; + iwe.u.data.length = ie[1] + 2; + current_ev = iwe_stream_add_point(info, current_ev, end_buf, + &iwe, ie); + } + + ie = orinoco_get_ie(bss->data, sizeof(bss->data), WLAN_EID_SUPP_RATES); + if (ie) { + char *p = current_ev + iwe_stream_lcp_len(info); + int i; + + iwe.cmd = SIOCGIWRATE; + /* Those two flags are ignored... */ + iwe.u.bitrate.fixed = iwe.u.bitrate.disabled = 0; + + for (i = 2; i < (ie[1] + 2); i++) { + iwe.u.bitrate.value = ((ie[i] & 0x7F) * 500000); + p = iwe_stream_add_value(info, current_ev, p, end_buf, + &iwe, IW_EV_PARAM_LEN); + } + /* Check if we added any event */ + if (p > (current_ev + iwe_stream_lcp_len(info))) + current_ev = p; + } + + /* Timestamp */ + iwe.cmd = IWEVCUSTOM; + iwe.u.data.length = + snprintf(custom, MAX_CUSTOM_LEN, "tsf=%016llx", + (unsigned long long) le64_to_cpu(bss->timestamp)); + if (iwe.u.data.length) + current_ev = iwe_stream_add_point(info, current_ev, end_buf, + &iwe, custom); + + /* Beacon interval */ + iwe.cmd = IWEVCUSTOM; + iwe.u.data.length = snprintf(custom, MAX_CUSTOM_LEN, + "bcn_int=%d", + le16_to_cpu(bss->beacon_interval)); + if (iwe.u.data.length) + current_ev = iwe_stream_add_point(info, current_ev, end_buf, + &iwe, custom); + + /* Capabilites */ + iwe.cmd = IWEVCUSTOM; + iwe.u.data.length = snprintf(custom, MAX_CUSTOM_LEN, + "capab=0x%04x", + capabilities); + if (iwe.u.data.length) + current_ev = iwe_stream_add_point(info, current_ev, end_buf, + &iwe, custom); + + /* Add EXTRA: Age to display seconds since last beacon/probe response + * for given network. */ + iwe.cmd = IWEVCUSTOM; + iwe.u.data.length = snprintf(custom, MAX_CUSTOM_LEN, + " Last beacon: %dms ago", + jiffies_to_msecs(jiffies - last_scanned)); + if (iwe.u.data.length) + current_ev = iwe_stream_add_point(info, current_ev, end_buf, + &iwe, custom); + + return current_ev; +} + +/* 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; + char *current_ev = extra; + + if (orinoco_lock(priv, &flags) != 0) + return -EBUSY; + + 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; + goto out; + } + + if (priv->has_ext_scan) { + struct xbss_element *bss; + + list_for_each_entry(bss, &priv->bss_list, list) { + /* Translate this entry to WE format */ + current_ev = + orinoco_translate_ext_scan(dev, info, + current_ev, + extra + srq->length, + &bss->bss, + bss->last_scanned); + + /* Check if there is space for one more entry */ + if ((extra + srq->length - current_ev) + <= IW_EV_ADDR_LEN) { + /* Ask user space to try again with a + * bigger buffer */ + err = -E2BIG; + goto out; + } + } + + } else { + struct bss_element *bss; + + list_for_each_entry(bss, &priv->bss_list, list) { + /* Translate this entry to WE format */ + current_ev = orinoco_translate_scan(dev, info, + current_ev, + extra + srq->length, + &bss->bss, + bss->last_scanned); + + /* Check if there is space for one more entry */ + if ((extra + srq->length - current_ev) + <= IW_EV_ADDR_LEN) { + /* Ask user space to try again with a + * bigger buffer */ + err = -E2BIG; + goto out; + } + } + } + + srq->length = (current_ev - extra); + srq->flags = (__u16) priv->scan_mode; + +out: + 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, + void *wrqu, + char *extra) +{ + struct orinoco_private *priv = netdev_priv(dev); + struct hermes *hw = &priv->hw; + unsigned long flags; + int err = 0; + + if (!priv->open) + return 0; + + if (priv->broken_disableport) { + orinoco_reset(&priv->reset_work); + return 0; + } + + if (orinoco_lock(priv, &flags) != 0) + return err; + + err = hermes_disable_port(hw, 0); + if (err) { + printk(KERN_WARNING "%s: Unable to disable port " + "while reconfiguring card\n", dev->name); + priv->broken_disableport = 1; + goto out; + } + + err = __orinoco_program_rids(dev); + if (err) { + printk(KERN_WARNING "%s: Unable to reconfigure card\n", + dev->name); + goto out; + } + + err = hermes_enable_port(hw, 0); + if (err) { + printk(KERN_WARNING "%s: Unable to enable port while reconfiguring card\n", + dev->name); + goto out; + } + + out: + if (err) { + printk(KERN_WARNING "%s: Resetting instead...\n", dev->name); + schedule_work(&priv->reset_work); + err = 0; + } + + orinoco_unlock(priv, &flags); + return err; +} + +static const struct iw_priv_args orinoco_privtab[] = { + { SIOCIWFIRSTPRIV + 0x0, 0, 0, "force_reset" }, + { SIOCIWFIRSTPRIV + 0x1, 0, 0, "card_reset" }, + { SIOCIWFIRSTPRIV + 0x2, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, + 0, "set_port3" }, + { SIOCIWFIRSTPRIV + 0x3, 0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, + "get_port3" }, + { SIOCIWFIRSTPRIV + 0x4, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, + 0, "set_preamble" }, + { SIOCIWFIRSTPRIV + 0x5, 0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, + "get_preamble" }, + { SIOCIWFIRSTPRIV + 0x6, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, + 0, "set_ibssport" }, + { SIOCIWFIRSTPRIV + 0x7, 0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, + "get_ibssport" }, + { SIOCIWFIRSTPRIV + 0x9, 0, IW_PRIV_TYPE_BYTE | MAX_RID_LEN, + "get_rid" }, +}; + + +/* + * Structures to export the Wireless Handlers + */ + +#define STD_IW_HANDLER(id, func) \ + [IW_IOCTL_IDX(id)] = (iw_handler) func +static const iw_handler orinoco_handler[] = { + STD_IW_HANDLER(SIOCSIWCOMMIT, orinoco_ioctl_commit), + STD_IW_HANDLER(SIOCGIWNAME, orinoco_ioctl_getname), + STD_IW_HANDLER(SIOCSIWFREQ, orinoco_ioctl_setfreq), + STD_IW_HANDLER(SIOCGIWFREQ, orinoco_ioctl_getfreq), + STD_IW_HANDLER(SIOCSIWMODE, orinoco_ioctl_setmode), + STD_IW_HANDLER(SIOCGIWMODE, orinoco_ioctl_getmode), + STD_IW_HANDLER(SIOCSIWSENS, orinoco_ioctl_setsens), + STD_IW_HANDLER(SIOCGIWSENS, orinoco_ioctl_getsens), + STD_IW_HANDLER(SIOCGIWRANGE, orinoco_ioctl_getiwrange), + STD_IW_HANDLER(SIOCSIWSPY, iw_handler_set_spy), + STD_IW_HANDLER(SIOCGIWSPY, iw_handler_get_spy), + STD_IW_HANDLER(SIOCSIWTHRSPY, iw_handler_set_thrspy), + STD_IW_HANDLER(SIOCGIWTHRSPY, iw_handler_get_thrspy), + STD_IW_HANDLER(SIOCSIWAP, orinoco_ioctl_setwap), + STD_IW_HANDLER(SIOCGIWAP, orinoco_ioctl_getwap), + STD_IW_HANDLER(SIOCSIWSCAN, orinoco_ioctl_setscan), + STD_IW_HANDLER(SIOCGIWSCAN, orinoco_ioctl_getscan), + STD_IW_HANDLER(SIOCSIWESSID, orinoco_ioctl_setessid), + STD_IW_HANDLER(SIOCGIWESSID, orinoco_ioctl_getessid), + STD_IW_HANDLER(SIOCSIWNICKN, orinoco_ioctl_setnick), + STD_IW_HANDLER(SIOCGIWNICKN, orinoco_ioctl_getnick), + STD_IW_HANDLER(SIOCSIWRATE, orinoco_ioctl_setrate), + STD_IW_HANDLER(SIOCGIWRATE, orinoco_ioctl_getrate), + STD_IW_HANDLER(SIOCSIWRTS, orinoco_ioctl_setrts), + STD_IW_HANDLER(SIOCGIWRTS, orinoco_ioctl_getrts), + STD_IW_HANDLER(SIOCSIWFRAG, orinoco_ioctl_setfrag), + STD_IW_HANDLER(SIOCGIWFRAG, orinoco_ioctl_getfrag), + STD_IW_HANDLER(SIOCGIWRETRY, orinoco_ioctl_getretry), + STD_IW_HANDLER(SIOCSIWENCODE, orinoco_ioctl_setiwencode), + STD_IW_HANDLER(SIOCGIWENCODE, orinoco_ioctl_getiwencode), + STD_IW_HANDLER(SIOCSIWPOWER, orinoco_ioctl_setpower), + STD_IW_HANDLER(SIOCGIWPOWER, orinoco_ioctl_getpower), + STD_IW_HANDLER(SIOCSIWGENIE, orinoco_ioctl_set_genie), + STD_IW_HANDLER(SIOCGIWGENIE, orinoco_ioctl_get_genie), + STD_IW_HANDLER(SIOCSIWMLME, orinoco_ioctl_set_mlme), + STD_IW_HANDLER(SIOCSIWAUTH, orinoco_ioctl_set_auth), + STD_IW_HANDLER(SIOCGIWAUTH, orinoco_ioctl_get_auth), + STD_IW_HANDLER(SIOCSIWENCODEEXT, orinoco_ioctl_set_encodeext), + STD_IW_HANDLER(SIOCGIWENCODEEXT, orinoco_ioctl_get_encodeext), +}; + + +/* + Added typecasting since we no longer use iwreq_data -- Moustafa + */ +static const iw_handler orinoco_private_handler[] = { + [0] = (iw_handler) orinoco_ioctl_reset, + [1] = (iw_handler) orinoco_ioctl_reset, + [2] = (iw_handler) orinoco_ioctl_setport3, + [3] = (iw_handler) orinoco_ioctl_getport3, + [4] = (iw_handler) orinoco_ioctl_setpreamble, + [5] = (iw_handler) orinoco_ioctl_getpreamble, + [6] = (iw_handler) orinoco_ioctl_setibssport, + [7] = (iw_handler) orinoco_ioctl_getibssport, + [9] = (iw_handler) orinoco_ioctl_getrid, +}; + +const struct iw_handler_def orinoco_handler_def = { + .num_standard = ARRAY_SIZE(orinoco_handler), + .num_private = ARRAY_SIZE(orinoco_private_handler), + .num_private_args = ARRAY_SIZE(orinoco_privtab), + .standard = orinoco_handler, + .private = orinoco_private_handler, + .private_args = orinoco_privtab, + .get_wireless_stats = orinoco_get_wireless_stats, +}; |
