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/* cfg80211 support
*
* See copyright notice in main.c
*/
#include <linux/ieee80211.h>
#include <net/cfg80211.h>
#include "hw.h"
#include "main.h"
#include "orinoco.h"
#include "cfg.h"
/* Supported bitrates. Must agree with hw.c */
static struct ieee80211_rate orinoco_rates[] = {
{ .bitrate = 10 },
{ .bitrate = 20 },
{ .bitrate = 55 },
{ .bitrate = 110 },
};
static const void * const orinoco_wiphy_privid = &orinoco_wiphy_privid;
/* Called after orinoco_private is allocated. */
void orinoco_wiphy_init(struct wiphy *wiphy)
{
struct orinoco_private *priv = wiphy_priv(wiphy);
wiphy->privid = orinoco_wiphy_privid;
set_wiphy_dev(wiphy, priv->dev);
}
/* Called after firmware is initialised */
int orinoco_wiphy_register(struct wiphy *wiphy)
{
struct orinoco_private *priv = wiphy_priv(wiphy);
int i, channels = 0;
if (priv->firmware_type == FIRMWARE_TYPE_AGERE)
wiphy->max_scan_ssids = 1;
else
wiphy->max_scan_ssids = 0;
wiphy->interface_modes = BIT(NL80211_IFTYPE_STATION);
/* TODO: should we set if we only have demo ad-hoc?
* (priv->has_port3)
*/
if (priv->has_ibss)
wiphy->interface_modes |= BIT(NL80211_IFTYPE_ADHOC);
if (!priv->broken_monitor || force_monitor)
wiphy->interface_modes |= BIT(NL80211_IFTYPE_MONITOR);
priv->band.bitrates = orinoco_rates;
priv->band.n_bitrates = ARRAY_SIZE(orinoco_rates);
/* Only support channels allowed by the card EEPROM */
for (i = 0; i < NUM_CHANNELS; i++) {
if (priv->channel_mask & (1 << i)) {
priv->channels[i].center_freq =
ieee80211_dsss_chan_to_freq(i+1);
channels++;
}
}
priv->band.channels = priv->channels;
priv->band.n_channels = channels;
wiphy->bands[IEEE80211_BAND_2GHZ] = &priv->band;
wiphy->signal_type = CFG80211_SIGNAL_TYPE_MBM;
i = 0;
if (priv->has_wep) {
priv->cipher_suites[i] = WLAN_CIPHER_SUITE_WEP40;
i++;
if (priv->has_big_wep) {
priv->cipher_suites[i] = WLAN_CIPHER_SUITE_WEP104;
i++;
}
}
if (priv->has_wpa) {
priv->cipher_suites[i] = WLAN_CIPHER_SUITE_TKIP;
i++;
}
wiphy->cipher_suites = priv->cipher_suites;
wiphy->n_cipher_suites = i;
wiphy->rts_threshold = priv->rts_thresh;
if (!priv->has_mwo)
wiphy->frag_threshold = priv->frag_thresh + 1;
wiphy->retry_short = priv->short_retry_limit;
wiphy->retry_long = priv->long_retry_limit;
return wiphy_register(wiphy);
}
static int orinoco_change_vif(struct wiphy *wiphy, struct net_device *dev,
enum nl80211_iftype type, u32 *flags,
struct vif_params *params)
{
struct orinoco_private *priv = wiphy_priv(wiphy);
int err = 0;
unsigned long lock;
if (orinoco_lock(priv, &lock) != 0)
return -EBUSY;
switch (type) {
case NL80211_IFTYPE_ADHOC:
if (!priv->has_ibss && !priv->has_port3)
err = -EINVAL;
break;
case NL80211_IFTYPE_STATION:
break;
case NL80211_IFTYPE_MONITOR:
if (priv->broken_monitor && !force_monitor) {
printk(KERN_WARNING "%s: Monitor mode support is "
"buggy in this firmware, not enabling\n",
wiphy_name(wiphy));
err = -EINVAL;
}
break;
default:
err = -EINVAL;
}
if (!err) {
priv->iw_mode = type;
set_port_type(priv);
err = orinoco_commit(priv);
}
orinoco_unlock(priv, &lock);
return err;
}
static int orinoco_scan(struct wiphy *wiphy, struct net_device *dev,
struct cfg80211_scan_request *request)
{
struct orinoco_private *priv = wiphy_priv(wiphy);
int err;
if (!request)
return -EINVAL;
if (priv->scan_request && priv->scan_request != request)
return -EBUSY;
priv->scan_request = request;
err = orinoco_hw_trigger_scan(priv, request->ssids);
return err;
}
static int orinoco_set_channel(struct wiphy *wiphy,
struct net_device *netdev,
struct ieee80211_channel *chan,
enum nl80211_channel_type channel_type)
{
struct orinoco_private *priv = wiphy_priv(wiphy);
int err = 0;
unsigned long flags;
int channel;
if (!chan)
return -EINVAL;
if (channel_type != NL80211_CHAN_NO_HT)
return -EINVAL;
if (chan->band != IEEE80211_BAND_2GHZ)
return -EINVAL;
channel = ieee80211_freq_to_dsss_chan(chan->center_freq);
if ((channel < 1) || (channel > NUM_CHANNELS) ||
!(priv->channel_mask & (1 << (channel-1))))
return -EINVAL;
if (orinoco_lock(priv, &flags) != 0)
return -EBUSY;
priv->channel = channel;
if (priv->iw_mode == NL80211_IFTYPE_MONITOR) {
/* Fast channel change - no commit if successful */
hermes_t *hw = &priv->hw;
err = hw->ops->cmd_wait(hw, HERMES_CMD_TEST |
HERMES_TEST_SET_CHANNEL,
channel, NULL);
}
orinoco_unlock(priv, &flags);
return err;
}
static int orinoco_set_wiphy_params(struct wiphy *wiphy, u32 changed)
{
struct orinoco_private *priv = wiphy_priv(wiphy);
int frag_value = -1;
int rts_value = -1;
int err = 0;
if (changed & WIPHY_PARAM_RETRY_SHORT) {
/* Setting short retry not supported */
err = -EINVAL;
}
if (changed & WIPHY_PARAM_RETRY_LONG) {
/* Setting long retry not supported */
err = -EINVAL;
}
if (changed & WIPHY_PARAM_FRAG_THRESHOLD) {
/* Set fragmentation */
if (priv->has_mwo) {
if (wiphy->frag_threshold < 0)
frag_value = 0;
else {
printk(KERN_WARNING "%s: Fixed fragmentation "
"is not supported on this firmware. "
"Using MWO robust instead.\n",
priv->ndev->name);
frag_value = 1;
}
} else {
if (wiphy->frag_threshold < 0)
frag_value = 2346;
else if ((wiphy->frag_threshold < 257) ||
(wiphy->frag_threshold > 2347))
err = -EINVAL;
else
/* cfg80211 value is 257-2347 (odd only)
* orinoco rid has range 256-2346 (even only) */
frag_value = wiphy->frag_threshold & ~0x1;
}
}
if (changed & WIPHY_PARAM_RTS_THRESHOLD) {
/* Set RTS.
*
* Prism documentation suggests default of 2432,
* and a range of 0-3000.
*
* Current implementation uses 2347 as the default and
* the upper limit.
*/
if (wiphy->rts_threshold < 0)
rts_value = 2347;
else if (wiphy->rts_threshold > 2347)
err = -EINVAL;
else
rts_value = wiphy->rts_threshold;
}
if (!err) {
unsigned long flags;
if (orinoco_lock(priv, &flags) != 0)
return -EBUSY;
if (frag_value >= 0) {
if (priv->has_mwo)
priv->mwo_robust = frag_value;
else
priv->frag_thresh = frag_value;
}
if (rts_value >= 0)
priv->rts_thresh = rts_value;
err = orinoco_commit(priv);
orinoco_unlock(priv, &flags);
}
return err;
}
const struct cfg80211_ops orinoco_cfg_ops = {
.change_virtual_intf = orinoco_change_vif,
.set_channel = orinoco_set_channel,
.scan = orinoco_scan,
.set_wiphy_params = orinoco_set_wiphy_params,
};
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