mirror of https://gitee.com/openkylin/linux.git
204 lines
4.5 KiB
C
204 lines
4.5 KiB
C
/* cfg80211 support
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*
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* See copyright notice in main.c
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*/
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#include <linux/ieee80211.h>
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#include <net/cfg80211.h>
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#include "hw.h"
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#include "main.h"
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#include "orinoco.h"
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#include "cfg.h"
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/* Supported bitrates. Must agree with hw.c */
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static struct ieee80211_rate orinoco_rates[] = {
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{ .bitrate = 10 },
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{ .bitrate = 20 },
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{ .bitrate = 55 },
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{ .bitrate = 110 },
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};
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static const void * const orinoco_wiphy_privid = &orinoco_wiphy_privid;
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/* Called after orinoco_private is allocated. */
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void orinoco_wiphy_init(struct wiphy *wiphy)
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{
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struct orinoco_private *priv = wiphy_priv(wiphy);
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wiphy->privid = orinoco_wiphy_privid;
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set_wiphy_dev(wiphy, priv->dev);
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}
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/* Called after firmware is initialised */
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int orinoco_wiphy_register(struct wiphy *wiphy)
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{
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struct orinoco_private *priv = wiphy_priv(wiphy);
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int i, channels = 0;
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if (priv->firmware_type == FIRMWARE_TYPE_AGERE)
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wiphy->max_scan_ssids = 1;
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else
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wiphy->max_scan_ssids = 0;
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wiphy->interface_modes = BIT(NL80211_IFTYPE_STATION);
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/* TODO: should we set if we only have demo ad-hoc?
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* (priv->has_port3)
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*/
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if (priv->has_ibss)
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wiphy->interface_modes |= BIT(NL80211_IFTYPE_ADHOC);
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if (!priv->broken_monitor || force_monitor)
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wiphy->interface_modes |= BIT(NL80211_IFTYPE_MONITOR);
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priv->band.bitrates = orinoco_rates;
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priv->band.n_bitrates = ARRAY_SIZE(orinoco_rates);
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/* Only support channels allowed by the card EEPROM */
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for (i = 0; i < NUM_CHANNELS; i++) {
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if (priv->channel_mask & (1 << i)) {
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priv->channels[i].center_freq =
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ieee80211_dsss_chan_to_freq(i+1);
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channels++;
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}
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}
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priv->band.channels = priv->channels;
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priv->band.n_channels = channels;
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wiphy->bands[IEEE80211_BAND_2GHZ] = &priv->band;
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wiphy->signal_type = CFG80211_SIGNAL_TYPE_MBM;
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i = 0;
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if (priv->has_wep) {
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priv->cipher_suites[i] = WLAN_CIPHER_SUITE_WEP40;
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i++;
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if (priv->has_big_wep) {
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priv->cipher_suites[i] = WLAN_CIPHER_SUITE_WEP104;
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i++;
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}
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}
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if (priv->has_wpa) {
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priv->cipher_suites[i] = WLAN_CIPHER_SUITE_TKIP;
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i++;
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}
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wiphy->cipher_suites = priv->cipher_suites;
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wiphy->n_cipher_suites = i;
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wiphy->rts_threshold = priv->rts_thresh;
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if (!priv->has_mwo)
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wiphy->frag_threshold = priv->frag_thresh;
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return wiphy_register(wiphy);
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}
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static int orinoco_change_vif(struct wiphy *wiphy, struct net_device *dev,
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enum nl80211_iftype type, u32 *flags,
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struct vif_params *params)
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{
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struct orinoco_private *priv = wiphy_priv(wiphy);
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int err = 0;
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unsigned long lock;
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if (orinoco_lock(priv, &lock) != 0)
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return -EBUSY;
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switch (type) {
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case NL80211_IFTYPE_ADHOC:
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if (!priv->has_ibss && !priv->has_port3)
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err = -EINVAL;
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break;
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case NL80211_IFTYPE_STATION:
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break;
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case NL80211_IFTYPE_MONITOR:
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if (priv->broken_monitor && !force_monitor) {
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printk(KERN_WARNING "%s: Monitor mode support is "
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"buggy in this firmware, not enabling\n",
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wiphy_name(wiphy));
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err = -EINVAL;
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}
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break;
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default:
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err = -EINVAL;
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}
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if (!err) {
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priv->iw_mode = type;
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set_port_type(priv);
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err = orinoco_commit(priv);
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}
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orinoco_unlock(priv, &lock);
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return err;
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}
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static int orinoco_scan(struct wiphy *wiphy, struct net_device *dev,
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struct cfg80211_scan_request *request)
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{
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struct orinoco_private *priv = wiphy_priv(wiphy);
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int err;
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if (!request)
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return -EINVAL;
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if (priv->scan_request && priv->scan_request != request)
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return -EBUSY;
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priv->scan_request = request;
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err = orinoco_hw_trigger_scan(priv, request->ssids);
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return err;
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}
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static int orinoco_set_channel(struct wiphy *wiphy,
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struct ieee80211_channel *chan,
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enum nl80211_channel_type channel_type)
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{
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struct orinoco_private *priv = wiphy_priv(wiphy);
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int err = 0;
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unsigned long flags;
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int channel;
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if (!chan)
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return -EINVAL;
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if (channel_type != NL80211_CHAN_NO_HT)
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return -EINVAL;
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if (chan->band != IEEE80211_BAND_2GHZ)
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return -EINVAL;
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channel = ieee80211_freq_to_dsss_chan(chan->center_freq);
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if ((channel < 1) || (channel > NUM_CHANNELS) ||
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!(priv->channel_mask & (1 << (channel-1))))
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return -EINVAL;
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if (orinoco_lock(priv, &flags) != 0)
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return -EBUSY;
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priv->channel = channel;
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if (priv->iw_mode == NL80211_IFTYPE_MONITOR) {
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/* Fast channel change - no commit if successful */
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hermes_t *hw = &priv->hw;
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err = hermes_docmd_wait(hw, HERMES_CMD_TEST |
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HERMES_TEST_SET_CHANNEL,
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channel, NULL);
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}
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orinoco_unlock(priv, &flags);
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return err;
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}
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const struct cfg80211_ops orinoco_cfg_ops = {
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.change_virtual_intf = orinoco_change_vif,
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.set_channel = orinoco_set_channel,
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.scan = orinoco_scan,
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};
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