--- /dev/null
+/* 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_channel_to_frequency(i + 1,
+ IEEE80211_BAND_2GHZ);
+ 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) {
+ wiphy_warn(wiphy,
+ "Monitor mode support is buggy in this firmware, not enabling\n");
+ 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 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);
+ /* On error the we aren't processing the request */
+ if (err)
+ priv->scan_request = NULL;
+
+ return err;
+}
+
+static int orinoco_set_monitor_channel(struct wiphy *wiphy,
+ struct cfg80211_chan_def *chandef)
+{
+ struct orinoco_private *priv = wiphy_priv(wiphy);
+ int err = 0;
+ unsigned long flags;
+ int channel;
+
+ if (!chandef->chan)
+ return -EINVAL;
+
+ if (cfg80211_get_chandef_type(chandef) != NL80211_CHAN_NO_HT)
+ return -EINVAL;
+
+ if (chandef->chan->band != IEEE80211_BAND_2GHZ)
+ return -EINVAL;
+
+ channel = ieee80211_frequency_to_channel(chandef->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 */
+ struct hermes *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_monitor_channel = orinoco_set_monitor_channel,
+ .scan = orinoco_scan,
+ .set_wiphy_params = orinoco_set_wiphy_params,
+};
Code Review / kvmfornfv.git / blobdiff