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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 | /* 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, NL80211_BAND_2GHZ); channels++; } } priv->band.channels = priv->channels; priv->band.n_channels = channels; wiphy->bands[NL80211_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, 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 != NL80211_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 == -1) 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 == -1) 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 == -1) 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, }; |