Tomas Winkler | df48c32 | 2008-03-06 10:40:19 -0800 | [diff] [blame] | 1 | /****************************************************************************** |
| 2 | * |
Tomas Winkler | df48c32 | 2008-03-06 10:40:19 -0800 | [diff] [blame] | 3 | * GPL LICENSE SUMMARY |
| 4 | * |
| 5 | * Copyright(c) 2008 Intel Corporation. All rights reserved. |
| 6 | * |
| 7 | * This program is free software; you can redistribute it and/or modify |
| 8 | * it under the terms of version 2 of the GNU General Public License as |
| 9 | * published by the Free Software Foundation. |
| 10 | * |
| 11 | * This program is distributed in the hope that it will be useful, but |
| 12 | * WITHOUT ANY WARRANTY; without even the implied warranty of |
| 13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| 14 | * General Public License for more details. |
| 15 | * |
| 16 | * You should have received a copy of the GNU General Public License |
| 17 | * along with this program; if not, write to the Free Software |
| 18 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110, |
| 19 | * USA |
| 20 | * |
| 21 | * The full GNU General Public License is included in this distribution |
| 22 | * in the file called LICENSE.GPL. |
| 23 | * |
| 24 | * Contact Information: |
| 25 | * Tomas Winkler <tomas.winkler@intel.com> |
| 26 | * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497 |
| 27 | *****************************************************************************/ |
| 28 | |
| 29 | #include <linux/kernel.h> |
| 30 | #include <linux/module.h> |
| 31 | #include <linux/version.h> |
Assaf Krauss | 1d0a082 | 2008-03-14 10:38:48 -0700 | [diff] [blame] | 32 | #include <net/mac80211.h> |
Tomas Winkler | df48c32 | 2008-03-06 10:40:19 -0800 | [diff] [blame] | 33 | |
Tomas Winkler | 712b6cf | 2008-03-12 16:58:52 -0700 | [diff] [blame] | 34 | struct iwl_priv; /* FIXME: remove */ |
Tomas Winkler | 0a6857e | 2008-03-12 16:58:49 -0700 | [diff] [blame] | 35 | #include "iwl-debug.h" |
Assaf Krauss | 6bc913b | 2008-03-11 16:17:18 -0700 | [diff] [blame] | 36 | #include "iwl-eeprom.h" |
Tomas Winkler | 3e0d4cb | 2008-04-24 11:55:38 -0700 | [diff] [blame] | 37 | #include "iwl-dev.h" /* FIXME: remove */ |
Tomas Winkler | df48c32 | 2008-03-06 10:40:19 -0800 | [diff] [blame] | 38 | #include "iwl-core.h" |
Tomas Winkler | b661c81 | 2008-04-23 17:14:54 -0700 | [diff] [blame] | 39 | #include "iwl-io.h" |
Mohamed Abbas | ad97edd | 2008-03-28 16:21:06 -0700 | [diff] [blame] | 40 | #include "iwl-rfkill.h" |
Mohamed Abbas | 5da4b55 | 2008-04-21 15:41:51 -0700 | [diff] [blame] | 41 | #include "iwl-power.h" |
Tomas Winkler | df48c32 | 2008-03-06 10:40:19 -0800 | [diff] [blame] | 42 | |
Assaf Krauss | 1d0a082 | 2008-03-14 10:38:48 -0700 | [diff] [blame] | 43 | |
Tomas Winkler | df48c32 | 2008-03-06 10:40:19 -0800 | [diff] [blame] | 44 | MODULE_DESCRIPTION("iwl core"); |
| 45 | MODULE_VERSION(IWLWIFI_VERSION); |
| 46 | MODULE_AUTHOR(DRV_COPYRIGHT); |
Tomas Winkler | 712b6cf | 2008-03-12 16:58:52 -0700 | [diff] [blame] | 47 | MODULE_LICENSE("GPL"); |
Tomas Winkler | df48c32 | 2008-03-06 10:40:19 -0800 | [diff] [blame] | 48 | |
Ron Rindjunsky | c7de35c | 2008-04-23 17:15:05 -0700 | [diff] [blame] | 49 | #define IWL_DECLARE_RATE_INFO(r, s, ip, in, rp, rn, pp, np) \ |
| 50 | [IWL_RATE_##r##M_INDEX] = { IWL_RATE_##r##M_PLCP, \ |
| 51 | IWL_RATE_SISO_##s##M_PLCP, \ |
| 52 | IWL_RATE_MIMO2_##s##M_PLCP,\ |
| 53 | IWL_RATE_MIMO3_##s##M_PLCP,\ |
| 54 | IWL_RATE_##r##M_IEEE, \ |
| 55 | IWL_RATE_##ip##M_INDEX, \ |
| 56 | IWL_RATE_##in##M_INDEX, \ |
| 57 | IWL_RATE_##rp##M_INDEX, \ |
| 58 | IWL_RATE_##rn##M_INDEX, \ |
| 59 | IWL_RATE_##pp##M_INDEX, \ |
| 60 | IWL_RATE_##np##M_INDEX } |
| 61 | |
| 62 | /* |
| 63 | * Parameter order: |
| 64 | * rate, ht rate, prev rate, next rate, prev tgg rate, next tgg rate |
| 65 | * |
| 66 | * If there isn't a valid next or previous rate then INV is used which |
| 67 | * maps to IWL_RATE_INVALID |
| 68 | * |
| 69 | */ |
Tomas Winkler | 1826dcc | 2008-05-15 13:54:02 +0800 | [diff] [blame] | 70 | const struct iwl_rate_info iwl_rates[IWL_RATE_COUNT] = { |
Ron Rindjunsky | c7de35c | 2008-04-23 17:15:05 -0700 | [diff] [blame] | 71 | IWL_DECLARE_RATE_INFO(1, INV, INV, 2, INV, 2, INV, 2), /* 1mbps */ |
| 72 | IWL_DECLARE_RATE_INFO(2, INV, 1, 5, 1, 5, 1, 5), /* 2mbps */ |
| 73 | IWL_DECLARE_RATE_INFO(5, INV, 2, 6, 2, 11, 2, 11), /*5.5mbps */ |
| 74 | IWL_DECLARE_RATE_INFO(11, INV, 9, 12, 9, 12, 5, 18), /* 11mbps */ |
| 75 | IWL_DECLARE_RATE_INFO(6, 6, 5, 9, 5, 11, 5, 11), /* 6mbps */ |
| 76 | IWL_DECLARE_RATE_INFO(9, 6, 6, 11, 6, 11, 5, 11), /* 9mbps */ |
| 77 | IWL_DECLARE_RATE_INFO(12, 12, 11, 18, 11, 18, 11, 18), /* 12mbps */ |
| 78 | IWL_DECLARE_RATE_INFO(18, 18, 12, 24, 12, 24, 11, 24), /* 18mbps */ |
| 79 | IWL_DECLARE_RATE_INFO(24, 24, 18, 36, 18, 36, 18, 36), /* 24mbps */ |
| 80 | IWL_DECLARE_RATE_INFO(36, 36, 24, 48, 24, 48, 24, 48), /* 36mbps */ |
| 81 | IWL_DECLARE_RATE_INFO(48, 48, 36, 54, 36, 54, 36, 54), /* 48mbps */ |
| 82 | IWL_DECLARE_RATE_INFO(54, 54, 48, INV, 48, INV, 48, INV),/* 54mbps */ |
| 83 | IWL_DECLARE_RATE_INFO(60, 60, 48, INV, 48, INV, 48, INV),/* 60mbps */ |
| 84 | /* FIXME:RS: ^^ should be INV (legacy) */ |
| 85 | }; |
Tomas Winkler | 1826dcc | 2008-05-15 13:54:02 +0800 | [diff] [blame] | 86 | EXPORT_SYMBOL(iwl_rates); |
Ron Rindjunsky | c7de35c | 2008-04-23 17:15:05 -0700 | [diff] [blame] | 87 | |
Tomas Winkler | e7d326a | 2008-06-12 09:47:11 +0800 | [diff] [blame] | 88 | /** |
| 89 | * translate ucode response to mac80211 tx status control values |
| 90 | */ |
| 91 | void iwl_hwrate_to_tx_control(struct iwl_priv *priv, u32 rate_n_flags, |
| 92 | struct ieee80211_tx_info *control) |
| 93 | { |
| 94 | int rate_index; |
| 95 | |
| 96 | control->antenna_sel_tx = |
| 97 | ((rate_n_flags & RATE_MCS_ANT_ABC_MSK) >> RATE_MCS_ANT_POS); |
| 98 | if (rate_n_flags & RATE_MCS_HT_MSK) |
| 99 | control->flags |= IEEE80211_TX_CTL_OFDM_HT; |
| 100 | if (rate_n_flags & RATE_MCS_GF_MSK) |
| 101 | control->flags |= IEEE80211_TX_CTL_GREEN_FIELD; |
| 102 | if (rate_n_flags & RATE_MCS_FAT_MSK) |
| 103 | control->flags |= IEEE80211_TX_CTL_40_MHZ_WIDTH; |
| 104 | if (rate_n_flags & RATE_MCS_DUP_MSK) |
| 105 | control->flags |= IEEE80211_TX_CTL_DUP_DATA; |
| 106 | if (rate_n_flags & RATE_MCS_SGI_MSK) |
| 107 | control->flags |= IEEE80211_TX_CTL_SHORT_GI; |
| 108 | rate_index = iwl_hwrate_to_plcp_idx(rate_n_flags); |
| 109 | if (control->band == IEEE80211_BAND_5GHZ) |
| 110 | rate_index -= IWL_FIRST_OFDM_RATE; |
| 111 | control->tx_rate_idx = rate_index; |
| 112 | } |
| 113 | EXPORT_SYMBOL(iwl_hwrate_to_tx_control); |
| 114 | |
| 115 | int iwl_hwrate_to_plcp_idx(u32 rate_n_flags) |
| 116 | { |
| 117 | int idx = 0; |
| 118 | |
| 119 | /* HT rate format */ |
| 120 | if (rate_n_flags & RATE_MCS_HT_MSK) { |
| 121 | idx = (rate_n_flags & 0xff); |
| 122 | |
| 123 | if (idx >= IWL_RATE_MIMO2_6M_PLCP) |
| 124 | idx = idx - IWL_RATE_MIMO2_6M_PLCP; |
| 125 | |
| 126 | idx += IWL_FIRST_OFDM_RATE; |
| 127 | /* skip 9M not supported in ht*/ |
| 128 | if (idx >= IWL_RATE_9M_INDEX) |
| 129 | idx += 1; |
| 130 | if ((idx >= IWL_FIRST_OFDM_RATE) && (idx <= IWL_LAST_OFDM_RATE)) |
| 131 | return idx; |
| 132 | |
| 133 | /* legacy rate format, search for match in table */ |
| 134 | } else { |
| 135 | for (idx = 0; idx < ARRAY_SIZE(iwl_rates); idx++) |
| 136 | if (iwl_rates[idx].plcp == (rate_n_flags & 0xFF)) |
| 137 | return idx; |
| 138 | } |
| 139 | |
| 140 | return -1; |
| 141 | } |
| 142 | EXPORT_SYMBOL(iwl_hwrate_to_plcp_idx); |
| 143 | |
| 144 | |
Tomas Winkler | 57bd1be | 2008-05-15 13:54:03 +0800 | [diff] [blame] | 145 | |
| 146 | const u8 iwl_bcast_addr[ETH_ALEN] = { 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF }; |
| 147 | EXPORT_SYMBOL(iwl_bcast_addr); |
| 148 | |
| 149 | |
Assaf Krauss | 1d0a082 | 2008-03-14 10:38:48 -0700 | [diff] [blame] | 150 | /* This function both allocates and initializes hw and priv. */ |
| 151 | struct ieee80211_hw *iwl_alloc_all(struct iwl_cfg *cfg, |
| 152 | struct ieee80211_ops *hw_ops) |
| 153 | { |
| 154 | struct iwl_priv *priv; |
| 155 | |
| 156 | /* mac80211 allocates memory for this device instance, including |
| 157 | * space for this driver's private structure */ |
| 158 | struct ieee80211_hw *hw = |
| 159 | ieee80211_alloc_hw(sizeof(struct iwl_priv), hw_ops); |
| 160 | if (hw == NULL) { |
| 161 | IWL_ERROR("Can not allocate network device\n"); |
| 162 | goto out; |
| 163 | } |
| 164 | |
| 165 | priv = hw->priv; |
| 166 | priv->hw = hw; |
| 167 | |
| 168 | out: |
| 169 | return hw; |
| 170 | } |
| 171 | EXPORT_SYMBOL(iwl_alloc_all); |
| 172 | |
Tomas Winkler | b661c81 | 2008-04-23 17:14:54 -0700 | [diff] [blame] | 173 | void iwl_hw_detect(struct iwl_priv *priv) |
| 174 | { |
| 175 | priv->hw_rev = _iwl_read32(priv, CSR_HW_REV); |
| 176 | priv->hw_wa_rev = _iwl_read32(priv, CSR_HW_REV_WA_REG); |
| 177 | pci_read_config_byte(priv->pci_dev, PCI_REVISION_ID, &priv->rev_id); |
| 178 | } |
| 179 | EXPORT_SYMBOL(iwl_hw_detect); |
| 180 | |
Ron Rindjunsky | 1053d35 | 2008-05-05 10:22:43 +0800 | [diff] [blame] | 181 | /* Tell nic where to find the "keep warm" buffer */ |
| 182 | int iwl_kw_init(struct iwl_priv *priv) |
| 183 | { |
| 184 | unsigned long flags; |
| 185 | int ret; |
| 186 | |
| 187 | spin_lock_irqsave(&priv->lock, flags); |
| 188 | ret = iwl_grab_nic_access(priv); |
| 189 | if (ret) |
| 190 | goto out; |
| 191 | |
| 192 | iwl_write_direct32(priv, FH_KW_MEM_ADDR_REG, |
| 193 | priv->kw.dma_addr >> 4); |
| 194 | iwl_release_nic_access(priv); |
| 195 | out: |
| 196 | spin_unlock_irqrestore(&priv->lock, flags); |
| 197 | return ret; |
| 198 | } |
| 199 | |
| 200 | int iwl_kw_alloc(struct iwl_priv *priv) |
| 201 | { |
| 202 | struct pci_dev *dev = priv->pci_dev; |
Ron Rindjunsky | 1646690 | 2008-05-05 10:22:50 +0800 | [diff] [blame] | 203 | struct iwl_kw *kw = &priv->kw; |
Ron Rindjunsky | 1053d35 | 2008-05-05 10:22:43 +0800 | [diff] [blame] | 204 | |
Ron Rindjunsky | 1646690 | 2008-05-05 10:22:50 +0800 | [diff] [blame] | 205 | kw->size = IWL_KW_SIZE; |
Ron Rindjunsky | 1053d35 | 2008-05-05 10:22:43 +0800 | [diff] [blame] | 206 | kw->v_addr = pci_alloc_consistent(dev, kw->size, &kw->dma_addr); |
| 207 | if (!kw->v_addr) |
| 208 | return -ENOMEM; |
| 209 | |
| 210 | return 0; |
| 211 | } |
| 212 | |
| 213 | /** |
| 214 | * iwl_kw_free - Free the "keep warm" buffer |
| 215 | */ |
| 216 | void iwl_kw_free(struct iwl_priv *priv) |
| 217 | { |
| 218 | struct pci_dev *dev = priv->pci_dev; |
Ron Rindjunsky | 1646690 | 2008-05-05 10:22:50 +0800 | [diff] [blame] | 219 | struct iwl_kw *kw = &priv->kw; |
Ron Rindjunsky | 1053d35 | 2008-05-05 10:22:43 +0800 | [diff] [blame] | 220 | |
| 221 | if (kw->v_addr) { |
| 222 | pci_free_consistent(dev, kw->size, kw->v_addr, kw->dma_addr); |
| 223 | memset(kw, 0, sizeof(*kw)); |
| 224 | } |
| 225 | } |
| 226 | |
| 227 | int iwl_hw_nic_init(struct iwl_priv *priv) |
| 228 | { |
| 229 | unsigned long flags; |
| 230 | struct iwl_rx_queue *rxq = &priv->rxq; |
| 231 | int ret; |
| 232 | |
| 233 | /* nic_init */ |
Ron Rindjunsky | 1053d35 | 2008-05-05 10:22:43 +0800 | [diff] [blame] | 234 | spin_lock_irqsave(&priv->lock, flags); |
Ron Rindjunsky | 1b73af8 | 2008-05-05 10:22:51 +0800 | [diff] [blame] | 235 | priv->cfg->ops->lib->apm_ops.init(priv); |
Ron Rindjunsky | 1053d35 | 2008-05-05 10:22:43 +0800 | [diff] [blame] | 236 | iwl_write32(priv, CSR_INT_COALESCING, 512 / 32); |
| 237 | spin_unlock_irqrestore(&priv->lock, flags); |
| 238 | |
| 239 | ret = priv->cfg->ops->lib->apm_ops.set_pwr_src(priv, IWL_PWR_SRC_VMAIN); |
| 240 | |
| 241 | priv->cfg->ops->lib->apm_ops.config(priv); |
| 242 | |
| 243 | /* Allocate the RX queue, or reset if it is already allocated */ |
| 244 | if (!rxq->bd) { |
| 245 | ret = iwl_rx_queue_alloc(priv); |
| 246 | if (ret) { |
| 247 | IWL_ERROR("Unable to initialize Rx queue\n"); |
| 248 | return -ENOMEM; |
| 249 | } |
| 250 | } else |
| 251 | iwl_rx_queue_reset(priv, rxq); |
| 252 | |
| 253 | iwl_rx_replenish(priv); |
| 254 | |
| 255 | iwl_rx_init(priv, rxq); |
| 256 | |
| 257 | spin_lock_irqsave(&priv->lock, flags); |
| 258 | |
| 259 | rxq->need_update = 1; |
| 260 | iwl_rx_queue_update_write_ptr(priv, rxq); |
| 261 | |
| 262 | spin_unlock_irqrestore(&priv->lock, flags); |
| 263 | |
| 264 | /* Allocate and init all Tx and Command queues */ |
| 265 | ret = iwl_txq_ctx_reset(priv); |
| 266 | if (ret) |
| 267 | return ret; |
| 268 | |
| 269 | set_bit(STATUS_INIT, &priv->status); |
| 270 | |
| 271 | return 0; |
| 272 | } |
| 273 | EXPORT_SYMBOL(iwl_hw_nic_init); |
| 274 | |
Assaf Krauss | bf85ea4 | 2008-03-14 10:38:49 -0700 | [diff] [blame] | 275 | /** |
| 276 | * iwlcore_clear_stations_table - Clear the driver's station table |
| 277 | * |
| 278 | * NOTE: This does not clear or otherwise alter the device's station table. |
| 279 | */ |
| 280 | void iwlcore_clear_stations_table(struct iwl_priv *priv) |
| 281 | { |
| 282 | unsigned long flags; |
| 283 | |
| 284 | spin_lock_irqsave(&priv->sta_lock, flags); |
| 285 | |
| 286 | priv->num_stations = 0; |
| 287 | memset(priv->stations, 0, sizeof(priv->stations)); |
| 288 | |
| 289 | spin_unlock_irqrestore(&priv->sta_lock, flags); |
| 290 | } |
| 291 | EXPORT_SYMBOL(iwlcore_clear_stations_table); |
| 292 | |
Ron Rindjunsky | c7de35c | 2008-04-23 17:15:05 -0700 | [diff] [blame] | 293 | void iwl_reset_qos(struct iwl_priv *priv) |
Assaf Krauss | bf85ea4 | 2008-03-14 10:38:49 -0700 | [diff] [blame] | 294 | { |
| 295 | u16 cw_min = 15; |
| 296 | u16 cw_max = 1023; |
| 297 | u8 aifs = 2; |
| 298 | u8 is_legacy = 0; |
| 299 | unsigned long flags; |
| 300 | int i; |
| 301 | |
| 302 | spin_lock_irqsave(&priv->lock, flags); |
| 303 | priv->qos_data.qos_active = 0; |
| 304 | |
| 305 | if (priv->iw_mode == IEEE80211_IF_TYPE_IBSS) { |
| 306 | if (priv->qos_data.qos_enable) |
| 307 | priv->qos_data.qos_active = 1; |
| 308 | if (!(priv->active_rate & 0xfff0)) { |
| 309 | cw_min = 31; |
| 310 | is_legacy = 1; |
| 311 | } |
| 312 | } else if (priv->iw_mode == IEEE80211_IF_TYPE_AP) { |
| 313 | if (priv->qos_data.qos_enable) |
| 314 | priv->qos_data.qos_active = 1; |
| 315 | } else if (!(priv->staging_rxon.flags & RXON_FLG_SHORT_SLOT_MSK)) { |
| 316 | cw_min = 31; |
| 317 | is_legacy = 1; |
| 318 | } |
| 319 | |
| 320 | if (priv->qos_data.qos_active) |
| 321 | aifs = 3; |
| 322 | |
| 323 | priv->qos_data.def_qos_parm.ac[0].cw_min = cpu_to_le16(cw_min); |
| 324 | priv->qos_data.def_qos_parm.ac[0].cw_max = cpu_to_le16(cw_max); |
| 325 | priv->qos_data.def_qos_parm.ac[0].aifsn = aifs; |
| 326 | priv->qos_data.def_qos_parm.ac[0].edca_txop = 0; |
| 327 | priv->qos_data.def_qos_parm.ac[0].reserved1 = 0; |
| 328 | |
| 329 | if (priv->qos_data.qos_active) { |
| 330 | i = 1; |
| 331 | priv->qos_data.def_qos_parm.ac[i].cw_min = cpu_to_le16(cw_min); |
| 332 | priv->qos_data.def_qos_parm.ac[i].cw_max = cpu_to_le16(cw_max); |
| 333 | priv->qos_data.def_qos_parm.ac[i].aifsn = 7; |
| 334 | priv->qos_data.def_qos_parm.ac[i].edca_txop = 0; |
| 335 | priv->qos_data.def_qos_parm.ac[i].reserved1 = 0; |
| 336 | |
| 337 | i = 2; |
| 338 | priv->qos_data.def_qos_parm.ac[i].cw_min = |
| 339 | cpu_to_le16((cw_min + 1) / 2 - 1); |
| 340 | priv->qos_data.def_qos_parm.ac[i].cw_max = |
| 341 | cpu_to_le16(cw_max); |
| 342 | priv->qos_data.def_qos_parm.ac[i].aifsn = 2; |
| 343 | if (is_legacy) |
| 344 | priv->qos_data.def_qos_parm.ac[i].edca_txop = |
| 345 | cpu_to_le16(6016); |
| 346 | else |
| 347 | priv->qos_data.def_qos_parm.ac[i].edca_txop = |
| 348 | cpu_to_le16(3008); |
| 349 | priv->qos_data.def_qos_parm.ac[i].reserved1 = 0; |
| 350 | |
| 351 | i = 3; |
| 352 | priv->qos_data.def_qos_parm.ac[i].cw_min = |
| 353 | cpu_to_le16((cw_min + 1) / 4 - 1); |
| 354 | priv->qos_data.def_qos_parm.ac[i].cw_max = |
| 355 | cpu_to_le16((cw_max + 1) / 2 - 1); |
| 356 | priv->qos_data.def_qos_parm.ac[i].aifsn = 2; |
| 357 | priv->qos_data.def_qos_parm.ac[i].reserved1 = 0; |
| 358 | if (is_legacy) |
| 359 | priv->qos_data.def_qos_parm.ac[i].edca_txop = |
| 360 | cpu_to_le16(3264); |
| 361 | else |
| 362 | priv->qos_data.def_qos_parm.ac[i].edca_txop = |
| 363 | cpu_to_le16(1504); |
| 364 | } else { |
| 365 | for (i = 1; i < 4; i++) { |
| 366 | priv->qos_data.def_qos_parm.ac[i].cw_min = |
| 367 | cpu_to_le16(cw_min); |
| 368 | priv->qos_data.def_qos_parm.ac[i].cw_max = |
| 369 | cpu_to_le16(cw_max); |
| 370 | priv->qos_data.def_qos_parm.ac[i].aifsn = aifs; |
| 371 | priv->qos_data.def_qos_parm.ac[i].edca_txop = 0; |
| 372 | priv->qos_data.def_qos_parm.ac[i].reserved1 = 0; |
| 373 | } |
| 374 | } |
| 375 | IWL_DEBUG_QOS("set QoS to default \n"); |
| 376 | |
| 377 | spin_unlock_irqrestore(&priv->lock, flags); |
| 378 | } |
Ron Rindjunsky | c7de35c | 2008-04-23 17:15:05 -0700 | [diff] [blame] | 379 | EXPORT_SYMBOL(iwl_reset_qos); |
| 380 | |
Ron Rindjunsky | 39130df | 2008-05-15 13:53:56 +0800 | [diff] [blame] | 381 | #define MAX_BIT_RATE_40_MHZ 0x96; /* 150 Mbps */ |
| 382 | #define MAX_BIT_RATE_20_MHZ 0x48; /* 72 Mbps */ |
Ron Rindjunsky | c7de35c | 2008-04-23 17:15:05 -0700 | [diff] [blame] | 383 | static void iwlcore_init_ht_hw_capab(const struct iwl_priv *priv, |
| 384 | struct ieee80211_ht_info *ht_info, |
| 385 | enum ieee80211_band band) |
| 386 | { |
Ron Rindjunsky | 39130df | 2008-05-15 13:53:56 +0800 | [diff] [blame] | 387 | u16 max_bit_rate = 0; |
| 388 | u8 rx_chains_num = priv->hw_params.rx_chains_num; |
| 389 | u8 tx_chains_num = priv->hw_params.tx_chains_num; |
| 390 | |
Ron Rindjunsky | c7de35c | 2008-04-23 17:15:05 -0700 | [diff] [blame] | 391 | ht_info->cap = 0; |
| 392 | memset(ht_info->supp_mcs_set, 0, 16); |
| 393 | |
| 394 | ht_info->ht_supported = 1; |
| 395 | |
Ron Rindjunsky | c7de35c | 2008-04-23 17:15:05 -0700 | [diff] [blame] | 396 | ht_info->cap |= (u16)IEEE80211_HT_CAP_GRN_FLD; |
| 397 | ht_info->cap |= (u16)IEEE80211_HT_CAP_SGI_20; |
| 398 | ht_info->cap |= (u16)(IEEE80211_HT_CAP_MIMO_PS & |
| 399 | (IWL_MIMO_PS_NONE << 2)); |
| 400 | |
Ron Rindjunsky | 39130df | 2008-05-15 13:53:56 +0800 | [diff] [blame] | 401 | max_bit_rate = MAX_BIT_RATE_20_MHZ; |
| 402 | if (priv->hw_params.fat_channel & BIT(band)) { |
| 403 | ht_info->cap |= (u16)IEEE80211_HT_CAP_SUP_WIDTH; |
| 404 | ht_info->cap |= (u16)IEEE80211_HT_CAP_SGI_40; |
| 405 | ht_info->supp_mcs_set[4] = 0x01; |
| 406 | max_bit_rate = MAX_BIT_RATE_40_MHZ; |
| 407 | } |
| 408 | |
Ron Rindjunsky | c7de35c | 2008-04-23 17:15:05 -0700 | [diff] [blame] | 409 | if (priv->cfg->mod_params->amsdu_size_8K) |
| 410 | ht_info->cap |= (u16)IEEE80211_HT_CAP_MAX_AMSDU; |
| 411 | |
| 412 | ht_info->ampdu_factor = CFG_HT_RX_AMPDU_FACTOR_DEF; |
| 413 | ht_info->ampdu_density = CFG_HT_MPDU_DENSITY_DEF; |
| 414 | |
| 415 | ht_info->supp_mcs_set[0] = 0xFF; |
Ron Rindjunsky | 39130df | 2008-05-15 13:53:56 +0800 | [diff] [blame] | 416 | if (rx_chains_num >= 2) |
Ron Rindjunsky | c7de35c | 2008-04-23 17:15:05 -0700 | [diff] [blame] | 417 | ht_info->supp_mcs_set[1] = 0xFF; |
Ron Rindjunsky | 39130df | 2008-05-15 13:53:56 +0800 | [diff] [blame] | 418 | if (rx_chains_num >= 3) |
Ron Rindjunsky | c7de35c | 2008-04-23 17:15:05 -0700 | [diff] [blame] | 419 | ht_info->supp_mcs_set[2] = 0xFF; |
Ron Rindjunsky | 39130df | 2008-05-15 13:53:56 +0800 | [diff] [blame] | 420 | |
| 421 | /* Highest supported Rx data rate */ |
| 422 | max_bit_rate *= rx_chains_num; |
| 423 | ht_info->supp_mcs_set[10] = (u8)(max_bit_rate & 0x00FF); |
| 424 | ht_info->supp_mcs_set[11] = (u8)((max_bit_rate & 0xFF00) >> 8); |
| 425 | |
| 426 | /* Tx MCS capabilities */ |
| 427 | ht_info->supp_mcs_set[12] = IEEE80211_HT_CAP_MCS_TX_DEFINED; |
| 428 | if (tx_chains_num != rx_chains_num) { |
| 429 | ht_info->supp_mcs_set[12] |= IEEE80211_HT_CAP_MCS_TX_RX_DIFF; |
| 430 | ht_info->supp_mcs_set[12] |= ((tx_chains_num - 1) << 2); |
| 431 | } |
Ron Rindjunsky | c7de35c | 2008-04-23 17:15:05 -0700 | [diff] [blame] | 432 | } |
Ron Rindjunsky | c7de35c | 2008-04-23 17:15:05 -0700 | [diff] [blame] | 433 | |
| 434 | static void iwlcore_init_hw_rates(struct iwl_priv *priv, |
| 435 | struct ieee80211_rate *rates) |
| 436 | { |
| 437 | int i; |
| 438 | |
| 439 | for (i = 0; i < IWL_RATE_COUNT; i++) { |
Tomas Winkler | 1826dcc | 2008-05-15 13:54:02 +0800 | [diff] [blame] | 440 | rates[i].bitrate = iwl_rates[i].ieee * 5; |
Ron Rindjunsky | c7de35c | 2008-04-23 17:15:05 -0700 | [diff] [blame] | 441 | rates[i].hw_value = i; /* Rate scaling will work on indexes */ |
| 442 | rates[i].hw_value_short = i; |
| 443 | rates[i].flags = 0; |
| 444 | if ((i > IWL_LAST_OFDM_RATE) || (i < IWL_FIRST_OFDM_RATE)) { |
| 445 | /* |
| 446 | * If CCK != 1M then set short preamble rate flag. |
| 447 | */ |
| 448 | rates[i].flags |= |
Tomas Winkler | 1826dcc | 2008-05-15 13:54:02 +0800 | [diff] [blame] | 449 | (iwl_rates[i].plcp == IWL_RATE_1M_PLCP) ? |
Ron Rindjunsky | c7de35c | 2008-04-23 17:15:05 -0700 | [diff] [blame] | 450 | 0 : IEEE80211_RATE_SHORT_PREAMBLE; |
| 451 | } |
| 452 | } |
| 453 | } |
| 454 | |
| 455 | /** |
| 456 | * iwlcore_init_geos - Initialize mac80211's geo/channel info based from eeprom |
| 457 | */ |
| 458 | static int iwlcore_init_geos(struct iwl_priv *priv) |
| 459 | { |
| 460 | struct iwl_channel_info *ch; |
| 461 | struct ieee80211_supported_band *sband; |
| 462 | struct ieee80211_channel *channels; |
| 463 | struct ieee80211_channel *geo_ch; |
| 464 | struct ieee80211_rate *rates; |
| 465 | int i = 0; |
| 466 | |
| 467 | if (priv->bands[IEEE80211_BAND_2GHZ].n_bitrates || |
| 468 | priv->bands[IEEE80211_BAND_5GHZ].n_bitrates) { |
| 469 | IWL_DEBUG_INFO("Geography modes already initialized.\n"); |
| 470 | set_bit(STATUS_GEO_CONFIGURED, &priv->status); |
| 471 | return 0; |
| 472 | } |
| 473 | |
| 474 | channels = kzalloc(sizeof(struct ieee80211_channel) * |
| 475 | priv->channel_count, GFP_KERNEL); |
| 476 | if (!channels) |
| 477 | return -ENOMEM; |
| 478 | |
| 479 | rates = kzalloc((sizeof(struct ieee80211_rate) * (IWL_RATE_COUNT + 1)), |
| 480 | GFP_KERNEL); |
| 481 | if (!rates) { |
| 482 | kfree(channels); |
| 483 | return -ENOMEM; |
| 484 | } |
| 485 | |
| 486 | /* 5.2GHz channels start after the 2.4GHz channels */ |
| 487 | sband = &priv->bands[IEEE80211_BAND_5GHZ]; |
| 488 | sband->channels = &channels[ARRAY_SIZE(iwl_eeprom_band_1)]; |
| 489 | /* just OFDM */ |
| 490 | sband->bitrates = &rates[IWL_FIRST_OFDM_RATE]; |
| 491 | sband->n_bitrates = IWL_RATE_COUNT - IWL_FIRST_OFDM_RATE; |
| 492 | |
| 493 | iwlcore_init_ht_hw_capab(priv, &sband->ht_info, IEEE80211_BAND_5GHZ); |
| 494 | |
| 495 | sband = &priv->bands[IEEE80211_BAND_2GHZ]; |
| 496 | sband->channels = channels; |
| 497 | /* OFDM & CCK */ |
| 498 | sband->bitrates = rates; |
| 499 | sband->n_bitrates = IWL_RATE_COUNT; |
| 500 | |
| 501 | iwlcore_init_ht_hw_capab(priv, &sband->ht_info, IEEE80211_BAND_2GHZ); |
| 502 | |
| 503 | priv->ieee_channels = channels; |
| 504 | priv->ieee_rates = rates; |
| 505 | |
| 506 | iwlcore_init_hw_rates(priv, rates); |
| 507 | |
| 508 | for (i = 0; i < priv->channel_count; i++) { |
| 509 | ch = &priv->channel_info[i]; |
| 510 | |
| 511 | /* FIXME: might be removed if scan is OK */ |
| 512 | if (!is_channel_valid(ch)) |
| 513 | continue; |
| 514 | |
| 515 | if (is_channel_a_band(ch)) |
| 516 | sband = &priv->bands[IEEE80211_BAND_5GHZ]; |
| 517 | else |
| 518 | sband = &priv->bands[IEEE80211_BAND_2GHZ]; |
| 519 | |
| 520 | geo_ch = &sband->channels[sband->n_channels++]; |
| 521 | |
| 522 | geo_ch->center_freq = |
| 523 | ieee80211_channel_to_frequency(ch->channel); |
| 524 | geo_ch->max_power = ch->max_power_avg; |
| 525 | geo_ch->max_antenna_gain = 0xff; |
| 526 | geo_ch->hw_value = ch->channel; |
| 527 | |
| 528 | if (is_channel_valid(ch)) { |
| 529 | if (!(ch->flags & EEPROM_CHANNEL_IBSS)) |
| 530 | geo_ch->flags |= IEEE80211_CHAN_NO_IBSS; |
| 531 | |
| 532 | if (!(ch->flags & EEPROM_CHANNEL_ACTIVE)) |
| 533 | geo_ch->flags |= IEEE80211_CHAN_PASSIVE_SCAN; |
| 534 | |
| 535 | if (ch->flags & EEPROM_CHANNEL_RADAR) |
| 536 | geo_ch->flags |= IEEE80211_CHAN_RADAR; |
| 537 | |
Emmanuel Grumbach | 963f551 | 2008-06-12 09:47:00 +0800 | [diff] [blame] | 538 | geo_ch->flags |= ch->fat_extension_channel; |
Emmanuel Grumbach | 4d38c2e | 2008-05-29 16:35:24 +0800 | [diff] [blame] | 539 | |
Tomas Winkler | 630fe9b | 2008-06-12 09:47:08 +0800 | [diff] [blame] | 540 | if (ch->max_power_avg > priv->tx_power_channel_lmt) |
| 541 | priv->tx_power_channel_lmt = ch->max_power_avg; |
Ron Rindjunsky | c7de35c | 2008-04-23 17:15:05 -0700 | [diff] [blame] | 542 | } else { |
| 543 | geo_ch->flags |= IEEE80211_CHAN_DISABLED; |
| 544 | } |
| 545 | |
| 546 | /* Save flags for reg domain usage */ |
| 547 | geo_ch->orig_flags = geo_ch->flags; |
| 548 | |
Emmanuel Grumbach | 963f551 | 2008-06-12 09:47:00 +0800 | [diff] [blame] | 549 | IWL_DEBUG_INFO("Channel %d Freq=%d[%sGHz] %s flag=0x%X\n", |
Ron Rindjunsky | c7de35c | 2008-04-23 17:15:05 -0700 | [diff] [blame] | 550 | ch->channel, geo_ch->center_freq, |
| 551 | is_channel_a_band(ch) ? "5.2" : "2.4", |
| 552 | geo_ch->flags & IEEE80211_CHAN_DISABLED ? |
| 553 | "restricted" : "valid", |
| 554 | geo_ch->flags); |
| 555 | } |
| 556 | |
| 557 | if ((priv->bands[IEEE80211_BAND_5GHZ].n_channels == 0) && |
| 558 | priv->cfg->sku & IWL_SKU_A) { |
| 559 | printk(KERN_INFO DRV_NAME |
| 560 | ": Incorrectly detected BG card as ABG. Please send " |
| 561 | "your PCI ID 0x%04X:0x%04X to maintainer.\n", |
| 562 | priv->pci_dev->device, priv->pci_dev->subsystem_device); |
| 563 | priv->cfg->sku &= ~IWL_SKU_A; |
| 564 | } |
| 565 | |
| 566 | printk(KERN_INFO DRV_NAME |
| 567 | ": Tunable channels: %d 802.11bg, %d 802.11a channels\n", |
| 568 | priv->bands[IEEE80211_BAND_2GHZ].n_channels, |
| 569 | priv->bands[IEEE80211_BAND_5GHZ].n_channels); |
| 570 | |
Ron Rindjunsky | c7de35c | 2008-04-23 17:15:05 -0700 | [diff] [blame] | 571 | |
| 572 | set_bit(STATUS_GEO_CONFIGURED, &priv->status); |
| 573 | |
| 574 | return 0; |
| 575 | } |
| 576 | |
| 577 | /* |
| 578 | * iwlcore_free_geos - undo allocations in iwlcore_init_geos |
| 579 | */ |
Tomas Winkler | 6ba8795 | 2008-05-15 13:54:17 +0800 | [diff] [blame] | 580 | static void iwlcore_free_geos(struct iwl_priv *priv) |
Ron Rindjunsky | c7de35c | 2008-04-23 17:15:05 -0700 | [diff] [blame] | 581 | { |
| 582 | kfree(priv->ieee_channels); |
| 583 | kfree(priv->ieee_rates); |
| 584 | clear_bit(STATUS_GEO_CONFIGURED, &priv->status); |
| 585 | } |
Ron Rindjunsky | c7de35c | 2008-04-23 17:15:05 -0700 | [diff] [blame] | 586 | |
Ron Rindjunsky | c7de35c | 2008-04-23 17:15:05 -0700 | [diff] [blame] | 587 | static u8 is_single_rx_stream(struct iwl_priv *priv) |
| 588 | { |
| 589 | return !priv->current_ht_config.is_ht || |
| 590 | ((priv->current_ht_config.supp_mcs_set[1] == 0) && |
| 591 | (priv->current_ht_config.supp_mcs_set[2] == 0)) || |
| 592 | priv->ps_mode == IWL_MIMO_PS_STATIC; |
| 593 | } |
Emmanuel Grumbach | 963f551 | 2008-06-12 09:47:00 +0800 | [diff] [blame] | 594 | |
Tomas Winkler | 47c5196 | 2008-05-05 10:22:41 +0800 | [diff] [blame] | 595 | static u8 iwl_is_channel_extension(struct iwl_priv *priv, |
| 596 | enum ieee80211_band band, |
| 597 | u16 channel, u8 extension_chan_offset) |
| 598 | { |
| 599 | const struct iwl_channel_info *ch_info; |
| 600 | |
| 601 | ch_info = iwl_get_channel_info(priv, band, channel); |
| 602 | if (!is_channel_valid(ch_info)) |
| 603 | return 0; |
| 604 | |
Emmanuel Grumbach | 963f551 | 2008-06-12 09:47:00 +0800 | [diff] [blame] | 605 | if (extension_chan_offset == IEEE80211_HT_IE_CHA_SEC_ABOVE) |
| 606 | return !(ch_info->fat_extension_channel & |
| 607 | IEEE80211_CHAN_NO_FAT_ABOVE); |
| 608 | else if (extension_chan_offset == IEEE80211_HT_IE_CHA_SEC_BELOW) |
| 609 | return !(ch_info->fat_extension_channel & |
| 610 | IEEE80211_CHAN_NO_FAT_BELOW); |
Tomas Winkler | 47c5196 | 2008-05-05 10:22:41 +0800 | [diff] [blame] | 611 | |
| 612 | return 0; |
| 613 | } |
| 614 | |
| 615 | u8 iwl_is_fat_tx_allowed(struct iwl_priv *priv, |
| 616 | struct ieee80211_ht_info *sta_ht_inf) |
| 617 | { |
| 618 | struct iwl_ht_info *iwl_ht_conf = &priv->current_ht_config; |
| 619 | |
| 620 | if ((!iwl_ht_conf->is_ht) || |
| 621 | (iwl_ht_conf->supported_chan_width != IWL_CHANNEL_WIDTH_40MHZ) || |
Emmanuel Grumbach | 963f551 | 2008-06-12 09:47:00 +0800 | [diff] [blame] | 622 | (iwl_ht_conf->extension_chan_offset == IEEE80211_HT_IE_CHA_SEC_NONE)) |
Tomas Winkler | 47c5196 | 2008-05-05 10:22:41 +0800 | [diff] [blame] | 623 | return 0; |
| 624 | |
| 625 | if (sta_ht_inf) { |
| 626 | if ((!sta_ht_inf->ht_supported) || |
| 627 | (!(sta_ht_inf->cap & IEEE80211_HT_CAP_SUP_WIDTH))) |
| 628 | return 0; |
| 629 | } |
| 630 | |
| 631 | return iwl_is_channel_extension(priv, priv->band, |
| 632 | iwl_ht_conf->control_channel, |
| 633 | iwl_ht_conf->extension_chan_offset); |
| 634 | } |
| 635 | EXPORT_SYMBOL(iwl_is_fat_tx_allowed); |
| 636 | |
| 637 | void iwl_set_rxon_ht(struct iwl_priv *priv, struct iwl_ht_info *ht_info) |
| 638 | { |
Gregory Greenman | c1adf9f | 2008-05-15 13:53:59 +0800 | [diff] [blame] | 639 | struct iwl_rxon_cmd *rxon = &priv->staging_rxon; |
Tomas Winkler | 47c5196 | 2008-05-05 10:22:41 +0800 | [diff] [blame] | 640 | u32 val; |
| 641 | |
| 642 | if (!ht_info->is_ht) |
| 643 | return; |
| 644 | |
| 645 | /* Set up channel bandwidth: 20 MHz only, or 20/40 mixed if fat ok */ |
| 646 | if (iwl_is_fat_tx_allowed(priv, NULL)) |
| 647 | rxon->flags |= RXON_FLG_CHANNEL_MODE_MIXED_MSK; |
| 648 | else |
| 649 | rxon->flags &= ~(RXON_FLG_CHANNEL_MODE_MIXED_MSK | |
| 650 | RXON_FLG_CHANNEL_MODE_PURE_40_MSK); |
| 651 | |
| 652 | if (le16_to_cpu(rxon->channel) != ht_info->control_channel) { |
| 653 | IWL_DEBUG_ASSOC("control diff than current %d %d\n", |
| 654 | le16_to_cpu(rxon->channel), |
| 655 | ht_info->control_channel); |
Tomas Winkler | 47c5196 | 2008-05-05 10:22:41 +0800 | [diff] [blame] | 656 | return; |
| 657 | } |
| 658 | |
| 659 | /* Note: control channel is opposite of extension channel */ |
| 660 | switch (ht_info->extension_chan_offset) { |
Emmanuel Grumbach | 963f551 | 2008-06-12 09:47:00 +0800 | [diff] [blame] | 661 | case IEEE80211_HT_IE_CHA_SEC_ABOVE: |
Tomas Winkler | 47c5196 | 2008-05-05 10:22:41 +0800 | [diff] [blame] | 662 | rxon->flags &= ~(RXON_FLG_CTRL_CHANNEL_LOC_HI_MSK); |
| 663 | break; |
Emmanuel Grumbach | 963f551 | 2008-06-12 09:47:00 +0800 | [diff] [blame] | 664 | case IEEE80211_HT_IE_CHA_SEC_BELOW: |
Tomas Winkler | 47c5196 | 2008-05-05 10:22:41 +0800 | [diff] [blame] | 665 | rxon->flags |= RXON_FLG_CTRL_CHANNEL_LOC_HI_MSK; |
| 666 | break; |
Emmanuel Grumbach | 963f551 | 2008-06-12 09:47:00 +0800 | [diff] [blame] | 667 | case IEEE80211_HT_IE_CHA_SEC_NONE: |
Tomas Winkler | 47c5196 | 2008-05-05 10:22:41 +0800 | [diff] [blame] | 668 | default: |
| 669 | rxon->flags &= ~RXON_FLG_CHANNEL_MODE_MIXED_MSK; |
| 670 | break; |
| 671 | } |
| 672 | |
| 673 | val = ht_info->ht_protection; |
| 674 | |
| 675 | rxon->flags |= cpu_to_le32(val << RXON_FLG_HT_OPERATING_MODE_POS); |
| 676 | |
| 677 | iwl_set_rxon_chain(priv); |
| 678 | |
| 679 | IWL_DEBUG_ASSOC("supported HT rate 0x%X 0x%X 0x%X " |
| 680 | "rxon flags 0x%X operation mode :0x%X " |
| 681 | "extension channel offset 0x%x " |
| 682 | "control chan %d\n", |
| 683 | ht_info->supp_mcs_set[0], |
| 684 | ht_info->supp_mcs_set[1], |
| 685 | ht_info->supp_mcs_set[2], |
| 686 | le32_to_cpu(rxon->flags), ht_info->ht_protection, |
| 687 | ht_info->extension_chan_offset, |
| 688 | ht_info->control_channel); |
| 689 | return; |
| 690 | } |
| 691 | EXPORT_SYMBOL(iwl_set_rxon_ht); |
| 692 | |
Ron Rindjunsky | c7de35c | 2008-04-23 17:15:05 -0700 | [diff] [blame] | 693 | /* |
| 694 | * Determine how many receiver/antenna chains to use. |
| 695 | * More provides better reception via diversity. Fewer saves power. |
| 696 | * MIMO (dual stream) requires at least 2, but works better with 3. |
| 697 | * This does not determine *which* chains to use, just how many. |
| 698 | */ |
| 699 | static int iwlcore_get_rx_chain_counter(struct iwl_priv *priv, |
| 700 | u8 *idle_state, u8 *rx_state) |
| 701 | { |
| 702 | u8 is_single = is_single_rx_stream(priv); |
| 703 | u8 is_cam = test_bit(STATUS_POWER_PMI, &priv->status) ? 0 : 1; |
| 704 | |
| 705 | /* # of Rx chains to use when expecting MIMO. */ |
| 706 | if (is_single || (!is_cam && (priv->ps_mode == IWL_MIMO_PS_STATIC))) |
| 707 | *rx_state = 2; |
| 708 | else |
| 709 | *rx_state = 3; |
| 710 | |
| 711 | /* # Rx chains when idling and maybe trying to save power */ |
| 712 | switch (priv->ps_mode) { |
| 713 | case IWL_MIMO_PS_STATIC: |
| 714 | case IWL_MIMO_PS_DYNAMIC: |
| 715 | *idle_state = (is_cam) ? 2 : 1; |
| 716 | break; |
| 717 | case IWL_MIMO_PS_NONE: |
| 718 | *idle_state = (is_cam) ? *rx_state : 1; |
| 719 | break; |
| 720 | default: |
| 721 | *idle_state = 1; |
| 722 | break; |
| 723 | } |
| 724 | |
| 725 | return 0; |
| 726 | } |
| 727 | |
| 728 | /** |
| 729 | * iwl_set_rxon_chain - Set up Rx chain usage in "staging" RXON image |
| 730 | * |
| 731 | * Selects how many and which Rx receivers/antennas/chains to use. |
| 732 | * This should not be used for scan command ... it puts data in wrong place. |
| 733 | */ |
| 734 | void iwl_set_rxon_chain(struct iwl_priv *priv) |
| 735 | { |
| 736 | u8 is_single = is_single_rx_stream(priv); |
| 737 | u8 idle_state, rx_state; |
| 738 | |
| 739 | priv->staging_rxon.rx_chain = 0; |
| 740 | rx_state = idle_state = 3; |
| 741 | |
| 742 | /* Tell uCode which antennas are actually connected. |
| 743 | * Before first association, we assume all antennas are connected. |
| 744 | * Just after first association, iwl_chain_noise_calibration() |
| 745 | * checks which antennas actually *are* connected. */ |
| 746 | priv->staging_rxon.rx_chain |= |
| 747 | cpu_to_le16(priv->hw_params.valid_rx_ant << |
| 748 | RXON_RX_CHAIN_VALID_POS); |
| 749 | |
| 750 | /* How many receivers should we use? */ |
| 751 | iwlcore_get_rx_chain_counter(priv, &idle_state, &rx_state); |
| 752 | priv->staging_rxon.rx_chain |= |
| 753 | cpu_to_le16(rx_state << RXON_RX_CHAIN_MIMO_CNT_POS); |
| 754 | priv->staging_rxon.rx_chain |= |
| 755 | cpu_to_le16(idle_state << RXON_RX_CHAIN_CNT_POS); |
| 756 | |
| 757 | if (!is_single && (rx_state >= 2) && |
| 758 | !test_bit(STATUS_POWER_PMI, &priv->status)) |
| 759 | priv->staging_rxon.rx_chain |= RXON_RX_CHAIN_MIMO_FORCE_MSK; |
| 760 | else |
| 761 | priv->staging_rxon.rx_chain &= ~RXON_RX_CHAIN_MIMO_FORCE_MSK; |
| 762 | |
| 763 | IWL_DEBUG_ASSOC("rx chain %X\n", priv->staging_rxon.rx_chain); |
| 764 | } |
| 765 | EXPORT_SYMBOL(iwl_set_rxon_chain); |
Assaf Krauss | bf85ea4 | 2008-03-14 10:38:49 -0700 | [diff] [blame] | 766 | |
| 767 | /** |
| 768 | * iwlcore_set_rxon_channel - Set the phymode and channel values in staging RXON |
| 769 | * @phymode: MODE_IEEE80211A sets to 5.2GHz; all else set to 2.4GHz |
| 770 | * @channel: Any channel valid for the requested phymode |
| 771 | |
| 772 | * In addition to setting the staging RXON, priv->phymode is also set. |
| 773 | * |
| 774 | * NOTE: Does not commit to the hardware; it sets appropriate bit fields |
| 775 | * in the staging RXON flag structure based on the phymode |
| 776 | */ |
Ron Rindjunsky | c7de35c | 2008-04-23 17:15:05 -0700 | [diff] [blame] | 777 | int iwl_set_rxon_channel(struct iwl_priv *priv, |
Assaf Krauss | bf85ea4 | 2008-03-14 10:38:49 -0700 | [diff] [blame] | 778 | enum ieee80211_band band, |
| 779 | u16 channel) |
| 780 | { |
Assaf Krauss | 8622e70 | 2008-03-21 13:53:43 -0700 | [diff] [blame] | 781 | if (!iwl_get_channel_info(priv, band, channel)) { |
Assaf Krauss | bf85ea4 | 2008-03-14 10:38:49 -0700 | [diff] [blame] | 782 | IWL_DEBUG_INFO("Could not set channel to %d [%d]\n", |
| 783 | channel, band); |
| 784 | return -EINVAL; |
| 785 | } |
| 786 | |
| 787 | if ((le16_to_cpu(priv->staging_rxon.channel) == channel) && |
| 788 | (priv->band == band)) |
| 789 | return 0; |
| 790 | |
| 791 | priv->staging_rxon.channel = cpu_to_le16(channel); |
| 792 | if (band == IEEE80211_BAND_5GHZ) |
| 793 | priv->staging_rxon.flags &= ~RXON_FLG_BAND_24G_MSK; |
| 794 | else |
| 795 | priv->staging_rxon.flags |= RXON_FLG_BAND_24G_MSK; |
| 796 | |
| 797 | priv->band = band; |
| 798 | |
| 799 | IWL_DEBUG_INFO("Staging channel set to %d [%d]\n", channel, band); |
| 800 | |
| 801 | return 0; |
| 802 | } |
Ron Rindjunsky | c7de35c | 2008-04-23 17:15:05 -0700 | [diff] [blame] | 803 | EXPORT_SYMBOL(iwl_set_rxon_channel); |
Assaf Krauss | bf85ea4 | 2008-03-14 10:38:49 -0700 | [diff] [blame] | 804 | |
Tomas Winkler | 6ba8795 | 2008-05-15 13:54:17 +0800 | [diff] [blame] | 805 | int iwl_setup_mac(struct iwl_priv *priv) |
Assaf Krauss | bf85ea4 | 2008-03-14 10:38:49 -0700 | [diff] [blame] | 806 | { |
Tomas Winkler | 6ba8795 | 2008-05-15 13:54:17 +0800 | [diff] [blame] | 807 | int ret; |
Assaf Krauss | bf85ea4 | 2008-03-14 10:38:49 -0700 | [diff] [blame] | 808 | struct ieee80211_hw *hw = priv->hw; |
| 809 | hw->rate_control_algorithm = "iwl-4965-rs"; |
| 810 | |
Bruno Randolf | 566bfe5 | 2008-05-08 19:15:40 +0200 | [diff] [blame] | 811 | /* Tell mac80211 our characteristics */ |
| 812 | hw->flags = IEEE80211_HW_HOST_GEN_BEACON_TEMPLATE | |
| 813 | IEEE80211_HW_SIGNAL_DBM | |
| 814 | IEEE80211_HW_NOISE_DBM; |
Assaf Krauss | bf85ea4 | 2008-03-14 10:38:49 -0700 | [diff] [blame] | 815 | /* Default value; 4 EDCA QOS priorities */ |
| 816 | hw->queues = 4; |
Assaf Krauss | bf85ea4 | 2008-03-14 10:38:49 -0700 | [diff] [blame] | 817 | /* Enhanced value; more queues, to support 11n aggregation */ |
Johannes Berg | e100bb6 | 2008-04-30 18:51:21 +0200 | [diff] [blame] | 818 | hw->ampdu_queues = 12; |
Assaf Krauss | bf85ea4 | 2008-03-14 10:38:49 -0700 | [diff] [blame] | 819 | |
Tomas Winkler | 6ba8795 | 2008-05-15 13:54:17 +0800 | [diff] [blame] | 820 | hw->conf.beacon_int = 100; |
| 821 | |
| 822 | if (priv->bands[IEEE80211_BAND_2GHZ].n_channels) |
| 823 | priv->hw->wiphy->bands[IEEE80211_BAND_2GHZ] = |
| 824 | &priv->bands[IEEE80211_BAND_2GHZ]; |
| 825 | if (priv->bands[IEEE80211_BAND_5GHZ].n_channels) |
| 826 | priv->hw->wiphy->bands[IEEE80211_BAND_5GHZ] = |
| 827 | &priv->bands[IEEE80211_BAND_5GHZ]; |
| 828 | |
| 829 | ret = ieee80211_register_hw(priv->hw); |
| 830 | if (ret) { |
| 831 | IWL_ERROR("Failed to register hw (error %d)\n", ret); |
| 832 | return ret; |
| 833 | } |
| 834 | priv->mac80211_registered = 1; |
| 835 | |
| 836 | return 0; |
| 837 | } |
| 838 | EXPORT_SYMBOL(iwl_setup_mac); |
| 839 | |
| 840 | |
| 841 | int iwl_init_drv(struct iwl_priv *priv) |
Ron Rindjunsky | c7de35c | 2008-04-23 17:15:05 -0700 | [diff] [blame] | 842 | { |
| 843 | int ret; |
| 844 | int i; |
| 845 | |
| 846 | priv->retry_rate = 1; |
| 847 | priv->ibss_beacon = NULL; |
| 848 | |
| 849 | spin_lock_init(&priv->lock); |
| 850 | spin_lock_init(&priv->power_data.lock); |
| 851 | spin_lock_init(&priv->sta_lock); |
| 852 | spin_lock_init(&priv->hcmd_lock); |
| 853 | spin_lock_init(&priv->lq_mngr.lock); |
| 854 | |
| 855 | for (i = 0; i < IWL_IBSS_MAC_HASH_SIZE; i++) |
| 856 | INIT_LIST_HEAD(&priv->ibss_mac_hash[i]); |
| 857 | |
| 858 | INIT_LIST_HEAD(&priv->free_frames); |
| 859 | |
| 860 | mutex_init(&priv->mutex); |
| 861 | |
| 862 | /* Clear the driver's (not device's) station table */ |
| 863 | iwlcore_clear_stations_table(priv); |
| 864 | |
| 865 | priv->data_retry_limit = -1; |
| 866 | priv->ieee_channels = NULL; |
| 867 | priv->ieee_rates = NULL; |
| 868 | priv->band = IEEE80211_BAND_2GHZ; |
| 869 | |
| 870 | priv->iw_mode = IEEE80211_IF_TYPE_STA; |
| 871 | |
| 872 | priv->use_ant_b_for_management_frame = 1; /* start with ant B */ |
| 873 | priv->ps_mode = IWL_MIMO_PS_NONE; |
| 874 | |
| 875 | /* Choose which receivers/antennas to use */ |
| 876 | iwl_set_rxon_chain(priv); |
Tomas Winkler | f53696d | 2008-06-12 09:47:12 +0800 | [diff] [blame] | 877 | iwl_init_scan_params(priv); |
Ron Rindjunsky | c7de35c | 2008-04-23 17:15:05 -0700 | [diff] [blame] | 878 | |
Tomas Winkler | 6ba8795 | 2008-05-15 13:54:17 +0800 | [diff] [blame] | 879 | if (priv->cfg->mod_params->enable_qos) |
| 880 | priv->qos_data.qos_enable = 1; |
| 881 | |
Ron Rindjunsky | c7de35c | 2008-04-23 17:15:05 -0700 | [diff] [blame] | 882 | iwl_reset_qos(priv); |
| 883 | |
| 884 | priv->qos_data.qos_active = 0; |
| 885 | priv->qos_data.qos_cap.val = 0; |
| 886 | |
| 887 | iwl_set_rxon_channel(priv, IEEE80211_BAND_2GHZ, 6); |
| 888 | |
| 889 | priv->rates_mask = IWL_RATES_MASK; |
| 890 | /* If power management is turned on, default to AC mode */ |
| 891 | priv->power_mode = IWL_POWER_AC; |
Tomas Winkler | 630fe9b | 2008-06-12 09:47:08 +0800 | [diff] [blame] | 892 | priv->tx_power_user_lmt = IWL_TX_POWER_TARGET_POWER_MAX; |
Ron Rindjunsky | c7de35c | 2008-04-23 17:15:05 -0700 | [diff] [blame] | 893 | |
| 894 | ret = iwl_init_channel_map(priv); |
| 895 | if (ret) { |
| 896 | IWL_ERROR("initializing regulatory failed: %d\n", ret); |
| 897 | goto err; |
| 898 | } |
| 899 | |
| 900 | ret = iwlcore_init_geos(priv); |
| 901 | if (ret) { |
| 902 | IWL_ERROR("initializing geos failed: %d\n", ret); |
| 903 | goto err_free_channel_map; |
| 904 | } |
| 905 | |
Ron Rindjunsky | c7de35c | 2008-04-23 17:15:05 -0700 | [diff] [blame] | 906 | return 0; |
| 907 | |
Ron Rindjunsky | c7de35c | 2008-04-23 17:15:05 -0700 | [diff] [blame] | 908 | err_free_channel_map: |
| 909 | iwl_free_channel_map(priv); |
| 910 | err: |
| 911 | return ret; |
| 912 | } |
Tomas Winkler | 6ba8795 | 2008-05-15 13:54:17 +0800 | [diff] [blame] | 913 | EXPORT_SYMBOL(iwl_init_drv); |
Ron Rindjunsky | c7de35c | 2008-04-23 17:15:05 -0700 | [diff] [blame] | 914 | |
Tomas Winkler | 7c616cb | 2008-05-29 16:35:05 +0800 | [diff] [blame] | 915 | void iwl_free_calib_results(struct iwl_priv *priv) |
| 916 | { |
| 917 | kfree(priv->calib_results.lo_res); |
| 918 | priv->calib_results.lo_res = NULL; |
| 919 | priv->calib_results.lo_res_len = 0; |
| 920 | |
| 921 | kfree(priv->calib_results.tx_iq_res); |
| 922 | priv->calib_results.tx_iq_res = NULL; |
| 923 | priv->calib_results.tx_iq_res_len = 0; |
| 924 | |
| 925 | kfree(priv->calib_results.tx_iq_perd_res); |
| 926 | priv->calib_results.tx_iq_perd_res = NULL; |
| 927 | priv->calib_results.tx_iq_perd_res_len = 0; |
| 928 | } |
| 929 | EXPORT_SYMBOL(iwl_free_calib_results); |
Tomas Winkler | 6ba8795 | 2008-05-15 13:54:17 +0800 | [diff] [blame] | 930 | |
Tomas Winkler | 630fe9b | 2008-06-12 09:47:08 +0800 | [diff] [blame] | 931 | int iwl_set_tx_power(struct iwl_priv *priv, s8 tx_power, bool force) |
| 932 | { |
| 933 | int ret = 0; |
| 934 | if (tx_power < IWL_TX_POWER_TARGET_POWER_MIN) { |
| 935 | IWL_WARNING("Requested user TXPOWER %d below limit.\n", |
| 936 | priv->tx_power_user_lmt); |
| 937 | return -EINVAL; |
| 938 | } |
| 939 | |
| 940 | if (tx_power > IWL_TX_POWER_TARGET_POWER_MAX) { |
| 941 | IWL_WARNING("Requested user TXPOWER %d above limit.\n", |
| 942 | priv->tx_power_user_lmt); |
| 943 | return -EINVAL; |
| 944 | } |
| 945 | |
| 946 | if (priv->tx_power_user_lmt != tx_power) |
| 947 | force = true; |
| 948 | |
| 949 | priv->tx_power_user_lmt = tx_power; |
| 950 | |
| 951 | if (force && priv->cfg->ops->lib->send_tx_power) |
| 952 | ret = priv->cfg->ops->lib->send_tx_power(priv); |
| 953 | |
| 954 | return ret; |
| 955 | } |
| 956 | EXPORT_SYMBOL(iwl_set_tx_power); |
| 957 | |
| 958 | |
Tomas Winkler | 6ba8795 | 2008-05-15 13:54:17 +0800 | [diff] [blame] | 959 | void iwl_uninit_drv(struct iwl_priv *priv) |
Assaf Krauss | bf85ea4 | 2008-03-14 10:38:49 -0700 | [diff] [blame] | 960 | { |
Tomas Winkler | 7c616cb | 2008-05-29 16:35:05 +0800 | [diff] [blame] | 961 | iwl_free_calib_results(priv); |
Tomas Winkler | 6ba8795 | 2008-05-15 13:54:17 +0800 | [diff] [blame] | 962 | iwlcore_free_geos(priv); |
| 963 | iwl_free_channel_map(priv); |
Emmanuel Grumbach | 261415f | 2008-05-29 16:35:25 +0800 | [diff] [blame] | 964 | kfree(priv->scan); |
Assaf Krauss | bf85ea4 | 2008-03-14 10:38:49 -0700 | [diff] [blame] | 965 | } |
Tomas Winkler | 6ba8795 | 2008-05-15 13:54:17 +0800 | [diff] [blame] | 966 | EXPORT_SYMBOL(iwl_uninit_drv); |
Assaf Krauss | bf85ea4 | 2008-03-14 10:38:49 -0700 | [diff] [blame] | 967 | |
Tomas Winkler | 630fe9b | 2008-06-12 09:47:08 +0800 | [diff] [blame] | 968 | |
| 969 | |
Mohamed Abbas | c8381fd | 2008-03-28 16:21:05 -0700 | [diff] [blame] | 970 | /* Low level driver call this function to update iwlcore with |
| 971 | * driver status. |
| 972 | */ |
| 973 | int iwlcore_low_level_notify(struct iwl_priv *priv, |
| 974 | enum iwlcore_card_notify notify) |
| 975 | { |
Mohamed Abbas | 03d29c6 | 2008-04-03 16:05:24 -0700 | [diff] [blame] | 976 | int ret; |
Mohamed Abbas | c8381fd | 2008-03-28 16:21:05 -0700 | [diff] [blame] | 977 | switch (notify) { |
| 978 | case IWLCORE_INIT_EVT: |
Mohamed Abbas | 03d29c6 | 2008-04-03 16:05:24 -0700 | [diff] [blame] | 979 | ret = iwl_rfkill_init(priv); |
| 980 | if (ret) |
| 981 | IWL_ERROR("Unable to initialize RFKILL system. " |
| 982 | "Ignoring error: %d\n", ret); |
Mohamed Abbas | 5da4b55 | 2008-04-21 15:41:51 -0700 | [diff] [blame] | 983 | iwl_power_initialize(priv); |
Mohamed Abbas | c8381fd | 2008-03-28 16:21:05 -0700 | [diff] [blame] | 984 | break; |
| 985 | case IWLCORE_START_EVT: |
Mohamed Abbas | 5da4b55 | 2008-04-21 15:41:51 -0700 | [diff] [blame] | 986 | iwl_power_update_mode(priv, 1); |
Mohamed Abbas | c8381fd | 2008-03-28 16:21:05 -0700 | [diff] [blame] | 987 | break; |
| 988 | case IWLCORE_STOP_EVT: |
| 989 | break; |
| 990 | case IWLCORE_REMOVE_EVT: |
Mohamed Abbas | ad97edd | 2008-03-28 16:21:06 -0700 | [diff] [blame] | 991 | iwl_rfkill_unregister(priv); |
Mohamed Abbas | c8381fd | 2008-03-28 16:21:05 -0700 | [diff] [blame] | 992 | break; |
| 993 | } |
| 994 | |
| 995 | return 0; |
| 996 | } |
| 997 | EXPORT_SYMBOL(iwlcore_low_level_notify); |
| 998 | |
Emmanuel Grumbach | 49ea859 | 2008-04-15 16:01:37 -0700 | [diff] [blame] | 999 | int iwl_send_statistics_request(struct iwl_priv *priv, u8 flags) |
| 1000 | { |
| 1001 | u32 stat_flags = 0; |
| 1002 | struct iwl_host_cmd cmd = { |
| 1003 | .id = REPLY_STATISTICS_CMD, |
| 1004 | .meta.flags = flags, |
| 1005 | .len = sizeof(stat_flags), |
| 1006 | .data = (u8 *) &stat_flags, |
| 1007 | }; |
| 1008 | return iwl_send_cmd(priv, &cmd); |
| 1009 | } |
| 1010 | EXPORT_SYMBOL(iwl_send_statistics_request); |
Tomas Winkler | 7e8c519 | 2008-04-15 16:01:43 -0700 | [diff] [blame] | 1011 | |
Emmanuel Grumbach | b0692f2 | 2008-04-24 11:55:18 -0700 | [diff] [blame] | 1012 | /** |
| 1013 | * iwl_verify_inst_sparse - verify runtime uCode image in card vs. host, |
| 1014 | * using sample data 100 bytes apart. If these sample points are good, |
| 1015 | * it's a pretty good bet that everything between them is good, too. |
| 1016 | */ |
| 1017 | static int iwlcore_verify_inst_sparse(struct iwl_priv *priv, __le32 *image, u32 len) |
| 1018 | { |
| 1019 | u32 val; |
| 1020 | int ret = 0; |
| 1021 | u32 errcnt = 0; |
| 1022 | u32 i; |
| 1023 | |
| 1024 | IWL_DEBUG_INFO("ucode inst image size is %u\n", len); |
| 1025 | |
| 1026 | ret = iwl_grab_nic_access(priv); |
| 1027 | if (ret) |
| 1028 | return ret; |
| 1029 | |
| 1030 | for (i = 0; i < len; i += 100, image += 100/sizeof(u32)) { |
| 1031 | /* read data comes through single port, auto-incr addr */ |
| 1032 | /* NOTE: Use the debugless read so we don't flood kernel log |
| 1033 | * if IWL_DL_IO is set */ |
| 1034 | iwl_write_direct32(priv, HBUS_TARG_MEM_RADDR, |
| 1035 | i + RTC_INST_LOWER_BOUND); |
| 1036 | val = _iwl_read_direct32(priv, HBUS_TARG_MEM_RDAT); |
| 1037 | if (val != le32_to_cpu(*image)) { |
| 1038 | ret = -EIO; |
| 1039 | errcnt++; |
| 1040 | if (errcnt >= 3) |
| 1041 | break; |
| 1042 | } |
| 1043 | } |
| 1044 | |
| 1045 | iwl_release_nic_access(priv); |
| 1046 | |
| 1047 | return ret; |
| 1048 | } |
| 1049 | |
| 1050 | /** |
| 1051 | * iwlcore_verify_inst_full - verify runtime uCode image in card vs. host, |
| 1052 | * looking at all data. |
| 1053 | */ |
| 1054 | static int iwl_verify_inst_full(struct iwl_priv *priv, __le32 *image, |
| 1055 | u32 len) |
| 1056 | { |
| 1057 | u32 val; |
| 1058 | u32 save_len = len; |
| 1059 | int ret = 0; |
| 1060 | u32 errcnt; |
| 1061 | |
| 1062 | IWL_DEBUG_INFO("ucode inst image size is %u\n", len); |
| 1063 | |
| 1064 | ret = iwl_grab_nic_access(priv); |
| 1065 | if (ret) |
| 1066 | return ret; |
| 1067 | |
| 1068 | iwl_write_direct32(priv, HBUS_TARG_MEM_RADDR, RTC_INST_LOWER_BOUND); |
| 1069 | |
| 1070 | errcnt = 0; |
| 1071 | for (; len > 0; len -= sizeof(u32), image++) { |
| 1072 | /* read data comes through single port, auto-incr addr */ |
| 1073 | /* NOTE: Use the debugless read so we don't flood kernel log |
| 1074 | * if IWL_DL_IO is set */ |
| 1075 | val = _iwl_read_direct32(priv, HBUS_TARG_MEM_RDAT); |
| 1076 | if (val != le32_to_cpu(*image)) { |
| 1077 | IWL_ERROR("uCode INST section is invalid at " |
| 1078 | "offset 0x%x, is 0x%x, s/b 0x%x\n", |
| 1079 | save_len - len, val, le32_to_cpu(*image)); |
| 1080 | ret = -EIO; |
| 1081 | errcnt++; |
| 1082 | if (errcnt >= 20) |
| 1083 | break; |
| 1084 | } |
| 1085 | } |
| 1086 | |
| 1087 | iwl_release_nic_access(priv); |
| 1088 | |
| 1089 | if (!errcnt) |
| 1090 | IWL_DEBUG_INFO |
| 1091 | ("ucode image in INSTRUCTION memory is good\n"); |
| 1092 | |
| 1093 | return ret; |
| 1094 | } |
| 1095 | |
| 1096 | /** |
| 1097 | * iwl_verify_ucode - determine which instruction image is in SRAM, |
| 1098 | * and verify its contents |
| 1099 | */ |
| 1100 | int iwl_verify_ucode(struct iwl_priv *priv) |
| 1101 | { |
| 1102 | __le32 *image; |
| 1103 | u32 len; |
| 1104 | int ret; |
| 1105 | |
| 1106 | /* Try bootstrap */ |
| 1107 | image = (__le32 *)priv->ucode_boot.v_addr; |
| 1108 | len = priv->ucode_boot.len; |
| 1109 | ret = iwlcore_verify_inst_sparse(priv, image, len); |
| 1110 | if (!ret) { |
| 1111 | IWL_DEBUG_INFO("Bootstrap uCode is good in inst SRAM\n"); |
| 1112 | return 0; |
| 1113 | } |
| 1114 | |
| 1115 | /* Try initialize */ |
| 1116 | image = (__le32 *)priv->ucode_init.v_addr; |
| 1117 | len = priv->ucode_init.len; |
| 1118 | ret = iwlcore_verify_inst_sparse(priv, image, len); |
| 1119 | if (!ret) { |
| 1120 | IWL_DEBUG_INFO("Initialize uCode is good in inst SRAM\n"); |
| 1121 | return 0; |
| 1122 | } |
| 1123 | |
| 1124 | /* Try runtime/protocol */ |
| 1125 | image = (__le32 *)priv->ucode_code.v_addr; |
| 1126 | len = priv->ucode_code.len; |
| 1127 | ret = iwlcore_verify_inst_sparse(priv, image, len); |
| 1128 | if (!ret) { |
| 1129 | IWL_DEBUG_INFO("Runtime uCode is good in inst SRAM\n"); |
| 1130 | return 0; |
| 1131 | } |
| 1132 | |
| 1133 | IWL_ERROR("NO VALID UCODE IMAGE IN INSTRUCTION SRAM!!\n"); |
| 1134 | |
| 1135 | /* Since nothing seems to match, show first several data entries in |
| 1136 | * instruction SRAM, so maybe visual inspection will give a clue. |
| 1137 | * Selection of bootstrap image (vs. other images) is arbitrary. */ |
| 1138 | image = (__le32 *)priv->ucode_boot.v_addr; |
| 1139 | len = priv->ucode_boot.len; |
| 1140 | ret = iwl_verify_inst_full(priv, image, len); |
| 1141 | |
| 1142 | return ret; |
| 1143 | } |
| 1144 | EXPORT_SYMBOL(iwl_verify_ucode); |
| 1145 | |
Ester Kummer | 189a2b5 | 2008-05-15 13:54:18 +0800 | [diff] [blame] | 1146 | |
Ester Kummer | ede0cba | 2008-05-29 16:34:46 +0800 | [diff] [blame] | 1147 | static const char *desc_lookup(int i) |
| 1148 | { |
| 1149 | switch (i) { |
| 1150 | case 1: |
| 1151 | return "FAIL"; |
| 1152 | case 2: |
| 1153 | return "BAD_PARAM"; |
| 1154 | case 3: |
| 1155 | return "BAD_CHECKSUM"; |
| 1156 | case 4: |
| 1157 | return "NMI_INTERRUPT"; |
| 1158 | case 5: |
| 1159 | return "SYSASSERT"; |
| 1160 | case 6: |
| 1161 | return "FATAL_ERROR"; |
| 1162 | } |
| 1163 | |
| 1164 | return "UNKNOWN"; |
| 1165 | } |
| 1166 | |
| 1167 | #define ERROR_START_OFFSET (1 * sizeof(u32)) |
| 1168 | #define ERROR_ELEM_SIZE (7 * sizeof(u32)) |
| 1169 | |
| 1170 | void iwl_dump_nic_error_log(struct iwl_priv *priv) |
| 1171 | { |
| 1172 | u32 data2, line; |
| 1173 | u32 desc, time, count, base, data1; |
| 1174 | u32 blink1, blink2, ilink1, ilink2; |
Gregory Greenman | e1dfc08 | 2008-05-29 16:34:48 +0800 | [diff] [blame] | 1175 | int ret; |
Ester Kummer | ede0cba | 2008-05-29 16:34:46 +0800 | [diff] [blame] | 1176 | |
Gregory Greenman | e1dfc08 | 2008-05-29 16:34:48 +0800 | [diff] [blame] | 1177 | if (priv->ucode_type == UCODE_INIT) |
| 1178 | base = le32_to_cpu(priv->card_alive_init.error_event_table_ptr); |
| 1179 | else |
| 1180 | base = le32_to_cpu(priv->card_alive.error_event_table_ptr); |
Ester Kummer | ede0cba | 2008-05-29 16:34:46 +0800 | [diff] [blame] | 1181 | |
| 1182 | if (!priv->cfg->ops->lib->is_valid_rtc_data_addr(base)) { |
| 1183 | IWL_ERROR("Not valid error log pointer 0x%08X\n", base); |
| 1184 | return; |
| 1185 | } |
| 1186 | |
Gregory Greenman | e1dfc08 | 2008-05-29 16:34:48 +0800 | [diff] [blame] | 1187 | ret = iwl_grab_nic_access(priv); |
| 1188 | if (ret) { |
Ester Kummer | ede0cba | 2008-05-29 16:34:46 +0800 | [diff] [blame] | 1189 | IWL_WARNING("Can not read from adapter at this time.\n"); |
| 1190 | return; |
| 1191 | } |
| 1192 | |
| 1193 | count = iwl_read_targ_mem(priv, base); |
| 1194 | |
| 1195 | if (ERROR_START_OFFSET <= count * ERROR_ELEM_SIZE) { |
| 1196 | IWL_ERROR("Start IWL Error Log Dump:\n"); |
| 1197 | IWL_ERROR("Status: 0x%08lX, count: %d\n", priv->status, count); |
| 1198 | } |
| 1199 | |
| 1200 | desc = iwl_read_targ_mem(priv, base + 1 * sizeof(u32)); |
| 1201 | blink1 = iwl_read_targ_mem(priv, base + 3 * sizeof(u32)); |
| 1202 | blink2 = iwl_read_targ_mem(priv, base + 4 * sizeof(u32)); |
| 1203 | ilink1 = iwl_read_targ_mem(priv, base + 5 * sizeof(u32)); |
| 1204 | ilink2 = iwl_read_targ_mem(priv, base + 6 * sizeof(u32)); |
| 1205 | data1 = iwl_read_targ_mem(priv, base + 7 * sizeof(u32)); |
| 1206 | data2 = iwl_read_targ_mem(priv, base + 8 * sizeof(u32)); |
| 1207 | line = iwl_read_targ_mem(priv, base + 9 * sizeof(u32)); |
| 1208 | time = iwl_read_targ_mem(priv, base + 11 * sizeof(u32)); |
| 1209 | |
| 1210 | IWL_ERROR("Desc Time " |
| 1211 | "data1 data2 line\n"); |
| 1212 | IWL_ERROR("%-13s (#%d) %010u 0x%08X 0x%08X %u\n", |
| 1213 | desc_lookup(desc), desc, time, data1, data2, line); |
| 1214 | IWL_ERROR("blink1 blink2 ilink1 ilink2\n"); |
| 1215 | IWL_ERROR("0x%05X 0x%05X 0x%05X 0x%05X\n", blink1, blink2, |
| 1216 | ilink1, ilink2); |
| 1217 | |
| 1218 | iwl_release_nic_access(priv); |
| 1219 | } |
| 1220 | EXPORT_SYMBOL(iwl_dump_nic_error_log); |
| 1221 | |
Ester Kummer | 189a2b5 | 2008-05-15 13:54:18 +0800 | [diff] [blame] | 1222 | #define EVENT_START_OFFSET (4 * sizeof(u32)) |
| 1223 | |
| 1224 | /** |
| 1225 | * iwl_print_event_log - Dump error event log to syslog |
| 1226 | * |
| 1227 | * NOTE: Must be called with iwl4965_grab_nic_access() already obtained! |
| 1228 | */ |
| 1229 | void iwl_print_event_log(struct iwl_priv *priv, u32 start_idx, |
| 1230 | u32 num_events, u32 mode) |
| 1231 | { |
| 1232 | u32 i; |
| 1233 | u32 base; /* SRAM byte address of event log header */ |
| 1234 | u32 event_size; /* 2 u32s, or 3 u32s if timestamp recorded */ |
| 1235 | u32 ptr; /* SRAM byte address of log data */ |
| 1236 | u32 ev, time, data; /* event log data */ |
| 1237 | |
| 1238 | if (num_events == 0) |
| 1239 | return; |
Gregory Greenman | e1dfc08 | 2008-05-29 16:34:48 +0800 | [diff] [blame] | 1240 | if (priv->ucode_type == UCODE_INIT) |
| 1241 | base = le32_to_cpu(priv->card_alive_init.log_event_table_ptr); |
| 1242 | else |
| 1243 | base = le32_to_cpu(priv->card_alive.log_event_table_ptr); |
Ester Kummer | 189a2b5 | 2008-05-15 13:54:18 +0800 | [diff] [blame] | 1244 | |
| 1245 | if (mode == 0) |
| 1246 | event_size = 2 * sizeof(u32); |
| 1247 | else |
| 1248 | event_size = 3 * sizeof(u32); |
| 1249 | |
| 1250 | ptr = base + EVENT_START_OFFSET + (start_idx * event_size); |
| 1251 | |
| 1252 | /* "time" is actually "data" for mode 0 (no timestamp). |
| 1253 | * place event id # at far right for easier visual parsing. */ |
| 1254 | for (i = 0; i < num_events; i++) { |
| 1255 | ev = iwl_read_targ_mem(priv, ptr); |
| 1256 | ptr += sizeof(u32); |
| 1257 | time = iwl_read_targ_mem(priv, ptr); |
| 1258 | ptr += sizeof(u32); |
Tomas Winkler | 77c5d08 | 2008-06-12 09:47:02 +0800 | [diff] [blame] | 1259 | if (mode == 0) { |
| 1260 | /* data, ev */ |
| 1261 | IWL_ERROR("EVT_LOG:0x%08x:%04u\n", time, ev); |
| 1262 | } else { |
Ester Kummer | 189a2b5 | 2008-05-15 13:54:18 +0800 | [diff] [blame] | 1263 | data = iwl_read_targ_mem(priv, ptr); |
| 1264 | ptr += sizeof(u32); |
Tomas Winkler | 77c5d08 | 2008-06-12 09:47:02 +0800 | [diff] [blame] | 1265 | IWL_ERROR("EVT_LOGT:%010u:0x%08x:%04u\n", |
| 1266 | time, data, ev); |
Ester Kummer | 189a2b5 | 2008-05-15 13:54:18 +0800 | [diff] [blame] | 1267 | } |
| 1268 | } |
| 1269 | } |
| 1270 | EXPORT_SYMBOL(iwl_print_event_log); |
| 1271 | |
| 1272 | |
| 1273 | void iwl_dump_nic_event_log(struct iwl_priv *priv) |
| 1274 | { |
Gregory Greenman | e1dfc08 | 2008-05-29 16:34:48 +0800 | [diff] [blame] | 1275 | int ret; |
Ester Kummer | 189a2b5 | 2008-05-15 13:54:18 +0800 | [diff] [blame] | 1276 | u32 base; /* SRAM byte address of event log header */ |
| 1277 | u32 capacity; /* event log capacity in # entries */ |
| 1278 | u32 mode; /* 0 - no timestamp, 1 - timestamp recorded */ |
| 1279 | u32 num_wraps; /* # times uCode wrapped to top of log */ |
| 1280 | u32 next_entry; /* index of next entry to be written by uCode */ |
| 1281 | u32 size; /* # entries that we'll print */ |
| 1282 | |
Gregory Greenman | e1dfc08 | 2008-05-29 16:34:48 +0800 | [diff] [blame] | 1283 | if (priv->ucode_type == UCODE_INIT) |
| 1284 | base = le32_to_cpu(priv->card_alive_init.log_event_table_ptr); |
| 1285 | else |
| 1286 | base = le32_to_cpu(priv->card_alive.log_event_table_ptr); |
| 1287 | |
Ester Kummer | 189a2b5 | 2008-05-15 13:54:18 +0800 | [diff] [blame] | 1288 | if (!priv->cfg->ops->lib->is_valid_rtc_data_addr(base)) { |
| 1289 | IWL_ERROR("Invalid event log pointer 0x%08X\n", base); |
| 1290 | return; |
| 1291 | } |
| 1292 | |
Gregory Greenman | e1dfc08 | 2008-05-29 16:34:48 +0800 | [diff] [blame] | 1293 | ret = iwl_grab_nic_access(priv); |
| 1294 | if (ret) { |
Ester Kummer | 189a2b5 | 2008-05-15 13:54:18 +0800 | [diff] [blame] | 1295 | IWL_WARNING("Can not read from adapter at this time.\n"); |
| 1296 | return; |
| 1297 | } |
| 1298 | |
| 1299 | /* event log header */ |
| 1300 | capacity = iwl_read_targ_mem(priv, base); |
| 1301 | mode = iwl_read_targ_mem(priv, base + (1 * sizeof(u32))); |
| 1302 | num_wraps = iwl_read_targ_mem(priv, base + (2 * sizeof(u32))); |
| 1303 | next_entry = iwl_read_targ_mem(priv, base + (3 * sizeof(u32))); |
| 1304 | |
| 1305 | size = num_wraps ? capacity : next_entry; |
| 1306 | |
| 1307 | /* bail out if nothing in log */ |
| 1308 | if (size == 0) { |
| 1309 | IWL_ERROR("Start IWL Event Log Dump: nothing in log\n"); |
| 1310 | iwl_release_nic_access(priv); |
| 1311 | return; |
| 1312 | } |
| 1313 | |
| 1314 | IWL_ERROR("Start IWL Event Log Dump: display count %d, wraps %d\n", |
| 1315 | size, num_wraps); |
| 1316 | |
| 1317 | /* if uCode has wrapped back to top of log, start at the oldest entry, |
| 1318 | * i.e the next one that uCode would fill. */ |
| 1319 | if (num_wraps) |
| 1320 | iwl_print_event_log(priv, next_entry, |
| 1321 | capacity - next_entry, mode); |
| 1322 | /* (then/else) start at top of log */ |
| 1323 | iwl_print_event_log(priv, 0, next_entry, mode); |
| 1324 | |
| 1325 | iwl_release_nic_access(priv); |
| 1326 | } |
| 1327 | EXPORT_SYMBOL(iwl_dump_nic_event_log); |
| 1328 | |
Emmanuel Grumbach | 47f4a58 | 2008-06-12 09:47:13 +0800 | [diff] [blame^] | 1329 | void iwl_rf_kill_ct_config(struct iwl_priv *priv) |
| 1330 | { |
| 1331 | struct iwl_ct_kill_config cmd; |
| 1332 | unsigned long flags; |
| 1333 | int ret = 0; |
Ester Kummer | 189a2b5 | 2008-05-15 13:54:18 +0800 | [diff] [blame] | 1334 | |
Emmanuel Grumbach | 47f4a58 | 2008-06-12 09:47:13 +0800 | [diff] [blame^] | 1335 | spin_lock_irqsave(&priv->lock, flags); |
| 1336 | iwl_write32(priv, CSR_UCODE_DRV_GP1_CLR, |
| 1337 | CSR_UCODE_DRV_GP1_REG_BIT_CT_KILL_EXIT); |
| 1338 | spin_unlock_irqrestore(&priv->lock, flags); |
| 1339 | |
| 1340 | cmd.critical_temperature_R = |
| 1341 | cpu_to_le32(priv->hw_params.ct_kill_threshold); |
| 1342 | |
| 1343 | ret = iwl_send_cmd_pdu(priv, REPLY_CT_KILL_CONFIG_CMD, |
| 1344 | sizeof(cmd), &cmd); |
| 1345 | if (ret) |
| 1346 | IWL_ERROR("REPLY_CT_KILL_CONFIG_CMD failed\n"); |
| 1347 | else |
| 1348 | IWL_DEBUG_INFO("REPLY_CT_KILL_CONFIG_CMD succeeded, " |
| 1349 | "critical temperature is %d\n", |
| 1350 | cmd.critical_temperature_R); |
| 1351 | } |
| 1352 | EXPORT_SYMBOL(iwl_rf_kill_ct_config); |