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 | * |
Reinette Chatre | 01f8162 | 2009-01-08 10:20:02 -0800 | [diff] [blame] | 5 | * Copyright(c) 2008 - 2009 Intel Corporation. All rights reserved. |
Tomas Winkler | df48c32 | 2008-03-06 10:40:19 -0800 | [diff] [blame] | 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: |
Winkler, Tomas | 759ef89 | 2008-12-09 11:28:58 -0800 | [diff] [blame] | 25 | * Intel Linux Wireless <ilw@linux.intel.com> |
Tomas Winkler | df48c32 | 2008-03-06 10:40:19 -0800 | [diff] [blame] | 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> |
Samuel Ortiz | 8ccde88 | 2009-01-27 14:27:52 -0800 | [diff] [blame] | 31 | #include <linux/etherdevice.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 | |
Assaf Krauss | 6bc913b | 2008-03-11 16:17:18 -0700 | [diff] [blame] | 34 | #include "iwl-eeprom.h" |
Tomas Winkler | 3e0d4cb | 2008-04-24 11:55:38 -0700 | [diff] [blame] | 35 | #include "iwl-dev.h" /* FIXME: remove */ |
Winkler, Tomas | 19335774 | 2008-11-07 09:58:36 -0800 | [diff] [blame] | 36 | #include "iwl-debug.h" |
Tomas Winkler | df48c32 | 2008-03-06 10:40:19 -0800 | [diff] [blame] | 37 | #include "iwl-core.h" |
Tomas Winkler | b661c81 | 2008-04-23 17:14:54 -0700 | [diff] [blame] | 38 | #include "iwl-io.h" |
Mohamed Abbas | 5da4b55 | 2008-04-21 15:41:51 -0700 | [diff] [blame] | 39 | #include "iwl-power.h" |
Winkler, Tomas | 83dde8c | 2008-11-19 15:32:23 -0800 | [diff] [blame] | 40 | #include "iwl-sta.h" |
Mohamed Abbas | ef850d7 | 2009-05-22 11:01:50 -0700 | [diff] [blame] | 41 | #include "iwl-helpers.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); |
Tomas Winkler | a7b7520 | 2008-12-11 10:33:41 -0800 | [diff] [blame] | 46 | MODULE_AUTHOR(DRV_COPYRIGHT " " DRV_AUTHOR); |
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 | |
Reinette Chatre | a562a9d | 2009-07-17 09:30:24 -0700 | [diff] [blame] | 62 | u32 iwl_debug_level; |
| 63 | EXPORT_SYMBOL(iwl_debug_level); |
| 64 | |
Mohamed Abbas | ef850d7 | 2009-05-22 11:01:50 -0700 | [diff] [blame] | 65 | static irqreturn_t iwl_isr(int irq, void *data); |
| 66 | |
Ron Rindjunsky | c7de35c | 2008-04-23 17:15:05 -0700 | [diff] [blame] | 67 | /* |
| 68 | * Parameter order: |
| 69 | * rate, ht rate, prev rate, next rate, prev tgg rate, next tgg rate |
| 70 | * |
| 71 | * If there isn't a valid next or previous rate then INV is used which |
| 72 | * maps to IWL_RATE_INVALID |
| 73 | * |
| 74 | */ |
Tomas Winkler | 1826dcc | 2008-05-15 13:54:02 +0800 | [diff] [blame] | 75 | const struct iwl_rate_info iwl_rates[IWL_RATE_COUNT] = { |
Ron Rindjunsky | c7de35c | 2008-04-23 17:15:05 -0700 | [diff] [blame] | 76 | IWL_DECLARE_RATE_INFO(1, INV, INV, 2, INV, 2, INV, 2), /* 1mbps */ |
| 77 | IWL_DECLARE_RATE_INFO(2, INV, 1, 5, 1, 5, 1, 5), /* 2mbps */ |
| 78 | IWL_DECLARE_RATE_INFO(5, INV, 2, 6, 2, 11, 2, 11), /*5.5mbps */ |
| 79 | IWL_DECLARE_RATE_INFO(11, INV, 9, 12, 9, 12, 5, 18), /* 11mbps */ |
| 80 | IWL_DECLARE_RATE_INFO(6, 6, 5, 9, 5, 11, 5, 11), /* 6mbps */ |
| 81 | IWL_DECLARE_RATE_INFO(9, 6, 6, 11, 6, 11, 5, 11), /* 9mbps */ |
| 82 | IWL_DECLARE_RATE_INFO(12, 12, 11, 18, 11, 18, 11, 18), /* 12mbps */ |
| 83 | IWL_DECLARE_RATE_INFO(18, 18, 12, 24, 12, 24, 11, 24), /* 18mbps */ |
| 84 | IWL_DECLARE_RATE_INFO(24, 24, 18, 36, 18, 36, 18, 36), /* 24mbps */ |
| 85 | IWL_DECLARE_RATE_INFO(36, 36, 24, 48, 24, 48, 24, 48), /* 36mbps */ |
| 86 | IWL_DECLARE_RATE_INFO(48, 48, 36, 54, 36, 54, 36, 54), /* 48mbps */ |
| 87 | IWL_DECLARE_RATE_INFO(54, 54, 48, INV, 48, INV, 48, INV),/* 54mbps */ |
| 88 | IWL_DECLARE_RATE_INFO(60, 60, 48, INV, 48, INV, 48, INV),/* 60mbps */ |
| 89 | /* FIXME:RS: ^^ should be INV (legacy) */ |
| 90 | }; |
Tomas Winkler | 1826dcc | 2008-05-15 13:54:02 +0800 | [diff] [blame] | 91 | EXPORT_SYMBOL(iwl_rates); |
Ron Rindjunsky | c7de35c | 2008-04-23 17:15:05 -0700 | [diff] [blame] | 92 | |
Tomas Winkler | e7d326a | 2008-06-12 09:47:11 +0800 | [diff] [blame] | 93 | /** |
| 94 | * translate ucode response to mac80211 tx status control values |
| 95 | */ |
| 96 | void iwl_hwrate_to_tx_control(struct iwl_priv *priv, u32 rate_n_flags, |
Johannes Berg | e6a9854 | 2008-10-21 12:40:02 +0200 | [diff] [blame] | 97 | struct ieee80211_tx_info *info) |
Tomas Winkler | e7d326a | 2008-06-12 09:47:11 +0800 | [diff] [blame] | 98 | { |
| 99 | int rate_index; |
Johannes Berg | e6a9854 | 2008-10-21 12:40:02 +0200 | [diff] [blame] | 100 | struct ieee80211_tx_rate *r = &info->control.rates[0]; |
Tomas Winkler | e7d326a | 2008-06-12 09:47:11 +0800 | [diff] [blame] | 101 | |
Johannes Berg | e6a9854 | 2008-10-21 12:40:02 +0200 | [diff] [blame] | 102 | info->antenna_sel_tx = |
Tomas Winkler | e7d326a | 2008-06-12 09:47:11 +0800 | [diff] [blame] | 103 | ((rate_n_flags & RATE_MCS_ANT_ABC_MSK) >> RATE_MCS_ANT_POS); |
| 104 | if (rate_n_flags & RATE_MCS_HT_MSK) |
Johannes Berg | e6a9854 | 2008-10-21 12:40:02 +0200 | [diff] [blame] | 105 | r->flags |= IEEE80211_TX_RC_MCS; |
Tomas Winkler | e7d326a | 2008-06-12 09:47:11 +0800 | [diff] [blame] | 106 | if (rate_n_flags & RATE_MCS_GF_MSK) |
Johannes Berg | e6a9854 | 2008-10-21 12:40:02 +0200 | [diff] [blame] | 107 | r->flags |= IEEE80211_TX_RC_GREEN_FIELD; |
Tomas Winkler | e7d326a | 2008-06-12 09:47:11 +0800 | [diff] [blame] | 108 | if (rate_n_flags & RATE_MCS_FAT_MSK) |
Johannes Berg | e6a9854 | 2008-10-21 12:40:02 +0200 | [diff] [blame] | 109 | r->flags |= IEEE80211_TX_RC_40_MHZ_WIDTH; |
Tomas Winkler | e7d326a | 2008-06-12 09:47:11 +0800 | [diff] [blame] | 110 | if (rate_n_flags & RATE_MCS_DUP_MSK) |
Johannes Berg | e6a9854 | 2008-10-21 12:40:02 +0200 | [diff] [blame] | 111 | r->flags |= IEEE80211_TX_RC_DUP_DATA; |
Tomas Winkler | e7d326a | 2008-06-12 09:47:11 +0800 | [diff] [blame] | 112 | if (rate_n_flags & RATE_MCS_SGI_MSK) |
Johannes Berg | e6a9854 | 2008-10-21 12:40:02 +0200 | [diff] [blame] | 113 | r->flags |= IEEE80211_TX_RC_SHORT_GI; |
Tomas Winkler | e7d326a | 2008-06-12 09:47:11 +0800 | [diff] [blame] | 114 | rate_index = iwl_hwrate_to_plcp_idx(rate_n_flags); |
Johannes Berg | e6a9854 | 2008-10-21 12:40:02 +0200 | [diff] [blame] | 115 | if (info->band == IEEE80211_BAND_5GHZ) |
Tomas Winkler | e7d326a | 2008-06-12 09:47:11 +0800 | [diff] [blame] | 116 | rate_index -= IWL_FIRST_OFDM_RATE; |
Johannes Berg | e6a9854 | 2008-10-21 12:40:02 +0200 | [diff] [blame] | 117 | r->idx = rate_index; |
Tomas Winkler | e7d326a | 2008-06-12 09:47:11 +0800 | [diff] [blame] | 118 | } |
| 119 | EXPORT_SYMBOL(iwl_hwrate_to_tx_control); |
| 120 | |
| 121 | int iwl_hwrate_to_plcp_idx(u32 rate_n_flags) |
| 122 | { |
| 123 | int idx = 0; |
| 124 | |
| 125 | /* HT rate format */ |
| 126 | if (rate_n_flags & RATE_MCS_HT_MSK) { |
| 127 | idx = (rate_n_flags & 0xff); |
| 128 | |
Daniel C. Halperin | 60d3221 | 2008-10-23 23:48:53 -0700 | [diff] [blame] | 129 | if (idx >= IWL_RATE_MIMO3_6M_PLCP) |
| 130 | idx = idx - IWL_RATE_MIMO3_6M_PLCP; |
| 131 | else if (idx >= IWL_RATE_MIMO2_6M_PLCP) |
Tomas Winkler | e7d326a | 2008-06-12 09:47:11 +0800 | [diff] [blame] | 132 | idx = idx - IWL_RATE_MIMO2_6M_PLCP; |
| 133 | |
| 134 | idx += IWL_FIRST_OFDM_RATE; |
| 135 | /* skip 9M not supported in ht*/ |
| 136 | if (idx >= IWL_RATE_9M_INDEX) |
| 137 | idx += 1; |
| 138 | if ((idx >= IWL_FIRST_OFDM_RATE) && (idx <= IWL_LAST_OFDM_RATE)) |
| 139 | return idx; |
| 140 | |
| 141 | /* legacy rate format, search for match in table */ |
| 142 | } else { |
| 143 | for (idx = 0; idx < ARRAY_SIZE(iwl_rates); idx++) |
| 144 | if (iwl_rates[idx].plcp == (rate_n_flags & 0xFF)) |
| 145 | return idx; |
| 146 | } |
| 147 | |
| 148 | return -1; |
| 149 | } |
| 150 | EXPORT_SYMBOL(iwl_hwrate_to_plcp_idx); |
| 151 | |
Tomas Winkler | 76eff18 | 2008-10-14 12:32:45 -0700 | [diff] [blame] | 152 | u8 iwl_toggle_tx_ant(struct iwl_priv *priv, u8 ant) |
| 153 | { |
| 154 | int i; |
| 155 | u8 ind = ant; |
| 156 | for (i = 0; i < RATE_ANT_NUM - 1; i++) { |
| 157 | ind = (ind + 1) < RATE_ANT_NUM ? ind + 1 : 0; |
| 158 | if (priv->hw_params.valid_tx_ant & BIT(ind)) |
| 159 | return ind; |
| 160 | } |
| 161 | return ant; |
| 162 | } |
Tomas Winkler | 57bd1be | 2008-05-15 13:54:03 +0800 | [diff] [blame] | 163 | |
| 164 | const u8 iwl_bcast_addr[ETH_ALEN] = { 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF }; |
| 165 | EXPORT_SYMBOL(iwl_bcast_addr); |
| 166 | |
| 167 | |
Assaf Krauss | 1d0a082 | 2008-03-14 10:38:48 -0700 | [diff] [blame] | 168 | /* This function both allocates and initializes hw and priv. */ |
| 169 | struct ieee80211_hw *iwl_alloc_all(struct iwl_cfg *cfg, |
| 170 | struct ieee80211_ops *hw_ops) |
| 171 | { |
| 172 | struct iwl_priv *priv; |
| 173 | |
| 174 | /* mac80211 allocates memory for this device instance, including |
| 175 | * space for this driver's private structure */ |
| 176 | struct ieee80211_hw *hw = |
| 177 | ieee80211_alloc_hw(sizeof(struct iwl_priv), hw_ops); |
| 178 | if (hw == NULL) { |
Samuel Ortiz | a3139c5 | 2008-12-19 10:37:09 +0800 | [diff] [blame] | 179 | printk(KERN_ERR "%s: Can not allocate network device\n", |
| 180 | cfg->name); |
Assaf Krauss | 1d0a082 | 2008-03-14 10:38:48 -0700 | [diff] [blame] | 181 | goto out; |
| 182 | } |
| 183 | |
| 184 | priv = hw->priv; |
| 185 | priv->hw = hw; |
| 186 | |
| 187 | out: |
| 188 | return hw; |
| 189 | } |
| 190 | EXPORT_SYMBOL(iwl_alloc_all); |
| 191 | |
Tomas Winkler | b661c81 | 2008-04-23 17:14:54 -0700 | [diff] [blame] | 192 | void iwl_hw_detect(struct iwl_priv *priv) |
| 193 | { |
| 194 | priv->hw_rev = _iwl_read32(priv, CSR_HW_REV); |
| 195 | priv->hw_wa_rev = _iwl_read32(priv, CSR_HW_REV_WA_REG); |
| 196 | pci_read_config_byte(priv->pci_dev, PCI_REVISION_ID, &priv->rev_id); |
| 197 | } |
| 198 | EXPORT_SYMBOL(iwl_hw_detect); |
| 199 | |
Ron Rindjunsky | 1053d35 | 2008-05-05 10:22:43 +0800 | [diff] [blame] | 200 | int iwl_hw_nic_init(struct iwl_priv *priv) |
| 201 | { |
| 202 | unsigned long flags; |
| 203 | struct iwl_rx_queue *rxq = &priv->rxq; |
| 204 | int ret; |
| 205 | |
| 206 | /* nic_init */ |
Ron Rindjunsky | 1053d35 | 2008-05-05 10:22:43 +0800 | [diff] [blame] | 207 | spin_lock_irqsave(&priv->lock, flags); |
Ron Rindjunsky | 1b73af8 | 2008-05-05 10:22:51 +0800 | [diff] [blame] | 208 | priv->cfg->ops->lib->apm_ops.init(priv); |
Ron Rindjunsky | 1053d35 | 2008-05-05 10:22:43 +0800 | [diff] [blame] | 209 | iwl_write32(priv, CSR_INT_COALESCING, 512 / 32); |
| 210 | spin_unlock_irqrestore(&priv->lock, flags); |
| 211 | |
| 212 | ret = priv->cfg->ops->lib->apm_ops.set_pwr_src(priv, IWL_PWR_SRC_VMAIN); |
| 213 | |
| 214 | priv->cfg->ops->lib->apm_ops.config(priv); |
| 215 | |
| 216 | /* Allocate the RX queue, or reset if it is already allocated */ |
| 217 | if (!rxq->bd) { |
| 218 | ret = iwl_rx_queue_alloc(priv); |
| 219 | if (ret) { |
Winkler, Tomas | 15b1687 | 2008-12-19 10:37:33 +0800 | [diff] [blame] | 220 | IWL_ERR(priv, "Unable to initialize Rx queue\n"); |
Ron Rindjunsky | 1053d35 | 2008-05-05 10:22:43 +0800 | [diff] [blame] | 221 | return -ENOMEM; |
| 222 | } |
| 223 | } else |
| 224 | iwl_rx_queue_reset(priv, rxq); |
| 225 | |
| 226 | iwl_rx_replenish(priv); |
| 227 | |
| 228 | iwl_rx_init(priv, rxq); |
| 229 | |
| 230 | spin_lock_irqsave(&priv->lock, flags); |
| 231 | |
| 232 | rxq->need_update = 1; |
| 233 | iwl_rx_queue_update_write_ptr(priv, rxq); |
| 234 | |
| 235 | spin_unlock_irqrestore(&priv->lock, flags); |
| 236 | |
| 237 | /* Allocate and init all Tx and Command queues */ |
| 238 | ret = iwl_txq_ctx_reset(priv); |
| 239 | if (ret) |
| 240 | return ret; |
| 241 | |
| 242 | set_bit(STATUS_INIT, &priv->status); |
| 243 | |
| 244 | return 0; |
| 245 | } |
| 246 | EXPORT_SYMBOL(iwl_hw_nic_init); |
| 247 | |
Abhijeet Kolekar | 14d2aac | 2009-02-27 16:21:24 -0800 | [diff] [blame] | 248 | /* |
| 249 | * QoS support |
| 250 | */ |
| 251 | void iwl_activate_qos(struct iwl_priv *priv, u8 force) |
| 252 | { |
| 253 | if (test_bit(STATUS_EXIT_PENDING, &priv->status)) |
| 254 | return; |
| 255 | |
| 256 | priv->qos_data.def_qos_parm.qos_flags = 0; |
| 257 | |
| 258 | if (priv->qos_data.qos_cap.q_AP.queue_request && |
| 259 | !priv->qos_data.qos_cap.q_AP.txop_request) |
| 260 | priv->qos_data.def_qos_parm.qos_flags |= |
| 261 | QOS_PARAM_FLG_TXOP_TYPE_MSK; |
| 262 | if (priv->qos_data.qos_active) |
| 263 | priv->qos_data.def_qos_parm.qos_flags |= |
| 264 | QOS_PARAM_FLG_UPDATE_EDCA_MSK; |
| 265 | |
| 266 | if (priv->current_ht_config.is_ht) |
| 267 | priv->qos_data.def_qos_parm.qos_flags |= QOS_PARAM_FLG_TGN_MSK; |
| 268 | |
| 269 | if (force || iwl_is_associated(priv)) { |
| 270 | IWL_DEBUG_QOS(priv, "send QoS cmd with Qos active=%d FLAGS=0x%X\n", |
| 271 | priv->qos_data.qos_active, |
| 272 | priv->qos_data.def_qos_parm.qos_flags); |
| 273 | |
| 274 | iwl_send_cmd_pdu_async(priv, REPLY_QOS_PARAM, |
| 275 | sizeof(struct iwl_qosparam_cmd), |
| 276 | &priv->qos_data.def_qos_parm, NULL); |
| 277 | } |
| 278 | } |
| 279 | EXPORT_SYMBOL(iwl_activate_qos); |
| 280 | |
Wey-Yi Guy | f2c95b0 | 2009-05-08 13:44:45 -0700 | [diff] [blame] | 281 | /* |
| 282 | * AC CWmin CW max AIFSN TXOP Limit TXOP Limit |
| 283 | * (802.11b) (802.11a/g) |
| 284 | * AC_BK 15 1023 7 0 0 |
| 285 | * AC_BE 15 1023 3 0 0 |
| 286 | * AC_VI 7 15 2 6.016ms 3.008ms |
| 287 | * AC_VO 3 7 2 3.264ms 1.504ms |
| 288 | */ |
Ron Rindjunsky | c7de35c | 2008-04-23 17:15:05 -0700 | [diff] [blame] | 289 | void iwl_reset_qos(struct iwl_priv *priv) |
Assaf Krauss | bf85ea4 | 2008-03-14 10:38:49 -0700 | [diff] [blame] | 290 | { |
| 291 | u16 cw_min = 15; |
| 292 | u16 cw_max = 1023; |
| 293 | u8 aifs = 2; |
Winkler, Tomas | 30dab79e | 2008-12-09 11:29:01 -0800 | [diff] [blame] | 294 | bool is_legacy = false; |
Assaf Krauss | bf85ea4 | 2008-03-14 10:38:49 -0700 | [diff] [blame] | 295 | unsigned long flags; |
| 296 | int i; |
| 297 | |
| 298 | spin_lock_irqsave(&priv->lock, flags); |
Winkler, Tomas | 30dab79e | 2008-12-09 11:29:01 -0800 | [diff] [blame] | 299 | /* QoS always active in AP and ADHOC mode |
| 300 | * In STA mode wait for association |
| 301 | */ |
| 302 | if (priv->iw_mode == NL80211_IFTYPE_ADHOC || |
| 303 | priv->iw_mode == NL80211_IFTYPE_AP) |
| 304 | priv->qos_data.qos_active = 1; |
| 305 | else |
| 306 | priv->qos_data.qos_active = 0; |
Assaf Krauss | bf85ea4 | 2008-03-14 10:38:49 -0700 | [diff] [blame] | 307 | |
Winkler, Tomas | 30dab79e | 2008-12-09 11:29:01 -0800 | [diff] [blame] | 308 | /* check for legacy mode */ |
| 309 | if ((priv->iw_mode == NL80211_IFTYPE_ADHOC && |
| 310 | (priv->active_rate & IWL_OFDM_RATES_MASK) == 0) || |
| 311 | (priv->iw_mode == NL80211_IFTYPE_STATION && |
| 312 | (priv->staging_rxon.flags & RXON_FLG_SHORT_SLOT_MSK) == 0)) { |
Assaf Krauss | bf85ea4 | 2008-03-14 10:38:49 -0700 | [diff] [blame] | 313 | cw_min = 31; |
| 314 | is_legacy = 1; |
| 315 | } |
| 316 | |
| 317 | if (priv->qos_data.qos_active) |
| 318 | aifs = 3; |
| 319 | |
Wey-Yi Guy | f2c95b0 | 2009-05-08 13:44:45 -0700 | [diff] [blame] | 320 | /* AC_BE */ |
Assaf Krauss | bf85ea4 | 2008-03-14 10:38:49 -0700 | [diff] [blame] | 321 | priv->qos_data.def_qos_parm.ac[0].cw_min = cpu_to_le16(cw_min); |
| 322 | priv->qos_data.def_qos_parm.ac[0].cw_max = cpu_to_le16(cw_max); |
| 323 | priv->qos_data.def_qos_parm.ac[0].aifsn = aifs; |
| 324 | priv->qos_data.def_qos_parm.ac[0].edca_txop = 0; |
| 325 | priv->qos_data.def_qos_parm.ac[0].reserved1 = 0; |
| 326 | |
| 327 | if (priv->qos_data.qos_active) { |
Wey-Yi Guy | f2c95b0 | 2009-05-08 13:44:45 -0700 | [diff] [blame] | 328 | /* AC_BK */ |
Assaf Krauss | bf85ea4 | 2008-03-14 10:38:49 -0700 | [diff] [blame] | 329 | i = 1; |
| 330 | priv->qos_data.def_qos_parm.ac[i].cw_min = cpu_to_le16(cw_min); |
| 331 | priv->qos_data.def_qos_parm.ac[i].cw_max = cpu_to_le16(cw_max); |
| 332 | priv->qos_data.def_qos_parm.ac[i].aifsn = 7; |
| 333 | priv->qos_data.def_qos_parm.ac[i].edca_txop = 0; |
| 334 | priv->qos_data.def_qos_parm.ac[i].reserved1 = 0; |
| 335 | |
Wey-Yi Guy | f2c95b0 | 2009-05-08 13:44:45 -0700 | [diff] [blame] | 336 | /* AC_VI */ |
Assaf Krauss | bf85ea4 | 2008-03-14 10:38:49 -0700 | [diff] [blame] | 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 = |
Wey-Yi Guy | f2c95b0 | 2009-05-08 13:44:45 -0700 | [diff] [blame] | 341 | cpu_to_le16(cw_min); |
Assaf Krauss | bf85ea4 | 2008-03-14 10:38:49 -0700 | [diff] [blame] | 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 | |
Wey-Yi Guy | f2c95b0 | 2009-05-08 13:44:45 -0700 | [diff] [blame] | 351 | /* AC_VO */ |
Assaf Krauss | bf85ea4 | 2008-03-14 10:38:49 -0700 | [diff] [blame] | 352 | i = 3; |
| 353 | priv->qos_data.def_qos_parm.ac[i].cw_min = |
| 354 | cpu_to_le16((cw_min + 1) / 4 - 1); |
| 355 | priv->qos_data.def_qos_parm.ac[i].cw_max = |
Wey-Yi Guy | f2c95b0 | 2009-05-08 13:44:45 -0700 | [diff] [blame] | 356 | cpu_to_le16((cw_min + 1) / 2 - 1); |
Assaf Krauss | bf85ea4 | 2008-03-14 10:38:49 -0700 | [diff] [blame] | 357 | priv->qos_data.def_qos_parm.ac[i].aifsn = 2; |
| 358 | priv->qos_data.def_qos_parm.ac[i].reserved1 = 0; |
| 359 | if (is_legacy) |
| 360 | priv->qos_data.def_qos_parm.ac[i].edca_txop = |
| 361 | cpu_to_le16(3264); |
| 362 | else |
| 363 | priv->qos_data.def_qos_parm.ac[i].edca_txop = |
| 364 | cpu_to_le16(1504); |
| 365 | } else { |
| 366 | for (i = 1; i < 4; i++) { |
| 367 | priv->qos_data.def_qos_parm.ac[i].cw_min = |
| 368 | cpu_to_le16(cw_min); |
| 369 | priv->qos_data.def_qos_parm.ac[i].cw_max = |
| 370 | cpu_to_le16(cw_max); |
| 371 | priv->qos_data.def_qos_parm.ac[i].aifsn = aifs; |
| 372 | priv->qos_data.def_qos_parm.ac[i].edca_txop = 0; |
| 373 | priv->qos_data.def_qos_parm.ac[i].reserved1 = 0; |
| 374 | } |
| 375 | } |
Tomas Winkler | e162344 | 2009-01-27 14:27:56 -0800 | [diff] [blame] | 376 | IWL_DEBUG_QOS(priv, "set QoS to default \n"); |
Assaf Krauss | bf85ea4 | 2008-03-14 10:38:49 -0700 | [diff] [blame] | 377 | |
| 378 | spin_unlock_irqrestore(&priv->lock, flags); |
| 379 | } |
Ron Rindjunsky | c7de35c | 2008-04-23 17:15:05 -0700 | [diff] [blame] | 380 | EXPORT_SYMBOL(iwl_reset_qos); |
| 381 | |
Johannes Berg | d9fe60d | 2008-10-09 12:13:49 +0200 | [diff] [blame] | 382 | #define MAX_BIT_RATE_40_MHZ 150 /* Mbps */ |
| 383 | #define MAX_BIT_RATE_20_MHZ 72 /* Mbps */ |
Ron Rindjunsky | c7de35c | 2008-04-23 17:15:05 -0700 | [diff] [blame] | 384 | static void iwlcore_init_ht_hw_capab(const struct iwl_priv *priv, |
Johannes Berg | d9fe60d | 2008-10-09 12:13:49 +0200 | [diff] [blame] | 385 | struct ieee80211_sta_ht_cap *ht_info, |
Ron Rindjunsky | c7de35c | 2008-04-23 17:15:05 -0700 | [diff] [blame] | 386 | enum ieee80211_band band) |
| 387 | { |
Ron Rindjunsky | 39130df | 2008-05-15 13:53:56 +0800 | [diff] [blame] | 388 | u16 max_bit_rate = 0; |
| 389 | u8 rx_chains_num = priv->hw_params.rx_chains_num; |
| 390 | u8 tx_chains_num = priv->hw_params.tx_chains_num; |
| 391 | |
Ron Rindjunsky | c7de35c | 2008-04-23 17:15:05 -0700 | [diff] [blame] | 392 | ht_info->cap = 0; |
Johannes Berg | d9fe60d | 2008-10-09 12:13:49 +0200 | [diff] [blame] | 393 | memset(&ht_info->mcs, 0, sizeof(ht_info->mcs)); |
Ron Rindjunsky | c7de35c | 2008-04-23 17:15:05 -0700 | [diff] [blame] | 394 | |
Johannes Berg | d9fe60d | 2008-10-09 12:13:49 +0200 | [diff] [blame] | 395 | ht_info->ht_supported = true; |
Ron Rindjunsky | c7de35c | 2008-04-23 17:15:05 -0700 | [diff] [blame] | 396 | |
Johannes Berg | d9fe60d | 2008-10-09 12:13:49 +0200 | [diff] [blame] | 397 | ht_info->cap |= IEEE80211_HT_CAP_GRN_FLD; |
| 398 | ht_info->cap |= IEEE80211_HT_CAP_SGI_20; |
| 399 | ht_info->cap |= (IEEE80211_HT_CAP_SM_PS & |
Tomas Winkler | 00c5ae2 | 2008-09-03 11:26:42 +0800 | [diff] [blame] | 400 | (WLAN_HT_CAP_SM_PS_DISABLED << 2)); |
Ron Rindjunsky | c7de35c | 2008-04-23 17:15:05 -0700 | [diff] [blame] | 401 | |
Ron Rindjunsky | 39130df | 2008-05-15 13:53:56 +0800 | [diff] [blame] | 402 | max_bit_rate = MAX_BIT_RATE_20_MHZ; |
| 403 | if (priv->hw_params.fat_channel & BIT(band)) { |
Johannes Berg | d9fe60d | 2008-10-09 12:13:49 +0200 | [diff] [blame] | 404 | ht_info->cap |= IEEE80211_HT_CAP_SUP_WIDTH_20_40; |
| 405 | ht_info->cap |= IEEE80211_HT_CAP_SGI_40; |
| 406 | ht_info->mcs.rx_mask[4] = 0x01; |
Ron Rindjunsky | 39130df | 2008-05-15 13:53:56 +0800 | [diff] [blame] | 407 | max_bit_rate = MAX_BIT_RATE_40_MHZ; |
| 408 | } |
| 409 | |
Ron Rindjunsky | c7de35c | 2008-04-23 17:15:05 -0700 | [diff] [blame] | 410 | if (priv->cfg->mod_params->amsdu_size_8K) |
Johannes Berg | d9fe60d | 2008-10-09 12:13:49 +0200 | [diff] [blame] | 411 | ht_info->cap |= IEEE80211_HT_CAP_MAX_AMSDU; |
Ron Rindjunsky | c7de35c | 2008-04-23 17:15:05 -0700 | [diff] [blame] | 412 | |
| 413 | ht_info->ampdu_factor = CFG_HT_RX_AMPDU_FACTOR_DEF; |
| 414 | ht_info->ampdu_density = CFG_HT_MPDU_DENSITY_DEF; |
| 415 | |
Johannes Berg | d9fe60d | 2008-10-09 12:13:49 +0200 | [diff] [blame] | 416 | ht_info->mcs.rx_mask[0] = 0xFF; |
Ron Rindjunsky | 39130df | 2008-05-15 13:53:56 +0800 | [diff] [blame] | 417 | if (rx_chains_num >= 2) |
Johannes Berg | d9fe60d | 2008-10-09 12:13:49 +0200 | [diff] [blame] | 418 | ht_info->mcs.rx_mask[1] = 0xFF; |
Ron Rindjunsky | 39130df | 2008-05-15 13:53:56 +0800 | [diff] [blame] | 419 | if (rx_chains_num >= 3) |
Johannes Berg | d9fe60d | 2008-10-09 12:13:49 +0200 | [diff] [blame] | 420 | ht_info->mcs.rx_mask[2] = 0xFF; |
Ron Rindjunsky | 39130df | 2008-05-15 13:53:56 +0800 | [diff] [blame] | 421 | |
| 422 | /* Highest supported Rx data rate */ |
| 423 | max_bit_rate *= rx_chains_num; |
Johannes Berg | d9fe60d | 2008-10-09 12:13:49 +0200 | [diff] [blame] | 424 | WARN_ON(max_bit_rate & ~IEEE80211_HT_MCS_RX_HIGHEST_MASK); |
| 425 | ht_info->mcs.rx_highest = cpu_to_le16(max_bit_rate); |
Ron Rindjunsky | 39130df | 2008-05-15 13:53:56 +0800 | [diff] [blame] | 426 | |
| 427 | /* Tx MCS capabilities */ |
Johannes Berg | d9fe60d | 2008-10-09 12:13:49 +0200 | [diff] [blame] | 428 | ht_info->mcs.tx_params = IEEE80211_HT_MCS_TX_DEFINED; |
Ron Rindjunsky | 39130df | 2008-05-15 13:53:56 +0800 | [diff] [blame] | 429 | if (tx_chains_num != rx_chains_num) { |
Johannes Berg | d9fe60d | 2008-10-09 12:13:49 +0200 | [diff] [blame] | 430 | ht_info->mcs.tx_params |= IEEE80211_HT_MCS_TX_RX_DIFF; |
| 431 | ht_info->mcs.tx_params |= ((tx_chains_num - 1) << |
| 432 | IEEE80211_HT_MCS_TX_MAX_STREAMS_SHIFT); |
Ron Rindjunsky | 39130df | 2008-05-15 13:53:56 +0800 | [diff] [blame] | 433 | } |
Ron Rindjunsky | c7de35c | 2008-04-23 17:15:05 -0700 | [diff] [blame] | 434 | } |
Ron Rindjunsky | c7de35c | 2008-04-23 17:15:05 -0700 | [diff] [blame] | 435 | |
| 436 | static void iwlcore_init_hw_rates(struct iwl_priv *priv, |
| 437 | struct ieee80211_rate *rates) |
| 438 | { |
| 439 | int i; |
| 440 | |
| 441 | for (i = 0; i < IWL_RATE_COUNT; i++) { |
Tomas Winkler | 1826dcc | 2008-05-15 13:54:02 +0800 | [diff] [blame] | 442 | rates[i].bitrate = iwl_rates[i].ieee * 5; |
Ron Rindjunsky | c7de35c | 2008-04-23 17:15:05 -0700 | [diff] [blame] | 443 | rates[i].hw_value = i; /* Rate scaling will work on indexes */ |
| 444 | rates[i].hw_value_short = i; |
| 445 | rates[i].flags = 0; |
| 446 | if ((i > IWL_LAST_OFDM_RATE) || (i < IWL_FIRST_OFDM_RATE)) { |
| 447 | /* |
| 448 | * If CCK != 1M then set short preamble rate flag. |
| 449 | */ |
| 450 | rates[i].flags |= |
Tomas Winkler | 1826dcc | 2008-05-15 13:54:02 +0800 | [diff] [blame] | 451 | (iwl_rates[i].plcp == IWL_RATE_1M_PLCP) ? |
Ron Rindjunsky | c7de35c | 2008-04-23 17:15:05 -0700 | [diff] [blame] | 452 | 0 : IEEE80211_RATE_SHORT_PREAMBLE; |
| 453 | } |
| 454 | } |
| 455 | } |
| 456 | |
Samuel Ortiz | 8ccde88 | 2009-01-27 14:27:52 -0800 | [diff] [blame] | 457 | |
Ron Rindjunsky | c7de35c | 2008-04-23 17:15:05 -0700 | [diff] [blame] | 458 | /** |
| 459 | * iwlcore_init_geos - Initialize mac80211's geo/channel info based from eeprom |
| 460 | */ |
Samuel Ortiz | 534166d | 2009-01-23 13:45:16 -0800 | [diff] [blame] | 461 | int iwlcore_init_geos(struct iwl_priv *priv) |
Ron Rindjunsky | c7de35c | 2008-04-23 17:15:05 -0700 | [diff] [blame] | 462 | { |
| 463 | struct iwl_channel_info *ch; |
| 464 | struct ieee80211_supported_band *sband; |
| 465 | struct ieee80211_channel *channels; |
| 466 | struct ieee80211_channel *geo_ch; |
| 467 | struct ieee80211_rate *rates; |
| 468 | int i = 0; |
| 469 | |
| 470 | if (priv->bands[IEEE80211_BAND_2GHZ].n_bitrates || |
| 471 | priv->bands[IEEE80211_BAND_5GHZ].n_bitrates) { |
Tomas Winkler | e162344 | 2009-01-27 14:27:56 -0800 | [diff] [blame] | 472 | IWL_DEBUG_INFO(priv, "Geography modes already initialized.\n"); |
Ron Rindjunsky | c7de35c | 2008-04-23 17:15:05 -0700 | [diff] [blame] | 473 | set_bit(STATUS_GEO_CONFIGURED, &priv->status); |
| 474 | return 0; |
| 475 | } |
| 476 | |
| 477 | channels = kzalloc(sizeof(struct ieee80211_channel) * |
| 478 | priv->channel_count, GFP_KERNEL); |
| 479 | if (!channels) |
| 480 | return -ENOMEM; |
| 481 | |
| 482 | rates = kzalloc((sizeof(struct ieee80211_rate) * (IWL_RATE_COUNT + 1)), |
| 483 | GFP_KERNEL); |
| 484 | if (!rates) { |
| 485 | kfree(channels); |
| 486 | return -ENOMEM; |
| 487 | } |
| 488 | |
| 489 | /* 5.2GHz channels start after the 2.4GHz channels */ |
| 490 | sband = &priv->bands[IEEE80211_BAND_5GHZ]; |
| 491 | sband->channels = &channels[ARRAY_SIZE(iwl_eeprom_band_1)]; |
| 492 | /* just OFDM */ |
| 493 | sband->bitrates = &rates[IWL_FIRST_OFDM_RATE]; |
| 494 | sband->n_bitrates = IWL_RATE_COUNT - IWL_FIRST_OFDM_RATE; |
| 495 | |
Ron Rindjunsky | 4977929 | 2008-06-30 17:23:21 +0800 | [diff] [blame] | 496 | if (priv->cfg->sku & IWL_SKU_N) |
Johannes Berg | d9fe60d | 2008-10-09 12:13:49 +0200 | [diff] [blame] | 497 | iwlcore_init_ht_hw_capab(priv, &sband->ht_cap, |
Ron Rindjunsky | 4977929 | 2008-06-30 17:23:21 +0800 | [diff] [blame] | 498 | IEEE80211_BAND_5GHZ); |
Ron Rindjunsky | c7de35c | 2008-04-23 17:15:05 -0700 | [diff] [blame] | 499 | |
| 500 | sband = &priv->bands[IEEE80211_BAND_2GHZ]; |
| 501 | sband->channels = channels; |
| 502 | /* OFDM & CCK */ |
| 503 | sband->bitrates = rates; |
| 504 | sband->n_bitrates = IWL_RATE_COUNT; |
| 505 | |
Ron Rindjunsky | 4977929 | 2008-06-30 17:23:21 +0800 | [diff] [blame] | 506 | if (priv->cfg->sku & IWL_SKU_N) |
Johannes Berg | d9fe60d | 2008-10-09 12:13:49 +0200 | [diff] [blame] | 507 | iwlcore_init_ht_hw_capab(priv, &sband->ht_cap, |
Ron Rindjunsky | 4977929 | 2008-06-30 17:23:21 +0800 | [diff] [blame] | 508 | IEEE80211_BAND_2GHZ); |
Ron Rindjunsky | c7de35c | 2008-04-23 17:15:05 -0700 | [diff] [blame] | 509 | |
| 510 | priv->ieee_channels = channels; |
| 511 | priv->ieee_rates = rates; |
| 512 | |
Ron Rindjunsky | c7de35c | 2008-04-23 17:15:05 -0700 | [diff] [blame] | 513 | for (i = 0; i < priv->channel_count; i++) { |
| 514 | ch = &priv->channel_info[i]; |
| 515 | |
| 516 | /* FIXME: might be removed if scan is OK */ |
| 517 | if (!is_channel_valid(ch)) |
| 518 | continue; |
| 519 | |
| 520 | if (is_channel_a_band(ch)) |
| 521 | sband = &priv->bands[IEEE80211_BAND_5GHZ]; |
| 522 | else |
| 523 | sband = &priv->bands[IEEE80211_BAND_2GHZ]; |
| 524 | |
| 525 | geo_ch = &sband->channels[sband->n_channels++]; |
| 526 | |
| 527 | geo_ch->center_freq = |
| 528 | ieee80211_channel_to_frequency(ch->channel); |
| 529 | geo_ch->max_power = ch->max_power_avg; |
| 530 | geo_ch->max_antenna_gain = 0xff; |
| 531 | geo_ch->hw_value = ch->channel; |
| 532 | |
| 533 | if (is_channel_valid(ch)) { |
| 534 | if (!(ch->flags & EEPROM_CHANNEL_IBSS)) |
| 535 | geo_ch->flags |= IEEE80211_CHAN_NO_IBSS; |
| 536 | |
| 537 | if (!(ch->flags & EEPROM_CHANNEL_ACTIVE)) |
| 538 | geo_ch->flags |= IEEE80211_CHAN_PASSIVE_SCAN; |
| 539 | |
| 540 | if (ch->flags & EEPROM_CHANNEL_RADAR) |
| 541 | geo_ch->flags |= IEEE80211_CHAN_RADAR; |
| 542 | |
Emmanuel Grumbach | 963f551 | 2008-06-12 09:47:00 +0800 | [diff] [blame] | 543 | geo_ch->flags |= ch->fat_extension_channel; |
Emmanuel Grumbach | 4d38c2e | 2008-05-29 16:35:24 +0800 | [diff] [blame] | 544 | |
Tomas Winkler | 630fe9b | 2008-06-12 09:47:08 +0800 | [diff] [blame] | 545 | if (ch->max_power_avg > priv->tx_power_channel_lmt) |
| 546 | priv->tx_power_channel_lmt = ch->max_power_avg; |
Ron Rindjunsky | c7de35c | 2008-04-23 17:15:05 -0700 | [diff] [blame] | 547 | } else { |
| 548 | geo_ch->flags |= IEEE80211_CHAN_DISABLED; |
| 549 | } |
| 550 | |
| 551 | /* Save flags for reg domain usage */ |
| 552 | geo_ch->orig_flags = geo_ch->flags; |
| 553 | |
Tomas Winkler | e162344 | 2009-01-27 14:27:56 -0800 | [diff] [blame] | 554 | IWL_DEBUG_INFO(priv, "Channel %d Freq=%d[%sGHz] %s flag=0x%X\n", |
Ron Rindjunsky | c7de35c | 2008-04-23 17:15:05 -0700 | [diff] [blame] | 555 | ch->channel, geo_ch->center_freq, |
| 556 | is_channel_a_band(ch) ? "5.2" : "2.4", |
| 557 | geo_ch->flags & IEEE80211_CHAN_DISABLED ? |
| 558 | "restricted" : "valid", |
| 559 | geo_ch->flags); |
| 560 | } |
| 561 | |
| 562 | if ((priv->bands[IEEE80211_BAND_5GHZ].n_channels == 0) && |
| 563 | priv->cfg->sku & IWL_SKU_A) { |
Tomas Winkler | 978785a | 2008-12-19 10:37:31 +0800 | [diff] [blame] | 564 | IWL_INFO(priv, "Incorrectly detected BG card as ABG. " |
| 565 | "Please send your PCI ID 0x%04X:0x%04X to maintainer.\n", |
Samuel Ortiz | a3139c5 | 2008-12-19 10:37:09 +0800 | [diff] [blame] | 566 | priv->pci_dev->device, |
| 567 | priv->pci_dev->subsystem_device); |
Ron Rindjunsky | c7de35c | 2008-04-23 17:15:05 -0700 | [diff] [blame] | 568 | priv->cfg->sku &= ~IWL_SKU_A; |
| 569 | } |
| 570 | |
Tomas Winkler | 978785a | 2008-12-19 10:37:31 +0800 | [diff] [blame] | 571 | IWL_INFO(priv, "Tunable channels: %d 802.11bg, %d 802.11a channels\n", |
Samuel Ortiz | a3139c5 | 2008-12-19 10:37:09 +0800 | [diff] [blame] | 572 | priv->bands[IEEE80211_BAND_2GHZ].n_channels, |
| 573 | priv->bands[IEEE80211_BAND_5GHZ].n_channels); |
Ron Rindjunsky | c7de35c | 2008-04-23 17:15:05 -0700 | [diff] [blame] | 574 | |
| 575 | set_bit(STATUS_GEO_CONFIGURED, &priv->status); |
| 576 | |
| 577 | return 0; |
| 578 | } |
Samuel Ortiz | 534166d | 2009-01-23 13:45:16 -0800 | [diff] [blame] | 579 | EXPORT_SYMBOL(iwlcore_init_geos); |
Ron Rindjunsky | c7de35c | 2008-04-23 17:15:05 -0700 | [diff] [blame] | 580 | |
| 581 | /* |
| 582 | * iwlcore_free_geos - undo allocations in iwlcore_init_geos |
| 583 | */ |
Samuel Ortiz | 534166d | 2009-01-23 13:45:16 -0800 | [diff] [blame] | 584 | void iwlcore_free_geos(struct iwl_priv *priv) |
Ron Rindjunsky | c7de35c | 2008-04-23 17:15:05 -0700 | [diff] [blame] | 585 | { |
| 586 | kfree(priv->ieee_channels); |
| 587 | kfree(priv->ieee_rates); |
| 588 | clear_bit(STATUS_GEO_CONFIGURED, &priv->status); |
| 589 | } |
Samuel Ortiz | 534166d | 2009-01-23 13:45:16 -0800 | [diff] [blame] | 590 | EXPORT_SYMBOL(iwlcore_free_geos); |
Ron Rindjunsky | c7de35c | 2008-04-23 17:15:05 -0700 | [diff] [blame] | 591 | |
Tomas Winkler | 28a6b07 | 2008-09-03 11:18:47 +0800 | [diff] [blame] | 592 | static bool is_single_rx_stream(struct iwl_priv *priv) |
Ron Rindjunsky | c7de35c | 2008-04-23 17:15:05 -0700 | [diff] [blame] | 593 | { |
| 594 | return !priv->current_ht_config.is_ht || |
Johannes Berg | d9fe60d | 2008-10-09 12:13:49 +0200 | [diff] [blame] | 595 | ((priv->current_ht_config.mcs.rx_mask[1] == 0) && |
| 596 | (priv->current_ht_config.mcs.rx_mask[2] == 0)); |
Ron Rindjunsky | c7de35c | 2008-04-23 17:15:05 -0700 | [diff] [blame] | 597 | } |
Emmanuel Grumbach | 963f551 | 2008-06-12 09:47:00 +0800 | [diff] [blame] | 598 | |
Tomas Winkler | 47c5196 | 2008-05-05 10:22:41 +0800 | [diff] [blame] | 599 | static u8 iwl_is_channel_extension(struct iwl_priv *priv, |
| 600 | enum ieee80211_band band, |
| 601 | u16 channel, u8 extension_chan_offset) |
| 602 | { |
| 603 | const struct iwl_channel_info *ch_info; |
| 604 | |
| 605 | ch_info = iwl_get_channel_info(priv, band, channel); |
| 606 | if (!is_channel_valid(ch_info)) |
| 607 | return 0; |
| 608 | |
Johannes Berg | d9fe60d | 2008-10-09 12:13:49 +0200 | [diff] [blame] | 609 | if (extension_chan_offset == IEEE80211_HT_PARAM_CHA_SEC_ABOVE) |
Emmanuel Grumbach | 963f551 | 2008-06-12 09:47:00 +0800 | [diff] [blame] | 610 | return !(ch_info->fat_extension_channel & |
Luis R. Rodriguez | 689da1b | 2009-05-02 00:37:18 -0400 | [diff] [blame] | 611 | IEEE80211_CHAN_NO_HT40PLUS); |
Johannes Berg | d9fe60d | 2008-10-09 12:13:49 +0200 | [diff] [blame] | 612 | else if (extension_chan_offset == IEEE80211_HT_PARAM_CHA_SEC_BELOW) |
Emmanuel Grumbach | 963f551 | 2008-06-12 09:47:00 +0800 | [diff] [blame] | 613 | return !(ch_info->fat_extension_channel & |
Luis R. Rodriguez | 689da1b | 2009-05-02 00:37:18 -0400 | [diff] [blame] | 614 | IEEE80211_CHAN_NO_HT40MINUS); |
Tomas Winkler | 47c5196 | 2008-05-05 10:22:41 +0800 | [diff] [blame] | 615 | |
| 616 | return 0; |
| 617 | } |
| 618 | |
| 619 | u8 iwl_is_fat_tx_allowed(struct iwl_priv *priv, |
Johannes Berg | d9fe60d | 2008-10-09 12:13:49 +0200 | [diff] [blame] | 620 | struct ieee80211_sta_ht_cap *sta_ht_inf) |
Tomas Winkler | 47c5196 | 2008-05-05 10:22:41 +0800 | [diff] [blame] | 621 | { |
| 622 | struct iwl_ht_info *iwl_ht_conf = &priv->current_ht_config; |
| 623 | |
| 624 | if ((!iwl_ht_conf->is_ht) || |
Wey-Yi Guy | a2b0f02 | 2009-05-22 11:01:49 -0700 | [diff] [blame] | 625 | (iwl_ht_conf->supported_chan_width != IWL_CHANNEL_WIDTH_40MHZ)) |
Tomas Winkler | 47c5196 | 2008-05-05 10:22:41 +0800 | [diff] [blame] | 626 | return 0; |
| 627 | |
Wey-Yi Guy | a2b0f02 | 2009-05-22 11:01:49 -0700 | [diff] [blame] | 628 | /* We do not check for IEEE80211_HT_CAP_SUP_WIDTH_20_40 |
| 629 | * the bit will not set if it is pure 40MHz case |
| 630 | */ |
Tomas Winkler | 47c5196 | 2008-05-05 10:22:41 +0800 | [diff] [blame] | 631 | if (sta_ht_inf) { |
Wey-Yi Guy | a2b0f02 | 2009-05-22 11:01:49 -0700 | [diff] [blame] | 632 | if (!sta_ht_inf->ht_supported) |
Tomas Winkler | 47c5196 | 2008-05-05 10:22:41 +0800 | [diff] [blame] | 633 | return 0; |
| 634 | } |
Wey-Yi Guy | 611d3eb | 2009-06-12 13:22:51 -0700 | [diff] [blame] | 635 | return iwl_is_channel_extension(priv, priv->band, |
| 636 | le16_to_cpu(priv->staging_rxon.channel), |
| 637 | iwl_ht_conf->extension_chan_offset); |
Tomas Winkler | 47c5196 | 2008-05-05 10:22:41 +0800 | [diff] [blame] | 638 | } |
| 639 | EXPORT_SYMBOL(iwl_is_fat_tx_allowed); |
| 640 | |
Tomas Winkler | 2c2f3b3 | 2009-06-19 13:52:45 -0700 | [diff] [blame] | 641 | static u16 iwl_adjust_beacon_interval(u16 beacon_val, u16 max_beacon_val) |
| 642 | { |
| 643 | u16 new_val = 0; |
| 644 | u16 beacon_factor = 0; |
| 645 | |
| 646 | beacon_factor = (beacon_val + max_beacon_val) / max_beacon_val; |
| 647 | new_val = beacon_val / beacon_factor; |
| 648 | |
| 649 | if (!new_val) |
| 650 | new_val = max_beacon_val; |
| 651 | |
| 652 | return new_val; |
| 653 | } |
| 654 | |
| 655 | void iwl_setup_rxon_timing(struct iwl_priv *priv) |
| 656 | { |
| 657 | u64 tsf; |
| 658 | s32 interval_tm, rem; |
| 659 | unsigned long flags; |
| 660 | struct ieee80211_conf *conf = NULL; |
| 661 | u16 beacon_int; |
| 662 | |
| 663 | conf = ieee80211_get_hw_conf(priv->hw); |
| 664 | |
| 665 | spin_lock_irqsave(&priv->lock, flags); |
| 666 | priv->rxon_timing.timestamp = cpu_to_le64(priv->timestamp); |
| 667 | priv->rxon_timing.listen_interval = cpu_to_le16(conf->listen_interval); |
| 668 | |
| 669 | if (priv->iw_mode == NL80211_IFTYPE_STATION) { |
| 670 | beacon_int = priv->beacon_int; |
| 671 | priv->rxon_timing.atim_window = 0; |
| 672 | } else { |
| 673 | beacon_int = priv->vif->bss_conf.beacon_int; |
| 674 | |
| 675 | /* TODO: we need to get atim_window from upper stack |
| 676 | * for now we set to 0 */ |
| 677 | priv->rxon_timing.atim_window = 0; |
| 678 | } |
| 679 | |
| 680 | beacon_int = iwl_adjust_beacon_interval(beacon_int, |
| 681 | priv->hw_params.max_beacon_itrvl * 1024); |
| 682 | priv->rxon_timing.beacon_interval = cpu_to_le16(beacon_int); |
| 683 | |
| 684 | tsf = priv->timestamp; /* tsf is modifed by do_div: copy it */ |
| 685 | interval_tm = beacon_int * 1024; |
| 686 | rem = do_div(tsf, interval_tm); |
| 687 | priv->rxon_timing.beacon_init_val = cpu_to_le32(interval_tm - rem); |
| 688 | |
| 689 | spin_unlock_irqrestore(&priv->lock, flags); |
| 690 | IWL_DEBUG_ASSOC(priv, |
| 691 | "beacon interval %d beacon timer %d beacon tim %d\n", |
| 692 | le16_to_cpu(priv->rxon_timing.beacon_interval), |
| 693 | le32_to_cpu(priv->rxon_timing.beacon_init_val), |
| 694 | le16_to_cpu(priv->rxon_timing.atim_window)); |
| 695 | } |
| 696 | EXPORT_SYMBOL(iwl_setup_rxon_timing); |
| 697 | |
Samuel Ortiz | 8ccde88 | 2009-01-27 14:27:52 -0800 | [diff] [blame] | 698 | void iwl_set_rxon_hwcrypto(struct iwl_priv *priv, int hw_decrypt) |
| 699 | { |
| 700 | struct iwl_rxon_cmd *rxon = &priv->staging_rxon; |
| 701 | |
| 702 | if (hw_decrypt) |
| 703 | rxon->filter_flags &= ~RXON_FILTER_DIS_DECRYPT_MSK; |
| 704 | else |
| 705 | rxon->filter_flags |= RXON_FILTER_DIS_DECRYPT_MSK; |
| 706 | |
| 707 | } |
| 708 | EXPORT_SYMBOL(iwl_set_rxon_hwcrypto); |
| 709 | |
| 710 | /** |
| 711 | * iwl_check_rxon_cmd - validate RXON structure is valid |
| 712 | * |
| 713 | * NOTE: This is really only useful during development and can eventually |
| 714 | * be #ifdef'd out once the driver is stable and folks aren't actively |
| 715 | * making changes |
| 716 | */ |
| 717 | int iwl_check_rxon_cmd(struct iwl_priv *priv) |
| 718 | { |
| 719 | int error = 0; |
| 720 | int counter = 1; |
| 721 | struct iwl_rxon_cmd *rxon = &priv->staging_rxon; |
| 722 | |
| 723 | if (rxon->flags & RXON_FLG_BAND_24G_MSK) { |
| 724 | error |= le32_to_cpu(rxon->flags & |
| 725 | (RXON_FLG_TGJ_NARROW_BAND_MSK | |
| 726 | RXON_FLG_RADAR_DETECT_MSK)); |
| 727 | if (error) |
| 728 | IWL_WARN(priv, "check 24G fields %d | %d\n", |
| 729 | counter++, error); |
| 730 | } else { |
| 731 | error |= (rxon->flags & RXON_FLG_SHORT_SLOT_MSK) ? |
| 732 | 0 : le32_to_cpu(RXON_FLG_SHORT_SLOT_MSK); |
| 733 | if (error) |
| 734 | IWL_WARN(priv, "check 52 fields %d | %d\n", |
| 735 | counter++, error); |
| 736 | error |= le32_to_cpu(rxon->flags & RXON_FLG_CCK_MSK); |
| 737 | if (error) |
| 738 | IWL_WARN(priv, "check 52 CCK %d | %d\n", |
| 739 | counter++, error); |
| 740 | } |
| 741 | error |= (rxon->node_addr[0] | rxon->bssid_addr[0]) & 0x1; |
| 742 | if (error) |
| 743 | IWL_WARN(priv, "check mac addr %d | %d\n", counter++, error); |
| 744 | |
| 745 | /* make sure basic rates 6Mbps and 1Mbps are supported */ |
| 746 | error |= (((rxon->ofdm_basic_rates & IWL_RATE_6M_MASK) == 0) && |
| 747 | ((rxon->cck_basic_rates & IWL_RATE_1M_MASK) == 0)); |
| 748 | if (error) |
| 749 | IWL_WARN(priv, "check basic rate %d | %d\n", counter++, error); |
| 750 | |
| 751 | error |= (le16_to_cpu(rxon->assoc_id) > 2007); |
| 752 | if (error) |
| 753 | IWL_WARN(priv, "check assoc id %d | %d\n", counter++, error); |
| 754 | |
| 755 | error |= ((rxon->flags & (RXON_FLG_CCK_MSK | RXON_FLG_SHORT_SLOT_MSK)) |
| 756 | == (RXON_FLG_CCK_MSK | RXON_FLG_SHORT_SLOT_MSK)); |
| 757 | if (error) |
| 758 | IWL_WARN(priv, "check CCK and short slot %d | %d\n", |
| 759 | counter++, error); |
| 760 | |
| 761 | error |= ((rxon->flags & (RXON_FLG_CCK_MSK | RXON_FLG_AUTO_DETECT_MSK)) |
| 762 | == (RXON_FLG_CCK_MSK | RXON_FLG_AUTO_DETECT_MSK)); |
| 763 | if (error) |
| 764 | IWL_WARN(priv, "check CCK & auto detect %d | %d\n", |
| 765 | counter++, error); |
| 766 | |
| 767 | error |= ((rxon->flags & (RXON_FLG_AUTO_DETECT_MSK | |
| 768 | RXON_FLG_TGG_PROTECT_MSK)) == RXON_FLG_TGG_PROTECT_MSK); |
| 769 | if (error) |
| 770 | IWL_WARN(priv, "check TGG and auto detect %d | %d\n", |
| 771 | counter++, error); |
| 772 | |
| 773 | if (error) |
| 774 | IWL_WARN(priv, "Tuning to channel %d\n", |
| 775 | le16_to_cpu(rxon->channel)); |
| 776 | |
| 777 | if (error) { |
| 778 | IWL_ERR(priv, "Not a valid iwl_rxon_assoc_cmd field values\n"); |
| 779 | return -1; |
| 780 | } |
| 781 | return 0; |
| 782 | } |
| 783 | EXPORT_SYMBOL(iwl_check_rxon_cmd); |
| 784 | |
| 785 | /** |
| 786 | * iwl_full_rxon_required - check if full RXON (vs RXON_ASSOC) cmd is needed |
| 787 | * @priv: staging_rxon is compared to active_rxon |
| 788 | * |
| 789 | * If the RXON structure is changing enough to require a new tune, |
| 790 | * or is clearing the RXON_FILTER_ASSOC_MSK, then return 1 to indicate that |
| 791 | * a new tune (full RXON command, rather than RXON_ASSOC cmd) is required. |
| 792 | */ |
| 793 | int iwl_full_rxon_required(struct iwl_priv *priv) |
| 794 | { |
| 795 | |
| 796 | /* These items are only settable from the full RXON command */ |
| 797 | if (!(iwl_is_associated(priv)) || |
| 798 | compare_ether_addr(priv->staging_rxon.bssid_addr, |
| 799 | priv->active_rxon.bssid_addr) || |
| 800 | compare_ether_addr(priv->staging_rxon.node_addr, |
| 801 | priv->active_rxon.node_addr) || |
| 802 | compare_ether_addr(priv->staging_rxon.wlap_bssid_addr, |
| 803 | priv->active_rxon.wlap_bssid_addr) || |
| 804 | (priv->staging_rxon.dev_type != priv->active_rxon.dev_type) || |
| 805 | (priv->staging_rxon.channel != priv->active_rxon.channel) || |
| 806 | (priv->staging_rxon.air_propagation != |
| 807 | priv->active_rxon.air_propagation) || |
| 808 | (priv->staging_rxon.ofdm_ht_single_stream_basic_rates != |
| 809 | priv->active_rxon.ofdm_ht_single_stream_basic_rates) || |
| 810 | (priv->staging_rxon.ofdm_ht_dual_stream_basic_rates != |
| 811 | priv->active_rxon.ofdm_ht_dual_stream_basic_rates) || |
Daniel C Halperin | c2105fa | 2009-04-08 11:39:30 -0700 | [diff] [blame] | 812 | (priv->staging_rxon.ofdm_ht_triple_stream_basic_rates != |
| 813 | priv->active_rxon.ofdm_ht_triple_stream_basic_rates) || |
Samuel Ortiz | 8ccde88 | 2009-01-27 14:27:52 -0800 | [diff] [blame] | 814 | (priv->staging_rxon.assoc_id != priv->active_rxon.assoc_id)) |
| 815 | return 1; |
| 816 | |
| 817 | /* flags, filter_flags, ofdm_basic_rates, and cck_basic_rates can |
| 818 | * be updated with the RXON_ASSOC command -- however only some |
| 819 | * flag transitions are allowed using RXON_ASSOC */ |
| 820 | |
| 821 | /* Check if we are not switching bands */ |
| 822 | if ((priv->staging_rxon.flags & RXON_FLG_BAND_24G_MSK) != |
| 823 | (priv->active_rxon.flags & RXON_FLG_BAND_24G_MSK)) |
| 824 | return 1; |
| 825 | |
| 826 | /* Check if we are switching association toggle */ |
| 827 | if ((priv->staging_rxon.filter_flags & RXON_FILTER_ASSOC_MSK) != |
| 828 | (priv->active_rxon.filter_flags & RXON_FILTER_ASSOC_MSK)) |
| 829 | return 1; |
| 830 | |
| 831 | return 0; |
| 832 | } |
| 833 | EXPORT_SYMBOL(iwl_full_rxon_required); |
| 834 | |
| 835 | u8 iwl_rate_get_lowest_plcp(struct iwl_priv *priv) |
| 836 | { |
| 837 | int i; |
| 838 | int rate_mask; |
| 839 | |
| 840 | /* Set rate mask*/ |
| 841 | if (priv->staging_rxon.flags & RXON_FLG_BAND_24G_MSK) |
| 842 | rate_mask = priv->active_rate_basic & IWL_CCK_RATES_MASK; |
| 843 | else |
| 844 | rate_mask = priv->active_rate_basic & IWL_OFDM_RATES_MASK; |
| 845 | |
| 846 | /* Find lowest valid rate */ |
| 847 | for (i = IWL_RATE_1M_INDEX; i != IWL_RATE_INVALID; |
| 848 | i = iwl_rates[i].next_ieee) { |
| 849 | if (rate_mask & (1 << i)) |
| 850 | return iwl_rates[i].plcp; |
| 851 | } |
| 852 | |
| 853 | /* No valid rate was found. Assign the lowest one */ |
| 854 | if (priv->staging_rxon.flags & RXON_FLG_BAND_24G_MSK) |
| 855 | return IWL_RATE_1M_PLCP; |
| 856 | else |
| 857 | return IWL_RATE_6M_PLCP; |
| 858 | } |
| 859 | EXPORT_SYMBOL(iwl_rate_get_lowest_plcp); |
| 860 | |
Tomas Winkler | 47c5196 | 2008-05-05 10:22:41 +0800 | [diff] [blame] | 861 | void iwl_set_rxon_ht(struct iwl_priv *priv, struct iwl_ht_info *ht_info) |
| 862 | { |
Gregory Greenman | c1adf9f | 2008-05-15 13:53:59 +0800 | [diff] [blame] | 863 | struct iwl_rxon_cmd *rxon = &priv->staging_rxon; |
Tomas Winkler | 47c5196 | 2008-05-05 10:22:41 +0800 | [diff] [blame] | 864 | |
Emmanuel Grumbach | 42eb7c6 | 2008-09-17 10:10:05 +0800 | [diff] [blame] | 865 | if (!ht_info->is_ht) { |
Wey-Yi Guy | a2b0f02 | 2009-05-22 11:01:49 -0700 | [diff] [blame] | 866 | rxon->flags &= ~(RXON_FLG_CHANNEL_MODE_MSK | |
Emmanuel Grumbach | 42eb7c6 | 2008-09-17 10:10:05 +0800 | [diff] [blame] | 867 | RXON_FLG_CTRL_CHANNEL_LOC_HI_MSK | |
| 868 | RXON_FLG_FAT_PROT_MSK | |
| 869 | RXON_FLG_HT_PROT_MSK); |
Tomas Winkler | 47c5196 | 2008-05-05 10:22:41 +0800 | [diff] [blame] | 870 | return; |
Emmanuel Grumbach | 42eb7c6 | 2008-09-17 10:10:05 +0800 | [diff] [blame] | 871 | } |
Tomas Winkler | 47c5196 | 2008-05-05 10:22:41 +0800 | [diff] [blame] | 872 | |
Wey-Yi Guy | a2b0f02 | 2009-05-22 11:01:49 -0700 | [diff] [blame] | 873 | /* FIXME: if the definition of ht_protection changed, the "translation" |
| 874 | * will be needed for rxon->flags |
| 875 | */ |
| 876 | rxon->flags |= cpu_to_le32(ht_info->ht_protection << RXON_FLG_HT_OPERATING_MODE_POS); |
Tomas Winkler | 47c5196 | 2008-05-05 10:22:41 +0800 | [diff] [blame] | 877 | |
Wey-Yi Guy | a2b0f02 | 2009-05-22 11:01:49 -0700 | [diff] [blame] | 878 | /* Set up channel bandwidth: |
| 879 | * 20 MHz only, 20/40 mixed or pure 40 if fat ok */ |
| 880 | /* clear the HT channel mode before set the mode */ |
| 881 | rxon->flags &= ~(RXON_FLG_CHANNEL_MODE_MSK | |
| 882 | RXON_FLG_CTRL_CHANNEL_LOC_HI_MSK); |
| 883 | if (iwl_is_fat_tx_allowed(priv, NULL)) { |
| 884 | /* pure 40 fat */ |
Wey-Yi Guy | 508b08e | 2009-06-12 13:22:50 -0700 | [diff] [blame] | 885 | if (ht_info->ht_protection == IEEE80211_HT_OP_MODE_PROTECTION_20MHZ) { |
Wey-Yi Guy | a2b0f02 | 2009-05-22 11:01:49 -0700 | [diff] [blame] | 886 | rxon->flags |= RXON_FLG_CHANNEL_MODE_PURE_40; |
Wey-Yi Guy | 508b08e | 2009-06-12 13:22:50 -0700 | [diff] [blame] | 887 | /* Note: control channel is opposite of extension channel */ |
| 888 | switch (ht_info->extension_chan_offset) { |
| 889 | case IEEE80211_HT_PARAM_CHA_SEC_ABOVE: |
| 890 | rxon->flags &= ~RXON_FLG_CTRL_CHANNEL_LOC_HI_MSK; |
| 891 | break; |
| 892 | case IEEE80211_HT_PARAM_CHA_SEC_BELOW: |
| 893 | rxon->flags |= RXON_FLG_CTRL_CHANNEL_LOC_HI_MSK; |
| 894 | break; |
| 895 | } |
| 896 | } else { |
Wey-Yi Guy | a2b0f02 | 2009-05-22 11:01:49 -0700 | [diff] [blame] | 897 | /* Note: control channel is opposite of extension channel */ |
| 898 | switch (ht_info->extension_chan_offset) { |
| 899 | case IEEE80211_HT_PARAM_CHA_SEC_ABOVE: |
| 900 | rxon->flags &= ~(RXON_FLG_CTRL_CHANNEL_LOC_HI_MSK); |
| 901 | rxon->flags |= RXON_FLG_CHANNEL_MODE_MIXED; |
| 902 | break; |
| 903 | case IEEE80211_HT_PARAM_CHA_SEC_BELOW: |
| 904 | rxon->flags |= RXON_FLG_CTRL_CHANNEL_LOC_HI_MSK; |
| 905 | rxon->flags |= RXON_FLG_CHANNEL_MODE_MIXED; |
| 906 | break; |
| 907 | case IEEE80211_HT_PARAM_CHA_SEC_NONE: |
| 908 | default: |
| 909 | /* channel location only valid if in Mixed mode */ |
| 910 | IWL_ERR(priv, "invalid extension channel offset\n"); |
| 911 | break; |
| 912 | } |
| 913 | } |
| 914 | } else { |
| 915 | rxon->flags |= RXON_FLG_CHANNEL_MODE_LEGACY; |
Tomas Winkler | 47c5196 | 2008-05-05 10:22:41 +0800 | [diff] [blame] | 916 | } |
| 917 | |
Abhijeet Kolekar | 4582353 | 2009-04-08 11:26:44 -0700 | [diff] [blame] | 918 | if (priv->cfg->ops->hcmd->set_rxon_chain) |
| 919 | priv->cfg->ops->hcmd->set_rxon_chain(priv); |
Tomas Winkler | 47c5196 | 2008-05-05 10:22:41 +0800 | [diff] [blame] | 920 | |
Tomas Winkler | e162344 | 2009-01-27 14:27:56 -0800 | [diff] [blame] | 921 | IWL_DEBUG_ASSOC(priv, "supported HT rate 0x%X 0x%X 0x%X " |
Tomas Winkler | 47c5196 | 2008-05-05 10:22:41 +0800 | [diff] [blame] | 922 | "rxon flags 0x%X operation mode :0x%X " |
Johannes Berg | ae5eb02 | 2008-10-14 16:58:37 +0200 | [diff] [blame] | 923 | "extension channel offset 0x%x\n", |
Johannes Berg | d9fe60d | 2008-10-09 12:13:49 +0200 | [diff] [blame] | 924 | ht_info->mcs.rx_mask[0], |
| 925 | ht_info->mcs.rx_mask[1], |
| 926 | ht_info->mcs.rx_mask[2], |
Tomas Winkler | 47c5196 | 2008-05-05 10:22:41 +0800 | [diff] [blame] | 927 | le32_to_cpu(rxon->flags), ht_info->ht_protection, |
Johannes Berg | ae5eb02 | 2008-10-14 16:58:37 +0200 | [diff] [blame] | 928 | ht_info->extension_chan_offset); |
Tomas Winkler | 47c5196 | 2008-05-05 10:22:41 +0800 | [diff] [blame] | 929 | return; |
| 930 | } |
| 931 | EXPORT_SYMBOL(iwl_set_rxon_ht); |
| 932 | |
Tomas Winkler | 9e5e6c3 | 2008-09-16 14:01:04 +0800 | [diff] [blame] | 933 | #define IWL_NUM_RX_CHAINS_MULTIPLE 3 |
| 934 | #define IWL_NUM_RX_CHAINS_SINGLE 2 |
| 935 | #define IWL_NUM_IDLE_CHAINS_DUAL 2 |
| 936 | #define IWL_NUM_IDLE_CHAINS_SINGLE 1 |
| 937 | |
| 938 | /* Determine how many receiver/antenna chains to use. |
Ron Rindjunsky | c7de35c | 2008-04-23 17:15:05 -0700 | [diff] [blame] | 939 | * More provides better reception via diversity. Fewer saves power. |
| 940 | * MIMO (dual stream) requires at least 2, but works better with 3. |
| 941 | * This does not determine *which* chains to use, just how many. |
| 942 | */ |
Tomas Winkler | 28a6b07 | 2008-09-03 11:18:47 +0800 | [diff] [blame] | 943 | static int iwl_get_active_rx_chain_count(struct iwl_priv *priv) |
Ron Rindjunsky | c7de35c | 2008-04-23 17:15:05 -0700 | [diff] [blame] | 944 | { |
Tomas Winkler | 28a6b07 | 2008-09-03 11:18:47 +0800 | [diff] [blame] | 945 | bool is_single = is_single_rx_stream(priv); |
| 946 | bool is_cam = !test_bit(STATUS_POWER_PMI, &priv->status); |
Ron Rindjunsky | c7de35c | 2008-04-23 17:15:05 -0700 | [diff] [blame] | 947 | |
| 948 | /* # of Rx chains to use when expecting MIMO. */ |
Ron Rindjunsky | 12837be | 2008-09-03 11:26:47 +0800 | [diff] [blame] | 949 | if (is_single || (!is_cam && (priv->current_ht_config.sm_ps == |
| 950 | WLAN_HT_CAP_SM_PS_STATIC))) |
Tomas Winkler | 9e5e6c3 | 2008-09-16 14:01:04 +0800 | [diff] [blame] | 951 | return IWL_NUM_RX_CHAINS_SINGLE; |
Ron Rindjunsky | c7de35c | 2008-04-23 17:15:05 -0700 | [diff] [blame] | 952 | else |
Tomas Winkler | 9e5e6c3 | 2008-09-16 14:01:04 +0800 | [diff] [blame] | 953 | return IWL_NUM_RX_CHAINS_MULTIPLE; |
Tomas Winkler | 28a6b07 | 2008-09-03 11:18:47 +0800 | [diff] [blame] | 954 | } |
Ron Rindjunsky | c7de35c | 2008-04-23 17:15:05 -0700 | [diff] [blame] | 955 | |
Tomas Winkler | 28a6b07 | 2008-09-03 11:18:47 +0800 | [diff] [blame] | 956 | static int iwl_get_idle_rx_chain_count(struct iwl_priv *priv, int active_cnt) |
| 957 | { |
| 958 | int idle_cnt; |
| 959 | bool is_cam = !test_bit(STATUS_POWER_PMI, &priv->status); |
Ron Rindjunsky | c7de35c | 2008-04-23 17:15:05 -0700 | [diff] [blame] | 960 | /* # Rx chains when idling and maybe trying to save power */ |
Ron Rindjunsky | 12837be | 2008-09-03 11:26:47 +0800 | [diff] [blame] | 961 | switch (priv->current_ht_config.sm_ps) { |
Tomas Winkler | 00c5ae2 | 2008-09-03 11:26:42 +0800 | [diff] [blame] | 962 | case WLAN_HT_CAP_SM_PS_STATIC: |
| 963 | case WLAN_HT_CAP_SM_PS_DYNAMIC: |
Tomas Winkler | 9e5e6c3 | 2008-09-16 14:01:04 +0800 | [diff] [blame] | 964 | idle_cnt = (is_cam) ? IWL_NUM_IDLE_CHAINS_DUAL : |
| 965 | IWL_NUM_IDLE_CHAINS_SINGLE; |
Ron Rindjunsky | c7de35c | 2008-04-23 17:15:05 -0700 | [diff] [blame] | 966 | break; |
Tomas Winkler | 00c5ae2 | 2008-09-03 11:26:42 +0800 | [diff] [blame] | 967 | case WLAN_HT_CAP_SM_PS_DISABLED: |
Tomas Winkler | 9e5e6c3 | 2008-09-16 14:01:04 +0800 | [diff] [blame] | 968 | idle_cnt = (is_cam) ? active_cnt : IWL_NUM_IDLE_CHAINS_SINGLE; |
Ron Rindjunsky | c7de35c | 2008-04-23 17:15:05 -0700 | [diff] [blame] | 969 | break; |
Tomas Winkler | 00c5ae2 | 2008-09-03 11:26:42 +0800 | [diff] [blame] | 970 | case WLAN_HT_CAP_SM_PS_INVALID: |
Ron Rindjunsky | c7de35c | 2008-04-23 17:15:05 -0700 | [diff] [blame] | 971 | default: |
Winkler, Tomas | 15b1687 | 2008-12-19 10:37:33 +0800 | [diff] [blame] | 972 | IWL_ERR(priv, "invalid mimo ps mode %d\n", |
Ron Rindjunsky | 12837be | 2008-09-03 11:26:47 +0800 | [diff] [blame] | 973 | priv->current_ht_config.sm_ps); |
Tomas Winkler | 28a6b07 | 2008-09-03 11:18:47 +0800 | [diff] [blame] | 974 | WARN_ON(1); |
| 975 | idle_cnt = -1; |
Ron Rindjunsky | c7de35c | 2008-04-23 17:15:05 -0700 | [diff] [blame] | 976 | break; |
| 977 | } |
Tomas Winkler | 28a6b07 | 2008-09-03 11:18:47 +0800 | [diff] [blame] | 978 | return idle_cnt; |
Ron Rindjunsky | c7de35c | 2008-04-23 17:15:05 -0700 | [diff] [blame] | 979 | } |
| 980 | |
Grumbach, Emmanuel | 0481644 | 2008-09-03 11:26:53 +0800 | [diff] [blame] | 981 | /* up to 4 chains */ |
| 982 | static u8 iwl_count_chain_bitmap(u32 chain_bitmap) |
| 983 | { |
| 984 | u8 res; |
| 985 | res = (chain_bitmap & BIT(0)) >> 0; |
| 986 | res += (chain_bitmap & BIT(1)) >> 1; |
| 987 | res += (chain_bitmap & BIT(2)) >> 2; |
| 988 | res += (chain_bitmap & BIT(4)) >> 4; |
| 989 | return res; |
| 990 | } |
| 991 | |
Ron Rindjunsky | c7de35c | 2008-04-23 17:15:05 -0700 | [diff] [blame] | 992 | /** |
Chatre, Reinette | 4c4df78 | 2009-01-23 13:45:09 -0800 | [diff] [blame] | 993 | * iwl_is_monitor_mode - Determine if interface in monitor mode |
| 994 | * |
| 995 | * priv->iw_mode is set in add_interface, but add_interface is |
| 996 | * never called for monitor mode. The only way mac80211 informs us about |
| 997 | * monitor mode is through configuring filters (call to configure_filter). |
| 998 | */ |
Wey-Yi Guy | 279b05d | 2009-04-20 14:37:00 -0700 | [diff] [blame] | 999 | bool iwl_is_monitor_mode(struct iwl_priv *priv) |
Chatre, Reinette | 4c4df78 | 2009-01-23 13:45:09 -0800 | [diff] [blame] | 1000 | { |
| 1001 | return !!(priv->staging_rxon.filter_flags & RXON_FILTER_PROMISC_MSK); |
| 1002 | } |
Wey-Yi Guy | 279b05d | 2009-04-20 14:37:00 -0700 | [diff] [blame] | 1003 | EXPORT_SYMBOL(iwl_is_monitor_mode); |
Chatre, Reinette | 4c4df78 | 2009-01-23 13:45:09 -0800 | [diff] [blame] | 1004 | |
| 1005 | /** |
Ron Rindjunsky | c7de35c | 2008-04-23 17:15:05 -0700 | [diff] [blame] | 1006 | * iwl_set_rxon_chain - Set up Rx chain usage in "staging" RXON image |
| 1007 | * |
| 1008 | * Selects how many and which Rx receivers/antennas/chains to use. |
| 1009 | * This should not be used for scan command ... it puts data in wrong place. |
| 1010 | */ |
| 1011 | void iwl_set_rxon_chain(struct iwl_priv *priv) |
| 1012 | { |
Tomas Winkler | 28a6b07 | 2008-09-03 11:18:47 +0800 | [diff] [blame] | 1013 | bool is_single = is_single_rx_stream(priv); |
| 1014 | bool is_cam = !test_bit(STATUS_POWER_PMI, &priv->status); |
Grumbach, Emmanuel | 0481644 | 2008-09-03 11:26:53 +0800 | [diff] [blame] | 1015 | u8 idle_rx_cnt, active_rx_cnt, valid_rx_cnt; |
| 1016 | u32 active_chains; |
Tomas Winkler | 28a6b07 | 2008-09-03 11:18:47 +0800 | [diff] [blame] | 1017 | u16 rx_chain; |
Ron Rindjunsky | c7de35c | 2008-04-23 17:15:05 -0700 | [diff] [blame] | 1018 | |
| 1019 | /* Tell uCode which antennas are actually connected. |
| 1020 | * Before first association, we assume all antennas are connected. |
| 1021 | * Just after first association, iwl_chain_noise_calibration() |
| 1022 | * checks which antennas actually *are* connected. */ |
Grumbach, Emmanuel | 0481644 | 2008-09-03 11:26:53 +0800 | [diff] [blame] | 1023 | if (priv->chain_noise_data.active_chains) |
| 1024 | active_chains = priv->chain_noise_data.active_chains; |
| 1025 | else |
| 1026 | active_chains = priv->hw_params.valid_rx_ant; |
| 1027 | |
| 1028 | rx_chain = active_chains << RXON_RX_CHAIN_VALID_POS; |
Ron Rindjunsky | c7de35c | 2008-04-23 17:15:05 -0700 | [diff] [blame] | 1029 | |
| 1030 | /* How many receivers should we use? */ |
Tomas Winkler | 28a6b07 | 2008-09-03 11:18:47 +0800 | [diff] [blame] | 1031 | active_rx_cnt = iwl_get_active_rx_chain_count(priv); |
| 1032 | idle_rx_cnt = iwl_get_idle_rx_chain_count(priv, active_rx_cnt); |
Ron Rindjunsky | c7de35c | 2008-04-23 17:15:05 -0700 | [diff] [blame] | 1033 | |
Tomas Winkler | 28a6b07 | 2008-09-03 11:18:47 +0800 | [diff] [blame] | 1034 | |
Grumbach, Emmanuel | 0481644 | 2008-09-03 11:26:53 +0800 | [diff] [blame] | 1035 | /* correct rx chain count according hw settings |
| 1036 | * and chain noise calibration |
| 1037 | */ |
| 1038 | valid_rx_cnt = iwl_count_chain_bitmap(active_chains); |
| 1039 | if (valid_rx_cnt < active_rx_cnt) |
| 1040 | active_rx_cnt = valid_rx_cnt; |
| 1041 | |
| 1042 | if (valid_rx_cnt < idle_rx_cnt) |
| 1043 | idle_rx_cnt = valid_rx_cnt; |
Tomas Winkler | 28a6b07 | 2008-09-03 11:18:47 +0800 | [diff] [blame] | 1044 | |
| 1045 | rx_chain |= active_rx_cnt << RXON_RX_CHAIN_MIMO_CNT_POS; |
| 1046 | rx_chain |= idle_rx_cnt << RXON_RX_CHAIN_CNT_POS; |
| 1047 | |
Rick Farrington | 7b84172 | 2009-01-23 13:45:10 -0800 | [diff] [blame] | 1048 | /* copied from 'iwl_bg_request_scan()' */ |
| 1049 | /* Force use of chains B and C (0x6) for Rx for 4965 |
| 1050 | * Avoid A (0x1) because of its off-channel reception on A-band. |
| 1051 | * MIMO is not used here, but value is required */ |
| 1052 | if (iwl_is_monitor_mode(priv) && |
| 1053 | !(priv->staging_rxon.flags & RXON_FLG_BAND_24G_MSK) && |
| 1054 | ((priv->hw_rev & CSR_HW_REV_TYPE_MSK) == CSR_HW_REV_TYPE_4965)) { |
Wey-Yi Guy | fff7a43 | 2009-05-08 13:44:42 -0700 | [diff] [blame] | 1055 | rx_chain = ANT_ABC << RXON_RX_CHAIN_VALID_POS; |
| 1056 | rx_chain |= ANT_BC << RXON_RX_CHAIN_FORCE_SEL_POS; |
| 1057 | rx_chain |= ANT_ABC << RXON_RX_CHAIN_FORCE_MIMO_SEL_POS; |
| 1058 | rx_chain |= 0x1 << RXON_RX_CHAIN_DRIVER_FORCE_POS; |
Rick Farrington | 7b84172 | 2009-01-23 13:45:10 -0800 | [diff] [blame] | 1059 | } |
| 1060 | |
Tomas Winkler | 28a6b07 | 2008-09-03 11:18:47 +0800 | [diff] [blame] | 1061 | priv->staging_rxon.rx_chain = cpu_to_le16(rx_chain); |
| 1062 | |
Tomas Winkler | 9e5e6c3 | 2008-09-16 14:01:04 +0800 | [diff] [blame] | 1063 | if (!is_single && (active_rx_cnt >= IWL_NUM_RX_CHAINS_SINGLE) && is_cam) |
Ron Rindjunsky | c7de35c | 2008-04-23 17:15:05 -0700 | [diff] [blame] | 1064 | priv->staging_rxon.rx_chain |= RXON_RX_CHAIN_MIMO_FORCE_MSK; |
| 1065 | else |
| 1066 | priv->staging_rxon.rx_chain &= ~RXON_RX_CHAIN_MIMO_FORCE_MSK; |
| 1067 | |
Tomas Winkler | e162344 | 2009-01-27 14:27:56 -0800 | [diff] [blame] | 1068 | IWL_DEBUG_ASSOC(priv, "rx_chain=0x%X active=%d idle=%d\n", |
Tomas Winkler | 28a6b07 | 2008-09-03 11:18:47 +0800 | [diff] [blame] | 1069 | priv->staging_rxon.rx_chain, |
| 1070 | active_rx_cnt, idle_rx_cnt); |
| 1071 | |
| 1072 | WARN_ON(active_rx_cnt == 0 || idle_rx_cnt == 0 || |
| 1073 | active_rx_cnt < idle_rx_cnt); |
Ron Rindjunsky | c7de35c | 2008-04-23 17:15:05 -0700 | [diff] [blame] | 1074 | } |
| 1075 | EXPORT_SYMBOL(iwl_set_rxon_chain); |
Assaf Krauss | bf85ea4 | 2008-03-14 10:38:49 -0700 | [diff] [blame] | 1076 | |
| 1077 | /** |
Tomas Winkler | 17e7278 | 2008-09-03 11:26:26 +0800 | [diff] [blame] | 1078 | * iwl_set_rxon_channel - Set the phymode and channel values in staging RXON |
Assaf Krauss | bf85ea4 | 2008-03-14 10:38:49 -0700 | [diff] [blame] | 1079 | * @phymode: MODE_IEEE80211A sets to 5.2GHz; all else set to 2.4GHz |
| 1080 | * @channel: Any channel valid for the requested phymode |
| 1081 | |
| 1082 | * In addition to setting the staging RXON, priv->phymode is also set. |
| 1083 | * |
| 1084 | * NOTE: Does not commit to the hardware; it sets appropriate bit fields |
| 1085 | * in the staging RXON flag structure based on the phymode |
| 1086 | */ |
Tomas Winkler | 17e7278 | 2008-09-03 11:26:26 +0800 | [diff] [blame] | 1087 | int iwl_set_rxon_channel(struct iwl_priv *priv, struct ieee80211_channel *ch) |
Assaf Krauss | bf85ea4 | 2008-03-14 10:38:49 -0700 | [diff] [blame] | 1088 | { |
Tomas Winkler | 17e7278 | 2008-09-03 11:26:26 +0800 | [diff] [blame] | 1089 | enum ieee80211_band band = ch->band; |
| 1090 | u16 channel = ieee80211_frequency_to_channel(ch->center_freq); |
| 1091 | |
Assaf Krauss | 8622e70 | 2008-03-21 13:53:43 -0700 | [diff] [blame] | 1092 | if (!iwl_get_channel_info(priv, band, channel)) { |
Tomas Winkler | e162344 | 2009-01-27 14:27:56 -0800 | [diff] [blame] | 1093 | IWL_DEBUG_INFO(priv, "Could not set channel to %d [%d]\n", |
Assaf Krauss | bf85ea4 | 2008-03-14 10:38:49 -0700 | [diff] [blame] | 1094 | channel, band); |
| 1095 | return -EINVAL; |
| 1096 | } |
| 1097 | |
| 1098 | if ((le16_to_cpu(priv->staging_rxon.channel) == channel) && |
| 1099 | (priv->band == band)) |
| 1100 | return 0; |
| 1101 | |
| 1102 | priv->staging_rxon.channel = cpu_to_le16(channel); |
| 1103 | if (band == IEEE80211_BAND_5GHZ) |
| 1104 | priv->staging_rxon.flags &= ~RXON_FLG_BAND_24G_MSK; |
| 1105 | else |
| 1106 | priv->staging_rxon.flags |= RXON_FLG_BAND_24G_MSK; |
| 1107 | |
| 1108 | priv->band = band; |
| 1109 | |
Tomas Winkler | e162344 | 2009-01-27 14:27:56 -0800 | [diff] [blame] | 1110 | IWL_DEBUG_INFO(priv, "Staging channel set to %d [%d]\n", channel, band); |
Assaf Krauss | bf85ea4 | 2008-03-14 10:38:49 -0700 | [diff] [blame] | 1111 | |
| 1112 | return 0; |
| 1113 | } |
Ron Rindjunsky | c7de35c | 2008-04-23 17:15:05 -0700 | [diff] [blame] | 1114 | EXPORT_SYMBOL(iwl_set_rxon_channel); |
Assaf Krauss | bf85ea4 | 2008-03-14 10:38:49 -0700 | [diff] [blame] | 1115 | |
Samuel Ortiz | 8ccde88 | 2009-01-27 14:27:52 -0800 | [diff] [blame] | 1116 | void iwl_set_flags_for_band(struct iwl_priv *priv, |
| 1117 | enum ieee80211_band band) |
| 1118 | { |
| 1119 | if (band == IEEE80211_BAND_5GHZ) { |
| 1120 | priv->staging_rxon.flags &= |
| 1121 | ~(RXON_FLG_BAND_24G_MSK | RXON_FLG_AUTO_DETECT_MSK |
| 1122 | | RXON_FLG_CCK_MSK); |
| 1123 | priv->staging_rxon.flags |= RXON_FLG_SHORT_SLOT_MSK; |
| 1124 | } else { |
| 1125 | /* Copied from iwl_post_associate() */ |
| 1126 | if (priv->assoc_capability & WLAN_CAPABILITY_SHORT_SLOT_TIME) |
| 1127 | priv->staging_rxon.flags |= RXON_FLG_SHORT_SLOT_MSK; |
| 1128 | else |
| 1129 | priv->staging_rxon.flags &= ~RXON_FLG_SHORT_SLOT_MSK; |
| 1130 | |
| 1131 | if (priv->iw_mode == NL80211_IFTYPE_ADHOC) |
| 1132 | priv->staging_rxon.flags &= ~RXON_FLG_SHORT_SLOT_MSK; |
| 1133 | |
| 1134 | priv->staging_rxon.flags |= RXON_FLG_BAND_24G_MSK; |
| 1135 | priv->staging_rxon.flags |= RXON_FLG_AUTO_DETECT_MSK; |
| 1136 | priv->staging_rxon.flags &= ~RXON_FLG_CCK_MSK; |
| 1137 | } |
| 1138 | } |
| 1139 | EXPORT_SYMBOL(iwl_set_flags_for_band); |
| 1140 | |
| 1141 | /* |
| 1142 | * initialize rxon structure with default values from eeprom |
| 1143 | */ |
| 1144 | void iwl_connection_init_rx_config(struct iwl_priv *priv, int mode) |
| 1145 | { |
| 1146 | const struct iwl_channel_info *ch_info; |
| 1147 | |
| 1148 | memset(&priv->staging_rxon, 0, sizeof(priv->staging_rxon)); |
| 1149 | |
| 1150 | switch (mode) { |
| 1151 | case NL80211_IFTYPE_AP: |
| 1152 | priv->staging_rxon.dev_type = RXON_DEV_TYPE_AP; |
| 1153 | break; |
| 1154 | |
| 1155 | case NL80211_IFTYPE_STATION: |
| 1156 | priv->staging_rxon.dev_type = RXON_DEV_TYPE_ESS; |
| 1157 | priv->staging_rxon.filter_flags = RXON_FILTER_ACCEPT_GRP_MSK; |
| 1158 | break; |
| 1159 | |
| 1160 | case NL80211_IFTYPE_ADHOC: |
| 1161 | priv->staging_rxon.dev_type = RXON_DEV_TYPE_IBSS; |
| 1162 | priv->staging_rxon.flags = RXON_FLG_SHORT_PREAMBLE_MSK; |
| 1163 | priv->staging_rxon.filter_flags = RXON_FILTER_BCON_AWARE_MSK | |
| 1164 | RXON_FILTER_ACCEPT_GRP_MSK; |
| 1165 | break; |
| 1166 | |
Samuel Ortiz | 8ccde88 | 2009-01-27 14:27:52 -0800 | [diff] [blame] | 1167 | default: |
| 1168 | IWL_ERR(priv, "Unsupported interface type %d\n", mode); |
| 1169 | break; |
| 1170 | } |
| 1171 | |
| 1172 | #if 0 |
| 1173 | /* TODO: Figure out when short_preamble would be set and cache from |
| 1174 | * that */ |
| 1175 | if (!hw_to_local(priv->hw)->short_preamble) |
| 1176 | priv->staging_rxon.flags &= ~RXON_FLG_SHORT_PREAMBLE_MSK; |
| 1177 | else |
| 1178 | priv->staging_rxon.flags |= RXON_FLG_SHORT_PREAMBLE_MSK; |
| 1179 | #endif |
| 1180 | |
| 1181 | ch_info = iwl_get_channel_info(priv, priv->band, |
| 1182 | le16_to_cpu(priv->active_rxon.channel)); |
| 1183 | |
| 1184 | if (!ch_info) |
| 1185 | ch_info = &priv->channel_info[0]; |
| 1186 | |
| 1187 | /* |
| 1188 | * in some case A channels are all non IBSS |
| 1189 | * in this case force B/G channel |
| 1190 | */ |
| 1191 | if ((priv->iw_mode == NL80211_IFTYPE_ADHOC) && |
| 1192 | !(is_channel_ibss(ch_info))) |
| 1193 | ch_info = &priv->channel_info[0]; |
| 1194 | |
| 1195 | priv->staging_rxon.channel = cpu_to_le16(ch_info->channel); |
| 1196 | priv->band = ch_info->band; |
| 1197 | |
| 1198 | iwl_set_flags_for_band(priv, priv->band); |
| 1199 | |
| 1200 | priv->staging_rxon.ofdm_basic_rates = |
| 1201 | (IWL_OFDM_RATES_MASK >> IWL_FIRST_OFDM_RATE) & 0xFF; |
| 1202 | priv->staging_rxon.cck_basic_rates = |
| 1203 | (IWL_CCK_RATES_MASK >> IWL_FIRST_CCK_RATE) & 0xF; |
| 1204 | |
Wey-Yi Guy | a2b0f02 | 2009-05-22 11:01:49 -0700 | [diff] [blame] | 1205 | /* clear both MIX and PURE40 mode flag */ |
| 1206 | priv->staging_rxon.flags &= ~(RXON_FLG_CHANNEL_MODE_MIXED | |
| 1207 | RXON_FLG_CHANNEL_MODE_PURE_40); |
Samuel Ortiz | 8ccde88 | 2009-01-27 14:27:52 -0800 | [diff] [blame] | 1208 | memcpy(priv->staging_rxon.node_addr, priv->mac_addr, ETH_ALEN); |
| 1209 | memcpy(priv->staging_rxon.wlap_bssid_addr, priv->mac_addr, ETH_ALEN); |
| 1210 | priv->staging_rxon.ofdm_ht_single_stream_basic_rates = 0xff; |
| 1211 | priv->staging_rxon.ofdm_ht_dual_stream_basic_rates = 0xff; |
Wey-Yi Guy | 11397a6 | 2009-04-01 14:33:23 -0700 | [diff] [blame] | 1212 | priv->staging_rxon.ofdm_ht_triple_stream_basic_rates = 0xff; |
Samuel Ortiz | 8ccde88 | 2009-01-27 14:27:52 -0800 | [diff] [blame] | 1213 | } |
| 1214 | EXPORT_SYMBOL(iwl_connection_init_rx_config); |
| 1215 | |
Johannes Berg | 782571f | 2009-05-08 19:31:42 +0200 | [diff] [blame] | 1216 | static void iwl_set_rate(struct iwl_priv *priv) |
Samuel Ortiz | 8ccde88 | 2009-01-27 14:27:52 -0800 | [diff] [blame] | 1217 | { |
| 1218 | const struct ieee80211_supported_band *hw = NULL; |
| 1219 | struct ieee80211_rate *rate; |
| 1220 | int i; |
| 1221 | |
| 1222 | hw = iwl_get_hw_mode(priv, priv->band); |
| 1223 | if (!hw) { |
| 1224 | IWL_ERR(priv, "Failed to set rate: unable to get hw mode\n"); |
| 1225 | return; |
| 1226 | } |
| 1227 | |
| 1228 | priv->active_rate = 0; |
| 1229 | priv->active_rate_basic = 0; |
| 1230 | |
| 1231 | for (i = 0; i < hw->n_bitrates; i++) { |
| 1232 | rate = &(hw->bitrates[i]); |
| 1233 | if (rate->hw_value < IWL_RATE_COUNT) |
| 1234 | priv->active_rate |= (1 << rate->hw_value); |
| 1235 | } |
| 1236 | |
Tomas Winkler | e162344 | 2009-01-27 14:27:56 -0800 | [diff] [blame] | 1237 | IWL_DEBUG_RATE(priv, "Set active_rate = %0x, active_rate_basic = %0x\n", |
Samuel Ortiz | 8ccde88 | 2009-01-27 14:27:52 -0800 | [diff] [blame] | 1238 | priv->active_rate, priv->active_rate_basic); |
| 1239 | |
| 1240 | /* |
| 1241 | * If a basic rate is configured, then use it (adding IWL_RATE_1M_MASK) |
| 1242 | * otherwise set it to the default of all CCK rates and 6, 12, 24 for |
| 1243 | * OFDM |
| 1244 | */ |
| 1245 | if (priv->active_rate_basic & IWL_CCK_BASIC_RATES_MASK) |
| 1246 | priv->staging_rxon.cck_basic_rates = |
| 1247 | ((priv->active_rate_basic & |
| 1248 | IWL_CCK_RATES_MASK) >> IWL_FIRST_CCK_RATE) & 0xF; |
| 1249 | else |
| 1250 | priv->staging_rxon.cck_basic_rates = |
| 1251 | (IWL_CCK_BASIC_RATES_MASK >> IWL_FIRST_CCK_RATE) & 0xF; |
| 1252 | |
| 1253 | if (priv->active_rate_basic & IWL_OFDM_BASIC_RATES_MASK) |
| 1254 | priv->staging_rxon.ofdm_basic_rates = |
| 1255 | ((priv->active_rate_basic & |
| 1256 | (IWL_OFDM_BASIC_RATES_MASK | IWL_RATE_6M_MASK)) >> |
| 1257 | IWL_FIRST_OFDM_RATE) & 0xFF; |
| 1258 | else |
| 1259 | priv->staging_rxon.ofdm_basic_rates = |
| 1260 | (IWL_OFDM_BASIC_RATES_MASK >> IWL_FIRST_OFDM_RATE) & 0xFF; |
| 1261 | } |
Samuel Ortiz | 8ccde88 | 2009-01-27 14:27:52 -0800 | [diff] [blame] | 1262 | |
| 1263 | void iwl_rx_csa(struct iwl_priv *priv, struct iwl_rx_mem_buffer *rxb) |
| 1264 | { |
| 1265 | struct iwl_rx_packet *pkt = (struct iwl_rx_packet *)rxb->skb->data; |
| 1266 | struct iwl_rxon_cmd *rxon = (void *)&priv->active_rxon; |
| 1267 | struct iwl_csa_notification *csa = &(pkt->u.csa_notif); |
Tomas Winkler | e162344 | 2009-01-27 14:27:56 -0800 | [diff] [blame] | 1268 | IWL_DEBUG_11H(priv, "CSA notif: channel %d, status %d\n", |
Samuel Ortiz | 8ccde88 | 2009-01-27 14:27:52 -0800 | [diff] [blame] | 1269 | le16_to_cpu(csa->channel), le32_to_cpu(csa->status)); |
| 1270 | rxon->channel = csa->channel; |
| 1271 | priv->staging_rxon.channel = csa->channel; |
| 1272 | } |
| 1273 | EXPORT_SYMBOL(iwl_rx_csa); |
| 1274 | |
| 1275 | #ifdef CONFIG_IWLWIFI_DEBUG |
| 1276 | static void iwl_print_rx_config_cmd(struct iwl_priv *priv) |
| 1277 | { |
| 1278 | struct iwl_rxon_cmd *rxon = &priv->staging_rxon; |
| 1279 | |
Tomas Winkler | e162344 | 2009-01-27 14:27:56 -0800 | [diff] [blame] | 1280 | IWL_DEBUG_RADIO(priv, "RX CONFIG:\n"); |
Reinette Chatre | a562a9d | 2009-07-17 09:30:24 -0700 | [diff] [blame] | 1281 | iwl_print_hex_dump(IWL_DL_RADIO, (u8 *) rxon, sizeof(*rxon)); |
Tomas Winkler | e162344 | 2009-01-27 14:27:56 -0800 | [diff] [blame] | 1282 | IWL_DEBUG_RADIO(priv, "u16 channel: 0x%x\n", le16_to_cpu(rxon->channel)); |
| 1283 | IWL_DEBUG_RADIO(priv, "u32 flags: 0x%08X\n", le32_to_cpu(rxon->flags)); |
| 1284 | IWL_DEBUG_RADIO(priv, "u32 filter_flags: 0x%08x\n", |
Samuel Ortiz | 8ccde88 | 2009-01-27 14:27:52 -0800 | [diff] [blame] | 1285 | le32_to_cpu(rxon->filter_flags)); |
Tomas Winkler | e162344 | 2009-01-27 14:27:56 -0800 | [diff] [blame] | 1286 | IWL_DEBUG_RADIO(priv, "u8 dev_type: 0x%x\n", rxon->dev_type); |
| 1287 | IWL_DEBUG_RADIO(priv, "u8 ofdm_basic_rates: 0x%02x\n", |
Samuel Ortiz | 8ccde88 | 2009-01-27 14:27:52 -0800 | [diff] [blame] | 1288 | rxon->ofdm_basic_rates); |
Tomas Winkler | e162344 | 2009-01-27 14:27:56 -0800 | [diff] [blame] | 1289 | IWL_DEBUG_RADIO(priv, "u8 cck_basic_rates: 0x%02x\n", rxon->cck_basic_rates); |
| 1290 | IWL_DEBUG_RADIO(priv, "u8[6] node_addr: %pM\n", rxon->node_addr); |
| 1291 | IWL_DEBUG_RADIO(priv, "u8[6] bssid_addr: %pM\n", rxon->bssid_addr); |
| 1292 | IWL_DEBUG_RADIO(priv, "u16 assoc_id: 0x%x\n", le16_to_cpu(rxon->assoc_id)); |
Samuel Ortiz | 8ccde88 | 2009-01-27 14:27:52 -0800 | [diff] [blame] | 1293 | } |
| 1294 | #endif |
| 1295 | |
Johannes Berg | a94ca4e | 2009-07-14 15:48:11 +0200 | [diff] [blame] | 1296 | static const char *desc_lookup_text[] = { |
| 1297 | "OK", |
| 1298 | "FAIL", |
| 1299 | "BAD_PARAM", |
| 1300 | "BAD_CHECKSUM", |
| 1301 | "NMI_INTERRUPT_WDG", |
| 1302 | "SYSASSERT", |
| 1303 | "FATAL_ERROR", |
| 1304 | "BAD_COMMAND", |
| 1305 | "HW_ERROR_TUNE_LOCK", |
| 1306 | "HW_ERROR_TEMPERATURE", |
| 1307 | "ILLEGAL_CHAN_FREQ", |
| 1308 | "VCC_NOT_STABLE", |
| 1309 | "FH_ERROR", |
| 1310 | "NMI_INTERRUPT_HOST", |
| 1311 | "NMI_INTERRUPT_ACTION_PT", |
| 1312 | "NMI_INTERRUPT_UNKNOWN", |
| 1313 | "UCODE_VERSION_MISMATCH", |
| 1314 | "HW_ERROR_ABS_LOCK", |
| 1315 | "HW_ERROR_CAL_LOCK_FAIL", |
| 1316 | "NMI_INTERRUPT_INST_ACTION_PT", |
| 1317 | "NMI_INTERRUPT_DATA_ACTION_PT", |
| 1318 | "NMI_TRM_HW_ER", |
| 1319 | "NMI_INTERRUPT_TRM", |
| 1320 | "NMI_INTERRUPT_BREAK_POINT" |
| 1321 | "DEBUG_0", |
| 1322 | "DEBUG_1", |
| 1323 | "DEBUG_2", |
| 1324 | "DEBUG_3", |
| 1325 | "UNKNOWN" |
| 1326 | }; |
| 1327 | |
| 1328 | static const char *desc_lookup(int i) |
| 1329 | { |
| 1330 | int max = ARRAY_SIZE(desc_lookup_text) - 1; |
| 1331 | |
| 1332 | if (i < 0 || i > max) |
| 1333 | i = max; |
| 1334 | |
| 1335 | return desc_lookup_text[i]; |
| 1336 | } |
| 1337 | |
| 1338 | #define ERROR_START_OFFSET (1 * sizeof(u32)) |
| 1339 | #define ERROR_ELEM_SIZE (7 * sizeof(u32)) |
| 1340 | |
| 1341 | static void iwl_dump_nic_error_log(struct iwl_priv *priv) |
| 1342 | { |
| 1343 | u32 data2, line; |
| 1344 | u32 desc, time, count, base, data1; |
| 1345 | u32 blink1, blink2, ilink1, ilink2; |
| 1346 | |
Wey-Yi Guy | 34a66de | 2009-07-17 09:30:23 -0700 | [diff] [blame] | 1347 | switch (priv->ucode_type) { |
| 1348 | case UCODE_RT: |
Johannes Berg | a94ca4e | 2009-07-14 15:48:11 +0200 | [diff] [blame] | 1349 | base = le32_to_cpu(priv->card_alive.error_event_table_ptr); |
Wey-Yi Guy | 34a66de | 2009-07-17 09:30:23 -0700 | [diff] [blame] | 1350 | break; |
| 1351 | case UCODE_INIT: |
| 1352 | base = le32_to_cpu(priv->card_alive_init.error_event_table_ptr); |
| 1353 | break; |
| 1354 | default: |
| 1355 | IWL_ERR(priv, "uCode image not available\n"); |
| 1356 | return; |
| 1357 | } |
Johannes Berg | a94ca4e | 2009-07-14 15:48:11 +0200 | [diff] [blame] | 1358 | |
| 1359 | if (!priv->cfg->ops->lib->is_valid_rtc_data_addr(base)) { |
| 1360 | IWL_ERR(priv, "Not valid error log pointer 0x%08X\n", base); |
| 1361 | return; |
| 1362 | } |
| 1363 | |
| 1364 | count = iwl_read_targ_mem(priv, base); |
| 1365 | |
| 1366 | if (ERROR_START_OFFSET <= count * ERROR_ELEM_SIZE) { |
| 1367 | IWL_ERR(priv, "Start IWL Error Log Dump:\n"); |
| 1368 | IWL_ERR(priv, "Status: 0x%08lX, count: %d\n", |
| 1369 | priv->status, count); |
| 1370 | } |
| 1371 | |
| 1372 | desc = iwl_read_targ_mem(priv, base + 1 * sizeof(u32)); |
| 1373 | blink1 = iwl_read_targ_mem(priv, base + 3 * sizeof(u32)); |
| 1374 | blink2 = iwl_read_targ_mem(priv, base + 4 * sizeof(u32)); |
| 1375 | ilink1 = iwl_read_targ_mem(priv, base + 5 * sizeof(u32)); |
| 1376 | ilink2 = iwl_read_targ_mem(priv, base + 6 * sizeof(u32)); |
| 1377 | data1 = iwl_read_targ_mem(priv, base + 7 * sizeof(u32)); |
| 1378 | data2 = iwl_read_targ_mem(priv, base + 8 * sizeof(u32)); |
| 1379 | line = iwl_read_targ_mem(priv, base + 9 * sizeof(u32)); |
| 1380 | time = iwl_read_targ_mem(priv, base + 11 * sizeof(u32)); |
| 1381 | |
| 1382 | IWL_ERR(priv, "Desc Time " |
| 1383 | "data1 data2 line\n"); |
| 1384 | IWL_ERR(priv, "%-28s (#%02d) %010u 0x%08X 0x%08X %u\n", |
| 1385 | desc_lookup(desc), desc, time, data1, data2, line); |
| 1386 | IWL_ERR(priv, "blink1 blink2 ilink1 ilink2\n"); |
| 1387 | IWL_ERR(priv, "0x%05X 0x%05X 0x%05X 0x%05X\n", blink1, blink2, |
| 1388 | ilink1, ilink2); |
| 1389 | |
| 1390 | } |
| 1391 | |
| 1392 | #define EVENT_START_OFFSET (4 * sizeof(u32)) |
| 1393 | |
| 1394 | /** |
| 1395 | * iwl_print_event_log - Dump error event log to syslog |
| 1396 | * |
| 1397 | */ |
| 1398 | static void iwl_print_event_log(struct iwl_priv *priv, u32 start_idx, |
| 1399 | u32 num_events, u32 mode) |
| 1400 | { |
| 1401 | u32 i; |
| 1402 | u32 base; /* SRAM byte address of event log header */ |
| 1403 | u32 event_size; /* 2 u32s, or 3 u32s if timestamp recorded */ |
| 1404 | u32 ptr; /* SRAM byte address of log data */ |
| 1405 | u32 ev, time, data; /* event log data */ |
| 1406 | |
| 1407 | if (num_events == 0) |
| 1408 | return; |
Wey-Yi Guy | 34a66de | 2009-07-17 09:30:23 -0700 | [diff] [blame] | 1409 | switch (priv->ucode_type) { |
| 1410 | case UCODE_RT: |
Johannes Berg | a94ca4e | 2009-07-14 15:48:11 +0200 | [diff] [blame] | 1411 | base = le32_to_cpu(priv->card_alive.log_event_table_ptr); |
Wey-Yi Guy | 34a66de | 2009-07-17 09:30:23 -0700 | [diff] [blame] | 1412 | break; |
| 1413 | case UCODE_INIT: |
| 1414 | base = le32_to_cpu(priv->card_alive_init.log_event_table_ptr); |
| 1415 | break; |
| 1416 | default: |
| 1417 | IWL_ERR(priv, "uCode image not available\n"); |
| 1418 | return; |
| 1419 | } |
Johannes Berg | a94ca4e | 2009-07-14 15:48:11 +0200 | [diff] [blame] | 1420 | |
| 1421 | if (mode == 0) |
| 1422 | event_size = 2 * sizeof(u32); |
| 1423 | else |
| 1424 | event_size = 3 * sizeof(u32); |
| 1425 | |
| 1426 | ptr = base + EVENT_START_OFFSET + (start_idx * event_size); |
| 1427 | |
| 1428 | /* "time" is actually "data" for mode 0 (no timestamp). |
| 1429 | * place event id # at far right for easier visual parsing. */ |
| 1430 | for (i = 0; i < num_events; i++) { |
| 1431 | ev = iwl_read_targ_mem(priv, ptr); |
| 1432 | ptr += sizeof(u32); |
| 1433 | time = iwl_read_targ_mem(priv, ptr); |
| 1434 | ptr += sizeof(u32); |
| 1435 | if (mode == 0) { |
| 1436 | /* data, ev */ |
| 1437 | IWL_ERR(priv, "EVT_LOG:0x%08x:%04u\n", time, ev); |
| 1438 | } else { |
| 1439 | data = iwl_read_targ_mem(priv, ptr); |
| 1440 | ptr += sizeof(u32); |
| 1441 | IWL_ERR(priv, "EVT_LOGT:%010u:0x%08x:%04u\n", |
| 1442 | time, data, ev); |
| 1443 | } |
| 1444 | } |
| 1445 | } |
| 1446 | |
| 1447 | void iwl_dump_nic_event_log(struct iwl_priv *priv) |
| 1448 | { |
| 1449 | u32 base; /* SRAM byte address of event log header */ |
| 1450 | u32 capacity; /* event log capacity in # entries */ |
| 1451 | u32 mode; /* 0 - no timestamp, 1 - timestamp recorded */ |
| 1452 | u32 num_wraps; /* # times uCode wrapped to top of log */ |
| 1453 | u32 next_entry; /* index of next entry to be written by uCode */ |
| 1454 | u32 size; /* # entries that we'll print */ |
| 1455 | |
Wey-Yi Guy | 34a66de | 2009-07-17 09:30:23 -0700 | [diff] [blame] | 1456 | switch (priv->ucode_type) { |
| 1457 | case UCODE_RT: |
Johannes Berg | a94ca4e | 2009-07-14 15:48:11 +0200 | [diff] [blame] | 1458 | base = le32_to_cpu(priv->card_alive.log_event_table_ptr); |
Wey-Yi Guy | 34a66de | 2009-07-17 09:30:23 -0700 | [diff] [blame] | 1459 | break; |
| 1460 | case UCODE_INIT: |
| 1461 | base = le32_to_cpu(priv->card_alive_init.log_event_table_ptr); |
| 1462 | break; |
| 1463 | default: |
| 1464 | IWL_ERR(priv, "uCode image not available\n"); |
| 1465 | return; |
| 1466 | } |
Johannes Berg | a94ca4e | 2009-07-14 15:48:11 +0200 | [diff] [blame] | 1467 | |
| 1468 | if (!priv->cfg->ops->lib->is_valid_rtc_data_addr(base)) { |
| 1469 | IWL_ERR(priv, "Invalid event log pointer 0x%08X\n", base); |
| 1470 | return; |
| 1471 | } |
| 1472 | |
| 1473 | /* event log header */ |
| 1474 | capacity = iwl_read_targ_mem(priv, base); |
| 1475 | mode = iwl_read_targ_mem(priv, base + (1 * sizeof(u32))); |
| 1476 | num_wraps = iwl_read_targ_mem(priv, base + (2 * sizeof(u32))); |
| 1477 | next_entry = iwl_read_targ_mem(priv, base + (3 * sizeof(u32))); |
| 1478 | |
| 1479 | size = num_wraps ? capacity : next_entry; |
| 1480 | |
| 1481 | /* bail out if nothing in log */ |
| 1482 | if (size == 0) { |
| 1483 | IWL_ERR(priv, "Start IWL Event Log Dump: nothing in log\n"); |
| 1484 | return; |
| 1485 | } |
| 1486 | |
| 1487 | IWL_ERR(priv, "Start IWL Event Log Dump: display count %d, wraps %d\n", |
| 1488 | size, num_wraps); |
| 1489 | |
| 1490 | /* if uCode has wrapped back to top of log, start at the oldest entry, |
| 1491 | * i.e the next one that uCode would fill. */ |
| 1492 | if (num_wraps) |
| 1493 | iwl_print_event_log(priv, next_entry, |
| 1494 | capacity - next_entry, mode); |
| 1495 | /* (then/else) start at top of log */ |
| 1496 | iwl_print_event_log(priv, 0, next_entry, mode); |
| 1497 | |
| 1498 | } |
Samuel Ortiz | 8ccde88 | 2009-01-27 14:27:52 -0800 | [diff] [blame] | 1499 | /** |
| 1500 | * iwl_irq_handle_error - called for HW or SW error interrupt from card |
| 1501 | */ |
| 1502 | void iwl_irq_handle_error(struct iwl_priv *priv) |
| 1503 | { |
| 1504 | /* Set the FW error flag -- cleared on iwl_down */ |
| 1505 | set_bit(STATUS_FW_ERROR, &priv->status); |
| 1506 | |
| 1507 | /* Cancel currently queued command. */ |
| 1508 | clear_bit(STATUS_HCMD_ACTIVE, &priv->status); |
| 1509 | |
| 1510 | #ifdef CONFIG_IWLWIFI_DEBUG |
Reinette Chatre | a562a9d | 2009-07-17 09:30:24 -0700 | [diff] [blame] | 1511 | if (iwl_debug_level & IWL_DL_FW_ERRORS) { |
Samuel Ortiz | 8ccde88 | 2009-01-27 14:27:52 -0800 | [diff] [blame] | 1512 | iwl_dump_nic_error_log(priv); |
| 1513 | iwl_dump_nic_event_log(priv); |
| 1514 | iwl_print_rx_config_cmd(priv); |
| 1515 | } |
| 1516 | #endif |
| 1517 | |
| 1518 | wake_up_interruptible(&priv->wait_command_queue); |
| 1519 | |
| 1520 | /* Keep the restart process from trying to send host |
| 1521 | * commands by clearing the INIT status bit */ |
| 1522 | clear_bit(STATUS_READY, &priv->status); |
| 1523 | |
| 1524 | if (!test_bit(STATUS_EXIT_PENDING, &priv->status)) { |
Tomas Winkler | e162344 | 2009-01-27 14:27:56 -0800 | [diff] [blame] | 1525 | IWL_DEBUG(priv, IWL_DL_FW_ERRORS, |
Samuel Ortiz | 8ccde88 | 2009-01-27 14:27:52 -0800 | [diff] [blame] | 1526 | "Restarting adapter due to uCode error.\n"); |
| 1527 | |
Samuel Ortiz | 8ccde88 | 2009-01-27 14:27:52 -0800 | [diff] [blame] | 1528 | if (priv->cfg->mod_params->restart_fw) |
| 1529 | queue_work(priv->workqueue, &priv->restart); |
| 1530 | } |
| 1531 | } |
| 1532 | EXPORT_SYMBOL(iwl_irq_handle_error); |
| 1533 | |
| 1534 | void iwl_configure_filter(struct ieee80211_hw *hw, |
| 1535 | unsigned int changed_flags, |
| 1536 | unsigned int *total_flags, |
| 1537 | int mc_count, struct dev_addr_list *mc_list) |
| 1538 | { |
| 1539 | struct iwl_priv *priv = hw->priv; |
| 1540 | __le32 *filter_flags = &priv->staging_rxon.filter_flags; |
| 1541 | |
Tomas Winkler | e162344 | 2009-01-27 14:27:56 -0800 | [diff] [blame] | 1542 | IWL_DEBUG_MAC80211(priv, "Enter: changed: 0x%x, total: 0x%x\n", |
Samuel Ortiz | 8ccde88 | 2009-01-27 14:27:52 -0800 | [diff] [blame] | 1543 | changed_flags, *total_flags); |
| 1544 | |
| 1545 | if (changed_flags & (FIF_OTHER_BSS | FIF_PROMISC_IN_BSS)) { |
| 1546 | if (*total_flags & (FIF_OTHER_BSS | FIF_PROMISC_IN_BSS)) |
| 1547 | *filter_flags |= RXON_FILTER_PROMISC_MSK; |
| 1548 | else |
| 1549 | *filter_flags &= ~RXON_FILTER_PROMISC_MSK; |
| 1550 | } |
| 1551 | if (changed_flags & FIF_ALLMULTI) { |
| 1552 | if (*total_flags & FIF_ALLMULTI) |
| 1553 | *filter_flags |= RXON_FILTER_ACCEPT_GRP_MSK; |
| 1554 | else |
| 1555 | *filter_flags &= ~RXON_FILTER_ACCEPT_GRP_MSK; |
| 1556 | } |
| 1557 | if (changed_flags & FIF_CONTROL) { |
| 1558 | if (*total_flags & FIF_CONTROL) |
| 1559 | *filter_flags |= RXON_FILTER_CTL2HOST_MSK; |
| 1560 | else |
| 1561 | *filter_flags &= ~RXON_FILTER_CTL2HOST_MSK; |
| 1562 | } |
| 1563 | if (changed_flags & FIF_BCN_PRBRESP_PROMISC) { |
| 1564 | if (*total_flags & FIF_BCN_PRBRESP_PROMISC) |
| 1565 | *filter_flags |= RXON_FILTER_BCON_AWARE_MSK; |
| 1566 | else |
| 1567 | *filter_flags &= ~RXON_FILTER_BCON_AWARE_MSK; |
| 1568 | } |
| 1569 | |
| 1570 | /* We avoid iwl_commit_rxon here to commit the new filter flags |
| 1571 | * since mac80211 will call ieee80211_hw_config immediately. |
| 1572 | * (mc_list is not supported at this time). Otherwise, we need to |
| 1573 | * queue a background iwl_commit_rxon work. |
| 1574 | */ |
| 1575 | |
| 1576 | *total_flags &= FIF_OTHER_BSS | FIF_ALLMULTI | FIF_PROMISC_IN_BSS | |
| 1577 | FIF_BCN_PRBRESP_PROMISC | FIF_CONTROL; |
| 1578 | } |
| 1579 | EXPORT_SYMBOL(iwl_configure_filter); |
| 1580 | |
Tomas Winkler | 6ba8795 | 2008-05-15 13:54:17 +0800 | [diff] [blame] | 1581 | int iwl_setup_mac(struct iwl_priv *priv) |
Assaf Krauss | bf85ea4 | 2008-03-14 10:38:49 -0700 | [diff] [blame] | 1582 | { |
Tomas Winkler | 6ba8795 | 2008-05-15 13:54:17 +0800 | [diff] [blame] | 1583 | int ret; |
Assaf Krauss | bf85ea4 | 2008-03-14 10:38:49 -0700 | [diff] [blame] | 1584 | struct ieee80211_hw *hw = priv->hw; |
Tomas Winkler | e227cea | 2008-07-18 13:53:05 +0800 | [diff] [blame] | 1585 | hw->rate_control_algorithm = "iwl-agn-rs"; |
Assaf Krauss | bf85ea4 | 2008-03-14 10:38:49 -0700 | [diff] [blame] | 1586 | |
Bruno Randolf | 566bfe5 | 2008-05-08 19:15:40 +0200 | [diff] [blame] | 1587 | /* Tell mac80211 our characteristics */ |
Johannes Berg | 605a0bd | 2008-07-15 10:10:01 +0200 | [diff] [blame] | 1588 | hw->flags = IEEE80211_HW_SIGNAL_DBM | |
Sujith | 8b30b1f | 2008-10-24 09:55:27 +0530 | [diff] [blame] | 1589 | IEEE80211_HW_NOISE_DBM | |
Johannes Berg | 4be8c38 | 2009-01-07 18:28:20 +0100 | [diff] [blame] | 1590 | IEEE80211_HW_AMPDU_AGGREGATION | |
Reinette Chatre | f55e668 | 2009-06-26 11:00:53 -0700 | [diff] [blame] | 1591 | IEEE80211_HW_SPECTRUM_MGMT | |
| 1592 | IEEE80211_HW_SUPPORTS_PS; |
Luis R. Rodriguez | f59ac04 | 2008-08-29 16:26:43 -0700 | [diff] [blame] | 1593 | hw->wiphy->interface_modes = |
Luis R. Rodriguez | f59ac04 | 2008-08-29 16:26:43 -0700 | [diff] [blame] | 1594 | BIT(NL80211_IFTYPE_STATION) | |
| 1595 | BIT(NL80211_IFTYPE_ADHOC); |
Luis R. Rodriguez | ea4a82dc | 2008-11-12 14:22:04 -0800 | [diff] [blame] | 1596 | |
Luis R. Rodriguez | 2a44f91 | 2009-01-22 15:05:49 -0800 | [diff] [blame] | 1597 | hw->wiphy->custom_regulatory = true; |
Johannes Berg | 1ecf9fc | 2009-04-20 14:36:56 -0700 | [diff] [blame] | 1598 | |
| 1599 | hw->wiphy->max_scan_ssids = PROBE_OPTION_MAX; |
| 1600 | /* we create the 802.11 header and a zero-length SSID element */ |
| 1601 | hw->wiphy->max_scan_ie_len = IWL_MAX_PROBE_REQUEST - 24 - 2; |
Luis R. Rodriguez | ea4a82dc | 2008-11-12 14:22:04 -0800 | [diff] [blame] | 1602 | |
Assaf Krauss | bf85ea4 | 2008-03-14 10:38:49 -0700 | [diff] [blame] | 1603 | /* Default value; 4 EDCA QOS priorities */ |
| 1604 | hw->queues = 4; |
Assaf Krauss | bf85ea4 | 2008-03-14 10:38:49 -0700 | [diff] [blame] | 1605 | |
Tomas Winkler | b5d7be5 | 2008-07-19 04:41:24 +0300 | [diff] [blame] | 1606 | hw->max_listen_interval = IWL_CONN_MAX_LISTEN_INTERVAL; |
Tomas Winkler | 6ba8795 | 2008-05-15 13:54:17 +0800 | [diff] [blame] | 1607 | |
| 1608 | if (priv->bands[IEEE80211_BAND_2GHZ].n_channels) |
| 1609 | priv->hw->wiphy->bands[IEEE80211_BAND_2GHZ] = |
| 1610 | &priv->bands[IEEE80211_BAND_2GHZ]; |
| 1611 | if (priv->bands[IEEE80211_BAND_5GHZ].n_channels) |
| 1612 | priv->hw->wiphy->bands[IEEE80211_BAND_5GHZ] = |
| 1613 | &priv->bands[IEEE80211_BAND_5GHZ]; |
| 1614 | |
| 1615 | ret = ieee80211_register_hw(priv->hw); |
| 1616 | if (ret) { |
Winkler, Tomas | 15b1687 | 2008-12-19 10:37:33 +0800 | [diff] [blame] | 1617 | IWL_ERR(priv, "Failed to register hw (error %d)\n", ret); |
Tomas Winkler | 6ba8795 | 2008-05-15 13:54:17 +0800 | [diff] [blame] | 1618 | return ret; |
| 1619 | } |
| 1620 | priv->mac80211_registered = 1; |
| 1621 | |
| 1622 | return 0; |
| 1623 | } |
| 1624 | EXPORT_SYMBOL(iwl_setup_mac); |
| 1625 | |
Ron Rindjunsky | da154e30 | 2008-06-30 17:23:20 +0800 | [diff] [blame] | 1626 | int iwl_set_hw_params(struct iwl_priv *priv) |
| 1627 | { |
Ron Rindjunsky | da154e30 | 2008-06-30 17:23:20 +0800 | [diff] [blame] | 1628 | priv->hw_params.max_rxq_size = RX_QUEUE_SIZE; |
| 1629 | priv->hw_params.max_rxq_log = RX_QUEUE_SIZE_LOG; |
| 1630 | if (priv->cfg->mod_params->amsdu_size_8K) |
| 1631 | priv->hw_params.rx_buf_size = IWL_RX_BUF_SIZE_8K; |
| 1632 | else |
| 1633 | priv->hw_params.rx_buf_size = IWL_RX_BUF_SIZE_4K; |
| 1634 | priv->hw_params.max_pkt_size = priv->hw_params.rx_buf_size - 256; |
| 1635 | |
Tomas Winkler | 2c2f3b3 | 2009-06-19 13:52:45 -0700 | [diff] [blame] | 1636 | priv->hw_params.max_beacon_itrvl = IWL_MAX_UCODE_BEACON_INTERVAL; |
| 1637 | |
Ron Rindjunsky | 4977929 | 2008-06-30 17:23:21 +0800 | [diff] [blame] | 1638 | if (priv->cfg->mod_params->disable_11n) |
| 1639 | priv->cfg->sku &= ~IWL_SKU_N; |
| 1640 | |
Ron Rindjunsky | da154e30 | 2008-06-30 17:23:20 +0800 | [diff] [blame] | 1641 | /* Device-specific setup */ |
| 1642 | return priv->cfg->ops->lib->set_hw_params(priv); |
| 1643 | } |
| 1644 | EXPORT_SYMBOL(iwl_set_hw_params); |
Tomas Winkler | 6ba8795 | 2008-05-15 13:54:17 +0800 | [diff] [blame] | 1645 | |
| 1646 | int iwl_init_drv(struct iwl_priv *priv) |
Ron Rindjunsky | c7de35c | 2008-04-23 17:15:05 -0700 | [diff] [blame] | 1647 | { |
| 1648 | int ret; |
Ron Rindjunsky | c7de35c | 2008-04-23 17:15:05 -0700 | [diff] [blame] | 1649 | |
Ron Rindjunsky | c7de35c | 2008-04-23 17:15:05 -0700 | [diff] [blame] | 1650 | priv->ibss_beacon = NULL; |
| 1651 | |
| 1652 | spin_lock_init(&priv->lock); |
Ron Rindjunsky | c7de35c | 2008-04-23 17:15:05 -0700 | [diff] [blame] | 1653 | spin_lock_init(&priv->sta_lock); |
| 1654 | spin_lock_init(&priv->hcmd_lock); |
Ron Rindjunsky | c7de35c | 2008-04-23 17:15:05 -0700 | [diff] [blame] | 1655 | |
Ron Rindjunsky | c7de35c | 2008-04-23 17:15:05 -0700 | [diff] [blame] | 1656 | INIT_LIST_HEAD(&priv->free_frames); |
| 1657 | |
| 1658 | mutex_init(&priv->mutex); |
| 1659 | |
| 1660 | /* Clear the driver's (not device's) station table */ |
Tomas Winkler | c587de0 | 2009-06-03 11:44:07 -0700 | [diff] [blame] | 1661 | iwl_clear_stations_table(priv); |
Ron Rindjunsky | c7de35c | 2008-04-23 17:15:05 -0700 | [diff] [blame] | 1662 | |
| 1663 | priv->data_retry_limit = -1; |
| 1664 | priv->ieee_channels = NULL; |
| 1665 | priv->ieee_rates = NULL; |
| 1666 | priv->band = IEEE80211_BAND_2GHZ; |
| 1667 | |
Johannes Berg | 05c914f | 2008-09-11 00:01:58 +0200 | [diff] [blame] | 1668 | priv->iw_mode = NL80211_IFTYPE_STATION; |
Ron Rindjunsky | c7de35c | 2008-04-23 17:15:05 -0700 | [diff] [blame] | 1669 | |
Ron Rindjunsky | 12837be | 2008-09-03 11:26:47 +0800 | [diff] [blame] | 1670 | priv->current_ht_config.sm_ps = WLAN_HT_CAP_SM_PS_DISABLED; |
Ron Rindjunsky | c7de35c | 2008-04-23 17:15:05 -0700 | [diff] [blame] | 1671 | |
| 1672 | /* Choose which receivers/antennas to use */ |
Abhijeet Kolekar | 4582353 | 2009-04-08 11:26:44 -0700 | [diff] [blame] | 1673 | if (priv->cfg->ops->hcmd->set_rxon_chain) |
| 1674 | priv->cfg->ops->hcmd->set_rxon_chain(priv); |
| 1675 | |
Tomas Winkler | f53696d | 2008-06-12 09:47:12 +0800 | [diff] [blame] | 1676 | iwl_init_scan_params(priv); |
Ron Rindjunsky | c7de35c | 2008-04-23 17:15:05 -0700 | [diff] [blame] | 1677 | |
| 1678 | iwl_reset_qos(priv); |
| 1679 | |
| 1680 | priv->qos_data.qos_active = 0; |
| 1681 | priv->qos_data.qos_cap.val = 0; |
| 1682 | |
Ron Rindjunsky | c7de35c | 2008-04-23 17:15:05 -0700 | [diff] [blame] | 1683 | priv->rates_mask = IWL_RATES_MASK; |
Winkler, Tomas | d25aabb | 2009-01-27 14:27:58 -0800 | [diff] [blame] | 1684 | /* If power management is turned on, default to CAM mode */ |
| 1685 | priv->power_mode = IWL_POWER_MODE_CAM; |
Tomas Winkler | 630fe9b | 2008-06-12 09:47:08 +0800 | [diff] [blame] | 1686 | priv->tx_power_user_lmt = IWL_TX_POWER_TARGET_POWER_MAX; |
Ron Rindjunsky | c7de35c | 2008-04-23 17:15:05 -0700 | [diff] [blame] | 1687 | |
| 1688 | ret = iwl_init_channel_map(priv); |
| 1689 | if (ret) { |
Winkler, Tomas | 15b1687 | 2008-12-19 10:37:33 +0800 | [diff] [blame] | 1690 | IWL_ERR(priv, "initializing regulatory failed: %d\n", ret); |
Ron Rindjunsky | c7de35c | 2008-04-23 17:15:05 -0700 | [diff] [blame] | 1691 | goto err; |
| 1692 | } |
| 1693 | |
| 1694 | ret = iwlcore_init_geos(priv); |
| 1695 | if (ret) { |
Winkler, Tomas | 15b1687 | 2008-12-19 10:37:33 +0800 | [diff] [blame] | 1696 | IWL_ERR(priv, "initializing geos failed: %d\n", ret); |
Ron Rindjunsky | c7de35c | 2008-04-23 17:15:05 -0700 | [diff] [blame] | 1697 | goto err_free_channel_map; |
| 1698 | } |
Samuel Ortiz | 534166d | 2009-01-23 13:45:16 -0800 | [diff] [blame] | 1699 | iwlcore_init_hw_rates(priv, priv->ieee_rates); |
Ron Rindjunsky | c7de35c | 2008-04-23 17:15:05 -0700 | [diff] [blame] | 1700 | |
Ron Rindjunsky | c7de35c | 2008-04-23 17:15:05 -0700 | [diff] [blame] | 1701 | return 0; |
| 1702 | |
Ron Rindjunsky | c7de35c | 2008-04-23 17:15:05 -0700 | [diff] [blame] | 1703 | err_free_channel_map: |
| 1704 | iwl_free_channel_map(priv); |
| 1705 | err: |
| 1706 | return ret; |
| 1707 | } |
Tomas Winkler | 6ba8795 | 2008-05-15 13:54:17 +0800 | [diff] [blame] | 1708 | EXPORT_SYMBOL(iwl_init_drv); |
Ron Rindjunsky | c7de35c | 2008-04-23 17:15:05 -0700 | [diff] [blame] | 1709 | |
Tomas Winkler | 630fe9b | 2008-06-12 09:47:08 +0800 | [diff] [blame] | 1710 | int iwl_set_tx_power(struct iwl_priv *priv, s8 tx_power, bool force) |
| 1711 | { |
| 1712 | int ret = 0; |
| 1713 | if (tx_power < IWL_TX_POWER_TARGET_POWER_MIN) { |
Wu, Fengguang | daf518d | 2009-02-13 11:51:17 -0800 | [diff] [blame] | 1714 | IWL_WARN(priv, "Requested user TXPOWER %d below lower limit %d.\n", |
| 1715 | tx_power, |
| 1716 | IWL_TX_POWER_TARGET_POWER_MIN); |
Tomas Winkler | 630fe9b | 2008-06-12 09:47:08 +0800 | [diff] [blame] | 1717 | return -EINVAL; |
| 1718 | } |
| 1719 | |
| 1720 | if (tx_power > IWL_TX_POWER_TARGET_POWER_MAX) { |
Wu, Fengguang | daf518d | 2009-02-13 11:51:17 -0800 | [diff] [blame] | 1721 | IWL_WARN(priv, "Requested user TXPOWER %d above upper limit %d.\n", |
| 1722 | tx_power, |
| 1723 | IWL_TX_POWER_TARGET_POWER_MAX); |
Tomas Winkler | 630fe9b | 2008-06-12 09:47:08 +0800 | [diff] [blame] | 1724 | return -EINVAL; |
| 1725 | } |
| 1726 | |
| 1727 | if (priv->tx_power_user_lmt != tx_power) |
| 1728 | force = true; |
| 1729 | |
| 1730 | priv->tx_power_user_lmt = tx_power; |
| 1731 | |
Mohamed Abbas | 019fb97 | 2009-03-17 21:59:18 -0700 | [diff] [blame] | 1732 | /* if nic is not up don't send command */ |
| 1733 | if (!iwl_is_ready_rf(priv)) |
| 1734 | return ret; |
| 1735 | |
Tomas Winkler | 630fe9b | 2008-06-12 09:47:08 +0800 | [diff] [blame] | 1736 | if (force && priv->cfg->ops->lib->send_tx_power) |
| 1737 | ret = priv->cfg->ops->lib->send_tx_power(priv); |
| 1738 | |
| 1739 | return ret; |
| 1740 | } |
| 1741 | EXPORT_SYMBOL(iwl_set_tx_power); |
| 1742 | |
Tomas Winkler | 6ba8795 | 2008-05-15 13:54:17 +0800 | [diff] [blame] | 1743 | void iwl_uninit_drv(struct iwl_priv *priv) |
Assaf Krauss | bf85ea4 | 2008-03-14 10:38:49 -0700 | [diff] [blame] | 1744 | { |
Tomas Winkler | 6e21f2c | 2008-09-03 11:26:37 +0800 | [diff] [blame] | 1745 | iwl_calib_free_results(priv); |
Tomas Winkler | 6ba8795 | 2008-05-15 13:54:17 +0800 | [diff] [blame] | 1746 | iwlcore_free_geos(priv); |
| 1747 | iwl_free_channel_map(priv); |
Emmanuel Grumbach | 261415f | 2008-05-29 16:35:25 +0800 | [diff] [blame] | 1748 | kfree(priv->scan); |
Assaf Krauss | bf85ea4 | 2008-03-14 10:38:49 -0700 | [diff] [blame] | 1749 | } |
Tomas Winkler | 6ba8795 | 2008-05-15 13:54:17 +0800 | [diff] [blame] | 1750 | EXPORT_SYMBOL(iwl_uninit_drv); |
Assaf Krauss | bf85ea4 | 2008-03-14 10:38:49 -0700 | [diff] [blame] | 1751 | |
Mohamed Abbas | ef850d7 | 2009-05-22 11:01:50 -0700 | [diff] [blame] | 1752 | #define ICT_COUNT (PAGE_SIZE/sizeof(u32)) |
| 1753 | |
| 1754 | /* Free dram table */ |
| 1755 | void iwl_free_isr_ict(struct iwl_priv *priv) |
| 1756 | { |
| 1757 | if (priv->ict_tbl_vir) { |
| 1758 | pci_free_consistent(priv->pci_dev, (sizeof(u32) * ICT_COUNT) + |
| 1759 | PAGE_SIZE, priv->ict_tbl_vir, |
| 1760 | priv->ict_tbl_dma); |
| 1761 | priv->ict_tbl_vir = NULL; |
| 1762 | } |
| 1763 | } |
| 1764 | EXPORT_SYMBOL(iwl_free_isr_ict); |
| 1765 | |
| 1766 | |
| 1767 | /* allocate dram shared table it is a PAGE_SIZE aligned |
| 1768 | * also reset all data related to ICT table interrupt. |
| 1769 | */ |
| 1770 | int iwl_alloc_isr_ict(struct iwl_priv *priv) |
| 1771 | { |
| 1772 | |
| 1773 | if (priv->cfg->use_isr_legacy) |
| 1774 | return 0; |
| 1775 | /* allocate shrared data table */ |
| 1776 | priv->ict_tbl_vir = pci_alloc_consistent(priv->pci_dev, (sizeof(u32) * |
| 1777 | ICT_COUNT) + PAGE_SIZE, |
| 1778 | &priv->ict_tbl_dma); |
| 1779 | if (!priv->ict_tbl_vir) |
| 1780 | return -ENOMEM; |
| 1781 | |
| 1782 | /* align table to PAGE_SIZE boundry */ |
| 1783 | priv->aligned_ict_tbl_dma = ALIGN(priv->ict_tbl_dma, PAGE_SIZE); |
| 1784 | |
| 1785 | IWL_DEBUG_ISR(priv, "ict dma addr %Lx dma aligned %Lx diff %d\n", |
| 1786 | (unsigned long long)priv->ict_tbl_dma, |
| 1787 | (unsigned long long)priv->aligned_ict_tbl_dma, |
| 1788 | (int)(priv->aligned_ict_tbl_dma - priv->ict_tbl_dma)); |
| 1789 | |
| 1790 | priv->ict_tbl = priv->ict_tbl_vir + |
| 1791 | (priv->aligned_ict_tbl_dma - priv->ict_tbl_dma); |
| 1792 | |
| 1793 | IWL_DEBUG_ISR(priv, "ict vir addr %p vir aligned %p diff %d\n", |
| 1794 | priv->ict_tbl, priv->ict_tbl_vir, |
| 1795 | (int)(priv->aligned_ict_tbl_dma - priv->ict_tbl_dma)); |
| 1796 | |
| 1797 | /* reset table and index to all 0 */ |
| 1798 | memset(priv->ict_tbl_vir,0, (sizeof(u32) * ICT_COUNT) + PAGE_SIZE); |
| 1799 | priv->ict_index = 0; |
| 1800 | |
Mohamed Abbas | 40cefda | 2009-05-22 11:01:52 -0700 | [diff] [blame] | 1801 | /* add periodic RX interrupt */ |
| 1802 | priv->inta_mask |= CSR_INT_BIT_RX_PERIODIC; |
Mohamed Abbas | ef850d7 | 2009-05-22 11:01:50 -0700 | [diff] [blame] | 1803 | return 0; |
| 1804 | } |
| 1805 | EXPORT_SYMBOL(iwl_alloc_isr_ict); |
| 1806 | |
| 1807 | /* Device is going up inform it about using ICT interrupt table, |
| 1808 | * also we need to tell the driver to start using ICT interrupt. |
| 1809 | */ |
| 1810 | int iwl_reset_ict(struct iwl_priv *priv) |
| 1811 | { |
| 1812 | u32 val; |
| 1813 | unsigned long flags; |
| 1814 | |
| 1815 | if (!priv->ict_tbl_vir) |
| 1816 | return 0; |
| 1817 | |
| 1818 | spin_lock_irqsave(&priv->lock, flags); |
| 1819 | iwl_disable_interrupts(priv); |
| 1820 | |
| 1821 | memset(&priv->ict_tbl[0],0, sizeof(u32) * ICT_COUNT); |
| 1822 | |
| 1823 | val = priv->aligned_ict_tbl_dma >> PAGE_SHIFT; |
| 1824 | |
| 1825 | val |= CSR_DRAM_INT_TBL_ENABLE; |
| 1826 | val |= CSR_DRAM_INIT_TBL_WRAP_CHECK; |
| 1827 | |
| 1828 | IWL_DEBUG_ISR(priv, "CSR_DRAM_INT_TBL_REG =0x%X " |
| 1829 | "aligned dma address %Lx\n", |
| 1830 | val, (unsigned long long)priv->aligned_ict_tbl_dma); |
| 1831 | |
| 1832 | iwl_write32(priv, CSR_DRAM_INT_TBL_REG, val); |
| 1833 | priv->use_ict = true; |
| 1834 | priv->ict_index = 0; |
Mohamed Abbas | 40cefda | 2009-05-22 11:01:52 -0700 | [diff] [blame] | 1835 | iwl_write32(priv, CSR_INT, priv->inta_mask); |
Mohamed Abbas | ef850d7 | 2009-05-22 11:01:50 -0700 | [diff] [blame] | 1836 | iwl_enable_interrupts(priv); |
| 1837 | spin_unlock_irqrestore(&priv->lock, flags); |
| 1838 | |
| 1839 | return 0; |
| 1840 | } |
| 1841 | EXPORT_SYMBOL(iwl_reset_ict); |
| 1842 | |
| 1843 | /* Device is going down disable ict interrupt usage */ |
| 1844 | void iwl_disable_ict(struct iwl_priv *priv) |
| 1845 | { |
| 1846 | unsigned long flags; |
| 1847 | |
| 1848 | spin_lock_irqsave(&priv->lock, flags); |
| 1849 | priv->use_ict = false; |
| 1850 | spin_unlock_irqrestore(&priv->lock, flags); |
| 1851 | } |
| 1852 | EXPORT_SYMBOL(iwl_disable_ict); |
| 1853 | |
| 1854 | /* interrupt handler using ict table, with this interrupt driver will |
| 1855 | * stop using INTA register to get device's interrupt, reading this register |
| 1856 | * is expensive, device will write interrupts in ICT dram table, increment |
| 1857 | * index then will fire interrupt to driver, driver will OR all ICT table |
| 1858 | * entries from current index up to table entry with 0 value. the result is |
| 1859 | * the interrupt we need to service, driver will set the entries back to 0 and |
| 1860 | * set index. |
| 1861 | */ |
| 1862 | irqreturn_t iwl_isr_ict(int irq, void *data) |
| 1863 | { |
| 1864 | struct iwl_priv *priv = data; |
| 1865 | u32 inta, inta_mask; |
| 1866 | u32 val = 0; |
| 1867 | |
| 1868 | if (!priv) |
| 1869 | return IRQ_NONE; |
| 1870 | |
| 1871 | /* dram interrupt table not set yet, |
| 1872 | * use legacy interrupt. |
| 1873 | */ |
| 1874 | if (!priv->use_ict) |
| 1875 | return iwl_isr(irq, data); |
| 1876 | |
| 1877 | spin_lock(&priv->lock); |
| 1878 | |
| 1879 | /* Disable (but don't clear!) interrupts here to avoid |
| 1880 | * back-to-back ISRs and sporadic interrupts from our NIC. |
| 1881 | * If we have something to service, the tasklet will re-enable ints. |
| 1882 | * If we *don't* have something, we'll re-enable before leaving here. |
| 1883 | */ |
| 1884 | inta_mask = iwl_read32(priv, CSR_INT_MASK); /* just for debug */ |
| 1885 | iwl_write32(priv, CSR_INT_MASK, 0x00000000); |
| 1886 | |
| 1887 | |
| 1888 | /* Ignore interrupt if there's nothing in NIC to service. |
| 1889 | * This may be due to IRQ shared with another device, |
| 1890 | * or due to sporadic interrupts thrown from our NIC. */ |
| 1891 | if (!priv->ict_tbl[priv->ict_index]) { |
| 1892 | IWL_DEBUG_ISR(priv, "Ignore interrupt, inta == 0\n"); |
| 1893 | goto none; |
| 1894 | } |
| 1895 | |
| 1896 | /* read all entries that not 0 start with ict_index */ |
| 1897 | while (priv->ict_tbl[priv->ict_index]) { |
| 1898 | |
| 1899 | val |= priv->ict_tbl[priv->ict_index]; |
| 1900 | IWL_DEBUG_ISR(priv, "ICT index %d value 0x%08X\n", |
| 1901 | priv->ict_index, |
| 1902 | priv->ict_tbl[priv->ict_index]); |
| 1903 | priv->ict_tbl[priv->ict_index] = 0; |
| 1904 | priv->ict_index = iwl_queue_inc_wrap(priv->ict_index, |
| 1905 | ICT_COUNT); |
| 1906 | |
| 1907 | } |
| 1908 | |
| 1909 | /* We should not get this value, just ignore it. */ |
| 1910 | if (val == 0xffffffff) |
| 1911 | val = 0; |
| 1912 | |
| 1913 | inta = (0xff & val) | ((0xff00 & val) << 16); |
| 1914 | IWL_DEBUG_ISR(priv, "ISR inta 0x%08x, enabled 0x%08x ict 0x%08x\n", |
| 1915 | inta, inta_mask, val); |
| 1916 | |
Mohamed Abbas | 40cefda | 2009-05-22 11:01:52 -0700 | [diff] [blame] | 1917 | inta &= priv->inta_mask; |
Mohamed Abbas | ef850d7 | 2009-05-22 11:01:50 -0700 | [diff] [blame] | 1918 | priv->inta |= inta; |
| 1919 | |
| 1920 | /* iwl_irq_tasklet() will service interrupts and re-enable them */ |
| 1921 | if (likely(inta)) |
| 1922 | tasklet_schedule(&priv->irq_tasklet); |
| 1923 | else if (test_bit(STATUS_INT_ENABLED, &priv->status) && !priv->inta) { |
| 1924 | /* Allow interrupt if was disabled by this handler and |
| 1925 | * no tasklet was schedules, We should not enable interrupt, |
| 1926 | * tasklet will enable it. |
| 1927 | */ |
| 1928 | iwl_enable_interrupts(priv); |
| 1929 | } |
| 1930 | |
| 1931 | spin_unlock(&priv->lock); |
| 1932 | return IRQ_HANDLED; |
| 1933 | |
| 1934 | none: |
| 1935 | /* re-enable interrupts here since we don't have anything to service. |
| 1936 | * only Re-enable if disabled by irq. |
| 1937 | */ |
| 1938 | if (test_bit(STATUS_INT_ENABLED, &priv->status) && !priv->inta) |
| 1939 | iwl_enable_interrupts(priv); |
| 1940 | |
| 1941 | spin_unlock(&priv->lock); |
| 1942 | return IRQ_NONE; |
| 1943 | } |
| 1944 | EXPORT_SYMBOL(iwl_isr_ict); |
| 1945 | |
| 1946 | |
| 1947 | static irqreturn_t iwl_isr(int irq, void *data) |
| 1948 | { |
| 1949 | struct iwl_priv *priv = data; |
| 1950 | u32 inta, inta_mask; |
Rami Rosen | d651ae3 | 2009-05-24 20:43:50 +0300 | [diff] [blame] | 1951 | #ifdef CONFIG_IWLWIFI_DEBUG |
Mohamed Abbas | ef850d7 | 2009-05-22 11:01:50 -0700 | [diff] [blame] | 1952 | u32 inta_fh; |
Rami Rosen | d651ae3 | 2009-05-24 20:43:50 +0300 | [diff] [blame] | 1953 | #endif |
Mohamed Abbas | ef850d7 | 2009-05-22 11:01:50 -0700 | [diff] [blame] | 1954 | if (!priv) |
| 1955 | return IRQ_NONE; |
| 1956 | |
| 1957 | spin_lock(&priv->lock); |
| 1958 | |
| 1959 | /* Disable (but don't clear!) interrupts here to avoid |
| 1960 | * back-to-back ISRs and sporadic interrupts from our NIC. |
| 1961 | * If we have something to service, the tasklet will re-enable ints. |
| 1962 | * If we *don't* have something, we'll re-enable before leaving here. */ |
| 1963 | inta_mask = iwl_read32(priv, CSR_INT_MASK); /* just for debug */ |
| 1964 | iwl_write32(priv, CSR_INT_MASK, 0x00000000); |
| 1965 | |
| 1966 | /* Discover which interrupts are active/pending */ |
| 1967 | inta = iwl_read32(priv, CSR_INT); |
| 1968 | |
| 1969 | /* Ignore interrupt if there's nothing in NIC to service. |
| 1970 | * This may be due to IRQ shared with another device, |
| 1971 | * or due to sporadic interrupts thrown from our NIC. */ |
| 1972 | if (!inta) { |
| 1973 | IWL_DEBUG_ISR(priv, "Ignore interrupt, inta == 0\n"); |
| 1974 | goto none; |
| 1975 | } |
| 1976 | |
| 1977 | if ((inta == 0xFFFFFFFF) || ((inta & 0xFFFFFFF0) == 0xa5a5a5a0)) { |
| 1978 | /* Hardware disappeared. It might have already raised |
| 1979 | * an interrupt */ |
| 1980 | IWL_WARN(priv, "HARDWARE GONE?? INTA == 0x%08x\n", inta); |
| 1981 | goto unplugged; |
| 1982 | } |
| 1983 | |
| 1984 | #ifdef CONFIG_IWLWIFI_DEBUG |
Reinette Chatre | a562a9d | 2009-07-17 09:30:24 -0700 | [diff] [blame] | 1985 | if (iwl_debug_level & (IWL_DL_ISR)) { |
Mohamed Abbas | ef850d7 | 2009-05-22 11:01:50 -0700 | [diff] [blame] | 1986 | inta_fh = iwl_read32(priv, CSR_FH_INT_STATUS); |
| 1987 | IWL_DEBUG_ISR(priv, "ISR inta 0x%08x, enabled 0x%08x, " |
| 1988 | "fh 0x%08x\n", inta, inta_mask, inta_fh); |
| 1989 | } |
| 1990 | #endif |
| 1991 | |
| 1992 | priv->inta |= inta; |
| 1993 | /* iwl_irq_tasklet() will service interrupts and re-enable them */ |
| 1994 | if (likely(inta)) |
| 1995 | tasklet_schedule(&priv->irq_tasklet); |
| 1996 | else if (test_bit(STATUS_INT_ENABLED, &priv->status) && !priv->inta) |
| 1997 | iwl_enable_interrupts(priv); |
| 1998 | |
| 1999 | unplugged: |
| 2000 | spin_unlock(&priv->lock); |
| 2001 | return IRQ_HANDLED; |
| 2002 | |
| 2003 | none: |
| 2004 | /* re-enable interrupts here since we don't have anything to service. */ |
| 2005 | /* only Re-enable if diabled by irq and no schedules tasklet. */ |
| 2006 | if (test_bit(STATUS_INT_ENABLED, &priv->status) && !priv->inta) |
| 2007 | iwl_enable_interrupts(priv); |
| 2008 | |
| 2009 | spin_unlock(&priv->lock); |
| 2010 | return IRQ_NONE; |
| 2011 | } |
| 2012 | |
| 2013 | irqreturn_t iwl_isr_legacy(int irq, void *data) |
Abhijeet Kolekar | f17d08a | 2009-02-18 15:54:31 -0800 | [diff] [blame] | 2014 | { |
| 2015 | struct iwl_priv *priv = data; |
| 2016 | u32 inta, inta_mask; |
| 2017 | u32 inta_fh; |
| 2018 | if (!priv) |
| 2019 | return IRQ_NONE; |
| 2020 | |
| 2021 | spin_lock(&priv->lock); |
| 2022 | |
| 2023 | /* Disable (but don't clear!) interrupts here to avoid |
| 2024 | * back-to-back ISRs and sporadic interrupts from our NIC. |
| 2025 | * If we have something to service, the tasklet will re-enable ints. |
| 2026 | * If we *don't* have something, we'll re-enable before leaving here. */ |
| 2027 | inta_mask = iwl_read32(priv, CSR_INT_MASK); /* just for debug */ |
| 2028 | iwl_write32(priv, CSR_INT_MASK, 0x00000000); |
| 2029 | |
| 2030 | /* Discover which interrupts are active/pending */ |
| 2031 | inta = iwl_read32(priv, CSR_INT); |
| 2032 | inta_fh = iwl_read32(priv, CSR_FH_INT_STATUS); |
| 2033 | |
| 2034 | /* Ignore interrupt if there's nothing in NIC to service. |
| 2035 | * This may be due to IRQ shared with another device, |
| 2036 | * or due to sporadic interrupts thrown from our NIC. */ |
| 2037 | if (!inta && !inta_fh) { |
| 2038 | IWL_DEBUG_ISR(priv, "Ignore interrupt, inta == 0, inta_fh == 0\n"); |
| 2039 | goto none; |
| 2040 | } |
| 2041 | |
| 2042 | if ((inta == 0xFFFFFFFF) || ((inta & 0xFFFFFFF0) == 0xa5a5a5a0)) { |
| 2043 | /* Hardware disappeared. It might have already raised |
| 2044 | * an interrupt */ |
| 2045 | IWL_WARN(priv, "HARDWARE GONE?? INTA == 0x%08x\n", inta); |
| 2046 | goto unplugged; |
| 2047 | } |
| 2048 | |
| 2049 | IWL_DEBUG_ISR(priv, "ISR inta 0x%08x, enabled 0x%08x, fh 0x%08x\n", |
| 2050 | inta, inta_mask, inta_fh); |
| 2051 | |
| 2052 | inta &= ~CSR_INT_BIT_SCD; |
| 2053 | |
| 2054 | /* iwl_irq_tasklet() will service interrupts and re-enable them */ |
| 2055 | if (likely(inta || inta_fh)) |
| 2056 | tasklet_schedule(&priv->irq_tasklet); |
| 2057 | |
| 2058 | unplugged: |
| 2059 | spin_unlock(&priv->lock); |
| 2060 | return IRQ_HANDLED; |
| 2061 | |
| 2062 | none: |
| 2063 | /* re-enable interrupts here since we don't have anything to service. */ |
| 2064 | /* only Re-enable if diabled by irq */ |
| 2065 | if (test_bit(STATUS_INT_ENABLED, &priv->status)) |
| 2066 | iwl_enable_interrupts(priv); |
| 2067 | spin_unlock(&priv->lock); |
| 2068 | return IRQ_NONE; |
| 2069 | } |
Mohamed Abbas | ef850d7 | 2009-05-22 11:01:50 -0700 | [diff] [blame] | 2070 | EXPORT_SYMBOL(iwl_isr_legacy); |
Abhijeet Kolekar | f17d08a | 2009-02-18 15:54:31 -0800 | [diff] [blame] | 2071 | |
Samuel Ortiz | 17f841c | 2009-01-23 13:45:20 -0800 | [diff] [blame] | 2072 | int iwl_send_bt_config(struct iwl_priv *priv) |
| 2073 | { |
| 2074 | struct iwl_bt_cmd bt_cmd = { |
| 2075 | .flags = 3, |
| 2076 | .lead_time = 0xAA, |
| 2077 | .max_kill = 1, |
| 2078 | .kill_ack_mask = 0, |
| 2079 | .kill_cts_mask = 0, |
| 2080 | }; |
| 2081 | |
| 2082 | return iwl_send_cmd_pdu(priv, REPLY_BT_CONFIG, |
| 2083 | sizeof(struct iwl_bt_cmd), &bt_cmd); |
| 2084 | } |
| 2085 | EXPORT_SYMBOL(iwl_send_bt_config); |
| 2086 | |
Emmanuel Grumbach | 49ea859 | 2008-04-15 16:01:37 -0700 | [diff] [blame] | 2087 | int iwl_send_statistics_request(struct iwl_priv *priv, u8 flags) |
| 2088 | { |
| 2089 | u32 stat_flags = 0; |
| 2090 | struct iwl_host_cmd cmd = { |
| 2091 | .id = REPLY_STATISTICS_CMD, |
| 2092 | .meta.flags = flags, |
| 2093 | .len = sizeof(stat_flags), |
| 2094 | .data = (u8 *) &stat_flags, |
| 2095 | }; |
| 2096 | return iwl_send_cmd(priv, &cmd); |
| 2097 | } |
| 2098 | EXPORT_SYMBOL(iwl_send_statistics_request); |
Tomas Winkler | 7e8c519 | 2008-04-15 16:01:43 -0700 | [diff] [blame] | 2099 | |
Emmanuel Grumbach | b0692f2 | 2008-04-24 11:55:18 -0700 | [diff] [blame] | 2100 | /** |
| 2101 | * iwl_verify_inst_sparse - verify runtime uCode image in card vs. host, |
| 2102 | * using sample data 100 bytes apart. If these sample points are good, |
| 2103 | * it's a pretty good bet that everything between them is good, too. |
| 2104 | */ |
| 2105 | static int iwlcore_verify_inst_sparse(struct iwl_priv *priv, __le32 *image, u32 len) |
| 2106 | { |
| 2107 | u32 val; |
| 2108 | int ret = 0; |
| 2109 | u32 errcnt = 0; |
| 2110 | u32 i; |
| 2111 | |
Tomas Winkler | e162344 | 2009-01-27 14:27:56 -0800 | [diff] [blame] | 2112 | IWL_DEBUG_INFO(priv, "ucode inst image size is %u\n", len); |
Emmanuel Grumbach | b0692f2 | 2008-04-24 11:55:18 -0700 | [diff] [blame] | 2113 | |
Emmanuel Grumbach | b0692f2 | 2008-04-24 11:55:18 -0700 | [diff] [blame] | 2114 | for (i = 0; i < len; i += 100, image += 100/sizeof(u32)) { |
| 2115 | /* read data comes through single port, auto-incr addr */ |
| 2116 | /* NOTE: Use the debugless read so we don't flood kernel log |
| 2117 | * if IWL_DL_IO is set */ |
| 2118 | iwl_write_direct32(priv, HBUS_TARG_MEM_RADDR, |
Samuel Ortiz | 250bdd2 | 2008-12-19 10:37:11 +0800 | [diff] [blame] | 2119 | i + IWL49_RTC_INST_LOWER_BOUND); |
Emmanuel Grumbach | b0692f2 | 2008-04-24 11:55:18 -0700 | [diff] [blame] | 2120 | val = _iwl_read_direct32(priv, HBUS_TARG_MEM_RDAT); |
| 2121 | if (val != le32_to_cpu(*image)) { |
| 2122 | ret = -EIO; |
| 2123 | errcnt++; |
| 2124 | if (errcnt >= 3) |
| 2125 | break; |
| 2126 | } |
| 2127 | } |
| 2128 | |
Emmanuel Grumbach | b0692f2 | 2008-04-24 11:55:18 -0700 | [diff] [blame] | 2129 | return ret; |
| 2130 | } |
| 2131 | |
| 2132 | /** |
| 2133 | * iwlcore_verify_inst_full - verify runtime uCode image in card vs. host, |
| 2134 | * looking at all data. |
| 2135 | */ |
| 2136 | static int iwl_verify_inst_full(struct iwl_priv *priv, __le32 *image, |
| 2137 | u32 len) |
| 2138 | { |
| 2139 | u32 val; |
| 2140 | u32 save_len = len; |
| 2141 | int ret = 0; |
| 2142 | u32 errcnt; |
| 2143 | |
Tomas Winkler | e162344 | 2009-01-27 14:27:56 -0800 | [diff] [blame] | 2144 | IWL_DEBUG_INFO(priv, "ucode inst image size is %u\n", len); |
Emmanuel Grumbach | b0692f2 | 2008-04-24 11:55:18 -0700 | [diff] [blame] | 2145 | |
Samuel Ortiz | 250bdd2 | 2008-12-19 10:37:11 +0800 | [diff] [blame] | 2146 | iwl_write_direct32(priv, HBUS_TARG_MEM_RADDR, |
| 2147 | IWL49_RTC_INST_LOWER_BOUND); |
Emmanuel Grumbach | b0692f2 | 2008-04-24 11:55:18 -0700 | [diff] [blame] | 2148 | |
| 2149 | errcnt = 0; |
| 2150 | for (; len > 0; len -= sizeof(u32), image++) { |
| 2151 | /* read data comes through single port, auto-incr addr */ |
| 2152 | /* NOTE: Use the debugless read so we don't flood kernel log |
| 2153 | * if IWL_DL_IO is set */ |
| 2154 | val = _iwl_read_direct32(priv, HBUS_TARG_MEM_RDAT); |
| 2155 | if (val != le32_to_cpu(*image)) { |
Winkler, Tomas | 15b1687 | 2008-12-19 10:37:33 +0800 | [diff] [blame] | 2156 | IWL_ERR(priv, "uCode INST section is invalid at " |
Emmanuel Grumbach | b0692f2 | 2008-04-24 11:55:18 -0700 | [diff] [blame] | 2157 | "offset 0x%x, is 0x%x, s/b 0x%x\n", |
| 2158 | save_len - len, val, le32_to_cpu(*image)); |
| 2159 | ret = -EIO; |
| 2160 | errcnt++; |
| 2161 | if (errcnt >= 20) |
| 2162 | break; |
| 2163 | } |
| 2164 | } |
| 2165 | |
Emmanuel Grumbach | b0692f2 | 2008-04-24 11:55:18 -0700 | [diff] [blame] | 2166 | if (!errcnt) |
Tomas Winkler | e162344 | 2009-01-27 14:27:56 -0800 | [diff] [blame] | 2167 | IWL_DEBUG_INFO(priv, |
| 2168 | "ucode image in INSTRUCTION memory is good\n"); |
Emmanuel Grumbach | b0692f2 | 2008-04-24 11:55:18 -0700 | [diff] [blame] | 2169 | |
| 2170 | return ret; |
| 2171 | } |
| 2172 | |
| 2173 | /** |
| 2174 | * iwl_verify_ucode - determine which instruction image is in SRAM, |
| 2175 | * and verify its contents |
| 2176 | */ |
| 2177 | int iwl_verify_ucode(struct iwl_priv *priv) |
| 2178 | { |
| 2179 | __le32 *image; |
| 2180 | u32 len; |
| 2181 | int ret; |
| 2182 | |
| 2183 | /* Try bootstrap */ |
| 2184 | image = (__le32 *)priv->ucode_boot.v_addr; |
| 2185 | len = priv->ucode_boot.len; |
| 2186 | ret = iwlcore_verify_inst_sparse(priv, image, len); |
| 2187 | if (!ret) { |
Tomas Winkler | e162344 | 2009-01-27 14:27:56 -0800 | [diff] [blame] | 2188 | IWL_DEBUG_INFO(priv, "Bootstrap uCode is good in inst SRAM\n"); |
Emmanuel Grumbach | b0692f2 | 2008-04-24 11:55:18 -0700 | [diff] [blame] | 2189 | return 0; |
| 2190 | } |
| 2191 | |
| 2192 | /* Try initialize */ |
| 2193 | image = (__le32 *)priv->ucode_init.v_addr; |
| 2194 | len = priv->ucode_init.len; |
| 2195 | ret = iwlcore_verify_inst_sparse(priv, image, len); |
| 2196 | if (!ret) { |
Tomas Winkler | e162344 | 2009-01-27 14:27:56 -0800 | [diff] [blame] | 2197 | IWL_DEBUG_INFO(priv, "Initialize uCode is good in inst SRAM\n"); |
Emmanuel Grumbach | b0692f2 | 2008-04-24 11:55:18 -0700 | [diff] [blame] | 2198 | return 0; |
| 2199 | } |
| 2200 | |
| 2201 | /* Try runtime/protocol */ |
| 2202 | image = (__le32 *)priv->ucode_code.v_addr; |
| 2203 | len = priv->ucode_code.len; |
| 2204 | ret = iwlcore_verify_inst_sparse(priv, image, len); |
| 2205 | if (!ret) { |
Tomas Winkler | e162344 | 2009-01-27 14:27:56 -0800 | [diff] [blame] | 2206 | IWL_DEBUG_INFO(priv, "Runtime uCode is good in inst SRAM\n"); |
Emmanuel Grumbach | b0692f2 | 2008-04-24 11:55:18 -0700 | [diff] [blame] | 2207 | return 0; |
| 2208 | } |
| 2209 | |
Winkler, Tomas | 15b1687 | 2008-12-19 10:37:33 +0800 | [diff] [blame] | 2210 | IWL_ERR(priv, "NO VALID UCODE IMAGE IN INSTRUCTION SRAM!!\n"); |
Emmanuel Grumbach | b0692f2 | 2008-04-24 11:55:18 -0700 | [diff] [blame] | 2211 | |
| 2212 | /* Since nothing seems to match, show first several data entries in |
| 2213 | * instruction SRAM, so maybe visual inspection will give a clue. |
| 2214 | * Selection of bootstrap image (vs. other images) is arbitrary. */ |
| 2215 | image = (__le32 *)priv->ucode_boot.v_addr; |
| 2216 | len = priv->ucode_boot.len; |
| 2217 | ret = iwl_verify_inst_full(priv, image, len); |
| 2218 | |
| 2219 | return ret; |
| 2220 | } |
| 2221 | EXPORT_SYMBOL(iwl_verify_ucode); |
| 2222 | |
Jay Sternberg | 56e12615 | 2008-10-14 12:32:42 -0700 | [diff] [blame] | 2223 | |
Emmanuel Grumbach | 47f4a58 | 2008-06-12 09:47:13 +0800 | [diff] [blame] | 2224 | void iwl_rf_kill_ct_config(struct iwl_priv *priv) |
| 2225 | { |
| 2226 | struct iwl_ct_kill_config cmd; |
Wey-Yi Guy | 672639d | 2009-07-24 11:13:01 -0700 | [diff] [blame^] | 2227 | struct iwl_ct_kill_throttling_config adv_cmd; |
Emmanuel Grumbach | 47f4a58 | 2008-06-12 09:47:13 +0800 | [diff] [blame] | 2228 | unsigned long flags; |
| 2229 | int ret = 0; |
Ester Kummer | 189a2b5 | 2008-05-15 13:54:18 +0800 | [diff] [blame] | 2230 | |
Emmanuel Grumbach | 47f4a58 | 2008-06-12 09:47:13 +0800 | [diff] [blame] | 2231 | spin_lock_irqsave(&priv->lock, flags); |
| 2232 | iwl_write32(priv, CSR_UCODE_DRV_GP1_CLR, |
| 2233 | CSR_UCODE_DRV_GP1_REG_BIT_CT_KILL_EXIT); |
| 2234 | spin_unlock_irqrestore(&priv->lock, flags); |
| 2235 | |
Wey-Yi Guy | 672639d | 2009-07-24 11:13:01 -0700 | [diff] [blame^] | 2236 | switch (priv->hw_rev & CSR_HW_REV_TYPE_MSK) { |
| 2237 | case CSR_HW_REV_TYPE_1000: |
| 2238 | case CSR_HW_REV_TYPE_6x00: |
| 2239 | case CSR_HW_REV_TYPE_6x50: |
| 2240 | adv_cmd.critical_temperature_enter = |
| 2241 | cpu_to_le32(priv->hw_params.ct_kill_threshold); |
| 2242 | adv_cmd.critical_temperature_exit = |
| 2243 | cpu_to_le32(priv->hw_params.ct_kill_exit_threshold); |
Emmanuel Grumbach | 47f4a58 | 2008-06-12 09:47:13 +0800 | [diff] [blame] | 2244 | |
Wey-Yi Guy | 672639d | 2009-07-24 11:13:01 -0700 | [diff] [blame^] | 2245 | ret = iwl_send_cmd_pdu(priv, REPLY_CT_KILL_CONFIG_CMD, |
| 2246 | sizeof(adv_cmd), &adv_cmd); |
| 2247 | break; |
| 2248 | default: |
| 2249 | cmd.critical_temperature_R = |
| 2250 | cpu_to_le32(priv->hw_params.ct_kill_threshold); |
| 2251 | |
| 2252 | ret = iwl_send_cmd_pdu(priv, REPLY_CT_KILL_CONFIG_CMD, |
| 2253 | sizeof(cmd), &cmd); |
| 2254 | break; |
| 2255 | } |
Emmanuel Grumbach | 47f4a58 | 2008-06-12 09:47:13 +0800 | [diff] [blame] | 2256 | ret = iwl_send_cmd_pdu(priv, REPLY_CT_KILL_CONFIG_CMD, |
| 2257 | sizeof(cmd), &cmd); |
| 2258 | if (ret) |
Winkler, Tomas | 15b1687 | 2008-12-19 10:37:33 +0800 | [diff] [blame] | 2259 | IWL_ERR(priv, "REPLY_CT_KILL_CONFIG_CMD failed\n"); |
Emmanuel Grumbach | 47f4a58 | 2008-06-12 09:47:13 +0800 | [diff] [blame] | 2260 | else |
Tomas Winkler | e162344 | 2009-01-27 14:27:56 -0800 | [diff] [blame] | 2261 | IWL_DEBUG_INFO(priv, "REPLY_CT_KILL_CONFIG_CMD succeeded, " |
Emmanuel Grumbach | 47f4a58 | 2008-06-12 09:47:13 +0800 | [diff] [blame] | 2262 | "critical temperature is %d\n", |
| 2263 | cmd.critical_temperature_R); |
| 2264 | } |
| 2265 | EXPORT_SYMBOL(iwl_rf_kill_ct_config); |
Emmanuel Grumbach | 14a08a7 | 2008-06-13 15:44:55 +0800 | [diff] [blame] | 2266 | |
Winkler, Tomas | 0ad91a3 | 2008-12-02 12:14:00 -0800 | [diff] [blame] | 2267 | |
Emmanuel Grumbach | 14a08a7 | 2008-06-13 15:44:55 +0800 | [diff] [blame] | 2268 | /* |
| 2269 | * CARD_STATE_CMD |
| 2270 | * |
| 2271 | * Use: Sets the device's internal card state to enable, disable, or halt |
| 2272 | * |
| 2273 | * When in the 'enable' state the card operates as normal. |
| 2274 | * When in the 'disable' state, the card enters into a low power mode. |
| 2275 | * When in the 'halt' state, the card is shut down and must be fully |
| 2276 | * restarted to come back on. |
| 2277 | */ |
Samuel Ortiz | c496294 | 2008-12-22 11:31:18 +0800 | [diff] [blame] | 2278 | int iwl_send_card_state(struct iwl_priv *priv, u32 flags, u8 meta_flag) |
Emmanuel Grumbach | 14a08a7 | 2008-06-13 15:44:55 +0800 | [diff] [blame] | 2279 | { |
| 2280 | struct iwl_host_cmd cmd = { |
| 2281 | .id = REPLY_CARD_STATE_CMD, |
| 2282 | .len = sizeof(u32), |
| 2283 | .data = &flags, |
| 2284 | .meta.flags = meta_flag, |
| 2285 | }; |
| 2286 | |
| 2287 | return iwl_send_cmd(priv, &cmd); |
| 2288 | } |
Samuel Ortiz | c496294 | 2008-12-22 11:31:18 +0800 | [diff] [blame] | 2289 | EXPORT_SYMBOL(iwl_send_card_state); |
Emmanuel Grumbach | 14a08a7 | 2008-06-13 15:44:55 +0800 | [diff] [blame] | 2290 | |
Abhijeet Kolekar | 030f05e | 2009-02-18 15:54:28 -0800 | [diff] [blame] | 2291 | void iwl_rx_pm_sleep_notif(struct iwl_priv *priv, |
| 2292 | struct iwl_rx_mem_buffer *rxb) |
| 2293 | { |
| 2294 | #ifdef CONFIG_IWLWIFI_DEBUG |
| 2295 | struct iwl_rx_packet *pkt = (struct iwl_rx_packet *)rxb->skb->data; |
| 2296 | struct iwl_sleep_notification *sleep = &(pkt->u.sleep_notif); |
| 2297 | IWL_DEBUG_RX(priv, "sleep mode: %d, src: %d\n", |
| 2298 | sleep->pm_sleep_mode, sleep->pm_wakeup_src); |
| 2299 | #endif |
| 2300 | } |
| 2301 | EXPORT_SYMBOL(iwl_rx_pm_sleep_notif); |
| 2302 | |
| 2303 | void iwl_rx_pm_debug_statistics_notif(struct iwl_priv *priv, |
| 2304 | struct iwl_rx_mem_buffer *rxb) |
| 2305 | { |
| 2306 | struct iwl_rx_packet *pkt = (struct iwl_rx_packet *)rxb->skb->data; |
| 2307 | IWL_DEBUG_RADIO(priv, "Dumping %d bytes of unhandled " |
| 2308 | "notification for %s:\n", |
| 2309 | le32_to_cpu(pkt->len), get_cmd_string(pkt->hdr.cmd)); |
Reinette Chatre | a562a9d | 2009-07-17 09:30:24 -0700 | [diff] [blame] | 2310 | iwl_print_hex_dump(IWL_DL_RADIO, pkt->u.raw, le32_to_cpu(pkt->len)); |
Abhijeet Kolekar | 030f05e | 2009-02-18 15:54:28 -0800 | [diff] [blame] | 2311 | } |
| 2312 | EXPORT_SYMBOL(iwl_rx_pm_debug_statistics_notif); |
Abhijeet Kolekar | 261b9c3 | 2009-02-18 15:54:29 -0800 | [diff] [blame] | 2313 | |
| 2314 | void iwl_rx_reply_error(struct iwl_priv *priv, |
| 2315 | struct iwl_rx_mem_buffer *rxb) |
| 2316 | { |
| 2317 | struct iwl_rx_packet *pkt = (struct iwl_rx_packet *)rxb->skb->data; |
| 2318 | |
| 2319 | IWL_ERR(priv, "Error Reply type 0x%08X cmd %s (0x%02X) " |
| 2320 | "seq 0x%04X ser 0x%08X\n", |
| 2321 | le32_to_cpu(pkt->u.err_resp.error_type), |
| 2322 | get_cmd_string(pkt->u.err_resp.cmd_id), |
| 2323 | pkt->u.err_resp.cmd_id, |
| 2324 | le16_to_cpu(pkt->u.err_resp.bad_cmd_seq_num), |
| 2325 | le32_to_cpu(pkt->u.err_resp.error_info)); |
| 2326 | } |
| 2327 | EXPORT_SYMBOL(iwl_rx_reply_error); |
| 2328 | |
Wey-Yi Guy | a83b914 | 2009-04-08 11:39:32 -0700 | [diff] [blame] | 2329 | void iwl_clear_isr_stats(struct iwl_priv *priv) |
| 2330 | { |
| 2331 | memset(&priv->isr_stats, 0, sizeof(priv->isr_stats)); |
| 2332 | } |
| 2333 | EXPORT_SYMBOL(iwl_clear_isr_stats); |
| 2334 | |
Abhijeet Kolekar | 488829f | 2009-03-26 10:14:10 -0700 | [diff] [blame] | 2335 | int iwl_mac_conf_tx(struct ieee80211_hw *hw, u16 queue, |
| 2336 | const struct ieee80211_tx_queue_params *params) |
| 2337 | { |
| 2338 | struct iwl_priv *priv = hw->priv; |
| 2339 | unsigned long flags; |
| 2340 | int q; |
| 2341 | |
| 2342 | IWL_DEBUG_MAC80211(priv, "enter\n"); |
| 2343 | |
| 2344 | if (!iwl_is_ready_rf(priv)) { |
| 2345 | IWL_DEBUG_MAC80211(priv, "leave - RF not ready\n"); |
| 2346 | return -EIO; |
| 2347 | } |
| 2348 | |
| 2349 | if (queue >= AC_NUM) { |
| 2350 | IWL_DEBUG_MAC80211(priv, "leave - queue >= AC_NUM %d\n", queue); |
| 2351 | return 0; |
| 2352 | } |
| 2353 | |
| 2354 | q = AC_NUM - 1 - queue; |
| 2355 | |
| 2356 | spin_lock_irqsave(&priv->lock, flags); |
| 2357 | |
| 2358 | priv->qos_data.def_qos_parm.ac[q].cw_min = cpu_to_le16(params->cw_min); |
| 2359 | priv->qos_data.def_qos_parm.ac[q].cw_max = cpu_to_le16(params->cw_max); |
| 2360 | priv->qos_data.def_qos_parm.ac[q].aifsn = params->aifs; |
| 2361 | priv->qos_data.def_qos_parm.ac[q].edca_txop = |
| 2362 | cpu_to_le16((params->txop * 32)); |
| 2363 | |
| 2364 | priv->qos_data.def_qos_parm.ac[q].reserved1 = 0; |
| 2365 | priv->qos_data.qos_active = 1; |
| 2366 | |
| 2367 | if (priv->iw_mode == NL80211_IFTYPE_AP) |
| 2368 | iwl_activate_qos(priv, 1); |
| 2369 | else if (priv->assoc_id && iwl_is_associated(priv)) |
| 2370 | iwl_activate_qos(priv, 0); |
| 2371 | |
| 2372 | spin_unlock_irqrestore(&priv->lock, flags); |
| 2373 | |
| 2374 | IWL_DEBUG_MAC80211(priv, "leave\n"); |
| 2375 | return 0; |
| 2376 | } |
| 2377 | EXPORT_SYMBOL(iwl_mac_conf_tx); |
Abhijeet Kolekar | 5bbe233 | 2009-04-08 11:26:35 -0700 | [diff] [blame] | 2378 | |
| 2379 | static void iwl_ht_conf(struct iwl_priv *priv, |
| 2380 | struct ieee80211_bss_conf *bss_conf) |
| 2381 | { |
| 2382 | struct ieee80211_sta_ht_cap *ht_conf; |
| 2383 | struct iwl_ht_info *iwl_conf = &priv->current_ht_config; |
| 2384 | struct ieee80211_sta *sta; |
| 2385 | |
| 2386 | IWL_DEBUG_MAC80211(priv, "enter: \n"); |
| 2387 | |
| 2388 | if (!iwl_conf->is_ht) |
| 2389 | return; |
| 2390 | |
| 2391 | |
| 2392 | /* |
| 2393 | * It is totally wrong to base global information on something |
| 2394 | * that is valid only when associated, alas, this driver works |
| 2395 | * that way and I don't know how to fix it. |
| 2396 | */ |
| 2397 | |
| 2398 | rcu_read_lock(); |
| 2399 | sta = ieee80211_find_sta(priv->hw, priv->bssid); |
| 2400 | if (!sta) { |
| 2401 | rcu_read_unlock(); |
| 2402 | return; |
| 2403 | } |
| 2404 | ht_conf = &sta->ht_cap; |
| 2405 | |
| 2406 | if (ht_conf->cap & IEEE80211_HT_CAP_SGI_20) |
| 2407 | iwl_conf->sgf |= HT_SHORT_GI_20MHZ; |
| 2408 | if (ht_conf->cap & IEEE80211_HT_CAP_SGI_40) |
| 2409 | iwl_conf->sgf |= HT_SHORT_GI_40MHZ; |
| 2410 | |
| 2411 | iwl_conf->is_green_field = !!(ht_conf->cap & IEEE80211_HT_CAP_GRN_FLD); |
| 2412 | iwl_conf->max_amsdu_size = |
| 2413 | !!(ht_conf->cap & IEEE80211_HT_CAP_MAX_AMSDU); |
| 2414 | |
| 2415 | iwl_conf->supported_chan_width = |
| 2416 | !!(ht_conf->cap & IEEE80211_HT_CAP_SUP_WIDTH_20_40); |
| 2417 | |
| 2418 | /* |
| 2419 | * XXX: The HT configuration needs to be moved into iwl_mac_config() |
| 2420 | * to be done there correctly. |
| 2421 | */ |
| 2422 | |
| 2423 | iwl_conf->extension_chan_offset = IEEE80211_HT_PARAM_CHA_SEC_NONE; |
| 2424 | if (conf_is_ht40_minus(&priv->hw->conf)) |
| 2425 | iwl_conf->extension_chan_offset = IEEE80211_HT_PARAM_CHA_SEC_BELOW; |
| 2426 | else if (conf_is_ht40_plus(&priv->hw->conf)) |
| 2427 | iwl_conf->extension_chan_offset = IEEE80211_HT_PARAM_CHA_SEC_ABOVE; |
| 2428 | |
| 2429 | /* If no above or below channel supplied disable FAT channel */ |
| 2430 | if (iwl_conf->extension_chan_offset != IEEE80211_HT_PARAM_CHA_SEC_ABOVE && |
| 2431 | iwl_conf->extension_chan_offset != IEEE80211_HT_PARAM_CHA_SEC_BELOW) |
| 2432 | iwl_conf->supported_chan_width = 0; |
| 2433 | |
| 2434 | iwl_conf->sm_ps = (u8)((ht_conf->cap & IEEE80211_HT_CAP_SM_PS) >> 2); |
| 2435 | |
| 2436 | memcpy(&iwl_conf->mcs, &ht_conf->mcs, 16); |
| 2437 | |
| 2438 | iwl_conf->tx_chan_width = iwl_conf->supported_chan_width != 0; |
| 2439 | iwl_conf->ht_protection = |
Johannes Berg | 9ed6bcc | 2009-05-08 20:47:39 +0200 | [diff] [blame] | 2440 | bss_conf->ht_operation_mode & IEEE80211_HT_OP_MODE_PROTECTION; |
Abhijeet Kolekar | 5bbe233 | 2009-04-08 11:26:35 -0700 | [diff] [blame] | 2441 | iwl_conf->non_GF_STA_present = |
Johannes Berg | 9ed6bcc | 2009-05-08 20:47:39 +0200 | [diff] [blame] | 2442 | !!(bss_conf->ht_operation_mode & IEEE80211_HT_OP_MODE_NON_GF_STA_PRSNT); |
Abhijeet Kolekar | 5bbe233 | 2009-04-08 11:26:35 -0700 | [diff] [blame] | 2443 | |
| 2444 | rcu_read_unlock(); |
| 2445 | |
| 2446 | IWL_DEBUG_MAC80211(priv, "leave\n"); |
| 2447 | } |
| 2448 | |
| 2449 | #define IWL_DELAY_NEXT_SCAN_AFTER_ASSOC (HZ*6) |
| 2450 | void iwl_bss_info_changed(struct ieee80211_hw *hw, |
Johannes Berg | 2d0ddec | 2009-04-23 16:13:26 +0200 | [diff] [blame] | 2451 | struct ieee80211_vif *vif, |
| 2452 | struct ieee80211_bss_conf *bss_conf, |
| 2453 | u32 changes) |
Abhijeet Kolekar | 5bbe233 | 2009-04-08 11:26:35 -0700 | [diff] [blame] | 2454 | { |
| 2455 | struct iwl_priv *priv = hw->priv; |
Mohamed Abbas | 3a65029 | 2009-04-08 11:39:29 -0700 | [diff] [blame] | 2456 | int ret; |
Abhijeet Kolekar | 5bbe233 | 2009-04-08 11:26:35 -0700 | [diff] [blame] | 2457 | |
| 2458 | IWL_DEBUG_MAC80211(priv, "changes = 0x%X\n", changes); |
| 2459 | |
Johannes Berg | 2d0ddec | 2009-04-23 16:13:26 +0200 | [diff] [blame] | 2460 | if (!iwl_is_alive(priv)) |
| 2461 | return; |
| 2462 | |
| 2463 | mutex_lock(&priv->mutex); |
| 2464 | |
| 2465 | if (changes & BSS_CHANGED_BEACON && |
| 2466 | priv->iw_mode == NL80211_IFTYPE_AP) { |
| 2467 | dev_kfree_skb(priv->ibss_beacon); |
| 2468 | priv->ibss_beacon = ieee80211_beacon_get(hw, vif); |
| 2469 | } |
| 2470 | |
Johannes Berg | d7129e1 | 2009-06-12 13:22:48 -0700 | [diff] [blame] | 2471 | if (changes & BSS_CHANGED_BEACON_INT) { |
| 2472 | priv->beacon_int = bss_conf->beacon_int; |
| 2473 | /* TODO: in AP mode, do something to make this take effect */ |
| 2474 | } |
| 2475 | |
| 2476 | if (changes & BSS_CHANGED_BSSID) { |
| 2477 | IWL_DEBUG_MAC80211(priv, "BSSID %pM\n", bss_conf->bssid); |
| 2478 | |
| 2479 | /* |
| 2480 | * If there is currently a HW scan going on in the |
| 2481 | * background then we need to cancel it else the RXON |
| 2482 | * below/in post_associate will fail. |
| 2483 | */ |
Johannes Berg | 2d0ddec | 2009-04-23 16:13:26 +0200 | [diff] [blame] | 2484 | if (iwl_scan_cancel_timeout(priv, 100)) { |
Johannes Berg | d7129e1 | 2009-06-12 13:22:48 -0700 | [diff] [blame] | 2485 | IWL_WARN(priv, "Aborted scan still in progress after 100ms\n"); |
Johannes Berg | 2d0ddec | 2009-04-23 16:13:26 +0200 | [diff] [blame] | 2486 | IWL_DEBUG_MAC80211(priv, "leaving - scan abort failed.\n"); |
| 2487 | mutex_unlock(&priv->mutex); |
| 2488 | return; |
| 2489 | } |
Johannes Berg | 2d0ddec | 2009-04-23 16:13:26 +0200 | [diff] [blame] | 2490 | |
Johannes Berg | d7129e1 | 2009-06-12 13:22:48 -0700 | [diff] [blame] | 2491 | /* mac80211 only sets assoc when in STATION mode */ |
| 2492 | if (priv->iw_mode == NL80211_IFTYPE_ADHOC || |
| 2493 | bss_conf->assoc) { |
| 2494 | memcpy(priv->staging_rxon.bssid_addr, |
| 2495 | bss_conf->bssid, ETH_ALEN); |
Johannes Berg | 2d0ddec | 2009-04-23 16:13:26 +0200 | [diff] [blame] | 2496 | |
Johannes Berg | d7129e1 | 2009-06-12 13:22:48 -0700 | [diff] [blame] | 2497 | /* currently needed in a few places */ |
| 2498 | memcpy(priv->bssid, bss_conf->bssid, ETH_ALEN); |
| 2499 | } else { |
| 2500 | priv->staging_rxon.filter_flags &= |
| 2501 | ~RXON_FILTER_ASSOC_MSK; |
Johannes Berg | 2d0ddec | 2009-04-23 16:13:26 +0200 | [diff] [blame] | 2502 | } |
Johannes Berg | d7129e1 | 2009-06-12 13:22:48 -0700 | [diff] [blame] | 2503 | |
Johannes Berg | 2d0ddec | 2009-04-23 16:13:26 +0200 | [diff] [blame] | 2504 | } |
| 2505 | |
Johannes Berg | d7129e1 | 2009-06-12 13:22:48 -0700 | [diff] [blame] | 2506 | /* |
| 2507 | * This needs to be after setting the BSSID in case |
| 2508 | * mac80211 decides to do both changes at once because |
| 2509 | * it will invoke post_associate. |
| 2510 | */ |
Johannes Berg | 2d0ddec | 2009-04-23 16:13:26 +0200 | [diff] [blame] | 2511 | if (priv->iw_mode == NL80211_IFTYPE_ADHOC && |
| 2512 | changes & BSS_CHANGED_BEACON) { |
| 2513 | struct sk_buff *beacon = ieee80211_beacon_get(hw, vif); |
| 2514 | |
| 2515 | if (beacon) |
| 2516 | iwl_mac_beacon_update(hw, beacon); |
| 2517 | } |
| 2518 | |
Abhijeet Kolekar | 5bbe233 | 2009-04-08 11:26:35 -0700 | [diff] [blame] | 2519 | if (changes & BSS_CHANGED_ERP_PREAMBLE) { |
| 2520 | IWL_DEBUG_MAC80211(priv, "ERP_PREAMBLE %d\n", |
| 2521 | bss_conf->use_short_preamble); |
| 2522 | if (bss_conf->use_short_preamble) |
| 2523 | priv->staging_rxon.flags |= RXON_FLG_SHORT_PREAMBLE_MSK; |
| 2524 | else |
| 2525 | priv->staging_rxon.flags &= ~RXON_FLG_SHORT_PREAMBLE_MSK; |
| 2526 | } |
| 2527 | |
| 2528 | if (changes & BSS_CHANGED_ERP_CTS_PROT) { |
| 2529 | IWL_DEBUG_MAC80211(priv, "ERP_CTS %d\n", bss_conf->use_cts_prot); |
| 2530 | if (bss_conf->use_cts_prot && (priv->band != IEEE80211_BAND_5GHZ)) |
| 2531 | priv->staging_rxon.flags |= RXON_FLG_TGG_PROTECT_MSK; |
| 2532 | else |
| 2533 | priv->staging_rxon.flags &= ~RXON_FLG_TGG_PROTECT_MSK; |
| 2534 | } |
| 2535 | |
Johannes Berg | d7129e1 | 2009-06-12 13:22:48 -0700 | [diff] [blame] | 2536 | if (changes & BSS_CHANGED_BASIC_RATES) { |
| 2537 | /* XXX use this information |
| 2538 | * |
| 2539 | * To do that, remove code from iwl_set_rate() and put something |
| 2540 | * like this here: |
| 2541 | * |
| 2542 | if (A-band) |
| 2543 | priv->staging_rxon.ofdm_basic_rates = |
| 2544 | bss_conf->basic_rates; |
| 2545 | else |
| 2546 | priv->staging_rxon.ofdm_basic_rates = |
| 2547 | bss_conf->basic_rates >> 4; |
| 2548 | priv->staging_rxon.cck_basic_rates = |
| 2549 | bss_conf->basic_rates & 0xF; |
| 2550 | */ |
| 2551 | } |
| 2552 | |
Abhijeet Kolekar | 5bbe233 | 2009-04-08 11:26:35 -0700 | [diff] [blame] | 2553 | if (changes & BSS_CHANGED_HT) { |
| 2554 | iwl_ht_conf(priv, bss_conf); |
Abhijeet Kolekar | 4582353 | 2009-04-08 11:26:44 -0700 | [diff] [blame] | 2555 | |
| 2556 | if (priv->cfg->ops->hcmd->set_rxon_chain) |
| 2557 | priv->cfg->ops->hcmd->set_rxon_chain(priv); |
Abhijeet Kolekar | 5bbe233 | 2009-04-08 11:26:35 -0700 | [diff] [blame] | 2558 | } |
| 2559 | |
| 2560 | if (changes & BSS_CHANGED_ASSOC) { |
| 2561 | IWL_DEBUG_MAC80211(priv, "ASSOC %d\n", bss_conf->assoc); |
Abhijeet Kolekar | 5bbe233 | 2009-04-08 11:26:35 -0700 | [diff] [blame] | 2562 | if (bss_conf->assoc) { |
| 2563 | priv->assoc_id = bss_conf->aid; |
| 2564 | priv->beacon_int = bss_conf->beacon_int; |
| 2565 | priv->power_data.dtim_period = bss_conf->dtim_period; |
| 2566 | priv->timestamp = bss_conf->timestamp; |
| 2567 | priv->assoc_capability = bss_conf->assoc_capability; |
| 2568 | |
Johannes Berg | d7129e1 | 2009-06-12 13:22:48 -0700 | [diff] [blame] | 2569 | /* |
| 2570 | * We have just associated, don't start scan too early |
| 2571 | * leave time for EAPOL exchange to complete. |
| 2572 | * |
| 2573 | * XXX: do this in mac80211 |
Abhijeet Kolekar | 5bbe233 | 2009-04-08 11:26:35 -0700 | [diff] [blame] | 2574 | */ |
| 2575 | priv->next_scan_jiffies = jiffies + |
| 2576 | IWL_DELAY_NEXT_SCAN_AFTER_ASSOC; |
Johannes Berg | d7129e1 | 2009-06-12 13:22:48 -0700 | [diff] [blame] | 2577 | if (!iwl_is_rfkill(priv)) |
| 2578 | priv->cfg->ops->lib->post_associate(priv); |
| 2579 | } else |
Abhijeet Kolekar | 5bbe233 | 2009-04-08 11:26:35 -0700 | [diff] [blame] | 2580 | priv->assoc_id = 0; |
Johannes Berg | d7129e1 | 2009-06-12 13:22:48 -0700 | [diff] [blame] | 2581 | |
Abhijeet Kolekar | 5bbe233 | 2009-04-08 11:26:35 -0700 | [diff] [blame] | 2582 | } |
Johannes Berg | d7129e1 | 2009-06-12 13:22:48 -0700 | [diff] [blame] | 2583 | |
| 2584 | if (changes && iwl_is_associated(priv) && priv->assoc_id) { |
| 2585 | IWL_DEBUG_MAC80211(priv, "Changes (%#x) while associated\n", |
| 2586 | changes); |
| 2587 | ret = iwl_send_rxon_assoc(priv); |
| 2588 | if (!ret) { |
| 2589 | /* Sync active_rxon with latest change. */ |
| 2590 | memcpy((void *)&priv->active_rxon, |
| 2591 | &priv->staging_rxon, |
| 2592 | sizeof(struct iwl_rxon_cmd)); |
| 2593 | } |
| 2594 | } |
| 2595 | |
| 2596 | mutex_unlock(&priv->mutex); |
| 2597 | |
Johannes Berg | 2d0ddec | 2009-04-23 16:13:26 +0200 | [diff] [blame] | 2598 | IWL_DEBUG_MAC80211(priv, "leave\n"); |
Abhijeet Kolekar | 5bbe233 | 2009-04-08 11:26:35 -0700 | [diff] [blame] | 2599 | } |
| 2600 | EXPORT_SYMBOL(iwl_bss_info_changed); |
| 2601 | |
Abhijeet Kolekar | 9944b93 | 2009-04-08 11:26:36 -0700 | [diff] [blame] | 2602 | int iwl_mac_beacon_update(struct ieee80211_hw *hw, struct sk_buff *skb) |
| 2603 | { |
| 2604 | struct iwl_priv *priv = hw->priv; |
| 2605 | unsigned long flags; |
| 2606 | __le64 timestamp; |
| 2607 | |
| 2608 | IWL_DEBUG_MAC80211(priv, "enter\n"); |
| 2609 | |
| 2610 | if (!iwl_is_ready_rf(priv)) { |
| 2611 | IWL_DEBUG_MAC80211(priv, "leave - RF not ready\n"); |
| 2612 | return -EIO; |
| 2613 | } |
| 2614 | |
| 2615 | if (priv->iw_mode != NL80211_IFTYPE_ADHOC) { |
| 2616 | IWL_DEBUG_MAC80211(priv, "leave - not IBSS\n"); |
| 2617 | return -EIO; |
| 2618 | } |
| 2619 | |
| 2620 | spin_lock_irqsave(&priv->lock, flags); |
| 2621 | |
| 2622 | if (priv->ibss_beacon) |
| 2623 | dev_kfree_skb(priv->ibss_beacon); |
| 2624 | |
| 2625 | priv->ibss_beacon = skb; |
| 2626 | |
| 2627 | priv->assoc_id = 0; |
| 2628 | timestamp = ((struct ieee80211_mgmt *)skb->data)->u.beacon.timestamp; |
| 2629 | priv->timestamp = le64_to_cpu(timestamp); |
| 2630 | |
| 2631 | IWL_DEBUG_MAC80211(priv, "leave\n"); |
| 2632 | spin_unlock_irqrestore(&priv->lock, flags); |
| 2633 | |
| 2634 | iwl_reset_qos(priv); |
| 2635 | |
| 2636 | priv->cfg->ops->lib->post_associate(priv); |
| 2637 | |
| 2638 | |
| 2639 | return 0; |
| 2640 | } |
| 2641 | EXPORT_SYMBOL(iwl_mac_beacon_update); |
| 2642 | |
Abhijeet Kolekar | 727882d | 2009-04-08 11:26:45 -0700 | [diff] [blame] | 2643 | int iwl_set_mode(struct iwl_priv *priv, int mode) |
| 2644 | { |
| 2645 | if (mode == NL80211_IFTYPE_ADHOC) { |
| 2646 | const struct iwl_channel_info *ch_info; |
| 2647 | |
| 2648 | ch_info = iwl_get_channel_info(priv, |
| 2649 | priv->band, |
| 2650 | le16_to_cpu(priv->staging_rxon.channel)); |
| 2651 | |
| 2652 | if (!ch_info || !is_channel_ibss(ch_info)) { |
| 2653 | IWL_ERR(priv, "channel %d not IBSS channel\n", |
| 2654 | le16_to_cpu(priv->staging_rxon.channel)); |
| 2655 | return -EINVAL; |
| 2656 | } |
| 2657 | } |
| 2658 | |
| 2659 | iwl_connection_init_rx_config(priv, mode); |
| 2660 | |
| 2661 | if (priv->cfg->ops->hcmd->set_rxon_chain) |
| 2662 | priv->cfg->ops->hcmd->set_rxon_chain(priv); |
| 2663 | |
| 2664 | memcpy(priv->staging_rxon.node_addr, priv->mac_addr, ETH_ALEN); |
| 2665 | |
Tomas Winkler | c587de0 | 2009-06-03 11:44:07 -0700 | [diff] [blame] | 2666 | iwl_clear_stations_table(priv); |
Abhijeet Kolekar | 727882d | 2009-04-08 11:26:45 -0700 | [diff] [blame] | 2667 | |
| 2668 | /* dont commit rxon if rf-kill is on*/ |
| 2669 | if (!iwl_is_ready_rf(priv)) |
| 2670 | return -EAGAIN; |
| 2671 | |
Abhijeet Kolekar | 727882d | 2009-04-08 11:26:45 -0700 | [diff] [blame] | 2672 | iwlcore_commit_rxon(priv); |
| 2673 | |
| 2674 | return 0; |
| 2675 | } |
| 2676 | EXPORT_SYMBOL(iwl_set_mode); |
| 2677 | |
Abhijeet Kolekar | cbb6ab9 | 2009-04-08 11:26:46 -0700 | [diff] [blame] | 2678 | int iwl_mac_add_interface(struct ieee80211_hw *hw, |
| 2679 | struct ieee80211_if_init_conf *conf) |
| 2680 | { |
| 2681 | struct iwl_priv *priv = hw->priv; |
| 2682 | unsigned long flags; |
| 2683 | |
| 2684 | IWL_DEBUG_MAC80211(priv, "enter: type %d\n", conf->type); |
| 2685 | |
| 2686 | if (priv->vif) { |
| 2687 | IWL_DEBUG_MAC80211(priv, "leave - vif != NULL\n"); |
| 2688 | return -EOPNOTSUPP; |
| 2689 | } |
| 2690 | |
| 2691 | spin_lock_irqsave(&priv->lock, flags); |
| 2692 | priv->vif = conf->vif; |
| 2693 | priv->iw_mode = conf->type; |
| 2694 | |
| 2695 | spin_unlock_irqrestore(&priv->lock, flags); |
| 2696 | |
| 2697 | mutex_lock(&priv->mutex); |
| 2698 | |
| 2699 | if (conf->mac_addr) { |
| 2700 | IWL_DEBUG_MAC80211(priv, "Set %pM\n", conf->mac_addr); |
| 2701 | memcpy(priv->mac_addr, conf->mac_addr, ETH_ALEN); |
| 2702 | } |
| 2703 | |
| 2704 | if (iwl_set_mode(priv, conf->type) == -EAGAIN) |
| 2705 | /* we are not ready, will run again when ready */ |
| 2706 | set_bit(STATUS_MODE_PENDING, &priv->status); |
| 2707 | |
| 2708 | mutex_unlock(&priv->mutex); |
| 2709 | |
| 2710 | IWL_DEBUG_MAC80211(priv, "leave\n"); |
| 2711 | return 0; |
| 2712 | } |
| 2713 | EXPORT_SYMBOL(iwl_mac_add_interface); |
| 2714 | |
Abhijeet Kolekar | d805231 | 2009-04-08 11:26:47 -0700 | [diff] [blame] | 2715 | void iwl_mac_remove_interface(struct ieee80211_hw *hw, |
| 2716 | struct ieee80211_if_init_conf *conf) |
| 2717 | { |
| 2718 | struct iwl_priv *priv = hw->priv; |
| 2719 | |
| 2720 | IWL_DEBUG_MAC80211(priv, "enter\n"); |
| 2721 | |
| 2722 | mutex_lock(&priv->mutex); |
| 2723 | |
| 2724 | if (iwl_is_ready_rf(priv)) { |
| 2725 | iwl_scan_cancel_timeout(priv, 100); |
| 2726 | priv->staging_rxon.filter_flags &= ~RXON_FILTER_ASSOC_MSK; |
| 2727 | iwlcore_commit_rxon(priv); |
| 2728 | } |
| 2729 | if (priv->vif == conf->vif) { |
| 2730 | priv->vif = NULL; |
| 2731 | memset(priv->bssid, 0, ETH_ALEN); |
| 2732 | } |
| 2733 | mutex_unlock(&priv->mutex); |
| 2734 | |
| 2735 | IWL_DEBUG_MAC80211(priv, "leave\n"); |
| 2736 | |
| 2737 | } |
| 2738 | EXPORT_SYMBOL(iwl_mac_remove_interface); |
| 2739 | |
Abhijeet Kolekar | 4808368 | 2009-04-08 11:26:48 -0700 | [diff] [blame] | 2740 | /** |
| 2741 | * iwl_mac_config - mac80211 config callback |
| 2742 | * |
| 2743 | * We ignore conf->flags & IEEE80211_CONF_SHORT_SLOT_TIME since it seems to |
| 2744 | * be set inappropriately and the driver currently sets the hardware up to |
| 2745 | * use it whenever needed. |
| 2746 | */ |
| 2747 | int iwl_mac_config(struct ieee80211_hw *hw, u32 changed) |
| 2748 | { |
| 2749 | struct iwl_priv *priv = hw->priv; |
| 2750 | const struct iwl_channel_info *ch_info; |
| 2751 | struct ieee80211_conf *conf = &hw->conf; |
| 2752 | unsigned long flags = 0; |
| 2753 | int ret = 0; |
| 2754 | u16 ch; |
| 2755 | int scan_active = 0; |
| 2756 | |
| 2757 | mutex_lock(&priv->mutex); |
| 2758 | |
Abhijeet Kolekar | 4808368 | 2009-04-08 11:26:48 -0700 | [diff] [blame] | 2759 | IWL_DEBUG_MAC80211(priv, "enter to channel %d changed 0x%X\n", |
| 2760 | conf->channel->hw_value, changed); |
| 2761 | |
| 2762 | if (unlikely(!priv->cfg->mod_params->disable_hw_scan && |
| 2763 | test_bit(STATUS_SCANNING, &priv->status))) { |
| 2764 | scan_active = 1; |
| 2765 | IWL_DEBUG_MAC80211(priv, "leave - scanning\n"); |
| 2766 | } |
| 2767 | |
| 2768 | |
| 2769 | /* during scanning mac80211 will delay channel setting until |
| 2770 | * scan finish with changed = 0 |
| 2771 | */ |
| 2772 | if (!changed || (changed & IEEE80211_CONF_CHANGE_CHANNEL)) { |
| 2773 | if (scan_active) |
| 2774 | goto set_ch_out; |
| 2775 | |
| 2776 | ch = ieee80211_frequency_to_channel(conf->channel->center_freq); |
| 2777 | ch_info = iwl_get_channel_info(priv, conf->channel->band, ch); |
| 2778 | if (!is_channel_valid(ch_info)) { |
| 2779 | IWL_DEBUG_MAC80211(priv, "leave - invalid channel\n"); |
| 2780 | ret = -EINVAL; |
| 2781 | goto set_ch_out; |
| 2782 | } |
| 2783 | |
| 2784 | if (priv->iw_mode == NL80211_IFTYPE_ADHOC && |
| 2785 | !is_channel_ibss(ch_info)) { |
| 2786 | IWL_ERR(priv, "channel %d in band %d not " |
| 2787 | "IBSS channel\n", |
| 2788 | conf->channel->hw_value, conf->channel->band); |
| 2789 | ret = -EINVAL; |
| 2790 | goto set_ch_out; |
| 2791 | } |
| 2792 | |
| 2793 | priv->current_ht_config.is_ht = conf_is_ht(conf); |
| 2794 | |
| 2795 | spin_lock_irqsave(&priv->lock, flags); |
| 2796 | |
| 2797 | |
| 2798 | /* if we are switching from ht to 2.4 clear flags |
| 2799 | * from any ht related info since 2.4 does not |
| 2800 | * support ht */ |
| 2801 | if ((le16_to_cpu(priv->staging_rxon.channel) != ch)) |
| 2802 | priv->staging_rxon.flags = 0; |
| 2803 | |
| 2804 | iwl_set_rxon_channel(priv, conf->channel); |
| 2805 | |
| 2806 | iwl_set_flags_for_band(priv, conf->channel->band); |
| 2807 | spin_unlock_irqrestore(&priv->lock, flags); |
| 2808 | set_ch_out: |
| 2809 | /* The list of supported rates and rate mask can be different |
| 2810 | * for each band; since the band may have changed, reset |
| 2811 | * the rate mask to what mac80211 lists */ |
| 2812 | iwl_set_rate(priv); |
| 2813 | } |
| 2814 | |
Johannes Berg | 7af2c46 | 2009-05-08 13:44:38 -0700 | [diff] [blame] | 2815 | if (changed & IEEE80211_CONF_CHANGE_PS && |
| 2816 | priv->iw_mode == NL80211_IFTYPE_STATION) { |
| 2817 | priv->power_data.power_disabled = |
| 2818 | !(conf->flags & IEEE80211_CONF_PS); |
| 2819 | ret = iwl_power_update_mode(priv, 0); |
Abhijeet Kolekar | 4808368 | 2009-04-08 11:26:48 -0700 | [diff] [blame] | 2820 | if (ret) |
| 2821 | IWL_DEBUG_MAC80211(priv, "Error setting power level\n"); |
Abhijeet Kolekar | 4808368 | 2009-04-08 11:26:48 -0700 | [diff] [blame] | 2822 | } |
| 2823 | |
| 2824 | if (changed & IEEE80211_CONF_CHANGE_POWER) { |
| 2825 | IWL_DEBUG_MAC80211(priv, "TX Power old=%d new=%d\n", |
| 2826 | priv->tx_power_user_lmt, conf->power_level); |
| 2827 | |
| 2828 | iwl_set_tx_power(priv, conf->power_level, false); |
| 2829 | } |
| 2830 | |
| 2831 | /* call to ensure that 4965 rx_chain is set properly in monitor mode */ |
| 2832 | if (priv->cfg->ops->hcmd->set_rxon_chain) |
| 2833 | priv->cfg->ops->hcmd->set_rxon_chain(priv); |
| 2834 | |
Mohamed Abbas | 0cf4c01 | 2009-04-20 14:37:04 -0700 | [diff] [blame] | 2835 | if (!iwl_is_ready(priv)) { |
| 2836 | IWL_DEBUG_MAC80211(priv, "leave - not ready\n"); |
| 2837 | goto out; |
| 2838 | } |
| 2839 | |
Abhijeet Kolekar | 4808368 | 2009-04-08 11:26:48 -0700 | [diff] [blame] | 2840 | if (scan_active) |
| 2841 | goto out; |
| 2842 | |
| 2843 | if (memcmp(&priv->active_rxon, |
| 2844 | &priv->staging_rxon, sizeof(priv->staging_rxon))) |
| 2845 | iwlcore_commit_rxon(priv); |
| 2846 | else |
| 2847 | IWL_DEBUG_INFO(priv, "Not re-sending same RXON configuration.\n"); |
| 2848 | |
| 2849 | |
| 2850 | out: |
| 2851 | IWL_DEBUG_MAC80211(priv, "leave\n"); |
| 2852 | mutex_unlock(&priv->mutex); |
| 2853 | return ret; |
| 2854 | } |
| 2855 | EXPORT_SYMBOL(iwl_mac_config); |
| 2856 | |
Abhijeet Kolekar | aa89f31 | 2009-04-08 11:26:51 -0700 | [diff] [blame] | 2857 | int iwl_mac_get_tx_stats(struct ieee80211_hw *hw, |
| 2858 | struct ieee80211_tx_queue_stats *stats) |
| 2859 | { |
| 2860 | struct iwl_priv *priv = hw->priv; |
| 2861 | int i, avail; |
| 2862 | struct iwl_tx_queue *txq; |
| 2863 | struct iwl_queue *q; |
| 2864 | unsigned long flags; |
| 2865 | |
| 2866 | IWL_DEBUG_MAC80211(priv, "enter\n"); |
| 2867 | |
| 2868 | if (!iwl_is_ready_rf(priv)) { |
| 2869 | IWL_DEBUG_MAC80211(priv, "leave - RF not ready\n"); |
| 2870 | return -EIO; |
| 2871 | } |
| 2872 | |
| 2873 | spin_lock_irqsave(&priv->lock, flags); |
| 2874 | |
| 2875 | for (i = 0; i < AC_NUM; i++) { |
| 2876 | txq = &priv->txq[i]; |
| 2877 | q = &txq->q; |
| 2878 | avail = iwl_queue_space(q); |
| 2879 | |
| 2880 | stats[i].len = q->n_window - avail; |
| 2881 | stats[i].limit = q->n_window - q->high_mark; |
| 2882 | stats[i].count = q->n_window; |
| 2883 | |
| 2884 | } |
| 2885 | spin_unlock_irqrestore(&priv->lock, flags); |
| 2886 | |
| 2887 | IWL_DEBUG_MAC80211(priv, "leave\n"); |
| 2888 | |
| 2889 | return 0; |
| 2890 | } |
| 2891 | EXPORT_SYMBOL(iwl_mac_get_tx_stats); |
| 2892 | |
Abhijeet Kolekar | bd56426 | 2009-04-08 11:26:52 -0700 | [diff] [blame] | 2893 | void iwl_mac_reset_tsf(struct ieee80211_hw *hw) |
| 2894 | { |
| 2895 | struct iwl_priv *priv = hw->priv; |
| 2896 | unsigned long flags; |
| 2897 | |
| 2898 | mutex_lock(&priv->mutex); |
| 2899 | IWL_DEBUG_MAC80211(priv, "enter\n"); |
| 2900 | |
| 2901 | spin_lock_irqsave(&priv->lock, flags); |
| 2902 | memset(&priv->current_ht_config, 0, sizeof(struct iwl_ht_info)); |
| 2903 | spin_unlock_irqrestore(&priv->lock, flags); |
| 2904 | |
| 2905 | iwl_reset_qos(priv); |
| 2906 | |
| 2907 | spin_lock_irqsave(&priv->lock, flags); |
| 2908 | priv->assoc_id = 0; |
| 2909 | priv->assoc_capability = 0; |
| 2910 | priv->assoc_station_added = 0; |
| 2911 | |
| 2912 | /* new association get rid of ibss beacon skb */ |
| 2913 | if (priv->ibss_beacon) |
| 2914 | dev_kfree_skb(priv->ibss_beacon); |
| 2915 | |
| 2916 | priv->ibss_beacon = NULL; |
| 2917 | |
Johannes Berg | 57c4d7b | 2009-04-23 16:10:04 +0200 | [diff] [blame] | 2918 | priv->beacon_int = priv->vif->bss_conf.beacon_int; |
Abhijeet Kolekar | bd56426 | 2009-04-08 11:26:52 -0700 | [diff] [blame] | 2919 | priv->timestamp = 0; |
| 2920 | if ((priv->iw_mode == NL80211_IFTYPE_STATION)) |
| 2921 | priv->beacon_int = 0; |
| 2922 | |
| 2923 | spin_unlock_irqrestore(&priv->lock, flags); |
| 2924 | |
| 2925 | if (!iwl_is_ready_rf(priv)) { |
| 2926 | IWL_DEBUG_MAC80211(priv, "leave - not ready\n"); |
| 2927 | mutex_unlock(&priv->mutex); |
| 2928 | return; |
| 2929 | } |
| 2930 | |
| 2931 | /* we are restarting association process |
| 2932 | * clear RXON_FILTER_ASSOC_MSK bit |
| 2933 | */ |
| 2934 | if (priv->iw_mode != NL80211_IFTYPE_AP) { |
| 2935 | iwl_scan_cancel_timeout(priv, 100); |
| 2936 | priv->staging_rxon.filter_flags &= ~RXON_FILTER_ASSOC_MSK; |
| 2937 | iwlcore_commit_rxon(priv); |
| 2938 | } |
| 2939 | |
Abhijeet Kolekar | bd56426 | 2009-04-08 11:26:52 -0700 | [diff] [blame] | 2940 | if (priv->iw_mode != NL80211_IFTYPE_ADHOC) { |
Abhijeet Kolekar | bd56426 | 2009-04-08 11:26:52 -0700 | [diff] [blame] | 2941 | IWL_DEBUG_MAC80211(priv, "leave - not in IBSS\n"); |
| 2942 | mutex_unlock(&priv->mutex); |
| 2943 | return; |
| 2944 | } |
| 2945 | |
| 2946 | iwl_set_rate(priv); |
| 2947 | |
| 2948 | mutex_unlock(&priv->mutex); |
| 2949 | |
| 2950 | IWL_DEBUG_MAC80211(priv, "leave\n"); |
| 2951 | } |
| 2952 | EXPORT_SYMBOL(iwl_mac_reset_tsf); |
| 2953 | |
Wey-Yi Guy | 6da3a13 | 2009-03-26 10:14:08 -0700 | [diff] [blame] | 2954 | #ifdef CONFIG_PM |
| 2955 | |
| 2956 | int iwl_pci_suspend(struct pci_dev *pdev, pm_message_t state) |
| 2957 | { |
| 2958 | struct iwl_priv *priv = pci_get_drvdata(pdev); |
| 2959 | |
| 2960 | /* |
| 2961 | * This function is called when system goes into suspend state |
| 2962 | * mac80211 will call iwl_mac_stop() from the mac80211 suspend function |
| 2963 | * first but since iwl_mac_stop() has no knowledge of who the caller is, |
| 2964 | * it will not call apm_ops.stop() to stop the DMA operation. |
| 2965 | * Calling apm_ops.stop here to make sure we stop the DMA. |
| 2966 | */ |
| 2967 | priv->cfg->ops->lib->apm_ops.stop(priv); |
| 2968 | |
| 2969 | pci_save_state(pdev); |
| 2970 | pci_disable_device(pdev); |
| 2971 | pci_set_power_state(pdev, PCI_D3hot); |
| 2972 | |
| 2973 | return 0; |
| 2974 | } |
| 2975 | EXPORT_SYMBOL(iwl_pci_suspend); |
| 2976 | |
| 2977 | int iwl_pci_resume(struct pci_dev *pdev) |
| 2978 | { |
| 2979 | struct iwl_priv *priv = pci_get_drvdata(pdev); |
| 2980 | int ret; |
| 2981 | |
| 2982 | pci_set_power_state(pdev, PCI_D0); |
| 2983 | ret = pci_enable_device(pdev); |
| 2984 | if (ret) |
| 2985 | return ret; |
| 2986 | pci_restore_state(pdev); |
| 2987 | iwl_enable_interrupts(priv); |
| 2988 | |
| 2989 | return 0; |
| 2990 | } |
| 2991 | EXPORT_SYMBOL(iwl_pci_resume); |
| 2992 | |
| 2993 | #endif /* CONFIG_PM */ |