Luis R. Rodriguez | f078f20 | 2008-08-04 00:16:41 -0700 | [diff] [blame] | 1 | /* |
Sujith | cee075a | 2009-03-13 09:07:23 +0530 | [diff] [blame] | 2 | * Copyright (c) 2008-2009 Atheros Communications Inc. |
Luis R. Rodriguez | f078f20 | 2008-08-04 00:16:41 -0700 | [diff] [blame] | 3 | * |
| 4 | * Permission to use, copy, modify, and/or distribute this software for any |
| 5 | * purpose with or without fee is hereby granted, provided that the above |
| 6 | * copyright notice and this permission notice appear in all copies. |
| 7 | * |
| 8 | * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES |
| 9 | * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF |
| 10 | * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR |
| 11 | * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES |
| 12 | * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN |
| 13 | * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF |
| 14 | * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. |
| 15 | */ |
| 16 | |
Luis R. Rodriguez | f078f20 | 2008-08-04 00:16:41 -0700 | [diff] [blame] | 17 | #include <linux/nl80211.h> |
Sujith | 394cf0a | 2009-02-09 13:26:54 +0530 | [diff] [blame] | 18 | #include "ath9k.h" |
Luis R. Rodriguez | af03abe | 2009-09-09 02:33:11 -0700 | [diff] [blame] | 19 | #include "btcoex.h" |
Luis R. Rodriguez | f078f20 | 2008-08-04 00:16:41 -0700 | [diff] [blame] | 20 | |
Luis R. Rodriguez | ce111ba | 2008-12-23 15:58:39 -0800 | [diff] [blame] | 21 | static void ath_cache_conf_rate(struct ath_softc *sc, |
| 22 | struct ieee80211_conf *conf) |
Sujith | ff37e33 | 2008-11-24 12:07:55 +0530 | [diff] [blame] | 23 | { |
Luis R. Rodriguez | 030bb49 | 2008-12-23 15:58:37 -0800 | [diff] [blame] | 24 | switch (conf->channel->band) { |
| 25 | case IEEE80211_BAND_2GHZ: |
| 26 | if (conf_is_ht20(conf)) |
Felix Fietkau | 545750d | 2009-11-23 22:21:01 +0100 | [diff] [blame] | 27 | sc->cur_rate_mode = ATH9K_MODE_11NG_HT20; |
Luis R. Rodriguez | 030bb49 | 2008-12-23 15:58:37 -0800 | [diff] [blame] | 28 | else if (conf_is_ht40_minus(conf)) |
Felix Fietkau | 545750d | 2009-11-23 22:21:01 +0100 | [diff] [blame] | 29 | sc->cur_rate_mode = ATH9K_MODE_11NG_HT40MINUS; |
Luis R. Rodriguez | 030bb49 | 2008-12-23 15:58:37 -0800 | [diff] [blame] | 30 | else if (conf_is_ht40_plus(conf)) |
Felix Fietkau | 545750d | 2009-11-23 22:21:01 +0100 | [diff] [blame] | 31 | sc->cur_rate_mode = ATH9K_MODE_11NG_HT40PLUS; |
Luis R. Rodriguez | 9674225 | 2008-12-23 15:58:38 -0800 | [diff] [blame] | 32 | else |
Felix Fietkau | 545750d | 2009-11-23 22:21:01 +0100 | [diff] [blame] | 33 | sc->cur_rate_mode = ATH9K_MODE_11G; |
Luis R. Rodriguez | 030bb49 | 2008-12-23 15:58:37 -0800 | [diff] [blame] | 34 | break; |
| 35 | case IEEE80211_BAND_5GHZ: |
| 36 | if (conf_is_ht20(conf)) |
Felix Fietkau | 545750d | 2009-11-23 22:21:01 +0100 | [diff] [blame] | 37 | sc->cur_rate_mode = ATH9K_MODE_11NA_HT20; |
Luis R. Rodriguez | 030bb49 | 2008-12-23 15:58:37 -0800 | [diff] [blame] | 38 | else if (conf_is_ht40_minus(conf)) |
Felix Fietkau | 545750d | 2009-11-23 22:21:01 +0100 | [diff] [blame] | 39 | sc->cur_rate_mode = ATH9K_MODE_11NA_HT40MINUS; |
Luis R. Rodriguez | 030bb49 | 2008-12-23 15:58:37 -0800 | [diff] [blame] | 40 | else if (conf_is_ht40_plus(conf)) |
Felix Fietkau | 545750d | 2009-11-23 22:21:01 +0100 | [diff] [blame] | 41 | sc->cur_rate_mode = ATH9K_MODE_11NA_HT40PLUS; |
Luis R. Rodriguez | 030bb49 | 2008-12-23 15:58:37 -0800 | [diff] [blame] | 42 | else |
Felix Fietkau | 545750d | 2009-11-23 22:21:01 +0100 | [diff] [blame] | 43 | sc->cur_rate_mode = ATH9K_MODE_11A; |
Luis R. Rodriguez | 030bb49 | 2008-12-23 15:58:37 -0800 | [diff] [blame] | 44 | break; |
| 45 | default: |
Luis R. Rodriguez | ce111ba | 2008-12-23 15:58:39 -0800 | [diff] [blame] | 46 | BUG_ON(1); |
Luis R. Rodriguez | 030bb49 | 2008-12-23 15:58:37 -0800 | [diff] [blame] | 47 | break; |
| 48 | } |
Sujith | ff37e33 | 2008-11-24 12:07:55 +0530 | [diff] [blame] | 49 | } |
| 50 | |
| 51 | static void ath_update_txpow(struct ath_softc *sc) |
| 52 | { |
Sujith | cbe61d8 | 2009-02-09 13:27:12 +0530 | [diff] [blame] | 53 | struct ath_hw *ah = sc->sc_ah; |
Sujith | ff37e33 | 2008-11-24 12:07:55 +0530 | [diff] [blame] | 54 | u32 txpow; |
| 55 | |
Sujith | 17d7904 | 2009-02-09 13:27:03 +0530 | [diff] [blame] | 56 | if (sc->curtxpow != sc->config.txpowlimit) { |
| 57 | ath9k_hw_set_txpowerlimit(ah, sc->config.txpowlimit); |
Sujith | ff37e33 | 2008-11-24 12:07:55 +0530 | [diff] [blame] | 58 | /* read back in case value is clamped */ |
| 59 | ath9k_hw_getcapability(ah, ATH9K_CAP_TXPOW, 1, &txpow); |
Sujith | 17d7904 | 2009-02-09 13:27:03 +0530 | [diff] [blame] | 60 | sc->curtxpow = txpow; |
Sujith | ff37e33 | 2008-11-24 12:07:55 +0530 | [diff] [blame] | 61 | } |
| 62 | } |
| 63 | |
| 64 | static u8 parse_mpdudensity(u8 mpdudensity) |
| 65 | { |
| 66 | /* |
| 67 | * 802.11n D2.0 defined values for "Minimum MPDU Start Spacing": |
| 68 | * 0 for no restriction |
| 69 | * 1 for 1/4 us |
| 70 | * 2 for 1/2 us |
| 71 | * 3 for 1 us |
| 72 | * 4 for 2 us |
| 73 | * 5 for 4 us |
| 74 | * 6 for 8 us |
| 75 | * 7 for 16 us |
| 76 | */ |
| 77 | switch (mpdudensity) { |
| 78 | case 0: |
| 79 | return 0; |
| 80 | case 1: |
| 81 | case 2: |
| 82 | case 3: |
| 83 | /* Our lower layer calculations limit our precision to |
| 84 | 1 microsecond */ |
| 85 | return 1; |
| 86 | case 4: |
| 87 | return 2; |
| 88 | case 5: |
| 89 | return 4; |
| 90 | case 6: |
| 91 | return 8; |
| 92 | case 7: |
| 93 | return 16; |
| 94 | default: |
| 95 | return 0; |
| 96 | } |
| 97 | } |
| 98 | |
Vasanthakumar Thiagarajan | 82880a7 | 2009-06-13 14:50:24 +0530 | [diff] [blame] | 99 | static struct ath9k_channel *ath_get_curchannel(struct ath_softc *sc, |
| 100 | struct ieee80211_hw *hw) |
| 101 | { |
| 102 | struct ieee80211_channel *curchan = hw->conf.channel; |
| 103 | struct ath9k_channel *channel; |
| 104 | u8 chan_idx; |
| 105 | |
| 106 | chan_idx = curchan->hw_value; |
| 107 | channel = &sc->sc_ah->channels[chan_idx]; |
| 108 | ath9k_update_ichannel(sc, hw, channel); |
| 109 | return channel; |
| 110 | } |
| 111 | |
Sujith | 5562420 | 2010-01-08 10:36:02 +0530 | [diff] [blame] | 112 | bool ath9k_setpower(struct ath_softc *sc, enum ath9k_power_mode mode) |
Luis R. Rodriguez | 8c77a56 | 2009-09-09 21:02:34 -0700 | [diff] [blame] | 113 | { |
| 114 | unsigned long flags; |
| 115 | bool ret; |
| 116 | |
Luis R. Rodriguez | 9ecdef4 | 2009-09-09 21:10:09 -0700 | [diff] [blame] | 117 | spin_lock_irqsave(&sc->sc_pm_lock, flags); |
| 118 | ret = ath9k_hw_setpower(sc->sc_ah, mode); |
| 119 | spin_unlock_irqrestore(&sc->sc_pm_lock, flags); |
Luis R. Rodriguez | 8c77a56 | 2009-09-09 21:02:34 -0700 | [diff] [blame] | 120 | |
| 121 | return ret; |
| 122 | } |
| 123 | |
Luis R. Rodriguez | a91d75a | 2009-09-09 20:29:18 -0700 | [diff] [blame] | 124 | void ath9k_ps_wakeup(struct ath_softc *sc) |
| 125 | { |
| 126 | unsigned long flags; |
| 127 | |
| 128 | spin_lock_irqsave(&sc->sc_pm_lock, flags); |
| 129 | if (++sc->ps_usecount != 1) |
| 130 | goto unlock; |
| 131 | |
Luis R. Rodriguez | 9ecdef4 | 2009-09-09 21:10:09 -0700 | [diff] [blame] | 132 | ath9k_hw_setpower(sc->sc_ah, ATH9K_PM_AWAKE); |
Luis R. Rodriguez | a91d75a | 2009-09-09 20:29:18 -0700 | [diff] [blame] | 133 | |
| 134 | unlock: |
| 135 | spin_unlock_irqrestore(&sc->sc_pm_lock, flags); |
| 136 | } |
| 137 | |
| 138 | void ath9k_ps_restore(struct ath_softc *sc) |
| 139 | { |
| 140 | unsigned long flags; |
| 141 | |
| 142 | spin_lock_irqsave(&sc->sc_pm_lock, flags); |
| 143 | if (--sc->ps_usecount != 0) |
| 144 | goto unlock; |
| 145 | |
Vivek Natarajan | 1dbfd9d | 2010-01-29 16:56:51 +0530 | [diff] [blame] | 146 | if (sc->ps_idle) |
| 147 | ath9k_hw_setpower(sc->sc_ah, ATH9K_PM_FULL_SLEEP); |
| 148 | else if (sc->ps_enabled && |
| 149 | !(sc->ps_flags & (PS_WAIT_FOR_BEACON | |
Sujith | 1b04b93 | 2010-01-08 10:36:05 +0530 | [diff] [blame] | 150 | PS_WAIT_FOR_CAB | |
| 151 | PS_WAIT_FOR_PSPOLL_DATA | |
| 152 | PS_WAIT_FOR_TX_ACK))) |
Luis R. Rodriguez | 9ecdef4 | 2009-09-09 21:10:09 -0700 | [diff] [blame] | 153 | ath9k_hw_setpower(sc->sc_ah, ATH9K_PM_NETWORK_SLEEP); |
Luis R. Rodriguez | a91d75a | 2009-09-09 20:29:18 -0700 | [diff] [blame] | 154 | |
| 155 | unlock: |
| 156 | spin_unlock_irqrestore(&sc->sc_pm_lock, flags); |
| 157 | } |
| 158 | |
Sujith | ff37e33 | 2008-11-24 12:07:55 +0530 | [diff] [blame] | 159 | /* |
| 160 | * Set/change channels. If the channel is really being changed, it's done |
| 161 | * by reseting the chip. To accomplish this we must first cleanup any pending |
| 162 | * DMA, then restart stuff. |
| 163 | */ |
Jouni Malinen | 0e2dedf | 2009-03-03 19:23:32 +0200 | [diff] [blame] | 164 | int ath_set_channel(struct ath_softc *sc, struct ieee80211_hw *hw, |
| 165 | struct ath9k_channel *hchan) |
Sujith | ff37e33 | 2008-11-24 12:07:55 +0530 | [diff] [blame] | 166 | { |
Sujith | cbe61d8 | 2009-02-09 13:27:12 +0530 | [diff] [blame] | 167 | struct ath_hw *ah = sc->sc_ah; |
Luis R. Rodriguez | c46917b | 2009-09-13 02:42:02 -0700 | [diff] [blame] | 168 | struct ath_common *common = ath9k_hw_common(ah); |
Luis R. Rodriguez | 25c56ee | 2009-09-13 23:04:44 -0700 | [diff] [blame] | 169 | struct ieee80211_conf *conf = &common->hw->conf; |
Sujith | ff37e33 | 2008-11-24 12:07:55 +0530 | [diff] [blame] | 170 | bool fastcc = true, stopped; |
Luis R. Rodriguez | ae8d285 | 2008-12-23 15:58:40 -0800 | [diff] [blame] | 171 | struct ieee80211_channel *channel = hw->conf.channel; |
| 172 | int r; |
Sujith | ff37e33 | 2008-11-24 12:07:55 +0530 | [diff] [blame] | 173 | |
| 174 | if (sc->sc_flags & SC_OP_INVALID) |
| 175 | return -EIO; |
| 176 | |
Vivek Natarajan | 3cbb5dd | 2009-01-20 11:17:08 +0530 | [diff] [blame] | 177 | ath9k_ps_wakeup(sc); |
| 178 | |
Luis R. Rodriguez | c0d7c7a | 2008-12-23 15:58:50 -0800 | [diff] [blame] | 179 | /* |
| 180 | * This is only performed if the channel settings have |
| 181 | * actually changed. |
| 182 | * |
| 183 | * To switch channels clear any pending DMA operations; |
| 184 | * wait long enough for the RX fifo to drain, reset the |
| 185 | * hardware at the new frequency, and then re-enable |
| 186 | * the relevant bits of the h/w. |
| 187 | */ |
| 188 | ath9k_hw_set_interrupts(ah, 0); |
Sujith | 043a040 | 2009-01-16 21:38:47 +0530 | [diff] [blame] | 189 | ath_drain_all_txq(sc, false); |
Luis R. Rodriguez | c0d7c7a | 2008-12-23 15:58:50 -0800 | [diff] [blame] | 190 | stopped = ath_stoprecv(sc); |
Sujith | ff37e33 | 2008-11-24 12:07:55 +0530 | [diff] [blame] | 191 | |
Luis R. Rodriguez | c0d7c7a | 2008-12-23 15:58:50 -0800 | [diff] [blame] | 192 | /* XXX: do not flush receive queue here. We don't want |
| 193 | * to flush data frames already in queue because of |
| 194 | * changing channel. */ |
Sujith | ff37e33 | 2008-11-24 12:07:55 +0530 | [diff] [blame] | 195 | |
Luis R. Rodriguez | c0d7c7a | 2008-12-23 15:58:50 -0800 | [diff] [blame] | 196 | if (!stopped || (sc->sc_flags & SC_OP_FULL_RESET)) |
| 197 | fastcc = false; |
Sujith | ff37e33 | 2008-11-24 12:07:55 +0530 | [diff] [blame] | 198 | |
Luis R. Rodriguez | c46917b | 2009-09-13 02:42:02 -0700 | [diff] [blame] | 199 | ath_print(common, ATH_DBG_CONFIG, |
Luis R. Rodriguez | 25c56ee | 2009-09-13 23:04:44 -0700 | [diff] [blame] | 200 | "(%u MHz) -> (%u MHz), conf_is_ht40: %d\n", |
Luis R. Rodriguez | c46917b | 2009-09-13 02:42:02 -0700 | [diff] [blame] | 201 | sc->sc_ah->curchan->channel, |
Luis R. Rodriguez | 25c56ee | 2009-09-13 23:04:44 -0700 | [diff] [blame] | 202 | channel->center_freq, conf_is_ht40(conf)); |
Sujith | 99405f9 | 2008-11-24 12:08:35 +0530 | [diff] [blame] | 203 | |
Luis R. Rodriguez | c0d7c7a | 2008-12-23 15:58:50 -0800 | [diff] [blame] | 204 | spin_lock_bh(&sc->sc_resetlock); |
Luis R. Rodriguez | ae8d285 | 2008-12-23 15:58:40 -0800 | [diff] [blame] | 205 | |
Luis R. Rodriguez | c0d7c7a | 2008-12-23 15:58:50 -0800 | [diff] [blame] | 206 | r = ath9k_hw_reset(ah, hchan, fastcc); |
| 207 | if (r) { |
Luis R. Rodriguez | c46917b | 2009-09-13 02:42:02 -0700 | [diff] [blame] | 208 | ath_print(common, ATH_DBG_FATAL, |
Pavel Roskin | f643e51 | 2010-01-29 17:22:12 -0500 | [diff] [blame] | 209 | "Unable to reset channel (%u MHz), " |
Luis R. Rodriguez | c46917b | 2009-09-13 02:42:02 -0700 | [diff] [blame] | 210 | "reset status %d\n", |
| 211 | channel->center_freq, r); |
Sujith | ff37e33 | 2008-11-24 12:07:55 +0530 | [diff] [blame] | 212 | spin_unlock_bh(&sc->sc_resetlock); |
Gabor Juhos | 3989279 | 2009-06-15 17:49:09 +0200 | [diff] [blame] | 213 | goto ps_restore; |
Sujith | ff37e33 | 2008-11-24 12:07:55 +0530 | [diff] [blame] | 214 | } |
Luis R. Rodriguez | c0d7c7a | 2008-12-23 15:58:50 -0800 | [diff] [blame] | 215 | spin_unlock_bh(&sc->sc_resetlock); |
| 216 | |
Luis R. Rodriguez | c0d7c7a | 2008-12-23 15:58:50 -0800 | [diff] [blame] | 217 | sc->sc_flags &= ~SC_OP_FULL_RESET; |
| 218 | |
| 219 | if (ath_startrecv(sc) != 0) { |
Luis R. Rodriguez | c46917b | 2009-09-13 02:42:02 -0700 | [diff] [blame] | 220 | ath_print(common, ATH_DBG_FATAL, |
| 221 | "Unable to restart recv logic\n"); |
Gabor Juhos | 3989279 | 2009-06-15 17:49:09 +0200 | [diff] [blame] | 222 | r = -EIO; |
| 223 | goto ps_restore; |
Luis R. Rodriguez | c0d7c7a | 2008-12-23 15:58:50 -0800 | [diff] [blame] | 224 | } |
| 225 | |
| 226 | ath_cache_conf_rate(sc, &hw->conf); |
| 227 | ath_update_txpow(sc); |
Sujith | 17d7904 | 2009-02-09 13:27:03 +0530 | [diff] [blame] | 228 | ath9k_hw_set_interrupts(ah, sc->imask); |
Gabor Juhos | 3989279 | 2009-06-15 17:49:09 +0200 | [diff] [blame] | 229 | |
| 230 | ps_restore: |
Vivek Natarajan | 3cbb5dd | 2009-01-20 11:17:08 +0530 | [diff] [blame] | 231 | ath9k_ps_restore(sc); |
Gabor Juhos | 3989279 | 2009-06-15 17:49:09 +0200 | [diff] [blame] | 232 | return r; |
Sujith | ff37e33 | 2008-11-24 12:07:55 +0530 | [diff] [blame] | 233 | } |
| 234 | |
| 235 | /* |
| 236 | * This routine performs the periodic noise floor calibration function |
| 237 | * that is used to adjust and optimize the chip performance. This |
| 238 | * takes environmental changes (location, temperature) into account. |
| 239 | * When the task is complete, it reschedules itself depending on the |
| 240 | * appropriate interval that was calculated. |
| 241 | */ |
Sujith | 5562420 | 2010-01-08 10:36:02 +0530 | [diff] [blame] | 242 | void ath_ani_calibrate(unsigned long data) |
Sujith | ff37e33 | 2008-11-24 12:07:55 +0530 | [diff] [blame] | 243 | { |
Sujith | 20977d3 | 2009-02-20 15:13:28 +0530 | [diff] [blame] | 244 | struct ath_softc *sc = (struct ath_softc *)data; |
| 245 | struct ath_hw *ah = sc->sc_ah; |
Luis R. Rodriguez | c46917b | 2009-09-13 02:42:02 -0700 | [diff] [blame] | 246 | struct ath_common *common = ath9k_hw_common(ah); |
Sujith | ff37e33 | 2008-11-24 12:07:55 +0530 | [diff] [blame] | 247 | bool longcal = false; |
| 248 | bool shortcal = false; |
| 249 | bool aniflag = false; |
| 250 | unsigned int timestamp = jiffies_to_msecs(jiffies); |
Sujith | 20977d3 | 2009-02-20 15:13:28 +0530 | [diff] [blame] | 251 | u32 cal_interval, short_cal_interval; |
Sujith | ff37e33 | 2008-11-24 12:07:55 +0530 | [diff] [blame] | 252 | |
Sujith | 20977d3 | 2009-02-20 15:13:28 +0530 | [diff] [blame] | 253 | short_cal_interval = (ah->opmode == NL80211_IFTYPE_AP) ? |
| 254 | ATH_AP_SHORT_CALINTERVAL : ATH_STA_SHORT_CALINTERVAL; |
Sujith | ff37e33 | 2008-11-24 12:07:55 +0530 | [diff] [blame] | 255 | |
Jouni Malinen | 1ffc1c6 | 2009-05-19 17:01:39 +0300 | [diff] [blame] | 256 | /* Only calibrate if awake */ |
| 257 | if (sc->sc_ah->power_mode != ATH9K_PM_AWAKE) |
| 258 | goto set_timer; |
| 259 | |
| 260 | ath9k_ps_wakeup(sc); |
| 261 | |
Sujith | ff37e33 | 2008-11-24 12:07:55 +0530 | [diff] [blame] | 262 | /* Long calibration runs independently of short calibration. */ |
Luis R. Rodriguez | 3d536ac | 2009-11-03 17:07:04 -0800 | [diff] [blame] | 263 | if ((timestamp - common->ani.longcal_timer) >= ATH_LONG_CALINTERVAL) { |
Sujith | ff37e33 | 2008-11-24 12:07:55 +0530 | [diff] [blame] | 264 | longcal = true; |
Luis R. Rodriguez | c46917b | 2009-09-13 02:42:02 -0700 | [diff] [blame] | 265 | ath_print(common, ATH_DBG_ANI, "longcal @%lu\n", jiffies); |
Luis R. Rodriguez | 3d536ac | 2009-11-03 17:07:04 -0800 | [diff] [blame] | 266 | common->ani.longcal_timer = timestamp; |
Sujith | ff37e33 | 2008-11-24 12:07:55 +0530 | [diff] [blame] | 267 | } |
| 268 | |
Sujith | 17d7904 | 2009-02-09 13:27:03 +0530 | [diff] [blame] | 269 | /* Short calibration applies only while caldone is false */ |
Luis R. Rodriguez | 3d536ac | 2009-11-03 17:07:04 -0800 | [diff] [blame] | 270 | if (!common->ani.caldone) { |
| 271 | if ((timestamp - common->ani.shortcal_timer) >= short_cal_interval) { |
Sujith | ff37e33 | 2008-11-24 12:07:55 +0530 | [diff] [blame] | 272 | shortcal = true; |
Luis R. Rodriguez | c46917b | 2009-09-13 02:42:02 -0700 | [diff] [blame] | 273 | ath_print(common, ATH_DBG_ANI, |
| 274 | "shortcal @%lu\n", jiffies); |
Luis R. Rodriguez | 3d536ac | 2009-11-03 17:07:04 -0800 | [diff] [blame] | 275 | common->ani.shortcal_timer = timestamp; |
| 276 | common->ani.resetcal_timer = timestamp; |
Sujith | ff37e33 | 2008-11-24 12:07:55 +0530 | [diff] [blame] | 277 | } |
| 278 | } else { |
Luis R. Rodriguez | 3d536ac | 2009-11-03 17:07:04 -0800 | [diff] [blame] | 279 | if ((timestamp - common->ani.resetcal_timer) >= |
Sujith | ff37e33 | 2008-11-24 12:07:55 +0530 | [diff] [blame] | 280 | ATH_RESTART_CALINTERVAL) { |
Luis R. Rodriguez | 3d536ac | 2009-11-03 17:07:04 -0800 | [diff] [blame] | 281 | common->ani.caldone = ath9k_hw_reset_calvalid(ah); |
| 282 | if (common->ani.caldone) |
| 283 | common->ani.resetcal_timer = timestamp; |
Sujith | ff37e33 | 2008-11-24 12:07:55 +0530 | [diff] [blame] | 284 | } |
| 285 | } |
| 286 | |
| 287 | /* Verify whether we must check ANI */ |
Luis R. Rodriguez | 3d536ac | 2009-11-03 17:07:04 -0800 | [diff] [blame] | 288 | if ((timestamp - common->ani.checkani_timer) >= ATH_ANI_POLLINTERVAL) { |
Sujith | ff37e33 | 2008-11-24 12:07:55 +0530 | [diff] [blame] | 289 | aniflag = true; |
Luis R. Rodriguez | 3d536ac | 2009-11-03 17:07:04 -0800 | [diff] [blame] | 290 | common->ani.checkani_timer = timestamp; |
Sujith | ff37e33 | 2008-11-24 12:07:55 +0530 | [diff] [blame] | 291 | } |
| 292 | |
| 293 | /* Skip all processing if there's nothing to do. */ |
| 294 | if (longcal || shortcal || aniflag) { |
| 295 | /* Call ANI routine if necessary */ |
| 296 | if (aniflag) |
Vasanthakumar Thiagarajan | 22e66a4 | 2009-08-19 16:23:40 +0530 | [diff] [blame] | 297 | ath9k_hw_ani_monitor(ah, ah->curchan); |
Sujith | ff37e33 | 2008-11-24 12:07:55 +0530 | [diff] [blame] | 298 | |
| 299 | /* Perform calibration if necessary */ |
| 300 | if (longcal || shortcal) { |
Luis R. Rodriguez | 3d536ac | 2009-11-03 17:07:04 -0800 | [diff] [blame] | 301 | common->ani.caldone = |
Luis R. Rodriguez | 43c2761 | 2009-09-13 21:07:07 -0700 | [diff] [blame] | 302 | ath9k_hw_calibrate(ah, |
| 303 | ah->curchan, |
| 304 | common->rx_chainmask, |
| 305 | longcal); |
Sujith | ff37e33 | 2008-11-24 12:07:55 +0530 | [diff] [blame] | 306 | |
Sujith | 379f044 | 2009-04-13 21:56:48 +0530 | [diff] [blame] | 307 | if (longcal) |
Luis R. Rodriguez | 3d536ac | 2009-11-03 17:07:04 -0800 | [diff] [blame] | 308 | common->ani.noise_floor = ath9k_hw_getchan_noise(ah, |
Sujith | 379f044 | 2009-04-13 21:56:48 +0530 | [diff] [blame] | 309 | ah->curchan); |
Sujith | ff37e33 | 2008-11-24 12:07:55 +0530 | [diff] [blame] | 310 | |
Luis R. Rodriguez | c46917b | 2009-09-13 02:42:02 -0700 | [diff] [blame] | 311 | ath_print(common, ATH_DBG_ANI, |
| 312 | " calibrate chan %u/%x nf: %d\n", |
| 313 | ah->curchan->channel, |
| 314 | ah->curchan->channelFlags, |
Luis R. Rodriguez | 3d536ac | 2009-11-03 17:07:04 -0800 | [diff] [blame] | 315 | common->ani.noise_floor); |
Sujith | ff37e33 | 2008-11-24 12:07:55 +0530 | [diff] [blame] | 316 | } |
| 317 | } |
| 318 | |
Jouni Malinen | 1ffc1c6 | 2009-05-19 17:01:39 +0300 | [diff] [blame] | 319 | ath9k_ps_restore(sc); |
| 320 | |
Sujith | 20977d3 | 2009-02-20 15:13:28 +0530 | [diff] [blame] | 321 | set_timer: |
Sujith | ff37e33 | 2008-11-24 12:07:55 +0530 | [diff] [blame] | 322 | /* |
| 323 | * Set timer interval based on previous results. |
| 324 | * The interval must be the shortest necessary to satisfy ANI, |
| 325 | * short calibration and long calibration. |
| 326 | */ |
Sujith | aac9207 | 2008-12-02 18:37:54 +0530 | [diff] [blame] | 327 | cal_interval = ATH_LONG_CALINTERVAL; |
Sujith | 2660b81 | 2009-02-09 13:27:26 +0530 | [diff] [blame] | 328 | if (sc->sc_ah->config.enable_ani) |
Sujith | aac9207 | 2008-12-02 18:37:54 +0530 | [diff] [blame] | 329 | cal_interval = min(cal_interval, (u32)ATH_ANI_POLLINTERVAL); |
Luis R. Rodriguez | 3d536ac | 2009-11-03 17:07:04 -0800 | [diff] [blame] | 330 | if (!common->ani.caldone) |
Sujith | 20977d3 | 2009-02-20 15:13:28 +0530 | [diff] [blame] | 331 | cal_interval = min(cal_interval, (u32)short_cal_interval); |
Sujith | ff37e33 | 2008-11-24 12:07:55 +0530 | [diff] [blame] | 332 | |
Luis R. Rodriguez | 3d536ac | 2009-11-03 17:07:04 -0800 | [diff] [blame] | 333 | mod_timer(&common->ani.timer, jiffies + msecs_to_jiffies(cal_interval)); |
Sujith | ff37e33 | 2008-11-24 12:07:55 +0530 | [diff] [blame] | 334 | } |
| 335 | |
Luis R. Rodriguez | 3d536ac | 2009-11-03 17:07:04 -0800 | [diff] [blame] | 336 | static void ath_start_ani(struct ath_common *common) |
Sujith | 415f738 | 2009-04-13 21:56:46 +0530 | [diff] [blame] | 337 | { |
| 338 | unsigned long timestamp = jiffies_to_msecs(jiffies); |
| 339 | |
Luis R. Rodriguez | 3d536ac | 2009-11-03 17:07:04 -0800 | [diff] [blame] | 340 | common->ani.longcal_timer = timestamp; |
| 341 | common->ani.shortcal_timer = timestamp; |
| 342 | common->ani.checkani_timer = timestamp; |
Sujith | 415f738 | 2009-04-13 21:56:46 +0530 | [diff] [blame] | 343 | |
Luis R. Rodriguez | 3d536ac | 2009-11-03 17:07:04 -0800 | [diff] [blame] | 344 | mod_timer(&common->ani.timer, |
Sujith | 415f738 | 2009-04-13 21:56:46 +0530 | [diff] [blame] | 345 | jiffies + msecs_to_jiffies(ATH_ANI_POLLINTERVAL)); |
| 346 | } |
| 347 | |
Sujith | ff37e33 | 2008-11-24 12:07:55 +0530 | [diff] [blame] | 348 | /* |
| 349 | * Update tx/rx chainmask. For legacy association, |
| 350 | * hard code chainmask to 1x1, for 11n association, use |
Vasanthakumar Thiagarajan | c97c92d | 2009-01-02 15:35:46 +0530 | [diff] [blame] | 351 | * the chainmask configuration, for bt coexistence, use |
| 352 | * the chainmask configuration even in legacy mode. |
Sujith | ff37e33 | 2008-11-24 12:07:55 +0530 | [diff] [blame] | 353 | */ |
Jouni Malinen | 0e2dedf | 2009-03-03 19:23:32 +0200 | [diff] [blame] | 354 | void ath_update_chainmask(struct ath_softc *sc, int is_ht) |
Sujith | ff37e33 | 2008-11-24 12:07:55 +0530 | [diff] [blame] | 355 | { |
Luis R. Rodriguez | af03abe | 2009-09-09 02:33:11 -0700 | [diff] [blame] | 356 | struct ath_hw *ah = sc->sc_ah; |
Luis R. Rodriguez | 43c2761 | 2009-09-13 21:07:07 -0700 | [diff] [blame] | 357 | struct ath_common *common = ath9k_hw_common(ah); |
Luis R. Rodriguez | af03abe | 2009-09-09 02:33:11 -0700 | [diff] [blame] | 358 | |
Sujith | 3d83261 | 2009-08-21 12:00:28 +0530 | [diff] [blame] | 359 | if ((sc->sc_flags & SC_OP_SCANNING) || is_ht || |
Luis R. Rodriguez | 766ec4a | 2009-09-09 14:52:02 -0700 | [diff] [blame] | 360 | (ah->btcoex_hw.scheme != ATH_BTCOEX_CFG_NONE)) { |
Luis R. Rodriguez | 43c2761 | 2009-09-13 21:07:07 -0700 | [diff] [blame] | 361 | common->tx_chainmask = ah->caps.tx_chainmask; |
| 362 | common->rx_chainmask = ah->caps.rx_chainmask; |
Sujith | ff37e33 | 2008-11-24 12:07:55 +0530 | [diff] [blame] | 363 | } else { |
Luis R. Rodriguez | 43c2761 | 2009-09-13 21:07:07 -0700 | [diff] [blame] | 364 | common->tx_chainmask = 1; |
| 365 | common->rx_chainmask = 1; |
Sujith | ff37e33 | 2008-11-24 12:07:55 +0530 | [diff] [blame] | 366 | } |
| 367 | |
Luis R. Rodriguez | 43c2761 | 2009-09-13 21:07:07 -0700 | [diff] [blame] | 368 | ath_print(common, ATH_DBG_CONFIG, |
Luis R. Rodriguez | c46917b | 2009-09-13 02:42:02 -0700 | [diff] [blame] | 369 | "tx chmask: %d, rx chmask: %d\n", |
Luis R. Rodriguez | 43c2761 | 2009-09-13 21:07:07 -0700 | [diff] [blame] | 370 | common->tx_chainmask, |
| 371 | common->rx_chainmask); |
Sujith | ff37e33 | 2008-11-24 12:07:55 +0530 | [diff] [blame] | 372 | } |
| 373 | |
| 374 | static void ath_node_attach(struct ath_softc *sc, struct ieee80211_sta *sta) |
| 375 | { |
| 376 | struct ath_node *an; |
| 377 | |
| 378 | an = (struct ath_node *)sta->drv_priv; |
| 379 | |
Sujith | 87792ef | 2009-03-30 15:28:48 +0530 | [diff] [blame] | 380 | if (sc->sc_flags & SC_OP_TXAGGR) { |
Sujith | ff37e33 | 2008-11-24 12:07:55 +0530 | [diff] [blame] | 381 | ath_tx_node_init(sc, an); |
Sujith | 9e98ac6 | 2009-07-23 15:32:34 +0530 | [diff] [blame] | 382 | an->maxampdu = 1 << (IEEE80211_HT_MAX_AMPDU_FACTOR + |
Sujith | 87792ef | 2009-03-30 15:28:48 +0530 | [diff] [blame] | 383 | sta->ht_cap.ampdu_factor); |
| 384 | an->mpdudensity = parse_mpdudensity(sta->ht_cap.ampdu_density); |
Senthil Balasubramanian | a59b5a5 | 2009-07-14 20:17:07 -0400 | [diff] [blame] | 385 | an->last_rssi = ATH_RSSI_DUMMY_MARKER; |
Sujith | 87792ef | 2009-03-30 15:28:48 +0530 | [diff] [blame] | 386 | } |
Sujith | ff37e33 | 2008-11-24 12:07:55 +0530 | [diff] [blame] | 387 | } |
| 388 | |
| 389 | static void ath_node_detach(struct ath_softc *sc, struct ieee80211_sta *sta) |
| 390 | { |
| 391 | struct ath_node *an = (struct ath_node *)sta->drv_priv; |
| 392 | |
| 393 | if (sc->sc_flags & SC_OP_TXAGGR) |
| 394 | ath_tx_node_cleanup(sc, an); |
| 395 | } |
| 396 | |
Sujith | 5562420 | 2010-01-08 10:36:02 +0530 | [diff] [blame] | 397 | void ath9k_tasklet(unsigned long data) |
Sujith | ff37e33 | 2008-11-24 12:07:55 +0530 | [diff] [blame] | 398 | { |
| 399 | struct ath_softc *sc = (struct ath_softc *)data; |
Luis R. Rodriguez | af03abe | 2009-09-09 02:33:11 -0700 | [diff] [blame] | 400 | struct ath_hw *ah = sc->sc_ah; |
Luis R. Rodriguez | c46917b | 2009-09-13 02:42:02 -0700 | [diff] [blame] | 401 | struct ath_common *common = ath9k_hw_common(ah); |
Luis R. Rodriguez | af03abe | 2009-09-09 02:33:11 -0700 | [diff] [blame] | 402 | |
Sujith | 17d7904 | 2009-02-09 13:27:03 +0530 | [diff] [blame] | 403 | u32 status = sc->intrstatus; |
Sujith | ff37e33 | 2008-11-24 12:07:55 +0530 | [diff] [blame] | 404 | |
Vasanthakumar Thiagarajan | 153e080 | 2009-05-15 02:47:16 -0400 | [diff] [blame] | 405 | ath9k_ps_wakeup(sc); |
| 406 | |
Sujith | ff37e33 | 2008-11-24 12:07:55 +0530 | [diff] [blame] | 407 | if (status & ATH9K_INT_FATAL) { |
Sujith | ff37e33 | 2008-11-24 12:07:55 +0530 | [diff] [blame] | 408 | ath_reset(sc, false); |
Vasanthakumar Thiagarajan | 153e080 | 2009-05-15 02:47:16 -0400 | [diff] [blame] | 409 | ath9k_ps_restore(sc); |
Sujith | ff37e33 | 2008-11-24 12:07:55 +0530 | [diff] [blame] | 410 | return; |
Sujith | ff37e33 | 2008-11-24 12:07:55 +0530 | [diff] [blame] | 411 | } |
| 412 | |
Sujith | 063d8be | 2009-03-30 15:28:49 +0530 | [diff] [blame] | 413 | if (status & (ATH9K_INT_RX | ATH9K_INT_RXEOL | ATH9K_INT_RXORN)) { |
| 414 | spin_lock_bh(&sc->rx.rxflushlock); |
| 415 | ath_rx_tasklet(sc, 0); |
| 416 | spin_unlock_bh(&sc->rx.rxflushlock); |
| 417 | } |
| 418 | |
| 419 | if (status & ATH9K_INT_TX) |
| 420 | ath_tx_tasklet(sc); |
| 421 | |
Gabor Juhos | 9614832 | 2009-07-24 17:27:21 +0200 | [diff] [blame] | 422 | if ((status & ATH9K_INT_TSFOOR) && sc->ps_enabled) { |
Jouni Malinen | 54ce846 | 2009-05-19 17:01:40 +0300 | [diff] [blame] | 423 | /* |
| 424 | * TSF sync does not look correct; remain awake to sync with |
| 425 | * the next Beacon. |
| 426 | */ |
Luis R. Rodriguez | c46917b | 2009-09-13 02:42:02 -0700 | [diff] [blame] | 427 | ath_print(common, ATH_DBG_PS, |
| 428 | "TSFOOR - Sync with next Beacon\n"); |
Sujith | 1b04b93 | 2010-01-08 10:36:05 +0530 | [diff] [blame] | 429 | sc->ps_flags |= PS_WAIT_FOR_BEACON | PS_BEACON_SYNC; |
Jouni Malinen | 54ce846 | 2009-05-19 17:01:40 +0300 | [diff] [blame] | 430 | } |
| 431 | |
Luis R. Rodriguez | 766ec4a | 2009-09-09 14:52:02 -0700 | [diff] [blame] | 432 | if (ah->btcoex_hw.scheme == ATH_BTCOEX_CFG_3WIRE) |
Vasanthakumar Thiagarajan | ebb8e1d | 2009-09-01 17:46:32 +0530 | [diff] [blame] | 433 | if (status & ATH9K_INT_GENTIMER) |
| 434 | ath_gen_timer_isr(sc->sc_ah); |
| 435 | |
Sujith | ff37e33 | 2008-11-24 12:07:55 +0530 | [diff] [blame] | 436 | /* re-enable hardware interrupt */ |
Luis R. Rodriguez | af03abe | 2009-09-09 02:33:11 -0700 | [diff] [blame] | 437 | ath9k_hw_set_interrupts(ah, sc->imask); |
Vasanthakumar Thiagarajan | 153e080 | 2009-05-15 02:47:16 -0400 | [diff] [blame] | 438 | ath9k_ps_restore(sc); |
Sujith | ff37e33 | 2008-11-24 12:07:55 +0530 | [diff] [blame] | 439 | } |
| 440 | |
Gabor Juhos | 6baff7f | 2009-01-14 20:17:06 +0100 | [diff] [blame] | 441 | irqreturn_t ath_isr(int irq, void *dev) |
Sujith | ff37e33 | 2008-11-24 12:07:55 +0530 | [diff] [blame] | 442 | { |
Sujith | 063d8be | 2009-03-30 15:28:49 +0530 | [diff] [blame] | 443 | #define SCHED_INTR ( \ |
| 444 | ATH9K_INT_FATAL | \ |
| 445 | ATH9K_INT_RXORN | \ |
| 446 | ATH9K_INT_RXEOL | \ |
| 447 | ATH9K_INT_RX | \ |
| 448 | ATH9K_INT_TX | \ |
| 449 | ATH9K_INT_BMISS | \ |
| 450 | ATH9K_INT_CST | \ |
Vasanthakumar Thiagarajan | ebb8e1d | 2009-09-01 17:46:32 +0530 | [diff] [blame] | 451 | ATH9K_INT_TSFOOR | \ |
| 452 | ATH9K_INT_GENTIMER) |
Sujith | 063d8be | 2009-03-30 15:28:49 +0530 | [diff] [blame] | 453 | |
Sujith | ff37e33 | 2008-11-24 12:07:55 +0530 | [diff] [blame] | 454 | struct ath_softc *sc = dev; |
Sujith | cbe61d8 | 2009-02-09 13:27:12 +0530 | [diff] [blame] | 455 | struct ath_hw *ah = sc->sc_ah; |
Sujith | ff37e33 | 2008-11-24 12:07:55 +0530 | [diff] [blame] | 456 | enum ath9k_int status; |
| 457 | bool sched = false; |
| 458 | |
Sujith | 063d8be | 2009-03-30 15:28:49 +0530 | [diff] [blame] | 459 | /* |
| 460 | * The hardware is not ready/present, don't |
| 461 | * touch anything. Note this can happen early |
| 462 | * on if the IRQ is shared. |
| 463 | */ |
| 464 | if (sc->sc_flags & SC_OP_INVALID) |
| 465 | return IRQ_NONE; |
Sujith | ff37e33 | 2008-11-24 12:07:55 +0530 | [diff] [blame] | 466 | |
Sujith | ff37e33 | 2008-11-24 12:07:55 +0530 | [diff] [blame] | 467 | |
Sujith | 063d8be | 2009-03-30 15:28:49 +0530 | [diff] [blame] | 468 | /* shared irq, not for us */ |
Sujith | ff37e33 | 2008-11-24 12:07:55 +0530 | [diff] [blame] | 469 | |
Vasanthakumar Thiagarajan | 153e080 | 2009-05-15 02:47:16 -0400 | [diff] [blame] | 470 | if (!ath9k_hw_intrpend(ah)) |
Sujith | 063d8be | 2009-03-30 15:28:49 +0530 | [diff] [blame] | 471 | return IRQ_NONE; |
Sujith | ff37e33 | 2008-11-24 12:07:55 +0530 | [diff] [blame] | 472 | |
Sujith | 063d8be | 2009-03-30 15:28:49 +0530 | [diff] [blame] | 473 | /* |
| 474 | * Figure out the reason(s) for the interrupt. Note |
| 475 | * that the hal returns a pseudo-ISR that may include |
| 476 | * bits we haven't explicitly enabled so we mask the |
| 477 | * value to insure we only process bits we requested. |
| 478 | */ |
| 479 | ath9k_hw_getisr(ah, &status); /* NB: clears ISR too */ |
| 480 | status &= sc->imask; /* discard unasked-for bits */ |
| 481 | |
| 482 | /* |
| 483 | * If there are no status bits set, then this interrupt was not |
| 484 | * for me (should have been caught above). |
| 485 | */ |
Vasanthakumar Thiagarajan | 153e080 | 2009-05-15 02:47:16 -0400 | [diff] [blame] | 486 | if (!status) |
Sujith | 063d8be | 2009-03-30 15:28:49 +0530 | [diff] [blame] | 487 | return IRQ_NONE; |
Sujith | 063d8be | 2009-03-30 15:28:49 +0530 | [diff] [blame] | 488 | |
| 489 | /* Cache the status */ |
| 490 | sc->intrstatus = status; |
| 491 | |
| 492 | if (status & SCHED_INTR) |
| 493 | sched = true; |
| 494 | |
| 495 | /* |
| 496 | * If a FATAL or RXORN interrupt is received, we have to reset the |
| 497 | * chip immediately. |
| 498 | */ |
| 499 | if (status & (ATH9K_INT_FATAL | ATH9K_INT_RXORN)) |
| 500 | goto chip_reset; |
| 501 | |
| 502 | if (status & ATH9K_INT_SWBA) |
| 503 | tasklet_schedule(&sc->bcon_tasklet); |
| 504 | |
| 505 | if (status & ATH9K_INT_TXURN) |
| 506 | ath9k_hw_updatetxtriglevel(ah, true); |
| 507 | |
| 508 | if (status & ATH9K_INT_MIB) { |
| 509 | /* |
| 510 | * Disable interrupts until we service the MIB |
| 511 | * interrupt; otherwise it will continue to |
| 512 | * fire. |
| 513 | */ |
| 514 | ath9k_hw_set_interrupts(ah, 0); |
| 515 | /* |
| 516 | * Let the hal handle the event. We assume |
| 517 | * it will clear whatever condition caused |
| 518 | * the interrupt. |
| 519 | */ |
Vasanthakumar Thiagarajan | 22e66a4 | 2009-08-19 16:23:40 +0530 | [diff] [blame] | 520 | ath9k_hw_procmibevent(ah); |
Sujith | 063d8be | 2009-03-30 15:28:49 +0530 | [diff] [blame] | 521 | ath9k_hw_set_interrupts(ah, sc->imask); |
| 522 | } |
| 523 | |
Vasanthakumar Thiagarajan | 153e080 | 2009-05-15 02:47:16 -0400 | [diff] [blame] | 524 | if (!(ah->caps.hw_caps & ATH9K_HW_CAP_AUTOSLEEP)) |
| 525 | if (status & ATH9K_INT_TIM_TIMER) { |
Sujith | 063d8be | 2009-03-30 15:28:49 +0530 | [diff] [blame] | 526 | /* Clear RxAbort bit so that we can |
| 527 | * receive frames */ |
Luis R. Rodriguez | 9ecdef4 | 2009-09-09 21:10:09 -0700 | [diff] [blame] | 528 | ath9k_setpower(sc, ATH9K_PM_AWAKE); |
Vasanthakumar Thiagarajan | 153e080 | 2009-05-15 02:47:16 -0400 | [diff] [blame] | 529 | ath9k_hw_setrxabort(sc->sc_ah, 0); |
Sujith | 1b04b93 | 2010-01-08 10:36:05 +0530 | [diff] [blame] | 530 | sc->ps_flags |= PS_WAIT_FOR_BEACON; |
Sujith | 063d8be | 2009-03-30 15:28:49 +0530 | [diff] [blame] | 531 | } |
Sujith | 063d8be | 2009-03-30 15:28:49 +0530 | [diff] [blame] | 532 | |
| 533 | chip_reset: |
| 534 | |
Sujith | 817e11d | 2008-12-07 21:42:44 +0530 | [diff] [blame] | 535 | ath_debug_stat_interrupt(sc, status); |
| 536 | |
Sujith | ff37e33 | 2008-11-24 12:07:55 +0530 | [diff] [blame] | 537 | if (sched) { |
| 538 | /* turn off every interrupt except SWBA */ |
Sujith | 17d7904 | 2009-02-09 13:27:03 +0530 | [diff] [blame] | 539 | ath9k_hw_set_interrupts(ah, (sc->imask & ATH9K_INT_SWBA)); |
Sujith | ff37e33 | 2008-11-24 12:07:55 +0530 | [diff] [blame] | 540 | tasklet_schedule(&sc->intr_tq); |
| 541 | } |
| 542 | |
| 543 | return IRQ_HANDLED; |
Sujith | 063d8be | 2009-03-30 15:28:49 +0530 | [diff] [blame] | 544 | |
| 545 | #undef SCHED_INTR |
Sujith | ff37e33 | 2008-11-24 12:07:55 +0530 | [diff] [blame] | 546 | } |
| 547 | |
Luis R. Rodriguez | f078f20 | 2008-08-04 00:16:41 -0700 | [diff] [blame] | 548 | static u32 ath_get_extchanmode(struct ath_softc *sc, |
Sujith | 99405f9 | 2008-11-24 12:08:35 +0530 | [diff] [blame] | 549 | struct ieee80211_channel *chan, |
Sujith | 094d05d | 2008-12-12 11:57:43 +0530 | [diff] [blame] | 550 | enum nl80211_channel_type channel_type) |
Luis R. Rodriguez | f078f20 | 2008-08-04 00:16:41 -0700 | [diff] [blame] | 551 | { |
| 552 | u32 chanmode = 0; |
Luis R. Rodriguez | f078f20 | 2008-08-04 00:16:41 -0700 | [diff] [blame] | 553 | |
| 554 | switch (chan->band) { |
| 555 | case IEEE80211_BAND_2GHZ: |
Sujith | 094d05d | 2008-12-12 11:57:43 +0530 | [diff] [blame] | 556 | switch(channel_type) { |
| 557 | case NL80211_CHAN_NO_HT: |
| 558 | case NL80211_CHAN_HT20: |
Luis R. Rodriguez | f078f20 | 2008-08-04 00:16:41 -0700 | [diff] [blame] | 559 | chanmode = CHANNEL_G_HT20; |
Sujith | 094d05d | 2008-12-12 11:57:43 +0530 | [diff] [blame] | 560 | break; |
| 561 | case NL80211_CHAN_HT40PLUS: |
Luis R. Rodriguez | f078f20 | 2008-08-04 00:16:41 -0700 | [diff] [blame] | 562 | chanmode = CHANNEL_G_HT40PLUS; |
Sujith | 094d05d | 2008-12-12 11:57:43 +0530 | [diff] [blame] | 563 | break; |
| 564 | case NL80211_CHAN_HT40MINUS: |
Luis R. Rodriguez | f078f20 | 2008-08-04 00:16:41 -0700 | [diff] [blame] | 565 | chanmode = CHANNEL_G_HT40MINUS; |
Sujith | 094d05d | 2008-12-12 11:57:43 +0530 | [diff] [blame] | 566 | break; |
| 567 | } |
Luis R. Rodriguez | f078f20 | 2008-08-04 00:16:41 -0700 | [diff] [blame] | 568 | break; |
| 569 | case IEEE80211_BAND_5GHZ: |
Sujith | 094d05d | 2008-12-12 11:57:43 +0530 | [diff] [blame] | 570 | switch(channel_type) { |
| 571 | case NL80211_CHAN_NO_HT: |
| 572 | case NL80211_CHAN_HT20: |
Luis R. Rodriguez | f078f20 | 2008-08-04 00:16:41 -0700 | [diff] [blame] | 573 | chanmode = CHANNEL_A_HT20; |
Sujith | 094d05d | 2008-12-12 11:57:43 +0530 | [diff] [blame] | 574 | break; |
| 575 | case NL80211_CHAN_HT40PLUS: |
Luis R. Rodriguez | f078f20 | 2008-08-04 00:16:41 -0700 | [diff] [blame] | 576 | chanmode = CHANNEL_A_HT40PLUS; |
Sujith | 094d05d | 2008-12-12 11:57:43 +0530 | [diff] [blame] | 577 | break; |
| 578 | case NL80211_CHAN_HT40MINUS: |
Luis R. Rodriguez | f078f20 | 2008-08-04 00:16:41 -0700 | [diff] [blame] | 579 | chanmode = CHANNEL_A_HT40MINUS; |
Sujith | 094d05d | 2008-12-12 11:57:43 +0530 | [diff] [blame] | 580 | break; |
| 581 | } |
Luis R. Rodriguez | f078f20 | 2008-08-04 00:16:41 -0700 | [diff] [blame] | 582 | break; |
| 583 | default: |
| 584 | break; |
| 585 | } |
| 586 | |
| 587 | return chanmode; |
| 588 | } |
| 589 | |
Luis R. Rodriguez | 7e86c10 | 2009-11-04 17:21:01 -0800 | [diff] [blame] | 590 | static int ath_setkey_tkip(struct ath_common *common, u16 keyix, const u8 *key, |
Jouni Malinen | 3f53dd6 | 2009-02-26 11:18:46 +0200 | [diff] [blame] | 591 | struct ath9k_keyval *hk, const u8 *addr, |
| 592 | bool authenticator) |
Luis R. Rodriguez | f078f20 | 2008-08-04 00:16:41 -0700 | [diff] [blame] | 593 | { |
Luis R. Rodriguez | 7e86c10 | 2009-11-04 17:21:01 -0800 | [diff] [blame] | 594 | struct ath_hw *ah = common->ah; |
Jouni Malinen | 6ace289 | 2008-12-17 13:32:17 +0200 | [diff] [blame] | 595 | const u8 *key_rxmic; |
| 596 | const u8 *key_txmic; |
Luis R. Rodriguez | f078f20 | 2008-08-04 00:16:41 -0700 | [diff] [blame] | 597 | |
Jouni Malinen | 6ace289 | 2008-12-17 13:32:17 +0200 | [diff] [blame] | 598 | key_txmic = key + NL80211_TKIP_DATA_OFFSET_TX_MIC_KEY; |
| 599 | key_rxmic = key + NL80211_TKIP_DATA_OFFSET_RX_MIC_KEY; |
Luis R. Rodriguez | f078f20 | 2008-08-04 00:16:41 -0700 | [diff] [blame] | 600 | |
| 601 | if (addr == NULL) { |
Jouni Malinen | d216aaa | 2009-03-03 13:11:53 +0200 | [diff] [blame] | 602 | /* |
| 603 | * Group key installation - only two key cache entries are used |
| 604 | * regardless of splitmic capability since group key is only |
| 605 | * used either for TX or RX. |
| 606 | */ |
Jouni Malinen | 3f53dd6 | 2009-02-26 11:18:46 +0200 | [diff] [blame] | 607 | if (authenticator) { |
| 608 | memcpy(hk->kv_mic, key_txmic, sizeof(hk->kv_mic)); |
| 609 | memcpy(hk->kv_txmic, key_txmic, sizeof(hk->kv_mic)); |
| 610 | } else { |
| 611 | memcpy(hk->kv_mic, key_rxmic, sizeof(hk->kv_mic)); |
| 612 | memcpy(hk->kv_txmic, key_rxmic, sizeof(hk->kv_mic)); |
| 613 | } |
Luis R. Rodriguez | 7e86c10 | 2009-11-04 17:21:01 -0800 | [diff] [blame] | 614 | return ath9k_hw_set_keycache_entry(ah, keyix, hk, addr); |
Luis R. Rodriguez | f078f20 | 2008-08-04 00:16:41 -0700 | [diff] [blame] | 615 | } |
Luis R. Rodriguez | 7e86c10 | 2009-11-04 17:21:01 -0800 | [diff] [blame] | 616 | if (!common->splitmic) { |
Jouni Malinen | d216aaa | 2009-03-03 13:11:53 +0200 | [diff] [blame] | 617 | /* TX and RX keys share the same key cache entry. */ |
Luis R. Rodriguez | f078f20 | 2008-08-04 00:16:41 -0700 | [diff] [blame] | 618 | memcpy(hk->kv_mic, key_rxmic, sizeof(hk->kv_mic)); |
| 619 | memcpy(hk->kv_txmic, key_txmic, sizeof(hk->kv_txmic)); |
Luis R. Rodriguez | 7e86c10 | 2009-11-04 17:21:01 -0800 | [diff] [blame] | 620 | return ath9k_hw_set_keycache_entry(ah, keyix, hk, addr); |
Luis R. Rodriguez | f078f20 | 2008-08-04 00:16:41 -0700 | [diff] [blame] | 621 | } |
Jouni Malinen | d216aaa | 2009-03-03 13:11:53 +0200 | [diff] [blame] | 622 | |
| 623 | /* Separate key cache entries for TX and RX */ |
| 624 | |
| 625 | /* TX key goes at first index, RX key at +32. */ |
Luis R. Rodriguez | f078f20 | 2008-08-04 00:16:41 -0700 | [diff] [blame] | 626 | memcpy(hk->kv_mic, key_txmic, sizeof(hk->kv_mic)); |
Luis R. Rodriguez | 7e86c10 | 2009-11-04 17:21:01 -0800 | [diff] [blame] | 627 | if (!ath9k_hw_set_keycache_entry(ah, keyix, hk, NULL)) { |
Jouni Malinen | d216aaa | 2009-03-03 13:11:53 +0200 | [diff] [blame] | 628 | /* TX MIC entry failed. No need to proceed further */ |
Luis R. Rodriguez | 7e86c10 | 2009-11-04 17:21:01 -0800 | [diff] [blame] | 629 | ath_print(common, ATH_DBG_FATAL, |
Luis R. Rodriguez | c46917b | 2009-09-13 02:42:02 -0700 | [diff] [blame] | 630 | "Setting TX MIC Key Failed\n"); |
Luis R. Rodriguez | f078f20 | 2008-08-04 00:16:41 -0700 | [diff] [blame] | 631 | return 0; |
| 632 | } |
| 633 | |
| 634 | memcpy(hk->kv_mic, key_rxmic, sizeof(hk->kv_mic)); |
| 635 | /* XXX delete tx key on failure? */ |
Luis R. Rodriguez | 7e86c10 | 2009-11-04 17:21:01 -0800 | [diff] [blame] | 636 | return ath9k_hw_set_keycache_entry(ah, keyix + 32, hk, addr); |
Jouni Malinen | 6ace289 | 2008-12-17 13:32:17 +0200 | [diff] [blame] | 637 | } |
| 638 | |
Luis R. Rodriguez | 7e86c10 | 2009-11-04 17:21:01 -0800 | [diff] [blame] | 639 | static int ath_reserve_key_cache_slot_tkip(struct ath_common *common) |
Jouni Malinen | 6ace289 | 2008-12-17 13:32:17 +0200 | [diff] [blame] | 640 | { |
| 641 | int i; |
| 642 | |
Luis R. Rodriguez | 7e86c10 | 2009-11-04 17:21:01 -0800 | [diff] [blame] | 643 | for (i = IEEE80211_WEP_NKID; i < common->keymax / 2; i++) { |
| 644 | if (test_bit(i, common->keymap) || |
| 645 | test_bit(i + 64, common->keymap)) |
Jouni Malinen | 6ace289 | 2008-12-17 13:32:17 +0200 | [diff] [blame] | 646 | continue; /* At least one part of TKIP key allocated */ |
Luis R. Rodriguez | 7e86c10 | 2009-11-04 17:21:01 -0800 | [diff] [blame] | 647 | if (common->splitmic && |
| 648 | (test_bit(i + 32, common->keymap) || |
| 649 | test_bit(i + 64 + 32, common->keymap))) |
Jouni Malinen | 6ace289 | 2008-12-17 13:32:17 +0200 | [diff] [blame] | 650 | continue; /* At least one part of TKIP key allocated */ |
| 651 | |
| 652 | /* Found a free slot for a TKIP key */ |
| 653 | return i; |
| 654 | } |
| 655 | return -1; |
| 656 | } |
| 657 | |
Luis R. Rodriguez | 7e86c10 | 2009-11-04 17:21:01 -0800 | [diff] [blame] | 658 | static int ath_reserve_key_cache_slot(struct ath_common *common) |
Jouni Malinen | 6ace289 | 2008-12-17 13:32:17 +0200 | [diff] [blame] | 659 | { |
| 660 | int i; |
| 661 | |
| 662 | /* First, try to find slots that would not be available for TKIP. */ |
Luis R. Rodriguez | 7e86c10 | 2009-11-04 17:21:01 -0800 | [diff] [blame] | 663 | if (common->splitmic) { |
| 664 | for (i = IEEE80211_WEP_NKID; i < common->keymax / 4; i++) { |
| 665 | if (!test_bit(i, common->keymap) && |
| 666 | (test_bit(i + 32, common->keymap) || |
| 667 | test_bit(i + 64, common->keymap) || |
| 668 | test_bit(i + 64 + 32, common->keymap))) |
Jouni Malinen | 6ace289 | 2008-12-17 13:32:17 +0200 | [diff] [blame] | 669 | return i; |
Luis R. Rodriguez | 7e86c10 | 2009-11-04 17:21:01 -0800 | [diff] [blame] | 670 | if (!test_bit(i + 32, common->keymap) && |
| 671 | (test_bit(i, common->keymap) || |
| 672 | test_bit(i + 64, common->keymap) || |
| 673 | test_bit(i + 64 + 32, common->keymap))) |
Jouni Malinen | 6ace289 | 2008-12-17 13:32:17 +0200 | [diff] [blame] | 674 | return i + 32; |
Luis R. Rodriguez | 7e86c10 | 2009-11-04 17:21:01 -0800 | [diff] [blame] | 675 | if (!test_bit(i + 64, common->keymap) && |
| 676 | (test_bit(i , common->keymap) || |
| 677 | test_bit(i + 32, common->keymap) || |
| 678 | test_bit(i + 64 + 32, common->keymap))) |
Jouni Malinen | ea61213 | 2008-12-18 14:31:10 +0200 | [diff] [blame] | 679 | return i + 64; |
Luis R. Rodriguez | 7e86c10 | 2009-11-04 17:21:01 -0800 | [diff] [blame] | 680 | if (!test_bit(i + 64 + 32, common->keymap) && |
| 681 | (test_bit(i, common->keymap) || |
| 682 | test_bit(i + 32, common->keymap) || |
| 683 | test_bit(i + 64, common->keymap))) |
Jouni Malinen | ea61213 | 2008-12-18 14:31:10 +0200 | [diff] [blame] | 684 | return i + 64 + 32; |
Jouni Malinen | 6ace289 | 2008-12-17 13:32:17 +0200 | [diff] [blame] | 685 | } |
| 686 | } else { |
Luis R. Rodriguez | 7e86c10 | 2009-11-04 17:21:01 -0800 | [diff] [blame] | 687 | for (i = IEEE80211_WEP_NKID; i < common->keymax / 2; i++) { |
| 688 | if (!test_bit(i, common->keymap) && |
| 689 | test_bit(i + 64, common->keymap)) |
Jouni Malinen | 6ace289 | 2008-12-17 13:32:17 +0200 | [diff] [blame] | 690 | return i; |
Luis R. Rodriguez | 7e86c10 | 2009-11-04 17:21:01 -0800 | [diff] [blame] | 691 | if (test_bit(i, common->keymap) && |
| 692 | !test_bit(i + 64, common->keymap)) |
Jouni Malinen | 6ace289 | 2008-12-17 13:32:17 +0200 | [diff] [blame] | 693 | return i + 64; |
| 694 | } |
| 695 | } |
| 696 | |
| 697 | /* No partially used TKIP slots, pick any available slot */ |
Luis R. Rodriguez | 7e86c10 | 2009-11-04 17:21:01 -0800 | [diff] [blame] | 698 | for (i = IEEE80211_WEP_NKID; i < common->keymax; i++) { |
Jouni Malinen | be2864c | 2008-12-18 14:33:00 +0200 | [diff] [blame] | 699 | /* Do not allow slots that could be needed for TKIP group keys |
| 700 | * to be used. This limitation could be removed if we know that |
| 701 | * TKIP will not be used. */ |
| 702 | if (i >= 64 && i < 64 + IEEE80211_WEP_NKID) |
| 703 | continue; |
Luis R. Rodriguez | 7e86c10 | 2009-11-04 17:21:01 -0800 | [diff] [blame] | 704 | if (common->splitmic) { |
Jouni Malinen | be2864c | 2008-12-18 14:33:00 +0200 | [diff] [blame] | 705 | if (i >= 32 && i < 32 + IEEE80211_WEP_NKID) |
| 706 | continue; |
| 707 | if (i >= 64 + 32 && i < 64 + 32 + IEEE80211_WEP_NKID) |
| 708 | continue; |
| 709 | } |
| 710 | |
Luis R. Rodriguez | 7e86c10 | 2009-11-04 17:21:01 -0800 | [diff] [blame] | 711 | if (!test_bit(i, common->keymap)) |
Jouni Malinen | 6ace289 | 2008-12-17 13:32:17 +0200 | [diff] [blame] | 712 | return i; /* Found a free slot for a key */ |
| 713 | } |
| 714 | |
| 715 | /* No free slot found */ |
| 716 | return -1; |
Luis R. Rodriguez | f078f20 | 2008-08-04 00:16:41 -0700 | [diff] [blame] | 717 | } |
| 718 | |
Luis R. Rodriguez | 7e86c10 | 2009-11-04 17:21:01 -0800 | [diff] [blame] | 719 | static int ath_key_config(struct ath_common *common, |
Jouni Malinen | 3f53dd6 | 2009-02-26 11:18:46 +0200 | [diff] [blame] | 720 | struct ieee80211_vif *vif, |
Johannes Berg | dc822b5 | 2008-12-29 12:55:09 +0100 | [diff] [blame] | 721 | struct ieee80211_sta *sta, |
Luis R. Rodriguez | f078f20 | 2008-08-04 00:16:41 -0700 | [diff] [blame] | 722 | struct ieee80211_key_conf *key) |
| 723 | { |
Luis R. Rodriguez | 7e86c10 | 2009-11-04 17:21:01 -0800 | [diff] [blame] | 724 | struct ath_hw *ah = common->ah; |
Luis R. Rodriguez | f078f20 | 2008-08-04 00:16:41 -0700 | [diff] [blame] | 725 | struct ath9k_keyval hk; |
| 726 | const u8 *mac = NULL; |
| 727 | int ret = 0; |
Jouni Malinen | 6ace289 | 2008-12-17 13:32:17 +0200 | [diff] [blame] | 728 | int idx; |
Luis R. Rodriguez | f078f20 | 2008-08-04 00:16:41 -0700 | [diff] [blame] | 729 | |
| 730 | memset(&hk, 0, sizeof(hk)); |
| 731 | |
| 732 | switch (key->alg) { |
| 733 | case ALG_WEP: |
| 734 | hk.kv_type = ATH9K_CIPHER_WEP; |
| 735 | break; |
| 736 | case ALG_TKIP: |
| 737 | hk.kv_type = ATH9K_CIPHER_TKIP; |
| 738 | break; |
| 739 | case ALG_CCMP: |
| 740 | hk.kv_type = ATH9K_CIPHER_AES_CCM; |
| 741 | break; |
| 742 | default: |
Jouni Malinen | ca470b2 | 2009-01-08 13:32:12 +0200 | [diff] [blame] | 743 | return -EOPNOTSUPP; |
Luis R. Rodriguez | f078f20 | 2008-08-04 00:16:41 -0700 | [diff] [blame] | 744 | } |
| 745 | |
Jouni Malinen | 6ace289 | 2008-12-17 13:32:17 +0200 | [diff] [blame] | 746 | hk.kv_len = key->keylen; |
Luis R. Rodriguez | f078f20 | 2008-08-04 00:16:41 -0700 | [diff] [blame] | 747 | memcpy(hk.kv_val, key->key, key->keylen); |
| 748 | |
Jouni Malinen | 6ace289 | 2008-12-17 13:32:17 +0200 | [diff] [blame] | 749 | if (!(key->flags & IEEE80211_KEY_FLAG_PAIRWISE)) { |
| 750 | /* For now, use the default keys for broadcast keys. This may |
| 751 | * need to change with virtual interfaces. */ |
| 752 | idx = key->keyidx; |
| 753 | } else if (key->keyidx) { |
Johannes Berg | dc822b5 | 2008-12-29 12:55:09 +0100 | [diff] [blame] | 754 | if (WARN_ON(!sta)) |
| 755 | return -EOPNOTSUPP; |
| 756 | mac = sta->addr; |
| 757 | |
Jouni Malinen | 6ace289 | 2008-12-17 13:32:17 +0200 | [diff] [blame] | 758 | if (vif->type != NL80211_IFTYPE_AP) { |
| 759 | /* Only keyidx 0 should be used with unicast key, but |
| 760 | * allow this for client mode for now. */ |
| 761 | idx = key->keyidx; |
| 762 | } else |
| 763 | return -EIO; |
Luis R. Rodriguez | f078f20 | 2008-08-04 00:16:41 -0700 | [diff] [blame] | 764 | } else { |
Johannes Berg | dc822b5 | 2008-12-29 12:55:09 +0100 | [diff] [blame] | 765 | if (WARN_ON(!sta)) |
| 766 | return -EOPNOTSUPP; |
| 767 | mac = sta->addr; |
| 768 | |
Jouni Malinen | 6ace289 | 2008-12-17 13:32:17 +0200 | [diff] [blame] | 769 | if (key->alg == ALG_TKIP) |
Luis R. Rodriguez | 7e86c10 | 2009-11-04 17:21:01 -0800 | [diff] [blame] | 770 | idx = ath_reserve_key_cache_slot_tkip(common); |
Jouni Malinen | 6ace289 | 2008-12-17 13:32:17 +0200 | [diff] [blame] | 771 | else |
Luis R. Rodriguez | 7e86c10 | 2009-11-04 17:21:01 -0800 | [diff] [blame] | 772 | idx = ath_reserve_key_cache_slot(common); |
Jouni Malinen | 6ace289 | 2008-12-17 13:32:17 +0200 | [diff] [blame] | 773 | if (idx < 0) |
Jouni Malinen | ca470b2 | 2009-01-08 13:32:12 +0200 | [diff] [blame] | 774 | return -ENOSPC; /* no free key cache entries */ |
Luis R. Rodriguez | f078f20 | 2008-08-04 00:16:41 -0700 | [diff] [blame] | 775 | } |
| 776 | |
| 777 | if (key->alg == ALG_TKIP) |
Luis R. Rodriguez | 7e86c10 | 2009-11-04 17:21:01 -0800 | [diff] [blame] | 778 | ret = ath_setkey_tkip(common, idx, key->key, &hk, mac, |
Jouni Malinen | 3f53dd6 | 2009-02-26 11:18:46 +0200 | [diff] [blame] | 779 | vif->type == NL80211_IFTYPE_AP); |
Luis R. Rodriguez | f078f20 | 2008-08-04 00:16:41 -0700 | [diff] [blame] | 780 | else |
Luis R. Rodriguez | 7e86c10 | 2009-11-04 17:21:01 -0800 | [diff] [blame] | 781 | ret = ath9k_hw_set_keycache_entry(ah, idx, &hk, mac); |
Luis R. Rodriguez | f078f20 | 2008-08-04 00:16:41 -0700 | [diff] [blame] | 782 | |
| 783 | if (!ret) |
| 784 | return -EIO; |
| 785 | |
Luis R. Rodriguez | 7e86c10 | 2009-11-04 17:21:01 -0800 | [diff] [blame] | 786 | set_bit(idx, common->keymap); |
Jouni Malinen | 6ace289 | 2008-12-17 13:32:17 +0200 | [diff] [blame] | 787 | if (key->alg == ALG_TKIP) { |
Luis R. Rodriguez | 7e86c10 | 2009-11-04 17:21:01 -0800 | [diff] [blame] | 788 | set_bit(idx + 64, common->keymap); |
| 789 | if (common->splitmic) { |
| 790 | set_bit(idx + 32, common->keymap); |
| 791 | set_bit(idx + 64 + 32, common->keymap); |
Jouni Malinen | 6ace289 | 2008-12-17 13:32:17 +0200 | [diff] [blame] | 792 | } |
| 793 | } |
| 794 | |
| 795 | return idx; |
Luis R. Rodriguez | f078f20 | 2008-08-04 00:16:41 -0700 | [diff] [blame] | 796 | } |
| 797 | |
Luis R. Rodriguez | 7e86c10 | 2009-11-04 17:21:01 -0800 | [diff] [blame] | 798 | static void ath_key_delete(struct ath_common *common, struct ieee80211_key_conf *key) |
Luis R. Rodriguez | f078f20 | 2008-08-04 00:16:41 -0700 | [diff] [blame] | 799 | { |
Luis R. Rodriguez | 7e86c10 | 2009-11-04 17:21:01 -0800 | [diff] [blame] | 800 | struct ath_hw *ah = common->ah; |
| 801 | |
| 802 | ath9k_hw_keyreset(ah, key->hw_key_idx); |
Jouni Malinen | 6ace289 | 2008-12-17 13:32:17 +0200 | [diff] [blame] | 803 | if (key->hw_key_idx < IEEE80211_WEP_NKID) |
| 804 | return; |
Luis R. Rodriguez | f078f20 | 2008-08-04 00:16:41 -0700 | [diff] [blame] | 805 | |
Luis R. Rodriguez | 7e86c10 | 2009-11-04 17:21:01 -0800 | [diff] [blame] | 806 | clear_bit(key->hw_key_idx, common->keymap); |
Jouni Malinen | 6ace289 | 2008-12-17 13:32:17 +0200 | [diff] [blame] | 807 | if (key->alg != ALG_TKIP) |
| 808 | return; |
| 809 | |
Luis R. Rodriguez | 7e86c10 | 2009-11-04 17:21:01 -0800 | [diff] [blame] | 810 | clear_bit(key->hw_key_idx + 64, common->keymap); |
| 811 | if (common->splitmic) { |
| 812 | clear_bit(key->hw_key_idx + 32, common->keymap); |
| 813 | clear_bit(key->hw_key_idx + 64 + 32, common->keymap); |
Jouni Malinen | 6ace289 | 2008-12-17 13:32:17 +0200 | [diff] [blame] | 814 | } |
Luis R. Rodriguez | f078f20 | 2008-08-04 00:16:41 -0700 | [diff] [blame] | 815 | } |
| 816 | |
Vasanthakumar Thiagarajan | 8feceb6 | 2008-09-10 18:49:27 +0530 | [diff] [blame] | 817 | static void ath9k_bss_assoc_info(struct ath_softc *sc, |
Sujith | 5640b08 | 2008-10-29 10:16:06 +0530 | [diff] [blame] | 818 | struct ieee80211_vif *vif, |
Vasanthakumar Thiagarajan | 8feceb6 | 2008-09-10 18:49:27 +0530 | [diff] [blame] | 819 | struct ieee80211_bss_conf *bss_conf) |
| 820 | { |
Luis R. Rodriguez | f2b2143 | 2009-09-10 08:50:20 -0700 | [diff] [blame] | 821 | struct ath_hw *ah = sc->sc_ah; |
Luis R. Rodriguez | 1510718 | 2009-09-10 09:22:37 -0700 | [diff] [blame] | 822 | struct ath_common *common = ath9k_hw_common(ah); |
Vasanthakumar Thiagarajan | 8feceb6 | 2008-09-10 18:49:27 +0530 | [diff] [blame] | 823 | |
| 824 | if (bss_conf->assoc) { |
Luis R. Rodriguez | c46917b | 2009-09-13 02:42:02 -0700 | [diff] [blame] | 825 | ath_print(common, ATH_DBG_CONFIG, |
| 826 | "Bss Info ASSOC %d, bssid: %pM\n", |
| 827 | bss_conf->aid, common->curbssid); |
Vasanthakumar Thiagarajan | 8feceb6 | 2008-09-10 18:49:27 +0530 | [diff] [blame] | 828 | |
Vasanthakumar Thiagarajan | 8feceb6 | 2008-09-10 18:49:27 +0530 | [diff] [blame] | 829 | /* New association, store aid */ |
Luis R. Rodriguez | 1510718 | 2009-09-10 09:22:37 -0700 | [diff] [blame] | 830 | common->curaid = bss_conf->aid; |
Luis R. Rodriguez | f2b2143 | 2009-09-10 08:50:20 -0700 | [diff] [blame] | 831 | ath9k_hw_write_associd(ah); |
Jouni Malinen | ccdfeab | 2009-05-20 21:59:08 +0300 | [diff] [blame] | 832 | |
Senthil Balasubramanian | 2664f20 | 2009-06-24 18:56:39 +0530 | [diff] [blame] | 833 | /* |
| 834 | * Request a re-configuration of Beacon related timers |
| 835 | * on the receipt of the first Beacon frame (i.e., |
| 836 | * after time sync with the AP). |
| 837 | */ |
Sujith | 1b04b93 | 2010-01-08 10:36:05 +0530 | [diff] [blame] | 838 | sc->ps_flags |= PS_BEACON_SYNC; |
Vasanthakumar Thiagarajan | 8feceb6 | 2008-09-10 18:49:27 +0530 | [diff] [blame] | 839 | |
| 840 | /* Configure the beacon */ |
Jouni Malinen | 2c3db3d | 2009-03-03 19:23:26 +0200 | [diff] [blame] | 841 | ath_beacon_config(sc, vif); |
Vasanthakumar Thiagarajan | 8feceb6 | 2008-09-10 18:49:27 +0530 | [diff] [blame] | 842 | |
| 843 | /* Reset rssi stats */ |
Vasanthakumar Thiagarajan | 22e66a4 | 2009-08-19 16:23:40 +0530 | [diff] [blame] | 844 | sc->sc_ah->stats.avgbrssi = ATH_RSSI_DUMMY_MARKER; |
Vasanthakumar Thiagarajan | 8feceb6 | 2008-09-10 18:49:27 +0530 | [diff] [blame] | 845 | |
Luis R. Rodriguez | 3d536ac | 2009-11-03 17:07:04 -0800 | [diff] [blame] | 846 | ath_start_ani(common); |
Vasanthakumar Thiagarajan | 8feceb6 | 2008-09-10 18:49:27 +0530 | [diff] [blame] | 847 | } else { |
Luis R. Rodriguez | c46917b | 2009-09-13 02:42:02 -0700 | [diff] [blame] | 848 | ath_print(common, ATH_DBG_CONFIG, "Bss Info DISASSOC\n"); |
Luis R. Rodriguez | 1510718 | 2009-09-10 09:22:37 -0700 | [diff] [blame] | 849 | common->curaid = 0; |
Senthil Balasubramanian | f38faa3 | 2009-06-24 18:56:40 +0530 | [diff] [blame] | 850 | /* Stop ANI */ |
Luis R. Rodriguez | 3d536ac | 2009-11-03 17:07:04 -0800 | [diff] [blame] | 851 | del_timer_sync(&common->ani.timer); |
Vasanthakumar Thiagarajan | 8feceb6 | 2008-09-10 18:49:27 +0530 | [diff] [blame] | 852 | } |
| 853 | } |
| 854 | |
Luis R. Rodriguez | 68a8911 | 2009-11-02 14:35:42 -0800 | [diff] [blame] | 855 | void ath_radio_enable(struct ath_softc *sc, struct ieee80211_hw *hw) |
Vasanthakumar Thiagarajan | 500c064 | 2008-09-10 18:50:17 +0530 | [diff] [blame] | 856 | { |
Sujith | cbe61d8 | 2009-02-09 13:27:12 +0530 | [diff] [blame] | 857 | struct ath_hw *ah = sc->sc_ah; |
Luis R. Rodriguez | c46917b | 2009-09-13 02:42:02 -0700 | [diff] [blame] | 858 | struct ath_common *common = ath9k_hw_common(ah); |
Luis R. Rodriguez | 68a8911 | 2009-11-02 14:35:42 -0800 | [diff] [blame] | 859 | struct ieee80211_channel *channel = hw->conf.channel; |
Luis R. Rodriguez | ae8d285 | 2008-12-23 15:58:40 -0800 | [diff] [blame] | 860 | int r; |
Vasanthakumar Thiagarajan | 500c064 | 2008-09-10 18:50:17 +0530 | [diff] [blame] | 861 | |
Vivek Natarajan | 3cbb5dd | 2009-01-20 11:17:08 +0530 | [diff] [blame] | 862 | ath9k_ps_wakeup(sc); |
Vivek Natarajan | 93b1b37 | 2009-09-17 09:24:58 +0530 | [diff] [blame] | 863 | ath9k_hw_configpcipowersave(ah, 0, 0); |
Sujith | d2f5b3a | 2009-04-13 21:56:25 +0530 | [diff] [blame] | 864 | |
Vasanthakumar Thiagarajan | 159cd46 | 2009-06-13 14:50:25 +0530 | [diff] [blame] | 865 | if (!ah->curchan) |
| 866 | ah->curchan = ath_get_curchannel(sc, sc->hw); |
| 867 | |
Vasanthakumar Thiagarajan | 500c064 | 2008-09-10 18:50:17 +0530 | [diff] [blame] | 868 | spin_lock_bh(&sc->sc_resetlock); |
Sujith | 2660b81 | 2009-02-09 13:27:26 +0530 | [diff] [blame] | 869 | r = ath9k_hw_reset(ah, ah->curchan, false); |
Luis R. Rodriguez | ae8d285 | 2008-12-23 15:58:40 -0800 | [diff] [blame] | 870 | if (r) { |
Luis R. Rodriguez | c46917b | 2009-09-13 02:42:02 -0700 | [diff] [blame] | 871 | ath_print(common, ATH_DBG_FATAL, |
Pavel Roskin | f643e51 | 2010-01-29 17:22:12 -0500 | [diff] [blame] | 872 | "Unable to reset channel (%u MHz), " |
Luis R. Rodriguez | c46917b | 2009-09-13 02:42:02 -0700 | [diff] [blame] | 873 | "reset status %d\n", |
| 874 | channel->center_freq, r); |
Vasanthakumar Thiagarajan | 500c064 | 2008-09-10 18:50:17 +0530 | [diff] [blame] | 875 | } |
| 876 | spin_unlock_bh(&sc->sc_resetlock); |
| 877 | |
| 878 | ath_update_txpow(sc); |
| 879 | if (ath_startrecv(sc) != 0) { |
Luis R. Rodriguez | c46917b | 2009-09-13 02:42:02 -0700 | [diff] [blame] | 880 | ath_print(common, ATH_DBG_FATAL, |
| 881 | "Unable to restart recv logic\n"); |
Vasanthakumar Thiagarajan | 500c064 | 2008-09-10 18:50:17 +0530 | [diff] [blame] | 882 | return; |
| 883 | } |
| 884 | |
| 885 | if (sc->sc_flags & SC_OP_BEACONS) |
Jouni Malinen | 2c3db3d | 2009-03-03 19:23:26 +0200 | [diff] [blame] | 886 | ath_beacon_config(sc, NULL); /* restart beacons */ |
Vasanthakumar Thiagarajan | 500c064 | 2008-09-10 18:50:17 +0530 | [diff] [blame] | 887 | |
| 888 | /* Re-Enable interrupts */ |
Sujith | 17d7904 | 2009-02-09 13:27:03 +0530 | [diff] [blame] | 889 | ath9k_hw_set_interrupts(ah, sc->imask); |
Vasanthakumar Thiagarajan | 500c064 | 2008-09-10 18:50:17 +0530 | [diff] [blame] | 890 | |
| 891 | /* Enable LED */ |
Vivek Natarajan | 08fc5c1 | 2009-08-14 11:30:52 +0530 | [diff] [blame] | 892 | ath9k_hw_cfg_output(ah, ah->led_pin, |
Vasanthakumar Thiagarajan | 500c064 | 2008-09-10 18:50:17 +0530 | [diff] [blame] | 893 | AR_GPIO_OUTPUT_MUX_AS_OUTPUT); |
Vivek Natarajan | 08fc5c1 | 2009-08-14 11:30:52 +0530 | [diff] [blame] | 894 | ath9k_hw_set_gpio(ah, ah->led_pin, 0); |
Vasanthakumar Thiagarajan | 500c064 | 2008-09-10 18:50:17 +0530 | [diff] [blame] | 895 | |
Luis R. Rodriguez | 68a8911 | 2009-11-02 14:35:42 -0800 | [diff] [blame] | 896 | ieee80211_wake_queues(hw); |
Vivek Natarajan | 3cbb5dd | 2009-01-20 11:17:08 +0530 | [diff] [blame] | 897 | ath9k_ps_restore(sc); |
Vasanthakumar Thiagarajan | 500c064 | 2008-09-10 18:50:17 +0530 | [diff] [blame] | 898 | } |
| 899 | |
Luis R. Rodriguez | 68a8911 | 2009-11-02 14:35:42 -0800 | [diff] [blame] | 900 | void ath_radio_disable(struct ath_softc *sc, struct ieee80211_hw *hw) |
Vasanthakumar Thiagarajan | 500c064 | 2008-09-10 18:50:17 +0530 | [diff] [blame] | 901 | { |
Sujith | cbe61d8 | 2009-02-09 13:27:12 +0530 | [diff] [blame] | 902 | struct ath_hw *ah = sc->sc_ah; |
Luis R. Rodriguez | 68a8911 | 2009-11-02 14:35:42 -0800 | [diff] [blame] | 903 | struct ieee80211_channel *channel = hw->conf.channel; |
Luis R. Rodriguez | ae8d285 | 2008-12-23 15:58:40 -0800 | [diff] [blame] | 904 | int r; |
Vasanthakumar Thiagarajan | 500c064 | 2008-09-10 18:50:17 +0530 | [diff] [blame] | 905 | |
Vivek Natarajan | 3cbb5dd | 2009-01-20 11:17:08 +0530 | [diff] [blame] | 906 | ath9k_ps_wakeup(sc); |
Luis R. Rodriguez | 68a8911 | 2009-11-02 14:35:42 -0800 | [diff] [blame] | 907 | ieee80211_stop_queues(hw); |
Vasanthakumar Thiagarajan | 500c064 | 2008-09-10 18:50:17 +0530 | [diff] [blame] | 908 | |
| 909 | /* Disable LED */ |
Vivek Natarajan | 08fc5c1 | 2009-08-14 11:30:52 +0530 | [diff] [blame] | 910 | ath9k_hw_set_gpio(ah, ah->led_pin, 1); |
| 911 | ath9k_hw_cfg_gpio_input(ah, ah->led_pin); |
Vasanthakumar Thiagarajan | 500c064 | 2008-09-10 18:50:17 +0530 | [diff] [blame] | 912 | |
| 913 | /* Disable interrupts */ |
| 914 | ath9k_hw_set_interrupts(ah, 0); |
| 915 | |
Sujith | 043a040 | 2009-01-16 21:38:47 +0530 | [diff] [blame] | 916 | ath_drain_all_txq(sc, false); /* clear pending tx frames */ |
Vasanthakumar Thiagarajan | 500c064 | 2008-09-10 18:50:17 +0530 | [diff] [blame] | 917 | ath_stoprecv(sc); /* turn off frame recv */ |
| 918 | ath_flushrecv(sc); /* flush recv queue */ |
| 919 | |
Vasanthakumar Thiagarajan | 159cd46 | 2009-06-13 14:50:25 +0530 | [diff] [blame] | 920 | if (!ah->curchan) |
Luis R. Rodriguez | 68a8911 | 2009-11-02 14:35:42 -0800 | [diff] [blame] | 921 | ah->curchan = ath_get_curchannel(sc, hw); |
Vasanthakumar Thiagarajan | 159cd46 | 2009-06-13 14:50:25 +0530 | [diff] [blame] | 922 | |
Vasanthakumar Thiagarajan | 500c064 | 2008-09-10 18:50:17 +0530 | [diff] [blame] | 923 | spin_lock_bh(&sc->sc_resetlock); |
Sujith | 2660b81 | 2009-02-09 13:27:26 +0530 | [diff] [blame] | 924 | r = ath9k_hw_reset(ah, ah->curchan, false); |
Luis R. Rodriguez | ae8d285 | 2008-12-23 15:58:40 -0800 | [diff] [blame] | 925 | if (r) { |
Luis R. Rodriguez | c46917b | 2009-09-13 02:42:02 -0700 | [diff] [blame] | 926 | ath_print(ath9k_hw_common(sc->sc_ah), ATH_DBG_FATAL, |
Pavel Roskin | f643e51 | 2010-01-29 17:22:12 -0500 | [diff] [blame] | 927 | "Unable to reset channel (%u MHz), " |
Luis R. Rodriguez | c46917b | 2009-09-13 02:42:02 -0700 | [diff] [blame] | 928 | "reset status %d\n", |
| 929 | channel->center_freq, r); |
Vasanthakumar Thiagarajan | 500c064 | 2008-09-10 18:50:17 +0530 | [diff] [blame] | 930 | } |
| 931 | spin_unlock_bh(&sc->sc_resetlock); |
| 932 | |
| 933 | ath9k_hw_phy_disable(ah); |
Vivek Natarajan | 93b1b37 | 2009-09-17 09:24:58 +0530 | [diff] [blame] | 934 | ath9k_hw_configpcipowersave(ah, 1, 1); |
Vivek Natarajan | 3cbb5dd | 2009-01-20 11:17:08 +0530 | [diff] [blame] | 935 | ath9k_ps_restore(sc); |
Luis R. Rodriguez | 9ecdef4 | 2009-09-09 21:10:09 -0700 | [diff] [blame] | 936 | ath9k_setpower(sc, ATH9K_PM_FULL_SLEEP); |
Vasanthakumar Thiagarajan | 500c064 | 2008-09-10 18:50:17 +0530 | [diff] [blame] | 937 | } |
| 938 | |
Sujith | ff37e33 | 2008-11-24 12:07:55 +0530 | [diff] [blame] | 939 | int ath_reset(struct ath_softc *sc, bool retry_tx) |
| 940 | { |
Sujith | cbe61d8 | 2009-02-09 13:27:12 +0530 | [diff] [blame] | 941 | struct ath_hw *ah = sc->sc_ah; |
Luis R. Rodriguez | c46917b | 2009-09-13 02:42:02 -0700 | [diff] [blame] | 942 | struct ath_common *common = ath9k_hw_common(ah); |
Luis R. Rodriguez | 030bb49 | 2008-12-23 15:58:37 -0800 | [diff] [blame] | 943 | struct ieee80211_hw *hw = sc->hw; |
Luis R. Rodriguez | ae8d285 | 2008-12-23 15:58:40 -0800 | [diff] [blame] | 944 | int r; |
Sujith | ff37e33 | 2008-11-24 12:07:55 +0530 | [diff] [blame] | 945 | |
Sujith | 2ab81d4 | 2009-12-14 16:34:56 +0530 | [diff] [blame] | 946 | /* Stop ANI */ |
| 947 | del_timer_sync(&common->ani.timer); |
| 948 | |
Sujith | cc9c378 | 2010-01-08 10:36:09 +0530 | [diff] [blame] | 949 | ieee80211_stop_queues(hw); |
| 950 | |
Sujith | ff37e33 | 2008-11-24 12:07:55 +0530 | [diff] [blame] | 951 | ath9k_hw_set_interrupts(ah, 0); |
Sujith | 043a040 | 2009-01-16 21:38:47 +0530 | [diff] [blame] | 952 | ath_drain_all_txq(sc, retry_tx); |
Sujith | ff37e33 | 2008-11-24 12:07:55 +0530 | [diff] [blame] | 953 | ath_stoprecv(sc); |
| 954 | ath_flushrecv(sc); |
| 955 | |
| 956 | spin_lock_bh(&sc->sc_resetlock); |
Sujith | 2660b81 | 2009-02-09 13:27:26 +0530 | [diff] [blame] | 957 | r = ath9k_hw_reset(ah, sc->sc_ah->curchan, false); |
Luis R. Rodriguez | ae8d285 | 2008-12-23 15:58:40 -0800 | [diff] [blame] | 958 | if (r) |
Luis R. Rodriguez | c46917b | 2009-09-13 02:42:02 -0700 | [diff] [blame] | 959 | ath_print(common, ATH_DBG_FATAL, |
| 960 | "Unable to reset hardware; reset status %d\n", r); |
Sujith | ff37e33 | 2008-11-24 12:07:55 +0530 | [diff] [blame] | 961 | spin_unlock_bh(&sc->sc_resetlock); |
| 962 | |
| 963 | if (ath_startrecv(sc) != 0) |
Luis R. Rodriguez | c46917b | 2009-09-13 02:42:02 -0700 | [diff] [blame] | 964 | ath_print(common, ATH_DBG_FATAL, |
| 965 | "Unable to start recv logic\n"); |
Sujith | ff37e33 | 2008-11-24 12:07:55 +0530 | [diff] [blame] | 966 | |
| 967 | /* |
| 968 | * We may be doing a reset in response to a request |
| 969 | * that changes the channel so update any state that |
| 970 | * might change as a result. |
| 971 | */ |
Luis R. Rodriguez | ce111ba | 2008-12-23 15:58:39 -0800 | [diff] [blame] | 972 | ath_cache_conf_rate(sc, &hw->conf); |
Sujith | ff37e33 | 2008-11-24 12:07:55 +0530 | [diff] [blame] | 973 | |
| 974 | ath_update_txpow(sc); |
| 975 | |
| 976 | if (sc->sc_flags & SC_OP_BEACONS) |
Jouni Malinen | 2c3db3d | 2009-03-03 19:23:26 +0200 | [diff] [blame] | 977 | ath_beacon_config(sc, NULL); /* restart beacons */ |
Sujith | ff37e33 | 2008-11-24 12:07:55 +0530 | [diff] [blame] | 978 | |
Sujith | 17d7904 | 2009-02-09 13:27:03 +0530 | [diff] [blame] | 979 | ath9k_hw_set_interrupts(ah, sc->imask); |
Sujith | ff37e33 | 2008-11-24 12:07:55 +0530 | [diff] [blame] | 980 | |
| 981 | if (retry_tx) { |
| 982 | int i; |
| 983 | for (i = 0; i < ATH9K_NUM_TX_QUEUES; i++) { |
| 984 | if (ATH_TXQ_SETUP(sc, i)) { |
Sujith | b77f483 | 2008-12-07 21:44:03 +0530 | [diff] [blame] | 985 | spin_lock_bh(&sc->tx.txq[i].axq_lock); |
| 986 | ath_txq_schedule(sc, &sc->tx.txq[i]); |
| 987 | spin_unlock_bh(&sc->tx.txq[i].axq_lock); |
Sujith | ff37e33 | 2008-11-24 12:07:55 +0530 | [diff] [blame] | 988 | } |
| 989 | } |
| 990 | } |
| 991 | |
Sujith | cc9c378 | 2010-01-08 10:36:09 +0530 | [diff] [blame] | 992 | ieee80211_wake_queues(hw); |
| 993 | |
Sujith | 2ab81d4 | 2009-12-14 16:34:56 +0530 | [diff] [blame] | 994 | /* Start ANI */ |
| 995 | ath_start_ani(common); |
| 996 | |
Luis R. Rodriguez | ae8d285 | 2008-12-23 15:58:40 -0800 | [diff] [blame] | 997 | return r; |
Sujith | ff37e33 | 2008-11-24 12:07:55 +0530 | [diff] [blame] | 998 | } |
| 999 | |
Sujith | ff37e33 | 2008-11-24 12:07:55 +0530 | [diff] [blame] | 1000 | int ath_get_hal_qnum(u16 queue, struct ath_softc *sc) |
| 1001 | { |
| 1002 | int qnum; |
| 1003 | |
| 1004 | switch (queue) { |
| 1005 | case 0: |
Sujith | b77f483 | 2008-12-07 21:44:03 +0530 | [diff] [blame] | 1006 | qnum = sc->tx.hwq_map[ATH9K_WME_AC_VO]; |
Sujith | ff37e33 | 2008-11-24 12:07:55 +0530 | [diff] [blame] | 1007 | break; |
| 1008 | case 1: |
Sujith | b77f483 | 2008-12-07 21:44:03 +0530 | [diff] [blame] | 1009 | qnum = sc->tx.hwq_map[ATH9K_WME_AC_VI]; |
Sujith | ff37e33 | 2008-11-24 12:07:55 +0530 | [diff] [blame] | 1010 | break; |
| 1011 | case 2: |
Sujith | b77f483 | 2008-12-07 21:44:03 +0530 | [diff] [blame] | 1012 | qnum = sc->tx.hwq_map[ATH9K_WME_AC_BE]; |
Sujith | ff37e33 | 2008-11-24 12:07:55 +0530 | [diff] [blame] | 1013 | break; |
| 1014 | case 3: |
Sujith | b77f483 | 2008-12-07 21:44:03 +0530 | [diff] [blame] | 1015 | qnum = sc->tx.hwq_map[ATH9K_WME_AC_BK]; |
Sujith | ff37e33 | 2008-11-24 12:07:55 +0530 | [diff] [blame] | 1016 | break; |
| 1017 | default: |
Sujith | b77f483 | 2008-12-07 21:44:03 +0530 | [diff] [blame] | 1018 | qnum = sc->tx.hwq_map[ATH9K_WME_AC_BE]; |
Sujith | ff37e33 | 2008-11-24 12:07:55 +0530 | [diff] [blame] | 1019 | break; |
| 1020 | } |
| 1021 | |
| 1022 | return qnum; |
| 1023 | } |
| 1024 | |
| 1025 | int ath_get_mac80211_qnum(u32 queue, struct ath_softc *sc) |
| 1026 | { |
| 1027 | int qnum; |
| 1028 | |
| 1029 | switch (queue) { |
| 1030 | case ATH9K_WME_AC_VO: |
| 1031 | qnum = 0; |
| 1032 | break; |
| 1033 | case ATH9K_WME_AC_VI: |
| 1034 | qnum = 1; |
| 1035 | break; |
| 1036 | case ATH9K_WME_AC_BE: |
| 1037 | qnum = 2; |
| 1038 | break; |
| 1039 | case ATH9K_WME_AC_BK: |
| 1040 | qnum = 3; |
| 1041 | break; |
| 1042 | default: |
| 1043 | qnum = -1; |
| 1044 | break; |
| 1045 | } |
| 1046 | |
| 1047 | return qnum; |
| 1048 | } |
| 1049 | |
Luis R. Rodriguez | 5f8e077 | 2009-01-22 15:16:48 -0800 | [diff] [blame] | 1050 | /* XXX: Remove me once we don't depend on ath9k_channel for all |
| 1051 | * this redundant data */ |
Jouni Malinen | 0e2dedf | 2009-03-03 19:23:32 +0200 | [diff] [blame] | 1052 | void ath9k_update_ichannel(struct ath_softc *sc, struct ieee80211_hw *hw, |
| 1053 | struct ath9k_channel *ichan) |
Luis R. Rodriguez | 5f8e077 | 2009-01-22 15:16:48 -0800 | [diff] [blame] | 1054 | { |
Luis R. Rodriguez | 5f8e077 | 2009-01-22 15:16:48 -0800 | [diff] [blame] | 1055 | struct ieee80211_channel *chan = hw->conf.channel; |
| 1056 | struct ieee80211_conf *conf = &hw->conf; |
| 1057 | |
| 1058 | ichan->channel = chan->center_freq; |
| 1059 | ichan->chan = chan; |
| 1060 | |
| 1061 | if (chan->band == IEEE80211_BAND_2GHZ) { |
| 1062 | ichan->chanmode = CHANNEL_G; |
Sujith | 8813262 | 2009-09-03 12:08:53 +0530 | [diff] [blame] | 1063 | ichan->channelFlags = CHANNEL_2GHZ | CHANNEL_OFDM | CHANNEL_G; |
Luis R. Rodriguez | 5f8e077 | 2009-01-22 15:16:48 -0800 | [diff] [blame] | 1064 | } else { |
| 1065 | ichan->chanmode = CHANNEL_A; |
| 1066 | ichan->channelFlags = CHANNEL_5GHZ | CHANNEL_OFDM; |
| 1067 | } |
| 1068 | |
Luis R. Rodriguez | 25c56ee | 2009-09-13 23:04:44 -0700 | [diff] [blame] | 1069 | if (conf_is_ht(conf)) |
Luis R. Rodriguez | 5f8e077 | 2009-01-22 15:16:48 -0800 | [diff] [blame] | 1070 | ichan->chanmode = ath_get_extchanmode(sc, chan, |
| 1071 | conf->channel_type); |
Luis R. Rodriguez | 5f8e077 | 2009-01-22 15:16:48 -0800 | [diff] [blame] | 1072 | } |
| 1073 | |
Sujith | ff37e33 | 2008-11-24 12:07:55 +0530 | [diff] [blame] | 1074 | /**********************/ |
| 1075 | /* mac80211 callbacks */ |
| 1076 | /**********************/ |
| 1077 | |
Luis R. Rodriguez | f078f20 | 2008-08-04 00:16:41 -0700 | [diff] [blame] | 1078 | static int ath9k_start(struct ieee80211_hw *hw) |
| 1079 | { |
Jouni Malinen | bce048d | 2009-03-03 19:23:28 +0200 | [diff] [blame] | 1080 | struct ath_wiphy *aphy = hw->priv; |
| 1081 | struct ath_softc *sc = aphy->sc; |
Luis R. Rodriguez | af03abe | 2009-09-09 02:33:11 -0700 | [diff] [blame] | 1082 | struct ath_hw *ah = sc->sc_ah; |
Luis R. Rodriguez | c46917b | 2009-09-13 02:42:02 -0700 | [diff] [blame] | 1083 | struct ath_common *common = ath9k_hw_common(ah); |
Luis R. Rodriguez | f078f20 | 2008-08-04 00:16:41 -0700 | [diff] [blame] | 1084 | struct ieee80211_channel *curchan = hw->conf.channel; |
Sujith | ff37e33 | 2008-11-24 12:07:55 +0530 | [diff] [blame] | 1085 | struct ath9k_channel *init_channel; |
Vasanthakumar Thiagarajan | 82880a7 | 2009-06-13 14:50:24 +0530 | [diff] [blame] | 1086 | int r; |
Luis R. Rodriguez | f078f20 | 2008-08-04 00:16:41 -0700 | [diff] [blame] | 1087 | |
Luis R. Rodriguez | c46917b | 2009-09-13 02:42:02 -0700 | [diff] [blame] | 1088 | ath_print(common, ATH_DBG_CONFIG, |
| 1089 | "Starting driver with initial channel: %d MHz\n", |
| 1090 | curchan->center_freq); |
Luis R. Rodriguez | f078f20 | 2008-08-04 00:16:41 -0700 | [diff] [blame] | 1091 | |
Sujith | 141b38b | 2009-02-04 08:10:07 +0530 | [diff] [blame] | 1092 | mutex_lock(&sc->mutex); |
| 1093 | |
Jouni Malinen | 9580a22 | 2009-03-03 19:23:33 +0200 | [diff] [blame] | 1094 | if (ath9k_wiphy_started(sc)) { |
| 1095 | if (sc->chan_idx == curchan->hw_value) { |
| 1096 | /* |
| 1097 | * Already on the operational channel, the new wiphy |
| 1098 | * can be marked active. |
| 1099 | */ |
| 1100 | aphy->state = ATH_WIPHY_ACTIVE; |
| 1101 | ieee80211_wake_queues(hw); |
| 1102 | } else { |
| 1103 | /* |
| 1104 | * Another wiphy is on another channel, start the new |
| 1105 | * wiphy in paused state. |
| 1106 | */ |
| 1107 | aphy->state = ATH_WIPHY_PAUSED; |
| 1108 | ieee80211_stop_queues(hw); |
| 1109 | } |
| 1110 | mutex_unlock(&sc->mutex); |
| 1111 | return 0; |
| 1112 | } |
| 1113 | aphy->state = ATH_WIPHY_ACTIVE; |
| 1114 | |
Luis R. Rodriguez | f078f20 | 2008-08-04 00:16:41 -0700 | [diff] [blame] | 1115 | /* setup initial channel */ |
| 1116 | |
Vasanthakumar Thiagarajan | 82880a7 | 2009-06-13 14:50:24 +0530 | [diff] [blame] | 1117 | sc->chan_idx = curchan->hw_value; |
Luis R. Rodriguez | f078f20 | 2008-08-04 00:16:41 -0700 | [diff] [blame] | 1118 | |
Vasanthakumar Thiagarajan | 82880a7 | 2009-06-13 14:50:24 +0530 | [diff] [blame] | 1119 | init_channel = ath_get_curchannel(sc, hw); |
Luis R. Rodriguez | f078f20 | 2008-08-04 00:16:41 -0700 | [diff] [blame] | 1120 | |
Sujith | ff37e33 | 2008-11-24 12:07:55 +0530 | [diff] [blame] | 1121 | /* Reset SERDES registers */ |
Luis R. Rodriguez | af03abe | 2009-09-09 02:33:11 -0700 | [diff] [blame] | 1122 | ath9k_hw_configpcipowersave(ah, 0, 0); |
Sujith | ff37e33 | 2008-11-24 12:07:55 +0530 | [diff] [blame] | 1123 | |
| 1124 | /* |
| 1125 | * The basic interface to setting the hardware in a good |
| 1126 | * state is ``reset''. On return the hardware is known to |
| 1127 | * be powered up and with interrupts disabled. This must |
| 1128 | * be followed by initialization of the appropriate bits |
| 1129 | * and then setup of the interrupt mask. |
| 1130 | */ |
| 1131 | spin_lock_bh(&sc->sc_resetlock); |
Luis R. Rodriguez | af03abe | 2009-09-09 02:33:11 -0700 | [diff] [blame] | 1132 | r = ath9k_hw_reset(ah, init_channel, false); |
Luis R. Rodriguez | ae8d285 | 2008-12-23 15:58:40 -0800 | [diff] [blame] | 1133 | if (r) { |
Luis R. Rodriguez | c46917b | 2009-09-13 02:42:02 -0700 | [diff] [blame] | 1134 | ath_print(common, ATH_DBG_FATAL, |
| 1135 | "Unable to reset hardware; reset status %d " |
| 1136 | "(freq %u MHz)\n", r, |
| 1137 | curchan->center_freq); |
Sujith | ff37e33 | 2008-11-24 12:07:55 +0530 | [diff] [blame] | 1138 | spin_unlock_bh(&sc->sc_resetlock); |
Sujith | 141b38b | 2009-02-04 08:10:07 +0530 | [diff] [blame] | 1139 | goto mutex_unlock; |
Luis R. Rodriguez | f078f20 | 2008-08-04 00:16:41 -0700 | [diff] [blame] | 1140 | } |
Sujith | ff37e33 | 2008-11-24 12:07:55 +0530 | [diff] [blame] | 1141 | spin_unlock_bh(&sc->sc_resetlock); |
| 1142 | |
| 1143 | /* |
| 1144 | * This is needed only to setup initial state |
| 1145 | * but it's best done after a reset. |
| 1146 | */ |
| 1147 | ath_update_txpow(sc); |
| 1148 | |
| 1149 | /* |
| 1150 | * Setup the hardware after reset: |
| 1151 | * The receive engine is set going. |
| 1152 | * Frame transmit is handled entirely |
| 1153 | * in the frame output path; there's nothing to do |
| 1154 | * here except setup the interrupt mask. |
| 1155 | */ |
| 1156 | if (ath_startrecv(sc) != 0) { |
Luis R. Rodriguez | c46917b | 2009-09-13 02:42:02 -0700 | [diff] [blame] | 1157 | ath_print(common, ATH_DBG_FATAL, |
| 1158 | "Unable to start recv logic\n"); |
Sujith | 141b38b | 2009-02-04 08:10:07 +0530 | [diff] [blame] | 1159 | r = -EIO; |
| 1160 | goto mutex_unlock; |
Sujith | ff37e33 | 2008-11-24 12:07:55 +0530 | [diff] [blame] | 1161 | } |
| 1162 | |
| 1163 | /* Setup our intr mask. */ |
Sujith | 17d7904 | 2009-02-09 13:27:03 +0530 | [diff] [blame] | 1164 | sc->imask = ATH9K_INT_RX | ATH9K_INT_TX |
Sujith | ff37e33 | 2008-11-24 12:07:55 +0530 | [diff] [blame] | 1165 | | ATH9K_INT_RXEOL | ATH9K_INT_RXORN |
| 1166 | | ATH9K_INT_FATAL | ATH9K_INT_GLOBAL; |
| 1167 | |
Luis R. Rodriguez | af03abe | 2009-09-09 02:33:11 -0700 | [diff] [blame] | 1168 | if (ah->caps.hw_caps & ATH9K_HW_CAP_GTT) |
Sujith | 17d7904 | 2009-02-09 13:27:03 +0530 | [diff] [blame] | 1169 | sc->imask |= ATH9K_INT_GTT; |
Sujith | ff37e33 | 2008-11-24 12:07:55 +0530 | [diff] [blame] | 1170 | |
Luis R. Rodriguez | af03abe | 2009-09-09 02:33:11 -0700 | [diff] [blame] | 1171 | if (ah->caps.hw_caps & ATH9K_HW_CAP_HT) |
Sujith | 17d7904 | 2009-02-09 13:27:03 +0530 | [diff] [blame] | 1172 | sc->imask |= ATH9K_INT_CST; |
Sujith | ff37e33 | 2008-11-24 12:07:55 +0530 | [diff] [blame] | 1173 | |
Luis R. Rodriguez | ce111ba | 2008-12-23 15:58:39 -0800 | [diff] [blame] | 1174 | ath_cache_conf_rate(sc, &hw->conf); |
Sujith | ff37e33 | 2008-11-24 12:07:55 +0530 | [diff] [blame] | 1175 | |
| 1176 | sc->sc_flags &= ~SC_OP_INVALID; |
| 1177 | |
| 1178 | /* Disable BMISS interrupt when we're not associated */ |
Sujith | 17d7904 | 2009-02-09 13:27:03 +0530 | [diff] [blame] | 1179 | sc->imask &= ~(ATH9K_INT_SWBA | ATH9K_INT_BMISS); |
Luis R. Rodriguez | af03abe | 2009-09-09 02:33:11 -0700 | [diff] [blame] | 1180 | ath9k_hw_set_interrupts(ah, sc->imask); |
Sujith | ff37e33 | 2008-11-24 12:07:55 +0530 | [diff] [blame] | 1181 | |
Jouni Malinen | bce048d | 2009-03-03 19:23:28 +0200 | [diff] [blame] | 1182 | ieee80211_wake_queues(hw); |
Luis R. Rodriguez | f078f20 | 2008-08-04 00:16:41 -0700 | [diff] [blame] | 1183 | |
Luis R. Rodriguez | 42935ec | 2009-07-29 20:08:07 -0400 | [diff] [blame] | 1184 | ieee80211_queue_delayed_work(sc->hw, &sc->tx_complete_work, 0); |
Senthil Balasubramanian | 164ace3 | 2009-07-14 20:17:09 -0400 | [diff] [blame] | 1185 | |
Luis R. Rodriguez | 766ec4a | 2009-09-09 14:52:02 -0700 | [diff] [blame] | 1186 | if ((ah->btcoex_hw.scheme != ATH_BTCOEX_CFG_NONE) && |
| 1187 | !ah->btcoex_hw.enabled) { |
Luis R. Rodriguez | 5e19729 | 2009-09-09 15:15:55 -0700 | [diff] [blame] | 1188 | ath9k_hw_btcoex_set_weight(ah, AR_BT_COEX_WGHT, |
| 1189 | AR_STOMP_LOW_WLAN_WGHT); |
Luis R. Rodriguez | af03abe | 2009-09-09 02:33:11 -0700 | [diff] [blame] | 1190 | ath9k_hw_btcoex_enable(ah); |
Vasanthakumar Thiagarajan | f985ad1 | 2009-08-26 21:08:43 +0530 | [diff] [blame] | 1191 | |
Luis R. Rodriguez | 5bb1279 | 2009-09-14 00:55:09 -0700 | [diff] [blame] | 1192 | if (common->bus_ops->bt_coex_prep) |
| 1193 | common->bus_ops->bt_coex_prep(common); |
Luis R. Rodriguez | 766ec4a | 2009-09-09 14:52:02 -0700 | [diff] [blame] | 1194 | if (ah->btcoex_hw.scheme == ATH_BTCOEX_CFG_3WIRE) |
Luis R. Rodriguez | 75d7839 | 2009-09-09 04:00:10 -0700 | [diff] [blame] | 1195 | ath9k_btcoex_timer_resume(sc); |
Vasanthakumar Thiagarajan | 1773912 | 2009-08-26 21:08:50 +0530 | [diff] [blame] | 1196 | } |
| 1197 | |
Sujith | 141b38b | 2009-02-04 08:10:07 +0530 | [diff] [blame] | 1198 | mutex_unlock: |
| 1199 | mutex_unlock(&sc->mutex); |
| 1200 | |
Luis R. Rodriguez | ae8d285 | 2008-12-23 15:58:40 -0800 | [diff] [blame] | 1201 | return r; |
Luis R. Rodriguez | f078f20 | 2008-08-04 00:16:41 -0700 | [diff] [blame] | 1202 | } |
| 1203 | |
| 1204 | static int ath9k_tx(struct ieee80211_hw *hw, |
| 1205 | struct sk_buff *skb) |
| 1206 | { |
Jouni Malinen | 147583c | 2008-08-11 14:01:50 +0300 | [diff] [blame] | 1207 | struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb); |
Jouni Malinen | bce048d | 2009-03-03 19:23:28 +0200 | [diff] [blame] | 1208 | struct ath_wiphy *aphy = hw->priv; |
| 1209 | struct ath_softc *sc = aphy->sc; |
Luis R. Rodriguez | c46917b | 2009-09-13 02:42:02 -0700 | [diff] [blame] | 1210 | struct ath_common *common = ath9k_hw_common(sc->sc_ah); |
Sujith | 528f0c6 | 2008-10-29 10:14:26 +0530 | [diff] [blame] | 1211 | struct ath_tx_control txctl; |
Benoit Papillault | 1bc1488 | 2009-11-24 15:49:18 +0100 | [diff] [blame] | 1212 | int padpos, padsize; |
| 1213 | struct ieee80211_hdr *hdr = (struct ieee80211_hdr *) skb->data; |
Sujith | 528f0c6 | 2008-10-29 10:14:26 +0530 | [diff] [blame] | 1214 | |
Jouni Malinen | 8089cc4 | 2009-03-03 19:23:38 +0200 | [diff] [blame] | 1215 | if (aphy->state != ATH_WIPHY_ACTIVE && aphy->state != ATH_WIPHY_SCAN) { |
Luis R. Rodriguez | c46917b | 2009-09-13 02:42:02 -0700 | [diff] [blame] | 1216 | ath_print(common, ATH_DBG_XMIT, |
| 1217 | "ath9k: %s: TX in unexpected wiphy state " |
| 1218 | "%d\n", wiphy_name(hw->wiphy), aphy->state); |
Jouni Malinen | ee166a0 | 2009-03-03 19:23:36 +0200 | [diff] [blame] | 1219 | goto exit; |
| 1220 | } |
| 1221 | |
Gabor Juhos | 9614832 | 2009-07-24 17:27:21 +0200 | [diff] [blame] | 1222 | if (sc->ps_enabled) { |
Jouni Malinen | dc8c458 | 2009-05-19 17:01:42 +0300 | [diff] [blame] | 1223 | /* |
| 1224 | * mac80211 does not set PM field for normal data frames, so we |
| 1225 | * need to update that based on the current PS mode. |
| 1226 | */ |
| 1227 | if (ieee80211_is_data(hdr->frame_control) && |
| 1228 | !ieee80211_is_nullfunc(hdr->frame_control) && |
| 1229 | !ieee80211_has_pm(hdr->frame_control)) { |
Luis R. Rodriguez | c46917b | 2009-09-13 02:42:02 -0700 | [diff] [blame] | 1230 | ath_print(common, ATH_DBG_PS, "Add PM=1 for a TX frame " |
| 1231 | "while in PS mode\n"); |
Jouni Malinen | dc8c458 | 2009-05-19 17:01:42 +0300 | [diff] [blame] | 1232 | hdr->frame_control |= cpu_to_le16(IEEE80211_FCTL_PM); |
| 1233 | } |
| 1234 | } |
| 1235 | |
Jouni Malinen | 9a23f9c | 2009-05-19 17:01:38 +0300 | [diff] [blame] | 1236 | if (unlikely(sc->sc_ah->power_mode != ATH9K_PM_AWAKE)) { |
| 1237 | /* |
| 1238 | * We are using PS-Poll and mac80211 can request TX while in |
| 1239 | * power save mode. Need to wake up hardware for the TX to be |
| 1240 | * completed and if needed, also for RX of buffered frames. |
| 1241 | */ |
Jouni Malinen | 9a23f9c | 2009-05-19 17:01:38 +0300 | [diff] [blame] | 1242 | ath9k_ps_wakeup(sc); |
| 1243 | ath9k_hw_setrxabort(sc->sc_ah, 0); |
| 1244 | if (ieee80211_is_pspoll(hdr->frame_control)) { |
Luis R. Rodriguez | c46917b | 2009-09-13 02:42:02 -0700 | [diff] [blame] | 1245 | ath_print(common, ATH_DBG_PS, |
| 1246 | "Sending PS-Poll to pick a buffered frame\n"); |
Sujith | 1b04b93 | 2010-01-08 10:36:05 +0530 | [diff] [blame] | 1247 | sc->ps_flags |= PS_WAIT_FOR_PSPOLL_DATA; |
Jouni Malinen | 9a23f9c | 2009-05-19 17:01:38 +0300 | [diff] [blame] | 1248 | } else { |
Luis R. Rodriguez | c46917b | 2009-09-13 02:42:02 -0700 | [diff] [blame] | 1249 | ath_print(common, ATH_DBG_PS, |
| 1250 | "Wake up to complete TX\n"); |
Sujith | 1b04b93 | 2010-01-08 10:36:05 +0530 | [diff] [blame] | 1251 | sc->ps_flags |= PS_WAIT_FOR_TX_ACK; |
Jouni Malinen | 9a23f9c | 2009-05-19 17:01:38 +0300 | [diff] [blame] | 1252 | } |
| 1253 | /* |
| 1254 | * The actual restore operation will happen only after |
| 1255 | * the sc_flags bit is cleared. We are just dropping |
| 1256 | * the ps_usecount here. |
| 1257 | */ |
| 1258 | ath9k_ps_restore(sc); |
| 1259 | } |
| 1260 | |
Sujith | 528f0c6 | 2008-10-29 10:14:26 +0530 | [diff] [blame] | 1261 | memset(&txctl, 0, sizeof(struct ath_tx_control)); |
Jouni Malinen | 147583c | 2008-08-11 14:01:50 +0300 | [diff] [blame] | 1262 | |
| 1263 | /* |
| 1264 | * As a temporary workaround, assign seq# here; this will likely need |
| 1265 | * to be cleaned up to work better with Beacon transmission and virtual |
| 1266 | * BSSes. |
| 1267 | */ |
| 1268 | if (info->flags & IEEE80211_TX_CTL_ASSIGN_SEQ) { |
Jouni Malinen | 147583c | 2008-08-11 14:01:50 +0300 | [diff] [blame] | 1269 | if (info->flags & IEEE80211_TX_CTL_FIRST_FRAGMENT) |
Sujith | b77f483 | 2008-12-07 21:44:03 +0530 | [diff] [blame] | 1270 | sc->tx.seq_no += 0x10; |
Jouni Malinen | 147583c | 2008-08-11 14:01:50 +0300 | [diff] [blame] | 1271 | hdr->seq_ctrl &= cpu_to_le16(IEEE80211_SCTL_FRAG); |
Sujith | b77f483 | 2008-12-07 21:44:03 +0530 | [diff] [blame] | 1272 | hdr->seq_ctrl |= cpu_to_le16(sc->tx.seq_no); |
Jouni Malinen | 147583c | 2008-08-11 14:01:50 +0300 | [diff] [blame] | 1273 | } |
Luis R. Rodriguez | f078f20 | 2008-08-04 00:16:41 -0700 | [diff] [blame] | 1274 | |
| 1275 | /* Add the padding after the header if this is not already done */ |
Benoit Papillault | 1bc1488 | 2009-11-24 15:49:18 +0100 | [diff] [blame] | 1276 | padpos = ath9k_cmn_padpos(hdr->frame_control); |
| 1277 | padsize = padpos & 3; |
| 1278 | if (padsize && skb->len>padpos) { |
Luis R. Rodriguez | f078f20 | 2008-08-04 00:16:41 -0700 | [diff] [blame] | 1279 | if (skb_headroom(skb) < padsize) |
| 1280 | return -1; |
| 1281 | skb_push(skb, padsize); |
Benoit Papillault | 1bc1488 | 2009-11-24 15:49:18 +0100 | [diff] [blame] | 1282 | memmove(skb->data, skb->data + padsize, padpos); |
Luis R. Rodriguez | f078f20 | 2008-08-04 00:16:41 -0700 | [diff] [blame] | 1283 | } |
| 1284 | |
Sujith | 528f0c6 | 2008-10-29 10:14:26 +0530 | [diff] [blame] | 1285 | /* Check if a tx queue is available */ |
| 1286 | |
| 1287 | txctl.txq = ath_test_get_txq(sc, skb); |
| 1288 | if (!txctl.txq) |
| 1289 | goto exit; |
| 1290 | |
Luis R. Rodriguez | c46917b | 2009-09-13 02:42:02 -0700 | [diff] [blame] | 1291 | ath_print(common, ATH_DBG_XMIT, "transmitting packet, skb: %p\n", skb); |
Luis R. Rodriguez | f078f20 | 2008-08-04 00:16:41 -0700 | [diff] [blame] | 1292 | |
Jouni Malinen | c52f33d | 2009-03-03 19:23:29 +0200 | [diff] [blame] | 1293 | if (ath_tx_start(hw, skb, &txctl) != 0) { |
Luis R. Rodriguez | c46917b | 2009-09-13 02:42:02 -0700 | [diff] [blame] | 1294 | ath_print(common, ATH_DBG_XMIT, "TX failed\n"); |
Sujith | 528f0c6 | 2008-10-29 10:14:26 +0530 | [diff] [blame] | 1295 | goto exit; |
Luis R. Rodriguez | f078f20 | 2008-08-04 00:16:41 -0700 | [diff] [blame] | 1296 | } |
| 1297 | |
| 1298 | return 0; |
Sujith | 528f0c6 | 2008-10-29 10:14:26 +0530 | [diff] [blame] | 1299 | exit: |
| 1300 | dev_kfree_skb_any(skb); |
| 1301 | return 0; |
Luis R. Rodriguez | f078f20 | 2008-08-04 00:16:41 -0700 | [diff] [blame] | 1302 | } |
| 1303 | |
| 1304 | static void ath9k_stop(struct ieee80211_hw *hw) |
| 1305 | { |
Jouni Malinen | bce048d | 2009-03-03 19:23:28 +0200 | [diff] [blame] | 1306 | struct ath_wiphy *aphy = hw->priv; |
| 1307 | struct ath_softc *sc = aphy->sc; |
Luis R. Rodriguez | af03abe | 2009-09-09 02:33:11 -0700 | [diff] [blame] | 1308 | struct ath_hw *ah = sc->sc_ah; |
Luis R. Rodriguez | c46917b | 2009-09-13 02:42:02 -0700 | [diff] [blame] | 1309 | struct ath_common *common = ath9k_hw_common(ah); |
Sujith | 9c84b79 | 2008-10-29 10:17:13 +0530 | [diff] [blame] | 1310 | |
Sujith | 4c48381 | 2009-08-18 10:51:52 +0530 | [diff] [blame] | 1311 | mutex_lock(&sc->mutex); |
| 1312 | |
Jouni Malinen | 9580a22 | 2009-03-03 19:23:33 +0200 | [diff] [blame] | 1313 | aphy->state = ATH_WIPHY_INACTIVE; |
| 1314 | |
Luis R. Rodriguez | c94dbff | 2009-07-27 11:53:04 -0700 | [diff] [blame] | 1315 | cancel_delayed_work_sync(&sc->ath_led_blink_work); |
| 1316 | cancel_delayed_work_sync(&sc->tx_complete_work); |
| 1317 | |
| 1318 | if (!sc->num_sec_wiphy) { |
| 1319 | cancel_delayed_work_sync(&sc->wiphy_work); |
| 1320 | cancel_work_sync(&sc->chan_work); |
| 1321 | } |
| 1322 | |
Sujith | 9c84b79 | 2008-10-29 10:17:13 +0530 | [diff] [blame] | 1323 | if (sc->sc_flags & SC_OP_INVALID) { |
Luis R. Rodriguez | c46917b | 2009-09-13 02:42:02 -0700 | [diff] [blame] | 1324 | ath_print(common, ATH_DBG_ANY, "Device not present\n"); |
Sujith | 4c48381 | 2009-08-18 10:51:52 +0530 | [diff] [blame] | 1325 | mutex_unlock(&sc->mutex); |
Sujith | 9c84b79 | 2008-10-29 10:17:13 +0530 | [diff] [blame] | 1326 | return; |
| 1327 | } |
| 1328 | |
Jouni Malinen | 9580a22 | 2009-03-03 19:23:33 +0200 | [diff] [blame] | 1329 | if (ath9k_wiphy_started(sc)) { |
| 1330 | mutex_unlock(&sc->mutex); |
| 1331 | return; /* another wiphy still in use */ |
| 1332 | } |
| 1333 | |
Sujith | 3867cf6 | 2009-12-23 20:03:27 -0500 | [diff] [blame] | 1334 | /* Ensure HW is awake when we try to shut it down. */ |
| 1335 | ath9k_ps_wakeup(sc); |
| 1336 | |
Luis R. Rodriguez | 766ec4a | 2009-09-09 14:52:02 -0700 | [diff] [blame] | 1337 | if (ah->btcoex_hw.enabled) { |
Luis R. Rodriguez | af03abe | 2009-09-09 02:33:11 -0700 | [diff] [blame] | 1338 | ath9k_hw_btcoex_disable(ah); |
Luis R. Rodriguez | 766ec4a | 2009-09-09 14:52:02 -0700 | [diff] [blame] | 1339 | if (ah->btcoex_hw.scheme == ATH_BTCOEX_CFG_3WIRE) |
Luis R. Rodriguez | 75d7839 | 2009-09-09 04:00:10 -0700 | [diff] [blame] | 1340 | ath9k_btcoex_timer_pause(sc); |
Vasanthakumar Thiagarajan | 1773912 | 2009-08-26 21:08:50 +0530 | [diff] [blame] | 1341 | } |
| 1342 | |
Sujith | ff37e33 | 2008-11-24 12:07:55 +0530 | [diff] [blame] | 1343 | /* make sure h/w will not generate any interrupt |
| 1344 | * before setting the invalid flag. */ |
Luis R. Rodriguez | af03abe | 2009-09-09 02:33:11 -0700 | [diff] [blame] | 1345 | ath9k_hw_set_interrupts(ah, 0); |
Sujith | ff37e33 | 2008-11-24 12:07:55 +0530 | [diff] [blame] | 1346 | |
| 1347 | if (!(sc->sc_flags & SC_OP_INVALID)) { |
Sujith | 043a040 | 2009-01-16 21:38:47 +0530 | [diff] [blame] | 1348 | ath_drain_all_txq(sc, false); |
Sujith | ff37e33 | 2008-11-24 12:07:55 +0530 | [diff] [blame] | 1349 | ath_stoprecv(sc); |
Luis R. Rodriguez | af03abe | 2009-09-09 02:33:11 -0700 | [diff] [blame] | 1350 | ath9k_hw_phy_disable(ah); |
Sujith | ff37e33 | 2008-11-24 12:07:55 +0530 | [diff] [blame] | 1351 | } else |
Sujith | b77f483 | 2008-12-07 21:44:03 +0530 | [diff] [blame] | 1352 | sc->rx.rxlink = NULL; |
Sujith | ff37e33 | 2008-11-24 12:07:55 +0530 | [diff] [blame] | 1353 | |
Sujith | ff37e33 | 2008-11-24 12:07:55 +0530 | [diff] [blame] | 1354 | /* disable HAL and put h/w to sleep */ |
Luis R. Rodriguez | af03abe | 2009-09-09 02:33:11 -0700 | [diff] [blame] | 1355 | ath9k_hw_disable(ah); |
| 1356 | ath9k_hw_configpcipowersave(ah, 1, 1); |
Sujith | 3867cf6 | 2009-12-23 20:03:27 -0500 | [diff] [blame] | 1357 | ath9k_ps_restore(sc); |
| 1358 | |
| 1359 | /* Finally, put the chip in FULL SLEEP mode */ |
Luis R. Rodriguez | 9ecdef4 | 2009-09-09 21:10:09 -0700 | [diff] [blame] | 1360 | ath9k_setpower(sc, ATH9K_PM_FULL_SLEEP); |
Sujith | ff37e33 | 2008-11-24 12:07:55 +0530 | [diff] [blame] | 1361 | |
| 1362 | sc->sc_flags |= SC_OP_INVALID; |
Luis R. Rodriguez | f078f20 | 2008-08-04 00:16:41 -0700 | [diff] [blame] | 1363 | |
Sujith | 141b38b | 2009-02-04 08:10:07 +0530 | [diff] [blame] | 1364 | mutex_unlock(&sc->mutex); |
| 1365 | |
Luis R. Rodriguez | c46917b | 2009-09-13 02:42:02 -0700 | [diff] [blame] | 1366 | ath_print(common, ATH_DBG_CONFIG, "Driver halt\n"); |
Luis R. Rodriguez | f078f20 | 2008-08-04 00:16:41 -0700 | [diff] [blame] | 1367 | } |
| 1368 | |
| 1369 | static int ath9k_add_interface(struct ieee80211_hw *hw, |
Johannes Berg | 1ed32e4 | 2009-12-23 13:15:45 +0100 | [diff] [blame] | 1370 | struct ieee80211_vif *vif) |
Luis R. Rodriguez | f078f20 | 2008-08-04 00:16:41 -0700 | [diff] [blame] | 1371 | { |
Jouni Malinen | bce048d | 2009-03-03 19:23:28 +0200 | [diff] [blame] | 1372 | struct ath_wiphy *aphy = hw->priv; |
| 1373 | struct ath_softc *sc = aphy->sc; |
Luis R. Rodriguez | c46917b | 2009-09-13 02:42:02 -0700 | [diff] [blame] | 1374 | struct ath_common *common = ath9k_hw_common(sc->sc_ah); |
Johannes Berg | 1ed32e4 | 2009-12-23 13:15:45 +0100 | [diff] [blame] | 1375 | struct ath_vif *avp = (void *)vif->drv_priv; |
Colin McCabe | d97809d | 2008-12-01 13:38:55 -0800 | [diff] [blame] | 1376 | enum nl80211_iftype ic_opmode = NL80211_IFTYPE_UNSPECIFIED; |
Jouni Malinen | 2c3db3d | 2009-03-03 19:23:26 +0200 | [diff] [blame] | 1377 | int ret = 0; |
Luis R. Rodriguez | f078f20 | 2008-08-04 00:16:41 -0700 | [diff] [blame] | 1378 | |
Sujith | 141b38b | 2009-02-04 08:10:07 +0530 | [diff] [blame] | 1379 | mutex_lock(&sc->mutex); |
| 1380 | |
Jouni Malinen | 8ca21f0 | 2009-03-03 19:23:27 +0200 | [diff] [blame] | 1381 | if (!(sc->sc_ah->caps.hw_caps & ATH9K_HW_CAP_BSSIDMASK) && |
| 1382 | sc->nvifs > 0) { |
| 1383 | ret = -ENOBUFS; |
| 1384 | goto out; |
| 1385 | } |
| 1386 | |
Johannes Berg | 1ed32e4 | 2009-12-23 13:15:45 +0100 | [diff] [blame] | 1387 | switch (vif->type) { |
Johannes Berg | 05c914f | 2008-09-11 00:01:58 +0200 | [diff] [blame] | 1388 | case NL80211_IFTYPE_STATION: |
Colin McCabe | d97809d | 2008-12-01 13:38:55 -0800 | [diff] [blame] | 1389 | ic_opmode = NL80211_IFTYPE_STATION; |
Luis R. Rodriguez | f078f20 | 2008-08-04 00:16:41 -0700 | [diff] [blame] | 1390 | break; |
Johannes Berg | 05c914f | 2008-09-11 00:01:58 +0200 | [diff] [blame] | 1391 | case NL80211_IFTYPE_ADHOC: |
Johannes Berg | 05c914f | 2008-09-11 00:01:58 +0200 | [diff] [blame] | 1392 | case NL80211_IFTYPE_AP: |
Pat Erley | 9cb5412 | 2009-03-20 22:59:59 -0400 | [diff] [blame] | 1393 | case NL80211_IFTYPE_MESH_POINT: |
Jouni Malinen | 2c3db3d | 2009-03-03 19:23:26 +0200 | [diff] [blame] | 1394 | if (sc->nbcnvifs >= ATH_BCBUF) { |
| 1395 | ret = -ENOBUFS; |
| 1396 | goto out; |
| 1397 | } |
Johannes Berg | 1ed32e4 | 2009-12-23 13:15:45 +0100 | [diff] [blame] | 1398 | ic_opmode = vif->type; |
Jouni Malinen | 2ad67de | 2008-08-11 14:01:47 +0300 | [diff] [blame] | 1399 | break; |
Luis R. Rodriguez | f078f20 | 2008-08-04 00:16:41 -0700 | [diff] [blame] | 1400 | default: |
Luis R. Rodriguez | c46917b | 2009-09-13 02:42:02 -0700 | [diff] [blame] | 1401 | ath_print(common, ATH_DBG_FATAL, |
Johannes Berg | 1ed32e4 | 2009-12-23 13:15:45 +0100 | [diff] [blame] | 1402 | "Interface type %d not yet supported\n", vif->type); |
Jouni Malinen | 2c3db3d | 2009-03-03 19:23:26 +0200 | [diff] [blame] | 1403 | ret = -EOPNOTSUPP; |
| 1404 | goto out; |
Luis R. Rodriguez | f078f20 | 2008-08-04 00:16:41 -0700 | [diff] [blame] | 1405 | } |
| 1406 | |
Luis R. Rodriguez | c46917b | 2009-09-13 02:42:02 -0700 | [diff] [blame] | 1407 | ath_print(common, ATH_DBG_CONFIG, |
| 1408 | "Attach a VIF of type: %d\n", ic_opmode); |
Luis R. Rodriguez | f078f20 | 2008-08-04 00:16:41 -0700 | [diff] [blame] | 1409 | |
Sujith | 17d7904 | 2009-02-09 13:27:03 +0530 | [diff] [blame] | 1410 | /* Set the VIF opmode */ |
Sujith | 5640b08 | 2008-10-29 10:16:06 +0530 | [diff] [blame] | 1411 | avp->av_opmode = ic_opmode; |
| 1412 | avp->av_bslot = -1; |
| 1413 | |
Jouni Malinen | 2c3db3d | 2009-03-03 19:23:26 +0200 | [diff] [blame] | 1414 | sc->nvifs++; |
Jouni Malinen | 8ca21f0 | 2009-03-03 19:23:27 +0200 | [diff] [blame] | 1415 | |
| 1416 | if (sc->sc_ah->caps.hw_caps & ATH9K_HW_CAP_BSSIDMASK) |
| 1417 | ath9k_set_bssid_mask(hw); |
| 1418 | |
Jouni Malinen | 2c3db3d | 2009-03-03 19:23:26 +0200 | [diff] [blame] | 1419 | if (sc->nvifs > 1) |
| 1420 | goto out; /* skip global settings for secondary vif */ |
| 1421 | |
Sujith | b238e90 | 2009-03-03 10:16:56 +0530 | [diff] [blame] | 1422 | if (ic_opmode == NL80211_IFTYPE_AP) { |
Sujith | 5640b08 | 2008-10-29 10:16:06 +0530 | [diff] [blame] | 1423 | ath9k_hw_set_tsfadjust(sc->sc_ah, 1); |
Sujith | b238e90 | 2009-03-03 10:16:56 +0530 | [diff] [blame] | 1424 | sc->sc_flags |= SC_OP_TSF_RESET; |
| 1425 | } |
Sujith | 5640b08 | 2008-10-29 10:16:06 +0530 | [diff] [blame] | 1426 | |
Sujith | 5640b08 | 2008-10-29 10:16:06 +0530 | [diff] [blame] | 1427 | /* Set the device opmode */ |
Sujith | 2660b81 | 2009-02-09 13:27:26 +0530 | [diff] [blame] | 1428 | sc->sc_ah->opmode = ic_opmode; |
Sujith | 5640b08 | 2008-10-29 10:16:06 +0530 | [diff] [blame] | 1429 | |
Vivek Natarajan | 4e30ffa | 2009-01-28 20:53:27 +0530 | [diff] [blame] | 1430 | /* |
| 1431 | * Enable MIB interrupts when there are hardware phy counters. |
| 1432 | * Note we only do this (at the moment) for station mode. |
| 1433 | */ |
Johannes Berg | 1ed32e4 | 2009-12-23 13:15:45 +0100 | [diff] [blame] | 1434 | if ((vif->type == NL80211_IFTYPE_STATION) || |
| 1435 | (vif->type == NL80211_IFTYPE_ADHOC) || |
| 1436 | (vif->type == NL80211_IFTYPE_MESH_POINT)) { |
Sujith | 1aa8e84 | 2009-08-13 09:34:25 +0530 | [diff] [blame] | 1437 | sc->imask |= ATH9K_INT_MIB; |
Sujith | 4af9cf4 | 2009-02-12 10:06:47 +0530 | [diff] [blame] | 1438 | sc->imask |= ATH9K_INT_TSFOOR; |
| 1439 | } |
| 1440 | |
Sujith | 17d7904 | 2009-02-09 13:27:03 +0530 | [diff] [blame] | 1441 | ath9k_hw_set_interrupts(sc->sc_ah, sc->imask); |
Vivek Natarajan | 4e30ffa | 2009-01-28 20:53:27 +0530 | [diff] [blame] | 1442 | |
Johannes Berg | 1ed32e4 | 2009-12-23 13:15:45 +0100 | [diff] [blame] | 1443 | if (vif->type == NL80211_IFTYPE_AP || |
| 1444 | vif->type == NL80211_IFTYPE_ADHOC || |
| 1445 | vif->type == NL80211_IFTYPE_MONITOR) |
Luis R. Rodriguez | 3d536ac | 2009-11-03 17:07:04 -0800 | [diff] [blame] | 1446 | ath_start_ani(common); |
Luis R. Rodriguez | 6f25542 | 2008-10-03 15:45:27 -0700 | [diff] [blame] | 1447 | |
Jouni Malinen | 2c3db3d | 2009-03-03 19:23:26 +0200 | [diff] [blame] | 1448 | out: |
Sujith | 141b38b | 2009-02-04 08:10:07 +0530 | [diff] [blame] | 1449 | mutex_unlock(&sc->mutex); |
Jouni Malinen | 2c3db3d | 2009-03-03 19:23:26 +0200 | [diff] [blame] | 1450 | return ret; |
Luis R. Rodriguez | f078f20 | 2008-08-04 00:16:41 -0700 | [diff] [blame] | 1451 | } |
| 1452 | |
| 1453 | static void ath9k_remove_interface(struct ieee80211_hw *hw, |
Johannes Berg | 1ed32e4 | 2009-12-23 13:15:45 +0100 | [diff] [blame] | 1454 | struct ieee80211_vif *vif) |
Luis R. Rodriguez | f078f20 | 2008-08-04 00:16:41 -0700 | [diff] [blame] | 1455 | { |
Jouni Malinen | bce048d | 2009-03-03 19:23:28 +0200 | [diff] [blame] | 1456 | struct ath_wiphy *aphy = hw->priv; |
| 1457 | struct ath_softc *sc = aphy->sc; |
Luis R. Rodriguez | c46917b | 2009-09-13 02:42:02 -0700 | [diff] [blame] | 1458 | struct ath_common *common = ath9k_hw_common(sc->sc_ah); |
Johannes Berg | 1ed32e4 | 2009-12-23 13:15:45 +0100 | [diff] [blame] | 1459 | struct ath_vif *avp = (void *)vif->drv_priv; |
Jouni Malinen | 2c3db3d | 2009-03-03 19:23:26 +0200 | [diff] [blame] | 1460 | int i; |
Luis R. Rodriguez | f078f20 | 2008-08-04 00:16:41 -0700 | [diff] [blame] | 1461 | |
Luis R. Rodriguez | c46917b | 2009-09-13 02:42:02 -0700 | [diff] [blame] | 1462 | ath_print(common, ATH_DBG_CONFIG, "Detach Interface\n"); |
Luis R. Rodriguez | f078f20 | 2008-08-04 00:16:41 -0700 | [diff] [blame] | 1463 | |
Sujith | 141b38b | 2009-02-04 08:10:07 +0530 | [diff] [blame] | 1464 | mutex_lock(&sc->mutex); |
| 1465 | |
Luis R. Rodriguez | 6f25542 | 2008-10-03 15:45:27 -0700 | [diff] [blame] | 1466 | /* Stop ANI */ |
Luis R. Rodriguez | 3d536ac | 2009-11-03 17:07:04 -0800 | [diff] [blame] | 1467 | del_timer_sync(&common->ani.timer); |
Luis R. Rodriguez | f078f20 | 2008-08-04 00:16:41 -0700 | [diff] [blame] | 1468 | |
Luis R. Rodriguez | f078f20 | 2008-08-04 00:16:41 -0700 | [diff] [blame] | 1469 | /* Reclaim beacon resources */ |
Pat Erley | 9cb5412 | 2009-03-20 22:59:59 -0400 | [diff] [blame] | 1470 | if ((sc->sc_ah->opmode == NL80211_IFTYPE_AP) || |
| 1471 | (sc->sc_ah->opmode == NL80211_IFTYPE_ADHOC) || |
| 1472 | (sc->sc_ah->opmode == NL80211_IFTYPE_MESH_POINT)) { |
Luis R. Rodriguez | 5f70a88 | 2009-12-23 20:03:28 -0500 | [diff] [blame] | 1473 | ath9k_ps_wakeup(sc); |
Sujith | b77f483 | 2008-12-07 21:44:03 +0530 | [diff] [blame] | 1474 | ath9k_hw_stoptxdma(sc->sc_ah, sc->beacon.beaconq); |
Luis R. Rodriguez | 5f70a88 | 2009-12-23 20:03:28 -0500 | [diff] [blame] | 1475 | ath9k_ps_restore(sc); |
Luis R. Rodriguez | f078f20 | 2008-08-04 00:16:41 -0700 | [diff] [blame] | 1476 | } |
| 1477 | |
Felix Fietkau | 7440177 | 2010-01-19 20:51:32 +0100 | [diff] [blame] | 1478 | ath_beacon_return(sc, avp); |
Sujith | 672840a | 2008-08-11 14:05:08 +0530 | [diff] [blame] | 1479 | sc->sc_flags &= ~SC_OP_BEACONS; |
Luis R. Rodriguez | f078f20 | 2008-08-04 00:16:41 -0700 | [diff] [blame] | 1480 | |
Jouni Malinen | 2c3db3d | 2009-03-03 19:23:26 +0200 | [diff] [blame] | 1481 | for (i = 0; i < ARRAY_SIZE(sc->beacon.bslot); i++) { |
Johannes Berg | 1ed32e4 | 2009-12-23 13:15:45 +0100 | [diff] [blame] | 1482 | if (sc->beacon.bslot[i] == vif) { |
Jouni Malinen | 2c3db3d | 2009-03-03 19:23:26 +0200 | [diff] [blame] | 1483 | printk(KERN_DEBUG "%s: vif had allocated beacon " |
| 1484 | "slot\n", __func__); |
| 1485 | sc->beacon.bslot[i] = NULL; |
Jouni Malinen | c52f33d | 2009-03-03 19:23:29 +0200 | [diff] [blame] | 1486 | sc->beacon.bslot_aphy[i] = NULL; |
Jouni Malinen | 2c3db3d | 2009-03-03 19:23:26 +0200 | [diff] [blame] | 1487 | } |
| 1488 | } |
| 1489 | |
Sujith | 17d7904 | 2009-02-09 13:27:03 +0530 | [diff] [blame] | 1490 | sc->nvifs--; |
Sujith | 141b38b | 2009-02-04 08:10:07 +0530 | [diff] [blame] | 1491 | |
| 1492 | mutex_unlock(&sc->mutex); |
Luis R. Rodriguez | f078f20 | 2008-08-04 00:16:41 -0700 | [diff] [blame] | 1493 | } |
| 1494 | |
Senthil Balasubramanian | 3f7c5c1 | 2010-02-03 22:51:13 +0530 | [diff] [blame^] | 1495 | void ath9k_enable_ps(struct ath_softc *sc) |
| 1496 | { |
| 1497 | sc->ps_enabled = true; |
| 1498 | if (!(sc->sc_ah->caps.hw_caps & ATH9K_HW_CAP_AUTOSLEEP)) { |
| 1499 | if ((sc->imask & ATH9K_INT_TIM_TIMER) == 0) { |
| 1500 | sc->imask |= ATH9K_INT_TIM_TIMER; |
| 1501 | ath9k_hw_set_interrupts(sc->sc_ah, |
| 1502 | sc->imask); |
| 1503 | } |
| 1504 | } |
| 1505 | ath9k_hw_setrxabort(sc->sc_ah, 1); |
| 1506 | } |
| 1507 | |
Johannes Berg | e897558 | 2008-10-09 12:18:51 +0200 | [diff] [blame] | 1508 | static int ath9k_config(struct ieee80211_hw *hw, u32 changed) |
Luis R. Rodriguez | f078f20 | 2008-08-04 00:16:41 -0700 | [diff] [blame] | 1509 | { |
Jouni Malinen | bce048d | 2009-03-03 19:23:28 +0200 | [diff] [blame] | 1510 | struct ath_wiphy *aphy = hw->priv; |
| 1511 | struct ath_softc *sc = aphy->sc; |
Luis R. Rodriguez | c46917b | 2009-09-13 02:42:02 -0700 | [diff] [blame] | 1512 | struct ath_common *common = ath9k_hw_common(sc->sc_ah); |
Johannes Berg | e897558 | 2008-10-09 12:18:51 +0200 | [diff] [blame] | 1513 | struct ieee80211_conf *conf = &hw->conf; |
Vivek Natarajan | 8782b41 | 2009-03-30 14:17:00 +0530 | [diff] [blame] | 1514 | struct ath_hw *ah = sc->sc_ah; |
Luis R. Rodriguez | 194b7c1 | 2009-10-29 10:41:15 -0700 | [diff] [blame] | 1515 | bool disable_radio; |
Luis R. Rodriguez | f078f20 | 2008-08-04 00:16:41 -0700 | [diff] [blame] | 1516 | |
Sujith | aa33de0 | 2008-12-18 11:40:16 +0530 | [diff] [blame] | 1517 | mutex_lock(&sc->mutex); |
Sujith | 141b38b | 2009-02-04 08:10:07 +0530 | [diff] [blame] | 1518 | |
Luis R. Rodriguez | 194b7c1 | 2009-10-29 10:41:15 -0700 | [diff] [blame] | 1519 | /* |
| 1520 | * Leave this as the first check because we need to turn on the |
| 1521 | * radio if it was disabled before prior to processing the rest |
| 1522 | * of the changes. Likewise we must only disable the radio towards |
| 1523 | * the end. |
| 1524 | */ |
Luis R. Rodriguez | 6483917 | 2009-07-14 20:22:53 -0400 | [diff] [blame] | 1525 | if (changed & IEEE80211_CONF_CHANGE_IDLE) { |
Luis R. Rodriguez | 194b7c1 | 2009-10-29 10:41:15 -0700 | [diff] [blame] | 1526 | bool enable_radio; |
| 1527 | bool all_wiphys_idle; |
| 1528 | bool idle = !!(conf->flags & IEEE80211_CONF_IDLE); |
Luis R. Rodriguez | 6483917 | 2009-07-14 20:22:53 -0400 | [diff] [blame] | 1529 | |
| 1530 | spin_lock_bh(&sc->wiphy_lock); |
| 1531 | all_wiphys_idle = ath9k_all_wiphys_idle(sc); |
Luis R. Rodriguez | 194b7c1 | 2009-10-29 10:41:15 -0700 | [diff] [blame] | 1532 | ath9k_set_wiphy_idle(aphy, idle); |
| 1533 | |
| 1534 | if (!idle && all_wiphys_idle) |
| 1535 | enable_radio = true; |
| 1536 | |
| 1537 | /* |
| 1538 | * After we unlock here its possible another wiphy |
| 1539 | * can be re-renabled so to account for that we will |
| 1540 | * only disable the radio toward the end of this routine |
| 1541 | * if by then all wiphys are still idle. |
| 1542 | */ |
Luis R. Rodriguez | 6483917 | 2009-07-14 20:22:53 -0400 | [diff] [blame] | 1543 | spin_unlock_bh(&sc->wiphy_lock); |
| 1544 | |
Luis R. Rodriguez | 194b7c1 | 2009-10-29 10:41:15 -0700 | [diff] [blame] | 1545 | if (enable_radio) { |
Vivek Natarajan | 1dbfd9d | 2010-01-29 16:56:51 +0530 | [diff] [blame] | 1546 | sc->ps_idle = false; |
Luis R. Rodriguez | 68a8911 | 2009-11-02 14:35:42 -0800 | [diff] [blame] | 1547 | ath_radio_enable(sc, hw); |
Luis R. Rodriguez | c46917b | 2009-09-13 02:42:02 -0700 | [diff] [blame] | 1548 | ath_print(common, ATH_DBG_CONFIG, |
| 1549 | "not-idle: enabling radio\n"); |
Luis R. Rodriguez | 6483917 | 2009-07-14 20:22:53 -0400 | [diff] [blame] | 1550 | } |
| 1551 | } |
| 1552 | |
Luis R. Rodriguez | e7824a5 | 2009-11-24 02:53:25 -0500 | [diff] [blame] | 1553 | /* |
| 1554 | * We just prepare to enable PS. We have to wait until our AP has |
| 1555 | * ACK'd our null data frame to disable RX otherwise we'll ignore |
| 1556 | * those ACKs and end up retransmitting the same null data frames. |
| 1557 | * IEEE80211_CONF_CHANGE_PS is only passed by mac80211 for STA mode. |
| 1558 | */ |
Vivek Natarajan | 3cbb5dd | 2009-01-20 11:17:08 +0530 | [diff] [blame] | 1559 | if (changed & IEEE80211_CONF_CHANGE_PS) { |
| 1560 | if (conf->flags & IEEE80211_CONF_PS) { |
Sujith | 1b04b93 | 2010-01-08 10:36:05 +0530 | [diff] [blame] | 1561 | sc->ps_flags |= PS_ENABLED; |
Luis R. Rodriguez | e7824a5 | 2009-11-24 02:53:25 -0500 | [diff] [blame] | 1562 | /* |
| 1563 | * At this point we know hardware has received an ACK |
| 1564 | * of a previously sent null data frame. |
| 1565 | */ |
Sujith | 1b04b93 | 2010-01-08 10:36:05 +0530 | [diff] [blame] | 1566 | if ((sc->ps_flags & PS_NULLFUNC_COMPLETED)) { |
| 1567 | sc->ps_flags &= ~PS_NULLFUNC_COMPLETED; |
Senthil Balasubramanian | 3f7c5c1 | 2010-02-03 22:51:13 +0530 | [diff] [blame^] | 1568 | ath9k_enable_ps(sc); |
Luis R. Rodriguez | e7824a5 | 2009-11-24 02:53:25 -0500 | [diff] [blame] | 1569 | } |
Vivek Natarajan | 3cbb5dd | 2009-01-20 11:17:08 +0530 | [diff] [blame] | 1570 | } else { |
Gabor Juhos | 9614832 | 2009-07-24 17:27:21 +0200 | [diff] [blame] | 1571 | sc->ps_enabled = false; |
Sujith | 1b04b93 | 2010-01-08 10:36:05 +0530 | [diff] [blame] | 1572 | sc->ps_flags &= ~(PS_ENABLED | |
| 1573 | PS_NULLFUNC_COMPLETED); |
Luis R. Rodriguez | 9ecdef4 | 2009-09-09 21:10:09 -0700 | [diff] [blame] | 1574 | ath9k_setpower(sc, ATH9K_PM_AWAKE); |
Vivek Natarajan | 8782b41 | 2009-03-30 14:17:00 +0530 | [diff] [blame] | 1575 | if (!(ah->caps.hw_caps & |
| 1576 | ATH9K_HW_CAP_AUTOSLEEP)) { |
| 1577 | ath9k_hw_setrxabort(sc->sc_ah, 0); |
Sujith | 1b04b93 | 2010-01-08 10:36:05 +0530 | [diff] [blame] | 1578 | sc->ps_flags &= ~(PS_WAIT_FOR_BEACON | |
| 1579 | PS_WAIT_FOR_CAB | |
| 1580 | PS_WAIT_FOR_PSPOLL_DATA | |
| 1581 | PS_WAIT_FOR_TX_ACK); |
Vivek Natarajan | 8782b41 | 2009-03-30 14:17:00 +0530 | [diff] [blame] | 1582 | if (sc->imask & ATH9K_INT_TIM_TIMER) { |
| 1583 | sc->imask &= ~ATH9K_INT_TIM_TIMER; |
| 1584 | ath9k_hw_set_interrupts(sc->sc_ah, |
| 1585 | sc->imask); |
| 1586 | } |
Vivek Natarajan | 3cbb5dd | 2009-01-20 11:17:08 +0530 | [diff] [blame] | 1587 | } |
| 1588 | } |
| 1589 | } |
| 1590 | |
Sujith | 199afd9 | 2010-01-08 10:36:13 +0530 | [diff] [blame] | 1591 | if (changed & IEEE80211_CONF_CHANGE_MONITOR) { |
| 1592 | if (conf->flags & IEEE80211_CONF_MONITOR) { |
| 1593 | ath_print(common, ATH_DBG_CONFIG, |
| 1594 | "HW opmode set to Monitor mode\n"); |
| 1595 | sc->sc_ah->opmode = NL80211_IFTYPE_MONITOR; |
| 1596 | } |
| 1597 | } |
| 1598 | |
Johannes Berg | 4797938 | 2009-01-07 10:13:27 +0100 | [diff] [blame] | 1599 | if (changed & IEEE80211_CONF_CHANGE_CHANNEL) { |
Sujith | 99405f9 | 2008-11-24 12:08:35 +0530 | [diff] [blame] | 1600 | struct ieee80211_channel *curchan = hw->conf.channel; |
Luis R. Rodriguez | 5f8e077 | 2009-01-22 15:16:48 -0800 | [diff] [blame] | 1601 | int pos = curchan->hw_value; |
Luis R. Rodriguez | f078f20 | 2008-08-04 00:16:41 -0700 | [diff] [blame] | 1602 | |
Jouni Malinen | 0e2dedf | 2009-03-03 19:23:32 +0200 | [diff] [blame] | 1603 | aphy->chan_idx = pos; |
| 1604 | aphy->chan_is_ht = conf_is_ht(conf); |
| 1605 | |
Jouni Malinen | 8089cc4 | 2009-03-03 19:23:38 +0200 | [diff] [blame] | 1606 | if (aphy->state == ATH_WIPHY_SCAN || |
| 1607 | aphy->state == ATH_WIPHY_ACTIVE) |
| 1608 | ath9k_wiphy_pause_all_forced(sc, aphy); |
| 1609 | else { |
| 1610 | /* |
| 1611 | * Do not change operational channel based on a paused |
| 1612 | * wiphy changes. |
| 1613 | */ |
| 1614 | goto skip_chan_change; |
| 1615 | } |
Jouni Malinen | 0e2dedf | 2009-03-03 19:23:32 +0200 | [diff] [blame] | 1616 | |
Luis R. Rodriguez | c46917b | 2009-09-13 02:42:02 -0700 | [diff] [blame] | 1617 | ath_print(common, ATH_DBG_CONFIG, "Set channel: %d MHz\n", |
| 1618 | curchan->center_freq); |
Johannes Berg | ae5eb02 | 2008-10-14 16:58:37 +0200 | [diff] [blame] | 1619 | |
Luis R. Rodriguez | 5f8e077 | 2009-01-22 15:16:48 -0800 | [diff] [blame] | 1620 | /* XXX: remove me eventualy */ |
Jouni Malinen | 0e2dedf | 2009-03-03 19:23:32 +0200 | [diff] [blame] | 1621 | ath9k_update_ichannel(sc, hw, &sc->sc_ah->channels[pos]); |
Sujith | e11602b | 2008-11-27 09:46:27 +0530 | [diff] [blame] | 1622 | |
Luis R. Rodriguez | ecf7044 | 2008-12-23 15:58:43 -0800 | [diff] [blame] | 1623 | ath_update_chainmask(sc, conf_is_ht(conf)); |
Sujith | 86060f0 | 2009-01-07 14:25:29 +0530 | [diff] [blame] | 1624 | |
Jouni Malinen | 0e2dedf | 2009-03-03 19:23:32 +0200 | [diff] [blame] | 1625 | if (ath_set_channel(sc, hw, &sc->sc_ah->channels[pos]) < 0) { |
Luis R. Rodriguez | c46917b | 2009-09-13 02:42:02 -0700 | [diff] [blame] | 1626 | ath_print(common, ATH_DBG_FATAL, |
| 1627 | "Unable to set channel\n"); |
Sujith | aa33de0 | 2008-12-18 11:40:16 +0530 | [diff] [blame] | 1628 | mutex_unlock(&sc->mutex); |
Sujith | e11602b | 2008-11-27 09:46:27 +0530 | [diff] [blame] | 1629 | return -EINVAL; |
| 1630 | } |
Sujith | 094d05d | 2008-12-12 11:57:43 +0530 | [diff] [blame] | 1631 | } |
Sujith | 86b89ee | 2008-08-07 10:54:57 +0530 | [diff] [blame] | 1632 | |
Jouni Malinen | 8089cc4 | 2009-03-03 19:23:38 +0200 | [diff] [blame] | 1633 | skip_chan_change: |
Luis R. Rodriguez | c9f6a65 | 2010-01-19 14:04:19 -0500 | [diff] [blame] | 1634 | if (changed & IEEE80211_CONF_CHANGE_POWER) { |
Sujith | 17d7904 | 2009-02-09 13:27:03 +0530 | [diff] [blame] | 1635 | sc->config.txpowlimit = 2 * conf->power_level; |
Luis R. Rodriguez | c9f6a65 | 2010-01-19 14:04:19 -0500 | [diff] [blame] | 1636 | ath_update_txpow(sc); |
| 1637 | } |
Luis R. Rodriguez | f078f20 | 2008-08-04 00:16:41 -0700 | [diff] [blame] | 1638 | |
Luis R. Rodriguez | 194b7c1 | 2009-10-29 10:41:15 -0700 | [diff] [blame] | 1639 | spin_lock_bh(&sc->wiphy_lock); |
| 1640 | disable_radio = ath9k_all_wiphys_idle(sc); |
| 1641 | spin_unlock_bh(&sc->wiphy_lock); |
| 1642 | |
Luis R. Rodriguez | 6483917 | 2009-07-14 20:22:53 -0400 | [diff] [blame] | 1643 | if (disable_radio) { |
Luis R. Rodriguez | c46917b | 2009-09-13 02:42:02 -0700 | [diff] [blame] | 1644 | ath_print(common, ATH_DBG_CONFIG, "idle: disabling radio\n"); |
Vivek Natarajan | 1dbfd9d | 2010-01-29 16:56:51 +0530 | [diff] [blame] | 1645 | sc->ps_idle = true; |
Luis R. Rodriguez | 68a8911 | 2009-11-02 14:35:42 -0800 | [diff] [blame] | 1646 | ath_radio_disable(sc, hw); |
Luis R. Rodriguez | 6483917 | 2009-07-14 20:22:53 -0400 | [diff] [blame] | 1647 | } |
| 1648 | |
Sujith | aa33de0 | 2008-12-18 11:40:16 +0530 | [diff] [blame] | 1649 | mutex_unlock(&sc->mutex); |
Sujith | 141b38b | 2009-02-04 08:10:07 +0530 | [diff] [blame] | 1650 | |
Luis R. Rodriguez | f078f20 | 2008-08-04 00:16:41 -0700 | [diff] [blame] | 1651 | return 0; |
| 1652 | } |
| 1653 | |
Luis R. Rodriguez | f078f20 | 2008-08-04 00:16:41 -0700 | [diff] [blame] | 1654 | #define SUPPORTED_FILTERS \ |
| 1655 | (FIF_PROMISC_IN_BSS | \ |
| 1656 | FIF_ALLMULTI | \ |
| 1657 | FIF_CONTROL | \ |
Luis R. Rodriguez | af6a3fc | 2009-08-08 21:55:16 -0400 | [diff] [blame] | 1658 | FIF_PSPOLL | \ |
Luis R. Rodriguez | f078f20 | 2008-08-04 00:16:41 -0700 | [diff] [blame] | 1659 | FIF_OTHER_BSS | \ |
| 1660 | FIF_BCN_PRBRESP_PROMISC | \ |
| 1661 | FIF_FCSFAIL) |
| 1662 | |
Sujith | 7dcfdcd | 2008-08-11 14:03:13 +0530 | [diff] [blame] | 1663 | /* FIXME: sc->sc_full_reset ? */ |
Luis R. Rodriguez | f078f20 | 2008-08-04 00:16:41 -0700 | [diff] [blame] | 1664 | static void ath9k_configure_filter(struct ieee80211_hw *hw, |
| 1665 | unsigned int changed_flags, |
| 1666 | unsigned int *total_flags, |
Johannes Berg | 3ac64be | 2009-08-17 16:16:53 +0200 | [diff] [blame] | 1667 | u64 multicast) |
Luis R. Rodriguez | f078f20 | 2008-08-04 00:16:41 -0700 | [diff] [blame] | 1668 | { |
Jouni Malinen | bce048d | 2009-03-03 19:23:28 +0200 | [diff] [blame] | 1669 | struct ath_wiphy *aphy = hw->priv; |
| 1670 | struct ath_softc *sc = aphy->sc; |
Sujith | 7dcfdcd | 2008-08-11 14:03:13 +0530 | [diff] [blame] | 1671 | u32 rfilt; |
Luis R. Rodriguez | f078f20 | 2008-08-04 00:16:41 -0700 | [diff] [blame] | 1672 | |
| 1673 | changed_flags &= SUPPORTED_FILTERS; |
| 1674 | *total_flags &= SUPPORTED_FILTERS; |
| 1675 | |
Sujith | b77f483 | 2008-12-07 21:44:03 +0530 | [diff] [blame] | 1676 | sc->rx.rxfilter = *total_flags; |
Jouni Malinen | aa68aea | 2009-05-19 17:01:41 +0300 | [diff] [blame] | 1677 | ath9k_ps_wakeup(sc); |
Sujith | 7dcfdcd | 2008-08-11 14:03:13 +0530 | [diff] [blame] | 1678 | rfilt = ath_calcrxfilter(sc); |
| 1679 | ath9k_hw_setrxfilter(sc->sc_ah, rfilt); |
Jouni Malinen | aa68aea | 2009-05-19 17:01:41 +0300 | [diff] [blame] | 1680 | ath9k_ps_restore(sc); |
Sujith | 7dcfdcd | 2008-08-11 14:03:13 +0530 | [diff] [blame] | 1681 | |
Luis R. Rodriguez | c46917b | 2009-09-13 02:42:02 -0700 | [diff] [blame] | 1682 | ath_print(ath9k_hw_common(sc->sc_ah), ATH_DBG_CONFIG, |
| 1683 | "Set HW RX filter: 0x%x\n", rfilt); |
Luis R. Rodriguez | f078f20 | 2008-08-04 00:16:41 -0700 | [diff] [blame] | 1684 | } |
| 1685 | |
| 1686 | static void ath9k_sta_notify(struct ieee80211_hw *hw, |
| 1687 | struct ieee80211_vif *vif, |
| 1688 | enum sta_notify_cmd cmd, |
Johannes Berg | 17741cd | 2008-09-11 00:02:02 +0200 | [diff] [blame] | 1689 | struct ieee80211_sta *sta) |
Luis R. Rodriguez | f078f20 | 2008-08-04 00:16:41 -0700 | [diff] [blame] | 1690 | { |
Jouni Malinen | bce048d | 2009-03-03 19:23:28 +0200 | [diff] [blame] | 1691 | struct ath_wiphy *aphy = hw->priv; |
| 1692 | struct ath_softc *sc = aphy->sc; |
Luis R. Rodriguez | f078f20 | 2008-08-04 00:16:41 -0700 | [diff] [blame] | 1693 | |
| 1694 | switch (cmd) { |
| 1695 | case STA_NOTIFY_ADD: |
Sujith | 5640b08 | 2008-10-29 10:16:06 +0530 | [diff] [blame] | 1696 | ath_node_attach(sc, sta); |
Luis R. Rodriguez | f078f20 | 2008-08-04 00:16:41 -0700 | [diff] [blame] | 1697 | break; |
| 1698 | case STA_NOTIFY_REMOVE: |
Sujith | b5aa9bf | 2008-10-29 10:13:31 +0530 | [diff] [blame] | 1699 | ath_node_detach(sc, sta); |
Luis R. Rodriguez | f078f20 | 2008-08-04 00:16:41 -0700 | [diff] [blame] | 1700 | break; |
| 1701 | default: |
| 1702 | break; |
| 1703 | } |
| 1704 | } |
| 1705 | |
Sujith | 141b38b | 2009-02-04 08:10:07 +0530 | [diff] [blame] | 1706 | static int ath9k_conf_tx(struct ieee80211_hw *hw, u16 queue, |
Luis R. Rodriguez | f078f20 | 2008-08-04 00:16:41 -0700 | [diff] [blame] | 1707 | const struct ieee80211_tx_queue_params *params) |
| 1708 | { |
Jouni Malinen | bce048d | 2009-03-03 19:23:28 +0200 | [diff] [blame] | 1709 | struct ath_wiphy *aphy = hw->priv; |
| 1710 | struct ath_softc *sc = aphy->sc; |
Luis R. Rodriguez | c46917b | 2009-09-13 02:42:02 -0700 | [diff] [blame] | 1711 | struct ath_common *common = ath9k_hw_common(sc->sc_ah); |
Sujith | ea9880f | 2008-08-07 10:53:10 +0530 | [diff] [blame] | 1712 | struct ath9k_tx_queue_info qi; |
Luis R. Rodriguez | f078f20 | 2008-08-04 00:16:41 -0700 | [diff] [blame] | 1713 | int ret = 0, qnum; |
| 1714 | |
| 1715 | if (queue >= WME_NUM_AC) |
| 1716 | return 0; |
| 1717 | |
Sujith | 141b38b | 2009-02-04 08:10:07 +0530 | [diff] [blame] | 1718 | mutex_lock(&sc->mutex); |
| 1719 | |
Sujith | 1ffb061 | 2009-03-30 15:28:46 +0530 | [diff] [blame] | 1720 | memset(&qi, 0, sizeof(struct ath9k_tx_queue_info)); |
| 1721 | |
Luis R. Rodriguez | f078f20 | 2008-08-04 00:16:41 -0700 | [diff] [blame] | 1722 | qi.tqi_aifs = params->aifs; |
| 1723 | qi.tqi_cwmin = params->cw_min; |
| 1724 | qi.tqi_cwmax = params->cw_max; |
| 1725 | qi.tqi_burstTime = params->txop; |
| 1726 | qnum = ath_get_hal_qnum(queue, sc); |
| 1727 | |
Luis R. Rodriguez | c46917b | 2009-09-13 02:42:02 -0700 | [diff] [blame] | 1728 | ath_print(common, ATH_DBG_CONFIG, |
| 1729 | "Configure tx [queue/halq] [%d/%d], " |
| 1730 | "aifs: %d, cw_min: %d, cw_max: %d, txop: %d\n", |
| 1731 | queue, qnum, params->aifs, params->cw_min, |
| 1732 | params->cw_max, params->txop); |
Luis R. Rodriguez | f078f20 | 2008-08-04 00:16:41 -0700 | [diff] [blame] | 1733 | |
| 1734 | ret = ath_txq_update(sc, qnum, &qi); |
| 1735 | if (ret) |
Luis R. Rodriguez | c46917b | 2009-09-13 02:42:02 -0700 | [diff] [blame] | 1736 | ath_print(common, ATH_DBG_FATAL, "TXQ Update failed\n"); |
Luis R. Rodriguez | f078f20 | 2008-08-04 00:16:41 -0700 | [diff] [blame] | 1737 | |
Vivek Natarajan | 94db293 | 2009-11-25 12:01:54 +0530 | [diff] [blame] | 1738 | if (sc->sc_ah->opmode == NL80211_IFTYPE_ADHOC) |
| 1739 | if ((qnum == sc->tx.hwq_map[ATH9K_WME_AC_BE]) && !ret) |
| 1740 | ath_beaconq_config(sc); |
| 1741 | |
Sujith | 141b38b | 2009-02-04 08:10:07 +0530 | [diff] [blame] | 1742 | mutex_unlock(&sc->mutex); |
| 1743 | |
Luis R. Rodriguez | f078f20 | 2008-08-04 00:16:41 -0700 | [diff] [blame] | 1744 | return ret; |
| 1745 | } |
| 1746 | |
| 1747 | static int ath9k_set_key(struct ieee80211_hw *hw, |
| 1748 | enum set_key_cmd cmd, |
Johannes Berg | dc822b5 | 2008-12-29 12:55:09 +0100 | [diff] [blame] | 1749 | struct ieee80211_vif *vif, |
| 1750 | struct ieee80211_sta *sta, |
Luis R. Rodriguez | f078f20 | 2008-08-04 00:16:41 -0700 | [diff] [blame] | 1751 | struct ieee80211_key_conf *key) |
| 1752 | { |
Jouni Malinen | bce048d | 2009-03-03 19:23:28 +0200 | [diff] [blame] | 1753 | struct ath_wiphy *aphy = hw->priv; |
| 1754 | struct ath_softc *sc = aphy->sc; |
Luis R. Rodriguez | c46917b | 2009-09-13 02:42:02 -0700 | [diff] [blame] | 1755 | struct ath_common *common = ath9k_hw_common(sc->sc_ah); |
Luis R. Rodriguez | f078f20 | 2008-08-04 00:16:41 -0700 | [diff] [blame] | 1756 | int ret = 0; |
| 1757 | |
Jouni Malinen | b3bd89c | 2009-02-24 13:42:01 +0200 | [diff] [blame] | 1758 | if (modparam_nohwcrypt) |
| 1759 | return -ENOSPC; |
| 1760 | |
Sujith | 141b38b | 2009-02-04 08:10:07 +0530 | [diff] [blame] | 1761 | mutex_lock(&sc->mutex); |
Vivek Natarajan | 3cbb5dd | 2009-01-20 11:17:08 +0530 | [diff] [blame] | 1762 | ath9k_ps_wakeup(sc); |
Luis R. Rodriguez | c46917b | 2009-09-13 02:42:02 -0700 | [diff] [blame] | 1763 | ath_print(common, ATH_DBG_CONFIG, "Set HW Key\n"); |
Luis R. Rodriguez | f078f20 | 2008-08-04 00:16:41 -0700 | [diff] [blame] | 1764 | |
| 1765 | switch (cmd) { |
| 1766 | case SET_KEY: |
Luis R. Rodriguez | 7e86c10 | 2009-11-04 17:21:01 -0800 | [diff] [blame] | 1767 | ret = ath_key_config(common, vif, sta, key); |
Jouni Malinen | 6ace289 | 2008-12-17 13:32:17 +0200 | [diff] [blame] | 1768 | if (ret >= 0) { |
| 1769 | key->hw_key_idx = ret; |
Luis R. Rodriguez | f078f20 | 2008-08-04 00:16:41 -0700 | [diff] [blame] | 1770 | /* push IV and Michael MIC generation to stack */ |
| 1771 | key->flags |= IEEE80211_KEY_FLAG_GENERATE_IV; |
Senthil Balasubramanian | 1b96175 | 2008-09-01 19:45:21 +0530 | [diff] [blame] | 1772 | if (key->alg == ALG_TKIP) |
| 1773 | key->flags |= IEEE80211_KEY_FLAG_GENERATE_MMIC; |
Jouni Malinen | 0ced0e1 | 2009-01-08 13:32:13 +0200 | [diff] [blame] | 1774 | if (sc->sc_ah->sw_mgmt_crypto && key->alg == ALG_CCMP) |
| 1775 | key->flags |= IEEE80211_KEY_FLAG_SW_MGMT; |
Jouni Malinen | 6ace289 | 2008-12-17 13:32:17 +0200 | [diff] [blame] | 1776 | ret = 0; |
Luis R. Rodriguez | f078f20 | 2008-08-04 00:16:41 -0700 | [diff] [blame] | 1777 | } |
| 1778 | break; |
| 1779 | case DISABLE_KEY: |
Luis R. Rodriguez | 7e86c10 | 2009-11-04 17:21:01 -0800 | [diff] [blame] | 1780 | ath_key_delete(common, key); |
Luis R. Rodriguez | f078f20 | 2008-08-04 00:16:41 -0700 | [diff] [blame] | 1781 | break; |
| 1782 | default: |
| 1783 | ret = -EINVAL; |
| 1784 | } |
| 1785 | |
Vivek Natarajan | 3cbb5dd | 2009-01-20 11:17:08 +0530 | [diff] [blame] | 1786 | ath9k_ps_restore(sc); |
Sujith | 141b38b | 2009-02-04 08:10:07 +0530 | [diff] [blame] | 1787 | mutex_unlock(&sc->mutex); |
| 1788 | |
Luis R. Rodriguez | f078f20 | 2008-08-04 00:16:41 -0700 | [diff] [blame] | 1789 | return ret; |
| 1790 | } |
| 1791 | |
Luis R. Rodriguez | f078f20 | 2008-08-04 00:16:41 -0700 | [diff] [blame] | 1792 | static void ath9k_bss_info_changed(struct ieee80211_hw *hw, |
| 1793 | struct ieee80211_vif *vif, |
| 1794 | struct ieee80211_bss_conf *bss_conf, |
| 1795 | u32 changed) |
| 1796 | { |
Jouni Malinen | bce048d | 2009-03-03 19:23:28 +0200 | [diff] [blame] | 1797 | struct ath_wiphy *aphy = hw->priv; |
| 1798 | struct ath_softc *sc = aphy->sc; |
Johannes Berg | 2d0ddec | 2009-04-23 16:13:26 +0200 | [diff] [blame] | 1799 | struct ath_hw *ah = sc->sc_ah; |
Luis R. Rodriguez | 1510718 | 2009-09-10 09:22:37 -0700 | [diff] [blame] | 1800 | struct ath_common *common = ath9k_hw_common(ah); |
Johannes Berg | 2d0ddec | 2009-04-23 16:13:26 +0200 | [diff] [blame] | 1801 | struct ath_vif *avp = (void *)vif->drv_priv; |
Felix Fietkau | 0005baf | 2010-01-15 02:33:40 +0100 | [diff] [blame] | 1802 | int slottime; |
Sujith | c6089cc | 2009-11-16 11:40:48 +0530 | [diff] [blame] | 1803 | int error; |
Luis R. Rodriguez | f078f20 | 2008-08-04 00:16:41 -0700 | [diff] [blame] | 1804 | |
Sujith | 141b38b | 2009-02-04 08:10:07 +0530 | [diff] [blame] | 1805 | mutex_lock(&sc->mutex); |
| 1806 | |
Sujith | c6089cc | 2009-11-16 11:40:48 +0530 | [diff] [blame] | 1807 | if (changed & BSS_CHANGED_BSSID) { |
| 1808 | /* Set BSSID */ |
| 1809 | memcpy(common->curbssid, bss_conf->bssid, ETH_ALEN); |
| 1810 | memcpy(avp->bssid, bss_conf->bssid, ETH_ALEN); |
Luis R. Rodriguez | 1510718 | 2009-09-10 09:22:37 -0700 | [diff] [blame] | 1811 | common->curaid = 0; |
Luis R. Rodriguez | f2b2143 | 2009-09-10 08:50:20 -0700 | [diff] [blame] | 1812 | ath9k_hw_write_associd(ah); |
Sujith | c6089cc | 2009-11-16 11:40:48 +0530 | [diff] [blame] | 1813 | |
| 1814 | /* Set aggregation protection mode parameters */ |
| 1815 | sc->config.ath_aggr_prot = 0; |
| 1816 | |
| 1817 | /* Only legacy IBSS for now */ |
| 1818 | if (vif->type == NL80211_IFTYPE_ADHOC) |
| 1819 | ath_update_chainmask(sc, 0); |
| 1820 | |
| 1821 | ath_print(common, ATH_DBG_CONFIG, |
| 1822 | "BSSID: %pM aid: 0x%x\n", |
| 1823 | common->curbssid, common->curaid); |
| 1824 | |
| 1825 | /* need to reconfigure the beacon */ |
| 1826 | sc->sc_flags &= ~SC_OP_BEACONS ; |
Johannes Berg | 2d0ddec | 2009-04-23 16:13:26 +0200 | [diff] [blame] | 1827 | } |
| 1828 | |
Sujith | c6089cc | 2009-11-16 11:40:48 +0530 | [diff] [blame] | 1829 | /* Enable transmission of beacons (AP, IBSS, MESH) */ |
| 1830 | if ((changed & BSS_CHANGED_BEACON) || |
| 1831 | ((changed & BSS_CHANGED_BEACON_ENABLED) && bss_conf->enable_beacon)) { |
| 1832 | ath9k_hw_stoptxdma(sc->sc_ah, sc->beacon.beaconq); |
| 1833 | error = ath_beacon_alloc(aphy, vif); |
| 1834 | if (!error) |
| 1835 | ath_beacon_config(sc, vif); |
Johannes Berg | 2d0ddec | 2009-04-23 16:13:26 +0200 | [diff] [blame] | 1836 | } |
| 1837 | |
Felix Fietkau | 0005baf | 2010-01-15 02:33:40 +0100 | [diff] [blame] | 1838 | if (changed & BSS_CHANGED_ERP_SLOT) { |
| 1839 | if (bss_conf->use_short_slot) |
| 1840 | slottime = 9; |
| 1841 | else |
| 1842 | slottime = 20; |
| 1843 | if (vif->type == NL80211_IFTYPE_AP) { |
| 1844 | /* |
| 1845 | * Defer update, so that connected stations can adjust |
| 1846 | * their settings at the same time. |
| 1847 | * See beacon.c for more details |
| 1848 | */ |
| 1849 | sc->beacon.slottime = slottime; |
| 1850 | sc->beacon.updateslot = UPDATE; |
| 1851 | } else { |
| 1852 | ah->slottime = slottime; |
| 1853 | ath9k_hw_init_global_settings(ah); |
| 1854 | } |
| 1855 | } |
| 1856 | |
Sujith | c6089cc | 2009-11-16 11:40:48 +0530 | [diff] [blame] | 1857 | /* Disable transmission of beacons */ |
| 1858 | if ((changed & BSS_CHANGED_BEACON_ENABLED) && !bss_conf->enable_beacon) |
| 1859 | ath9k_hw_stoptxdma(sc->sc_ah, sc->beacon.beaconq); |
| 1860 | |
| 1861 | if (changed & BSS_CHANGED_BEACON_INT) { |
| 1862 | sc->beacon_interval = bss_conf->beacon_int; |
| 1863 | /* |
| 1864 | * In case of AP mode, the HW TSF has to be reset |
| 1865 | * when the beacon interval changes. |
| 1866 | */ |
| 1867 | if (vif->type == NL80211_IFTYPE_AP) { |
| 1868 | sc->sc_flags |= SC_OP_TSF_RESET; |
Johannes Berg | 2d0ddec | 2009-04-23 16:13:26 +0200 | [diff] [blame] | 1869 | ath9k_hw_stoptxdma(sc->sc_ah, sc->beacon.beaconq); |
Johannes Berg | 2d0ddec | 2009-04-23 16:13:26 +0200 | [diff] [blame] | 1870 | error = ath_beacon_alloc(aphy, vif); |
| 1871 | if (!error) |
| 1872 | ath_beacon_config(sc, vif); |
Sujith | c6089cc | 2009-11-16 11:40:48 +0530 | [diff] [blame] | 1873 | } else { |
| 1874 | ath_beacon_config(sc, vif); |
Johannes Berg | 2d0ddec | 2009-04-23 16:13:26 +0200 | [diff] [blame] | 1875 | } |
| 1876 | } |
| 1877 | |
Luis R. Rodriguez | f078f20 | 2008-08-04 00:16:41 -0700 | [diff] [blame] | 1878 | if (changed & BSS_CHANGED_ERP_PREAMBLE) { |
Luis R. Rodriguez | c46917b | 2009-09-13 02:42:02 -0700 | [diff] [blame] | 1879 | ath_print(common, ATH_DBG_CONFIG, "BSS Changed PREAMBLE %d\n", |
| 1880 | bss_conf->use_short_preamble); |
Luis R. Rodriguez | f078f20 | 2008-08-04 00:16:41 -0700 | [diff] [blame] | 1881 | if (bss_conf->use_short_preamble) |
Sujith | 672840a | 2008-08-11 14:05:08 +0530 | [diff] [blame] | 1882 | sc->sc_flags |= SC_OP_PREAMBLE_SHORT; |
Luis R. Rodriguez | f078f20 | 2008-08-04 00:16:41 -0700 | [diff] [blame] | 1883 | else |
Sujith | 672840a | 2008-08-11 14:05:08 +0530 | [diff] [blame] | 1884 | sc->sc_flags &= ~SC_OP_PREAMBLE_SHORT; |
Luis R. Rodriguez | f078f20 | 2008-08-04 00:16:41 -0700 | [diff] [blame] | 1885 | } |
| 1886 | |
| 1887 | if (changed & BSS_CHANGED_ERP_CTS_PROT) { |
Luis R. Rodriguez | c46917b | 2009-09-13 02:42:02 -0700 | [diff] [blame] | 1888 | ath_print(common, ATH_DBG_CONFIG, "BSS Changed CTS PROT %d\n", |
| 1889 | bss_conf->use_cts_prot); |
Luis R. Rodriguez | f078f20 | 2008-08-04 00:16:41 -0700 | [diff] [blame] | 1890 | if (bss_conf->use_cts_prot && |
| 1891 | hw->conf.channel->band != IEEE80211_BAND_5GHZ) |
Sujith | 672840a | 2008-08-11 14:05:08 +0530 | [diff] [blame] | 1892 | sc->sc_flags |= SC_OP_PROTECT_ENABLE; |
Luis R. Rodriguez | f078f20 | 2008-08-04 00:16:41 -0700 | [diff] [blame] | 1893 | else |
Sujith | 672840a | 2008-08-11 14:05:08 +0530 | [diff] [blame] | 1894 | sc->sc_flags &= ~SC_OP_PROTECT_ENABLE; |
Luis R. Rodriguez | f078f20 | 2008-08-04 00:16:41 -0700 | [diff] [blame] | 1895 | } |
| 1896 | |
Luis R. Rodriguez | f078f20 | 2008-08-04 00:16:41 -0700 | [diff] [blame] | 1897 | if (changed & BSS_CHANGED_ASSOC) { |
Luis R. Rodriguez | c46917b | 2009-09-13 02:42:02 -0700 | [diff] [blame] | 1898 | ath_print(common, ATH_DBG_CONFIG, "BSS Changed ASSOC %d\n", |
Luis R. Rodriguez | f078f20 | 2008-08-04 00:16:41 -0700 | [diff] [blame] | 1899 | bss_conf->assoc); |
Sujith | 5640b08 | 2008-10-29 10:16:06 +0530 | [diff] [blame] | 1900 | ath9k_bss_assoc_info(sc, vif, bss_conf); |
Luis R. Rodriguez | f078f20 | 2008-08-04 00:16:41 -0700 | [diff] [blame] | 1901 | } |
Sujith | 141b38b | 2009-02-04 08:10:07 +0530 | [diff] [blame] | 1902 | |
| 1903 | mutex_unlock(&sc->mutex); |
Luis R. Rodriguez | f078f20 | 2008-08-04 00:16:41 -0700 | [diff] [blame] | 1904 | } |
| 1905 | |
| 1906 | static u64 ath9k_get_tsf(struct ieee80211_hw *hw) |
| 1907 | { |
| 1908 | u64 tsf; |
Jouni Malinen | bce048d | 2009-03-03 19:23:28 +0200 | [diff] [blame] | 1909 | struct ath_wiphy *aphy = hw->priv; |
| 1910 | struct ath_softc *sc = aphy->sc; |
Luis R. Rodriguez | f078f20 | 2008-08-04 00:16:41 -0700 | [diff] [blame] | 1911 | |
Sujith | 141b38b | 2009-02-04 08:10:07 +0530 | [diff] [blame] | 1912 | mutex_lock(&sc->mutex); |
| 1913 | tsf = ath9k_hw_gettsf64(sc->sc_ah); |
| 1914 | mutex_unlock(&sc->mutex); |
Luis R. Rodriguez | f078f20 | 2008-08-04 00:16:41 -0700 | [diff] [blame] | 1915 | |
| 1916 | return tsf; |
| 1917 | } |
| 1918 | |
Alina Friedrichsen | 3b5d665 | 2009-01-24 07:09:59 +0100 | [diff] [blame] | 1919 | static void ath9k_set_tsf(struct ieee80211_hw *hw, u64 tsf) |
| 1920 | { |
Jouni Malinen | bce048d | 2009-03-03 19:23:28 +0200 | [diff] [blame] | 1921 | struct ath_wiphy *aphy = hw->priv; |
| 1922 | struct ath_softc *sc = aphy->sc; |
Alina Friedrichsen | 3b5d665 | 2009-01-24 07:09:59 +0100 | [diff] [blame] | 1923 | |
Sujith | 141b38b | 2009-02-04 08:10:07 +0530 | [diff] [blame] | 1924 | mutex_lock(&sc->mutex); |
| 1925 | ath9k_hw_settsf64(sc->sc_ah, tsf); |
| 1926 | mutex_unlock(&sc->mutex); |
Alina Friedrichsen | 3b5d665 | 2009-01-24 07:09:59 +0100 | [diff] [blame] | 1927 | } |
| 1928 | |
Luis R. Rodriguez | f078f20 | 2008-08-04 00:16:41 -0700 | [diff] [blame] | 1929 | static void ath9k_reset_tsf(struct ieee80211_hw *hw) |
| 1930 | { |
Jouni Malinen | bce048d | 2009-03-03 19:23:28 +0200 | [diff] [blame] | 1931 | struct ath_wiphy *aphy = hw->priv; |
| 1932 | struct ath_softc *sc = aphy->sc; |
Luis R. Rodriguez | f078f20 | 2008-08-04 00:16:41 -0700 | [diff] [blame] | 1933 | |
Sujith | 141b38b | 2009-02-04 08:10:07 +0530 | [diff] [blame] | 1934 | mutex_lock(&sc->mutex); |
Luis R. Rodriguez | 21526d5 | 2009-09-09 20:05:39 -0700 | [diff] [blame] | 1935 | |
| 1936 | ath9k_ps_wakeup(sc); |
Sujith | 141b38b | 2009-02-04 08:10:07 +0530 | [diff] [blame] | 1937 | ath9k_hw_reset_tsf(sc->sc_ah); |
Luis R. Rodriguez | 21526d5 | 2009-09-09 20:05:39 -0700 | [diff] [blame] | 1938 | ath9k_ps_restore(sc); |
| 1939 | |
Sujith | 141b38b | 2009-02-04 08:10:07 +0530 | [diff] [blame] | 1940 | mutex_unlock(&sc->mutex); |
Luis R. Rodriguez | f078f20 | 2008-08-04 00:16:41 -0700 | [diff] [blame] | 1941 | } |
| 1942 | |
| 1943 | static int ath9k_ampdu_action(struct ieee80211_hw *hw, |
Johannes Berg | c951ad3 | 2009-11-16 12:00:38 +0100 | [diff] [blame] | 1944 | struct ieee80211_vif *vif, |
Sujith | 141b38b | 2009-02-04 08:10:07 +0530 | [diff] [blame] | 1945 | enum ieee80211_ampdu_mlme_action action, |
| 1946 | struct ieee80211_sta *sta, |
| 1947 | u16 tid, u16 *ssn) |
Luis R. Rodriguez | f078f20 | 2008-08-04 00:16:41 -0700 | [diff] [blame] | 1948 | { |
Jouni Malinen | bce048d | 2009-03-03 19:23:28 +0200 | [diff] [blame] | 1949 | struct ath_wiphy *aphy = hw->priv; |
| 1950 | struct ath_softc *sc = aphy->sc; |
Luis R. Rodriguez | f078f20 | 2008-08-04 00:16:41 -0700 | [diff] [blame] | 1951 | int ret = 0; |
| 1952 | |
| 1953 | switch (action) { |
| 1954 | case IEEE80211_AMPDU_RX_START: |
Sujith | dca3edb | 2008-10-29 10:19:01 +0530 | [diff] [blame] | 1955 | if (!(sc->sc_flags & SC_OP_RXAGGR)) |
| 1956 | ret = -ENOTSUPP; |
Luis R. Rodriguez | f078f20 | 2008-08-04 00:16:41 -0700 | [diff] [blame] | 1957 | break; |
| 1958 | case IEEE80211_AMPDU_RX_STOP: |
Luis R. Rodriguez | f078f20 | 2008-08-04 00:16:41 -0700 | [diff] [blame] | 1959 | break; |
| 1960 | case IEEE80211_AMPDU_TX_START: |
Luis R. Rodriguez | 8b685ba | 2009-12-23 20:03:29 -0500 | [diff] [blame] | 1961 | ath9k_ps_wakeup(sc); |
Sujith | f83da96 | 2009-07-23 15:32:37 +0530 | [diff] [blame] | 1962 | ath_tx_aggr_start(sc, sta, tid, ssn); |
Johannes Berg | c951ad3 | 2009-11-16 12:00:38 +0100 | [diff] [blame] | 1963 | ieee80211_start_tx_ba_cb_irqsafe(vif, sta->addr, tid); |
Luis R. Rodriguez | 8b685ba | 2009-12-23 20:03:29 -0500 | [diff] [blame] | 1964 | ath9k_ps_restore(sc); |
Luis R. Rodriguez | f078f20 | 2008-08-04 00:16:41 -0700 | [diff] [blame] | 1965 | break; |
| 1966 | case IEEE80211_AMPDU_TX_STOP: |
Luis R. Rodriguez | 8b685ba | 2009-12-23 20:03:29 -0500 | [diff] [blame] | 1967 | ath9k_ps_wakeup(sc); |
Sujith | f83da96 | 2009-07-23 15:32:37 +0530 | [diff] [blame] | 1968 | ath_tx_aggr_stop(sc, sta, tid); |
Johannes Berg | c951ad3 | 2009-11-16 12:00:38 +0100 | [diff] [blame] | 1969 | ieee80211_stop_tx_ba_cb_irqsafe(vif, sta->addr, tid); |
Luis R. Rodriguez | 8b685ba | 2009-12-23 20:03:29 -0500 | [diff] [blame] | 1970 | ath9k_ps_restore(sc); |
Luis R. Rodriguez | f078f20 | 2008-08-04 00:16:41 -0700 | [diff] [blame] | 1971 | break; |
Johannes Berg | b172023 | 2009-03-23 17:28:39 +0100 | [diff] [blame] | 1972 | case IEEE80211_AMPDU_TX_OPERATIONAL: |
Luis R. Rodriguez | 8b685ba | 2009-12-23 20:03:29 -0500 | [diff] [blame] | 1973 | ath9k_ps_wakeup(sc); |
Sujith | 8469cde | 2008-10-29 10:19:28 +0530 | [diff] [blame] | 1974 | ath_tx_aggr_resume(sc, sta, tid); |
Luis R. Rodriguez | 8b685ba | 2009-12-23 20:03:29 -0500 | [diff] [blame] | 1975 | ath9k_ps_restore(sc); |
Sujith | 8469cde | 2008-10-29 10:19:28 +0530 | [diff] [blame] | 1976 | break; |
Luis R. Rodriguez | f078f20 | 2008-08-04 00:16:41 -0700 | [diff] [blame] | 1977 | default: |
Luis R. Rodriguez | c46917b | 2009-09-13 02:42:02 -0700 | [diff] [blame] | 1978 | ath_print(ath9k_hw_common(sc->sc_ah), ATH_DBG_FATAL, |
| 1979 | "Unknown AMPDU action\n"); |
Luis R. Rodriguez | f078f20 | 2008-08-04 00:16:41 -0700 | [diff] [blame] | 1980 | } |
| 1981 | |
| 1982 | return ret; |
| 1983 | } |
| 1984 | |
Sujith | 0c98de6 | 2009-03-03 10:16:45 +0530 | [diff] [blame] | 1985 | static void ath9k_sw_scan_start(struct ieee80211_hw *hw) |
| 1986 | { |
Jouni Malinen | bce048d | 2009-03-03 19:23:28 +0200 | [diff] [blame] | 1987 | struct ath_wiphy *aphy = hw->priv; |
| 1988 | struct ath_softc *sc = aphy->sc; |
Sujith | 05c78d6 | 2009-12-14 14:57:04 +0530 | [diff] [blame] | 1989 | struct ath_common *common = ath9k_hw_common(sc->sc_ah); |
Sujith | 0c98de6 | 2009-03-03 10:16:45 +0530 | [diff] [blame] | 1990 | |
Sujith | 3d83261 | 2009-08-21 12:00:28 +0530 | [diff] [blame] | 1991 | mutex_lock(&sc->mutex); |
Jouni Malinen | 8089cc4 | 2009-03-03 19:23:38 +0200 | [diff] [blame] | 1992 | if (ath9k_wiphy_scanning(sc)) { |
| 1993 | printk(KERN_DEBUG "ath9k: Two wiphys trying to scan at the " |
| 1994 | "same time\n"); |
| 1995 | /* |
| 1996 | * Do not allow the concurrent scanning state for now. This |
| 1997 | * could be improved with scanning control moved into ath9k. |
| 1998 | */ |
Sujith | 3d83261 | 2009-08-21 12:00:28 +0530 | [diff] [blame] | 1999 | mutex_unlock(&sc->mutex); |
Jouni Malinen | 8089cc4 | 2009-03-03 19:23:38 +0200 | [diff] [blame] | 2000 | return; |
| 2001 | } |
| 2002 | |
| 2003 | aphy->state = ATH_WIPHY_SCAN; |
| 2004 | ath9k_wiphy_pause_all_forced(sc, aphy); |
Sujith | 0c98de6 | 2009-03-03 10:16:45 +0530 | [diff] [blame] | 2005 | sc->sc_flags |= SC_OP_SCANNING; |
Sujith | 05c78d6 | 2009-12-14 14:57:04 +0530 | [diff] [blame] | 2006 | del_timer_sync(&common->ani.timer); |
Sujith | b6ce5c3 | 2009-12-14 14:57:06 +0530 | [diff] [blame] | 2007 | cancel_delayed_work_sync(&sc->tx_complete_work); |
Sujith | 3d83261 | 2009-08-21 12:00:28 +0530 | [diff] [blame] | 2008 | mutex_unlock(&sc->mutex); |
Sujith | 0c98de6 | 2009-03-03 10:16:45 +0530 | [diff] [blame] | 2009 | } |
| 2010 | |
| 2011 | static void ath9k_sw_scan_complete(struct ieee80211_hw *hw) |
| 2012 | { |
Jouni Malinen | bce048d | 2009-03-03 19:23:28 +0200 | [diff] [blame] | 2013 | struct ath_wiphy *aphy = hw->priv; |
| 2014 | struct ath_softc *sc = aphy->sc; |
Sujith | 05c78d6 | 2009-12-14 14:57:04 +0530 | [diff] [blame] | 2015 | struct ath_common *common = ath9k_hw_common(sc->sc_ah); |
Sujith | 0c98de6 | 2009-03-03 10:16:45 +0530 | [diff] [blame] | 2016 | |
Sujith | 3d83261 | 2009-08-21 12:00:28 +0530 | [diff] [blame] | 2017 | mutex_lock(&sc->mutex); |
Jouni Malinen | 8089cc4 | 2009-03-03 19:23:38 +0200 | [diff] [blame] | 2018 | aphy->state = ATH_WIPHY_ACTIVE; |
Sujith | 0c98de6 | 2009-03-03 10:16:45 +0530 | [diff] [blame] | 2019 | sc->sc_flags &= ~SC_OP_SCANNING; |
Sujith | 9c07a77 | 2009-04-13 21:56:36 +0530 | [diff] [blame] | 2020 | sc->sc_flags |= SC_OP_FULL_RESET; |
Sujith | 05c78d6 | 2009-12-14 14:57:04 +0530 | [diff] [blame] | 2021 | ath_start_ani(common); |
Sujith | b6ce5c3 | 2009-12-14 14:57:06 +0530 | [diff] [blame] | 2022 | ieee80211_queue_delayed_work(sc->hw, &sc->tx_complete_work, 0); |
Vivek Natarajan | d0bec34 | 2009-09-02 15:50:55 +0530 | [diff] [blame] | 2023 | ath_beacon_config(sc, NULL); |
Sujith | 3d83261 | 2009-08-21 12:00:28 +0530 | [diff] [blame] | 2024 | mutex_unlock(&sc->mutex); |
Sujith | 0c98de6 | 2009-03-03 10:16:45 +0530 | [diff] [blame] | 2025 | } |
| 2026 | |
Felix Fietkau | e239d85 | 2010-01-15 02:34:58 +0100 | [diff] [blame] | 2027 | static void ath9k_set_coverage_class(struct ieee80211_hw *hw, u8 coverage_class) |
| 2028 | { |
| 2029 | struct ath_wiphy *aphy = hw->priv; |
| 2030 | struct ath_softc *sc = aphy->sc; |
| 2031 | struct ath_hw *ah = sc->sc_ah; |
| 2032 | |
| 2033 | mutex_lock(&sc->mutex); |
| 2034 | ah->coverage_class = coverage_class; |
| 2035 | ath9k_hw_init_global_settings(ah); |
| 2036 | mutex_unlock(&sc->mutex); |
| 2037 | } |
| 2038 | |
Gabor Juhos | 6baff7f | 2009-01-14 20:17:06 +0100 | [diff] [blame] | 2039 | struct ieee80211_ops ath9k_ops = { |
Luis R. Rodriguez | f078f20 | 2008-08-04 00:16:41 -0700 | [diff] [blame] | 2040 | .tx = ath9k_tx, |
| 2041 | .start = ath9k_start, |
| 2042 | .stop = ath9k_stop, |
| 2043 | .add_interface = ath9k_add_interface, |
| 2044 | .remove_interface = ath9k_remove_interface, |
| 2045 | .config = ath9k_config, |
Luis R. Rodriguez | f078f20 | 2008-08-04 00:16:41 -0700 | [diff] [blame] | 2046 | .configure_filter = ath9k_configure_filter, |
Luis R. Rodriguez | f078f20 | 2008-08-04 00:16:41 -0700 | [diff] [blame] | 2047 | .sta_notify = ath9k_sta_notify, |
| 2048 | .conf_tx = ath9k_conf_tx, |
Luis R. Rodriguez | f078f20 | 2008-08-04 00:16:41 -0700 | [diff] [blame] | 2049 | .bss_info_changed = ath9k_bss_info_changed, |
Luis R. Rodriguez | f078f20 | 2008-08-04 00:16:41 -0700 | [diff] [blame] | 2050 | .set_key = ath9k_set_key, |
Luis R. Rodriguez | f078f20 | 2008-08-04 00:16:41 -0700 | [diff] [blame] | 2051 | .get_tsf = ath9k_get_tsf, |
Alina Friedrichsen | 3b5d665 | 2009-01-24 07:09:59 +0100 | [diff] [blame] | 2052 | .set_tsf = ath9k_set_tsf, |
Luis R. Rodriguez | f078f20 | 2008-08-04 00:16:41 -0700 | [diff] [blame] | 2053 | .reset_tsf = ath9k_reset_tsf, |
Johannes Berg | 4233df6 | 2008-10-13 13:35:05 +0200 | [diff] [blame] | 2054 | .ampdu_action = ath9k_ampdu_action, |
Sujith | 0c98de6 | 2009-03-03 10:16:45 +0530 | [diff] [blame] | 2055 | .sw_scan_start = ath9k_sw_scan_start, |
| 2056 | .sw_scan_complete = ath9k_sw_scan_complete, |
Johannes Berg | 3b319aa | 2009-06-13 14:50:26 +0530 | [diff] [blame] | 2057 | .rfkill_poll = ath9k_rfkill_poll_state, |
Felix Fietkau | e239d85 | 2010-01-15 02:34:58 +0100 | [diff] [blame] | 2058 | .set_coverage_class = ath9k_set_coverage_class, |
Luis R. Rodriguez | f078f20 | 2008-08-04 00:16:41 -0700 | [diff] [blame] | 2059 | }; |