Michael Wu | eff1a59 | 2007-09-25 18:11:01 -0700 | [diff] [blame] | 1 | /* |
| 2 | * Common code for mac80211 Prism54 drivers |
| 3 | * |
| 4 | * Copyright (c) 2006, Michael Wu <flamingice@sourmilk.net> |
| 5 | * Copyright (c) 2007, Christian Lamparter <chunkeey@web.de> |
Johannes Berg | c12abae | 2008-10-14 16:56:51 +0200 | [diff] [blame] | 6 | * Copyright 2008, Johannes Berg <johannes@sipsolutions.net> |
Michael Wu | eff1a59 | 2007-09-25 18:11:01 -0700 | [diff] [blame] | 7 | * |
John W. Linville | 27df605 | 2008-10-22 16:41:55 -0400 | [diff] [blame] | 8 | * Based on: |
| 9 | * - the islsm (softmac prism54) driver, which is: |
| 10 | * Copyright 2004-2006 Jean-Baptiste Note <jbnote@gmail.com>, et al. |
| 11 | * - stlc45xx driver |
Chr | 9483407 | 2008-10-29 22:39:50 +0100 | [diff] [blame] | 12 | * Copyright (C) 2008 Nokia Corporation and/or its subsidiary(-ies). |
Michael Wu | eff1a59 | 2007-09-25 18:11:01 -0700 | [diff] [blame] | 13 | * |
| 14 | * This program is free software; you can redistribute it and/or modify |
| 15 | * it under the terms of the GNU General Public License version 2 as |
| 16 | * published by the Free Software Foundation. |
| 17 | */ |
| 18 | |
| 19 | #include <linux/init.h> |
| 20 | #include <linux/firmware.h> |
| 21 | #include <linux/etherdevice.h> |
| 22 | |
| 23 | #include <net/mac80211.h> |
Christian Lamparter | d8cd7ef | 2009-03-23 15:37:45 +0100 | [diff] [blame] | 24 | #ifdef CONFIG_P54_LEDS |
Christian Lamparter | d0b45ae | 2009-03-06 01:02:04 +0100 | [diff] [blame] | 25 | #include <linux/leds.h> |
Christian Lamparter | d8cd7ef | 2009-03-23 15:37:45 +0100 | [diff] [blame] | 26 | #endif /* CONFIG_P54_LEDS */ |
Michael Wu | eff1a59 | 2007-09-25 18:11:01 -0700 | [diff] [blame] | 27 | |
| 28 | #include "p54.h" |
| 29 | #include "p54common.h" |
| 30 | |
Christian Lamparter | 25900ef | 2008-11-29 22:34:37 +0100 | [diff] [blame] | 31 | static int modparam_nohwcrypt; |
| 32 | module_param_named(nohwcrypt, modparam_nohwcrypt, bool, S_IRUGO); |
| 33 | MODULE_PARM_DESC(nohwcrypt, "Disable hardware encryption."); |
Michael Wu | eff1a59 | 2007-09-25 18:11:01 -0700 | [diff] [blame] | 34 | MODULE_AUTHOR("Michael Wu <flamingice@sourmilk.net>"); |
| 35 | MODULE_DESCRIPTION("Softmac Prism54 common code"); |
| 36 | MODULE_LICENSE("GPL"); |
| 37 | MODULE_ALIAS("prism54common"); |
| 38 | |
Christian Lamparter | 1b99753 | 2008-09-06 14:25:58 +0200 | [diff] [blame] | 39 | static struct ieee80211_rate p54_bgrates[] = { |
Johannes Berg | 8318d78 | 2008-01-24 19:38:38 +0100 | [diff] [blame] | 40 | { .bitrate = 10, .hw_value = 0, .flags = IEEE80211_RATE_SHORT_PREAMBLE }, |
| 41 | { .bitrate = 20, .hw_value = 1, .flags = IEEE80211_RATE_SHORT_PREAMBLE }, |
| 42 | { .bitrate = 55, .hw_value = 2, .flags = IEEE80211_RATE_SHORT_PREAMBLE }, |
| 43 | { .bitrate = 110, .hw_value = 3, .flags = IEEE80211_RATE_SHORT_PREAMBLE }, |
| 44 | { .bitrate = 60, .hw_value = 4, }, |
| 45 | { .bitrate = 90, .hw_value = 5, }, |
| 46 | { .bitrate = 120, .hw_value = 6, }, |
| 47 | { .bitrate = 180, .hw_value = 7, }, |
| 48 | { .bitrate = 240, .hw_value = 8, }, |
| 49 | { .bitrate = 360, .hw_value = 9, }, |
| 50 | { .bitrate = 480, .hw_value = 10, }, |
| 51 | { .bitrate = 540, .hw_value = 11, }, |
| 52 | }; |
| 53 | |
Christian Lamparter | 1b99753 | 2008-09-06 14:25:58 +0200 | [diff] [blame] | 54 | static struct ieee80211_channel p54_bgchannels[] = { |
Johannes Berg | 8318d78 | 2008-01-24 19:38:38 +0100 | [diff] [blame] | 55 | { .center_freq = 2412, .hw_value = 1, }, |
| 56 | { .center_freq = 2417, .hw_value = 2, }, |
| 57 | { .center_freq = 2422, .hw_value = 3, }, |
| 58 | { .center_freq = 2427, .hw_value = 4, }, |
| 59 | { .center_freq = 2432, .hw_value = 5, }, |
| 60 | { .center_freq = 2437, .hw_value = 6, }, |
| 61 | { .center_freq = 2442, .hw_value = 7, }, |
| 62 | { .center_freq = 2447, .hw_value = 8, }, |
| 63 | { .center_freq = 2452, .hw_value = 9, }, |
| 64 | { .center_freq = 2457, .hw_value = 10, }, |
| 65 | { .center_freq = 2462, .hw_value = 11, }, |
| 66 | { .center_freq = 2467, .hw_value = 12, }, |
| 67 | { .center_freq = 2472, .hw_value = 13, }, |
| 68 | { .center_freq = 2484, .hw_value = 14, }, |
| 69 | }; |
| 70 | |
Johannes Berg | c2976ab | 2008-02-20 12:08:12 +0100 | [diff] [blame] | 71 | static struct ieee80211_supported_band band_2GHz = { |
Christian Lamparter | 1b99753 | 2008-09-06 14:25:58 +0200 | [diff] [blame] | 72 | .channels = p54_bgchannels, |
| 73 | .n_channels = ARRAY_SIZE(p54_bgchannels), |
| 74 | .bitrates = p54_bgrates, |
| 75 | .n_bitrates = ARRAY_SIZE(p54_bgrates), |
| 76 | }; |
| 77 | |
| 78 | static struct ieee80211_rate p54_arates[] = { |
| 79 | { .bitrate = 60, .hw_value = 4, }, |
| 80 | { .bitrate = 90, .hw_value = 5, }, |
| 81 | { .bitrate = 120, .hw_value = 6, }, |
| 82 | { .bitrate = 180, .hw_value = 7, }, |
| 83 | { .bitrate = 240, .hw_value = 8, }, |
| 84 | { .bitrate = 360, .hw_value = 9, }, |
| 85 | { .bitrate = 480, .hw_value = 10, }, |
| 86 | { .bitrate = 540, .hw_value = 11, }, |
| 87 | }; |
| 88 | |
| 89 | static struct ieee80211_channel p54_achannels[] = { |
| 90 | { .center_freq = 4920 }, |
| 91 | { .center_freq = 4940 }, |
| 92 | { .center_freq = 4960 }, |
| 93 | { .center_freq = 4980 }, |
| 94 | { .center_freq = 5040 }, |
| 95 | { .center_freq = 5060 }, |
| 96 | { .center_freq = 5080 }, |
| 97 | { .center_freq = 5170 }, |
| 98 | { .center_freq = 5180 }, |
| 99 | { .center_freq = 5190 }, |
| 100 | { .center_freq = 5200 }, |
| 101 | { .center_freq = 5210 }, |
| 102 | { .center_freq = 5220 }, |
| 103 | { .center_freq = 5230 }, |
| 104 | { .center_freq = 5240 }, |
| 105 | { .center_freq = 5260 }, |
| 106 | { .center_freq = 5280 }, |
| 107 | { .center_freq = 5300 }, |
| 108 | { .center_freq = 5320 }, |
| 109 | { .center_freq = 5500 }, |
| 110 | { .center_freq = 5520 }, |
| 111 | { .center_freq = 5540 }, |
| 112 | { .center_freq = 5560 }, |
| 113 | { .center_freq = 5580 }, |
| 114 | { .center_freq = 5600 }, |
| 115 | { .center_freq = 5620 }, |
| 116 | { .center_freq = 5640 }, |
| 117 | { .center_freq = 5660 }, |
| 118 | { .center_freq = 5680 }, |
| 119 | { .center_freq = 5700 }, |
| 120 | { .center_freq = 5745 }, |
| 121 | { .center_freq = 5765 }, |
| 122 | { .center_freq = 5785 }, |
| 123 | { .center_freq = 5805 }, |
| 124 | { .center_freq = 5825 }, |
| 125 | }; |
| 126 | |
| 127 | static struct ieee80211_supported_band band_5GHz = { |
| 128 | .channels = p54_achannels, |
| 129 | .n_channels = ARRAY_SIZE(p54_achannels), |
| 130 | .bitrates = p54_arates, |
| 131 | .n_bitrates = ARRAY_SIZE(p54_arates), |
Johannes Berg | 8318d78 | 2008-01-24 19:38:38 +0100 | [diff] [blame] | 132 | }; |
| 133 | |
Christian Lamparter | 4e416a6 | 2008-09-01 22:48:41 +0200 | [diff] [blame] | 134 | int p54_parse_firmware(struct ieee80211_hw *dev, const struct firmware *fw) |
Michael Wu | eff1a59 | 2007-09-25 18:11:01 -0700 | [diff] [blame] | 135 | { |
| 136 | struct p54_common *priv = dev->priv; |
| 137 | struct bootrec_exp_if *exp_if; |
| 138 | struct bootrec *bootrec; |
| 139 | u32 *data = (u32 *)fw->data; |
| 140 | u32 *end_data = (u32 *)fw->data + (fw->size >> 2); |
| 141 | u8 *fw_version = NULL; |
| 142 | size_t len; |
| 143 | int i; |
Larry Finger | 51fb80f | 2009-01-03 12:45:12 -0600 | [diff] [blame] | 144 | int maxlen; |
Michael Wu | eff1a59 | 2007-09-25 18:11:01 -0700 | [diff] [blame] | 145 | |
| 146 | if (priv->rx_start) |
Christian Lamparter | 4e416a6 | 2008-09-01 22:48:41 +0200 | [diff] [blame] | 147 | return 0; |
Michael Wu | eff1a59 | 2007-09-25 18:11:01 -0700 | [diff] [blame] | 148 | |
| 149 | while (data < end_data && *data) |
| 150 | data++; |
| 151 | |
| 152 | while (data < end_data && !*data) |
| 153 | data++; |
| 154 | |
| 155 | bootrec = (struct bootrec *) data; |
| 156 | |
| 157 | while (bootrec->data <= end_data && |
| 158 | (bootrec->data + (len = le32_to_cpu(bootrec->len))) <= end_data) { |
| 159 | u32 code = le32_to_cpu(bootrec->code); |
| 160 | switch (code) { |
| 161 | case BR_CODE_COMPONENT_ID: |
Larry Finger | 1f1c0e3 | 2008-09-25 14:54:28 -0500 | [diff] [blame] | 162 | priv->fw_interface = be32_to_cpup((__be32 *) |
| 163 | bootrec->data); |
Christian Lamparter | 2b80848 | 2008-09-04 12:29:38 +0200 | [diff] [blame] | 164 | switch (priv->fw_interface) { |
Michael Wu | eff1a59 | 2007-09-25 18:11:01 -0700 | [diff] [blame] | 165 | case FW_LM86: |
Christian Lamparter | 02e37ba | 2008-11-29 22:39:08 +0100 | [diff] [blame] | 166 | case FW_LM20: |
| 167 | case FW_LM87: { |
| 168 | char *iftype = (char *)bootrec->data; |
| 169 | printk(KERN_INFO "%s: p54 detected a LM%c%c " |
| 170 | "firmware\n", |
| 171 | wiphy_name(dev->wiphy), |
| 172 | iftype[2], iftype[3]); |
Michael Wu | eff1a59 | 2007-09-25 18:11:01 -0700 | [diff] [blame] | 173 | break; |
Christian Lamparter | 02e37ba | 2008-11-29 22:39:08 +0100 | [diff] [blame] | 174 | } |
| 175 | case FW_FMAC: |
Michael Wu | eff1a59 | 2007-09-25 18:11:01 -0700 | [diff] [blame] | 176 | default: |
Christian Lamparter | 02e37ba | 2008-11-29 22:39:08 +0100 | [diff] [blame] | 177 | printk(KERN_ERR "%s: unsupported firmware\n", |
| 178 | wiphy_name(dev->wiphy)); |
| 179 | return -ENODEV; |
Michael Wu | eff1a59 | 2007-09-25 18:11:01 -0700 | [diff] [blame] | 180 | } |
| 181 | break; |
| 182 | case BR_CODE_COMPONENT_VERSION: |
| 183 | /* 24 bytes should be enough for all firmwares */ |
| 184 | if (strnlen((unsigned char*)bootrec->data, 24) < 24) |
| 185 | fw_version = (unsigned char*)bootrec->data; |
| 186 | break; |
Christian Lamparter | 4e416a6 | 2008-09-01 22:48:41 +0200 | [diff] [blame] | 187 | case BR_CODE_DESCR: { |
| 188 | struct bootrec_desc *desc = |
| 189 | (struct bootrec_desc *)bootrec->data; |
| 190 | priv->rx_start = le32_to_cpu(desc->rx_start); |
Michael Wu | eff1a59 | 2007-09-25 18:11:01 -0700 | [diff] [blame] | 191 | /* FIXME add sanity checking */ |
Christian Lamparter | 4e416a6 | 2008-09-01 22:48:41 +0200 | [diff] [blame] | 192 | priv->rx_end = le32_to_cpu(desc->rx_end) - 0x3500; |
| 193 | priv->headroom = desc->headroom; |
| 194 | priv->tailroom = desc->tailroom; |
Christian Lamparter | 25900ef | 2008-11-29 22:34:37 +0100 | [diff] [blame] | 195 | priv->privacy_caps = desc->privacy_caps; |
| 196 | priv->rx_keycache_size = desc->rx_keycache_size; |
Larry Finger | 1f1c0e3 | 2008-09-25 14:54:28 -0500 | [diff] [blame] | 197 | if (le32_to_cpu(bootrec->len) == 11) |
Larry Finger | 2e20cc3 | 2008-10-09 17:38:52 -0700 | [diff] [blame] | 198 | priv->rx_mtu = le16_to_cpu(desc->rx_mtu); |
Christian Lamparter | 4e416a6 | 2008-09-01 22:48:41 +0200 | [diff] [blame] | 199 | else |
| 200 | priv->rx_mtu = (size_t) |
| 201 | 0x620 - priv->tx_hdr_len; |
Larry Finger | 51fb80f | 2009-01-03 12:45:12 -0600 | [diff] [blame] | 202 | maxlen = priv->tx_hdr_len + /* USB devices */ |
| 203 | sizeof(struct p54_rx_data) + |
| 204 | 4 + /* rx alignment */ |
| 205 | IEEE80211_MAX_FRAG_THRESHOLD; |
| 206 | if (priv->rx_mtu > maxlen && PAGE_SIZE == 4096) { |
| 207 | printk(KERN_INFO "p54: rx_mtu reduced from %d " |
| 208 | "to %d\n", priv->rx_mtu, |
| 209 | maxlen); |
| 210 | priv->rx_mtu = maxlen; |
| 211 | } |
Michael Wu | eff1a59 | 2007-09-25 18:11:01 -0700 | [diff] [blame] | 212 | break; |
Christian Lamparter | 4e416a6 | 2008-09-01 22:48:41 +0200 | [diff] [blame] | 213 | } |
Michael Wu | eff1a59 | 2007-09-25 18:11:01 -0700 | [diff] [blame] | 214 | case BR_CODE_EXPOSED_IF: |
| 215 | exp_if = (struct bootrec_exp_if *) bootrec->data; |
| 216 | for (i = 0; i < (len * sizeof(*exp_if) / 4); i++) |
Al Viro | dc73c62 | 2007-12-21 23:49:02 -0500 | [diff] [blame] | 217 | if (exp_if[i].if_id == cpu_to_le16(0x1a)) |
Michael Wu | eff1a59 | 2007-09-25 18:11:01 -0700 | [diff] [blame] | 218 | priv->fw_var = le16_to_cpu(exp_if[i].variant); |
| 219 | break; |
| 220 | case BR_CODE_DEPENDENT_IF: |
| 221 | break; |
| 222 | case BR_CODE_END_OF_BRA: |
| 223 | case LEGACY_BR_CODE_END_OF_BRA: |
| 224 | end_data = NULL; |
| 225 | break; |
| 226 | default: |
| 227 | break; |
| 228 | } |
| 229 | bootrec = (struct bootrec *)&bootrec->data[len]; |
| 230 | } |
| 231 | |
| 232 | if (fw_version) |
Christian Lamparter | 02e37ba | 2008-11-29 22:39:08 +0100 | [diff] [blame] | 233 | printk(KERN_INFO "%s: FW rev %s - Softmac protocol %x.%x\n", |
| 234 | wiphy_name(dev->wiphy), fw_version, |
| 235 | priv->fw_var >> 8, priv->fw_var & 0xff); |
Michael Wu | eff1a59 | 2007-09-25 18:11:01 -0700 | [diff] [blame] | 236 | |
Christian Lamparter | 9a8675d | 2008-10-18 23:04:15 +0200 | [diff] [blame] | 237 | if (priv->fw_var < 0x500) |
Christian Lamparter | 02e37ba | 2008-11-29 22:39:08 +0100 | [diff] [blame] | 238 | printk(KERN_INFO "%s: you are using an obsolete firmware. " |
Christian Lamparter | 9a8675d | 2008-10-18 23:04:15 +0200 | [diff] [blame] | 239 | "visit http://wireless.kernel.org/en/users/Drivers/p54 " |
Christian Lamparter | 02e37ba | 2008-11-29 22:39:08 +0100 | [diff] [blame] | 240 | "and grab one for \"kernel >= 2.6.28\"!\n", |
| 241 | wiphy_name(dev->wiphy)); |
Christian Lamparter | 9a8675d | 2008-10-18 23:04:15 +0200 | [diff] [blame] | 242 | |
Michael Wu | eff1a59 | 2007-09-25 18:11:01 -0700 | [diff] [blame] | 243 | if (priv->fw_var >= 0x300) { |
| 244 | /* Firmware supports QoS, use it! */ |
Christian Lamparter | a15bd00 | 2008-12-21 20:54:34 +0100 | [diff] [blame] | 245 | priv->tx_stats[P54_QUEUE_AC_VO].limit = 3; |
| 246 | priv->tx_stats[P54_QUEUE_AC_VI].limit = 4; |
| 247 | priv->tx_stats[P54_QUEUE_AC_BE].limit = 3; |
| 248 | priv->tx_stats[P54_QUEUE_AC_BK].limit = 2; |
| 249 | dev->queues = P54_QUEUE_AC_NUM; |
Michael Wu | eff1a59 | 2007-09-25 18:11:01 -0700 | [diff] [blame] | 250 | } |
Christian Lamparter | 4e416a6 | 2008-09-01 22:48:41 +0200 | [diff] [blame] | 251 | |
Christian Lamparter | 6dfe9a8 | 2009-04-11 03:58:01 +0200 | [diff] [blame] | 252 | if (!modparam_nohwcrypt) { |
Christian Lamparter | 25900ef | 2008-11-29 22:34:37 +0100 | [diff] [blame] | 253 | printk(KERN_INFO "%s: cryptographic accelerator " |
| 254 | "WEP:%s, TKIP:%s, CCMP:%s\n", |
| 255 | wiphy_name(dev->wiphy), |
| 256 | (priv->privacy_caps & BR_DESC_PRIV_CAP_WEP) ? "YES" : |
| 257 | "no", (priv->privacy_caps & (BR_DESC_PRIV_CAP_TKIP | |
| 258 | BR_DESC_PRIV_CAP_MICHAEL)) ? "YES" : "no", |
| 259 | (priv->privacy_caps & BR_DESC_PRIV_CAP_AESCCMP) ? |
| 260 | "YES" : "no"); |
| 261 | |
Christian Lamparter | 6dfe9a8 | 2009-04-11 03:58:01 +0200 | [diff] [blame] | 262 | if (priv->rx_keycache_size) { |
| 263 | /* |
| 264 | * NOTE: |
| 265 | * |
| 266 | * The firmware provides at most 255 (0 - 254) slots |
| 267 | * for keys which are then used to offload decryption. |
| 268 | * As a result the 255 entry (aka 0xff) can be used |
| 269 | * safely by the driver to mark keys that didn't fit |
| 270 | * into the full cache. This trick saves us from |
| 271 | * keeping a extra list for uploaded keys. |
| 272 | */ |
| 273 | |
| 274 | priv->used_rxkeys = kzalloc(BITS_TO_LONGS( |
| 275 | priv->rx_keycache_size), GFP_KERNEL); |
| 276 | |
| 277 | if (!priv->used_rxkeys) |
| 278 | return -ENOMEM; |
| 279 | } |
| 280 | } |
| 281 | |
Christian Lamparter | 4e416a6 | 2008-09-01 22:48:41 +0200 | [diff] [blame] | 282 | return 0; |
Michael Wu | eff1a59 | 2007-09-25 18:11:01 -0700 | [diff] [blame] | 283 | } |
| 284 | EXPORT_SYMBOL_GPL(p54_parse_firmware); |
| 285 | |
Christian Lamparter | 154e3af | 2008-08-23 22:15:25 +0200 | [diff] [blame] | 286 | static int p54_convert_rev0(struct ieee80211_hw *dev, |
| 287 | struct pda_pa_curve_data *curve_data) |
Michael Wu | eff1a59 | 2007-09-25 18:11:01 -0700 | [diff] [blame] | 288 | { |
| 289 | struct p54_common *priv = dev->priv; |
Christian Lamparter | 154e3af | 2008-08-23 22:15:25 +0200 | [diff] [blame] | 290 | struct p54_pa_curve_data_sample *dst; |
| 291 | struct pda_pa_curve_data_sample_rev0 *src; |
Michael Wu | eff1a59 | 2007-09-25 18:11:01 -0700 | [diff] [blame] | 292 | size_t cd_len = sizeof(*curve_data) + |
Christian Lamparter | 154e3af | 2008-08-23 22:15:25 +0200 | [diff] [blame] | 293 | (curve_data->points_per_channel*sizeof(*dst) + 2) * |
Michael Wu | eff1a59 | 2007-09-25 18:11:01 -0700 | [diff] [blame] | 294 | curve_data->channels; |
| 295 | unsigned int i, j; |
| 296 | void *source, *target; |
| 297 | |
Christian Lamparter | 83cf1b6 | 2009-01-11 01:10:33 +0100 | [diff] [blame] | 298 | priv->curve_data = kmalloc(sizeof(*priv->curve_data) + cd_len, |
| 299 | GFP_KERNEL); |
Michael Wu | eff1a59 | 2007-09-25 18:11:01 -0700 | [diff] [blame] | 300 | if (!priv->curve_data) |
| 301 | return -ENOMEM; |
| 302 | |
Christian Lamparter | 83cf1b6 | 2009-01-11 01:10:33 +0100 | [diff] [blame] | 303 | priv->curve_data->entries = curve_data->channels; |
| 304 | priv->curve_data->entry_size = sizeof(__le16) + |
| 305 | sizeof(*dst) * curve_data->points_per_channel; |
| 306 | priv->curve_data->offset = offsetof(struct pda_pa_curve_data, data); |
| 307 | priv->curve_data->len = cd_len; |
| 308 | memcpy(priv->curve_data->data, curve_data, sizeof(*curve_data)); |
Michael Wu | eff1a59 | 2007-09-25 18:11:01 -0700 | [diff] [blame] | 309 | source = curve_data->data; |
Christian Lamparter | 83cf1b6 | 2009-01-11 01:10:33 +0100 | [diff] [blame] | 310 | target = ((struct pda_pa_curve_data *) priv->curve_data->data)->data; |
Michael Wu | eff1a59 | 2007-09-25 18:11:01 -0700 | [diff] [blame] | 311 | for (i = 0; i < curve_data->channels; i++) { |
| 312 | __le16 *freq = source; |
| 313 | source += sizeof(__le16); |
| 314 | *((__le16 *)target) = *freq; |
| 315 | target += sizeof(__le16); |
| 316 | for (j = 0; j < curve_data->points_per_channel; j++) { |
Christian Lamparter | 154e3af | 2008-08-23 22:15:25 +0200 | [diff] [blame] | 317 | dst = target; |
| 318 | src = source; |
Michael Wu | eff1a59 | 2007-09-25 18:11:01 -0700 | [diff] [blame] | 319 | |
Christian Lamparter | 154e3af | 2008-08-23 22:15:25 +0200 | [diff] [blame] | 320 | dst->rf_power = src->rf_power; |
| 321 | dst->pa_detector = src->pa_detector; |
| 322 | dst->data_64qam = src->pcv; |
Michael Wu | eff1a59 | 2007-09-25 18:11:01 -0700 | [diff] [blame] | 323 | /* "invent" the points for the other modulations */ |
| 324 | #define SUB(x,y) (u8)((x) - (y)) > (x) ? 0 : (x) - (y) |
Christian Lamparter | 154e3af | 2008-08-23 22:15:25 +0200 | [diff] [blame] | 325 | dst->data_16qam = SUB(src->pcv, 12); |
| 326 | dst->data_qpsk = SUB(dst->data_16qam, 12); |
| 327 | dst->data_bpsk = SUB(dst->data_qpsk, 12); |
| 328 | dst->data_barker = SUB(dst->data_bpsk, 14); |
Michael Wu | eff1a59 | 2007-09-25 18:11:01 -0700 | [diff] [blame] | 329 | #undef SUB |
Christian Lamparter | 154e3af | 2008-08-23 22:15:25 +0200 | [diff] [blame] | 330 | target += sizeof(*dst); |
| 331 | source += sizeof(*src); |
Michael Wu | eff1a59 | 2007-09-25 18:11:01 -0700 | [diff] [blame] | 332 | } |
| 333 | } |
| 334 | |
| 335 | return 0; |
| 336 | } |
| 337 | |
Christian Lamparter | 154e3af | 2008-08-23 22:15:25 +0200 | [diff] [blame] | 338 | static int p54_convert_rev1(struct ieee80211_hw *dev, |
| 339 | struct pda_pa_curve_data *curve_data) |
| 340 | { |
| 341 | struct p54_common *priv = dev->priv; |
| 342 | struct p54_pa_curve_data_sample *dst; |
| 343 | struct pda_pa_curve_data_sample_rev1 *src; |
| 344 | size_t cd_len = sizeof(*curve_data) + |
| 345 | (curve_data->points_per_channel*sizeof(*dst) + 2) * |
| 346 | curve_data->channels; |
| 347 | unsigned int i, j; |
| 348 | void *source, *target; |
| 349 | |
Christian Lamparter | 83cf1b6 | 2009-01-11 01:10:33 +0100 | [diff] [blame] | 350 | priv->curve_data = kzalloc(cd_len + sizeof(*priv->curve_data), |
| 351 | GFP_KERNEL); |
Christian Lamparter | 154e3af | 2008-08-23 22:15:25 +0200 | [diff] [blame] | 352 | if (!priv->curve_data) |
| 353 | return -ENOMEM; |
| 354 | |
Christian Lamparter | 83cf1b6 | 2009-01-11 01:10:33 +0100 | [diff] [blame] | 355 | priv->curve_data->entries = curve_data->channels; |
| 356 | priv->curve_data->entry_size = sizeof(__le16) + |
| 357 | sizeof(*dst) * curve_data->points_per_channel; |
| 358 | priv->curve_data->offset = offsetof(struct pda_pa_curve_data, data); |
| 359 | priv->curve_data->len = cd_len; |
| 360 | memcpy(priv->curve_data->data, curve_data, sizeof(*curve_data)); |
Christian Lamparter | 154e3af | 2008-08-23 22:15:25 +0200 | [diff] [blame] | 361 | source = curve_data->data; |
Christian Lamparter | 83cf1b6 | 2009-01-11 01:10:33 +0100 | [diff] [blame] | 362 | target = ((struct pda_pa_curve_data *) priv->curve_data->data)->data; |
Christian Lamparter | 154e3af | 2008-08-23 22:15:25 +0200 | [diff] [blame] | 363 | for (i = 0; i < curve_data->channels; i++) { |
| 364 | __le16 *freq = source; |
| 365 | source += sizeof(__le16); |
| 366 | *((__le16 *)target) = *freq; |
| 367 | target += sizeof(__le16); |
| 368 | for (j = 0; j < curve_data->points_per_channel; j++) { |
| 369 | memcpy(target, source, sizeof(*src)); |
| 370 | |
| 371 | target += sizeof(*dst); |
| 372 | source += sizeof(*src); |
| 373 | } |
| 374 | source++; |
| 375 | } |
| 376 | |
| 377 | return 0; |
| 378 | } |
| 379 | |
Christian Lamparter | 4cc683c | 2008-10-15 03:30:06 +0200 | [diff] [blame] | 380 | static const char *p54_rf_chips[] = { "NULL", "Duette3", "Duette2", |
| 381 | "Frisbee", "Xbow", "Longbow", "NULL", "NULL" }; |
Christian Lamparter | 1b99753 | 2008-09-06 14:25:58 +0200 | [diff] [blame] | 382 | static int p54_init_xbow_synth(struct ieee80211_hw *dev); |
Christian Lamparter | 7cb7707 | 2008-09-01 22:48:51 +0200 | [diff] [blame] | 383 | |
Christian Lamparter | 69ba3e5 | 2008-12-14 14:45:30 +0100 | [diff] [blame] | 384 | static void p54_parse_rssical(struct ieee80211_hw *dev, void *data, int len, |
| 385 | u16 type) |
| 386 | { |
| 387 | struct p54_common *priv = dev->priv; |
| 388 | int offset = (type == PDR_RSSI_LINEAR_APPROXIMATION_EXTENDED) ? 2 : 0; |
| 389 | int entry_size = sizeof(struct pda_rssi_cal_entry) + offset; |
| 390 | int num_entries = (type == PDR_RSSI_LINEAR_APPROXIMATION) ? 1 : 2; |
| 391 | int i; |
| 392 | |
| 393 | if (len != (entry_size * num_entries)) { |
| 394 | printk(KERN_ERR "%s: unknown rssi calibration data packing " |
| 395 | " type:(%x) len:%d.\n", |
| 396 | wiphy_name(dev->wiphy), type, len); |
| 397 | |
| 398 | print_hex_dump_bytes("rssical:", DUMP_PREFIX_NONE, |
| 399 | data, len); |
| 400 | |
| 401 | printk(KERN_ERR "%s: please report this issue.\n", |
| 402 | wiphy_name(dev->wiphy)); |
| 403 | return; |
| 404 | } |
| 405 | |
| 406 | for (i = 0; i < num_entries; i++) { |
| 407 | struct pda_rssi_cal_entry *cal = data + |
| 408 | (offset + i * entry_size); |
| 409 | priv->rssical_db[i].mul = (s16) le16_to_cpu(cal->mul); |
| 410 | priv->rssical_db[i].add = (s16) le16_to_cpu(cal->add); |
| 411 | } |
| 412 | } |
| 413 | |
Christian Lamparter | 98a8d1a | 2008-12-26 21:50:33 +0100 | [diff] [blame] | 414 | static void p54_parse_default_country(struct ieee80211_hw *dev, |
| 415 | void *data, int len) |
| 416 | { |
| 417 | struct pda_country *country; |
| 418 | |
| 419 | if (len != sizeof(*country)) { |
| 420 | printk(KERN_ERR "%s: found possible invalid default country " |
| 421 | "eeprom entry. (entry size: %d)\n", |
| 422 | wiphy_name(dev->wiphy), len); |
| 423 | |
| 424 | print_hex_dump_bytes("country:", DUMP_PREFIX_NONE, |
| 425 | data, len); |
| 426 | |
| 427 | printk(KERN_ERR "%s: please report this issue.\n", |
| 428 | wiphy_name(dev->wiphy)); |
| 429 | return; |
| 430 | } |
| 431 | |
| 432 | country = (struct pda_country *) data; |
| 433 | if (country->flags == PDR_COUNTRY_CERT_CODE_PSEUDO) |
| 434 | regulatory_hint(dev->wiphy, country->alpha2); |
| 435 | else { |
| 436 | /* TODO: |
| 437 | * write a shared/common function that converts |
| 438 | * "Regulatory domain codes" (802.11-2007 14.8.2.2) |
| 439 | * into ISO/IEC 3166-1 alpha2 for regulatory_hint. |
| 440 | */ |
| 441 | } |
| 442 | } |
| 443 | |
Christian Lamparter | 83cf1b6 | 2009-01-11 01:10:33 +0100 | [diff] [blame] | 444 | static int p54_convert_output_limits(struct ieee80211_hw *dev, |
| 445 | u8 *data, size_t len) |
| 446 | { |
| 447 | struct p54_common *priv = dev->priv; |
| 448 | |
| 449 | if (len < 2) |
| 450 | return -EINVAL; |
| 451 | |
| 452 | if (data[0] != 0) { |
| 453 | printk(KERN_ERR "%s: unknown output power db revision:%x\n", |
| 454 | wiphy_name(dev->wiphy), data[0]); |
| 455 | return -EINVAL; |
| 456 | } |
| 457 | |
| 458 | if (2 + data[1] * sizeof(struct pda_channel_output_limit) > len) |
| 459 | return -EINVAL; |
| 460 | |
| 461 | priv->output_limit = kmalloc(data[1] * |
| 462 | sizeof(struct pda_channel_output_limit) + |
| 463 | sizeof(*priv->output_limit), GFP_KERNEL); |
| 464 | |
| 465 | if (!priv->output_limit) |
| 466 | return -ENOMEM; |
| 467 | |
| 468 | priv->output_limit->offset = 0; |
| 469 | priv->output_limit->entries = data[1]; |
| 470 | priv->output_limit->entry_size = |
| 471 | sizeof(struct pda_channel_output_limit); |
| 472 | priv->output_limit->len = priv->output_limit->entry_size * |
| 473 | priv->output_limit->entries + |
| 474 | priv->output_limit->offset; |
| 475 | |
| 476 | memcpy(priv->output_limit->data, &data[2], |
| 477 | data[1] * sizeof(struct pda_channel_output_limit)); |
| 478 | |
| 479 | return 0; |
| 480 | } |
| 481 | |
| 482 | static struct p54_cal_database *p54_convert_db(struct pda_custom_wrapper *src, |
| 483 | size_t total_len) |
| 484 | { |
| 485 | struct p54_cal_database *dst; |
| 486 | size_t payload_len, entries, entry_size, offset; |
| 487 | |
| 488 | payload_len = le16_to_cpu(src->len); |
| 489 | entries = le16_to_cpu(src->entries); |
| 490 | entry_size = le16_to_cpu(src->entry_size); |
| 491 | offset = le16_to_cpu(src->offset); |
| 492 | if (((entries * entry_size + offset) != payload_len) || |
| 493 | (payload_len + sizeof(*src) != total_len)) |
| 494 | return NULL; |
| 495 | |
| 496 | dst = kmalloc(sizeof(*dst) + payload_len, GFP_KERNEL); |
| 497 | if (!dst) |
| 498 | return NULL; |
| 499 | |
| 500 | dst->entries = entries; |
| 501 | dst->entry_size = entry_size; |
| 502 | dst->offset = offset; |
| 503 | dst->len = payload_len; |
| 504 | |
| 505 | memcpy(dst->data, src->data, payload_len); |
| 506 | return dst; |
| 507 | } |
| 508 | |
Christian Lamparter | cd8d3d3 | 2009-01-11 01:18:38 +0100 | [diff] [blame] | 509 | int p54_parse_eeprom(struct ieee80211_hw *dev, void *eeprom, int len) |
Michael Wu | eff1a59 | 2007-09-25 18:11:01 -0700 | [diff] [blame] | 510 | { |
| 511 | struct p54_common *priv = dev->priv; |
| 512 | struct eeprom_pda_wrap *wrap = NULL; |
| 513 | struct pda_entry *entry; |
Michael Wu | eff1a59 | 2007-09-25 18:11:01 -0700 | [diff] [blame] | 514 | unsigned int data_len, entry_len; |
| 515 | void *tmp; |
| 516 | int err; |
Johannes Berg | c2f2d3a | 2008-02-29 23:28:25 +0100 | [diff] [blame] | 517 | u8 *end = (u8 *)eeprom + len; |
Christian Lamparter | f2c2e25 | 2008-10-25 16:14:14 +0200 | [diff] [blame] | 518 | u16 synth = 0; |
Michael Wu | eff1a59 | 2007-09-25 18:11:01 -0700 | [diff] [blame] | 519 | |
| 520 | wrap = (struct eeprom_pda_wrap *) eeprom; |
Johannes Berg | 8c28293 | 2008-02-29 13:56:33 +0100 | [diff] [blame] | 521 | entry = (void *)wrap->data + le16_to_cpu(wrap->len); |
Johannes Berg | c2f2d3a | 2008-02-29 23:28:25 +0100 | [diff] [blame] | 522 | |
| 523 | /* verify that at least the entry length/code fits */ |
| 524 | while ((u8 *)entry <= end - sizeof(*entry)) { |
Michael Wu | eff1a59 | 2007-09-25 18:11:01 -0700 | [diff] [blame] | 525 | entry_len = le16_to_cpu(entry->len); |
| 526 | data_len = ((entry_len - 1) << 1); |
Johannes Berg | c2f2d3a | 2008-02-29 23:28:25 +0100 | [diff] [blame] | 527 | |
| 528 | /* abort if entry exceeds whole structure */ |
| 529 | if ((u8 *)entry + sizeof(*entry) + data_len > end) |
| 530 | break; |
| 531 | |
Michael Wu | eff1a59 | 2007-09-25 18:11:01 -0700 | [diff] [blame] | 532 | switch (le16_to_cpu(entry->code)) { |
| 533 | case PDR_MAC_ADDRESS: |
Christian Lamparter | 83cf1b6 | 2009-01-11 01:10:33 +0100 | [diff] [blame] | 534 | if (data_len != ETH_ALEN) |
| 535 | break; |
Michael Wu | eff1a59 | 2007-09-25 18:11:01 -0700 | [diff] [blame] | 536 | SET_IEEE80211_PERM_ADDR(dev, entry->data); |
| 537 | break; |
| 538 | case PDR_PRISM_PA_CAL_OUTPUT_POWER_LIMITS: |
Christian Lamparter | 83cf1b6 | 2009-01-11 01:10:33 +0100 | [diff] [blame] | 539 | if (priv->output_limit) |
| 540 | break; |
| 541 | err = p54_convert_output_limits(dev, entry->data, |
| 542 | data_len); |
| 543 | if (err) |
Michael Wu | eff1a59 | 2007-09-25 18:11:01 -0700 | [diff] [blame] | 544 | goto err; |
Michael Wu | eff1a59 | 2007-09-25 18:11:01 -0700 | [diff] [blame] | 545 | break; |
Christian Lamparter | 154e3af | 2008-08-23 22:15:25 +0200 | [diff] [blame] | 546 | case PDR_PRISM_PA_CAL_CURVE_DATA: { |
| 547 | struct pda_pa_curve_data *curve_data = |
| 548 | (struct pda_pa_curve_data *)entry->data; |
| 549 | if (data_len < sizeof(*curve_data)) { |
Michael Wu | eff1a59 | 2007-09-25 18:11:01 -0700 | [diff] [blame] | 550 | err = -EINVAL; |
| 551 | goto err; |
| 552 | } |
| 553 | |
Christian Lamparter | 154e3af | 2008-08-23 22:15:25 +0200 | [diff] [blame] | 554 | switch (curve_data->cal_method_rev) { |
| 555 | case 0: |
| 556 | err = p54_convert_rev0(dev, curve_data); |
| 557 | break; |
| 558 | case 1: |
| 559 | err = p54_convert_rev1(dev, curve_data); |
| 560 | break; |
| 561 | default: |
Christian Lamparter | 02e37ba | 2008-11-29 22:39:08 +0100 | [diff] [blame] | 562 | printk(KERN_ERR "%s: unknown curve data " |
Christian Lamparter | 154e3af | 2008-08-23 22:15:25 +0200 | [diff] [blame] | 563 | "revision %d\n", |
Christian Lamparter | 02e37ba | 2008-11-29 22:39:08 +0100 | [diff] [blame] | 564 | wiphy_name(dev->wiphy), |
Christian Lamparter | 154e3af | 2008-08-23 22:15:25 +0200 | [diff] [blame] | 565 | curve_data->cal_method_rev); |
| 566 | err = -ENODEV; |
| 567 | break; |
Michael Wu | eff1a59 | 2007-09-25 18:11:01 -0700 | [diff] [blame] | 568 | } |
Christian Lamparter | 154e3af | 2008-08-23 22:15:25 +0200 | [diff] [blame] | 569 | if (err) |
| 570 | goto err; |
Chr | 40ab73c | 2009-01-19 14:30:26 +0100 | [diff] [blame] | 571 | } |
| 572 | break; |
Michael Wu | eff1a59 | 2007-09-25 18:11:01 -0700 | [diff] [blame] | 573 | case PDR_PRISM_ZIF_TX_IQ_CALIBRATION: |
| 574 | priv->iq_autocal = kmalloc(data_len, GFP_KERNEL); |
| 575 | if (!priv->iq_autocal) { |
| 576 | err = -ENOMEM; |
| 577 | goto err; |
| 578 | } |
| 579 | |
| 580 | memcpy(priv->iq_autocal, entry->data, data_len); |
| 581 | priv->iq_autocal_len = data_len / sizeof(struct pda_iq_autocal_entry); |
| 582 | break; |
Christian Lamparter | 98a8d1a | 2008-12-26 21:50:33 +0100 | [diff] [blame] | 583 | case PDR_DEFAULT_COUNTRY: |
| 584 | p54_parse_default_country(dev, entry->data, data_len); |
| 585 | break; |
Michael Wu | eff1a59 | 2007-09-25 18:11:01 -0700 | [diff] [blame] | 586 | case PDR_INTERFACE_LIST: |
| 587 | tmp = entry->data; |
| 588 | while ((u8 *)tmp < entry->data + data_len) { |
| 589 | struct bootrec_exp_if *exp_if = tmp; |
Christian Lamparter | 4cc683c | 2008-10-15 03:30:06 +0200 | [diff] [blame] | 590 | if (le16_to_cpu(exp_if->if_id) == 0xf) |
| 591 | synth = le16_to_cpu(exp_if->variant); |
Michael Wu | eff1a59 | 2007-09-25 18:11:01 -0700 | [diff] [blame] | 592 | tmp += sizeof(struct bootrec_exp_if); |
| 593 | } |
| 594 | break; |
| 595 | case PDR_HARDWARE_PLATFORM_COMPONENT_ID: |
Christian Lamparter | 83cf1b6 | 2009-01-11 01:10:33 +0100 | [diff] [blame] | 596 | if (data_len < 2) |
| 597 | break; |
Michael Wu | eff1a59 | 2007-09-25 18:11:01 -0700 | [diff] [blame] | 598 | priv->version = *(u8 *)(entry->data + 1); |
| 599 | break; |
Christian Lamparter | 69ba3e5 | 2008-12-14 14:45:30 +0100 | [diff] [blame] | 600 | case PDR_RSSI_LINEAR_APPROXIMATION: |
| 601 | case PDR_RSSI_LINEAR_APPROXIMATION_DUAL_BAND: |
| 602 | case PDR_RSSI_LINEAR_APPROXIMATION_EXTENDED: |
| 603 | p54_parse_rssical(dev, entry->data, data_len, |
| 604 | le16_to_cpu(entry->code)); |
| 605 | break; |
Christian Lamparter | 83cf1b6 | 2009-01-11 01:10:33 +0100 | [diff] [blame] | 606 | case PDR_RSSI_LINEAR_APPROXIMATION_CUSTOM: { |
| 607 | __le16 *src = (void *) entry->data; |
| 608 | s16 *dst = (void *) &priv->rssical_db; |
| 609 | int i; |
| 610 | |
| 611 | if (data_len != sizeof(priv->rssical_db)) { |
| 612 | err = -EINVAL; |
| 613 | goto err; |
| 614 | } |
| 615 | for (i = 0; i < sizeof(priv->rssical_db) / |
| 616 | sizeof(*src); i++) |
| 617 | *(dst++) = (s16) le16_to_cpu(*(src++)); |
| 618 | } |
| 619 | break; |
| 620 | case PDR_PRISM_PA_CAL_OUTPUT_POWER_LIMITS_CUSTOM: { |
| 621 | struct pda_custom_wrapper *pda = (void *) entry->data; |
| 622 | if (priv->output_limit || data_len < sizeof(*pda)) |
| 623 | break; |
| 624 | priv->output_limit = p54_convert_db(pda, data_len); |
| 625 | } |
| 626 | break; |
| 627 | case PDR_PRISM_PA_CAL_CURVE_DATA_CUSTOM: { |
| 628 | struct pda_custom_wrapper *pda = (void *) entry->data; |
| 629 | if (priv->curve_data || data_len < sizeof(*pda)) |
| 630 | break; |
| 631 | priv->curve_data = p54_convert_db(pda, data_len); |
| 632 | } |
| 633 | break; |
Michael Wu | eff1a59 | 2007-09-25 18:11:01 -0700 | [diff] [blame] | 634 | case PDR_END: |
Johannes Berg | c2f2d3a | 2008-02-29 23:28:25 +0100 | [diff] [blame] | 635 | /* make it overrun */ |
| 636 | entry_len = len; |
Michael Wu | eff1a59 | 2007-09-25 18:11:01 -0700 | [diff] [blame] | 637 | break; |
Pavel Roskin | c8034c4 | 2008-10-29 17:31:43 -0400 | [diff] [blame] | 638 | case PDR_MANUFACTURING_PART_NUMBER: |
| 639 | case PDR_PDA_VERSION: |
| 640 | case PDR_NIC_SERIAL_NUMBER: |
| 641 | case PDR_REGULATORY_DOMAIN_LIST: |
| 642 | case PDR_TEMPERATURE_TYPE: |
| 643 | case PDR_PRISM_PCI_IDENTIFIER: |
| 644 | case PDR_COUNTRY_INFORMATION: |
| 645 | case PDR_OEM_NAME: |
| 646 | case PDR_PRODUCT_NAME: |
| 647 | case PDR_UTF8_OEM_NAME: |
| 648 | case PDR_UTF8_PRODUCT_NAME: |
| 649 | case PDR_COUNTRY_LIST: |
Pavel Roskin | c8034c4 | 2008-10-29 17:31:43 -0400 | [diff] [blame] | 650 | case PDR_ANTENNA_GAIN: |
| 651 | case PDR_PRISM_INDIGO_PA_CALIBRATION_DATA: |
Pavel Roskin | c8034c4 | 2008-10-29 17:31:43 -0400 | [diff] [blame] | 652 | case PDR_REGULATORY_POWER_LIMITS: |
Pavel Roskin | c8034c4 | 2008-10-29 17:31:43 -0400 | [diff] [blame] | 653 | case PDR_RADIATED_TRANSMISSION_CORRECTION: |
| 654 | case PDR_PRISM_TX_IQ_CALIBRATION: |
| 655 | case PDR_BASEBAND_REGISTERS: |
| 656 | case PDR_PER_CHANNEL_BASEBAND_REGISTERS: |
| 657 | break; |
Florian Fainelli | 58e3073 | 2008-02-25 17:51:53 +0100 | [diff] [blame] | 658 | default: |
Christian Lamparter | 02e37ba | 2008-11-29 22:39:08 +0100 | [diff] [blame] | 659 | printk(KERN_INFO "%s: unknown eeprom code : 0x%x\n", |
| 660 | wiphy_name(dev->wiphy), |
Florian Fainelli | 58e3073 | 2008-02-25 17:51:53 +0100 | [diff] [blame] | 661 | le16_to_cpu(entry->code)); |
| 662 | break; |
Michael Wu | eff1a59 | 2007-09-25 18:11:01 -0700 | [diff] [blame] | 663 | } |
| 664 | |
| 665 | entry = (void *)entry + (entry_len + 1)*2; |
Michael Wu | eff1a59 | 2007-09-25 18:11:01 -0700 | [diff] [blame] | 666 | } |
| 667 | |
Christian Lamparter | f2c2e25 | 2008-10-25 16:14:14 +0200 | [diff] [blame] | 668 | if (!synth || !priv->iq_autocal || !priv->output_limit || |
| 669 | !priv->curve_data) { |
Christian Lamparter | 02e37ba | 2008-11-29 22:39:08 +0100 | [diff] [blame] | 670 | printk(KERN_ERR "%s: not all required entries found in eeprom!\n", |
| 671 | wiphy_name(dev->wiphy)); |
Michael Wu | eff1a59 | 2007-09-25 18:11:01 -0700 | [diff] [blame] | 672 | err = -EINVAL; |
| 673 | goto err; |
| 674 | } |
| 675 | |
Christian Lamparter | 9e7f3f8 | 2008-10-18 23:18:01 +0200 | [diff] [blame] | 676 | priv->rxhw = synth & PDR_SYNTH_FRONTEND_MASK; |
Christian Lamparter | 6917f50 | 2009-01-11 01:14:18 +0100 | [diff] [blame] | 677 | if (priv->rxhw == PDR_SYNTH_FRONTEND_XBOW) |
Christian Lamparter | 1b99753 | 2008-09-06 14:25:58 +0200 | [diff] [blame] | 678 | p54_init_xbow_synth(dev); |
Christian Lamparter | 9e7f3f8 | 2008-10-18 23:18:01 +0200 | [diff] [blame] | 679 | if (!(synth & PDR_SYNTH_24_GHZ_DISABLED)) |
Christian Lamparter | 1b99753 | 2008-09-06 14:25:58 +0200 | [diff] [blame] | 680 | dev->wiphy->bands[IEEE80211_BAND_2GHZ] = &band_2GHz; |
Christian Lamparter | 9e7f3f8 | 2008-10-18 23:18:01 +0200 | [diff] [blame] | 681 | if (!(synth & PDR_SYNTH_5_GHZ_DISABLED)) |
Christian Lamparter | 4cc683c | 2008-10-15 03:30:06 +0200 | [diff] [blame] | 682 | dev->wiphy->bands[IEEE80211_BAND_5GHZ] = &band_5GHz; |
Christian Lamparter | 78eb748 | 2008-12-30 13:48:19 +0100 | [diff] [blame] | 683 | if ((synth & PDR_SYNTH_RX_DIV_MASK) == PDR_SYNTH_RX_DIV_SUPPORTED) |
| 684 | priv->rx_diversity_mask = 3; |
| 685 | if ((synth & PDR_SYNTH_TX_DIV_MASK) == PDR_SYNTH_TX_DIV_SUPPORTED) |
| 686 | priv->tx_diversity_mask = 3; |
Christian Lamparter | 7cb7707 | 2008-09-01 22:48:51 +0200 | [diff] [blame] | 687 | |
| 688 | if (!is_valid_ether_addr(dev->wiphy->perm_addr)) { |
| 689 | u8 perm_addr[ETH_ALEN]; |
| 690 | |
| 691 | printk(KERN_WARNING "%s: Invalid hwaddr! Using randomly generated MAC addr\n", |
| 692 | wiphy_name(dev->wiphy)); |
| 693 | random_ether_addr(perm_addr); |
| 694 | SET_IEEE80211_PERM_ADDR(dev, perm_addr); |
| 695 | } |
| 696 | |
Johannes Berg | e174961 | 2008-10-27 15:59:26 -0700 | [diff] [blame] | 697 | printk(KERN_INFO "%s: hwaddr %pM, MAC:isl38%02x RF:%s\n", |
Christian Lamparter | 7cb7707 | 2008-09-01 22:48:51 +0200 | [diff] [blame] | 698 | wiphy_name(dev->wiphy), |
Johannes Berg | e174961 | 2008-10-27 15:59:26 -0700 | [diff] [blame] | 699 | dev->wiphy->perm_addr, |
Christian Lamparter | 7cb7707 | 2008-09-01 22:48:51 +0200 | [diff] [blame] | 700 | priv->version, p54_rf_chips[priv->rxhw]); |
| 701 | |
Michael Wu | eff1a59 | 2007-09-25 18:11:01 -0700 | [diff] [blame] | 702 | return 0; |
| 703 | |
| 704 | err: |
| 705 | if (priv->iq_autocal) { |
| 706 | kfree(priv->iq_autocal); |
| 707 | priv->iq_autocal = NULL; |
| 708 | } |
| 709 | |
| 710 | if (priv->output_limit) { |
| 711 | kfree(priv->output_limit); |
| 712 | priv->output_limit = NULL; |
| 713 | } |
| 714 | |
| 715 | if (priv->curve_data) { |
| 716 | kfree(priv->curve_data); |
| 717 | priv->curve_data = NULL; |
| 718 | } |
| 719 | |
Christian Lamparter | 02e37ba | 2008-11-29 22:39:08 +0100 | [diff] [blame] | 720 | printk(KERN_ERR "%s: eeprom parse failed!\n", |
| 721 | wiphy_name(dev->wiphy)); |
Michael Wu | eff1a59 | 2007-09-25 18:11:01 -0700 | [diff] [blame] | 722 | return err; |
| 723 | } |
Christian Lamparter | cd8d3d3 | 2009-01-11 01:18:38 +0100 | [diff] [blame] | 724 | EXPORT_SYMBOL_GPL(p54_parse_eeprom); |
Michael Wu | eff1a59 | 2007-09-25 18:11:01 -0700 | [diff] [blame] | 725 | |
Christian Lamparter | cc6de66 | 2008-09-06 02:56:23 +0200 | [diff] [blame] | 726 | static int p54_rssi_to_dbm(struct ieee80211_hw *dev, int rssi) |
| 727 | { |
Christian Lamparter | 69ba3e5 | 2008-12-14 14:45:30 +0100 | [diff] [blame] | 728 | struct p54_common *priv = dev->priv; |
| 729 | int band = dev->conf.channel->band; |
| 730 | |
Christian Lamparter | 6917f50 | 2009-01-11 01:14:18 +0100 | [diff] [blame] | 731 | if (priv->rxhw != PDR_SYNTH_FRONTEND_LONGBOW) |
| 732 | return ((rssi * priv->rssical_db[band].mul) / 64 + |
| 733 | priv->rssical_db[band].add) / 4; |
| 734 | else |
| 735 | /* |
| 736 | * TODO: find the correct formula |
| 737 | */ |
| 738 | return ((rssi * priv->rssical_db[band].mul) / 64 + |
Christian Lamparter | 69ba3e5 | 2008-12-14 14:45:30 +0100 | [diff] [blame] | 739 | priv->rssical_db[band].add) / 4; |
Christian Lamparter | cc6de66 | 2008-09-06 02:56:23 +0200 | [diff] [blame] | 740 | } |
| 741 | |
Christian Lamparter | 19c19d5 | 2008-09-03 22:25:25 +0200 | [diff] [blame] | 742 | static int p54_rx_data(struct ieee80211_hw *dev, struct sk_buff *skb) |
Michael Wu | eff1a59 | 2007-09-25 18:11:01 -0700 | [diff] [blame] | 743 | { |
Christian Lamparter | a0db663 | 2008-09-06 02:56:04 +0200 | [diff] [blame] | 744 | struct p54_common *priv = dev->priv; |
John W. Linville | 27df605 | 2008-10-22 16:41:55 -0400 | [diff] [blame] | 745 | struct p54_rx_data *hdr = (struct p54_rx_data *) skb->data; |
Michael Wu | eff1a59 | 2007-09-25 18:11:01 -0700 | [diff] [blame] | 746 | struct ieee80211_rx_status rx_status = {0}; |
| 747 | u16 freq = le16_to_cpu(hdr->freq); |
Christian Lamparter | 19c19d5 | 2008-09-03 22:25:25 +0200 | [diff] [blame] | 748 | size_t header_len = sizeof(*hdr); |
Christian Lamparter | a0db663 | 2008-09-06 02:56:04 +0200 | [diff] [blame] | 749 | u32 tsf32; |
Christian Lamparter | 124b68e | 2008-12-26 19:09:45 +0100 | [diff] [blame] | 750 | u8 rate = hdr->rate & 0xf; |
Michael Wu | eff1a59 | 2007-09-25 18:11:01 -0700 | [diff] [blame] | 751 | |
Christian Lamparter | 59651e8 | 2008-12-09 21:07:50 +0100 | [diff] [blame] | 752 | /* |
| 753 | * If the device is in a unspecified state we have to |
| 754 | * ignore all data frames. Else we could end up with a |
| 755 | * nasty crash. |
| 756 | */ |
| 757 | if (unlikely(priv->mode == NL80211_IFTYPE_UNSPECIFIED)) |
| 758 | return 0; |
| 759 | |
John W. Linville | 27df605 | 2008-10-22 16:41:55 -0400 | [diff] [blame] | 760 | if (!(hdr->flags & cpu_to_le16(P54_HDR_FLAG_DATA_IN_FCS_GOOD))) { |
Christian Lamparter | 346de73 | 2009-03-05 21:28:57 +0100 | [diff] [blame] | 761 | return 0; |
Christian Lamparter | 78d57eb | 2008-09-06 02:56:12 +0200 | [diff] [blame] | 762 | } |
| 763 | |
Christian Lamparter | 25900ef | 2008-11-29 22:34:37 +0100 | [diff] [blame] | 764 | if (hdr->decrypt_status == P54_DECRYPT_OK) |
| 765 | rx_status.flag |= RX_FLAG_DECRYPTED; |
| 766 | if ((hdr->decrypt_status == P54_DECRYPT_FAIL_MICHAEL) || |
| 767 | (hdr->decrypt_status == P54_DECRYPT_FAIL_TKIP)) |
| 768 | rx_status.flag |= RX_FLAG_MMIC_ERROR; |
| 769 | |
Christian Lamparter | cc6de66 | 2008-09-06 02:56:23 +0200 | [diff] [blame] | 770 | rx_status.signal = p54_rssi_to_dbm(dev, hdr->rssi); |
| 771 | rx_status.noise = priv->noise; |
Christian Lamparter | ffed785 | 2008-11-14 19:41:22 +0100 | [diff] [blame] | 772 | if (hdr->rate & 0x10) |
| 773 | rx_status.flag |= RX_FLAG_SHORTPRE; |
Christian Lamparter | 124b68e | 2008-12-26 19:09:45 +0100 | [diff] [blame] | 774 | if (dev->conf.channel->band == IEEE80211_BAND_5GHZ) |
| 775 | rx_status.rate_idx = (rate < 4) ? 0 : rate - 4; |
| 776 | else |
| 777 | rx_status.rate_idx = rate; |
| 778 | |
Michael Wu | eff1a59 | 2007-09-25 18:11:01 -0700 | [diff] [blame] | 779 | rx_status.freq = freq; |
Christian Lamparter | cf3e74c | 2008-09-30 23:36:00 +0200 | [diff] [blame] | 780 | rx_status.band = dev->conf.channel->band; |
Michael Wu | eff1a59 | 2007-09-25 18:11:01 -0700 | [diff] [blame] | 781 | rx_status.antenna = hdr->antenna; |
Christian Lamparter | a0db663 | 2008-09-06 02:56:04 +0200 | [diff] [blame] | 782 | |
| 783 | tsf32 = le32_to_cpu(hdr->tsf32); |
| 784 | if (tsf32 < priv->tsf_low32) |
| 785 | priv->tsf_high32++; |
| 786 | rx_status.mactime = ((u64)priv->tsf_high32) << 32 | tsf32; |
| 787 | priv->tsf_low32 = tsf32; |
| 788 | |
Johannes Berg | 03bffc1 | 2007-12-04 20:33:40 +0100 | [diff] [blame] | 789 | rx_status.flag |= RX_FLAG_TSFT; |
Michael Wu | eff1a59 | 2007-09-25 18:11:01 -0700 | [diff] [blame] | 790 | |
John W. Linville | 27df605 | 2008-10-22 16:41:55 -0400 | [diff] [blame] | 791 | if (hdr->flags & cpu_to_le16(P54_HDR_FLAG_DATA_ALIGN)) |
Christian Lamparter | 19c19d5 | 2008-09-03 22:25:25 +0200 | [diff] [blame] | 792 | header_len += hdr->align[0]; |
| 793 | |
| 794 | skb_pull(skb, header_len); |
Michael Wu | eff1a59 | 2007-09-25 18:11:01 -0700 | [diff] [blame] | 795 | skb_trim(skb, le16_to_cpu(hdr->len)); |
| 796 | |
| 797 | ieee80211_rx_irqsafe(dev, skb, &rx_status); |
Christian Lamparter | 19c19d5 | 2008-09-03 22:25:25 +0200 | [diff] [blame] | 798 | |
Christian Lamparter | 54fdb04 | 2008-12-13 14:14:20 +0100 | [diff] [blame] | 799 | queue_delayed_work(dev->workqueue, &priv->work, |
| 800 | msecs_to_jiffies(P54_STATISTICS_UPDATE)); |
| 801 | |
Christian Lamparter | 19c19d5 | 2008-09-03 22:25:25 +0200 | [diff] [blame] | 802 | return -1; |
Michael Wu | eff1a59 | 2007-09-25 18:11:01 -0700 | [diff] [blame] | 803 | } |
| 804 | |
| 805 | static void inline p54_wake_free_queues(struct ieee80211_hw *dev) |
| 806 | { |
| 807 | struct p54_common *priv = dev->priv; |
| 808 | int i; |
| 809 | |
Christian Lamparter | b92f30d | 2008-10-15 04:07:16 +0200 | [diff] [blame] | 810 | if (priv->mode == NL80211_IFTYPE_UNSPECIFIED) |
| 811 | return ; |
| 812 | |
Michael Wu | eff1a59 | 2007-09-25 18:11:01 -0700 | [diff] [blame] | 813 | for (i = 0; i < dev->queues; i++) |
Christian Lamparter | a15bd00 | 2008-12-21 20:54:34 +0100 | [diff] [blame] | 814 | if (priv->tx_stats[i + P54_QUEUE_DATA].len < |
| 815 | priv->tx_stats[i + P54_QUEUE_DATA].limit) |
Michael Wu | eff1a59 | 2007-09-25 18:11:01 -0700 | [diff] [blame] | 816 | ieee80211_wake_queue(dev, i); |
| 817 | } |
| 818 | |
Christian Lamparter | b92f30d | 2008-10-15 04:07:16 +0200 | [diff] [blame] | 819 | void p54_free_skb(struct ieee80211_hw *dev, struct sk_buff *skb) |
| 820 | { |
| 821 | struct p54_common *priv = dev->priv; |
| 822 | struct ieee80211_tx_info *info; |
Christian Lamparter | 3cd08b3 | 2009-01-09 21:06:06 +0100 | [diff] [blame] | 823 | struct p54_tx_info *range; |
Christian Lamparter | b92f30d | 2008-10-15 04:07:16 +0200 | [diff] [blame] | 824 | unsigned long flags; |
Christian Lamparter | b92f30d | 2008-10-15 04:07:16 +0200 | [diff] [blame] | 825 | |
David S. Miller | 0ca1b08 | 2009-07-06 12:49:18 -0700 | [diff] [blame^] | 826 | if (unlikely(!skb || !dev || !skb_queue_len(&priv->tx_queue))) |
Christian Lamparter | b92f30d | 2008-10-15 04:07:16 +0200 | [diff] [blame] | 827 | return; |
| 828 | |
David S. Miller | 0ca1b08 | 2009-07-06 12:49:18 -0700 | [diff] [blame^] | 829 | /* |
| 830 | * don't try to free an already unlinked skb |
Christian Lamparter | 59651e8 | 2008-12-09 21:07:50 +0100 | [diff] [blame] | 831 | */ |
David S. Miller | 0ca1b08 | 2009-07-06 12:49:18 -0700 | [diff] [blame^] | 832 | if (unlikely((!skb->next) || (!skb->prev))) |
| 833 | return; |
Christian Lamparter | 59651e8 | 2008-12-09 21:07:50 +0100 | [diff] [blame] | 834 | |
Christian Lamparter | b92f30d | 2008-10-15 04:07:16 +0200 | [diff] [blame] | 835 | spin_lock_irqsave(&priv->tx_queue.lock, flags); |
| 836 | info = IEEE80211_SKB_CB(skb); |
| 837 | range = (void *)info->rate_driver_data; |
David S. Miller | 0ca1b08 | 2009-07-06 12:49:18 -0700 | [diff] [blame^] | 838 | if (skb->prev != (struct sk_buff *)&priv->tx_queue) { |
Christian Lamparter | b92f30d | 2008-10-15 04:07:16 +0200 | [diff] [blame] | 839 | struct ieee80211_tx_info *ni; |
Christian Lamparter | 3cd08b3 | 2009-01-09 21:06:06 +0100 | [diff] [blame] | 840 | struct p54_tx_info *mr; |
Christian Lamparter | b92f30d | 2008-10-15 04:07:16 +0200 | [diff] [blame] | 841 | |
David S. Miller | 0ca1b08 | 2009-07-06 12:49:18 -0700 | [diff] [blame^] | 842 | ni = IEEE80211_SKB_CB(skb->prev); |
Christian Lamparter | 3cd08b3 | 2009-01-09 21:06:06 +0100 | [diff] [blame] | 843 | mr = (struct p54_tx_info *)ni->rate_driver_data; |
Christian Lamparter | b92f30d | 2008-10-15 04:07:16 +0200 | [diff] [blame] | 844 | } |
David S. Miller | 0ca1b08 | 2009-07-06 12:49:18 -0700 | [diff] [blame^] | 845 | if (skb->next != (struct sk_buff *)&priv->tx_queue) { |
Christian Lamparter | b92f30d | 2008-10-15 04:07:16 +0200 | [diff] [blame] | 846 | struct ieee80211_tx_info *ni; |
Christian Lamparter | 3cd08b3 | 2009-01-09 21:06:06 +0100 | [diff] [blame] | 847 | struct p54_tx_info *mr; |
Christian Lamparter | b92f30d | 2008-10-15 04:07:16 +0200 | [diff] [blame] | 848 | |
David S. Miller | 0ca1b08 | 2009-07-06 12:49:18 -0700 | [diff] [blame^] | 849 | ni = IEEE80211_SKB_CB(skb->next); |
Christian Lamparter | 3cd08b3 | 2009-01-09 21:06:06 +0100 | [diff] [blame] | 850 | mr = (struct p54_tx_info *)ni->rate_driver_data; |
Max Filippov | 7c5a189 | 2009-05-06 01:47:02 +0400 | [diff] [blame] | 851 | } |
Christian Lamparter | b92f30d | 2008-10-15 04:07:16 +0200 | [diff] [blame] | 852 | __skb_unlink(skb, &priv->tx_queue); |
| 853 | spin_unlock_irqrestore(&priv->tx_queue.lock, flags); |
Christian Lamparter | 0a5ec96 | 2008-12-14 15:05:42 +0100 | [diff] [blame] | 854 | dev_kfree_skb_any(skb); |
Max Filippov | 7c5a189 | 2009-05-06 01:47:02 +0400 | [diff] [blame] | 855 | p54_wake_free_queues(dev); |
Christian Lamparter | b92f30d | 2008-10-15 04:07:16 +0200 | [diff] [blame] | 856 | } |
| 857 | EXPORT_SYMBOL_GPL(p54_free_skb); |
| 858 | |
Christian Lamparter | 54fdb04 | 2008-12-13 14:14:20 +0100 | [diff] [blame] | 859 | static struct sk_buff *p54_find_tx_entry(struct ieee80211_hw *dev, |
| 860 | __le32 req_id) |
| 861 | { |
| 862 | struct p54_common *priv = dev->priv; |
Christian Lamparter | c035002 | 2009-03-06 00:53:59 +0100 | [diff] [blame] | 863 | struct sk_buff *entry; |
Christian Lamparter | 54fdb04 | 2008-12-13 14:14:20 +0100 | [diff] [blame] | 864 | unsigned long flags; |
| 865 | |
| 866 | spin_lock_irqsave(&priv->tx_queue.lock, flags); |
David S. Miller | 0ca1b08 | 2009-07-06 12:49:18 -0700 | [diff] [blame^] | 867 | entry = priv->tx_queue.next; |
| 868 | while (entry != (struct sk_buff *)&priv->tx_queue) { |
Christian Lamparter | 54fdb04 | 2008-12-13 14:14:20 +0100 | [diff] [blame] | 869 | struct p54_hdr *hdr = (struct p54_hdr *) entry->data; |
| 870 | |
| 871 | if (hdr->req_id == req_id) { |
| 872 | spin_unlock_irqrestore(&priv->tx_queue.lock, flags); |
| 873 | return entry; |
| 874 | } |
David S. Miller | 0ca1b08 | 2009-07-06 12:49:18 -0700 | [diff] [blame^] | 875 | entry = entry->next; |
Christian Lamparter | 54fdb04 | 2008-12-13 14:14:20 +0100 | [diff] [blame] | 876 | } |
| 877 | spin_unlock_irqrestore(&priv->tx_queue.lock, flags); |
| 878 | return NULL; |
| 879 | } |
| 880 | |
Michael Wu | eff1a59 | 2007-09-25 18:11:01 -0700 | [diff] [blame] | 881 | static void p54_rx_frame_sent(struct ieee80211_hw *dev, struct sk_buff *skb) |
| 882 | { |
| 883 | struct p54_common *priv = dev->priv; |
John W. Linville | 27df605 | 2008-10-22 16:41:55 -0400 | [diff] [blame] | 884 | struct p54_hdr *hdr = (struct p54_hdr *) skb->data; |
| 885 | struct p54_frame_sent *payload = (struct p54_frame_sent *) hdr->data; |
Christian Lamparter | c035002 | 2009-03-06 00:53:59 +0100 | [diff] [blame] | 886 | struct sk_buff *entry; |
Christian Lamparter | 4e416a6 | 2008-09-01 22:48:41 +0200 | [diff] [blame] | 887 | u32 addr = le32_to_cpu(hdr->req_id) - priv->headroom; |
Christian Lamparter | 3cd08b3 | 2009-01-09 21:06:06 +0100 | [diff] [blame] | 888 | struct p54_tx_info *range = NULL; |
Chr | 031d10e | 2008-08-24 03:15:06 +0200 | [diff] [blame] | 889 | unsigned long flags; |
Johannes Berg | c12abae | 2008-10-14 16:56:51 +0200 | [diff] [blame] | 890 | int count, idx; |
Michael Wu | eff1a59 | 2007-09-25 18:11:01 -0700 | [diff] [blame] | 891 | |
Chr | 031d10e | 2008-08-24 03:15:06 +0200 | [diff] [blame] | 892 | spin_lock_irqsave(&priv->tx_queue.lock, flags); |
David S. Miller | 0ca1b08 | 2009-07-06 12:49:18 -0700 | [diff] [blame^] | 893 | entry = (struct sk_buff *) priv->tx_queue.next; |
| 894 | while (entry != (struct sk_buff *)&priv->tx_queue) { |
Johannes Berg | 552fe53 | 2008-05-30 21:07:15 +0200 | [diff] [blame] | 895 | struct ieee80211_tx_info *info = IEEE80211_SKB_CB(entry); |
John W. Linville | 27df605 | 2008-10-22 16:41:55 -0400 | [diff] [blame] | 896 | struct p54_hdr *entry_hdr; |
| 897 | struct p54_tx_data *entry_data; |
Christian Lamparter | 12da401 | 2009-01-19 16:08:48 +0100 | [diff] [blame] | 898 | unsigned int pad = 0, frame_len; |
Christian Lamparter | 9de5776f | 2008-10-15 04:05:51 +0200 | [diff] [blame] | 899 | |
Johannes Berg | e6a9854 | 2008-10-21 12:40:02 +0200 | [diff] [blame] | 900 | range = (void *)info->rate_driver_data; |
David S. Miller | 0ca1b08 | 2009-07-06 12:49:18 -0700 | [diff] [blame^] | 901 | if (range->start_addr != addr) { |
| 902 | entry = entry->next; |
Christian Lamparter | 9de5776f | 2008-10-15 04:05:51 +0200 | [diff] [blame] | 903 | continue; |
David S. Miller | 0ca1b08 | 2009-07-06 12:49:18 -0700 | [diff] [blame^] | 904 | } |
Chr | 031d10e | 2008-08-24 03:15:06 +0200 | [diff] [blame] | 905 | |
David S. Miller | 0ca1b08 | 2009-07-06 12:49:18 -0700 | [diff] [blame^] | 906 | if (entry->next != (struct sk_buff *)&priv->tx_queue) { |
Christian Lamparter | 9de5776f | 2008-10-15 04:05:51 +0200 | [diff] [blame] | 907 | struct ieee80211_tx_info *ni; |
Christian Lamparter | 3cd08b3 | 2009-01-09 21:06:06 +0100 | [diff] [blame] | 908 | struct p54_tx_info *mr; |
Johannes Berg | c12abae | 2008-10-14 16:56:51 +0200 | [diff] [blame] | 909 | |
David S. Miller | 0ca1b08 | 2009-07-06 12:49:18 -0700 | [diff] [blame^] | 910 | ni = IEEE80211_SKB_CB(entry->next); |
Christian Lamparter | 3cd08b3 | 2009-01-09 21:06:06 +0100 | [diff] [blame] | 911 | mr = (struct p54_tx_info *)ni->rate_driver_data; |
Max Filippov | 7c5a189 | 2009-05-06 01:47:02 +0400 | [diff] [blame] | 912 | } |
Christian Lamparter | 9de5776f | 2008-10-15 04:05:51 +0200 | [diff] [blame] | 913 | |
Christian Lamparter | 9de5776f | 2008-10-15 04:05:51 +0200 | [diff] [blame] | 914 | __skb_unlink(entry, &priv->tx_queue); |
| 915 | spin_unlock_irqrestore(&priv->tx_queue.lock, flags); |
| 916 | |
Christian Lamparter | 12da401 | 2009-01-19 16:08:48 +0100 | [diff] [blame] | 917 | frame_len = entry->len; |
Christian Lamparter | c772a08 | 2008-11-29 22:33:57 +0100 | [diff] [blame] | 918 | entry_hdr = (struct p54_hdr *) entry->data; |
| 919 | entry_data = (struct p54_tx_data *) entry_hdr->data; |
| 920 | priv->tx_stats[entry_data->hw_queue].len--; |
Christian Lamparter | ee370ce | 2008-12-13 16:45:38 +0100 | [diff] [blame] | 921 | priv->stats.dot11ACKFailureCount += payload->tries - 1; |
Christian Lamparter | c772a08 | 2008-11-29 22:33:57 +0100 | [diff] [blame] | 922 | |
Christian Lamparter | 29701e5 | 2008-12-21 22:52:10 +0100 | [diff] [blame] | 923 | /* |
| 924 | * Frames in P54_QUEUE_FWSCAN and P54_QUEUE_BEACON are |
| 925 | * generated by the driver. Therefore tx_status is bogus |
| 926 | * and we don't want to confuse the mac80211 stack. |
| 927 | */ |
| 928 | if (unlikely(entry_data->hw_queue < P54_QUEUE_FWSCAN)) { |
| 929 | if (entry_data->hw_queue == P54_QUEUE_BEACON) |
| 930 | priv->cached_beacon = NULL; |
| 931 | |
Christian Lamparter | e5ea92a | 2008-10-18 23:19:00 +0200 | [diff] [blame] | 932 | kfree_skb(entry); |
Christian Lamparter | e5ea92a | 2008-10-18 23:19:00 +0200 | [diff] [blame] | 933 | goto out; |
| 934 | } |
| 935 | |
Christian Lamparter | 9de5776f | 2008-10-15 04:05:51 +0200 | [diff] [blame] | 936 | /* |
| 937 | * Clear manually, ieee80211_tx_info_clear_status would |
| 938 | * clear the counts too and we need them. |
| 939 | */ |
| 940 | memset(&info->status.ampdu_ack_len, 0, |
| 941 | sizeof(struct ieee80211_tx_info) - |
| 942 | offsetof(struct ieee80211_tx_info, status.ampdu_ack_len)); |
| 943 | BUILD_BUG_ON(offsetof(struct ieee80211_tx_info, |
| 944 | status.ampdu_ack_len) != 23); |
| 945 | |
John W. Linville | 27df605 | 2008-10-22 16:41:55 -0400 | [diff] [blame] | 946 | if (entry_hdr->flags & cpu_to_le16(P54_HDR_FLAG_DATA_ALIGN)) |
Christian Lamparter | 9de5776f | 2008-10-15 04:05:51 +0200 | [diff] [blame] | 947 | pad = entry_data->align[0]; |
| 948 | |
| 949 | /* walk through the rates array and adjust the counts */ |
John W. Linville | 27df605 | 2008-10-22 16:41:55 -0400 | [diff] [blame] | 950 | count = payload->tries; |
Christian Lamparter | 9de5776f | 2008-10-15 04:05:51 +0200 | [diff] [blame] | 951 | for (idx = 0; idx < 4; idx++) { |
| 952 | if (count >= info->status.rates[idx].count) { |
| 953 | count -= info->status.rates[idx].count; |
| 954 | } else if (count > 0) { |
| 955 | info->status.rates[idx].count = count; |
| 956 | count = 0; |
| 957 | } else { |
| 958 | info->status.rates[idx].idx = -1; |
| 959 | info->status.rates[idx].count = 0; |
| 960 | } |
| 961 | } |
| 962 | |
Christian Lamparter | 9de5776f | 2008-10-15 04:05:51 +0200 | [diff] [blame] | 963 | if (!(info->flags & IEEE80211_TX_CTL_NO_ACK) && |
| 964 | (!payload->status)) |
| 965 | info->flags |= IEEE80211_TX_STAT_ACK; |
Christian Lamparter | 9e7f3f8 | 2008-10-18 23:18:01 +0200 | [diff] [blame] | 966 | if (payload->status & P54_TX_PSM_CANCELLED) |
Christian Lamparter | 9de5776f | 2008-10-15 04:05:51 +0200 | [diff] [blame] | 967 | info->flags |= IEEE80211_TX_STAT_TX_FILTERED; |
| 968 | info->status.ack_signal = p54_rssi_to_dbm(dev, |
John W. Linville | 27df605 | 2008-10-22 16:41:55 -0400 | [diff] [blame] | 969 | (int)payload->ack_rssi); |
Christian Lamparter | c1d34c1 | 2008-12-20 02:21:37 +0100 | [diff] [blame] | 970 | |
Christian Lamparter | 12da401 | 2009-01-19 16:08:48 +0100 | [diff] [blame] | 971 | /* Undo all changes to the frame. */ |
| 972 | switch (entry_data->key_type) { |
| 973 | case P54_CRYPTO_TKIPMICHAEL: { |
Christian Lamparter | c1d34c1 | 2008-12-20 02:21:37 +0100 | [diff] [blame] | 974 | u8 *iv = (u8 *)(entry_data->align + pad + |
Christian Lamparter | 12da401 | 2009-01-19 16:08:48 +0100 | [diff] [blame] | 975 | entry_data->crypt_offset); |
Christian Lamparter | c1d34c1 | 2008-12-20 02:21:37 +0100 | [diff] [blame] | 976 | |
| 977 | /* Restore the original TKIP IV. */ |
| 978 | iv[2] = iv[0]; |
| 979 | iv[0] = iv[1]; |
| 980 | iv[1] = (iv[0] | 0x20) & 0x7f; /* WEPSeed - 8.3.2.2 */ |
Christian Lamparter | 12da401 | 2009-01-19 16:08:48 +0100 | [diff] [blame] | 981 | |
| 982 | frame_len -= 12; /* remove TKIP_MMIC + TKIP_ICV */ |
| 983 | break; |
| 984 | } |
| 985 | case P54_CRYPTO_AESCCMP: |
| 986 | frame_len -= 8; /* remove CCMP_MIC */ |
| 987 | break; |
| 988 | case P54_CRYPTO_WEP: |
| 989 | frame_len -= 4; /* remove WEP_ICV */ |
| 990 | break; |
Christian Lamparter | c1d34c1 | 2008-12-20 02:21:37 +0100 | [diff] [blame] | 991 | } |
Christian Lamparter | 12da401 | 2009-01-19 16:08:48 +0100 | [diff] [blame] | 992 | skb_trim(entry, frame_len); |
Christian Lamparter | 9de5776f | 2008-10-15 04:05:51 +0200 | [diff] [blame] | 993 | skb_pull(entry, sizeof(*hdr) + pad + sizeof(*entry_data)); |
| 994 | ieee80211_tx_status_irqsafe(dev, entry); |
| 995 | goto out; |
Michael Wu | eff1a59 | 2007-09-25 18:11:01 -0700 | [diff] [blame] | 996 | } |
Chr | 031d10e | 2008-08-24 03:15:06 +0200 | [diff] [blame] | 997 | spin_unlock_irqrestore(&priv->tx_queue.lock, flags); |
Michael Wu | eff1a59 | 2007-09-25 18:11:01 -0700 | [diff] [blame] | 998 | |
Chr | 031d10e | 2008-08-24 03:15:06 +0200 | [diff] [blame] | 999 | out: |
Max Filippov | 7c5a189 | 2009-05-06 01:47:02 +0400 | [diff] [blame] | 1000 | p54_wake_free_queues(dev); |
Michael Wu | eff1a59 | 2007-09-25 18:11:01 -0700 | [diff] [blame] | 1001 | } |
| 1002 | |
Christian Lamparter | 7cb7707 | 2008-09-01 22:48:51 +0200 | [diff] [blame] | 1003 | static void p54_rx_eeprom_readback(struct ieee80211_hw *dev, |
| 1004 | struct sk_buff *skb) |
| 1005 | { |
John W. Linville | 27df605 | 2008-10-22 16:41:55 -0400 | [diff] [blame] | 1006 | struct p54_hdr *hdr = (struct p54_hdr *) skb->data; |
Christian Lamparter | 7cb7707 | 2008-09-01 22:48:51 +0200 | [diff] [blame] | 1007 | struct p54_eeprom_lm86 *eeprom = (struct p54_eeprom_lm86 *) hdr->data; |
| 1008 | struct p54_common *priv = dev->priv; |
| 1009 | |
| 1010 | if (!priv->eeprom) |
| 1011 | return ; |
| 1012 | |
Christian Lamparter | 64c354d | 2008-11-29 22:35:43 +0100 | [diff] [blame] | 1013 | if (priv->fw_var >= 0x509) { |
| 1014 | memcpy(priv->eeprom, eeprom->v2.data, |
| 1015 | le16_to_cpu(eeprom->v2.len)); |
| 1016 | } else { |
| 1017 | memcpy(priv->eeprom, eeprom->v1.data, |
| 1018 | le16_to_cpu(eeprom->v1.len)); |
| 1019 | } |
Christian Lamparter | 7cb7707 | 2008-09-01 22:48:51 +0200 | [diff] [blame] | 1020 | |
| 1021 | complete(&priv->eeprom_comp); |
| 1022 | } |
| 1023 | |
Christian Lamparter | cc6de66 | 2008-09-06 02:56:23 +0200 | [diff] [blame] | 1024 | static void p54_rx_stats(struct ieee80211_hw *dev, struct sk_buff *skb) |
| 1025 | { |
| 1026 | struct p54_common *priv = dev->priv; |
John W. Linville | 27df605 | 2008-10-22 16:41:55 -0400 | [diff] [blame] | 1027 | struct p54_hdr *hdr = (struct p54_hdr *) skb->data; |
Christian Lamparter | cc6de66 | 2008-09-06 02:56:23 +0200 | [diff] [blame] | 1028 | struct p54_statistics *stats = (struct p54_statistics *) hdr->data; |
Christian Lamparter | 54fdb04 | 2008-12-13 14:14:20 +0100 | [diff] [blame] | 1029 | u32 tsf32; |
Christian Lamparter | cc6de66 | 2008-09-06 02:56:23 +0200 | [diff] [blame] | 1030 | |
Christian Lamparter | 54fdb04 | 2008-12-13 14:14:20 +0100 | [diff] [blame] | 1031 | if (unlikely(priv->mode == NL80211_IFTYPE_UNSPECIFIED)) |
| 1032 | return ; |
| 1033 | |
| 1034 | tsf32 = le32_to_cpu(stats->tsf32); |
Christian Lamparter | cc6de66 | 2008-09-06 02:56:23 +0200 | [diff] [blame] | 1035 | if (tsf32 < priv->tsf_low32) |
| 1036 | priv->tsf_high32++; |
| 1037 | priv->tsf_low32 = tsf32; |
| 1038 | |
| 1039 | priv->stats.dot11RTSFailureCount = le32_to_cpu(stats->rts_fail); |
| 1040 | priv->stats.dot11RTSSuccessCount = le32_to_cpu(stats->rts_success); |
| 1041 | priv->stats.dot11FCSErrorCount = le32_to_cpu(stats->rx_bad_fcs); |
| 1042 | |
| 1043 | priv->noise = p54_rssi_to_dbm(dev, le32_to_cpu(stats->noise)); |
Christian Lamparter | cc6de66 | 2008-09-06 02:56:23 +0200 | [diff] [blame] | 1044 | |
Christian Lamparter | 54fdb04 | 2008-12-13 14:14:20 +0100 | [diff] [blame] | 1045 | p54_free_skb(dev, p54_find_tx_entry(dev, hdr->req_id)); |
Christian Lamparter | cc6de66 | 2008-09-06 02:56:23 +0200 | [diff] [blame] | 1046 | } |
| 1047 | |
Christian Lamparter | e5ea92a | 2008-10-18 23:19:00 +0200 | [diff] [blame] | 1048 | static void p54_rx_trap(struct ieee80211_hw *dev, struct sk_buff *skb) |
| 1049 | { |
Christian Lamparter | f13027a | 2009-03-25 03:12:49 +0100 | [diff] [blame] | 1050 | struct p54_common *priv = dev->priv; |
Christian Lamparter | e5ea92a | 2008-10-18 23:19:00 +0200 | [diff] [blame] | 1051 | struct p54_hdr *hdr = (struct p54_hdr *) skb->data; |
| 1052 | struct p54_trap *trap = (struct p54_trap *) hdr->data; |
| 1053 | u16 event = le16_to_cpu(trap->event); |
| 1054 | u16 freq = le16_to_cpu(trap->frequency); |
| 1055 | |
| 1056 | switch (event) { |
| 1057 | case P54_TRAP_BEACON_TX: |
| 1058 | break; |
| 1059 | case P54_TRAP_RADAR: |
| 1060 | printk(KERN_INFO "%s: radar (freq:%d MHz)\n", |
| 1061 | wiphy_name(dev->wiphy), freq); |
| 1062 | break; |
| 1063 | case P54_TRAP_NO_BEACON: |
Christian Lamparter | f13027a | 2009-03-25 03:12:49 +0100 | [diff] [blame] | 1064 | if (priv->vif) |
| 1065 | ieee80211_beacon_loss(priv->vif); |
Christian Lamparter | e5ea92a | 2008-10-18 23:19:00 +0200 | [diff] [blame] | 1066 | break; |
| 1067 | case P54_TRAP_SCAN: |
| 1068 | break; |
| 1069 | case P54_TRAP_TBTT: |
| 1070 | break; |
| 1071 | case P54_TRAP_TIMER: |
| 1072 | break; |
| 1073 | default: |
| 1074 | printk(KERN_INFO "%s: received event:%x freq:%d\n", |
| 1075 | wiphy_name(dev->wiphy), event, freq); |
| 1076 | break; |
| 1077 | } |
| 1078 | } |
| 1079 | |
Christian Lamparter | 19c19d5 | 2008-09-03 22:25:25 +0200 | [diff] [blame] | 1080 | static int p54_rx_control(struct ieee80211_hw *dev, struct sk_buff *skb) |
Michael Wu | eff1a59 | 2007-09-25 18:11:01 -0700 | [diff] [blame] | 1081 | { |
John W. Linville | 27df605 | 2008-10-22 16:41:55 -0400 | [diff] [blame] | 1082 | struct p54_hdr *hdr = (struct p54_hdr *) skb->data; |
Michael Wu | eff1a59 | 2007-09-25 18:11:01 -0700 | [diff] [blame] | 1083 | |
| 1084 | switch (le16_to_cpu(hdr->type)) { |
| 1085 | case P54_CONTROL_TYPE_TXDONE: |
| 1086 | p54_rx_frame_sent(dev, skb); |
| 1087 | break; |
Christian Lamparter | e5ea92a | 2008-10-18 23:19:00 +0200 | [diff] [blame] | 1088 | case P54_CONTROL_TYPE_TRAP: |
| 1089 | p54_rx_trap(dev, skb); |
| 1090 | break; |
Michael Wu | eff1a59 | 2007-09-25 18:11:01 -0700 | [diff] [blame] | 1091 | case P54_CONTROL_TYPE_BBP: |
| 1092 | break; |
Christian Lamparter | cc6de66 | 2008-09-06 02:56:23 +0200 | [diff] [blame] | 1093 | case P54_CONTROL_TYPE_STAT_READBACK: |
| 1094 | p54_rx_stats(dev, skb); |
| 1095 | break; |
Christian Lamparter | 7cb7707 | 2008-09-01 22:48:51 +0200 | [diff] [blame] | 1096 | case P54_CONTROL_TYPE_EEPROM_READBACK: |
| 1097 | p54_rx_eeprom_readback(dev, skb); |
| 1098 | break; |
Michael Wu | eff1a59 | 2007-09-25 18:11:01 -0700 | [diff] [blame] | 1099 | default: |
| 1100 | printk(KERN_DEBUG "%s: not handling 0x%02x type control frame\n", |
| 1101 | wiphy_name(dev->wiphy), le16_to_cpu(hdr->type)); |
| 1102 | break; |
| 1103 | } |
Christian Lamparter | 19c19d5 | 2008-09-03 22:25:25 +0200 | [diff] [blame] | 1104 | |
| 1105 | return 0; |
Michael Wu | eff1a59 | 2007-09-25 18:11:01 -0700 | [diff] [blame] | 1106 | } |
| 1107 | |
| 1108 | /* returns zero if skb can be reused */ |
| 1109 | int p54_rx(struct ieee80211_hw *dev, struct sk_buff *skb) |
| 1110 | { |
Christian Lamparter | 9e7f3f8 | 2008-10-18 23:18:01 +0200 | [diff] [blame] | 1111 | u16 type = le16_to_cpu(*((__le16 *)skb->data)); |
Christian Lamparter | 19c19d5 | 2008-09-03 22:25:25 +0200 | [diff] [blame] | 1112 | |
Christian Lamparter | 9e7f3f8 | 2008-10-18 23:18:01 +0200 | [diff] [blame] | 1113 | if (type & P54_HDR_FLAG_CONTROL) |
Christian Lamparter | 19c19d5 | 2008-09-03 22:25:25 +0200 | [diff] [blame] | 1114 | return p54_rx_control(dev, skb); |
| 1115 | else |
| 1116 | return p54_rx_data(dev, skb); |
Michael Wu | eff1a59 | 2007-09-25 18:11:01 -0700 | [diff] [blame] | 1117 | } |
| 1118 | EXPORT_SYMBOL_GPL(p54_rx); |
| 1119 | |
| 1120 | /* |
| 1121 | * So, the firmware is somewhat stupid and doesn't know what places in its |
| 1122 | * memory incoming data should go to. By poking around in the firmware, we |
| 1123 | * can find some unused memory to upload our packets to. However, data that we |
| 1124 | * want the card to TX needs to stay intact until the card has told us that |
| 1125 | * it is done with it. This function finds empty places we can upload to and |
Christian Lamparter | 3cd08b3 | 2009-01-09 21:06:06 +0100 | [diff] [blame] | 1126 | * marks allocated areas as reserved if necessary. p54_rx_frame_sent or |
| 1127 | * p54_free_skb frees allocated areas. |
Michael Wu | eff1a59 | 2007-09-25 18:11:01 -0700 | [diff] [blame] | 1128 | */ |
Christian Lamparter | b92f30d | 2008-10-15 04:07:16 +0200 | [diff] [blame] | 1129 | static int p54_assign_address(struct ieee80211_hw *dev, struct sk_buff *skb, |
John W. Linville | 27df605 | 2008-10-22 16:41:55 -0400 | [diff] [blame] | 1130 | struct p54_hdr *data, u32 len) |
Michael Wu | eff1a59 | 2007-09-25 18:11:01 -0700 | [diff] [blame] | 1131 | { |
| 1132 | struct p54_common *priv = dev->priv; |
Christian Lamparter | c035002 | 2009-03-06 00:53:59 +0100 | [diff] [blame] | 1133 | struct sk_buff *entry; |
Michael Wu | eff1a59 | 2007-09-25 18:11:01 -0700 | [diff] [blame] | 1134 | struct sk_buff *target_skb = NULL; |
Christian Lamparter | b92f30d | 2008-10-15 04:07:16 +0200 | [diff] [blame] | 1135 | struct ieee80211_tx_info *info; |
Christian Lamparter | 3cd08b3 | 2009-01-09 21:06:06 +0100 | [diff] [blame] | 1136 | struct p54_tx_info *range; |
Michael Wu | eff1a59 | 2007-09-25 18:11:01 -0700 | [diff] [blame] | 1137 | u32 last_addr = priv->rx_start; |
| 1138 | u32 largest_hole = 0; |
| 1139 | u32 target_addr = priv->rx_start; |
| 1140 | unsigned long flags; |
| 1141 | unsigned int left; |
Christian Lamparter | 4e416a6 | 2008-09-01 22:48:41 +0200 | [diff] [blame] | 1142 | len = (len + priv->headroom + priv->tailroom + 3) & ~0x3; |
Michael Wu | eff1a59 | 2007-09-25 18:11:01 -0700 | [diff] [blame] | 1143 | |
Christian Lamparter | b92f30d | 2008-10-15 04:07:16 +0200 | [diff] [blame] | 1144 | if (!skb) |
| 1145 | return -EINVAL; |
| 1146 | |
Michael Wu | eff1a59 | 2007-09-25 18:11:01 -0700 | [diff] [blame] | 1147 | spin_lock_irqsave(&priv->tx_queue.lock, flags); |
Christian Lamparter | 39ca5bb | 2008-12-09 21:09:00 +0100 | [diff] [blame] | 1148 | |
Michael Wu | eff1a59 | 2007-09-25 18:11:01 -0700 | [diff] [blame] | 1149 | left = skb_queue_len(&priv->tx_queue); |
Christian Lamparter | 39ca5bb | 2008-12-09 21:09:00 +0100 | [diff] [blame] | 1150 | if (unlikely(left >= 28)) { |
| 1151 | /* |
| 1152 | * The tx_queue is nearly full! |
| 1153 | * We have throttle normal data traffic, because we must |
| 1154 | * have a few spare slots for control frames left. |
| 1155 | */ |
| 1156 | ieee80211_stop_queues(dev); |
Christian Lamparter | 54fdb04 | 2008-12-13 14:14:20 +0100 | [diff] [blame] | 1157 | queue_delayed_work(dev->workqueue, &priv->work, |
| 1158 | msecs_to_jiffies(P54_TX_TIMEOUT)); |
Christian Lamparter | 39ca5bb | 2008-12-09 21:09:00 +0100 | [diff] [blame] | 1159 | |
| 1160 | if (unlikely(left == 32)) { |
| 1161 | /* |
| 1162 | * The tx_queue is now really full. |
| 1163 | * |
| 1164 | * TODO: check if the device has crashed and reset it. |
| 1165 | */ |
| 1166 | spin_unlock_irqrestore(&priv->tx_queue.lock, flags); |
| 1167 | return -ENOSPC; |
| 1168 | } |
| 1169 | } |
| 1170 | |
David S. Miller | 0ca1b08 | 2009-07-06 12:49:18 -0700 | [diff] [blame^] | 1171 | entry = priv->tx_queue.next; |
| 1172 | while (left--) { |
Michael Wu | eff1a59 | 2007-09-25 18:11:01 -0700 | [diff] [blame] | 1173 | u32 hole_size; |
Christian Lamparter | b92f30d | 2008-10-15 04:07:16 +0200 | [diff] [blame] | 1174 | info = IEEE80211_SKB_CB(entry); |
| 1175 | range = (void *)info->rate_driver_data; |
Michael Wu | eff1a59 | 2007-09-25 18:11:01 -0700 | [diff] [blame] | 1176 | hole_size = range->start_addr - last_addr; |
| 1177 | if (!target_skb && hole_size >= len) { |
David S. Miller | 0ca1b08 | 2009-07-06 12:49:18 -0700 | [diff] [blame^] | 1178 | target_skb = entry->prev; |
Michael Wu | eff1a59 | 2007-09-25 18:11:01 -0700 | [diff] [blame] | 1179 | hole_size -= len; |
| 1180 | target_addr = last_addr; |
| 1181 | } |
| 1182 | largest_hole = max(largest_hole, hole_size); |
| 1183 | last_addr = range->end_addr; |
David S. Miller | 0ca1b08 | 2009-07-06 12:49:18 -0700 | [diff] [blame^] | 1184 | entry = entry->next; |
Michael Wu | eff1a59 | 2007-09-25 18:11:01 -0700 | [diff] [blame] | 1185 | } |
| 1186 | if (!target_skb && priv->rx_end - last_addr >= len) { |
David S. Miller | 0ca1b08 | 2009-07-06 12:49:18 -0700 | [diff] [blame^] | 1187 | target_skb = priv->tx_queue.prev; |
Michael Wu | eff1a59 | 2007-09-25 18:11:01 -0700 | [diff] [blame] | 1188 | largest_hole = max(largest_hole, priv->rx_end - last_addr - len); |
| 1189 | if (!skb_queue_empty(&priv->tx_queue)) { |
Christian Lamparter | b92f30d | 2008-10-15 04:07:16 +0200 | [diff] [blame] | 1190 | info = IEEE80211_SKB_CB(target_skb); |
| 1191 | range = (void *)info->rate_driver_data; |
Michael Wu | eff1a59 | 2007-09-25 18:11:01 -0700 | [diff] [blame] | 1192 | target_addr = range->end_addr; |
| 1193 | } |
| 1194 | } else |
| 1195 | largest_hole = max(largest_hole, priv->rx_end - last_addr); |
| 1196 | |
Christian Lamparter | b92f30d | 2008-10-15 04:07:16 +0200 | [diff] [blame] | 1197 | if (!target_skb) { |
| 1198 | spin_unlock_irqrestore(&priv->tx_queue.lock, flags); |
| 1199 | ieee80211_stop_queues(dev); |
Christian Lamparter | 39ca5bb | 2008-12-09 21:09:00 +0100 | [diff] [blame] | 1200 | return -ENOSPC; |
Michael Wu | eff1a59 | 2007-09-25 18:11:01 -0700 | [diff] [blame] | 1201 | } |
Christian Lamparter | b92f30d | 2008-10-15 04:07:16 +0200 | [diff] [blame] | 1202 | |
| 1203 | info = IEEE80211_SKB_CB(skb); |
| 1204 | range = (void *)info->rate_driver_data; |
| 1205 | range->start_addr = target_addr; |
| 1206 | range->end_addr = target_addr + len; |
| 1207 | __skb_queue_after(&priv->tx_queue, target_skb, skb); |
Michael Wu | eff1a59 | 2007-09-25 18:11:01 -0700 | [diff] [blame] | 1208 | spin_unlock_irqrestore(&priv->tx_queue.lock, flags); |
| 1209 | |
John W. Linville | 27df605 | 2008-10-22 16:41:55 -0400 | [diff] [blame] | 1210 | if (largest_hole < priv->headroom + sizeof(struct p54_hdr) + |
Christian Lamparter | b92f30d | 2008-10-15 04:07:16 +0200 | [diff] [blame] | 1211 | 48 + IEEE80211_MAX_RTS_THRESHOLD + priv->tailroom) |
| 1212 | ieee80211_stop_queues(dev); |
| 1213 | |
Christian Lamparter | 4e416a6 | 2008-09-01 22:48:41 +0200 | [diff] [blame] | 1214 | data->req_id = cpu_to_le32(target_addr + priv->headroom); |
Christian Lamparter | b92f30d | 2008-10-15 04:07:16 +0200 | [diff] [blame] | 1215 | return 0; |
| 1216 | } |
| 1217 | |
Christian Lamparter | 63f2dc9 | 2009-01-09 21:05:31 +0100 | [diff] [blame] | 1218 | static struct sk_buff *p54_alloc_skb(struct ieee80211_hw *dev, u16 hdr_flags, |
| 1219 | u16 payload_len, u16 type, gfp_t memflags) |
Christian Lamparter | b92f30d | 2008-10-15 04:07:16 +0200 | [diff] [blame] | 1220 | { |
| 1221 | struct p54_common *priv = dev->priv; |
John W. Linville | 27df605 | 2008-10-22 16:41:55 -0400 | [diff] [blame] | 1222 | struct p54_hdr *hdr; |
Christian Lamparter | b92f30d | 2008-10-15 04:07:16 +0200 | [diff] [blame] | 1223 | struct sk_buff *skb; |
Christian Lamparter | 63f2dc9 | 2009-01-09 21:05:31 +0100 | [diff] [blame] | 1224 | size_t frame_len = sizeof(*hdr) + payload_len; |
Christian Lamparter | b92f30d | 2008-10-15 04:07:16 +0200 | [diff] [blame] | 1225 | |
Christian Lamparter | 63f2dc9 | 2009-01-09 21:05:31 +0100 | [diff] [blame] | 1226 | if (frame_len > P54_MAX_CTRL_FRAME_LEN) |
| 1227 | return NULL; |
| 1228 | |
| 1229 | skb = __dev_alloc_skb(priv->tx_hdr_len + frame_len, memflags); |
Christian Lamparter | b92f30d | 2008-10-15 04:07:16 +0200 | [diff] [blame] | 1230 | if (!skb) |
| 1231 | return NULL; |
| 1232 | skb_reserve(skb, priv->tx_hdr_len); |
| 1233 | |
John W. Linville | 27df605 | 2008-10-22 16:41:55 -0400 | [diff] [blame] | 1234 | hdr = (struct p54_hdr *) skb_put(skb, sizeof(*hdr)); |
| 1235 | hdr->flags = cpu_to_le16(hdr_flags); |
Christian Lamparter | 63f2dc9 | 2009-01-09 21:05:31 +0100 | [diff] [blame] | 1236 | hdr->len = cpu_to_le16(payload_len); |
Christian Lamparter | b92f30d | 2008-10-15 04:07:16 +0200 | [diff] [blame] | 1237 | hdr->type = cpu_to_le16(type); |
John W. Linville | 27df605 | 2008-10-22 16:41:55 -0400 | [diff] [blame] | 1238 | hdr->tries = hdr->rts_tries = 0; |
Christian Lamparter | b92f30d | 2008-10-15 04:07:16 +0200 | [diff] [blame] | 1239 | |
Christian Lamparter | 63f2dc9 | 2009-01-09 21:05:31 +0100 | [diff] [blame] | 1240 | if (p54_assign_address(dev, skb, hdr, frame_len)) { |
Christian Lamparter | b92f30d | 2008-10-15 04:07:16 +0200 | [diff] [blame] | 1241 | kfree_skb(skb); |
| 1242 | return NULL; |
| 1243 | } |
| 1244 | return skb; |
Michael Wu | eff1a59 | 2007-09-25 18:11:01 -0700 | [diff] [blame] | 1245 | } |
| 1246 | |
Christian Lamparter | 7cb7707 | 2008-09-01 22:48:51 +0200 | [diff] [blame] | 1247 | int p54_read_eeprom(struct ieee80211_hw *dev) |
| 1248 | { |
| 1249 | struct p54_common *priv = dev->priv; |
Christian Lamparter | 7cb7707 | 2008-09-01 22:48:51 +0200 | [diff] [blame] | 1250 | struct p54_eeprom_lm86 *eeprom_hdr; |
Christian Lamparter | b92f30d | 2008-10-15 04:07:16 +0200 | [diff] [blame] | 1251 | struct sk_buff *skb; |
Christian Lamparter | 64c354d | 2008-11-29 22:35:43 +0100 | [diff] [blame] | 1252 | size_t eeprom_size = 0x2020, offset = 0, blocksize, maxblocksize; |
Christian Lamparter | 7cb7707 | 2008-09-01 22:48:51 +0200 | [diff] [blame] | 1253 | int ret = -ENOMEM; |
| 1254 | void *eeprom = NULL; |
| 1255 | |
Christian Lamparter | 64c354d | 2008-11-29 22:35:43 +0100 | [diff] [blame] | 1256 | maxblocksize = EEPROM_READBACK_LEN; |
| 1257 | if (priv->fw_var >= 0x509) |
| 1258 | maxblocksize -= 0xc; |
| 1259 | else |
| 1260 | maxblocksize -= 0x4; |
| 1261 | |
Christian Lamparter | 63f2dc9 | 2009-01-09 21:05:31 +0100 | [diff] [blame] | 1262 | skb = p54_alloc_skb(dev, P54_HDR_FLAG_CONTROL, sizeof(*eeprom_hdr) + |
| 1263 | maxblocksize, P54_CONTROL_TYPE_EEPROM_READBACK, |
| 1264 | GFP_KERNEL); |
Christian Lamparter | b92f30d | 2008-10-15 04:07:16 +0200 | [diff] [blame] | 1265 | if (!skb) |
Christian Lamparter | 7cb7707 | 2008-09-01 22:48:51 +0200 | [diff] [blame] | 1266 | goto free; |
Christian Lamparter | 7cb7707 | 2008-09-01 22:48:51 +0200 | [diff] [blame] | 1267 | priv->eeprom = kzalloc(EEPROM_READBACK_LEN, GFP_KERNEL); |
| 1268 | if (!priv->eeprom) |
| 1269 | goto free; |
Christian Lamparter | 7cb7707 | 2008-09-01 22:48:51 +0200 | [diff] [blame] | 1270 | eeprom = kzalloc(eeprom_size, GFP_KERNEL); |
| 1271 | if (!eeprom) |
| 1272 | goto free; |
| 1273 | |
Christian Lamparter | b92f30d | 2008-10-15 04:07:16 +0200 | [diff] [blame] | 1274 | eeprom_hdr = (struct p54_eeprom_lm86 *) skb_put(skb, |
Christian Lamparter | 64c354d | 2008-11-29 22:35:43 +0100 | [diff] [blame] | 1275 | sizeof(*eeprom_hdr) + maxblocksize); |
Christian Lamparter | 7cb7707 | 2008-09-01 22:48:51 +0200 | [diff] [blame] | 1276 | |
| 1277 | while (eeprom_size) { |
Christian Lamparter | 64c354d | 2008-11-29 22:35:43 +0100 | [diff] [blame] | 1278 | blocksize = min(eeprom_size, maxblocksize); |
| 1279 | if (priv->fw_var < 0x509) { |
| 1280 | eeprom_hdr->v1.offset = cpu_to_le16(offset); |
| 1281 | eeprom_hdr->v1.len = cpu_to_le16(blocksize); |
| 1282 | } else { |
| 1283 | eeprom_hdr->v2.offset = cpu_to_le32(offset); |
| 1284 | eeprom_hdr->v2.len = cpu_to_le16(blocksize); |
| 1285 | eeprom_hdr->v2.magic2 = 0xf; |
| 1286 | memcpy(eeprom_hdr->v2.magic, (const char *)"LOCK", 4); |
| 1287 | } |
Christian Lamparter | 0a5ec96 | 2008-12-14 15:05:42 +0100 | [diff] [blame] | 1288 | priv->tx(dev, skb); |
Christian Lamparter | 7cb7707 | 2008-09-01 22:48:51 +0200 | [diff] [blame] | 1289 | |
| 1290 | if (!wait_for_completion_interruptible_timeout(&priv->eeprom_comp, HZ)) { |
| 1291 | printk(KERN_ERR "%s: device does not respond!\n", |
| 1292 | wiphy_name(dev->wiphy)); |
| 1293 | ret = -EBUSY; |
| 1294 | goto free; |
| 1295 | } |
| 1296 | |
| 1297 | memcpy(eeprom + offset, priv->eeprom, blocksize); |
| 1298 | offset += blocksize; |
| 1299 | eeprom_size -= blocksize; |
| 1300 | } |
| 1301 | |
| 1302 | ret = p54_parse_eeprom(dev, eeprom, offset); |
| 1303 | free: |
| 1304 | kfree(priv->eeprom); |
| 1305 | priv->eeprom = NULL; |
Christian Lamparter | b92f30d | 2008-10-15 04:07:16 +0200 | [diff] [blame] | 1306 | p54_free_skb(dev, skb); |
Christian Lamparter | 7cb7707 | 2008-09-01 22:48:51 +0200 | [diff] [blame] | 1307 | kfree(eeprom); |
| 1308 | |
| 1309 | return ret; |
| 1310 | } |
| 1311 | EXPORT_SYMBOL_GPL(p54_read_eeprom); |
| 1312 | |
Christian Lamparter | e5ea92a | 2008-10-18 23:19:00 +0200 | [diff] [blame] | 1313 | static int p54_set_tim(struct ieee80211_hw *dev, struct ieee80211_sta *sta, |
| 1314 | bool set) |
| 1315 | { |
| 1316 | struct p54_common *priv = dev->priv; |
| 1317 | struct sk_buff *skb; |
| 1318 | struct p54_tim *tim; |
| 1319 | |
Christian Lamparter | 63f2dc9 | 2009-01-09 21:05:31 +0100 | [diff] [blame] | 1320 | skb = p54_alloc_skb(dev, P54_HDR_FLAG_CONTROL_OPSET, sizeof(*tim), |
| 1321 | P54_CONTROL_TYPE_TIM, GFP_ATOMIC); |
Christian Lamparter | e5ea92a | 2008-10-18 23:19:00 +0200 | [diff] [blame] | 1322 | if (!skb) |
| 1323 | return -ENOMEM; |
| 1324 | |
| 1325 | tim = (struct p54_tim *) skb_put(skb, sizeof(*tim)); |
| 1326 | tim->count = 1; |
| 1327 | tim->entry[0] = cpu_to_le16(set ? (sta->aid | 0x8000) : sta->aid); |
Christian Lamparter | 0a5ec96 | 2008-12-14 15:05:42 +0100 | [diff] [blame] | 1328 | priv->tx(dev, skb); |
Christian Lamparter | e5ea92a | 2008-10-18 23:19:00 +0200 | [diff] [blame] | 1329 | return 0; |
| 1330 | } |
| 1331 | |
| 1332 | static int p54_sta_unlock(struct ieee80211_hw *dev, u8 *addr) |
| 1333 | { |
| 1334 | struct p54_common *priv = dev->priv; |
| 1335 | struct sk_buff *skb; |
| 1336 | struct p54_sta_unlock *sta; |
| 1337 | |
Christian Lamparter | 63f2dc9 | 2009-01-09 21:05:31 +0100 | [diff] [blame] | 1338 | skb = p54_alloc_skb(dev, P54_HDR_FLAG_CONTROL_OPSET, sizeof(*sta), |
| 1339 | P54_CONTROL_TYPE_PSM_STA_UNLOCK, GFP_ATOMIC); |
Christian Lamparter | e5ea92a | 2008-10-18 23:19:00 +0200 | [diff] [blame] | 1340 | if (!skb) |
| 1341 | return -ENOMEM; |
| 1342 | |
| 1343 | sta = (struct p54_sta_unlock *)skb_put(skb, sizeof(*sta)); |
| 1344 | memcpy(sta->addr, addr, ETH_ALEN); |
Christian Lamparter | 0a5ec96 | 2008-12-14 15:05:42 +0100 | [diff] [blame] | 1345 | priv->tx(dev, skb); |
Christian Lamparter | e5ea92a | 2008-10-18 23:19:00 +0200 | [diff] [blame] | 1346 | return 0; |
| 1347 | } |
| 1348 | |
Christian Lamparter | c772a08 | 2008-11-29 22:33:57 +0100 | [diff] [blame] | 1349 | static void p54_sta_notify(struct ieee80211_hw *dev, struct ieee80211_vif *vif, |
| 1350 | enum sta_notify_cmd notify_cmd, |
| 1351 | struct ieee80211_sta *sta) |
| 1352 | { |
| 1353 | switch (notify_cmd) { |
| 1354 | case STA_NOTIFY_ADD: |
| 1355 | case STA_NOTIFY_REMOVE: |
| 1356 | /* |
| 1357 | * Notify the firmware that we don't want or we don't |
| 1358 | * need to buffer frames for this station anymore. |
| 1359 | */ |
| 1360 | |
| 1361 | p54_sta_unlock(dev, sta->addr); |
| 1362 | break; |
Christian Lamparter | 89fad57 | 2008-12-09 16:28:06 +0100 | [diff] [blame] | 1363 | case STA_NOTIFY_AWAKE: |
| 1364 | /* update the firmware's filter table */ |
| 1365 | p54_sta_unlock(dev, sta->addr); |
| 1366 | break; |
Christian Lamparter | c772a08 | 2008-11-29 22:33:57 +0100 | [diff] [blame] | 1367 | default: |
| 1368 | break; |
| 1369 | } |
| 1370 | } |
| 1371 | |
Christian Lamparter | e5ea92a | 2008-10-18 23:19:00 +0200 | [diff] [blame] | 1372 | static int p54_tx_cancel(struct ieee80211_hw *dev, struct sk_buff *entry) |
| 1373 | { |
| 1374 | struct p54_common *priv = dev->priv; |
| 1375 | struct sk_buff *skb; |
| 1376 | struct p54_hdr *hdr; |
| 1377 | struct p54_txcancel *cancel; |
| 1378 | |
Christian Lamparter | 63f2dc9 | 2009-01-09 21:05:31 +0100 | [diff] [blame] | 1379 | skb = p54_alloc_skb(dev, P54_HDR_FLAG_CONTROL_OPSET, sizeof(*cancel), |
| 1380 | P54_CONTROL_TYPE_TXCANCEL, GFP_ATOMIC); |
Christian Lamparter | e5ea92a | 2008-10-18 23:19:00 +0200 | [diff] [blame] | 1381 | if (!skb) |
| 1382 | return -ENOMEM; |
| 1383 | |
| 1384 | hdr = (void *)entry->data; |
| 1385 | cancel = (struct p54_txcancel *)skb_put(skb, sizeof(*cancel)); |
| 1386 | cancel->req_id = hdr->req_id; |
Christian Lamparter | 0a5ec96 | 2008-12-14 15:05:42 +0100 | [diff] [blame] | 1387 | priv->tx(dev, skb); |
Christian Lamparter | e5ea92a | 2008-10-18 23:19:00 +0200 | [diff] [blame] | 1388 | return 0; |
| 1389 | } |
| 1390 | |
Christian Lamparter | 94585b0 | 2008-10-18 23:18:44 +0200 | [diff] [blame] | 1391 | static int p54_tx_fill(struct ieee80211_hw *dev, struct sk_buff *skb, |
| 1392 | struct ieee80211_tx_info *info, u8 *queue, size_t *extra_len, |
| 1393 | u16 *flags, u16 *aid) |
| 1394 | { |
| 1395 | struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)skb->data; |
| 1396 | struct p54_common *priv = dev->priv; |
Christian Lamparter | 29701e5 | 2008-12-21 22:52:10 +0100 | [diff] [blame] | 1397 | int ret = 1; |
Christian Lamparter | 94585b0 | 2008-10-18 23:18:44 +0200 | [diff] [blame] | 1398 | |
| 1399 | switch (priv->mode) { |
Christian Lamparter | 29701e5 | 2008-12-21 22:52:10 +0100 | [diff] [blame] | 1400 | case NL80211_IFTYPE_MONITOR: |
| 1401 | /* |
| 1402 | * We have to set P54_HDR_FLAG_DATA_OUT_PROMISC for |
| 1403 | * every frame in promiscuous/monitor mode. |
| 1404 | * see STSW45x0C LMAC API - page 12. |
| 1405 | */ |
| 1406 | *aid = 0; |
| 1407 | *flags = P54_HDR_FLAG_DATA_OUT_PROMISC; |
| 1408 | *queue += P54_QUEUE_DATA; |
| 1409 | break; |
Christian Lamparter | 94585b0 | 2008-10-18 23:18:44 +0200 | [diff] [blame] | 1410 | case NL80211_IFTYPE_STATION: |
| 1411 | *aid = 1; |
Christian Lamparter | 29701e5 | 2008-12-21 22:52:10 +0100 | [diff] [blame] | 1412 | if (unlikely(ieee80211_is_mgmt(hdr->frame_control))) { |
| 1413 | *queue = P54_QUEUE_MGMT; |
| 1414 | ret = 0; |
| 1415 | } else |
| 1416 | *queue += P54_QUEUE_DATA; |
Christian Lamparter | 94585b0 | 2008-10-18 23:18:44 +0200 | [diff] [blame] | 1417 | break; |
| 1418 | case NL80211_IFTYPE_AP: |
| 1419 | case NL80211_IFTYPE_ADHOC: |
Christian Lamparter | d131bb5 | 2008-11-15 17:02:31 +0100 | [diff] [blame] | 1420 | case NL80211_IFTYPE_MESH_POINT: |
Christian Lamparter | 94585b0 | 2008-10-18 23:18:44 +0200 | [diff] [blame] | 1421 | if (info->flags & IEEE80211_TX_CTL_SEND_AFTER_DTIM) { |
| 1422 | *aid = 0; |
Christian Lamparter | a15bd00 | 2008-12-21 20:54:34 +0100 | [diff] [blame] | 1423 | *queue = P54_QUEUE_CAB; |
Christian Lamparter | 94585b0 | 2008-10-18 23:18:44 +0200 | [diff] [blame] | 1424 | return 0; |
| 1425 | } |
Christian Lamparter | 29701e5 | 2008-12-21 22:52:10 +0100 | [diff] [blame] | 1426 | |
| 1427 | if (unlikely(ieee80211_is_mgmt(hdr->frame_control))) { |
| 1428 | if (ieee80211_is_probe_resp(hdr->frame_control)) { |
| 1429 | *aid = 0; |
| 1430 | *queue = P54_QUEUE_MGMT; |
| 1431 | *flags = P54_HDR_FLAG_DATA_OUT_TIMESTAMP | |
| 1432 | P54_HDR_FLAG_DATA_OUT_NOCANCEL; |
| 1433 | return 0; |
| 1434 | } else if (ieee80211_is_beacon(hdr->frame_control)) { |
| 1435 | *aid = 0; |
| 1436 | |
| 1437 | if (info->flags & IEEE80211_TX_CTL_INJECTED) { |
| 1438 | /* |
| 1439 | * Injecting beacons on top of a AP is |
| 1440 | * not a good idea... nevertheless, |
| 1441 | * it should be doable. |
| 1442 | */ |
| 1443 | |
| 1444 | *queue += P54_QUEUE_DATA; |
| 1445 | return 1; |
| 1446 | } |
| 1447 | |
| 1448 | *flags = P54_HDR_FLAG_DATA_OUT_TIMESTAMP; |
| 1449 | *queue = P54_QUEUE_BEACON; |
| 1450 | *extra_len = IEEE80211_MAX_TIM_LEN; |
| 1451 | return 0; |
| 1452 | } else { |
| 1453 | *queue = P54_QUEUE_MGMT; |
| 1454 | ret = 0; |
| 1455 | } |
| 1456 | } else |
| 1457 | *queue += P54_QUEUE_DATA; |
| 1458 | |
Christian Lamparter | 94585b0 | 2008-10-18 23:18:44 +0200 | [diff] [blame] | 1459 | if (info->control.sta) |
| 1460 | *aid = info->control.sta->aid; |
Christian Lamparter | d577e7c | 2009-04-18 18:30:13 +0200 | [diff] [blame] | 1461 | |
| 1462 | if (info->flags & IEEE80211_TX_CTL_CLEAR_PS_FILT) |
Christian Lamparter | c772a08 | 2008-11-29 22:33:57 +0100 | [diff] [blame] | 1463 | *flags |= P54_HDR_FLAG_DATA_OUT_NOCANCEL; |
Christian Lamparter | 29701e5 | 2008-12-21 22:52:10 +0100 | [diff] [blame] | 1464 | break; |
Christian Lamparter | 94585b0 | 2008-10-18 23:18:44 +0200 | [diff] [blame] | 1465 | } |
| 1466 | return ret; |
| 1467 | } |
| 1468 | |
Christian Lamparter | 25900ef | 2008-11-29 22:34:37 +0100 | [diff] [blame] | 1469 | static u8 p54_convert_algo(enum ieee80211_key_alg alg) |
| 1470 | { |
| 1471 | switch (alg) { |
| 1472 | case ALG_WEP: |
| 1473 | return P54_CRYPTO_WEP; |
| 1474 | case ALG_TKIP: |
| 1475 | return P54_CRYPTO_TKIPMICHAEL; |
| 1476 | case ALG_CCMP: |
| 1477 | return P54_CRYPTO_AESCCMP; |
| 1478 | default: |
| 1479 | return 0; |
| 1480 | } |
| 1481 | } |
| 1482 | |
Johannes Berg | e039fa4 | 2008-05-15 12:55:29 +0200 | [diff] [blame] | 1483 | static int p54_tx(struct ieee80211_hw *dev, struct sk_buff *skb) |
Michael Wu | eff1a59 | 2007-09-25 18:11:01 -0700 | [diff] [blame] | 1484 | { |
Johannes Berg | e039fa4 | 2008-05-15 12:55:29 +0200 | [diff] [blame] | 1485 | struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb); |
Christian Lamparter | a15bd00 | 2008-12-21 20:54:34 +0100 | [diff] [blame] | 1486 | struct ieee80211_tx_queue_stats *current_queue; |
Michael Wu | eff1a59 | 2007-09-25 18:11:01 -0700 | [diff] [blame] | 1487 | struct p54_common *priv = dev->priv; |
John W. Linville | 27df605 | 2008-10-22 16:41:55 -0400 | [diff] [blame] | 1488 | struct p54_hdr *hdr; |
| 1489 | struct p54_tx_data *txhdr; |
John W. Linville | db4186c | 2008-10-31 15:53:12 -0400 | [diff] [blame] | 1490 | size_t padding, len, tim_len = 0; |
Christian Lamparter | c772a08 | 2008-11-29 22:33:57 +0100 | [diff] [blame] | 1491 | int i, j, ridx, ret; |
Christian Lamparter | 94585b0 | 2008-10-18 23:18:44 +0200 | [diff] [blame] | 1492 | u16 hdr_flags = 0, aid = 0; |
Christian Lamparter | 25900ef | 2008-11-29 22:34:37 +0100 | [diff] [blame] | 1493 | u8 rate, queue, crypt_offset = 0; |
Christian Lamparter | aaa1553 | 2008-08-09 19:20:47 -0500 | [diff] [blame] | 1494 | u8 cts_rate = 0x20; |
Johannes Berg | e6a9854 | 2008-10-21 12:40:02 +0200 | [diff] [blame] | 1495 | u8 rc_flags; |
Johannes Berg | c12abae | 2008-10-14 16:56:51 +0200 | [diff] [blame] | 1496 | u8 calculated_tries[4]; |
| 1497 | u8 nrates = 0, nremaining = 8; |
Michael Wu | eff1a59 | 2007-09-25 18:11:01 -0700 | [diff] [blame] | 1498 | |
Christian Lamparter | 94585b0 | 2008-10-18 23:18:44 +0200 | [diff] [blame] | 1499 | queue = skb_get_queue_mapping(skb); |
| 1500 | |
Christian Lamparter | c772a08 | 2008-11-29 22:33:57 +0100 | [diff] [blame] | 1501 | ret = p54_tx_fill(dev, skb, info, &queue, &tim_len, &hdr_flags, &aid); |
| 1502 | current_queue = &priv->tx_stats[queue]; |
| 1503 | if (unlikely((current_queue->len > current_queue->limit) && ret)) |
| 1504 | return NETDEV_TX_BUSY; |
| 1505 | current_queue->len++; |
| 1506 | current_queue->count++; |
| 1507 | if ((current_queue->len == current_queue->limit) && ret) |
| 1508 | ieee80211_stop_queue(dev, skb_get_queue_mapping(skb)); |
Michael Wu | eff1a59 | 2007-09-25 18:11:01 -0700 | [diff] [blame] | 1509 | |
| 1510 | padding = (unsigned long)(skb->data - (sizeof(*hdr) + sizeof(*txhdr))) & 3; |
| 1511 | len = skb->len; |
| 1512 | |
Christian Lamparter | 25900ef | 2008-11-29 22:34:37 +0100 | [diff] [blame] | 1513 | if (info->control.hw_key) { |
| 1514 | crypt_offset = ieee80211_get_hdrlen_from_skb(skb); |
| 1515 | if (info->control.hw_key->alg == ALG_TKIP) { |
| 1516 | u8 *iv = (u8 *)(skb->data + crypt_offset); |
| 1517 | /* |
| 1518 | * The firmware excepts that the IV has to have |
| 1519 | * this special format |
| 1520 | */ |
| 1521 | iv[1] = iv[0]; |
| 1522 | iv[0] = iv[2]; |
| 1523 | iv[2] = 0; |
| 1524 | } |
| 1525 | } |
| 1526 | |
John W. Linville | 27df605 | 2008-10-22 16:41:55 -0400 | [diff] [blame] | 1527 | txhdr = (struct p54_tx_data *) skb_push(skb, sizeof(*txhdr) + padding); |
| 1528 | hdr = (struct p54_hdr *) skb_push(skb, sizeof(*hdr)); |
Michael Wu | eff1a59 | 2007-09-25 18:11:01 -0700 | [diff] [blame] | 1529 | |
| 1530 | if (padding) |
Christian Lamparter | 9e7f3f8 | 2008-10-18 23:18:01 +0200 | [diff] [blame] | 1531 | hdr_flags |= P54_HDR_FLAG_DATA_ALIGN; |
Christian Lamparter | 94585b0 | 2008-10-18 23:18:44 +0200 | [diff] [blame] | 1532 | hdr->type = cpu_to_le16(aid); |
John W. Linville | 27df605 | 2008-10-22 16:41:55 -0400 | [diff] [blame] | 1533 | hdr->rts_tries = info->control.rates[0].count; |
Michael Wu | eff1a59 | 2007-09-25 18:11:01 -0700 | [diff] [blame] | 1534 | |
Johannes Berg | c12abae | 2008-10-14 16:56:51 +0200 | [diff] [blame] | 1535 | /* |
| 1536 | * we register the rates in perfect order, and |
| 1537 | * RTS/CTS won't happen on 5 GHz |
| 1538 | */ |
| 1539 | cts_rate = info->control.rts_cts_rate_idx; |
| 1540 | |
| 1541 | memset(&txhdr->rateset, 0, sizeof(txhdr->rateset)); |
| 1542 | |
| 1543 | /* see how many rates got used */ |
| 1544 | for (i = 0; i < 4; i++) { |
| 1545 | if (info->control.rates[i].idx < 0) |
| 1546 | break; |
| 1547 | nrates++; |
Christian Lamparter | aaa1553 | 2008-08-09 19:20:47 -0500 | [diff] [blame] | 1548 | } |
Johannes Berg | c12abae | 2008-10-14 16:56:51 +0200 | [diff] [blame] | 1549 | |
| 1550 | /* limit tries to 8/nrates per rate */ |
| 1551 | for (i = 0; i < nrates; i++) { |
| 1552 | /* |
| 1553 | * The magic expression here is equivalent to 8/nrates for |
| 1554 | * all values that matter, but avoids division and jumps. |
| 1555 | * Note that nrates can only take the values 1 through 4. |
| 1556 | */ |
| 1557 | calculated_tries[i] = min_t(int, ((15 >> nrates) | 1) + 1, |
| 1558 | info->control.rates[i].count); |
| 1559 | nremaining -= calculated_tries[i]; |
Christian Lamparter | aaa1553 | 2008-08-09 19:20:47 -0500 | [diff] [blame] | 1560 | } |
Johannes Berg | c12abae | 2008-10-14 16:56:51 +0200 | [diff] [blame] | 1561 | |
| 1562 | /* if there are tries left, distribute from back to front */ |
| 1563 | for (i = nrates - 1; nremaining > 0 && i >= 0; i--) { |
| 1564 | int tmp = info->control.rates[i].count - calculated_tries[i]; |
| 1565 | |
| 1566 | if (tmp <= 0) |
| 1567 | continue; |
| 1568 | /* RC requested more tries at this rate */ |
| 1569 | |
| 1570 | tmp = min_t(int, tmp, nremaining); |
| 1571 | calculated_tries[i] += tmp; |
| 1572 | nremaining -= tmp; |
| 1573 | } |
| 1574 | |
| 1575 | ridx = 0; |
| 1576 | for (i = 0; i < nrates && ridx < 8; i++) { |
| 1577 | /* we register the rates in perfect order */ |
| 1578 | rate = info->control.rates[i].idx; |
| 1579 | if (info->band == IEEE80211_BAND_5GHZ) |
| 1580 | rate += 4; |
| 1581 | |
| 1582 | /* store the count we actually calculated for TX status */ |
| 1583 | info->control.rates[i].count = calculated_tries[i]; |
| 1584 | |
| 1585 | rc_flags = info->control.rates[i].flags; |
| 1586 | if (rc_flags & IEEE80211_TX_RC_USE_SHORT_PREAMBLE) { |
| 1587 | rate |= 0x10; |
| 1588 | cts_rate |= 0x10; |
| 1589 | } |
| 1590 | if (rc_flags & IEEE80211_TX_RC_USE_RTS_CTS) |
| 1591 | rate |= 0x40; |
| 1592 | else if (rc_flags & IEEE80211_TX_RC_USE_CTS_PROTECT) |
| 1593 | rate |= 0x20; |
| 1594 | for (j = 0; j < calculated_tries[i] && ridx < 8; j++) { |
| 1595 | txhdr->rateset[ridx] = rate; |
| 1596 | ridx++; |
| 1597 | } |
| 1598 | } |
Christian Lamparter | 9e7f3f8 | 2008-10-18 23:18:01 +0200 | [diff] [blame] | 1599 | |
| 1600 | if (info->flags & IEEE80211_TX_CTL_ASSIGN_SEQ) |
| 1601 | hdr_flags |= P54_HDR_FLAG_DATA_OUT_SEQNR; |
| 1602 | |
| 1603 | /* TODO: enable bursting */ |
| 1604 | hdr->flags = cpu_to_le16(hdr_flags); |
John W. Linville | 27df605 | 2008-10-22 16:41:55 -0400 | [diff] [blame] | 1605 | hdr->tries = ridx; |
John W. Linville | 27df605 | 2008-10-22 16:41:55 -0400 | [diff] [blame] | 1606 | txhdr->rts_rate_idx = 0; |
Christian Lamparter | 25900ef | 2008-11-29 22:34:37 +0100 | [diff] [blame] | 1607 | if (info->control.hw_key) { |
Christian Lamparter | 25900ef | 2008-11-29 22:34:37 +0100 | [diff] [blame] | 1608 | txhdr->key_type = p54_convert_algo(info->control.hw_key->alg); |
| 1609 | txhdr->key_len = min((u8)16, info->control.hw_key->keylen); |
| 1610 | memcpy(txhdr->key, info->control.hw_key->key, txhdr->key_len); |
| 1611 | if (info->control.hw_key->alg == ALG_TKIP) { |
| 1612 | if (unlikely(skb_tailroom(skb) < 12)) |
| 1613 | goto err; |
| 1614 | /* reserve space for the MIC key */ |
| 1615 | len += 8; |
| 1616 | memcpy(skb_put(skb, 8), &(info->control.hw_key->key |
| 1617 | [NL80211_TKIP_DATA_OFFSET_TX_MIC_KEY]), 8); |
| 1618 | } |
| 1619 | /* reserve some space for ICV */ |
| 1620 | len += info->control.hw_key->icv_len; |
Christian Lamparter | c1d34c1 | 2008-12-20 02:21:37 +0100 | [diff] [blame] | 1621 | memset(skb_put(skb, info->control.hw_key->icv_len), 0, |
| 1622 | info->control.hw_key->icv_len); |
Christian Lamparter | 25900ef | 2008-11-29 22:34:37 +0100 | [diff] [blame] | 1623 | } else { |
| 1624 | txhdr->key_type = 0; |
| 1625 | txhdr->key_len = 0; |
| 1626 | } |
| 1627 | txhdr->crypt_offset = crypt_offset; |
Christian Lamparter | 94585b0 | 2008-10-18 23:18:44 +0200 | [diff] [blame] | 1628 | txhdr->hw_queue = queue; |
Christian Lamparter | a15bd00 | 2008-12-21 20:54:34 +0100 | [diff] [blame] | 1629 | txhdr->backlog = current_queue->len; |
John W. Linville | 27df605 | 2008-10-22 16:41:55 -0400 | [diff] [blame] | 1630 | memset(txhdr->durations, 0, sizeof(txhdr->durations)); |
Christian Lamparter | 78eb748 | 2008-12-30 13:48:19 +0100 | [diff] [blame] | 1631 | txhdr->tx_antenna = ((info->antenna_sel_tx == 0) ? |
| 1632 | 2 : info->antenna_sel_tx - 1) & priv->tx_diversity_mask; |
Christian Lamparter | 6917f50 | 2009-01-11 01:14:18 +0100 | [diff] [blame] | 1633 | if (priv->rxhw == PDR_SYNTH_FRONTEND_LONGBOW) { |
| 1634 | txhdr->longbow.cts_rate = cts_rate; |
| 1635 | txhdr->longbow.output_power = cpu_to_le16(priv->output_power); |
| 1636 | } else { |
| 1637 | txhdr->normal.output_power = priv->output_power; |
| 1638 | txhdr->normal.cts_rate = cts_rate; |
| 1639 | } |
Michael Wu | eff1a59 | 2007-09-25 18:11:01 -0700 | [diff] [blame] | 1640 | if (padding) |
| 1641 | txhdr->align[0] = padding; |
| 1642 | |
Christian Lamparter | 25900ef | 2008-11-29 22:34:37 +0100 | [diff] [blame] | 1643 | hdr->len = cpu_to_le16(len); |
Johannes Berg | e039fa4 | 2008-05-15 12:55:29 +0200 | [diff] [blame] | 1644 | /* modifies skb->cb and with it info, so must be last! */ |
Christian Lamparter | 25900ef | 2008-11-29 22:34:37 +0100 | [diff] [blame] | 1645 | if (unlikely(p54_assign_address(dev, skb, hdr, skb->len + tim_len))) |
| 1646 | goto err; |
Christian Lamparter | 0a5ec96 | 2008-12-14 15:05:42 +0100 | [diff] [blame] | 1647 | priv->tx(dev, skb); |
Christian Lamparter | 54fdb04 | 2008-12-13 14:14:20 +0100 | [diff] [blame] | 1648 | |
| 1649 | queue_delayed_work(dev->workqueue, &priv->work, |
| 1650 | msecs_to_jiffies(P54_TX_FRAME_LIFETIME)); |
| 1651 | |
Christian Lamparter | acbaf32 | 2009-01-07 16:40:08 +0100 | [diff] [blame] | 1652 | return NETDEV_TX_OK; |
Christian Lamparter | 25900ef | 2008-11-29 22:34:37 +0100 | [diff] [blame] | 1653 | |
| 1654 | err: |
| 1655 | skb_pull(skb, sizeof(*hdr) + sizeof(*txhdr) + padding); |
Christian Lamparter | a15bd00 | 2008-12-21 20:54:34 +0100 | [diff] [blame] | 1656 | current_queue->len--; |
| 1657 | current_queue->count--; |
Christian Lamparter | 25900ef | 2008-11-29 22:34:37 +0100 | [diff] [blame] | 1658 | return NETDEV_TX_BUSY; |
Michael Wu | eff1a59 | 2007-09-25 18:11:01 -0700 | [diff] [blame] | 1659 | } |
| 1660 | |
Christian Lamparter | b2023ddc | 2008-11-29 22:37:31 +0100 | [diff] [blame] | 1661 | static int p54_setup_mac(struct ieee80211_hw *dev) |
Michael Wu | eff1a59 | 2007-09-25 18:11:01 -0700 | [diff] [blame] | 1662 | { |
| 1663 | struct p54_common *priv = dev->priv; |
Christian Lamparter | b92f30d | 2008-10-15 04:07:16 +0200 | [diff] [blame] | 1664 | struct sk_buff *skb; |
Christian Lamparter | 5e73444 | 2008-10-15 04:07:56 +0200 | [diff] [blame] | 1665 | struct p54_setup_mac *setup; |
Christian Lamparter | b2023ddc | 2008-11-29 22:37:31 +0100 | [diff] [blame] | 1666 | u16 mode; |
Michael Wu | eff1a59 | 2007-09-25 18:11:01 -0700 | [diff] [blame] | 1667 | |
Christian Lamparter | 63f2dc9 | 2009-01-09 21:05:31 +0100 | [diff] [blame] | 1668 | skb = p54_alloc_skb(dev, P54_HDR_FLAG_CONTROL_OPSET, sizeof(*setup), |
| 1669 | P54_CONTROL_TYPE_SETUP, GFP_ATOMIC); |
Christian Lamparter | b92f30d | 2008-10-15 04:07:16 +0200 | [diff] [blame] | 1670 | if (!skb) |
Michael Wu | eff1a59 | 2007-09-25 18:11:01 -0700 | [diff] [blame] | 1671 | return -ENOMEM; |
| 1672 | |
Christian Lamparter | 5e73444 | 2008-10-15 04:07:56 +0200 | [diff] [blame] | 1673 | setup = (struct p54_setup_mac *) skb_put(skb, sizeof(*setup)); |
Christian Lamparter | b2023ddc | 2008-11-29 22:37:31 +0100 | [diff] [blame] | 1674 | if (dev->conf.radio_enabled) { |
| 1675 | switch (priv->mode) { |
| 1676 | case NL80211_IFTYPE_STATION: |
| 1677 | mode = P54_FILTER_TYPE_STATION; |
| 1678 | break; |
| 1679 | case NL80211_IFTYPE_AP: |
| 1680 | mode = P54_FILTER_TYPE_AP; |
| 1681 | break; |
| 1682 | case NL80211_IFTYPE_ADHOC: |
| 1683 | case NL80211_IFTYPE_MESH_POINT: |
| 1684 | mode = P54_FILTER_TYPE_IBSS; |
| 1685 | break; |
Christian Lamparter | 29701e5 | 2008-12-21 22:52:10 +0100 | [diff] [blame] | 1686 | case NL80211_IFTYPE_MONITOR: |
| 1687 | mode = P54_FILTER_TYPE_PROMISCUOUS; |
| 1688 | break; |
Christian Lamparter | b2023ddc | 2008-11-29 22:37:31 +0100 | [diff] [blame] | 1689 | default: |
Christian Lamparter | efeada2 | 2009-03-05 21:31:05 +0100 | [diff] [blame] | 1690 | mode = P54_FILTER_TYPE_HIBERNATE; |
Christian Lamparter | b2023ddc | 2008-11-29 22:37:31 +0100 | [diff] [blame] | 1691 | break; |
| 1692 | } |
Christian Lamparter | 29701e5 | 2008-12-21 22:52:10 +0100 | [diff] [blame] | 1693 | |
| 1694 | /* |
| 1695 | * "TRANSPARENT and PROMISCUOUS are mutually exclusive" |
| 1696 | * STSW45X0C LMAC API - page 12 |
| 1697 | */ |
Christian Lamparter | 51eed99 | 2008-12-30 13:48:29 +0100 | [diff] [blame] | 1698 | if (((priv->filter_flags & FIF_PROMISC_IN_BSS) || |
| 1699 | (priv->filter_flags & FIF_OTHER_BSS)) && |
Christian Lamparter | 29701e5 | 2008-12-21 22:52:10 +0100 | [diff] [blame] | 1700 | (mode != P54_FILTER_TYPE_PROMISCUOUS)) |
Christian Lamparter | b2023ddc | 2008-11-29 22:37:31 +0100 | [diff] [blame] | 1701 | mode |= P54_FILTER_TYPE_TRANSPARENT; |
| 1702 | } else |
Christian Lamparter | efeada2 | 2009-03-05 21:31:05 +0100 | [diff] [blame] | 1703 | mode = P54_FILTER_TYPE_HIBERNATE; |
Christian Lamparter | b2023ddc | 2008-11-29 22:37:31 +0100 | [diff] [blame] | 1704 | |
Christian Lamparter | 5e73444 | 2008-10-15 04:07:56 +0200 | [diff] [blame] | 1705 | setup->mac_mode = cpu_to_le16(mode); |
| 1706 | memcpy(setup->mac_addr, priv->mac_addr, ETH_ALEN); |
Christian Lamparter | b2023ddc | 2008-11-29 22:37:31 +0100 | [diff] [blame] | 1707 | memcpy(setup->bssid, priv->bssid, ETH_ALEN); |
Christian Lamparter | 78eb748 | 2008-12-30 13:48:19 +0100 | [diff] [blame] | 1708 | setup->rx_antenna = 2 & priv->rx_diversity_mask; /* automatic */ |
Chr | 9483407 | 2008-10-29 22:39:50 +0100 | [diff] [blame] | 1709 | setup->rx_align = 0; |
Christian Lamparter | 19c19d5 | 2008-09-03 22:25:25 +0200 | [diff] [blame] | 1710 | if (priv->fw_var < 0x500) { |
Christian Lamparter | ced0957 | 2008-11-14 19:42:39 +0100 | [diff] [blame] | 1711 | setup->v1.basic_rate_mask = cpu_to_le32(priv->basic_rate_mask); |
Chr | 9483407 | 2008-10-29 22:39:50 +0100 | [diff] [blame] | 1712 | memset(setup->v1.rts_rates, 0, 8); |
Christian Lamparter | 5e73444 | 2008-10-15 04:07:56 +0200 | [diff] [blame] | 1713 | setup->v1.rx_addr = cpu_to_le32(priv->rx_end); |
| 1714 | setup->v1.max_rx = cpu_to_le16(priv->rx_mtu); |
| 1715 | setup->v1.rxhw = cpu_to_le16(priv->rxhw); |
Christian Lamparter | ced0957 | 2008-11-14 19:42:39 +0100 | [diff] [blame] | 1716 | setup->v1.wakeup_timer = cpu_to_le16(priv->wakeup_timer); |
Christian Lamparter | 5e73444 | 2008-10-15 04:07:56 +0200 | [diff] [blame] | 1717 | setup->v1.unalloc0 = cpu_to_le16(0); |
Christian Lamparter | 19c19d5 | 2008-09-03 22:25:25 +0200 | [diff] [blame] | 1718 | } else { |
Christian Lamparter | 5e73444 | 2008-10-15 04:07:56 +0200 | [diff] [blame] | 1719 | setup->v2.rx_addr = cpu_to_le32(priv->rx_end); |
| 1720 | setup->v2.max_rx = cpu_to_le16(priv->rx_mtu); |
| 1721 | setup->v2.rxhw = cpu_to_le16(priv->rxhw); |
Christian Lamparter | ced0957 | 2008-11-14 19:42:39 +0100 | [diff] [blame] | 1722 | setup->v2.timer = cpu_to_le16(priv->wakeup_timer); |
Christian Lamparter | 5e73444 | 2008-10-15 04:07:56 +0200 | [diff] [blame] | 1723 | setup->v2.truncate = cpu_to_le16(48896); |
Christian Lamparter | ced0957 | 2008-11-14 19:42:39 +0100 | [diff] [blame] | 1724 | setup->v2.basic_rate_mask = cpu_to_le32(priv->basic_rate_mask); |
Christian Lamparter | 5e73444 | 2008-10-15 04:07:56 +0200 | [diff] [blame] | 1725 | setup->v2.sbss_offset = 0; |
| 1726 | setup->v2.mcast_window = 0; |
| 1727 | setup->v2.rx_rssi_threshold = 0; |
| 1728 | setup->v2.rx_ed_threshold = 0; |
| 1729 | setup->v2.ref_clock = cpu_to_le32(644245094); |
| 1730 | setup->v2.lpf_bandwidth = cpu_to_le16(65535); |
| 1731 | setup->v2.osc_start_delay = cpu_to_le16(65535); |
Christian Lamparter | 19c19d5 | 2008-09-03 22:25:25 +0200 | [diff] [blame] | 1732 | } |
Christian Lamparter | 0a5ec96 | 2008-12-14 15:05:42 +0100 | [diff] [blame] | 1733 | priv->tx(dev, skb); |
Michael Wu | eff1a59 | 2007-09-25 18:11:01 -0700 | [diff] [blame] | 1734 | return 0; |
| 1735 | } |
| 1736 | |
Christian Lamparter | 69ba3e5 | 2008-12-14 14:45:30 +0100 | [diff] [blame] | 1737 | static int p54_scan(struct ieee80211_hw *dev, u16 mode, u16 dwell) |
Michael Wu | eff1a59 | 2007-09-25 18:11:01 -0700 | [diff] [blame] | 1738 | { |
| 1739 | struct p54_common *priv = dev->priv; |
Christian Lamparter | b92f30d | 2008-10-15 04:07:16 +0200 | [diff] [blame] | 1740 | struct sk_buff *skb; |
Christian Lamparter | 6917f50 | 2009-01-11 01:14:18 +0100 | [diff] [blame] | 1741 | struct p54_hdr *hdr; |
| 1742 | struct p54_scan_head *head; |
| 1743 | struct p54_iq_autocal_entry *iq_autocal; |
| 1744 | union p54_scan_body_union *body; |
| 1745 | struct p54_scan_tail_rate *rate; |
| 1746 | struct pda_rssi_cal_entry *rssi; |
Michael Wu | eff1a59 | 2007-09-25 18:11:01 -0700 | [diff] [blame] | 1747 | unsigned int i; |
Michael Wu | eff1a59 | 2007-09-25 18:11:01 -0700 | [diff] [blame] | 1748 | void *entry; |
Christian Lamparter | 69ba3e5 | 2008-12-14 14:45:30 +0100 | [diff] [blame] | 1749 | int band = dev->conf.channel->band; |
Christian Lamparter | 83cf1b6 | 2009-01-11 01:10:33 +0100 | [diff] [blame] | 1750 | __le16 freq = cpu_to_le16(dev->conf.channel->center_freq); |
Michael Wu | eff1a59 | 2007-09-25 18:11:01 -0700 | [diff] [blame] | 1751 | |
Christian Lamparter | 6917f50 | 2009-01-11 01:14:18 +0100 | [diff] [blame] | 1752 | skb = p54_alloc_skb(dev, P54_HDR_FLAG_CONTROL_OPSET, sizeof(*head) + |
| 1753 | 2 + sizeof(*iq_autocal) + sizeof(*body) + |
| 1754 | sizeof(*rate) + 2 * sizeof(*rssi), |
Christian Lamparter | 63f2dc9 | 2009-01-09 21:05:31 +0100 | [diff] [blame] | 1755 | P54_CONTROL_TYPE_SCAN, GFP_ATOMIC); |
Christian Lamparter | b92f30d | 2008-10-15 04:07:16 +0200 | [diff] [blame] | 1756 | if (!skb) |
Michael Wu | eff1a59 | 2007-09-25 18:11:01 -0700 | [diff] [blame] | 1757 | return -ENOMEM; |
| 1758 | |
Christian Lamparter | 6917f50 | 2009-01-11 01:14:18 +0100 | [diff] [blame] | 1759 | head = (struct p54_scan_head *) skb_put(skb, sizeof(*head)); |
| 1760 | memset(head->scan_params, 0, sizeof(head->scan_params)); |
| 1761 | head->mode = cpu_to_le16(mode); |
| 1762 | head->dwell = cpu_to_le16(dwell); |
| 1763 | head->freq = freq; |
Michael Wu | eff1a59 | 2007-09-25 18:11:01 -0700 | [diff] [blame] | 1764 | |
Christian Lamparter | 6917f50 | 2009-01-11 01:14:18 +0100 | [diff] [blame] | 1765 | if (priv->rxhw == PDR_SYNTH_FRONTEND_LONGBOW) { |
| 1766 | __le16 *pa_power_points = (__le16 *) skb_put(skb, 2); |
| 1767 | *pa_power_points = cpu_to_le16(0x0c); |
| 1768 | } |
| 1769 | |
| 1770 | iq_autocal = (void *) skb_put(skb, sizeof(*iq_autocal)); |
Michael Wu | eff1a59 | 2007-09-25 18:11:01 -0700 | [diff] [blame] | 1771 | for (i = 0; i < priv->iq_autocal_len; i++) { |
| 1772 | if (priv->iq_autocal[i].freq != freq) |
| 1773 | continue; |
| 1774 | |
Christian Lamparter | 6917f50 | 2009-01-11 01:14:18 +0100 | [diff] [blame] | 1775 | memcpy(iq_autocal, &priv->iq_autocal[i].params, |
| 1776 | sizeof(struct p54_iq_autocal_entry)); |
Michael Wu | eff1a59 | 2007-09-25 18:11:01 -0700 | [diff] [blame] | 1777 | break; |
| 1778 | } |
| 1779 | if (i == priv->iq_autocal_len) |
| 1780 | goto err; |
| 1781 | |
Christian Lamparter | 6917f50 | 2009-01-11 01:14:18 +0100 | [diff] [blame] | 1782 | if (priv->rxhw == PDR_SYNTH_FRONTEND_LONGBOW) |
| 1783 | body = (void *) skb_put(skb, sizeof(body->longbow)); |
| 1784 | else |
| 1785 | body = (void *) skb_put(skb, sizeof(body->normal)); |
| 1786 | |
Christian Lamparter | 83cf1b6 | 2009-01-11 01:10:33 +0100 | [diff] [blame] | 1787 | for (i = 0; i < priv->output_limit->entries; i++) { |
Christian Lamparter | 83cf1b6 | 2009-01-11 01:10:33 +0100 | [diff] [blame] | 1788 | __le16 *entry_freq = (void *) (priv->output_limit->data + |
Christian Lamparter | 6917f50 | 2009-01-11 01:14:18 +0100 | [diff] [blame] | 1789 | priv->output_limit->entry_size * i); |
Christian Lamparter | 83cf1b6 | 2009-01-11 01:10:33 +0100 | [diff] [blame] | 1790 | |
| 1791 | if (*entry_freq != freq) |
Michael Wu | eff1a59 | 2007-09-25 18:11:01 -0700 | [diff] [blame] | 1792 | continue; |
| 1793 | |
Christian Lamparter | 6917f50 | 2009-01-11 01:14:18 +0100 | [diff] [blame] | 1794 | if (priv->rxhw == PDR_SYNTH_FRONTEND_LONGBOW) { |
| 1795 | memcpy(&body->longbow.power_limits, |
| 1796 | (void *) entry_freq + sizeof(__le16), |
| 1797 | priv->output_limit->entry_size); |
| 1798 | } else { |
| 1799 | struct pda_channel_output_limit *limits = |
| 1800 | (void *) entry_freq; |
| 1801 | |
| 1802 | body->normal.val_barker = 0x38; |
| 1803 | body->normal.val_bpsk = body->normal.dup_bpsk = |
| 1804 | limits->val_bpsk; |
| 1805 | body->normal.val_qpsk = body->normal.dup_qpsk = |
| 1806 | limits->val_qpsk; |
| 1807 | body->normal.val_16qam = body->normal.dup_16qam = |
| 1808 | limits->val_16qam; |
| 1809 | body->normal.val_64qam = body->normal.dup_64qam = |
| 1810 | limits->val_64qam; |
| 1811 | } |
Michael Wu | eff1a59 | 2007-09-25 18:11:01 -0700 | [diff] [blame] | 1812 | break; |
| 1813 | } |
Christian Lamparter | 83cf1b6 | 2009-01-11 01:10:33 +0100 | [diff] [blame] | 1814 | if (i == priv->output_limit->entries) |
Michael Wu | eff1a59 | 2007-09-25 18:11:01 -0700 | [diff] [blame] | 1815 | goto err; |
| 1816 | |
Christian Lamparter | 83cf1b6 | 2009-01-11 01:10:33 +0100 | [diff] [blame] | 1817 | entry = (void *)(priv->curve_data->data + priv->curve_data->offset); |
| 1818 | for (i = 0; i < priv->curve_data->entries; i++) { |
Michael Wu | eff1a59 | 2007-09-25 18:11:01 -0700 | [diff] [blame] | 1819 | if (*((__le16 *)entry) != freq) { |
Christian Lamparter | 83cf1b6 | 2009-01-11 01:10:33 +0100 | [diff] [blame] | 1820 | entry += priv->curve_data->entry_size; |
Michael Wu | eff1a59 | 2007-09-25 18:11:01 -0700 | [diff] [blame] | 1821 | continue; |
| 1822 | } |
| 1823 | |
Christian Lamparter | 6917f50 | 2009-01-11 01:14:18 +0100 | [diff] [blame] | 1824 | if (priv->rxhw == PDR_SYNTH_FRONTEND_LONGBOW) { |
| 1825 | memcpy(&body->longbow.curve_data, |
| 1826 | (void *) entry + sizeof(__le16), |
| 1827 | priv->curve_data->entry_size); |
| 1828 | } else { |
| 1829 | struct p54_scan_body *chan = &body->normal; |
| 1830 | struct pda_pa_curve_data *curve_data = |
| 1831 | (void *) priv->curve_data->data; |
Christian Lamparter | 83cf1b6 | 2009-01-11 01:10:33 +0100 | [diff] [blame] | 1832 | |
Christian Lamparter | 6917f50 | 2009-01-11 01:14:18 +0100 | [diff] [blame] | 1833 | entry += sizeof(__le16); |
| 1834 | chan->pa_points_per_curve = 8; |
| 1835 | memset(chan->curve_data, 0, sizeof(*chan->curve_data)); |
| 1836 | memcpy(chan->curve_data, entry, |
| 1837 | sizeof(struct p54_pa_curve_data_sample) * |
| 1838 | min((u8)8, curve_data->points_per_channel)); |
| 1839 | } |
Michael Wu | eff1a59 | 2007-09-25 18:11:01 -0700 | [diff] [blame] | 1840 | break; |
| 1841 | } |
Christian Lamparter | 83cf1b6 | 2009-01-11 01:10:33 +0100 | [diff] [blame] | 1842 | if (i == priv->curve_data->entries) |
| 1843 | goto err; |
Michael Wu | eff1a59 | 2007-09-25 18:11:01 -0700 | [diff] [blame] | 1844 | |
Christian Lamparter | 6917f50 | 2009-01-11 01:14:18 +0100 | [diff] [blame] | 1845 | if ((priv->fw_var >= 0x500) && (priv->fw_var < 0x509)) { |
| 1846 | rate = (void *) skb_put(skb, sizeof(*rate)); |
| 1847 | rate->basic_rate_mask = cpu_to_le32(priv->basic_rate_mask); |
| 1848 | for (i = 0; i < sizeof(rate->rts_rates); i++) |
| 1849 | rate->rts_rates[i] = i; |
Christian Lamparter | 19c19d5 | 2008-09-03 22:25:25 +0200 | [diff] [blame] | 1850 | } |
Christian Lamparter | 6917f50 | 2009-01-11 01:14:18 +0100 | [diff] [blame] | 1851 | |
| 1852 | rssi = (struct pda_rssi_cal_entry *) skb_put(skb, sizeof(*rssi)); |
| 1853 | rssi->mul = cpu_to_le16(priv->rssical_db[band].mul); |
| 1854 | rssi->add = cpu_to_le16(priv->rssical_db[band].add); |
| 1855 | if (priv->rxhw == PDR_SYNTH_FRONTEND_LONGBOW) { |
| 1856 | /* Longbow frontend needs ever more */ |
| 1857 | rssi = (void *) skb_put(skb, sizeof(*rssi)); |
| 1858 | rssi->mul = cpu_to_le16(priv->rssical_db[band].longbow_unkn); |
| 1859 | rssi->add = cpu_to_le16(priv->rssical_db[band].longbow_unk2); |
| 1860 | } |
| 1861 | |
| 1862 | if (priv->fw_var >= 0x509) { |
| 1863 | rate = (void *) skb_put(skb, sizeof(*rate)); |
| 1864 | rate->basic_rate_mask = cpu_to_le32(priv->basic_rate_mask); |
| 1865 | for (i = 0; i < sizeof(rate->rts_rates); i++) |
| 1866 | rate->rts_rates[i] = i; |
| 1867 | } |
| 1868 | |
| 1869 | hdr = (struct p54_hdr *) skb->data; |
| 1870 | hdr->len = cpu_to_le16(skb->len - sizeof(*hdr)); |
| 1871 | |
Christian Lamparter | 0a5ec96 | 2008-12-14 15:05:42 +0100 | [diff] [blame] | 1872 | priv->tx(dev, skb); |
Michael Wu | eff1a59 | 2007-09-25 18:11:01 -0700 | [diff] [blame] | 1873 | return 0; |
| 1874 | |
| 1875 | err: |
| 1876 | printk(KERN_ERR "%s: frequency change failed\n", wiphy_name(dev->wiphy)); |
Christian Lamparter | ef15aa4 | 2009-01-09 21:06:30 +0100 | [diff] [blame] | 1877 | p54_free_skb(dev, skb); |
Michael Wu | eff1a59 | 2007-09-25 18:11:01 -0700 | [diff] [blame] | 1878 | return -EINVAL; |
| 1879 | } |
| 1880 | |
Christian Lamparter | d0b45ae | 2009-03-06 01:02:04 +0100 | [diff] [blame] | 1881 | static int p54_set_leds(struct ieee80211_hw *dev) |
Michael Wu | eff1a59 | 2007-09-25 18:11:01 -0700 | [diff] [blame] | 1882 | { |
| 1883 | struct p54_common *priv = dev->priv; |
Christian Lamparter | b92f30d | 2008-10-15 04:07:16 +0200 | [diff] [blame] | 1884 | struct sk_buff *skb; |
John W. Linville | 27df605 | 2008-10-22 16:41:55 -0400 | [diff] [blame] | 1885 | struct p54_led *led; |
Michael Wu | eff1a59 | 2007-09-25 18:11:01 -0700 | [diff] [blame] | 1886 | |
Christian Lamparter | 63f2dc9 | 2009-01-09 21:05:31 +0100 | [diff] [blame] | 1887 | skb = p54_alloc_skb(dev, P54_HDR_FLAG_CONTROL_OPSET, sizeof(*led), |
| 1888 | P54_CONTROL_TYPE_LED, GFP_ATOMIC); |
Christian Lamparter | b92f30d | 2008-10-15 04:07:16 +0200 | [diff] [blame] | 1889 | if (!skb) |
Michael Wu | eff1a59 | 2007-09-25 18:11:01 -0700 | [diff] [blame] | 1890 | return -ENOMEM; |
| 1891 | |
Christian Lamparter | d0b45ae | 2009-03-06 01:02:04 +0100 | [diff] [blame] | 1892 | led = (struct p54_led *) skb_put(skb, sizeof(*led)); |
| 1893 | led->flags = cpu_to_le16(0x0003); |
| 1894 | led->mask[0] = led->mask[1] = cpu_to_le16(priv->softled_state); |
| 1895 | led->delay[0] = cpu_to_le16(1); |
| 1896 | led->delay[1] = cpu_to_le16(0); |
Christian Lamparter | 0a5ec96 | 2008-12-14 15:05:42 +0100 | [diff] [blame] | 1897 | priv->tx(dev, skb); |
Michael Wu | eff1a59 | 2007-09-25 18:11:01 -0700 | [diff] [blame] | 1898 | return 0; |
| 1899 | } |
| 1900 | |
Johannes Berg | 3330d7b | 2008-02-10 16:49:38 +0100 | [diff] [blame] | 1901 | #define P54_SET_QUEUE(queue, ai_fs, cw_min, cw_max, _txop) \ |
Michael Wu | eff1a59 | 2007-09-25 18:11:01 -0700 | [diff] [blame] | 1902 | do { \ |
| 1903 | queue.aifs = cpu_to_le16(ai_fs); \ |
| 1904 | queue.cwmin = cpu_to_le16(cw_min); \ |
| 1905 | queue.cwmax = cpu_to_le16(cw_max); \ |
Johannes Berg | 3330d7b | 2008-02-10 16:49:38 +0100 | [diff] [blame] | 1906 | queue.txop = cpu_to_le16(_txop); \ |
Michael Wu | eff1a59 | 2007-09-25 18:11:01 -0700 | [diff] [blame] | 1907 | } while(0) |
| 1908 | |
Christian Lamparter | 0fdd7c5 | 2008-10-15 03:55:37 +0200 | [diff] [blame] | 1909 | static int p54_set_edcf(struct ieee80211_hw *dev) |
Michael Wu | eff1a59 | 2007-09-25 18:11:01 -0700 | [diff] [blame] | 1910 | { |
| 1911 | struct p54_common *priv = dev->priv; |
Christian Lamparter | b92f30d | 2008-10-15 04:07:16 +0200 | [diff] [blame] | 1912 | struct sk_buff *skb; |
Christian Lamparter | 0fdd7c5 | 2008-10-15 03:55:37 +0200 | [diff] [blame] | 1913 | struct p54_edcf *edcf; |
Michael Wu | eff1a59 | 2007-09-25 18:11:01 -0700 | [diff] [blame] | 1914 | |
Christian Lamparter | 63f2dc9 | 2009-01-09 21:05:31 +0100 | [diff] [blame] | 1915 | skb = p54_alloc_skb(dev, P54_HDR_FLAG_CONTROL_OPSET, sizeof(*edcf), |
| 1916 | P54_CONTROL_TYPE_DCFINIT, GFP_ATOMIC); |
Christian Lamparter | b92f30d | 2008-10-15 04:07:16 +0200 | [diff] [blame] | 1917 | if (!skb) |
Christian Lamparter | 0fdd7c5 | 2008-10-15 03:55:37 +0200 | [diff] [blame] | 1918 | return -ENOMEM; |
| 1919 | |
Christian Lamparter | b92f30d | 2008-10-15 04:07:16 +0200 | [diff] [blame] | 1920 | edcf = (struct p54_edcf *)skb_put(skb, sizeof(*edcf)); |
Christian Lamparter | 40333e4 | 2008-10-08 20:52:22 +0200 | [diff] [blame] | 1921 | if (priv->use_short_slot) { |
Christian Lamparter | 0fdd7c5 | 2008-10-15 03:55:37 +0200 | [diff] [blame] | 1922 | edcf->slottime = 9; |
| 1923 | edcf->sifs = 0x10; |
| 1924 | edcf->eofpad = 0x00; |
Michael Wu | eff1a59 | 2007-09-25 18:11:01 -0700 | [diff] [blame] | 1925 | } else { |
Christian Lamparter | 0fdd7c5 | 2008-10-15 03:55:37 +0200 | [diff] [blame] | 1926 | edcf->slottime = 20; |
| 1927 | edcf->sifs = 0x0a; |
| 1928 | edcf->eofpad = 0x06; |
Michael Wu | eff1a59 | 2007-09-25 18:11:01 -0700 | [diff] [blame] | 1929 | } |
Michael Wu | eff1a59 | 2007-09-25 18:11:01 -0700 | [diff] [blame] | 1930 | /* (see prism54/isl_oid.h for further details) */ |
Christian Lamparter | 0fdd7c5 | 2008-10-15 03:55:37 +0200 | [diff] [blame] | 1931 | edcf->frameburst = cpu_to_le16(0); |
| 1932 | edcf->round_trip_delay = cpu_to_le16(0); |
Chr | 9483407 | 2008-10-29 22:39:50 +0100 | [diff] [blame] | 1933 | edcf->flags = 0; |
Christian Lamparter | 0fdd7c5 | 2008-10-15 03:55:37 +0200 | [diff] [blame] | 1934 | memset(edcf->mapping, 0, sizeof(edcf->mapping)); |
| 1935 | memcpy(edcf->queue, priv->qos_params, sizeof(edcf->queue)); |
Christian Lamparter | 0a5ec96 | 2008-12-14 15:05:42 +0100 | [diff] [blame] | 1936 | priv->tx(dev, skb); |
Christian Lamparter | 0fdd7c5 | 2008-10-15 03:55:37 +0200 | [diff] [blame] | 1937 | return 0; |
Michael Wu | eff1a59 | 2007-09-25 18:11:01 -0700 | [diff] [blame] | 1938 | } |
| 1939 | |
Christian Lamparter | 2b8d4e2 | 2008-12-30 13:48:41 +0100 | [diff] [blame] | 1940 | static int p54_set_ps(struct ieee80211_hw *dev) |
| 1941 | { |
| 1942 | struct p54_common *priv = dev->priv; |
| 1943 | struct sk_buff *skb; |
| 1944 | struct p54_psm *psm; |
| 1945 | u16 mode; |
| 1946 | int i; |
| 1947 | |
| 1948 | if (dev->conf.flags & IEEE80211_CONF_PS) |
Christian Lamparter | f13027a | 2009-03-25 03:12:49 +0100 | [diff] [blame] | 1949 | mode = P54_PSM | P54_PSM_BEACON_TIMEOUT | P54_PSM_DTIM | |
| 1950 | P54_PSM_CHECKSUM | P54_PSM_MCBC; |
Christian Lamparter | 2b8d4e2 | 2008-12-30 13:48:41 +0100 | [diff] [blame] | 1951 | else |
| 1952 | mode = P54_PSM_CAM; |
| 1953 | |
Christian Lamparter | 63f2dc9 | 2009-01-09 21:05:31 +0100 | [diff] [blame] | 1954 | skb = p54_alloc_skb(dev, P54_HDR_FLAG_CONTROL_OPSET, sizeof(*psm), |
| 1955 | P54_CONTROL_TYPE_PSM, GFP_ATOMIC); |
Christian Lamparter | 2b8d4e2 | 2008-12-30 13:48:41 +0100 | [diff] [blame] | 1956 | if (!skb) |
| 1957 | return -ENOMEM; |
| 1958 | |
| 1959 | psm = (struct p54_psm *)skb_put(skb, sizeof(*psm)); |
| 1960 | psm->mode = cpu_to_le16(mode); |
| 1961 | psm->aid = cpu_to_le16(priv->aid); |
| 1962 | for (i = 0; i < ARRAY_SIZE(psm->intervals); i++) { |
| 1963 | psm->intervals[i].interval = |
| 1964 | cpu_to_le16(dev->conf.listen_interval); |
Christian Lamparter | acbaf32 | 2009-01-07 16:40:08 +0100 | [diff] [blame] | 1965 | psm->intervals[i].periods = cpu_to_le16(1); |
Christian Lamparter | 2b8d4e2 | 2008-12-30 13:48:41 +0100 | [diff] [blame] | 1966 | } |
| 1967 | |
Christian Lamparter | f13027a | 2009-03-25 03:12:49 +0100 | [diff] [blame] | 1968 | psm->beacon_rssi_skip_max = 200; |
Christian Lamparter | 2b8d4e2 | 2008-12-30 13:48:41 +0100 | [diff] [blame] | 1969 | psm->rssi_delta_threshold = 0; |
Christian Lamparter | f13027a | 2009-03-25 03:12:49 +0100 | [diff] [blame] | 1970 | psm->nr = 10; |
| 1971 | psm->exclude[0] = 0; |
Christian Lamparter | 2b8d4e2 | 2008-12-30 13:48:41 +0100 | [diff] [blame] | 1972 | |
| 1973 | priv->tx(dev, skb); |
| 1974 | |
| 1975 | return 0; |
| 1976 | } |
| 1977 | |
Christian Lamparter | e5ea92a | 2008-10-18 23:19:00 +0200 | [diff] [blame] | 1978 | static int p54_beacon_tim(struct sk_buff *skb) |
| 1979 | { |
| 1980 | /* |
| 1981 | * the good excuse for this mess is ... the firmware. |
| 1982 | * The dummy TIM MUST be at the end of the beacon frame, |
| 1983 | * because it'll be overwritten! |
| 1984 | */ |
| 1985 | |
| 1986 | struct ieee80211_mgmt *mgmt = (void *)skb->data; |
| 1987 | u8 *pos, *end; |
| 1988 | |
Christian Lamparter | 02e37ba | 2008-11-29 22:39:08 +0100 | [diff] [blame] | 1989 | if (skb->len <= sizeof(mgmt)) |
Christian Lamparter | e5ea92a | 2008-10-18 23:19:00 +0200 | [diff] [blame] | 1990 | return -EINVAL; |
Christian Lamparter | e5ea92a | 2008-10-18 23:19:00 +0200 | [diff] [blame] | 1991 | |
| 1992 | pos = (u8 *)mgmt->u.beacon.variable; |
| 1993 | end = skb->data + skb->len; |
| 1994 | while (pos < end) { |
Christian Lamparter | 02e37ba | 2008-11-29 22:39:08 +0100 | [diff] [blame] | 1995 | if (pos + 2 + pos[1] > end) |
Christian Lamparter | e5ea92a | 2008-10-18 23:19:00 +0200 | [diff] [blame] | 1996 | return -EINVAL; |
Christian Lamparter | e5ea92a | 2008-10-18 23:19:00 +0200 | [diff] [blame] | 1997 | |
| 1998 | if (pos[0] == WLAN_EID_TIM) { |
| 1999 | u8 dtim_len = pos[1]; |
| 2000 | u8 dtim_period = pos[3]; |
| 2001 | u8 *next = pos + 2 + dtim_len; |
| 2002 | |
Christian Lamparter | 02e37ba | 2008-11-29 22:39:08 +0100 | [diff] [blame] | 2003 | if (dtim_len < 3) |
Christian Lamparter | e5ea92a | 2008-10-18 23:19:00 +0200 | [diff] [blame] | 2004 | return -EINVAL; |
Christian Lamparter | 02e37ba | 2008-11-29 22:39:08 +0100 | [diff] [blame] | 2005 | |
Christian Lamparter | e5ea92a | 2008-10-18 23:19:00 +0200 | [diff] [blame] | 2006 | memmove(pos, next, end - next); |
| 2007 | |
| 2008 | if (dtim_len > 3) |
| 2009 | skb_trim(skb, skb->len - (dtim_len - 3)); |
| 2010 | |
| 2011 | pos = end - (dtim_len + 2); |
| 2012 | |
| 2013 | /* add the dummy at the end */ |
| 2014 | pos[0] = WLAN_EID_TIM; |
| 2015 | pos[1] = 3; |
| 2016 | pos[2] = 0; |
| 2017 | pos[3] = dtim_period; |
| 2018 | pos[4] = 0; |
| 2019 | return 0; |
| 2020 | } |
| 2021 | pos += 2 + pos[1]; |
| 2022 | } |
| 2023 | return 0; |
| 2024 | } |
| 2025 | |
| 2026 | static int p54_beacon_update(struct ieee80211_hw *dev, |
| 2027 | struct ieee80211_vif *vif) |
| 2028 | { |
| 2029 | struct p54_common *priv = dev->priv; |
| 2030 | struct sk_buff *beacon; |
| 2031 | int ret; |
| 2032 | |
| 2033 | if (priv->cached_beacon) { |
| 2034 | p54_tx_cancel(dev, priv->cached_beacon); |
| 2035 | /* wait for the last beacon the be freed */ |
| 2036 | msleep(10); |
| 2037 | } |
| 2038 | |
| 2039 | beacon = ieee80211_beacon_get(dev, vif); |
| 2040 | if (!beacon) |
| 2041 | return -ENOMEM; |
| 2042 | ret = p54_beacon_tim(beacon); |
| 2043 | if (ret) |
| 2044 | return ret; |
| 2045 | ret = p54_tx(dev, beacon); |
| 2046 | if (ret) |
| 2047 | return ret; |
| 2048 | priv->cached_beacon = beacon; |
| 2049 | priv->tsf_high32 = 0; |
| 2050 | priv->tsf_low32 = 0; |
| 2051 | |
| 2052 | return 0; |
| 2053 | } |
| 2054 | |
Johannes Berg | 4150c57 | 2007-09-17 01:29:23 -0400 | [diff] [blame] | 2055 | static int p54_start(struct ieee80211_hw *dev) |
Michael Wu | eff1a59 | 2007-09-25 18:11:01 -0700 | [diff] [blame] | 2056 | { |
| 2057 | struct p54_common *priv = dev->priv; |
| 2058 | int err; |
| 2059 | |
Christian Lamparter | 9e7f3f8 | 2008-10-18 23:18:01 +0200 | [diff] [blame] | 2060 | mutex_lock(&priv->conf_mutex); |
Johannes Berg | 4150c57 | 2007-09-17 01:29:23 -0400 | [diff] [blame] | 2061 | err = priv->open(dev); |
Christian Lamparter | 40db0b2 | 2008-11-16 12:20:32 +0100 | [diff] [blame] | 2062 | if (err) |
| 2063 | goto out; |
Christian Lamparter | 0fdd7c5 | 2008-10-15 03:55:37 +0200 | [diff] [blame] | 2064 | P54_SET_QUEUE(priv->qos_params[0], 0x0002, 0x0003, 0x0007, 47); |
| 2065 | P54_SET_QUEUE(priv->qos_params[1], 0x0002, 0x0007, 0x000f, 94); |
| 2066 | P54_SET_QUEUE(priv->qos_params[2], 0x0003, 0x000f, 0x03ff, 0); |
| 2067 | P54_SET_QUEUE(priv->qos_params[3], 0x0007, 0x000f, 0x03ff, 0); |
| 2068 | err = p54_set_edcf(dev); |
Christian Lamparter | 40db0b2 | 2008-11-16 12:20:32 +0100 | [diff] [blame] | 2069 | if (err) |
| 2070 | goto out; |
Christian Lamparter | b2023ddc | 2008-11-29 22:37:31 +0100 | [diff] [blame] | 2071 | |
| 2072 | memset(priv->bssid, ~0, ETH_ALEN); |
Christian Lamparter | 40db0b2 | 2008-11-16 12:20:32 +0100 | [diff] [blame] | 2073 | priv->mode = NL80211_IFTYPE_MONITOR; |
Christian Lamparter | b2023ddc | 2008-11-29 22:37:31 +0100 | [diff] [blame] | 2074 | err = p54_setup_mac(dev); |
| 2075 | if (err) { |
| 2076 | priv->mode = NL80211_IFTYPE_UNSPECIFIED; |
| 2077 | goto out; |
| 2078 | } |
Johannes Berg | 4150c57 | 2007-09-17 01:29:23 -0400 | [diff] [blame] | 2079 | |
Christian Lamparter | 54fdb04 | 2008-12-13 14:14:20 +0100 | [diff] [blame] | 2080 | queue_delayed_work(dev->workqueue, &priv->work, 0); |
| 2081 | |
Christian Lamparter | d0b45ae | 2009-03-06 01:02:04 +0100 | [diff] [blame] | 2082 | priv->softled_state = 0; |
| 2083 | err = p54_set_leds(dev); |
| 2084 | |
Christian Lamparter | 40db0b2 | 2008-11-16 12:20:32 +0100 | [diff] [blame] | 2085 | out: |
Christian Lamparter | 9e7f3f8 | 2008-10-18 23:18:01 +0200 | [diff] [blame] | 2086 | mutex_unlock(&priv->conf_mutex); |
Johannes Berg | 4150c57 | 2007-09-17 01:29:23 -0400 | [diff] [blame] | 2087 | return err; |
| 2088 | } |
| 2089 | |
| 2090 | static void p54_stop(struct ieee80211_hw *dev) |
| 2091 | { |
| 2092 | struct p54_common *priv = dev->priv; |
David S. Miller | 0ca1b08 | 2009-07-06 12:49:18 -0700 | [diff] [blame^] | 2093 | struct sk_buff *skb; |
Christian Lamparter | cc6de66 | 2008-09-06 02:56:23 +0200 | [diff] [blame] | 2094 | |
Christian Lamparter | 9e7f3f8 | 2008-10-18 23:18:01 +0200 | [diff] [blame] | 2095 | mutex_lock(&priv->conf_mutex); |
Christian Lamparter | 59651e8 | 2008-12-09 21:07:50 +0100 | [diff] [blame] | 2096 | priv->mode = NL80211_IFTYPE_UNSPECIFIED; |
Christian Lamparter | d0b45ae | 2009-03-06 01:02:04 +0100 | [diff] [blame] | 2097 | priv->softled_state = 0; |
| 2098 | p54_set_leds(dev); |
| 2099 | |
Christian Lamparter | dce0725 | 2009-03-25 03:12:18 +0100 | [diff] [blame] | 2100 | #ifdef CONFIG_P54_LEDS |
| 2101 | cancel_delayed_work_sync(&priv->led_work); |
| 2102 | #endif /* CONFIG_P54_LEDS */ |
Christian Lamparter | 54fdb04 | 2008-12-13 14:14:20 +0100 | [diff] [blame] | 2103 | cancel_delayed_work_sync(&priv->work); |
Christian Lamparter | e5ea92a | 2008-10-18 23:19:00 +0200 | [diff] [blame] | 2104 | if (priv->cached_beacon) |
| 2105 | p54_tx_cancel(dev, priv->cached_beacon); |
| 2106 | |
Christian Lamparter | 59651e8 | 2008-12-09 21:07:50 +0100 | [diff] [blame] | 2107 | priv->stop(dev); |
David S. Miller | 0ca1b08 | 2009-07-06 12:49:18 -0700 | [diff] [blame^] | 2108 | while ((skb = skb_dequeue(&priv->tx_queue))) |
| 2109 | kfree_skb(skb); |
Christian Lamparter | e5ea92a | 2008-10-18 23:19:00 +0200 | [diff] [blame] | 2110 | priv->cached_beacon = NULL; |
Christian Lamparter | a0db663 | 2008-09-06 02:56:04 +0200 | [diff] [blame] | 2111 | priv->tsf_high32 = priv->tsf_low32 = 0; |
Christian Lamparter | 9e7f3f8 | 2008-10-18 23:18:01 +0200 | [diff] [blame] | 2112 | mutex_unlock(&priv->conf_mutex); |
Johannes Berg | 4150c57 | 2007-09-17 01:29:23 -0400 | [diff] [blame] | 2113 | } |
| 2114 | |
| 2115 | static int p54_add_interface(struct ieee80211_hw *dev, |
| 2116 | struct ieee80211_if_init_conf *conf) |
| 2117 | { |
| 2118 | struct p54_common *priv = dev->priv; |
| 2119 | |
Christian Lamparter | 9e7f3f8 | 2008-10-18 23:18:01 +0200 | [diff] [blame] | 2120 | mutex_lock(&priv->conf_mutex); |
| 2121 | if (priv->mode != NL80211_IFTYPE_MONITOR) { |
| 2122 | mutex_unlock(&priv->conf_mutex); |
Johannes Berg | 4150c57 | 2007-09-17 01:29:23 -0400 | [diff] [blame] | 2123 | return -EOPNOTSUPP; |
Christian Lamparter | 9e7f3f8 | 2008-10-18 23:18:01 +0200 | [diff] [blame] | 2124 | } |
Michael Wu | eff1a59 | 2007-09-25 18:11:01 -0700 | [diff] [blame] | 2125 | |
Christian Lamparter | f13027a | 2009-03-25 03:12:49 +0100 | [diff] [blame] | 2126 | priv->vif = conf->vif; |
| 2127 | |
Michael Wu | eff1a59 | 2007-09-25 18:11:01 -0700 | [diff] [blame] | 2128 | switch (conf->type) { |
Johannes Berg | 05c914f | 2008-09-11 00:01:58 +0200 | [diff] [blame] | 2129 | case NL80211_IFTYPE_STATION: |
Christian Lamparter | e5ea92a | 2008-10-18 23:19:00 +0200 | [diff] [blame] | 2130 | case NL80211_IFTYPE_ADHOC: |
| 2131 | case NL80211_IFTYPE_AP: |
Christian Lamparter | d131bb5 | 2008-11-15 17:02:31 +0100 | [diff] [blame] | 2132 | case NL80211_IFTYPE_MESH_POINT: |
Michael Wu | eff1a59 | 2007-09-25 18:11:01 -0700 | [diff] [blame] | 2133 | priv->mode = conf->type; |
| 2134 | break; |
| 2135 | default: |
Christian Lamparter | 9e7f3f8 | 2008-10-18 23:18:01 +0200 | [diff] [blame] | 2136 | mutex_unlock(&priv->conf_mutex); |
Michael Wu | eff1a59 | 2007-09-25 18:11:01 -0700 | [diff] [blame] | 2137 | return -EOPNOTSUPP; |
| 2138 | } |
| 2139 | |
Johannes Berg | 4150c57 | 2007-09-17 01:29:23 -0400 | [diff] [blame] | 2140 | memcpy(priv->mac_addr, conf->mac_addr, ETH_ALEN); |
Christian Lamparter | b2023ddc | 2008-11-29 22:37:31 +0100 | [diff] [blame] | 2141 | p54_setup_mac(dev); |
Christian Lamparter | 9e7f3f8 | 2008-10-18 23:18:01 +0200 | [diff] [blame] | 2142 | mutex_unlock(&priv->conf_mutex); |
Michael Wu | eff1a59 | 2007-09-25 18:11:01 -0700 | [diff] [blame] | 2143 | return 0; |
| 2144 | } |
| 2145 | |
| 2146 | static void p54_remove_interface(struct ieee80211_hw *dev, |
| 2147 | struct ieee80211_if_init_conf *conf) |
| 2148 | { |
| 2149 | struct p54_common *priv = dev->priv; |
Christian Lamparter | 9e7f3f8 | 2008-10-18 23:18:01 +0200 | [diff] [blame] | 2150 | |
| 2151 | mutex_lock(&priv->conf_mutex); |
Christian Lamparter | f13027a | 2009-03-25 03:12:49 +0100 | [diff] [blame] | 2152 | priv->vif = NULL; |
Christian Lamparter | e5ea92a | 2008-10-18 23:19:00 +0200 | [diff] [blame] | 2153 | if (priv->cached_beacon) |
| 2154 | p54_tx_cancel(dev, priv->cached_beacon); |
Johannes Berg | 05c914f | 2008-09-11 00:01:58 +0200 | [diff] [blame] | 2155 | priv->mode = NL80211_IFTYPE_MONITOR; |
Johannes Berg | 4150c57 | 2007-09-17 01:29:23 -0400 | [diff] [blame] | 2156 | memset(priv->mac_addr, 0, ETH_ALEN); |
Christian Lamparter | b2023ddc | 2008-11-29 22:37:31 +0100 | [diff] [blame] | 2157 | memset(priv->bssid, 0, ETH_ALEN); |
| 2158 | p54_setup_mac(dev); |
Christian Lamparter | 9e7f3f8 | 2008-10-18 23:18:01 +0200 | [diff] [blame] | 2159 | mutex_unlock(&priv->conf_mutex); |
Michael Wu | eff1a59 | 2007-09-25 18:11:01 -0700 | [diff] [blame] | 2160 | } |
| 2161 | |
Johannes Berg | e897558 | 2008-10-09 12:18:51 +0200 | [diff] [blame] | 2162 | static int p54_config(struct ieee80211_hw *dev, u32 changed) |
Michael Wu | eff1a59 | 2007-09-25 18:11:01 -0700 | [diff] [blame] | 2163 | { |
John W. Linville | 26d1597 | 2009-01-12 14:46:39 -0500 | [diff] [blame] | 2164 | int ret = 0; |
Larry Finger | 6041e2a | 2008-08-03 17:58:36 -0500 | [diff] [blame] | 2165 | struct p54_common *priv = dev->priv; |
Johannes Berg | e897558 | 2008-10-09 12:18:51 +0200 | [diff] [blame] | 2166 | struct ieee80211_conf *conf = &dev->conf; |
Michael Wu | eff1a59 | 2007-09-25 18:11:01 -0700 | [diff] [blame] | 2167 | |
Larry Finger | 6041e2a | 2008-08-03 17:58:36 -0500 | [diff] [blame] | 2168 | mutex_lock(&priv->conf_mutex); |
Christian Lamparter | b2023ddc | 2008-11-29 22:37:31 +0100 | [diff] [blame] | 2169 | if (changed & IEEE80211_CONF_CHANGE_POWER) |
| 2170 | priv->output_power = conf->power_level << 2; |
| 2171 | if (changed & IEEE80211_CONF_CHANGE_RADIO_ENABLED) { |
| 2172 | ret = p54_setup_mac(dev); |
| 2173 | if (ret) |
| 2174 | goto out; |
| 2175 | } |
| 2176 | if (changed & IEEE80211_CONF_CHANGE_CHANNEL) { |
Christian Lamparter | 69ba3e5 | 2008-12-14 14:45:30 +0100 | [diff] [blame] | 2177 | ret = p54_scan(dev, P54_SCAN_EXIT, 0); |
Christian Lamparter | b2023ddc | 2008-11-29 22:37:31 +0100 | [diff] [blame] | 2178 | if (ret) |
| 2179 | goto out; |
| 2180 | } |
Christian Lamparter | 2b8d4e2 | 2008-12-30 13:48:41 +0100 | [diff] [blame] | 2181 | if (changed & IEEE80211_CONF_CHANGE_PS) { |
| 2182 | ret = p54_set_ps(dev); |
| 2183 | if (ret) |
| 2184 | goto out; |
| 2185 | } |
Christian Lamparter | b2023ddc | 2008-11-29 22:37:31 +0100 | [diff] [blame] | 2186 | |
| 2187 | out: |
Larry Finger | 6041e2a | 2008-08-03 17:58:36 -0500 | [diff] [blame] | 2188 | mutex_unlock(&priv->conf_mutex); |
Michael Wu | eff1a59 | 2007-09-25 18:11:01 -0700 | [diff] [blame] | 2189 | return ret; |
| 2190 | } |
| 2191 | |
Johannes Berg | 4150c57 | 2007-09-17 01:29:23 -0400 | [diff] [blame] | 2192 | static void p54_configure_filter(struct ieee80211_hw *dev, |
| 2193 | unsigned int changed_flags, |
| 2194 | unsigned int *total_flags, |
| 2195 | int mc_count, struct dev_mc_list *mclist) |
| 2196 | { |
| 2197 | struct p54_common *priv = dev->priv; |
| 2198 | |
Christian Lamparter | b2023ddc | 2008-11-29 22:37:31 +0100 | [diff] [blame] | 2199 | *total_flags &= FIF_PROMISC_IN_BSS | |
Christian Lamparter | 346de73 | 2009-03-05 21:28:57 +0100 | [diff] [blame] | 2200 | FIF_OTHER_BSS; |
Christian Lamparter | 78d57eb | 2008-09-06 02:56:12 +0200 | [diff] [blame] | 2201 | |
| 2202 | priv->filter_flags = *total_flags; |
Johannes Berg | 4150c57 | 2007-09-17 01:29:23 -0400 | [diff] [blame] | 2203 | |
Christian Lamparter | 51eed99 | 2008-12-30 13:48:29 +0100 | [diff] [blame] | 2204 | if (changed_flags & (FIF_PROMISC_IN_BSS | FIF_OTHER_BSS)) |
Christian Lamparter | b2023ddc | 2008-11-29 22:37:31 +0100 | [diff] [blame] | 2205 | p54_setup_mac(dev); |
Johannes Berg | 4150c57 | 2007-09-17 01:29:23 -0400 | [diff] [blame] | 2206 | } |
| 2207 | |
Johannes Berg | e100bb6 | 2008-04-30 18:51:21 +0200 | [diff] [blame] | 2208 | static int p54_conf_tx(struct ieee80211_hw *dev, u16 queue, |
Michael Wu | eff1a59 | 2007-09-25 18:11:01 -0700 | [diff] [blame] | 2209 | const struct ieee80211_tx_queue_params *params) |
| 2210 | { |
| 2211 | struct p54_common *priv = dev->priv; |
Christian Lamparter | 9e7f3f8 | 2008-10-18 23:18:01 +0200 | [diff] [blame] | 2212 | int ret; |
Michael Wu | eff1a59 | 2007-09-25 18:11:01 -0700 | [diff] [blame] | 2213 | |
Christian Lamparter | 9e7f3f8 | 2008-10-18 23:18:01 +0200 | [diff] [blame] | 2214 | mutex_lock(&priv->conf_mutex); |
John W. Linville | 3df5ee6 | 2008-05-01 17:07:32 -0400 | [diff] [blame] | 2215 | if ((params) && !(queue > 4)) { |
Christian Lamparter | 0fdd7c5 | 2008-10-15 03:55:37 +0200 | [diff] [blame] | 2216 | P54_SET_QUEUE(priv->qos_params[queue], params->aifs, |
Johannes Berg | 3330d7b | 2008-02-10 16:49:38 +0100 | [diff] [blame] | 2217 | params->cw_min, params->cw_max, params->txop); |
Christian Lamparter | b50563a | 2008-11-24 14:52:51 +0100 | [diff] [blame] | 2218 | ret = p54_set_edcf(dev); |
Michael Wu | eff1a59 | 2007-09-25 18:11:01 -0700 | [diff] [blame] | 2219 | } else |
Christian Lamparter | 9e7f3f8 | 2008-10-18 23:18:01 +0200 | [diff] [blame] | 2220 | ret = -EINVAL; |
Christian Lamparter | 9e7f3f8 | 2008-10-18 23:18:01 +0200 | [diff] [blame] | 2221 | mutex_unlock(&priv->conf_mutex); |
| 2222 | return ret; |
Michael Wu | eff1a59 | 2007-09-25 18:11:01 -0700 | [diff] [blame] | 2223 | } |
| 2224 | |
Christian Lamparter | 1b99753 | 2008-09-06 14:25:58 +0200 | [diff] [blame] | 2225 | static int p54_init_xbow_synth(struct ieee80211_hw *dev) |
| 2226 | { |
| 2227 | struct p54_common *priv = dev->priv; |
Christian Lamparter | b92f30d | 2008-10-15 04:07:16 +0200 | [diff] [blame] | 2228 | struct sk_buff *skb; |
John W. Linville | 27df605 | 2008-10-22 16:41:55 -0400 | [diff] [blame] | 2229 | struct p54_xbow_synth *xbow; |
Christian Lamparter | 1b99753 | 2008-09-06 14:25:58 +0200 | [diff] [blame] | 2230 | |
Christian Lamparter | 63f2dc9 | 2009-01-09 21:05:31 +0100 | [diff] [blame] | 2231 | skb = p54_alloc_skb(dev, P54_HDR_FLAG_CONTROL_OPSET, sizeof(*xbow), |
| 2232 | P54_CONTROL_TYPE_XBOW_SYNTH_CFG, GFP_KERNEL); |
Christian Lamparter | b92f30d | 2008-10-15 04:07:16 +0200 | [diff] [blame] | 2233 | if (!skb) |
Christian Lamparter | 1b99753 | 2008-09-06 14:25:58 +0200 | [diff] [blame] | 2234 | return -ENOMEM; |
| 2235 | |
John W. Linville | 27df605 | 2008-10-22 16:41:55 -0400 | [diff] [blame] | 2236 | xbow = (struct p54_xbow_synth *)skb_put(skb, sizeof(*xbow)); |
Christian Lamparter | 1b99753 | 2008-09-06 14:25:58 +0200 | [diff] [blame] | 2237 | xbow->magic1 = cpu_to_le16(0x1); |
| 2238 | xbow->magic2 = cpu_to_le16(0x2); |
| 2239 | xbow->freq = cpu_to_le16(5390); |
Christian Lamparter | b92f30d | 2008-10-15 04:07:16 +0200 | [diff] [blame] | 2240 | memset(xbow->padding, 0, sizeof(xbow->padding)); |
Christian Lamparter | 0a5ec96 | 2008-12-14 15:05:42 +0100 | [diff] [blame] | 2241 | priv->tx(dev, skb); |
Christian Lamparter | 1b99753 | 2008-09-06 14:25:58 +0200 | [diff] [blame] | 2242 | return 0; |
| 2243 | } |
| 2244 | |
Christian Lamparter | 54fdb04 | 2008-12-13 14:14:20 +0100 | [diff] [blame] | 2245 | static void p54_work(struct work_struct *work) |
Christian Lamparter | cc6de66 | 2008-09-06 02:56:23 +0200 | [diff] [blame] | 2246 | { |
Christian Lamparter | 54fdb04 | 2008-12-13 14:14:20 +0100 | [diff] [blame] | 2247 | struct p54_common *priv = container_of(work, struct p54_common, |
| 2248 | work.work); |
| 2249 | struct ieee80211_hw *dev = priv->hw; |
| 2250 | struct sk_buff *skb; |
Christian Lamparter | cc6de66 | 2008-09-06 02:56:23 +0200 | [diff] [blame] | 2251 | |
Christian Lamparter | 54fdb04 | 2008-12-13 14:14:20 +0100 | [diff] [blame] | 2252 | if (unlikely(priv->mode == NL80211_IFTYPE_UNSPECIFIED)) |
| 2253 | return ; |
Christian Lamparter | cc6de66 | 2008-09-06 02:56:23 +0200 | [diff] [blame] | 2254 | |
Christian Lamparter | 54fdb04 | 2008-12-13 14:14:20 +0100 | [diff] [blame] | 2255 | /* |
| 2256 | * TODO: walk through tx_queue and do the following tasks |
| 2257 | * 1. initiate bursts. |
| 2258 | * 2. cancel stuck frames / reset the device if necessary. |
| 2259 | */ |
| 2260 | |
Christian Lamparter | 63f2dc9 | 2009-01-09 21:05:31 +0100 | [diff] [blame] | 2261 | skb = p54_alloc_skb(dev, P54_HDR_FLAG_CONTROL, |
Christian Lamparter | 54fdb04 | 2008-12-13 14:14:20 +0100 | [diff] [blame] | 2262 | sizeof(struct p54_statistics), |
| 2263 | P54_CONTROL_TYPE_STAT_READBACK, GFP_KERNEL); |
| 2264 | if (!skb) |
| 2265 | return ; |
| 2266 | |
Christian Lamparter | 0a5ec96 | 2008-12-14 15:05:42 +0100 | [diff] [blame] | 2267 | priv->tx(dev, skb); |
Christian Lamparter | cc6de66 | 2008-09-06 02:56:23 +0200 | [diff] [blame] | 2268 | } |
| 2269 | |
Michael Wu | eff1a59 | 2007-09-25 18:11:01 -0700 | [diff] [blame] | 2270 | static int p54_get_stats(struct ieee80211_hw *dev, |
| 2271 | struct ieee80211_low_level_stats *stats) |
| 2272 | { |
Christian Lamparter | cc6de66 | 2008-09-06 02:56:23 +0200 | [diff] [blame] | 2273 | struct p54_common *priv = dev->priv; |
| 2274 | |
Christian Lamparter | cc6de66 | 2008-09-06 02:56:23 +0200 | [diff] [blame] | 2275 | memcpy(stats, &priv->stats, sizeof(*stats)); |
Michael Wu | eff1a59 | 2007-09-25 18:11:01 -0700 | [diff] [blame] | 2276 | return 0; |
| 2277 | } |
| 2278 | |
| 2279 | static int p54_get_tx_stats(struct ieee80211_hw *dev, |
| 2280 | struct ieee80211_tx_queue_stats *stats) |
| 2281 | { |
| 2282 | struct p54_common *priv = dev->priv; |
Michael Wu | eff1a59 | 2007-09-25 18:11:01 -0700 | [diff] [blame] | 2283 | |
Christian Lamparter | a15bd00 | 2008-12-21 20:54:34 +0100 | [diff] [blame] | 2284 | memcpy(stats, &priv->tx_stats[P54_QUEUE_DATA], |
| 2285 | sizeof(stats[0]) * dev->queues); |
Michael Wu | eff1a59 | 2007-09-25 18:11:01 -0700 | [diff] [blame] | 2286 | return 0; |
| 2287 | } |
| 2288 | |
Christian Lamparter | 40333e4 | 2008-10-08 20:52:22 +0200 | [diff] [blame] | 2289 | static void p54_bss_info_changed(struct ieee80211_hw *dev, |
| 2290 | struct ieee80211_vif *vif, |
| 2291 | struct ieee80211_bss_conf *info, |
| 2292 | u32 changed) |
| 2293 | { |
| 2294 | struct p54_common *priv = dev->priv; |
Johannes Berg | 2d0ddec | 2009-04-23 16:13:26 +0200 | [diff] [blame] | 2295 | int ret; |
Christian Lamparter | 40333e4 | 2008-10-08 20:52:22 +0200 | [diff] [blame] | 2296 | |
Johannes Berg | 2d0ddec | 2009-04-23 16:13:26 +0200 | [diff] [blame] | 2297 | mutex_lock(&priv->conf_mutex); |
| 2298 | if (changed & BSS_CHANGED_BSSID) { |
| 2299 | memcpy(priv->bssid, info->bssid, ETH_ALEN); |
| 2300 | ret = p54_setup_mac(dev); |
| 2301 | if (ret) |
| 2302 | goto out; |
| 2303 | } |
| 2304 | |
| 2305 | if (changed & BSS_CHANGED_BEACON) { |
| 2306 | ret = p54_scan(dev, P54_SCAN_EXIT, 0); |
| 2307 | if (ret) |
| 2308 | goto out; |
| 2309 | ret = p54_setup_mac(dev); |
| 2310 | if (ret) |
| 2311 | goto out; |
| 2312 | ret = p54_beacon_update(dev, vif); |
| 2313 | if (ret) |
| 2314 | goto out; |
| 2315 | } |
| 2316 | /* XXX: this mimics having two callbacks... clean up */ |
| 2317 | out: |
| 2318 | mutex_unlock(&priv->conf_mutex); |
| 2319 | |
| 2320 | if (changed & (BSS_CHANGED_ERP_SLOT | BSS_CHANGED_BEACON)) { |
Christian Lamparter | 40333e4 | 2008-10-08 20:52:22 +0200 | [diff] [blame] | 2321 | priv->use_short_slot = info->use_short_slot; |
Christian Lamparter | 0fdd7c5 | 2008-10-15 03:55:37 +0200 | [diff] [blame] | 2322 | p54_set_edcf(dev); |
Christian Lamparter | 40333e4 | 2008-10-08 20:52:22 +0200 | [diff] [blame] | 2323 | } |
Christian Lamparter | ced0957 | 2008-11-14 19:42:39 +0100 | [diff] [blame] | 2324 | if (changed & BSS_CHANGED_BASIC_RATES) { |
| 2325 | if (dev->conf.channel->band == IEEE80211_BAND_5GHZ) |
| 2326 | priv->basic_rate_mask = (info->basic_rates << 4); |
| 2327 | else |
| 2328 | priv->basic_rate_mask = info->basic_rates; |
Christian Lamparter | b2023ddc | 2008-11-29 22:37:31 +0100 | [diff] [blame] | 2329 | p54_setup_mac(dev); |
Christian Lamparter | ced0957 | 2008-11-14 19:42:39 +0100 | [diff] [blame] | 2330 | if (priv->fw_var >= 0x500) |
Christian Lamparter | 69ba3e5 | 2008-12-14 14:45:30 +0100 | [diff] [blame] | 2331 | p54_scan(dev, P54_SCAN_EXIT, 0); |
Christian Lamparter | ced0957 | 2008-11-14 19:42:39 +0100 | [diff] [blame] | 2332 | } |
| 2333 | if (changed & BSS_CHANGED_ASSOC) { |
| 2334 | if (info->assoc) { |
| 2335 | priv->aid = info->aid; |
| 2336 | priv->wakeup_timer = info->beacon_int * |
| 2337 | info->dtim_period * 5; |
Christian Lamparter | b2023ddc | 2008-11-29 22:37:31 +0100 | [diff] [blame] | 2338 | p54_setup_mac(dev); |
Christian Lamparter | ced0957 | 2008-11-14 19:42:39 +0100 | [diff] [blame] | 2339 | } |
| 2340 | } |
Christian Lamparter | 40333e4 | 2008-10-08 20:52:22 +0200 | [diff] [blame] | 2341 | } |
| 2342 | |
Christian Lamparter | 25900ef | 2008-11-29 22:34:37 +0100 | [diff] [blame] | 2343 | static int p54_set_key(struct ieee80211_hw *dev, enum set_key_cmd cmd, |
Johannes Berg | dc822b5 | 2008-12-29 12:55:09 +0100 | [diff] [blame] | 2344 | struct ieee80211_vif *vif, struct ieee80211_sta *sta, |
Christian Lamparter | 25900ef | 2008-11-29 22:34:37 +0100 | [diff] [blame] | 2345 | struct ieee80211_key_conf *key) |
| 2346 | { |
| 2347 | struct p54_common *priv = dev->priv; |
| 2348 | struct sk_buff *skb; |
| 2349 | struct p54_keycache *rxkey; |
Christian Lamparter | 6dfe9a8 | 2009-04-11 03:58:01 +0200 | [diff] [blame] | 2350 | int slot, ret = 0; |
Christian Lamparter | 25900ef | 2008-11-29 22:34:37 +0100 | [diff] [blame] | 2351 | u8 algo = 0; |
| 2352 | |
| 2353 | if (modparam_nohwcrypt) |
| 2354 | return -EOPNOTSUPP; |
| 2355 | |
Christian Lamparter | 6dfe9a8 | 2009-04-11 03:58:01 +0200 | [diff] [blame] | 2356 | mutex_lock(&priv->conf_mutex); |
| 2357 | if (cmd == SET_KEY) { |
Christian Lamparter | 25900ef | 2008-11-29 22:34:37 +0100 | [diff] [blame] | 2358 | switch (key->alg) { |
| 2359 | case ALG_TKIP: |
| 2360 | if (!(priv->privacy_caps & (BR_DESC_PRIV_CAP_MICHAEL | |
Christian Lamparter | 6dfe9a8 | 2009-04-11 03:58:01 +0200 | [diff] [blame] | 2361 | BR_DESC_PRIV_CAP_TKIP))) { |
| 2362 | ret = -EOPNOTSUPP; |
| 2363 | goto out_unlock; |
| 2364 | } |
Christian Lamparter | 25900ef | 2008-11-29 22:34:37 +0100 | [diff] [blame] | 2365 | key->flags |= IEEE80211_KEY_FLAG_GENERATE_IV; |
| 2366 | algo = P54_CRYPTO_TKIPMICHAEL; |
| 2367 | break; |
| 2368 | case ALG_WEP: |
Christian Lamparter | 6dfe9a8 | 2009-04-11 03:58:01 +0200 | [diff] [blame] | 2369 | if (!(priv->privacy_caps & BR_DESC_PRIV_CAP_WEP)) { |
| 2370 | ret = -EOPNOTSUPP; |
| 2371 | goto out_unlock; |
| 2372 | } |
Christian Lamparter | 25900ef | 2008-11-29 22:34:37 +0100 | [diff] [blame] | 2373 | key->flags |= IEEE80211_KEY_FLAG_GENERATE_IV; |
| 2374 | algo = P54_CRYPTO_WEP; |
| 2375 | break; |
| 2376 | case ALG_CCMP: |
Christian Lamparter | 6dfe9a8 | 2009-04-11 03:58:01 +0200 | [diff] [blame] | 2377 | if (!(priv->privacy_caps & BR_DESC_PRIV_CAP_AESCCMP)) { |
| 2378 | ret = -EOPNOTSUPP; |
| 2379 | goto out_unlock; |
| 2380 | } |
Christian Lamparter | 25900ef | 2008-11-29 22:34:37 +0100 | [diff] [blame] | 2381 | key->flags |= IEEE80211_KEY_FLAG_GENERATE_IV; |
| 2382 | algo = P54_CRYPTO_AESCCMP; |
| 2383 | break; |
| 2384 | default: |
Christian Lamparter | 6dfe9a8 | 2009-04-11 03:58:01 +0200 | [diff] [blame] | 2385 | ret = -EOPNOTSUPP; |
| 2386 | goto out_unlock; |
Christian Lamparter | 25900ef | 2008-11-29 22:34:37 +0100 | [diff] [blame] | 2387 | } |
Christian Lamparter | 6dfe9a8 | 2009-04-11 03:58:01 +0200 | [diff] [blame] | 2388 | slot = bitmap_find_free_region(priv->used_rxkeys, |
| 2389 | priv->rx_keycache_size, 0); |
| 2390 | |
| 2391 | if (slot < 0) { |
| 2392 | /* |
| 2393 | * The device supports the choosen algorithm, but the |
| 2394 | * firmware does not provide enough key slots to store |
| 2395 | * all of them. |
| 2396 | * But encryption offload for outgoing frames is always |
| 2397 | * possible, so we just pretend that the upload was |
| 2398 | * successful and do the decryption in software. |
| 2399 | */ |
| 2400 | |
| 2401 | /* mark the key as invalid. */ |
| 2402 | key->hw_key_idx = 0xff; |
| 2403 | goto out_unlock; |
| 2404 | } |
| 2405 | } else { |
| 2406 | slot = key->hw_key_idx; |
| 2407 | |
| 2408 | if (slot == 0xff) { |
| 2409 | /* This key was not uploaded into the rx key cache. */ |
| 2410 | |
| 2411 | goto out_unlock; |
| 2412 | } |
| 2413 | |
| 2414 | bitmap_release_region(priv->used_rxkeys, slot, 0); |
| 2415 | algo = 0; |
Christian Lamparter | 25900ef | 2008-11-29 22:34:37 +0100 | [diff] [blame] | 2416 | } |
| 2417 | |
Christian Lamparter | 63f2dc9 | 2009-01-09 21:05:31 +0100 | [diff] [blame] | 2418 | skb = p54_alloc_skb(dev, P54_HDR_FLAG_CONTROL_OPSET, sizeof(*rxkey), |
Christian Lamparter | 6dfe9a8 | 2009-04-11 03:58:01 +0200 | [diff] [blame] | 2419 | P54_CONTROL_TYPE_RX_KEYCACHE, GFP_KERNEL); |
Christian Lamparter | 25900ef | 2008-11-29 22:34:37 +0100 | [diff] [blame] | 2420 | if (!skb) { |
Christian Lamparter | 6dfe9a8 | 2009-04-11 03:58:01 +0200 | [diff] [blame] | 2421 | bitmap_release_region(priv->used_rxkeys, slot, 0); |
| 2422 | ret = -ENOSPC; |
| 2423 | goto out_unlock; |
Christian Lamparter | 25900ef | 2008-11-29 22:34:37 +0100 | [diff] [blame] | 2424 | } |
| 2425 | |
Christian Lamparter | 25900ef | 2008-11-29 22:34:37 +0100 | [diff] [blame] | 2426 | rxkey = (struct p54_keycache *)skb_put(skb, sizeof(*rxkey)); |
Christian Lamparter | 6dfe9a8 | 2009-04-11 03:58:01 +0200 | [diff] [blame] | 2427 | rxkey->entry = slot; |
Christian Lamparter | 25900ef | 2008-11-29 22:34:37 +0100 | [diff] [blame] | 2428 | rxkey->key_id = key->keyidx; |
| 2429 | rxkey->key_type = algo; |
Johannes Berg | dc822b5 | 2008-12-29 12:55:09 +0100 | [diff] [blame] | 2430 | if (sta) |
| 2431 | memcpy(rxkey->mac, sta->addr, ETH_ALEN); |
Christian Lamparter | 25900ef | 2008-11-29 22:34:37 +0100 | [diff] [blame] | 2432 | else |
| 2433 | memset(rxkey->mac, ~0, ETH_ALEN); |
| 2434 | if (key->alg != ALG_TKIP) { |
| 2435 | rxkey->key_len = min((u8)16, key->keylen); |
| 2436 | memcpy(rxkey->key, key->key, rxkey->key_len); |
| 2437 | } else { |
| 2438 | rxkey->key_len = 24; |
| 2439 | memcpy(rxkey->key, key->key, 16); |
| 2440 | memcpy(&(rxkey->key[16]), &(key->key |
| 2441 | [NL80211_TKIP_DATA_OFFSET_RX_MIC_KEY]), 8); |
| 2442 | } |
| 2443 | |
Christian Lamparter | 0a5ec96 | 2008-12-14 15:05:42 +0100 | [diff] [blame] | 2444 | priv->tx(dev, skb); |
Christian Lamparter | 6dfe9a8 | 2009-04-11 03:58:01 +0200 | [diff] [blame] | 2445 | key->hw_key_idx = slot; |
| 2446 | |
| 2447 | out_unlock: |
Christian Lamparter | 25900ef | 2008-11-29 22:34:37 +0100 | [diff] [blame] | 2448 | mutex_unlock(&priv->conf_mutex); |
Christian Lamparter | 6dfe9a8 | 2009-04-11 03:58:01 +0200 | [diff] [blame] | 2449 | return ret; |
Christian Lamparter | 25900ef | 2008-11-29 22:34:37 +0100 | [diff] [blame] | 2450 | } |
| 2451 | |
Christian Lamparter | d8cd7ef | 2009-03-23 15:37:45 +0100 | [diff] [blame] | 2452 | #ifdef CONFIG_P54_LEDS |
Christian Lamparter | dce0725 | 2009-03-25 03:12:18 +0100 | [diff] [blame] | 2453 | static void p54_update_leds(struct work_struct *work) |
| 2454 | { |
| 2455 | struct p54_common *priv = container_of(work, struct p54_common, |
| 2456 | led_work.work); |
| 2457 | int err, i, tmp, blink_delay = 400; |
| 2458 | bool rerun = false; |
| 2459 | |
| 2460 | /* Don't toggle the LED, when the device is down. */ |
| 2461 | if (priv->mode == NL80211_IFTYPE_UNSPECIFIED) |
| 2462 | return ; |
| 2463 | |
| 2464 | for (i = 0; i < ARRAY_SIZE(priv->leds); i++) |
| 2465 | if (priv->leds[i].toggled) { |
| 2466 | priv->softled_state |= BIT(i); |
| 2467 | |
| 2468 | tmp = 70 + 200 / (priv->leds[i].toggled); |
| 2469 | if (tmp < blink_delay) |
| 2470 | blink_delay = tmp; |
| 2471 | |
| 2472 | if (priv->leds[i].led_dev.brightness == LED_OFF) |
| 2473 | rerun = true; |
| 2474 | |
| 2475 | priv->leds[i].toggled = |
| 2476 | !!priv->leds[i].led_dev.brightness; |
| 2477 | } else |
| 2478 | priv->softled_state &= ~BIT(i); |
| 2479 | |
| 2480 | err = p54_set_leds(priv->hw); |
| 2481 | if (err && net_ratelimit()) |
| 2482 | printk(KERN_ERR "%s: failed to update LEDs.\n", |
| 2483 | wiphy_name(priv->hw->wiphy)); |
| 2484 | |
| 2485 | if (rerun) |
| 2486 | queue_delayed_work(priv->hw->workqueue, &priv->led_work, |
| 2487 | msecs_to_jiffies(blink_delay)); |
| 2488 | } |
| 2489 | |
Christian Lamparter | d0b45ae | 2009-03-06 01:02:04 +0100 | [diff] [blame] | 2490 | static void p54_led_brightness_set(struct led_classdev *led_dev, |
| 2491 | enum led_brightness brightness) |
| 2492 | { |
| 2493 | struct p54_led_dev *led = container_of(led_dev, struct p54_led_dev, |
| 2494 | led_dev); |
| 2495 | struct ieee80211_hw *dev = led->hw_dev; |
| 2496 | struct p54_common *priv = dev->priv; |
Christian Lamparter | d0b45ae | 2009-03-06 01:02:04 +0100 | [diff] [blame] | 2497 | |
Christian Lamparter | d0b45ae | 2009-03-06 01:02:04 +0100 | [diff] [blame] | 2498 | if (priv->mode == NL80211_IFTYPE_UNSPECIFIED) |
| 2499 | return ; |
| 2500 | |
Christian Lamparter | dce0725 | 2009-03-25 03:12:18 +0100 | [diff] [blame] | 2501 | if (brightness) { |
| 2502 | led->toggled++; |
| 2503 | queue_delayed_work(priv->hw->workqueue, &priv->led_work, |
| 2504 | HZ/10); |
| 2505 | } |
Christian Lamparter | d0b45ae | 2009-03-06 01:02:04 +0100 | [diff] [blame] | 2506 | } |
| 2507 | |
| 2508 | static int p54_register_led(struct ieee80211_hw *dev, |
Christian Lamparter | d0b45ae | 2009-03-06 01:02:04 +0100 | [diff] [blame] | 2509 | unsigned int led_index, |
| 2510 | char *name, char *trigger) |
| 2511 | { |
Christian Lamparter | dce0725 | 2009-03-25 03:12:18 +0100 | [diff] [blame] | 2512 | struct p54_common *priv = dev->priv; |
| 2513 | struct p54_led_dev *led = &priv->leds[led_index]; |
Christian Lamparter | d0b45ae | 2009-03-06 01:02:04 +0100 | [diff] [blame] | 2514 | int err; |
| 2515 | |
| 2516 | if (led->registered) |
| 2517 | return -EEXIST; |
| 2518 | |
| 2519 | snprintf(led->name, sizeof(led->name), "p54-%s::%s", |
| 2520 | wiphy_name(dev->wiphy), name); |
| 2521 | led->hw_dev = dev; |
| 2522 | led->index = led_index; |
| 2523 | led->led_dev.name = led->name; |
| 2524 | led->led_dev.default_trigger = trigger; |
| 2525 | led->led_dev.brightness_set = p54_led_brightness_set; |
| 2526 | |
| 2527 | err = led_classdev_register(wiphy_dev(dev->wiphy), &led->led_dev); |
| 2528 | if (err) |
| 2529 | printk(KERN_ERR "%s: Failed to register %s LED.\n", |
| 2530 | wiphy_name(dev->wiphy), name); |
| 2531 | else |
| 2532 | led->registered = 1; |
| 2533 | |
| 2534 | return err; |
| 2535 | } |
| 2536 | |
| 2537 | static int p54_init_leds(struct ieee80211_hw *dev) |
| 2538 | { |
| 2539 | struct p54_common *priv = dev->priv; |
| 2540 | int err; |
| 2541 | |
| 2542 | /* |
| 2543 | * TODO: |
| 2544 | * Figure out if the EEPROM contains some hints about the number |
| 2545 | * of available/programmable LEDs of the device. |
Christian Lamparter | d0b45ae | 2009-03-06 01:02:04 +0100 | [diff] [blame] | 2546 | */ |
| 2547 | |
Christian Lamparter | dce0725 | 2009-03-25 03:12:18 +0100 | [diff] [blame] | 2548 | INIT_DELAYED_WORK(&priv->led_work, p54_update_leds); |
| 2549 | |
| 2550 | err = p54_register_led(dev, 0, "assoc", |
Christian Lamparter | d0b45ae | 2009-03-06 01:02:04 +0100 | [diff] [blame] | 2551 | ieee80211_get_assoc_led_name(dev)); |
| 2552 | if (err) |
| 2553 | return err; |
| 2554 | |
Christian Lamparter | dce0725 | 2009-03-25 03:12:18 +0100 | [diff] [blame] | 2555 | err = p54_register_led(dev, 1, "tx", |
Christian Lamparter | d0b45ae | 2009-03-06 01:02:04 +0100 | [diff] [blame] | 2556 | ieee80211_get_tx_led_name(dev)); |
| 2557 | if (err) |
| 2558 | return err; |
| 2559 | |
Christian Lamparter | dce0725 | 2009-03-25 03:12:18 +0100 | [diff] [blame] | 2560 | err = p54_register_led(dev, 2, "rx", |
| 2561 | ieee80211_get_rx_led_name(dev)); |
| 2562 | if (err) |
| 2563 | return err; |
| 2564 | |
| 2565 | err = p54_register_led(dev, 3, "radio", |
| 2566 | ieee80211_get_radio_led_name(dev)); |
| 2567 | if (err) |
| 2568 | return err; |
| 2569 | |
Christian Lamparter | d0b45ae | 2009-03-06 01:02:04 +0100 | [diff] [blame] | 2570 | err = p54_set_leds(dev); |
| 2571 | return err; |
| 2572 | } |
| 2573 | |
| 2574 | static void p54_unregister_leds(struct ieee80211_hw *dev) |
| 2575 | { |
| 2576 | struct p54_common *priv = dev->priv; |
Christian Lamparter | dce0725 | 2009-03-25 03:12:18 +0100 | [diff] [blame] | 2577 | int i; |
Christian Lamparter | d0b45ae | 2009-03-06 01:02:04 +0100 | [diff] [blame] | 2578 | |
Christian Lamparter | dce0725 | 2009-03-25 03:12:18 +0100 | [diff] [blame] | 2579 | for (i = 0; i < ARRAY_SIZE(priv->leds); i++) |
| 2580 | if (priv->leds[i].registered) |
| 2581 | led_classdev_unregister(&priv->leds[i].led_dev); |
Christian Lamparter | d0b45ae | 2009-03-06 01:02:04 +0100 | [diff] [blame] | 2582 | } |
Christian Lamparter | d8cd7ef | 2009-03-23 15:37:45 +0100 | [diff] [blame] | 2583 | #endif /* CONFIG_P54_LEDS */ |
Christian Lamparter | d0b45ae | 2009-03-06 01:02:04 +0100 | [diff] [blame] | 2584 | |
Michael Wu | eff1a59 | 2007-09-25 18:11:01 -0700 | [diff] [blame] | 2585 | static const struct ieee80211_ops p54_ops = { |
| 2586 | .tx = p54_tx, |
Johannes Berg | 4150c57 | 2007-09-17 01:29:23 -0400 | [diff] [blame] | 2587 | .start = p54_start, |
| 2588 | .stop = p54_stop, |
Michael Wu | eff1a59 | 2007-09-25 18:11:01 -0700 | [diff] [blame] | 2589 | .add_interface = p54_add_interface, |
| 2590 | .remove_interface = p54_remove_interface, |
Christian Lamparter | e5ea92a | 2008-10-18 23:19:00 +0200 | [diff] [blame] | 2591 | .set_tim = p54_set_tim, |
Christian Lamparter | c772a08 | 2008-11-29 22:33:57 +0100 | [diff] [blame] | 2592 | .sta_notify = p54_sta_notify, |
Christian Lamparter | 25900ef | 2008-11-29 22:34:37 +0100 | [diff] [blame] | 2593 | .set_key = p54_set_key, |
Michael Wu | eff1a59 | 2007-09-25 18:11:01 -0700 | [diff] [blame] | 2594 | .config = p54_config, |
Christian Lamparter | 40333e4 | 2008-10-08 20:52:22 +0200 | [diff] [blame] | 2595 | .bss_info_changed = p54_bss_info_changed, |
Johannes Berg | 4150c57 | 2007-09-17 01:29:23 -0400 | [diff] [blame] | 2596 | .configure_filter = p54_configure_filter, |
Michael Wu | eff1a59 | 2007-09-25 18:11:01 -0700 | [diff] [blame] | 2597 | .conf_tx = p54_conf_tx, |
| 2598 | .get_stats = p54_get_stats, |
| 2599 | .get_tx_stats = p54_get_tx_stats |
| 2600 | }; |
| 2601 | |
| 2602 | struct ieee80211_hw *p54_init_common(size_t priv_data_len) |
| 2603 | { |
| 2604 | struct ieee80211_hw *dev; |
| 2605 | struct p54_common *priv; |
Michael Wu | eff1a59 | 2007-09-25 18:11:01 -0700 | [diff] [blame] | 2606 | |
| 2607 | dev = ieee80211_alloc_hw(priv_data_len, &p54_ops); |
| 2608 | if (!dev) |
| 2609 | return NULL; |
| 2610 | |
| 2611 | priv = dev->priv; |
Christian Lamparter | 54fdb04 | 2008-12-13 14:14:20 +0100 | [diff] [blame] | 2612 | priv->hw = dev; |
Johannes Berg | 05c914f | 2008-09-11 00:01:58 +0200 | [diff] [blame] | 2613 | priv->mode = NL80211_IFTYPE_UNSPECIFIED; |
Christian Lamparter | ced0957 | 2008-11-14 19:42:39 +0100 | [diff] [blame] | 2614 | priv->basic_rate_mask = 0x15f; |
Michael Wu | eff1a59 | 2007-09-25 18:11:01 -0700 | [diff] [blame] | 2615 | skb_queue_head_init(&priv->tx_queue); |
Christian Lamparter | 94585b0 | 2008-10-18 23:18:44 +0200 | [diff] [blame] | 2616 | dev->flags = IEEE80211_HW_RX_INCLUDES_FCS | |
Christian Lamparter | cc6de66 | 2008-09-06 02:56:23 +0200 | [diff] [blame] | 2617 | IEEE80211_HW_SIGNAL_DBM | |
Christian Lamparter | fade5db | 2009-04-17 15:14:22 +0200 | [diff] [blame] | 2618 | IEEE80211_HW_NOISE_DBM; |
Luis R. Rodriguez | f59ac04 | 2008-08-29 16:26:43 -0700 | [diff] [blame] | 2619 | |
Christian Lamparter | d131bb5 | 2008-11-15 17:02:31 +0100 | [diff] [blame] | 2620 | dev->wiphy->interface_modes = BIT(NL80211_IFTYPE_STATION) | |
| 2621 | BIT(NL80211_IFTYPE_ADHOC) | |
| 2622 | BIT(NL80211_IFTYPE_AP) | |
| 2623 | BIT(NL80211_IFTYPE_MESH_POINT); |
Luis R. Rodriguez | f59ac04 | 2008-08-29 16:26:43 -0700 | [diff] [blame] | 2624 | |
Michael Wu | eff1a59 | 2007-09-25 18:11:01 -0700 | [diff] [blame] | 2625 | dev->channel_change_time = 1000; /* TODO: find actual value */ |
Christian Lamparter | a15bd00 | 2008-12-21 20:54:34 +0100 | [diff] [blame] | 2626 | priv->tx_stats[P54_QUEUE_BEACON].limit = 1; |
| 2627 | priv->tx_stats[P54_QUEUE_FWSCAN].limit = 1; |
| 2628 | priv->tx_stats[P54_QUEUE_MGMT].limit = 3; |
| 2629 | priv->tx_stats[P54_QUEUE_CAB].limit = 3; |
| 2630 | priv->tx_stats[P54_QUEUE_DATA].limit = 5; |
Michael Wu | eff1a59 | 2007-09-25 18:11:01 -0700 | [diff] [blame] | 2631 | dev->queues = 1; |
Christian Lamparter | cc6de66 | 2008-09-06 02:56:23 +0200 | [diff] [blame] | 2632 | priv->noise = -94; |
Johannes Berg | c12abae | 2008-10-14 16:56:51 +0200 | [diff] [blame] | 2633 | /* |
| 2634 | * We support at most 8 tries no matter which rate they're at, |
| 2635 | * we cannot support max_rates * max_rate_tries as we set it |
| 2636 | * here, but setting it correctly to 4/2 or so would limit us |
| 2637 | * artificially if the RC algorithm wants just two rates, so |
| 2638 | * let's say 4/7, we'll redistribute it at TX time, see the |
| 2639 | * comments there. |
| 2640 | */ |
| 2641 | dev->max_rates = 4; |
| 2642 | dev->max_rate_tries = 7; |
John W. Linville | 27df605 | 2008-10-22 16:41:55 -0400 | [diff] [blame] | 2643 | dev->extra_tx_headroom = sizeof(struct p54_hdr) + 4 + |
| 2644 | sizeof(struct p54_tx_data); |
Michael Wu | eff1a59 | 2007-09-25 18:11:01 -0700 | [diff] [blame] | 2645 | |
Larry Finger | 6041e2a | 2008-08-03 17:58:36 -0500 | [diff] [blame] | 2646 | mutex_init(&priv->conf_mutex); |
Christian Lamparter | 7cb7707 | 2008-09-01 22:48:51 +0200 | [diff] [blame] | 2647 | init_completion(&priv->eeprom_comp); |
Christian Lamparter | 54fdb04 | 2008-12-13 14:14:20 +0100 | [diff] [blame] | 2648 | INIT_DELAYED_WORK(&priv->work, p54_work); |
Michael Wu | eff1a59 | 2007-09-25 18:11:01 -0700 | [diff] [blame] | 2649 | |
Michael Wu | eff1a59 | 2007-09-25 18:11:01 -0700 | [diff] [blame] | 2650 | return dev; |
| 2651 | } |
| 2652 | EXPORT_SYMBOL_GPL(p54_init_common); |
| 2653 | |
Christian Lamparter | 2ac7107 | 2009-03-05 21:30:10 +0100 | [diff] [blame] | 2654 | int p54_register_common(struct ieee80211_hw *dev, struct device *pdev) |
| 2655 | { |
| 2656 | int err; |
| 2657 | |
| 2658 | err = ieee80211_register_hw(dev); |
| 2659 | if (err) { |
| 2660 | dev_err(pdev, "Cannot register device (%d).\n", err); |
| 2661 | return err; |
| 2662 | } |
| 2663 | |
Christian Lamparter | d8cd7ef | 2009-03-23 15:37:45 +0100 | [diff] [blame] | 2664 | #ifdef CONFIG_P54_LEDS |
Christian Lamparter | d0b45ae | 2009-03-06 01:02:04 +0100 | [diff] [blame] | 2665 | err = p54_init_leds(dev); |
| 2666 | if (err) |
| 2667 | return err; |
Christian Lamparter | d8cd7ef | 2009-03-23 15:37:45 +0100 | [diff] [blame] | 2668 | #endif /* CONFIG_P54_LEDS */ |
Christian Lamparter | d0b45ae | 2009-03-06 01:02:04 +0100 | [diff] [blame] | 2669 | |
Christian Lamparter | 2ac7107 | 2009-03-05 21:30:10 +0100 | [diff] [blame] | 2670 | dev_info(pdev, "is registered as '%s'\n", wiphy_name(dev->wiphy)); |
| 2671 | return 0; |
| 2672 | } |
| 2673 | EXPORT_SYMBOL_GPL(p54_register_common); |
| 2674 | |
Michael Wu | eff1a59 | 2007-09-25 18:11:01 -0700 | [diff] [blame] | 2675 | void p54_free_common(struct ieee80211_hw *dev) |
| 2676 | { |
| 2677 | struct p54_common *priv = dev->priv; |
Michael Wu | eff1a59 | 2007-09-25 18:11:01 -0700 | [diff] [blame] | 2678 | kfree(priv->iq_autocal); |
| 2679 | kfree(priv->output_limit); |
| 2680 | kfree(priv->curve_data); |
Christian Lamparter | 6dfe9a8 | 2009-04-11 03:58:01 +0200 | [diff] [blame] | 2681 | kfree(priv->used_rxkeys); |
Christian Lamparter | d0b45ae | 2009-03-06 01:02:04 +0100 | [diff] [blame] | 2682 | |
Christian Lamparter | d8cd7ef | 2009-03-23 15:37:45 +0100 | [diff] [blame] | 2683 | #ifdef CONFIG_P54_LEDS |
Christian Lamparter | d0b45ae | 2009-03-06 01:02:04 +0100 | [diff] [blame] | 2684 | p54_unregister_leds(dev); |
Christian Lamparter | d8cd7ef | 2009-03-23 15:37:45 +0100 | [diff] [blame] | 2685 | #endif /* CONFIG_P54_LEDS */ |
Michael Wu | eff1a59 | 2007-09-25 18:11:01 -0700 | [diff] [blame] | 2686 | } |
| 2687 | EXPORT_SYMBOL_GPL(p54_free_common); |