| 1 | /****************************************************************************** |
| 2 | * |
| 3 | * Copyright(c) 2003 - 2011 Intel Corporation. All rights reserved. |
| 4 | * |
| 5 | * This program is free software; you can redistribute it and/or modify it |
| 6 | * under the terms of version 2 of the GNU General Public License as |
| 7 | * published by the Free Software Foundation. |
| 8 | * |
| 9 | * This program is distributed in the hope that it will be useful, but WITHOUT |
| 10 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| 11 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for |
| 12 | * more details. |
| 13 | * |
| 14 | * You should have received a copy of the GNU General Public License along with |
| 15 | * this program; if not, write to the Free Software Foundation, Inc., |
| 16 | * 51 Franklin Street, Fifth Floor, Boston, MA 02110, USA |
| 17 | * |
| 18 | * The full GNU General Public License is included in this distribution in the |
| 19 | * file called LICENSE. |
| 20 | * |
| 21 | * Contact Information: |
| 22 | * Intel Linux Wireless <ilw@linux.intel.com> |
| 23 | * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497 |
| 24 | * |
| 25 | *****************************************************************************/ |
| 26 | /* |
| 27 | * Please use this file (iwl-dev.h) for driver implementation definitions. |
| 28 | * Please use iwl-commands.h for uCode API definitions. |
| 29 | */ |
| 30 | |
| 31 | #ifndef __iwl_dev_h__ |
| 32 | #define __iwl_dev_h__ |
| 33 | |
| 34 | #include <linux/pci.h> /* for struct pci_device_id */ |
| 35 | #include <linux/kernel.h> |
| 36 | #include <linux/wait.h> |
| 37 | #include <linux/leds.h> |
| 38 | #include <net/ieee80211_radiotap.h> |
| 39 | |
| 40 | #include "iwl-eeprom.h" |
| 41 | #include "iwl-csr.h" |
| 42 | #include "iwl-prph.h" |
| 43 | #include "iwl-fh.h" |
| 44 | #include "iwl-debug.h" |
| 45 | #include "iwl-agn-hw.h" |
| 46 | #include "iwl-led.h" |
| 47 | #include "iwl-power.h" |
| 48 | #include "iwl-agn-rs.h" |
| 49 | #include "iwl-agn-tt.h" |
| 50 | |
| 51 | #define DRV_NAME "iwlagn" |
| 52 | |
| 53 | struct iwl_tx_queue; |
| 54 | |
| 55 | /* CT-KILL constants */ |
| 56 | #define CT_KILL_THRESHOLD_LEGACY 110 /* in Celsius */ |
| 57 | #define CT_KILL_THRESHOLD 114 /* in Celsius */ |
| 58 | #define CT_KILL_EXIT_THRESHOLD 95 /* in Celsius */ |
| 59 | |
| 60 | /* Default noise level to report when noise measurement is not available. |
| 61 | * This may be because we're: |
| 62 | * 1) Not associated (4965, no beacon statistics being sent to driver) |
| 63 | * 2) Scanning (noise measurement does not apply to associated channel) |
| 64 | * 3) Receiving CCK (3945 delivers noise info only for OFDM frames) |
| 65 | * Use default noise value of -127 ... this is below the range of measurable |
| 66 | * Rx dBm for either 3945 or 4965, so it can indicate "unmeasurable" to user. |
| 67 | * Also, -127 works better than 0 when averaging frames with/without |
| 68 | * noise info (e.g. averaging might be done in app); measured dBm values are |
| 69 | * always negative ... using a negative value as the default keeps all |
| 70 | * averages within an s8's (used in some apps) range of negative values. */ |
| 71 | #define IWL_NOISE_MEAS_NOT_AVAILABLE (-127) |
| 72 | |
| 73 | /* |
| 74 | * RTS threshold here is total size [2347] minus 4 FCS bytes |
| 75 | * Per spec: |
| 76 | * a value of 0 means RTS on all data/management packets |
| 77 | * a value > max MSDU size means no RTS |
| 78 | * else RTS for data/management frames where MPDU is larger |
| 79 | * than RTS value. |
| 80 | */ |
| 81 | #define DEFAULT_RTS_THRESHOLD 2347U |
| 82 | #define MIN_RTS_THRESHOLD 0U |
| 83 | #define MAX_RTS_THRESHOLD 2347U |
| 84 | #define MAX_MSDU_SIZE 2304U |
| 85 | #define MAX_MPDU_SIZE 2346U |
| 86 | #define DEFAULT_BEACON_INTERVAL 200U |
| 87 | #define DEFAULT_SHORT_RETRY_LIMIT 7U |
| 88 | #define DEFAULT_LONG_RETRY_LIMIT 4U |
| 89 | |
| 90 | struct iwl_rx_mem_buffer { |
| 91 | dma_addr_t page_dma; |
| 92 | struct page *page; |
| 93 | struct list_head list; |
| 94 | }; |
| 95 | |
| 96 | #define rxb_addr(r) page_address(r->page) |
| 97 | |
| 98 | /* defined below */ |
| 99 | struct iwl_device_cmd; |
| 100 | |
| 101 | struct iwl_cmd_meta { |
| 102 | /* only for SYNC commands, iff the reply skb is wanted */ |
| 103 | struct iwl_host_cmd *source; |
| 104 | /* |
| 105 | * only for ASYNC commands |
| 106 | * (which is somewhat stupid -- look at iwl-sta.c for instance |
| 107 | * which duplicates a bunch of code because the callback isn't |
| 108 | * invoked for SYNC commands, if it were and its result passed |
| 109 | * through it would be simpler...) |
| 110 | */ |
| 111 | void (*callback)(struct iwl_priv *priv, |
| 112 | struct iwl_device_cmd *cmd, |
| 113 | struct iwl_rx_packet *pkt); |
| 114 | |
| 115 | u32 flags; |
| 116 | |
| 117 | DEFINE_DMA_UNMAP_ADDR(mapping); |
| 118 | DEFINE_DMA_UNMAP_LEN(len); |
| 119 | }; |
| 120 | |
| 121 | /* |
| 122 | * Generic queue structure |
| 123 | * |
| 124 | * Contains common data for Rx and Tx queues. |
| 125 | * |
| 126 | * Note the difference between n_bd and n_window: the hardware |
| 127 | * always assumes 256 descriptors, so n_bd is always 256 (unless |
| 128 | * there might be HW changes in the future). For the normal TX |
| 129 | * queues, n_window, which is the size of the software queue data |
| 130 | * is also 256; however, for the command queue, n_window is only |
| 131 | * 32 since we don't need so many commands pending. Since the HW |
| 132 | * still uses 256 BDs for DMA though, n_bd stays 256. As a result, |
| 133 | * the software buffers (in the variables @meta, @txb in struct |
| 134 | * iwl_tx_queue) only have 32 entries, while the HW buffers (@tfds |
| 135 | * in the same struct) have 256. |
| 136 | * This means that we end up with the following: |
| 137 | * HW entries: | 0 | ... | N * 32 | ... | N * 32 + 31 | ... | 255 | |
| 138 | * SW entries: | 0 | ... | 31 | |
| 139 | * where N is a number between 0 and 7. This means that the SW |
| 140 | * data is a window overlayed over the HW queue. |
| 141 | */ |
| 142 | struct iwl_queue { |
| 143 | int n_bd; /* number of BDs in this queue */ |
| 144 | int write_ptr; /* 1-st empty entry (index) host_w*/ |
| 145 | int read_ptr; /* last used entry (index) host_r*/ |
| 146 | /* use for monitoring and recovering the stuck queue */ |
| 147 | dma_addr_t dma_addr; /* physical addr for BD's */ |
| 148 | int n_window; /* safe queue window */ |
| 149 | u32 id; |
| 150 | int low_mark; /* low watermark, resume queue if free |
| 151 | * space more than this */ |
| 152 | int high_mark; /* high watermark, stop queue if free |
| 153 | * space less than this */ |
| 154 | }; |
| 155 | |
| 156 | /* One for each TFD */ |
| 157 | struct iwl_tx_info { |
| 158 | struct sk_buff *skb; |
| 159 | struct iwl_rxon_context *ctx; |
| 160 | }; |
| 161 | |
| 162 | /** |
| 163 | * struct iwl_tx_queue - Tx Queue for DMA |
| 164 | * @q: generic Rx/Tx queue descriptor |
| 165 | * @bd: base of circular buffer of TFDs |
| 166 | * @cmd: array of command/TX buffer pointers |
| 167 | * @meta: array of meta data for each command/tx buffer |
| 168 | * @dma_addr_cmd: physical address of cmd/tx buffer array |
| 169 | * @txb: array of per-TFD driver data |
| 170 | * @time_stamp: time (in jiffies) of last read_ptr change |
| 171 | * @need_update: indicates need to update read/write index |
| 172 | * @sched_retry: indicates queue is high-throughput aggregation (HT AGG) enabled |
| 173 | * |
| 174 | * A Tx queue consists of circular buffer of BDs (a.k.a. TFDs, transmit frame |
| 175 | * descriptors) and required locking structures. |
| 176 | */ |
| 177 | #define TFD_TX_CMD_SLOTS 256 |
| 178 | #define TFD_CMD_SLOTS 32 |
| 179 | |
| 180 | struct iwl_tx_queue { |
| 181 | struct iwl_queue q; |
| 182 | struct iwl_tfd *tfds; |
| 183 | struct iwl_device_cmd **cmd; |
| 184 | struct iwl_cmd_meta *meta; |
| 185 | struct iwl_tx_info *txb; |
| 186 | unsigned long time_stamp; |
| 187 | u8 need_update; |
| 188 | u8 sched_retry; |
| 189 | u8 active; |
| 190 | u8 swq_id; |
| 191 | }; |
| 192 | |
| 193 | #define IWL_NUM_SCAN_RATES (2) |
| 194 | |
| 195 | /* |
| 196 | * One for each channel, holds all channel setup data |
| 197 | * Some of the fields (e.g. eeprom and flags/max_power_avg) are redundant |
| 198 | * with one another! |
| 199 | */ |
| 200 | struct iwl_channel_info { |
| 201 | struct iwl_eeprom_channel eeprom; /* EEPROM regulatory limit */ |
| 202 | struct iwl_eeprom_channel ht40_eeprom; /* EEPROM regulatory limit for |
| 203 | * HT40 channel */ |
| 204 | |
| 205 | u8 channel; /* channel number */ |
| 206 | u8 flags; /* flags copied from EEPROM */ |
| 207 | s8 max_power_avg; /* (dBm) regul. eeprom, normal Tx, any rate */ |
| 208 | s8 curr_txpow; /* (dBm) regulatory/spectrum/user (not h/w) limit */ |
| 209 | s8 min_power; /* always 0 */ |
| 210 | s8 scan_power; /* (dBm) regul. eeprom, direct scans, any rate */ |
| 211 | |
| 212 | u8 group_index; /* 0-4, maps channel to group1/2/3/4/5 */ |
| 213 | u8 band_index; /* 0-4, maps channel to band1/2/3/4/5 */ |
| 214 | enum ieee80211_band band; |
| 215 | |
| 216 | /* HT40 channel info */ |
| 217 | s8 ht40_max_power_avg; /* (dBm) regul. eeprom, normal Tx, any rate */ |
| 218 | u8 ht40_flags; /* flags copied from EEPROM */ |
| 219 | u8 ht40_extension_channel; /* HT_IE_EXT_CHANNEL_* */ |
| 220 | }; |
| 221 | |
| 222 | #define IWL_TX_FIFO_BK 0 /* shared */ |
| 223 | #define IWL_TX_FIFO_BE 1 |
| 224 | #define IWL_TX_FIFO_VI 2 /* shared */ |
| 225 | #define IWL_TX_FIFO_VO 3 |
| 226 | #define IWL_TX_FIFO_BK_IPAN IWL_TX_FIFO_BK |
| 227 | #define IWL_TX_FIFO_BE_IPAN 4 |
| 228 | #define IWL_TX_FIFO_VI_IPAN IWL_TX_FIFO_VI |
| 229 | #define IWL_TX_FIFO_VO_IPAN 5 |
| 230 | #define IWL_TX_FIFO_UNUSED -1 |
| 231 | |
| 232 | /* Minimum number of queues. MAX_NUM is defined in hw specific files. |
| 233 | * Set the minimum to accommodate the 4 standard TX queues, 1 command |
| 234 | * queue, 2 (unused) HCCA queues, and 4 HT queues (one for each AC) */ |
| 235 | #define IWL_MIN_NUM_QUEUES 10 |
| 236 | |
| 237 | /* |
| 238 | * Command queue depends on iPAN support. |
| 239 | */ |
| 240 | #define IWL_DEFAULT_CMD_QUEUE_NUM 4 |
| 241 | #define IWL_IPAN_CMD_QUEUE_NUM 9 |
| 242 | |
| 243 | /* |
| 244 | * This queue number is required for proper operation |
| 245 | * because the ucode will stop/start the scheduler as |
| 246 | * required. |
| 247 | */ |
| 248 | #define IWL_IPAN_MCAST_QUEUE 8 |
| 249 | |
| 250 | #define IEEE80211_DATA_LEN 2304 |
| 251 | #define IEEE80211_4ADDR_LEN 30 |
| 252 | #define IEEE80211_HLEN (IEEE80211_4ADDR_LEN) |
| 253 | #define IEEE80211_FRAME_LEN (IEEE80211_DATA_LEN + IEEE80211_HLEN) |
| 254 | |
| 255 | |
| 256 | #define SEQ_TO_SN(seq) (((seq) & IEEE80211_SCTL_SEQ) >> 4) |
| 257 | #define SN_TO_SEQ(ssn) (((ssn) << 4) & IEEE80211_SCTL_SEQ) |
| 258 | #define MAX_SN ((IEEE80211_SCTL_SEQ) >> 4) |
| 259 | |
| 260 | enum { |
| 261 | CMD_SYNC = 0, |
| 262 | CMD_ASYNC = BIT(0), |
| 263 | CMD_WANT_SKB = BIT(1), |
| 264 | CMD_ON_DEMAND = BIT(2), |
| 265 | }; |
| 266 | |
| 267 | #define DEF_CMD_PAYLOAD_SIZE 320 |
| 268 | |
| 269 | /** |
| 270 | * struct iwl_device_cmd |
| 271 | * |
| 272 | * For allocation of the command and tx queues, this establishes the overall |
| 273 | * size of the largest command we send to uCode, except for commands that |
| 274 | * aren't fully copied and use other TFD space. |
| 275 | */ |
| 276 | struct iwl_device_cmd { |
| 277 | struct iwl_cmd_header hdr; /* uCode API */ |
| 278 | union { |
| 279 | u32 flags; |
| 280 | u8 val8; |
| 281 | u16 val16; |
| 282 | u32 val32; |
| 283 | struct iwl_tx_cmd tx; |
| 284 | struct iwl6000_channel_switch_cmd chswitch; |
| 285 | u8 payload[DEF_CMD_PAYLOAD_SIZE]; |
| 286 | } __packed cmd; |
| 287 | } __packed; |
| 288 | |
| 289 | #define TFD_MAX_PAYLOAD_SIZE (sizeof(struct iwl_device_cmd)) |
| 290 | |
| 291 | #define IWL_MAX_CMD_TFDS 2 |
| 292 | |
| 293 | enum iwl_hcmd_dataflag { |
| 294 | IWL_HCMD_DFL_NOCOPY = BIT(0), |
| 295 | }; |
| 296 | |
| 297 | /** |
| 298 | * struct iwl_host_cmd - Host command to the uCode |
| 299 | * @data: array of chunks that composes the data of the host command |
| 300 | * @reply_page: pointer to the page that holds the response to the host command |
| 301 | * @callback: |
| 302 | * @flags: can be CMD_* note CMD_WANT_SKB is incompatible withe CMD_ASYNC |
| 303 | * @len: array of the lenths of the chunks in data |
| 304 | * @dataflags: |
| 305 | * @id: id of the host command |
| 306 | */ |
| 307 | struct iwl_host_cmd { |
| 308 | const void *data[IWL_MAX_CMD_TFDS]; |
| 309 | unsigned long reply_page; |
| 310 | void (*callback)(struct iwl_priv *priv, |
| 311 | struct iwl_device_cmd *cmd, |
| 312 | struct iwl_rx_packet *pkt); |
| 313 | u32 flags; |
| 314 | u16 len[IWL_MAX_CMD_TFDS]; |
| 315 | u8 dataflags[IWL_MAX_CMD_TFDS]; |
| 316 | u8 id; |
| 317 | }; |
| 318 | |
| 319 | #define SUP_RATE_11A_MAX_NUM_CHANNELS 8 |
| 320 | #define SUP_RATE_11B_MAX_NUM_CHANNELS 4 |
| 321 | #define SUP_RATE_11G_MAX_NUM_CHANNELS 12 |
| 322 | |
| 323 | /** |
| 324 | * struct iwl_rx_queue - Rx queue |
| 325 | * @bd: driver's pointer to buffer of receive buffer descriptors (rbd) |
| 326 | * @bd_dma: bus address of buffer of receive buffer descriptors (rbd) |
| 327 | * @read: Shared index to newest available Rx buffer |
| 328 | * @write: Shared index to oldest written Rx packet |
| 329 | * @free_count: Number of pre-allocated buffers in rx_free |
| 330 | * @rx_free: list of free SKBs for use |
| 331 | * @rx_used: List of Rx buffers with no SKB |
| 332 | * @need_update: flag to indicate we need to update read/write index |
| 333 | * @rb_stts: driver's pointer to receive buffer status |
| 334 | * @rb_stts_dma: bus address of receive buffer status |
| 335 | * |
| 336 | * NOTE: rx_free and rx_used are used as a FIFO for iwl_rx_mem_buffers |
| 337 | */ |
| 338 | struct iwl_rx_queue { |
| 339 | __le32 *bd; |
| 340 | dma_addr_t bd_dma; |
| 341 | struct iwl_rx_mem_buffer pool[RX_QUEUE_SIZE + RX_FREE_BUFFERS]; |
| 342 | struct iwl_rx_mem_buffer *queue[RX_QUEUE_SIZE]; |
| 343 | u32 read; |
| 344 | u32 write; |
| 345 | u32 free_count; |
| 346 | u32 write_actual; |
| 347 | struct list_head rx_free; |
| 348 | struct list_head rx_used; |
| 349 | int need_update; |
| 350 | struct iwl_rb_status *rb_stts; |
| 351 | dma_addr_t rb_stts_dma; |
| 352 | spinlock_t lock; |
| 353 | }; |
| 354 | |
| 355 | #define IWL_SUPPORTED_RATES_IE_LEN 8 |
| 356 | |
| 357 | #define MAX_TID_COUNT 9 |
| 358 | |
| 359 | #define IWL_INVALID_RATE 0xFF |
| 360 | #define IWL_INVALID_VALUE -1 |
| 361 | |
| 362 | /** |
| 363 | * struct iwl_ht_agg -- aggregation status while waiting for block-ack |
| 364 | * @txq_id: Tx queue used for Tx attempt |
| 365 | * @frame_count: # frames attempted by Tx command |
| 366 | * @wait_for_ba: Expect block-ack before next Tx reply |
| 367 | * @start_idx: Index of 1st Transmit Frame Descriptor (TFD) in Tx window |
| 368 | * @bitmap0: Low order bitmap, one bit for each frame pending ACK in Tx window |
| 369 | * @bitmap1: High order, one bit for each frame pending ACK in Tx window |
| 370 | * @rate_n_flags: Rate at which Tx was attempted |
| 371 | * |
| 372 | * If REPLY_TX indicates that aggregation was attempted, driver must wait |
| 373 | * for block ack (REPLY_COMPRESSED_BA). This struct stores tx reply info |
| 374 | * until block ack arrives. |
| 375 | */ |
| 376 | struct iwl_ht_agg { |
| 377 | u16 txq_id; |
| 378 | u16 frame_count; |
| 379 | u16 wait_for_ba; |
| 380 | u16 start_idx; |
| 381 | u64 bitmap; |
| 382 | u32 rate_n_flags; |
| 383 | #define IWL_AGG_OFF 0 |
| 384 | #define IWL_AGG_ON 1 |
| 385 | #define IWL_EMPTYING_HW_QUEUE_ADDBA 2 |
| 386 | #define IWL_EMPTYING_HW_QUEUE_DELBA 3 |
| 387 | u8 state; |
| 388 | u8 tx_fifo; |
| 389 | }; |
| 390 | |
| 391 | |
| 392 | struct iwl_tid_data { |
| 393 | u16 seq_number; /* agn only */ |
| 394 | u16 tfds_in_queue; |
| 395 | struct iwl_ht_agg agg; |
| 396 | }; |
| 397 | |
| 398 | struct iwl_hw_key { |
| 399 | u32 cipher; |
| 400 | int keylen; |
| 401 | u8 keyidx; |
| 402 | u8 key[32]; |
| 403 | }; |
| 404 | |
| 405 | union iwl_ht_rate_supp { |
| 406 | u16 rates; |
| 407 | struct { |
| 408 | u8 siso_rate; |
| 409 | u8 mimo_rate; |
| 410 | }; |
| 411 | }; |
| 412 | |
| 413 | #define CFG_HT_RX_AMPDU_FACTOR_8K (0x0) |
| 414 | #define CFG_HT_RX_AMPDU_FACTOR_16K (0x1) |
| 415 | #define CFG_HT_RX_AMPDU_FACTOR_32K (0x2) |
| 416 | #define CFG_HT_RX_AMPDU_FACTOR_64K (0x3) |
| 417 | #define CFG_HT_RX_AMPDU_FACTOR_DEF CFG_HT_RX_AMPDU_FACTOR_64K |
| 418 | #define CFG_HT_RX_AMPDU_FACTOR_MAX CFG_HT_RX_AMPDU_FACTOR_64K |
| 419 | #define CFG_HT_RX_AMPDU_FACTOR_MIN CFG_HT_RX_AMPDU_FACTOR_8K |
| 420 | |
| 421 | /* |
| 422 | * Maximal MPDU density for TX aggregation |
| 423 | * 4 - 2us density |
| 424 | * 5 - 4us density |
| 425 | * 6 - 8us density |
| 426 | * 7 - 16us density |
| 427 | */ |
| 428 | #define CFG_HT_MPDU_DENSITY_2USEC (0x4) |
| 429 | #define CFG_HT_MPDU_DENSITY_4USEC (0x5) |
| 430 | #define CFG_HT_MPDU_DENSITY_8USEC (0x6) |
| 431 | #define CFG_HT_MPDU_DENSITY_16USEC (0x7) |
| 432 | #define CFG_HT_MPDU_DENSITY_DEF CFG_HT_MPDU_DENSITY_4USEC |
| 433 | #define CFG_HT_MPDU_DENSITY_MAX CFG_HT_MPDU_DENSITY_16USEC |
| 434 | #define CFG_HT_MPDU_DENSITY_MIN (0x1) |
| 435 | |
| 436 | struct iwl_ht_config { |
| 437 | bool single_chain_sufficient; |
| 438 | enum ieee80211_smps_mode smps; /* current smps mode */ |
| 439 | }; |
| 440 | |
| 441 | /* QoS structures */ |
| 442 | struct iwl_qos_info { |
| 443 | int qos_active; |
| 444 | struct iwl_qosparam_cmd def_qos_parm; |
| 445 | }; |
| 446 | |
| 447 | /* |
| 448 | * Structure should be accessed with sta_lock held. When station addition |
| 449 | * is in progress (IWL_STA_UCODE_INPROGRESS) it is possible to access only |
| 450 | * the commands (iwl_addsta_cmd and iwl_link_quality_cmd) without sta_lock |
| 451 | * held. |
| 452 | */ |
| 453 | struct iwl_station_entry { |
| 454 | struct iwl_addsta_cmd sta; |
| 455 | struct iwl_tid_data tid[MAX_TID_COUNT]; |
| 456 | u8 used, ctxid; |
| 457 | struct iwl_hw_key keyinfo; |
| 458 | struct iwl_link_quality_cmd *lq; |
| 459 | }; |
| 460 | |
| 461 | struct iwl_station_priv_common { |
| 462 | struct iwl_rxon_context *ctx; |
| 463 | u8 sta_id; |
| 464 | }; |
| 465 | |
| 466 | /* |
| 467 | * iwl_station_priv: Driver's private station information |
| 468 | * |
| 469 | * When mac80211 creates a station it reserves some space (hw->sta_data_size) |
| 470 | * in the structure for use by driver. This structure is places in that |
| 471 | * space. |
| 472 | */ |
| 473 | struct iwl_station_priv { |
| 474 | struct iwl_station_priv_common common; |
| 475 | struct iwl_lq_sta lq_sta; |
| 476 | atomic_t pending_frames; |
| 477 | bool client; |
| 478 | bool asleep; |
| 479 | u8 max_agg_bufsize; |
| 480 | }; |
| 481 | |
| 482 | /** |
| 483 | * struct iwl_vif_priv - driver's private per-interface information |
| 484 | * |
| 485 | * When mac80211 allocates a virtual interface, it can allocate |
| 486 | * space for us to put data into. |
| 487 | */ |
| 488 | struct iwl_vif_priv { |
| 489 | struct iwl_rxon_context *ctx; |
| 490 | u8 ibss_bssid_sta_id; |
| 491 | }; |
| 492 | |
| 493 | /* one for each uCode image (inst/data, boot/init/runtime) */ |
| 494 | struct fw_desc { |
| 495 | void *v_addr; /* access by driver */ |
| 496 | dma_addr_t p_addr; /* access by card's busmaster DMA */ |
| 497 | u32 len; /* bytes */ |
| 498 | }; |
| 499 | |
| 500 | struct fw_img { |
| 501 | struct fw_desc code, data; |
| 502 | }; |
| 503 | |
| 504 | /* v1/v2 uCode file layout */ |
| 505 | struct iwl_ucode_header { |
| 506 | __le32 ver; /* major/minor/API/serial */ |
| 507 | union { |
| 508 | struct { |
| 509 | __le32 inst_size; /* bytes of runtime code */ |
| 510 | __le32 data_size; /* bytes of runtime data */ |
| 511 | __le32 init_size; /* bytes of init code */ |
| 512 | __le32 init_data_size; /* bytes of init data */ |
| 513 | __le32 boot_size; /* bytes of bootstrap code */ |
| 514 | u8 data[0]; /* in same order as sizes */ |
| 515 | } v1; |
| 516 | struct { |
| 517 | __le32 build; /* build number */ |
| 518 | __le32 inst_size; /* bytes of runtime code */ |
| 519 | __le32 data_size; /* bytes of runtime data */ |
| 520 | __le32 init_size; /* bytes of init code */ |
| 521 | __le32 init_data_size; /* bytes of init data */ |
| 522 | __le32 boot_size; /* bytes of bootstrap code */ |
| 523 | u8 data[0]; /* in same order as sizes */ |
| 524 | } v2; |
| 525 | } u; |
| 526 | }; |
| 527 | |
| 528 | /* |
| 529 | * new TLV uCode file layout |
| 530 | * |
| 531 | * The new TLV file format contains TLVs, that each specify |
| 532 | * some piece of data. To facilitate "groups", for example |
| 533 | * different instruction image with different capabilities, |
| 534 | * bundled with the same init image, an alternative mechanism |
| 535 | * is provided: |
| 536 | * When the alternative field is 0, that means that the item |
| 537 | * is always valid. When it is non-zero, then it is only |
| 538 | * valid in conjunction with items of the same alternative, |
| 539 | * in which case the driver (user) selects one alternative |
| 540 | * to use. |
| 541 | */ |
| 542 | |
| 543 | enum iwl_ucode_tlv_type { |
| 544 | IWL_UCODE_TLV_INVALID = 0, /* unused */ |
| 545 | IWL_UCODE_TLV_INST = 1, |
| 546 | IWL_UCODE_TLV_DATA = 2, |
| 547 | IWL_UCODE_TLV_INIT = 3, |
| 548 | IWL_UCODE_TLV_INIT_DATA = 4, |
| 549 | IWL_UCODE_TLV_BOOT = 5, |
| 550 | IWL_UCODE_TLV_PROBE_MAX_LEN = 6, /* a u32 value */ |
| 551 | IWL_UCODE_TLV_PAN = 7, |
| 552 | IWL_UCODE_TLV_RUNT_EVTLOG_PTR = 8, |
| 553 | IWL_UCODE_TLV_RUNT_EVTLOG_SIZE = 9, |
| 554 | IWL_UCODE_TLV_RUNT_ERRLOG_PTR = 10, |
| 555 | IWL_UCODE_TLV_INIT_EVTLOG_PTR = 11, |
| 556 | IWL_UCODE_TLV_INIT_EVTLOG_SIZE = 12, |
| 557 | IWL_UCODE_TLV_INIT_ERRLOG_PTR = 13, |
| 558 | IWL_UCODE_TLV_ENHANCE_SENS_TBL = 14, |
| 559 | IWL_UCODE_TLV_PHY_CALIBRATION_SIZE = 15, |
| 560 | /* 16 and 17 reserved for future use */ |
| 561 | IWL_UCODE_TLV_FLAGS = 18, |
| 562 | }; |
| 563 | |
| 564 | /** |
| 565 | * enum iwl_ucode_tlv_flag - ucode API flags |
| 566 | * @IWL_UCODE_TLV_FLAGS_PAN: This is PAN capable microcode; this previously |
| 567 | * was a separate TLV but moved here to save space. |
| 568 | * @IWL_UCODE_TLV_FLAGS_NEWSCAN: new uCode scan behaviour on hidden SSID, |
| 569 | * treats good CRC threshold as a boolean |
| 570 | * @IWL_UCODE_TLV_FLAGS_MFP: This uCode image supports MFP (802.11w). |
| 571 | */ |
| 572 | enum iwl_ucode_tlv_flag { |
| 573 | IWL_UCODE_TLV_FLAGS_PAN = BIT(0), |
| 574 | IWL_UCODE_TLV_FLAGS_NEWSCAN = BIT(1), |
| 575 | IWL_UCODE_TLV_FLAGS_MFP = BIT(2), |
| 576 | }; |
| 577 | |
| 578 | struct iwl_ucode_tlv { |
| 579 | __le16 type; /* see above */ |
| 580 | __le16 alternative; /* see comment */ |
| 581 | __le32 length; /* not including type/length fields */ |
| 582 | u8 data[0]; |
| 583 | } __packed; |
| 584 | |
| 585 | #define IWL_TLV_UCODE_MAGIC 0x0a4c5749 |
| 586 | |
| 587 | struct iwl_tlv_ucode_header { |
| 588 | /* |
| 589 | * The TLV style ucode header is distinguished from |
| 590 | * the v1/v2 style header by first four bytes being |
| 591 | * zero, as such is an invalid combination of |
| 592 | * major/minor/API/serial versions. |
| 593 | */ |
| 594 | __le32 zero; |
| 595 | __le32 magic; |
| 596 | u8 human_readable[64]; |
| 597 | __le32 ver; /* major/minor/API/serial */ |
| 598 | __le32 build; |
| 599 | __le64 alternatives; /* bitmask of valid alternatives */ |
| 600 | /* |
| 601 | * The data contained herein has a TLV layout, |
| 602 | * see above for the TLV header and types. |
| 603 | * Note that each TLV is padded to a length |
| 604 | * that is a multiple of 4 for alignment. |
| 605 | */ |
| 606 | u8 data[0]; |
| 607 | }; |
| 608 | |
| 609 | struct iwl_sensitivity_ranges { |
| 610 | u16 min_nrg_cck; |
| 611 | u16 max_nrg_cck; |
| 612 | |
| 613 | u16 nrg_th_cck; |
| 614 | u16 nrg_th_ofdm; |
| 615 | |
| 616 | u16 auto_corr_min_ofdm; |
| 617 | u16 auto_corr_min_ofdm_mrc; |
| 618 | u16 auto_corr_min_ofdm_x1; |
| 619 | u16 auto_corr_min_ofdm_mrc_x1; |
| 620 | |
| 621 | u16 auto_corr_max_ofdm; |
| 622 | u16 auto_corr_max_ofdm_mrc; |
| 623 | u16 auto_corr_max_ofdm_x1; |
| 624 | u16 auto_corr_max_ofdm_mrc_x1; |
| 625 | |
| 626 | u16 auto_corr_max_cck; |
| 627 | u16 auto_corr_max_cck_mrc; |
| 628 | u16 auto_corr_min_cck; |
| 629 | u16 auto_corr_min_cck_mrc; |
| 630 | |
| 631 | u16 barker_corr_th_min; |
| 632 | u16 barker_corr_th_min_mrc; |
| 633 | u16 nrg_th_cca; |
| 634 | }; |
| 635 | |
| 636 | |
| 637 | #define KELVIN_TO_CELSIUS(x) ((x)-273) |
| 638 | #define CELSIUS_TO_KELVIN(x) ((x)+273) |
| 639 | |
| 640 | |
| 641 | /** |
| 642 | * struct iwl_hw_params |
| 643 | * @max_txq_num: Max # Tx queues supported |
| 644 | * @scd_bc_tbls_size: size of scheduler byte count tables |
| 645 | * @tfd_size: TFD size |
| 646 | * @tx/rx_chains_num: Number of TX/RX chains |
| 647 | * @valid_tx/rx_ant: usable antennas |
| 648 | * @max_rxq_size: Max # Rx frames in Rx queue (must be power-of-2) |
| 649 | * @max_rxq_log: Log-base-2 of max_rxq_size |
| 650 | * @rx_page_order: Rx buffer page order |
| 651 | * @rx_wrt_ptr_reg: FH{39}_RSCSR_CHNL0_WPTR |
| 652 | * @max_stations: |
| 653 | * @ht40_channel: is 40MHz width possible in band 2.4 |
| 654 | * BIT(IEEE80211_BAND_5GHZ) BIT(IEEE80211_BAND_5GHZ) |
| 655 | * @sw_crypto: 0 for hw, 1 for sw |
| 656 | * @max_xxx_size: for ucode uses |
| 657 | * @ct_kill_threshold: temperature threshold |
| 658 | * @beacon_time_tsf_bits: number of valid tsf bits for beacon time |
| 659 | * @calib_init_cfg: setup initial calibrations for the hw |
| 660 | * @calib_rt_cfg: setup runtime calibrations for the hw |
| 661 | * @struct iwl_sensitivity_ranges: range of sensitivity values |
| 662 | */ |
| 663 | struct iwl_hw_params { |
| 664 | u8 max_txq_num; |
| 665 | u16 scd_bc_tbls_size; |
| 666 | u32 tfd_size; |
| 667 | u8 tx_chains_num; |
| 668 | u8 rx_chains_num; |
| 669 | u8 valid_tx_ant; |
| 670 | u8 valid_rx_ant; |
| 671 | u16 max_rxq_size; |
| 672 | u16 max_rxq_log; |
| 673 | u32 rx_page_order; |
| 674 | u8 max_stations; |
| 675 | u8 ht40_channel; |
| 676 | u8 max_beacon_itrvl; /* in 1024 ms */ |
| 677 | u32 max_inst_size; |
| 678 | u32 max_data_size; |
| 679 | u32 ct_kill_threshold; /* value in hw-dependent units */ |
| 680 | u32 ct_kill_exit_threshold; /* value in hw-dependent units */ |
| 681 | /* for 1000, 6000 series and up */ |
| 682 | u16 beacon_time_tsf_bits; |
| 683 | u32 calib_init_cfg; |
| 684 | u32 calib_rt_cfg; |
| 685 | const struct iwl_sensitivity_ranges *sens; |
| 686 | }; |
| 687 | |
| 688 | |
| 689 | /****************************************************************************** |
| 690 | * |
| 691 | * Functions implemented in core module which are forward declared here |
| 692 | * for use by iwl-[4-5].c |
| 693 | * |
| 694 | * NOTE: The implementation of these functions are not hardware specific |
| 695 | * which is why they are in the core module files. |
| 696 | * |
| 697 | * Naming convention -- |
| 698 | * iwl_ <-- Is part of iwlwifi |
| 699 | * iwlXXXX_ <-- Hardware specific (implemented in iwl-XXXX.c for XXXX) |
| 700 | * |
| 701 | ****************************************************************************/ |
| 702 | extern void iwl_update_chain_flags(struct iwl_priv *priv); |
| 703 | extern const u8 iwl_bcast_addr[ETH_ALEN]; |
| 704 | extern int iwl_queue_space(const struct iwl_queue *q); |
| 705 | static inline int iwl_queue_used(const struct iwl_queue *q, int i) |
| 706 | { |
| 707 | return q->write_ptr >= q->read_ptr ? |
| 708 | (i >= q->read_ptr && i < q->write_ptr) : |
| 709 | !(i < q->read_ptr && i >= q->write_ptr); |
| 710 | } |
| 711 | |
| 712 | |
| 713 | static inline u8 get_cmd_index(struct iwl_queue *q, u32 index) |
| 714 | { |
| 715 | return index & (q->n_window - 1); |
| 716 | } |
| 717 | |
| 718 | |
| 719 | struct iwl_dma_ptr { |
| 720 | dma_addr_t dma; |
| 721 | void *addr; |
| 722 | size_t size; |
| 723 | }; |
| 724 | |
| 725 | #define IWL_OPERATION_MODE_AUTO 0 |
| 726 | #define IWL_OPERATION_MODE_HT_ONLY 1 |
| 727 | #define IWL_OPERATION_MODE_MIXED 2 |
| 728 | #define IWL_OPERATION_MODE_20MHZ 3 |
| 729 | |
| 730 | #define IWL_TX_CRC_SIZE 4 |
| 731 | #define IWL_TX_DELIMITER_SIZE 4 |
| 732 | |
| 733 | #define TX_POWER_IWL_ILLEGAL_VOLTAGE -10000 |
| 734 | |
| 735 | /* Sensitivity and chain noise calibration */ |
| 736 | #define INITIALIZATION_VALUE 0xFFFF |
| 737 | #define IWL_CAL_NUM_BEACONS 16 |
| 738 | #define MAXIMUM_ALLOWED_PATHLOSS 15 |
| 739 | |
| 740 | #define CHAIN_NOISE_MAX_DELTA_GAIN_CODE 3 |
| 741 | |
| 742 | #define MAX_FA_OFDM 50 |
| 743 | #define MIN_FA_OFDM 5 |
| 744 | #define MAX_FA_CCK 50 |
| 745 | #define MIN_FA_CCK 5 |
| 746 | |
| 747 | #define AUTO_CORR_STEP_OFDM 1 |
| 748 | |
| 749 | #define AUTO_CORR_STEP_CCK 3 |
| 750 | #define AUTO_CORR_MAX_TH_CCK 160 |
| 751 | |
| 752 | #define NRG_DIFF 2 |
| 753 | #define NRG_STEP_CCK 2 |
| 754 | #define NRG_MARGIN 8 |
| 755 | #define MAX_NUMBER_CCK_NO_FA 100 |
| 756 | |
| 757 | #define AUTO_CORR_CCK_MIN_VAL_DEF (125) |
| 758 | |
| 759 | #define CHAIN_A 0 |
| 760 | #define CHAIN_B 1 |
| 761 | #define CHAIN_C 2 |
| 762 | #define CHAIN_NOISE_DELTA_GAIN_INIT_VAL 4 |
| 763 | #define ALL_BAND_FILTER 0xFF00 |
| 764 | #define IN_BAND_FILTER 0xFF |
| 765 | #define MIN_AVERAGE_NOISE_MAX_VALUE 0xFFFFFFFF |
| 766 | |
| 767 | #define NRG_NUM_PREV_STAT_L 20 |
| 768 | #define NUM_RX_CHAINS 3 |
| 769 | |
| 770 | enum iwlagn_false_alarm_state { |
| 771 | IWL_FA_TOO_MANY = 0, |
| 772 | IWL_FA_TOO_FEW = 1, |
| 773 | IWL_FA_GOOD_RANGE = 2, |
| 774 | }; |
| 775 | |
| 776 | enum iwlagn_chain_noise_state { |
| 777 | IWL_CHAIN_NOISE_ALIVE = 0, /* must be 0 */ |
| 778 | IWL_CHAIN_NOISE_ACCUMULATE, |
| 779 | IWL_CHAIN_NOISE_CALIBRATED, |
| 780 | IWL_CHAIN_NOISE_DONE, |
| 781 | }; |
| 782 | |
| 783 | |
| 784 | /* |
| 785 | * enum iwl_calib |
| 786 | * defines the order in which results of initial calibrations |
| 787 | * should be sent to the runtime uCode |
| 788 | */ |
| 789 | enum iwl_calib { |
| 790 | IWL_CALIB_XTAL, |
| 791 | IWL_CALIB_DC, |
| 792 | IWL_CALIB_LO, |
| 793 | IWL_CALIB_TX_IQ, |
| 794 | IWL_CALIB_TX_IQ_PERD, |
| 795 | IWL_CALIB_BASE_BAND, |
| 796 | IWL_CALIB_TEMP_OFFSET, |
| 797 | IWL_CALIB_MAX |
| 798 | }; |
| 799 | |
| 800 | /* Opaque calibration results */ |
| 801 | struct iwl_calib_result { |
| 802 | void *buf; |
| 803 | size_t buf_len; |
| 804 | }; |
| 805 | |
| 806 | /* Sensitivity calib data */ |
| 807 | struct iwl_sensitivity_data { |
| 808 | u32 auto_corr_ofdm; |
| 809 | u32 auto_corr_ofdm_mrc; |
| 810 | u32 auto_corr_ofdm_x1; |
| 811 | u32 auto_corr_ofdm_mrc_x1; |
| 812 | u32 auto_corr_cck; |
| 813 | u32 auto_corr_cck_mrc; |
| 814 | |
| 815 | u32 last_bad_plcp_cnt_ofdm; |
| 816 | u32 last_fa_cnt_ofdm; |
| 817 | u32 last_bad_plcp_cnt_cck; |
| 818 | u32 last_fa_cnt_cck; |
| 819 | |
| 820 | u32 nrg_curr_state; |
| 821 | u32 nrg_prev_state; |
| 822 | u32 nrg_value[10]; |
| 823 | u8 nrg_silence_rssi[NRG_NUM_PREV_STAT_L]; |
| 824 | u32 nrg_silence_ref; |
| 825 | u32 nrg_energy_idx; |
| 826 | u32 nrg_silence_idx; |
| 827 | u32 nrg_th_cck; |
| 828 | s32 nrg_auto_corr_silence_diff; |
| 829 | u32 num_in_cck_no_fa; |
| 830 | u32 nrg_th_ofdm; |
| 831 | |
| 832 | u16 barker_corr_th_min; |
| 833 | u16 barker_corr_th_min_mrc; |
| 834 | u16 nrg_th_cca; |
| 835 | }; |
| 836 | |
| 837 | /* Chain noise (differential Rx gain) calib data */ |
| 838 | struct iwl_chain_noise_data { |
| 839 | u32 active_chains; |
| 840 | u32 chain_noise_a; |
| 841 | u32 chain_noise_b; |
| 842 | u32 chain_noise_c; |
| 843 | u32 chain_signal_a; |
| 844 | u32 chain_signal_b; |
| 845 | u32 chain_signal_c; |
| 846 | u16 beacon_count; |
| 847 | u8 disconn_array[NUM_RX_CHAINS]; |
| 848 | u8 delta_gain_code[NUM_RX_CHAINS]; |
| 849 | u8 radio_write; |
| 850 | u8 state; |
| 851 | }; |
| 852 | |
| 853 | #define EEPROM_SEM_TIMEOUT 10 /* milliseconds */ |
| 854 | #define EEPROM_SEM_RETRY_LIMIT 1000 /* number of attempts (not time) */ |
| 855 | |
| 856 | #define IWL_TRAFFIC_ENTRIES (256) |
| 857 | #define IWL_TRAFFIC_ENTRY_SIZE (64) |
| 858 | |
| 859 | enum { |
| 860 | MEASUREMENT_READY = (1 << 0), |
| 861 | MEASUREMENT_ACTIVE = (1 << 1), |
| 862 | }; |
| 863 | |
| 864 | enum iwl_nvm_type { |
| 865 | NVM_DEVICE_TYPE_EEPROM = 0, |
| 866 | NVM_DEVICE_TYPE_OTP, |
| 867 | }; |
| 868 | |
| 869 | /* |
| 870 | * Two types of OTP memory access modes |
| 871 | * IWL_OTP_ACCESS_ABSOLUTE - absolute address mode, |
| 872 | * based on physical memory addressing |
| 873 | * IWL_OTP_ACCESS_RELATIVE - relative address mode, |
| 874 | * based on logical memory addressing |
| 875 | */ |
| 876 | enum iwl_access_mode { |
| 877 | IWL_OTP_ACCESS_ABSOLUTE, |
| 878 | IWL_OTP_ACCESS_RELATIVE, |
| 879 | }; |
| 880 | |
| 881 | /** |
| 882 | * enum iwl_pa_type - Power Amplifier type |
| 883 | * @IWL_PA_SYSTEM: based on uCode configuration |
| 884 | * @IWL_PA_INTERNAL: use Internal only |
| 885 | */ |
| 886 | enum iwl_pa_type { |
| 887 | IWL_PA_SYSTEM = 0, |
| 888 | IWL_PA_INTERNAL = 1, |
| 889 | }; |
| 890 | |
| 891 | /* interrupt statistics */ |
| 892 | struct isr_statistics { |
| 893 | u32 hw; |
| 894 | u32 sw; |
| 895 | u32 err_code; |
| 896 | u32 sch; |
| 897 | u32 alive; |
| 898 | u32 rfkill; |
| 899 | u32 ctkill; |
| 900 | u32 wakeup; |
| 901 | u32 rx; |
| 902 | u32 rx_handlers[REPLY_MAX]; |
| 903 | u32 tx; |
| 904 | u32 unhandled; |
| 905 | }; |
| 906 | |
| 907 | /* reply_tx_statistics (for _agn devices) */ |
| 908 | struct reply_tx_error_statistics { |
| 909 | u32 pp_delay; |
| 910 | u32 pp_few_bytes; |
| 911 | u32 pp_bt_prio; |
| 912 | u32 pp_quiet_period; |
| 913 | u32 pp_calc_ttak; |
| 914 | u32 int_crossed_retry; |
| 915 | u32 short_limit; |
| 916 | u32 long_limit; |
| 917 | u32 fifo_underrun; |
| 918 | u32 drain_flow; |
| 919 | u32 rfkill_flush; |
| 920 | u32 life_expire; |
| 921 | u32 dest_ps; |
| 922 | u32 host_abort; |
| 923 | u32 bt_retry; |
| 924 | u32 sta_invalid; |
| 925 | u32 frag_drop; |
| 926 | u32 tid_disable; |
| 927 | u32 fifo_flush; |
| 928 | u32 insuff_cf_poll; |
| 929 | u32 fail_hw_drop; |
| 930 | u32 sta_color_mismatch; |
| 931 | u32 unknown; |
| 932 | }; |
| 933 | |
| 934 | /* reply_agg_tx_statistics (for _agn devices) */ |
| 935 | struct reply_agg_tx_error_statistics { |
| 936 | u32 underrun; |
| 937 | u32 bt_prio; |
| 938 | u32 few_bytes; |
| 939 | u32 abort; |
| 940 | u32 last_sent_ttl; |
| 941 | u32 last_sent_try; |
| 942 | u32 last_sent_bt_kill; |
| 943 | u32 scd_query; |
| 944 | u32 bad_crc32; |
| 945 | u32 response; |
| 946 | u32 dump_tx; |
| 947 | u32 delay_tx; |
| 948 | u32 unknown; |
| 949 | }; |
| 950 | |
| 951 | /* management statistics */ |
| 952 | enum iwl_mgmt_stats { |
| 953 | MANAGEMENT_ASSOC_REQ = 0, |
| 954 | MANAGEMENT_ASSOC_RESP, |
| 955 | MANAGEMENT_REASSOC_REQ, |
| 956 | MANAGEMENT_REASSOC_RESP, |
| 957 | MANAGEMENT_PROBE_REQ, |
| 958 | MANAGEMENT_PROBE_RESP, |
| 959 | MANAGEMENT_BEACON, |
| 960 | MANAGEMENT_ATIM, |
| 961 | MANAGEMENT_DISASSOC, |
| 962 | MANAGEMENT_AUTH, |
| 963 | MANAGEMENT_DEAUTH, |
| 964 | MANAGEMENT_ACTION, |
| 965 | MANAGEMENT_MAX, |
| 966 | }; |
| 967 | /* control statistics */ |
| 968 | enum iwl_ctrl_stats { |
| 969 | CONTROL_BACK_REQ = 0, |
| 970 | CONTROL_BACK, |
| 971 | CONTROL_PSPOLL, |
| 972 | CONTROL_RTS, |
| 973 | CONTROL_CTS, |
| 974 | CONTROL_ACK, |
| 975 | CONTROL_CFEND, |
| 976 | CONTROL_CFENDACK, |
| 977 | CONTROL_MAX, |
| 978 | }; |
| 979 | |
| 980 | struct traffic_stats { |
| 981 | #ifdef CONFIG_IWLWIFI_DEBUGFS |
| 982 | u32 mgmt[MANAGEMENT_MAX]; |
| 983 | u32 ctrl[CONTROL_MAX]; |
| 984 | u32 data_cnt; |
| 985 | u64 data_bytes; |
| 986 | #endif |
| 987 | }; |
| 988 | |
| 989 | /* |
| 990 | * schedule the timer to wake up every UCODE_TRACE_PERIOD milliseconds |
| 991 | * to perform continuous uCode event logging operation if enabled |
| 992 | */ |
| 993 | #define UCODE_TRACE_PERIOD (100) |
| 994 | |
| 995 | /* |
| 996 | * iwl_event_log: current uCode event log position |
| 997 | * |
| 998 | * @ucode_trace: enable/disable ucode continuous trace timer |
| 999 | * @num_wraps: how many times the event buffer wraps |
| 1000 | * @next_entry: the entry just before the next one that uCode would fill |
| 1001 | * @non_wraps_count: counter for no wrap detected when dump ucode events |
| 1002 | * @wraps_once_count: counter for wrap once detected when dump ucode events |
| 1003 | * @wraps_more_count: counter for wrap more than once detected |
| 1004 | * when dump ucode events |
| 1005 | */ |
| 1006 | struct iwl_event_log { |
| 1007 | bool ucode_trace; |
| 1008 | u32 num_wraps; |
| 1009 | u32 next_entry; |
| 1010 | int non_wraps_count; |
| 1011 | int wraps_once_count; |
| 1012 | int wraps_more_count; |
| 1013 | }; |
| 1014 | |
| 1015 | /* |
| 1016 | * host interrupt timeout value |
| 1017 | * used with setting interrupt coalescing timer |
| 1018 | * the CSR_INT_COALESCING is an 8 bit register in 32-usec unit |
| 1019 | * |
| 1020 | * default interrupt coalescing timer is 64 x 32 = 2048 usecs |
| 1021 | * default interrupt coalescing calibration timer is 16 x 32 = 512 usecs |
| 1022 | */ |
| 1023 | #define IWL_HOST_INT_TIMEOUT_MAX (0xFF) |
| 1024 | #define IWL_HOST_INT_TIMEOUT_DEF (0x40) |
| 1025 | #define IWL_HOST_INT_TIMEOUT_MIN (0x0) |
| 1026 | #define IWL_HOST_INT_CALIB_TIMEOUT_MAX (0xFF) |
| 1027 | #define IWL_HOST_INT_CALIB_TIMEOUT_DEF (0x10) |
| 1028 | #define IWL_HOST_INT_CALIB_TIMEOUT_MIN (0x0) |
| 1029 | |
| 1030 | /* |
| 1031 | * This is the threshold value of plcp error rate per 100mSecs. It is |
| 1032 | * used to set and check for the validity of plcp_delta. |
| 1033 | */ |
| 1034 | #define IWL_MAX_PLCP_ERR_THRESHOLD_MIN (1) |
| 1035 | #define IWL_MAX_PLCP_ERR_THRESHOLD_DEF (50) |
| 1036 | #define IWL_MAX_PLCP_ERR_LONG_THRESHOLD_DEF (100) |
| 1037 | #define IWL_MAX_PLCP_ERR_EXT_LONG_THRESHOLD_DEF (200) |
| 1038 | #define IWL_MAX_PLCP_ERR_THRESHOLD_MAX (255) |
| 1039 | #define IWL_MAX_PLCP_ERR_THRESHOLD_DISABLE (0) |
| 1040 | |
| 1041 | #define IWL_DELAY_NEXT_FORCE_RF_RESET (HZ*3) |
| 1042 | #define IWL_DELAY_NEXT_FORCE_FW_RELOAD (HZ*5) |
| 1043 | |
| 1044 | /* TX queue watchdog timeouts in mSecs */ |
| 1045 | #define IWL_DEF_WD_TIMEOUT (2000) |
| 1046 | #define IWL_LONG_WD_TIMEOUT (10000) |
| 1047 | #define IWL_MAX_WD_TIMEOUT (120000) |
| 1048 | |
| 1049 | /* BT Antenna Coupling Threshold (dB) */ |
| 1050 | #define IWL_BT_ANTENNA_COUPLING_THRESHOLD (35) |
| 1051 | |
| 1052 | /* Firmware reload counter and Timestamp */ |
| 1053 | #define IWL_MIN_RELOAD_DURATION 1000 /* 1000 ms */ |
| 1054 | #define IWL_MAX_CONTINUE_RELOAD_CNT 4 |
| 1055 | |
| 1056 | |
| 1057 | enum iwl_reset { |
| 1058 | IWL_RF_RESET = 0, |
| 1059 | IWL_FW_RESET, |
| 1060 | IWL_MAX_FORCE_RESET, |
| 1061 | }; |
| 1062 | |
| 1063 | struct iwl_force_reset { |
| 1064 | int reset_request_count; |
| 1065 | int reset_success_count; |
| 1066 | int reset_reject_count; |
| 1067 | unsigned long reset_duration; |
| 1068 | unsigned long last_force_reset_jiffies; |
| 1069 | }; |
| 1070 | |
| 1071 | /* extend beacon time format bit shifting */ |
| 1072 | /* |
| 1073 | * for _agn devices |
| 1074 | * bits 31:22 - extended |
| 1075 | * bits 21:0 - interval |
| 1076 | */ |
| 1077 | #define IWLAGN_EXT_BEACON_TIME_POS 22 |
| 1078 | |
| 1079 | /** |
| 1080 | * struct iwl_notification_wait - notification wait entry |
| 1081 | * @list: list head for global list |
| 1082 | * @fn: function called with the notification |
| 1083 | * @cmd: command ID |
| 1084 | * |
| 1085 | * This structure is not used directly, to wait for a |
| 1086 | * notification declare it on the stack, and call |
| 1087 | * iwlagn_init_notification_wait() with appropriate |
| 1088 | * parameters. Then do whatever will cause the ucode |
| 1089 | * to notify the driver, and to wait for that then |
| 1090 | * call iwlagn_wait_notification(). |
| 1091 | * |
| 1092 | * Each notification is one-shot. If at some point we |
| 1093 | * need to support multi-shot notifications (which |
| 1094 | * can't be allocated on the stack) we need to modify |
| 1095 | * the code for them. |
| 1096 | */ |
| 1097 | struct iwl_notification_wait { |
| 1098 | struct list_head list; |
| 1099 | |
| 1100 | void (*fn)(struct iwl_priv *priv, struct iwl_rx_packet *pkt, |
| 1101 | void *data); |
| 1102 | void *fn_data; |
| 1103 | |
| 1104 | u8 cmd; |
| 1105 | bool triggered, aborted; |
| 1106 | }; |
| 1107 | |
| 1108 | enum iwl_rxon_context_id { |
| 1109 | IWL_RXON_CTX_BSS, |
| 1110 | IWL_RXON_CTX_PAN, |
| 1111 | |
| 1112 | NUM_IWL_RXON_CTX |
| 1113 | }; |
| 1114 | |
| 1115 | struct iwl_rxon_context { |
| 1116 | struct ieee80211_vif *vif; |
| 1117 | |
| 1118 | const u8 *ac_to_fifo; |
| 1119 | const u8 *ac_to_queue; |
| 1120 | u8 mcast_queue; |
| 1121 | |
| 1122 | /* |
| 1123 | * We could use the vif to indicate active, but we |
| 1124 | * also need it to be active during disabling when |
| 1125 | * we already removed the vif for type setting. |
| 1126 | */ |
| 1127 | bool always_active, is_active; |
| 1128 | |
| 1129 | bool ht_need_multiple_chains; |
| 1130 | |
| 1131 | enum iwl_rxon_context_id ctxid; |
| 1132 | |
| 1133 | u32 interface_modes, exclusive_interface_modes; |
| 1134 | u8 unused_devtype, ap_devtype, ibss_devtype, station_devtype; |
| 1135 | |
| 1136 | /* |
| 1137 | * We declare this const so it can only be |
| 1138 | * changed via explicit cast within the |
| 1139 | * routines that actually update the physical |
| 1140 | * hardware. |
| 1141 | */ |
| 1142 | const struct iwl_rxon_cmd active; |
| 1143 | struct iwl_rxon_cmd staging; |
| 1144 | |
| 1145 | struct iwl_rxon_time_cmd timing; |
| 1146 | |
| 1147 | struct iwl_qos_info qos_data; |
| 1148 | |
| 1149 | u8 bcast_sta_id, ap_sta_id; |
| 1150 | |
| 1151 | u8 rxon_cmd, rxon_assoc_cmd, rxon_timing_cmd; |
| 1152 | u8 qos_cmd; |
| 1153 | u8 wep_key_cmd; |
| 1154 | |
| 1155 | struct iwl_wep_key wep_keys[WEP_KEYS_MAX]; |
| 1156 | u8 key_mapping_keys; |
| 1157 | |
| 1158 | __le32 station_flags; |
| 1159 | |
| 1160 | struct { |
| 1161 | bool non_gf_sta_present; |
| 1162 | u8 protection; |
| 1163 | bool enabled, is_40mhz; |
| 1164 | u8 extension_chan_offset; |
| 1165 | } ht; |
| 1166 | |
| 1167 | bool last_tx_rejected; |
| 1168 | }; |
| 1169 | |
| 1170 | enum iwl_scan_type { |
| 1171 | IWL_SCAN_NORMAL, |
| 1172 | IWL_SCAN_RADIO_RESET, |
| 1173 | IWL_SCAN_OFFCH_TX, |
| 1174 | }; |
| 1175 | |
| 1176 | enum iwlagn_ucode_type { |
| 1177 | IWL_UCODE_NONE, |
| 1178 | IWL_UCODE_REGULAR, |
| 1179 | IWL_UCODE_INIT, |
| 1180 | IWL_UCODE_WOWLAN, |
| 1181 | }; |
| 1182 | |
| 1183 | #ifdef CONFIG_IWLWIFI_DEVICE_SVTOOL |
| 1184 | struct iwl_testmode_trace { |
| 1185 | u32 buff_size; |
| 1186 | u32 total_size; |
| 1187 | u32 num_chunks; |
| 1188 | u8 *cpu_addr; |
| 1189 | u8 *trace_addr; |
| 1190 | dma_addr_t dma_addr; |
| 1191 | bool trace_enabled; |
| 1192 | }; |
| 1193 | #endif |
| 1194 | |
| 1195 | struct iwl_bus; |
| 1196 | |
| 1197 | /** |
| 1198 | * struct iwl_bus_ops - bus specific operations |
| 1199 | |
| 1200 | * @get_pm_support: must returns true if the bus can go to sleep |
| 1201 | * @apm_config: will be called during the config of the APM configuration |
| 1202 | * @set_drv_data: set the priv pointer to the bus layer |
| 1203 | * @get_dev: returns the device struct |
| 1204 | * @get_irq: returns the irq number |
| 1205 | * @get_hw_id: prints the hw_id in the provided buffer |
| 1206 | * @write8: write a byte to register at offset ofs |
| 1207 | * @write32: write a dword to register at offset ofs |
| 1208 | * @wread32: read a dword at register at offset ofs |
| 1209 | */ |
| 1210 | struct iwl_bus_ops { |
| 1211 | bool (*get_pm_support)(struct iwl_bus *bus); |
| 1212 | void (*apm_config)(struct iwl_bus *bus); |
| 1213 | void (*set_drv_data)(struct iwl_bus *bus, void *priv); |
| 1214 | struct device *(*get_dev)(const struct iwl_bus *bus); |
| 1215 | unsigned int (*get_irq)(const struct iwl_bus *bus); |
| 1216 | void (*get_hw_id)(struct iwl_bus *bus, char buf[], int buf_len); |
| 1217 | void (*write8)(struct iwl_bus *bus, u32 ofs, u8 val); |
| 1218 | void (*write32)(struct iwl_bus *bus, u32 ofs, u32 val); |
| 1219 | u32 (*read32)(struct iwl_bus *bus, u32 ofs); |
| 1220 | }; |
| 1221 | |
| 1222 | struct iwl_bus { |
| 1223 | /* pointer to bus specific struct */ |
| 1224 | void *bus_specific; |
| 1225 | |
| 1226 | /* Common data to all buses */ |
| 1227 | struct iwl_priv *priv; /* driver's context */ |
| 1228 | struct device *dev; |
| 1229 | struct iwl_bus_ops *ops; |
| 1230 | unsigned int irq; |
| 1231 | }; |
| 1232 | |
| 1233 | struct iwl_trans; |
| 1234 | |
| 1235 | /** |
| 1236 | * struct iwl_trans_ops - transport specific operations |
| 1237 | |
| 1238 | * @rx_init: inits the rx memory, allocate it if needed |
| 1239 | * @rx_stop: stop the rx |
| 1240 | * @rx_free: frees the rx memory |
| 1241 | * @tx_init:inits the tx memory, allocate if needed |
| 1242 | * @tx_stop: stop the tx |
| 1243 | * @tx_free: frees the tx memory |
| 1244 | * @send_cmd:send a host command |
| 1245 | * @send_cmd_pdu:send a host command: flags can be CMD_* |
| 1246 | */ |
| 1247 | struct iwl_trans_ops { |
| 1248 | int (*rx_init)(struct iwl_priv *priv); |
| 1249 | int (*rx_stop)(struct iwl_priv *priv); |
| 1250 | void (*rx_free)(struct iwl_priv *priv); |
| 1251 | |
| 1252 | int (*tx_init)(struct iwl_priv *priv); |
| 1253 | int (*tx_stop)(struct iwl_priv *priv); |
| 1254 | void (*tx_free)(struct iwl_priv *priv); |
| 1255 | |
| 1256 | int (*send_cmd)(struct iwl_priv *priv, struct iwl_host_cmd *cmd); |
| 1257 | |
| 1258 | int (*send_cmd_pdu)(struct iwl_priv *priv, u8 id, u32 flags, u16 len, |
| 1259 | const void *data); |
| 1260 | }; |
| 1261 | |
| 1262 | struct iwl_trans { |
| 1263 | const struct iwl_trans_ops *ops; |
| 1264 | }; |
| 1265 | |
| 1266 | /* uCode ownership */ |
| 1267 | #define IWL_OWNERSHIP_DRIVER 0 |
| 1268 | #define IWL_OWNERSHIP_TM 1 |
| 1269 | |
| 1270 | struct iwl_priv { |
| 1271 | |
| 1272 | /* ieee device used by generic ieee processing code */ |
| 1273 | struct ieee80211_hw *hw; |
| 1274 | struct ieee80211_channel *ieee_channels; |
| 1275 | struct ieee80211_rate *ieee_rates; |
| 1276 | struct iwl_cfg *cfg; |
| 1277 | |
| 1278 | enum ieee80211_band band; |
| 1279 | |
| 1280 | void (*pre_rx_handler)(struct iwl_priv *priv, |
| 1281 | struct iwl_rx_mem_buffer *rxb); |
| 1282 | void (*rx_handlers[REPLY_MAX])(struct iwl_priv *priv, |
| 1283 | struct iwl_rx_mem_buffer *rxb); |
| 1284 | |
| 1285 | struct ieee80211_supported_band bands[IEEE80211_NUM_BANDS]; |
| 1286 | |
| 1287 | /* spectrum measurement report caching */ |
| 1288 | struct iwl_spectrum_notification measure_report; |
| 1289 | u8 measurement_status; |
| 1290 | |
| 1291 | /* ucode beacon time */ |
| 1292 | u32 ucode_beacon_time; |
| 1293 | int missed_beacon_threshold; |
| 1294 | |
| 1295 | /* track IBSS manager (last beacon) status */ |
| 1296 | u32 ibss_manager; |
| 1297 | |
| 1298 | /* jiffies when last recovery from statistics was performed */ |
| 1299 | unsigned long rx_statistics_jiffies; |
| 1300 | |
| 1301 | /* force reset */ |
| 1302 | struct iwl_force_reset force_reset[IWL_MAX_FORCE_RESET]; |
| 1303 | |
| 1304 | /* firmware reload counter and timestamp */ |
| 1305 | unsigned long reload_jiffies; |
| 1306 | int reload_count; |
| 1307 | |
| 1308 | /* we allocate array of iwl_channel_info for NIC's valid channels. |
| 1309 | * Access via channel # using indirect index array */ |
| 1310 | struct iwl_channel_info *channel_info; /* channel info array */ |
| 1311 | u8 channel_count; /* # of channels */ |
| 1312 | |
| 1313 | /* thermal calibration */ |
| 1314 | s32 temperature; /* degrees Kelvin */ |
| 1315 | s32 last_temperature; |
| 1316 | |
| 1317 | /* init calibration results */ |
| 1318 | struct iwl_calib_result calib_results[IWL_CALIB_MAX]; |
| 1319 | |
| 1320 | /* Scan related variables */ |
| 1321 | unsigned long scan_start; |
| 1322 | unsigned long scan_start_tsf; |
| 1323 | void *scan_cmd; |
| 1324 | enum ieee80211_band scan_band; |
| 1325 | struct cfg80211_scan_request *scan_request; |
| 1326 | struct ieee80211_vif *scan_vif; |
| 1327 | enum iwl_scan_type scan_type; |
| 1328 | u8 scan_tx_ant[IEEE80211_NUM_BANDS]; |
| 1329 | u8 mgmt_tx_ant; |
| 1330 | |
| 1331 | /* spinlock */ |
| 1332 | spinlock_t lock; /* protect general shared data */ |
| 1333 | spinlock_t hcmd_lock; /* protect hcmd */ |
| 1334 | spinlock_t reg_lock; /* protect hw register access */ |
| 1335 | struct mutex mutex; |
| 1336 | |
| 1337 | struct iwl_bus bus; /* bus specific data */ |
| 1338 | struct iwl_trans trans; |
| 1339 | |
| 1340 | /* microcode/device supports multiple contexts */ |
| 1341 | u8 valid_contexts; |
| 1342 | |
| 1343 | /* command queue number */ |
| 1344 | u8 cmd_queue; |
| 1345 | |
| 1346 | /* max number of station keys */ |
| 1347 | u8 sta_key_max_num; |
| 1348 | |
| 1349 | bool new_scan_threshold_behaviour; |
| 1350 | |
| 1351 | /* EEPROM MAC addresses */ |
| 1352 | struct mac_address addresses[2]; |
| 1353 | |
| 1354 | /* uCode images, save to reload in case of failure */ |
| 1355 | int fw_index; /* firmware we're trying to load */ |
| 1356 | u32 ucode_ver; /* version of ucode, copy of |
| 1357 | iwl_ucode.ver */ |
| 1358 | |
| 1359 | /* uCode owner: default: IWL_OWNERSHIP_DRIVER */ |
| 1360 | u8 ucode_owner; |
| 1361 | |
| 1362 | struct fw_img ucode_rt; |
| 1363 | struct fw_img ucode_init; |
| 1364 | |
| 1365 | enum iwlagn_ucode_type ucode_type; |
| 1366 | u8 ucode_write_complete; /* the image write is complete */ |
| 1367 | char firmware_name[25]; |
| 1368 | |
| 1369 | struct iwl_rxon_context contexts[NUM_IWL_RXON_CTX]; |
| 1370 | |
| 1371 | __le16 switch_channel; |
| 1372 | |
| 1373 | struct { |
| 1374 | u32 error_event_table; |
| 1375 | u32 log_event_table; |
| 1376 | } device_pointers; |
| 1377 | |
| 1378 | u16 active_rate; |
| 1379 | |
| 1380 | u8 start_calib; |
| 1381 | struct iwl_sensitivity_data sensitivity_data; |
| 1382 | struct iwl_chain_noise_data chain_noise_data; |
| 1383 | bool enhance_sensitivity_table; |
| 1384 | __le16 sensitivity_tbl[HD_TABLE_SIZE]; |
| 1385 | __le16 enhance_sensitivity_tbl[ENHANCE_HD_TABLE_ENTRIES]; |
| 1386 | |
| 1387 | struct iwl_ht_config current_ht_config; |
| 1388 | |
| 1389 | /* Rate scaling data */ |
| 1390 | u8 retry_rate; |
| 1391 | |
| 1392 | wait_queue_head_t wait_command_queue; |
| 1393 | |
| 1394 | int activity_timer_active; |
| 1395 | |
| 1396 | /* Rx and Tx DMA processing queues */ |
| 1397 | struct iwl_rx_queue rxq; |
| 1398 | struct iwl_tx_queue *txq; |
| 1399 | unsigned long txq_ctx_active_msk; |
| 1400 | struct iwl_dma_ptr kw; /* keep warm address */ |
| 1401 | struct iwl_dma_ptr scd_bc_tbls; |
| 1402 | |
| 1403 | u32 scd_base_addr; /* scheduler sram base address */ |
| 1404 | |
| 1405 | unsigned long status; |
| 1406 | |
| 1407 | /* counts mgmt, ctl, and data packets */ |
| 1408 | struct traffic_stats tx_stats; |
| 1409 | struct traffic_stats rx_stats; |
| 1410 | |
| 1411 | /* counts interrupts */ |
| 1412 | struct isr_statistics isr_stats; |
| 1413 | |
| 1414 | struct iwl_power_mgr power_data; |
| 1415 | struct iwl_tt_mgmt thermal_throttle; |
| 1416 | |
| 1417 | /* station table variables */ |
| 1418 | |
| 1419 | /* Note: if lock and sta_lock are needed, lock must be acquired first */ |
| 1420 | spinlock_t sta_lock; |
| 1421 | int num_stations; |
| 1422 | struct iwl_station_entry stations[IWLAGN_STATION_COUNT]; |
| 1423 | unsigned long ucode_key_table; |
| 1424 | |
| 1425 | /* queue refcounts */ |
| 1426 | #define IWL_MAX_HW_QUEUES 32 |
| 1427 | unsigned long queue_stopped[BITS_TO_LONGS(IWL_MAX_HW_QUEUES)]; |
| 1428 | /* for each AC */ |
| 1429 | atomic_t queue_stop_count[4]; |
| 1430 | |
| 1431 | /* Indication if ieee80211_ops->open has been called */ |
| 1432 | u8 is_open; |
| 1433 | |
| 1434 | u8 mac80211_registered; |
| 1435 | |
| 1436 | /* eeprom -- this is in the card's little endian byte order */ |
| 1437 | u8 *eeprom; |
| 1438 | int nvm_device_type; |
| 1439 | struct iwl_eeprom_calib_info *calib_info; |
| 1440 | |
| 1441 | enum nl80211_iftype iw_mode; |
| 1442 | |
| 1443 | /* Last Rx'd beacon timestamp */ |
| 1444 | u64 timestamp; |
| 1445 | |
| 1446 | struct { |
| 1447 | __le32 flag; |
| 1448 | struct statistics_general_common common; |
| 1449 | struct statistics_rx_non_phy rx_non_phy; |
| 1450 | struct statistics_rx_phy rx_ofdm; |
| 1451 | struct statistics_rx_ht_phy rx_ofdm_ht; |
| 1452 | struct statistics_rx_phy rx_cck; |
| 1453 | struct statistics_tx tx; |
| 1454 | #ifdef CONFIG_IWLWIFI_DEBUGFS |
| 1455 | struct statistics_bt_activity bt_activity; |
| 1456 | __le32 num_bt_kills, accum_num_bt_kills; |
| 1457 | #endif |
| 1458 | } statistics; |
| 1459 | #ifdef CONFIG_IWLWIFI_DEBUGFS |
| 1460 | struct { |
| 1461 | struct statistics_general_common common; |
| 1462 | struct statistics_rx_non_phy rx_non_phy; |
| 1463 | struct statistics_rx_phy rx_ofdm; |
| 1464 | struct statistics_rx_ht_phy rx_ofdm_ht; |
| 1465 | struct statistics_rx_phy rx_cck; |
| 1466 | struct statistics_tx tx; |
| 1467 | struct statistics_bt_activity bt_activity; |
| 1468 | } accum_stats, delta_stats, max_delta_stats; |
| 1469 | #endif |
| 1470 | |
| 1471 | struct { |
| 1472 | /* INT ICT Table */ |
| 1473 | __le32 *ict_tbl; |
| 1474 | void *ict_tbl_vir; |
| 1475 | dma_addr_t ict_tbl_dma; |
| 1476 | dma_addr_t aligned_ict_tbl_dma; |
| 1477 | int ict_index; |
| 1478 | u32 inta; |
| 1479 | bool use_ict; |
| 1480 | /* |
| 1481 | * reporting the number of tids has AGG on. 0 means |
| 1482 | * no AGGREGATION |
| 1483 | */ |
| 1484 | u8 agg_tids_count; |
| 1485 | |
| 1486 | struct iwl_rx_phy_res last_phy_res; |
| 1487 | bool last_phy_res_valid; |
| 1488 | |
| 1489 | struct completion firmware_loading_complete; |
| 1490 | |
| 1491 | u32 init_evtlog_ptr, init_evtlog_size, init_errlog_ptr; |
| 1492 | u32 inst_evtlog_ptr, inst_evtlog_size, inst_errlog_ptr; |
| 1493 | |
| 1494 | /* |
| 1495 | * chain noise reset and gain commands are the |
| 1496 | * two extra calibration commands follows the standard |
| 1497 | * phy calibration commands |
| 1498 | */ |
| 1499 | u8 phy_calib_chain_noise_reset_cmd; |
| 1500 | u8 phy_calib_chain_noise_gain_cmd; |
| 1501 | |
| 1502 | /* counts reply_tx error */ |
| 1503 | struct reply_tx_error_statistics reply_tx_stats; |
| 1504 | struct reply_agg_tx_error_statistics reply_agg_tx_stats; |
| 1505 | /* notification wait support */ |
| 1506 | struct list_head notif_waits; |
| 1507 | spinlock_t notif_wait_lock; |
| 1508 | wait_queue_head_t notif_waitq; |
| 1509 | |
| 1510 | /* remain-on-channel offload support */ |
| 1511 | struct ieee80211_channel *hw_roc_channel; |
| 1512 | struct delayed_work hw_roc_work; |
| 1513 | enum nl80211_channel_type hw_roc_chantype; |
| 1514 | int hw_roc_duration; |
| 1515 | bool hw_roc_setup; |
| 1516 | |
| 1517 | struct sk_buff *offchan_tx_skb; |
| 1518 | int offchan_tx_timeout; |
| 1519 | struct ieee80211_channel *offchan_tx_chan; |
| 1520 | } _agn; |
| 1521 | |
| 1522 | /* bt coex */ |
| 1523 | u8 bt_enable_flag; |
| 1524 | u8 bt_status; |
| 1525 | u8 bt_traffic_load, last_bt_traffic_load; |
| 1526 | bool bt_ch_announce; |
| 1527 | bool bt_full_concurrent; |
| 1528 | bool bt_ant_couple_ok; |
| 1529 | __le32 kill_ack_mask; |
| 1530 | __le32 kill_cts_mask; |
| 1531 | __le16 bt_valid; |
| 1532 | u16 bt_on_thresh; |
| 1533 | u16 bt_duration; |
| 1534 | u16 dynamic_frag_thresh; |
| 1535 | u8 bt_ci_compliance; |
| 1536 | struct work_struct bt_traffic_change_work; |
| 1537 | bool bt_enable_pspoll; |
| 1538 | struct iwl_rxon_context *cur_rssi_ctx; |
| 1539 | bool bt_is_sco; |
| 1540 | |
| 1541 | struct iwl_hw_params hw_params; |
| 1542 | |
| 1543 | u32 inta_mask; |
| 1544 | |
| 1545 | struct workqueue_struct *workqueue; |
| 1546 | |
| 1547 | struct work_struct restart; |
| 1548 | struct work_struct scan_completed; |
| 1549 | struct work_struct rx_replenish; |
| 1550 | struct work_struct abort_scan; |
| 1551 | |
| 1552 | struct work_struct beacon_update; |
| 1553 | struct iwl_rxon_context *beacon_ctx; |
| 1554 | struct sk_buff *beacon_skb; |
| 1555 | void *beacon_cmd; |
| 1556 | |
| 1557 | struct work_struct tt_work; |
| 1558 | struct work_struct ct_enter; |
| 1559 | struct work_struct ct_exit; |
| 1560 | struct work_struct start_internal_scan; |
| 1561 | struct work_struct tx_flush; |
| 1562 | struct work_struct bt_full_concurrency; |
| 1563 | struct work_struct bt_runtime_config; |
| 1564 | |
| 1565 | struct tasklet_struct irq_tasklet; |
| 1566 | |
| 1567 | struct delayed_work scan_check; |
| 1568 | |
| 1569 | /* TX Power */ |
| 1570 | s8 tx_power_user_lmt; |
| 1571 | s8 tx_power_device_lmt; |
| 1572 | s8 tx_power_lmt_in_half_dbm; /* max tx power in half-dBm format */ |
| 1573 | s8 tx_power_next; |
| 1574 | |
| 1575 | |
| 1576 | #ifdef CONFIG_IWLWIFI_DEBUG |
| 1577 | /* debugging info */ |
| 1578 | u32 debug_level; /* per device debugging will override global |
| 1579 | iwl_debug_level if set */ |
| 1580 | #endif /* CONFIG_IWLWIFI_DEBUG */ |
| 1581 | #ifdef CONFIG_IWLWIFI_DEBUGFS |
| 1582 | /* debugfs */ |
| 1583 | u16 tx_traffic_idx; |
| 1584 | u16 rx_traffic_idx; |
| 1585 | u8 *tx_traffic; |
| 1586 | u8 *rx_traffic; |
| 1587 | struct dentry *debugfs_dir; |
| 1588 | u32 dbgfs_sram_offset, dbgfs_sram_len; |
| 1589 | bool disable_ht40; |
| 1590 | #endif /* CONFIG_IWLWIFI_DEBUGFS */ |
| 1591 | |
| 1592 | struct work_struct txpower_work; |
| 1593 | u32 disable_sens_cal; |
| 1594 | u32 disable_chain_noise_cal; |
| 1595 | struct work_struct run_time_calib_work; |
| 1596 | struct timer_list statistics_periodic; |
| 1597 | struct timer_list ucode_trace; |
| 1598 | struct timer_list watchdog; |
| 1599 | |
| 1600 | struct iwl_event_log event_log; |
| 1601 | |
| 1602 | struct led_classdev led; |
| 1603 | unsigned long blink_on, blink_off; |
| 1604 | bool led_registered; |
| 1605 | #ifdef CONFIG_IWLWIFI_DEVICE_SVTOOL |
| 1606 | struct iwl_testmode_trace testmode_trace; |
| 1607 | #endif |
| 1608 | u32 tm_fixed_rate; |
| 1609 | |
| 1610 | }; /*iwl_priv */ |
| 1611 | |
| 1612 | static inline void iwl_txq_ctx_activate(struct iwl_priv *priv, int txq_id) |
| 1613 | { |
| 1614 | set_bit(txq_id, &priv->txq_ctx_active_msk); |
| 1615 | } |
| 1616 | |
| 1617 | static inline void iwl_txq_ctx_deactivate(struct iwl_priv *priv, int txq_id) |
| 1618 | { |
| 1619 | clear_bit(txq_id, &priv->txq_ctx_active_msk); |
| 1620 | } |
| 1621 | |
| 1622 | #ifdef CONFIG_IWLWIFI_DEBUG |
| 1623 | /* |
| 1624 | * iwl_get_debug_level: Return active debug level for device |
| 1625 | * |
| 1626 | * Using sysfs it is possible to set per device debug level. This debug |
| 1627 | * level will be used if set, otherwise the global debug level which can be |
| 1628 | * set via module parameter is used. |
| 1629 | */ |
| 1630 | static inline u32 iwl_get_debug_level(struct iwl_priv *priv) |
| 1631 | { |
| 1632 | if (priv->debug_level) |
| 1633 | return priv->debug_level; |
| 1634 | else |
| 1635 | return iwl_debug_level; |
| 1636 | } |
| 1637 | #else |
| 1638 | static inline u32 iwl_get_debug_level(struct iwl_priv *priv) |
| 1639 | { |
| 1640 | return iwl_debug_level; |
| 1641 | } |
| 1642 | #endif |
| 1643 | |
| 1644 | |
| 1645 | static inline struct ieee80211_hdr *iwl_tx_queue_get_hdr(struct iwl_priv *priv, |
| 1646 | int txq_id, int idx) |
| 1647 | { |
| 1648 | if (priv->txq[txq_id].txb[idx].skb) |
| 1649 | return (struct ieee80211_hdr *)priv->txq[txq_id]. |
| 1650 | txb[idx].skb->data; |
| 1651 | return NULL; |
| 1652 | } |
| 1653 | |
| 1654 | static inline struct iwl_rxon_context * |
| 1655 | iwl_rxon_ctx_from_vif(struct ieee80211_vif *vif) |
| 1656 | { |
| 1657 | struct iwl_vif_priv *vif_priv = (void *)vif->drv_priv; |
| 1658 | |
| 1659 | return vif_priv->ctx; |
| 1660 | } |
| 1661 | |
| 1662 | #define for_each_context(priv, ctx) \ |
| 1663 | for (ctx = &priv->contexts[IWL_RXON_CTX_BSS]; \ |
| 1664 | ctx < &priv->contexts[NUM_IWL_RXON_CTX]; ctx++) \ |
| 1665 | if (priv->valid_contexts & BIT(ctx->ctxid)) |
| 1666 | |
| 1667 | static inline int iwl_is_associated_ctx(struct iwl_rxon_context *ctx) |
| 1668 | { |
| 1669 | return (ctx->active.filter_flags & RXON_FILTER_ASSOC_MSK) ? 1 : 0; |
| 1670 | } |
| 1671 | |
| 1672 | static inline int iwl_is_associated(struct iwl_priv *priv, |
| 1673 | enum iwl_rxon_context_id ctxid) |
| 1674 | { |
| 1675 | return iwl_is_associated_ctx(&priv->contexts[ctxid]); |
| 1676 | } |
| 1677 | |
| 1678 | static inline int iwl_is_any_associated(struct iwl_priv *priv) |
| 1679 | { |
| 1680 | struct iwl_rxon_context *ctx; |
| 1681 | for_each_context(priv, ctx) |
| 1682 | if (iwl_is_associated_ctx(ctx)) |
| 1683 | return true; |
| 1684 | return false; |
| 1685 | } |
| 1686 | |
| 1687 | static inline int is_channel_valid(const struct iwl_channel_info *ch_info) |
| 1688 | { |
| 1689 | if (ch_info == NULL) |
| 1690 | return 0; |
| 1691 | return (ch_info->flags & EEPROM_CHANNEL_VALID) ? 1 : 0; |
| 1692 | } |
| 1693 | |
| 1694 | static inline int is_channel_radar(const struct iwl_channel_info *ch_info) |
| 1695 | { |
| 1696 | return (ch_info->flags & EEPROM_CHANNEL_RADAR) ? 1 : 0; |
| 1697 | } |
| 1698 | |
| 1699 | static inline u8 is_channel_a_band(const struct iwl_channel_info *ch_info) |
| 1700 | { |
| 1701 | return ch_info->band == IEEE80211_BAND_5GHZ; |
| 1702 | } |
| 1703 | |
| 1704 | static inline u8 is_channel_bg_band(const struct iwl_channel_info *ch_info) |
| 1705 | { |
| 1706 | return ch_info->band == IEEE80211_BAND_2GHZ; |
| 1707 | } |
| 1708 | |
| 1709 | static inline int is_channel_passive(const struct iwl_channel_info *ch) |
| 1710 | { |
| 1711 | return (!(ch->flags & EEPROM_CHANNEL_ACTIVE)) ? 1 : 0; |
| 1712 | } |
| 1713 | |
| 1714 | static inline int is_channel_ibss(const struct iwl_channel_info *ch) |
| 1715 | { |
| 1716 | return ((ch->flags & EEPROM_CHANNEL_IBSS)) ? 1 : 0; |
| 1717 | } |
| 1718 | |
| 1719 | static inline void __iwl_free_pages(struct iwl_priv *priv, struct page *page) |
| 1720 | { |
| 1721 | __free_pages(page, priv->hw_params.rx_page_order); |
| 1722 | } |
| 1723 | |
| 1724 | static inline void iwl_free_pages(struct iwl_priv *priv, unsigned long page) |
| 1725 | { |
| 1726 | free_pages(page, priv->hw_params.rx_page_order); |
| 1727 | } |
| 1728 | #endif /* __iwl_dev_h__ */ |