1 /******************************************************************************
3 * Copyright(c) 2003 - 2011 Intel Corporation. All rights reserved.
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.
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
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
18 * The full GNU General Public License is included in this distribution in the
19 * file called LICENSE.
21 * Contact Information:
22 * Intel Linux Wireless <ilw@linux.intel.com>
23 * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
25 *****************************************************************************/
29 #include <linux/interrupt.h>
30 #include <linux/pci.h> /* for struct pci_device_id */
31 #include <linux/kernel.h>
32 #include <linux/leds.h>
33 #include <linux/wait.h>
35 #include <net/mac80211.h>
36 #include <net/ieee80211_radiotap.h>
46 #define IL_ERR(f, a...) dev_err(&il->pci_dev->dev, f, ## a)
47 #define IL_WARN(f, a...) dev_warn(&il->pci_dev->dev, f, ## a)
48 #define IL_INFO(f, a...) dev_info(&il->pci_dev->dev, f, ## a)
50 #define RX_QUEUE_SIZE 256
51 #define RX_QUEUE_MASK 255
52 #define RX_QUEUE_SIZE_LOG 8
55 * RX related structures and functions
57 #define RX_FREE_BUFFERS 64
58 #define RX_LOW_WATERMARK 8
60 #define U32_PAD(n) ((4-(n))&0x3)
62 /* CT-KILL constants */
63 #define CT_KILL_THRESHOLD_LEGACY 110 /* in Celsius */
65 /* Default noise level to report when noise measurement is not available.
66 * This may be because we're:
67 * 1) Not associated (4965, no beacon stats being sent to driver)
68 * 2) Scanning (noise measurement does not apply to associated channel)
69 * 3) Receiving CCK (3945 delivers noise info only for OFDM frames)
70 * Use default noise value of -127 ... this is below the range of measurable
71 * Rx dBm for either 3945 or 4965, so it can indicate "unmeasurable" to user.
72 * Also, -127 works better than 0 when averaging frames with/without
73 * noise info (e.g. averaging might be done in app); measured dBm values are
74 * always negative ... using a negative value as the default keeps all
75 * averages within an s8's (used in some apps) range of negative values. */
76 #define IL_NOISE_MEAS_NOT_AVAILABLE (-127)
79 * RTS threshold here is total size [2347] minus 4 FCS bytes
81 * a value of 0 means RTS on all data/management packets
82 * a value > max MSDU size means no RTS
83 * else RTS for data/management frames where MPDU is larger
86 #define DEFAULT_RTS_THRESHOLD 2347U
87 #define MIN_RTS_THRESHOLD 0U
88 #define MAX_RTS_THRESHOLD 2347U
89 #define MAX_MSDU_SIZE 2304U
90 #define MAX_MPDU_SIZE 2346U
91 #define DEFAULT_BEACON_INTERVAL 100U
92 #define DEFAULT_SHORT_RETRY_LIMIT 7U
93 #define DEFAULT_LONG_RETRY_LIMIT 4U
98 struct list_head list;
101 #define rxb_addr(r) page_address(r->page)
104 struct il_device_cmd;
107 /* only for SYNC commands, iff the reply skb is wanted */
108 struct il_host_cmd *source;
110 * only for ASYNC commands
111 * (which is somewhat stupid -- look at common.c for instance
112 * which duplicates a bunch of code because the callback isn't
113 * invoked for SYNC commands, if it were and its result passed
114 * through it would be simpler...)
116 void (*callback) (struct il_priv *il, struct il_device_cmd *cmd,
117 struct il_rx_pkt *pkt);
119 /* The CMD_SIZE_HUGE flag bit indicates that the command
120 * structure is stored at the end of the shared queue memory. */
123 DEFINE_DMA_UNMAP_ADDR(mapping);
124 DEFINE_DMA_UNMAP_LEN(len);
128 * Generic queue structure
130 * Contains common data for Rx and Tx queues
133 int n_bd; /* number of BDs in this queue */
134 int write_ptr; /* 1-st empty entry (idx) host_w */
135 int read_ptr; /* last used entry (idx) host_r */
136 /* use for monitoring and recovering the stuck queue */
137 dma_addr_t dma_addr; /* physical addr for BD's */
138 int n_win; /* safe queue win */
140 int low_mark; /* low watermark, resume queue if free
141 * space more than this */
142 int high_mark; /* high watermark, stop queue if free
143 * space less than this */
147 * struct il_tx_queue - Tx Queue for DMA
148 * @q: generic Rx/Tx queue descriptor
149 * @bd: base of circular buffer of TFDs
150 * @cmd: array of command/TX buffer pointers
151 * @meta: array of meta data for each command/tx buffer
152 * @dma_addr_cmd: physical address of cmd/tx buffer array
153 * @skbs: array of per-TFD socket buffer pointers
154 * @time_stamp: time (in jiffies) of last read_ptr change
155 * @need_update: indicates need to update read/write idx
156 * @sched_retry: indicates queue is high-throughput aggregation (HT AGG) enabled
158 * A Tx queue consists of circular buffer of BDs (a.k.a. TFDs, transmit frame
159 * descriptors) and required locking structures.
161 #define TFD_TX_CMD_SLOTS 256
162 #define TFD_CMD_SLOTS 32
167 struct il_device_cmd **cmd;
168 struct il_cmd_meta *meta;
169 struct sk_buff **skbs;
170 unsigned long time_stamp;
178 * EEPROM access time values:
180 * Driver initiates EEPROM read by writing byte address << 1 to CSR_EEPROM_REG.
181 * Driver then polls CSR_EEPROM_REG for CSR_EEPROM_REG_READ_VALID_MSK (0x1).
182 * When polling, wait 10 uSec between polling loops, up to a maximum 5000 uSec.
183 * Driver reads 16-bit value from bits 31-16 of CSR_EEPROM_REG.
185 #define IL_EEPROM_ACCESS_TIMEOUT 5000 /* uSec */
187 #define IL_EEPROM_SEM_TIMEOUT 10 /* microseconds */
188 #define IL_EEPROM_SEM_RETRY_LIMIT 1000 /* number of attempts (not time) */
191 * Regulatory channel usage flags in EEPROM struct il4965_eeprom_channel.flags.
193 * IBSS and/or AP operation is allowed *only* on those channels with
194 * (VALID && IBSS && ACTIVE && !RADAR). This restriction is in place because
195 * RADAR detection is not supported by the 4965 driver, but is a
196 * requirement for establishing a new network for legal operation on channels
197 * requiring RADAR detection or restricting ACTIVE scanning.
199 * NOTE: "WIDE" flag does not indicate anything about "HT40" 40 MHz channels.
200 * It only indicates that 20 MHz channel use is supported; HT40 channel
201 * usage is indicated by a separate set of regulatory flags for each
204 * NOTE: Using a channel inappropriately will result in a uCode error!
206 #define IL_NUM_TX_CALIB_GROUPS 5
208 EEPROM_CHANNEL_VALID = (1 << 0), /* usable for this SKU/geo */
209 EEPROM_CHANNEL_IBSS = (1 << 1), /* usable as an IBSS channel */
211 EEPROM_CHANNEL_ACTIVE = (1 << 3), /* active scanning allowed */
212 EEPROM_CHANNEL_RADAR = (1 << 4), /* radar detection required */
213 EEPROM_CHANNEL_WIDE = (1 << 5), /* 20 MHz channel okay */
214 /* Bit 6 Reserved (was Narrow Channel) */
215 EEPROM_CHANNEL_DFS = (1 << 7), /* dynamic freq selection candidate */
218 /* SKU Capabilities */
220 #define EEPROM_SKU_CAP_SW_RF_KILL_ENABLE (1 << 0)
221 #define EEPROM_SKU_CAP_HW_RF_KILL_ENABLE (1 << 1)
223 /* *regulatory* channel data format in eeprom, one for each channel.
224 * There are separate entries for HT40 (40 MHz) vs. normal (20 MHz) channels. */
225 struct il_eeprom_channel {
226 u8 flags; /* EEPROM_CHANNEL_* flags copied from EEPROM */
227 s8 max_power_avg; /* max power (dBm) on this chnl, limit 31 */
231 #define EEPROM_3945_EEPROM_VERSION (0x2f)
233 /* 4965 has two radio transmitters (and 3 radio receivers) */
234 #define EEPROM_TX_POWER_TX_CHAINS (2)
236 /* 4965 has room for up to 8 sets of txpower calibration data */
237 #define EEPROM_TX_POWER_BANDS (8)
239 /* 4965 factory calibration measures txpower gain settings for
240 * each of 3 target output levels */
241 #define EEPROM_TX_POWER_MEASUREMENTS (3)
244 /* 4965 driver does not work with txpower calibration version < 5 */
245 #define EEPROM_4965_TX_POWER_VERSION (5)
246 #define EEPROM_4965_EEPROM_VERSION (0x2f)
247 #define EEPROM_4965_CALIB_VERSION_OFFSET (2*0xB6) /* 2 bytes */
248 #define EEPROM_4965_CALIB_TXPOWER_OFFSET (2*0xE8) /* 48 bytes */
249 #define EEPROM_4965_BOARD_REVISION (2*0x4F) /* 2 bytes */
250 #define EEPROM_4965_BOARD_PBA (2*0x56+1) /* 9 bytes */
253 extern const u8 il_eeprom_band_1[14];
256 * factory calibration data for one txpower level, on one channel,
257 * measured on one of the 2 tx chains (radio transmitter and associated
258 * antenna). EEPROM contains:
260 * 1) Temperature (degrees Celsius) of device when measurement was made.
262 * 2) Gain table idx used to achieve the target measurement power.
263 * This refers to the "well-known" gain tables (see 4965.h).
265 * 3) Actual measured output power, in half-dBm ("34" = 17 dBm).
267 * 4) RF power amplifier detector level measurement (not used).
269 struct il_eeprom_calib_measure {
270 u8 temperature; /* Device temperature (Celsius) */
271 u8 gain_idx; /* Index into gain table */
272 u8 actual_pow; /* Measured RF output power, half-dBm */
273 s8 pa_det; /* Power amp detector level (not used) */
277 * measurement set for one channel. EEPROM contains:
279 * 1) Channel number measured
281 * 2) Measurements for each of 3 power levels for each of 2 radio transmitters
282 * (a.k.a. "tx chains") (6 measurements altogether)
284 struct il_eeprom_calib_ch_info {
286 struct il_eeprom_calib_measure
287 measurements[EEPROM_TX_POWER_TX_CHAINS]
288 [EEPROM_TX_POWER_MEASUREMENTS];
292 * txpower subband info.
294 * For each frequency subband, EEPROM contains the following:
296 * 1) First and last channels within range of the subband. "0" values
297 * indicate that this sample set is not being used.
299 * 2) Sample measurement sets for 2 channels close to the range endpoints.
301 struct il_eeprom_calib_subband_info {
302 u8 ch_from; /* channel number of lowest channel in subband */
303 u8 ch_to; /* channel number of highest channel in subband */
304 struct il_eeprom_calib_ch_info ch1;
305 struct il_eeprom_calib_ch_info ch2;
309 * txpower calibration info. EEPROM contains:
311 * 1) Factory-measured saturation power levels (maximum levels at which
312 * tx power amplifier can output a signal without too much distortion).
313 * There is one level for 2.4 GHz band and one for 5 GHz band. These
314 * values apply to all channels within each of the bands.
316 * 2) Factory-measured power supply voltage level. This is assumed to be
317 * constant (i.e. same value applies to all channels/bands) while the
318 * factory measurements are being made.
320 * 3) Up to 8 sets of factory-measured txpower calibration values.
321 * These are for different frequency ranges, since txpower gain
322 * characteristics of the analog radio circuitry vary with frequency.
324 * Not all sets need to be filled with data;
325 * struct il_eeprom_calib_subband_info contains range of channels
326 * (0 if unused) for each set of data.
328 struct il_eeprom_calib_info {
329 u8 saturation_power24; /* half-dBm (e.g. "34" = 17 dBm) */
330 u8 saturation_power52; /* half-dBm */
331 __le16 voltage; /* signed */
332 struct il_eeprom_calib_subband_info band_info[EEPROM_TX_POWER_BANDS];
336 #define EEPROM_DEVICE_ID (2*0x08) /* 2 bytes */
337 #define EEPROM_MAC_ADDRESS (2*0x15) /* 6 bytes */
338 #define EEPROM_BOARD_REVISION (2*0x35) /* 2 bytes */
339 #define EEPROM_BOARD_PBA_NUMBER (2*0x3B+1) /* 9 bytes */
340 #define EEPROM_VERSION (2*0x44) /* 2 bytes */
341 #define EEPROM_SKU_CAP (2*0x45) /* 2 bytes */
342 #define EEPROM_OEM_MODE (2*0x46) /* 2 bytes */
343 #define EEPROM_WOWLAN_MODE (2*0x47) /* 2 bytes */
344 #define EEPROM_RADIO_CONFIG (2*0x48) /* 2 bytes */
345 #define EEPROM_NUM_MAC_ADDRESS (2*0x4C) /* 2 bytes */
347 /* The following masks are to be applied on EEPROM_RADIO_CONFIG */
348 #define EEPROM_RF_CFG_TYPE_MSK(x) (x & 0x3) /* bits 0-1 */
349 #define EEPROM_RF_CFG_STEP_MSK(x) ((x >> 2) & 0x3) /* bits 2-3 */
350 #define EEPROM_RF_CFG_DASH_MSK(x) ((x >> 4) & 0x3) /* bits 4-5 */
351 #define EEPROM_RF_CFG_PNUM_MSK(x) ((x >> 6) & 0x3) /* bits 6-7 */
352 #define EEPROM_RF_CFG_TX_ANT_MSK(x) ((x >> 8) & 0xF) /* bits 8-11 */
353 #define EEPROM_RF_CFG_RX_ANT_MSK(x) ((x >> 12) & 0xF) /* bits 12-15 */
355 #define EEPROM_3945_RF_CFG_TYPE_MAX 0x0
356 #define EEPROM_4965_RF_CFG_TYPE_MAX 0x1
359 * Per-channel regulatory data.
361 * Each channel that *might* be supported by iwl has a fixed location
362 * in EEPROM containing EEPROM_CHANNEL_* usage flags (LSB) and max regulatory
365 * Entries immediately below are for 20 MHz channel width. HT40 (40 MHz)
366 * channels (only for 4965, not supported by 3945) appear later in the EEPROM.
368 * 2.4 GHz channels 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14
370 #define EEPROM_REGULATORY_SKU_ID (2*0x60) /* 4 bytes */
371 #define EEPROM_REGULATORY_BAND_1 (2*0x62) /* 2 bytes */
372 #define EEPROM_REGULATORY_BAND_1_CHANNELS (2*0x63) /* 28 bytes */
375 * 4.9 GHz channels 183, 184, 185, 187, 188, 189, 192, 196,
376 * 5.0 GHz channels 7, 8, 11, 12, 16
377 * (4915-5080MHz) (none of these is ever supported)
379 #define EEPROM_REGULATORY_BAND_2 (2*0x71) /* 2 bytes */
380 #define EEPROM_REGULATORY_BAND_2_CHANNELS (2*0x72) /* 26 bytes */
383 * 5.2 GHz channels 34, 36, 38, 40, 42, 44, 46, 48, 52, 56, 60, 64
386 #define EEPROM_REGULATORY_BAND_3 (2*0x7F) /* 2 bytes */
387 #define EEPROM_REGULATORY_BAND_3_CHANNELS (2*0x80) /* 24 bytes */
390 * 5.5 GHz channels 100, 104, 108, 112, 116, 120, 124, 128, 132, 136, 140
393 #define EEPROM_REGULATORY_BAND_4 (2*0x8C) /* 2 bytes */
394 #define EEPROM_REGULATORY_BAND_4_CHANNELS (2*0x8D) /* 22 bytes */
397 * 5.7 GHz channels 145, 149, 153, 157, 161, 165
400 #define EEPROM_REGULATORY_BAND_5 (2*0x98) /* 2 bytes */
401 #define EEPROM_REGULATORY_BAND_5_CHANNELS (2*0x99) /* 12 bytes */
404 * 2.4 GHz HT40 channels 1 (5), 2 (6), 3 (7), 4 (8), 5 (9), 6 (10), 7 (11)
406 * The channel listed is the center of the lower 20 MHz half of the channel.
407 * The overall center frequency is actually 2 channels (10 MHz) above that,
408 * and the upper half of each HT40 channel is centered 4 channels (20 MHz) away
409 * from the lower half; e.g. the upper half of HT40 channel 1 is channel 5,
410 * and the overall HT40 channel width centers on channel 3.
412 * NOTE: The RXON command uses 20 MHz channel numbers to specify the
413 * control channel to which to tune. RXON also specifies whether the
414 * control channel is the upper or lower half of a HT40 channel.
416 * NOTE: 4965 does not support HT40 channels on 2.4 GHz.
418 #define EEPROM_4965_REGULATORY_BAND_24_HT40_CHANNELS (2*0xA0) /* 14 bytes */
421 * 5.2 GHz HT40 channels 36 (40), 44 (48), 52 (56), 60 (64),
422 * 100 (104), 108 (112), 116 (120), 124 (128), 132 (136), 149 (153), 157 (161)
424 #define EEPROM_4965_REGULATORY_BAND_52_HT40_CHANNELS (2*0xA8) /* 22 bytes */
426 #define EEPROM_REGULATORY_BAND_NO_HT40 (0)
428 int il_eeprom_init(struct il_priv *il);
429 void il_eeprom_free(struct il_priv *il);
430 const u8 *il_eeprom_query_addr(const struct il_priv *il, size_t offset);
431 u16 il_eeprom_query16(const struct il_priv *il, size_t offset);
432 int il_init_channel_map(struct il_priv *il);
433 void il_free_channel_map(struct il_priv *il);
434 const struct il_channel_info *il_get_channel_info(const struct il_priv *il,
435 enum ieee80211_band band,
438 #define IL_NUM_SCAN_RATES (2)
440 struct il4965_channel_tgd_info {
445 struct il4965_channel_tgh_info {
449 #define IL4965_MAX_RATE (33)
451 struct il3945_clip_group {
452 /* maximum power level to prevent clipping for each rate, derived by
453 * us from this band's saturation power in EEPROM */
454 const s8 clip_powers[IL_MAX_RATES];
457 /* current Tx power values to use, one for each rate for each channel.
458 * requested power is limited by:
459 * -- regulatory EEPROM limits for this channel
460 * -- hardware capabilities (clip-powers)
461 * -- spectrum management
462 * -- user preference (e.g. iwconfig)
463 * when requested power is set, base power idx must also be set. */
464 struct il3945_channel_power_info {
465 struct il3945_tx_power tpc; /* actual radio and DSP gain settings */
466 s8 power_table_idx; /* actual (compenst'd) idx into gain table */
467 s8 base_power_idx; /* gain idx for power at factory temp. */
468 s8 requested_power; /* power (dBm) requested for this chnl/rate */
471 /* current scan Tx power values to use, one for each scan rate for each
473 struct il3945_scan_power_info {
474 struct il3945_tx_power tpc; /* actual radio and DSP gain settings */
475 s8 power_table_idx; /* actual (compenst'd) idx into gain table */
476 s8 requested_power; /* scan pwr (dBm) requested for chnl/rate */
480 * One for each channel, holds all channel setup data
481 * Some of the fields (e.g. eeprom and flags/max_power_avg) are redundant
484 struct il_channel_info {
485 struct il4965_channel_tgd_info tgd;
486 struct il4965_channel_tgh_info tgh;
487 struct il_eeprom_channel eeprom; /* EEPROM regulatory limit */
488 struct il_eeprom_channel ht40_eeprom; /* EEPROM regulatory limit for
491 u8 channel; /* channel number */
492 u8 flags; /* flags copied from EEPROM */
493 s8 max_power_avg; /* (dBm) regul. eeprom, normal Tx, any rate */
494 s8 curr_txpow; /* (dBm) regulatory/spectrum/user (not h/w) limit */
495 s8 min_power; /* always 0 */
496 s8 scan_power; /* (dBm) regul. eeprom, direct scans, any rate */
498 u8 group_idx; /* 0-4, maps channel to group1/2/3/4/5 */
499 u8 band_idx; /* 0-4, maps channel to band1/2/3/4/5 */
500 enum ieee80211_band band;
502 /* HT40 channel info */
503 s8 ht40_max_power_avg; /* (dBm) regul. eeprom, normal Tx, any rate */
504 u8 ht40_flags; /* flags copied from EEPROM */
505 u8 ht40_extension_channel; /* HT_IE_EXT_CHANNEL_* */
507 /* Radio/DSP gain settings for each "normal" data Tx rate.
508 * These include, in addition to RF and DSP gain, a few fields for
509 * remembering/modifying gain settings (idxes). */
510 struct il3945_channel_power_info power_info[IL4965_MAX_RATE];
512 /* Radio/DSP gain settings for each scan rate, for directed scans. */
513 struct il3945_scan_power_info scan_pwr_info[IL_NUM_SCAN_RATES];
516 #define IL_TX_FIFO_BK 0 /* shared */
517 #define IL_TX_FIFO_BE 1
518 #define IL_TX_FIFO_VI 2 /* shared */
519 #define IL_TX_FIFO_VO 3
520 #define IL_TX_FIFO_UNUSED -1
522 /* Minimum number of queues. MAX_NUM is defined in hw specific files.
523 * Set the minimum to accommodate the 4 standard TX queues, 1 command
524 * queue, 2 (unused) HCCA queues, and 4 HT queues (one for each AC) */
525 #define IL_MIN_NUM_QUEUES 10
527 #define IL_DEFAULT_CMD_QUEUE_NUM 4
529 #define IEEE80211_DATA_LEN 2304
530 #define IEEE80211_4ADDR_LEN 30
531 #define IEEE80211_HLEN (IEEE80211_4ADDR_LEN)
532 #define IEEE80211_FRAME_LEN (IEEE80211_DATA_LEN + IEEE80211_HLEN)
536 struct ieee80211_hdr frame;
537 struct il_tx_beacon_cmd beacon;
538 u8 raw[IEEE80211_FRAME_LEN];
541 struct list_head list;
548 CMD_SIZE_HUGE = (1 << 0),
549 CMD_ASYNC = (1 << 1),
550 CMD_WANT_SKB = (1 << 2),
551 CMD_MAPPED = (1 << 3),
554 #define DEF_CMD_PAYLOAD_SIZE 320
557 * struct il_device_cmd
559 * For allocation of the command and tx queues, this establishes the overall
560 * size of the largest command we send to uCode, except for a scan command
561 * (which is relatively huge; space is allocated separately).
563 struct il_device_cmd {
564 struct il_cmd_header hdr; /* uCode API */
571 u8 payload[DEF_CMD_PAYLOAD_SIZE];
575 #define TFD_MAX_PAYLOAD_SIZE (sizeof(struct il_device_cmd))
579 unsigned long reply_page;
580 void (*callback) (struct il_priv *il, struct il_device_cmd *cmd,
581 struct il_rx_pkt *pkt);
587 #define SUP_RATE_11A_MAX_NUM_CHANNELS 8
588 #define SUP_RATE_11B_MAX_NUM_CHANNELS 4
589 #define SUP_RATE_11G_MAX_NUM_CHANNELS 12
592 * struct il_rx_queue - Rx queue
593 * @bd: driver's pointer to buffer of receive buffer descriptors (rbd)
594 * @bd_dma: bus address of buffer of receive buffer descriptors (rbd)
595 * @read: Shared idx to newest available Rx buffer
596 * @write: Shared idx to oldest written Rx packet
597 * @free_count: Number of pre-allocated buffers in rx_free
598 * @rx_free: list of free SKBs for use
599 * @rx_used: List of Rx buffers with no SKB
600 * @need_update: flag to indicate we need to update read/write idx
601 * @rb_stts: driver's pointer to receive buffer status
602 * @rb_stts_dma: bus address of receive buffer status
604 * NOTE: rx_free and rx_used are used as a FIFO for il_rx_bufs
609 struct il_rx_buf pool[RX_QUEUE_SIZE + RX_FREE_BUFFERS];
610 struct il_rx_buf *queue[RX_QUEUE_SIZE];
615 struct list_head rx_free;
616 struct list_head rx_used;
618 struct il_rb_status *rb_stts;
619 dma_addr_t rb_stts_dma;
623 #define IL_SUPPORTED_RATES_IE_LEN 8
625 #define MAX_TID_COUNT 9
627 #define IL_INVALID_RATE 0xFF
628 #define IL_INVALID_VALUE -1
631 * struct il_ht_agg -- aggregation status while waiting for block-ack
632 * @txq_id: Tx queue used for Tx attempt
633 * @frame_count: # frames attempted by Tx command
634 * @wait_for_ba: Expect block-ack before next Tx reply
635 * @start_idx: Index of 1st Transmit Frame Descriptor (TFD) in Tx win
636 * @bitmap0: Low order bitmap, one bit for each frame pending ACK in Tx win
637 * @bitmap1: High order, one bit for each frame pending ACK in Tx win
638 * @rate_n_flags: Rate at which Tx was attempted
640 * If C_TX indicates that aggregation was attempted, driver must wait
641 * for block ack (N_COMPRESSED_BA). This struct stores tx reply info
642 * until block ack arrives.
653 #define IL_EMPTYING_HW_QUEUE_ADDBA 2
654 #define IL_EMPTYING_HW_QUEUE_DELBA 3
659 u16 seq_number; /* 4965 only */
661 struct il_ht_agg agg;
671 union il_ht_rate_supp {
679 #define CFG_HT_RX_AMPDU_FACTOR_8K (0x0)
680 #define CFG_HT_RX_AMPDU_FACTOR_16K (0x1)
681 #define CFG_HT_RX_AMPDU_FACTOR_32K (0x2)
682 #define CFG_HT_RX_AMPDU_FACTOR_64K (0x3)
683 #define CFG_HT_RX_AMPDU_FACTOR_DEF CFG_HT_RX_AMPDU_FACTOR_64K
684 #define CFG_HT_RX_AMPDU_FACTOR_MAX CFG_HT_RX_AMPDU_FACTOR_64K
685 #define CFG_HT_RX_AMPDU_FACTOR_MIN CFG_HT_RX_AMPDU_FACTOR_8K
688 * Maximal MPDU density for TX aggregation
694 #define CFG_HT_MPDU_DENSITY_2USEC (0x4)
695 #define CFG_HT_MPDU_DENSITY_4USEC (0x5)
696 #define CFG_HT_MPDU_DENSITY_8USEC (0x6)
697 #define CFG_HT_MPDU_DENSITY_16USEC (0x7)
698 #define CFG_HT_MPDU_DENSITY_DEF CFG_HT_MPDU_DENSITY_4USEC
699 #define CFG_HT_MPDU_DENSITY_MAX CFG_HT_MPDU_DENSITY_16USEC
700 #define CFG_HT_MPDU_DENSITY_MIN (0x1)
702 struct il_ht_config {
703 bool single_chain_sufficient;
704 enum ieee80211_smps_mode smps; /* current smps mode */
710 struct il_qosparam_cmd def_qos_parm;
714 * Structure should be accessed with sta_lock held. When station addition
715 * is in progress (IL_STA_UCODE_INPROGRESS) it is possible to access only
716 * the commands (il_addsta_cmd and il_link_quality_cmd) without
719 struct il_station_entry {
720 struct il_addsta_cmd sta;
721 struct il_tid_data tid[MAX_TID_COUNT];
723 struct il_hw_key keyinfo;
724 struct il_link_quality_cmd *lq;
727 struct il_station_priv_common {
732 * struct il_vif_priv - driver's ilate per-interface information
734 * When mac80211 allocates a virtual interface, it can allocate
735 * space for us to put data into.
738 u8 ibss_bssid_sta_id;
741 /* one for each uCode image (inst/data, boot/init/runtime) */
743 void *v_addr; /* access by driver */
744 dma_addr_t p_addr; /* access by card's busmaster DMA */
748 /* uCode file layout */
749 struct il_ucode_header {
750 __le32 ver; /* major/minor/API/serial */
752 __le32 inst_size; /* bytes of runtime code */
753 __le32 data_size; /* bytes of runtime data */
754 __le32 init_size; /* bytes of init code */
755 __le32 init_data_size; /* bytes of init data */
756 __le32 boot_size; /* bytes of bootstrap code */
757 u8 data[0]; /* in same order as sizes */
761 struct il4965_ibss_seq {
765 unsigned long packet_time;
766 struct list_head list;
769 struct il_sensitivity_ranges {
776 u16 auto_corr_min_ofdm;
777 u16 auto_corr_min_ofdm_mrc;
778 u16 auto_corr_min_ofdm_x1;
779 u16 auto_corr_min_ofdm_mrc_x1;
781 u16 auto_corr_max_ofdm;
782 u16 auto_corr_max_ofdm_mrc;
783 u16 auto_corr_max_ofdm_x1;
784 u16 auto_corr_max_ofdm_mrc_x1;
786 u16 auto_corr_max_cck;
787 u16 auto_corr_max_cck_mrc;
788 u16 auto_corr_min_cck;
789 u16 auto_corr_min_cck_mrc;
791 u16 barker_corr_th_min;
792 u16 barker_corr_th_min_mrc;
796 #define KELVIN_TO_CELSIUS(x) ((x)-273)
797 #define CELSIUS_TO_KELVIN(x) ((x)+273)
800 * struct il_hw_params
801 * @bcast_id: f/w broadcast station ID
802 * @max_txq_num: Max # Tx queues supported
803 * @dma_chnl_num: Number of Tx DMA/FIFO channels
804 * @scd_bc_tbls_size: size of scheduler byte count tables
805 * @tfd_size: TFD size
806 * @tx/rx_chains_num: Number of TX/RX chains
807 * @valid_tx/rx_ant: usable antennas
808 * @max_rxq_size: Max # Rx frames in Rx queue (must be power-of-2)
809 * @max_rxq_log: Log-base-2 of max_rxq_size
810 * @rx_page_order: Rx buffer page order
811 * @rx_wrt_ptr_reg: FH{39}_RSCSR_CHNL0_WPTR
813 * @ht40_channel: is 40MHz width possible in band 2.4
814 * BIT(IEEE80211_BAND_5GHZ) BIT(IEEE80211_BAND_5GHZ)
815 * @sw_crypto: 0 for hw, 1 for sw
816 * @max_xxx_size: for ucode uses
817 * @ct_kill_threshold: temperature threshold
818 * @beacon_time_tsf_bits: number of valid tsf bits for beacon time
819 * @struct il_sensitivity_ranges: range of sensitivity values
821 struct il_hw_params {
825 u16 scd_bc_tbls_size;
837 u8 max_beacon_itrvl; /* in 1024 ms */
841 u32 ct_kill_threshold; /* value in hw-dependent units */
842 u16 beacon_time_tsf_bits;
843 const struct il_sensitivity_ranges *sens;
846 /******************************************************************************
848 * Functions implemented in core module which are forward declared here
849 * for use by iwl-[4-5].c
851 * NOTE: The implementation of these functions are not hardware specific
852 * which is why they are in the core module files.
854 * Naming convention --
855 * il_ <-- Is part of iwlwifi
856 * iwlXXXX_ <-- Hardware specific (implemented in iwl-XXXX.c for XXXX)
857 * il4965_bg_ <-- Called from work queue context
858 * il4965_mac_ <-- mac80211 callback
860 ****************************************************************************/
861 void il4965_update_chain_flags(struct il_priv *il);
862 extern const u8 il_bcast_addr[ETH_ALEN];
863 int il_queue_space(const struct il_queue *q);
865 il_queue_used(const struct il_queue *q, int i)
867 return q->write_ptr >= q->read_ptr ? (i >= q->read_ptr &&
868 i < q->write_ptr) : !(i <
876 il_get_cmd_idx(struct il_queue *q, u32 idx, int is_huge)
879 * This is for init calibration result and scan command which
880 * required buffer > TFD_MAX_PAYLOAD_SIZE,
881 * the big buffer at end of command array
884 return q->n_win; /* must be power of 2 */
886 /* Otherwise, use normal size buffers */
887 return idx & (q->n_win - 1);
896 #define IL_OPERATION_MODE_AUTO 0
897 #define IL_OPERATION_MODE_HT_ONLY 1
898 #define IL_OPERATION_MODE_MIXED 2
899 #define IL_OPERATION_MODE_20MHZ 3
901 #define IL_TX_CRC_SIZE 4
902 #define IL_TX_DELIMITER_SIZE 4
904 #define TX_POWER_IL_ILLEGAL_VOLTAGE -10000
906 /* Sensitivity and chain noise calibration */
907 #define INITIALIZATION_VALUE 0xFFFF
908 #define IL4965_CAL_NUM_BEACONS 20
909 #define IL_CAL_NUM_BEACONS 16
910 #define MAXIMUM_ALLOWED_PATHLOSS 15
912 #define CHAIN_NOISE_MAX_DELTA_GAIN_CODE 3
914 #define MAX_FA_OFDM 50
915 #define MIN_FA_OFDM 5
916 #define MAX_FA_CCK 50
919 #define AUTO_CORR_STEP_OFDM 1
921 #define AUTO_CORR_STEP_CCK 3
922 #define AUTO_CORR_MAX_TH_CCK 160
925 #define NRG_STEP_CCK 2
927 #define MAX_NUMBER_CCK_NO_FA 100
929 #define AUTO_CORR_CCK_MIN_VAL_DEF (125)
934 #define CHAIN_NOISE_DELTA_GAIN_INIT_VAL 4
935 #define ALL_BAND_FILTER 0xFF00
936 #define IN_BAND_FILTER 0xFF
937 #define MIN_AVERAGE_NOISE_MAX_VALUE 0xFFFFFFFF
939 #define NRG_NUM_PREV_STAT_L 20
940 #define NUM_RX_CHAINS 3
942 enum il4965_false_alarm_state {
945 IL_FA_GOOD_RANGE = 2,
948 enum il4965_chain_noise_state {
949 IL_CHAIN_NOISE_ALIVE = 0, /* must be 0 */
950 IL_CHAIN_NOISE_ACCUMULATE,
951 IL_CHAIN_NOISE_CALIBRATED,
961 /* Sensitivity calib data */
962 struct il_sensitivity_data {
964 u32 auto_corr_ofdm_mrc;
965 u32 auto_corr_ofdm_x1;
966 u32 auto_corr_ofdm_mrc_x1;
968 u32 auto_corr_cck_mrc;
970 u32 last_bad_plcp_cnt_ofdm;
971 u32 last_fa_cnt_ofdm;
972 u32 last_bad_plcp_cnt_cck;
978 u8 nrg_silence_rssi[NRG_NUM_PREV_STAT_L];
983 s32 nrg_auto_corr_silence_diff;
984 u32 num_in_cck_no_fa;
987 u16 barker_corr_th_min;
988 u16 barker_corr_th_min_mrc;
992 /* Chain noise (differential Rx gain) calib data */
993 struct il_chain_noise_data {
1002 u8 disconn_array[NUM_RX_CHAINS];
1003 u8 delta_gain_code[NUM_RX_CHAINS];
1008 #define EEPROM_SEM_TIMEOUT 10 /* milliseconds */
1009 #define EEPROM_SEM_RETRY_LIMIT 1000 /* number of attempts (not time) */
1011 #define IL_TRAFFIC_ENTRIES (256)
1012 #define IL_TRAFFIC_ENTRY_SIZE (64)
1015 MEASUREMENT_READY = (1 << 0),
1016 MEASUREMENT_ACTIVE = (1 << 1),
1019 /* interrupt stats */
1030 u32 handlers[IL_CN_MAX];
1035 /* management stats */
1036 enum il_mgmt_stats {
1037 MANAGEMENT_ASSOC_REQ = 0,
1038 MANAGEMENT_ASSOC_RESP,
1039 MANAGEMENT_REASSOC_REQ,
1040 MANAGEMENT_REASSOC_RESP,
1041 MANAGEMENT_PROBE_REQ,
1042 MANAGEMENT_PROBE_RESP,
1045 MANAGEMENT_DISASSOC,
1052 enum il_ctrl_stats {
1053 CONTROL_BACK_REQ = 0,
1064 struct traffic_stats {
1065 #ifdef CONFIG_IWLEGACY_DEBUGFS
1066 u32 mgmt[MANAGEMENT_MAX];
1067 u32 ctrl[CONTROL_MAX];
1074 * host interrupt timeout value
1075 * used with setting interrupt coalescing timer
1076 * the CSR_INT_COALESCING is an 8 bit register in 32-usec unit
1078 * default interrupt coalescing timer is 64 x 32 = 2048 usecs
1079 * default interrupt coalescing calibration timer is 16 x 32 = 512 usecs
1081 #define IL_HOST_INT_TIMEOUT_MAX (0xFF)
1082 #define IL_HOST_INT_TIMEOUT_DEF (0x40)
1083 #define IL_HOST_INT_TIMEOUT_MIN (0x0)
1084 #define IL_HOST_INT_CALIB_TIMEOUT_MAX (0xFF)
1085 #define IL_HOST_INT_CALIB_TIMEOUT_DEF (0x10)
1086 #define IL_HOST_INT_CALIB_TIMEOUT_MIN (0x0)
1088 #define IL_DELAY_NEXT_FORCE_FW_RELOAD (HZ*5)
1090 /* TX queue watchdog timeouts in mSecs */
1091 #define IL_DEF_WD_TIMEOUT (2000)
1092 #define IL_LONG_WD_TIMEOUT (10000)
1093 #define IL_MAX_WD_TIMEOUT (120000)
1095 struct il_force_reset {
1096 int reset_request_count;
1097 int reset_success_count;
1098 int reset_reject_count;
1099 unsigned long reset_duration;
1100 unsigned long last_force_reset_jiffies;
1103 /* extend beacon time format bit shifting */
1106 * bits 31:24 - extended
1107 * bits 23:0 - interval
1109 #define IL3945_EXT_BEACON_TIME_POS 24
1112 * bits 31:22 - extended
1113 * bits 21:0 - interval
1115 #define IL4965_EXT_BEACON_TIME_POS 22
1117 struct il_rxon_context {
1118 struct ieee80211_vif *vif;
1121 struct il_power_mgr {
1122 struct il_powertable_cmd sleep_cmd;
1123 struct il_powertable_cmd sleep_cmd_next;
1124 int debug_sleep_level_override;
1129 struct ieee80211_hw *hw;
1130 struct ieee80211_channel *ieee_channels;
1131 struct ieee80211_rate *ieee_rates;
1134 const struct il_ops *ops;
1135 #ifdef CONFIG_IWLEGACY_DEBUGFS
1136 const struct il_debugfs_ops *debugfs_ops;
1139 /* temporary frame storage list */
1140 struct list_head free_frames;
1143 enum ieee80211_band band;
1146 void (*handlers[IL_CN_MAX]) (struct il_priv *il,
1147 struct il_rx_buf *rxb);
1149 struct ieee80211_supported_band bands[IEEE80211_NUM_BANDS];
1151 /* spectrum measurement report caching */
1152 struct il_spectrum_notification measure_report;
1153 u8 measurement_status;
1155 /* ucode beacon time */
1156 u32 ucode_beacon_time;
1157 int missed_beacon_threshold;
1159 /* track IBSS manager (last beacon) status */
1163 struct il_force_reset force_reset;
1165 /* we allocate array of il_channel_info for NIC's valid channels.
1166 * Access via channel # using indirect idx array */
1167 struct il_channel_info *channel_info; /* channel info array */
1168 u8 channel_count; /* # of channels */
1170 /* thermal calibration */
1171 s32 temperature; /* degrees Kelvin */
1172 s32 last_temperature;
1174 /* Scan related variables */
1175 unsigned long scan_start;
1176 unsigned long scan_start_tsf;
1178 enum ieee80211_band scan_band;
1179 struct cfg80211_scan_request *scan_request;
1180 struct ieee80211_vif *scan_vif;
1181 u8 scan_tx_ant[IEEE80211_NUM_BANDS];
1185 spinlock_t lock; /* protect general shared data */
1186 spinlock_t hcmd_lock; /* protect hcmd */
1187 spinlock_t reg_lock; /* protect hw register access */
1190 /* basic pci-network driver stuff */
1191 struct pci_dev *pci_dev;
1193 /* pci hardware address support */
1194 void __iomem *hw_base;
1199 /* command queue number */
1202 /* max number of station keys */
1205 /* EEPROM MAC addresses */
1206 struct mac_address addresses[1];
1208 /* uCode images, save to reload in case of failure */
1209 int fw_idx; /* firmware we're trying to load */
1210 u32 ucode_ver; /* version of ucode, copy of
1212 struct fw_desc ucode_code; /* runtime inst */
1213 struct fw_desc ucode_data; /* runtime data original */
1214 struct fw_desc ucode_data_backup; /* runtime data save/restore */
1215 struct fw_desc ucode_init; /* initialization inst */
1216 struct fw_desc ucode_init_data; /* initialization data */
1217 struct fw_desc ucode_boot; /* bootstrap inst */
1218 enum ucode_type ucode_type;
1219 u8 ucode_write_complete; /* the image write is complete */
1220 char firmware_name[25];
1222 struct ieee80211_vif *vif;
1224 struct il_qos_info qos_data;
1229 bool non_gf_sta_present;
1231 u8 extension_chan_offset;
1235 * We declare this const so it can only be
1236 * changed via explicit cast within the
1237 * routines that actually update the physical
1240 const struct il_rxon_cmd active;
1241 struct il_rxon_cmd staging;
1243 struct il_rxon_time_cmd timing;
1245 __le16 switch_channel;
1247 /* 1st responses from initialize and runtime uCode images.
1248 * _4965's initialize alive response contains some calibration data. */
1249 struct il_init_alive_resp card_alive_init;
1250 struct il_alive_resp card_alive;
1255 struct il_sensitivity_data sensitivity_data;
1256 struct il_chain_noise_data chain_noise_data;
1257 __le16 sensitivity_tbl[HD_TBL_SIZE];
1259 struct il_ht_config current_ht_config;
1261 /* Rate scaling data */
1264 wait_queue_head_t wait_command_queue;
1266 int activity_timer_active;
1268 /* Rx and Tx DMA processing queues */
1269 struct il_rx_queue rxq;
1270 struct il_tx_queue *txq;
1271 unsigned long txq_ctx_active_msk;
1272 struct il_dma_ptr kw; /* keep warm address */
1273 struct il_dma_ptr scd_bc_tbls;
1275 u32 scd_base_addr; /* scheduler sram base address */
1277 unsigned long status;
1279 /* counts mgmt, ctl, and data packets */
1280 struct traffic_stats tx_stats;
1281 struct traffic_stats rx_stats;
1283 /* counts interrupts */
1284 struct isr_stats isr_stats;
1286 struct il_power_mgr power_data;
1288 /* context information */
1289 u8 bssid[ETH_ALEN]; /* used only on 3945 but filled by core */
1291 /* station table variables */
1293 /* Note: if lock and sta_lock are needed, lock must be acquired first */
1294 spinlock_t sta_lock;
1296 struct il_station_entry stations[IL_STATION_COUNT];
1297 unsigned long ucode_key_table;
1299 /* queue refcounts */
1300 #define IL_MAX_HW_QUEUES 32
1301 unsigned long queue_stopped[BITS_TO_LONGS(IL_MAX_HW_QUEUES)];
1302 #define IL_STOP_REASON_PASSIVE 0
1303 unsigned long stop_reason;
1305 atomic_t queue_stop_count[4];
1307 /* Indication if ieee80211_ops->open has been called */
1310 u8 mac80211_registered;
1312 /* eeprom -- this is in the card's little endian byte order */
1314 struct il_eeprom_calib_info *calib_info;
1316 enum nl80211_iftype iw_mode;
1318 /* Last Rx'd beacon timestamp */
1322 #if defined(CONFIG_IWL3945) || defined(CONFIG_IWL3945_MODULE)
1325 dma_addr_t shared_phys;
1327 struct delayed_work thermal_periodic;
1328 struct delayed_work rfkill_poll;
1330 struct il3945_notif_stats stats;
1331 #ifdef CONFIG_IWLEGACY_DEBUGFS
1332 struct il3945_notif_stats accum_stats;
1333 struct il3945_notif_stats delta_stats;
1334 struct il3945_notif_stats max_delta;
1338 int last_rx_rssi; /* From Rx packet stats */
1340 /* Rx'd packet timing information */
1341 u32 last_beacon_time;
1345 * each calibration channel group in the
1346 * EEPROM has a derived clip setting for
1349 const struct il3945_clip_group clip_groups[5];
1353 #if defined(CONFIG_IWL4965) || defined(CONFIG_IWL4965_MODULE)
1355 struct il_rx_phy_res last_phy_res;
1356 bool last_phy_res_valid;
1359 struct completion firmware_loading_complete;
1362 * chain noise reset and gain commands are the
1363 * two extra calibration commands follows the standard
1364 * phy calibration commands
1366 u8 phy_calib_chain_noise_reset_cmd;
1367 u8 phy_calib_chain_noise_gain_cmd;
1369 u8 key_mapping_keys;
1370 struct il_wep_key wep_keys[WEP_KEYS_MAX];
1372 struct il_notif_stats stats;
1373 #ifdef CONFIG_IWLEGACY_DEBUGFS
1374 struct il_notif_stats accum_stats;
1375 struct il_notif_stats delta_stats;
1376 struct il_notif_stats max_delta;
1383 struct il_hw_params hw_params;
1387 struct workqueue_struct *workqueue;
1389 struct work_struct restart;
1390 struct work_struct scan_completed;
1391 struct work_struct rx_replenish;
1392 struct work_struct abort_scan;
1394 bool beacon_enabled;
1395 struct sk_buff *beacon_skb;
1397 struct work_struct tx_flush;
1399 struct tasklet_struct irq_tasklet;
1401 struct delayed_work init_alive_start;
1402 struct delayed_work alive_start;
1403 struct delayed_work scan_check;
1406 s8 tx_power_user_lmt;
1407 s8 tx_power_device_lmt;
1410 #ifdef CONFIG_IWLEGACY_DEBUG
1411 /* debugging info */
1412 u32 debug_level; /* per device debugging will override global
1413 il_debug_level if set */
1414 #endif /* CONFIG_IWLEGACY_DEBUG */
1415 #ifdef CONFIG_IWLEGACY_DEBUGFS
1421 struct dentry *debugfs_dir;
1422 u32 dbgfs_sram_offset, dbgfs_sram_len;
1424 #endif /* CONFIG_IWLEGACY_DEBUGFS */
1426 struct work_struct txpower_work;
1427 u32 disable_sens_cal;
1428 u32 disable_chain_noise_cal;
1429 u32 disable_tx_power_cal;
1430 struct work_struct run_time_calib_work;
1431 struct timer_list stats_periodic;
1432 struct timer_list watchdog;
1435 struct led_classdev led;
1436 unsigned long blink_on, blink_off;
1437 bool led_registered;
1441 il_txq_ctx_activate(struct il_priv *il, int txq_id)
1443 set_bit(txq_id, &il->txq_ctx_active_msk);
1447 il_txq_ctx_deactivate(struct il_priv *il, int txq_id)
1449 clear_bit(txq_id, &il->txq_ctx_active_msk);
1453 il_is_associated(struct il_priv *il)
1455 return (il->active.filter_flags & RXON_FILTER_ASSOC_MSK) ? 1 : 0;
1459 il_is_any_associated(struct il_priv *il)
1461 return il_is_associated(il);
1465 il_is_channel_valid(const struct il_channel_info *ch_info)
1467 if (ch_info == NULL)
1469 return (ch_info->flags & EEPROM_CHANNEL_VALID) ? 1 : 0;
1473 il_is_channel_radar(const struct il_channel_info *ch_info)
1475 return (ch_info->flags & EEPROM_CHANNEL_RADAR) ? 1 : 0;
1479 il_is_channel_a_band(const struct il_channel_info *ch_info)
1481 return ch_info->band == IEEE80211_BAND_5GHZ;
1485 il_is_channel_passive(const struct il_channel_info *ch)
1487 return (!(ch->flags & EEPROM_CHANNEL_ACTIVE)) ? 1 : 0;
1491 il_is_channel_ibss(const struct il_channel_info *ch)
1493 return (ch->flags & EEPROM_CHANNEL_IBSS) ? 1 : 0;
1497 __il_free_pages(struct il_priv *il, struct page *page)
1499 __free_pages(page, il->hw_params.rx_page_order);
1500 il->alloc_rxb_page--;
1504 il_free_pages(struct il_priv *il, unsigned long page)
1506 free_pages(page, il->hw_params.rx_page_order);
1507 il->alloc_rxb_page--;
1510 #define IWLWIFI_VERSION "in-tree:"
1511 #define DRV_COPYRIGHT "Copyright(c) 2003-2011 Intel Corporation"
1512 #define DRV_AUTHOR "<ilw@linux.intel.com>"
1514 #define IL_PCI_DEVICE(dev, subdev, cfg) \
1515 .vendor = PCI_VENDOR_ID_INTEL, .device = (dev), \
1516 .subvendor = PCI_ANY_ID, .subdevice = (subdev), \
1517 .driver_data = (kernel_ulong_t)&(cfg)
1519 #define TIME_UNIT 1024
1521 #define IL_SKU_G 0x1
1522 #define IL_SKU_A 0x2
1523 #define IL_SKU_N 0x8
1525 #define IL_CMD(x) case x: return #x
1527 /* Size of one Rx buffer in host DRAM */
1528 #define IL_RX_BUF_SIZE_3K (3 * 1000) /* 3945 only */
1529 #define IL_RX_BUF_SIZE_4K (4 * 1024)
1530 #define IL_RX_BUF_SIZE_8K (8 * 1024)
1532 #ifdef CONFIG_IWLEGACY_DEBUGFS
1533 struct il_debugfs_ops {
1534 ssize_t(*rx_stats_read) (struct file *file, char __user *user_buf,
1535 size_t count, loff_t *ppos);
1536 ssize_t(*tx_stats_read) (struct file *file, char __user *user_buf,
1537 size_t count, loff_t *ppos);
1538 ssize_t(*general_stats_read) (struct file *file,
1539 char __user *user_buf, size_t count,
1546 void (*txq_update_byte_cnt_tbl) (struct il_priv *il,
1547 struct il_tx_queue *txq,
1549 int (*txq_attach_buf_to_tfd) (struct il_priv *il,
1550 struct il_tx_queue *txq, dma_addr_t addr,
1551 u16 len, u8 reset, u8 pad);
1552 void (*txq_free_tfd) (struct il_priv *il, struct il_tx_queue *txq);
1553 int (*txq_init) (struct il_priv *il, struct il_tx_queue *txq);
1554 /* alive notification after init uCode load */
1555 void (*init_alive_start) (struct il_priv *il);
1556 /* check validity of rtc data address */
1557 int (*is_valid_rtc_data_addr) (u32 addr);
1558 /* 1st ucode load */
1559 int (*load_ucode) (struct il_priv *il);
1561 void (*dump_nic_error_log) (struct il_priv *il);
1562 int (*dump_fh) (struct il_priv *il, char **buf, bool display);
1563 int (*set_channel_switch) (struct il_priv *il,
1564 struct ieee80211_channel_switch *ch_switch);
1565 /* power management */
1566 int (*apm_init) (struct il_priv *il);
1569 int (*send_tx_power) (struct il_priv *il);
1570 void (*update_chain_flags) (struct il_priv *il);
1572 /* eeprom operations */
1573 int (*eeprom_acquire_semaphore) (struct il_priv *il);
1574 void (*eeprom_release_semaphore) (struct il_priv *il);
1576 int (*rxon_assoc) (struct il_priv *il);
1577 int (*commit_rxon) (struct il_priv *il);
1578 void (*set_rxon_chain) (struct il_priv *il);
1580 u16(*get_hcmd_size) (u8 cmd_id, u16 len);
1581 u16(*build_addsta_hcmd) (const struct il_addsta_cmd *cmd, u8 *data);
1583 int (*request_scan) (struct il_priv *il, struct ieee80211_vif *vif);
1584 void (*post_scan) (struct il_priv *il);
1585 void (*post_associate) (struct il_priv *il);
1586 void (*config_ap) (struct il_priv *il);
1587 /* station management */
1588 int (*update_bcast_stations) (struct il_priv *il);
1589 int (*manage_ibss_station) (struct il_priv *il,
1590 struct ieee80211_vif *vif, bool add);
1592 int (*send_led_cmd) (struct il_priv *il, struct il_led_cmd *led_cmd);
1595 struct il_mod_params {
1596 int sw_crypto; /* def: 0 = using hardware encryption */
1597 int disable_hw_scan; /* def: 0 = use h/w scan */
1598 int num_of_queues; /* def: HW dependent */
1599 int disable_11n; /* def: 0 = 11n capabilities enabled */
1600 int amsdu_size_8K; /* def: 1 = enable 8K amsdu size */
1601 int antenna; /* def: 0 = both antennas (use diversity) */
1602 int restart_fw; /* def: 1 = restart firmware */
1605 #define IL_LED_SOLID 11
1606 #define IL_DEF_LED_INTRVL cpu_to_le32(1000)
1608 #define IL_LED_ACTIVITY (0<<1)
1609 #define IL_LED_LINK (1<<1)
1613 * IL_LED_DEFAULT: use device default
1614 * IL_LED_RF_STATE: turn LED on/off based on RF state
1617 * IL_LED_BLINK: adjust led blink rate based on blink table
1625 void il_leds_init(struct il_priv *il);
1626 void il_leds_exit(struct il_priv *il);
1630 * @fw_name_pre: Firmware filename prefix. The api version and extension
1631 * (.ucode) will be added to filename before loading from disk. The
1632 * filename is constructed as fw_name_pre<api>.ucode.
1633 * @ucode_api_max: Highest version of uCode API supported by driver.
1634 * @ucode_api_min: Lowest version of uCode API supported by driver.
1635 * @scan_antennas: available antenna for scan operation
1636 * @led_mode: 0=blinking, 1=On(RF On)/Off(RF Off)
1638 * We enable the driver to be backward compatible wrt API version. The
1639 * driver specifies which APIs it supports (with @ucode_api_max being the
1640 * highest and @ucode_api_min the lowest). Firmware will only be loaded if
1641 * it has a supported API version. The firmware's API version will be
1642 * stored in @il_priv, enabling the driver to make runtime changes based
1643 * on firmware version used.
1646 * if (IL_UCODE_API(il->ucode_ver) >= 2) {
1647 * Driver interacts with Firmware API version >= 2.
1649 * Driver interacts with Firmware API version 1.
1652 * The ideal usage of this infrastructure is to treat a new ucode API
1653 * release as a new hardware revision. That is, through utilizing the
1654 * il_hcmd_utils_ops etc. we accommodate different command structures
1655 * and flows between hardware versions as well as their API
1660 /* params specific to an individual device within a device family */
1662 const char *fw_name_pre;
1663 const unsigned int ucode_api_max;
1664 const unsigned int ucode_api_min;
1669 u16 eeprom_calib_ver;
1670 /* module based parameters which can be set from modprobe cmd */
1671 const struct il_mod_params *mod_params;
1672 /* params not likely to change within a device family */
1673 struct il_base_params *base_params;
1674 /* params likely to change within a device family */
1675 u8 scan_rx_antennas[IEEE80211_NUM_BANDS];
1676 enum il_led_mode led_mode;
1679 int num_of_queues; /* def: HW dependent */
1680 int num_of_ampdu_queues; /* def: HW dependent */
1681 /* for il_apm_init() */
1686 u16 led_compensation;
1687 int chain_noise_num_beacons;
1688 unsigned int wd_timeout;
1689 bool temperature_kelvin;
1690 const bool ucode_tracing;
1691 const bool sensitivity_calib_by_driver;
1692 const bool chain_noise_calib_by_driver;
1694 const u32 regulatory_bands[7];
1697 /***************************
1699 ***************************/
1701 int il_mac_conf_tx(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
1702 u16 queue, const struct ieee80211_tx_queue_params *params);
1703 int il_mac_tx_last_beacon(struct ieee80211_hw *hw);
1705 void il_set_rxon_hwcrypto(struct il_priv *il, int hw_decrypt);
1706 int il_check_rxon_cmd(struct il_priv *il);
1707 int il_full_rxon_required(struct il_priv *il);
1708 int il_set_rxon_channel(struct il_priv *il, struct ieee80211_channel *ch);
1709 void il_set_flags_for_band(struct il_priv *il, enum ieee80211_band band,
1710 struct ieee80211_vif *vif);
1711 u8 il_get_single_channel_number(struct il_priv *il, enum ieee80211_band band);
1712 void il_set_rxon_ht(struct il_priv *il, struct il_ht_config *ht_conf);
1713 bool il_is_ht40_tx_allowed(struct il_priv *il,
1714 struct ieee80211_sta_ht_cap *ht_cap);
1715 void il_connection_init_rx_config(struct il_priv *il);
1716 void il_set_rate(struct il_priv *il);
1717 int il_set_decrypted_flag(struct il_priv *il, struct ieee80211_hdr *hdr,
1718 u32 decrypt_res, struct ieee80211_rx_status *stats);
1719 void il_irq_handle_error(struct il_priv *il);
1720 int il_mac_add_interface(struct ieee80211_hw *hw, struct ieee80211_vif *vif);
1721 void il_mac_remove_interface(struct ieee80211_hw *hw,
1722 struct ieee80211_vif *vif);
1723 int il_mac_change_interface(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
1724 enum nl80211_iftype newtype, bool newp2p);
1725 void il_mac_flush(struct ieee80211_hw *hw, u32 queues, bool drop);
1726 int il_alloc_txq_mem(struct il_priv *il);
1727 void il_free_txq_mem(struct il_priv *il);
1729 #ifdef CONFIG_IWLEGACY_DEBUGFS
1730 void il_update_stats(struct il_priv *il, bool is_tx, __le16 fc, u16 len);
1733 il_update_stats(struct il_priv *il, bool is_tx, __le16 fc, u16 len)
1738 /*****************************************************
1740 ***************************************************/
1741 void il_hdl_pm_sleep(struct il_priv *il, struct il_rx_buf *rxb);
1742 void il_hdl_pm_debug_stats(struct il_priv *il, struct il_rx_buf *rxb);
1743 void il_hdl_error(struct il_priv *il, struct il_rx_buf *rxb);
1744 void il_hdl_csa(struct il_priv *il, struct il_rx_buf *rxb);
1746 /*****************************************************
1748 ******************************************************/
1749 void il_cmd_queue_unmap(struct il_priv *il);
1750 void il_cmd_queue_free(struct il_priv *il);
1751 int il_rx_queue_alloc(struct il_priv *il);
1752 void il_rx_queue_update_write_ptr(struct il_priv *il, struct il_rx_queue *q);
1753 int il_rx_queue_space(const struct il_rx_queue *q);
1754 void il_tx_cmd_complete(struct il_priv *il, struct il_rx_buf *rxb);
1756 void il_hdl_spectrum_measurement(struct il_priv *il, struct il_rx_buf *rxb);
1757 void il_recover_from_stats(struct il_priv *il, struct il_rx_pkt *pkt);
1758 void il_chswitch_done(struct il_priv *il, bool is_success);
1760 /*****************************************************
1762 ******************************************************/
1763 void il_txq_update_write_ptr(struct il_priv *il, struct il_tx_queue *txq);
1764 int il_tx_queue_init(struct il_priv *il, u32 txq_id);
1765 void il_tx_queue_reset(struct il_priv *il, u32 txq_id);
1766 void il_tx_queue_unmap(struct il_priv *il, int txq_id);
1767 void il_tx_queue_free(struct il_priv *il, int txq_id);
1768 void il_setup_watchdog(struct il_priv *il);
1769 /*****************************************************
1771 ****************************************************/
1772 int il_set_tx_power(struct il_priv *il, s8 tx_power, bool force);
1774 /*******************************************************************************
1776 ******************************************************************************/
1778 u8 il_get_lowest_plcp(struct il_priv *il);
1780 /*******************************************************************************
1782 ******************************************************************************/
1783 void il_init_scan_params(struct il_priv *il);
1784 int il_scan_cancel(struct il_priv *il);
1785 int il_scan_cancel_timeout(struct il_priv *il, unsigned long ms);
1786 void il_force_scan_end(struct il_priv *il);
1787 int il_mac_hw_scan(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
1788 struct cfg80211_scan_request *req);
1789 void il_internal_short_hw_scan(struct il_priv *il);
1790 int il_force_reset(struct il_priv *il, bool external);
1791 u16 il_fill_probe_req(struct il_priv *il, struct ieee80211_mgmt *frame,
1792 const u8 *ta, const u8 *ie, int ie_len, int left);
1793 void il_setup_rx_scan_handlers(struct il_priv *il);
1794 u16 il_get_active_dwell_time(struct il_priv *il, enum ieee80211_band band,
1796 u16 il_get_passive_dwell_time(struct il_priv *il, enum ieee80211_band band,
1797 struct ieee80211_vif *vif);
1798 void il_setup_scan_deferred_work(struct il_priv *il);
1799 void il_cancel_scan_deferred_work(struct il_priv *il);
1801 /* For faster active scanning, scan will move to the next channel if fewer than
1802 * PLCP_QUIET_THRESH packets are heard on this channel within
1803 * ACTIVE_QUIET_TIME after sending probe request. This shortens the dwell
1804 * time if it's a quiet channel (nothing responded to our probe, and there's
1805 * no other traffic).
1806 * Disable "quiet" feature by setting PLCP_QUIET_THRESH to 0. */
1807 #define IL_ACTIVE_QUIET_TIME cpu_to_le16(10) /* msec */
1808 #define IL_PLCP_QUIET_THRESH cpu_to_le16(1) /* packets */
1810 #define IL_SCAN_CHECK_WATCHDOG (HZ * 7)
1812 /*****************************************************
1813 * S e n d i n g H o s t C o m m a n d s *
1814 *****************************************************/
1816 const char *il_get_cmd_string(u8 cmd);
1817 int __must_check il_send_cmd_sync(struct il_priv *il, struct il_host_cmd *cmd);
1818 int il_send_cmd(struct il_priv *il, struct il_host_cmd *cmd);
1819 int __must_check il_send_cmd_pdu(struct il_priv *il, u8 id, u16 len,
1821 int il_send_cmd_pdu_async(struct il_priv *il, u8 id, u16 len, const void *data,
1822 void (*callback) (struct il_priv *il,
1823 struct il_device_cmd *cmd,
1824 struct il_rx_pkt *pkt));
1826 int il_enqueue_hcmd(struct il_priv *il, struct il_host_cmd *cmd);
1828 /*****************************************************
1830 *****************************************************/
1832 void il_bg_watchdog(unsigned long data);
1833 u32 il_usecs_to_beacons(struct il_priv *il, u32 usec, u32 beacon_interval);
1834 __le32 il_add_beacon_time(struct il_priv *il, u32 base, u32 addon,
1835 u32 beacon_interval);
1837 #ifdef CONFIG_PM_SLEEP
1838 extern const struct dev_pm_ops il_pm_ops;
1840 #define IL_LEGACY_PM_OPS (&il_pm_ops)
1842 #else /* !CONFIG_PM_SLEEP */
1844 #define IL_LEGACY_PM_OPS NULL
1846 #endif /* !CONFIG_PM_SLEEP */
1848 /*****************************************************
1849 * Error Handling Debugging
1850 ******************************************************/
1851 void il4965_dump_nic_error_log(struct il_priv *il);
1852 #ifdef CONFIG_IWLEGACY_DEBUG
1853 void il_print_rx_config_cmd(struct il_priv *il);
1856 il_print_rx_config_cmd(struct il_priv *il)
1861 void il_clear_isr_stats(struct il_priv *il);
1863 /*****************************************************
1865 ******************************************************/
1866 int il_init_geos(struct il_priv *il);
1867 void il_free_geos(struct il_priv *il);
1869 /*************** DRIVER STATUS FUNCTIONS *****/
1871 #define S_HCMD_ACTIVE 0 /* host command in progress */
1872 /* 1 is unused (used to be S_HCMD_SYNC_ACTIVE) */
1873 #define S_INT_ENABLED 2
1879 #define S_TEMPERATURE 8
1880 #define S_GEO_CONFIGURED 9
1881 #define S_EXIT_PENDING 10
1883 #define S_SCANNING 13
1884 #define S_SCAN_ABORTING 14
1885 #define S_SCAN_HW 15
1886 #define S_POWER_PMI 16
1887 #define S_FW_ERROR 17
1888 #define S_CHANNEL_SWITCH_PENDING 18
1891 il_is_ready(struct il_priv *il)
1893 /* The adapter is 'ready' if READY and GEO_CONFIGURED bits are
1894 * set but EXIT_PENDING is not */
1895 return test_bit(S_READY, &il->status) &&
1896 test_bit(S_GEO_CONFIGURED, &il->status) &&
1897 !test_bit(S_EXIT_PENDING, &il->status);
1901 il_is_alive(struct il_priv *il)
1903 return test_bit(S_ALIVE, &il->status);
1907 il_is_init(struct il_priv *il)
1909 return test_bit(S_INIT, &il->status);
1913 il_is_rfkill(struct il_priv *il)
1915 return test_bit(S_RFKILL, &il->status);
1919 il_is_ctkill(struct il_priv *il)
1921 return test_bit(S_CT_KILL, &il->status);
1925 il_is_ready_rf(struct il_priv *il)
1928 if (il_is_rfkill(il))
1931 return il_is_ready(il);
1934 void il_send_bt_config(struct il_priv *il);
1935 int il_send_stats_request(struct il_priv *il, u8 flags, bool clear);
1936 void il_apm_stop(struct il_priv *il);
1937 void _il_apm_stop(struct il_priv *il);
1939 int il_apm_init(struct il_priv *il);
1941 int il_send_rxon_timing(struct il_priv *il);
1944 il_send_rxon_assoc(struct il_priv *il)
1946 return il->ops->rxon_assoc(il);
1950 il_commit_rxon(struct il_priv *il)
1952 return il->ops->commit_rxon(il);
1955 static inline const struct ieee80211_supported_band *
1956 il_get_hw_mode(struct il_priv *il, enum ieee80211_band band)
1958 return il->hw->wiphy->bands[band];
1961 /* mac80211 handlers */
1962 int il_mac_config(struct ieee80211_hw *hw, u32 changed);
1963 void il_mac_reset_tsf(struct ieee80211_hw *hw, struct ieee80211_vif *vif);
1964 void il_mac_bss_info_changed(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
1965 struct ieee80211_bss_conf *bss_conf, u32 changes);
1966 void il_tx_cmd_protection(struct il_priv *il, struct ieee80211_tx_info *info,
1967 __le16 fc, __le32 *tx_flags);
1969 irqreturn_t il_isr(int irq, void *data);
1971 void il_set_bit(struct il_priv *p, u32 r, u32 m);
1972 void il_clear_bit(struct il_priv *p, u32 r, u32 m);
1973 bool _il_grab_nic_access(struct il_priv *il);
1974 int _il_poll_bit(struct il_priv *il, u32 addr, u32 bits, u32 mask, int timeout);
1975 int il_poll_bit(struct il_priv *il, u32 addr, u32 mask, int timeout);
1976 u32 il_rd_prph(struct il_priv *il, u32 reg);
1977 void il_wr_prph(struct il_priv *il, u32 addr, u32 val);
1978 u32 il_read_targ_mem(struct il_priv *il, u32 addr);
1979 void il_write_targ_mem(struct il_priv *il, u32 addr, u32 val);
1981 static inline bool il_need_reclaim(struct il_priv *il, struct il_rx_pkt *pkt)
1983 /* Reclaim a command buffer only if this packet is a response
1984 * to a (driver-originated) command. If the packet (e.g. Rx frame)
1985 * originated from uCode, there is no command buffer to reclaim.
1986 * Ucode should set SEQ_RX_FRAME bit if ucode-originated, but
1987 * apparently a few don't get set; catch them here.
1989 return !(pkt->hdr.sequence & SEQ_RX_FRAME) &&
1990 pkt->hdr.cmd != N_STATS && pkt->hdr.cmd != C_TX &&
1991 pkt->hdr.cmd != N_RX_PHY && pkt->hdr.cmd != N_RX &&
1992 pkt->hdr.cmd != N_RX_MPDU && pkt->hdr.cmd != N_COMPRESSED_BA;
1996 _il_write8(struct il_priv *il, u32 ofs, u8 val)
1998 writeb(val, il->hw_base + ofs);
2000 #define il_write8(il, ofs, val) _il_write8(il, ofs, val)
2003 _il_wr(struct il_priv *il, u32 ofs, u32 val)
2005 writel(val, il->hw_base + ofs);
2009 _il_rd(struct il_priv *il, u32 ofs)
2011 return readl(il->hw_base + ofs);
2015 _il_clear_bit(struct il_priv *il, u32 reg, u32 mask)
2017 _il_wr(il, reg, _il_rd(il, reg) & ~mask);
2021 _il_set_bit(struct il_priv *il, u32 reg, u32 mask)
2023 _il_wr(il, reg, _il_rd(il, reg) | mask);
2027 _il_release_nic_access(struct il_priv *il)
2029 _il_clear_bit(il, CSR_GP_CNTRL, CSR_GP_CNTRL_REG_FLAG_MAC_ACCESS_REQ);
2031 * In above we are reading CSR_GP_CNTRL register, what will flush any
2032 * previous writes, but still want write, which clear MAC_ACCESS_REQ
2033 * bit, be performed on PCI bus before any other writes scheduled on
2034 * different CPUs (after we drop reg_lock).
2040 il_rd(struct il_priv *il, u32 reg)
2043 unsigned long reg_flags;
2045 spin_lock_irqsave(&il->reg_lock, reg_flags);
2046 _il_grab_nic_access(il);
2047 value = _il_rd(il, reg);
2048 _il_release_nic_access(il);
2049 spin_unlock_irqrestore(&il->reg_lock, reg_flags);
2054 il_wr(struct il_priv *il, u32 reg, u32 value)
2056 unsigned long reg_flags;
2058 spin_lock_irqsave(&il->reg_lock, reg_flags);
2059 if (likely(_il_grab_nic_access(il))) {
2060 _il_wr(il, reg, value);
2061 _il_release_nic_access(il);
2063 spin_unlock_irqrestore(&il->reg_lock, reg_flags);
2067 _il_rd_prph(struct il_priv *il, u32 reg)
2069 _il_wr(il, HBUS_TARG_PRPH_RADDR, reg | (3 << 24));
2070 return _il_rd(il, HBUS_TARG_PRPH_RDAT);
2074 _il_wr_prph(struct il_priv *il, u32 addr, u32 val)
2076 _il_wr(il, HBUS_TARG_PRPH_WADDR, ((addr & 0x0000FFFF) | (3 << 24)));
2077 _il_wr(il, HBUS_TARG_PRPH_WDAT, val);
2081 il_set_bits_prph(struct il_priv *il, u32 reg, u32 mask)
2083 unsigned long reg_flags;
2085 spin_lock_irqsave(&il->reg_lock, reg_flags);
2086 if (likely(_il_grab_nic_access(il))) {
2087 _il_wr_prph(il, reg, (_il_rd_prph(il, reg) | mask));
2088 _il_release_nic_access(il);
2090 spin_unlock_irqrestore(&il->reg_lock, reg_flags);
2094 il_set_bits_mask_prph(struct il_priv *il, u32 reg, u32 bits, u32 mask)
2096 unsigned long reg_flags;
2098 spin_lock_irqsave(&il->reg_lock, reg_flags);
2099 if (likely(_il_grab_nic_access(il))) {
2100 _il_wr_prph(il, reg, ((_il_rd_prph(il, reg) & mask) | bits));
2101 _il_release_nic_access(il);
2103 spin_unlock_irqrestore(&il->reg_lock, reg_flags);
2107 il_clear_bits_prph(struct il_priv *il, u32 reg, u32 mask)
2109 unsigned long reg_flags;
2112 spin_lock_irqsave(&il->reg_lock, reg_flags);
2113 if (likely(_il_grab_nic_access(il))) {
2114 val = _il_rd_prph(il, reg);
2115 _il_wr_prph(il, reg, (val & ~mask));
2116 _il_release_nic_access(il);
2118 spin_unlock_irqrestore(&il->reg_lock, reg_flags);
2121 #define HW_KEY_DYNAMIC 0
2122 #define HW_KEY_DEFAULT 1
2124 #define IL_STA_DRIVER_ACTIVE BIT(0) /* driver entry is active */
2125 #define IL_STA_UCODE_ACTIVE BIT(1) /* ucode entry is active */
2126 #define IL_STA_UCODE_INPROGRESS BIT(2) /* ucode entry is in process of
2128 #define IL_STA_LOCAL BIT(3) /* station state not directed by mac80211;
2129 (this is for the IBSS BSSID stations) */
2130 #define IL_STA_BCAST BIT(4) /* this station is the special bcast station */
2132 void il_restore_stations(struct il_priv *il);
2133 void il_clear_ucode_stations(struct il_priv *il);
2134 void il_dealloc_bcast_stations(struct il_priv *il);
2135 int il_get_free_ucode_key_idx(struct il_priv *il);
2136 int il_send_add_sta(struct il_priv *il, struct il_addsta_cmd *sta, u8 flags);
2137 int il_add_station_common(struct il_priv *il, const u8 *addr, bool is_ap,
2138 struct ieee80211_sta *sta, u8 *sta_id_r);
2139 int il_remove_station(struct il_priv *il, const u8 sta_id, const u8 * addr);
2140 int il_mac_sta_remove(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
2141 struct ieee80211_sta *sta);
2143 u8 il_prep_station(struct il_priv *il, const u8 *addr, bool is_ap,
2144 struct ieee80211_sta *sta);
2146 int il_send_lq_cmd(struct il_priv *il, struct il_link_quality_cmd *lq,
2147 u8 flags, bool init);
2150 * il_clear_driver_stations - clear knowledge of all stations from driver
2151 * @il: iwl il struct
2153 * This is called during il_down() to make sure that in the case
2154 * we're coming there from a hardware restart mac80211 will be
2155 * able to reconfigure stations -- if we're getting there in the
2156 * normal down flow then the stations will already be cleared.
2159 il_clear_driver_stations(struct il_priv *il)
2161 unsigned long flags;
2163 spin_lock_irqsave(&il->sta_lock, flags);
2164 memset(il->stations, 0, sizeof(il->stations));
2165 il->num_stations = 0;
2166 il->ucode_key_table = 0;
2167 spin_unlock_irqrestore(&il->sta_lock, flags);
2171 il_sta_id(struct ieee80211_sta *sta)
2174 return IL_INVALID_STATION;
2176 return ((struct il_station_priv_common *)sta->drv_priv)->sta_id;
2180 * il_sta_id_or_broadcast - return sta_id or broadcast sta
2182 * @context: the current context
2183 * @sta: mac80211 station
2185 * In certain circumstances mac80211 passes a station pointer
2186 * that may be %NULL, for example during TX or key setup. In
2187 * that case, we need to use the broadcast station, so this
2188 * inline wraps that pattern.
2191 il_sta_id_or_broadcast(struct il_priv *il, struct ieee80211_sta *sta)
2196 return il->hw_params.bcast_id;
2198 sta_id = il_sta_id(sta);
2201 * mac80211 should not be passing a partially
2202 * initialised station!
2204 WARN_ON(sta_id == IL_INVALID_STATION);
2210 * il_queue_inc_wrap - increment queue idx, wrap back to beginning
2211 * @idx -- current idx
2212 * @n_bd -- total number of entries in queue (must be power of 2)
2215 il_queue_inc_wrap(int idx, int n_bd)
2217 return ++idx & (n_bd - 1);
2221 * il_queue_dec_wrap - decrement queue idx, wrap back to end
2222 * @idx -- current idx
2223 * @n_bd -- total number of entries in queue (must be power of 2)
2226 il_queue_dec_wrap(int idx, int n_bd)
2228 return --idx & (n_bd - 1);
2231 /* TODO: Move fw_desc functions to iwl-pci.ko */
2233 il_free_fw_desc(struct pci_dev *pci_dev, struct fw_desc *desc)
2236 dma_free_coherent(&pci_dev->dev, desc->len, desc->v_addr,
2238 desc->v_addr = NULL;
2243 il_alloc_fw_desc(struct pci_dev *pci_dev, struct fw_desc *desc)
2246 desc->v_addr = NULL;
2250 desc->v_addr = dma_alloc_coherent(&pci_dev->dev, desc->len,
2251 &desc->p_addr, GFP_KERNEL);
2252 return (desc->v_addr != NULL) ? 0 : -ENOMEM;
2256 * we have 8 bits used like this:
2260 * | | | | | | +-+-------- AC queue (0-3)
2262 * | +-+-+-+-+------------ HW queue ID
2264 * +---------------------- unused
2267 il_set_swq_id(struct il_tx_queue *txq, u8 ac, u8 hwq)
2269 BUG_ON(ac > 3); /* only have 2 bits */
2270 BUG_ON(hwq > 31); /* only use 5 bits */
2272 txq->swq_id = (hwq << 2) | ac;
2276 _il_wake_queue(struct il_priv *il, u8 ac)
2278 if (atomic_dec_return(&il->queue_stop_count[ac]) <= 0)
2279 ieee80211_wake_queue(il->hw, ac);
2283 _il_stop_queue(struct il_priv *il, u8 ac)
2285 if (atomic_inc_return(&il->queue_stop_count[ac]) > 0)
2286 ieee80211_stop_queue(il->hw, ac);
2289 il_wake_queue(struct il_priv *il, struct il_tx_queue *txq)
2291 u8 queue = txq->swq_id;
2293 u8 hwq = (queue >> 2) & 0x1f;
2295 if (test_and_clear_bit(hwq, il->queue_stopped))
2296 _il_wake_queue(il, ac);
2300 il_stop_queue(struct il_priv *il, struct il_tx_queue *txq)
2302 u8 queue = txq->swq_id;
2304 u8 hwq = (queue >> 2) & 0x1f;
2306 if (!test_and_set_bit(hwq, il->queue_stopped))
2307 _il_stop_queue(il, ac);
2311 il_wake_queues_by_reason(struct il_priv *il, int reason)
2315 if (test_and_clear_bit(reason, &il->stop_reason))
2316 for (ac = 0; ac < 4; ac++)
2317 _il_wake_queue(il, ac);
2321 il_stop_queues_by_reason(struct il_priv *il, int reason)
2325 if (!test_and_set_bit(reason, &il->stop_reason))
2326 for (ac = 0; ac < 4; ac++)
2327 _il_stop_queue(il, ac);
2330 #ifdef ieee80211_stop_queue
2331 #undef ieee80211_stop_queue
2334 #define ieee80211_stop_queue DO_NOT_USE_ieee80211_stop_queue
2336 #ifdef ieee80211_wake_queue
2337 #undef ieee80211_wake_queue
2340 #define ieee80211_wake_queue DO_NOT_USE_ieee80211_wake_queue
2343 il_disable_interrupts(struct il_priv *il)
2345 clear_bit(S_INT_ENABLED, &il->status);
2347 /* disable interrupts from uCode/NIC to host */
2348 _il_wr(il, CSR_INT_MASK, 0x00000000);
2350 /* acknowledge/clear/reset any interrupts still pending
2351 * from uCode or flow handler (Rx/Tx DMA) */
2352 _il_wr(il, CSR_INT, 0xffffffff);
2353 _il_wr(il, CSR_FH_INT_STATUS, 0xffffffff);
2357 il_enable_rfkill_int(struct il_priv *il)
2359 _il_wr(il, CSR_INT_MASK, CSR_INT_BIT_RF_KILL);
2363 il_enable_interrupts(struct il_priv *il)
2365 set_bit(S_INT_ENABLED, &il->status);
2366 _il_wr(il, CSR_INT_MASK, il->inta_mask);
2370 * il_beacon_time_mask_low - mask of lower 32 bit of beacon time
2371 * @il -- pointer to il_priv data structure
2372 * @tsf_bits -- number of bits need to shift for masking)
2375 il_beacon_time_mask_low(struct il_priv *il, u16 tsf_bits)
2377 return (1 << tsf_bits) - 1;
2381 * il_beacon_time_mask_high - mask of higher 32 bit of beacon time
2382 * @il -- pointer to il_priv data structure
2383 * @tsf_bits -- number of bits need to shift for masking)
2386 il_beacon_time_mask_high(struct il_priv *il, u16 tsf_bits)
2388 return ((1 << (32 - tsf_bits)) - 1) << tsf_bits;
2392 * struct il_rb_status - reseve buffer status host memory mapped FH registers
2394 * @closed_rb_num [0:11] - Indicates the idx of the RB which was closed
2395 * @closed_fr_num [0:11] - Indicates the idx of the RX Frame which was closed
2396 * @finished_rb_num [0:11] - Indicates the idx of the current RB
2397 * in which the last frame was written to
2398 * @finished_fr_num [0:11] - Indicates the idx of the RX Frame
2399 * which was transferred
2401 struct il_rb_status {
2402 __le16 closed_rb_num;
2403 __le16 closed_fr_num;
2404 __le16 finished_rb_num;
2405 __le16 finished_fr_nam;
2406 __le32 __unused; /* 3945 only */
2409 #define TFD_QUEUE_SIZE_MAX 256
2410 #define TFD_QUEUE_SIZE_BC_DUP 64
2411 #define TFD_QUEUE_BC_SIZE (TFD_QUEUE_SIZE_MAX + TFD_QUEUE_SIZE_BC_DUP)
2412 #define IL_TX_DMA_MASK DMA_BIT_MASK(36)
2413 #define IL_NUM_OF_TBS 20
2416 il_get_dma_hi_addr(dma_addr_t addr)
2418 return (sizeof(addr) > sizeof(u32) ? (addr >> 16) >> 16 : 0) & 0xF;
2422 * struct il_tfd_tb transmit buffer descriptor within transmit frame descriptor
2424 * This structure contains dma address and length of transmission address
2426 * @lo: low [31:0] portion of the dma address of TX buffer every even is
2427 * unaligned on 16 bit boundary
2428 * @hi_n_len: 0-3 [35:32] portion of dma
2429 * 4-15 length of the tx buffer
2439 * Transmit Frame Descriptor (TFD)
2441 * @ __reserved1[3] reserved
2442 * @ num_tbs 0-4 number of active tbs
2444 * 6-7 padding (not used)
2445 * @ tbs[20] transmit frame buffer descriptors
2448 * Each Tx queue uses a circular buffer of 256 TFDs stored in host DRAM.
2449 * Both driver and device share these circular buffers, each of which must be
2450 * contiguous 256 TFDs x 128 bytes-per-TFD = 32 KBytes
2452 * Driver must indicate the physical address of the base of each
2453 * circular buffer via the FH49_MEM_CBBC_QUEUE registers.
2455 * Each TFD contains pointer/size information for up to 20 data buffers
2456 * in host DRAM. These buffers collectively contain the (one) frame described
2457 * by the TFD. Each buffer must be a single contiguous block of memory within
2458 * itself, but buffers may be scattered in host DRAM. Each buffer has max size
2459 * of (4K - 4). The concatenates all of a TFD's buffers into a single
2460 * Tx frame, up to 8 KBytes in size.
2462 * A maximum of 255 (not 256!) TFDs may be on a queue waiting for Tx.
2467 struct il_tfd_tb tbs[IL_NUM_OF_TBS];
2471 #define PCI_CFG_RETRY_TIMEOUT 0x041
2473 struct il_rate_info {
2474 u8 plcp; /* uCode API: RATE_6M_PLCP, etc. */
2475 u8 plcp_siso; /* uCode API: RATE_SISO_6M_PLCP, etc. */
2476 u8 plcp_mimo2; /* uCode API: RATE_MIMO2_6M_PLCP, etc. */
2477 u8 ieee; /* MAC header: RATE_6M_IEEE, etc. */
2478 u8 prev_ieee; /* previous rate in IEEE speeds */
2479 u8 next_ieee; /* next rate in IEEE speeds */
2480 u8 prev_rs; /* previous rate used in rs algo */
2481 u8 next_rs; /* next rate used in rs algo */
2482 u8 prev_rs_tgg; /* previous rate used in TGG rs algo */
2483 u8 next_rs_tgg; /* next rate used in TGG rs algo */
2486 struct il3945_rate_info {
2487 u8 plcp; /* uCode API: RATE_6M_PLCP, etc. */
2488 u8 ieee; /* MAC header: RATE_6M_IEEE, etc. */
2489 u8 prev_ieee; /* previous rate in IEEE speeds */
2490 u8 next_ieee; /* next rate in IEEE speeds */
2491 u8 prev_rs; /* previous rate used in rs algo */
2492 u8 next_rs; /* next rate used in rs algo */
2493 u8 prev_rs_tgg; /* previous rate used in TGG rs algo */
2494 u8 next_rs_tgg; /* next rate used in TGG rs algo */
2495 u8 table_rs_idx; /* idx in rate scale table cmd */
2496 u8 prev_table_rs; /* prev in rate table cmd */
2500 * These serve as idxes into
2501 * struct il_rate_info il_rates[RATE_COUNT];
2518 RATE_COUNT_LEGACY = RATE_COUNT - 1, /* Excluding 60M */
2519 RATE_COUNT_3945 = RATE_COUNT - 1,
2520 RATE_INVM_IDX = RATE_COUNT,
2521 RATE_INVALID = RATE_COUNT,
2525 RATE_6M_IDX_TBL = 0,
2537 RATE_INVM_IDX_TBL = RATE_INVM_IDX - 1,
2541 IL_FIRST_OFDM_RATE = RATE_6M_IDX,
2542 IL39_LAST_OFDM_RATE = RATE_54M_IDX,
2543 IL_LAST_OFDM_RATE = RATE_60M_IDX,
2544 IL_FIRST_CCK_RATE = RATE_1M_IDX,
2545 IL_LAST_CCK_RATE = RATE_11M_IDX,
2548 /* #define vs. enum to keep from defaulting to 'large integer' */
2549 #define RATE_6M_MASK (1 << RATE_6M_IDX)
2550 #define RATE_9M_MASK (1 << RATE_9M_IDX)
2551 #define RATE_12M_MASK (1 << RATE_12M_IDX)
2552 #define RATE_18M_MASK (1 << RATE_18M_IDX)
2553 #define RATE_24M_MASK (1 << RATE_24M_IDX)
2554 #define RATE_36M_MASK (1 << RATE_36M_IDX)
2555 #define RATE_48M_MASK (1 << RATE_48M_IDX)
2556 #define RATE_54M_MASK (1 << RATE_54M_IDX)
2557 #define RATE_60M_MASK (1 << RATE_60M_IDX)
2558 #define RATE_1M_MASK (1 << RATE_1M_IDX)
2559 #define RATE_2M_MASK (1 << RATE_2M_IDX)
2560 #define RATE_5M_MASK (1 << RATE_5M_IDX)
2561 #define RATE_11M_MASK (1 << RATE_11M_IDX)
2563 /* uCode API values for legacy bit rates, both OFDM and CCK */
2573 RATE_60M_PLCP = 3, /*FIXME:RS:should be removed */
2577 RATE_11M_PLCP = 110,
2578 /*FIXME:RS:add RATE_LEGACY_INVM_PLCP = 0, */
2581 /* uCode API values for OFDM high-throughput (HT) bit rates */
2583 RATE_SISO_6M_PLCP = 0,
2584 RATE_SISO_12M_PLCP = 1,
2585 RATE_SISO_18M_PLCP = 2,
2586 RATE_SISO_24M_PLCP = 3,
2587 RATE_SISO_36M_PLCP = 4,
2588 RATE_SISO_48M_PLCP = 5,
2589 RATE_SISO_54M_PLCP = 6,
2590 RATE_SISO_60M_PLCP = 7,
2591 RATE_MIMO2_6M_PLCP = 0x8,
2592 RATE_MIMO2_12M_PLCP = 0x9,
2593 RATE_MIMO2_18M_PLCP = 0xa,
2594 RATE_MIMO2_24M_PLCP = 0xb,
2595 RATE_MIMO2_36M_PLCP = 0xc,
2596 RATE_MIMO2_48M_PLCP = 0xd,
2597 RATE_MIMO2_54M_PLCP = 0xe,
2598 RATE_MIMO2_60M_PLCP = 0xf,
2599 RATE_SISO_INVM_PLCP,
2600 RATE_MIMO2_INVM_PLCP = RATE_SISO_INVM_PLCP,
2603 /* MAC header values for bit rates */
2612 RATE_54M_IEEE = 108,
2613 RATE_60M_IEEE = 120,
2620 #define IL_CCK_BASIC_RATES_MASK \
2624 #define IL_CCK_RATES_MASK \
2625 (IL_CCK_BASIC_RATES_MASK | \
2629 #define IL_OFDM_BASIC_RATES_MASK \
2634 #define IL_OFDM_RATES_MASK \
2635 (IL_OFDM_BASIC_RATES_MASK | \
2642 #define IL_BASIC_RATES_MASK \
2643 (IL_OFDM_BASIC_RATES_MASK | \
2644 IL_CCK_BASIC_RATES_MASK)
2646 #define RATES_MASK ((1 << RATE_COUNT) - 1)
2647 #define RATES_MASK_3945 ((1 << RATE_COUNT_3945) - 1)
2649 #define IL_INVALID_VALUE -1
2651 #define IL_MIN_RSSI_VAL -100
2652 #define IL_MAX_RSSI_VAL 0
2654 /* These values specify how many Tx frame attempts before
2655 * searching for a new modulation mode */
2656 #define IL_LEGACY_FAILURE_LIMIT 160
2657 #define IL_LEGACY_SUCCESS_LIMIT 480
2658 #define IL_LEGACY_TBL_COUNT 160
2660 #define IL_NONE_LEGACY_FAILURE_LIMIT 400
2661 #define IL_NONE_LEGACY_SUCCESS_LIMIT 4500
2662 #define IL_NONE_LEGACY_TBL_COUNT 1500
2664 /* Success ratio (ACKed / attempted tx frames) values (perfect is 128 * 100) */
2665 #define IL_RS_GOOD_RATIO 12800 /* 100% */
2666 #define RATE_SCALE_SWITCH 10880 /* 85% */
2667 #define RATE_HIGH_TH 10880 /* 85% */
2668 #define RATE_INCREASE_TH 6400 /* 50% */
2669 #define RATE_DECREASE_TH 1920 /* 15% */
2671 /* possible actions when in legacy mode */
2672 #define IL_LEGACY_SWITCH_ANTENNA1 0
2673 #define IL_LEGACY_SWITCH_ANTENNA2 1
2674 #define IL_LEGACY_SWITCH_SISO 2
2675 #define IL_LEGACY_SWITCH_MIMO2_AB 3
2676 #define IL_LEGACY_SWITCH_MIMO2_AC 4
2677 #define IL_LEGACY_SWITCH_MIMO2_BC 5
2679 /* possible actions when in siso mode */
2680 #define IL_SISO_SWITCH_ANTENNA1 0
2681 #define IL_SISO_SWITCH_ANTENNA2 1
2682 #define IL_SISO_SWITCH_MIMO2_AB 2
2683 #define IL_SISO_SWITCH_MIMO2_AC 3
2684 #define IL_SISO_SWITCH_MIMO2_BC 4
2685 #define IL_SISO_SWITCH_GI 5
2687 /* possible actions when in mimo mode */
2688 #define IL_MIMO2_SWITCH_ANTENNA1 0
2689 #define IL_MIMO2_SWITCH_ANTENNA2 1
2690 #define IL_MIMO2_SWITCH_SISO_A 2
2691 #define IL_MIMO2_SWITCH_SISO_B 3
2692 #define IL_MIMO2_SWITCH_SISO_C 4
2693 #define IL_MIMO2_SWITCH_GI 5
2695 #define IL_MAX_SEARCH IL_MIMO2_SWITCH_GI
2697 #define IL_ACTION_LIMIT 3 /* # possible actions */
2699 #define LQ_SIZE 2 /* 2 mode tables: "Active" and "Search" */
2701 /* load per tid defines for A-MPDU activation */
2702 #define IL_AGG_TPT_THREHOLD 0
2703 #define IL_AGG_LOAD_THRESHOLD 10
2704 #define IL_AGG_ALL_TID 0xff
2705 #define TID_QUEUE_CELL_SPACING 50 /*mS */
2706 #define TID_QUEUE_MAX_SIZE 20
2707 #define TID_ROUND_VALUE 5 /* mS */
2708 #define TID_MAX_LOAD_COUNT 8
2710 #define TID_MAX_TIME_DIFF ((TID_QUEUE_MAX_SIZE - 1) * TID_QUEUE_CELL_SPACING)
2711 #define TIME_WRAP_AROUND(x, y) (((y) > (x)) ? (y) - (x) : (0-(x)) + (y))
2713 extern const struct il_rate_info il_rates[RATE_COUNT];
2715 enum il_table_type {
2717 LQ_G, /* legacy types */
2719 LQ_SISO, /* high-throughput types */
2724 #define is_legacy(tbl) ((tbl) == LQ_G || (tbl) == LQ_A)
2725 #define is_siso(tbl) ((tbl) == LQ_SISO)
2726 #define is_mimo2(tbl) ((tbl) == LQ_MIMO2)
2727 #define is_mimo(tbl) (is_mimo2(tbl))
2728 #define is_Ht(tbl) (is_siso(tbl) || is_mimo(tbl))
2729 #define is_a_band(tbl) ((tbl) == LQ_A)
2730 #define is_g_and(tbl) ((tbl) == LQ_G)
2732 #define ANT_NONE 0x0
2733 #define ANT_A BIT(0)
2734 #define ANT_B BIT(1)
2735 #define ANT_AB (ANT_A | ANT_B)
2736 #define ANT_C BIT(2)
2737 #define ANT_AC (ANT_A | ANT_C)
2738 #define ANT_BC (ANT_B | ANT_C)
2739 #define ANT_ABC (ANT_AB | ANT_C)
2741 #define IL_MAX_MCS_DISPLAY_SIZE 12
2743 struct il_rate_mcs_info {
2744 char mbps[IL_MAX_MCS_DISPLAY_SIZE];
2745 char mcs[IL_MAX_MCS_DISPLAY_SIZE];
2749 * struct il_rate_scale_data -- tx success history for one rate
2751 struct il_rate_scale_data {
2752 u64 data; /* bitmap of successful frames */
2753 s32 success_counter; /* number of frames successful */
2754 s32 success_ratio; /* per-cent * 128 */
2755 s32 counter; /* number of frames attempted */
2756 s32 average_tpt; /* success ratio * expected throughput */
2757 unsigned long stamp;
2761 * struct il_scale_tbl_info -- tx params and success history for all rates
2763 * There are two of these in struct il_lq_sta,
2764 * one for "active", and one for "search".
2766 struct il_scale_tbl_info {
2767 enum il_table_type lq_type;
2769 u8 is_SGI; /* 1 = short guard interval */
2770 u8 is_ht40; /* 1 = 40 MHz channel width */
2771 u8 is_dup; /* 1 = duplicated data streams */
2772 u8 action; /* change modulation; IL_[LEGACY/SISO/MIMO]_SWITCH_* */
2773 u8 max_search; /* maximun number of tables we can search */
2774 s32 *expected_tpt; /* throughput metrics; expected_tpt_G, etc. */
2775 u32 current_rate; /* rate_n_flags, uCode API format */
2776 struct il_rate_scale_data win[RATE_COUNT]; /* rate histories */
2779 struct il_traffic_load {
2780 unsigned long time_stamp; /* age of the oldest stats */
2781 u32 packet_count[TID_QUEUE_MAX_SIZE]; /* packet count in this time
2783 u32 total; /* total num of packets during the
2784 * last TID_MAX_TIME_DIFF */
2785 u8 queue_count; /* number of queues that has
2786 * been used since the last cleanup */
2787 u8 head; /* start of the circular buffer */
2791 * struct il_lq_sta -- driver's rate scaling ilate structure
2793 * Pointer to this gets passed back and forth between driver and mac80211.
2796 u8 active_tbl; /* idx of active table, range 0-1 */
2797 u8 enable_counter; /* indicates HT mode */
2798 u8 stay_in_tbl; /* 1: disallow, 0: allow search for new mode */
2799 u8 search_better_tbl; /* 1: currently trying alternate mode */
2802 /* The following determine when to search for a new mode */
2803 u32 table_count_limit;
2804 u32 max_failure_limit; /* # failed frames before new search */
2805 u32 max_success_limit; /* # successful frames before new search */
2807 u32 total_failed; /* total failed frames, any/all rates */
2808 u32 total_success; /* total successful frames, any/all rates */
2809 u64 flush_timer; /* time staying in mode before new search */
2811 u8 action_counter; /* # mode-switch actions tried */
2814 enum ieee80211_band band;
2816 /* The following are bitmaps of rates; RATE_6M_MASK, etc. */
2818 u16 active_legacy_rate;
2819 u16 active_siso_rate;
2820 u16 active_mimo2_rate;
2821 s8 max_rate_idx; /* Max rate set by user */
2822 u8 missed_rate_counter;
2824 struct il_link_quality_cmd lq;
2825 struct il_scale_tbl_info lq_info[LQ_SIZE]; /* "active", "search" */
2826 struct il_traffic_load load[TID_MAX_LOAD_COUNT];
2828 #ifdef CONFIG_MAC80211_DEBUGFS
2829 struct dentry *rs_sta_dbgfs_scale_table_file;
2830 struct dentry *rs_sta_dbgfs_stats_table_file;
2831 struct dentry *rs_sta_dbgfs_rate_scale_data_file;
2832 struct dentry *rs_sta_dbgfs_tx_agg_tid_en_file;
2835 struct il_priv *drv;
2837 /* used to be in sta_info */
2838 int last_txrate_idx;
2839 /* last tx rate_n_flags */
2840 u32 last_rate_n_flags;
2841 /* packets destined for this STA are aggregated */
2846 * il_station_priv: Driver's ilate station information
2848 * When mac80211 creates a station it reserves some space (hw->sta_data_size)
2849 * in the structure for use by driver. This structure is places in that
2852 * The common struct MUST be first because it is shared between
2855 struct il_station_priv {
2856 struct il_station_priv_common common;
2857 struct il_lq_sta lq_sta;
2858 atomic_t pending_frames;
2864 il4965_num_of_ant(u8 m)
2866 return !!(m & ANT_A) + !!(m & ANT_B) + !!(m & ANT_C);
2870 il4965_first_antenna(u8 mask)
2880 * il3945_rate_scale_init - Initialize the rate scale table based on assoc info
2882 * The specific throughput table used is based on the type of network
2883 * the associated with, including A, B, G, and G w/ TGG protection
2885 void il3945_rate_scale_init(struct ieee80211_hw *hw, s32 sta_id);
2887 /* Initialize station's rate scaling information after adding station */
2888 void il4965_rs_rate_init(struct il_priv *il, struct ieee80211_sta *sta,
2890 void il3945_rs_rate_init(struct il_priv *il, struct ieee80211_sta *sta,
2894 * il_rate_control_register - Register the rate control algorithm callbacks
2896 * Since the rate control algorithm is hardware specific, there is no need
2897 * or reason to place it as a stand alone module. The driver can call
2898 * il_rate_control_register in order to register the rate control callbacks
2899 * with the mac80211 subsystem. This should be performed prior to calling
2900 * ieee80211_register_hw
2903 int il4965_rate_control_register(void);
2904 int il3945_rate_control_register(void);
2907 * il_rate_control_unregister - Unregister the rate control callbacks
2909 * This should be called after calling ieee80211_unregister_hw, but before
2910 * the driver is unloaded.
2912 void il4965_rate_control_unregister(void);
2913 void il3945_rate_control_unregister(void);
2915 int il_power_update_mode(struct il_priv *il, bool force);
2916 void il_power_initialize(struct il_priv *il);
2918 extern u32 il_debug_level;
2920 #ifdef CONFIG_IWLEGACY_DEBUG
2922 * il_get_debug_level: Return active debug level for device
2924 * Using sysfs it is possible to set per device debug level. This debug
2925 * level will be used if set, otherwise the global debug level which can be
2926 * set via module parameter is used.
2929 il_get_debug_level(struct il_priv *il)
2931 if (il->debug_level)
2932 return il->debug_level;
2934 return il_debug_level;
2938 il_get_debug_level(struct il_priv *il)
2940 return il_debug_level;
2944 #define il_print_hex_error(il, p, len) \
2946 print_hex_dump(KERN_ERR, "iwl data: ", \
2947 DUMP_PREFIX_OFFSET, 16, 1, p, len, 1); \
2950 #ifdef CONFIG_IWLEGACY_DEBUG
2951 #define IL_DBG(level, fmt, args...) \
2953 if (il_get_debug_level(il) & level) \
2954 dev_err(&il->hw->wiphy->dev, "%c %s " fmt, \
2955 in_interrupt() ? 'I' : 'U', __func__ , ##args); \
2958 #define il_print_hex_dump(il, level, p, len) \
2960 if (il_get_debug_level(il) & level) \
2961 print_hex_dump(KERN_DEBUG, "iwl data: ", \
2962 DUMP_PREFIX_OFFSET, 16, 1, p, len, 1); \
2966 #define IL_DBG(level, fmt, args...)
2968 il_print_hex_dump(struct il_priv *il, int level, const void *p, u32 len)
2971 #endif /* CONFIG_IWLEGACY_DEBUG */
2973 #ifdef CONFIG_IWLEGACY_DEBUGFS
2974 int il_dbgfs_register(struct il_priv *il, const char *name);
2975 void il_dbgfs_unregister(struct il_priv *il);
2978 il_dbgfs_register(struct il_priv *il, const char *name)
2984 il_dbgfs_unregister(struct il_priv *il)
2987 #endif /* CONFIG_IWLEGACY_DEBUGFS */
2990 * To use the debug system:
2992 * If you are defining a new debug classification, simply add it to the #define
2993 * list here in the form of
2995 * #define IL_DL_xxxx VALUE
2997 * where xxxx should be the name of the classification (for example, WEP).
2999 * You then need to either add a IL_xxxx_DEBUG() macro definition for your
3000 * classification, or use IL_DBG(IL_DL_xxxx, ...) whenever you want
3001 * to send output to that classification.
3003 * The active debug levels can be accessed via files
3005 * /sys/module/iwl4965/parameters/debug
3006 * /sys/module/iwl3945/parameters/debug
3007 * /sys/class/net/wlan0/device/debug_level
3009 * when CONFIG_IWLEGACY_DEBUG=y.
3012 /* 0x0000000F - 0x00000001 */
3013 #define IL_DL_INFO (1 << 0)
3014 #define IL_DL_MAC80211 (1 << 1)
3015 #define IL_DL_HCMD (1 << 2)
3016 #define IL_DL_STATE (1 << 3)
3017 /* 0x000000F0 - 0x00000010 */
3018 #define IL_DL_MACDUMP (1 << 4)
3019 #define IL_DL_HCMD_DUMP (1 << 5)
3020 #define IL_DL_EEPROM (1 << 6)
3021 #define IL_DL_RADIO (1 << 7)
3022 /* 0x00000F00 - 0x00000100 */
3023 #define IL_DL_POWER (1 << 8)
3024 #define IL_DL_TEMP (1 << 9)
3025 #define IL_DL_NOTIF (1 << 10)
3026 #define IL_DL_SCAN (1 << 11)
3027 /* 0x0000F000 - 0x00001000 */
3028 #define IL_DL_ASSOC (1 << 12)
3029 #define IL_DL_DROP (1 << 13)
3030 #define IL_DL_TXPOWER (1 << 14)
3031 #define IL_DL_AP (1 << 15)
3032 /* 0x000F0000 - 0x00010000 */
3033 #define IL_DL_FW (1 << 16)
3034 #define IL_DL_RF_KILL (1 << 17)
3035 #define IL_DL_FW_ERRORS (1 << 18)
3036 #define IL_DL_LED (1 << 19)
3037 /* 0x00F00000 - 0x00100000 */
3038 #define IL_DL_RATE (1 << 20)
3039 #define IL_DL_CALIB (1 << 21)
3040 #define IL_DL_WEP (1 << 22)
3041 #define IL_DL_TX (1 << 23)
3042 /* 0x0F000000 - 0x01000000 */
3043 #define IL_DL_RX (1 << 24)
3044 #define IL_DL_ISR (1 << 25)
3045 #define IL_DL_HT (1 << 26)
3046 /* 0xF0000000 - 0x10000000 */
3047 #define IL_DL_11H (1 << 28)
3048 #define IL_DL_STATS (1 << 29)
3049 #define IL_DL_TX_REPLY (1 << 30)
3050 #define IL_DL_QOS (1 << 31)
3052 #define D_INFO(f, a...) IL_DBG(IL_DL_INFO, f, ## a)
3053 #define D_MAC80211(f, a...) IL_DBG(IL_DL_MAC80211, f, ## a)
3054 #define D_MACDUMP(f, a...) IL_DBG(IL_DL_MACDUMP, f, ## a)
3055 #define D_TEMP(f, a...) IL_DBG(IL_DL_TEMP, f, ## a)
3056 #define D_SCAN(f, a...) IL_DBG(IL_DL_SCAN, f, ## a)
3057 #define D_RX(f, a...) IL_DBG(IL_DL_RX, f, ## a)
3058 #define D_TX(f, a...) IL_DBG(IL_DL_TX, f, ## a)
3059 #define D_ISR(f, a...) IL_DBG(IL_DL_ISR, f, ## a)
3060 #define D_LED(f, a...) IL_DBG(IL_DL_LED, f, ## a)
3061 #define D_WEP(f, a...) IL_DBG(IL_DL_WEP, f, ## a)
3062 #define D_HC(f, a...) IL_DBG(IL_DL_HCMD, f, ## a)
3063 #define D_HC_DUMP(f, a...) IL_DBG(IL_DL_HCMD_DUMP, f, ## a)
3064 #define D_EEPROM(f, a...) IL_DBG(IL_DL_EEPROM, f, ## a)
3065 #define D_CALIB(f, a...) IL_DBG(IL_DL_CALIB, f, ## a)
3066 #define D_FW(f, a...) IL_DBG(IL_DL_FW, f, ## a)
3067 #define D_RF_KILL(f, a...) IL_DBG(IL_DL_RF_KILL, f, ## a)
3068 #define D_DROP(f, a...) IL_DBG(IL_DL_DROP, f, ## a)
3069 #define D_AP(f, a...) IL_DBG(IL_DL_AP, f, ## a)
3070 #define D_TXPOWER(f, a...) IL_DBG(IL_DL_TXPOWER, f, ## a)
3071 #define D_RATE(f, a...) IL_DBG(IL_DL_RATE, f, ## a)
3072 #define D_NOTIF(f, a...) IL_DBG(IL_DL_NOTIF, f, ## a)
3073 #define D_ASSOC(f, a...) IL_DBG(IL_DL_ASSOC, f, ## a)
3074 #define D_HT(f, a...) IL_DBG(IL_DL_HT, f, ## a)
3075 #define D_STATS(f, a...) IL_DBG(IL_DL_STATS, f, ## a)
3076 #define D_TX_REPLY(f, a...) IL_DBG(IL_DL_TX_REPLY, f, ## a)
3077 #define D_QOS(f, a...) IL_DBG(IL_DL_QOS, f, ## a)
3078 #define D_RADIO(f, a...) IL_DBG(IL_DL_RADIO, f, ## a)
3079 #define D_POWER(f, a...) IL_DBG(IL_DL_POWER, f, ## a)
3080 #define D_11H(f, a...) IL_DBG(IL_DL_11H, f, ## a)
3082 #endif /* __il_core_h__ */