| Author | Tokens | Token Proportion | Commits | Commit Proportion |
|---|---|---|---|---|
| Stanislaw Gruszka | 9059 | 93.12% | 43 | 76.79% |
| Wey-Yi Guy | 622 | 6.39% | 1 | 1.79% |
| Johannes Berg | 18 | 0.19% | 2 | 3.57% |
| Greg Dietsche | 5 | 0.05% | 1 | 1.79% |
| Emmanuel Grumbach | 5 | 0.05% | 1 | 1.79% |
| Kees Cook | 4 | 0.04% | 1 | 1.79% |
| Viresh Kumar | 3 | 0.03% | 1 | 1.79% |
| Christian Lamparter | 3 | 0.03% | 1 | 1.79% |
| Yijing Wang | 3 | 0.03% | 1 | 1.79% |
| David Spinadel | 2 | 0.02% | 1 | 1.79% |
| Javier Martinez Canillas | 2 | 0.02% | 1 | 1.79% |
| Joe Perches | 1 | 0.01% | 1 | 1.79% |
| Eliad Peller | 1 | 0.01% | 1 | 1.79% |
| Total | 9728 | 56 |
/****************************************************************************** * * Copyright(c) 2003 - 2011 Intel Corporation. All rights reserved. * * This program is free software; you can redistribute it and/or modify it * under the terms of version 2 of the GNU General Public License as * published by the Free Software Foundation. * * This program is distributed in the hope that it will be useful, but WITHOUT * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for * more details. * * You should have received a copy of the GNU General Public License along with * this program; if not, write to the Free Software Foundation, Inc., * 51 Franklin Street, Fifth Floor, Boston, MA 02110, USA * * The full GNU General Public License is included in this distribution in the * file called LICENSE. * * Contact Information: * Intel Linux Wireless <ilw@linux.intel.com> * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497 * *****************************************************************************/ #ifndef __il_core_h__ #define __il_core_h__ #include <linux/interrupt.h> #include <linux/pci.h> /* for struct pci_device_id */ #include <linux/kernel.h> #include <linux/leds.h> #include <linux/wait.h> #include <linux/io.h> #include <net/mac80211.h> #include <net/ieee80211_radiotap.h> #include "commands.h" #include "csr.h" #include "prph.h" struct il_host_cmd; struct il_cmd; struct il_tx_queue; #define IL_ERR(f, a...) dev_err(&il->pci_dev->dev, f, ## a) #define IL_WARN(f, a...) dev_warn(&il->pci_dev->dev, f, ## a) #define IL_WARN_ONCE(f, a...) dev_warn_once(&il->pci_dev->dev, f, ## a) #define IL_INFO(f, a...) dev_info(&il->pci_dev->dev, f, ## a) #define RX_QUEUE_SIZE 256 #define RX_QUEUE_MASK 255 #define RX_QUEUE_SIZE_LOG 8 /* * RX related structures and functions */ #define RX_FREE_BUFFERS 64 #define RX_LOW_WATERMARK 8 #define U32_PAD(n) ((4-(n))&0x3) /* CT-KILL constants */ #define CT_KILL_THRESHOLD_LEGACY 110 /* in Celsius */ /* Default noise level to report when noise measurement is not available. * This may be because we're: * 1) Not associated (4965, no beacon stats being sent to driver) * 2) Scanning (noise measurement does not apply to associated channel) * 3) Receiving CCK (3945 delivers noise info only for OFDM frames) * Use default noise value of -127 ... this is below the range of measurable * Rx dBm for either 3945 or 4965, so it can indicate "unmeasurable" to user. * Also, -127 works better than 0 when averaging frames with/without * noise info (e.g. averaging might be done in app); measured dBm values are * always negative ... using a negative value as the default keeps all * averages within an s8's (used in some apps) range of negative values. */ #define IL_NOISE_MEAS_NOT_AVAILABLE (-127) /* * RTS threshold here is total size [2347] minus 4 FCS bytes * Per spec: * a value of 0 means RTS on all data/management packets * a value > max MSDU size means no RTS * else RTS for data/management frames where MPDU is larger * than RTS value. */ #define DEFAULT_RTS_THRESHOLD 2347U #define MIN_RTS_THRESHOLD 0U #define MAX_RTS_THRESHOLD 2347U #define MAX_MSDU_SIZE 2304U #define MAX_MPDU_SIZE 2346U #define DEFAULT_BEACON_INTERVAL 100U #define DEFAULT_SHORT_RETRY_LIMIT 7U #define DEFAULT_LONG_RETRY_LIMIT 4U struct il_rx_buf { dma_addr_t page_dma; struct page *page; struct list_head list; }; #define rxb_addr(r) page_address(r->page) /* defined below */ struct il_device_cmd; struct il_cmd_meta { /* only for SYNC commands, iff the reply skb is wanted */ struct il_host_cmd *source; /* * only for ASYNC commands * (which is somewhat stupid -- look at common.c for instance * which duplicates a bunch of code because the callback isn't * invoked for SYNC commands, if it were and its result passed * through it would be simpler...) */ void (*callback) (struct il_priv *il, struct il_device_cmd *cmd, struct il_rx_pkt *pkt); /* The CMD_SIZE_HUGE flag bit indicates that the command * structure is stored at the end of the shared queue memory. */ u32 flags; DEFINE_DMA_UNMAP_ADDR(mapping); DEFINE_DMA_UNMAP_LEN(len); }; /* * Generic queue structure * * Contains common data for Rx and Tx queues */ struct il_queue { int n_bd; /* number of BDs in this queue */ int write_ptr; /* 1-st empty entry (idx) host_w */ int read_ptr; /* last used entry (idx) host_r */ /* use for monitoring and recovering the stuck queue */ dma_addr_t dma_addr; /* physical addr for BD's */ int n_win; /* safe queue win */ u32 id; int low_mark; /* low watermark, resume queue if free * space more than this */ int high_mark; /* high watermark, stop queue if free * space less than this */ }; /** * struct il_tx_queue - Tx Queue for DMA * @q: generic Rx/Tx queue descriptor * @bd: base of circular buffer of TFDs * @cmd: array of command/TX buffer pointers * @meta: array of meta data for each command/tx buffer * @dma_addr_cmd: physical address of cmd/tx buffer array * @skbs: array of per-TFD socket buffer pointers * @time_stamp: time (in jiffies) of last read_ptr change * @need_update: indicates need to update read/write idx * @sched_retry: indicates queue is high-throughput aggregation (HT AGG) enabled * * A Tx queue consists of circular buffer of BDs (a.k.a. TFDs, transmit frame * descriptors) and required locking structures. */ #define TFD_TX_CMD_SLOTS 256 #define TFD_CMD_SLOTS 32 struct il_tx_queue { struct il_queue q; void *tfds; struct il_device_cmd **cmd; struct il_cmd_meta *meta; struct sk_buff **skbs; unsigned long time_stamp; u8 need_update; u8 sched_retry; u8 active; u8 swq_id; }; /* * EEPROM access time values: * * Driver initiates EEPROM read by writing byte address << 1 to CSR_EEPROM_REG. * Driver then polls CSR_EEPROM_REG for CSR_EEPROM_REG_READ_VALID_MSK (0x1). * When polling, wait 10 uSec between polling loops, up to a maximum 5000 uSec. * Driver reads 16-bit value from bits 31-16 of CSR_EEPROM_REG. */ #define IL_EEPROM_ACCESS_TIMEOUT 5000 /* uSec */ #define IL_EEPROM_SEM_TIMEOUT 10 /* microseconds */ #define IL_EEPROM_SEM_RETRY_LIMIT 1000 /* number of attempts (not time) */ /* * Regulatory channel usage flags in EEPROM struct il4965_eeprom_channel.flags. * * IBSS and/or AP operation is allowed *only* on those channels with * (VALID && IBSS && ACTIVE && !RADAR). This restriction is in place because * RADAR detection is not supported by the 4965 driver, but is a * requirement for establishing a new network for legal operation on channels * requiring RADAR detection or restricting ACTIVE scanning. * * NOTE: "WIDE" flag does not indicate anything about "HT40" 40 MHz channels. * It only indicates that 20 MHz channel use is supported; HT40 channel * usage is indicated by a separate set of regulatory flags for each * HT40 channel pair. * * NOTE: Using a channel inappropriately will result in a uCode error! */ #define IL_NUM_TX_CALIB_GROUPS 5 enum { EEPROM_CHANNEL_VALID = (1 << 0), /* usable for this SKU/geo */ EEPROM_CHANNEL_IBSS = (1 << 1), /* usable as an IBSS channel */ /* Bit 2 Reserved */ EEPROM_CHANNEL_ACTIVE = (1 << 3), /* active scanning allowed */ EEPROM_CHANNEL_RADAR = (1 << 4), /* radar detection required */ EEPROM_CHANNEL_WIDE = (1 << 5), /* 20 MHz channel okay */ /* Bit 6 Reserved (was Narrow Channel) */ EEPROM_CHANNEL_DFS = (1 << 7), /* dynamic freq selection candidate */ }; /* SKU Capabilities */ /* 3945 only */ #define EEPROM_SKU_CAP_SW_RF_KILL_ENABLE (1 << 0) #define EEPROM_SKU_CAP_HW_RF_KILL_ENABLE (1 << 1) /* *regulatory* channel data format in eeprom, one for each channel. * There are separate entries for HT40 (40 MHz) vs. normal (20 MHz) channels. */ struct il_eeprom_channel { u8 flags; /* EEPROM_CHANNEL_* flags copied from EEPROM */ s8 max_power_avg; /* max power (dBm) on this chnl, limit 31 */ } __packed; /* 3945 Specific */ #define EEPROM_3945_EEPROM_VERSION (0x2f) /* 4965 has two radio transmitters (and 3 radio receivers) */ #define EEPROM_TX_POWER_TX_CHAINS (2) /* 4965 has room for up to 8 sets of txpower calibration data */ #define EEPROM_TX_POWER_BANDS (8) /* 4965 factory calibration measures txpower gain settings for * each of 3 target output levels */ #define EEPROM_TX_POWER_MEASUREMENTS (3) /* 4965 Specific */ /* 4965 driver does not work with txpower calibration version < 5 */ #define EEPROM_4965_TX_POWER_VERSION (5) #define EEPROM_4965_EEPROM_VERSION (0x2f) #define EEPROM_4965_CALIB_VERSION_OFFSET (2*0xB6) /* 2 bytes */ #define EEPROM_4965_CALIB_TXPOWER_OFFSET (2*0xE8) /* 48 bytes */ #define EEPROM_4965_BOARD_REVISION (2*0x4F) /* 2 bytes */ #define EEPROM_4965_BOARD_PBA (2*0x56+1) /* 9 bytes */ /* 2.4 GHz */ extern const u8 il_eeprom_band_1[14]; /* * factory calibration data for one txpower level, on one channel, * measured on one of the 2 tx chains (radio transmitter and associated * antenna). EEPROM contains: * * 1) Temperature (degrees Celsius) of device when measurement was made. * * 2) Gain table idx used to achieve the target measurement power. * This refers to the "well-known" gain tables (see 4965.h). * * 3) Actual measured output power, in half-dBm ("34" = 17 dBm). * * 4) RF power amplifier detector level measurement (not used). */ struct il_eeprom_calib_measure { u8 temperature; /* Device temperature (Celsius) */ u8 gain_idx; /* Index into gain table */ u8 actual_pow; /* Measured RF output power, half-dBm */ s8 pa_det; /* Power amp detector level (not used) */ } __packed; /* * measurement set for one channel. EEPROM contains: * * 1) Channel number measured * * 2) Measurements for each of 3 power levels for each of 2 radio transmitters * (a.k.a. "tx chains") (6 measurements altogether) */ struct il_eeprom_calib_ch_info { u8 ch_num; struct il_eeprom_calib_measure measurements[EEPROM_TX_POWER_TX_CHAINS] [EEPROM_TX_POWER_MEASUREMENTS]; } __packed; /* * txpower subband info. * * For each frequency subband, EEPROM contains the following: * * 1) First and last channels within range of the subband. "0" values * indicate that this sample set is not being used. * * 2) Sample measurement sets for 2 channels close to the range endpoints. */ struct il_eeprom_calib_subband_info { u8 ch_from; /* channel number of lowest channel in subband */ u8 ch_to; /* channel number of highest channel in subband */ struct il_eeprom_calib_ch_info ch1; struct il_eeprom_calib_ch_info ch2; } __packed; /* * txpower calibration info. EEPROM contains: * * 1) Factory-measured saturation power levels (maximum levels at which * tx power amplifier can output a signal without too much distortion). * There is one level for 2.4 GHz band and one for 5 GHz band. These * values apply to all channels within each of the bands. * * 2) Factory-measured power supply voltage level. This is assumed to be * constant (i.e. same value applies to all channels/bands) while the * factory measurements are being made. * * 3) Up to 8 sets of factory-measured txpower calibration values. * These are for different frequency ranges, since txpower gain * characteristics of the analog radio circuitry vary with frequency. * * Not all sets need to be filled with data; * struct il_eeprom_calib_subband_info contains range of channels * (0 if unused) for each set of data. */ struct il_eeprom_calib_info { u8 saturation_power24; /* half-dBm (e.g. "34" = 17 dBm) */ u8 saturation_power52; /* half-dBm */ __le16 voltage; /* signed */ struct il_eeprom_calib_subband_info band_info[EEPROM_TX_POWER_BANDS]; } __packed; /* General */ #define EEPROM_DEVICE_ID (2*0x08) /* 2 bytes */ #define EEPROM_MAC_ADDRESS (2*0x15) /* 6 bytes */ #define EEPROM_BOARD_REVISION (2*0x35) /* 2 bytes */ #define EEPROM_BOARD_PBA_NUMBER (2*0x3B+1) /* 9 bytes */ #define EEPROM_VERSION (2*0x44) /* 2 bytes */ #define EEPROM_SKU_CAP (2*0x45) /* 2 bytes */ #define EEPROM_OEM_MODE (2*0x46) /* 2 bytes */ #define EEPROM_WOWLAN_MODE (2*0x47) /* 2 bytes */ #define EEPROM_RADIO_CONFIG (2*0x48) /* 2 bytes */ #define EEPROM_NUM_MAC_ADDRESS (2*0x4C) /* 2 bytes */ /* The following masks are to be applied on EEPROM_RADIO_CONFIG */ #define EEPROM_RF_CFG_TYPE_MSK(x) (x & 0x3) /* bits 0-1 */ #define EEPROM_RF_CFG_STEP_MSK(x) ((x >> 2) & 0x3) /* bits 2-3 */ #define EEPROM_RF_CFG_DASH_MSK(x) ((x >> 4) & 0x3) /* bits 4-5 */ #define EEPROM_RF_CFG_PNUM_MSK(x) ((x >> 6) & 0x3) /* bits 6-7 */ #define EEPROM_RF_CFG_TX_ANT_MSK(x) ((x >> 8) & 0xF) /* bits 8-11 */ #define EEPROM_RF_CFG_RX_ANT_MSK(x) ((x >> 12) & 0xF) /* bits 12-15 */ #define EEPROM_3945_RF_CFG_TYPE_MAX 0x0 #define EEPROM_4965_RF_CFG_TYPE_MAX 0x1 /* * Per-channel regulatory data. * * Each channel that *might* be supported by iwl has a fixed location * in EEPROM containing EEPROM_CHANNEL_* usage flags (LSB) and max regulatory * txpower (MSB). * * Entries immediately below are for 20 MHz channel width. HT40 (40 MHz) * channels (only for 4965, not supported by 3945) appear later in the EEPROM. * * 2.4 GHz channels 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14 */ #define EEPROM_REGULATORY_SKU_ID (2*0x60) /* 4 bytes */ #define EEPROM_REGULATORY_BAND_1 (2*0x62) /* 2 bytes */ #define EEPROM_REGULATORY_BAND_1_CHANNELS (2*0x63) /* 28 bytes */ /* * 4.9 GHz channels 183, 184, 185, 187, 188, 189, 192, 196, * 5.0 GHz channels 7, 8, 11, 12, 16 * (4915-5080MHz) (none of these is ever supported) */ #define EEPROM_REGULATORY_BAND_2 (2*0x71) /* 2 bytes */ #define EEPROM_REGULATORY_BAND_2_CHANNELS (2*0x72) /* 26 bytes */ /* * 5.2 GHz channels 34, 36, 38, 40, 42, 44, 46, 48, 52, 56, 60, 64 * (5170-5320MHz) */ #define EEPROM_REGULATORY_BAND_3 (2*0x7F) /* 2 bytes */ #define EEPROM_REGULATORY_BAND_3_CHANNELS (2*0x80) /* 24 bytes */ /* * 5.5 GHz channels 100, 104, 108, 112, 116, 120, 124, 128, 132, 136, 140 * (5500-5700MHz) */ #define EEPROM_REGULATORY_BAND_4 (2*0x8C) /* 2 bytes */ #define EEPROM_REGULATORY_BAND_4_CHANNELS (2*0x8D) /* 22 bytes */ /* * 5.7 GHz channels 145, 149, 153, 157, 161, 165 * (5725-5825MHz) */ #define EEPROM_REGULATORY_BAND_5 (2*0x98) /* 2 bytes */ #define EEPROM_REGULATORY_BAND_5_CHANNELS (2*0x99) /* 12 bytes */ /* * 2.4 GHz HT40 channels 1 (5), 2 (6), 3 (7), 4 (8), 5 (9), 6 (10), 7 (11) * * The channel listed is the center of the lower 20 MHz half of the channel. * The overall center frequency is actually 2 channels (10 MHz) above that, * and the upper half of each HT40 channel is centered 4 channels (20 MHz) away * from the lower half; e.g. the upper half of HT40 channel 1 is channel 5, * and the overall HT40 channel width centers on channel 3. * * NOTE: The RXON command uses 20 MHz channel numbers to specify the * control channel to which to tune. RXON also specifies whether the * control channel is the upper or lower half of a HT40 channel. * * NOTE: 4965 does not support HT40 channels on 2.4 GHz. */ #define EEPROM_4965_REGULATORY_BAND_24_HT40_CHANNELS (2*0xA0) /* 14 bytes */ /* * 5.2 GHz HT40 channels 36 (40), 44 (48), 52 (56), 60 (64), * 100 (104), 108 (112), 116 (120), 124 (128), 132 (136), 149 (153), 157 (161) */ #define EEPROM_4965_REGULATORY_BAND_52_HT40_CHANNELS (2*0xA8) /* 22 bytes */ #define EEPROM_REGULATORY_BAND_NO_HT40 (0) int il_eeprom_init(struct il_priv *il); void il_eeprom_free(struct il_priv *il); const u8 *il_eeprom_query_addr(const struct il_priv *il, size_t offset); u16 il_eeprom_query16(const struct il_priv *il, size_t offset); int il_init_channel_map(struct il_priv *il); void il_free_channel_map(struct il_priv *il); const struct il_channel_info *il_get_channel_info(const struct il_priv *il, enum nl80211_band band, u16 channel); #define IL_NUM_SCAN_RATES (2) struct il4965_channel_tgd_info { u8 type; s8 max_power; }; struct il4965_channel_tgh_info { s64 last_radar_time; }; #define IL4965_MAX_RATE (33) struct il3945_clip_group { /* maximum power level to prevent clipping for each rate, derived by * us from this band's saturation power in EEPROM */ const s8 clip_powers[IL_MAX_RATES]; }; /* current Tx power values to use, one for each rate for each channel. * requested power is limited by: * -- regulatory EEPROM limits for this channel * -- hardware capabilities (clip-powers) * -- spectrum management * -- user preference (e.g. iwconfig) * when requested power is set, base power idx must also be set. */ struct il3945_channel_power_info { struct il3945_tx_power tpc; /* actual radio and DSP gain settings */ s8 power_table_idx; /* actual (compenst'd) idx into gain table */ s8 base_power_idx; /* gain idx for power at factory temp. */ s8 requested_power; /* power (dBm) requested for this chnl/rate */ }; /* current scan Tx power values to use, one for each scan rate for each * channel. */ struct il3945_scan_power_info { struct il3945_tx_power tpc; /* actual radio and DSP gain settings */ s8 power_table_idx; /* actual (compenst'd) idx into gain table */ s8 requested_power; /* scan pwr (dBm) requested for chnl/rate */ }; /* * One for each channel, holds all channel setup data * Some of the fields (e.g. eeprom and flags/max_power_avg) are redundant * with one another! */ struct il_channel_info { struct il4965_channel_tgd_info tgd; struct il4965_channel_tgh_info tgh; struct il_eeprom_channel eeprom; /* EEPROM regulatory limit */ struct il_eeprom_channel ht40_eeprom; /* EEPROM regulatory limit for * HT40 channel */ u8 channel; /* channel number */ u8 flags; /* flags copied from EEPROM */ s8 max_power_avg; /* (dBm) regul. eeprom, normal Tx, any rate */ s8 curr_txpow; /* (dBm) regulatory/spectrum/user (not h/w) limit */ s8 min_power; /* always 0 */ s8 scan_power; /* (dBm) regul. eeprom, direct scans, any rate */ u8 group_idx; /* 0-4, maps channel to group1/2/3/4/5 */ u8 band_idx; /* 0-4, maps channel to band1/2/3/4/5 */ enum nl80211_band band; /* HT40 channel info */ s8 ht40_max_power_avg; /* (dBm) regul. eeprom, normal Tx, any rate */ u8 ht40_flags; /* flags copied from EEPROM */ u8 ht40_extension_channel; /* HT_IE_EXT_CHANNEL_* */ /* Radio/DSP gain settings for each "normal" data Tx rate. * These include, in addition to RF and DSP gain, a few fields for * remembering/modifying gain settings (idxes). */ struct il3945_channel_power_info power_info[IL4965_MAX_RATE]; /* Radio/DSP gain settings for each scan rate, for directed scans. */ struct il3945_scan_power_info scan_pwr_info[IL_NUM_SCAN_RATES]; }; #define IL_TX_FIFO_BK 0 /* shared */ #define IL_TX_FIFO_BE 1 #define IL_TX_FIFO_VI 2 /* shared */ #define IL_TX_FIFO_VO 3 #define IL_TX_FIFO_UNUSED -1 /* Minimum number of queues. MAX_NUM is defined in hw specific files. * Set the minimum to accommodate the 4 standard TX queues, 1 command * queue, 2 (unused) HCCA queues, and 4 HT queues (one for each AC) */ #define IL_MIN_NUM_QUEUES 10 #define IL_DEFAULT_CMD_QUEUE_NUM 4 #define IEEE80211_DATA_LEN 2304 #define IEEE80211_4ADDR_LEN 30 #define IEEE80211_HLEN (IEEE80211_4ADDR_LEN) #define IEEE80211_FRAME_LEN (IEEE80211_DATA_LEN + IEEE80211_HLEN) struct il_frame { union { struct ieee80211_hdr frame; struct il_tx_beacon_cmd beacon; u8 raw[IEEE80211_FRAME_LEN]; u8 cmd[360]; } u; struct list_head list; }; enum { CMD_SYNC = 0, CMD_SIZE_NORMAL = 0, CMD_NO_SKB = 0, CMD_SIZE_HUGE = (1 << 0), CMD_ASYNC = (1 << 1), CMD_WANT_SKB = (1 << 2), CMD_MAPPED = (1 << 3), }; #define DEF_CMD_PAYLOAD_SIZE 320 /** * struct il_device_cmd * * For allocation of the command and tx queues, this establishes the overall * size of the largest command we send to uCode, except for a scan command * (which is relatively huge; space is allocated separately). */ struct il_device_cmd { struct il_cmd_header hdr; /* uCode API */ union { u32 flags; u8 val8; u16 val16; u32 val32; struct il_tx_cmd tx; u8 payload[DEF_CMD_PAYLOAD_SIZE]; } __packed cmd; } __packed; #define TFD_MAX_PAYLOAD_SIZE (sizeof(struct il_device_cmd)) struct il_host_cmd { const void *data; unsigned long reply_page; void (*callback) (struct il_priv *il, struct il_device_cmd *cmd, struct il_rx_pkt *pkt); u32 flags; u16 len; u8 id; }; #define SUP_RATE_11A_MAX_NUM_CHANNELS 8 #define SUP_RATE_11B_MAX_NUM_CHANNELS 4 #define SUP_RATE_11G_MAX_NUM_CHANNELS 12 /** * struct il_rx_queue - Rx queue * @bd: driver's pointer to buffer of receive buffer descriptors (rbd) * @bd_dma: bus address of buffer of receive buffer descriptors (rbd) * @read: Shared idx to newest available Rx buffer * @write: Shared idx to oldest written Rx packet * @free_count: Number of pre-allocated buffers in rx_free * @rx_free: list of free SKBs for use * @rx_used: List of Rx buffers with no SKB * @need_update: flag to indicate we need to update read/write idx * @rb_stts: driver's pointer to receive buffer status * @rb_stts_dma: bus address of receive buffer status * * NOTE: rx_free and rx_used are used as a FIFO for il_rx_bufs */ struct il_rx_queue { __le32 *bd; dma_addr_t bd_dma; struct il_rx_buf pool[RX_QUEUE_SIZE + RX_FREE_BUFFERS]; struct il_rx_buf *queue[RX_QUEUE_SIZE]; u32 read; u32 write; u32 free_count; u32 write_actual; struct list_head rx_free; struct list_head rx_used; int need_update; struct il_rb_status *rb_stts; dma_addr_t rb_stts_dma; spinlock_t lock; }; #define IL_SUPPORTED_RATES_IE_LEN 8 #define MAX_TID_COUNT 9 #define IL_INVALID_RATE 0xFF #define IL_INVALID_VALUE -1 /** * struct il_ht_agg -- aggregation status while waiting for block-ack * @txq_id: Tx queue used for Tx attempt * @frame_count: # frames attempted by Tx command * @wait_for_ba: Expect block-ack before next Tx reply * @start_idx: Index of 1st Transmit Frame Descriptor (TFD) in Tx win * @bitmap0: Low order bitmap, one bit for each frame pending ACK in Tx win * @bitmap1: High order, one bit for each frame pending ACK in Tx win * @rate_n_flags: Rate at which Tx was attempted * * If C_TX indicates that aggregation was attempted, driver must wait * for block ack (N_COMPRESSED_BA). This struct stores tx reply info * until block ack arrives. */ struct il_ht_agg { u16 txq_id; u16 frame_count; u16 wait_for_ba; u16 start_idx; u64 bitmap; u32 rate_n_flags; #define IL_AGG_OFF 0 #define IL_AGG_ON 1 #define IL_EMPTYING_HW_QUEUE_ADDBA 2 #define IL_EMPTYING_HW_QUEUE_DELBA 3 u8 state; }; struct il_tid_data { u16 seq_number; /* 4965 only */ u16 tfds_in_queue; struct il_ht_agg agg; }; struct il_hw_key { u32 cipher; int keylen; u8 keyidx; u8 key[32]; }; union il_ht_rate_supp { u16 rates; struct { u8 siso_rate; u8 mimo_rate; }; }; #define CFG_HT_RX_AMPDU_FACTOR_8K (0x0) #define CFG_HT_RX_AMPDU_FACTOR_16K (0x1) #define CFG_HT_RX_AMPDU_FACTOR_32K (0x2) #define CFG_HT_RX_AMPDU_FACTOR_64K (0x3) #define CFG_HT_RX_AMPDU_FACTOR_DEF CFG_HT_RX_AMPDU_FACTOR_64K #define CFG_HT_RX_AMPDU_FACTOR_MAX CFG_HT_RX_AMPDU_FACTOR_64K #define CFG_HT_RX_AMPDU_FACTOR_MIN CFG_HT_RX_AMPDU_FACTOR_8K /* * Maximal MPDU density for TX aggregation * 4 - 2us density * 5 - 4us density * 6 - 8us density * 7 - 16us density */ #define CFG_HT_MPDU_DENSITY_2USEC (0x4) #define CFG_HT_MPDU_DENSITY_4USEC (0x5) #define CFG_HT_MPDU_DENSITY_8USEC (0x6) #define CFG_HT_MPDU_DENSITY_16USEC (0x7) #define CFG_HT_MPDU_DENSITY_DEF CFG_HT_MPDU_DENSITY_4USEC #define CFG_HT_MPDU_DENSITY_MAX CFG_HT_MPDU_DENSITY_16USEC #define CFG_HT_MPDU_DENSITY_MIN (0x1) struct il_ht_config { bool single_chain_sufficient; enum ieee80211_smps_mode smps; /* current smps mode */ }; /* QoS structures */ struct il_qos_info { int qos_active; struct il_qosparam_cmd def_qos_parm; }; /* * Structure should be accessed with sta_lock held. When station addition * is in progress (IL_STA_UCODE_INPROGRESS) it is possible to access only * the commands (il_addsta_cmd and il_link_quality_cmd) without * sta_lock held. */ struct il_station_entry { struct il_addsta_cmd sta; struct il_tid_data tid[MAX_TID_COUNT]; u8 used; struct il_hw_key keyinfo; struct il_link_quality_cmd *lq; }; struct il_station_priv_common { u8 sta_id; }; /** * struct il_vif_priv - driver's ilate per-interface information * * When mac80211 allocates a virtual interface, it can allocate * space for us to put data into. */ struct il_vif_priv { u8 ibss_bssid_sta_id; }; /* one for each uCode image (inst/data, boot/init/runtime) */ struct fw_desc { void *v_addr; /* access by driver */ dma_addr_t p_addr; /* access by card's busmaster DMA */ u32 len; /* bytes */ }; /* uCode file layout */ struct il_ucode_header { __le32 ver; /* major/minor/API/serial */ struct { __le32 inst_size; /* bytes of runtime code */ __le32 data_size; /* bytes of runtime data */ __le32 init_size; /* bytes of init code */ __le32 init_data_size; /* bytes of init data */ __le32 boot_size; /* bytes of bootstrap code */ u8 data[0]; /* in same order as sizes */ } v1; }; struct il4965_ibss_seq { u8 mac[ETH_ALEN]; u16 seq_num; u16 frag_num; unsigned long packet_time; struct list_head list; }; struct il_sensitivity_ranges { u16 min_nrg_cck; u16 max_nrg_cck; u16 nrg_th_cck; u16 nrg_th_ofdm; u16 auto_corr_min_ofdm; u16 auto_corr_min_ofdm_mrc; u16 auto_corr_min_ofdm_x1; u16 auto_corr_min_ofdm_mrc_x1; u16 auto_corr_max_ofdm; u16 auto_corr_max_ofdm_mrc; u16 auto_corr_max_ofdm_x1; u16 auto_corr_max_ofdm_mrc_x1; u16 auto_corr_max_cck; u16 auto_corr_max_cck_mrc; u16 auto_corr_min_cck; u16 auto_corr_min_cck_mrc; u16 barker_corr_th_min; u16 barker_corr_th_min_mrc; u16 nrg_th_cca; }; #define KELVIN_TO_CELSIUS(x) ((x)-273) #define CELSIUS_TO_KELVIN(x) ((x)+273) /** * struct il_hw_params * @bcast_id: f/w broadcast station ID * @max_txq_num: Max # Tx queues supported * @dma_chnl_num: Number of Tx DMA/FIFO channels * @scd_bc_tbls_size: size of scheduler byte count tables * @tfd_size: TFD size * @tx/rx_chains_num: Number of TX/RX chains * @valid_tx/rx_ant: usable antennas * @max_rxq_size: Max # Rx frames in Rx queue (must be power-of-2) * @max_rxq_log: Log-base-2 of max_rxq_size * @rx_page_order: Rx buffer page order * @rx_wrt_ptr_reg: FH{39}_RSCSR_CHNL0_WPTR * @max_stations: * @ht40_channel: is 40MHz width possible in band 2.4 * BIT(NL80211_BAND_5GHZ) BIT(NL80211_BAND_5GHZ) * @sw_crypto: 0 for hw, 1 for sw * @max_xxx_size: for ucode uses * @ct_kill_threshold: temperature threshold * @beacon_time_tsf_bits: number of valid tsf bits for beacon time * @struct il_sensitivity_ranges: range of sensitivity values */ struct il_hw_params { u8 bcast_id; u8 max_txq_num; u8 dma_chnl_num; u16 scd_bc_tbls_size; u32 tfd_size; u8 tx_chains_num; u8 rx_chains_num; u8 valid_tx_ant; u8 valid_rx_ant; u16 max_rxq_size; u16 max_rxq_log; u32 rx_page_order; u32 rx_wrt_ptr_reg; u8 max_stations; u8 ht40_channel; u8 max_beacon_itrvl; /* in 1024 ms */ u32 max_inst_size; u32 max_data_size; u32 max_bsm_size; u32 ct_kill_threshold; /* value in hw-dependent units */ u16 beacon_time_tsf_bits; const struct il_sensitivity_ranges *sens; }; /****************************************************************************** * * Functions implemented in core module which are forward declared here * for use by iwl-[4-5].c * * NOTE: The implementation of these functions are not hardware specific * which is why they are in the core module files. * * Naming convention -- * il_ <-- Is part of iwlwifi * iwlXXXX_ <-- Hardware specific (implemented in iwl-XXXX.c for XXXX) * il4965_bg_ <-- Called from work queue context * il4965_mac_ <-- mac80211 callback * ****************************************************************************/ void il4965_update_chain_flags(struct il_priv *il); extern const u8 il_bcast_addr[ETH_ALEN]; int il_queue_space(const struct il_queue *q); static inline int il_queue_used(const struct il_queue *q, int i) { return q->write_ptr >= q->read_ptr ? (i >= q->read_ptr && i < q->write_ptr) : !(i < q->read_ptr && i >= q-> write_ptr); } static inline u8 il_get_cmd_idx(struct il_queue *q, u32 idx, int is_huge) { /* * This is for init calibration result and scan command which * required buffer > TFD_MAX_PAYLOAD_SIZE, * the big buffer at end of command array */ if (is_huge) return q->n_win; /* must be power of 2 */ /* Otherwise, use normal size buffers */ return idx & (q->n_win - 1); } struct il_dma_ptr { dma_addr_t dma; void *addr; size_t size; }; #define IL_OPERATION_MODE_AUTO 0 #define IL_OPERATION_MODE_HT_ONLY 1 #define IL_OPERATION_MODE_MIXED 2 #define IL_OPERATION_MODE_20MHZ 3 #define IL_TX_CRC_SIZE 4 #define IL_TX_DELIMITER_SIZE 4 #define TX_POWER_IL_ILLEGAL_VOLTAGE -10000 /* Sensitivity and chain noise calibration */ #define INITIALIZATION_VALUE 0xFFFF #define IL4965_CAL_NUM_BEACONS 20 #define IL_CAL_NUM_BEACONS 16 #define MAXIMUM_ALLOWED_PATHLOSS 15 #define CHAIN_NOISE_MAX_DELTA_GAIN_CODE 3 #define MAX_FA_OFDM 50 #define MIN_FA_OFDM 5 #define MAX_FA_CCK 50 #define MIN_FA_CCK 5 #define AUTO_CORR_STEP_OFDM 1 #define AUTO_CORR_STEP_CCK 3 #define AUTO_CORR_MAX_TH_CCK 160 #define NRG_DIFF 2 #define NRG_STEP_CCK 2 #define NRG_MARGIN 8 #define MAX_NUMBER_CCK_NO_FA 100 #define AUTO_CORR_CCK_MIN_VAL_DEF (125) #define CHAIN_A 0 #define CHAIN_B 1 #define CHAIN_C 2 #define CHAIN_NOISE_DELTA_GAIN_INIT_VAL 4 #define ALL_BAND_FILTER 0xFF00 #define IN_BAND_FILTER 0xFF #define MIN_AVERAGE_NOISE_MAX_VALUE 0xFFFFFFFF #define NRG_NUM_PREV_STAT_L 20 #define NUM_RX_CHAINS 3 enum il4965_false_alarm_state { IL_FA_TOO_MANY = 0, IL_FA_TOO_FEW = 1, IL_FA_GOOD_RANGE = 2, }; enum il4965_chain_noise_state { IL_CHAIN_NOISE_ALIVE = 0, /* must be 0 */ IL_CHAIN_NOISE_ACCUMULATE, IL_CHAIN_NOISE_CALIBRATED, IL_CHAIN_NOISE_DONE, }; enum ucode_type { UCODE_NONE = 0, UCODE_INIT, UCODE_RT }; /* Sensitivity calib data */ struct il_sensitivity_data { u32 auto_corr_ofdm; u32 auto_corr_ofdm_mrc; u32 auto_corr_ofdm_x1; u32 auto_corr_ofdm_mrc_x1; u32 auto_corr_cck; u32 auto_corr_cck_mrc; u32 last_bad_plcp_cnt_ofdm; u32 last_fa_cnt_ofdm; u32 last_bad_plcp_cnt_cck; u32 last_fa_cnt_cck; u32 nrg_curr_state; u32 nrg_prev_state; u32 nrg_value[10]; u8 nrg_silence_rssi[NRG_NUM_PREV_STAT_L]; u32 nrg_silence_ref; u32 nrg_energy_idx; u32 nrg_silence_idx; u32 nrg_th_cck; s32 nrg_auto_corr_silence_diff; u32 num_in_cck_no_fa; u32 nrg_th_ofdm; u16 barker_corr_th_min; u16 barker_corr_th_min_mrc; u16 nrg_th_cca; }; /* Chain noise (differential Rx gain) calib data */ struct il_chain_noise_data { u32 active_chains; u32 chain_noise_a; u32 chain_noise_b; u32 chain_noise_c; u32 chain_signal_a; u32 chain_signal_b; u32 chain_signal_c; u16 beacon_count; u8 disconn_array[NUM_RX_CHAINS]; u8 delta_gain_code[NUM_RX_CHAINS]; u8 radio_write; u8 state; }; #define EEPROM_SEM_TIMEOUT 10 /* milliseconds */ #define EEPROM_SEM_RETRY_LIMIT 1000 /* number of attempts (not time) */ #define IL_TRAFFIC_ENTRIES (256) #define IL_TRAFFIC_ENTRY_SIZE (64) enum { MEASUREMENT_READY = (1 << 0), MEASUREMENT_ACTIVE = (1 << 1), }; /* interrupt stats */ struct isr_stats { u32 hw; u32 sw; u32 err_code; u32 sch; u32 alive; u32 rfkill; u32 ctkill; u32 wakeup; u32 rx; u32 handlers[IL_CN_MAX]; u32 tx; u32 unhandled; }; /* management stats */ enum il_mgmt_stats { MANAGEMENT_ASSOC_REQ = 0, MANAGEMENT_ASSOC_RESP, MANAGEMENT_REASSOC_REQ, MANAGEMENT_REASSOC_RESP, MANAGEMENT_PROBE_REQ, MANAGEMENT_PROBE_RESP, MANAGEMENT_BEACON, MANAGEMENT_ATIM, MANAGEMENT_DISASSOC, MANAGEMENT_AUTH, MANAGEMENT_DEAUTH, MANAGEMENT_ACTION, MANAGEMENT_MAX, }; /* control stats */ enum il_ctrl_stats { CONTROL_BACK_REQ = 0, CONTROL_BACK, CONTROL_PSPOLL, CONTROL_RTS, CONTROL_CTS, CONTROL_ACK, CONTROL_CFEND, CONTROL_CFENDACK, CONTROL_MAX, }; struct traffic_stats { #ifdef CONFIG_IWLEGACY_DEBUGFS u32 mgmt[MANAGEMENT_MAX]; u32 ctrl[CONTROL_MAX]; u32 data_cnt; u64 data_bytes; #endif }; /* * host interrupt timeout value * used with setting interrupt coalescing timer * the CSR_INT_COALESCING is an 8 bit register in 32-usec unit * * default interrupt coalescing timer is 64 x 32 = 2048 usecs * default interrupt coalescing calibration timer is 16 x 32 = 512 usecs */ #define IL_HOST_INT_TIMEOUT_MAX (0xFF) #define IL_HOST_INT_TIMEOUT_DEF (0x40) #define IL_HOST_INT_TIMEOUT_MIN (0x0) #define IL_HOST_INT_CALIB_TIMEOUT_MAX (0xFF) #define IL_HOST_INT_CALIB_TIMEOUT_DEF (0x10) #define IL_HOST_INT_CALIB_TIMEOUT_MIN (0x0) #define IL_DELAY_NEXT_FORCE_FW_RELOAD (HZ*5) /* TX queue watchdog timeouts in mSecs */ #define IL_DEF_WD_TIMEOUT (2000) #define IL_LONG_WD_TIMEOUT (10000) #define IL_MAX_WD_TIMEOUT (120000) struct il_force_reset { int reset_request_count; int reset_success_count; int reset_reject_count; unsigned long reset_duration; unsigned long last_force_reset_jiffies; }; /* extend beacon time format bit shifting */ /* * for _3945 devices * bits 31:24 - extended * bits 23:0 - interval */ #define IL3945_EXT_BEACON_TIME_POS 24 /* * for _4965 devices * bits 31:22 - extended * bits 21:0 - interval */ #define IL4965_EXT_BEACON_TIME_POS 22 struct il_rxon_context { struct ieee80211_vif *vif; }; struct il_power_mgr { struct il_powertable_cmd sleep_cmd; struct il_powertable_cmd sleep_cmd_next; int debug_sleep_level_override; bool pci_pm; bool ps_disabled; }; struct il_priv { struct ieee80211_hw *hw; struct ieee80211_channel *ieee_channels; struct ieee80211_rate *ieee_rates; struct il_cfg *cfg; const struct il_ops *ops; #ifdef CONFIG_IWLEGACY_DEBUGFS const struct il_debugfs_ops *debugfs_ops; #endif /* temporary frame storage list */ struct list_head free_frames; int frames_count; enum nl80211_band band; int alloc_rxb_page; void (*handlers[IL_CN_MAX]) (struct il_priv *il, struct il_rx_buf *rxb); struct ieee80211_supported_band bands[NUM_NL80211_BANDS]; /* spectrum measurement report caching */ struct il_spectrum_notification measure_report; u8 measurement_status; /* ucode beacon time */ u32 ucode_beacon_time; int missed_beacon_threshold; /* track IBSS manager (last beacon) status */ u32 ibss_manager; /* force reset */ struct il_force_reset force_reset; /* we allocate array of il_channel_info for NIC's valid channels. * Access via channel # using indirect idx array */ struct il_channel_info *channel_info; /* channel info array */ u8 channel_count; /* # of channels */ /* thermal calibration */ s32 temperature; /* degrees Kelvin */ s32 last_temperature; /* Scan related variables */ unsigned long scan_start; unsigned long scan_start_tsf; void *scan_cmd; enum nl80211_band scan_band; struct cfg80211_scan_request *scan_request; struct ieee80211_vif *scan_vif; u8 scan_tx_ant[NUM_NL80211_BANDS]; u8 mgmt_tx_ant; /* spinlock */ spinlock_t lock; /* protect general shared data */ spinlock_t hcmd_lock; /* protect hcmd */ spinlock_t reg_lock; /* protect hw register access */ struct mutex mutex; /* basic pci-network driver stuff */ struct pci_dev *pci_dev; /* pci hardware address support */ void __iomem *hw_base; u32 hw_rev; u32 hw_wa_rev; u8 rev_id; /* command queue number */ u8 cmd_queue; /* max number of station keys */ u8 sta_key_max_num; /* EEPROM MAC addresses */ struct mac_address addresses[1]; /* uCode images, save to reload in case of failure */ int fw_idx; /* firmware we're trying to load */ u32 ucode_ver; /* version of ucode, copy of il_ucode.ver */ struct fw_desc ucode_code; /* runtime inst */ struct fw_desc ucode_data; /* runtime data original */ struct fw_desc ucode_data_backup; /* runtime data save/restore */ struct fw_desc ucode_init; /* initialization inst */ struct fw_desc ucode_init_data; /* initialization data */ struct fw_desc ucode_boot; /* bootstrap inst */ enum ucode_type ucode_type; u8 ucode_write_complete; /* the image write is complete */ char firmware_name[25]; struct ieee80211_vif *vif; struct il_qos_info qos_data; struct { bool enabled; bool is_40mhz; bool non_gf_sta_present; u8 protection; u8 extension_chan_offset; } ht; /* * We declare this const so it can only be * changed via explicit cast within the * routines that actually update the physical * hardware. */ const struct il_rxon_cmd active; struct il_rxon_cmd staging; struct il_rxon_time_cmd timing; __le16 switch_channel; /* 1st responses from initialize and runtime uCode images. * _4965's initialize alive response contains some calibration data. */ struct il_init_alive_resp card_alive_init; struct il_alive_resp card_alive; u16 active_rate; u8 start_calib; struct il_sensitivity_data sensitivity_data; struct il_chain_noise_data chain_noise_data; __le16 sensitivity_tbl[HD_TBL_SIZE]; struct il_ht_config current_ht_config; /* Rate scaling data */ u8 retry_rate; wait_queue_head_t wait_command_queue; int activity_timer_active; /* Rx and Tx DMA processing queues */ struct il_rx_queue rxq; struct il_tx_queue *txq; unsigned long txq_ctx_active_msk; struct il_dma_ptr kw; /* keep warm address */ struct il_dma_ptr scd_bc_tbls; u32 scd_base_addr; /* scheduler sram base address */ unsigned long status; /* counts mgmt, ctl, and data packets */ struct traffic_stats tx_stats; struct traffic_stats rx_stats; /* counts interrupts */ struct isr_stats isr_stats; struct il_power_mgr power_data; /* context information */ u8 bssid[ETH_ALEN]; /* used only on 3945 but filled by core */ /* station table variables */ /* Note: if lock and sta_lock are needed, lock must be acquired first */ spinlock_t sta_lock; int num_stations; struct il_station_entry stations[IL_STATION_COUNT]; unsigned long ucode_key_table; /* queue refcounts */ #define IL_MAX_HW_QUEUES 32 unsigned long queue_stopped[BITS_TO_LONGS(IL_MAX_HW_QUEUES)]; #define IL_STOP_REASON_PASSIVE 0 unsigned long stop_reason; /* for each AC */ atomic_t queue_stop_count[4]; /* Indication if ieee80211_ops->open has been called */ u8 is_open; u8 mac80211_registered; /* eeprom -- this is in the card's little endian byte order */ u8 *eeprom; struct il_eeprom_calib_info *calib_info; enum nl80211_iftype iw_mode; /* Last Rx'd beacon timestamp */ u64 timestamp; union { #if IS_ENABLED(CONFIG_IWL3945) struct { void *shared_virt; dma_addr_t shared_phys; struct delayed_work thermal_periodic; struct delayed_work rfkill_poll; struct il3945_notif_stats stats; #ifdef CONFIG_IWLEGACY_DEBUGFS struct il3945_notif_stats accum_stats; struct il3945_notif_stats delta_stats; struct il3945_notif_stats max_delta; #endif u32 sta_supp_rates; int last_rx_rssi; /* From Rx packet stats */ /* Rx'd packet timing information */ u32 last_beacon_time; u64 last_tsf; /* * each calibration channel group in the * EEPROM has a derived clip setting for * each rate. */ const struct il3945_clip_group clip_groups[5]; } _3945; #endif #if IS_ENABLED(CONFIG_IWL4965) struct { struct il_rx_phy_res last_phy_res; bool last_phy_res_valid; u32 ampdu_ref; struct completion firmware_loading_complete; /* * chain noise reset and gain commands are the * two extra calibration commands follows the standard * phy calibration commands */ u8 phy_calib_chain_noise_reset_cmd; u8 phy_calib_chain_noise_gain_cmd; u8 key_mapping_keys; struct il_wep_key wep_keys[WEP_KEYS_MAX]; struct il_notif_stats stats; #ifdef CONFIG_IWLEGACY_DEBUGFS struct il_notif_stats accum_stats; struct il_notif_stats delta_stats; struct il_notif_stats max_delta; #endif } _4965; #endif }; struct il_hw_params hw_params; u32 inta_mask; struct workqueue_struct *workqueue; struct work_struct restart; struct work_struct scan_completed; struct work_struct rx_replenish; struct work_struct abort_scan; bool beacon_enabled; struct sk_buff *beacon_skb; struct work_struct tx_flush; struct tasklet_struct irq_tasklet; struct delayed_work init_alive_start; struct delayed_work alive_start; struct delayed_work scan_check; /* TX Power */ s8 tx_power_user_lmt; s8 tx_power_device_lmt; s8 tx_power_next; #ifdef CONFIG_IWLEGACY_DEBUG /* debugging info */ u32 debug_level; /* per device debugging will override global il_debug_level if set */ #endif /* CONFIG_IWLEGACY_DEBUG */ #ifdef CONFIG_IWLEGACY_DEBUGFS /* debugfs */ u16 tx_traffic_idx; u16 rx_traffic_idx; u8 *tx_traffic; u8 *rx_traffic; struct dentry *debugfs_dir; u32 dbgfs_sram_offset, dbgfs_sram_len; bool disable_ht40; #endif /* CONFIG_IWLEGACY_DEBUGFS */ struct work_struct txpower_work; bool disable_sens_cal; bool disable_chain_noise_cal; bool disable_tx_power_cal; struct work_struct run_time_calib_work; struct timer_list stats_periodic; struct timer_list watchdog; bool hw_ready; struct led_classdev led; unsigned long blink_on, blink_off; bool led_registered; }; /*il_priv */ static inline void il_txq_ctx_activate(struct il_priv *il, int txq_id) { set_bit(txq_id, &il->txq_ctx_active_msk); } static inline void il_txq_ctx_deactivate(struct il_priv *il, int txq_id) { clear_bit(txq_id, &il->txq_ctx_active_msk); } static inline int il_is_associated(struct il_priv *il) { return (il->active.filter_flags & RXON_FILTER_ASSOC_MSK) ? 1 : 0; } static inline int il_is_any_associated(struct il_priv *il) { return il_is_associated(il); } static inline int il_is_channel_valid(const struct il_channel_info *ch_info) { if (ch_info == NULL) return 0; return (ch_info->flags & EEPROM_CHANNEL_VALID) ? 1 : 0; } static inline int il_is_channel_radar(const struct il_channel_info *ch_info) { return (ch_info->flags & EEPROM_CHANNEL_RADAR) ? 1 : 0; } static inline u8 il_is_channel_a_band(const struct il_channel_info *ch_info) { return ch_info->band == NL80211_BAND_5GHZ; } static inline int il_is_channel_passive(const struct il_channel_info *ch) { return (!(ch->flags & EEPROM_CHANNEL_ACTIVE)) ? 1 : 0; } static inline int il_is_channel_ibss(const struct il_channel_info *ch) { return (ch->flags & EEPROM_CHANNEL_IBSS) ? 1 : 0; } static inline void __il_free_pages(struct il_priv *il, struct page *page) { __free_pages(page, il->hw_params.rx_page_order); il->alloc_rxb_page--; } static inline void il_free_pages(struct il_priv *il, unsigned long page) { free_pages(page, il->hw_params.rx_page_order); il->alloc_rxb_page--; } #define IWLWIFI_VERSION "in-tree:" #define DRV_COPYRIGHT "Copyright(c) 2003-2011 Intel Corporation" #define DRV_AUTHOR "<ilw@linux.intel.com>" #define IL_PCI_DEVICE(dev, subdev, cfg) \ .vendor = PCI_VENDOR_ID_INTEL, .device = (dev), \ .subvendor = PCI_ANY_ID, .subdevice = (subdev), \ .driver_data = (kernel_ulong_t)&(cfg) #define TIME_UNIT 1024 #define IL_SKU_G 0x1 #define IL_SKU_A 0x2 #define IL_SKU_N 0x8 #define IL_CMD(x) case x: return #x /* Size of one Rx buffer in host DRAM */ #define IL_RX_BUF_SIZE_3K (3 * 1000) /* 3945 only */ #define IL_RX_BUF_SIZE_4K (4 * 1024) #define IL_RX_BUF_SIZE_8K (8 * 1024) #ifdef CONFIG_IWLEGACY_DEBUGFS struct il_debugfs_ops { ssize_t(*rx_stats_read) (struct file *file, char __user *user_buf, size_t count, loff_t *ppos); ssize_t(*tx_stats_read) (struct file *file, char __user *user_buf, size_t count, loff_t *ppos); ssize_t(*general_stats_read) (struct file *file, char __user *user_buf, size_t count, loff_t *ppos); }; #endif struct il_ops { /* Handling TX */ void (*txq_update_byte_cnt_tbl) (struct il_priv *il, struct il_tx_queue *txq, u16 byte_cnt); int (*txq_attach_buf_to_tfd) (struct il_priv *il, struct il_tx_queue *txq, dma_addr_t addr, u16 len, u8 reset, u8 pad); void (*txq_free_tfd) (struct il_priv *il, struct il_tx_queue *txq); int (*txq_init) (struct il_priv *il, struct il_tx_queue *txq); /* alive notification after init uCode load */ void (*init_alive_start) (struct il_priv *il); /* check validity of rtc data address */ int (*is_valid_rtc_data_addr) (u32 addr); /* 1st ucode load */ int (*load_ucode) (struct il_priv *il); void (*dump_nic_error_log) (struct il_priv *il); int (*dump_fh) (struct il_priv *il, char **buf, bool display); int (*set_channel_switch) (struct il_priv *il, struct ieee80211_channel_switch *ch_switch); /* power management */ int (*apm_init) (struct il_priv *il); /* tx power */ int (*send_tx_power) (struct il_priv *il); void (*update_chain_flags) (struct il_priv *il); /* eeprom operations */ int (*eeprom_acquire_semaphore) (struct il_priv *il); void (*eeprom_release_semaphore) (struct il_priv *il); int (*rxon_assoc) (struct il_priv *il); int (*commit_rxon) (struct il_priv *il); void (*set_rxon_chain) (struct il_priv *il); u16(*get_hcmd_size) (u8 cmd_id, u16 len); u16(*build_addsta_hcmd) (const struct il_addsta_cmd *cmd, u8 *data); int (*request_scan) (struct il_priv *il, struct ieee80211_vif *vif); void (*post_scan) (struct il_priv *il); void (*post_associate) (struct il_priv *il); void (*config_ap) (struct il_priv *il); /* station management */ int (*update_bcast_stations) (struct il_priv *il); int (*manage_ibss_station) (struct il_priv *il, struct ieee80211_vif *vif, bool add); int (*send_led_cmd) (struct il_priv *il, struct il_led_cmd *led_cmd); }; struct il_mod_params { int sw_crypto; /* def: 0 = using hardware encryption */ int disable_hw_scan; /* def: 0 = use h/w scan */ int num_of_queues; /* def: HW dependent */ int disable_11n; /* def: 0 = 11n capabilities enabled */ int amsdu_size_8K; /* def: 0 = disable 8K amsdu size */ int antenna; /* def: 0 = both antennas (use diversity) */ int restart_fw; /* def: 1 = restart firmware */ }; #define IL_LED_SOLID 11 #define IL_DEF_LED_INTRVL cpu_to_le32(1000) #define IL_LED_ACTIVITY (0<<1) #define IL_LED_LINK (1<<1) /* * LED mode * IL_LED_DEFAULT: use device default * IL_LED_RF_STATE: turn LED on/off based on RF state * LED ON = RF ON * LED OFF = RF OFF * IL_LED_BLINK: adjust led blink rate based on blink table */ enum il_led_mode { IL_LED_DEFAULT, IL_LED_RF_STATE, IL_LED_BLINK, }; void il_leds_init(struct il_priv *il); void il_leds_exit(struct il_priv *il); /** * struct il_cfg * @fw_name_pre: Firmware filename prefix. The api version and extension * (.ucode) will be added to filename before loading from disk. The * filename is constructed as fw_name_pre<api>.ucode. * @ucode_api_max: Highest version of uCode API supported by driver. * @ucode_api_min: Lowest version of uCode API supported by driver. * @scan_antennas: available antenna for scan operation * @led_mode: 0=blinking, 1=On(RF On)/Off(RF Off) * * We enable the driver to be backward compatible wrt API version. The * driver specifies which APIs it supports (with @ucode_api_max being the * highest and @ucode_api_min the lowest). Firmware will only be loaded if * it has a supported API version. The firmware's API version will be * stored in @il_priv, enabling the driver to make runtime changes based * on firmware version used. * * For example, * if (IL_UCODE_API(il->ucode_ver) >= 2) { * Driver interacts with Firmware API version >= 2. * } else { * Driver interacts with Firmware API version 1. * } * * The ideal usage of this infrastructure is to treat a new ucode API * release as a new hardware revision. That is, through utilizing the * il_hcmd_utils_ops etc. we accommodate different command structures * and flows between hardware versions as well as their API * versions. * */ struct il_cfg { /* params specific to an individual device within a device family */ const char *name; const char *fw_name_pre; const unsigned int ucode_api_max; const unsigned int ucode_api_min; u8 valid_tx_ant; u8 valid_rx_ant; unsigned int sku; u16 eeprom_ver; u16 eeprom_calib_ver; /* module based parameters which can be set from modprobe cmd */ const struct il_mod_params *mod_params; /* params not likely to change within a device family */ struct il_base_params *base_params; /* params likely to change within a device family */ u8 scan_rx_antennas[NUM_NL80211_BANDS]; enum il_led_mode led_mode; int eeprom_size; int num_of_queues; /* def: HW dependent */ int num_of_ampdu_queues; /* def: HW dependent */ /* for il_apm_init() */ u32 pll_cfg_val; bool set_l0s; bool use_bsm; u16 led_compensation; int chain_noise_num_beacons; unsigned int wd_timeout; bool temperature_kelvin; const bool ucode_tracing; const bool sensitivity_calib_by_driver; const bool chain_noise_calib_by_driver; const u32 regulatory_bands[7]; }; /*************************** * L i b * ***************************/ int il_mac_conf_tx(struct ieee80211_hw *hw, struct ieee80211_vif *vif, u16 queue, const struct ieee80211_tx_queue_params *params); int il_mac_tx_last_beacon(struct ieee80211_hw *hw); void il_set_rxon_hwcrypto(struct il_priv *il, int hw_decrypt); int il_check_rxon_cmd(struct il_priv *il); int il_full_rxon_required(struct il_priv *il); int il_set_rxon_channel(struct il_priv *il, struct ieee80211_channel *ch); void il_set_flags_for_band(struct il_priv *il, enum nl80211_band band, struct ieee80211_vif *vif); u8 il_get_single_channel_number(struct il_priv *il, enum nl80211_band band); void il_set_rxon_ht(struct il_priv *il, struct il_ht_config *ht_conf); bool il_is_ht40_tx_allowed(struct il_priv *il, struct ieee80211_sta_ht_cap *ht_cap); void il_connection_init_rx_config(struct il_priv *il); void il_set_rate(struct il_priv *il); int il_set_decrypted_flag(struct il_priv *il, struct ieee80211_hdr *hdr, u32 decrypt_res, struct ieee80211_rx_status *stats); void il_irq_handle_error(struct il_priv *il); int il_mac_add_interface(struct ieee80211_hw *hw, struct ieee80211_vif *vif); void il_mac_remove_interface(struct ieee80211_hw *hw, struct ieee80211_vif *vif); int il_mac_change_interface(struct ieee80211_hw *hw, struct ieee80211_vif *vif, enum nl80211_iftype newtype, bool newp2p); void il_mac_flush(struct ieee80211_hw *hw, struct ieee80211_vif *vif, u32 queues, bool drop); int il_alloc_txq_mem(struct il_priv *il); void il_free_txq_mem(struct il_priv *il); #ifdef CONFIG_IWLEGACY_DEBUGFS void il_update_stats(struct il_priv *il, bool is_tx, __le16 fc, u16 len); #else static inline void il_update_stats(struct il_priv *il, bool is_tx, __le16 fc, u16 len) { } #endif /***************************************************** * Handlers ***************************************************/ void il_hdl_pm_sleep(struct il_priv *il, struct il_rx_buf *rxb); void il_hdl_pm_debug_stats(struct il_priv *il, struct il_rx_buf *rxb); void il_hdl_error(struct il_priv *il, struct il_rx_buf *rxb); void il_hdl_csa(struct il_priv *il, struct il_rx_buf *rxb); /***************************************************** * RX ******************************************************/ void il_cmd_queue_unmap(struct il_priv *il); void il_cmd_queue_free(struct il_priv *il); int il_rx_queue_alloc(struct il_priv *il); void il_rx_queue_update_write_ptr(struct il_priv *il, struct il_rx_queue *q); int il_rx_queue_space(const struct il_rx_queue *q); void il_tx_cmd_complete(struct il_priv *il, struct il_rx_buf *rxb); void il_hdl_spectrum_measurement(struct il_priv *il, struct il_rx_buf *rxb); void il_recover_from_stats(struct il_priv *il, struct il_rx_pkt *pkt); void il_chswitch_done(struct il_priv *il, bool is_success); /***************************************************** * TX ******************************************************/ void il_txq_update_write_ptr(struct il_priv *il, struct il_tx_queue *txq); int il_tx_queue_init(struct il_priv *il, u32 txq_id); void il_tx_queue_reset(struct il_priv *il, u32 txq_id); void il_tx_queue_unmap(struct il_priv *il, int txq_id); void il_tx_queue_free(struct il_priv *il, int txq_id); void il_setup_watchdog(struct il_priv *il); /***************************************************** * TX power ****************************************************/ int il_set_tx_power(struct il_priv *il, s8 tx_power, bool force); /******************************************************************************* * Rate ******************************************************************************/ u8 il_get_lowest_plcp(struct il_priv *il); /******************************************************************************* * Scanning ******************************************************************************/ void il_init_scan_params(struct il_priv *il); int il_scan_cancel(struct il_priv *il); int il_scan_cancel_timeout(struct il_priv *il, unsigned long ms); void il_force_scan_end(struct il_priv *il); int il_mac_hw_scan(struct ieee80211_hw *hw, struct ieee80211_vif *vif, struct ieee80211_scan_request *hw_req); void il_internal_short_hw_scan(struct il_priv *il); int il_force_reset(struct il_priv *il, bool external); u16 il_fill_probe_req(struct il_priv *il, struct ieee80211_mgmt *frame, const u8 *ta, const u8 *ie, int ie_len, int left); void il_setup_rx_scan_handlers(struct il_priv *il); u16 il_get_active_dwell_time(struct il_priv *il, enum nl80211_band band, u8 n_probes); u16 il_get_passive_dwell_time(struct il_priv *il, enum nl80211_band band, struct ieee80211_vif *vif); void il_setup_scan_deferred_work(struct il_priv *il); void il_cancel_scan_deferred_work(struct il_priv *il); /* For faster active scanning, scan will move to the next channel if fewer than * PLCP_QUIET_THRESH packets are heard on this channel within * ACTIVE_QUIET_TIME after sending probe request. This shortens the dwell * time if it's a quiet channel (nothing responded to our probe, and there's * no other traffic). * Disable "quiet" feature by setting PLCP_QUIET_THRESH to 0. */ #define IL_ACTIVE_QUIET_TIME cpu_to_le16(10) /* msec */ #define IL_PLCP_QUIET_THRESH cpu_to_le16(1) /* packets */ #define IL_SCAN_CHECK_WATCHDOG (HZ * 7) /***************************************************** * S e n d i n g H o s t C o m m a n d s * *****************************************************/ const char *il_get_cmd_string(u8 cmd); int __must_check il_send_cmd_sync(struct il_priv *il, struct il_host_cmd *cmd); int il_send_cmd(struct il_priv *il, struct il_host_cmd *cmd); int __must_check il_send_cmd_pdu(struct il_priv *il, u8 id, u16 len, const void *data); int il_send_cmd_pdu_async(struct il_priv *il, u8 id, u16 len, const void *data, void (*callback) (struct il_priv *il, struct il_device_cmd *cmd, struct il_rx_pkt *pkt)); int il_enqueue_hcmd(struct il_priv *il, struct il_host_cmd *cmd); /***************************************************** * PCI * *****************************************************/ void il_bg_watchdog(struct timer_list *t); u32 il_usecs_to_beacons(struct il_priv *il, u32 usec, u32 beacon_interval); __le32 il_add_beacon_time(struct il_priv *il, u32 base, u32 addon, u32 beacon_interval); #ifdef CONFIG_PM_SLEEP extern const struct dev_pm_ops il_pm_ops; #define IL_LEGACY_PM_OPS (&il_pm_ops) #else /* !CONFIG_PM_SLEEP */ #define IL_LEGACY_PM_OPS NULL #endif /* !CONFIG_PM_SLEEP */ /***************************************************** * Error Handling Debugging ******************************************************/ void il4965_dump_nic_error_log(struct il_priv *il); #ifdef CONFIG_IWLEGACY_DEBUG void il_print_rx_config_cmd(struct il_priv *il); #else static inline void il_print_rx_config_cmd(struct il_priv *il) { } #endif void il_clear_isr_stats(struct il_priv *il); /***************************************************** * GEOS ******************************************************/ int il_init_geos(struct il_priv *il); void il_free_geos(struct il_priv *il); /*************** DRIVER STATUS FUNCTIONS *****/ #define S_HCMD_ACTIVE 0 /* host command in progress */ /* 1 is unused (used to be S_HCMD_SYNC_ACTIVE) */ #define S_INT_ENABLED 2 #define S_RFKILL 3 #define S_CT_KILL 4 #define S_INIT 5 #define S_ALIVE 6 #define S_READY 7 #define S_TEMPERATURE 8 #define S_GEO_CONFIGURED 9 #define S_EXIT_PENDING 10 #define S_STATS 12 #define S_SCANNING 13 #define S_SCAN_ABORTING 14 #define S_SCAN_HW 15 #define S_POWER_PMI 16 #define S_FW_ERROR 17 #define S_CHANNEL_SWITCH_PENDING 18 static inline int il_is_ready(struct il_priv *il) { /* The adapter is 'ready' if READY and GEO_CONFIGURED bits are * set but EXIT_PENDING is not */ return test_bit(S_READY, &il->status) && test_bit(S_GEO_CONFIGURED, &il->status) && !test_bit(S_EXIT_PENDING, &il->status); } static inline int il_is_alive(struct il_priv *il) { return test_bit(S_ALIVE, &il->status); } static inline int il_is_init(struct il_priv *il) { return test_bit(S_INIT, &il->status); } static inline int il_is_rfkill(struct il_priv *il) { return test_bit(S_RFKILL, &il->status); } static inline int il_is_ctkill(struct il_priv *il) { return test_bit(S_CT_KILL, &il->status); } static inline int il_is_ready_rf(struct il_priv *il) { if (il_is_rfkill(il)) return 0; return il_is_ready(il); } void il_send_bt_config(struct il_priv *il); int il_send_stats_request(struct il_priv *il, u8 flags, bool clear); void il_apm_stop(struct il_priv *il); void _il_apm_stop(struct il_priv *il); int il_apm_init(struct il_priv *il); int il_send_rxon_timing(struct il_priv *il); static inline int il_send_rxon_assoc(struct il_priv *il) { return il->ops->rxon_assoc(il); } static inline int il_commit_rxon(struct il_priv *il) { return il->ops->commit_rxon(il); } static inline const struct ieee80211_supported_band * il_get_hw_mode(struct il_priv *il, enum nl80211_band band) { return il->hw->wiphy->bands[band]; } /* mac80211 handlers */ int il_mac_config(struct ieee80211_hw *hw, u32 changed); void il_mac_reset_tsf(struct ieee80211_hw *hw, struct ieee80211_vif *vif); void il_mac_bss_info_changed(struct ieee80211_hw *hw, struct ieee80211_vif *vif, struct ieee80211_bss_conf *bss_conf, u32 changes); void il_tx_cmd_protection(struct il_priv *il, struct ieee80211_tx_info *info, __le16 fc, __le32 *tx_flags); irqreturn_t il_isr(int irq, void *data); void il_set_bit(struct il_priv *p, u32 r, u32 m); void il_clear_bit(struct il_priv *p, u32 r, u32 m); bool _il_grab_nic_access(struct il_priv *il); int _il_poll_bit(struct il_priv *il, u32 addr, u32 bits, u32 mask, int timeout); int il_poll_bit(struct il_priv *il, u32 addr, u32 mask, int timeout); u32 il_rd_prph(struct il_priv *il, u32 reg); void il_wr_prph(struct il_priv *il, u32 addr, u32 val); u32 il_read_targ_mem(struct il_priv *il, u32 addr); void il_write_targ_mem(struct il_priv *il, u32 addr, u32 val); static inline bool il_need_reclaim(struct il_priv *il, struct il_rx_pkt *pkt) { /* Reclaim a command buffer only if this packet is a response * to a (driver-originated) command. If the packet (e.g. Rx frame) * originated from uCode, there is no command buffer to reclaim. * Ucode should set SEQ_RX_FRAME bit if ucode-originated, but * apparently a few don't get set; catch them here. */ return !(pkt->hdr.sequence & SEQ_RX_FRAME) && pkt->hdr.cmd != N_STATS && pkt->hdr.cmd != C_TX && pkt->hdr.cmd != N_RX_PHY && pkt->hdr.cmd != N_RX && pkt->hdr.cmd != N_RX_MPDU && pkt->hdr.cmd != N_COMPRESSED_BA; } static inline void _il_write8(struct il_priv *il, u32 ofs, u8 val) { writeb(val, il->hw_base + ofs); } #define il_write8(il, ofs, val) _il_write8(il, ofs, val) static inline void _il_wr(struct il_priv *il, u32 ofs, u32 val) { writel(val, il->hw_base + ofs); } static inline u32 _il_rd(struct il_priv *il, u32 ofs) { return readl(il->hw_base + ofs); } static inline void _il_clear_bit(struct il_priv *il, u32 reg, u32 mask) { _il_wr(il, reg, _il_rd(il, reg) & ~mask); } static inline void _il_set_bit(struct il_priv *il, u32 reg, u32 mask) { _il_wr(il, reg, _il_rd(il, reg) | mask); } static inline void _il_release_nic_access(struct il_priv *il) { _il_clear_bit(il, CSR_GP_CNTRL, CSR_GP_CNTRL_REG_FLAG_MAC_ACCESS_REQ); /* * In above we are reading CSR_GP_CNTRL register, what will flush any * previous writes, but still want write, which clear MAC_ACCESS_REQ * bit, be performed on PCI bus before any other writes scheduled on * different CPUs (after we drop reg_lock). */ mmiowb(); } static inline u32 il_rd(struct il_priv *il, u32 reg) { u32 value; unsigned long reg_flags; spin_lock_irqsave(&il->reg_lock, reg_flags); _il_grab_nic_access(il); value = _il_rd(il, reg); _il_release_nic_access(il); spin_unlock_irqrestore(&il->reg_lock, reg_flags); return value; } static inline void il_wr(struct il_priv *il, u32 reg, u32 value) { unsigned long reg_flags; spin_lock_irqsave(&il->reg_lock, reg_flags); if (likely(_il_grab_nic_access(il))) { _il_wr(il, reg, value); _il_release_nic_access(il); } spin_unlock_irqrestore(&il->reg_lock, reg_flags); } static inline u32 _il_rd_prph(struct il_priv *il, u32 reg) { _il_wr(il, HBUS_TARG_PRPH_RADDR, reg | (3 << 24)); return _il_rd(il, HBUS_TARG_PRPH_RDAT); } static inline void _il_wr_prph(struct il_priv *il, u32 addr, u32 val) { _il_wr(il, HBUS_TARG_PRPH_WADDR, ((addr & 0x0000FFFF) | (3 << 24))); _il_wr(il, HBUS_TARG_PRPH_WDAT, val); } static inline void il_set_bits_prph(struct il_priv *il, u32 reg, u32 mask) { unsigned long reg_flags; spin_lock_irqsave(&il->reg_lock, reg_flags); if (likely(_il_grab_nic_access(il))) { _il_wr_prph(il, reg, (_il_rd_prph(il, reg) | mask)); _il_release_nic_access(il); } spin_unlock_irqrestore(&il->reg_lock, reg_flags); } static inline void il_set_bits_mask_prph(struct il_priv *il, u32 reg, u32 bits, u32 mask) { unsigned long reg_flags; spin_lock_irqsave(&il->reg_lock, reg_flags); if (likely(_il_grab_nic_access(il))) { _il_wr_prph(il, reg, ((_il_rd_prph(il, reg) & mask) | bits)); _il_release_nic_access(il); } spin_unlock_irqrestore(&il->reg_lock, reg_flags); } static inline void il_clear_bits_prph(struct il_priv *il, u32 reg, u32 mask) { unsigned long reg_flags; u32 val; spin_lock_irqsave(&il->reg_lock, reg_flags); if (likely(_il_grab_nic_access(il))) { val = _il_rd_prph(il, reg); _il_wr_prph(il, reg, (val & ~mask)); _il_release_nic_access(il); } spin_unlock_irqrestore(&il->reg_lock, reg_flags); } #define HW_KEY_DYNAMIC 0 #define HW_KEY_DEFAULT 1 #define IL_STA_DRIVER_ACTIVE BIT(0) /* driver entry is active */ #define IL_STA_UCODE_ACTIVE BIT(1) /* ucode entry is active */ #define IL_STA_UCODE_INPROGRESS BIT(2) /* ucode entry is in process of being activated */ #define IL_STA_LOCAL BIT(3) /* station state not directed by mac80211; (this is for the IBSS BSSID stations) */ #define IL_STA_BCAST BIT(4) /* this station is the special bcast station */ void il_restore_stations(struct il_priv *il); void il_clear_ucode_stations(struct il_priv *il); void il_dealloc_bcast_stations(struct il_priv *il); int il_get_free_ucode_key_idx(struct il_priv *il); int il_send_add_sta(struct il_priv *il, struct il_addsta_cmd *sta, u8 flags); int il_add_station_common(struct il_priv *il, const u8 *addr, bool is_ap, struct ieee80211_sta *sta, u8 *sta_id_r); int il_remove_station(struct il_priv *il, const u8 sta_id, const u8 * addr); int il_mac_sta_remove(struct ieee80211_hw *hw, struct ieee80211_vif *vif, struct ieee80211_sta *sta); u8 il_prep_station(struct il_priv *il, const u8 *addr, bool is_ap, struct ieee80211_sta *sta); int il_send_lq_cmd(struct il_priv *il, struct il_link_quality_cmd *lq, u8 flags, bool init); /** * il_clear_driver_stations - clear knowledge of all stations from driver * @il: iwl il struct * * This is called during il_down() to make sure that in the case * we're coming there from a hardware restart mac80211 will be * able to reconfigure stations -- if we're getting there in the * normal down flow then the stations will already be cleared. */ static inline void il_clear_driver_stations(struct il_priv *il) { unsigned long flags; spin_lock_irqsave(&il->sta_lock, flags); memset(il->stations, 0, sizeof(il->stations)); il->num_stations = 0; il->ucode_key_table = 0; spin_unlock_irqrestore(&il->sta_lock, flags); } static inline int il_sta_id(struct ieee80211_sta *sta) { if (WARN_ON(!sta)) return IL_INVALID_STATION; return ((struct il_station_priv_common *)sta->drv_priv)->sta_id; } /** * il_sta_id_or_broadcast - return sta_id or broadcast sta * @il: iwl il * @context: the current context * @sta: mac80211 station * * In certain circumstances mac80211 passes a station pointer * that may be %NULL, for example during TX or key setup. In * that case, we need to use the broadcast station, so this * inline wraps that pattern. */ static inline int il_sta_id_or_broadcast(struct il_priv *il, struct ieee80211_sta *sta) { int sta_id; if (!sta) return il->hw_params.bcast_id; sta_id = il_sta_id(sta); /* * mac80211 should not be passing a partially * initialised station! */ WARN_ON(sta_id == IL_INVALID_STATION); return sta_id; } /** * il_queue_inc_wrap - increment queue idx, wrap back to beginning * @idx -- current idx * @n_bd -- total number of entries in queue (must be power of 2) */ static inline int il_queue_inc_wrap(int idx, int n_bd) { return ++idx & (n_bd - 1); } /** * il_queue_dec_wrap - decrement queue idx, wrap back to end * @idx -- current idx * @n_bd -- total number of entries in queue (must be power of 2) */ static inline int il_queue_dec_wrap(int idx, int n_bd) { return --idx & (n_bd - 1); } /* TODO: Move fw_desc functions to iwl-pci.ko */ static inline void il_free_fw_desc(struct pci_dev *pci_dev, struct fw_desc *desc) { if (desc->v_addr) dma_free_coherent(&pci_dev->dev, desc->len, desc->v_addr, desc->p_addr); desc->v_addr = NULL; desc->len = 0; } static inline int il_alloc_fw_desc(struct pci_dev *pci_dev, struct fw_desc *desc) { if (!desc->len) { desc->v_addr = NULL; return -EINVAL; } desc->v_addr = dma_alloc_coherent(&pci_dev->dev, desc->len, &desc->p_addr, GFP_KERNEL); return (desc->v_addr != NULL) ? 0 : -ENOMEM; } /* * we have 8 bits used like this: * * 7 6 5 4 3 2 1 0 * | | | | | | | | * | | | | | | +-+-------- AC queue (0-3) * | | | | | | * | +-+-+-+-+------------ HW queue ID * | * +---------------------- unused */ static inline void il_set_swq_id(struct il_tx_queue *txq, u8 ac, u8 hwq) { BUG_ON(ac > 3); /* only have 2 bits */ BUG_ON(hwq > 31); /* only use 5 bits */ txq->swq_id = (hwq << 2) | ac; } static inline void _il_wake_queue(struct il_priv *il, u8 ac) { if (atomic_dec_return(&il->queue_stop_count[ac]) <= 0) ieee80211_wake_queue(il->hw, ac); } static inline void _il_stop_queue(struct il_priv *il, u8 ac) { if (atomic_inc_return(&il->queue_stop_count[ac]) > 0) ieee80211_stop_queue(il->hw, ac); } static inline void il_wake_queue(struct il_priv *il, struct il_tx_queue *txq) { u8 queue = txq->swq_id; u8 ac = queue & 3; u8 hwq = (queue >> 2) & 0x1f; if (test_and_clear_bit(hwq, il->queue_stopped)) _il_wake_queue(il, ac); } static inline void il_stop_queue(struct il_priv *il, struct il_tx_queue *txq) { u8 queue = txq->swq_id; u8 ac = queue & 3; u8 hwq = (queue >> 2) & 0x1f; if (!test_and_set_bit(hwq, il->queue_stopped)) _il_stop_queue(il, ac); } static inline void il_wake_queues_by_reason(struct il_priv *il, int reason) { u8 ac; if (test_and_clear_bit(reason, &il->stop_reason)) for (ac = 0; ac < 4; ac++) _il_wake_queue(il, ac); } static inline void il_stop_queues_by_reason(struct il_priv *il, int reason) { u8 ac; if (!test_and_set_bit(reason, &il->stop_reason)) for (ac = 0; ac < 4; ac++) _il_stop_queue(il, ac); } #ifdef ieee80211_stop_queue #undef ieee80211_stop_queue #endif #define ieee80211_stop_queue DO_NOT_USE_ieee80211_stop_queue #ifdef ieee80211_wake_queue #undef ieee80211_wake_queue #endif #define ieee80211_wake_queue DO_NOT_USE_ieee80211_wake_queue static inline void il_disable_interrupts(struct il_priv *il) { clear_bit(S_INT_ENABLED, &il->status); /* disable interrupts from uCode/NIC to host */ _il_wr(il, CSR_INT_MASK, 0x00000000); /* acknowledge/clear/reset any interrupts still pending * from uCode or flow handler (Rx/Tx DMA) */ _il_wr(il, CSR_INT, 0xffffffff); _il_wr(il, CSR_FH_INT_STATUS, 0xffffffff); } static inline void il_enable_rfkill_int(struct il_priv *il) { _il_wr(il, CSR_INT_MASK, CSR_INT_BIT_RF_KILL); } static inline void il_enable_interrupts(struct il_priv *il) { set_bit(S_INT_ENABLED, &il->status); _il_wr(il, CSR_INT_MASK, il->inta_mask); } /** * il_beacon_time_mask_low - mask of lower 32 bit of beacon time * @il -- pointer to il_priv data structure * @tsf_bits -- number of bits need to shift for masking) */ static inline u32 il_beacon_time_mask_low(struct il_priv *il, u16 tsf_bits) { return (1 << tsf_bits) - 1; } /** * il_beacon_time_mask_high - mask of higher 32 bit of beacon time * @il -- pointer to il_priv data structure * @tsf_bits -- number of bits need to shift for masking) */ static inline u32 il_beacon_time_mask_high(struct il_priv *il, u16 tsf_bits) { return ((1 << (32 - tsf_bits)) - 1) << tsf_bits; } /** * struct il_rb_status - reseve buffer status host memory mapped FH registers * * @closed_rb_num [0:11] - Indicates the idx of the RB which was closed * @closed_fr_num [0:11] - Indicates the idx of the RX Frame which was closed * @finished_rb_num [0:11] - Indicates the idx of the current RB * in which the last frame was written to * @finished_fr_num [0:11] - Indicates the idx of the RX Frame * which was transferred */ struct il_rb_status { __le16 closed_rb_num; __le16 closed_fr_num; __le16 finished_rb_num; __le16 finished_fr_nam; __le32 __unused; /* 3945 only */ } __packed; #define TFD_QUEUE_SIZE_MAX 256 #define TFD_QUEUE_SIZE_BC_DUP 64 #define TFD_QUEUE_BC_SIZE (TFD_QUEUE_SIZE_MAX + TFD_QUEUE_SIZE_BC_DUP) #define IL_TX_DMA_MASK DMA_BIT_MASK(36) #define IL_NUM_OF_TBS 20 static inline u8 il_get_dma_hi_addr(dma_addr_t addr) { return (sizeof(addr) > sizeof(u32) ? (addr >> 16) >> 16 : 0) & 0xF; } /** * struct il_tfd_tb transmit buffer descriptor within transmit frame descriptor * * This structure contains dma address and length of transmission address * * @lo: low [31:0] portion of the dma address of TX buffer every even is * unaligned on 16 bit boundary * @hi_n_len: 0-3 [35:32] portion of dma * 4-15 length of the tx buffer */ struct il_tfd_tb { __le32 lo; __le16 hi_n_len; } __packed; /** * struct il_tfd * * Transmit Frame Descriptor (TFD) * * @ __reserved1[3] reserved * @ num_tbs 0-4 number of active tbs * 5 reserved * 6-7 padding (not used) * @ tbs[20] transmit frame buffer descriptors * @ __pad padding * * Each Tx queue uses a circular buffer of 256 TFDs stored in host DRAM. * Both driver and device share these circular buffers, each of which must be * contiguous 256 TFDs x 128 bytes-per-TFD = 32 KBytes * * Driver must indicate the physical address of the base of each * circular buffer via the FH49_MEM_CBBC_QUEUE registers. * * Each TFD contains pointer/size information for up to 20 data buffers * in host DRAM. These buffers collectively contain the (one) frame described * by the TFD. Each buffer must be a single contiguous block of memory within * itself, but buffers may be scattered in host DRAM. Each buffer has max size * of (4K - 4). The concatenates all of a TFD's buffers into a single * Tx frame, up to 8 KBytes in size. * * A maximum of 255 (not 256!) TFDs may be on a queue waiting for Tx. */ struct il_tfd { u8 __reserved1[3]; u8 num_tbs; struct il_tfd_tb tbs[IL_NUM_OF_TBS]; __le32 __pad; } __packed; /* PCI registers */ #define PCI_CFG_RETRY_TIMEOUT 0x041 struct il_rate_info { u8 plcp; /* uCode API: RATE_6M_PLCP, etc. */ u8 plcp_siso; /* uCode API: RATE_SISO_6M_PLCP, etc. */ u8 plcp_mimo2; /* uCode API: RATE_MIMO2_6M_PLCP, etc. */ u8 ieee; /* MAC header: RATE_6M_IEEE, etc. */ u8 prev_ieee; /* previous rate in IEEE speeds */ u8 next_ieee; /* next rate in IEEE speeds */ u8 prev_rs; /* previous rate used in rs algo */ u8 next_rs; /* next rate used in rs algo */ u8 prev_rs_tgg; /* previous rate used in TGG rs algo */ u8 next_rs_tgg; /* next rate used in TGG rs algo */ }; struct il3945_rate_info { u8 plcp; /* uCode API: RATE_6M_PLCP, etc. */ u8 ieee; /* MAC header: RATE_6M_IEEE, etc. */ u8 prev_ieee; /* previous rate in IEEE speeds */ u8 next_ieee; /* next rate in IEEE speeds */ u8 prev_rs; /* previous rate used in rs algo */ u8 next_rs; /* next rate used in rs algo */ u8 prev_rs_tgg; /* previous rate used in TGG rs algo */ u8 next_rs_tgg; /* next rate used in TGG rs algo */ u8 table_rs_idx; /* idx in rate scale table cmd */ u8 prev_table_rs; /* prev in rate table cmd */ }; /* * These serve as idxes into * struct il_rate_info il_rates[RATE_COUNT]; */ enum { RATE_1M_IDX = 0, RATE_2M_IDX, RATE_5M_IDX, RATE_11M_IDX, RATE_6M_IDX, RATE_9M_IDX, RATE_12M_IDX, RATE_18M_IDX, RATE_24M_IDX, RATE_36M_IDX, RATE_48M_IDX, RATE_54M_IDX, RATE_60M_IDX, RATE_COUNT, RATE_COUNT_LEGACY = RATE_COUNT - 1, /* Excluding 60M */ RATE_COUNT_3945 = RATE_COUNT - 1, RATE_INVM_IDX = RATE_COUNT, RATE_INVALID = RATE_COUNT, }; enum { RATE_6M_IDX_TBL = 0, RATE_9M_IDX_TBL, RATE_12M_IDX_TBL, RATE_18M_IDX_TBL, RATE_24M_IDX_TBL, RATE_36M_IDX_TBL, RATE_48M_IDX_TBL, RATE_54M_IDX_TBL, RATE_1M_IDX_TBL, RATE_2M_IDX_TBL, RATE_5M_IDX_TBL, RATE_11M_IDX_TBL, RATE_INVM_IDX_TBL = RATE_INVM_IDX - 1, }; enum { IL_FIRST_OFDM_RATE = RATE_6M_IDX, IL39_LAST_OFDM_RATE = RATE_54M_IDX, IL_LAST_OFDM_RATE = RATE_60M_IDX, IL_FIRST_CCK_RATE = RATE_1M_IDX, IL_LAST_CCK_RATE = RATE_11M_IDX, }; /* #define vs. enum to keep from defaulting to 'large integer' */ #define RATE_6M_MASK (1 << RATE_6M_IDX) #define RATE_9M_MASK (1 << RATE_9M_IDX) #define RATE_12M_MASK (1 << RATE_12M_IDX) #define RATE_18M_MASK (1 << RATE_18M_IDX) #define RATE_24M_MASK (1 << RATE_24M_IDX) #define RATE_36M_MASK (1 << RATE_36M_IDX) #define RATE_48M_MASK (1 << RATE_48M_IDX) #define RATE_54M_MASK (1 << RATE_54M_IDX) #define RATE_60M_MASK (1 << RATE_60M_IDX) #define RATE_1M_MASK (1 << RATE_1M_IDX) #define RATE_2M_MASK (1 << RATE_2M_IDX) #define RATE_5M_MASK (1 << RATE_5M_IDX) #define RATE_11M_MASK (1 << RATE_11M_IDX) /* uCode API values for legacy bit rates, both OFDM and CCK */ enum { RATE_6M_PLCP = 13, RATE_9M_PLCP = 15, RATE_12M_PLCP = 5, RATE_18M_PLCP = 7, RATE_24M_PLCP = 9, RATE_36M_PLCP = 11, RATE_48M_PLCP = 1, RATE_54M_PLCP = 3, RATE_60M_PLCP = 3, /*FIXME:RS:should be removed */ RATE_1M_PLCP = 10, RATE_2M_PLCP = 20, RATE_5M_PLCP = 55, RATE_11M_PLCP = 110, /*FIXME:RS:add RATE_LEGACY_INVM_PLCP = 0, */ }; /* uCode API values for OFDM high-throughput (HT) bit rates */ enum { RATE_SISO_6M_PLCP = 0, RATE_SISO_12M_PLCP = 1, RATE_SISO_18M_PLCP = 2, RATE_SISO_24M_PLCP = 3, RATE_SISO_36M_PLCP = 4, RATE_SISO_48M_PLCP = 5, RATE_SISO_54M_PLCP = 6, RATE_SISO_60M_PLCP = 7, RATE_MIMO2_6M_PLCP = 0x8, RATE_MIMO2_12M_PLCP = 0x9, RATE_MIMO2_18M_PLCP = 0xa, RATE_MIMO2_24M_PLCP = 0xb, RATE_MIMO2_36M_PLCP = 0xc, RATE_MIMO2_48M_PLCP = 0xd, RATE_MIMO2_54M_PLCP = 0xe, RATE_MIMO2_60M_PLCP = 0xf, RATE_SISO_INVM_PLCP, RATE_MIMO2_INVM_PLCP = RATE_SISO_INVM_PLCP, }; /* MAC header values for bit rates */ enum { RATE_6M_IEEE = 12, RATE_9M_IEEE = 18, RATE_12M_IEEE = 24, RATE_18M_IEEE = 36, RATE_24M_IEEE = 48, RATE_36M_IEEE = 72, RATE_48M_IEEE = 96, RATE_54M_IEEE = 108, RATE_60M_IEEE = 120, RATE_1M_IEEE = 2, RATE_2M_IEEE = 4, RATE_5M_IEEE = 11, RATE_11M_IEEE = 22, }; #define IL_CCK_BASIC_RATES_MASK \ (RATE_1M_MASK | \ RATE_2M_MASK) #define IL_CCK_RATES_MASK \ (IL_CCK_BASIC_RATES_MASK | \ RATE_5M_MASK | \ RATE_11M_MASK) #define IL_OFDM_BASIC_RATES_MASK \ (RATE_6M_MASK | \ RATE_12M_MASK | \ RATE_24M_MASK) #define IL_OFDM_RATES_MASK \ (IL_OFDM_BASIC_RATES_MASK | \ RATE_9M_MASK | \ RATE_18M_MASK | \ RATE_36M_MASK | \ RATE_48M_MASK | \ RATE_54M_MASK) #define IL_BASIC_RATES_MASK \ (IL_OFDM_BASIC_RATES_MASK | \ IL_CCK_BASIC_RATES_MASK) #define RATES_MASK ((1 << RATE_COUNT) - 1) #define RATES_MASK_3945 ((1 << RATE_COUNT_3945) - 1) #define IL_INVALID_VALUE -1 #define IL_MIN_RSSI_VAL -100 #define IL_MAX_RSSI_VAL 0 /* These values specify how many Tx frame attempts before * searching for a new modulation mode */ #define IL_LEGACY_FAILURE_LIMIT 160 #define IL_LEGACY_SUCCESS_LIMIT 480 #define IL_LEGACY_TBL_COUNT 160 #define IL_NONE_LEGACY_FAILURE_LIMIT 400 #define IL_NONE_LEGACY_SUCCESS_LIMIT 4500 #define IL_NONE_LEGACY_TBL_COUNT 1500 /* Success ratio (ACKed / attempted tx frames) values (perfect is 128 * 100) */ #define IL_RS_GOOD_RATIO 12800 /* 100% */ #define RATE_SCALE_SWITCH 10880 /* 85% */ #define RATE_HIGH_TH 10880 /* 85% */ #define RATE_INCREASE_TH 6400 /* 50% */ #define RATE_DECREASE_TH 1920 /* 15% */ /* possible actions when in legacy mode */ #define IL_LEGACY_SWITCH_ANTENNA1 0 #define IL_LEGACY_SWITCH_ANTENNA2 1 #define IL_LEGACY_SWITCH_SISO 2 #define IL_LEGACY_SWITCH_MIMO2_AB 3 #define IL_LEGACY_SWITCH_MIMO2_AC 4 #define IL_LEGACY_SWITCH_MIMO2_BC 5 /* possible actions when in siso mode */ #define IL_SISO_SWITCH_ANTENNA1 0 #define IL_SISO_SWITCH_ANTENNA2 1 #define IL_SISO_SWITCH_MIMO2_AB 2 #define IL_SISO_SWITCH_MIMO2_AC 3 #define IL_SISO_SWITCH_MIMO2_BC 4 #define IL_SISO_SWITCH_GI 5 /* possible actions when in mimo mode */ #define IL_MIMO2_SWITCH_ANTENNA1 0 #define IL_MIMO2_SWITCH_ANTENNA2 1 #define IL_MIMO2_SWITCH_SISO_A 2 #define IL_MIMO2_SWITCH_SISO_B 3 #define IL_MIMO2_SWITCH_SISO_C 4 #define IL_MIMO2_SWITCH_GI 5 #define IL_MAX_SEARCH IL_MIMO2_SWITCH_GI #define IL_ACTION_LIMIT 3 /* # possible actions */ #define LQ_SIZE 2 /* 2 mode tables: "Active" and "Search" */ /* load per tid defines for A-MPDU activation */ #define IL_AGG_TPT_THREHOLD 0 #define IL_AGG_LOAD_THRESHOLD 10 #define IL_AGG_ALL_TID 0xff #define TID_QUEUE_CELL_SPACING 50 /*mS */ #define TID_QUEUE_MAX_SIZE 20 #define TID_ROUND_VALUE 5 /* mS */ #define TID_MAX_LOAD_COUNT 8 #define TID_MAX_TIME_DIFF ((TID_QUEUE_MAX_SIZE - 1) * TID_QUEUE_CELL_SPACING) #define TIME_WRAP_AROUND(x, y) (((y) > (x)) ? (y) - (x) : (0-(x)) + (y)) extern const struct il_rate_info il_rates[RATE_COUNT]; enum il_table_type { LQ_NONE, LQ_G, /* legacy types */ LQ_A, LQ_SISO, /* high-throughput types */ LQ_MIMO2, LQ_MAX, }; #define is_legacy(tbl) ((tbl) == LQ_G || (tbl) == LQ_A) #define is_siso(tbl) ((tbl) == LQ_SISO) #define is_mimo2(tbl) ((tbl) == LQ_MIMO2) #define is_mimo(tbl) (is_mimo2(tbl)) #define is_Ht(tbl) (is_siso(tbl) || is_mimo(tbl)) #define is_a_band(tbl) ((tbl) == LQ_A) #define is_g_and(tbl) ((tbl) == LQ_G) #define ANT_NONE 0x0 #define ANT_A BIT(0) #define ANT_B BIT(1) #define ANT_AB (ANT_A | ANT_B) #define ANT_C BIT(2) #define ANT_AC (ANT_A | ANT_C) #define ANT_BC (ANT_B | ANT_C) #define ANT_ABC (ANT_AB | ANT_C) #define IL_MAX_MCS_DISPLAY_SIZE 12 struct il_rate_mcs_info { char mbps[IL_MAX_MCS_DISPLAY_SIZE]; char mcs[IL_MAX_MCS_DISPLAY_SIZE]; }; /** * struct il_rate_scale_data -- tx success history for one rate */ struct il_rate_scale_data { u64 data; /* bitmap of successful frames */ s32 success_counter; /* number of frames successful */ s32 success_ratio; /* per-cent * 128 */ s32 counter; /* number of frames attempted */ s32 average_tpt; /* success ratio * expected throughput */ unsigned long stamp; }; /** * struct il_scale_tbl_info -- tx params and success history for all rates * * There are two of these in struct il_lq_sta, * one for "active", and one for "search". */ struct il_scale_tbl_info { enum il_table_type lq_type; u8 ant_type; u8 is_SGI; /* 1 = short guard interval */ u8 is_ht40; /* 1 = 40 MHz channel width */ u8 is_dup; /* 1 = duplicated data streams */ u8 action; /* change modulation; IL_[LEGACY/SISO/MIMO]_SWITCH_* */ u8 max_search; /* maximun number of tables we can search */ s32 *expected_tpt; /* throughput metrics; expected_tpt_G, etc. */ u32 current_rate; /* rate_n_flags, uCode API format */ struct il_rate_scale_data win[RATE_COUNT]; /* rate histories */ }; struct il_traffic_load { unsigned long time_stamp; /* age of the oldest stats */ u32 packet_count[TID_QUEUE_MAX_SIZE]; /* packet count in this time * slice */ u32 total; /* total num of packets during the * last TID_MAX_TIME_DIFF */ u8 queue_count; /* number of queues that has * been used since the last cleanup */ u8 head; /* start of the circular buffer */ }; /** * struct il_lq_sta -- driver's rate scaling ilate structure * * Pointer to this gets passed back and forth between driver and mac80211. */ struct il_lq_sta { u8 active_tbl; /* idx of active table, range 0-1 */ u8 enable_counter; /* indicates HT mode */ u8 stay_in_tbl; /* 1: disallow, 0: allow search for new mode */ u8 search_better_tbl; /* 1: currently trying alternate mode */ s32 last_tpt; /* The following determine when to search for a new mode */ u32 table_count_limit; u32 max_failure_limit; /* # failed frames before new search */ u32 max_success_limit; /* # successful frames before new search */ u32 table_count; u32 total_failed; /* total failed frames, any/all rates */ u32 total_success; /* total successful frames, any/all rates */ u64 flush_timer; /* time staying in mode before new search */ u8 action_counter; /* # mode-switch actions tried */ u8 is_green; u8 is_dup; enum nl80211_band band; /* The following are bitmaps of rates; RATE_6M_MASK, etc. */ u32 supp_rates; u16 active_legacy_rate; u16 active_siso_rate; u16 active_mimo2_rate; s8 max_rate_idx; /* Max rate set by user */ u8 missed_rate_counter; struct il_link_quality_cmd lq; struct il_scale_tbl_info lq_info[LQ_SIZE]; /* "active", "search" */ struct il_traffic_load load[TID_MAX_LOAD_COUNT]; u8 tx_agg_tid_en; #ifdef CONFIG_MAC80211_DEBUGFS struct dentry *rs_sta_dbgfs_scale_table_file; struct dentry *rs_sta_dbgfs_stats_table_file; struct dentry *rs_sta_dbgfs_rate_scale_data_file; struct dentry *rs_sta_dbgfs_tx_agg_tid_en_file; u32 dbg_fixed_rate; #endif struct il_priv *drv; /* used to be in sta_info */ int last_txrate_idx; /* last tx rate_n_flags */ u32 last_rate_n_flags; /* packets destined for this STA are aggregated */ u8 is_agg; }; /* * il_station_priv: Driver's ilate station information * * When mac80211 creates a station it reserves some space (hw->sta_data_size) * in the structure for use by driver. This structure is places in that * space. * * The common struct MUST be first because it is shared between * 3945 and 4965! */ struct il_station_priv { struct il_station_priv_common common; struct il_lq_sta lq_sta; atomic_t pending_frames; bool client; bool asleep; }; static inline u8 il4965_num_of_ant(u8 m) { return !!(m & ANT_A) + !!(m & ANT_B) + !!(m & ANT_C); } static inline u8 il4965_first_antenna(u8 mask) { if (mask & ANT_A) return ANT_A; if (mask & ANT_B) return ANT_B; return ANT_C; } /** * il3945_rate_scale_init - Initialize the rate scale table based on assoc info * * The specific throughput table used is based on the type of network * the associated with, including A, B, G, and G w/ TGG protection */ void il3945_rate_scale_init(struct ieee80211_hw *hw, s32 sta_id); /* Initialize station's rate scaling information after adding station */ void il4965_rs_rate_init(struct il_priv *il, struct ieee80211_sta *sta, u8 sta_id); void il3945_rs_rate_init(struct il_priv *il, struct ieee80211_sta *sta, u8 sta_id); /** * il_rate_control_register - Register the rate control algorithm callbacks * * Since the rate control algorithm is hardware specific, there is no need * or reason to place it as a stand alone module. The driver can call * il_rate_control_register in order to register the rate control callbacks * with the mac80211 subsystem. This should be performed prior to calling * ieee80211_register_hw * */ int il4965_rate_control_register(void); int il3945_rate_control_register(void); /** * il_rate_control_unregister - Unregister the rate control callbacks * * This should be called after calling ieee80211_unregister_hw, but before * the driver is unloaded. */ void il4965_rate_control_unregister(void); void il3945_rate_control_unregister(void); int il_power_update_mode(struct il_priv *il, bool force); void il_power_initialize(struct il_priv *il); extern u32 il_debug_level; #ifdef CONFIG_IWLEGACY_DEBUG /* * il_get_debug_level: Return active debug level for device * * Using sysfs it is possible to set per device debug level. This debug * level will be used if set, otherwise the global debug level which can be * set via module parameter is used. */ static inline u32 il_get_debug_level(struct il_priv *il) { if (il->debug_level) return il->debug_level; else return il_debug_level; } #else static inline u32 il_get_debug_level(struct il_priv *il) { return il_debug_level; } #endif #define il_print_hex_error(il, p, len) \ do { \ print_hex_dump(KERN_ERR, "iwl data: ", \ DUMP_PREFIX_OFFSET, 16, 1, p, len, 1); \ } while (0) #ifdef CONFIG_IWLEGACY_DEBUG #define IL_DBG(level, fmt, args...) \ do { \ if (il_get_debug_level(il) & level) \ dev_err(&il->hw->wiphy->dev, "%c %s " fmt, \ in_interrupt() ? 'I' : 'U', __func__ , ##args); \ } while (0) #define il_print_hex_dump(il, level, p, len) \ do { \ if (il_get_debug_level(il) & level) \ print_hex_dump(KERN_DEBUG, "iwl data: ", \ DUMP_PREFIX_OFFSET, 16, 1, p, len, 1); \ } while (0) #else #define IL_DBG(level, fmt, args...) static inline void il_print_hex_dump(struct il_priv *il, int level, const void *p, u32 len) { } #endif /* CONFIG_IWLEGACY_DEBUG */ #ifdef CONFIG_IWLEGACY_DEBUGFS int il_dbgfs_register(struct il_priv *il, const char *name); void il_dbgfs_unregister(struct il_priv *il); #else static inline int il_dbgfs_register(struct il_priv *il, const char *name) { return 0; } static inline void il_dbgfs_unregister(struct il_priv *il) { } #endif /* CONFIG_IWLEGACY_DEBUGFS */ /* * To use the debug system: * * If you are defining a new debug classification, simply add it to the #define * list here in the form of * * #define IL_DL_xxxx VALUE * * where xxxx should be the name of the classification (for example, WEP). * * You then need to either add a IL_xxxx_DEBUG() macro definition for your * classification, or use IL_DBG(IL_DL_xxxx, ...) whenever you want * to send output to that classification. * * The active debug levels can be accessed via files * * /sys/module/iwl4965/parameters/debug * /sys/module/iwl3945/parameters/debug * /sys/class/net/wlan0/device/debug_level * * when CONFIG_IWLEGACY_DEBUG=y. */ /* 0x0000000F - 0x00000001 */ #define IL_DL_INFO (1 << 0) #define IL_DL_MAC80211 (1 << 1) #define IL_DL_HCMD (1 << 2) #define IL_DL_STATE (1 << 3) /* 0x000000F0 - 0x00000010 */ #define IL_DL_MACDUMP (1 << 4) #define IL_DL_HCMD_DUMP (1 << 5) #define IL_DL_EEPROM (1 << 6) #define IL_DL_RADIO (1 << 7) /* 0x00000F00 - 0x00000100 */ #define IL_DL_POWER (1 << 8) #define IL_DL_TEMP (1 << 9) #define IL_DL_NOTIF (1 << 10) #define IL_DL_SCAN (1 << 11) /* 0x0000F000 - 0x00001000 */ #define IL_DL_ASSOC (1 << 12) #define IL_DL_DROP (1 << 13) #define IL_DL_TXPOWER (1 << 14) #define IL_DL_AP (1 << 15) /* 0x000F0000 - 0x00010000 */ #define IL_DL_FW (1 << 16) #define IL_DL_RF_KILL (1 << 17) #define IL_DL_FW_ERRORS (1 << 18) #define IL_DL_LED (1 << 19) /* 0x00F00000 - 0x00100000 */ #define IL_DL_RATE (1 << 20) #define IL_DL_CALIB (1 << 21) #define IL_DL_WEP (1 << 22) #define IL_DL_TX (1 << 23) /* 0x0F000000 - 0x01000000 */ #define IL_DL_RX (1 << 24) #define IL_DL_ISR (1 << 25) #define IL_DL_HT (1 << 26) /* 0xF0000000 - 0x10000000 */ #define IL_DL_11H (1 << 28) #define IL_DL_STATS (1 << 29) #define IL_DL_TX_REPLY (1 << 30) #define IL_DL_QOS (1 << 31) #define D_INFO(f, a...) IL_DBG(IL_DL_INFO, f, ## a) #define D_MAC80211(f, a...) IL_DBG(IL_DL_MAC80211, f, ## a) #define D_MACDUMP(f, a...) IL_DBG(IL_DL_MACDUMP, f, ## a) #define D_TEMP(f, a...) IL_DBG(IL_DL_TEMP, f, ## a) #define D_SCAN(f, a...) IL_DBG(IL_DL_SCAN, f, ## a) #define D_RX(f, a...) IL_DBG(IL_DL_RX, f, ## a) #define D_TX(f, a...) IL_DBG(IL_DL_TX, f, ## a) #define D_ISR(f, a...) IL_DBG(IL_DL_ISR, f, ## a) #define D_LED(f, a...) IL_DBG(IL_DL_LED, f, ## a) #define D_WEP(f, a...) IL_DBG(IL_DL_WEP, f, ## a) #define D_HC(f, a...) IL_DBG(IL_DL_HCMD, f, ## a) #define D_HC_DUMP(f, a...) IL_DBG(IL_DL_HCMD_DUMP, f, ## a) #define D_EEPROM(f, a...) IL_DBG(IL_DL_EEPROM, f, ## a) #define D_CALIB(f, a...) IL_DBG(IL_DL_CALIB, f, ## a) #define D_FW(f, a...) IL_DBG(IL_DL_FW, f, ## a) #define D_RF_KILL(f, a...) IL_DBG(IL_DL_RF_KILL, f, ## a) #define D_DROP(f, a...) IL_DBG(IL_DL_DROP, f, ## a) #define D_AP(f, a...) IL_DBG(IL_DL_AP, f, ## a) #define D_TXPOWER(f, a...) IL_DBG(IL_DL_TXPOWER, f, ## a) #define D_RATE(f, a...) IL_DBG(IL_DL_RATE, f, ## a) #define D_NOTIF(f, a...) IL_DBG(IL_DL_NOTIF, f, ## a) #define D_ASSOC(f, a...) IL_DBG(IL_DL_ASSOC, f, ## a) #define D_HT(f, a...) IL_DBG(IL_DL_HT, f, ## a) #define D_STATS(f, a...) IL_DBG(IL_DL_STATS, f, ## a) #define D_TX_REPLY(f, a...) IL_DBG(IL_DL_TX_REPLY, f, ## a) #define D_QOS(f, a...) IL_DBG(IL_DL_QOS, f, ## a) #define D_RADIO(f, a...) IL_DBG(IL_DL_RADIO, f, ## a) #define D_POWER(f, a...) IL_DBG(IL_DL_POWER, f, ## a) #define D_11H(f, a...) IL_DBG(IL_DL_11H, f, ## a) #endif /* __il_core_h__ */
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