| /****************************************************************************** |
| * |
| * Copyright(c) 2003 - 2008 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: |
| * James P. Ketrenos <ipw2100-admin@linux.intel.com> |
| * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497 |
| * |
| *****************************************************************************/ |
| /* |
| * Please use this file (iwl-dev.h) for driver implementation definitions. |
| * Please use iwl-commands.h for uCode API definitions. |
| * Please use iwl-4965-hw.h for hardware-related definitions. |
| */ |
| |
| #ifndef __iwl_4965_h__ |
| #define __iwl_4965_h__ |
| |
| #include <linux/pci.h> /* for struct pci_device_id */ |
| #include <linux/kernel.h> |
| #include <net/ieee80211_radiotap.h> |
| |
| #define DRV_NAME "iwl4965" |
| #include "iwl-rfkill.h" |
| #include "iwl-eeprom.h" |
| #include "iwl-4965-hw.h" |
| #include "iwl-csr.h" |
| #include "iwl-prph.h" |
| #include "iwl-debug.h" |
| #include "iwl-led.h" |
| #include "iwl-power.h" |
| |
| /* configuration for the iwl4965 */ |
| extern struct iwl_cfg iwl4965_agn_cfg; |
| extern struct iwl_cfg iwl5300_agn_cfg; |
| extern struct iwl_cfg iwl5100_agn_cfg; |
| extern struct iwl_cfg iwl5350_agn_cfg; |
| |
| /* Change firmware file name, using "-" and incrementing number, |
| * *only* when uCode interface or architecture changes so that it |
| * is not compatible with earlier drivers. |
| * This number will also appear in << 8 position of 1st dword of uCode file */ |
| #define IWL4965_UCODE_API "-1" |
| |
| /* CT-KILL constants */ |
| #define CT_KILL_THRESHOLD 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 statistics 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 IWL_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 iwl_rx_mem_buffer { |
| dma_addr_t dma_addr; |
| struct sk_buff *skb; |
| struct list_head list; |
| }; |
| |
| /* |
| * Generic queue structure |
| * |
| * Contains common data for Rx and Tx queues |
| */ |
| struct iwl_queue { |
| int n_bd; /* number of BDs in this queue */ |
| int write_ptr; /* 1-st empty entry (index) host_w*/ |
| int read_ptr; /* last used entry (index) host_r*/ |
| dma_addr_t dma_addr; /* physical addr for BD's */ |
| int n_window; /* safe queue window */ |
| 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 */ |
| } __attribute__ ((packed)); |
| |
| #define MAX_NUM_OF_TBS (20) |
| |
| /* One for each TFD */ |
| struct iwl_tx_info { |
| struct sk_buff *skb[MAX_NUM_OF_TBS]; |
| }; |
| |
| /** |
| * struct iwl_tx_queue - Tx Queue for DMA |
| * @q: generic Rx/Tx queue descriptor |
| * @bd: base of circular buffer of TFDs |
| * @cmd: array of command/Tx buffers |
| * @dma_addr_cmd: physical address of cmd/tx buffer array |
| * @txb: array of per-TFD driver data |
| * @need_update: indicates need to update read/write index |
| * @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. |
| */ |
| struct iwl_tx_queue { |
| struct iwl_queue q; |
| struct iwl_tfd_frame *bd; |
| struct iwl_cmd *cmd; |
| dma_addr_t dma_addr_cmd; |
| struct iwl_tx_info *txb; |
| int need_update; |
| int sched_retry; |
| int active; |
| }; |
| |
| #define IWL_NUM_SCAN_RATES (2) |
| |
| struct iwl4965_channel_tgd_info { |
| u8 type; |
| s8 max_power; |
| }; |
| |
| struct iwl4965_channel_tgh_info { |
| s64 last_radar_time; |
| }; |
| |
| /* 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 index must also be set. */ |
| struct iwl4965_channel_power_info { |
| struct iwl4965_tx_power tpc; /* actual radio and DSP gain settings */ |
| s8 power_table_index; /* actual (compenst'd) index into gain table */ |
| s8 base_power_index; /* gain index 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 iwl4965_scan_power_info { |
| struct iwl4965_tx_power tpc; /* actual radio and DSP gain settings */ |
| s8 power_table_index; /* actual (compenst'd) index 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! |
| */ |
| #define IWL4965_MAX_RATE (33) |
| |
| struct iwl_channel_info { |
| struct iwl4965_channel_tgd_info tgd; |
| struct iwl4965_channel_tgh_info tgh; |
| struct iwl_eeprom_channel eeprom; /* EEPROM regulatory limit */ |
| struct iwl_eeprom_channel fat_eeprom; /* EEPROM regulatory limit for |
| * FAT 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_index; /* 0-4, maps channel to group1/2/3/4/5 */ |
| u8 band_index; /* 0-4, maps channel to band1/2/3/4/5 */ |
| enum ieee80211_band band; |
| |
| /* 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 (indexes). */ |
| struct iwl4965_channel_power_info power_info[IWL4965_MAX_RATE]; |
| |
| /* FAT channel info */ |
| s8 fat_max_power_avg; /* (dBm) regul. eeprom, normal Tx, any rate */ |
| s8 fat_curr_txpow; /* (dBm) regulatory/spectrum/user (not h/w) */ |
| s8 fat_min_power; /* always 0 */ |
| s8 fat_scan_power; /* (dBm) eeprom, direct scans, any rate */ |
| u8 fat_flags; /* flags copied from EEPROM */ |
| u8 fat_extension_channel; /* HT_IE_EXT_CHANNEL_* */ |
| |
| /* Radio/DSP gain settings for each scan rate, for directed scans. */ |
| struct iwl4965_scan_power_info scan_pwr_info[IWL_NUM_SCAN_RATES]; |
| }; |
| |
| struct iwl4965_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[IWL_MAX_RATES]; |
| }; |
| |
| #include "iwl-4965-rs.h" |
| |
| #define IWL_TX_FIFO_AC0 0 |
| #define IWL_TX_FIFO_AC1 1 |
| #define IWL_TX_FIFO_AC2 2 |
| #define IWL_TX_FIFO_AC3 3 |
| #define IWL_TX_FIFO_HCCA_1 5 |
| #define IWL_TX_FIFO_HCCA_2 6 |
| #define IWL_TX_FIFO_NONE 7 |
| |
| /* Minimum number of queues. MAX_NUM is defined in hw specific files */ |
| #define IWL_MIN_NUM_QUEUES 4 |
| |
| /* Power management (not Tx power) structures */ |
| |
| enum iwl_pwr_src { |
| IWL_PWR_SRC_VMAIN, |
| IWL_PWR_SRC_VAUX, |
| }; |
| |
| #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 iwl_frame { |
| union { |
| struct ieee80211_hdr frame; |
| struct iwl4965_tx_beacon_cmd beacon; |
| u8 raw[IEEE80211_FRAME_LEN]; |
| u8 cmd[360]; |
| } u; |
| struct list_head list; |
| }; |
| |
| #define SEQ_TO_QUEUE(x) ((x >> 8) & 0xbf) |
| #define QUEUE_TO_SEQ(x) ((x & 0xbf) << 8) |
| #define SEQ_TO_INDEX(x) ((u8)(x & 0xff)) |
| #define INDEX_TO_SEQ(x) ((u8)(x & 0xff)) |
| #define SEQ_HUGE_FRAME (0x4000) |
| #define SEQ_RX_FRAME __constant_cpu_to_le16(0x8000) |
| #define SEQ_TO_SN(seq) (((seq) & IEEE80211_SCTL_SEQ) >> 4) |
| #define SN_TO_SEQ(ssn) (((ssn) << 4) & IEEE80211_SCTL_SEQ) |
| #define MAX_SN ((IEEE80211_SCTL_SEQ) >> 4) |
| |
| enum { |
| /* CMD_SIZE_NORMAL = 0, */ |
| CMD_SIZE_HUGE = (1 << 0), |
| /* CMD_SYNC = 0, */ |
| CMD_ASYNC = (1 << 1), |
| /* CMD_NO_SKB = 0, */ |
| CMD_WANT_SKB = (1 << 2), |
| }; |
| |
| struct iwl_cmd; |
| struct iwl_priv; |
| |
| struct iwl_cmd_meta { |
| struct iwl_cmd_meta *source; |
| union { |
| struct sk_buff *skb; |
| int (*callback)(struct iwl_priv *priv, |
| struct iwl_cmd *cmd, struct sk_buff *skb); |
| } __attribute__ ((packed)) u; |
| |
| /* The CMD_SIZE_HUGE flag bit indicates that the command |
| * structure is stored at the end of the shared queue memory. */ |
| u32 flags; |
| |
| } __attribute__ ((packed)); |
| |
| #define IWL_CMD_MAX_PAYLOAD 320 |
| |
| /** |
| * struct iwl_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 iwl_cmd { |
| struct iwl_cmd_meta meta; /* driver data */ |
| struct iwl_cmd_header hdr; /* uCode API */ |
| union { |
| struct iwl_addsta_cmd addsta; |
| struct iwl4965_led_cmd led; |
| u32 flags; |
| u8 val8; |
| u16 val16; |
| u32 val32; |
| struct iwl4965_bt_cmd bt; |
| struct iwl4965_rxon_time_cmd rxon_time; |
| struct iwl4965_powertable_cmd powertable; |
| struct iwl4965_qosparam_cmd qosparam; |
| struct iwl_tx_cmd tx; |
| struct iwl4965_tx_beacon_cmd tx_beacon; |
| struct iwl4965_rxon_assoc_cmd rxon_assoc; |
| struct iwl_rem_sta_cmd rm_sta; |
| u8 *indirect; |
| u8 payload[IWL_CMD_MAX_PAYLOAD]; |
| } __attribute__ ((packed)) cmd; |
| } __attribute__ ((packed)); |
| |
| struct iwl_host_cmd { |
| u8 id; |
| u16 len; |
| struct iwl_cmd_meta meta; |
| const void *data; |
| }; |
| |
| #define TFD_MAX_PAYLOAD_SIZE (sizeof(struct iwl_cmd) - \ |
| sizeof(struct iwl_cmd_meta)) |
| |
| /* |
| * RX related structures and functions |
| */ |
| #define RX_FREE_BUFFERS 64 |
| #define RX_LOW_WATERMARK 8 |
| |
| #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 iwl_rx_queue - Rx queue |
| * @processed: Internal index to last handled Rx packet |
| * @read: Shared index to newest available Rx buffer |
| * @write: Shared index 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 index |
| * |
| * NOTE: rx_free and rx_used are used as a FIFO for iwl_rx_mem_buffers |
| */ |
| struct iwl_rx_queue { |
| __le32 *bd; |
| dma_addr_t dma_addr; |
| struct iwl_rx_mem_buffer pool[RX_QUEUE_SIZE + RX_FREE_BUFFERS]; |
| struct iwl_rx_mem_buffer *queue[RX_QUEUE_SIZE]; |
| u32 processed; |
| u32 read; |
| u32 write; |
| u32 free_count; |
| struct list_head rx_free; |
| struct list_head rx_used; |
| int need_update; |
| spinlock_t lock; |
| }; |
| |
| #define IWL_SUPPORTED_RATES_IE_LEN 8 |
| |
| #define SCAN_INTERVAL 100 |
| |
| #define MAX_A_CHANNELS 252 |
| #define MIN_A_CHANNELS 7 |
| |
| #define MAX_B_CHANNELS 14 |
| #define MIN_B_CHANNELS 1 |
| |
| #define MAX_TID_COUNT 9 |
| |
| #define IWL_INVALID_RATE 0xFF |
| #define IWL_INVALID_VALUE -1 |
| |
| /** |
| * struct iwl_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 window |
| * @bitmap0: Low order bitmap, one bit for each frame pending ACK in Tx window |
| * @bitmap1: High order, one bit for each frame pending ACK in Tx window |
| * @rate_n_flags: Rate at which Tx was attempted |
| * |
| * If REPLY_TX indicates that aggregation was attempted, driver must wait |
| * for block ack (REPLY_COMPRESSED_BA). This struct stores tx reply info |
| * until block ack arrives. |
| */ |
| struct iwl_ht_agg { |
| u16 txq_id; |
| u16 frame_count; |
| u16 wait_for_ba; |
| u16 start_idx; |
| u64 bitmap; |
| u32 rate_n_flags; |
| #define IWL_AGG_OFF 0 |
| #define IWL_AGG_ON 1 |
| #define IWL_EMPTYING_HW_QUEUE_ADDBA 2 |
| #define IWL_EMPTYING_HW_QUEUE_DELBA 3 |
| u8 state; |
| }; |
| |
| |
| struct iwl_tid_data { |
| u16 seq_number; |
| u16 tfds_in_queue; |
| struct iwl_ht_agg agg; |
| }; |
| |
| struct iwl_hw_key { |
| enum ieee80211_key_alg alg; |
| int keylen; |
| u8 keyidx; |
| u8 key[32]; |
| }; |
| |
| union iwl4965_ht_rate_supp { |
| u16 rates; |
| struct { |
| u8 siso_rate; |
| u8 mimo_rate; |
| }; |
| }; |
| |
| #define CFG_HT_RX_AMPDU_FACTOR_DEF (0x3) |
| #define CFG_HT_MPDU_DENSITY_2USEC (0x5) |
| #define CFG_HT_MPDU_DENSITY_DEF CFG_HT_MPDU_DENSITY_2USEC |
| |
| struct iwl_ht_info { |
| /* self configuration data */ |
| u8 is_ht; |
| u8 supported_chan_width; |
| u16 tx_mimo_ps_mode; |
| u8 is_green_field; |
| u8 sgf; /* HT_SHORT_GI_* short guard interval */ |
| u8 max_amsdu_size; |
| u8 ampdu_factor; |
| u8 mpdu_density; |
| u8 supp_mcs_set[16]; |
| /* BSS related data */ |
| u8 control_channel; |
| u8 extension_chan_offset; |
| u8 tx_chan_width; |
| u8 ht_protection; |
| u8 non_GF_STA_present; |
| }; |
| |
| union iwl4965_qos_capabity { |
| struct { |
| u8 edca_count:4; /* bit 0-3 */ |
| u8 q_ack:1; /* bit 4 */ |
| u8 queue_request:1; /* bit 5 */ |
| u8 txop_request:1; /* bit 6 */ |
| u8 reserved:1; /* bit 7 */ |
| } q_AP; |
| struct { |
| u8 acvo_APSD:1; /* bit 0 */ |
| u8 acvi_APSD:1; /* bit 1 */ |
| u8 ac_bk_APSD:1; /* bit 2 */ |
| u8 ac_be_APSD:1; /* bit 3 */ |
| u8 q_ack:1; /* bit 4 */ |
| u8 max_len:2; /* bit 5-6 */ |
| u8 more_data_ack:1; /* bit 7 */ |
| } q_STA; |
| u8 val; |
| }; |
| |
| /* QoS structures */ |
| struct iwl4965_qos_info { |
| int qos_enable; |
| int qos_active; |
| union iwl4965_qos_capabity qos_cap; |
| struct iwl4965_qosparam_cmd def_qos_parm; |
| }; |
| |
| #define STA_PS_STATUS_WAKE 0 |
| #define STA_PS_STATUS_SLEEP 1 |
| |
| struct iwl_station_entry { |
| struct iwl_addsta_cmd sta; |
| struct iwl_tid_data tid[MAX_TID_COUNT]; |
| u8 used; |
| u8 ps_status; |
| struct iwl_hw_key keyinfo; |
| }; |
| |
| /* 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 iwl4965_ucode { |
| __le32 ver; /* major/minor/subminor */ |
| __le32 inst_size; /* bytes of runtime instructions */ |
| __le32 data_size; /* bytes of runtime data */ |
| __le32 init_size; /* bytes of initialization instructions */ |
| __le32 init_data_size; /* bytes of initialization data */ |
| __le32 boot_size; /* bytes of bootstrap instructions */ |
| u8 data[0]; /* data in same order as "size" elements */ |
| }; |
| |
| #define IWL_IBSS_MAC_HASH_SIZE 32 |
| |
| struct iwl4965_ibss_seq { |
| u8 mac[ETH_ALEN]; |
| u16 seq_num; |
| u16 frag_num; |
| unsigned long packet_time; |
| struct list_head list; |
| }; |
| |
| struct iwl_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; |
| }; |
| |
| |
| #define IWL_FAT_CHANNEL_52 BIT(IEEE80211_BAND_5GHZ) |
| |
| /** |
| * struct iwl_hw_params |
| * @max_txq_num: Max # Tx queues supported |
| * @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_buf_size: Rx buffer size |
| * @max_stations: |
| * @bcast_sta_id: |
| * @fat_channel: is 40MHz width possible in band 2.4 |
| * BIT(IEEE80211_BAND_5GHZ) BIT(IEEE80211_BAND_5GHZ) |
| * @sw_crypto: 0 for hw, 1 for sw |
| * @max_xxx_size: for ucode uses |
| * @ct_kill_threshold: temperature threshold |
| * @struct iwl_sensitivity_ranges: range of sensitivity values |
| * @first_ampdu_q: first HW queue available for ampdu |
| */ |
| struct iwl_hw_params { |
| u16 max_txq_num; |
| 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_buf_size; |
| u32 max_pkt_size; |
| u8 max_stations; |
| u8 bcast_sta_id; |
| u8 fat_channel; |
| u8 sw_crypto; |
| u32 max_inst_size; |
| u32 max_data_size; |
| u32 max_bsm_size; |
| u32 ct_kill_threshold; /* value in hw-dependent units */ |
| const struct iwl_sensitivity_ranges *sens; |
| u8 first_ampdu_q; |
| }; |
| |
| #define HT_SHORT_GI_20MHZ (1 << 0) |
| #define HT_SHORT_GI_40MHZ (1 << 1) |
| |
| |
| #define IWL_RX_HDR(x) ((struct iwl4965_rx_frame_hdr *)(\ |
| x->u.rx_frame.stats.payload + \ |
| x->u.rx_frame.stats.phy_count)) |
| #define IWL_RX_END(x) ((struct iwl4965_rx_frame_end *)(\ |
| IWL_RX_HDR(x)->payload + \ |
| le16_to_cpu(IWL_RX_HDR(x)->len))) |
| #define IWL_RX_STATS(x) (&x->u.rx_frame.stats) |
| #define IWL_RX_DATA(x) (IWL_RX_HDR(x)->payload) |
| |
| |
| /****************************************************************************** |
| * |
| * Functions implemented in iwl-base.c which are forward declared here |
| * for use by iwl-*.c |
| * |
| *****************************************************************************/ |
| struct iwl_addsta_cmd; |
| extern int iwl_send_add_sta(struct iwl_priv *priv, |
| struct iwl_addsta_cmd *sta, u8 flags); |
| u8 iwl_add_station_flags(struct iwl_priv *priv, const u8 *addr, int is_ap, |
| u8 flags, struct ieee80211_ht_info *ht_info); |
| extern int iwl4965_is_network_packet(struct iwl_priv *priv, |
| struct ieee80211_hdr *header); |
| extern int iwl4965_power_init_handle(struct iwl_priv *priv); |
| extern void iwl4965_handle_data_packet_monitor(struct iwl_priv *priv, |
| struct iwl_rx_mem_buffer *rxb, |
| void *data, short len, |
| struct ieee80211_rx_status *stats, |
| u16 phy_flags); |
| extern int iwl4965_is_duplicate_packet(struct iwl_priv *priv, |
| struct ieee80211_hdr *header); |
| extern int iwl4965_calc_db_from_ratio(int sig_ratio); |
| extern int iwl4965_calc_sig_qual(int rssi_dbm, int noise_dbm); |
| extern unsigned int iwl4965_fill_beacon_frame(struct iwl_priv *priv, |
| struct ieee80211_hdr *hdr, |
| const u8 *dest, int left); |
| extern void iwl4965_update_chain_flags(struct iwl_priv *priv); |
| int iwl4965_set_pwr_src(struct iwl_priv *priv, enum iwl_pwr_src src); |
| |
| int iwl4965_init_geos(struct iwl_priv *priv); |
| void iwl4965_free_geos(struct iwl_priv *priv); |
| |
| extern const u8 iwl_bcast_addr[ETH_ALEN]; |
| int iwl4965_enqueue_hcmd(struct iwl_priv *priv, struct iwl_host_cmd *cmd); |
| |
| /* |
| * Currently used by iwl-3945-rs... look at restructuring so that it doesn't |
| * call this... todo... fix that. |
| */ |
| extern u8 iwl4965_sync_station(struct iwl_priv *priv, int sta_id, |
| u16 tx_rate, u8 flags); |
| |
| /****************************************************************************** |
| * |
| * Functions implemented in iwl-[34]*.c which are forward declared here |
| * for use by iwl-base.c |
| * |
| * NOTE: The implementation of these functions are hardware specific |
| * which is why they are in the hardware specific files (vs. iwl-base.c) |
| * |
| * Naming convention -- |
| * iwl4965_ <-- Its part of iwlwifi (should be changed to iwl4965_) |
| * iwl4965_hw_ <-- Hardware specific (implemented in iwl-XXXX.c by all HW) |
| * iwlXXXX_ <-- Hardware specific (implemented in iwl-XXXX.c for XXXX) |
| * iwl4965_bg_ <-- Called from work queue context |
| * iwl4965_mac_ <-- mac80211 callback |
| * |
| ****************************************************************************/ |
| extern void iwl4965_hw_setup_deferred_work(struct iwl_priv *priv); |
| extern void iwl4965_hw_cancel_deferred_work(struct iwl_priv *priv); |
| extern int iwl4965_hw_set_hw_params(struct iwl_priv *priv); |
| extern int iwl_rxq_stop(struct iwl_priv *priv); |
| extern void iwl_txq_ctx_stop(struct iwl_priv *priv); |
| extern int iwl4965_hw_get_temperature(struct iwl_priv *priv); |
| extern unsigned int iwl4965_hw_get_beacon_cmd(struct iwl_priv *priv, |
| struct iwl_frame *frame, u8 rate); |
| extern void iwl4965_hw_build_tx_cmd_rate(struct iwl_priv *priv, |
| struct iwl_cmd *cmd, |
| struct ieee80211_tx_info *info, |
| struct ieee80211_hdr *hdr, |
| int sta_id, int tx_id); |
| extern void iwl4965_hw_rx_statistics(struct iwl_priv *priv, |
| struct iwl_rx_mem_buffer *rxb); |
| extern void iwl4965_disable_events(struct iwl_priv *priv); |
| extern int iwl4965_get_temperature(const struct iwl_priv *priv); |
| extern void iwl4965_rx_reply_rx(struct iwl_priv *priv, |
| struct iwl_rx_mem_buffer *rxb); |
| |
| /** |
| * iwl_find_station - Find station id for a given BSSID |
| * @bssid: MAC address of station ID to find |
| * |
| * NOTE: This should not be hardware specific but the code has |
| * not yet been merged into a single common layer for managing the |
| * station tables. |
| */ |
| extern u8 iwl_find_station(struct iwl_priv *priv, const u8 *bssid); |
| |
| extern int iwl4965_hw_channel_switch(struct iwl_priv *priv, u16 channel); |
| extern int iwl_queue_space(const struct iwl_queue *q); |
| static inline int iwl_queue_used(const struct iwl_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 get_cmd_index(struct iwl_queue *q, u32 index, int is_huge) |
| { |
| /* This is for scan command, the big buffer at end of command array */ |
| if (is_huge) |
| return q->n_window; /* must be power of 2 */ |
| |
| /* Otherwise, use normal size buffers */ |
| return index & (q->n_window - 1); |
| } |
| |
| |
| struct iwl_priv; |
| |
| extern int iwl4965_radio_kill_sw(struct iwl_priv *priv, int disable_radio); |
| /* |
| * Forward declare iwl-4965.c functions for iwl-base.c |
| */ |
| extern int iwl4965_tx_queue_update_wr_ptr(struct iwl_priv *priv, |
| struct iwl_tx_queue *txq, |
| u16 byte_cnt); |
| extern int iwl4965_alive_notify(struct iwl_priv *priv); |
| extern void iwl4965_update_rate_scaling(struct iwl_priv *priv, u8 mode); |
| extern void iwl4965_rf_kill_ct_config(struct iwl_priv *priv); |
| extern void iwl4965_hwrate_to_tx_control(struct iwl_priv *priv, |
| u32 rate_n_flags, |
| struct ieee80211_tx_info *info); |
| |
| extern void iwl4965_init_ht_hw_capab(const struct iwl_priv *priv, |
| struct ieee80211_ht_info *ht_info, |
| enum ieee80211_band band); |
| int iwl4965_mac_ampdu_action(struct ieee80211_hw *hw, |
| enum ieee80211_ampdu_mlme_action action, |
| const u8 *addr, u16 tid, u16 *ssn); |
| int iwl4965_check_empty_hw_queue(struct iwl_priv *priv, int sta_id, |
| u8 tid, int txq_id); |
| |
| /* Structures, enum, and defines specific to the 4965 */ |
| |
| #define IWL_KW_SIZE 0x1000 /*4k */ |
| |
| struct iwl_kw { |
| dma_addr_t dma_addr; |
| void *v_addr; |
| size_t size; |
| }; |
| |
| #define IWL_CHANNEL_WIDTH_20MHZ 0 |
| #define IWL_CHANNEL_WIDTH_40MHZ 1 |
| |
| #define IWL_MIMO_PS_STATIC 0 |
| #define IWL_MIMO_PS_NONE 3 |
| #define IWL_MIMO_PS_DYNAMIC 1 |
| #define IWL_MIMO_PS_INVALID 2 |
| |
| #define IWL_OPERATION_MODE_AUTO 0 |
| #define IWL_OPERATION_MODE_HT_ONLY 1 |
| #define IWL_OPERATION_MODE_MIXED 2 |
| #define IWL_OPERATION_MODE_20MHZ 3 |
| |
| #define IWL_TX_CRC_SIZE 4 |
| #define IWL_TX_DELIMITER_SIZE 4 |
| |
| #define TX_POWER_IWL_ILLEGAL_VOLTAGE -10000 |
| |
| struct iwl4965_lq_mngr { |
| spinlock_t lock; |
| s32 max_window_size; |
| s32 *expected_tpt; |
| u8 *next_higher_rate; |
| u8 *next_lower_rate; |
| unsigned long stamp; |
| unsigned long stamp_last; |
| u32 flush_time; |
| u32 tx_packets; |
| u8 lq_ready; |
| }; |
| |
| /* Sensitivity and chain noise calibration */ |
| #define INTERFERENCE_DATA_AVAILABLE __constant_cpu_to_le32(1) |
| #define INITIALIZATION_VALUE 0xFFFF |
| #define CAL_NUM_OF_BEACONS 20 |
| #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 iwl4965_false_alarm_state { |
| IWL_FA_TOO_MANY = 0, |
| IWL_FA_TOO_FEW = 1, |
| IWL_FA_GOOD_RANGE = 2, |
| }; |
| |
| enum iwl4965_chain_noise_state { |
| IWL_CHAIN_NOISE_ALIVE = 0, /* must be 0 */ |
| IWL_CHAIN_NOISE_ACCUMULATE = 1, |
| IWL_CHAIN_NOISE_CALIBRATED = 2, |
| }; |
| |
| enum iwl4965_calib_enabled_state { |
| IWL_CALIB_DISABLED = 0, /* must be 0 */ |
| IWL_CALIB_ENABLED = 1, |
| }; |
| |
| struct statistics_general_data { |
| u32 beacon_silence_rssi_a; |
| u32 beacon_silence_rssi_b; |
| u32 beacon_silence_rssi_c; |
| u32 beacon_energy_a; |
| u32 beacon_energy_b; |
| u32 beacon_energy_c; |
| }; |
| |
| struct iwl_calib_results { |
| void *tx_iq_res; |
| void *tx_iq_perd_res; |
| void *lo_res; |
| u32 tx_iq_res_len; |
| u32 tx_iq_perd_res_len; |
| u32 lo_res_len; |
| }; |
| |
| enum ucode_type { |
| UCODE_NONE = 0, |
| UCODE_INIT, |
| UCODE_RT |
| }; |
| |
| /* Sensitivity calib data */ |
| struct iwl_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; |
| }; |
| |
| /* Chain noise (differential Rx gain) calib data */ |
| struct iwl_chain_noise_data { |
| u8 state; |
| u16 beacon_count; |
| u32 chain_noise_a; |
| u32 chain_noise_b; |
| u32 chain_noise_c; |
| u32 chain_signal_a; |
| u32 chain_signal_b; |
| u32 chain_signal_c; |
| u8 disconn_array[NUM_RX_CHAINS]; |
| u8 delta_gain_code[NUM_RX_CHAINS]; |
| u8 radio_write; |
| }; |
| |
| #define EEPROM_SEM_TIMEOUT 10 /* milliseconds */ |
| #define EEPROM_SEM_RETRY_LIMIT 1000 /* number of attempts (not time) */ |
| |
| |
| #ifdef CONFIG_IWL4965_SPECTRUM_MEASUREMENT |
| |
| enum { |
| MEASUREMENT_READY = (1 << 0), |
| MEASUREMENT_ACTIVE = (1 << 1), |
| }; |
| |
| #endif |
| |
| #define IWL_MAX_NUM_QUEUES 20 /* FIXME: do dynamic allocation */ |
| |
| struct iwl_priv { |
| |
| /* ieee device used by generic ieee processing code */ |
| struct ieee80211_hw *hw; |
| struct ieee80211_channel *ieee_channels; |
| struct ieee80211_rate *ieee_rates; |
| struct iwl_cfg *cfg; |
| |
| /* temporary frame storage list */ |
| struct list_head free_frames; |
| int frames_count; |
| |
| enum ieee80211_band band; |
| int alloc_rxb_skb; |
| bool add_radiotap; |
| |
| void (*rx_handlers[REPLY_MAX])(struct iwl_priv *priv, |
| struct iwl_rx_mem_buffer *rxb); |
| |
| struct ieee80211_supported_band bands[IEEE80211_NUM_BANDS]; |
| |
| #ifdef CONFIG_IWL4965_SPECTRUM_MEASUREMENT |
| /* spectrum measurement report caching */ |
| struct iwl4965_spectrum_notification measure_report; |
| u8 measurement_status; |
| #endif |
| /* ucode beacon time */ |
| u32 ucode_beacon_time; |
| |
| /* we allocate array of iwl4965_channel_info for NIC's valid channels. |
| * Access via channel # using indirect index array */ |
| struct iwl_channel_info *channel_info; /* channel info array */ |
| u8 channel_count; /* # of channels */ |
| |
| /* each calibration channel group in the EEPROM has a derived |
| * clip setting for each rate. */ |
| const struct iwl4965_clip_group clip_groups[5]; |
| |
| /* thermal calibration */ |
| s32 temperature; /* degrees Kelvin */ |
| s32 last_temperature; |
| |
| /* init calibration results */ |
| struct iwl_calib_results calib_results; |
| |
| /* Scan related variables */ |
| unsigned long last_scan_jiffies; |
| unsigned long next_scan_jiffies; |
| unsigned long scan_start; |
| unsigned long scan_pass_start; |
| unsigned long scan_start_tsf; |
| int scan_bands; |
| int one_direct_scan; |
| u8 direct_ssid_len; |
| u8 direct_ssid[IW_ESSID_MAX_SIZE]; |
| struct iwl_scan_cmd *scan; |
| |
| /* spinlock */ |
| spinlock_t lock; /* protect general shared data */ |
| spinlock_t hcmd_lock; /* protect hcmd */ |
| 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; |
| |
| /* uCode images, save to reload in case of failure */ |
| 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 */ |
| |
| |
| struct iwl4965_rxon_time_cmd rxon_timing; |
| |
| /* We declare this const so it can only be |
| * changed via explicit cast within the |
| * routines that actually update the physical |
| * hardware */ |
| const struct iwl_rxon_cmd active_rxon; |
| struct iwl_rxon_cmd staging_rxon; |
| |
| int error_recovering; |
| struct iwl_rxon_cmd recovery_rxon; |
| |
| /* 1st responses from initialize and runtime uCode images. |
| * 4965's initialize alive response contains some calibration data. */ |
| struct iwl_init_alive_resp card_alive_init; |
| struct iwl_alive_resp card_alive; |
| #ifdef CONFIG_IWLWIFI_RFKILL |
| struct iwl_rfkill_mngr rfkill_mngr; |
| #endif |
| |
| #ifdef CONFIG_IWLWIFI_LEDS |
| struct iwl4965_led led[IWL_LED_TRG_MAX]; |
| unsigned long last_blink_time; |
| u8 last_blink_rate; |
| u8 allow_blinking; |
| u64 led_tpt; |
| #endif |
| |
| u16 active_rate; |
| u16 active_rate_basic; |
| |
| u8 assoc_station_added; |
| u8 use_ant_b_for_management_frame; /* Tx antenna selection */ |
| u8 start_calib; |
| struct iwl_sensitivity_data sensitivity_data; |
| struct iwl_chain_noise_data chain_noise_data; |
| __le16 sensitivity_tbl[HD_TABLE_SIZE]; |
| |
| struct iwl_ht_info current_ht_config; |
| u8 last_phy_res[100]; |
| |
| /* Rate scaling data */ |
| struct iwl4965_lq_mngr lq_mngr; |
| |
| /* Rate scaling data */ |
| s8 data_retry_limit; |
| u8 retry_rate; |
| |
| wait_queue_head_t wait_command_queue; |
| |
| int activity_timer_active; |
| |
| /* Rx and Tx DMA processing queues */ |
| struct iwl_rx_queue rxq; |
| struct iwl_tx_queue txq[IWL_MAX_NUM_QUEUES]; |
| unsigned long txq_ctx_active_msk; |
| struct iwl_kw kw; /* keep warm address */ |
| u32 scd_base_addr; /* scheduler sram base address */ |
| |
| unsigned long status; |
| |
| int last_rx_rssi; /* From Rx packet statisitics */ |
| int last_rx_noise; /* From beacon statistics */ |
| |
| /* counts mgmt, ctl, and data packets */ |
| struct traffic_stats { |
| u32 cnt; |
| u64 bytes; |
| } tx_stats[3], rx_stats[3]; |
| |
| struct iwl_power_mgr power_data; |
| |
| struct iwl4965_notif_statistics statistics; |
| unsigned long last_statistics_time; |
| |
| /* context information */ |
| u8 essid[IW_ESSID_MAX_SIZE]; |
| u8 essid_len; |
| u16 rates_mask; |
| |
| u32 power_mode; |
| u32 antenna; |
| u8 bssid[ETH_ALEN]; |
| u16 rts_threshold; |
| u8 mac_addr[ETH_ALEN]; |
| |
| /*station table variables */ |
| spinlock_t sta_lock; |
| int num_stations; |
| struct iwl_station_entry stations[IWL_STATION_COUNT]; |
| struct iwl_wep_key wep_keys[WEP_KEYS_MAX]; |
| u8 default_wep_key; |
| u8 key_mapping_key; |
| unsigned long ucode_key_table; |
| |
| /* Indication if ieee80211_ops->open has been called */ |
| u8 is_open; |
| |
| u8 mac80211_registered; |
| |
| /* Rx'd packet timing information */ |
| u32 last_beacon_time; |
| u64 last_tsf; |
| |
| /* Duplicate packet detection */ |
| u16 last_seq_num; |
| u16 last_frag_num; |
| unsigned long last_packet_time; |
| |
| /* Hash table for finding stations in IBSS network */ |
| struct list_head ibss_mac_hash[IWL_IBSS_MAC_HASH_SIZE]; |
| |
| /* eeprom */ |
| u8 *eeprom; |
| struct iwl_eeprom_calib_info *calib_info; |
| |
| enum ieee80211_if_types iw_mode; |
| |
| struct sk_buff *ibss_beacon; |
| |
| /* Last Rx'd beacon timestamp */ |
| u64 timestamp; |
| u16 beacon_int; |
| struct ieee80211_vif *vif; |
| |
| struct iwl_hw_params hw_params; |
| /* driver/uCode shared Tx Byte Counts and Rx status */ |
| void *shared_virt; |
| int rb_closed_offset; |
| /* Physical Pointer to Tx Byte Counts and Rx status */ |
| dma_addr_t shared_phys; |
| |
| /* Current association information needed to configure the |
| * hardware */ |
| u16 assoc_id; |
| u16 assoc_capability; |
| u8 ps_mode; |
| |
| struct iwl4965_qos_info qos_data; |
| |
| struct workqueue_struct *workqueue; |
| |
| struct work_struct up; |
| struct work_struct restart; |
| struct work_struct calibrated_work; |
| struct work_struct scan_completed; |
| struct work_struct rx_replenish; |
| struct work_struct rf_kill; |
| struct work_struct abort_scan; |
| struct work_struct update_link_led; |
| struct work_struct auth_work; |
| struct work_struct report_work; |
| struct work_struct request_scan; |
| struct work_struct beacon_update; |
| struct work_struct set_monitor; |
| |
| struct tasklet_struct irq_tasklet; |
| |
| struct delayed_work init_alive_start; |
| struct delayed_work alive_start; |
| struct delayed_work scan_check; |
| struct delayed_work post_associate; |
| /* TX Power */ |
| s8 tx_power_user_lmt; |
| s8 tx_power_channel_lmt; |
| |
| #ifdef CONFIG_PM |
| u32 pm_state[16]; |
| #endif |
| |
| #ifdef CONFIG_IWLWIFI_DEBUG |
| /* debugging info */ |
| u32 debug_level; |
| u32 framecnt_to_us; |
| atomic_t restrict_refcnt; |
| #ifdef CONFIG_IWLWIFI_DEBUGFS |
| /* debugfs */ |
| struct iwl_debugfs *dbgfs; |
| #endif /* CONFIG_IWLWIFI_DEBUGFS */ |
| #endif /* CONFIG_IWLWIFI_DEBUG */ |
| |
| struct work_struct txpower_work; |
| u32 disable_sens_cal; |
| u32 disable_chain_noise_cal; |
| u32 disable_tx_power_cal; |
| struct work_struct run_time_calib_work; |
| struct timer_list statistics_periodic; |
| }; /*iwl_priv */ |
| |
| static inline void iwl_txq_ctx_activate(struct iwl_priv *priv, int txq_id) |
| { |
| set_bit(txq_id, &priv->txq_ctx_active_msk); |
| } |
| |
| static inline void iwl_txq_ctx_deactivate(struct iwl_priv *priv, int txq_id) |
| { |
| clear_bit(txq_id, &priv->txq_ctx_active_msk); |
| } |
| |
| #ifdef CONFIG_IWLWIF_DEBUG |
| const char *iwl_get_tx_fail_reason(u32 status); |
| #else |
| static inline const char *iwl_get_tx_fail_reason(u32 status) { return ""; } |
| #endif |
| |
| |
| static inline int iwl_get_ra_sta_id(struct iwl_priv *priv, |
| struct ieee80211_hdr *hdr) |
| { |
| if (priv->iw_mode == IEEE80211_IF_TYPE_STA) { |
| return IWL_AP_ID; |
| } else { |
| u8 *da = ieee80211_get_DA(hdr); |
| return iwl_find_station(priv, da); |
| } |
| } |
| |
| static inline struct ieee80211_hdr *iwl_tx_queue_get_hdr(struct iwl_priv *priv, |
| int txq_id, int idx) |
| { |
| if (priv->txq[txq_id].txb[idx].skb[0]) |
| return (struct ieee80211_hdr *)priv->txq[txq_id]. |
| txb[idx].skb[0]->data; |
| return NULL; |
| } |
| |
| |
| static inline int iwl_is_associated(struct iwl_priv *priv) |
| { |
| return (priv->active_rxon.filter_flags & RXON_FILTER_ASSOC_MSK) ? 1 : 0; |
| } |
| |
| static inline int is_channel_valid(const struct iwl_channel_info *ch_info) |
| { |
| if (ch_info == NULL) |
| return 0; |
| return (ch_info->flags & EEPROM_CHANNEL_VALID) ? 1 : 0; |
| } |
| |
| static inline int is_channel_radar(const struct iwl_channel_info *ch_info) |
| { |
| return (ch_info->flags & EEPROM_CHANNEL_RADAR) ? 1 : 0; |
| } |
| |
| static inline u8 is_channel_a_band(const struct iwl_channel_info *ch_info) |
| { |
| return ch_info->band == IEEE80211_BAND_5GHZ; |
| } |
| |
| static inline u8 is_channel_bg_band(const struct iwl_channel_info *ch_info) |
| { |
| return ch_info->band == IEEE80211_BAND_2GHZ; |
| } |
| |
| static inline int is_channel_passive(const struct iwl_channel_info *ch) |
| { |
| return (!(ch->flags & EEPROM_CHANNEL_ACTIVE)) ? 1 : 0; |
| } |
| |
| static inline int is_channel_ibss(const struct iwl_channel_info *ch) |
| { |
| return ((ch->flags & EEPROM_CHANNEL_IBSS)) ? 1 : 0; |
| } |
| |
| #ifdef CONFIG_IWLWIFI_DEBUG |
| static inline void iwl_print_hex_dump(struct iwl_priv *priv, int level, |
| void *p, u32 len) |
| { |
| if (!(priv->debug_level & level)) |
| return; |
| |
| print_hex_dump(KERN_DEBUG, "iwl data: ", DUMP_PREFIX_OFFSET, 16, 1, |
| p, len, 1); |
| } |
| #else |
| static inline void iwl_print_hex_dump(struct iwl_priv *priv, int level, |
| void *p, u32 len) |
| { |
| } |
| #endif |
| |
| extern const struct iwl_channel_info *iwl_get_channel_info( |
| const struct iwl_priv *priv, enum ieee80211_band band, u16 channel); |
| |
| /* Requires full declaration of iwl_priv before including */ |
| |
| #endif /* __iwl4965_4965_h__ */ |