diff options
Diffstat (limited to 'drivers/net/wireless/iwlwifi/iwl-4965.h')
| -rw-r--r-- | drivers/net/wireless/iwlwifi/iwl-4965.h | 1019 |
1 files changed, 1019 insertions, 0 deletions
diff --git a/drivers/net/wireless/iwlwifi/iwl-4965.h b/drivers/net/wireless/iwlwifi/iwl-4965.h index b31a7e4b7d78..bf174d3b8fbf 100644 --- a/drivers/net/wireless/iwlwifi/iwl-4965.h +++ b/drivers/net/wireless/iwlwifi/iwl-4965.h @@ -26,6 +26,707 @@ #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> + +struct iwl_priv; + +/* Hardware specific file defines the PCI IDs table for that hardware module */ +extern struct pci_device_id iwl_hw_card_ids[]; + +#define DRV_NAME "iwl4965" +#include "iwl-4965-hw.h" +#include "iwl-prph.h" +#include "iwl-4965-debug.h" + +/* 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) + +/* Module parameters accessible from iwl-*.c */ +extern int iwl_param_hwcrypto; +extern int iwl_param_queues_num; + +enum iwl_antenna { + IWL_ANTENNA_DIVERSITY, + IWL_ANTENNA_MAIN, + IWL_ANTENNA_AUX +}; + +/* + * 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; +}; + +struct iwl_rt_rx_hdr { + struct ieee80211_radiotap_header rt_hdr; + __le64 rt_tsf; /* TSF */ + u8 rt_flags; /* radiotap packet flags */ + u8 rt_rate; /* rate in 500kb/s */ + __le16 rt_channelMHz; /* channel in MHz */ + __le16 rt_chbitmask; /* channel bitfield */ + s8 rt_dbmsignal; /* signal in dBm, kluged to signed */ + s8 rt_dbmnoise; + u8 rt_antenna; /* antenna number */ + u8 payload[0]; /* payload... */ +} __attribute__ ((packed)); + +struct iwl_rt_tx_hdr { + struct ieee80211_radiotap_header rt_hdr; + u8 rt_rate; /* rate in 500kb/s */ + __le16 rt_channel; /* channel in mHz */ + __le16 rt_chbitmask; /* channel bitfield */ + s8 rt_dbmsignal; /* signal in dBm, kluged to signed */ + u8 rt_antenna; /* antenna number */ + u8 payload[0]; /* payload... */ +} __attribute__ ((packed)); + +/* + * 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) + +struct iwl_tx_info { + struct ieee80211_tx_status status; + struct sk_buff *skb[MAX_NUM_OF_TBS]; +}; + +/** + * struct iwl_tx_queue - Tx Queue for DMA + * @need_update: need to update read/write index + * @shed_retry: queue is HT AGG enabled + * + * Queue consists of circular buffer of BD's 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 iwl_channel_tgd_info { + u8 type; + s8 max_power; +}; + +struct iwl_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 iwl_channel_power_info { + struct iwl_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 iwl_scan_power_info { + struct iwl_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 */ +}; + +/* Channel unlock period is 15 seconds. If no beacon or probe response + * has been received within 15 seconds on a locked channel then the channel + * remains locked. */ +#define TX_UNLOCK_PERIOD 15 + +/* CSA lock period is 15 seconds. If a CSA has been received on a channel in + * the last 15 seconds, the channel is locked */ +#define CSA_LOCK_PERIOD 15 +/* + * 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 iwl_channel_tgd_info tgd; + struct iwl_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) */ + 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 */ + u8 phymode; /* MODE_IEEE80211{A,B,G} */ + + /* 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 iwl_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; + + /* Radio/DSP gain settings for each scan rate, for directed scans. */ + struct iwl_scan_power_info scan_pwr_info[IWL_NUM_SCAN_RATES]; +}; + +struct iwl_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 */ + +struct iwl_power_vec_entry { + struct iwl_powertable_cmd cmd; + u8 no_dtim; +}; +#define IWL_POWER_RANGE_0 (0) +#define IWL_POWER_RANGE_1 (1) + +#define IWL_POWER_MODE_CAM 0x00 /* Continuously Aware Mode, always on */ +#define IWL_POWER_INDEX_3 0x03 +#define IWL_POWER_INDEX_5 0x05 +#define IWL_POWER_AC 0x06 +#define IWL_POWER_BATTERY 0x07 +#define IWL_POWER_LIMIT 0x07 +#define IWL_POWER_MASK 0x0F +#define IWL_POWER_ENABLED 0x10 +#define IWL_POWER_LEVEL(x) ((x) & IWL_POWER_MASK) + +struct iwl_power_mgr { + spinlock_t lock; + struct iwl_power_vec_entry pwr_range_0[IWL_POWER_AC]; + struct iwl_power_vec_entry pwr_range_1[IWL_POWER_AC]; + u8 active_index; + u32 dtim_val; +}; + +#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 iwl_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) (x & 0xff) +#define INDEX_TO_SEQ(x) (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)); + +struct iwl_cmd { + struct iwl_cmd_meta meta; + struct iwl_cmd_header hdr; + union { + struct iwl_addsta_cmd addsta; + struct iwl_led_cmd led; + u32 flags; + u8 val8; + u16 val16; + u32 val32; + struct iwl_bt_cmd bt; + struct iwl_rxon_time_cmd rxon_time; + struct iwl_powertable_cmd powertable; + struct iwl_qosparam_cmd qosparam; + struct iwl_tx_cmd tx; + struct iwl_tx_beacon_cmd tx_beacon; + struct iwl_rxon_assoc_cmd rxon_assoc; + u8 *indirect; + u8 payload[360]; + } __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 STATUS_HCMD_ACTIVE 0 /* host command in progress */ +#define STATUS_INT_ENABLED 1 +#define STATUS_RF_KILL_HW 2 +#define STATUS_RF_KILL_SW 3 +#define STATUS_INIT 4 +#define STATUS_ALIVE 5 +#define STATUS_READY 6 +#define STATUS_TEMPERATURE 7 +#define STATUS_GEO_CONFIGURED 8 +#define STATUS_EXIT_PENDING 9 +#define STATUS_IN_SUSPEND 10 +#define STATUS_STATISTICS 11 +#define STATUS_SCANNING 12 +#define STATUS_SCAN_ABORTING 13 +#define STATUS_SCAN_HW 14 +#define STATUS_POWER_PMI 15 +#define STATUS_FW_ERROR 16 + +#define MAX_TID_COUNT 9 + +#define IWL_INVALID_RATE 0xFF +#define IWL_INVALID_VALUE -1 + +#ifdef CONFIG_IWLWIFI_HT +#ifdef CONFIG_IWLWIFI_HT_AGG +struct iwl_ht_agg { + u16 txq_id; + u16 frame_count; + u16 wait_for_ba; + u16 start_idx; + u32 bitmap0; + u32 bitmap1; + u32 rate_n_flags; +}; +#endif /* CONFIG_IWLWIFI_HT_AGG */ +#endif /* CONFIG_IWLWIFI_HT */ + +struct iwl_tid_data { + u16 seq_number; +#ifdef CONFIG_IWLWIFI_HT +#ifdef CONFIG_IWLWIFI_HT_AGG + struct iwl_ht_agg agg; +#endif /* CONFIG_IWLWIFI_HT_AGG */ +#endif /* CONFIG_IWLWIFI_HT */ +}; + +struct iwl_hw_key { + enum ieee80211_key_alg alg; + int keylen; + u8 key[32]; +}; + +union iwl_ht_rate_supp { + u16 rates; + struct { + u8 siso_rate; + u8 mimo_rate; + }; +}; + +#ifdef CONFIG_IWLWIFI_HT +#define CFG_HT_RX_AMPDU_FACTOR_DEF (0x3) +#define HT_IE_MAX_AMSDU_SIZE_4K (0) +#define CFG_HT_MPDU_DENSITY_2USEC (0x5) +#define CFG_HT_MPDU_DENSITY_DEF CFG_HT_MPDU_DENSITY_2USEC + +struct sta_ht_info { + u8 is_ht; + u16 rx_mimo_ps_mode; + u16 tx_mimo_ps_mode; + u16 control_channel; + u8 max_amsdu_size; + u8 ampdu_factor; + u8 mpdu_density; + u8 operating_mode; + u8 supported_chan_width; + u8 extension_chan_offset; + u8 is_green_field; + u8 sgf; + u8 supp_rates[16]; + u8 tx_chan_width; + u8 chan_width_cap; +}; +#endif /*CONFIG_IWLWIFI_HT */ + +#ifdef CONFIG_IWLWIFI_QOS + +union iwl_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 iwl_qos_info { + int qos_enable; + int qos_active; + union iwl_qos_capabity qos_cap; + struct iwl_qosparam_cmd def_qos_parm; +}; +#endif /*CONFIG_IWLWIFI_QOS */ + +#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 iwl_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 iwl_ibss_seq { + u8 mac[ETH_ALEN]; + u16 seq_num; + u16 frag_num; + unsigned long packet_time; + struct list_head list; +}; + +struct iwl_driver_hw_info { + u16 max_txq_num; + u16 ac_queue_count; + u16 tx_cmd_len; + u16 max_rxq_size; + u32 rx_buffer_size; + u16 max_rxq_log; + u8 max_stations; + u8 bcast_sta_id; + void *shared_virt; + dma_addr_t shared_phys; +}; + + +#define STA_FLG_RTS_MIMO_PROT_MSK __constant_cpu_to_le32(1 << 17) +#define STA_FLG_AGG_MPDU_8US_MSK __constant_cpu_to_le32(1 << 18) +#define STA_FLG_MAX_AGG_SIZE_POS (19) +#define STA_FLG_MAX_AGG_SIZE_MSK __constant_cpu_to_le32(3 << 19) +#define STA_FLG_FAT_EN_MSK __constant_cpu_to_le32(1 << 21) +#define STA_FLG_MIMO_DIS_MSK __constant_cpu_to_le32(1 << 22) +#define STA_FLG_AGG_MPDU_DENSITY_POS (23) +#define STA_FLG_AGG_MPDU_DENSITY_MSK __constant_cpu_to_le32(7 << 23) +#define HT_SHORT_GI_20MHZ_ONLY (1 << 0) +#define HT_SHORT_GI_40MHZ_ONLY (1 << 1) + + +#define IWL_RX_HDR(x) ((struct iwl_rx_frame_hdr *)(\ + x->u.rx_frame.stats.payload + \ + x->u.rx_frame.stats.phy_count)) +#define IWL_RX_END(x) ((struct iwl_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_station(struct iwl_priv *priv, + struct iwl_addsta_cmd *sta, u8 flags); +extern u8 iwl_add_station(struct iwl_priv *priv, const u8 *bssid, + int is_ap, u8 flags); +extern int iwl_is_network_packet(struct iwl_priv *priv, + struct ieee80211_hdr *header); +extern int iwl_power_init_handle(struct iwl_priv *priv); +extern int iwl_eeprom_init(struct iwl_priv *priv); +#ifdef CONFIG_IWLWIFI_DEBUG +extern void iwl_report_frame(struct iwl_priv *priv, + struct iwl_rx_packet *pkt, + struct ieee80211_hdr *header, int group100); +#else +static inline void iwl_report_frame(struct iwl_priv *priv, + struct iwl_rx_packet *pkt, + struct ieee80211_hdr *header, + int group100) {} +#endif +extern void iwl_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 is_duplicate_packet(struct iwl_priv *priv, struct ieee80211_hdr + *header); +extern int iwl_rx_queue_alloc(struct iwl_priv *priv); +extern void iwl_rx_queue_reset(struct iwl_priv *priv, + struct iwl_rx_queue *rxq); +extern int iwl_calc_db_from_ratio(int sig_ratio); +extern int iwl_calc_sig_qual(int rssi_dbm, int noise_dbm); +extern int iwl_tx_queue_init(struct iwl_priv *priv, + struct iwl_tx_queue *txq, int count, u32 id); +extern void iwl_rx_replenish(void *data); +extern void iwl_tx_queue_free(struct iwl_priv *priv, struct iwl_tx_queue *txq); +extern int iwl_send_cmd_pdu(struct iwl_priv *priv, u8 id, u16 len, + const void *data); +extern int __must_check iwl_send_cmd(struct iwl_priv *priv, + struct iwl_host_cmd *cmd); +extern unsigned int iwl_fill_beacon_frame(struct iwl_priv *priv, + struct ieee80211_hdr *hdr, + const u8 *dest, int left); +extern int iwl_rx_queue_update_write_ptr(struct iwl_priv *priv, + struct iwl_rx_queue *q); +extern int iwl_send_statistics_request(struct iwl_priv *priv); +extern void iwl_set_decrypted_flag(struct iwl_priv *priv, struct sk_buff *skb, + u32 decrypt_res, + struct ieee80211_rx_status *stats); +extern __le16 *ieee80211_get_qos_ctrl(struct ieee80211_hdr *hdr); + +extern const u8 BROADCAST_ADDR[ETH_ALEN]; + +/* + * Currently used by iwl-3945-rs... look at restructuring so that it doesn't + * call this... todo... fix that. +*/ +extern u8 iwl_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 -- + * iwl_ <-- Its part of iwlwifi (should be changed to iwl_) + * iwl_hw_ <-- Hardware specific (implemented in iwl-XXXX.c by all HW) + * iwlXXXX_ <-- Hardware specific (implemented in iwl-XXXX.c for XXXX) + * iwl_bg_ <-- Called from work queue context + * iwl_mac_ <-- mac80211 callback + * + ****************************************************************************/ +extern void iwl_hw_rx_handler_setup(struct iwl_priv *priv); +extern void iwl_hw_setup_deferred_work(struct iwl_priv *priv); +extern void iwl_hw_cancel_deferred_work(struct iwl_priv *priv); +extern int iwl_hw_rxq_stop(struct iwl_priv *priv); +extern int iwl_hw_set_hw_setting(struct iwl_priv *priv); +extern int iwl_hw_nic_init(struct iwl_priv *priv); +extern int iwl_hw_nic_stop_master(struct iwl_priv *priv); +extern void iwl_hw_txq_ctx_free(struct iwl_priv *priv); +extern void iwl_hw_txq_ctx_stop(struct iwl_priv *priv); +extern int iwl_hw_nic_reset(struct iwl_priv *priv); +extern int iwl_hw_txq_attach_buf_to_tfd(struct iwl_priv *priv, void *tfd, + dma_addr_t addr, u16 len); +extern int iwl_hw_txq_free_tfd(struct iwl_priv *priv, struct iwl_tx_queue *txq); +extern int iwl_hw_get_temperature(struct iwl_priv *priv); +extern int iwl_hw_tx_queue_init(struct iwl_priv *priv, + struct iwl_tx_queue *txq); +extern unsigned int iwl_hw_get_beacon_cmd(struct iwl_priv *priv, + struct iwl_frame *frame, u8 rate); +extern int iwl_hw_get_rx_read(struct iwl_priv *priv); +extern void iwl_hw_build_tx_cmd_rate(struct iwl_priv *priv, + struct iwl_cmd *cmd, + struct ieee80211_tx_control *ctrl, + struct ieee80211_hdr *hdr, + int sta_id, int tx_id); +extern int iwl_hw_reg_send_txpower(struct iwl_priv *priv); +extern int iwl_hw_reg_set_txpower(struct iwl_priv *priv, s8 power); +extern void iwl_hw_rx_statistics(struct iwl_priv *priv, + struct iwl_rx_mem_buffer *rxb); +extern void iwl_disable_events(struct iwl_priv *priv); +extern int iwl4965_get_temperature(const struct iwl_priv *priv); + +/** + * iwl_hw_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_hw_find_station(struct iwl_priv *priv, const u8 *bssid); + +extern int iwl_hw_channel_switch(struct iwl_priv *priv, u16 channel); +extern int iwl_tx_queue_reclaim(struct iwl_priv *priv, int txq_id, int index); + struct iwl_priv; struct sta_ht_info; @@ -338,4 +1039,322 @@ struct iwl_chain_noise_data { #define EEPROM_SEM_TIMEOUT 10 #define EEPROM_SEM_RETRY_LIMIT 1000 + +#ifdef CONFIG_IWLWIFI_SPECTRUM_MEASUREMENT + +enum { + MEASUREMENT_READY = (1 << 0), + MEASUREMENT_ACTIVE = (1 << 1), +}; + +#endif + +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; + + /* temporary frame storage list */ + struct list_head free_frames; + int frames_count; + + u8 phymode; + int alloc_rxb_skb; + + void (*rx_handlers[REPLY_MAX])(struct iwl_priv *priv, + struct iwl_rx_mem_buffer *rxb); + + const struct ieee80211_hw_mode *modes; + +#ifdef CONFIG_IWLWIFI_SPECTRUM_MEASUREMENT + /* spectrum measurement report caching */ + struct iwl_spectrum_notification measure_report; + u8 measurement_status; +#endif + /* ucode beacon time */ + u32 ucode_beacon_time; + + /* we allocate array of iwl_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 iwl_clip_group clip_groups[5]; + + /* thermal calibration */ + s32 temperature; /* degrees Kelvin */ + s32 last_temperature; + + /* Scan related variables */ + unsigned long last_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; + u8 only_active_channel; + + /* 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; + + /* 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 */ + + + struct iwl_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 LED + /* LED related variables */ + struct iwl_activity_blink activity; + unsigned long led_packets; + int led_state; +#endif + + u16 active_rate; + u16 active_rate_basic; + + u8 call_post_assoc_from_beacon; + u8 assoc_station_added; + u8 use_ant_b_for_management_frame; /* Tx antenna selection */ + /* HT variables */ + u8 is_dup; + u8 is_ht_enabled; + u8 channel_width; /* 0=20MHZ, 1=40MHZ */ + u8 current_channel_width; + u8 valid_antenna; /* Bit mask of antennas actually connected */ +#ifdef CONFIG_IWLWIFI_SENSITIVITY + struct iwl_sensitivity_data sensitivity_data; + struct iwl_chain_noise_data chain_noise_data; + u8 start_calib; + __le16 sensitivity_tbl[HD_TABLE_SIZE]; +#endif /*CONFIG_IWLWIFI_SENSITIVITY*/ + +#ifdef CONFIG_IWLWIFI_HT + struct sta_ht_info current_assoc_ht; +#endif + u8 active_rate_ht[2]; + u8 last_phy_res[100]; + + /* Rate scaling data */ + struct iwl_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; + u32 config; + + int last_rx_rssi; /* From Rx packet statisitics */ + int last_rx_noise; /* From beacon statistics */ + + struct iwl_power_mgr power_data; + + struct iwl_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]; + + /* Indication if ieee80211_ops->open has been called */ + int is_open; + + u8 mac80211_registered; + int is_abg; + + u32 notif_missed_beacons; + + /* 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; + struct list_head ibss_mac_hash[IWL_IBSS_MAC_HASH_SIZE]; + + /* eeprom */ + struct iwl_eeprom eeprom; + + int iw_mode; + + struct sk_buff *ibss_beacon; + + /* Last Rx'd beacon timestamp */ + u32 timestamp0; + u32 timestamp1; + u16 beacon_int; + struct iwl_driver_hw_info hw_setting; + int interface_id; + + /* Current association information needed to configure the + * hardware */ + u16 assoc_id; + u16 assoc_capability; + u8 ps_mode; + +#ifdef CONFIG_IWLWIFI_QOS + struct iwl_qos_info qos_data; +#endif /*CONFIG_IWLWIFI_QOS */ + + 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 tasklet_struct irq_tasklet; + + struct delayed_work init_alive_start; + struct delayed_work alive_start; + struct delayed_work activity_timer; + struct delayed_work thermal_periodic; + struct delayed_work gather_stats; + struct delayed_work scan_check; + struct delayed_work post_associate; + +#define IWL_DEFAULT_TX_POWER 0x0F + s8 user_txpower_limit; + s8 max_channel_txpower_limit; + +#ifdef CONFIG_PM + u32 pm_state[16]; +#endif + +#ifdef CONFIG_IWLWIFI_DEBUG + /* debugging info */ + u32 framecnt_to_us; + atomic_t restrict_refcnt; +#endif + + struct work_struct txpower_work; +#ifdef CONFIG_IWLWIFI_SENSITIVITY + struct work_struct sensitivity_work; +#endif + struct work_struct statistics_work; + struct timer_list statistics_periodic; + +#ifdef CONFIG_IWLWIFI_HT_AGG + struct work_struct agg_work; +#endif +}; /*iwl_priv */ + +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_narrow(const struct iwl_channel_info *ch_info) +{ + return (ch_info->flags & EEPROM_CHANNEL_NARROW) ? 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->phymode == MODE_IEEE80211A; +} + +static inline u8 is_channel_bg_band(const struct iwl_channel_info *ch_info) +{ + return ((ch_info->phymode == MODE_IEEE80211B) || + (ch_info->phymode == MODE_IEEE80211G)); +} + +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; +} + +extern const struct iwl_channel_info *iwl_get_channel_info( + const struct iwl_priv *priv, int phymode, u16 channel); + +/* Requires full declaration of iwl_priv before including */ +#include "iwl-4965-io.h" + #endif /* __iwl_4965_h__ */ |
