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path: root/drivers/net/wireless/iwlwifi/iwl-dev.h
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Diffstat (limited to 'drivers/net/wireless/iwlwifi/iwl-dev.h')
-rw-r--r--drivers/net/wireless/iwlwifi/iwl-dev.h329
1 files changed, 21 insertions, 308 deletions
diff --git a/drivers/net/wireless/iwlwifi/iwl-dev.h b/drivers/net/wireless/iwlwifi/iwl-dev.h
index dd34c7c502fa..1e54293532b0 100644
--- a/drivers/net/wireless/iwlwifi/iwl-dev.h
+++ b/drivers/net/wireless/iwlwifi/iwl-dev.h
@@ -36,12 +36,12 @@
#include <linux/kernel.h>
#include <linux/wait.h>
#include <linux/leds.h>
+#include <linux/slab.h>
#include <net/ieee80211_radiotap.h>
#include "iwl-eeprom.h"
#include "iwl-csr.h"
#include "iwl-prph.h"
-#include "iwl-fh.h"
#include "iwl-debug.h"
#include "iwl-agn-hw.h"
#include "iwl-led.h"
@@ -50,8 +50,7 @@
#include "iwl-agn-tt.h"
#include "iwl-bus.h"
#include "iwl-trans.h"
-
-#define DRV_NAME "iwlagn"
+#include "iwl-shared.h"
struct iwl_tx_queue;
@@ -90,14 +89,6 @@ struct iwl_tx_queue;
#define DEFAULT_SHORT_RETRY_LIMIT 7U
#define DEFAULT_LONG_RETRY_LIMIT 4U
-struct iwl_rx_mem_buffer {
- dma_addr_t page_dma;
- struct page *page;
- struct list_head list;
-};
-
-#define rxb_addr(r) page_address(r->page)
-
/* defined below */
struct iwl_device_cmd;
@@ -156,12 +147,6 @@ struct iwl_queue {
* space less than this */
};
-/* One for each TFD */
-struct iwl_tx_info {
- struct sk_buff *skb;
- struct iwl_rxon_context *ctx;
-};
-
/**
* struct iwl_tx_queue - Tx Queue for DMA
* @q: generic Rx/Tx queue descriptor
@@ -173,6 +158,8 @@ struct iwl_tx_info {
* @time_stamp: time (in jiffies) of last read_ptr change
* @need_update: indicates need to update read/write index
* @sched_retry: indicates queue is high-throughput aggregation (HT AGG) enabled
+ * @sta_id: valid if sched_retry is set
+ * @tid: valid if sched_retry is set
*
* A Tx queue consists of circular buffer of BDs (a.k.a. TFDs, transmit frame
* descriptors) and required locking structures.
@@ -185,12 +172,15 @@ struct iwl_tx_queue {
struct iwl_tfd *tfds;
struct iwl_device_cmd **cmd;
struct iwl_cmd_meta *meta;
- struct iwl_tx_info *txb;
+ struct sk_buff **skbs;
unsigned long time_stamp;
u8 need_update;
u8 sched_retry;
u8 active;
u8 swq_id;
+
+ u16 sta_id;
+ u16 tid;
};
#define IWL_NUM_SCAN_RATES (2)
@@ -254,13 +244,6 @@ struct iwl_channel_info {
#define IWL_DEFAULT_CMD_QUEUE_NUM 4
#define IWL_IPAN_CMD_QUEUE_NUM 9
-/*
- * This queue number is required for proper operation
- * because the ucode will stop/start the scheduler as
- * required.
- */
-#define IWL_IPAN_MCAST_QUEUE 8
-
#define IEEE80211_DATA_LEN 2304
#define IEEE80211_4ADDR_LEN 30
#define IEEE80211_HLEN (IEEE80211_4ADDR_LEN)
@@ -334,81 +317,11 @@ struct iwl_host_cmd {
#define SUP_RATE_11B_MAX_NUM_CHANNELS 4
#define SUP_RATE_11G_MAX_NUM_CHANNELS 12
-/**
- * struct iwl_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 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
- * @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 iwl_rx_mem_buffers
- */
-struct iwl_rx_queue {
- __le32 *bd;
- dma_addr_t bd_dma;
- struct iwl_rx_mem_buffer pool[RX_QUEUE_SIZE + RX_FREE_BUFFERS];
- struct iwl_rx_mem_buffer *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 iwl_rb_status *rb_stts;
- dma_addr_t rb_stts_dma;
- spinlock_t lock;
-};
-
#define IWL_SUPPORTED_RATES_IE_LEN 8
-#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;
- u8 tx_fifo;
-};
-
-
-struct iwl_tid_data {
- u16 seq_number; /* agn only */
- u16 tfds_in_queue;
- struct iwl_ht_agg agg;
-};
-
union iwl_ht_rate_supp {
u16 rates;
struct {
@@ -459,7 +372,6 @@ struct iwl_qos_info {
*/
struct iwl_station_entry {
struct iwl_addsta_cmd sta;
- struct iwl_tid_data tid[MAX_TID_COUNT];
u8 used, ctxid;
struct iwl_link_quality_cmd *lq;
};
@@ -647,54 +559,6 @@ struct iwl_sensitivity_ranges {
#define CELSIUS_TO_KELVIN(x) ((x)+273)
-/**
- * struct iwl_hw_params
- * @max_txq_num: Max # Tx queues supported
- * @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(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
- * @beacon_time_tsf_bits: number of valid tsf bits for beacon time
- * @calib_init_cfg: setup initial calibrations for the hw
- * @calib_rt_cfg: setup runtime calibrations for the hw
- * @struct iwl_sensitivity_ranges: range of sensitivity values
- */
-struct iwl_hw_params {
- u8 max_txq_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;
- u8 max_stations;
- u8 ht40_channel;
- u8 max_beacon_itrvl; /* in 1024 ms */
- u32 max_inst_size;
- u32 max_data_size;
- u32 ct_kill_threshold; /* value in hw-dependent units */
- u32 ct_kill_exit_threshold; /* value in hw-dependent units */
- /* for 1000, 6000 series and up */
- u16 beacon_time_tsf_bits;
- u32 calib_init_cfg;
- u32 calib_rt_cfg;
- const struct iwl_sensitivity_ranges *sens;
-};
-
-
/******************************************************************************
*
* Functions implemented in core module which are forward declared here
@@ -710,26 +574,6 @@ struct iwl_hw_params {
****************************************************************************/
extern void iwl_update_chain_flags(struct iwl_priv *priv);
extern const u8 iwl_bcast_addr[ETH_ALEN];
-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)
-{
- return index & (q->n_window - 1);
-}
-
-
-struct iwl_dma_ptr {
- dma_addr_t dma;
- void *addr;
- size_t size;
-};
#define IWL_OPERATION_MODE_AUTO 0
#define IWL_OPERATION_MODE_HT_ONLY 1
@@ -897,22 +741,6 @@ enum iwl_pa_type {
IWL_PA_INTERNAL = 1,
};
-/* interrupt statistics */
-struct isr_statistics {
- u32 hw;
- u32 sw;
- u32 err_code;
- u32 sch;
- u32 alive;
- u32 rfkill;
- u32 ctkill;
- u32 wakeup;
- u32 rx;
- u32 rx_handlers[REPLY_MAX];
- u32 tx;
- u32 unhandled;
-};
-
/* reply_tx_statistics (for _agn devices) */
struct reply_tx_error_statistics {
u32 pp_delay;
@@ -1114,20 +942,9 @@ struct iwl_notification_wait {
bool triggered, aborted;
};
-enum iwl_rxon_context_id {
- IWL_RXON_CTX_BSS,
- IWL_RXON_CTX_PAN,
-
- NUM_IWL_RXON_CTX
-};
-
struct iwl_rxon_context {
struct ieee80211_vif *vif;
- const u8 *ac_to_fifo;
- const u8 *ac_to_queue;
- u8 mcast_queue;
-
/*
* We could use the vif to indicate active, but we
* also need it to be active during disabling when
@@ -1175,6 +992,9 @@ struct iwl_rxon_context {
u8 extension_chan_offset;
} ht;
+ u8 bssid[ETH_ALEN];
+ bool preauth_bssid;
+
bool last_tx_rejected;
};
@@ -1203,16 +1023,17 @@ struct iwl_testmode_trace {
};
#endif
-/* uCode ownership */
-#define IWL_OWNERSHIP_DRIVER 0
-#define IWL_OWNERSHIP_TM 1
-
struct iwl_priv {
+ /*data shared among all the driver's layers */
+ struct iwl_shared _shrd;
+ struct iwl_shared *shrd;
+
/* ieee device used by generic ieee processing code */
struct ieee80211_hw *hw;
struct ieee80211_channel *ieee_channels;
struct ieee80211_rate *ieee_rates;
+ struct kmem_cache *tx_cmd_pool;
struct iwl_cfg *cfg;
enum ieee80211_band band;
@@ -1238,6 +1059,9 @@ struct iwl_priv {
/* jiffies when last recovery from statistics was performed */
unsigned long rx_statistics_jiffies;
+ /*counters */
+ u32 rx_handlers_stats[REPLY_MAX];
+
/* force reset */
struct iwl_force_reset force_reset[IWL_MAX_FORCE_RESET];
@@ -1268,21 +1092,12 @@ struct iwl_priv {
u8 scan_tx_ant[IEEE80211_NUM_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;
-
+ /*TODO: remove these pointers - use bus(priv) instead */
struct iwl_bus *bus; /* bus specific data */
- struct iwl_trans trans;
/* microcode/device supports multiple contexts */
u8 valid_contexts;
- /* command queue number */
- u8 cmd_queue;
-
/* max number of station keys */
u8 sta_key_max_num;
@@ -1296,9 +1111,6 @@ struct iwl_priv {
u32 ucode_ver; /* version of ucode, copy of
iwl_ucode.ver */
- /* uCode owner: default: IWL_OWNERSHIP_DRIVER */
- u8 ucode_owner;
-
struct fw_img ucode_rt;
struct fw_img ucode_init;
struct fw_img ucode_wowlan;
@@ -1334,48 +1146,21 @@ struct iwl_priv {
int activity_timer_active;
- /* Rx and Tx DMA processing queues */
- struct iwl_rx_queue rxq;
- struct iwl_tx_queue *txq;
- unsigned long txq_ctx_active_msk;
- struct iwl_dma_ptr kw; /* keep warm address */
- struct iwl_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_statistics isr_stats;
-
struct iwl_power_mgr power_data;
struct iwl_tt_mgmt thermal_throttle;
/* station table variables */
-
- /* Note: if lock and sta_lock are needed, lock must be acquired first */
- spinlock_t sta_lock;
int num_stations;
struct iwl_station_entry stations[IWLAGN_STATION_COUNT];
unsigned long ucode_key_table;
- /* queue refcounts */
-#define IWL_MAX_HW_QUEUES 32
- unsigned long queue_stopped[BITS_TO_LONGS(IWL_MAX_HW_QUEUES)];
- /* for each AC */
- atomic_t queue_stop_count[4];
-
/* Indication if ieee80211_ops->open has been called */
u8 is_open;
- u8 mac80211_registered;
-
- bool wowlan;
-
/* eeprom -- this is in the card's little endian byte order */
u8 *eeprom;
int nvm_device_type;
@@ -1411,14 +1196,6 @@ struct iwl_priv {
} accum_stats, delta_stats, max_delta_stats;
#endif
- /* INT ICT Table */
- __le32 *ict_tbl;
- void *ict_tbl_vir;
- dma_addr_t ict_tbl_dma;
- dma_addr_t aligned_ict_tbl_dma;
- int ict_index;
- u32 inta;
- bool use_ict;
/*
* reporting the number of tids has AGG on. 0 means
* no AGGREGATION
@@ -1475,15 +1252,8 @@ struct iwl_priv {
struct iwl_rxon_context *cur_rssi_ctx;
bool bt_is_sco;
- struct iwl_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;
struct work_struct beacon_update;
@@ -1499,8 +1269,6 @@ struct iwl_priv {
struct work_struct bt_full_concurrency;
struct work_struct bt_runtime_config;
- struct tasklet_struct irq_tasklet;
-
struct delayed_work scan_check;
/* TX Power */
@@ -1509,12 +1277,6 @@ struct iwl_priv {
s8 tx_power_lmt_in_half_dbm; /* max tx power in half-dBm format */
s8 tx_power_next;
-
-#ifdef CONFIG_IWLWIFI_DEBUG
- /* debugging info */
- u32 debug_level; /* per device debugging will override global
- iwl_debug_level if set */
-#endif /* CONFIG_IWLWIFI_DEBUG */
#ifdef CONFIG_IWLWIFI_DEBUGFS
/* debugfs */
u16 tx_traffic_idx;
@@ -1552,47 +1314,7 @@ struct iwl_priv {
bool have_rekey_data;
}; /*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_IWLWIFI_DEBUG
-/*
- * iwl_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 iwl_get_debug_level(struct iwl_priv *priv)
-{
- if (priv->debug_level)
- return priv->debug_level;
- else
- return iwl_debug_level;
-}
-#else
-static inline u32 iwl_get_debug_level(struct iwl_priv *priv)
-{
- return iwl_debug_level;
-}
-#endif
-
-
-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)
- return (struct ieee80211_hdr *)priv->txq[txq_id].
- txb[idx].skb->data;
- return NULL;
-}
+extern struct iwl_mod_params iwlagn_mod_params;
static inline struct iwl_rxon_context *
iwl_rxon_ctx_from_vif(struct ieee80211_vif *vif)
@@ -1659,13 +1381,4 @@ static inline int is_channel_ibss(const struct iwl_channel_info *ch)
return ((ch->flags & EEPROM_CHANNEL_IBSS)) ? 1 : 0;
}
-static inline void __iwl_free_pages(struct iwl_priv *priv, struct page *page)
-{
- __free_pages(page, priv->hw_params.rx_page_order);
-}
-
-static inline void iwl_free_pages(struct iwl_priv *priv, unsigned long page)
-{
- free_pages(page, priv->hw_params.rx_page_order);
-}
#endif /* __iwl_dev_h__ */
generated by cgit v1.2.3 (git 2.39.0) at 2024-12-30 02:08:44 +0300