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path: root/drivers/net/wireless/iwlwifi/iwl-shared.h
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Diffstat (limited to 'drivers/net/wireless/iwlwifi/iwl-shared.h')
-rw-r--r--drivers/net/wireless/iwlwifi/iwl-shared.h237
1 files changed, 180 insertions, 57 deletions
diff --git a/drivers/net/wireless/iwlwifi/iwl-shared.h b/drivers/net/wireless/iwlwifi/iwl-shared.h
index 14eaf37ce3b..dc55cc4a810 100644
--- a/drivers/net/wireless/iwlwifi/iwl-shared.h
+++ b/drivers/net/wireless/iwlwifi/iwl-shared.h
@@ -94,9 +94,9 @@
* This implementation is iwl-pci.c
*/
-struct iwl_cfg;
struct iwl_bus;
struct iwl_priv;
+struct iwl_trans;
struct iwl_sensitivity_ranges;
struct iwl_trans_ops;
@@ -107,6 +107,10 @@ struct iwl_trans_ops;
extern struct iwl_mod_params iwlagn_mod_params;
+#define IWL_DISABLE_HT_ALL BIT(0)
+#define IWL_DISABLE_HT_TXAGG BIT(1)
+#define IWL_DISABLE_HT_RXAGG BIT(2)
+
/**
* struct iwl_mod_params
*
@@ -114,7 +118,8 @@ extern struct iwl_mod_params iwlagn_mod_params;
*
* @sw_crypto: using hardware encryption, default = 0
* @num_of_queues: number of tx queue, HW dependent
- * @disable_11n: 11n capabilities enabled, default = 0
+ * @disable_11n: disable 11n capabilities, default = 0,
+ * use IWL_DISABLE_HT_* constants
* @amsdu_size_8K: enable 8K amsdu size, default = 1
* @antenna: both antennas (use diversity), default = 0
* @restart_fw: restart firmware, default = 1
@@ -135,7 +140,7 @@ extern struct iwl_mod_params iwlagn_mod_params;
struct iwl_mod_params {
int sw_crypto;
int num_of_queues;
- int disable_11n;
+ unsigned int disable_11n;
int amsdu_size_8K;
int antenna;
int restart_fw;
@@ -174,8 +179,6 @@ struct iwl_mod_params {
* @ct_kill_exit_threshold: when to reeable the device - in hw dependent unit
* relevant for 1000, 6000 and up
* @wd_timeout: TX queues watchdog timeout
- * @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 {
@@ -195,67 +198,148 @@ struct iwl_hw_params {
u32 ct_kill_exit_threshold;
unsigned int wd_timeout;
- u32 calib_init_cfg;
- u32 calib_rt_cfg;
const struct iwl_sensitivity_ranges *sens;
};
/**
- * enum iwl_agg_state
+ * enum iwl_ucode_type
*
- * The state machine of the BA agreement establishment / tear down.
- * These states relate to a specific RA / TID.
+ * The type of ucode currently loaded on the hardware.
*
- * @IWL_AGG_OFF: aggregation is not used
- * @IWL_AGG_ON: aggregation session is up
- * @IWL_EMPTYING_HW_QUEUE_ADDBA: establishing a BA session - waiting for the
- * HW queue to be empty from packets for this RA /TID.
- * @IWL_EMPTYING_HW_QUEUE_DELBA: tearing down a BA session - waiting for the
- * HW queue to be empty from packets for this RA /TID.
+ * @IWL_UCODE_NONE: No ucode loaded
+ * @IWL_UCODE_REGULAR: Normal runtime ucode
+ * @IWL_UCODE_INIT: Initial ucode
+ * @IWL_UCODE_WOWLAN: Wake on Wireless enabled ucode
*/
-enum iwl_agg_state {
- IWL_AGG_OFF = 0,
- IWL_AGG_ON,
- IWL_EMPTYING_HW_QUEUE_ADDBA,
- IWL_EMPTYING_HW_QUEUE_DELBA,
+enum iwl_ucode_type {
+ IWL_UCODE_NONE,
+ IWL_UCODE_REGULAR,
+ IWL_UCODE_INIT,
+ IWL_UCODE_WOWLAN,
};
/**
- * struct iwl_ht_agg - aggregation state machine
-
- * This structs holds the states for the BA agreement establishment and tear
- * down. It also holds the state during the BA session itself. This struct is
- * duplicated for each RA / TID.
-
- * @rate_n_flags: Rate at which Tx was attempted. Holds the data between the
- * Tx response (REPLY_TX), and the block ack notification
- * (REPLY_COMPRESSED_BA).
- * @state: state of the BA agreement establishment / tear down.
- * @txq_id: Tx queue used by the BA session - used by the transport layer.
- * Needed by the upper layer for debugfs only.
- * @wait_for_ba: Expect block-ack before next Tx reply
+ * struct iwl_notification_wait - notification wait entry
+ * @list: list head for global list
+ * @fn: function called with the notification
+ * @cmd: command ID
+ *
+ * This structure is not used directly, to wait for a
+ * notification declare it on the stack, and call
+ * iwlagn_init_notification_wait() with appropriate
+ * parameters. Then do whatever will cause the ucode
+ * to notify the driver, and to wait for that then
+ * call iwlagn_wait_notification().
+ *
+ * Each notification is one-shot. If at some point we
+ * need to support multi-shot notifications (which
+ * can't be allocated on the stack) we need to modify
+ * the code for them.
*/
-struct iwl_ht_agg {
- u32 rate_n_flags;
- enum iwl_agg_state state;
- u16 txq_id;
- bool wait_for_ba;
+struct iwl_notification_wait {
+ struct list_head list;
+
+ void (*fn)(struct iwl_trans *trans, struct iwl_rx_packet *pkt,
+ void *data);
+ void *fn_data;
+
+ u8 cmd;
+ bool triggered, aborted;
};
/**
- * struct iwl_tid_data - one for each RA / TID
+ * enum iwl_pa_type - Power Amplifier type
+ * @IWL_PA_SYSTEM: based on uCode configuration
+ * @IWL_PA_INTERNAL: use Internal only
+ */
+enum iwl_pa_type {
+ IWL_PA_SYSTEM = 0,
+ IWL_PA_INTERNAL = 1,
+};
- * This structs holds the states for each RA / TID.
+/*
+ * LED mode
+ * IWL_LED_DEFAULT: use device default
+ * IWL_LED_RF_STATE: turn LED on/off based on RF state
+ * LED ON = RF ON
+ * LED OFF = RF OFF
+ * IWL_LED_BLINK: adjust led blink rate based on blink table
+ */
+enum iwl_led_mode {
+ IWL_LED_DEFAULT,
+ IWL_LED_RF_STATE,
+ IWL_LED_BLINK,
+};
- * @seq_number: the next WiFi sequence number to use
- * @tfds_in_queue: number of packets sent to the HW queues.
- * Exported for debugfs only
- * @agg: aggregation state machine
+/**
+ * struct iwl_cfg
+ * @name: Offical name of the device
+ * @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_ok: oldest version of the uCode API that is OK to load
+ * without a warning, for use in transitions
+ * @ucode_api_min: Lowest version of uCode API supported by driver.
+ * @valid_tx_ant: valid transmit antenna
+ * @valid_rx_ant: valid receive antenna
+ * @sku: sku information from EEPROM
+ * @eeprom_ver: EEPROM version
+ * @eeprom_calib_ver: EEPROM calibration version
+ * @lib: pointer to the lib ops
+ * @additional_nic_config: additional nic configuration
+ * @base_params: pointer to basic parameters
+ * @ht_params: point to ht patameters
+ * @bt_params: pointer to bt parameters
+ * @pa_type: used by 6000 series only to identify the type of Power Amplifier
+ * @need_temp_offset_calib: need to perform temperature offset calibration
+ * @no_xtal_calib: some devices do not need crystal calibration data,
+ * don't send it to those
+ * @scan_rx_antennas: available antenna for scan operation
+ * @led_mode: 0=blinking, 1=On(RF On)/Off(RF Off)
+ * @adv_pm: advance power management
+ * @rx_with_siso_diversity: 1x1 device with rx antenna diversity
+ * @internal_wimax_coex: internal wifi/wimax combo device
+ * @iq_invert: I/Q inversion
+ * @temp_offset_v2: support v2 of temperature offset calibration
+ *
+ * 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 ideal usage of this infrastructure is to treat a new ucode API
+ * release as a new hardware revision.
*/
-struct iwl_tid_data {
- u16 seq_number;
- u16 tfds_in_queue;
- struct iwl_ht_agg agg;
+struct iwl_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_ok;
+ const unsigned int ucode_api_min;
+ u8 valid_tx_ant;
+ u8 valid_rx_ant;
+ u16 sku;
+ u16 eeprom_ver;
+ u16 eeprom_calib_ver;
+ const struct iwl_lib_ops *lib;
+ void (*additional_nic_config)(struct iwl_priv *priv);
+ /* params not likely to change within a device family */
+ struct iwl_base_params *base_params;
+ /* params likely to change within a device family */
+ struct iwl_ht_params *ht_params;
+ struct iwl_bt_params *bt_params;
+ enum iwl_pa_type pa_type; /* if used set to IWL_PA_SYSTEM */
+ const bool need_temp_offset_calib; /* if used set to true */
+ const bool no_xtal_calib;
+ u8 scan_rx_antennas[IEEE80211_NUM_BANDS];
+ enum iwl_led_mode led_mode;
+ const bool adv_pm;
+ const bool rx_with_siso_diversity;
+ const bool internal_wimax_coex;
+ const bool iq_invert;
+ const bool temp_offset_v2;
};
/**
@@ -266,15 +350,25 @@ struct iwl_tid_data {
* @ucode_owner: IWL_OWNERSHIP_*
* @cmd_queue: command queue number
* @status: STATUS_*
+ * @wowlan: are we running wowlan uCode
* @valid_contexts: microcode/device supports multiple contexts
* @bus: pointer to the bus layer data
+ * @cfg: see struct iwl_cfg
* @priv: pointer to the upper layer data
+ * @trans: pointer to the transport layer data
* @hw_params: see struct iwl_hw_params
* @workqueue: the workqueue used by all the layers of the driver
* @lock: protect general shared data
* @sta_lock: protects the station table.
* If lock and sta_lock are needed, lock must be acquired first.
* @mutex:
+ * @wait_command_queue: the wait_queue for SYNC host command nad uCode load
+ * @eeprom: pointer to the eeprom/OTP image
+ * @ucode_type: indicator of loaded ucode image
+ * @notif_waits: things waiting for notification
+ * @notif_wait_lock: lock protecting notification
+ * @notif_waitq: head of notification wait queue
+ * @device_pointers: pointers to ucode event tables
*/
struct iwl_shared {
#ifdef CONFIG_IWLWIFI_DEBUG
@@ -290,6 +384,7 @@ struct iwl_shared {
u8 valid_contexts;
struct iwl_bus *bus;
+ struct iwl_cfg *cfg;
struct iwl_priv *priv;
struct iwl_trans *trans;
struct iwl_hw_params hw_params;
@@ -299,13 +394,29 @@ struct iwl_shared {
spinlock_t sta_lock;
struct mutex mutex;
- struct iwl_tid_data tid_data[IWLAGN_STATION_COUNT][IWL_MAX_TID_COUNT];
-
wait_queue_head_t wait_command_queue;
+
+ /* eeprom -- this is in the card's little endian byte order */
+ u8 *eeprom;
+
+ /* ucode related variables */
+ enum iwl_ucode_type ucode_type;
+
+ /* notification wait support */
+ struct list_head notif_waits;
+ spinlock_t notif_wait_lock;
+ wait_queue_head_t notif_waitq;
+
+ struct {
+ u32 error_event_table;
+ u32 log_event_table;
+ } device_pointers;
+
};
/*Whatever _m is (iwl_trans, iwl_priv, iwl_bus, these macros will work */
#define priv(_m) ((_m)->shrd->priv)
+#define cfg(_m) ((_m)->shrd->cfg)
#define bus(_m) ((_m)->shrd->bus)
#define trans(_m) ((_m)->shrd->trans)
#define hw_params(_m) ((_m)->shrd->hw_params)
@@ -427,12 +538,6 @@ int __must_check iwl_rx_dispatch(struct iwl_priv *priv,
struct iwl_device_cmd *cmd);
int iwlagn_hw_valid_rtc_data_addr(u32 addr);
-void iwl_start_tx_ba_trans_ready(struct iwl_priv *priv,
- enum iwl_rxon_context_id ctx,
- u8 sta_id, u8 tid);
-void iwl_stop_tx_ba_trans_ready(struct iwl_priv *priv,
- enum iwl_rxon_context_id ctx,
- u8 sta_id, u8 tid);
void iwl_set_hw_rfkill_state(struct iwl_priv *priv, bool state);
void iwl_nic_config(struct iwl_priv *priv);
void iwl_free_skb(struct iwl_priv *priv, struct sk_buff *skb);
@@ -445,6 +550,24 @@ bool iwl_check_for_ct_kill(struct iwl_priv *priv);
void iwl_stop_sw_queue(struct iwl_priv *priv, u8 ac);
void iwl_wake_sw_queue(struct iwl_priv *priv, u8 ac);
+/* notification wait support */
+void iwl_abort_notification_waits(struct iwl_shared *shrd);
+void __acquires(wait_entry)
+iwl_init_notification_wait(struct iwl_shared *shrd,
+ struct iwl_notification_wait *wait_entry,
+ u8 cmd,
+ void (*fn)(struct iwl_trans *trans,
+ struct iwl_rx_packet *pkt,
+ void *data),
+ void *fn_data);
+int __must_check __releases(wait_entry)
+iwl_wait_notification(struct iwl_shared *shrd,
+ struct iwl_notification_wait *wait_entry,
+ unsigned long timeout);
+void __releases(wait_entry)
+iwl_remove_notification(struct iwl_shared *shrd,
+ struct iwl_notification_wait *wait_entry);
+
#ifdef CONFIG_IWLWIFI_DEBUGFS
void iwl_reset_traffic_log(struct iwl_priv *priv);
#endif /* CONFIG_IWLWIFI_DEBUGFS */