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Diffstat (limited to 'drivers/net/wireless/iwlwifi/iwl-shared.h')
| -rw-r--r-- | drivers/net/wireless/iwlwifi/iwl-shared.h | 534 |
1 files changed, 0 insertions, 534 deletions
diff --git a/drivers/net/wireless/iwlwifi/iwl-shared.h b/drivers/net/wireless/iwlwifi/iwl-shared.h deleted file mode 100644 index 1f7a93c67c4..00000000000 --- a/drivers/net/wireless/iwlwifi/iwl-shared.h +++ /dev/null @@ -1,534 +0,0 @@ -/****************************************************************************** - * - * This file is provided under a dual BSD/GPLv2 license. When using or - * redistributing this file, you may do so under either license. - * - * GPL LICENSE SUMMARY - * - * Copyright(c) 2007 - 2011 Intel Corporation. All rights reserved. - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of version 2 of the GNU General Public License as - * published by the Free Software Foundation. - * - * This program is distributed in the hope that it will be useful, but - * WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110, - * USA - * - * The full GNU General Public License is included in this distribution - * in the file called LICENSE.GPL. - * - * Contact Information: - * Intel Linux Wireless <ilw@linux.intel.com> - * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497 - * - * BSD LICENSE - * - * Copyright(c) 2005 - 2011 Intel Corporation. All rights reserved. - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * - * * Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * * Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in - * the documentation and/or other materials provided with the - * distribution. - * * Neither the name Intel Corporation nor the names of its - * contributors may be used to endorse or promote products derived - * from this software without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS - * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT - * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR - * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT - * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, - * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT - * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, - * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY - * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT - * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE - * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - * - *****************************************************************************/ -#ifndef __iwl_shared_h__ -#define __iwl_shared_h__ - -#include <linux/types.h> -#include <linux/spinlock.h> -#include <linux/mutex.h> -#include <linux/gfp.h> -#include <linux/mm.h> /* for page_address */ -#include <net/mac80211.h> - -#include "iwl-commands.h" - -/** - * DOC: shared area - role and goal - * - * The shared area contains all the data exported by the upper layer to the - * other layers. Since the bus and transport layer shouldn't dereference - * iwl_priv, all the data needed by the upper layer and the transport / bus - * layer must be here. - * The shared area also holds pointer to all the other layers. This allows a - * layer to call a function from another layer. - * - * NOTE: All the layers hold a pointer to the shared area which must be shrd. - * A few macros assume that (_m)->shrd points to the shared area no matter - * what _m is. - * - * gets notifications about enumeration, suspend, resume. - * For the moment, the bus layer is not a linux kernel module as itself, and - * the module_init function of the driver must call the bus specific - * registration functions. These functions are listed at the end of this file. - * For the moment, there is only one implementation of this interface: PCI-e. - * This implementation is iwl-pci.c - */ - -struct iwl_cfg; -struct iwl_bus; -struct iwl_priv; -struct iwl_sensitivity_ranges; -struct iwl_trans_ops; - -#define DRV_NAME "iwlwifi" -#define IWLWIFI_VERSION "in-tree:" -#define DRV_COPYRIGHT "Copyright(c) 2003-2011 Intel Corporation" -#define DRV_AUTHOR "<ilw@linux.intel.com>" - -extern struct iwl_mod_params iwlagn_mod_params; - -/** - * struct iwl_mod_params - * - * Holds the module parameters - * - * @sw_crypto: using hardware encryption, default = 0 - * @num_of_queues: number of tx queue, HW dependent - * @disable_11n: 11n capabilities enabled, default = 0 - * @amsdu_size_8K: enable 8K amsdu size, default = 1 - * @antenna: both antennas (use diversity), default = 0 - * @restart_fw: restart firmware, default = 1 - * @plcp_check: enable plcp health check, default = true - * @ack_check: disable ack health check, default = false - * @wd_disable: enable stuck queue check, default = false - * @bt_coex_active: enable bt coex, default = true - * @led_mode: system default, default = 0 - * @no_sleep_autoadjust: disable autoadjust, default = true - * @power_save: disable power save, default = false - * @power_level: power level, default = 1 - * @debug_level: levels are IWL_DL_* - * @ant_coupling: antenna coupling in dB, default = 0 - * @bt_ch_announce: BT channel inhibition, default = enable - * @wanted_ucode_alternative: ucode alternative to use, default = 1 - * @auto_agg: enable agg. without check, default = true - */ -struct iwl_mod_params { - int sw_crypto; - int num_of_queues; - int disable_11n; - int amsdu_size_8K; - int antenna; - int restart_fw; - bool plcp_check; - bool ack_check; - bool wd_disable; - bool bt_coex_active; - int led_mode; - bool no_sleep_autoadjust; - bool power_save; - int power_level; - u32 debug_level; - int ant_coupling; - bool bt_ch_announce; - int wanted_ucode_alternative; - bool auto_agg; -}; - -/** - * struct iwl_hw_params - * - * Holds the module parameters - * - * @max_txq_num: Max # Tx queues supported - * @num_ampdu_queues: num of ampdu queues - * @tx_chains_num: Number of TX chains - * @rx_chains_num: Number of RX chains - * @valid_tx_ant: usable antennas for TX - * @valid_rx_ant: usable antennas for RX - * @ht40_channel: is 40MHz width possible: BIT(IEEE80211_BAND_XXX) - * @sku: sku read from EEPROM - * @rx_page_order: Rx buffer page order - * @max_inst_size: for ucode use - * @max_data_size: for ucode use - * @ct_kill_threshold: temperature threshold - in hw dependent unit - * @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 { - u8 max_txq_num; - u8 num_ampdu_queues; - u8 tx_chains_num; - u8 rx_chains_num; - u8 valid_tx_ant; - u8 valid_rx_ant; - u8 ht40_channel; - bool shadow_reg_enable; - u16 sku; - u32 rx_page_order; - u32 max_inst_size; - u32 max_data_size; - u32 ct_kill_threshold; - 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 - * - * The state machine of the BA agreement establishment / tear down. - * These states relate to a specific RA / TID. - * - * @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. - */ -enum iwl_agg_state { - IWL_AGG_OFF = 0, - IWL_AGG_ON, - IWL_EMPTYING_HW_QUEUE_ADDBA, - IWL_EMPTYING_HW_QUEUE_DELBA, -}; - -/** - * 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_ht_agg { - u32 rate_n_flags; - enum iwl_agg_state state; - u16 txq_id; - bool wait_for_ba; -}; - -/** - * struct iwl_tid_data - one for each RA / TID - - * This structs holds the states for each RA / TID. - - * @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_tid_data { - u16 seq_number; - u16 tfds_in_queue; - struct iwl_ht_agg agg; -}; - -/** - * struct iwl_shared - shared fields for all the layers of the driver - * - * @dbg_level_dev: dbg level set per device. Prevails on - * iwlagn_mod_params.debug_level if set (!= 0) - * @ucode_owner: IWL_OWNERSHIP_* - * @cmd_queue: command queue number - * @status: STATUS_* - * @valid_contexts: microcode/device supports multiple contexts - * @bus: pointer to the bus layer data - * @priv: pointer to the upper 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: - */ -struct iwl_shared { -#ifdef CONFIG_IWLWIFI_DEBUG - u32 dbg_level_dev; -#endif /* CONFIG_IWLWIFI_DEBUG */ - -#define IWL_OWNERSHIP_DRIVER 0 -#define IWL_OWNERSHIP_TM 1 - u8 ucode_owner; - u8 cmd_queue; - unsigned long status; - bool wowlan; - u8 valid_contexts; - - struct iwl_bus *bus; - struct iwl_priv *priv; - struct iwl_trans *trans; - struct iwl_hw_params hw_params; - - struct workqueue_struct *workqueue; - spinlock_t lock; - 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; -}; - -/*Whatever _m is (iwl_trans, iwl_priv, iwl_bus, these macros will work */ -#define priv(_m) ((_m)->shrd->priv) -#define bus(_m) ((_m)->shrd->bus) -#define trans(_m) ((_m)->shrd->trans) -#define hw_params(_m) ((_m)->shrd->hw_params) - -#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_shared *shrd) -{ - if (shrd->dbg_level_dev) - return shrd->dbg_level_dev; - else - return iwlagn_mod_params.debug_level; -} -#else -static inline u32 iwl_get_debug_level(struct iwl_shared *shrd) -{ - return iwlagn_mod_params.debug_level; -} -#endif - -static inline void iwl_free_pages(struct iwl_shared *shrd, unsigned long page) -{ - free_pages(page, shrd->hw_params.rx_page_order); -} - -/** - * iwl_queue_inc_wrap - increment queue index, wrap back to beginning - * @index -- current index - * @n_bd -- total number of entries in queue (must be power of 2) - */ -static inline int iwl_queue_inc_wrap(int index, int n_bd) -{ - return ++index & (n_bd - 1); -} - -/** - * iwl_queue_dec_wrap - decrement queue index, wrap back to end - * @index -- current index - * @n_bd -- total number of entries in queue (must be power of 2) - */ -static inline int iwl_queue_dec_wrap(int index, int n_bd) -{ - return --index & (n_bd - 1); -} - -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) - -/* - * mac80211 queues, ACs, hardware queues, FIFOs. - * - * Cf. http://wireless.kernel.org/en/developers/Documentation/mac80211/queues - * - * Mac80211 uses the following numbers, which we get as from it - * by way of skb_get_queue_mapping(skb): - * - * VO 0 - * VI 1 - * BE 2 - * BK 3 - * - * - * Regular (not A-MPDU) frames are put into hardware queues corresponding - * to the FIFOs, see comments in iwl-prph.h. Aggregated frames get their - * own queue per aggregation session (RA/TID combination), such queues are - * set up to map into FIFOs too, for which we need an AC->FIFO mapping. In - * order to map frames to the right queue, we also need an AC->hw queue - * mapping. This is implemented here. - * - * Due to the way hw queues are set up (by the hw specific modules like - * iwl-4965.c, iwl-5000.c etc.), the AC->hw queue mapping is the identity - * mapping. - */ - -static const u8 tid_to_ac[] = { - IEEE80211_AC_BE, - IEEE80211_AC_BK, - IEEE80211_AC_BK, - IEEE80211_AC_BE, - IEEE80211_AC_VI, - IEEE80211_AC_VI, - IEEE80211_AC_VO, - IEEE80211_AC_VO -}; - -static inline int get_ac_from_tid(u16 tid) -{ - if (likely(tid < ARRAY_SIZE(tid_to_ac))) - return tid_to_ac[tid]; - - /* no support for TIDs 8-15 yet */ - return -EINVAL; -} - -enum iwl_rxon_context_id { - IWL_RXON_CTX_BSS, - IWL_RXON_CTX_PAN, - - NUM_IWL_RXON_CTX -}; - -int iwl_probe(struct iwl_bus *bus, const struct iwl_trans_ops *trans_ops, - struct iwl_cfg *cfg); -void __devexit iwl_remove(struct iwl_priv * priv); -struct iwl_device_cmd; -int __must_check iwl_rx_dispatch(struct iwl_priv *priv, - struct iwl_rx_mem_buffer *rxb, - 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); -void iwl_apm_stop(struct iwl_priv *priv); -int iwl_apm_init(struct iwl_priv *priv); -void iwlagn_fw_error(struct iwl_priv *priv, bool ondemand); -const char *get_cmd_string(u8 cmd); -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); - -#ifdef CONFIG_IWLWIFI_DEBUGFS -void iwl_reset_traffic_log(struct iwl_priv *priv); -#endif /* CONFIG_IWLWIFI_DEBUGFS */ - -#ifdef CONFIG_IWLWIFI_DEBUG -void iwl_print_rx_config_cmd(struct iwl_priv *priv, - enum iwl_rxon_context_id ctxid); -#else -static inline void iwl_print_rx_config_cmd(struct iwl_priv *priv, - enum iwl_rxon_context_id ctxid) -{ -} -#endif - -#define IWL_CMD(x) case x: return #x -#define IWL_MASK(lo, hi) ((1 << (hi)) | ((1 << (hi)) - (1 << (lo)))) - -#define IWL_TRAFFIC_ENTRIES (256) -#define IWL_TRAFFIC_ENTRY_SIZE (64) - -/***************************************************** -* DRIVER STATUS FUNCTIONS -******************************************************/ -#define STATUS_HCMD_ACTIVE 0 /* host command in progress */ -/* 1 is unused (used to be STATUS_HCMD_SYNC_ACTIVE) */ -#define STATUS_INT_ENABLED 2 -#define STATUS_RF_KILL_HW 3 -#define STATUS_CT_KILL 4 -#define STATUS_INIT 5 -#define STATUS_ALIVE 6 -#define STATUS_READY 7 -#define STATUS_TEMPERATURE 8 -#define STATUS_GEO_CONFIGURED 9 -#define STATUS_EXIT_PENDING 10 -#define STATUS_STATISTICS 12 -#define STATUS_SCANNING 13 -#define STATUS_SCAN_ABORTING 14 -#define STATUS_SCAN_HW 15 -#define STATUS_POWER_PMI 16 -#define STATUS_FW_ERROR 17 -#define STATUS_DEVICE_ENABLED 18 -#define STATUS_CHANNEL_SWITCH_PENDING 19 -#define STATUS_SCAN_COMPLETE 20 - -static inline int iwl_is_ready(struct iwl_shared *shrd) -{ - /* The adapter is 'ready' if READY and GEO_CONFIGURED bits are - * set but EXIT_PENDING is not */ - return test_bit(STATUS_READY, &shrd->status) && - test_bit(STATUS_GEO_CONFIGURED, &shrd->status) && - !test_bit(STATUS_EXIT_PENDING, &shrd->status); -} - -static inline int iwl_is_alive(struct iwl_shared *shrd) -{ - return test_bit(STATUS_ALIVE, &shrd->status); -} - -static inline int iwl_is_init(struct iwl_shared *shrd) -{ - return test_bit(STATUS_INIT, &shrd->status); -} - -static inline int iwl_is_rfkill_hw(struct iwl_shared *shrd) -{ - return test_bit(STATUS_RF_KILL_HW, &shrd->status); -} - -static inline int iwl_is_rfkill(struct iwl_shared *shrd) -{ - return iwl_is_rfkill_hw(shrd); -} - -static inline int iwl_is_ctkill(struct iwl_shared *shrd) -{ - return test_bit(STATUS_CT_KILL, &shrd->status); -} - -static inline int iwl_is_ready_rf(struct iwl_shared *shrd) -{ - if (iwl_is_rfkill(shrd)) - return 0; - - return iwl_is_ready(shrd); -} - -#endif /* #__iwl_shared_h__ */ |