324 lines
8.2 KiB
C
324 lines
8.2 KiB
C
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/*
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* Common private data for ST-Ericsson CW1200 drivers
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*
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* Copyright (c) 2010, ST-Ericsson
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* Author: Dmitry Tarnyagin <dmitry.tarnyagin@lockless.no>
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*
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* Based on the mac80211 Prism54 code, which is
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* Copyright (c) 2006, Michael Wu <flamingice@sourmilk.net>
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*
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* Based on the islsm (softmac prism54) driver, which is:
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* Copyright 2004-2006 Jean-Baptiste Note <jbnote@gmail.com>, et al.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 as
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* published by the Free Software Foundation.
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*/
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#ifndef CW1200_H
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#define CW1200_H
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#include <linux/wait.h>
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#include <linux/mutex.h>
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#include <linux/workqueue.h>
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#include <net/mac80211.h>
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#include "queue.h"
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#include "wsm.h"
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#include "scan.h"
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#include "txrx.h"
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#include "pm.h"
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/* Forward declarations */
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struct hwbus_ops;
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struct task_struct;
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struct cw1200_debug_priv;
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struct firmware;
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#define CW1200_MAX_CTRL_FRAME_LEN (0x1000)
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#define CW1200_MAX_STA_IN_AP_MODE (5)
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#define CW1200_LINK_ID_AFTER_DTIM (CW1200_MAX_STA_IN_AP_MODE + 1)
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#define CW1200_LINK_ID_UAPSD (CW1200_MAX_STA_IN_AP_MODE + 2)
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#define CW1200_LINK_ID_MAX (CW1200_MAX_STA_IN_AP_MODE + 3)
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#define CW1200_MAX_REQUEUE_ATTEMPTS (5)
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#define CW1200_MAX_TID (8)
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#define CW1200_BLOCK_ACK_CNT (30)
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#define CW1200_BLOCK_ACK_THLD (800)
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#define CW1200_BLOCK_ACK_HIST (3)
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#define CW1200_BLOCK_ACK_INTERVAL (1 * HZ / CW1200_BLOCK_ACK_HIST)
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#define CW1200_JOIN_TIMEOUT (1 * HZ)
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#define CW1200_AUTH_TIMEOUT (5 * HZ)
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struct cw1200_ht_info {
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struct ieee80211_sta_ht_cap ht_cap;
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enum nl80211_channel_type channel_type;
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u16 operation_mode;
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};
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/* Please keep order */
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enum cw1200_join_status {
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CW1200_JOIN_STATUS_PASSIVE = 0,
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CW1200_JOIN_STATUS_MONITOR,
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CW1200_JOIN_STATUS_JOINING,
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CW1200_JOIN_STATUS_PRE_STA,
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CW1200_JOIN_STATUS_STA,
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CW1200_JOIN_STATUS_IBSS,
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CW1200_JOIN_STATUS_AP,
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};
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enum cw1200_link_status {
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CW1200_LINK_OFF,
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CW1200_LINK_RESERVE,
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CW1200_LINK_SOFT,
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CW1200_LINK_HARD,
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CW1200_LINK_RESET,
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CW1200_LINK_RESET_REMAP,
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};
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extern int cw1200_power_mode;
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extern const char * const cw1200_fw_types[];
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struct cw1200_link_entry {
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unsigned long timestamp;
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enum cw1200_link_status status;
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enum cw1200_link_status prev_status;
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u8 mac[ETH_ALEN];
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u8 buffered[CW1200_MAX_TID];
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struct sk_buff_head rx_queue;
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};
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struct cw1200_common {
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/* interfaces to the rest of the stack */
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struct ieee80211_hw *hw;
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struct ieee80211_vif *vif;
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struct device *pdev;
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/* Statistics */
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struct ieee80211_low_level_stats stats;
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/* Our macaddr */
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u8 mac_addr[ETH_ALEN];
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/* Hardware interface */
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const struct hwbus_ops *hwbus_ops;
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struct hwbus_priv *hwbus_priv;
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/* Hardware information */
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enum {
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HIF_9000_SILICON_VERSATILE = 0,
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HIF_8601_VERSATILE,
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HIF_8601_SILICON,
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} hw_type;
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enum {
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CW1200_HW_REV_CUT10 = 10,
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CW1200_HW_REV_CUT11 = 11,
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CW1200_HW_REV_CUT20 = 20,
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CW1200_HW_REV_CUT22 = 22,
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CW1X60_HW_REV = 40,
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} hw_revision;
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int hw_refclk;
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bool hw_have_5ghz;
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const struct firmware *sdd;
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char *sdd_path;
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struct cw1200_debug_priv *debug;
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struct workqueue_struct *workqueue;
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struct mutex conf_mutex;
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struct cw1200_queue tx_queue[4];
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struct cw1200_queue_stats tx_queue_stats;
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int tx_burst_idx;
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/* firmware/hardware info */
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unsigned int tx_hdr_len;
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/* Radio data */
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int output_power;
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/* BBP/MAC state */
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struct ieee80211_rate *rates;
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struct ieee80211_rate *mcs_rates;
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struct ieee80211_channel *channel;
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struct wsm_edca_params edca;
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struct wsm_tx_queue_params tx_queue_params;
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struct wsm_mib_association_mode association_mode;
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struct wsm_set_bss_params bss_params;
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struct cw1200_ht_info ht_info;
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struct wsm_set_pm powersave_mode;
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struct wsm_set_pm firmware_ps_mode;
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int cqm_rssi_thold;
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unsigned cqm_rssi_hyst;
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bool cqm_use_rssi;
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int cqm_beacon_loss_count;
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int channel_switch_in_progress;
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wait_queue_head_t channel_switch_done;
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u8 long_frame_max_tx_count;
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u8 short_frame_max_tx_count;
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int mode;
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bool enable_beacon;
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int beacon_int;
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bool listening;
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struct wsm_rx_filter rx_filter;
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struct wsm_mib_multicast_filter multicast_filter;
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bool has_multicast_subscription;
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bool disable_beacon_filter;
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struct work_struct update_filtering_work;
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struct work_struct set_beacon_wakeup_period_work;
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u8 ba_rx_tid_mask;
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u8 ba_tx_tid_mask;
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struct cw1200_pm_state pm_state;
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struct wsm_p2p_ps_modeinfo p2p_ps_modeinfo;
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struct wsm_uapsd_info uapsd_info;
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bool setbssparams_done;
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bool bt_present;
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u8 conf_listen_interval;
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u32 listen_interval;
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u32 erp_info;
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u32 rts_threshold;
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/* BH */
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atomic_t bh_rx;
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atomic_t bh_tx;
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atomic_t bh_term;
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atomic_t bh_suspend;
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struct workqueue_struct *bh_workqueue;
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struct work_struct bh_work;
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int bh_error;
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wait_queue_head_t bh_wq;
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wait_queue_head_t bh_evt_wq;
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u8 buf_id_tx;
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u8 buf_id_rx;
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u8 wsm_rx_seq;
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u8 wsm_tx_seq;
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int hw_bufs_used;
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bool powersave_enabled;
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bool device_can_sleep;
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/* Scan status */
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struct cw1200_scan scan;
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/* Keep cw1200 awake (WUP = 1) 1 second after each scan to avoid
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* FW issue with sleeping/waking up.
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*/
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atomic_t recent_scan;
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struct delayed_work clear_recent_scan_work;
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/* WSM */
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struct wsm_startup_ind wsm_caps;
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struct mutex wsm_cmd_mux;
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struct wsm_buf wsm_cmd_buf;
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struct wsm_cmd wsm_cmd;
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wait_queue_head_t wsm_cmd_wq;
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wait_queue_head_t wsm_startup_done;
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int firmware_ready;
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atomic_t tx_lock;
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/* WSM debug */
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int wsm_enable_wsm_dumps;
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/* WSM Join */
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enum cw1200_join_status join_status;
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u32 pending_frame_id;
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bool join_pending;
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struct delayed_work join_timeout;
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struct work_struct unjoin_work;
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struct work_struct join_complete_work;
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int join_complete_status;
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int join_dtim_period;
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bool delayed_unjoin;
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/* TX/RX and security */
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s8 wep_default_key_id;
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struct work_struct wep_key_work;
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u32 key_map;
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struct wsm_add_key keys[WSM_KEY_MAX_INDEX + 1];
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/* AP powersave */
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u32 link_id_map;
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struct cw1200_link_entry link_id_db[CW1200_MAX_STA_IN_AP_MODE];
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struct work_struct link_id_work;
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struct delayed_work link_id_gc_work;
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u32 sta_asleep_mask;
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u32 pspoll_mask;
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bool aid0_bit_set;
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spinlock_t ps_state_lock; /* Protect power save state */
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bool buffered_multicasts;
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bool tx_multicast;
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struct work_struct set_tim_work;
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struct work_struct set_cts_work;
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struct work_struct multicast_start_work;
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struct work_struct multicast_stop_work;
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struct timer_list mcast_timeout;
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/* WSM events and CQM implementation */
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spinlock_t event_queue_lock; /* Protect event queue */
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struct list_head event_queue;
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struct work_struct event_handler;
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struct delayed_work bss_loss_work;
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spinlock_t bss_loss_lock; /* Protect BSS loss state */
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int bss_loss_state;
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u32 bss_loss_confirm_id;
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int delayed_link_loss;
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struct work_struct bss_params_work;
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/* TX rate policy cache */
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struct tx_policy_cache tx_policy_cache;
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struct work_struct tx_policy_upload_work;
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/* legacy PS mode switch in suspend */
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int ps_mode_switch_in_progress;
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wait_queue_head_t ps_mode_switch_done;
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/* Workaround for WFD testcase 6.1.10*/
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struct work_struct linkid_reset_work;
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u8 action_frame_sa[ETH_ALEN];
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u8 action_linkid;
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};
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struct cw1200_sta_priv {
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int link_id;
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};
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/* interfaces for the drivers */
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int cw1200_core_probe(const struct hwbus_ops *hwbus_ops,
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struct hwbus_priv *hwbus,
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struct device *pdev,
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struct cw1200_common **pself,
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int ref_clk, const u8 *macaddr,
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const char *sdd_path, bool have_5ghz);
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void cw1200_core_release(struct cw1200_common *self);
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#define FWLOAD_BLOCK_SIZE (1024)
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static inline int cw1200_is_ht(const struct cw1200_ht_info *ht_info)
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{
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return ht_info->channel_type != NL80211_CHAN_NO_HT;
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}
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static inline int cw1200_ht_greenfield(const struct cw1200_ht_info *ht_info)
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{
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return cw1200_is_ht(ht_info) &&
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(ht_info->ht_cap.cap & IEEE80211_HT_CAP_GRN_FLD) &&
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!(ht_info->operation_mode &
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IEEE80211_HT_OP_MODE_NON_GF_STA_PRSNT);
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}
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static inline int cw1200_ht_ampdu_density(const struct cw1200_ht_info *ht_info)
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{
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if (!cw1200_is_ht(ht_info))
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return 0;
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return ht_info->ht_cap.ampdu_density;
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}
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#endif /* CW1200_H */
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