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