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Release 4.11 drivers/net/wireless/ti/wlcore/wlcore_i.h

Directory: drivers/net/wireless/ti/wlcore
/*
 * This file is part of wl1271
 *
 * Copyright (C) 1998-2009 Texas Instruments. All rights reserved.
 * Copyright (C) 2008-2009 Nokia Corporation
 *
 * Contact: Luciano Coelho <luciano.coelho@nokia.com>
 *
 * 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.
 *
 * 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 St, Fifth Floor, Boston, MA
 * 02110-1301 USA
 *
 */

#ifndef __WLCORE_I_H__

#define __WLCORE_I_H__

#include <linux/mutex.h>
#include <linux/completion.h>
#include <linux/spinlock.h>
#include <linux/list.h>
#include <linux/bitops.h>
#include <net/mac80211.h>

#include "conf.h"
#include "ini.h"


struct wilink_family_data {
	
const char *name;
	
const char *nvs_name;	/* wl12xx nvs file */
	
const char *cfg_name;	/* wl18xx cfg file */
};


#define WL1271_TX_SECURITY_LO16(s) ((u16)((s) & 0xffff))

#define WL1271_TX_SECURITY_HI32(s) ((u32)(((s) >> 16) & 0xffffffff))

#define WL1271_TX_SQN_POST_RECOVERY_PADDING 0xff
/* Use smaller padding for GEM, as some  APs have issues when it's too big */

#define WL1271_TX_SQN_POST_RECOVERY_PADDING_GEM 0x20



#define WL1271_CIPHER_SUITE_GEM 0x00147201


#define WL1271_BUSY_WORD_CNT 1

#define WL1271_BUSY_WORD_LEN (WL1271_BUSY_WORD_CNT * sizeof(u32))


#define WL1271_ELP_HW_STATE_ASLEEP 0

#define WL1271_ELP_HW_STATE_IRQ    1


#define WL1271_DEFAULT_BEACON_INT  100

#define WL1271_DEFAULT_DTIM_PERIOD 1


#define WL12XX_MAX_ROLES           4

#define WL12XX_INVALID_ROLE_ID     0xff

#define WL12XX_INVALID_LINK_ID     0xff

/*
 * max number of links allowed by all HWs.
 * this is NOT the actual max links supported by the current hw.
 */

#define WLCORE_MAX_LINKS 16

/* the driver supports the 2.4Ghz and 5Ghz bands */

#define WLCORE_NUM_BANDS           2


#define WL12XX_MAX_RATE_POLICIES 16

#define WLCORE_MAX_KLV_TEMPLATES 4

/* Defined by FW as 0. Will not be freed or allocated. */

#define WL12XX_SYSTEM_HLID         0

/*
 * When in AP-mode, we allow (at least) this number of packets
 * to be transmitted to FW for a STA in PS-mode. Only when packets are
 * present in the FW buffers it will wake the sleeping STA. We want to put
 * enough packets for the driver to transmit all of its buffered data before
 * the STA goes to sleep again. But we don't want to take too much memory
 * as it might hurt the throughput of active STAs.
 */

#define WL1271_PS_STA_MAX_PACKETS  2


#define WL1271_AP_BSS_INDEX        0

#define WL1271_AP_DEF_BEACON_EXP   20


enum wlcore_state {
	
WLCORE_STATE_OFF,
	
WLCORE_STATE_RESTARTING,
	
WLCORE_STATE_ON,
};


enum wl12xx_fw_type {
	
WL12XX_FW_TYPE_NONE,
	
WL12XX_FW_TYPE_NORMAL,
	
WL12XX_FW_TYPE_MULTI,
	
WL12XX_FW_TYPE_PLT,
};

struct wl1271;

enum {
	
FW_VER_CHIP,
	
FW_VER_IF_TYPE,
	
FW_VER_MAJOR,
	
FW_VER_SUBTYPE,
	
FW_VER_MINOR,

	
NUM_FW_VER
};


struct wl1271_chip {
	
u32 id;
	
char fw_ver_str[ETHTOOL_FWVERS_LEN];
	
unsigned int fw_ver[NUM_FW_VER];
	
char phy_fw_ver_str[ETHTOOL_FWVERS_LEN];
};


#define NUM_TX_QUEUES              4


struct wl_fw_status {
	
u32 intr;
	
u8  fw_rx_counter;
	
u8  drv_rx_counter;
	
u8  tx_results_counter;
	
__le32 *rx_pkt_descs;

	
u32 fw_localtime;

	/*
         * A bitmap (where each bit represents a single HLID)
         * to indicate if the station is in PS mode.
         */
	
u32 link_ps_bitmap;

	/*
         * A bitmap (where each bit represents a single HLID) to indicate
         * if the station is in Fast mode
         */
	
u32 link_fast_bitmap;

	/* Cumulative counter of total released mem blocks since FW-reset */
	
u32 total_released_blks;

	/* Size (in Memory Blocks) of TX pool */
	
u32 tx_total;

	struct {
		/*
                 * Cumulative counter of released packets per AC
                 * (length of the array is NUM_TX_QUEUES)
                 */
		
u8 *tx_released_pkts;

		/*
                 * Cumulative counter of freed packets per HLID
                 * (length of the array is wl->num_links)
                 */
		
u8 *tx_lnk_free_pkts;

		/* Cumulative counter of released Voice memory blocks */
		
u8 tx_voice_released_blks;

		/* Tx rate of the last transmitted packet */
		
u8 tx_last_rate;

		/* Tx rate or Tx rate estimate pre calculated by fw in mbps */
		
u8 tx_last_rate_mbps;

		/* hlid for which the rates were reported */
		
u8 hlid;
	} 
counters;

	
u32 log_start_addr;

	/* Private status to be used by the lower drivers */
	
void *priv;
};


#define WL1271_MAX_CHANNELS 64

struct wl1271_scan {
	
struct cfg80211_scan_request *req;
	
unsigned long scanned_ch[BITS_TO_LONGS(WL1271_MAX_CHANNELS)];
	
bool failed;
	
u8 state;
	
u8 ssid[IEEE80211_MAX_SSID_LEN+1];
	
size_t ssid_len;
};


struct wl1271_if_operations {
	
int __must_check (*read)(struct device *child, int addr, void *buf,
				 size_t len, bool fixed);
	
int __must_check (*write)(struct device *child, int addr, void *buf,
				  size_t len, bool fixed);
	
void (*reset)(struct device *child);
	
void (*init)(struct device *child);
	
int (*power)(struct device *child, bool enable);
	
void (*set_block_size) (struct device *child, unsigned int blksz);
};


struct wlcore_platdev_data {
	
struct wl1271_if_operations *if_ops;
	
const struct wilink_family_data *family;

	
bool ref_clock_xtal;	/* specify whether the clock is XTAL or not */
	
u32 ref_clock_freq;	/* in Hertz */
	
u32 tcxo_clock_freq;	/* in Hertz, tcxo is always XTAL */
	
bool pwr_in_suspend;
};


#define MAX_NUM_KEYS 14

#define MAX_KEY_SIZE 32


struct wl1271_ap_key {
	
u8 id;
	
u8 key_type;
	
u8 key_size;
	
u8 key[MAX_KEY_SIZE];
	
u8 hlid;
	
u32 tx_seq_32;
	
u16 tx_seq_16;
};


enum wl12xx_flags {
	
WL1271_FLAG_GPIO_POWER,
	
WL1271_FLAG_TX_QUEUE_STOPPED,
	
WL1271_FLAG_TX_PENDING,
	
WL1271_FLAG_IN_ELP,
	
WL1271_FLAG_ELP_REQUESTED,
	
WL1271_FLAG_IRQ_RUNNING,
	
WL1271_FLAG_FW_TX_BUSY,
	
WL1271_FLAG_DUMMY_PACKET_PENDING,
	
WL1271_FLAG_SUSPENDED,
	
WL1271_FLAG_PENDING_WORK,
	
WL1271_FLAG_SOFT_GEMINI,
	
WL1271_FLAG_RECOVERY_IN_PROGRESS,
	
WL1271_FLAG_VIF_CHANGE_IN_PROGRESS,
	
WL1271_FLAG_INTENDED_FW_RECOVERY,
	
WL1271_FLAG_IO_FAILED,
	
WL1271_FLAG_REINIT_TX_WDOG,
};


enum wl12xx_vif_flags {
	
WLVIF_FLAG_INITIALIZED,
	
WLVIF_FLAG_STA_ASSOCIATED,
	
WLVIF_FLAG_STA_AUTHORIZED,
	
WLVIF_FLAG_IBSS_JOINED,
	
WLVIF_FLAG_AP_STARTED,
	
WLVIF_FLAG_IN_PS,
	
WLVIF_FLAG_STA_STATE_SENT,
	
WLVIF_FLAG_RX_STREAMING_STARTED,
	
WLVIF_FLAG_PSPOLL_FAILURE,
	
WLVIF_FLAG_CS_PROGRESS,
	
WLVIF_FLAG_AP_PROBE_RESP_SET,
	
WLVIF_FLAG_IN_USE,
	
WLVIF_FLAG_ACTIVE,
	
WLVIF_FLAG_BEACON_DISABLED,
};

struct wl12xx_vif;


struct wl1271_link {
	/* AP-mode - TX queue per AC in link */
	
struct sk_buff_head tx_queue[NUM_TX_QUEUES];

	/* accounting for allocated / freed packets in FW */
	
u8 allocated_pkts;
	
u8 prev_freed_pkts;

	
u8 addr[ETH_ALEN];

	/* bitmap of TIDs where RX BA sessions are active for this link */
	
u8 ba_bitmap;

	/* the last fw rate index we used for this link */
	
u8 fw_rate_idx;

	/* the last fw rate [Mbps] we used for this link */
	
u8 fw_rate_mbps;

	/* The wlvif this link belongs to. Might be null for global links */
	
struct wl12xx_vif *wlvif;

	/*
         * total freed FW packets on the link - used for tracking the
         * AES/TKIP PN across recoveries. Re-initialized each time
         * from the wl1271_station structure.
         */
	
u64 total_freed_pkts;
};


#define WL1271_MAX_RX_FILTERS 5

#define WL1271_RX_FILTER_MAX_FIELDS 8


#define WL1271_RX_FILTER_ETH_HEADER_SIZE 14

#define WL1271_RX_FILTER_MAX_FIELDS_SIZE 95

#define RX_FILTER_FIELD_OVERHEAD				\
	(sizeof(struct wl12xx_rx_filter_field) - sizeof(u8 *))

#define WL1271_RX_FILTER_MAX_PATTERN_SIZE			\
	(WL1271_RX_FILTER_MAX_FIELDS_SIZE - RX_FILTER_FIELD_OVERHEAD)


#define WL1271_RX_FILTER_FLAG_MASK                BIT(0)

#define WL1271_RX_FILTER_FLAG_IP_HEADER           0

#define WL1271_RX_FILTER_FLAG_ETHERNET_HEADER     BIT(1)


enum rx_filter_action {
	
FILTER_DROP = 0,
	
FILTER_SIGNAL = 1,
	
FILTER_FW_HANDLE = 2
};


enum plt_mode {
	
PLT_OFF = 0,
	
PLT_ON = 1,
	
PLT_FEM_DETECT = 2,
	
PLT_CHIP_AWAKE = 3
};


struct wl12xx_rx_filter_field {
	
__le16 offset;
	
u8 len;
	
u8 flags;
	
u8 *pattern;
} 
__packed;


struct wl12xx_rx_filter {
	
u8 action;
	
int num_fields;
	
struct wl12xx_rx_filter_field fields[WL1271_RX_FILTER_MAX_FIELDS];
};


struct wl1271_station {
	
u8 hlid;
	
bool in_connection;

	/*
         * total freed FW packets on the link to the STA - used for tracking the
         * AES/TKIP PN across recoveries. Re-initialized each time from the
         * wl1271_station structure.
         * Used in both AP and STA mode.
         */
	
u64 total_freed_pkts;
};


struct wl12xx_vif {
	
struct wl1271 *wl;
	
struct list_head list;
	
unsigned long flags;
	
u8 bss_type;
	
u8 p2p; /* we are using p2p role */
	
u8 role_id;

	/* sta/ibss specific */
	
u8 dev_role_id;
	
u8 dev_hlid;

	union {
		struct {
			
u8 hlid;

			
u8 basic_rate_idx;
			
u8 ap_rate_idx;
			
u8 p2p_rate_idx;

			
u8 klv_template_id;

			
bool qos;
			/* channel type we started the STA role with */
			
enum nl80211_channel_type role_chan_type;
		} 
sta;
		struct {
			
u8 global_hlid;
			
u8 bcast_hlid;

			/* HLIDs bitmap of associated stations */
			
unsigned long sta_hlid_map[BITS_TO_LONGS(
							WLCORE_MAX_LINKS)];

			/* recoreded keys - set here before AP startup */
			
struct wl1271_ap_key *recorded_keys[MAX_NUM_KEYS];

			
u8 mgmt_rate_idx;
			
u8 bcast_rate_idx;
			
u8 ucast_rate_idx[CONF_TX_MAX_AC_COUNT];
		} 
ap;
	};

	/* the hlid of the last transmitted skb */
	
int last_tx_hlid;

	/* counters of packets per AC, across all links in the vif */
	
int tx_queue_count[NUM_TX_QUEUES];

	
unsigned long links_map[BITS_TO_LONGS(WLCORE_MAX_LINKS)];

	
u8 ssid[IEEE80211_MAX_SSID_LEN + 1];
	
u8 ssid_len;

	/* The current band */
	
enum nl80211_band band;
	
int channel;
	
enum nl80211_channel_type channel_type;

	
u32 bitrate_masks[WLCORE_NUM_BANDS];
	
u32 basic_rate_set;

	/*
         * currently configured rate set:
         *      bits  0-15 - 802.11abg rates
         *      bits 16-23 - 802.11n   MCS index mask
         * support only 1 stream, thus only 8 bits for the MCS rates (0-7).
         */
	
u32 basic_rate;
	
u32 rate_set;

	/* probe-req template for the current AP */
	
struct sk_buff *probereq;

	/* Beaconing interval (needed for ad-hoc) */
	
u32 beacon_int;

	/* Default key (for WEP) */
	
u32 default_key;

	/* Our association ID */
	
u16 aid;

	/* retry counter for PSM entries */
	
u8 psm_entry_retry;

	/* in dBm */
	
int power_level;

	
int rssi_thold;
	
int last_rssi_event;

	/* save the current encryption type for auto-arp config */
	
u8 encryption_type;
	
__be32 ip_addr;

	/* RX BA constraint value */
	
bool ba_support;
	
bool ba_allowed;

	
bool wmm_enabled;

	
bool radar_enabled;

	/* Rx Streaming */
	
struct work_struct rx_streaming_enable_work;
	
struct work_struct rx_streaming_disable_work;
	
struct timer_list rx_streaming_timer;

	
struct delayed_work channel_switch_work;
	
struct delayed_work connection_loss_work;

	/* number of in connection stations */
	
int inconn_count;

	/*
         * This vif's queues are mapped to mac80211 HW queues as:
         * VO - hw_queue_base
         * VI - hw_queue_base + 1
         * BE - hw_queue_base + 2
         * BK - hw_queue_base + 3
         */
	
int hw_queue_base;

	/* do we have a pending auth reply? (and ROC) */
	
bool ap_pending_auth_reply;

	/* time when we sent the pending auth reply */
	
unsigned long pending_auth_reply_time;

	/* work for canceling ROC after pending auth reply */
	
struct delayed_work pending_auth_complete_work;

	/* update rate conrol */
	
enum ieee80211_sta_rx_bandwidth rc_update_bw;
	
struct ieee80211_sta_ht_cap rc_ht_cap;
	
struct work_struct rc_update_work;

	/*
         * total freed FW packets on the link.
         * For STA this holds the PN of the link to the AP.
         * For AP this holds the PN of the broadcast link.
         */
	
u64 total_freed_pkts;

	/*
         * This struct must be last!
         * data that has to be saved acrossed reconfigs (e.g. recovery)
         * should be declared in this struct.
         */
	struct {
		
u8 persistent[0];
	};
};




static inline struct wl12xx_vif *wl12xx_vif_to_data(struct ieee80211_vif *vif)
{
	WARN_ON(!vif);
	return (struct wl12xx_vif *)vif->drv_priv;
}


Contributors
PersonTokensPropCommitsCommitProp
Eliad Peller2480.00%150.00%


Arik Nemtsov620.00%150.00%


Total30100.00%2100.00%





static inline

struct ieee80211_vif *wl12xx_wlvif_to_vif(struct wl12xx_vif *wlvif)
{
	return container_of((void *)wlvif, struct ieee80211_vif, drv_priv);
}


Contributors
PersonTokensPropCommitsCommitProp
Eliad Peller29100.00%1100.00%


Total29100.00%1100.00%






static inline bool wlcore_is_p2p_mgmt(struct wl12xx_vif *wlvif)
{
	return wl12xx_wlvif_to_vif(wlvif)->type == NL80211_IFTYPE_P2P_DEVICE;
}


Contributors
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Eliad Peller22100.00%1100.00%


Total22100.00%1100.00%




#define wl12xx_for_each_wlvif(wl, wlvif) \
		list_for_each_entry(wlvif, &wl->wlvif_list, list)


#define wl12xx_for_each_wlvif_continue(wl, wlvif) \
		list_for_each_entry_continue(wlvif, &wl->wlvif_list, list)


#define wl12xx_for_each_wlvif_bss_type(wl, wlvif, _bss_type)	\
		wl12xx_for_each_wlvif(wl, wlvif)                \
                        if (wlvif->bss_type == _bss_type)


#define wl12xx_for_each_wlvif_sta(wl, wlvif)	\
		wl12xx_for_each_wlvif_bss_type(wl, wlvif, BSS_TYPE_STA_BSS)


#define wl12xx_for_each_wlvif_ap(wl, wlvif)	\
		wl12xx_for_each_wlvif_bss_type(wl, wlvif, BSS_TYPE_AP_BSS)

int wl1271_plt_start(struct wl1271 *wl, const enum plt_mode plt_mode);
int wl1271_plt_stop(struct wl1271 *wl);
int wl1271_recalc_rx_streaming(struct wl1271 *wl, struct wl12xx_vif *wlvif);
void wl12xx_queue_recovery_work(struct wl1271 *wl);
size_t wl12xx_copy_fwlog(struct wl1271 *wl, u8 *memblock, size_t maxlen);
int wl1271_rx_filter_alloc_field(struct wl12xx_rx_filter *filter,
				 u16 offset, u8 flags,
				 const u8 *pattern, u8 len);
void wl1271_rx_filter_free(struct wl12xx_rx_filter *filter);
struct wl12xx_rx_filter *wl1271_rx_filter_alloc(void);
int wl1271_rx_filter_get_fields_size(struct wl12xx_rx_filter *filter);
void wl1271_rx_filter_flatten_fields(struct wl12xx_rx_filter *filter,
				     u8 *buf);


#define JOIN_TIMEOUT 5000 
/* 5000 milliseconds to join */


#define SESSION_COUNTER_MAX 6 
/* maximum value for the session counter */

#define SESSION_COUNTER_INVALID 7 
/* used with dummy_packet */


#define WL1271_DEFAULT_POWER_LEVEL 0


#define WL1271_TX_QUEUE_LOW_WATERMARK  32

#define WL1271_TX_QUEUE_HIGH_WATERMARK 256


#define WL1271_DEFERRED_QUEUE_LIMIT    64

/* WL1271 needs a 200ms sleep after power on, and a 20ms sleep before power
   on in case is has been shut down shortly before */

#define WL1271_PRE_POWER_ON_SLEEP 20 
/* in milliseconds */

#define WL1271_POWER_ON_SLEEP 200 
/* in milliseconds */

/* Macros to handle wl1271.sta_rate_set */

#define HW_BG_RATES_MASK	0xffff

#define HW_HT_RATES_OFFSET	16

#define HW_MIMO_RATES_OFFSET	24

#endif /* __WLCORE_I_H__ */

Overall Contributors
PersonTokensPropCommitsCommitProp
Eliad Peller56440.99%7146.71%


Arik Nemtsov16912.28%2717.76%


Luciano Coelho16111.70%74.61%


Eyal Shapira15311.12%42.63%


Teemu Paasikivi997.19%31.97%


Juuso Oikarinen533.85%127.89%


Ido Yariv483.49%106.58%


Yair Shapira302.18%31.97%


Tony Lindgren282.03%10.66%


Shahar Levi271.96%42.63%


Maxim Altshul161.16%10.66%


Felipe Balbi120.87%10.66%


Maital Hahn40.29%10.66%


Oz Krakowski40.29%10.66%


Johannes Berg30.22%31.97%


Jiri Pirko20.15%10.66%


Stefan Weil20.15%10.66%


Ohad Ben-Cohen10.07%10.66%


Total1376100.00%152100.00%


Directory: drivers/net/wireless/ti/wlcore



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