[PATCH] Marvell Libertas 8388 802.11b/g USB driver

Add the Marvell Libertas 8388 802.11 USB driver.

Signed-off-by: Marcelo Tosatti <marcelo@kvack.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

1 files changed, 403 insertions, 0 deletions

diff --git a/drivers/net/wireless/libertas/dev.h b/drivers/net/wireless/libertas/dev.h
new file mode 100644
index 00000000000..b1f876f9693
--- /dev/null
+++ b/drivers/net/wireless/libertas/dev.h
@@ -0,0 +1,403 @@
+/**
+  * This file contains definitions and data structures specific
+  * to Marvell 802.11 NIC. It contains the Device Information
+  * structure wlan_adapter.
+  */
+#ifndef _WLAN_DEV_H_
+#define _WLAN_DEV_H_
+
+#include <linux/netdevice.h>
+#include <linux/wireless.h>
+#include <linux/ethtool.h>
+#include <linux/debugfs.h>
+
+#include "defs.h"
+#include "scan.h"
+#include "thread.h"
+
+extern struct ethtool_ops libertas_ethtool_ops;
+
+#define	MAX_BSSID_PER_CHANNEL		16
+
+#define NR_TX_QUEUE			3
+
+/* For the extended Scan */
+#define MAX_EXTENDED_SCAN_BSSID_LIST    MAX_BSSID_PER_CHANNEL * \
+						MRVDRV_MAX_CHANNEL_SIZE + 1
+
+#define	MAX_REGION_CHANNEL_NUM	2
+
+/** Chan-freq-TxPower mapping table*/
+struct chan_freq_power {
+	/** channel Number		*/
+	u16 channel;
+	/** frequency of this channel	*/
+	u32 freq;
+	/** Max allowed Tx power level	*/
+	u16 maxtxpower;
+	/** TRUE:channel unsupported;  FLASE:supported*/
+	u8 unsupported;
+};
+
+/** region-band mapping table*/
+struct region_channel {
+	/** TRUE if this entry is valid		     */
+	u8 valid;
+	/** region code for US, Japan ...	     */
+	u8 region;
+	/** band B/G/A, used for BAND_CONFIG cmd	     */
+	u8 band;
+	/** Actual No. of elements in the array below */
+	u8 nrcfp;
+	/** chan-freq-txpower mapping table*/
+	struct chan_freq_power *CFP;
+};
+
+struct wlan_802_11_security {
+	u8 WPAenabled;
+	u8 WPA2enabled;
+	enum WLAN_802_11_WEP_STATUS WEPstatus;
+	enum WLAN_802_11_AUTHENTICATION_MODE authmode;
+	enum WLAN_802_1X_AUTH_ALG auth1xalg;
+	enum WLAN_802_11_ENCRYPTION_MODE Encryptionmode;
+};
+
+/** Current Basic Service Set State Structure */
+struct current_bss_params {
+	struct bss_descriptor bssdescriptor;
+	/** bssid */
+	u8 bssid[ETH_ALEN];
+	/** ssid */
+	struct WLAN_802_11_SSID ssid;
+
+	/** band */
+	u8 band;
+	/** channel */
+	u8 channel;
+	/** number of rates supported */
+	int numofrates;
+	/** supported rates*/
+	u8 datarates[WLAN_SUPPORTED_RATES];
+};
+
+/** sleep_params */
+struct sleep_params {
+	u16 sp_error;
+	u16 sp_offset;
+	u16 sp_stabletime;
+	u8 sp_calcontrol;
+	u8 sp_extsleepclk;
+	u16 sp_reserved;
+};
+
+/** Data structure for the Marvell WLAN device */
+typedef struct _wlan_dev {
+	/** device name */
+	char name[DEV_NAME_LEN];
+	/** card pointer */
+	void *card;
+	/** IO port */
+	u32 ioport;
+	/** Upload received */
+	u32 upld_rcv;
+	/** Upload type */
+	u32 upld_typ;
+	/** Upload length */
+	u32 upld_len;
+	/** netdev pointer */
+	struct net_device *netdev;
+	/* Upload buffer */
+	u8 upld_buf[WLAN_UPLD_SIZE];
+	/* Download sent:
+	   bit0 1/0=data_sent/data_tx_done,
+	   bit1 1/0=cmd_sent/cmd_tx_done,
+	   all other bits reserved 0 */
+	u8 dnld_sent;
+} wlan_dev_t, *pwlan_dev_t;
+
+/* Mesh statistics */
+struct wlan_mesh_stats {
+	u32	fwd_bcast_cnt;		/* Fwd: Broadcast counter */
+	u32	fwd_unicast_cnt;	/* Fwd: Unicast counter */
+	u32	fwd_drop_ttl;		/* Fwd: TTL zero */
+	u32	fwd_drop_rbt;		/* Fwd: Recently Broadcasted */
+	u32	fwd_drop_noroute; 	/* Fwd: No route to Destination */
+	u32	fwd_drop_nobuf;		/* Fwd: Run out of internal buffers */
+	u32	drop_blind;		/* Rx:  Dropped by blinding table */
+};
+
+/** Private structure for the MV device */
+struct _wlan_private {
+	int open;
+	int mesh_open;
+	int infra_open;
+
+	wlan_adapter *adapter;
+	wlan_dev_t wlan_dev;
+
+	struct net_device_stats stats;
+	struct net_device *mesh_dev ; /* Virtual device */
+
+	struct iw_statistics wstats;
+	struct wlan_mesh_stats mstats;
+	struct dentry *debugfs_dir;
+	struct dentry *debugfs_debug;
+	struct dentry *debugfs_files[6];
+
+	struct dentry *events_dir;
+	struct dentry *debugfs_events_files[6];
+
+	struct dentry *regs_dir;
+	struct dentry *debugfs_regs_files[6];
+
+	u32 mac_offset;
+	u32 bbp_offset;
+	u32 rf_offset;
+
+	const struct firmware *firmware;
+	struct device *hotplug_device;
+
+	/** thread to service interrupts */
+	struct wlan_thread mainthread;
+
+	struct delayed_work assoc_work;
+	struct workqueue_struct *assoc_thread;
+};
+
+/** Association request
+ *
+ * Encapsulates all the options that describe a specific assocation request
+ * or configuration of the wireless card's radio, mode, and security settings.
+ */
+struct assoc_request {
+#define ASSOC_FLAG_SSID			1
+#define ASSOC_FLAG_CHANNEL		2
+#define ASSOC_FLAG_MODE			3
+#define ASSOC_FLAG_BSSID		4
+#define ASSOC_FLAG_WEP_KEYS		5
+#define ASSOC_FLAG_WEP_TX_KEYIDX	6
+#define ASSOC_FLAG_WPA_MCAST_KEY	7
+#define ASSOC_FLAG_WPA_UCAST_KEY	8
+#define ASSOC_FLAG_SECINFO		9
+#define ASSOC_FLAG_WPA_IE		10
+	unsigned long flags;
+
+	struct WLAN_802_11_SSID ssid;
+	u8 channel;
+	enum WLAN_802_11_NETWORK_INFRASTRUCTURE mode;
+	u8 bssid[ETH_ALEN];
+
+	/** WEP keys */
+	struct WLAN_802_11_KEY wep_keys[4];
+	u16 wep_tx_keyidx;
+
+	/** WPA keys */
+	struct WLAN_802_11_KEY wpa_mcast_key;
+	struct WLAN_802_11_KEY wpa_unicast_key;
+
+	struct wlan_802_11_security secinfo;
+
+	/** WPA Information Elements*/
+#define MAX_WPA_IE_LEN 64
+	u8 wpa_ie[MAX_WPA_IE_LEN];
+	u8 wpa_ie_len;
+};
+
+/** Wlan adapter data structure*/
+struct _wlan_adapter {
+	/** STATUS variables */
+	u32 fwreleasenumber;
+	u32 fwcapinfo;
+	/* protected with big lock */
+
+	struct mutex lock;
+
+	u8 tmptxbuf[WLAN_UPLD_SIZE];
+	/* protected by hard_start_xmit serialization */
+
+	/** command-related variables */
+	u16 seqnum;
+	/* protected by big lock */
+
+	struct cmd_ctrl_node *cmd_array;
+	/** Current command */
+	struct cmd_ctrl_node *cur_cmd;
+	int cur_cmd_retcode;
+	/** command Queues */
+	/** Free command buffers */
+	struct list_head cmdfreeq;
+	/** Pending command buffers */
+	struct list_head cmdpendingq;
+
+	wait_queue_head_t cmd_pending;
+	u8 nr_cmd_pending;
+	/* command related variables protected by adapter->driver_lock */
+
+	/** Async and Sync Event variables */
+	u32 intcounter;
+	u32 eventcause;
+	u8 nodename[16];	/* nickname */
+
+	/** spin locks */
+	spinlock_t driver_lock;
+
+	/** Timers */
+	struct timer_list command_timer;
+
+	/* TX queue used in PS mode */
+	spinlock_t txqueue_lock;
+	struct sk_buff *tx_queue_ps[NR_TX_QUEUE];
+	unsigned int tx_queue_idx;
+
+	u8 hisregcpy;
+
+	/** current ssid/bssid related parameters*/
+	struct current_bss_params curbssparams;
+
+	enum WLAN_802_11_NETWORK_INFRASTRUCTURE inframode;
+
+	struct bss_descriptor *pattemptedbssdesc;
+
+	struct WLAN_802_11_SSID previousssid;
+	u8 previousbssid[ETH_ALEN];
+
+	struct bss_descriptor *scantable;
+	u32 numinscantable;
+
+	u8 scantype;
+	u32 scanmode;
+
+	u16 beaconperiod;
+	u8 adhoccreate;
+
+	/** capability Info used in Association, start, join */
+	struct ieeetypes_capinfo capinfo;
+
+	/** MAC address information */
+	u8 current_addr[ETH_ALEN];
+	u8 multicastlist[MRVDRV_MAX_MULTICAST_LIST_SIZE][ETH_ALEN];
+	u32 nr_of_multicastmacaddr;
+
+	/** 802.11 statistics */
+//	struct cmd_DS_802_11_GET_STAT wlan802_11Stat;
+
+	u16 enablehwauto;
+	u16 ratebitmap;
+	/** control G rates */
+	u8 adhoc_grate_enabled;
+
+	u32 txantenna;
+	u32 rxantenna;
+
+	u8 adhocchannel;
+	u32 fragthsd;
+	u32 rtsthsd;
+
+	u32 datarate;
+	u8 is_datarate_auto;
+
+	u16 listeninterval;
+	u16 prescan;
+	u8 txretrycount;
+
+	/** Tx-related variables (for single packet tx) */
+	struct sk_buff *currenttxskb;
+	u16 TxLockFlag;
+
+	/** NIC Operation characteristics */
+	u16 currentpacketfilter;
+	u32 connect_status;
+	u16 regioncode;
+	u16 regiontableindex;
+	u16 txpowerlevel;
+
+	/** POWER MANAGEMENT AND PnP SUPPORT */
+	u8 surpriseremoved;
+	u16 atimwindow;
+
+	u16 psmode;		/* Wlan802_11PowermodeCAM=disable
+				   Wlan802_11PowermodeMAX_PSP=enable */
+	u16 multipledtim;
+	u32 psstate;
+	u8 needtowakeup;
+
+	struct PS_CMD_ConfirmSleep libertas_ps_confirm_sleep;
+	u16 locallisteninterval;
+	u16 nullpktinterval;
+
+	struct assoc_request * assoc_req;
+
+	/** Encryption parameter */
+	struct wlan_802_11_security secinfo;
+
+	/** WEP keys */
+	struct WLAN_802_11_KEY wep_keys[4];
+	u16 wep_tx_keyidx;
+
+	/** WPA keys */
+	struct WLAN_802_11_KEY wpa_mcast_key;
+	struct WLAN_802_11_KEY wpa_unicast_key;
+
+	/** WPA Information Elements*/
+#define MAX_WPA_IE_LEN 64
+	u8 wpa_ie[MAX_WPA_IE_LEN];
+	u8 wpa_ie_len;
+
+	u16 rxantennamode;
+	u16 txantennamode;
+
+	/** Requested Signal Strength*/
+	u16 bcn_avg_factor;
+	u16 data_avg_factor;
+	u16 SNR[MAX_TYPE_B][MAX_TYPE_AVG];
+	u16 NF[MAX_TYPE_B][MAX_TYPE_AVG];
+	u8 RSSI[MAX_TYPE_B][MAX_TYPE_AVG];
+	u8 rawSNR[DEFAULT_DATA_AVG_FACTOR];
+	u8 rawNF[DEFAULT_DATA_AVG_FACTOR];
+	u16 nextSNRNF;
+	u16 numSNRNF;
+	u16 rxpd_rate;
+
+	u8 radioon;
+	u32 preamble;
+
+	/** Multi bands Parameter*/
+	u8 libertas_supported_rates[G_SUPPORTED_RATES];
+
+	/** Blue Tooth Co-existence Arbitration */
+
+	/** sleep_params */
+	struct sleep_params sp;
+
+	/** RF calibration data */
+
+#define	MAX_REGION_CHANNEL_NUM	2
+	/** region channel data */
+	struct region_channel region_channel[MAX_REGION_CHANNEL_NUM];
+
+	struct region_channel universal_channel[MAX_REGION_CHANNEL_NUM];
+
+	/** 11D and Domain Regulatory Data */
+	struct wlan_802_11d_domain_reg domainreg;
+	struct parsed_region_chan_11d parsed_region_chan;
+
+	/** FSM variable for 11d support */
+	u32 enable11d;
+
+	/**	MISCELLANEOUS */
+	u8 *prdeeprom;
+	struct wlan_offset_value offsetvalue;
+
+	struct cmd_ds_802_11_get_log logmsg;
+	u16 scanprobes;
+
+	u32 pkttxctrl;
+
+	u16 txrate;
+	u32 linkmode;
+	u32 radiomode;
+	u32 debugmode;
+	u8 fw_ready;
+};
+
+#endif				/* _WLAN_DEV_H_ */