[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 000000000000..b1f876f9693b
--- /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_ */