[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, 216 insertions, 0 deletions

diff --git a/drivers/net/wireless/libertas/scan.h b/drivers/net/wireless/libertas/scan.h
new file mode 100644
index 000000000000..d93aa7fa44fd
--- /dev/null
+++ b/drivers/net/wireless/libertas/scan.h
@@ -0,0 +1,216 @@
+/* -*- mode: C; tab-width: 4; indent-tabs-mode: nil -*- */
+/* vi: set expandtab shiftwidth=4 tabstop=4 textwidth=78: */
+
+/**
+  * Interface for the wlan network scan routines
+  *
+  * Driver interface functions and type declarations for the scan module
+  *   implemented in wlan_scan.c.
+  */
+#ifndef _WLAN_SCAN_H
+#define _WLAN_SCAN_H
+
+#include "hostcmd.h"
+
+/**
+ *  @brief Maximum number of channels that can be sent in a setuserscan ioctl
+ *
+ *  @sa wlan_ioctl_user_scan_cfg
+ */
+#define WLAN_IOCTL_USER_SCAN_CHAN_MAX  50
+
+//! Infrastructure BSS scan type in wlan_scan_cmd_config
+#define WLAN_SCAN_BSS_TYPE_BSS         1
+
+//! Adhoc BSS scan type in wlan_scan_cmd_config
+#define WLAN_SCAN_BSS_TYPE_IBSS        2
+
+//! Adhoc or Infrastructure BSS scan type in wlan_scan_cmd_config, no filter
+#define WLAN_SCAN_BSS_TYPE_ANY         3
+
+/**
+ * @brief Structure used internally in the wlan driver to configure a scan.
+ *
+ * Sent to the command processing module to configure the firmware
+ *   scan command prepared by libertas_cmd_80211_scan.
+ *
+ * @sa wlan_scan_networks
+ *
+ */
+struct wlan_scan_cmd_config {
+    /**
+     *  @brief BSS type to be sent in the firmware command
+     *
+     *  Field can be used to restrict the types of networks returned in the
+     *    scan.  valid settings are:
+     *
+     *   - WLAN_SCAN_BSS_TYPE_BSS  (infrastructure)
+     *   - WLAN_SCAN_BSS_TYPE_IBSS (adhoc)
+     *   - WLAN_SCAN_BSS_TYPE_ANY  (unrestricted, adhoc and infrastructure)
+     */
+        u8 bsstype;
+
+    /**
+     *  @brief Specific BSSID used to filter scan results in the firmware
+     */
+        u8 specificBSSID[ETH_ALEN];
+
+    /**
+     *  @brief length of TLVs sent in command starting at tlvBuffer
+     */
+        int tlvbufferlen;
+
+    /**
+     *  @brief SSID TLV(s) and ChanList TLVs to be sent in the firmware command
+     *
+     *  @sa TLV_TYPE_CHANLIST, mrvlietypes_chanlistparamset_t
+     *  @sa TLV_TYPE_SSID, mrvlietypes_ssidparamset_t
+     */
+        u8 tlvbuffer[1];        //!< SSID TLV(s) and ChanList TLVs are stored here
+};
+
+/**
+ *  @brief IOCTL channel sub-structure sent in wlan_ioctl_user_scan_cfg
+ *
+ *  Multiple instances of this structure are included in the IOCTL command
+ *   to configure a instance of a scan on the specific channel.
+ */
+struct wlan_ioctl_user_scan_chan {
+        u8 channumber;          //!< channel Number to scan
+        u8 radiotype;           //!< Radio type: 'B/G' band = 0, 'A' band = 1
+        u8 scantype;            //!< Scan type: Active = 0, Passive = 1
+        u16 scantime;           //!< Scan duration in milliseconds; if 0 default used
+};
+
+/**
+ *  @brief IOCTL input structure to configure an immediate scan cmd to firmware
+ *
+ *  Used in the setuserscan (WLAN_SET_USER_SCAN) private ioctl.  Specifies
+ *   a number of parameters to be used in general for the scan as well
+ *   as a channel list (wlan_ioctl_user_scan_chan) for each scan period
+ *   desired.
+ *
+ *  @sa libertas_set_user_scan_ioctl
+ */
+struct wlan_ioctl_user_scan_cfg {
+
+    /**
+     *  @brief Flag set to keep the previous scan table intact
+     *
+     *  If set, the scan results will accumulate, replacing any previous
+     *   matched entries for a BSS with the new scan data
+     */
+        u8 keeppreviousscan;    //!< Do not erase the existing scan results
+
+    /**
+     *  @brief BSS type to be sent in the firmware command
+     *
+     *  Field can be used to restrict the types of networks returned in the
+     *    scan.  valid settings are:
+     *
+     *   - WLAN_SCAN_BSS_TYPE_BSS  (infrastructure)
+     *   - WLAN_SCAN_BSS_TYPE_IBSS (adhoc)
+     *   - WLAN_SCAN_BSS_TYPE_ANY  (unrestricted, adhoc and infrastructure)
+     */
+        u8 bsstype;
+
+    /**
+     *  @brief Configure the number of probe requests for active chan scans
+     */
+        u8 numprobes;
+
+    /**
+     *  @brief BSSID filter sent in the firmware command to limit the results
+     */
+        u8 specificBSSID[ETH_ALEN];
+
+    /**
+     *  @brief SSID filter sent in the firmware command to limit the results
+     */
+        char specificSSID[IW_ESSID_MAX_SIZE + 1];
+
+    /**
+     *  @brief Variable number (fixed maximum) of channels to scan up
+     */
+        struct wlan_ioctl_user_scan_chan chanlist[WLAN_IOCTL_USER_SCAN_CHAN_MAX];
+};
+
+/**
+ *  @brief Structure used to store information for each beacon/probe response
+ */
+struct bss_descriptor {
+        u8 macaddress[ETH_ALEN];
+
+        struct WLAN_802_11_SSID ssid;
+
+        /* WEP encryption requirement */
+        u32 privacy;
+
+        /* receive signal strength in dBm */
+        long rssi;
+
+        u32 channel;
+
+        u16 beaconperiod;
+
+        u32 atimwindow;
+
+        enum WLAN_802_11_NETWORK_INFRASTRUCTURE inframode;
+        u8 libertas_supported_rates[WLAN_SUPPORTED_RATES];
+
+        int extra_ie;
+
+        u8 timestamp[8];        //!< TSF value included in the beacon/probe response
+        union ieeetypes_phyparamset phyparamset;
+        union IEEEtypes_ssparamset ssparamset;
+        struct ieeetypes_capinfo cap;
+        u8 datarates[WLAN_SUPPORTED_RATES];
+
+        __le64 networktsf;              //!< TSF timestamp from the current firmware TSF
+
+        struct ieeetypes_countryinfofullset countryinfo;
+
+        struct WPA_SUPPLICANT wpa_supplicant;
+        struct WPA_SUPPLICANT wpa2_supplicant;
+
+};
+
+extern int libertas_SSID_cmp(struct WLAN_802_11_SSID *ssid1,
+                   struct WLAN_802_11_SSID *ssid2);
+extern int libertas_find_SSID_in_list(wlan_adapter * adapter, struct WLAN_802_11_SSID *ssid,
+                          u8 * bssid, int mode);
+int libertas_find_best_SSID_in_list(wlan_adapter * adapter, enum WLAN_802_11_NETWORK_INFRASTRUCTURE mode);
+extern int libertas_find_BSSID_in_list(wlan_adapter * adapter, u8 * bssid, int mode);
+
+int libertas_find_best_network_SSID(wlan_private * priv,
+                        struct WLAN_802_11_SSID *pSSID,
+                        enum WLAN_802_11_NETWORK_INFRASTRUCTURE preferred_mode,
+                        enum WLAN_802_11_NETWORK_INFRASTRUCTURE *out_mode);
+
+extern int libertas_send_specific_SSID_scan(wlan_private * priv,
+                                struct WLAN_802_11_SSID *prequestedssid,
+                                u8 keeppreviousscan);
+extern int libertas_send_specific_BSSID_scan(wlan_private * priv,
+                                 u8 * bssid, u8 keeppreviousscan);
+
+extern int libertas_cmd_80211_scan(wlan_private * priv,
+                                struct cmd_ds_command *cmd,
+                                void *pdata_buf);
+
+extern int libertas_ret_80211_scan(wlan_private * priv,
+                                struct cmd_ds_command *resp);
+
+int wlan_scan_networks(wlan_private * priv,
+                const struct wlan_ioctl_user_scan_cfg * puserscanin);
+
+struct ifreq;
+
+struct iw_point;
+struct iw_param;
+struct iw_request_info;
+extern int libertas_get_scan(struct net_device *dev, struct iw_request_info *info,
+                         struct iw_point *dwrq, char *extra);
+extern int libertas_set_scan(struct net_device *dev, struct iw_request_info *info,
+                         struct iw_param *vwrq, char *extra);
+
+#endif                          /* _WLAN_SCAN_H */