staging: Add rtl8723bs sdio wifi driver

The rtl8723bs is found on quite a few systems used by Linux users,
such as on Atom systems (Intel Computestick and various other
Atom based devices) and on many (budget) ARM boards such as
the CHIP.

The plan moving forward with this is for the new clean,
written from scratch, rtl8xxxu driver to eventually gain
support for sdio devices. But there is no clear timeline
for that, so lets add this driver included in staging for now.

Cc: Bastien Nocera <hadess@hadess.net>
Cc: Larry Finger <Larry.Finger@lwfinger.net>
Cc: Jes Sorensen <jes.sorensen@gmail.com>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

1 files changed, 278 insertions, 0 deletions

diff --git a/drivers/staging/rtl8723bs/include/wlan_bssdef.h b/drivers/staging/rtl8723bs/include/wlan_bssdef.h
new file mode 100644
index 0000000..af78d97
--- /dev/null
+++ b/drivers/staging/rtl8723bs/include/wlan_bssdef.h
@@ -0,0 +1,278 @@
+/******************************************************************************
+ *
+ * Copyright(c) 2007 - 2011 Realtek Corporation. All rights reserved.
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of version 2 of the GNU General Public License 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.
+ *
+ ******************************************************************************/
+#ifndef __WLAN_BSSDEF_H__
+#define __WLAN_BSSDEF_H__
+
+
+#define MAX_IE_SZ	768
+
+
+#define NDIS_802_11_LENGTH_SSID         32
+#define NDIS_802_11_LENGTH_RATES        8
+#define NDIS_802_11_LENGTH_RATES_EX     16
+
+typedef unsigned char   NDIS_802_11_MAC_ADDRESS[6];
+typedef unsigned char   NDIS_802_11_RATES[NDIS_802_11_LENGTH_RATES];        /*  Set of 8 data rates */
+typedef unsigned char   NDIS_802_11_RATES_EX[NDIS_802_11_LENGTH_RATES_EX];  /*  Set of 16 data rates */
+
+struct ndis_802_11_ssid {
+	u32  SsidLength;
+	u8  Ssid[32];
+};
+
+enum NDIS_802_11_NETWORK_TYPE {
+	Ndis802_11FH,
+	Ndis802_11DS,
+	Ndis802_11OFDM5,
+	Ndis802_11OFDM24,
+	Ndis802_11NetworkTypeMax    /*  not a real type, defined as an upper bound */
+};
+
+struct ndis_802_11_conf_fh {
+	u32 Length;             /*  Length of structure */
+	u32 HopPattern;         /*  As defined by 802.11, MSB set */
+	u32 HopSet;             /*  to one if non-802.11 */
+	u32 DwellTime;          /*  units are Kusec */
+};
+
+/*
+	FW will only save the channel number in DSConfig.
+	ODI Handler will convert the channel number to freq. number.
+*/
+struct ndis_802_11_conf {
+	u32 Length;             /*  Length of structure */
+	u32 BeaconPeriod;       /*  units are Kusec */
+	u32 ATIMWindow;         /*  units are Kusec */
+	u32 DSConfig;           /*  Frequency, units are kHz */
+	struct ndis_802_11_conf_fh    FHConfig;
+};
+
+enum NDIS_802_11_NETWORK_INFRASTRUCTURE {
+	Ndis802_11IBSS,
+	Ndis802_11Infrastructure,
+	Ndis802_11AutoUnknown,
+	Ndis802_11InfrastructureMax,     /*  Not a real value, defined as upper bound */
+	Ndis802_11APMode,
+};
+
+struct ndis_802_11_fix_ie {
+	u8  Timestamp[8];
+	u16  BeaconInterval;
+	u16  Capabilities;
+};
+
+struct ndis_80211_var_ie {
+	u8  ElementID;
+	u8  Length;
+	u8  data[1];
+};
+
+/* Length is the 4 bytes multiples of the sum of
+ * sizeof (NDIS_802_11_MAC_ADDRESS) + 2 +
+ * sizeof (struct ndis_802_11_ssid) + sizeof (u32) +
+ * sizeof (long) + sizeof (enum NDIS_802_11_NETWORK_TYPE) +
+ * sizeof (struct ndis_802_11_conf) + sizeof (NDIS_802_11_RATES_EX) + IELength
+ *
+ * Except for IELength, all other fields are fixed length. Therefore, we can
+ * define a macro to present the partial sum.
+ */
+enum NDIS_802_11_AUTHENTICATION_MODE {
+	Ndis802_11AuthModeOpen,
+	Ndis802_11AuthModeShared,
+	Ndis802_11AuthModeAutoSwitch,
+	Ndis802_11AuthModeWPA,
+	Ndis802_11AuthModeWPAPSK,
+	Ndis802_11AuthModeWPANone,
+	Ndis802_11AuthModeWAPI,
+	Ndis802_11AuthModeMax   /*  Not a real mode, defined as upper bound */
+};
+
+enum NDIS_802_11_WEP_STATUS {
+	Ndis802_11WEPEnabled,
+	Ndis802_11Encryption1Enabled = Ndis802_11WEPEnabled,
+	Ndis802_11WEPDisabled,
+	Ndis802_11EncryptionDisabled = Ndis802_11WEPDisabled,
+	Ndis802_11WEPKeyAbsent,
+	Ndis802_11Encryption1KeyAbsent = Ndis802_11WEPKeyAbsent,
+	Ndis802_11WEPNotSupported,
+	Ndis802_11EncryptionNotSupported = Ndis802_11WEPNotSupported,
+	Ndis802_11Encryption2Enabled,
+	Ndis802_11Encryption2KeyAbsent,
+	Ndis802_11Encryption3Enabled,
+	Ndis802_11Encryption3KeyAbsent,
+	Ndis802_11_EncrypteionWAPI
+};
+
+#define NDIS_802_11_AI_REQFI_CAPABILITIES      1
+#define NDIS_802_11_AI_REQFI_LISTENINTERVAL    2
+#define NDIS_802_11_AI_REQFI_CURRENTAPADDRESS  4
+
+#define NDIS_802_11_AI_RESFI_CAPABILITIES      1
+#define NDIS_802_11_AI_RESFI_STATUSCODE        2
+#define NDIS_802_11_AI_RESFI_ASSOCIATIONID     4
+
+struct ndis_802_11_ai_reqfi {
+	u16 Capabilities;
+	u16 ListenInterval;
+	NDIS_802_11_MAC_ADDRESS  CurrentAPAddress;
+};
+
+struct ndis_801_11_ai_resfi {
+	u16 Capabilities;
+	u16 StatusCode;
+	u16 AssociationId;
+};
+
+typedef struct _NDIS_802_11_ASSOCIATION_INFORMATION
+{
+    u32                   Length;
+    u16                  AvailableRequestFixedIEs;
+    struct ndis_802_11_ai_reqfi    RequestFixedIEs;
+    u32                   RequestIELength;
+    u32                   OffsetRequestIEs;
+    u16                  AvailableResponseFixedIEs;
+    struct ndis_801_11_ai_resfi    ResponseFixedIEs;
+    u32                   ResponseIELength;
+    u32                   OffsetResponseIEs;
+} NDIS_802_11_ASSOCIATION_INFORMATION, *PNDIS_802_11_ASSOCIATION_INFORMATION;
+
+enum NDIS_802_11_RELOAD_DEFAULTS {
+	Ndis802_11ReloadWEPKeys
+};
+
+
+/*  Key mapping keys require a BSSID */
+typedef struct _NDIS_802_11_KEY
+{
+    u32           Length;             /*  Length of this structure */
+    u32           KeyIndex;
+    u32           KeyLength;          /*  length of key in bytes */
+    NDIS_802_11_MAC_ADDRESS BSSID;
+    unsigned long long KeyRSC;
+    u8           KeyMaterial[32];     /*  variable length depending on above field */
+} NDIS_802_11_KEY, *PNDIS_802_11_KEY;
+
+typedef struct _NDIS_802_11_REMOVE_KEY
+{
+    u32                   Length;        /*  Length of this structure */
+    u32                   KeyIndex;
+    NDIS_802_11_MAC_ADDRESS BSSID;
+} NDIS_802_11_REMOVE_KEY, *PNDIS_802_11_REMOVE_KEY;
+
+struct ndis_802_11_wep {
+	u32 Length;        /*  Length of this structure */
+	u32 KeyIndex;      /*  0 is the per-client key, 1-N are the global keys */
+	u32 KeyLength;     /*  length of key in bytes */
+	u8 KeyMaterial[16];/*  variable length depending on above field */
+};
+
+/*  mask for authentication/integrity fields */
+#define NDIS_802_11_AUTH_REQUEST_AUTH_FIELDS        0x0f
+#define NDIS_802_11_AUTH_REQUEST_REAUTH			0x01
+#define NDIS_802_11_AUTH_REQUEST_KEYUPDATE		0x02
+#define NDIS_802_11_AUTH_REQUEST_PAIRWISE_ERROR		0x06
+#define NDIS_802_11_AUTH_REQUEST_GROUP_ERROR		0x0E
+
+/*  MIC check time, 60 seconds. */
+#define MIC_CHECK_TIME	60000000
+
+#ifndef Ndis802_11APMode
+#define Ndis802_11APMode (Ndis802_11InfrastructureMax+1)
+#endif
+
+struct wlan_phy_info {
+	u8 SignalStrength;/* in percentage) */
+	u8 SignalQuality;/* in percentage) */
+	u8 Optimum_antenna;  /* for Antenna diversity */
+	u8 Reserved_0;
+};
+
+struct wlan_bcn_info {
+	/* these infor get from rtw_get_encrypt_info when
+	 * * translate scan to UI */
+	u8 encryp_protocol;/* ENCRYP_PROTOCOL_E: OPEN/WEP/WPA/WPA2/WAPI */
+	int group_cipher; /* WPA/WPA2 group cipher */
+	int pairwise_cipher;/* WPA/WPA2/WEP pairwise cipher */
+	int is_8021x;
+
+	/* bwmode 20/40 and ch_offset UP/LOW */
+	unsigned short	ht_cap_info;
+	unsigned char ht_info_infos_0;
+};
+
+/* temporally add #pragma pack for structure alignment issue of
+*   struct wlan_bssid_ex and get_wlan_bssid_ex_sz()
+*/
+struct wlan_bssid_ex {
+	u32  Length;
+	NDIS_802_11_MAC_ADDRESS  MacAddress;
+	u8  Reserved[2];/* 0]: IS beacon frame */
+	struct ndis_802_11_ssid  Ssid;
+	u32  Privacy;
+	long  Rssi;/* in dBM, raw data , get from PHY) */
+	enum NDIS_802_11_NETWORK_TYPE  NetworkTypeInUse;
+	struct ndis_802_11_conf  Configuration;
+	enum NDIS_802_11_NETWORK_INFRASTRUCTURE  InfrastructureMode;
+	NDIS_802_11_RATES_EX  SupportedRates;
+	struct wlan_phy_info PhyInfo;
+	u32  IELength;
+	u8  IEs[MAX_IE_SZ];	/* timestamp, beacon interval, and capability information) */
+} __packed;
+
+__inline  static uint get_wlan_bssid_ex_sz(struct wlan_bssid_ex *bss)
+{
+	return (sizeof(struct wlan_bssid_ex) - MAX_IE_SZ + bss->IELength);
+}
+
+struct	wlan_network {
+	struct list_head	list;
+	int	network_type;	/* refer to ieee80211.h for WIRELESS_11A/B/G */
+	int	fixed;			/*  set to fixed when not to be removed as site-surveying */
+	unsigned long	last_scanned; /* timestamp for the network */
+	int	aid;			/* will only be valid when a BSS is joinned. */
+	int	join_res;
+	struct wlan_bssid_ex	network; /* must be the last item */
+	struct wlan_bcn_info	BcnInfo;
+};
+
+enum VRTL_CARRIER_SENSE {
+    DISABLE_VCS,
+    ENABLE_VCS,
+    AUTO_VCS
+};
+
+enum VCS_TYPE {
+    NONE_VCS,
+    RTS_CTS,
+    CTS_TO_SELF
+};
+
+#define PWR_CAM 0
+#define PWR_MINPS 1
+#define PWR_MAXPS 2
+#define PWR_UAPSD 3
+#define PWR_VOIP 4
+
+enum UAPSD_MAX_SP {
+	NO_LIMIT,
+       TWO_MSDU,
+       FOUR_MSDU,
+       SIX_MSDU
+};
+
+#define NUM_PRE_AUTH_KEY 16
+#define NUM_PMKID_CACHE NUM_PRE_AUTH_KEY
+
+#endif /* ifndef WLAN_BSSDEF_H_ */