net: wireless: add brcm80211 drivers

Add the brcm80211 tree to drivers/net/wireless, and disable the version that's
in drivers/staging.  This version includes the sources currently in staging,
plus any changes that have been sent out for review.

Sources in staging will be deleted in a followup patch.

Signed-off-by: Arend van Spriel <arend@broadcom.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

1 files changed, 375 insertions, 0 deletions

diff --git a/drivers/net/wireless/brcm80211/brcmfmac/wl_cfg80211.h b/drivers/net/wireless/brcm80211/brcmfmac/wl_cfg80211.h
new file mode 100644
index 000000000000..e69f4f6bf946
--- /dev/null
+++ b/drivers/net/wireless/brcm80211/brcmfmac/wl_cfg80211.h
@@ -0,0 +1,375 @@
+/*
+ * Copyright (c) 2010 Broadcom Corporation
+ *
+ * Permission to use, copy, modify, and/or distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
+ * SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION
+ * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
+ * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#ifndef _wl_cfg80211_h_
+#define _wl_cfg80211_h_
+
+struct brcmf_cfg80211_conf;
+struct brcmf_cfg80211_iface;
+struct brcmf_cfg80211_priv;
+struct brcmf_cfg80211_security;
+struct brcmf_cfg80211_ibss;
+
+#define WL_DBG_NONE		0
+#define WL_DBG_CONN		(1 << 5)
+#define WL_DBG_SCAN		(1 << 4)
+#define WL_DBG_TRACE		(1 << 3)
+#define WL_DBG_INFO		(1 << 1)
+#define WL_DBG_ERR		(1 << 0)
+#define WL_DBG_MASK		((WL_DBG_INFO | WL_DBG_ERR | WL_DBG_TRACE) | \
+				(WL_DBG_SCAN) | (WL_DBG_CONN))
+
+#define	WL_ERR(fmt, args...)					\
+do {								\
+	if (brcmf_dbg_level & WL_DBG_ERR) {			\
+		if (net_ratelimit()) {				\
+			printk(KERN_ERR "ERROR @%s : " fmt,	\
+				__func__, ##args);		\
+		}						\
+	}							\
+} while (0)
+
+#if (defined BCMDBG)
+#define	WL_INFO(fmt, args...)					\
+do {								\
+	if (brcmf_dbg_level & WL_DBG_INFO) {			\
+		if (net_ratelimit()) {				\
+			printk(KERN_ERR "INFO @%s : " fmt,	\
+				__func__, ##args);		\
+		}						\
+	}							\
+} while (0)
+
+#define	WL_TRACE(fmt, args...)					\
+do {								\
+	if (brcmf_dbg_level & WL_DBG_TRACE) {			\
+		if (net_ratelimit()) {				\
+			printk(KERN_ERR "TRACE @%s : " fmt,	\
+				__func__, ##args);		\
+		}						\
+	}							\
+} while (0)
+
+#define	WL_SCAN(fmt, args...)					\
+do {								\
+	if (brcmf_dbg_level & WL_DBG_SCAN) {			\
+		if (net_ratelimit()) {				\
+			printk(KERN_ERR "SCAN @%s : " fmt,	\
+				__func__, ##args);		\
+		}						\
+	}							\
+} while (0)
+
+#define	WL_CONN(fmt, args...)					\
+do {								\
+	if (brcmf_dbg_level & WL_DBG_CONN) {			\
+		if (net_ratelimit()) {				\
+			printk(KERN_ERR "CONN @%s : " fmt,	\
+				__func__, ##args);		\
+		}						\
+	}							\
+} while (0)
+
+#else /* (defined BCMDBG) */
+#define	WL_INFO(fmt, args...)
+#define	WL_TRACE(fmt, args...)
+#define	WL_SCAN(fmt, args...)
+#define	WL_CONN(fmt, args...)
+#endif /* (defined BCMDBG) */
+
+#define WL_NUM_SCAN_MAX		1
+#define WL_NUM_PMKIDS_MAX	MAXPMKID	/* will be used
+						 * for 2.6.33 kernel
+						 * or later
+						 */
+#define WL_SCAN_BUF_MAX			(1024 * 8)
+#define WL_TLV_INFO_MAX			1024
+#define WL_BSS_INFO_MAX			2048
+#define WL_ASSOC_INFO_MAX	512	/*
+				 * needs to grab assoc info from dongle to
+				 * report it to cfg80211 through "connect"
+				 * event
+				 */
+#define WL_DCMD_LEN_MAX	1024
+#define WL_EXTRA_BUF_MAX	2048
+#define WL_ISCAN_BUF_MAX	2048	/*
+				 * the buf length can be BRCMF_DCMD_MAXLEN
+				 * to reduce iteration
+				 */
+#define WL_ISCAN_TIMER_INTERVAL_MS	3000
+#define WL_SCAN_ERSULTS_LAST	(BRCMF_SCAN_RESULTS_NO_MEM+1)
+#define WL_AP_MAX	256	/* virtually unlimitted as long
+				 * as kernel memory allows
+				 */
+
+#define WL_ROAM_TRIGGER_LEVEL		-75
+#define WL_ROAM_DELTA			20
+#define WL_BEACON_TIMEOUT		3
+
+#define WL_SCAN_CHANNEL_TIME		40
+#define WL_SCAN_UNASSOC_TIME		40
+#define WL_SCAN_PASSIVE_TIME		120
+
+/* dongle status */
+enum wl_status {
+	WL_STATUS_READY,
+	WL_STATUS_SCANNING,
+	WL_STATUS_SCAN_ABORTING,
+	WL_STATUS_CONNECTING,
+	WL_STATUS_CONNECTED
+};
+
+/* wi-fi mode */
+enum wl_mode {
+	WL_MODE_BSS,
+	WL_MODE_IBSS,
+	WL_MODE_AP
+};
+
+/* dongle profile list */
+enum wl_prof_list {
+	WL_PROF_MODE,
+	WL_PROF_SSID,
+	WL_PROF_SEC,
+	WL_PROF_IBSS,
+	WL_PROF_BAND,
+	WL_PROF_BSSID,
+	WL_PROF_ACT,
+	WL_PROF_BEACONINT,
+	WL_PROF_DTIMPERIOD
+};
+
+/* dongle iscan state */
+enum wl_iscan_state {
+	WL_ISCAN_STATE_IDLE,
+	WL_ISCAN_STATE_SCANING
+};
+
+/* dongle configuration */
+struct brcmf_cfg80211_conf {
+	u32 mode;		/* adhoc , infrastructure or ap */
+	u32 frag_threshold;
+	u32 rts_threshold;
+	u32 retry_short;
+	u32 retry_long;
+	s32 tx_power;
+	struct ieee80211_channel channel;
+};
+
+/* cfg80211 main event loop */
+struct brcmf_cfg80211_event_loop {
+	s32(*handler[BRCMF_E_LAST]) (struct brcmf_cfg80211_priv *cfg_priv,
+				     struct net_device *ndev,
+				     const struct brcmf_event_msg *e,
+				     void *data);
+};
+
+/* representing interface of cfg80211 plane */
+struct brcmf_cfg80211_iface {
+	struct brcmf_cfg80211_priv *cfg_priv;
+};
+
+struct brcmf_cfg80211_dev {
+	void *driver_data;	/* to store cfg80211 object information */
+};
+
+/* basic structure of scan request */
+struct brcmf_cfg80211_scan_req {
+	struct brcmf_ssid_le ssid_le;
+};
+
+/* basic structure of information element */
+struct brcmf_cfg80211_ie {
+	u16 offset;
+	u8 buf[WL_TLV_INFO_MAX];
+};
+
+/* event queue for cfg80211 main event */
+struct brcmf_cfg80211_event_q {
+	struct list_head evt_q_list;
+	u32 etype;
+	struct brcmf_event_msg emsg;
+	s8 edata[1];
+};
+
+/* security information with currently associated ap */
+struct brcmf_cfg80211_security {
+	u32 wpa_versions;
+	u32 auth_type;
+	u32 cipher_pairwise;
+	u32 cipher_group;
+	u32 wpa_auth;
+};
+
+/* ibss information for currently joined ibss network */
+struct brcmf_cfg80211_ibss {
+	u8 beacon_interval;	/* in millisecond */
+	u8 atim;		/* in millisecond */
+	s8 join_only;
+	u8 band;
+	u8 channel;
+};
+
+/* dongle profile */
+struct brcmf_cfg80211_profile {
+	u32 mode;
+	struct brcmf_ssid ssid;
+	u8 bssid[ETH_ALEN];
+	u16 beacon_interval;
+	u8 dtim_period;
+	struct brcmf_cfg80211_security sec;
+	struct brcmf_cfg80211_ibss ibss;
+	s32 band;
+};
+
+/* dongle iscan event loop */
+struct brcmf_cfg80211_iscan_eloop {
+	s32 (*handler[WL_SCAN_ERSULTS_LAST])
+		(struct brcmf_cfg80211_priv *cfg_priv);
+};
+
+/* dongle iscan controller */
+struct brcmf_cfg80211_iscan_ctrl {
+	struct net_device *ndev;
+	struct timer_list timer;
+	u32 timer_ms;
+	u32 timer_on;
+	s32 state;
+	struct work_struct work;
+	struct brcmf_cfg80211_iscan_eloop el;
+	void *data;
+	s8 dcmd_buf[BRCMF_DCMD_SMLEN];
+	s8 scan_buf[WL_ISCAN_BUF_MAX];
+};
+
+/* association inform */
+struct brcmf_cfg80211_connect_info {
+	u8 *req_ie;
+	s32 req_ie_len;
+	u8 *resp_ie;
+	s32 resp_ie_len;
+};
+
+/* assoc ie length */
+struct brcmf_cfg80211_assoc_ielen {
+	u32 req_len;
+	u32 resp_len;
+};
+
+/* wpa2 pmk list */
+struct brcmf_cfg80211_pmk_list {
+	struct pmkid_list pmkids;
+	struct pmkid foo[MAXPMKID - 1];
+};
+
+/* dongle private data of cfg80211 interface */
+struct brcmf_cfg80211_priv {
+	struct wireless_dev *wdev;	/* representing wl cfg80211 device */
+	struct brcmf_cfg80211_conf *conf;	/* dongle configuration */
+	struct cfg80211_scan_request *scan_request;	/* scan request
+							 object */
+	struct brcmf_cfg80211_event_loop el;	/* main event loop */
+	struct list_head evt_q_list;	/* used for event queue */
+	spinlock_t	 evt_q_lock;	/* for event queue synchronization */
+	struct mutex usr_sync;	/* maily for dongle up/down synchronization */
+	struct brcmf_scan_results *bss_list;	/* bss_list holding scanned
+						 ap information */
+	struct brcmf_scan_results *scan_results;
+	struct brcmf_cfg80211_scan_req *scan_req_int;	/* scan request object
+						 for internal purpose */
+	struct wl_cfg80211_bss_info *bss_info;	/* bss information for
+						 cfg80211 layer */
+	struct brcmf_cfg80211_ie ie;	/* information element object for
+					 internal purpose */
+	struct brcmf_cfg80211_profile *profile;	/* holding dongle profile */
+	struct brcmf_cfg80211_iscan_ctrl *iscan;	/* iscan controller */
+	struct brcmf_cfg80211_connect_info conn_info; /* association info */
+	struct brcmf_cfg80211_pmk_list *pmk_list;	/* wpa2 pmk list */
+	struct work_struct event_work;	/* event handler work struct */
+	unsigned long status;		/* current dongle status */
+	void *pub;
+	u32 channel;		/* current channel */
+	bool iscan_on;		/* iscan on/off switch */
+	bool iscan_kickstart;	/* indicate iscan already started */
+	bool active_scan;	/* current scan mode */
+	bool ibss_starter;	/* indicates this sta is ibss starter */
+	bool link_up;		/* link/connection up flag */
+	bool pwr_save;		/* indicate whether dongle to support
+					 power save mode */
+	bool dongle_up;		/* indicate whether dongle up or not */
+	bool roam_on;		/* on/off switch for dongle self-roaming */
+	bool scan_tried;	/* indicates if first scan attempted */
+	u8 *dcmd_buf;		/* dcmd buffer */
+	u8 *extra_buf;		/* maily to grab assoc information */
+	struct dentry *debugfsdir;
+	u8 ci[0] __aligned(NETDEV_ALIGN);
+};
+
+static inline struct wiphy *cfg_to_wiphy(struct brcmf_cfg80211_priv *w)
+{
+	return w->wdev->wiphy;
+}
+
+static inline struct brcmf_cfg80211_priv *wiphy_to_cfg(struct wiphy *w)
+{
+	return (struct brcmf_cfg80211_priv *)(wiphy_priv(w));
+}
+
+static inline struct brcmf_cfg80211_priv *wdev_to_cfg(struct wireless_dev *wd)
+{
+	return (struct brcmf_cfg80211_priv *)(wdev_priv(wd));
+}
+
+static inline struct net_device *cfg_to_ndev(struct brcmf_cfg80211_priv *cfg)
+{
+	return cfg->wdev->netdev;
+}
+
+static inline struct brcmf_cfg80211_priv *ndev_to_cfg(struct net_device *ndev)
+{
+	return wdev_to_cfg(ndev->ieee80211_ptr);
+}
+
+#define iscan_to_cfg(i) ((struct brcmf_cfg80211_priv *)(i->data))
+#define cfg_to_iscan(w) (w->iscan)
+
+static inline struct
+brcmf_cfg80211_connect_info *cfg_to_conn(struct brcmf_cfg80211_priv *cfg)
+{
+	return &cfg->conn_info;
+}
+
+static inline struct brcmf_bss_info *next_bss(struct brcmf_scan_results *list,
+					   struct brcmf_bss_info *bss)
+{
+	return bss = bss ?
+		(struct brcmf_bss_info *)((unsigned long)bss +
+				       le32_to_cpu(bss->length)) :
+		list->bss_info;
+}
+
+extern struct brcmf_cfg80211_dev *brcmf_cfg80211_attach(struct net_device *ndev,
+							struct device *busdev,
+							void *data);
+extern void brcmf_cfg80211_detach(struct brcmf_cfg80211_dev *cfg);
+
+/* event handler from dongle */
+extern void brcmf_cfg80211_event(struct net_device *ndev,
+				 const struct brcmf_event_msg *e, void *data);
+extern s32 brcmf_cfg80211_up(struct brcmf_cfg80211_dev *cfg_dev);
+extern s32 brcmf_cfg80211_down(struct brcmf_cfg80211_dev *cfg_dev);
+
+#endif				/* _wl_cfg80211_h_ */