Add the rt linux 4.1.3-rt3 as base
[kvmfornfv.git] / kernel / drivers / net / wireless / brcm80211 / brcmfmac / cfg80211.h
diff --git a/kernel/drivers/net/wireless/brcm80211/brcmfmac/cfg80211.h b/kernel/drivers/net/wireless/brcm80211/brcmfmac/cfg80211.h
new file mode 100644 (file)
index 0000000..d9e6d01
--- /dev/null
@@ -0,0 +1,504 @@
+/*
+ * 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 BRCMFMAC_CFG80211_H
+#define BRCMFMAC_CFG80211_H
+
+/* for brcmu_d11inf */
+#include <brcmu_d11.h>
+
+#define WL_NUM_SCAN_MAX                        10
+#define WL_NUM_PMKIDS_MAX              MAXPMKID
+#define WL_TLV_INFO_MAX                        1024
+#define WL_BSS_INFO_MAX                        2048
+#define WL_ASSOC_INFO_MAX              512     /* assoc related fil max buf */
+#define WL_EXTRA_BUF_MAX               2048
+#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
+
+#define WL_ESCAN_BUF_SIZE              (1024 * 64)
+#define WL_ESCAN_TIMER_INTERVAL_MS     10000 /* E-Scan timeout */
+
+#define WL_ESCAN_ACTION_START          1
+#define WL_ESCAN_ACTION_CONTINUE       2
+#define WL_ESCAN_ACTION_ABORT          3
+
+#define WL_AUTH_SHARED_KEY             1       /* d11 shared authentication */
+#define IE_MAX_LEN                     512
+
+/* IE TLV processing */
+#define TLV_LEN_OFF                    1       /* length offset */
+#define TLV_HDR_LEN                    2       /* header length */
+#define TLV_BODY_OFF                   2       /* body offset */
+#define TLV_OUI_LEN                    3       /* oui id length */
+
+/* 802.11 Mgmt Packet flags */
+#define BRCMF_VNDR_IE_BEACON_FLAG      0x1
+#define BRCMF_VNDR_IE_PRBRSP_FLAG      0x2
+#define BRCMF_VNDR_IE_ASSOCRSP_FLAG    0x4
+#define BRCMF_VNDR_IE_AUTHRSP_FLAG     0x8
+#define BRCMF_VNDR_IE_PRBREQ_FLAG      0x10
+#define BRCMF_VNDR_IE_ASSOCREQ_FLAG    0x20
+/* vendor IE in IW advertisement protocol ID field */
+#define BRCMF_VNDR_IE_IWAPID_FLAG      0x40
+/* allow custom IE id */
+#define BRCMF_VNDR_IE_CUSTOM_FLAG      0x100
+
+/* P2P Action Frames flags (spec ordered) */
+#define BRCMF_VNDR_IE_GONREQ_FLAG     0x001000
+#define BRCMF_VNDR_IE_GONRSP_FLAG     0x002000
+#define BRCMF_VNDR_IE_GONCFM_FLAG     0x004000
+#define BRCMF_VNDR_IE_INVREQ_FLAG     0x008000
+#define BRCMF_VNDR_IE_INVRSP_FLAG     0x010000
+#define BRCMF_VNDR_IE_DISREQ_FLAG     0x020000
+#define BRCMF_VNDR_IE_DISRSP_FLAG     0x040000
+#define BRCMF_VNDR_IE_PRDREQ_FLAG     0x080000
+#define BRCMF_VNDR_IE_PRDRSP_FLAG     0x100000
+
+#define BRCMF_VNDR_IE_P2PAF_SHIFT      12
+
+#define BRCMF_MAX_DEFAULT_KEYS         4
+
+
+/**
+ * enum brcmf_scan_status - scan engine status
+ *
+ * @BRCMF_SCAN_STATUS_BUSY: scanning in progress on dongle.
+ * @BRCMF_SCAN_STATUS_ABORT: scan being aborted on dongle.
+ * @BRCMF_SCAN_STATUS_SUPPRESS: scanning is suppressed in driver.
+ */
+enum brcmf_scan_status {
+       BRCMF_SCAN_STATUS_BUSY,
+       BRCMF_SCAN_STATUS_ABORT,
+       BRCMF_SCAN_STATUS_SUPPRESS,
+};
+
+/* dongle configuration */
+struct brcmf_cfg80211_conf {
+       u32 frag_threshold;
+       u32 rts_threshold;
+       u32 retry_short;
+       u32 retry_long;
+       s32 tx_power;
+       struct ieee80211_channel channel;
+};
+
+/* 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];
+};
+
+/* 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;
+};
+
+/**
+ * struct brcmf_cfg80211_profile - profile information.
+ *
+ * @ssid: ssid of associated/associating ap.
+ * @bssid: bssid of joined/joining ibss.
+ * @sec: security information.
+ * @key: key information
+ */
+struct brcmf_cfg80211_profile {
+       struct brcmf_ssid ssid;
+       u8 bssid[ETH_ALEN];
+       struct brcmf_cfg80211_security sec;
+       struct brcmf_wsec_key key[BRCMF_MAX_DEFAULT_KEYS];
+};
+
+/**
+ * enum brcmf_vif_status - bit indices for vif status.
+ *
+ * @BRCMF_VIF_STATUS_READY: ready for operation.
+ * @BRCMF_VIF_STATUS_CONNECTING: connect/join in progress.
+ * @BRCMF_VIF_STATUS_CONNECTED: connected/joined succesfully.
+ * @BRCMF_VIF_STATUS_DISCONNECTING: disconnect/disable in progress.
+ * @BRCMF_VIF_STATUS_AP_CREATING: interface configured for AP operation.
+ * @BRCMF_VIF_STATUS_AP_CREATED: AP operation started.
+ */
+enum brcmf_vif_status {
+       BRCMF_VIF_STATUS_READY,
+       BRCMF_VIF_STATUS_CONNECTING,
+       BRCMF_VIF_STATUS_CONNECTED,
+       BRCMF_VIF_STATUS_DISCONNECTING,
+       BRCMF_VIF_STATUS_AP_CREATING,
+       BRCMF_VIF_STATUS_AP_CREATED
+};
+
+/**
+ * struct vif_saved_ie - holds saved IEs for a virtual interface.
+ *
+ * @probe_req_ie: IE info for probe request.
+ * @probe_res_ie: IE info for probe response.
+ * @beacon_ie: IE info for beacon frame.
+ * @probe_req_ie_len: IE info length for probe request.
+ * @probe_res_ie_len: IE info length for probe response.
+ * @beacon_ie_len: IE info length for beacon frame.
+ */
+struct vif_saved_ie {
+       u8  probe_req_ie[IE_MAX_LEN];
+       u8  probe_res_ie[IE_MAX_LEN];
+       u8  beacon_ie[IE_MAX_LEN];
+       u8  assoc_req_ie[IE_MAX_LEN];
+       u32 probe_req_ie_len;
+       u32 probe_res_ie_len;
+       u32 beacon_ie_len;
+       u32 assoc_req_ie_len;
+};
+
+/**
+ * struct brcmf_cfg80211_vif - virtual interface specific information.
+ *
+ * @ifp: lower layer interface pointer
+ * @wdev: wireless device.
+ * @profile: profile information.
+ * @roam_off: roaming state.
+ * @sme_state: SME state using enum brcmf_vif_status bits.
+ * @pm_block: power-management blocked.
+ * @list: linked list.
+ * @mgmt_rx_reg: registered rx mgmt frame types.
+ * @mbss: Multiple BSS type, set if not first AP (not relevant for P2P).
+ */
+struct brcmf_cfg80211_vif {
+       struct brcmf_if *ifp;
+       struct wireless_dev wdev;
+       struct brcmf_cfg80211_profile profile;
+       s32 roam_off;
+       unsigned long sme_state;
+       bool pm_block;
+       struct vif_saved_ie saved_ie;
+       struct list_head list;
+       u16 mgmt_rx_reg;
+       bool mbss;
+       int is_11d;
+};
+
+/* 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_le {
+       __le32 req_len;
+       __le32 resp_len;
+};
+
+/* wpa2 pmk list */
+struct brcmf_cfg80211_pmk_list {
+       struct pmkid_list pmkids;
+       struct pmkid foo[MAXPMKID - 1];
+};
+
+/* dongle escan state */
+enum wl_escan_state {
+       WL_ESCAN_STATE_IDLE,
+       WL_ESCAN_STATE_SCANNING
+};
+
+struct escan_info {
+       u32 escan_state;
+       u8 escan_buf[WL_ESCAN_BUF_SIZE];
+       struct wiphy *wiphy;
+       struct brcmf_if *ifp;
+       s32 (*run)(struct brcmf_cfg80211_info *cfg, struct brcmf_if *ifp,
+                  struct cfg80211_scan_request *request, u16 action);
+};
+
+/**
+ * struct brcmf_pno_param_le - PNO scan configuration parameters
+ *
+ * @version: PNO parameters version.
+ * @scan_freq: scan frequency.
+ * @lost_network_timeout: #sec. to declare discovered network as lost.
+ * @flags: Bit field to control features of PFN such as sort criteria auto
+ *     enable switch and background scan.
+ * @rssi_margin: Margin to avoid jitter for choosing a PFN based on RSSI sort
+ *     criteria.
+ * @bestn: number of best networks in each scan.
+ * @mscan: number of scans recorded.
+ * @repeat: minimum number of scan intervals before scan frequency changes
+ *     in adaptive scan.
+ * @exp: exponent of 2 for maximum scan interval.
+ * @slow_freq: slow scan period.
+ */
+struct brcmf_pno_param_le {
+       __le32 version;
+       __le32 scan_freq;
+       __le32 lost_network_timeout;
+       __le16 flags;
+       __le16 rssi_margin;
+       u8 bestn;
+       u8 mscan;
+       u8 repeat;
+       u8 exp;
+       __le32 slow_freq;
+};
+
+/**
+ * struct brcmf_pno_net_param_le - scan parameters per preferred network.
+ *
+ * @ssid: ssid name and its length.
+ * @flags: bit2: hidden.
+ * @infra: BSS vs IBSS.
+ * @auth: Open vs Closed.
+ * @wpa_auth: WPA type.
+ * @wsec: wsec value.
+ */
+struct brcmf_pno_net_param_le {
+       struct brcmf_ssid_le ssid;
+       __le32 flags;
+       __le32 infra;
+       __le32 auth;
+       __le32 wpa_auth;
+       __le32 wsec;
+};
+
+/**
+ * struct brcmf_pno_net_info_le - information per found network.
+ *
+ * @bssid: BSS network identifier.
+ * @channel: channel number only.
+ * @SSID_len: length of ssid.
+ * @SSID: ssid characters.
+ * @RSSI: receive signal strength (in dBm).
+ * @timestamp: age in seconds.
+ */
+struct brcmf_pno_net_info_le {
+       u8 bssid[ETH_ALEN];
+       u8 channel;
+       u8 SSID_len;
+       u8 SSID[32];
+       __le16  RSSI;
+       __le16  timestamp;
+};
+
+/**
+ * struct brcmf_pno_scanresults_le - result returned in PNO NET FOUND event.
+ *
+ * @version: PNO version identifier.
+ * @status: indicates completion status of PNO scan.
+ * @count: amount of brcmf_pno_net_info_le entries appended.
+ */
+struct brcmf_pno_scanresults_le {
+       __le32 version;
+       __le32 status;
+       __le32 count;
+};
+
+/**
+ * struct brcmf_cfg80211_vif_event - virtual interface event information.
+ *
+ * @vif_wq: waitqueue awaiting interface event from firmware.
+ * @vif_event_lock: protects other members in this structure.
+ * @vif_complete: completion for net attach.
+ * @action: either add, change, or delete.
+ * @vif: virtual interface object related to the event.
+ */
+struct brcmf_cfg80211_vif_event {
+       wait_queue_head_t vif_wq;
+       struct mutex vif_event_lock;
+       u8 action;
+       struct brcmf_cfg80211_vif *vif;
+};
+
+/**
+ * struct brcmf_cfg80211_info - dongle private data of cfg80211 interface
+ *
+ * @wiphy: wiphy object for cfg80211 interface.
+ * @conf: dongle configuration.
+ * @p2p: peer-to-peer specific information.
+ * @btcoex: Bluetooth coexistence information.
+ * @scan_request: cfg80211 scan request object.
+ * @usr_sync: mainly for dongle up/down synchronization.
+ * @bss_list: bss_list holding scanned ap information.
+ * @scan_req_int: internal scan request object.
+ * @bss_info: bss information for cfg80211 layer.
+ * @ie: information element object for internal purpose.
+ * @conn_info: association info.
+ * @pmk_list: wpa2 pmk list.
+ * @scan_status: scan activity on the dongle.
+ * @pub: common driver information.
+ * @channel: current channel.
+ * @active_scan: current scan mode.
+ * @sched_escan: e-scan for scheduled scan support running.
+ * @ibss_starter: indicates this sta is ibss starter.
+ * @pwr_save: indicate whether dongle to support power save mode.
+ * @dongle_up: indicate whether dongle up or not.
+ * @roam_on: on/off switch for dongle self-roaming.
+ * @scan_tried: indicates if first scan attempted.
+ * @dcmd_buf: dcmd buffer.
+ * @extra_buf: mainly to grab assoc information.
+ * @debugfsdir: debugfs folder for this device.
+ * @escan_info: escan information.
+ * @escan_timeout: Timer for catch scan timeout.
+ * @escan_timeout_work: scan timeout worker.
+ * @escan_ioctl_buf: dongle command buffer for escan commands.
+ * @vif_list: linked list of vif instances.
+ * @vif_cnt: number of vif instances.
+ * @vif_event: vif event signalling.
+ * @wowl_enabled; set during suspend, is wowl used.
+ * @pre_wowl_pmmode: intermediate storage of pm mode during wowl.
+ */
+struct brcmf_cfg80211_info {
+       struct wiphy *wiphy;
+       struct brcmf_cfg80211_conf *conf;
+       struct brcmf_p2p_info p2p;
+       struct brcmf_btcoex_info *btcoex;
+       struct cfg80211_scan_request *scan_request;
+       struct mutex usr_sync;
+       struct brcmf_cfg80211_scan_req scan_req_int;
+       struct wl_cfg80211_bss_info *bss_info;
+       struct brcmf_cfg80211_ie ie;
+       struct brcmf_cfg80211_connect_info conn_info;
+       struct brcmf_cfg80211_pmk_list *pmk_list;
+       unsigned long scan_status;
+       struct brcmf_pub *pub;
+       u32 channel;
+       bool active_scan;
+       bool sched_escan;
+       bool ibss_starter;
+       bool pwr_save;
+       bool dongle_up;
+       bool scan_tried;
+       u8 *dcmd_buf;
+       u8 *extra_buf;
+       struct dentry *debugfsdir;
+       struct escan_info escan_info;
+       struct timer_list escan_timeout;
+       struct work_struct escan_timeout_work;
+       u8 *escan_ioctl_buf;
+       struct list_head vif_list;
+       struct brcmf_cfg80211_vif_event vif_event;
+       struct completion vif_disabled;
+       struct brcmu_d11inf d11inf;
+       bool wowl_enabled;
+       u32 pre_wowl_pmmode;
+};
+
+/**
+ * struct brcmf_tlv - tag_ID/length/value_buffer tuple.
+ *
+ * @id: tag identifier.
+ * @len: number of bytes in value buffer.
+ * @data: value buffer.
+ */
+struct brcmf_tlv {
+       u8 id;
+       u8 len;
+       u8 data[1];
+};
+
+static inline struct wiphy *cfg_to_wiphy(struct brcmf_cfg80211_info *cfg)
+{
+       return cfg->wiphy;
+}
+
+static inline struct brcmf_cfg80211_info *wiphy_to_cfg(struct wiphy *w)
+{
+       return (struct brcmf_cfg80211_info *)(wiphy_priv(w));
+}
+
+static inline struct brcmf_cfg80211_info *wdev_to_cfg(struct wireless_dev *wd)
+{
+       return (struct brcmf_cfg80211_info *)(wdev_priv(wd));
+}
+
+static inline
+struct net_device *cfg_to_ndev(struct brcmf_cfg80211_info *cfg)
+{
+       struct brcmf_cfg80211_vif *vif;
+       vif = list_first_entry(&cfg->vif_list, struct brcmf_cfg80211_vif, list);
+       return vif->wdev.netdev;
+}
+
+static inline struct brcmf_cfg80211_info *ndev_to_cfg(struct net_device *ndev)
+{
+       return wdev_to_cfg(ndev->ieee80211_ptr);
+}
+
+static inline struct brcmf_cfg80211_profile *ndev_to_prof(struct net_device *nd)
+{
+       struct brcmf_if *ifp = netdev_priv(nd);
+       return &ifp->vif->profile;
+}
+
+static inline struct brcmf_cfg80211_vif *ndev_to_vif(struct net_device *ndev)
+{
+       struct brcmf_if *ifp = netdev_priv(ndev);
+       return ifp->vif;
+}
+
+static inline struct
+brcmf_cfg80211_connect_info *cfg_to_conn(struct brcmf_cfg80211_info *cfg)
+{
+       return &cfg->conn_info;
+}
+
+struct brcmf_cfg80211_info *brcmf_cfg80211_attach(struct brcmf_pub *drvr,
+                                                 struct device *busdev);
+void brcmf_cfg80211_detach(struct brcmf_cfg80211_info *cfg);
+s32 brcmf_cfg80211_up(struct net_device *ndev);
+s32 brcmf_cfg80211_down(struct net_device *ndev);
+enum nl80211_iftype brcmf_cfg80211_get_iftype(struct brcmf_if *ifp);
+
+struct brcmf_cfg80211_vif *brcmf_alloc_vif(struct brcmf_cfg80211_info *cfg,
+                                          enum nl80211_iftype type,
+                                          bool pm_block);
+void brcmf_free_vif(struct brcmf_cfg80211_vif *vif);
+
+s32 brcmf_vif_set_mgmt_ie(struct brcmf_cfg80211_vif *vif, s32 pktflag,
+                         const u8 *vndr_ie_buf, u32 vndr_ie_len);
+s32 brcmf_vif_clear_mgmt_ies(struct brcmf_cfg80211_vif *vif);
+const struct brcmf_tlv *
+brcmf_parse_tlvs(const void *buf, int buflen, uint key);
+u16 channel_to_chanspec(struct brcmu_d11inf *d11inf,
+                       struct ieee80211_channel *ch);
+bool brcmf_get_vif_state_any(struct brcmf_cfg80211_info *cfg,
+                            unsigned long state);
+void brcmf_cfg80211_arm_vif_event(struct brcmf_cfg80211_info *cfg,
+                                 struct brcmf_cfg80211_vif *vif);
+bool brcmf_cfg80211_vif_event_armed(struct brcmf_cfg80211_info *cfg);
+int brcmf_cfg80211_wait_vif_event_timeout(struct brcmf_cfg80211_info *cfg,
+                                         u8 action, ulong timeout);
+s32 brcmf_notify_escan_complete(struct brcmf_cfg80211_info *cfg,
+                               struct brcmf_if *ifp, bool aborted,
+                               bool fw_abort);
+void brcmf_set_mpc(struct brcmf_if *ndev, int mpc);
+void brcmf_abort_scanning(struct brcmf_cfg80211_info *cfg);
+void brcmf_cfg80211_free_netdev(struct net_device *ndev);
+
+#endif /* BRCMFMAC_CFG80211_H */