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linux/drivers/net/wireless/brcm80211/brcmfmac/wl_cfg80211.h

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/*
* 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_
/* 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 8000 /* 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
/**
* 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.
*/
struct brcmf_cfg80211_profile {
struct brcmf_ssid ssid;
u8 bssid[ETH_ALEN];
struct brcmf_cfg80211_security sec;
};
/**
* 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.
*/
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;
};
/* 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.
*/
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_scan_results *bss_list;
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;
};
/**
* 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 /* _wl_cfg80211_h_ */
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