367 lines
9.7 KiB
C
367 lines
9.7 KiB
C
/*
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* Copyright (c) 2010 Broadcom Corporation
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*
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* Permission to use, copy, modify, and/or distribute this software for any
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* purpose with or without fee is hereby granted, provided that the above
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* copyright notice and this permission notice appear in all copies.
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*
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* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
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* SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION
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* OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
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* CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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*/
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#ifndef _wl_cfg80211_h_
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#define _wl_cfg80211_h_
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struct brcmf_cfg80211_conf;
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struct brcmf_cfg80211_iface;
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struct brcmf_cfg80211_priv;
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struct brcmf_cfg80211_security;
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struct brcmf_cfg80211_ibss;
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#define WL_DBG_NONE 0
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#define WL_DBG_CONN (1 << 5)
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#define WL_DBG_SCAN (1 << 4)
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#define WL_DBG_TRACE (1 << 3)
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#define WL_DBG_INFO (1 << 1)
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#define WL_DBG_ERR (1 << 0)
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#define WL_DBG_MASK ((WL_DBG_INFO | WL_DBG_ERR | WL_DBG_TRACE) | \
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(WL_DBG_SCAN) | (WL_DBG_CONN))
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#define WL_ERR(fmt, args...) \
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do { \
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if (brcmf_dbg_level & WL_DBG_ERR) { \
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if (net_ratelimit()) { \
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printk(KERN_ERR "ERROR @%s : " fmt, \
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__func__, ##args); \
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} \
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} \
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} while (0)
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#if (defined BCMDBG)
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#define WL_INFO(fmt, args...) \
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do { \
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if (brcmf_dbg_level & WL_DBG_INFO) { \
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if (net_ratelimit()) { \
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printk(KERN_ERR "INFO @%s : " fmt, \
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__func__, ##args); \
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} \
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} \
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} while (0)
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#define WL_TRACE(fmt, args...) \
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do { \
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if (brcmf_dbg_level & WL_DBG_TRACE) { \
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if (net_ratelimit()) { \
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printk(KERN_ERR "TRACE @%s : " fmt, \
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__func__, ##args); \
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} \
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} \
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} while (0)
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#define WL_SCAN(fmt, args...) \
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do { \
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if (brcmf_dbg_level & WL_DBG_SCAN) { \
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if (net_ratelimit()) { \
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printk(KERN_ERR "SCAN @%s : " fmt, \
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__func__, ##args); \
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} \
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} \
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} while (0)
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#define WL_CONN(fmt, args...) \
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do { \
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if (brcmf_dbg_level & WL_DBG_CONN) { \
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if (net_ratelimit()) { \
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printk(KERN_ERR "CONN @%s : " fmt, \
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__func__, ##args); \
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} \
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} \
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} while (0)
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#else /* (defined BCMDBG) */
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#define WL_INFO(fmt, args...)
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#define WL_TRACE(fmt, args...)
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#define WL_SCAN(fmt, args...)
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#define WL_CONN(fmt, args...)
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#endif /* (defined BCMDBG) */
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#define WL_NUM_SCAN_MAX 1
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#define WL_NUM_PMKIDS_MAX MAXPMKID /* will be used
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* for 2.6.33 kernel
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* or later
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*/
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#define WL_SCAN_BUF_MAX (1024 * 8)
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#define WL_TLV_INFO_MAX 1024
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#define WL_BSS_INFO_MAX 2048
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#define WL_ASSOC_INFO_MAX 512 /*
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* needs to grab assoc info from dongle to
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* report it to cfg80211 through "connect"
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* event
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*/
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#define WL_DCMD_LEN_MAX 1024
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#define WL_EXTRA_BUF_MAX 2048
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#define WL_ISCAN_BUF_MAX 2048 /*
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* the buf length can be BRCMF_DCMD_MAXLEN
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* to reduce iteration
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*/
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#define WL_ISCAN_TIMER_INTERVAL_MS 3000
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#define WL_SCAN_ERSULTS_LAST (BRCMF_SCAN_RESULTS_NO_MEM+1)
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#define WL_AP_MAX 256 /* virtually unlimitted as long
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* as kernel memory allows
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*/
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#define WL_ROAM_TRIGGER_LEVEL -75
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#define WL_ROAM_DELTA 20
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#define WL_BEACON_TIMEOUT 3
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#define WL_SCAN_CHANNEL_TIME 40
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#define WL_SCAN_UNASSOC_TIME 40
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#define WL_SCAN_PASSIVE_TIME 120
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/* dongle status */
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enum wl_status {
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WL_STATUS_READY,
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WL_STATUS_SCANNING,
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WL_STATUS_SCAN_ABORTING,
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WL_STATUS_CONNECTING,
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WL_STATUS_CONNECTED
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};
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/* wi-fi mode */
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enum wl_mode {
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WL_MODE_BSS,
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WL_MODE_IBSS,
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WL_MODE_AP
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};
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/* dongle profile list */
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enum wl_prof_list {
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WL_PROF_MODE,
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WL_PROF_SSID,
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WL_PROF_SEC,
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WL_PROF_IBSS,
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WL_PROF_BAND,
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WL_PROF_BSSID,
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WL_PROF_ACT,
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WL_PROF_BEACONINT,
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WL_PROF_DTIMPERIOD
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};
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/* dongle iscan state */
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enum wl_iscan_state {
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WL_ISCAN_STATE_IDLE,
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WL_ISCAN_STATE_SCANING
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};
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/* dongle configuration */
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struct brcmf_cfg80211_conf {
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u32 mode; /* adhoc , infrastructure or ap */
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u32 frag_threshold;
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u32 rts_threshold;
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u32 retry_short;
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u32 retry_long;
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s32 tx_power;
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struct ieee80211_channel channel;
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};
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/* cfg80211 main event loop */
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struct brcmf_cfg80211_event_loop {
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s32(*handler[BRCMF_E_LAST]) (struct brcmf_cfg80211_priv *cfg_priv,
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struct net_device *ndev,
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const struct brcmf_event_msg *e,
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void *data);
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};
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/* representing interface of cfg80211 plane */
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struct brcmf_cfg80211_iface {
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struct brcmf_cfg80211_priv *cfg_priv;
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};
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struct brcmf_cfg80211_dev {
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void *driver_data; /* to store cfg80211 object information */
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};
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/* basic structure of scan request */
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struct brcmf_cfg80211_scan_req {
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struct brcmf_ssid_le ssid_le;
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};
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/* basic structure of information element */
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struct brcmf_cfg80211_ie {
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u16 offset;
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u8 buf[WL_TLV_INFO_MAX];
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};
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/* event queue for cfg80211 main event */
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struct brcmf_cfg80211_event_q {
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struct list_head evt_q_list;
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u32 etype;
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struct brcmf_event_msg emsg;
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s8 edata[1];
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};
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/* security information with currently associated ap */
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struct brcmf_cfg80211_security {
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u32 wpa_versions;
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u32 auth_type;
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u32 cipher_pairwise;
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u32 cipher_group;
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u32 wpa_auth;
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};
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/* ibss information for currently joined ibss network */
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struct brcmf_cfg80211_ibss {
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u8 beacon_interval; /* in millisecond */
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u8 atim; /* in millisecond */
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s8 join_only;
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u8 band;
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u8 channel;
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};
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/* dongle profile */
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struct brcmf_cfg80211_profile {
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u32 mode;
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struct brcmf_ssid ssid;
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u8 bssid[ETH_ALEN];
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u16 beacon_interval;
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u8 dtim_period;
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struct brcmf_cfg80211_security sec;
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struct brcmf_cfg80211_ibss ibss;
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s32 band;
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};
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/* dongle iscan event loop */
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struct brcmf_cfg80211_iscan_eloop {
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s32 (*handler[WL_SCAN_ERSULTS_LAST])
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(struct brcmf_cfg80211_priv *cfg_priv);
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};
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/* dongle iscan controller */
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struct brcmf_cfg80211_iscan_ctrl {
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struct net_device *ndev;
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struct timer_list timer;
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u32 timer_ms;
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u32 timer_on;
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s32 state;
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struct work_struct work;
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struct brcmf_cfg80211_iscan_eloop el;
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void *data;
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s8 dcmd_buf[BRCMF_DCMD_SMLEN];
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s8 scan_buf[WL_ISCAN_BUF_MAX];
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};
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/* association inform */
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struct brcmf_cfg80211_connect_info {
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u8 *req_ie;
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s32 req_ie_len;
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u8 *resp_ie;
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s32 resp_ie_len;
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};
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/* assoc ie length */
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struct brcmf_cfg80211_assoc_ielen_le {
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__le32 req_len;
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__le32 resp_len;
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};
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/* wpa2 pmk list */
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struct brcmf_cfg80211_pmk_list {
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struct pmkid_list pmkids;
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struct pmkid foo[MAXPMKID - 1];
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};
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/* dongle private data of cfg80211 interface */
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struct brcmf_cfg80211_priv {
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struct wireless_dev *wdev; /* representing wl cfg80211 device */
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struct brcmf_cfg80211_conf *conf; /* dongle configuration */
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struct cfg80211_scan_request *scan_request; /* scan request
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object */
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struct brcmf_cfg80211_event_loop el; /* main event loop */
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struct list_head evt_q_list; /* used for event queue */
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spinlock_t evt_q_lock; /* for event queue synchronization */
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struct mutex usr_sync; /* maily for dongle up/down synchronization */
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struct brcmf_scan_results *bss_list; /* bss_list holding scanned
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ap information */
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struct brcmf_scan_results *scan_results;
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struct brcmf_cfg80211_scan_req *scan_req_int; /* scan request object
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for internal purpose */
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struct wl_cfg80211_bss_info *bss_info; /* bss information for
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cfg80211 layer */
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struct brcmf_cfg80211_ie ie; /* information element object for
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internal purpose */
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struct brcmf_cfg80211_profile *profile; /* holding dongle profile */
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struct brcmf_cfg80211_iscan_ctrl *iscan; /* iscan controller */
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struct brcmf_cfg80211_connect_info conn_info; /* association info */
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struct brcmf_cfg80211_pmk_list *pmk_list; /* wpa2 pmk list */
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struct work_struct event_work; /* event handler work struct */
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unsigned long status; /* current dongle status */
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void *pub;
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u32 channel; /* current channel */
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bool iscan_on; /* iscan on/off switch */
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bool iscan_kickstart; /* indicate iscan already started */
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bool active_scan; /* current scan mode */
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bool ibss_starter; /* indicates this sta is ibss starter */
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bool link_up; /* link/connection up flag */
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bool pwr_save; /* indicate whether dongle to support
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power save mode */
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bool dongle_up; /* indicate whether dongle up or not */
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bool roam_on; /* on/off switch for dongle self-roaming */
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bool scan_tried; /* indicates if first scan attempted */
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u8 *dcmd_buf; /* dcmd buffer */
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u8 *extra_buf; /* maily to grab assoc information */
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struct dentry *debugfsdir;
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u8 ci[0] __aligned(NETDEV_ALIGN);
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};
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static inline struct wiphy *cfg_to_wiphy(struct brcmf_cfg80211_priv *w)
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{
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return w->wdev->wiphy;
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}
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static inline struct brcmf_cfg80211_priv *wiphy_to_cfg(struct wiphy *w)
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{
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return (struct brcmf_cfg80211_priv *)(wiphy_priv(w));
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}
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static inline struct brcmf_cfg80211_priv *wdev_to_cfg(struct wireless_dev *wd)
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{
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return (struct brcmf_cfg80211_priv *)(wdev_priv(wd));
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}
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static inline struct net_device *cfg_to_ndev(struct brcmf_cfg80211_priv *cfg)
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{
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return cfg->wdev->netdev;
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}
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static inline struct brcmf_cfg80211_priv *ndev_to_cfg(struct net_device *ndev)
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{
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return wdev_to_cfg(ndev->ieee80211_ptr);
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}
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#define iscan_to_cfg(i) ((struct brcmf_cfg80211_priv *)(i->data))
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#define cfg_to_iscan(w) (w->iscan)
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static inline struct
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brcmf_cfg80211_connect_info *cfg_to_conn(struct brcmf_cfg80211_priv *cfg)
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{
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return &cfg->conn_info;
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}
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extern struct brcmf_cfg80211_dev *brcmf_cfg80211_attach(struct net_device *ndev,
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struct device *busdev,
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void *data);
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extern void brcmf_cfg80211_detach(struct brcmf_cfg80211_dev *cfg);
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/* event handler from dongle */
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extern void brcmf_cfg80211_event(struct net_device *ndev,
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const struct brcmf_event_msg *e, void *data);
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extern s32 brcmf_cfg80211_up(struct brcmf_cfg80211_dev *cfg_dev);
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extern s32 brcmf_cfg80211_down(struct brcmf_cfg80211_dev *cfg_dev);
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#endif /* _wl_cfg80211_h_ */
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