/* * Copyright (c) 2012 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_CFGP2P_H_ #define WL_CFGP2P_H_ #include struct brcmf_cfg80211_info; /** * enum p2p_bss_type - different type of BSS configurations. * * @P2PAPI_BSSCFG_PRIMARY: maps to driver's primary bsscfg. * @P2PAPI_BSSCFG_DEVICE: maps to driver's P2P device discovery bsscfg. * @P2PAPI_BSSCFG_CONNECTION: maps to driver's P2P connection bsscfg. * @P2PAPI_BSSCFG_MAX: used for range checking. */ enum p2p_bss_type { P2PAPI_BSSCFG_PRIMARY, /* maps to driver's primary bsscfg */ P2PAPI_BSSCFG_DEVICE, /* maps to driver's P2P device discovery bsscfg */ P2PAPI_BSSCFG_CONNECTION, /* maps to driver's P2P connection bsscfg */ P2PAPI_BSSCFG_MAX }; /** * struct p2p_bss - peer-to-peer bss related information. * * @vif: virtual interface of this P2P bss. * @private_data: TBD */ struct p2p_bss { struct brcmf_cfg80211_vif *vif; void *private_data; }; /** * enum brcmf_p2p_status - P2P specific dongle status. * * @BRCMF_P2P_STATUS_IF_ADD: peer-to-peer vif add sent to dongle. * @BRCMF_P2P_STATUS_IF_DEL: NOT-USED? * @BRCMF_P2P_STATUS_IF_DELETING: peer-to-peer vif delete sent to dongle. * @BRCMF_P2P_STATUS_IF_CHANGING: peer-to-peer vif change sent to dongle. * @BRCMF_P2P_STATUS_IF_CHANGED: peer-to-peer vif change completed on dongle. * @BRCMF_P2P_STATUS_ACTION_TX_COMPLETED: action frame tx completed. * @BRCMF_P2P_STATUS_ACTION_TX_NOACK: action frame tx not acked. * @BRCMF_P2P_STATUS_GO_NEG_PHASE: P2P GO negotiation ongoing. * @BRCMF_P2P_STATUS_DISCOVER_LISTEN: P2P listen, remaining on channel. * @BRCMF_P2P_STATUS_SENDING_ACT_FRAME: In the process of sending action frame. * @BRCMF_P2P_STATUS_WAITING_NEXT_AF_LISTEN: extra listen time for af tx. * @BRCMF_P2P_STATUS_WAITING_NEXT_ACT_FRAME: waiting for action frame response. * @BRCMF_P2P_STATUS_FINDING_COMMON_CHANNEL: search channel for AF active. */ enum brcmf_p2p_status { BRCMF_P2P_STATUS_ENABLED, BRCMF_P2P_STATUS_IF_ADD, BRCMF_P2P_STATUS_IF_DEL, BRCMF_P2P_STATUS_IF_DELETING, BRCMF_P2P_STATUS_IF_CHANGING, BRCMF_P2P_STATUS_IF_CHANGED, BRCMF_P2P_STATUS_ACTION_TX_COMPLETED, BRCMF_P2P_STATUS_ACTION_TX_NOACK, BRCMF_P2P_STATUS_GO_NEG_PHASE, BRCMF_P2P_STATUS_DISCOVER_LISTEN, BRCMF_P2P_STATUS_SENDING_ACT_FRAME, BRCMF_P2P_STATUS_WAITING_NEXT_AF_LISTEN, BRCMF_P2P_STATUS_WAITING_NEXT_ACT_FRAME, BRCMF_P2P_STATUS_FINDING_COMMON_CHANNEL }; /** * struct afx_hdl - action frame off channel storage. * * @afx_work: worker thread for searching channel * @act_frm_scan: thread synchronizing struct. * @is_active: channel searching active. * @peer_chan: current channel. * @is_listen: sets mode for afx worker. * @my_listen_chan: this peers listen channel. * @peer_listen_chan: remote peers listen channel. * @tx_dst_addr: mac address where tx af should be sent to. */ struct afx_hdl { struct work_struct afx_work; struct completion act_frm_scan; bool is_active; s32 peer_chan; bool is_listen; u16 my_listen_chan; u16 peer_listen_chan; u8 tx_dst_addr[ETH_ALEN]; }; /** * struct brcmf_p2p_info - p2p specific driver information. * * @cfg: driver private data for cfg80211 interface. * @status: status of P2P (see enum brcmf_p2p_status). * @dev_addr: P2P device address. * @int_addr: P2P interface address. * @bss_idx: informate for P2P bss types. * @listen_timer: timer for @WL_P2P_DISC_ST_LISTEN discover state. * @ssid: ssid for P2P GO. * @listen_channel: channel for @WL_P2P_DISC_ST_LISTEN discover state. * @remain_on_channel: contains copy of struct used by cfg80211. * @remain_on_channel_cookie: cookie counter for remain on channel cmd * @next_af_subtype: expected action frame subtype. * @send_af_done: indication that action frame tx is complete. * @afx_hdl: action frame search handler info. * @af_sent_channel: channel action frame is sent. * @af_tx_sent_jiffies: jiffies time when af tx was transmitted. * @wait_next_af: thread synchronizing struct. * @gon_req_action: about to send go negotiation requets frame. * @block_gon_req_tx: drop tx go negotiation requets frame. * @p2pdev_dynamically: is p2p device if created by module param or supplicant. * @wait_for_offchan_complete: wait for off-channel tx completion event. */ struct brcmf_p2p_info { struct brcmf_cfg80211_info *cfg; unsigned long status; u8 dev_addr[ETH_ALEN]; u8 int_addr[ETH_ALEN]; struct p2p_bss bss_idx[P2PAPI_BSSCFG_MAX]; struct timer_list listen_timer; struct brcmf_ssid ssid; u8 listen_channel; struct ieee80211_channel remain_on_channel; u32 remain_on_channel_cookie; u8 next_af_subtype; struct completion send_af_done; struct afx_hdl afx_hdl; u32 af_sent_channel; unsigned long af_tx_sent_jiffies; struct completion wait_next_af; bool gon_req_action; bool block_gon_req_tx; bool p2pdev_dynamically; bool wait_for_offchan_complete; }; s32 brcmf_p2p_attach(struct brcmf_cfg80211_info *cfg, bool p2pdev_forced); void brcmf_p2p_detach(struct brcmf_p2p_info *p2p); struct wireless_dev *brcmf_p2p_add_vif(struct wiphy *wiphy, const char *name, unsigned char name_assign_type, enum nl80211_iftype type, u32 *flags, struct vif_params *params); int brcmf_p2p_del_vif(struct wiphy *wiphy, struct wireless_dev *wdev); int brcmf_p2p_ifchange(struct brcmf_cfg80211_info *cfg, enum brcmf_fil_p2p_if_types if_type); void brcmf_p2p_ifp_removed(struct brcmf_if *ifp); int brcmf_p2p_start_device(struct wiphy *wiphy, struct wireless_dev *wdev); void brcmf_p2p_stop_device(struct wiphy *wiphy, struct wireless_dev *wdev); int brcmf_p2p_scan_prep(struct wiphy *wiphy, struct cfg80211_scan_request *request, struct brcmf_cfg80211_vif *vif); int brcmf_p2p_remain_on_channel(struct wiphy *wiphy, struct wireless_dev *wdev, struct ieee80211_channel *channel, unsigned int duration, u64 *cookie); int brcmf_p2p_notify_listen_complete(struct brcmf_if *ifp, const struct brcmf_event_msg *e, void *data); void brcmf_p2p_cancel_remain_on_channel(struct brcmf_if *ifp); int brcmf_p2p_notify_action_frame_rx(struct brcmf_if *ifp, const struct brcmf_event_msg *e, void *data); int brcmf_p2p_notify_action_tx_complete(struct brcmf_if *ifp, const struct brcmf_event_msg *e, void *data); bool brcmf_p2p_send_action_frame(struct brcmf_cfg80211_info *cfg, struct net_device *ndev, struct brcmf_fil_af_params_le *af_params); bool brcmf_p2p_scan_finding_common_channel(struct brcmf_cfg80211_info *cfg, struct brcmf_bss_info_le *bi); s32 brcmf_p2p_notify_rx_mgmt_p2p_probereq(struct brcmf_if *ifp, const struct brcmf_event_msg *e, void *data); #endif /* WL_CFGP2P_H_ */