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