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/*
* 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 SRC_CONNECTIVITY_WLAN_DRIVERS_THIRD_PARTY_BROADCOM_BRCMFMAC_P2P_H_
#define SRC_CONNECTIVITY_WLAN_DRIVERS_THIRD_PARTY_BROADCOM_BRCMFMAC_P2P_H_
#include <lib/sync/completion.h>
#include "core.h"
#include "fwil_types.h"
#include "linuxisms.h"
#include "workqueue.h"
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;
sync_completion_t act_frm_scan;
bool is_active;
int32_t peer_chan;
bool is_listen;
uint16_t my_listen_chan;
uint16_t peer_listen_chan;
uint8_t 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_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_time: ZX 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.
*/
struct brcmf_p2p_info {
struct brcmf_cfg80211_info* cfg;
std::atomic<unsigned long> status;
uint8_t dev_addr[ETH_ALEN];
uint8_t int_addr[ETH_ALEN];
struct p2p_bss bss_idx[P2PAPI_BSSCFG_MAX];
uint8_t listen_channel;
struct ieee80211_channel remain_on_channel;
uint32_t remain_on_channel_cookie;
uint8_t next_af_subtype;
sync_completion_t send_af_done;
struct afx_hdl afx_hdl;
uint32_t af_sent_channel;
zx_time_t af_tx_sent_time;
sync_completion_t wait_next_af;
bool gon_req_action;
bool block_gon_req_tx;
bool p2pdev_dynamically;
};
zx_status_t brcmf_p2p_ifchange(struct brcmf_cfg80211_info* cfg,
enum brcmf_fil_p2p_if_types if_type);
zx_status_t brcmf_p2p_start_device(struct wiphy* wiphy, struct wireless_dev* wdev);
void brcmf_p2p_stop_device(struct wiphy* wiphy, struct wireless_dev* wdev);
bool brcmf_p2p_scan_finding_common_channel(struct brcmf_cfg80211_info* cfg,
struct brcmf_bss_info_le* bi);
#endif // SRC_CONNECTIVITY_WLAN_DRIVERS_THIRD_PARTY_BROADCOM_BRCMFMAC_P2P_H_