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1// SPDX-License-Identifier: ISC
2/*
3 * Copyright (c) 2012 Broadcom Corporation
4 */
5#ifndef WL_CFGP2P_H_
6#define WL_CFGP2P_H_
7
8#include <net/cfg80211.h>
9
10struct brcmf_cfg80211_info;
11
12/**
13 * enum p2p_bss_type - different type of BSS configurations.
14 *
15 * @P2PAPI_BSSCFG_PRIMARY: maps to driver's primary bsscfg.
16 * @P2PAPI_BSSCFG_DEVICE: maps to driver's P2P device discovery bsscfg.
17 * @P2PAPI_BSSCFG_CONNECTION: maps to driver's 1st P2P connection bsscfg.
18 * @P2PAPI_BSSCFG_CONNECTION2: maps to driver's 2nd P2P connection bsscfg.
19 * @P2PAPI_BSSCFG_MAX: used for range checking.
20 */
21enum p2p_bss_type {
22 P2PAPI_BSSCFG_PRIMARY, /* maps to driver's primary bsscfg */
23 P2PAPI_BSSCFG_DEVICE, /* maps to driver's P2P device discovery bsscfg */
24 P2PAPI_BSSCFG_CONNECTION, /* driver's 1st P2P connection bsscfg */
25 P2PAPI_BSSCFG_CONNECTION2, /* driver's 2nd P2P connection bsscfg */
26 P2PAPI_BSSCFG_MAX
27};
28
29/**
30 * struct p2p_bss - peer-to-peer bss related information.
31 *
32 * @vif: virtual interface of this P2P bss.
33 * @private_data: TBD
34 */
35struct p2p_bss {
36 struct brcmf_cfg80211_vif *vif;
37 void *private_data;
38};
39
40/**
41 * enum brcmf_p2p_status - P2P specific dongle status.
42 *
43 * @BRCMF_P2P_STATUS_IF_ADD: peer-to-peer vif add sent to dongle.
44 * @BRCMF_P2P_STATUS_IF_DEL: NOT-USED?
45 * @BRCMF_P2P_STATUS_IF_DELETING: peer-to-peer vif delete sent to dongle.
46 * @BRCMF_P2P_STATUS_IF_CHANGING: peer-to-peer vif change sent to dongle.
47 * @BRCMF_P2P_STATUS_IF_CHANGED: peer-to-peer vif change completed on dongle.
48 * @BRCMF_P2P_STATUS_ACTION_TX_COMPLETED: action frame tx completed.
49 * @BRCMF_P2P_STATUS_ACTION_TX_NOACK: action frame tx not acked.
50 * @BRCMF_P2P_STATUS_GO_NEG_PHASE: P2P GO negotiation ongoing.
51 * @BRCMF_P2P_STATUS_DISCOVER_LISTEN: P2P listen, remaining on channel.
52 * @BRCMF_P2P_STATUS_SENDING_ACT_FRAME: In the process of sending action frame.
53 * @BRCMF_P2P_STATUS_WAITING_NEXT_AF_LISTEN: extra listen time for af tx.
54 * @BRCMF_P2P_STATUS_WAITING_NEXT_ACT_FRAME: waiting for action frame response.
55 * @BRCMF_P2P_STATUS_FINDING_COMMON_CHANNEL: search channel for AF active.
56 */
57enum brcmf_p2p_status {
58 BRCMF_P2P_STATUS_ENABLED,
59 BRCMF_P2P_STATUS_IF_ADD,
60 BRCMF_P2P_STATUS_IF_DEL,
61 BRCMF_P2P_STATUS_IF_DELETING,
62 BRCMF_P2P_STATUS_IF_CHANGING,
63 BRCMF_P2P_STATUS_IF_CHANGED,
64 BRCMF_P2P_STATUS_ACTION_TX_COMPLETED,
65 BRCMF_P2P_STATUS_ACTION_TX_NOACK,
66 BRCMF_P2P_STATUS_GO_NEG_PHASE,
67 BRCMF_P2P_STATUS_DISCOVER_LISTEN,
68 BRCMF_P2P_STATUS_SENDING_ACT_FRAME,
69 BRCMF_P2P_STATUS_WAITING_NEXT_AF_LISTEN,
70 BRCMF_P2P_STATUS_WAITING_NEXT_ACT_FRAME,
71 BRCMF_P2P_STATUS_FINDING_COMMON_CHANNEL
72};
73
74/**
75 * struct afx_hdl - action frame off channel storage.
76 *
77 * @afx_work: worker thread for searching channel
78 * @act_frm_scan: thread synchronizing struct.
79 * @is_active: channel searching active.
80 * @peer_chan: current channel.
81 * @is_listen: sets mode for afx worker.
82 * @my_listen_chan: this peers listen channel.
83 * @peer_listen_chan: remote peers listen channel.
84 * @tx_dst_addr: mac address where tx af should be sent to.
85 */
86struct afx_hdl {
87 struct work_struct afx_work;
88 struct completion act_frm_scan;
89 bool is_active;
90 s32 peer_chan;
91 bool is_listen;
92 u16 my_listen_chan;
93 u16 peer_listen_chan;
94 u8 tx_dst_addr[ETH_ALEN];
95};
96
97/**
98 * struct brcmf_p2p_info - p2p specific driver information.
99 *
100 * @cfg: driver private data for cfg80211 interface.
101 * @status: status of P2P (see enum brcmf_p2p_status).
102 * @dev_addr: P2P device address.
103 * @int_addr: P2P interface address.
104 * @bss_idx: informate for P2P bss types.
105 * @listen_timer: timer for @WL_P2P_DISC_ST_LISTEN discover state.
106 * @listen_channel: channel for @WL_P2P_DISC_ST_LISTEN discover state.
107 * @remain_on_channel: contains copy of struct used by cfg80211.
108 * @remain_on_channel_cookie: cookie counter for remain on channel cmd
109 * @next_af_subtype: expected action frame subtype.
110 * @send_af_done: indication that action frame tx is complete.
111 * @afx_hdl: action frame search handler info.
112 * @af_sent_channel: channel action frame is sent.
113 * @af_tx_sent_jiffies: jiffies time when af tx was transmitted.
114 * @wait_next_af: thread synchronizing struct.
115 * @gon_req_action: about to send go negotiation requets frame.
116 * @block_gon_req_tx: drop tx go negotiation requets frame.
117 * @p2pdev_dynamically: is p2p device if created by module param or supplicant.
118 * @wait_for_offchan_complete: wait for off-channel tx completion event.
119 */
120struct brcmf_p2p_info {
121 struct brcmf_cfg80211_info *cfg;
122 unsigned long status;
123 u8 dev_addr[ETH_ALEN];
124 u8 conn_int_addr[ETH_ALEN];
125 u8 conn2_int_addr[ETH_ALEN];
126 struct p2p_bss bss_idx[P2PAPI_BSSCFG_MAX];
127 struct timer_list listen_timer;
128 u8 listen_channel;
129 struct ieee80211_channel remain_on_channel;
130 u32 remain_on_channel_cookie;
131 u8 next_af_subtype;
132 struct completion send_af_done;
133 struct afx_hdl afx_hdl;
134 u32 af_sent_channel;
135 unsigned long af_tx_sent_jiffies;
136 struct completion wait_next_af;
137 bool gon_req_action;
138 bool block_gon_req_tx;
139 bool p2pdev_dynamically;
140 bool wait_for_offchan_complete;
141};
142
143s32 brcmf_p2p_attach(struct brcmf_cfg80211_info *cfg, bool p2pdev_forced);
144void brcmf_p2p_detach(struct brcmf_p2p_info *p2p);
145struct wireless_dev *brcmf_p2p_add_vif(struct wiphy *wiphy, const char *name,
146 unsigned char name_assign_type,
147 enum nl80211_iftype type,
148 struct vif_params *params);
149int brcmf_p2p_del_vif(struct wiphy *wiphy, struct wireless_dev *wdev);
150int brcmf_p2p_ifchange(struct brcmf_cfg80211_info *cfg,
151 enum brcmf_fil_p2p_if_types if_type);
152void brcmf_p2p_ifp_removed(struct brcmf_if *ifp, bool rtnl_locked);
153int brcmf_p2p_start_device(struct wiphy *wiphy, struct wireless_dev *wdev);
154void brcmf_p2p_stop_device(struct wiphy *wiphy, struct wireless_dev *wdev);
155int brcmf_p2p_scan_prep(struct wiphy *wiphy,
156 struct cfg80211_scan_request *request,
157 struct brcmf_cfg80211_vif *vif);
158int brcmf_p2p_remain_on_channel(struct wiphy *wiphy, struct wireless_dev *wdev,
159 struct ieee80211_channel *channel,
160 unsigned int duration, u64 *cookie);
161int brcmf_p2p_notify_listen_complete(struct brcmf_if *ifp,
162 const struct brcmf_event_msg *e,
163 void *data);
164void brcmf_p2p_cancel_remain_on_channel(struct brcmf_if *ifp);
165int brcmf_p2p_notify_action_frame_rx(struct brcmf_if *ifp,
166 const struct brcmf_event_msg *e,
167 void *data);
168int brcmf_p2p_notify_action_tx_complete(struct brcmf_if *ifp,
169 const struct brcmf_event_msg *e,
170 void *data);
171bool brcmf_p2p_send_action_frame(struct brcmf_cfg80211_info *cfg,
172 struct net_device *ndev,
173 struct brcmf_fil_af_params_le *af_params);
174bool brcmf_p2p_scan_finding_common_channel(struct brcmf_cfg80211_info *cfg,
175 struct brcmf_bss_info_le *bi);
176s32 brcmf_p2p_notify_rx_mgmt_p2p_probereq(struct brcmf_if *ifp,
177 const struct brcmf_event_msg *e,
178 void *data);
179#endif /* WL_CFGP2P_H_ */