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