nexmon – Blame information for rev 1

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1 office 1 /*
2 * Copyright (c) 2012 Broadcom Corporation
3 *
4 * Permission to use, copy, modify, and/or distribute this software for any
5 * purpose with or without fee is hereby granted, provided that the above
6 * copyright notice and this permission notice appear in all copies.
7 *
8 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
9 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
10 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
11 * SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
12 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION
13 * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
14 * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
15 */
16 #ifndef WL_CFGP2P_H_
17 #define WL_CFGP2P_H_
18  
19 #include <net/cfg80211.h>
20  
21 struct brcmf_cfg80211_info;
22  
23 /**
24 * enum p2p_bss_type - different type of BSS configurations.
25 *
26 * @P2PAPI_BSSCFG_PRIMARY: maps to driver's primary bsscfg.
27 * @P2PAPI_BSSCFG_DEVICE: maps to driver's P2P device discovery bsscfg.
28 * @P2PAPI_BSSCFG_CONNECTION: maps to driver's P2P connection bsscfg.
29 * @P2PAPI_BSSCFG_MAX: used for range checking.
30 */
31 enum p2p_bss_type {
32 P2PAPI_BSSCFG_PRIMARY, /* maps to driver's primary bsscfg */
33 P2PAPI_BSSCFG_DEVICE, /* maps to driver's P2P device discovery bsscfg */
34 P2PAPI_BSSCFG_CONNECTION, /* maps to driver's P2P connection bsscfg */
35 P2PAPI_BSSCFG_MAX
36 };
37  
38 /**
39 * struct p2p_bss - peer-to-peer bss related information.
40 *
41 * @vif: virtual interface of this P2P bss.
42 * @private_data: TBD
43 */
44 struct p2p_bss {
45 struct brcmf_cfg80211_vif *vif;
46 void *private_data;
47 };
48  
49 /**
50 * enum brcmf_p2p_status - P2P specific dongle status.
51 *
52 * @BRCMF_P2P_STATUS_IF_ADD: peer-to-peer vif add sent to dongle.
53 * @BRCMF_P2P_STATUS_IF_DEL: NOT-USED?
54 * @BRCMF_P2P_STATUS_IF_DELETING: peer-to-peer vif delete sent to dongle.
55 * @BRCMF_P2P_STATUS_IF_CHANGING: peer-to-peer vif change sent to dongle.
56 * @BRCMF_P2P_STATUS_IF_CHANGED: peer-to-peer vif change completed on dongle.
57 * @BRCMF_P2P_STATUS_ACTION_TX_COMPLETED: action frame tx completed.
58 * @BRCMF_P2P_STATUS_ACTION_TX_NOACK: action frame tx not acked.
59 * @BRCMF_P2P_STATUS_GO_NEG_PHASE: P2P GO negotiation ongoing.
60 * @BRCMF_P2P_STATUS_DISCOVER_LISTEN: P2P listen, remaining on channel.
61 * @BRCMF_P2P_STATUS_SENDING_ACT_FRAME: In the process of sending action frame.
62 * @BRCMF_P2P_STATUS_WAITING_NEXT_AF_LISTEN: extra listen time for af tx.
63 * @BRCMF_P2P_STATUS_WAITING_NEXT_ACT_FRAME: waiting for action frame response.
64 * @BRCMF_P2P_STATUS_FINDING_COMMON_CHANNEL: search channel for AF active.
65 */
66 enum brcmf_p2p_status {
67 BRCMF_P2P_STATUS_ENABLED,
68 BRCMF_P2P_STATUS_IF_ADD,
69 BRCMF_P2P_STATUS_IF_DEL,
70 BRCMF_P2P_STATUS_IF_DELETING,
71 BRCMF_P2P_STATUS_IF_CHANGING,
72 BRCMF_P2P_STATUS_IF_CHANGED,
73 BRCMF_P2P_STATUS_ACTION_TX_COMPLETED,
74 BRCMF_P2P_STATUS_ACTION_TX_NOACK,
75 BRCMF_P2P_STATUS_GO_NEG_PHASE,
76 BRCMF_P2P_STATUS_DISCOVER_LISTEN,
77 BRCMF_P2P_STATUS_SENDING_ACT_FRAME,
78 BRCMF_P2P_STATUS_WAITING_NEXT_AF_LISTEN,
79 BRCMF_P2P_STATUS_WAITING_NEXT_ACT_FRAME,
80 BRCMF_P2P_STATUS_FINDING_COMMON_CHANNEL
81 };
82  
83 /**
84 * struct afx_hdl - action frame off channel storage.
85 *
86 * @afx_work: worker thread for searching channel
87 * @act_frm_scan: thread synchronizing struct.
88 * @is_active: channel searching active.
89 * @peer_chan: current channel.
90 * @is_listen: sets mode for afx worker.
91 * @my_listen_chan: this peers listen channel.
92 * @peer_listen_chan: remote peers listen channel.
93 * @tx_dst_addr: mac address where tx af should be sent to.
94 */
95 struct afx_hdl {
96 struct work_struct afx_work;
97 struct completion act_frm_scan;
98 bool is_active;
99 s32 peer_chan;
100 bool is_listen;
101 u16 my_listen_chan;
102 u16 peer_listen_chan;
103 u8 tx_dst_addr[ETH_ALEN];
104 };
105  
106 /**
107 * struct brcmf_p2p_info - p2p specific driver information.
108 *
109 * @cfg: driver private data for cfg80211 interface.
110 * @status: status of P2P (see enum brcmf_p2p_status).
111 * @dev_addr: P2P device address.
112 * @int_addr: P2P interface address.
113 * @bss_idx: informate for P2P bss types.
114 * @listen_timer: timer for @WL_P2P_DISC_ST_LISTEN discover state.
115 * @listen_channel: channel for @WL_P2P_DISC_ST_LISTEN discover state.
116 * @remain_on_channel: contains copy of struct used by cfg80211.
117 * @remain_on_channel_cookie: cookie counter for remain on channel cmd
118 * @next_af_subtype: expected action frame subtype.
119 * @send_af_done: indication that action frame tx is complete.
120 * @afx_hdl: action frame search handler info.
121 * @af_sent_channel: channel action frame is sent.
122 * @af_tx_sent_jiffies: jiffies time when af tx was transmitted.
123 * @wait_next_af: thread synchronizing struct.
124 * @gon_req_action: about to send go negotiation requets frame.
125 * @block_gon_req_tx: drop tx go negotiation requets frame.
126 * @p2pdev_dynamically: is p2p device if created by module param or supplicant.
127 */
128 struct brcmf_p2p_info {
129 struct brcmf_cfg80211_info *cfg;
130 unsigned long status;
131 u8 dev_addr[ETH_ALEN];
132 u8 int_addr[ETH_ALEN];
133 struct p2p_bss bss_idx[P2PAPI_BSSCFG_MAX];
134 struct timer_list listen_timer;
135 u8 listen_channel;
136 struct ieee80211_channel remain_on_channel;
137 u32 remain_on_channel_cookie;
138 u8 next_af_subtype;
139 struct completion send_af_done;
140 struct afx_hdl afx_hdl;
141 u32 af_sent_channel;
142 unsigned long af_tx_sent_jiffies;
143 struct completion wait_next_af;
144 bool gon_req_action;
145 bool block_gon_req_tx;
146 bool p2pdev_dynamically;
147 };
148  
149 s32 brcmf_p2p_attach(struct brcmf_cfg80211_info *cfg, bool p2pdev_forced);
150 void brcmf_p2p_detach(struct brcmf_p2p_info *p2p);
151 struct wireless_dev *brcmf_p2p_add_vif(struct wiphy *wiphy, const char *name,
152 unsigned char name_assign_type,
153 enum nl80211_iftype type,
154 struct vif_params *params);
155 int brcmf_p2p_del_vif(struct wiphy *wiphy, struct wireless_dev *wdev);
156 int brcmf_p2p_ifchange(struct brcmf_cfg80211_info *cfg,
157 enum brcmf_fil_p2p_if_types if_type);
158 void brcmf_p2p_ifp_removed(struct brcmf_if *ifp, bool rtnl_locked);
159 int brcmf_p2p_start_device(struct wiphy *wiphy, struct wireless_dev *wdev);
160 void brcmf_p2p_stop_device(struct wiphy *wiphy, struct wireless_dev *wdev);
161 int brcmf_p2p_scan_prep(struct wiphy *wiphy,
162 struct cfg80211_scan_request *request,
163 struct brcmf_cfg80211_vif *vif);
164 int brcmf_p2p_remain_on_channel(struct wiphy *wiphy, struct wireless_dev *wdev,
165 struct ieee80211_channel *channel,
166 unsigned int duration, u64 *cookie);
167 int brcmf_p2p_notify_listen_complete(struct brcmf_if *ifp,
168 const struct brcmf_event_msg *e,
169 void *data);
170 void brcmf_p2p_cancel_remain_on_channel(struct brcmf_if *ifp);
171 int brcmf_p2p_notify_action_frame_rx(struct brcmf_if *ifp,
172 const struct brcmf_event_msg *e,
173 void *data);
174 int brcmf_p2p_notify_action_tx_complete(struct brcmf_if *ifp,
175 const struct brcmf_event_msg *e,
176 void *data);
177 bool brcmf_p2p_send_action_frame(struct brcmf_cfg80211_info *cfg,
178 struct net_device *ndev,
179 struct brcmf_fil_af_params_le *af_params);
180 bool brcmf_p2p_scan_finding_common_channel(struct brcmf_cfg80211_info *cfg,
181 struct brcmf_bss_info_le *bi);
182 s32 brcmf_p2p_notify_rx_mgmt_p2p_probereq(struct brcmf_if *ifp,
183 const struct brcmf_event_msg *e,
184 void *data);
185 #endif /* WL_CFGP2P_H_ */