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_ */ 186