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 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 */ 21 enum 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 */ 35 struct 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 */ 57 enum 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 */ 86 struct 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 */ 120 struct 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 }; 142 143 s32 brcmf_p2p_attach(struct brcmf_cfg80211_info *cfg, bool p2pdev_forced); 144 void brcmf_p2p_detach(struct brcmf_p2p_info *p2p); 145 struct 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); 149 int brcmf_p2p_del_vif(struct wiphy *wiphy, struct wireless_dev *wdev); 150 int brcmf_p2p_ifchange(struct brcmf_cfg80211_info *cfg, 151 enum brcmf_fil_p2p_if_types if_type); 152 void brcmf_p2p_ifp_removed(struct brcmf_if *ifp, bool rtnl_locked); 153 int brcmf_p2p_start_device(struct wiphy *wiphy, struct wireless_dev *wdev); 154 void brcmf_p2p_stop_device(struct wiphy *wiphy, struct wireless_dev *wdev); 155 int brcmf_p2p_scan_prep(struct wiphy *wiphy, 156 struct cfg80211_scan_request *request, 157 struct brcmf_cfg80211_vif *vif); 158 int brcmf_p2p_remain_on_channel(struct wiphy *wiphy, struct wireless_dev *wdev, 159 struct ieee80211_channel *channel, 160 unsigned int duration, u64 *cookie); 161 int brcmf_p2p_notify_listen_complete(struct brcmf_if *ifp, 162 const struct brcmf_event_msg *e, 163 void *data); 164 void brcmf_p2p_cancel_remain_on_channel(struct brcmf_if *ifp); 165 int brcmf_p2p_notify_action_frame_rx(struct brcmf_if *ifp, 166 const struct brcmf_event_msg *e, 167 void *data); 168 int brcmf_p2p_notify_action_tx_complete(struct brcmf_if *ifp, 169 const struct brcmf_event_msg *e, 170 void *data); 171 bool brcmf_p2p_send_action_frame(struct brcmf_cfg80211_info *cfg, 172 struct net_device *ndev, 173 struct brcmf_fil_af_params_le *af_params); 174 bool brcmf_p2p_scan_finding_common_channel(struct brcmf_cfg80211_info *cfg, 175 struct brcmf_bss_info_le *bi); 176 s32 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_ */ 180