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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 | /* * Copyright (c) 2012 Broadcom Corporation * * Permission to use, copy, modify, and/or distribute this software for any * purpose with or without fee is hereby granted, provided that the above * copyright notice and this permission notice appear in all copies. * * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY * SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. */ #ifndef WL_CFGP2P_H_ #define WL_CFGP2P_H_ #include <net/cfg80211.h> struct brcmf_cfg80211_info; /** * enum p2p_bss_type - different type of BSS configurations. * * @P2PAPI_BSSCFG_PRIMARY: maps to driver's primary bsscfg. * @P2PAPI_BSSCFG_DEVICE: maps to driver's P2P device discovery bsscfg. * @P2PAPI_BSSCFG_CONNECTION: maps to driver's P2P connection bsscfg. * @P2PAPI_BSSCFG_MAX: used for range checking. */ enum p2p_bss_type { P2PAPI_BSSCFG_PRIMARY, /* maps to driver's primary bsscfg */ P2PAPI_BSSCFG_DEVICE, /* maps to driver's P2P device discovery bsscfg */ P2PAPI_BSSCFG_CONNECTION, /* maps to driver's P2P connection bsscfg */ P2PAPI_BSSCFG_MAX }; /** * struct p2p_bss - peer-to-peer bss related information. * * @vif: virtual interface of this P2P bss. * @private_data: TBD */ struct p2p_bss { struct brcmf_cfg80211_vif *vif; void *private_data; }; /** * enum brcmf_p2p_status - P2P specific dongle status. * * @BRCMF_P2P_STATUS_IF_ADD: peer-to-peer vif add sent to dongle. * @BRCMF_P2P_STATUS_IF_DEL: NOT-USED? * @BRCMF_P2P_STATUS_IF_DELETING: peer-to-peer vif delete sent to dongle. * @BRCMF_P2P_STATUS_IF_CHANGING: peer-to-peer vif change sent to dongle. * @BRCMF_P2P_STATUS_IF_CHANGED: peer-to-peer vif change completed on dongle. * @BRCMF_P2P_STATUS_ACTION_TX_COMPLETED: action frame tx completed. * @BRCMF_P2P_STATUS_ACTION_TX_NOACK: action frame tx not acked. * @BRCMF_P2P_STATUS_GO_NEG_PHASE: P2P GO negotiation ongoing. * @BRCMF_P2P_STATUS_DISCOVER_LISTEN: P2P listen, remaining on channel. * @BRCMF_P2P_STATUS_SENDING_ACT_FRAME: In the process of sending action frame. * @BRCMF_P2P_STATUS_WAITING_NEXT_AF_LISTEN: extra listen time for af tx. * @BRCMF_P2P_STATUS_WAITING_NEXT_ACT_FRAME: waiting for action frame response. * @BRCMF_P2P_STATUS_FINDING_COMMON_CHANNEL: search channel for AF active. */ enum brcmf_p2p_status { BRCMF_P2P_STATUS_ENABLED, BRCMF_P2P_STATUS_IF_ADD, BRCMF_P2P_STATUS_IF_DEL, BRCMF_P2P_STATUS_IF_DELETING, BRCMF_P2P_STATUS_IF_CHANGING, BRCMF_P2P_STATUS_IF_CHANGED, BRCMF_P2P_STATUS_ACTION_TX_COMPLETED, BRCMF_P2P_STATUS_ACTION_TX_NOACK, BRCMF_P2P_STATUS_GO_NEG_PHASE, BRCMF_P2P_STATUS_DISCOVER_LISTEN, BRCMF_P2P_STATUS_SENDING_ACT_FRAME, BRCMF_P2P_STATUS_WAITING_NEXT_AF_LISTEN, BRCMF_P2P_STATUS_WAITING_NEXT_ACT_FRAME, BRCMF_P2P_STATUS_FINDING_COMMON_CHANNEL }; /** * struct afx_hdl - action frame off channel storage. * * @afx_work: worker thread for searching channel * @act_frm_scan: thread synchronizing struct. * @is_active: channel searching active. * @peer_chan: current channel. * @is_listen: sets mode for afx worker. * @my_listen_chan: this peers listen channel. * @peer_listen_chan: remote peers listen channel. * @tx_dst_addr: mac address where tx af should be sent to. */ struct afx_hdl { struct work_struct afx_work; struct completion act_frm_scan; bool is_active; s32 peer_chan; bool is_listen; u16 my_listen_chan; u16 peer_listen_chan; u8 tx_dst_addr[ETH_ALEN]; }; /** * struct brcmf_p2p_info - p2p specific driver information. * * @cfg: driver private data for cfg80211 interface. * @status: status of P2P (see enum brcmf_p2p_status). * @dev_addr: P2P device address. * @int_addr: P2P interface address. * @bss_idx: informate for P2P bss types. * @listen_timer: timer for @WL_P2P_DISC_ST_LISTEN discover state. * @listen_channel: channel for @WL_P2P_DISC_ST_LISTEN discover state. * @remain_on_channel: contains copy of struct used by cfg80211. * @remain_on_channel_cookie: cookie counter for remain on channel cmd * @next_af_subtype: expected action frame subtype. * @send_af_done: indication that action frame tx is complete. * @afx_hdl: action frame search handler info. * @af_sent_channel: channel action frame is sent. * @af_tx_sent_jiffies: jiffies time when af tx was transmitted. * @wait_next_af: thread synchronizing struct. * @gon_req_action: about to send go negotiation requets frame. * @block_gon_req_tx: drop tx go negotiation requets frame. * @p2pdev_dynamically: is p2p device if created by module param or supplicant. * @wait_for_offchan_complete: wait for off-channel tx completion event. */ struct brcmf_p2p_info { struct brcmf_cfg80211_info *cfg; unsigned long status; u8 dev_addr[ETH_ALEN]; u8 int_addr[ETH_ALEN]; struct p2p_bss bss_idx[P2PAPI_BSSCFG_MAX]; struct timer_list listen_timer; u8 listen_channel; struct ieee80211_channel remain_on_channel; u32 remain_on_channel_cookie; u8 next_af_subtype; struct completion send_af_done; struct afx_hdl afx_hdl; u32 af_sent_channel; unsigned long af_tx_sent_jiffies; struct completion wait_next_af; bool gon_req_action; bool block_gon_req_tx; bool p2pdev_dynamically; bool wait_for_offchan_complete; }; s32 brcmf_p2p_attach(struct brcmf_cfg80211_info *cfg, bool p2pdev_forced); void brcmf_p2p_detach(struct brcmf_p2p_info *p2p); struct wireless_dev *brcmf_p2p_add_vif(struct wiphy *wiphy, const char *name, unsigned char name_assign_type, enum nl80211_iftype type, u32 *flags, struct vif_params *params); int brcmf_p2p_del_vif(struct wiphy *wiphy, struct wireless_dev *wdev); int brcmf_p2p_ifchange(struct brcmf_cfg80211_info *cfg, enum brcmf_fil_p2p_if_types if_type); void brcmf_p2p_ifp_removed(struct brcmf_if *ifp, bool rtnl_locked); int brcmf_p2p_start_device(struct wiphy *wiphy, struct wireless_dev *wdev); void brcmf_p2p_stop_device(struct wiphy *wiphy, struct wireless_dev *wdev); int brcmf_p2p_scan_prep(struct wiphy *wiphy, struct cfg80211_scan_request *request, struct brcmf_cfg80211_vif *vif); int brcmf_p2p_remain_on_channel(struct wiphy *wiphy, struct wireless_dev *wdev, struct ieee80211_channel *channel, unsigned int duration, u64 *cookie); int brcmf_p2p_notify_listen_complete(struct brcmf_if *ifp, const struct brcmf_event_msg *e, void *data); void brcmf_p2p_cancel_remain_on_channel(struct brcmf_if *ifp); int brcmf_p2p_notify_action_frame_rx(struct brcmf_if *ifp, const struct brcmf_event_msg *e, void *data); int brcmf_p2p_notify_action_tx_complete(struct brcmf_if *ifp, const struct brcmf_event_msg *e, void *data); bool brcmf_p2p_send_action_frame(struct brcmf_cfg80211_info *cfg, struct net_device *ndev, struct brcmf_fil_af_params_le *af_params); bool brcmf_p2p_scan_finding_common_channel(struct brcmf_cfg80211_info *cfg, struct brcmf_bss_info_le *bi); s32 brcmf_p2p_notify_rx_mgmt_p2p_probereq(struct brcmf_if *ifp, const struct brcmf_event_msg *e, void *data); #endif /* WL_CFGP2P_H_ */ |