| /* |
| * Copyright (c) 2017-2018 The Linux Foundation. All rights reserved. |
| * |
| * 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. |
| */ |
| |
| /** |
| * DOC: Defines main P2P functions & structures |
| */ |
| |
| #ifndef _WLAN_P2P_MAIN_H_ |
| #define _WLAN_P2P_MAIN_H_ |
| |
| #include <qdf_trace.h> |
| #include <qdf_types.h> |
| #include <qdf_event.h> |
| #include <qdf_list.h> |
| #include <qdf_lock.h> |
| #include <qdf_idr.h> |
| #include <qdf_mc_timer.h> |
| |
| #define MAX_QUEUE_LENGTH 20 |
| #define P2P_NOA_ATTR_IND 0x1090 |
| #define P2P_MODULE_NAME "P2P" |
| #define P2P_INVALID_VDEV_ID 0xFFFFFFFF |
| #define MAX_RANDOM_MAC_ADDRS 4 |
| |
| #define p2p_debug(params ...) \ |
| QDF_TRACE_DEBUG(QDF_MODULE_ID_P2P, params) |
| #define p2p_info(params ...) \ |
| QDF_TRACE_INFO(QDF_MODULE_ID_P2P, params) |
| #define p2p_warn(params ...) \ |
| QDF_TRACE_WARN(QDF_MODULE_ID_P2P, params) |
| #define p2p_err(params ...) \ |
| QDF_TRACE_ERROR(QDF_MODULE_ID_P2P, params) |
| #define p2p_debug_rl(params...) \ |
| QDF_TRACE_DEBUG_RL(QDF_MODULE_ID_P2P, params) |
| |
| #define p2p_alert(params ...) \ |
| QDF_TRACE_FATAL(QDF_MODULE_ID_P2P, params) |
| |
| #define p2p_nofl_debug(params ...) \ |
| QDF_TRACE_DEBUG_NO_FL(QDF_MODULE_ID_P2P, params) |
| #define p2p_nofl_info(params ...) \ |
| QDF_TRACE_INFO_NO_FL(QDF_MODULE_ID_P2P, params) |
| #define p2p_nofl_warn(params ...) \ |
| QDF_TRACE_WARN_NO_FL(QDF_MODULE_ID_P2P, params) |
| #define p2p_nofl_err(params ...) \ |
| QDF_TRACE_ERROR_NO_FL(QDF_MODULE_ID_P2P, params) |
| #define p2p_nofl_alert(params ...) \ |
| QDF_TRACE_FATAL_NO_FL(QDF_MODULE_ID_P2P, params) |
| |
| struct scheduler_msg; |
| struct p2p_tx_cnf; |
| struct p2p_rx_mgmt_frame; |
| struct p2p_lo_event; |
| struct p2p_start_param; |
| struct p2p_noa_info; |
| struct tx_action_context; |
| |
| /** |
| * enum p2p_cmd_type - P2P request type |
| * @P2P_ROC_REQ: P2P roc request |
| * @P2P_CANCEL_ROC_REQ: Cancel P2P roc request |
| * @P2P_MGMT_TX: P2P tx action frame request |
| * @P2P_MGMT_TX_CANCEL: Cancel tx action frame request |
| * @P2P_CLEANUP_ROC: Cleanup roc queue |
| * @P2P_CLEANUP_TX: Cleanup tx mgmt queue |
| * @P2P_SET_RANDOM_MAC: Set Random MAC addr filter request |
| */ |
| enum p2p_cmd_type { |
| P2P_ROC_REQ = 0, |
| P2P_CANCEL_ROC_REQ, |
| P2P_MGMT_TX, |
| P2P_MGMT_TX_CANCEL, |
| P2P_CLEANUP_ROC, |
| P2P_CLEANUP_TX, |
| P2P_SET_RANDOM_MAC, |
| }; |
| |
| /** |
| * enum p2p_event_type - P2P event type |
| * @P2P_EVENT_SCAN_EVENT: P2P scan event |
| * @P2P_EVENT_MGMT_TX_ACK_CNF: P2P mgmt tx confirm frame |
| * @P2P_EVENT_RX_MGMT: P2P rx mgmt frame |
| * @P2P_EVENT_LO_STOPPED: P2P listen offload stopped event |
| * @P2P_EVENT_NOA: P2P noa event |
| * @P2P_EVENT_ADD_MAC_RSP: Set Random MAC addr event |
| */ |
| enum p2p_event_type { |
| P2P_EVENT_SCAN_EVENT = 0, |
| P2P_EVENT_MGMT_TX_ACK_CNF, |
| P2P_EVENT_RX_MGMT, |
| P2P_EVENT_LO_STOPPED, |
| P2P_EVENT_NOA, |
| P2P_EVENT_ADD_MAC_RSP, |
| }; |
| |
| /** |
| * struct p2p_tx_conf_event - p2p tx confirm event |
| * @p2p_soc_obj: p2p soc private object |
| * @buf: buffer address |
| * @status: tx status |
| */ |
| struct p2p_tx_conf_event { |
| struct p2p_soc_priv_obj *p2p_soc_obj; |
| qdf_nbuf_t nbuf; |
| uint32_t status; |
| }; |
| |
| /** |
| * struct p2p_rx_mgmt_event - p2p rx mgmt frame event |
| * @p2p_soc_obj: p2p soc private object |
| * @rx_mgmt: p2p rx mgmt frame structure |
| */ |
| struct p2p_rx_mgmt_event { |
| struct p2p_soc_priv_obj *p2p_soc_obj; |
| struct p2p_rx_mgmt_frame *rx_mgmt; |
| }; |
| |
| /** |
| * struct p2p_lo_stop_event - p2p listen offload stop event |
| * @p2p_soc_obj: p2p soc private object |
| * @lo_event: p2p lo stop structure |
| */ |
| struct p2p_lo_stop_event { |
| struct p2p_soc_priv_obj *p2p_soc_obj; |
| struct p2p_lo_event *lo_event; |
| }; |
| |
| /** |
| * struct p2p_noa_event - p2p noa event |
| * @p2p_soc_obj: p2p soc private object |
| * @noa_info: p2p noa information structure |
| */ |
| struct p2p_noa_event { |
| struct p2p_soc_priv_obj *p2p_soc_obj; |
| struct p2p_noa_info *noa_info; |
| }; |
| |
| /** |
| * struct p2p_mac_filter_rsp - p2p set mac filter respone |
| * @p2p_soc_obj: p2p soc private object |
| * @vdev_id: vdev id |
| * @status: successfully(1) or not (0) |
| */ |
| struct p2p_mac_filter_rsp { |
| struct p2p_soc_priv_obj *p2p_soc_obj; |
| uint32_t vdev_id; |
| uint32_t status; |
| }; |
| |
| #ifdef WLAN_FEATURE_P2P_DEBUG |
| /** |
| * enum p2p_connection_status - p2p connection status |
| * @P2P_NOT_ACTIVE: P2P not active status |
| * @P2P_GO_NEG_PROCESS: P2P GO negotiation in process |
| * @P2P_GO_NEG_COMPLETED: P2P GO negotiation complete |
| * @P2P_CLIENT_CONNECTING_STATE_1: P2P client connecting state 1 |
| * @P2P_GO_COMPLETED_STATE: P2P GO complete state |
| * @P2P_CLIENT_CONNECTED_STATE_1: P2P client connected state 1 |
| * @P2P_CLIENT_DISCONNECTED_STATE: P2P client disconnected state |
| * @P2P_CLIENT_CONNECTING_STATE_2: P2P client connecting state 2 |
| * @P2P_CLIENT_COMPLETED_STATE: P2P client complete state |
| */ |
| enum p2p_connection_status { |
| P2P_NOT_ACTIVE, |
| P2P_GO_NEG_PROCESS, |
| P2P_GO_NEG_COMPLETED, |
| P2P_CLIENT_CONNECTING_STATE_1, |
| P2P_GO_COMPLETED_STATE, |
| P2P_CLIENT_CONNECTED_STATE_1, |
| P2P_CLIENT_DISCONNECTED_STATE, |
| P2P_CLIENT_CONNECTING_STATE_2, |
| P2P_CLIENT_COMPLETED_STATE |
| }; |
| #endif |
| |
| /** |
| * struct p2p_param - p2p parameters to be used |
| * @go_keepalive_period: P2P GO keep alive period |
| * @go_link_monitor_period: period where link is idle and |
| * where we send NULL frame |
| * @p2p_device_addr_admin: enable/disable to derive the P2P |
| * MAC address from the primary MAC address |
| * @skip_dfs_channel_p2p_search: kip DFS Channel in case of P2P Search |
| * @ignore_dynamic_dtim_in_p2p_mode:Ignore Dynamic Dtim in case of P2P options |
| */ |
| struct p2p_param { |
| uint32_t go_keepalive_period; |
| uint32_t go_link_monitor_period; |
| bool p2p_device_addr_admin; |
| bool skip_dfs_channel_p2p_search; |
| bool ignore_dynamic_dtim_in_p2p_mode; |
| }; |
| |
| /** |
| * struct p2p_soc_priv_obj - Per SoC p2p private object |
| * @soc: Pointer to SoC context |
| * @roc_q: Queue for pending roc requests |
| * @tx_q_roc: Queue for tx frames waiting for RoC |
| * @tx_q_ack: Queue for tx frames waiting for ack |
| * @scan_req_id: Scan requestor id |
| * @start_param: Start parameters, include callbacks and user |
| * data to HDD |
| * @cancel_roc_done: Cancel roc done event |
| * @cleanup_roc_done: Cleanup roc done event |
| * @cleanup_tx_done: Cleanup tx done event |
| * @roc_runtime_lock: Runtime lock for roc request |
| * @p2p_cb: Callbacks to protocol stack |
| * @cur_roc_vdev_id: Vdev id of current roc |
| * @p2p_idr: p2p idr |
| * @param: p2p parameters to be used |
| * @connection_status:Global P2P connection status |
| */ |
| struct p2p_soc_priv_obj { |
| struct wlan_objmgr_psoc *soc; |
| qdf_list_t roc_q; |
| qdf_list_t tx_q_roc; |
| qdf_list_t tx_q_ack; |
| wlan_scan_requester scan_req_id; |
| struct p2p_start_param *start_param; |
| qdf_event_t cancel_roc_done; |
| qdf_event_t cleanup_roc_done; |
| qdf_event_t cleanup_tx_done; |
| qdf_runtime_lock_t roc_runtime_lock; |
| struct p2p_protocol_callbacks p2p_cb; |
| uint32_t cur_roc_vdev_id; |
| qdf_idr p2p_idr; |
| struct p2p_param param; |
| #ifdef WLAN_FEATURE_P2P_DEBUG |
| enum p2p_connection_status connection_status; |
| #endif |
| }; |
| |
| /** |
| * struct action_frame_cookie - Action frame cookie item in cookie list |
| * @cookie_node: qdf_list_node |
| * @cookie: Cookie value |
| */ |
| struct action_frame_cookie { |
| qdf_list_node_t cookie_node; |
| uint64_t cookie; |
| }; |
| |
| /** |
| * struct action_frame_random_mac - Action Frame random mac addr & |
| * related attrs |
| * @p2p_vdev_obj: p2p vdev private obj ptr |
| * @in_use: Checks whether random mac is in use |
| * @addr: Contains random mac addr |
| * @freq: Channel frequency |
| * @clear_timer: timer to clear random mac filter |
| * @cookie_list: List of cookies tied with random mac |
| */ |
| struct action_frame_random_mac { |
| struct p2p_vdev_priv_obj *p2p_vdev_obj; |
| bool in_use; |
| uint8_t addr[QDF_MAC_ADDR_SIZE]; |
| uint32_t freq; |
| qdf_mc_timer_t clear_timer; |
| qdf_list_t cookie_list; |
| }; |
| |
| /** |
| * p2p_request_mgr_callback_t() - callback to process set mac filter result |
| * @result: bool |
| * @context: callback context. |
| * |
| * Return: void |
| */ |
| typedef void (*p2p_request_mgr_callback_t)(bool result, void *context); |
| |
| /** |
| * struct random_mac_priv - request private data struct |
| * @result: result of request. |
| */ |
| struct random_mac_priv { |
| bool result; |
| }; |
| |
| /** |
| * struct p2p_set_mac_filter_req - set mac addr filter cmd data structure |
| * @soc: soc object |
| * @vdev_id: vdev id |
| * @mac: mac address to be set |
| * @freq: frequency |
| * @set: set or clear |
| * @cb: callback func to be called when the request completion |
| * @req_cookie: cookie to be used when request completed |
| */ |
| struct p2p_set_mac_filter_req { |
| struct wlan_objmgr_psoc *soc; |
| uint32_t vdev_id; |
| uint8_t mac[QDF_MAC_ADDR_SIZE]; |
| uint32_t freq; |
| bool set; |
| p2p_request_mgr_callback_t cb; |
| void *req_cookie; |
| }; |
| |
| /** |
| * struct p2p_vdev_priv_obj - Per vdev p2p private object |
| * @vdev: Pointer to vdev context |
| * @noa_info: NoA information |
| * @noa_status: NoA status i.e. Enabled / Disabled (TRUE/FALSE) |
| * @non_p2p_peer_count: Number of legacy stations connected to this GO |
| * @random_mac_lock: lock for random_mac list |
| * @random_mac: active random mac filter lists |
| * @pending_req: pending set mac filter request. |
| */ |
| struct p2p_vdev_priv_obj { |
| struct wlan_objmgr_vdev *vdev; |
| struct p2p_noa_info *noa_info; |
| bool noa_status; |
| uint16_t non_p2p_peer_count; |
| |
| /* random address management for management action frames */ |
| qdf_spinlock_t random_mac_lock; |
| struct action_frame_random_mac random_mac[MAX_RANDOM_MAC_ADDRS]; |
| struct p2p_set_mac_filter_req pending_req; |
| }; |
| |
| /** |
| * struct p2p_noa_attr - p2p noa attribute |
| * @rsvd1: reserved bits 1 |
| * @opps_ps: opps ps state of the AP |
| * @ct_win: ct window in TUs |
| * @index: identifies instance of NOA su element |
| * @rsvd2: reserved bits 2 |
| * @noa1_count: interval count of noa1 |
| * @noa1_duration: absent period duration of noa1 |
| * @noa1_interval: absent period interval of noa1 |
| * @noa1_start_time: 32 bit tsf time of noa1 |
| * @rsvd3: reserved bits 3 |
| * @noa2_count: interval count of noa2 |
| * @noa2_duration: absent period duration of noa2 |
| * @noa2_interval: absent period interval of noa2 |
| * @noa2_start_time: 32 bit tsf time of noa2 |
| */ |
| struct p2p_noa_attr { |
| uint32_t rsvd1:16; |
| uint32_t ct_win:7; |
| uint32_t opps_ps:1; |
| uint32_t index:8; |
| uint32_t rsvd2:24; |
| uint32_t noa1_count:8; |
| uint32_t noa1_duration; |
| uint32_t noa1_interval; |
| uint32_t noa1_start_time; |
| uint32_t rsvd3:24; |
| uint32_t noa2_count:8; |
| uint32_t noa2_duration; |
| uint32_t noa2_interval; |
| uint32_t noa2_start_time; |
| }; |
| |
| /** |
| * p2p_component_init() - P2P component initialization |
| * |
| * This function registers psoc/vdev create/delete handler. |
| * |
| * Return: QDF_STATUS_SUCCESS - in case of success |
| */ |
| QDF_STATUS p2p_component_init(void); |
| |
| /** |
| * p2p_component_deinit() - P2P component de-init |
| * |
| * This function deregisters psoc/vdev create/delete handler. |
| * |
| * Return: QDF_STATUS_SUCCESS - in case of success |
| */ |
| QDF_STATUS p2p_component_deinit(void); |
| |
| /** |
| * p2p_psoc_object_open() - Open P2P component |
| * @soc: soc context |
| * |
| * This function initialize p2p psoc object |
| * |
| * Return: QDF_STATUS_SUCCESS - in case of success |
| */ |
| QDF_STATUS p2p_psoc_object_open(struct wlan_objmgr_psoc *soc); |
| |
| /** |
| * p2p_psoc_object_close() - Close P2P component |
| * @soc: soc context |
| * |
| * This function de-init p2p psoc object. |
| * |
| * Return: QDF_STATUS_SUCCESS - in case of success |
| */ |
| QDF_STATUS p2p_psoc_object_close(struct wlan_objmgr_psoc *soc); |
| |
| /** |
| * p2p_psoc_start() - Start P2P component |
| * @soc: soc context |
| * @req: P2P start parameters |
| * |
| * This function sets up layer call back in p2p psoc object |
| * |
| * Return: QDF_STATUS_SUCCESS - in case of success |
| */ |
| QDF_STATUS p2p_psoc_start(struct wlan_objmgr_psoc *soc, |
| struct p2p_start_param *req); |
| |
| /** |
| * p2p_psoc_stop() - Stop P2P component |
| * @soc: soc context |
| * |
| * This function clears up layer call back in p2p psoc object. |
| * |
| * Return: QDF_STATUS_SUCCESS - in case of success |
| */ |
| QDF_STATUS p2p_psoc_stop(struct wlan_objmgr_psoc *soc); |
| |
| /** |
| * p2p_process_cmd() - Process P2P messages in OS interface queue |
| * @msg: message information |
| * |
| * This function is main handler for P2P messages in OS interface |
| * queue, it gets called by message scheduler. |
| * |
| * Return: QDF_STATUS_SUCCESS - in case of success |
| */ |
| QDF_STATUS p2p_process_cmd(struct scheduler_msg *msg); |
| |
| /** |
| * p2p_process_evt() - Process P2P messages in target interface queue |
| * @msg: message information |
| * |
| * This function is main handler for P2P messages in target interface |
| * queue, it gets called by message scheduler. |
| * |
| * Return: QDF_STATUS_SUCCESS - in case of success |
| */ |
| QDF_STATUS p2p_process_evt(struct scheduler_msg *msg); |
| |
| /** |
| * p2p_msg_flush_callback() - Callback used to flush P2P messages |
| * @msg: message information |
| * |
| * This callback will be called when scheduler flush some of P2P messages. |
| * |
| * Return: QDF_STATUS_SUCCESS - in case of success |
| */ |
| QDF_STATUS p2p_msg_flush_callback(struct scheduler_msg *msg); |
| |
| /** |
| * p2p_event_flush_callback() - Callback used to flush P2P events |
| * @msg: event information |
| * |
| * This callback will be called when scheduler flush some of P2P events. |
| * |
| * Return: QDF_STATUS_SUCCESS - in case of success |
| */ |
| QDF_STATUS p2p_event_flush_callback(struct scheduler_msg *msg); |
| |
| #ifdef FEATURE_P2P_LISTEN_OFFLOAD |
| /** |
| * p2p_process_lo_stop() - Process lo stop event |
| * @lo_stop_event: listen offload stop event information |
| * |
| * This function handles listen offload stop event and deliver this |
| * event to HDD layer by registered callback. |
| * |
| * Return: QDF_STATUS_SUCCESS - in case of success |
| */ |
| QDF_STATUS p2p_process_lo_stop( |
| struct p2p_lo_stop_event *lo_stop_event); |
| #else |
| static inline QDF_STATUS p2p_process_lo_stop( |
| struct p2p_lo_stop_event *lo_stop_event) |
| { |
| return QDF_STATUS_SUCCESS; |
| } |
| #endif |
| /** |
| * p2p_process_noa() - Process noa event |
| * @noa_event: noa event information |
| * |
| * This function handles noa event and save noa information in p2p |
| * vdev object. |
| * |
| * Return: QDF_STATUS_SUCCESS - in case of success |
| */ |
| QDF_STATUS p2p_process_noa(struct p2p_noa_event *noa_event); |
| |
| #ifdef WLAN_FEATURE_P2P_DEBUG |
| /** |
| * p2p_status_scan() - Update P2P connection status |
| * @vdev: vdev context |
| * |
| * This function updates P2P connection status when scanning |
| * |
| * Return: QDF_STATUS_SUCCESS - in case of success |
| */ |
| QDF_STATUS p2p_status_scan(struct wlan_objmgr_vdev *vdev); |
| |
| /** |
| * p2p_status_connect() - Update P2P connection status |
| * @vdev: vdev context |
| * |
| * This function updates P2P connection status when connecting. |
| * |
| * Return: QDF_STATUS_SUCCESS - in case of success |
| */ |
| QDF_STATUS p2p_status_connect(struct wlan_objmgr_vdev *vdev); |
| |
| /** |
| * p2p_status_disconnect() - Update P2P connection status |
| * @vdev: vdev context |
| * |
| * This function updates P2P connection status when disconnecting. |
| * |
| * Return: QDF_STATUS_SUCCESS - in case of success |
| */ |
| QDF_STATUS p2p_status_disconnect(struct wlan_objmgr_vdev *vdev); |
| |
| /** |
| * p2p_status_start_bss() - Update P2P connection status |
| * @vdev: vdev context |
| * |
| * This function updates P2P connection status when starting BSS. |
| * |
| * Return: QDF_STATUS_SUCCESS - in case of success |
| */ |
| QDF_STATUS p2p_status_start_bss(struct wlan_objmgr_vdev *vdev); |
| |
| /** |
| * p2p_status_stop_bss() - Update P2P connection status |
| * @vdev: vdev context |
| * |
| * This function updates P2P connection status when stopping BSS. |
| * |
| * Return: QDF_STATUS_SUCCESS - in case of success |
| */ |
| QDF_STATUS p2p_status_stop_bss(struct wlan_objmgr_vdev *vdev); |
| #else |
| static inline QDF_STATUS p2p_status_scan(struct wlan_objmgr_vdev *vdev) |
| { |
| return QDF_STATUS_SUCCESS; |
| } |
| |
| static inline QDF_STATUS p2p_status_connect(struct wlan_objmgr_vdev *vdev) |
| { |
| return QDF_STATUS_SUCCESS; |
| } |
| |
| static inline QDF_STATUS p2p_status_disconnect(struct wlan_objmgr_vdev *vdev) |
| { |
| return QDF_STATUS_SUCCESS; |
| } |
| |
| static inline QDF_STATUS p2p_status_start_bss(struct wlan_objmgr_vdev *vdev) |
| { |
| return QDF_STATUS_SUCCESS; |
| } |
| |
| static inline QDF_STATUS p2p_status_stop_bss(struct wlan_objmgr_vdev *vdev) |
| { |
| return QDF_STATUS_SUCCESS; |
| } |
| #endif /* WLAN_FEATURE_P2P_DEBUG */ |
| #endif /* _WLAN_P2P_MAIN_H_ */ |