1 /* 2 * Copyright (c) 2017-2020 The Linux Foundation. All rights reserved. 3 * 4 * 5 * Permission to use, copy, modify, and/or distribute this software for 6 * any purpose with or without fee is hereby granted, provided that the 7 * above copyright notice and this permission notice appear in all 8 * copies. 9 * 10 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL 11 * WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED 12 * WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE 13 * AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL 14 * DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR 15 * PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER 16 * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR 17 * PERFORMANCE OF THIS SOFTWARE. 18 */ 19 20 /** 21 * DOC: target_if_reg_11d.c 22 * This file contains regulatory target interface 23 */ 24 25 #include "target_if_reg_11d.h" 26 27 #ifdef HOST_11D_SCAN 28 bool tgt_if_regulatory_is_11d_offloaded(struct wlan_objmgr_psoc *psoc) 29 { 30 wmi_unified_t wmi_handle = get_wmi_unified_hdl_from_psoc(psoc); 31 struct wlan_lmac_if_reg_rx_ops *reg_rx_ops; 32 33 reg_rx_ops = target_if_regulatory_get_rx_ops(psoc); 34 35 if (!wmi_handle) 36 return false; 37 38 if (reg_rx_ops && reg_rx_ops->reg_ignore_fw_reg_offload_ind && 39 reg_rx_ops->reg_ignore_fw_reg_offload_ind(psoc)) { 40 target_if_debug("Ignore fw reg 11d offload indication"); 41 return 0; 42 } 43 44 return wmi_service_enabled(wmi_handle, wmi_service_11d_offload); 45 } 46 47 /** 48 * tgt_reg_11d_new_cc_handler() - 11d country code event handler 49 * @handle: scn handle 50 * @event_buf: event buffer 51 * @len: legth of @event_buf 52 * 53 * Return: 0 on success 54 */ 55 static int tgt_reg_11d_new_cc_handler(ol_scn_t handle, uint8_t *event_buf, 56 uint32_t len) 57 { 58 struct wlan_objmgr_psoc *psoc; 59 struct wlan_lmac_if_reg_rx_ops *reg_rx_ops; 60 struct reg_11d_new_country reg_11d_new_cc; 61 QDF_STATUS status; 62 struct wmi_unified *wmi_handle; 63 64 TARGET_IF_ENTER(); 65 66 psoc = target_if_get_psoc_from_scn_hdl(handle); 67 if (!psoc) { 68 target_if_err("psoc ptr is NULL"); 69 return -EINVAL; 70 } 71 72 reg_rx_ops = target_if_regulatory_get_rx_ops(psoc); 73 74 if (!reg_rx_ops || !reg_rx_ops->reg_11d_new_cc_handler) { 75 target_if_err("reg_11d_new_cc_handler is NULL"); 76 return -EINVAL; 77 } 78 79 wmi_handle = get_wmi_unified_hdl_from_psoc(psoc); 80 if (!wmi_handle) { 81 target_if_err("Invalid WMI handle"); 82 return -EINVAL; 83 } 84 if (wmi_extract_reg_11d_new_cc_event(wmi_handle, event_buf, 85 ®_11d_new_cc, len) 86 != QDF_STATUS_SUCCESS) { 87 target_if_err("Extraction of new country event failed"); 88 return -EFAULT; 89 } 90 91 status = reg_rx_ops->reg_11d_new_cc_handler(psoc, ®_11d_new_cc); 92 if (status != QDF_STATUS_SUCCESS) { 93 target_if_err("Failed to process new country code event"); 94 return -EFAULT; 95 } 96 97 target_if_debug("processed 11d new country code event"); 98 99 return 0; 100 } 101 102 QDF_STATUS tgt_if_regulatory_register_11d_new_cc_handler( 103 struct wlan_objmgr_psoc *psoc, void *arg) 104 { 105 wmi_unified_t wmi_handle = get_wmi_unified_hdl_from_psoc(psoc); 106 107 if (!wmi_handle) 108 return QDF_STATUS_E_FAILURE; 109 110 return wmi_unified_register_event(wmi_handle, 111 wmi_11d_new_country_event_id, 112 tgt_reg_11d_new_cc_handler); 113 } 114 115 QDF_STATUS tgt_if_regulatory_unregister_11d_new_cc_handler( 116 struct wlan_objmgr_psoc *psoc, void *arg) 117 { 118 wmi_unified_t wmi_handle = get_wmi_unified_hdl_from_psoc(psoc); 119 120 if (!wmi_handle) 121 return QDF_STATUS_E_FAILURE; 122 123 return wmi_unified_unregister_event(wmi_handle, 124 wmi_11d_new_country_event_id); 125 } 126 127 QDF_STATUS tgt_if_regulatory_start_11d_scan( 128 struct wlan_objmgr_psoc *psoc, 129 struct reg_start_11d_scan_req *reg_start_11d_scan_req) 130 { 131 wmi_unified_t wmi_handle = get_wmi_unified_hdl_from_psoc(psoc); 132 133 if (!wmi_handle) 134 return QDF_STATUS_E_FAILURE; 135 136 return wmi_unified_send_start_11d_scan_cmd(wmi_handle, 137 reg_start_11d_scan_req); 138 } 139 140 QDF_STATUS tgt_if_regulatory_stop_11d_scan( 141 struct wlan_objmgr_psoc *psoc, 142 struct reg_stop_11d_scan_req *reg_stop_11d_scan_req) 143 { 144 wmi_unified_t wmi_handle = get_wmi_unified_hdl_from_psoc(psoc); 145 146 if (!wmi_handle) 147 return QDF_STATUS_E_FAILURE; 148 149 return wmi_unified_send_stop_11d_scan_cmd(wmi_handle, 150 reg_stop_11d_scan_req); 151 } 152 #endif 153