1 /* 2 * Copyright (c) 2017-2021 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_lte.c 22 * This file contains regulatory target LTE interface 23 */ 24 25 #ifdef LTE_COEX 26 27 #include "target_if_reg_lte.h" 28 29 /** 30 * tgt_reg_ch_avoid_event_handler() - Avoid channel list event handler. 31 * @handle: Pointer to scn handler. 32 * @event_buf: Pointer to event buffer. 33 * @len: Buffer length. 34 * 35 * Return: Error code. 36 */ 37 static int tgt_reg_ch_avoid_event_handler(ol_scn_t handle, uint8_t *event_buf, 38 uint32_t len) 39 { 40 struct wlan_objmgr_psoc *psoc; 41 struct wlan_lmac_if_reg_rx_ops *reg_rx_ops; 42 struct ch_avoid_ind_type ch_avoid_event; 43 QDF_STATUS status; 44 struct wmi_unified *wmi_handle; 45 46 TARGET_IF_ENTER(); 47 48 psoc = target_if_get_psoc_from_scn_hdl(handle); 49 if (!psoc) { 50 target_if_err("psoc ptr is NULL"); 51 return -EINVAL; 52 } 53 54 reg_rx_ops = target_if_regulatory_get_rx_ops(psoc); 55 if (!reg_rx_ops) { 56 target_if_err("reg_rx_ops is NULL"); 57 return -EINVAL; 58 } 59 60 if (!reg_rx_ops->reg_ch_avoid_event_handler) { 61 target_if_err("reg_ch_avoid_event_handler is NULL"); 62 return -EINVAL; 63 } 64 65 wmi_handle = get_wmi_unified_hdl_from_psoc(psoc); 66 if (!wmi_handle) { 67 target_if_err("Invalid WMI handle"); 68 return -EINVAL; 69 } 70 71 if (wmi_extract_reg_ch_avoid_event( 72 wmi_handle, event_buf, &ch_avoid_event, len) 73 != QDF_STATUS_SUCCESS) { 74 target_if_err("Extraction of CH avoid event failed"); 75 return -EFAULT; 76 } 77 78 status = reg_rx_ops->reg_ch_avoid_event_handler(psoc, &ch_avoid_event); 79 if (status != QDF_STATUS_SUCCESS) { 80 target_if_err("Failed to process CH avoid event"); 81 return -EFAULT; 82 } 83 84 TARGET_IF_EXIT(); 85 86 return 0; 87 } 88 89 QDF_STATUS tgt_if_regulatory_register_ch_avoid_event_handler( 90 struct wlan_objmgr_psoc *psoc, void *arg) 91 { 92 wmi_unified_t wmi_handle = get_wmi_unified_hdl_from_psoc(psoc); 93 94 if (!wmi_handle) 95 return QDF_STATUS_E_FAILURE; 96 97 return wmi_unified_register_event(wmi_handle, 98 wmi_wlan_freq_avoid_event_id, 99 tgt_reg_ch_avoid_event_handler); 100 } 101 102 QDF_STATUS tgt_if_regulatory_unregister_ch_avoid_event_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_unregister_event(wmi_handle, 111 wmi_wlan_freq_avoid_event_id); 112 } 113 #endif 114