1 /* 2 * Copyright (c) 2017-2019 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 56 if (!reg_rx_ops->reg_ch_avoid_event_handler) { 57 target_if_err("reg_ch_avoid_event_handler is NULL"); 58 return -EINVAL; 59 } 60 61 wmi_handle = get_wmi_unified_hdl_from_psoc(psoc); 62 if (!wmi_handle) { 63 target_if_err("Invalid WMI handle"); 64 return -EINVAL; 65 } 66 67 if (wmi_extract_reg_ch_avoid_event( 68 wmi_handle, event_buf, &ch_avoid_event, len) 69 != QDF_STATUS_SUCCESS) { 70 target_if_err("Extraction of CH avoid event failed"); 71 return -EFAULT; 72 } 73 74 status = reg_rx_ops->reg_ch_avoid_event_handler(psoc, &ch_avoid_event); 75 if (status != QDF_STATUS_SUCCESS) { 76 target_if_err("Failed to process CH avoid event"); 77 return -EFAULT; 78 } 79 80 target_if_debug("processed CH avoid event"); 81 82 return 0; 83 } 84 85 QDF_STATUS tgt_if_regulatory_register_ch_avoid_event_handler( 86 struct wlan_objmgr_psoc *psoc, void *arg) 87 { 88 wmi_unified_t wmi_handle = get_wmi_unified_hdl_from_psoc(psoc); 89 90 if (!wmi_handle) 91 return QDF_STATUS_E_FAILURE; 92 93 return wmi_unified_register_event(wmi_handle, 94 wmi_wlan_freq_avoid_event_id, 95 tgt_reg_ch_avoid_event_handler); 96 } 97 98 QDF_STATUS tgt_if_regulatory_unregister_ch_avoid_event_handler( 99 struct wlan_objmgr_psoc *psoc, void *arg) 100 { 101 wmi_unified_t wmi_handle = get_wmi_unified_hdl_from_psoc(psoc); 102 103 if (!wmi_handle) 104 return QDF_STATUS_E_FAILURE; 105 106 return wmi_unified_unregister_event(wmi_handle, 107 wmi_wlan_freq_avoid_event_id); 108 } 109 #endif 110