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 #include "target_if_reg_lte.h" 26 27 /** 28 * tgt_reg_ch_avoid_event_handler() - Avoid channel list event handler. 29 * @handle: Pointer to scn handler. 30 * @event_buf: Pointer to event buffer. 31 * @len: Buffer length. 32 * 33 * Return: Error code. 34 */ 35 static int tgt_reg_ch_avoid_event_handler(ol_scn_t handle, uint8_t *event_buf, 36 uint32_t len) 37 { 38 struct wlan_objmgr_psoc *psoc; 39 struct wlan_lmac_if_reg_rx_ops *reg_rx_ops; 40 struct ch_avoid_ind_type ch_avoid_event; 41 QDF_STATUS status; 42 struct wmi_unified *wmi_handle; 43 44 TARGET_IF_ENTER(); 45 46 psoc = target_if_get_psoc_from_scn_hdl(handle); 47 if (!psoc) { 48 target_if_err("psoc ptr is NULL"); 49 return -EINVAL; 50 } 51 52 reg_rx_ops = target_if_regulatory_get_rx_ops(psoc); 53 54 if (!reg_rx_ops->reg_ch_avoid_event_handler) { 55 target_if_err("reg_ch_avoid_event_handler is NULL"); 56 return -EINVAL; 57 } 58 59 wmi_handle = get_wmi_unified_hdl_from_psoc(psoc); 60 if (!wmi_handle) { 61 target_if_err("Invalid WMI handle"); 62 return -EINVAL; 63 } 64 65 if (wmi_extract_reg_ch_avoid_event( 66 wmi_handle, event_buf, &ch_avoid_event, len) 67 != QDF_STATUS_SUCCESS) { 68 target_if_err("Extraction of CH avoid event failed"); 69 return -EFAULT; 70 } 71 72 status = reg_rx_ops->reg_ch_avoid_event_handler(psoc, &ch_avoid_event); 73 if (status != QDF_STATUS_SUCCESS) { 74 target_if_err("Failed to process CH avoid event"); 75 return -EFAULT; 76 } 77 78 target_if_debug("processed CH avoid event"); 79 80 return 0; 81 } 82 83 QDF_STATUS tgt_if_regulatory_register_ch_avoid_event_handler( 84 struct wlan_objmgr_psoc *psoc, void *arg) 85 { 86 wmi_unified_t wmi_handle = get_wmi_unified_hdl_from_psoc(psoc); 87 88 if (!wmi_handle) 89 return QDF_STATUS_E_FAILURE; 90 91 return wmi_unified_register_event(wmi_handle, 92 wmi_wlan_freq_avoid_event_id, 93 tgt_reg_ch_avoid_event_handler); 94 } 95 96 QDF_STATUS tgt_if_regulatory_unregister_ch_avoid_event_handler( 97 struct wlan_objmgr_psoc *psoc, void *arg) 98 { 99 wmi_unified_t wmi_handle = get_wmi_unified_hdl_from_psoc(psoc); 100 101 if (!wmi_handle) 102 return QDF_STATUS_E_FAILURE; 103 104 return wmi_unified_unregister_event(wmi_handle, 105 wmi_wlan_freq_avoid_event_id); 106 } 107