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 */
tgt_reg_ch_avoid_event_handler(ol_scn_t handle,uint8_t * event_buf,uint32_t len)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
tgt_if_regulatory_register_ch_avoid_event_handler(struct wlan_objmgr_psoc * psoc,void * arg)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
tgt_if_regulatory_unregister_ch_avoid_event_handler(struct wlan_objmgr_psoc * psoc,void * arg)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