1 /*
2 * Copyright (c) 2017-2020 The Linux Foundation. All rights reserved.
3 * Copyright (c) 2022 Qualcomm Innovation Center, Inc. All rights reserved.
4 *
5 *
6 * Permission to use, copy, modify, and/or distribute this software for
7 * any purpose with or without fee is hereby granted, provided that the
8 * above copyright notice and this permission notice appear in all
9 * copies.
10 *
11 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL
12 * WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED
13 * WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE
14 * AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL
15 * DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR
16 * PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
17 * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
18 * PERFORMANCE OF THIS SOFTWARE.
19 */
20
21 /**
22 * DOC: target_if_reg_11d.c
23 * This file contains regulatory target interface
24 */
25
26 #include "target_if_reg_11d.h"
27
28 #ifdef TARGET_11D_SCAN
tgt_if_regulatory_is_11d_offloaded(struct wlan_objmgr_psoc * psoc)29 bool tgt_if_regulatory_is_11d_offloaded(struct wlan_objmgr_psoc *psoc)
30 {
31 wmi_unified_t wmi_handle = get_wmi_unified_hdl_from_psoc(psoc);
32 struct wlan_lmac_if_reg_rx_ops *reg_rx_ops;
33
34 reg_rx_ops = target_if_regulatory_get_rx_ops(psoc);
35
36 if (!wmi_handle)
37 return false;
38
39 if (reg_rx_ops && reg_rx_ops->reg_ignore_fw_reg_offload_ind &&
40 reg_rx_ops->reg_ignore_fw_reg_offload_ind(psoc)) {
41 target_if_debug("Ignore fw reg 11d offload indication");
42 return 0;
43 }
44
45 return wmi_service_enabled(wmi_handle, wmi_service_11d_offload);
46 }
47
48 /**
49 * tgt_reg_11d_new_cc_handler() - 11d country code event handler
50 * @handle: scn handle
51 * @event_buf: event buffer
52 * @len: length of @event_buf
53 *
54 * Return: 0 on success
55 */
tgt_reg_11d_new_cc_handler(ol_scn_t handle,uint8_t * event_buf,uint32_t len)56 static int tgt_reg_11d_new_cc_handler(ol_scn_t handle, uint8_t *event_buf,
57 uint32_t len)
58 {
59 struct wlan_objmgr_psoc *psoc;
60 struct wlan_lmac_if_reg_rx_ops *reg_rx_ops;
61 struct reg_11d_new_country reg_11d_new_cc;
62 QDF_STATUS status;
63 struct wmi_unified *wmi_handle;
64
65 TARGET_IF_ENTER();
66
67 psoc = target_if_get_psoc_from_scn_hdl(handle);
68 if (!psoc) {
69 target_if_err("psoc ptr is NULL");
70 return -EINVAL;
71 }
72
73 reg_rx_ops = target_if_regulatory_get_rx_ops(psoc);
74
75 if (!reg_rx_ops || !reg_rx_ops->reg_11d_new_cc_handler) {
76 target_if_err("reg_11d_new_cc_handler is NULL");
77 return -EINVAL;
78 }
79
80 wmi_handle = get_wmi_unified_hdl_from_psoc(psoc);
81 if (!wmi_handle) {
82 target_if_err("Invalid WMI handle");
83 return -EINVAL;
84 }
85 if (wmi_extract_reg_11d_new_cc_event(wmi_handle, event_buf,
86 ®_11d_new_cc, len)
87 != QDF_STATUS_SUCCESS) {
88 target_if_err("Extraction of new country event failed");
89 return -EFAULT;
90 }
91
92 status = reg_rx_ops->reg_11d_new_cc_handler(psoc, ®_11d_new_cc);
93 if (status != QDF_STATUS_SUCCESS) {
94 target_if_err("Failed to process new country code event");
95 return -EFAULT;
96 }
97
98 target_if_debug("processed 11d new country code event");
99
100 return 0;
101 }
102
tgt_if_regulatory_register_11d_new_cc_handler(struct wlan_objmgr_psoc * psoc,void * arg)103 QDF_STATUS tgt_if_regulatory_register_11d_new_cc_handler(
104 struct wlan_objmgr_psoc *psoc, void *arg)
105 {
106 wmi_unified_t wmi_handle = get_wmi_unified_hdl_from_psoc(psoc);
107
108 if (!wmi_handle)
109 return QDF_STATUS_E_FAILURE;
110
111 return wmi_unified_register_event(wmi_handle,
112 wmi_11d_new_country_event_id,
113 tgt_reg_11d_new_cc_handler);
114 }
115
tgt_if_regulatory_unregister_11d_new_cc_handler(struct wlan_objmgr_psoc * psoc,void * arg)116 QDF_STATUS tgt_if_regulatory_unregister_11d_new_cc_handler(
117 struct wlan_objmgr_psoc *psoc, void *arg)
118 {
119 wmi_unified_t wmi_handle = get_wmi_unified_hdl_from_psoc(psoc);
120
121 if (!wmi_handle)
122 return QDF_STATUS_E_FAILURE;
123
124 return wmi_unified_unregister_event(wmi_handle,
125 wmi_11d_new_country_event_id);
126 }
127
tgt_if_regulatory_start_11d_scan(struct wlan_objmgr_psoc * psoc,struct reg_start_11d_scan_req * reg_start_11d_scan_req)128 QDF_STATUS tgt_if_regulatory_start_11d_scan(
129 struct wlan_objmgr_psoc *psoc,
130 struct reg_start_11d_scan_req *reg_start_11d_scan_req)
131 {
132 wmi_unified_t wmi_handle = get_wmi_unified_hdl_from_psoc(psoc);
133
134 if (!wmi_handle)
135 return QDF_STATUS_E_FAILURE;
136
137 return wmi_unified_send_start_11d_scan_cmd(wmi_handle,
138 reg_start_11d_scan_req);
139 }
140
tgt_if_regulatory_stop_11d_scan(struct wlan_objmgr_psoc * psoc,struct reg_stop_11d_scan_req * reg_stop_11d_scan_req)141 QDF_STATUS tgt_if_regulatory_stop_11d_scan(
142 struct wlan_objmgr_psoc *psoc,
143 struct reg_stop_11d_scan_req *reg_stop_11d_scan_req)
144 {
145 wmi_unified_t wmi_handle = get_wmi_unified_hdl_from_psoc(psoc);
146
147 if (!wmi_handle)
148 return QDF_STATUS_E_FAILURE;
149
150 return wmi_unified_send_stop_11d_scan_cmd(wmi_handle,
151 reg_stop_11d_scan_req);
152 }
153 #endif
154