xref: /wlan-dirver/qca-wifi-host-cmn/target_if/regulatory/src/target_if_reg_11d.c (revision 1f55ed1a9f5050d8da228aa8dd3fff7c0242aa71)
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_11d.c
22  * This file contains regulatory target interface
23  */
24 
25 #include "target_if_reg_11d.h"
26 
27 #ifdef HOST_11D_SCAN
28 bool tgt_if_regulatory_is_11d_offloaded(struct wlan_objmgr_psoc *psoc)
29 {
30 	wmi_unified_t wmi_handle = get_wmi_unified_hdl_from_psoc(psoc);
31 
32 	if (!wmi_handle)
33 		return false;
34 
35 	return wmi_service_enabled(wmi_handle, wmi_service_11d_offload);
36 }
37 
38 /**
39  * tgt_reg_11d_new_cc_handler() - 11d country code event handler
40  * @handle: scn handle
41  * @event_buf: event buffer
42  * @len: legth of @event_buf
43  *
44  * Return: 0 on success
45  */
46 static int tgt_reg_11d_new_cc_handler(ol_scn_t handle, uint8_t *event_buf,
47 				      uint32_t len)
48 {
49 	struct wlan_objmgr_psoc *psoc;
50 	struct wlan_lmac_if_reg_rx_ops *reg_rx_ops;
51 	struct reg_11d_new_country reg_11d_new_cc;
52 	QDF_STATUS status;
53 	struct wmi_unified *wmi_handle;
54 
55 	TARGET_IF_ENTER();
56 
57 	psoc = target_if_get_psoc_from_scn_hdl(handle);
58 	if (!psoc) {
59 		target_if_err("psoc ptr is NULL");
60 		return -EINVAL;
61 	}
62 
63 	reg_rx_ops = target_if_regulatory_get_rx_ops(psoc);
64 
65 	if (!reg_rx_ops->reg_11d_new_cc_handler) {
66 		target_if_err("reg_11d_new_cc_handler is NULL");
67 		return -EINVAL;
68 	}
69 
70 	wmi_handle = get_wmi_unified_hdl_from_psoc(psoc);
71 	if (!wmi_handle) {
72 		target_if_err("Invalid WMI handle");
73 		return -EINVAL;
74 	}
75 	if (wmi_extract_reg_11d_new_cc_event(wmi_handle, event_buf,
76 					     &reg_11d_new_cc, len)
77 	    != QDF_STATUS_SUCCESS) {
78 		target_if_err("Extraction of new country event failed");
79 		return -EFAULT;
80 	}
81 
82 	status = reg_rx_ops->reg_11d_new_cc_handler(psoc, &reg_11d_new_cc);
83 	if (status != QDF_STATUS_SUCCESS) {
84 		target_if_err("Failed to process new country code event");
85 		return -EFAULT;
86 	}
87 
88 	target_if_debug("processed 11d new country code event");
89 
90 	return 0;
91 }
92 
93 QDF_STATUS tgt_if_regulatory_register_11d_new_cc_handler(
94 	struct wlan_objmgr_psoc *psoc, void *arg)
95 {
96 	wmi_unified_t wmi_handle = get_wmi_unified_hdl_from_psoc(psoc);
97 
98 	if (!wmi_handle)
99 		return QDF_STATUS_E_FAILURE;
100 
101 	return wmi_unified_register_event(wmi_handle,
102 					  wmi_11d_new_country_event_id,
103 					  tgt_reg_11d_new_cc_handler);
104 }
105 
106 QDF_STATUS tgt_if_regulatory_unregister_11d_new_cc_handler(
107 	struct wlan_objmgr_psoc *psoc, void *arg)
108 {
109 	wmi_unified_t wmi_handle = get_wmi_unified_hdl_from_psoc(psoc);
110 
111 	if (!wmi_handle)
112 		return QDF_STATUS_E_FAILURE;
113 
114 	return wmi_unified_unregister_event(wmi_handle,
115 					    wmi_11d_new_country_event_id);
116 }
117 
118 QDF_STATUS tgt_if_regulatory_start_11d_scan(
119 		struct wlan_objmgr_psoc *psoc,
120 		struct reg_start_11d_scan_req *reg_start_11d_scan_req)
121 {
122 	wmi_unified_t wmi_handle = get_wmi_unified_hdl_from_psoc(psoc);
123 
124 	if (!wmi_handle)
125 		return QDF_STATUS_E_FAILURE;
126 
127 	return wmi_unified_send_start_11d_scan_cmd(wmi_handle,
128 						   reg_start_11d_scan_req);
129 }
130 
131 QDF_STATUS tgt_if_regulatory_stop_11d_scan(
132 		   struct wlan_objmgr_psoc *psoc,
133 		   struct reg_stop_11d_scan_req *reg_stop_11d_scan_req)
134 {
135 	wmi_unified_t wmi_handle = get_wmi_unified_hdl_from_psoc(psoc);
136 
137 	if (!wmi_handle)
138 		return QDF_STATUS_E_FAILURE;
139 
140 	return wmi_unified_send_stop_11d_scan_cmd(wmi_handle,
141 						  reg_stop_11d_scan_req);
142 }
143 #endif
144