1*5113495bSYour Name /*
2*5113495bSYour Name * Copyright (c) 2017, 2020 The Linux Foundation. All rights reserved.
3*5113495bSYour Name *
4*5113495bSYour Name * Permission to use, copy, modify, and/or distribute this software for
5*5113495bSYour Name * any purpose with or without fee is hereby granted, provided that the
6*5113495bSYour Name * above copyright notice and this permission notice appear in all
7*5113495bSYour Name * copies.
8*5113495bSYour Name *
9*5113495bSYour Name * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL
10*5113495bSYour Name * WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED
11*5113495bSYour Name * WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE
12*5113495bSYour Name * AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL
13*5113495bSYour Name * DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR
14*5113495bSYour Name * PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
15*5113495bSYour Name * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
16*5113495bSYour Name * PERFORMANCE OF THIS SOFTWARE.
17*5113495bSYour Name */
18*5113495bSYour Name
19*5113495bSYour Name /**
20*5113495bSYour Name * DOC: wma_fips_api.c
21*5113495bSYour Name *
22*5113495bSYour Name * WLAN Host Device Driver FIPS Certification Feature
23*5113495bSYour Name */
24*5113495bSYour Name
25*5113495bSYour Name #include "wma.h"
26*5113495bSYour Name #include "wma_fips_api.h"
27*5113495bSYour Name #include "wmi_unified_api.h"
28*5113495bSYour Name
29*5113495bSYour Name static wma_fips_cb fips_callback;
30*5113495bSYour Name static void *fips_context;
31*5113495bSYour Name
32*5113495bSYour Name static int
wma_fips_event_handler(void * handle,uint8_t * event,uint32_t len)33*5113495bSYour Name wma_fips_event_handler(void *handle, uint8_t *event, uint32_t len)
34*5113495bSYour Name {
35*5113495bSYour Name tp_wma_handle wma_handle;
36*5113495bSYour Name wmi_unified_t wmi_handle;
37*5113495bSYour Name struct wmi_host_fips_event_param param;
38*5113495bSYour Name wma_fips_cb callback;
39*5113495bSYour Name QDF_STATUS status;
40*5113495bSYour Name
41*5113495bSYour Name wma_handle = handle;
42*5113495bSYour Name if (wma_validate_handle(wma_handle))
43*5113495bSYour Name return QDF_STATUS_E_INVAL;
44*5113495bSYour Name
45*5113495bSYour Name wmi_handle = wma_handle->wmi_handle;
46*5113495bSYour Name if (wmi_validate_handle(wmi_handle))
47*5113495bSYour Name return QDF_STATUS_E_INVAL;
48*5113495bSYour Name
49*5113495bSYour Name status = wmi_extract_fips_event_data(wmi_handle, event, ¶m);
50*5113495bSYour Name
51*5113495bSYour Name wma_info("Received FIPS event, pdev:%u status:%u data_len:%u",
52*5113495bSYour Name param.pdev_id, param.error_status, param.data_len);
53*5113495bSYour Name
54*5113495bSYour Name /* make sure extraction error is propagated to upper layers */
55*5113495bSYour Name if (QDF_IS_STATUS_ERROR(status))
56*5113495bSYour Name param.error_status = FIPS_ERROR_OPER_TIMEOUT;
57*5113495bSYour Name
58*5113495bSYour Name callback = fips_callback;
59*5113495bSYour Name fips_callback = NULL;
60*5113495bSYour Name if (callback)
61*5113495bSYour Name callback(fips_context, ¶m);
62*5113495bSYour Name
63*5113495bSYour Name return 0;
64*5113495bSYour Name }
65*5113495bSYour Name
wma_fips_request(WMA_HANDLE handle,struct fips_params * param,wma_fips_cb callback,void * context)66*5113495bSYour Name QDF_STATUS wma_fips_request(WMA_HANDLE handle,
67*5113495bSYour Name struct fips_params *param,
68*5113495bSYour Name wma_fips_cb callback,
69*5113495bSYour Name void *context)
70*5113495bSYour Name {
71*5113495bSYour Name tp_wma_handle wma_handle = handle;
72*5113495bSYour Name wmi_unified_t wmi_handle;
73*5113495bSYour Name QDF_STATUS status;
74*5113495bSYour Name
75*5113495bSYour Name if (wma_validate_handle(wma_handle))
76*5113495bSYour Name return QDF_STATUS_E_INVAL;
77*5113495bSYour Name
78*5113495bSYour Name wmi_handle = wma_handle->wmi_handle;
79*5113495bSYour Name if (wmi_validate_handle(wmi_handle))
80*5113495bSYour Name return QDF_STATUS_E_INVAL;
81*5113495bSYour Name
82*5113495bSYour Name fips_callback = callback;
83*5113495bSYour Name fips_context = context;
84*5113495bSYour Name status = wmi_unified_pdev_fips_cmd_send(wmi_handle, param);
85*5113495bSYour Name if (QDF_IS_STATUS_ERROR(status)) {
86*5113495bSYour Name wma_err("wmi_unified_pdev_fips_cmd_send() error: %u",
87*5113495bSYour Name status);
88*5113495bSYour Name fips_callback = NULL;
89*5113495bSYour Name }
90*5113495bSYour Name
91*5113495bSYour Name return status;
92*5113495bSYour Name }
93*5113495bSYour Name
wma_fips_register_event_handlers(WMA_HANDLE handle)94*5113495bSYour Name QDF_STATUS wma_fips_register_event_handlers(WMA_HANDLE handle)
95*5113495bSYour Name {
96*5113495bSYour Name tp_wma_handle wma_handle = handle;
97*5113495bSYour Name
98*5113495bSYour Name return wmi_unified_register_event_handler(wma_handle->wmi_handle,
99*5113495bSYour Name wmi_pdev_fips_event_id,
100*5113495bSYour Name wma_fips_event_handler,
101*5113495bSYour Name WMA_RX_WORK_CTX);
102*5113495bSYour Name }
103