1 /*
2 * Copyright (c) 2022-2023 Huawei Device Co., Ltd.
3 * Licensed under the Apache License, Version 2.0 (the "License");
4 * you may not use this file except in compliance with the License.
5 * You may obtain a copy of the License at
6 *
7 * http://www.apache.org/licenses/LICENSE-2.0
8 *
9 * Unless required by applicable law or agreed to in writing, software
10 * distributed under the License is distributed on an "AS IS" BASIS,
11 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12 * See the License for the specific language governing permissions and
13 * limitations under the License.
14 */
15
16 #include "wlan_callback_impl.h"
17 #include <securec.h>
18 #include <hdf_base.h>
19 #include <hdf_log.h>
20 #include <osal_mem.h>
21
22 #define WLAN_EID_SSID 0
23 #define MAX_SSID_LEN 32
24
25 struct ElementHeader {
26 uint8_t id;
27 uint8_t datalen;
28 };
29
WlanCallbackResetDriver(struct IWlanCallback * self,uint32_t event,int32_t code,const char * ifName)30 static int32_t WlanCallbackResetDriver(struct IWlanCallback *self, uint32_t event, int32_t code, const char *ifName)
31 {
32 (void)self;
33 HDF_LOGE("WlanCallbackResetDriver: receive resetStatus=%{public}d", code);
34 return HDF_SUCCESS;
35 }
36
PrintSsid(const uint8_t * ie,uint32_t len)37 static void PrintSsid(const uint8_t *ie, uint32_t len)
38 {
39 char ssid[MAX_SSID_LEN] = {0};
40 uint8_t *pos = NULL;
41 struct ElementHeader *hdr = (struct ElementHeader *)ie;
42
43 if (ie == NULL || len < sizeof(struct ElementHeader)) {
44 return;
45 }
46 while ((ie + len) >= ((uint8_t *)hdr + sizeof(*hdr) + hdr->datalen)) {
47 pos = (uint8_t *)hdr + sizeof(*hdr);
48 if (hdr->id == WLAN_EID_SSID) {
49 if (hdr->datalen < MAX_SSID_LEN && memcpy_s(ssid, MAX_SSID_LEN, pos, hdr->datalen) == EOK) {
50 HDF_LOGE("ssid: %{public}s", ssid);
51 }
52 return;
53 }
54 hdr = (struct ElementHeader *)(pos + hdr->datalen);
55 }
56 }
57
WlanCallbackScanResult(struct IWlanCallback * self,uint32_t event,const struct HdfWifiScanResult * scanResult,const char * ifName)58 static int32_t WlanCallbackScanResult(struct IWlanCallback *self, uint32_t event,
59 const struct HdfWifiScanResult *scanResult, const char *ifName)
60 {
61 (void)self;
62 if (scanResult == NULL || ifName == NULL) {
63 HDF_LOGE("%{public}s: input parameter invalid!", __func__);
64 return HDF_ERR_INVALID_PARAM;
65 }
66 HDF_LOGE("HdiProcessScanResult: flags=%{public}d, caps=%{public}d, freq=%{public}d, beaconInt=%{public}d",
67 scanResult->flags, scanResult->caps, scanResult->freq, scanResult->beaconInt);
68 HDF_LOGE("HdiProcessScanResult: qual=%{public}d, beaconIeLen=%{public}d, level=%{public}d", scanResult->qual,
69 scanResult->beaconIeLen, scanResult->level);
70 HDF_LOGE("HdiProcessScanResult: age=%{public}d, ieLen=%{public}d", scanResult->age, scanResult->ieLen);
71 PrintSsid(scanResult->ie, scanResult->ieLen);
72 return HDF_SUCCESS;
73 }
74
WlanCallbackScanResults(struct IWlanCallback * self,uint32_t event,const struct HdfWifiScanResults * scanResults,const char * ifName)75 static int32_t WlanCallbackScanResults(struct IWlanCallback *self, uint32_t event,
76 const struct HdfWifiScanResults *scanResults, const char *ifName)
77 {
78 uint32_t i;
79 (void)self;
80 if (scanResults == NULL || ifName == NULL) {
81 HDF_LOGE("%{public}s: input parameter invalid!", __func__);
82 return HDF_ERR_INVALID_PARAM;
83 }
84 HDF_LOGI("%{public}s: Receive %u scan results!", __func__, scanResults->resLen);
85 for (i = 0; i < scanResults->resLen; i++) {
86 struct HdfWifiScanResultExt *scanResult = &scanResults->res[i];
87 HDF_LOGI("HdiProcessScanResult: flags=%{public}d, caps=%{public}d, freq=%{public}d, beaconInt=%{public}d",
88 scanResult->flags, scanResult->caps, scanResult->freq, scanResult->beaconInt);
89 HDF_LOGI("HdiProcessScanResult: qual=%{public}d, beaconIeLen=%{public}d, level=%{public}d", scanResult->qual,
90 scanResult->beaconIeLen, scanResult->level);
91 HDF_LOGI("HdiProcessScanResult: age=%{public}d, ieLen=%{public}d", scanResult->age, scanResult->ieLen);
92 PrintSsid(scanResult->ie, scanResult->ieLen);
93 }
94 return HDF_SUCCESS;
95 }
96
WlanCallbackNetlinkMessage(struct IWlanCallback * self,const uint8_t * msg,uint32_t msgLen)97 static int32_t WlanCallbackNetlinkMessage(struct IWlanCallback *self, const uint8_t *msg, uint32_t msgLen)
98 {
99 uint32_t i;
100 (void)self;
101 if (msg == NULL) {
102 HDF_LOGE("%{public}s: input parameter invalid!", __func__);
103 return HDF_ERR_INVALID_PARAM;
104 }
105
106 HDF_LOGI("%{public}s: receive message from netlink", __func__);
107 for (i = 0; i < msgLen; i++) {
108 HDF_LOGI("%02x", msg[i]);
109 }
110 return HDF_SUCCESS;
111 }
112
WlanCallbackServiceGet(void)113 struct IWlanCallback *WlanCallbackServiceGet(void)
114 {
115 struct WlanCallbackService *service =
116 (struct WlanCallbackService *)OsalMemCalloc(sizeof(struct WlanCallbackService));
117 if (service == NULL) {
118 HDF_LOGE("%{public}s: malloc WlanCallbackService obj failed!", __func__);
119 return NULL;
120 }
121
122 service->interface.ResetDriverResult = WlanCallbackResetDriver;
123 service->interface.ScanResult = WlanCallbackScanResult;
124 service->interface.WifiNetlinkMessage = WlanCallbackNetlinkMessage;
125 service->interface.ScanResults = WlanCallbackScanResults;
126 return &service->interface;
127 }
128
WlanCallbackServiceRelease(struct IWlanCallback * instance)129 void WlanCallbackServiceRelease(struct IWlanCallback *instance)
130 {
131 struct WlanCallbackService *service = (struct WlanCallbackService *)instance;
132 if (service == NULL) {
133 return;
134 }
135
136 OsalMemFree(service);
137 }
138