1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
|
/*
* Copyright (C) 2008 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include <stdlib.h>
#include <fcntl.h>
#include <errno.h>
#include <string.h>
#include <sys/types.h>
#include <sys/socket.h>
#include <arpa/inet.h>
#include <cutils/properties.h>
#define LOG_TAG "TiwlanWifiController"
#include <cutils/log.h>
#include "PropertyManager.h"
#include "TiwlanWifiController.h"
#include "TiwlanEventListener.h"
#define DRIVER_PROP_NAME "wlan.driver.status"
extern "C" int sched_yield(void);
TiwlanWifiController::TiwlanWifiController(PropertyManager *propmngr,
IControllerHandler *handlers,
char *modpath, char *modname,
char *modargs) :
WifiController(propmngr, handlers, modpath, modname,
modargs) {
mEventListener = NULL;
mListenerSock = -1;
}
int TiwlanWifiController::powerUp() {
return 0; // Powerup is currently done when the driver is loaded
}
int TiwlanWifiController::powerDown() {
if (mEventListener) {
delete mEventListener;
shutdown(mListenerSock, SHUT_RDWR);
close(mListenerSock);
mListenerSock = -1;
mEventListener = NULL;
}
return 0; // Powerdown is currently done when the driver is unloaded
}
bool TiwlanWifiController::isPoweredUp() {
return isKernelModuleLoaded(getModuleName());
}
int TiwlanWifiController::loadFirmware() {
char driver_status[PROPERTY_VALUE_MAX];
int count = 100;
property_set("ctl.start", "wlan_loader");
sched_yield();
// Wait for driver to be ready
while (count-- > 0) {
if (property_get(DRIVER_PROP_NAME, driver_status, NULL)) {
if (!strcmp(driver_status, "ok")) {
LOGD("Firmware loaded OK");
if (startDriverEventListener()) {
LOGW("Failed to start driver event listener (%s)",
strerror(errno));
}
return 0;
} else if (!strcmp(DRIVER_PROP_NAME, "failed")) {
LOGE("Firmware load failed");
return -1;
}
}
usleep(200000);
}
property_set(DRIVER_PROP_NAME, "timeout");
LOGE("Firmware load timed out");
return -1;
}
int TiwlanWifiController::startDriverEventListener() {
struct sockaddr_in addr;
if (mListenerSock != -1) {
LOGE("Listener already started!");
errno = EBUSY;
return -1;
}
if ((mListenerSock = socket(PF_INET, SOCK_DGRAM, IPPROTO_UDP)) < 0) {
LOGE("socket failed (%s)", strerror(errno));
return -1;
}
memset(&addr, 0, sizeof(addr));
addr.sin_family = AF_INET;
addr.sin_addr.s_addr = htonl(INADDR_ANY);
addr.sin_port = htons(TI_DRIVER_MSG_PORT);
if (bind(mListenerSock,
(struct sockaddr *) &addr,
sizeof(addr)) < 0) {
LOGE("bind failed (%s)", strerror(errno));
goto out_err;
}
mEventListener = new TiwlanEventListener(mListenerSock);
if (mEventListener->startListener()) {
LOGE("Error starting driver listener (%s)", strerror(errno));
goto out_err;
}
return 0;
out_err:
if (mEventListener) {
delete mEventListener;
mEventListener = NULL;
}
if (mListenerSock != -1) {
shutdown(mListenerSock, SHUT_RDWR);
close(mListenerSock);
mListenerSock = -1;
}
return -1;
}
bool TiwlanWifiController::isFirmwareLoaded() {
// Always load the firmware
return false;
}
|
