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7753f181 | 1 | |
f425b4a8 PG |
2 | #include <stdint.h> |
3 | #include <fcntl.h> | |
4 | #include <sys/socket.h> | |
5 | #include <netlink/genl/genl.h> | |
6 | #include <netlink/genl/family.h> | |
7 | #include <netlink/genl/ctrl.h> | |
8 | #include <linux/rtnetlink.h> | |
9 | #include <netpacket/packet.h> | |
10 | #include <linux/filter.h> | |
11 | #include <linux/errqueue.h> | |
12 | ||
13 | #include <linux/pkt_sched.h> | |
7753f181 | 14 | #include <netlink/object-api.h> |
f425b4a8 PG |
15 | #include <netlink/netlink.h> |
16 | #include <netlink/socket.h> | |
7753f181 DD |
17 | #include <netlink/handlers.h> |
18 | ||
19 | #include "wifi_hal.h" | |
20 | #include "common.h" | |
f425b4a8 | 21 | #include "cpp_bindings.h" |
7753f181 DD |
22 | |
23 | interface_info *getIfaceInfo(wifi_interface_handle handle) | |
24 | { | |
25 | return (interface_info *)handle; | |
26 | } | |
27 | ||
28 | wifi_handle getWifiHandle(wifi_interface_handle handle) | |
29 | { | |
30 | return getIfaceInfo(handle)->handle; | |
31 | } | |
32 | ||
33 | hal_info *getHalInfo(wifi_handle handle) | |
34 | { | |
35 | return (hal_info *)handle; | |
36 | } | |
37 | ||
38 | hal_info *getHalInfo(wifi_interface_handle handle) | |
39 | { | |
40 | return getHalInfo(getWifiHandle(handle)); | |
41 | } | |
42 | ||
43 | wifi_handle getWifiHandle(hal_info *info) | |
44 | { | |
45 | return (wifi_handle)info; | |
46 | } | |
47 | ||
48 | wifi_interface_handle getIfaceHandle(interface_info *info) | |
49 | { | |
50 | return (wifi_interface_handle)info; | |
51 | } | |
52 | ||
53 | wifi_error wifi_register_handler(wifi_handle handle, int cmd, nl_recvmsg_msg_cb_t func, void *arg) | |
54 | { | |
55 | hal_info *info = (hal_info *)handle; | |
56 | ||
57 | /* TODO: check for multiple handlers? */ | |
58 | pthread_mutex_lock(&info->cb_lock); | |
59 | ||
60 | wifi_error result = WIFI_ERROR_OUT_OF_MEMORY; | |
61 | ||
62 | if (info->num_event_cb < info->alloc_event_cb) { | |
63 | info->event_cb[info->num_event_cb].nl_cmd = cmd; | |
64 | info->event_cb[info->num_event_cb].vendor_id = 0; | |
65 | info->event_cb[info->num_event_cb].vendor_subcmd = 0; | |
66 | info->event_cb[info->num_event_cb].cb_func = func; | |
67 | info->event_cb[info->num_event_cb].cb_arg = arg; | |
d20effd2 | 68 | /* |
7753f181 | 69 | ALOGI("Successfully added event handler %p:%p for command %d at %d", |
d20effd2 | 70 | arg, func, cmd, info->num_event_cb);*/ |
7753f181 DD |
71 | info->num_event_cb++; |
72 | result = WIFI_SUCCESS; | |
73 | } | |
74 | ||
75 | pthread_mutex_unlock(&info->cb_lock); | |
76 | return result; | |
77 | } | |
78 | ||
79 | wifi_error wifi_register_vendor_handler(wifi_handle handle, | |
80 | uint32_t id, int subcmd, nl_recvmsg_msg_cb_t func, void *arg) | |
81 | { | |
82 | hal_info *info = (hal_info *)handle; | |
83 | ||
84 | //ALOGD("GSCAN register handle wifi_register_vendor_handler %p", handle); | |
85 | /* TODO: check for multiple handlers? */ | |
86 | pthread_mutex_lock(&info->cb_lock); | |
d20effd2 | 87 | //ALOGI("Added event handler %p", info); |
7753f181 DD |
88 | |
89 | wifi_error result = WIFI_ERROR_OUT_OF_MEMORY; | |
90 | ||
d20effd2 | 91 | // ALOGD("register_vendor_handler: handle = %p", handle); |
7753f181 DD |
92 | if (info->num_event_cb < info->alloc_event_cb) { |
93 | info->event_cb[info->num_event_cb].nl_cmd = NL80211_CMD_VENDOR; | |
94 | info->event_cb[info->num_event_cb].vendor_id = id; | |
95 | info->event_cb[info->num_event_cb].vendor_subcmd = subcmd; | |
96 | info->event_cb[info->num_event_cb].cb_func = func; | |
97 | info->event_cb[info->num_event_cb].cb_arg = arg; | |
d20effd2 | 98 | /* |
7753f181 | 99 | ALOGI("Added event handler %p:%p for vendor 0x%0x and subcmd 0x%0x at %d", |
d20effd2 | 100 | arg, func, id, subcmd, info->num_event_cb);*/ |
7753f181 DD |
101 | info->num_event_cb++; |
102 | result = WIFI_SUCCESS; | |
103 | } | |
104 | ||
105 | pthread_mutex_unlock(&info->cb_lock); | |
106 | return result; | |
107 | } | |
108 | ||
109 | void wifi_unregister_handler(wifi_handle handle, int cmd) | |
110 | { | |
111 | hal_info *info = (hal_info *)handle; | |
112 | ||
113 | if (cmd == NL80211_CMD_VENDOR) { | |
114 | ALOGE("Must use wifi_unregister_vendor_handler to remove vendor handlers"); | |
115 | return; | |
116 | } | |
117 | ||
118 | pthread_mutex_lock(&info->cb_lock); | |
119 | ||
120 | for (int i = 0; i < info->num_event_cb; i++) { | |
121 | if (info->event_cb[i].nl_cmd == cmd) { | |
d20effd2 | 122 | /* |
7753f181 | 123 | ALOGI("Successfully removed event handler %p:%p for cmd = 0x%0x from %d", |
d20effd2 | 124 | info->event_cb[i].cb_arg, info->event_cb[i].cb_func, cmd, i);*/ |
7753f181 DD |
125 | |
126 | memmove(&info->event_cb[i], &info->event_cb[i+1], | |
127 | (info->num_event_cb - i - 1) * sizeof(cb_info)); | |
128 | info->num_event_cb--; | |
129 | break; | |
130 | } | |
131 | } | |
132 | ||
133 | pthread_mutex_unlock(&info->cb_lock); | |
134 | } | |
135 | ||
136 | void wifi_unregister_vendor_handler(wifi_handle handle, uint32_t id, int subcmd) | |
137 | { | |
138 | hal_info *info = (hal_info *)handle; | |
139 | ||
140 | pthread_mutex_lock(&info->cb_lock); | |
141 | ||
142 | for (int i = 0; i < info->num_event_cb; i++) { | |
143 | ||
144 | if (info->event_cb[i].nl_cmd == NL80211_CMD_VENDOR | |
145 | && info->event_cb[i].vendor_id == id | |
146 | && info->event_cb[i].vendor_subcmd == subcmd) { | |
d20effd2 | 147 | /* |
7753f181 | 148 | ALOGI("Successfully removed event handler %p:%p for vendor 0x%0x, subcmd 0x%0x from %d", |
d20effd2 | 149 | info->event_cb[i].cb_arg, info->event_cb[i].cb_func, id, subcmd, i);*/ |
7753f181 DD |
150 | memmove(&info->event_cb[i], &info->event_cb[i+1], |
151 | (info->num_event_cb - i - 1) * sizeof(cb_info)); | |
152 | info->num_event_cb--; | |
153 | break; | |
154 | } | |
155 | } | |
156 | ||
157 | pthread_mutex_unlock(&info->cb_lock); | |
158 | } | |
159 | ||
160 | ||
161 | wifi_error wifi_register_cmd(wifi_handle handle, int id, WifiCommand *cmd) | |
162 | { | |
163 | hal_info *info = (hal_info *)handle; | |
164 | ||
d20effd2 | 165 | //ALOGD("registering command %d", id); |
7753f181 DD |
166 | |
167 | wifi_error result = WIFI_ERROR_OUT_OF_MEMORY; | |
168 | ||
169 | if (info->num_cmd < info->alloc_cmd) { | |
170 | info->cmd[info->num_cmd].id = id; | |
171 | info->cmd[info->num_cmd].cmd = cmd; | |
d20effd2 | 172 | //ALOGI("Successfully added command %d: %p at %d", id, cmd, info->num_cmd); |
7753f181 DD |
173 | info->num_cmd++; |
174 | result = WIFI_SUCCESS; | |
175 | } | |
176 | ||
177 | return result; | |
178 | } | |
179 | ||
180 | WifiCommand *wifi_unregister_cmd(wifi_handle handle, int id) | |
181 | { | |
182 | hal_info *info = (hal_info *)handle; | |
183 | ||
d20effd2 | 184 | //ALOGD("un-registering command %d", id); |
7753f181 DD |
185 | |
186 | WifiCommand *cmd = NULL; | |
187 | ||
188 | for (int i = 0; i < info->num_cmd; i++) { | |
189 | if (info->cmd[i].id == id) { | |
190 | cmd = info->cmd[i].cmd; | |
191 | memmove(&info->cmd[i], &info->cmd[i+1], (info->num_cmd - i) * sizeof(cmd_info)); | |
192 | info->num_cmd--; | |
d20effd2 | 193 | //ALOGI("Successfully removed command %d: %p from %d", id, cmd, i); |
7753f181 DD |
194 | break; |
195 | } | |
196 | } | |
197 | ||
198 | return cmd; | |
199 | } | |
200 | ||
201 | WifiCommand *wifi_get_cmd(wifi_handle handle, int id) | |
202 | { | |
203 | hal_info *info = (hal_info *)handle; | |
204 | ||
205 | WifiCommand *cmd = NULL; | |
206 | ||
207 | for (int i = 0; i < info->num_cmd; i++) { | |
208 | if (info->cmd[i].id == id) { | |
209 | cmd = info->cmd[i].cmd; | |
210 | break; | |
211 | } | |
212 | } | |
213 | ||
214 | return cmd; | |
215 | } | |
216 | ||
217 | void wifi_unregister_cmd(wifi_handle handle, WifiCommand *cmd) | |
218 | { | |
219 | hal_info *info = (hal_info *)handle; | |
220 | ||
221 | for (int i = 0; i < info->num_cmd; i++) { | |
222 | if (info->cmd[i].cmd == cmd) { | |
7753f181 DD |
223 | memmove(&info->cmd[i], &info->cmd[i+1], (info->num_cmd - i) * sizeof(cmd_info)); |
224 | info->num_cmd--; | |
d20effd2 | 225 | //ALOGI("Successfully removed command %d: %p from %d", id, cmd, i); |
7753f181 DD |
226 | break; |
227 | } | |
228 | } | |
229 | } | |
f425b4a8 PG |
230 | |
231 | wifi_error wifi_cancel_cmd(wifi_request_id id, wifi_interface_handle iface) | |
232 | { | |
233 | wifi_handle handle = getWifiHandle(iface); | |
234 | ||
235 | WifiCommand *cmd = wifi_unregister_cmd(handle, id); | |
d20effd2 | 236 | //ALOGD("Cancel WifiCommand = %p", cmd); |
f425b4a8 PG |
237 | if (cmd) { |
238 | cmd->cancel(); | |
239 | cmd->releaseRef(); | |
240 | return WIFI_SUCCESS; | |
241 | } | |
242 | ||
243 | return WIFI_ERROR_INVALID_ARGS; | |
244 | } | |
650a9e6a JPS |
245 | |
246 | void wifi_set_nan_cmd(wifi_handle handle, WifiCommand *cmd) | |
247 | { | |
248 | hal_info *info = (hal_info *)handle; | |
249 | info->nanCmd = cmd; | |
250 | } | |
251 | ||
252 | void wifi_reset_nan_cmd(wifi_handle handle) | |
253 | { | |
254 | hal_info *info = (hal_info *)handle; | |
255 | info->nanCmd = NULL; | |
256 | } | |
257 | ||
258 | WifiCommand *wifi_get_nan_cmd(wifi_handle handle) { | |
259 | hal_info *info = (hal_info *)handle; | |
260 | return info->nanCmd; | |
261 | } |