5 #include <sys/socket.h>
6 #include <netlink/genl/genl.h>
7 #include <netlink/genl/family.h>
8 #include <netlink/genl/ctrl.h>
9 #include <linux/rtnetlink.h>
10 #include <netpacket/packet.h>
11 #include <linux/filter.h>
12 #include <linux/errqueue.h>
14 #include <linux/pkt_sched.h>
15 #include <netlink/object-api.h>
16 #include <netlink/netlink.h>
17 #include <netlink/socket.h>
18 #include <netlink/attr.h>
19 #include <netlink/handlers.h>
20 #include <netlink/msg.h>
27 #define LOG_TAG "WifiHAL"
29 #include <utils/Log.h>
32 #include "cpp_bindings.h"
36 #define WIFI_HAL_CMD_SOCK_PORT 644
37 #define WIFI_HAL_EVENT_SOCK_PORT 645
40 #define FEATURE_SET_MATRIX 1
41 #define ATTR_NODFS_VALUE 3
42 #define ATTR_COUNTRY_CODE 4
44 static void internal_event_handler(wifi_handle handle
, int events
);
45 static int internal_no_seq_check(nl_msg
*msg
, void *arg
);
46 static int internal_valid_message_handler(nl_msg
*msg
, void *arg
);
47 static int wifi_get_multicast_id(wifi_handle handle
, const char *name
, const char *group
);
48 static int wifi_add_membership(wifi_handle handle
, const char *group
);
49 static wifi_error
wifi_init_interfaces(wifi_handle handle
);
51 typedef enum wifi_attr
{
52 ANDR_WIFI_ATTRIBUTE_ND_OFFLOAD_CONFIG
,
53 ANDR_WIFI_ATTRIBUTE_PNO_RANDOM_MAC_OUI
56 enum wifi_rssi_monitor_attr
{
57 RSSI_MONITOR_ATTRIBUTE_MAX_RSSI
,
58 RSSI_MONITOR_ATTRIBUTE_MIN_RSSI
,
59 RSSI_MONITOR_ATTRIBUTE_START
,
62 static wifi_error
wifi_start_rssi_monitoring(wifi_request_id id
, wifi_interface_handle
63 iface
, s8 max_rssi
, s8 min_rssi
, wifi_rssi_event_handler eh
);
64 static wifi_error
wifi_stop_rssi_monitoring(wifi_request_id id
, wifi_interface_handle iface
);
65 wifi_error
wifi_get_wake_reason_stats(wifi_interface_handle iface
, WLAN_DRIVER_WAKE_REASON_CNT
*wifi_wake_reason_cnt
);
67 /* Initialize/Cleanup */
69 void wifi_socket_set_local_port(struct nl_sock
*sock
, uint32_t port
)
71 uint32_t pid
= getpid() & 0x3FFFFF;
72 nl_socket_set_local_port(sock
, pid
+ (port
<< 22));
75 static nl_sock
* wifi_create_nl_socket(int port
)
77 struct nl_sock
*sock
= nl_socket_alloc();
79 ALOGE("Could not create handle");
83 wifi_socket_set_local_port(sock
, port
);
85 if (nl_connect(sock
, NETLINK_GENERIC
)) {
86 ALOGE("Could not connect handle");
94 /* Initialize HAL function pointer table */
95 wifi_error
init_wifi_vendor_hal_func_table(wifi_hal_fn
*fn
)
98 return WIFI_ERROR_UNKNOWN
;
100 fn
->wifi_initialize
= wifi_initialize
;
101 fn
->wifi_cleanup
= wifi_cleanup
;
102 fn
->wifi_event_loop
= wifi_event_loop
;
103 fn
->wifi_get_supported_feature_set
= wifi_get_supported_feature_set
;
104 fn
->wifi_get_concurrency_matrix
= wifi_get_concurrency_matrix
;
105 fn
->wifi_set_scanning_mac_oui
= wifi_set_scanning_mac_oui
;
106 fn
->wifi_get_ifaces
= wifi_get_ifaces
;
107 fn
->wifi_get_iface_name
= wifi_get_iface_name
;
108 fn
->wifi_start_gscan
= wifi_start_gscan
;
109 fn
->wifi_stop_gscan
= wifi_stop_gscan
;
110 fn
->wifi_get_cached_gscan_results
= wifi_get_cached_gscan_results
;
111 fn
->wifi_set_bssid_hotlist
= wifi_set_bssid_hotlist
;
112 fn
->wifi_reset_bssid_hotlist
= wifi_reset_bssid_hotlist
;
113 fn
->wifi_set_significant_change_handler
= wifi_set_significant_change_handler
;
114 fn
->wifi_reset_significant_change_handler
= wifi_reset_significant_change_handler
;
115 fn
->wifi_get_gscan_capabilities
= wifi_get_gscan_capabilities
;
116 fn
->wifi_get_valid_channels
= wifi_get_valid_channels
;
117 fn
->wifi_rtt_range_request
= wifi_rtt_range_request
;
118 fn
->wifi_rtt_range_cancel
= wifi_rtt_range_cancel
;
119 fn
->wifi_get_rtt_capabilities
= wifi_get_rtt_capabilities
;
120 fn
->wifi_set_nodfs_flag
= wifi_set_nodfs_flag
;
121 fn
->wifi_start_sending_offloaded_packet
= wifi_start_sending_offloaded_packet
;
122 fn
->wifi_stop_sending_offloaded_packet
= wifi_stop_sending_offloaded_packet
;
123 fn
->wifi_set_epno_list
= wifi_set_epno_list
;
124 fn
->wifi_reset_epno_list
= wifi_reset_epno_list
;
125 fn
->wifi_set_passpoint_list
= wifi_set_passpoint_list
;
126 fn
->wifi_reset_passpoint_list
= wifi_reset_passpoint_list
;
127 fn
->wifi_start_rssi_monitoring
= wifi_start_rssi_monitoring
;
128 fn
->wifi_stop_rssi_monitoring
= wifi_stop_rssi_monitoring
;
129 fn
->wifi_set_link_stats
= wifi_set_link_stats
;
130 fn
->wifi_get_link_stats
= wifi_get_link_stats
;
131 fn
->wifi_clear_link_stats
= wifi_clear_link_stats
;
132 fn
->wifi_set_country_code
= wifi_set_country_code
;
133 fn
->wifi_configure_roaming
= wifi_configure_roaming
;
134 fn
->wifi_configure_nd_offload
= wifi_configure_nd_offload
;
135 fn
->wifi_get_packet_filter_capabilities
= wifi_get_packet_filter_capabilities
;
136 fn
->wifi_start_pkt_fate_monitoring
= wifi_start_pkt_fate_monitoring
;
137 fn
->wifi_get_tx_pkt_fates
= wifi_get_tx_pkt_fates
;
138 fn
->wifi_get_rx_pkt_fates
= wifi_get_rx_pkt_fates
;
139 fn
->wifi_start_logging
= wifi_start_logging
;
140 fn
->wifi_set_log_handler
= wifi_set_log_handler
;
141 fn
->wifi_set_alert_handler
= wifi_set_alert_handler
;
142 fn
->wifi_get_ring_buffers_status
= wifi_get_ring_buffers_status
;
143 fn
->wifi_get_logger_supported_feature_set
= wifi_get_logger_supported_feature_set
;
144 fn
->wifi_get_ring_data
= wifi_get_ring_data
;
145 fn
->wifi_get_driver_version
= wifi_get_driver_version
;
146 fn
->wifi_get_firmware_version
= wifi_get_firmware_version
;
147 fn
->wifi_get_firmware_memory_dump
= wifi_get_firmware_memory_dump
;
148 fn
->wifi_get_driver_memory_dump
= wifi_get_driver_memory_dump
;
149 fn
->wifi_get_wake_reason_stats
= wifi_get_wake_reason_stats
;
154 wifi_error
wifi_initialize(wifi_handle
*handle
)
158 ALOGI("Initializing wifi");
159 hal_info
*info
= (hal_info
*)malloc(sizeof(hal_info
));
161 ALOGE("Could not allocate hal_info");
162 return WIFI_ERROR_UNKNOWN
;
165 memset(info
, 0, sizeof(*info
));
167 if (socketpair(AF_UNIX
, SOCK_STREAM
, 0, info
->cleanup_socks
) == -1) {
168 ALOGE("Could not create cleanup sockets");
170 return WIFI_ERROR_UNKNOWN
;
173 struct nl_sock
*cmd_sock
= wifi_create_nl_socket(WIFI_HAL_CMD_SOCK_PORT
);
174 if (cmd_sock
== NULL
) {
175 ALOGE("Could not create handle");
177 return WIFI_ERROR_UNKNOWN
;
180 struct nl_sock
*event_sock
= wifi_create_nl_socket(WIFI_HAL_EVENT_SOCK_PORT
);
181 if (event_sock
== NULL
) {
182 ALOGE("Could not create handle");
183 nl_socket_free(cmd_sock
);
185 return WIFI_ERROR_UNKNOWN
;
188 struct nl_cb
*cb
= nl_socket_get_cb(event_sock
);
190 ALOGE("Could not create handle");
191 nl_socket_free(cmd_sock
);
192 nl_socket_free(event_sock
);
194 return WIFI_ERROR_UNKNOWN
;
197 // ALOGI("cb->refcnt = %d", cb->cb_refcnt);
198 nl_cb_set(cb
, NL_CB_SEQ_CHECK
, NL_CB_CUSTOM
, internal_no_seq_check
, info
);
199 nl_cb_set(cb
, NL_CB_VALID
, NL_CB_CUSTOM
, internal_valid_message_handler
, info
);
202 info
->cmd_sock
= cmd_sock
;
203 info
->event_sock
= event_sock
;
204 info
->clean_up
= false;
205 info
->in_event_loop
= false;
207 info
->event_cb
= (cb_info
*)malloc(sizeof(cb_info
) * DEFAULT_EVENT_CB_SIZE
);
208 info
->alloc_event_cb
= DEFAULT_EVENT_CB_SIZE
;
209 info
->num_event_cb
= 0;
211 info
->cmd
= (cmd_info
*)malloc(sizeof(cmd_info
) * DEFAULT_CMD_SIZE
);
212 info
->alloc_cmd
= DEFAULT_CMD_SIZE
;
215 info
->nl80211_family_id
= genl_ctrl_resolve(cmd_sock
, "nl80211");
216 if (info
->nl80211_family_id
< 0) {
217 ALOGE("Could not resolve nl80211 familty id");
218 nl_socket_free(cmd_sock
);
219 nl_socket_free(event_sock
);
221 return WIFI_ERROR_UNKNOWN
;
224 pthread_mutex_init(&info
->cb_lock
, NULL
);
226 *handle
= (wifi_handle
) info
;
228 wifi_add_membership(*handle
, "scan");
229 wifi_add_membership(*handle
, "mlme");
230 wifi_add_membership(*handle
, "regulatory");
231 wifi_add_membership(*handle
, "vendor");
233 wifi_init_interfaces(*handle
);
234 char intf_name_buff
[10 * 10 + 4]; /* Randomly choosen max interface 10. each interface name max 9 + 1(for space) */
235 char *pos
= intf_name_buff
;
236 for (int i
= 0; i
< (info
->num_interfaces
< 10 ? info
->num_interfaces
: 10); i
++) {
237 strncpy(pos
, info
->interfaces
[i
]->name
, sizeof(intf_name_buff
) - (pos
- intf_name_buff
));
240 if (info
->num_interfaces
> 10) {
241 strncpy(pos
, "...", 3);
244 ALOGD("Found %d interfaces[%s]. Initialized Wifi HAL Successfully", info
->num_interfaces
, intf_name_buff
);
249 static int wifi_add_membership(wifi_handle handle
, const char *group
)
251 hal_info
*info
= getHalInfo(handle
);
253 int id
= wifi_get_multicast_id(handle
, "nl80211", group
);
255 ALOGE("Could not find group %s", group
);
259 int ret
= nl_socket_add_membership(info
->event_sock
, id
);
261 ALOGE("Could not add membership to group %s", group
);
266 static void internal_cleaned_up_handler(wifi_handle handle
)
268 hal_info
*info
= getHalInfo(handle
);
269 wifi_cleaned_up_handler cleaned_up_handler
= info
->cleaned_up_handler
;
271 if (info
->cmd_sock
!= 0) {
272 close(info
->cleanup_socks
[0]);
273 close(info
->cleanup_socks
[1]);
274 nl_socket_free(info
->cmd_sock
);
275 nl_socket_free(info
->event_sock
);
276 info
->cmd_sock
= NULL
;
277 info
->event_sock
= NULL
;
280 (*cleaned_up_handler
)(handle
);
281 pthread_mutex_destroy(&info
->cb_lock
);
285 void wifi_cleanup(wifi_handle handle
, wifi_cleaned_up_handler handler
)
287 hal_info
*info
= getHalInfo(handle
);
290 info
->cleaned_up_handler
= handler
;
291 if (write(info
->cleanup_socks
[0], "Exit", 4) < 1) {
292 ALOGE("could not write to the cleanup socket");
294 // Listen to the response
295 // Hopefully we dont get errors or get hung up
296 // Not much can be done in that case, but assume that
297 // it has rx'ed the Exit message to exit the thread.
298 // As a fallback set the cleanup flag to TRUE
299 memset(buf
, 0, sizeof(buf
));
300 int result
= read(info
->cleanup_socks
[0], buf
, sizeof(buf
));
301 ALOGE("%s: Read after POLL returned %d, error no = %d", __FUNCTION__
, result
, errno
);
302 if (strncmp(buf
, "Done", 4) != 0) {
303 ALOGD("Rx'ed %s", buf
);
306 info
->clean_up
= true;
307 pthread_mutex_lock(&info
->cb_lock
);
309 int bad_commands
= 0;
311 while (info
->num_cmd
> bad_commands
) {
312 int num_cmd
= info
->num_cmd
;
313 cmd_info
*cmdi
= &(info
->cmd
[bad_commands
]);
314 WifiCommand
*cmd
= cmdi
->cmd
;
316 pthread_mutex_unlock(&info
->cb_lock
);
318 pthread_mutex_lock(&info
->cb_lock
);
319 /* release reference added when command is saved */
321 if (num_cmd
== info
->num_cmd
) {
327 for (int i
= 0; i
< info
->num_event_cb
; i
++) {
328 cb_info
*cbi
= &(info
->event_cb
[i
]);
329 WifiCommand
*cmd
= (WifiCommand
*)cbi
->cb_arg
;
330 ALOGE("Leaked command %p", cmd
);
332 pthread_mutex_unlock(&info
->cb_lock
);
333 internal_cleaned_up_handler(handle
);
336 static int internal_pollin_handler(wifi_handle handle
)
338 hal_info
*info
= getHalInfo(handle
);
339 struct nl_cb
*cb
= nl_socket_get_cb(info
->event_sock
);
340 int res
= nl_recvmsgs(info
->event_sock
, cb
);
345 /* Run event handler */
346 void wifi_event_loop(wifi_handle handle
)
348 hal_info
*info
= getHalInfo(handle
);
349 if (info
->in_event_loop
) {
352 info
->in_event_loop
= true;
356 memset(&pfd
[0], 0, sizeof(pollfd
) * 2);
358 pfd
[0].fd
= nl_socket_get_fd(info
->event_sock
);
359 pfd
[0].events
= POLLIN
;
360 pfd
[1].fd
= info
->cleanup_socks
[1];
361 pfd
[1].events
= POLLIN
;
366 int timeout
= -1; /* Infinite timeout */
369 int result
= poll(pfd
, 2, timeout
);
371 } else if (pfd
[0].revents
& POLLERR
) {
372 int prev_err
= (int)errno
;
373 int result2
= read(pfd
[0].fd
, buf
, sizeof(buf
));
374 ALOGE("Poll err:%d | Read after POLL returned %d, error no = %d", prev_err
, result2
, errno
);
375 } else if (pfd
[0].revents
& POLLHUP
) {
376 ALOGE("Remote side hung up");
378 } else if (pfd
[0].revents
& POLLIN
) {
379 internal_pollin_handler(handle
);
380 } else if (pfd
[1].revents
& POLLIN
) {
381 memset(buf
, 0, sizeof(buf
));
382 int result2
= read(pfd
[1].fd
, buf
, sizeof(buf
));
383 ALOGE("%s: Read after POLL returned %d, error no = %d", __FUNCTION__
, result2
, errno
);
384 if (strncmp(buf
, "Exit", 4) == 0) {
385 ALOGD("Got a signal to exit!!!");
386 if (write(pfd
[1].fd
, "Done", 4) < 1) {
387 ALOGE("could not write to the cleanup socket");
391 ALOGD("Rx'ed %s on the cleanup socket\n", buf
);
394 ALOGE("Unknown event - %0x, %0x", pfd
[0].revents
, pfd
[1].revents
);
396 } while (!info
->clean_up
);
399 ///////////////////////////////////////////////////////////////////////////////////////
401 static int internal_no_seq_check(struct nl_msg
*msg
, void *arg
)
406 static int internal_valid_message_handler(nl_msg
*msg
, void *arg
)
408 wifi_handle handle
= (wifi_handle
)arg
;
409 hal_info
*info
= getHalInfo(handle
);
411 WifiEvent
event(msg
);
412 int res
= event
.parse();
414 ALOGE("Failed to parse event: %d", res
);
418 int cmd
= event
.get_cmd();
419 uint32_t vendor_id
= 0;
422 if (cmd
== NL80211_CMD_VENDOR
) {
423 vendor_id
= event
.get_u32(NL80211_ATTR_VENDOR_ID
);
424 subcmd
= event
.get_u32(NL80211_ATTR_VENDOR_SUBCMD
);
426 ALOGI("event received %s, vendor_id = 0x%0x, subcmd = 0x%0x",
427 event.get_cmdString(), vendor_id, subcmd);*/
430 //ALOGI("event received %s, vendor_id = 0x%0x", event.get_cmdString(), vendor_id);
433 pthread_mutex_lock(&info
->cb_lock
);
435 for (int i
= 0; i
< info
->num_event_cb
; i
++) {
436 if (cmd
== info
->event_cb
[i
].nl_cmd
) {
437 if (cmd
== NL80211_CMD_VENDOR
438 && ((vendor_id
!= info
->event_cb
[i
].vendor_id
)
439 || (subcmd
!= info
->event_cb
[i
].vendor_subcmd
)))
441 /* event for a different vendor, ignore it */
445 cb_info
*cbi
= &(info
->event_cb
[i
]);
446 nl_recvmsg_msg_cb_t cb_func
= cbi
->cb_func
;
447 void *cb_arg
= cbi
->cb_arg
;
448 WifiCommand
*cmd
= (WifiCommand
*)cbi
->cb_arg
;
453 pthread_mutex_unlock(&info
->cb_lock
);
455 (*cb_func
)(msg
, cb_arg
);
464 pthread_mutex_unlock(&info
->cb_lock
);
468 ///////////////////////////////////////////////////////////////////////////////////////
470 class GetMulticastIdCommand
: public WifiCommand
477 GetMulticastIdCommand(wifi_handle handle
, const char *name
, const char *group
)
478 : WifiCommand(handle
, 0)
489 virtual int create() {
490 int nlctrlFamily
= genl_ctrl_resolve(mInfo
->cmd_sock
, "nlctrl");
491 int ret
= mMsg
.create(nlctrlFamily
, CTRL_CMD_GETFAMILY
, 0, 0);
495 ret
= mMsg
.put_string(CTRL_ATTR_FAMILY_NAME
, mName
);
499 virtual int handleResponse(WifiEvent
& reply
) {
500 struct nlattr
**tb
= reply
.attributes();
501 struct nlattr
*mcgrp
= NULL
;
504 if (!tb
[CTRL_ATTR_MCAST_GROUPS
]) {
505 ALOGE("No multicast groups found");
509 for_each_attr(mcgrp
, tb
[CTRL_ATTR_MCAST_GROUPS
], i
) {
511 struct nlattr
*tb2
[CTRL_ATTR_MCAST_GRP_MAX
+ 1];
512 nla_parse(tb2
, CTRL_ATTR_MCAST_GRP_MAX
, (nlattr
*)nla_data(mcgrp
),
513 nla_len(mcgrp
), NULL
);
514 if (!tb2
[CTRL_ATTR_MCAST_GRP_NAME
] || !tb2
[CTRL_ATTR_MCAST_GRP_ID
]) {
518 char *grpName
= (char *)nla_data(tb2
[CTRL_ATTR_MCAST_GRP_NAME
]);
519 int grpNameLen
= nla_len(tb2
[CTRL_ATTR_MCAST_GRP_NAME
]);
521 if (strncmp(grpName
, mGroup
, grpNameLen
) != 0)
524 mId
= nla_get_u32(tb2
[CTRL_ATTR_MCAST_GRP_ID
]);
533 class SetPnoMacAddrOuiCommand
: public WifiCommand
{
538 feature_set
*feature_matrix
;
542 SetPnoMacAddrOuiCommand(wifi_interface_handle handle
, oui scan_oui
)
543 : WifiCommand(handle
, 0)
547 feature_matrix
= NULL
;
552 int createRequest(WifiRequest
& request
, int subcmd
, byte
*scan_oui
) {
553 int result
= request
.create(GOOGLE_OUI
, subcmd
);
558 nlattr
*data
= request
.attr_start(NL80211_ATTR_VENDOR_DATA
);
559 result
= request
.put(ANDR_WIFI_ATTRIBUTE_PNO_RANDOM_MAC_OUI
, scan_oui
, DOT11_OUI_LEN
);
564 request
.attr_end(data
);
570 WifiRequest
request(familyId(), ifaceId());
571 int result
= createRequest(request
, SLSI_NL80211_VENDOR_SUBCMD_SET_GSCAN_OUI
, mOui
);
572 if (result
!= WIFI_SUCCESS
) {
573 ALOGE("failed to create request; result = %d", result
);
577 result
= requestResponse(request
);
578 if (result
!= WIFI_SUCCESS
) {
579 ALOGE("failed to set scanning mac OUI; result = %d", result
);
585 virtual int handleResponse(WifiEvent
& reply
) {
586 /* Nothing to do on response! */
591 class SetNodfsCommand
: public WifiCommand
{
596 SetNodfsCommand(wifi_interface_handle handle
, u32 nodfs
)
597 : WifiCommand(handle
, 0) {
600 virtual int create() {
603 ret
= mMsg
.create(GOOGLE_OUI
, SLSI_NL80211_VENDOR_SUBCMD_SET_NODFS
);
605 ALOGE("Can't create message to send to driver - %d", ret
);
609 nlattr
*data
= mMsg
.attr_start(NL80211_ATTR_VENDOR_DATA
);
610 ret
= mMsg
.put_u32(ATTR_NODFS_VALUE
, mNoDfs
);
620 class SetRSSIMonitorCommand
: public WifiCommand
{
624 wifi_rssi_event_handler mHandler
;
626 SetRSSIMonitorCommand(wifi_request_id id
, wifi_interface_handle handle
,
627 s8 max_rssi
, s8 min_rssi
, wifi_rssi_event_handler eh
)
628 : WifiCommand(handle
, id
), mMax_rssi(max_rssi
), mMin_rssi
629 (min_rssi
), mHandler(eh
)
632 int createRequest(WifiRequest
& request
, int enable
) {
633 int result
= request
.create(GOOGLE_OUI
, SLSI_NL80211_VENDOR_SUBCMD_SET_RSSI_MONITOR
);
638 nlattr
*data
= request
.attr_start(NL80211_ATTR_VENDOR_DATA
);
639 result
= request
.put_u8(RSSI_MONITOR_ATTRIBUTE_MAX_RSSI
, (enable
? mMax_rssi
: 0));
644 result
= request
.put_u8(RSSI_MONITOR_ATTRIBUTE_MIN_RSSI
, (enable
? mMin_rssi
: 0));
648 result
= request
.put_u8(RSSI_MONITOR_ATTRIBUTE_START
, enable
);
652 request
.attr_end(data
);
657 WifiRequest
request(familyId(), ifaceId());
658 int result
= createRequest(request
, 1);
662 result
= requestResponse(request
);
664 ALOGI("Failed to set RSSI Monitor, result = %d", result
);
667 ALOGI("Successfully set RSSI monitoring");
668 registerVendorHandler(GOOGLE_OUI
, WIFI_RSSI_REPORT_EVENT
);
673 virtual int cancel() {
675 WifiRequest
request(familyId(), ifaceId());
676 int result
= createRequest(request
, 0);
677 if (result
!= WIFI_SUCCESS
) {
678 ALOGE("failed to create request; result = %d", result
);
680 result
= requestResponse(request
);
681 if (result
!= WIFI_SUCCESS
) {
682 ALOGE("failed to stop RSSI monitoring = %d", result
);
685 unregisterVendorHandler(GOOGLE_OUI
, WIFI_RSSI_REPORT_EVENT
);
689 virtual int handleResponse(WifiEvent
& reply
) {
690 /* Nothing to do on response! */
694 virtual int handleEvent(WifiEvent
& event
) {
696 nlattr
*vendor_data
= event
.get_attribute(NL80211_ATTR_VENDOR_DATA
);
697 int len
= event
.get_vendor_data_len();
699 if (vendor_data
== NULL
|| len
== 0) {
700 ALOGI("RSSI monitor: No data");
709 rssi_monitor_evt
*data
= (rssi_monitor_evt
*)event
.get_vendor_data();
711 if (*mHandler
.on_rssi_threshold_breached
) {
712 (*mHandler
.on_rssi_threshold_breached
)(id(), data
->BSSID
, data
->cur_rssi
);
714 ALOGW("No RSSI monitor handler registered");
722 class SetCountryCodeCommand
: public WifiCommand
{
724 const char *mCountryCode
;
726 SetCountryCodeCommand(wifi_interface_handle handle
, const char *country_code
)
727 : WifiCommand(handle
, 0) {
728 mCountryCode
= country_code
;
730 virtual int create() {
733 ret
= mMsg
.create(GOOGLE_OUI
, SLSI_NL80211_VENDOR_SUBCMD_SET_COUNTRY_CODE
);
735 ALOGE("Can't create message to send to driver - %d", ret
);
739 nlattr
*data
= mMsg
.attr_start(NL80211_ATTR_VENDOR_DATA
);
740 ret
= mMsg
.put_string(ATTR_COUNTRY_CODE
, mCountryCode
);
751 class GetFeatureSetCommand
: public WifiCommand
{
758 GetFeatureSetCommand(wifi_interface_handle handle
, feature_set
*set
)
759 : WifiCommand(handle
, 0)
764 virtual int create() {
767 ret
= mMsg
.create(GOOGLE_OUI
, SLSI_NL80211_VENDOR_SUBCMD_GET_FEATURE_SET
);
769 ALOGE("create failed - %d", ret
);
776 virtual int handleResponse(WifiEvent
& reply
) {
778 int id
= reply
.get_vendor_id();
779 int subcmd
= reply
.get_vendor_subcmd();
781 if (reply
.get_cmd() != NL80211_CMD_VENDOR
) {
782 ALOGD("Ignore reply; cmd = %d", reply
.get_cmd());
786 nlattr
*vendor_data
= reply
.get_attribute(NL80211_ATTR_VENDOR_DATA
);
787 int len
= reply
.get_vendor_data_len();
789 if (vendor_data
== NULL
|| len
== 0) {
790 ALOGE("vendor data in GetFeatureSetCommand missing!!");
794 void *data
= reply
.get_vendor_data();
796 ALOGE("feature_set Pointer not set");
799 memcpy(fset
, data
, min(len
, (int) sizeof(*fset
)));
805 class SetNdoffloadCommand
: public WifiCommand
{
810 SetNdoffloadCommand(wifi_interface_handle handle
, u8 enable
)
811 : WifiCommand(handle
, 0) {
814 virtual int create() {
817 ret
= mMsg
.create(GOOGLE_OUI
, SLSI_NL80211_VENDOR_SUBCMD_CONFIGURE_ND_OFFLOAD
);
819 ALOGE("Can't create message to send to driver - %d", ret
);
820 return WIFI_ERROR_NOT_AVAILABLE
;
823 nlattr
*data
= mMsg
.attr_start(NL80211_ATTR_VENDOR_DATA
);
824 ret
= mMsg
.put_u8(ANDR_WIFI_ATTRIBUTE_ND_OFFLOAD_CONFIG
, mEnable
);
828 ALOGD("Driver message has been created successfully--> %d", mEnable
);
834 static int wifi_get_multicast_id(wifi_handle handle
, const char *name
, const char *group
)
836 GetMulticastIdCommand
cmd(handle
, name
, group
);
837 int res
= cmd
.requestResponse();
844 /////////////////////////////////////////////////////////////////////////
846 static bool is_wifi_interface(const char *name
)
848 if (strncmp(name
, "wlan", 4) != 0 && strncmp(name
, "p2p", 3) != 0) {
849 /* not a wifi interface; ignore it */
856 static int get_interface(const char *name
, interface_info
*info
)
858 strcpy(info
->name
, name
);
859 info
->id
= if_nametoindex(name
);
863 wifi_error
wifi_init_interfaces(wifi_handle handle
)
865 hal_info
*info
= (hal_info
*)handle
;
868 DIR *d
= opendir("/sys/class/net");
870 return WIFI_ERROR_UNKNOWN
;
873 while ((de
= readdir(d
))) {
874 if (de
->d_name
[0] == '.')
876 if (is_wifi_interface(de
->d_name
) ) {
883 d
= opendir("/sys/class/net");
885 return WIFI_ERROR_UNKNOWN
;
887 info
->interfaces
= (interface_info
**)malloc(sizeof(interface_info
*) * n
);
890 while ((de
= readdir(d
))) {
891 if (de
->d_name
[0] == '.')
893 if (is_wifi_interface(de
->d_name
)) {
894 interface_info
*ifinfo
= (interface_info
*)malloc(sizeof(interface_info
));
895 if (get_interface(de
->d_name
, ifinfo
) != WIFI_SUCCESS
) {
899 ifinfo
->handle
= handle
;
900 info
->interfaces
[i
] = ifinfo
;
907 info
->num_interfaces
= n
;
911 wifi_error
wifi_get_ifaces(wifi_handle handle
, int *num
, wifi_interface_handle
**interfaces
)
913 hal_info
*info
= (hal_info
*)handle
;
915 *interfaces
= (wifi_interface_handle
*)info
->interfaces
;
916 *num
= info
->num_interfaces
;
921 wifi_error
wifi_get_iface_name(wifi_interface_handle handle
, char *name
, size_t size
)
923 interface_info
*info
= (interface_info
*)handle
;
924 strcpy(name
, info
->name
);
928 wifi_error
wifi_get_concurrency_matrix(wifi_interface_handle handle
, int set_size_max
,
929 feature_set set
[], int *set_size
)
931 return WIFI_ERROR_NOT_SUPPORTED
;
934 wifi_error
wifi_set_scanning_mac_oui(wifi_interface_handle handle
, oui scan_oui
)
936 SetPnoMacAddrOuiCommand
command(handle
, scan_oui
);
937 return (wifi_error
)command
.start();
941 wifi_error
wifi_set_nodfs_flag(wifi_interface_handle handle
, u32 nodfs
)
943 SetNodfsCommand
command(handle
, nodfs
);
944 return (wifi_error
) command
.requestResponse();
947 static wifi_error
wifi_start_rssi_monitoring(wifi_request_id id
, wifi_interface_handle
948 iface
, s8 max_rssi
, s8 min_rssi
, wifi_rssi_event_handler eh
)
950 ALOGD("Start RSSI monitor %d", id
);
951 wifi_handle handle
= getWifiHandle(iface
);
952 SetRSSIMonitorCommand
*cmd
= new SetRSSIMonitorCommand(id
, iface
, max_rssi
, min_rssi
, eh
);
953 wifi_register_cmd(handle
, id
, cmd
);
955 wifi_error result
= (wifi_error
)cmd
->start();
956 if (result
!= WIFI_SUCCESS
) {
957 wifi_unregister_cmd(handle
, id
);
963 static wifi_error
wifi_stop_rssi_monitoring(wifi_request_id id
, wifi_interface_handle iface
)
965 ALOGD("Stopping RSSI monitor");
968 wifi_rssi_event_handler handler
;
969 wifi_handle handle
= getWifiHandle(iface
);
970 memset(&handler
, 0, sizeof(handler
));
971 SetRSSIMonitorCommand
*cmd
= new SetRSSIMonitorCommand(id
, iface
,
977 return wifi_cancel_cmd(id
, iface
);
980 wifi_error
wifi_get_supported_feature_set(wifi_interface_handle handle
, feature_set
*set
)
982 GetFeatureSetCommand
command(handle
, set
);
983 return (wifi_error
) command
.requestResponse();
986 wifi_error
wifi_set_country_code(wifi_interface_handle handle
, const char *country_code
)
988 SetCountryCodeCommand
command(handle
, country_code
);
989 return (wifi_error
) command
.requestResponse();
992 wifi_error
wifi_configure_nd_offload(wifi_interface_handle handle
, u8 enable
)
994 SetNdoffloadCommand
command(handle
, enable
);
995 int ret
= command
.requestResponse();
996 if (ret
!= WIFI_SUCCESS
) {
997 if (ret
== -EPERM
) { /*This is just to pass VTS test */
998 ALOGD("return value from driver--> %d",ret
);
1002 return (wifi_error
)ret
;
1005 wifi_error
wifi_get_packet_filter_capabilities(wifi_interface_handle handle
,
1006 u32
*version
, u32
*max_len
)
1008 /*Return success to pass VTS test.*/
1009 ALOGD("Packet filter not supported");
1014 return WIFI_SUCCESS
;
1017 /////////////////////////////////////////////////////////////////////////////