diff options
| author | Vinit Deshapnde <vinitd@google.com> | 2014-05-07 20:30:06 -0700 |
|---|---|---|
| committer | Vinit Deshapnde <vinitd@google.com> | 2014-05-07 21:16:12 -0700 |
| commit | 13cf25e15cbe308541ff84fce89b0f506cd71138 (patch) | |
| tree | ea036cd4fe8e96085bfed0e334cb704570e53f18 /service/lib | |
| parent | 766cb4b1fa3b93c146952eacbf6756f67f172ec1 (diff) | |
| download | android_frameworks_opt_net_wifi-13cf25e15cbe308541ff84fce89b0f506cd71138.tar.gz android_frameworks_opt_net_wifi-13cf25e15cbe308541ff84fce89b0f506cd71138.tar.bz2 android_frameworks_opt_net_wifi-13cf25e15cbe308541ff84fce89b0f506cd71138.zip | |
Moving Wifi HAL to hardware
This change moves all Wifi HAL headers to libhardware_legacy; and moves
hal implementation under hardware/<vendor>/wlan. This way different
vendors will be able to tailor implementation to their drivers.
Change-Id: I55789bb6788ab694f4896aa36d76f7887b32dad6
Conflicts:
service/Android.mk
service/lib/common.cpp
service/lib/wifi_hal.cpp
Diffstat (limited to 'service/lib')
| -rw-r--r-- | service/lib/common.cpp | 168 | ||||
| -rw-r--r-- | service/lib/common.h | 131 | ||||
| -rw-r--r-- | service/lib/cpp_bindings.cpp | 731 | ||||
| -rw-r--r-- | service/lib/cpp_bindings.h | 328 | ||||
| -rw-r--r-- | service/lib/gscan.cpp | 990 | ||||
| -rw-r--r-- | service/lib/gscan.h | 125 | ||||
| -rw-r--r-- | service/lib/rtt.h | 64 | ||||
| -rw-r--r-- | service/lib/sync.h | 54 | ||||
| -rw-r--r-- | service/lib/wifi_hal.cpp | 502 | ||||
| -rw-r--r-- | service/lib/wifi_hal.h | 108 |
10 files changed, 47 insertions, 3154 deletions
diff --git a/service/lib/common.cpp b/service/lib/common.cpp deleted file mode 100644 index dd8099ba2..000000000 --- a/service/lib/common.cpp +++ /dev/null @@ -1,168 +0,0 @@ - -#include <stdlib.h> -#include <netlink/handlers.h> - -#include "wifi_hal.h" -#include "common.h" - -interface_info *getIfaceInfo(wifi_interface_handle handle) -{ - return (interface_info *)handle; -} - -wifi_handle getWifiHandle(wifi_interface_handle handle) -{ - return getIfaceInfo(handle)->handle; -} - -hal_info *getHalInfo(wifi_handle handle) -{ - return (hal_info *)handle; -} - -hal_info *getHalInfo(wifi_interface_handle handle) -{ - return getHalInfo(getWifiHandle(handle)); -} - -wifi_handle getWifiHandle(hal_info *info) -{ - return (wifi_handle)info; -} - -wifi_interface_handle getIfaceHandle(interface_info *info) -{ - return (wifi_interface_handle)info; -} - -wifi_error wifi_register_handler(wifi_handle handle, int cmd, nl_recvmsg_msg_cb_t func, void *arg) -{ - hal_info *info = (hal_info *)handle; - - /* TODO: check for multiple handlers? */ - - if (info->num_event_cb < info->alloc_event_cb) { - info->event_cb[info->num_event_cb].nl_cmd = cmd; - info->event_cb[info->num_event_cb].vendor_id = 0; - info->event_cb[info->num_event_cb].vendor_subcmd = 0; - info->event_cb[info->num_event_cb].cb_func = func; - info->event_cb[info->num_event_cb].cb_arg = arg; - info->num_event_cb++; - ALOGI("Successfully added event handler %p for command %d", func, cmd); - return WIFI_SUCCESS; - } else { - return WIFI_ERROR_OUT_OF_MEMORY; - } -} - -wifi_error wifi_register_vendor_handler(wifi_handle handle, - uint32_t id, int subcmd, nl_recvmsg_msg_cb_t func, void *arg) -{ - hal_info *info = (hal_info *)handle; - - /* TODO: check for multiple handlers? */ - - if (info->num_event_cb < info->alloc_event_cb) { - info->event_cb[info->num_event_cb].nl_cmd = NL80211_CMD_VENDOR; - info->event_cb[info->num_event_cb].vendor_id = id; - info->event_cb[info->num_event_cb].vendor_subcmd = subcmd; - info->event_cb[info->num_event_cb].cb_func = func; - info->event_cb[info->num_event_cb].cb_arg = arg; - info->num_event_cb++; - ALOGI("Added event handler %p for vendor 0x%0x and subcmd 0x%0x", func, id, subcmd); - return WIFI_SUCCESS; - } else { - return WIFI_ERROR_OUT_OF_MEMORY; - } -} - -void wifi_unregister_handler(wifi_handle handle, int cmd) -{ - hal_info *info = (hal_info *)handle; - - if (cmd == NL80211_CMD_VENDOR) { - ALOGE("Must use wifi_unregister_vendor_handler to remove vendor handlers"); - } - - for (int i = 0; i < info->num_event_cb; i++) { - if (info->event_cb[i].nl_cmd == cmd) { - memmove(&info->event_cb[i], &info->event_cb[i+1], - (info->num_event_cb - i) * sizeof(cb_info)); - info->num_event_cb--; - ALOGI("Successfully removed event handler for command %d", cmd); - return; - } - } -} - -void wifi_unregister_vendor_handler(wifi_handle handle, uint32_t id, int subcmd) -{ - hal_info *info = (hal_info *)handle; - - for (int i = 0; i < info->num_event_cb; i++) { - - if (info->event_cb[i].nl_cmd == NL80211_CMD_VENDOR - && info->event_cb[i].vendor_id == id - && info->event_cb[i].vendor_subcmd == subcmd) { - - memmove(&info->event_cb[i], &info->event_cb[i+1], - (info->num_event_cb - i) * sizeof(cb_info)); - info->num_event_cb--; - ALOGI("Successfully removed event handler for vendor 0x%0x", id); - return; - } - } -} - - -wifi_error wifi_register_cmd(wifi_handle handle, int id, WifiCommand *cmd) -{ - hal_info *info = (hal_info *)handle; - - ALOGD("registering command %d", id); - - if (info->num_cmd < info->alloc_cmd) { - info->cmd[info->num_cmd].id = id; - info->cmd[info->num_cmd].cmd = cmd; - info->num_cmd++; - ALOGI("Successfully added command %d: %p", id, cmd); - return WIFI_SUCCESS; - } else { - return WIFI_ERROR_OUT_OF_MEMORY; - } -} - -WifiCommand *wifi_unregister_cmd(wifi_handle handle, int id) -{ - hal_info *info = (hal_info *)handle; - - ALOGD("un-registering command %d", id); - - for (int i = 0; i < info->num_cmd; i++) { - if (info->cmd[i].id == id) { - WifiCommand *cmd = info->cmd[i].cmd; - memmove(&info->cmd[i], &info->cmd[i+1], (info->num_cmd - i) * sizeof(cmd_info)); - info->num_cmd--; - ALOGI("Successfully removed command %d: %p", id, cmd); - return cmd; - } - } - - return NULL; -} - -void wifi_unregister_cmd(wifi_handle handle, WifiCommand *cmd) -{ - hal_info *info = (hal_info *)handle; - - for (int i = 0; i < info->num_cmd; i++) { - if (info->cmd[i].cmd == cmd) { - int id = info->cmd[i].id; - memmove(&info->cmd[i], &info->cmd[i+1], (info->num_cmd - i) * sizeof(cmd_info)); - info->num_cmd--; - ALOGI("Successfully removed command %d: %p", id, cmd); - return; - } - } -} - diff --git a/service/lib/common.h b/service/lib/common.h deleted file mode 100644 index 88062cf23..000000000 --- a/service/lib/common.h +++ /dev/null @@ -1,131 +0,0 @@ - -#include "wifi_hal.h" - -#ifndef __WIFI_HAL_COMMON_H__ -#define __WIFI_HAL_COMMON_H__ - -#define LOG_TAG "WifiHAL" - -#include <utils/Log.h> -#include "nl80211_copy.h" - -#define SOCKET_BUFFER_SIZE (32768U) -#define RECV_BUF_SIZE (4096) -#define DEFAULT_EVENT_CB_SIZE (64) -#define DEFAULT_CMD_SIZE (64) - -/* - Vendor OUI - This is a unique identifier that identifies organization. Lets - code Android specific functions with Google OUI; although vendors can do more - with their own OUI's as well. - */ - -const uint32_t GOOGLE_OUI = 0x001A11; -/* TODO: define vendor OUI here */ - - -/* - This enum defines ranges for various commands; commands themselves - can be defined in respective feature headers; i.e. find gscan command - definitions in gscan.cpp - */ - -typedef enum { - /* don't use 0 as a valid subcommand */ - VENDOR_NL80211_SUBCMD_UNSPECIFIED, - - /* define all vendor startup commands between 0x0 and 0x0FFF */ - VENDOR_NL80211_SUBCMD_RANGE_START = 0x0001, - VENDOR_NL80211_SUBCMD_RANGE_END = 0x0FFF, - - /* define all GScan related commands between 0x1000 and 0x10FF */ - ANDROID_NL80211_SUBCMD_GSCAN_RANGE_START = 0x1000, - ANDROID_NL80211_SUBCMD_GSCAN_RANGE_END = 0x10FF, - - /* define all NearbyDiscovery related commands between 0x1100 and 0x11FF */ - ANDROID_NL80211_SUBCMD_NBD_RANGE_START = 0x1100, - ANDROID_NL80211_SUBCMD_NBD_RANGE_END = 0x11FF, - - /* define all RTT related commands between 0x1100 and 0x11FF */ - ANDROID_NL80211_SUBCMD_RTT_RANGE_START = 0x1100, - ANDROID_NL80211_SUBCMD_RTT_RANGE_END = 0x11FF, - - /* This is reserved for future usage */ - -} ANDROID_VENDOR_SUB_COMMAND; - -typedef void (*wifi_internal_event_handler) (wifi_handle handle, int events); - -class WifiCommand; - -typedef struct { - int nl_cmd; - uint32_t vendor_id; - int vendor_subcmd; - nl_recvmsg_msg_cb_t cb_func; - void *cb_arg; -} cb_info; - -typedef struct { - wifi_request_id id; - WifiCommand *cmd; -} cmd_info; - -typedef struct { - wifi_handle handle; // handle to wifi data - char name[8+1]; // interface name + trailing null - int id; // id to use when talking to driver -} interface_info; - -typedef struct { - - struct nl_sock *cmd_sock; // command socket object - struct nl_sock *event_sock; // event socket object - int nl80211_family_id; // family id for 80211 driver - - bool in_event_loop; // Indicates that event loop is active - bool clean_up; // Indication to clean up the socket - - wifi_internal_event_handler event_handler; // default event handler - wifi_cleaned_up_handler cleaned_up_handler; // socket cleaned up handler - - cb_info *event_cb; // event callbacks - int num_event_cb; // number of event callbacks - int alloc_event_cb; // number of allocated callback objects - - cmd_info *cmd; // Outstanding commands - int num_cmd; // number of commands - int alloc_cmd; // number of commands allocated - - interface_info **interfaces; // array of interfaces - int num_interfaces; // number of interfaces - - // add other details -} hal_info; - -wifi_error wifi_register_handler(wifi_handle handle, int cmd, nl_recvmsg_msg_cb_t func, void *arg); -wifi_error wifi_register_vendor_handler(wifi_handle handle, - uint32_t id, int subcmd, nl_recvmsg_msg_cb_t func, void *arg); - -void wifi_unregister_handler(wifi_handle handle, int cmd); -void wifi_unregister_vendor_handler(wifi_handle handle, uint32_t id, int subcmd); - -wifi_error wifi_register_cmd(wifi_handle handle, int id, WifiCommand *cmd); -WifiCommand *wifi_unregister_cmd(wifi_handle handle, int id); -void wifi_unregister_cmd(wifi_handle handle, WifiCommand *cmd); - -interface_info *getIfaceInfo(wifi_interface_handle); -wifi_handle getWifiHandle(wifi_interface_handle handle); -hal_info *getHalInfo(wifi_handle handle); -hal_info *getHalInfo(wifi_interface_handle handle); -wifi_handle getWifiHandle(hal_info *info); -wifi_interface_handle getIfaceHandle(interface_info *info); - - -// some common macros - -#define min(x, y) ((x) < (y) ? (x) : (y)) -#define max(x, y) ((x) > (y) ? (x) : (y)) - -#endif - diff --git a/service/lib/cpp_bindings.cpp b/service/lib/cpp_bindings.cpp deleted file mode 100644 index 6f7025965..000000000 --- a/service/lib/cpp_bindings.cpp +++ /dev/null @@ -1,731 +0,0 @@ - -#include <stdint.h> -#include <fcntl.h> -#include <sys/socket.h> -#include <netlink/genl/genl.h> -#include <netlink/genl/family.h> -#include <netlink/genl/ctrl.h> -#include <linux/rtnetlink.h> -#include <netpacket/packet.h> -#include <linux/filter.h> -#include <linux/errqueue.h> - -#include <linux/pkt_sched.h> -#include <netlink/object-api.h> -#include <netlink/netlink.h> -#include <netlink/socket.h> -#include <netlink-types.h> - -#include "nl80211_copy.h" -#include <ctype.h> - -#include "wifi_hal.h" -#include "common.h" -#include "cpp_bindings.h" - -void appendFmt(char *buf, int &offset, const char *fmt, ...) -{ - va_list params; - va_start(params, fmt); - offset += vsprintf(buf + offset, fmt, params); - va_end(params); -} - -#define C2S(x) case x: return #x; - -static const char *cmdToString(int cmd) -{ - switch (cmd) { - C2S(NL80211_CMD_UNSPEC) - C2S(NL80211_CMD_GET_WIPHY) - C2S(NL80211_CMD_SET_WIPHY) - C2S(NL80211_CMD_NEW_WIPHY) - C2S(NL80211_CMD_DEL_WIPHY) - C2S(NL80211_CMD_GET_INTERFACE) - C2S(NL80211_CMD_SET_INTERFACE) - C2S(NL80211_CMD_NEW_INTERFACE) - C2S(NL80211_CMD_DEL_INTERFACE) - C2S(NL80211_CMD_GET_KEY) - C2S(NL80211_CMD_SET_KEY) - C2S(NL80211_CMD_NEW_KEY) - C2S(NL80211_CMD_DEL_KEY) - C2S(NL80211_CMD_GET_BEACON) - C2S(NL80211_CMD_SET_BEACON) - C2S(NL80211_CMD_START_AP) - C2S(NL80211_CMD_STOP_AP) - C2S(NL80211_CMD_GET_STATION) - C2S(NL80211_CMD_SET_STATION) - C2S(NL80211_CMD_NEW_STATION) - C2S(NL80211_CMD_DEL_STATION) - C2S(NL80211_CMD_GET_MPATH) - C2S(NL80211_CMD_SET_MPATH) - C2S(NL80211_CMD_NEW_MPATH) - C2S(NL80211_CMD_DEL_MPATH) - C2S(NL80211_CMD_SET_BSS) - C2S(NL80211_CMD_SET_REG) - C2S(NL80211_CMD_REQ_SET_REG) - C2S(NL80211_CMD_GET_MESH_CONFIG) - C2S(NL80211_CMD_SET_MESH_CONFIG) - C2S(NL80211_CMD_SET_MGMT_EXTRA_IE) - C2S(NL80211_CMD_GET_REG) - C2S(NL80211_CMD_GET_SCAN) - C2S(NL80211_CMD_TRIGGER_SCAN) - C2S(NL80211_CMD_NEW_SCAN_RESULTS) - C2S(NL80211_CMD_SCAN_ABORTED) - C2S(NL80211_CMD_REG_CHANGE) - C2S(NL80211_CMD_AUTHENTICATE) - C2S(NL80211_CMD_ASSOCIATE) - C2S(NL80211_CMD_DEAUTHENTICATE) - C2S(NL80211_CMD_DISASSOCIATE) - C2S(NL80211_CMD_MICHAEL_MIC_FAILURE) - C2S(NL80211_CMD_REG_BEACON_HINT) - C2S(NL80211_CMD_JOIN_IBSS) - C2S(NL80211_CMD_LEAVE_IBSS) - C2S(NL80211_CMD_TESTMODE) - C2S(NL80211_CMD_CONNECT) - C2S(NL80211_CMD_ROAM) - C2S(NL80211_CMD_DISCONNECT) - C2S(NL80211_CMD_SET_WIPHY_NETNS) - C2S(NL80211_CMD_GET_SURVEY) - C2S(NL80211_CMD_NEW_SURVEY_RESULTS) - C2S(NL80211_CMD_SET_PMKSA) - C2S(NL80211_CMD_DEL_PMKSA) - C2S(NL80211_CMD_FLUSH_PMKSA) - C2S(NL80211_CMD_REMAIN_ON_CHANNEL) - C2S(NL80211_CMD_CANCEL_REMAIN_ON_CHANNEL) - C2S(NL80211_CMD_SET_TX_BITRATE_MASK) - C2S(NL80211_CMD_REGISTER_FRAME) - C2S(NL80211_CMD_FRAME) - C2S(NL80211_CMD_FRAME_TX_STATUS) - C2S(NL80211_CMD_SET_POWER_SAVE) - C2S(NL80211_CMD_GET_POWER_SAVE) - C2S(NL80211_CMD_SET_CQM) - C2S(NL80211_CMD_NOTIFY_CQM) - C2S(NL80211_CMD_SET_CHANNEL) - C2S(NL80211_CMD_SET_WDS_PEER) - C2S(NL80211_CMD_FRAME_WAIT_CANCEL) - C2S(NL80211_CMD_JOIN_MESH) - C2S(NL80211_CMD_LEAVE_MESH) - C2S(NL80211_CMD_UNPROT_DEAUTHENTICATE) - C2S(NL80211_CMD_UNPROT_DISASSOCIATE) - C2S(NL80211_CMD_NEW_PEER_CANDIDATE) - C2S(NL80211_CMD_GET_WOWLAN) - C2S(NL80211_CMD_SET_WOWLAN) - C2S(NL80211_CMD_START_SCHED_SCAN) - C2S(NL80211_CMD_STOP_SCHED_SCAN) - C2S(NL80211_CMD_SCHED_SCAN_RESULTS) - C2S(NL80211_CMD_SCHED_SCAN_STOPPED) - C2S(NL80211_CMD_SET_REKEY_OFFLOAD) - C2S(NL80211_CMD_PMKSA_CANDIDATE) - C2S(NL80211_CMD_TDLS_OPER) - C2S(NL80211_CMD_TDLS_MGMT) - C2S(NL80211_CMD_UNEXPECTED_FRAME) - C2S(NL80211_CMD_PROBE_CLIENT) - C2S(NL80211_CMD_REGISTER_BEACONS) - C2S(NL80211_CMD_UNEXPECTED_4ADDR_FRAME) - C2S(NL80211_CMD_SET_NOACK_MAP) - C2S(NL80211_CMD_CH_SWITCH_NOTIFY) - C2S(NL80211_CMD_START_P2P_DEVICE) - C2S(NL80211_CMD_STOP_P2P_DEVICE) - C2S(NL80211_CMD_CONN_FAILED) - C2S(NL80211_CMD_SET_MCAST_RATE) - C2S(NL80211_CMD_SET_MAC_ACL) - C2S(NL80211_CMD_RADAR_DETECT) - C2S(NL80211_CMD_GET_PROTOCOL_FEATURES) - C2S(NL80211_CMD_UPDATE_FT_IES) - C2S(NL80211_CMD_FT_EVENT) - C2S(NL80211_CMD_CRIT_PROTOCOL_START) - C2S(NL80211_CMD_CRIT_PROTOCOL_STOP) - C2S(NL80211_CMD_GET_COALESCE) - C2S(NL80211_CMD_SET_COALESCE) - C2S(NL80211_CMD_CHANNEL_SWITCH) - C2S(NL80211_CMD_VENDOR) - C2S(NL80211_CMD_SET_QOS_MAP) - default: - return "NL80211_CMD_UNKNOWN"; - } -} - -const char *attributeToString(int attribute) -{ - switch (attribute) { - C2S(NL80211_ATTR_UNSPEC) - - C2S(NL80211_ATTR_WIPHY) - C2S(NL80211_ATTR_WIPHY_NAME) - - C2S(NL80211_ATTR_IFINDEX) - C2S(NL80211_ATTR_IFNAME) - C2S(NL80211_ATTR_IFTYPE) - - C2S(NL80211_ATTR_MAC) - - C2S(NL80211_ATTR_KEY_DATA) - C2S(NL80211_ATTR_KEY_IDX) - C2S(NL80211_ATTR_KEY_CIPHER) - C2S(NL80211_ATTR_KEY_SEQ) - C2S(NL80211_ATTR_KEY_DEFAULT) - - C2S(NL80211_ATTR_BEACON_INTERVAL) - C2S(NL80211_ATTR_DTIM_PERIOD) - C2S(NL80211_ATTR_BEACON_HEAD) - C2S(NL80211_ATTR_BEACON_TAIL) - - C2S(NL80211_ATTR_STA_AID) - C2S(NL80211_ATTR_STA_FLAGS) - C2S(NL80211_ATTR_STA_LISTEN_INTERVAL) - C2S(NL80211_ATTR_STA_SUPPORTED_RATES) - C2S(NL80211_ATTR_STA_VLAN) - C2S(NL80211_ATTR_STA_INFO) - - C2S(NL80211_ATTR_WIPHY_BANDS) - - C2S(NL80211_ATTR_MNTR_FLAGS) - - C2S(NL80211_ATTR_MESH_ID) - C2S(NL80211_ATTR_STA_PLINK_ACTION) - C2S(NL80211_ATTR_MPATH_NEXT_HOP) - C2S(NL80211_ATTR_MPATH_INFO) - - C2S(NL80211_ATTR_BSS_CTS_PROT) - C2S(NL80211_ATTR_BSS_SHORT_PREAMBLE) - C2S(NL80211_ATTR_BSS_SHORT_SLOT_TIME) - - C2S(NL80211_ATTR_HT_CAPABILITY) - - C2S(NL80211_ATTR_SUPPORTED_IFTYPES) - - C2S(NL80211_ATTR_REG_ALPHA2) - C2S(NL80211_ATTR_REG_RULES) - - C2S(NL80211_ATTR_MESH_CONFIG) - - C2S(NL80211_ATTR_BSS_BASIC_RATES) - - C2S(NL80211_ATTR_WIPHY_TXQ_PARAMS) - C2S(NL80211_ATTR_WIPHY_FREQ) - C2S(NL80211_ATTR_WIPHY_CHANNEL_TYPE) - - C2S(NL80211_ATTR_KEY_DEFAULT_MGMT) - - C2S(NL80211_ATTR_MGMT_SUBTYPE) - C2S(NL80211_ATTR_IE) - - C2S(NL80211_ATTR_MAX_NUM_SCAN_SSIDS) - - C2S(NL80211_ATTR_SCAN_FREQUENCIES) - C2S(NL80211_ATTR_SCAN_SSIDS) - C2S(NL80211_ATTR_GENERATION) /* replaces old SCAN_GENERATION */ - C2S(NL80211_ATTR_BSS) - - C2S(NL80211_ATTR_REG_INITIATOR) - C2S(NL80211_ATTR_REG_TYPE) - - C2S(NL80211_ATTR_SUPPORTED_COMMANDS) - - C2S(NL80211_ATTR_FRAME) - C2S(NL80211_ATTR_SSID) - C2S(NL80211_ATTR_AUTH_TYPE) - C2S(NL80211_ATTR_REASON_CODE) - - C2S(NL80211_ATTR_KEY_TYPE) - - C2S(NL80211_ATTR_MAX_SCAN_IE_LEN) - C2S(NL80211_ATTR_CIPHER_SUITES) - - C2S(NL80211_ATTR_FREQ_BEFORE) - C2S(NL80211_ATTR_FREQ_AFTER) - - C2S(NL80211_ATTR_FREQ_FIXED) - - - C2S(NL80211_ATTR_WIPHY_RETRY_SHORT) - C2S(NL80211_ATTR_WIPHY_RETRY_LONG) - C2S(NL80211_ATTR_WIPHY_FRAG_THRESHOLD) - C2S(NL80211_ATTR_WIPHY_RTS_THRESHOLD) - - C2S(NL80211_ATTR_TIMED_OUT) - - C2S(NL80211_ATTR_USE_MFP) - - C2S(NL80211_ATTR_STA_FLAGS2) - - C2S(NL80211_ATTR_CONTROL_PORT) - - C2S(NL80211_ATTR_TESTDATA) - - C2S(NL80211_ATTR_PRIVACY) - - C2S(NL80211_ATTR_DISCONNECTED_BY_AP) - C2S(NL80211_ATTR_STATUS_CODE) - - C2S(NL80211_ATTR_CIPHER_SUITES_PAIRWISE) - C2S(NL80211_ATTR_CIPHER_SUITE_GROUP) - C2S(NL80211_ATTR_WPA_VERSIONS) - C2S(NL80211_ATTR_AKM_SUITES) - - C2S(NL80211_ATTR_REQ_IE) - C2S(NL80211_ATTR_RESP_IE) - - C2S(NL80211_ATTR_PREV_BSSID) - - C2S(NL80211_ATTR_KEY) - C2S(NL80211_ATTR_KEYS) - - C2S(NL80211_ATTR_PID) - - C2S(NL80211_ATTR_4ADDR) - - C2S(NL80211_ATTR_SURVEY_INFO) - - C2S(NL80211_ATTR_PMKID) - C2S(NL80211_ATTR_MAX_NUM_PMKIDS) - - C2S(NL80211_ATTR_DURATION) - - C2S(NL80211_ATTR_COOKIE) - - C2S(NL80211_ATTR_WIPHY_COVERAGE_CLASS) - - C2S(NL80211_ATTR_TX_RATES) - - C2S(NL80211_ATTR_FRAME_MATCH) - - C2S(NL80211_ATTR_ACK) - - C2S(NL80211_ATTR_PS_STATE) - - C2S(NL80211_ATTR_CQM) - - C2S(NL80211_ATTR_LOCAL_STATE_CHANGE) - - C2S(NL80211_ATTR_AP_ISOLATE) - - C2S(NL80211_ATTR_WIPHY_TX_POWER_SETTING) - C2S(NL80211_ATTR_WIPHY_TX_POWER_LEVEL) - - C2S(NL80211_ATTR_TX_FRAME_TYPES) - C2S(NL80211_ATTR_RX_FRAME_TYPES) - C2S(NL80211_ATTR_FRAME_TYPE) - - C2S(NL80211_ATTR_CONTROL_PORT_ETHERTYPE) - C2S(NL80211_ATTR_CONTROL_PORT_NO_ENCRYPT) - - C2S(NL80211_ATTR_SUPPORT_IBSS_RSN) - - C2S(NL80211_ATTR_WIPHY_ANTENNA_TX) - C2S(NL80211_ATTR_WIPHY_ANTENNA_RX) - - C2S(NL80211_ATTR_MCAST_RATE) - - C2S(NL80211_ATTR_OFFCHANNEL_TX_OK) - - C2S(NL80211_ATTR_BSS_HT_OPMODE) - - C2S(NL80211_ATTR_KEY_DEFAULT_TYPES) - - C2S(NL80211_ATTR_MAX_REMAIN_ON_CHANNEL_DURATION) - - C2S(NL80211_ATTR_MESH_SETUP) - - C2S(NL80211_ATTR_WIPHY_ANTENNA_AVAIL_TX) - C2S(NL80211_ATTR_WIPHY_ANTENNA_AVAIL_RX) - - C2S(NL80211_ATTR_SUPPORT_MESH_AUTH) - C2S(NL80211_ATTR_STA_PLINK_STATE) - - C2S(NL80211_ATTR_WOWLAN_TRIGGERS) - C2S(NL80211_ATTR_WOWLAN_TRIGGERS_SUPPORTED) - - C2S(NL80211_ATTR_SCHED_SCAN_INTERVAL) - - C2S(NL80211_ATTR_INTERFACE_COMBINATIONS) - C2S(NL80211_ATTR_SOFTWARE_IFTYPES) - - C2S(NL80211_ATTR_REKEY_DATA) - - C2S(NL80211_ATTR_MAX_NUM_SCHED_SCAN_SSIDS) - C2S(NL80211_ATTR_MAX_SCHED_SCAN_IE_LEN) - - C2S(NL80211_ATTR_SCAN_SUPP_RATES) - - C2S(NL80211_ATTR_HIDDEN_SSID) - - C2S(NL80211_ATTR_IE_PROBE_RESP) - C2S(NL80211_ATTR_IE_ASSOC_RESP) - - C2S(NL80211_ATTR_STA_WME) - C2S(NL80211_ATTR_SUPPORT_AP_UAPSD) - - C2S(NL80211_ATTR_ROAM_SUPPORT) - - C2S(NL80211_ATTR_SCHED_SCAN_MATCH) - C2S(NL80211_ATTR_MAX_MATCH_SETS) - - C2S(NL80211_ATTR_PMKSA_CANDIDATE) - - C2S(NL80211_ATTR_TX_NO_CCK_RATE) - - C2S(NL80211_ATTR_TDLS_ACTION) - C2S(NL80211_ATTR_TDLS_DIALOG_TOKEN) - C2S(NL80211_ATTR_TDLS_OPERATION) - C2S(NL80211_ATTR_TDLS_SUPPORT) - C2S(NL80211_ATTR_TDLS_EXTERNAL_SETUP) - - C2S(NL80211_ATTR_DEVICE_AP_SME) - - C2S(NL80211_ATTR_DONT_WAIT_FOR_ACK) - - C2S(NL80211_ATTR_FEATURE_FLAGS) - - C2S(NL80211_ATTR_PROBE_RESP_OFFLOAD) - - C2S(NL80211_ATTR_PROBE_RESP) - - C2S(NL80211_ATTR_DFS_REGION) - - C2S(NL80211_ATTR_DISABLE_HT) - C2S(NL80211_ATTR_HT_CAPABILITY_MASK) - - C2S(NL80211_ATTR_NOACK_MAP) - - C2S(NL80211_ATTR_INACTIVITY_TIMEOUT) - - C2S(NL80211_ATTR_RX_SIGNAL_DBM) - - C2S(NL80211_ATTR_BG_SCAN_PERIOD) - - C2S(NL80211_ATTR_WDEV) - - C2S(NL80211_ATTR_USER_REG_HINT_TYPE) - - C2S(NL80211_ATTR_CONN_FAILED_REASON) - - C2S(NL80211_ATTR_SAE_DATA) - - C2S(NL80211_ATTR_VHT_CAPABILITY) - - C2S(NL80211_ATTR_SCAN_FLAGS) - - C2S(NL80211_ATTR_CHANNEL_WIDTH) - C2S(NL80211_ATTR_CENTER_FREQ1) - C2S(NL80211_ATTR_CENTER_FREQ2) - - C2S(NL80211_ATTR_P2P_CTWINDOW) - C2S(NL80211_ATTR_P2P_OPPPS) - - C2S(NL80211_ATTR_LOCAL_MESH_POWER_MODE) - - C2S(NL80211_ATTR_ACL_POLICY) - - C2S(NL80211_ATTR_MAC_ADDRS) - - C2S(NL80211_ATTR_MAC_ACL_MAX) - - C2S(NL80211_ATTR_RADAR_EVENT) - - C2S(NL80211_ATTR_EXT_CAPA) - C2S(NL80211_ATTR_EXT_CAPA_MASK) - - C2S(NL80211_ATTR_STA_CAPABILITY) - C2S(NL80211_ATTR_STA_EXT_CAPABILITY) - - C2S(NL80211_ATTR_PROTOCOL_FEATURES) - C2S(NL80211_ATTR_SPLIT_WIPHY_DUMP) - - C2S(NL80211_ATTR_DISABLE_VHT) - C2S(NL80211_ATTR_VHT_CAPABILITY_MASK) - - C2S(NL80211_ATTR_MDID) - C2S(NL80211_ATTR_IE_RIC) - - C2S(NL80211_ATTR_CRIT_PROT_ID) - C2S(NL80211_ATTR_MAX_CRIT_PROT_DURATION) - - C2S(NL80211_ATTR_PEER_AID) - - C2S(NL80211_ATTR_COALESCE_RULE) - - C2S(NL80211_ATTR_CH_SWITCH_COUNT) - C2S(NL80211_ATTR_CH_SWITCH_BLOCK_TX) - C2S(NL80211_ATTR_CSA_IES) - C2S(NL80211_ATTR_CSA_C_OFF_BEACON) - C2S(NL80211_ATTR_CSA_C_OFF_PRESP) - - C2S(NL80211_ATTR_RXMGMT_FLAGS) - - C2S(NL80211_ATTR_STA_SUPPORTED_CHANNELS) - - C2S(NL80211_ATTR_STA_SUPPORTED_OPER_CLASSES) - - C2S(NL80211_ATTR_HANDLE_DFS) - - C2S(NL80211_ATTR_SUPPORT_5_MHZ) - C2S(NL80211_ATTR_SUPPORT_10_MHZ) - - C2S(NL80211_ATTR_OPMODE_NOTIF) - - C2S(NL80211_ATTR_VENDOR_ID) - C2S(NL80211_ATTR_VENDOR_SUBCMD) - C2S(NL80211_ATTR_VENDOR_DATA) - C2S(NL80211_ATTR_VENDOR_EVENTS) - - C2S(NL80211_ATTR_QOS_MAP) - default: - return "NL80211_ATTR_UNKNOWN"; - } -} - -void WifiEvent::log() { - parse(); - - byte *data = (byte *)genlmsg_attrdata(mHeader, 0); - int len = genlmsg_attrlen(mHeader, 0); - ALOGD("cmd = %s, len = %d", get_cmdString(), len); - ALOGD("vendor_id = %04x, vendor_subcmd = %d", get_vendor_id(), get_vendor_subcmd()); - - for (int i = 0; i < len; i += 16) { - char line[81]; - int linelen = min(16, len - i); - int offset = 0; - appendFmt(line, offset, "%02x", data[i]); - for (int j = 1; j < linelen; j++) { - appendFmt(line, offset, " %02x", data[i+j]); - } - - for (int j = linelen; j < 16; j++) { - appendFmt(line, offset, " "); - } - - line[23] = '-'; - - appendFmt(line, offset, " "); - - for (int j = 0; j < linelen; j++) { - if (isprint(data[i+j])) { - appendFmt(line, offset, "%c", data[i+j]); - } else { - appendFmt(line, offset, "-"); - } - } - - ALOGD("%s", line); - } - - for (unsigned i = 0; i < NL80211_ATTR_MAX_INTERNAL; i++) { - if (mAttributes[i] != NULL) { - ALOGD("found attribute %s", attributeToString(i)); - } - } - - ALOGD("-- End of message --"); -} - -const char *WifiEvent::get_cmdString() { - return cmdToString(get_cmd()); -} - - -int WifiEvent::parse() { - if (mHeader != NULL) { - return WIFI_SUCCESS; - } - mHeader = (genlmsghdr *)nlmsg_data(nlmsg_hdr(mMsg)); - int result = nla_parse(mAttributes, NL80211_ATTR_MAX_INTERNAL, genlmsg_attrdata(mHeader, 0), - genlmsg_attrlen(mHeader, 0), NULL); - - // ALOGD("event len = %d", nlmsg_hdr(mMsg)->nlmsg_len); - return result; -} - -int WifiRequest::create(int family, uint8_t cmd, int flags, int hdrlen) { - mMsg = nlmsg_alloc(); - if (mMsg != NULL) { - genlmsg_put(mMsg, /* pid = */ 0, /* seq = */ 0, family, - hdrlen, flags, cmd, /* version = */ 0); - return WIFI_SUCCESS; - } else { - return WIFI_ERROR_OUT_OF_MEMORY; - } -} - -int WifiRequest::create(uint32_t id, int subcmd) { - int res = create(NL80211_CMD_VENDOR); - if (res < 0) { - return res; - } - - res = put_u32(NL80211_ATTR_VENDOR_ID, id); - if (res < 0) { - return res; - } - - res = put_u32(NL80211_ATTR_VENDOR_SUBCMD, subcmd); - if (res < 0) { - return res; - } - - if (mIface != -1) { - res = set_iface_id(mIface); - } - - return res; -} - - -static int no_seq_check(struct nl_msg *msg, void *arg) -{ - return NL_OK; -} - -int WifiCommand::requestResponse() { - int err = create(); /* create the message */ - if (err < 0) { - return err; - } - - return requestResponse(mMsg); -} - -int WifiCommand::requestResponse(WifiRequest& request) { - int err = 0; - - struct nl_cb *cb = nl_cb_alloc(NL_CB_DEFAULT); - if (!cb) - goto out; - - err = nl_send_auto_complete(mInfo->cmd_sock, request.getMessage()); /* send message */ - if (err < 0) - goto out; - - err = 1; - - nl_cb_set(cb, NL_CB_SEQ_CHECK, NL_CB_CUSTOM, no_seq_check, NULL); - nl_cb_err(cb, NL_CB_CUSTOM, error_handler, &err); - nl_cb_set(cb, NL_CB_FINISH, NL_CB_CUSTOM, finish_handler, &err); - nl_cb_set(cb, NL_CB_ACK, NL_CB_CUSTOM, ack_handler, &err); - nl_cb_set(cb, NL_CB_VALID, NL_CB_CUSTOM, response_handler, this); - - while (err > 0) { /* wait for reply */ - int res = nl_recvmsgs(mInfo->cmd_sock, cb); - if (res) { - ALOGE("nl80211: %s->nl_recvmsgs failed: %d", __func__, res); - } - } -out: - nl_cb_put(cb); - return err; -} - -int WifiCommand::requestEvent(int cmd) { - - ALOGD("requesting event %d", cmd); - - int res = wifi_register_handler(wifiHandle(), cmd, event_handler, this); - if (res < 0) { - return res; - } - - res = create(); /* create the message */ - if (res < 0) - goto out; - - ALOGD("waiting for response %d", cmd); - - res = nl_send_auto_complete(mInfo->cmd_sock, mMsg.getMessage()); /* send message */ - if (res < 0) - goto out; - - ALOGD("waiting for event %d", cmd); - res = mCondition.wait(); - if (res < 0) - goto out; - -out: - wifi_unregister_handler(wifiHandle(), cmd); - return res; -} - -int WifiCommand::requestVendorEvent(uint32_t id, int subcmd) { - - int res = wifi_register_vendor_handler(wifiHandle(), id, subcmd, event_handler, this); - if (res < 0) { - return res; - } - - res = create(); /* create the message */ - if (res < 0) - goto out; - - res = nl_send_auto_complete(mInfo->cmd_sock, mMsg.getMessage()); /* send message */ - if (res < 0) - goto out; - - res = mCondition.wait(); - if (res < 0) - goto out; - -out: - wifi_unregister_vendor_handler(wifiHandle(), id, subcmd); - return res; -} - -/* Event handlers */ -int WifiCommand::response_handler(struct nl_msg *msg, void *arg) { - // ALOGD("response_handler called"); - WifiCommand *cmd = (WifiCommand *)arg; - WifiEvent reply(msg); - int res = reply.parse(); - if (res < 0) { - ALOGE("Failed to parse reply message = %d", res); - return NL_SKIP; - } else { - reply.log(); - return cmd->handleResponse(reply); - } -} - -int WifiCommand::event_handler(struct nl_msg *msg, void *arg) { - WifiCommand *cmd = (WifiCommand *)arg; - WifiEvent event(msg); - int res = event.parse(); - if (res < 0) { - ALOGE("Failed to parse event = %d", res); - res = NL_SKIP; - } else { - res = cmd->handleEvent(event); - } - - cmd->mCondition.signal(); - return res; -} - -/* Other event handlers */ -int WifiCommand::valid_handler(struct nl_msg *msg, void *arg) { - // ALOGD("valid_handler called"); - int *err = (int *)arg; - *err = 0; - return NL_SKIP; -} - -int WifiCommand::ack_handler(struct nl_msg *msg, void *arg) { - // ALOGD("ack_handler called"); - int *err = (int *)arg; - *err = 0; - return NL_STOP; -} - -int WifiCommand::finish_handler(struct nl_msg *msg, void *arg) { - // ALOGD("finish_handler called"); - int *ret = (int *)arg; - *ret = 0; - return NL_SKIP; -} - -int WifiCommand::error_handler(struct sockaddr_nl *nla, struct nlmsgerr *err, void *arg) { - int *ret = (int *)arg; - *ret = err->error; - - // ALOGD("error_handler received : %d", err->error); - return NL_SKIP; -} diff --git a/service/lib/cpp_bindings.h b/service/lib/cpp_bindings.h deleted file mode 100644 index 7a29cafdc..000000000 --- a/service/lib/cpp_bindings.h +++ /dev/null @@ -1,328 +0,0 @@ - -#include "wifi_hal.h" -#include "common.h" -#include "sync.h" - -class WifiEvent -{ - /* TODO: remove this when nl headers are updated */ - static const unsigned NL80211_ATTR_MAX_INTERNAL = 256; -private: - struct nl_msg *mMsg; - struct genlmsghdr *mHeader; - struct nlattr *mAttributes[NL80211_ATTR_MAX_INTERNAL + 1]; - -public: - WifiEvent(nl_msg *msg) { - mMsg = msg; - mHeader = NULL; - memset(mAttributes, 0, sizeof(mAttributes)); - } - ~WifiEvent() { - /* don't destroy mMsg; it doesn't belong to us */ - } - - void log(); - - int parse(); - - genlmsghdr *header() { - return mHeader; - } - - int get_cmd() { - return mHeader->cmd; - } - - int get_vendor_id() { - return get_u32(NL80211_ATTR_VENDOR_ID); - } - - int get_vendor_subcmd() { - return get_u32(NL80211_ATTR_VENDOR_SUBCMD); - } - - void *get_vendor_data() { - return get_data(NL80211_ATTR_VENDOR_DATA); - } - - int get_vendor_data_len() { - return get_len(NL80211_ATTR_VENDOR_DATA); - } - - const char *get_cmdString(); - - nlattr ** attributes() { - return mAttributes; - } - - nlattr *get_attribute(int attribute) { - return mAttributes[attribute]; - } - - uint8_t get_u8(int attribute) { - return mAttributes[attribute] ? nla_get_u8(mAttributes[attribute]) : 0; - } - - uint16_t get_u16(int attribute) { - return mAttributes[attribute] ? nla_get_u16(mAttributes[attribute]) : 0; - } - - uint32_t get_u32(int attribute) { - return mAttributes[attribute] ? nla_get_u32(mAttributes[attribute]) : 0; - } - - uint64_t get_u64(int attribute) { - return mAttributes[attribute] ? nla_get_u64(mAttributes[attribute]) : 0; - } - - int get_len(int attribute) { - return mAttributes[attribute] ? nla_len(mAttributes[attribute]) : 0; - } - - void *get_data(int attribute) { - return mAttributes[attribute] ? nla_data(mAttributes[attribute]) : NULL; - } - -private: - WifiEvent(const WifiEvent&); // hide copy constructor to prevent copies -}; - -class nl_iterator { - struct nlattr *pos; - int rem; -public: - nl_iterator(struct nlattr *attr) { - pos = (struct nlattr *)nla_data(attr); - rem = nla_len(attr); - } - bool has_next() { - return nla_ok(pos, rem); - } - void next() { - pos = (struct nlattr *)nla_next(pos, &(rem)); - } - struct nlattr *get() { - return pos; - } - uint16_t get_type() { - return pos->nla_type; - } - uint8_t get_u8() { - return nla_get_u8(pos); - } - uint16_t get_u16() { - return nla_get_u16(pos); - } - uint32_t get_u32() { - return nla_get_u32(pos); - } - uint64_t get_u64() { - return nla_get_u64(pos); - } - void* get_data() { - return nla_data(pos); - } - int get_len() { - return nla_len(pos); - } -private: - nl_iterator(const nl_iterator&); // hide copy constructor to prevent copies -}; - -class WifiRequest -{ -private: - int mFamily; - int mIface; - struct nl_msg *mMsg; - -public: - WifiRequest(int family) { - mMsg = NULL; - mFamily = family; - mIface = -1; - } - - WifiRequest(int family, int iface) { - mMsg = NULL; - mFamily = family; - mIface = iface; - } - - ~WifiRequest() { - destroy(); - } - - void destroy() { - if (mMsg) { - nlmsg_free(mMsg); - mMsg = NULL; - } - } - - nl_msg *getMessage() { - return mMsg; - } - - /* Command assembly helpers */ - int create(int family, uint8_t cmd, int flags, int hdrlen); - int create(uint8_t cmd) { - return create(mFamily, cmd, 0, 0); - } - - int create(uint32_t id, int subcmd); - - int put_u8(int attribute, uint8_t value) { - return nla_put(mMsg, attribute, sizeof(value), &value); - } - int put_u16(int attribute, uint16_t value) { - return nla_put(mMsg, attribute, sizeof(value), &value); - } - int put_u32(int attribute, uint32_t value) { - return nla_put(mMsg, attribute, sizeof(value), &value); - } - int put_u64(int attribute, uint64_t value) { - return nla_put(mMsg, attribute, sizeof(value), &value); - } - int put_string(int attribute, const char *value) { - return nla_put(mMsg, attribute, strlen(value) + 1, value); - } - int put_addr(int attribute, mac_addr value) { - return nla_put(mMsg, attribute, sizeof(mac_addr), value); - } - - struct nlattr * attr_start(int attribute) { - return nla_nest_start(mMsg, attribute); - } - void attr_end(struct nlattr *attr) { - nla_nest_end(mMsg, attr); - } - - int set_iface_id(int ifindex) { - return put_u32(NL80211_ATTR_IFINDEX, ifindex); - } -private: - WifiRequest(const WifiRequest&); // hide copy constructor to prevent copies - -}; - -class WifiCommand -{ -protected: - hal_info *mInfo; - WifiRequest mMsg; - Condition mCondition; - wifi_request_id mId; - interface_info *mIfaceInfo; -public: - WifiCommand(wifi_handle handle, wifi_request_id id) - : mMsg(getHalInfo(handle)->nl80211_family_id), mId(id) - { - mIfaceInfo = NULL; - mInfo = getHalInfo(handle); - // ALOGD("WifiCommand %p created, mInfo = %p, mIfaceInfo = %p", this, mInfo, mIfaceInfo); - } - - WifiCommand(wifi_interface_handle iface, wifi_request_id id) - : mMsg(getHalInfo(iface)->nl80211_family_id, getIfaceInfo(iface)->id), mId(id) - { - mIfaceInfo = getIfaceInfo(iface); - mInfo = getHalInfo(iface); - // ALOGD("WifiCommand %p created, mInfo = %p, mIfaceInfo = %p", this, mInfo, mIfaceInfo); - } - - virtual ~WifiCommand() { - // ALOGD("WifiCommand %p destroyed", this); - } - - wifi_request_id id() { - return mId; - } - - virtual int create() { - /* by default there is no way to cancel */ - ALOGD("WifiCommand %p can't be created", this); - return WIFI_ERROR_NOT_SUPPORTED; - } - - virtual int cancel() { - /* by default there is no way to cancel */ - return WIFI_ERROR_NOT_SUPPORTED; - } - - int requestResponse(); - int requestEvent(int cmd); - int requestVendorEvent(uint32_t id, int subcmd); - int requestResponse(WifiRequest& request); - -protected: - wifi_handle wifiHandle() { - return getWifiHandle(mInfo); - } - - wifi_interface_handle ifaceHandle() { - return getIfaceHandle(mIfaceInfo); - } - - int familyId() { - return mInfo->nl80211_family_id; - } - - int ifaceId() { - return mIfaceInfo->id; - } - - /* Override this method to parse reply and dig out data; save it in the object */ - virtual int handleResponse(WifiEvent& reply) { - ALOGI("skipping a response"); - return NL_SKIP; - } - - /* Override this method to parse event and dig out data; save it in the object */ - virtual int handleEvent(WifiEvent& event) { - ALOGI("skipping an event"); - return NL_SKIP; - } - - int registerHandler(int cmd) { - return wifi_register_handler(wifiHandle(), cmd, &event_handler, this); - } - - void unregisterHandler(int cmd) { - wifi_unregister_handler(wifiHandle(), cmd); - } - - int registerVendorHandler(uint32_t id, int subcmd) { - return wifi_register_vendor_handler(wifiHandle(), id, subcmd, &event_handler, this); - } - - void unregisterVendorHandler(uint32_t id, int subcmd) { - wifi_unregister_vendor_handler(wifiHandle(), id, subcmd); - } - -private: - WifiCommand(const WifiCommand& ); // hide copy constructor to prevent copies - - /* Event handling */ - static int response_handler(struct nl_msg *msg, void *arg); - - static int event_handler(struct nl_msg *msg, void *arg); - - /* Other event handlers */ - static int valid_handler(struct nl_msg *msg, void *arg); - - static int ack_handler(struct nl_msg *msg, void *arg); - - static int finish_handler(struct nl_msg *msg, void *arg); - - static int error_handler(struct sockaddr_nl *nla, struct nlmsgerr *err, void *arg); -}; - -/* nl message processing macros (required to pass C++ type checks) */ - -#define for_each_attr(pos, nla, rem) \ - for (pos = (nlattr *)nla_data(nla), rem = nla_len(nla); \ - nla_ok(pos, rem); \ - pos = (nlattr *)nla_next(pos, &(rem))) - diff --git a/service/lib/gscan.cpp b/service/lib/gscan.cpp deleted file mode 100644 index 39cbce444..000000000 --- a/service/lib/gscan.cpp +++ /dev/null @@ -1,990 +0,0 @@ - -#include <stdint.h> -#include <fcntl.h> -#include <sys/socket.h> -#include <netlink/genl/genl.h> -#include <netlink/genl/family.h> -#include <netlink/genl/ctrl.h> -#include <linux/rtnetlink.h> -#include <netpacket/packet.h> -#include <linux/filter.h> -#include <linux/errqueue.h> - -#include <linux/pkt_sched.h> -#include <netlink/object-api.h> -#include <netlink/netlink.h> -#include <netlink/socket.h> -#include <netlink-types.h> - -#include "nl80211_copy.h" - -#include "sync.h" - -#define LOG_TAG "WifiHAL" - -#include <utils/Log.h> - -#include "wifi_hal.h" -#include "common.h" -#include "cpp_bindings.h" - -typedef enum { - BRCM_RESERVED1, - BRCM_RESERVED2, - GSCAN_EVENT_SIGNIFICANT_CHANGE_RESULTS , - GSCAN_EVENT_HOTLIST_RESULTS, - GSCAN_EVENT_SCAN_RESULTS_AVAILABLE, - -} GSCAN_EVENT; - -typedef enum { - - GSCAN_SUBCMD_GET_CAPABILITIES = ANDROID_NL80211_SUBCMD_GSCAN_RANGE_START, - - GSCAN_SUBCMD_SET_CONFIG, /* 0x1001 */ - - GSCAN_SUBCMD_SET_SCAN_CONFIG, /* 0x1002 */ - GSCAN_SUBCMD_ENABLE_GSCAN, /* 0x1003 */ - GSCAN_SUBCMD_GET_SCAN_RESULTS, /* 0x1004 */ - GSCAN_SUBCMD_SCAN_RESULTS, /* 0x1005 */ - - GSCAN_SUBCMD_SET_HOTLIST, /* 0x1006 */ - - GSCAN_SUBCMD_SET_SIGNIFICANT_CHANGE_CONFIG, /* 0x1007 */ - - /* Add more sub commands here */ - - GSCAN_SUBCMD_MAX /* 0x1008 */ - -} GSCAN_SUB_COMMAND; - -typedef enum { - - GSCAN_ATTRIBUTE_NUM_BUCKETS = 10, - GSCAN_ATTRIBUTE_BASE_PERIOD, - GSCAN_ATTRIBUTE_BUCKETS, - GSCAN_ATTRIBUTE_BUCKET_ID, - GSCAN_ATTRIBUTE_BUCKET_PERIOD, - GSCAN_ATTRIBUTE_BUCKET_NUM_CHANNELS, - GSCAN_ATTRIBUTE_BUCKET_CHANNELS, - GSCAN_ATTRIBUTE_NUM_AP_PER_SCAN, - GSCAN_ATTRIBUTE_REPORT_THRESHOLD, - GSCAN_ATTRIBUTE_NUM_SCANS_TO_CACHE, - - GSCAN_ATTRIBUTE_ENABLE_FEATURE = 20, - GSCAN_ATTRIBUTE_SCAN_RESULTS_COMPLETE, /* indicates no more results */ - GSCAN_ATTRIBUTE_FLUSH_FEATURE, /* Flush all the configs */ - - /* remaining reserved for additional attributes */ - GSCAN_ATTRIBUTE_NUM_OF_RESULTS = 30, - GSCAN_ATTRIBUTE_FLUSH_RESULTS, - GSCAN_ATTRIBUTE_SCAN_RESULTS, /* flat array of wifi_scan_result */ - GSCAN_ATTRIBUTE_SCAN_ID, /* indicates scan number */ - GSCAN_ATTRIBUTE_SCAN_FLAGS, /* indicates if scan was aborted */ - GSCAN_ATTRIBUTE_AP_FLAGS, /* flags on significant change event */ - - /* remaining reserved for additional attributes */ - - GSCAN_ATTRIBUTE_SSID = 40, - GSCAN_ATTRIBUTE_BSSID, - GSCAN_ATTRIBUTE_CHANNEL, - GSCAN_ATTRIBUTE_RSSI, - GSCAN_ATTRIBUTE_TIMESTAMP, - GSCAN_ATTRIBUTE_RTT, - GSCAN_ATTRIBUTE_RTTSD, - - /* remaining reserved for additional attributes */ - - GSCAN_ATTRIBUTE_HOTLIST_BSSIDS = 50, - GSCAN_ATTRIBUTE_RSSI_LOW, - GSCAN_ATTRIBUTE_RSSI_HIGH, - GSCAN_ATTRIBUTE_HOTLIST_ELEM, - GSCAN_ATTRIBUTE_HOTLIST_FLUSH, - - /* remaining reserved for additional attributes */ - GSCAN_ATTRIBUTE_RSSI_SAMPLE_SIZE = 60, - GSCAN_ATTRIBUTE_LOST_AP_SAMPLE_SIZE, - GSCAN_ATTRIBUTE_MIN_BREACHING, - GSCAN_ATTRIBUTE_SIGNIFICANT_CHANGE_BSSIDS, - GSCAN_ATTRIBUTE_SIGNIFICANT_CHANGE_FLUSH, - - GSCAN_ATTRIBUTE_MAX - -} GSCAN_ATTRIBUTE; - -///////////////////////////////////////////////////////////////////////////// - -class GetCapabilitiesCommand : public WifiCommand -{ - wifi_gscan_capabilities *mCapabilities; -public: - GetCapabilitiesCommand(wifi_interface_handle iface, wifi_gscan_capabilities *capabitlites) - : WifiCommand(iface, 0), mCapabilities(capabitlites) - { - memset(mCapabilities, 0, sizeof(*mCapabilities)); - } - - virtual int create() { - ALOGD("Creating message to get scan capablities; iface = %d", mIfaceInfo->id); - - int ret = mMsg.create(GOOGLE_OUI, GSCAN_SUBCMD_GET_CAPABILITIES); - if (ret < 0) { - return ret; - } - - return ret; - } - -protected: - virtual int handleResponse(WifiEvent& reply) { - - ALOGD("In GetCapabilities::handleResponse"); - - if (reply.get_cmd() != NL80211_CMD_VENDOR) { - ALOGD("Ignoring reply with cmd = %d", reply.get_cmd()); - return NL_SKIP; - } - - int id = reply.get_vendor_id(); - int subcmd = reply.get_vendor_subcmd(); - - ALOGD("Id = %0x, subcmd = %d", id, subcmd); - - void *data = reply.get_vendor_data(); - int len = reply.get_vendor_data_len(); - - if (len == sizeof(*mCapabilities)) { - ALOGE("Invalid reply length"); - memcpy(mCapabilities, data, len); - } else { - ALOGE("Invalid reply length: %d", len); - } - - return NL_OK; - } -}; - - -wifi_error wifi_get_gscan_capabilities(wifi_interface_handle handle, - wifi_gscan_capabilities *capabilities) -{ - GetCapabilitiesCommand command(handle, capabilities); - return (wifi_error) command.requestResponse(); -} - -///////////////////////////////////////////////////////////////////////////// - -/* helper functions */ - -static int parseScanResults(wifi_scan_result *results, int num, nlattr *attr) -{ - memset(results, 0, sizeof(wifi_scan_result) * num); - - int i = 0; - for (nl_iterator it(attr); it.has_next() && i < num; it.next(), i++) { - - int index = it.get_type(); - ALOGI("retrieved scan result %d", index); - nlattr *sc_data = (nlattr *) it.get_data(); - wifi_scan_result *result = results + i; - - for (nl_iterator it2(sc_data); it2.has_next(); it2.next()) { - int type = it2.get_type(); - if (type == GSCAN_ATTRIBUTE_SSID) { - strncpy(result->ssid, (char *) it2.get_data(), it2.get_len()); - result->ssid[it2.get_len()] = 0; - } else if (type == GSCAN_ATTRIBUTE_BSSID) { - memcpy(result->bssid, (byte *) it2.get_data(), sizeof(mac_addr)); - } else if (type == GSCAN_ATTRIBUTE_TIMESTAMP) { - result->ts = it2.get_u64(); - } else if (type == GSCAN_ATTRIBUTE_CHANNEL) { - result->ts = it2.get_u16(); - } else if (type == GSCAN_ATTRIBUTE_RSSI) { - result->rssi = it2.get_u8(); - } else if (type == GSCAN_ATTRIBUTE_RTT) { - result->rtt = it2.get_u64(); - } else if (type == GSCAN_ATTRIBUTE_RTTSD) { - result->rtt_sd = it2.get_u64(); - } - } - - } - - if (i >= num) { - ALOGE("Got too many results; skipping some"); - } - - return i; -} - -int createFeatureRequest(WifiRequest& request, int subcmd, int enable) { - - int result = request.create(GOOGLE_OUI, subcmd); - if (result < 0) { - return result; - } - - nlattr *data = request.attr_start(NL80211_ATTR_VENDOR_DATA); - result = request.put_u32(GSCAN_ATTRIBUTE_ENABLE_FEATURE, enable); - if (result < 0) { - return result; - } - - request.attr_end(data); - return WIFI_SUCCESS; -} - -///////////////////////////////////////////////////////////////////////////// - -class ScanCommand : public WifiCommand -{ - wifi_scan_cmd_params *mParams; - wifi_scan_result_handler mHandler; -public: - ScanCommand(wifi_interface_handle iface, int id, wifi_scan_cmd_params *params, - wifi_scan_result_handler handler) - : WifiCommand(iface, id), mParams(params), mHandler(handler) - { } - - int createSetupRequest(WifiRequest& request) { - int result = request.create(GOOGLE_OUI, GSCAN_SUBCMD_SET_CONFIG); - if (result < 0) { - return result; - } - - nlattr *data = request.attr_start(NL80211_ATTR_VENDOR_DATA); - result = request.put_u32(GSCAN_ATTRIBUTE_BASE_PERIOD, mParams->base_period); - if (result < 0) { - return result; - } - - result = request.put_u32(GSCAN_ATTRIBUTE_NUM_BUCKETS, mParams->num_buckets); - if (result < 0) { - return result; - } - - for (int i = 0; i < mParams->num_buckets; i++) { - nlattr * bucket = request.attr_start(i); // next bucket - result = request.put_u32(GSCAN_ATTRIBUTE_BUCKET_ID, mParams->buckets[i].bucket); - if (result < 0) { - return result; - } - result = request.put_u32(GSCAN_ATTRIBUTE_BUCKET_PERIOD, mParams->buckets[i].period); - if (result < 0) { - return result; - } - result = request.put_u32(GSCAN_ATTRIBUTE_BUCKET_NUM_CHANNELS, - mParams->buckets[i].num_channels); - if (result < 0) { - return result; - } - - nlattr *channels = request.attr_start(GSCAN_ATTRIBUTE_BUCKET_CHANNELS); - for (int j = 0; j < mParams->buckets[i].num_channels; j++) { - result = request.put_u32(j, mParams->buckets[i].channels[j].channel); - if (result < 0) { - return result; - } - } - - request.attr_end(channels); - request.attr_end(bucket); - } - - request.attr_end(data); - return WIFI_SUCCESS; - } - - int createScanConfigRequest(WifiRequest& request) { - int result = request.create(GOOGLE_OUI, GSCAN_SUBCMD_SET_SCAN_CONFIG); - if (result < 0) { - return result; - } - - nlattr *data = request.attr_start(NL80211_ATTR_VENDOR_DATA); - result = request.put_u32(GSCAN_ATTRIBUTE_NUM_AP_PER_SCAN, mParams->max_ap_per_scan); - if (result < 0) { - return result; - } - - result = request.put_u32(GSCAN_ATTRIBUTE_REPORT_THRESHOLD, mParams->report_threshold); - if (result < 0) { - return result; - } - - result = request.put_u32(GSCAN_ATTRIBUTE_NUM_SCANS_TO_CACHE, 3); - if (result < 0) { - return result; - } - - request.attr_end(data); - return WIFI_SUCCESS; - } - - int createStartRequest(WifiRequest& request) { - return createFeatureRequest(request, GSCAN_SUBCMD_ENABLE_GSCAN, 1); - } - - int createStopRequest(WifiRequest& request) { - return createFeatureRequest(request, GSCAN_SUBCMD_ENABLE_GSCAN, 0); - } - - int start() { - ALOGD("Setting configuration"); - WifiRequest request(familyId(), ifaceId()); - int result = createSetupRequest(request); - if (result != WIFI_SUCCESS) { - ALOGE("failed to create setup request; result = %d", result); - return result; - } - - result = requestResponse(request); - if (result != WIFI_SUCCESS) { - ALOGE("failed to configure setup; result = %d", result); - return result; - } - - request.destroy(); - - result = createScanConfigRequest(request); - if (result != WIFI_SUCCESS) { - ALOGE("failed to create scan config request; result = %d", result); - return result; - } - - result = requestResponse(request); - if (result != WIFI_SUCCESS) { - ALOGE("failed to configure scan; result = %d", result); - return result; - } - - ALOGD("Starting scan"); - - result = createStartRequest(request); - if (result != WIFI_SUCCESS) { - ALOGE("failed to create start request; result = %d", result); - return result; - } - - registerVendorHandler(GOOGLE_OUI, GSCAN_EVENT_SCAN_RESULTS_AVAILABLE); - - result = requestResponse(request); - if (result != WIFI_SUCCESS) { - ALOGE("failed to start scan; result = %d", result); - unregisterVendorHandler(GOOGLE_OUI, GSCAN_EVENT_SCAN_RESULTS_AVAILABLE); - return result; - } - - return result; - } - - virtual int cancel() { - ALOGD("Stopping scan"); - - WifiRequest request(familyId(), ifaceId()); - int result = createStopRequest(request); - if (result != WIFI_SUCCESS) { - ALOGE("failed to create stop request; result = %d", result); - } else { - result = requestResponse(request); - if (result != WIFI_SUCCESS) { - ALOGE("failed to stop scan; result = %d", result); - } - } - - unregisterVendorHandler(GOOGLE_OUI, GSCAN_EVENT_SCAN_RESULTS_AVAILABLE); - return WIFI_SUCCESS; - } - - virtual int handleResponse(WifiEvent& reply) { - /* Nothing to do on response! */ - return NL_SKIP; - } - - virtual int handleEvent(WifiEvent& event) { - ALOGI("Got a scan results event"); - - event.log(); - - nlattr *vendor_data = event.get_attribute(NL80211_ATTR_VENDOR_DATA); - int len = event.get_vendor_data_len(); - - if (vendor_data == NULL || len != 4) { - ALOGI("No scan results found"); - return NL_SKIP; - } - - int num = event.get_u32(NL80211_ATTR_VENDOR_DATA); - ALOGI("Found %d scan results", num); - (*mHandler.on_scan_results_available)(id(), num); - return NL_SKIP; - } -}; - -wifi_error wifi_start_gscan( - wifi_request_id id, - wifi_interface_handle iface, - wifi_scan_cmd_params params, - wifi_scan_result_handler handler) -{ - wifi_handle handle = getWifiHandle(iface); - - ALOGD("Starting GScan, halHandle = %p", handle); - - ScanCommand *cmd = new ScanCommand(iface, id, ¶ms, handler); - wifi_register_cmd(handle, id, cmd); - return (wifi_error)cmd->start(); -} - -wifi_error wifi_stop_gscan(wifi_request_id id, wifi_interface_handle iface) -{ - ALOGD("Stopping GScan"); - wifi_handle handle = getWifiHandle(iface); - - WifiCommand *cmd = wifi_unregister_cmd(handle, id); - if (cmd) { - cmd->cancel(); - delete cmd; - return WIFI_SUCCESS; - } - - return WIFI_ERROR_INVALID_ARGS; -} - -///////////////////////////////////////////////////////////////////////////// - -class GetScanResultsCommand : public WifiCommand { - wifi_scan_result *mResults; - int *mNum; - int mRetrieved; - byte mFlush; - int mCompleted; -public: - GetScanResultsCommand(wifi_interface_handle iface, byte flush, - wifi_scan_result *results, int *num) - : WifiCommand(iface, -1), mResults(results), mNum(num), - mRetrieved(0), mFlush(flush), mCompleted(0) - { } - - int createRequest(WifiRequest& request, int num, byte flush) { - int result = request.create(GOOGLE_OUI, GSCAN_SUBCMD_GET_SCAN_RESULTS); - if (result < 0) { - return result; - } - - nlattr *data = request.attr_start(NL80211_ATTR_VENDOR_DATA); - result = request.put_u32(GSCAN_ATTRIBUTE_NUM_OF_RESULTS, num); - if (result < 0) { - return result; - } - - result = request.put_u8(GSCAN_ATTRIBUTE_FLUSH_RESULTS, flush); - if (result < 0) { - return result; - } - - request.attr_end(data); - return WIFI_SUCCESS; - } - - int execute() { - WifiRequest request(familyId(), ifaceId()); - ALOGI("retrieving %d scan results", *mNum); - - for (int i = 0; i < 10 && mRetrieved < *mNum; i++) { - int result = createRequest(request, (*mNum - mRetrieved), mFlush); - if (result < 0) { - ALOGE("failed to create request"); - return result; - } - - int prev_retrieved = mRetrieved; - - result = requestResponse(request); - - if (result != WIFI_SUCCESS) { - ALOGE("failed to retrieve scan results; result = %d", result); - return result; - } - - if (mRetrieved == prev_retrieved || mCompleted) { - /* no more items left to retrieve */ - break; - } - - request.destroy(); - } - - ALOGE("GetScanResults read %d results", mRetrieved); - *mNum = mRetrieved; - return WIFI_SUCCESS; - } - - virtual int handleResponse(WifiEvent& reply) { - ALOGD("In GetScanResultsCommand::handleResponse"); - - if (reply.get_cmd() != NL80211_CMD_VENDOR) { - ALOGD("Ignoring reply with cmd = %d", reply.get_cmd()); - return NL_SKIP; - } - - int id = reply.get_vendor_id(); - int subcmd = reply.get_vendor_subcmd(); - - ALOGD("Id = %0x, subcmd = %d", id, subcmd); - - /* - if (subcmd != GSCAN_SUBCMD_SCAN_RESULTS) { - ALOGE("Invalid response to GetScanResultsCommand; ignoring it"); - return NL_SKIP; - } - */ - - nlattr *vendor_data = reply.get_attribute(NL80211_ATTR_VENDOR_DATA); - int len = reply.get_vendor_data_len(); - - if (vendor_data == NULL || len == 0) { - ALOGE("no vendor data in GetScanResults response; ignoring it"); - return NL_SKIP; - } - - for (nl_iterator it(vendor_data); it.has_next(); it.next()) { - if (it.get_type() == GSCAN_ATTRIBUTE_SCAN_RESULTS_COMPLETE) { - mCompleted = it.get_u8(); - ALOGI("retrieved mCompleted flag : %d", mCompleted); - } else if (it.get_type() == GSCAN_ATTRIBUTE_SCAN_RESULTS || it.get_type() == 0) { - for (nl_iterator it2(it.get()); it2.has_next(); it2.next()) { - int scan_id = 0, flags = 0, num = 0; - if (it2.get_type() == GSCAN_ATTRIBUTE_SCAN_ID) { - scan_id = it.get_u32(); - } else if (it2.get_type() == GSCAN_ATTRIBUTE_SCAN_FLAGS) { - flags = it.get_u8(); - } else if (it2.get_type() == GSCAN_ATTRIBUTE_NUM_OF_RESULTS) { - num = it2.get_u32(); - } else if (it2.get_type() == GSCAN_ATTRIBUTE_SCAN_RESULTS) { - num = it2.get_len() / sizeof(wifi_scan_result); - num = min(*mNum - mRetrieved, num); - memcpy(mResults + mRetrieved, it2.get_data(), - sizeof(wifi_scan_result) * num); - ALOGI("Retrieved %d scan results", num); - wifi_scan_result *results = (wifi_scan_result *)it2.get_data(); - for (int i = 0; i < num; i++) { - wifi_scan_result *result = results + i; - ALOGI("%02d %-32s %02x:%02x:%02x:%02x:%02x:%02x", i, - result->ssid, result->bssid[0], result->bssid[1], result->bssid[2], - result->bssid[3], result->bssid[4], result->bssid[5]); - } - mRetrieved += num; - } else { - ALOGW("Ignoring invalid attribute type = %d, size = %d", - it.get_type(), it.get_len()); - } - } - } else { - ALOGW("Ignoring invalid attribute type = %d, size = %d", - it.get_type(), it.get_len()); - } - } - - return NL_OK; - } -}; - -wifi_error wifi_get_cached_gscan_results(wifi_interface_handle iface, byte flush, - wifi_scan_result *results, int *num) { - - ALOGD("Getting cached scan results, iface handle = %p, num = %d", iface, *num); - - GetScanResultsCommand *cmd = new GetScanResultsCommand(iface, flush, results, num); - return (wifi_error)cmd->execute(); -} - -///////////////////////////////////////////////////////////////////////////// - -class BssidHotlistCommand : public WifiCommand -{ -private: - wifi_bssid_hotlist_params mParams; - wifi_hotlist_ap_found_handler mHandler; - static const int MAX_RESULTS = 64; - wifi_scan_result mResults[MAX_RESULTS]; -public: - BssidHotlistCommand(wifi_interface_handle handle, int id, - wifi_bssid_hotlist_params params, wifi_hotlist_ap_found_handler handler) - : WifiCommand(handle, id), mParams(params), mHandler(handler) - { } - - int createSetupRequest(WifiRequest& request) { - int result = request.create(GOOGLE_OUI, GSCAN_SUBCMD_SET_HOTLIST); - if (result < 0) { - return result; - } - - nlattr *data = request.attr_start(NL80211_ATTR_VENDOR_DATA); - result = request.put_u8(GSCAN_ATTRIBUTE_HOTLIST_FLUSH, 1); - if (result < 0) { - return result; - } - - struct nlattr * attr = request.attr_start(GSCAN_ATTRIBUTE_HOTLIST_BSSIDS); - for (int i = 0; i < mParams.num; i++) { - nlattr *attr2 = request.attr_start(GSCAN_ATTRIBUTE_HOTLIST_ELEM); - if (attr2 == NULL) { - return WIFI_ERROR_OUT_OF_MEMORY; - } - result = request.put_addr(GSCAN_ATTRIBUTE_BSSID, mParams.bssids[i].bssid); - if (result < 0) { - return result; - } - result = request.put_u8(GSCAN_ATTRIBUTE_RSSI_HIGH, mParams.bssids[i].high); - if (result < 0) { - return result; - } - result = request.put_u8(GSCAN_ATTRIBUTE_RSSI_LOW, mParams.bssids[i].low); - if (result < 0) { - return result; - } - request.attr_end(attr2); - } - - request.attr_end(attr); - request.attr_end(data); - return result; - } - - int createTeardownRequest(WifiRequest& request) { - int result = request.create(GOOGLE_OUI, GSCAN_SUBCMD_SET_HOTLIST); - if (result < 0) { - return result; - } - - nlattr *data = request.attr_start(NL80211_ATTR_VENDOR_DATA); - result = request.put_u8(GSCAN_ATTRIBUTE_HOTLIST_FLUSH, 1); - if (result < 0) { - return result; - } - - struct nlattr * attr = request.attr_start(GSCAN_ATTRIBUTE_HOTLIST_BSSIDS); - request.attr_end(attr); - request.attr_end(data); - return result; - } - - int start() { - ALOGI("Executing hotlist setup request, num = %d", mParams.num); - WifiRequest request(familyId(), ifaceId()); - int result = createSetupRequest(request); - if (result < 0) { - return result; - } - - result = requestResponse(request); - if (result < 0) { - ALOGI("Failed to execute hotlist setup request, result = %d", result); - unregisterVendorHandler(GOOGLE_OUI, GSCAN_EVENT_HOTLIST_RESULTS); - return result; - } - - ALOGI("Successfully set %d APs in the hotlist", mParams.num); - result = createFeatureRequest(request, GSCAN_SUBCMD_ENABLE_GSCAN, 1); - if (result < 0) { - return result; - } - - registerVendorHandler(GOOGLE_OUI, GSCAN_EVENT_HOTLIST_RESULTS); - - result = requestResponse(request); - if (result < 0) { - unregisterVendorHandler(GOOGLE_OUI, GSCAN_EVENT_HOTLIST_RESULTS); - return result; - } - - ALOGI("successfully restarted the scan"); - return result; - } - - virtual int cancel() { - /* unregister event handler */ - unregisterVendorHandler(GOOGLE_OUI, GSCAN_EVENT_HOTLIST_RESULTS); - - /* create set hotlist message with empty hotlist */ - WifiRequest request(familyId(), ifaceId()); - int result = createTeardownRequest(request); - if (result < 0) { - return result; - } - - result = requestResponse(request); - if (result < 0) { - return result; - } - - ALOGI("Successfully reset APs in current hotlist"); - return result; - } - - virtual int handleResponse(WifiEvent& reply) { - /* Nothing to do on response! */ - return NL_SKIP; - } - - virtual int handleEvent(WifiEvent& event) { - ALOGI("Got a hotlist ap found event"); - - event.log(); - - nlattr *vendor_data = event.get_attribute(NL80211_ATTR_VENDOR_DATA); - int len = event.get_vendor_data_len(); - - if (vendor_data == NULL || len == 0) { - ALOGI("No scan results found"); - return NL_SKIP; - } - - memset(mResults, 0, sizeof(wifi_scan_result) * MAX_RESULTS); - - int num = len / sizeof(wifi_scan_result); - num = min(MAX_RESULTS, num); - memcpy(mResults, event.get_vendor_data(), num * sizeof(wifi_scan_result)); - ALOGI("Retrieved %d hot APs", num); - - (*mHandler.on_hotlist_ap_found)(id(), num, mResults); - return NL_SKIP; - } -}; - -wifi_error wifi_set_bssid_hotlist(wifi_request_id id, wifi_interface_handle iface, - wifi_bssid_hotlist_params params, wifi_hotlist_ap_found_handler handler) -{ - wifi_handle handle = getWifiHandle(iface); - - BssidHotlistCommand *cmd = new BssidHotlistCommand(iface, id, params, handler); - wifi_register_cmd(handle, id, cmd); - return (wifi_error)cmd->start(); -} - -wifi_error wifi_reset_bssid_hotlist(wifi_request_id id, wifi_interface_handle iface) -{ - wifi_handle handle = getWifiHandle(iface); - - WifiCommand *cmd = wifi_unregister_cmd(handle, id); - if (cmd) { - cmd->cancel(); - delete cmd; - return WIFI_SUCCESS; - } - - return WIFI_ERROR_INVALID_ARGS; -} - - -///////////////////////////////////////////////////////////////////////////// - -class SignificantWifiChangeCommand : public WifiCommand -{ -private: - wifi_significant_change_params mParams; - wifi_significant_change_handler mHandler; - static const int MAX_RESULTS = 64; - wifi_scan_result mResults[MAX_RESULTS]; -public: - SignificantWifiChangeCommand(wifi_interface_handle handle, int id, - wifi_significant_change_params params, wifi_significant_change_handler handler) - : WifiCommand(handle, id), mParams(params), mHandler(handler) - { } - - int createSetupRequest(WifiRequest& request) { - int result = request.create(GOOGLE_OUI, GSCAN_SUBCMD_SET_SIGNIFICANT_CHANGE_CONFIG); - if (result < 0) { - return result; - } - - nlattr *data = request.attr_start(NL80211_ATTR_VENDOR_DATA); - result = request.put_u8(GSCAN_ATTRIBUTE_SIGNIFICANT_CHANGE_FLUSH, 1); - if (result < 0) { - return result; - } - result = request.put_u16(GSCAN_ATTRIBUTE_RSSI_SAMPLE_SIZE, mParams.rssi_sample_size); - if (result < 0) { - return result; - } - result = request.put_u16(GSCAN_ATTRIBUTE_LOST_AP_SAMPLE_SIZE, mParams.lost_ap_sample_size); - if (result < 0) { - return result; - } - result = request.put_u16(GSCAN_ATTRIBUTE_MIN_BREACHING, mParams.min_breaching); - if (result < 0) { - return result; - } - - struct nlattr * attr = request.attr_start(GSCAN_ATTRIBUTE_SIGNIFICANT_CHANGE_BSSIDS); - - for (int i = 0; i < mParams.num; i++) { - - nlattr *attr2 = request.attr_start(i); - if (attr2 == NULL) { - return WIFI_ERROR_OUT_OF_MEMORY; - } - result = request.put_addr(GSCAN_ATTRIBUTE_BSSID, mParams.bssids[i].bssid); - if (result < 0) { - return result; - } - result = request.put_u8(GSCAN_ATTRIBUTE_RSSI_HIGH, mParams.bssids[i].high); - if (result < 0) { - return result; - } - result = request.put_u8(GSCAN_ATTRIBUTE_RSSI_LOW, mParams.bssids[i].low); - if (result < 0) { - return result; - } - request.attr_end(attr2); - } - - request.attr_end(attr); - request.attr_end(data); - - return result; - } - - int createTeardownRequest(WifiRequest& request) { - int result = request.create(GOOGLE_OUI, GSCAN_SUBCMD_SET_SIGNIFICANT_CHANGE_CONFIG); - if (result < 0) { - return result; - } - - nlattr *data = request.attr_start(NL80211_ATTR_VENDOR_DATA); - result = request.put_u16(GSCAN_ATTRIBUTE_SIGNIFICANT_CHANGE_FLUSH, 1); - if (result < 0) { - return result; - } - - request.attr_end(data); - return result; - } - - int start() { - ALOGI("Set significant wifi change config"); - WifiRequest request(familyId(), ifaceId()); - - int result = createSetupRequest(request); - if (result < 0) { - return result; - } - - WifiEvent e(request.getMessage()); - e.log(); - - result = requestResponse(request); - if (result < 0) { - ALOGI("failed to set significant wifi change config %d", result); - return result; - } - - ALOGI("successfully set significant wifi change config"); - - result = createFeatureRequest(request, GSCAN_SUBCMD_ENABLE_GSCAN, 1); - if (result < 0) { - return result; - } - - registerVendorHandler(GOOGLE_OUI, GSCAN_EVENT_SIGNIFICANT_CHANGE_RESULTS); - - result = requestResponse(request); - if (result < 0) { - unregisterVendorHandler(GOOGLE_OUI, GSCAN_EVENT_SIGNIFICANT_CHANGE_RESULTS); - return result; - } - - ALOGI("successfully restarted the scan"); - return result; - } - - virtual int cancel() { - /* unregister event handler */ - unregisterVendorHandler(GOOGLE_OUI, GSCAN_EVENT_SIGNIFICANT_CHANGE_RESULTS); - - /* create set significant change monitor message with empty hotlist */ - WifiRequest request(familyId(), ifaceId()); - - int result = createTeardownRequest(request); - if (result < 0) { - return result; - } - - result = requestResponse(request); - if (result < 0) { - return result; - } - - ALOGI("successfully reset significant wifi change config"); - return result; - } - - virtual int handleResponse(WifiEvent& reply) { - /* Nothing to do on response! */ - return NL_SKIP; - } - - virtual int handleEvent(WifiEvent& event) { - ALOGI("Got a significant wifi change event"); - - nlattr *vendor_data = event.get_attribute(NL80211_ATTR_VENDOR_DATA); - int len = event.get_vendor_data_len(); - - if (vendor_data == NULL || len == 0) { - ALOGI("No scan results found"); - return NL_SKIP; - } - - typedef struct { - uint16_t flags; - uint16_t channel; - mac_addr bssid; - byte rssi_history[8]; - } ChangeInfo; - - int num = min(len / sizeof(ChangeInfo), MAX_RESULTS); - ChangeInfo *ci = (ChangeInfo *)event.get_vendor_data(); - - for (int i = 0; i < num; i++) { - memcpy(mResults[i].bssid, ci[i].bssid, sizeof(mac_addr)); - mResults[i].rssi = ci[i].rssi_history[7]; - mResults[i].channel = ci[i].channel; - } - - ALOGI("Retrieved %d scan results", num); - - if (num != 0) { - (*mHandler.on_significant_change)(id(), num, mResults); - } else { - ALOGW("No significant change reported"); - } - - return NL_SKIP; - } -}; - -wifi_error wifi_set_significant_change_handler(wifi_request_id id, wifi_interface_handle iface, - wifi_significant_change_params params, wifi_significant_change_handler handler) -{ - wifi_handle handle = getWifiHandle(iface); - - SignificantWifiChangeCommand *cmd = new SignificantWifiChangeCommand( - iface, id, params, handler); - wifi_register_cmd(handle, id, cmd); - return (wifi_error)cmd->start(); -} - -wifi_error wifi_reset_significant_change_handler(wifi_request_id id, wifi_interface_handle iface) -{ - wifi_handle handle = getWifiHandle(iface); - - WifiCommand *cmd = wifi_unregister_cmd(handle, id); - if (cmd) { - cmd->cancel(); - delete cmd; - return WIFI_SUCCESS; - } - - return WIFI_ERROR_INVALID_ARGS; -} diff --git a/service/lib/gscan.h b/service/lib/gscan.h deleted file mode 100644 index e0e983a28..000000000 --- a/service/lib/gscan.h +++ /dev/null @@ -1,125 +0,0 @@ - -#include "wifi_hal.h" - -#ifndef __WIFI_HAL_GSCAN_H__ -#define __WIFI_HAL_GSCAN_H__ - -/* AP Scans */ - -typedef enum { - WIFI_BAND_UNSPECIFIED, - WIFI_BAND_BG, // 2.4 GHz - WIFI_BAND_A, // 5 GHz without DFS - WIFI_BAND_A_WITH_DFS, // 5 GHz with DFS - WIFI_BAND_ABG, // 2.4 GHz + 5 GHz; no DFS - WIFI_BAND_ABG_WITH_DFS, // 2.4 GHz + 5 GHz with DFS -} wifi_band; - -wifi_error wifi_get_valid_channels(wifi_interface_handle handle, - int band, int size, wifi_channel *channels, int *num); - -typedef struct { - int max_scan_cache_size; // in number of scan results?? - int max_scan_buckets; - int max_ap_cache_per_scan; - int max_rssi_sample_size; - int max_scan_reporting_threshold; // in number of scan results?? - int max_hotlist_aps; - int max_significant_wifi_change_aps; -} wifi_gscan_capabilities; - -wifi_error wifi_get_gscan_capabilities(wifi_interface_handle handle, - wifi_gscan_capabilities *capabilities); - -typedef struct { - wifi_timestamp ts; // Time of discovery - char ssid[32+1]; // null terminated - mac_addr bssid; - wifi_channel channel; // channel frequency in MHz - wifi_rssi rssi; // in db - wifi_timespan rtt; // in nanoseconds - wifi_timespan rtt_sd; // standard deviation in rtt - - // other fields -} wifi_scan_result; - -typedef struct { - void (*on_scan_results_available) (wifi_request_id id, unsigned num_results_available); -} wifi_scan_result_handler; - -typedef struct { - wifi_channel channel; // frequency - int dwellTimeMs; // dwell time hint - int passive; // 0 => active, 1 => passive scan; ignored for DFS - /* Add channel class */ -} wifi_scan_channel_spec; - -typedef struct { - int bucket; // bucket index, 0 based - wifi_band band; // when UNSPECIFIED, use channel list - int period; // desired period, in millisecond; if this is too - // low, the firmware should choose to generate results as - // fast as it can instead of failing the command - byte report_events; // 1 => report events after each scan - int num_channels; - wifi_scan_channel_spec channels[8]; // channels to scan; these may include DFS channels -} wifi_scan_bucket_spec; - -typedef struct { - int base_period; // base timer period in ms - int max_ap_per_scan; - int report_threshold; // in %, when buffer is this much full, wake up AP - int num_buckets; // maximum 8 - wifi_scan_bucket_spec buckets[8]; -} wifi_scan_cmd_params; - -wifi_error wifi_start_gscan(wifi_request_id id, wifi_interface_handle iface, - wifi_scan_cmd_params params, wifi_scan_result_handler handler); -wifi_error wifi_stop_gscan(wifi_request_id id, wifi_interface_handle iface); - -wifi_error wifi_get_cached_gscan_results(wifi_interface_handle iface, byte flush, - wifi_scan_result *results, int *num); - - -/* BSSID Hotlist */ -typedef struct { - void (*on_hotlist_ap_found)(wifi_request_id id, - unsigned num_results, wifi_scan_result *results); -} wifi_hotlist_ap_found_handler; - -typedef struct { - mac_addr bssid; // AP BSSID - wifi_rssi low; // low threshold - wifi_rssi high; // high threshold -} ap_threshold_param; - -typedef struct { - int num; // max?? - ap_threshold_param bssids[64]; -} wifi_bssid_hotlist_params; - -wifi_error wifi_set_bssid_hotlist(wifi_request_id id, wifi_interface_handle iface, - wifi_bssid_hotlist_params params, wifi_hotlist_ap_found_handler handler); -wifi_error wifi_reset_bssid_hotlist(wifi_request_id id, wifi_interface_handle iface); - -/* Significant wifi change*/ - -typedef struct { - void (*on_significant_change)(wifi_request_id id, - unsigned num_results, wifi_scan_result *results); -} wifi_significant_change_handler; - -typedef struct { - int rssi_sample_size; // number of samples for averaging RSSI - int lost_ap_sample_size; // number of samples to confirm AP loss - int min_breaching; // number of APs breaching threshold - int num; // max 64 - ap_threshold_param bssids[64]; -} wifi_significant_change_params; - -wifi_error wifi_set_significant_change_handler(wifi_request_id id, wifi_interface_handle iface, - wifi_significant_change_params params, wifi_significant_change_handler handler); -wifi_error wifi_reset_significant_change_handler(wifi_request_id id, wifi_interface_handle iface); - -#endif - diff --git a/service/lib/rtt.h b/service/lib/rtt.h deleted file mode 100644 index 143b2dd03..000000000 --- a/service/lib/rtt.h +++ /dev/null @@ -1,64 +0,0 @@ - -#include "wifi_hal.h" - -#ifndef __WIFI_HAL_RTT_H__ -#define __WIFI_HAL_RTT_H__ - -/* RTT */ - -/* Type */ - -#define RTT_TYPE_RTS_CTS 1 -#define RTT_TYPE_NULL_ACK 2 -#define RTT_TYPE_3 3 // This is required for D2D RTT - -typedef struct { - int type; // One of RTT_TYPE_ values - byte token[16]; // Local token to be published in rtt service info - wifi_channel primary; // Use primary when it doesn't conflict with infra - wifi_channel secondary; // Use secondary when primary conflicts with infra - wifi_timespan offset_from_dw_timestamp; // Time offset to go to primary or secondary channel - char rtt_service_name[32]; // Service name to use - byte rtt_servic_info[256]; // Blob to publish in service info -} RttConfig; - -typedef struct { - void (*on_device_ranged)(wifi_request_id id, mac_addr addr, byte token[16], wifi_timespan ts); - void (*on_failed)(wifi_request_id id, wifi_error reason); -} wifi_rtt_event_handler; - -/* Enable rtt - publishes a service advertising RTT; and starts playing - * two phase nXn RTT protocol. To stop it, use wifi_disable_rtt */ - -wifi_error wifi_enable_rtt(wifi_request_id id, wifi_interface_handle iface, RttConfig config, - wifi_rtt_event_handler handler); -wifi_error wifi_disable_rtt(wifi_request_id id); - -/* RTT Hotlist */ - -typedef struct { - byte token[16]; - int64_t max_rtt_timespan; -} wifi_rtt_hotlist_criterion; - -typedef struct { - void (*on_token_found)(wifi_request_id id, byte token[16], wifi_timespan ts); -} wifi_rtt_hotlist_event_handler; - -wifi_error wifi_set_rtt_hotlist(wifi_request_id id, wifi_interface_handle iface, int num_criteria, - wifi_rtt_hotlist_criterion *criteria, wifi_rtt_hotlist_event_handler handler); -wifi_error wifi_reset_rtt_hotlist(wifi_request_id id); - -/* single shot RTT (Device to AP??) */ - -typedef struct { - void (*on_succeeded) (wifi_request_id id, wifi_timestamp ts); - void (*on_failed) (wifi_request_id id, wifi_error reason); -} IRttEventHandler; - -wifi_error wifi_rtt_request_range(wifi_request_id id, wifi_interface_handle iface, mac_addr addr, - RttConfig config, int continuous, IRttEventHandler *handler); -void wifi_rtt_cancel_range_request(wifi_request_id id); - -#endif - diff --git a/service/lib/sync.h b/service/lib/sync.h deleted file mode 100644 index cea2ea933..000000000 --- a/service/lib/sync.h +++ /dev/null @@ -1,54 +0,0 @@ - -#include <pthread.h> - -#ifndef __WIFI_HAL_SYNC_H__ -#define __WIFI_HAL_SYNC_H__ - -class Mutex -{ -private: - pthread_mutex_t mMutex; -public: - Mutex() { - pthread_mutex_init(&mMutex, NULL); - } - ~Mutex() { - pthread_mutex_destroy(&mMutex); - } - int tryLock() { - return pthread_mutex_trylock(&mMutex); - } - int lock() { - return pthread_mutex_lock(&mMutex); - } - void unlock() { - pthread_mutex_unlock(&mMutex); - } -}; - -class Condition -{ -private: - pthread_cond_t mCondition; - pthread_mutex_t mMutex; - -public: - Condition() { - pthread_mutex_init(&mMutex, NULL); - pthread_cond_init(&mCondition, NULL); - } - ~Condition() { - pthread_cond_destroy(&mCondition); - pthread_mutex_destroy(&mMutex); - } - - int wait() { - return pthread_cond_wait(&mCondition, &mMutex); - } - - void signal() { - pthread_cond_signal(&mCondition); - } -}; - -#endif
\ No newline at end of file diff --git a/service/lib/wifi_hal.cpp b/service/lib/wifi_hal.cpp index 238cc3d98..cb09a7279 100644 --- a/service/lib/wifi_hal.cpp +++ b/service/lib/wifi_hal.cpp @@ -1,494 +1,86 @@ - #include <stdint.h> -#include <fcntl.h> -#include <sys/socket.h> -#include <netlink/genl/genl.h> -#include <netlink/genl/family.h> -#include <netlink/genl/ctrl.h> -#include <linux/rtnetlink.h> -#include <netpacket/packet.h> -#include <linux/filter.h> -#include <linux/errqueue.h> - -#include <linux/pkt_sched.h> -#include <netlink/object-api.h> -#include <netlink/netlink.h> -#include <netlink/socket.h> -#include <netlink/attr.h> -#include <netlink/handlers.h> -#include <netlink/msg.h> - -#include "nl80211_copy.h" - -#include <dirent.h> -#include <net/if.h> - -#include "sync.h" - -#define LOG_TAG "WifiHAL" - -#include <utils/Log.h> - #include "wifi_hal.h" -#include "common.h" -#include "cpp_bindings.h" - -/* - BUGBUG: normally, libnl allocates ports for all connections it makes; but - being a static library, it doesn't really know how many other netlink connections - are made by the same process, if connections come from different shared libraries. - These port assignments exist to solve that problem - temporarily. We need to fix - libnl to try and allocate ports across the entire process. - */ - -#define WIFI_HAL_CMD_SOCK_PORT 644 -#define WIFI_HAL_EVENT_SOCK_PORT 645 -static void internal_event_handler(wifi_handle handle, int events); -static int internal_valid_message_handler(nl_msg *msg, void *arg); -static int wifi_get_multicast_id(wifi_handle handle, const char *name, const char *group); -static int wifi_add_membership(wifi_handle handle, const char *group); -static wifi_error wifi_init_interfaces(wifi_handle handle); - -/* Initialize/Cleanup */ - -void wifi_socket_set_local_port(struct nl_sock *sock, uint32_t port) -{ - uint32_t pid = getpid() & 0x3FFFFF; - nl_socket_set_local_port(sock, pid + (port << 22)); +wifi_error wifi_initialize(wifi_handle *handle) { + return WIFI_ERROR_NOT_SUPPORTED; } -static nl_sock * wifi_create_nl_socket(int port) -{ - // ALOGI("Creating socket"); - struct nl_sock *sock = nl_socket_alloc(); - if (sock == NULL) { - ALOGE("Could not create handle"); - return NULL; - } - - wifi_socket_set_local_port(sock, port); - - // ALOGI("Connecting socket"); - if (nl_connect(sock, NETLINK_GENERIC)) { - ALOGE("Could not connect handle"); - nl_socket_free(sock); - return NULL; - } - - // ALOGI("Making socket nonblocking"); - /* - if (nl_socket_set_nonblocking(sock)) { - ALOGE("Could make socket non-blocking"); - nl_socket_free(sock); - return NULL; - } - */ - - return sock; +void wifi_cleanup(wifi_handle handle, wifi_cleaned_up_handler handler) { } -wifi_error wifi_initialize(wifi_handle *handle) -{ - srand(getpid()); - - ALOGI("Initializing wifi"); - hal_info *info = (hal_info *)malloc(sizeof(hal_info)); - if (info == NULL) { - ALOGE("Could not allocate hal_info"); - return WIFI_ERROR_UNKNOWN; - } - - memset(info, 0, sizeof(*info)); - - ALOGI("Creating socket"); - struct nl_sock *cmd_sock = wifi_create_nl_socket(WIFI_HAL_CMD_SOCK_PORT); - if (cmd_sock == NULL) { - ALOGE("Could not create handle"); - return WIFI_ERROR_UNKNOWN; - } - - struct nl_sock *event_sock = wifi_create_nl_socket(WIFI_HAL_EVENT_SOCK_PORT); - if (event_sock == NULL) { - ALOGE("Could not create handle"); - nl_socket_free(cmd_sock); - return WIFI_ERROR_UNKNOWN; - } +void wifi_event_loop(wifi_handle handle) { - struct nl_cb *cb = nl_socket_get_cb(event_sock); - if (cb == NULL) { - ALOGE("Could not create handle"); - return WIFI_ERROR_UNKNOWN; - } - - // ALOGI("cb->refcnt = %d", cb->cb_refcnt); - nl_cb_set(cb, NL_CB_VALID, NL_CB_CUSTOM, internal_valid_message_handler, info); - nl_cb_put(cb); - - info->cmd_sock = cmd_sock; - info->event_sock = event_sock; - info->clean_up = false; - info->in_event_loop = false; - - info->event_cb = (cb_info *)malloc(sizeof(cb_info) * DEFAULT_EVENT_CB_SIZE); - info->alloc_event_cb = DEFAULT_EVENT_CB_SIZE; - info->num_event_cb = 0; - - info->cmd = (cmd_info *)malloc(sizeof(cmd_info) * DEFAULT_CMD_SIZE); - info->alloc_cmd = DEFAULT_CMD_SIZE; - info->num_cmd = 0; - - info->nl80211_family_id = genl_ctrl_resolve(cmd_sock, "nl80211"); - if (info->nl80211_family_id < 0) { - ALOGE("Could not resolve nl80211 familty id"); - nl_socket_free(cmd_sock); - nl_socket_free(event_sock); - free(info); - return WIFI_ERROR_UNKNOWN; - } - - *handle = (wifi_handle) info; - - wifi_add_membership(*handle, "scan"); - wifi_add_membership(*handle, "mlme"); - wifi_add_membership(*handle, "regulatory"); - wifi_add_membership(*handle, "vendor"); - - wifi_init_interfaces(*handle); - // ALOGI("Found %d interfaces", info->num_interfaces); - - ALOGI("Initialized Wifi HAL Successfully; vendor cmd = %d", NL80211_CMD_VENDOR); - return WIFI_SUCCESS; } -static int wifi_add_membership(wifi_handle handle, const char *group) -{ - hal_info *info = getHalInfo(handle); - - int id = wifi_get_multicast_id(handle, "nl80211", group); - if (id < 0) { - ALOGE("Could not find group %s", group); - return id; - } - - int ret = nl_socket_add_membership(info->event_sock, id); - if (ret < 0) { - ALOGE("Could not add membership to group %s", group); - } - - // ALOGI("Successfully added membership for group %s", group); - return ret; +void wifi_get_error_info(wifi_error err, const char **msg) { + *msg = NULL; } -static void internal_cleaned_up_handler(wifi_handle handle) -{ - hal_info *info = getHalInfo(handle); - wifi_cleaned_up_handler cleaned_up_handler = info->cleaned_up_handler; - - if (info->cmd_sock != 0) { - nl_socket_free(info->cmd_sock); - nl_socket_free(info->event_sock); - info->cmd_sock = NULL; - info->event_sock = NULL; - } - - (*cleaned_up_handler)(handle); - free(info); - - ALOGI("Internal cleanup completed"); +wifi_error wifi_get_supported_feature_set(wifi_handle handle, feature_set *set) { + return WIFI_ERROR_UNINITIALIZED; } -void wifi_cleanup(wifi_handle handle, wifi_cleaned_up_handler handler) -{ - hal_info *info = getHalInfo(handle); - info->cleaned_up_handler = handler; - info->clean_up = true; - - ALOGI("Wifi cleanup completed"); +wifi_error wifi_get_concurrency_matrix(wifi_handle handle, int *size, feature_set **matrix) { + return WIFI_ERROR_UNINITIALIZED; } -static int internal_pollin_handler(wifi_handle handle) -{ - hal_info *info = getHalInfo(handle); - struct nl_cb *cb = nl_socket_get_cb(info->event_sock); - int res = nl_recvmsgs(info->event_sock, cb); - nl_cb_put(cb); - return res; +/* List of all supported channels, including 5GHz channels */ +wifi_error wifi_get_supported_channels(wifi_handle handle, int *size, wifi_channel *list) { + return WIFI_ERROR_UNINITIALIZED; } -static void internal_event_handler(wifi_handle handle, int events) -{ - if (events & POLLERR) { - ALOGE("Error reading from socket"); - } else if (events & POLLHUP) { - ALOGE("Remote side hung up"); - } else if (events & POLLIN) { - ALOGI("Found some events!!!"); - internal_pollin_handler(handle); - } else { - ALOGE("Unknown event - %0x", events); - } +/* Enhanced power reporting */ +wifi_error wifi_is_epr_supported(wifi_handle handle) { + return WIFI_ERROR_UNINITIALIZED; } -/* Run event handler */ -void wifi_event_loop(wifi_handle handle) -{ - hal_info *info = getHalInfo(handle); - if (info->in_event_loop) { - return; - } else { - info->in_event_loop = true; - } - - pollfd pfd; - memset(&pfd, 0, sizeof(pfd)); - - pfd.fd = nl_socket_get_fd(info->event_sock); - pfd.events = POLLIN; - - /* TODO: Add support for timeouts */ - - do { - int timeout = -1; /* Infinite timeout */ - pfd.revents = 0; - //ALOGI("Polling socket"); - int result = poll(&pfd, 1, -1); - if (result < 0) { - ALOGE("Error polling socket"); - } else if (pfd.revents & (POLLIN | POLLHUP | POLLERR)) { - internal_event_handler(handle, pfd.revents); - } - } while (!info->clean_up); - - - ALOGI("Cleaning up"); - internal_cleaned_up_handler(handle); +/* multiple interface support */ +wifi_error wifi_get_ifaces(wifi_handle handle, int *num_ifaces, wifi_interface_handle **ifaces) { + return WIFI_ERROR_UNINITIALIZED; } -/////////////////////////////////////////////////////////////////////////////////////// - -static int internal_valid_message_handler(nl_msg *msg, void *arg) -{ - wifi_handle handle = (wifi_handle)arg; - hal_info *info = getHalInfo(handle); - - WifiEvent event(msg); - int res = event.parse(); - if (res < 0) { - ALOGE("Failed to parse event: %d", res); - return NL_SKIP; - } - - int cmd = event.get_cmd(); - uint32_t vendor_id = 0; - int subcmd = 0; - - if (cmd == NL80211_CMD_VENDOR) { - vendor_id = event.get_u32(NL80211_ATTR_VENDOR_ID); - subcmd = event.get_u32(NL80211_ATTR_VENDOR_SUBCMD); - ALOGI("event received %s, vendor_id = 0x%0x, subcmd = 0x%0x", - event.get_cmdString(), vendor_id, subcmd); - } else { - ALOGI("event received %s", event.get_cmdString()); - } - - ALOGI("event received %s, vendor_id = 0x%0x", event.get_cmdString(), vendor_id); - // event.log(); - - bool dispatched = false; - for (int i = 0; i < info->num_event_cb; i++) { - if (cmd == info->event_cb[i].nl_cmd) { - if (cmd == NL80211_CMD_VENDOR - && ((vendor_id != info->event_cb[i].vendor_id) - || (subcmd != info->event_cb[i].vendor_subcmd))) - { - /* event for a different vendor, ignore it */ - continue; - } - - cb_info *cbi = &(info->event_cb[i]); - (*(cbi->cb_func))(msg, cbi->cb_arg); - dispatched = true; - } - } - - if (!dispatched) { - ALOGI("event ignored!!"); - } - - return NL_OK; +wifi_error wifi_get_iface_name(wifi_interface_handle iface, char *name, size_t size) { + return WIFI_ERROR_UNINITIALIZED; } -/////////////////////////////////////////////////////////////////////////////////////// - -class GetMulticastIdCommand : public WifiCommand -{ -private: - const char *mName; - const char *mGroup; - int mId; -public: - GetMulticastIdCommand(wifi_handle handle, const char *name, const char *group) - : WifiCommand(handle, 0) - { - mName = name; - mGroup = group; - mId = -1; - } - - int getId() { - return mId; - } - - virtual int create() { - int nlctrlFamily = genl_ctrl_resolve(mInfo->cmd_sock, "nlctrl"); - // ALOGI("ctrl family = %d", nlctrlFamily); - int ret = mMsg.create(nlctrlFamily, CTRL_CMD_GETFAMILY, 0, 0); - if (ret < 0) { - return ret; - } - ret = mMsg.put_string(CTRL_ATTR_FAMILY_NAME, mName); - return ret; - } - - virtual int handleResponse(WifiEvent& reply) { - - // ALOGI("handling reponse in %s", __func__); - - struct nlattr **tb = reply.attributes(); - struct genlmsghdr *gnlh = reply.header(); - struct nlattr *mcgrp = NULL; - int i; - - if (!tb[CTRL_ATTR_MCAST_GROUPS]) { - ALOGI("No multicast groups found"); - return NL_SKIP; - } else { - // ALOGI("Multicast groups attr size = %d", nla_len(tb[CTRL_ATTR_MCAST_GROUPS])); - } - - for_each_attr(mcgrp, tb[CTRL_ATTR_MCAST_GROUPS], i) { - - // ALOGI("Processing group"); - struct nlattr *tb2[CTRL_ATTR_MCAST_GRP_MAX + 1]; - nla_parse(tb2, CTRL_ATTR_MCAST_GRP_MAX, (nlattr *)nla_data(mcgrp), - nla_len(mcgrp), NULL); - if (!tb2[CTRL_ATTR_MCAST_GRP_NAME] || !tb2[CTRL_ATTR_MCAST_GRP_ID]) { - continue; - } - - char *grpName = (char *)nla_data(tb2[CTRL_ATTR_MCAST_GRP_NAME]); - int grpNameLen = nla_len(tb2[CTRL_ATTR_MCAST_GRP_NAME]); - - // ALOGI("Found group name %s", grpName); - - if (strncmp(grpName, mGroup, grpNameLen) != 0) - continue; - - mId = nla_get_u32(tb2[CTRL_ATTR_MCAST_GRP_ID]); - break; - } - - return NL_SKIP; - } - -}; - -static int wifi_get_multicast_id(wifi_handle handle, const char *name, const char *group) -{ - GetMulticastIdCommand cmd(handle, name, group); - int res = cmd.requestResponse(); - if (res < 0) - return res; - else - return cmd.getId(); +wifi_error wifi_set_iface_event_handler(wifi_request_id id, + wifi_interface_handle iface, wifi_event_handler eh) { + return WIFI_ERROR_UNINITIALIZED; } -///////////////////////////////////////////////////////////////////////// - -static bool is_wifi_interface(const char *name) -{ - if (strncmp(name, "wlan", 4) != 0 && strncmp(name, "p2p", 3) != 0) { - /* not a wifi interface; ignore it */ - return false; - } else { - return true; - } +wifi_error wifi_reset_iface_event_handler(wifi_request_id id, wifi_interface_handle iface) { + return WIFI_ERROR_UNINITIALIZED; } -static int get_interface(const char *name, interface_info *info) -{ - strcpy(info->name, name); - info->id = if_nametoindex(name); - // ALOGI("found an interface : %s, id = %d", name, info->id); - return WIFI_SUCCESS; +wifi_error wifi_start_gscan(wifi_request_id id, wifi_interface_handle iface, + wifi_scan_cmd_params params, wifi_scan_result_handler handler) { + return WIFI_ERROR_UNINITIALIZED; } -wifi_error wifi_init_interfaces(wifi_handle handle) -{ - hal_info *info = (hal_info *)handle; - - struct dirent *de; - - DIR *d = opendir("/sys/class/net"); - if (d == 0) - return WIFI_ERROR_UNKNOWN; - - int n = 0; - while ((de = readdir(d))) { - if (de->d_name[0] == '.') - continue; - if (is_wifi_interface(de->d_name) ) { - n++; - } - } - - closedir(d); - - d = opendir("/sys/class/net"); - if (d == 0) - return WIFI_ERROR_UNKNOWN; - - info->interfaces = (interface_info **)malloc(sizeof(interface_info *) * n); - - int i = 0; - while ((de = readdir(d))) { - if (de->d_name[0] == '.') - continue; - if (is_wifi_interface(de->d_name)) { - interface_info *ifinfo = (interface_info *)malloc(sizeof(interface_info)); - if (get_interface(de->d_name, ifinfo) != WIFI_SUCCESS) { - free(ifinfo); - continue; - } - ifinfo->handle = handle; - info->interfaces[i] = ifinfo; - i++; - } - } - - closedir(d); - - info->num_interfaces = n; - return WIFI_SUCCESS; +wifi_error wifi_stop_gscan(wifi_request_id id, wifi_interface_handle iface) { + return WIFI_ERROR_UNINITIALIZED; } -wifi_error wifi_get_ifaces(wifi_handle handle, int *num, wifi_interface_handle **interfaces) -{ - hal_info *info = (hal_info *)handle; +wifi_error wifi_get_cached_results(wifi_interface_handle iface, byte flush, + wifi_scan_result_handler handler) { + return WIFI_ERROR_UNINITIALIZED; +} - *interfaces = (wifi_interface_handle *)info->interfaces; - *num = info->num_interfaces; +wifi_error wifi_set_bssid_hotlist(wifi_request_id id, wifi_interface_handle iface, + wifi_bssid_hotlist_params params, wifi_hotlist_ap_found_handler handler) { + return WIFI_ERROR_UNINITIALIZED; +} - return WIFI_SUCCESS; +wifi_error wifi_reset_bssid_hotlist(wifi_request_id id, wifi_interface_handle iface) { + return WIFI_ERROR_UNINITIALIZED; } -wifi_error wifi_get_iface_name(wifi_interface_handle handle, char *name, size_t size) -{ - interface_info *info = (interface_info *)handle; - strcpy(name, info->name); - return WIFI_SUCCESS; +wifi_error wifi_set_significant_change_handler(wifi_request_id id, wifi_interface_handle iface, + wifi_significant_change_handler handler) { + return WIFI_ERROR_UNINITIALIZED; } -///////////////////////////////////////////////////////////////////////////// +wifi_error wifi_reset_significant_change_handler(wifi_request_id id, wifi_interface_handle iface) { + return WIFI_ERROR_UNINITIALIZED; +} diff --git a/service/lib/wifi_hal.h b/service/lib/wifi_hal.h deleted file mode 100644 index ed3b26b3d..000000000 --- a/service/lib/wifi_hal.h +++ /dev/null @@ -1,108 +0,0 @@ - -#ifndef __WIFI_HAL_H__ -#define __WIFI_HAL_H__ - -typedef enum { - WIFI_SUCCESS = 0, - WIFI_ERROR_NONE = 0, - WIFI_ERROR_UNKNOWN = -1, - WIFI_ERROR_UNINITIALIZED = -2, - WIFI_ERROR_NOT_SUPPORTED = -3, - WIFI_ERROR_NOT_AVAILABLE = -4, // Not available right now, but try later - WIFI_ERROR_INVALID_ARGS = -5, - WIFI_ERROR_INVALID_REQUEST_ID = -6, - WIFI_ERROR_TIMED_OUT = -7, - WIFI_ERROR_TOO_MANY_REQUESTS = -8, // Too many instances of this request - WIFI_ERROR_OUT_OF_MEMORY = -9 -} wifi_error; - -typedef unsigned char byte; -typedef unsigned char u8; -typedef uint16_t u16; -typedef uint32_t u32; -typedef uint64_t u64; -typedef int wifi_request_id; -typedef int wifi_channel; // indicates channel frequency in MHz -typedef int wifi_rssi; -typedef byte mac_addr[6]; -typedef int64_t wifi_timestamp; // In microseconds (us) -typedef int64_t wifi_timespan; // In nanoseconds (ns) - -struct wifi_info; -typedef wifi_info *wifi_handle; -struct wifi_interface_info; -typedef wifi_interface_info *wifi_interface_handle; - -/* Initialize/Cleanup */ - -wifi_error wifi_initialize(wifi_handle *handle); -typedef void (*wifi_cleaned_up_handler) (wifi_handle handle); -void wifi_cleanup(wifi_handle handle, wifi_cleaned_up_handler handler); -void wifi_event_loop(wifi_handle handle); - -/* Error handling */ -void wifi_get_error_info(wifi_error err, const char **msg); // return a pointer to a static string - -/* Feature enums */ -#define WIFI_FEATURE_INFRA 0x0001 // Basic infrastructure mode -#define WIFI_FEATURE_INFRA_5G 0x0002 // Support for 5 GHz Band -#define WIFI_FEATURE_HOTSPOT 0x0004 // Support for GAS/ANQP -#define WIFI_FEATURE_P2P 0x0008 // Wifi-Direct -#define WIFI_FEATURE_SOFT_AP 0x0010 // Soft AP -#define WIFI_FEATURE_GSCAN 0x0020 // Google-Scan APIs -#define WIFI_FEATURE_NBD 0x0040 // NearBy discovery -#define WIFI_FEATURE_D2D_RTT 0x0080 // Device-to-device RTT -#define WIFI_FEATURE_D2AP_RTT 0x0100 // Device-to-AP RTT -#define WIFI_FEATURE_BATCH_GSCAN 0x0200 // Batched G-Scan -#define WIFI_FEATURE_PNO 0x0400 // Preferred network offload -#define WIFI_FEATURE_ADDITIONAL_STA 0x0800 // Support for two STAs -#define WIFI_FEATURE_TDLS 0x1000 // Tunnel directed link setup - -// Add more features here - -typedef int feature_set; - -#define IS_MASK_SET(mask, flags) ((flags & mask) == mask) -#define IS_MASK_RESET(mask, flags) ((flags & mask) == 0) - -#define IS_SUPPORTED_FEATURE(feature, featureSet) IS_MASK_SET(feature, fetureSet) -#define IS_UNSUPPORTED_FEATURE(feature, featureSet) IS_MASK_RESET(feature, fetureSet) - -/* Feature set */ -wifi_error wifi_get_supported_feature_set(wifi_handle handle, feature_set *set); - -/* - * Each row represents a valid feature combination; - * all other combinations are invalid! - */ -wifi_error wifi_get_concurrency_matrix(wifi_handle handle, int *size, feature_set **matrix); - -/* List of all supported channels, including 5GHz channels */ -wifi_error wifi_get_supported_channels(wifi_handle handle, int *size, wifi_channel *list); - -/* Enhanced power reporting */ -wifi_error wifi_is_epr_supported(wifi_handle handle); - -/* multiple interface support */ - -wifi_error wifi_get_ifaces(wifi_handle handle, int *num_ifaces, wifi_interface_handle **ifaces); -wifi_error wifi_get_iface_name(wifi_interface_handle iface, char *name, size_t size); - -/* Configuration events */ - -typedef struct { - void (*on_country_code_changed)(char code[2]); // We can get this from supplicant too - - // More event handlers -} wifi_event_handler; - -wifi_error wifi_set_iface_event_handler(wifi_request_id id, wifi_interface_handle iface, wifi_event_handler eh); -wifi_error wifi_reset_iface_event_handler(wifi_request_id id, wifi_interface_handle iface); - -/* include various feature headers */ - -#include "gscan.h" -#include "rtt.h" - -#endif - |