diff options
Diffstat (limited to 'src/devices/wimax/iwmxsdk.c')
| -rw-r--r-- | src/devices/wimax/iwmxsdk.c | 1517 |
1 files changed, 1517 insertions, 0 deletions
diff --git a/src/devices/wimax/iwmxsdk.c b/src/devices/wimax/iwmxsdk.c new file mode 100644 index 000000000..d1ef7b683 --- /dev/null +++ b/src/devices/wimax/iwmxsdk.c @@ -0,0 +1,1517 @@ +/* -*- Mode: C; tab-width: 4; indent-tabs-mode: t; c-basic-offset: 4 -*- */ +/* + * + * Copyright (C) 2011 Red Hat, Inc. All rights reserved. + * Copyright (C) 2007-2010 Intel Corporation. All rights reserved. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA + * + */ + +#ifdef HAVE_CONFIG_H +#include <config.h> +#endif + +#include <stdio.h> +#include <stdlib.h> +#include <errno.h> +#include <string.h> +#include <sys/socket.h> +#include <linux/if.h> + +#include <glib.h> + +#include <WiMaxType.h> +#include <WiMaxAPI.h> +#include <WiMaxAPIEx.h> + +#include "logging/nm-logging.h" +#include "iwmxsdk.h" + +static WIMAX_API_DEVICE_ID g_api; +static GMutex add_remove_mutex; + +/* Misc utilities */ +#define ARRAY_SIZE(a) (sizeof(a)/sizeof(a[0])) + +/* Misc values */ +enum { + /* + * WARNING!!!!! + * + * ONLY ONE DEVICE SUPPORTED + * + * - on removal, there is no way to know which device was + * removed (the removed device is removed from the list and + * the callback doesn't have any more information than the + * index in the list that getlistdevice would return -- racy + * as hell). + * + * - on insertion, there is not enough information provided. + */ + IWMX_SDK_DEV_MAX = 1, +}; + +/* Yes, this is dirty; see above on IWMX_SDK_DEV_MAX */ +static struct wmxsdk *g_iwmx_sdk_devs[IWMX_SDK_DEV_MAX]; + +static struct wmxsdk *deviceid_to_wmxsdk(WIMAX_API_DEVICE_ID *device_id) +{ + unsigned cnt; + for (cnt = 0; cnt < IWMX_SDK_DEV_MAX; cnt++) { + struct wmxsdk *wmxsdk = g_iwmx_sdk_devs[cnt]; + if (wmxsdk && + wmxsdk->device_id.deviceIndex == device_id->deviceIndex) + return wmxsdk; + } + return NULL; +} + +static int deviceid_to_index(WIMAX_API_DEVICE_ID *device_id) +{ + unsigned cnt; + + for (cnt = 0; cnt < IWMX_SDK_DEV_MAX; cnt++) { + struct wmxsdk *wmxsdk = g_iwmx_sdk_devs[cnt]; + if (wmxsdk && wmxsdk->device_id.deviceIndex == device_id->deviceIndex) + return cnt; + } + return -1; +} + +struct wmxsdk *iwmx_sdk_get_wmxsdk_for_iface(const char *iface) +{ + unsigned cnt; + + for (cnt = 0; cnt < IWMX_SDK_DEV_MAX; cnt++) { + struct wmxsdk *wmxsdk = g_iwmx_sdk_devs[cnt]; + if (wmxsdk && !strcmp(wmxsdk->ifname, iface)) + return wmxsdk; + } + return NULL; +} + +/* + * FIXME: pulled it it out of some hole + * + * the cinr to percentage computation comes from the L3/L4 doc + * + * But some other places (L4 code) have a more complex, seemingly + * logarithmical computation. + * + * Oh well... + * + */ +static int cinr_to_percentage(int cinr) +{ + int strength; + if (cinr <= -5) + strength = 0; + else if (cinr >= 25) + strength = 100; + else /* Calc percentage on the value from -5 to 25 */ + strength = ((100UL * (cinr - -5)) / (25 - -5)); + return strength; +} + +/**************************************************************/ + +typedef struct { + WimaxNewWmxsdkFunc callback; + void *user_data; +} NewSdkCallback; + +static GMutex new_callbacks_mutex; +static GSList *new_callbacks = NULL; + +void iwmx_sdk_new_callback_register(WimaxNewWmxsdkFunc callback, void *user_data) +{ + NewSdkCallback *cb; + + cb = g_malloc0 (sizeof (NewSdkCallback)); + g_assert (cb); + cb->callback = callback; + cb->user_data = user_data; + + g_mutex_lock (&new_callbacks_mutex); + new_callbacks = g_slist_append (new_callbacks, cb); + g_mutex_unlock (&new_callbacks_mutex); +} + +void iwmx_sdk_new_callback_unregister(WimaxNewWmxsdkFunc callback, void *user_data) +{ + GSList *iter; + NewSdkCallback *found = NULL; + + g_mutex_lock (&new_callbacks_mutex); + for (iter = new_callbacks; iter; iter = g_slist_next (iter)) { + NewSdkCallback *cb = iter->data; + + if (cb->callback == callback && cb->user_data == user_data) { + found = cb; + break; + } + } + + if (found) { + new_callbacks = g_slist_remove (new_callbacks, found); + g_free (found); + } + g_mutex_unlock (&new_callbacks_mutex); +} + +static void iwmx_sdk_call_new_callbacks(struct wmxsdk *wmxsdk) +{ + GSList *iter; + + g_mutex_lock (&new_callbacks_mutex); + for (iter = new_callbacks; iter; iter = g_slist_next (iter)) { + NewSdkCallback *cb = iter->data; + + cb->callback (wmxsdk, cb->user_data); + } + g_mutex_unlock (&new_callbacks_mutex); +} + +/****************************************************************/ + +typedef struct { + struct wmxsdk *wmxsdk; + WIMAX_API_DEVICE_STATUS new_status; + WIMAX_API_DEVICE_STATUS old_status; + WIMAX_API_STATUS_REASON reason; + WIMAX_API_CONNECTION_PROGRESS_INFO progress; +} StateChangeInfo; + +static gboolean +state_change_handler(gpointer user_data) +{ + StateChangeInfo *info = user_data; + + if (info->wmxsdk->state_change_cb) { + info->wmxsdk->state_change_cb(info->wmxsdk, + info->new_status, + info->old_status, + info->reason, + info->progress, + info->wmxsdk->callback_data); + } + wmxsdk_unref(info->wmxsdk); + memset(info, 0, sizeof(*info)); + free(info); + return FALSE; +} + +static void +_schedule_state_change(struct wmxsdk *wmxsdk, + WIMAX_API_DEVICE_STATUS new_status, + WIMAX_API_DEVICE_STATUS old_status, + WIMAX_API_STATUS_REASON reason, + WIMAX_API_CONNECTION_PROGRESS_INFO progress) +{ + StateChangeInfo *info; + + info = malloc(sizeof (*info)); + if (!info) + return; + + memset(info, 0, sizeof(*info)); + info->wmxsdk = wmxsdk; + info->new_status = new_status; + info->old_status = old_status; + info->reason = reason; + info->progress = progress; + + wmxsdk_ref(wmxsdk); + g_idle_add(state_change_handler, info); +} + +typedef struct { + struct wmxsdk *wmxsdk; + WIMAX_API_MEDIA_STATUS media_status; +} MediaStatusInfo; + +static gboolean +media_status_change_handler(gpointer user_data) +{ + MediaStatusInfo *info = user_data; + + if (info->wmxsdk->media_status_cb) { + info->wmxsdk->media_status_cb(info->wmxsdk, + info->media_status, + info->wmxsdk->callback_data); + } + wmxsdk_unref(info->wmxsdk); + memset(info, 0, sizeof(*info)); + free(info); + return FALSE; +} + +static void +_schedule_media_status_change(struct wmxsdk *wmxsdk, + WIMAX_API_MEDIA_STATUS media_status) +{ + MediaStatusInfo *info; + + info = malloc(sizeof (*info)); + if (!info) + return; + + memset(info, 0, sizeof(*info)); + info->wmxsdk = wmxsdk; + info->media_status = media_status; + + wmxsdk_ref(wmxsdk); + g_idle_add(media_status_change_handler, info); +} + +typedef struct { + struct wmxsdk *wmxsdk; + WIMAX_API_NETWORK_CONNECTION_RESP result; +} ConnectResultInfo; + +static gboolean +connect_result_handler(gpointer user_data) +{ + ConnectResultInfo *info = user_data; + + if (info->wmxsdk->connect_result_cb) { + info->wmxsdk->connect_result_cb(info->wmxsdk, + info->result, + info->wmxsdk->callback_data); + } + wmxsdk_unref(info->wmxsdk); + memset(info, 0, sizeof(*info)); + free(info); + return FALSE; +} + +static void +_schedule_connect_result(struct wmxsdk *wmxsdk, + WIMAX_API_NETWORK_CONNECTION_RESP resp) +{ + ConnectResultInfo *info; + + info = malloc(sizeof (*info)); + if (!info) + return; + + memset(info, 0, sizeof(*info)); + info->wmxsdk = wmxsdk; + info->result = resp; + + wmxsdk_ref(wmxsdk); + g_idle_add(connect_result_handler, info); +} + +typedef struct { + struct wmxsdk *wmxsdk; + WIMAX_API_NSP_INFO_EX *nsps; + guint num_nsps; +} ScanResultInfo; + +static gboolean +scan_result_handler(gpointer user_data) +{ + ScanResultInfo *info = user_data; + + if (info->wmxsdk->scan_result_cb) { + info->wmxsdk->scan_result_cb(info->wmxsdk, + info->nsps, + info->num_nsps, + info->wmxsdk->callback_data); + } + wmxsdk_unref(info->wmxsdk); + free(info->nsps); + memset(info, 0, sizeof(*info)); + free(info); + return FALSE; +} + +static void +_schedule_scan_result(struct wmxsdk *wmxsdk, + WIMAX_API_NSP_INFO_EX *nsps, + guint num_nsps) +{ + ScanResultInfo *info; + size_t nsps_size; + int i, tmp; + + info = malloc(sizeof (*info)); + if (!info) + return; + + memset(info, 0, sizeof(*info)); + info->wmxsdk = wmxsdk; + + nsps_size = num_nsps * sizeof (WIMAX_API_NSP_INFO_EX); + info->nsps = malloc(nsps_size); + memcpy(info->nsps, nsps, nsps_size); + info->num_nsps = num_nsps; + + /* CAPI may report link quality as zero -- if it does check if it is a bug + * by computing it based on CINR. If it is different, use the computed one. + */ + for (i = 0; i < num_nsps; i++) { + WIMAX_API_NSP_INFO_EX *nsp = &info->nsps[i]; + + if (nsp->linkQuality == 0) { + tmp = cinr_to_percentage(nsp->CINR - 10); + if (tmp != nsp->linkQuality) + nsp->linkQuality = tmp; + } + } + + wmxsdk_ref(wmxsdk); + g_idle_add(scan_result_handler, info); +} + +static gboolean +removed_handler(gpointer user_data) +{ + struct wmxsdk *wmxsdk = user_data; + + if (wmxsdk->removed_cb) + wmxsdk->removed_cb(wmxsdk, wmxsdk->callback_data); + wmxsdk_unref(wmxsdk); + return FALSE; +} + +static void +_schedule_removed(struct wmxsdk *wmxsdk) +{ + wmxsdk_ref(wmxsdk); + g_idle_add(removed_handler, wmxsdk); +} + +/****************************************************************/ + +/* + * Convert a WiMAX API status to an string. + */ +const char *iwmx_sdk_dev_status_to_str(WIMAX_API_DEVICE_STATUS status) +{ + switch (status) { + case WIMAX_API_DEVICE_STATUS_UnInitialized: + return "uninitialized"; + case WIMAX_API_DEVICE_STATUS_RF_OFF_HW_SW: + return "rf off"; + case WIMAX_API_DEVICE_STATUS_RF_OFF_HW: + return "rf off (hard-block)"; + case WIMAX_API_DEVICE_STATUS_RF_OFF_SW: + return "rf off (soft-block)"; + case WIMAX_API_DEVICE_STATUS_Ready: + return "ready"; + case WIMAX_API_DEVICE_STATUS_Scanning: + return "scanning"; + case WIMAX_API_DEVICE_STATUS_Connecting: + return "connecting"; + case WIMAX_API_DEVICE_STATUS_Data_Connected: + return "connected"; + default: + return "unknown"; + } +} + +const char *iwmx_sdk_reason_to_str(WIMAX_API_STATUS_REASON reason) +{ + switch (reason) { + case WIMAX_API_STATUS_REASON_Normal: + return "normal"; + + /**< Failed to complete NW entry with the selected operator (unspecified reason). */ + case WIMAX_API_STATUS_REASON_Fail_to_connect_to_NW: + return "unspecified failure"; + + /**< Failed to complete ranging */ + case WIMAX_API_STATUS_REASON_Fail_to_connect_Ranging: + return "ranging failed"; + + /**< SBC phase failed */ + case WIMAX_API_STATUS_REASON_Fail_to_connect_SBC: + return "sbc failed"; + + /**< Security error. EAP authentication failed device level */ + case WIMAX_API_STATUS_REASON_Fail_to_connect_EAP_AUTH_Device: + return "EAP device auth failed"; + + /**< Security error. EAP authentication failed user level */ + case WIMAX_API_STATUS_REASON_Fail_to_connect_EAP_AUTH_user: + return "EAP user auth failed"; + + /**< Security error. Handshake failed */ + case WIMAX_API_STATUS_REASON_Fail_to_connect_3_Way_Handshake: + return "3 way handshake failed"; + + /**< Registration failed */ + case WIMAX_API_STATUS_REASON_Fail_to_connect_REG: + return "registration failed"; + + /**< Failed to initialize the data path (failed to perform DSA to one UL and one DL SFs). */ + case WIMAX_API_STATUS_REASON_Fail_to_connect_datapath: + return "datapath failed"; + + default: + return "unknown"; + } +} + +const char *iwmx_sdk_media_status_to_str(WIMAX_API_MEDIA_STATUS status) +{ + switch (status) { + case WIMAX_API_MEDIA_STATUS_LINK_UP: + return "link-up"; + case WIMAX_API_MEDIA_STATUS_LINK_DOWN: + return "link-down"; + case WIMAX_API_MEDIA_STATUS_LINK_RENEW: + return "link-renew"; + default: + return "unknown"; + } +} + +const char * +iwmx_sdk_con_progress_to_str(WIMAX_API_CONNECTION_PROGRESS_INFO progress) +{ + switch (progress) { + + /**< Device is in Ranging */ + case WIMAX_API_DEVICE_CONNECTION_PROGRESS_Ranging: + return "ranging"; + + /**< Device is in SBC */ + case WIMAX_API_DEVICE_CONNECTION_PROGRESS_SBC: + return "sbc"; + + /**< Device is in EAP authentication Device */ + case WIMAX_API_DEVICE_CONNECTION_PROGRESS_EAP_authentication_Device: + return "eap-auth-device"; + + /**< Device is in EAP authentication User */ + case WIMAX_API_DEVICE_CONNECTION_PROGRESS_EAP_authentication_User: + return "eap-auth-user"; + + /**< Device is in 3-way-handshake */ + case WIMAX_API_DEVICE_CONNECTION_PROGRESS_3_way_handshake: + return "3way-handshake"; + + /**< Device is in Registration */ + case WIMAX_API_DEVICE_CONNECTION_PROGRESS_Registration: + return "registration"; + + /**< Device is in De-registration */ + case WIMAX_API_DEVICE_CONNECTION_PROGRESS_De_registration: + return "deregistration"; + + /**< Device is registered (operational) */ + case WIMAX_API_DEVICE_CONNECTION_PROGRESS_Registered: + return "registered"; + + default: + return "unknown"; + } +} + +/* + * Get the device's status from the device + * + * Does NOT cache the result + * Does NOT trigger a state change in NetworkManager + * + * Returns < 0 errno code on error, status code if ok. + */ +static WIMAX_API_DEVICE_STATUS iwmx_sdk_get_device_status(struct wmxsdk *wmxsdk) +{ + WIMAX_API_RET r; + char errstr[512]; + UINT32 errstr_size = sizeof(errstr); + + WIMAX_API_DEVICE_STATUS dev_status; + WIMAX_API_CONNECTION_PROGRESS_INFO pi; + + r = GetDeviceStatus(&wmxsdk->device_id, &dev_status, &pi); + if (r != WIMAX_API_RET_SUCCESS) { + GetErrorString(&wmxsdk->device_id, r, errstr, &errstr_size); + nm_log_err(LOGD_WIMAX, "wmxsdk: Cannot read device state: %d (%s)", r, errstr); + dev_status = -EIO; + } + return dev_status; +} + +/* + * Get the device's status from the device but return a string describing it + * + * Same conditions as iwmx_sdk_get_device_status(). + */ +static const char *iwmx_sdk_get_device_status_str(struct wmxsdk *wmxsdk) +{ + const char *result; + WIMAX_API_DEVICE_STATUS dev_status; + + dev_status = iwmx_sdk_get_device_status(wmxsdk); + if ((int) dev_status < 0) + result = "cannot read device state"; + else + result = iwmx_sdk_dev_status_to_str(dev_status); + return result; +} + +/* + * If the device is connected but we don't know about the network, + * create the knowledge of it. + * + * Asks the WiMAX API to report which NSP we are connected to and we + * create/update a network_el in the device's network list. Then + * return it. + * + * Returns NULL on error. + * + */ +WIMAX_API_CONNECTED_NSP_INFO_EX *iwmx_sdk_get_connected_network(struct wmxsdk *wmxsdk) +{ + WIMAX_API_CONNECTED_NSP_INFO_EX *nsp_info = NULL; + WIMAX_API_RET r; + char errstr[512]; + UINT32 errstr_size = sizeof(errstr); + + nsp_info = malloc(sizeof (*nsp_info)); + if (!nsp_info) { + nm_log_err(LOGD_WIMAX, "wmxsdk: cannot allocate NSP info"); + return NULL; + } + + r = GetConnectedNSPEx(&wmxsdk->device_id, nsp_info); + if (r != WIMAX_API_RET_SUCCESS) { + GetErrorString(&wmxsdk->device_id, r, errstr, &errstr_size); + nm_log_err(LOGD_WIMAX, "wmxsdk: Cannot get connected NSP info: %d (%s)", r, errstr); + free (nsp_info); + nsp_info = NULL; + } else { + /* Migth be 0 sometimes; fix that up */ + if (nsp_info->linkQuality == 0) { + int linkq_expected = cinr_to_percentage(nsp_info->CINR - 10); + if (linkq_expected != nsp_info->linkQuality) + nsp_info->linkQuality = linkq_expected; + } + } + + return nsp_info; +} + +/* + * Asks the WiMAX API to report current link statistics. + * + * Returns NULL on error. + * + */ +WIMAX_API_LINK_STATUS_INFO_EX *iwmx_sdk_get_link_status_info(struct wmxsdk *wmxsdk) +{ + WIMAX_API_LINK_STATUS_INFO_EX *stats = NULL; + WIMAX_API_RET r; + char errstr[512]; + UINT32 errstr_size = sizeof(errstr); + + /* Only report if connected */ + if (iwmxsdk_status_get(wmxsdk) < WIMAX_API_DEVICE_STATUS_Connecting) { + nm_log_err(LOGD_WIMAX, "wmxsdk: cannot get link status info unless connected"); + return NULL; + } + + stats = malloc(sizeof (*stats)); + if (!stats) { + nm_log_err(LOGD_WIMAX, "wmxsdk: cannot allocate links status info"); + return NULL; + } + + r = GetLinkStatusEx(&wmxsdk->device_id, stats); + if (r != WIMAX_API_RET_SUCCESS) { + GetErrorString(&wmxsdk->device_id, r, errstr, &errstr_size); + nm_log_err(LOGD_WIMAX, "wmxsdk: Cannot get link status info: %d (%s)", r, errstr); + free (stats); + stats = NULL; + } + + return stats; +} + +/* + * Callback for a RF State command + * + * Called by the WiMAX API when a command sent to change the RF state + * is completed. This is just a confirmation of what happened with the + * command. + * + * We don't do anything, as when the device changes state, the state + * change callback is called and that will fiddle with the NetworkManager + * internals. + */ +static void __iwmx_sdk_rf_state_cb(WIMAX_API_DEVICE_ID *device_id, + WIMAX_API_RF_STATE rf_state) +{ + nm_log_dbg(LOGD_WIMAX, "rf_state changed to %d", rf_state); +} + +/* + * Turn the radio on or off + * + * First it checks that we are in the right state before doing + * anything; there might be no need to do anything. + * + * Issue a command to the WiMAX API, wait for a callback confirming it + * is done. Sometimes the callback is missed -- in that case, do force + * a state change evaluation. + * + * Frustration note: + * + * Geezoos efing Xist, they make difficult even the most simple + * of the operations + * + * This thing is definitely a pain. If the radio is ON already + * and you switch it on again...well, there is no way to tell + * because you don't get a callback saying it basically + * suceeded. But on the other hand, if the thing was in a + * different state and action needs to be taken, you have to wait + * for a callback to confirm it's done. However, there is also an + * state change callback, which is almost the same, so now you + * have to handle things in two "unrelated" threads of execution. + * + * How the shpx are you expected to tell the difference? Check + * status first? On timeout? Nice gap (eighteen wheeler size) for + * race conditions. + */ +int iwmx_sdk_rf_state_set(struct wmxsdk *wmxsdk, WIMAX_API_RF_STATE rf_state) +{ + int result; + + WIMAX_API_RET r; + char errstr[512]; + UINT32 errstr_size = sizeof(errstr); + WIMAX_API_DEVICE_STATUS dev_status; + + g_assert(rf_state == WIMAX_API_RF_ON || rf_state == WIMAX_API_RF_OFF); + + /* Guess what the current radio state is; if it is ON + * already, don't redo it. */ + dev_status = iwmx_sdk_get_device_status(wmxsdk); + if ((int) dev_status < 0) { + result = dev_status; + goto error_get_status; + } + switch (dev_status) { + case WIMAX_API_DEVICE_STATUS_UnInitialized: + result = -EINVAL; + goto error_cant_do; + case WIMAX_API_DEVICE_STATUS_RF_OFF_HW_SW: + case WIMAX_API_DEVICE_STATUS_RF_OFF_HW: + nm_log_err(LOGD_WIMAX, "wmxsdk: cannot turn on radio: hw switch is off"); + result = -EPERM; + goto error_cant_do; + break; + case WIMAX_API_DEVICE_STATUS_RF_OFF_SW: + if (rf_state == WIMAX_API_RF_OFF) { + result = 0; + nm_log_dbg(LOGD_WIMAX, "radio is already off"); + goto out_done; + } + break; + case WIMAX_API_DEVICE_STATUS_Ready: + case WIMAX_API_DEVICE_STATUS_Scanning: + case WIMAX_API_DEVICE_STATUS_Connecting: + case WIMAX_API_DEVICE_STATUS_Data_Connected: + if (rf_state == WIMAX_API_RF_ON) { + result = 0; + nm_log_dbg(LOGD_WIMAX, "radio is already on"); + goto out_done; + } + break; + default: + g_assert(1); + } + /* Ok, flip the radio */ + r = CmdControlPowerManagement(&wmxsdk->device_id, rf_state); + if (r != WIMAX_API_RET_SUCCESS) { + GetErrorString(&wmxsdk->device_id, r, errstr, &errstr_size); + nm_log_err(LOGD_WIMAX, "wmxsdk: Cannot flip radio to %d: %d (%s) [device is in state %s]", + rf_state, r, errstr, iwmx_sdk_get_device_status_str(wmxsdk)); + result = -EIO; + } else + result = -EINPROGRESS; +out_done: +error_cant_do: +error_get_status: + return result; +} + +/* + * Read the cached device status + */ +WIMAX_API_DEVICE_STATUS iwmxsdk_status_get(struct wmxsdk *wmxsdk) +{ + WIMAX_API_DEVICE_STATUS status; + + g_mutex_lock(&wmxsdk->status_mutex); + status = wmxsdk->status; + g_mutex_unlock(&wmxsdk->status_mutex); + return status; +} + +/* + * Callback for a Connect command + * + * Called by the WiMAX API when a command sent to connect is + * completed. This is just a confirmation of what happened with the + * command. + * + * WE DON'T DO MUCH HERE -- the real meat happens when a state change + * callback is sent, where we detect we move to connected state (or + * from disconnecting to something else); the state change callback is + * called and that will fiddle with the NetworkManager internals. + */ +static void __iwmx_sdk_connect_cb(WIMAX_API_DEVICE_ID *device_id, + WIMAX_API_NETWORK_CONNECTION_RESP resp) +{ + WIMAX_API_DEVICE_STATUS status; + struct wmxsdk *wmxsdk = deviceid_to_wmxsdk(device_id); + + status = iwmxsdk_status_get(wmxsdk); + if (resp == WIMAX_API_CONNECTION_SUCCESS) { + if (status != WIMAX_API_DEVICE_STATUS_Data_Connected) { + nm_log_err(LOGD_WIMAX, "wmxsdk: error: connect worked, but state" + " didn't change (now it is %d [%s])", + status, + iwmx_sdk_dev_status_to_str(status)); + } + } else { + nm_log_err(LOGD_WIMAX, "wmxsdk: failed to connect (status %d: %s)", + status, iwmx_sdk_dev_status_to_str(status)); + } + + _schedule_connect_result(wmxsdk, resp); +} + +/* + * Connect to a network + * + * This function starts the connection process to a given network; + * when the device changes status, the status change callback will + * tell NetworkManager if the network is finally connected or not. + * + * One of the reasons it is done like that is to allow external tools + * to control the device and the plugin just passing the status so + * NetworkManager displays the right info. + */ +int iwmx_sdk_connect(struct wmxsdk *wmxsdk, const char *nsp_name) +{ + int result = 0; + + WIMAX_API_RET r; + char errstr[512]; + UINT32 errstr_size = sizeof(errstr); + WIMAX_API_DEVICE_STATUS dev_status; + char sdk_name[MAX_SIZE_OF_NSP_NAME]; + + g_mutex_lock(&wmxsdk->connect_mutex); + /* Guess what the current radio state is; if it is ON + * already, don't redo it. */ + dev_status = iwmxsdk_status_get(wmxsdk); + if ((int) dev_status < 0) { + result = dev_status; + goto error_get_status; + } + switch (dev_status) { + case WIMAX_API_DEVICE_STATUS_UnInitialized: + nm_log_err(LOGD_WIMAX, "wmxsdk: SW BUG? HW is uninitialized"); + result = -EINVAL; + goto error_cant_do; + case WIMAX_API_DEVICE_STATUS_RF_OFF_HW_SW: + case WIMAX_API_DEVICE_STATUS_RF_OFF_HW: + case WIMAX_API_DEVICE_STATUS_RF_OFF_SW: + nm_log_err(LOGD_WIMAX, "wmxsdk: Cannot connect: radio is off"); + result = -EPERM; + goto error_cant_do; + case WIMAX_API_DEVICE_STATUS_Ready: + case WIMAX_API_DEVICE_STATUS_Scanning: + break; + case WIMAX_API_DEVICE_STATUS_Connecting: + nm_log_dbg(LOGD_WIMAX, "Connect already pending, waiting for it"); + result = -EINPROGRESS; + goto error_cant_do; + case WIMAX_API_DEVICE_STATUS_Data_Connected: + nm_log_err(LOGD_WIMAX, "wmxsdk: BUG? need to disconnect?"); + result = -EINVAL; + goto error_cant_do; + default: + g_assert(1); + } + + /* The SDK treats the network name as wchar_t* while the contents are + * actually just UTF-8... WTF? Hand it a full buffer to work around + * boundary cases where the NSP name contains an odd # of characters. + */ + memset(sdk_name, 0, sizeof (sdk_name)); + memcpy(sdk_name, nsp_name, strlen (nsp_name)); + + /* Ok, do the connection, wait for a callback */ + r = CmdConnectToNetwork(&wmxsdk->device_id, &sdk_name[0], 0, 0); + if (r != WIMAX_API_RET_SUCCESS) { + GetErrorString(&wmxsdk->device_id, r, errstr, &errstr_size); + nm_log_err(LOGD_WIMAX, "wmxsdk: Cannot connect to network %s: %d (%s) - device is in state '%s'", + nsp_name, r, errstr, + iwmx_sdk_get_device_status_str(wmxsdk)); + result = -EIO; + } + +error_cant_do: +error_get_status: + g_mutex_unlock(&wmxsdk->connect_mutex); + return result; +} + +/* + * Callback for a Disconnect command + * + * Called by the WiMAX API when a command sent to connect is + * completed. This is just a confirmation of what happened with the + * command. + * + * When the device changes state, the state change callback is called + * and that will fiddle with the NetworkManager internals. + * + * We just update the result of the command and wake up anybody who is + * waiting for this conditional variable. + */ +static void __iwmx_sdk_disconnect_cb(WIMAX_API_DEVICE_ID *device_id, + WIMAX_API_NETWORK_CONNECTION_RESP resp) +{ + struct wmxsdk *wmxsdk = deviceid_to_wmxsdk(device_id); + WIMAX_API_DEVICE_STATUS status; + + status = iwmxsdk_status_get(wmxsdk); + if (resp == WIMAX_API_CONNECTION_SUCCESS) { + if (status == WIMAX_API_DEVICE_STATUS_Data_Connected) { + nm_log_err(LOGD_WIMAX, "wmxsdk: error: disconnect worked, " + "but state didn't change (now it is %d [%s])", status, + iwmx_sdk_dev_status_to_str(status)); + } + } else + nm_log_err(LOGD_WIMAX, "wmxsdk: failed to disconnect (status %d: %s)", + status, iwmx_sdk_dev_status_to_str(status)); +} + +/* + * Disconnect from a network + * + * This function tells the device to disconnect; the state change + * callback will take care of inform NetworkManager's internals. + */ +int iwmx_sdk_disconnect(struct wmxsdk *wmxsdk) +{ + int result; + + WIMAX_API_RET r; + char errstr[512]; + UINT32 errstr_size = sizeof(errstr); + WIMAX_API_DEVICE_STATUS dev_status; + + g_mutex_lock(&wmxsdk->connect_mutex); + /* Guess what the current radio state is; if it is ON + * already, don't redo it. */ + dev_status = iwmx_sdk_get_device_status(wmxsdk); + if ((int) dev_status < 0) { + result = dev_status; + goto error_get_status; + } + switch (dev_status) { + case WIMAX_API_DEVICE_STATUS_UnInitialized: + nm_log_err(LOGD_WIMAX, "wmxsdk: SW BUG? HW is uninitialized"); + result = -EINVAL; + goto error_cant_do; + case WIMAX_API_DEVICE_STATUS_RF_OFF_HW_SW: + case WIMAX_API_DEVICE_STATUS_RF_OFF_HW: + case WIMAX_API_DEVICE_STATUS_RF_OFF_SW: + nm_log_dbg(LOGD_WIMAX, "Cannot disconnect, radio is off; ignoring"); + result = 0; + goto error_cant_do; + case WIMAX_API_DEVICE_STATUS_Ready: + case WIMAX_API_DEVICE_STATUS_Scanning: + nm_log_dbg(LOGD_WIMAX, "Cannot disconnect, already disconnected; ignoring"); + result = 0; + goto error_cant_do; + case WIMAX_API_DEVICE_STATUS_Connecting: + case WIMAX_API_DEVICE_STATUS_Data_Connected: + break; + default: + g_assert(1); + } + /* Ok, flip the radio */ + r = CmdDisconnectFromNetwork(&wmxsdk->device_id); + if (r != WIMAX_API_RET_SUCCESS) { + GetErrorString(&wmxsdk->device_id, r, errstr, &errstr_size); + nm_log_err(LOGD_WIMAX, "wmxsdk: Cannot disconnect from network: %d (%s)", r, errstr); + result = -EIO; + } else + result = -EINPROGRESS; +error_cant_do: +error_get_status: + g_mutex_unlock(&wmxsdk->connect_mutex); + return result; +} + +/* + * Turn fast reconnect capability on/off + * + * This function tells wimaxd to turn fast reconnect on or off. + */ +int iwmx_sdk_set_fast_reconnect_enabled(struct wmxsdk *wmxsdk, int enabled) +{ + WIMAX_API_RET r; + char errstr[512]; + UINT32 errstr_size = sizeof(errstr); + + r = SetFastReconnectCapabilityStatus(&wmxsdk->device_id, !!enabled); + if (r != WIMAX_API_RET_SUCCESS) { + GetErrorString(&wmxsdk->device_id, r, errstr, &errstr_size); + nm_log_err(LOGD_WIMAX, "wmxsdk: Cannot set fast reconnect to %d: %d (%s)", + enabled, r, errstr); + return -EIO; + } + return 0; +} + +static void __iwmx_sdk_media_status_update_cb (WIMAX_API_DEVICE_ID_P device_id, + WIMAX_API_MEDIA_STATUS mediaStatus) +{ + struct wmxsdk *wmxsdk = deviceid_to_wmxsdk(device_id); + + /* Ignore redundant LINK_UP events */ + if ( mediaStatus == WIMAX_API_MEDIA_STATUS_LINK_UP + && wmxsdk->media_status == WIMAX_API_MEDIA_STATUS_LINK_UP) + return; + + wmxsdk->media_status = mediaStatus; + + nm_log_dbg(LOGD_WIMAX, "wmxsdk: media status change to (%d) %s", + mediaStatus, iwmx_sdk_media_status_to_str (mediaStatus)); + + _schedule_media_status_change(wmxsdk, mediaStatus); +} + +/* + * Callback for state change messages + * + * Just pass them to the state transition handler + */ +static void __iwmx_sdk_state_change_cb(WIMAX_API_DEVICE_ID *device_id, + WIMAX_API_DEVICE_STATUS status, + WIMAX_API_STATUS_REASON reason, + WIMAX_API_CONNECTION_PROGRESS_INFO pi) +{ + struct wmxsdk *wmxsdk = deviceid_to_wmxsdk(device_id); + WIMAX_API_DEVICE_STATUS old_status; + + nm_log_dbg(LOGD_WIMAX, "wmxsdk: state change to (%d) %s reason (%d) %s", + status, iwmx_sdk_dev_status_to_str (status), + reason, iwmx_sdk_reason_to_str (reason)); + + g_mutex_lock(&wmxsdk->status_mutex); + old_status = wmxsdk->status; + wmxsdk->status = status; + g_mutex_unlock(&wmxsdk->status_mutex); + + _schedule_state_change(wmxsdk, status, old_status, reason, pi); +} + +/* + * Called by _iwmx_sdk_*scan_cb() when [wide or preferred] scan results + * are available. + * + * From here we update NetworkManager's idea of which networks are available. + */ +static void __iwmx_sdk_scan_common_cb(WIMAX_API_DEVICE_ID *device_id, + WIMAX_API_NSP_INFO_EX *nsp_list, + UINT32 nsp_list_size) +{ + struct wmxsdk *wmxsdk = deviceid_to_wmxsdk(device_id); + + g_mutex_lock(&wmxsdk->network_mutex); + _schedule_scan_result(wmxsdk, nsp_list, nsp_list_size); + g_mutex_unlock(&wmxsdk->network_mutex); +} + +/* + * Called by the WiMAX API when we get a wide scan result + * + * We treat them same as wide, so we just call that. + */ +static void __iwmx_sdk_wide_scan_cb(WIMAX_API_DEVICE_ID *device_id, + WIMAX_API_NSP_INFO_EX *nsp_list, + UINT32 nsp_list_size) +{ + __iwmx_sdk_scan_common_cb(device_id, nsp_list, nsp_list_size); +} + +/* + * Called by the WiMAX API when we get a normal (non wide) scan result + * + * We treat them same as wide, so we just call that. + */ +static void __iwmx_sdk_scan_cb(WIMAX_API_DEVICE_ID *device_id, + WIMAX_API_NSP_INFO_EX *nsp_list, + UINT32 nsp_list_size, UINT32 searchProgress) +{ + __iwmx_sdk_scan_common_cb(device_id, nsp_list, nsp_list_size); +} + +/* + * Called to ask the device to scan for networks + * + * We don't really scan as the WiMAX SDK daemon scans in the + * background for us. We just get the results and hand them back via + * the scan_result_cb callback. + */ +int iwmx_sdk_get_networks(struct wmxsdk *wmxsdk) +{ + int result; + + UINT32 nsp_list_length = 10; + WIMAX_API_NSP_INFO_EX nsp_list[10]; /* FIXME: up to 32? */ + + WIMAX_API_RET r; + char errstr[512]; + UINT32 errstr_size = sizeof(errstr); + + r = GetNetworkListEx(&wmxsdk->device_id, nsp_list, &nsp_list_length); + if (r != WIMAX_API_RET_SUCCESS) { + GetErrorString(&wmxsdk->device_id, r, errstr, &errstr_size); + nm_log_err(LOGD_WIMAX, "wmxsdk: Cannot get network list: %d (%s)", r, errstr); + result = -EIO; + goto error_scan; + } + + if (nsp_list_length == 0) { + nm_log_dbg(LOGD_WIMAX, "no networks"); + } else + __iwmx_sdk_scan_common_cb(&wmxsdk->device_id, nsp_list, + nsp_list_length); + result = 0; +error_scan: + return result; +} + +/* + * Initialize the WiMAX API, register with it, setup callbacks + * + */ +static int iwmx_sdk_setup(struct wmxsdk *wmxsdk) +{ + int result, status; + + WIMAX_API_RET r; + + char errstr[512]; + UINT32 errstr_size = sizeof(errstr); + + result = -ENFILE; + + /* device_id initialized by iwmx_sdk_dev_add */ + + r = WiMaxDeviceOpen(&wmxsdk->device_id); + if (r != WIMAX_API_RET_SUCCESS) { + GetErrorString(&wmxsdk->device_id, r, errstr, &errstr_size); + nm_log_err(LOGD_WIMAX, "wmxsdk: Cannot open device: %d (%s)", r, errstr); + goto error_wimaxdeviceopen; + } + + /* + * We scan in auto mode (in the background) + * + * Otherwise is messy -- if we have NetworkManager triggering a scan + * when we call iwmx_nm_scan() -> iwmx_sdk_scan(), most of the + * times that causes a race condition when the UI asks for a + * scan right before displaying the network menu. As there is + * no way to cancel an ongoing scan before connecting, we are + * stuck. So we do auto bg and have iwmx_sdk_scan() just return + * the current network list. + */ + r = SetConnectionMode(&wmxsdk->device_id, + WIMAX_API_CONNECTION_AUTO_SCAN_MANUAL_CONNECT); + if (r != WIMAX_API_RET_SUCCESS) { + GetErrorString(&wmxsdk->device_id, r, errstr, &errstr_size); + nm_log_err(LOGD_WIMAX, "wmxsdk: Cannot set connectin mode to manual: %d (%s)", r, errstr); + goto error_connection_mode; + } + + r = SubscribeControlPowerManagement(&wmxsdk->device_id, + __iwmx_sdk_rf_state_cb); + if (r != WIMAX_API_RET_SUCCESS) { + GetErrorString(&wmxsdk->device_id, r, errstr, &errstr_size); + nm_log_err(LOGD_WIMAX, "wmxsdk: Cannot subscribe to radio change events: %u (%s)", r, errstr); + result = -EIO; + goto error_subscribe_rf_state; + } + + r = SubscribeDeviceStatusChange(&wmxsdk->device_id, + __iwmx_sdk_state_change_cb); + if (r != WIMAX_API_RET_SUCCESS) { + GetErrorString(&wmxsdk->device_id, r, errstr, &errstr_size); + nm_log_err(LOGD_WIMAX, "wmxsdk: Cannot subscribe to state chaneg events: %d (%s)", r, errstr); + goto error_subscribe_state_change; + } + + r = SubscribeNetworkSearchWideScanEx(&wmxsdk->device_id, + __iwmx_sdk_wide_scan_cb); + if (r != WIMAX_API_RET_SUCCESS) { + GetErrorString(&wmxsdk->device_id, r, errstr, &errstr_size); + nm_log_err(LOGD_WIMAX, "wmxsdk: Cannot subscribe to wide scan events: %d (%s)", r, errstr); + goto error_subscribe_wide_scan; + } + r = SubscribeNetworkSearchEx(&wmxsdk->device_id, __iwmx_sdk_scan_cb); + if (r != WIMAX_API_RET_SUCCESS) { + GetErrorString(&wmxsdk->device_id, r, errstr, &errstr_size); + nm_log_err(LOGD_WIMAX, "wmxsdk: Cannot subscribe to scan events: %d (%s)", r, errstr); + goto error_subscribe_scan; + } + + r = SubscribeConnectToNetwork(&wmxsdk->device_id, + __iwmx_sdk_connect_cb); + if (r != WIMAX_API_RET_SUCCESS) { + GetErrorString(&wmxsdk->device_id, r, errstr, &errstr_size); + nm_log_err(LOGD_WIMAX, "wmxsdk: Cannot subscribe to connect events: %d (%s)", r, errstr); + goto error_subscribe_connect; + } + + r = SubscribeDisconnectToNetwork(&wmxsdk->device_id, + __iwmx_sdk_disconnect_cb); + if (r != WIMAX_API_RET_SUCCESS) { + GetErrorString(&wmxsdk->device_id, r, errstr, &errstr_size); + nm_log_err(LOGD_WIMAX, "wmxsdk: Cannot subscribe to disconnect events: %d (%s)", r, errstr); + goto error_subscribe_disconnect; + } + + r = SubscribeMediaStatusUpdate(&wmxsdk->device_id, __iwmx_sdk_media_status_update_cb); + if (r != WIMAX_API_RET_SUCCESS) { + GetErrorString(&wmxsdk->device_id, r, errstr, &errstr_size); + nm_log_err(LOGD_WIMAX, "wmxsdk: Cannot subscribe to media status events: %d (%s)", r, errstr); + goto error_subscribe_media_status; + } + + status = iwmx_sdk_get_device_status(wmxsdk); + if ((int) status < 0) + status = WIMAX_API_DEVICE_STATUS_UnInitialized; + + g_mutex_lock(&wmxsdk->status_mutex); + wmxsdk->status = status; + g_mutex_unlock(&wmxsdk->status_mutex); + + _schedule_state_change(wmxsdk, + status, + WIMAX_API_DEVICE_STATUS_UnInitialized, + WIMAX_API_STATUS_REASON_Normal, + WIMAX_API_DEVICE_CONNECTION_PROGRESS_Ranging); + + return 0; + + UnsubscribeMediaStatusUpdate(&wmxsdk->device_id); +error_subscribe_media_status: + UnsubscribeDisconnectToNetwork(&wmxsdk->device_id); +error_subscribe_disconnect: + UnsubscribeConnectToNetwork(&wmxsdk->device_id); +error_subscribe_connect: + UnsubscribeNetworkSearchEx(&wmxsdk->device_id); +error_subscribe_scan: + UnsubscribeNetworkSearchWideScanEx(&wmxsdk->device_id); +error_subscribe_wide_scan: + UnsubscribeDeviceStatusChange(&wmxsdk->device_id); +error_subscribe_state_change: + UnsubscribeControlPowerManagement(&wmxsdk->device_id); +error_subscribe_rf_state: +error_connection_mode: + WiMaxDeviceClose(&wmxsdk->device_id); +error_wimaxdeviceopen: + return result; +} + +/* + * Called when a device is torn down + * + * Cleanup all that is done in iwmx_sdk_setup(). Remove callbacks, + * unregister from the WiMAX API. + */ +static void iwmx_sdk_remove(struct wmxsdk *wmxsdk) +{ + UnsubscribeMediaStatusUpdate(&wmxsdk->device_id); + UnsubscribeDisconnectToNetwork(&wmxsdk->device_id); + UnsubscribeConnectToNetwork(&wmxsdk->device_id); + UnsubscribeNetworkSearchEx(&wmxsdk->device_id); + UnsubscribeNetworkSearchWideScanEx(&wmxsdk->device_id); + UnsubscribeDeviceStatusChange(&wmxsdk->device_id); + UnsubscribeControlPowerManagement(&wmxsdk->device_id); + WiMaxDeviceClose(&wmxsdk->device_id); +} + +void iwmx_sdk_set_callbacks(struct wmxsdk *wmxsdk, + WimaxStateChangeFunc state_change_cb, + WimaxMediaStatusFunc media_status_cb, + WimaxConnectResultFunc connect_result_cb, + WimaxScanResultFunc scan_result_cb, + WimaxRemovedFunc removed_cb, + void *user_data) +{ + wmxsdk->state_change_cb = state_change_cb; + wmxsdk->media_status_cb = media_status_cb; + wmxsdk->connect_result_cb = connect_result_cb; + wmxsdk->scan_result_cb = scan_result_cb; + wmxsdk->removed_cb = removed_cb; + wmxsdk->callback_data = user_data; +} + +/* Initialize a [zeroed] struct wmxsdk */ +static struct wmxsdk *wmxsdk_new(void) +{ + struct wmxsdk *wmxsdk; + + wmxsdk = malloc(sizeof(*wmxsdk)); + if (wmxsdk) { + memset(wmxsdk, 0, sizeof(*wmxsdk)); + + wmxsdk->refcount = 1; + g_mutex_init(&wmxsdk->network_mutex); + + wmxsdk->status = WIMAX_API_DEVICE_STATUS_UnInitialized; + g_mutex_init(&wmxsdk->status_mutex); + + g_mutex_init(&wmxsdk->connect_mutex); + } + return wmxsdk; +} + +struct wmxsdk *wmxsdk_ref(struct wmxsdk *wmxsdk) +{ + g_atomic_int_add(&wmxsdk->refcount, 1); + return wmxsdk; +} + +void wmxsdk_unref(struct wmxsdk *wmxsdk) +{ + if (g_atomic_int_dec_and_test(&wmxsdk->refcount)) { + g_mutex_clear(&wmxsdk->status_mutex); + g_mutex_clear(&wmxsdk->connect_mutex); + memset(wmxsdk, 0, sizeof(*wmxsdk)); + free(wmxsdk); + } +} + +static void iwmx_sdk_dev_add(unsigned idx, unsigned api_idx, const char *name) +{ + struct wmxsdk *wmxsdk; + const char *s; + + if (idx >= IWMX_SDK_DEV_MAX) { + nm_log_err(LOGD_WIMAX, "BUG! idx (%u) >= IWMX_SDK_DEV_MAX (%u)", idx, IWMX_SDK_DEV_MAX); + return; + } + if (g_iwmx_sdk_devs[idx] != NULL) { + nm_log_err(LOGD_WIMAX, "BUG! device index %u already enumerated?", idx); + return; + } + + wmxsdk = wmxsdk_new(); + if (wmxsdk == NULL) { + nm_log_err(LOGD_WIMAX, "Can't allocate %zu bytes", sizeof(*wmxsdk)); + return; + } + + /* + * This depends on a hack in the WiMAX Network Service; it has + * to return, as part of the device name, a string "if:IFNAME" + * where the OS's device name is stored. + */ + s = strstr(name, "if:"); + if (s == NULL + || sscanf(s, "if:%15[^ \f\n\r\t\v]", wmxsdk->ifname) != 1) { + nm_log_err(LOGD_WIMAX, "Cannot extract network interface name off '%s'", + name); + goto error; + } + nm_log_dbg(LOGD_WIMAX, "network interface name: '%s'", wmxsdk->ifname); + + strncpy(wmxsdk->name, name, sizeof(wmxsdk->name)); + wmxsdk->device_id.privilege = WIMAX_API_PRIVILEGE_READ_WRITE; + wmxsdk->device_id.deviceIndex = api_idx; + + if (iwmx_sdk_setup(wmxsdk) != 0) { + nm_log_err(LOGD_WIMAX, "wxmsdk: %s: cannot set up interface", wmxsdk->ifname); + goto error; + } + + g_iwmx_sdk_devs[idx] = wmxsdk; + + /* Notify listeners of new devices */ + iwmx_sdk_call_new_callbacks (wmxsdk); + return; + +error: + wmxsdk_unref(wmxsdk); + return; +} + +static void iwmx_sdk_dev_rm(unsigned idx) +{ + struct wmxsdk *wmxsdk; + + if (idx >= IWMX_SDK_DEV_MAX) { + nm_log_err(LOGD_WIMAX, "BUG! idx (%u) >= IWMX_SDK_DEV_MAX (%u)", idx, IWMX_SDK_DEV_MAX); + return; + } + + wmxsdk = g_iwmx_sdk_devs[idx]; + _schedule_removed(wmxsdk); + iwmx_sdk_remove(wmxsdk); + wmxsdk_unref(wmxsdk); + g_iwmx_sdk_devs[idx] = NULL; +} + +static void iwmx_sdk_addremove_cb(WIMAX_API_DEVICE_ID *devid, + BOOL presence) +{ + unsigned int cnt; + WIMAX_API_RET r; + WIMAX_API_HW_DEVICE_ID device_id_list[5]; + UINT32 device_id_list_size = ARRAY_SIZE(device_id_list); + char errstr[512]; + UINT32 errstr_size = sizeof(errstr); + + g_mutex_lock(&add_remove_mutex); + + nm_log_dbg(LOGD_WIMAX, "cb: handle %u index #%u is %d", devid->sdkHandle, + devid->deviceIndex, presence); + + r = GetListDevice(devid, device_id_list, &device_id_list_size); + if (r != WIMAX_API_RET_SUCCESS) { + GetErrorString(devid, r, errstr, &errstr_size); + nm_log_err(LOGD_WIMAX, "wmxsdk: Cannot obtain list of devices: %d (%s)", r, errstr); + goto out; + } + + if (device_id_list_size == 0) { + nm_log_dbg(LOGD_WIMAX, "No WiMAX devices reported"); + } else { + for (cnt = 0; cnt < device_id_list_size; cnt++) { + WIMAX_API_HW_DEVICE_ID *dev = + device_id_list + cnt; + nm_log_dbg(LOGD_WIMAX, "#%u index #%u device %s", cnt, + dev->deviceIndex, dev->deviceName); + } + } + + if (presence) { + WIMAX_API_HW_DEVICE_ID *dev; + + /* Make sure the wimax NS isn't lying to us */ + if (device_id_list_size < devid->deviceIndex) { + nm_log_err(LOGD_WIMAX, "wmxsdk: changed device (%u) not in the list? (%u items)", + devid->deviceIndex, device_id_list_size); + goto out; + } + + /* Add the device to our internal list */ + dev = device_id_list + devid->deviceIndex; + iwmx_sdk_dev_add(devid->deviceIndex, dev->deviceIndex, dev->deviceName); + } else { + /* Remove the device from our internal list */ + int idx = deviceid_to_index(devid); + + if (idx >= 0) + iwmx_sdk_dev_rm(idx); + } + +out: + g_mutex_unlock(&add_remove_mutex); +} + +/* + * Initialize the WiMAX API, register with it, setup callbacks for + * device coming up / dissapearing + */ +int iwmx_sdk_api_init(void) +{ + int result; + unsigned int cnt; + WIMAX_API_RET r; + char errstr[512]; + UINT32 errstr_size = sizeof(errstr); + + WIMAX_API_HW_DEVICE_ID device_id_list[5]; + UINT32 device_id_list_size = ARRAY_SIZE(device_id_list); + + memset(&g_api, 0, sizeof(g_api)); + g_api.privilege = WIMAX_API_PRIVILEGE_READ_WRITE; + + result = -EIO; + r = WiMaxAPIOpen(&g_api); + if (r != WIMAX_API_RET_SUCCESS) { + GetErrorString(&g_api, r, errstr, &errstr_size); + nm_log_err(LOGD_WIMAX, "wmxsdk: WiMaxAPIOpen failed with %d (%s)", r, errstr); + goto error_wimaxapiopen; + } + + r = SubscribeDeviceInsertRemove(&g_api, iwmx_sdk_addremove_cb); + if (r != WIMAX_API_RET_SUCCESS) { + GetErrorString(&g_api, r, errstr, &errstr_size); + nm_log_err(LOGD_WIMAX, "wmxsdk: insert/remove subscribe failed with %d (%s)", r, errstr); + goto error_close; + } + + r = GetListDevice(&g_api, device_id_list, &device_id_list_size); + if (r != WIMAX_API_RET_SUCCESS) { + GetErrorString(&g_api, r, errstr, &errstr_size); + nm_log_err(LOGD_WIMAX, "wmxsdk: Cannot obtain list of devices: %d (%s)", r, errstr); + goto error_close; + } + if (device_id_list_size < g_api.deviceIndex) { + nm_log_err(LOGD_WIMAX, "wmxsdk: changed device (%u) not in the list? (%u items)", + g_api.deviceIndex, device_id_list_size); + } + + if (device_id_list_size == 0) { + nm_log_dbg(LOGD_WIMAX, "No WiMAX devices reported"); + } else { + for (cnt = 0; cnt < device_id_list_size; cnt++) { + WIMAX_API_HW_DEVICE_ID *dev = device_id_list + cnt; + nm_log_dbg(LOGD_WIMAX, "#%u index #%u device %s", cnt, dev->deviceIndex, dev->deviceName); + iwmx_sdk_dev_add(cnt, dev->deviceIndex, dev->deviceName); + } + } + return 0; + +error_close: + WiMaxAPIClose(&g_api); +error_wimaxapiopen: + return result; +} + +void iwmx_sdk_api_exit(void) +{ + WIMAX_API_RET r; + + char errstr[512]; + UINT32 errstr_size = sizeof(errstr); + + r = WiMaxAPIClose(&g_api); + if (r != WIMAX_API_RET_SUCCESS) { + GetErrorString(&g_api, r, errstr, &errstr_size); + nm_log_err(LOGD_WIMAX, "wmxsdk: WiMaxAPIClose failed with %d (%s)", r, errstr); + } + return; +} |