diff options
Diffstat (limited to 'drivers/staging/csr/sme_native.c')
| -rw-r--r-- | drivers/staging/csr/sme_native.c | 566 |
1 files changed, 0 insertions, 566 deletions
diff --git a/drivers/staging/csr/sme_native.c b/drivers/staging/csr/sme_native.c deleted file mode 100644 index d0b9be31e12c..000000000000 --- a/drivers/staging/csr/sme_native.c +++ /dev/null @@ -1,566 +0,0 @@ -/* - * *************************************************************************** - * - * FILE: sme_native.c - * - * Copyright (C) 2005-2009 by Cambridge Silicon Radio Ltd. - * - * Refer to LICENSE.txt included with this source code for details on - * the license terms. - * - * *************************************************************************** - */ - -#include <linux/netdevice.h> -#include "unifi_priv.h" -#include "csr_wifi_hip_unifi.h" -#include "csr_wifi_hip_conversions.h" - -static const unsigned char wildcard_address[ETH_ALEN] = {0x00, 0x00, 0x00, 0x00, 0x00, 0x00}; - -int -uf_sme_init(unifi_priv_t *priv) -{ - sema_init(&priv->mlme_blocking_mutex, 1); - -#ifdef CSR_SUPPORT_WEXT - { - int r = uf_init_wext_interface(priv); - if (r != 0) { - return r; - } - } -#endif - - return 0; -} /* uf_sme_init() */ - - -void -uf_sme_deinit(unifi_priv_t *priv) -{ - - /* Free memory allocated for the scan table */ -/* unifi_clear_scan_table(priv); */ - - /* Cancel any pending workqueue tasks */ - flush_workqueue(priv->unifi_workqueue); - -#ifdef CSR_SUPPORT_WEXT - uf_deinit_wext_interface(priv); -#endif - -} /* uf_sme_deinit() */ - - -int sme_mgt_wifi_on(unifi_priv_t *priv) -{ - int r, i; - s32 csrResult; - - if (priv == NULL) { - return -EINVAL; - } - /* Initialize the interface mode to None */ - for (i=0; i<CSR_WIFI_NUM_INTERFACES; i++) { - priv->interfacePriv[i]->interfaceMode = 0; - } - - /* Set up interface mode so that get_packet_priority() can - * select the right QOS priority when WMM is enabled. - */ - priv->interfacePriv[0]->interfaceMode = CSR_WIFI_ROUTER_CTRL_MODE_STA; - - r = uf_request_firmware_files(priv, UNIFI_FW_STA); - if (r) { - unifi_error(priv, "sme_mgt_wifi_on: Failed to get f/w\n"); - return r; - } - - /* - * The request to initialise UniFi might come while UniFi is running. - * We need to block all I/O activity until the reset completes, otherwise - * an SDIO error might occur resulting an indication to the SME which - * makes it think that the initialisation has failed. - */ - priv->bh_thread.block_thread = 1; - - /* Power on UniFi */ - CsrSdioClaim(priv->sdio); - csrResult = CsrSdioPowerOn(priv->sdio); - CsrSdioRelease(priv->sdio); - if(csrResult != CSR_RESULT_SUCCESS && csrResult != CSR_SDIO_RESULT_NOT_RESET) { - return -EIO; - } - - if (csrResult == CSR_RESULT_SUCCESS) { - /* Initialise UniFi hardware */ - r = uf_init_hw(priv); - if (r) { - return r; - } - } - - /* Re-enable the I/O thread */ - priv->bh_thread.block_thread = 0; - - /* Disable deep sleep signalling during the firmware initialisation, to - * prevent the wakeup mechanism raising the SDIO clock beyond INIT before - * the first MLME-RESET.ind. It gets re-enabled at the CONNECTED.ind, - * immediately after the MLME-RESET.ind - */ - csrResult = unifi_configure_low_power_mode(priv->card, - UNIFI_LOW_POWER_DISABLED, - UNIFI_PERIODIC_WAKE_HOST_DISABLED); - if (csrResult != CSR_RESULT_SUCCESS) { - unifi_warning(priv, - "sme_mgt_wifi_on: unifi_configure_low_power_mode() returned an error\n"); - } - - - /* Start the I/O thread */ - CsrSdioClaim(priv->sdio); - r = uf_init_bh(priv); - if (r) { - CsrSdioPowerOff(priv->sdio); - CsrSdioRelease(priv->sdio); - return r; - } - CsrSdioRelease(priv->sdio); - - priv->init_progress = UNIFI_INIT_FW_DOWNLOADED; - - return 0; -} - -int -sme_sys_suspend(unifi_priv_t *priv) -{ - const int interfaceNum = 0; /* FIXME */ - CsrResult csrResult; - - /* Abort any pending requests. */ - uf_abort_mlme(priv); - - /* Allow our mlme request to go through. */ - priv->io_aborted = 0; - - /* Send MLME-RESET.req to UniFi. */ - unifi_reset_state(priv, priv->netdev[interfaceNum]->dev_addr, 0); - - /* Stop the network traffic */ - netif_carrier_off(priv->netdev[interfaceNum]); - - /* Put UniFi to deep sleep */ - CsrSdioClaim(priv->sdio); - csrResult = unifi_force_low_power_mode(priv->card); - CsrSdioRelease(priv->sdio); - - return 0; -} /* sme_sys_suspend() */ - - -int -sme_sys_resume(unifi_priv_t *priv) -{ -#ifdef CSR_SUPPORT_WEXT - /* Send disconnect event so clients will re-initialise connection. */ - memset(priv->wext_conf.current_ssid, 0, UNIFI_MAX_SSID_LEN); - memset((void*)priv->wext_conf.current_bssid, 0, ETH_ALEN); - priv->wext_conf.capability = 0; - wext_send_disassoc_event(priv); -#endif - return 0; -} /* sme_sys_resume() */ - - -/* - * --------------------------------------------------------------------------- - * sme_native_log_event - * - * Callback function to be registered as the SME event callback. - * Copies the signal content into a new udi_log_t struct and adds - * it to the read queue for the SME client. - * - * Arguments: - * arg This is the value given to unifi_add_udi_hook, in - * this case a pointer to the client instance. - * signal Pointer to the received signal. - * signal_len Size of the signal structure in bytes. - * bulkdata Pointers to any associated bulk data. - * dir Direction of the signal. Zero means from host, - * non-zero means to host. - * - * Returns: - * None. - * --------------------------------------------------------------------------- - */ -void -sme_native_log_event(ul_client_t *pcli, - const u8 *sig_packed, int sig_len, - const bulk_data_param_t *bulkdata, - int dir) -{ - unifi_priv_t *priv; - udi_log_t *logptr; - u8 *p; - int i, r; - int signal_len; - int total_len; - udi_msg_t *msgptr; - CSR_SIGNAL signal; - ul_client_t *client = pcli; - - if (client == NULL) { - unifi_error(NULL, "sme_native_log_event: client has exited\n"); - return; - } - - priv = uf_find_instance(client->instance); - if (!priv) { - unifi_error(priv, "invalid priv\n"); - return; - } - - /* Just a sanity check */ - if ((sig_packed == NULL) || (sig_len <= 0)) { - return; - } - - /* Get the unpacked signal */ - r = read_unpack_signal(sig_packed, &signal); - if (r == 0) { - signal_len = SigGetSize(&signal); - } else { - u16 receiver_id = CSR_GET_UINT16_FROM_LITTLE_ENDIAN((sig_packed) + sizeof(u16)) & 0xFF00; - - /* The control indications are 1 byte, pass them to client. */ - if (sig_len == 1) { - unifi_trace(priv, UDBG5, - "Control indication (0x%x) for native SME.\n", - *sig_packed); - - *(u8*)&signal = *sig_packed; - signal_len = sig_len; - } else if (receiver_id == 0) { - /* - * Also "unknown" signals with a ReceiverId of 0 are passed to the client - * without unpacking. (This is a code size optimisation to allow signals - * that the driver not interested in to be dropped from the unpack code). - */ - unifi_trace(priv, UDBG5, - "Signal 0x%.4X with ReceiverId 0 for native SME.\n", - CSR_GET_UINT16_FROM_LITTLE_ENDIAN(sig_packed)); - - *(u8*)&signal = *sig_packed; - signal_len = sig_len; - } else { - unifi_error(priv, - "sme_native_log_event - Received unknown signal 0x%.4X.\n", - CSR_GET_UINT16_FROM_LITTLE_ENDIAN(sig_packed)); - return; - } - } - - unifi_trace(priv, UDBG3, "sme_native_log_event: signal 0x%.4X for %d\n", - signal.SignalPrimitiveHeader.SignalId, - client->client_id); - - total_len = signal_len; - /* Calculate the buffer we need to store signal plus bulk data */ - for (i = 0; i < UNIFI_MAX_DATA_REFERENCES; i++) { - total_len += bulkdata->d[i].data_length; - } - - /* Allocate log structure plus actual signal. */ - logptr = kmalloc(sizeof(udi_log_t) + total_len, GFP_KERNEL); - - if (logptr == NULL) { - unifi_error(priv, - "Failed to allocate %d bytes for a UDI log record\n", - sizeof(udi_log_t) + total_len); - return; - } - - /* Fill in udi_log struct */ - INIT_LIST_HEAD(&logptr->q); - msgptr = &logptr->msg; - msgptr->length = sizeof(udi_msg_t) + total_len; - msgptr->timestamp = jiffies_to_msecs(jiffies); - msgptr->direction = dir; - msgptr->signal_length = signal_len; - - /* Copy signal and bulk data to the log */ - p = (u8 *)(msgptr + 1); - memcpy(p, &signal, signal_len); - p += signal_len; - - /* Append any bulk data */ - for (i = 0; i < UNIFI_MAX_DATA_REFERENCES; i++) { - int len = bulkdata->d[i].data_length; - - /* - * Len here might not be the same as the length in the bulk data slot. - * The slot length will always be even, but len could be odd. - */ - if (len > 0) { - if (bulkdata->d[i].os_data_ptr) { - memcpy(p, bulkdata->d[i].os_data_ptr, len); - } else { - memset(p, 0, len); - } - p += len; - } - } - - /* Add to tail of log queue */ - down(&client->udi_sem); - list_add_tail(&logptr->q, &client->udi_log); - up(&client->udi_sem); - - /* Wake any waiting user process */ - wake_up_interruptible(&client->udi_wq); - -} /* sme_native_log_event() */ - - -/* - * --------------------------------------------------------------------------- - * unifi_ta_indicate_protocol - * - * Report that a packet of a particular type has been seen - * - * Arguments: - * drv_priv The device context pointer passed to ta_init. - * protocol The protocol type enum value. - * direction Whether the packet was a tx or rx. - * src_addr The source MAC address from the data packet. - * - * Returns: - * None. - * - * Notes: - * We defer the actual sending to a background workqueue, - * see uf_ta_ind_wq(). - * --------------------------------------------------------------------------- - */ -void -unifi_ta_indicate_protocol(void *ospriv, - CsrWifiRouterCtrlTrafficPacketType packet_type, - CsrWifiRouterCtrlProtocolDirection direction, - const CsrWifiMacAddress *src_addr) -{ - -} /* unifi_ta_indicate_protocol */ - -/* - * --------------------------------------------------------------------------- - * unifi_ta_indicate_sampling - * - * Send the TA sampling information to the SME. - * - * Arguments: - * drv_priv The device context pointer passed to ta_init. - * stats The TA sampling data to send. - * - * Returns: - * None. - * --------------------------------------------------------------------------- - */ -void -unifi_ta_indicate_sampling(void *ospriv, CsrWifiRouterCtrlTrafficStats *stats) -{ - -} /* unifi_ta_indicate_sampling() */ - - -void -unifi_ta_indicate_l4stats(void *ospriv, - u32 rxTcpThroughput, - u32 txTcpThroughput, - u32 rxUdpThroughput, - u32 txUdpThroughput) -{ - -} /* unifi_ta_indicate_l4stats() */ - -/* - * --------------------------------------------------------------------------- - * uf_native_process_udi_signal - * - * Process interesting signals from the UDI interface. - * - * Arguments: - * pcli A pointer to the client instance. - * signal Pointer to the received signal. - * signal_len Size of the signal structure in bytes. - * bulkdata Pointers to any associated bulk data. - * dir Direction of the signal. Zero means from host, - * non-zero means to host. - * - * - * Returns: - * None. - * --------------------------------------------------------------------------- - */ -void -uf_native_process_udi_signal(ul_client_t *pcli, - const u8 *packed_signal, int packed_signal_len, - const bulk_data_param_t *bulkdata, int dir) -{ - -} /* uf_native_process_udi_signal() */ - - -/* - * --------------------------------------------------------------------------- - * sme_native_mlme_event_handler - * - * Callback function to be used as the udi_event_callback when registering - * as a client. - * This function implements a blocking request-reply interface for WEXT. - * To use it, a client specifies this function as the udi_event_callback - * to ul_register_client(). The signal dispatcher in - * unifi_receive_event() will call this function to deliver a signal. - * - * Arguments: - * pcli Pointer to the client instance. - * signal Pointer to the received signal. - * signal_len Size of the signal structure in bytes. - * bulkdata Pointer to structure containing any associated bulk data. - * dir Direction of the signal. Zero means from host, - * non-zero means to host. - * - * Returns: - * None. - * --------------------------------------------------------------------------- - */ -void -sme_native_mlme_event_handler(ul_client_t *pcli, - const u8 *sig_packed, int sig_len, - const bulk_data_param_t *bulkdata, - int dir) -{ - CSR_SIGNAL signal; - int signal_len; - unifi_priv_t *priv = uf_find_instance(pcli->instance); - int id, r; - - /* Just a sanity check */ - if ((sig_packed == NULL) || (sig_len <= 0)) { - return; - } - - /* Get the unpacked signal */ - r = read_unpack_signal(sig_packed, &signal); - if (r == 0) { - signal_len = SigGetSize(&signal); - } else { - unifi_error(priv, - "sme_native_mlme_event_handler - Received unknown signal 0x%.4X.\n", - CSR_GET_UINT16_FROM_LITTLE_ENDIAN(sig_packed)); - return; - } - - id = signal.SignalPrimitiveHeader.SignalId; - unifi_trace(priv, UDBG4, "wext - Process signal 0x%.4X\n", id); - - /* - * Take the appropriate action for the signal. - */ - switch (id) { - /* - * Confirm replies from UniFi. - * These all have zero or one CSR_DATAREF member. (FIXME: check this is still true for softmac) - */ - case CSR_MA_PACKET_CONFIRM_ID: - case CSR_MLME_RESET_CONFIRM_ID: - case CSR_MLME_GET_CONFIRM_ID: - case CSR_MLME_SET_CONFIRM_ID: - case CSR_MLME_GET_NEXT_CONFIRM_ID: - case CSR_MLME_POWERMGT_CONFIRM_ID: - case CSR_MLME_SCAN_CONFIRM_ID: - case CSR_MLME_HL_SYNC_CONFIRM_ID: - case CSR_MLME_MEASURE_CONFIRM_ID: - case CSR_MLME_SETKEYS_CONFIRM_ID: - case CSR_MLME_DELETEKEYS_CONFIRM_ID: - case CSR_MLME_HL_SYNC_CANCEL_CONFIRM_ID: - case CSR_MLME_ADD_PERIODIC_CONFIRM_ID: - case CSR_MLME_DEL_PERIODIC_CONFIRM_ID: - case CSR_MLME_ADD_AUTONOMOUS_SCAN_CONFIRM_ID: - case CSR_MLME_DEL_AUTONOMOUS_SCAN_CONFIRM_ID: - case CSR_MLME_SET_PACKET_FILTER_CONFIRM_ID: - case CSR_MLME_STOP_MEASURE_CONFIRM_ID: - case CSR_MLME_PAUSE_AUTONOMOUS_SCAN_CONFIRM_ID: - case CSR_MLME_ADD_TRIGGERED_GET_CONFIRM_ID: - case CSR_MLME_DEL_TRIGGERED_GET_CONFIRM_ID: - case CSR_MLME_ADD_BLACKOUT_CONFIRM_ID: - case CSR_MLME_DEL_BLACKOUT_CONFIRM_ID: - case CSR_MLME_ADD_RX_TRIGGER_CONFIRM_ID: - case CSR_MLME_DEL_RX_TRIGGER_CONFIRM_ID: - case CSR_MLME_CONNECT_STATUS_CONFIRM_ID: - case CSR_MLME_MODIFY_BSS_PARAMETER_CONFIRM_ID: - case CSR_MLME_ADD_TEMPLATE_CONFIRM_ID: - case CSR_MLME_CONFIG_QUEUE_CONFIRM_ID: - case CSR_MLME_ADD_TSPEC_CONFIRM_ID: - case CSR_MLME_DEL_TSPEC_CONFIRM_ID: - case CSR_MLME_START_AGGREGATION_CONFIRM_ID: - case CSR_MLME_STOP_AGGREGATION_CONFIRM_ID: - case CSR_MLME_SM_START_CONFIRM_ID: - case CSR_MLME_LEAVE_CONFIRM_ID: - case CSR_MLME_SET_TIM_CONFIRM_ID: - case CSR_MLME_GET_KEY_SEQUENCE_CONFIRM_ID: - case CSR_MLME_SET_CHANNEL_CONFIRM_ID: - case CSR_MLME_ADD_MULTICAST_ADDRESS_CONFIRM_ID: - case CSR_DEBUG_GENERIC_CONFIRM_ID: - unifi_mlme_copy_reply_and_wakeup_client(pcli, &signal, signal_len, bulkdata); - break; - - case CSR_MLME_CONNECTED_INDICATION_ID: - /* We currently ignore the connected-ind for softmac f/w development */ - unifi_info(priv, "CSR_MLME_CONNECTED_INDICATION_ID ignored\n"); - break; - - default: - break; - } - -} /* sme_native_mlme_event_handler() */ - - - -/* - * ------------------------------------------------------------------------- - * unifi_reset_state - * - * Ensure that a MAC address has been set. - * Send the MLME-RESET signal. - * This must be called at least once before starting to do any - * network activities (e.g. scan, join etc). - * - * Arguments: - * priv Pointer to device private context struct - * macaddr Pointer to chip MAC address. - * If this is FF:FF:FF:FF:FF:FF it will be replaced - * with the MAC address from the chip. - * set_default_mib 1 if the f/w must reset the MIB to the default values - * 0 otherwise - * - * Returns: - * 0 on success, an error code otherwise. - * ------------------------------------------------------------------------- - */ -int -unifi_reset_state(unifi_priv_t *priv, unsigned char *macaddr, - unsigned char set_default_mib) -{ - int r = 0; - -#ifdef CSR_SUPPORT_WEXT - /* The reset clears any 802.11 association. */ - priv->wext_conf.flag_associated = 0; -#endif - - return r; -} /* unifi_reset_state() */ - |