diff options
Diffstat (limited to 'drivers/staging/csr/sme_sys.c')
| -rw-r--r-- | drivers/staging/csr/sme_sys.c | 3262 |
1 files changed, 3262 insertions, 0 deletions
diff --git a/drivers/staging/csr/sme_sys.c b/drivers/staging/csr/sme_sys.c new file mode 100644 index 000000000000..99de27e678d2 --- /dev/null +++ b/drivers/staging/csr/sme_sys.c @@ -0,0 +1,3262 @@ +/* + * --------------------------------------------------------------------------- + * FILE: sme_sys.c + * + * PURPOSE: + * Driver specific implementation of the SME SYS SAP. + * It is part of the porting exercise. + * + * Copyright (C) 2008-2011 by Cambridge Silicon Radio Ltd. + * + * Refer to LICENSE.txt included with this source code for details on + * the license terms. + * + * --------------------------------------------------------------------------- + */ + +#include "csr_wifi_hip_unifiversion.h" +#include "unifi_priv.h" +#include "csr_wifi_hip_conversions.h" +#ifdef CSR_SUPPORT_WEXT_AP +#include "csr_wifi_sme_sef.h" +#endif + + +/* + * This file implements the SME SYS API and contains the following functions: + * CsrWifiRouterCtrlMediaStatusReqHandler() + * CsrWifiRouterCtrlHipReqHandler() + * CsrWifiRouterCtrlPortConfigureReqHandler() + * CsrWifiRouterCtrlWifiOnReqHandler() + * CsrWifiRouterCtrlWifiOffReqHandler() + * CsrWifiRouterCtrlSuspendResHandler() + * CsrWifiRouterCtrlResumeResHandler() + * CsrWifiRouterCtrlQosControlReqHandler() + * CsrWifiRouterCtrlConfigurePowerModeReqHandler() + * CsrWifiRouterCtrlWifiOnResHandler() + * CsrWifiRouterCtrlWifiOffRspHandler() + * CsrWifiRouterCtrlMulticastAddressResHandler() + * CsrWifiRouterCtrlTrafficConfigReqHandler() + * CsrWifiRouterCtrlTrafficClassificationReqHandler() + * CsrWifiRouterCtrlTclasAddReqHandler() + * CsrWifiRouterCtrlTclasDelReqHandler() + * CsrWifiRouterCtrlSetModeReqHandler() + * CsrWifiRouterCtrlWapiMulticastFilterReqHandler() + * CsrWifiRouterCtrlWapiUnicastFilterReqHandler() + * CsrWifiRouterCtrlWapiUnicastTxPktReqHandler() + * CsrWifiRouterCtrlWapiRxPktReqHandler() + * CsrWifiRouterCtrlWapiFilterReqHandler() + */ + +#ifdef CSR_SUPPORT_SME +static void check_inactivity_timer_expire_func(unsigned long data); +void uf_send_disconnected_ind_wq(struct work_struct *work); +#endif + +void send_auto_ma_packet_confirm(unifi_priv_t *priv, + netInterface_priv_t *interfacePriv, + struct list_head *buffered_frames_list) +{ + tx_buffered_packets_t *buffered_frame_item = NULL; + struct list_head *listHead; + struct list_head *placeHolder; + int client_id; + + CSR_SIGNAL unpacked_signal; + u8 sigbuf[UNIFI_PACKED_SIGBUF_SIZE]; + u16 packed_siglen; + + + list_for_each_safe(listHead, placeHolder, buffered_frames_list) + { + buffered_frame_item = list_entry(listHead, tx_buffered_packets_t, q); + + if(!buffered_frame_item) { + unifi_error(priv, "Entry should exist, otherwise it is a (BUG)\n"); + continue; + } + + if ((interfacePriv->interfaceMode != CSR_WIFI_ROUTER_CTRL_MODE_NONE) && + (priv->wifi_on_state == wifi_on_done)) + { + + unifi_warning(priv, "Send MA_PACKET_CONFIRM to SenderProcessId = %x for (HostTag = %x TransmissionControl = %x)\n", + (buffered_frame_item->leSenderProcessId), + buffered_frame_item->hostTag, + buffered_frame_item->transmissionControl); + + client_id = buffered_frame_item->leSenderProcessId & 0xFF00; + + if (client_id == priv->sme_cli->sender_id) + { + /* construct a MA-PACKET.confirm message for SME */ + memset(&unpacked_signal, 0, sizeof(unpacked_signal)); + unpacked_signal.SignalPrimitiveHeader.SignalId = CSR_MA_PACKET_CONFIRM_ID; + unpacked_signal.SignalPrimitiveHeader.ReceiverProcessId = buffered_frame_item->leSenderProcessId; + unpacked_signal.SignalPrimitiveHeader.SenderProcessId = CSR_WIFI_ROUTER_IFACEQUEUE; + + unpacked_signal.u.MaPacketConfirm.VirtualInterfaceIdentifier = uf_get_vif_identifier(interfacePriv->interfaceMode, + interfacePriv->InterfaceTag); + unpacked_signal.u.MaPacketConfirm.TransmissionStatus = CSR_RESULT_FAILURE; + unpacked_signal.u.MaPacketConfirm.RetryCount = 0; + unpacked_signal.u.MaPacketConfirm.Rate = buffered_frame_item->rate; + unpacked_signal.u.MaPacketConfirm.HostTag = buffered_frame_item->hostTag; + + write_pack(&unpacked_signal, sigbuf, &packed_siglen); + unifi_warning(priv, "MA_PACKET_CONFIRM for SME (0x%x, 0x%x, 0x%x, 0x%x)\n", + unpacked_signal.SignalPrimitiveHeader.ReceiverProcessId, + unpacked_signal.SignalPrimitiveHeader.SenderProcessId, + unpacked_signal.u.MaPacketConfirm.VirtualInterfaceIdentifier, + unpacked_signal.u.MaPacketConfirm.HostTag); + + CsrWifiRouterCtrlHipIndSend(priv->CSR_WIFI_SME_IFACEQUEUE, + packed_siglen, + (u8 *)sigbuf, + 0, NULL, + 0, NULL); + } + else if((buffered_frame_item->hostTag & 0x80000000)) + { + /* construct a MA-PACKET.confirm message for NME */ + unifi_warning(priv, "MA_PACKET_CONFIRM for NME (0x%x, 0x%x, 0x%x, 0x%x)\n", + buffered_frame_item->leSenderProcessId, + buffered_frame_item->interfaceTag, + buffered_frame_item->transmissionControl, + (buffered_frame_item->hostTag & 0x3FFFFFFF)); + + CsrWifiRouterMaPacketCfmSend((buffered_frame_item->leSenderProcessId & 0xFF), + buffered_frame_item->interfaceTag, + CSR_RESULT_FAILURE, + (buffered_frame_item->hostTag & 0x3FFFFFFF), + buffered_frame_item->rate); + + } + else + { + unifi_warning(priv, "Buffered packet dropped without sending a confirm\n"); + } + + } + + list_del(listHead); + kfree(buffered_frame_item); + buffered_frame_item = NULL; + } +} + +void CsrWifiRouterCtrlMediaStatusReqHandler(void* drvpriv, CsrWifiFsmEvent* msg) +{ + unifi_priv_t *priv = (unifi_priv_t*)drvpriv; + CsrWifiRouterCtrlMediaStatusReq* req = (CsrWifiRouterCtrlMediaStatusReq*)msg; + netInterface_priv_t *interfacePriv = priv->interfacePriv[req->interfaceTag]; + unsigned long flags; + + if (priv->smepriv == NULL) { + unifi_error(priv, "CsrWifiRouterCtrlMediaStatusReqHandler: invalid smepriv\n"); + return; + } + if (req->interfaceTag >= CSR_WIFI_NUM_INTERFACES) { + unifi_error(priv, "CsrWifiRouterCtrlMediaStatusReqHandler: invalid interfaceTag\n"); + return; + } + unifi_trace(priv, UDBG3, "CsrWifiRouterCtrlMediaStatusReqHandler: Mode = %d req->mediaStatus = %d\n",interfacePriv->interfaceMode,req->mediaStatus); + if (interfacePriv->interfaceMode != CSR_WIFI_ROUTER_CTRL_MODE_AMP) { + bulk_data_desc_t bulk_data; + + bulk_data.data_length = 0; + + spin_lock_irqsave(&priv->m4_lock, flags); + if (interfacePriv->m4_bulk_data.data_length > 0) { + bulk_data = interfacePriv->m4_bulk_data; + interfacePriv->m4_bulk_data.net_buf_length = 0; + interfacePriv->m4_bulk_data.data_length = 0; + interfacePriv->m4_bulk_data.os_data_ptr = interfacePriv->m4_bulk_data.os_net_buf_ptr = NULL; + } + spin_unlock_irqrestore(&priv->m4_lock, flags); + + if (bulk_data.data_length != 0) { + unifi_trace(priv, UDBG5, "CsrWifiRouterCtrlMediaStatusReqHandler: free M4\n"); + unifi_net_data_free(priv, &bulk_data); + } + + if ((req->mediaStatus == CSR_WIFI_SME_MEDIA_STATUS_CONNECTED) && + (interfacePriv->connected != UnifiConnected)) { + + switch(interfacePriv->interfaceMode){ + case CSR_WIFI_ROUTER_CTRL_MODE_AP: + case CSR_WIFI_ROUTER_CTRL_MODE_P2PGO: + interfacePriv->connected = UnifiConnected; + netif_carrier_on(priv->netdev[req->interfaceTag]); +#ifdef CSR_SUPPORT_WEXT + wext_send_started_event(priv); +#endif + unifi_trace(priv, UDBG1, + "CsrWifiRouterCtrlMediaStatusReqHandler: AP/P2PGO setting netif_carrier_on\n"); + UF_NETIF_TX_WAKE_ALL_QUEUES(priv->netdev[req->interfaceTag]); + break; + + default: +#ifdef CSR_SUPPORT_WEXT + /* In the WEXT builds (sme and native), the userspace is not ready + * to process any EAPOL or WAPI packets, until it has been informed + * of the NETDEV_CHANGE. + */ + if (interfacePriv->netdev_callback_registered && (interfacePriv->interfaceMode != CSR_WIFI_ROUTER_CTRL_MODE_P2PCLI)) { + interfacePriv->wait_netdev_change = TRUE; + unifi_trace(priv, UDBG1, + "CsrWifiRouterCtrlMediaStatusReqHandler: waiting for NETDEV_CHANGE\n"); + /* + * Carrier can go to on, only after wait_netdev_change is set to TRUE. + * Otherwise there can be a race in uf_netdev_event(). + */ + netif_carrier_on(priv->netdev[req->interfaceTag]); + unifi_trace(priv, UDBG1, + "CsrWifiRouterCtrlMediaStatusReqHandler: STA/P2PCLI setting netif_carrier_on\n"); + } + else +#endif + { + /* In the NME build, the userspace does not wait for the NETDEV_CHANGE + * so it is ready to process all the EAPOL or WAPI packets. + * At this point, we enable all the Tx queues, and we indicate any packets + * that are queued (and the respective port is opened). + */ + static const CsrWifiMacAddress broadcast_address = {{0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF}}; + interfacePriv->connected = UnifiConnected; + unifi_trace(priv, UDBG1, + "CsrWifiRouterMediaStatusReqHandler: UnifiConnected && netif_carrier_on\n"); + netif_carrier_on(priv->netdev[req->interfaceTag]); + UF_NETIF_TX_WAKE_ALL_QUEUES(priv->netdev[req->interfaceTag]); + uf_process_rx_pending_queue(priv, UF_UNCONTROLLED_PORT_Q, broadcast_address, 1, interfacePriv->InterfaceTag); + uf_process_rx_pending_queue(priv, UF_CONTROLLED_PORT_Q, broadcast_address, 1, interfacePriv->InterfaceTag); + } + break; + } + } + + if (req->mediaStatus == CSR_WIFI_SME_MEDIA_STATUS_DISCONNECTED) { +#ifdef CSR_SUPPORT_WEXT + unifi_trace(priv, UDBG1, + "CsrWifiRouterMediaStatusReqHandler: cancel waiting for NETDEV_CHANGE\n"); + interfacePriv->wait_netdev_change = FALSE; +#endif + unifi_trace(priv, UDBG1, + "CsrWifiRouterMediaStatusReqHandler: setting netif_carrier_off\n"); + netif_carrier_off(priv->netdev[req->interfaceTag]); +#ifdef CSR_SUPPORT_WEXT + switch(interfacePriv->interfaceMode){ + case CSR_WIFI_ROUTER_CTRL_MODE_AP: + case CSR_WIFI_ROUTER_CTRL_MODE_P2PGO: + wext_send_started_event(priv); + break; + default: + break; + } +#endif + interfacePriv->connected = UnifiNotConnected; + } + } else { + /* For AMP, just update the L2 connected flag */ + if (req->mediaStatus == CSR_WIFI_SME_MEDIA_STATUS_CONNECTED) { + unifi_trace(priv, UDBG1, "CsrWifiRouterCtrlMediaStatusReqHandler: AMP connected\n"); + interfacePriv->connected = UnifiConnected; + } else { + unifi_trace(priv, UDBG1, "CsrWifiRouterCtrlMediaStatusReqHandler: AMP disconnected\n"); + interfacePriv->connected = UnifiNotConnected; + } + } +} + + +void CsrWifiRouterCtrlHipReqHandler(void* drvpriv, CsrWifiFsmEvent* msg) +{ + unifi_priv_t *priv = (unifi_priv_t*)drvpriv; + CsrWifiRouterCtrlHipReq* hipreq = (CsrWifiRouterCtrlHipReq*)msg; + bulk_data_param_t bulkdata; + u8 *signal_ptr; + int signal_length; + int r=0; + void *dest; + CsrResult csrResult; + CSR_SIGNAL *signal; + u16 interfaceTag = 0; + CSR_MA_PACKET_REQUEST *req; + netInterface_priv_t *interfacePriv = priv->interfacePriv[interfaceTag]; + + if (priv == NULL) { + return; + } + if (priv->smepriv == NULL) { + unifi_error(priv, "CsrWifiRouterCtrlHipReqHandler: invalid smepriv\n"); + return; + } + if (interfaceTag >= CSR_WIFI_NUM_INTERFACES) { + unifi_error(priv, "CsrWifiRouterCtrlHipReqHandler: invalid interfaceTag\n"); + return; + } + + /* Initialize bulkdata to avoid os_net_buf is garbage */ + memset(&bulkdata, 0, sizeof(bulk_data_param_t)); + + signal = (CSR_SIGNAL *)hipreq->mlmeCommand; + + unifi_trace(priv, UDBG4, "CsrWifiRouterCtrlHipReqHandler: 0x04%X ---->\n", + *((u16*)hipreq->mlmeCommand)); + + /* Construct the signal. */ + signal_ptr = (u8*)hipreq->mlmeCommand; + signal_length = hipreq->mlmeCommandLength; + + /* + * The MSB of the sender ID needs to be set to the client ID. + * The LSB is controlled by the SME. + */ + signal_ptr[5] = (priv->sme_cli->sender_id >> 8) & 0xff; + + /* Allocate buffers for the bulk data. */ + if (hipreq->dataRef1Length) { + csrResult = unifi_net_data_malloc(priv, &bulkdata.d[0], hipreq->dataRef1Length); + if (csrResult == CSR_RESULT_SUCCESS) { + dest = (void*)bulkdata.d[0].os_data_ptr; + memcpy(dest, hipreq->dataRef1, hipreq->dataRef1Length); + bulkdata.d[0].data_length = hipreq->dataRef1Length; + } else { + unifi_warning(priv, "signal not sent down, allocation failed in CsrWifiRouterCtrlHipReqHandler\n"); + return; + } + } else { + bulkdata.d[0].os_data_ptr = NULL; + bulkdata.d[0].data_length = 0; + } + if (hipreq->dataRef2Length) { + csrResult = unifi_net_data_malloc(priv, &bulkdata.d[1], hipreq->dataRef2Length); + if (csrResult == CSR_RESULT_SUCCESS) { + dest = (void*)bulkdata.d[1].os_data_ptr; + memcpy(dest, hipreq->dataRef2, hipreq->dataRef2Length); + bulkdata.d[1].data_length = hipreq->dataRef2Length; + } else { + if (bulkdata.d[0].data_length) + { + unifi_net_data_free(priv, &bulkdata.d[0]); + } + unifi_warning(priv, "signal not sent down, allocation failed in CsrWifiRouterCtrlHipReqHandler\n"); + return; + } + } else { + bulkdata.d[1].os_data_ptr = NULL; + bulkdata.d[1].data_length = 0; + } + + unifi_trace(priv, UDBG3, "SME SEND: Signal 0x%.4X \n", + *((u16*)signal_ptr)); + if (signal->SignalPrimitiveHeader.SignalId == CSR_MA_PACKET_REQUEST_ID) + { + CSR_SIGNAL unpacked_signal; + read_unpack_signal((u8 *) signal, &unpacked_signal); + req = &unpacked_signal.u.MaPacketRequest; + interfaceTag = req->VirtualInterfaceIdentifier & 0xff; + switch(interfacePriv->interfaceMode) + { + case CSR_WIFI_ROUTER_CTRL_MODE_NONE: + unifi_error(priv, "CsrWifiRouterCtrlHipReqHandler: invalid mode: NONE \n"); + break; + default: + unifi_trace(priv, UDBG5, "mode is %x\n", interfacePriv->interfaceMode); + } + /* While sending ensure that first 2 bits b31 and b30 are 00. These are used for local routing*/ + r = uf_process_ma_packet_req(priv, req->Ra.x, (req->HostTag & 0x3FFFFFFF), interfaceTag, + req->TransmissionControl, req->TransmitRate, + req->Priority, signal->SignalPrimitiveHeader.SenderProcessId, + &bulkdata); + if (r) + { + if (bulkdata.d[0].data_length) + { + unifi_net_data_free(priv, &bulkdata.d[0]); + } + if (bulkdata.d[1].data_length) + { + unifi_net_data_free(priv, &bulkdata.d[1]); + } + } + } else { + /* ul_send_signal_raw frees the bulk data if it fails */ + r = ul_send_signal_raw(priv, signal_ptr, signal_length, &bulkdata); + } + + if (r) { + unifi_error(priv, + "CsrWifiRouterCtrlHipReqHandler: Failed to send signal (0x%.4X - %u)\n", + *((u16*)signal_ptr), r); + CsrWifiRouterCtrlWifiOffIndSend(priv->CSR_WIFI_SME_IFACEQUEUE,0,CSR_WIFI_SME_CONTROL_INDICATION_ERROR); + } + + unifi_trace(priv, UDBG4, "CsrWifiRouterCtrlHipReqHandler: <----\n"); +} + +#ifdef CSR_WIFI_SEND_GRATUITOUS_ARP +static void +uf_send_gratuitous_arp(unifi_priv_t *priv, u16 interfaceTag) +{ + netInterface_priv_t *interfacePriv = priv->interfacePriv[interfaceTag]; + CSR_PRIORITY priority; + CSR_SIGNAL signal; + bulk_data_param_t bulkdata; + CsrResult csrResult; + struct sk_buff *skb, *newSkb = NULL; + s8 protection; + int r; + static const u8 arp_req[36] = {0xaa, 0xaa, 0x03, 0x00, 0x00, 0x00, + 0x08, 0x06, 0x00, 0x01, 0x08, 0x00, 0x06, 0x04, 0x00, 0x01, + 0x00, 0x02, 0x5f, 0x20, 0x2f, 0x02, + 0xc0, 0xa8, 0x00, 0x02, + 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, + 0xc0, 0xa8, 0x00, 0x02}; + + func_enter(); + + csrResult = unifi_net_data_malloc(priv, &bulkdata.d[0], sizeof(arp_req)); + if (csrResult != CSR_RESULT_SUCCESS) + { + unifi_error(priv, "Failed to allocate bulk data in CsrWifiSmeRoamCompleteIndHandler()\n"); + return; + } + skb = (struct sk_buff *)(bulkdata.d[0].os_net_buf_ptr); + skb->len = bulkdata.d[0].data_length; + + memcpy(skb->data, arp_req, sizeof(arp_req)); + /* add MAC and IP address */ + memcpy(skb->data + 16, priv->netdev[interfaceTag]->dev_addr, ETH_ALEN); + skb->data[22] = (priv->sta_ip_address ) & 0xFF; + skb->data[23] = (priv->sta_ip_address >> 8) & 0xFF; + skb->data[24] = (priv->sta_ip_address >> 16) & 0xFF; + skb->data[25] = (priv->sta_ip_address >> 24) & 0xFF; + skb->data[32] = (priv->sta_ip_address ) & 0xFF; + skb->data[33] = (priv->sta_ip_address >> 8) & 0xFF; + skb->data[34] = (priv->sta_ip_address >> 16) & 0xFF; + skb->data[35] = (priv->sta_ip_address >> 24) & 0xFF; + + bulkdata.d[1].os_data_ptr = NULL; + bulkdata.d[1].os_net_buf_ptr = NULL; + bulkdata.d[1].net_buf_length = bulkdata.d[1].data_length = 0; + + if ((protection = uf_get_protection_bit_from_interfacemode(priv, interfaceTag, &arp_req[26])) < 0) + { + unifi_error(priv, "CsrWifiSmeRoamCompleteIndHandler: Failed to determine protection mode\n"); + unifi_net_data_free(priv, &bulkdata.d[0]); + return; + } + + if ((priv->sta_wmm_capabilities & QOS_CAPABILITY_WMM_ENABLED) == 1) + { + priority = CSR_QOS_UP0; + } + else + { + priority = CSR_CONTENTION; + } + + if (prepare_and_add_macheader(priv, skb, newSkb, priority, &bulkdata, + interfaceTag, &arp_req[26], + priv->netdev[interfaceTag]->dev_addr, protection)) + { + unifi_error(priv, "CsrWifiSmeRoamCompleteIndHandler: failed to create MAC header\n"); + unifi_net_data_free(priv, &bulkdata.d[0]); + return; + } + bulkdata.d[0].os_data_ptr = skb->data; + bulkdata.d[0].os_net_buf_ptr = skb; + bulkdata.d[0].data_length = skb->len; + + unifi_frame_ma_packet_req(priv, priority, 0, 0xffffffff, interfaceTag, + CSR_NO_CONFIRM_REQUIRED, priv->netdev_client->sender_id, + interfacePriv->bssid.a, &signal); + + r = ul_send_signal_unpacked(priv, &signal, &bulkdata); + if (r) + { + unifi_error(priv, "CsrWifiSmeRoamCompleteIndHandler: failed to send QOS data null packet result: %d\n",r); + unifi_net_data_free(priv, &bulkdata.d[0]); + return; + } + + func_exit(); + +} +#endif /* CSR_WIFI_SEND_GRATUITOUS_ARP */ + +/* + * --------------------------------------------------------------------------- + * configure_data_port + * + * Store the new controlled port configuration. + * + * Arguments: + * priv Pointer to device private context struct + * port_cfg Pointer to the port configuration + * + * Returns: + * An unifi_ControlledPortAction value. + * --------------------------------------------------------------------------- + */ +static int +configure_data_port(unifi_priv_t *priv, + CsrWifiRouterCtrlPortAction port_action, + const CsrWifiMacAddress *macAddress, + const int queue, + u16 interfaceTag) +{ + const u8 broadcast_mac_address[] = {0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF}; + unifi_port_config_t *port; + netInterface_priv_t *interfacePriv; + int i; + const char* controlled_string; /* cosmetic "controlled"/"uncontrolled" for trace */ + + if (interfaceTag >= CSR_WIFI_NUM_INTERFACES) { + unifi_error(priv, "configure_data_port: bad interfaceTag\n"); + return -EFAULT; + } + + interfacePriv = priv->interfacePriv[interfaceTag]; + + if (queue == UF_CONTROLLED_PORT_Q) { + port = &interfacePriv->controlled_data_port; + controlled_string = "controlled"; + } else { + port = &interfacePriv->uncontrolled_data_port; + controlled_string = "uncontrolled"; + } + + unifi_trace(priv, UDBG2, + "port config request %pM %s with port_action %d.\n", + macAddress->a, controlled_string, port_action); + + /* If the new configuration has the broadcast MAC address or if we are in infrastructure mode then clear the list first and set port overide mode */ + if ((CSR_WIFI_ROUTER_CTRL_MODE_STA == interfacePriv->interfaceMode || + interfacePriv->interfaceMode == CSR_WIFI_ROUTER_CTRL_MODE_P2PCLI) || + !memcmp(macAddress->a, broadcast_mac_address, ETH_ALEN)) { + + port->port_cfg[0].port_action = port_action; + port->port_cfg[0].mac_address = *macAddress; + port->port_cfg[0].in_use = TRUE; + port->entries_in_use = 1; + port->overide_action = UF_DATA_PORT_OVERIDE; + + unifi_trace(priv, UDBG2, "%s port override on\n", + (queue == UF_CONTROLLED_PORT_Q) ? "Controlled" : "Uncontrolled"); + + /* Discard the remaining entries in the port config table */ + for (i = 1; i < UNIFI_MAX_CONNECTIONS; i++) { + port->port_cfg[i].in_use = FALSE; + } + + if (port_action == CSR_WIFI_ROUTER_CTRL_PORT_ACTION_8021X_PORT_OPEN) { + unifi_trace(priv, UDBG1, "%s port broadcast set to open.\n", + (queue == UF_CONTROLLED_PORT_Q) ? "Controlled" : "Uncontrolled"); + + /* + * Ask stack to schedule for transmission any packets queued + * while controlled port was not open. + * Use netif_schedule() instead of netif_wake_queue() because + * transmission should be already enabled at this point. If it + * is not, probably the interface is down and should remain as is. + */ + uf_resume_data_plane(priv, queue, *macAddress, interfaceTag); + +#ifdef CSR_WIFI_SEND_GRATUITOUS_ARP + if ((CSR_WIFI_ROUTER_CTRL_MODE_STA == interfacePriv->interfaceMode) && + (queue == UF_CONTROLLED_PORT_Q) && (priv->sta_ip_address != 0xFFFFFFFF)) + { + uf_send_gratuitous_arp(priv, interfaceTag); + } +#endif + } else { + unifi_trace(priv, UDBG1, "%s port broadcast set to %s.\n", + (queue == UF_CONTROLLED_PORT_Q) ? "Controlled" : "Uncontrolled", + (port_action == CSR_WIFI_ROUTER_CTRL_PORT_ACTION_8021X_PORT_CLOSED_DISCARD) ? "discard": "closed"); + + /* If port is closed, discard all the pending Rx packets */ + if (port_action == CSR_WIFI_ROUTER_CTRL_PORT_ACTION_8021X_PORT_CLOSED_DISCARD) { + uf_free_pending_rx_packets(priv, queue, *macAddress,interfaceTag); + } + } + } else { + /* store the new configuration, either in the entry with matching mac address (if already present), + * otherwise in a new entry + */ + + int found_entry_flag; + int first_free_slot = -1; + + /* If leaving override mode, free the port entry used for override */ + if (port->overide_action == UF_DATA_PORT_OVERIDE) { + port->port_cfg[0].in_use = FALSE; + port->entries_in_use = 0; + port->overide_action = UF_DATA_PORT_NOT_OVERIDE; + + unifi_trace(priv, UDBG2, "%s port override off\n", + (queue == UF_CONTROLLED_PORT_Q) ? "Controlled" : "Uncontrolled"); + } + + found_entry_flag = 0; + for (i = 0; i < UNIFI_MAX_CONNECTIONS; i++) { + if (port->port_cfg[i].in_use) { + if (!memcmp(&port->port_cfg[i].mac_address.a, macAddress->a, ETH_ALEN)) { + /* We've seen this address before, reconfigure it */ + port->port_cfg[i].port_action = port_action; + found_entry_flag = 1; + break; + } + } else if (first_free_slot == -1) { + /* Remember the first free slot on the way past so it can be claimed + * if this turns out to be a new MAC address (to save walking the list again). + */ + first_free_slot = i; + } + } + + /* At this point we found an existing entry and have updated it, or need to + * add a new entry. If all slots are allocated, give up and return an error. + */ + if (!found_entry_flag) { + if (first_free_slot == -1) { + unifi_error(priv, "no free slot found in port config array (%d used)\n", port->entries_in_use); + return -EFAULT; + } else { + port->entries_in_use++; + } + + unifi_trace(priv, UDBG3, "port config index assigned in config_data_port = %d\n", first_free_slot); + port->port_cfg[first_free_slot].in_use = TRUE; + port->port_cfg[first_free_slot].port_action = port_action; + port->port_cfg[first_free_slot].mac_address = *macAddress; + } + + if (port_action == CSR_WIFI_ROUTER_CTRL_PORT_ACTION_8021X_PORT_OPEN) { + /* + * Ask stack to schedule for transmission any packets queued + * while controlled port was not open. + * Use netif_schedule() instead of netif_wake_queue() because + * transmission should be already enabled at this point. If it + * is not, probably the interface is down and should remain as is. + */ + uf_resume_data_plane(priv, queue, *macAddress, interfaceTag); + } + + /* + * If port is closed, discard all the pending Rx packets + * coming from the peer station. + */ + if (port_action == CSR_WIFI_ROUTER_CTRL_PORT_ACTION_8021X_PORT_CLOSED_DISCARD) { + uf_free_pending_rx_packets(priv, queue, *macAddress,interfaceTag); + } + + unifi_trace(priv, UDBG2, + "port config %pM with port_action %d.\n", + macAddress->a, port_action); + } + return 0; +} /* configure_data_port() */ + + +void CsrWifiRouterCtrlPortConfigureReqHandler(void* drvpriv, CsrWifiFsmEvent* msg) +{ + unifi_priv_t *priv = (unifi_priv_t*)drvpriv; + CsrWifiRouterCtrlPortConfigureReq* req = (CsrWifiRouterCtrlPortConfigureReq*)msg; + netInterface_priv_t *interfacePriv = priv->interfacePriv[req->interfaceTag]; + + unifi_trace(priv, UDBG3, "entering CsrWifiRouterCtrlPortConfigureReqHandler\n"); + if (priv->smepriv == NULL) { + unifi_error(priv, "CsrWifiRouterCtrlPortConfigureReqHandler: invalid smepriv\n"); + return; + } + + /* To update the protection status of the peer/station */ + switch(interfacePriv->interfaceMode) + { + case CSR_WIFI_ROUTER_CTRL_MODE_STA: + case CSR_WIFI_ROUTER_CTRL_MODE_AMP: + case CSR_WIFI_ROUTER_CTRL_MODE_IBSS: + case CSR_WIFI_ROUTER_CTRL_MODE_P2PCLI: + /* Since for Unifi as a station, the station record not maintained & interfaceID is + * only needed to update the peer protection status + */ + interfacePriv->protect = req->setProtection; + break; + case CSR_WIFI_ROUTER_CTRL_MODE_AP: + case CSR_WIFI_ROUTER_CTRL_MODE_P2PGO: + { + u8 i; + CsrWifiRouterCtrlStaInfo_t *staRecord; + /* Ifscontrolled port is open means, The peer has been added to station record + * so that the protection corresponding to the peer is valid in this req + */ + if (req->controlledPortAction == CSR_WIFI_ROUTER_CTRL_PORT_ACTION_8021X_PORT_OPEN) { + for(i =0; i < UNIFI_MAX_CONNECTIONS; i++) { + staRecord = (CsrWifiRouterCtrlStaInfo_t *) (interfacePriv->staInfo[i]); + if (staRecord) { + /* Find the matching station record & set the protection type */ + if (!memcmp(req->macAddress.a, staRecord->peerMacAddress.a, ETH_ALEN)) { + staRecord->protection = req->setProtection; + break; + } + } + } + } + } + break; + default: + unifi_trace(priv, UDBG1, "CsrWifiRouterCtrlPortConfigureReqHandler(0x%.4X) Uncaught mode %d\n", + msg->source, interfacePriv->interfaceMode); + } + + configure_data_port(priv, req->uncontrolledPortAction, (const CsrWifiMacAddress *)&req->macAddress, + UF_UNCONTROLLED_PORT_Q, req->interfaceTag); + configure_data_port(priv, req->controlledPortAction, (const CsrWifiMacAddress *)&req->macAddress, + UF_CONTROLLED_PORT_Q, req->interfaceTag); + + CsrWifiRouterCtrlPortConfigureCfmSend(msg->source,req->clientData,req->interfaceTag, + CSR_RESULT_SUCCESS, req->macAddress); + unifi_trace(priv, UDBG3, "leaving CsrWifiRouterCtrlPortConfigureReqHandler\n"); +} + + +void CsrWifiRouterCtrlWifiOnReqHandler(void* drvpriv, CsrWifiFsmEvent* msg) +{ + unifi_priv_t *priv = (unifi_priv_t*)drvpriv; + CsrWifiRouterCtrlVersions versions; + CsrWifiRouterCtrlWifiOnReq* req = (CsrWifiRouterCtrlWifiOnReq*)msg; + int r,i; + CsrResult csrResult; + + if (priv == NULL) { + return; + } + if( priv->wol_suspend ) { + unifi_trace(priv, UDBG1, "CsrWifiRouterCtrlWifiOnReqHandler: Don't reset mode\n"); + } else { +#ifdef ANDROID_BUILD + /* Take the wakelock while Wi-Fi On is in progress */ + unifi_trace(priv, UDBG1, "CsrWifiRouterCtrlWifiOnReqHandler: take wake lock\n"); + wake_lock(&unifi_sdio_wake_lock); +#endif + for (i=0; i<CSR_WIFI_NUM_INTERFACES; i++) { + unifi_trace(priv, UDBG1, "CsrWifiRouterCtrlWifiOnReqHandler: Setting interface %d to NONE\n", i ); + + priv->interfacePriv[i]->interfaceMode = 0; + } + } + unifi_trace(priv, UDBG1, "CsrWifiRouterCtrlWifiOnReqHandler(0x%.4X) req->dataLength=%d req->data=0x%x\n", msg->source, req->dataLength, req->data); + + if(req->dataLength==3 && req->data && req->data[0]==0 && req->data[1]==1 && req->data[2]==1) + { + priv->cmanrTestMode = TRUE; + unifi_trace(priv, UDBG1, "CsrWifiRouterCtrlWifiOnReqHandler: cmanrTestMode=%d\n", priv->cmanrTestMode); + } + else + { + priv->cmanrTestMode = FALSE; + } + + /* + * 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; + + /* Update the wifi_on state */ + priv->wifi_on_state = wifi_on_in_progress; + + /* If UniFi was unpowered, acquire the firmware for download to chip */ + if (!priv->wol_suspend) { + r = uf_request_firmware_files(priv, UNIFI_FW_STA); + if (r) { + unifi_error(priv, "CsrWifiRouterCtrlWifiOnReqHandler: Failed to get f/w\n"); + CsrWifiRouterCtrlWifiOnCfmSend(msg->source, req->clientData, CSR_RESULT_FAILURE); + return; + } + } else { + unifi_trace(priv, UDBG1, "Don't need firmware\n"); + } + + /* Power on UniFi (which may not necessarily have been off) */ + CsrSdioClaim(priv->sdio); + csrResult = CsrSdioPowerOn(priv->sdio); + CsrSdioRelease(priv->sdio); + if (csrResult != CSR_RESULT_SUCCESS && csrResult != CSR_SDIO_RESULT_NOT_RESET) { + unifi_error(priv, "CsrWifiRouterCtrlWifiOnReqHandler: Failed to power on UniFi\n"); + CsrWifiRouterCtrlWifiOnCfmSend(msg->source, req->clientData, CSR_RESULT_FAILURE); + return; + } + + /* If CsrSdioPowerOn() returns CSR_RESULT_SUCCESS, it means that we need to initialise UniFi */ + if (csrResult == CSR_RESULT_SUCCESS && !priv->wol_suspend) { + /* Initialise UniFi hardware */ + r = uf_init_hw(priv); + if (r) { + unifi_error(priv, "CsrWifiRouterCtrlWifiOnReqHandler: Failed to initialise h/w, error %d\n", r); + CsrWifiRouterCtrlWifiOnCfmSend(msg->source, req->clientData, CSR_RESULT_FAILURE); + return; + } + } else { + unifi_trace(priv, UDBG1, "UniFi already initialised\n"); + } + + /* Completed handling of wake up from suspend with UniFi powered */ + priv->wol_suspend = FALSE; + + /* Re-enable the I/O thread */ + priv->bh_thread.block_thread = 0; + + /* + * Start the I/O thread. The thread might be already running. + * This fine, just carry on with the request. + */ + r = uf_init_bh(priv); + if (r) { + CsrSdioClaim(priv->sdio); + CsrSdioPowerOff(priv->sdio); + CsrSdioRelease(priv->sdio); + CsrWifiRouterCtrlWifiOnCfmSend(msg->source, req->clientData, CSR_RESULT_FAILURE); + return; + } + + /* Get the version information from the core */ + unifi_card_info(priv->card, &priv->card_info); + + /* Set the sme queue id */ + priv->CSR_WIFI_SME_IFACEQUEUE = msg->source; + CSR_WIFI_SME_IFACEQUEUE = msg->source; + + + /* Copy to the unifiio_card_info structure. */ + versions.chipId = priv->card_info.chip_id; + versions.chipVersion = priv->card_info.chip_version; + versions.firmwareBuild = priv->card_info.fw_build; + versions.firmwareHip = priv->card_info.fw_hip_version; + versions.routerBuild = (char*)CSR_WIFI_VERSION; + versions.routerHip = (UNIFI_HIP_MAJOR_VERSION << 8) | UNIFI_HIP_MINOR_VERSION; + + CsrWifiRouterCtrlWifiOnIndSend(msg->source, 0, CSR_RESULT_SUCCESS, versions); + + /* Update the wifi_on state */ + priv->wifi_on_state = wifi_on_done; +} + + +/* + * wifi_off: + * Common code for CsrWifiRouterCtrlWifiOffReqHandler() and + * CsrWifiRouterCtrlWifiOffRspHandler(). + */ +static void +wifi_off(unifi_priv_t *priv) +{ + int power_off; + int priv_instance; + int i; + CsrResult csrResult; + + + /* Already off? */ + if (priv->wifi_on_state == wifi_on_unspecified) { + unifi_trace(priv, UDBG1, "wifi_off already\n"); + return; + } + + unifi_trace(priv, UDBG1, "wifi_off\n"); + + /* Destroy the Traffic Analysis Module */ +#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,23) + cancel_work_sync(&priv->ta_ind_work.task); + cancel_work_sync(&priv->ta_sample_ind_work.task); +#ifdef CSR_SUPPORT_WEXT + cancel_work_sync(&priv->sme_config_task); + wext_send_disassoc_event(priv); +#endif + + /* Cancel pending M4 stuff */ + for (i = 0; i < CSR_WIFI_NUM_INTERFACES; i++) { + if (priv->netdev[i]) { + netInterface_priv_t *netpriv = (netInterface_priv_t *) netdev_priv(priv->netdev[i]); + cancel_work_sync(&netpriv->send_m4_ready_task); + } + } +#endif + flush_workqueue(priv->unifi_workqueue); + + /* fw_init parameter can prevent power off UniFi, for debugging */ + priv_instance = uf_find_priv(priv); + if (priv_instance == -1) { + unifi_warning(priv, + "CsrWifiRouterCtrlStopReqHandler: Unknown priv instance, will power off card.\n"); + power_off = 1; + } else { + power_off = (fw_init[priv_instance] > 0) ? 0 : 1; + } + + /* Production test mode requires power to the chip, too */ + if (priv->ptest_mode) { + power_off = 0; + } + + /* Stop the bh_thread */ + uf_stop_thread(priv, &priv->bh_thread); + + /* Read the f/w panic codes, if any. Protect against second wifi_off() call, + * which may happen if SME requests a wifi_off and closes the char device */ + if (priv->init_progress != UNIFI_INIT_NONE) { + CsrSdioClaim(priv->sdio); + unifi_capture_panic(priv->card); + CsrSdioRelease(priv->sdio); + } + + /* Unregister the interrupt handler */ + if (csr_sdio_linux_remove_irq(priv->sdio)) { + unifi_notice(priv, + "csr_sdio_linux_remove_irq failed to talk to card.\n"); + } + + if (power_off) { + unifi_trace(priv, UDBG2, + "Force low power and try to power off\n"); + /* Put UniFi to deep sleep, in case we can not power it off */ + CsrSdioClaim(priv->sdio); + csrResult = unifi_force_low_power_mode(priv->card); + CsrSdioRelease(priv->sdio); + + CsrSdioPowerOff(priv->sdio); + } + + /* Consider UniFi to be uninitialised */ + priv->init_progress = UNIFI_INIT_NONE; + priv->wifi_on_state = wifi_on_unspecified; + + +} /* wifi_off() */ + + +void CsrWifiRouterCtrlWifiOffReqHandler(void* drvpriv, CsrWifiFsmEvent* msg) +{ + unifi_priv_t *priv = (unifi_priv_t*)drvpriv; + CsrWifiRouterCtrlWifiOffReq* req = (CsrWifiRouterCtrlWifiOffReq*)msg; + int i = 0; + + if (priv == NULL) { + return; + } + + unifi_trace(priv, UDBG1, "CsrWifiRouterCtrlWifiOffReqHandler(0x%.4X)\n", msg->source); + + /* Stop the network traffic on all interfaces before freeing the core. */ + for (i=0; i<CSR_WIFI_NUM_INTERFACES; i++) { + netInterface_priv_t *interfacePriv = priv->interfacePriv[i]; + if (interfacePriv->netdev_registered == 1) { + netif_carrier_off(priv->netdev[i]); + UF_NETIF_TX_STOP_ALL_QUEUES(priv->netdev[i]); + interfacePriv->connected = UnifiConnectedUnknown; + } + interfacePriv->interfaceMode = 0; + + /* Enable all queues by default */ + interfacePriv->queueEnabled[0] = 1; + interfacePriv->queueEnabled[1] = 1; + interfacePriv->queueEnabled[2] = 1; + interfacePriv->queueEnabled[3] = 1; + } + wifi_off(priv); + + CsrWifiRouterCtrlWifiOffCfmSend(msg->source,req->clientData); + + /* If this is called in response to closing the character device, the + * caller must use uf_sme_cancel_request() to terminate any pending SME + * blocking request or there will be a delay while the operation times out. + */ +} + + +void CsrWifiRouterCtrlQosControlReqHandler(void* drvpriv, CsrWifiFsmEvent* msg) +{ + unifi_priv_t *priv = (unifi_priv_t*)drvpriv; + CsrWifiRouterCtrlQosControlReq* req = (CsrWifiRouterCtrlQosControlReq*)msg; + netInterface_priv_t *interfacePriv; + + if (priv->smepriv == NULL) { + unifi_error(priv, "CsrWifiRouterCtrlQosControlReqHandler: invalid smepriv\n"); + return; + } + + unifi_trace(priv, UDBG4, "CsrWifiRouterCtrlQosControlReqHandler:scontrol = %d", req->control); + + if (req->interfaceTag >= CSR_WIFI_NUM_INTERFACES) { + unifi_error(priv, "CsrWifiRouterCtrlQosControlReqHandler: interfaceID >= CSR_WIFI_NUM_INTERFACES.\n"); + return; + } + interfacePriv = priv->interfacePriv[req->interfaceTag]; + + if (req->control == CSR_WIFI_ROUTER_CTRL_QOS_CONTROL_WMM_ON) { + priv->sta_wmm_capabilities |= QOS_CAPABILITY_WMM_ENABLED; + unifi_trace(priv, UDBG1, "WMM enabled\n"); + + unifi_trace(priv, UDBG1, "Queue Config %x\n", req->queueConfig); + + interfacePriv->queueEnabled[UNIFI_TRAFFIC_Q_BK] = (req->queueConfig & CSR_WIFI_ROUTER_CTRL_QUEUE_BK_ENABLE)?1:0; + interfacePriv->queueEnabled[UNIFI_TRAFFIC_Q_BE] = (req->queueConfig & CSR_WIFI_ROUTER_CTRL_QUEUE_BE_ENABLE)?1:0; + interfacePriv->queueEnabled[UNIFI_TRAFFIC_Q_VI] = (req->queueConfig & CSR_WIFI_ROUTER_CTRL_QUEUE_VI_ENABLE)?1:0; + interfacePriv->queueEnabled[UNIFI_TRAFFIC_Q_VO] = (req->queueConfig & CSR_WIFI_ROUTER_CTRL_QUEUE_VO_ENABLE)?1:0; + + } else { + priv->sta_wmm_capabilities = 0; + unifi_trace(priv, UDBG1, "WMM disabled\n"); + } +} + + +void CsrWifiRouterCtrlTclasAddReqHandler(void* drvpriv, CsrWifiFsmEvent* msg) +{ + unifi_priv_t *priv = (unifi_priv_t*)drvpriv; + CsrWifiRouterCtrlTclasAddReq* req = (CsrWifiRouterCtrlTclasAddReq*)msg; + + if (priv == NULL) { + unifi_error(priv, "CsrWifiRouterCtrlTclasAddReqHandler: invalid smepriv\n"); + return; + } + + CsrWifiRouterCtrlTclasAddCfmSend(msg->source, req->clientData, req->interfaceTag , CSR_RESULT_SUCCESS); +} + +void CsrWifiRouterCtrlTclasDelReqHandler(void* drvpriv, CsrWifiFsmEvent* msg) +{ + unifi_priv_t *priv = (unifi_priv_t*)drvpriv; + CsrWifiRouterCtrlTclasDelReq* req = (CsrWifiRouterCtrlTclasDelReq*)msg; + + if (priv == NULL) { + unifi_error(priv, "CsrWifiRouterCtrlTclasDelReqHandler: invalid smepriv\n"); + return; + } + + CsrWifiRouterCtrlTclasDelCfmSend(msg->source, req->clientData, req->interfaceTag, CSR_RESULT_SUCCESS); +} + + +void CsrWifiRouterCtrlConfigurePowerModeReqHandler(void* drvpriv, CsrWifiFsmEvent* msg) +{ + unifi_priv_t *priv = (unifi_priv_t*)drvpriv; + CsrWifiRouterCtrlConfigurePowerModeReq* req = (CsrWifiRouterCtrlConfigurePowerModeReq*)msg; + enum unifi_low_power_mode pm; + CsrResult csrResult; + + if (priv->smepriv == NULL) { + unifi_error(priv, "CsrWifiRouterCtrlConfigurePowerModeReqHandler: invalid smepriv\n"); + return; + } + + if (req->mode == CSR_WIFI_ROUTER_CTRL_LOW_POWER_MODE_DISABLED) { + pm = UNIFI_LOW_POWER_DISABLED; + } else { + pm = UNIFI_LOW_POWER_ENABLED; + } + + unifi_trace(priv, UDBG2, + "CsrWifiRouterCtrlConfigurePowerModeReqHandler (mode=%d, wake=%d)\n", + req->mode, req->wakeHost); + csrResult = unifi_configure_low_power_mode(priv->card, pm, + (req->wakeHost ? UNIFI_PERIODIC_WAKE_HOST_ENABLED : UNIFI_PERIODIC_WAKE_HOST_DISABLED)); +} + + +void CsrWifiRouterCtrlWifiOnResHandler(void* drvpriv, CsrWifiFsmEvent* msg) +{ + unifi_priv_t *priv = (unifi_priv_t*)drvpriv; + CsrWifiRouterCtrlWifiOnRes* res = (CsrWifiRouterCtrlWifiOnRes*)msg; + + if (priv == NULL) { + unifi_error(NULL, "CsrWifiRouterCtrlWifiOnResHandler: Invalid ospriv.\n"); + return; + } + + unifi_trace(priv, UDBG1, + "CsrWifiRouterCtrlWifiOnResHandler: status %d (patch %u)\n", res->status, res->smeVersions.firmwarePatch); + + if (res->smeVersions.firmwarePatch != 0) { + unifi_info(priv, "Firmware patch %d\n", res->smeVersions.firmwarePatch); + } + + if (res->numInterfaceAddress > CSR_WIFI_NUM_INTERFACES) { + unifi_error(priv, "WifiOnResHandler bad numInterfaceAddress %d\n", res->numInterfaceAddress); + return; + } + + /* UniFi is now initialised, complete the init. */ + if (res->status == CSR_RESULT_SUCCESS) + { + int i; /* used as a loop counter */ + u32 intmode = CSR_WIFI_INTMODE_DEFAULT; +#ifdef CSR_WIFI_SPLIT_PATCH + u8 switching_ap_fw = FALSE; +#endif + /* Register the UniFi device with the OS network manager */ + unifi_trace(priv, UDBG3, "Card Init Completed Successfully\n"); + + /* Store the MAC address in the netdev */ + for(i=0;i<res->numInterfaceAddress;i++) + { + memcpy(priv->netdev[i]->dev_addr, res->stationMacAddress[i].a, ETH_ALEN); + } + + /* Copy version structure into the private versions field */ + priv->sme_versions = res->smeVersions; + + unifi_trace(priv, UDBG2, "network interfaces count = %d\n", + res->numInterfaceAddress); + + /* Register the netdevs for each interface. */ + for(i=0;i<res->numInterfaceAddress;i++) + { + netInterface_priv_t *interfacePriv = priv->interfacePriv[i]; + if(!interfacePriv->netdev_registered) + { + int r; + unifi_trace(priv, UDBG3, "registering net device %d\n", i); + r = uf_register_netdev(priv, i); + if (r) + { + /* unregister the net_device that are registered in the previous iterations */ + uf_unregister_netdev(priv); + unifi_error(priv, "Failed to register the network device.\n"); + CsrWifiRouterCtrlWifiOnCfmSend(msg->source, res->clientData, CSR_RESULT_FAILURE); + return; + } + } +#ifdef CSR_WIFI_SPLIT_PATCH + else + { + /* If a netdev is already registered, we have received this WifiOnRes + * in response to switching AP/STA firmware in a ModeSetReq. + * Rememeber this in order to send a ModeSetCfm once + */ + switching_ap_fw = TRUE; + } +#endif + } + priv->totalInterfaceCount = res->numInterfaceAddress; + + /* If the MIB has selected f/w scheduled interrupt mode, apply it now + * but let module param override. + */ + if (run_bh_once != -1) { + intmode = (u32)run_bh_once; + } else if (res->scheduledInterrupt) { + intmode = CSR_WIFI_INTMODE_RUN_BH_ONCE; + } + unifi_set_interrupt_mode(priv->card, intmode); + + priv->init_progress = UNIFI_INIT_COMPLETED; + + /* Acknowledge the CsrWifiRouterCtrlWifiOnReq now */ + CsrWifiRouterCtrlWifiOnCfmSend(msg->source, res->clientData, CSR_RESULT_SUCCESS); + +#ifdef CSR_WIFI_SPLIT_PATCH + if (switching_ap_fw && (priv->pending_mode_set.common.destination != 0xaaaa)) { + unifi_info(priv, "Completed firmware reload with %s patch\n", + CSR_WIFI_HIP_IS_AP_FW(priv->interfacePriv[0]->interfaceMode) ? "AP" : "STA"); + + /* Confirm the ModeSetReq that requested the AP/STA patch switch */ + CsrWifiRouterCtrlModeSetCfmSend(priv->pending_mode_set.common.source, + priv->pending_mode_set.clientData, + priv->pending_mode_set.interfaceTag, + priv->pending_mode_set.mode, + CSR_RESULT_SUCCESS); + priv->pending_mode_set.common.destination = 0xaaaa; + } +#endif + unifi_info(priv, "UniFi ready\n"); + +#ifdef ANDROID_BUILD + /* Release the wakelock */ + unifi_trace(priv, UDBG1, "ready: release wake lock\n"); + wake_unlock(&unifi_sdio_wake_lock); +#endif + /* Firmware initialisation is complete, so let the SDIO bus + * clock be raised when convienent to the core. + */ + unifi_request_max_sdio_clock(priv->card); + +#ifdef CSR_SUPPORT_WEXT + /* Notify the Android wpa_supplicant that we are ready */ + wext_send_started_event(priv); + + queue_work(priv->unifi_workqueue, &priv->sme_config_task); +#endif + + } else { + /* Acknowledge the CsrWifiRouterCtrlWifiOnReq now */ + CsrWifiRouterCtrlWifiOnCfmSend(msg->source, res->clientData, CSR_RESULT_FAILURE); + } +} + + +void CsrWifiRouterCtrlWifiOffResHandler(void* drvpriv, CsrWifiFsmEvent* msg) +{ +} + + +void CsrWifiRouterCtrlMulticastAddressResHandler(void* drvpriv, CsrWifiFsmEvent* msg) +{ +} + + +void CsrWifiRouterMaPacketSubscribeReqHandler(void* drvpriv, CsrWifiFsmEvent* msg) +{ + unifi_priv_t *priv = (unifi_priv_t*)drvpriv; + CsrWifiRouterMaPacketSubscribeReq* req = (CsrWifiRouterMaPacketSubscribeReq*)msg; + u8 i; + CsrResult result; + + if (priv == NULL) { + unifi_error(priv, "CsrWifiRouterMaPacketSubscribeReqHandler: invalid priv\n"); + return; + } + + /* Look for an unused filter */ + + result = CSR_WIFI_RESULT_NO_ROOM; + for (i = 0; i < MAX_MA_UNIDATA_IND_FILTERS; i++) { + + if (!priv->sme_unidata_ind_filters[i].in_use) { + + priv->sme_unidata_ind_filters[i].in_use = 1; + priv->sme_unidata_ind_filters[i].appHandle = msg->source; + priv->sme_unidata_ind_filters[i].encapsulation = req->encapsulation; + priv->sme_unidata_ind_filters[i].protocol = req->protocol; + + priv->sme_unidata_ind_filters[i].oui[2] = (u8) (req->oui & 0xFF); + priv->sme_unidata_ind_filters[i].oui[1] = (u8) ((req->oui >> 8) & 0xFF); + priv->sme_unidata_ind_filters[i].oui[0] = (u8) ((req->oui >> 16) & 0xFF); + + result = CSR_RESULT_SUCCESS; + break; + } + } + + unifi_trace(priv, UDBG1, + "subscribe_req: encap=%d, handle=%d, result=%d\n", + req->encapsulation, i, result); + CsrWifiRouterMaPacketSubscribeCfmSend(msg->source,req->interfaceTag, i, result, 0); +} + + +void CsrWifiRouterMaPacketUnsubscribeReqHandler(void* drvpriv, CsrWifiFsmEvent* msg) +{ + unifi_priv_t *priv = (unifi_priv_t*)drvpriv; + CsrWifiRouterMaPacketUnsubscribeReq* req = (CsrWifiRouterMaPacketUnsubscribeReq*)msg; + CsrResult result; + + if (priv == NULL) { + unifi_error(priv, "CsrWifiRouterMaPacketUnsubscribeReqHandler: invalid priv\n"); + return; + } + + result = CSR_WIFI_RESULT_NOT_FOUND; + + if (req->subscriptionHandle < MAX_MA_UNIDATA_IND_FILTERS) { + if (priv->sme_unidata_ind_filters[req->subscriptionHandle].in_use) { + priv->sme_unidata_ind_filters[req->subscriptionHandle].in_use = 0; + result = CSR_RESULT_SUCCESS; + } else { + result = CSR_WIFI_RESULT_NOT_FOUND; + } + } + + unifi_trace(priv, UDBG1, + "unsubscribe_req: handle=%d, result=%d\n", + req->subscriptionHandle, result); + CsrWifiRouterMaPacketUnsubscribeCfmSend(msg->source,req->interfaceTag, result); +} + + +void CsrWifiRouterCtrlCapabilitiesReqHandler(void* drvpriv, CsrWifiFsmEvent* msg) +{ + unifi_priv_t *priv = (unifi_priv_t*)drvpriv; + CsrWifiRouterCtrlCapabilitiesReq* req = (CsrWifiRouterCtrlCapabilitiesReq*)msg; + + if (priv == NULL) { + unifi_error(priv, "CsrWifiRouterCtrlCapabilitiesReqHandler: invalid priv\n"); + return; + } + + CsrWifiRouterCtrlCapabilitiesCfmSend(msg->source,req->clientData, + UNIFI_SOFT_COMMAND_Q_LENGTH - 1, + UNIFI_SOFT_TRAFFIC_Q_LENGTH - 1); +} + + +void CsrWifiRouterCtrlSuspendResHandler(void* drvpriv, CsrWifiFsmEvent* msg) +{ + unifi_priv_t *priv = (unifi_priv_t*)drvpriv; + CsrWifiRouterCtrlSuspendRes* res = (CsrWifiRouterCtrlSuspendRes*)msg; + + if (priv == NULL) { + unifi_error(priv, "CsrWifiRouterCtrlSuspendResHandler: invalid priv\n"); + return; + } + + sme_complete_request(priv, res->status); +} + + +void CsrWifiRouterCtrlResumeResHandler(void* drvpriv, CsrWifiFsmEvent* msg) +{ + unifi_priv_t *priv = (unifi_priv_t*)drvpriv; + CsrWifiRouterCtrlResumeRes* res = (CsrWifiRouterCtrlResumeRes*)msg; + + if (priv == NULL) { + unifi_error(priv, "CsrWifiRouterCtrlResumeResHandler: invalid priv\n"); + return; + } + + sme_complete_request(priv, res->status); +} + + +void CsrWifiRouterCtrlTrafficConfigReqHandler(void* drvpriv, CsrWifiFsmEvent* msg) +{ + unifi_priv_t *priv = (unifi_priv_t*)drvpriv; + CsrWifiRouterCtrlTrafficConfigReq* req = (CsrWifiRouterCtrlTrafficConfigReq*)msg; + CsrResult csrResult; + + if (priv == NULL) { + unifi_error(priv, "CsrWifiRouterCtrlTrafficConfigReqHandler: invalid smepriv\n"); + return; + } + if (req->trafficConfigType == CSR_WIFI_ROUTER_CTRL_TRAFFIC_CONFIG_TYPE_FILTER) + { + req->config.packetFilter |= CSR_WIFI_ROUTER_CTRL_TRAFFIC_PACKET_TYPE_CUSTOM; + } + csrResult = unifi_ta_configure(priv->card, req->trafficConfigType, (const CsrWifiRouterCtrlTrafficConfig *)&req->config); +} + +void CsrWifiRouterCtrlTrafficClassificationReqHandler(void* drvpriv, CsrWifiFsmEvent* msg) +{ + unifi_priv_t *priv = (unifi_priv_t*)drvpriv; + CsrWifiRouterCtrlTrafficClassificationReq* req = (CsrWifiRouterCtrlTrafficClassificationReq*)msg; + + if (priv == NULL) { + unifi_error(priv, "CsrWifiRouterCtrlTrafficClassificationReqHandler: invalid smepriv\n"); + return; + } + + unifi_ta_classification(priv->card, req->trafficType, req->period); +} + +static int +_sys_packet_req(unifi_priv_t *priv, const CSR_SIGNAL *signal, + u8 subscriptionHandle, + u16 frameLength, u8 *frame, + int proto) +{ + int r; + const sme_ma_unidata_ind_filter_t *subs; + bulk_data_param_t bulkdata; + CSR_MA_PACKET_REQUEST req = signal->u.MaPacketRequest; + struct sk_buff *skb, *newSkb = NULL; + CsrWifiMacAddress peerMacAddress; + CsrResult csrResult; + u16 interfaceTag = req.VirtualInterfaceIdentifier & 0xff; + u8 eapolStore = FALSE; + s8 protection = 0; + netInterface_priv_t *interfacePriv; + unsigned long flags; + + if (interfaceTag >= CSR_WIFI_NUM_INTERFACES) { + unifi_error(priv, "_sys_packet_req: interfaceID >= CSR_WIFI_NUM_INTERFACES.\n"); + return -EINVAL; + } + interfacePriv = priv->interfacePriv[interfaceTag]; + if (!priv->sme_unidata_ind_filters[subscriptionHandle].in_use) { + unifi_error(priv, "_sys_packet_req: unknown subscription.\n"); + return -EINVAL; + } + + subs = &priv->sme_unidata_ind_filters[subscriptionHandle]; + unifi_trace(priv, UDBG1, + "_sys_packet_req: handle=%d, subs=%p, encap=%d\n", + subscriptionHandle, subs, subs->encapsulation); + + csrResult = unifi_net_data_malloc(priv, &bulkdata.d[0], frameLength); + if (csrResult != CSR_RESULT_SUCCESS) { + unifi_error(priv, "_sys_packet_req: failed to allocate bulkdata.\n"); + return (int)CsrHipResultToStatus(csrResult); + } + + /* get the peer Mac address */ + memcpy(&peerMacAddress, frame, ETH_ALEN); + + /* Determine if we need to add encapsulation header */ + if (subs->encapsulation == CSR_WIFI_ROUTER_ENCAPSULATION_ETHERNET) { + memcpy((void*)bulkdata.d[0].os_data_ptr, frame, frameLength); + + /* The translation is performed on the skb */ + skb = (struct sk_buff*)bulkdata.d[0].os_net_buf_ptr; + + unifi_trace(priv, UDBG1, + "_sys_packet_req: skb_add_llc_snap -->\n"); + r = skb_add_llc_snap(priv->netdev[interfaceTag], skb, proto); + unifi_trace(priv, UDBG1, + "_sys_packet_req: skb_add_llc_snap <--\n"); + if (r) { + unifi_error(priv, + "_sys_packet_req: failed to translate eth frame.\n"); + unifi_net_data_free(priv,&bulkdata.d[0]); + return r; + } + + bulkdata.d[0].data_length = skb->len; + } else { + /* Crop the MAC addresses from the packet */ + memcpy((void*)bulkdata.d[0].os_data_ptr, frame + 2*ETH_ALEN, frameLength - 2*ETH_ALEN); + bulkdata.d[0].data_length = frameLength - 2*ETH_ALEN; + skb = (struct sk_buff*)bulkdata.d[0].os_net_buf_ptr; + skb->len = bulkdata.d[0].data_length; + + } + + bulkdata.d[1].os_data_ptr = NULL; + bulkdata.d[1].os_net_buf_ptr = NULL; + bulkdata.d[1].data_length = 0; + + /* check for m4 detection */ + if (0 == uf_verify_m4(priv, bulkdata.d[0].os_data_ptr, bulkdata.d[0].data_length)) { + eapolStore = TRUE; + } + +#ifdef CSR_WIFI_SECURITY_WAPI_ENABLE + if (proto == ETH_P_WAI) + { + protection = 0; /*WAI packets always sent unencrypted*/ + } + else + { +#endif + +#ifdef CSR_SUPPORT_SME + if ((protection = uf_get_protection_bit_from_interfacemode(priv, interfaceTag, peerMacAddress.a)) < 0) { + unifi_error(priv, "unicast address, but destination not in station record database\n"); + unifi_net_data_free(priv,&bulkdata.d[0]); + return -1; + } +#else + protection = 0; +#endif + +#ifdef CSR_WIFI_SECURITY_WAPI_ENABLE + } +#endif + + /* add Mac header */ + if (prepare_and_add_macheader(priv, skb, newSkb, req.Priority, &bulkdata, interfaceTag, frame, frame + ETH_ALEN, protection)) { + unifi_error(priv, "failed to create MAC header\n"); + unifi_net_data_free(priv,&bulkdata.d[0]); + return -1; + } + + if (eapolStore) { + spin_lock_irqsave(&priv->m4_lock, flags); + /* Store the EAPOL M4 packet for later */ + interfacePriv->m4_signal = *signal; + interfacePriv->m4_bulk_data.net_buf_length = bulkdata.d[0].net_buf_length; + interfacePriv->m4_bulk_data.data_length = bulkdata.d[0].data_length; + interfacePriv->m4_bulk_data.os_data_ptr = bulkdata.d[0].os_data_ptr; + interfacePriv->m4_bulk_data.os_net_buf_ptr = bulkdata.d[0].os_net_buf_ptr; + spin_unlock_irqrestore(&priv->m4_lock, flags); + /* Send a signal to SME */ + unifi_trace(priv, UDBG1, "_sys_packet_req: Sending CsrWifiRouterCtrlM4ReadyToSendInd\n"); + CsrWifiRouterCtrlM4ReadyToSendIndSend(priv->CSR_WIFI_SME_IFACEQUEUE, 0, interfaceTag, peerMacAddress); + return 0; + } + + /* Send the signal to UniFi */ + /* Set the B31 to 1 for local routing*/ + r= uf_process_ma_packet_req(priv, peerMacAddress.a, (req.HostTag | 0x80000000), interfaceTag, 0, + (CSR_RATE)0, req.Priority, signal->SignalPrimitiveHeader.SenderProcessId, &bulkdata); + if (r) { + unifi_error(priv, + "_sys_packet_req: failed to send signal.\n"); + unifi_net_data_free(priv,&bulkdata.d[0]); + return r; + } + /* The final CsrWifiRouterMaPacketCfmSend() will called when the actual MA-PACKET.cfm is received from the chip */ + + return 0; +} + +void CsrWifiRouterMaPacketReqHandler(void* drvpriv, CsrWifiFsmEvent* msg) +{ + int r; + unifi_priv_t *priv = (unifi_priv_t*)drvpriv; + CsrWifiRouterMaPacketReq* mareq = (CsrWifiRouterMaPacketReq*)msg; + llc_snap_hdr_t *snap; + u16 snap_protocol; + CSR_SIGNAL signal; + CSR_MA_PACKET_REQUEST *req = &signal.u.MaPacketRequest; + CsrWifiRouterCtrlPortAction controlPortaction; + u8 *daddr, *saddr; + u16 interfaceTag = mareq->interfaceTag & 0x00ff; + int queue; + netInterface_priv_t *interfacePriv = priv->interfacePriv[interfaceTag]; + + if (!mareq->frame || !priv || !priv->smepriv) + { + unifi_error(priv, "CsrWifiRouterMaPacketReqHandler: invalid frame/priv/priv->smepriv\n"); + return; + } + + if (interfaceTag >= CSR_WIFI_NUM_INTERFACES) { + unifi_error(priv, "CsrWifiRouterMaPacketReqHandler: interfaceID >= CSR_WIFI_NUM_INTERFACES.\n"); + return; + } + /* get a pointer to dest & source Mac address */ + daddr = mareq->frame; + saddr = (mareq->frame + ETH_ALEN); + /* point to the proper position of frame, since frame has MAC header */ + snap = (llc_snap_hdr_t *) (mareq->frame + 2 * ETH_ALEN); + snap_protocol = ntohs(snap->protocol); + if((snap_protocol == ETH_P_PAE) +#ifdef CSR_WIFI_SECURITY_WAPI_ENABLE + || (snap_protocol == ETH_P_WAI) +#endif + ) + { + queue = UF_UNCONTROLLED_PORT_Q; + } + else + { + queue = UF_CONTROLLED_PORT_Q; + } + + /* Controlled port restrictions apply to the packets */ + controlPortaction = uf_sme_port_state(priv, daddr, queue, interfaceTag); + if (controlPortaction != CSR_WIFI_ROUTER_CTRL_PORT_ACTION_8021X_PORT_OPEN) + { + unifi_warning(priv, "CsrWifiRouterMaPacketReqHandler: (%s)controlled port is closed.\n", (queue == UF_CONTROLLED_PORT_Q)?"":"un"); + if(mareq->cfmRequested) + { + CsrWifiRouterMaPacketCfmSend(msg->source, + interfaceTag, + CSR_RESULT_FAILURE, + mareq->hostTag, 0); + } + return; + } + + signal.SignalPrimitiveHeader.SignalId = CSR_MA_PACKET_REQUEST_ID; + /* Store the appHandle in the LSB of the SenderId. */ + CSR_COPY_UINT16_TO_LITTLE_ENDIAN(((priv->sme_cli->sender_id & 0xff00) | (unsigned int)msg->source), + (u8*)&signal.SignalPrimitiveHeader.SenderProcessId); + signal.SignalPrimitiveHeader.ReceiverProcessId = 0; + + /* Fill in the MA-PACKET.req signal */ + memcpy(req->Ra.x, daddr, ETH_ALEN); + req->Priority = mareq->priority; + req->TransmitRate = 0; /* Let firmware select the rate*/ + req->VirtualInterfaceIdentifier = uf_get_vif_identifier(interfacePriv->interfaceMode,interfaceTag); + req->HostTag = mareq->hostTag; + + if(mareq->cfmRequested) + req->TransmissionControl = 0; + else + req->TransmissionControl = CSR_NO_CONFIRM_REQUIRED; + + r = _sys_packet_req(priv, &signal, mareq->subscriptionHandle, + mareq->frameLength, mareq->frame, snap_protocol); + + if (r && mareq->cfmRequested) + { + CsrWifiRouterMaPacketCfmSend(msg->source,interfaceTag, + CSR_RESULT_FAILURE, + mareq->hostTag, 0); + } + return; +} + +void CsrWifiRouterMaPacketCancelReqHandler(void* drvpriv, CsrWifiFsmEvent* msg) +{ +} + +void CsrWifiRouterCtrlM4TransmitReqHandler(void* drvpriv, CsrWifiFsmEvent* msg) +{ + unifi_priv_t *priv = (unifi_priv_t*)drvpriv; + CsrWifiRouterCtrlM4TransmitReq* req = (CsrWifiRouterCtrlM4TransmitReq*)msg; + int r; + bulk_data_param_t bulkdata; + netInterface_priv_t *interfacePriv; + CSR_SIGNAL m4_signal; + unsigned long flags; + + if (priv == NULL) { + unifi_error(priv, "CsrWifiRouterCtrlM4TransmitReqHandler: invalid smepriv\n"); + return; + } + if (req->interfaceTag >= CSR_WIFI_NUM_INTERFACES) { + unifi_error(priv, "M4TransmitReqHandler: interfaceTag >= CSR_WIFI_NUM_INTERFACES\n"); + return; + } + + interfacePriv = priv->interfacePriv[req->interfaceTag]; + spin_lock_irqsave(&priv->m4_lock, flags); + if (interfacePriv->m4_bulk_data.data_length == 0) { + spin_unlock_irqrestore(&priv->m4_lock, flags); + unifi_error(priv, "CsrWifiRouterCtrlM4TransmitReqHandler: invalid buffer\n"); + return; + } + + memcpy(&bulkdata.d[0], &interfacePriv->m4_bulk_data, sizeof(bulk_data_desc_t)); + + interfacePriv->m4_bulk_data.net_buf_length = 0; + interfacePriv->m4_bulk_data.data_length = 0; + interfacePriv->m4_bulk_data.os_data_ptr = interfacePriv->m4_bulk_data.os_net_buf_ptr = NULL; + m4_signal = interfacePriv->m4_signal; + spin_unlock_irqrestore(&priv->m4_lock, flags); + + bulkdata.d[1].os_data_ptr = NULL; + bulkdata.d[1].data_length = 0; + + interfacePriv->m4_sent = TRUE; + m4_signal.u.MaPacketRequest.HostTag |= 0x80000000; + /* Store the hostTag for later varification */ + interfacePriv->m4_hostTag = m4_signal.u.MaPacketRequest.HostTag; + r = ul_send_signal_unpacked(priv, &m4_signal, &bulkdata); + unifi_trace(priv, UDBG1, + "CsrWifiRouterCtrlM4TransmitReqHandler: sent\n"); + if (r) { + unifi_error(priv, + "CsrWifiRouterCtrlM4TransmitReqHandler: failed to send signal.\n"); + unifi_net_data_free(priv, &bulkdata.d[0]); + } +} + +/* reset the station records when the mode is set as CSR_WIFI_ROUTER_CTRL_MODE_NONE */ +static void CsrWifiRouterCtrlResetStationRecordList(unifi_priv_t *priv, u16 interfaceTag) +{ + u8 i,j; + CsrWifiRouterCtrlStaInfo_t *staInfo=NULL; + netInterface_priv_t *interfacePriv = priv->interfacePriv[interfaceTag]; + unsigned long lock_flags; + + /* create a list for sending confirms of un-delivered packets */ + struct list_head send_cfm_list; + + if (interfaceTag >= CSR_WIFI_NUM_INTERFACES) { + unifi_error(priv, "CsrWifiRouterCtrlResetStationRecordList: bad interfaceTag\n"); + return; + } + + INIT_LIST_HEAD(&send_cfm_list); + + /* Reset the station record to NULL if mode is NONE */ + for(i = 0; i < UNIFI_MAX_CONNECTIONS; i++) { + if ((staInfo=interfacePriv->staInfo[i]) != NULL) { + uf_prepare_send_cfm_list_for_queued_pkts(priv, + &send_cfm_list, + &(staInfo->mgtFrames)); + uf_flush_list(priv,&(staInfo->mgtFrames)); + for(j=0;j<MAX_ACCESS_CATOGORY;j++){ + uf_prepare_send_cfm_list_for_queued_pkts(priv, + &send_cfm_list, + &(staInfo->dataPdu[j])); + uf_flush_list(priv,&(staInfo->dataPdu[j])); + } + + spin_lock_irqsave(&priv->staRecord_lock,lock_flags); + /* Removing station record information from port config array */ + memset(staInfo->peerControlledPort, 0, sizeof(unifi_port_cfg_t)); + staInfo->peerControlledPort->port_action = CSR_WIFI_ROUTER_CTRL_PORT_ACTION_8021X_PORT_CLOSED_DISCARD; + staInfo->peerControlledPort->in_use = FALSE; + interfacePriv->controlled_data_port.entries_in_use--; + + memset(staInfo->peerUnControlledPort, 0, sizeof(unifi_port_cfg_t)); + staInfo->peerUnControlledPort->port_action = CSR_WIFI_ROUTER_CTRL_PORT_ACTION_8021X_PORT_CLOSED_DISCARD; + staInfo->peerUnControlledPort->in_use = FALSE; + interfacePriv->uncontrolled_data_port.entries_in_use--; + + kfree(interfacePriv->staInfo[i]); + interfacePriv->staInfo[i] = NULL; + spin_unlock_irqrestore(&priv->staRecord_lock,lock_flags); + } + } + /* after the critical region process the list of frames that requested cfm + * and send cfm to requestor one by one + */ + send_auto_ma_packet_confirm(priv, interfacePriv, &send_cfm_list); + +#ifdef CSR_SUPPORT_SME + /* Interface Independent, no of packet queued, incase of mode is None or AP set to 0 */ + switch(interfacePriv->interfaceMode) + { + case CSR_WIFI_ROUTER_CTRL_MODE_AP: + case CSR_WIFI_ROUTER_CTRL_MODE_P2PGO: + case CSR_WIFI_ROUTER_CTRL_MODE_NONE: + if (priv->noOfPktQueuedInDriver) { + unifi_warning(priv, "After reset the noOfPktQueuedInDriver = %x\n", priv->noOfPktQueuedInDriver); + spin_lock_irqsave(&priv->tx_q_lock,lock_flags); + priv->noOfPktQueuedInDriver = 0; + spin_unlock_irqrestore(&priv->tx_q_lock,lock_flags); + } + break; + case CSR_WIFI_ROUTER_CTRL_MODE_IBSS: + break; + default: + unifi_error(priv, "interfacemode is not correct in CsrWifiRouterCtrlResetStationRecordList: debug\n"); + } +#endif + + if (((interfacePriv->controlled_data_port.entries_in_use != 0) || (interfacePriv->uncontrolled_data_port.entries_in_use != 0)) + && (interfacePriv->interfaceMode == CSR_WIFI_ROUTER_CTRL_MODE_NONE)) { + /* Print in case if the value of entries goes to -ve/+ve (apart from 0) + * we expect the entries should be zero here if mode is set as NONE + */ + unifi_trace(priv, UDBG3, "In %s controlled port entries = %d, uncontrolled port entries = %d\n", + __FUNCTION__, interfacePriv->controlled_data_port.entries_in_use, + interfacePriv->uncontrolled_data_port.entries_in_use); + } +} + +void CsrWifiRouterCtrlInterfaceReset(unifi_priv_t *priv, u16 interfaceTag) +{ + netInterface_priv_t *interfacePriv; + + /* create a list for sending confirms of un-delivered packets */ + struct list_head send_cfm_list; + + if (interfaceTag >= CSR_WIFI_NUM_INTERFACES) { + unifi_error(priv, "CsrWifiRouterCtrlInterfaceReset: bad interfaceTag\n"); + return; + } + + interfacePriv = priv->interfacePriv[interfaceTag]; + + INIT_LIST_HEAD(&send_cfm_list); + + /* Enable all queues by default */ + interfacePriv->queueEnabled[0] = 1; + interfacePriv->queueEnabled[1] = 1; + interfacePriv->queueEnabled[2] = 1; + interfacePriv->queueEnabled[3] = 1; + + uf_prepare_send_cfm_list_for_queued_pkts(priv, + &send_cfm_list, + &(interfacePriv->genericMgtFrames)); + uf_flush_list(priv,&(interfacePriv->genericMgtFrames)); + + uf_prepare_send_cfm_list_for_queued_pkts(priv, + &send_cfm_list, + &(interfacePriv->genericMulticastOrBroadCastMgtFrames)); + uf_flush_list(priv,&(interfacePriv->genericMulticastOrBroadCastMgtFrames)); + + uf_prepare_send_cfm_list_for_queued_pkts(priv, + &send_cfm_list, + &(interfacePriv->genericMulticastOrBroadCastFrames)); + + uf_flush_list(priv,&(interfacePriv->genericMulticastOrBroadCastFrames)); + + /* process the list of frames that requested cfm + and send cfm to requestor one by one */ + send_auto_ma_packet_confirm(priv, interfacePriv, &send_cfm_list); + + /* Reset the station record to NULL if mode is tried to set as NONE */ + switch(interfacePriv->interfaceMode) + { + case CSR_WIFI_ROUTER_CTRL_MODE_STA: + case CSR_WIFI_ROUTER_CTRL_MODE_P2PCLI: + case CSR_WIFI_ROUTER_CTRL_MODE_MONITOR: + case CSR_WIFI_ROUTER_CTRL_MODE_AMP: + /* station records not available in these modes */ + break; + default: + CsrWifiRouterCtrlResetStationRecordList(priv,interfaceTag); + } + + interfacePriv->num_stations_joined = 0; + interfacePriv->sta_activity_check_enabled = FALSE; +} + + +void CsrWifiRouterCtrlModeSetReqHandler(void* drvpriv, CsrWifiFsmEvent* msg) +{ + unifi_priv_t *priv = (unifi_priv_t*)drvpriv; + CsrWifiRouterCtrlModeSetReq* req = (CsrWifiRouterCtrlModeSetReq*)msg; + + if (priv == NULL) + { + unifi_error(priv, "CsrWifiRouterCtrlModeSetReqHandler: invalid smepriv\n"); + return; + } + + if (req->interfaceTag < CSR_WIFI_NUM_INTERFACES) + { + netInterface_priv_t *interfacePriv = priv->interfacePriv[req->interfaceTag]; +#ifdef CSR_WIFI_SPLIT_PATCH + u8 old_mode = interfacePriv->interfaceMode; +#endif + unifi_trace(priv, UDBG1, "CsrWifiRouterCtrlModeSetReqHandler: interfacePriv->interfaceMode = %d\n", + interfacePriv->interfaceMode); + + interfacePriv->interfaceMode = req->mode; + +#ifdef CSR_WIFI_SPLIT_PATCH + /* Detect a change in mode that requires a switch to/from the AP firmware patch. + * This should only happen when transitioning in/out of AP modes. + */ + if (CSR_WIFI_HIP_IS_AP_FW(req->mode) != CSR_WIFI_HIP_IS_AP_FW(old_mode)) + { + CsrWifiRouterCtrlVersions versions; + int r; + +#ifdef ANDROID_BUILD + /* Take the wakelock while switching patch */ + unifi_trace(priv, UDBG1, "patch switch: take wake lock\n"); + wake_lock(&unifi_sdio_wake_lock); +#endif + unifi_info(priv, "Resetting UniFi with %s patch\n", CSR_WIFI_HIP_IS_AP_FW(req->mode) ? "AP" : "STA"); + + r = uf_request_firmware_files(priv, UNIFI_FW_STA); + if (r) { + unifi_error(priv, "CsrWifiRouterCtrlModeSetReqHandler: Failed to get f/w\n"); + CsrWifiRouterCtrlModeSetCfmSend(msg->source, req->clientData, req->interfaceTag, + req->mode, CSR_RESULT_FAILURE); + return; + } + + /* Block the I/O thread */ + priv->bh_thread.block_thread = 1; + + /* Reset and download the new patch */ + r = uf_init_hw(priv); + if (r) { + unifi_error(priv, "CsrWifiRouterCtrlWifiOnReqHandler: Failed to initialise h/w, error %d\n", r); + CsrWifiRouterCtrlModeSetCfmSend(msg->source, req->clientData, req->interfaceTag, + req->mode, CSR_RESULT_FAILURE); + return; + } + + /* Re-enable the I/O thread */ + priv->bh_thread.block_thread = 0; + + /* Get the version information from the core */ + unifi_card_info(priv->card, &priv->card_info); + + /* Copy to the unifiio_card_info structure. */ + versions.chipId = priv->card_info.chip_id; + versions.chipVersion = priv->card_info.chip_version; + versions.firmwareBuild = priv->card_info.fw_build; + versions.firmwareHip = priv->card_info.fw_hip_version; + versions.routerBuild = (char*)CSR_WIFI_VERSION; + versions.routerHip = (UNIFI_HIP_MAJOR_VERSION << 8) | UNIFI_HIP_MINOR_VERSION; + + /* Now that new firmware is running, send a WifiOnInd to the NME. This will + * cause it to retransfer the MIB. + */ + CsrWifiRouterCtrlWifiOnIndSend(msg->source, 0, CSR_RESULT_SUCCESS, versions); + + /* Store the request so we know where to send the ModeSetCfm */ + priv->pending_mode_set = *req; + } + else +#endif + { + /* No patch switch, confirm straightaway */ + CsrWifiRouterCtrlModeSetCfmSend(msg->source, req->clientData, req->interfaceTag, + req->mode, CSR_RESULT_SUCCESS); + } + + interfacePriv->bssid = req->bssid; + /* For modes other than AP/P2PGO, set below member FALSE */ + interfacePriv->intraBssEnabled = FALSE; + /* Initialise the variable bcTimSet with a value + * other then CSR_WIFI_TIM_SET or CSR_WIFI_TIM_RESET value + */ + interfacePriv->bcTimSet = 0xFF; + interfacePriv->bcTimSetReqPendingFlag = FALSE; + /* Initialise the variable bcTimSetReqQueued with a value + * other then CSR_WIFI_TIM_SET or CSR_WIFI_TIM_RESET value + */ + interfacePriv->bcTimSetReqQueued =0xFF; + CsrWifiRouterCtrlInterfaceReset(priv,req->interfaceTag); + + if(req->mode == CSR_WIFI_ROUTER_CTRL_MODE_AP || + req->mode == CSR_WIFI_ROUTER_CTRL_MODE_P2PGO) { + interfacePriv->protect = req->protection; + interfacePriv->dtimActive=FALSE; + interfacePriv->multicastPduHostTag = 0xffffffff; + /* For AP/P2PGO mode SME sending intraBssDistEnabled + * i.e. for AP: intraBssDistEnabled = TRUE, for P2PGO + * intraBssDistEnabled = TRUE/FALSE on requirement + */ + interfacePriv->intraBssEnabled = req->intraBssDistEnabled; + unifi_trace(priv, UDBG3, "CsrWifiRouterCtrlModeSetReqHandler: IntraBssDisEnabled = %d\n", + req->intraBssDistEnabled); + } else if (req->mode == CSR_WIFI_ROUTER_CTRL_MODE_NONE) { + netif_carrier_off(priv->netdev[req->interfaceTag]); + interfacePriv->connected = UnifiConnectedUnknown; + } + } + else { + unifi_error(priv, "CsrWifiRouterCtrlModeSetReqHandler: invalid interfaceTag :%d\n",req->interfaceTag); + } +} + +void CsrWifiRouterMaPacketResHandler(void* drvpriv, CsrWifiFsmEvent* msg) +{ +} + +/* delete the station record from the station record data base */ +static int peer_delete_record(unifi_priv_t *priv, CsrWifiRouterCtrlPeerDelReq *req) +{ + u8 j; + CsrWifiRouterCtrlStaInfo_t *staInfo = NULL; + unifi_port_config_t *controlledPort; + unifi_port_config_t *unControlledPort; + netInterface_priv_t *interfacePriv; + + u8 ba_session_idx = 0; + ba_session_rx_struct *ba_session_rx = NULL; + ba_session_tx_struct *ba_session_tx = NULL; + + /* create a list for sending confirms of un-delivered packets */ + struct list_head send_cfm_list; + + unsigned long lock_flags; + + if ((req->peerRecordHandle >= UNIFI_MAX_CONNECTIONS) || (req->interfaceTag >= CSR_WIFI_NUM_INTERFACES)) { + unifi_error(priv, "handle/interfaceTag is not proper, handle = %d, interfaceTag = %d\n", req->peerRecordHandle, req->interfaceTag); + return CSR_RESULT_FAILURE; + } + + INIT_LIST_HEAD(&send_cfm_list); + + interfacePriv = priv->interfacePriv[req->interfaceTag]; + /* remove the station record & make it NULL */ + if ((staInfo=interfacePriv->staInfo[req->peerRecordHandle])!=NULL) { + + uf_prepare_send_cfm_list_for_queued_pkts(priv, + &send_cfm_list, + &(staInfo->mgtFrames)); + + uf_flush_list(priv,&(staInfo->mgtFrames)); + for(j=0;j<MAX_ACCESS_CATOGORY;j++){ + uf_prepare_send_cfm_list_for_queued_pkts(priv, + &send_cfm_list, + &(staInfo->dataPdu[j])); + uf_flush_list(priv,&(staInfo->dataPdu[j])); + } + + spin_lock_irqsave(&priv->staRecord_lock,lock_flags); + /* clear the port configure array info, for the corresponding peer entry */ + controlledPort = &interfacePriv->controlled_data_port; + unControlledPort = &interfacePriv->uncontrolled_data_port; + + unifi_trace(priv, UDBG1, "peer_delete_record: Peer found handle = %d, port in use: cont(%d), unCont(%d)\n", + req->peerRecordHandle, controlledPort->entries_in_use, unControlledPort->entries_in_use); + + memset(staInfo->peerControlledPort, 0, sizeof(unifi_port_cfg_t)); + staInfo->peerControlledPort->port_action = CSR_WIFI_ROUTER_CTRL_PORT_ACTION_8021X_PORT_CLOSED_DISCARD; + staInfo->peerControlledPort->in_use = FALSE; + if (controlledPort->entries_in_use) { + controlledPort->entries_in_use--; + } else { + unifi_warning(priv, "number of controlled port entries is zero, trying to decrement: debug\n"); + } + + memset(staInfo->peerUnControlledPort, 0, sizeof(unifi_port_cfg_t)); + staInfo->peerUnControlledPort->port_action = CSR_WIFI_ROUTER_CTRL_PORT_ACTION_8021X_PORT_CLOSED_DISCARD; + staInfo->peerUnControlledPort->in_use = FALSE; + if (unControlledPort->entries_in_use) { + unControlledPort->entries_in_use--; + } else { + unifi_warning(priv, "number of uncontrolled port entries is zero, trying to decrement: debug\n"); + } + + spin_unlock_irqrestore(&priv->staRecord_lock,lock_flags); + /* update the TIM with zero */ + if (interfacePriv->interfaceMode != CSR_WIFI_ROUTER_CTRL_MODE_IBSS && + staInfo->timSet == CSR_WIFI_TIM_SET) { + unifi_trace(priv, UDBG3, "peer is deleted so TIM updated to 0, in firmware\n"); + update_tim(priv,staInfo->aid,0,req->interfaceTag, req->peerRecordHandle); + } + + + /* Stop BA session if it is active, for this peer address all BA sessions + (per tID per role) are closed */ + + down(&priv->ba_mutex); + for(ba_session_idx=0; ba_session_idx < MAX_SUPPORTED_BA_SESSIONS_RX; ba_session_idx++){ + ba_session_rx = priv->interfacePriv[req->interfaceTag]->ba_session_rx[ba_session_idx]; + if(ba_session_rx) { + if(!memcmp(ba_session_rx->macAddress.a, staInfo->peerMacAddress.a, ETH_ALEN)){ + blockack_session_stop(priv, + req->interfaceTag, + CSR_WIFI_ROUTER_CTRL_BLOCK_ACK_RECIPIENT, + ba_session_rx->tID, + ba_session_rx->macAddress); + } + } + } + + for(ba_session_idx=0; ba_session_idx < MAX_SUPPORTED_BA_SESSIONS_TX; ba_session_idx++){ + ba_session_tx = priv->interfacePriv[req->interfaceTag]->ba_session_tx[ba_session_idx]; + if(ba_session_tx) { + if(!memcmp(ba_session_tx->macAddress.a, staInfo->peerMacAddress.a, ETH_ALEN)){ + blockack_session_stop(priv, + req->interfaceTag, + CSR_WIFI_ROUTER_CTRL_BLOCK_ACK_ORIGINATOR, + ba_session_tx->tID, + ba_session_tx->macAddress); + } + } + } + + up(&priv->ba_mutex); + +#ifdef CSR_SUPPORT_SME + unifi_trace(priv, UDBG1, "Canceling work queue for STA with AID: %d\n", staInfo->aid); + cancel_work_sync(&staInfo->send_disconnected_ind_task); +#endif + + spin_lock_irqsave(&priv->staRecord_lock,lock_flags); +#ifdef CSR_SUPPORT_SME + interfacePriv->num_stations_joined--; + + staInfo->nullDataHostTag = INVALID_HOST_TAG; + + if ((interfacePriv->sta_activity_check_enabled) && + (interfacePriv->num_stations_joined < STA_INACTIVE_DETECTION_TRIGGER_THRESHOLD)) + { + unifi_trace(priv, UDBG1, "STOPPING the Inactivity Timer (num of stations = %d)\n", interfacePriv->num_stations_joined); + interfacePriv->sta_activity_check_enabled = FALSE; + del_timer_sync(&interfacePriv->sta_activity_check_timer); + } +#endif + + /* Free the station record for corresponding peer */ + kfree(interfacePriv->staInfo[req->peerRecordHandle]); + interfacePriv->staInfo[req->peerRecordHandle] = NULL; + spin_unlock_irqrestore(&priv->staRecord_lock,lock_flags); + + /* after the critical region process the list of frames that requested cfm + and send cfm to requestor one by one */ + send_auto_ma_packet_confirm(priv, interfacePriv, &send_cfm_list); + + + } + else + { + unifi_trace(priv, UDBG3, " peer not found: Delete request Peer handle[%d]\n", req->peerRecordHandle); + } + + return CSR_RESULT_SUCCESS; +} + +void CsrWifiRouterCtrlPeerDelReqHandler(void* drvpriv, CsrWifiFsmEvent* msg) +{ + CsrWifiRouterCtrlPeerDelReq* req = (CsrWifiRouterCtrlPeerDelReq*)msg; + CsrResult status = CSR_RESULT_SUCCESS; + unifi_priv_t *priv = (unifi_priv_t*)drvpriv; + netInterface_priv_t *interfacePriv = priv->interfacePriv[req->interfaceTag]; + + unifi_trace(priv, UDBG2, "entering CsrWifiRouterCtrlPeerDelReqHandler \n"); + if (priv == NULL) + { + unifi_error(priv, "CsrWifiRouterCtrlPeerDelReqHandler: invalid smepriv\n"); + return; + } + + if (req->interfaceTag >= CSR_WIFI_NUM_INTERFACES) + { + unifi_error(priv, "CsrWifiRouterCtrlPeerDelReqHandler: bad interfaceTag\n"); + return; + } + + switch(interfacePriv->interfaceMode) + { + case CSR_WIFI_ROUTER_CTRL_MODE_AP: + case CSR_WIFI_ROUTER_CTRL_MODE_IBSS: + case CSR_WIFI_ROUTER_CTRL_MODE_P2PGO: + /* remove the station from station record data base */ + status = peer_delete_record(priv, req); + break; + case CSR_WIFI_ROUTER_CTRL_MODE_STA: + case CSR_WIFI_ROUTER_CTRL_MODE_P2PCLI: + default: + /* No station record to maintain in these modes */ + break; + } + + CsrWifiRouterCtrlPeerDelCfmSend(msg->source,req->clientData,req->interfaceTag,status); + unifi_trace(priv, UDBG2, "leaving CsrWifiRouterCtrlPeerDelReqHandler \n"); +} + +/* Add the new station to the station record data base */ +static int peer_add_new_record(unifi_priv_t *priv,CsrWifiRouterCtrlPeerAddReq *req,u32 *handle) +{ + u8 i, powerModeTemp = 0; + u8 freeSlotFound = FALSE; + CsrWifiRouterCtrlStaInfo_t *newRecord = NULL; + netInterface_priv_t *interfacePriv = priv->interfacePriv[req->interfaceTag]; + CsrTime currentTime, currentTimeHi; + unsigned long lock_flags; + + if (req->interfaceTag >= CSR_WIFI_NUM_INTERFACES) { + unifi_error(priv, "peer_add_new_record: bad interfaceTag\n"); + return CSR_RESULT_FAILURE; + } + + currentTime = CsrTimeGet(¤tTimeHi); + + for(i = 0; i < UNIFI_MAX_CONNECTIONS; i++) { + if(interfacePriv->staInfo[i] == NULL) { + /* Slot is empty, so can be used for station record */ + freeSlotFound = TRUE; + *handle = i; + + /* Allocate for the new station record , to avoid race condition would happen between ADD_PEER & + * DEL_PEER the allocation made atomic memory rather than kernel memory + */ + newRecord = (CsrWifiRouterCtrlStaInfo_t *) kmalloc(sizeof(CsrWifiRouterCtrlStaInfo_t), GFP_ATOMIC); + if (!newRecord) { + unifi_error(priv, "failed to allocate the %d bytes of mem for station record\n", + sizeof(CsrWifiRouterCtrlStaInfo_t)); + return CSR_RESULT_FAILURE; + } + + unifi_trace(priv, UDBG1, "peer_add_new_record: handle = %d AID = %d addr = %x:%x:%x:%x:%x:%x LI=%u\n", + *handle, req->associationId, req->peerMacAddress.a[0], req->peerMacAddress.a[1], req->peerMacAddress.a[2], + req->peerMacAddress.a[3], req->peerMacAddress.a[4], req->peerMacAddress.a[5], + req->staInfo.listenIntervalInTus); + + /* disable the preemption until station record updated */ + spin_lock_irqsave(&priv->staRecord_lock,lock_flags); + + interfacePriv->staInfo[i] = newRecord; + /* Initialize the record*/ + memset(newRecord,0,sizeof(CsrWifiRouterCtrlStaInfo_t)); + /* update the station record */ + memcpy(newRecord->peerMacAddress.a, req->peerMacAddress.a, ETH_ALEN); + newRecord->wmmOrQosEnabled = req->staInfo.wmmOrQosEnabled; + + /* maxSpLength is bit map in qosInfo field, so converting accordingly */ + newRecord->maxSpLength = req->staInfo.maxSpLength * 2; + + /*Max SP 0 mean any number of packets. since we buffer only 512 + packets we are hard coding this to zero for the moment */ + + if(newRecord->maxSpLength == 0) + newRecord->maxSpLength=512; + + newRecord->assignedHandle = i; + + /* copy power save mode of all access catagory (Trigger/Delivery/both enabled/disabled) */ + powerModeTemp = (u8) ((req->staInfo.powersaveMode >> 4) & 0xff); + + if(!(req->staInfo.powersaveMode & 0x0001)) + newRecord->powersaveMode[UNIFI_TRAFFIC_Q_BK]= CSR_WIFI_AC_LEGACY_POWER_SAVE; + else + newRecord->powersaveMode[UNIFI_TRAFFIC_Q_BK]= powerModeTemp & 0x03; + + if(!(req->staInfo.powersaveMode & 0x0002)) + newRecord->powersaveMode[UNIFI_TRAFFIC_Q_BE]= CSR_WIFI_AC_LEGACY_POWER_SAVE; + else + newRecord->powersaveMode[UNIFI_TRAFFIC_Q_BE]= ((powerModeTemp & 0x0C)>> 2); + + if(!(req->staInfo.powersaveMode & 0x0004)) + newRecord->powersaveMode[UNIFI_TRAFFIC_Q_VI]= CSR_WIFI_AC_LEGACY_POWER_SAVE; + else + newRecord->powersaveMode[UNIFI_TRAFFIC_Q_VI]= ((powerModeTemp & 0x30)>> 4); + + if(!(req->staInfo.powersaveMode & 0x0008)) + newRecord->powersaveMode[UNIFI_TRAFFIC_Q_VO]= CSR_WIFI_AC_LEGACY_POWER_SAVE; + else + newRecord->powersaveMode[UNIFI_TRAFFIC_Q_VO]= ((powerModeTemp & 0xC0)>> 6); + + { + u8 k; + for(k=0; k< MAX_ACCESS_CATOGORY ;k++) + unifi_trace(priv, UDBG2, "peer_add_new_record: WMM : %d ,AC %d, powersaveMode %x \n", + req->staInfo.wmmOrQosEnabled,k,newRecord->powersaveMode[k]); + } + + unifi_trace(priv, UDBG3, "newRecord->wmmOrQosEnabled : %d , MAX SP : %d\n", + newRecord->wmmOrQosEnabled,newRecord->maxSpLength); + + /* Initialize the mgtFrames & data Pdu list */ + { + u8 j; + INIT_LIST_HEAD(&newRecord->mgtFrames); + for(j = 0; j < MAX_ACCESS_CATOGORY; j++) { + INIT_LIST_HEAD(&newRecord->dataPdu[j]); + } + } + + newRecord->lastActivity = currentTime; + newRecord->activity_flag = TRUE; + + /* enable the preemption as station record updated */ + spin_unlock_irqrestore(&priv->staRecord_lock,lock_flags); + + /* First time port actions are set for the peer with below information */ + configure_data_port(priv, CSR_WIFI_ROUTER_CTRL_PORT_ACTION_8021X_PORT_OPEN, &newRecord->peerMacAddress, + UF_UNCONTROLLED_PORT_Q, req->interfaceTag); + + if (interfacePriv->interfaceMode == CSR_WIFI_ROUTER_CTRL_MODE_IBSS) { + configure_data_port(priv, CSR_WIFI_ROUTER_CTRL_PORT_ACTION_8021X_PORT_OPEN, &newRecord->peerMacAddress, + UF_CONTROLLED_PORT_Q, req->interfaceTag); + } else { + configure_data_port(priv, CSR_WIFI_ROUTER_CTRL_PORT_ACTION_8021X_PORT_CLOSED_DISCARD, &newRecord->peerMacAddress, + UF_CONTROLLED_PORT_Q, req->interfaceTag); + } + + + spin_lock_irqsave(&priv->staRecord_lock,lock_flags); + /* Port status must be already set before calling the Add Peer request */ + newRecord->peerControlledPort = uf_sme_port_config_handle(priv, newRecord->peerMacAddress.a, + UF_CONTROLLED_PORT_Q, req->interfaceTag); + newRecord->peerUnControlledPort = uf_sme_port_config_handle(priv, newRecord->peerMacAddress.a, + UF_UNCONTROLLED_PORT_Q, req->interfaceTag); + + if (!newRecord->peerControlledPort || !newRecord->peerUnControlledPort) { + /* enable the preemption as station record failed to update */ + unifi_warning(priv, "Un/ControlledPort record not found in port configuration array index = %d\n", i); + kfree(interfacePriv->staInfo[i]); + interfacePriv->staInfo[i] = NULL; + spin_unlock_irqrestore(&priv->staRecord_lock,lock_flags); + return CSR_RESULT_FAILURE; + } + + newRecord->currentPeerState = CSR_WIFI_ROUTER_CTRL_PEER_CONNECTED_ACTIVE; + + /* changes done during block ack handling */ + newRecord->txSuspend = FALSE; + + /*U-APSD related data structure*/ + newRecord->timRequestPendingFlag = FALSE; + + /* Initialise the variable updateTimReqQueued with a value + * other then CSR_WIFI_TIM_SET or CSR_WIFI_TIM_RESET value + */ + newRecord->updateTimReqQueued = 0xFF; + newRecord->timSet = CSR_WIFI_TIM_RESET; + newRecord->uapsdActive = FALSE; + newRecord->noOfSpFramesSent =0; + newRecord->triggerFramePriority = CSR_QOS_UP0; + + /* The protection bit is updated once the port opens for corresponding peer in + * routerPortConfigure request */ + + /* update the association ID */ + newRecord->aid = req->associationId; + +#ifdef CSR_SUPPORT_SME + interfacePriv->num_stations_joined++; + newRecord->interfacePriv = interfacePriv; + newRecord->listenIntervalInTus = req->staInfo.listenIntervalInTus; + newRecord->nullDataHostTag = INVALID_HOST_TAG; + + INIT_WORK(&newRecord->send_disconnected_ind_task, uf_send_disconnected_ind_wq); + + if(!(interfacePriv->sta_activity_check_enabled) && + (interfacePriv->num_stations_joined >= STA_INACTIVE_DETECTION_TRIGGER_THRESHOLD)){ + unifi_trace(priv, UDBG1, + "peer_add_new_record: STARTING the Inactivity Timer (num of stations = %d)", + interfacePriv->num_stations_joined); + + interfacePriv->sta_activity_check_enabled = TRUE; + interfacePriv->sta_activity_check_timer.function = check_inactivity_timer_expire_func; + interfacePriv->sta_activity_check_timer.data = (unsigned long)interfacePriv; + + init_timer(&interfacePriv->sta_activity_check_timer); + mod_timer(&interfacePriv->sta_activity_check_timer, + (jiffies + usecs_to_jiffies(STA_INACTIVE_DETECTION_TIMER_INTERVAL * 1000 * 1000))); + + } +#endif + spin_unlock_irqrestore(&priv->staRecord_lock,lock_flags); + break; + } + } + + if(!freeSlotFound) { + unifi_error(priv, "Limited connectivity, Free slot not found for station record addition\n"); + return CSR_RESULT_FAILURE; + } + return CSR_RESULT_SUCCESS; +} + +#ifdef CSR_SUPPORT_SME +static void check_inactivity_timer_expire_func(unsigned long data) +{ + struct unifi_priv *priv; + CsrWifiRouterCtrlStaInfo_t *sta_record = NULL; + u8 i = 0; + CsrTime now; + CsrTime inactive_time; + netInterface_priv_t *interfacePriv = (netInterface_priv_t *) data; + + if (!interfacePriv) + { + return; + } + + priv = interfacePriv->privPtr; + + if (interfacePriv->InterfaceTag >= CSR_WIFI_NUM_INTERFACES) + { + unifi_error(priv, "check_inactivity_timer_expire_func: Invalid interfaceTag\n"); + return; + } + + /* RUN Algorithm to check inactivity for each connected station */ + now = CsrTimeGet(NULL); + + for(i = 0; i < UNIFI_MAX_CONNECTIONS; i++) { + if(interfacePriv->staInfo[i] != NULL) { + sta_record = interfacePriv->staInfo[i]; + + if (sta_record->activity_flag == TRUE){ + sta_record->activity_flag = FALSE; + sta_record->lastActivity = now; + continue; + } + + if (sta_record->lastActivity > now) + { + /* simple timer wrap (for 1 wrap) */ + inactive_time = CsrTimeAdd((CsrTime)CsrTimeSub(CSR_SCHED_TIME_MAX, sta_record->lastActivity), now); + } + else + { + inactive_time = (CsrTime)CsrTimeSub(now, sta_record->lastActivity); + } + + if (inactive_time >= STA_INACTIVE_TIMEOUT_VAL) + { + unifi_trace(priv, UDBG1, "STA is Inactive - AID = %d inactive_time = %d\n", + sta_record->aid, + inactive_time); + + /* station is in-active, if it is in active mode send a null frame + * and the station should acknowledge the null frame, if acknowledgement + * is not received throw out the station. + * If the station is in Power Save, update TIM for the station so + * that it wakes up and register some activity through PS-Poll or + * trigger frame. + */ + if (sta_record->currentPeerState == CSR_WIFI_ROUTER_CTRL_PEER_CONNECTED_ACTIVE) + { + unifi_trace(priv, UDBG1, "STA power save state - Active, send a NULL frame to check if it is ALIVE\n"); + uf_send_nulldata ( priv, + sta_record->interfacePriv->InterfaceTag, + sta_record->peerMacAddress.a, + CSR_CONTENTION, + sta_record); + } + else if (sta_record->currentPeerState == CSR_WIFI_ROUTER_CTRL_PEER_CONNECTED_POWER_SAVE) + { + if((sta_record->timSet == CSR_WIFI_TIM_SET) || + (sta_record->timSet == CSR_WIFI_TIM_SETTING)) + { + unifi_trace(priv, UDBG1, "STA power save state - PS, TIM is already SET\n"); + + /* If TIM is set and we do not have any activity for + * more than 3 listen intervals then send a disconnected + * indication to SME, to delete the station from station + * record list. + * The inactivity is already more than STA_INACTIVE_TIMEOUT_VAL + * and this check ensures if the listen interval is a larger + * value than STA_INACTIVE_TIMEOUT_VAL. + */ + if (inactive_time > (3 * (sta_record->listenIntervalInTus * 1024))) + { + unifi_trace(priv, UDBG1, "STA is inactive for more than 3 listen intervals\n"); + queue_work( priv->unifi_workqueue, + &sta_record->send_disconnected_ind_task); + } + + } + else + { + unifi_trace(priv, UDBG1, "STA power save state - PS, update TIM to see if it is ALIVE\n"); + update_tim(priv, + sta_record->aid, + CSR_WIFI_TIM_SET, + interfacePriv->InterfaceTag, + sta_record->assignedHandle); + } + } + } + } + } + + /* re-run the timer interrupt */ + mod_timer(&interfacePriv->sta_activity_check_timer, + (jiffies + usecs_to_jiffies(STA_INACTIVE_DETECTION_TIMER_INTERVAL * 1000 * 1000))); + +} + + +void uf_send_disconnected_ind_wq(struct work_struct *work) +{ + + CsrWifiRouterCtrlStaInfo_t *staInfo = container_of(work, CsrWifiRouterCtrlStaInfo_t, send_disconnected_ind_task); + unifi_priv_t *priv; + u16 interfaceTag; + struct list_head send_cfm_list; + u8 j; + + func_enter(); + + if(!staInfo) { + return; + } + + if(!staInfo->interfacePriv) { + return; + } + + priv = staInfo->interfacePriv->privPtr; + interfaceTag = staInfo->interfacePriv->InterfaceTag; + + if (interfaceTag >= CSR_WIFI_NUM_INTERFACES) { + unifi_error(priv, "uf_send_disconnected_ind_wq: invalid interfaceTag\n"); + return; + } + + /* The SME/NME may be waiting for confirmation for requested frames to this station. + * So loop through buffered frames for this station and if confirmation is + * requested, send auto confirmation with failure status. Also flush the frames so + * that these are not processed again in PEER_DEL_REQ handler. + */ + INIT_LIST_HEAD(&send_cfm_list); + + uf_prepare_send_cfm_list_for_queued_pkts(priv, + &send_cfm_list, + &(staInfo->mgtFrames)); + + uf_flush_list(priv, &(staInfo->mgtFrames)); + + for(j = 0; j < MAX_ACCESS_CATOGORY; j++){ + uf_prepare_send_cfm_list_for_queued_pkts(priv, + &send_cfm_list, + &(staInfo->dataPdu[j])); + + uf_flush_list(priv,&(staInfo->dataPdu[j])); + } + + send_auto_ma_packet_confirm(priv, staInfo->interfacePriv, &send_cfm_list); + + unifi_warning(priv, "uf_send_disconnected_ind_wq: Router Disconnected IND Peer (%x-%x-%x-%x-%x-%x)\n", + staInfo->peerMacAddress.a[0], + staInfo->peerMacAddress.a[1], + staInfo->peerMacAddress.a[2], + staInfo->peerMacAddress.a[3], + staInfo->peerMacAddress.a[4], + staInfo->peerMacAddress.a[5]); + + CsrWifiRouterCtrlConnectedIndSend(priv->CSR_WIFI_SME_IFACEQUEUE, + 0, + staInfo->interfacePriv->InterfaceTag, + staInfo->peerMacAddress, + CSR_WIFI_ROUTER_CTRL_PEER_DISCONNECTED); + + + return; +} + + +#endif +void CsrWifiRouterCtrlPeerAddReqHandler(void* drvpriv,CsrWifiFsmEvent* msg) +{ + CsrWifiRouterCtrlPeerAddReq* req = (CsrWifiRouterCtrlPeerAddReq*)msg; + CsrResult status = CSR_RESULT_SUCCESS; + unifi_priv_t *priv = (unifi_priv_t*)drvpriv; + u32 handle = 0; + netInterface_priv_t *interfacePriv = priv->interfacePriv[req->interfaceTag]; + + unifi_trace(priv, UDBG2, "entering CsrWifiRouterCtrlPeerAddReqHandler \n"); + if (priv == NULL) + { + unifi_error(priv, "CsrWifiRouterCtrlPeerAddReqHandler: invalid smepriv\n"); + return; + } + + if (req->interfaceTag >= CSR_WIFI_NUM_INTERFACES) + { + unifi_error(priv, "CsrWifiRouterCtrlPeerAddReqHandler: bad interfaceTag\n"); + return; + } + + switch(interfacePriv->interfaceMode) + { + case CSR_WIFI_ROUTER_CTRL_MODE_AP: + case CSR_WIFI_ROUTER_CTRL_MODE_IBSS: + case CSR_WIFI_ROUTER_CTRL_MODE_P2PGO: + /* Add station record */ + status = peer_add_new_record(priv,req,&handle); + break; + case CSR_WIFI_ROUTER_CTRL_MODE_STA: + case CSR_WIFI_ROUTER_CTRL_MODE_P2PCLI: + default: + /* No station record to maintain in these modes */ + break; + } + + CsrWifiRouterCtrlPeerAddCfmSend(msg->source,req->clientData,req->interfaceTag,req->peerMacAddress,handle,status); + unifi_trace(priv, UDBG2, "leaving CsrWifiRouterCtrlPeerAddReqHandler \n"); +} + +void CsrWifiRouterCtrlPeerUpdateReqHandler(void* drvpriv,CsrWifiFsmEvent* msg) +{ + CsrWifiRouterCtrlPeerUpdateReq* req = (CsrWifiRouterCtrlPeerUpdateReq*)msg; + CsrResult status = CSR_RESULT_SUCCESS; + unifi_priv_t *priv = (unifi_priv_t*)drvpriv; + + unifi_trace(priv, UDBG2, "entering CsrWifiRouterCtrlPeerUpdateReqHandler \n"); + if (priv == NULL) + { + unifi_error(priv, "CsrWifiRouterCtrlPeerUpdateReqHandler: invalid smepriv\n"); + return; + } + + CsrWifiRouterCtrlPeerUpdateCfmSend(msg->source,req->clientData,req->interfaceTag,status); + unifi_trace(priv, UDBG2, "leaving CsrWifiRouterCtrlPeerUpdateReqHandler \n"); +} + + + void CsrWifiRouterCtrlRawSdioDeinitialiseReqHandler(void* drvpriv, CsrWifiFsmEvent* msg) +{ + /* This will never be called as it is intercepted in the Userspace */ +} + +void CsrWifiRouterCtrlRawSdioInitialiseReqHandler(void* drvpriv, CsrWifiFsmEvent* msg) +{ + /* This will never be called as it is intercepted in the Userspace */ +} + +void +uf_send_ba_err_wq(struct work_struct *work) +{ + ba_session_rx_struct *ba_session = container_of(work, ba_session_rx_struct, send_ba_err_task); + unifi_priv_t *priv; + + if(!ba_session) { + return; + } + + if(!ba_session->interfacePriv) { + return; + } + + priv = ba_session->interfacePriv->privPtr; + + if (ba_session->interfacePriv->InterfaceTag >= CSR_WIFI_NUM_INTERFACES) { + unifi_error(priv, "%s: invalid interfaceTag\n", __FUNCTION__); + return; + } + + unifi_warning(priv, "%s: Calling CsrWifiRouterCtrlBlockAckErrorIndSend(%d, %d, %d, %d, %x:%x:%x:%x:%x:%x, %d)\n", + __FUNCTION__, + priv->CSR_WIFI_SME_IFACEQUEUE, + 0, + ba_session->interfacePriv->InterfaceTag, + ba_session->tID, + ba_session->macAddress.a[0], + ba_session->macAddress.a[1], + ba_session->macAddress.a[2], + ba_session->macAddress.a[3], + ba_session->macAddress.a[4], + ba_session->macAddress.a[5], + CSR_RESULT_SUCCESS + ); + CsrWifiRouterCtrlBlockAckErrorIndSend(priv->CSR_WIFI_SME_IFACEQUEUE, + 0, + ba_session->interfacePriv->InterfaceTag, + ba_session->tID, + ba_session->macAddress, + CSR_RESULT_SUCCESS); +} + + +static void ba_session_terminate_timer_func(unsigned long data) +{ + ba_session_rx_struct *ba_session = (ba_session_rx_struct*)data; + struct unifi_priv *priv; + + if(!ba_session) { + return; + } + + if(!ba_session->interfacePriv) { + return; + } + + priv = ba_session->interfacePriv->privPtr; + + if (ba_session->interfacePriv->InterfaceTag >= CSR_WIFI_NUM_INTERFACES) { + unifi_error(priv, "%s: invalid interfaceTag\n", __FUNCTION__); + return; + } + + queue_work(priv->unifi_workqueue, &ba_session->send_ba_err_task); +} + + +u8 blockack_session_stop(unifi_priv_t *priv, + u16 interfaceTag, + CsrWifiRouterCtrlBlockAckRole role, + u16 tID, + CsrWifiMacAddress macAddress) +{ + netInterface_priv_t *interfacePriv; + ba_session_rx_struct *ba_session_rx = NULL; + ba_session_tx_struct *ba_session_tx = NULL; + u8 ba_session_idx = 0; + int i; + + if (interfaceTag >= CSR_WIFI_NUM_INTERFACES) { + unifi_error(priv, "%s: bad interfaceTag = %d\n", __FUNCTION__, interfaceTag); + return FALSE; + } + + interfacePriv = priv->interfacePriv[interfaceTag]; + + if(!interfacePriv) { + unifi_error(priv, "%s: bad interfacePriv\n", __FUNCTION__); + return FALSE; + } + + if(tID > 15) { + unifi_error(priv, "%s: bad tID = %d\n", __FUNCTION__, tID); + return FALSE; + } + + if((role != CSR_WIFI_ROUTER_CTRL_BLOCK_ACK_ORIGINATOR) && + (role != CSR_WIFI_ROUTER_CTRL_BLOCK_ACK_RECIPIENT)) { + unifi_error(priv, "%s: bad role = %d\n", __FUNCTION__, role); + return FALSE; + } + + unifi_warning(priv, + "%s: stopping ba_session for peer = %pM role = %d tID = %d\n", + __func__, macAddress.a, role, tID); + + /* find out the appropriate ba session (/station /tid /role) for which stop is requested */ + if (role == CSR_WIFI_ROUTER_CTRL_BLOCK_ACK_RECIPIENT){ + for (ba_session_idx =0; ba_session_idx < MAX_SUPPORTED_BA_SESSIONS_RX; ba_session_idx++){ + + ba_session_rx = interfacePriv->ba_session_rx[ba_session_idx]; + + if(ba_session_rx){ + if ((!memcmp(ba_session_rx->macAddress.a, macAddress.a, ETH_ALEN)) && (ba_session_rx->tID == tID)){ + break; + } + } + } + + if (!ba_session_rx || (ba_session_idx == MAX_SUPPORTED_BA_SESSIONS_RX)) { + unifi_error(priv, "%s: bad ba_session for Rx [tID=%d]\n", __FUNCTION__, tID); + return FALSE; + } + + + if(ba_session_rx->timeout) { + del_timer_sync(&ba_session_rx->timer); + } + cancel_work_sync(&ba_session_rx->send_ba_err_task); + for (i = 0; i < ba_session_rx->wind_size; i++) { + if(ba_session_rx->buffer[i].active) { + frame_desc_struct *frame_desc = &ba_session_rx->buffer[i]; + unifi_net_data_free(priv, &frame_desc->bulkdata.d[0]); + } + } + kfree(ba_session_rx->buffer); + + interfacePriv->ba_session_rx[ba_session_idx] = NULL; + kfree(ba_session_rx); + }else if (role == CSR_WIFI_ROUTER_CTRL_BLOCK_ACK_ORIGINATOR){ + for (ba_session_idx =0; ba_session_idx < MAX_SUPPORTED_BA_SESSIONS_TX; ba_session_idx++){ + ba_session_tx = interfacePriv->ba_session_tx[ba_session_idx]; + if(ba_session_tx){ + if ((!memcmp(ba_session_tx->macAddress.a, macAddress.a, ETH_ALEN)) && (ba_session_tx->tID == tID)){ + break; + } + } + } + + if (!ba_session_tx || (ba_session_idx == MAX_SUPPORTED_BA_SESSIONS_TX)) { + unifi_error(priv, "%s: bad ba_session for Tx [tID=%d]\n", __FUNCTION__, tID); + return FALSE; + } + interfacePriv->ba_session_tx[ba_session_idx] = NULL; + kfree(ba_session_tx); + + } + + return TRUE; +} + + +void CsrWifiRouterCtrlBlockAckDisableReqHandler(void* drvpriv, CsrWifiFsmEvent* msg) +{ + CsrWifiRouterCtrlBlockAckDisableReq* req = (CsrWifiRouterCtrlBlockAckDisableReq*)msg; + u8 r; + unifi_priv_t *priv = (unifi_priv_t*)drvpriv; + + unifi_trace(priv, UDBG6, "%s: in ok\n", __FUNCTION__); + + down(&priv->ba_mutex); + r = blockack_session_stop(priv, + req->interfaceTag, + req->role, + req->trafficStreamID, + req->macAddress); + up(&priv->ba_mutex); + + CsrWifiRouterCtrlBlockAckDisableCfmSend(msg->source, + req->clientData, + req->interfaceTag, + r?CSR_RESULT_SUCCESS:CSR_RESULT_FAILURE); + + unifi_trace(priv, UDBG6, "%s: out ok\n", __FUNCTION__); +} + + +u8 blockack_session_start(unifi_priv_t *priv, + u16 interfaceTag, + u16 tID, + u16 timeout, + CsrWifiRouterCtrlBlockAckRole role, + u16 wind_size, + u16 start_sn, + CsrWifiMacAddress macAddress + ) +{ + netInterface_priv_t *interfacePriv; + ba_session_rx_struct *ba_session_rx = NULL; + ba_session_tx_struct *ba_session_tx = NULL; + u8 ba_session_idx = 0; + + + if (interfaceTag >= CSR_WIFI_NUM_INTERFACES) { + unifi_error(priv, "%s: bad interfaceTag = %d\n", __FUNCTION__, interfaceTag); + return FALSE; + } + + interfacePriv = priv->interfacePriv[interfaceTag]; + + if(!interfacePriv) { + unifi_error(priv, "%s: bad interfacePriv\n", __FUNCTION__); + return FALSE; + } + + if(tID > 15) + { + unifi_error(priv, "%s: bad tID=%d\n", __FUNCTION__, tID); + return FALSE; + } + + if(wind_size > MAX_BA_WIND_SIZE) { + unifi_error(priv, "%s: bad wind_size = %d\n", __FUNCTION__, wind_size); + return FALSE; + } + + if(role != CSR_WIFI_ROUTER_CTRL_BLOCK_ACK_ORIGINATOR && + role != CSR_WIFI_ROUTER_CTRL_BLOCK_ACK_RECIPIENT) { + unifi_error(priv, "%s: bad role = %d\n", __FUNCTION__, role); + return FALSE; + } + + unifi_warning(priv, + "%s: ba session with peer= (%pM)\n", __func__, + macAddress.a); + + unifi_warning(priv, "%s: ba session for tID=%d timeout=%d role=%d wind_size=%d start_sn=%d\n", __FUNCTION__, + tID, + timeout, + role, + wind_size, + start_sn); + + /* Check if BA session exists for per station, per TID, per role or not. + if BA session exists update parameters and if it does not exist + create a new BA session */ + if (role == CSR_WIFI_ROUTER_CTRL_BLOCK_ACK_ORIGINATOR){ + for (ba_session_idx =0; ba_session_idx < MAX_SUPPORTED_BA_SESSIONS_TX; ba_session_idx++){ + ba_session_tx = interfacePriv->ba_session_tx[ba_session_idx]; + if (ba_session_tx) { + if ((!memcmp(ba_session_tx->macAddress.a, macAddress.a, ETH_ALEN)) && (ba_session_tx->tID == tID)){ + unifi_warning(priv, "%s: ba_session for Tx already exists\n", __FUNCTION__); + return TRUE; + } + } + } + + /* we have to create new ba_session_tx struct */ + ba_session_tx = NULL; + + /* loop through until an empty BA session slot is there and save the session there */ + for (ba_session_idx=0; ba_session_idx < MAX_SUPPORTED_BA_SESSIONS_TX ; ba_session_idx++){ + if (!(interfacePriv->ba_session_tx[ba_session_idx])){ + break; + } + } + if (ba_session_idx == MAX_SUPPORTED_BA_SESSIONS_TX){ + unifi_error(priv, "%s: All ba_session used for Tx, NO free session available\n", __FUNCTION__); + return FALSE; + } + + /* create and populate the new BA session structure */ + ba_session_tx = kmalloc(sizeof(ba_session_tx_struct), GFP_KERNEL); + if (!ba_session_tx) { + unifi_error(priv, "%s: kmalloc failed for ba_session_tx\n", __FUNCTION__); + return FALSE; + } + memset(ba_session_tx, 0, sizeof(ba_session_tx_struct)); + + ba_session_tx->interfacePriv = interfacePriv; + ba_session_tx->tID = tID; + ba_session_tx->macAddress = macAddress; + + interfacePriv->ba_session_tx[ba_session_idx] = ba_session_tx; + + } else if (role == CSR_WIFI_ROUTER_CTRL_BLOCK_ACK_RECIPIENT){ + + for (ba_session_idx =0; ba_session_idx < MAX_SUPPORTED_BA_SESSIONS_RX; ba_session_idx++){ + ba_session_rx = interfacePriv->ba_session_rx[ba_session_idx]; + if (ba_session_rx) { + if ((!memcmp(ba_session_rx->macAddress.a, macAddress.a, ETH_ALEN)) && (ba_session_rx->tID == tID)){ + unifi_warning(priv, "%s: ba_session for Rx[tID = %d] already exists\n", __FUNCTION__, tID); + + if(ba_session_rx->wind_size == wind_size && + ba_session_rx->timeout == timeout && + ba_session_rx->expected_sn == start_sn) { + return TRUE; + } + + if(ba_session_rx->timeout) { + del_timer_sync(&ba_session_rx->timer); + ba_session_rx->timeout = 0; + } + + if(ba_session_rx->wind_size != wind_size) { + blockack_session_stop(priv, interfaceTag, role, tID, macAddress); + } else { + if (timeout) { + ba_session_rx->timeout = timeout; + ba_session_rx->timer.function = ba_session_terminate_timer_func; + ba_session_rx->timer.data = (unsigned long)ba_session_rx; + init_timer(&ba_session_rx->timer); + mod_timer(&ba_session_rx->timer, (jiffies + usecs_to_jiffies((ba_session_rx->timeout) * 1024))); + } + /* + * The starting sequence number shall remain same if the BA + * enable request is issued to update BA parameters only. If + * it is not same, then we scroll our window to the new starting + * sequence number. This could happen if the DELBA frame from + * originator is lost and then we receive ADDBA frame with new SSN. + */ + if(ba_session_rx->start_sn != start_sn) { + scroll_ba_window(priv, interfacePriv, ba_session_rx, start_sn); + } + return TRUE; + } + } + } + } + + /* we could have a valid BA session pointer here or un-initialized + ba session pointer. but in any case we have to create a new session. + so re-initialize the ba_session pointer */ + ba_session_rx = NULL; + + /* loop through until an empty BA session slot is there and save the session there */ + for (ba_session_idx=0; ba_session_idx < MAX_SUPPORTED_BA_SESSIONS_RX ; ba_session_idx++){ + if (!(interfacePriv->ba_session_rx[ba_session_idx])){ + break; + } + } + if (ba_session_idx == MAX_SUPPORTED_BA_SESSIONS_RX){ + unifi_error(priv, "%s: All ba_session used for Rx, NO free session available\n", __FUNCTION__); + return FALSE; + } + + /* It is observed that with some devices there is a race between + * EAPOL exchanges and BA session establishment. This results in + * some EAPOL authentication packets getting stuck in BA reorder + * buffer and hence the conection cannot be established. To avoid + * this we check here if the EAPOL authentication is complete and + * if so then only allow the BA session to establish. + * + * It is verified that the peers normally re-establish + * the BA session after the initial rejection. + */ + if (CSR_WIFI_ROUTER_CTRL_PORT_ACTION_8021X_PORT_OPEN != uf_sme_port_state(priv, macAddress.a, UF_CONTROLLED_PORT_Q, interfacePriv->InterfaceTag)) + { + unifi_warning(priv, "blockack_session_start: Controlled port not opened, Reject BA request\n"); + return FALSE; + } + + ba_session_rx = kmalloc(sizeof(ba_session_rx_struct), GFP_KERNEL); + if (!ba_session_rx) { + unifi_error(priv, "%s: kmalloc failed for ba_session_rx\n", __FUNCTION__); + return FALSE; + } + memset(ba_session_rx, 0, sizeof(ba_session_rx_struct)); + + ba_session_rx->wind_size = wind_size; + ba_session_rx->start_sn = ba_session_rx->expected_sn = start_sn; + ba_session_rx->trigger_ba_after_ssn = FALSE; + + ba_session_rx->buffer = kmalloc(ba_session_rx->wind_size*sizeof(frame_desc_struct), GFP_KERNEL); + if (!ba_session_rx->buffer) { + kfree(ba_session_rx); + unifi_error(priv, "%s: kmalloc failed for buffer\n", __FUNCTION__); + return FALSE; + } + + memset(ba_session_rx->buffer, 0, ba_session_rx->wind_size*sizeof(frame_desc_struct)); + + INIT_WORK(&ba_session_rx->send_ba_err_task, uf_send_ba_err_wq); + if (timeout) { + ba_session_rx->timeout = timeout; + ba_session_rx->timer.function = ba_session_terminate_timer_func; + ba_session_rx->timer.data = (unsigned long)ba_session_rx; + init_timer(&ba_session_rx->timer); + mod_timer(&ba_session_rx->timer, (jiffies + usecs_to_jiffies((ba_session_rx->timeout) * 1024))); + } + + ba_session_rx->interfacePriv = interfacePriv; + ba_session_rx->tID = tID; + ba_session_rx->macAddress = macAddress; + + interfacePriv->ba_session_rx[ba_session_idx] = ba_session_rx; + } + return TRUE; +} + +void CsrWifiRouterCtrlBlockAckEnableReqHandler(void* drvpriv, CsrWifiFsmEvent* msg) +{ + CsrWifiRouterCtrlBlockAckEnableReq* req = (CsrWifiRouterCtrlBlockAckEnableReq*)msg; + u8 r; + unifi_priv_t *priv = (unifi_priv_t*)drvpriv; + + unifi_trace(priv, UDBG6, ">>%s\n", __FUNCTION__); + down(&priv->ba_mutex); + r = blockack_session_start(priv, + req->interfaceTag, + req->trafficStreamID, + req->timeout, + req->role, + req->bufferSize, + req->ssn, + req->macAddress + ); + up(&priv->ba_mutex); + + CsrWifiRouterCtrlBlockAckEnableCfmSend(msg->source, + req->clientData, + req->interfaceTag, + r?CSR_RESULT_SUCCESS:CSR_RESULT_FAILURE); + unifi_trace(priv, UDBG6, "<<%s: r=%d\n", __FUNCTION__, r); + +} + +void CsrWifiRouterCtrlWapiMulticastFilterReqHandler(void* drvpriv, CsrWifiFsmEvent* msg) +{ +#ifdef CSR_WIFI_SECURITY_WAPI_ENABLE + + unifi_priv_t *priv = (unifi_priv_t*)drvpriv; + CsrWifiRouterCtrlWapiMulticastFilterReq* req = (CsrWifiRouterCtrlWapiMulticastFilterReq*)msg; + netInterface_priv_t *interfacePriv = priv->interfacePriv[req->interfaceTag]; + + if (CSR_WIFI_ROUTER_CTRL_MODE_STA == interfacePriv->interfaceMode) { + + unifi_trace(priv, UDBG6, ">>%s\n", __FUNCTION__); + + unifi_trace(priv, UDBG1, "CsrWifiRouterCtrlWapiMulticastFilterReq: req->status = %d\n", req->status); + + /* status 1 - Filter on + * status 0 - Filter off */ + priv->wapi_multicast_filter = req->status; + + unifi_trace(priv, UDBG6, "<<%s\n", __FUNCTION__); + } else { + + unifi_warning(priv, "%s is NOT applicable for interface mode - %d\n", __FUNCTION__,interfacePriv->interfaceMode); + + } +#elif defined(UNIFI_DEBUG) + /*WAPI Disabled*/ + unifi_priv_t *priv = (unifi_priv_t*)drvpriv; + unifi_error(priv,"CsrWifiRouterCtrlWapiMulticastFilterReqHandler: called when WAPI isn't enabled\n"); +#endif +} + +void CsrWifiRouterCtrlWapiUnicastFilterReqHandler(void* drvpriv, CsrWifiFsmEvent* msg) +{ +#ifdef CSR_WIFI_SECURITY_WAPI_ENABLE + + unifi_priv_t *priv = (unifi_priv_t*)drvpriv; + CsrWifiRouterCtrlWapiUnicastFilterReq* req = (CsrWifiRouterCtrlWapiUnicastFilterReq*)msg; + netInterface_priv_t *interfacePriv = priv->interfacePriv[req->interfaceTag]; + + if (CSR_WIFI_ROUTER_CTRL_MODE_STA == interfacePriv->interfaceMode) { + + unifi_trace(priv, UDBG6, ">>%s\n", __FUNCTION__); + + unifi_trace(priv, UDBG1, "CsrWifiRouterCtrlWapiUnicastFilterReq: req->status= %d\n", req->status); + + if ((priv->wapi_unicast_filter == 1) && (req->status == 0)) { + /* When we have successfully re-associated and obtained a new unicast key with keyid = 0 */ + priv->wapi_unicast_queued_pkt_filter = 1; + } + + /* status 1 - Filter ON + * status 0 - Filter OFF */ + priv->wapi_unicast_filter = req->status; + + unifi_trace(priv, UDBG6, "<<%s\n", __FUNCTION__); + } else { + + unifi_warning(priv, "%s is NOT applicable for interface mode - %d\n", __FUNCTION__,interfacePriv->interfaceMode); + + } +#elif defined(UNIFI_DEBUG) + /*WAPI Disabled*/ + unifi_priv_t *priv = (unifi_priv_t*)drvpriv; + unifi_error(priv,"CsrWifiRouterCtrlWapiUnicastFilterReqHandler: called when WAPI isn't enabled\n"); +#endif +} + +void CsrWifiRouterCtrlWapiRxPktReqHandler(void* drvpriv, CsrWifiFsmEvent* msg) +{ +#ifdef CSR_WIFI_SECURITY_WAPI_ENABLE + + unifi_priv_t *priv = (unifi_priv_t*)drvpriv; + CsrWifiRouterCtrlWapiRxPktReq* req = (CsrWifiRouterCtrlWapiRxPktReq*)msg; + int client_id, receiver_id; + bulk_data_param_t bulkdata; + CsrResult res; + ul_client_t *client; + CSR_SIGNAL signal; + CSR_MA_PACKET_INDICATION *pkt_ind; + netInterface_priv_t *interfacePriv = priv->interfacePriv[req->interfaceTag]; + + if (CSR_WIFI_ROUTER_CTRL_MODE_STA == interfacePriv->interfaceMode) { + + unifi_trace(priv, UDBG6, ">>%s\n", __FUNCTION__); + + if (priv == NULL) { + unifi_error(priv, "CsrWifiRouterCtrlWapiRxPktReq : invalid priv\n",__FUNCTION__); + return; + } + + if (priv->smepriv == NULL) { + unifi_error(priv, "CsrWifiRouterCtrlWapiRxPktReq : invalid sme priv\n",__FUNCTION__); + return; + } + + if (req->dataLength == 0 || req->data == NULL) { + unifi_error(priv, "CsrWifiRouterCtrlWapiRxPktReq: invalid request\n",__FUNCTION__); + return; + } + + res = unifi_net_data_malloc(priv, &bulkdata.d[0], req->dataLength); + if (res != CSR_RESULT_SUCCESS) { + unifi_error(priv, "CsrWifiRouterCtrlWapiRxPktReq: Could not allocate net data\n",__FUNCTION__); + return; + } + + /* This function is expected to be called only when the MIC has been verified by SME to be correct + * So reset the reception status to rx_success */ + res = read_unpack_signal(req->signal, &signal); + if (res) { + unifi_error(priv,"CsrWifiRouterCtrlWapiRxPktReqHandler: Received unknown or corrupted signal.\n"); + return; + } + pkt_ind = (CSR_MA_PACKET_INDICATION*) (&((&signal)->u).MaPacketIndication); + if (pkt_ind->ReceptionStatus != CSR_MICHAEL_MIC_ERROR) { + unifi_error(priv,"CsrWifiRouterCtrlWapiRxPktReqHandler: Unknown signal with reception status = %d\n",pkt_ind->ReceptionStatus); + return; + } else { + unifi_trace(priv, UDBG4,"CsrWifiRouterCtrlWapiRxPktReqHandler: MIC verified , RX_SUCCESS \n",__FUNCTION__); + pkt_ind->ReceptionStatus = CSR_RX_SUCCESS; + write_pack(&signal, req->signal, &(req->signalLength)); + } + + memcpy((void*)bulkdata.d[0].os_data_ptr, req->data, req->dataLength); + + receiver_id = CSR_GET_UINT16_FROM_LITTLE_ENDIAN((req->signal) + sizeof(s16)) & 0xFFF0; + client_id = (receiver_id & 0x0F00) >> UDI_SENDER_ID_SHIFT; + + client = &priv->ul_clients[client_id]; + + if (client && client->event_hook) { + unifi_trace(priv, UDBG3, + "CsrWifiRouterCtrlWapiRxPktReq: " + "Sending signal to client %d, (s:0x%X, r:0x%X) - Signal 0x%X \n", + client->client_id, client->sender_id, receiver_id, + CSR_GET_UINT16_FROM_LITTLE_ENDIAN(req->signal)); + + client->event_hook(client, req->signal, req->signalLength, &bulkdata, UDI_TO_HOST); + } else { + unifi_trace(priv, UDBG4, "No client to give the packet to\n"); + unifi_net_data_free(priv, &bulkdata.d[0]); + } + + unifi_trace(priv, UDBG6, "<<%s\n", __FUNCTION__); + } else { + unifi_warning(priv, "%s is NOT applicable for interface mode - %d\n", __FUNCTION__,interfacePriv->interfaceMode); + } +#elif defined(UNIFI_DEBUG) + /*WAPI Disabled*/ + unifi_priv_t *priv = (unifi_priv_t*)drvpriv; + unifi_error(priv,"CsrWifiRouterCtrlWapiRxPktReqHandler: called when WAPI isn't enabled\n"); +#endif +} + +void CsrWifiRouterCtrlWapiUnicastTxPktReqHandler(void* drvpriv, CsrWifiFsmEvent* msg) +{ +#if (defined(CSR_WIFI_SECURITY_WAPI_ENABLE) && defined(CSR_WIFI_SECURITY_WAPI_SW_ENCRYPTION)) + + unifi_priv_t *priv = (unifi_priv_t*) drvpriv; + CsrWifiRouterCtrlWapiUnicastTxPktReq *req = (CsrWifiRouterCtrlWapiUnicastTxPktReq*) msg; + netInterface_priv_t *interfacePriv = priv->interfacePriv[req->interfaceTag]; + bulk_data_param_t bulkdata; + u8 macHeaderLengthInBytes = MAC_HEADER_SIZE; + /*KeyID, Reserved, PN, MIC*/ + u8 appendedCryptoFields = 1 + 1 + 16 + 16; + CsrResult result; + /* Retrieve the MA PACKET REQ fields from the Signal retained from send_ma_pkt_request() */ + CSR_MA_PACKET_REQUEST *storedSignalMAPktReq = &interfacePriv->wapi_unicast_ma_pkt_sig.u.MaPacketRequest; + + if (CSR_WIFI_ROUTER_CTRL_MODE_STA == interfacePriv->interfaceMode) { + + unifi_trace(priv, UDBG6, ">>%s\n", __FUNCTION__); + + if (priv == NULL) { + unifi_error(priv, "CsrWifiRouterCtrlWapiUnicastTxPktReqHandler : invalid priv\n",__FUNCTION__); + return; + } + if (priv->smepriv == NULL) { + unifi_error(priv, "CsrWifiRouterCtrlWapiUnicastTxPktReqHandler : invalid sme priv\n",__FUNCTION__); + return; + } + if (req->data == NULL) { + unifi_error(priv, "CsrWifiRouterCtrlWapiUnicastTxPktReqHandler: invalid request\n",__FUNCTION__); + return; + } else { + /* If it is QoS data (type = data subtype = QoS), frame header contains QoS control field */ + if ((req->data[0] & 0x88) == 0x88) { + macHeaderLengthInBytes = macHeaderLengthInBytes + QOS_CONTROL_HEADER_SIZE; + } + } + if ( !(req->dataLength>(macHeaderLengthInBytes+appendedCryptoFields)) ) { + unifi_error(priv, "CsrWifiRouterCtrlWapiUnicastTxPktReqHandler: invalid dataLength\n",__FUNCTION__); + return; + } + + /* Encrypted DATA Packet contained in (req->data) + * ------------------------------------------------------------------- + * |MAC Header| KeyId | Reserved | PN | xxDataxx | xxMICxxx | + * ------------------------------------------------------------------- + * (<-----Encrypted----->) + * ------------------------------------------------------------------- + * |24/26(QoS)| 1 | 1 | 16 | x | 16 | + * ------------------------------------------------------------------- + */ + result = unifi_net_data_malloc(priv, &bulkdata.d[0], req->dataLength); + if (result != CSR_RESULT_SUCCESS) { + unifi_error(priv, "CsrWifiRouterCtrlWapiUnicastTxPktReqHandler: Could not allocate net data\n",__FUNCTION__); + return; + } + memcpy((void*)bulkdata.d[0].os_data_ptr, req->data, req->dataLength); + bulkdata.d[0].data_length = req->dataLength; + bulkdata.d[1].os_data_ptr = NULL; + bulkdata.d[1].data_length = 0; + + /* Send UniFi msg */ + /* Here hostTag is been sent as 0xffffffff, its been appended properly while framing MA-Packet request in pdu_processing.c file */ + result = uf_process_ma_packet_req(priv, + storedSignalMAPktReq->Ra.x, + storedSignalMAPktReq->HostTag,/* Ask for a new HostTag */ + req->interfaceTag, + storedSignalMAPktReq->TransmissionControl, + storedSignalMAPktReq->TransmitRate, + storedSignalMAPktReq->Priority, /* Retained value */ + interfacePriv->wapi_unicast_ma_pkt_sig.SignalPrimitiveHeader.SenderProcessId, /*FIXME AP: VALIDATE ???*/ + &bulkdata); + + if (result == NETDEV_TX_OK) { + (priv->netdev[req->interfaceTag])->trans_start = jiffies; + /* Should really count tx stats in the UNITDATA.status signal but + * that doesn't have the length. + */ + interfacePriv->stats.tx_packets++; + + /* count only the packet payload */ + interfacePriv->stats.tx_bytes += req->dataLength - macHeaderLengthInBytes - appendedCryptoFields; + unifi_trace(priv, UDBG1, "CsrWifiRouterCtrlWapiUnicastTxPktReqHandler: (Packet Sent), sent count = %x\n", interfacePriv->stats.tx_packets); + } else { + /* Failed to send: fh queue was full, and the skb was discarded*/ + unifi_trace(priv, UDBG1, "(HIP validation failure) Result = %d\n", result); + unifi_net_data_free(priv, &bulkdata.d[0]); + + interfacePriv->stats.tx_dropped++; + unifi_trace(priv, UDBG1, "CsrWifiRouterCtrlWapiUnicastTxPktReqHandler: (Packet Drop), dropped count = %x\n", interfacePriv->stats.tx_dropped); + } + + unifi_trace(priv, UDBG6, "<<%s\n", __FUNCTION__); + + } else { + + unifi_warning(priv, "%s is NOT applicable for interface mode - %d\n", __FUNCTION__,interfacePriv->interfaceMode); + + } +#elif defined(UNIFI_DEBUG) + /*WAPI Disabled*/ + unifi_priv_t *priv = (unifi_priv_t*)drvpriv; + unifi_error(priv,"CsrWifiRouterCtrlWapiUnicastTxPktReqHandler: called when WAPI SW ENCRYPTION isn't enabled\n"); +#endif +} + +void CsrWifiRouterCtrlWapiFilterReqHandler(void* drvpriv, CsrWifiFsmEvent* msg) +{ +#ifdef CSR_WIFI_SECURITY_WAPI_ENABLE + +#ifdef CSR_WIFI_SECURITY_WAPI_QOSCTRL_MIC_WORKAROUND + unifi_priv_t *priv = (unifi_priv_t*)drvpriv; + CsrWifiRouterCtrlWapiFilterReq* req = (CsrWifiRouterCtrlWapiFilterReq*)msg; + netInterface_priv_t *interfacePriv = priv->interfacePriv[req->interfaceTag]; + + if (CSR_WIFI_ROUTER_CTRL_MODE_STA == interfacePriv->interfaceMode) { + + unifi_trace(priv, UDBG6, ">>%s\n", __FUNCTION__); + + unifi_trace(priv, UDBG1, "CsrWifiRouterCtrlWapiFilterReq: req->isWapiConnected [0/1] = %d \n",req->isWapiConnected); + + priv->isWapiConnection = req->isWapiConnected; + + unifi_trace(priv, UDBG6, "<<%s\n", __FUNCTION__); + } else { + + unifi_warning(priv, "%s is NOT applicable for interface mode - %d\n", __FUNCTION__,interfacePriv->interfaceMode); + + } +#endif + +#elif defined(UNIFI_DEBUG) + /*WAPI Disabled*/ + unifi_priv_t *priv = (unifi_priv_t*)drvpriv; + unifi_error(priv,"CsrWifiRouterCtrlWapiFilterReq: called when WAPI isn't enabled\n"); +#endif +} |