| /* |
| * Copyright (c) 2012-2013, The Linux Foundation. All rights reserved. |
| * |
| * Previously licensed under the ISC license by Qualcomm Atheros, Inc. |
| * |
| * |
| * Permission to use, copy, modify, and/or distribute this software for |
| * any purpose with or without fee is hereby granted, provided that the |
| * above copyright notice and this permission notice appear in all |
| * copies. |
| * |
| * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL |
| * WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED |
| * WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE |
| * AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL |
| * DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR |
| * PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER |
| * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR |
| * PERFORMANCE OF THIS SOFTWARE. |
| */ |
| /* |
| * Copyright (c) 2012, The Linux Foundation. All rights reserved. |
| * |
| * Previously licensed under the ISC license by Qualcomm Atheros, Inc. |
| * |
| * |
| * Permission to use, copy, modify, and/or distribute this software for |
| * any purpose with or without fee is hereby granted, provided that the |
| * above copyright notice and this permission notice appear in all |
| * copies. |
| * |
| * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL |
| * WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED |
| * WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE |
| * AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL |
| * DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR |
| * PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER |
| * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR |
| * PERFORMANCE OF THIS SOFTWARE. |
| */ |
| |
| /**======================================================================== |
| |
| \file wlan_hdd_p2p.c |
| |
| \brief WLAN Host Device Driver implementation for P2P commands interface |
| |
| Copyright 2008 (c) Qualcomm, Incorporated. All Rights Reserved. |
| |
| Qualcomm Confidential and Proprietary. |
| |
| ========================================================================*/ |
| #ifdef CONFIG_CFG80211 |
| |
| #include <wlan_hdd_includes.h> |
| #include <wlan_hdd_hostapd.h> |
| #include <net/cfg80211.h> |
| #include "sme_Api.h" |
| #include "wlan_hdd_p2p.h" |
| #include "sapApi.h" |
| |
| #include <linux/netdevice.h> |
| #include <linux/skbuff.h> |
| #include <linux/etherdevice.h> |
| #include <net/ieee80211_radiotap.h> |
| #ifdef FEATURE_WLAN_TDLS |
| #include "wlan_hdd_tdls.h" |
| #endif |
| |
| //Ms to Micro Sec |
| #define MS_TO_MUS(x) ((x)*1000); |
| |
| #ifdef WLAN_FEATURE_P2P_DEBUG |
| #define MAX_P2P_ACTION_FRAME_TYPE 9 |
| const char *p2p_action_frame_type[]={"GO Negotiation Request", |
| "GO Negotiation Response", |
| "GO Negotiation Confirmation", |
| "P2P Invitation Request", |
| "P2P Invitation Response", |
| "Device Discoverability Request", |
| "Device Discoverability Response", |
| "Provision Discovery Request", |
| "Provision Discovery Response"}; |
| |
| /* We no need to protect this variable since |
| * there is no chance of race to condition |
| * and also not make any complicating the code |
| * just for debugging log |
| */ |
| tP2PConnectionStatus globalP2PConnectionStatus = P2P_NOT_ACTIVE; |
| |
| #endif |
| #ifdef WLAN_FEATURE_TDLS_DEBUG |
| #define MAX_TDLS_ACTION_FRAME_TYPE 11 |
| const char *tdls_action_frame_type[] = {"TDLS Setup Request", |
| "TDLS Setup Response", |
| "TDLS Setup Confirm", |
| "TDLS Teardown", |
| "TDLS Peer Traffic Indication", |
| "TDLS Channel Switch Request", |
| "TDLS Channel Switch Response", |
| "TDLS Peer PSM Request", |
| "TDLS Peer PSM Response", |
| "TDLS Peer Traffic Response", |
| "TDLS Discovery Request" }; |
| #endif |
| |
| extern struct net_device_ops net_ops_struct; |
| |
| static int hdd_wlan_add_rx_radiotap_hdr( struct sk_buff *skb, |
| int rtap_len, int flag ); |
| |
| static void hdd_wlan_tx_complete( hdd_adapter_t* pAdapter, |
| hdd_cfg80211_state_t* cfgState, |
| tANI_BOOLEAN actionSendSuccess ); |
| |
| static void hdd_sendMgmtFrameOverMonitorIface( hdd_adapter_t *pMonAdapter, |
| tANI_U32 nFrameLength, |
| tANI_U8* pbFrames, |
| tANI_U8 frameType ); |
| |
| #ifdef WLAN_FEATURE_P2P |
| eHalStatus wlan_hdd_remain_on_channel_callback( tHalHandle hHal, void* pCtx, |
| eHalStatus status ) |
| { |
| hdd_adapter_t *pAdapter = (hdd_adapter_t*) pCtx; |
| hdd_cfg80211_state_t *cfgState = WLAN_HDD_GET_CFG_STATE_PTR( pAdapter ); |
| hdd_remain_on_chan_ctx_t *pRemainChanCtx = cfgState->remain_on_chan_ctx; |
| |
| if( pRemainChanCtx == NULL ) |
| { |
| hddLog( LOGW, |
| "%s: No Rem on channel pending for which Rsp is received", __func__); |
| return eHAL_STATUS_SUCCESS; |
| } |
| |
| hddLog( LOG1, "Received remain on channel rsp"); |
| |
| cfgState->remain_on_chan_ctx = NULL; |
| |
| if( REMAIN_ON_CHANNEL_REQUEST == pRemainChanCtx->rem_on_chan_request ) |
| { |
| if( cfgState->buf ) |
| { |
| hddLog( LOGP, |
| "%s: We need to receive yet an ack from one of tx packet", |
| __func__); |
| } |
| cfg80211_remain_on_channel_expired( |
| #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,6,0)) |
| pRemainChanCtx->dev->ieee80211_ptr, |
| #else |
| pRemainChanCtx->dev, |
| #endif |
| pRemainChanCtx->cookie, |
| &pRemainChanCtx->chan, |
| pRemainChanCtx->chan_type, GFP_KERNEL ); |
| } |
| |
| |
| if ( ( WLAN_HDD_INFRA_STATION == pAdapter->device_mode ) || |
| ( WLAN_HDD_P2P_CLIENT == pAdapter->device_mode ) || |
| ( WLAN_HDD_P2P_DEVICE == pAdapter->device_mode ) |
| ) |
| { |
| tANI_U8 sessionId = pAdapter->sessionId; |
| if( REMAIN_ON_CHANNEL_REQUEST == pRemainChanCtx->rem_on_chan_request ) |
| { |
| sme_DeregisterMgmtFrame( |
| hHal, sessionId, |
| (SIR_MAC_MGMT_FRAME << 2) | ( SIR_MAC_MGMT_PROBE_REQ << 4), |
| NULL, 0 ); |
| } |
| } |
| else if ( ( WLAN_HDD_SOFTAP== pAdapter->device_mode ) || |
| ( WLAN_HDD_P2P_GO == pAdapter->device_mode ) |
| ) |
| { |
| WLANSAP_DeRegisterMgmtFrame( |
| (WLAN_HDD_GET_CTX(pAdapter))->pvosContext, |
| (SIR_MAC_MGMT_FRAME << 2) | ( SIR_MAC_MGMT_PROBE_REQ << 4), |
| NULL, 0 ); |
| } |
| |
| vos_mem_free( pRemainChanCtx ); |
| complete(&pAdapter->cancel_rem_on_chan_var); |
| return eHAL_STATUS_SUCCESS; |
| } |
| |
| void wlan_hdd_cancel_existing_remain_on_channel(hdd_adapter_t *pAdapter) |
| { |
| hdd_cfg80211_state_t *cfgState = WLAN_HDD_GET_CFG_STATE_PTR( pAdapter ); |
| int status = 0; |
| |
| if(cfgState->remain_on_chan_ctx != NULL) |
| { |
| hddLog( LOG1, "Cancel Existing Remain on Channel"); |
| |
| /* Wait till remain on channel ready indication before issuing cancel |
| * remain on channel request, otherwise if remain on channel not |
| * received and if the driver issues cancel remain on channel then lim |
| * will be in unknown state. |
| */ |
| status = wait_for_completion_interruptible_timeout(&pAdapter->rem_on_chan_ready_event, |
| msecs_to_jiffies(WAIT_REM_CHAN_READY)); |
| if (!status) |
| { |
| hddLog( LOGE, |
| "%s: timeout waiting for remain on channel ready indication", |
| __func__); |
| } |
| |
| INIT_COMPLETION(pAdapter->cancel_rem_on_chan_var); |
| |
| /* Issue abort remain on chan request to sme. |
| * The remain on channel callback will make sure the remain_on_chan |
| * expired event is sent. |
| */ |
| if ( ( WLAN_HDD_INFRA_STATION == pAdapter->device_mode ) || |
| ( WLAN_HDD_P2P_CLIENT == pAdapter->device_mode ) || |
| ( WLAN_HDD_P2P_DEVICE == pAdapter->device_mode ) |
| ) |
| { |
| sme_CancelRemainOnChannel( WLAN_HDD_GET_HAL_CTX( pAdapter ), |
| pAdapter->sessionId ); |
| } |
| else if ( (WLAN_HDD_SOFTAP== pAdapter->device_mode) || |
| (WLAN_HDD_P2P_GO == pAdapter->device_mode) |
| ) |
| { |
| WLANSAP_CancelRemainOnChannel( |
| (WLAN_HDD_GET_CTX(pAdapter))->pvosContext); |
| } |
| |
| status = wait_for_completion_interruptible_timeout(&pAdapter->cancel_rem_on_chan_var, |
| msecs_to_jiffies(WAIT_CANCEL_REM_CHAN)); |
| |
| if (!status) |
| { |
| hddLog( LOGE, |
| "%s: timeout waiting for cancel remain on channel ready indication", |
| __func__); |
| } |
| } |
| } |
| |
| int wlan_hdd_check_remain_on_channel(hdd_adapter_t *pAdapter) |
| { |
| int status = 0; |
| hdd_cfg80211_state_t *cfgState = WLAN_HDD_GET_CFG_STATE_PTR( pAdapter ); |
| |
| if(WLAN_HDD_P2P_GO != pAdapter->device_mode) |
| { |
| //Cancel Existing Remain On Channel |
| //If no action frame is pending |
| if( cfgState->remain_on_chan_ctx != NULL) |
| { |
| //Check whether Action Frame is pending or not |
| if( cfgState->buf == NULL) |
| { |
| wlan_hdd_cancel_existing_remain_on_channel(pAdapter); |
| } |
| else |
| { |
| hddLog( LOG1, "Cannot Cancel Existing Remain on Channel"); |
| status = -EBUSY; |
| } |
| } |
| } |
| return status; |
| } |
| |
| static int wlan_hdd_request_remain_on_channel( struct wiphy *wiphy, |
| struct net_device *dev, |
| struct ieee80211_channel *chan, |
| enum nl80211_channel_type channel_type, |
| unsigned int duration, u64 *cookie, |
| rem_on_channel_request_type_t request_type ) |
| { |
| hdd_adapter_t *pAdapter = WLAN_HDD_GET_PRIV_PTR(dev); |
| hdd_remain_on_chan_ctx_t *pRemainChanCtx; |
| hdd_cfg80211_state_t *cfgState = WLAN_HDD_GET_CFG_STATE_PTR( pAdapter ); |
| hddLog(VOS_TRACE_LEVEL_INFO, "%s: device_mode = %d", |
| __func__,pAdapter->device_mode); |
| |
| hddLog( LOG1, |
| "chan(hw_val)0x%x chan(centerfreq) %d chan type 0x%x, duration %d", |
| chan->hw_value, chan->center_freq, channel_type, duration ); |
| |
| //Cancel existing remain On Channel if any |
| wlan_hdd_cancel_existing_remain_on_channel(pAdapter); |
| |
| /* When P2P-GO and if we are trying to unload the driver then |
| * wlan driver is keep on receiving the remain on channel command |
| * and which is resulting in crash. So not allowing any remain on |
| * channel requets when Load/Unload is in progress*/ |
| if (((hdd_context_t*)pAdapter->pHddCtx)->isLoadUnloadInProgress) |
| { |
| hddLog( LOGE, |
| "%s: Wlan Load/Unload is in progress", __func__); |
| return -EBUSY; |
| } |
| |
| if (((hdd_context_t*)pAdapter->pHddCtx)->isLogpInProgress) |
| { |
| VOS_TRACE(VOS_MODULE_ID_HDD, VOS_TRACE_LEVEL_ERROR, |
| "%s:LOGP in Progress. Ignore!!!", __func__); |
| return -EAGAIN; |
| } |
| pRemainChanCtx = vos_mem_malloc( sizeof(hdd_remain_on_chan_ctx_t) ); |
| if( NULL == pRemainChanCtx ) |
| { |
| hddLog(VOS_TRACE_LEVEL_FATAL, |
| "%s: Not able to allocate memory for Channel context", |
| __func__); |
| return -ENOMEM; |
| } |
| |
| vos_mem_copy( &pRemainChanCtx->chan, chan, |
| sizeof(struct ieee80211_channel) ); |
| |
| pRemainChanCtx->chan_type = channel_type; |
| pRemainChanCtx->duration = duration; |
| pRemainChanCtx->dev = dev; |
| *cookie = (tANI_U32) pRemainChanCtx; |
| pRemainChanCtx->cookie = *cookie; |
| pRemainChanCtx->rem_on_chan_request = request_type; |
| cfgState->remain_on_chan_ctx = pRemainChanCtx; |
| cfgState->current_freq = chan->center_freq; |
| |
| INIT_COMPLETION(pAdapter->rem_on_chan_ready_event); |
| |
| //call sme API to start remain on channel. |
| if ( ( WLAN_HDD_INFRA_STATION == pAdapter->device_mode ) || |
| ( WLAN_HDD_P2P_CLIENT == pAdapter->device_mode ) || |
| ( WLAN_HDD_P2P_DEVICE == pAdapter->device_mode ) |
| ) |
| { |
| tANI_U8 sessionId = pAdapter->sessionId; |
| //call sme API to start remain on channel. |
| sme_RemainOnChannel( |
| WLAN_HDD_GET_HAL_CTX(pAdapter), sessionId, |
| chan->hw_value, duration, |
| wlan_hdd_remain_on_channel_callback, pAdapter ); |
| |
| if( REMAIN_ON_CHANNEL_REQUEST == request_type) |
| { |
| sme_RegisterMgmtFrame(WLAN_HDD_GET_HAL_CTX(pAdapter), |
| sessionId, (SIR_MAC_MGMT_FRAME << 2) | |
| (SIR_MAC_MGMT_PROBE_REQ << 4), NULL, 0 ); |
| } |
| |
| } |
| else if ( ( WLAN_HDD_SOFTAP== pAdapter->device_mode ) || |
| ( WLAN_HDD_P2P_GO == pAdapter->device_mode ) |
| ) |
| { |
| //call sme API to start remain on channel. |
| if (VOS_STATUS_SUCCESS != WLANSAP_RemainOnChannel( |
| (WLAN_HDD_GET_CTX(pAdapter))->pvosContext, |
| chan->hw_value, duration, |
| wlan_hdd_remain_on_channel_callback, pAdapter )) |
| |
| { |
| VOS_TRACE( VOS_MODULE_ID_HDD, VOS_TRACE_LEVEL_ERROR, |
| "%s: WLANSAP_RemainOnChannel returned fail", __func__); |
| cfgState->remain_on_chan_ctx = NULL; |
| vos_mem_free (pRemainChanCtx); |
| return -EINVAL; |
| } |
| |
| |
| if (VOS_STATUS_SUCCESS != WLANSAP_RegisterMgmtFrame( |
| (WLAN_HDD_GET_CTX(pAdapter))->pvosContext, |
| (SIR_MAC_MGMT_FRAME << 2) | ( SIR_MAC_MGMT_PROBE_REQ << 4), |
| NULL, 0 )) |
| { |
| VOS_TRACE( VOS_MODULE_ID_HDD, VOS_TRACE_LEVEL_ERROR, |
| "%s: WLANSAP_RegisterMgmtFrame returned fail", __func__); |
| WLANSAP_CancelRemainOnChannel( |
| (WLAN_HDD_GET_CTX(pAdapter))->pvosContext); |
| return -EINVAL; |
| } |
| |
| } |
| return 0; |
| |
| } |
| |
| int wlan_hdd_cfg80211_remain_on_channel( struct wiphy *wiphy, |
| #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,6,0)) |
| struct wireless_dev *wdev, |
| #else |
| struct net_device *dev, |
| #endif |
| struct ieee80211_channel *chan, |
| enum nl80211_channel_type channel_type, |
| unsigned int duration, u64 *cookie ) |
| { |
| #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,6,0)) |
| struct net_device *dev = wdev->netdev; |
| #endif |
| return wlan_hdd_request_remain_on_channel(wiphy, dev, |
| chan, channel_type, duration, cookie, |
| REMAIN_ON_CHANNEL_REQUEST); |
| } |
| |
| void hdd_remainChanReadyHandler( hdd_adapter_t *pAdapter ) |
| { |
| hdd_cfg80211_state_t *cfgState = WLAN_HDD_GET_CFG_STATE_PTR( pAdapter ); |
| hdd_remain_on_chan_ctx_t* pRemainChanCtx = cfgState->remain_on_chan_ctx; |
| |
| hddLog( LOG1, "Ready on chan ind"); |
| |
| if( pRemainChanCtx != NULL ) |
| { |
| if( REMAIN_ON_CHANNEL_REQUEST == pRemainChanCtx->rem_on_chan_request ) |
| { |
| cfg80211_ready_on_channel( |
| #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,6,0)) |
| pAdapter->dev->ieee80211_ptr, |
| #else |
| pAdapter->dev, |
| #endif |
| (tANI_U32)pRemainChanCtx, |
| &pRemainChanCtx->chan, pRemainChanCtx->chan_type, |
| pRemainChanCtx->duration, GFP_KERNEL ); |
| } |
| #if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,38)) |
| else if( OFF_CHANNEL_ACTION_TX == pRemainChanCtx->rem_on_chan_request ) |
| { |
| complete(&pAdapter->offchannel_tx_event); |
| } |
| #endif |
| complete(&pAdapter->rem_on_chan_ready_event); |
| } |
| else |
| { |
| hddLog( LOGW, "%s: No Pending Remain on channel Request", __func__); |
| } |
| return; |
| } |
| |
| int wlan_hdd_cfg80211_cancel_remain_on_channel( struct wiphy *wiphy, |
| #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,6,0)) |
| struct wireless_dev *wdev, |
| #else |
| struct net_device *dev, |
| #endif |
| u64 cookie ) |
| { |
| #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,6,0)) |
| struct net_device *dev = wdev->netdev; |
| #endif |
| hdd_adapter_t *pAdapter = WLAN_HDD_GET_PRIV_PTR(dev); |
| hdd_cfg80211_state_t *cfgState = WLAN_HDD_GET_CFG_STATE_PTR( pAdapter ); |
| int status = 0; |
| |
| hddLog( LOG1, "Cancel remain on channel req"); |
| |
| if (((hdd_context_t*)pAdapter->pHddCtx)->isLogpInProgress) |
| { |
| VOS_TRACE(VOS_MODULE_ID_HDD, VOS_TRACE_LEVEL_ERROR, |
| "%s:LOGP in Progress. Ignore!!!", __func__); |
| return -EAGAIN; |
| } |
| /* FIXME cancel currently running remain on chan. |
| * Need to check cookie and cancel accordingly |
| */ |
| if( (cfgState->remain_on_chan_ctx == NULL) || |
| (cfgState->remain_on_chan_ctx->cookie != cookie) ) |
| { |
| hddLog( LOGE, |
| "%s: No Remain on channel pending with specified cookie value", |
| __func__); |
| return -EINVAL; |
| } |
| |
| /* wait until remain on channel ready event received |
| * for already issued remain on channel request */ |
| status = wait_for_completion_interruptible_timeout(&pAdapter->rem_on_chan_ready_event, |
| msecs_to_jiffies(WAIT_REM_CHAN_READY)); |
| if (!status) |
| { |
| hddLog( LOGE, |
| "%s: timeout waiting for remain on channel ready indication", |
| __func__); |
| } |
| INIT_COMPLETION(pAdapter->cancel_rem_on_chan_var); |
| /* Issue abort remain on chan request to sme. |
| * The remain on channel callback will make sure the remain_on_chan |
| * expired event is sent. |
| */ |
| if ( ( WLAN_HDD_INFRA_STATION == pAdapter->device_mode ) || |
| ( WLAN_HDD_P2P_CLIENT == pAdapter->device_mode ) || |
| ( WLAN_HDD_P2P_DEVICE == pAdapter->device_mode ) |
| ) |
| { |
| tANI_U8 sessionId = pAdapter->sessionId; |
| sme_CancelRemainOnChannel( WLAN_HDD_GET_HAL_CTX( pAdapter ), |
| sessionId ); |
| } |
| else if ( (WLAN_HDD_SOFTAP== pAdapter->device_mode) || |
| (WLAN_HDD_P2P_GO == pAdapter->device_mode) |
| ) |
| { |
| WLANSAP_CancelRemainOnChannel( |
| (WLAN_HDD_GET_CTX(pAdapter))->pvosContext); |
| } |
| else |
| { |
| hddLog(VOS_TRACE_LEVEL_ERROR, "%s: Invalid device_mode = %d", |
| __func__, pAdapter->device_mode); |
| return -EIO; |
| } |
| wait_for_completion_interruptible_timeout(&pAdapter->cancel_rem_on_chan_var, |
| msecs_to_jiffies(WAIT_CANCEL_REM_CHAN)); |
| return 0; |
| } |
| |
| #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,6,0)) |
| int wlan_hdd_action( struct wiphy *wiphy, struct wireless_dev *wdev, |
| struct ieee80211_channel *chan, bool offchan, |
| enum nl80211_channel_type channel_type, |
| bool channel_type_valid, unsigned int wait, |
| const u8 *buf, size_t len, bool no_cck, |
| bool dont_wait_for_ack, u64 *cookie ) |
| #elif (LINUX_VERSION_CODE >= KERNEL_VERSION(3,3,0)) |
| int wlan_hdd_action( struct wiphy *wiphy, struct net_device *dev, |
| struct ieee80211_channel *chan, bool offchan, |
| enum nl80211_channel_type channel_type, |
| bool channel_type_valid, unsigned int wait, |
| const u8 *buf, size_t len, bool no_cck, |
| bool dont_wait_for_ack, u64 *cookie ) |
| #elif (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,38)) |
| int wlan_hdd_action( struct wiphy *wiphy, struct net_device *dev, |
| struct ieee80211_channel *chan, bool offchan, |
| enum nl80211_channel_type channel_type, |
| bool channel_type_valid, unsigned int wait, |
| const u8 *buf, size_t len, u64 *cookie ) |
| #else |
| int wlan_hdd_action( struct wiphy *wiphy, struct net_device *dev, |
| struct ieee80211_channel *chan, |
| enum nl80211_channel_type channel_type, |
| bool channel_type_valid, |
| const u8 *buf, size_t len, u64 *cookie ) |
| #endif //LINUX_VERSION_CODE |
| { |
| #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,6,0)) |
| struct net_device *dev = wdev->netdev; |
| #endif |
| hdd_adapter_t *pAdapter = WLAN_HDD_GET_PRIV_PTR( dev ); |
| hdd_cfg80211_state_t *cfgState = WLAN_HDD_GET_CFG_STATE_PTR( pAdapter ); |
| tANI_U16 extendedWait = 0; |
| tANI_U8 type = WLAN_HDD_GET_TYPE_FRM_FC(buf[0]); |
| tANI_U8 subType = WLAN_HDD_GET_SUBTYPE_FRM_FC(buf[0]); |
| tActionFrmType actionFrmType; |
| bool noack = 0; |
| |
| #if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,38)) |
| hdd_adapter_t *goAdapter; |
| #endif |
| |
| if (((hdd_context_t*)pAdapter->pHddCtx)->isLogpInProgress) |
| { |
| VOS_TRACE(VOS_MODULE_ID_HDD, VOS_TRACE_LEVEL_ERROR, |
| "%s:LOGP in Progress. Ignore!!!", __func__); |
| return -EBUSY; |
| } |
| #ifdef WLAN_FEATURE_P2P_DEBUG |
| if ((type == SIR_MAC_MGMT_FRAME) && |
| (subType == SIR_MAC_MGMT_ACTION) && |
| (buf[WLAN_HDD_PUBLIC_ACTION_FRAME_OFFSET] == WLAN_HDD_PUBLIC_ACTION_FRAME)) |
| { |
| actionFrmType = buf[WLAN_HDD_PUBLIC_ACTION_FRAME_TYPE_OFFSET]; |
| if(actionFrmType >= MAX_P2P_ACTION_FRAME_TYPE) |
| { |
| hddLog(VOS_TRACE_LEVEL_ERROR,"[P2P] unknown[%d] ---> OTA", |
| actionFrmType); |
| } |
| else |
| { |
| hddLog(VOS_TRACE_LEVEL_ERROR,"[P2P] %s ---> OTA", |
| p2p_action_frame_type[actionFrmType]); |
| if( (actionFrmType == WLAN_HDD_PROV_DIS_REQ) && |
| (globalP2PConnectionStatus == P2P_NOT_ACTIVE) ) |
| { |
| globalP2PConnectionStatus = P2P_GO_NEG_PROCESS; |
| hddLog(LOGE,"[P2P State]Inactive state to " |
| "GO negotiation progress state"); |
| } |
| else if( (actionFrmType == WLAN_HDD_GO_NEG_CNF) && |
| (globalP2PConnectionStatus == P2P_GO_NEG_PROCESS) ) |
| { |
| globalP2PConnectionStatus = P2P_GO_NEG_COMPLETED; |
| hddLog(LOGE,"[P2P State]GO nego progress to GO nego" |
| " completed state"); |
| } |
| } |
| } |
| #endif |
| |
| #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,3,0)) |
| noack = dont_wait_for_ack; |
| #endif |
| |
| //If the wait is coming as 0 with off channel set |
| //then set the wait to 200 ms |
| if (offchan && !wait) |
| wait = ACTION_FRAME_DEFAULT_WAIT; |
| |
| hddLog(VOS_TRACE_LEVEL_INFO, "%s: device_mode = %d", |
| __func__,pAdapter->device_mode); |
| |
| //Call sme API to send out a action frame. |
| // OR can we send it directly through data path?? |
| // After tx completion send tx status back. |
| if ( ( WLAN_HDD_SOFTAP == pAdapter->device_mode ) || |
| ( WLAN_HDD_P2P_GO == pAdapter->device_mode ) |
| ) |
| { |
| if (type == SIR_MAC_MGMT_FRAME) |
| { |
| if (subType == SIR_MAC_MGMT_PROBE_RSP) |
| { |
| /* Drop Probe response recieved from supplicant, as for GO and |
| SAP PE itself sends probe response |
| */ |
| goto err_rem_channel; |
| } |
| else if ((subType == SIR_MAC_MGMT_DISASSOC) || |
| (subType == SIR_MAC_MGMT_DEAUTH)) |
| { |
| /* During EAP failure or P2P Group Remove supplicant |
| * is sending del_station command to driver. From |
| * del_station function, Driver will send deauth frame to |
| * p2p client. No need to send disassoc frame from here. |
| * so Drop the frame here and send tx indication back to |
| * supplicant. |
| */ |
| tANI_U8 dstMac[ETH_ALEN] = {0}; |
| memcpy(&dstMac, &buf[WLAN_HDD_80211_FRM_DA_OFFSET], ETH_ALEN); |
| hddLog(VOS_TRACE_LEVEL_INFO, |
| "%s: Deauth/Disassoc received for STA:" |
| "%02x:%02x:%02x:%02x:%02x:%02x", |
| __func__, |
| dstMac[0], dstMac[1], dstMac[2], |
| dstMac[3], dstMac[4], dstMac[5]); |
| goto err_rem_channel; |
| } |
| } |
| } |
| |
| if( NULL != cfgState->buf ) |
| { |
| if ( !noack ) |
| { |
| hddLog( LOGE, "(%s):Previous P2P Action frame packet pending", |
| __func__); |
| hdd_cleanup_actionframe(pAdapter->pHddCtx, pAdapter); |
| } |
| else |
| { |
| hddLog( LOGE, "(%s):Pending Action frame packet return EBUSY", |
| __func__); |
| return -EBUSY; |
| } |
| } |
| |
| hddLog( LOG1, "Action frame tx request"); |
| |
| #if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,38)) |
| goAdapter = hdd_get_adapter( pAdapter->pHddCtx, WLAN_HDD_P2P_GO ); |
| |
| //If GO adapter exists and operating on same frequency |
| //then we will not request remain on channel |
| if( goAdapter && ( ieee80211_frequency_to_channel(chan->center_freq) |
| == goAdapter->sessionCtx.ap.operatingChannel ) ) |
| { |
| goto send_frame; |
| } |
| #endif |
| |
| #if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,38)) |
| if( offchan && wait) |
| { |
| int status; |
| |
| // In case of P2P Client mode if we are already |
| // on the same channel then send the frame directly |
| |
| if((cfgState->remain_on_chan_ctx != NULL) && |
| (cfgState->current_freq == chan->center_freq) |
| ) |
| { |
| hddLog(LOG1,"action frame: extending the wait time\n"); |
| extendedWait = (tANI_U16)wait; |
| goto send_frame; |
| } |
| |
| INIT_COMPLETION(pAdapter->offchannel_tx_event); |
| |
| status = wlan_hdd_request_remain_on_channel(wiphy, dev, |
| chan, channel_type, wait, cookie, |
| OFF_CHANNEL_ACTION_TX); |
| |
| if(0 != status) |
| { |
| if( (-EBUSY == status) && |
| (cfgState->current_freq == chan->center_freq) ) |
| { |
| goto send_frame; |
| } |
| goto err_rem_channel; |
| } |
| |
| /* Wait for driver to be ready on the requested channel */ |
| status = wait_for_completion_interruptible_timeout( |
| &pAdapter->offchannel_tx_event, |
| msecs_to_jiffies(WAIT_CHANGE_CHANNEL_FOR_OFFCHANNEL_TX)); |
| if(!status) |
| { |
| hddLog( LOGE, "Not able to complete remain on channel request" |
| " within timeout period"); |
| goto err_rem_channel; |
| } |
| } |
| else if ( offchan ) |
| { |
| /* Check before sending action frame |
| whether we already remain on channel */ |
| if(NULL == cfgState->remain_on_chan_ctx) |
| { |
| goto err_rem_channel; |
| } |
| } |
| send_frame: |
| #endif |
| |
| if(!noack) |
| { |
| cfgState->buf = vos_mem_malloc( len ); //buf; |
| if( cfgState->buf == NULL ) |
| return -ENOMEM; |
| |
| cfgState->len = len; |
| |
| vos_mem_copy( cfgState->buf, buf, len); |
| |
| #if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,38)) |
| if( cfgState->remain_on_chan_ctx ) |
| { |
| cfgState->action_cookie = cfgState->remain_on_chan_ctx->cookie; |
| *cookie = cfgState->action_cookie; |
| } |
| else |
| { |
| #endif |
| *cookie = (tANI_U32) cfgState->buf; |
| cfgState->action_cookie = *cookie; |
| #if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,38)) |
| } |
| #endif |
| } |
| |
| if ( (WLAN_HDD_INFRA_STATION == pAdapter->device_mode) || |
| (WLAN_HDD_P2P_CLIENT == pAdapter->device_mode) || |
| ( WLAN_HDD_P2P_DEVICE == pAdapter->device_mode ) |
| ) |
| { |
| tANI_U8 sessionId = pAdapter->sessionId; |
| |
| if ((type == SIR_MAC_MGMT_FRAME) && |
| (subType == SIR_MAC_MGMT_ACTION) && |
| (buf[WLAN_HDD_PUBLIC_ACTION_FRAME_OFFSET] == WLAN_HDD_PUBLIC_ACTION_FRAME)) |
| { |
| actionFrmType = buf[WLAN_HDD_PUBLIC_ACTION_FRAME_TYPE_OFFSET]; |
| hddLog(LOG1, "Tx Action Frame %u \n", actionFrmType); |
| if (actionFrmType == WLAN_HDD_PROV_DIS_REQ) |
| { |
| cfgState->actionFrmState = HDD_PD_REQ_ACK_PENDING; |
| hddLog(LOG1, "%s: HDD_PD_REQ_ACK_PENDING \n", __func__); |
| } |
| else if (actionFrmType == WLAN_HDD_GO_NEG_REQ) |
| { |
| cfgState->actionFrmState = HDD_GO_NEG_REQ_ACK_PENDING; |
| hddLog(LOG1, "%s: HDD_GO_NEG_REQ_ACK_PENDING \n", __func__); |
| } |
| } |
| |
| if (eHAL_STATUS_SUCCESS != |
| sme_sendAction( WLAN_HDD_GET_HAL_CTX(pAdapter), |
| sessionId, buf, len, extendedWait, noack)) |
| { |
| VOS_TRACE( VOS_MODULE_ID_HDD, VOS_TRACE_LEVEL_ERROR, |
| "%s: sme_sendAction returned fail", __func__); |
| goto err; |
| } |
| } |
| else if( ( WLAN_HDD_SOFTAP== pAdapter->device_mode ) || |
| ( WLAN_HDD_P2P_GO == pAdapter->device_mode ) |
| ) |
| { |
| if( VOS_STATUS_SUCCESS != |
| WLANSAP_SendAction( (WLAN_HDD_GET_CTX(pAdapter))->pvosContext, |
| buf, len, 0 ) ) |
| { |
| VOS_TRACE( VOS_MODULE_ID_HDD, VOS_TRACE_LEVEL_ERROR, |
| "%s: WLANSAP_SendAction returned fail", __func__); |
| goto err; |
| } |
| } |
| |
| return 0; |
| err: |
| if(!noack) |
| { |
| hdd_sendActionCnf( pAdapter, FALSE ); |
| } |
| return 0; |
| err_rem_channel: |
| *cookie = (tANI_U32)cfgState; |
| cfg80211_mgmt_tx_status( |
| #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,6,0)) |
| pAdapter->dev->ieee80211_ptr, |
| #else |
| pAdapter->dev, |
| #endif |
| *cookie, buf, len, FALSE, GFP_KERNEL ); |
| return 0; |
| } |
| |
| #if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,38)) |
| #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,6,0)) |
| int wlan_hdd_cfg80211_mgmt_tx_cancel_wait(struct wiphy *wiphy, |
| struct wireless_dev *wdev, |
| u64 cookie) |
| { |
| return wlan_hdd_cfg80211_cancel_remain_on_channel( wiphy, wdev, cookie ); |
| } |
| #else |
| int wlan_hdd_cfg80211_mgmt_tx_cancel_wait(struct wiphy *wiphy, |
| struct net_device *dev, |
| u64 cookie) |
| { |
| return wlan_hdd_cfg80211_cancel_remain_on_channel( wiphy, dev, cookie ); |
| } |
| #endif |
| #endif |
| |
| void hdd_sendActionCnf( hdd_adapter_t *pAdapter, tANI_BOOLEAN actionSendSuccess ) |
| { |
| hdd_cfg80211_state_t *cfgState = WLAN_HDD_GET_CFG_STATE_PTR( pAdapter ); |
| |
| cfgState->actionFrmState = HDD_IDLE; |
| |
| hddLog( LOG1, "Send Action cnf, actionSendSuccess %d", actionSendSuccess); |
| if( NULL == cfgState->buf ) |
| { |
| return; |
| } |
| |
| /* If skb is NULL it means this packet was received on CFG80211 interface |
| * else it was received on Monitor interface */ |
| if( cfgState->skb == NULL ) |
| { |
| /* |
| * buf is the same pointer it passed us to send. Since we are sending |
| * it through control path, we use different buffers. |
| * In case of mac80211, they just push it to the skb and pass the same |
| * data while sending tx ack status. |
| * */ |
| cfg80211_mgmt_tx_status( |
| #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,6,0)) |
| pAdapter->dev->ieee80211_ptr, |
| #else |
| pAdapter->dev, |
| #endif |
| cfgState->action_cookie, |
| cfgState->buf, cfgState->len, actionSendSuccess, GFP_KERNEL ); |
| vos_mem_free( cfgState->buf ); |
| cfgState->buf = NULL; |
| } |
| else |
| { |
| hdd_adapter_t* pMonAdapter = |
| hdd_get_adapter( pAdapter->pHddCtx, WLAN_HDD_MONITOR ); |
| if( pMonAdapter == NULL ) |
| { |
| hddLog( LOGE, "Not able to get Monitor Adapter"); |
| cfgState->skb = NULL; |
| vos_mem_free( cfgState->buf ); |
| cfgState->buf = NULL; |
| complete(&pAdapter->tx_action_cnf_event); |
| return; |
| } |
| /* Send TX completion feedback over monitor interface. */ |
| hdd_wlan_tx_complete( pMonAdapter, cfgState, actionSendSuccess ); |
| cfgState->skb = NULL; |
| vos_mem_free( cfgState->buf ); |
| cfgState->buf = NULL; |
| /* Look for the next Mgmt packet to TX */ |
| hdd_mon_tx_mgmt_pkt(pAdapter); |
| } |
| complete(&pAdapter->tx_action_cnf_event); |
| } |
| |
| /** |
| * hdd_setP2pNoa |
| * |
| *FUNCTION: |
| * This function is called from hdd_hostapd_ioctl function when Driver |
| * get P2P_SET_NOA comand from wpa_supplicant using private ioctl |
| * |
| *LOGIC: |
| * Fill NoA Struct According to P2P Power save Option and Pass it to SME layer |
| * |
| *ASSUMPTIONS: |
| * |
| * |
| *NOTE: |
| * |
| * @param dev Pointer to net device structure |
| * @param command Pointer to command |
| * |
| * @return Status |
| */ |
| |
| int hdd_setP2pNoa( struct net_device *dev, tANI_U8 *command ) |
| { |
| hdd_adapter_t *pAdapter = WLAN_HDD_GET_PRIV_PTR(dev); |
| tHalHandle hHal = WLAN_HDD_GET_HAL_CTX(pAdapter); |
| VOS_STATUS status = VOS_STATUS_SUCCESS; |
| tP2pPsConfig NoA; |
| int count, duration, start_time; |
| char *param; |
| |
| param = strnchr(command, strlen(command), ' '); |
| if (param == NULL) |
| return -EINVAL; |
| param++; |
| sscanf(param, "%d %d %d", &count, &start_time, &duration); |
| VOS_TRACE( VOS_MODULE_ID_HDD, VOS_TRACE_LEVEL_INFO, |
| "%s: P2P_SET GO NoA: count=%d duration=%d interval=%d \n", |
| __func__, count, start_time, duration); |
| duration = MS_TO_MUS(duration); |
| /* PS Selection |
| * Periodic NoA (2) |
| * Single NOA (4) |
| */ |
| NoA.opp_ps = 0; |
| NoA.ctWindow = 0; |
| if (count == 1) |
| { |
| NoA.duration = 0; |
| NoA.single_noa_duration = duration; |
| NoA.psSelection = P2P_POWER_SAVE_TYPE_SINGLE_NOA; |
| } |
| else |
| { |
| NoA.duration = duration; |
| NoA.single_noa_duration = 0; |
| NoA.psSelection = P2P_POWER_SAVE_TYPE_PERIODIC_NOA; |
| } |
| NoA.interval = MS_TO_MUS(100); |
| NoA.count = count; |
| NoA.sessionid = pAdapter->sessionId; |
| |
| VOS_TRACE( VOS_MODULE_ID_HDD, VOS_TRACE_LEVEL_INFO, |
| "%s: P2P_PS_ATTR:oppPS %d ctWindow %d duration %d " |
| "interval %d count %d single noa duration %d " |
| "PsSelection %x \n", __func__, NoA.opp_ps, |
| NoA.ctWindow, NoA.duration, NoA.interval, |
| NoA.count, NoA.single_noa_duration, |
| NoA.psSelection); |
| |
| sme_p2pSetPs(hHal, &NoA); |
| return status; |
| } |
| |
| /** |
| * hdd_setP2pOpps |
| * |
| *FUNCTION: |
| * This function is called from hdd_hostapd_ioctl function when Driver |
| * get P2P_SET_PS comand from wpa_supplicant using private ioctl |
| * |
| *LOGIC: |
| * Fill NoA Struct According to P2P Power save Option and Pass it to SME layer |
| * |
| *ASSUMPTIONS: |
| * |
| * |
| *NOTE: |
| * |
| * @param dev Pointer to net device structure |
| * @param command Pointer to command |
| * |
| * @return Status |
| */ |
| |
| int hdd_setP2pOpps( struct net_device *dev, tANI_U8 *command ) |
| { |
| hdd_adapter_t *pAdapter = WLAN_HDD_GET_PRIV_PTR(dev); |
| tHalHandle hHal = WLAN_HDD_GET_HAL_CTX(pAdapter); |
| VOS_STATUS status = VOS_STATUS_SUCCESS; |
| tP2pPsConfig NoA; |
| char *param; |
| int legacy_ps, opp_ps, ctwindow; |
| |
| param = strnchr(command, strlen(command), ' '); |
| if (param == NULL) |
| return -EINVAL; |
| param++; |
| sscanf(param, "%d %d %d", &legacy_ps, &opp_ps, &ctwindow); |
| VOS_TRACE (VOS_MODULE_ID_HDD, VOS_TRACE_LEVEL_INFO, |
| "%s: P2P_SET GO PS: legacy_ps=%d opp_ps=%d ctwindow=%d \n", |
| __func__, legacy_ps, opp_ps, ctwindow); |
| |
| /* PS Selection |
| * Opportunistic Power Save (1) |
| */ |
| |
| /* From wpa_cli user need to use separate command to set ctWindow and Opps |
| * When user want to set ctWindow during that time other parameters |
| * values are coming from wpa_supplicant as -1. |
| * Example : User want to set ctWindow with 30 then wpa_cli command : |
| * P2P_SET ctwindow 30 |
| * Command Received at hdd_hostapd_ioctl is as below: |
| * P2P_SET_PS -1 -1 30 (legacy_ps = -1, opp_ps = -1, ctwindow = 30) |
| */ |
| if (ctwindow != -1) |
| { |
| |
| VOS_TRACE(VOS_MODULE_ID_HDD, VOS_TRACE_LEVEL_INFO, |
| "Opportunistic Power Save is %s \n", |
| (TRUE == pAdapter->ops) ? "Enable" : "Disable" ); |
| |
| if (ctwindow != pAdapter->ctw) |
| { |
| pAdapter->ctw = ctwindow; |
| |
| if(pAdapter->ops) |
| { |
| NoA.opp_ps = pAdapter->ops; |
| NoA.ctWindow = pAdapter->ctw; |
| NoA.duration = 0; |
| NoA.single_noa_duration = 0; |
| NoA.interval = 0; |
| NoA.count = 0; |
| NoA.psSelection = P2P_POWER_SAVE_TYPE_OPPORTUNISTIC; |
| NoA.sessionid = pAdapter->sessionId; |
| |
| VOS_TRACE( VOS_MODULE_ID_HDD, VOS_TRACE_LEVEL_INFO, |
| "%s: P2P_PS_ATTR:oppPS %d ctWindow %d duration %d " |
| "interval %d count %d single noa duration %d " |
| "PsSelection %x \n", __func__, NoA.opp_ps, |
| NoA.ctWindow, NoA.duration, NoA.interval, |
| NoA.count, NoA.single_noa_duration, |
| NoA.psSelection); |
| |
| sme_p2pSetPs(hHal, &NoA); |
| } |
| return 0; |
| } |
| } |
| |
| if (opp_ps != -1) |
| { |
| pAdapter->ops = opp_ps; |
| |
| if ((opp_ps != -1) && (pAdapter->ctw)) |
| { |
| NoA.opp_ps = opp_ps; |
| NoA.ctWindow = pAdapter->ctw; |
| NoA.duration = 0; |
| NoA.single_noa_duration = 0; |
| NoA.interval = 0; |
| NoA.count = 0; |
| NoA.psSelection = P2P_POWER_SAVE_TYPE_OPPORTUNISTIC; |
| NoA.sessionid = pAdapter->sessionId; |
| |
| VOS_TRACE( VOS_MODULE_ID_HDD, VOS_TRACE_LEVEL_INFO, |
| "%s: P2P_PS_ATTR:oppPS %d ctWindow %d duration %d " |
| "interval %d count %d single noa duration %d " |
| "PsSelection %x \n", __func__, NoA.opp_ps, |
| NoA.ctWindow, NoA.duration, NoA.interval, |
| NoA.count, NoA.single_noa_duration, |
| NoA.psSelection); |
| |
| sme_p2pSetPs(hHal, &NoA); |
| } |
| } |
| return status; |
| } |
| |
| int hdd_setP2pPs( struct net_device *dev, void *msgData ) |
| { |
| hdd_adapter_t *pAdapter = WLAN_HDD_GET_PRIV_PTR(dev); |
| tHalHandle hHal = WLAN_HDD_GET_HAL_CTX(pAdapter); |
| VOS_STATUS status = VOS_STATUS_SUCCESS; |
| tP2pPsConfig NoA; |
| p2p_app_setP2pPs_t *pappNoA = (p2p_app_setP2pPs_t *) msgData; |
| |
| NoA.opp_ps = pappNoA->opp_ps; |
| NoA.ctWindow = pappNoA->ctWindow; |
| NoA.duration = pappNoA->duration; |
| NoA.interval = pappNoA->interval; |
| NoA.count = pappNoA->count; |
| NoA.single_noa_duration = pappNoA->single_noa_duration; |
| NoA.psSelection = pappNoA->psSelection; |
| NoA.sessionid = pAdapter->sessionId; |
| |
| sme_p2pSetPs(hHal, &NoA); |
| return status; |
| } |
| #endif |
| |
| static tANI_U8 wlan_hdd_get_session_type( enum nl80211_iftype type ) |
| { |
| tANI_U8 sessionType; |
| |
| switch( type ) |
| { |
| case NL80211_IFTYPE_AP: |
| sessionType = WLAN_HDD_SOFTAP; |
| break; |
| case NL80211_IFTYPE_P2P_GO: |
| sessionType = WLAN_HDD_P2P_GO; |
| break; |
| case NL80211_IFTYPE_P2P_CLIENT: |
| sessionType = WLAN_HDD_P2P_CLIENT; |
| break; |
| case NL80211_IFTYPE_STATION: |
| sessionType = WLAN_HDD_INFRA_STATION; |
| break; |
| case NL80211_IFTYPE_MONITOR: |
| sessionType = WLAN_HDD_MONITOR; |
| break; |
| default: |
| sessionType = WLAN_HDD_INFRA_STATION; |
| break; |
| } |
| |
| return sessionType; |
| } |
| |
| #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,7,0)) |
| struct wireless_dev* wlan_hdd_add_virtual_intf( |
| struct wiphy *wiphy, const char *name, |
| enum nl80211_iftype type, |
| u32 *flags, struct vif_params *params ) |
| #elif (LINUX_VERSION_CODE >= KERNEL_VERSION(3,6,0)) |
| struct wireless_dev* wlan_hdd_add_virtual_intf( |
| struct wiphy *wiphy, char *name, enum nl80211_iftype type, |
| u32 *flags, struct vif_params *params ) |
| #elif (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,38)) |
| struct net_device* wlan_hdd_add_virtual_intf( |
| struct wiphy *wiphy, char *name, enum nl80211_iftype type, |
| u32 *flags, struct vif_params *params ) |
| #else |
| int wlan_hdd_add_virtual_intf( struct wiphy *wiphy, char *name, |
| enum nl80211_iftype type, |
| u32 *flags, struct vif_params *params ) |
| #endif |
| { |
| hdd_context_t *pHddCtx = (hdd_context_t*) wiphy_priv(wiphy); |
| hdd_adapter_t* pAdapter = NULL; |
| |
| ENTER(); |
| |
| if(hdd_get_adapter(pHddCtx, wlan_hdd_get_session_type(type)) != NULL) |
| { |
| hddLog(VOS_TRACE_LEVEL_ERROR,"%s: Interface type %d already exists. Two" |
| "interfaces of same type are not supported currently.",__func__, type); |
| return NULL; |
| } |
| |
| if (pHddCtx->isLogpInProgress) |
| { |
| VOS_TRACE(VOS_MODULE_ID_HDD, VOS_TRACE_LEVEL_ERROR, |
| "%s:LOGP in Progress. Ignore!!!", __func__); |
| #if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,38)) |
| return NULL; |
| #else |
| return -EAGAIN; |
| #endif |
| } |
| if ( pHddCtx->cfg_ini->isP2pDeviceAddrAdministrated ) |
| { |
| if( (NL80211_IFTYPE_P2P_GO == type) || |
| (NL80211_IFTYPE_P2P_CLIENT == type) ) |
| { |
| /* Generate the P2P Interface Address. this address must be |
| * different from the P2P Device Address. |
| */ |
| v_MACADDR_t p2pDeviceAddress = pHddCtx->p2pDeviceAddress; |
| p2pDeviceAddress.bytes[4] ^= 0x80; |
| pAdapter = hdd_open_adapter( pHddCtx, |
| wlan_hdd_get_session_type(type), |
| name, p2pDeviceAddress.bytes, |
| VOS_TRUE ); |
| } |
| } |
| else |
| { |
| pAdapter = hdd_open_adapter( pHddCtx, wlan_hdd_get_session_type(type), |
| name, wlan_hdd_get_intf_addr(pHddCtx), VOS_TRUE ); |
| } |
| |
| if( NULL == pAdapter) |
| { |
| hddLog(VOS_TRACE_LEVEL_ERROR,"%s: hdd_open_adapter failed",__func__); |
| #if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,38)) |
| return NULL; |
| #else |
| return -EINVAL; |
| #endif |
| } |
| EXIT(); |
| #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,6,0)) |
| return pAdapter->dev->ieee80211_ptr; |
| #elif (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,38)) |
| return pAdapter->dev; |
| #else |
| return 0; |
| #endif |
| } |
| |
| #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,6,0)) |
| int wlan_hdd_del_virtual_intf( struct wiphy *wiphy, struct wireless_dev *wdev ) |
| #else |
| int wlan_hdd_del_virtual_intf( struct wiphy *wiphy, struct net_device *dev ) |
| #endif |
| { |
| #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,6,0)) |
| struct net_device *dev = wdev->netdev; |
| #endif |
| hdd_context_t *pHddCtx = (hdd_context_t*) wiphy_priv(wiphy); |
| hdd_adapter_t *pVirtAdapter = WLAN_HDD_GET_PRIV_PTR(dev); |
| ENTER(); |
| |
| hddLog(VOS_TRACE_LEVEL_INFO, "%s: device_mode = %d", |
| __func__,pVirtAdapter->device_mode); |
| if (pHddCtx->isLogpInProgress) |
| { |
| VOS_TRACE(VOS_MODULE_ID_HDD, VOS_TRACE_LEVEL_ERROR, |
| "%s:LOGP in Progress. Ignore!!!", __func__); |
| return -EAGAIN; |
| } |
| |
| wlan_hdd_release_intf_addr( pHddCtx, |
| pVirtAdapter->macAddressCurrent.bytes ); |
| |
| hdd_stop_adapter( pHddCtx, pVirtAdapter ); |
| hdd_close_adapter( pHddCtx, pVirtAdapter, TRUE ); |
| EXIT(); |
| return 0; |
| } |
| |
| void hdd_sendMgmtFrameOverMonitorIface( hdd_adapter_t *pMonAdapter, |
| tANI_U32 nFrameLength, tANI_U8* pbFrames, |
| tANI_U8 frameType ) |
| { |
| //Indicate a Frame over Monitor Intf. |
| int rxstat; |
| struct sk_buff *skb = NULL; |
| int needed_headroom = 0; |
| int flag = HDD_RX_FLAG_IV_STRIPPED | HDD_RX_FLAG_DECRYPTED | |
| HDD_RX_FLAG_MMIC_STRIPPED; |
| #ifdef WLAN_OPEN_SOURCE |
| #ifdef WLAN_FEATURE_HOLD_RX_WAKELOCK |
| hdd_context_t* pHddCtx = (hdd_context_t*)(pMonAdapter->pHddCtx); |
| #endif |
| #endif |
| hddLog( LOG1, FL("Indicate Frame over Monitor Intf")); |
| |
| VOS_ASSERT( (pbFrames != NULL) ); |
| |
| /* room for the radiotap header based on driver features |
| * 1 Byte for RADIO TAP Flag, 1 Byte padding and 2 Byte for |
| * RX flags. |
| * */ |
| needed_headroom = sizeof(struct ieee80211_radiotap_header) + 4; |
| |
| //alloc skb here |
| skb = alloc_skb(VPKT_SIZE_BUFFER, GFP_ATOMIC); |
| if (unlikely(NULL == skb)) |
| { |
| hddLog( LOGW, FL("Unable to allocate skb")); |
| return; |
| } |
| skb_reserve(skb, VPKT_SIZE_BUFFER); |
| if (unlikely(skb_headroom(skb) < nFrameLength)) |
| { |
| VOS_TRACE(VOS_MODULE_ID_HDD, VOS_TRACE_LEVEL_FATAL, |
| "HDD [%d]: Insufficient headroom, " |
| "head[%p], data[%p], req[%d]", |
| __LINE__, skb->head, skb->data, nFrameLength); |
| kfree_skb(skb); |
| return ; |
| } |
| // actually push the data |
| memcpy(skb_push(skb, nFrameLength), pbFrames, nFrameLength); |
| /* prepend radiotap information */ |
| if( 0 != hdd_wlan_add_rx_radiotap_hdr( skb, needed_headroom, flag ) ) |
| { |
| hddLog( LOGE, FL("Not Able Add Radio Tap")); |
| //free skb |
| kfree_skb(skb); |
| return ; |
| } |
| |
| skb_reset_mac_header( skb ); |
| skb->dev = pMonAdapter->dev; |
| skb->protocol = eth_type_trans( skb, skb->dev ); |
| skb->ip_summed = CHECKSUM_NONE; |
| #ifdef WLAN_OPEN_SOURCE |
| #ifdef WLAN_FEATURE_HOLD_RX_WAKELOCK |
| wake_lock_timeout(&pHddCtx->rx_wake_lock, HDD_WAKE_LOCK_DURATION); |
| #endif |
| #endif |
| rxstat = netif_rx_ni(skb); |
| if( NET_RX_SUCCESS == rxstat ) |
| { |
| hddLog( LOG1, FL("Success")); |
| } |
| else |
| hddLog( LOGE, FL("Failed %d"), rxstat); |
| |
| return ; |
| } |
| |
| void hdd_indicateMgmtFrame( hdd_adapter_t *pAdapter, |
| tANI_U32 nFrameLength, |
| tANI_U8* pbFrames, |
| tANI_U8 frameType, |
| tANI_U32 rxChan, |
| tANI_S8 rxRssi ) |
| { |
| tANI_U16 freq; |
| tANI_U8 type = 0; |
| tANI_U8 subType = 0; |
| tActionFrmType actionFrmType; |
| hdd_cfg80211_state_t *cfgState = NULL; |
| |
| hddLog(VOS_TRACE_LEVEL_INFO, "%s: Frame Type = %d Frame Length = %d\n", |
| __func__, frameType, nFrameLength); |
| |
| if (NULL == pAdapter) |
| { |
| hddLog( LOGE, FL("pAdapter is NULL")); |
| return; |
| } |
| |
| type = WLAN_HDD_GET_TYPE_FRM_FC(pbFrames[0]); |
| subType = WLAN_HDD_GET_SUBTYPE_FRM_FC(pbFrames[0]); |
| |
| /* Get pAdapter from Destination mac address of the frame */ |
| if ((type == SIR_MAC_MGMT_FRAME) && |
| (subType != SIR_MAC_MGMT_PROBE_REQ)) |
| { |
| pAdapter = hdd_get_adapter_by_macaddr( WLAN_HDD_GET_CTX(pAdapter), |
| &pbFrames[WLAN_HDD_80211_FRM_DA_OFFSET]); |
| if (NULL == pAdapter) |
| { |
| /* Under assumtion that we don't receive any action frame |
| * with BCST as destination we dropping action frame |
| */ |
| hddLog(VOS_TRACE_LEVEL_FATAL,"pAdapter for action frame is NULL Macaddr = " |
| MAC_ADDRESS_STR , |
| MAC_ADDR_ARRAY(&pbFrames[WLAN_HDD_80211_FRM_DA_OFFSET])); |
| hddLog(VOS_TRACE_LEVEL_FATAL, "%s: Frame Type = %d Frame Length = %d" |
| " subType = %d \n",__func__,frameType,nFrameLength,subType); |
| return; |
| } |
| } |
| |
| if (NULL == pAdapter->dev) |
| { |
| hddLog( LOGE, FL("pAdapter->dev is NULL")); |
| return; |
| } |
| |
| if (WLAN_HDD_ADAPTER_MAGIC != pAdapter->magic) |
| { |
| hddLog( LOGE, FL("pAdapter has invalid magic")); |
| return; |
| } |
| |
| if( !nFrameLength ) |
| { |
| hddLog( LOGE, FL("Frame Length is Invalid ZERO")); |
| return; |
| } |
| |
| if (NULL == pbFrames) { |
| hddLog( LOGE, FL("pbFrames is NULL")); |
| return; |
| } |
| |
| |
| if( ( WLAN_HDD_SOFTAP == pAdapter->device_mode ) |
| || ( WLAN_HDD_P2P_GO == pAdapter->device_mode ) |
| ) |
| { |
| hdd_adapter_t *pMonAdapter = |
| hdd_get_mon_adapter( WLAN_HDD_GET_CTX(pAdapter) ); |
| |
| if( NULL != pMonAdapter ) |
| { |
| hddLog( LOG1, FL("Indicate Frame over Monitor Interface")); |
| hdd_sendMgmtFrameOverMonitorIface( pMonAdapter, nFrameLength, |
| pbFrames, frameType); |
| return; |
| } |
| } |
| |
| //Channel indicated may be wrong. TODO |
| //Indicate an action frame. |
| if( rxChan <= MAX_NO_OF_2_4_CHANNELS ) |
| { |
| freq = ieee80211_channel_to_frequency( rxChan, |
| IEEE80211_BAND_2GHZ); |
| } |
| else |
| { |
| freq = ieee80211_channel_to_frequency( rxChan, |
| IEEE80211_BAND_5GHZ); |
| } |
| |
| cfgState = WLAN_HDD_GET_CFG_STATE_PTR( pAdapter ); |
| |
| if ((type == SIR_MAC_MGMT_FRAME) && |
| (subType == SIR_MAC_MGMT_ACTION)) |
| { |
| if(pbFrames[WLAN_HDD_PUBLIC_ACTION_FRAME_OFFSET] == WLAN_HDD_PUBLIC_ACTION_FRAME) |
| { |
| // public action frame |
| if((pbFrames[WLAN_HDD_PUBLIC_ACTION_FRAME_OFFSET+1] == SIR_MAC_ACTION_VENDOR_SPECIFIC) && |
| vos_mem_compare(&pbFrames[WLAN_HDD_PUBLIC_ACTION_FRAME_OFFSET+2], SIR_MAC_P2P_OUI, SIR_MAC_P2P_OUI_SIZE)) |
| // P2P action frames |
| { |
| actionFrmType = pbFrames[WLAN_HDD_PUBLIC_ACTION_FRAME_TYPE_OFFSET]; |
| hddLog(LOG1, "Rx Action Frame %u \n", actionFrmType); |
| #ifdef WLAN_FEATURE_P2P_DEBUG |
| if(actionFrmType >= MAX_P2P_ACTION_FRAME_TYPE) |
| { |
| hddLog(VOS_TRACE_LEVEL_ERROR,"[P2P] unknown[%d] <--- OTA", |
| actionFrmType); |
| } |
| else |
| { |
| hddLog(VOS_TRACE_LEVEL_ERROR,"[P2P] %s <--- OTA", |
| p2p_action_frame_type[actionFrmType]); |
| if( (actionFrmType == WLAN_HDD_PROV_DIS_REQ) && |
| (globalP2PConnectionStatus == P2P_NOT_ACTIVE) ) |
| { |
| globalP2PConnectionStatus = P2P_GO_NEG_PROCESS; |
| hddLog(LOGE,"[P2P State]Inactive state to " |
| "GO negotiation progress state"); |
| } |
| else if( (actionFrmType == WLAN_HDD_GO_NEG_CNF) && |
| (globalP2PConnectionStatus == P2P_GO_NEG_PROCESS) ) |
| { |
| globalP2PConnectionStatus = P2P_GO_NEG_COMPLETED; |
| hddLog(LOGE,"[P2P State]GO negotiation progress to " |
| "GO negotiation completed state"); |
| } |
| else if( (actionFrmType == WLAN_HDD_INVITATION_REQ) && |
| (globalP2PConnectionStatus == P2P_NOT_ACTIVE) ) |
| { |
| globalP2PConnectionStatus = P2P_GO_NEG_COMPLETED; |
| hddLog(LOGE,"[P2P State]Inactive state to GO negotiation" |
| " completed state Autonomous GO formation"); |
| } |
| } |
| #endif |
| |
| if (((actionFrmType == WLAN_HDD_PROV_DIS_RESP) && |
| (cfgState->actionFrmState == HDD_PD_REQ_ACK_PENDING)) || |
| ((actionFrmType == WLAN_HDD_GO_NEG_RESP) && |
| (cfgState->actionFrmState == HDD_GO_NEG_REQ_ACK_PENDING))) |
| { |
| hddLog(LOG1, "%s: ACK_PENDING and But received RESP for Action frame ", |
| __func__); |
| hdd_sendActionCnf(pAdapter, TRUE); |
| } |
| } |
| #ifdef FEATURE_WLAN_TDLS |
| else if(pbFrames[WLAN_HDD_PUBLIC_ACTION_FRAME_OFFSET+1] == WLAN_HDD_PUBLIC_ACTION_TDLS_DISC_RESP) |
| { |
| wlan_hdd_tdls_set_cap(&pbFrames[WLAN_HDD_80211_FRM_DA_OFFSET+6], 1); |
| wlan_hdd_tdls_set_rssi(&pbFrames[WLAN_HDD_80211_FRM_DA_OFFSET+6], rxRssi); |
| hddLog(VOS_TRACE_LEVEL_ERROR,"[TDLS] TDLS Discovery Response <--- OTA"); |
| } |
| #endif |
| } |
| #ifdef FEATURE_WLAN_TDLS |
| if(pbFrames[WLAN_HDD_PUBLIC_ACTION_FRAME_OFFSET] == WLAN_HDD_TDLS_ACTION_FRAME) |
| { |
| actionFrmType = pbFrames[WLAN_HDD_PUBLIC_ACTION_FRAME_OFFSET+1]; |
| if(actionFrmType >= MAX_TDLS_ACTION_FRAME_TYPE) |
| { |
| hddLog(VOS_TRACE_LEVEL_ERROR,"[TDLS] unknown[%d] <--- OTA", |
| actionFrmType); |
| } |
| else |
| { |
| hddLog(VOS_TRACE_LEVEL_ERROR,"[TDLS] %s <--- OTA", |
| tdls_action_frame_type[actionFrmType]); |
| } |
| } |
| #endif |
| } |
| |
| //Indicate Frame Over Normal Interface |
| hddLog( LOG1, FL("Indicate Frame over NL80211 Interface")); |
| |
| #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,6,0)) |
| cfg80211_rx_mgmt( pAdapter->dev->ieee80211_ptr, freq, 0, |
| pbFrames, nFrameLength, |
| GFP_ATOMIC ); |
| #elif (LINUX_VERSION_CODE >= KERNEL_VERSION(3,4,0)) |
| cfg80211_rx_mgmt( pAdapter->dev, freq, 0, |
| pbFrames, nFrameLength, |
| GFP_ATOMIC ); |
| #else |
| cfg80211_rx_mgmt( pAdapter->dev, freq, |
| pbFrames, nFrameLength, |
| GFP_ATOMIC ); |
| #endif //LINUX_VERSION_CODE |
| } |
| |
| /* |
| * ieee80211_add_rx_radiotap_header - add radiotap header |
| */ |
| static int hdd_wlan_add_rx_radiotap_hdr ( |
| struct sk_buff *skb, int rtap_len, int flag ) |
| { |
| u8 rtap_temp[20] = {0}; |
| struct ieee80211_radiotap_header *rthdr; |
| unsigned char *pos; |
| u16 rx_flags = 0; |
| |
| rthdr = (struct ieee80211_radiotap_header *)(&rtap_temp[0]); |
| |
| /* radiotap header, set always present flags */ |
| rthdr->it_present = cpu_to_le32((1 << IEEE80211_RADIOTAP_FLAGS) | |
| (1 << IEEE80211_RADIOTAP_RX_FLAGS)); |
| rthdr->it_len = cpu_to_le16(rtap_len); |
| |
| pos = (unsigned char *) (rthdr + 1); |
| |
| /* the order of the following fields is important */ |
| |
| /* IEEE80211_RADIOTAP_FLAGS */ |
| *pos = 0; |
| pos++; |
| |
| /* IEEE80211_RADIOTAP_RX_FLAGS: Length 2 Bytes */ |
| /* ensure 2 byte alignment for the 2 byte field as required */ |
| if ((pos - (u8 *)rthdr) & 1) |
| pos++; |
| put_unaligned_le16(rx_flags, pos); |
| pos += 2; |
| |
| // actually push the data |
| memcpy(skb_push(skb, rtap_len), &rtap_temp[0], rtap_len); |
| |
| return 0; |
| } |
| |
| static void hdd_wlan_tx_complete( hdd_adapter_t* pAdapter, |
| hdd_cfg80211_state_t* cfgState, |
| tANI_BOOLEAN actionSendSuccess ) |
| { |
| struct ieee80211_radiotap_header *rthdr; |
| unsigned char *pos; |
| struct sk_buff *skb = cfgState->skb; |
| #ifdef WLAN_OPEN_SOURCE |
| #ifdef WLAN_FEATURE_HOLD_RX_WAKELOCK |
| hdd_context_t *pHddCtx = (hdd_context_t*)(pAdapter->pHddCtx); |
| #endif |
| #endif |
| |
| /* 2 Byte for TX flags and 1 Byte for Retry count */ |
| u32 rtHdrLen = sizeof(*rthdr) + 3; |
| |
| u8 *data; |
| |
| /* We have to return skb with Data starting with MAC header. We have |
| * copied SKB data starting with MAC header to cfgState->buf. We will pull |
| * entire skb->len from skb and then we will push cfgState->buf to skb |
| * */ |
| if( NULL == skb_pull(skb, skb->len) ) |
| { |
| hddLog( LOGE, FL("Not Able to Pull %d byte from skb"), skb->len); |
| kfree_skb(cfgState->skb); |
| return; |
| } |
| |
| data = skb_push( skb, cfgState->len ); |
| |
| if (data == NULL) |
| { |
| hddLog( LOGE, FL("Not Able to Push %d byte to skb"), cfgState->len); |
| kfree_skb( cfgState->skb ); |
| return; |
| } |
| |
| memcpy( data, cfgState->buf, cfgState->len ); |
| |
| /* send frame to monitor interfaces now */ |
| if( skb_headroom(skb) < rtHdrLen ) |
| { |
| hddLog( LOGE, FL("No headroom for rtap header")); |
| kfree_skb(cfgState->skb); |
| return; |
| } |
| |
| rthdr = (struct ieee80211_radiotap_header*) skb_push( skb, rtHdrLen ); |
| |
| memset( rthdr, 0, rtHdrLen ); |
| rthdr->it_len = cpu_to_le16( rtHdrLen ); |
| rthdr->it_present = cpu_to_le32((1 << IEEE80211_RADIOTAP_TX_FLAGS) | |
| (1 << IEEE80211_RADIOTAP_DATA_RETRIES) |
| ); |
| |
| pos = (unsigned char *)( rthdr+1 ); |
| |
| // Fill TX flags |
| *pos = actionSendSuccess; |
| pos += 2; |
| |
| // Fill retry count |
| *pos = 0; |
| pos++; |
| |
| skb_set_mac_header( skb, 0 ); |
| skb->ip_summed = CHECKSUM_NONE; |
| skb->pkt_type = PACKET_OTHERHOST; |
| skb->protocol = htons(ETH_P_802_2); |
| memset( skb->cb, 0, sizeof( skb->cb ) ); |
| #ifdef WLAN_OPEN_SOURCE |
| #ifdef WLAN_FEATURE_HOLD_RX_WAKELOCK |
| wake_lock_timeout(&pHddCtx->rx_wake_lock, HDD_WAKE_LOCK_DURATION); |
| #endif |
| #endif |
| if (in_interrupt()) |
| netif_rx( skb ); |
| else |
| netif_rx_ni( skb ); |
| |
| /* Enable Queues which we have disabled earlier */ |
| netif_tx_start_all_queues( pAdapter->dev ); |
| |
| } |
| #endif // CONFIG_CFG80211 |