/****************************************************************************** * * Copyright(c) 2007 - 2012 Realtek Corporation. All rights reserved. * * This program is free software; you can redistribute it and/or modify it * under the terms of version 2 of the GNU General Public License as * published by the Free Software Foundation. * * This program is distributed in the hope that it will be useful, but WITHOUT * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for * more details. * * You should have received a copy of the GNU General Public License along with * this program; if not, write to the Free Software Foundation, Inc., * 51 Franklin Street, Fifth Floor, Boston, MA 02110, USA * * ******************************************************************************/ #define _RTW_XMIT_C_ #include #if defined (PLATFORM_LINUX) && defined (PLATFORM_WINDOWS) #error "Shall be Linux or Windows, but not both!\n" #endif static u8 P802_1H_OUI[P80211_OUI_LEN] = { 0x00, 0x00, 0xf8 }; static u8 RFC1042_OUI[P80211_OUI_LEN] = { 0x00, 0x00, 0x00 }; static void _init_txservq(struct tx_servq *ptxservq) { _func_enter_; _rtw_init_listhead(&ptxservq->tx_pending); _rtw_init_queue(&ptxservq->sta_pending); ptxservq->qcnt = 0; _func_exit_; } void _rtw_init_sta_xmit_priv(struct sta_xmit_priv *psta_xmitpriv) { _func_enter_; _rtw_memset((unsigned char *)psta_xmitpriv, 0, sizeof (struct sta_xmit_priv)); _rtw_spinlock_init(&psta_xmitpriv->lock); //for(i = 0 ; i < MAX_NUMBLKS; i++) // _init_txservq(&(psta_xmitpriv->blk_q[i])); _init_txservq(&psta_xmitpriv->be_q); _init_txservq(&psta_xmitpriv->bk_q); _init_txservq(&psta_xmitpriv->vi_q); _init_txservq(&psta_xmitpriv->vo_q); _rtw_init_listhead(&psta_xmitpriv->legacy_dz); _rtw_init_listhead(&psta_xmitpriv->apsd); _func_exit_; } s32 _rtw_init_xmit_priv(struct xmit_priv *pxmitpriv, _adapter *padapter) { int i; struct xmit_buf *pxmitbuf; struct xmit_frame *pxframe; sint res=_SUCCESS; _func_enter_; // We don't need to memset padapter->XXX to zero, because adapter is allocated by rtw_zvmalloc(). //_rtw_memset((unsigned char *)pxmitpriv, 0, sizeof(struct xmit_priv)); _rtw_spinlock_init(&pxmitpriv->lock); _rtw_spinlock_init(&pxmitpriv->lock_sctx); _rtw_init_sema(&pxmitpriv->xmit_sema, 0); _rtw_init_sema(&pxmitpriv->terminate_xmitthread_sema, 0); /* Please insert all the queue initializaiton using _rtw_init_queue below */ pxmitpriv->adapter = padapter; //for(i = 0 ; i < MAX_NUMBLKS; i++) // _rtw_init_queue(&pxmitpriv->blk_strms[i]); _rtw_init_queue(&pxmitpriv->be_pending); _rtw_init_queue(&pxmitpriv->bk_pending); _rtw_init_queue(&pxmitpriv->vi_pending); _rtw_init_queue(&pxmitpriv->vo_pending); _rtw_init_queue(&pxmitpriv->bm_pending); //_rtw_init_queue(&pxmitpriv->legacy_dz_queue); //_rtw_init_queue(&pxmitpriv->apsd_queue); _rtw_init_queue(&pxmitpriv->free_xmit_queue); /* Please allocate memory with the sz = (struct xmit_frame) * NR_XMITFRAME, and initialize free_xmit_frame below. Please also apply free_txobj to link_up all the xmit_frames... */ pxmitpriv->pallocated_frame_buf = rtw_zvmalloc(NR_XMITFRAME * sizeof(struct xmit_frame) + 4); if (pxmitpriv->pallocated_frame_buf == NULL){ pxmitpriv->pxmit_frame_buf =NULL; RT_TRACE(_module_rtl871x_xmit_c_,_drv_err_,("alloc xmit_frame fail!\n")); res= _FAIL; goto exit; } pxmitpriv->pxmit_frame_buf = (u8 *)N_BYTE_ALIGMENT((SIZE_PTR)(pxmitpriv->pallocated_frame_buf), 4); //pxmitpriv->pxmit_frame_buf = pxmitpriv->pallocated_frame_buf + 4 - // ((SIZE_PTR) (pxmitpriv->pallocated_frame_buf) &3); pxframe = (struct xmit_frame*) pxmitpriv->pxmit_frame_buf; for (i = 0; i < NR_XMITFRAME; i++) { _rtw_init_listhead(&(pxframe->list)); pxframe->padapter = padapter; pxframe->frame_tag = NULL_FRAMETAG; pxframe->pkt = NULL; pxframe->buf_addr = NULL; pxframe->pxmitbuf = NULL; rtw_list_insert_tail(&(pxframe->list), &(pxmitpriv->free_xmit_queue.queue)); pxframe++; } pxmitpriv->free_xmitframe_cnt = NR_XMITFRAME; pxmitpriv->frag_len = MAX_FRAG_THRESHOLD; //init xmit_buf _rtw_init_queue(&pxmitpriv->free_xmitbuf_queue); _rtw_init_queue(&pxmitpriv->pending_xmitbuf_queue); pxmitpriv->pallocated_xmitbuf = rtw_zvmalloc(NR_XMITBUFF * sizeof(struct xmit_buf) + 4); if (pxmitpriv->pallocated_xmitbuf == NULL){ RT_TRACE(_module_rtl871x_xmit_c_,_drv_err_,("alloc xmit_buf fail!\n")); res= _FAIL; goto exit; } pxmitpriv->pxmitbuf = (u8 *)N_BYTE_ALIGMENT((SIZE_PTR)(pxmitpriv->pallocated_xmitbuf), 4); //pxmitpriv->pxmitbuf = pxmitpriv->pallocated_xmitbuf + 4 - // ((SIZE_PTR) (pxmitpriv->pallocated_xmitbuf) &3); pxmitbuf = (struct xmit_buf*)pxmitpriv->pxmitbuf; for (i = 0; i < NR_XMITBUFF; i++) { _rtw_init_listhead(&pxmitbuf->list); pxmitbuf->priv_data = NULL; pxmitbuf->padapter = padapter; pxmitbuf->buf_tag = XMITBUF_DATA; /* Tx buf allocation may fail sometimes, so sleep and retry. */ if((res=rtw_os_xmit_resource_alloc(padapter, pxmitbuf,(MAX_XMITBUF_SZ + XMITBUF_ALIGN_SZ), _TRUE)) == _FAIL) { rtw_msleep_os(10); res = rtw_os_xmit_resource_alloc(padapter, pxmitbuf,(MAX_XMITBUF_SZ + XMITBUF_ALIGN_SZ), _TRUE); if (res == _FAIL) { goto exit; } } #if defined(CONFIG_SDIO_HCI) || defined(CONFIG_GSPI_HCI) pxmitbuf->phead = pxmitbuf->pbuf; pxmitbuf->pend = pxmitbuf->pbuf + MAX_XMITBUF_SZ; pxmitbuf->len = 0; pxmitbuf->pdata = pxmitbuf->ptail = pxmitbuf->phead; #endif pxmitbuf->flags = XMIT_VO_QUEUE; rtw_list_insert_tail(&pxmitbuf->list, &(pxmitpriv->free_xmitbuf_queue.queue)); #ifdef DBG_XMIT_BUF pxmitbuf->no=i; #endif pxmitbuf++; } pxmitpriv->free_xmitbuf_cnt = NR_XMITBUFF; /* init xframe_ext queue, the same count as extbuf */ _rtw_init_queue(&pxmitpriv->free_xframe_ext_queue); pxmitpriv->xframe_ext_alloc_addr = rtw_zvmalloc(NR_XMIT_EXTBUFF * sizeof(struct xmit_frame) + 4); if (pxmitpriv->xframe_ext_alloc_addr == NULL){ pxmitpriv->xframe_ext = NULL; RT_TRACE(_module_rtl871x_xmit_c_,_drv_err_,("alloc xframe_ext fail!\n")); res= _FAIL; goto exit; } pxmitpriv->xframe_ext = (u8 *)N_BYTE_ALIGMENT((SIZE_PTR)(pxmitpriv->xframe_ext_alloc_addr), 4); pxframe = (struct xmit_frame*)pxmitpriv->xframe_ext; for (i = 0; i < NR_XMIT_EXTBUFF; i++) { _rtw_init_listhead(&(pxframe->list)); pxframe->padapter = padapter; pxframe->frame_tag = NULL_FRAMETAG; pxframe->pkt = NULL; pxframe->buf_addr = NULL; pxframe->pxmitbuf = NULL; pxframe->ext_tag = 1; rtw_list_insert_tail(&(pxframe->list), &(pxmitpriv->free_xframe_ext_queue.queue)); pxframe++; } pxmitpriv->free_xframe_ext_cnt = NR_XMIT_EXTBUFF; // Init xmit extension buff _rtw_init_queue(&pxmitpriv->free_xmit_extbuf_queue); pxmitpriv->pallocated_xmit_extbuf = rtw_zvmalloc(NR_XMIT_EXTBUFF * sizeof(struct xmit_buf) + 4); if (pxmitpriv->pallocated_xmit_extbuf == NULL){ RT_TRACE(_module_rtl871x_xmit_c_,_drv_err_,("alloc xmit_extbuf fail!\n")); res= _FAIL; goto exit; } pxmitpriv->pxmit_extbuf = (u8 *)N_BYTE_ALIGMENT((SIZE_PTR)(pxmitpriv->pallocated_xmit_extbuf), 4); pxmitbuf = (struct xmit_buf*)pxmitpriv->pxmit_extbuf; for (i = 0; i < NR_XMIT_EXTBUFF; i++) { _rtw_init_listhead(&pxmitbuf->list); pxmitbuf->priv_data = NULL; pxmitbuf->padapter = padapter; pxmitbuf->buf_tag = XMITBUF_MGNT; if((res=rtw_os_xmit_resource_alloc(padapter, pxmitbuf,MAX_XMIT_EXTBUF_SZ + XMITBUF_ALIGN_SZ, _TRUE)) == _FAIL) { res= _FAIL; goto exit; } #if defined(CONFIG_SDIO_HCI) || defined(CONFIG_GSPI_HCI) pxmitbuf->phead = pxmitbuf->pbuf; pxmitbuf->pend = pxmitbuf->pbuf + MAX_XMIT_EXTBUF_SZ; pxmitbuf->len = 0; pxmitbuf->pdata = pxmitbuf->ptail = pxmitbuf->phead; #endif rtw_list_insert_tail(&pxmitbuf->list, &(pxmitpriv->free_xmit_extbuf_queue.queue)); #ifdef DBG_XMIT_BUF_EXT pxmitbuf->no=i; #endif pxmitbuf++; } pxmitpriv->free_xmit_extbuf_cnt = NR_XMIT_EXTBUFF; for (i = 0; ipcmd_xmitbuf[i]; if (pxmitbuf) { _rtw_init_listhead(&pxmitbuf->list); pxmitbuf->priv_data = NULL; pxmitbuf->padapter = padapter; pxmitbuf->buf_tag = XMITBUF_CMD; if((res=rtw_os_xmit_resource_alloc(padapter, pxmitbuf, MAX_CMDBUF_SZ+XMITBUF_ALIGN_SZ, _TRUE)) == _FAIL) { res= _FAIL; goto exit; } #if defined(CONFIG_SDIO_HCI) || defined(CONFIG_GSPI_HCI) pxmitbuf->phead = pxmitbuf->pbuf; pxmitbuf->pend = pxmitbuf->pbuf + MAX_CMDBUF_SZ; pxmitbuf->len = 0; pxmitbuf->pdata = pxmitbuf->ptail = pxmitbuf->phead; #endif pxmitbuf->alloc_sz = MAX_CMDBUF_SZ+XMITBUF_ALIGN_SZ; } } rtw_alloc_hwxmits(padapter); rtw_init_hwxmits(pxmitpriv->hwxmits, pxmitpriv->hwxmit_entry); for (i = 0; i < 4; i ++) { pxmitpriv->wmm_para_seq[i] = i; } #ifdef CONFIG_USB_HCI pxmitpriv->txirp_cnt=1; _rtw_init_sema(&(pxmitpriv->tx_retevt), 0); //per AC pending irp pxmitpriv->beq_cnt = 0; pxmitpriv->bkq_cnt = 0; pxmitpriv->viq_cnt = 0; pxmitpriv->voq_cnt = 0; #endif #ifdef CONFIG_XMIT_ACK pxmitpriv->ack_tx = _FALSE; _rtw_mutex_init(&pxmitpriv->ack_tx_mutex); rtw_sctx_init(&pxmitpriv->ack_tx_ops, 0); #endif rtw_hal_init_xmit_priv(padapter); exit: _func_exit_; return res; } void rtw_mfree_xmit_priv_lock (struct xmit_priv *pxmitpriv); void rtw_mfree_xmit_priv_lock (struct xmit_priv *pxmitpriv) { _rtw_spinlock_free(&pxmitpriv->lock); _rtw_free_sema(&pxmitpriv->xmit_sema); _rtw_free_sema(&pxmitpriv->terminate_xmitthread_sema); _rtw_spinlock_free(&pxmitpriv->be_pending.lock); _rtw_spinlock_free(&pxmitpriv->bk_pending.lock); _rtw_spinlock_free(&pxmitpriv->vi_pending.lock); _rtw_spinlock_free(&pxmitpriv->vo_pending.lock); _rtw_spinlock_free(&pxmitpriv->bm_pending.lock); //_rtw_spinlock_free(&pxmitpriv->legacy_dz_queue.lock); //_rtw_spinlock_free(&pxmitpriv->apsd_queue.lock); _rtw_spinlock_free(&pxmitpriv->free_xmit_queue.lock); _rtw_spinlock_free(&pxmitpriv->free_xmitbuf_queue.lock); _rtw_spinlock_free(&pxmitpriv->pending_xmitbuf_queue.lock); } void _rtw_free_xmit_priv (struct xmit_priv *pxmitpriv) { int i; _adapter *padapter = pxmitpriv->adapter; struct xmit_frame *pxmitframe = (struct xmit_frame*) pxmitpriv->pxmit_frame_buf; struct xmit_buf *pxmitbuf = (struct xmit_buf *)pxmitpriv->pxmitbuf; _func_enter_; rtw_hal_free_xmit_priv(padapter); rtw_mfree_xmit_priv_lock(pxmitpriv); if(pxmitpriv->pxmit_frame_buf==NULL) goto out; for(i=0; ipallocated_frame_buf) { rtw_vmfree(pxmitpriv->pallocated_frame_buf, NR_XMITFRAME * sizeof(struct xmit_frame) + 4); } if(pxmitpriv->pallocated_xmitbuf) { rtw_vmfree(pxmitpriv->pallocated_xmitbuf, NR_XMITBUFF * sizeof(struct xmit_buf) + 4); } /* free xframe_ext queue, the same count as extbuf */ if ((pxmitframe = (struct xmit_frame*)pxmitpriv->xframe_ext)) { for (i=0; ixframe_ext_alloc_addr) rtw_vmfree(pxmitpriv->xframe_ext_alloc_addr, NR_XMIT_EXTBUFF * sizeof(struct xmit_frame) + 4); _rtw_spinlock_free(&pxmitpriv->free_xframe_ext_queue.lock); // free xmit extension buff _rtw_spinlock_free(&pxmitpriv->free_xmit_extbuf_queue.lock); pxmitbuf = (struct xmit_buf *)pxmitpriv->pxmit_extbuf; for(i=0; ipallocated_xmit_extbuf) { rtw_vmfree(pxmitpriv->pallocated_xmit_extbuf, NR_XMIT_EXTBUFF * sizeof(struct xmit_buf) + 4); } for (i=0; ipcmd_xmitbuf[i]; if(pxmitbuf!=NULL) rtw_os_xmit_resource_free(padapter, pxmitbuf, MAX_CMDBUF_SZ+XMITBUF_ALIGN_SZ , _TRUE); } rtw_free_hwxmits(padapter); #ifdef CONFIG_XMIT_ACK _rtw_mutex_free(&pxmitpriv->ack_tx_mutex); #endif out: _func_exit_; } u8 query_ra_short_GI(struct sta_info *psta) { u8 sgi = _FALSE, sgi_20m = _FALSE, sgi_40m = _FALSE, sgi_80m = _FALSE; #ifdef CONFIG_80211N_HT #ifdef CONFIG_80211AC_VHT if (psta->vhtpriv.vht_option) { sgi_80m= psta->vhtpriv.sgi_80m; } #endif //CONFIG_80211AC_VHT { sgi_20m = psta->htpriv.sgi_20m; sgi_40m = psta->htpriv.sgi_40m; } #endif switch(psta->bw_mode){ case CHANNEL_WIDTH_80: sgi = sgi_80m; break; case CHANNEL_WIDTH_40: sgi = sgi_40m; break; case CHANNEL_WIDTH_20: default: sgi = sgi_20m; break; } return sgi; } static void update_attrib_vcs_info(_adapter *padapter, struct xmit_frame *pxmitframe) { u32 sz; struct pkt_attrib *pattrib = &pxmitframe->attrib; //struct sta_info *psta = pattrib->psta; struct mlme_ext_priv *pmlmeext = &(padapter->mlmeextpriv); struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info); /* if(pattrib->psta) { psta = pattrib->psta; } else { DBG_871X("%s, call rtw_get_stainfo()\n", __func__); psta=rtw_get_stainfo(&padapter->stapriv ,&pattrib->ra[0] ); } if(psta==NULL) { DBG_871X("%s, psta==NUL\n", __func__); return; } if(!(psta->state &_FW_LINKED)) { DBG_871X("%s, psta->state(0x%x) != _FW_LINKED\n", __func__, psta->state); return; } */ if (pattrib->nr_frags != 1) { sz = padapter->xmitpriv.frag_len; } else //no frag { sz = pattrib->last_txcmdsz; } // (1) RTS_Threshold is compared to the MPDU, not MSDU. // (2) If there are more than one frag in this MSDU, only the first frag uses protection frame. // Other fragments are protected by previous fragment. // So we only need to check the length of first fragment. if(pmlmeext->cur_wireless_mode < WIRELESS_11_24N || padapter->registrypriv.wifi_spec) { if(sz > padapter->registrypriv.rts_thresh) { pattrib->vcs_mode = RTS_CTS; } else { if(pattrib->rtsen) pattrib->vcs_mode = RTS_CTS; else if(pattrib->cts2self) pattrib->vcs_mode = CTS_TO_SELF; else pattrib->vcs_mode = NONE_VCS; } } else { while (_TRUE) { #if 0 //Todo //check IOT action if(pHTInfo->IOTAction & HT_IOT_ACT_FORCED_CTS2SELF) { pattrib->vcs_mode = CTS_TO_SELF; pattrib->rts_rate = MGN_24M; break; } else if(pHTInfo->IOTAction & (HT_IOT_ACT_FORCED_RTS|HT_IOT_ACT_PURE_N_MODE)) { pattrib->vcs_mode = RTS_CTS; pattrib->rts_rate = MGN_24M; break; } #endif //IOT action if((pmlmeinfo->assoc_AP_vendor == HT_IOT_PEER_ATHEROS) && (pattrib->ampdu_en==_TRUE) && (padapter->securitypriv.dot11PrivacyAlgrthm == _AES_ )) { pattrib->vcs_mode = CTS_TO_SELF; break; } //check ERP protection if(pattrib->rtsen || pattrib->cts2self) { if(pattrib->rtsen) pattrib->vcs_mode = RTS_CTS; else if(pattrib->cts2self) pattrib->vcs_mode = CTS_TO_SELF; break; } //check HT op mode if(pattrib->ht_en) { u8 HTOpMode = pmlmeinfo->HT_protection; if((pmlmeext->cur_bwmode && (HTOpMode == 2 || HTOpMode == 3)) || (!pmlmeext->cur_bwmode && HTOpMode == 3) ) { pattrib->vcs_mode = RTS_CTS; break; } } //check rts if(sz > padapter->registrypriv.rts_thresh) { pattrib->vcs_mode = RTS_CTS; break; } //to do list: check MIMO power save condition. //check AMPDU aggregation for TXOP if((pattrib->ampdu_en==_TRUE) && (!IS_HARDWARE_TYPE_8812(padapter))) { pattrib->vcs_mode = RTS_CTS; break; } pattrib->vcs_mode = NONE_VCS; break; } } //for debug : force driver control vrtl_carrier_sense. if(padapter->driver_vcs_en==1) { //u8 driver_vcs_en; //Enable=1, Disable=0 driver control vrtl_carrier_sense. //u8 driver_vcs_type;//force 0:disable VCS, 1:RTS-CTS, 2:CTS-to-self when vcs_en=1. pattrib->vcs_mode = padapter->driver_vcs_type; } } static void update_attrib_phy_info(_adapter *padapter, struct pkt_attrib *pattrib, struct sta_info *psta) { struct mlme_ext_priv *mlmeext = &padapter->mlmeextpriv; pattrib->rtsen = psta->rtsen; pattrib->cts2self = psta->cts2self; pattrib->mdata = 0; pattrib->eosp = 0; pattrib->triggered=0; pattrib->ampdu_spacing = 0; //qos_en, ht_en, init rate, ,bw, ch_offset, sgi pattrib->qos_en = psta->qos_option; pattrib->raid = psta->raid; if (mlmeext->cur_bwmode < psta->bw_mode) pattrib->bwmode = mlmeext->cur_bwmode; else pattrib->bwmode = psta->bw_mode; pattrib->sgi = query_ra_short_GI(psta); pattrib->ldpc = psta->ldpc; pattrib->stbc = psta->stbc; #ifdef CONFIG_80211N_HT pattrib->ht_en = psta->htpriv.ht_option; pattrib->ch_offset = psta->htpriv.ch_offset; pattrib->ampdu_en = _FALSE; if(padapter->driver_ampdu_spacing != 0xFF) //driver control AMPDU Density for peer sta's rx pattrib->ampdu_spacing = padapter->driver_ampdu_spacing; else pattrib->ampdu_spacing = psta->htpriv.rx_ampdu_min_spacing; #endif //CONFIG_80211N_HT //if(pattrib->ht_en && psta->htpriv.ampdu_enable) //{ // if(psta->htpriv.agg_enable_bitmap & BIT(pattrib->priority)) // pattrib->ampdu_en = _TRUE; //} #ifdef CONFIG_TDLS if (pattrib->direct_link==_TRUE) { psta = pattrib->ptdls_sta; pattrib->raid = psta->raid; #ifdef CONFIG_80211N_HT pattrib->bwmode = psta->bw_mode; pattrib->ht_en = psta->htpriv.ht_option; pattrib->ch_offset = psta->htpriv.ch_offset; pattrib->sgi= query_ra_short_GI(psta); #endif /* CONFIG_80211N_HT */ } #endif /* CONFIG_TDLS */ pattrib->retry_ctrl = _FALSE; #ifdef CONFIG_AUTO_AP_MODE if(psta->isrc && psta->pid>0) pattrib->pctrl = _TRUE; #endif } static s32 update_attrib_sec_info(_adapter *padapter, struct pkt_attrib *pattrib, struct sta_info *psta) { sint res = _SUCCESS; struct mlme_priv *pmlmepriv = &padapter->mlmepriv; struct security_priv *psecuritypriv = &padapter->securitypriv; sint bmcast = IS_MCAST(pattrib->ra); _rtw_memset(pattrib->dot118021x_UncstKey.skey, 0, 16); _rtw_memset(pattrib->dot11tkiptxmickey.skey, 0, 16); pattrib->mac_id = psta->mac_id; if (psta->ieee8021x_blocked == _TRUE) { RT_TRACE(_module_rtl871x_xmit_c_,_drv_err_,("\n psta->ieee8021x_blocked == _TRUE \n")); pattrib->encrypt = 0; if((pattrib->ether_type != 0x888e) && (check_fwstate(pmlmepriv, WIFI_MP_STATE) == _FALSE)) { RT_TRACE(_module_rtl871x_xmit_c_,_drv_err_,("\npsta->ieee8021x_blocked == _TRUE, pattrib->ether_type(%.4x) != 0x888e\n",pattrib->ether_type)); #ifdef DBG_TX_DROP_FRAME DBG_871X("DBG_TX_DROP_FRAME %s psta->ieee8021x_blocked == _TRUE, pattrib->ether_type(%04x) != 0x888e\n", __FUNCTION__,pattrib->ether_type); #endif res = _FAIL; goto exit; } } else { GET_ENCRY_ALGO(psecuritypriv, psta, pattrib->encrypt, bmcast); #ifdef CONFIG_WAPI_SUPPORT if(pattrib->ether_type == 0x88B4) pattrib->encrypt=_NO_PRIVACY_; #endif switch(psecuritypriv->dot11AuthAlgrthm) { case dot11AuthAlgrthm_Open: case dot11AuthAlgrthm_Shared: case dot11AuthAlgrthm_Auto: pattrib->key_idx = (u8)psecuritypriv->dot11PrivacyKeyIndex; break; case dot11AuthAlgrthm_8021X: if(bmcast) pattrib->key_idx = (u8)psecuritypriv->dot118021XGrpKeyid; else pattrib->key_idx = 0; break; default: pattrib->key_idx = 0; break; } //For WPS 1.0 WEP, driver should not encrypt EAPOL Packet for WPS handshake. if (((pattrib->encrypt ==_WEP40_)||(pattrib->encrypt ==_WEP104_)) && (pattrib->ether_type == 0x888e)) pattrib->encrypt=_NO_PRIVACY_; } #ifdef CONFIG_TDLS if (pattrib->direct_link == _TRUE) { if (pattrib->encrypt > 0) pattrib->encrypt = _AES_; } #endif switch (pattrib->encrypt) { case _WEP40_: case _WEP104_: pattrib->iv_len = 4; pattrib->icv_len = 4; WEP_IV(pattrib->iv, psta->dot11txpn, pattrib->key_idx); break; case _TKIP_: pattrib->iv_len = 8; pattrib->icv_len = 4; if(psecuritypriv->busetkipkey==_FAIL) { #ifdef DBG_TX_DROP_FRAME DBG_871X("DBG_TX_DROP_FRAME %s psecuritypriv->busetkipkey(%d)==_FAIL drop packet\n", __FUNCTION__, psecuritypriv->busetkipkey); #endif res =_FAIL; goto exit; } if(bmcast) TKIP_IV(pattrib->iv, psta->dot11txpn, pattrib->key_idx); else TKIP_IV(pattrib->iv, psta->dot11txpn, 0); _rtw_memcpy(pattrib->dot11tkiptxmickey.skey, psta->dot11tkiptxmickey.skey, 16); break; case _AES_: pattrib->iv_len = 8; pattrib->icv_len = 8; if(bmcast) AES_IV(pattrib->iv, psta->dot11txpn, pattrib->key_idx); else AES_IV(pattrib->iv, psta->dot11txpn, 0); break; #ifdef CONFIG_WAPI_SUPPORT case _SMS4_: pattrib->iv_len = 18; pattrib->icv_len = 16; rtw_wapi_get_iv(padapter,pattrib->ra,pattrib->iv); break; #endif default: pattrib->iv_len = 0; pattrib->icv_len = 0; break; } if(pattrib->encrypt>0) _rtw_memcpy(pattrib->dot118021x_UncstKey.skey, psta->dot118021x_UncstKey.skey, 16); RT_TRACE(_module_rtl871x_xmit_c_, _drv_info_, ("update_attrib: encrypt=%d securitypriv.sw_encrypt=%d\n", pattrib->encrypt, padapter->securitypriv.sw_encrypt)); if (pattrib->encrypt && ((padapter->securitypriv.sw_encrypt == _TRUE) || (psecuritypriv->hw_decrypted == _FALSE))) { pattrib->bswenc = _TRUE; RT_TRACE(_module_rtl871x_xmit_c_,_drv_err_, ("update_attrib: encrypt=%d securitypriv.hw_decrypted=%d bswenc=_TRUE\n", pattrib->encrypt, padapter->securitypriv.sw_encrypt)); } else { pattrib->bswenc = _FALSE; RT_TRACE(_module_rtl871x_xmit_c_,_drv_info_,("update_attrib: bswenc=_FALSE\n")); } #if defined(CONFIG_CONCURRENT_MODE) && !defined(DYNAMIC_CAMID_ALLOC) if((pattrib->encrypt && bmcast) || (pattrib->encrypt ==_WEP40_) || (pattrib->encrypt ==_WEP104_)) { pattrib->bswenc = _TRUE;//force using sw enc. } #endif #ifdef DYNAMIC_CAMID_ALLOC if (pattrib->encrypt && bmcast && _rtw_camctl_chk_flags(padapter, SEC_STATUS_STA_PK_GK_CONFLICT_DIS_BMC_SEARCH)) pattrib->bswenc = _TRUE; #endif #ifdef CONFIG_WAPI_SUPPORT if(pattrib->encrypt == _SMS4_) pattrib->bswenc = _FALSE; #endif exit: return res; } u8 qos_acm(u8 acm_mask, u8 priority) { u8 change_priority = priority; switch (priority) { case 0: case 3: if(acm_mask & BIT(1)) change_priority = 1; break; case 1: case 2: break; case 4: case 5: if(acm_mask & BIT(2)) change_priority = 0; break; case 6: case 7: if(acm_mask & BIT(3)) change_priority = 5; break; default: DBG_871X("qos_acm(): invalid pattrib->priority: %d!!!\n", priority); break; } return change_priority; } static void set_qos(struct pkt_file *ppktfile, struct pkt_attrib *pattrib) { struct ethhdr etherhdr; struct iphdr ip_hdr; s32 UserPriority = 0; _rtw_open_pktfile(ppktfile->pkt, ppktfile); _rtw_pktfile_read(ppktfile, (unsigned char*)ðerhdr, ETH_HLEN); // get UserPriority from IP hdr if (pattrib->ether_type == 0x0800) { _rtw_pktfile_read(ppktfile, (u8*)&ip_hdr, sizeof(ip_hdr)); // UserPriority = (ntohs(ip_hdr.tos) >> 5) & 0x3; UserPriority = ip_hdr.tos >> 5; } /* else if (pattrib->ether_type == 0x888e) { // "When priority processing of data frames is supported, // a STA's SME should send EAPOL-Key frames at the highest priority." UserPriority = 7; } */ pattrib->priority = UserPriority; pattrib->hdrlen = WLAN_HDR_A3_QOS_LEN; pattrib->subtype = WIFI_QOS_DATA_TYPE; } #ifdef CONFIG_TDLS u8 rtw_check_tdls_established(_adapter *padapter, struct pkt_attrib *pattrib) { pattrib->ptdls_sta = NULL; pattrib->direct_link = _FALSE; if (padapter->tdlsinfo.link_established == _TRUE) { pattrib->ptdls_sta = rtw_get_stainfo(&padapter->stapriv, pattrib->dst); #if 1 if((pattrib->ptdls_sta!=NULL)&& (pattrib->ptdls_sta->tdls_sta_state & TDLS_LINKED_STATE)&& (pattrib->ether_type!=0x0806)){ pattrib->direct_link = _TRUE; //DBG_871X("send ptk to "MAC_FMT" using direct link\n", MAC_ARG(pattrib->dst)); } #else if (pattrib->ptdls_sta != NULL && pattrib->ptdls_sta->tdls_sta_state & TDLS_LINKED_STATE) { pattrib->direct_link = _TRUE; #if 0 DBG_871X("send ptk to "MAC_FMT" using direct link\n", MAC_ARG(pattrib->dst)); #endif } /* ARP frame may be helped by AP*/ if (pattrib->ether_type != 0x0806) { pattrib->direct_link = _FALSE; } #endif } return pattrib->direct_link; } s32 update_tdls_attrib(_adapter *padapter, struct pkt_attrib *pattrib) { struct sta_info *psta = NULL; struct sta_priv *pstapriv = &padapter->stapriv; struct security_priv *psecuritypriv = &padapter->securitypriv; struct mlme_priv *pmlmepriv = &padapter->mlmepriv; struct qos_priv *pqospriv= &pmlmepriv->qospriv; s32 res=_SUCCESS; psta = rtw_get_stainfo(pstapriv, pattrib->ra); if (psta == NULL) { res =_FAIL; goto exit; } pattrib->mac_id = psta->mac_id; pattrib->psta = psta; pattrib->ack_policy = 0; // get ether_hdr_len pattrib->pkt_hdrlen = ETH_HLEN; // [TDLS] TODO: setup req/rsp should be AC_BK if (pqospriv->qos_option && psta->qos_option) { pattrib->priority = 4; //tdls management frame should be AC_VI pattrib->hdrlen = WLAN_HDR_A3_QOS_LEN; pattrib->subtype = WIFI_QOS_DATA_TYPE; } else { pattrib->priority = 0; pattrib->hdrlen = WLAN_HDR_A3_LEN; pattrib->subtype = WIFI_DATA_TYPE; } //TODO:_lock if(update_attrib_sec_info(padapter, pattrib, psta) == _FAIL) { res = _FAIL; goto exit; } update_attrib_phy_info(padapter, pattrib, psta); exit: return res; } #endif //CONFIG_TDLS //get non-qos hw_ssn control register,mapping to REG_HW_SEQ0,1,2,3 inline u8 rtw_get_hwseq_no(_adapter *padapter) { u8 hwseq_num = 0; #ifdef CONFIG_CONCURRENT_MODE if(padapter->adapter_type == SECONDARY_ADAPTER) hwseq_num = 1; //else // hwseq_num = 2; #endif //CONFIG_CONCURRENT_MODE return hwseq_num; } static s32 update_attrib(_adapter *padapter, _pkt *pkt, struct pkt_attrib *pattrib) { uint i; struct pkt_file pktfile; struct sta_info *psta = NULL; struct ethhdr etherhdr; sint bmcast; struct sta_priv *pstapriv = &padapter->stapriv; struct security_priv *psecuritypriv = &padapter->securitypriv; struct mlme_priv *pmlmepriv = &padapter->mlmepriv; struct qos_priv *pqospriv= &pmlmepriv->qospriv; struct xmit_priv *pxmitpriv = &padapter->xmitpriv; sint res = _SUCCESS; _func_enter_; DBG_COUNTER(padapter->tx_logs.core_tx_upd_attrib); _rtw_open_pktfile(pkt, &pktfile); i = _rtw_pktfile_read(&pktfile, (u8*)ðerhdr, ETH_HLEN); pattrib->ether_type = ntohs(etherhdr.h_proto); _rtw_memcpy(pattrib->dst, ðerhdr.h_dest, ETH_ALEN); _rtw_memcpy(pattrib->src, ðerhdr.h_source, ETH_ALEN); if ((check_fwstate(pmlmepriv, WIFI_ADHOC_STATE) == _TRUE) || (check_fwstate(pmlmepriv, WIFI_ADHOC_MASTER_STATE) == _TRUE)) { _rtw_memcpy(pattrib->ra, pattrib->dst, ETH_ALEN); _rtw_memcpy(pattrib->ta, adapter_mac_addr(padapter), ETH_ALEN); DBG_COUNTER(padapter->tx_logs.core_tx_upd_attrib_adhoc); } else if (check_fwstate(pmlmepriv, WIFI_STATION_STATE)) { #ifdef CONFIG_TDLS if (rtw_check_tdls_established(padapter, pattrib) == _TRUE) _rtw_memcpy(pattrib->ra, pattrib->dst, ETH_ALEN); /* For TDLS direct link Tx, set ra to be same to dst */ else #endif _rtw_memcpy(pattrib->ra, get_bssid(pmlmepriv), ETH_ALEN); _rtw_memcpy(pattrib->ta, adapter_mac_addr(padapter), ETH_ALEN); DBG_COUNTER(padapter->tx_logs.core_tx_upd_attrib_sta); } else if (check_fwstate(pmlmepriv, WIFI_AP_STATE)) { _rtw_memcpy(pattrib->ra, pattrib->dst, ETH_ALEN); _rtw_memcpy(pattrib->ta, get_bssid(pmlmepriv), ETH_ALEN); DBG_COUNTER(padapter->tx_logs.core_tx_upd_attrib_ap); } else DBG_COUNTER(padapter->tx_logs.core_tx_upd_attrib_unknown); bmcast = IS_MCAST(pattrib->ra); if (bmcast) { psta = rtw_get_bcmc_stainfo(padapter); if (psta == NULL) { /* if we cannot get psta => drop the pkt */ DBG_COUNTER(padapter->tx_logs.core_tx_upd_attrib_err_sta); RT_TRACE(_module_rtl871x_xmit_c_, _drv_alert_, ("\nupdate_attrib => get sta_info fail, ra:" MAC_FMT "\n", MAC_ARG(pattrib->ra))); #ifdef DBG_TX_DROP_FRAME DBG_871X("DBG_TX_DROP_FRAME %s get sta_info fail, ra:" MAC_FMT"\n", __func__, MAC_ARG(pattrib->ra)); #endif res = _FAIL; goto exit; } } else { psta = rtw_get_stainfo(pstapriv, pattrib->ra); if (psta == NULL) { /* if we cannot get psta => drop the pkt */ DBG_COUNTER(padapter->tx_logs.core_tx_upd_attrib_err_ucast_sta); RT_TRACE(_module_rtl871x_xmit_c_, _drv_alert_, ("\nupdate_attrib => get sta_info fail, ra:" MAC_FMT"\n", MAC_ARG(pattrib->ra))); #ifdef DBG_TX_DROP_FRAME DBG_871X("DBG_TX_DROP_FRAME %s get sta_info fail, ra:" MAC_FMT"\n", __func__, MAC_ARG(pattrib->ra)); #endif res = _FAIL; goto exit; } else if (check_fwstate(pmlmepriv, WIFI_AP_STATE) == _TRUE && !(psta->state & _FW_LINKED)) { DBG_COUNTER(padapter->tx_logs.core_tx_upd_attrib_err_ucast_ap_link); res = _FAIL; goto exit; } } if (!(psta->state & _FW_LINKED)) { DBG_COUNTER(padapter->tx_logs.core_tx_upd_attrib_err_link); DBG_871X("%s, psta("MAC_FMT")->state(0x%x) != _FW_LINKED\n", __func__, MAC_ARG(psta->hwaddr), psta->state); res = _FAIL; goto exit; } pattrib->pktlen = pktfile.pkt_len; /* TODO: 802.1Q VLAN header */ /* TODO: IPV6 */ if (ETH_P_IP == pattrib->ether_type) { u8 ip[20]; _rtw_pktfile_read(&pktfile, ip, 20); if (GET_IPV4_IHL(ip) * 4 > 20) _rtw_pktfile_read(&pktfile, NULL, GET_IPV4_IHL(ip) - 20); pattrib->icmp_pkt = 0; pattrib->dhcp_pkt = 0; if (GET_IPV4_PROTOCOL(ip) == 0x01) { /* ICMP */ pattrib->icmp_pkt = 1; DBG_COUNTER(padapter->tx_logs.core_tx_upd_attrib_icmp); } else if (GET_IPV4_PROTOCOL(ip) == 0x11) { /* UDP */ u8 udp[8]; _rtw_pktfile_read(&pktfile, udp, 8); if ((GET_UDP_SRC(udp) == 68 && GET_UDP_DST(udp) == 67) || (GET_UDP_SRC(udp) == 67 && GET_UDP_DST(udp) == 68) ) { /* 67 : UDP BOOTP server, 68 : UDP BOOTP client */ if (pattrib->pktlen > 282) { /* MINIMUM_DHCP_PACKET_SIZE */ pattrib->dhcp_pkt = 1; DBG_COUNTER(padapter->tx_logs.core_tx_upd_attrib_dhcp); if (0) DBG_871X("send DHCP packet\n"); } } } else if (GET_IPV4_PROTOCOL(ip) == 0x06 /* TCP */ && rtw_st_ctl_chk_reg_s_proto(&psta->st_ctl, 0x06) == _TRUE ) { u8 tcp[20]; _rtw_pktfile_read(&pktfile, tcp, 20); if (rtw_st_ctl_chk_reg_rule(&psta->st_ctl, padapter, IPV4_SRC(ip), TCP_SRC(tcp), IPV4_DST(ip), TCP_DST(tcp)) == _TRUE) { if (GET_TCP_SYN(tcp) && GET_TCP_ACK(tcp)) { session_tracker_add_cmd(padapter, psta , IPV4_SRC(ip), TCP_SRC(tcp) , IPV4_SRC(ip), TCP_DST(tcp)); if (DBG_SESSION_TRACKER) DBG_871X(FUNC_ADPT_FMT" local:"IP_FMT":"PORT_FMT", remote:"IP_FMT":"PORT_FMT" SYN-ACK\n" , FUNC_ADPT_ARG(padapter) , IP_ARG(IPV4_SRC(ip)), PORT_ARG(TCP_SRC(tcp)) , IP_ARG(IPV4_DST(ip)), PORT_ARG(TCP_DST(tcp))); } if (GET_TCP_FIN(tcp)) { session_tracker_del_cmd(padapter, psta , IPV4_SRC(ip), TCP_SRC(tcp) , IPV4_SRC(ip), TCP_DST(tcp)); if (DBG_SESSION_TRACKER) DBG_871X(FUNC_ADPT_FMT" local:"IP_FMT":"PORT_FMT", remote:"IP_FMT":"PORT_FMT" FIN\n" , FUNC_ADPT_ARG(padapter) , IP_ARG(IPV4_SRC(ip)), PORT_ARG(TCP_SRC(tcp)) , IP_ARG(IPV4_DST(ip)), PORT_ARG(TCP_DST(tcp))); } } } } else if (0x888e == pattrib->ether_type) { DBG_871X_LEVEL(_drv_always_, "send eapol packet\n"); } if ((pattrib->ether_type == 0x888e) || (pattrib->dhcp_pkt == 1)) rtw_set_scan_deny(padapter, 3000); #ifdef CONFIG_LPS // If EAPOL , ARP , OR DHCP packet, driver must be in active mode. #ifdef CONFIG_WAPI_SUPPORT if ( (pattrib->ether_type == 0x88B4) || (pattrib->ether_type == 0x0806) || (pattrib->ether_type == 0x888e) || (pattrib->dhcp_pkt == 1) ) #else //!CONFIG_WAPI_SUPPORT #if 0 if ( (pattrib->ether_type == 0x0806) || (pattrib->ether_type == 0x888e) || (pattrib->dhcp_pkt == 1) ) #else // only ICMP/DHCP packets is as SPECIAL_PACKET, and leave LPS when tx IMCP/DHCP packets. //if ((pattrib->ether_type == 0x888e) || (pattrib->dhcp_pkt == 1) ) if (pattrib->icmp_pkt==1) { rtw_lps_ctrl_wk_cmd(padapter, LPS_CTRL_LEAVE, 1); } else if(pattrib->dhcp_pkt==1) #endif #endif { DBG_COUNTER(padapter->tx_logs.core_tx_upd_attrib_active); rtw_lps_ctrl_wk_cmd(padapter, LPS_CTRL_SPECIAL_PACKET, 1); } #endif //CONFIG_LPS #ifdef CONFIG_BEAMFORMING update_attrib_txbf_info(padapter, pattrib, psta); #endif //TODO:_lock if(update_attrib_sec_info(padapter, pattrib, psta) == _FAIL) { DBG_COUNTER(padapter->tx_logs.core_tx_upd_attrib_err_sec); res = _FAIL; goto exit; } update_attrib_phy_info(padapter, pattrib, psta); //DBG_8192C("%s ==> mac_id(%d)\n",__FUNCTION__,pattrib->mac_id ); pattrib->psta = psta; //TODO:_unlock pattrib->pctrl = 0; pattrib->ack_policy = 0; // get ether_hdr_len pattrib->pkt_hdrlen = ETH_HLEN;//(pattrib->ether_type == 0x8100) ? (14 + 4 ): 14; //vlan tag pattrib->hdrlen = WLAN_HDR_A3_LEN; pattrib->subtype = WIFI_DATA_TYPE; pattrib->priority = 0; if (check_fwstate(pmlmepriv, WIFI_AP_STATE|WIFI_ADHOC_STATE|WIFI_ADHOC_MASTER_STATE)) { if(pattrib->qos_en) set_qos(&pktfile, pattrib); } else { #ifdef CONFIG_TDLS if (pattrib->direct_link == _TRUE) { if (pattrib->qos_en) set_qos(&pktfile, pattrib); } else #endif { if (pqospriv->qos_option) { set_qos(&pktfile, pattrib); if (pmlmepriv->acm_mask != 0) pattrib->priority = qos_acm(pmlmepriv->acm_mask, pattrib->priority); } } } //pattrib->priority = 5; //force to used VI queue, for testing pattrib->hw_ssn_sel = pxmitpriv->hw_ssn_seq_no; rtw_set_tx_chksum_offload(pkt, pattrib); exit: _func_exit_; return res; } static s32 xmitframe_addmic(_adapter *padapter, struct xmit_frame *pxmitframe){ sint curfragnum,length; u8 *pframe, *payload,mic[8]; struct mic_data micdata; //struct sta_info *stainfo; struct qos_priv *pqospriv= &(padapter->mlmepriv.qospriv); struct pkt_attrib *pattrib = &pxmitframe->attrib; struct security_priv *psecuritypriv=&padapter->securitypriv; struct xmit_priv *pxmitpriv=&padapter->xmitpriv; u8 priority[4]={0x0,0x0,0x0,0x0}; u8 hw_hdr_offset = 0; sint bmcst = IS_MCAST(pattrib->ra); /* if(pattrib->psta) { stainfo = pattrib->psta; } else { DBG_871X("%s, call rtw_get_stainfo()\n", __func__); stainfo=rtw_get_stainfo(&padapter->stapriv ,&pattrib->ra[0]); } if(stainfo==NULL) { DBG_871X("%s, psta==NUL\n", __func__); return _FAIL; } if(!(stainfo->state &_FW_LINKED)) { DBG_871X("%s, psta->state(0x%x) != _FW_LINKED\n", __func__, stainfo->state); return _FAIL; } */ _func_enter_; #ifdef CONFIG_USB_TX_AGGREGATION hw_hdr_offset = TXDESC_SIZE + (pxmitframe->pkt_offset * PACKET_OFFSET_SZ);; #else #ifdef CONFIG_TX_EARLY_MODE hw_hdr_offset = TXDESC_OFFSET+ EARLY_MODE_INFO_SIZE; #else hw_hdr_offset = TXDESC_OFFSET; #endif #endif if(pattrib->encrypt ==_TKIP_)//if(psecuritypriv->dot11PrivacyAlgrthm==_TKIP_PRIVACY_) { //encode mic code //if(stainfo!= NULL) { u8 null_key[16]={0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0}; pframe = pxmitframe->buf_addr + hw_hdr_offset; if(bmcst) { if(_rtw_memcmp(psecuritypriv->dot118021XGrptxmickey[psecuritypriv->dot118021XGrpKeyid].skey, null_key, 16)==_TRUE){ //DbgPrint("\nxmitframe_addmic:stainfo->dot11tkiptxmickey==0\n"); //rtw_msleep_os(10); return _FAIL; } //start to calculate the mic code rtw_secmicsetkey(&micdata, psecuritypriv->dot118021XGrptxmickey[psecuritypriv->dot118021XGrpKeyid].skey); } else { if(_rtw_memcmp(&pattrib->dot11tkiptxmickey.skey[0],null_key, 16)==_TRUE){ //DbgPrint("\nxmitframe_addmic:stainfo->dot11tkiptxmickey==0\n"); //rtw_msleep_os(10); return _FAIL; } //start to calculate the mic code rtw_secmicsetkey(&micdata, &pattrib->dot11tkiptxmickey.skey[0]); } if(pframe[1]&1){ //ToDS==1 rtw_secmicappend(&micdata, &pframe[16], 6); //DA if(pframe[1]&2) //From Ds==1 rtw_secmicappend(&micdata, &pframe[24], 6); else rtw_secmicappend(&micdata, &pframe[10], 6); } else{ //ToDS==0 rtw_secmicappend(&micdata, &pframe[4], 6); //DA if(pframe[1]&2) //From Ds==1 rtw_secmicappend(&micdata, &pframe[16], 6); else rtw_secmicappend(&micdata, &pframe[10], 6); } //if(pqospriv->qos_option==1) if(pattrib->qos_en) priority[0]=(u8)pxmitframe->attrib.priority; rtw_secmicappend(&micdata, &priority[0], 4); payload=pframe; for(curfragnum=0;curfragnumnr_frags;curfragnum++){ payload=(u8 *)RND4((SIZE_PTR)(payload)); RT_TRACE(_module_rtl871x_xmit_c_,_drv_err_,("===curfragnum=%d, pframe= 0x%.2x, 0x%.2x, 0x%.2x, 0x%.2x, 0x%.2x, 0x%.2x, 0x%.2x, 0x%.2x,!!!\n", curfragnum,*payload, *(payload+1),*(payload+2),*(payload+3),*(payload+4),*(payload+5),*(payload+6),*(payload+7))); payload=payload+pattrib->hdrlen+pattrib->iv_len; RT_TRACE(_module_rtl871x_xmit_c_,_drv_err_,("curfragnum=%d pattrib->hdrlen=%d pattrib->iv_len=%d",curfragnum,pattrib->hdrlen,pattrib->iv_len)); if((curfragnum+1)==pattrib->nr_frags){ length=pattrib->last_txcmdsz-pattrib->hdrlen-pattrib->iv_len-( (pattrib->bswenc) ? pattrib->icv_len : 0); rtw_secmicappend(&micdata, payload,length); payload=payload+length; } else{ length=pxmitpriv->frag_len-pattrib->hdrlen-pattrib->iv_len-( (pattrib->bswenc) ? pattrib->icv_len : 0); rtw_secmicappend(&micdata, payload, length); payload=payload+length+pattrib->icv_len; RT_TRACE(_module_rtl871x_xmit_c_,_drv_err_,("curfragnum=%d length=%d pattrib->icv_len=%d",curfragnum,length,pattrib->icv_len)); } } rtw_secgetmic(&micdata,&(mic[0])); RT_TRACE(_module_rtl871x_xmit_c_,_drv_err_,("xmitframe_addmic: before add mic code!!!\n")); RT_TRACE(_module_rtl871x_xmit_c_,_drv_err_,("xmitframe_addmic: pattrib->last_txcmdsz=%d!!!\n",pattrib->last_txcmdsz)); RT_TRACE(_module_rtl871x_xmit_c_,_drv_err_,("xmitframe_addmic: mic[0]=0x%.2x ,mic[1]=0x%.2x ,mic[2]=0x%.2x ,mic[3]=0x%.2x \n\ mic[4]=0x%.2x ,mic[5]=0x%.2x ,mic[6]=0x%.2x ,mic[7]=0x%.2x !!!!\n", mic[0],mic[1],mic[2],mic[3],mic[4],mic[5],mic[6],mic[7])); //add mic code and add the mic code length in last_txcmdsz _rtw_memcpy(payload, &(mic[0]),8); pattrib->last_txcmdsz+=8; RT_TRACE(_module_rtl871x_xmit_c_,_drv_info_,("\n ========last pkt========\n")); payload=payload-pattrib->last_txcmdsz+8; for(curfragnum=0;curfragnumlast_txcmdsz;curfragnum=curfragnum+8) RT_TRACE(_module_rtl871x_xmit_c_,_drv_info_,(" %.2x, %.2x, %.2x, %.2x, %.2x, %.2x, %.2x, %.2x ", *(payload+curfragnum), *(payload+curfragnum+1), *(payload+curfragnum+2),*(payload+curfragnum+3), *(payload+curfragnum+4),*(payload+curfragnum+5),*(payload+curfragnum+6),*(payload+curfragnum+7))); } /* else{ RT_TRACE(_module_rtl871x_xmit_c_,_drv_err_,("xmitframe_addmic: rtw_get_stainfo==NULL!!!\n")); } */ } _func_exit_; return _SUCCESS; } static s32 xmitframe_swencrypt(_adapter *padapter, struct xmit_frame *pxmitframe){ struct pkt_attrib *pattrib = &pxmitframe->attrib; //struct security_priv *psecuritypriv=&padapter->securitypriv; _func_enter_; //if((psecuritypriv->sw_encrypt)||(pattrib->bswenc)) if(pattrib->bswenc) { //DBG_871X("start xmitframe_swencrypt\n"); RT_TRACE(_module_rtl871x_xmit_c_,_drv_alert_,("### xmitframe_swencrypt\n")); switch(pattrib->encrypt){ case _WEP40_: case _WEP104_: rtw_wep_encrypt(padapter, (u8 *)pxmitframe); break; case _TKIP_: rtw_tkip_encrypt(padapter, (u8 *)pxmitframe); break; case _AES_: rtw_aes_encrypt(padapter, (u8 * )pxmitframe); break; #ifdef CONFIG_WAPI_SUPPORT case _SMS4_: rtw_sms4_encrypt(padapter, (u8 * )pxmitframe); #endif default: break; } } else { RT_TRACE(_module_rtl871x_xmit_c_,_drv_notice_,("### xmitframe_hwencrypt\n")); } _func_exit_; return _SUCCESS; } s32 rtw_make_wlanhdr (_adapter *padapter , u8 *hdr, struct pkt_attrib *pattrib) { u16 *qc; struct rtw_ieee80211_hdr *pwlanhdr = (struct rtw_ieee80211_hdr *)hdr; struct mlme_priv *pmlmepriv = &padapter->mlmepriv; struct qos_priv *pqospriv = &pmlmepriv->qospriv; u8 qos_option = _FALSE; sint res = _SUCCESS; u16 *fctrl = &pwlanhdr->frame_ctl; //struct sta_info *psta; //sint bmcst = IS_MCAST(pattrib->ra); _func_enter_; /* psta = rtw_get_stainfo(&padapter->stapriv, pattrib->ra); if(pattrib->psta != psta) { DBG_871X("%s, pattrib->psta(%p) != psta(%p)\n", __func__, pattrib->psta, psta); return; } if(psta==NULL) { DBG_871X("%s, psta==NUL\n", __func__); return _FAIL; } if(!(psta->state &_FW_LINKED)) { DBG_871X("%s, psta->state(0x%x) != _FW_LINKED\n", __func__, psta->state); return _FAIL; } */ _rtw_memset(hdr, 0, WLANHDR_OFFSET); SetFrameSubType(fctrl, pattrib->subtype); if (pattrib->subtype & WIFI_DATA_TYPE) { if ((check_fwstate(pmlmepriv, WIFI_STATION_STATE) == _TRUE)) { #ifdef CONFIG_TDLS if(pattrib->direct_link == _TRUE){ //TDLS data transfer, ToDS=0, FrDs=0 _rtw_memcpy(pwlanhdr->addr1, pattrib->dst, ETH_ALEN); _rtw_memcpy(pwlanhdr->addr2, pattrib->src, ETH_ALEN); _rtw_memcpy(pwlanhdr->addr3, get_bssid(pmlmepriv), ETH_ALEN); if (pattrib->qos_en) qos_option = _TRUE; } else #endif //CONFIG_TDLS { //to_ds = 1, fr_ds = 0; // 1.Data transfer to AP // 2.Arp pkt will relayed by AP SetToDs(fctrl); _rtw_memcpy(pwlanhdr->addr1, get_bssid(pmlmepriv), ETH_ALEN); _rtw_memcpy(pwlanhdr->addr2, pattrib->ta, ETH_ALEN); _rtw_memcpy(pwlanhdr->addr3, pattrib->dst, ETH_ALEN); if (pqospriv->qos_option) qos_option = _TRUE; } } else if ((check_fwstate(pmlmepriv, WIFI_AP_STATE) == _TRUE) ) { //to_ds = 0, fr_ds = 1; SetFrDs(fctrl); _rtw_memcpy(pwlanhdr->addr1, pattrib->dst, ETH_ALEN); _rtw_memcpy(pwlanhdr->addr2, get_bssid(pmlmepriv), ETH_ALEN); _rtw_memcpy(pwlanhdr->addr3, pattrib->src, ETH_ALEN); if(pattrib->qos_en) qos_option = _TRUE; } else if ((check_fwstate(pmlmepriv, WIFI_ADHOC_STATE) == _TRUE) || (check_fwstate(pmlmepriv, WIFI_ADHOC_MASTER_STATE) == _TRUE)) { _rtw_memcpy(pwlanhdr->addr1, pattrib->dst, ETH_ALEN); _rtw_memcpy(pwlanhdr->addr2, pattrib->ta, ETH_ALEN); _rtw_memcpy(pwlanhdr->addr3, get_bssid(pmlmepriv), ETH_ALEN); if(pattrib->qos_en) qos_option = _TRUE; } else { RT_TRACE(_module_rtl871x_xmit_c_,_drv_err_,("fw_state:%x is not allowed to xmit frame\n", get_fwstate(pmlmepriv))); res = _FAIL; goto exit; } if(pattrib->mdata) SetMData(fctrl); if (pattrib->encrypt) SetPrivacy(fctrl); if (qos_option) { qc = (unsigned short *)(hdr + pattrib->hdrlen - 2); if (pattrib->priority) SetPriority(qc, pattrib->priority); SetEOSP(qc, pattrib->eosp); SetAckpolicy(qc, pattrib->ack_policy); } //TODO: fill HT Control Field //Update Seq Num will be handled by f/w { struct sta_info *psta; psta = rtw_get_stainfo(&padapter->stapriv, pattrib->ra); if(pattrib->psta != psta) { DBG_871X("%s, pattrib->psta(%p) != psta(%p)\n", __func__, pattrib->psta, psta); return _FAIL; } if(psta==NULL) { DBG_871X("%s, psta==NUL\n", __func__); return _FAIL; } if(!(psta->state &_FW_LINKED)) { DBG_871X("%s, psta->state(0x%x) != _FW_LINKED\n", __func__, psta->state); return _FAIL; } if(psta) { psta->sta_xmitpriv.txseq_tid[pattrib->priority]++; psta->sta_xmitpriv.txseq_tid[pattrib->priority] &= 0xFFF; pattrib->seqnum = psta->sta_xmitpriv.txseq_tid[pattrib->priority]; SetSeqNum(hdr, pattrib->seqnum); #ifdef CONFIG_80211N_HT //check if enable ampdu if(pattrib->ht_en && psta->htpriv.ampdu_enable) { if(psta->htpriv.agg_enable_bitmap & BIT(pattrib->priority)) pattrib->ampdu_en = _TRUE; } //re-check if enable ampdu by BA_starting_seqctrl if(pattrib->ampdu_en == _TRUE) { u16 tx_seq; tx_seq = psta->BA_starting_seqctrl[pattrib->priority & 0x0f]; //check BA_starting_seqctrl if(SN_LESS(pattrib->seqnum, tx_seq)) { //DBG_871X("tx ampdu seqnum(%d) < tx_seq(%d)\n", pattrib->seqnum, tx_seq); pattrib->ampdu_en = _FALSE;//AGG BK } else if(SN_EQUAL(pattrib->seqnum, tx_seq)) { psta->BA_starting_seqctrl[pattrib->priority & 0x0f] = (tx_seq+1)&0xfff; pattrib->ampdu_en = _TRUE;//AGG EN } else { //DBG_871X("tx ampdu over run\n"); psta->BA_starting_seqctrl[pattrib->priority & 0x0f] = (pattrib->seqnum+1)&0xfff; pattrib->ampdu_en = _TRUE;//AGG EN } } #endif //CONFIG_80211N_HT } } } else { } exit: _func_exit_; return res; } s32 rtw_txframes_pending(_adapter *padapter) { struct xmit_priv *pxmitpriv = &padapter->xmitpriv; return ((_rtw_queue_empty(&pxmitpriv->be_pending) == _FALSE) || (_rtw_queue_empty(&pxmitpriv->bk_pending) == _FALSE) || (_rtw_queue_empty(&pxmitpriv->vi_pending) == _FALSE) || (_rtw_queue_empty(&pxmitpriv->vo_pending) == _FALSE)); } s32 rtw_txframes_sta_ac_pending(_adapter *padapter, struct pkt_attrib *pattrib) { struct sta_info *psta; struct tx_servq *ptxservq; int priority = pattrib->priority; /* if(pattrib->psta) { psta = pattrib->psta; } else { DBG_871X("%s, call rtw_get_stainfo()\n", __func__); psta=rtw_get_stainfo(&padapter->stapriv ,&pattrib->ra[0]); } */ psta = rtw_get_stainfo(&padapter->stapriv, pattrib->ra); if(pattrib->psta != psta) { DBG_871X("%s, pattrib->psta(%p) != psta(%p)\n", __func__, pattrib->psta, psta); return 0; } if(psta==NULL) { DBG_871X("%s, psta==NUL\n", __func__); return 0; } if(!(psta->state &_FW_LINKED)) { DBG_871X("%s, psta->state(0x%x) != _FW_LINKED\n", __func__, psta->state); return 0; } switch(priority) { case 1: case 2: ptxservq = &(psta->sta_xmitpriv.bk_q); break; case 4: case 5: ptxservq = &(psta->sta_xmitpriv.vi_q); break; case 6: case 7: ptxservq = &(psta->sta_xmitpriv.vo_q); break; case 0: case 3: default: ptxservq = &(psta->sta_xmitpriv.be_q); break; } return ptxservq->qcnt; } #ifdef CONFIG_TDLS int rtw_build_tdls_ies(_adapter * padapter, struct xmit_frame * pxmitframe, u8 *pframe, struct tdls_txmgmt *ptxmgmt) { int res=_SUCCESS; switch(ptxmgmt->action_code){ case TDLS_SETUP_REQUEST: rtw_build_tdls_setup_req_ies(padapter, pxmitframe, pframe, ptxmgmt); break; case TDLS_SETUP_RESPONSE: rtw_build_tdls_setup_rsp_ies(padapter, pxmitframe, pframe, ptxmgmt); break; case TDLS_SETUP_CONFIRM: rtw_build_tdls_setup_cfm_ies(padapter, pxmitframe, pframe, ptxmgmt); break; case TDLS_TEARDOWN: rtw_build_tdls_teardown_ies(padapter, pxmitframe, pframe, ptxmgmt); break; case TDLS_DISCOVERY_REQUEST: rtw_build_tdls_dis_req_ies(padapter, pxmitframe, pframe, ptxmgmt); break; case TDLS_PEER_TRAFFIC_INDICATION: rtw_build_tdls_peer_traffic_indication_ies(padapter, pxmitframe, pframe, ptxmgmt); break; #ifdef CONFIG_TDLS_CH_SW case TDLS_CHANNEL_SWITCH_REQUEST: rtw_build_tdls_ch_switch_req_ies(padapter, pxmitframe, pframe, ptxmgmt); break; case TDLS_CHANNEL_SWITCH_RESPONSE: rtw_build_tdls_ch_switch_rsp_ies(padapter, pxmitframe, pframe, ptxmgmt); break; #endif case TDLS_PEER_TRAFFIC_RESPONSE: rtw_build_tdls_peer_traffic_rsp_ies(padapter, pxmitframe, pframe, ptxmgmt); break; #ifdef CONFIG_WFD case TUNNELED_PROBE_REQ: rtw_build_tunneled_probe_req_ies(padapter, pxmitframe, pframe); break; case TUNNELED_PROBE_RSP: rtw_build_tunneled_probe_rsp_ies(padapter, pxmitframe, pframe); break; #endif //CONFIG_WFD default: res=_FAIL; break; } return res; } s32 rtw_make_tdls_wlanhdr (_adapter *padapter , u8 *hdr, struct pkt_attrib *pattrib, struct tdls_txmgmt *ptxmgmt) { u16 *qc; struct rtw_ieee80211_hdr *pwlanhdr = (struct rtw_ieee80211_hdr *)hdr; struct mlme_priv *pmlmepriv = &padapter->mlmepriv; struct qos_priv *pqospriv = &pmlmepriv->qospriv; struct sta_priv *pstapriv = &padapter->stapriv; struct sta_info *psta=NULL, *ptdls_sta=NULL; u8 tdls_seq=0, baddr[ETH_ALEN] = { 0xff, 0xff, 0xff, 0xff, 0xff, 0xff }; sint res = _SUCCESS; u16 *fctrl = &pwlanhdr->frame_ctl; _func_enter_; _rtw_memset(hdr, 0, WLANHDR_OFFSET); SetFrameSubType(fctrl, pattrib->subtype); switch(ptxmgmt->action_code){ case TDLS_SETUP_REQUEST: case TDLS_SETUP_RESPONSE: case TDLS_SETUP_CONFIRM: case TDLS_PEER_TRAFFIC_INDICATION: case TDLS_PEER_PSM_REQUEST: case TUNNELED_PROBE_REQ: case TUNNELED_PROBE_RSP: case TDLS_DISCOVERY_REQUEST: SetToDs(fctrl); _rtw_memcpy(pwlanhdr->addr1, get_bssid(pmlmepriv), ETH_ALEN); _rtw_memcpy(pwlanhdr->addr2, pattrib->src, ETH_ALEN); _rtw_memcpy(pwlanhdr->addr3, pattrib->dst, ETH_ALEN); break; case TDLS_CHANNEL_SWITCH_REQUEST: case TDLS_CHANNEL_SWITCH_RESPONSE: case TDLS_PEER_PSM_RESPONSE: case TDLS_PEER_TRAFFIC_RESPONSE: _rtw_memcpy(pwlanhdr->addr1, pattrib->dst, ETH_ALEN); _rtw_memcpy(pwlanhdr->addr2, pattrib->src, ETH_ALEN); _rtw_memcpy(pwlanhdr->addr3, get_bssid(pmlmepriv), ETH_ALEN); tdls_seq=1; break; case TDLS_TEARDOWN: if(ptxmgmt->status_code == _RSON_TDLS_TEAR_UN_RSN_) { _rtw_memcpy(pwlanhdr->addr1, pattrib->dst, ETH_ALEN); _rtw_memcpy(pwlanhdr->addr2, pattrib->src, ETH_ALEN); _rtw_memcpy(pwlanhdr->addr3, get_bssid(pmlmepriv), ETH_ALEN); tdls_seq=1; } else { SetToDs(fctrl); _rtw_memcpy(pwlanhdr->addr1, get_bssid(pmlmepriv), ETH_ALEN); _rtw_memcpy(pwlanhdr->addr2, pattrib->src, ETH_ALEN); _rtw_memcpy(pwlanhdr->addr3, pattrib->dst, ETH_ALEN); } break; } if (pattrib->encrypt) SetPrivacy(fctrl); if(ptxmgmt->action_code == TDLS_PEER_TRAFFIC_RESPONSE) { SetPwrMgt(fctrl); } if (pqospriv->qos_option) { qc = (unsigned short *)(hdr + pattrib->hdrlen - 2); if (pattrib->priority) SetPriority(qc, pattrib->priority); SetAckpolicy(qc, pattrib->ack_policy); } psta = pattrib->psta; // 1. update seq_num per link by sta_info // 2. rewrite encrypt to _AES_, also rewrite iv_len, icv_len if(tdls_seq==1){ ptdls_sta=rtw_get_stainfo(pstapriv, pattrib->dst); if(ptdls_sta){ ptdls_sta->sta_xmitpriv.txseq_tid[pattrib->priority]++; ptdls_sta->sta_xmitpriv.txseq_tid[pattrib->priority] &= 0xFFF; pattrib->seqnum = ptdls_sta->sta_xmitpriv.txseq_tid[pattrib->priority]; SetSeqNum(hdr, pattrib->seqnum); if (pattrib->encrypt){ pattrib->encrypt= _AES_; pattrib->iv_len=8; pattrib->icv_len=8; pattrib->bswenc = _FALSE; } pattrib->mac_id = ptdls_sta->mac_id; }else{ res=_FAIL; goto exit; } }else if(psta){ psta->sta_xmitpriv.txseq_tid[pattrib->priority]++; psta->sta_xmitpriv.txseq_tid[pattrib->priority] &= 0xFFF; pattrib->seqnum = psta->sta_xmitpriv.txseq_tid[pattrib->priority]; SetSeqNum(hdr, pattrib->seqnum); } exit: _func_exit_; return res; } s32 rtw_xmit_tdls_coalesce(_adapter * padapter, struct xmit_frame * pxmitframe, struct tdls_txmgmt *ptxmgmt) { s32 llc_sz; u8 *pframe, *mem_start; struct sta_info *psta; struct sta_priv *pstapriv = &padapter->stapriv; struct mlme_priv *pmlmepriv = &padapter->mlmepriv; struct pkt_attrib *pattrib = &pxmitframe->attrib; u8 *pbuf_start; s32 bmcst = IS_MCAST(pattrib->ra); s32 res = _SUCCESS; _func_enter_; if (pattrib->psta) { psta = pattrib->psta; } else { if(bmcst) { psta = rtw_get_bcmc_stainfo(padapter); } else { psta = rtw_get_stainfo(&padapter->stapriv, pattrib->ra); } } if (psta==NULL) { res = _FAIL; goto exit; } if (pxmitframe->buf_addr == NULL) { res = _FAIL; goto exit; } pbuf_start = pxmitframe->buf_addr; mem_start = pbuf_start + TXDESC_OFFSET; if (rtw_make_tdls_wlanhdr(padapter, mem_start, pattrib, ptxmgmt) == _FAIL) { res = _FAIL; goto exit; } pframe = mem_start; pframe += pattrib->hdrlen; //adding icv, if necessary... if (pattrib->iv_len) { if (psta != NULL) { switch(pattrib->encrypt) { case _WEP40_: case _WEP104_: WEP_IV(pattrib->iv, psta->dot11txpn, pattrib->key_idx); break; case _TKIP_: if(bmcst) TKIP_IV(pattrib->iv, psta->dot11txpn, pattrib->key_idx); else TKIP_IV(pattrib->iv, psta->dot11txpn, 0); break; case _AES_: if(bmcst) AES_IV(pattrib->iv, psta->dot11txpn, pattrib->key_idx); else AES_IV(pattrib->iv, psta->dot11txpn, 0); break; } } _rtw_memcpy(pframe, pattrib->iv, pattrib->iv_len); pframe += pattrib->iv_len; } llc_sz = rtw_put_snap(pframe, pattrib->ether_type); pframe += llc_sz; //pattrib->pktlen will be counted in rtw_build_tdls_ies pattrib->pktlen = 0; rtw_build_tdls_ies(padapter, pxmitframe, pframe, ptxmgmt); if ((pattrib->icv_len >0 )&& (pattrib->bswenc)) { pframe += pattrib->pktlen; _rtw_memcpy(pframe, pattrib->icv, pattrib->icv_len); pframe += pattrib->icv_len; } pattrib->nr_frags = 1; pattrib->last_txcmdsz = pattrib->hdrlen + pattrib->iv_len + llc_sz + ((pattrib->bswenc) ? pattrib->icv_len : 0) + pattrib->pktlen; if (xmitframe_addmic(padapter, pxmitframe) == _FAIL) { res = _FAIL; goto exit; } xmitframe_swencrypt(padapter, pxmitframe); update_attrib_vcs_info(padapter, pxmitframe); exit: _func_exit_; return res; } #endif //CONFIG_TDLS /* * Calculate wlan 802.11 packet MAX size from pkt_attrib * This function doesn't consider fragment case */ u32 rtw_calculate_wlan_pkt_size_by_attribue(struct pkt_attrib *pattrib) { u32 len = 0; len = pattrib->hdrlen + pattrib->iv_len; // WLAN Header and IV len += SNAP_SIZE + sizeof(u16); // LLC len += pattrib->pktlen; if (pattrib->encrypt == _TKIP_) len += 8; // MIC len += ((pattrib->bswenc) ? pattrib->icv_len : 0); // ICV return len; } /* This sub-routine will perform all the following: 1. remove 802.3 header. 2. create wlan_header, based on the info in pxmitframe 3. append sta's iv/ext-iv 4. append LLC 5. move frag chunk from pframe to pxmitframe->mem 6. apply sw-encrypt, if necessary. */ s32 rtw_xmitframe_coalesce(_adapter *padapter, _pkt *pkt, struct xmit_frame *pxmitframe) { struct pkt_file pktfile; s32 frg_inx, frg_len, mpdu_len, llc_sz, mem_sz; SIZE_PTR addr; u8 *pframe, *mem_start; u8 hw_hdr_offset; //struct sta_info *psta; //struct sta_priv *pstapriv = &padapter->stapriv; //struct mlme_priv *pmlmepriv = &padapter->mlmepriv; struct xmit_priv *pxmitpriv = &padapter->xmitpriv; struct pkt_attrib *pattrib = &pxmitframe->attrib; u8 *pbuf_start; s32 bmcst = IS_MCAST(pattrib->ra); s32 res = _SUCCESS; _func_enter_; /* if (pattrib->psta) { psta = pattrib->psta; } else { DBG_871X("%s, call rtw_get_stainfo()\n", __func__); psta = rtw_get_stainfo(&padapter->stapriv, pattrib->ra); } if(psta==NULL) { DBG_871X("%s, psta==NUL\n", __func__); return _FAIL; } if(!(psta->state &_FW_LINKED)) { DBG_871X("%s, psta->state(0x%x) != _FW_LINKED\n", __func__, psta->state); return _FAIL; } */ if (pxmitframe->buf_addr == NULL){ DBG_8192C("==> %s buf_addr==NULL \n",__FUNCTION__); return _FAIL; } pbuf_start = pxmitframe->buf_addr; #ifdef CONFIG_USB_TX_AGGREGATION hw_hdr_offset = TXDESC_SIZE + (pxmitframe->pkt_offset * PACKET_OFFSET_SZ); #else #ifdef CONFIG_TX_EARLY_MODE //for SDIO && Tx Agg hw_hdr_offset = TXDESC_OFFSET + EARLY_MODE_INFO_SIZE; #else hw_hdr_offset = TXDESC_OFFSET; #endif #endif mem_start = pbuf_start + hw_hdr_offset; if (rtw_make_wlanhdr(padapter, mem_start, pattrib) == _FAIL) { RT_TRACE(_module_rtl871x_xmit_c_, _drv_err_, ("rtw_xmitframe_coalesce: rtw_make_wlanhdr fail; drop pkt\n")); DBG_8192C("rtw_xmitframe_coalesce: rtw_make_wlanhdr fail; drop pkt\n"); res = _FAIL; goto exit; } _rtw_open_pktfile(pkt, &pktfile); _rtw_pktfile_read(&pktfile, NULL, pattrib->pkt_hdrlen); frg_inx = 0; frg_len = pxmitpriv->frag_len - 4;//2346-4 = 2342 while (1) { llc_sz = 0; mpdu_len = frg_len; pframe = mem_start; SetMFrag(mem_start); pframe += pattrib->hdrlen; mpdu_len -= pattrib->hdrlen; //adding icv, if necessary... if (pattrib->iv_len) { /* //if (check_fwstate(pmlmepriv, WIFI_MP_STATE)) // psta = rtw_get_stainfo(pstapriv, get_bssid(pmlmepriv)); //else // psta = rtw_get_stainfo(pstapriv, pattrib->ra); if (psta != NULL) { switch(pattrib->encrypt) { case _WEP40_: case _WEP104_: WEP_IV(pattrib->iv, psta->dot11txpn, pattrib->key_idx); break; case _TKIP_: if(bmcst) TKIP_IV(pattrib->iv, psta->dot11txpn, pattrib->key_idx); else TKIP_IV(pattrib->iv, psta->dot11txpn, 0); break; case _AES_: if(bmcst) AES_IV(pattrib->iv, psta->dot11txpn, pattrib->key_idx); else AES_IV(pattrib->iv, psta->dot11txpn, 0); break; #ifdef CONFIG_WAPI_SUPPORT case _SMS4_: rtw_wapi_get_iv(padapter,pattrib->ra,pattrib->iv); break; #endif } } */ _rtw_memcpy(pframe, pattrib->iv, pattrib->iv_len); RT_TRACE(_module_rtl871x_xmit_c_, _drv_notice_, ("rtw_xmitframe_coalesce: keyid=%d pattrib->iv[3]=%.2x pframe=%.2x %.2x %.2x %.2x\n", padapter->securitypriv.dot11PrivacyKeyIndex, pattrib->iv[3], *pframe, *(pframe+1), *(pframe+2), *(pframe+3))); pframe += pattrib->iv_len; mpdu_len -= pattrib->iv_len; } if (frg_inx == 0) { llc_sz = rtw_put_snap(pframe, pattrib->ether_type); pframe += llc_sz; mpdu_len -= llc_sz; } if ((pattrib->icv_len >0) && (pattrib->bswenc)) { mpdu_len -= pattrib->icv_len; } if (bmcst) { // don't do fragment to broadcat/multicast packets mem_sz = _rtw_pktfile_read(&pktfile, pframe, pattrib->pktlen); } else { mem_sz = _rtw_pktfile_read(&pktfile, pframe, mpdu_len); } pframe += mem_sz; if ((pattrib->icv_len >0 )&& (pattrib->bswenc)) { _rtw_memcpy(pframe, pattrib->icv, pattrib->icv_len); pframe += pattrib->icv_len; } frg_inx++; if (bmcst || (rtw_endofpktfile(&pktfile) == _TRUE)) { pattrib->nr_frags = frg_inx; pattrib->last_txcmdsz = pattrib->hdrlen + pattrib->iv_len + ((pattrib->nr_frags==1)? llc_sz:0) + ((pattrib->bswenc) ? pattrib->icv_len : 0) + mem_sz; ClearMFrag(mem_start); break; } else { RT_TRACE(_module_rtl871x_xmit_c_, _drv_err_, ("%s: There're still something in packet!\n", __FUNCTION__)); } addr = (SIZE_PTR)(pframe); mem_start = (unsigned char *)RND4(addr) + hw_hdr_offset; _rtw_memcpy(mem_start, pbuf_start + hw_hdr_offset, pattrib->hdrlen); } if (xmitframe_addmic(padapter, pxmitframe) == _FAIL) { RT_TRACE(_module_rtl871x_xmit_c_, _drv_err_, ("xmitframe_addmic(padapter, pxmitframe)==_FAIL\n")); DBG_8192C("xmitframe_addmic(padapter, pxmitframe)==_FAIL\n"); res = _FAIL; goto exit; } xmitframe_swencrypt(padapter, pxmitframe); if(bmcst == _FALSE) update_attrib_vcs_info(padapter, pxmitframe); else pattrib->vcs_mode = NONE_VCS; exit: _func_exit_; return res; } #ifdef CONFIG_IEEE80211W //broadcast or multicast management pkt use BIP, unicast management pkt use CCMP encryption s32 rtw_mgmt_xmitframe_coalesce(_adapter *padapter, _pkt *pkt, struct xmit_frame *pxmitframe) { struct pkt_file pktfile; s32 frg_inx, frg_len, mpdu_len, llc_sz, mem_sz; SIZE_PTR addr; u8 *pframe, *mem_start = NULL, *tmp_buf=NULL; u8 hw_hdr_offset, subtype ; struct sta_info *psta = NULL; struct xmit_priv *pxmitpriv = &padapter->xmitpriv; struct pkt_attrib *pattrib = &pxmitframe->attrib; u8 *pbuf_start; s32 bmcst = IS_MCAST(pattrib->ra); s32 res = _FAIL; u8 *BIP_AAD=NULL; u8 *MGMT_body=NULL; struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv; struct mlme_priv *pmlmepriv = &padapter->mlmepriv; struct rtw_ieee80211_hdr *pwlanhdr; u8 MME[_MME_IE_LENGTH_]; _irqL irqL; u32 ori_len; mem_start = pframe = (u8 *)(pxmitframe->buf_addr) + TXDESC_OFFSET; pwlanhdr = (struct rtw_ieee80211_hdr *)pframe; _func_enter_; ori_len = BIP_AAD_SIZE+pattrib->pktlen; tmp_buf = BIP_AAD = rtw_zmalloc(ori_len); subtype = GetFrameSubType(pframe); //bit(7)~bit(2) if(BIP_AAD == NULL) return _FAIL; _enter_critical_bh(&padapter->security_key_mutex, &irqL); //IGTK key is not install, it may not support 802.11w if(padapter->securitypriv.binstallBIPkey != _TRUE) { DBG_871X("no instll BIP key\n"); goto xmitframe_coalesce_success; } //station mode doesn't need TX BIP, just ready the code if(bmcst) { int frame_body_len; u8 mic[16]; _rtw_memset(MME, 0, _MME_IE_LENGTH_); //other types doesn't need the BIP if(GetFrameSubType(pframe) != WIFI_DEAUTH && GetFrameSubType(pframe) != WIFI_DISASSOC) goto xmitframe_coalesce_fail; MGMT_body = pframe + sizeof(struct rtw_ieee80211_hdr_3addr); pframe += pattrib->pktlen; //octent 0 and 1 is key index ,BIP keyid is 4 or 5, LSB only need octent 0 MME[0]=padapter->securitypriv.dot11wBIPKeyid; //copy packet number _rtw_memcpy(&MME[2], &pmlmeext->mgnt_80211w_IPN, 6); //increase the packet number pmlmeext->mgnt_80211w_IPN++; //add MME IE with MIC all zero, MME string doesn't include element id and length pframe = rtw_set_ie(pframe, _MME_IE_ , 16 , MME, &(pattrib->pktlen)); pattrib->last_txcmdsz = pattrib->pktlen; // total frame length - header length frame_body_len = pattrib->pktlen - sizeof(struct rtw_ieee80211_hdr_3addr); //conscruct AAD, copy frame control field _rtw_memcpy(BIP_AAD, &pwlanhdr->frame_ctl, 2); ClearRetry(BIP_AAD); ClearPwrMgt(BIP_AAD); ClearMData(BIP_AAD); //conscruct AAD, copy address 1 to address 3 _rtw_memcpy(BIP_AAD+2, pwlanhdr->addr1, 18); //copy management fram body _rtw_memcpy(BIP_AAD+BIP_AAD_SIZE, MGMT_body, frame_body_len); /*//dump total packet include MME with zero MIC { int i; printk("Total packet: "); for(i=0; i < BIP_AAD_SIZE+frame_body_len; i++) printk(" %02x ", BIP_AAD[i]); printk("\n"); }*/ //calculate mic if(omac1_aes_128(padapter->securitypriv.dot11wBIPKey[padapter->securitypriv.dot11wBIPKeyid].skey , BIP_AAD, BIP_AAD_SIZE+frame_body_len, mic)) goto xmitframe_coalesce_fail; /*//dump calculated mic result { int i; printk("Calculated mic result: "); for(i=0; i<16; i++) printk(" %02x ", mic[i]); printk("\n"); }*/ //copy right BIP mic value, total is 128bits, we use the 0~63 bits _rtw_memcpy(pframe-8, mic, 8); /*/dump all packet after mic ok { int pp; printk("pattrib->pktlen = %d \n", pattrib->pktlen); for(pp=0;pp< pattrib->pktlen; pp++) printk(" %02x ", mem_start[pp]); printk("\n"); }*/ } else //unicast mgmt frame TX { //start to encrypt mgmt frame if(subtype == WIFI_DEAUTH || subtype == WIFI_DISASSOC || subtype == WIFI_REASSOCREQ || subtype == WIFI_ACTION) { if (pattrib->psta) psta = pattrib->psta; else { psta = rtw_get_stainfo(&padapter->stapriv, pattrib->ra); } if(psta==NULL) { DBG_871X("%s, psta==NUL\n", __func__); goto xmitframe_coalesce_fail; } if (pxmitframe->buf_addr == NULL) { DBG_871X("%s, pxmitframe->buf_addr\n", __func__); goto xmitframe_coalesce_fail; } //DBG_871X("%s, action frame category=%d \n", __func__, pframe[WLAN_HDR_A3_LEN]); //according 802.11-2012 standard, these five types are not robust types if(subtype == WIFI_ACTION && (pframe[WLAN_HDR_A3_LEN] == RTW_WLAN_CATEGORY_PUBLIC || pframe[WLAN_HDR_A3_LEN] == RTW_WLAN_CATEGORY_HT || pframe[WLAN_HDR_A3_LEN] == RTW_WLAN_CATEGORY_UNPROTECTED_WNM || pframe[WLAN_HDR_A3_LEN] == RTW_WLAN_CATEGORY_SELF_PROTECTED || pframe[WLAN_HDR_A3_LEN] == RTW_WLAN_CATEGORY_P2P)) goto xmitframe_coalesce_fail; //before encrypt dump the management packet content /*{ int i; printk("Management pkt: "); for(i=0; ipktlen; i++) printk(" %02x ", pframe[i]); printk("=======\n"); }*/ if(pattrib->encrypt>0) _rtw_memcpy(pattrib->dot118021x_UncstKey.skey, psta->dot118021x_UncstKey.skey, 16); /* To use wrong key */ if (pattrib->key_type == IEEE80211W_WRONG_KEY) { DBG_871X("use wrong key\n"); pattrib->dot118021x_UncstKey.skey[0] = 0xff; } //bakeup original management packet _rtw_memcpy(tmp_buf, pframe, pattrib->pktlen); //move to data portion pframe += pattrib->hdrlen; //802.11w unicast management packet must be _AES_ pattrib->iv_len = 8; //it's MIC of AES pattrib->icv_len = 8; switch(pattrib->encrypt) { case _AES_: //set AES IV header AES_IV(pattrib->iv, psta->dot11wtxpn, 0); break; default: goto xmitframe_coalesce_fail; } //insert iv header into management frame _rtw_memcpy(pframe, pattrib->iv, pattrib->iv_len); pframe += pattrib->iv_len; //copy mgmt data portion after CCMP header _rtw_memcpy(pframe, tmp_buf+pattrib->hdrlen, pattrib->pktlen-pattrib->hdrlen); //move pframe to end of mgmt pkt pframe += pattrib->pktlen-pattrib->hdrlen; //add 8 bytes CCMP IV header to length pattrib->pktlen += pattrib->iv_len; /*//dump management packet include AES IV header { int i; printk("Management pkt + IV: "); //for(i=0; ipktlen; i++) //printk(" %02x ", mem_start[i]); printk("@@@@@@@@@@@@@\n"); }*/ if ((pattrib->icv_len >0 )&& (pattrib->bswenc)) { _rtw_memcpy(pframe, pattrib->icv, pattrib->icv_len); pframe += pattrib->icv_len; } //add 8 bytes MIC pattrib->pktlen += pattrib->icv_len; //set final tx command size pattrib->last_txcmdsz = pattrib->pktlen; //set protected bit must be beofre SW encrypt SetPrivacy(mem_start); /*//dump management packet include AES header { int i; printk("prepare to enc Management pkt + IV: "); for(i=0; ipktlen; i++) printk(" %02x ", mem_start[i]); printk("@@@@@@@@@@@@@\n"); }*/ //software encrypt xmitframe_swencrypt(padapter, pxmitframe); } } xmitframe_coalesce_success: _exit_critical_bh(&padapter->security_key_mutex, &irqL); rtw_mfree(BIP_AAD, ori_len); _func_exit_; return _SUCCESS; xmitframe_coalesce_fail: _exit_critical_bh(&padapter->security_key_mutex, &irqL); rtw_mfree(BIP_AAD, ori_len); _func_exit_; return _FAIL; } #endif //CONFIG_IEEE80211W /* Logical Link Control(LLC) SubNetwork Attachment Point(SNAP) header * IEEE LLC/SNAP header contains 8 octets * First 3 octets comprise the LLC portion * SNAP portion, 5 octets, is divided into two fields: * Organizationally Unique Identifier(OUI), 3 octets, * type, defined by that organization, 2 octets. */ s32 rtw_put_snap(u8 *data, u16 h_proto) { struct ieee80211_snap_hdr *snap; u8 *oui; _func_enter_; snap = (struct ieee80211_snap_hdr *)data; snap->dsap = 0xaa; snap->ssap = 0xaa; snap->ctrl = 0x03; if (h_proto == 0x8137 || h_proto == 0x80f3) oui = P802_1H_OUI; else oui = RFC1042_OUI; snap->oui[0] = oui[0]; snap->oui[1] = oui[1]; snap->oui[2] = oui[2]; *(u16 *)(data + SNAP_SIZE) = htons(h_proto); _func_exit_; return SNAP_SIZE + sizeof(u16); } void rtw_update_protection(_adapter *padapter, u8 *ie, uint ie_len) { uint protection; u8 *perp; sint erp_len; struct xmit_priv *pxmitpriv = &padapter->xmitpriv; struct registry_priv *pregistrypriv = &padapter->registrypriv; _func_enter_; switch(pxmitpriv->vcs_setting) { case DISABLE_VCS: pxmitpriv->vcs = NONE_VCS; break; case ENABLE_VCS: break; case AUTO_VCS: default: perp = rtw_get_ie(ie, _ERPINFO_IE_, &erp_len, ie_len); if(perp == NULL) { pxmitpriv->vcs = NONE_VCS; } else { protection = (*(perp + 2)) & BIT(1); if (protection) { if(pregistrypriv->vcs_type == RTS_CTS) pxmitpriv->vcs = RTS_CTS; else pxmitpriv->vcs = CTS_TO_SELF; } else pxmitpriv->vcs = NONE_VCS; } break; } _func_exit_; } void rtw_count_tx_stats(PADAPTER padapter, struct xmit_frame *pxmitframe, int sz) { struct sta_info *psta = NULL; struct stainfo_stats *pstats = NULL; struct xmit_priv *pxmitpriv = &padapter->xmitpriv; struct mlme_priv *pmlmepriv = &padapter->mlmepriv; u8 pkt_num = 1; if ((pxmitframe->frame_tag&0x0f) == DATA_FRAMETAG) { #if defined(CONFIG_USB_TX_AGGREGATION) || defined(CONFIG_SDIO_HCI) || defined(CONFIG_GSPI_HCI) pkt_num = pxmitframe->agg_num; #endif pmlmepriv->LinkDetectInfo.NumTxOkInPeriod += pkt_num; pxmitpriv->tx_pkts += pkt_num; pxmitpriv->tx_bytes += sz; psta = pxmitframe->attrib.psta; if (psta) { pstats = &psta->sta_stats; pstats->tx_pkts += pkt_num; pstats->tx_bytes += sz; #ifdef CONFIG_TDLS if(pxmitframe->attrib.ptdls_sta != NULL) { pstats = &(pxmitframe->attrib.ptdls_sta->sta_stats); pstats->tx_pkts += pkt_num; pstats->tx_bytes += sz; } #endif //CONFIG_TDLS } #ifdef CONFIG_CHECK_LEAVE_LPS //traffic_check_for_leave_lps(padapter, _TRUE); #endif //CONFIG_LPS } } static struct xmit_buf *__rtw_alloc_cmd_xmitbuf(struct xmit_priv *pxmitpriv, enum cmdbuf_type buf_type) { struct xmit_buf *pxmitbuf = NULL; _func_enter_; pxmitbuf = &pxmitpriv->pcmd_xmitbuf[buf_type]; if (pxmitbuf != NULL) { pxmitbuf->priv_data = NULL; #if defined(CONFIG_SDIO_HCI) || defined(CONFIG_GSPI_HCI) pxmitbuf->len = 0; pxmitbuf->pdata = pxmitbuf->ptail = pxmitbuf->phead; pxmitbuf->agg_num = 0; pxmitbuf->pg_num = 0; #endif #ifdef CONFIG_PCI_HCI pxmitbuf->len = 0; pxmitbuf->desc = NULL; #endif if (pxmitbuf->sctx) { DBG_871X("%s pxmitbuf->sctx is not NULL\n", __func__); rtw_sctx_done_err(&pxmitbuf->sctx, RTW_SCTX_DONE_BUF_ALLOC); } } else { DBG_871X("%s fail, no xmitbuf available !!!\n", __func__); } exit: _func_exit_; return pxmitbuf; } struct xmit_frame *__rtw_alloc_cmdxmitframe(struct xmit_priv *pxmitpriv, enum cmdbuf_type buf_type) { struct xmit_frame *pcmdframe; struct xmit_buf *pxmitbuf; if ((pcmdframe = rtw_alloc_xmitframe(pxmitpriv)) == NULL) { DBG_871X("%s, alloc xmitframe fail\n", __FUNCTION__); return NULL; } if ((pxmitbuf = __rtw_alloc_cmd_xmitbuf(pxmitpriv, buf_type)) == NULL) { DBG_871X("%s, alloc xmitbuf fail\n", __FUNCTION__); rtw_free_xmitframe(pxmitpriv, pcmdframe); return NULL; } pcmdframe->frame_tag = MGNT_FRAMETAG; pcmdframe->pxmitbuf = pxmitbuf; pcmdframe->buf_addr = pxmitbuf->pbuf; pxmitbuf->priv_data = pcmdframe; return pcmdframe; } struct xmit_buf *rtw_alloc_xmitbuf_ext(struct xmit_priv *pxmitpriv) { _irqL irqL; struct xmit_buf *pxmitbuf = NULL; _list *plist, *phead; _queue *pfree_queue = &pxmitpriv->free_xmit_extbuf_queue; _func_enter_; _enter_critical(&pfree_queue->lock, &irqL); if(_rtw_queue_empty(pfree_queue) == _TRUE) { pxmitbuf = NULL; } else { phead = get_list_head(pfree_queue); plist = get_next(phead); pxmitbuf = LIST_CONTAINOR(plist, struct xmit_buf, list); rtw_list_delete(&(pxmitbuf->list)); } if (pxmitbuf != NULL) { pxmitpriv->free_xmit_extbuf_cnt--; #ifdef DBG_XMIT_BUF_EXT DBG_871X("DBG_XMIT_BUF_EXT ALLOC no=%d, free_xmit_extbuf_cnt=%d\n",pxmitbuf->no, pxmitpriv->free_xmit_extbuf_cnt); #endif pxmitbuf->priv_data = NULL; #if defined(CONFIG_SDIO_HCI) || defined(CONFIG_GSPI_HCI) pxmitbuf->len = 0; pxmitbuf->pdata = pxmitbuf->ptail = pxmitbuf->phead; pxmitbuf->agg_num = 1; #endif #ifdef CONFIG_PCI_HCI pxmitbuf->len = 0; pxmitbuf->desc = NULL; #endif if (pxmitbuf->sctx) { DBG_871X("%s pxmitbuf->sctx is not NULL\n", __func__); rtw_sctx_done_err(&pxmitbuf->sctx, RTW_SCTX_DONE_BUF_ALLOC); } } _exit_critical(&pfree_queue->lock, &irqL); _func_exit_; return pxmitbuf; } s32 rtw_free_xmitbuf_ext(struct xmit_priv *pxmitpriv, struct xmit_buf *pxmitbuf) { _irqL irqL; _queue *pfree_queue = &pxmitpriv->free_xmit_extbuf_queue; _func_enter_; if(pxmitbuf==NULL) { return _FAIL; } _enter_critical(&pfree_queue->lock, &irqL); rtw_list_delete(&pxmitbuf->list); rtw_list_insert_tail(&(pxmitbuf->list), get_list_head(pfree_queue)); pxmitpriv->free_xmit_extbuf_cnt++; #ifdef DBG_XMIT_BUF_EXT DBG_871X("DBG_XMIT_BUF_EXT FREE no=%d, free_xmit_extbuf_cnt=%d\n",pxmitbuf->no ,pxmitpriv->free_xmit_extbuf_cnt); #endif _exit_critical(&pfree_queue->lock, &irqL); _func_exit_; return _SUCCESS; } struct xmit_buf *rtw_alloc_xmitbuf(struct xmit_priv *pxmitpriv) { _irqL irqL; struct xmit_buf *pxmitbuf = NULL; _list *plist, *phead; _queue *pfree_xmitbuf_queue = &pxmitpriv->free_xmitbuf_queue; _func_enter_; //DBG_871X("+rtw_alloc_xmitbuf\n"); _enter_critical(&pfree_xmitbuf_queue->lock, &irqL); if(_rtw_queue_empty(pfree_xmitbuf_queue) == _TRUE) { pxmitbuf = NULL; } else { phead = get_list_head(pfree_xmitbuf_queue); plist = get_next(phead); pxmitbuf = LIST_CONTAINOR(plist, struct xmit_buf, list); rtw_list_delete(&(pxmitbuf->list)); } if (pxmitbuf != NULL) { pxmitpriv->free_xmitbuf_cnt--; #ifdef DBG_XMIT_BUF DBG_871X("DBG_XMIT_BUF ALLOC no=%d, free_xmitbuf_cnt=%d\n",pxmitbuf->no, pxmitpriv->free_xmitbuf_cnt); #endif //DBG_871X("alloc, free_xmitbuf_cnt=%d\n", pxmitpriv->free_xmitbuf_cnt); pxmitbuf->priv_data = NULL; #if defined(CONFIG_SDIO_HCI) || defined(CONFIG_GSPI_HCI) pxmitbuf->len = 0; pxmitbuf->pdata = pxmitbuf->ptail = pxmitbuf->phead; pxmitbuf->agg_num = 0; pxmitbuf->pg_num = 0; #endif #ifdef CONFIG_PCI_HCI pxmitbuf->len = 0; pxmitbuf->desc = NULL; #endif if (pxmitbuf->sctx) { DBG_871X("%s pxmitbuf->sctx is not NULL\n", __func__); rtw_sctx_done_err(&pxmitbuf->sctx, RTW_SCTX_DONE_BUF_ALLOC); } } #ifdef DBG_XMIT_BUF else { DBG_871X("DBG_XMIT_BUF rtw_alloc_xmitbuf return NULL\n"); } #endif _exit_critical(&pfree_xmitbuf_queue->lock, &irqL); _func_exit_; return pxmitbuf; } s32 rtw_free_xmitbuf(struct xmit_priv *pxmitpriv, struct xmit_buf *pxmitbuf) { _irqL irqL; _queue *pfree_xmitbuf_queue = &pxmitpriv->free_xmitbuf_queue; _func_enter_; //DBG_871X("+rtw_free_xmitbuf\n"); if(pxmitbuf==NULL) { return _FAIL; } if (pxmitbuf->sctx) { DBG_871X("%s pxmitbuf->sctx is not NULL\n", __func__); rtw_sctx_done_err(&pxmitbuf->sctx, RTW_SCTX_DONE_BUF_FREE); } if(pxmitbuf->buf_tag == XMITBUF_CMD) { } else if(pxmitbuf->buf_tag == XMITBUF_MGNT) { rtw_free_xmitbuf_ext(pxmitpriv, pxmitbuf); } else { _enter_critical(&pfree_xmitbuf_queue->lock, &irqL); rtw_list_delete(&pxmitbuf->list); rtw_list_insert_tail(&(pxmitbuf->list), get_list_head(pfree_xmitbuf_queue)); pxmitpriv->free_xmitbuf_cnt++; //DBG_871X("FREE, free_xmitbuf_cnt=%d\n", pxmitpriv->free_xmitbuf_cnt); #ifdef DBG_XMIT_BUF DBG_871X("DBG_XMIT_BUF FREE no=%d, free_xmitbuf_cnt=%d\n",pxmitbuf->no ,pxmitpriv->free_xmitbuf_cnt); #endif _exit_critical(&pfree_xmitbuf_queue->lock, &irqL); } _func_exit_; return _SUCCESS; } void rtw_init_xmitframe(struct xmit_frame *pxframe) { if (pxframe != NULL)//default value setting { pxframe->buf_addr = NULL; pxframe->pxmitbuf = NULL; _rtw_memset(&pxframe->attrib, 0, sizeof(struct pkt_attrib)); //pxframe->attrib.psta = NULL; pxframe->frame_tag = DATA_FRAMETAG; #ifdef CONFIG_USB_HCI pxframe->pkt = NULL; #ifdef USB_PACKET_OFFSET_SZ pxframe->pkt_offset = (PACKET_OFFSET_SZ/8); #else pxframe->pkt_offset = 1;//default use pkt_offset to fill tx desc #endif #ifdef CONFIG_USB_TX_AGGREGATION pxframe->agg_num = 1; #endif #endif //#ifdef CONFIG_USB_HCI #if defined(CONFIG_SDIO_HCI) || defined(CONFIG_GSPI_HCI) pxframe->pg_num = 1; pxframe->agg_num = 1; #endif #ifdef CONFIG_XMIT_ACK pxframe->ack_report = 0; #endif } } /* Calling context: 1. OS_TXENTRY 2. RXENTRY (rx_thread or RX_ISR/RX_CallBack) If we turn on USE_RXTHREAD, then, no need for critical section. Otherwise, we must use _enter/_exit critical to protect free_xmit_queue... Must be very very cautious... */ struct xmit_frame *rtw_alloc_xmitframe(struct xmit_priv *pxmitpriv)//(_queue *pfree_xmit_queue) { /* Please remember to use all the osdep_service api, and lock/unlock or _enter/_exit critical to protect pfree_xmit_queue */ _irqL irqL; struct xmit_frame *pxframe = NULL; _list *plist, *phead; _queue *pfree_xmit_queue = &pxmitpriv->free_xmit_queue; _func_enter_; _enter_critical_bh(&pfree_xmit_queue->lock, &irqL); if (_rtw_queue_empty(pfree_xmit_queue) == _TRUE) { RT_TRACE(_module_rtl871x_xmit_c_,_drv_info_,("rtw_alloc_xmitframe:%d\n", pxmitpriv->free_xmitframe_cnt)); pxframe = NULL; } else { phead = get_list_head(pfree_xmit_queue); plist = get_next(phead); pxframe = LIST_CONTAINOR(plist, struct xmit_frame, list); rtw_list_delete(&(pxframe->list)); pxmitpriv->free_xmitframe_cnt--; RT_TRACE(_module_rtl871x_xmit_c_, _drv_info_, ("rtw_alloc_xmitframe():free_xmitframe_cnt=%d\n", pxmitpriv->free_xmitframe_cnt)); } _exit_critical_bh(&pfree_xmit_queue->lock, &irqL); rtw_init_xmitframe(pxframe); _func_exit_; return pxframe; } struct xmit_frame *rtw_alloc_xmitframe_ext(struct xmit_priv *pxmitpriv) { _irqL irqL; struct xmit_frame *pxframe = NULL; _list *plist, *phead; _queue *queue = &pxmitpriv->free_xframe_ext_queue; _func_enter_; _enter_critical_bh(&queue->lock, &irqL); if (_rtw_queue_empty(queue) == _TRUE) { RT_TRACE(_module_rtl871x_xmit_c_,_drv_info_,("rtw_alloc_xmitframe_ext:%d\n", pxmitpriv->free_xframe_ext_cnt)); pxframe = NULL; } else { phead = get_list_head(queue); plist = get_next(phead); pxframe = LIST_CONTAINOR(plist, struct xmit_frame, list); rtw_list_delete(&(pxframe->list)); pxmitpriv->free_xframe_ext_cnt--; RT_TRACE(_module_rtl871x_xmit_c_, _drv_info_, ("rtw_alloc_xmitframe_ext():free_xmitframe_cnt=%d\n", pxmitpriv->free_xframe_ext_cnt)); } _exit_critical_bh(&queue->lock, &irqL); rtw_init_xmitframe(pxframe); _func_exit_; return pxframe; } struct xmit_frame *rtw_alloc_xmitframe_once(struct xmit_priv *pxmitpriv) { struct xmit_frame *pxframe = NULL; u8 *alloc_addr; alloc_addr = rtw_zmalloc(sizeof(struct xmit_frame) + 4); if (alloc_addr == NULL) goto exit; pxframe = (struct xmit_frame *)N_BYTE_ALIGMENT((SIZE_PTR)(alloc_addr), 4); pxframe->alloc_addr = alloc_addr; pxframe->padapter = pxmitpriv->adapter; pxframe->frame_tag = NULL_FRAMETAG; pxframe->pkt = NULL; pxframe->buf_addr = NULL; pxframe->pxmitbuf = NULL; rtw_init_xmitframe(pxframe); DBG_871X("################## %s ##################\n", __func__); exit: return pxframe; } s32 rtw_free_xmitframe(struct xmit_priv *pxmitpriv, struct xmit_frame *pxmitframe) { _irqL irqL; _queue *queue = NULL; _adapter *padapter = pxmitpriv->adapter; _pkt *pndis_pkt = NULL; _func_enter_; if (pxmitframe == NULL) { //keep quite for now //RT_TRACE(_module_rtl871x_xmit_c_, _drv_err_, ("======rtw_free_xmitframe():pxmitframe==NULL!!!!!!!!!!\n")); goto exit; } if (pxmitframe->pkt){ pndis_pkt = pxmitframe->pkt; pxmitframe->pkt = NULL; } if (pxmitframe->alloc_addr) { DBG_871X("################## %s with alloc_addr ##################\n", __func__); rtw_mfree(pxmitframe->alloc_addr, sizeof(struct xmit_frame) + 4); goto check_pkt_complete; } if (pxmitframe->ext_tag == 0) queue = &pxmitpriv->free_xmit_queue; else if(pxmitframe->ext_tag == 1) queue = &pxmitpriv->free_xframe_ext_queue; else rtw_warn_on(1); _enter_critical_bh(&queue->lock, &irqL); rtw_list_delete(&pxmitframe->list); rtw_list_insert_tail(&pxmitframe->list, get_list_head(queue)); if (pxmitframe->ext_tag == 0) { pxmitpriv->free_xmitframe_cnt++; RT_TRACE(_module_rtl871x_xmit_c_, _drv_debug_, ("rtw_free_xmitframe():free_xmitframe_cnt=%d\n", pxmitpriv->free_xmitframe_cnt)); } else if(pxmitframe->ext_tag == 1) { pxmitpriv->free_xframe_ext_cnt++; RT_TRACE(_module_rtl871x_xmit_c_, _drv_debug_, ("rtw_free_xmitframe():free_xframe_ext_cnt=%d\n", pxmitpriv->free_xframe_ext_cnt)); } else { } _exit_critical_bh(&queue->lock, &irqL); check_pkt_complete: if(pndis_pkt) rtw_os_pkt_complete(padapter, pndis_pkt); exit: _func_exit_; return _SUCCESS; } void rtw_free_xmitframe_queue(struct xmit_priv *pxmitpriv, _queue *pframequeue) { _irqL irqL; _list *plist, *phead; struct xmit_frame *pxmitframe; _func_enter_; _enter_critical_bh(&(pframequeue->lock), &irqL); phead = get_list_head(pframequeue); plist = get_next(phead); while (rtw_end_of_queue_search(phead, plist) == _FALSE) { pxmitframe = LIST_CONTAINOR(plist, struct xmit_frame, list); plist = get_next(plist); rtw_free_xmitframe(pxmitpriv,pxmitframe); } _exit_critical_bh(&(pframequeue->lock), &irqL); _func_exit_; } s32 rtw_xmitframe_enqueue(_adapter *padapter, struct xmit_frame *pxmitframe) { DBG_COUNTER(padapter->tx_logs.core_tx_enqueue); if (rtw_xmit_classifier(padapter, pxmitframe) == _FAIL) { RT_TRACE(_module_rtl871x_xmit_c_, _drv_err_, ("rtw_xmitframe_enqueue: drop xmit pkt for classifier fail\n")); // pxmitframe->pkt = NULL; return _FAIL; } return _SUCCESS; } static struct xmit_frame *dequeue_one_xmitframe(struct xmit_priv *pxmitpriv, struct hw_xmit *phwxmit, struct tx_servq *ptxservq, _queue *pframe_queue) { _list *xmitframe_plist, *xmitframe_phead; struct xmit_frame *pxmitframe=NULL; xmitframe_phead = get_list_head(pframe_queue); xmitframe_plist = get_next(xmitframe_phead); while ((rtw_end_of_queue_search(xmitframe_phead, xmitframe_plist)) == _FALSE) { pxmitframe = LIST_CONTAINOR(xmitframe_plist, struct xmit_frame, list); /* xmitframe_plist = get_next(xmitframe_plist); */ /*#ifdef RTK_DMP_PLATFORM #ifdef CONFIG_USB_TX_AGGREGATION if((ptxservq->qcnt>0) && (ptxservq->qcnt<=2)) { pxmitframe = NULL; tasklet_schedule(&pxmitpriv->xmit_tasklet); break; } #endif #endif*/ rtw_list_delete(&pxmitframe->list); ptxservq->qcnt--; //rtw_list_insert_tail(&pxmitframe->list, &phwxmit->pending); //ptxservq->qcnt--; break; //pxmitframe = NULL; } return pxmitframe; } struct xmit_frame* rtw_dequeue_xframe(struct xmit_priv *pxmitpriv, struct hw_xmit *phwxmit_i, sint entry) { _irqL irqL0; _list *sta_plist, *sta_phead; struct hw_xmit *phwxmit; struct tx_servq *ptxservq = NULL; _queue *pframe_queue = NULL; struct xmit_frame *pxmitframe = NULL; _adapter *padapter = pxmitpriv->adapter; struct registry_priv *pregpriv = &padapter->registrypriv; int i, inx[4]; #ifdef CONFIG_USB_HCI // int j, tmp, acirp_cnt[4]; #endif _func_enter_; inx[0] = 0; inx[1] = 1; inx[2] = 2; inx[3] = 3; if(pregpriv->wifi_spec==1) { int j, tmp, acirp_cnt[4]; #if 0 if(flagswmm_para_seq[j]; #endif } _enter_critical_bh(&pxmitpriv->lock, &irqL0); for(i = 0; i < entry; i++) { phwxmit = phwxmit_i + inx[i]; //_enter_critical_ex(&phwxmit->sta_queue->lock, &irqL0); sta_phead = get_list_head(phwxmit->sta_queue); sta_plist = get_next(sta_phead); while ((rtw_end_of_queue_search(sta_phead, sta_plist)) == _FALSE) { ptxservq= LIST_CONTAINOR(sta_plist, struct tx_servq, tx_pending); pframe_queue = &ptxservq->sta_pending; pxmitframe = dequeue_one_xmitframe(pxmitpriv, phwxmit, ptxservq, pframe_queue); if(pxmitframe) { phwxmit->accnt--; //Remove sta node when there is no pending packets. if(_rtw_queue_empty(pframe_queue)) //must be done after get_next and before break rtw_list_delete(&ptxservq->tx_pending); //_exit_critical_ex(&phwxmit->sta_queue->lock, &irqL0); goto exit; } sta_plist = get_next(sta_plist); } //_exit_critical_ex(&phwxmit->sta_queue->lock, &irqL0); } exit: _exit_critical_bh(&pxmitpriv->lock, &irqL0); _func_exit_; return pxmitframe; } #if 1 struct tx_servq *rtw_get_sta_pending(_adapter *padapter, struct sta_info *psta, sint up, u8 *ac) { struct tx_servq *ptxservq=NULL; _func_enter_; switch (up) { case 1: case 2: ptxservq = &(psta->sta_xmitpriv.bk_q); *(ac) = 3; RT_TRACE(_module_rtl871x_xmit_c_,_drv_info_,("rtw_get_sta_pending : BK \n")); break; case 4: case 5: ptxservq = &(psta->sta_xmitpriv.vi_q); *(ac) = 1; RT_TRACE(_module_rtl871x_xmit_c_,_drv_info_,("rtw_get_sta_pending : VI\n")); break; case 6: case 7: ptxservq = &(psta->sta_xmitpriv.vo_q); *(ac) = 0; RT_TRACE(_module_rtl871x_xmit_c_,_drv_info_,("rtw_get_sta_pending : VO \n")); break; case 0: case 3: default: ptxservq = &(psta->sta_xmitpriv.be_q); *(ac) = 2; RT_TRACE(_module_rtl871x_xmit_c_,_drv_info_,("rtw_get_sta_pending : BE \n")); break; } _func_exit_; return ptxservq; } #else __inline static struct tx_servq *rtw_get_sta_pending (_adapter *padapter, _queue **ppstapending, struct sta_info *psta, sint up) { struct tx_servq *ptxservq; struct hw_xmit *phwxmits = padapter->xmitpriv.hwxmits; _func_enter_; #ifdef CONFIG_RTL8711 if(IS_MCAST(psta->hwaddr)) { ptxservq = &(psta->sta_xmitpriv.be_q); // we will use be_q to queue bc/mc frames in BCMC_stainfo *ppstapending = &padapter->xmitpriv.bm_pending; } else #endif { switch (up) { case 1: case 2: ptxservq = &(psta->sta_xmitpriv.bk_q); *ppstapending = &padapter->xmitpriv.bk_pending; (phwxmits+3)->accnt++; RT_TRACE(_module_rtl871x_xmit_c_,_drv_info_,("rtw_get_sta_pending : BK \n")); break; case 4: case 5: ptxservq = &(psta->sta_xmitpriv.vi_q); *ppstapending = &padapter->xmitpriv.vi_pending; (phwxmits+1)->accnt++; RT_TRACE(_module_rtl871x_xmit_c_,_drv_info_,("rtw_get_sta_pending : VI\n")); break; case 6: case 7: ptxservq = &(psta->sta_xmitpriv.vo_q); *ppstapending = &padapter->xmitpriv.vo_pending; (phwxmits+0)->accnt++; RT_TRACE(_module_rtl871x_xmit_c_,_drv_info_,("rtw_get_sta_pending : VO \n")); break; case 0: case 3: default: ptxservq = &(psta->sta_xmitpriv.be_q); *ppstapending = &padapter->xmitpriv.be_pending; (phwxmits+2)->accnt++; RT_TRACE(_module_rtl871x_xmit_c_,_drv_info_,("rtw_get_sta_pending : BE \n")); break; } } _func_exit_; return ptxservq; } #endif /* * Will enqueue pxmitframe to the proper queue, * and indicate it to xx_pending list..... */ s32 rtw_xmit_classifier(_adapter *padapter, struct xmit_frame *pxmitframe) { //_irqL irqL0; u8 ac_index; struct sta_info *psta; struct tx_servq *ptxservq; struct pkt_attrib *pattrib = &pxmitframe->attrib; struct sta_priv *pstapriv = &padapter->stapriv; struct hw_xmit *phwxmits = padapter->xmitpriv.hwxmits; sint res = _SUCCESS; _func_enter_; DBG_COUNTER(padapter->tx_logs.core_tx_enqueue_class); /* if (pattrib->psta) { psta = pattrib->psta; } else { DBG_871X("%s, call rtw_get_stainfo()\n", __func__); psta = rtw_get_stainfo(pstapriv, pattrib->ra); } */ psta = rtw_get_stainfo(&padapter->stapriv, pattrib->ra); if(pattrib->psta != psta) { DBG_COUNTER(padapter->tx_logs.core_tx_enqueue_class_err_sta); DBG_871X("%s, pattrib->psta(%p) != psta(%p)\n", __func__, pattrib->psta, psta); return _FAIL; } if (psta == NULL) { DBG_COUNTER(padapter->tx_logs.core_tx_enqueue_class_err_nosta); res = _FAIL; DBG_8192C("rtw_xmit_classifier: psta == NULL\n"); RT_TRACE(_module_rtl871x_xmit_c_,_drv_err_,("rtw_xmit_classifier: psta == NULL\n")); goto exit; } if(!(psta->state &_FW_LINKED)) { DBG_COUNTER(padapter->tx_logs.core_tx_enqueue_class_err_fwlink); DBG_871X("%s, psta->state(0x%x) != _FW_LINKED\n", __func__, psta->state); return _FAIL; } ptxservq = rtw_get_sta_pending(padapter, psta, pattrib->priority, (u8 *)(&ac_index)); //_enter_critical(&pstapending->lock, &irqL0); if (rtw_is_list_empty(&ptxservq->tx_pending)) { rtw_list_insert_tail(&ptxservq->tx_pending, get_list_head(phwxmits[ac_index].sta_queue)); } //_enter_critical(&ptxservq->sta_pending.lock, &irqL1); rtw_list_insert_tail(&pxmitframe->list, get_list_head(&ptxservq->sta_pending)); ptxservq->qcnt++; phwxmits[ac_index].accnt++; //_exit_critical(&ptxservq->sta_pending.lock, &irqL1); //_exit_critical(&pstapending->lock, &irqL0); exit: _func_exit_; return res; } void rtw_alloc_hwxmits(_adapter *padapter) { struct hw_xmit *hwxmits; struct xmit_priv *pxmitpriv = &padapter->xmitpriv; pxmitpriv->hwxmit_entry = HWXMIT_ENTRY; pxmitpriv->hwxmits = NULL; pxmitpriv->hwxmits = (struct hw_xmit *)rtw_zmalloc(sizeof (struct hw_xmit) * pxmitpriv->hwxmit_entry); if(pxmitpriv->hwxmits == NULL) { DBG_871X("alloc hwxmits fail!...\n"); return; } hwxmits = pxmitpriv->hwxmits; if(pxmitpriv->hwxmit_entry == 5) { //pxmitpriv->bmc_txqueue.head = 0; //hwxmits[0] .phwtxqueue = &pxmitpriv->bmc_txqueue; hwxmits[0] .sta_queue = &pxmitpriv->bm_pending; //pxmitpriv->vo_txqueue.head = 0; //hwxmits[1] .phwtxqueue = &pxmitpriv->vo_txqueue; hwxmits[1] .sta_queue = &pxmitpriv->vo_pending; //pxmitpriv->vi_txqueue.head = 0; //hwxmits[2] .phwtxqueue = &pxmitpriv->vi_txqueue; hwxmits[2] .sta_queue = &pxmitpriv->vi_pending; //pxmitpriv->bk_txqueue.head = 0; //hwxmits[3] .phwtxqueue = &pxmitpriv->bk_txqueue; hwxmits[3] .sta_queue = &pxmitpriv->bk_pending; //pxmitpriv->be_txqueue.head = 0; //hwxmits[4] .phwtxqueue = &pxmitpriv->be_txqueue; hwxmits[4] .sta_queue = &pxmitpriv->be_pending; } else if(pxmitpriv->hwxmit_entry == 4) { //pxmitpriv->vo_txqueue.head = 0; //hwxmits[0] .phwtxqueue = &pxmitpriv->vo_txqueue; hwxmits[0] .sta_queue = &pxmitpriv->vo_pending; //pxmitpriv->vi_txqueue.head = 0; //hwxmits[1] .phwtxqueue = &pxmitpriv->vi_txqueue; hwxmits[1] .sta_queue = &pxmitpriv->vi_pending; //pxmitpriv->be_txqueue.head = 0; //hwxmits[2] .phwtxqueue = &pxmitpriv->be_txqueue; hwxmits[2] .sta_queue = &pxmitpriv->be_pending; //pxmitpriv->bk_txqueue.head = 0; //hwxmits[3] .phwtxqueue = &pxmitpriv->bk_txqueue; hwxmits[3] .sta_queue = &pxmitpriv->bk_pending; } else { } } void rtw_free_hwxmits(_adapter *padapter) { struct hw_xmit *hwxmits; struct xmit_priv *pxmitpriv = &padapter->xmitpriv; hwxmits = pxmitpriv->hwxmits; if(hwxmits) rtw_mfree((u8 *)hwxmits, (sizeof (struct hw_xmit) * pxmitpriv->hwxmit_entry)); } void rtw_init_hwxmits(struct hw_xmit *phwxmit, sint entry) { sint i; _func_enter_; for(i = 0; i < entry; i++, phwxmit++) { //_rtw_spinlock_init(&phwxmit->xmit_lock); //_rtw_init_listhead(&phwxmit->pending); //phwxmit->txcmdcnt = 0; phwxmit->accnt = 0; } _func_exit_; } #ifdef CONFIG_BR_EXT int rtw_br_client_tx(_adapter *padapter, struct sk_buff **pskb) { struct sk_buff *skb = *pskb; struct xmit_priv *pxmitpriv = &padapter->xmitpriv; _irqL irqL; //if(check_fwstate(pmlmepriv, WIFI_STATION_STATE|WIFI_ADHOC_STATE) == _TRUE) { void dhcp_flag_bcast(_adapter *priv, struct sk_buff *skb); int res, is_vlan_tag=0, i, do_nat25=1; unsigned short vlan_hdr=0; void *br_port = NULL; //mac_clone_handle_frame(priv, skb); #if (LINUX_VERSION_CODE <= KERNEL_VERSION(2, 6, 35)) br_port = padapter->pnetdev->br_port; #else // (LINUX_VERSION_CODE <= KERNEL_VERSION(2, 6, 35)) rcu_read_lock(); br_port = rcu_dereference(padapter->pnetdev->rx_handler_data); rcu_read_unlock(); #endif // (LINUX_VERSION_CODE <= KERNEL_VERSION(2, 6, 35)) _enter_critical_bh(&padapter->br_ext_lock, &irqL); if ( !(skb->data[0] & 1) && br_port && memcmp(skb->data+MACADDRLEN, padapter->br_mac, MACADDRLEN) && *((unsigned short *)(skb->data+MACADDRLEN*2)) != __constant_htons(ETH_P_8021Q) && *((unsigned short *)(skb->data+MACADDRLEN*2)) == __constant_htons(ETH_P_IP) && !memcmp(padapter->scdb_mac, skb->data+MACADDRLEN, MACADDRLEN) && padapter->scdb_entry) { memcpy(skb->data+MACADDRLEN, GET_MY_HWADDR(padapter), MACADDRLEN); padapter->scdb_entry->ageing_timer = jiffies; _exit_critical_bh(&padapter->br_ext_lock, &irqL); } else //if (!priv->pmib->ethBrExtInfo.nat25_disable) { // if (priv->dev->br_port && // !memcmp(skb->data+MACADDRLEN, priv->br_mac, MACADDRLEN)) { #if 1 if (*((unsigned short *)(skb->data+MACADDRLEN*2)) == __constant_htons(ETH_P_8021Q)) { is_vlan_tag = 1; vlan_hdr = *((unsigned short *)(skb->data+MACADDRLEN*2+2)); for (i=0; i<6; i++) *((unsigned short *)(skb->data+MACADDRLEN*2+2-i*2)) = *((unsigned short *)(skb->data+MACADDRLEN*2-2-i*2)); skb_pull(skb, 4); } //if SA == br_mac && skb== IP => copy SIP to br_ip ?? why if (!memcmp(skb->data+MACADDRLEN, padapter->br_mac, MACADDRLEN) && (*((unsigned short *)(skb->data+MACADDRLEN*2)) == __constant_htons(ETH_P_IP))) memcpy(padapter->br_ip, skb->data+WLAN_ETHHDR_LEN+12, 4); if (*((unsigned short *)(skb->data+MACADDRLEN*2)) == __constant_htons(ETH_P_IP)) { if (memcmp(padapter->scdb_mac, skb->data+MACADDRLEN, MACADDRLEN)) { void *scdb_findEntry(_adapter *priv, unsigned char *macAddr, unsigned char *ipAddr); if ((padapter->scdb_entry = (struct nat25_network_db_entry *)scdb_findEntry(padapter, skb->data+MACADDRLEN, skb->data+WLAN_ETHHDR_LEN+12)) != NULL) { memcpy(padapter->scdb_mac, skb->data+MACADDRLEN, MACADDRLEN); memcpy(padapter->scdb_ip, skb->data+WLAN_ETHHDR_LEN+12, 4); padapter->scdb_entry->ageing_timer = jiffies; do_nat25 = 0; } } else { if (padapter->scdb_entry) { padapter->scdb_entry->ageing_timer = jiffies; do_nat25 = 0; } else { memset(padapter->scdb_mac, 0, MACADDRLEN); memset(padapter->scdb_ip, 0, 4); } } } _exit_critical_bh(&padapter->br_ext_lock, &irqL); #endif // 1 if (do_nat25) { int nat25_db_handle(_adapter *priv, struct sk_buff *skb, int method); if (nat25_db_handle(padapter, skb, NAT25_CHECK) == 0) { struct sk_buff *newskb; if (is_vlan_tag) { skb_push(skb, 4); for (i=0; i<6; i++) *((unsigned short *)(skb->data+i*2)) = *((unsigned short *)(skb->data+4+i*2)); *((unsigned short *)(skb->data+MACADDRLEN*2)) = __constant_htons(ETH_P_8021Q); *((unsigned short *)(skb->data+MACADDRLEN*2+2)) = vlan_hdr; } newskb = rtw_skb_copy(skb); if (newskb == NULL) { //priv->ext_stats.tx_drops++; DEBUG_ERR("TX DROP: rtw_skb_copy fail!\n"); //goto stop_proc; return -1; } rtw_skb_free(skb); *pskb = skb = newskb; if (is_vlan_tag) { vlan_hdr = *((unsigned short *)(skb->data+MACADDRLEN*2+2)); for (i=0; i<6; i++) *((unsigned short *)(skb->data+MACADDRLEN*2+2-i*2)) = *((unsigned short *)(skb->data+MACADDRLEN*2-2-i*2)); skb_pull(skb, 4); } } if (skb_is_nonlinear(skb)) DEBUG_ERR("%s(): skb_is_nonlinear!!\n", __FUNCTION__); #if (LINUX_VERSION_CODE < KERNEL_VERSION(2, 6, 18)) res = skb_linearize(skb, GFP_ATOMIC); #else // (LINUX_VERSION_CODE < KERNEL_VERSION(2, 6, 18)) res = skb_linearize(skb); #endif // (LINUX_VERSION_CODE < KERNEL_VERSION(2, 6, 18)) if (res < 0) { DEBUG_ERR("TX DROP: skb_linearize fail!\n"); //goto free_and_stop; return -1; } res = nat25_db_handle(padapter, skb, NAT25_INSERT); if (res < 0) { if (res == -2) { //priv->ext_stats.tx_drops++; DEBUG_ERR("TX DROP: nat25_db_handle fail!\n"); //goto free_and_stop; return -1; } // we just print warning message and let it go //DEBUG_WARN("%s()-%d: nat25_db_handle INSERT Warning!\n", __FUNCTION__, __LINE__); //return -1; // return -1 will cause system crash on 2011/08/30! return 0; } } memcpy(skb->data+MACADDRLEN, GET_MY_HWADDR(padapter), MACADDRLEN); dhcp_flag_bcast(padapter, skb); if (is_vlan_tag) { skb_push(skb, 4); for (i=0; i<6; i++) *((unsigned short *)(skb->data+i*2)) = *((unsigned short *)(skb->data+4+i*2)); *((unsigned short *)(skb->data+MACADDRLEN*2)) = __constant_htons(ETH_P_8021Q); *((unsigned short *)(skb->data+MACADDRLEN*2+2)) = vlan_hdr; } } #if 0 else{ if (*((unsigned short *)(skb->data+MACADDRLEN*2)) == __constant_htons(ETH_P_8021Q)) { is_vlan_tag = 1; } if(is_vlan_tag){ if(ICMPV6_MCAST_MAC(skb->data) && ICMPV6_PROTO1A_VALN(skb->data)){ memcpy(skb->data+MACADDRLEN, GET_MY_HWADDR(padapter), MACADDRLEN); } }else { if(ICMPV6_MCAST_MAC(skb->data) && ICMPV6_PROTO1A(skb->data)){ memcpy(skb->data+MACADDRLEN, GET_MY_HWADDR(padapter), MACADDRLEN); } } } #endif // 0 // check if SA is equal to our MAC if (memcmp(skb->data+MACADDRLEN, GET_MY_HWADDR(padapter), MACADDRLEN)) { //priv->ext_stats.tx_drops++; DEBUG_ERR("TX DROP: untransformed frame SA:%02X%02X%02X%02X%02X%02X!\n", skb->data[6],skb->data[7],skb->data[8],skb->data[9],skb->data[10],skb->data[11]); //goto free_and_stop; return -1; } } return 0; } #endif // CONFIG_BR_EXT u32 rtw_get_ff_hwaddr(struct xmit_frame *pxmitframe) { u32 addr; struct pkt_attrib *pattrib = &pxmitframe->attrib; switch(pattrib->qsel) { case 0: case 3: addr = BE_QUEUE_INX; break; case 1: case 2: addr = BK_QUEUE_INX; break; case 4: case 5: addr = VI_QUEUE_INX; break; case 6: case 7: addr = VO_QUEUE_INX; break; case 0x10: addr = BCN_QUEUE_INX; break; case 0x11://BC/MC in PS (HIQ) addr = HIGH_QUEUE_INX; break; case 0x12: default: addr = MGT_QUEUE_INX; break; } return addr; } static void do_queue_select(_adapter *padapter, struct pkt_attrib *pattrib) { u8 qsel; qsel = pattrib->priority; RT_TRACE(_module_rtl871x_xmit_c_,_drv_info_,("### do_queue_select priority=%d ,qsel = %d\n",pattrib->priority ,qsel)); #ifdef CONFIG_CONCURRENT_MODE // if (check_fwstate(&padapter->mlmepriv, WIFI_AP_STATE) == _TRUE) // qsel = 7;// #endif pattrib->qsel = qsel; } /* * The main transmit(tx) entry * * Return * 1 enqueue * 0 success, hardware will handle this xmit frame(packet) * <0 fail */ s32 rtw_monitor_xmit_entry(struct sk_buff *skb, struct net_device *ndev) { int ret = 0; int rtap_len; int qos_len = 0; int dot11_hdr_len = 24; int snap_len = 6; unsigned char *pdata; u16 frame_ctl; unsigned char src_mac_addr[6]; unsigned char dst_mac_addr[6]; struct rtw_ieee80211_hdr *dot11_hdr; struct ieee80211_radiotap_header *rtap_hdr; _adapter *padapter = (_adapter *)rtw_netdev_priv(ndev); if (skb) rtw_mstat_update(MSTAT_TYPE_SKB, MSTAT_ALLOC_SUCCESS, skb->truesize); if (unlikely(skb->len < sizeof(struct ieee80211_radiotap_header))) goto fail; rtap_hdr = (struct ieee80211_radiotap_header *)skb->data; if (unlikely(rtap_hdr->it_version)) goto fail; rtap_len = ieee80211_get_radiotap_len(skb->data); if (unlikely(skb->len < rtap_len)) goto fail; if (rtap_len != 12) { DBG_8192C("radiotap len (should be 14): %d\n", rtap_len); goto fail; } /* Skip the ratio tap header */ skb_pull(skb, rtap_len); dot11_hdr = (struct rtw_ieee80211_hdr *)skb->data; frame_ctl = le16_to_cpu(dot11_hdr->frame_ctl); /* Check if the QoS bit is set */ if ((frame_ctl & RTW_IEEE80211_FCTL_FTYPE) == RTW_IEEE80211_FTYPE_DATA) { struct xmit_frame *pmgntframe; struct pkt_attrib *pattrib; unsigned char *pframe; struct rtw_ieee80211_hdr *pwlanhdr; struct xmit_priv *pxmitpriv = &(padapter->xmitpriv); struct mlme_ext_priv *pmlmeext = &(padapter->mlmeextpriv); u8 *buf = skb->data; u32 len = skb->len; u8 category, action; int type = -1; pmgntframe = alloc_mgtxmitframe(pxmitpriv); if (pmgntframe == NULL) { rtw_udelay_os(500); goto fail; } pattrib = &pmgntframe->attrib; update_monitor_frame_attrib(padapter, pattrib); pattrib->retry_ctrl = _FALSE; _rtw_memset(pmgntframe->buf_addr, 0, WLANHDR_OFFSET + TXDESC_OFFSET); pframe = (u8 *)(pmgntframe->buf_addr) + TXDESC_OFFSET; _rtw_memcpy(pframe, (void *)buf, len); pattrib->pktlen = len; pwlanhdr = (struct rtw_ieee80211_hdr *)pframe; if (is_broadcast_mac_addr(pwlanhdr->addr3) || is_broadcast_mac_addr(pwlanhdr->addr1)) pattrib->rate = MGN_24M; pmlmeext->mgnt_seq = GetSequence(pwlanhdr); pattrib->seqnum = pmlmeext->mgnt_seq; pmlmeext->mgnt_seq++; pattrib->last_txcmdsz = pattrib->pktlen; dump_mgntframe(padapter, pmgntframe); } else { struct xmit_frame *pmgntframe; struct pkt_attrib *pattrib; unsigned char *pframe; struct rtw_ieee80211_hdr *pwlanhdr; struct xmit_priv *pxmitpriv = &(padapter->xmitpriv); struct mlme_ext_priv *pmlmeext = &(padapter->mlmeextpriv); u8 *buf = skb->data; u32 len = skb->len; u8 category, action; int type = -1; pmgntframe = alloc_mgtxmitframe(pxmitpriv); if (pmgntframe == NULL) goto fail; pattrib = &pmgntframe->attrib; update_mgntframe_attrib(padapter, pattrib); pattrib->retry_ctrl = _FALSE; _rtw_memset(pmgntframe->buf_addr, 0, WLANHDR_OFFSET + TXDESC_OFFSET); pframe = (u8 *)(pmgntframe->buf_addr) + TXDESC_OFFSET; _rtw_memcpy(pframe, (void *)buf, len); pattrib->pktlen = len; pwlanhdr = (struct rtw_ieee80211_hdr *)pframe; pmlmeext->mgnt_seq = GetSequence(pwlanhdr); pattrib->seqnum = pmlmeext->mgnt_seq; pmlmeext->mgnt_seq++; pattrib->last_txcmdsz = pattrib->pktlen; dump_mgntframe(padapter, pmgntframe); } fail: rtw_skb_free(skb); return 0; } /* * The main transmit(tx) entry * * Return * 1 enqueue * 0 success, hardware will handle this xmit frame(packet) * <0 fail */ s32 rtw_xmit(_adapter *padapter, _pkt **ppkt) { static u32 start = 0; static u32 drop_cnt = 0; #ifdef CONFIG_AP_MODE _irqL irqL0; #endif struct xmit_priv *pxmitpriv = &padapter->xmitpriv; struct xmit_frame *pxmitframe = NULL; #ifdef CONFIG_BR_EXT struct mlme_priv *pmlmepriv = &padapter->mlmepriv; void *br_port = NULL; #endif // CONFIG_BR_EXT s32 res; DBG_COUNTER(padapter->tx_logs.core_tx); if (start == 0) start = rtw_get_current_time(); pxmitframe = rtw_alloc_xmitframe(pxmitpriv); if (rtw_get_passing_time_ms(start) > 2000) { if (drop_cnt) DBG_871X("DBG_TX_DROP_FRAME %s no more pxmitframe, drop_cnt:%u\n", __FUNCTION__, drop_cnt); start = rtw_get_current_time(); drop_cnt = 0; } if (pxmitframe == NULL) { drop_cnt ++; RT_TRACE(_module_xmit_osdep_c_, _drv_err_, ("rtw_xmit: no more pxmitframe\n")); DBG_COUNTER(padapter->tx_logs.core_tx_err_pxmitframe); return -1; } #ifdef CONFIG_BR_EXT #if (LINUX_VERSION_CODE <= KERNEL_VERSION(2, 6, 35)) br_port = padapter->pnetdev->br_port; #else // (LINUX_VERSION_CODE <= KERNEL_VERSION(2, 6, 35)) rcu_read_lock(); br_port = rcu_dereference(padapter->pnetdev->rx_handler_data); rcu_read_unlock(); #endif // (LINUX_VERSION_CODE <= KERNEL_VERSION(2, 6, 35)) if( br_port && check_fwstate(pmlmepriv, WIFI_STATION_STATE|WIFI_ADHOC_STATE) == _TRUE) { res = rtw_br_client_tx(padapter, ppkt); if (res == -1) { rtw_free_xmitframe(pxmitpriv, pxmitframe); DBG_COUNTER(padapter->tx_logs.core_tx_err_brtx); return -1; } } #endif // CONFIG_BR_EXT res = update_attrib(padapter, *ppkt, &pxmitframe->attrib); #ifdef CONFIG_WAPI_SUPPORT if(pxmitframe->attrib.ether_type != 0x88B4) { if(rtw_wapi_drop_for_key_absent(padapter, pxmitframe->attrib.ra)) { WAPI_TRACE(WAPI_RX,"drop for key absend when tx \n"); res = _FAIL; } } #endif if (res == _FAIL) { RT_TRACE(_module_xmit_osdep_c_, _drv_err_, ("rtw_xmit: update attrib fail\n")); #ifdef DBG_TX_DROP_FRAME DBG_871X("DBG_TX_DROP_FRAME %s update attrib fail\n", __FUNCTION__); #endif rtw_free_xmitframe(pxmitpriv, pxmitframe); return -1; } pxmitframe->pkt = *ppkt; rtw_led_control(padapter, LED_CTL_TX); do_queue_select(padapter, &pxmitframe->attrib); #ifdef CONFIG_AP_MODE _enter_critical_bh(&pxmitpriv->lock, &irqL0); if(xmitframe_enqueue_for_sleeping_sta(padapter, pxmitframe) == _TRUE) { _exit_critical_bh(&pxmitpriv->lock, &irqL0); DBG_COUNTER(padapter->tx_logs.core_tx_ap_enqueue); return 1; } _exit_critical_bh(&pxmitpriv->lock, &irqL0); #endif //pre_xmitframe if (rtw_hal_xmit(padapter, pxmitframe) == _FALSE) return 1; return 0; } #ifdef CONFIG_TDLS sint xmitframe_enqueue_for_tdls_sleeping_sta(_adapter *padapter, struct xmit_frame *pxmitframe) { sint ret=_FALSE; _irqL irqL; struct sta_info *ptdls_sta=NULL; struct sta_priv *pstapriv = &padapter->stapriv; struct pkt_attrib *pattrib = &pxmitframe->attrib; struct mlme_ext_priv *pmlmeext = &(padapter->mlmeextpriv); int i; ptdls_sta=rtw_get_stainfo(pstapriv, pattrib->dst); if(ptdls_sta==NULL){ return ret; }else if(ptdls_sta->tdls_sta_state&TDLS_LINKED_STATE){ if(pattrib->triggered==1) { ret = _TRUE; return ret; } _enter_critical_bh(&ptdls_sta->sleep_q.lock, &irqL); if(ptdls_sta->state&WIFI_SLEEP_STATE) { rtw_list_delete(&pxmitframe->list); //_enter_critical_bh(&psta->sleep_q.lock, &irqL); rtw_list_insert_tail(&pxmitframe->list, get_list_head(&ptdls_sta->sleep_q)); ptdls_sta->sleepq_len++; ptdls_sta->sleepq_ac_len++; //indicate 4-AC queue bit in TDLS peer traffic indication switch(pattrib->priority) { case 1: case 2: ptdls_sta->uapsd_bk |= BIT(1); break; case 4: case 5: ptdls_sta->uapsd_vi |= BIT(1); break; case 6: case 7: ptdls_sta->uapsd_vo |= BIT(1); break; case 0: case 3: default: ptdls_sta->uapsd_be |= BIT(1); break; } /* Transmit TDLS PTI via AP */ if(ptdls_sta->sleepq_len==1) rtw_tdls_cmd(padapter, ptdls_sta->hwaddr, TDLS_ISSUE_PTI); ret = _TRUE; } _exit_critical_bh(&ptdls_sta->sleep_q.lock, &irqL); } return ret; } #endif //CONFIG_TDLS #define RTW_HIQ_FILTER_ALLOW_ALL 0 #define RTW_HIQ_FILTER_ALLOW_SPECIAL 1 #define RTW_HIQ_FILTER_DENY_ALL 2 inline bool xmitframe_hiq_filter(struct xmit_frame *xmitframe) { bool allow = _FALSE; _adapter *adapter = xmitframe->padapter; struct registry_priv *registry = &adapter->registrypriv; if (rtw_get_intf_type(adapter) != RTW_PCIE) { if (adapter->registrypriv.wifi_spec == 1) { allow = _TRUE; } else if (registry->hiq_filter == RTW_HIQ_FILTER_ALLOW_SPECIAL) { struct pkt_attrib *attrib = &xmitframe->attrib; if (attrib->ether_type == 0x0806 || attrib->ether_type == 0x888e #ifdef CONFIG_WAPI_SUPPORT || attrib->ether_type == 0x88B4 #endif || attrib->dhcp_pkt ) { if (0) DBG_871X(FUNC_ADPT_FMT" ether_type:0x%04x%s\n", FUNC_ADPT_ARG(xmitframe->padapter) , attrib->ether_type, attrib->dhcp_pkt?" DHCP":""); allow = _TRUE; } } else if (registry->hiq_filter == RTW_HIQ_FILTER_ALLOW_ALL) { allow = _TRUE; } else if (registry->hiq_filter == RTW_HIQ_FILTER_DENY_ALL) { } else { rtw_warn_on(1); } } return allow; } #if defined(CONFIG_AP_MODE) || defined(CONFIG_TDLS) sint xmitframe_enqueue_for_sleeping_sta(_adapter *padapter, struct xmit_frame *pxmitframe) { _irqL irqL; sint ret=_FALSE; struct sta_info *psta=NULL; struct sta_priv *pstapriv = &padapter->stapriv; struct pkt_attrib *pattrib = &pxmitframe->attrib; struct mlme_priv *pmlmepriv = &padapter->mlmepriv; sint bmcst = IS_MCAST(pattrib->ra); bool update_tim = _FALSE; #ifdef CONFIG_TDLS if( padapter->tdlsinfo.link_established == _TRUE ) { ret = xmitframe_enqueue_for_tdls_sleeping_sta(padapter, pxmitframe); } #endif //CONFIG_TDLS if (check_fwstate(pmlmepriv, WIFI_AP_STATE) == _FALSE) { DBG_COUNTER(padapter->tx_logs.core_tx_ap_enqueue_warn_fwstate); return ret; } /* if(pattrib->psta) { psta = pattrib->psta; } else { DBG_871X("%s, call rtw_get_stainfo()\n", __func__); psta=rtw_get_stainfo(pstapriv, pattrib->ra); } */ psta = rtw_get_stainfo(&padapter->stapriv, pattrib->ra); if(pattrib->psta != psta) { DBG_COUNTER(padapter->tx_logs.core_tx_ap_enqueue_warn_sta); DBG_871X("%s, pattrib->psta(%p) != psta(%p)\n", __func__, pattrib->psta, psta); return _FALSE; } if(psta==NULL) { DBG_COUNTER(padapter->tx_logs.core_tx_ap_enqueue_warn_nosta); DBG_871X("%s, psta==NUL\n", __func__); return _FALSE; } if(!(psta->state &_FW_LINKED)) { DBG_COUNTER(padapter->tx_logs.core_tx_ap_enqueue_warn_link); DBG_871X("%s, psta->state(0x%x) != _FW_LINKED\n", __func__, psta->state); return _FALSE; } if(pattrib->triggered==1) { DBG_COUNTER(padapter->tx_logs.core_tx_ap_enqueue_warn_trigger); //DBG_871X("directly xmit pspoll_triggered packet\n"); //pattrib->triggered=0; if (bmcst && xmitframe_hiq_filter(pxmitframe) == _TRUE) pattrib->qsel = QSLT_HIGH;//HIQ return ret; } if(bmcst) { _enter_critical_bh(&psta->sleep_q.lock, &irqL); if(pstapriv->sta_dz_bitmap)//if anyone sta is in ps mode { //pattrib->qsel = QSLT_HIGH;//HIQ rtw_list_delete(&pxmitframe->list); /*_enter_critical_bh(&psta->sleep_q.lock, &irqL);*/ rtw_list_insert_tail(&pxmitframe->list, get_list_head(&psta->sleep_q)); psta->sleepq_len++; if (!(pstapriv->tim_bitmap & BIT(0))) update_tim = _TRUE; pstapriv->tim_bitmap |= BIT(0);// pstapriv->sta_dz_bitmap |= BIT(0); //DBG_871X("enqueue, sq_len=%d, tim=%x\n", psta->sleepq_len, pstapriv->tim_bitmap); if (update_tim == _TRUE) { if (is_broadcast_mac_addr(pattrib->ra)) _update_beacon(padapter, _TIM_IE_, NULL, _TRUE, "buffer BC"); else _update_beacon(padapter, _TIM_IE_, NULL, _TRUE, "buffer MC"); } else { chk_bmc_sleepq_cmd(padapter); } /*_exit_critical_bh(&psta->sleep_q.lock, &irqL);*/ ret = _TRUE; DBG_COUNTER(padapter->tx_logs.core_tx_ap_enqueue_mcast); } _exit_critical_bh(&psta->sleep_q.lock, &irqL); return ret; } _enter_critical_bh(&psta->sleep_q.lock, &irqL); if(psta->state&WIFI_SLEEP_STATE) { u8 wmmps_ac=0; if(pstapriv->sta_dz_bitmap&BIT(psta->aid)) { rtw_list_delete(&pxmitframe->list); //_enter_critical_bh(&psta->sleep_q.lock, &irqL); rtw_list_insert_tail(&pxmitframe->list, get_list_head(&psta->sleep_q)); psta->sleepq_len++; switch(pattrib->priority) { case 1: case 2: wmmps_ac = psta->uapsd_bk&BIT(0); break; case 4: case 5: wmmps_ac = psta->uapsd_vi&BIT(0); break; case 6: case 7: wmmps_ac = psta->uapsd_vo&BIT(0); break; case 0: case 3: default: wmmps_ac = psta->uapsd_be&BIT(0); break; } if(wmmps_ac) psta->sleepq_ac_len++; if(((psta->has_legacy_ac) && (!wmmps_ac)) ||((!psta->has_legacy_ac)&&(wmmps_ac))) { if (!(pstapriv->tim_bitmap & BIT(psta->aid))) update_tim = _TRUE; pstapriv->tim_bitmap |= BIT(psta->aid); //DBG_871X("enqueue, sq_len=%d, tim=%x\n", psta->sleepq_len, pstapriv->tim_bitmap); if(update_tim == _TRUE) { //DBG_871X("sleepq_len==1, update BCNTIM\n"); //upate BCN for TIM IE _update_beacon(padapter, _TIM_IE_, NULL, _TRUE, "buffer UC"); } } //_exit_critical_bh(&psta->sleep_q.lock, &irqL); //if(psta->sleepq_len > (NR_XMITFRAME>>3)) //{ // wakeup_sta_to_xmit(padapter, psta); //} ret = _TRUE; DBG_COUNTER(padapter->tx_logs.core_tx_ap_enqueue_ucast); } } _exit_critical_bh(&psta->sleep_q.lock, &irqL); return ret; } static void dequeue_xmitframes_to_sleeping_queue(_adapter *padapter, struct sta_info *psta, _queue *pframequeue) { sint ret; _list *plist, *phead; u8 ac_index; struct tx_servq *ptxservq; struct pkt_attrib *pattrib; struct xmit_frame *pxmitframe; struct hw_xmit *phwxmits = padapter->xmitpriv.hwxmits; phead = get_list_head(pframequeue); plist = get_next(phead); while (rtw_end_of_queue_search(phead, plist) == _FALSE) { pxmitframe = LIST_CONTAINOR(plist, struct xmit_frame, list); plist = get_next(plist); pattrib = &pxmitframe->attrib; pattrib->triggered = 0; ret = xmitframe_enqueue_for_sleeping_sta(padapter, pxmitframe); if(_TRUE == ret) { ptxservq = rtw_get_sta_pending(padapter, psta, pattrib->priority, (u8 *)(&ac_index)); ptxservq->qcnt--; phwxmits[ac_index].accnt--; } else { //DBG_871X("xmitframe_enqueue_for_sleeping_sta return _FALSE\n"); } } } void stop_sta_xmit(_adapter *padapter, struct sta_info *psta) { _irqL irqL0; struct sta_info *psta_bmc; struct sta_xmit_priv *pstaxmitpriv; struct sta_priv *pstapriv = &padapter->stapriv; struct xmit_priv *pxmitpriv = &padapter->xmitpriv; pstaxmitpriv = &psta->sta_xmitpriv; //for BC/MC Frames psta_bmc = rtw_get_bcmc_stainfo(padapter); _enter_critical_bh(&pxmitpriv->lock, &irqL0); psta->state |= WIFI_SLEEP_STATE; #ifdef CONFIG_TDLS if( !(psta->tdls_sta_state & TDLS_LINKED_STATE) ) #endif //CONFIG_TDLS pstapriv->sta_dz_bitmap |= BIT(psta->aid); dequeue_xmitframes_to_sleeping_queue(padapter, psta, &pstaxmitpriv->vo_q.sta_pending); rtw_list_delete(&(pstaxmitpriv->vo_q.tx_pending)); dequeue_xmitframes_to_sleeping_queue(padapter, psta, &pstaxmitpriv->vi_q.sta_pending); rtw_list_delete(&(pstaxmitpriv->vi_q.tx_pending)); dequeue_xmitframes_to_sleeping_queue(padapter, psta, &pstaxmitpriv->be_q.sta_pending); rtw_list_delete(&(pstaxmitpriv->be_q.tx_pending)); dequeue_xmitframes_to_sleeping_queue(padapter, psta, &pstaxmitpriv->bk_q.sta_pending); rtw_list_delete(&(pstaxmitpriv->bk_q.tx_pending)); #ifdef CONFIG_TDLS if (!(psta->tdls_sta_state & TDLS_LINKED_STATE) && (psta_bmc != NULL)) { #endif //CONFIG_TDLS //for BC/MC Frames pstaxmitpriv = &psta_bmc->sta_xmitpriv; dequeue_xmitframes_to_sleeping_queue(padapter, psta_bmc, &pstaxmitpriv->be_q.sta_pending); rtw_list_delete(&(pstaxmitpriv->be_q.tx_pending)); #ifdef CONFIG_TDLS } #endif //CONFIG_TDLS _exit_critical_bh(&pxmitpriv->lock, &irqL0); } void wakeup_sta_to_xmit(_adapter *padapter, struct sta_info *psta) { _irqL irqL; u8 update_mask=0, wmmps_ac=0; struct sta_info *psta_bmc; _list *xmitframe_plist, *xmitframe_phead; struct xmit_frame *pxmitframe=NULL; struct sta_priv *pstapriv = &padapter->stapriv; struct xmit_priv *pxmitpriv = &padapter->xmitpriv; psta_bmc = rtw_get_bcmc_stainfo(padapter); //_enter_critical_bh(&psta->sleep_q.lock, &irqL); _enter_critical_bh(&pxmitpriv->lock, &irqL); xmitframe_phead = get_list_head(&psta->sleep_q); xmitframe_plist = get_next(xmitframe_phead); while ((rtw_end_of_queue_search(xmitframe_phead, xmitframe_plist)) == _FALSE) { pxmitframe = LIST_CONTAINOR(xmitframe_plist, struct xmit_frame, list); xmitframe_plist = get_next(xmitframe_plist); rtw_list_delete(&pxmitframe->list); switch(pxmitframe->attrib.priority) { case 1: case 2: wmmps_ac = psta->uapsd_bk&BIT(1); break; case 4: case 5: wmmps_ac = psta->uapsd_vi&BIT(1); break; case 6: case 7: wmmps_ac = psta->uapsd_vo&BIT(1); break; case 0: case 3: default: wmmps_ac = psta->uapsd_be&BIT(1); break; } psta->sleepq_len--; if(psta->sleepq_len>0) pxmitframe->attrib.mdata = 1; else pxmitframe->attrib.mdata = 0; if(wmmps_ac) { psta->sleepq_ac_len--; if(psta->sleepq_ac_len>0) { pxmitframe->attrib.mdata = 1; pxmitframe->attrib.eosp = 0; } else { pxmitframe->attrib.mdata = 0; pxmitframe->attrib.eosp = 1; } } pxmitframe->attrib.triggered = 1; /* _exit_critical_bh(&psta->sleep_q.lock, &irqL); if(rtw_hal_xmit(padapter, pxmitframe) == _TRUE) { rtw_os_xmit_complete(padapter, pxmitframe); } _enter_critical_bh(&psta->sleep_q.lock, &irqL); */ rtw_hal_xmitframe_enqueue(padapter, pxmitframe); } if(psta->sleepq_len==0) { #ifdef CONFIG_TDLS if( psta->tdls_sta_state & TDLS_LINKED_STATE ) { if(psta->state&WIFI_SLEEP_STATE) psta->state ^= WIFI_SLEEP_STATE; _exit_critical_bh(&pxmitpriv->lock, &irqL); return; } #endif //CONFIG_TDLS if (pstapriv->tim_bitmap & BIT(psta->aid)) { //DBG_871X("wakeup to xmit, qlen==0, update_BCNTIM, tim=%x\n", pstapriv->tim_bitmap); //upate BCN for TIM IE //update_BCNTIM(padapter); update_mask = BIT(0); } pstapriv->tim_bitmap &= ~BIT(psta->aid); if(psta->state&WIFI_SLEEP_STATE) psta->state ^= WIFI_SLEEP_STATE; if(psta->state & WIFI_STA_ALIVE_CHK_STATE) { DBG_871X("%s alive check\n", __func__); psta->expire_to = pstapriv->expire_to; psta->state ^= WIFI_STA_ALIVE_CHK_STATE; } pstapriv->sta_dz_bitmap &= ~BIT(psta->aid); } //for BC/MC Frames if(!psta_bmc) goto _exit; if((pstapriv->sta_dz_bitmap&0xfffe) == 0x0)//no any sta in ps mode { xmitframe_phead = get_list_head(&psta_bmc->sleep_q); xmitframe_plist = get_next(xmitframe_phead); while ((rtw_end_of_queue_search(xmitframe_phead, xmitframe_plist)) == _FALSE) { pxmitframe = LIST_CONTAINOR(xmitframe_plist, struct xmit_frame, list); xmitframe_plist = get_next(xmitframe_plist); rtw_list_delete(&pxmitframe->list); psta_bmc->sleepq_len--; if(psta_bmc->sleepq_len>0) pxmitframe->attrib.mdata = 1; else pxmitframe->attrib.mdata = 0; pxmitframe->attrib.triggered = 1; /* _exit_critical_bh(&psta_bmc->sleep_q.lock, &irqL); if(rtw_hal_xmit(padapter, pxmitframe) == _TRUE) { rtw_os_xmit_complete(padapter, pxmitframe); } _enter_critical_bh(&psta_bmc->sleep_q.lock, &irqL); */ rtw_hal_xmitframe_enqueue(padapter, pxmitframe); } if(psta_bmc->sleepq_len==0) { if (pstapriv->tim_bitmap & BIT(0)) { //DBG_871X("wakeup to xmit, qlen==0, update_BCNTIM, tim=%x\n", pstapriv->tim_bitmap); //upate BCN for TIM IE //update_BCNTIM(padapter); update_mask |= BIT(1); } pstapriv->tim_bitmap &= ~BIT(0); pstapriv->sta_dz_bitmap &= ~BIT(0); } } _exit: //_exit_critical_bh(&psta_bmc->sleep_q.lock, &irqL); _exit_critical_bh(&pxmitpriv->lock, &irqL); if(update_mask) { //update_BCNTIM(padapter); if ((update_mask & (BIT(0)|BIT(1))) == (BIT(0)|BIT(1))) _update_beacon(padapter, _TIM_IE_, NULL, _TRUE, "clear UC&BMC"); else if ((update_mask & BIT(1)) == BIT(1)) _update_beacon(padapter, _TIM_IE_, NULL, _TRUE, "clear BMC"); else _update_beacon(padapter, _TIM_IE_, NULL, _TRUE, "clear UC"); } } void xmit_delivery_enabled_frames(_adapter *padapter, struct sta_info *psta) { _irqL irqL; u8 wmmps_ac=0; _list *xmitframe_plist, *xmitframe_phead; struct xmit_frame *pxmitframe=NULL; struct sta_priv *pstapriv = &padapter->stapriv; struct xmit_priv *pxmitpriv = &padapter->xmitpriv; //_enter_critical_bh(&psta->sleep_q.lock, &irqL); _enter_critical_bh(&pxmitpriv->lock, &irqL); xmitframe_phead = get_list_head(&psta->sleep_q); xmitframe_plist = get_next(xmitframe_phead); while ((rtw_end_of_queue_search(xmitframe_phead, xmitframe_plist)) == _FALSE) { pxmitframe = LIST_CONTAINOR(xmitframe_plist, struct xmit_frame, list); xmitframe_plist = get_next(xmitframe_plist); switch(pxmitframe->attrib.priority) { case 1: case 2: wmmps_ac = psta->uapsd_bk&BIT(1); break; case 4: case 5: wmmps_ac = psta->uapsd_vi&BIT(1); break; case 6: case 7: wmmps_ac = psta->uapsd_vo&BIT(1); break; case 0: case 3: default: wmmps_ac = psta->uapsd_be&BIT(1); break; } if(!wmmps_ac) continue; rtw_list_delete(&pxmitframe->list); psta->sleepq_len--; psta->sleepq_ac_len--; if(psta->sleepq_ac_len>0) { pxmitframe->attrib.mdata = 1; pxmitframe->attrib.eosp = 0; } else { pxmitframe->attrib.mdata = 0; pxmitframe->attrib.eosp = 1; } pxmitframe->attrib.triggered = 1; rtw_hal_xmitframe_enqueue(padapter, pxmitframe); if((psta->sleepq_ac_len==0) && (!psta->has_legacy_ac) && (wmmps_ac)) { #ifdef CONFIG_TDLS if(psta->tdls_sta_state & TDLS_LINKED_STATE ) { //_exit_critical_bh(&psta->sleep_q.lock, &irqL); goto exit; } #endif //CONFIG_TDLS pstapriv->tim_bitmap &= ~BIT(psta->aid); //DBG_871X("wakeup to xmit, qlen==0, update_BCNTIM, tim=%x\n", pstapriv->tim_bitmap); //upate BCN for TIM IE //update_BCNTIM(padapter); update_beacon(padapter, _TIM_IE_, NULL, _TRUE); //update_mask = BIT(0); } } exit: //_exit_critical_bh(&psta->sleep_q.lock, &irqL); _exit_critical_bh(&pxmitpriv->lock, &irqL); return; } #endif /* defined(CONFIG_AP_MODE) || defined(CONFIG_TDLS) */ #ifdef CONFIG_XMIT_THREAD_MODE void enqueue_pending_xmitbuf( struct xmit_priv *pxmitpriv, struct xmit_buf *pxmitbuf) { _irqL irql; _queue *pqueue; _adapter *pri_adapter = pxmitpriv->adapter; pqueue = &pxmitpriv->pending_xmitbuf_queue; _enter_critical_bh(&pqueue->lock, &irql); rtw_list_delete(&pxmitbuf->list); rtw_list_insert_tail(&pxmitbuf->list, get_list_head(pqueue)); _exit_critical_bh(&pqueue->lock, &irql); #if defined(CONFIG_SDIO_HCI) && defined(CONFIG_CONCURRENT_MODE) if (pri_adapter->adapter_type > PRIMARY_ADAPTER) pri_adapter = pri_adapter->pbuddy_adapter; #endif //SDIO_HCI + CONCURRENT _rtw_up_sema(&(pri_adapter->xmitpriv.xmit_sema)); } void enqueue_pending_xmitbuf_to_head( struct xmit_priv *pxmitpriv, struct xmit_buf *pxmitbuf) { _irqL irql; _queue *pqueue; _adapter *pri_adapter = pxmitpriv->adapter; pqueue = &pxmitpriv->pending_xmitbuf_queue; _enter_critical_bh(&pqueue->lock, &irql); rtw_list_delete(&pxmitbuf->list); rtw_list_insert_head(&pxmitbuf->list, get_list_head(pqueue)); _exit_critical_bh(&pqueue->lock, &irql); } struct xmit_buf* dequeue_pending_xmitbuf( struct xmit_priv *pxmitpriv) { _irqL irql; struct xmit_buf *pxmitbuf; _queue *pqueue; pxmitbuf = NULL; pqueue = &pxmitpriv->pending_xmitbuf_queue; _enter_critical_bh(&pqueue->lock, &irql); if (_rtw_queue_empty(pqueue) == _FALSE) { _list *plist, *phead; phead = get_list_head(pqueue); plist = get_next(phead); pxmitbuf = LIST_CONTAINOR(plist, struct xmit_buf, list); rtw_list_delete(&pxmitbuf->list); } _exit_critical_bh(&pqueue->lock, &irql); return pxmitbuf; } struct xmit_buf* dequeue_pending_xmitbuf_under_survey( struct xmit_priv *pxmitpriv) { _irqL irql; struct xmit_buf *pxmitbuf; #ifdef CONFIG_USB_HCI struct xmit_frame *pxmitframe; #endif _queue *pqueue; pxmitbuf = NULL; pqueue = &pxmitpriv->pending_xmitbuf_queue; _enter_critical_bh(&pqueue->lock, &irql); if (_rtw_queue_empty(pqueue) == _FALSE) { _list *plist, *phead; u8 type; phead = get_list_head(pqueue); plist = phead; do { plist = get_next(plist); if (plist == phead) break; pxmitbuf = LIST_CONTAINOR(plist, struct xmit_buf, list); #ifdef CONFIG_USB_HCI pxmitframe = (struct xmit_frame*)pxmitbuf->priv_data; if(pxmitframe) { type = GetFrameSubType(pxmitbuf->pbuf + TXDESC_SIZE + pxmitframe->pkt_offset * PACKET_OFFSET_SZ); } else { DBG_871X("%s, !!!ERROR!!! For USB, TODO ITEM \n", __FUNCTION__); } #else type = GetFrameSubType(pxmitbuf->pbuf + TXDESC_OFFSET); #endif if ((type == WIFI_PROBEREQ) || (type == WIFI_DATA_NULL) || (type == WIFI_QOS_DATA_NULL)) { rtw_list_delete(&pxmitbuf->list); break; } pxmitbuf = NULL; } while (1); } _exit_critical_bh(&pqueue->lock, &irql); return pxmitbuf; } sint check_pending_xmitbuf( struct xmit_priv *pxmitpriv) { _irqL irql; _queue *pqueue; sint ret = _FALSE; pqueue = &pxmitpriv->pending_xmitbuf_queue; _enter_critical_bh(&pqueue->lock, &irql); if(_rtw_queue_empty(pqueue) == _FALSE) ret = _TRUE; _exit_critical_bh(&pqueue->lock, &irql); return ret; } thread_return rtw_xmit_thread(thread_context context) { s32 err; PADAPTER padapter; err = _SUCCESS; padapter = (PADAPTER)context; thread_enter("RTW_XMIT_THREAD"); do { err = rtw_hal_xmit_thread_handler(padapter); flush_signals_thread(); } while (_SUCCESS == err); _rtw_up_sema(&padapter->xmitpriv.terminate_xmitthread_sema); thread_exit(); } #endif bool rtw_xmit_ac_blocked(_adapter *adapter) { struct dvobj_priv *dvobj = adapter_to_dvobj(adapter); _adapter *iface; struct mlme_ext_priv *mlmeext; struct mlme_ext_info *mlmeextinfo; bool blocked = _FALSE; int i; for (i = 0; i < dvobj->iface_nums; i++) { iface = dvobj->padapters[i]; mlmeext = &iface->mlmeextpriv; /* check scan state */ if (mlmeext_scan_state(mlmeext) != SCAN_DISABLE && mlmeext_scan_state(mlmeext) != SCAN_BACK_OP ) { blocked = _TRUE; goto exit; } if (mlmeext_scan_state(mlmeext) == SCAN_BACK_OP && !mlmeext_chk_scan_backop_flags(mlmeext, SS_BACKOP_TX_RESUME) ) { blocked = _TRUE; goto exit; } } exit: return blocked; } void rtw_sctx_init(struct submit_ctx *sctx, int timeout_ms) { sctx->timeout_ms = timeout_ms; sctx->submit_time= rtw_get_current_time(); #ifdef PLATFORM_LINUX /* TODO: add condition wating interface for other os */ init_completion(&sctx->done); #endif sctx->status = RTW_SCTX_SUBMITTED; } int rtw_sctx_wait(struct submit_ctx *sctx, const char *msg) { int ret = _FAIL; unsigned long expire; int status = 0; #ifdef PLATFORM_LINUX expire= sctx->timeout_ms ? msecs_to_jiffies(sctx->timeout_ms) : MAX_SCHEDULE_TIMEOUT; if (!wait_for_completion_timeout(&sctx->done, expire)) { /* timeout, do something?? */ status = RTW_SCTX_DONE_TIMEOUT; DBG_871X("%s timeout: %s\n", __func__, msg); } else { status = sctx->status; } #endif if (status == RTW_SCTX_DONE_SUCCESS) { ret = _SUCCESS; } return ret; } bool rtw_sctx_chk_waring_status(int status) { switch(status) { case RTW_SCTX_DONE_UNKNOWN: case RTW_SCTX_DONE_BUF_ALLOC: case RTW_SCTX_DONE_BUF_FREE: case RTW_SCTX_DONE_DRV_STOP: case RTW_SCTX_DONE_DEV_REMOVE: return _TRUE; default: return _FALSE; } } void rtw_sctx_done_err(struct submit_ctx **sctx, int status) { if (*sctx) { if (rtw_sctx_chk_waring_status(status)) DBG_871X("%s status:%d\n", __func__, status); (*sctx)->status = status; #ifdef PLATFORM_LINUX complete(&((*sctx)->done)); #endif *sctx = NULL; } } void rtw_sctx_done(struct submit_ctx **sctx) { rtw_sctx_done_err(sctx, RTW_SCTX_DONE_SUCCESS); } #ifdef CONFIG_XMIT_ACK #ifdef CONFIG_XMIT_ACK_POLLING s32 c2h_evt_hdl(_adapter *adapter, u8 *c2h_evt, c2h_id_filter filter); /** * rtw_ack_tx_polling - * @pxmitpriv: xmit_priv to address ack_tx_ops * @timeout_ms: timeout msec * * Init ack_tx_ops and then do c2h_evt_hdl() and polling ack_tx_ops repeatedly * till tx report or timeout * Returns: _SUCCESS if TX report ok, _FAIL for others */ int rtw_ack_tx_polling(struct xmit_priv *pxmitpriv, u32 timeout_ms) { int ret = _FAIL; struct submit_ctx *pack_tx_ops = &pxmitpriv->ack_tx_ops; _adapter *adapter = container_of(pxmitpriv, _adapter, xmitpriv); pack_tx_ops->submit_time = rtw_get_current_time(); pack_tx_ops->timeout_ms = timeout_ms; pack_tx_ops->status = RTW_SCTX_SUBMITTED; do { c2h_evt_hdl(adapter, NULL, rtw_hal_c2h_id_filter_ccx(adapter)); if (pack_tx_ops->status != RTW_SCTX_SUBMITTED) break; if (rtw_is_drv_stopped(adapter)) { pack_tx_ops->status = RTW_SCTX_DONE_DRV_STOP; break; } if (rtw_is_surprise_removed(adapter)) { pack_tx_ops->status = RTW_SCTX_DONE_DEV_REMOVE; break; } rtw_msleep_os(10); } while (rtw_get_passing_time_ms(pack_tx_ops->submit_time) < timeout_ms); if (pack_tx_ops->status == RTW_SCTX_SUBMITTED) { pack_tx_ops->status = RTW_SCTX_DONE_TIMEOUT; DBG_871X("%s timeout\n", __func__); } if (pack_tx_ops->status == RTW_SCTX_DONE_SUCCESS) ret = _SUCCESS; return ret; } #endif int rtw_ack_tx_wait(struct xmit_priv *pxmitpriv, u32 timeout_ms) { #ifdef CONFIG_XMIT_ACK_POLLING return rtw_ack_tx_polling(pxmitpriv, timeout_ms); #else struct submit_ctx *pack_tx_ops = &pxmitpriv->ack_tx_ops; pack_tx_ops->submit_time = rtw_get_current_time(); pack_tx_ops->timeout_ms = timeout_ms; pack_tx_ops->status = RTW_SCTX_SUBMITTED; return rtw_sctx_wait(pack_tx_ops, __func__); #endif } void rtw_ack_tx_done(struct xmit_priv *pxmitpriv, int status) { struct submit_ctx *pack_tx_ops = &pxmitpriv->ack_tx_ops; if (pxmitpriv->ack_tx) { rtw_sctx_done_err(&pack_tx_ops, status); } else { DBG_871X("%s ack_tx not set\n", __func__); } } #endif //CONFIG_XMIT_ACK