/****************************************************************************** * * Copyright(c) 2016 - 2017 Realtek Corporation. * * 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. * *****************************************************************************/ #define _RTL8821CU_XMIT_C_ #include /* PADAPTER, rtw_xmit.h and etc. */ #include /* HAL_DATA_TYPE */ #include "../../hal_halmac.h" /* halmac api */ #include "../rtl8821c.h" /* rtl8821c_update_txdesc() */ #include "rtl8821cu.h" /* OFFSET_SZ MAX_TX_AGG_PACKET_NUMBER_8821C */ static void update_txdesc_h2c_pkt(struct xmit_frame *pxmitframe, u8 *pmem, s32 sz) { u8 *ptxdesc = pmem; _adapter *padapter = pxmitframe->padapter; _rtw_memset(ptxdesc, 0, TXDESC_SIZE); SET_TX_DESC_TXPKTSIZE_8821C(ptxdesc, sz); SET_TX_DESC_QSEL_8821C(ptxdesc, HALMAC_TXDESC_QSEL_H2C_CMD); rtl8821c_cal_txdesc_chksum(padapter, ptxdesc); rtl8821c_dbg_dump_tx_desc(padapter, pxmitframe->frame_tag, ptxdesc); } static s32 update_txdesc(struct xmit_frame *pxmitframe, u8 *pmem, s32 sz, u8 bagg_pkt) { int pull = 0; uint qsel; u8 data_rate, pwr_status, offset; _adapter *padapter = pxmitframe->padapter; struct mlme_priv *pmlmepriv = &padapter->mlmepriv; struct pkt_attrib *pattrib = &pxmitframe->attrib; HAL_DATA_TYPE *pHalData = GET_HAL_DATA(padapter); u8 *ptxdesc = pmem; struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv; struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info); sint bmcst = IS_MCAST(pattrib->ra); u16 SWDefineContent = 0x0; u8 DriverFixedRate = 0x0; #if defined(CONFIG_80211N_HT) struct sta_info *psta = NULL; u8 max_agg_num = 0; u8 _max_ampdu_size = 0; u8 ht_max_ampdu_size = 0; u8 vht_max_ampdu_size = 0; #endif/*CONFIG_80211N_HT*/ struct dvobj_priv *pdvobjpriv = adapter_to_dvobj(padapter); u8 hw_port = rtw_hal_get_port(padapter); #ifndef CONFIG_USE_USB_BUFFER_ALLOC_TX if (padapter->registrypriv.mp_mode == 0) { if ((PACKET_OFFSET_SZ != 0) && (!bagg_pkt) && (rtw_usb_bulk_size_boundary(padapter, (TXDESC_SIZE + sz)) == _FALSE)) { ptxdesc = (pmem + PACKET_OFFSET_SZ); /* RTW_INFO("==> non-agg-pkt,shift pointer...\n"); */ pull = 1; } } #endif /* !CONFIG_USE_USB_BUFFER_ALLOC_TX */ _rtw_memset(ptxdesc, 0, TXDESC_SIZE); /* offset 0 */ SET_TX_DESC_LS_8821C(ptxdesc, 1); /* RTW_INFO("%s==> pkt_len=%d,bagg_pkt=%02x\n",__FUNCTION__,sz,bagg_pkt); */ SET_TX_DESC_TXPKTSIZE_8821C(ptxdesc, sz); offset = TXDESC_SIZE + OFFSET_SZ; #ifdef CONFIG_TX_EARLY_MODE if (bagg_pkt) offset += EARLY_MODE_INFO_SIZE; #endif /* RTW_INFO("%s==>offset(0x%02x)\n",__FUNCTION__,offset); */ SET_TX_DESC_OFFSET_8821C(ptxdesc, offset); if (bmcst) SET_TX_DESC_BMC_8821C(ptxdesc, 1); SET_TX_DESC_PORT_ID_8821C(ptxdesc, hw_port); SET_TX_DESC_MULTIPLE_PORT_8821C(ptxdesc, hw_port); #ifndef CONFIG_USE_USB_BUFFER_ALLOC_TX if (padapter->registrypriv.mp_mode == 0) { if ((PACKET_OFFSET_SZ != 0) && (!bagg_pkt)) { if ((pull) && (pxmitframe->pkt_offset > 0)) pxmitframe->pkt_offset = pxmitframe->pkt_offset - 1; } } #endif /* !CONFIG_USE_USB_BUFFER_ALLOC_TX */ /* RTW_INFO("%s, pkt_offset=0x%02x\n",__FUNCTION__,pxmitframe->pkt_offset); */ /* pkt_offset, unit:8 bytes padding */ if (pxmitframe->pkt_offset > 0) SET_TX_DESC_PKT_OFFSET_8821C(ptxdesc, pxmitframe->pkt_offset); SET_TX_DESC_MACID_8821C(ptxdesc, pattrib->mac_id); SET_TX_DESC_RATE_ID_8821C(ptxdesc, pattrib->raid); SET_TX_DESC_QSEL_8821C(ptxdesc, pattrib->qsel); /*offset 12 */ if (!pattrib->qos_en) { /* HW sequence, to fix to use 0 queue. todo: 4AC packets to use auto queue select */ SET_TX_DESC_DISQSELSEQ_8821C(ptxdesc, 1); SET_TX_DESC_EN_HWSEQ_8821C(ptxdesc, 1); /* Hw set sequence number */ SET_TX_DESC_HW_SSN_SEL_8821C(ptxdesc, pattrib->hw_ssn_sel); SET_TX_DESC_EN_HWEXSEQ_8821C(ptxdesc, 0); } else SET_TX_DESC_SW_SEQ_8821C(ptxdesc, pattrib->seqnum); if ((pxmitframe->frame_tag & 0x0f) == DATA_FRAMETAG) { /* RTW_INFO("pxmitframe->frame_tag == DATA_FRAMETAG\n"); */ rtl8821c_fill_txdesc_sectype(pattrib, ptxdesc); /* offset 20 */ #ifdef CONFIG_USB_TX_AGGREGATION if (pxmitframe->agg_num > 1) { /* RTW_INFO("%s agg_num:%d\n",__FUNCTION__,pxmitframe->agg_num); */ SET_TX_DESC_DMA_TXAGG_NUM_8821C(ptxdesc, pxmitframe->agg_num); } #endif /* CONFIG_USB_TX_AGGREGATION */ rtl8821c_fill_txdesc_vcs(padapter, pattrib, ptxdesc); if (bmcst) fill_txdesc_force_bmc_camid(pattrib, ptxdesc); #ifdef CONFIG_SUPPORT_DYNAMIC_TXPWR rtw_phydm_set_dyntxpwr(padapter, ptxdesc, pattrib->mac_id); #endif if ((pattrib->ether_type != 0x888e) && (pattrib->ether_type != 0x0806) && (pattrib->ether_type != 0x88b4) && (pattrib->dhcp_pkt != 1) #ifdef CONFIG_AUTO_AP_MODE && (pattrib->pctrl != _TRUE) #endif ) { /* Non EAP & ARP & DHCP type data packet */ #if defined(CONFIG_80211N_HT) if (pattrib->ampdu_en == _TRUE) { SET_TX_DESC_AGG_EN_8821C(ptxdesc, 1); if (padapter->driver_tx_max_agg_num != 0xFF) { max_agg_num = padapter->driver_tx_max_agg_num; /* tx desc max_agg_num (unit:2) */ } else { psta = pattrib->psta; ht_max_ampdu_size = psta->htpriv.ht_cap.ampdu_params_info & 0x3; /*get other side sta ht max rx ampdu size*/ /*RTW_INFO("%s, ht_max_ampdu_size=0x%02x\n", __func__, ht_max_ampdu_size);*/ vht_max_ampdu_size = psta->vhtpriv.ampdu_len; /*RTW_INFO("%s, vht_max_ampdu_size=0x%02x\n", __func__, vht_max_ampdu_size);*/ if (vht_max_ampdu_size > ht_max_ampdu_size) _max_ampdu_size = vht_max_ampdu_size; else _max_ampdu_size = ht_max_ampdu_size; /* Calculate tx desc max_agg_num (unit:2) */ if (_max_ampdu_size == MAX_AMPDU_FACTOR_1M) max_agg_num = (1024 * 1024 / sz) / 2; else if (_max_ampdu_size == MAX_AMPDU_FACTOR_512K) max_agg_num = (512 * 1024 / sz) / 2; else if (_max_ampdu_size == MAX_AMPDU_FACTOR_256K) max_agg_num = (256 * 1024 / sz) / 2; else if (_max_ampdu_size == MAX_AMPDU_FACTOR_128K) max_agg_num = (128 * 1024 / sz) / 2; else if (_max_ampdu_size == MAX_AMPDU_FACTOR_64K) max_agg_num = (64 * 1024 / sz) / 2; else if (_max_ampdu_size == MAX_AMPDU_FACTOR_32K) max_agg_num = (32 * 1024 / sz) / 2; else if (_max_ampdu_size == MAX_AMPDU_FACTOR_16K) max_agg_num = (16 * 1024 / sz) / 2; else if (_max_ampdu_size == MAX_AMPDU_FACTOR_8K) max_agg_num = (8 * 1024 / sz) / 2; /*RTW_INFO("%s, sz=%u , _max_ampdu_size=0x%02x\n", __func__, sz, _max_ampdu_size);*/ if (psta->max_agg_num_minimal_record == 0 || psta->max_agg_num_minimal_record > max_agg_num) psta->max_agg_num_minimal_record = max_agg_num; if (pdvobjpriv->traffic_stat.cur_tx_tp > 10 && pdvobjpriv->traffic_stat.cur_rx_tp > 10) max_agg_num = psta->max_agg_num_minimal_record; } if (max_agg_num >= 0x1F) max_agg_num = 0x1F; /*RTW_INFO("%s, max_agg_num=0x%02x\n", __func__, max_agg_num);*/ SET_TX_DESC_MAX_AGG_NUM_8821C(ptxdesc, max_agg_num); /* Set A-MPDU aggregation */ SET_TX_DESC_AMPDU_DENSITY_8821C(ptxdesc, pattrib->ampdu_spacing); } else #endif/*CONFIG_80211N_HT*/ SET_TX_DESC_BK_8821C(ptxdesc, 1); rtl8821c_fill_txdesc_phy(padapter, pattrib, ptxdesc); if (pHalData->current_band_type == BAND_ON_5G) SET_TX_DESC_DATA_RTY_LOWEST_RATE_8821C(ptxdesc, 4); else SET_TX_DESC_DATA_RTY_LOWEST_RATE_8821C(ptxdesc, 0); if (pHalData->fw_ractrl == _FALSE) { SET_TX_DESC_USE_RATE_8821C(ptxdesc, 1); DriverFixedRate = 0x01; if (pHalData->INIDATA_RATE[pattrib->mac_id] & BIT(7)) SET_TX_DESC_DATA_SHORT_8821C(ptxdesc, 1); SET_TX_DESC_DATARATE_8821C(ptxdesc, (pHalData->INIDATA_RATE[pattrib->mac_id] & 0x7F)); } if (bmcst) { DriverFixedRate = 0x01; fill_txdesc_bmc_tx_rate(pattrib, ptxdesc); } /* modify data rate by iwpriv or proc */ if (padapter->fix_rate != 0xFF) { SET_TX_DESC_USE_RATE_8821C(ptxdesc, 1); DriverFixedRate = 0x01; if (padapter->fix_rate & BIT(7)) SET_TX_DESC_DATA_SHORT_8821C(ptxdesc, 1); SET_TX_DESC_DATARATE_8821C(ptxdesc, (padapter->fix_rate & 0x7F)); if (!padapter->data_fb) SET_TX_DESC_DISDATAFB_8821C(ptxdesc, 1); } if (pattrib->ldpc) SET_TX_DESC_DATA_LDPC_8821C(ptxdesc, 1); if (pattrib->stbc) SET_TX_DESC_DATA_STBC_8821C(ptxdesc, 1); #ifdef CONFIG_WMMPS_STA if (pattrib->trigger_frame) SET_TX_DESC_TRI_FRAME_8821C (ptxdesc, 1); #endif /* CONFIG_WMMPS_STA */ } else { /* EAP data packet and ARP packet and DHCP. Use the 1M data rate to send the EAP/ARP packet. This will maybe make the handshake smooth. */ SET_TX_DESC_USE_RATE_8821C(ptxdesc, 1); DriverFixedRate = 0x01; SET_TX_DESC_BK_8821C(ptxdesc, 1); /* HW will ignore this setting if the transmission rate is legacy OFDM */ if (pmlmeinfo->preamble_mode == PREAMBLE_SHORT) SET_TX_DESC_DATA_SHORT_8821C(ptxdesc, 1); #ifdef CONFIG_IP_R_MONITOR if((pattrib->ether_type == ETH_P_ARP) && (IsSupportedTxOFDM(padapter->registrypriv.wireless_mode))) { SET_TX_DESC_DATARATE_8821C(ptxdesc, MRateToHwRate(IEEE80211_OFDM_RATE_6MB)); #ifdef DBG_IP_R_MONITOR RTW_INFO(FUNC_ADPT_FMT ": SP Packet(0x%04X) rate=0x%x SeqNum = %d\n", FUNC_ADPT_ARG(padapter), pattrib->ether_type, MRateToHwRate(pmlmeext->tx_rate), pattrib->seqnum); #endif/*DBG_IP_R_MONITOR*/ } else #endif/*CONFIG_IP_R_MONITOR*/ SET_TX_DESC_DATARATE_8821C(ptxdesc, MRateToHwRate(pmlmeext->tx_rate)); } #ifdef CONFIG_TDLS #ifdef CONFIG_XMIT_ACK /* CCX-TXRPT ack for xmit data frames */ if (pxmitframe->ack_report) { SET_TX_DESC_SPE_RPT_8821C(ptxdesc, 1); #ifdef DBG_CCX /* RTW_INFO("%s set tx report\n", __func__); */ RTW_INFO("%s set tx report\n", __func__); #endif } #endif /* CONFIG_XMIT_ACK */ #endif } else if ((pxmitframe->frame_tag & 0x0f) == MGNT_FRAMETAG) { /* RTW_INFO("pxmitframe->frame_tag == MGNT_FRAMETAG\n"); */ SET_TX_DESC_MBSSID_8821C(ptxdesc, pattrib->mbssid & 0xF); SET_TX_DESC_USE_RATE_8821C(ptxdesc, 1); DriverFixedRate = 0x01; SET_TX_DESC_DATARATE_8821C(ptxdesc, MRateToHwRate(pattrib->rate)); /* VHT NDPA or HT NDPA Packet for Beamformer. */ if ((pattrib->subtype == WIFI_NDPA) || ((pattrib->subtype == WIFI_ACTION_NOACK) && (pattrib->order == 1))) { SET_TX_DESC_NAVUSEHDR_8821C(ptxdesc, 1); SET_TX_DESC_DATA_BW_8821C(ptxdesc, rtl8821c_bw_mapping(padapter, pattrib)); SET_TX_DESC_SIGNALING_TA_PKT_SC_8821C(ptxdesc, rtl8821c_sc_mapping(padapter, pattrib)); SET_TX_DESC_RTY_LMT_EN_8821C(ptxdesc, 1); SET_TX_DESC_RTS_DATA_RTY_LMT_8821C(ptxdesc, 5); SET_TX_DESC_DISRTSFB_8821C(ptxdesc, 1); SET_TX_DESC_NDPA_8821C(ptxdesc, 1); } else { SET_TX_DESC_RTY_LMT_EN_8821C(ptxdesc, 1); if (pattrib->retry_ctrl == _TRUE) SET_TX_DESC_RTS_DATA_RTY_LMT_8821C(ptxdesc, 6); else SET_TX_DESC_RTS_DATA_RTY_LMT_8821C(ptxdesc, 12); } #ifdef CONFIG_XMIT_ACK /* CCX-TXRPT ack for xmit mgmt frames */ if (pxmitframe->ack_report) { SET_TX_DESC_SPE_RPT_8821C(ptxdesc, 1); #ifdef DBG_CCX /* RTW_INFO("%s set tx report\n", __func__); */ RTW_INFO("%s set tx report\n", __func__); #endif } #endif /* CONFIG_XMIT_ACK */ } else if ((pxmitframe->frame_tag & 0x0f) == TXAGG_FRAMETAG) /* RTW_INFO("pxmitframe->frame_tag == TXAGG_FRAMETAG\n"); */ RTW_INFO("pxmitframe->frame_tag == TXAGG_FRAMETAG\n"); #ifdef CONFIG_MP_INCLUDED else if (((pxmitframe->frame_tag & 0x0f) == MP_FRAMETAG) && (padapter->registrypriv.mp_mode == 1)) fill_txdesc_for_mp(padapter, ptxdesc); #endif else { /* RTW_INFO("pxmitframe->frame_tag = %d\n", pxmitframe->frame_tag); */ RTW_INFO("pxmitframe->frame_tag = %d\n", pxmitframe->frame_tag); SET_TX_DESC_USE_RATE_8821C(ptxdesc, 1); DriverFixedRate = 0x01; SET_TX_DESC_DATARATE_8821C(ptxdesc, MRateToHwRate(pmlmeext->tx_rate)); } if (DriverFixedRate) SWDefineContent |= 0x01; SET_TX_DESC_SW_DEFINE_8821C(ptxdesc, SWDefineContent); rtl8821c_cal_txdesc_chksum(padapter, ptxdesc); rtl8821c_dbg_dump_tx_desc(padapter, pxmitframe->frame_tag, ptxdesc); return pull; } #ifdef CONFIG_XMIT_THREAD_MODE /* * Description * Transmit xmitbuf to hardware tx fifo * * Return * _SUCCESS ok * _FAIL something error */ s32 rtl8821cu_xmit_buf_handler(PADAPTER padapter) { PHAL_DATA_TYPE phal; struct xmit_priv *pxmitpriv; struct xmit_buf *pxmitbuf; struct xmit_frame *pxmitframe; s32 ret; phal = GET_HAL_DATA(padapter); pxmitpriv = &padapter->xmitpriv; ret = _rtw_down_sema(&pxmitpriv->xmit_sema); if (_FAIL == ret) { return _FAIL; } if (RTW_CANNOT_RUN(padapter)) { RTW_DBG(FUNC_ADPT_FMT "- bDriverStopped(%s) bSurpriseRemoved(%s)\n", FUNC_ADPT_ARG(padapter), rtw_is_drv_stopped(padapter) ? "True" : "False", rtw_is_surprise_removed(padapter) ? "True" : "False"); return _FAIL; } if (check_pending_xmitbuf(pxmitpriv) == _FALSE) return _SUCCESS; #ifdef CONFIG_LPS_LCLK ret = rtw_register_tx_alive(padapter); if (ret != _SUCCESS) { return _SUCCESS; } #endif /* CONFIG_LPS_LCLK */ do { pxmitbuf = dequeue_pending_xmitbuf(pxmitpriv); if (pxmitbuf == NULL) break; pxmitframe = (struct xmit_frame *) pxmitbuf->priv_data; /* only XMITBUF_DATA & XMITBUF_MGNT */ rtw_write_port_and_wait(padapter, pxmitbuf->ff_hwaddr, pxmitbuf->len, (unsigned char *)pxmitbuf, 500); rtw_free_xmitframe(pxmitpriv, pxmitframe); } while (1); #ifdef CONFIG_LPS_LCLK rtw_unregister_tx_alive(padapter); #endif /*CONFIG_LPS_LCLK */ return _SUCCESS; } #endif /* CONFIG_XMIT_THREAD_MODE */ /* for non-agg data frame or management frame */ static s32 rtw_dump_xframe(PADAPTER padapter, struct xmit_frame *pxmitframe) { s32 ret = _SUCCESS; s32 inner_ret = _SUCCESS; int t, sz, w_sz, pull = 0; u8 *mem_addr; u8 ff_hwaddr; struct xmit_buf *pxmitbuf = pxmitframe->pxmitbuf; struct pkt_attrib *pattrib = &pxmitframe->attrib; struct xmit_priv *pxmitpriv = &padapter->xmitpriv; struct security_priv *psecuritypriv = &padapter->securitypriv; struct dvobj_priv *pdvobj = adapter_to_dvobj(padapter); #ifdef CONFIG_80211N_HT if ((pxmitframe->frame_tag == DATA_FRAMETAG) && (pxmitframe->attrib.ether_type != 0x0806) && (pxmitframe->attrib.ether_type != 0x888e) && (pxmitframe->attrib.ether_type != 0x88b4) && (pxmitframe->attrib.dhcp_pkt != 1)) rtw_issue_addbareq_cmd(padapter, pxmitframe, _FALSE); #endif /* CONFIG_80211N_HT */ mem_addr = pxmitframe->buf_addr; for (t = 0; t < pattrib->nr_frags; t++) { if (inner_ret != _SUCCESS && ret == _SUCCESS) ret = _FAIL; if (t != (pattrib->nr_frags - 1)) { sz = pxmitpriv->frag_len; sz = sz - 4 - (psecuritypriv->sw_encrypt ? 0 : pattrib->icv_len); } else /* no frag */ sz = pattrib->last_txcmdsz; if (pattrib->qsel == HALMAC_TXDESC_QSEL_H2C_CMD) { update_txdesc_h2c_pkt(pxmitframe, mem_addr, sz); w_sz = sz + TXDESC_SIZE; } else { pull = update_txdesc(pxmitframe, mem_addr, sz, _FALSE); if (pull) { /* pull txdesc head */ mem_addr += PACKET_OFFSET_SZ; pxmitframe->buf_addr = mem_addr; w_sz = sz + TXDESC_SIZE; } else w_sz = sz + TXDESC_SIZE + PACKET_OFFSET_SZ; } #ifdef RTW_HALMAC pxmitbuf->bulkout_id = rtw_halmac_usb_get_bulkout_id(pdvobj, mem_addr, w_sz); #endif ff_hwaddr = rtw_get_ff_hwaddr(pxmitframe); #ifdef CONFIG_XMIT_THREAD_MODE pxmitbuf->len = w_sz; pxmitbuf->ff_hwaddr = ff_hwaddr; if ((pattrib->qsel == QSLT_BEACON) || (pattrib->qsel == QSLT_CMD)) /* download rsvd page or fw */ inner_ret = rtw_write_port(padapter, ff_hwaddr, w_sz, (unsigned char *)pxmitbuf); else enqueue_pending_xmitbuf(pxmitpriv, pxmitbuf); #else inner_ret = rtw_write_port(padapter, ff_hwaddr, w_sz, (unsigned char *)pxmitbuf); #endif rtw_count_tx_stats(padapter, pxmitframe, sz); /* RTW_INFO("rtw_write_port, w_sz=%d, sz=%d, txdesc_sz=%d, tid=%d\n", w_sz, sz, w_sz-sz, pattrib->priority);*/ mem_addr += w_sz; mem_addr = (u8 *)RND4(((SIZE_PTR)(mem_addr))); } #ifdef CONFIG_XMIT_THREAD_MODE if ((pattrib->qsel == QSLT_BEACON) || (pattrib->qsel == QSLT_CMD)) #endif rtw_free_xmitframe(pxmitpriv, pxmitframe); if (ret != _SUCCESS) rtw_sctx_done_err(&pxmitbuf->sctx, RTW_SCTX_DONE_UNKNOWN); return ret; } #ifdef CONFIG_USB_TX_AGGREGATION #define IDEA_CONDITION 1 /* check all packets before enqueue */ static s32 rtl8821cu_xmitframe_complete(PADAPTER padapter, struct xmit_priv *pxmitpriv, struct xmit_buf *pxmitbuf) { HAL_DATA_TYPE *pHalData = GET_HAL_DATA(padapter); struct dvobj_priv *pdvobj = adapter_to_dvobj(padapter); struct xmit_frame *pxmitframe = NULL; struct xmit_frame *pfirstframe = NULL; /* aggregate variable */ struct hw_xmit *phwxmit; struct sta_info *psta = NULL; struct tx_servq *ptxservq = NULL; _irqL irqL; _list *xmitframe_plist = NULL, *xmitframe_phead = NULL; u32 pbuf; /* next pkt address */ u32 pbuf_tail; /* last pkt tail */ u32 len; /* packet length, except TXDESC_SIZE and PKT_OFFSET */ u32 bulkSize = pHalData->UsbBulkOutSize; u8 descCount; u32 bulkPtr; /* dump frame variable */ u8 ff_hwaddr; _list *sta_plist, *sta_phead; u8 single_sta_in_queue = _FALSE; #ifndef IDEA_CONDITION int res = _SUCCESS; #endif #ifdef CONFIG_RTW_MGMT_QUEUE /* dump management frame directly */ pxmitframe = rtw_dequeue_mgmt_xframe(pxmitpriv); if (pxmitframe) { rtw_dump_xframe(padapter, pxmitframe); return _TRUE; } #endif /* check xmitbuffer is ok */ if (pxmitbuf == NULL) { pxmitbuf = rtw_alloc_xmitbuf(pxmitpriv); if (pxmitbuf == NULL) return _FALSE; } /* 1. pick up first frame */ do { rtw_free_xmitframe(pxmitpriv, pxmitframe); pxmitframe = rtw_dequeue_xframe(pxmitpriv, pxmitpriv->hwxmits, pxmitpriv->hwxmit_entry); if (pxmitframe == NULL) { /* no more xmit frame, release xmit buffer */ /* RTW_INFO("%s: no more xmit frame\n", __func__); */ rtw_free_xmitbuf(pxmitpriv, pxmitbuf); return _FALSE; } #ifndef IDEA_CONDITION if (pxmitframe->frame_tag != DATA_FRAMETAG) { continue; } /* TID 0~15 */ if ((pxmitframe->attrib.priority < 0) || (pxmitframe->attrib.priority > 15)) { continue; } #endif pxmitframe->pxmitbuf = pxmitbuf; pxmitframe->buf_addr = pxmitbuf->pbuf; pxmitbuf->priv_data = pxmitframe; pxmitframe->agg_num = 1; /* alloc xmitframe should assign to 1. */ #ifdef CONFIG_TX_EARLY_MODE /* first frame of aggregation, reserve one offset for EM info ,another for usb bulk-out block check */ pxmitframe->pkt_offset = (PACKET_OFFSET_SZ / 8) + 1; #else /* first frame of aggregation, reserve offset */ pxmitframe->pkt_offset = (PACKET_OFFSET_SZ / 8); #endif if (rtw_xmitframe_coalesce(padapter, pxmitframe->pkt, pxmitframe) == _FALSE) { /* RTW_INFO("%s: coalesce 1st xmitframe failed\n", __func__); */ RTW_INFO("%s: coalesce 1st xmitframe failed\n", __func__); continue; } /* always return ndis_packet after rtw_xmitframe_coalesce */ rtw_os_xmit_complete(padapter, pxmitframe); break; } while (1); /* 2. aggregate same priority and same DA(AP or STA) frames */ pfirstframe = pxmitframe; len = rtw_wlan_pkt_size(pfirstframe) + TXDESC_SIZE + (pfirstframe->pkt_offset * PACKET_OFFSET_SZ); pbuf_tail = len; pbuf = _RND8(pbuf_tail); /* check pkt amount in one bulk */ descCount = 0; bulkPtr = bulkSize; if (pbuf < bulkPtr) { descCount++; if (descCount == pHalData->UsbTxAggDescNum) goto agg_end; } else { descCount = 0; bulkPtr = ((pbuf / bulkSize) + 1) * bulkSize; /* round to next bulkSize */ } /* dequeue same priority packet from station tx queue */ psta = pfirstframe->attrib.psta; switch (pfirstframe->attrib.priority) { case 1: case 2: ptxservq = &(psta->sta_xmitpriv.bk_q); phwxmit = pxmitpriv->hwxmits + 3; break; case 4: case 5: ptxservq = &(psta->sta_xmitpriv.vi_q); phwxmit = pxmitpriv->hwxmits + 1; break; case 6: case 7: ptxservq = &(psta->sta_xmitpriv.vo_q); phwxmit = pxmitpriv->hwxmits; break; case 0: case 3: default: ptxservq = &(psta->sta_xmitpriv.be_q); phwxmit = pxmitpriv->hwxmits + 2; break; } /* RTW_INFO("==> pkt_no=%d,pkt_len=%d,len=%d,RND8_LEN=%d,pkt_offset=0x%02x\n", pxmitframe->agg_num,pxmitframe->attrib.last_txcmdsz,len,pbuf,pxmitframe->pkt_offset ); */ _enter_critical_bh(&pxmitpriv->lock, &irqL); sta_phead = get_list_head(phwxmit->sta_queue); sta_plist = get_next(sta_phead); single_sta_in_queue = rtw_end_of_queue_search(sta_phead, get_next(sta_plist)); xmitframe_phead = get_list_head(&ptxservq->sta_pending); 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); if (_FAIL == rtw_hal_busagg_qsel_check(padapter, pfirstframe->attrib.qsel, pxmitframe->attrib.qsel)) break; pxmitframe->agg_num = 0; /* not first frame of aggregation */ #ifdef CONFIG_TX_EARLY_MODE pxmitframe->pkt_offset = 1;/* not first frame of aggregation,reserve offset for EM Info */ #else pxmitframe->pkt_offset = 0; /* not first frame of aggregation, no need to reserve offset */ #endif len = rtw_wlan_pkt_size(pxmitframe) + TXDESC_SIZE + (pxmitframe->pkt_offset * PACKET_OFFSET_SZ); if (_RND8(pbuf + len) > MAX_XMITBUF_SZ) { /* RTW_INFO("%s: len> MAX_XMITBUF_SZ\n", __func__); */ pxmitframe->agg_num = 1; pxmitframe->pkt_offset = 1; break; } rtw_list_delete(&pxmitframe->list); ptxservq->qcnt--; phwxmit->accnt--; #ifndef IDEA_CONDITION /* suppose only data frames would be in queue */ if (pxmitframe->frame_tag != DATA_FRAMETAG) { rtw_free_xmitframe(pxmitpriv, pxmitframe); continue; } /* TID 0~15 */ if ((pxmitframe->attrib.priority < 0) || (pxmitframe->attrib.priority > 15)) { rtw_free_xmitframe(pxmitpriv, pxmitframe); continue; } #endif pxmitframe->buf_addr = pxmitbuf->pbuf + pbuf; if (rtw_xmitframe_coalesce(padapter, pxmitframe->pkt, pxmitframe) == _FALSE) { /* RTW_INFO("%s coalesce failed\n", __func__); */ RTW_INFO("%s coalesce failed\n", __func__); rtw_free_xmitframe(pxmitpriv, pxmitframe); continue; } /* always return ndis_packet after rtw_xmitframe_coalesce */ rtw_os_xmit_complete(padapter, pxmitframe); update_txdesc(pxmitframe, pxmitframe->buf_addr, pxmitframe->attrib.last_txcmdsz, _TRUE); /* don't need xmitframe any more */ rtw_free_xmitframe(pxmitpriv, pxmitframe); /* handle pointer and stop condition */ pbuf_tail = pbuf + len; pbuf = _RND8(pbuf_tail); pfirstframe->agg_num++; #ifdef CONFIG_TX_EARLY_MODE pxmitpriv->agg_pkt[pfirstframe->agg_num - 1].offset = _RND8(len); pxmitpriv->agg_pkt[pfirstframe->agg_num - 1].pkt_len = pxmitframe->attrib.last_txcmdsz; #endif if (MAX_TX_AGG_PACKET_NUMBER_8821C == pfirstframe->agg_num) break; if (pbuf < bulkPtr) { descCount++; if (descCount == pHalData->UsbTxAggDescNum) break; } else { descCount = 0; bulkPtr = ((pbuf / bulkSize) + 1) * bulkSize; } } /* end while( aggregate same priority and same DA(AP or STA) frames) */ if (_rtw_queue_empty(&ptxservq->sta_pending) == _TRUE) rtw_list_delete(&ptxservq->tx_pending); else if (single_sta_in_queue == _FALSE) { /* Re-arrange the order of stations in this ac queue to balance the service for these stations */ rtw_list_delete(&ptxservq->tx_pending); rtw_list_insert_tail(&ptxservq->tx_pending, get_list_head(phwxmit->sta_queue)); } _exit_critical_bh(&pxmitpriv->lock, &irqL); agg_end: #ifdef CONFIG_80211N_HT if ((pfirstframe->attrib.ether_type != 0x0806) && (pfirstframe->attrib.ether_type != 0x888e) && (pfirstframe->attrib.ether_type != 0x88b4) && (pfirstframe->attrib.dhcp_pkt != 1)) rtw_issue_addbareq_cmd(padapter, pfirstframe, _FALSE); #endif /* CONFIG_80211N_HT */ #ifndef CONFIG_USE_USB_BUFFER_ALLOC_TX /* 3. update first frame txdesc */ if ((PACKET_OFFSET_SZ != 0) && ((pbuf_tail % bulkSize) == 0)) { /* remove pkt_offset */ pbuf_tail -= PACKET_OFFSET_SZ; pfirstframe->buf_addr += PACKET_OFFSET_SZ; pfirstframe->pkt_offset--; } #endif /* CONFIG_USE_USB_BUFFER_ALLOC_TX */ update_txdesc(pfirstframe, pfirstframe->buf_addr, pfirstframe->attrib.last_txcmdsz, _TRUE); #ifdef CONFIG_TX_EARLY_MODE /* prepare EM info for first frame, agg_num value start from 1 */ pxmitpriv->agg_pkt[0].offset = _RND8(pfirstframe->attrib.last_txcmdsz + TXDESC_SIZE + (pfirstframe->pkt_offset * PACKET_OFFSET_SZ)); /* get from rtw_xmitframe_coalesce */ pxmitpriv->agg_pkt[0].pkt_len = pfirstframe->attrib.last_txcmdsz; UpdateEarlyModeInfo8812(pxmitpriv, pxmitbuf); #endif /*CONFIG_TX_EARLY_MODE*/ /* 4. write xmit buffer to USB FIFO */ #ifdef RTW_HALMAC pxmitbuf->bulkout_id = rtw_halmac_usb_get_bulkout_id(pdvobj, pfirstframe->buf_addr, pfirstframe->attrib.last_txcmdsz); #endif ff_hwaddr = rtw_get_ff_hwaddr(pfirstframe); #ifdef CONFIG_XMIT_THREAD_MODE pxmitbuf->len = pbuf_tail; pxmitbuf->ff_hwaddr = ff_hwaddr; if (pfirstframe->attrib.qsel == QSLT_BEACON) /* download rsvd page or fw */ rtw_write_port(padapter, ff_hwaddr, pbuf_tail, (u8 *)pxmitbuf); else enqueue_pending_xmitbuf(pxmitpriv, pxmitbuf); #else rtw_write_port(padapter, ff_hwaddr, pbuf_tail, (u8 *)pxmitbuf); #endif /* 5. update statisitc */ pbuf_tail -= (pfirstframe->agg_num * TXDESC_SIZE); pbuf_tail -= (pfirstframe->pkt_offset * PACKET_OFFSET_SZ); rtw_count_tx_stats(padapter, pfirstframe, pbuf_tail); #ifdef CONFIG_XMIT_THREAD_MODE if (pfirstframe->attrib.qsel == QSLT_BEACON) #endif rtw_free_xmitframe(pxmitpriv, pfirstframe); return _TRUE; } #else /* CONFIG_USB_TX_AGGREGATION */ static s32 rtl8821cu_xmitframe_complete(PADAPTER padapter, struct xmit_priv *pxmitpriv, struct xmit_buf *pxmitbuf) { struct hw_xmit *phwxmits; sint hwentry; struct xmit_frame *pxmitframe = NULL; int res = _SUCCESS, xcnt = 0; phwxmits = pxmitpriv->hwxmits; hwentry = pxmitpriv->hwxmit_entry; #ifdef CONFIG_RTW_MGMT_QUEUE /* dump management frame directly */ pxmitframe = rtw_dequeue_mgmt_xframe(pxmitpriv); if (pxmitframe) { rtw_dump_xframe(padapter, pxmitframe); return _TRUE; } #endif if (pxmitbuf == NULL) { pxmitbuf = rtw_alloc_xmitbuf(pxmitpriv); if (!pxmitbuf) return _FALSE; } do { pxmitframe = rtw_dequeue_xframe(pxmitpriv, phwxmits, hwentry); if (pxmitframe) { pxmitframe->pxmitbuf = pxmitbuf; pxmitframe->buf_addr = pxmitbuf->pbuf; pxmitbuf->priv_data = pxmitframe; if ((pxmitframe->frame_tag & 0x0f) == DATA_FRAMETAG) { /* TID0~15 */ if (pxmitframe->attrib.priority <= 15) res = rtw_xmitframe_coalesce(padapter, pxmitframe->pkt, pxmitframe); rtw_os_xmit_complete(padapter, pxmitframe);/* always return ndis_packet after rtw_xmitframe_coalesce */ } if (res == _SUCCESS) rtw_dump_xframe(padapter, pxmitframe); else { rtw_free_xmitbuf(pxmitpriv, pxmitbuf); rtw_free_xmitframe(pxmitpriv, pxmitframe); } xcnt++; } else { rtw_free_xmitbuf(pxmitpriv, pxmitbuf); return _FALSE; } break; } while (0/*xcnt < (NR_XMITFRAME >> 3)*/); return _TRUE; } #endif static void rtl8821cu_xmit_tasklet(unsigned long priv) { int ret = _FALSE; _adapter *padapter = (_adapter *)priv; struct xmit_priv *pxmitpriv = &padapter->xmitpriv; while (1) { if (RTW_CANNOT_TX(padapter)) { /* RTW_INFO("xmit_tasklet => bDriverStopped or bSurpriseRemoved or bWritePortCancel\n"); */ RTW_INFO("xmit_tasklet => bDriverStopped or bSurpriseRemoved or bWritePortCancel\n"); break; } if (rtw_xmit_ac_blocked(padapter) == _TRUE) break; ret = rtl8821cu_xmitframe_complete(padapter, pxmitpriv, NULL); if (ret == _FALSE) break; } } s32 rtl8821cu_init_xmit_priv(PADAPTER padapter) { struct xmit_priv *pxmitpriv = &padapter->xmitpriv; HAL_DATA_TYPE *pHalData = GET_HAL_DATA(padapter); #ifdef PLATFORM_LINUX tasklet_init(&pxmitpriv->xmit_tasklet, rtl8821cu_xmit_tasklet, (unsigned long)padapter); #endif #ifdef CONFIG_TX_EARLY_MODE pHalData->bEarlyModeEnable = padapter->registrypriv.early_mode; #endif rtl8821c_init_xmit_priv(padapter); return _SUCCESS; } void rtl8821cu_free_xmit_priv(PADAPTER padapter) { } static s32 xmitframe_direct(PADAPTER padapter, struct xmit_frame *pxmitframe) { s32 res = _SUCCESS; res = rtw_xmitframe_coalesce(padapter, pxmitframe->pkt, pxmitframe); if (res == _SUCCESS) rtw_dump_xframe(padapter, pxmitframe); else RTW_INFO("%s: xmitframe_coalsece failed\n", __func__); /* RTW_INFO("%s: xmitframe_coalsece failed\n", __func__); */ return res; } /* * Return * _TRUE dump packet directly * _FALSE enqueue packet */ static s32 pre_xmitframe(PADAPTER padapter, struct xmit_frame *pxmitframe) { _irqL irqL; s32 res; struct xmit_buf *pxmitbuf = NULL; struct xmit_priv *pxmitpriv = &padapter->xmitpriv; struct pkt_attrib *pattrib = &pxmitframe->attrib; struct mlme_priv *pmlmepriv = &padapter->mlmepriv; _enter_critical_bh(&pxmitpriv->lock, &irqL); if (rtw_txframes_sta_ac_pending(padapter, pattrib) > 0) goto enqueue; if (rtw_xmit_ac_blocked(padapter) == _TRUE) goto enqueue; if (DEV_STA_LG_NUM(padapter->dvobj)) goto enqueue; pxmitbuf = rtw_alloc_xmitbuf(pxmitpriv); if (pxmitbuf == NULL) goto enqueue; _exit_critical_bh(&pxmitpriv->lock, &irqL); pxmitframe->pxmitbuf = pxmitbuf; pxmitframe->buf_addr = pxmitbuf->pbuf; pxmitbuf->priv_data = pxmitframe; if (xmitframe_direct(padapter, pxmitframe) != _SUCCESS) { rtw_free_xmitbuf(pxmitpriv, pxmitbuf); rtw_free_xmitframe(pxmitpriv, pxmitframe); } return _TRUE; enqueue: res = rtw_xmitframe_enqueue(padapter, pxmitframe); _exit_critical_bh(&pxmitpriv->lock, &irqL); if (res != _SUCCESS) { rtw_free_xmitframe(pxmitpriv, pxmitframe); pxmitpriv->tx_drop++; return _TRUE; } return _FALSE; } s32 rtl8821cu_mgnt_xmit(PADAPTER padapter, struct xmit_frame *pmgntframe) { return rtw_dump_xframe(padapter, pmgntframe); } /* * Return * _TRUE dump packet directly ok * _FALSE temporary can't transmit packets to hardware */ s32 rtl8821cu_hal_xmit(PADAPTER padapter, struct xmit_frame *pxmitframe) { return pre_xmitframe(padapter, pxmitframe); } #ifdef CONFIG_RTW_MGMT_QUEUE s32 rtl8821cu_hal_mgmt_xmitframe_enqueue(PADAPTER padapter, struct xmit_frame *pxmitframe) { struct xmit_priv *pxmitpriv = &padapter->xmitpriv; s32 err; err = rtw_mgmt_xmitframe_enqueue(padapter, pxmitframe); if (err != _SUCCESS) { rtw_free_xmitframe(pxmitpriv, pxmitframe); pxmitpriv->tx_drop++; } else { #ifdef PLATFORM_LINUX tasklet_hi_schedule(&pxmitpriv->xmit_tasklet); #endif } return err; } #endif s32 rtl8821cu_hal_xmitframe_enqueue(PADAPTER padapter, struct xmit_frame *pxmitframe) { struct xmit_priv *pxmitpriv = &padapter->xmitpriv; s32 err; err = rtw_xmitframe_enqueue(padapter, pxmitframe); if (err != _SUCCESS) { rtw_free_xmitframe(pxmitpriv, pxmitframe); pxmitpriv->tx_drop++; } else { #ifdef PLATFORM_LINUX tasklet_hi_schedule(&pxmitpriv->xmit_tasklet); #endif } return err; } #ifdef CONFIG_HOSTAPD_MLME static void rtl8821cu_hostap_mgnt_xmit_cb(struct urb *urb) { #ifdef PLATFORM_LINUX struct sk_buff *skb = (struct sk_buff *)urb->context; rtw_skb_free(skb); #endif } s32 rtl8821cu_hostap_mgnt_xmit_entry(PADAPTER padapter, _pkt *pkt) { #ifdef PLATFORM_LINUX u16 fc; int rc, len, pipe; unsigned int bmcst, tid, qsel; struct sk_buff *skb, *pxmit_skb; struct urb *urb; unsigned char *pxmitbuf; struct tx_desc *ptxdesc; struct rtw_ieee80211_hdr *tx_hdr; struct hostapd_priv *phostapdpriv = padapter->phostapdpriv; struct net_device *pnetdev = padapter->pnetdev; HAL_DATA_TYPE *pHalData = GET_HAL_DATA(padapter); struct dvobj_priv *pdvobj = adapter_to_dvobj(padapter); skb = pkt; len = skb->len; tx_hdr = (struct rtw_ieee80211_hdr *)(skb->data); fc = le16_to_cpu(tx_hdr->frame_ctl); bmcst = IS_MCAST(tx_hdr->addr1); if ((fc & RTW_IEEE80211_FCTL_FTYPE) != RTW_IEEE80211_FTYPE_MGMT) goto _exit; pxmit_skb = rtw_skb_alloc(len + TXDESC_SIZE); if (!pxmit_skb) goto _exit; pxmitbuf = pxmit_skb->data; urb = usb_alloc_urb(0, GFP_ATOMIC); if (!urb) goto _exit; /* ----- fill tx desc ----- */ ptxdesc = (struct tx_desc *)pxmitbuf; _rtw_memset(ptxdesc, 0, sizeof(*ptxdesc)); /* offset 0 */ ptxdesc->txdw0 |= cpu_to_le32(len & 0x0000ffff); ptxdesc->txdw0 |= cpu_to_le32(((TXDESC_SIZE + OFFSET_SZ) << OFFSET_SHT) & 0x00ff0000);/* default = 32 bytes for TX Desc */ ptxdesc->txdw0 |= cpu_to_le32(OWN | FSG | LSG); if (bmcst) ptxdesc->txdw0 |= cpu_to_le32(BIT(24)); /* offset 4 */ ptxdesc->txdw1 |= cpu_to_le32(0x00); /* MAC_ID */ ptxdesc->txdw1 |= cpu_to_le32((0x12 << QSEL_SHT) & 0x00001f00); ptxdesc->txdw1 |= cpu_to_le32((0x06 << 16) & 0x000f0000);/* b mode */ /* offset 8 */ /* offset 12 */ ptxdesc->txdw3 |= cpu_to_le32((le16_to_cpu(tx_hdr->seq_ctl) << 16) & 0xffff0000); /* offset 16 */ ptxdesc->txdw4 |= cpu_to_le32(BIT(8)); /* driver uses rate */ /* offset 20 */ /* HW append seq */ ptxdesc->txdw4 |= cpu_to_le32(BIT(7)); /* Hw set sequence number */ ptxdesc->txdw3 |= cpu_to_le32((8 << 28)); /* set bit3 to 1. Suugested by TimChen. 2009.12.29. */ rtl8821c_cal_txdesc_chksum(padapter, ptxdesc); /* ----- end of fill tx desc -----*/ skb_put(pxmit_skb, len + TXDESC_SIZE); pxmitbuf = pxmitbuf + TXDESC_SIZE; _rtw_memcpy(pxmitbuf, skb->data, len); /*RTW_INFO("mgnt_xmit, len=%x\n", pxmit_skb->len); */ /* ----- prepare urb for submit -----*/ /* translate DMA FIFO addr to pipehandle */ pipe = usb_sndbulkpipe(pdvobj->pusbdev, pHalData->Queue2EPNum[(u8)MGT_QUEUE_INX] & 0x0f); usb_fill_bulk_urb(urb, pdvobj->pusbdev, pipe, pxmit_skb->data, pxmit_skb->len, rtl8192cu_hostap_mgnt_xmit_cb, pxmit_skb); urb->transfer_flags |= URB_ZERO_PACKET; usb_anchor_urb(urb, &phostapdpriv->anchored); rc = usb_submit_urb(urb, GFP_ATOMIC); if (rc < 0) { usb_unanchor_urb(urb); kfree_skb(skb); } usb_free_urb(urb); _exit: rtw_skb_free(skb); #endif return 0; } #endif