/****************************************************************************** * * Copyright(c) 2007 - 2011 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 _RTL8188E_XMIT_C_ #include #include s32 rtl8188eu_init_xmit_priv(_adapter *padapter) { struct xmit_priv *pxmitpriv = &padapter->xmitpriv; HAL_DATA_TYPE *pHalData = GET_HAL_DATA(padapter); tasklet_init(&pxmitpriv->xmit_tasklet, (void(*)(unsigned long))rtl8188eu_xmit_tasklet, (unsigned long)padapter); #ifdef CONFIG_TX_EARLY_MODE pHalData->bEarlyModeEnable = padapter->registrypriv.early_mode; #endif return _SUCCESS; } void rtl8188eu_free_xmit_priv(_adapter *padapter) { } static u8 urb_zero_packet_chk(_adapter *padapter, int sz) { u8 blnSetTxDescOffset; HAL_DATA_TYPE *pHalData = GET_HAL_DATA(padapter); blnSetTxDescOffset = (((sz + TXDESC_SIZE) % pHalData->UsbBulkOutSize) == 0) ? 1 : 0; return blnSetTxDescOffset; } static void rtl8188eu_cal_txdesc_chksum(struct tx_desc *ptxdesc) { __le16 *usPtr = (__le16 *)ptxdesc; u32 count = 16; /* (32 bytes / 2 bytes per XOR) => 16 times */ u32 index; u16 checksum = 0; /* Clear first */ ptxdesc->txdw7 &= cpu_to_le32(0xffff0000); for (index = 0 ; index < count ; index++) checksum = checksum ^ le16_to_cpu(*(usPtr + index)); ptxdesc->txdw7 |= cpu_to_le32(0x0000ffff & checksum); } /* * Description: In normal chip, we should send some packet to Hw which will be used by Fw * in FW LPS mode. The function is to fill the Tx descriptor of this packets, then * Fw can tell Hw to send these packet derectly. * */ void rtl8188e_fill_fake_txdesc( PADAPTER padapter, u8 *pDesc, u32 BufferLen, u8 IsPsPoll, u8 IsBTQosNull, u8 bDataFrame) { struct tx_desc *ptxdesc; /* Clear all status */ ptxdesc = (struct tx_desc *)pDesc; _rtw_memset(pDesc, 0, TXDESC_SIZE); /* offset 0 */ ptxdesc->txdw0 |= cpu_to_le32(OWN | FSG | LSG); /* own, bFirstSeg, bLastSeg; */ ptxdesc->txdw0 |= cpu_to_le32(((TXDESC_SIZE + OFFSET_SZ) << OFFSET_SHT) & 0x00ff0000); /* 32 bytes for TX Desc */ ptxdesc->txdw0 |= cpu_to_le32(BufferLen & 0x0000ffff); /* Buffer size + command header */ /* offset 4 */ ptxdesc->txdw1 |= cpu_to_le32((QSLT_MGNT << QSEL_SHT) & 0x00001f00); /* Fixed queue of Mgnt queue */ /* Set NAVUSEHDR to prevent Ps-poll AId filed to be changed to error vlaue by Hw. */ if (IsPsPoll) ptxdesc->txdw1 |= cpu_to_le32(NAVUSEHDR); else { 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. */ } if (_TRUE == IsBTQosNull) { ptxdesc->txdw2 |= cpu_to_le32(BIT(23)); /* BT NULL */ } /* offset 16 */ ptxdesc->txdw4 |= cpu_to_le32(BIT(8));/* driver uses rate */ /* */ /* Encrypt the data frame if under security mode excepct null data. Suggested by CCW. */ /* */ if (_TRUE == bDataFrame) { u32 EncAlg; EncAlg = padapter->securitypriv.dot11PrivacyAlgrthm; switch (EncAlg) { case _NO_PRIVACY_: SET_TX_DESC_SEC_TYPE_8188E(pDesc, 0x0); break; case _WEP40_: case _WEP104_: case _TKIP_: SET_TX_DESC_SEC_TYPE_8188E(pDesc, 0x1); break; case _SMS4_: SET_TX_DESC_SEC_TYPE_8188E(pDesc, 0x2); break; case _AES_: SET_TX_DESC_SEC_TYPE_8188E(pDesc, 0x3); break; default: SET_TX_DESC_SEC_TYPE_8188E(pDesc, 0x0); break; } } /* USB interface drop packet if the checksum of descriptor isn't correct. */ /* Using this checksum can let hardware recovery from packet bulk out error (e.g. Cancel URC, Bulk out error.). */ rtl8188eu_cal_txdesc_chksum(ptxdesc); } static void fill_txdesc_sectype(struct pkt_attrib *pattrib, struct tx_desc *ptxdesc) { if ((pattrib->encrypt > 0) && !pattrib->bswenc) { switch (pattrib->encrypt) { /* SEC_TYPE : 0:NO_ENC,1:WEP40/TKIP,2:WAPI,3:AES */ case _WEP40_: case _WEP104_: ptxdesc->txdw1 |= cpu_to_le32((0x01 << SEC_TYPE_SHT) & 0x00c00000); ptxdesc->txdw2 |= cpu_to_le32(0x7 << AMPDU_DENSITY_SHT); break; case _TKIP_: case _TKIP_WTMIC_: ptxdesc->txdw1 |= cpu_to_le32((0x01 << SEC_TYPE_SHT) & 0x00c00000); ptxdesc->txdw2 |= cpu_to_le32(0x7 << AMPDU_DENSITY_SHT); break; #ifdef CONFIG_WAPI_SUPPORT case _SMS4_: ptxdesc->txdw1 |= cpu_to_le32((0x02 << SEC_TYPE_SHT) & 0x00c00000); ptxdesc->txdw2 |= cpu_to_le32(0x7 << AMPDU_DENSITY_SHT); break; #endif case _AES_: ptxdesc->txdw1 |= cpu_to_le32((0x03 << SEC_TYPE_SHT) & 0x00c00000); ptxdesc->txdw2 |= cpu_to_le32(0x7 << AMPDU_DENSITY_SHT); break; case _NO_PRIVACY_: default: break; } } } static void fill_txdesc_vcs(struct pkt_attrib *pattrib, __le32 *pdw) { /* RTW_INFO("cvs_mode=%d\n", pattrib->vcs_mode); */ switch (pattrib->vcs_mode) { case RTS_CTS: *pdw |= cpu_to_le32(RTS_EN); break; case CTS_TO_SELF: *pdw |= cpu_to_le32(CTS_2_SELF); break; case NONE_VCS: default: break; } if (pattrib->vcs_mode) { *pdw |= cpu_to_le32(HW_RTS_EN); /* Set RTS BW */ if (pattrib->ht_en) { *pdw |= (pattrib->bwmode & CHANNEL_WIDTH_40) ? cpu_to_le32(BIT(27)) : 0; if (pattrib->ch_offset == HAL_PRIME_CHNL_OFFSET_LOWER) *pdw |= cpu_to_le32((0x01 << 28) & 0x30000000); else if (pattrib->ch_offset == HAL_PRIME_CHNL_OFFSET_UPPER) *pdw |= cpu_to_le32((0x02 << 28) & 0x30000000); else if (pattrib->ch_offset == HAL_PRIME_CHNL_OFFSET_DONT_CARE) *pdw |= 0; else *pdw |= cpu_to_le32((0x03 << 28) & 0x30000000); } } } static void fill_txdesc_phy(struct pkt_attrib *pattrib, __le32 *pdw) { /* RTW_INFO("bwmode=%d, ch_off=%d\n", pattrib->bwmode, pattrib->ch_offset); */ if (pattrib->ht_en) { *pdw |= (pattrib->bwmode & CHANNEL_WIDTH_40) ? cpu_to_le32(BIT(25)) : 0; if (pattrib->ch_offset == HAL_PRIME_CHNL_OFFSET_LOWER) *pdw |= cpu_to_le32((0x01 << DATA_SC_SHT) & 0x003f0000); else if (pattrib->ch_offset == HAL_PRIME_CHNL_OFFSET_UPPER) *pdw |= cpu_to_le32((0x02 << DATA_SC_SHT) & 0x003f0000); else if (pattrib->ch_offset == HAL_PRIME_CHNL_OFFSET_DONT_CARE) *pdw |= 0; else *pdw |= cpu_to_le32((0x03 << DATA_SC_SHT) & 0x003f0000); } } static s32 update_txdesc(struct xmit_frame *pxmitframe, u8 *pmem, s32 sz , u8 bagg_pkt) { int pull = 0; uint qsel; bool sgi = 0; u8 data_rate = 0, 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); struct tx_desc *ptxdesc = (struct tx_desc *)pmem; struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv; struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info); sint bmcst = IS_MCAST(pattrib->ra); #ifdef CONFIG_P2P struct wifidirect_info *pwdinfo = &padapter->wdinfo; #endif /* CONFIG_P2P */ #ifndef CONFIG_USE_USB_BUFFER_ALLOC_TX if (padapter->registrypriv.mp_mode == 0) { /* if((!bagg_pkt) &&(urb_zero_packet_chk(padapter, sz)==0)) */ /* (sz %512) != 0 */ if ((PACKET_OFFSET_SZ != 0) && (!bagg_pkt) && (rtw_usb_bulk_size_boundary(padapter, TXDESC_SIZE + sz) == _FALSE)) { ptxdesc = (struct tx_desc *)(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, sizeof(struct tx_desc)); /* 4 offset 0 */ ptxdesc->txdw0 |= cpu_to_le32(OWN | FSG | LSG); /* RTW_INFO("%s==> pkt_len=%d,bagg_pkt=%02x\n",__func__,sz,bagg_pkt); */ ptxdesc->txdw0 |= cpu_to_le32(sz & 0x0000ffff);/* update TXPKTSIZE */ offset = TXDESC_SIZE + OFFSET_SZ; #ifdef CONFIG_TX_EARLY_MODE if (bagg_pkt) { offset += EARLY_MODE_INFO_SIZE ;/* 0x28 */ } #endif /* RTW_INFO("%s==>offset(0x%02x)\n",__func__,offset); */ ptxdesc->txdw0 |= cpu_to_le32(((offset) << OFFSET_SHT) & 0x00ff0000);/* 32 bytes for TX Desc */ if (bmcst) ptxdesc->txdw0 |= cpu_to_le32(BMC); #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 /* RTW_INFO("%s, pkt_offset=0x%02x\n",__func__,pxmitframe->pkt_offset); */ /* pkt_offset, unit:8 bytes padding */ if (pxmitframe->pkt_offset > 0) ptxdesc->txdw1 |= cpu_to_le32((pxmitframe->pkt_offset << 26) & 0x7c000000); if ((pxmitframe->frame_tag & 0x0f) == DATA_FRAMETAG) { /* RTW_INFO("pxmitframe->frame_tag == DATA_FRAMETAG\n"); */ /* offset 4 */ ptxdesc->txdw1 |= cpu_to_le32(pattrib->mac_id & 0x3F); qsel = (uint)(pattrib->qsel & 0x0000001f); /* RTW_INFO("==> macid(%d) qsel:0x%02x\n",pattrib->mac_id,qsel); */ ptxdesc->txdw1 |= cpu_to_le32((qsel << QSEL_SHT) & 0x00001f00); ptxdesc->txdw1 |= cpu_to_le32((pattrib->raid << RATE_ID_SHT) & 0x000F0000); fill_txdesc_sectype(pattrib, ptxdesc); #if defined(CONFIG_CONCURRENT_MODE) if (bmcst) fill_txdesc_force_bmc_camid(pattrib, ptxdesc); #endif if (pattrib->ampdu_en == _TRUE) { ptxdesc->txdw2 |= cpu_to_le32(AGG_EN);/* AGG EN */ ptxdesc->txdw2 |= cpu_to_le32((pattrib->ampdu_spacing << AMPDU_DENSITY_SHT) & 0x00700000); /* SET_TX_DESC_MAX_AGG_NUM_88E(pDesc, 0x1F); */ /* SET_TX_DESC_MCSG1_MAX_LEN_88E(pDesc, 0x6); */ /* SET_TX_DESC_MCSG2_MAX_LEN_88E(pDesc, 0x6); */ /* SET_TX_DESC_MCSG3_MAX_LEN_88E(pDesc, 0x6); */ /* SET_TX_DESC_MCS7_SGI_MAX_LEN_88E(pDesc, 0x6); */ ptxdesc->txdw6 = cpu_to_le32(0x6666f800); } else { ptxdesc->txdw2 |= cpu_to_le32(AGG_BK);/* AGG BK */ } /* offset 8 */ /* offset 12 */ ptxdesc->txdw3 |= cpu_to_le32((pattrib->seqnum << SEQ_SHT) & 0x0FFF0000); /* offset 16 , offset 20 */ if (pattrib->qos_en) ptxdesc->txdw4 |= cpu_to_le32(QOS);/* QoS */ /* offset 20 */ #ifdef CONFIG_USB_TX_AGGREGATION if (pxmitframe->agg_num > 1) { /* RTW_INFO("%s agg_num:%d\n",__func__,pxmitframe->agg_num ); */ ptxdesc->txdw5 |= cpu_to_le32((pxmitframe->agg_num << USB_TXAGG_NUM_SHT) & 0xFF000000); } #endif if ((pattrib->ether_type != 0x888e) && (pattrib->ether_type != 0x0806) && (pattrib->ether_type != 0x88b4) && (pattrib->dhcp_pkt != 1)) { /* Non EAP & ARP & DHCP type data packet */ fill_txdesc_vcs(pattrib, &ptxdesc->txdw4); fill_txdesc_phy(pattrib, &ptxdesc->txdw4); ptxdesc->txdw4 |= cpu_to_le32(0x00000008);/* RTS Rate=24M */ ptxdesc->txdw5 |= cpu_to_le32(0x0001ff00);/* DATA/RTS Rate FB LMT */ #if (RATE_ADAPTIVE_SUPPORT == 1) if (pHalData->fw_ractrl == _FALSE) { /* driver-based RA*/ /* driver uses rate */ ptxdesc->txdw4 |= cpu_to_le32(USERATE);/* rate control always by driver */ if (pattrib->ht_en) sgi = odm_ra_get_sgi_8188e(&pHalData->odmpriv, pattrib->mac_id); data_rate = odm_ra_get_decision_rate_8188e(&pHalData->odmpriv, pattrib->mac_id); #if (POWER_TRAINING_ACTIVE == 1) pwr_status = odm_ra_get_hw_pwr_status_8188e(&pHalData->odmpriv, pattrib->mac_id); ptxdesc->txdw4 |= cpu_to_le32((pwr_status & 0x7) << PWR_STATUS_SHT); #endif } else #endif/* if (RATE_ADAPTIVE_SUPPORT == 1) */ { /* FW-based RA, TODO */ if (pattrib->ht_en) sgi = 1; data_rate = 0x13; /* default rate: MCS7 */ } if (padapter->fix_rate != 0xFF) { data_rate = padapter->fix_rate; ptxdesc->txdw4 |= cpu_to_le32(USERATE); if (!padapter->data_fb) ptxdesc->txdw4 |= cpu_to_le32(DISDATAFB); sgi = (padapter->fix_rate & BIT(7)) ? 1 : 0; } if (sgi) ptxdesc->txdw5 |= cpu_to_le32(SGI); ptxdesc->txdw5 |= cpu_to_le32(data_rate & 0x3F); } 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. */ /* driver uses rate */ ptxdesc->txdw4 |= cpu_to_le32(USERATE);/* rate control always by driver */ ptxdesc->txdw2 |= cpu_to_le32(AGG_BK);/* AGG BK */ if (pmlmeinfo->preamble_mode == PREAMBLE_SHORT) ptxdesc->txdw4 |= cpu_to_le32(BIT(24));/* DATA_SHORT */ ptxdesc->txdw5 |= cpu_to_le32(MRateToHwRate(pmlmeext->tx_rate)); } #ifdef CONFIG_TCP_CSUM_OFFLOAD_TX /* offset 24 */ if (pattrib->hw_tcp_csum == 1) { /* ptxdesc->txdw6 = 0; */ /* clear TCP_CHECKSUM and IP_CHECKSUM. It's zero already!! */ u8 ip_hdr_offset = 32 + pattrib->hdrlen + pattrib->iv_len + 8; ptxdesc->txdw7 = (1 << 31) | (ip_hdr_offset << 16); RTW_INFO("ptxdesc->txdw7 = %08x\n", ptxdesc->txdw7); } #endif #ifdef CONFIG_TDLS #ifdef CONFIG_XMIT_ACK /* CCX-TXRPT ack for xmit mgmt frames. */ if (pxmitframe->ack_report) { #ifdef DBG_CCX static u16 ccx_sw = 0x123; ptxdesc->txdw7 |= cpu_to_le32(((ccx_sw) << 16) & 0x0fff0000); RTW_INFO("%s set ccx, sw:0x%03x\n", __func__, ccx_sw); ccx_sw = (ccx_sw + 1) % 0xfff; #endif ptxdesc->txdw2 |= cpu_to_le32(BIT(19)); } #endif /* CONFIG_XMIT_ACK */ #endif } else if ((pxmitframe->frame_tag & 0x0f) == MGNT_FRAMETAG) { /* RTW_INFO("pxmitframe->frame_tag == MGNT_FRAMETAG\n"); */ /* driver uses rate */ ptxdesc->txdw4 |= cpu_to_le32(USERATE);/* rate control always by driver */ /* offset 4 */ ptxdesc->txdw1 |= cpu_to_le32(pattrib->mac_id & 0x3f); qsel = (uint)(pattrib->qsel & 0x0000001f); ptxdesc->txdw1 |= cpu_to_le32((qsel << QSEL_SHT) & 0x00001f00); ptxdesc->txdw1 |= cpu_to_le32((pattrib->raid << RATE_ID_SHT) & 0x000f0000); /* fill_txdesc_sectype(pattrib, ptxdesc); */ /* offset 8 */ #ifdef CONFIG_XMIT_ACK /* CCX-TXRPT ack for xmit mgmt frames. */ if (pxmitframe->ack_report) { #ifdef DBG_CCX static u16 ccx_sw = 0x123; ptxdesc->txdw7 |= cpu_to_le32(((ccx_sw) << 16) & 0x0fff0000); RTW_INFO("%s set ccx, sw:0x%03x\n", __func__, ccx_sw); ccx_sw = (ccx_sw + 1) % 0xfff; #endif ptxdesc->txdw2 |= cpu_to_le32(BIT(19)); } #endif /* CONFIG_XMIT_ACK */ /* offset 12 */ ptxdesc->txdw3 |= cpu_to_le32((pattrib->seqnum << SEQ_SHT) & 0x0FFF0000); /* offset 20 */ ptxdesc->txdw5 |= cpu_to_le32(RTY_LMT_EN);/* retry limit enable */ if (pattrib->retry_ctrl == _TRUE) ptxdesc->txdw5 |= cpu_to_le32(0x00180000);/* retry limit = 6 */ else ptxdesc->txdw5 |= cpu_to_le32(0x00300000);/* retry limit = 12 */ ptxdesc->txdw5 |= cpu_to_le32(MRateToHwRate(pattrib->rate)); } else if ((pxmitframe->frame_tag & 0x0f) == TXAGG_FRAMETAG) 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, (u8 *)ptxdesc); #endif else { RTW_INFO("pxmitframe->frame_tag = %d\n", pxmitframe->frame_tag); /* offset 4 */ ptxdesc->txdw1 |= cpu_to_le32((4) & 0x3f); /* CAM_ID(MAC_ID) */ ptxdesc->txdw1 |= cpu_to_le32((6 << RATE_ID_SHT) & 0x000f0000); /* raid */ /* offset 8 */ /* offset 12 */ ptxdesc->txdw3 |= cpu_to_le32((pattrib->seqnum << SEQ_SHT) & 0x0fff0000); /* offset 20 */ ptxdesc->txdw5 |= cpu_to_le32(MRateToHwRate(pmlmeext->tx_rate)); } /* 2009.11.05. tynli_test. Suggested by SD4 Filen for FW LPS. */ /* (1) The sequence number of each non-Qos frame / broadcast / multicast / */ /* mgnt frame should be controled by Hw because Fw will also send null data */ /* which we cannot control when Fw LPS enable. */ /* --> default enable non-Qos data sequense number. 2010.06.23. by tynli. */ /* (2) Enable HW SEQ control for beacon packet, because we use Hw beacon. */ /* (3) Use HW Qos SEQ to control the seq num of Ext port non-Qos packets. */ /* 2010.06.23. Added by tynli. */ if (!pattrib->qos_en) { /* 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. */ ptxdesc->txdw3 |= cpu_to_le32(EN_HWSEQ); /* Hw set sequence number */ ptxdesc->txdw4 |= cpu_to_le32(HW_SSN); /* Hw set sequence number */ } #ifdef CONFIG_ANTENNA_DIVERSITY odm_set_tx_ant_by_tx_info(&pHalData->odmpriv, pmem, pattrib->mac_id); #endif rtl8188eu_cal_txdesc_chksum(ptxdesc); _dbg_dump_tx_info(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 rtl8188eu_xmit_buf_handler(PADAPTER padapter) { /* PHAL_DATA_TYPE phal; */ struct xmit_priv *pxmitpriv; struct xmit_buf *pxmitbuf; 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)) { return _FAIL; } if (rtw_mi_check_pending_xmitbuf(padapter) == 0) return _SUCCESS; #ifdef CONFIG_LPS_LCLK ret = rtw_register_tx_alive(padapter); if (ret != _SUCCESS) { return _SUCCESS; } #endif do { pxmitbuf = dequeue_pending_xmitbuf(pxmitpriv); if (pxmitbuf == NULL) break; rtw_write_port(padapter, pxmitbuf->ff_hwaddr, pxmitbuf->len, (unsigned char *)pxmitbuf); } while (1); #ifdef CONFIG_LPS_LCLK rtw_unregister_tx_alive(padapter); #endif return _SUCCESS; } #endif #ifdef CONFIG_IOL_IOREG_CFG_DBG #include #endif /* for non-agg data frame or management frame */ static s32 rtw_dump_xframe(_adapter *padapter, struct xmit_frame *pxmitframe) { s32 ret = _SUCCESS; s32 inner_ret = _SUCCESS; int t, sz, w_sz, pull = 0; u8 *mem_addr; u32 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; #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); #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; pull = update_txdesc(pxmitframe, mem_addr, sz, _FALSE); if (pull) { mem_addr += PACKET_OFFSET_SZ; /* pull txdesc head */ /* pxmitbuf->pbuf = mem_addr; */ pxmitframe->buf_addr = mem_addr; w_sz = sz + TXDESC_SIZE; } else w_sz = sz + TXDESC_SIZE + PACKET_OFFSET_SZ; #ifdef CONFIG_IOL_IOREG_CFG_DBG rtw_IOL_cmd_buf_dump(padapter, w_sz, pxmitframe->buf_addr); #endif ff_hwaddr = rtw_get_ff_hwaddr(pxmitframe); #ifdef CONFIG_XMIT_THREAD_MODE pxmitbuf->len = w_sz; pxmitbuf->ff_hwaddr = ff_hwaddr; enqueue_pending_xmitbuf(pxmitpriv, pxmitbuf); #else /* RTW_INFO("%s: rtw_write_port size =%d\n", __func__,w_sz); */ 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))); } 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 static u32 xmitframe_need_length(struct xmit_frame *pxmitframe) { struct pkt_attrib *pattrib = &pxmitframe->attrib; u32 len = 0; /* no consider fragement */ len = pattrib->hdrlen + pattrib->iv_len + SNAP_SIZE + sizeof(u16) + pattrib->pktlen + ((pattrib->bswenc) ? pattrib->icv_len : 0); if (pattrib->encrypt == _TKIP_) len += 8; return len; } #define IDEA_CONDITION 1 /* check all packets before enqueue */ s32 rtl8188eu_xmitframe_complete(_adapter *padapter, struct xmit_priv *pxmitpriv, struct xmit_buf *pxmitbuf) { HAL_DATA_TYPE *pHalData = GET_HAL_DATA(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 */ u32 ff_hwaddr; _list *sta_plist, *sta_phead; u8 single_sta_in_queue = _FALSE; #ifndef IDEA_CONDITION int res = _SUCCESS; #endif /* check xmitbuffer is ok */ if (pxmitbuf == NULL) { pxmitbuf = rtw_alloc_xmitbuf(pxmitpriv); if (pxmitbuf == NULL) { /* RTW_INFO("%s #1, connot alloc xmitbuf!!!!\n",__func__); */ return _FALSE; } } /* RTW_INFO("%s =====================================\n",__func__); */ /* 3 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("no more xmit frame ,return\n"); */ rtw_free_xmitbuf(pxmitpriv, pxmitbuf); return _FALSE; } #ifndef IDEA_CONDITION 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 /* RTW_INFO("==> pxmitframe->attrib.priority:%d\n",pxmitframe->attrib.priority); */ 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 pxmitframe->pkt_offset = (PACKET_OFFSET_SZ / 8) + 1; /* 2; */ /* first frame of aggregation, reserve one offset for EM info ,another for usb bulk-out block check */ #else pxmitframe->pkt_offset = (PACKET_OFFSET_SZ / 8); /* 1; */ /* first frame of aggregation, reserve offset */ #endif if (rtw_xmitframe_coalesce(padapter, pxmitframe->pkt, pxmitframe) == _FALSE) { 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); /* 3 2. aggregate same priority and same DA(AP or STA) frames */ pfirstframe = pxmitframe; len = xmitframe_need_length(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; */ psta = rtw_get_stainfo(&padapter->stapriv, pfirstframe->attrib.ra); if (pfirstframe->attrib.psta != psta) RTW_INFO("%s, pattrib->psta(%p) != psta(%p)\n", __func__, pfirstframe->attrib.psta, psta); if (psta == NULL) RTW_INFO("rtw_xmit_classifier: psta == NULL\n"); if (!(psta->state & _FW_LINKED)) RTW_INFO("%s, psta->state(0x%x) != _FW_LINKED\n", __func__, psta->state); 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 = xmitframe_need_length(pxmitframe) + TXDESC_SIZE + (pxmitframe->pkt_offset * PACKET_OFFSET_SZ); if (_RND8(pbuf + len) > MAX_XMITBUF_SZ) /* if (_RND8(pbuf + len) > (MAX_XMITBUF_SZ/2))//to do : for TX TP finial tune , Georgia 2012-0323 */ { /* 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->pxmitbuf = pxmitbuf; */ pxmitframe->buf_addr = pxmitbuf->pbuf + pbuf; if (rtw_xmitframe_coalesce(padapter, pxmitframe->pkt, pxmitframe) == _FALSE) { RTW_INFO("%s coalesce failed\n", __func__); rtw_free_xmitframe(pxmitpriv, pxmitframe); continue; } /* RTW_INFO("==> pxmitframe->attrib.priority:%d\n",pxmitframe->attrib.priority); */ /* always return ndis_packet after rtw_xmitframe_coalesce */ rtw_os_xmit_complete(padapter, pxmitframe); /* (len - TXDESC_SIZE) == pxmitframe->attrib.last_txcmdsz */ 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 == 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); #endif /* CONFIG_80211N_HT */ #ifndef CONFIG_USE_USB_BUFFER_ALLOC_TX /* 3 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--; /* RTW_INFO("$$$$$ buf size equal to USB block size $$$$$$\n"); */ } #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)); pxmitpriv->agg_pkt[0].pkt_len = pfirstframe->attrib.last_txcmdsz;/* get from rtw_xmitframe_coalesce */ UpdateEarlyModeInfo8188E(pxmitpriv, pxmitbuf); #endif /* 3 4. write xmit buffer to USB FIFO */ ff_hwaddr = rtw_get_ff_hwaddr(pfirstframe); /* RTW_INFO("%s ===================================== write port,buf_size(%d)\n",__func__,pbuf_tail); */ /* xmit address == ((xmit_frame*)pxmitbuf->priv_data)->buf_addr */ rtw_write_port(padapter, ff_hwaddr, pbuf_tail, (u8 *)pxmitbuf); /* 3 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); rtw_free_xmitframe(pxmitpriv, pfirstframe); return _TRUE; } #else s32 rtl8188eu_xmitframe_complete(_adapter *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; 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) { if (pxmitframe->attrib.priority <= 15) /* TID0~15 */ res = rtw_xmitframe_coalesce(padapter, pxmitframe->pkt, pxmitframe); /* RTW_INFO("==> pxmitframe->attrib.priority:%d\n",pxmitframe->attrib.priority); */ 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 s32 xmitframe_direct(_adapter *padapter, struct xmit_frame *pxmitframe) { s32 res = _SUCCESS; /* RTW_INFO("==> %s\n",__func__); */ 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__); return res; } /* * Return * _TRUE dump packet directly * _FALSE enqueue packet */ static s32 pre_xmitframe(_adapter *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); /* RTW_INFO("==> %s\n",__func__); */ if (rtw_txframes_sta_ac_pending(padapter, pattrib) > 0) { /* RTW_INFO("enqueue AC(%d)\n",pattrib->priority); */ 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 rtl8188eu_mgnt_xmit(_adapter *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 rtl8188eu_hal_xmit(_adapter *padapter, struct xmit_frame *pxmitframe) { return pre_xmitframe(padapter, pxmitframe); } s32 rtl8188eu_hal_xmitframe_enqueue(_adapter *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 { tasklet_hi_schedule(&pxmitpriv->xmit_tasklet); } return err; } #ifdef CONFIG_HOSTAPD_MLME static void rtl8188eu_hostap_mgnt_xmit_cb(struct urb *urb) { struct sk_buff *skb = (struct sk_buff *)urb->context; rtw_skb_free(skb); } s32 rtl8188eu_hostap_mgnt_xmit_entry(_adapter *padapter, _pkt *pkt) { 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. */ rtl8188eu_cal_txdesc_chksum(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 = ffaddr2pipehdl(pdvobj, MGT_QUEUE_INX); */ 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); return 0; } #endif