diff options
Diffstat (limited to 'drivers/net/wireless/rtlwifi/rtl8723as/hal/rtl8723a/usb/rtl8723au_xmit.c')
| -rwxr-xr-x | drivers/net/wireless/rtlwifi/rtl8723as/hal/rtl8723a/usb/rtl8723au_xmit.c | 1230 |
1 files changed, 1230 insertions, 0 deletions
diff --git a/drivers/net/wireless/rtlwifi/rtl8723as/hal/rtl8723a/usb/rtl8723au_xmit.c b/drivers/net/wireless/rtlwifi/rtl8723as/hal/rtl8723a/usb/rtl8723au_xmit.c new file mode 100755 index 000000000000..1ab9bafb7338 --- /dev/null +++ b/drivers/net/wireless/rtlwifi/rtl8723as/hal/rtl8723a/usb/rtl8723au_xmit.c @@ -0,0 +1,1230 @@ +/****************************************************************************** + * + * 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 _RTL8192C_XMIT_C_ +#include <drv_conf.h> +#include <osdep_service.h> +#include <drv_types.h> +#include <rtw_byteorder.h> +#include <wifi.h> +#include <osdep_intf.h> +#include <circ_buf.h> +#include <usb_ops.h> +//#include <rtl8192c_hal.h> +#include <rtl8723a_hal.h> +#if defined (PLATFORM_LINUX) && defined (PLATFORM_WINDOWS) +#error "Shall be Linux or Windows, but not both!\n" +#endif + + +s32 rtl8192cu_init_xmit_priv(_adapter *padapter) +{ + struct xmit_priv *pxmitpriv = &padapter->xmitpriv; + +#ifdef PLATFORM_LINUX + tasklet_init(&pxmitpriv->xmit_tasklet, + (void(*)(unsigned long))rtl8192cu_xmit_tasklet, + (unsigned long)padapter); +#endif + return _SUCCESS; +} + +void rtl8192cu_free_xmit_priv(_adapter *padapter) +{ +} + +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; +} + +int urb_zero_packet_chk(_adapter *padapter, int sz) +{ + int blnSetTxDescOffset; + struct dvobj_priv *pdvobj = adapter_to_dvobj(padapter); + + if ( pdvobj->ishighspeed ) + { + if ( ( (sz + TXDESC_SIZE) % 512 ) == 0 ) { + blnSetTxDescOffset = 1; + } else { + blnSetTxDescOffset = 0; + } + } + else + { + if ( ( (sz + TXDESC_SIZE) % 64 ) == 0 ) { + blnSetTxDescOffset = 1; + } else { + blnSetTxDescOffset = 0; + } + } + + return blnSetTxDescOffset; + +} + +void rtl8192cu_cal_txdesc_chksum(struct tx_desc *ptxdesc) +{ + u16 *usPtr = (u16*)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); + +} + +void fill_txdesc_sectype(struct pkt_attrib *pattrib, struct tx_desc *ptxdesc) +{ + if ((pattrib->encrypt > 0) && !pattrib->bswenc) + { + switch (pattrib->encrypt) + { + //SEC_TYPE + case _WEP40_: + case _WEP104_: + ptxdesc->txdw1 |= cpu_to_le32((0x01<<22)&0x00c00000); + break; + case _TKIP_: + case _TKIP_WTMIC_: + //ptxdesc->txdw1 |= cpu_to_le32((0x02<<22)&0x00c00000); + ptxdesc->txdw1 |= cpu_to_le32((0x01<<22)&0x00c00000); + break; + case _AES_: + ptxdesc->txdw1 |= cpu_to_le32((0x03<<22)&0x00c00000); + break; + case _NO_PRIVACY_: + default: + break; + + } + + } + +} + +void fill_txdesc_vcs(struct pkt_attrib *pattrib, u32 *pdw) +{ + //DBG_8192C("cvs_mode=%d\n", pattrib->vcs_mode); + + switch(pattrib->vcs_mode) + { + case RTS_CTS: + *pdw |= cpu_to_le32(BIT(12)); + break; + case CTS_TO_SELF: + *pdw |= cpu_to_le32(BIT(11)); + break; + case NONE_VCS: + default: + break; + } + + if(pattrib->vcs_mode) { + *pdw |= cpu_to_le32(BIT(13)); + + // Set RTS BW + if(pattrib->ht_en) + { + *pdw |= (pattrib->bwmode&HT_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); + } + } +} + +void fill_txdesc_phy(struct pkt_attrib *pattrib, u32 *pdw) +{ + //DBG_8192C("bwmode=%d, ch_off=%d\n", pattrib->bwmode, pattrib->ch_offset); + + if(pattrib->ht_en) + { + *pdw |= (pattrib->bwmode&HT_CHANNEL_WIDTH_40)? cpu_to_le32(BIT(25)):0; + + if(pattrib->ch_offset == HAL_PRIME_CHNL_OFFSET_LOWER) + *pdw |= cpu_to_le32((0x01<<20)&0x003f0000); + else if(pattrib->ch_offset == HAL_PRIME_CHNL_OFFSET_UPPER) + *pdw |= cpu_to_le32((0x02<<20)&0x003f0000); + else if(pattrib->ch_offset == HAL_PRIME_CHNL_OFFSET_DONT_CARE) + *pdw |= 0; + else + *pdw |= cpu_to_le32((0x03<<20)&0x003f0000); + } +} + +static s32 update_txdesc(struct xmit_frame *pxmitframe, u8 *pmem, s32 sz, u8 bagg_pkt) +{ + int pull=0; + uint qsel; + _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 dm_priv *pdmpriv = &pHalData->dmpriv; + struct tx_desc *ptxdesc = (struct tx_desc *)pmem; + struct ht_priv *phtpriv = &pmlmepriv->htpriv; + 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((_FALSE == bagg_pkt) && (urb_zero_packet_chk(padapter, sz)==0)) + { + ptxdesc = (struct tx_desc *)(pmem+PACKET_OFFSET_SZ); + pull = 1; + pxmitframe->pkt_offset --; + } +#endif // CONFIG_USE_USB_BUFFER_ALLOC_TX + + _rtw_memset(ptxdesc, 0, sizeof(struct tx_desc)); + + if((pxmitframe->frame_tag&0x0f) == DATA_FRAMETAG) + { + //DBG_8192C("pxmitframe->frame_tag == DATA_FRAMETAG\n"); + + //offset 4 + ptxdesc->txdw1 |= cpu_to_le32(pattrib->mac_id&0x1f); + + qsel = (uint)(pattrib->qsel & 0x0000001f); + ptxdesc->txdw1 |= cpu_to_le32((qsel << QSEL_SHT) & 0x00001f00); + + ptxdesc->txdw1 |= cpu_to_le32((pattrib->raid<< 16) & 0x000f0000); + + fill_txdesc_sectype(pattrib, ptxdesc); + + if(pattrib->ampdu_en==_TRUE) + ptxdesc->txdw1 |= cpu_to_le32(BIT(5));//AGG EN + else + ptxdesc->txdw1 |= cpu_to_le32(BIT(6));//AGG BK + + //offset 8 + + + //offset 12 + ptxdesc->txdw3 |= cpu_to_le32((pattrib->seqnum<<16)&0xffff0000); + + + //offset 16 , offset 20 + if (pattrib->qos_en) + ptxdesc->txdw4 |= cpu_to_le32(BIT(6));//QoS + + if ((pattrib->ether_type != 0x888e) && (pattrib->ether_type != 0x0806) && (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);// + //ptxdesc->txdw5 |= cpu_to_le32(0x0000000b);//DataRate - 54M + + //use REG_INIDATA_RATE_SEL value + ptxdesc->txdw5 |= cpu_to_le32(pdmpriv->INIDATA_RATE[pattrib->mac_id]); + + if(0)//for driver dbg + { + ptxdesc->txdw4 |= cpu_to_le32(BIT(8));//driver uses rate + + if(pattrib->ht_en) + ptxdesc->txdw5 |= cpu_to_le32(BIT(6));//SGI + + ptxdesc->txdw5 |= cpu_to_le32(0x00000013);//init rate - mcs7 + } + + } + else + { + // EAP data packet and ARP packet. + // Use the 1M data rate to send the EAP/ARP packet. + // This will maybe make the handshake smooth. + + ptxdesc->txdw1 |= cpu_to_le32(BIT(6));//AGG BK + + ptxdesc->txdw4 |= cpu_to_le32(BIT(8));//driver uses rate + + if (pmlmeinfo->preamble_mode == PREAMBLE_SHORT) + ptxdesc->txdw4 |= cpu_to_le32(BIT(24));// DATA_SHORT + + ptxdesc->txdw5 |= cpu_to_le32(MRateToHwRate(pmlmeext->tx_rate)); + } + + //offset 24 +#ifdef CONFIG_TCP_CSUM_OFFLOAD_TX + 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); + DBG_8192C("ptxdesc->txdw7 = %08x\n", ptxdesc->txdw7); + } +#endif + } + else if((pxmitframe->frame_tag&0x0f)== MGNT_FRAMETAG) + { + //DBG_8192C("pxmitframe->frame_tag == MGNT_FRAMETAG\n"); + + //offset 4 + ptxdesc->txdw1 |= cpu_to_le32(pattrib->mac_id&0x1f); + + qsel = (uint)(pattrib->qsel&0x0000001f); + ptxdesc->txdw1 |= cpu_to_le32((qsel<<QSEL_SHT)&0x00001f00); + + ptxdesc->txdw1 |= cpu_to_le32((pattrib->raid<< 16) & 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>>8)&0x0f)<<16) | (((ccx_sw>>4)&0x0f)<<28) | (((ccx_sw)&0x0f)<<24)); + DBG_871X("%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<<16)&0xffff0000); + + //offset 16 + ptxdesc->txdw4 |= cpu_to_le32(BIT(8));//driver uses rate + + //offset 20 + ptxdesc->txdw5 |= cpu_to_le32(BIT(17));//retry limit enable + ptxdesc->txdw5 |= cpu_to_le32(0x00180000);//retry limit = 6 + +#ifdef CONFIG_INTEL_PROXIM + if((padapter->proximity.proxim_on==_TRUE)&&(pattrib->intel_proxim==_TRUE)){ + DBG_871X("\n %s pattrib->rate=%d\n",__FUNCTION__,pattrib->rate); + ptxdesc->txdw5 |= cpu_to_le32( pattrib->rate); + } + else +#endif + { + ptxdesc->txdw5 |= cpu_to_le32(MRateToHwRate(pmlmeext->tx_rate)); + } + } + else if((pxmitframe->frame_tag&0x0f) == TXAGG_FRAMETAG) + { + DBG_8192C("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 + { + DBG_8192C("pxmitframe->frame_tag = %d\n", pxmitframe->frame_tag); + + //offset 4 + ptxdesc->txdw1 |= cpu_to_le32((4)&0x1f);//CAM_ID(MAC_ID) + + ptxdesc->txdw1 |= cpu_to_le32((6<< 16) & 0x000f0000);//raid + + //offset 8 + + //offset 12 + ptxdesc->txdw3 |= cpu_to_le32((pattrib->seqnum<<16)&0xffff0000); + + //offset 16 + ptxdesc->txdw4 |= cpu_to_le32(BIT(8));//driver uses rate + + //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. + } + + //offset 0 + ptxdesc->txdw0 |= cpu_to_le32(sz&0x0000ffff); + ptxdesc->txdw0 |= cpu_to_le32(OWN | FSG | LSG); + ptxdesc->txdw0 |= cpu_to_le32(((TXDESC_SIZE+OFFSET_SZ)<<OFFSET_SHT)&0x00ff0000);//32 bytes for TX Desc + + if(bmcst) + { + ptxdesc->txdw0 |= cpu_to_le32(BIT(24)); + } + + RT_TRACE(_module_rtl871x_xmit_c_,_drv_info_,("offset0-txdesc=0x%x\n", ptxdesc->txdw0)); + + //offset 4 + // pkt_offset, unit:8 bytes padding + if (pxmitframe->pkt_offset > 0) + ptxdesc->txdw1 |= cpu_to_le32((pxmitframe->pkt_offset << 26) & 0x7c000000); + +#ifdef CONFIG_USB_TX_AGGREGATION + if (pxmitframe->agg_num > 1) + ptxdesc->txdw5 |= cpu_to_le32((pxmitframe->agg_num << 24) & 0xff000000); +#endif + + rtl8192cu_cal_txdesc_chksum(ptxdesc); + + return pull; + +} + +#ifdef CONFIG_XMIT_THREAD_MODE +/* + * Description + * Transmit xmitbuf to hardware tx fifo + * + * Return + * _SUCCESS ok + * _FAIL something error + */ +s32 rtl8723au_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) { + RT_TRACE(_module_hal_xmit_c_, _drv_emerg_, + ("%s: down SdioXmitBufSema fail!\n", __FUNCTION__)); + return _FAIL; + } + + ret = (padapter->bDriverStopped == _TRUE) || (padapter->bSurpriseRemoved == _TRUE); + if (ret) { + RT_TRACE(_module_hal_xmit_c_, _drv_notice_, + ("%s: bDriverStopped(%d) bSurpriseRemoved(%d)!\n", + __FUNCTION__, padapter->bDriverStopped, padapter->bSurpriseRemoved)); + return _FAIL; + } + + if(check_pending_xmitbuf(pxmitpriv) == _FALSE) + return _SUCCESS; + +#ifdef CONFIG_LPS_LCLK + ret = rtw_register_tx_alive(padapter); + if (ret != _SUCCESS) { + RT_TRACE(_module_hal_xmit_c_, _drv_notice_, + ("%s: wait to leave LPS_LCLK\n", __FUNCTION__)); + 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 + + +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; + + if ((pxmitframe->frame_tag == DATA_FRAMETAG) && + (pxmitframe->attrib.ether_type != 0x0806) && + (pxmitframe->attrib.ether_type != 0x888e) && + (pxmitframe->attrib.dhcp_pkt != 1)) + { + rtw_issue_addbareq_cmd(padapter, pxmitframe); + } + + mem_addr = pxmitframe->buf_addr; + + RT_TRACE(_module_rtl871x_xmit_c_,_drv_info_,("rtw_dump_xframe()\n")); + + for (t = 0; t < pattrib->nr_frags; t++) + { + if (inner_ret != _SUCCESS && ret == _SUCCESS) + ret = _FAIL; + + if (t != (pattrib->nr_frags - 1)) + { + RT_TRACE(_module_rtl871x_xmit_c_,_drv_err_,("pattrib->nr_frags=%d\n", pattrib->nr_frags)); + + 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; + } + + 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 + inner_ret = rtw_write_port(padapter, ff_hwaddr, w_sz, (unsigned char*)pxmitbuf); +#endif + rtw_count_tx_stats(padapter, pxmitframe, sz); + + + RT_TRACE(_module_rtl871x_xmit_c_,_drv_info_,("rtw_write_port, w_sz=%d\n", w_sz)); + //DBG_8192C("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 rtl8192cu_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; + +#ifndef IDEA_CONDITION + int res = _SUCCESS; +#endif + + RT_TRACE(_module_rtl8192c_xmit_c_, _drv_info_, ("+xmitframe_complete\n")); + + + // check xmitbuffer is ok + if (pxmitbuf == NULL) { + pxmitbuf = rtw_alloc_xmitbuf(pxmitpriv); + if (pxmitbuf == NULL) return _FALSE; + } + + + //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_free_xmitbuf(pxmitpriv, pxmitbuf); + return _FALSE; + } + + +#ifndef IDEA_CONDITION + if (pxmitframe->frame_tag != DATA_FRAMETAG) { + RT_TRACE(_module_rtl8192c_xmit_c_, _drv_err_, + ("xmitframe_complete: frame tag(%d) is not DATA_FRAMETAG(%d)!\n", + pxmitframe->frame_tag, DATA_FRAMETAG)); +// rtw_free_xmitframe(pxmitpriv, pxmitframe); + continue; + } + + // TID 0~15 + if ((pxmitframe->attrib.priority < 0) || + (pxmitframe->attrib.priority > 15)) { + RT_TRACE(_module_rtl8192c_xmit_c_, _drv_err_, + ("xmitframe_complete: TID(%d) should be 0~15!\n", + pxmitframe->attrib.priority)); +// rtw_free_xmitframe(pxmitpriv, pxmitframe); + continue; + } +#endif + + pxmitframe->pxmitbuf = pxmitbuf; + pxmitframe->buf_addr = pxmitbuf->pbuf; + pxmitbuf->priv_data = pxmitframe; + + //pxmitframe->agg_num = 1; // alloc xmitframe should assign to 1. + pxmitframe->pkt_offset = 1; // first frame of aggregation, reserve offset + + if (rtw_xmitframe_coalesce(padapter, pxmitframe->pkt, pxmitframe) == _FALSE) { + DBG_871X("%s coalesce 1st xmitframe failed \n",__FUNCTION__); + 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_OFFSET; + pbuf_tail = len; + pbuf = _RND8(pbuf_tail); + + // check pkt amount in one bluk + descCount = 0; + bulkPtr = bulkSize; + if (pbuf < bulkPtr) + descCount++; + 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; + } + + _enter_critical_bh(&pxmitpriv->lock, &irqL); + + 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); + + len = xmitframe_need_length(pxmitframe) + TXDESC_SIZE; // no offset + if (pbuf + len > MAX_XMITBUF_SZ) 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) { + RT_TRACE(_module_rtl8192c_xmit_c_, _drv_err_, + ("xmitframe_complete: frame tag(%d) is not DATA_FRAMETAG(%d)!\n", + pxmitframe->frame_tag, DATA_FRAMETAG)); + rtw_free_xmitframe(pxmitpriv, pxmitframe); + continue; + } + + // TID 0~15 + if ((pxmitframe->attrib.priority < 0) || + (pxmitframe->attrib.priority > 15)) { + RT_TRACE(_module_rtl8192c_xmit_c_, _drv_err_, + ("xmitframe_complete: TID(%d) should be 0~15!\n", + pxmitframe->attrib.priority)); + rtw_free_xmitframe(pxmitpriv, pxmitframe); + continue; + } +#endif + +// pxmitframe->pxmitbuf = pxmitbuf; + pxmitframe->buf_addr = pxmitbuf->pbuf + pbuf; + + pxmitframe->agg_num = 0; // not first frame of aggregation + pxmitframe->pkt_offset = 0; // not first frame of aggregation, no need to reserve offset + + if (rtw_xmitframe_coalesce(padapter, pxmitframe->pkt, pxmitframe) == _FALSE) { + DBG_871X("%s coalesce failed \n",__FUNCTION__); + rtw_free_xmitframe(pxmitpriv, pxmitframe); + continue; + } + + + // 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++; + 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; + } + } + if (_rtw_queue_empty(&ptxservq->sta_pending) == _TRUE) + rtw_list_delete(&ptxservq->tx_pending); + + _exit_critical_bh(&pxmitpriv->lock, &irqL); + + if ((pfirstframe->attrib.ether_type != 0x0806) && + (pfirstframe->attrib.ether_type != 0x888e) && + (pfirstframe->attrib.dhcp_pkt != 1)) + { + rtw_issue_addbareq_cmd(padapter, pfirstframe); + } + +#ifndef CONFIG_USE_USB_BUFFER_ALLOC_TX + //3 3. update first frame txdesc + if ((pbuf_tail % bulkSize) == 0) { + // remove pkt_offset + pbuf_tail -= PACKET_OFFSET_SZ; + pfirstframe->buf_addr += PACKET_OFFSET_SZ; + pfirstframe->pkt_offset = 0; + } +#endif // CONFIG_USE_USB_BUFFER_ALLOC_TX + update_txdesc(pfirstframe, pfirstframe->buf_addr, pfirstframe->attrib.last_txcmdsz, _TRUE); + + //3 4. write xmit buffer to USB FIFO + ff_hwaddr = rtw_get_ff_hwaddr(pfirstframe); + + // 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); + if (pfirstframe->pkt_offset == 1) pbuf_tail -= PACKET_OFFSET_SZ; + + rtw_count_tx_stats(padapter, pfirstframe, pbuf_tail); + + rtw_free_xmitframe(pxmitpriv, pfirstframe); + + return _TRUE; +} + +#else + +s32 rtl8192cu_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; + + RT_TRACE(_module_rtl871x_xmit_c_,_drv_info_,("xmitframe_complete()\n")); + + 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_os_xmit_complete(padapter, pxmitframe);//always return ndis_packet after rtw_xmitframe_coalesce + } + + + RT_TRACE(_module_rtl871x_xmit_c_,_drv_info_,("xmitframe_complete(): rtw_dump_xframe\n")); + + + 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; + + + res = rtw_xmitframe_coalesce(padapter, pxmitframe->pkt, pxmitframe); + if (res == _SUCCESS) { + rtw_dump_xframe(padapter, pxmitframe); + } + + 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; +#ifdef CONFIG_TDLS + struct mlme_ext_priv *pmlmeext = &(padapter->mlmeextpriv); + struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info); + //HAL_DATA_TYPE *pHalData = GET_HAL_DATA(padapter); +#endif +#ifdef CONFIG_CONCURRENT_MODE + PADAPTER pbuddy_adapter = padapter->pbuddy_adapter; + struct mlme_priv *pbuddy_mlmepriv = &(pbuddy_adapter->mlmepriv); +#endif + + do_queue_select(padapter, pattrib); + + _enter_critical_bh(&pxmitpriv->lock, &irqL); + +#ifndef CONFIG_TDLS +#ifdef CONFIG_AP_MODE + if(xmitframe_enqueue_for_sleeping_sta(padapter, pxmitframe) == _TRUE) + { + struct sta_info *psta; + struct sta_priv *pstapriv = &padapter->stapriv; + + + _exit_critical_bh(&pxmitpriv->lock, &irqL); + + if(pattrib->psta) + { + psta = pattrib->psta; + } + else + { + psta=rtw_get_stainfo(pstapriv, pattrib->ra); + } + + if(psta) + { + if(psta->sleepq_len > (NR_XMITFRAME>>3)) + { + wakeup_sta_to_xmit(padapter, psta); + } + } + + return _FALSE; + } +#endif +//else CONFIG_TDLS, process as TDLS Buffer STA +#else + if(pmlmeinfo->tdls_setup_state&TDLS_LINKED_STATE ){ //&& pattrib->ether_type!=0x0806) + res = xmit_tdls_enqueue_for_sleeping_sta(padapter, pxmitframe); + if(res==_TRUE){ + _exit_critical_bh(&pxmitpriv->lock, &irqL); + return _FALSE; + }else if(res==2){ + goto enqueue; + } + } +#endif + + if (rtw_txframes_sta_ac_pending(padapter, pattrib) > 0) + goto enqueue; + + if (check_fwstate(pmlmepriv, _FW_UNDER_SURVEY|_FW_UNDER_LINKING) == _TRUE) + goto enqueue; + +#ifdef CONFIG_CONCURRENT_MODE + if (check_fwstate(pbuddy_mlmepriv, _FW_UNDER_SURVEY|_FW_UNDER_LINKING) == _TRUE) + goto enqueue; +#endif + + 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) { + RT_TRACE(_module_xmit_osdep_c_, _drv_err_, ("pre_xmitframe: enqueue xmitframe fail\n")); + rtw_free_xmitframe(pxmitpriv, pxmitframe); + + // Trick, make the statistics correct + pxmitpriv->tx_pkts--; + pxmitpriv->tx_drop++; + return _TRUE; + } + + return _FALSE; +} + +s32 rtl8192cu_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 rtl8192cu_hal_xmit(_adapter *padapter, struct xmit_frame *pxmitframe) +{ + return pre_xmitframe(padapter, pxmitframe); +} + +s32 rtl8723au_hal_xmitframe_enqueue(_adapter *padapter, struct xmit_frame *pxmitframe) +{ + struct xmit_priv *pxmitpriv = &padapter->xmitpriv; + s32 err; + + if ((err=rtw_xmitframe_enqueue(padapter, pxmitframe)) != _SUCCESS) + { + rtw_free_xmitframe(pxmitpriv, pxmitframe); + + // Trick, make the statistics correct + pxmitpriv->tx_pkts--; + pxmitpriv->tx_drop++; + } + else + { +#ifdef PLATFORM_LINUX + tasklet_hi_schedule(&pxmitpriv->xmit_tasklet); +#endif + } + + return err; + +} + + +#ifdef CONFIG_HOSTAPD_MLME + +static void rtl8192cu_hostap_mgnt_xmit_cb(struct urb *urb) +{ +#ifdef PLATFORM_LINUX + struct sk_buff *skb = (struct sk_buff *)urb->context; + + //DBG_8192C("%s\n", __FUNCTION__); + + rtw_skb_free(skb); +#endif +} + +s32 rtl8192cu_hostap_mgnt_xmit_entry(_adapter *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 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); + + + //DBG_8192C("%s\n", __FUNCTION__); + + skb = pkt; + + len = skb->len; + tx_hdr = (struct ieee80211_hdr *)(skb->data); + fc = le16_to_cpu(tx_hdr->frame_ctl); + bmcst = IS_MCAST(tx_hdr->addr1); + + if ((fc & IEEE80211_FCTL_FTYPE) != 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. + + + rtl8192cu_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); + + //DBG_8192C("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); + +#endif + + return 0; + +} +#endif + |