/* SPDX-License-Identifier: GPL-2.0 */ /****************************************************************************** * * Copyright(c) 2007 - 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 _RTL8188FU_XMIT_C_ #include s32 rtl8188fu_init_xmit_priv(_adapter *padapter) { struct xmit_priv *pxmitpriv = &padapter->xmitpriv; #ifdef PLATFORM_LINUX tasklet_init(&pxmitpriv->xmit_tasklet, (void(*)(unsigned long))rtl8188fu_xmit_tasklet, (unsigned long)padapter); #endif return _SUCCESS; } void rtl8188fu_free_xmit_priv(_adapter *padapter) { } void _dbg_dump_tx_info(_adapter *padapter, int frame_tag, struct tx_desc *ptxdesc) { u8 bDumpTxPkt; u8 bDumpTxDesc = _FALSE; rtw_hal_get_def_var(padapter, HAL_DEF_DBG_DUMP_TXPKT, &(bDumpTxPkt)); if (bDumpTxPkt == 1) { /*dump txdesc for data frame */ RTW_INFO("dump tx_desc for data frame\n"); if ((frame_tag & 0x0f) == DATA_FRAMETAG) bDumpTxDesc = _TRUE; } else if (bDumpTxPkt == 2) { /*dump txdesc for mgnt frame */ RTW_INFO("dump tx_desc for mgnt frame\n"); if ((frame_tag & 0x0f) == MGNT_FRAMETAG) bDumpTxDesc = _TRUE; } else if (bDumpTxPkt == 3) { /*dump early info */ } if (bDumpTxDesc) { RTW_INFO("=====================================\n"); RTW_INFO("txdw0(0x%08x)\n", ptxdesc->txdw0); RTW_INFO("txdw1(0x%08x)\n", ptxdesc->txdw1); RTW_INFO("txdw2(0x%08x)\n", ptxdesc->txdw2); RTW_INFO("txdw3(0x%08x)\n", ptxdesc->txdw3); RTW_INFO("txdw4(0x%08x)\n", ptxdesc->txdw4); RTW_INFO("txdw5(0x%08x)\n", ptxdesc->txdw5); RTW_INFO("txdw6(0x%08x)\n", ptxdesc->txdw6); RTW_INFO("txdw7(0x%08x)\n", ptxdesc->txdw7); RTW_INFO("txdw8(0x%08x)\n", ptxdesc->txdw8); RTW_INFO("txdw9(0x%08x)\n", ptxdesc->txdw9); RTW_INFO("=====================================\n"); } } int 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; } 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) { /*RTW_INFO("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 & 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) { /*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 << 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; _adapter *padapter = pxmitframe->padapter; struct tx_desc *ptxdesc = (struct tx_desc *)pmem; #if 0 uint qsel; 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 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 */ #endif #ifndef CONFIG_USE_USB_BUFFER_ALLOC_TX if ((PACKET_OFFSET_SZ != 0) && (_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)); rtl8188f_update_txdesc(pxmitframe, (u8 *)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 rtl8188fu_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 (ret == _FAIL) 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 (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; pxmitframe = (struct xmit_frame *) pxmitbuf->priv_data; 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 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; #ifdef CONFIG_80211N_HT 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); #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); /* rtl8188f_update_txdesc(pxmitframe, mem_addr+PACKET_OFFSET_SZ); */ 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; if (pxmitframe->attrib.qsel == QSLT_BEACON) /* 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 (pxmitframe->attrib.qsel == QSLT_BEACON) #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 */ s32 rtl8188fu_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) 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) { /* 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; pxmitbuf->priv_data = pxmitframe; /* pxmitframe->agg_num = 1; */ /* alloc xmitframe should assign to 1. */ /* pxmitframe->pkt_offset = 1; */ /* first frame of aggregation, reserve offset */ pxmitframe->pkt_offset = (PACKET_OFFSET_SZ / 8); 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 = rtw_wlan_pkt_size(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); 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; len = rtw_wlan_pkt_size(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) { 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; 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) { 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); /* (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); 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); #ifdef CONFIG_80211N_HT if ((pfirstframe->attrib.ether_type != 0x0806) && (pfirstframe->attrib.ether_type != 0x888e) && (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 = 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 */ #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 /*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); #ifdef CONFIG_XMIT_THREAD_MODE if (pfirstframe->attrib.qsel == QSLT_BEACON) #endif rtw_free_xmitframe(pxmitpriv, pfirstframe); return _TRUE; } #else s32 rtl8188fu_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_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; 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; _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 rtl8188fu_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 rtl8188fu_hal_xmit(_adapter *padapter, struct xmit_frame *pxmitframe) { return pre_xmitframe(padapter, pxmitframe); } s32 rtl8188fu_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 { #ifdef PLATFORM_LINUX tasklet_hi_schedule(&pxmitpriv->xmit_tasklet); #endif } return err; } #ifdef CONFIG_HOSTAPD_MLME static void rtl8188fu_hostap_mgnt_xmit_cb(struct urb *urb) { #ifdef PLATFORM_LINUX struct sk_buff *skb = (struct sk_buff *)urb->context; /*RTW_INFO("%s\n", __func__); */ rtw_skb_free(skb); #endif } s32 rtl8188fu_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); /*RTW_INFO("%s\n", __func__); */ 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); /*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); #endif return 0; } #endif