--- /dev/null
+/******************************************************************************
+ *
+ * Copyright(c) 2007 - 2012 Realtek Corporation. All rights reserved.
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of version 2 of the GNU General Public License as
+ * published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License along with
+ * this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110, USA
+ *
+ *
+ ******************************************************************************/
+
+#define _RTL8188FU_XMIT_C_
+
+#include <rtl8188f_hal.h>
+
+
+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 */
+ DBG_871X("dump tx_desc for data frame\n");
+ if ((frame_tag & 0x0f) == DATA_FRAMETAG)
+ bDumpTxDesc = _TRUE;
+ } else if (bDumpTxPkt == 2) { /*dump txdesc for mgnt frame */
+ DBG_871X("dump tx_desc for mgnt frame\n");
+ if ((frame_tag & 0x0f) == MGNT_FRAMETAG)
+ bDumpTxDesc = _TRUE;
+ } else if (bDumpTxPkt == 3) { /*dump early info */
+ }
+
+ if (bDumpTxDesc) {
+ DBG_8192C("=====================================\n");
+ DBG_8192C("txdw0(0x%08x)\n", ptxdesc->txdw0);
+ DBG_8192C("txdw1(0x%08x)\n", ptxdesc->txdw1);
+ DBG_8192C("txdw2(0x%08x)\n", ptxdesc->txdw2);
+ DBG_8192C("txdw3(0x%08x)\n", ptxdesc->txdw3);
+ DBG_8192C("txdw4(0x%08x)\n", ptxdesc->txdw4);
+ DBG_8192C("txdw5(0x%08x)\n", ptxdesc->txdw5);
+ DBG_8192C("txdw6(0x%08x)\n", ptxdesc->txdw6);
+ DBG_8192C("txdw7(0x%08x)\n", ptxdesc->txdw7);
+ DBG_8192C("txdw8(0x%08x)\n", ptxdesc->txdw8);
+ DBG_8192C("txdw9(0x%08x)\n", ptxdesc->txdw9);
+ DBG_8192C("=====================================\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)
+{
+ /*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 & 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 & 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;
+ 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", __func__));
+ return _FAIL;
+ }
+ if (RTW_CANNOT_RUN(padapter)) {
+ RT_TRACE(_module_hal_xmit_c_, _drv_notice_
+ , ("%s: bDriverStopped(%s) bSurpriseRemoved(%s)!\n"
+ , __func__
+ , 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) {
+ RT_TRACE(_module_hal_xmit_c_, _drv_notice_,
+ ("%s: wait to leave LPS_LCLK\n", __func__));
+ 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);
+/* 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;
+ 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 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
+
+ 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 */
+ pxmitframe->pkt_offset = (PACKET_OFFSET_SZ/8);
+
+ if (rtw_xmitframe_coalesce(padapter, pxmitframe->pkt, pxmitframe) == _FALSE) {
+ DBG_871X("%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_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 = 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", __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);
+
+ 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 ((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 */
+ 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 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;
+
+ 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;
+ u8 lg_sta_num;
+
+ _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;
+
+ rtw_dev_iface_status(padapter, NULL, NULL , &lg_sta_num, NULL, NULL);
+ if (lg_sta_num)
+ 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) {
+ RT_TRACE(_module_xmit_osdep_c_, _drv_err_, ("pre_xmitframe: enqueue xmitframe fail\n"));
+ 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;
+
+ /*DBG_8192C("%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);
+
+
+ /*DBG_8192C("%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);
+
+ /*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
+
projects / firefly-linux-kernel-4.4.55.git / blobdiff