staging: r8188eu: Add files for new driver - part 17
authorLarry Finger <Larry.Finger@lwfinger.net>
Thu, 22 Aug 2013 03:33:59 +0000 (22:33 -0500)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Thu, 22 Aug 2013 17:20:10 +0000 (10:20 -0700)
This commit adds files hal/rtl8188eu_led.c, hal/rtl8188eu_recv.c,
and hal/rtl8188eu_xmit.c.

Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
drivers/staging/rtl8188eu/hal/rtl8188eu_led.c [new file with mode: 0644]
drivers/staging/rtl8188eu/hal/rtl8188eu_recv.c [new file with mode: 0644]
drivers/staging/rtl8188eu/hal/rtl8188eu_xmit.c [new file with mode: 0644]

diff --git a/drivers/staging/rtl8188eu/hal/rtl8188eu_led.c b/drivers/staging/rtl8188eu/hal/rtl8188eu_led.c
new file mode 100644 (file)
index 0000000..1cce948
--- /dev/null
@@ -0,0 +1,111 @@
+/******************************************************************************
+ *
+ * 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
+ *
+ *
+ ******************************************************************************/
+
+#include <osdep_service.h>
+#include <drv_types.h>
+#include <rtl8188e_hal.h>
+#include <rtl8188e_led.h>
+
+/*  LED object. */
+
+/*  LED_819xUsb routines. */
+/*     Description: */
+/*             Turn on LED according to LedPin specified. */
+void SwLedOn(struct adapter *padapter, struct LED_871x *pLed)
+{
+       u8      LedCfg;
+
+       if (padapter->bSurpriseRemoved || padapter->bDriverStopped)
+               return;
+       LedCfg = rtw_read8(padapter, REG_LEDCFG2);
+       switch (pLed->LedPin) {
+       case LED_PIN_LED0:
+               rtw_write8(padapter, REG_LEDCFG2, (LedCfg&0xf0)|BIT5|BIT6); /*  SW control led0 on. */
+               break;
+       case LED_PIN_LED1:
+               rtw_write8(padapter, REG_LEDCFG2, (LedCfg&0x0f)|BIT5); /*  SW control led1 on. */
+               break;
+       default:
+               break;
+       }
+       pLed->bLedOn = true;
+}
+
+/*     Description: */
+/*             Turn off LED according to LedPin specified. */
+void SwLedOff(struct adapter *padapter, struct LED_871x *pLed)
+{
+       u8      LedCfg;
+       struct hal_data_8188e   *pHalData = GET_HAL_DATA(padapter);
+
+       if (padapter->bSurpriseRemoved || padapter->bDriverStopped)
+               goto exit;
+
+       LedCfg = rtw_read8(padapter, REG_LEDCFG2);/* 0x4E */
+
+       switch (pLed->LedPin) {
+       case LED_PIN_LED0:
+               if (pHalData->bLedOpenDrain) {
+                       /*  Open-drain arrangement for controlling the LED) */
+                       LedCfg &= 0x90; /*  Set to software control. */
+                       rtw_write8(padapter, REG_LEDCFG2, (LedCfg|BIT3));
+                       LedCfg = rtw_read8(padapter, REG_MAC_PINMUX_CFG);
+                       LedCfg &= 0xFE;
+                       rtw_write8(padapter, REG_MAC_PINMUX_CFG, LedCfg);
+               } else {
+                       rtw_write8(padapter, REG_LEDCFG2, (LedCfg|BIT3|BIT5|BIT6));
+               }
+               break;
+       case LED_PIN_LED1:
+               LedCfg &= 0x0f; /*  Set to software control. */
+               rtw_write8(padapter, REG_LEDCFG2, (LedCfg|BIT3));
+               break;
+       default:
+               break;
+       }
+exit:
+       pLed->bLedOn = false;
+}
+
+/*  Interface to manipulate LED objects. */
+/*  Default LED behavior. */
+
+/*     Description: */
+/*             Initialize all LED_871x objects. */
+void rtl8188eu_InitSwLeds(struct adapter *padapter)
+{
+       struct led_priv *pledpriv = &(padapter->ledpriv);
+
+       pledpriv->LedControlHandler = LedControl871x;
+
+       InitLed871x(padapter, &(pledpriv->SwLed0), LED_PIN_LED0);
+
+       InitLed871x(padapter, &(pledpriv->SwLed1), LED_PIN_LED1);
+}
+
+/*     Description: */
+/*             DeInitialize all LED_819xUsb objects. */
+void rtl8188eu_DeInitSwLeds(struct adapter *padapter)
+{
+       struct led_priv *ledpriv = &(padapter->ledpriv);
+
+       DeInitLed871x(&(ledpriv->SwLed0));
+       DeInitLed871x(&(ledpriv->SwLed1));
+}
diff --git a/drivers/staging/rtl8188eu/hal/rtl8188eu_recv.c b/drivers/staging/rtl8188eu/hal/rtl8188eu_recv.c
new file mode 100644 (file)
index 0000000..0f47b89
--- /dev/null
@@ -0,0 +1,138 @@
+/******************************************************************************
+ *
+ * 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 _RTL8188EU_RECV_C_
+#include <osdep_service.h>
+#include <drv_types.h>
+#include <recv_osdep.h>
+#include <mlme_osdep.h>
+#include <ip.h>
+#include <if_ether.h>
+#include <ethernet.h>
+
+#include <usb_ops.h>
+#include <wifi.h>
+
+#include <rtl8188e_hal.h>
+
+void rtl8188eu_init_recvbuf(struct adapter *padapter, struct recv_buf *precvbuf)
+{
+       precvbuf->transfer_len = 0;
+
+       precvbuf->len = 0;
+
+       precvbuf->ref_cnt = 0;
+
+       if (precvbuf->pbuf) {
+               precvbuf->pdata = precvbuf->pbuf;
+               precvbuf->phead = precvbuf->pbuf;
+               precvbuf->ptail = precvbuf->pbuf;
+               precvbuf->pend = precvbuf->pdata + MAX_RECVBUF_SZ;
+       }
+}
+
+int    rtl8188eu_init_recv_priv(struct adapter *padapter)
+{
+       struct recv_priv        *precvpriv = &padapter->recvpriv;
+       int     i, res = _SUCCESS;
+       struct recv_buf *precvbuf;
+
+       tasklet_init(&precvpriv->recv_tasklet,
+                    (void(*)(unsigned long))rtl8188eu_recv_tasklet,
+                    (unsigned long)padapter);
+
+       /* init recv_buf */
+       _rtw_init_queue(&precvpriv->free_recv_buf_queue);
+
+       precvpriv->pallocated_recv_buf = rtw_zmalloc(NR_RECVBUFF * sizeof(struct recv_buf) + 4);
+       if (precvpriv->pallocated_recv_buf == NULL) {
+               res = _FAIL;
+               RT_TRACE(_module_rtl871x_recv_c_, _drv_err_, ("alloc recv_buf fail!\n"));
+               goto exit;
+       }
+       _rtw_memset(precvpriv->pallocated_recv_buf, 0, NR_RECVBUFF * sizeof(struct recv_buf) + 4);
+
+       precvpriv->precv_buf = (u8 *)N_BYTE_ALIGMENT((size_t)(precvpriv->pallocated_recv_buf), 4);
+
+
+       precvbuf = (struct recv_buf *)precvpriv->precv_buf;
+
+       for (i = 0; i < NR_RECVBUFF; i++) {
+               _rtw_init_listhead(&precvbuf->list);
+               _rtw_spinlock_init(&precvbuf->recvbuf_lock);
+               precvbuf->alloc_sz = MAX_RECVBUF_SZ;
+               res = rtw_os_recvbuf_resource_alloc(padapter, precvbuf);
+               if (res == _FAIL)
+                       break;
+               precvbuf->ref_cnt = 0;
+               precvbuf->adapter = padapter;
+               precvbuf++;
+       }
+       precvpriv->free_recv_buf_queue_cnt = NR_RECVBUFF;
+       skb_queue_head_init(&precvpriv->rx_skb_queue);
+       {
+               int i;
+               size_t tmpaddr = 0;
+               size_t alignment = 0;
+               struct sk_buff *pskb = NULL;
+
+               skb_queue_head_init(&precvpriv->free_recv_skb_queue);
+
+               for (i = 0; i < NR_PREALLOC_RECV_SKB; i++) {
+                       pskb = __netdev_alloc_skb(padapter->pnetdev, MAX_RECVBUF_SZ + RECVBUFF_ALIGN_SZ, GFP_KERNEL);
+                       if (pskb) {
+                               pskb->dev = padapter->pnetdev;
+                               tmpaddr = (size_t)pskb->data;
+                               alignment = tmpaddr & (RECVBUFF_ALIGN_SZ-1);
+                               skb_reserve(pskb, (RECVBUFF_ALIGN_SZ - alignment));
+
+                               skb_queue_tail(&precvpriv->free_recv_skb_queue, pskb);
+                       }
+                       pskb = NULL;
+               }
+       }
+exit:
+       return res;
+}
+
+void rtl8188eu_free_recv_priv(struct adapter *padapter)
+{
+       int     i;
+       struct recv_buf *precvbuf;
+       struct recv_priv        *precvpriv = &padapter->recvpriv;
+
+       precvbuf = (struct recv_buf *)precvpriv->precv_buf;
+
+       for (i = 0; i < NR_RECVBUFF; i++) {
+               rtw_os_recvbuf_resource_free(padapter, precvbuf);
+               precvbuf++;
+       }
+
+       kfree(precvpriv->pallocated_recv_buf);
+
+       if (skb_queue_len(&precvpriv->rx_skb_queue))
+               DBG_88E(KERN_WARNING "rx_skb_queue not empty\n");
+       skb_queue_purge(&precvpriv->rx_skb_queue);
+
+
+       if (skb_queue_len(&precvpriv->free_recv_skb_queue))
+               DBG_88E(KERN_WARNING "free_recv_skb_queue not empty, %d\n", skb_queue_len(&precvpriv->free_recv_skb_queue));
+
+       skb_queue_purge(&precvpriv->free_recv_skb_queue);
+}
diff --git a/drivers/staging/rtl8188eu/hal/rtl8188eu_xmit.c b/drivers/staging/rtl8188eu/hal/rtl8188eu_xmit.c
new file mode 100644 (file)
index 0000000..bd8a9ae
--- /dev/null
@@ -0,0 +1,706 @@
+/******************************************************************************
+ *
+ * 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 <osdep_service.h>
+#include <drv_types.h>
+#include <wifi.h>
+#include <osdep_intf.h>
+#include <usb_ops.h>
+#include <rtl8188e_hal.h>
+
+s32    rtl8188eu_init_xmit_priv(struct adapter *adapt)
+{
+       struct xmit_priv        *pxmitpriv = &adapt->xmitpriv;
+
+       tasklet_init(&pxmitpriv->xmit_tasklet,
+                    (void(*)(unsigned long))rtl8188eu_xmit_tasklet,
+                    (unsigned long)adapt);
+       return _SUCCESS;
+}
+
+void   rtl8188eu_free_xmit_priv(struct adapter *adapt)
+{
+}
+
+static u8 urb_zero_packet_chk(struct adapter *adapt, int sz)
+{
+       u8 set_tx_desc_offset;
+       struct hal_data_8188e   *haldata = GET_HAL_DATA(adapt);
+       set_tx_desc_offset = (((sz + TXDESC_SIZE) %  haldata->UsbBulkOutSize) == 0) ? 1 : 0;
+
+       return set_tx_desc_offset;
+}
+
+static void rtl8188eu_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(*(__le16 *)(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(struct adapter *adapt, u8 *desc, u32 BufferLen, u8  ispspoll, u8  is_btqosnull)
+{
+       struct tx_desc *ptxdesc;
+
+       /*  Clear all status */
+       ptxdesc = (struct tx_desc *)desc;
+       _rtw_memset(desc, 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 (is_btqosnull)
+               ptxdesc->txdw2 |= cpu_to_le32(BIT(23)); /*  BT NULL */
+
+       /* offset 16 */
+       ptxdesc->txdw4 |= cpu_to_le32(BIT(8));/* driver uses rate */
+
+       /*  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;
+               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)
+{
+       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&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);
+               }
+       }
+}
+
+static void fill_txdesc_phy(struct pkt_attrib *pattrib, __le32 *pdw)
+{
+       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 << 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;
+       u8 data_rate, pwr_status, offset;
+       struct adapter          *adapt = pxmitframe->padapter;
+       struct pkt_attrib       *pattrib = &pxmitframe->attrib;
+       struct hal_data_8188e   *haldata = GET_HAL_DATA(adapt);
+       struct tx_desc  *ptxdesc = (struct tx_desc *)pmem;
+       struct mlme_ext_priv    *pmlmeext = &adapt->mlmeextpriv;
+       struct mlme_ext_info    *pmlmeinfo = &(pmlmeext->mlmext_info);
+       int     bmcst = IS_MCAST(pattrib->ra);
+
+       if (adapt->registrypriv.mp_mode == 0) {
+               if ((!bagg_pkt) && (urb_zero_packet_chk(adapt, sz) == 0)) {
+                       ptxdesc = (struct tx_desc *)(pmem+PACKET_OFFSET_SZ);
+                       pull = 1;
+               }
+       }
+
+       _rtw_memset(ptxdesc, 0, sizeof(struct tx_desc));
+
+       /* 4 offset 0 */
+       ptxdesc->txdw0 |= cpu_to_le32(OWN | FSG | LSG);
+       ptxdesc->txdw0 |= cpu_to_le32(sz & 0x0000ffff);/* update TXPKTSIZE */
+
+       offset = TXDESC_SIZE + OFFSET_SZ;
+
+       ptxdesc->txdw0 |= cpu_to_le32(((offset) << OFFSET_SHT) & 0x00ff0000);/* 32 bytes for TX Desc */
+
+       if (bmcst)
+               ptxdesc->txdw0 |= cpu_to_le32(BMC);
+
+       if (adapt->registrypriv.mp_mode == 0) {
+               if (!bagg_pkt) {
+                       if ((pull) && (pxmitframe->pkt_offset > 0))
+                               pxmitframe->pkt_offset = pxmitframe->pkt_offset - 1;
+               }
+       }
+
+       /*  pkt_offset, unit:8 bytes padding */
+       if (pxmitframe->pkt_offset > 0)
+               ptxdesc->txdw1 |= cpu_to_le32((pxmitframe->pkt_offset << 26) & 0x7c000000);
+
+       /* driver uses rate */
+       ptxdesc->txdw4 |= cpu_to_le32(USERATE);/* rate control always by driver */
+
+       if ((pxmitframe->frame_tag & 0x0f) == DATA_FRAMETAG) {
+               /* 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);
+
+               if (pattrib->ampdu_en) {
+                       ptxdesc->txdw2 |= cpu_to_le32(AGG_EN);/* AGG EN */
+                       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 */
+               if (pxmitframe->agg_num > 1)
+                       ptxdesc->txdw5 |= cpu_to_le32((pxmitframe->agg_num << USB_TXAGG_NUM_SHT) & 0xFF000000);
+
+               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 (pattrib->ht_en) {
+                               if (ODM_RA_GetShortGI_8188E(&haldata->odmpriv, pattrib->mac_id))
+                                       ptxdesc->txdw5 |= cpu_to_le32(SGI);/* SGI */
+                       }
+                       data_rate = ODM_RA_GetDecisionRate_8188E(&haldata->odmpriv, pattrib->mac_id);
+                       ptxdesc->txdw5 |= cpu_to_le32(data_rate & 0x3F);
+                       pwr_status = ODM_RA_GetHwPwrStatus_8188E(&haldata->odmpriv, pattrib->mac_id);
+                       ptxdesc->txdw4 |= cpu_to_le32((pwr_status & 0x7) << PWR_STATUS_SHT);
+               } 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. */
+                       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));
+               }
+       } else if ((pxmitframe->frame_tag&0x0f) == MGNT_FRAMETAG) {
+               /* 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);
+
+               /* offset 8 */
+               /* CCX-TXRPT ack for xmit mgmt frames. */
+               if (pxmitframe->ack_report)
+                       ptxdesc->txdw2 |= cpu_to_le32(BIT(19));
+
+               /* 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)
+                       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(pmlmeext->tx_rate));
+       } else if ((pxmitframe->frame_tag&0x0f) == TXAGG_FRAMETAG) {
+               DBG_88E("pxmitframe->frame_tag == TXAGG_FRAMETAG\n");
+       } else if (((pxmitframe->frame_tag&0x0f) == MP_FRAMETAG) &&
+                  (adapt->registrypriv.mp_mode == 1)) {
+               fill_txdesc_for_mp(adapt, ptxdesc);
+       } else {
+               DBG_88E("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->txdw3 |= cpu_to_le32(EN_HWSEQ); /*  Hw set sequence number */
+               ptxdesc->txdw4 |= cpu_to_le32(HW_SSN);  /*  Hw set sequence number */
+       }
+
+       ODM_SetTxAntByTxInfo_88E(&haldata->odmpriv, pmem, pattrib->mac_id);
+
+       rtl8188eu_cal_txdesc_chksum(ptxdesc);
+       _dbg_dump_tx_info(adapt, pxmitframe->frame_tag, ptxdesc);
+       return pull;
+}
+
+/* for non-agg data frame or  management frame */
+static s32 rtw_dump_xframe(struct adapter *adapt, 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 = &adapt->xmitpriv;
+       struct security_priv *psecuritypriv = &adapt->securitypriv;
+       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(adapt, 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 */
+                       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);
+
+               inner_ret = rtw_write_port(adapt, ff_hwaddr, w_sz, (unsigned char *)pxmitbuf);
+
+               rtw_count_tx_stats(adapt, pxmitframe, sz);
+
+               RT_TRACE(_module_rtl871x_xmit_c_, _drv_info_, ("rtw_write_port, w_sz=%d\n", w_sz));
+
+               mem_addr += w_sz;
+
+               mem_addr = (u8 *)RND4(((size_t)(mem_addr)));
+       }
+
+       rtw_free_xmitframe(pxmitpriv, pxmitframe);
+
+       if  (ret != _SUCCESS)
+               rtw_sctx_done_err(&pxmitbuf->sctx, RTW_SCTX_DONE_UNKNOWN);
+
+       return ret;
+}
+
+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;
+}
+
+s32 rtl8188eu_xmitframe_complete(struct adapter *adapt, struct xmit_priv *pxmitpriv, struct xmit_buf *pxmitbuf)
+{
+       struct hal_data_8188e   *haldata = GET_HAL_DATA(adapt);
+       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;
+
+       unsigned long irql;
+       struct list_head *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 = haldata->UsbBulkOutSize;
+       u8 desc_cnt;
+       u32 bulkptr;
+
+       /*  dump frame variable */
+       u32 ff_hwaddr;
+
+       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;
+               }
+
+               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 */
+
+               rtw_xmitframe_coalesce(adapt, pxmitframe->pkt, pxmitframe);
+
+               /*  always return ndis_packet after rtw_xmitframe_coalesce */
+               rtw_os_xmit_complete(adapt, 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 */
+       desc_cnt = 0;
+       bulkptr = bulksize;
+       if (pbuf < bulkptr) {
+               desc_cnt++;
+       } else {
+               desc_cnt = 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)) {
+               pxmitframe = LIST_CONTAINOR(xmitframe_plist, struct xmit_frame, list);
+               xmitframe_plist = get_next(xmitframe_plist);
+
+               pxmitframe->agg_num = 0; /*  not first frame of aggregation */
+               pxmitframe->pkt_offset = 0; /*  not first frame of aggregation, no need to reserve offset */
+
+               len = xmitframe_need_length(pxmitframe) + TXDESC_SIZE + (pxmitframe->pkt_offset*PACKET_OFFSET_SZ);
+
+               if (_RND8(pbuf + len) > MAX_XMITBUF_SZ) {
+                       pxmitframe->agg_num = 1;
+                       pxmitframe->pkt_offset = 1;
+                       break;
+               }
+               rtw_list_delete(&pxmitframe->list);
+               ptxservq->qcnt--;
+               phwxmit->accnt--;
+
+               pxmitframe->buf_addr = pxmitbuf->pbuf + pbuf;
+
+               rtw_xmitframe_coalesce(adapt, pxmitframe->pkt, pxmitframe);
+               /*  always return ndis_packet after rtw_xmitframe_coalesce */
+               rtw_os_xmit_complete(adapt, 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) {
+                       desc_cnt++;
+                       if (desc_cnt == haldata->UsbTxAggDescNum)
+                               break;
+               } else {
+                       desc_cnt = 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);
+
+       _exit_critical_bh(&pxmitpriv->lock, &irql);
+       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(adapt, pfirstframe);
+       /* 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--;
+       }
+
+       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);
+       rtw_write_port(adapt, 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(adapt, pfirstframe, pbuf_tail);
+
+       rtw_free_xmitframe(pxmitpriv, pfirstframe);
+
+       return true;
+}
+
+static s32 xmitframe_direct(struct adapter *adapt, struct xmit_frame *pxmitframe)
+{
+       s32 res = _SUCCESS;
+
+       res = rtw_xmitframe_coalesce(adapt, pxmitframe->pkt, pxmitframe);
+       if (res == _SUCCESS)
+               rtw_dump_xframe(adapt, pxmitframe);
+       else
+               DBG_88E("==> %s xmitframe_coalsece failed\n", __func__);
+       return res;
+}
+
+/*
+ * Return
+ *     true    dump packet directly
+ *     false   enqueue packet
+ */
+static s32 pre_xmitframe(struct adapter *adapt, struct xmit_frame *pxmitframe)
+{
+       unsigned long irql;
+       s32 res;
+       struct xmit_buf *pxmitbuf = NULL;
+       struct xmit_priv *pxmitpriv = &adapt->xmitpriv;
+       struct pkt_attrib *pattrib = &pxmitframe->attrib;
+       struct mlme_priv *pmlmepriv = &adapt->mlmepriv;
+
+       _enter_critical_bh(&pxmitpriv->lock, &irql);
+
+       if (rtw_txframes_sta_ac_pending(adapt, pattrib) > 0)
+               goto enqueue;
+
+       if (check_fwstate(pmlmepriv, _FW_UNDER_SURVEY|_FW_UNDER_LINKING) == true)
+               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(adapt, pxmitframe) != _SUCCESS) {
+               rtw_free_xmitbuf(pxmitpriv, pxmitbuf);
+               rtw_free_xmitframe(pxmitpriv, pxmitframe);
+       }
+
+       return true;
+
+enqueue:
+       res = rtw_xmitframe_enqueue(adapt, 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 rtl8188eu_mgnt_xmit(struct adapter *adapt, struct xmit_frame *pmgntframe)
+{
+       return rtw_dump_xframe(adapt, pmgntframe);
+}
+
+/*
+ * Return
+ *     true    dump packet directly ok
+ *     false   temporary can't transmit packets to hardware
+ */
+s32 rtl8188eu_hal_xmit(struct adapter *adapt, struct xmit_frame *pxmitframe)
+{
+       return pre_xmitframe(adapt, pxmitframe);
+}