mirror of
https://github.com/lwfinger/rtl8188eu.git
synced 2024-11-10 07:29:40 +00:00
120 lines
3.3 KiB
C
120 lines
3.3 KiB
C
/******************************************************************************
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*
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* Copyright(c) 2007 - 2011 Realtek Corporation. All rights reserved.
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms of version 2 of the GNU General Public License as
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* published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
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* more details.
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*
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* You should have received a copy of the GNU General Public License along with
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* this program; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110, USA
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*
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*
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******************************************************************************/
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#define _RTL8188EU_RECV_C_
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#include <osdep_service.h>
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#include <drv_types.h>
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#include <recv_osdep.h>
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#include <mlme_osdep.h>
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#include <usb_ops_linux.h>
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#include <wifi.h>
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#include <rtl8188e_hal.h>
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int rtl8188eu_init_recv_priv(struct adapter *padapter)
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{
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struct recv_priv *precvpriv = &padapter->recvpriv;
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int i, res = _SUCCESS;
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struct recv_buf *precvbuf;
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tasklet_init(&precvpriv->recv_tasklet,
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(void(*)(unsigned long))rtl8188eu_recv_tasklet,
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(unsigned long)padapter);
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/* init recv_buf */
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_rtw_init_queue(&precvpriv->free_recv_buf_queue);
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precvpriv->pallocated_recv_buf =
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kzalloc(NR_RECVBUFF * sizeof(struct recv_buf), GFP_KERNEL);
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if (precvpriv->pallocated_recv_buf == NULL) {
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res = _FAIL;
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RT_TRACE(_module_rtl871x_recv_c_, _drv_err_,
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("alloc recv_buf fail!\n"));
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goto exit;
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}
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precvpriv->precv_buf = precvpriv->pallocated_recv_buf;
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precvbuf = (struct recv_buf *)precvpriv->precv_buf;
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for (i = 0; i < NR_RECVBUFF; i++) {
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res = rtw_os_recvbuf_resource_alloc(padapter, precvbuf);
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if (res == _FAIL)
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break;
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precvbuf->adapter = padapter;
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precvbuf++;
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}
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precvpriv->free_recv_buf_queue_cnt = NR_RECVBUFF;
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skb_queue_head_init(&precvpriv->rx_skb_queue);
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{
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int i;
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size_t tmpaddr = 0;
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size_t alignm = 0;
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struct sk_buff *pskb = NULL;
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skb_queue_head_init(&precvpriv->free_recv_skb_queue);
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for (i = 0; i < NR_PREALLOC_RECV_SKB; i++) {
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pskb = __netdev_alloc_skb(padapter->pnetdev,
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MAX_RECVBUF_SZ + RECVBUFF_ALIGN_SZ,
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GFP_KERNEL);
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if (pskb) {
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pskb->dev = padapter->pnetdev;
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tmpaddr = (size_t)pskb->data;
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alignm = tmpaddr & (RECVBUFF_ALIGN_SZ-1);
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skb_reserve(pskb, (RECVBUFF_ALIGN_SZ - alignm));
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skb_queue_tail(&precvpriv->free_recv_skb_queue,
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pskb);
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}
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pskb = NULL;
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}
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}
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exit:
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return res;
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}
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void rtl8188eu_free_recv_priv(struct adapter *padapter)
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{
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int i;
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struct recv_buf *precvbuf;
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struct recv_priv *precvpriv = &padapter->recvpriv;
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precvbuf = (struct recv_buf *)precvpriv->precv_buf;
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for (i = 0; i < NR_RECVBUFF; i++) {
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usb_free_urb(precvbuf->purb);
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precvbuf++;
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}
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kfree(precvpriv->pallocated_recv_buf);
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if (skb_queue_len(&precvpriv->rx_skb_queue))
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DBG_88E(KERN_WARNING "rx_skb_queue not empty\n");
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skb_queue_purge(&precvpriv->rx_skb_queue);
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if (skb_queue_len(&precvpriv->free_recv_skb_queue))
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DBG_88E(KERN_WARNING "free_recv_skb_queue not empty, %d\n",
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skb_queue_len(&precvpriv->free_recv_skb_queue));
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skb_queue_purge(&precvpriv->free_recv_skb_queue);
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}
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