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// SPDX-License-Identifier: GPL-2.0
/* Copyright(c) 2007 - 2011 Realtek Corporation. */
#define _RTL8188EU_RECV_C_
#include "../include/osdep_service.h"
#include "../include/drv_types.h"
#include "../include/recv_osdep.h"
#include "../include/mlme_osdep.h"
#include "../include/usb_ops.h"
#include "../include/wifi.h"
#include "../include/rtl8188e_hal.h"
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,
rtl8188eu_recv_tasklet,
(unsigned long)padapter);
/* init recv_buf */
rtw_init_queue(&precvpriv->free_recv_buf_queue);
precvpriv->pallocated_recv_buf = kzalloc(NR_RECVBUFF * sizeof(struct recv_buf) + 4,
GFP_KERNEL);
if (!precvpriv->pallocated_recv_buf) {
res = _FAIL;
goto exit;
}
precvpriv->precv_buf = (u8 *)ALIGN((size_t)(precvpriv->pallocated_recv_buf), 4);
precvbuf = (struct recv_buf *)precvpriv->precv_buf;
for (i = 0; i < NR_RECVBUFF; i++) {
res = rtw_os_recvbuf_resource_alloc(padapter, precvbuf);
if (res == _FAIL)
break;
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);
skb_queue_purge(&precvpriv->rx_skb_queue);
skb_queue_purge(&precvpriv->free_recv_skb_queue);
}
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