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 = kzalloc(NR_RECVBUFF * sizeof(struct recv_buf) + 4, GFP_KERNEL);
if (precvpriv->pallocated_recv_buf == NULL) {
res = _FAIL;
RT_TRACE(_module_rtl871x_recv_c_, _drv_err_, ("alloc recv_buf fail!\n"));
goto exit;
}
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++) {
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;
}
/*
* Initialize recv private variable for hardware dependent
* 1. recv buf
* 2. recv tasklet
*
*/
s32 rtl8723as_init_recv_priv(PADAPTER padapter)
{
s32 res;
u32 i, n;
struct recv_priv *precvpriv;
struct recv_buf *precvbuf;
res = _SUCCESS;
precvpriv = &padapter->recvpriv;
//3 1. init recv buffer
_rtw_init_queue(&precvpriv->free_recv_buf_queue);
_rtw_init_queue(&precvpriv->recv_buf_pending_queue);
n = NR_RECVBUFF * sizeof(struct recv_buf) + 4;
precvpriv->pallocated_recv_buf = rtw_zmalloc(n);
if (precvpriv->pallocated_recv_buf == NULL) {
res = _FAIL;
RT_TRACE(_module_rtl871x_recv_c_, _drv_err_, ("alloc recv_buf fail!\n"));
goto exit;
}
precvpriv->precv_buf = (u8*)N_BYTE_ALIGMENT((SIZE_PTR)(precvpriv->pallocated_recv_buf), 4);
// init each recv buffer
precvbuf = (struct recv_buf*)precvpriv->precv_buf;
for (i = 0; i < NR_RECVBUFF; i++)
{
res = initrecvbuf(precvbuf, padapter);
if (res == _FAIL)
break;
res = rtw_os_recvbuf_resource_alloc(padapter, precvbuf);
if (res == _FAIL) {
freerecvbuf(precvbuf);
break;
}
#ifdef CONFIG_SDIO_RX_COPY
if (precvbuf->pskb == NULL) {
SIZE_PTR tmpaddr=0;
SIZE_PTR alignment=0;
#if (LINUX_VERSION_CODE < KERNEL_VERSION(2,6,18)) // http://www.mail-archive.com/[email protected]/msg17214.html
precvbuf->pskb = dev_alloc_skb(MAX_RECVBUF_SZ + RECVBUFF_ALIGN_SZ);
#else
precvbuf->pskb = netdev_alloc_skb(padapter->pnetdev, MAX_RECVBUF_SZ + RECVBUFF_ALIGN_SZ);
#endif
if(precvbuf->pskb)
{
precvbuf->pskb->dev = padapter->pnetdev;
tmpaddr = (SIZE_PTR)precvbuf->pskb->data;
alignment = tmpaddr & (RECVBUFF_ALIGN_SZ-1);
skb_reserve(precvbuf->pskb, (RECVBUFF_ALIGN_SZ - alignment));
}
if (precvbuf->pskb == NULL) {
DBG_871X("%s: alloc_skb fail!\n", __FUNCTION__);
}
}
#endif
rtw_list_insert_tail(&precvbuf->list, &precvpriv->free_recv_buf_queue.queue);
precvbuf++;
}
precvpriv->free_recv_buf_queue_cnt = i;
if (res == _FAIL)
goto initbuferror;
//3 2. init tasklet
#ifdef PLATFORM_LINUX
tasklet_init(&precvpriv->recv_tasklet,
(void(*)(unsigned long))rtl8723as_recv_tasklet,
(unsigned long)padapter);
#endif
goto exit;
initbuferror:
precvbuf = (struct recv_buf*)precvpriv->precv_buf;
if (precvbuf) {
n = precvpriv->free_recv_buf_queue_cnt;
precvpriv->free_recv_buf_queue_cnt = 0;
for (i = 0; i < n ; i++)
{
rtw_list_delete(&precvbuf->list);
rtw_os_recvbuf_resource_free(padapter, precvbuf);
freerecvbuf(precvbuf);
precvbuf++;
}
precvpriv->precv_buf = NULL;
}
if (precvpriv->pallocated_recv_buf) {
n = NR_RECVBUFF * sizeof(struct recv_buf) + 4;
rtw_mfree(precvpriv->pallocated_recv_buf, n);
precvpriv->pallocated_recv_buf = NULL;
}
exit:
return res;
}
int rtl8192cu_init_recv_priv(_adapter *padapter)
{
struct recv_priv *precvpriv = &padapter->recvpriv;
int i, res = _SUCCESS;
struct recv_buf *precvbuf;
#ifdef CONFIG_RECV_THREAD_MODE
_rtw_init_sema(&precvpriv->recv_sema, 0);//will be removed
_rtw_init_sema(&precvpriv->terminate_recvthread_sema, 0);//will be removed
#endif
#ifdef PLATFORM_LINUX
tasklet_init(&precvpriv->recv_tasklet,
(void(*)(unsigned long))rtl8192cu_recv_tasklet,
(unsigned long)padapter);
#endif
#ifdef CONFIG_USB_INTERRUPT_IN_PIPE
#ifdef PLATFORM_LINUX
precvpriv->int_in_urb = usb_alloc_urb(0, GFP_KERNEL);
if(precvpriv->int_in_urb == NULL){
DBG_8192C("alloc_urb for interrupt in endpoint fail !!!!\n");
}
#endif
precvpriv->int_in_buf = rtw_zmalloc(sizeof(INTERRUPT_MSG_FORMAT_EX));
if(precvpriv->int_in_buf == NULL){
DBG_8192C("alloc_mem for interrupt in endpoint fail !!!!\n");
}
#endif
//init recv_buf
_rtw_init_queue(&precvpriv->free_recv_buf_queue);
#ifdef CONFIG_USE_USB_BUFFER_ALLOC_RX
_rtw_init_queue(&precvpriv->recv_buf_pending_queue);
#endif // CONFIG_USE_USB_BUFFER_ALLOC_RX
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_PTR)(precvpriv->pallocated_recv_buf), 4);
//precvpriv->precv_buf = precvpriv->pallocated_recv_buf + 4 -
// ((uint) (precvpriv->pallocated_recv_buf) &(4-1));
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;
//rtw_list_insert_tail(&precvbuf->list, &(precvpriv->free_recv_buf_queue.queue));
precvbuf++;
}
precvpriv->free_recv_buf_queue_cnt = NR_RECVBUFF;
#ifdef PLATFORM_LINUX
skb_queue_head_init(&precvpriv->rx_skb_queue);
#ifdef CONFIG_PREALLOC_RECV_SKB
{
int i;
SIZE_PTR tmpaddr=0;
SIZE_PTR 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++)
{
#if (LINUX_VERSION_CODE < KERNEL_VERSION(2,6,18)) // http://www.mail-archive.com/[email protected]/msg17214.html
pskb = dev_alloc_skb(MAX_RECVBUF_SZ + RECVBUFF_ALIGN_SZ);
#else
pskb = netdev_alloc_skb(padapter->pnetdev, MAX_RECVBUF_SZ + RECVBUFF_ALIGN_SZ);
#endif
if(pskb)
{
pskb->dev = padapter->pnetdev;
tmpaddr = (SIZE_PTR)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;
}
}
#endif
#endif
exit:
return res;
}
/*
* Initialize recv private variable for hardware dependent
* 1. recv buf
* 2. recv tasklet
*
*/
s32 rtl8723as_init_recv_priv(PADAPTER padapter)
{
s32 res;
u32 i, n;
struct recv_priv *precvpriv;
struct recv_buf *precvbuf;
res = _SUCCESS;
precvpriv = &padapter->recvpriv;
//3 1. init recv buffer
_rtw_init_queue(&precvpriv->free_recv_buf_queue);
_rtw_init_queue(&precvpriv->recv_buf_pending_queue);
n = NR_RECVBUFF * sizeof(struct recv_buf) + 4;
precvpriv->pallocated_recv_buf = rtw_zmalloc(n);
if (precvpriv->pallocated_recv_buf == NULL) {
res = _FAIL;
RT_TRACE(_module_rtl871x_recv_c_, _drv_err_, ("alloc recv_buf fail!\n"));
goto exit;
}
precvpriv->precv_buf = (u8*)N_BYTE_ALIGMENT((SIZE_PTR)(precvpriv->pallocated_recv_buf), 4);
// init each recv buffer
precvbuf = (struct recv_buf*)precvpriv->precv_buf;
for (i = 0; i < NR_RECVBUFF; i++)
{
res = initrecvbuf(precvbuf, padapter);
if (res == _FAIL)
break;
res = rtw_os_recvbuf_resource_alloc(padapter, precvbuf);
if (res == _FAIL) {
freerecvbuf(precvbuf);
break;
}
rtw_list_insert_tail(&precvbuf->list, &precvpriv->free_recv_buf_queue.queue);
precvbuf++;
}
precvpriv->free_recv_buf_queue_cnt = i;
if (res == _FAIL)
goto initbuferror;
//3 2. init tasklet
#ifdef PLATFORM_LINUX
tasklet_init(&precvpriv->recv_tasklet,
(void(*)(unsigned long))rtl8723as_recv_tasklet,
(unsigned long)padapter);
#endif
goto exit;
initbuferror:
precvbuf = (struct recv_buf*)precvpriv->precv_buf;
if (precvbuf) {
n = precvpriv->free_recv_buf_queue_cnt;
precvpriv->free_recv_buf_queue_cnt = 0;
for (i = 0; i < n ; i++)
{
rtw_list_delete(&precvbuf->list);
rtw_os_recvbuf_resource_free(padapter, precvbuf);
freerecvbuf(precvbuf);
precvbuf++;
}
precvpriv->precv_buf = NULL;
}
if (precvpriv->pallocated_recv_buf) {
n = NR_RECVBUFF * sizeof(struct recv_buf) + 4;
rtw_mfree(precvpriv->pallocated_recv_buf, n);
precvpriv->pallocated_recv_buf = NULL;
}
exit:
return res;
}
int usb_init_recv_priv(_adapter *padapter, u16 ini_in_buf_sz)
{
struct recv_priv *precvpriv = &padapter->recvpriv;
int i, res = _SUCCESS;
struct recv_buf *precvbuf;
#ifdef CONFIG_RECV_THREAD_MODE
_rtw_init_sema(&precvpriv->recv_sema, 0);//will be removed
_rtw_init_sema(&precvpriv->terminate_recvthread_sema, 0);//will be removed
#endif /* CONFIG_RECV_THREAD_MODE */
#ifdef PLATFORM_LINUX
tasklet_init(&precvpriv->recv_tasklet,
(void(*)(unsigned long))usb_recv_tasklet,
(unsigned long)padapter);
#endif /* PLATFORM_LINUX */
#ifdef PLATFORM_FREEBSD
#ifdef CONFIG_RX_INDICATE_QUEUE
TASK_INIT(&precvpriv->rx_indicate_tasklet, 0, rtw_rx_indicate_tasklet, padapter);
#endif /* CONFIG_RX_INDICATE_QUEUE */
#endif /* PLATFORM_FREEBSD */
#ifdef CONFIG_USB_INTERRUPT_IN_PIPE
#ifdef PLATFORM_LINUX
precvpriv->int_in_urb = usb_alloc_urb(0, GFP_KERNEL);
if(precvpriv->int_in_urb == NULL){
res = _FAIL;
DBG_8192C("alloc_urb for interrupt in endpoint fail !!!!\n");
goto exit;
}
#endif /* PLATFORM_LINUX */
precvpriv->int_in_buf = rtw_zmalloc(ini_in_buf_sz);
if(precvpriv->int_in_buf == NULL){
res = _FAIL;
DBG_8192C("alloc_mem for interrupt in endpoint fail !!!!\n");
goto exit;
}
#endif /* CONFIG_USB_INTERRUPT_IN_PIPE */
/* init recv_buf */
_rtw_init_queue(&precvpriv->free_recv_buf_queue);
_rtw_init_queue(&precvpriv->recv_buf_pending_queue);
#ifndef CONFIG_USE_USB_BUFFER_ALLOC_RX
/* this is used only when RX_IOBUF is sk_buff */
skb_queue_head_init(&precvpriv->free_recv_skb_queue);
#endif
DBG_871X("NR_RECVBUFF: %d\n", NR_RECVBUFF);
DBG_871X("MAX_RECVBUF_SZ: %d\n", MAX_RECVBUF_SZ);
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;
}
precvpriv->precv_buf = (u8 *)N_BYTE_ALIGMENT((SIZE_PTR)(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;
//rtw_list_insert_tail(&precvbuf->list, &(precvpriv->free_recv_buf_queue.queue));
precvbuf++;
}
precvpriv->free_recv_buf_queue_cnt = NR_RECVBUFF;
#if defined(PLATFORM_LINUX) || defined(PLATFORM_FREEBSD)
skb_queue_head_init(&precvpriv->rx_skb_queue);
#ifdef CONFIG_RX_INDICATE_QUEUE
memset(&precvpriv->rx_indicate_queue, 0, sizeof(struct ifqueue));
mtx_init(&precvpriv->rx_indicate_queue.ifq_mtx, "rx_indicate_queue", NULL, MTX_DEF);
#endif /* CONFIG_RX_INDICATE_QUEUE */
#ifdef CONFIG_PREALLOC_RECV_SKB
{
int i;
SIZE_PTR tmpaddr=0;
SIZE_PTR alignment=0;
struct sk_buff *pskb=NULL;
DBG_871X("NR_PREALLOC_RECV_SKB: %d\n", NR_PREALLOC_RECV_SKB);
#ifdef CONFIG_FIX_NR_BULKIN_BUFFER
DBG_871X("Enable CONFIG_FIX_NR_BULKIN_BUFFER\n");
#endif
for(i=0; i<NR_PREALLOC_RECV_SKB; i++)
{
#ifdef CONFIG_PREALLOC_RX_SKB_BUFFER
pskb = rtw_alloc_skb_premem(MAX_RECVBUF_SZ);
#else
pskb = rtw_skb_alloc(MAX_RECVBUF_SZ + RECVBUFF_ALIGN_SZ);
#endif //CONFIG_PREALLOC_RX_SKB_BUFFER
if(pskb)
{
#ifdef PLATFORM_FREEBSD
pskb->dev = padapter->pifp;
#else
pskb->dev = padapter->pnetdev;
#endif //PLATFORM_FREEBSD
#ifndef CONFIG_PREALLOC_RX_SKB_BUFFER
tmpaddr = (SIZE_PTR)pskb->data;
alignment = tmpaddr & (RECVBUFF_ALIGN_SZ-1);
skb_reserve(pskb, (RECVBUFF_ALIGN_SZ - alignment));
#endif
skb_queue_tail(&precvpriv->free_recv_skb_queue, pskb);
}
}
}
#endif /* CONFIG_PREALLOC_RECV_SKB */
#endif /* defined(PLATFORM_LINUX) || defined(PLATFORM_FREEBSD) */
exit:
return res;
}