PPP_ZC_STRU *ppp_m_alloc_ttfmem_from_mbuf(struct ppp_mbuf *bp)
{
VOS_UINT16 usLen;
PPP_ZC_STRU *pstMem;
if (VOS_NULL_PTR == bp)
{
return VOS_NULL_PTR;
}
usLen = (VOS_INT16)ppp_m_length(bp);
if (0 == usLen)
{
return VOS_NULL_PTR;
}
pstMem = PPP_MemAlloc(usLen, PPP_ZC_DL_RESERVE_LEN);
if (VOS_NULL_PTR == pstMem)
{
return VOS_NULL_PTR;
}
/* 设置零拷贝数据内容长度 */
PPP_ZC_SET_DATA_LEN(pstMem, usLen);
ppp_mbuf_View(bp, PPP_ZC_GET_DATA_PTR(pstMem), usLen);
return pstMem;
} /* ppp_m_ttfmem_alloc_from_mbuf */
/******************************************************************************
Function: PPP_STUB_TraceDlData
Description: 接收来自GTR的上行数据
Calls:
Data Accessed:
Data Updated:
Input:
Output:
Return:
Others:
******************************************************************************/
VOS_VOID PPP_STUB_RcvUlData(PPP_STUB_ZC_DATA_MSG_STRU *pstUlStubDataMsg)
{
PPP_ZC_STRU *pstImmZc;
pstImmZc = PPP_MemAlloc(pstUlStubDataMsg->u.stUlDataReq.usDataLen, 0);
if ( VOS_NULL_PTR == pstImmZc )
{
return;
}
PPP_MemWriteData(pstImmZc, &(pstUlStubDataMsg->u.stUlDataReq.aucData[0]),
pstUlStubDataMsg->u.stUlDataReq.usDataLen);
PPP_PullPacketEvent(PppGetAllocedId(), pstImmZc);
return;
}