int sl_Recv(int sd, void *pBuf, int Len, int flags)
{
_SlRecvMsg_u Msg;
_SlCmdExt_t CmdExt;
_SlReturnVal_t status;
CmdExt.TxPayloadLen = 0;
CmdExt.RxPayloadLen = Len;
CmdExt.pTxPayload = NULL;
CmdExt.pRxPayload = (UINT8 *)pBuf;
Msg.Cmd.sd = sd;
Msg.Cmd.StatusOrLen = Len;
/* no size truncation in recv path */
CmdExt.RxPayloadLen = Msg.Cmd.StatusOrLen;
Msg.Cmd.FamilyAndFlags = flags & 0x0F;
status = _SlDrvDataReadOp((_SlSd_t)sd, (_SlCmdCtrl_t *)&_SlRecvCmdCtrl, &Msg, &CmdExt);
if( status != SL_OS_RET_CODE_OK )
{
return status;
}
/* if the Device side sends less than expected it is not the Driver's role */
/* the returned value could be smaller than the requested size */
return (int)Msg.Rsp.statusOrLen;
}
int sl_RecvFrom(int sd, void *buf, int Len, int flags, SlSockAddr_t *from, SlSocklen_t *fromlen)
{
_SlRecvfromMsg_u Msg;
_SlCmdExt_t CmdExt;
int RetVal;
CmdExt.TxPayloadLen = 0;
CmdExt.RxPayloadLen = Len;
CmdExt.pTxPayload = NULL;
CmdExt.pRxPayload = (UINT8 *)buf;
Msg.Cmd.sd = sd;
Msg.Cmd.StatusOrLen = Len;
/* no size truncation in recv path */
CmdExt.RxPayloadLen = Msg.Cmd.StatusOrLen;
if(sizeof(SlSockAddrIn_t) == *fromlen)
{
Msg.Cmd.FamilyAndFlags = SL_AF_INET;
}
else if (sizeof(SlSockAddrIn6_t) == *fromlen)
{
Msg.Cmd.FamilyAndFlags = SL_AF_INET6;
}
else
{
return SL_RET_CODE_INVALID_INPUT;
}
Msg.Cmd.FamilyAndFlags = (Msg.Cmd.FamilyAndFlags << 4) & 0xF0;
Msg.Cmd.FamilyAndFlags |= flags & 0x0F;
RetVal = _SlDrvDataReadOp((_SlSd_t)sd, (_SlCmdCtrl_t *)&_SlRecvfomCmdCtrl, &Msg, &CmdExt);
if( RetVal != SL_OS_RET_CODE_OK )
{
return RetVal;
}
RetVal = Msg.Rsp.IpV4.statusOrLen;
if(RetVal >= 0)
{
VERIFY_PROTOCOL(sd == Msg.Rsp.IpV4.sd);
#if 0
_sl_ParseAddress(&Msg.Rsp, from, fromlen);
#else
from->sa_family = Msg.Rsp.IpV4.family;
if(SL_AF_INET == from->sa_family)
{
((SlSockAddrIn_t *)from)->sin_port = Msg.Rsp.IpV4.port;
((SlSockAddrIn_t *)from)->sin_addr.s_addr = Msg.Rsp.IpV4.address;
*fromlen = sizeof(SlSockAddrIn_t);
}
else if (SL_AF_INET6_EUI_48 == from->sa_family )
{
((SlSockAddrIn6_t *)from)->sin6_port = Msg.Rsp.IpV6EUI48.port;
sl_Memcpy(((SlSockAddrIn6_t *)from)->sin6_addr._S6_un._S6_u8, Msg.Rsp.IpV6EUI48.address, 6);
}
#ifdef SL_SUPPORT_IPV6
else if(AF_INET6 == from->sa_family)
{
VERIFY_PROTOCOL(*fromlen >= sizeof(sockaddr_in6));
((sockaddr_in6 *)from)->sin6_port = Msg.Rsp.IpV6.port;
sl_Memcpy(((sockaddr_in6 *)from)->sin6_addr._S6_un._S6_u32, Msg.Rsp.IpV6.address, 16);
*fromlen = sizeof(sockaddr_in6);
}
#endif
#endif
}
return (int)RetVal;
}
_i16 sl_RecvFrom(_i16 sd, void *buf, _i16 Len, _i16 flags, SlSockAddr_t *from, SlSocklen_t *fromlen)
{
_SlRecvfromMsg_u Msg;
_SlCmdExt_t CmdExt;
_i16 RetVal;
/* verify no erorr handling in progress. if in progress than
ignore the API execution and return immediately with an error */
VERIFY_NO_ERROR_HANDLING_IN_PROGRESS();
_SlDrvResetCmdExt(&CmdExt);
CmdExt.RxPayloadLen = Len;
CmdExt.pRxPayload = (_u8 *)buf;
Msg.Cmd.sd = (_u8)sd;
Msg.Cmd.StatusOrLen = (_u16)Len;
/* no size truncation in recv path */
CmdExt.RxPayloadLen = (_i16)Msg.Cmd.StatusOrLen;
Msg.Cmd.FamilyAndFlags = (_u8)(flags & 0x0F);
if(sizeof(SlSockAddrIn_t) == *fromlen)
{
Msg.Cmd.FamilyAndFlags |= (SL_AF_INET << 4);
}
else if (sizeof(SlSockAddrIn6_t) == *fromlen)
{
Msg.Cmd.FamilyAndFlags |= (SL_AF_INET6 << 4);
}
else
{
return SL_RET_CODE_INVALID_INPUT;
}
RetVal = _SlDrvDataReadOp((_SlSd_t)sd, (_SlCmdCtrl_t *)&_SlRecvfomCmdCtrl, &Msg, &CmdExt);
if( RetVal != SL_OS_RET_CODE_OK )
{
return RetVal;
}
RetVal = Msg.Rsp.IpV4.statusOrLen;
if(RetVal >= 0)
{
VERIFY_PROTOCOL(sd == (_i16)Msg.Rsp.IpV4.sd);
#if 0
_sl_ParseAddress(&Msg.Rsp, from, fromlen);
#else
from->sa_family = Msg.Rsp.IpV4.family;
if(SL_AF_INET == from->sa_family)
{
((SlSockAddrIn_t *)from)->sin_port = Msg.Rsp.IpV4.port;
((SlSockAddrIn_t *)from)->sin_addr.s_addr = Msg.Rsp.IpV4.address;
*fromlen = (SlSocklen_t)sizeof(SlSockAddrIn_t);
}
else if (SL_AF_INET6_EUI_48 == from->sa_family )
{
((SlSockAddrIn6_t *)from)->sin6_port = Msg.Rsp.IpV6EUI48.port;
sl_Memcpy(((SlSockAddrIn6_t *)from)->sin6_addr._S6_un._S6_u8, Msg.Rsp.IpV6EUI48.address, 6);
}
#ifdef SL_SUPPORT_IPV6
else if(AF_INET6 == from->sa_family)
{
VERIFY_PROTOCOL(*fromlen >= sizeof(sockaddr_in6));
((sockaddr_in6 *)from)->sin6_port = Msg.Rsp.IpV6.port;
sl_Memcpy(((sockaddr_in6 *)from)->sin6_addr._S6_un._S6_u32, Msg.Rsp.IpV6.address, 16);
*fromlen = sizeof(sockaddr_in6);
}
#endif
#endif
}
return (_i16)RetVal;
}
