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#include "Mp_Precomp.h"
#if WPP_SOFTWARE_TRACE
#include "P2P_Build.tmh"
#endif
#include "P2P_Internal.h"
#define P2P_BUILD_P2P_IE_HDR_LEN (1 + 1 + 4)
#define P2P_BUILD_MAX_ATTR_LEN_PER_IE (240)
#if (P2P_SUPPORT == 1)
//-----------------------------------------------------------------------------
// Local
//-----------------------------------------------------------------------------
static
VOID
p2p_write_IeLength(
IN FRAME_BUF *pBuf,
IN pu1Byte pLen
)
{
WriteEF1Byte(pLen, (u1Byte)((FrameBuf_Tail(pBuf) - 1) - pLen));
return;
}
static
VOID
p2p_build_AttrIe(
IN FRAME_BUF *pBuf,
IN const FRAME_BUF *pAttr
)
{
const u1Byte *pos = FrameBuf_Head(pAttr);
const u1Byte *end = pos + FrameBuf_Length(pAttr);
while(pos < end)
{
u2Byte fragLen = (u2Byte)(end - pos);
pu1Byte pLen = NULL;
if(P2P_BUILD_MAX_ATTR_LEN_PER_IE < fragLen)
fragLen = P2P_BUILD_MAX_ATTR_LEN_PER_IE;
if(NULL == (pLen = p2p_add_IEHdr(pBuf))) break;
FrameBuf_Add_Data(pBuf, pos, fragLen);
p2p_write_IeLength(pBuf, pLen);
}
return;
}
//-----------------------------------------------------------------------------
// Exported
//-----------------------------------------------------------------------------
u1Byte *
p2p_add_IEHdr(
IN FRAME_BUF *pBuf
)
{
u1Byte *pLen = NULL;
FrameBuf_Add_u1(pBuf, (u1Byte)EID_Vendor);
pLen = FrameBuf_Add(pBuf, 1);
FrameBuf_Add_be_u4(pBuf, P2P_IE_VENDOR_TYPE);
return pLen;
}
VOID
p2p_update_IeHdrLen(
IN FRAME_BUF *pBuf,
IN u1Byte *pLen
)
{
FRAME_BUF attrBuf;
FRAME_BUF *pDupAttrBuf = NULL;
u2Byte attrLen = (u2Byte)(FrameBuf_Tail(pBuf) - 1 - pLen);
if(attrLen <= P2P_BUILD_MAX_ATTR_LEN_PER_IE)
{
p2p_write_IeLength(pBuf, pLen);
return;
}
else
{
FrameBuf_Init(attrLen, attrLen, pLen + 1, &attrBuf);
pDupAttrBuf = FrameBuf_Clone(&attrBuf);
if(!pDupAttrBuf) return;
FrameBuf_Minus(pBuf, P2P_BUILD_P2P_IE_HDR_LEN);
p2p_build_AttrIe(pBuf, pDupAttrBuf);
FrameBuf_Free(pDupAttrBuf);
}
return;
}
VOID
p2p_add_ActionFrameMacHdr(
IN FRAME_BUF *pBuf,
IN const u1Byte *dest,
IN const u1Byte *src,
IN const u1Byte *bssid
)
{
pu1Byte buf = NULL;
if(NULL == (buf = FrameBuf_Add(pBuf, 24))) return;
SET_80211_HDR_FRAME_CONTROL(buf, 0);
SET_80211_HDR_TYPE_AND_SUBTYPE(buf, Type_Action);
SET_80211_HDR_DURATION(buf, 0);
SET_80211_HDR_ADDRESS1(buf, dest);
SET_80211_HDR_ADDRESS2(buf, src);
SET_80211_HDR_ADDRESS3(buf, bssid);
SET_80211_HDR_FRAGMENT_SEQUENCE(buf, 0);
return;
}
VOID
p2p_add_MgntFrameMacHdr(
IN FRAME_BUF *pBuf,
IN TYPE_SUBTYPE typeSubtype,
IN const u1Byte *dest,
IN const u1Byte *src,
IN const u1Byte *bssid
)
{
pu1Byte buf = NULL;
if(NULL == (buf = FrameBuf_Add(pBuf, 24))) return;
SET_80211_HDR_FRAME_CONTROL(buf, 0);
SET_80211_HDR_TYPE_AND_SUBTYPE(buf, typeSubtype);
SET_80211_HDR_DURATION(buf, 0);
SET_80211_HDR_FRAGMENT_SEQUENCE(buf, 0);
SET_80211_HDR_ADDRESS1(buf, dest);
SET_80211_HDR_ADDRESS2(buf, src);
SET_80211_HDR_ADDRESS3(buf, bssid);
SET_80211_HDR_FRAGMENT_SEQUENCE(buf, 0);
return;
}
VOID
p2p_add_PublicActionHdr(
IN FRAME_BUF *pBuf,
IN u1Byte actionCode,
IN u1Byte dialogToken
)
{
FrameBuf_Add_u1(pBuf, WLAN_ACTION_PUBLIC);
FrameBuf_Add_u1(pBuf, actionCode);
FrameBuf_Add_u1(pBuf, dialogToken);
return;
}
#endif
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