Linux-2.6.33.2/drivers/staging/otus/80211core/ctxrx.c
/*
* Copyright (c) 2007-2008 Atheros Communications Inc.
*
* Permission to use, copy, modify, and/or distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
/* */
/* Module Name : htr.c */
/* */
/* Abstract */
/* This module contains Tx and Rx functions. */
/* */
/* NOTES */
/* None */
/* */
/************************************************************************/
#include "cprecomp.h"
u16_t zfWlanRxValidate(zdev_t* dev, zbuf_t* buf);
u16_t zfWlanRxFilter(zdev_t* dev, zbuf_t* buf);
const u8_t zgSnapBridgeTunnel[6] = { 0xAA, 0xAA, 0x03, 0x00, 0x00, 0xF8 };
const u8_t zgSnap8021h[6] = { 0xAA, 0xAA, 0x03, 0x00, 0x00, 0x00 };
/* Table for converting IP DSCP P2-P0 bits to 802.11e Access Category */
const u8_t zcUpToAc[8] = {0, 1, 1, 0, 2, 2, 3, 3}; //WMM default
//const u8_t zcUpToAc[8] = {0, 1, 1, 0, 0, 0, 0, 0}; //For 2 TxQ
//const u8_t zcUpToAc[8] = {0, 0, 0, 0, 0, 0, 0, 0}; //For single TxQ
const u8_t zcMaxspToPktNum[4] = {8, 2, 4, 6};
u8_t zfGetEncryModeFromRxStatus(struct zsAdditionInfo* addInfo)
{
u8_t securityByte;
u8_t encryMode;
securityByte = (addInfo->Tail.Data.SAIndex & 0xc0) >> 4; /* byte4 */
securityByte |= (addInfo->Tail.Data.DAIndex & 0xc0) >> 6; /* byte5 */
switch( securityByte )
{
case ZM_NO_WEP:
case ZM_WEP64:
case ZM_WEP128:
case ZM_WEP256:
#ifdef ZM_ENABLE_CENC
case ZM_CENC:
#endif //ZM_ENABLE_CENC
case ZM_TKIP:
case ZM_AES:
encryMode = securityByte;
break;
default:
if ( (securityByte & 0xf8) == 0x08 )
{
// decrypted by software
}
encryMode = ZM_NO_WEP;
break;
}
return encryMode;
}
void zfGetRxIvIcvLength(zdev_t* dev, zbuf_t* buf, u8_t vap, u16_t* pIvLen,
u16_t* pIcvLen, struct zsAdditionInfo* addInfo)
{
u16_t wdsPort;
u8_t encryMode;
zmw_get_wlan_dev(dev);
*pIvLen = 0;
*pIcvLen = 0;
encryMode = zfGetEncryModeFromRxStatus(addInfo);
if ( wd->wlanMode == ZM_MODE_AP )
{
if (vap < ZM_MAX_AP_SUPPORT)
{
if (( wd->ap.encryMode[vap] == ZM_WEP64 ) ||
( wd->ap.encryMode[vap] == ZM_WEP128 ) ||
( wd->ap.encryMode[vap] == ZM_WEP256 ))
{
*pIvLen = 4;
*pIcvLen = 4;
}
else
{
u16_t id;
u16_t addr[3];
addr[0] = zmw_rx_buf_readh(dev, buf, ZM_WLAN_HEADER_A2_OFFSET);
addr[1] = zmw_rx_buf_readh(dev, buf, ZM_WLAN_HEADER_A2_OFFSET+2);
addr[2] = zmw_rx_buf_readh(dev, buf, ZM_WLAN_HEADER_A2_OFFSET+4);
/* Find STA's information */
if ((id = zfApFindSta(dev, addr)) != 0xffff)
{
if (wd->ap.staTable[id].encryMode == ZM_TKIP)
{
*pIvLen = 8;
*pIcvLen = 4;
}
else if (wd->ap.staTable[id].encryMode == ZM_AES)
{
*pIvLen = 8;
*pIcvLen = 8; // AES MIC
//*pIcvLen = 0;
}
#ifdef ZM_ENABLE_CENC
else if (wd->ap.staTable[id].encryMode == ZM_CENC)
{
*pIvLen = 18;
*pIcvLen= 16;
}
#endif //ZM_ENABLE_CENC
}
}
/* WDS port checking */
if ((wdsPort = vap - 0x20) >= ZM_MAX_WDS_SUPPORT)
{
wdsPort = 0;
}
switch (wd->ap.wds.encryMode[wdsPort])
{
case ZM_WEP64:
case ZM_WEP128:
case ZM_WEP256:
*pIvLen = 4;
*pIcvLen = 4;
break;
case ZM_TKIP:
*pIvLen = 8;
*pIcvLen = 4;
break;
case ZM_AES:
*pIvLen = 8;
*pIcvLen = 0;
break;
#ifdef ZM_ENABLE_CENC
case ZM_CENC:
*pIvLen = 18;
*pIcvLen = 16;
break;
#endif //ZM_ENABLE_CENC
}/* end of switch */
}
}
else if ( wd->wlanMode == ZM_MODE_PSEUDO)
{
/* test: 6518 for QA auto test */
switch (encryMode)
{
case ZM_WEP64:
case ZM_WEP128:
case ZM_WEP256:
*pIvLen = 4;
*pIcvLen = 4;
break;
case ZM_TKIP:
*pIvLen = 8;
*pIcvLen = 4;
break;
case ZM_AES:
*pIvLen = 8;
*pIcvLen = 0;
break;
#ifdef ZM_ENABLE_CENC
case ZM_CENC:
*pIvLen = 18;
*pIcvLen = 16;
#endif //ZM_ENABLE_CENC
}/* end of switch */
}
else
{
if ( (encryMode == ZM_WEP64)||
(encryMode == ZM_WEP128)||
(encryMode == ZM_WEP256) )
{
*pIvLen = 4;
*pIcvLen = 4;
}
else if ( encryMode == ZM_TKIP )
{
*pIvLen = 8;
*pIcvLen = 4;
}
else if ( encryMode == ZM_AES )
{
*pIvLen = 8;
*pIcvLen = 8; // AES MIC
}
#ifdef ZM_ENABLE_CENC
else if ( encryMode == ZM_CENC)
{
*pIvLen = 18;
*pIcvLen= 16;
}
#endif //ZM_ENABLE_CENC
}
}
/************************************************************************/
/* */
/* FUNCTION DESCRIPTION zfAgingDefragList */
/* Force flushing whole defrag list or aging the buffer */
/* in the defrag list. */
/* */
/* INPUTS */
/* dev : device pointer */
/* flushFlag : 1=>flushing, 0=>Aging */
/* */
/* OUTPUTS */
/* None */
/* */
/* AUTHOR */
/* Stephen Chen Atheros Communications, INC. 2007.1 */
/* */
/************************************************************************/
void zfAgingDefragList(zdev_t* dev, u16_t flushFlag)
{
u16_t i, j;
zmw_get_wlan_dev(dev);
zmw_declare_for_critical_section();
zmw_enter_critical_section(dev);
for(i=0; i<ZM_MAX_DEFRAG_ENTRIES; i++)
{
if (wd->defragTable.defragEntry[i].fragCount != 0 )
{
if (((wd->tick - wd->defragTable.defragEntry[i].tick) >
(ZM_DEFRAG_AGING_TIME_SEC * ZM_TICK_PER_SECOND))
|| (flushFlag != 0))
{
zm_msg1_rx(ZM_LV_2, "Aging defrag list :", i);
/* Free the buffers in the defrag list */
for (j=0; j<wd->defragTable.defragEntry[i].fragCount; j++)
{
zfwBufFree(dev, wd->defragTable.defragEntry[i].fragment[j], 0);
}
}
}
wd->defragTable.defragEntry[i].fragCount = 0;
}
zmw_leave_critical_section(dev);
return;
}
/************************************************************************/
/* */
/* FUNCTION DESCRIPTION zfAddFirstFragToDefragList */
/* Add first fragment to defragment list, the first empty entry */
/* will be selected. If the list is full, sequentially select */
/* one entry for replacement. */
/* */
/* INPUTS */
/* dev : device pointer */
/* buf : first fragment buffer */
/* addr : address of first fragment buffer */
/* seqNum : sequence of first fragment buffer */
/* */
/* OUTPUTS */
/* None */
/* */
/* AUTHOR */
/* Stephen Chen Atheros Communications, INC. 2007.1 */
/* */
/************************************************************************/
void zfAddFirstFragToDefragList(zdev_t* dev, zbuf_t* buf, u8_t* addr, u16_t seqNum)
{
u16_t i, j;
zmw_get_wlan_dev(dev);
zmw_declare_for_critical_section();
zmw_enter_critical_section(dev);
/* Find an empty one in defrag list */
for(i=0; i<ZM_MAX_DEFRAG_ENTRIES; i++)
{
if ( wd->defragTable.defragEntry[i].fragCount == 0 )
{
break;
}
}
/* If full, sequentially replace existing one */
if (i == ZM_MAX_DEFRAG_ENTRIES)
{
i = wd->defragTable.replaceNum++ & (ZM_MAX_DEFRAG_ENTRIES-1);
/* Free the buffers in the defrag list to be replaced */
for (j=0; j<wd->defragTable.defragEntry[i].fragCount; j++)
{
zfwBufFree(dev, wd->defragTable.defragEntry[i].fragment[j], 0);
}
}
wd->defragTable.defragEntry[i].fragCount = 1;
wd->defragTable.defragEntry[i].fragment[0] = buf;
wd->defragTable.defragEntry[i].seqNum = seqNum;
wd->defragTable.defragEntry[i].tick = wd->tick;
for (j=0; j<6; j++)
{
wd->defragTable.defragEntry[i].addr[j] = addr[j];
}
zmw_leave_critical_section(dev);
return;
}
/************************************************************************/
/* */
/* FUNCTION DESCRIPTION zfAddFragToDefragList */
/* Add middle or last fragment to defragment list. */
/* */
/* INPUTS */
/* dev : device pointer */
/* buf : first fragment buffer */
/* addr : address of fragment buffer */
/* seqNum : sequence fragment buffer */
/* fragNum : fragment number of fragment buffer */
/* moreFrag : more frag bit of fragment buffer */
/* addInfo : addition info of fragment buffer */
/* */
/* OUTPUTS */
/* None */
/* */
/* AUTHOR */
/* Stephen Chen Atheros Communications, INC. 2007.1 */
/* */
/************************************************************************/
zbuf_t* zfAddFragToDefragList(zdev_t* dev, zbuf_t* buf, u8_t* addr,
u16_t seqNum, u8_t fragNum, u8_t moreFrag,
struct zsAdditionInfo* addInfo)
{
u16_t i, j, k;
zbuf_t* returnBuf = NULL;
u16_t defragDone = 0;
u16_t lenErr = 0;
u16_t startAddr, fragHead, frameLen, ivLen, icvLen;
zmw_get_wlan_dev(dev);
zmw_declare_for_critical_section();
zmw_enter_critical_section(dev);
/* Find frag in the defrag list */
for(i=0; i<ZM_MAX_DEFRAG_ENTRIES; i++)
{
if ( wd->defragTable.defragEntry[i].fragCount != 0 )
{
/* Compare address */
for (j=0; j<6; j++)
{
if (addr[j] != wd->defragTable.defragEntry[i].addr[j])
{
break;
}
}
if (j == 6)
{
/* Compare sequence and fragment number */
if (seqNum == wd->defragTable.defragEntry[i].seqNum)
{
if ((fragNum == wd->defragTable.defragEntry[i].fragCount)
&& (fragNum < 8))
{
/* Add frag frame to defrag list */
wd->defragTable.defragEntry[i].fragment[fragNum] = buf;
wd->defragTable.defragEntry[i].fragCount++;
defragDone = 1;
if (moreFrag == 0)
{
/* merge all fragment if more data bit is cleared */
returnBuf = wd->defragTable.defragEntry[i].fragment[0];
startAddr = zfwBufGetSize(dev, returnBuf);
/* skip WLAN header 24(Data) or 26(QoS Data) */
fragHead = 24 + ((zmw_rx_buf_readh(dev, returnBuf, 0) & 0x80) >> 6);
zfGetRxIvIcvLength(dev, returnBuf, 0, &ivLen, &icvLen, addInfo);
fragHead += ivLen; /* skip IV */
for(k=1; k<wd->defragTable.defragEntry[i].fragCount; k++)
{
frameLen = zfwBufGetSize(dev,
wd->defragTable.defragEntry[i].fragment[k]);
if ((startAddr+frameLen-fragHead) < 1560)
{
zfRxBufferCopy(dev, returnBuf, wd->defragTable.defragEntry[i].fragment[k],
startAddr, fragHead, frameLen-fragHead);
startAddr += (frameLen-fragHead);
}
else
{
lenErr = 1;
}
zfwBufFree(dev, wd->defragTable.defragEntry[i].fragment[k], 0);
}
wd->defragTable.defragEntry[i].fragCount = 0;
zfwBufSetSize(dev, returnBuf, startAddr);
}
break;
}
}
}
}
}
zmw_leave_critical_section(dev);
if (lenErr == 1)
{
zfwBufFree(dev, returnBuf, 0);
return NULL;
}
if (defragDone == 0)
{
zfwBufFree(dev, buf, 0);
return NULL;
}
return returnBuf;
}
/* return value = NULL => save or free this frame */
zbuf_t* zfDefragment(zdev_t* dev, zbuf_t* buf, u8_t* pbIsDefrag,
struct zsAdditionInfo* addInfo)
{
u8_t fragNum;
u16_t seqNum;
u8_t moreFragBit;
u8_t addr[6];
u16_t i;
zmw_get_wlan_dev(dev);
ZM_BUFFER_TRACE(dev, buf)
*pbIsDefrag = FALSE;
seqNum = zmw_buf_readh(dev, buf, 22);
fragNum = (u8_t)(seqNum & 0xf);
moreFragBit = (zmw_buf_readb(dev, buf, 1) & ZM_BIT_2) >> 2;
if ((fragNum == 0) && (moreFragBit == 0))
{
/* Not part of a fragmentation */
return buf;
}
else
{
wd->commTally.swRxFragmentCount++;
seqNum = seqNum >> 4;
for (i=0; i<6; i++)
{
addr[i] = zmw_rx_buf_readb(dev, buf, ZM_WLAN_HEADER_A2_OFFSET+i);
}
if (fragNum == 0)
{
/* more frag = 1 */
/* First part of a fragmentation */
zm_msg1_rx(ZM_LV_2, "First Frag, seq=", seqNum);
zfAddFirstFragToDefragList(dev, buf, addr, seqNum);
buf = NULL;
}
else
{
/* Middle or last part of a fragmentation */
zm_msg1_rx(ZM_LV_2, "Frag seq=", seqNum);
zm_msg1_rx(ZM_LV_2, "Frag moreFragBit=", moreFragBit);
buf = zfAddFragToDefragList(dev, buf, addr, seqNum, fragNum, moreFragBit, addInfo);
if (buf != NULL)
{
*pbIsDefrag = TRUE;
}
}
}
return buf;
}
#if ZM_PROTOCOL_RESPONSE_SIMULATION
u16_t zfSwap(u16_t num)
{
return ((num >> 8) + ((num & 0xff) << 8));
}
void zfProtRspSim(zdev_t* dev, zbuf_t* buf)
{
u16_t ethType;
u16_t arpOp;
u16_t prot;
u16_t temp;
u16_t i;
u16_t dip[2];
u16_t dstPort;
u16_t srcPort;
ethType = zmw_rx_buf_readh(dev, buf, 12);
zm_msg2_rx(ZM_LV_2, "ethType=", ethType);
/* ARP */
if (ethType == 0x0608)
{
arpOp = zmw_rx_buf_readh(dev, buf, 20);
dip[0] = zmw_rx_buf_readh(dev, buf, 38);
dip[1] = zmw_rx_buf_readh(dev, buf, 40);
zm_msg2_rx(ZM_LV_2, "arpOp=", arpOp);
zm_msg2_rx(ZM_LV_2, "ip0=", dip[0]);
zm_msg2_rx(ZM_LV_2, "ip1=", dip[1]);
//ARP request to 192.168.1.15
if ((arpOp == 0x0100) && (dip[0] == 0xa8c0) && (dip[1] == 0x0f01));
{
zm_msg0_rx(ZM_LV_2, "ARP");
/* ARP response */
zmw_rx_buf_writeh(dev, buf, 20, 0x0200);
/* dst hardware address */
/* src hardware address */
//zmw_rx_buf_writeh(dev, buf, 6, 0xa000);
//zmw_rx_buf_writeh(dev, buf, 8, 0x0000);
//zmw_rx_buf_writeh(dev, buf, 10, 0x0000);
/* dst ip address */
for (i=0; i<5; i++)
{
temp = zmw_rx_buf_readh(dev, buf, 22+(i*2));
zmw_rx_buf_writeh(dev, buf, 32+(i*2), temp);
}
/* src hardware address */
zmw_rx_buf_writeh(dev, buf, 22, 0xa000);
zmw_rx_buf_writeh(dev, buf, 24, 0x0000);
zmw_rx_buf_writeh(dev, buf, 26, 0x0000);
/* src ip address */
zmw_rx_buf_writeh(dev, buf, 28, 0xa8c0);
zmw_rx_buf_writeh(dev, buf, 30, 0x0f01);
}
}
/* ICMP */
else if (ethType == 0x0008)
{
zm_msg0_rx(ZM_LV_2, "IP");
prot = zmw_rx_buf_readb(dev, buf, 23);
dip[0] = zmw_rx_buf_readh(dev, buf, 30);
dip[1] = zmw_rx_buf_readh(dev, buf, 32);
zm_msg2_rx(ZM_LV_2, "prot=", prot);
zm_msg2_rx(ZM_LV_2, "ip0=", dip[0]);
zm_msg2_rx(ZM_LV_2, "ip1=", dip[1]);
/* PING request to 192.168.1.15 */
if ((prot == 0x1) && (dip[0] == 0xa8c0) && (dip[1] == 0x0f01))
{
zm_msg0_rx(ZM_LV_2, "ICMP");
/* change dst */
for (i=0; i<3; i++)
{
temp = zmw_rx_buf_readh(dev, buf, 6+(i*2));
zmw_rx_buf_writeh(dev, buf, i*2, temp);
}
/* change src */
zmw_rx_buf_writeh(dev, buf, 6, 0xa000);
zmw_rx_buf_writeh(dev, buf, 8, 0x0000);
zmw_rx_buf_writeh(dev, buf, 10, 0x0000);
/* exchange src ip and dst ip */
for (i=0; i<2; i++)
{
temp = zmw_rx_buf_readh(dev, buf, 26+(i*2));
zmw_rx_buf_writeh(dev, buf, 30+(i*2), temp);
}
zmw_rx_buf_writeh(dev, buf, 26, 0xa8c0);
zmw_rx_buf_writeh(dev, buf, 28, 0x0f01);
/* change icmp type to echo reply */
zmw_rx_buf_writeb(dev, buf, 34, 0x0);
/* update icmp checksum */
temp = zmw_rx_buf_readh(dev, buf, 36);
temp += 8;
zmw_rx_buf_writeh(dev, buf, 36, temp);
}
else if (prot == 0x6)
{
zm_msg0_rx(ZM_LV_2, "TCP");
srcPort = zmw_rx_buf_readh(dev, buf, 34);
dstPort = zmw_rx_buf_readh(dev, buf, 36);
zm_msg2_rx(ZM_LV_2, "Src Port=", srcPort);
zm_msg2_rx(ZM_LV_2, "Dst Port=", dstPort);
if ((dstPort == 0x1500) || (srcPort == 0x1500))
{
zm_msg0_rx(ZM_LV_2, "FTP");
/* change dst */
for (i=0; i<3; i++)
{
temp = zmw_rx_buf_readh(dev, buf, 6+(i*2));
zmw_rx_buf_writeh(dev, buf, i*2, temp);
}
/* change src */
zmw_rx_buf_writeh(dev, buf, 6, 0xa000);
zmw_rx_buf_writeh(dev, buf, 8, 0x0000);
zmw_rx_buf_writeh(dev, buf, 10, 0x0000);
/* exchange src ip and dst ip */
for (i=0; i<2; i++)
{
temp = zmw_rx_buf_readh(dev, buf, 26+(i*2));
zmw_rx_buf_writeh(dev, buf, 30+(i*2), temp);
}
zmw_rx_buf_writeh(dev, buf, 26, 0xa8c0);
zmw_rx_buf_writeh(dev, buf, 28, 0x0f01);
#if 0
/* Patch src port */
temp = zmw_rx_buf_readh(dev, buf, 34);
temp = zfSwap(zfSwap(temp) + 1);
zmw_rx_buf_writeh(dev, buf, 34, temp);
temp = zmw_rx_buf_readh(dev, buf, 38);
temp = zfSwap(zfSwap(temp) + 1);
zmw_rx_buf_writeh(dev, buf, 38, temp);
/* Patch checksum */
temp = zmw_rx_buf_readh(dev, buf, 50);
temp = zfSwap(temp);
temp = ~temp;
temp += 2;
temp = ~temp;
temp = zfSwap(temp);
zmw_rx_buf_writeh(dev, buf, 50, temp);
#endif
}
}
else if (prot == 0x11)
{
/* change dst */
for (i=0; i<3; i++)
{
temp = zmw_rx_buf_readh(dev, buf, 6+(i*2));
zmw_rx_buf_writeh(dev, buf, i*2, temp);
}
/* change src */
zmw_rx_buf_writeh(dev, buf, 6, 0xa000);
zmw_rx_buf_writeh(dev, buf, 8, 0x0000);
zmw_rx_buf_writeh(dev, buf, 10, 0x0000);
zm_msg0_rx(ZM_LV_2, "UDP");
srcPort = zmw_rx_buf_readh(dev, buf, 34);
dstPort = zmw_rx_buf_readh(dev, buf, 36);
zm_msg2_rx(ZM_LV_2, "Src Port=", srcPort);
zm_msg2_rx(ZM_LV_2, "Dst Port=", dstPort);
/* exchange src ip and dst ip */
for (i=0; i<2; i++)
{
temp = zmw_rx_buf_readh(dev, buf, 26+(i*2));
zmw_rx_buf_writeh(dev, buf, 30+(i*2), temp);
}
zmw_rx_buf_writeh(dev, buf, 26, 0xa8c0);
zmw_rx_buf_writeh(dev, buf, 28, 0x0f01);
/* exchange port */
zmw_rx_buf_writeh(dev, buf, 34, srcPort+1);
zmw_rx_buf_writeh(dev, buf, 36, dstPort);
/* checksum = 0 */
zmw_rx_buf_writeh(dev, buf, 40, 0);
}
}
else if (ethType == 0x0060) /* =>0x0060 is port */
{
/* change src for Evl tool loop back receive */
zmw_rx_buf_writeh(dev, buf, 6, 0xa000);
zmw_rx_buf_writeh(dev, buf, 8, 0x0000);
zmw_rx_buf_writeh(dev, buf, 10, 0x0000);
}
}
#endif
/************************************************************************/
/* */
/* FUNCTION DESCRIPTION zfiTxSendEth */
/* Called to native 802.11 management frames */
/* */
/* INPUTS */
/* dev : device pointer */
/* buf : buffer pointer */
/* port : WLAN port, 0=>standard, 0x1-0x7=>VAP, 0x20-0x25=>WDS */
/* */
/* OUTPUTS */
/* error code */
/* */
/* AUTHOR */
/* Ray ZyDAS Technology Corporation 2005.5 */
/* */
/************************************************************************/
u16_t zfiTxSend80211Mgmt(zdev_t* dev, zbuf_t* buf, u16_t port)
{
u16_t err;
//u16_t addrTblSize = 0;
//struct zsAddrTbl addrTbl;
u16_t hlen;
u16_t header[(24+25+1)/2];
int i;
for(i=0;i<12;i++)
{
header[i] = zmw_buf_readh(dev, buf, i);
}
hlen = 24;
zfwBufRemoveHead(dev, buf, 24);
if ((err = zfHpSend(dev, header, hlen, NULL, 0, NULL, 0, buf, 0,
ZM_EXTERNAL_ALLOC_BUF, 0, 0)) != ZM_SUCCESS)
{
goto zlError;
}
return 0;
zlError:
zfwBufFree(dev, buf, 0);
return 0;
}
u8_t zfiIsTxQueueFull(zdev_t* dev)
{
zmw_get_wlan_dev(dev);
zmw_declare_for_critical_section();
zmw_enter_critical_section(dev);
if ((((wd->vtxqHead[0] + 1) & ZM_VTXQ_SIZE_MASK) != wd->vtxqTail[0]) )
{
zmw_leave_critical_section(dev);
return 0;
}
else
{
zmw_leave_critical_section(dev);
return 1;
}
}
/************************************************************************/
/* */
/* FUNCTION DESCRIPTION zfiTxSendEth */
/* Called to transmit Ethernet frame from upper layer. */
/* */
/* INPUTS */
/* dev : device pointer */
/* buf : buffer pointer */
/* port : WLAN port, 0=>standard, 0x1-0x7=>VAP, 0x20-0x25=>WDS */
/* */
/* OUTPUTS */
/* error code */
/* */
/* AUTHOR */
/* Stephen ZyDAS Technology Corporation 2005.5 */
/* */
/************************************************************************/
u16_t zfiTxSendEth(zdev_t* dev, zbuf_t* buf, u16_t port)
{
u16_t err, ret;
zmw_get_wlan_dev(dev);
ZM_PERFORMANCE_TX_MSDU(dev, wd->tick);
zm_msg1_tx(ZM_LV_2, "zfiTxSendEth(), port=", port);
/* Return error if port is disabled */
if ((err = zfTxPortControl(dev, buf, port)) == ZM_PORT_DISABLED)
{
err = ZM_ERR_TX_PORT_DISABLED;
goto zlError;
}
#if 1
if ((wd->wlanMode == ZM_MODE_AP) && (port < 0x20))
{
/* AP : Buffer frame for power saving STA */
if ((ret = zfApBufferPsFrame(dev, buf, port)) == 1)
{
return ZM_SUCCESS;
}
}
else
#endif
if (wd->wlanMode == ZM_MODE_INFRASTRUCTURE)
{
if ( zfPowerSavingMgrIsSleeping(dev) )
{
/*check ZM_ENABLE_POWER_SAVE flag*/
zfPowerSavingMgrWakeup(dev);
}
}
#ifdef ZM_ENABLE_IBSS_PS
/* IBSS power-saving mode */
else if ( wd->wlanMode == ZM_MODE_IBSS )
{
if ( zfStaIbssPSQueueData(dev, buf) )
{
return ZM_SUCCESS;
}
}
#endif
#if 1
//if ( wd->bQoSEnable )
if (1)
{
/* Put to VTXQ[ac] */
ret = zfPutVtxq(dev, buf);
/* Push VTXQ[ac] */
zfPushVtxq(dev);
}
else
{
ret = zfTxSendEth(dev, buf, port, ZM_EXTERNAL_ALLOC_BUF, 0);
}
return ret;
#else
return zfTxSendEth(dev, buf, port, ZM_EXTERNAL_ALLOC_BUF, 0);
#endif
zlError:
zm_msg2_tx(ZM_LV_1, "Tx Comp err=", err);
zfwBufFree(dev, buf, err);
return err;
}
/************************************************************************/
/* */
/* FUNCTION DESCRIPTION zfTxSendEth */
/* Called to transmit Ethernet frame from upper layer. */
/* */
/* INPUTS */
/* dev : device pointer */
/* buf : buffer pointer */
/* port : WLAN port, 0=>standard, 0x10-0x17=>VAP, 0x20-0x25=>WDS */
/* */
/* OUTPUTS */
/* error code */
/* */
/* AUTHOR */
/* Stephen ZyDAS Technology Corporation 2005.5 */
/* */
/************************************************************************/
u16_t zfTxSendEth(zdev_t* dev, zbuf_t* buf, u16_t port, u16_t bufType, u16_t flag)
{
u16_t err;
//u16_t addrTblSize;
//struct zsAddrTbl addrTbl;
u16_t removeLen;
u16_t header[(8+30+2+18)/2]; /* ctr+(4+a1+a2+a3+2+a4)+qos+iv */
u16_t headerLen;
u16_t mic[8/2];
u16_t micLen;
u16_t snap[8/2];
u16_t snapLen;
u16_t fragLen;
u16_t frameLen;
u16_t fragNum;
struct zsFrag frag;
u16_t i, j, id;
u16_t offset;
u16_t da[3];
u16_t sa[3];
u8_t up;
u8_t qosType, keyIdx = 0;
u16_t fragOff;
u16_t newFlag;
struct zsMicVar* pMicKey;
u8_t tkipFrameOffset = 0;
zmw_get_wlan_dev(dev);
zmw_declare_for_critical_section();
newFlag = flag & 0xff00;
flag = flag & 0xff;
zm_msg1_tx(ZM_LV_2, "zfTxSendEth(), port=", port);
/* Get IP TOS for QoS AC and IP frag offset */
zfTxGetIpTosAndFrag(dev, buf, &up, &fragOff);
//EOSP bit
if (newFlag & 0x100)
{
up |= 0x10;
}
#ifdef ZM_ENABLE_NATIVE_WIFI
if ( wd->wlanMode == ZM_MODE_INFRASTRUCTURE )
{
/* DA */
da[0] = zmw_tx_buf_readh(dev, buf, 16);
da[1] = zmw_tx_buf_readh(dev, buf, 18);
da[2] = zmw_tx_buf_readh(dev, buf, 20);
/* SA */
sa[0] = zmw_tx_buf_readh(dev, buf, 10);
sa[1] = zmw_tx_buf_readh(dev, buf, 12);
sa[2] = zmw_tx_buf_readh(dev, buf, 14);
}
else if ( wd->wlanMode == ZM_MODE_IBSS )
{
/* DA */
da[0] = zmw_tx_buf_readh(dev, buf, 4);
da[1] = zmw_tx_buf_readh(dev, buf, 6);
da[2] = zmw_tx_buf_readh(dev, buf, 8);
/* SA */
sa[0] = zmw_tx_buf_readh(dev, buf, 10);
sa[1] = zmw_tx_buf_readh(dev, buf, 12);
sa[2] = zmw_tx_buf_readh(dev, buf, 14);
}
else if ( wd->wlanMode == ZM_MODE_AP )
{
/* DA */
da[0] = zmw_tx_buf_readh(dev, buf, 4);
da[1] = zmw_tx_buf_readh(dev, buf, 6);
da[2] = zmw_tx_buf_readh(dev, buf, 8);
/* SA */
sa[0] = zmw_tx_buf_readh(dev, buf, 16);
sa[1] = zmw_tx_buf_readh(dev, buf, 18);
sa[2] = zmw_tx_buf_readh(dev, buf, 20);
}
else
{
//
}
#else
/* DA */
da[0] = zmw_tx_buf_readh(dev, buf, 0);
da[1] = zmw_tx_buf_readh(dev, buf, 2);
da[2] = zmw_tx_buf_readh(dev, buf, 4);
/* SA */
sa[0] = zmw_tx_buf_readh(dev, buf, 6);
sa[1] = zmw_tx_buf_readh(dev, buf, 8);
sa[2] = zmw_tx_buf_readh(dev, buf, 10);
#endif
//Decide Key Index in ATOM, No meaning in OTUS--CWYang(m)
if (wd->wlanMode == ZM_MODE_AP)
{
keyIdx = wd->ap.bcHalKeyIdx[port];
id = zfApFindSta(dev, da);
if (id != 0xffff)
{
switch (wd->ap.staTable[id].encryMode)
{
case ZM_AES:
case ZM_TKIP:
#ifdef ZM_ENABLE_CENC
case ZM_CENC:
#endif //ZM_ENABLE_CENC
keyIdx = wd->ap.staTable[id].keyIdx;
break;
}
}
}
else
{
switch (wd->sta.encryMode)
{
case ZM_WEP64:
case ZM_WEP128:
case ZM_WEP256:
keyIdx = wd->sta.keyId;
break;
case ZM_AES:
case ZM_TKIP:
if ((da[0] & 0x1))
keyIdx = 5;
else
keyIdx = 4;
break;
#ifdef ZM_ENABLE_CENC
case ZM_CENC:
keyIdx = wd->sta.cencKeyId;
break;
#endif //ZM_ENABLE_CENC
}
}
/* Create SNAP */
removeLen = zfTxGenWlanSnap(dev, buf, snap, &snapLen);
//zm_msg1_tx(ZM_LV_0, "fragOff=", fragOff);
/* ********************************************************************************************** */
/* Add 20071025 Mxzeng */
/* ********************************************************************************************** */
/* ---------------------------------------------------------------------------------------------- */
/* Ethernet : frameLen = zfwBufGetSize(dev, buf); */
/* ---+--6--+--6--+--2--+-----20-----+-------------------------+------ Variable -------+--------- */
/* | DA | SA | Type| IP Header | TCP(20) UDP(12) ICMP(8) | Application Payload L | */
/* ---+-----+-----+-----+------------+-------------------------+-----------------------+--------- */
/* MSDU = 6 + 6 + 2 + ( Network Layer header ) + ( Transport Layer header ) + L */
/* */
/* MSDU - DA - SA : frameLen -= removeLen; */
/* ---+--2--+-----20-----+-------------------------+------ Variable -------+--------------------- */
/* | Type| IP Header | TCP(20) UDP(12) ICMP(8) | Application Payload L | */
/* ---+-----+------------+-------------------------+-----------------------+--------------------- */
/* */
/* MPDU : frameLen + mpduLengthOffset ; */
/* -+---2---+----2---+-6-+-6-+--6--+---2----+--1--+--1-+---1---+-------3------+-frameLen-+---4--+- */
/* | frame |duration| DA|SA |BSSID|sequence|SNAP |SNAP|Control| RFC 1042 | | FCS | */
/* |Control| | | | | number |DSAP |SSAP| | encapsulation| | | */
/* -+-------+--------+---+---+-----+--------+-----+----+-------+--------------+----------+------+- */
/* ----------------------------------------------------------------------------------------------- */
if ( wd->sta.encryMode == ZM_TKIP )
tkipFrameOffset = 8;
fragLen = wd->fragThreshold + tkipFrameOffset; // Fragmentation threshold for MPDU Lengths
frameLen = zfwBufGetSize(dev, buf); // MSDU Lengths
frameLen -= removeLen; // MSDU Lengths - DA - SA
/* #1st create MIC Length manually */
micLen = 0;
/* Access Category */
if (wd->wlanMode == ZM_MODE_AP)
{
zfApGetStaQosType(dev, da, &qosType);
if (qosType == 0)
{
up = 0;
}
}
else if (wd->wlanMode == ZM_MODE_INFRASTRUCTURE)
{
if (wd->sta.wmeConnected == 0)
{
up = 0;
}
}
else
{
/* TODO : STA QoS control field */
up = 0;
}
/* #2nd Assign sequence number */
zmw_enter_critical_section(dev);
frag.seq[0] = ((wd->seq[zcUpToAc[up&0x7]]++) << 4);
zmw_leave_critical_section(dev);
/* #3rd Pass the total payload to generate MPDU length ! */
frag.buf[0] = buf;
frag.bufType[0] = bufType;
frag.flag[0] = (u8_t)flag;
fragNum = 1;
headerLen = zfTxGenWlanHeader(dev, frag.buf[0], header, frag.seq[0],
frag.flag[0], snapLen+micLen, removeLen, port, da, sa,
up, &micLen, snap, snapLen, NULL);
//zm_debug_msg1("#1 headerLen = ", headerLen);
/* #4th Check the HeaderLen and determine whether the MPDU Lengths bigger than Fragmentation threshold */
/* If MPDU Lengths large than fragmentation threshold --> headerLen = 0 */
if( headerLen != 0 )
{
zf80211FrameSend(dev, frag.buf[0], header, snapLen, da, sa, up,
headerLen, snap, mic, micLen, removeLen, frag.bufType[0],
zcUpToAc[up&0x7], keyIdx);
}
else //if( headerLen == 0 ) // Need to be fragmented
{
u16_t mpduLengthOffset;
u16_t pseudSnapLen = 0;
mpduLengthOffset = header[0] - frameLen; // For fragmentation threshold !
micLen = zfTxGenWlanTail(dev, buf, snap, snapLen, mic); // Get snap and mic information
fragLen = fragLen - mpduLengthOffset;
//zm_debug_msg1("#2 frameLen = ", frameLen);
//zm_debug_msg1("#3 fragThreshold = ", fragLen);
/* fragmentation */
if (frameLen >= fragLen)
{
//copy fragLen to frag
i = 0;
while( frameLen > 0 )
{
if ((frag.buf[i] = zfwBufAllocate(dev, fragLen+32)) != NULL)
{
frag.bufType[i] = ZM_INTERNAL_ALLOC_BUF;
frag.seq[i] = frag.seq[0] + i;
offset = removeLen + i*fragLen;
/* Consider the offset if we consider snap length to the other fragmented frame */
if ( i >= 1 )
offset = offset + pseudSnapLen*(i-1);
if (frameLen > fragLen + pseudSnapLen)
{
frag.flag[i] = flag | 0x4; /* More data */
/* First fragment */
if (i == 0)
{
/* Add SNAP */
for (j=0; j<snapLen; j+=2)
{
zmw_tx_buf_writeh(dev, frag.buf[i], j, snap[(j>>1)]);
}
zfTxBufferCopy(dev, frag.buf[i], buf, snapLen, offset, fragLen);
zfwBufSetSize(dev, frag.buf[i], snapLen+fragLen);
/* Add pseud snap length to the other fragmented frame */
pseudSnapLen = snapLen;
frameLen -= fragLen;
}
/* Intermediate Fragment */
else
{
//zfTxBufferCopy(dev, frag.buf[i], buf, 0, offset, fragLen);
//zfwBufSetSize(dev, frag.buf[i], fragLen);
zfTxBufferCopy(dev, frag.buf[i], buf, 0, offset, fragLen+pseudSnapLen );
zfwBufSetSize(dev, frag.buf[i], fragLen+pseudSnapLen);
frameLen -= (fragLen+pseudSnapLen);
}
//frameLen -= fragLen;
}
else
{
/* Last fragment */
zfTxBufferCopy(dev, frag.buf[i], buf, 0, offset, frameLen);
/* Add MIC if need */
if ( micLen )
{
zfCopyToRxBuffer(dev, frag.buf[i], (u8_t*) mic, frameLen, micLen);
}
zfwBufSetSize(dev, frag.buf[i], frameLen+micLen);
frameLen = 0;
frag.flag[i] = (u8_t)flag; /* No more data */
}
i++;
}
else
{
break;
}
// Please pay attention to the index of the buf !!!
// If write to null buf , the OS will crash !!!
zfwCopyBufContext(dev, buf, frag.buf[i-1]);
}
fragNum = i;
snapLen = micLen = removeLen = 0;
zfwBufFree(dev, buf, 0);
}
for (i=0; i<fragNum; i++)
{
/* Create WLAN header(Control Setting + 802.11 header + IV) */
headerLen = zfTxGenWlanHeader(dev, frag.buf[i], header, frag.seq[i],
frag.flag[i], snapLen+micLen, removeLen, port, da, sa, up, &micLen,
snap, snapLen, NULL);
zf80211FrameSend(dev, frag.buf[i], header, snapLen, da, sa, up,
headerLen, snap, mic, micLen, removeLen, frag.bufType[i],
zcUpToAc[up&0x7], keyIdx);
} /* for (i=0; i<fragNum; i++) */
}
return ZM_SUCCESS;
}
/************************************************************************/
/* */
/* FUNCTION DESCRIPTION zfTxPortControl */
/* Check port status. */
/* */
/* INPUTS */
/* buf : buffer pointer */
/* port : port number, 0=>standard, 10-17=>Virtual AP, 20-25=>WDS */
/* */
/* OUTPUTS */
/* ZM_PORT_ENABLED or ZM_PORT_DISABLE */
/* */
/* AUTHOR */
/* Signature ZyDAS Technology Corporation 2005.4 */
/* */
/************************************************************************/
u16_t zfTxPortControl(zdev_t* dev, zbuf_t* buf, u16_t port)
{
zmw_get_wlan_dev(dev);
if ( wd->wlanMode == ZM_MODE_INFRASTRUCTURE )
{
if ( wd->sta.adapterState == ZM_STA_STATE_DISCONNECT )
{
zm_msg0_tx(ZM_LV_3, "Packets dropped due to disconnect state");
return ZM_PORT_DISABLED;
}
}
return ZM_PORT_ENABLED;
}
/************************************************************************/
/* */
/* FUNCTION DESCRIPTION zfIdlRecv */
/* Do frame validation and filtering then pass to zfwRecv80211(). */
/* */
/* INPUTS */
/* dev : device pointer */
/* buf : received 802.11 frame buffer. */
/* */
/* OUTPUTS */
/* None */
/* */
/* AUTHOR */
/* Stephen ZyDAS Technology Corporation 2005.10 */
/* */
/************************************************************************/
void zfCoreRecv(zdev_t* dev, zbuf_t* buf, struct zsAdditionInfo* addInfo)
{
u16_t ret = 0;
u16_t bssid[3];
struct agg_tid_rx *tid_rx;
zmw_get_wlan_dev(dev);
ZM_BUFFER_TRACE(dev, buf)
/* tally */
wd->commTally.DriverRxFrmCnt++;
bssid[0] = zmw_buf_readh(dev, buf, 16);
bssid[1] = zmw_buf_readh(dev, buf, 18);
bssid[2] = zmw_buf_readh(dev, buf, 20);
/* Validate Rx frame */
if ((ret = zfWlanRxValidate(dev, buf)) != ZM_SUCCESS)
{
zm_msg1_rx(ZM_LV_1, "Rx invalid:", ret);
goto zlError;
}
#ifdef ZM_ENABLE_AGGREGATION
//#ifndef ZM_ENABLE_FW_BA_RETRANSMISSION
/*
* add by honda
*/
tid_rx = zfAggRxEnabled(dev, buf);
if (tid_rx && wd->reorder)
{
zfAggRx(dev, buf, addInfo, tid_rx);
return;
}
/*
* end of add by honda
*/
//#endif
#endif
/* Filter Rx frame */
if ((ret = zfWlanRxFilter(dev, buf)) != ZM_SUCCESS)
{
zm_msg1_rx(ZM_LV_1, "Rx duplicated:", ret);
goto zlError;
}
/* Discard error frame except mic failure */
if ((addInfo->Tail.Data.ErrorIndication & 0x3f) != 0)
{
if ( wd->XLinkMode && ((addInfo->Tail.Data.ErrorIndication & 0x3f)==0x10) &&
zfCompareWithBssid(dev, bssid) )
{
// Bypass frames !!!
}
else
{
goto zlError;
}
}
/* OTUS command-8212 dump rx packet */
if (wd->rxPacketDump)
{
zfwDumpBuf(dev, buf);
}
/* Call zfwRecv80211() wrapper function to deliver Rx packet */
/* to driver framework. */
if (wd->zfcbRecv80211 != NULL)
{
wd->zfcbRecv80211(dev, buf, addInfo); //CWYang(m)
}
else
{
zfiRecv80211(dev, buf, addInfo);
}
return;
zlError:
zm_msg1_rx(ZM_LV_1, "Free packet, error code:", ret);
wd->commTally.DriverDiscardedFrm++;
/* Free Rx buffer */
zfwBufFree(dev, buf, 0);
return;
}
void zfShowRxEAPOL(zdev_t* dev, zbuf_t* buf, u16_t offset)
{
u8_t packetType, keyType, code, identifier, type, flags;
u16_t packetLen, keyInfo, keyLen, keyDataLen, length, Op_Code;
u32_t replayCounterH, replayCounterL, vendorId, VendorType;
/* EAPOL packet type */
packetType = zmw_rx_buf_readb(dev, buf, offset+1); // 0: EAP-Packet
// 1: EAPOL-Start
// 2: EAPOL-Logoff
// 3: EAPOL-Key
// 4: EAPOL-Encapsulated-ASF-Alert
/* EAPOL frame format */
/* 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 */
/* ----------------------------------------------- */
/* PAE Ethernet Type (0x888e) */
/* ----------------------------------------------- 2 */
/* Protocol Version | Type */
/* ----------------------------------------------- 4 */
/* Length */
/* ----------------------------------------------- 6 */
/* Packet Body */
/* ----------------------------------------------- N */
/* EAPOL body length */
packetLen = (((u16_t) zmw_rx_buf_readb(dev, buf, offset+2)) << 8) +
zmw_rx_buf_readb(dev, buf, offset+3);
if( packetType == 0 )
{ // EAP-Packet
/* EAP-Packet Code */
code = zmw_rx_buf_readb(dev, buf, offset+4); // 1 : Request
// 2 : Response
// 3 : Success
// 4 : Failure
// An EAP packet of the type of Success and Failure has no Data field, and has a length of 4.
/* EAP Packet format */
/* 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 */
/* ----------------------------------------------- */
/* Code | Identifier */
/* ----------------------------------------------- 2 */
/* Length */
/* ----------------------------------------------- 4 */
/* Data */
/* ----------------------------------------------- N */
zm_debug_msg0("EAP-Packet");
zm_debug_msg1("Packet Length = ", packetLen);
zm_debug_msg1("EAP-Packet Code = ", code);
if( code == 1 )
{
zm_debug_msg0("EAP-Packet Request");
/* EAP-Packet Identifier */
identifier = zmw_rx_buf_readb(dev, buf, offset+5);
/* EAP-Packet Length */
length = (((u16_t) zmw_rx_buf_readb(dev, buf, offset+6)) << 8) +
zmw_rx_buf_readb(dev, buf, offset+7);
/* EAP-Packet Type */
type = zmw_rx_buf_readb(dev, buf, offset+8); // 1 : Identity
// 2 : Notification
// 3 : Nak (Response Only)
// 4 : MD5-Challenge
// 5 : One Time Password (OTP)
// 6 : Generic Token Card (GTC)
// 254 : (Expanded Types)Wi-Fi Protected Setup
// 255 : Experimental Use
/* The data field in an EAP packet of the type of Request or Response is in the format shown bellowing */
/* 0 1 2 3 4 5 6 7 N */
/* ----------------------------------------------- */
/* Type | Type Data */
/* ----------------------------------------------- */
zm_debug_msg1("EAP-Packet Identifier = ", identifier);
zm_debug_msg1("EAP-Packet Length = ", length);
zm_debug_msg1("EAP-Packet Type = ", type);
if( type == 1 )
{
zm_debug_msg0("EAP-Packet Request Identity");
}
else if( type == 2 )
{
zm_debug_msg0("EAP-Packet Request Notification");
}
else if( type == 4 )
{
zm_debug_msg0("EAP-Packet Request MD5-Challenge");
}
else if( type == 5 )
{
zm_debug_msg0("EAP-Packet Request One Time Password");
}
else if( type == 6 )
{
zm_debug_msg0("EAP-Packet Request Generic Token Card");
}
else if( type == 254 )
{
zm_debug_msg0("EAP-Packet Request Wi-Fi Protected Setup");
/* 0 1 2 3 */
/* 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 */
/*+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+*/
/*| Type | Vendor-Id |*/
/*+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+*/
/*| Vendor-Type |*/
/*+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+*/
/*| Vendor data... */
/*+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ */
/* EAP-Packet Vendor ID */
vendorId = (((u32_t) zmw_rx_buf_readb(dev, buf, offset+9)) << 16) +
(((u32_t) zmw_rx_buf_readb(dev, buf, offset+10)) << 8) +
zmw_rx_buf_readb(dev, buf, offset+11);
/* EAP-Packet Vendor Type */
VendorType = (((u32_t) zmw_rx_buf_readb(dev, buf, offset+12)) << 24) +
(((u32_t) zmw_rx_buf_readb(dev, buf, offset+13)) << 16) +
(((u32_t) zmw_rx_buf_readb(dev, buf, offset+14)) << 8) +
zmw_rx_buf_readb(dev, buf, offset+15);
/* EAP-Packet Op Code */
Op_Code = (((u16_t) zmw_rx_buf_readb(dev, buf, offset+16)) << 8) +
zmw_rx_buf_readb(dev, buf, offset+17);
/* EAP-Packet Flags */
flags = zmw_rx_buf_readb(dev, buf, offset+18);
zm_debug_msg1("EAP-Packet Vendor ID = ", vendorId);
zm_debug_msg1("EAP-Packet Venodr Type = ", VendorType);
zm_debug_msg1("EAP-Packet Op Code = ", Op_Code);
zm_debug_msg1("EAP-Packet Flags = ", flags);
}
}
else if( code == 2 )
{
zm_debug_msg0("EAP-Packet Response");
/* EAP-Packet Identifier */
identifier = zmw_rx_buf_readb(dev, buf, offset+5);
/* EAP-Packet Length */
length = (((u16_t) zmw_rx_buf_readb(dev, buf, offset+6)) << 8) +
zmw_rx_buf_readb(dev, buf, offset+7);
/* EAP-Packet Type */
type = zmw_rx_buf_readb(dev, buf, offset+8);
zm_debug_msg1("EAP-Packet Identifier = ", identifier);
zm_debug_msg1("EAP-Packet Length = ", length);
zm_debug_msg1("EAP-Packet Type = ", type);
if( type == 1 )
{
zm_debug_msg0("EAP-Packet Response Identity");
}
else if( type == 2 )
{
zm_debug_msg0("EAP-Packet Request Notification");
}
else if( type == 3 )
{
zm_debug_msg0("EAP-Packet Request Nak");
}
else if( type == 4 )
{
zm_debug_msg0("EAP-Packet Request MD5-Challenge");
}
else if( type == 5 )
{
zm_debug_msg0("EAP-Packet Request One Time Password");
}
else if( type == 6 )
{
zm_debug_msg0("EAP-Packet Request Generic Token Card");
}
else if( type == 254 )
{
zm_debug_msg0("EAP-Packet Response Wi-Fi Protected Setup");
/* EAP-Packet Vendor ID */
vendorId = (((u32_t) zmw_rx_buf_readb(dev, buf, offset+9)) << 16) +
(((u32_t) zmw_rx_buf_readb(dev, buf, offset+10)) << 8) +
zmw_rx_buf_readb(dev, buf, offset+11);
/* EAP-Packet Vendor Type */
VendorType = (((u32_t) zmw_rx_buf_readb(dev, buf, offset+12)) << 24) +
(((u32_t) zmw_rx_buf_readb(dev, buf, offset+13)) << 16) +
(((u32_t) zmw_rx_buf_readb(dev, buf, offset+14)) << 8) +
zmw_rx_buf_readb(dev, buf, offset+15);
/* EAP-Packet Op Code */
Op_Code = (((u16_t) zmw_rx_buf_readb(dev, buf, offset+16)) << 8) +
zmw_rx_buf_readb(dev, buf, offset+17);
/* EAP-Packet Flags */
flags = zmw_rx_buf_readb(dev, buf, offset+18);
zm_debug_msg1("EAP-Packet Vendor ID = ", vendorId);
zm_debug_msg1("EAP-Packet Venodr Type = ", VendorType);
zm_debug_msg1("EAP-Packet Op Code = ", Op_Code);
zm_debug_msg1("EAP-Packet Flags = ", flags);
}
}
else if( code == 3 )
{
zm_debug_msg0("EAP-Packet Success");
/* EAP-Packet Identifier */
identifier = zmw_rx_buf_readb(dev, buf, offset+5);
/* EAP-Packet Length */
length = (((u16_t) zmw_rx_buf_readb(dev, buf, offset+6)) << 8) +
zmw_rx_buf_readb(dev, buf, offset+7);
zm_debug_msg1("EAP-Packet Identifier = ", identifier);
zm_debug_msg1("EAP-Packet Length = ", length);
}
else if( code == 4 )
{
zm_debug_msg0("EAP-Packet Failure");
/* EAP-Packet Identifier */
identifier = zmw_rx_buf_readb(dev, buf, offset+5);
/* EAP-Packet Length */
length = (((u16_t) zmw_rx_buf_readb(dev, buf, offset+6)) << 8) +
zmw_rx_buf_readb(dev, buf, offset+7);
zm_debug_msg1("EAP-Packet Identifier = ", identifier);
zm_debug_msg1("EAP-Packet Length = ", length);
}
}
else if( packetType == 1 )
{ // EAPOL-Start
zm_debug_msg0("EAPOL-Start");
}
else if( packetType == 2 )
{ // EAPOL-Logoff
zm_debug_msg0("EAPOL-Logoff");
}
else if( packetType == 3 )
{ // EAPOL-Key
/* EAPOL-Key type */
keyType = zmw_rx_buf_readb(dev, buf, offset+4);
/* EAPOL-Key information */
keyInfo = (((u16_t) zmw_rx_buf_readb(dev, buf, offset+5)) << 8) +
zmw_rx_buf_readb(dev, buf, offset+6);
/* EAPOL-Key length */
keyLen = (((u16_t) zmw_rx_buf_readb(dev, buf, offset+7)) << 8) +
zmw_rx_buf_readb(dev, buf, offset+8);
/* EAPOL-Key replay counter (high double word) */
replayCounterH = (((u32_t) zmw_rx_buf_readb(dev, buf, offset+9)) << 24) +
(((u32_t) zmw_rx_buf_readb(dev, buf, offset+10)) << 16) +
(((u32_t) zmw_rx_buf_readb(dev, buf, offset+11)) << 8) +
zmw_rx_buf_readb(dev, buf, offset+12);
/* EAPOL-Key replay counter (low double word) */
replayCounterL = (((u32_t) zmw_rx_buf_readb(dev, buf, offset+13)) << 24) +
(((u32_t) zmw_rx_buf_readb(dev, buf, offset+14)) << 16) +
(((u32_t) zmw_rx_buf_readb(dev, buf, offset+15)) << 8) +
zmw_rx_buf_readb(dev, buf, offset+16);
/* EAPOL-Key data length */
keyDataLen = (((u16_t) zmw_rx_buf_readb(dev, buf, offset+97)) << 8) +
zmw_rx_buf_readb(dev, buf, offset+98);
zm_debug_msg0("EAPOL-Key");
zm_debug_msg1("packet length = ", packetLen);
if ( keyType == 254 )
{
zm_debug_msg0("key type = 254 (SSN key descriptor)");
}
else
{
zm_debug_msg2("key type = 0x", keyType);
}
zm_debug_msg2("replay counter(L) = ", replayCounterL);
zm_debug_msg2("key information = ", keyInfo);
if ( keyInfo & ZM_BIT_3 )
{
zm_debug_msg0(" - pairwise key");
}
else
{
zm_debug_msg0(" - group key");
}
if ( keyInfo & ZM_BIT_6 )
{
zm_debug_msg0(" - Tx key installed");
}
else
{
zm_debug_msg0(" - Tx key not set");
}
if ( keyInfo & ZM_BIT_7 )
{
zm_debug_msg0(" - Ack needed");
}
else
{
zm_debug_msg0(" - Ack not needed");
}
if ( keyInfo & ZM_BIT_8 )
{
zm_debug_msg0(" - MIC set");
}
else
{
zm_debug_msg0(" - MIC not set");
}
if ( keyInfo & ZM_BIT_9 )
{
zm_debug_msg0(" - packet encrypted");
}
else
{
zm_debug_msg0(" - packet not encrypted");
}
zm_debug_msg1("keyLen = ", keyLen);
zm_debug_msg1("keyDataLen = ", keyDataLen);
}
else if( packetType == 4 )
{
zm_debug_msg0("EAPOL-Encapsulated-ASF-Alert");
}
}
void zfShowTxEAPOL(zdev_t* dev, zbuf_t* buf, u16_t offset)
{
u8_t packetType, keyType, code, identifier, type, flags;
u16_t packetLen, keyInfo, keyLen, keyDataLen, length, Op_Code;
u32_t replayCounterH, replayCounterL, vendorId, VendorType;
zmw_get_wlan_dev(dev);
zm_debug_msg1("EAPOL Packet size = ", zfwBufGetSize(dev, buf));
/* EAPOL packet type */
// 0: EAP-Packet
// 1: EAPOL-Start
// 2: EAPOL-Logoff
// 3: EAPOL-Key
// 4: EAPOL-Encapsulated-ASF-Alert
/* EAPOL frame format */
/* 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 */
/* ----------------------------------------------- */
/* PAE Ethernet Type (0x888e) */
/* ----------------------------------------------- 2 */
/* Protocol Version | Type */
/* ----------------------------------------------- 4 */
/* Length */
/* ----------------------------------------------- 6 */
/* Packet Body */
/* ----------------------------------------------- N */
packetType = zmw_tx_buf_readb(dev, buf, offset+1);
/* EAPOL body length */
packetLen = (((u16_t) zmw_tx_buf_readb(dev, buf, offset+2)) << 8) +
zmw_tx_buf_readb(dev, buf, offset+3);
if( packetType == 0 )
{ // EAP-Packet
/* EAP-Packet Code */
code = zmw_tx_buf_readb(dev, buf, offset+4); // 1 : Request
// 2 : Response
// 3 : Success
// 4 : Failure
// An EAP packet of the type of Success and Failure has no Data field, and has a length of 4.
/* EAP Packet format */
/* 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 */
/* ----------------------------------------------- */
/* Code | Identifier */
/* ----------------------------------------------- 2 */
/* Length */
/* ----------------------------------------------- 4 */
/* Data */
/* ----------------------------------------------- N */
zm_debug_msg0("EAP-Packet");
zm_debug_msg1("Packet Length = ", packetLen);
zm_debug_msg1("EAP-Packet Code = ", code);
if( code == 1 )
{
zm_debug_msg0("EAP-Packet Request");
/* EAP-Packet Identifier */
identifier = zmw_tx_buf_readb(dev, buf, offset+5);
/* EAP-Packet Length */
length = (((u16_t) zmw_tx_buf_readb(dev, buf, offset+6)) << 8) +
zmw_tx_buf_readb(dev, buf, offset+7);
/* EAP-Packet Type */
type = zmw_tx_buf_readb(dev, buf, offset+8); // 1 : Identity
// 2 : Notification
// 3 : Nak (Response Only)
// 4 : MD5-Challenge
// 5 : One Time Password (OTP)
// 6 : Generic Token Card (GTC)
// 254 : (Expanded Types)Wi-Fi Protected Setup
// 255 : Experimental Use
/* The data field in an EAP packet of the type of Request or Response is in the format shown bellowing */
/* 0 1 2 3 4 5 6 7 N */
/* ----------------------------------------------- */
/* Type | Type Data */
/* ----------------------------------------------- */
zm_debug_msg1("EAP-Packet Identifier = ", identifier);
zm_debug_msg1("EAP-Packet Length = ", length);
zm_debug_msg1("EAP-Packet Type = ", type);
if( type == 1 )
{
zm_debug_msg0("EAP-Packet Request Identity");
}
else if( type == 2 )
{
zm_debug_msg0("EAP-Packet Request Notification");
}
else if( type == 4 )
{
zm_debug_msg0("EAP-Packet Request MD5-Challenge");
}
else if( type == 5 )
{
zm_debug_msg0("EAP-Packet Request One Time Password");
}
else if( type == 6 )
{
zm_debug_msg0("EAP-Packet Request Generic Token Card");
}
else if( type == 254 )
{
zm_debug_msg0("EAP-Packet Request Wi-Fi Protected Setup");
/* 0 1 2 3 */
/* 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 */
/*+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+*/
/*| Type | Vendor-Id |*/
/*+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+*/
/*| Vendor-Type |*/
/*+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+*/
/*| Vendor data... */
/*+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ */
/* EAP-Packet Vendor ID */
vendorId = (((u32_t) zmw_tx_buf_readb(dev, buf, offset+9)) << 16) +
(((u32_t) zmw_tx_buf_readb(dev, buf, offset+10)) << 8) +
zmw_tx_buf_readb(dev, buf, offset+11);
/* EAP-Packet Vendor Type */
VendorType = (((u32_t) zmw_tx_buf_readb(dev, buf, offset+12)) << 24) +
(((u32_t) zmw_tx_buf_readb(dev, buf, offset+13)) << 16) +
(((u32_t) zmw_tx_buf_readb(dev, buf, offset+14)) << 8) +
zmw_tx_buf_readb(dev, buf, offset+15);
/* EAP-Packet Op Code */
Op_Code = (((u16_t) zmw_tx_buf_readb(dev, buf, offset+16)) << 8) +
zmw_tx_buf_readb(dev, buf, offset+17);
/* EAP-Packet Flags */
flags = zmw_tx_buf_readb(dev, buf, offset+18);
zm_debug_msg1("EAP-Packet Vendor ID = ", vendorId);
zm_debug_msg1("EAP-Packet Venodr Type = ", VendorType);
zm_debug_msg1("EAP-Packet Op Code = ", Op_Code);
zm_debug_msg1("EAP-Packet Flags = ", flags);
}
}
else if( code == 2 )
{
zm_debug_msg0("EAP-Packet Response");
/* EAP-Packet Identifier */
identifier = zmw_tx_buf_readb(dev, buf, offset+5);
/* EAP-Packet Length */
length = (((u16_t) zmw_tx_buf_readb(dev, buf, offset+6)) << 8) +
zmw_tx_buf_readb(dev, buf, offset+7);
/* EAP-Packet Type */
type = zmw_tx_buf_readb(dev, buf, offset+8);
zm_debug_msg1("EAP-Packet Identifier = ", identifier);
zm_debug_msg1("EAP-Packet Length = ", length);
zm_debug_msg1("EAP-Packet Type = ", type);
if( type == 1 )
{
zm_debug_msg0("EAP-Packet Response Identity");
}
else if( type == 2 )
{
zm_debug_msg0("EAP-Packet Request Notification");
}
else if( type == 3 )
{
zm_debug_msg0("EAP-Packet Request Nak");
}
else if( type == 4 )
{
zm_debug_msg0("EAP-Packet Request MD5-Challenge");
}
else if( type == 5 )
{
zm_debug_msg0("EAP-Packet Request One Time Password");
}
else if( type == 6 )
{
zm_debug_msg0("EAP-Packet Request Generic Token Card");
}
else if( type == 254 )
{
zm_debug_msg0("EAP-Packet Response Wi-Fi Protected Setup");
/* EAP-Packet Vendor ID */
vendorId = (((u32_t) zmw_tx_buf_readb(dev, buf, offset+9)) << 16) +
(((u32_t) zmw_tx_buf_readb(dev, buf, offset+10)) << 8) +
zmw_tx_buf_readb(dev, buf, offset+11);
/* EAP-Packet Vendor Type */
VendorType = (((u32_t) zmw_tx_buf_readb(dev, buf, offset+12)) << 24) +
(((u32_t) zmw_tx_buf_readb(dev, buf, offset+13)) << 16) +
(((u32_t) zmw_tx_buf_readb(dev, buf, offset+14)) << 8) +
zmw_tx_buf_readb(dev, buf, offset+15);
/* EAP-Packet Op Code */
Op_Code = (((u16_t) zmw_tx_buf_readb(dev, buf, offset+16)) << 8) +
zmw_tx_buf_readb(dev, buf, offset+17);
/* EAP-Packet Flags */
flags = zmw_tx_buf_readb(dev, buf, offset+18);
zm_debug_msg1("EAP-Packet Vendor ID = ", vendorId);
zm_debug_msg1("EAP-Packet Venodr Type = ", VendorType);
zm_debug_msg1("EAP-Packet Op Code = ", Op_Code);
zm_debug_msg1("EAP-Packet Flags = ", flags);
}
}
else if( code == 3 )
{
zm_debug_msg0("EAP-Packet Success");
/* EAP-Packet Identifier */
identifier = zmw_rx_buf_readb(dev, buf, offset+5);
/* EAP-Packet Length */
length = (((u16_t) zmw_rx_buf_readb(dev, buf, offset+6)) << 8) +
zmw_rx_buf_readb(dev, buf, offset+7);
zm_debug_msg1("EAP-Packet Identifier = ", identifier);
zm_debug_msg1("EAP-Packet Length = ", length);
}
else if( code == 4 )
{
zm_debug_msg0("EAP-Packet Failure");
/* EAP-Packet Identifier */
identifier = zmw_tx_buf_readb(dev, buf, offset+5);
/* EAP-Packet Length */
length = (((u16_t) zmw_tx_buf_readb(dev, buf, offset+6)) << 8) +
zmw_tx_buf_readb(dev, buf, offset+7);
zm_debug_msg1("EAP-Packet Identifier = ", identifier);
zm_debug_msg1("EAP-Packet Length = ", length);
}
}
else if( packetType == 1 )
{ // EAPOL-Start
zm_debug_msg0("EAPOL-Start");
}
else if( packetType == 2 )
{ // EAPOL-Logoff
zm_debug_msg0("EAPOL-Logoff");
}
else if( packetType == 3 )
{ // EAPOL-Key
/* EAPOL-Key type */
keyType = zmw_tx_buf_readb(dev, buf, offset+4);
/* EAPOL-Key information */
keyInfo = (((u16_t) zmw_tx_buf_readb(dev, buf, offset+5)) << 8) +
zmw_tx_buf_readb(dev, buf, offset+6);
/* EAPOL-Key length */
keyLen = (((u16_t) zmw_tx_buf_readb(dev, buf, offset+7)) << 8) +
zmw_tx_buf_readb(dev, buf, offset+8);
/* EAPOL-Key replay counter (high double word) */
replayCounterH = (((u32_t) zmw_tx_buf_readb(dev, buf, offset+9)) << 24) +
(((u32_t) zmw_tx_buf_readb(dev, buf, offset+10)) << 16) +
(((u32_t) zmw_tx_buf_readb(dev, buf, offset+11)) << 8) +
zmw_tx_buf_readb(dev, buf, offset+12);
/* EAPOL-Key replay counter (low double word) */
replayCounterL = (((u32_t) zmw_tx_buf_readb(dev, buf, offset+13)) << 24) +
(((u32_t) zmw_tx_buf_readb(dev, buf, offset+14)) << 16) +
(((u32_t) zmw_tx_buf_readb(dev, buf, offset+15)) << 8) +
zmw_tx_buf_readb(dev, buf, offset+16);
/* EAPOL-Key data length */
keyDataLen = (((u16_t) zmw_tx_buf_readb(dev, buf, offset+97)) << 8) +
zmw_tx_buf_readb(dev, buf, offset+98);
zm_debug_msg0("EAPOL-Key");
zm_debug_msg1("packet length = ", packetLen);
if ( keyType == 254 )
{
zm_debug_msg0("key type = 254 (SSN key descriptor)");
}
else
{
zm_debug_msg2("key type = 0x", keyType);
}
zm_debug_msg2("replay counter(L) = ", replayCounterL);
zm_debug_msg2("key information = ", keyInfo);
if ( keyInfo & ZM_BIT_3 )
{
zm_debug_msg0(" - pairwise key");
}
else
{
zm_debug_msg0(" - group key");
}
if ( keyInfo & ZM_BIT_6 )
{
zm_debug_msg0(" - Tx key installed");
}
else
{
zm_debug_msg0(" - Tx key not set");
}
if ( keyInfo & ZM_BIT_7 )
{
zm_debug_msg0(" - Ack needed");
}
else
{
zm_debug_msg0(" - Ack not needed");
}
if ( keyInfo & ZM_BIT_8 )
{
zm_debug_msg0(" - MIC set");
}
else
{
zm_debug_msg0(" - MIC not set");
}
if ( keyInfo & ZM_BIT_9 )
{
zm_debug_msg0(" - packet encrypted");
}
else
{
zm_debug_msg0(" - packet not encrypted");
}
zm_debug_msg1("keyLen = ", keyLen);
zm_debug_msg1("keyDataLen = ", keyDataLen);
}
else if( packetType == 4 )
{
zm_debug_msg0("EAPOL-Encapsulated-ASF-Alert");
}
}
/************************************************************************/
/* */
/* FUNCTION DESCRIPTION zfiRecv80211 */
/* Called to receive 802.11 frame. */
/* */
/* INPUTS */
/* dev : device pointer */
/* buf : received 802.11 frame buffer. */
/* */
/* OUTPUTS */
/* None */
/* */
/* AUTHOR */
/* Stephen ZyDAS Technology Corporation 2005.5 */
/* */
/************************************************************************/
void zfiRecv80211(zdev_t* dev, zbuf_t* buf, struct zsAdditionInfo* addInfo)
{
u8_t snapCase=0, encryMode;
u16_t frameType, typeLengthField;
u16_t frameCtrl;
u16_t frameSubtype;
u16_t ret;
u16_t len;
u8_t bIsDefrag = 0;
u16_t offset, tailLen;
u8_t vap = 0;
u16_t da[3], sa[3];
u16_t ii;
u8_t uapsdTrig = 0;
zbuf_t* psBuf;
#ifdef ZM_ENABLE_NATIVE_WIFI
u8_t i;
#endif
zmw_get_wlan_dev(dev);
ZM_BUFFER_TRACE(dev, buf)
//zm_msg2_rx(ZM_LV_2, "zfiRecv80211(), buf=", buf);
//zm_msg2_rx(ZM_LV_0, "h[0]=", zmw_rx_buf_readh(dev, buf, 0));
//zm_msg2_rx(ZM_LV_0, "h[2]=", zmw_rx_buf_readh(dev, buf, 2));
//zm_msg2_rx(ZM_LV_0, "h[4]=", zmw_rx_buf_readh(dev, buf, 4));
frameCtrl = zmw_rx_buf_readb(dev, buf, 0);
frameType = frameCtrl & 0xf;
frameSubtype = frameCtrl & 0xf0;
#if 0 // Move to ProcessBeacon to judge if there's a new peer station
if ( (wd->wlanMode == ZM_MODE_IBSS)&&
(wd->sta.ibssPartnerStatus != ZM_IBSS_PARTNER_ALIVE) )
{
zfStaIbssMonitoring(dev, buf);
}
#endif
/* If data frame */
if (frameType == ZM_WLAN_DATA_FRAME)
{
wd->sta.TotalNumberOfReceivePackets++;
wd->sta.TotalNumberOfReceiveBytes += zfwBufGetSize(dev, buf);
//zm_debug_msg1("Receive packets = ", wd->sta.TotalNumberOfReceivePackets);
//zm_msg0_rx(ZM_LV_0, "Rx data");
if (wd->wlanMode == ZM_MODE_AP)
{
if ((ret = zfApUpdatePsBit(dev, buf, &vap, &uapsdTrig)) != ZM_SUCCESS)
{
zfwBufFree(dev, buf, 0);
return;
}
if (((uapsdTrig&0xf) != 0) && ((frameSubtype & 0x80) != 0))
{
u8_t ac = zcUpToAc[zmw_buf_readb(dev, buf, 24)&0x7];
u8_t pktNum;
u8_t mb;
u16_t flag;
u8_t src[6];
//printk("QoS ctrl=%d\n", zmw_buf_readb(dev, buf, 24));
//printk("UAPSD trigger, ac=%d\n", ac);
if (((0x8>>ac) & uapsdTrig) != 0)
{
pktNum = zcMaxspToPktNum[(uapsdTrig>>4) & 0x3];
for (ii=0; ii<6; ii++)
{
src[ii] = zmw_buf_readb(dev, buf, ZM_WLAN_HEADER_A2_OFFSET+ii);
}
for (ii=0; ii<pktNum; ii++)
{
//if ((psBuf = zfQueueGet(dev, wd->ap.uapsdQ)) != NULL)
if ((psBuf = zfQueueGetWithMac(dev, wd->ap.uapsdQ, src, &mb)) != NULL)
{
if ((ii+1) == pktNum)
{
//EOSP anyway
flag = 0x100 | (mb<<5);
}
else
{
if (mb != 0)
{
//more data, not EOSP
flag = 0x20;
}
else
{
//no more data, EOSP
flag = 0x100;
}
}
zfTxSendEth(dev, psBuf, 0, ZM_EXTERNAL_ALLOC_BUF, flag);
}
if ((psBuf == NULL) || (mb == 0))
{
if ((ii == 0) && (psBuf == NULL))
{
zfSendMmFrame(dev, ZM_WLAN_FRAME_TYPE_QOS_NULL, (u16_t*)src, 0, 0, 0);
}
break;
}
}
}
}
}
else if ( wd->wlanMode == ZM_MODE_INFRASTRUCTURE )
{
u16_t frameCtrlMSB;
u8_t bssid[6];
/* Check Is RIFS frame and decide to enable RIFS or not */
if( wd->sta.EnableHT )
zfCheckIsRIFSFrame(dev, buf, frameSubtype);
if ( zfPowerSavingMgrIsSleeping(dev) || wd->sta.psMgr.tempWakeUp == 1)
{
frameCtrlMSB = zmw_rx_buf_readb(dev, buf, 1);
/* check more data */
if ( frameCtrlMSB & ZM_BIT_5 )
{
//if rx frame's AC is not delivery-enabled
if ((wd->sta.qosInfo&0xf) != 0xf)
{
u8_t rxAc = 0;
if ((frameSubtype & 0x80) != 0)
{
rxAc = zcUpToAc[zmw_buf_readb(dev, buf, 24)&0x7];
}
if (((0x8>>rxAc) & wd->sta.qosInfo) == 0)
{
zfSendPSPoll(dev);
wd->sta.psMgr.tempWakeUp = 0;
}
}
}
}
/*increase beacon count when receive vaild data frame from AP*/
ZM_MAC_WORD_TO_BYTE(wd->sta.bssid, bssid);
if (zfStaIsConnected(dev)&&
zfRxBufferEqualToStr(dev, buf, bssid, ZM_WLAN_HEADER_A2_OFFSET, 6))
{
wd->sta.rxBeaconCount++;
}
}
zm_msg1_rx(ZM_LV_2, "Rx VAP=", vap);
/* handle IV, EXT-IV, ICV, and EXT-ICV */
zfGetRxIvIcvLength(dev, buf, vap, &offset, &tailLen, addInfo);
zfStaIbssPSCheckState(dev, buf);
//QoS data frame
if ((frameSubtype & 0x80) == 0x80)
{
offset += 2;
}
len = zfwBufGetSize(dev, buf);
/* remove ICV */
if (tailLen > 0)
{
if (len > tailLen)
{
len -= tailLen;
zfwBufSetSize(dev, buf, len);
}
}
/* Filter NULL data */
if (((frameSubtype&0x40) != 0) || ((len = zfwBufGetSize(dev, buf))<=24))
{
zm_msg1_rx(ZM_LV_1, "Free Rx NULL data, len=", len);
zfwBufFree(dev, buf, 0);
return;
}
/* check and handle defragmentation */
if ( wd->sta.bSafeMode && (wd->sta.wepStatus == ZM_ENCRYPTION_AES) && wd->sta.SWEncryptEnable )
{
zm_msg0_rx(ZM_LV_1, "Bypass defragmentation packets in safe mode");
}
else
{
if ( (buf = zfDefragment(dev, buf, &bIsDefrag, addInfo)) == NULL )
{
/* In this case, the buffer has been freed in zfDefragment */
return;
}
}
ret = ZM_MIC_SUCCESS;
/* If SW WEP/TKIP are not turned on */
if ((wd->sta.SWEncryptEnable & ZM_SW_TKIP_DECRY_EN) == 0 &&
(wd->sta.SWEncryptEnable & ZM_SW_WEP_DECRY_EN) == 0)
{
encryMode = zfGetEncryModeFromRxStatus(addInfo);
/* check if TKIP */
if ( encryMode == ZM_TKIP )
{
if ( bIsDefrag )
{
ret = zfMicRxVerify(dev, buf);
}
else
{
/* check MIC failure bit */
if ( ZM_RX_STATUS_IS_MIC_FAIL(addInfo) )
{
ret = ZM_MIC_FAILURE;
}
}
if ( ret == ZM_MIC_FAILURE )
{
u8_t Unicast_Pkt = 0x0;
if ((zmw_rx_buf_readh(dev, buf, ZM_WLAN_HEADER_A1_OFFSET) & 0x1) == 0)
{
wd->commTally.swRxUnicastMicFailCount++;
Unicast_Pkt = 0x1;
}/*
else if (zmw_rx_buf_readh(dev, buf, ZM_WLAN_HEADER_A1_OFFSET) == 0xffff)
{
wd->commTally.swRxMulticastMicFailCount++;
}*/
else
{
wd->commTally.swRxMulticastMicFailCount++;
}
if ( wd->wlanMode == ZM_MODE_AP )
{
u16_t idx;
u8_t addr[6];
for (idx=0; idx<6; idx++)
{
addr[idx] = zmw_rx_buf_readb(dev, buf, ZM_WLAN_HEADER_A2_OFFSET+idx);
}
if (wd->zfcbApMicFailureNotify != NULL)
{
wd->zfcbApMicFailureNotify(dev, addr, buf);
}
}
else
{
if(Unicast_Pkt)
{
zm_debug_msg0("Countermeasure : Unicast_Pkt ");
}
else
{
zm_debug_msg0("Countermeasure : Non-Unicast_Pkt ");
}
if((wd->TKIP_Group_KeyChanging == 0x0) || (Unicast_Pkt == 0x1))
{
zm_debug_msg0("Countermeasure : Do MIC Check ");
zfStaMicFailureHandling(dev, buf);
}
else
{
zm_debug_msg0("Countermeasure : SKIP MIC Check due to Group Keychanging ");
}
}
/* Discard MIC failed frame */
zfwBufFree(dev, buf, 0);
return;
}
}
}
else
{
u8_t IsEncryFrame;
/* TODO: Check whether WEP bit is turned on in MAC header */
encryMode = ZM_NO_WEP;
IsEncryFrame = (zmw_rx_buf_readb(dev, buf, 1) & 0x40);
if (IsEncryFrame)
{
/* Software decryption for TKIP */
if (wd->sta.SWEncryptEnable & ZM_SW_TKIP_DECRY_EN)
{
u16_t iv16;
u16_t iv32;
u8_t RC4Key[16];
u16_t IvOffset;
struct zsTkipSeed *rxSeed;
IvOffset = offset + ZM_SIZE_OF_WLAN_DATA_HEADER;
rxSeed = zfStaGetRxSeed(dev, buf);
if (rxSeed == NULL)
{
zm_debug_msg0("rxSeed is NULL");
/* Discard this frame */
zfwBufFree(dev, buf, 0);
return;
}
iv16 = (zmw_rx_buf_readb(dev, buf, IvOffset) << 8) + zmw_rx_buf_readb(dev, buf, IvOffset+2);
iv32 = zmw_rx_buf_readb(dev, buf, IvOffset+4) +
(zmw_rx_buf_readb(dev, buf, IvOffset+5) << 8) +
(zmw_rx_buf_readb(dev, buf, IvOffset+6) << 16) +
(zmw_rx_buf_readb(dev, buf, IvOffset+7) << 24);
/* TKIP Key Mixing */
zfTkipPhase1KeyMix(iv32, rxSeed);
zfTkipPhase2KeyMix(iv16, rxSeed);
zfTkipGetseeds(iv16, RC4Key, rxSeed);
/* Decrypt Data */
ret = zfTKIPDecrypt(dev, buf, IvOffset+ZM_SIZE_OF_IV+ZM_SIZE_OF_EXT_IV, 16, RC4Key);
if (ret == ZM_ICV_FAILURE)
{
zm_debug_msg0("TKIP ICV fail");
/* Discard ICV failed frame */
zfwBufFree(dev, buf, 0);
return;
}
/* Remove ICV from buffer */
zfwBufSetSize(dev, buf, len-4);
/* Check MIC */
ret = zfMicRxVerify(dev, buf);
if (ret == ZM_MIC_FAILURE)
{
if ((zmw_rx_buf_readh(dev, buf, ZM_WLAN_HEADER_A1_OFFSET) & 0x1) == 0)
{
wd->commTally.swRxUnicastMicFailCount++;
}
else if (zmw_rx_buf_readh(dev, buf, ZM_WLAN_HEADER_A1_OFFSET) == 0xffff)
{
wd->commTally.swRxMulticastMicFailCount++;
}
else
{
wd->commTally.swRxMulticastMicFailCount++;
}
if ( wd->wlanMode == ZM_MODE_AP )
{
u16_t idx;
u8_t addr[6];
for (idx=0; idx<6; idx++)
{
addr[idx] = zmw_rx_buf_readb(dev, buf, ZM_WLAN_HEADER_A2_OFFSET+idx);
}
if (wd->zfcbApMicFailureNotify != NULL)
{
wd->zfcbApMicFailureNotify(dev, addr, buf);
}
}
else
{
zfStaMicFailureHandling(dev, buf);
}
zm_debug_msg0("MIC fail");
/* Discard MIC failed frame */
zfwBufFree(dev, buf, 0);
return;
}
encryMode = ZM_TKIP;
offset += ZM_SIZE_OF_IV + ZM_SIZE_OF_EXT_IV;
}
else if(wd->sta.SWEncryptEnable & ZM_SW_WEP_DECRY_EN)
{
u16_t IvOffset;
u8_t keyLen = 5;
u8_t iv[3];
u8_t *wepKey;
u8_t keyIdx;
IvOffset = offset + ZM_SIZE_OF_WLAN_DATA_HEADER;
/* Retrieve IV */
iv[0] = zmw_rx_buf_readb(dev, buf, IvOffset);
iv[1] = zmw_rx_buf_readb(dev, buf, IvOffset+1);
iv[2] = zmw_rx_buf_readb(dev, buf, IvOffset+2);
keyIdx = ((zmw_rx_buf_readb(dev, buf, IvOffset+3) >> 6) & 0x03);
IvOffset += ZM_SIZE_OF_IV;
if (wd->sta.SWEncryMode[keyIdx] == ZM_WEP64)
{
keyLen = 5;
}
else if (wd->sta.SWEncryMode[keyIdx] == ZM_WEP128)
{
keyLen = 13;
}
else if (wd->sta.SWEncryMode[keyIdx] == ZM_WEP256)
{
keyLen = 29;
}
zfWEPDecrypt(dev, buf, IvOffset, keyLen, wd->sta.wepKey[keyIdx], iv);
if (ret == ZM_ICV_FAILURE)
{
zm_debug_msg0("WEP ICV fail");
/* Discard ICV failed frame */
zfwBufFree(dev, buf, 0);
return;
}
encryMode = wd->sta.SWEncryMode[keyIdx];
/* Remove ICV from buffer */
zfwBufSetSize(dev, buf, len-4);
offset += ZM_SIZE_OF_IV;
}
}
}
#ifdef ZM_ENABLE_CENC
//else if ( encryMode == ZM_CENC ) /* check if CENC */
if ( encryMode == ZM_CENC )
{
u32_t rxIV[4];
rxIV[0] = (zmw_rx_buf_readh(dev, buf, 28) << 16)
+ zmw_rx_buf_readh(dev, buf, 26);
rxIV[1] = (zmw_rx_buf_readh(dev, buf, 32) << 16)
+ zmw_rx_buf_readh(dev, buf, 30);
rxIV[2] = (zmw_rx_buf_readh(dev, buf, 36) << 16)
+ zmw_rx_buf_readh(dev, buf, 34);
rxIV[3] = (zmw_rx_buf_readh(dev, buf, 40) << 16)
+ zmw_rx_buf_readh(dev, buf, 38);
//zm_debug_msg2("rxIV[0] = 0x", rxIV[0]);
//zm_debug_msg2("rxIV[1] = 0x", rxIV[1]);
//zm_debug_msg2("rxIV[2] = 0x", rxIV[2]);
//zm_debug_msg2("rxIV[3] = 0x", rxIV[3]);
/* destination address*/
da[0] = zmw_rx_buf_readh(dev, buf, ZM_WLAN_HEADER_A1_OFFSET);
da[1] = zmw_rx_buf_readh(dev, buf, ZM_WLAN_HEADER_A1_OFFSET+2);
da[2] = zmw_rx_buf_readh(dev, buf, ZM_WLAN_HEADER_A1_OFFSET+4);
if ( wd->wlanMode == ZM_MODE_AP )
{
}
else
{
if ((da[0] & 0x1))
{ //multicast frame
/* Accumlate the PN sequence */
wd->sta.rxivGK[0] ++;
if (wd->sta.rxivGK[0] == 0)
{
wd->sta.rxivGK[1]++;
}
if (wd->sta.rxivGK[1] == 0)
{
wd->sta.rxivGK[2]++;
}
if (wd->sta.rxivGK[2] == 0)
{
wd->sta.rxivGK[3]++;
}
if (wd->sta.rxivGK[3] == 0)
{
wd->sta.rxivGK[0] = 0;
wd->sta.rxivGK[1] = 0;
wd->sta.rxivGK[2] = 0;
}
//zm_debug_msg2("wd->sta.rxivGK[0] = 0x", wd->sta.rxivGK[0]);
//zm_debug_msg2("wd->sta.rxivGK[1] = 0x", wd->sta.rxivGK[1]);
//zm_debug_msg2("wd->sta.rxivGK[2] = 0x", wd->sta.rxivGK[2]);
//zm_debug_msg2("wd->sta.rxivGK[3] = 0x", wd->sta.rxivGK[3]);
if ( !((wd->sta.rxivGK[0] == rxIV[0])
&& (wd->sta.rxivGK[1] == rxIV[1])
&& (wd->sta.rxivGK[2] == rxIV[2])
&& (wd->sta.rxivGK[3] == rxIV[3])))
{
u8_t PacketDiscard = 0;
/* Discard PN Code Error frame */
if (rxIV[0] < wd->sta.rxivGK[0])
{
PacketDiscard = 1;
}
if (wd->sta.rxivGK[0] > 0xfffffff0)
{ //boundary case
if ((rxIV[0] < 0xfffffff0)
&& (((0xffffffff - wd->sta.rxivGK[0]) + rxIV[0]) > 16))
{
PacketDiscard = 1;
}
}
else
{ //normal case
if ((rxIV[0] - wd->sta.rxivGK[0]) > 16)
{
PacketDiscard = 1;
}
}
// sync sta pn code with ap because of losting some packets
wd->sta.rxivGK[0] = rxIV[0];
wd->sta.rxivGK[1] = rxIV[1];
wd->sta.rxivGK[2] = rxIV[2];
wd->sta.rxivGK[3] = rxIV[3];
if (PacketDiscard)
{
zm_debug_msg0("Discard PN Code lost too much multicast frame");
zfwBufFree(dev, buf, 0);
return;
}
}
}
else
{ //unicast frame
/* Accumlate the PN sequence */
wd->sta.rxiv[0] += 2;
if (wd->sta.rxiv[0] == 0 || wd->sta.rxiv[0] == 1)
{
wd->sta.rxiv[1]++;
}
if (wd->sta.rxiv[1] == 0)
{
wd->sta.rxiv[2]++;
}
if (wd->sta.rxiv[2] == 0)
{
wd->sta.rxiv[3]++;
}
if (wd->sta.rxiv[3] == 0)
{
wd->sta.rxiv[0] = 0;
wd->sta.rxiv[1] = 0;
wd->sta.rxiv[2] = 0;
}
//zm_debug_msg2("wd->sta.rxiv[0] = 0x", wd->sta.rxiv[0]);
//zm_debug_msg2("wd->sta.rxiv[1] = 0x", wd->sta.rxiv[1]);
//zm_debug_msg2("wd->sta.rxiv[2] = 0x", wd->sta.rxiv[2]);
//zm_debug_msg2("wd->sta.rxiv[3] = 0x", wd->sta.rxiv[3]);
if ( !((wd->sta.rxiv[0] == rxIV[0])
&& (wd->sta.rxiv[1] == rxIV[1])
&& (wd->sta.rxiv[2] == rxIV[2])
&& (wd->sta.rxiv[3] == rxIV[3])))
{
zm_debug_msg0("PN Code mismatch, lost unicast frame, sync pn code to recv packet");
// sync sta pn code with ap because of losting some packets
wd->sta.rxiv[0] = rxIV[0];
wd->sta.rxiv[1] = rxIV[1];
wd->sta.rxiv[2] = rxIV[2];
wd->sta.rxiv[3] = rxIV[3];
/* Discard PN Code Error frame */
//zm_debug_msg0("Discard PN Code mismatch unicast frame");
//zfwBufFree(dev, buf, 0);
//return;
}
}
}
}
#endif //ZM_ENABLE_CENC
/* for tally */
if ((zmw_rx_buf_readh(dev, buf, ZM_WLAN_HEADER_A1_OFFSET) & 0x1) == 0)
{
/* for ACU to display RxRate */
zfWlanUpdateRxRate(dev, addInfo);
wd->commTally.rxUnicastFrm++;
wd->commTally.rxUnicastOctets += (len-24);
}
else if (zmw_rx_buf_readh(dev, buf, ZM_WLAN_HEADER_A1_OFFSET) == 0xffff)
{
wd->commTally.rxBroadcastFrm++;
wd->commTally.rxBroadcastOctets += (len-24);
}
else
{
wd->commTally.rxMulticastFrm++;
wd->commTally.rxMulticastOctets += (len-24);
}
wd->ledStruct.rxTraffic++;
if ((frameSubtype & 0x80) == 0x80)
{
/* if QoS control bit-7 is 1 => A-MSDU frame */
if ((zmw_rx_buf_readh(dev, buf, 24) & 0x80) != 0)
{
zfDeAmsdu(dev, buf, vap, encryMode);
return;
}
}
// Remove MIC of TKIP
if ( encryMode == ZM_TKIP )
{
zfwBufSetSize(dev, buf, zfwBufGetSize(dev, buf) - 8);
}
/* Convert 802.11 and SNAP header to ethernet header */
if ( (wd->wlanMode == ZM_MODE_INFRASTRUCTURE)||
(wd->wlanMode == ZM_MODE_IBSS) )
{
/* destination address*/
da[0] = zmw_rx_buf_readh(dev, buf, ZM_WLAN_HEADER_A1_OFFSET);
da[1] = zmw_rx_buf_readh(dev, buf, ZM_WLAN_HEADER_A1_OFFSET+2);
da[2] = zmw_rx_buf_readh(dev, buf, ZM_WLAN_HEADER_A1_OFFSET+4);
/* check broadcast frame */
if ( (da[0] == 0xffff) && (da[1] == 0xffff) && (da[2] == 0xffff) )
{
// Ap send broadcast frame to the DUT !
}
/* check multicast frame */
/* TODO : Remove these code, hardware should be able to block */
/* multicast frame on the multicast address list */
/* or bypass all multicast packet by flag bAllMulticast */
else if ((da[0] & 0x01) && (wd->sta.bAllMulticast == 0))
{
for(ii=0; ii<wd->sta.multicastList.size; ii++)
{
if ( zfMemoryIsEqual(wd->sta.multicastList.macAddr[ii].addr,
(u8_t*) da, 6))
{
break;
}
}
if ( ii == wd->sta.multicastList.size )
{ /* not found */
zm_debug_msg0("discard unknown multicast frame");
zfwBufFree(dev, buf, 0);
return;
}
}
#ifdef ZM_ENABLE_NATIVE_WIFI //Native Wifi : 1, Ethernet format : 0
//To remove IV
if (offset > 0)
{
for (i=12; i>0; i--)
{
zmw_rx_buf_writeh(dev, buf, ((i-1)*2)+offset,
zmw_rx_buf_readh(dev, buf, (i-1)*2));
}
zfwBufRemoveHead(dev, buf, offset);
}
#else
if (zfRxBufferEqualToStr(dev, buf, zgSnapBridgeTunnel,
24+offset, 6))
{
snapCase = 1;
}
else if ( zfRxBufferEqualToStr(dev, buf, zgSnap8021h,
24+offset, 6) )
{
typeLengthField =
(((u16_t) zmw_rx_buf_readb(dev, buf, 30+offset)) << 8) +
zmw_rx_buf_readb(dev, buf, 31+offset);
//zm_debug_msg2("tpyeLengthField = ", typeLengthField);
//8137 : IPX, 80F3 : Appletalk
if ( (typeLengthField != 0x8137)&&
(typeLengthField != 0x80F3) )
{
snapCase = 2;
}
if ( typeLengthField == 0x888E )
{
zfShowRxEAPOL(dev, buf, 32);
}
}
else
{
//zfwDumpBuf(dev, buf);
}
/* source address */
if ( wd->wlanMode == ZM_MODE_INFRASTRUCTURE )
{
/* SA = Address 3 */
sa[0] = zmw_rx_buf_readh(dev, buf, ZM_WLAN_HEADER_A3_OFFSET);
sa[1] = zmw_rx_buf_readh(dev, buf, ZM_WLAN_HEADER_A3_OFFSET+2);
sa[2] = zmw_rx_buf_readh(dev, buf, ZM_WLAN_HEADER_A3_OFFSET+4);
}
else
{
/* SA = Address 2 */
sa[0] = zmw_rx_buf_readh(dev, buf, ZM_WLAN_HEADER_A2_OFFSET);
sa[1] = zmw_rx_buf_readh(dev, buf, ZM_WLAN_HEADER_A2_OFFSET+2);
sa[2] = zmw_rx_buf_readh(dev, buf, ZM_WLAN_HEADER_A2_OFFSET+4);
}
if ( snapCase )
{
/* SA */
zmw_rx_buf_writeh(dev, buf, 24+offset, sa[0]);
zmw_rx_buf_writeh(dev, buf, 26+offset, sa[1]);
zmw_rx_buf_writeh(dev, buf, 28+offset, sa[2]);
/* DA = Address 1 */
zmw_rx_buf_writeh(dev, buf, 18+offset, da[0]);
zmw_rx_buf_writeh(dev, buf, 20+offset, da[1]);
zmw_rx_buf_writeh(dev, buf, 22+offset, da[2]);
zfwBufRemoveHead(dev, buf, 18+offset);
}
else
{
/* SA */
zmw_rx_buf_writeh(dev, buf, 16+offset, sa[0]);
zmw_rx_buf_writeh(dev, buf, 18+offset, sa[1]);
zmw_rx_buf_writeh(dev, buf, 20+offset, sa[2]);
/* DA = Address 1 */
zmw_rx_buf_writeh(dev, buf, 10+offset, da[0]);
zmw_rx_buf_writeh(dev, buf, 12+offset, da[1]);
zmw_rx_buf_writeh(dev, buf, 14+offset, da[2]);
zfwBufRemoveHead(dev, buf, 10+offset);
/* Ethernet payload length */
typeLengthField = zfwBufGetSize(dev, buf) - 14;
zmw_rx_buf_writeh(dev, buf, 12, (typeLengthField<<8)+(typeLengthField>>8));
}
#endif // ZM_ENABLE_NATIVE_WIFI
}
else if (wd->wlanMode == ZM_MODE_AP)
{
//if ((zmw_rx_buf_readb(dev, buf, 1) & 0x3) != 3)
if (vap < ZM_MAX_AP_SUPPORT)
/* AP mode */
{
#ifdef ZM_ENABLE_NATIVE_WIFI //Native Wifi : 1, Ethernet format : 0
//To remove IV
if (offset > 0)
{
for (i=12; i>0; i--)
{
zmw_rx_buf_writeh(dev, buf, ((i-1)*2)+offset,
zmw_rx_buf_readh(dev, buf, (i-1)*2));
}
zfwBufRemoveHead(dev, buf, offset);
}
#else
/* SA = Address 2 */
zmw_rx_buf_writeh(dev, buf, 24+offset, zmw_rx_buf_readh(dev, buf,
ZM_WLAN_HEADER_A2_OFFSET));
zmw_rx_buf_writeh(dev, buf, 26+offset, zmw_rx_buf_readh(dev, buf,
ZM_WLAN_HEADER_A2_OFFSET+2));
zmw_rx_buf_writeh(dev, buf, 28+offset, zmw_rx_buf_readh(dev, buf,
ZM_WLAN_HEADER_A2_OFFSET+4));
/* DA = Address 3 */
/* Seq : Read 20 write 22, read 18 write 20, read 16 write 18 */
/* sequence must not be inverted */
zmw_rx_buf_writeh(dev, buf, 22+offset, zmw_rx_buf_readh(dev, buf,
ZM_WLAN_HEADER_A3_OFFSET+4));
zmw_rx_buf_writeh(dev, buf, 20+offset, zmw_rx_buf_readh(dev, buf,
ZM_WLAN_HEADER_A3_OFFSET+2));
zmw_rx_buf_writeh(dev, buf, 18+offset, zmw_rx_buf_readh(dev, buf,
ZM_WLAN_HEADER_A3_OFFSET));
zfwBufRemoveHead(dev, buf, 18+offset);
#endif // ZM_ENABLE_NATIVE_WIFI
#if 1
if ((ret = zfIntrabssForward(dev, buf, vap)) == 1)
{
/* Free Rx buffer if intra-BSS unicast frame */
zm_msg0_rx(ZM_LV_2, "Free intra-BSS unicast frame");
zfwBufFree(dev, buf, 0);
return;
}
#endif
}
else
/* WDS mode */
{
zm_msg0_rx(ZM_LV_2, "Rx WDS data");
/* SA = Address 4 */
zmw_rx_buf_writeh(dev, buf, 30+offset, zmw_rx_buf_readh(dev, buf,
ZM_WLAN_HEADER_A4_OFFSET));
zmw_rx_buf_writeh(dev, buf, 32+offset, zmw_rx_buf_readh(dev, buf,
ZM_WLAN_HEADER_A4_OFFSET+2));
zmw_rx_buf_writeh(dev, buf, 34+offset, zmw_rx_buf_readh(dev, buf,
ZM_WLAN_HEADER_A4_OFFSET+4));
/* DA = Address 3 */
/* Seq : Read 20 write 22, read 18 write 20, read 16 write 18 */
/* sequence must not be inverted */
zmw_rx_buf_writeh(dev, buf, 28+offset, zmw_rx_buf_readh(dev, buf,
ZM_WLAN_HEADER_A3_OFFSET+4));
zmw_rx_buf_writeh(dev, buf, 26+offset, zmw_rx_buf_readh(dev, buf,
ZM_WLAN_HEADER_A3_OFFSET+2));
zmw_rx_buf_writeh(dev, buf, 24+offset, zmw_rx_buf_readh(dev, buf,
ZM_WLAN_HEADER_A3_OFFSET));
zfwBufRemoveHead(dev, buf, 24+offset);
}
}
else if (wd->wlanMode == ZM_MODE_PSEUDO)
{
/* WDS test: remove add4 */
if (wd->enableWDS)
{
offset += 6;
}
/* SA = Address 2 */
zmw_rx_buf_writeh(dev, buf, 24+offset, zmw_rx_buf_readh(dev, buf,
ZM_WLAN_HEADER_A2_OFFSET));
zmw_rx_buf_writeh(dev, buf, 26+offset, zmw_rx_buf_readh(dev, buf,
ZM_WLAN_HEADER_A2_OFFSET+2));
zmw_rx_buf_writeh(dev, buf, 28+offset, zmw_rx_buf_readh(dev, buf,
ZM_WLAN_HEADER_A2_OFFSET+4));
/* DA = Address 1 */
zmw_rx_buf_writeh(dev, buf, 18+offset, zmw_rx_buf_readh(dev, buf,
ZM_WLAN_HEADER_A1_OFFSET));
zmw_rx_buf_writeh(dev, buf, 20+offset, zmw_rx_buf_readh(dev, buf,
ZM_WLAN_HEADER_A1_OFFSET+2));
zmw_rx_buf_writeh(dev, buf, 22+offset, zmw_rx_buf_readh(dev, buf,
ZM_WLAN_HEADER_A1_OFFSET+4));
zfwBufRemoveHead(dev, buf, 18+offset);
}
else
{
zm_assert(0);
}
/* Call zfwRecvEth() to notify upper layer */
//zm_msg2_rx(ZM_LV_2, "Call zfwRecvEth(), buf=", buf);
//zfwDumpBuf(dev, buf);
#if ZM_PROTOCOL_RESPONSE_SIMULATION == 1
zfProtRspSim(dev, buf);
#endif
//zfwDumpBuf(dev, buf);
/* tally */
wd->commTally.NotifyNDISRxFrmCnt++;
if (wd->zfcbRecvEth != NULL)
{
wd->zfcbRecvEth(dev, buf, vap);
ZM_PERFORMANCE_RX_MSDU(dev, wd->tick)
}
}
/* if management frame */
else if (frameType == ZM_WLAN_MANAGEMENT_FRAME)
{
zm_msg2_rx(ZM_LV_2, "Rx management,FC=", frameCtrl);
/* Call zfProcessManagement() to handle management frame */
zfProcessManagement(dev, buf, addInfo); //CWYang(m)
zfwBufFree(dev, buf, 0);
}
/* PsPoll */
else if ((wd->wlanMode == ZM_MODE_AP) && (frameCtrl == 0xa4))
{
zm_msg0_rx(ZM_LV_0, "Rx PsPoll");
zfApProcessPsPoll(dev, buf);
zfwBufFree(dev, buf, 0);
}
else
{
zm_msg0_rx(ZM_LV_1, "Rx discard!!");
wd->commTally.DriverDiscardedFrm++;
zfwBufFree(dev, buf, 0);
}
return;
}
/************************************************************************/
/* */
/* FUNCTION DESCRIPTION zfWlanRxValidate */
/* Validate Rx frame. */
/* */
/* INPUTS */
/* dev : device pointer */
/* buf : received 802.11 frame buffer. */
/* */
/* OUTPUTS */
/* Error code */
/* */
/* AUTHOR */
/* Stephen ZyDAS Technology Corporation 2005.10 */
/* */
/************************************************************************/
u16_t zfWlanRxValidate(zdev_t* dev, zbuf_t* buf)
{
u16_t frameType;
u16_t frameCtrl;
u16_t frameLen;
u16_t ret;
u8_t frameSubType;
zmw_get_wlan_dev(dev);
frameCtrl = zmw_rx_buf_readh(dev, buf, 0);
frameType = frameCtrl & 0xC;
frameSubType = (frameCtrl & 0xF0) >> 4;
frameLen = zfwBufGetSize(dev, buf);
/* Accept Data/Management frame with protocol version = 0 */
if ((frameType == 0x8) || (frameType == 0x0))
{
/* TODO : check rx status => erro bit */
/* Check Minimum Length with Wep */
if ((frameCtrl & 0x4000) != 0)
{
/* Minimum Length = */
/* PLCP(5)+Header(24)+IV(4)+ICV(4)+CRC(4)+RxStatus(8) */
if (frameLen < 32)
{
return ZM_ERR_MIN_RX_ENCRYPT_FRAME_LENGTH;
}
}
else if ( frameSubType == 0x5 || frameSubType == 0x8 )
{
/* Minimum Length = PLCP(5)+MACHeader(24)+Timestamp(8)+BeaconInterval(2)+Cap(2)+CRC(4)+RxStatus(8) */
if (frameLen < 36)
{
return ZM_ERR_MIN_RX_FRAME_LENGTH;
}
}
else
{
/* Minimum Length = PLCP(5)+MACHeader(24)+CRC(4)+RxStatus(8) */
if (frameLen < 24)
{
return ZM_ERR_MIN_RX_FRAME_LENGTH;
}
}
/* Check if frame Length > ZM_WLAN_MAX_RX_SIZE. */
if (frameLen > ZM_WLAN_MAX_RX_SIZE)
{
return ZM_ERR_MAX_RX_FRAME_LENGTH;
}
}
else if ((frameCtrl&0xff) == 0xa4)
{
/* PsPoll */
//zm_msg0_rx(ZM_LV_0, "rx pspoll");
}
else if ((frameCtrl&0xff) == ZM_WLAN_FRAME_TYPE_BAR)
{
if (wd->sta.enableDrvBA == 1)
{
zfAggRecvBAR(dev, buf);
}
return ZM_ERR_RX_BAR_FRAME;
}
else
{
return ZM_ERR_RX_FRAME_TYPE;
}
if ( wd->wlanMode == ZM_MODE_AP )
{
}
else if ( wd->wlanMode != ZM_MODE_PSEUDO )
{
if ( (ret=zfStaRxValidateFrame(dev, buf))!=ZM_SUCCESS )
{
//zm_debug_msg1("discard frame, code = ", ret);
return ret;
}
}
return ZM_SUCCESS;
}
/************************************************************************/
/* */
/* FUNCTION DESCRIPTION zfWlanRxFilter */
/* Filter duplicated frame. */
/* */
/* INPUTS */
/* dev : device pointer */
/* buf : received 802.11 frame buffer. */
/* */
/* OUTPUTS */
/* Error code */
/* */
/* AUTHOR */
/* Stephen ZyDAS Technology Corporation 2005.10 */
/* */
/************************************************************************/
u16_t zfWlanRxFilter(zdev_t* dev, zbuf_t* buf)
{
u16_t src[3];
u16_t dst0;
u16_t frameType;
u16_t seq;
u16_t offset;
u16_t index;
u16_t col;
u16_t i;
u8_t up = 0; /* User priority */
zmw_get_wlan_dev(dev);
zmw_declare_for_critical_section();
ZM_BUFFER_TRACE(dev, buf)
/* RX PREFIX */
offset = 0;
frameType = zmw_rx_buf_readh(dev, buf, offset);
// Don't divide 2^4 because we don't want the fragmentation pkt to be treated as
// duplicated frames
seq = zmw_rx_buf_readh(dev, buf, offset+22);
dst0 = zmw_rx_buf_readh(dev, buf, offset+4);
src[0] = zmw_rx_buf_readh(dev, buf, offset+10);
src[1] = zmw_rx_buf_readh(dev, buf, offset+12);
src[2] = zmw_rx_buf_readh(dev, buf, offset+14);
/* QoS data frame */
if ((frameType & 0x88) == 0x88)
{
up = zmw_rx_buf_readb(dev, buf, offset+24);
up &= 0x7;
}
index = (src[2]+up) & (ZM_FILTER_TABLE_ROW-1);
/* TBD : filter frame with source address == own MAC adress */
if ((wd->macAddr[0] == src[0]) && (wd->macAddr[1] == src[1])
&& (wd->macAddr[2] == src[2]))
{
//zm_msg0_rx(ZM_LV_0, "Rx filter=>src is own MAC");
wd->trafTally.rxSrcIsOwnMac++;
#if 0
return ZM_ERR_RX_SRC_ADDR_IS_OWN_MAC;
#endif
}
zm_msg2_rx(ZM_LV_2, "Rx seq=", seq);
/* Filter unicast frame only */
if ((dst0 & 0x1) == 0)
{
zmw_enter_critical_section(dev);
for(i=0; i<ZM_FILTER_TABLE_COL; i++)
{
if ((wd->rxFilterTbl[i][index].addr[0] == src[0])
&& (wd->rxFilterTbl[i][index].addr[1] == src[1])
&& (wd->rxFilterTbl[i][index].addr[2] == src[2])
&& (wd->rxFilterTbl[i][index].up == up))
{
if (((frameType&0x800)==0x800)
&&(wd->rxFilterTbl[i][index].seq==seq))
{
zmw_leave_critical_section(dev);
/* hit : duplicated frame */
zm_msg0_rx(ZM_LV_1, "Rx filter hit=>duplicated");
wd->trafTally.rxDuplicate++;
return ZM_ERR_RX_DUPLICATE;
}
else
{
/* hit : not duplicated frame, update sequence number */
wd->rxFilterTbl[i][index].seq = seq;
zmw_leave_critical_section(dev);
zm_msg0_rx(ZM_LV_2, "Rx filter hit");
return ZM_SUCCESS;
}
}
} /* for(i=0; i<ZM_FILTER_TABLE_COL; i++) */
/* miss : add to table */
zm_msg0_rx(ZM_LV_1, "Rx filter miss");
/* TODO : Random select a column */
col = (u16_t)(wd->tick & (ZM_FILTER_TABLE_COL-1));
wd->rxFilterTbl[col][index].addr[0] = src[0];
wd->rxFilterTbl[col][index].addr[1] = src[1];
wd->rxFilterTbl[col][index].addr[2] = src[2];
wd->rxFilterTbl[col][index].seq = seq;
wd->rxFilterTbl[col][index].up = up;
zmw_leave_critical_section(dev);
} /* if ((dst0 & 0x1) == 0) */
return ZM_SUCCESS;
}
u16_t zfTxGenWlanTail(zdev_t* dev, zbuf_t* buf, u16_t* snap, u16_t snaplen,
u16_t* mic)
{
struct zsMicVar* pMicKey;
u16_t i, length, payloadOffset;
u8_t bValue, qosType = 0;
u8_t snapByte[12];
zmw_get_wlan_dev(dev);
if ( wd->wlanMode == ZM_MODE_AP )
{
pMicKey = zfApGetTxMicKey(dev, buf, &qosType);
if ( pMicKey == NULL )
{
return 0;
}
}
else if ( wd->wlanMode == ZM_MODE_INFRASTRUCTURE )
{
pMicKey = zfStaGetTxMicKey(dev, buf);
if ( pMicKey == NULL )
{
return 0;
}
}
else
{
return 0;
}
length = zfwBufGetSize(dev, buf);
zfMicClear(pMicKey);
/* append DA and SA */
#ifdef ZM_ENABLE_NATIVE_WIFI
for(i=16; i<22; i++)
{ // VISTA DA
bValue = zmw_tx_buf_readb(dev, buf, i);
zfMicAppendByte(bValue, pMicKey);
}
for(i=10; i<16; i++)
{ // VISTA SA
bValue = zmw_tx_buf_readb(dev, buf, i);
zfMicAppendByte(bValue, pMicKey);
}
#else
for(i=0; i<12; i++)
{
bValue = zmw_tx_buf_readb(dev, buf, i);
zfMicAppendByte(bValue, pMicKey);
}
#endif
/* append for alignment */
if ( wd->wlanMode == ZM_MODE_INFRASTRUCTURE )
{
if (wd->sta.wmeConnected != 0)
zfMicAppendByte(zmw_tx_buf_readb(dev, buf, ZM_80211_FRAME_IP_OFFSET + 1) >> 5, pMicKey);
else
zfMicAppendByte(0, pMicKey);
}
else if ( wd->wlanMode == ZM_MODE_AP )
{
if (qosType == 1)
zfMicAppendByte(zmw_tx_buf_readb(dev, buf, ZM_80211_FRAME_IP_OFFSET + 1) >> 5, pMicKey);
else
zfMicAppendByte(0, pMicKey);
}
else
{
/* TODO : Qos Software MIC in IBSS Mode */
zfMicAppendByte(0, pMicKey);
}
zfMicAppendByte(0, pMicKey);
zfMicAppendByte(0, pMicKey);
zfMicAppendByte(0, pMicKey);
if ( snaplen == 0 )
{
payloadOffset = ZM_80211_FRAME_IP_OFFSET;
}
else
{
payloadOffset = ZM_80211_FRAME_TYPE_OFFSET;
for(i=0; i<(snaplen>>1); i++)
{
snapByte[i*2] = (u8_t) (snap[i] & 0xff);
snapByte[i*2+1] = (u8_t) ((snap[i] >> 8) & 0xff);
}
for(i=0; i<snaplen; i++)
{
zfMicAppendByte(snapByte[i], pMicKey);
}
}
for(i=payloadOffset; i<length; i++)
{
bValue = zmw_tx_buf_readb(dev, buf, i);
zfMicAppendByte(bValue, pMicKey);
}
zfMicGetMic( (u8_t*) mic, pMicKey);
return ZM_SIZE_OF_MIC;
}
/************************************************************************/
/* */
/* FUNCTION DESCRIPTION zfTxGetIpTosAndFrag */
/* Get IP TOS and frag offset from Tx buffer */
/* */
/* INPUTS */
/* dev : device pointer */
/* buf : Tx buffer pointer */
/* up : pointer for returning user priority */
/* fragOff : pointer for returning ip frag offset */
/* */
/* OUTPUTS */
/* None */
/* */
/* AUTHOR */
/* Stephen Chen ZyDAS Technology Corporation 2006.6 */
/* */
/************************************************************************/
void zfTxGetIpTosAndFrag(zdev_t* dev, zbuf_t* buf, u8_t* up, u16_t* fragOff)
{
u8_t ipv;
u16_t len;
u16_t etherType;
u8_t tos;
*up = 0;
*fragOff = 0;
len = zfwBufGetSize(dev, buf);
if (len >= 34) //Minimum IPv4 packet size, 14(Ether header)+20(IPv4 header)
{
etherType = (((u16_t)zmw_tx_buf_readb(dev, buf, ZM_80211_FRAME_TYPE_OFFSET))<<8)
+ zmw_tx_buf_readb(dev, buf, ZM_80211_FRAME_TYPE_OFFSET + 1);
/* protocol type = IP */
if (etherType == 0x0800)
{
ipv = zmw_tx_buf_readb(dev, buf, ZM_80211_FRAME_IP_OFFSET) >> 4;
if (ipv == 0x4) //IPv4
{
tos = zmw_tx_buf_readb(dev, buf, ZM_80211_FRAME_IP_OFFSET + 1);
*up = (tos >> 5);
*fragOff = zmw_tx_buf_readh(dev, buf, ZM_80211_FRAME_IP_OFFSET + 6);
}
/* TODO : handle VLAN tag and IPv6 packet */
}
}
return;
}
#ifdef ZM_ENABLE_NATIVE_WIFI
u16_t zfTxGenWlanSnap(zdev_t* dev, zbuf_t* buf, u16_t* snap, u16_t* snaplen)
{
snap[0] = zmw_buf_readh(dev, buf, ZM_80211_FRAME_HEADER_LEN + 0);
snap[1] = zmw_buf_readh(dev, buf, ZM_80211_FRAME_HEADER_LEN + 2);
snap[2] = zmw_buf_readh(dev, buf, ZM_80211_FRAME_HEADER_LEN + 4);
*snaplen = 6;
return ZM_80211_FRAME_HEADER_LEN + *snaplen;
}
#else
u16_t zfTxGenWlanSnap(zdev_t* dev, zbuf_t* buf, u16_t* snap, u16_t* snaplen)
{
u16_t removed;
u16_t etherType;
u16_t len;
len = zfwBufGetSize(dev, buf);
if (len < 14) //Minimum Ethernet packet size, 14(Ether header)
{
/* TODO : Assert? */
*snaplen = 0;
return 0;
}
/* Generate RFC1042 header */
etherType = (((u16_t)zmw_tx_buf_readb(dev, buf, 12))<<8)
+ zmw_tx_buf_readb(dev, buf, 13);
//zm_debug_msg2("ethernet type or length = ", etherType);
if (etherType > 1500)
{
/* ETHERNET format */
removed = 12;
snap[0] = 0xaaaa;
snap[1] = 0x0003;
if ((etherType ==0x8137) || (etherType == 0x80f3))
{
/* Bridge Tunnel */
snap[2] = 0xF800;
}
else
{
/* RFC 1042 */
snap[2] = 0x0000;
}
*snaplen = 6;
if ( etherType == 0x888E )
{
zfShowTxEAPOL(dev, buf, 14);
}
}
else
{
/* 802.3 format */
removed = 14;
*snaplen = 0;
}
return removed;
}
#endif
u8_t zfIsVtxqEmpty(zdev_t* dev)
{
u8_t isEmpty = TRUE;
u8_t i;
zmw_get_wlan_dev(dev);
zmw_declare_for_critical_section();
zmw_enter_critical_section(dev);
if (wd->vmmqHead != wd->vmmqTail)
{
isEmpty = FALSE;
goto check_done;
}
for(i=0; i < 4; i++)
{
if (wd->vtxqHead[i] != wd->vtxqTail[i])
{
isEmpty = FALSE;
goto check_done;
}
}
check_done:
zmw_leave_critical_section(dev);
return isEmpty;
}
/************************************************************************/
/* */
/* FUNCTION DESCRIPTION zfPutVtxq */
/* Put Tx buffer to virtual TxQ */
/* */
/* INPUTS */
/* dev : device pointer */
/* buf : Tx buffer pointer */
/* */
/* OUTPUTS */
/* ZM_SUCCESS or error code */
/* */
/* AUTHOR */
/* Stephen Chen ZyDAS Technology Corporation 2006.6 */
/* */
/************************************************************************/
u16_t zfPutVtxq(zdev_t* dev, zbuf_t* buf)
{
u8_t ac;
u8_t up;
u16_t fragOff;
#ifdef ZM_AGG_TALLY
struct aggTally *agg_tal;
#endif
#ifdef ZM_ENABLE_AGGREGATION
#ifndef ZM_BYPASS_AGGR_SCHEDULING
u16_t ret;
u16_t tid;
#endif
#endif
zmw_get_wlan_dev(dev);
zmw_declare_for_critical_section();
zfTxGetIpTosAndFrag(dev, buf, &up, &fragOff);
if ( wd->zfcbClassifyTxPacket != NULL )
{
ac = wd->zfcbClassifyTxPacket(dev, buf);
}
else
{
ac = zcUpToAc[up&0x7] & 0x3;
}
/*
* add by honda
* main A-MPDU aggregation function
*/
#ifdef ZM_AGG_TALLY
agg_tal = &wd->agg_tal;
agg_tal->got_packets_sum++;
#endif
#ifdef ZM_ENABLE_AGGREGATION
#ifndef ZM_BYPASS_AGGR_SCHEDULING
tid = up&0x7;
if(wd->enableAggregation==0)
{
if( (wd->wlanMode == ZM_MODE_AP) ||
(wd->wlanMode == ZM_MODE_INFRASTRUCTURE && wd->sta.EnableHT) ||
(wd->wlanMode == ZM_MODE_PSEUDO) ) {
// (infrastructure_mode && connect_to_11n_ap) || (ap_mode && is_11n_ap)
//ret = zfAggPutVtxq(dev, buf);
ret = zfAggTx(dev, buf, tid);
if (ZM_SUCCESS == ret)
{
//zfwBufFree(dev, buf, ZM_SUCCESS);
return ZM_SUCCESS;
}
if (ZM_ERR_EXCEED_PRIORITY_THRESHOLD == ret)
{
wd->commTally.txQosDropCount[ac]++;
zfwBufFree(dev, buf, ZM_SUCCESS);
zm_msg1_tx(ZM_LV_1, "Packet discarded, VTXQ full, ac=", ac);
return ZM_ERR_EXCEED_PRIORITY_THRESHOLD;
}
if (ZM_ERR_TX_BUFFER_UNAVAILABLE == ret)
{
/*
* do nothing
* continue following procession, put into VTXQ
* return ZM_SUCCESS;
*/
}
}
}
#endif
#endif
/*
* end of add by honda
*/
/* First Ip frag */
if ((fragOff & 0xff3f) == 0x0020)
{
/* Don't let ip frag in if VTXQ unable to hold */
/* whole ip frag burst(assume 20 frag) */
zmw_enter_critical_section(dev);
if (((wd->vtxqHead[ac] - wd->vtxqTail[ac])& ZM_VTXQ_SIZE_MASK)
> (ZM_VTXQ_SIZE-20))
{
wd->qosDropIpFrag[ac] = 1;
}
else
{
wd->qosDropIpFrag[ac] = 0;
}
zmw_leave_critical_section(dev);
if (wd->qosDropIpFrag[ac] == 1)
{
//zm_debug_msg2("vtQ full, drop buf = ", buf);
wd->commTally.txQosDropCount[ac]++;
zfwBufFree(dev, buf, ZM_SUCCESS);
zm_msg1_tx(ZM_LV_1, "Packet discarded, first ip frag, ac=", ac);
//VTXQ[] can not hold whold ip frag burst(assume 20 frags)
return ZM_ERR_EXCEED_PRIORITY_THRESHOLD;
}
}
else if ((fragOff & 0xff3f) == 0)
{
wd->qosDropIpFrag[ac] = 0;
}
if (((fragOff &= 0xff1f) != 0) && (wd->qosDropIpFrag[ac] == 1))
{
wd->commTally.txQosDropCount[ac]++;
zfwBufFree(dev, buf, ZM_SUCCESS);
zm_msg1_tx(ZM_LV_1, "Packet discarded, ip frag, ac=", ac);
//Discard following ip frags
return ZM_ERR_EXCEED_PRIORITY_THRESHOLD;
}
zmw_enter_critical_section(dev);
if (((wd->vtxqHead[ac] + 1) & ZM_VTXQ_SIZE_MASK) != wd->vtxqTail[ac])
{
wd->vtxq[ac][wd->vtxqHead[ac]] = buf;
wd->vtxqHead[ac] = ((wd->vtxqHead[ac] + 1) & ZM_VTXQ_SIZE_MASK);
zmw_leave_critical_section(dev);
return ZM_SUCCESS;
}
else
{
zmw_leave_critical_section(dev);
wd->commTally.txQosDropCount[ac]++;
zfwBufFree(dev, buf, ZM_SUCCESS);
zm_msg1_tx(ZM_LV_1, "Packet discarded, VTXQ full, ac=", ac);
return ZM_ERR_EXCEED_PRIORITY_THRESHOLD; //VTXQ[] Full
}
}
/************************************************************************/
/* */
/* FUNCTION DESCRIPTION zfGetVtxq */
/* Get Tx buffer from virtual TxQ */
/* */
/* INPUTS */
/* dev : device pointer */
/* */
/* OUTPUTS */
/* Tx buffer pointer */
/* */
/* AUTHOR */
/* Stephen Chen ZyDAS Technology Corporation 2006.6 */
/* */
/************************************************************************/
zbuf_t* zfGetVtxq(zdev_t* dev, u8_t ac)
{
zbuf_t* buf;
zmw_get_wlan_dev(dev);
zmw_declare_for_critical_section();
ac &= 0x3;
zmw_enter_critical_section(dev);
if (wd->vtxqHead[ac] != wd->vtxqTail[ac])
{
buf = wd->vtxq[ac][wd->vtxqTail[ac]];
wd->vtxqTail[ac] = ((wd->vtxqTail[ac] + 1) & ZM_VTXQ_SIZE_MASK);
zmw_leave_critical_section(dev);
return buf;
}
else
{
zmw_leave_critical_section(dev);
return 0; //VTXQ[] empty
}
}
/************************************************************************/
/* */
/* FUNCTION DESCRIPTION zfPutVmmq */
/* Put Tx buffer to virtual MmQ */
/* */
/* INPUTS */
/* dev : device pointer */
/* buf : Tx buffer pointer */
/* */
/* OUTPUTS */
/* ZM_SUCCESS or error code */
/* */
/* AUTHOR */
/* Stephen Chen ZyDAS Technology Corporation 2006.12 */
/* */
/************************************************************************/
u16_t zfPutVmmq(zdev_t* dev, zbuf_t* buf)
{
zmw_get_wlan_dev(dev);
zmw_declare_for_critical_section();
zmw_enter_critical_section(dev);
if (((wd->vmmqHead + 1) & ZM_VMMQ_SIZE_MASK) != wd->vmmqTail)
{
wd->vmmq[wd->vmmqHead] = buf;
wd->vmmqHead = ((wd->vmmqHead + 1) & ZM_VMMQ_SIZE_MASK);
zmw_leave_critical_section(dev);
return ZM_SUCCESS;
}
else
{
zmw_leave_critical_section(dev);
zfwBufFree(dev, buf, ZM_SUCCESS);
zm_msg0_mm(ZM_LV_0, "Packet discarded, VMmQ full");
return ZM_ERR_VMMQ_FULL; //VTXQ[] Full
}
}
/************************************************************************/
/* */
/* FUNCTION DESCRIPTION zfGetVmmq */
/* Get Tx buffer from virtual MmQ */
/* */
/* INPUTS */
/* dev : device pointer */
/* */
/* OUTPUTS */
/* Tx buffer pointer */
/* */
/* AUTHOR */
/* Stephen Chen ZyDAS Technology Corporation 2006.12 */
/* */
/************************************************************************/
zbuf_t* zfGetVmmq(zdev_t* dev)
{
zbuf_t* buf;
zmw_get_wlan_dev(dev);
zmw_declare_for_critical_section();
zmw_enter_critical_section(dev);
if (wd->vmmqHead != wd->vmmqTail)
{
buf = wd->vmmq[wd->vmmqTail];
wd->vmmqTail = ((wd->vmmqTail + 1) & ZM_VMMQ_SIZE_MASK);
zmw_leave_critical_section(dev);
return buf;
}
else
{
zmw_leave_critical_section(dev);
return 0; //VTXQ[] empty
}
}
/************************************************************************/
/* */
/* FUNCTION DESCRIPTION zfPushVtxq */
/* Service Virtual TxQ (weighted round robin) */
/* Get Tx buffer form virtual TxQ and put to hardware TxD queue */
/* */
/* INPUTS */
/* dev : device pointer */
/* */
/* OUTPUTS */
/* None */
/* */
/* AUTHOR */
/* Stephen Chen ZyDAS Technology Corporation 2006.6 */
/* */
/************************************************************************/
void zfPushVtxq(zdev_t* dev)
{
zbuf_t* buf;
u16_t i;
u16_t txed;
u32_t freeTxd;
u16_t err;
u16_t skipFlag = 0;
zmw_get_wlan_dev(dev);
zmw_declare_for_critical_section();
//zm_debug_msg1("zfHpGetFreeTxdCount = ", zfHpGetFreeTxdCount(dev));
if (wd->halState == ZM_HAL_STATE_INIT)
{
if (!wd->modeMDKEnable)
{
zm_debug_msg0("HAL is not ready for Tx");
}
return;
}
else if (wd->sta.DFSDisableTx)
{
zm_debug_msg0("return because 802.11h DFS Disable Tx");
return;
}
else if (wd->sta.flagFreqChanging != 0)
{
//Hold until RF frequency changed
return;
}
else if (( wd->sta.flagKeyChanging ) && ( wd->wlanMode != ZM_MODE_AP ))
{
return;
}
#ifdef ZM_ENABLE_POWER_SAVE
else if ( zfPowerSavingMgrIsSleeping(dev) )
{
//zm_debug_msg0("Packets queued since the MAC is in power-saving mode\n");
return;
}
#endif
zmw_enter_critical_section(dev);
if (wd->vtxqPushing != 0)
{
skipFlag = 1;
}
else
{
wd->vtxqPushing = 1;
}
zmw_leave_critical_section(dev);
if (skipFlag == 1)
{
return;
}
while (1)
{
txed = 0;
/* 2006.12.20, Serve Management queue */
while( zfHpGetFreeTxdCount(dev) > 0 )
{
if ((buf = zfGetVmmq(dev)) != 0)
{
txed = 1;
//zm_debug_msg2("send buf = ", buf);
if ((err = zfHpSend(dev, NULL, 0, NULL, 0, NULL, 0, buf, 0,
ZM_INTERNAL_ALLOC_BUF, 0, 0xff)) != ZM_SUCCESS)
{
zfwBufFree(dev, buf, 0);
}
}
else
{
break;
}
}
if ((wd->sta.bScheduleScan) || ((wd->sta.bChannelScan == TRUE) && (zfStaIsConnected(dev))))
{
//Hold until Scan Stop
wd->vtxqPushing = 0;
return;
}
#ifdef ZM_ENABLE_AGGREGATION
#ifndef ZM_BYPASS_AGGR_SCHEDULING
if( (wd->wlanMode == ZM_MODE_AP) ||
(wd->wlanMode == ZM_MODE_INFRASTRUCTURE && wd->sta.EnableHT) ||
(wd->wlanMode == ZM_MODE_PSEUDO) ) {
zfAggTxScheduler(dev, 0);
if (txed == 0) {
wd->vtxqPushing = 0;
return;
}
else {
continue;
}
}
#endif
#endif
/* Service VTxQ[3] */
for (i=0; i<4; i++)
{
if ((freeTxd = zfHpGetFreeTxdCount(dev)) >= 3)
{
if ((buf = zfGetVtxq(dev, 3)) != 0)
{
txed = 1;
//zm_debug_msg2("send buf = ", buf);
zfTxSendEth(dev, buf, 0, ZM_EXTERNAL_ALLOC_BUF, 0);
ZM_PERFORMANCE_TX_MPDU(dev, wd->tick);
}
}
else
{
break;
}
}
/* Service VTxQ[2] */
for (i=0; i<3; i++)
{
if ((freeTxd = zfHpGetFreeTxdCount(dev)) >= (zfHpGetMaxTxdCount(dev)*1/4))
{
if ((buf = zfGetVtxq(dev, 2)) != 0)
{
txed = 1;
zfTxSendEth(dev, buf, 0, ZM_EXTERNAL_ALLOC_BUF, 0);
ZM_PERFORMANCE_TX_MPDU(dev, wd->tick);
}
if (wd->sta.ac0PriorityHigherThanAc2 == 1)
{
if ((buf = zfGetVtxq(dev, 0)) != 0)
{
txed = 1;
zfTxSendEth(dev, buf, 0, ZM_EXTERNAL_ALLOC_BUF, 0);
ZM_PERFORMANCE_TX_MPDU(dev, wd->tick);
}
}
}
else
{
break;
}
}
/* Service VTxQ[0] */
for (i=0; i<2; i++)
{
if ((freeTxd = zfHpGetFreeTxdCount(dev)) >= (zfHpGetMaxTxdCount(dev)*2/4))
{
if ((buf = zfGetVtxq(dev, 0)) != 0)
{
txed = 1;
zfTxSendEth(dev, buf, 0, ZM_EXTERNAL_ALLOC_BUF, 0);
ZM_PERFORMANCE_TX_MPDU(dev, wd->tick);
}
}
else
{
break;
}
}
/* Service VTxQ[1] */
if ((freeTxd = zfHpGetFreeTxdCount(dev)) >= (zfHpGetMaxTxdCount(dev)*3/4))
{
if ((buf = zfGetVtxq(dev, 1)) != 0)
{
txed = 1;
zfTxSendEth(dev, buf, 0, ZM_EXTERNAL_ALLOC_BUF, 0);
ZM_PERFORMANCE_TX_MPDU(dev, wd->tick);
}
}
/* All VTxQs are either empty or exceed their threshold */
if (txed == 0)
{
wd->vtxqPushing = 0;
return;
}
} //while (1)
}
/************************************************************************/
/* */
/* FUNCTION DESCRIPTION zfFlushVtxq */
/* Flush Virtual TxQ and MmQ */
/* */
/* INPUTS */
/* dev : device pointer */
/* */
/* OUTPUTS */
/* None */
/* */
/* AUTHOR */
/* Stephen Chen Atheros Communications, INC. 2007.1 */
/* */
/************************************************************************/
void zfFlushVtxq(zdev_t* dev)
{
zbuf_t* buf;
u8_t i;
zmw_get_wlan_dev(dev);
/* Flush MmQ */
while ((buf = zfGetVmmq(dev)) != 0)
{
zfwBufFree(dev, buf, 0);
zm_debug_msg0("zfFlushVtxq: [Vmmq]");
wd->queueFlushed |= 0x10;
}
/* Flush VTxQ */
for (i=0; i<4; i++)
{
while ((buf = zfGetVtxq(dev, i)) != 0)
{
zfwBufFree(dev, buf, 0);
zm_debug_msg1("zfFlushVtxq: [zfGetVtxq]- ", i);
wd->queueFlushed |= (1<<i);
}
}
}
void zf80211FrameSend(zdev_t* dev, zbuf_t* buf, u16_t* header, u16_t snapLen,
u16_t* da, u16_t* sa, u8_t up, u16_t headerLen, u16_t* snap,
u16_t* tail, u16_t tailLen, u16_t offset, u16_t bufType,
u8_t ac, u8_t keyIdx)
{
u16_t err;
u16_t fragLen;
zmw_get_wlan_dev(dev);
fragLen = zfwBufGetSize(dev, buf);
if ((da[0]&0x1) == 0)
{
wd->commTally.txUnicastFrm++;
wd->commTally.txUnicastOctets += (fragLen+snapLen);
}
else if (da[0] == 0xffff)
{
wd->commTally.txBroadcastFrm++;
wd->commTally.txBroadcastOctets += (fragLen+snapLen);
}
else
{
wd->commTally.txMulticastFrm++;
wd->commTally.txMulticastOctets += (fragLen+snapLen);
}
wd->ledStruct.txTraffic++;
if ((err = zfHpSend(dev, header, headerLen, snap, snapLen,
tail, tailLen, buf, offset,
bufType, ac, keyIdx)) != ZM_SUCCESS)
{
if (bufType == ZM_EXTERNAL_ALLOC_BUF)
{
zfwBufFree(dev, buf, err);
}
else if (bufType == ZM_INTERNAL_ALLOC_BUF)
{
zfwBufFree(dev, buf, 0);
}
else
{
zm_assert(0);
}
}
}
void zfCheckIsRIFSFrame(zdev_t* dev, zbuf_t* buf, u16_t frameSubtype)
{
zmw_get_wlan_dev(dev);
/* #2 Record the sequence number to determine whether the unicast frame is separated by RIFS or not */
if (frameSubtype & 0x80)
{ //QoS data frame
u16_t sequenceNum;
u16_t qosControlField;
sequenceNum = ( zmw_buf_readh(dev, buf, 22) >> 4 ); // Discard fragment number !
qosControlField = zmw_buf_readh(dev, buf, 24); // Don't consider WDS (Wireless Distribution System)
//DbgPrint("The QoS Control Field : %d", qosControlField);
//DbgPrint("The RIFS Count : %d", wd->sta.rifsCount);
if( qosControlField & ZM_BIT_5 )
{// ACK policy is "No ACK"
/* RIFS-Like frame */
wd->sta.rifsLikeFrameSequence[wd->sta.rifsLikeFrameCnt] = sequenceNum;
if( wd->sta.rifsState == ZM_RIFS_STATE_DETECTING )
{
if( wd->sta.rifsLikeFrameSequence[2] != 0 )
{// RIFS-like Pattern collected
if( ( wd->sta.rifsLikeFrameSequence[2] - wd->sta.rifsLikeFrameSequence[1] == 2 ) &&
( wd->sta.rifsLikeFrameSequence[1] - wd->sta.rifsLikeFrameSequence[0] == 2 ) )
{
/* RIFS pattern matched */
/* #3 Enable RIFS function if the RIFS pattern matched */
zfHpEnableRifs(dev, ((wd->sta.currentFrequency<3000)?1:0), wd->sta.EnableHT, wd->sta.HT2040);
// Set RIFS timer
wd->sta.rifsTimer = wd->tick;
wd->sta.rifsCount++;
// Set state to be Detected
wd->sta.rifsState = ZM_RIFS_STATE_DETECTED;
}
}
}
else
{// state = Detected
// Reset RIFS timer
if( (wd->tick - wd->sta.rifsTimer) < ZM_RIFS_TIMER_TIMEOUT )
wd->sta.rifsTimer = wd->tick;
}
//DbgPrint("SN1 = %d, SN2 = %d, SN3 = %d\n", wd->sta.rifsLikeFrameSequence[0],
// wd->sta.rifsLikeFrameSequence[1],
// wd->sta.rifsLikeFrameSequence[2]);
// Update RIFS-like sequence number
if( wd->sta.rifsLikeFrameSequence[2] != 0 )
{
wd->sta.rifsLikeFrameSequence[0] = wd->sta.rifsLikeFrameSequence[1];
wd->sta.rifsLikeFrameSequence[1] = wd->sta.rifsLikeFrameSequence[2];
wd->sta.rifsLikeFrameSequence[2] = 0;
}
// Only record three adjacent frame
if( wd->sta.rifsLikeFrameCnt < 2 )
wd->sta.rifsLikeFrameCnt++;
}
}
/* #4 Disable RIFS function if the timer TIMEOUT */
if( wd->sta.rifsState == ZM_RIFS_STATE_DETECTED )
{
if( ( wd->tick - wd->sta.rifsTimer ) > ZM_RIFS_TIMER_TIMEOUT )
{// TIMEOUT
// Disable RIFS
zfHpDisableRifs(dev);
// Reset RIFS-like sequence number FIFO
wd->sta.rifsLikeFrameSequence[0] = 0;
wd->sta.rifsLikeFrameSequence[1] = 0;
wd->sta.rifsLikeFrameSequence[2] = 0;
wd->sta.rifsLikeFrameCnt = 0;
// Set state to be Detecting
wd->sta.rifsState = ZM_RIFS_STATE_DETECTING;
}
}
}