Skip to content

L
linux
Commit 1d39fe04 authored by Veronika Kabatova's avatar Veronika Kabatova Committed by Greg Kroah-Hartman
Browse files
Options

staging: vt6655: dpc.c: Comment fixes 

Replace C99 "//" comments by "/* */", remove not
needed comments about adding code
Signed-off-by: default avatarVeronika Kabatova <veronicca114@gmail.com>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent 99b4a7e0
Show whitespace changes
Inline Side-by-side
Showing with 125 additions and 116 deletions
drivers/staging/vt6655/dpc.c
View file @ 1d39fe04
......@@ -160,10 +160,10 @@ s_vProcessRxMACHeader(struct vnt_private *pDevice,
if (bIsWEP) {
if (bExtIV) {
// strip IV&ExtIV , add 8 byte
/* strip IV&ExtIV, add 8 byte */
cbHeaderSize += (WLAN_HDR_ADDR3_LEN + 8);
} else {
// strip IV , add 4 byte
/* strip IV, add 4 byte */
cbHeaderSize += (WLAN_HDR_ADDR3_LEN + 4);
}
} else {
......@@ -182,9 +182,9 @@ s_vProcessRxMACHeader(struct vnt_private *pDevice,
pwType = (unsigned short *)(pbyRxBufferAddr + cbHeaderSize);
if (bIsWEP) {
if (bExtIV)
*pwType = htons(cbPacketSize - WLAN_HDR_ADDR3_LEN - 8); // 8 is IV&ExtIV
*pwType = htons(cbPacketSize - WLAN_HDR_ADDR3_LEN - 8); /* 8 is IV&ExtIV */
else
*pwType = htons(cbPacketSize - WLAN_HDR_ADDR3_LEN - 4); // 4 is IV
*pwType = htons(cbPacketSize - WLAN_HDR_ADDR3_LEN - 4); /* 4 is IV */
} else {
*pwType = htons(cbPacketSize - WLAN_HDR_ADDR3_LEN);
......@@ -195,9 +195,9 @@ s_vProcessRxMACHeader(struct vnt_private *pDevice,
pwType = (unsigned short *)(pbyRxBufferAddr + cbHeaderSize);
if (bIsWEP) {
if (bExtIV)
*pwType = htons(cbPacketSize - WLAN_HDR_ADDR3_LEN - 8); // 8 is IV&ExtIV
*pwType = htons(cbPacketSize - WLAN_HDR_ADDR3_LEN - 8); /* 8 is IV&ExtIV */
else
*pwType = htons(cbPacketSize - WLAN_HDR_ADDR3_LEN - 4); // 4 is IV
*pwType = htons(cbPacketSize - WLAN_HDR_ADDR3_LEN - 4); /* 4 is IV */
} else {
*pwType = htons(cbPacketSize - WLAN_HDR_ADDR3_LEN);
......@@ -243,14 +243,14 @@ s_vGetDASA(unsigned char *pbyRxBufferAddr, unsigned int *pcbHeaderSize,
psEthHeader->abySrcAddr[ii] = pMACHeader->abyAddr3[ii];
}
} else {
// IBSS mode
/* IBSS mode */
for (ii = 0; ii < ETH_ALEN; ii++) {
psEthHeader->abyDstAddr[ii] = pMACHeader->abyAddr1[ii];
psEthHeader->abySrcAddr[ii] = pMACHeader->abyAddr2[ii];
}
}
} else {
// Is AP mode..
/* Is AP mode.. */
if (pMACHeader->wFrameCtl & FC_FROMDS) {
for (ii = 0; ii < ETH_ALEN; ii++) {
psEthHeader->abyDstAddr[ii] = pMACHeader->abyAddr3[ii];
......@@ -303,7 +303,7 @@ device_receive_frame(
unsigned short wRxTSC15_0 = 0;
unsigned long dwRxTSC47_16 = 0;
SKeyItem STempKey;
// 802.11h RPI
/* 802.11h RPI */
unsigned long dwDuration = 0;
long ldBm = 0;
long ldBmThreshold = 0;
......@@ -318,10 +318,12 @@ device_receive_frame(
pwFrameSize = (unsigned short *)(skb->data + 2);
FrameSize = cpu_to_le16(pCurrRD->m_rd1RD1.wReqCount) - cpu_to_le16(pCurrRD->m_rd0RD0.wResCount);
// Max: 2312Payload + 30HD +4CRC + 2Padding + 4Len + 8TSF + 4RSR
// Min (ACK): 10HD +4CRC + 2Padding + 4Len + 8TSF + 4RSR
/*
* Max: 2312Payload + 30HD +4CRC + 2Padding + 4Len + 8TSF + 4RSR
* Min (ACK): 10HD +4CRC + 2Padding + 4Len + 8TSF + 4RSR
*/
if ((FrameSize > 2364) || (FrameSize <= 32)) {
// Frame Size error drop this packet.
/* Frame Size error drop this packet. */
pr_debug("---------- WRONG Length 1\n");
return false;
}
......@@ -335,16 +337,18 @@ device_receive_frame(
pqwTSFTime = (__le64 *)(skb->data + FrameSize - 12);
pbyFrame = (unsigned char *)(skb->data + 4);
// get packet size
/* get packet size */
FrameSize = cpu_to_le16(*pwFrameSize);
if ((FrameSize > 2346)|(FrameSize < 14)) { // Max: 2312Payload + 30HD +4CRC
// Min: 14 bytes ACK
if ((FrameSize > 2346)|(FrameSize < 14)) { /*
* Max: 2312Payload + 30HD +4CRC
* Min: 14 bytes ACK
*/
pr_debug("---------- WRONG Length 2\n");
return false;
}
// update receive statistic counter
/* update receive statistic counter */
STAvUpdateRDStatCounter(&pDevice->scStatistic,
*pbyRsr,
*pbyNewRsr,
......@@ -362,10 +366,10 @@ device_receive_frame(
dwDuration /= acbyRxRate[*pbyRxRate%MAX_RATE];
if (*pbyRxRate <= RATE_11M) {
if (*pbyRxSts & 0x01) {
// long preamble
/* long preamble */
dwDuration += 192;
} else {
// short preamble
/* short preamble */
dwDuration += 96;
}
} else {
......@@ -391,10 +395,10 @@ device_receive_frame(
}
}
// Use for TKIP MIC
/* Use for TKIP MIC */
s_vGetDASA(skb->data+4, &cbHeaderSize, &pDevice->sRxEthHeader);
// filter packet send from myself
/* filter packet send from myself */
if (ether_addr_equal(pDevice->sRxEthHeader.abySrcAddr,
pDevice->abyCurrentNetAddr))
return false;
......@@ -402,7 +406,7 @@ device_receive_frame(
if ((pMgmt->eCurrMode == WMAC_MODE_ESS_AP) || (pMgmt->eCurrMode == WMAC_MODE_IBSS_STA)) {
if (IS_CTL_PSPOLL(pbyFrame) || !IS_TYPE_CONTROL(pbyFrame)) {
p802_11Header = (PS802_11Header)(pbyFrame);
// get SA NodeIndex
/* get SA NodeIndex */
if (BSSDBbIsSTAInNodeDB(pMgmt, (unsigned char *)(p802_11Header->abyAddr2), &iSANodeIndex)) {
pMgmt->sNodeDBTable[iSANodeIndex].ulLastRxJiffer = jiffies;
pMgmt->sNodeDBTable[iSANodeIndex].uInActiveCount = 0;
......@@ -474,25 +478,22 @@ device_receive_frame(
return false;
}
if ((pKey != NULL) && (pKey->byCipherSuite == KEY_CTL_CCMP))
FrameSize -= 8; // Message Integrity Code
FrameSize -= 8; /* Message Integrity Code */
else
FrameSize -= 4; // 4 is ICV
FrameSize -= 4; /* 4 is ICV */
}
//
// RX OK
//
//remove the CRC length
/* RX OK, remove the CRC length */
FrameSize -= ETH_FCS_LEN;
if ((!(*pbyRsr & (RSR_ADDRBROAD | RSR_ADDRMULTI))) && // unicast address
if ((!(*pbyRsr & (RSR_ADDRBROAD | RSR_ADDRMULTI))) && /* unicast address */
(IS_FRAGMENT_PKT((skb->data+4)))
) {
// defragment
/* defragment */
bDeFragRx = WCTLbHandleFragment(pDevice, (PS802_11Header)(skb->data+4), FrameSize, bIsWEP, bExtIV);
pDevice->s802_11Counter.ReceivedFragmentCount++;
if (bDeFragRx) {
// defrag complete
/* defrag complete */
skb = pDevice->sRxDFCB[pDevice->uCurrentDFCBIdx].skb;
FrameSize = pDevice->sRxDFCB[pDevice->uCurrentDFCBIdx].cbFrameLength;
......@@ -501,9 +502,9 @@ device_receive_frame(
}
}
// Management & Control frame Handle
/* Management & Control frame Handle */
if ((IS_TYPE_DATA((skb->data+4))) == false) {
// Handle Control & Manage Frame
/* Handle Control & Manage Frame */
if (IS_TYPE_MGMT((skb->data+4))) {
unsigned char *pbyData1;
......@@ -515,7 +516,7 @@ device_receive_frame(
pRxPacket->bySQ = *pbySQ;
pRxPacket->qwLocalTSF = le64_to_cpu(*pqwTSFTime);
if (bIsWEP) {
// strip IV
/* strip IV */
pbyData1 = WLAN_HDR_A3_DATA_PTR(skb->data+4);
pbyData2 = WLAN_HDR_A3_DATA_PTR(skb->data+4) + 4;
for (ii = 0; ii < (FrameSize - 4); ii++) {
......@@ -529,7 +530,7 @@ device_receive_frame(
vMgrRxManagePacket((void *)pDevice, pDevice->pMgmt, pRxPacket);
// hostap Deamon handle 802.11 management
/* hostap Deamon handle 802.11 management */
if (pDevice->bEnableHostapd) {
skb->dev = pDevice->apdev;
skb->data += 4;
......@@ -547,7 +548,7 @@ device_receive_frame(
return false;
} else {
if (pMgmt->eCurrMode == WMAC_MODE_ESS_AP) {
//In AP mode, hw only check addr1(BSSID or RA) if equal to local MAC.
/* In AP mode, hw only check addr1(BSSID or RA) if equal to local MAC. */
if (!(*pbyRsr & RSR_BSSIDOK)) {
if (bDeFragRx) {
if (!device_alloc_frag_buf(pDevice, &pDevice->sRxDFCB[pDevice->uCurrentDFCBIdx])) {
......@@ -558,7 +559,7 @@ device_receive_frame(
return false;
}
} else {
// discard DATA packet while not associate || BSSID error
/* discard DATA packet while not associate || BSSID error */
if (!pDevice->bLinkPass || !(*pbyRsr & RSR_BSSIDOK)) {
if (bDeFragRx) {
if (!device_alloc_frag_buf(pDevice, &pDevice->sRxDFCB[pDevice->uCurrentDFCBIdx])) {
......@@ -568,10 +569,9 @@ device_receive_frame(
}
return false;
}
//mike add:station mode check eapol-key challenge--->
{
unsigned char Protocol_Version; //802.1x Authentication
unsigned char Packet_Type; //802.1x Authentication
unsigned char Protocol_Version; /* 802.1x Authentication */
unsigned char Packet_Type; /* 802.1x Authentication */
if (bIsWEP)
cbIVOffset = 8;
......@@ -581,18 +581,17 @@ device_receive_frame(
skb->data[cbIVOffset + 8 + 24 + 6 + 1];
Protocol_Version = skb->data[cbIVOffset + 8 + 24 + 6 + 1 + 1];
Packet_Type = skb->data[cbIVOffset + 8 + 24 + 6 + 1 + 1 + 1];
if (wEtherType == ETH_P_PAE) { //Protocol Type in LLC-Header
if (wEtherType == ETH_P_PAE) { /* Protocol Type in LLC-Header */
if (((Protocol_Version == 1) || (Protocol_Version == 2)) &&
(Packet_Type == 3)) { //802.1x OR eapol-key challenge frame receive
(Packet_Type == 3)) { /*802.1x OR eapol-key challenge frame receive */
bRxeapol_key = true;
}
}
}
//mike add:station mode check eapol-key challenge<---
}
}
// Data frame Handle
/* Data frame Handle */
if (pDevice->bEnablePSMode) {
if (!IS_FC_MOREDATA((skb->data+4))) {
......@@ -601,7 +600,7 @@ device_receive_frame(
}
}
// Now it only supports 802.11g Infrastructure Mode, and support rate must up to 54 Mbps
/* Now it only supports 802.11g Infrastructure Mode, and support rate must up to 54 Mbps */
if (pDevice->bDiversityEnable && (FrameSize > 50) &&
(pDevice->op_mode == NL80211_IFTYPE_STATION) &&
pDevice->bLinkPass) {
......@@ -616,7 +615,7 @@ device_receive_frame(
if ((*pbyRSSI != 0) &&
(pMgmt->pCurrBSS != NULL)) {
RFvRSSITodBm(pDevice, *pbyRSSI, &ldBm);
// Monitor if RSSI is too strong.
/* Monitor if RSSI is too strong. */
pMgmt->pCurrBSS->byRSSIStatCnt++;
pMgmt->pCurrBSS->byRSSIStatCnt %= RSSI_STAT_COUNT;
pMgmt->pCurrBSS->ldBmAverage[pMgmt->pCurrBSS->byRSSIStatCnt] = ldBm;
......@@ -626,12 +625,10 @@ device_receive_frame(
}
// -----------------------------------------------
if ((pMgmt->eCurrMode == WMAC_MODE_ESS_AP) && pDevice->bEnable8021x) {
unsigned char abyMacHdr[24];
// Only 802.1x packet incoming allowed
/* Only 802.1x packet incoming allowed */
if (bIsWEP)
cbIVOffset = 8;
else
......@@ -644,7 +641,7 @@ device_receive_frame(
skb->dev = pDevice->apdev;
if (bIsWEP) {
// strip IV header(8)
/* strip IV header(8) */
memcpy(&abyMacHdr[0], (skb->data + 4), 24);
memcpy((skb->data + 4 + cbIVOffset), &abyMacHdr[0], 24);
}
......@@ -660,18 +657,17 @@ device_receive_frame(
return true;
}
// check if 802.1x authorized
/* check if 802.1x authorized */
if (!(pMgmt->sNodeDBTable[iSANodeIndex].dwFlags & WLAN_STA_AUTHORIZED))
return false;
}
if ((pKey != NULL) && (pKey->byCipherSuite == KEY_CTL_TKIP)) {
if (bIsWEP)
FrameSize -= 8; //MIC
FrameSize -= 8; /* MIC */
}
//--------------------------------------------------------------------------------
// Soft MIC
/* Soft MIC */
if ((pKey != NULL) && (pKey->byCipherSuite == KEY_CTL_TKIP)) {
if (bIsWEP) {
__le32 *pdwMIC_L;
......@@ -702,7 +698,7 @@ device_receive_frame(
MIC_vAppend((unsigned char *)&(pDevice->sRxEthHeader.abyDstAddr[0]), 12);
dwMIC_Priority = 0;
MIC_vAppend((unsigned char *)&dwMIC_Priority, 4);
// 4 is Rcv buffer header, 24 is MAC Header, and 8 is IV and Ext IV.
/* 4 is Rcv buffer header, 24 is MAC Header, and 8 is IV and Ext IV. */
MIC_vAppend((unsigned char *)(skb->data + 4 + WLAN_HDR_ADDR3_LEN + 8),
FrameSize - WLAN_HDR_ADDR3_LEN - 8);
MIC_vGetMIC(&dwLocalMIC_L, &dwLocalMIC_R);
......@@ -723,13 +719,12 @@ device_receive_frame(
pDevice->dev->name);
}
}
//2008-0409-07, <Add> by Einsn Liu
#ifdef WPA_SUPPLICANT_DRIVER_WEXT_SUPPORT
//send event to wpa_supplicant
/* send event to wpa_supplicant */
{
union iwreq_data wrqu;
struct iw_michaelmicfailure ev;
int keyidx = pbyFrame[cbHeaderSize+3] >> 6; //top two-bits
int keyidx = pbyFrame[cbHeaderSize+3] >> 6; /* top two-bits */
memset(&ev, 0, sizeof(ev));
ev.flags = keyidx & IW_MICFAILURE_KEY_ID;
......@@ -776,17 +771,16 @@ device_receive_frame(
}
}
} //---end of SOFT MIC-----------------------------------------------------------------------
// ++++++++++ Reply Counter Check +++++++++++++
}
/* ++++++++++ Reply Counter Check +++++++++++++ */
if ((pKey != NULL) && ((pKey->byCipherSuite == KEY_CTL_TKIP) ||
(pKey->byCipherSuite == KEY_CTL_CCMP))) {
if (bIsWEP) {
unsigned short wLocalTSC15_0 = 0;
unsigned long dwLocalTSC47_16 = 0;
unsigned long long RSC = 0;
// endian issues
/* endian issues */
RSC = *((unsigned long long *)&(pKey->KeyRSC));
wLocalTSC15_0 = (unsigned short)RSC;
dwLocalTSC47_16 = (unsigned long)(RSC>>16);
......@@ -798,7 +792,7 @@ device_receive_frame(
if ((pDevice->sMgmtObj.eCurrMode == WMAC_MODE_ESS_STA) &&
(pDevice->sMgmtObj.eCurrState == WMAC_STATE_ASSOC)) {
// check RSC
/* check RSC */
if ((wRxTSC15_0 < wLocalTSC15_0) &&
(dwRxTSC47_16 <= dwLocalTSC47_16) &&
!((dwRxTSC47_16 == 0) && (dwLocalTSC47_16 == 0xFFFFFFFF))) {
......@@ -818,13 +812,13 @@ device_receive_frame(
}
}
}
} // ----- End of Reply Counter Check --------------------------
}
s_vProcessRxMACHeader(pDevice, (unsigned char *)(skb->data+4), FrameSize, bIsWEP, bExtIV, &cbHeaderOffset);
FrameSize -= cbHeaderOffset;
cbHeaderOffset += 4; // 4 is Rcv buffer header
cbHeaderOffset += 4; /* 4 is Rcv buffer header */
// Null data, framesize = 14
/* Null data, framesize = 14 */
if (FrameSize < 15)
return false;
......@@ -851,7 +845,7 @@ device_receive_frame(
skb_put(skb, FrameSize);
skb->protocol = eth_type_trans(skb, skb->dev);
//drop frame not met IEEE 802.3
/* drop frame not met IEEE 802.3 */
skb->ip_summed = CHECKSUM_NONE;
pStats->rx_bytes += skb->len;
......@@ -882,13 +876,14 @@ static bool s_bAPModeRxCtl(
if (IS_CTL_PSPOLL(pbyFrame) || !IS_TYPE_CONTROL(pbyFrame)) {
p802_11Header = (PS802_11Header)(pbyFrame);
if (!IS_TYPE_MGMT(pbyFrame)) {
// Data & PS-Poll packet
// check frame class
/* Data & PS-Poll packet, check frame class */
if (iSANodeIndex > 0) {
// frame class 3 fliter & checking
/* frame class 3 fliter & checking */
if (pMgmt->sNodeDBTable[iSANodeIndex].eNodeState < NODE_AUTH) {
// send deauth notification
// reason = (6) class 2 received from nonauth sta
/*
* send deauth notification
* reason = (6) class 2 received from nonauth sta
*/
vMgrDeAuthenBeginSta(pDevice,
pMgmt,
(unsigned char *)(p802_11Header->abyAddr2),
......@@ -899,8 +894,10 @@ static bool s_bAPModeRxCtl(
return true;
}
if (pMgmt->sNodeDBTable[iSANodeIndex].eNodeState < NODE_ASSOC) {
// send deassoc notification
// reason = (7) class 3 received from nonassoc sta
/*
* send deassoc notification
* reason = (7) class 3 received from nonassoc sta
*/
vMgrDisassocBeginSta(pDevice,
pMgmt,
(unsigned char *)(p802_11Header->abyAddr2),
......@@ -912,14 +909,16 @@ static bool s_bAPModeRxCtl(
}
if (pMgmt->sNodeDBTable[iSANodeIndex].bPSEnable) {
// delcare received ps-poll event
/* delcare received ps-poll event */
if (IS_CTL_PSPOLL(pbyFrame)) {
pMgmt->sNodeDBTable[iSANodeIndex].bRxPSPoll = true;
bScheduleCommand((void *)pDevice, WLAN_CMD_RX_PSPOLL, NULL);
pr_debug("dpc: WLAN_CMD_RX_PSPOLL 1\n");
} else {
// check Data PS state
// if PW bit off, send out all PS bufferring packets.
/*
* check Data PS state
* if PW bit off, send out all PS bufferring packets.
*/
if (!IS_FC_POWERMGT(pbyFrame)) {
pMgmt->sNodeDBTable[iSANodeIndex].bPSEnable = false;
pMgmt->sNodeDBTable[iSANodeIndex].bRxPSPoll = true;
......@@ -930,10 +929,10 @@ static bool s_bAPModeRxCtl(
} else {
if (IS_FC_POWERMGT(pbyFrame)) {
pMgmt->sNodeDBTable[iSANodeIndex].bPSEnable = true;
// Once if STA in PS state, enable multicast bufferring
/* Once if STA in PS state, enable multicast bufferring */
pMgmt->sNodeDBTable[0].bPSEnable = true;
} else {
// clear all pending PS frame.
/* clear all pending PS frame. */
if (pMgmt->sNodeDBTable[iSANodeIndex].wEnQueueCnt > 0) {
pMgmt->sNodeDBTable[iSANodeIndex].bPSEnable = false;
pMgmt->sNodeDBTable[iSANodeIndex].bRxPSPoll = true;
......@@ -994,7 +993,7 @@ static bool s_bHandleRxEncryption(
pbyIV = pbyFrame + WLAN_HDR_ADDR3_LEN;
if (WLAN_GET_FC_TODS(*(unsigned short *)pbyFrame) &&
WLAN_GET_FC_FROMDS(*(unsigned short *)pbyFrame)) {
pbyIV += 6; // 6 is 802.11 address4
pbyIV += 6; /* 6 is 802.11 address4 */
PayloadLen -= 6;
}
byKeyIdx = (*(pbyIV+3) & 0xc0);
......@@ -1008,7 +1007,7 @@ static bool s_bHandleRxEncryption(
(pMgmt->eAuthenMode == WMAC_AUTH_WPA2PSK)) {
if (((*pbyRsr & (RSR_ADDRBROAD | RSR_ADDRMULTI)) == 0) &&
(pDevice->pMgmt->byCSSPK != KEY_CTL_NONE)) {
// unicast pkt use pairwise key
/* unicast pkt use pairwise key */
pr_debug("unicast pkt\n");
if (KeybGetKey(&(pDevice->sKey), pDevice->abyBSSID, 0xFFFFFFFF, &pKey) == true) {
if (pDevice->pMgmt->byCSSPK == KEY_CTL_TKIP)
......@@ -1018,7 +1017,7 @@ static bool s_bHandleRxEncryption(
}
pr_debug("unicast pkt: %d, %p\n", byDecMode, pKey);
} else {
// use group key
/* use group key */
KeybGetKey(&(pDevice->sKey), pDevice->abyBSSID, byKeyIdx, &pKey);
if (pDevice->pMgmt->byCSSGK == KEY_CTL_TKIP)
byDecMode = KEY_CTL_TKIP;
......@@ -1028,9 +1027,9 @@ static bool s_bHandleRxEncryption(
byKeyIdx, byDecMode, pKey);
}
}
// our WEP only support Default Key
/* our WEP only support Default Key */
if (pKey == NULL) {
// use default group key
/* use default group key */
KeybGetKey(&(pDevice->sKey), pDevice->abyBroadcastAddr, byKeyIdx, &pKey);
if (pDevice->pMgmt->byCSSGK == KEY_CTL_TKIP)
byDecMode = KEY_CTL_TKIP;
......@@ -1053,14 +1052,16 @@ static bool s_bHandleRxEncryption(
return false;
}
if (byDecMode == KEY_CTL_WEP) {
// handle WEP
/* handle WEP */
if ((pDevice->byLocalID <= REV_ID_VT3253_A1) ||
(((PSKeyTable)(pKey->pvKeyTable))->bSoftWEP == true)) {
// Software WEP
// 1. 3253A
// 2. WEP 256
/*
* Software WEP
* 1. 3253A
* 2. WEP 256
*/
PayloadLen -= (WLAN_HDR_ADDR3_LEN + 4 + 4); // 24 is 802.11 header,4 is IV, 4 is crc
PayloadLen -= (WLAN_HDR_ADDR3_LEN + 4 + 4); /* 24 is 802.11 header,4 is IV, 4 is crc */
memcpy(pDevice->abyPRNG, pbyIV, 3);
memcpy(pDevice->abyPRNG + 3, pKey->abyKey, pKey->uKeyLength);
rc4_init(&pDevice->SBox, pDevice->abyPRNG, pKey->uKeyLength + 3);
......@@ -1072,9 +1073,9 @@ static bool s_bHandleRxEncryption(
}
} else if ((byDecMode == KEY_CTL_TKIP) ||
(byDecMode == KEY_CTL_CCMP)) {
// TKIP/AES
/* TKIP/AES */
PayloadLen -= (WLAN_HDR_ADDR3_LEN + 8 + 4); // 24 is 802.11 header, 8 is IV&ExtIV, 4 is crc
PayloadLen -= (WLAN_HDR_ADDR3_LEN + 8 + 4); /* 24 is 802.11 header, 8 is IV&ExtIV, 4 is crc */
*pdwRxTSC47_16 = cpu_to_le32(*(unsigned long *)(pbyIV + 4));
pr_debug("ExtIV: %lx\n", *pdwRxTSC47_16);
if (byDecMode == KEY_CTL_TKIP)
......@@ -1086,8 +1087,10 @@ static bool s_bHandleRxEncryption(
if ((byDecMode == KEY_CTL_TKIP) &&
(pDevice->byLocalID <= REV_ID_VT3253_A1)) {
// Software TKIP
// 1. 3253 A
/*
* Software TKIP
* 1. 3253 A
*/
PS802_11Header pMACHeader = (PS802_11Header)(pbyFrame);
TKIPvMixKey(pKey->abyKey, pMACHeader->abyAddr2, *pwRxTSC15_0, *pdwRxTSC47_16, pDevice->abyPRNG);
......@@ -1101,7 +1104,7 @@ static bool s_bHandleRxEncryption(
pr_debug("PayloadLen = %d\n", PayloadLen);
}
}
}// end of TKIP/AES
}
if ((*(pbyIV+3) & 0x20) != 0)
*pbExtIV = true;
......@@ -1133,7 +1136,7 @@ static bool s_bHostWepRxEncryption(
pbyIV = pbyFrame + WLAN_HDR_ADDR3_LEN;
if (WLAN_GET_FC_TODS(*(unsigned short *)pbyFrame) &&
WLAN_GET_FC_FROMDS(*(unsigned short *)pbyFrame)) {
pbyIV += 6; // 6 is 802.11 address4
pbyIV += 6; /* 6 is 802.11 address4 */
PayloadLen -= 6;
}
byKeyIdx = (*(pbyIV+3) & 0xc0);
......@@ -1152,18 +1155,20 @@ static bool s_bHostWepRxEncryption(
return false;
if (byDecMode == KEY_CTL_WEP) {
// handle WEP
/* handle WEP */
pr_debug("byDecMode == KEY_CTL_WEP\n");
if ((pDevice->byLocalID <= REV_ID_VT3253_A1) ||
(((PSKeyTable)(pKey->pvKeyTable))->bSoftWEP == true) ||
!bOnFly) {
// Software WEP
// 1. 3253A
// 2. WEP 256
// 3. NotOnFly
/*
* Software WEP
* 1. 3253A
* 2. WEP 256
* 3. NotOnFly
*/
PayloadLen -= (WLAN_HDR_ADDR3_LEN + 4 + 4); // 24 is 802.11 header,4 is IV, 4 is crc
PayloadLen -= (WLAN_HDR_ADDR3_LEN + 4 + 4); /* 24 is 802.11 header,4 is IV, 4 is crc */
memcpy(pDevice->abyPRNG, pbyIV, 3);
memcpy(pDevice->abyPRNG + 3, pKey->abyKey, pKey->uKeyLength);
rc4_init(&pDevice->SBox, pDevice->abyPRNG, pKey->uKeyLength + 3);
......@@ -1175,9 +1180,9 @@ static bool s_bHostWepRxEncryption(
}
} else if ((byDecMode == KEY_CTL_TKIP) ||
(byDecMode == KEY_CTL_CCMP)) {
// TKIP/AES
/* TKIP/AES */
PayloadLen -= (WLAN_HDR_ADDR3_LEN + 8 + 4); // 24 is 802.11 header, 8 is IV&ExtIV, 4 is crc
PayloadLen -= (WLAN_HDR_ADDR3_LEN + 8 + 4); /* 24 is 802.11 header, 8 is IV&ExtIV, 4 is crc */
*pdwRxTSC47_16 = cpu_to_le32(*(unsigned long *)(pbyIV + 4));
pr_debug("ExtIV: %lx\n", *pdwRxTSC47_16);
......@@ -1190,9 +1195,11 @@ static bool s_bHostWepRxEncryption(
if (byDecMode == KEY_CTL_TKIP) {
if ((pDevice->byLocalID <= REV_ID_VT3253_A1) || !bOnFly) {
// Software TKIP
// 1. 3253 A
// 2. NotOnFly
/*
* Software TKIP
* 1. 3253 A
* 2. NotOnFly
*/
pr_debug("soft KEY_CTL_TKIP\n");
pMACHeader = (PS802_11Header)(pbyFrame);
TKIPvMixKey(pKey->abyKey, pMACHeader->abyAddr2, *pwRxTSC15_0, *pdwRxTSC47_16, pDevice->abyPRNG);
......@@ -1211,8 +1218,10 @@ static bool s_bHostWepRxEncryption(
if (byDecMode == KEY_CTL_CCMP) {
if (!bOnFly) {
// Software CCMP
// NotOnFly
/*
* Software CCMP
* NotOnFly
*/
pr_debug("soft KEY_CTL_CCMP\n");
if (AESbGenCCMP(pKey->abyKey, pbyFrame, FrameSize)) {
*pbyNewRsr |= NEWRSR_DECRYPTOK;
......@@ -1223,7 +1232,7 @@ static bool s_bHostWepRxEncryption(
}
}
}// end of TKIP/AES
}
if ((*(pbyIV+3) & 0x20) != 0)
*pbExtIV = true;
......@@ -1249,12 +1258,12 @@ static bool s_bAPModeRxData(
if (FrameSize > CB_MAX_BUF_SIZE)
return false;
// check DA
/* check DA */
if (is_multicast_ether_addr((unsigned char *)(skb->data+cbHeaderOffset))) {
if (pMgmt->sNodeDBTable[0].bPSEnable) {
skbcpy = dev_alloc_skb((int)pDevice->rx_buf_sz);
// if any node in PS mode, buffer packet until DTIM.
/* if any node in PS mode, buffer packet until DTIM. */
if (skbcpy == NULL) {
pr_info("relay multicast no skb available\n");
} else {
......@@ -1264,18 +1273,18 @@ static bool s_bAPModeRxData(
skb_queue_tail(&(pMgmt->sNodeDBTable[0].sTxPSQueue), skbcpy);
pMgmt->sNodeDBTable[0].wEnQueueCnt++;
// set tx map
/* set tx map */
pMgmt->abyPSTxMap[0] |= byMask[0];
}
} else {
bRelayAndForward = true;
}
} else {
// check if relay
/* check if relay */
if (BSSDBbIsSTAInNodeDB(pMgmt, (unsigned char *)(skb->data+cbHeaderOffset), &iDANodeIndex)) {
if (pMgmt->sNodeDBTable[iDANodeIndex].eNodeState >= NODE_ASSOC) {
if (pMgmt->sNodeDBTable[iDANodeIndex].bPSEnable) {
// queue this skb until next PS tx, and then release.
/* queue this skb until next PS tx, and then release. */
skb->data += cbHeaderOffset;
skb->tail += cbHeaderOffset;
......@@ -1296,7 +1305,7 @@ static bool s_bAPModeRxData(
}
if (bRelayOnly || bRelayAndForward) {
// relay this packet right now
/* relay this packet right now */
if (bRelayAndForward)
iDANodeIndex = 0;
......@@ -1306,7 +1315,7 @@ static bool s_bAPModeRxData(
if (bRelayOnly)
return false;
}
// none associate, don't forward
/* none associate, don't forward */
if (pDevice->uAssocCount == 0)
return false;
......
Markdown is supported
0% or
You are about to add 0 people to the discussion. Proceed with caution.
Finish editing this message first!
Please register or to comment
GitLab Nexedi Edition | About GitLab | About Nexedi | 沪ICP备2021021310号-2 | 沪ICP备2021021310号-7