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staging: vt6655: rxtx: Replace typedef struct tagSMICHDRHead

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With struct vnt_mic_hdr replacing pointer assigments in
s_vFillTxKey.

The size of new struture is the same as old with packing

Create the struture rxtx.h where it is only used.

Signed-off-by: Malcolm Priestley <tvboxspy@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Malcolm Priestley 2014-08-09 20:15:56 +01:00 committed by Greg Kroah-Hartman
parent effda6973d
commit 11a72e5e11
3 changed files with 57 additions and 53 deletions
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11
drivers/staging/vt6655/desc.h
View File

@ -550,17 +550,6 @@ typedef struct tagSTxDataHead_a_FB {
STxDataHead_a_FB, *PSTxDataHead_a_FB;
typedef const STxDataHead_a_FB *PCSTxDataHead_a_FB;
//
// MICHDR data header
//
typedef struct tagSMICHDRHead {
u32 adwHDR0[4];
u32 adwHDR1[4];
u32 adwHDR2[4];
} __attribute__ ((__packed__))
SMICHDRHead, *PSMICHDRHead;
typedef const SMICHDRHead *PCSMICHDRHead;
typedef struct tagSBEACONCtl {
u32 BufReady:1;
u32 TSF:15;

82
drivers/staging/vt6655/rxtx.c
View File

@ -196,9 +196,9 @@ s_vFillTxKey(
unsigned char *pMICHDR
)
{
struct vnt_mic_hdr *mic_hdr = (struct vnt_mic_hdr *)pMICHDR;
unsigned long *pdwIV = (unsigned long *)pbyIVHead;
unsigned long *pdwExtIV = (unsigned long *)((unsigned char *)pbyIVHead+4);
unsigned short wValue;
PS802_11Header pMACHeader = (PS802_11Header)pbyHdrBuf;
unsigned long dwRevIVCounter;
unsigned char byKeyIndex = 0;
@ -262,40 +262,38 @@ s_vFillTxKey(
//Append IV&ExtIV after Mac Header
*pdwExtIV = cpu_to_le32(pTransmitKey->dwTSC47_16);
//Fill MICHDR0
*pMICHDR = 0x59;
*((unsigned char *)(pMICHDR+1)) = 0; // TxPriority
memcpy(pMICHDR+2, &(pMACHeader->abyAddr2[0]), 6);
*((unsigned char *)(pMICHDR+8)) = HIBYTE(HIWORD(pTransmitKey->dwTSC47_16));
*((unsigned char *)(pMICHDR+9)) = LOBYTE(HIWORD(pTransmitKey->dwTSC47_16));
*((unsigned char *)(pMICHDR+10)) = HIBYTE(LOWORD(pTransmitKey->dwTSC47_16));
*((unsigned char *)(pMICHDR+11)) = LOBYTE(LOWORD(pTransmitKey->dwTSC47_16));
*((unsigned char *)(pMICHDR+12)) = HIBYTE(pTransmitKey->wTSC15_0);
*((unsigned char *)(pMICHDR+13)) = LOBYTE(pTransmitKey->wTSC15_0);
*((unsigned char *)(pMICHDR+14)) = HIBYTE(wPayloadLen);
*((unsigned char *)(pMICHDR+15)) = LOBYTE(wPayloadLen);
/* MICHDR0 */
mic_hdr->id = 0x59;
mic_hdr->tx_priority = 0;
memcpy(mic_hdr->mic_addr2, pMACHeader->abyAddr2, ETH_ALEN);
/* ccmp pn big endian order */
mic_hdr->ccmp_pn[0] = (u8)(pTransmitKey->dwTSC47_16 >> 24);
mic_hdr->ccmp_pn[1] = (u8)(pTransmitKey->dwTSC47_16 >> 16);
mic_hdr->ccmp_pn[2] = (u8)(pTransmitKey->dwTSC47_16 >> 8);
mic_hdr->ccmp_pn[3] = (u8)pTransmitKey->dwTSC47_16;
mic_hdr->ccmp_pn[4] = (u8)(pTransmitKey->wTSC15_0 >> 8);
mic_hdr->ccmp_pn[5] = (u8)pTransmitKey->wTSC15_0;
/* MICHDR1 */
mic_hdr->payload_len = cpu_to_be16(wPayloadLen);
//Fill MICHDR1
*((unsigned char *)(pMICHDR+16)) = 0; // HLEN[15:8]
if (pDevice->bLongHeader)
*((unsigned char *)(pMICHDR+17)) = 28; // HLEN[7:0]
mic_hdr->hlen = cpu_to_be16(28);
else
*((unsigned char *)(pMICHDR+17)) = 22; // HLEN[7:0]
mic_hdr->hlen = cpu_to_be16(22);
wValue = cpu_to_le16(pMACHeader->wFrameCtl & 0xC78F);
memcpy(pMICHDR+18, (unsigned char *)&wValue, 2); // MSKFRACTL
memcpy(pMICHDR+20, &(pMACHeader->abyAddr1[0]), 6);
memcpy(pMICHDR+26, &(pMACHeader->abyAddr2[0]), 6);
memcpy(mic_hdr->addr1, pMACHeader->abyAddr1, ETH_ALEN);
memcpy(mic_hdr->addr2, pMACHeader->abyAddr2, ETH_ALEN);
/* MICHDR2 */
memcpy(mic_hdr->addr3, pMACHeader->abyAddr3, ETH_ALEN);
mic_hdr->frame_control =
cpu_to_le16(pMACHeader->wFrameCtl & 0xc78f);
mic_hdr->seq_ctrl = cpu_to_le16(pMACHeader->wSeqCtl & 0xf);
//Fill MICHDR2
memcpy(pMICHDR+32, &(pMACHeader->abyAddr3[0]), 6);
wValue = pMACHeader->wSeqCtl;
wValue &= 0x000F;
wValue = cpu_to_le16(wValue);
memcpy(pMICHDR+38, (unsigned char *)&wValue, 2); // MSKSEQCTL
if (pDevice->bLongHeader)
memcpy(pMICHDR+40, &(pMACHeader->abyAddr4[0]), 6);
memcpy(mic_hdr->addr4, pMACHeader->abyAddr4, ETH_ALEN);
}
}
@ -1252,7 +1250,7 @@ s_cbFillTxBufHead(PSDevice pDevice, unsigned char byPktType, unsigned char *pbyT
PSTxBufHead psTxBufHd = (PSTxBufHead) pbyTxBufferAddr;
unsigned int cbHeaderLength = 0;
void *pvRrvTime;
PSMICHDRHead pMICHDR;
struct vnt_mic_hdr *pMICHDR;
void *pvRTS;
void *pvCTS;
void *pvTxDataHd;
@ -1297,7 +1295,7 @@ s_cbFillTxBufHead(PSDevice pDevice, unsigned char byPktType, unsigned char *pbyT
if (pTransmitKey->byCipherSuite == KEY_CTL_CCMP) {
cbIVlen = 8;//RSN Header
cbICVlen = 8;//MIC
cbMICHDR = sizeof(SMICHDRHead);
cbMICHDR = sizeof(struct vnt_mic_hdr);
}
if (pDevice->byLocalID > REV_ID_VT3253_A1) {
//MAC Header should be padding 0 to DW alignment.
@ -1333,14 +1331,14 @@ s_cbFillTxBufHead(PSDevice pDevice, unsigned char byPktType, unsigned char *pbyT
if (byFBOption == AUTO_FB_NONE) {
if (bRTS == true) {//RTS_need
pvRrvTime = (PSRrvTime_gRTS) (pbyTxBufferAddr + wTxBufSize);
pMICHDR = (PSMICHDRHead) (pbyTxBufferAddr + wTxBufSize + sizeof(SRrvTime_gRTS));
pMICHDR = (struct vnt_mic_hdr *) (pbyTxBufferAddr + wTxBufSize + sizeof(SRrvTime_gRTS));
pvRTS = (PSRTS_g) (pbyTxBufferAddr + wTxBufSize + sizeof(SRrvTime_gRTS) + cbMICHDR);
pvCTS = NULL;
pvTxDataHd = (PSTxDataHead_g) (pbyTxBufferAddr + wTxBufSize + sizeof(SRrvTime_gRTS) + cbMICHDR + sizeof(SRTS_g));
cbHeaderLength = wTxBufSize + sizeof(SRrvTime_gRTS) + cbMICHDR + sizeof(SRTS_g) + sizeof(STxDataHead_g);
} else { //RTS_needless
pvRrvTime = (PSRrvTime_gCTS) (pbyTxBufferAddr + wTxBufSize);
pMICHDR = (PSMICHDRHead) (pbyTxBufferAddr + wTxBufSize + sizeof(SRrvTime_gCTS));
pMICHDR = (struct vnt_mic_hdr *) (pbyTxBufferAddr + wTxBufSize + sizeof(SRrvTime_gCTS));
pvRTS = NULL;
pvCTS = (PSCTS) (pbyTxBufferAddr + wTxBufSize + sizeof(SRrvTime_gCTS) + cbMICHDR);
pvTxDataHd = (PSTxDataHead_g) (pbyTxBufferAddr + wTxBufSize + sizeof(SRrvTime_gCTS) + cbMICHDR + sizeof(SCTS));
@ -1350,14 +1348,14 @@ s_cbFillTxBufHead(PSDevice pDevice, unsigned char byPktType, unsigned char *pbyT
// Auto Fall Back
if (bRTS == true) {//RTS_need
pvRrvTime = (PSRrvTime_gRTS) (pbyTxBufferAddr + wTxBufSize);
pMICHDR = (PSMICHDRHead) (pbyTxBufferAddr + wTxBufSize + sizeof(SRrvTime_gRTS));
pMICHDR = (struct vnt_mic_hdr *) (pbyTxBufferAddr + wTxBufSize + sizeof(SRrvTime_gRTS));
pvRTS = (PSRTS_g_FB) (pbyTxBufferAddr + wTxBufSize + sizeof(SRrvTime_gRTS) + cbMICHDR);
pvCTS = NULL;
pvTxDataHd = (PSTxDataHead_g_FB) (pbyTxBufferAddr + wTxBufSize + sizeof(SRrvTime_gRTS) + cbMICHDR + sizeof(SRTS_g_FB));
cbHeaderLength = wTxBufSize + sizeof(SRrvTime_gRTS) + cbMICHDR + sizeof(SRTS_g_FB) + sizeof(STxDataHead_g_FB);
} else { //RTS_needless
pvRrvTime = (PSRrvTime_gCTS) (pbyTxBufferAddr + wTxBufSize);
pMICHDR = (PSMICHDRHead) (pbyTxBufferAddr + wTxBufSize + sizeof(SRrvTime_gCTS));
pMICHDR = (struct vnt_mic_hdr *) (pbyTxBufferAddr + wTxBufSize + sizeof(SRrvTime_gCTS));
pvRTS = NULL;
pvCTS = (PSCTS_FB) (pbyTxBufferAddr + wTxBufSize + sizeof(SRrvTime_gCTS) + cbMICHDR);
pvTxDataHd = (PSTxDataHead_g_FB) (pbyTxBufferAddr + wTxBufSize + sizeof(SRrvTime_gCTS) + cbMICHDR + sizeof(SCTS_FB));
@ -1369,14 +1367,14 @@ s_cbFillTxBufHead(PSDevice pDevice, unsigned char byPktType, unsigned char *pbyT
if (byFBOption == AUTO_FB_NONE) {
if (bRTS == true) {
pvRrvTime = (PSRrvTime_ab) (pbyTxBufferAddr + wTxBufSize);
pMICHDR = (PSMICHDRHead) (pbyTxBufferAddr + wTxBufSize + sizeof(SRrvTime_ab));
pMICHDR = (struct vnt_mic_hdr *) (pbyTxBufferAddr + wTxBufSize + sizeof(SRrvTime_ab));
pvRTS = (PSRTS_ab) (pbyTxBufferAddr + wTxBufSize + sizeof(SRrvTime_ab) + cbMICHDR);
pvCTS = NULL;
pvTxDataHd = (PSTxDataHead_ab) (pbyTxBufferAddr + wTxBufSize + sizeof(PSRrvTime_ab) + cbMICHDR + sizeof(SRTS_ab));
cbHeaderLength = wTxBufSize + sizeof(PSRrvTime_ab) + cbMICHDR + sizeof(SRTS_ab) + sizeof(STxDataHead_ab);
} else { //RTS_needless, need MICHDR
pvRrvTime = (PSRrvTime_ab) (pbyTxBufferAddr + wTxBufSize);
pMICHDR = (PSMICHDRHead) (pbyTxBufferAddr + wTxBufSize + sizeof(SRrvTime_ab));
pMICHDR = (struct vnt_mic_hdr *) (pbyTxBufferAddr + wTxBufSize + sizeof(SRrvTime_ab));
pvRTS = NULL;
pvCTS = NULL;
pvTxDataHd = (PSTxDataHead_ab) (pbyTxBufferAddr + wTxBufSize + sizeof(SRrvTime_ab) + cbMICHDR);
@ -1386,14 +1384,14 @@ s_cbFillTxBufHead(PSDevice pDevice, unsigned char byPktType, unsigned char *pbyT
// Auto Fall Back
if (bRTS == true) {//RTS_need
pvRrvTime = (PSRrvTime_ab) (pbyTxBufferAddr + wTxBufSize);
pMICHDR = (PSMICHDRHead) (pbyTxBufferAddr + wTxBufSize + sizeof(SRrvTime_ab));
pMICHDR = (struct vnt_mic_hdr *) (pbyTxBufferAddr + wTxBufSize + sizeof(SRrvTime_ab));
pvRTS = (PSRTS_a_FB) (pbyTxBufferAddr + wTxBufSize + sizeof(SRrvTime_ab) + cbMICHDR);
pvCTS = NULL;
pvTxDataHd = (PSTxDataHead_a_FB) (pbyTxBufferAddr + wTxBufSize + sizeof(PSRrvTime_ab) + cbMICHDR + sizeof(SRTS_a_FB));
cbHeaderLength = wTxBufSize + sizeof(PSRrvTime_ab) + cbMICHDR + sizeof(SRTS_a_FB) + sizeof(STxDataHead_a_FB);
} else { //RTS_needless
pvRrvTime = (PSRrvTime_ab) (pbyTxBufferAddr + wTxBufSize);
pMICHDR = (PSMICHDRHead) (pbyTxBufferAddr + wTxBufSize + sizeof(SRrvTime_ab));
pMICHDR = (struct vnt_mic_hdr *) (pbyTxBufferAddr + wTxBufSize + sizeof(SRrvTime_ab));
pvRTS = NULL;
pvCTS = NULL;
pvTxDataHd = (PSTxDataHead_a_FB) (pbyTxBufferAddr + wTxBufSize + sizeof(SRrvTime_ab) + cbMICHDR);
@ -2656,7 +2654,7 @@ vDMA0_tx_80211(PSDevice pDevice, struct sk_buff *skb, unsigned char *pbMPDU, un
} else if (pDevice->eEncryptionStatus == Ndis802_11Encryption3Enabled) {
cbIVlen = 8;//RSN Header
cbICVlen = 8;//MIC
cbMICHDR = sizeof(SMICHDRHead);
cbMICHDR = sizeof(struct vnt_mic_hdr);
pTxBufHead->wFragCtl |= FRAGCTL_AES;
pDevice->bAES = true;
}
@ -2676,7 +2674,7 @@ vDMA0_tx_80211(PSDevice pDevice, struct sk_buff *skb, unsigned char *pbMPDU, un
if (byPktType == PK_TYPE_11GB || byPktType == PK_TYPE_11GA) {//802.11g packet
pvRrvTime = (PSRrvTime_gCTS) (pbyTxBufferAddr + wTxBufSize);
pMICHDR = (PSMICHDRHead) (pbyTxBufferAddr + wTxBufSize + sizeof(SRrvTime_gCTS));
pMICHDR = (struct vnt_mic_hdr *)(pbyTxBufferAddr + wTxBufSize + sizeof(SRrvTime_gCTS));
pvRTS = NULL;
pvCTS = (PSCTS) (pbyTxBufferAddr + wTxBufSize + sizeof(SRrvTime_gCTS) + cbMICHDR);
pvTxDataHd = (PSTxDataHead_g) (pbyTxBufferAddr + wTxBufSize + sizeof(SRrvTime_gCTS) + cbMICHDR + sizeof(SCTS));
@ -2685,7 +2683,7 @@ vDMA0_tx_80211(PSDevice pDevice, struct sk_buff *skb, unsigned char *pbMPDU, un
} else {//802.11a/b packet
pvRrvTime = (PSRrvTime_ab) (pbyTxBufferAddr + wTxBufSize);
pMICHDR = (PSMICHDRHead) (pbyTxBufferAddr + wTxBufSize + sizeof(SRrvTime_ab));
pMICHDR = (struct vnt_mic_hdr *) (pbyTxBufferAddr + wTxBufSize + sizeof(SRrvTime_ab));
pvRTS = NULL;
pvCTS = NULL;
pvTxDataHd = (PSTxDataHead_ab) (pbyTxBufferAddr + wTxBufSize + sizeof(SRrvTime_ab) + cbMICHDR);

17
drivers/staging/vt6655/rxtx.h
View File

@ -39,6 +39,23 @@
/*--------------------- Export Functions --------------------------*/
/* MIC HDR data header */
struct vnt_mic_hdr {
u8 id;
u8 tx_priority;
u8 mic_addr2[ETH_ALEN];
u8 ccmp_pn[6];
__be16 payload_len;
__be16 hlen;
__le16 frame_control;
u8 addr1[ETH_ALEN];
u8 addr2[ETH_ALEN];
u8 addr3[ETH_ALEN];
__le16 seq_ctrl;
u8 addr4[ETH_ALEN];
u16 packing; /* packing to 48 bytes */
} __packed;
void
vGenerateMACHeader(
PSDevice pDevice,