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Commit 95bfb1ae authored by Malcolm Priestley's avatar Malcolm Priestley Committed by Greg Kroah-Hartman
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staging: vt6656: rxtx.c s_vFillTxKey clean up format and white space. 

Signed-off-by: default avatarMalcolm Priestley <tvboxspy@gmail.com>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent 5fb8e412
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Showing with 93 additions and 82 deletions
drivers/staging/vt6656/rxtx.c
View file @ 95bfb1ae
......@@ -190,95 +190,106 @@ static void s_vFillTxKey(struct vnt_private *pDevice, u8 *pbyBuf,
struct ieee80211_hdr *pMACHeader = (struct ieee80211_hdr *)pbyHdrBuf;
u32 dwRevIVCounter;
//Fill TXKEY
if (pTransmitKey == NULL)
return;
dwRevIVCounter = cpu_to_le32(pDevice->dwIVCounter);
*pdwIV = pDevice->dwIVCounter;
pDevice->byKeyIndex = pTransmitKey->dwKeyIndex & 0xf;
if (pTransmitKey->byCipherSuite == KEY_CTL_WEP) {
if (pTransmitKey->uKeyLength == WLAN_WEP232_KEYLEN ){
memcpy(pDevice->abyPRNG, (u8 *)&(dwRevIVCounter), 3);
memcpy(pDevice->abyPRNG+3, pTransmitKey->abyKey, pTransmitKey->uKeyLength);
} else {
memcpy(pbyBuf, (u8 *)&(dwRevIVCounter), 3);
memcpy(pbyBuf+3, pTransmitKey->abyKey, pTransmitKey->uKeyLength);
if(pTransmitKey->uKeyLength == WLAN_WEP40_KEYLEN) {
memcpy(pbyBuf+8, (u8 *)&(dwRevIVCounter), 3);
memcpy(pbyBuf+11, pTransmitKey->abyKey, pTransmitKey->uKeyLength);
}
memcpy(pDevice->abyPRNG, pbyBuf, 16);
}
// Append IV after Mac Header
*pdwIV &= WEP_IV_MASK;//00000000 11111111 11111111 11111111
*pdwIV |= (u32)pDevice->byKeyIndex << 30;
*pdwIV = cpu_to_le32(*pdwIV);
pDevice->dwIVCounter++;
if (pDevice->dwIVCounter > WEP_IV_MASK) {
pDevice->dwIVCounter = 0;
}
} else if (pTransmitKey->byCipherSuite == KEY_CTL_TKIP) {
pTransmitKey->wTSC15_0++;
if (pTransmitKey->wTSC15_0 == 0) {
pTransmitKey->dwTSC47_16++;
}
TKIPvMixKey(pTransmitKey->abyKey, pDevice->abyCurrentNetAddr,
pTransmitKey->wTSC15_0, pTransmitKey->dwTSC47_16, pDevice->abyPRNG);
memcpy(pbyBuf, pDevice->abyPRNG, 16);
// Make IV
memcpy(pdwIV, pDevice->abyPRNG, 3);
*(pbyIVHead+3) = (u8)(((pDevice->byKeyIndex << 6) & 0xc0) | 0x20); // 0x20 is ExtIV
// Append IV&ExtIV after Mac Header
*pdwExtIV = cpu_to_le32(pTransmitKey->dwTSC47_16);
DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"vFillTxKey()---- pdwExtIV: %x\n",
*pdwExtIV);
} else if (pTransmitKey->byCipherSuite == KEY_CTL_CCMP) {
pTransmitKey->wTSC15_0++;
if (pTransmitKey->wTSC15_0 == 0) {
pTransmitKey->dwTSC47_16++;
}
memcpy(pbyBuf, pTransmitKey->abyKey, 16);
// Make IV
*pdwIV = 0;
*(pbyIVHead+3) = (u8)(((pDevice->byKeyIndex << 6) & 0xc0) | 0x20); // 0x20 is ExtIV
*pdwIV |= cpu_to_le16((u16)(pTransmitKey->wTSC15_0));
//Append IV&ExtIV after Mac Header
*pdwExtIV = cpu_to_le32(pTransmitKey->dwTSC47_16);
if (!mic_hdr)
/* Fill TXKEY */
if (pTransmitKey == NULL)
return;
/* MICHDR0 */
mic_hdr->id = 0x59;
mic_hdr->payload_len = cpu_to_be16(wPayloadLen);
memcpy(mic_hdr->mic_addr2, pMACHeader->addr2, ETH_ALEN);
dwRevIVCounter = cpu_to_le32(pDevice->dwIVCounter);
*pdwIV = pDevice->dwIVCounter;
pDevice->byKeyIndex = pTransmitKey->dwKeyIndex & 0xf;
mic_hdr->tsc_47_16 = cpu_to_be32(pTransmitKey->dwTSC47_16);
mic_hdr->tsc_15_0 = cpu_to_be16(pTransmitKey->wTSC15_0);
/* MICHDR1 */
if (pDevice->bLongHeader)
mic_hdr->hlen = cpu_to_be16(28);
else
mic_hdr->hlen = cpu_to_be16(22);
if (pTransmitKey->byCipherSuite == KEY_CTL_WEP) {
if (pTransmitKey->uKeyLength == WLAN_WEP232_KEYLEN) {
memcpy(pDevice->abyPRNG, (u8 *)&dwRevIVCounter, 3);
memcpy(pDevice->abyPRNG + 3, pTransmitKey->abyKey,
pTransmitKey->uKeyLength);
} else {
memcpy(pbyBuf, (u8 *)&dwRevIVCounter, 3);
memcpy(pbyBuf + 3, pTransmitKey->abyKey,
pTransmitKey->uKeyLength);
if (pTransmitKey->uKeyLength == WLAN_WEP40_KEYLEN) {
memcpy(pbyBuf+8, (u8 *)&dwRevIVCounter, 3);
memcpy(pbyBuf+11, pTransmitKey->abyKey,
pTransmitKey->uKeyLength);
}
memcpy(pDevice->abyPRNG, pbyBuf, 16);
}
/* Append IV after Mac Header */
*pdwIV &= WEP_IV_MASK;
*pdwIV |= (u32)pDevice->byKeyIndex << 30;
*pdwIV = cpu_to_le32(*pdwIV);
pDevice->dwIVCounter++;
if (pDevice->dwIVCounter > WEP_IV_MASK)
pDevice->dwIVCounter = 0;
} else if (pTransmitKey->byCipherSuite == KEY_CTL_TKIP) {
pTransmitKey->wTSC15_0++;
if (pTransmitKey->wTSC15_0 == 0)
pTransmitKey->dwTSC47_16++;
TKIPvMixKey(pTransmitKey->abyKey, pDevice->abyCurrentNetAddr,
pTransmitKey->wTSC15_0, pTransmitKey->dwTSC47_16,
pDevice->abyPRNG);
memcpy(pbyBuf, pDevice->abyPRNG, 16);
/* Make IV */
memcpy(pdwIV, pDevice->abyPRNG, 3);
*(pbyIVHead+3) = (u8)(((pDevice->byKeyIndex << 6) &
0xc0) | 0x20);
/* Append IV&ExtIV after Mac Header */
*pdwExtIV = cpu_to_le32(pTransmitKey->dwTSC47_16);
DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO
"vFillTxKey()---- pdwExtIV: %x\n", *pdwExtIV);
} else if (pTransmitKey->byCipherSuite == KEY_CTL_CCMP) {
pTransmitKey->wTSC15_0++;
if (pTransmitKey->wTSC15_0 == 0)
pTransmitKey->dwTSC47_16++;
memcpy(pbyBuf, pTransmitKey->abyKey, 16);
/* Make IV */
*pdwIV = 0;
*(pbyIVHead+3) = (u8)(((pDevice->byKeyIndex << 6) &
0xc0) | 0x20);
*pdwIV |= cpu_to_le16((u16)(pTransmitKey->wTSC15_0));
/* Append IV&ExtIV after Mac Header */
*pdwExtIV = cpu_to_le32(pTransmitKey->dwTSC47_16);
if (!mic_hdr)
return;
/* MICHDR0 */
mic_hdr->id = 0x59;
mic_hdr->payload_len = cpu_to_be16(wPayloadLen);
memcpy(mic_hdr->mic_addr2, pMACHeader->addr2, ETH_ALEN);
mic_hdr->tsc_47_16 = cpu_to_be32(pTransmitKey->dwTSC47_16);
mic_hdr->tsc_15_0 = cpu_to_be16(pTransmitKey->wTSC15_0);
/* MICHDR1 */
if (pDevice->bLongHeader)
mic_hdr->hlen = cpu_to_be16(28);
else
mic_hdr->hlen = cpu_to_be16(22);
memcpy(mic_hdr->addr1, pMACHeader->addr1, ETH_ALEN);
memcpy(mic_hdr->addr2, pMACHeader->addr2, ETH_ALEN);
memcpy(mic_hdr->addr1, pMACHeader->addr1, ETH_ALEN);
memcpy(mic_hdr->addr2, pMACHeader->addr2, ETH_ALEN);
/* MICHDR2 */
memcpy(mic_hdr->addr3, pMACHeader->addr3, ETH_ALEN);
mic_hdr->frame_control = cpu_to_le16(pMACHeader->frame_control
/* MICHDR2 */
memcpy(mic_hdr->addr3, pMACHeader->addr3, ETH_ALEN);
mic_hdr->frame_control = cpu_to_le16(pMACHeader->frame_control
& 0xc78f);
mic_hdr->seq_ctrl = cpu_to_le16(pMACHeader->seq_ctrl & 0xf);
mic_hdr->seq_ctrl = cpu_to_le16(pMACHeader->seq_ctrl & 0xf);
if (pDevice->bLongHeader)
memcpy(mic_hdr->addr4, pMACHeader->addr4, ETH_ALEN);
}
if (pDevice->bLongHeader)
memcpy(mic_hdr->addr4, pMACHeader->addr4, ETH_ALEN);
}
}
static void s_vSWencryption(struct vnt_private *pDevice,
......
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