staging: vt6656: rxtx.c s_vFillTxKey clean up format and white space.
authorMalcolm Priestley <tvboxspy@gmail.com>
Tue, 27 Aug 2013 11:29:10 +0000 (12:29 +0100)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Tue, 27 Aug 2013 23:55:34 +0000 (16:55 -0700)
Signed-off-by: Malcolm Priestley <tvboxspy@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
drivers/staging/vt6656/rxtx.c

index 273bd5d4ff29466eec2c0c7ee50d28ac5aabe4fb..54aa5763410433b54f433884ffb12d9fa773e132 100644 (file)
@@ -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,