staging: vt6655: rxtx.c create function to return __le16 wTimeStampOff

wTimeStampOff always needs to be endian corrected.

Create vnt_time_stamp_off to return this value.
Signed-off-by: Malcolm Priestley <tvboxspy@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/vt6655/rxtx.c

@@ -337,6 +337,12 @@ s_vSWencryption(
 	}
 }
 
+static __le16 vnt_time_stamp_off(struct vnt_private *priv, u16 rate)
+{
+	return cpu_to_le16(wTimeStampOff[priv->byPreambleType % 2]
+							[rate % MAX_RATE]);
+}
+
 /*byPktType : PK_TYPE_11A     0
   PK_TYPE_11B     1
   PK_TYPE_11GB    2
@@ -706,8 +712,8 @@ s_uFillDataHead(
 											   bNeedAck, uFragIdx, cbLastFragmentSize,
 											   uMACfragNum, byFBOption)); //1: 2.4
 
-			pBuf->wTimeStampOff_a = cpu_to_le16(wTimeStampOff[pDevice->byPreambleType%2][wCurrentRate%MAX_RATE]);
-			pBuf->wTimeStampOff_b = cpu_to_le16(wTimeStampOff[pDevice->byPreambleType%2][pDevice->byTopCCKBasicRate%MAX_RATE]);
+			pBuf->wTimeStampOff_a = vnt_time_stamp_off(pDevice, wCurrentRate);
+			pBuf->wTimeStampOff_b = vnt_time_stamp_off(pDevice, pDevice->byTopCCKBasicRate);
 
 			return pBuf->wDuration_a;
 		} else {
@@ -730,8 +736,8 @@ s_uFillDataHead(
 			pBuf->wDuration_a_f1 = cpu_to_le16((unsigned short)s_uGetDataDuration(pDevice, DATADUR_A_F1, cbFrameLength, byPktType,
 											      wCurrentRate, bNeedAck, uFragIdx, cbLastFragmentSize, uMACfragNum, byFBOption)); //1: 2.4GHz
 
-			pBuf->wTimeStampOff_a = cpu_to_le16(wTimeStampOff[pDevice->byPreambleType%2][wCurrentRate%MAX_RATE]);
-			pBuf->wTimeStampOff_b = cpu_to_le16(wTimeStampOff[pDevice->byPreambleType%2][pDevice->byTopCCKBasicRate%MAX_RATE]);
+			pBuf->wTimeStampOff_a = vnt_time_stamp_off(pDevice, wCurrentRate);
+			pBuf->wTimeStampOff_b = vnt_time_stamp_off(pDevice, pDevice->byTopCCKBasicRate);
 
 			return pBuf->wDuration_a;
 		} //if (byFBOption == AUTO_FB_NONE)
@@ -751,7 +757,7 @@ s_uFillDataHead(
 											    wCurrentRate, bNeedAck, uFragIdx, cbLastFragmentSize, uMACfragNum, byFBOption)); //0: 5GHz
 			pBuf->wDuration_f1 = cpu_to_le16((unsigned short)s_uGetDataDuration(pDevice, DATADUR_A_F1, cbFrameLength, byPktType,
 											    wCurrentRate, bNeedAck, uFragIdx, cbLastFragmentSize, uMACfragNum, byFBOption)); //0: 5GHz
-			pBuf->wTimeStampOff = cpu_to_le16(wTimeStampOff[pDevice->byPreambleType%2][wCurrentRate%MAX_RATE]);
+			pBuf->wTimeStampOff = vnt_time_stamp_off(pDevice, wCurrentRate);
 			return pBuf->wDuration;
 		} else {
 			PSTxDataHead_ab pBuf = (PSTxDataHead_ab)pTxDataHead;
@@ -765,7 +771,7 @@ s_uFillDataHead(
 											 cbLastFragmentSize, uMACfragNum,
 											 byFBOption));
 
-			pBuf->wTimeStampOff = cpu_to_le16(wTimeStampOff[pDevice->byPreambleType%2][wCurrentRate%MAX_RATE]);
+			pBuf->wTimeStampOff = vnt_time_stamp_off(pDevice, wCurrentRate);
 			return pBuf->wDuration;
 		}
 	} else {
@@ -778,7 +784,7 @@ s_uFillDataHead(
 										 wCurrentRate, bNeedAck, uFragIdx,
 										 cbLastFragmentSize, uMACfragNum,
 										 byFBOption));
-		pBuf->wTimeStampOff = cpu_to_le16(wTimeStampOff[pDevice->byPreambleType%2][wCurrentRate%MAX_RATE]);
+		pBuf->wTimeStampOff = vnt_time_stamp_off(pDevice, wCurrentRate);
 		return pBuf->wDuration;
 	}
 	return 0;
@@ -2370,7 +2376,7 @@ CMD_STATUS csBeacon_xmit(struct vnt_private *pDevice, PSTxMgmtPacket pPacket)
 			  wCurrentRate, byPktType, &short_head->ab);
 
 	/* Get TimeStampOff */
-	short_head->time_stamp_off = cpu_to_le16(wTimeStampOff[pDevice->byPreambleType%2][wCurrentRate%MAX_RATE]);
+	short_head->time_stamp_off = vnt_time_stamp_off(pDevice, wCurrentRate);
 	cbHeaderSize = sizeof(struct vnt_tx_short_buf_head);
 
 	//Generate Beacon Header