staging: vt6655: rxtx.c create function to return __le16 wTimeStampOff
authorMalcolm Priestley <tvboxspy@gmail.com>
Sat, 30 Aug 2014 21:25:33 +0000 (22:25 +0100)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Sat, 30 Aug 2014 22:19:16 +0000 (15:19 -0700)
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

index afdf3ab2869ef7eb702cce9cbc14c2cab3065187..9617701b509f2a00e4bd0823a194f94e91dae4d7 100644 (file)
@@ -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