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staging: vt6656: vnt_update_ifs vendor changes to uSIFS/uDIFS

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The latest vendor code makes changes to uSIFS and uDIFS.

The orginal codes have been rearranged into a fall through switch
statement.

These reduce the time that device allows to TX packets and
improves throughput.

Signed-off-by: Malcolm Priestley <tvboxspy@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Malcolm Priestley 2014-07-06 23:19:48 +01:00 committed by Greg Kroah-Hartman
parent 4473c8cccd
commit 9fe109c153
1 changed files with 30 additions and 0 deletions
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30
drivers/staging/vt6656/card.c
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@ -408,6 +408,36 @@ void vnt_update_ifs(struct vnt_private *priv)
priv->uCwMax = C_CWMAX;
priv->uEIFS = C_EIFS;
switch (priv->byRFType) {
case RF_VT3226D0:
if (priv->byBBType != BB_TYPE_11B) {
priv->uSIFS -= 1;
priv->uDIFS -= 1;
break;
}
case RF_AIROHA7230:
case RF_AL2230:
case RF_AL2230S:
if (priv->byBBType != BB_TYPE_11B)
break;
case RF_RFMD2959:
case RF_VT3226:
case RF_VT3342A0:
priv->uSIFS -= 3;
priv->uDIFS -= 3;
break;
case RF_MAXIM2829:
if (priv->byBBType == BB_TYPE_11A) {
priv->uSIFS -= 5;
priv->uDIFS -= 5;
} else {
priv->uSIFS -= 2;
priv->uDIFS -= 2;
}
break;
}
data[0] = (u8)priv->uSIFS;
data[1] = (u8)priv->uDIFS;
data[2] = (u8)priv->uEIFS;