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Kinetis enet: fix minor logic errors

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This commit is contained in:
Andrew Webster 2016-01-21 18:36:27 -06:00 committed by Gregory Nutt
parent 8dc63d6016
commit d09eec1066
1 changed files with 5 additions and 5 deletions
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10
arch/arm/src/kinetis/kinetis_enet.c
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@ -312,7 +312,7 @@ static bool kinetics_txringfull(FAR struct kinetis_driver_s *priv)
*/
txnext = priv->txhead + 1;
if (txnext > CONFIG_ENET_NTXBUFFERS)
if (txnext >= CONFIG_ENET_NTXBUFFERS)
{
txnext = 0;
}
@ -353,7 +353,7 @@ static int kinetis_transmit(FAR struct kinetis_driver_s *priv)
txdesc = &priv->txdesc[priv->txhead];
priv->txhead++;
if (priv->txhead > CONFIG_ENET_NTXBUFFERS)
if (priv->txhead >= CONFIG_ENET_NTXBUFFERS)
{
priv->txhead = 0;
}
@ -490,7 +490,7 @@ static void kinetis_receive(FAR struct kinetis_driver_s *priv)
{
/* Loop while there are received packets to be processed */
while ((priv->rxdesc[priv->rxtail].status1 & RXDESC_E) != 0)
while ((priv->rxdesc[priv->rxtail].status1 & RXDESC_E) == 0)
{
/* Update statistics */
@ -660,7 +660,7 @@ static void kinetis_txdone(FAR struct kinetis_driver_s *priv)
/* Yes.. bump up the tail pointer, making space for a new TX descriptor */
priv->txtail++;
if (priv->txtail > CONFIG_ENET_NTXBUFFERS)
if (priv->txtail >= CONFIG_ENET_NTXBUFFERS)
{
priv->txtail = 0;
}
@ -795,8 +795,8 @@ static void kinetis_txtimeout(int argc, uint32_t arg, ...)
* hardware reset.
*/
(void)kinetis_ifup(&priv->dev);
(void)kinetis_ifdown(&priv->dev);
(void)kinetis_ifup(&priv->dev);
/* Then poll uIP for new XMIT data */