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path: root/drivers/net/ethernet/freescale/gianfar.c
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Diffstat (limited to 'drivers/net/ethernet/freescale/gianfar.c')
-rw-r--r--drivers/net/ethernet/freescale/gianfar.c34
1 files changed, 18 insertions, 16 deletions
diff --git a/drivers/net/ethernet/freescale/gianfar.c b/drivers/net/ethernet/freescale/gianfar.c
index b35bf3de44e0..c839e7628181 100644
--- a/drivers/net/ethernet/freescale/gianfar.c
+++ b/drivers/net/ethernet/freescale/gianfar.c
@@ -2756,14 +2756,14 @@ static void gfar_alloc_rx_buffs(struct gfar_priv_rx_q *rx_queue,
rx_queue->next_to_use = i;
}
-static inline void count_errors(unsigned short status, struct net_device *dev)
+static void count_errors(u32 lstatus, struct net_device *dev)
{
struct gfar_private *priv = netdev_priv(dev);
struct net_device_stats *stats = &dev->stats;
struct gfar_extra_stats *estats = &priv->extra_stats;
/* If the packet was truncated, none of the other errors matter */
- if (status & RXBD_TRUNCATED) {
+ if (lstatus & BD_LFLAG(RXBD_TRUNCATED)) {
stats->rx_length_errors++;
atomic64_inc(&estats->rx_trunc);
@@ -2771,25 +2771,25 @@ static inline void count_errors(unsigned short status, struct net_device *dev)
return;
}
/* Count the errors, if there were any */
- if (status & (RXBD_LARGE | RXBD_SHORT)) {
+ if (lstatus & BD_LFLAG(RXBD_LARGE | RXBD_SHORT)) {
stats->rx_length_errors++;
- if (status & RXBD_LARGE)
+ if (lstatus & BD_LFLAG(RXBD_LARGE))
atomic64_inc(&estats->rx_large);
else
atomic64_inc(&estats->rx_short);
}
- if (status & RXBD_NONOCTET) {
+ if (lstatus & BD_LFLAG(RXBD_NONOCTET)) {
stats->rx_frame_errors++;
atomic64_inc(&estats->rx_nonoctet);
}
- if (status & RXBD_CRCERR) {
+ if (lstatus & BD_LFLAG(RXBD_CRCERR)) {
atomic64_inc(&estats->rx_crcerr);
stats->rx_crc_errors++;
}
- if (status & RXBD_OVERRUN) {
+ if (lstatus & BD_LFLAG(RXBD_OVERRUN)) {
atomic64_inc(&estats->rx_overrun);
- stats->rx_crc_errors++;
+ stats->rx_over_errors++;
}
}
@@ -2921,6 +2921,7 @@ int gfar_clean_rx_ring(struct gfar_priv_rx_q *rx_queue, int rx_work_limit)
i = rx_queue->next_to_clean;
while (rx_work_limit--) {
+ u32 lstatus;
if (cleaned_cnt >= GFAR_RX_BUFF_ALLOC) {
gfar_alloc_rx_buffs(rx_queue, cleaned_cnt);
@@ -2928,7 +2929,8 @@ int gfar_clean_rx_ring(struct gfar_priv_rx_q *rx_queue, int rx_work_limit)
}
bdp = &rx_queue->rx_bd_base[i];
- if (be16_to_cpu(bdp->status) & RXBD_EMPTY)
+ lstatus = be32_to_cpu(bdp->lstatus);
+ if (lstatus & BD_LFLAG(RXBD_EMPTY))
break;
/* order rx buffer descriptor reads */
@@ -2940,13 +2942,13 @@ int gfar_clean_rx_ring(struct gfar_priv_rx_q *rx_queue, int rx_work_limit)
dma_unmap_single(priv->dev, be32_to_cpu(bdp->bufPtr),
priv->rx_buffer_size, DMA_FROM_DEVICE);
- if (unlikely(!(be16_to_cpu(bdp->status) & RXBD_ERR) &&
- be16_to_cpu(bdp->length) > priv->rx_buffer_size))
- bdp->status = cpu_to_be16(RXBD_LARGE);
+ if (unlikely(!(lstatus & BD_LFLAG(RXBD_ERR)) &&
+ (lstatus & BD_LENGTH_MASK) > priv->rx_buffer_size))
+ lstatus |= BD_LFLAG(RXBD_LARGE);
- if (unlikely(!(be16_to_cpu(bdp->status) & RXBD_LAST) ||
- be16_to_cpu(bdp->status) & RXBD_ERR)) {
- count_errors(be16_to_cpu(bdp->status), dev);
+ if (unlikely(!(lstatus & BD_LFLAG(RXBD_LAST)) ||
+ (lstatus & BD_LFLAG(RXBD_ERR)))) {
+ count_errors(lstatus, dev);
/* discard faulty buffer */
dev_kfree_skb(skb);
@@ -2957,7 +2959,7 @@ int gfar_clean_rx_ring(struct gfar_priv_rx_q *rx_queue, int rx_work_limit)
howmany++;
if (likely(skb)) {
- int pkt_len = be16_to_cpu(bdp->length) -
+ int pkt_len = (lstatus & BD_LENGTH_MASK) -
ETH_FCS_LEN;
/* Remove the FCS from the packet length */
skb_put(skb, pkt_len);