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authorRichard Cochran <richardcochran@gmail.com>2011-06-20 01:51:27 +0400
committerDavid S. Miller <davem@davemloft.net>2011-06-21 00:56:54 +0400
commitd6cf07327e691e8f7c0f08af69d0dd3887aa1e4f (patch)
treed1bc19e1a19925d71bb967d00b057e1eea1d1b65
parent93e0ed158c15b3d3d76125de6364f8f95528c25a (diff)
downloadlinux-d6cf07327e691e8f7c0f08af69d0dd3887aa1e4f.tar.xz
fec_mpc52xx: enable transmit and receive time stamping.
This patch enables software (and phy device) time stamping. Software time stamping using the SO_TIMESTAMPING API was tested and found to be working on the LITE5200B board. Cc: Grant Likely <grant.likely@secretlab.ca> Signed-off-by: Richard Cochran <richard.cochran@omicron.at> Signed-off-by: David S. Miller <davem@davemloft.net>
-rw-r--r--drivers/net/fec_mpc52xx.c4
1 files changed, 3 insertions, 1 deletions
diff --git a/drivers/net/fec_mpc52xx.c b/drivers/net/fec_mpc52xx.c
index eba0f696a51f..cecc3b1eb486 100644
--- a/drivers/net/fec_mpc52xx.c
+++ b/drivers/net/fec_mpc52xx.c
@@ -336,6 +336,7 @@ static int mpc52xx_fec_start_xmit(struct sk_buff *skb, struct net_device *dev)
bd->skb_pa = dma_map_single(dev->dev.parent, skb->data, skb->len,
DMA_TO_DEVICE);
+ skb_tx_timestamp(skb);
bcom_submit_next_buffer(priv->tx_dmatsk, skb);
spin_unlock_irqrestore(&priv->lock, flags);
@@ -435,7 +436,8 @@ static irqreturn_t mpc52xx_fec_rx_interrupt(int irq, void *dev_id)
length = status & BCOM_FEC_RX_BD_LEN_MASK;
skb_put(rskb, length - 4); /* length without CRC32 */
rskb->protocol = eth_type_trans(rskb, dev);
- netif_rx(rskb);
+ if (!skb_defer_rx_timestamp(skb))
+ netif_rx(rskb);
spin_lock(&priv->lock);
}