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fec_mpc52xx: enable transmit and receive time stamping.

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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>
This commit is contained in:
Richard Cochran 2011-06-19 21:51:27 +00:00 committed by David S. Miller
parent 93e0ed158c
commit d6cf07327e
1 changed files with 3 additions and 1 deletions
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4
drivers/net/fec_mpc52xx.c
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@ -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);
}