[PATCH V2 05/11] fec_mpc52xx: enable transmit and receive time stamping.
From: Richard Cochran <richardcochran@gmail.com>
Date: 2011-06-19 17:57:15
Subsystem:
networking drivers, the rest · Maintainers:
Andrew Lunn, "David S. Miller", Eric Dumazet, Jakub Kicinski, Paolo Abeni, Linus Torvalds
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 <redacted> Signed-off-by: Richard Cochran <redacted> --- drivers/net/fec_mpc52xx.c | 4 +++- 1 files changed, 3 insertions(+), 1 deletions(-)
diff --git a/drivers/net/fec_mpc52xx.c b/drivers/net/fec_mpc52xx.c
index 9f81b1a..a4dd6a4 100644
--- a/drivers/net/fec_mpc52xx.c
+++ b/drivers/net/fec_mpc52xx.c@@ -335,6 +335,7 @@ 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);
@@ -434,7 +435,8 @@ 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); }
--
1.7.0.4