netdev - [PATCH V3 04/11] ll_temac: enable transmit and receive time stamping.

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Date:	Mon, 20 Jun 2011 09:51:26 +0200
From:	Richard Cochran <richardcochran@...il.com>
To:	<netdev@...r.kernel.org>
Cc:	David Miller <davem@...emloft.net>,
	Eric Dumazet <eric.dumazet@...il.com>,
	Grant Likely <grant.likely@...retlab.ca>
Subject: [PATCH V3 04/11] ll_temac: enable transmit and receive time stamping.

This patch enables software (and phy device) time stamping. Since this MAC
is based on phylib, adding the hooks makes hardware time stamping in the
phy possible.

Compile tested only.

Cc: Grant Likely <grant.likely@...retlab.ca>
Signed-off-by: Richard Cochran <richard.cochran@...cron.at>
---
 drivers/net/ll_temac_main.c |    5 ++++-
 1 files changed, 4 insertions(+), 1 deletions(-)

diff --git a/drivers/net/ll_temac_main.c b/drivers/net/ll_temac_main.c
index b7948cc..ce9a607 100644
--- a/drivers/net/ll_temac_main.c
+++ b/drivers/net/ll_temac_main.c
@@ -727,6 +727,8 @@ static int temac_start_xmit(struct sk_buff *skb, struct net_device *ndev)
 	if (lp->tx_bd_tail >= TX_BD_NUM)
 		lp->tx_bd_tail = 0;
 
+	skb_tx_timestamp(skb);
+
 	/* Kick off the transfer */
 	lp->dma_out(lp, TX_TAILDESC_PTR, tail_p); /* DMA start */
 
@@ -772,7 +774,8 @@ static void ll_temac_recv(struct net_device *ndev)
 			skb->ip_summed = CHECKSUM_COMPLETE;
 		}
 
-		netif_rx(skb);
+		if (!skb_defer_rx_timestamp(skb))
+			netif_rx(skb);
 
 		ndev->stats.rx_packets++;
 		ndev->stats.rx_bytes += length;
-- 
1.7.0.4

--
To unsubscribe from this list: send the line "unsubscribe netdev" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html