From mboxrd@z Thu Jan 1 00:00:00 1970 From: Amir Vadai Subject: [PATCH net-next V3 4/5] net/mlx4_en: Support software timestamping Date: Tue, 23 Apr 2013 19:06:50 +0300 Message-ID: <1366733211-10228-5-git-send-email-amirv@mellanox.com> References: <1366733211-10228-1-git-send-email-amirv@mellanox.com> Cc: netdev@vger.kernel.org, Richard Cochran , Or Gerlitz , Eugenia Emantayev , Amir Vadai To: "David S. Miller" Return-path: Received: from eu1sys200aog119.obsmtp.com ([207.126.144.147]:60518 "EHLO eu1sys200aog119.obsmtp.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932168Ab3DWQHA (ORCPT ); Tue, 23 Apr 2013 12:07:00 -0400 In-Reply-To: <1366733211-10228-1-git-send-email-amirv@mellanox.com> Sender: netdev-owner@vger.kernel.org List-ID: Kernel software timestamping requires that the driver calls skb_tx_timestamp just before passing the skb to the HW MAC layer. This patch adds this call. Signed-off-by: Amir Vadai --- drivers/net/ethernet/mellanox/mlx4/en_tx.c | 2 ++ 1 files changed, 2 insertions(+), 0 deletions(-) diff --git a/drivers/net/ethernet/mellanox/mlx4/en_tx.c b/drivers/net/ethernet/mellanox/mlx4/en_tx.c index b0a2d2b..4e6877a 100644 --- a/drivers/net/ethernet/mellanox/mlx4/en_tx.c +++ b/drivers/net/ethernet/mellanox/mlx4/en_tx.c @@ -752,6 +752,8 @@ netdev_tx_t mlx4_en_xmit(struct sk_buff *skb, struct net_device *dev) if (bounce) tx_desc = mlx4_en_bounce_to_desc(priv, ring, index, desc_size); + skb_tx_timestamp(skb); + if (ring->bf_enabled && desc_size <= MAX_BF && !bounce && !vlan_tx_tag_present(skb)) { *(__be32 *) (&tx_desc->ctrl.vlan_tag) |= cpu_to_be32(ring->doorbell_qpn); op_own |= htonl((bf_index & 0xffff) << 8); -- 1.7.8.2