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Commit eb0cabbd authored by Amir Vadai's avatar Amir Vadai Committed by David S. Miller
Browse files

net/mlx4_en: Support software timestamping 



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: default avatarAmir Vadai <amirv@mellanox.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent ec693d47

drivers/net/ethernet/mellanox/mlx4/en_tx.c

+2 −0
Original line number Diff line number Diff line
@@ -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);