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Commit fb7516d4 authored by Govindarajulu Varadarajan's avatar Govindarajulu Varadarajan Committed by David S. Miller
Browse files

enic: add sw timestamp support 



Add ethtool ops to advertise sw timestamping.
Call skb_tx_timestamp() just before ringing the wq doorbell.

Signed-off-by: default avatarGovindarajulu Varadarajan <gvaradar@cisco.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent b8278f2c

drivers/net/ethernet/cisco/enic/enic_ethtool.c

+12 −0
Original line number Diff line number Diff line
@@ -18,6 +18,7 @@ 


#include <linux/netdevice.h>

#include <linux/ethtool.h>

#include <linux/net_tstamp.h>



#include "enic_res.h"

#include "enic.h"
@@ -578,6 +579,16 @@ static int enic_set_rxfh(struct net_device *netdev, const u32 *indir, 
	return __enic_set_rsskey(enic);

}



static int enic_get_ts_info(struct net_device *netdev,

			    struct ethtool_ts_info *info)

{

	info->so_timestamping = SOF_TIMESTAMPING_TX_SOFTWARE |

				SOF_TIMESTAMPING_RX_SOFTWARE |

				SOF_TIMESTAMPING_SOFTWARE;



	return 0;

}



static const struct ethtool_ops enic_ethtool_ops = {

	.get_drvinfo = enic_get_drvinfo,

	.get_msglevel = enic_get_msglevel,
@@ -597,6 +608,7 @@ static const struct ethtool_ops enic_ethtool_ops = { 
	.get_rxfh = enic_get_rxfh,

	.set_rxfh = enic_set_rxfh,

	.get_link_ksettings = enic_get_ksettings,

	.get_ts_info = enic_get_ts_info,

};



void enic_set_ethtool_ops(struct net_device *netdev)

drivers/net/ethernet/cisco/enic/enic_main.c

+1 −0
Original line number Diff line number Diff line
@@ -856,6 +856,7 @@ static netdev_tx_t enic_hard_start_xmit(struct sk_buff *skb, 


	if (vnic_wq_desc_avail(wq) < MAX_SKB_FRAGS + ENIC_DESC_MAX_SPLITS)

		netif_tx_stop_queue(txq);

	skb_tx_timestamp(skb);

	if (!skb->xmit_more || netif_xmit_stopped(txq))

		vnic_wq_doorbell(wq);