Commit c6cb090b authored by Patrick Ohly's avatar Patrick Ohly Committed by David S. Miller
Browse files

igb: stub support for SIOCSHWTSTAMP 



Signed-off-by: default avatarJohn Ronciak <john.ronciak@intel.com>
Signed-off-by: default avatarPatrick Ohly <patrick.ohly@intel.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 38c845c7

drivers/net/igb/igb_main.c

+31 −0
Original line number Diff line number Diff line
@@ -34,6 +34,7 @@ 
#include <linux/ipv6.h>

#include <net/checksum.h>

#include <net/ip6_checksum.h>

#include <linux/net_tstamp.h>

#include <linux/mii.h>

#include <linux/ethtool.h>

#include <linux/if_vlan.h>
@@ -4181,6 +4182,34 @@ static int igb_mii_ioctl(struct net_device *netdev, struct ifreq *ifr, int cmd) 
	return 0;

}



/**

 * igb_hwtstamp_ioctl - control hardware time stamping

 * @netdev:

 * @ifreq:

 * @cmd:

 *

 * Currently cannot enable any kind of hardware time stamping, but

 * supports SIOCSHWTSTAMP in general.

 **/

static int igb_hwtstamp_ioctl(struct net_device *netdev,

			      struct ifreq *ifr, int cmd)

{

	struct hwtstamp_config config;



	if (copy_from_user(&config, ifr->ifr_data, sizeof(config)))

		return -EFAULT;



	/* reserved for future extensions */

	if (config.flags)

		return -EINVAL;



	if (config.tx_type == HWTSTAMP_TX_OFF &&

		config.rx_filter == HWTSTAMP_FILTER_NONE)

		return 0;



	return -ERANGE;

}



/**

 * igb_ioctl -

 * @netdev:
@@ -4194,6 +4223,8 @@ static int igb_ioctl(struct net_device *netdev, struct ifreq *ifr, int cmd) 
	case SIOCGMIIREG:

	case SIOCSMIIREG:

		return igb_mii_ioctl(netdev, ifr, cmd);

	case SIOCSHWTSTAMP:

		return igb_hwtstamp_ioctl(netdev, ifr, cmd);

	default:

		return -EOPNOTSUPP;

	}