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igb: stub support for SIOCSHWTSTAMP 

Signed-off-by: John Ronciak <john.ronciak@intel.com>
Signed-off-by: Patrick Ohly <patrick.ohly@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Patrick Ohly 2009-02-12 05:03:42 +00:00 committed by David S. Miller
parent 38c845c764
commit c6cb090ba7
1 changed files with 31 additions and 0 deletions
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31
drivers/net/igb/igb_main.c
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@ -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;
}