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authorPatrick Ohly <patrick.ohly@intel.com>2009-02-12 05:03:42 +0000
committerDavid S. Miller <davem@davemloft.net>2009-02-15 23:13:25 -0800
commitc6cb090ba7cd88aec03718dab76e4dad56862cae (patch)
tree23ded2c4f4b344cea50e9e53ab1f9840fdcc56c5 /drivers
parent38c845c7648ee354fd1d2fb8a7fbc352f2d3dcc3 (diff)
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>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/net/igb/igb_main.c31
1 files changed, 31 insertions, 0 deletions
diff --git a/drivers/net/igb/igb_main.c b/drivers/net/igb/igb_main.c
index 8b2ba424509..90090bb2604 100644
--- a/drivers/net/igb/igb_main.c
+++ b/drivers/net/igb/igb_main.c
@@ -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>
@@ -4182,6 +4183,34 @@ static int igb_mii_ioctl(struct net_device *netdev, struct ifreq *ifr, int cmd)
}
/**
+ * 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:
* @ifreq:
@@ -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;
}