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authorMatthew Wilcox <matthew@wil.cx>2007-08-01 01:00:02 +0400
committerDavid S. Miller <davem@davemloft.net>2007-08-01 01:00:02 +0400
commit61a44b9c4b20d40c41fd1b70a4ceb13b75ea79a4 (patch)
tree26c97ff8b3b5e3827ba927bf5738baa092146d85 /net/bridge/br_if.c
parentf1543f8b8316f49b318ac6cd8c78a7fd18509311 (diff)
downloadlinux-61a44b9c4b20d40c41fd1b70a4ceb13b75ea79a4.tar.xz
[NET]: ethtool ops are the only way
During the transition to the ethtool_ops way of doing things, we supported calling the device's ->do_ioctl method to allow unconverted drivers to continue working. Those days are long behind us, all in-tree drivers use the ethtool_ops way, and so we no longer need to support this. The bonding driver is the biggest beneficiary of this; it no longer needs to call ioctl() as a fallback if ethtool_ops aren't supported. Also put a proper copyright statement on ethtool.c. Signed-off-by: Matthew Wilcox <matthew@wil.cx> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/bridge/br_if.c')
-rw-r--r--net/bridge/br_if.c41
1 files changed, 15 insertions, 26 deletions
diff --git a/net/bridge/br_if.c b/net/bridge/br_if.c
index 7b4ce9113be2..b40dada002bf 100644
--- a/net/bridge/br_if.c
+++ b/net/bridge/br_if.c
@@ -29,35 +29,24 @@
* Determine initial path cost based on speed.
* using recommendations from 802.1d standard
*
- * Need to simulate user ioctl because not all device's that support
- * ethtool, use ethtool_ops. Also, since driver might sleep need to
- * not be holding any locks.
+ * Since driver might sleep need to not be holding any locks.
*/
static int port_cost(struct net_device *dev)
{
- struct ethtool_cmd ecmd = { ETHTOOL_GSET };
- struct ifreq ifr;
- mm_segment_t old_fs;
- int err;
-
- strncpy(ifr.ifr_name, dev->name, IFNAMSIZ);
- ifr.ifr_data = (void __user *) &ecmd;
-
- old_fs = get_fs();
- set_fs(KERNEL_DS);
- err = dev_ethtool(&ifr);
- set_fs(old_fs);
-
- if (!err) {
- switch(ecmd.speed) {
- case SPEED_100:
- return 19;
- case SPEED_1000:
- return 4;
- case SPEED_10000:
- return 2;
- case SPEED_10:
- return 100;
+ if (dev->ethtool_ops->get_settings) {
+ struct ethtool_cmd ecmd = { ETHTOOL_GSET };
+ int err = dev->ethtool_ops->get_settings(dev, &ecmd);
+ if (!err) {
+ switch(ecmd.speed) {
+ case SPEED_100:
+ return 19;
+ case SPEED_1000:
+ return 4;
+ case SPEED_10000:
+ return 2;
+ case SPEED_10:
+ return 100;
+ }
}
}