diff options
| author |   Michał Mirosław <mirq-linux@rere.qmqm.pl> | 2011-03-18 16:56:34 +0000 |
|---|---|---|
| committer |   David S. Miller <davem@davemloft.net> | 2011-03-22 01:00:26 -0700 |
| commit | 27660515a21bf913e3208ded3f27abd0529fae0e (patch) | |
| tree | e07baa50f459b227eff6aa0dfbb6041f501bfb90 | |
| parent | IPVS: Use global mutex in ip_vs_app.c (diff) | |
| download | linux-dev-27660515a21bf913e3208ded3f27abd0529fae0e.tar.xz linux-dev-27660515a21bf913e3208ded3f27abd0529fae0e.zip | |
net: implement dev_disable_lro() hw_features compatibility
Implement compatibility with new hw_features for dev_disable_lro().
This is a transition path - dev_disable_lro() should be later
integrated into netdev_fix_features() after all drivers are converted.
Signed-off-by: Michał Mirosław <mirq-linux@rere.qmqm.pl>
Signed-off-by: David S. Miller <davem@davemloft.net>
| -rw-r--r-- | include/linux/ethtool.h | 3 | ||||
| -rw-r--r-- | net/core/dev.c | 19 | ||||
| -rw-r--r-- | net/core/ethtool.c | 2 |
3 files changed, 15 insertions, 9 deletions
diff --git a/include/linux/ethtool.h b/include/linux/ethtool.h index b297f288f6eb..ae757bcf1280 100644 --- a/include/linux/ethtool.h +++ b/include/linux/ethtool.h @@ -648,6 +648,9 @@ enum ethtool_sfeatures_retval_bits { #include <linux/rculist.h> +/* needed by dev_disable_lro() */ +extern int __ethtool_set_flags(struct net_device *dev, u32 flags); + struct ethtool_rx_ntuple_flow_spec_container { struct ethtool_rx_ntuple_flow_spec fs; struct list_head list; diff --git a/net/core/dev.c b/net/core/dev.c index 0b88eba97dab..f453370131a0 100644 --- a/net/core/dev.c +++ b/net/core/dev.c @@ -1353,14 +1353,17 @@ EXPORT_SYMBOL(dev_close); */ void dev_disable_lro(struct net_device *dev) { - if (dev->ethtool_ops && dev->ethtool_ops->get_flags && - dev->ethtool_ops->set_flags) { - u32 flags = dev->ethtool_ops->get_flags(dev); - if (flags & ETH_FLAG_LRO) { - flags &= ~ETH_FLAG_LRO; - dev->ethtool_ops->set_flags(dev, flags); - } - } + u32 flags; + + if (dev->ethtool_ops && dev->ethtool_ops->get_flags) + flags = dev->ethtool_ops->get_flags(dev); + else + flags = ethtool_op_get_flags(dev); + + if (!(flags & ETH_FLAG_LRO)) + return; + + __ethtool_set_flags(dev, flags & ~ETH_FLAG_LRO); WARN_ON(dev->features & NETIF_F_LRO); } EXPORT_SYMBOL(dev_disable_lro); diff --git a/net/core/ethtool.c b/net/core/ethtool.c index a1086fb0c0c7..24bd57493c0d 100644 --- a/net/core/ethtool.c +++ b/net/core/ethtool.c @@ -513,7 +513,7 @@ static int ethtool_set_one_feature(struct net_device *dev, } } -static int __ethtool_set_flags(struct net_device *dev, u32 data) +int __ethtool_set_flags(struct net_device *dev, u32 data) { u32 changed; |