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https://github.com/openvswitch/ovs
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8063e09587
Currently OVS out of tree datapath supports a large number of kernel versions. From 2.6.32 to 4.3 and various distribution-specific kernels. But at this point major features are only available on more recent kernels. For example, stateful services are only available starting in kernel 3.10 and STT is available on starting with 3.5. Since these features are becoming essential to many OVS deployments, and the effort of maintaining the backports is high. We have decided to drop support for older kernel. Following patch drops supports for kernel older than 3.10. Signed-off-by: Pravin B Shelar <pshelar@ovn.org> Acked-by: Jesse Gross <jesse@kernel.org>
57 lines
1.2 KiB
C
57 lines
1.2 KiB
C
#include <linux/if_bridge.h>
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#include <linux/netdevice.h>
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#include <linux/version.h>
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#include <net/rtnetlink.h>
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#ifndef HAVE_DEV_DISABLE_LRO
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#ifdef NETIF_F_LRO
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#include <linux/ethtool.h>
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/**
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* dev_disable_lro - disable Large Receive Offload on a device
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* @dev: device
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*
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* Disable Large Receive Offload (LRO) on a net device. Must be
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* called under RTNL. This is needed if received packets may be
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* forwarded to another interface.
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*/
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void dev_disable_lro(struct net_device *dev)
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{
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if (dev->ethtool_ops && dev->ethtool_ops->get_flags &&
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dev->ethtool_ops->set_flags) {
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u32 flags = dev->ethtool_ops->get_flags(dev);
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if (flags & ETH_FLAG_LRO) {
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flags &= ~ETH_FLAG_LRO;
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dev->ethtool_ops->set_flags(dev, flags);
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}
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}
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WARN_ON(dev->features & NETIF_F_LRO);
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}
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#else
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void dev_disable_lro(struct net_device *dev) { }
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#endif /* NETIF_F_LRO */
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#endif /* HAVE_DEV_DISABLE_LRO */
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int rpl_rtnl_delete_link(struct net_device *dev)
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{
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const struct rtnl_link_ops *ops;
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ops = dev->rtnl_link_ops;
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if (!ops || !ops->dellink)
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return -EOPNOTSUPP;
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#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,34)
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ops->dellink(dev);
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#else
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{
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LIST_HEAD(list_kill);
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ops->dellink(dev, &list_kill);
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unregister_netdevice_many(&list_kill);
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}
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#endif
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return 0;
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}
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