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806e39cfdf
This turned out to be less trouble than I expected. This builds successfully against 2.6.18 through 2.6.28. Justin has lightly tested it on a 2.6.27 kernel provided by Citrix.
47 lines
1.2 KiB
C
47 lines
1.2 KiB
C
#ifndef __LINUX_NETDEVICE_WRAPPER_H
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#define __LINUX_NETDEVICE_WRAPPER_H 1
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#include_next <linux/netdevice.h>
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struct net;
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/* Before 2.6.21, struct net_device has a "struct class_device" member named
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* class_dev. Beginning with 2.6.21, struct net_device instead has a "struct
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* device" member named dev. Otherwise the usage of these members is pretty
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* much the same. */
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#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,21)
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#define NETDEV_DEV_MEMBER class_dev
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#else
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#define NETDEV_DEV_MEMBER dev
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#endif
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#ifndef to_net_dev
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#define to_net_dev(class) \
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container_of(class, struct net_device, NETDEV_DEV_MEMBER)
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#endif
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#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,26)
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static inline
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struct net *dev_net(const struct net_device *dev)
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{
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return NULL;
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}
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#endif /* linux kernel < 2.6.26 */
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#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,24)
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#define proc_net init_net.proc_net
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#endif
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#ifndef for_each_netdev
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/* Linux before 2.6.22 didn't have for_each_netdev at all. */
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#define for_each_netdev(net, d) for (d = dev_base; d; d = d->next)
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#elif LINUX_VERSION_CODE < KERNEL_VERSION(2,6,24)
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/* Linux 2.6.24 added a network namespace pointer to the macro. */
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#undef for_each_netdev
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#define for_each_netdev(net,d) list_for_each_entry(d, &dev_base_head, dev_list)
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#endif
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#endif
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