1 #ifndef __LINUX_NETDEVICE_WRAPPER_H
2 #define __LINUX_NETDEVICE_WRAPPER_H 1
4 #include_next <linux/netdevice.h>
8 #include <linux/version.h>
9 /* Before 2.6.21, struct net_device has a "struct class_device" member named
10 * class_dev. Beginning with 2.6.21, struct net_device instead has a "struct
11 * device" member named dev. Otherwise the usage of these members is pretty
13 #if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,21)
14 #define NETDEV_DEV_MEMBER class_dev
16 #define NETDEV_DEV_MEMBER dev
20 #define to_net_dev(class) container_of(class, struct net_device, NETDEV_DEV_MEMBER)
23 #if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,26)
25 struct net *dev_net(const struct net_device *dev)
29 #elif LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,25)
37 void dev_net_set(struct net_device *dev, const struct net *net)
43 #endif /* linux kernel < 2.6.26 */
45 #if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,24)
46 #define NETIF_F_NETNS_LOCAL 0
49 #if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,24)
50 #define proc_net init_net.proc_net
53 #if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,32)
54 typedef int netdev_tx_t;
57 #ifndef for_each_netdev
58 /* Linux before 2.6.22 didn't have for_each_netdev at all. */
59 #define for_each_netdev(net, d) for (d = dev_base; d; d = d->next)
60 #elif LINUX_VERSION_CODE < KERNEL_VERSION(2,6,24)
61 /* Linux 2.6.24 added a network namespace pointer to the macro. */
62 #undef for_each_netdev
63 #define for_each_netdev(net, d) list_for_each_entry(d, &dev_base_head, dev_list)
66 #if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,20)
67 #define net_xmit_eval(e) ((e) == NET_XMIT_CN ? 0 : (e))
70 #if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,33)
71 extern void unregister_netdevice_queue(struct net_device *dev,
72 struct list_head *head);
73 extern void unregister_netdevice_many(struct list_head *head);
76 #ifndef HAVE_DEV_DISABLE_LRO
77 extern void dev_disable_lro(struct net_device *dev);
80 #define skb_checksum_help rpl_skb_checksum_help
81 #if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,19)
82 extern int skb_checksum_help(struct sk_buff *skb, int);
84 extern int skb_checksum_help(struct sk_buff *skb);
87 #if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,36)
88 static inline int netdev_rx_handler_register(struct net_device *dev,
90 void *rx_handler_data)
94 rcu_assign_pointer(dev->br_port, rx_handler_data);
97 static inline void netdev_rx_handler_unregister(struct net_device *dev)
99 rcu_assign_pointer(dev->br_port, NULL);
103 #if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,19)
104 #undef SET_ETHTOOL_OPS
105 #define SET_ETHTOOL_OPS(netdev, ops) \
106 ((netdev)->ethtool_ops = (struct ethtool_ops *)(ops))
109 #if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,24)
110 #define dev_get_by_name(net, name) dev_get_by_name(name)
111 #define dev_get_by_index(net, ifindex) dev_get_by_index(ifindex)
112 #define __dev_get_by_name(net, name) __dev_get_by_name(name)
113 #define __dev_get_by_index(net, ifindex) __dev_get_by_index(ifindex)
114 #define dev_get_by_index_rcu(net, ifindex) dev_get_by_index_rcu(ifindex)
117 #ifndef HAVE_DEV_GET_BY_INDEX_RCU
118 static inline struct net_device *dev_get_by_index_rcu(struct net *net, int ifindex)
120 struct net_device *dev;
122 read_lock(&dev_base_lock);
123 dev = __dev_get_by_index(net, ifindex);
124 read_unlock(&dev_base_lock);
131 #define NETIF_F_FSO 0
134 #if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,30)
135 #define NETIF_F_FCOE_CRC (1 << 24) /* FCoE CRC32 */
138 #if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,23)
139 #define NETIF_F_IPV6_CSUM 16 /* Can checksum TCP/UDP over IPV6 */
141 #define NETIF_F_V4_CSUM (NETIF_F_GEN_CSUM | NETIF_F_IP_CSUM)
142 #define NETIF_F_V6_CSUM (NETIF_F_GEN_CSUM | NETIF_F_IPV6_CSUM)
145 #ifndef HAVE_SKB_GSO_SEGMENT
146 #define skb_gso_segment rpl_skb_gso_segment
147 struct sk_buff *rpl_skb_gso_segment(struct sk_buff *skb, u32 features);
150 #ifndef HAVE_NETIF_SKB_FEATURES
151 #define netif_skb_features rpl_netif_skb_features
152 u32 rpl_netif_skb_features(struct sk_buff *skb);
155 #ifndef HAVE_NETIF_NEEDS_GSO
156 #define netif_needs_gso rpl_netif_needs_gso
157 static inline int rpl_netif_needs_gso(struct sk_buff *skb, int features)
159 return skb_is_gso(skb) && (!skb_gso_ok(skb, features) ||
160 unlikely(skb->ip_summed != CHECKSUM_PARTIAL));
164 #if LINUX_VERSION_CODE < KERNEL_VERSION(3,3,0)
165 typedef u32 netdev_features_t;
168 #ifndef HAVE___SKB_GSO_SEGMENT
169 static inline struct sk_buff *__skb_gso_segment(struct sk_buff *skb,
170 netdev_features_t features,
173 return skb_gso_segment(skb, features);