105 lines
2.2 KiB
C
105 lines
2.2 KiB
C
#ifndef LINUX_26_22_COMPAT_H
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#define LINUX_26_22_COMPAT_H
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#include <linux/version.h>
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/* Compat work for 2.6.21 */
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#if (LINUX_VERSION_CODE < KERNEL_VERSION(2,6,22))
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#include <linux/pci.h>
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#include <linux/skbuff.h>
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/* reuse ax25_ptr */
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#define ieee80211_ptr ax25_ptr
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#ifdef CONFIG_AX25
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#error Compat reuses the AX.25 pointer so that may not be enabled!
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#endif
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static inline unsigned char *skb_mac_header(const struct sk_buff *skb)
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{
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return skb->mac.raw;
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}
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static inline void skb_set_mac_header(struct sk_buff *skb, int offset)
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{
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skb->mac.raw = skb->data + offset;
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}
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static inline void skb_reset_mac_header(struct sk_buff *skb)
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{
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skb->mac.raw = skb->data;
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}
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static inline void skb_reset_network_header(struct sk_buff *skb)
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{
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skb->nh.raw = skb->data;
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}
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static inline void skb_set_network_header(struct sk_buff *skb, int offset)
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{
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skb->nh.raw = skb->data + offset;
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}
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static inline void skb_set_transport_header(struct sk_buff *skb, int offset)
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{
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skb->h.raw = skb->data + offset;
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}
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static inline unsigned char *skb_transport_header(struct sk_buff *skb)
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{
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return skb->h.raw;
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}
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static inline unsigned char *skb_network_header(const struct sk_buff *skb)
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{
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return skb->nh.raw;
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}
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static inline unsigned char *skb_tail_pointer(const struct sk_buff *skb)
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{
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return skb->tail;
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}
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static inline struct iphdr *ip_hdr(const struct sk_buff *skb)
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{
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return (struct iphdr *)skb_network_header(skb);
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}
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static inline void skb_copy_from_linear_data(const struct sk_buff *skb,
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void *to,
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const unsigned int len)
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{
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memcpy(to, skb->data, len);
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}
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static inline void skb_copy_from_linear_data_offset(const struct sk_buff *skb,
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const int offset, void *to,
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const unsigned int len)
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{
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memcpy(to, skb->data + offset, len);
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}
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#define __maybe_unused __attribute__((unused))
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#define uninitialized_var(x) x = x
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/* This will lead to very weird behaviour... */
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#define NLA_BINARY NLA_STRING
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static inline int pci_set_mwi(struct pci_dev *dev)
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{
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return -ENOSYS;
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}
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static inline void pci_clear_mwi(struct pci_dev *dev)
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{
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}
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#define list_first_entry(ptr, type, member) \
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list_entry((ptr)->next, type, member)
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#endif /* (LINUX_VERSION_CODE < KERNEL_VERSION(2,6,22)) */
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#endif /* LINUX_26_22_COMPAT_H */
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