A Linux netfilter module to aid in (d)dos protection
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/*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License; either
* version 2 of the License, or any later version, as published by the
* Free Software Foundation.
*/
#ifndef COMPAT_SKBUFF_H
#define COMPAT_SKBUFF_H 1
struct tcphdr;
struct udphdr;
#define skb_ifindex(skb) (skb)->skb_iif
#define skb_nfmark(skb) (((struct sk_buff *)(skb))->mark)
#ifdef CONFIG_NETWORK_SECMARK
# define skb_secmark(skb) ((skb)->secmark)
#else
# define skb_secmark(skb) 0
#endif
#if LINUX_VERSION_CODE < KERNEL_VERSION(3, 19, 0)
static inline int skb_put_padto(struct sk_buff *skb, unsigned int len)
{
unsigned int size = skb->len;
if (unlikely(size < len)) {
len -= size;
if (skb_pad(skb, len)) return -ENOMEM;
__skb_put(skb, len);
}
return 0;
}
#endif
#endif /* COMPAT_SKBUFF_H */