Messages in this thread |  | | Date | Wed, 3 Oct 2001 07:11:44 -0700 (PDT) | From | Kirill Ratkin <> | Subject | Netfilter problem |
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Hi.
I've a strange error when I try to check protocol type in netfilter hook function.
I see this message: kping.c: In function `knet_hook': kping.c:116: dereferencing pointer to incomplete type make: *** [kping.o] Error 1
This is part of my code: static unsigned int knet_hook(unsigned int hooknum, struct sk_buff** p_skb, const struct net_device* p_in, const struct net_device* p_out, int (*okfn)(struct sk_buff* )) { ... if((*p_skb)->nh.iph->protocol== (unsigned char)IPPROTO_ICMP) { printk("<1>ICMP Packet killed\n"); return NF_DROP; } ... }
It had compiled on 2.4.1 version.
I don't understand why ... .
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