hi,
El Fri, 16 Feb 2007 17:56:33 +0530
Kanhu Rauta <krauta@xxxxxxxxx> ha escrit:
> Hi list,
>
> I am using Linux 2.6.9-42.7.EL kernel, And registering a function in
> netfilter like
>
> nf_register_hook( &test ); and test is defined like....
>
> static struct nf_hook_ops test
> = { { NULL, NULL }, print_packet, PF_INET, NF_IP_LOCAL_IN,
> NF_IP_PRI_FILTER };
i don't know if what you do in 2.6 is correct but i'm using this
nf_hook_declaration succefully in 2.6 kernels:
static struct nf_hook_ops netfilter_ops;
netfilter_ops.hook = function;
netfilter_ops.owner = THIS_MODULE;
netfilter_ops.pf = PF_INET;
netfilter_ops.hooknum = NF_IP_PRE_ROUTING;
netfilter_ops.priority = NF_IP_PRI_FIRST;
nf_register_hook(&netfilter_ops);
hope this helps,
topi
>
> print_packet is defined like....
> static unsigned int print_packet (unsigned int hook, struct sk_buff
> **pskb, const struct net_device *indev, const struct net_device
> *outdev,
> int (*okfn)(struct sk_buff *) ) {
>
> }
>
> PROBLEM: the registration of the function is successful.....
> but I am not getting the local packets(destination ip is my ip) in
> this hook function (print_packet).
>
> But I am able to see the packets meant for me in tcpdump and also in
> my application running in userspace.
>
> This module works successfully in 2.4 kernel....
>
>
> Can any one please help me to resolve the problem ?
>
> With Regards,
> kanhu
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