Re: understandable skbuff behavioural problem

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Hello,

    I think it is not very hard to display them, in order to get ipheader
checksum pleause try:
        __u16 ipcheck = skb->nh.iph->check;
        printk("%x\n", ipcheck);

    and tcpheader is skb->h.th->check.

    Have a good holiday.


----- Original Message ----- 
From: "linux lover" <linux_lover2004@xxxxxxxxx>
To: <linux-net@xxxxxxxxxxxxxxx>
Sent: Saturday, April 23, 2005 12:43 PM
Subject: understandable skbuff behavioural problem


> Hello,
>        I am learning the skbuff workings in kenrel for
> that I added a fake header in TCP/IP with Fake header
> containing 2 fields of type int ipchksum and tcpchksum
> taken frpm upper layer and only copied to new header.
> I directly push it after IP header is added and thus
> sending packets to destination pc. At destination side
> i am able to receive application data(payload) indeed
> correctly in FTP transfer but how to display those 2
> fields in kernel using printk?
>       I am really stuck at this point please help me.
> Thanks in advance.
> regards,
> linux_lover
>
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