Have a look at following skb APIs skb_push skb_pull skb_put etc Regards Mohanlal ----- Original Message ----- From: "bunty chaudhari" <bunty123_4@rediffmail.com> To: "kernelnewbies" <kernelnewbies@nl.linux.org> Sent: Sunday, April 11, 2004 8:36 PM Subject: changeing sk_buff->data how can i change sk_buff->data field by attaching 8 bytes at the end of each packet.It is part of my kernel project. I want where i have to change to acheive this. Parag. -- Kernelnewbies: Help each other learn about the Linux kernel. Archive: http://mail.nl.linux.org/kernelnewbies/ FAQ: http://kernelnewbies.org/faq/