Hi Thanks for your support, Yeah, my modules hook on NF_IP_POST_ROUTING and NF_IP_PRE_ROUTING. my computer hang, my meaning is my computer completely stop working :(. Nhanle On Mon, 2005-12-12 at 03:53, Parag N wrote: > Hi, > Can you tell in which hook you are copying data? You can only do > this at NF_IP_PRE_ROUTING or NF_IP_POST_ROUTING. you said your > computer hang that mean you got oops message right? > regards, > Parag. > > On 10 Dec 2005 15:55:09 -0500, Nhan Thanh Le <ltnhan@xxxxxxxxxx> > wrote: > Hi All, > > My kernel module get data socket buffer from Netfilter, When > I try to > copy data from socket buffer filed skb->mac.raw or > skb->mac.ethernet to > my ethernet data then my computer will be hang on. Would you > please show > me how to fix this? Or please help me to how fill my ethernet > header > when I get data from socket buffer. Thank you very much and > appreciate > for help. > > Both function bellow is not work properly. > > inline static int build_ethernet(const struct sk_buff *skb, > struct > ethhdr vs_hdr) > { > struct ethhdr *eth_header; > eth_header=(struct ethhdr *)skb->mac.raw; > if (eth_header == NULL) > return -1; > memcpy(&vs_hdr,skb->mac.raw,sizeof(struct ethhdr)); > > return 0; > } > > inline static int build_ethernet(const struct sk_buff > *skb, struct > ethhdr vs_hdr) > { > struct ethhdr *eth_header; > eth_header=skb->mac.ethernet; > if (eth_header == NULL) > return -1; > memcpy(&vs_hdr,skb->mac.ethernet,sizeof(struct ethhdr)); > > return 0; > } > > Nhanle > > > -- > Kernelnewbies: Help each other learn about the Linux kernel. > Archive: http://mail.nl.linux.org/kernelnewbies/ > FAQ: http://kernelnewbies.org/faq/ > > -- Kernelnewbies: Help each other learn about the Linux kernel. Archive: http://mail.nl.linux.org/kernelnewbies/ FAQ: http://kernelnewbies.org/faq/