hello, i want to know what is size of skbuff structure and how to write a program to calculate it? i want to know only size of skbuff that includes header parts only not data part that makes its size length 1514 bytes regrads, linux_lover2004 __________________________________________________ Do You Yahoo!? Tired of spam? Yahoo! Mail has the best spam protection around http://mail.yahoo.com -- Kernelnewbies: Help each other learn about the Linux kernel. Archive: http://mail.nl.linux.org/kernelnewbies/ FAQ: http://kernelnewbies.org/faq/