John R Pierce wrote: > On 12/6/2013 11:28 AM, m.roth at 5-cent.us wrote: >>> I don't know whether i am asking on a correct list or not i have a >>> query that how to know that what system call are called when packet enters >>> the system or when we send a packet from a system? >> Hi, there. Sounds like you want to do a tcpdump, or some such, on eth0 >> (or hatever). > > um, no, that wouldn't answer his question. > > when a packet is recieved by a NIC, it generates a hardware interrupt, <snip> Right, we mostly all know that. But from his original query, I wasn't sure what he wanted... for that matter, I'm still not sure. mark