TCP issues

2005-04-13 Thread warrier
Can somebody tell me what skb_checksum does? How is it different from computing a TCP checksum and why is it necessary? What does it return? In tcp_input.c I see the following lines if (tcp_checksum_complete_user(sk,, skb)) goto csum_error; tcp_checksum_complete goes through a series of fu

TCP issues

2005-04-12 Thread warrier
Hello I'm having some problems with TCP/IP connections on a linux kernel version 2.4.25. I'm communicating between two power pc based cards and using tcpdump I've worked out the scenario that takes place. One of the cards has a Motorola (Freescale) 5200 as the CPU and the other has an MC8