Messages in this thread | | | Date | Fri, 26 Nov 1999 13:41:28 +0000 (GMT) | From | Tom Kelly <> | Subject | Concurrency in TCP stack. |
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Hi!
I've been hacking my way around the 2.2.13 TCP stack and I'm a bit confused about how the concurrency issues with the shared data (tcp_opt) in the socket struct are dealt with. For example, what ensures that the congestion window decisions are atomic?
Anyone got any pointers for documentation or a quick overview?
Whats the recommended way to get the ip_tos byte set per packet in the IP layer from the TCP layer? At present I'm fiddling with sk->ip_tos which feels nasty. What can I expect from the routing code (which has tos options) when I do this? (These questions are relevent for an ECN TCP implementation, RFC 2481).
Thanks, Tom
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