2.6.12-rc4-tcp3

2.6.12-rc4-tcp3

[Stephen Hemminger]

http://developer.osdl.org/shemminger/patches/2.6.12-rc4-tcp3

This is the third revision of the TCP pluggable congestion framework with
other network changes (targeted for 2.6.13)

Minor tweaks from last time:
	- startup changed because westwood and hybla 
	  need to do setup after initial connection establishment
	- initialization happens when socket is created (fixes bug with
	  auto module load and preempt).
	- module refcounting fix for passive opens
	- cleanup westwood and get rid of too much inlining
	- latest version of TSO patch included in set
	- fix min_cwnd undershoot bug for all but legacy reno

# Changes involving network core to remove throttling
fastroute-stats-remove
no-congestion
no-throttle
bigger-backlog
fix-weightp
# TSO fixes from dave
tcp_ack26
tcp_super_tso_v3
# TCP infrastructure
tcp_infra
tcp_bic
tcp_westwood
hstcp
hybla
vegas
h-tcp
# Makefile version
version

Re: 2.6.12-rc4-tcp3

[Maciej Soltysiak]

Hi

It is a pity it does not apply to -rc5:
Gives this reject:

***************
*** 4355,4370 ****
                                        goto no_ack;
                        }

-                       if (eaten) {
-                               if (tcp_in_quickack_mode(tp)) {
-                                       tcp_send_ack(sk);
-                               } else {
-                                       tcp_send_delayed_ack(sk);
-                               }
-                       } else {
-                               __tcp_ack_snd_check(sk, 0);
-                       }
-
  no_ack:
                        if (eaten)
                                __kfree_skb(skb);
--- 3719,3725 ----
                                        goto no_ack;
                        }

+                       __tcp_ack_snd_check(sk, 0);
  no_ack:
                        if (eaten)
                                __kfree_skb(skb);

Regards,
Maciej

2.6.12-rc5-tcp3

[Stephen Hemminger]

http://developer.osdl.org/shemminger/patches/2.6.12-rc5-tcp3

Keep up with the new 2.6.12-rc5
More minor tweaks:
	- tcp_ack26 is already in rc5
	+ change to min_cwnd to be same (ie ssthresh/2) for all reno like protocols
	  eventually plan to fix the cwnd undershoot bug 
		http://thread.gmane.org/gmane.linux.network/2094 
		http://oss.sgi.com/projects/netdev/archive/2005-04/msg00338.html