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2005-06-26[TCP]: Let TCP_CONG_ADVANCED default to nAdrian Bunk
It doesn't seem to make much sense to let an "If unsure, say N." option default to y. Signed-off-by: Adrian Bunk <bunk@stusta.de> Signed-off-by: David S. Miller <davem@davemloft.net>
2005-06-26[IPV4]: Fix thinko in TCP_CONG_BIC default.David S. Miller
Since it is tristate when we offer it as a choice, we should definte it also as tristate when forcing it as the default. Otherwise kconfig warns. Signed-off-by: David S. Miller <davem@davemloft.net>
2005-06-24[TCP]: Do not present confusing congestion control options by default.David S. Miller
Create TCP_CONG_ADVANCED option, akin to IP_ADVANCED_ROUTER, which when disabled will bypass all of the congestion control Kconfig options and leave the user with a safe default. That safe default is currently BIC-TCP with new Reno as a fallback. Signed-off-by: David S. Miller <davem@davemloft.net>
2005-06-24[IPV4]: Move FIB lookup algorithm choice under IP_ADVANCED_ROUTINGDavid S. Miller
Most users need not be concerned with a complex choice of what FIB lookup algorithm to use. So give them the safe default of IP_FIB_HASH if IP_ADVANCED_ROUTING is disabled. Signed-off-by: David S. Miller <davem@davemloft.net>
2005-06-23[TCP]: Add Scalable TCP congestion control module.John Heffner
This patch implements Tom Kelly's Scalable TCP congestion control algorithm for the modular framework. The algorithm has some nice scaling properties, and has been used a fair bit in research, though is known to have significant fairness issues, so it's not really suitable for general purpose use. Signed-off-by: John Heffner <jheffner@psc.edu> Signed-off-by: David S. Miller <davem@davemloft.net>
2005-06-23[TCP]: Add H-TCP congestion control module.Baruch Even
H-TCP is a congestion control algorithm developed at the Hamilton Institute, by Douglas Leith and Robert Shorten. It is extending the standard Reno algorithm with mode switching is thus a relatively simple modification. H-TCP is defined in a layered manner as it is still a research platform. The basic form includes the modification of beta according to the ratio of maxRTT to min RTT and the alpha=2*factor*(1-beta) relation, where factor is dependant on the time since last congestion. The other layers improve convergence by adding appropriate factors to alpha. The following patch implements the H-TCP algorithm in it's basic form. Signed-Off-By: Baruch Even <baruch@ev-en.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2005-06-23[TCP]: Add TCP Vegas congestion control module.Stephen Hemminger
TCP Vegas code modified for the new TCP infrastructure. Vegas now uses microsecond resolution timestamps for better estimation of performance over higher speed links. Signed-off-by: Stephen Hemminger <shemminger@osdl.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2005-06-23[TCP]: Add TCP Hybla congestion control module.Daniele Lacamera
TCP Hybla congestion avoidance. - "In heterogeneous networks, TCP connections that incorporate a terrestrial or satellite radio link are greatly disadvantaged with respect to entirely wired connections, because of their longer round trip times (RTTs). To cope with this problem, a new TCP proposal, the TCP Hybla, is presented and discussed in the paper[1]. It stems from an analytical evaluation of the congestion window dynamics in the TCP standard versions (Tahoe, Reno, NewReno), which suggests the necessary modifications to remove the performance dependence on RTT.[...]"[1] [1]: Carlo Caini, Rosario Firrincieli, "TCP Hybla: a TCP enhancement for heterogeneous networks", International Journal of Satellite Communications and Networking Volume 22, Issue 5 , Pages 547 - 566. September 2004. Signed-off-by: Daniele Lacamera (root at danielinux.net)net Signed-off-by: Stephen Hemminger <shemminger@osdl.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2005-06-23[TCP]: Add High Speed TCP congestion control module.John Heffner
Sally Floyd's high speed TCP congestion control. This is useful for comparison and research. Signed-off-by: John Heffner <jheffner@psc.edu> Signed-off-by: Stephen Hemminger <shemminger@osdl.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2005-06-23[TCP]: Add TCP Westwood congestion control module.Stephen Hemminger
This is the existing 2.6.12 Westwood code moved from tcp_input to the new congestion framework. A lot of the inline functions have been eliminated to try and make it clearer. Signed-off-by: Stephen Hemminger <shemminger@osdl.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2005-06-23[TCP]: Add TCP BIC congestion control module.Stephen Hemminger
TCP BIC congestion control reworked to use the new congestion control infrastructure. This version is more up to date than the BIC code in 2.6.12; it incorporates enhancements from BICTCP 1.1, to handle low latency links. Signed-off-by: Stephen Hemminger <shemminger@osdl.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2005-06-22[PATCH] Fix extra double quote in IPV4 KconfigKumar Gala
Kconfig option had an extra double quote at the end of the line which was causing in warning when building. Signed-off-by: Kumar Gala <kumar.gala@freescale.com> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2005-06-21[IPV4]: Add LC-Trie FIB lookup algorithm.Robert Olsson
Signed-off-by: Robert Olsson <Robert.Olsson@data.slu.se> Signed-off-by: David S. Miller <davem@davemloft.net>
2005-04-16Linux-2.6.12-rc2Linus Torvalds
Initial git repository build. I'm not bothering with the full history, even though we have it. We can create a separate "historical" git archive of that later if we want to, and in the meantime it's about 3.2GB when imported into git - space that would just make the early git days unnecessarily complicated, when we don't have a lot of good infrastructure for it. Let it rip!