linux-toradex.git/net/ipv4/tcp_cong.c, branch v2.6.23.3 Linux kernel for Apalis and Colibri modules [TCP]: remove unused argument to cong_avoid op 2007-07-18T08:46:58+00:00 Stephen Hemminger shemminger@linux-foundation.org 2007-07-17T01:35:52+00:00 16751347a060a10c09b11593bb179fd5b0240c04 None of the existing TCP congestion controls use the rtt value pased in the ca_ops->cong_avoid interface. Which is lucky because seq_rtt could have been -1 when handling a duplicate ack. Signed-off-by: Stephen Hemminger <shemminger@linux-foundation.org> Signed-off-by: David S. Miller <davem@davemloft.net> 
None of the existing TCP congestion controls use the rtt value pased
in the ca_ops->cong_avoid interface.  Which is lucky because seq_rtt
could have been -1 when handling a duplicate ack.

Signed-off-by: Stephen Hemminger <shemminger@linux-foundation.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
[TCP] slow start: Make comments and code logic clearer. 2007-05-17T21:20:31+00:00 Stephen Hemminger shemminger@linux-foundation.org 2007-05-17T07:04:18+00:00 a02ba041664171563e6418ccdf3b363d32d6a43b Add more comments to describe our version of tcp_slow_start(). Signed-off-by: Stephen Hemminger <shemminger@linux-foundation.org> Signed-off-by: David S. Miller <davem@davemloft.net> 
Add more comments to describe our version of tcp_slow_start().

Signed-off-by: Stephen Hemminger <shemminger@linux-foundation.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
[TCP]: Congestion control API update. 2007-04-26T05:29:45+00:00 Stephen Hemminger shemminger@linux-foundation.org 2007-04-24T05:26:16+00:00 164891aadf1721fca4dce473bb0e0998181537c6 Do some simple changes to make congestion control API faster/cleaner. * use ktime_t rather than timeval * merge rtt sampling into existing ack callback this means one indirect call versus two per ack. * use flags bits to store options/settings Signed-off-by: Stephen Hemminger <shemminger@linux-foundation.org> Signed-off-by: David S. Miller <davem@davemloft.net> 
Do some simple changes to make congestion control API faster/cleaner.
* use ktime_t rather than timeval
* merge rtt sampling into existing ack callback
  this means one indirect call versus two per ack.
* use flags bits to store options/settings

Signed-off-by: Stephen Hemminger <shemminger@linux-foundation.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
[TCP]: Add RFC3742 Limited Slow-Start, controlled by variable sysctl_tcp_max_ssthresh. 2007-04-26T05:23:19+00:00 John Heffner jheffner@psc.edu 2007-03-26T02:21:45+00:00 886236c1247ab5e2ad9c73f6e9a652e3ae3c8b07 Signed-off-by: John Heffner <jheffner@psc.edu> Signed-off-by: David S. Miller <davem@davemloft.net> 
Signed-off-by: John Heffner <jheffner@psc.edu>
Signed-off-by: David S. Miller <davem@davemloft.net>
[TCP]: Congestion control initialization. 2007-04-24T05:32:11+00:00 Stephen Hemminger shemminger@linux-foundation.org 2007-04-24T05:32:11+00:00 4d4d3d1e8807d6aa9822eeedf7fe8500e1b7e38d Change to defer congestion control initialization. If setsockopt() was used to change TCP_CONGESTION before connection is established, then protocols that use sequence numbers to keep track of one RTT interval (vegas, illinois, ...) get confused. Change the init hook to be called after handshake. Signed-off-by: Stephen Hemminger <shemminger@linux-foundation.org> Signed-off-by: David S. Miller <davem@davemloft.net> 
Change to defer congestion control initialization.

If setsockopt() was used to change TCP_CONGESTION before
connection is established, then protocols that use sequence numbers
to keep track of one RTT interval (vegas, illinois, ...) get confused.

Change the init hook to be called after handshake.

Signed-off-by: Stephen Hemminger <shemminger@linux-foundation.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
Various typo fixes. 2007-02-17T18:07:33+00:00 Robert P. J. Day rpjday@mindspring.com 2007-02-17T18:07:33+00:00 d08df601a30df9e36c29f3214315f4f0c8784c68 Correct mis-spellings of "algorithm", "appear", "consistent" and (shame, shame) "kernel". Signed-off-by: Robert P. J. Day <rpjday@mindspring.com> Signed-off-by: Adrian Bunk <bunk@stusta.de> 
Correct mis-spellings of "algorithm", "appear", "consistent" and
(shame, shame) "kernel".

Signed-off-by: Robert P. J. Day <rpjday@mindspring.com>
Signed-off-by: Adrian Bunk <bunk@stusta.de>
[NET] IPV4: Fix whitespace errors. 2007-02-11T07:19:39+00:00 YOSHIFUJI Hideaki yoshfuji@linux-ipv6.org 2007-02-09T14:24:47+00:00 e905a9edab7f4f14f9213b52234e4a346c690911 Signed-off-by: YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org> Signed-off-by: David S. Miller <davem@davemloft.net> 
Signed-off-by: YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
[TCP]: Allow autoloading of congestion control via setsockopt. 2006-12-03T05:21:50+00:00 Stephen Hemminger shemminger@osdl.org 2006-11-10T00:36:36+00:00 35bfbc94070e480f350c868abc4ff9f77e7f2051 If user has permision to load modules, then autoload then attempt autoload of TCP congestion module. Signed-off-by: Stephen Hemminger <shemminger@osdl.org> Signed-off-by: David S. Miller <davem@davemloft.net> 
If user has permision to load modules, then autoload then attempt
autoload of TCP congestion module.

Signed-off-by: Stephen Hemminger <shemminger@osdl.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
[TCP]: Restrict congestion control choices. 2006-12-03T05:21:49+00:00 Stephen Hemminger shemminger@osdl.org 2006-11-10T00:35:15+00:00 ce7bc3bf15cbf5dc5a5587ccb6b04c5b4dde4336 Allow normal users to only choose among a restricted set of congestion control choices. The default is reno and what ever has been configured as default. But the policy can be changed by administrator at any time. For example, to allow any choice: cp /proc/sys/net/ipv4/tcp_available_congestion_control \ /proc/sys/net/ipv4/tcp_allowed_congestion_control Signed-off-by: Stephen Hemminger <shemminger@osdl.org> Signed-off-by: David S. Miller <davem@davemloft.net> 
Allow normal users to only choose among a restricted set of congestion
control choices.  The default is reno and what ever has been configured
as default. But the policy can be changed by administrator at any time.

For example, to allow any choice:
    cp /proc/sys/net/ipv4/tcp_available_congestion_control \
       /proc/sys/net/ipv4/tcp_allowed_congestion_control

Signed-off-by: Stephen Hemminger <shemminger@osdl.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
[TCP]: Add tcp_available_congestion_control sysctl. 2006-12-03T05:21:48+00:00 Stephen Hemminger shemminger@osdl.org 2006-11-10T00:32:06+00:00 3ff825b28d3345ef381eceae22bf9d92231f23dc Create /proc/sys/net/ipv4/tcp_available_congestion_control that reflects currently available TCP choices. Signed-off-by: Stephen Hemminger <shemminger@osdl.org> Signed-off-by: David S. Miller <davem@davemloft.net> 
Create /proc/sys/net/ipv4/tcp_available_congestion_control
that reflects currently available TCP choices.

Signed-off-by: Stephen Hemminger <shemminger@osdl.org>
Signed-off-by: David S. Miller <davem@davemloft.net>