diff options
| author | Mattias Nissler <mattias.nissler@gmx.de> | 2007-12-19 01:25:57 +0100 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2008-01-28 14:59:18 -0800 |
| commit | ad01837593338f13508463fa11c8dbf8109a1e5d (patch) | |
| tree | 77b521a6b8e7f8357505449fe812a9d41d40afb2 /net/mac80211/ieee80211.c | |
| parent | 1abbe498e4b5e4f2000dfc30a0fa25be9553530e (diff) | |
mac80211: add PID controller based rate control algorithm
Add a new rate control algorithm based on a PID controller. It samples the
percentage of failed frames over time, feeds the result into the controller and
uses its output to control the TX rate.
Signed-off-by: Mattias Nissler <mattias.nissler@gmx.de>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/mac80211/ieee80211.c')
| -rw-r--r-- | net/mac80211/ieee80211.c | 27 |
1 files changed, 22 insertions, 5 deletions
diff --git a/net/mac80211/ieee80211.c b/net/mac80211/ieee80211.c index 5bf7a5bebfc..3d7b4341914 100644 --- a/net/mac80211/ieee80211.c +++ b/net/mac80211/ieee80211.c @@ -1315,23 +1315,37 @@ static int __init ieee80211_init(void) #ifdef CONFIG_MAC80211_RCSIMPLE ret = ieee80211_rate_control_register(&mac80211_rcsimple); if (ret) - return ret; + goto fail; +#endif + +#ifdef CONFIG_MAC80211_RCPID + ret = ieee80211_rate_control_register(&mac80211_rcpid); + if (ret) + goto fail; #endif ret = ieee80211_wme_register(); if (ret) { -#ifdef CONFIG_MAC80211_RCSIMPLE - ieee80211_rate_control_unregister(&mac80211_rcsimple); -#endif printk(KERN_DEBUG "ieee80211_init: failed to " "initialize WME (err=%d)\n", ret); - return ret; + goto fail; } ieee80211_debugfs_netdev_init(); ieee80211_regdomain_init(); return 0; + +fail: + +#ifdef CONFIG_MAC80211_RCSIMPLE + ieee80211_rate_control_unregister(&mac80211_rcsimple); +#endif +#ifdef CONFIG_MAC80211_RCPID + ieee80211_rate_control_unregister(&mac80211_rcpid); +#endif + + return ret; } static void __exit ieee80211_exit(void) @@ -1339,6 +1353,9 @@ static void __exit ieee80211_exit(void) #ifdef CONFIG_MAC80211_RCSIMPLE ieee80211_rate_control_unregister(&mac80211_rcsimple); #endif +#ifdef CONFIG_MAC80211_RCPID + ieee80211_rate_control_unregister(&mac80211_rcpid); +#endif ieee80211_wme_unregister(); ieee80211_debugfs_netdev_exit(); |