diff options
Diffstat (limited to 'net/mac80211')
| -rw-r--r-- | net/mac80211/Kconfig | 37 | ||||
| -rw-r--r-- | net/mac80211/Makefile | 41 | ||||
| -rw-r--r-- | net/mac80211/ieee80211.c | 34 | ||||
| -rw-r--r-- | net/mac80211/ieee80211_rate.c | 4 | ||||
| -rw-r--r-- | net/mac80211/ieee80211_rate.h | 38 | ||||
| -rw-r--r-- | net/mac80211/rc80211_pid_algo.c | 24 | ||||
| -rw-r--r-- | net/mac80211/rc80211_simple.c | 21 |
7 files changed, 134 insertions, 65 deletions
diff --git a/net/mac80211/Kconfig b/net/mac80211/Kconfig index cac6cf2e9ac8..09c255002e56 100644 --- a/net/mac80211/Kconfig +++ b/net/mac80211/Kconfig @@ -13,25 +13,17 @@ config MAC80211 This option enables the hardware independent IEEE 802.11 networking stack. -config MAC80211_RC_DEFAULT_CHOICE - bool "Choose default rate control algorithm" if EMBEDDED - default y - depends on MAC80211 - ---help--- - This options enables selection of a default rate control - algorithm to be built into the mac80211 module. Alternate - rate control algorithms might be built into the mac80211 - module as well. +menu "Rate control algorithm selection" + depends on MAC80211 != n choice prompt "Default rate control algorithm" default MAC80211_RC_DEFAULT_PID - depends on MAC80211 && MAC80211_RC_DEFAULT_CHOICE ---help--- This option selects the default rate control algorithm mac80211 will use. Note that this default can still be overriden through the ieee80211_default_rc_algo module - parameter. + parameter if different algorithms are available. config MAC80211_RC_DEFAULT_PID bool "PID controller based rate control algorithm" @@ -50,19 +42,27 @@ config MAC80211_RC_DEFAULT_SIMPLE dumb algorithm. You should choose the PID rate control instead. +config MAC80211_RC_DEFAULT_NONE + bool "No default algorithm" + depends on EMBEDDED + help + Selecting this option will select no default algorithm + and allow you to not build any. Do not choose this + option unless you know your driver comes with another + suitable algorithm. endchoice +comment "Selecting 'y' for an algorithm will" +comment "build the algorithm into mac80211." + config MAC80211_RC_DEFAULT string - depends on MAC80211 default "pid" if MAC80211_RC_DEFAULT_PID default "simple" if MAC80211_RC_DEFAULT_SIMPLE default "" config MAC80211_RC_PID - bool "PID controller based rate control algorithm" - default y - depends on MAC80211 + tristate "PID controller based rate control algorithm" ---help--- This option enables a TX rate control algorithm for mac80211 that uses a PID controller to select the TX @@ -72,16 +72,15 @@ config MAC80211_RC_PID different rate control algorithm. config MAC80211_RC_SIMPLE - bool "Simple rate control algorithm (DEPRECATED)" - default n - depends on MAC80211 + tristate "Simple rate control algorithm (DEPRECATED)" ---help--- This option enables a very simple, non-responsive TX rate control algorithm. This algorithm is deprecated - and will be removed from the kernel in near future. + and will be removed from the kernel in the near future. It has been replaced by the PID algorithm. Say N unless you know what you are doing. +endmenu config MAC80211_LEDS bool "Enable LED triggers" diff --git a/net/mac80211/Makefile b/net/mac80211/Makefile index 06aea8009cd4..54f46bc80cfe 100644 --- a/net/mac80211/Makefile +++ b/net/mac80211/Makefile @@ -1,19 +1,15 @@ obj-$(CONFIG_MAC80211) += mac80211.o -mac80211-objs-$(CONFIG_MAC80211_LEDS) += ieee80211_led.o -mac80211-objs-$(CONFIG_NET_SCHED) += wme.o -mac80211-objs-$(CONFIG_MAC80211_RC_SIMPLE) += rc80211_simple.o -mac80211-objs-$(CONFIG_MAC80211_RC_PID) += rc80211_pid_algo.o +# objects for PID algorithm +rc80211_pid-y := rc80211_pid_algo.o +rc80211_pid-$(CONFIG_MAC80211_DEBUGFS) += rc80211_pid_debugfs.o -mac80211-debugfs-objs-$(CONFIG_MAC80211_RC_PID) += rc80211_pid_debugfs.o -mac80211-objs-$(CONFIG_MAC80211_DEBUGFS) += \ - debugfs.o \ - debugfs_sta.o \ - debugfs_netdev.o \ - debugfs_key.o \ - $(mac80211-debugfs-objs-y) +# build helper for PID algorithm +rc-pid-y := $(rc80211_pid-y) +rc-pid-m := rc80211_pid.o -mac80211-objs := \ +# mac80211 objects +mac80211-y := \ ieee80211.o \ ieee80211_ioctl.o \ sta_info.o \ @@ -31,5 +27,22 @@ mac80211-objs := \ tx.o \ key.o \ util.o \ - event.o \ - $(mac80211-objs-y) + event.o + +mac80211-$(CONFIG_MAC80211_LEDS) += ieee80211_led.o +mac80211-$(CONFIG_NET_SCHED) += wme.o +mac80211-$(CONFIG_MAC80211_DEBUGFS) += \ + debugfs.o \ + debugfs_sta.o \ + debugfs_netdev.o \ + debugfs_key.o + + +# Build rate control algorithm(s) +CFLAGS_rc80211_simple.o += -DRC80211_SIMPLE_COMPILE +CFLAGS_rc80211_pid_algo.o += -DRC80211_PID_COMPILE +mac80211-$(CONFIG_MAC80211_RC_SIMPLE) += rc80211_simple.o +mac80211-$(CONFIG_MAC80211_RC_PID) += $(rc-pid-$(CONFIG_MAC80211_RC_PID)) + +# Modular rate algorithms are assigned to mac80211-m - make separate modules +obj-m += $(mac80211-m) diff --git a/net/mac80211/ieee80211.c b/net/mac80211/ieee80211.c index 2011c726f2b1..8ba69ae676ca 100644 --- a/net/mac80211/ieee80211.c +++ b/net/mac80211/ieee80211.c @@ -1323,23 +1323,19 @@ static int __init ieee80211_init(void) BUILD_BUG_ON(sizeof(struct ieee80211_tx_packet_data) > sizeof(skb->cb)); -#ifdef CONFIG_MAC80211_RC_SIMPLE - ret = ieee80211_rate_control_register(&mac80211_rcsimple); + ret = rc80211_simple_init(); if (ret) goto fail; -#endif -#ifdef CONFIG_MAC80211_RC_PID - ret = ieee80211_rate_control_register(&mac80211_rcpid); + ret = rc80211_pid_init(); if (ret) - goto fail; -#endif + goto fail_simple; ret = ieee80211_wme_register(); if (ret) { printk(KERN_DEBUG "ieee80211_init: failed to " "initialize WME (err=%d)\n", ret); - goto fail; + goto fail_pid; } ieee80211_debugfs_netdev_init(); @@ -1347,26 +1343,18 @@ static int __init ieee80211_init(void) return 0; -fail: - -#ifdef CONFIG_MAC80211_RC_SIMPLE - ieee80211_rate_control_unregister(&mac80211_rcsimple); -#endif -#ifdef CONFIG_MAC80211_RC_PID - ieee80211_rate_control_unregister(&mac80211_rcpid); -#endif - + fail_pid: + rc80211_simple_exit(); + fail_simple: + rc80211_pid_exit(); + fail: return ret; } static void __exit ieee80211_exit(void) { -#ifdef CONFIG_MAC80211_RC_SIMPLE - ieee80211_rate_control_unregister(&mac80211_rcsimple); -#endif -#ifdef CONFIG_MAC80211_RC_PID - ieee80211_rate_control_unregister(&mac80211_rcpid); -#endif + rc80211_simple_exit(); + rc80211_pid_exit(); ieee80211_wme_unregister(); ieee80211_debugfs_netdev_exit(); diff --git a/net/mac80211/ieee80211_rate.c b/net/mac80211/ieee80211_rate.c index 65fc9ad615e9..5676a26a7c75 100644 --- a/net/mac80211/ieee80211_rate.c +++ b/net/mac80211/ieee80211_rate.c @@ -115,6 +115,10 @@ ieee80211_rate_control_ops_get(const char *name) /* try default if specific alg requested but not found */ ops = ieee80211_try_rate_control_ops_get(ieee80211_default_rc_algo); + /* try built-in one if specific alg requested but not found */ + if (!ops && strlen(CONFIG_MAC80211_RC_DEFAULT)) + ops = ieee80211_try_rate_control_ops_get(CONFIG_MAC80211_RC_DEFAULT); + return ops; } diff --git a/net/mac80211/ieee80211_rate.h b/net/mac80211/ieee80211_rate.h index 3eb0696f3757..73f19e8aa51c 100644 --- a/net/mac80211/ieee80211_rate.h +++ b/net/mac80211/ieee80211_rate.h @@ -58,12 +58,6 @@ struct rate_control_ref { struct kref kref; }; -/* default 'simple' algorithm */ -extern struct rate_control_ops mac80211_rcsimple; - -/* 'PID' algorithm */ -extern struct rate_control_ops mac80211_rcpid; - int ieee80211_rate_control_register(struct rate_control_ops *ops); void ieee80211_rate_control_unregister(struct rate_control_ops *ops); @@ -170,4 +164,36 @@ int ieee80211_init_rate_ctrl_alg(struct ieee80211_local *local, const char *name); void rate_control_deinitialize(struct ieee80211_local *local); + +/* Rate control algorithms */ +#if defined(RC80211_SIMPLE_COMPILE) || \ + (defined(CONFIG_MAC80211_RC_SIMPLE) && \ + !defined(CONFIG_MAC80211_RC_SIMPLE_MODULE)) +extern int rc80211_simple_init(void); +extern void rc80211_simple_exit(void); +#else +static inline int rc80211_simple_init(void) +{ + return 0; +} +static inline void rc80211_simple_exit(void) +{ +} +#endif + +#if defined(RC80211_PID_COMPILE) || \ + (defined(CONFIG_MAC80211_RC_PID) && \ + !defined(CONFIG_MAC80211_RC_PID_MODULE)) +extern int rc80211_pid_init(void); +extern void rc80211_pid_exit(void); +#else +static inline int rc80211_pid_init(void) +{ + return 0; +} +static inline void rc80211_pid_exit(void) +{ +} +#endif + #endif /* IEEE80211_RATE_H */ diff --git a/net/mac80211/rc80211_pid_algo.c b/net/mac80211/rc80211_pid_algo.c index da3529017da1..0995bb9cec21 100644 --- a/net/mac80211/rc80211_pid_algo.c +++ b/net/mac80211/rc80211_pid_algo.c @@ -12,7 +12,7 @@ #include <linux/netdevice.h> #include <linux/types.h> #include <linux/skbuff.h> - +#include <linux/debugfs.h> #include <net/mac80211.h> #include "ieee80211_rate.h" @@ -492,7 +492,7 @@ static void rate_control_pid_free_sta(void *priv, void *priv_sta) kfree(spinfo); } -struct rate_control_ops mac80211_rcpid = { +static struct rate_control_ops mac80211_rcpid = { .name = "pid", .tx_status = rate_control_pid_tx_status, .get_rate = rate_control_pid_get_rate, @@ -507,3 +507,23 @@ struct rate_control_ops mac80211_rcpid = { .remove_sta_debugfs = rate_control_pid_remove_sta_debugfs, #endif }; + +MODULE_DESCRIPTION("PID controller based rate control algorithm"); +MODULE_AUTHOR("Stefano Brivio"); +MODULE_AUTHOR("Mattias Nissler"); +MODULE_LICENSE("GPL"); + +int __init rc80211_pid_init(void) +{ + return ieee80211_rate_control_register(&mac80211_rcpid); +} + +void __exit rc80211_pid_exit(void) +{ + ieee80211_rate_control_unregister(&mac80211_rcpid); +} + +#ifdef CONFIG_MAC80211_RC_PID_MODULE +module_init(rc80211_pid_init); +module_exit(rc80211_pid_exit); +#endif diff --git a/net/mac80211/rc80211_simple.c b/net/mac80211/rc80211_simple.c index c1c8b76a56af..33de6f967e55 100644 --- a/net/mac80211/rc80211_simple.c +++ b/net/mac80211/rc80211_simple.c @@ -13,6 +13,7 @@ #include <linux/slab.h> #include <linux/skbuff.h> #include <linux/compiler.h> +#include <linux/module.h> #include <net/mac80211.h> #include "ieee80211_i.h" @@ -349,7 +350,7 @@ static void rate_control_simple_remove_sta_debugfs(void *priv, void *priv_sta) } #endif -struct rate_control_ops mac80211_rcsimple = { +static struct rate_control_ops mac80211_rcsimple = { .name = "simple", .tx_status = rate_control_simple_tx_status, .get_rate = rate_control_simple_get_rate, @@ -364,3 +365,21 @@ struct rate_control_ops mac80211_rcsimple = { .remove_sta_debugfs = rate_control_simple_remove_sta_debugfs, #endif }; + +MODULE_LICENSE("GPL"); +MODULE_DESCRIPTION("Simple rate control algorithm"); + +int __init rc80211_simple_init(void) +{ + return ieee80211_rate_control_register(&mac80211_rcsimple); +} + +void __exit rc80211_simple_exit(void) +{ + ieee80211_rate_control_unregister(&mac80211_rcsimple); +} + +#ifdef CONFIG_MAC80211_RC_SIMPLE_MODULE +module_init(rc80211_simple_init); +module_exit(rc80211_simple_exit); +#endif |