mac80211: better rate control algorithm selection
This patch changes mac80211's Kconfig/Makefile to:
* select between the PID and the SIMPLE rate control
algorithm as default
* always allow tri-state for the rate control algorithms,
building those that are selected 'y' into the mac80211
module (if that is a module, otherwise all into the kernel)
* force the default rate control algorithm to be built into
mac80211
It also makes both rate control algorithms proper modules again
with MODULE_LICENSE etc.
Only if EMBEDDED is the user allowed to select "NONE" as default
which will cause no algorithm to be selected, this will work
only when the driver brings one itself (e.g. iwlwifi drivers).
Signed-off-by: Johannes Berg <johannes@sipsolutions.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/net/mac80211/ieee80211_rate.h b/net/mac80211/ieee80211_rate.h
index 3eb0696..73f19e8 100644
--- a/net/mac80211/ieee80211_rate.h
+++ b/net/mac80211/ieee80211_rate.h
@@ -58,12 +58,6 @@
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 @@
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 */