add devicescape 802.11 stack

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@2791 3c298f89-4303-0410-b956-a3cf2f4a3e73

1 files changed, 128 insertions, 0 deletions

diff --git a/openwrt/target/linux/package/ieee80211-dscape/src/rate_control.h b/openwrt/target/linux/package/ieee80211-dscape/src/rate_control.h
new file mode 100644
index 000000000..9ceea7da5
--- /dev/null
+++ b/openwrt/target/linux/package/ieee80211-dscape/src/rate_control.h
@@ -0,0 +1,128 @@
+/*
+ * Copyright 2002-2005, Instant802 Networks, Inc.
+ * Copyright 2005, Devicescape Software, Inc.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+#ifndef RATE_CONTROL
+#define RATE_CONTROL
+
+#define RATE_CONTROL_NUM_DOWN 20
+#define RATE_CONTROL_NUM_UP   15
+
+
+struct rate_control_extra {
+	/* values from rate_control_get_rate() to the caller: */
+	struct ieee80211_rate *probe; /* probe with this rate, or NULL for no
+				       * probing */
+	int startidx, endidx, rateidx;
+	struct ieee80211_rate *nonerp;
+	int nonerp_idx;
+
+	/* parameters from the caller to rate_control_get_rate(): */
+	int mgmt_data; /* this is data frame that is used for management
+			* (e.g., IEEE 802.1X EAPOL) */
+	u16 ethertype;
+};
+
+
+struct rate_control_ops {
+	const char *name;
+	void (*tx_status)(struct net_device *dev, struct sk_buff *skb,
+			  struct ieee80211_tx_status *status);
+	struct ieee80211_rate *
+	(*get_rate)(struct net_device *dev, struct sk_buff *skb,
+		    struct rate_control_extra *extra);
+	void (*rate_init)(struct ieee80211_local *local, struct sta_info *sta);
+	void (*clear)(void *priv);
+	int (*status_sta)(struct ieee80211_local *local,
+			  struct sta_info *sta, char *buf);
+	int (*status_global)(struct ieee80211_local *local, char *buf);
+
+	void * (*alloc)(struct ieee80211_local *local);
+	void (*free)(void *priv);
+	void * (*alloc_sta)(void);
+	void (*free_sta)(void *priv);
+};
+
+
+int ieee80211_rate_control_register(struct rate_control_ops *ops);
+void ieee80211_rate_control_unregister(struct rate_control_ops *ops);
+
+
+static inline void rate_control_tx_status(struct net_device *dev,
+					  struct sk_buff *skb,
+					  struct ieee80211_tx_status *status)
+{
+	struct ieee80211_local *local = dev->priv;
+	local->rate_ctrl->tx_status(dev, skb, status);
+}
+
+
+static inline struct ieee80211_rate *
+rate_control_get_rate(struct net_device *dev, struct sk_buff *skb,
+		      struct rate_control_extra *extra)
+{
+	struct ieee80211_local *local = dev->priv;
+	return local->rate_ctrl->get_rate(dev, skb, extra);
+}
+
+
+static inline void rate_control_rate_init(struct ieee80211_local *local,
+					  struct sta_info *sta)
+{
+	local->rate_ctrl->rate_init(local, sta);
+}
+
+
+static inline void rate_control_clear(struct ieee80211_local *local)
+{
+	local->rate_ctrl->clear(local->rate_ctrl_priv);
+}
+
+
+static inline int rate_control_status_sta(struct ieee80211_local *local,
+					  struct sta_info *sta, char *buf)
+{
+	return local->rate_ctrl->status_sta(local, sta, buf);
+}
+
+
+static inline int rate_control_status_global(struct ieee80211_local *local,
+					     char *buf)
+{
+	return local->rate_ctrl->status_global(local, buf);
+}
+
+
+static inline void * rate_control_alloc(struct ieee80211_local *local)
+{
+	return local->rate_ctrl->alloc(local);
+}
+
+
+static inline void rate_control_free(struct ieee80211_local *local)
+{
+	if (local->rate_ctrl == NULL || local->rate_ctrl_priv == NULL)
+		return;
+	local->rate_ctrl->free(local->rate_ctrl_priv);
+	local->rate_ctrl_priv = NULL;
+}
+
+
+static inline void * rate_control_alloc_sta(struct ieee80211_local *local)
+{
+	return local->rate_ctrl->alloc_sta();
+}
+
+
+static inline void rate_control_free_sta(struct ieee80211_local *local,
+					 void *priv)
+{
+	local->rate_ctrl->free_sta(priv);
+}
+
+#endif /* RATE_CONTROL */