zte's code,first commit
Change-Id: I9a04da59e459a9bc0d67f101f700d9d7dc8d681b
diff --git a/ap/os/linux/linux-3.4.x/net/mac80211/rc80211_minstrel.h b/ap/os/linux/linux-3.4.x/net/mac80211/rc80211_minstrel.h
new file mode 100644
index 0000000..5d278ec
--- /dev/null
+++ b/ap/os/linux/linux-3.4.x/net/mac80211/rc80211_minstrel.h
@@ -0,0 +1,109 @@
+/*
+ * Copyright (C) 2008 Felix Fietkau <nbd@openwrt.org>
+ *
+ * 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 __RC_MINSTREL_H
+#define __RC_MINSTREL_H
+
+struct minstrel_rate {
+ int bitrate;
+ int rix;
+
+ unsigned int perfect_tx_time;
+ unsigned int ack_time;
+
+ int sample_limit;
+ unsigned int retry_count;
+ unsigned int retry_count_cts;
+ unsigned int retry_count_rtscts;
+ unsigned int adjusted_retry_count;
+
+ u32 success;
+ u32 attempts;
+ u32 last_attempts;
+ u32 last_success;
+
+ /* parts per thousand */
+ u32 cur_prob;
+ u32 probability;
+
+ /* per-rate throughput */
+ u32 cur_tp;
+
+ u64 succ_hist;
+ u64 att_hist;
+};
+
+struct minstrel_sta_info {
+ unsigned long stats_update;
+ unsigned int sp_ack_dur;
+ unsigned int rate_avg;
+
+ unsigned int lowest_rix;
+
+ unsigned int max_tp_rate;
+ unsigned int max_tp_rate2;
+ unsigned int max_prob_rate;
+ unsigned int packet_count;
+ unsigned int sample_count;
+ int sample_deferred;
+
+ unsigned int sample_idx;
+ unsigned int sample_column;
+
+ int n_rates;
+ struct minstrel_rate *r;
+ bool prev_sample;
+
+ /* sampling table */
+ u8 *sample_table;
+
+#ifdef CONFIG_MAC80211_DEBUGFS
+ struct dentry *dbg_stats;
+#endif
+};
+
+struct minstrel_priv {
+ struct ieee80211_hw *hw;
+ bool has_mrr;
+ unsigned int cw_min;
+ unsigned int cw_max;
+ unsigned int max_retry;
+ unsigned int ewma_level;
+ unsigned int segment_size;
+ unsigned int update_interval;
+ unsigned int lookaround_rate;
+ unsigned int lookaround_rate_mrr;
+
+#ifdef CONFIG_MAC80211_DEBUGFS
+ /*
+ * enable fixed rate processing per RC
+ * - write static index to debugfs:ieee80211/phyX/rc/fixed_rate_idx
+ * - write -1 to enable RC processing again
+ * - setting will be applied on next update
+ */
+ u32 fixed_rate_idx;
+ struct dentry *dbg_fixed_rate;
+#endif
+
+};
+
+struct minstrel_debugfs_info {
+ size_t len;
+ char buf[];
+};
+
+extern struct rate_control_ops mac80211_minstrel;
+void minstrel_add_sta_debugfs(void *priv, void *priv_sta, struct dentry *dir);
+void minstrel_remove_sta_debugfs(void *priv, void *priv_sta);
+
+/* debugfs */
+int minstrel_stats_open(struct inode *inode, struct file *file);
+ssize_t minstrel_stats_read(struct file *file, char __user *buf, size_t len, loff_t *ppos);
+int minstrel_stats_release(struct inode *inode, struct file *file);
+
+#endif