Moved, renamed, and deleted files

The original directory structure was scattered and unorganized.
Changes are basically to make it look like kernel structure.

1 files changed, 236 insertions, 0 deletions

diff --git a/drivers/net/wireless/ath/ath9k/rc.h b/drivers/net/wireless/ath/ath9k/rc.h
new file mode 100644
index 00000000..75f8e9b0
--- /dev/null
+++ b/drivers/net/wireless/ath/ath9k/rc.h
@@ -0,0 +1,236 @@
+/*
+ * Copyright (c) 2004 Sam Leffler, Errno Consulting
+ * Copyright (c) 2004 Video54 Technologies, Inc.
+ * Copyright (c) 2008-2011 Atheros Communications Inc.
+ *
+ * Permission to use, copy, modify, and/or distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+ * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#ifndef RC_H
+#define RC_H
+
+#include "hw.h"
+
+struct ath_softc;
+
+#define ATH_RATE_MAX     30
+#define RATE_TABLE_SIZE  72
+
+#define RC_INVALID	0x0000
+#define RC_LEGACY	0x0001
+#define RC_SS		0x0002
+#define RC_DS		0x0004
+#define RC_TS		0x0008
+#define RC_HT_20	0x0010
+#define RC_HT_40	0x0020
+
+#define RC_STREAM_MASK	0xe
+#define RC_DS_OR_LATER(f)	((((f) & RC_STREAM_MASK) == RC_DS) || \
+				(((f) & RC_STREAM_MASK) == (RC_DS | RC_TS)))
+#define RC_TS_ONLY(f)		(((f) & RC_STREAM_MASK) == RC_TS)
+#define RC_SS_OR_LEGACY(f)	((f) & (RC_SS | RC_LEGACY))
+
+#define RC_HT_2040		(RC_HT_20 | RC_HT_40)
+#define RC_ALL_STREAM		(RC_SS | RC_DS | RC_TS)
+#define RC_L_SD			(RC_LEGACY | RC_SS | RC_DS)
+#define RC_L_SDT		(RC_LEGACY | RC_SS | RC_DS | RC_TS)
+#define RC_HT_S_20		(RC_HT_20 | RC_SS)
+#define RC_HT_D_20		(RC_HT_20 | RC_DS)
+#define RC_HT_T_20		(RC_HT_20 | RC_TS)
+#define RC_HT_S_40		(RC_HT_40 | RC_SS)
+#define RC_HT_D_40		(RC_HT_40 | RC_DS)
+#define RC_HT_T_40		(RC_HT_40 | RC_TS)
+
+#define RC_HT_SD_20		(RC_HT_20 | RC_SS | RC_DS)
+#define RC_HT_DT_20		(RC_HT_20 | RC_DS | RC_TS)
+#define RC_HT_SD_40		(RC_HT_40 | RC_SS | RC_DS)
+#define RC_HT_DT_40		(RC_HT_40 | RC_DS | RC_TS)
+
+#define RC_HT_SD_2040		(RC_HT_2040 | RC_SS | RC_DS)
+#define RC_HT_SDT_2040		(RC_HT_2040 | RC_SS | RC_DS | RC_TS)
+
+#define RC_HT_SDT_20		(RC_HT_20 | RC_SS | RC_DS | RC_TS)
+#define RC_HT_SDT_40		(RC_HT_40 | RC_SS | RC_DS | RC_TS)
+
+#define RC_ALL			(RC_LEGACY | RC_HT_2040 | RC_ALL_STREAM)
+
+enum {
+	WLAN_RC_PHY_OFDM,
+	WLAN_RC_PHY_CCK,
+	WLAN_RC_PHY_HT_20_SS,
+	WLAN_RC_PHY_HT_20_DS,
+	WLAN_RC_PHY_HT_20_TS,
+	WLAN_RC_PHY_HT_40_SS,
+	WLAN_RC_PHY_HT_40_DS,
+	WLAN_RC_PHY_HT_40_TS,
+	WLAN_RC_PHY_HT_20_SS_HGI,
+	WLAN_RC_PHY_HT_20_DS_HGI,
+	WLAN_RC_PHY_HT_20_TS_HGI,
+	WLAN_RC_PHY_HT_40_SS_HGI,
+	WLAN_RC_PHY_HT_40_DS_HGI,
+	WLAN_RC_PHY_HT_40_TS_HGI,
+	WLAN_RC_PHY_MAX
+};
+
+#define WLAN_RC_PHY_DS(_phy)   ((_phy == WLAN_RC_PHY_HT_20_DS)		\
+				|| (_phy == WLAN_RC_PHY_HT_40_DS)	\
+				|| (_phy == WLAN_RC_PHY_HT_20_DS_HGI)	\
+				|| (_phy == WLAN_RC_PHY_HT_40_DS_HGI))
+#define WLAN_RC_PHY_TS(_phy)   ((_phy == WLAN_RC_PHY_HT_20_TS)		\
+				|| (_phy == WLAN_RC_PHY_HT_40_TS)	\
+				|| (_phy == WLAN_RC_PHY_HT_20_TS_HGI)	\
+				|| (_phy == WLAN_RC_PHY_HT_40_TS_HGI))
+#define WLAN_RC_PHY_20(_phy)   ((_phy == WLAN_RC_PHY_HT_20_SS)		\
+				|| (_phy == WLAN_RC_PHY_HT_20_DS)	\
+				|| (_phy == WLAN_RC_PHY_HT_20_TS)	\
+				|| (_phy == WLAN_RC_PHY_HT_20_SS_HGI)	\
+				|| (_phy == WLAN_RC_PHY_HT_20_DS_HGI)	\
+				|| (_phy == WLAN_RC_PHY_HT_20_TS_HGI))
+#define WLAN_RC_PHY_40(_phy)   ((_phy == WLAN_RC_PHY_HT_40_SS)		\
+				|| (_phy == WLAN_RC_PHY_HT_40_DS)	\
+				|| (_phy == WLAN_RC_PHY_HT_40_TS)	\
+				|| (_phy == WLAN_RC_PHY_HT_40_SS_HGI)	\
+				|| (_phy == WLAN_RC_PHY_HT_40_DS_HGI)	\
+				|| (_phy == WLAN_RC_PHY_HT_40_TS_HGI))
+#define WLAN_RC_PHY_SGI(_phy)  ((_phy == WLAN_RC_PHY_HT_20_SS_HGI)      \
+				|| (_phy == WLAN_RC_PHY_HT_20_DS_HGI)   \
+				|| (_phy == WLAN_RC_PHY_HT_20_TS_HGI)   \
+				|| (_phy == WLAN_RC_PHY_HT_40_SS_HGI)   \
+				|| (_phy == WLAN_RC_PHY_HT_40_DS_HGI)   \
+				|| (_phy == WLAN_RC_PHY_HT_40_TS_HGI))
+
+#define WLAN_RC_PHY_HT(_phy)    (_phy >= WLAN_RC_PHY_HT_20_SS)
+
+#define WLAN_RC_CAP_MODE(capflag) (((capflag & WLAN_RC_HT_FLAG) ?	\
+	((capflag & WLAN_RC_40_FLAG) ? RC_HT_40 : RC_HT_20) : RC_LEGACY))
+
+#define WLAN_RC_CAP_STREAM(capflag) (((capflag & WLAN_RC_TS_FLAG) ?	\
+	(RC_TS) : ((capflag & WLAN_RC_DS_FLAG) ? RC_DS : RC_SS)))
+
+/* Return TRUE if flag supports HT20 && client supports HT20 or
+ * return TRUE if flag supports HT40 && client supports HT40.
+ * This is used becos some rates overlap between HT20/HT40.
+ */
+#define WLAN_RC_PHY_HT_VALID(flag, capflag)			\
+	(((flag & RC_HT_20) && !(capflag & WLAN_RC_40_FLAG)) || \
+	 ((flag & RC_HT_40) && (capflag & WLAN_RC_40_FLAG)))
+
+#define WLAN_RC_DS_FLAG         (0x01)
+#define WLAN_RC_TS_FLAG         (0x02)
+#define WLAN_RC_40_FLAG         (0x04)
+#define WLAN_RC_SGI_FLAG        (0x08)
+#define WLAN_RC_HT_FLAG         (0x10)
+
+/**
+ * struct ath_rate_table - Rate Control table
+ * @rate_cnt: total number of rates for the given wireless mode
+ * @mcs_start: MCS rate index offset
+ * @rate_flags: Rate Control flags
+ * @phy: CCK/OFDM/HT20/HT40
+ * @ratekbps: rate in Kbits per second
+ * @user_ratekbps: user rate in Kbits per second
+ * @ratecode: rate that goes into HW descriptors
+ * @dot11rate: value that goes into supported
+ * 	rates info element of MLME
+ * @ctrl_rate: Index of next lower basic rate, used for duration computation
+ * @cw40index: Index of rates having 40MHz channel width
+ * @sgi_index: Index of rates having Short Guard Interval
+ * @ht_index: high throughput rates having 40MHz channel width and
+ * 	Short Guard Interval
+ * @probe_interval: interval for rate control to probe for other rates
+ * @initial_ratemax: initial ratemax value
+ */
+struct ath_rate_table {
+	int rate_cnt;
+	int mcs_start;
+	struct {
+		u16 rate_flags;
+		u8 phy;
+		u32 ratekbps;
+		u32 user_ratekbps;
+		u8 ratecode;
+		u8 dot11rate;
+		u8 ctrl_rate;
+		u8 cw40index;
+		u8 sgi_index;
+		u8 ht_index;
+	} info[RATE_TABLE_SIZE];
+	u32 probe_interval;
+	u8 initial_ratemax;
+};
+
+struct ath_rateset {
+	u8 rs_nrates;
+	u8 rs_rates[ATH_RATE_MAX];
+};
+
+struct ath_rc_stats {
+	u32 success;
+	u32 retries;
+	u32 xretries;
+	u8 per;
+};
+
+/**
+ * struct ath_rate_priv - Rate Control priv data
+ * @state: RC state
+ * @probe_rate: rate we are probing at
+ * @probe_time: msec timestamp for last probe
+ * @hw_maxretry_pktcnt: num of packets since we got HW max retry error
+ * @max_valid_rate: maximum number of valid rate
+ * @per_down_time: msec timestamp for last PER down step
+ * @valid_phy_ratecnt: valid rate count
+ * @rate_max_phy: phy index for the max rate
+ * @per: PER for every valid rate in %
+ * @probe_interval: interval for ratectrl to probe for other rates
+ * @ht_cap: HT capabilities
+ * @neg_rates: Negotatied rates
+ * @neg_ht_rates: Negotiated HT rates
+ */
+struct ath_rate_priv {
+	u8 rate_table_size;
+	u8 probe_rate;
+	u8 hw_maxretry_pktcnt;
+	u8 max_valid_rate;
+	u8 valid_rate_index[RATE_TABLE_SIZE];
+	u8 ht_cap;
+	u8 valid_phy_ratecnt[WLAN_RC_PHY_MAX];
+	u8 valid_phy_rateidx[WLAN_RC_PHY_MAX][RATE_TABLE_SIZE];
+	u8 rate_max_phy;
+	u8 per[RATE_TABLE_SIZE];
+	u32 probe_time;
+	u32 per_down_time;
+	u32 probe_interval;
+	struct ath_rateset neg_rates;
+	struct ath_rateset neg_ht_rates;
+	const struct ath_rate_table *rate_table;
+
+	struct dentry *debugfs_rcstats;
+	struct ath_rc_stats rcstats[RATE_TABLE_SIZE];
+};
+
+#ifdef CONFIG_ATH9K_RATE_CONTROL
+int ath_rate_control_register(void);
+void ath_rate_control_unregister(void);
+#else
+static inline int ath_rate_control_register(void)
+{
+	return 0;
+}
+
+static inline void ath_rate_control_unregister(void)
+{
+}
+#endif
+
+#endif /* RC_H */