atheros: put atheros wireless drivers into ath/

Signed-off-by: Luis R. Rodriguez <lrodriguez@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

1 files changed, 0 insertions, 1752 deletions

diff --git a/drivers/net/wireless/ath9k/rc.c b/drivers/net/wireless/ath9k/rc.c
deleted file mode 100644
index a13668b9b6dc..000000000000
--- a/drivers/net/wireless/ath9k/rc.c
+++ /dev/null
@@ -1,1752 +0,0 @@
-/*
- * Copyright (c) 2004 Video54 Technologies, Inc.
- * Copyright (c) 2004-2009 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.
- */
-
-#include "ath9k.h"
-
-static struct ath_rate_table ar5416_11na_ratetable = {
-	42,
-	{
-		{ VALID, VALID, WLAN_RC_PHY_OFDM, 6000, /* 6 Mb */
-			5400, 0x0b, 0x00, 12,
-			0, 2, 1, 0, 0, 0, 0, 0 },
-		{ VALID, VALID, WLAN_RC_PHY_OFDM, 9000, /* 9 Mb */
-			7800,  0x0f, 0x00, 18,
-			0, 3, 1, 1, 1, 1, 1, 0 },
-		{ VALID, VALID, WLAN_RC_PHY_OFDM, 12000, /* 12 Mb */
-			10000, 0x0a, 0x00, 24,
-			2, 4, 2, 2, 2, 2, 2, 0 },
-		{ VALID, VALID, WLAN_RC_PHY_OFDM, 18000, /* 18 Mb */
-			13900, 0x0e, 0x00, 36,
-			2, 6,  2, 3, 3, 3, 3, 0 },
-		{ VALID, VALID, WLAN_RC_PHY_OFDM, 24000, /* 24 Mb */
-			17300, 0x09, 0x00, 48,
-			4, 10, 3, 4, 4, 4, 4, 0 },
-		{ VALID, VALID, WLAN_RC_PHY_OFDM, 36000, /* 36 Mb */
-			23000, 0x0d, 0x00, 72,
-			4, 14, 3, 5, 5, 5, 5, 0 },
-		{ VALID, VALID, WLAN_RC_PHY_OFDM, 48000, /* 48 Mb */
-			27400, 0x08, 0x00, 96,
-			4, 20, 3, 6, 6, 6, 6, 0 },
-		{ VALID, VALID, WLAN_RC_PHY_OFDM, 54000, /* 54 Mb */
-			29300, 0x0c, 0x00, 108,
-			4, 23, 3, 7, 7, 7, 7, 0 },
-		{ VALID_20, VALID_20, WLAN_RC_PHY_HT_20_SS, 6500, /* 6.5 Mb */
-			6400, 0x80, 0x00, 0,
-			0, 2, 3, 8, 24, 8, 24, 3216 },
-		{ VALID_20, VALID_20, WLAN_RC_PHY_HT_20_SS, 13000, /* 13 Mb */
-			12700, 0x81, 0x00, 1,
-			2, 4, 3, 9, 25, 9, 25, 6434 },
-		{ VALID_20, VALID_20, WLAN_RC_PHY_HT_20_SS, 19500, /* 19.5 Mb */
-			18800, 0x82, 0x00, 2,
-			2, 6, 3, 10, 26, 10, 26, 9650 },
-		{ VALID_20, VALID_20, WLAN_RC_PHY_HT_20_SS, 26000, /* 26 Mb */
-			25000, 0x83, 0x00, 3,
-			4, 10, 3, 11, 27, 11, 27, 12868 },
-		{ VALID_20, VALID_20, WLAN_RC_PHY_HT_20_SS, 39000, /* 39 Mb */
-			36700, 0x84, 0x00, 4,
-			4, 14, 3, 12, 28, 12, 28, 19304 },
-		{ INVALID, VALID_20, WLAN_RC_PHY_HT_20_SS, 52000, /* 52 Mb */
-			48100, 0x85, 0x00, 5,
-			4, 20, 3, 13, 29, 13, 29, 25740 },
-		{ INVALID, VALID_20, WLAN_RC_PHY_HT_20_SS, 58500, /* 58.5 Mb */
-			53500, 0x86, 0x00, 6,
-			4, 23, 3, 14, 30, 14, 30,  28956 },
-		{ INVALID, VALID_20, WLAN_RC_PHY_HT_20_SS, 65000, /* 65 Mb */
-			59000, 0x87, 0x00, 7,
-			4, 25, 3, 15, 31, 15, 32, 32180 },
-		{ INVALID, INVALID, WLAN_RC_PHY_HT_20_DS, 13000, /* 13 Mb */
-			12700, 0x88, 0x00,
-			8, 0, 2, 3, 16, 33, 16, 33, 6430 },
-		{ INVALID, INVALID, WLAN_RC_PHY_HT_20_DS, 26000, /* 26 Mb */
-			24800, 0x89, 0x00, 9,
-			2, 4, 3, 17, 34, 17, 34, 12860 },
-		{ INVALID, INVALID, WLAN_RC_PHY_HT_20_DS, 39000, /* 39 Mb */
-			36600, 0x8a, 0x00, 10,
-			2, 6, 3, 18, 35, 18, 35, 19300 },
-		{ VALID_20, INVALID, WLAN_RC_PHY_HT_20_DS, 52000, /* 52 Mb */
-			48100, 0x8b, 0x00, 11,
-			4, 10, 3, 19, 36, 19, 36, 25736 },
-		{ VALID_20, INVALID, WLAN_RC_PHY_HT_20_DS, 78000, /* 78 Mb */
-			69500, 0x8c, 0x00, 12,
-			4, 14, 3, 20, 37, 20, 37, 38600 },
-		{ VALID_20, INVALID, WLAN_RC_PHY_HT_20_DS, 104000, /* 104 Mb */
-			89500, 0x8d, 0x00, 13,
-			4, 20, 3, 21, 38, 21, 38, 51472 },
-		{ VALID_20, INVALID, WLAN_RC_PHY_HT_20_DS, 117000, /* 117 Mb */
-			98900, 0x8e, 0x00, 14,
-			4, 23, 3, 22, 39, 22, 39, 57890 },
-		{ VALID_20, INVALID, WLAN_RC_PHY_HT_20_DS, 130000, /* 130 Mb */
-			108300, 0x8f, 0x00, 15,
-			4, 25, 3, 23, 40, 23, 41, 64320 },
-		{ VALID_40, VALID_40, WLAN_RC_PHY_HT_40_SS, 13500, /* 13.5 Mb */
-			13200, 0x80, 0x00, 0,
-			0, 2, 3, 8, 24, 24, 24, 6684 },
-		{ VALID_40, VALID_40, WLAN_RC_PHY_HT_40_SS, 27500, /* 27.0 Mb */
-			25900, 0x81, 0x00, 1,
-			2, 4, 3, 9, 25, 25, 25, 13368 },
-		{ VALID_40, VALID_40, WLAN_RC_PHY_HT_40_SS, 40500, /* 40.5 Mb */
-			38600, 0x82, 0x00, 2,
-			2, 6, 3, 10, 26, 26, 26, 20052 },
-		{ VALID_40, VALID_40, WLAN_RC_PHY_HT_40_SS, 54000, /* 54 Mb */
-			49800, 0x83, 0x00, 3,
-			4, 10, 3, 11, 27, 27, 27, 26738 },
-		{ VALID_40, VALID_40, WLAN_RC_PHY_HT_40_SS, 81500, /* 81 Mb */
-			72200, 0x84, 0x00, 4,
-			4, 14, 3, 12, 28, 28, 28, 40104 },
-		{ INVALID, VALID_40, WLAN_RC_PHY_HT_40_SS, 108000, /* 108 Mb */
-			92900, 0x85, 0x00, 5,
-			4, 20, 3, 13, 29, 29, 29, 53476 },
-		{ INVALID, VALID_40, WLAN_RC_PHY_HT_40_SS, 121500, /* 121.5 Mb */
-			102700, 0x86, 0x00, 6,
-			4, 23, 3, 14, 30, 30, 30, 60156 },
-		{ INVALID, VALID_40, WLAN_RC_PHY_HT_40_SS, 135000, /* 135 Mb */
-			112000, 0x87, 0x00, 7,
-			4, 25, 3, 15, 31, 32, 32, 66840 },
-		{ INVALID, VALID_40, WLAN_RC_PHY_HT_40_SS_HGI, 150000, /* 150 Mb */
-			122000, 0x87, 0x00, 7,
-			4, 25, 3, 15, 31, 32, 32, 74200 },
-		{ INVALID, INVALID, WLAN_RC_PHY_HT_40_DS, 27000, /* 27 Mb */
-			25800, 0x88, 0x00, 8,
-			0, 2, 3, 16, 33, 33, 33, 13360 },
-		{ INVALID, INVALID, WLAN_RC_PHY_HT_40_DS, 54000, /* 54 Mb */
-			49800, 0x89, 0x00, 9,
-			2, 4, 3, 17, 34, 34, 34, 26720 },
-		{ INVALID, INVALID, WLAN_RC_PHY_HT_40_DS, 81000, /* 81 Mb */
-			71900, 0x8a, 0x00, 10,
-			2, 6, 3, 18, 35, 35, 35, 40080 },
-		{ VALID_40, INVALID, WLAN_RC_PHY_HT_40_DS, 108000, /* 108 Mb */
-			92500, 0x8b, 0x00, 11,
-			4, 10, 3, 19, 36, 36, 36, 53440 },
-		{ VALID_40, INVALID, WLAN_RC_PHY_HT_40_DS, 162000, /* 162 Mb */
-			130300, 0x8c, 0x00, 12,
-			4, 14, 3, 20, 37, 37, 37, 80160 },
-		{ VALID_40, INVALID, WLAN_RC_PHY_HT_40_DS, 216000, /* 216 Mb */
-			162800, 0x8d, 0x00, 13,
-			4, 20, 3, 21, 38, 38, 38, 106880 },
-		{ VALID_40, INVALID, WLAN_RC_PHY_HT_40_DS, 243000, /* 243 Mb */
-			178200, 0x8e, 0x00, 14,
-			4, 23, 3, 22, 39, 39, 39, 120240 },
-		{ VALID_40, INVALID, WLAN_RC_PHY_HT_40_DS, 270000, /* 270 Mb */
-			192100, 0x8f, 0x00, 15,
-			4, 25, 3, 23, 40, 41, 41, 133600 },
-		{ VALID_40, INVALID, WLAN_RC_PHY_HT_40_DS_HGI, 300000, /* 300 Mb */
-			207000, 0x8f, 0x00, 15,
-			4, 25, 3, 23, 40, 41, 41, 148400 },
-	},
-	50,  /* probe interval */
-	50,  /* rssi reduce interval */
-	WLAN_RC_HT_FLAG,  /* Phy rates allowed initially */
-};
-
-/* 4ms frame limit not used for NG mode.  The values filled
- * for HT are the 64K max aggregate limit */
-
-static struct ath_rate_table ar5416_11ng_ratetable = {
-	46,
-	{
-		{ VALID_ALL, VALID_ALL, WLAN_RC_PHY_CCK, 1000, /* 1 Mb */
-			900, 0x1b, 0x00, 2,
-			0, 0, 1, 0, 0, 0, 0, 0 },
-		{ VALID_ALL, VALID_ALL, WLAN_RC_PHY_CCK, 2000, /* 2 Mb */
-			1900, 0x1a, 0x04, 4,
-			1, 1, 1, 1, 1, 1, 1, 0 },
-		{ VALID_ALL, VALID_ALL, WLAN_RC_PHY_CCK, 5500, /* 5.5 Mb */
-			4900, 0x19, 0x04, 11,
-			2, 2, 2, 2, 2, 2, 2, 0 },
-		{ VALID_ALL, VALID_ALL, WLAN_RC_PHY_CCK, 11000, /* 11 Mb */
-			8100, 0x18, 0x04, 22,
-			3, 3, 2, 3, 3, 3, 3, 0 },
-		{ INVALID, INVALID, WLAN_RC_PHY_OFDM, 6000, /* 6 Mb */
-			5400, 0x0b, 0x00, 12,
-			4, 2, 1, 4, 4, 4, 4, 0 },
-		{ INVALID, INVALID, WLAN_RC_PHY_OFDM, 9000, /* 9 Mb */
-			7800, 0x0f, 0x00, 18,
-			4, 3, 1, 5, 5, 5, 5, 0 },
-		{ VALID, VALID, WLAN_RC_PHY_OFDM, 12000, /* 12 Mb */
-			10100, 0x0a, 0x00, 24,
-			6, 4, 1, 6, 6, 6, 6, 0 },
-		{ VALID, VALID, WLAN_RC_PHY_OFDM, 18000, /* 18 Mb */
-			14100,  0x0e, 0x00, 36,
-			6, 6, 2, 7, 7, 7, 7, 0 },
-		{ VALID, VALID, WLAN_RC_PHY_OFDM, 24000, /* 24 Mb */
-			17700, 0x09, 0x00, 48,
-			8, 10, 3, 8, 8, 8, 8, 0 },
-		{ VALID, VALID, WLAN_RC_PHY_OFDM, 36000, /* 36 Mb */
-			23700, 0x0d, 0x00, 72,
-			8, 14, 3, 9, 9, 9, 9, 0 },
-		{ VALID, VALID, WLAN_RC_PHY_OFDM, 48000, /* 48 Mb */
-			27400, 0x08, 0x00, 96,
-			8, 20, 3, 10, 10, 10, 10, 0 },
-		{ VALID, VALID, WLAN_RC_PHY_OFDM, 54000, /* 54 Mb */
-			30900, 0x0c, 0x00, 108,
-			8, 23, 3, 11, 11, 11, 11, 0 },
-		{ INVALID, INVALID, WLAN_RC_PHY_HT_20_SS, 6500, /* 6.5 Mb */
-			6400, 0x80, 0x00, 0,
-			4, 2, 3, 12, 28, 12, 28, 3216 },
-		{ VALID_20, VALID_20, WLAN_RC_PHY_HT_20_SS, 13000, /* 13 Mb */
-			12700, 0x81, 0x00, 1,
-			6, 4, 3, 13, 29, 13, 29, 6434 },
-		{ VALID_20, VALID_20, WLAN_RC_PHY_HT_20_SS, 19500, /* 19.5 Mb */
-			18800, 0x82, 0x00, 2,
-			6, 6, 3, 14, 30, 14, 30, 9650 },
-		{ VALID_20, VALID_20, WLAN_RC_PHY_HT_20_SS, 26000, /* 26 Mb */
-			25000, 0x83, 0x00, 3,
-			8, 10, 3, 15, 31, 15, 31, 12868 },
-		{ VALID_20, VALID_20, WLAN_RC_PHY_HT_20_SS, 39000, /* 39 Mb */
-			36700, 0x84, 0x00, 4,
-			8, 14, 3, 16, 32, 16, 32, 19304 },
-		{ INVALID, VALID_20, WLAN_RC_PHY_HT_20_SS, 52000, /* 52 Mb */
-			48100, 0x85, 0x00, 5,
-			8, 20, 3, 17, 33, 17, 33, 25740 },
-		{ INVALID,  VALID_20, WLAN_RC_PHY_HT_20_SS, 58500, /* 58.5 Mb */
-			53500, 0x86, 0x00, 6,
-			8, 23, 3, 18, 34, 18, 34, 28956 },
-		{ INVALID, VALID_20, WLAN_RC_PHY_HT_20_SS, 65000, /* 65 Mb */
-			59000, 0x87, 0x00, 7,
-			8, 25, 3, 19, 35, 19, 36, 32180 },
-		{ INVALID, INVALID, WLAN_RC_PHY_HT_20_DS, 13000, /* 13 Mb */
-			12700, 0x88, 0x00, 8,
-			4, 2, 3, 20, 37, 20, 37, 6430 },
-		{ INVALID, INVALID, WLAN_RC_PHY_HT_20_DS, 26000, /* 26 Mb */
-			24800, 0x89, 0x00, 9,
-			6, 4, 3, 21, 38, 21, 38, 12860 },
-		{ INVALID, INVALID, WLAN_RC_PHY_HT_20_DS, 39000, /* 39 Mb */
-			36600, 0x8a, 0x00, 10,
-			6, 6, 3, 22, 39, 22, 39, 19300 },
-		{ VALID_20, INVALID, WLAN_RC_PHY_HT_20_DS, 52000, /* 52 Mb */
-			48100, 0x8b, 0x00, 11,
-			8, 10, 3, 23, 40, 23, 40, 25736 },
-		{ VALID_20, INVALID, WLAN_RC_PHY_HT_20_DS, 78000, /* 78 Mb */
-			69500, 0x8c, 0x00, 12,
-			8, 14, 3, 24, 41, 24, 41, 38600 },
-		{ VALID_20, INVALID, WLAN_RC_PHY_HT_20_DS, 104000, /* 104 Mb */
-			89500, 0x8d, 0x00, 13,
-			8, 20, 3, 25, 42, 25, 42, 51472 },
-		{ VALID_20, INVALID, WLAN_RC_PHY_HT_20_DS, 117000, /* 117 Mb */
-			98900, 0x8e, 0x00, 14,
-			8, 23, 3, 26, 43, 26, 44, 57890 },
-		{ VALID_20, INVALID, WLAN_RC_PHY_HT_20_DS, 130000, /* 130 Mb */
-			108300, 0x8f, 0x00, 15,
-			8, 25, 3, 27, 44, 27, 45, 64320 },
-		{ VALID_40, VALID_40, WLAN_RC_PHY_HT_40_SS, 13500, /* 13.5 Mb */
-			13200, 0x80, 0x00, 0,
-			8, 2, 3, 12, 28, 28, 28, 6684 },
-		{ VALID_40, VALID_40, WLAN_RC_PHY_HT_40_SS, 27500, /* 27.0 Mb */
-			25900, 0x81, 0x00, 1,
-			8, 4, 3, 13, 29, 29, 29, 13368 },
-		{ VALID_40, VALID_40, WLAN_RC_PHY_HT_40_SS, 40500, /* 40.5 Mb */
-			38600, 0x82, 0x00, 2,
-			8, 6, 3, 14, 30, 30, 30, 20052 },
-		{ VALID_40, VALID_40, WLAN_RC_PHY_HT_40_SS, 54000, /* 54 Mb */
-			49800, 0x83, 0x00, 3,
-			8, 10, 3, 15, 31, 31, 31, 26738 },
-		{ VALID_40, VALID_40, WLAN_RC_PHY_HT_40_SS, 81500, /* 81 Mb */
-			72200, 0x84, 0x00, 4,
-			8, 14, 3, 16, 32, 32, 32, 40104 },
-		{ INVALID, VALID_40, WLAN_RC_PHY_HT_40_SS, 108000, /* 108 Mb */
-			92900, 0x85, 0x00, 5,
-			8, 20, 3, 17, 33, 33, 33, 53476 },
-		{ INVALID,  VALID_40, WLAN_RC_PHY_HT_40_SS, 121500, /* 121.5 Mb */
-			102700, 0x86, 0x00, 6,
-			8, 23, 3, 18, 34, 34, 34, 60156 },
-		{ INVALID, VALID_40, WLAN_RC_PHY_HT_40_SS, 135000, /* 135 Mb */
-			112000, 0x87, 0x00, 7,
-			8, 23, 3, 19, 35, 36, 36, 66840 },
-		{ INVALID, VALID_40, WLAN_RC_PHY_HT_40_SS_HGI, 150000, /* 150 Mb */
-			122000, 0x87, 0x00, 7,
-			8, 25, 3, 19, 35, 36, 36, 74200 },
-		{ INVALID, INVALID, WLAN_RC_PHY_HT_40_DS, 27000, /* 27 Mb */
-			25800, 0x88, 0x00, 8,
-			8, 2, 3, 20, 37, 37, 37, 13360 },
-		{ INVALID, INVALID, WLAN_RC_PHY_HT_40_DS, 54000, /* 54 Mb */
-			49800, 0x89, 0x00, 9,
-			8, 4, 3, 21, 38, 38, 38, 26720 },
-		{ INVALID, INVALID, WLAN_RC_PHY_HT_40_DS, 81000, /* 81 Mb */
-			71900, 0x8a, 0x00, 10,
-			8, 6, 3, 22, 39, 39, 39, 40080 },
-		{ VALID_40, INVALID, WLAN_RC_PHY_HT_40_DS, 108000, /* 108 Mb */
-			92500, 0x8b, 0x00, 11,
-			8, 10, 3, 23, 40, 40, 40, 53440 },
-		{ VALID_40, INVALID, WLAN_RC_PHY_HT_40_DS, 162000, /* 162 Mb */
-			130300, 0x8c, 0x00, 12,
-			8, 14, 3, 24, 41, 41, 41, 80160 },
-		{ VALID_40, INVALID, WLAN_RC_PHY_HT_40_DS, 216000, /* 216 Mb */
-			162800, 0x8d, 0x00, 13,
-			8, 20, 3, 25, 42, 42, 42, 106880 },
-		{ VALID_40, INVALID, WLAN_RC_PHY_HT_40_DS, 243000, /* 243 Mb */
-			178200, 0x8e, 0x00, 14,
-			8, 23, 3, 26, 43, 43, 43, 120240 },
-		{ VALID_40, INVALID, WLAN_RC_PHY_HT_40_DS, 270000, /* 270 Mb */
-			192100, 0x8f, 0x00, 15,
-			8, 23, 3, 27, 44, 45, 45, 133600 },
-		{ VALID_40, INVALID, WLAN_RC_PHY_HT_40_DS_HGI, 300000, /* 300 Mb */
-			207000, 0x8f, 0x00, 15,
-			8, 25, 3, 27, 44, 45, 45, 148400 },
-		},
-	50,  /* probe interval */
-	50,  /* rssi reduce interval */
-	WLAN_RC_HT_FLAG,  /* Phy rates allowed initially */
-};
-
-static struct ath_rate_table ar5416_11a_ratetable = {
-	8,
-	{
-		{ VALID, VALID, WLAN_RC_PHY_OFDM, 6000, /* 6 Mb */
-			5400, 0x0b, 0x00, (0x80|12),
-			0, 2, 1, 0, 0 },
-		{ VALID, VALID, WLAN_RC_PHY_OFDM, 9000, /* 9 Mb */
-			7800, 0x0f, 0x00, 18,
-			0, 3, 1, 1, 0 },
-		{ VALID, VALID, WLAN_RC_PHY_OFDM, 12000, /* 12 Mb */
-			10000, 0x0a, 0x00, (0x80|24),
-			2, 4, 2, 2, 0 },
-		{ VALID, VALID, WLAN_RC_PHY_OFDM, 18000, /* 18 Mb */
-			13900, 0x0e, 0x00, 36,
-			2, 6, 2, 3, 0 },
-		{ VALID, VALID, WLAN_RC_PHY_OFDM, 24000, /* 24 Mb */
-			17300, 0x09, 0x00, (0x80|48),
-			4, 10, 3, 4, 0 },
-		{ VALID, VALID, WLAN_RC_PHY_OFDM, 36000, /* 36 Mb */
-			23000, 0x0d, 0x00, 72,
-			4, 14, 3, 5, 0 },
-		{ VALID, VALID, WLAN_RC_PHY_OFDM, 48000, /* 48 Mb */
-			27400, 0x08, 0x00, 96,
-			4, 19, 3, 6, 0 },
-		{ VALID, VALID, WLAN_RC_PHY_OFDM, 54000, /* 54 Mb */
-			29300, 0x0c, 0x00, 108,
-			4, 23, 3, 7, 0 },
-	},
-	50,  /* probe interval */
-	50,  /* rssi reduce interval */
-	0,   /* Phy rates allowed initially */
-};
-
-static struct ath_rate_table ar5416_11g_ratetable = {
-	12,
-	{
-		{ VALID, VALID, WLAN_RC_PHY_CCK, 1000, /* 1 Mb */
-			900, 0x1b, 0x00, 2,
-			0, 0, 1, 0, 0 },
-		{ VALID, VALID, WLAN_RC_PHY_CCK, 2000, /* 2 Mb */
-			1900, 0x1a, 0x04, 4,
-			1, 1, 1, 1, 0 },
-		{ VALID, VALID, WLAN_RC_PHY_CCK, 5500, /* 5.5 Mb */
-			4900, 0x19, 0x04, 11,
-			2, 2, 2, 2, 0 },
-		{ VALID, VALID, WLAN_RC_PHY_CCK, 11000, /* 11 Mb */
-			8100, 0x18, 0x04, 22,
-			3, 3, 2, 3, 0 },
-		{ INVALID, INVALID, WLAN_RC_PHY_OFDM, 6000, /* 6 Mb */
-			5400, 0x0b, 0x00, 12,
-			4, 2, 1, 4, 0 },
-		{ INVALID, INVALID, WLAN_RC_PHY_OFDM, 9000, /* 9 Mb */
-			7800, 0x0f, 0x00, 18,
-			4, 3, 1, 5, 0 },
-		{ VALID, VALID, WLAN_RC_PHY_OFDM, 12000, /* 12 Mb */
-			10000, 0x0a, 0x00, 24,
-			6, 4, 1, 6, 0 },
-		{ VALID, VALID, WLAN_RC_PHY_OFDM, 18000, /* 18 Mb */
-			13900, 0x0e, 0x00, 36,
-			6, 6, 2, 7, 0 },
-		{ VALID, VALID, WLAN_RC_PHY_OFDM, 24000, /* 24 Mb */
-			17300, 0x09, 0x00, 48,
-			8, 10, 3, 8, 0 },
-		{ VALID, VALID, WLAN_RC_PHY_OFDM, 36000, /* 36 Mb */
-			23000, 0x0d, 0x00, 72,
-			8, 14, 3, 9, 0 },
-		{ VALID, VALID, WLAN_RC_PHY_OFDM, 48000, /* 48 Mb */
-			27400, 0x08, 0x00, 96,
-			8, 19, 3, 10, 0 },
-		{ VALID, VALID, WLAN_RC_PHY_OFDM, 54000, /* 54 Mb */
-			29300, 0x0c, 0x00, 108,
-			8, 23, 3, 11, 0 },
-	},
-	50,  /* probe interval */
-	50,  /* rssi reduce interval */
-	0,   /* Phy rates allowed initially */
-};
-
-static struct ath_rate_table ar5416_11b_ratetable = {
-	4,
-	{
-		{ VALID, VALID, WLAN_RC_PHY_CCK, 1000, /* 1 Mb */
-			900, 0x1b,  0x00, (0x80|2),
-			0, 0, 1, 0, 0 },
-		{ VALID, VALID, WLAN_RC_PHY_CCK, 2000, /* 2 Mb */
-			1800, 0x1a, 0x04, (0x80|4),
-			1, 1, 1, 1, 0 },
-		{ VALID, VALID, WLAN_RC_PHY_CCK, 5500, /* 5.5 Mb */
-			4300, 0x19, 0x04, (0x80|11),
-			1, 2, 2, 2, 0 },
-		{ VALID, VALID, WLAN_RC_PHY_CCK, 11000, /* 11 Mb */
-			7100, 0x18, 0x04, (0x80|22),
-			1, 4, 100, 3, 0 },
-	},
-	100, /* probe interval */
-	100, /* rssi reduce interval */
-	0,   /* Phy rates allowed initially */
-};
-
-static inline int8_t median(int8_t a, int8_t b, int8_t c)
-{
-	if (a >= b) {
-		if (b >= c)
-			return b;
-		else if (a > c)
-			return c;
-		else
-			return a;
-	} else {
-		if (a >= c)
-			return a;
-		else if (b >= c)
-			return c;
-		else
-			return b;
-	}
-}
-
-static void ath_rc_sort_validrates(struct ath_rate_table *rate_table,
-				   struct ath_rate_priv *ath_rc_priv)
-{
-	u8 i, j, idx, idx_next;
-
-	for (i = ath_rc_priv->max_valid_rate - 1; i > 0; i--) {
-		for (j = 0; j <= i-1; j++) {
-			idx = ath_rc_priv->valid_rate_index[j];
-			idx_next = ath_rc_priv->valid_rate_index[j+1];
-
-			if (rate_table->info[idx].ratekbps >
-				rate_table->info[idx_next].ratekbps) {
-				ath_rc_priv->valid_rate_index[j] = idx_next;
-				ath_rc_priv->valid_rate_index[j+1] = idx;
-			}
-		}
-	}
-}
-
-static void ath_rc_init_valid_txmask(struct ath_rate_priv *ath_rc_priv)
-{
-	u8 i;
-
-	for (i = 0; i < ath_rc_priv->rate_table_size; i++)
-		ath_rc_priv->valid_rate_index[i] = 0;
-}
-
-static inline void ath_rc_set_valid_txmask(struct ath_rate_priv *ath_rc_priv,
-					   u8 index, int valid_tx_rate)
-{
-	ASSERT(index <= ath_rc_priv->rate_table_size);
-	ath_rc_priv->valid_rate_index[index] = valid_tx_rate ? 1 : 0;
-}
-
-static inline int ath_rc_isvalid_txmask(struct ath_rate_priv *ath_rc_priv,
-					u8 index)
-{
-	ASSERT(index <= ath_rc_priv->rate_table_size);
-	return ath_rc_priv->valid_rate_index[index];
-}
-
-static inline int ath_rc_get_nextvalid_txrate(struct ath_rate_table *rate_table,
-					      struct ath_rate_priv *ath_rc_priv,
-					      u8 cur_valid_txrate,
-					      u8 *next_idx)
-{
-	u8 i;
-
-	for (i = 0; i < ath_rc_priv->max_valid_rate - 1; i++) {
-		if (ath_rc_priv->valid_rate_index[i] == cur_valid_txrate) {
-			*next_idx = ath_rc_priv->valid_rate_index[i+1];
-			return 1;
-		}
-	}
-
-	/* No more valid rates */
-	*next_idx = 0;
-
-	return 0;
-}
-
-/* Return true only for single stream */
-
-static int ath_rc_valid_phyrate(u32 phy, u32 capflag, int ignore_cw)
-{
-	if (WLAN_RC_PHY_HT(phy) && !(capflag & WLAN_RC_HT_FLAG))
-		return 0;
-	if (WLAN_RC_PHY_DS(phy) && !(capflag & WLAN_RC_DS_FLAG))
-		return 0;
-	if (WLAN_RC_PHY_SGI(phy) && !(capflag & WLAN_RC_SGI_FLAG))
-		return 0;
-	if (!ignore_cw && WLAN_RC_PHY_HT(phy))
-		if (WLAN_RC_PHY_40(phy) && !(capflag & WLAN_RC_40_FLAG))
-			return 0;
-		if (!WLAN_RC_PHY_40(phy) && (capflag & WLAN_RC_40_FLAG))
-			return 0;
-	return 1;
-}
-
-static inline int
-ath_rc_get_nextlowervalid_txrate(struct ath_rate_table *rate_table,
-				 struct ath_rate_priv *ath_rc_priv,
-				 u8 cur_valid_txrate, u8 *next_idx)
-{
-	int8_t i;
-
-	for (i = 1; i < ath_rc_priv->max_valid_rate ; i++) {
-		if (ath_rc_priv->valid_rate_index[i] == cur_valid_txrate) {
-			*next_idx = ath_rc_priv->valid_rate_index[i-1];
-			return 1;
-		}
-	}
-
-	return 0;
-}
-
-static u8 ath_rc_init_validrates(struct ath_rate_priv *ath_rc_priv,
-				 struct ath_rate_table *rate_table,
-				 u32 capflag)
-{
-	u8 i, hi = 0;
-	u32 valid;
-
-	for (i = 0; i < rate_table->rate_cnt; i++) {
-		valid = (!(ath_rc_priv->ht_cap & WLAN_RC_DS_FLAG) ?
-			 rate_table->info[i].valid_single_stream :
-			 rate_table->info[i].valid);
-		if (valid == 1) {
-			u32 phy = rate_table->info[i].phy;
-			u8 valid_rate_count = 0;
-
-			if (!ath_rc_valid_phyrate(phy, capflag, 0))
-				continue;
-
-			valid_rate_count = ath_rc_priv->valid_phy_ratecnt[phy];
-
-			ath_rc_priv->valid_phy_rateidx[phy][valid_rate_count] = i;
-			ath_rc_priv->valid_phy_ratecnt[phy] += 1;
-			ath_rc_set_valid_txmask(ath_rc_priv, i, 1);
-			hi = A_MAX(hi, i);
-		}
-	}
-
-	return hi;
-}
-
-static u8 ath_rc_setvalid_rates(struct ath_rate_priv *ath_rc_priv,
-				struct ath_rate_table *rate_table,
-				struct ath_rateset *rateset,
-				u32 capflag)
-{
-	u8 i, j, hi = 0;
-
-	/* Use intersection of working rates and valid rates */
-	for (i = 0; i < rateset->rs_nrates; i++) {
-		for (j = 0; j < rate_table->rate_cnt; j++) {
-			u32 phy = rate_table->info[j].phy;
-			u32 valid = (!(ath_rc_priv->ht_cap & WLAN_RC_DS_FLAG) ?
-				     rate_table->info[j].valid_single_stream :
-				     rate_table->info[j].valid);
-			u8 rate = rateset->rs_rates[i];
-			u8 dot11rate = rate_table->info[j].dot11rate;
-
-			/* We allow a rate only if its valid and the
-			 * capflag matches one of the validity
-			 * (VALID/VALID_20/VALID_40) flags */
-
-			if (((rate & 0x7F) == (dot11rate & 0x7F)) &&
-			    ((valid & WLAN_RC_CAP_MODE(capflag)) ==
-			     WLAN_RC_CAP_MODE(capflag)) &&
-			    !WLAN_RC_PHY_HT(phy)) {
-				u8 valid_rate_count = 0;
-
-				if (!ath_rc_valid_phyrate(phy, capflag, 0))
-					continue;
-
-				valid_rate_count =
-					ath_rc_priv->valid_phy_ratecnt[phy];
-
-				ath_rc_priv->valid_phy_rateidx[phy]
-					[valid_rate_count] = j;
-				ath_rc_priv->valid_phy_ratecnt[phy] += 1;
-				ath_rc_set_valid_txmask(ath_rc_priv, j, 1);
-				hi = A_MAX(hi, j);
-			}
-		}
-	}
-
-	return hi;
-}
-
-static u8 ath_rc_setvalid_htrates(struct ath_rate_priv *ath_rc_priv,
-				  struct ath_rate_table *rate_table,
-				  u8 *mcs_set, u32 capflag)
-{
-	struct ath_rateset *rateset = (struct ath_rateset *)mcs_set;
-
-	u8 i, j, hi = 0;
-
-	/* Use intersection of working rates and valid rates */
-	for (i = 0; i < rateset->rs_nrates; i++) {
-		for (j = 0; j < rate_table->rate_cnt; j++) {
-			u32 phy = rate_table->info[j].phy;
-			u32 valid = (!(ath_rc_priv->ht_cap & WLAN_RC_DS_FLAG) ?
-				     rate_table->info[j].valid_single_stream :
-				     rate_table->info[j].valid);
-			u8 rate = rateset->rs_rates[i];
-			u8 dot11rate = rate_table->info[j].dot11rate;
-
-			if (((rate & 0x7F) != (dot11rate & 0x7F)) ||
-			    !WLAN_RC_PHY_HT(phy) ||
-			    !WLAN_RC_PHY_HT_VALID(valid, capflag))
-				continue;
-
-			if (!ath_rc_valid_phyrate(phy, capflag, 0))
-				continue;
-
-			ath_rc_priv->valid_phy_rateidx[phy]
-				[ath_rc_priv->valid_phy_ratecnt[phy]] = j;
-			ath_rc_priv->valid_phy_ratecnt[phy] += 1;
-			ath_rc_set_valid_txmask(ath_rc_priv, j, 1);
-			hi = A_MAX(hi, j);
-		}
-	}
-
-	return hi;
-}
-
-static u8 ath_rc_ratefind_ht(struct ath_softc *sc,
-			     struct ath_rate_priv *ath_rc_priv,
-			     struct ath_rate_table *rate_table,
-			     int *is_probing)
-{
-	u32 dt, best_thruput, this_thruput, now_msec;
-	u8 rate, next_rate, best_rate, maxindex, minindex;
-	int8_t  rssi_last, rssi_reduce = 0, index = 0;
-
-	*is_probing = 0;
-
-	rssi_last = median(ath_rc_priv->rssi_last,
-			   ath_rc_priv->rssi_last_prev,
-			   ath_rc_priv->rssi_last_prev2);
-
-	/*
-	 * Age (reduce) last ack rssi based on how old it is.
-	 * The bizarre numbers are so the delta is 160msec,
-	 * meaning we divide by 16.
-	 *   0msec   <= dt <= 25msec:   don't derate
-	 *   25msec  <= dt <= 185msec:  derate linearly from 0 to 10dB
-	 *   185msec <= dt:             derate by 10dB
-	 */
-
-	now_msec = jiffies_to_msecs(jiffies);
-	dt = now_msec - ath_rc_priv->rssi_time;
-
-	if (dt >= 185)
-		rssi_reduce = 10;
-	else if (dt >= 25)
-		rssi_reduce = (u8)((dt - 25) >> 4);
-
-	/* Now reduce rssi_last by rssi_reduce */
-	if (rssi_last < rssi_reduce)
-		rssi_last = 0;
-	else
-		rssi_last -= rssi_reduce;
-
-	/*
-	 * Now look up the rate in the rssi table and return it.
-	 * If no rates match then we return 0 (lowest rate)
-	 */
-
-	best_thruput = 0;
-	maxindex = ath_rc_priv->max_valid_rate-1;
-
-	minindex = 0;
-	best_rate = minindex;
-
-	/*
-	 * Try the higher rate first. It will reduce memory moving time
-	 * if we have very good channel characteristics.
-	 */
-	for (index = maxindex; index >= minindex ; index--) {
-		u8 per_thres;
-
-		rate = ath_rc_priv->valid_rate_index[index];
-		if (rate > ath_rc_priv->rate_max_phy)
-			continue;
-
-		/*
-		 * For TCP the average collision rate is around 11%,
-		 * so we ignore PERs less than this.  This is to
-		 * prevent the rate we are currently using (whose
-		 * PER might be in the 10-15 range because of TCP
-		 * collisions) looking worse than the next lower
-		 * rate whose PER has decayed close to 0.  If we
-		 * used to next lower rate, its PER would grow to
-		 * 10-15 and we would be worse off then staying
-		 * at the current rate.
-		 */
-		per_thres = ath_rc_priv->state[rate].per;
-		if (per_thres < 12)
-			per_thres = 12;
-
-		this_thruput = rate_table->info[rate].user_ratekbps *
-			(100 - per_thres);
-
-		if (best_thruput <= this_thruput) {
-			best_thruput = this_thruput;
-			best_rate    = rate;
-		}
-	}
-
-	rate = best_rate;
-	ath_rc_priv->rssi_last_lookup = rssi_last;
-
-	/*
-	 * Must check the actual rate (ratekbps) to account for
-	 * non-monoticity of 11g's rate table
-	 */
-
-	if (rate >= ath_rc_priv->rate_max_phy) {
-		rate = ath_rc_priv->rate_max_phy;
-
-		/* Probe the next allowed phy state */
-		if (ath_rc_get_nextvalid_txrate(rate_table,
-					ath_rc_priv, rate, &next_rate) &&
-		    (now_msec - ath_rc_priv->probe_time >
-		     rate_table->probe_interval) &&
-		    (ath_rc_priv->hw_maxretry_pktcnt >= 1)) {
-			rate = next_rate;
-			ath_rc_priv->probe_rate = rate;
-			ath_rc_priv->probe_time = now_msec;
-			ath_rc_priv->hw_maxretry_pktcnt = 0;
-			*is_probing = 1;
-		}
-	}
-
-	if (rate > (ath_rc_priv->rate_table_size - 1))
-		rate = ath_rc_priv->rate_table_size - 1;
-
-	ASSERT((rate_table->info[rate].valid &&
-		(ath_rc_priv->ht_cap & WLAN_RC_DS_FLAG)) ||
-	       (rate_table->info[rate].valid_single_stream &&
-		!(ath_rc_priv->ht_cap & WLAN_RC_DS_FLAG)));
-
-	return rate;
-}
-
-static void ath_rc_rate_set_series(struct ath_rate_table *rate_table,
-				   struct ieee80211_tx_rate *rate,
-				   struct ieee80211_tx_rate_control *txrc,
-				   u8 tries, u8 rix, int rtsctsenable)
-{
-	rate->count = tries;
-	rate->idx = rix;
-
-	if (txrc->short_preamble)
-		rate->flags |= IEEE80211_TX_RC_USE_SHORT_PREAMBLE;
-	if (txrc->rts || rtsctsenable)
-		rate->flags |= IEEE80211_TX_RC_USE_RTS_CTS;
-	if (WLAN_RC_PHY_40(rate_table->info[rix].phy))
-		rate->flags |= IEEE80211_TX_RC_40_MHZ_WIDTH;
-	if (WLAN_RC_PHY_SGI(rate_table->info[rix].phy))
-		rate->flags |= IEEE80211_TX_RC_SHORT_GI;
-	if (WLAN_RC_PHY_HT(rate_table->info[rix].phy))
-		rate->flags |= IEEE80211_TX_RC_MCS;
-}
-
-static void ath_rc_rate_set_rtscts(struct ath_softc *sc,
-				   struct ath_rate_table *rate_table,
-				   struct ieee80211_tx_info *tx_info)
-{
-	struct ieee80211_tx_rate *rates = tx_info->control.rates;
-	int i = 0, rix = 0, cix, enable_g_protection = 0;
-
-	/* get the cix for the lowest valid rix */
-	for (i = 3; i >= 0; i--) {
-		if (rates[i].count && (rates[i].idx >= 0)) {
-			rix = rates[i].idx;
-			break;
-		}
-	}
-	cix = rate_table->info[rix].ctrl_rate;
-
-	/* All protection frames are transmited at 2Mb/s for 802.11g,
-	 * otherwise we transmit them at 1Mb/s */
-	if (sc->hw->conf.channel->band == IEEE80211_BAND_2GHZ &&
-	    !conf_is_ht(&sc->hw->conf))
-		enable_g_protection = 1;
-
-	/*
-	 * If 802.11g protection is enabled, determine whether to use RTS/CTS or
-	 * just CTS.  Note that this is only done for OFDM/HT unicast frames.
-	 */
-	if ((sc->sc_flags & SC_OP_PROTECT_ENABLE) &&
-	    !(tx_info->flags & IEEE80211_TX_CTL_NO_ACK) &&
-	    (rate_table->info[rix].phy == WLAN_RC_PHY_OFDM ||
-	     WLAN_RC_PHY_HT(rate_table->info[rix].phy))) {
-		rates[0].flags |= IEEE80211_TX_RC_USE_CTS_PROTECT;
-		cix = rate_table->info[enable_g_protection].ctrl_rate;
-	}
-
-	tx_info->control.rts_cts_rate_idx = cix;
-}
-
-static u8 ath_rc_rate_getidx(struct ath_softc *sc,
-			     struct ath_rate_priv *ath_rc_priv,
-			     struct ath_rate_table *rate_table,
-			     u8 rix, u16 stepdown,
-			     u16 min_rate)
-{
-	u32 j;
-	u8 nextindex;
-
-	if (min_rate) {
-		for (j = RATE_TABLE_SIZE; j > 0; j--) {
-			if (ath_rc_get_nextlowervalid_txrate(rate_table,
-						ath_rc_priv, rix, &nextindex))
-				rix = nextindex;
-			else
-				break;
-		}
-	} else {
-		for (j = stepdown; j > 0; j--) {
-			if (ath_rc_get_nextlowervalid_txrate(rate_table,
-						ath_rc_priv, rix, &nextindex))
-				rix = nextindex;
-			else
-				break;
-		}
-	}
-	return rix;
-}
-
-static void ath_rc_ratefind(struct ath_softc *sc,
-			    struct ath_rate_priv *ath_rc_priv,
-			    struct ieee80211_tx_rate_control *txrc)
-{
-	struct ath_rate_table *rate_table;
-	struct sk_buff *skb = txrc->skb;
-	struct ieee80211_tx_info *tx_info = IEEE80211_SKB_CB(skb);
-	struct ieee80211_tx_rate *rates = tx_info->control.rates;
-	struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)skb->data;
-	__le16 fc = hdr->frame_control;
-	u8 try_per_rate = 0, i = 0, rix, nrix;
-	int is_probe = 0;
-
-	rate_table = sc->cur_rate_table;
-	rix = ath_rc_ratefind_ht(sc, ath_rc_priv, rate_table, &is_probe);
-	nrix = rix;
-
-	if (is_probe) {
-		/* set one try for probe rates. For the
-		 * probes don't enable rts */
-		ath_rc_rate_set_series(rate_table, &rates[i++], txrc,
-				       1, nrix, 0);
-
-		try_per_rate = (ATH_11N_TXMAXTRY/4);
-		/* Get the next tried/allowed rate. No RTS for the next series
-		 * after the probe rate
-		 */
-		nrix = ath_rc_rate_getidx(sc, ath_rc_priv,
-					  rate_table, nrix, 1, 0);
-		ath_rc_rate_set_series(rate_table, &rates[i++], txrc,
-				       try_per_rate, nrix, 0);
-
-		tx_info->flags |= IEEE80211_TX_CTL_RATE_CTRL_PROBE;
-	} else {
-		try_per_rate = (ATH_11N_TXMAXTRY/4);
-		/* Set the choosen rate. No RTS for first series entry. */
-		ath_rc_rate_set_series(rate_table, &rates[i++], txrc,
-				       try_per_rate, nrix, 0);
-	}
-
-	/* Fill in the other rates for multirate retry */
-	for ( ; i < 4; i++) {
-		u8 try_num;
-		u8 min_rate;
-
-		try_num = ((i + 1) == 4) ?
-			ATH_11N_TXMAXTRY - (try_per_rate * i) : try_per_rate ;
-		min_rate = (((i + 1) == 4) && 0);
-
-		nrix = ath_rc_rate_getidx(sc, ath_rc_priv,
-					  rate_table, nrix, 1, min_rate);
-		/* All other rates in the series have RTS enabled */
-		ath_rc_rate_set_series(rate_table, &rates[i], txrc,
-				       try_num, nrix, 1);
-	}
-
-	/*
-	 * NB:Change rate series to enable aggregation when operating
-	 * at lower MCS rates. When first rate in series is MCS2
-	 * in HT40 @ 2.4GHz, series should look like:
-	 *
-	 * {MCS2, MCS1, MCS0, MCS0}.
-	 *
-	 * When first rate in series is MCS3 in HT20 @ 2.4GHz, series should
-	 * look like:
-	 *
-	 * {MCS3, MCS2, MCS1, MCS1}
-	 *
-	 * So, set fourth rate in series to be same as third one for
-	 * above conditions.
-	 */
-	if ((sc->hw->conf.channel->band == IEEE80211_BAND_2GHZ) &&
-	    (conf_is_ht(&sc->hw->conf))) {
-		u8 dot11rate = rate_table->info[rix].dot11rate;
-		u8 phy = rate_table->info[rix].phy;
-		if (i == 4 &&
-		    ((dot11rate == 2 && phy == WLAN_RC_PHY_HT_40_SS) ||
-		     (dot11rate == 3 && phy == WLAN_RC_PHY_HT_20_SS))) {
-			rates[3].idx = rates[2].idx;
-			rates[3].flags = rates[2].flags;
-		}
-	}
-
-	/*
-	 * Force hardware to use computed duration for next
-	 * fragment by disabling multi-rate retry, which
-	 * updates duration based on the multi-rate duration table.
-	 *
-	 * FIXME: Fix duration
-	 */
-	if (!(tx_info->flags & IEEE80211_TX_CTL_NO_ACK) &&
-	    (ieee80211_has_morefrags(fc) ||
-	     (le16_to_cpu(hdr->seq_ctrl) & IEEE80211_SCTL_FRAG))) {
-		rates[1].count = rates[2].count = rates[3].count = 0;
-		rates[1].idx = rates[2].idx = rates[3].idx = 0;
-		rates[0].count = ATH_TXMAXTRY;
-	}
-
-	/* Setup RTS/CTS */
-	ath_rc_rate_set_rtscts(sc, rate_table, tx_info);
-}
-
-static bool ath_rc_update_per(struct ath_softc *sc,
-			      struct ath_rate_table *rate_table,
-			      struct ath_rate_priv *ath_rc_priv,
-			      struct ath_tx_info_priv *tx_info_priv,
-			      int tx_rate, int xretries, int retries,
-			      u32 now_msec)
-{
-	bool state_change = false;
-	int count;
-	u8 last_per;
-	static u32 nretry_to_per_lookup[10] = {
-		100 * 0 / 1,
-		100 * 1 / 4,
-		100 * 1 / 2,
-		100 * 3 / 4,
-		100 * 4 / 5,
-		100 * 5 / 6,
-		100 * 6 / 7,
-		100 * 7 / 8,
-		100 * 8 / 9,
-		100 * 9 / 10
-	};
-
-	last_per = ath_rc_priv->state[tx_rate].per;
-
-	if (xretries) {
-		if (xretries == 1) {
-			ath_rc_priv->state[tx_rate].per += 30;
-			if (ath_rc_priv->state[tx_rate].per > 100)
-				ath_rc_priv->state[tx_rate].per = 100;
-		} else {
-			/* xretries == 2 */
-			count = ARRAY_SIZE(nretry_to_per_lookup);
-			if (retries >= count)
-				retries = count - 1;
-
-			/* new_PER = 7/8*old_PER + 1/8*(currentPER) */
-			ath_rc_priv->state[tx_rate].per =
-				(u8)(last_per - (last_per >> 3) + (100 >> 3));
-		}
-
-		/* xretries == 1 or 2 */
-
-		if (ath_rc_priv->probe_rate == tx_rate)
-			ath_rc_priv->probe_rate = 0;
-
-	} else { /* xretries == 0 */
-		count = ARRAY_SIZE(nretry_to_per_lookup);
-		if (retries >= count)
-			retries = count - 1;
-
-		if (tx_info_priv->n_bad_frames) {
-			/* new_PER = 7/8*old_PER + 1/8*(currentPER)
-			 * Assuming that n_frames is not 0.  The current PER
-			 * from the retries is 100 * retries / (retries+1),
-			 * since the first retries attempts failed, and the
-			 * next one worked.  For the one that worked,
-			 * n_bad_frames subframes out of n_frames wored,
-			 * so the PER for that part is
-			 * 100 * n_bad_frames / n_frames, and it contributes
-			 * 100 * n_bad_frames / (n_frames * (retries+1)) to
-			 * the above PER.  The expression below is a
-			 * simplified version of the sum of these two terms.
-			 */
-			if (tx_info_priv->n_frames > 0) {
-				int n_frames, n_bad_frames;
-				u8 cur_per, new_per;
-
-				n_bad_frames = retries * tx_info_priv->n_frames +
-					tx_info_priv->n_bad_frames;
-				n_frames = tx_info_priv->n_frames * (retries + 1);
-				cur_per = (100 * n_bad_frames / n_frames) >> 3;
-				new_per = (u8)(last_per - (last_per >> 3) + cur_per);
-				ath_rc_priv->state[tx_rate].per = new_per;
-			}
-		} else {
-			ath_rc_priv->state[tx_rate].per =
-				(u8)(last_per - (last_per >> 3) +
-				     (nretry_to_per_lookup[retries] >> 3));
-		}
-
-		ath_rc_priv->rssi_last_prev2 = ath_rc_priv->rssi_last_prev;
-		ath_rc_priv->rssi_last_prev  = ath_rc_priv->rssi_last;
-		ath_rc_priv->rssi_last = tx_info_priv->tx.ts_rssi;
-		ath_rc_priv->rssi_time = now_msec;
-
-		/*
-		 * If we got at most one retry then increase the max rate if
-		 * this was a probe.  Otherwise, ignore the probe.
-		 */
-		if (ath_rc_priv->probe_rate && ath_rc_priv->probe_rate == tx_rate) {
-			if (retries > 0 || 2 * tx_info_priv->n_bad_frames >
-				tx_info_priv->n_frames) {
-				/*
-				 * Since we probed with just a single attempt,
-				 * any retries means the probe failed.  Also,
-				 * if the attempt worked, but more than half
-				 * the subframes were bad then also consider
-				 * the probe a failure.
-				 */
-				ath_rc_priv->probe_rate = 0;
-			} else {
-				u8 probe_rate = 0;
-
-				ath_rc_priv->rate_max_phy =
-					ath_rc_priv->probe_rate;
-				probe_rate = ath_rc_priv->probe_rate;
-
-				if (ath_rc_priv->state[probe_rate].per > 30)
-					ath_rc_priv->state[probe_rate].per = 20;
-
-				ath_rc_priv->probe_rate = 0;
-
-				/*
-				 * Since this probe succeeded, we allow the next
-				 * probe twice as soon.  This allows the maxRate
-				 * to move up faster if the probes are
-				 * succesful.
-				 */
-				ath_rc_priv->probe_time =
-					now_msec - rate_table->probe_interval / 2;
-			}
-		}
-
-		if (retries > 0) {
-			/*
-			 * Don't update anything.  We don't know if
-			 * this was because of collisions or poor signal.
-			 *
-			 * Later: if rssi_ack is close to
-			 * ath_rc_priv->state[txRate].rssi_thres and we see lots
-			 * of retries, then we could increase
-			 * ath_rc_priv->state[txRate].rssi_thres.
-			 */
-			ath_rc_priv->hw_maxretry_pktcnt = 0;
-		} else {
-			int32_t rssi_ackAvg;
-			int8_t rssi_thres;
-			int8_t rssi_ack_vmin;
-
-			/*
-			 * It worked with no retries. First ignore bogus (small)
-			 * rssi_ack values.
-			 */
-			if (tx_rate == ath_rc_priv->rate_max_phy &&
-			    ath_rc_priv->hw_maxretry_pktcnt < 255) {
-				ath_rc_priv->hw_maxretry_pktcnt++;
-			}
-
-			if (tx_info_priv->tx.ts_rssi <
-			    rate_table->info[tx_rate].rssi_ack_validmin)
-				goto exit;
-
-			/* Average the rssi */
-			if (tx_rate != ath_rc_priv->rssi_sum_rate) {
-				ath_rc_priv->rssi_sum_rate = tx_rate;
-				ath_rc_priv->rssi_sum =
-					ath_rc_priv->rssi_sum_cnt = 0;
-			}
-
-			ath_rc_priv->rssi_sum += tx_info_priv->tx.ts_rssi;
-			ath_rc_priv->rssi_sum_cnt++;
-
-			if (ath_rc_priv->rssi_sum_cnt < 4)
-				goto exit;
-
-			rssi_ackAvg =
-				(ath_rc_priv->rssi_sum + 2) / 4;
-			rssi_thres =
-				ath_rc_priv->state[tx_rate].rssi_thres;
-			rssi_ack_vmin =
-				rate_table->info[tx_rate].rssi_ack_validmin;
-
-			ath_rc_priv->rssi_sum =
-				ath_rc_priv->rssi_sum_cnt = 0;
-
-			/* Now reduce the current rssi threshold */
-			if ((rssi_ackAvg < rssi_thres + 2) &&
-			    (rssi_thres > rssi_ack_vmin)) {
-				ath_rc_priv->state[tx_rate].rssi_thres--;
-			}
-
-			state_change = true;
-		}
-	}
-exit:
-	return state_change;
-}
-
-/* Update PER, RSSI and whatever else that the code thinks it is doing.
-   If you can make sense of all this, you really need to go out more. */
-
-static void ath_rc_update_ht(struct ath_softc *sc,
-			     struct ath_rate_priv *ath_rc_priv,
-			     struct ath_tx_info_priv *tx_info_priv,
-			     int tx_rate, int xretries, int retries)
-{
-#define CHK_RSSI(rate)					\
-	((ath_rc_priv->state[(rate)].rssi_thres +	\
-	  rate_table->info[(rate)].rssi_ack_deltamin) > \
-	 ath_rc_priv->state[(rate)+1].rssi_thres)
-
-	u32 now_msec = jiffies_to_msecs(jiffies);
-	int rate;
-	u8 last_per;
-	bool state_change = false;
-	struct ath_rate_table *rate_table = sc->cur_rate_table;
-	int size = ath_rc_priv->rate_table_size;
-
-	if ((tx_rate < 0) || (tx_rate > rate_table->rate_cnt))
-		return;
-
-	/* To compensate for some imbalance between ctrl and ext. channel */
-
-	if (WLAN_RC_PHY_40(rate_table->info[tx_rate].phy))
-		tx_info_priv->tx.ts_rssi =
-			tx_info_priv->tx.ts_rssi < 3 ? 0 :
-			tx_info_priv->tx.ts_rssi - 3;
-
-	last_per = ath_rc_priv->state[tx_rate].per;
-
-	/* Update PER first */
-	state_change = ath_rc_update_per(sc, rate_table, ath_rc_priv,
-					 tx_info_priv, tx_rate, xretries,
-					 retries, now_msec);
-
-	/*
-	 * If this rate looks bad (high PER) then stop using it for
-	 * a while (except if we are probing).
-	 */
-	if (ath_rc_priv->state[tx_rate].per >= 55 && tx_rate > 0 &&
-	    rate_table->info[tx_rate].ratekbps <=
-	    rate_table->info[ath_rc_priv->rate_max_phy].ratekbps) {
-		ath_rc_get_nextlowervalid_txrate(rate_table, ath_rc_priv,
-				 (u8)tx_rate, &ath_rc_priv->rate_max_phy);
-
-		/* Don't probe for a little while. */
-		ath_rc_priv->probe_time = now_msec;
-	}
-
-	if (state_change) {
-		/*
-		 * Make sure the rates above this have higher rssi thresholds.
-		 * (Note:  Monotonicity is kept within the OFDM rates and
-		 *         within the CCK rates. However, no adjustment is
-		 *         made to keep the rssi thresholds monotonically
-		 *         increasing between the CCK and OFDM rates.)
-		 */
-		for (rate = tx_rate; rate < size - 1; rate++) {
-			if (rate_table->info[rate+1].phy !=
-			    rate_table->info[tx_rate].phy)
-				break;
-
-			if (CHK_RSSI(rate)) {
-				ath_rc_priv->state[rate+1].rssi_thres =
-					ath_rc_priv->state[rate].rssi_thres +
-					rate_table->info[rate].rssi_ack_deltamin;
-			}
-		}
-
-		/* Make sure the rates below this have lower rssi thresholds. */
-		for (rate = tx_rate - 1; rate >= 0; rate--) {
-			if (rate_table->info[rate].phy !=
-			    rate_table->info[tx_rate].phy)
-				break;
-
-			if (CHK_RSSI(rate)) {
-				if (ath_rc_priv->state[rate+1].rssi_thres <
-				    rate_table->info[rate].rssi_ack_deltamin)
-					ath_rc_priv->state[rate].rssi_thres = 0;
-				else {
-					ath_rc_priv->state[rate].rssi_thres =
-					ath_rc_priv->state[rate+1].rssi_thres -
-					rate_table->info[rate].rssi_ack_deltamin;
-				}
-
-				if (ath_rc_priv->state[rate].rssi_thres <
-				    rate_table->info[rate].rssi_ack_validmin) {
-					ath_rc_priv->state[rate].rssi_thres =
-					rate_table->info[rate].rssi_ack_validmin;
-				}
-			}
-		}
-	}
-
-	/* Make sure the rates below this have lower PER */
-	/* Monotonicity is kept only for rates below the current rate. */
-	if (ath_rc_priv->state[tx_rate].per < last_per) {
-		for (rate = tx_rate - 1; rate >= 0; rate--) {
-			if (rate_table->info[rate].phy !=
-			    rate_table->info[tx_rate].phy)
-				break;
-
-			if (ath_rc_priv->state[rate].per >
-			    ath_rc_priv->state[rate+1].per) {
-				ath_rc_priv->state[rate].per =
-					ath_rc_priv->state[rate+1].per;
-			}
-		}
-	}
-
-	/* Maintain monotonicity for rates above the current rate */
-	for (rate = tx_rate; rate < size - 1; rate++) {
-		if (ath_rc_priv->state[rate+1].per <
-		    ath_rc_priv->state[rate].per)
-			ath_rc_priv->state[rate+1].per =
-				ath_rc_priv->state[rate].per;
-	}
-
-	/* Every so often, we reduce the thresholds and
-	 * PER (different for CCK and OFDM). */
-	if (now_msec - ath_rc_priv->rssi_down_time >=
-	    rate_table->rssi_reduce_interval) {
-
-		for (rate = 0; rate < size; rate++) {
-			if (ath_rc_priv->state[rate].rssi_thres >
-			    rate_table->info[rate].rssi_ack_validmin)
-				ath_rc_priv->state[rate].rssi_thres -= 1;
-		}
-		ath_rc_priv->rssi_down_time = now_msec;
-	}
-
-	/* Every so often, we reduce the thresholds
-	 * and PER (different for CCK and OFDM). */
-	if (now_msec - ath_rc_priv->per_down_time >=
-	    rate_table->rssi_reduce_interval) {
-		for (rate = 0; rate < size; rate++) {
-			ath_rc_priv->state[rate].per =
-				7 * ath_rc_priv->state[rate].per / 8;
-		}
-
-		ath_rc_priv->per_down_time = now_msec;
-	}
-
-	ath_debug_stat_retries(sc, tx_rate, xretries, retries,
-			       ath_rc_priv->state[tx_rate].per);
-
-#undef CHK_RSSI
-}
-
-static int ath_rc_get_rateindex(struct ath_rate_table *rate_table,
-				struct ieee80211_tx_rate *rate)
-{
-	int rix;
-
-	if ((rate->flags & IEEE80211_TX_RC_40_MHZ_WIDTH) &&
-	    (rate->flags & IEEE80211_TX_RC_SHORT_GI))
-		rix = rate_table->info[rate->idx].ht_index;
-	else if (rate->flags & IEEE80211_TX_RC_SHORT_GI)
-		rix = rate_table->info[rate->idx].sgi_index;
-	else if (rate->flags & IEEE80211_TX_RC_40_MHZ_WIDTH)
-		rix = rate_table->info[rate->idx].cw40index;
-	else
-		rix = rate_table->info[rate->idx].base_index;
-
-	return rix;
-}
-
-static void ath_rc_tx_status(struct ath_softc *sc,
-			     struct ath_rate_priv *ath_rc_priv,
-			     struct ieee80211_tx_info *tx_info,
-			     int final_ts_idx, int xretries, int long_retry)
-{
-	struct ath_tx_info_priv *tx_info_priv = ATH_TX_INFO_PRIV(tx_info);
-	struct ath_rate_table *rate_table;
-	struct ieee80211_tx_rate *rates = tx_info->status.rates;
-	u8 flags;
-	u32 i = 0, rix;
-
-	rate_table = sc->cur_rate_table;
-
-	/*
-	 * If the first rate is not the final index, there
-	 * are intermediate rate failures to be processed.
-	 */
-	if (final_ts_idx != 0) {
-		/* Process intermediate rates that failed.*/
-		for (i = 0; i < final_ts_idx ; i++) {
-			if (rates[i].count != 0 && (rates[i].idx >= 0)) {
-				flags = rates[i].flags;
-
-				/* If HT40 and we have switched mode from
-				 * 40 to 20 => don't update */
-
-				if ((flags & IEEE80211_TX_RC_40_MHZ_WIDTH) &&
-				    !(ath_rc_priv->ht_cap & WLAN_RC_40_FLAG))
-					return;
-
-				rix = ath_rc_get_rateindex(rate_table, &rates[i]);
-				ath_rc_update_ht(sc, ath_rc_priv,
-						tx_info_priv, rix,
-						xretries ? 1 : 2,
-						rates[i].count);
-			}
-		}
-	} else {
-		/*
-		 * Handle the special case of MIMO PS burst, where the second
-		 * aggregate is sent out with only one rate and one try.
-		 * Treating it as an excessive retry penalizes the rate
-		 * inordinately.
-		 */
-		if (rates[0].count == 1 && xretries == 1)
-			xretries = 2;
-	}
-
-	flags = rates[i].flags;
-
-	/* If HT40 and we have switched mode from 40 to 20 => don't update */
-	if ((flags & IEEE80211_TX_RC_40_MHZ_WIDTH) &&
-	    !(ath_rc_priv->ht_cap & WLAN_RC_40_FLAG))
-		return;
-
-	rix = ath_rc_get_rateindex(rate_table, &rates[i]);
-	ath_rc_update_ht(sc, ath_rc_priv, tx_info_priv, rix,
-			 xretries, long_retry);
-}
-
-static struct ath_rate_table *ath_choose_rate_table(struct ath_softc *sc,
-						    enum ieee80211_band band,
-						    bool is_ht, bool is_cw_40)
-{
-	int mode = 0;
-
-	switch(band) {
-	case IEEE80211_BAND_2GHZ:
-		mode = ATH9K_MODE_11G;
-		if (is_ht)
-			mode = ATH9K_MODE_11NG_HT20;
-		if (is_cw_40)
-			mode = ATH9K_MODE_11NG_HT40PLUS;
-		break;
-	case IEEE80211_BAND_5GHZ:
-		mode = ATH9K_MODE_11A;
-		if (is_ht)
-			mode = ATH9K_MODE_11NA_HT20;
-		if (is_cw_40)
-			mode = ATH9K_MODE_11NA_HT40PLUS;
-		break;
-	default:
-		DPRINTF(sc, ATH_DBG_CONFIG, "Invalid band\n");
-		return NULL;
-	}
-
-	BUG_ON(mode >= ATH9K_MODE_MAX);
-
-	DPRINTF(sc, ATH_DBG_CONFIG, "Choosing rate table for mode: %d\n", mode);
-	return sc->hw_rate_table[mode];
-}
-
-static void ath_rc_init(struct ath_softc *sc,
-			struct ath_rate_priv *ath_rc_priv,
-			struct ieee80211_supported_band *sband,
-			struct ieee80211_sta *sta,
-			struct ath_rate_table *rate_table)
-{
-	struct ath_rateset *rateset = &ath_rc_priv->neg_rates;
-	u8 *ht_mcs = (u8 *)&ath_rc_priv->neg_ht_rates;
-	u8 i, j, k, hi = 0, hthi = 0;
-
-	if (!rate_table) {
-		DPRINTF(sc, ATH_DBG_FATAL, "Rate table not initialized\n");
-		return;
-	}
-
-	/* Initial rate table size. Will change depending
-	 * on the working rate set */
-	ath_rc_priv->rate_table_size = RATE_TABLE_SIZE;
-
-	/* Initialize thresholds according to the global rate table */
-	for (i = 0 ; i < ath_rc_priv->rate_table_size; i++) {
-		ath_rc_priv->state[i].rssi_thres =
-			rate_table->info[i].rssi_ack_validmin;
-		ath_rc_priv->state[i].per = 0;
-	}
-
-	/* Determine the valid rates */
-	ath_rc_init_valid_txmask(ath_rc_priv);
-
-	for (i = 0; i < WLAN_RC_PHY_MAX; i++) {
-		for (j = 0; j < MAX_TX_RATE_PHY; j++)
-			ath_rc_priv->valid_phy_rateidx[i][j] = 0;
-		ath_rc_priv->valid_phy_ratecnt[i] = 0;
-	}
-
-	if (!rateset->rs_nrates) {
-		/* No working rate, just initialize valid rates */
-		hi = ath_rc_init_validrates(ath_rc_priv, rate_table,
-					    ath_rc_priv->ht_cap);
-	} else {
-		/* Use intersection of working rates and valid rates */
-		hi = ath_rc_setvalid_rates(ath_rc_priv, rate_table,
-					   rateset, ath_rc_priv->ht_cap);
-		if (ath_rc_priv->ht_cap & WLAN_RC_HT_FLAG) {
-			hthi = ath_rc_setvalid_htrates(ath_rc_priv,
-						       rate_table,
-						       ht_mcs,
-						       ath_rc_priv->ht_cap);
-		}
-		hi = A_MAX(hi, hthi);
-	}
-
-	ath_rc_priv->rate_table_size = hi + 1;
-	ath_rc_priv->rate_max_phy = 0;
-	ASSERT(ath_rc_priv->rate_table_size <= RATE_TABLE_SIZE);
-
-	for (i = 0, k = 0; i < WLAN_RC_PHY_MAX; i++) {
-		for (j = 0; j < ath_rc_priv->valid_phy_ratecnt[i]; j++) {
-			ath_rc_priv->valid_rate_index[k++] =
-				ath_rc_priv->valid_phy_rateidx[i][j];
-		}
-
-		if (!ath_rc_valid_phyrate(i, rate_table->initial_ratemax, 1)
-		    || !ath_rc_priv->valid_phy_ratecnt[i])
-			continue;
-
-		ath_rc_priv->rate_max_phy = ath_rc_priv->valid_phy_rateidx[i][j-1];
-	}
-	ASSERT(ath_rc_priv->rate_table_size <= RATE_TABLE_SIZE);
-	ASSERT(k <= RATE_TABLE_SIZE);
-
-	ath_rc_priv->max_valid_rate = k;
-	ath_rc_sort_validrates(rate_table, ath_rc_priv);
-	ath_rc_priv->rate_max_phy = ath_rc_priv->valid_rate_index[k-4];
-	sc->cur_rate_table = rate_table;
-
-	DPRINTF(sc, ATH_DBG_CONFIG, "RC Initialized with capabilities: 0x%x\n",
-		ath_rc_priv->ht_cap);
-}
-
-static u8 ath_rc_build_ht_caps(struct ath_softc *sc, struct ieee80211_sta *sta,
-			       bool is_cw40, bool is_sgi40)
-{
-	u8 caps = 0;
-
-	if (sta->ht_cap.ht_supported) {
-		caps = WLAN_RC_HT_FLAG;
-		if (sc->sc_ah->caps.tx_chainmask != 1 &&
-		    ath9k_hw_getcapability(sc->sc_ah, ATH9K_CAP_DS, 0, NULL)) {
-			if (sta->ht_cap.mcs.rx_mask[1])
-				caps |= WLAN_RC_DS_FLAG;
-		}
-		if (is_cw40)
-			caps |= WLAN_RC_40_FLAG;
-		if (is_sgi40)
-			caps |= WLAN_RC_SGI_FLAG;
-	}
-
-	return caps;
-}
-
-/***********************************/
-/* mac80211 Rate Control callbacks */
-/***********************************/
-
-static void ath_tx_status(void *priv, struct ieee80211_supported_band *sband,
-			  struct ieee80211_sta *sta, void *priv_sta,
-			  struct sk_buff *skb)
-{
-	struct ath_softc *sc = priv;
-	struct ath_rate_priv *ath_rc_priv = priv_sta;
-	struct ath_tx_info_priv *tx_info_priv = NULL;
-	struct ieee80211_tx_info *tx_info = IEEE80211_SKB_CB(skb);
-	struct ieee80211_hdr *hdr;
-	int final_ts_idx, tx_status = 0, is_underrun = 0;
-	__le16 fc;
-
-	hdr = (struct ieee80211_hdr *)skb->data;
-	fc = hdr->frame_control;
-	tx_info_priv = ATH_TX_INFO_PRIV(tx_info);
-	final_ts_idx = tx_info_priv->tx.ts_rateindex;
-
-	if (!priv_sta || !ieee80211_is_data(fc) ||
-	    !tx_info_priv->update_rc)
-		goto exit;
-
-	if (tx_info_priv->tx.ts_status & ATH9K_TXERR_FILT)
-		goto exit;
-
-	/*
-	 * If underrun error is seen assume it as an excessive retry only
-	 * if prefetch trigger level have reached the max (0x3f for 5416)
-	 * Adjust the long retry as if the frame was tried ATH_11N_TXMAXTRY
-	 * times. This affects how ratectrl updates PER for the failed rate.
-	 */
-	if (tx_info_priv->tx.ts_flags &
-	    (ATH9K_TX_DATA_UNDERRUN | ATH9K_TX_DELIM_UNDERRUN) &&
-	    ((sc->sc_ah->tx_trig_level) >= ath_rc_priv->tx_triglevel_max)) {
-		tx_status = 1;
-		is_underrun = 1;
-	}
-
-	if ((tx_info_priv->tx.ts_status & ATH9K_TXERR_XRETRY) ||
-	    (tx_info_priv->tx.ts_status & ATH9K_TXERR_FIFO))
-		tx_status = 1;
-
-	ath_rc_tx_status(sc, ath_rc_priv, tx_info, final_ts_idx, tx_status,
-			 (is_underrun) ? ATH_11N_TXMAXTRY :
-			 tx_info_priv->tx.ts_longretry);
-
-	/* Check if aggregation has to be enabled for this tid */
-	if (conf_is_ht(&sc->hw->conf) &&
-	    !(skb->protocol == cpu_to_be16(ETH_P_PAE))) {
-		if (ieee80211_is_data_qos(fc)) {
-			u8 *qc, tid;
-			struct ath_node *an;
-
-			qc = ieee80211_get_qos_ctl(hdr);
-			tid = qc[0] & 0xf;
-			an = (struct ath_node *)sta->drv_priv;
-
-			if(ath_tx_aggr_check(sc, an, tid))
-				ieee80211_start_tx_ba_session(sc->hw, hdr->addr1, tid);
-		}
-	}
-
-	ath_debug_stat_rc(sc, skb);
-exit:
-	kfree(tx_info_priv);
-}
-
-static void ath_get_rate(void *priv, struct ieee80211_sta *sta, void *priv_sta,
-			 struct ieee80211_tx_rate_control *txrc)
-{
-	struct ieee80211_supported_band *sband = txrc->sband;
-	struct sk_buff *skb = txrc->skb;
-	struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)skb->data;
-	struct ieee80211_tx_info *tx_info = IEEE80211_SKB_CB(skb);
-	struct ath_softc *sc = priv;
-	struct ath_rate_priv *ath_rc_priv = priv_sta;
-	__le16 fc = hdr->frame_control;
-
-	/* lowest rate for management and multicast/broadcast frames */
-	if (!ieee80211_is_data(fc) || is_multicast_ether_addr(hdr->addr1) ||
-	    !sta) {
-		tx_info->control.rates[0].idx = rate_lowest_index(sband, sta);
-		tx_info->control.rates[0].count =
-			is_multicast_ether_addr(hdr->addr1) ? 1 : ATH_MGT_TXMAXTRY;
-		return;
-	}
-
-	/* Find tx rate for unicast frames */
-	ath_rc_ratefind(sc, ath_rc_priv, txrc);
-}
-
-static void ath_rate_init(void *priv, struct ieee80211_supported_band *sband,
-                          struct ieee80211_sta *sta, void *priv_sta)
-{
-	struct ath_softc *sc = priv;
-	struct ath_rate_priv *ath_rc_priv = priv_sta;
-	struct ath_rate_table *rate_table = NULL;
-	bool is_cw40, is_sgi40;
-	int i, j = 0;
-
-	for (i = 0; i < sband->n_bitrates; i++) {
-		if (sta->supp_rates[sband->band] & BIT(i)) {
-			ath_rc_priv->neg_rates.rs_rates[j]
-				= (sband->bitrates[i].bitrate * 2) / 10;
-			j++;
-		}
-	}
-	ath_rc_priv->neg_rates.rs_nrates = j;
-
-	if (sta->ht_cap.ht_supported) {
-		for (i = 0, j = 0; i < 77; i++) {
-			if (sta->ht_cap.mcs.rx_mask[i/8] & (1<<(i%8)))
-				ath_rc_priv->neg_ht_rates.rs_rates[j++] = i;
-			if (j == ATH_RATE_MAX)
-				break;
-		}
-		ath_rc_priv->neg_ht_rates.rs_nrates = j;
-	}
-
-	is_cw40 = sta->ht_cap.cap & IEEE80211_HT_CAP_SUP_WIDTH_20_40;
-	is_sgi40 = sta->ht_cap.cap & IEEE80211_HT_CAP_SGI_40;
-
-	/* Choose rate table first */
-
-	if ((sc->sc_ah->opmode == NL80211_IFTYPE_STATION) ||
-	    (sc->sc_ah->opmode == NL80211_IFTYPE_MESH_POINT) ||
-	    (sc->sc_ah->opmode == NL80211_IFTYPE_ADHOC)) {
-		rate_table = ath_choose_rate_table(sc, sband->band,
-						   sta->ht_cap.ht_supported,
-						   is_cw40);
-	} else if (sc->sc_ah->opmode == NL80211_IFTYPE_AP) {
-		/* cur_rate_table would be set on init through config() */
-		rate_table = sc->cur_rate_table;
-	}
-
-	ath_rc_priv->ht_cap = ath_rc_build_ht_caps(sc, sta, is_cw40, is_sgi40);
-	ath_rc_init(sc, priv_sta, sband, sta, rate_table);
-}
-
-static void ath_rate_update(void *priv, struct ieee80211_supported_band *sband,
-			    struct ieee80211_sta *sta, void *priv_sta,
-			    u32 changed)
-{
-	struct ath_softc *sc = priv;
-	struct ath_rate_priv *ath_rc_priv = priv_sta;
-	struct ath_rate_table *rate_table = NULL;
-	bool oper_cw40 = false, oper_sgi40;
-	bool local_cw40 = (ath_rc_priv->ht_cap & WLAN_RC_40_FLAG) ?
-		true : false;
-	bool local_sgi40 = (ath_rc_priv->ht_cap & WLAN_RC_SGI_FLAG) ?
-		true : false;
-
-	/* FIXME: Handle AP mode later when we support CWM */
-
-	if (changed & IEEE80211_RC_HT_CHANGED) {
-		if (sc->sc_ah->opmode != NL80211_IFTYPE_STATION)
-			return;
-
-		if (sc->hw->conf.channel_type == NL80211_CHAN_HT40MINUS ||
-		    sc->hw->conf.channel_type == NL80211_CHAN_HT40PLUS)
-			oper_cw40 = true;
-
-		oper_sgi40 = (sta->ht_cap.cap & IEEE80211_HT_CAP_SGI_40) ?
-			true : false;
-
-		if ((local_cw40 != oper_cw40) || (local_sgi40 != oper_sgi40)) {
-			rate_table = ath_choose_rate_table(sc, sband->band,
-						   sta->ht_cap.ht_supported,
-						   oper_cw40);
-			ath_rc_priv->ht_cap = ath_rc_build_ht_caps(sc, sta,
-						   oper_cw40, oper_sgi40);
-			ath_rc_init(sc, priv_sta, sband, sta, rate_table);
-
-			DPRINTF(sc, ATH_DBG_CONFIG,
-				"Operating HT Bandwidth changed to: %d\n",
-				sc->hw->conf.channel_type);
-		}
-	}
-}
-
-static void *ath_rate_alloc(struct ieee80211_hw *hw, struct dentry *debugfsdir)
-{
-	struct ath_wiphy *aphy = hw->priv;
-	return aphy->sc;
-}
-
-static void ath_rate_free(void *priv)
-{
-	return;
-}
-
-static void *ath_rate_alloc_sta(void *priv, struct ieee80211_sta *sta, gfp_t gfp)
-{
-	struct ath_softc *sc = priv;
-	struct ath_rate_priv *rate_priv;
-
-	rate_priv = kzalloc(sizeof(struct ath_rate_priv), gfp);
-	if (!rate_priv) {
-		DPRINTF(sc, ATH_DBG_FATAL,
-			"Unable to allocate private rc structure\n");
-		return NULL;
-	}
-
-	rate_priv->rssi_down_time = jiffies_to_msecs(jiffies);
-	rate_priv->tx_triglevel_max = sc->sc_ah->caps.tx_triglevel_max;
-
-	return rate_priv;
-}
-
-static void ath_rate_free_sta(void *priv, struct ieee80211_sta *sta,
-			      void *priv_sta)
-{
-	struct ath_rate_priv *rate_priv = priv_sta;
-	kfree(rate_priv);
-}
-
-static struct rate_control_ops ath_rate_ops = {
-	.module = NULL,
-	.name = "ath9k_rate_control",
-	.tx_status = ath_tx_status,
-	.get_rate = ath_get_rate,
-	.rate_init = ath_rate_init,
-	.rate_update = ath_rate_update,
-	.alloc = ath_rate_alloc,
-	.free = ath_rate_free,
-	.alloc_sta = ath_rate_alloc_sta,
-	.free_sta = ath_rate_free_sta,
-};
-
-void ath_rate_attach(struct ath_softc *sc)
-{
-	sc->hw_rate_table[ATH9K_MODE_11B] =
-		&ar5416_11b_ratetable;
-	sc->hw_rate_table[ATH9K_MODE_11A] =
-		&ar5416_11a_ratetable;
-	sc->hw_rate_table[ATH9K_MODE_11G] =
-		&ar5416_11g_ratetable;
-	sc->hw_rate_table[ATH9K_MODE_11NA_HT20] =
-		&ar5416_11na_ratetable;
-	sc->hw_rate_table[ATH9K_MODE_11NG_HT20] =
-		&ar5416_11ng_ratetable;
-	sc->hw_rate_table[ATH9K_MODE_11NA_HT40PLUS] =
-		&ar5416_11na_ratetable;
-	sc->hw_rate_table[ATH9K_MODE_11NA_HT40MINUS] =
-		&ar5416_11na_ratetable;
-	sc->hw_rate_table[ATH9K_MODE_11NG_HT40PLUS] =
-		&ar5416_11ng_ratetable;
-	sc->hw_rate_table[ATH9K_MODE_11NG_HT40MINUS] =
-		&ar5416_11ng_ratetable;
-}
-
-int ath_rate_control_register(void)
-{
-	return ieee80211_rate_control_register(&ath_rate_ops);
-}
-
-void ath_rate_control_unregister(void)
-{
-	ieee80211_rate_control_unregister(&ath_rate_ops);
-}