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01ebd063e1
Fixing various spelling errors and typos. Mostly in comments. In total 27 words were corrected, some of which occurred more than ones. Signed-Of-By: Ian Schram <ischram@telenet.be> Signed-off-by: Zhu Yi <yi.zhu@intel.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
211 lines
6.1 KiB
C
211 lines
6.1 KiB
C
/******************************************************************************
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*
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* Copyright(c) 2005 - 2007 Intel Corporation. All rights reserved.
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms of version 2 of the GNU General Public License as
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* published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
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* more details.
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*
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* You should have received a copy of the GNU General Public License along with
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* this program; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110, USA
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*
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* The full GNU General Public License is included in this distribution in the
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* file called LICENSE.
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*
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* Contact Information:
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* James P. Ketrenos <ipw2100-admin@linux.intel.com>
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* Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
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*
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*****************************************************************************/
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#ifndef __iwl_3945_rs_h__
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#define __iwl_3945_rs_h__
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struct iwl_rate_info {
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u8 plcp;
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u8 ieee;
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u8 prev_ieee; /* previous rate in IEEE speeds */
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u8 next_ieee; /* next rate in IEEE speeds */
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u8 prev_rs; /* previous rate used in rs algo */
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u8 next_rs; /* next rate used in rs algo */
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u8 prev_rs_tgg; /* previous rate used in TGG rs algo */
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u8 next_rs_tgg; /* next rate used in TGG rs algo */
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u8 table_rs_index; /* index in rate scale table cmd */
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u8 prev_table_rs; /* prev in rate table cmd */
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};
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enum {
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IWL_RATE_1M_INDEX = 0,
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IWL_RATE_2M_INDEX,
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IWL_RATE_5M_INDEX,
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IWL_RATE_11M_INDEX,
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IWL_RATE_6M_INDEX,
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IWL_RATE_9M_INDEX,
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IWL_RATE_12M_INDEX,
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IWL_RATE_18M_INDEX,
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IWL_RATE_24M_INDEX,
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IWL_RATE_36M_INDEX,
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IWL_RATE_48M_INDEX,
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IWL_RATE_54M_INDEX,
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IWL_RATE_COUNT,
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IWL_RATE_INVM_INDEX,
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IWL_RATE_INVALID = IWL_RATE_INVM_INDEX
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};
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enum {
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IWL_RATE_6M_INDEX_TABLE = 0,
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IWL_RATE_9M_INDEX_TABLE,
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IWL_RATE_12M_INDEX_TABLE,
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IWL_RATE_18M_INDEX_TABLE,
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IWL_RATE_24M_INDEX_TABLE,
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IWL_RATE_36M_INDEX_TABLE,
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IWL_RATE_48M_INDEX_TABLE,
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IWL_RATE_54M_INDEX_TABLE,
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IWL_RATE_1M_INDEX_TABLE,
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IWL_RATE_2M_INDEX_TABLE,
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IWL_RATE_5M_INDEX_TABLE,
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IWL_RATE_11M_INDEX_TABLE,
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IWL_RATE_INVM_INDEX_TABLE = IWL_RATE_INVM_INDEX,
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};
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enum {
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IWL_FIRST_OFDM_RATE = IWL_RATE_6M_INDEX,
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IWL_LAST_OFDM_RATE = IWL_RATE_54M_INDEX,
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IWL_FIRST_CCK_RATE = IWL_RATE_1M_INDEX,
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IWL_LAST_CCK_RATE = IWL_RATE_11M_INDEX,
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};
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/* #define vs. enum to keep from defaulting to 'large integer' */
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#define IWL_RATE_6M_MASK (1<<IWL_RATE_6M_INDEX)
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#define IWL_RATE_9M_MASK (1<<IWL_RATE_9M_INDEX)
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#define IWL_RATE_12M_MASK (1<<IWL_RATE_12M_INDEX)
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#define IWL_RATE_18M_MASK (1<<IWL_RATE_18M_INDEX)
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#define IWL_RATE_24M_MASK (1<<IWL_RATE_24M_INDEX)
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#define IWL_RATE_36M_MASK (1<<IWL_RATE_36M_INDEX)
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#define IWL_RATE_48M_MASK (1<<IWL_RATE_48M_INDEX)
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#define IWL_RATE_54M_MASK (1<<IWL_RATE_54M_INDEX)
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#define IWL_RATE_1M_MASK (1<<IWL_RATE_1M_INDEX)
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#define IWL_RATE_2M_MASK (1<<IWL_RATE_2M_INDEX)
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#define IWL_RATE_5M_MASK (1<<IWL_RATE_5M_INDEX)
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#define IWL_RATE_11M_MASK (1<<IWL_RATE_11M_INDEX)
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enum {
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IWL_RATE_6M_PLCP = 13,
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IWL_RATE_9M_PLCP = 15,
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IWL_RATE_12M_PLCP = 5,
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IWL_RATE_18M_PLCP = 7,
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IWL_RATE_24M_PLCP = 9,
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IWL_RATE_36M_PLCP = 11,
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IWL_RATE_48M_PLCP = 1,
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IWL_RATE_54M_PLCP = 3,
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IWL_RATE_1M_PLCP = 10,
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IWL_RATE_2M_PLCP = 20,
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IWL_RATE_5M_PLCP = 55,
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IWL_RATE_11M_PLCP = 110,
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};
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enum {
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IWL_RATE_6M_IEEE = 12,
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IWL_RATE_9M_IEEE = 18,
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IWL_RATE_12M_IEEE = 24,
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IWL_RATE_18M_IEEE = 36,
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IWL_RATE_24M_IEEE = 48,
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IWL_RATE_36M_IEEE = 72,
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IWL_RATE_48M_IEEE = 96,
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IWL_RATE_54M_IEEE = 108,
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IWL_RATE_1M_IEEE = 2,
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IWL_RATE_2M_IEEE = 4,
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IWL_RATE_5M_IEEE = 11,
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IWL_RATE_11M_IEEE = 22,
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};
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#define IWL_CCK_BASIC_RATES_MASK \
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(IWL_RATE_1M_MASK | \
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IWL_RATE_2M_MASK)
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#define IWL_CCK_RATES_MASK \
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(IWL_BASIC_RATES_MASK | \
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IWL_RATE_5M_MASK | \
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IWL_RATE_11M_MASK)
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#define IWL_OFDM_BASIC_RATES_MASK \
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(IWL_RATE_6M_MASK | \
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IWL_RATE_12M_MASK | \
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IWL_RATE_24M_MASK)
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#define IWL_OFDM_RATES_MASK \
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(IWL_OFDM_BASIC_RATES_MASK | \
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IWL_RATE_9M_MASK | \
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IWL_RATE_18M_MASK | \
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IWL_RATE_36M_MASK | \
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IWL_RATE_48M_MASK | \
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IWL_RATE_54M_MASK)
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#define IWL_BASIC_RATES_MASK \
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(IWL_OFDM_BASIC_RATES_MASK | \
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IWL_CCK_BASIC_RATES_MASK)
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#define IWL_RATES_MASK ((1<<IWL_RATE_COUNT)-1)
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#define IWL_INVALID_VALUE -1
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#define IWL_MIN_RSSI_VAL -100
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#define IWL_MAX_RSSI_VAL 0
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extern const struct iwl_rate_info iwl_rates[IWL_RATE_COUNT];
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static inline u8 iwl_get_prev_ieee_rate(u8 rate_index)
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{
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u8 rate = iwl_rates[rate_index].prev_ieee;
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if (rate == IWL_RATE_INVALID)
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rate = rate_index;
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return rate;
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}
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/**
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* iwl_fill_rs_info - Fill an output text buffer with the rate representation
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*
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* NOTE: This is provided as a quick mechanism for a user to visualize
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* the performance of the rate control algorithm and is not meant to be
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* parsed software.
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*/
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extern int iwl_fill_rs_info(struct ieee80211_hw *, char *buf, u8 sta_id);
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/**
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* iwl_rate_scale_init - Initialize the rate scale table based on assoc info
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*
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* The specific throughput table used is based on the type of network
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* the associated with, including A, B, G, and G w/ TGG protection
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*/
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extern void iwl_rate_scale_init(struct ieee80211_hw *hw, s32 sta_id);
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/**
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* iwl_rate_control_register - Register the rate control algorithm callbacks
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*
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* Since the rate control algorithm is hardware specific, there is no need
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* or reason to place it as a stand alone module. The driver can call
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* iwl_rate_control_register in order to register the rate control callbacks
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* with the mac80211 subsystem. This should be performed prior to calling
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* ieee80211_register_hw
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*
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*/
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extern void iwl_rate_control_register(struct ieee80211_hw *hw);
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/**
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* iwl_rate_control_unregister - Unregister the rate control callbacks
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*
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* This should be called after calling ieee80211_unregister_hw, but before
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* the driver is unloaded.
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*/
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extern void iwl_rate_control_unregister(struct ieee80211_hw *hw);
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#endif
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