diff options
Diffstat (limited to 'drivers/net/wireless/iwlwifi/iwl-agn-rs.h')
| -rw-r--r-- | drivers/net/wireless/iwlwifi/iwl-agn-rs.h | 57 |
1 files changed, 53 insertions, 4 deletions
diff --git a/drivers/net/wireless/iwlwifi/iwl-agn-rs.h b/drivers/net/wireless/iwlwifi/iwl-agn-rs.h index 78ee83adf74..ab59acc405d 100644 --- a/drivers/net/wireless/iwlwifi/iwl-agn-rs.h +++ b/drivers/net/wireless/iwlwifi/iwl-agn-rs.h @@ -1,6 +1,6 @@ /****************************************************************************** * - * Copyright(c) 2003 - 2008 Intel Corporation. All rights reserved. + * Copyright(c) 2003 - 2009 Intel Corporation. All rights reserved. * * This program is free software; you can redistribute it and/or modify it * under the terms of version 2 of the GNU General Public License as @@ -27,8 +27,6 @@ #ifndef __iwl_agn_rs_h__ #define __iwl_agn_rs_h__ -#include "iwl-dev.h" - struct iwl_rate_info { u8 plcp; /* uCode API: IWL_RATE_6M_PLCP, etc. */ u8 plcp_siso; /* uCode API: IWL_RATE_SISO_6M_PLCP, etc. */ @@ -43,6 +41,19 @@ struct iwl_rate_info { u8 next_rs_tgg; /* next rate used in TGG rs algo */ }; +struct iwl3945_rate_info { + u8 plcp; /* uCode API: IWL_RATE_6M_PLCP, etc. */ + u8 ieee; /* MAC header: IWL_RATE_6M_IEEE, etc. */ + u8 prev_ieee; /* previous rate in IEEE speeds */ + u8 next_ieee; /* next rate in IEEE speeds */ + u8 prev_rs; /* previous rate used in rs algo */ + u8 next_rs; /* next rate used in rs algo */ + u8 prev_rs_tgg; /* previous rate used in TGG rs algo */ + u8 next_rs_tgg; /* next rate used in TGG rs algo */ + u8 table_rs_index; /* index in rate scale table cmd */ + u8 prev_table_rs; /* prev in rate table cmd */ +}; + /* * These serve as indexes into * struct iwl_rate_info iwl_rates[IWL_RATE_COUNT]; @@ -62,12 +73,30 @@ enum { IWL_RATE_54M_INDEX, IWL_RATE_60M_INDEX, IWL_RATE_COUNT, /*FIXME:RS:change to IWL_RATE_INDEX_COUNT,*/ + IWL_RATE_COUNT_3945 = IWL_RATE_COUNT - 1, IWL_RATE_INVM_INDEX = IWL_RATE_COUNT, IWL_RATE_INVALID = IWL_RATE_COUNT, }; enum { + IWL_RATE_6M_INDEX_TABLE = 0, + IWL_RATE_9M_INDEX_TABLE, + IWL_RATE_12M_INDEX_TABLE, + IWL_RATE_18M_INDEX_TABLE, + IWL_RATE_24M_INDEX_TABLE, + IWL_RATE_36M_INDEX_TABLE, + IWL_RATE_48M_INDEX_TABLE, + IWL_RATE_54M_INDEX_TABLE, + IWL_RATE_1M_INDEX_TABLE, + IWL_RATE_2M_INDEX_TABLE, + IWL_RATE_5M_INDEX_TABLE, + IWL_RATE_11M_INDEX_TABLE, + IWL_RATE_INVM_INDEX_TABLE = IWL_RATE_INVM_INDEX - 1, +}; + +enum { IWL_FIRST_OFDM_RATE = IWL_RATE_6M_INDEX, + IWL39_LAST_OFDM_RATE = IWL_RATE_54M_INDEX, IWL_LAST_OFDM_RATE = IWL_RATE_60M_INDEX, IWL_FIRST_CCK_RATE = IWL_RATE_1M_INDEX, IWL_LAST_CCK_RATE = IWL_RATE_11M_INDEX, @@ -202,7 +231,7 @@ enum { #define IWL_RS_GOOD_RATIO 12800 /* 100% */ #define IWL_RATE_SCALE_SWITCH 10880 /* 85% */ #define IWL_RATE_HIGH_TH 10880 /* 85% */ -#define IWL_RATE_INCREASE_TH 8960 /* 70% */ +#define IWL_RATE_INCREASE_TH 6400 /* 50% */ #define IWL_RATE_DECREASE_TH 1920 /* 15% */ /* possible actions when in legacy mode */ @@ -248,6 +277,7 @@ enum { #define TIME_WRAP_AROUND(x, y) (((y) > (x)) ? (y) - (x) : (0-(x)) + (y)) extern const struct iwl_rate_info iwl_rates[IWL_RATE_COUNT]; +extern const struct iwl3945_rate_info iwl3945_rates[IWL_RATE_COUNT_3945]; enum iwl_table_type { LQ_NONE, @@ -303,6 +333,23 @@ static inline u8 iwl_get_prev_ieee_rate(u8 rate_index) return rate; } +static inline u8 iwl3945_get_prev_ieee_rate(u8 rate_index) +{ + u8 rate = iwl3945_rates[rate_index].prev_ieee; + + if (rate == IWL_RATE_INVALID) + rate = rate_index; + return rate; +} + +/** + * iwl3945_rate_scale_init - Initialize the rate scale table based on assoc info + * + * The specific throughput table used is based on the type of network + * the associated with, including A, B, G, and G w/ TGG protection + */ +extern void iwl3945_rate_scale_init(struct ieee80211_hw *hw, s32 sta_id); + /** * iwl_rate_control_register - Register the rate control algorithm callbacks * @@ -314,6 +361,7 @@ static inline u8 iwl_get_prev_ieee_rate(u8 rate_index) * */ extern int iwlagn_rate_control_register(void); +extern int iwl3945_rate_control_register(void); /** * iwl_rate_control_unregister - Unregister the rate control callbacks @@ -322,5 +370,6 @@ extern int iwlagn_rate_control_register(void); * the driver is unloaded. */ extern void iwlagn_rate_control_unregister(void); +extern void iwl3945_rate_control_unregister(void); #endif /* __iwl_agn__rs__ */ |