From 3fbbf9a8083049718c44e43dc88c8e79cb0b7793 Mon Sep 17 00:00:00 2001 From: Stanislaw Gruszka Date: Wed, 31 Aug 2011 13:39:29 +0200 Subject: [PATCH] iwlegacy: merge iwl-legacy-rs.h into common.h Signed-off-by: Stanislaw Gruszka --- drivers/net/wireless/iwlegacy/common.h | 461 +++++++++++++++++- drivers/net/wireless/iwlegacy/iwl-legacy-rs.h | 454 ----------------- 2 files changed, 442 insertions(+), 473 deletions(-) delete mode 100644 drivers/net/wireless/iwlegacy/iwl-legacy-rs.h diff --git a/drivers/net/wireless/iwlegacy/common.h b/drivers/net/wireless/iwlegacy/common.h index e83c6ab39fcf..2e66929c34ef 100644 --- a/drivers/net/wireless/iwlegacy/common.h +++ b/drivers/net/wireless/iwlegacy/common.h @@ -39,7 +39,6 @@ #include "iwl-debug.h" #include "iwl-led.h" #include "iwl-power.h" -#include "iwl-legacy-rs.h" struct il_host_cmd; struct il_cmd; @@ -480,24 +479,6 @@ struct il_station_priv_common { u8 sta_id; }; -/* - * il_station_priv: Driver's ilate station information - * - * When mac80211 creates a station it reserves some space (hw->sta_data_size) - * in the structure for use by driver. This structure is places in that - * space. - * - * The common struct MUST be first because it is shared between - * 3945 and 4965! - */ -struct il_station_priv { - struct il_station_priv_common common; - struct il_lq_sta lq_sta; - atomic_t pending_frames; - bool client; - bool asleep; -}; - /** * struct il_vif_priv - driver's ilate per-interface information * @@ -2573,4 +2554,446 @@ struct il_tfd { #define PCI_CFG_LINK_CTRL_VAL_L0S_EN 0x01 #define PCI_CFG_LINK_CTRL_VAL_L1_EN 0x02 +struct il_rate_info { + u8 plcp; /* uCode API: RATE_6M_PLCP, etc. */ + u8 plcp_siso; /* uCode API: RATE_SISO_6M_PLCP, etc. */ + u8 plcp_mimo2; /* uCode API: RATE_MIMO2_6M_PLCP, etc. */ + u8 ieee; /* MAC header: 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 */ +}; + +struct il3945_rate_info { + u8 plcp; /* uCode API: RATE_6M_PLCP, etc. */ + u8 ieee; /* MAC header: 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_idx; /* idx in rate scale table cmd */ + u8 prev_table_rs; /* prev in rate table cmd */ +}; + + +/* + * These serve as idxes into + * struct il_rate_info il_rates[RATE_COUNT]; + */ +enum { + RATE_1M_IDX = 0, + RATE_2M_IDX, + RATE_5M_IDX, + RATE_11M_IDX, + RATE_6M_IDX, + RATE_9M_IDX, + RATE_12M_IDX, + RATE_18M_IDX, + RATE_24M_IDX, + RATE_36M_IDX, + RATE_48M_IDX, + RATE_54M_IDX, + RATE_60M_IDX, + RATE_COUNT, + RATE_COUNT_LEGACY = RATE_COUNT - 1, /* Excluding 60M */ + RATE_COUNT_3945 = RATE_COUNT - 1, + RATE_INVM_IDX = RATE_COUNT, + RATE_INVALID = RATE_COUNT, +}; + +enum { + RATE_6M_IDX_TBL = 0, + RATE_9M_IDX_TBL, + RATE_12M_IDX_TBL, + RATE_18M_IDX_TBL, + RATE_24M_IDX_TBL, + RATE_36M_IDX_TBL, + RATE_48M_IDX_TBL, + RATE_54M_IDX_TBL, + RATE_1M_IDX_TBL, + RATE_2M_IDX_TBL, + RATE_5M_IDX_TBL, + RATE_11M_IDX_TBL, + RATE_INVM_IDX_TBL = RATE_INVM_IDX - 1, +}; + +enum { + IL_FIRST_OFDM_RATE = RATE_6M_IDX, + IL39_LAST_OFDM_RATE = RATE_54M_IDX, + IL_LAST_OFDM_RATE = RATE_60M_IDX, + IL_FIRST_CCK_RATE = RATE_1M_IDX, + IL_LAST_CCK_RATE = RATE_11M_IDX, +}; + +/* #define vs. enum to keep from defaulting to 'large integer' */ +#define RATE_6M_MASK (1 << RATE_6M_IDX) +#define RATE_9M_MASK (1 << RATE_9M_IDX) +#define RATE_12M_MASK (1 << RATE_12M_IDX) +#define RATE_18M_MASK (1 << RATE_18M_IDX) +#define RATE_24M_MASK (1 << RATE_24M_IDX) +#define RATE_36M_MASK (1 << RATE_36M_IDX) +#define RATE_48M_MASK (1 << RATE_48M_IDX) +#define RATE_54M_MASK (1 << RATE_54M_IDX) +#define RATE_60M_MASK (1 << RATE_60M_IDX) +#define RATE_1M_MASK (1 << RATE_1M_IDX) +#define RATE_2M_MASK (1 << RATE_2M_IDX) +#define RATE_5M_MASK (1 << RATE_5M_IDX) +#define RATE_11M_MASK (1 << RATE_11M_IDX) + +/* uCode API values for legacy bit rates, both OFDM and CCK */ +enum { + RATE_6M_PLCP = 13, + RATE_9M_PLCP = 15, + RATE_12M_PLCP = 5, + RATE_18M_PLCP = 7, + RATE_24M_PLCP = 9, + RATE_36M_PLCP = 11, + RATE_48M_PLCP = 1, + RATE_54M_PLCP = 3, + RATE_60M_PLCP = 3,/*FIXME:RS:should be removed*/ + RATE_1M_PLCP = 10, + RATE_2M_PLCP = 20, + RATE_5M_PLCP = 55, + RATE_11M_PLCP = 110, + /*FIXME:RS:add RATE_LEGACY_INVM_PLCP = 0,*/ +}; + +/* uCode API values for OFDM high-throughput (HT) bit rates */ +enum { + RATE_SISO_6M_PLCP = 0, + RATE_SISO_12M_PLCP = 1, + RATE_SISO_18M_PLCP = 2, + RATE_SISO_24M_PLCP = 3, + RATE_SISO_36M_PLCP = 4, + RATE_SISO_48M_PLCP = 5, + RATE_SISO_54M_PLCP = 6, + RATE_SISO_60M_PLCP = 7, + RATE_MIMO2_6M_PLCP = 0x8, + RATE_MIMO2_12M_PLCP = 0x9, + RATE_MIMO2_18M_PLCP = 0xa, + RATE_MIMO2_24M_PLCP = 0xb, + RATE_MIMO2_36M_PLCP = 0xc, + RATE_MIMO2_48M_PLCP = 0xd, + RATE_MIMO2_54M_PLCP = 0xe, + RATE_MIMO2_60M_PLCP = 0xf, + RATE_SISO_INVM_PLCP, + RATE_MIMO2_INVM_PLCP = RATE_SISO_INVM_PLCP, +}; + +/* MAC header values for bit rates */ +enum { + RATE_6M_IEEE = 12, + RATE_9M_IEEE = 18, + RATE_12M_IEEE = 24, + RATE_18M_IEEE = 36, + RATE_24M_IEEE = 48, + RATE_36M_IEEE = 72, + RATE_48M_IEEE = 96, + RATE_54M_IEEE = 108, + RATE_60M_IEEE = 120, + RATE_1M_IEEE = 2, + RATE_2M_IEEE = 4, + RATE_5M_IEEE = 11, + RATE_11M_IEEE = 22, +}; + +#define IL_CCK_BASIC_RATES_MASK \ + (RATE_1M_MASK | \ + RATE_2M_MASK) + +#define IL_CCK_RATES_MASK \ + (IL_CCK_BASIC_RATES_MASK | \ + RATE_5M_MASK | \ + RATE_11M_MASK) + +#define IL_OFDM_BASIC_RATES_MASK \ + (RATE_6M_MASK | \ + RATE_12M_MASK | \ + RATE_24M_MASK) + +#define IL_OFDM_RATES_MASK \ + (IL_OFDM_BASIC_RATES_MASK | \ + RATE_9M_MASK | \ + RATE_18M_MASK | \ + RATE_36M_MASK | \ + RATE_48M_MASK | \ + RATE_54M_MASK) + +#define IL_BASIC_RATES_MASK \ + (IL_OFDM_BASIC_RATES_MASK | \ + IL_CCK_BASIC_RATES_MASK) + +#define RATES_MASK ((1 << RATE_COUNT) - 1) +#define RATES_MASK_3945 ((1 << RATE_COUNT_3945) - 1) + +#define IL_INVALID_VALUE -1 + +#define IL_MIN_RSSI_VAL -100 +#define IL_MAX_RSSI_VAL 0 + +/* These values specify how many Tx frame attempts before + * searching for a new modulation mode */ +#define IL_LEGACY_FAILURE_LIMIT 160 +#define IL_LEGACY_SUCCESS_LIMIT 480 +#define IL_LEGACY_TBL_COUNT 160 + +#define IL_NONE_LEGACY_FAILURE_LIMIT 400 +#define IL_NONE_LEGACY_SUCCESS_LIMIT 4500 +#define IL_NONE_LEGACY_TBL_COUNT 1500 + +/* Success ratio (ACKed / attempted tx frames) values (perfect is 128 * 100) */ +#define IL_RS_GOOD_RATIO 12800 /* 100% */ +#define RATE_SCALE_SWITCH 10880 /* 85% */ +#define RATE_HIGH_TH 10880 /* 85% */ +#define RATE_INCREASE_TH 6400 /* 50% */ +#define RATE_DECREASE_TH 1920 /* 15% */ + +/* possible actions when in legacy mode */ +#define IL_LEGACY_SWITCH_ANTENNA1 0 +#define IL_LEGACY_SWITCH_ANTENNA2 1 +#define IL_LEGACY_SWITCH_SISO 2 +#define IL_LEGACY_SWITCH_MIMO2_AB 3 +#define IL_LEGACY_SWITCH_MIMO2_AC 4 +#define IL_LEGACY_SWITCH_MIMO2_BC 5 + +/* possible actions when in siso mode */ +#define IL_SISO_SWITCH_ANTENNA1 0 +#define IL_SISO_SWITCH_ANTENNA2 1 +#define IL_SISO_SWITCH_MIMO2_AB 2 +#define IL_SISO_SWITCH_MIMO2_AC 3 +#define IL_SISO_SWITCH_MIMO2_BC 4 +#define IL_SISO_SWITCH_GI 5 + +/* possible actions when in mimo mode */ +#define IL_MIMO2_SWITCH_ANTENNA1 0 +#define IL_MIMO2_SWITCH_ANTENNA2 1 +#define IL_MIMO2_SWITCH_SISO_A 2 +#define IL_MIMO2_SWITCH_SISO_B 3 +#define IL_MIMO2_SWITCH_SISO_C 4 +#define IL_MIMO2_SWITCH_GI 5 + +#define IL_MAX_SEARCH IL_MIMO2_SWITCH_GI + +#define IL_ACTION_LIMIT 3 /* # possible actions */ + +#define LQ_SIZE 2 /* 2 mode tables: "Active" and "Search" */ + +/* load per tid defines for A-MPDU activation */ +#define IL_AGG_TPT_THREHOLD 0 +#define IL_AGG_LOAD_THRESHOLD 10 +#define IL_AGG_ALL_TID 0xff +#define TID_QUEUE_CELL_SPACING 50 /*mS */ +#define TID_QUEUE_MAX_SIZE 20 +#define TID_ROUND_VALUE 5 /* mS */ +#define TID_MAX_LOAD_COUNT 8 + +#define TID_MAX_TIME_DIFF ((TID_QUEUE_MAX_SIZE - 1) * TID_QUEUE_CELL_SPACING) +#define TIME_WRAP_AROUND(x, y) (((y) > (x)) ? (y) - (x) : (0-(x)) + (y)) + +extern const struct il_rate_info il_rates[RATE_COUNT]; + +enum il_table_type { + LQ_NONE, + LQ_G, /* legacy types */ + LQ_A, + LQ_SISO, /* high-throughput types */ + LQ_MIMO2, + LQ_MAX, +}; + +#define is_legacy(tbl) ((tbl) == LQ_G || (tbl) == LQ_A) +#define is_siso(tbl) ((tbl) == LQ_SISO) +#define is_mimo2(tbl) ((tbl) == LQ_MIMO2) +#define is_mimo(tbl) (is_mimo2(tbl)) +#define is_Ht(tbl) (is_siso(tbl) || is_mimo(tbl)) +#define is_a_band(tbl) ((tbl) == LQ_A) +#define is_g_and(tbl) ((tbl) == LQ_G) + +#define ANT_NONE 0x0 +#define ANT_A BIT(0) +#define ANT_B BIT(1) +#define ANT_AB (ANT_A | ANT_B) +#define ANT_C BIT(2) +#define ANT_AC (ANT_A | ANT_C) +#define ANT_BC (ANT_B | ANT_C) +#define ANT_ABC (ANT_AB | ANT_C) + +#define IL_MAX_MCS_DISPLAY_SIZE 12 + +struct il_rate_mcs_info { + char mbps[IL_MAX_MCS_DISPLAY_SIZE]; + char mcs[IL_MAX_MCS_DISPLAY_SIZE]; +}; + +/** + * struct il_rate_scale_data -- tx success history for one rate + */ +struct il_rate_scale_data { + u64 data; /* bitmap of successful frames */ + s32 success_counter; /* number of frames successful */ + s32 success_ratio; /* per-cent * 128 */ + s32 counter; /* number of frames attempted */ + s32 average_tpt; /* success ratio * expected throughput */ + unsigned long stamp; +}; + +/** + * struct il_scale_tbl_info -- tx params and success history for all rates + * + * There are two of these in struct il_lq_sta, + * one for "active", and one for "search". + */ +struct il_scale_tbl_info { + enum il_table_type lq_type; + u8 ant_type; + u8 is_SGI; /* 1 = short guard interval */ + u8 is_ht40; /* 1 = 40 MHz channel width */ + u8 is_dup; /* 1 = duplicated data streams */ + u8 action; /* change modulation; IL_[LEGACY/SISO/MIMO]_SWITCH_* */ + u8 max_search; /* maximun number of tables we can search */ + s32 *expected_tpt; /* throughput metrics; expected_tpt_G, etc. */ + u32 current_rate; /* rate_n_flags, uCode API format */ + struct il_rate_scale_data win[RATE_COUNT]; /* rate histories */ +}; + +struct il_traffic_load { + unsigned long time_stamp; /* age of the oldest stats */ + u32 packet_count[TID_QUEUE_MAX_SIZE]; /* packet count in this time + * slice */ + u32 total; /* total num of packets during the + * last TID_MAX_TIME_DIFF */ + u8 queue_count; /* number of queues that has + * been used since the last cleanup */ + u8 head; /* start of the circular buffer */ +}; + +/** + * struct il_lq_sta -- driver's rate scaling ilate structure + * + * Pointer to this gets passed back and forth between driver and mac80211. + */ +struct il_lq_sta { + u8 active_tbl; /* idx of active table, range 0-1 */ + u8 enable_counter; /* indicates HT mode */ + u8 stay_in_tbl; /* 1: disallow, 0: allow search for new mode */ + u8 search_better_tbl; /* 1: currently trying alternate mode */ + s32 last_tpt; + + /* The following determine when to search for a new mode */ + u32 table_count_limit; + u32 max_failure_limit; /* # failed frames before new search */ + u32 max_success_limit; /* # successful frames before new search */ + u32 table_count; + u32 total_failed; /* total failed frames, any/all rates */ + u32 total_success; /* total successful frames, any/all rates */ + u64 flush_timer; /* time staying in mode before new search */ + + u8 action_counter; /* # mode-switch actions tried */ + u8 is_green; + u8 is_dup; + enum ieee80211_band band; + + /* The following are bitmaps of rates; RATE_6M_MASK, etc. */ + u32 supp_rates; + u16 active_legacy_rate; + u16 active_siso_rate; + u16 active_mimo2_rate; + s8 max_rate_idx; /* Max rate set by user */ + u8 missed_rate_counter; + + struct il_link_quality_cmd lq; + struct il_scale_tbl_info lq_info[LQ_SIZE]; /* "active", "search" */ + struct il_traffic_load load[TID_MAX_LOAD_COUNT]; + u8 tx_agg_tid_en; +#ifdef CONFIG_MAC80211_DEBUGFS + struct dentry *rs_sta_dbgfs_scale_table_file; + struct dentry *rs_sta_dbgfs_stats_table_file; + struct dentry *rs_sta_dbgfs_rate_scale_data_file; + struct dentry *rs_sta_dbgfs_tx_agg_tid_en_file; + u32 dbg_fixed_rate; +#endif + struct il_priv *drv; + + /* used to be in sta_info */ + int last_txrate_idx; + /* last tx rate_n_flags */ + u32 last_rate_n_flags; + /* packets destined for this STA are aggregated */ + u8 is_agg; +}; + +/* + * il_station_priv: Driver's ilate station information + * + * When mac80211 creates a station it reserves some space (hw->sta_data_size) + * in the structure for use by driver. This structure is places in that + * space. + * + * The common struct MUST be first because it is shared between + * 3945 and 4965! + */ +struct il_station_priv { + struct il_station_priv_common common; + struct il_lq_sta lq_sta; + atomic_t pending_frames; + bool client; + bool asleep; +}; + +static inline u8 il4965_num_of_ant(u8 m) +{ + return !!(m & ANT_A) + !!(m & ANT_B) + !!(m & ANT_C); +} + +static inline u8 il4965_first_antenna(u8 mask) +{ + if (mask & ANT_A) + return ANT_A; + if (mask & ANT_B) + return ANT_B; + return ANT_C; +} + + +/** + * il3945_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 il3945_rate_scale_init(struct ieee80211_hw *hw, s32 sta_id); + +/* Initialize station's rate scaling information after adding station */ +extern void il4965_rs_rate_init(struct il_priv *il, + struct ieee80211_sta *sta, u8 sta_id); +extern void il3945_rs_rate_init(struct il_priv *il, + struct ieee80211_sta *sta, u8 sta_id); + +/** + * il_rate_control_register - Register the rate control algorithm callbacks + * + * Since the rate control algorithm is hardware specific, there is no need + * or reason to place it as a stand alone module. The driver can call + * il_rate_control_register in order to register the rate control callbacks + * with the mac80211 subsystem. This should be performed prior to calling + * ieee80211_register_hw + * + */ +extern int il4965_rate_control_register(void); +extern int il3945_rate_control_register(void); + +/** + * il_rate_control_unregister - Unregister the rate control callbacks + * + * This should be called after calling ieee80211_unregister_hw, but before + * the driver is unloaded. + */ +extern void il4965_rate_control_unregister(void); +extern void il3945_rate_control_unregister(void); + #endif /* __il_core_h__ */ diff --git a/drivers/net/wireless/iwlegacy/iwl-legacy-rs.h b/drivers/net/wireless/iwlegacy/iwl-legacy-rs.h deleted file mode 100644 index 58e04cb8b0ed..000000000000 --- a/drivers/net/wireless/iwlegacy/iwl-legacy-rs.h +++ /dev/null @@ -1,454 +0,0 @@ -/****************************************************************************** - * - * Copyright(c) 2003 - 2011 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 - * published by the Free Software Foundation. - * - * This program is distributed in the hope that it will be useful, but WITHOUT - * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or - * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for - * more details. - * - * You should have received a copy of the GNU General Public License along with - * this program; if not, write to the Free Software Foundation, Inc., - * 51 Franklin Street, Fifth Floor, Boston, MA 02110, USA - * - * The full GNU General Public License is included in this distribution in the - * file called LICENSE. - * - * Contact Information: - * Intel Linux Wireless - * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497 - * - *****************************************************************************/ - -#ifndef __il_rs_h__ -#define __il_rs_h__ - -struct il_rate_info { - u8 plcp; /* uCode API: RATE_6M_PLCP, etc. */ - u8 plcp_siso; /* uCode API: RATE_SISO_6M_PLCP, etc. */ - u8 plcp_mimo2; /* uCode API: RATE_MIMO2_6M_PLCP, etc. */ - u8 ieee; /* MAC header: 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 */ -}; - -struct il3945_rate_info { - u8 plcp; /* uCode API: RATE_6M_PLCP, etc. */ - u8 ieee; /* MAC header: 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_idx; /* idx in rate scale table cmd */ - u8 prev_table_rs; /* prev in rate table cmd */ -}; - - -/* - * These serve as idxes into - * struct il_rate_info il_rates[RATE_COUNT]; - */ -enum { - RATE_1M_IDX = 0, - RATE_2M_IDX, - RATE_5M_IDX, - RATE_11M_IDX, - RATE_6M_IDX, - RATE_9M_IDX, - RATE_12M_IDX, - RATE_18M_IDX, - RATE_24M_IDX, - RATE_36M_IDX, - RATE_48M_IDX, - RATE_54M_IDX, - RATE_60M_IDX, - RATE_COUNT, - RATE_COUNT_LEGACY = RATE_COUNT - 1, /* Excluding 60M */ - RATE_COUNT_3945 = RATE_COUNT - 1, - RATE_INVM_IDX = RATE_COUNT, - RATE_INVALID = RATE_COUNT, -}; - -enum { - RATE_6M_IDX_TBL = 0, - RATE_9M_IDX_TBL, - RATE_12M_IDX_TBL, - RATE_18M_IDX_TBL, - RATE_24M_IDX_TBL, - RATE_36M_IDX_TBL, - RATE_48M_IDX_TBL, - RATE_54M_IDX_TBL, - RATE_1M_IDX_TBL, - RATE_2M_IDX_TBL, - RATE_5M_IDX_TBL, - RATE_11M_IDX_TBL, - RATE_INVM_IDX_TBL = RATE_INVM_IDX - 1, -}; - -enum { - IL_FIRST_OFDM_RATE = RATE_6M_IDX, - IL39_LAST_OFDM_RATE = RATE_54M_IDX, - IL_LAST_OFDM_RATE = RATE_60M_IDX, - IL_FIRST_CCK_RATE = RATE_1M_IDX, - IL_LAST_CCK_RATE = RATE_11M_IDX, -}; - -/* #define vs. enum to keep from defaulting to 'large integer' */ -#define RATE_6M_MASK (1 << RATE_6M_IDX) -#define RATE_9M_MASK (1 << RATE_9M_IDX) -#define RATE_12M_MASK (1 << RATE_12M_IDX) -#define RATE_18M_MASK (1 << RATE_18M_IDX) -#define RATE_24M_MASK (1 << RATE_24M_IDX) -#define RATE_36M_MASK (1 << RATE_36M_IDX) -#define RATE_48M_MASK (1 << RATE_48M_IDX) -#define RATE_54M_MASK (1 << RATE_54M_IDX) -#define RATE_60M_MASK (1 << RATE_60M_IDX) -#define RATE_1M_MASK (1 << RATE_1M_IDX) -#define RATE_2M_MASK (1 << RATE_2M_IDX) -#define RATE_5M_MASK (1 << RATE_5M_IDX) -#define RATE_11M_MASK (1 << RATE_11M_IDX) - -/* uCode API values for legacy bit rates, both OFDM and CCK */ -enum { - RATE_6M_PLCP = 13, - RATE_9M_PLCP = 15, - RATE_12M_PLCP = 5, - RATE_18M_PLCP = 7, - RATE_24M_PLCP = 9, - RATE_36M_PLCP = 11, - RATE_48M_PLCP = 1, - RATE_54M_PLCP = 3, - RATE_60M_PLCP = 3,/*FIXME:RS:should be removed*/ - RATE_1M_PLCP = 10, - RATE_2M_PLCP = 20, - RATE_5M_PLCP = 55, - RATE_11M_PLCP = 110, - /*FIXME:RS:add RATE_LEGACY_INVM_PLCP = 0,*/ -}; - -/* uCode API values for OFDM high-throughput (HT) bit rates */ -enum { - RATE_SISO_6M_PLCP = 0, - RATE_SISO_12M_PLCP = 1, - RATE_SISO_18M_PLCP = 2, - RATE_SISO_24M_PLCP = 3, - RATE_SISO_36M_PLCP = 4, - RATE_SISO_48M_PLCP = 5, - RATE_SISO_54M_PLCP = 6, - RATE_SISO_60M_PLCP = 7, - RATE_MIMO2_6M_PLCP = 0x8, - RATE_MIMO2_12M_PLCP = 0x9, - RATE_MIMO2_18M_PLCP = 0xa, - RATE_MIMO2_24M_PLCP = 0xb, - RATE_MIMO2_36M_PLCP = 0xc, - RATE_MIMO2_48M_PLCP = 0xd, - RATE_MIMO2_54M_PLCP = 0xe, - RATE_MIMO2_60M_PLCP = 0xf, - RATE_SISO_INVM_PLCP, - RATE_MIMO2_INVM_PLCP = RATE_SISO_INVM_PLCP, -}; - -/* MAC header values for bit rates */ -enum { - RATE_6M_IEEE = 12, - RATE_9M_IEEE = 18, - RATE_12M_IEEE = 24, - RATE_18M_IEEE = 36, - RATE_24M_IEEE = 48, - RATE_36M_IEEE = 72, - RATE_48M_IEEE = 96, - RATE_54M_IEEE = 108, - RATE_60M_IEEE = 120, - RATE_1M_IEEE = 2, - RATE_2M_IEEE = 4, - RATE_5M_IEEE = 11, - RATE_11M_IEEE = 22, -}; - -#define IL_CCK_BASIC_RATES_MASK \ - (RATE_1M_MASK | \ - RATE_2M_MASK) - -#define IL_CCK_RATES_MASK \ - (IL_CCK_BASIC_RATES_MASK | \ - RATE_5M_MASK | \ - RATE_11M_MASK) - -#define IL_OFDM_BASIC_RATES_MASK \ - (RATE_6M_MASK | \ - RATE_12M_MASK | \ - RATE_24M_MASK) - -#define IL_OFDM_RATES_MASK \ - (IL_OFDM_BASIC_RATES_MASK | \ - RATE_9M_MASK | \ - RATE_18M_MASK | \ - RATE_36M_MASK | \ - RATE_48M_MASK | \ - RATE_54M_MASK) - -#define IL_BASIC_RATES_MASK \ - (IL_OFDM_BASIC_RATES_MASK | \ - IL_CCK_BASIC_RATES_MASK) - -#define RATES_MASK ((1 << RATE_COUNT) - 1) -#define RATES_MASK_3945 ((1 << RATE_COUNT_3945) - 1) - -#define IL_INVALID_VALUE -1 - -#define IL_MIN_RSSI_VAL -100 -#define IL_MAX_RSSI_VAL 0 - -/* These values specify how many Tx frame attempts before - * searching for a new modulation mode */ -#define IL_LEGACY_FAILURE_LIMIT 160 -#define IL_LEGACY_SUCCESS_LIMIT 480 -#define IL_LEGACY_TBL_COUNT 160 - -#define IL_NONE_LEGACY_FAILURE_LIMIT 400 -#define IL_NONE_LEGACY_SUCCESS_LIMIT 4500 -#define IL_NONE_LEGACY_TBL_COUNT 1500 - -/* Success ratio (ACKed / attempted tx frames) values (perfect is 128 * 100) */ -#define IL_RS_GOOD_RATIO 12800 /* 100% */ -#define RATE_SCALE_SWITCH 10880 /* 85% */ -#define RATE_HIGH_TH 10880 /* 85% */ -#define RATE_INCREASE_TH 6400 /* 50% */ -#define RATE_DECREASE_TH 1920 /* 15% */ - -/* possible actions when in legacy mode */ -#define IL_LEGACY_SWITCH_ANTENNA1 0 -#define IL_LEGACY_SWITCH_ANTENNA2 1 -#define IL_LEGACY_SWITCH_SISO 2 -#define IL_LEGACY_SWITCH_MIMO2_AB 3 -#define IL_LEGACY_SWITCH_MIMO2_AC 4 -#define IL_LEGACY_SWITCH_MIMO2_BC 5 - -/* possible actions when in siso mode */ -#define IL_SISO_SWITCH_ANTENNA1 0 -#define IL_SISO_SWITCH_ANTENNA2 1 -#define IL_SISO_SWITCH_MIMO2_AB 2 -#define IL_SISO_SWITCH_MIMO2_AC 3 -#define IL_SISO_SWITCH_MIMO2_BC 4 -#define IL_SISO_SWITCH_GI 5 - -/* possible actions when in mimo mode */ -#define IL_MIMO2_SWITCH_ANTENNA1 0 -#define IL_MIMO2_SWITCH_ANTENNA2 1 -#define IL_MIMO2_SWITCH_SISO_A 2 -#define IL_MIMO2_SWITCH_SISO_B 3 -#define IL_MIMO2_SWITCH_SISO_C 4 -#define IL_MIMO2_SWITCH_GI 5 - -#define IL_MAX_SEARCH IL_MIMO2_SWITCH_GI - -#define IL_ACTION_LIMIT 3 /* # possible actions */ - -#define LQ_SIZE 2 /* 2 mode tables: "Active" and "Search" */ - -/* load per tid defines for A-MPDU activation */ -#define IL_AGG_TPT_THREHOLD 0 -#define IL_AGG_LOAD_THRESHOLD 10 -#define IL_AGG_ALL_TID 0xff -#define TID_QUEUE_CELL_SPACING 50 /*mS */ -#define TID_QUEUE_MAX_SIZE 20 -#define TID_ROUND_VALUE 5 /* mS */ -#define TID_MAX_LOAD_COUNT 8 - -#define TID_MAX_TIME_DIFF ((TID_QUEUE_MAX_SIZE - 1) * TID_QUEUE_CELL_SPACING) -#define TIME_WRAP_AROUND(x, y) (((y) > (x)) ? (y) - (x) : (0-(x)) + (y)) - -extern const struct il_rate_info il_rates[RATE_COUNT]; - -enum il_table_type { - LQ_NONE, - LQ_G, /* legacy types */ - LQ_A, - LQ_SISO, /* high-throughput types */ - LQ_MIMO2, - LQ_MAX, -}; - -#define is_legacy(tbl) ((tbl) == LQ_G || (tbl) == LQ_A) -#define is_siso(tbl) ((tbl) == LQ_SISO) -#define is_mimo2(tbl) ((tbl) == LQ_MIMO2) -#define is_mimo(tbl) (is_mimo2(tbl)) -#define is_Ht(tbl) (is_siso(tbl) || is_mimo(tbl)) -#define is_a_band(tbl) ((tbl) == LQ_A) -#define is_g_and(tbl) ((tbl) == LQ_G) - -#define ANT_NONE 0x0 -#define ANT_A BIT(0) -#define ANT_B BIT(1) -#define ANT_AB (ANT_A | ANT_B) -#define ANT_C BIT(2) -#define ANT_AC (ANT_A | ANT_C) -#define ANT_BC (ANT_B | ANT_C) -#define ANT_ABC (ANT_AB | ANT_C) - -#define IL_MAX_MCS_DISPLAY_SIZE 12 - -struct il_rate_mcs_info { - char mbps[IL_MAX_MCS_DISPLAY_SIZE]; - char mcs[IL_MAX_MCS_DISPLAY_SIZE]; -}; - -/** - * struct il_rate_scale_data -- tx success history for one rate - */ -struct il_rate_scale_data { - u64 data; /* bitmap of successful frames */ - s32 success_counter; /* number of frames successful */ - s32 success_ratio; /* per-cent * 128 */ - s32 counter; /* number of frames attempted */ - s32 average_tpt; /* success ratio * expected throughput */ - unsigned long stamp; -}; - -/** - * struct il_scale_tbl_info -- tx params and success history for all rates - * - * There are two of these in struct il_lq_sta, - * one for "active", and one for "search". - */ -struct il_scale_tbl_info { - enum il_table_type lq_type; - u8 ant_type; - u8 is_SGI; /* 1 = short guard interval */ - u8 is_ht40; /* 1 = 40 MHz channel width */ - u8 is_dup; /* 1 = duplicated data streams */ - u8 action; /* change modulation; IL_[LEGACY/SISO/MIMO]_SWITCH_* */ - u8 max_search; /* maximun number of tables we can search */ - s32 *expected_tpt; /* throughput metrics; expected_tpt_G, etc. */ - u32 current_rate; /* rate_n_flags, uCode API format */ - struct il_rate_scale_data win[RATE_COUNT]; /* rate histories */ -}; - -struct il_traffic_load { - unsigned long time_stamp; /* age of the oldest stats */ - u32 packet_count[TID_QUEUE_MAX_SIZE]; /* packet count in this time - * slice */ - u32 total; /* total num of packets during the - * last TID_MAX_TIME_DIFF */ - u8 queue_count; /* number of queues that has - * been used since the last cleanup */ - u8 head; /* start of the circular buffer */ -}; - -/** - * struct il_lq_sta -- driver's rate scaling ilate structure - * - * Pointer to this gets passed back and forth between driver and mac80211. - */ -struct il_lq_sta { - u8 active_tbl; /* idx of active table, range 0-1 */ - u8 enable_counter; /* indicates HT mode */ - u8 stay_in_tbl; /* 1: disallow, 0: allow search for new mode */ - u8 search_better_tbl; /* 1: currently trying alternate mode */ - s32 last_tpt; - - /* The following determine when to search for a new mode */ - u32 table_count_limit; - u32 max_failure_limit; /* # failed frames before new search */ - u32 max_success_limit; /* # successful frames before new search */ - u32 table_count; - u32 total_failed; /* total failed frames, any/all rates */ - u32 total_success; /* total successful frames, any/all rates */ - u64 flush_timer; /* time staying in mode before new search */ - - u8 action_counter; /* # mode-switch actions tried */ - u8 is_green; - u8 is_dup; - enum ieee80211_band band; - - /* The following are bitmaps of rates; RATE_6M_MASK, etc. */ - u32 supp_rates; - u16 active_legacy_rate; - u16 active_siso_rate; - u16 active_mimo2_rate; - s8 max_rate_idx; /* Max rate set by user */ - u8 missed_rate_counter; - - struct il_link_quality_cmd lq; - struct il_scale_tbl_info lq_info[LQ_SIZE]; /* "active", "search" */ - struct il_traffic_load load[TID_MAX_LOAD_COUNT]; - u8 tx_agg_tid_en; -#ifdef CONFIG_MAC80211_DEBUGFS - struct dentry *rs_sta_dbgfs_scale_table_file; - struct dentry *rs_sta_dbgfs_stats_table_file; - struct dentry *rs_sta_dbgfs_rate_scale_data_file; - struct dentry *rs_sta_dbgfs_tx_agg_tid_en_file; - u32 dbg_fixed_rate; -#endif - struct il_priv *drv; - - /* used to be in sta_info */ - int last_txrate_idx; - /* last tx rate_n_flags */ - u32 last_rate_n_flags; - /* packets destined for this STA are aggregated */ - u8 is_agg; -}; - -static inline u8 il4965_num_of_ant(u8 m) -{ - return !!(m & ANT_A) + !!(m & ANT_B) + !!(m & ANT_C); -} - -static inline u8 il4965_first_antenna(u8 mask) -{ - if (mask & ANT_A) - return ANT_A; - if (mask & ANT_B) - return ANT_B; - return ANT_C; -} - - -/** - * il3945_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 il3945_rate_scale_init(struct ieee80211_hw *hw, s32 sta_id); - -/* Initialize station's rate scaling information after adding station */ -extern void il4965_rs_rate_init(struct il_priv *il, - struct ieee80211_sta *sta, u8 sta_id); -extern void il3945_rs_rate_init(struct il_priv *il, - struct ieee80211_sta *sta, u8 sta_id); - -/** - * il_rate_control_register - Register the rate control algorithm callbacks - * - * Since the rate control algorithm is hardware specific, there is no need - * or reason to place it as a stand alone module. The driver can call - * il_rate_control_register in order to register the rate control callbacks - * with the mac80211 subsystem. This should be performed prior to calling - * ieee80211_register_hw - * - */ -extern int il4965_rate_control_register(void); -extern int il3945_rate_control_register(void); - -/** - * il_rate_control_unregister - Unregister the rate control callbacks - * - * This should be called after calling ieee80211_unregister_hw, but before - * the driver is unloaded. - */ -extern void il4965_rate_control_unregister(void); -extern void il3945_rate_control_unregister(void); - -#endif /* __il_rs__ */