| Author | Tokens | Token Proportion | Commits | Commit Proportion |
|---|---|---|---|---|
| Yi Zhu | 535 | 47.73% | 5 | 10.20% |
| Guy Cohen | 137 | 12.22% | 3 | 6.12% |
| Ben M Cahill | 108 | 9.63% | 2 | 4.08% |
| Ron Rindjunsky | 78 | 6.96% | 1 | 2.04% |
| Wey-Yi Guy | 77 | 6.87% | 4 | 8.16% |
| Tomas Winkler | 58 | 5.17% | 7 | 14.29% |
| Mohamed Abbas | 51 | 4.55% | 5 | 10.20% |
| Reinette Chatre | 32 | 2.85% | 4 | 8.16% |
| Johannes Berg | 18 | 1.61% | 10 | 20.41% |
| Daniel C. Halperin | 11 | 0.98% | 2 | 4.08% |
| Emmanuel Grumbach | 6 | 0.54% | 2 | 4.08% |
| Christoph Hellwig | 4 | 0.36% | 1 | 2.04% |
| Samuel Ortiz | 4 | 0.36% | 1 | 2.04% |
| Thomas Gleixner | 1 | 0.09% | 1 | 2.04% |
| Abhijeet Kolekar | 1 | 0.09% | 1 | 2.04% |
| Total | 1121 | 49 |
/* SPDX-License-Identifier: GPL-2.0-only */ /****************************************************************************** * * Copyright(c) 2003 - 2014 Intel Corporation. All rights reserved. *****************************************************************************/ #ifndef __iwl_agn_rs_h__ #define __iwl_agn_rs_h__ #include <net/mac80211.h> #include "iwl-config.h" #include "commands.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. */ u8 plcp_mimo2; /* uCode API: IWL_RATE_MIMO2_6M_PLCP, etc. */ u8 plcp_mimo3; /* uCode API: IWL_RATE_MIMO3_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 */ }; /* * These serve as indexes into * struct iwl_rate_info iwl_rates[IWL_RATE_COUNT]; */ enum { IWL_RATE_1M_INDEX = 0, IWL_RATE_2M_INDEX, IWL_RATE_5M_INDEX, IWL_RATE_11M_INDEX, IWL_RATE_6M_INDEX, IWL_RATE_9M_INDEX, IWL_RATE_12M_INDEX, IWL_RATE_18M_INDEX, IWL_RATE_24M_INDEX, IWL_RATE_36M_INDEX, IWL_RATE_48M_INDEX, IWL_RATE_54M_INDEX, IWL_RATE_60M_INDEX, IWL_RATE_COUNT, /*FIXME:RS:change to IWL_RATE_INDEX_COUNT,*/ IWL_RATE_COUNT_LEGACY = IWL_RATE_COUNT - 1, /* Excluding 60M */ 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, IWL_LAST_OFDM_RATE = IWL_RATE_60M_INDEX, IWL_FIRST_CCK_RATE = IWL_RATE_1M_INDEX, IWL_LAST_CCK_RATE = IWL_RATE_11M_INDEX, }; /* #define vs. enum to keep from defaulting to 'large integer' */ #define IWL_RATE_6M_MASK (1 << IWL_RATE_6M_INDEX) #define IWL_RATE_9M_MASK (1 << IWL_RATE_9M_INDEX) #define IWL_RATE_12M_MASK (1 << IWL_RATE_12M_INDEX) #define IWL_RATE_18M_MASK (1 << IWL_RATE_18M_INDEX) #define IWL_RATE_24M_MASK (1 << IWL_RATE_24M_INDEX) #define IWL_RATE_36M_MASK (1 << IWL_RATE_36M_INDEX) #define IWL_RATE_48M_MASK (1 << IWL_RATE_48M_INDEX) #define IWL_RATE_54M_MASK (1 << IWL_RATE_54M_INDEX) #define IWL_RATE_60M_MASK (1 << IWL_RATE_60M_INDEX) #define IWL_RATE_1M_MASK (1 << IWL_RATE_1M_INDEX) #define IWL_RATE_2M_MASK (1 << IWL_RATE_2M_INDEX) #define IWL_RATE_5M_MASK (1 << IWL_RATE_5M_INDEX) #define IWL_RATE_11M_MASK (1 << IWL_RATE_11M_INDEX) /* uCode API values for legacy bit rates, both OFDM and CCK */ enum { IWL_RATE_6M_PLCP = 13, IWL_RATE_9M_PLCP = 15, IWL_RATE_12M_PLCP = 5, IWL_RATE_18M_PLCP = 7, IWL_RATE_24M_PLCP = 9, IWL_RATE_36M_PLCP = 11, IWL_RATE_48M_PLCP = 1, IWL_RATE_54M_PLCP = 3, IWL_RATE_60M_PLCP = 3,/*FIXME:RS:should be removed*/ IWL_RATE_1M_PLCP = 10, IWL_RATE_2M_PLCP = 20, IWL_RATE_5M_PLCP = 55, IWL_RATE_11M_PLCP = 110, /*FIXME:RS:change to IWL_RATE_LEGACY_??M_PLCP */ /*FIXME:RS:add IWL_RATE_LEGACY_INVM_PLCP = 0,*/ }; /* uCode API values for OFDM high-throughput (HT) bit rates */ enum { IWL_RATE_SISO_6M_PLCP = 0, IWL_RATE_SISO_12M_PLCP = 1, IWL_RATE_SISO_18M_PLCP = 2, IWL_RATE_SISO_24M_PLCP = 3, IWL_RATE_SISO_36M_PLCP = 4, IWL_RATE_SISO_48M_PLCP = 5, IWL_RATE_SISO_54M_PLCP = 6, IWL_RATE_SISO_60M_PLCP = 7, IWL_RATE_MIMO2_6M_PLCP = 0x8, IWL_RATE_MIMO2_12M_PLCP = 0x9, IWL_RATE_MIMO2_18M_PLCP = 0xa, IWL_RATE_MIMO2_24M_PLCP = 0xb, IWL_RATE_MIMO2_36M_PLCP = 0xc, IWL_RATE_MIMO2_48M_PLCP = 0xd, IWL_RATE_MIMO2_54M_PLCP = 0xe, IWL_RATE_MIMO2_60M_PLCP = 0xf, IWL_RATE_MIMO3_6M_PLCP = 0x10, IWL_RATE_MIMO3_12M_PLCP = 0x11, IWL_RATE_MIMO3_18M_PLCP = 0x12, IWL_RATE_MIMO3_24M_PLCP = 0x13, IWL_RATE_MIMO3_36M_PLCP = 0x14, IWL_RATE_MIMO3_48M_PLCP = 0x15, IWL_RATE_MIMO3_54M_PLCP = 0x16, IWL_RATE_MIMO3_60M_PLCP = 0x17, IWL_RATE_SISO_INVM_PLCP, IWL_RATE_MIMO2_INVM_PLCP = IWL_RATE_SISO_INVM_PLCP, IWL_RATE_MIMO3_INVM_PLCP = IWL_RATE_SISO_INVM_PLCP, }; /* MAC header values for bit rates */ enum { IWL_RATE_6M_IEEE = 12, IWL_RATE_9M_IEEE = 18, IWL_RATE_12M_IEEE = 24, IWL_RATE_18M_IEEE = 36, IWL_RATE_24M_IEEE = 48, IWL_RATE_36M_IEEE = 72, IWL_RATE_48M_IEEE = 96, IWL_RATE_54M_IEEE = 108, IWL_RATE_60M_IEEE = 120, IWL_RATE_1M_IEEE = 2, IWL_RATE_2M_IEEE = 4, IWL_RATE_5M_IEEE = 11, IWL_RATE_11M_IEEE = 22, }; #define IWL_RATES_MASK ((1 << IWL_RATE_COUNT) - 1) #define IWL_INVALID_VALUE -1 #define IWL_MIN_RSSI_VAL -100 #define IWL_MAX_RSSI_VAL 0 /* These values specify how many Tx frame attempts before * searching for a new modulation mode */ #define IWL_LEGACY_FAILURE_LIMIT 160 #define IWL_LEGACY_SUCCESS_LIMIT 480 #define IWL_LEGACY_TABLE_COUNT 160 #define IWL_NONE_LEGACY_FAILURE_LIMIT 400 #define IWL_NONE_LEGACY_SUCCESS_LIMIT 4500 #define IWL_NONE_LEGACY_TABLE_COUNT 1500 /* Success ratio (ACKed / attempted tx frames) values (perfect is 128 * 100) */ #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 6400 /* 50% */ #define IWL_RATE_DECREASE_TH 1920 /* 15% */ /* possible actions when in legacy mode */ #define IWL_LEGACY_SWITCH_ANTENNA1 0 #define IWL_LEGACY_SWITCH_ANTENNA2 1 #define IWL_LEGACY_SWITCH_SISO 2 #define IWL_LEGACY_SWITCH_MIMO2_AB 3 #define IWL_LEGACY_SWITCH_MIMO2_AC 4 #define IWL_LEGACY_SWITCH_MIMO2_BC 5 #define IWL_LEGACY_SWITCH_MIMO3_ABC 6 /* possible actions when in siso mode */ #define IWL_SISO_SWITCH_ANTENNA1 0 #define IWL_SISO_SWITCH_ANTENNA2 1 #define IWL_SISO_SWITCH_MIMO2_AB 2 #define IWL_SISO_SWITCH_MIMO2_AC 3 #define IWL_SISO_SWITCH_MIMO2_BC 4 #define IWL_SISO_SWITCH_GI 5 #define IWL_SISO_SWITCH_MIMO3_ABC 6 /* possible actions when in mimo mode */ #define IWL_MIMO2_SWITCH_ANTENNA1 0 #define IWL_MIMO2_SWITCH_ANTENNA2 1 #define IWL_MIMO2_SWITCH_SISO_A 2 #define IWL_MIMO2_SWITCH_SISO_B 3 #define IWL_MIMO2_SWITCH_SISO_C 4 #define IWL_MIMO2_SWITCH_GI 5 #define IWL_MIMO2_SWITCH_MIMO3_ABC 6 /* possible actions when in mimo3 mode */ #define IWL_MIMO3_SWITCH_ANTENNA1 0 #define IWL_MIMO3_SWITCH_ANTENNA2 1 #define IWL_MIMO3_SWITCH_SISO_A 2 #define IWL_MIMO3_SWITCH_SISO_B 3 #define IWL_MIMO3_SWITCH_SISO_C 4 #define IWL_MIMO3_SWITCH_MIMO2_AB 5 #define IWL_MIMO3_SWITCH_MIMO2_AC 6 #define IWL_MIMO3_SWITCH_MIMO2_BC 7 #define IWL_MIMO3_SWITCH_GI 8 #define IWL_MAX_11N_MIMO3_SEARCH IWL_MIMO3_SWITCH_GI #define IWL_MAX_SEARCH IWL_MIMO2_SWITCH_MIMO3_ABC /*FIXME:RS:add possible actions for MIMO3*/ #define IWL_ACTION_LIMIT 3 /* # possible actions */ #define LQ_SIZE 2 /* 2 mode tables: "Active" and "Search" */ /* load per tid defines for A-MPDU activation */ #define IWL_AGG_TPT_THREHOLD 0 #define IWL_AGG_LOAD_THRESHOLD 10 #define IWL_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_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 iwl_rate_info iwl_rates[IWL_RATE_COUNT]; enum iwl_table_type { LQ_NONE, LQ_G, /* legacy types */ LQ_A, LQ_SISO, /* high-throughput types */ LQ_MIMO2, LQ_MIMO3, 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_mimo3(tbl) ((tbl) == LQ_MIMO3) #define is_mimo(tbl) (is_mimo2(tbl) || is_mimo3(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 IWL_MAX_MCS_DISPLAY_SIZE 12 struct iwl_rate_mcs_info { char mbps[IWL_MAX_MCS_DISPLAY_SIZE]; char mcs[IWL_MAX_MCS_DISPLAY_SIZE]; }; /** * struct iwl_rate_scale_data -- tx success history for one rate */ struct iwl_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 iwl_scale_tbl_info -- tx params and success history for all rates * * There are two of these in struct iwl_lq_sta, * one for "active", and one for "search". */ struct iwl_scale_tbl_info { enum iwl_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; IWL_[LEGACY/SISO/MIMO]_SWITCH_* */ u8 max_search; /* maximun number of tables we can search */ const u16 *expected_tpt; /* throughput metrics; expected_tpt_G, etc. */ u32 current_rate; /* rate_n_flags, uCode API format */ struct iwl_rate_scale_data win[IWL_RATE_COUNT]; /* rate histories */ }; struct iwl_traffic_load { unsigned long time_stamp; /* age of the oldest statistics */ 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 iwl_lq_sta -- driver's rate scaling private structure * * Pointer to this gets passed back and forth between driver and mac80211. */ struct iwl_lq_sta { u8 active_tbl; /* index 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 nl80211_band band; /* The following are bitmaps of rates; IWL_RATE_6M_MASK, etc. */ u32 supp_rates; u16 active_legacy_rate; u16 active_siso_rate; u16 active_mimo2_rate; u16 active_mimo3_rate; s8 max_rate_idx; /* Max rate set by user */ u8 missed_rate_counter; struct iwl_link_quality_cmd lq; struct iwl_scale_tbl_info lq_info[LQ_SIZE]; /* "active", "search" */ struct iwl_traffic_load load[IWL_MAX_TID_COUNT]; u8 tx_agg_tid_en; #ifdef CONFIG_MAC80211_DEBUGFS u32 dbg_fixed_rate; #endif struct iwl_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; /* BT traffic this sta was last updated in */ u8 last_bt_traffic; }; static inline u8 first_antenna(u8 mask) { if (mask & ANT_A) return ANT_A; if (mask & ANT_B) return ANT_B; return ANT_C; } /* Initialize station's rate scaling information after adding station */ void iwl_rs_rate_init(struct iwl_priv *priv, struct ieee80211_sta *sta, u8 sta_id); /** * iwl_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 * iwl_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 * */ int iwlagn_rate_control_register(void); /** * iwl_rate_control_unregister - Unregister the rate control callbacks * * This should be called after calling ieee80211_unregister_hw, but before * the driver is unloaded. */ void iwlagn_rate_control_unregister(void); #endif /* __iwl_agn__rs__ */
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