| Author | Tokens | Token Proportion | Commits | Commit Proportion |
|---|---|---|---|---|
| Johannes Berg | 514 | 39.84% | 3 | 8.11% |
| Eyal Shapira | 472 | 36.59% | 15 | 40.54% |
| Gregory Greenman | 186 | 14.42% | 8 | 21.62% |
| Eliad Peller | 43 | 3.33% | 3 | 8.11% |
| Luciano Coelho | 38 | 2.95% | 1 | 2.70% |
| Eytan Lifshitz | 20 | 1.55% | 1 | 2.70% |
| Liad Kaufman | 6 | 0.47% | 1 | 2.70% |
| Matti Gottlieb | 3 | 0.23% | 1 | 2.70% |
| Avraham Stern | 3 | 0.23% | 1 | 2.70% |
| Naftali Goldstein | 3 | 0.23% | 1 | 2.70% |
| Thomas Gleixner | 1 | 0.08% | 1 | 2.70% |
| Mordechai Goodstein | 1 | 0.08% | 1 | 2.70% |
| Total | 1290 | 37 |
/* SPDX-License-Identifier: GPL-2.0-only */ /****************************************************************************** * * Copyright(c) 2003 - 2014 Intel Corporation. All rights reserved. * Copyright(c) 2015 Intel Mobile Communications GmbH * Copyright(c) 2017 Intel Deutschland GmbH * Copyright(c) 2018 - 2019 Intel Corporation * * Contact Information: * Intel Linux Wireless <linuxwifi@intel.com> * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497 * *****************************************************************************/ #ifndef __rs_h__ #define __rs_h__ #include <net/mac80211.h> #include "iwl-config.h" #include "fw-api.h" #include "iwl-trans.h" #define RS_NAME "iwl-mvm-rs" struct iwl_rs_rate_info { u8 plcp; /* uCode API: IWL_RATE_6M_PLCP, etc. */ u8 plcp_ht_siso; /* uCode API: IWL_RATE_SISO_6M_PLCP, etc. */ u8 plcp_ht_mimo2; /* uCode API: IWL_RATE_MIMO2_6M_PLCP, etc. */ u8 plcp_vht_siso; u8 plcp_vht_mimo2; u8 prev_rs; /* previous rate used in rs algo */ u8 next_rs; /* next rate used in rs algo */ }; #define IWL_RATE_60M_PLCP 3 enum { IWL_RATE_INVM_INDEX = IWL_RATE_COUNT, IWL_RATE_INVALID = IWL_RATE_COUNT, }; #define LINK_QUAL_MAX_RETRY_NUM 16 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, }; /* #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 HT/VHT bit rates */ enum { IWL_RATE_HT_SISO_MCS_0_PLCP = 0, IWL_RATE_HT_SISO_MCS_1_PLCP = 1, IWL_RATE_HT_SISO_MCS_2_PLCP = 2, IWL_RATE_HT_SISO_MCS_3_PLCP = 3, IWL_RATE_HT_SISO_MCS_4_PLCP = 4, IWL_RATE_HT_SISO_MCS_5_PLCP = 5, IWL_RATE_HT_SISO_MCS_6_PLCP = 6, IWL_RATE_HT_SISO_MCS_7_PLCP = 7, IWL_RATE_HT_MIMO2_MCS_0_PLCP = 0x8, IWL_RATE_HT_MIMO2_MCS_1_PLCP = 0x9, IWL_RATE_HT_MIMO2_MCS_2_PLCP = 0xA, IWL_RATE_HT_MIMO2_MCS_3_PLCP = 0xB, IWL_RATE_HT_MIMO2_MCS_4_PLCP = 0xC, IWL_RATE_HT_MIMO2_MCS_5_PLCP = 0xD, IWL_RATE_HT_MIMO2_MCS_6_PLCP = 0xE, IWL_RATE_HT_MIMO2_MCS_7_PLCP = 0xF, IWL_RATE_VHT_SISO_MCS_0_PLCP = 0, IWL_RATE_VHT_SISO_MCS_1_PLCP = 1, IWL_RATE_VHT_SISO_MCS_2_PLCP = 2, IWL_RATE_VHT_SISO_MCS_3_PLCP = 3, IWL_RATE_VHT_SISO_MCS_4_PLCP = 4, IWL_RATE_VHT_SISO_MCS_5_PLCP = 5, IWL_RATE_VHT_SISO_MCS_6_PLCP = 6, IWL_RATE_VHT_SISO_MCS_7_PLCP = 7, IWL_RATE_VHT_SISO_MCS_8_PLCP = 8, IWL_RATE_VHT_SISO_MCS_9_PLCP = 9, IWL_RATE_VHT_MIMO2_MCS_0_PLCP = 0x10, IWL_RATE_VHT_MIMO2_MCS_1_PLCP = 0x11, IWL_RATE_VHT_MIMO2_MCS_2_PLCP = 0x12, IWL_RATE_VHT_MIMO2_MCS_3_PLCP = 0x13, IWL_RATE_VHT_MIMO2_MCS_4_PLCP = 0x14, IWL_RATE_VHT_MIMO2_MCS_5_PLCP = 0x15, IWL_RATE_VHT_MIMO2_MCS_6_PLCP = 0x16, IWL_RATE_VHT_MIMO2_MCS_7_PLCP = 0x17, IWL_RATE_VHT_MIMO2_MCS_8_PLCP = 0x18, IWL_RATE_VHT_MIMO2_MCS_9_PLCP = 0x19, IWL_RATE_HT_SISO_MCS_INV_PLCP, IWL_RATE_HT_MIMO2_MCS_INV_PLCP = IWL_RATE_HT_SISO_MCS_INV_PLCP, IWL_RATE_VHT_SISO_MCS_INV_PLCP = IWL_RATE_HT_SISO_MCS_INV_PLCP, IWL_RATE_VHT_MIMO2_MCS_INV_PLCP = IWL_RATE_HT_SISO_MCS_INV_PLCP, IWL_RATE_HT_SISO_MCS_8_PLCP = IWL_RATE_HT_SISO_MCS_INV_PLCP, IWL_RATE_HT_SISO_MCS_9_PLCP = IWL_RATE_HT_SISO_MCS_INV_PLCP, IWL_RATE_HT_MIMO2_MCS_8_PLCP = IWL_RATE_HT_SISO_MCS_INV_PLCP, IWL_RATE_HT_MIMO2_MCS_9_PLCP = IWL_RATE_HT_SISO_MCS_INV_PLCP, }; #define IWL_RATES_MASK ((1 << IWL_RATE_COUNT) - 1) #define IWL_INVALID_VALUE -1 #define TPC_MAX_REDUCTION 15 #define TPC_NO_REDUCTION 0 #define TPC_INVALID 0xff #define LINK_QUAL_AGG_FRAME_LIMIT_DEF (63) #define LINK_QUAL_AGG_FRAME_LIMIT_MAX (63) /* * FIXME - various places in firmware API still use u8, * e.g. LQ command and SCD config command. * This should be 256 instead. */ #define LINK_QUAL_AGG_FRAME_LIMIT_GEN2_DEF (255) #define LINK_QUAL_AGG_FRAME_LIMIT_GEN2_MAX (255) #define LINK_QUAL_AGG_FRAME_LIMIT_MIN (0) #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_ALL_TID 0xff enum iwl_table_type { LQ_NONE, LQ_LEGACY_G, /* legacy types */ LQ_LEGACY_A, LQ_HT_SISO, /* HT types */ LQ_HT_MIMO2, LQ_VHT_SISO, /* VHT types */ LQ_VHT_MIMO2, LQ_HE_SISO, /* HE types */ LQ_HE_MIMO2, LQ_MAX, }; struct rs_rate { int index; enum iwl_table_type type; u8 ant; u32 bw; bool sgi; bool ldpc; bool stbc; bool bfer; }; #define is_type_legacy(type) (((type) == LQ_LEGACY_G) || \ ((type) == LQ_LEGACY_A)) #define is_type_ht_siso(type) ((type) == LQ_HT_SISO) #define is_type_ht_mimo2(type) ((type) == LQ_HT_MIMO2) #define is_type_vht_siso(type) ((type) == LQ_VHT_SISO) #define is_type_vht_mimo2(type) ((type) == LQ_VHT_MIMO2) #define is_type_he_siso(type) ((type) == LQ_HE_SISO) #define is_type_he_mimo2(type) ((type) == LQ_HE_MIMO2) #define is_type_siso(type) (is_type_ht_siso(type) || is_type_vht_siso(type) || \ is_type_he_siso(type)) #define is_type_mimo2(type) (is_type_ht_mimo2(type) || \ is_type_vht_mimo2(type) || is_type_he_mimo2(type)) #define is_type_mimo(type) (is_type_mimo2(type)) #define is_type_ht(type) (is_type_ht_siso(type) || is_type_ht_mimo2(type)) #define is_type_vht(type) (is_type_vht_siso(type) || is_type_vht_mimo2(type)) #define is_type_he(type) (is_type_he_siso(type) || is_type_he_mimo2(type)) #define is_type_a_band(type) ((type) == LQ_LEGACY_A) #define is_type_g_band(type) ((type) == LQ_LEGACY_G) #define is_legacy(rate) is_type_legacy((rate)->type) #define is_ht_siso(rate) is_type_ht_siso((rate)->type) #define is_ht_mimo2(rate) is_type_ht_mimo2((rate)->type) #define is_vht_siso(rate) is_type_vht_siso((rate)->type) #define is_vht_mimo2(rate) is_type_vht_mimo2((rate)->type) #define is_siso(rate) is_type_siso((rate)->type) #define is_mimo2(rate) is_type_mimo2((rate)->type) #define is_mimo(rate) is_type_mimo((rate)->type) #define is_ht(rate) is_type_ht((rate)->type) #define is_vht(rate) is_type_vht((rate)->type) #define is_he(rate) is_type_he((rate)->type) #define is_a_band(rate) is_type_a_band((rate)->type) #define is_g_band(rate) is_type_g_band((rate)->type) #define is_ht20(rate) ((rate)->bw == RATE_MCS_CHAN_WIDTH_20) #define is_ht40(rate) ((rate)->bw == RATE_MCS_CHAN_WIDTH_40) #define is_ht80(rate) ((rate)->bw == RATE_MCS_CHAN_WIDTH_80) #define is_ht160(rate) ((rate)->bw == RATE_MCS_CHAN_WIDTH_160) #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_lq_sta_rs_fw - rate and related statistics for RS in FW * @last_rate_n_flags: last rate reported by FW * @sta_id: the id of the station #ifdef CONFIG_MAC80211_DEBUGFS * @dbg_fixed_rate: for debug, use fixed rate if not 0 * @dbg_agg_frame_count_lim: for debug, max number of frames in A-MPDU #endif * @chains: bitmask of chains reported in %chain_signal * @chain_signal: per chain signal strength * @last_rssi: last rssi reported * @drv: pointer back to the driver data */ struct iwl_lq_sta_rs_fw { /* last tx rate_n_flags */ u32 last_rate_n_flags; /* persistent fields - initialized only once - keep last! */ struct lq_sta_pers_rs_fw { u32 sta_id; #ifdef CONFIG_MAC80211_DEBUGFS u32 dbg_fixed_rate; u16 dbg_agg_frame_count_lim; #endif u8 chains; s8 chain_signal[IEEE80211_MAX_CHAINS]; s8 last_rssi; struct iwl_mvm *drv; } pers; }; /** * 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 */ }; /* Possible Tx columns * Tx Column = a combo of legacy/siso/mimo x antenna x SGI */ enum rs_column { RS_COLUMN_LEGACY_ANT_A = 0, RS_COLUMN_LEGACY_ANT_B, RS_COLUMN_SISO_ANT_A, RS_COLUMN_SISO_ANT_B, RS_COLUMN_SISO_ANT_A_SGI, RS_COLUMN_SISO_ANT_B_SGI, RS_COLUMN_MIMO2, RS_COLUMN_MIMO2_SGI, RS_COLUMN_LAST = RS_COLUMN_MIMO2_SGI, RS_COLUMN_COUNT = RS_COLUMN_LAST + 1, RS_COLUMN_INVALID, }; enum rs_ss_force_opt { RS_SS_FORCE_NONE = 0, RS_SS_FORCE_STBC, RS_SS_FORCE_BFER, RS_SS_FORCE_SISO, }; /* Packet stats per rate */ struct rs_rate_stats { u64 success; u64 total; }; /** * 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 { struct rs_rate rate; enum rs_column column; const u16 *expected_tpt; /* throughput metrics; expected_tpt_G, etc. */ struct iwl_rate_scale_data win[IWL_RATE_COUNT]; /* rate histories */ /* per txpower-reduction history */ struct iwl_rate_scale_data tpc_win[TPC_MAX_REDUCTION + 1]; }; enum { RS_STATE_SEARCH_CYCLE_STARTED, RS_STATE_SEARCH_CYCLE_ENDED, RS_STATE_STAY_IN_COLUMN, }; /** * 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 rs_state; /* RS_STATE_* */ 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 */ u32 visited_columns; /* Bitmask marking which Tx columns were * explored during a search cycle */ u64 last_tx; bool is_vht; bool ldpc; /* LDPC Rx is supported by the STA */ bool stbc_capable; /* Tx STBC is supported by chip and Rx by STA */ bool bfer_capable; /* Remote supports beamformee and we BFer */ enum nl80211_band band; /* The following are bitmaps of rates; IWL_RATE_6M_MASK, etc. */ unsigned long active_legacy_rate; unsigned long active_siso_rate; unsigned long active_mimo2_rate; /* Highest rate per Tx mode */ u8 max_legacy_rate_idx; u8 max_siso_rate_idx; u8 max_mimo2_rate_idx; /* Optimal rate based on RSSI and STA caps. * Used only to reflect link speed to userspace. */ struct rs_rate optimal_rate; unsigned long optimal_rate_mask; const struct rs_init_rate_info *optimal_rates; int optimal_nentries; u8 missed_rate_counter; struct iwl_lq_cmd lq; struct iwl_scale_tbl_info lq_info[LQ_SIZE]; /* "active", "search" */ u8 tx_agg_tid_en; /* last tx rate_n_flags */ u32 last_rate_n_flags; /* packets destined for this STA are aggregated */ u8 is_agg; /* tx power reduce for this sta */ int tpc_reduce; /* persistent fields - initialized only once - keep last! */ struct lq_sta_pers { #ifdef CONFIG_MAC80211_DEBUGFS u32 dbg_fixed_rate; u8 dbg_fixed_txp_reduction; /* force STBC/BFER/SISO for testing */ enum rs_ss_force_opt ss_force; #endif u8 chains; s8 chain_signal[IEEE80211_MAX_CHAINS]; s8 last_rssi; struct rs_rate_stats tx_stats[RS_COLUMN_COUNT][IWL_RATE_COUNT]; struct iwl_mvm *drv; spinlock_t lock; /* for races in reinit/update table */ } pers; }; /* ieee80211_tx_info's status_driver_data[0] is packed with lq color and txp * Note, it's iwlmvm <-> mac80211 interface. * bits 0-7: reduced tx power * bits 8-10: LQ command's color */ #define RS_DRV_DATA_TXP_MSK 0xff #define RS_DRV_DATA_LQ_COLOR_POS 8 #define RS_DRV_DATA_LQ_COLOR_MSK (7 << RS_DRV_DATA_LQ_COLOR_POS) #define RS_DRV_DATA_LQ_COLOR_GET(_f) (((_f) & RS_DRV_DATA_LQ_COLOR_MSK) >>\ RS_DRV_DATA_LQ_COLOR_POS) #define RS_DRV_DATA_PACK(_c, _p) ((void *)(uintptr_t)\ (((uintptr_t)_p) |\ ((_c) << RS_DRV_DATA_LQ_COLOR_POS))) /* Initialize station's rate scaling information after adding station */ void iwl_mvm_rs_rate_init(struct iwl_mvm *mvm, struct ieee80211_sta *sta, enum nl80211_band band, bool init); /* Notify RS about Tx status */ void iwl_mvm_rs_tx_status(struct iwl_mvm *mvm, struct ieee80211_sta *sta, int tid, struct ieee80211_tx_info *info, bool ndp); /** * 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 iwl_mvm_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 iwl_mvm_rate_control_unregister(void); struct iwl_mvm_sta; int iwl_mvm_tx_protection(struct iwl_mvm *mvm, struct iwl_mvm_sta *mvmsta, bool enable); #ifdef CONFIG_IWLWIFI_DEBUGFS void iwl_mvm_reset_frame_stats(struct iwl_mvm *mvm); #endif #ifdef CONFIG_MAC80211_DEBUGFS void rs_remove_sta_debugfs(void *mvm, void *mvm_sta); #endif void iwl_mvm_rs_add_sta(struct iwl_mvm *mvm, struct iwl_mvm_sta *mvmsta); void rs_fw_rate_init(struct iwl_mvm *mvm, struct ieee80211_sta *sta, enum nl80211_band band, bool update); int rs_fw_tx_protection(struct iwl_mvm *mvm, struct iwl_mvm_sta *mvmsta, bool enable); void iwl_mvm_tlc_update_notif(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb); #endif /* __rs__ */
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