Return-path: Received: from paleale.coelho.fi ([176.9.41.70]:51994 "EHLO farmhouse.coelho.fi" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S933733AbeF3InE (ORCPT ); Sat, 30 Jun 2018 04:43:04 -0400 From: Luca Coelho To: kvalo@codeaurora.org Cc: linux-wireless@vger.kernel.org, emmanuel.grumbach@intel.com, ilan.peer@intel.com, johannes@sipsolutions.net, liad.kaufman@intel.com, sara.sharon@intel.com, shaul.triebitz@intel.com, Luca Coelho Date: Sat, 30 Jun 2018 11:42:50 +0300 Message-Id: <20180630084253.30660-2-luca@coelho.fi> (sfid-20180630_104320_823963_94173728) In-Reply-To: <20180630084253.30660-1-luca@coelho.fi> References: <20180630084253.30660-1-luca@coelho.fi> Subject: [PATCH v2 1/4] iwlwifi: fw: add FW APIs for HE Sender: linux-wireless-owner@vger.kernel.org List-ID: From: Luca Coelho Add the FW API definitions for HE support. Signed-off-by: Luca Coelho --- .../wireless/intel/iwlwifi/fw/api/datapath.h | 5 + .../net/wireless/intel/iwlwifi/fw/api/mac.h | 172 ++++++++++++++++++ .../wireless/intel/iwlwifi/fw/api/nvm-reg.h | 4 +- .../net/wireless/intel/iwlwifi/fw/api/rs.h | 36 +++- .../net/wireless/intel/iwlwifi/fw/api/rx.h | 53 +++++- 5 files changed, 257 insertions(+), 13 deletions(-) diff --git a/drivers/net/wireless/intel/iwlwifi/fw/api/datapath.h b/drivers/net/wireless/intel/iwlwifi/fw/api/datapath.h index 5f6e855006dd..c1bf3898f8b6 100644 --- a/drivers/net/wireless/intel/iwlwifi/fw/api/datapath.h +++ b/drivers/net/wireless/intel/iwlwifi/fw/api/datapath.h @@ -82,6 +82,11 @@ enum iwl_data_path_subcmd_ids { */ TRIGGER_RX_QUEUES_NOTIF_CMD = 0x2, + /** + * @STA_HE_CTXT_CMD: &struct iwl_he_sta_context_cmd + */ + STA_HE_CTXT_CMD = 0x7, + /** * @TLC_MNG_CONFIG_CMD: &struct iwl_tlc_config_cmd */ diff --git a/drivers/net/wireless/intel/iwlwifi/fw/api/mac.h b/drivers/net/wireless/intel/iwlwifi/fw/api/mac.h index f2e31e040a7b..55594c93b014 100644 --- a/drivers/net/wireless/intel/iwlwifi/fw/api/mac.h +++ b/drivers/net/wireless/intel/iwlwifi/fw/api/mac.h @@ -7,6 +7,7 @@ * * Copyright(c) 2012 - 2014 Intel Corporation. All rights reserved. * Copyright(c) 2017 Intel Deutschland GmbH + * Copyright(c) 2018 Intel Corporation * * 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 @@ -28,6 +29,7 @@ * * Copyright(c) 2012 - 2014 Intel Corporation. All rights reserved. * Copyright(c) 2017 Intel Deutschland GmbH + * Copyright(c) 2018 Intel Corporation * All rights reserved. * * Redistribution and use in source and binary forms, with or without @@ -279,6 +281,10 @@ enum iwl_mac_filter_flags { MAC_FILTER_OUT_BCAST = BIT(8), MAC_FILTER_IN_CRC32 = BIT(11), MAC_FILTER_IN_PROBE_REQUEST = BIT(12), + /** + * @MAC_FILTER_IN_11AX: mark BSS as supporting 802.11ax + */ + MAC_FILTER_IN_11AX = BIT(14), }; /** @@ -406,4 +412,170 @@ struct iwl_missed_beacons_notif { __le32 num_recvd_beacons; } __packed; /* MISSED_BEACON_NTFY_API_S_VER_3 */ +/** + * struct iwl_he_backoff_conf - used for backoff configuration + * Per each trigger-based AC, (set by MU EDCA Parameter set info-element) + * used for backoff configuration of TXF5..TXF8 trigger based. + * The MU-TIMER is reloaded w/ MU_TIME each time a frame from the AC is sent via + * trigger-based TX. + * @cwmin: CW min + * @cwmax: CW max + * @aifsn: AIFSN + * AIFSN=0, means that no backoff from the specified TRIG-BASED AC is + * allowed till the MU-TIMER is 0 + * @mu_time: MU time in 8TU units + */ +struct iwl_he_backoff_conf { + __le16 cwmin; + __le16 cwmax; + __le16 aifsn; + __le16 mu_time; +} __packed; /* AC_QOS_DOT11AX_API_S */ + +#define MAX_HE_SUPP_NSS 2 +#define MAX_HE_CHANNEL_BW_INDX 4 + +/** + * struct iwl_he_pkt_ext - QAM thresholds + * The required PPE is set via HE Capabilities IE, per Nss x BW x MCS + * The IE is organized in the following way: + * Support for Nss x BW (or RU) matrix: + * (0=SISO, 1=MIMO2) x (0-20MHz, 1-40MHz, 2-80MHz, 3-160MHz) + * Each entry contains 2 QAM thresholds for 8us and 16us: + * 0=BPSK, 1=QPSK, 2=16QAM, 3=64QAM, 4=256QAM, 5=1024QAM, 6/7=RES + * i.e. QAM_th1 < QAM_th2 such if TX uses QAM_tx: + * QAM_tx < QAM_th1 --> PPE=0us + * QAM_th1 <= QAM_tx < QAM_th2 --> PPE=8us + * QAM_th2 <= QAM_tx --> PPE=16us + * @pkt_ext_qam_th: QAM thresholds + * For each Nss/Bw define 2 QAM thrsholds (0..5) + * For rates below the low_th, no need for PPE + * For rates between low_th and high_th, need 8us PPE + * For rates equal or higher then the high_th, need 16us PPE + * Nss (0-siso, 1-mimo2) x BW (0-20MHz, 1-40MHz, 2-80MHz, 3-160MHz) x + * (0-low_th, 1-high_th) + */ +struct iwl_he_pkt_ext { + u8 pkt_ext_qam_th[MAX_HE_SUPP_NSS][MAX_HE_CHANNEL_BW_INDX][2]; +} __packed; /* PKT_EXT_DOT11AX_API_S */ + +/** + * enum iwl_he_sta_ctxt_flags - HE STA context flags + * @STA_CTXT_HE_REF_BSSID_VALID: ref bssid addr valid (for receiving specific + * control frames such as TRIG, NDPA, BACK) + * @STA_CTXT_HE_BSS_COLOR_DIS: BSS color disable, don't use the BSS + * color for RX filter but use MAC header + * @STA_CTXT_HE_PARTIAL_BSS_COLOR: partial BSS color allocation + * @STA_CTXT_HE_32BIT_BA_BITMAP: indicates the receiver supports BA bitmap + * of 32-bits + * @STA_CTXT_HE_PACKET_EXT: indicates that the packet-extension info is valid + * and should be used + * @STA_CTXT_HE_TRIG_RND_ALLOC: indicates that trigger based random allocation + * is enabled according to UORA element existence + * @STA_CTXT_HE_CONST_TRIG_RND_ALLOC: used for AV testing + * @STA_CTXT_HE_ACK_ENABLED: indicates that the AP supports receiving ACK- + * enabled AGG, i.e. both BACK and non-BACK frames in a single AGG + * @STA_CTXT_HE_MU_EDCA_CW: indicates that there is an element of MU EDCA + * parameter set, i.e. the backoff counters for trig-based ACs + */ +enum iwl_he_sta_ctxt_flags { + STA_CTXT_HE_REF_BSSID_VALID = BIT(4), + STA_CTXT_HE_BSS_COLOR_DIS = BIT(5), + STA_CTXT_HE_PARTIAL_BSS_COLOR = BIT(6), + STA_CTXT_HE_32BIT_BA_BITMAP = BIT(7), + STA_CTXT_HE_PACKET_EXT = BIT(8), + STA_CTXT_HE_TRIG_RND_ALLOC = BIT(9), + STA_CTXT_HE_CONST_TRIG_RND_ALLOC = BIT(10), + STA_CTXT_HE_ACK_ENABLED = BIT(11), + STA_CTXT_HE_MU_EDCA_CW = BIT(12), +}; + +/** + * enum iwl_he_htc_flags - HE HTC support flags + * @IWL_HE_HTC_SUPPORT: HE-HTC support + * @IWL_HE_HTC_UL_MU_RESP_SCHED: HE UL MU response schedule + * support via A-control field + * @IWL_HE_HTC_BSR_SUPP: BSR support in A-control field + * @IWL_HE_HTC_OMI_SUPP: A-OMI support in A-control field + * @IWL_HE_HTC_BQR_SUPP: A-BQR support in A-control field + */ +enum iwl_he_htc_flags { + IWL_HE_HTC_SUPPORT = BIT(0), + IWL_HE_HTC_UL_MU_RESP_SCHED = BIT(3), + IWL_HE_HTC_BSR_SUPP = BIT(4), + IWL_HE_HTC_OMI_SUPP = BIT(5), + IWL_HE_HTC_BQR_SUPP = BIT(6), +}; + +/* + * @IWL_HE_HTC_LINK_ADAP_NO_FEEDBACK: the STA does not provide HE MFB + * @IWL_HE_HTC_LINK_ADAP_UNSOLICITED: the STA provides only unsolicited HE MFB + * @IWL_HE_HTC_LINK_ADAP_BOTH: the STA is capable of providing HE MFB in + * response to HE MRQ and if the STA provides unsolicited HE MFB + */ +#define IWL_HE_HTC_LINK_ADAP_POS (1) +#define IWL_HE_HTC_LINK_ADAP_NO_FEEDBACK (0) +#define IWL_HE_HTC_LINK_ADAP_UNSOLICITED (2 << IWL_HE_HTC_LINK_ADAP_POS) +#define IWL_HE_HTC_LINK_ADAP_BOTH (3 << IWL_HE_HTC_LINK_ADAP_POS) + +/** + * struct iwl_he_sta_context_cmd - configure FW to work with HE AP + * @sta_id: STA id + * @tid_limit: max num of TIDs in TX HE-SU multi-TID agg + * 0 - bad value, 1 - multi-tid not supported, 2..8 - tid limit + * @reserved1: reserved byte for future use + * @reserved2: reserved byte for future use + * @flags: see %iwl_11ax_sta_ctxt_flags + * @ref_bssid_addr: reference BSSID used by the AP + * @reserved0: reserved 2 bytes for aligning the ref_bssid_addr field to 8 bytes + * @htc_flags: which features are supported in HTC + * @frag_flags: frag support in A-MSDU + * @frag_level: frag support level + * @frag_max_num: max num of "open" MSDUs in the receiver (in power of 2) + * @frag_min_size: min frag size (except last frag) + * @pkt_ext: optional, exists according to PPE-present bit in the HE-PHY capa + * @bss_color: 11ax AP ID that is used in the HE SIG-A to mark inter BSS frame + * @htc_trig_based_pkt_ext: default PE in 4us units + * @frame_time_rts_th: HE duration RTS threshold, in units of 32us + * @rand_alloc_ecwmin: random CWmin = 2**ECWmin-1 + * @rand_alloc_ecwmax: random CWmax = 2**ECWmax-1 + * @reserved3: reserved byte for future use + * @trig_based_txf: MU EDCA Parameter set for the trigger based traffic queues + */ +struct iwl_he_sta_context_cmd { + u8 sta_id; + u8 tid_limit; + u8 reserved1; + u8 reserved2; + __le32 flags; + + /* The below fields are set via Multiple BSSID IE */ + u8 ref_bssid_addr[6]; + __le16 reserved0; + + /* The below fields are set via HE-capabilities IE */ + __le32 htc_flags; + + u8 frag_flags; + u8 frag_level; + u8 frag_max_num; + u8 frag_min_size; + + /* The below fields are set via PPE thresholds element */ + struct iwl_he_pkt_ext pkt_ext; + + /* The below fields are set via HE-Operation IE */ + u8 bss_color; + u8 htc_trig_based_pkt_ext; + __le16 frame_time_rts_th; + + /* Random access parameter set (i.e. RAPS) */ + u8 rand_alloc_ecwmin; + u8 rand_alloc_ecwmax; + __le16 reserved3; + + /* The below fields are set via MU EDCA parameter set element */ + struct iwl_he_backoff_conf trig_based_txf[AC_NUM]; +} __packed; /* STA_CONTEXT_DOT11AX_API_S */ + #endif /* __iwl_fw_api_mac_h__ */ diff --git a/drivers/net/wireless/intel/iwlwifi/fw/api/nvm-reg.h b/drivers/net/wireless/intel/iwlwifi/fw/api/nvm-reg.h index 8d6dc9189985..6c5338364794 100644 --- a/drivers/net/wireless/intel/iwlwifi/fw/api/nvm-reg.h +++ b/drivers/net/wireless/intel/iwlwifi/fw/api/nvm-reg.h @@ -195,7 +195,6 @@ struct iwl_nvm_get_info_general { * @NVM_MAC_SKU_FLAGS_BAND_5_2_ENABLED: true if 5.2 band enabled * @NVM_MAC_SKU_FLAGS_802_11N_ENABLED: true if 11n enabled * @NVM_MAC_SKU_FLAGS_802_11AC_ENABLED: true if 11ac enabled - * @NVM_MAC_SKU_FLAGS_802_11AX_ENABLED: true if 11ax enabled * @NVM_MAC_SKU_FLAGS_MIMO_DISABLED: true if MIMO disabled * @NVM_MAC_SKU_FLAGS_WAPI_ENABLED: true if WAPI enabled * @NVM_MAC_SKU_FLAGS_REG_CHECK_ENABLED: true if regulatory checker enabled @@ -206,6 +205,9 @@ enum iwl_nvm_mac_sku_flags { NVM_MAC_SKU_FLAGS_BAND_5_2_ENABLED = BIT(1), NVM_MAC_SKU_FLAGS_802_11N_ENABLED = BIT(2), NVM_MAC_SKU_FLAGS_802_11AC_ENABLED = BIT(3), + /** + * @NVM_MAC_SKU_FLAGS_802_11AX_ENABLED: true if 11ax enabled + */ NVM_MAC_SKU_FLAGS_802_11AX_ENABLED = BIT(4), NVM_MAC_SKU_FLAGS_MIMO_DISABLED = BIT(5), NVM_MAC_SKU_FLAGS_WAPI_ENABLED = BIT(8), diff --git a/drivers/net/wireless/intel/iwlwifi/fw/api/rs.h b/drivers/net/wireless/intel/iwlwifi/fw/api/rs.h index 21e13a315421..087fae91baef 100644 --- a/drivers/net/wireless/intel/iwlwifi/fw/api/rs.h +++ b/drivers/net/wireless/intel/iwlwifi/fw/api/rs.h @@ -314,8 +314,11 @@ enum { IWL_RATE_MCS_8_INDEX, IWL_RATE_MCS_9_INDEX, IWL_LAST_VHT_RATE = IWL_RATE_MCS_9_INDEX, + IWL_RATE_MCS_10_INDEX, + IWL_RATE_MCS_11_INDEX, + IWL_LAST_HE_RATE = IWL_RATE_MCS_11_INDEX, IWL_RATE_COUNT_LEGACY = IWL_LAST_NON_HT_RATE + 1, - IWL_RATE_COUNT = IWL_LAST_VHT_RATE + 1, + IWL_RATE_COUNT = IWL_LAST_HE_RATE + 1, }; #define IWL_RATE_BIT_MSK(r) BIT(IWL_RATE_##r##M_INDEX) @@ -440,8 +443,8 @@ enum { #define RATE_LEGACY_RATE_MSK 0xff /* Bit 10 - OFDM HE */ -#define RATE_MCS_OFDM_HE_POS 10 -#define RATE_MCS_OFDM_HE_MSK BIT(RATE_MCS_OFDM_HE_POS) +#define RATE_MCS_HE_POS 10 +#define RATE_MCS_HE_MSK BIT(RATE_MCS_HE_POS) /* * Bit 11-12: (0) 20MHz, (1) 40MHz, (2) 80MHz, (3) 160MHz @@ -482,15 +485,33 @@ enum { #define RATE_MCS_BF_MSK (1 << RATE_MCS_BF_POS) /* - * Bit 20-21: HE guard interval and LTF type. - * (0) 1xLTF+1.6us, (1) 2xLTF+0.8us, - * (2) 2xLTF+1.6us, (3) 4xLTF+3.2us + * Bit 20-21: HE LTF type and guard interval + * HE (ext) SU: + * 0 1xLTF+0.8us + * 1 2xLTF+0.8us + * 2 2xLTF+1.6us + * 3 & SGI (bit 13) clear 4xLTF+3.2us + * 3 & SGI (bit 13) set 4xLTF+0.8us + * HE MU: + * 0 4xLTF+0.8us + * 1 2xLTF+0.8us + * 2 2xLTF+1.6us + * 3 4xLTF+3.2us + * HE TRIG: + * 0 1xLTF+1.6us + * 1 2xLTF+1.6us + * 2 4xLTF+3.2us + * 3 (does not occur) */ #define RATE_MCS_HE_GI_LTF_POS 20 #define RATE_MCS_HE_GI_LTF_MSK (3 << RATE_MCS_HE_GI_LTF_POS) /* Bit 22-23: HE type. (0) SU, (1) SU_EXT, (2) MU, (3) trigger based */ #define RATE_MCS_HE_TYPE_POS 22 +#define RATE_MCS_HE_TYPE_SU (0 << RATE_MCS_HE_TYPE_POS) +#define RATE_MCS_HE_TYPE_EXT_SU (1 << RATE_MCS_HE_TYPE_POS) +#define RATE_MCS_HE_TYPE_MU (2 << RATE_MCS_HE_TYPE_POS) +#define RATE_MCS_HE_TYPE_TRIG (3 << RATE_MCS_HE_TYPE_POS) #define RATE_MCS_HE_TYPE_MSK (3 << RATE_MCS_HE_TYPE_POS) /* Bit 24-25: (0) 20MHz (no dup), (1) 2x20MHz, (2) 4x20MHz, 3 8x20MHz */ @@ -501,6 +522,9 @@ enum { #define RATE_MCS_LDPC_POS 27 #define RATE_MCS_LDPC_MSK (1 << RATE_MCS_LDPC_POS) +/* Bit 28: (1) 106-tone RX (8 MHz RU), (0) normal bandwidth */ +#define RATE_MCS_HE_106T_POS 28 +#define RATE_MCS_HE_106T_MSK (1 << RATE_MCS_HE_106T_POS) /* Link Quality definitions */ diff --git a/drivers/net/wireless/intel/iwlwifi/fw/api/rx.h b/drivers/net/wireless/intel/iwlwifi/fw/api/rx.h index 7e570c4a9df0..0daa09c94b0f 100644 --- a/drivers/net/wireless/intel/iwlwifi/fw/api/rx.h +++ b/drivers/net/wireless/intel/iwlwifi/fw/api/rx.h @@ -8,6 +8,7 @@ * Copyright(c) 2012 - 2014 Intel Corporation. All rights reserved. * Copyright(c) 2013 - 2015 Intel Mobile Communications GmbH * Copyright(c) 2015 - 2017 Intel Deutschland GmbH + * Copyright(c) 2018 Intel Corporation * * 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 @@ -30,6 +31,7 @@ * Copyright(c) 2012 - 2014 Intel Corporation. All rights reserved. * Copyright(c) 2013 - 2015 Intel Mobile Communications GmbH * Copyright(c) 2015 - 2017 Intel Deutschland GmbH + * Copyright(c) 2018 Intel Corporation * All rights reserved. * * Redistribution and use in source and binary forms, with or without @@ -343,6 +345,37 @@ enum iwl_rx_mpdu_mac_info { IWL_RX_MPDU_PHY_PHY_INDEX_MASK = 0xf0, }; +/* + * enum iwl_rx_he_phy - HE PHY data + */ +enum iwl_rx_he_phy { + IWL_RX_HE_PHY_BEAM_CHNG = BIT(0), + IWL_RX_HE_PHY_UPLINK = BIT(1), + IWL_RX_HE_PHY_BSS_COLOR_MASK = 0xfc, + IWL_RX_HE_PHY_SPATIAL_REUSE_MASK = 0xf00, + IWL_RX_HE_PHY_SU_EXT_BW10 = BIT(12), + IWL_RX_HE_PHY_TXOP_DUR_MASK = 0xfe000, + IWL_RX_HE_PHY_LDPC_EXT_SYM = BIT(20), + IWL_RX_HE_PHY_PRE_FEC_PAD_MASK = 0x600000, + IWL_RX_HE_PHY_PE_DISAMBIG = BIT(23), + IWL_RX_HE_PHY_DOPPLER = BIT(24), + /* 6 bits reserved */ + IWL_RX_HE_PHY_DELIM_EOF = BIT(31), + + /* second dword - MU data */ + IWL_RX_HE_PHY_SIGB_COMPRESSION = BIT_ULL(32 + 0), + IWL_RX_HE_PHY_SIBG_SYM_OR_USER_NUM_MASK = 0x1e00000000ULL, + IWL_RX_HE_PHY_HE_LTF_NUM_MASK = 0xe000000000ULL, + IWL_RX_HE_PHY_RU_ALLOC_SEC80 = BIT_ULL(32 + 8), + /* trigger encoded */ + IWL_RX_HE_PHY_RU_ALLOC_MASK = 0xfe0000000000ULL, + IWL_RX_HE_PHY_SIGB_MCS_MASK = 0xf000000000000ULL, + /* 1 bit reserved */ + IWL_RX_HE_PHY_SIGB_DCM = BIT_ULL(32 + 21), + IWL_RX_HE_PHY_PREAMBLE_PUNC_TYPE_MASK = 0xc0000000000000ULL, + /* 8 bits reserved */ +}; + /** * struct iwl_rx_mpdu_desc - RX MPDU descriptor */ @@ -438,12 +471,20 @@ struct iwl_rx_mpdu_desc { */ __le32 gp2_on_air_rise; /* DW12 & DW13 */ - /** - * @tsf_on_air_rise: - * TSF value on air rise (INA), only valid if - * %IWL_RX_MPDU_PHY_TSF_OVERLOAD isn't set - */ - __le64 tsf_on_air_rise; + union { + /** + * @tsf_on_air_rise: + * TSF value on air rise (INA), only valid if + * %IWL_RX_MPDU_PHY_TSF_OVERLOAD isn't set + */ + __le64 tsf_on_air_rise; + /** + * @he_phy_data: + * HE PHY data, see &enum iwl_rx_he_phy, valid + * only if %IWL_RX_MPDU_PHY_TSF_OVERLOAD is set + */ + __le64 he_phy_data; + }; } __packed; struct iwl_frame_release { -- 2.18.0