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Please, take a look at the cover letter for more details). Signed-off-by: Viktor Barna --- drivers/net/wireless/celeno/cl8k/rates.h | 154 +++++++++++++++++++++++ 1 file changed, 154 insertions(+) create mode 100644 drivers/net/wireless/celeno/cl8k/rates.h diff --git a/drivers/net/wireless/celeno/cl8k/rates.h b/drivers/net/wireless/celeno/cl8k/rates.h new file mode 100644 index 000000000000..223924f21dc2 --- /dev/null +++ b/drivers/net/wireless/celeno/cl8k/rates.h @@ -0,0 +1,154 @@ +/* SPDX-License-Identifier: GPL-2.0 OR BSD-2-Clause */ +/* Copyright(c) 2019-2022, Celeno Communications Ltd. */ + +#ifndef CL_RATE_CTRL_H +#define CL_RATE_CTRL_H + +#include + +#include "ipc_shared.h" +#include "wrs.h" + +#define RATE_CTRL_OFFSET_OFDM 4 +#define RATE_CNTRL_HE_SPATIAL_CONF_DEF 0xF + +/* Op_mode field in mm_update_rate_dl_req structure */ +enum cl_op_mode { + RATE_OP_MODE_FIXED, + RATE_OP_MODE_DEFAULT_HE, + RATE_OP_MODE_DEFAULT_OFDM, + RATE_OP_MODE_DEFAULT_CCK, + RATE_OP_MODE_STA_SU, + RATE_OP_MODE_STA_MU, + RATE_OP_MODE_MCAST, + RATE_OP_MODE_BCAST +}; + +/* Value to be set in tx_host_info */ +enum cl_rate_ctrl_entry { + RATE_CTRL_ENTRY_NA = 0, + + RATE_CTRL_ENTRY_STA, + RATE_CTRL_ENTRY_FIXED_RATE, + RATE_CTRL_ENTRY_MIN_HE, + RATE_CTRL_ENTRY_MIN_OFDM, + RATE_CTRL_ENTRY_MIN_CCK, + RATE_CTRL_ENTRY_MCAST, + RATE_CTRL_ENTRY_BCAST, + + /* Entry size in firmware is represented by 3 bits */ + RATE_CTRL_ENTRY_MAX = 8 +}; + +/* + * sw_ctrl includes eights bits (16 - 23) to be used by software. + * Bit 16 is used by driver to indicate tx_bf. + * Bit 17 is used by driver to indicate fallback. + * Bit 18 - 23 are still free. + */ +struct cl_rate_ctrl_info_fields { + u32 mcs_index : 7; /* [6:0] */ + u32 bw : 2; /* [8:7] */ + u32 gi : 2; /* [10:9] */ + u32 pre_type_or_stbc : 1; /* [11] */ + u32 format_mod : 4; /* [15:12] */ + u32 tx_bf : 1; /* [16] */ + u32 fallback : 1; /* [17] */ + u32 sw_ctrl : 6; /* [23:18] */ + u32 tx_chains : 8; /* [31:24] */ +}; + +union cl_rate_ctrl_info { + struct cl_rate_ctrl_info_fields field; + u32 word; +}; + +struct cl_rate_ctrl_info_he_fields { + u32 spatial_conf : 4; /* [3:0] */ + u32 starting_sts : 3; /* [6:4] */ + u32 ru_index : 6; /* [12:7] */ + u32 ru_type : 3; /* [15:13] */ + u32 ru_band : 1; /* [16] */ + u32 mu_usr_pos : 2; /* [18:17] */ + u32 dcm_data : 1; /* [19] */ + u32 num_usrs_mu_dl : 4; /* [23:20] */ + u32 ru_alloc : 8; /* [31:24] */ +}; + +union cl_rate_ctrl_info_he { + struct cl_rate_ctrl_info_he_fields field; + u32 word; +}; + +#define DATA_RATE_INVERSE_Q 15 + +struct cl_inverse_data_rate { + u16 he[CHNL_BW_MAX][WRS_SS_MAX][WRS_MCS_MAX_HE][WRS_GI_MAX_HE]; + u16 ht_vht[CHNL_BW_MAX][WRS_SS_MAX][WRS_MCS_MAX_VHT][WRS_GI_MAX_VHT]; + u16 ofdm[WRS_MCS_MAX_OFDM]; + u16 cck[WRS_MCS_MAX_CCK]; +}; + +extern struct cl_inverse_data_rate inverse_data_rate; + +extern const u16 data_rate_he_x10[CHNL_BW_MAX][WRS_SS_MAX][WRS_MCS_MAX_HE][WRS_GI_MAX_HE]; +extern const u16 data_rate_ht_vht_x10[CHNL_BW_MAX][WRS_SS_MAX][WRS_MCS_MAX_VHT][WRS_GI_MAX_VHT]; +extern const u16 data_rate_ofdm_x10[]; +extern const u16 data_rate_cck_x10[]; + +struct cl_hw; +struct cl_sta; +struct cl_sw_txhdr; + +u32 cl_rate_ctrl_generate(struct cl_hw *cl_hw, struct cl_sta *cl_sta, + u8 mode, u8 bw, u8 nss, u8 mcs, u8 gi, + bool fallback_en, bool mu_valid); +void cl_rate_ctrl_convert(union cl_rate_ctrl_info *rate_ctrl_info); +void cl_rate_ctrl_parse(union cl_rate_ctrl_info *rate_ctrl_info, u8 *nss, u8 *mcs); + +void cl_rate_ctrl_set_default(struct cl_hw *cl_hw); + +void cl_rate_ctrl_set_default_per_he_minrate(struct cl_hw *cl_hw, u8 bw, + u8 nss, u8 mcs, u8 gi); +bool cl_rate_ctrl_set_mcast(struct cl_hw *cl_hw, u8 mode, u8 mcs); +void cl_rate_ctrl_update_desc_single(struct cl_hw *cl_hw, struct tx_host_info *info, + struct cl_sw_txhdr *sw_txhdr); +void cl_rate_ctrl_update_desc_agg(struct cl_hw *cl_hw, struct tx_host_info *info); +void cl_data_rates_inverse_build(void); +u16 cl_data_rates_get(u8 mode, u8 bw, u8 nss, u8 mcs, u8 gi); +u16 cl_data_rates_get_x10(u8 mode, u8 bw, u8 nss, u8 mcs, u8 gi); + +#ifdef CONFIG_CL8K_DYN_BCAST_RATE + +struct cl_dyn_bcast_rate { + u8 sta_min_mcs; + u8 bcast_mcs; + u8 wrs_mode; + u8 ltf; +}; + +void cl_dyn_bcast_rate_init(struct cl_hw *cl_hw); +void cl_dyn_bcast_rate_set(struct cl_hw *cl_hw, u8 bcast_mcs); +void cl_dyn_bcast_rate_recovery(struct cl_hw *cl_hw); +void cl_dyn_bcast_rate_change(struct cl_hw *cl_hw, struct cl_sta *cl_sta_change, + u8 old_mcs, u8 new_mcs); +void cl_dyn_bcast_rate_update_upon_assoc(struct cl_hw *cl_hw, u8 mcs, u8 num_sta); +void cl_dyn_bcast_rate_update_upon_disassoc(struct cl_hw *cl_hw, u8 mcs, u8 num_sta); +void cl_dyn_bcast_update(struct cl_hw *cl_hw); +#endif /* CONFIG_CL8K_DYN_BCAST_RATE */ +#ifdef CONFIG_CL8K_DYN_MCAST_RATE + +struct cl_dyn_mcast_rate { + u8 wrs_mode_default; + u8 wrs_mode_curr; +}; + +void cl_dyn_mcast_rate_init(struct cl_hw *cl_hw); +void cl_dyn_mcast_rate_set(struct cl_hw *cl_hw); +void cl_dyn_mcast_rate_recovery(struct cl_hw *cl_hw); +void cl_dyn_mcast_rate_update_upon_assoc(struct cl_hw *cl_hw, u8 wrs_mode, u8 num_sta); +void cl_dyn_mcast_rate_update_upon_disassoc(struct cl_hw *cl_hw, u8 wrs_mode, u8 num_sta); +void cl_dyn_mcast_update(struct cl_hw *cl_hw); +#endif /* CONFIG_CL8K_DYN_MCAST_RATE */ + +#endif /* CL_RATE_CTRL_H */ -- 2.36.1