/*
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* Copyright (c) 2015 South Silicon Valley Microelectronics Inc.
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* Copyright (c) 2015 iComm Corporation
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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* This program is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
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* See the GNU General Public License for more details.
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef _SSV_RC_COM_H_
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#define _SSV_RC_COM_H_
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#define SSV_RC_MAX_STA 8
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#define MCS_GROUP_RATES 8
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#define SSV_HT_RATE_MAX 8
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#define TDIFS 34
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#define TSLOT 9
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#define SSV_RC_MAX_HARDWARE_SUPPORT 2
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#define RC_FIRMWARE_REPORT_FLAG 0x80
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#define RC_FLAG_INVALID 0x00000001
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#define RC_FLAG_LEGACY 0x00000002
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#define RC_FLAG_HT 0x00000004
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#define RC_FLAG_HT_SGI 0x00000008
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#define RC_FLAG_HT_GF 0x00000010
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#define RC_FLAG_SHORT_PREAMBLE 0x00000020
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enum ssv6xxx_rc_phy_type {
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WLAN_RC_PHY_CCK,
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WLAN_RC_PHY_OFDM,
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WLAN_RC_PHY_HT_20_SS_LGI,
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WLAN_RC_PHY_HT_20_SS_SGI,
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WLAN_RC_PHY_HT_20_SS_GF,
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};
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#define RATE_TABLE_SIZE 39
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#define RC_STA_VALID 0x00000001
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#define RC_STA_CAP_HT 0x00000002
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#define RC_STA_CAP_GF 0x00000004
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#define RC_STA_CAP_SGI_20 0x00000008
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#define RC_STA_CAP_SHORT_PREAMBLE 0x00000010
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#define SSV62XX_G_RATE_INDEX 7
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#define SSV62XX_RATE_MCS_INDEX 15
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#define SSV62XX_RATE_MCS_LGI_INDEX 15
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#define SSV62XX_RATE_MCS_SGI_INDEX 23
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#define SSV62XX_RATE_MCS_GREENFIELD_INDEX 31
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enum ssv_rc_rate_type {
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RC_TYPE_B_ONLY=0,
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RC_TYPE_LEGACY_GB,
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RC_TYPE_SGI_20,
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RC_TYPE_LGI_20,
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RC_TYPE_HT_SGI_20,
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RC_TYPE_HT_LGI_20,
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RC_TYPE_HT_GF,
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RC_TYPE_MAX,
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};
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struct ssv_rate_info {
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int crate_kbps;
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int crate_hw_idx;
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int drate_kbps;
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int drate_hw_idx;
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u32 d_flags;
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u32 c_flags;
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};
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struct ssv_rc_rate {
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u32 rc_flags;
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u16 phy_type;
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u32 rate_kbps;
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u8 dot11_rate_idx;
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u8 ctrl_rate_idx;
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u8 hw_rate_idx;
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u8 arith_shift;
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u8 target_pf;
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};
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struct rc_pid_sta_info {
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unsigned long last_sample;
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unsigned long last_report;
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u16 tx_num_failed;
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u16 tx_num_xmit;
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u8 probe_report_flag;
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u8 probe_wating_times;
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u8 real_hw_index;
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int txrate_idx;
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u8 last_pf;
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s32 err_avg_sc;
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int last_dlr;
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u8 feedback_probes;
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u8 monitoring;
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u8 oldrate;
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u8 tmp_rate_idx;
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u8 probe_cnt;
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};
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struct rc_pid_rateinfo {
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u16 rc_index;
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u16 index;
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s32 diff;
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u16 perfect_tx_time;
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u32 throughput;
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unsigned long this_attempt;
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unsigned long this_success;
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unsigned long this_fail;
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u64 attempt;
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u64 success;
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u64 fail;
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};
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struct rc_pid_info {
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unsigned int target;
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#if 0
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u8 coeff_p;
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u8 coeff_i;
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u8 coeff_d;
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u8 smoothing_shift;
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u8 sharpen_factor;
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u8 sharpen_duration;
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u8 norm_offset;
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#endif
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int oldrate;
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struct rc_pid_rateinfo rinfo[12];
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};
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struct mcs_group {
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unsigned int duration[MCS_GROUP_RATES];
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};
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struct minstrel_rate_stats {
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u16 rc_index;
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unsigned int attempts, last_attempts;
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unsigned int success, last_success;
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u64 att_hist, succ_hist;
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unsigned int cur_tp;
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unsigned int cur_prob, probability;
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unsigned int retry_count;
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unsigned int retry_count_rtscts;
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u8 sample_skipped;
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};
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struct minstrel_mcs_group_data {
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u8 index;
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u8 column;
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unsigned int max_tp_rate;
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unsigned int max_tp_rate2;
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unsigned int max_prob_rate;
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struct minstrel_rate_stats rates[MCS_GROUP_RATES];
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};
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struct ssv62xx_ht {
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unsigned int ampdu_len;
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unsigned int ampdu_packets;
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unsigned int avg_ampdu_len;
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unsigned int max_tp_rate;
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unsigned int max_tp_rate2;
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unsigned int max_prob_rate;
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int first_try_count;
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int second_try_count;
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int other_try_count;
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unsigned long stats_update;
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unsigned int overhead;
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unsigned int overhead_rtscts;
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unsigned int total_packets;
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unsigned int sample_packets;
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u8 sample_wait;
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u8 sample_tries;
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u8 sample_count;
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u8 sample_slow;
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struct minstrel_mcs_group_data groups;
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};
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struct ssv_sta_rc_info {
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u8 rc_valid;
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u8 rc_type;
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u8 rc_num_rate;
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s8 rc_wsid;
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u8 ht_rc_type;
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u8 is_ht;
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u32 rc_supp_rates;
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u32 ht_supp_rates;
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struct rc_pid_info pinfo;
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struct rc_pid_sta_info spinfo;
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struct ssv62xx_ht ht;
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};
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struct ssv_rate_ctrl {
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struct ssv_rc_rate *rc_table;
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struct ssv_sta_rc_info sta_rc_info[SSV_RC_MAX_STA];
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};
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#define HT_RC_UPDATE_INTERVAL 1000
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#endif
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