Search Linux Wireless

[RFC v1 247/256] cl8k: add wrs/wrs_db.h

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



From: Viktor Barna <viktor.barna@xxxxxxxxxx>

(Part of the split. Please, take a look at the cover letter for more
details).

Signed-off-by: Viktor Barna <viktor.barna@xxxxxxxxxx>
---
 drivers/net/wireless/celeno/cl8k/wrs/wrs_db.h | 386 ++++++++++++++++++
 1 file changed, 386 insertions(+)
 create mode 100644 drivers/net/wireless/celeno/cl8k/wrs/wrs_db.h

diff --git a/drivers/net/wireless/celeno/cl8k/wrs/wrs_db.h b/drivers/net/wireless/celeno/cl8k/wrs/wrs_db.h
new file mode 100644
index 000000000000..2eefa0abaf8d
--- /dev/null
+++ b/drivers/net/wireless/celeno/cl8k/wrs/wrs_db.h
@@ -0,0 +1,386 @@
+/* SPDX-License-Identifier: MIT */
+/* Copyright(c) 2019-2021, Celeno Communications Ltd. */
+
+#ifndef CL_WRS_DB_H
+#define CL_WRS_DB_H
+
+#include "debug.h"
+#include "utils/timer.h"
+#include "def.h"
+#include "wrs/wrs_tables.h"
+
+#define WRS_MAINTENANCE_PERIOD_MS         40
+#define WRS_DATA_RATE_FACTOR              10
+#define WRS_RSSI_PROTECT_UP_THR           10
+#define WRS_RSSI_PROTECT_DN_THR           10
+#define WRS_MIN_FRAMES_FOR_DECISION       15
+#define WRS_EPR_FACTOR                    105
+#define WRS_CONVERGE_IDLE_PACKET_TH       5
+#define WRS_CONVERGE_IDLE_INTERVAL_RESET  6000  /* 6 sec */
+#define WRS_CONVERGE_IDLE_INTERVAL_RSSI   2000  /* 2 sec */
+#define WRS_CONVERGE_TRFC_INTERVAL_STATIC 30000 /* 30 sec */
+#define WRS_CONVERGE_TRFC_INTERVAL_MOTION 1000  /* 1 sec */
+#define WRS_IMMEDIATE_DROP_EPR_FACTOR     70    /* 70% */
+#define WRS_IMMEDIATE_DROP_MAX_IN_ROW     U32_MAX
+#define WRS_SYNC_MIN_ATTEMPTS             4
+#define WRS_SYNC_TIMEOUT                  1000  /* 1 sec */
+#define WRS_QUICK_UP_BA_THR               5
+#define WRS_QUICK_UP_INTERVAL_MS          1000
+#define WRS_QUICK_DOWN_EPR_FACTOR         85
+#define WRS_QUICK_DOWN_AGG_THR            3
+#define WRS_QUICK_DOWN_PKT_THR            60
+#define WRS_RSSI_PROTECT_SHIFT            7
+#define WRS_RSSI_PROTECT_BUF_SZ_OLD       BIT(WRS_RSSI_PROTECT_SHIFT) /* 2 ^ 7 = 128 */
+#define WRS_RSSI_PROTECT_BUF_SZ_NEW       3
+#define WRS_BA_NOT_RCV_TIME_SINCE_SYNC    1000
+#define WRS_CCA_PERIOD_MS                 1000
+#define WRS_CCA_PRIMARY_SHIFT             7
+#define WRS_CCA_PRIMARY_FACTOR            160 /* 160 / 2^7 = 1.25 = 25% */
+
+enum cl_wrs_rssi_prot_mode {
+       WRS_RSSI_PROT_MODE_RSSI,     /* Up/down based on rssi */
+       WRS_RSSI_PROT_MODE_NEIGHBOR, /* Up/down based on neighbors */
+
+       WRS_RSSI_PROTECT_MODE_MAX
+};
+
+enum cl_wrs_fixed_rate {
+       WRS_AUTO_RATE,
+       WRS_FIXED_FALLBACK_EN,
+       WRS_FIXED_FALLBACK_DIS,
+
+       WRS_FIXED_RATE_MAX
+};
+
+enum cl_wrs_fixed_param {
+       WRS_FIXED_PARAM_MODE,
+       WRS_FIXED_PARAM_BW,
+       WRS_FIXED_PARAM_NSS,
+       WRS_FIXED_PARAM_MCS,
+       WRS_FIXED_PARAM_GI,
+
+       WRS_FIXED_PARAM_MAX
+};
+
+#define FIXED_RATE_STR(x) \
+       (((x) == WRS_AUTO_RATE) ? "auto rate" : \
+       (((x) == WRS_FIXED_FALLBACK_EN) ? "fixed rate (fallbacks enabled)" : \
+       "fixed rate (fallbacks disabled)"))
+
+enum cl_wrs_decision {
+       WRS_DECISION_NONE,
+       WRS_DECISION_SAME,
+       WRS_DECISION_UP,
+       WRS_DECISION_UP_QUICK,
+       WRS_DECISION_UP_RSSI,
+       WRS_DECISION_UP_MCS1,
+       WRS_DECISION_DOWN,
+       WRS_DECISION_DOWN_RSSI,
+       WRS_DECISION_DOWN_IMMEDIATE,
+       WRS_DECISION_DOWN_QUICK,
+       WRS_DECISION_DOWN_NO_SYNC,
+       WRS_DECISION_RSSI_MGMT,
+
+       WRS_DECISION_MAX,
+};
+
+enum cl_wrs_mcs {
+       WRS_MCS_0,
+       WRS_MCS_1,
+       WRS_MCS_2,
+       WRS_MCS_3,
+       WRS_MCS_4,
+       WRS_MCS_5,
+       WRS_MCS_6,
+       WRS_MCS_7,
+       WRS_MCS_8,
+       WRS_MCS_9,
+       WRS_MCS_10,
+       WRS_MCS_11,
+       WRS_MCS_MAX,
+};
+
+#define WRS_MCS_MAX_CCK  WRS_MCS_4
+#define WRS_MCS_MAX_OFDM WRS_MCS_8
+#define WRS_MCS_MAX_HT   WRS_MCS_8
+#define WRS_MCS_MAX_VHT  WRS_MCS_10
+#define WRS_MCS_MAX_HE   WRS_MCS_MAX
+
+enum cl_wrs_ss {
+       WRS_SS_1,
+       WRS_SS_2,
+       WRS_SS_3,
+       WRS_SS_4,
+
+       WRS_SS_MAX
+};
+
+enum cl_wrs_gi {
+       WRS_GI_LONG,
+       WRS_GI_SHORT,
+       WRS_GI_VSHORT,
+
+       WRS_GI_MAX
+};
+
+#define WRS_GI_MAX_HT  WRS_GI_VSHORT
+#define WRS_GI_MAX_VHT WRS_GI_VSHORT
+#define WRS_GI_MAX_HE  WRS_GI_MAX
+
+enum cl_wrs_ltf {
+       LTF_X1,
+       LTF_X2,
+       LTF_X4,
+       LTF_MAX
+};
+
+enum cl_wrs_converge_mode {
+       WRS_CONVERGE_MODE_RESET,
+       WRS_CONVERGE_MODE_RSSI,
+
+       WRS_CONVERGE_MODE_MAX,
+};
+
+enum cl_wrs_mode {
+       WRS_MODE_CCK,
+       WRS_MODE_OFDM,
+       WRS_MODE_HT,
+       WRS_MODE_VHT,
+       WRS_MODE_HE,
+
+       WRS_MODE_MAX,
+};
+
+#define wrs_pr(wrs_db, level, ...) \
+       do { \
+               if ((level) <= (wrs_db)->debug_level) \
+                       pr_debug(__VA_ARGS__); \
+       } while (0)
+
+#define wrs_pr_verbose(wrs_db, ...) wrs_pr(wrs_db, DBG_LVL_VERBOSE, ##__VA_ARGS__)
+#define wrs_pr_err(wrs_db, ...)     wrs_pr(wrs_db, DBG_LVL_ERROR, ##__VA_ARGS__)
+#define wrs_pr_warn(wrs_db, ...)    wrs_pr(wrs_db, DBG_LVL_WARNING, ##__VA_ARGS__)
+#define wrs_pr_trace(wrs_db, ...)   wrs_pr(wrs_db, DBG_LVL_TRACE, ##__VA_ARGS__)
+#define wrs_pr_info(wrs_db, ...)    wrs_pr(wrs_db, DBG_LVL_INFO, ##__VA_ARGS__)
+
+/* m MUST be power of 2 ! */
+#define WRS_INC_POW2(c, m) (((c) + 1) & ((m) - 1))
+
+#define WRS_INC(c, m) \
+       do { \
+               (c)++; \
+               if ((c) == (m)) \
+                       (c) = 0; \
+       } while (0)
+
+#define WRS_IS_DECISION_UP(decision) \
+       (((decision) >= WRS_DECISION_UP) && ((decision) <= WRS_DECISION_UP_MCS1))
+#define WRS_IS_DECISION_DOWN(decision) \
+       (((decision) >= WRS_DECISION_DOWN) && ((decision) <= WRS_DECISION_DOWN_NO_SYNC))
+
+#define WRS_DECISION_STR(decision) (                                   \
+       (decision) == WRS_DECISION_NONE           ? "NONE"           : \
+       (decision) == WRS_DECISION_SAME           ? "SAME"           : \
+       (decision) == WRS_DECISION_UP             ? "UP"             : \
+       (decision) == WRS_DECISION_UP_QUICK       ? "UP QUICK"       : \
+       (decision) == WRS_DECISION_UP_RSSI        ? "UP RSSI"        : \
+       (decision) == WRS_DECISION_UP_MCS1        ? "UP MCS1"        : \
+       (decision) == WRS_DECISION_DOWN           ? "DOWN"           : \
+       (decision) == WRS_DECISION_DOWN_RSSI      ? "DOWN RSSI"      : \
+       (decision) == WRS_DECISION_DOWN_IMMEDIATE ? "DOWN IMMEDIATE" : \
+       (decision) == WRS_DECISION_DOWN_QUICK     ? "DOWN QUICK"     : \
+       (decision) == WRS_DECISION_DOWN_NO_SYNC   ? "DOWN NO_SYNC"   : \
+       (decision) == WRS_DECISION_RSSI_MGMT      ? "RSSI MGMT"      : \
+       "ERROR")
+
+#define WRS_MODE_STR(mode) (               \
+       (mode) == WRS_MODE_CCK  ? "CCK"  : \
+       (mode) == WRS_MODE_OFDM ? "OFDM" : \
+       (mode) == WRS_MODE_HT   ? "HT"   : \
+       (mode) == WRS_MODE_VHT  ? "VHT"  : \
+       (mode) == WRS_MODE_HE   ? "HE"   : \
+       "ERR")
+
+#define WRS_CONVERGE_MODE_STR(mode) \
+       ((mode) == WRS_CONVERGE_MODE_RESET ? "RESET" : "RSSI")
+
+#define WRS_BW_STR(bw) (                  \
+       (bw) == CHNL_BW_20  ? "20"  : \
+       (bw) == CHNL_BW_40  ? "40"  : \
+       (bw) == CHNL_BW_80  ? "80"  : \
+       (bw) == CHNL_BW_160 ? "160" : \
+       "ERR")
+
+#define WRS_GI_STR(gi) (                       \
+       (gi) == WRS_GI_LONG   ? "Long"       : \
+       (gi) == WRS_GI_SHORT  ? "Short"      : \
+       (gi) == WRS_GI_VSHORT ? "VeryShort" :  \
+       "ERROR")
+
+struct cl_wrs_tx_cntrs {
+       u64 epr_acc;
+       u32 total;
+       u32 fail;
+       u32 ba_not_rcv;
+       u32 ba_not_rcv_consecutive;
+};
+
+struct cl_wrs_tx_params {
+       u16 mode        : 3, /* Mode - 0 = CCK, 1 = OFDM, 2 = HT, 3 = VHT, 4 = HE. */
+           gi          : 2, /* GI - O = Long, 1 = Short, 2 = Very short. */
+           bw          : 2, /* Bandwidth - 0 = 20M, 1 = 40M, 2 = 80M, 3 = 160M. */
+           nss         : 3, /* Spatial Streams - 0 = 1SS, 1 = 2SS, .. 7 = 8SS. */
+           mcs         : 4, /* MCS - CCK (0 - 3), OFDM/HT (0 - 7), VHT (0 - 9), HE (0 - 11). */
+           fallback_en : 1,
+           is_fixed    : 1;
+};
+
+struct cl_wrs_logger {
+       unsigned long timestamp;
+       u16 rate_idx;
+       u32 success;
+       u32 fail;
+       u32 ba_not_rcv;
+       u16 down_rate_idx;
+       u16 up_rate_idx;
+       u16 curr_epr;
+       u16 down_epr;
+       u16 down_epr_factorized;
+       u16 penalty;
+       u16 up_time;
+       enum cl_wrs_decision decision;
+       u16 new_rate_idx;
+};
+
+struct cl_wrs_per_stats {
+       struct list_head list;
+       u8 mcs;
+       u8 bw;
+       u8 nss;
+       u8 gi;
+       u32 frames_total;
+       u32 frames_failed;
+       u64 epr_acc;
+};
+
+struct cl_wrs_rssi_prot_db {
+       s8 samples_old[WRS_RSSI_PROTECT_BUF_SZ_OLD];
+       s8 samples_new[WRS_RSSI_PROTECT_BUF_SZ_NEW];
+       u8 curr_idx_old;
+       u8 curr_idx_new;
+       s32 sum;
+};
+
+struct cl_wrs_params {
+       u8 is_fixed_rate  : 2,
+          quick_up_check : 1,
+          rsv            : 5;
+       u32 up_same_time_cnt;
+       u32 down_time_cnt;
+       enum cl_wrs_converge_mode converge_mode;
+       u32 converge_time_idle;
+       u32 converge_time_trfc;
+       u16 data_rate;
+       u16 rate_idx;
+       struct cl_wrs_table *table;
+       u16 table_size;
+       u16 penalty_decision_dn;
+       struct cl_wrs_tx_params tx_params;
+       enum cl_wrs_decision last_decision;
+       u32 decision_cnt[WRS_DECISION_MAX];
+       struct list_head list_rates;
+       u32 frames_total;
+       u32 fail_total;
+       u32 ba_not_rcv_total;
+       u64 epr_acc;
+       bool calc_ba_not_rcv;
+       bool sync;
+       unsigned long sync_timestamp;
+       unsigned long no_sync_timestamp;
+       u32 immediate_drop_cntr;
+       u32 immediate_drop_ignore;
+};
+
+struct cl_wrs_sta {
+       u8 sta_idx;
+       bool smps_enable;
+       u8 assoc_bw;
+       u8 gi_cap[CHNL_BW_MAX];
+       u64 supported_rates[CHNL_BW_MAX];
+       enum cl_wrs_mode mode;
+       struct cl_wrs_rate max_rate_cap;
+       struct cl_wrs_rssi_prot_db rssi_prot_db;
+       struct cl_wrs_params su_params;
+};
+
+struct cl_wrs_db {
+       /* General */
+       spinlock_t lock;
+       enum cl_dbg_level debug_level;
+       /* Timer */
+       struct cl_timer timer_maintenance;
+       u32 interval;
+       /* Fixed rate */
+       u8 is_fixed_rate;
+       /* Conservative initial rate */
+       bool conservative_mcs_noisy_env;
+       bool conservative_nss_noisy_env;
+       /* Immediate drop */
+       bool immediate_drop_en;
+       u8 immediate_drop_epr_factor;
+       u32 immediate_drop_max_in_row;
+       /* Converge idle */
+       bool converge_idle_en;
+       u32 converge_idle_interval_reset;
+       u32 converge_idle_interval_rssi;
+       u32 converge_idle_packet_th;
+       /* Converge traffic */
+       bool converge_trfc_en;
+       u32 converge_trfc_interval_static;
+       u32 converge_trfc_interval_motion;
+       /* Supported rates */
+       u8 mode;
+       u64 ap_supported_rates[CHNL_BW_MAX]; /* Bit array for each bw */
+       struct cl_wrs_rate max_cap;
+       /* RSSI protect */
+       bool rssi_protect_en;
+       u8 rssi_protect_mode;
+       s8 rssi_protect_up_thr;
+       s8 rssi_protect_dn_thr;
+       /* Time + step thresholds */
+       u16 time_th_min;
+       u16 time_th_max_up;
+       u16 time_th_max_down;
+       u16 step_down;
+       u16 step_up_same;
+       /* Quick up */
+       bool quick_up_en;
+       u8 quick_up_ba_thr;
+       u16 quick_up_interval;
+       /* Quick down */
+       bool quick_down_en;
+       u8 quick_down_epr_factor;
+       u8 quick_down_agg_thr;
+       u16 quick_down_pkt_thr;
+       /* BA not received */
+       bool ba_not_rcv_collision_filter;
+       bool ba_not_rcv_force;
+       u32 ba_not_rcv_time_since_sync;
+       /* Sync */
+       u16 sync_timeout;
+       u8 sync_min_attempts;
+       /* CCA counters */
+       unsigned long cca_timestamp;
+       u32 cca_primary;
+       u32 cca_sec80;
+       u32 cca_sec40;
+       u32 cca_sec20;
+       bool adjacent_interference20;
+       bool adjacent_interference40;
+       bool adjacent_interference80;
+       /* All the rest */
+       u32 min_frames_for_decision;
+       u8 epr_factor;
+};
+
+#endif /* CL_WRS_DB_H */
--
2.30.0

________________________________
The information transmitted is intended only for the person or entity to which it is addressed and may contain confidential and/or privileged material. Any retransmission, dissemination, copying or other use of, or taking of any action in reliance upon this information is prohibited. If you received this in error, please contact the sender and delete the material from any computer. Nothing contained herein shall be deemed as a representation, warranty or a commitment by Celeno. No warranties are expressed or implied, including, but not limited to, any implied warranties of non-infringement, merchantability and fitness for a particular purpose.
________________________________





[Index of Archives]     [Linux Host AP]     [ATH6KL]     [Linux Wireless Personal Area Network]     [Linux Bluetooth]     [Wireless Regulations]     [Linux Netdev]     [Kernel Newbies]     [Linux Kernel]     [IDE]     [Git]     [Netfilter]     [Bugtraq]     [Yosemite Hiking]     [MIPS Linux]     [ARM Linux]     [Linux RAID]

  Powered by Linux