^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1) /* SPDX-License-Identifier: GPL-2.0-only */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3) * Copyright (C) 2010 Felix Fietkau <nbd@openwrt.org>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6) #ifndef __RC_MINSTREL_HT_H
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7) #define __RC_MINSTREL_HT_H
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 8)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 9) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 10) * The number of streams can be changed to 2 to reduce code
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 11) * size and memory footprint.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 12) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 13) #define MINSTREL_MAX_STREAMS 4
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 14) #define MINSTREL_HT_STREAM_GROUPS 4 /* BW(=2) * SGI(=2) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 15) #define MINSTREL_VHT_STREAM_GROUPS 6 /* BW(=3) * SGI(=2) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 16)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 17) #define MINSTREL_HT_GROUPS_NB (MINSTREL_MAX_STREAMS * \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 18) MINSTREL_HT_STREAM_GROUPS)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 19) #define MINSTREL_VHT_GROUPS_NB (MINSTREL_MAX_STREAMS * \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 20) MINSTREL_VHT_STREAM_GROUPS)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 21) #define MINSTREL_CCK_GROUPS_NB 1
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 22) #define MINSTREL_GROUPS_NB (MINSTREL_HT_GROUPS_NB + \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 23) MINSTREL_VHT_GROUPS_NB + \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 24) MINSTREL_CCK_GROUPS_NB)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 25)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 26) #define MINSTREL_HT_GROUP_0 0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 27) #define MINSTREL_CCK_GROUP (MINSTREL_HT_GROUP_0 + MINSTREL_HT_GROUPS_NB)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 28) #define MINSTREL_VHT_GROUP_0 (MINSTREL_CCK_GROUP + 1)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 29)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 30) #define MCS_GROUP_RATES 10
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 31)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 32) struct mcs_group {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 33) u16 flags;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 34) u8 streams;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 35) u8 shift;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 36) u8 bw;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 37) u16 duration[MCS_GROUP_RATES];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 38) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 39)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 40) extern const struct mcs_group minstrel_mcs_groups[];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 41)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 42) struct minstrel_mcs_group_data {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 43) u8 index;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 44) u8 column;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 45)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 46) /* sorted rate set within a MCS group*/
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 47) u16 max_group_tp_rate[MAX_THR_RATES];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 48) u16 max_group_prob_rate;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 49)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 50) /* MCS rate statistics */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 51) struct minstrel_rate_stats rates[MCS_GROUP_RATES];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 52) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 53)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 54) enum minstrel_sample_mode {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 55) MINSTREL_SAMPLE_IDLE,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 56) MINSTREL_SAMPLE_ACTIVE,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 57) MINSTREL_SAMPLE_PENDING,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 58) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 59)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 60) struct minstrel_ht_sta {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 61) struct ieee80211_sta *sta;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 62)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 63) /* ampdu length (average, per sampling interval) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 64) unsigned int ampdu_len;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 65) unsigned int ampdu_packets;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 66)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 67) /* ampdu length (EWMA) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 68) unsigned int avg_ampdu_len;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 69)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 70) /* overall sorted rate set */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 71) u16 max_tp_rate[MAX_THR_RATES];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 72) u16 max_prob_rate;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 73)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 74) /* time of last status update */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 75) unsigned long last_stats_update;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 76)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 77) /* overhead time in usec for each frame */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 78) unsigned int overhead;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 79) unsigned int overhead_rtscts;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 80)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 81) unsigned int total_packets_last;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 82) unsigned int total_packets_cur;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 83) unsigned int total_packets;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 84) unsigned int sample_packets;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 85)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 86) /* tx flags to add for frames for this sta */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 87) u32 tx_flags;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 88)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 89) u8 sample_wait;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 90) u8 sample_tries;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 91) u8 sample_count;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 92) u8 sample_slow;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 93)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 94) enum minstrel_sample_mode sample_mode;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 95) u16 sample_rate;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 96)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 97) /* current MCS group to be sampled */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 98) u8 sample_group;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 99)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 100) u8 cck_supported;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 101) u8 cck_supported_short;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 102)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 103) /* Bitfield of supported MCS rates of all groups */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 104) u16 supported[MINSTREL_GROUPS_NB];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 105)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 106) /* MCS rate group info and statistics */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 107) struct minstrel_mcs_group_data groups[MINSTREL_GROUPS_NB];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 108) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 109)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 110) struct minstrel_ht_sta_priv {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 111) union {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 112) struct minstrel_ht_sta ht;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 113) struct minstrel_sta_info legacy;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 114) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 115) void *ratelist;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 116) void *sample_table;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 117) bool is_ht;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 118) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 119)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 120) void minstrel_ht_add_sta_debugfs(void *priv, void *priv_sta, struct dentry *dir);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 121) int minstrel_ht_get_tp_avg(struct minstrel_ht_sta *mi, int group, int rate,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 122) int prob_avg);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 123)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 124) #endif
Orange Pi5 kernel
Deprecated Linux kernel 5.10.110 for OrangePi 5/5B/5+ boards
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