1/*-
2 * Copyright (c) 2020-2021 The FreeBSD Foundation
3 *
4 * This software was developed by Bj��rn Zeeb under sponsorship from
5 * the FreeBSD Foundation.
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
9 * are met:
10 * 1. Redistributions of source code must retain the above copyright
11 *    notice, this list of conditions and the following disclaimer.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 *    notice, this list of conditions and the following disclaimer in the
14 *    documentation and/or other materials provided with the distribution.
15 *
16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
17 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
19 * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
20 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
21 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
22 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
23 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
24 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
25 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
26 * SUCH DAMAGE.
27 *
28 * $FreeBSD$
29 */
30
31/*
32 * XXX-BZ:
33 * This file is left as a wrapper to make mvm compile and we will only
34 * deal with it on a need basis.  Most newer chipsets do this in firmware.
35 */
36
37#ifndef	_IWLWIFI_MVM_RS_H
38#define	_IWLWIFI_MVM_RS_H
39
40#include <net/mac80211.h>
41
42#include "iwl-trans.h"
43#include "fw-api.h"
44
45#define	RS_NAME		"XXX_unknown"
46
47#define	LINK_QUAL_AGG_FRAME_LIMIT_DEF		(64-1)
48#define	LINK_QUAL_AGG_FRAME_LIMIT_GEN2_DEF	(256-1)
49
50struct iwl_mvm;
51
52struct iwl_lq_sta_rs_fw {
53	int	last_rate_n_flags;
54	struct {
55		struct iwl_mvm	*drv;
56		uint8_t		sta_id;
57		uint8_t		chains;
58		uint8_t		chain_signal[IEEE80211_MAX_CHAINS];
59		uint8_t		last_rssi;
60#ifdef CONFIG_MAC80211_DEBUGFS
61		uint32_t	dbg_fixed_rate;
62		uint32_t	dbg_agg_frame_count_lim;
63#endif
64	} pers;
65};
66
67struct iwl_lq_sta {
68	struct iwl_lq_cmd	lq;
69	struct {
70		spinlock_t	lock;
71		uint16_t	max_agg_bufsize;
72	} pers;
73};
74
75#define	RS_DRV_DATA_PACK(_c, _f)	((void *)(uintptr_t)(_c | (uintptr_t)(_f) << sizeof(_c)))	/* XXX TODO | ? */
76
77struct iwl_mvm_sta;
78struct iwl_mvm_link_sta;
79
80#ifdef CONFIG_IWLWIFI_DEBUGFS
81void iwl_mvm_reset_frame_stats(struct iwl_mvm *);
82#endif
83
84void iwl_mvm_rs_add_sta(struct iwl_mvm *, struct iwl_mvm_sta *);
85void iwl_mvm_tlc_update_notif(struct iwl_mvm *, struct iwl_rx_cmd_buffer *);
86u16 rs_fw_get_max_amsdu_len(struct ieee80211_sta *,
87    struct ieee80211_bss_conf *, struct ieee80211_link_sta *);
88void rs_fw_rate_init(struct iwl_mvm *, struct ieee80211_sta *,
89    enum nl80211_band, bool);
90int rs_fw_tx_protection(struct iwl_mvm *, struct iwl_mvm_sta *, bool);
91int iwl_mvm_tx_protection(struct iwl_mvm *, struct iwl_mvm_sta *, bool);
92
93int iwl_mvm_rate_control_register(void);
94void iwl_mvm_rate_control_unregister(void);
95void iwl_mvm_rs_rate_init(struct iwl_mvm *, struct ieee80211_vif *,
96    struct ieee80211_sta *, struct ieee80211_bss_conf *,
97    struct ieee80211_link_sta *, enum nl80211_band);
98void iwl_mvm_rs_fw_rate_init(struct iwl_mvm *, struct ieee80211_vif *,
99    struct ieee80211_sta *, struct ieee80211_bss_conf *,
100    struct ieee80211_link_sta *, enum nl80211_band);
101void iwl_mvm_rs_tx_status(struct iwl_mvm *, struct ieee80211_sta *,
102    int, struct ieee80211_tx_info *, bool);
103void iwl_mvm_rs_add_sta_link(struct iwl_mvm *, struct iwl_mvm_link_sta *);
104
105#endif	/* _IWLWIFI_MVM_RS_H */
106