xref: /linux/drivers/net/wireless/morsemicro/mm81x/rc.h (revision 91ec2035134982b98fab0609a9fd8480e8217dc1)
1*b1906ceaSLachlan Hodges /* SPDX-License-Identifier: GPL-2.0-only */
2*b1906ceaSLachlan Hodges /*
3*b1906ceaSLachlan Hodges  * Copyright (c) 2017-2026 Morse Micro
4*b1906ceaSLachlan Hodges  */
5*b1906ceaSLachlan Hodges 
6*b1906ceaSLachlan Hodges #ifndef _MM81X_RC_H_
7*b1906ceaSLachlan Hodges #define _MM81X_RC_H_
8*b1906ceaSLachlan Hodges 
9*b1906ceaSLachlan Hodges #include <linux/list.h>
10*b1906ceaSLachlan Hodges #include <linux/workqueue.h>
11*b1906ceaSLachlan Hodges #include "core.h"
12*b1906ceaSLachlan Hodges #include "mmrc.h"
13*b1906ceaSLachlan Hodges 
14*b1906ceaSLachlan Hodges struct mm81x_vif;
15*b1906ceaSLachlan Hodges 
16*b1906ceaSLachlan Hodges #define INIT_MAX_RATES_NUM 4
17*b1906ceaSLachlan Hodges 
18*b1906ceaSLachlan Hodges struct mm81x_rc {
19*b1906ceaSLachlan Hodges 	/* Serialise rate control queue manipulation and timer functions */
20*b1906ceaSLachlan Hodges 	spinlock_t lock;
21*b1906ceaSLachlan Hodges 	struct list_head stas;
22*b1906ceaSLachlan Hodges 	struct timer_list timer;
23*b1906ceaSLachlan Hodges 	struct work_struct work;
24*b1906ceaSLachlan Hodges 	struct mm81x *mors;
25*b1906ceaSLachlan Hodges };
26*b1906ceaSLachlan Hodges 
27*b1906ceaSLachlan Hodges struct mm81x_rc_sta {
28*b1906ceaSLachlan Hodges 	struct mmrc_table *tb;
29*b1906ceaSLachlan Hodges 	struct list_head list;
30*b1906ceaSLachlan Hodges 	unsigned long last_update;
31*b1906ceaSLachlan Hodges };
32*b1906ceaSLachlan Hodges 
33*b1906ceaSLachlan Hodges void mm81x_rc_init(struct mm81x *mors);
34*b1906ceaSLachlan Hodges void mm81x_rc_deinit(struct mm81x *mors);
35*b1906ceaSLachlan Hodges int mm81x_rc_sta_add(struct mm81x *mors, struct ieee80211_vif *vif,
36*b1906ceaSLachlan Hodges 		     struct ieee80211_sta *sta);
37*b1906ceaSLachlan Hodges void mm81x_rc_sta_remove(struct mm81x *mors, struct ieee80211_sta *sta);
38*b1906ceaSLachlan Hodges void mm81x_rc_sta_fill_tx_rates(struct mm81x *mors,
39*b1906ceaSLachlan Hodges 				struct mm81x_skb_tx_info *tx_info,
40*b1906ceaSLachlan Hodges 				struct sk_buff *skb, struct ieee80211_sta *sta,
41*b1906ceaSLachlan Hodges 				int tx_bw, bool rts_allowed);
42*b1906ceaSLachlan Hodges void mm81x_rc_sta_feedback_rates(struct mm81x *mors, struct sk_buff *skb,
43*b1906ceaSLachlan Hodges 				 struct ieee80211_sta *sta,
44*b1906ceaSLachlan Hodges 				 struct mm81x_skb_tx_status *tx_sts,
45*b1906ceaSLachlan Hodges 				 int tx_attempts);
46*b1906ceaSLachlan Hodges void mm81x_rc_sta_state_check(struct mm81x *mors, struct ieee80211_vif *vif,
47*b1906ceaSLachlan Hodges 			      struct ieee80211_sta *sta,
48*b1906ceaSLachlan Hodges 			      enum ieee80211_sta_state old_state,
49*b1906ceaSLachlan Hodges 			      enum ieee80211_sta_state new_state);
50*b1906ceaSLachlan Hodges 
51*b1906ceaSLachlan Hodges #endif /* !_MM81X_RC_H_ */
52