xref: /linux/drivers/net/wireless/intel/iwlwifi/fw/api/sf.h (revision 44f57d78)
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62 
63 #ifndef __iwl_fw_api_sf_h__
64 #define __iwl_fw_api_sf_h__
65 
66 /* Smart Fifo state */
67 enum iwl_sf_state {
68 	SF_LONG_DELAY_ON = 0, /* should never be called by driver */
69 	SF_FULL_ON,
70 	SF_UNINIT,
71 	SF_INIT_OFF,
72 	SF_HW_NUM_STATES
73 };
74 
75 /* Smart Fifo possible scenario */
76 enum iwl_sf_scenario {
77 	SF_SCENARIO_SINGLE_UNICAST,
78 	SF_SCENARIO_AGG_UNICAST,
79 	SF_SCENARIO_MULTICAST,
80 	SF_SCENARIO_BA_RESP,
81 	SF_SCENARIO_TX_RESP,
82 	SF_NUM_SCENARIO
83 };
84 
85 #define SF_TRANSIENT_STATES_NUMBER 2	/* SF_LONG_DELAY_ON and SF_FULL_ON */
86 #define SF_NUM_TIMEOUT_TYPES 2		/* Aging timer and Idle timer */
87 
88 /* smart FIFO default values */
89 #define SF_W_MARK_SISO 6144
90 #define SF_W_MARK_MIMO2 8192
91 #define SF_W_MARK_MIMO3 6144
92 #define SF_W_MARK_LEGACY 4096
93 #define SF_W_MARK_SCAN 4096
94 
95 /* SF Scenarios timers for default configuration (aligned to 32 uSec) */
96 #define SF_SINGLE_UNICAST_IDLE_TIMER_DEF 160	/* 150 uSec  */
97 #define SF_SINGLE_UNICAST_AGING_TIMER_DEF 400	/* 0.4 mSec */
98 #define SF_AGG_UNICAST_IDLE_TIMER_DEF 160		/* 150 uSec */
99 #define SF_AGG_UNICAST_AGING_TIMER_DEF 400		/* 0.4 mSec */
100 #define SF_MCAST_IDLE_TIMER_DEF 160		/* 150 mSec */
101 #define SF_MCAST_AGING_TIMER_DEF 400		/* 0.4 mSec */
102 #define SF_BA_IDLE_TIMER_DEF 160			/* 150 uSec */
103 #define SF_BA_AGING_TIMER_DEF 400			/* 0.4 mSec */
104 #define SF_TX_RE_IDLE_TIMER_DEF 160			/* 150 uSec */
105 #define SF_TX_RE_AGING_TIMER_DEF 400		/* 0.4 mSec */
106 
107 /* SF Scenarios timers for BSS MAC configuration (aligned to 32 uSec) */
108 #define SF_SINGLE_UNICAST_IDLE_TIMER 320	/* 300 uSec  */
109 #define SF_SINGLE_UNICAST_AGING_TIMER 2016	/* 2 mSec */
110 #define SF_AGG_UNICAST_IDLE_TIMER 320		/* 300 uSec */
111 #define SF_AGG_UNICAST_AGING_TIMER 2016		/* 2 mSec */
112 #define SF_MCAST_IDLE_TIMER 2016		/* 2 mSec */
113 #define SF_MCAST_AGING_TIMER 10016		/* 10 mSec */
114 #define SF_BA_IDLE_TIMER 320			/* 300 uSec */
115 #define SF_BA_AGING_TIMER 2016			/* 2 mSec */
116 #define SF_TX_RE_IDLE_TIMER 320			/* 300 uSec */
117 #define SF_TX_RE_AGING_TIMER 2016		/* 2 mSec */
118 
119 #define SF_LONG_DELAY_AGING_TIMER 1000000	/* 1 Sec */
120 
121 #define SF_CFG_DUMMY_NOTIF_OFF	BIT(16)
122 
123 /**
124  * struct iwl_sf_cfg_cmd - Smart Fifo configuration command.
125  * @state: smart fifo state, types listed in &enum iwl_sf_state.
126  * @watermark: Minimum allowed available free space in RXF for transient state.
127  * @long_delay_timeouts: aging and idle timer values for each scenario
128  * in long delay state.
129  * @full_on_timeouts: timer values for each scenario in full on state.
130  */
131 struct iwl_sf_cfg_cmd {
132 	__le32 state;
133 	__le32 watermark[SF_TRANSIENT_STATES_NUMBER];
134 	__le32 long_delay_timeouts[SF_NUM_SCENARIO][SF_NUM_TIMEOUT_TYPES];
135 	__le32 full_on_timeouts[SF_NUM_SCENARIO][SF_NUM_TIMEOUT_TYPES];
136 } __packed; /* SF_CFG_API_S_VER_2 */
137 
138 #endif /* __iwl_fw_api_sf_h__ */
139