1 /* SPDX-License-Identifier: BSD-3-Clause
2 * Copyright(c) 2001-2019
8 #include "ice_common.h"
10 #define ICE_QGRP_LAYER_OFFSET 2
11 #define ICE_VSI_LAYER_OFFSET 4
12 #define ICE_AGG_LAYER_OFFSET 6
13 #define ICE_SCHED_INVAL_LAYER_NUM 0xFF
14 /* Burst size is a 12 bits register that is configured while creating the RL
15 * profile(s). MSB is a granularity bit and tells the granularity type
16 * 0 - LSB bits are in bytes granularity
17 * 1 - LSB bits are in 1K bytes granularity
19 #define ICE_BYTE_GRANULARITY 0
20 #define ICE_KBYTE_GRANULARITY 0x800
21 #define ICE_MIN_BURST_SIZE_ALLOWED 1 /* In Bytes */
22 #define ICE_MAX_BURST_SIZE_ALLOWED (2047 * 1024) /* In Bytes */
23 #define ICE_MAX_BURST_SIZE_BYTE_GRANULARITY 2047 /* In Bytes */
24 #define ICE_MAX_BURST_SIZE_KBYTE_GRANULARITY ICE_MAX_BURST_SIZE_ALLOWED
26 #define ICE_RL_PROF_FREQUENCY 446000000
27 #define ICE_RL_PROF_ACCURACY_BYTES 128
28 #define ICE_RL_PROF_MULTIPLIER 10000
29 #define ICE_RL_PROF_TS_MULTIPLIER 32
30 #define ICE_RL_PROF_FRACTION 512
32 struct rl_profile_params {
39 /* BW rate limit profile parameters list entry along
40 * with bandwidth maintained per layer in port info
42 struct ice_aqc_rl_profile_info {
43 struct ice_aqc_rl_profile_elem profile;
44 struct LIST_ENTRY_TYPE list_entry;
45 u32 bw; /* requested */
46 u16 prof_id_ref; /* profile ID to node association ref count */
49 struct ice_sched_agg_vsi_info {
50 struct LIST_ENTRY_TYPE list_entry;
51 ice_declare_bitmap(tc_bitmap, ICE_MAX_TRAFFIC_CLASS);
53 /* save aggregator VSI TC bitmap */
54 ice_declare_bitmap(replay_tc_bitmap, ICE_MAX_TRAFFIC_CLASS);
57 struct ice_sched_agg_info {
58 struct LIST_HEAD_TYPE agg_vsi_list;
59 struct LIST_ENTRY_TYPE list_entry;
60 ice_declare_bitmap(tc_bitmap, ICE_MAX_TRAFFIC_CLASS);
62 enum ice_agg_type agg_type;
63 /* bw_t_info saves aggregator BW information */
64 struct ice_bw_type_info bw_t_info[ICE_MAX_TRAFFIC_CLASS];
65 /* save aggregator TC bitmap */
66 ice_declare_bitmap(replay_tc_bitmap, ICE_MAX_TRAFFIC_CLASS);
69 /* FW AQ command calls */
71 ice_aq_query_rl_profile(struct ice_hw *hw, u16 num_profiles,
72 struct ice_aqc_rl_profile_generic_elem *buf,
73 u16 buf_size, struct ice_sq_cd *cd);
75 ice_aq_cfg_l2_node_cgd(struct ice_hw *hw, u16 num_nodes,
76 struct ice_aqc_cfg_l2_node_cgd_data *buf, u16 buf_size,
77 struct ice_sq_cd *cd);
79 ice_aq_query_sched_elems(struct ice_hw *hw, u16 elems_req,
80 struct ice_aqc_get_elem *buf, u16 buf_size,
81 u16 *elems_ret, struct ice_sq_cd *cd);
82 enum ice_status ice_sched_init_port(struct ice_port_info *pi);
83 enum ice_status ice_sched_query_res_alloc(struct ice_hw *hw);
85 /* Functions to cleanup scheduler SW DB */
86 void ice_sched_clear_port(struct ice_port_info *pi);
87 void ice_sched_cleanup_all(struct ice_hw *hw);
88 void ice_sched_clear_agg(struct ice_hw *hw);
90 /* Get a scheduling node from SW DB for given TEID */
91 struct ice_sched_node *ice_sched_get_node(struct ice_port_info *pi, u32 teid);
92 struct ice_sched_node *
93 ice_sched_find_node_by_teid(struct ice_sched_node *start_node, u32 teid);
94 /* Add a scheduling node into SW DB for given info */
96 ice_sched_add_node(struct ice_port_info *pi, u8 layer,
97 struct ice_aqc_txsched_elem_data *info);
98 void ice_free_sched_node(struct ice_port_info *pi, struct ice_sched_node *node);
99 struct ice_sched_node *ice_sched_get_tc_node(struct ice_port_info *pi, u8 tc);
100 struct ice_sched_node *
101 ice_sched_get_free_qparent(struct ice_port_info *pi, u16 vsi_handle, u8 tc,
104 ice_sched_cfg_vsi(struct ice_port_info *pi, u16 vsi_handle, u8 tc, u16 maxqs,
105 u8 owner, bool enable);
106 enum ice_status ice_rm_vsi_lan_cfg(struct ice_port_info *pi, u16 vsi_handle);
107 struct ice_sched_node *
108 ice_sched_get_vsi_node(struct ice_hw *hw, struct ice_sched_node *tc_node,
110 bool ice_sched_is_tree_balanced(struct ice_hw *hw, struct ice_sched_node *node);
112 ice_aq_query_node_to_root(struct ice_hw *hw, u32 node_teid,
113 struct ice_aqc_get_elem *buf, u16 buf_size,
114 struct ice_sq_cd *cd);
116 /* Tx scheduler rate limiter functions */
118 ice_cfg_agg(struct ice_port_info *pi, u32 agg_id,
119 enum ice_agg_type agg_type, u8 tc_bitmap);
121 ice_move_vsi_to_agg(struct ice_port_info *pi, u32 agg_id, u16 vsi_handle,
123 enum ice_status ice_rm_agg_cfg(struct ice_port_info *pi, u32 agg_id);
125 ice_cfg_q_bw_lmt(struct ice_port_info *pi, u32 q_id, enum ice_rl_type rl_type,
128 ice_cfg_q_bw_dflt_lmt(struct ice_port_info *pi, u32 q_id,
129 enum ice_rl_type rl_type);
131 ice_cfg_tc_node_bw_lmt(struct ice_port_info *pi, u8 tc,
132 enum ice_rl_type rl_type, u32 bw);
134 ice_cfg_tc_node_bw_dflt_lmt(struct ice_port_info *pi, u8 tc,
135 enum ice_rl_type rl_type);
137 ice_cfg_vsi_bw_lmt_per_tc(struct ice_port_info *pi, u16 vsi_handle, u8 tc,
138 enum ice_rl_type rl_type, u32 bw);
140 ice_cfg_vsi_bw_dflt_lmt_per_tc(struct ice_port_info *pi, u16 vsi_handle, u8 tc,
141 enum ice_rl_type rl_type);
143 ice_cfg_agg_bw_lmt_per_tc(struct ice_port_info *pi, u32 agg_id, u8 tc,
144 enum ice_rl_type rl_type, u32 bw);
146 ice_cfg_agg_bw_dflt_lmt_per_tc(struct ice_port_info *pi, u32 agg_id, u8 tc,
147 enum ice_rl_type rl_type);
149 ice_cfg_vsi_bw_shared_lmt(struct ice_port_info *pi, u16 vsi_handle, u32 bw);
151 ice_cfg_vsi_bw_no_shared_lmt(struct ice_port_info *pi, u16 vsi_handle);
153 ice_cfg_agg_bw_shared_lmt(struct ice_port_info *pi, u32 agg_id, u32 bw);
155 ice_cfg_agg_bw_no_shared_lmt(struct ice_port_info *pi, u32 agg_id);
157 ice_cfg_vsi_q_priority(struct ice_port_info *pi, u16 num_qs, u32 *q_ids,
160 ice_cfg_vsi_bw_alloc(struct ice_port_info *pi, u16 vsi_handle, u8 ena_tcmap,
161 enum ice_rl_type rl_type, u8 *bw_alloc);
163 ice_cfg_agg_vsi_priority_per_tc(struct ice_port_info *pi, u32 agg_id,
164 u16 num_vsis, u16 *vsi_handle_arr,
165 u8 *node_prio, u8 tc);
167 ice_cfg_agg_bw_alloc(struct ice_port_info *pi, u32 agg_id, u8 ena_tcmap,
168 enum ice_rl_type rl_type, u8 *bw_alloc);
170 ice_sched_find_node_in_subtree(struct ice_hw *hw, struct ice_sched_node *base,
171 struct ice_sched_node *node);
173 ice_sched_set_agg_bw_dflt_lmt(struct ice_port_info *pi, u16 vsi_handle);
175 ice_sched_set_node_bw_lmt_per_tc(struct ice_port_info *pi, u32 id,
176 enum ice_agg_type agg_type, u8 tc,
177 enum ice_rl_type rl_type, u32 bw);
179 ice_sched_set_vsi_bw_shared_lmt(struct ice_port_info *pi, u16 vsi_handle,
182 ice_sched_set_agg_bw_shared_lmt(struct ice_port_info *pi, u32 agg_id, u32 bw);
184 ice_sched_cfg_sibl_node_prio(struct ice_hw *hw, struct ice_sched_node *node,
186 #endif /* _ICE_SCHED_H_ */