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 64 bytes granularity
17 * 1 - LSB bits are in 1K bytes granularity
19 #define ICE_64_BYTE_GRANULARITY 0
20 #define ICE_KBYTE_GRANULARITY BIT(11)
21 #define ICE_MIN_BURST_SIZE_ALLOWED 64 /* In Bytes */
22 #define ICE_MAX_BURST_SIZE_ALLOWED \
23 ((BIT(11) - 1) * 1024) /* In Bytes */
24 #define ICE_MAX_BURST_SIZE_64_BYTE_GRANULARITY \
25 ((BIT(11) - 1) * 64) /* In Bytes */
26 #define ICE_MAX_BURST_SIZE_KBYTE_GRANULARITY ICE_MAX_BURST_SIZE_ALLOWED
28 #define ICE_RL_PROF_FREQUENCY 446000000
29 #define ICE_RL_PROF_ACCURACY_BYTES 128
30 #define ICE_RL_PROF_MULTIPLIER 10000
31 #define ICE_RL_PROF_TS_MULTIPLIER 32
32 #define ICE_RL_PROF_FRACTION 512
34 struct rl_profile_params {
41 /* BW rate limit profile parameters list entry along
42 * with bandwidth maintained per layer in port info
44 struct ice_aqc_rl_profile_info {
45 struct ice_aqc_rl_profile_elem profile;
46 struct LIST_ENTRY_TYPE list_entry;
47 u32 bw; /* requested */
48 u16 prof_id_ref; /* profile ID to node association ref count */
51 struct ice_sched_agg_vsi_info {
52 struct LIST_ENTRY_TYPE list_entry;
53 ice_declare_bitmap(tc_bitmap, ICE_MAX_TRAFFIC_CLASS);
55 /* save aggregator VSI TC bitmap */
56 ice_declare_bitmap(replay_tc_bitmap, ICE_MAX_TRAFFIC_CLASS);
59 struct ice_sched_agg_info {
60 struct LIST_HEAD_TYPE agg_vsi_list;
61 struct LIST_ENTRY_TYPE list_entry;
62 ice_declare_bitmap(tc_bitmap, ICE_MAX_TRAFFIC_CLASS);
64 enum ice_agg_type agg_type;
65 /* bw_t_info saves aggregator BW information */
66 struct ice_bw_type_info bw_t_info[ICE_MAX_TRAFFIC_CLASS];
67 /* save aggregator TC bitmap */
68 ice_declare_bitmap(replay_tc_bitmap, ICE_MAX_TRAFFIC_CLASS);
71 /* FW AQ command calls */
73 ice_aq_query_rl_profile(struct ice_hw *hw, u16 num_profiles,
74 struct ice_aqc_rl_profile_generic_elem *buf,
75 u16 buf_size, struct ice_sq_cd *cd);
77 ice_aq_cfg_l2_node_cgd(struct ice_hw *hw, u16 num_nodes,
78 struct ice_aqc_cfg_l2_node_cgd_data *buf, u16 buf_size,
79 struct ice_sq_cd *cd);
81 ice_aq_query_sched_elems(struct ice_hw *hw, u16 elems_req,
82 struct ice_aqc_get_elem *buf, u16 buf_size,
83 u16 *elems_ret, struct ice_sq_cd *cd);
84 enum ice_status ice_sched_init_port(struct ice_port_info *pi);
85 enum ice_status ice_sched_query_res_alloc(struct ice_hw *hw);
87 /* Functions to cleanup scheduler SW DB */
88 void ice_sched_clear_port(struct ice_port_info *pi);
89 void ice_sched_cleanup_all(struct ice_hw *hw);
90 void ice_sched_clear_agg(struct ice_hw *hw);
92 /* Get a scheduling node from SW DB for given TEID */
93 struct ice_sched_node *ice_sched_get_node(struct ice_port_info *pi, u32 teid);
94 struct ice_sched_node *
95 ice_sched_find_node_by_teid(struct ice_sched_node *start_node, u32 teid);
96 /* Add a scheduling node into SW DB for given info */
98 ice_sched_add_node(struct ice_port_info *pi, u8 layer,
99 struct ice_aqc_txsched_elem_data *info);
100 void ice_free_sched_node(struct ice_port_info *pi, struct ice_sched_node *node);
101 struct ice_sched_node *ice_sched_get_tc_node(struct ice_port_info *pi, u8 tc);
102 struct ice_sched_node *
103 ice_sched_get_free_qparent(struct ice_port_info *pi, u16 vsi_handle, u8 tc,
106 ice_sched_cfg_vsi(struct ice_port_info *pi, u16 vsi_handle, u8 tc, u16 maxqs,
107 u8 owner, bool enable);
108 enum ice_status ice_rm_vsi_lan_cfg(struct ice_port_info *pi, u16 vsi_handle);
109 struct ice_sched_node *
110 ice_sched_get_vsi_node(struct ice_port_info *pi, struct ice_sched_node *tc_node,
112 bool ice_sched_is_tree_balanced(struct ice_hw *hw, struct ice_sched_node *node);
114 ice_aq_query_node_to_root(struct ice_hw *hw, u32 node_teid,
115 struct ice_aqc_get_elem *buf, u16 buf_size,
116 struct ice_sq_cd *cd);
118 /* Tx scheduler rate limiter functions */
120 ice_cfg_agg(struct ice_port_info *pi, u32 agg_id,
121 enum ice_agg_type agg_type, u8 tc_bitmap);
123 ice_move_vsi_to_agg(struct ice_port_info *pi, u32 agg_id, u16 vsi_handle,
125 enum ice_status ice_rm_agg_cfg(struct ice_port_info *pi, u32 agg_id);
127 ice_cfg_q_bw_lmt(struct ice_port_info *pi, u16 vsi_handle, u8 tc,
128 u16 q_handle, enum ice_rl_type rl_type, u32 bw);
130 ice_cfg_q_bw_dflt_lmt(struct ice_port_info *pi, u16 vsi_handle, u8 tc,
131 u16 q_handle, enum ice_rl_type rl_type);
133 ice_cfg_tc_node_bw_lmt(struct ice_port_info *pi, u8 tc,
134 enum ice_rl_type rl_type, u32 bw);
136 ice_cfg_tc_node_bw_dflt_lmt(struct ice_port_info *pi, u8 tc,
137 enum ice_rl_type rl_type);
139 ice_cfg_vsi_bw_lmt_per_tc(struct ice_port_info *pi, u16 vsi_handle, u8 tc,
140 enum ice_rl_type rl_type, u32 bw);
142 ice_cfg_vsi_bw_dflt_lmt_per_tc(struct ice_port_info *pi, u16 vsi_handle, u8 tc,
143 enum ice_rl_type rl_type);
145 ice_cfg_agg_bw_lmt_per_tc(struct ice_port_info *pi, u32 agg_id, u8 tc,
146 enum ice_rl_type rl_type, u32 bw);
148 ice_cfg_agg_bw_dflt_lmt_per_tc(struct ice_port_info *pi, u32 agg_id, u8 tc,
149 enum ice_rl_type rl_type);
151 ice_cfg_vsi_bw_shared_lmt(struct ice_port_info *pi, u16 vsi_handle, u32 bw);
153 ice_cfg_vsi_bw_no_shared_lmt(struct ice_port_info *pi, u16 vsi_handle);
155 ice_cfg_agg_bw_shared_lmt(struct ice_port_info *pi, u32 agg_id, u32 bw);
157 ice_cfg_agg_bw_no_shared_lmt(struct ice_port_info *pi, u32 agg_id);
159 ice_cfg_vsi_q_priority(struct ice_port_info *pi, u16 num_qs, u32 *q_ids,
162 ice_cfg_vsi_bw_alloc(struct ice_port_info *pi, u16 vsi_handle, u8 ena_tcmap,
163 enum ice_rl_type rl_type, u8 *bw_alloc);
165 ice_cfg_agg_vsi_priority_per_tc(struct ice_port_info *pi, u32 agg_id,
166 u16 num_vsis, u16 *vsi_handle_arr,
167 u8 *node_prio, u8 tc);
169 ice_cfg_agg_bw_alloc(struct ice_port_info *pi, u32 agg_id, u8 ena_tcmap,
170 enum ice_rl_type rl_type, u8 *bw_alloc);
172 ice_sched_find_node_in_subtree(struct ice_hw *hw, struct ice_sched_node *base,
173 struct ice_sched_node *node);
175 ice_sched_set_agg_bw_dflt_lmt(struct ice_port_info *pi, u16 vsi_handle);
177 ice_sched_set_node_bw_lmt_per_tc(struct ice_port_info *pi, u32 id,
178 enum ice_agg_type agg_type, u8 tc,
179 enum ice_rl_type rl_type, u32 bw);
181 ice_sched_set_vsi_bw_shared_lmt(struct ice_port_info *pi, u16 vsi_handle,
184 ice_sched_set_agg_bw_shared_lmt(struct ice_port_info *pi, u32 agg_id, u32 bw);
186 ice_sched_cfg_sibl_node_prio(struct ice_hw *hw, struct ice_sched_node *node,
188 #endif /* _ICE_SCHED_H_ */