drivers/net/ice/base/ice_sched.h

   1 /* SPDX-License-Identifier: BSD-3-Clause
   2  * Copyright(c) 2001-2019
   3  */
   4
   5 #ifndef _ICE_SCHED_H_
   6 #define _ICE_SCHED_H_
   7
   8 #include "ice_common.h"
   9
  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
  18  */
  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
  25
  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
  31
  32 struct rl_profile_params {
  33         u32 bw;                 /* in Kbps */
  34         u16 rl_multiplier;
  35         u16 wake_up_calc;
  36         u16 rl_encode;
  37 };
  38
  39 /* BW rate limit profile parameters list entry along
  40  * with bandwidth maintained per layer in port info
  41  */
  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 */
  47 };
  48
  49 struct ice_sched_agg_vsi_info {
  50         struct LIST_ENTRY_TYPE list_entry;
  51         ice_declare_bitmap(tc_bitmap, ICE_MAX_TRAFFIC_CLASS);
  52         u16 vsi_handle;
  53         /* save aggregator VSI TC bitmap */
  54         ice_declare_bitmap(replay_tc_bitmap, ICE_MAX_TRAFFIC_CLASS);
  55 };
  56
  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);
  61         u32 agg_id;
  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);
  67 };
  68
  69 /* FW AQ command calls */
  70 enum ice_status
  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);
  74 enum ice_status
  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);
  78 enum ice_status
  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);
  84
  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);
  89
  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 */
  95 enum ice_status
  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,
 102                            u8 owner);
 103 enum ice_status
 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,
 109                        u16 vsi_handle);
 110 bool ice_sched_is_tree_balanced(struct ice_hw *hw, struct ice_sched_node *node);
 111 enum ice_status
 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);
 115
 116 /* Tx scheduler rate limiter functions */
 117 enum ice_status
 118 ice_cfg_agg(struct ice_port_info *pi, u32 agg_id,
 119             enum ice_agg_type agg_type, u8 tc_bitmap);
 120 enum ice_status
 121 ice_move_vsi_to_agg(struct ice_port_info *pi, u32 agg_id, u16 vsi_handle,
 122                     u8 tc_bitmap);
 123 enum ice_status ice_rm_agg_cfg(struct ice_port_info *pi, u32 agg_id);
 124 enum ice_status
 125 ice_cfg_q_bw_lmt(struct ice_port_info *pi, u16 vsi_handle, u8 tc,
 126                  u16 q_handle, enum ice_rl_type rl_type, u32 bw);
 127 enum ice_status
 128 ice_cfg_q_bw_dflt_lmt(struct ice_port_info *pi, u16 vsi_handle, u8 tc,
 129                       u16 q_handle, enum ice_rl_type rl_type);
 130 enum ice_status
 131 ice_cfg_tc_node_bw_lmt(struct ice_port_info *pi, u8 tc,
 132                        enum ice_rl_type rl_type, u32 bw);
 133 enum ice_status
 134 ice_cfg_tc_node_bw_dflt_lmt(struct ice_port_info *pi, u8 tc,
 135                             enum ice_rl_type rl_type);
 136 enum ice_status
 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);
 139 enum ice_status
 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);
 142 enum ice_status
 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);
 145 enum ice_status
 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);
 148 enum ice_status
 149 ice_cfg_vsi_bw_shared_lmt(struct ice_port_info *pi, u16 vsi_handle, u32 bw);
 150 enum ice_status
 151 ice_cfg_vsi_bw_no_shared_lmt(struct ice_port_info *pi, u16 vsi_handle);
 152 enum ice_status
 153 ice_cfg_agg_bw_shared_lmt(struct ice_port_info *pi, u32 agg_id, u32 bw);
 154 enum ice_status
 155 ice_cfg_agg_bw_no_shared_lmt(struct ice_port_info *pi, u32 agg_id);
 156 enum ice_status
 157 ice_cfg_vsi_q_priority(struct ice_port_info *pi, u16 num_qs, u32 *q_ids,
 158                        u8 *q_prio);
 159 enum ice_status
 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);
 162 enum ice_status
 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);
 166 enum ice_status
 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);
 169 bool
 170 ice_sched_find_node_in_subtree(struct ice_hw *hw, struct ice_sched_node *base,
 171                                struct ice_sched_node *node);
 172 enum ice_status
 173 ice_sched_set_agg_bw_dflt_lmt(struct ice_port_info *pi, u16 vsi_handle);
 174 enum ice_status
 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);
 178 enum ice_status
 179 ice_sched_set_vsi_bw_shared_lmt(struct ice_port_info *pi, u16 vsi_handle,
 180                                 u32 bw);
 181 enum ice_status
 182 ice_sched_set_agg_bw_shared_lmt(struct ice_port_info *pi, u32 agg_id, u32 bw);
 183 enum ice_status
 184 ice_sched_cfg_sibl_node_prio(struct ice_hw *hw, struct ice_sched_node *node,
 185                              u8 priority);
 186 #endif /* _ICE_SCHED_H_ */