/* SPDX-License-Identifier: BSD-3-Clause
- * Copyright(c) 2001-2018
+ * Copyright(c) 2001-2019
*/
#include "ice_sched.h"
/**
* ice_sched_find_node_by_teid - Find the Tx scheduler node in SW DB
* @start_node: pointer to the starting ice_sched_node struct in a sub-tree
- * @teid: node teid to search
+ * @teid: node TEID to search
*
- * This function searches for a node matching the teid in the scheduling tree
+ * This function searches for a node matching the TEID in the scheduling tree
* from the SW DB. The search is recursive and is restricted by the number of
* layers it has searched through; stopping at the max supported layer.
*
start_node->info.data.elem_type == ICE_AQC_ELEM_TYPE_LEAF)
return NULL;
- /* Check if teid matches to any of the children nodes */
+ /* Check if TEID matches to any of the children nodes */
for (i = 0; i < start_node->num_children; i++)
if (ICE_TXSCHED_GET_NODE_TEID(start_node->children[i]) == teid)
return start_node->children[i];
/**
* ice_aqc_send_sched_elem_cmd - send scheduling elements cmd
- * @hw: pointer to the hw struct
+ * @hw: pointer to the HW struct
* @cmd_opc: cmd opcode
* @elems_req: number of elements to request
* @buf: pointer to buffer
/**
* ice_aq_query_sched_elems - query scheduler elements
- * @hw: pointer to the hw struct
+ * @hw: pointer to the HW struct
* @elems_req: number of elements to query
* @buf: pointer to buffer
* @buf_size: buffer size in bytes
/**
* ice_aq_delete_sched_elems - delete scheduler elements
- * @hw: pointer to the hw struct
+ * @hw: pointer to the HW struct
* @grps_req: number of groups to delete
* @buf: pointer to buffer
* @buf_size: buffer size in bytes
}
/**
- * ice_sched_remove_elems - remove nodes from hw
- * @hw: pointer to the hw struct
+ * ice_sched_remove_elems - remove nodes from HW
+ * @hw: pointer to the HW struct
* @parent: pointer to the parent node
* @num_nodes: number of nodes
* @node_teids: array of node teids to be deleted
*
- * This function remove nodes from hw
+ * This function remove nodes from HW
*/
static enum ice_status
ice_sched_remove_elems(struct ice_hw *hw, struct ice_sched_node *parent,
/**
* ice_sched_get_first_node - get the first node of the given layer
- * @hw: pointer to the hw struct
+ * @hw: pointer to the HW struct
* @parent: pointer the base node of the subtree
* @layer: layer number
*
/**
* ice_aq_get_dflt_topo - gets default scheduler topology
- * @hw: pointer to the hw struct
+ * @hw: pointer to the HW struct
* @lport: logical port number
* @buf: pointer to buffer
* @buf_size: buffer size in bytes
/**
* ice_aq_add_sched_elems - adds scheduling element
- * @hw: pointer to the hw struct
+ * @hw: pointer to the HW struct
* @grps_req: the number of groups that are requested to be added
* @buf: pointer to buffer
* @buf_size: buffer size in bytes
/**
* ice_aq_cfg_sched_elems - configures scheduler elements
- * @hw: pointer to the hw struct
+ * @hw: pointer to the HW struct
* @elems_req: number of elements to configure
* @buf: pointer to buffer
* @buf_size: buffer size in bytes
/**
* ice_aq_move_sched_elems - move scheduler elements
- * @hw: pointer to the hw struct
+ * @hw: pointer to the HW struct
* @grps_req: number of groups to move
* @buf: pointer to buffer
* @buf_size: buffer size in bytes
*
* Move scheduling elements (0x0408)
*/
-enum ice_status
+static enum ice_status
ice_aq_move_sched_elems(struct ice_hw *hw, u16 grps_req,
struct ice_aqc_move_elem *buf, u16 buf_size,
u16 *grps_movd, struct ice_sq_cd *cd)
/**
* ice_aq_suspend_sched_elems - suspend scheduler elements
- * @hw: pointer to the hw struct
+ * @hw: pointer to the HW struct
* @elems_req: number of elements to suspend
* @buf: pointer to buffer
* @buf_size: buffer size in bytes
/**
* ice_aq_resume_sched_elems - resume scheduler elements
- * @hw: pointer to the hw struct
+ * @hw: pointer to the HW struct
* @elems_req: number of elements to resume
* @buf: pointer to buffer
* @buf_size: buffer size in bytes
/**
* ice_aq_query_sched_res - query scheduler resource
- * @hw: pointer to the hw struct
+ * @hw: pointer to the HW struct
* @buf_size: buffer size in bytes
* @buf: pointer to buffer
* @cd: pointer to command details structure or NULL
}
/**
- * ice_sched_suspend_resume_elems - suspend or resume hw nodes
- * @hw: pointer to the hw struct
+ * ice_sched_suspend_resume_elems - suspend or resume HW nodes
+ * @hw: pointer to the HW struct
* @num_nodes: number of nodes
* @node_teids: array of node teids to be suspended or resumed
* @suspend: true means suspend / false means resume
*
- * This function suspends or resumes hw nodes
+ * This function suspends or resumes HW nodes
*/
static enum ice_status
ice_sched_suspend_resume_elems(struct ice_hw *hw, u8 num_nodes, u32 *node_teids,
return status;
}
+/**
+ * ice_alloc_lan_q_ctx - allocate LAN queue contexts for the given VSI and TC
+ * @hw: pointer to the HW struct
+ * @vsi_handle: VSI handle
+ * @tc: TC number
+ * @new_numqs: number of queues
+ */
+static enum ice_status
+ice_alloc_lan_q_ctx(struct ice_hw *hw, u16 vsi_handle, u8 tc, u16 new_numqs)
+{
+ struct ice_vsi_ctx *vsi_ctx;
+ struct ice_q_ctx *q_ctx;
+
+ vsi_ctx = ice_get_vsi_ctx(hw, vsi_handle);
+ if (!vsi_ctx)
+ return ICE_ERR_PARAM;
+ /* allocate LAN queue contexts */
+ if (!vsi_ctx->lan_q_ctx[tc]) {
+ vsi_ctx->lan_q_ctx[tc] = (struct ice_q_ctx *)
+ ice_calloc(hw, new_numqs, sizeof(*q_ctx));
+ if (!vsi_ctx->lan_q_ctx[tc])
+ return ICE_ERR_NO_MEMORY;
+ vsi_ctx->num_lan_q_entries[tc] = new_numqs;
+ return ICE_SUCCESS;
+ }
+ /* num queues are increased, update the queue contexts */
+ if (new_numqs > vsi_ctx->num_lan_q_entries[tc]) {
+ u16 prev_num = vsi_ctx->num_lan_q_entries[tc];
+
+ q_ctx = (struct ice_q_ctx *)
+ ice_calloc(hw, new_numqs, sizeof(*q_ctx));
+ if (!q_ctx)
+ return ICE_ERR_NO_MEMORY;
+ ice_memcpy(q_ctx, vsi_ctx->lan_q_ctx[tc],
+ prev_num * sizeof(*q_ctx), ICE_DMA_TO_NONDMA);
+ ice_free(hw, vsi_ctx->lan_q_ctx[tc]);
+ vsi_ctx->lan_q_ctx[tc] = q_ctx;
+ vsi_ctx->num_lan_q_entries[tc] = new_numqs;
+ }
+ return ICE_SUCCESS;
+}
+
/**
* ice_aq_rl_profile - performs a rate limiting task
- * @hw: pointer to the hw struct
+ * @hw: pointer to the HW struct
* @opcode:opcode for add, query, or remove profile(s)
* @num_profiles: the number of profiles
* @buf: pointer to buffer
/**
* ice_aq_add_rl_profile - adds rate limiting profile(s)
- * @hw: pointer to the hw struct
+ * @hw: pointer to the HW struct
* @num_profiles: the number of profile(s) to be add
* @buf: pointer to buffer
* @buf_size: buffer size in bytes
* @num_profiles_added: total number of profiles added to return
* @cd: pointer to command details structure
*
- * Add rl profile (0x0410)
+ * Add RL profile (0x0410)
*/
static enum ice_status
ice_aq_add_rl_profile(struct ice_hw *hw, u16 num_profiles,
/**
* ice_aq_query_rl_profile - query rate limiting profile(s)
- * @hw: pointer to the hw struct
+ * @hw: pointer to the HW struct
* @num_profiles: the number of profile(s) to query
* @buf: pointer to buffer
* @buf_size: buffer size in bytes
* @cd: pointer to command details structure
*
- * Query rl profile (0x0411)
+ * Query RL profile (0x0411)
*/
enum ice_status
ice_aq_query_rl_profile(struct ice_hw *hw, u16 num_profiles,
}
/**
- * ice_aq_remove_rl_profile - removes rl profile(s)
- * @hw: pointer to the hw struct
+ * ice_aq_remove_rl_profile - removes RL profile(s)
+ * @hw: pointer to the HW struct
* @num_profiles: the number of profile(s) to remove
* @buf: pointer to buffer
* @buf_size: buffer size in bytes
* @num_profiles_removed: total number of profiles removed to return
* @cd: pointer to command details structure or NULL
*
- * Remove rl profile (0x0415)
+ * Remove RL profile (0x0415)
*/
static enum ice_status
ice_aq_remove_rl_profile(struct ice_hw *hw, u16 num_profiles,
}
/**
- * ice_sched_clear_rl_prof - clears rl prof entries
+ * ice_sched_del_rl_profile - remove RL profile
+ * @hw: pointer to the HW struct
+ * @rl_info: rate limit profile information
+ *
+ * If the profile ID is not referenced anymore, it removes profile ID with
+ * its associated parameters from HW DB,and locally. The caller needs to
+ * hold scheduler lock.
+ */
+static enum ice_status
+ice_sched_del_rl_profile(struct ice_hw *hw,
+ struct ice_aqc_rl_profile_info *rl_info)
+{
+ struct ice_aqc_rl_profile_generic_elem *buf;
+ u16 num_profiles_removed;
+ enum ice_status status;
+ u16 num_profiles = 1;
+
+ if (rl_info->prof_id_ref != 0)
+ return ICE_ERR_IN_USE;
+
+ /* Safe to remove profile ID */
+ buf = (struct ice_aqc_rl_profile_generic_elem *)
+ &rl_info->profile;
+ status = ice_aq_remove_rl_profile(hw, num_profiles, buf, sizeof(*buf),
+ &num_profiles_removed, NULL);
+ if (status || num_profiles_removed != num_profiles)
+ return ICE_ERR_CFG;
+
+ /* Delete stale entry now */
+ LIST_DEL(&rl_info->list_entry);
+ ice_free(hw, rl_info);
+ return status;
+}
+
+/**
+ * ice_sched_clear_rl_prof - clears RL prof entries
* @pi: port information structure
*
- * This function removes all rl profile from hw as well as from SW DB.
+ * This function removes all RL profile from HW as well as from SW DB.
*/
static void ice_sched_clear_rl_prof(struct ice_port_info *pi)
{
}
/**
- * ice_sched_clear_agg - clears the agg related information
+ * ice_sched_clear_agg - clears the aggregator related information
* @hw: pointer to the hardware structure
*
- * This function removes agg list and free up agg related memory
+ * This function removes aggregator list and free up aggregator related memory
* previously allocated.
*/
void ice_sched_clear_agg(struct ice_hw *hw)
{
if (!pi)
return;
- /* remove rl profiles related lists */
+ /* remove RL profiles related lists */
ice_sched_clear_rl_prof(pi);
if (pi->root) {
ice_free_sched_node(pi, pi->root);
/**
* ice_sched_cleanup_all - cleanup scheduler elements from SW DB for all ports
- * @hw: pointer to the hw struct
+ * @hw: pointer to the HW struct
*
* Cleanup scheduling elements from SW DB for all the ports
*/
/**
* ice_aq_cfg_l2_node_cgd - configures L2 node to CGD mapping
- * @hw: pointer to the hw struct
+ * @hw: pointer to the HW struct
* @num_l2_nodes: the number of L2 nodes whose CGDs to configure
* @buf: pointer to buffer
* @buf_size: buffer size in bytes
/**
- * ice_sched_add_elems - add nodes to hw and SW DB
+ * ice_sched_add_elems - add nodes to HW and SW DB
* @pi: port information structure
* @tc_node: pointer to the branch node
* @parent: pointer to the parent node
* @layer: layer number to add nodes
* @num_nodes: number of nodes
* @num_nodes_added: pointer to num nodes added
- * @first_node_teid: if new nodes are added then return the teid of first node
+ * @first_node_teid: if new nodes are added then return the TEID of first node
*
- * This function add nodes to hw as well as to SW DB for a given layer
+ * This function add nodes to HW as well as to SW DB for a given layer
*/
static enum ice_status
ice_sched_add_elems(struct ice_port_info *pi, struct ice_sched_node *tc_node,
* @parent: pointer to parent node
* @layer: layer number to add nodes
* @num_nodes: number of nodes to be added
- * @first_node_teid: pointer to the first node teid
+ * @first_node_teid: pointer to the first node TEID
* @num_nodes_added: pointer to number of nodes added
*
* This function add nodes to a given layer.
*num_nodes_added += num_added;
}
- /* Don't modify the first node teid memory if the first node was
+ /* Don't modify the first node TEID memory if the first node was
* added already in the above call. Instead send some temp
* memory for all other recursive calls.
*/
/**
* ice_sched_get_qgrp_layer - get the current queue group layer number
- * @hw: pointer to the hw struct
+ * @hw: pointer to the HW struct
*
* This function returns the current queue group layer number
*/
/**
* ice_sched_get_vsi_layer - get the current VSI layer number
- * @hw: pointer to the hw struct
+ * @hw: pointer to the HW struct
*
* This function returns the current VSI layer number
*/
* 7 4
* 5 or less sw_entry_point_layer
*/
- /* calculate the vsi layer based on number of layers. */
+ /* calculate the VSI layer based on number of layers. */
if (hw->num_tx_sched_layers > ICE_VSI_LAYER_OFFSET + 1) {
u8 layer = hw->num_tx_sched_layers - ICE_VSI_LAYER_OFFSET;
/**
* ice_sched_get_agg_layer - get the current aggregator layer number
- * @hw: pointer to the hw struct
+ * @hw: pointer to the HW struct
*
* This function returns the current aggregator layer number
*/
static u8 ice_sched_get_agg_layer(struct ice_hw *hw)
{
- /* Num Layers agg layer
+ /* Num Layers aggregator layer
* 9 4
* 7 or less sw_entry_point_layer
*/
- /* calculate the agg layer based on number of layers. */
+ /* calculate the aggregator layer based on number of layers. */
if (hw->num_tx_sched_layers > ICE_AGG_LAYER_OFFSET + 1) {
u8 layer = hw->num_tx_sched_layers - ICE_AGG_LAYER_OFFSET;
}
/**
- * ice_sched_get_node - Get the struct ice_sched_node for given teid
+ * ice_sched_get_node - Get the struct ice_sched_node for given TEID
* @pi: port information structure
* @teid: Scheduler node TEID
*
- * This function retrieves the ice_sched_node struct for given teid from
+ * This function retrieves the ice_sched_node struct for given TEID from
* the SW DB and returns it to the caller.
*/
struct ice_sched_node *ice_sched_get_node(struct ice_port_info *pi, u32 teid)
/**
* ice_sched_find_node_in_subtree - Find node in part of base node subtree
- * @hw: pointer to the hw struct
+ * @hw: pointer to the HW struct
* @base: pointer to the base node
* @node: pointer to the node to search
*
}
/**
- * ice_sched_get_free_qparent - Get a free lan or rdma q group node
+ * ice_sched_get_free_qparent - Get a free LAN or RDMA queue group node
* @pi: port information structure
* @vsi_handle: software VSI handle
* @tc: branch number
- * @owner: lan or rdma
+ * @owner: LAN or RDMA
*
- * This function retrieves a free lan or rdma q group node
+ * This function retrieves a free LAN or RDMA queue group node
*/
struct ice_sched_node *
ice_sched_get_free_qparent(struct ice_port_info *pi, u16 vsi_handle, u8 tc,
if (!vsi_ctx)
return NULL;
vsi_node = vsi_ctx->sched.vsi_node[tc];
- /* validate invalid VSI id */
+ /* validate invalid VSI ID */
if (!vsi_node)
goto lan_q_exit;
- /* get the first q group node from VSI sub-tree */
+ /* get the first queue group node from VSI sub-tree */
qgrp_node = ice_sched_get_first_node(pi->hw, vsi_node, qgrp_layer);
while (qgrp_node) {
/* make sure the qgroup node is part of the VSI subtree */
}
/**
- * ice_sched_get_vsi_node - Get a VSI node based on VSI id
- * @hw: pointer to the hw struct
+ * ice_sched_get_vsi_node - Get a VSI node based on VSI ID
+ * @hw: pointer to the HW struct
* @tc_node: pointer to the TC node
* @vsi_handle: software VSI handle
*
- * This function retrieves a VSI node for a given VSI id from a given
+ * This function retrieves a VSI node for a given VSI ID from a given
* TC branch
*/
struct ice_sched_node *
}
/**
- * ice_sched_get_agg_node - Get an aggregator node based on agg id
- * @hw: pointer to the hw struct
+ * ice_sched_get_agg_node - Get an aggregator node based on aggregator ID
+ * @hw: pointer to the HW struct
* @tc_node: pointer to the TC node
- * @agg_id: aggregator id
+ * @agg_id: aggregator ID
*
- * This function retrieves an aggregator node for a given agg id from a given
- * TC branch
+ * This function retrieves an aggregator node for a given aggregator ID from
+ * a given TC branch
*/
-struct ice_sched_node *
+static struct ice_sched_node *
ice_sched_get_agg_node(struct ice_hw *hw, struct ice_sched_node *tc_node,
u32 agg_id)
{
/**
* ice_sched_check_node - Compare node parameters between SW DB and HW DB
- * @hw: pointer to the hw struct
+ * @hw: pointer to the HW struct
* @node: pointer to the ice_sched_node struct
*
* This function queries and compares the HW element with SW DB node parameters
/**
* ice_sched_calc_vsi_child_nodes - calculate number of VSI child nodes
- * @hw: pointer to the hw struct
+ * @hw: pointer to the HW struct
* @num_qs: number of queues
* @num_nodes: num nodes array
*
qgl = ice_sched_get_qgrp_layer(hw);
vsil = ice_sched_get_vsi_layer(hw);
- /* calculate num nodes from q group to VSI layer */
+ /* calculate num nodes from queue group to VSI layer */
for (i = qgl; i > vsil; i--) {
/* round to the next integer if there is a remainder */
num = DIVIDE_AND_ROUND_UP(num, hw->max_children[i]);
* @vsi_handle: software VSI handle
* @tc_node: pointer to the TC node
* @num_nodes: pointer to the num nodes that needs to be added per layer
- * @owner: node owner (lan or rdma)
+ * @owner: node owner (LAN or RDMA)
*
* This function adds the VSI child nodes to tree. It gets called for
- * lan and rdma separately.
+ * LAN and RDMA separately.
*/
static enum ice_status
ice_sched_add_vsi_child_nodes(struct ice_port_info *pi, u16 vsi_handle,
/**
* ice_sched_calc_vsi_support_nodes - calculate number of VSI support nodes
- * @hw: pointer to the hw struct
+ * @hw: pointer to the HW struct
* @tc_node: pointer to TC node
* @num_nodes: pointer to num nodes array
*
/* calculate number of supported nodes needed for this VSI */
ice_sched_calc_vsi_support_nodes(hw, tc_node, num_nodes);
- /* add vsi supported nodes to tc subtree */
+ /* add VSI supported nodes to TC subtree */
return ice_sched_add_vsi_support_nodes(pi, vsi_handle, tc_node,
num_nodes);
}
if (!vsi_ctx)
return ICE_ERR_PARAM;
- if (owner == ICE_SCHED_NODE_OWNER_LAN)
- prev_numqs = vsi_ctx->sched.max_lanq[tc];
- else
- return ICE_ERR_PARAM;
-
+ prev_numqs = vsi_ctx->sched.max_lanq[tc];
/* num queues are not changed or less than the previous number */
if (new_numqs <= prev_numqs)
return status;
+ status = ice_alloc_lan_q_ctx(hw, vsi_handle, tc, new_numqs);
+ if (status)
+ return status;
+
if (new_numqs)
ice_sched_calc_vsi_child_nodes(hw, new_numqs, new_num_nodes);
/* Keep the max number of queue configuration all the time. Update the
return status;
vsi_ctx->sched.max_lanq[tc] = new_numqs;
- return status;
+ return ICE_SUCCESS;
}
/**
* @vsi_handle: software VSI handle
* @tc: TC number
* @maxqs: max number of queues
- * @owner: lan or rdma
+ * @owner: LAN or RDMA
* @enable: TC enabled or disabled
*
* This function adds/updates VSI nodes based on the number of queues. If TC is
return ICE_ERR_PARAM;
vsi_node = ice_sched_get_vsi_node(hw, tc_node, vsi_handle);
- /* suspend the VSI if tc is not enabled */
+ /* suspend the VSI if TC is not enabled */
if (!enable) {
if (vsi_node && vsi_node->in_use) {
u32 teid = LE32_TO_CPU(vsi_node->info.node_teid);
}
/**
- * ice_sched_rm_agg_vsi_entry - remove agg related vsi info entry
+ * ice_sched_rm_agg_vsi_entry - remove aggregator related VSI info entry
* @pi: port information structure
* @vsi_handle: software VSI handle
*
- * This function removes single aggregator vsi info entry from
+ * This function removes single aggregator VSI info entry from
* aggregator list.
*/
static void
* ice_sched_rm_vsi_cfg - remove the VSI and its children nodes
* @pi: port information structure
* @vsi_handle: software VSI handle
- * @owner: lan or rdma
+ * @owner: LAN or RDMA
*
- * This function removes the VSI and its lan or rdma children nodes from the
+ * This function removes the VSI and its LAN or RDMA children nodes from the
* scheduler tree.
*/
static enum ice_status
if (!vsi_ctx)
goto exit_sched_rm_vsi_cfg;
- for (i = 0; i < ICE_MAX_TRAFFIC_CLASS; i++) {
+ ice_for_each_traffic_class(i) {
struct ice_sched_node *vsi_node, *tc_node;
u8 j = 0;
ice_free_sched_node(pi, vsi_node);
vsi_ctx->sched.vsi_node[i] = NULL;
- /* clean up agg related vsi info if any */
+ /* clean up aggregator related VSI info if any */
ice_sched_rm_agg_vsi_info(pi, vsi_handle);
}
if (owner == ICE_SCHED_NODE_OWNER_LAN)
}
/**
- * ice_rm_vsi_lan_cfg - remove VSI and its lan children nodes
+ * ice_rm_vsi_lan_cfg - remove VSI and its LAN children nodes
* @pi: port information structure
* @vsi_handle: software VSI handle
*
- * This function clears the VSI and its lan children nodes from scheduler tree
+ * This function clears the VSI and its LAN children nodes from scheduler tree
* for all TCs.
*/
enum ice_status ice_rm_vsi_lan_cfg(struct ice_port_info *pi, u16 vsi_handle)
/**
* ice_sched_is_tree_balanced - Check tree nodes are identical or not
- * @hw: pointer to the hw struct
+ * @hw: pointer to the HW struct
* @node: pointer to the ice_sched_node struct
*
* This function compares all the nodes for a given tree against HW DB nodes
}
/**
- * ice_aq_query_node_to_root - retrieve the tree topology for a given node teid
- * @hw: pointer to the hw struct
- * @node_teid: node teid
+ * ice_aq_query_node_to_root - retrieve the tree topology for a given node TEID
+ * @hw: pointer to the HW struct
+ * @node_teid: node TEID
* @buf: pointer to buffer
* @buf_size: buffer size in bytes
* @cd: pointer to command details structure or NULL
*
* This function retrieves the tree topology from the firmware for a given
- * node teid to the root node.
+ * node TEID to the root node.
*/
enum ice_status
ice_aq_query_node_to_root(struct ice_hw *hw, u32 node_teid,
}
/**
- * ice_get_agg_info - get the agg id
+ * ice_get_agg_info - get the aggregator ID
* @hw: pointer to the hardware structure
- * @agg_id: aggregator id
+ * @agg_id: aggregator ID
*
- * This function validates agg id. The function returns info if agg id is
- * prsent in list otherwise it returns null.
+ * This function validates aggregator ID. The function returns info if
+ * aggregator ID is present in list otherwise it returns null.
*/
static struct ice_sched_agg_info*
ice_get_agg_info(struct ice_hw *hw, u32 agg_id)
}
/**
- * ice_move_all_vsi_to_dflt_agg - move all VSI(s) to default agg
- * @pi: port information structure
- * @agg_info: aggregator info
- * @tc: traffic class number
- * @rm_vsi_info: true or false
+ * ice_sched_get_free_vsi_parent - Find a free parent node in aggregator subtree
+ * @hw: pointer to the HW struct
+ * @node: pointer to a child node
+ * @num_nodes: num nodes count array
*
- * This function move all the VSI(s) to the default aggregator and delete
- * agg vsi info based on passed in boolean parameter rm_vsi_info. The
- * caller holds the scheduler lock.
+ * This function walks through the aggregator subtree to find a free parent
+ * node
*/
-static enum ice_status
-ice_move_all_vsi_to_dflt_agg(struct ice_port_info *pi,
- struct ice_sched_agg_info *agg_info, u8 tc,
- bool rm_vsi_info)
+static struct ice_sched_node *
+ice_sched_get_free_vsi_parent(struct ice_hw *hw, struct ice_sched_node *node,
+ u16 *num_nodes)
{
- struct ice_sched_agg_vsi_info *agg_vsi_info;
- struct ice_sched_agg_vsi_info *tmp;
- enum ice_status status = ICE_SUCCESS;
+ u8 l = node->tx_sched_layer;
+ u8 vsil, i;
- LIST_FOR_EACH_ENTRY_SAFE(agg_vsi_info, tmp, &agg_info->agg_vsi_list,
- ice_sched_agg_vsi_info, list_entry) {
- u16 vsi_handle = agg_vsi_info->vsi_handle;
+ vsil = ice_sched_get_vsi_layer(hw);
- /* Move VSI to default agg */
- if (!ice_is_tc_ena(agg_vsi_info->tc_bitmap[0], tc))
- continue;
+ /* Is it VSI parent layer ? */
+ if (l == vsil - 1)
+ return (node->num_children < hw->max_children[l]) ? node : NULL;
- status = ice_sched_move_vsi_to_agg(pi, vsi_handle,
- ICE_DFLT_AGG_ID, tc);
- if (status)
- break;
+ /* We have intermediate nodes. Let's walk through the subtree. If the
+ * intermediate node has space to add a new node then clear the count
+ */
+ if (node->num_children < hw->max_children[l])
+ num_nodes[l] = 0;
+ /* The below recursive call is intentional and wouldn't go more than
+ * 2 or 3 iterations.
+ */
- ice_clear_bit(tc, agg_vsi_info->tc_bitmap);
- if (rm_vsi_info && !agg_vsi_info->tc_bitmap[0]) {
- LIST_DEL(&agg_vsi_info->list_entry);
- ice_free(pi->hw, agg_vsi_info);
- }
+ for (i = 0; i < node->num_children; i++) {
+ struct ice_sched_node *parent;
+
+ parent = ice_sched_get_free_vsi_parent(hw, node->children[i],
+ num_nodes);
+ if (parent)
+ return parent;
}
- return status;
+ return NULL;
}
/**
- * ice_rm_agg_cfg_tc - remove agg configuration for tc
- * @pi: port information structure
- * @agg_info: aggregator id
- * @tc: tc number
- * @rm_vsi_info: bool value true or false
+ * ice_sched_update_parent - update the new parent in SW DB
+ * @new_parent: pointer to a new parent node
+ * @node: pointer to a child node
*
- * This function removes agg reference to vsi of given tc. It removes the agg
- * configuration completely for requested tc. The caller needs to hold the
- * scheduler lock.
+ * This function removes the child from the old parent and adds it to a new
+ * parent
*/
-static enum ice_status
-ice_rm_agg_cfg_tc(struct ice_port_info *pi, struct ice_sched_agg_info *agg_info,
- u8 tc, bool rm_vsi_info)
+static void
+ice_sched_update_parent(struct ice_sched_node *new_parent,
+ struct ice_sched_node *node)
{
- enum ice_status status = ICE_SUCCESS;
-
- /* If nothing to remove - return success */
- if (!ice_is_tc_ena(agg_info->tc_bitmap[0], tc))
- goto exit_rm_agg_cfg_tc;
+ struct ice_sched_node *old_parent;
+ u8 i, j;
- status = ice_move_all_vsi_to_dflt_agg(pi, agg_info, tc, rm_vsi_info);
- if (status)
- goto exit_rm_agg_cfg_tc;
+ old_parent = node->parent;
- /* Delete aggregator node(s) */
- status = ice_sched_rm_agg_cfg(pi, agg_info->agg_id, tc);
- if (status)
- goto exit_rm_agg_cfg_tc;
+ /* update the old parent children */
+ for (i = 0; i < old_parent->num_children; i++)
+ if (old_parent->children[i] == node) {
+ for (j = i + 1; j < old_parent->num_children; j++)
+ old_parent->children[j - 1] =
+ old_parent->children[j];
+ old_parent->num_children--;
+ break;
+ }
- ice_clear_bit(tc, agg_info->tc_bitmap);
-exit_rm_agg_cfg_tc:
- return status;
+ /* now move the node to a new parent */
+ new_parent->children[new_parent->num_children++] = node;
+ node->parent = new_parent;
+ node->info.parent_teid = new_parent->info.node_teid;
}
/**
- * ice_save_agg_tc_bitmap - save agg TC bitmap
+ * ice_sched_move_nodes - move child nodes to a given parent
* @pi: port information structure
- * @agg_id: aggregator id
- * @tc_bitmap: 8 bits TC bitmap
+ * @parent: pointer to parent node
+ * @num_items: number of child nodes to be moved
+ * @list: pointer to child node teids
*
- * Save agg TC bitmap. This function needs to be called with scheduler
- * lock held.
+ * This function move the child nodes to a given parent.
*/
static enum ice_status
-ice_save_agg_tc_bitmap(struct ice_port_info *pi, u32 agg_id,
- ice_bitmap_t *tc_bitmap)
+ice_sched_move_nodes(struct ice_port_info *pi, struct ice_sched_node *parent,
+ u16 num_items, u32 *list)
{
- struct ice_sched_agg_info *agg_info;
+ struct ice_aqc_move_elem *buf;
+ struct ice_sched_node *node;
+ enum ice_status status = ICE_SUCCESS;
+ struct ice_hw *hw;
+ u16 grps_movd = 0;
+ u8 i;
- agg_info = ice_get_agg_info(pi->hw, agg_id);
- if (!agg_info)
+ hw = pi->hw;
+
+ if (!parent || !num_items)
return ICE_ERR_PARAM;
- ice_cp_bitmap(agg_info->replay_tc_bitmap, tc_bitmap,
- ICE_MAX_TRAFFIC_CLASS);
- return ICE_SUCCESS;
+
+ /* Does parent have enough space */
+ if (parent->num_children + num_items >=
+ hw->max_children[parent->tx_sched_layer])
+ return ICE_ERR_AQ_FULL;
+
+ buf = (struct ice_aqc_move_elem *)ice_malloc(hw, sizeof(*buf));
+ if (!buf)
+ return ICE_ERR_NO_MEMORY;
+
+ for (i = 0; i < num_items; i++) {
+ node = ice_sched_find_node_by_teid(pi->root, list[i]);
+ if (!node) {
+ status = ICE_ERR_PARAM;
+ goto move_err_exit;
+ }
+
+ buf->hdr.src_parent_teid = node->info.parent_teid;
+ buf->hdr.dest_parent_teid = parent->info.node_teid;
+ buf->teid[0] = node->info.node_teid;
+ buf->hdr.num_elems = CPU_TO_LE16(1);
+ status = ice_aq_move_sched_elems(hw, 1, buf, sizeof(*buf),
+ &grps_movd, NULL);
+ if (status && grps_movd != 1) {
+ status = ICE_ERR_CFG;
+ goto move_err_exit;
+ }
+
+ /* update the SW DB */
+ ice_sched_update_parent(parent, node);
+ }
+
+move_err_exit:
+ ice_free(hw, buf);
+ return status;
}
/**
- * ice_sched_cfg_agg - configure agg node
+ * ice_sched_move_vsi_to_agg - move VSI to aggregator node
* @pi: port information structure
- * @agg_id: aggregator id
- * @agg_type: aggregator type queue, VSI, or agg group
- * @tc_bitmap: bits TC bitmap
+ * @vsi_handle: software VSI handle
+ * @agg_id: aggregator ID
+ * @tc: TC number
*
- * It registers a unique aggregator node into scheduler services. It
- * allows a user to register with a unique ID to track it's resources.
- * The aggregator type determines if this is a queue group, VSI group
- * or aggregator group. It then creates the agg node(s) for requested
- * tc(s) or removes an existing agg node including its configuration
- * if indicated via tc_bitmap. Call ice_rm_agg_cfg to release agg
- * resources and remove agg id.
- * This function needs to be called with scheduler lock held.
+ * This function moves a VSI to an aggregator node or its subtree.
+ * Intermediate nodes may be created if required.
*/
static enum ice_status
-ice_sched_cfg_agg(struct ice_port_info *pi, u32 agg_id,
- enum ice_agg_type agg_type, ice_bitmap_t *tc_bitmap)
+ice_sched_move_vsi_to_agg(struct ice_port_info *pi, u16 vsi_handle, u32 agg_id,
+ u8 tc)
{
- struct ice_sched_agg_info *agg_info;
- enum ice_status status = ICE_SUCCESS;
- struct ice_hw *hw = pi->hw;
- u8 tc;
+ struct ice_sched_node *vsi_node, *agg_node, *tc_node, *parent;
+ u16 num_nodes[ICE_AQC_TOPO_MAX_LEVEL_NUM] = { 0 };
+ u32 first_node_teid, vsi_teid;
+ enum ice_status status;
+ u16 num_nodes_added;
+ u8 aggl, vsil, i;
- agg_info = ice_get_agg_info(hw, agg_id);
- if (!agg_info) {
- /* Creat new entry for new agg id */
- agg_info = (struct ice_sched_agg_info *)
- ice_malloc(hw, sizeof(*agg_info));
- if (!agg_info) {
- status = ICE_ERR_NO_MEMORY;
- goto exit_reg_agg;
- }
- agg_info->agg_id = agg_id;
- agg_info->agg_type = agg_type;
- agg_info->tc_bitmap[0] = 0;
+ tc_node = ice_sched_get_tc_node(pi, tc);
+ if (!tc_node)
+ return ICE_ERR_CFG;
- /* Initialize the aggregator vsi list head */
- INIT_LIST_HEAD(&agg_info->agg_vsi_list);
+ agg_node = ice_sched_get_agg_node(pi->hw, tc_node, agg_id);
+ if (!agg_node)
+ return ICE_ERR_DOES_NOT_EXIST;
- /* Add new entry in agg list */
- LIST_ADD(&agg_info->list_entry, &hw->agg_list);
+ vsi_node = ice_sched_get_vsi_node(pi->hw, tc_node, vsi_handle);
+ if (!vsi_node)
+ return ICE_ERR_DOES_NOT_EXIST;
+
+ aggl = ice_sched_get_agg_layer(pi->hw);
+ vsil = ice_sched_get_vsi_layer(pi->hw);
+
+ /* set intermediate node count to 1 between aggregator and VSI layers */
+ for (i = aggl + 1; i < vsil; i++)
+ num_nodes[i] = 1;
+
+ /* Check if the aggregator subtree has any free node to add the VSI */
+ for (i = 0; i < agg_node->num_children; i++) {
+ parent = ice_sched_get_free_vsi_parent(pi->hw,
+ agg_node->children[i],
+ num_nodes);
+ if (parent)
+ goto move_nodes;
}
- /* Create agg node(s) for requested tc(s) */
- for (tc = 0; tc < ICE_MAX_TRAFFIC_CLASS; tc++) {
- if (!ice_is_tc_ena(*tc_bitmap, tc)) {
- /* Delete agg cfg tc if it exists previously */
- status = ice_rm_agg_cfg_tc(pi, agg_info, tc, false);
- if (status)
- break;
- continue;
- }
- /* Check if agg node for tc already exists */
- if (ice_is_tc_ena(agg_info->tc_bitmap[0], tc))
+ /* add new nodes */
+ parent = agg_node;
+ for (i = aggl + 1; i < vsil; i++) {
+ status = ice_sched_add_nodes_to_layer(pi, tc_node, parent, i,
+ num_nodes[i],
+ &first_node_teid,
+ &num_nodes_added);
+ if (status != ICE_SUCCESS || num_nodes[i] != num_nodes_added)
+ return ICE_ERR_CFG;
+
+ /* The newly added node can be a new parent for the next
+ * layer nodes
+ */
+ if (num_nodes_added)
+ parent = ice_sched_find_node_by_teid(tc_node,
+ first_node_teid);
+ else
+ parent = parent->children[0];
+
+ if (!parent)
+ return ICE_ERR_CFG;
+ }
+
+move_nodes:
+ vsi_teid = LE32_TO_CPU(vsi_node->info.node_teid);
+ return ice_sched_move_nodes(pi, parent, 1, &vsi_teid);
+}
+
+/**
+ * ice_move_all_vsi_to_dflt_agg - move all VSI(s) to default aggregator
+ * @pi: port information structure
+ * @agg_info: aggregator info
+ * @tc: traffic class number
+ * @rm_vsi_info: true or false
+ *
+ * This function move all the VSI(s) to the default aggregator and delete
+ * aggregator VSI info based on passed in boolean parameter rm_vsi_info. The
+ * caller holds the scheduler lock.
+ */
+static enum ice_status
+ice_move_all_vsi_to_dflt_agg(struct ice_port_info *pi,
+ struct ice_sched_agg_info *agg_info, u8 tc,
+ bool rm_vsi_info)
+{
+ struct ice_sched_agg_vsi_info *agg_vsi_info;
+ struct ice_sched_agg_vsi_info *tmp;
+ enum ice_status status = ICE_SUCCESS;
+
+ LIST_FOR_EACH_ENTRY_SAFE(agg_vsi_info, tmp, &agg_info->agg_vsi_list,
+ ice_sched_agg_vsi_info, list_entry) {
+ u16 vsi_handle = agg_vsi_info->vsi_handle;
+
+ /* Move VSI to default aggregator */
+ if (!ice_is_tc_ena(agg_vsi_info->tc_bitmap[0], tc))
continue;
- /* Create new agg node for tc */
- status = ice_sched_add_agg_cfg(pi, agg_id, tc);
+ status = ice_sched_move_vsi_to_agg(pi, vsi_handle,
+ ICE_DFLT_AGG_ID, tc);
if (status)
break;
- /* Save agg node's tc information */
- ice_set_bit(tc, agg_info->tc_bitmap);
+ ice_clear_bit(tc, agg_vsi_info->tc_bitmap);
+ if (rm_vsi_info && !agg_vsi_info->tc_bitmap[0]) {
+ LIST_DEL(&agg_vsi_info->list_entry);
+ ice_free(pi->hw, agg_vsi_info);
+ }
}
-exit_reg_agg:
+
return status;
}
/**
- * ice_cfg_agg - config agg node
+ * ice_sched_is_agg_inuse - check whether the aggregator is in use or not
* @pi: port information structure
- * @agg_id: aggregator id
- * @agg_type: aggregator type queue, VSI, or agg group
- * @tc_bitmap: bits TC bitmap
+ * @node: node pointer
*
- * This function configures aggregator node(s).
+ * This function checks whether the aggregator is attached with any VSI or not.
*/
-enum ice_status
-ice_cfg_agg(struct ice_port_info *pi, u32 agg_id, enum ice_agg_type agg_type,
- u8 tc_bitmap)
+static bool
+ice_sched_is_agg_inuse(struct ice_port_info *pi, struct ice_sched_node *node)
{
- ice_bitmap_t bitmap = tc_bitmap;
- enum ice_status status;
+ u8 vsil, i;
- ice_acquire_lock(&pi->sched_lock);
- status = ice_sched_cfg_agg(pi, agg_id, agg_type,
- (ice_bitmap_t *)&bitmap);
- if (!status)
- status = ice_save_agg_tc_bitmap(pi, agg_id,
- (ice_bitmap_t *)&bitmap);
- ice_release_lock(&pi->sched_lock);
- return status;
+ vsil = ice_sched_get_vsi_layer(pi->hw);
+ if (node->tx_sched_layer < vsil - 1) {
+ for (i = 0; i < node->num_children; i++)
+ if (ice_sched_is_agg_inuse(pi, node->children[i]))
+ return true;
+ return false;
+ } else {
+ return node->num_children ? true : false;
+ }
}
/**
- * ice_get_agg_vsi_info - get the agg id
- * @agg_info: aggregator info
- * @vsi_handle: software VSI handle
+ * ice_sched_rm_agg_cfg - remove the aggregator node
+ * @pi: port information structure
+ * @agg_id: aggregator ID
+ * @tc: TC number
*
- * The function returns agg VSI info based on VSI handle. This function needs
- * to be called with scheduler lock held.
+ * This function removes the aggregator node and intermediate nodes if any
+ * from the given TC
*/
-static struct ice_sched_agg_vsi_info*
-ice_get_agg_vsi_info(struct ice_sched_agg_info *agg_info, u16 vsi_handle)
+static enum ice_status
+ice_sched_rm_agg_cfg(struct ice_port_info *pi, u32 agg_id, u8 tc)
{
- struct ice_sched_agg_vsi_info *agg_vsi_info;
+ struct ice_sched_node *tc_node, *agg_node;
+ struct ice_hw *hw = pi->hw;
- LIST_FOR_EACH_ENTRY(agg_vsi_info, &agg_info->agg_vsi_list,
- ice_sched_agg_vsi_info, list_entry)
- if (agg_vsi_info->vsi_handle == vsi_handle)
- return agg_vsi_info;
+ tc_node = ice_sched_get_tc_node(pi, tc);
+ if (!tc_node)
+ return ICE_ERR_CFG;
- return NULL;
+ agg_node = ice_sched_get_agg_node(hw, tc_node, agg_id);
+ if (!agg_node)
+ return ICE_ERR_DOES_NOT_EXIST;
+
+ /* Can't remove the aggregator node if it has children */
+ if (ice_sched_is_agg_inuse(pi, agg_node))
+ return ICE_ERR_IN_USE;
+
+ /* need to remove the whole subtree if aggregator node is the
+ * only child.
+ */
+ while (agg_node->tx_sched_layer > hw->sw_entry_point_layer) {
+ struct ice_sched_node *parent = agg_node->parent;
+
+ if (!parent)
+ return ICE_ERR_CFG;
+
+ if (parent->num_children > 1)
+ break;
+
+ agg_node = parent;
+ }
+
+ ice_free_sched_node(pi, agg_node);
+ return ICE_SUCCESS;
}
/**
- * ice_get_vsi_agg_info - get the agg info of VSI
- * @hw: pointer to the hardware structure
- * @vsi_handle: Sw VSI handle
+ * ice_rm_agg_cfg_tc - remove aggregator configuration for TC
+ * @pi: port information structure
+ * @agg_info: aggregator ID
+ * @tc: TC number
+ * @rm_vsi_info: bool value true or false
*
- * The function returns agg info of VSI represented via vsi_handle. The VSI has
- * in this case a different aggregator than the default one. This function
- * needs to be called with scheduler lock held.
+ * This function removes aggregator reference to VSI of given TC. It removes
+ * the aggregator configuration completely for requested TC. The caller needs
+ * to hold the scheduler lock.
*/
-static struct ice_sched_agg_info*
-ice_get_vsi_agg_info(struct ice_hw *hw, u16 vsi_handle)
+static enum ice_status
+ice_rm_agg_cfg_tc(struct ice_port_info *pi, struct ice_sched_agg_info *agg_info,
+ u8 tc, bool rm_vsi_info)
{
- struct ice_sched_agg_info *agg_info;
+ enum ice_status status = ICE_SUCCESS;
- LIST_FOR_EACH_ENTRY(agg_info, &hw->agg_list, ice_sched_agg_info,
- list_entry) {
- struct ice_sched_agg_vsi_info *agg_vsi_info;
+ /* If nothing to remove - return success */
+ if (!ice_is_tc_ena(agg_info->tc_bitmap[0], tc))
+ goto exit_rm_agg_cfg_tc;
- agg_vsi_info = ice_get_agg_vsi_info(agg_info, vsi_handle);
- if (agg_vsi_info)
- return agg_info;
- }
- return NULL;
+ status = ice_move_all_vsi_to_dflt_agg(pi, agg_info, tc, rm_vsi_info);
+ if (status)
+ goto exit_rm_agg_cfg_tc;
+
+ /* Delete aggregator node(s) */
+ status = ice_sched_rm_agg_cfg(pi, agg_info->agg_id, tc);
+ if (status)
+ goto exit_rm_agg_cfg_tc;
+
+ ice_clear_bit(tc, agg_info->tc_bitmap);
+exit_rm_agg_cfg_tc:
+ return status;
}
/**
- * ice_save_agg_vsi_tc_bitmap - save aggregator VSI TC bitmap
+ * ice_save_agg_tc_bitmap - save aggregator TC bitmap
* @pi: port information structure
- * @agg_id: aggregator id
- * @vsi_handle: software VSI handle
- * @tc_bitmap: TC bitmap of enabled tc(s)
+ * @agg_id: aggregator ID
+ * @tc_bitmap: 8 bits TC bitmap
*
- * Save VSI to aggregator TC bitmap. This function needs to call with scheduler
+ * Save aggregator TC bitmap. This function needs to be called with scheduler
* lock held.
*/
static enum ice_status
-ice_save_agg_vsi_tc_bitmap(struct ice_port_info *pi, u32 agg_id, u16 vsi_handle,
- ice_bitmap_t *tc_bitmap)
+ice_save_agg_tc_bitmap(struct ice_port_info *pi, u32 agg_id,
+ ice_bitmap_t *tc_bitmap)
{
- struct ice_sched_agg_vsi_info *agg_vsi_info;
struct ice_sched_agg_info *agg_info;
agg_info = ice_get_agg_info(pi->hw, agg_id);
if (!agg_info)
return ICE_ERR_PARAM;
- /* check if entry already exist */
- agg_vsi_info = ice_get_agg_vsi_info(agg_info, vsi_handle);
- if (!agg_vsi_info)
- return ICE_ERR_PARAM;
- ice_cp_bitmap(agg_vsi_info->replay_tc_bitmap, tc_bitmap,
+ ice_cp_bitmap(agg_info->replay_tc_bitmap, tc_bitmap,
ICE_MAX_TRAFFIC_CLASS);
return ICE_SUCCESS;
}
/**
- * ice_sched_assoc_vsi_to_agg - associate or move VSI to new or default agg
+ * ice_sched_add_agg_cfg - create an aggregator node
* @pi: port information structure
- * @agg_id: aggregator id
- * @vsi_handle: software VSI handle
- * @tc_bitmap: TC bitmap of enabled tc(s)
+ * @agg_id: aggregator ID
+ * @tc: TC number
*
- * This function moves VSI to a new or default aggregator node. If VSI is
- * already associated to the agg node then no operation is performed on the
- * tree. This function needs to be called with scheduler lock held.
+ * This function creates an aggregator node and intermediate nodes if required
+ * for the given TC
*/
static enum ice_status
-ice_sched_assoc_vsi_to_agg(struct ice_port_info *pi, u32 agg_id,
- u16 vsi_handle, ice_bitmap_t *tc_bitmap)
+ice_sched_add_agg_cfg(struct ice_port_info *pi, u32 agg_id, u8 tc)
+{
+ struct ice_sched_node *parent, *agg_node, *tc_node;
+ u16 num_nodes[ICE_AQC_TOPO_MAX_LEVEL_NUM] = { 0 };
+ enum ice_status status = ICE_SUCCESS;
+ struct ice_hw *hw = pi->hw;
+ u32 first_node_teid;
+ u16 num_nodes_added;
+ u8 i, aggl;
+
+ tc_node = ice_sched_get_tc_node(pi, tc);
+ if (!tc_node)
+ return ICE_ERR_CFG;
+
+ agg_node = ice_sched_get_agg_node(hw, tc_node, agg_id);
+ /* Does Agg node already exist ? */
+ if (agg_node)
+ return status;
+
+ aggl = ice_sched_get_agg_layer(hw);
+
+ /* need one node in Agg layer */
+ num_nodes[aggl] = 1;
+
+ /* Check whether the intermediate nodes have space to add the
+ * new aggregator. If they are full, then SW needs to allocate a new
+ * intermediate node on those layers
+ */
+ for (i = hw->sw_entry_point_layer; i < aggl; i++) {
+ parent = ice_sched_get_first_node(hw, tc_node, i);
+
+ /* scan all the siblings */
+ while (parent) {
+ if (parent->num_children < hw->max_children[i])
+ break;
+ parent = parent->sibling;
+ }
+
+ /* all the nodes are full, reserve one for this layer */
+ if (!parent)
+ num_nodes[i]++;
+ }
+
+ /* add the aggregator node */
+ parent = tc_node;
+ for (i = hw->sw_entry_point_layer; i <= aggl; i++) {
+ if (!parent)
+ return ICE_ERR_CFG;
+
+ status = ice_sched_add_nodes_to_layer(pi, tc_node, parent, i,
+ num_nodes[i],
+ &first_node_teid,
+ &num_nodes_added);
+ if (status != ICE_SUCCESS || num_nodes[i] != num_nodes_added)
+ return ICE_ERR_CFG;
+
+ /* The newly added node can be a new parent for the next
+ * layer nodes
+ */
+ if (num_nodes_added) {
+ parent = ice_sched_find_node_by_teid(tc_node,
+ first_node_teid);
+ /* register aggregator ID with the aggregator node */
+ if (parent && i == aggl)
+ parent->agg_id = agg_id;
+ } else {
+ parent = parent->children[0];
+ }
+ }
+
+ return ICE_SUCCESS;
+}
+
+/**
+ * ice_sched_cfg_agg - configure aggregator node
+ * @pi: port information structure
+ * @agg_id: aggregator ID
+ * @agg_type: aggregator type queue, VSI, or aggregator group
+ * @tc_bitmap: bits TC bitmap
+ *
+ * It registers a unique aggregator node into scheduler services. It
+ * allows a user to register with a unique ID to track it's resources.
+ * The aggregator type determines if this is a queue group, VSI group
+ * or aggregator group. It then creates the aggregator node(s) for requested
+ * TC(s) or removes an existing aggregator node including its configuration
+ * if indicated via tc_bitmap. Call ice_rm_agg_cfg to release aggregator
+ * resources and remove aggregator ID.
+ * This function needs to be called with scheduler lock held.
+ */
+static enum ice_status
+ice_sched_cfg_agg(struct ice_port_info *pi, u32 agg_id,
+ enum ice_agg_type agg_type, ice_bitmap_t *tc_bitmap)
{
- struct ice_sched_agg_vsi_info *agg_vsi_info;
struct ice_sched_agg_info *agg_info;
enum ice_status status = ICE_SUCCESS;
struct ice_hw *hw = pi->hw;
u8 tc;
- if (!ice_is_vsi_valid(pi->hw, vsi_handle))
- return ICE_ERR_PARAM;
agg_info = ice_get_agg_info(hw, agg_id);
- if (!agg_info)
- return ICE_ERR_PARAM;
- /* check if entry already exist */
- agg_vsi_info = ice_get_agg_vsi_info(agg_info, vsi_handle);
- if (!agg_vsi_info) {
- /* Create new entry for vsi under agg list */
- agg_vsi_info = (struct ice_sched_agg_vsi_info *)
- ice_malloc(hw, sizeof(*agg_vsi_info));
- if (!agg_vsi_info)
- return ICE_ERR_PARAM;
+ if (!agg_info) {
+ /* Create new entry for new aggregator ID */
+ agg_info = (struct ice_sched_agg_info *)
+ ice_malloc(hw, sizeof(*agg_info));
+ if (!agg_info) {
+ status = ICE_ERR_NO_MEMORY;
+ goto exit_reg_agg;
+ }
+ agg_info->agg_id = agg_id;
+ agg_info->agg_type = agg_type;
+ agg_info->tc_bitmap[0] = 0;
- /* add vsi id into the agg list */
- agg_vsi_info->vsi_handle = vsi_handle;
- LIST_ADD(&agg_vsi_info->list_entry, &agg_info->agg_vsi_list);
+ /* Initialize the aggregator VSI list head */
+ INIT_LIST_HEAD(&agg_info->agg_vsi_list);
+
+ /* Add new entry in aggregator list */
+ LIST_ADD(&agg_info->list_entry, &hw->agg_list);
}
- /* Move vsi node to new agg node for requested tc(s) */
- for (tc = 0; tc < ICE_MAX_TRAFFIC_CLASS; tc++) {
- if (!ice_is_tc_ena(*tc_bitmap, tc))
+ /* Create aggregator node(s) for requested TC(s) */
+ ice_for_each_traffic_class(tc) {
+ if (!ice_is_tc_ena(*tc_bitmap, tc)) {
+ /* Delete aggregator cfg TC if it exists previously */
+ status = ice_rm_agg_cfg_tc(pi, agg_info, tc, false);
+ if (status)
+ break;
+ continue;
+ }
+
+ /* Check if aggregator node for TC already exists */
+ if (ice_is_tc_ena(agg_info->tc_bitmap[0], tc))
continue;
- /* Move VSI to new agg */
- status = ice_sched_move_vsi_to_agg(pi, vsi_handle, agg_id, tc);
+ /* Create new aggregator node for TC */
+ status = ice_sched_add_agg_cfg(pi, agg_id, tc);
if (status)
break;
- if (agg_id != ICE_DFLT_AGG_ID)
- ice_set_bit(tc, agg_vsi_info->tc_bitmap);
- else
- ice_clear_bit(tc, agg_vsi_info->tc_bitmap);
- }
- /* If vsi moved back to default agg then delete entry agg_vsi_info. */
- if (!ice_is_any_bit_set(agg_vsi_info->tc_bitmap,
- ICE_MAX_TRAFFIC_CLASS)) {
- LIST_DEL(&agg_vsi_info->list_entry);
- ice_free(hw, agg_vsi_info);
+ /* Save aggregator node's TC information */
+ ice_set_bit(tc, agg_info->tc_bitmap);
}
+exit_reg_agg:
return status;
}
/**
- * ice_move_vsi_to_agg - moves VSI to new or default agg
+ * ice_cfg_agg - config aggregator node
* @pi: port information structure
- * @agg_id: aggregator id
- * @vsi_handle: software VSI handle
- * @tc_bitmap: tc bitmap of enabled tc(s)
+ * @agg_id: aggregator ID
+ * @agg_type: aggregator type queue, VSI, or aggregator group
+ * @tc_bitmap: bits TC bitmap
*
- * Move or associate VSI to a new or default aggregator node.
+ * This function configures aggregator node(s).
*/
enum ice_status
-ice_move_vsi_to_agg(struct ice_port_info *pi, u32 agg_id, u16 vsi_handle,
- u8 tc_bitmap)
+ice_cfg_agg(struct ice_port_info *pi, u32 agg_id, enum ice_agg_type agg_type,
+ u8 tc_bitmap)
{
ice_bitmap_t bitmap = tc_bitmap;
enum ice_status status;
ice_acquire_lock(&pi->sched_lock);
- status = ice_sched_assoc_vsi_to_agg(pi, agg_id, vsi_handle,
- (ice_bitmap_t *)&bitmap);
+ status = ice_sched_cfg_agg(pi, agg_id, agg_type,
+ (ice_bitmap_t *)&bitmap);
if (!status)
- status = ice_save_agg_vsi_tc_bitmap(pi, agg_id, vsi_handle,
- (ice_bitmap_t *)&bitmap);
+ status = ice_save_agg_tc_bitmap(pi, agg_id,
+ (ice_bitmap_t *)&bitmap);
ice_release_lock(&pi->sched_lock);
return status;
}
/**
- * ice_rm_agg_cfg - remove agg configuration
- * @pi: port information structure
- * @agg_id: aggregator id
+ * ice_get_agg_vsi_info - get the aggregator ID
+ * @agg_info: aggregator info
+ * @vsi_handle: software VSI handle
*
- * This function removes agg reference to vsi and delete agg id info.
- * It removes the agg configuration completely.
+ * The function returns aggregator VSI info based on VSI handle. This function
+ * needs to be called with scheduler lock held.
*/
-enum ice_status ice_rm_agg_cfg(struct ice_port_info *pi, u32 agg_id)
+static struct ice_sched_agg_vsi_info*
+ice_get_agg_vsi_info(struct ice_sched_agg_info *agg_info, u16 vsi_handle)
{
- struct ice_sched_agg_info *agg_info;
- enum ice_status status = ICE_SUCCESS;
- u8 tc;
-
- ice_acquire_lock(&pi->sched_lock);
- agg_info = ice_get_agg_info(pi->hw, agg_id);
- if (!agg_info) {
- status = ICE_ERR_DOES_NOT_EXIST;
- goto exit_ice_rm_agg_cfg;
- }
-
- for (tc = 0; tc < ICE_MAX_TRAFFIC_CLASS; tc++) {
- status = ice_rm_agg_cfg_tc(pi, agg_info, tc, true);
- if (status)
- goto exit_ice_rm_agg_cfg;
- }
-
- if (ice_is_any_bit_set(agg_info->tc_bitmap, ICE_MAX_TRAFFIC_CLASS)) {
- status = ICE_ERR_IN_USE;
- goto exit_ice_rm_agg_cfg;
- }
-
- /* Safe to delete entry now */
- LIST_DEL(&agg_info->list_entry);
- ice_free(pi->hw, agg_info);
+ struct ice_sched_agg_vsi_info *agg_vsi_info;
- /* Remove unused rl profile ids from HW and SW DB */
- ice_sched_rm_unused_rl_prof(pi);
+ LIST_FOR_EACH_ENTRY(agg_vsi_info, &agg_info->agg_vsi_list,
+ ice_sched_agg_vsi_info, list_entry)
+ if (agg_vsi_info->vsi_handle == vsi_handle)
+ return agg_vsi_info;
-exit_ice_rm_agg_cfg:
- ice_release_lock(&pi->sched_lock);
- return status;
+ return NULL;
}
/**
- * ice_set_clear_cir_bw_alloc - set or clear CIR bw alloc information
- * @bw_t_info: bandwidth type information structure
- * @bw_alloc: Bandwidth allocation information
+ * ice_get_vsi_agg_info - get the aggregator info of VSI
+ * @hw: pointer to the hardware structure
+ * @vsi_handle: Sw VSI handle
*
- * Save or clear CIR bw alloc information (bw_alloc) in the passed param
- * bw_t_info.
+ * The function returns aggregator info of VSI represented via vsi_handle. The
+ * VSI has in this case a different aggregator than the default one. This
+ * function needs to be called with scheduler lock held.
*/
-static void
-ice_set_clear_cir_bw_alloc(struct ice_bw_type_info *bw_t_info, u16 bw_alloc)
+static struct ice_sched_agg_info*
+ice_get_vsi_agg_info(struct ice_hw *hw, u16 vsi_handle)
{
- bw_t_info->cir_bw.bw_alloc = bw_alloc;
- if (bw_t_info->cir_bw.bw_alloc)
- ice_set_bit(ICE_BW_TYPE_CIR_WT, bw_t_info->bw_t_bitmap);
- else
- ice_clear_bit(ICE_BW_TYPE_CIR_WT, bw_t_info->bw_t_bitmap);
+ struct ice_sched_agg_info *agg_info;
+
+ LIST_FOR_EACH_ENTRY(agg_info, &hw->agg_list, ice_sched_agg_info,
+ list_entry) {
+ struct ice_sched_agg_vsi_info *agg_vsi_info;
+
+ agg_vsi_info = ice_get_agg_vsi_info(agg_info, vsi_handle);
+ if (agg_vsi_info)
+ return agg_info;
+ }
+ return NULL;
}
/**
- * ice_set_clear_eir_bw_alloc - set or clear EIR bw alloc information
- * @bw_t_info: bandwidth type information structure
- * @bw_alloc: Bandwidth allocation information
+ * ice_save_agg_vsi_tc_bitmap - save aggregator VSI TC bitmap
+ * @pi: port information structure
+ * @agg_id: aggregator ID
+ * @vsi_handle: software VSI handle
+ * @tc_bitmap: TC bitmap of enabled TC(s)
*
- * Save or clear EIR bw alloc information (bw_alloc) in the passed param
- * bw_t_info.
+ * Save VSI to aggregator TC bitmap. This function needs to call with scheduler
+ * lock held.
*/
-static void
-ice_set_clear_eir_bw_alloc(struct ice_bw_type_info *bw_t_info, u16 bw_alloc)
+static enum ice_status
+ice_save_agg_vsi_tc_bitmap(struct ice_port_info *pi, u32 agg_id, u16 vsi_handle,
+ ice_bitmap_t *tc_bitmap)
{
- bw_t_info->eir_bw.bw_alloc = bw_alloc;
- if (bw_t_info->eir_bw.bw_alloc)
- ice_set_bit(ICE_BW_TYPE_EIR_WT, bw_t_info->bw_t_bitmap);
- else
- ice_clear_bit(ICE_BW_TYPE_EIR_WT, bw_t_info->bw_t_bitmap);
+ struct ice_sched_agg_vsi_info *agg_vsi_info;
+ struct ice_sched_agg_info *agg_info;
+
+ agg_info = ice_get_agg_info(pi->hw, agg_id);
+ if (!agg_info)
+ return ICE_ERR_PARAM;
+ /* check if entry already exist */
+ agg_vsi_info = ice_get_agg_vsi_info(agg_info, vsi_handle);
+ if (!agg_vsi_info)
+ return ICE_ERR_PARAM;
+ ice_cp_bitmap(agg_vsi_info->replay_tc_bitmap, tc_bitmap,
+ ICE_MAX_TRAFFIC_CLASS);
+ return ICE_SUCCESS;
}
/**
- * ice_sched_save_vsi_bw_alloc - save VSI node's bw alloc information
+ * ice_sched_assoc_vsi_to_agg - associate/move VSI to new/default aggregator
* @pi: port information structure
- * @vsi_handle: sw VSI handle
- * @tc: traffic class
- * @rl_type: rate limit type min or max
- * @bw_alloc: Bandwidth allocation information
+ * @agg_id: aggregator ID
+ * @vsi_handle: software VSI handle
+ * @tc_bitmap: TC bitmap of enabled TC(s)
*
- * Save bw alloc information of VSI type node for post replay use.
+ * This function moves VSI to a new or default aggregator node. If VSI is
+ * already associated to the aggregator node then no operation is performed on
+ * the tree. This function needs to be called with scheduler lock held.
+ */
+static enum ice_status
+ice_sched_assoc_vsi_to_agg(struct ice_port_info *pi, u32 agg_id,
+ u16 vsi_handle, ice_bitmap_t *tc_bitmap)
+{
+ struct ice_sched_agg_vsi_info *agg_vsi_info;
+ struct ice_sched_agg_info *agg_info;
+ enum ice_status status = ICE_SUCCESS;
+ struct ice_hw *hw = pi->hw;
+ u8 tc;
+
+ if (!ice_is_vsi_valid(pi->hw, vsi_handle))
+ return ICE_ERR_PARAM;
+ agg_info = ice_get_agg_info(hw, agg_id);
+ if (!agg_info)
+ return ICE_ERR_PARAM;
+ /* check if entry already exist */
+ agg_vsi_info = ice_get_agg_vsi_info(agg_info, vsi_handle);
+ if (!agg_vsi_info) {
+ /* Create new entry for VSI under aggregator list */
+ agg_vsi_info = (struct ice_sched_agg_vsi_info *)
+ ice_malloc(hw, sizeof(*agg_vsi_info));
+ if (!agg_vsi_info)
+ return ICE_ERR_PARAM;
+
+ /* add VSI ID into the aggregator list */
+ agg_vsi_info->vsi_handle = vsi_handle;
+ LIST_ADD(&agg_vsi_info->list_entry, &agg_info->agg_vsi_list);
+ }
+ /* Move VSI node to new aggregator node for requested TC(s) */
+ ice_for_each_traffic_class(tc) {
+ if (!ice_is_tc_ena(*tc_bitmap, tc))
+ continue;
+
+ /* Move VSI to new aggregator */
+ status = ice_sched_move_vsi_to_agg(pi, vsi_handle, agg_id, tc);
+ if (status)
+ break;
+
+ if (agg_id != ICE_DFLT_AGG_ID)
+ ice_set_bit(tc, agg_vsi_info->tc_bitmap);
+ else
+ ice_clear_bit(tc, agg_vsi_info->tc_bitmap);
+ }
+ /* If VSI moved back to default aggregator, delete agg_vsi_info. */
+ if (!ice_is_any_bit_set(agg_vsi_info->tc_bitmap,
+ ICE_MAX_TRAFFIC_CLASS)) {
+ LIST_DEL(&agg_vsi_info->list_entry);
+ ice_free(hw, agg_vsi_info);
+ }
+ return status;
+}
+
+/**
+ * ice_sched_rm_unused_rl_prof - remove unused RL profile
+ * @pi: port information structure
+ *
+ * This function removes unused rate limit profiles from the HW and
+ * SW DB. The caller needs to hold scheduler lock.
+ */
+static void ice_sched_rm_unused_rl_prof(struct ice_port_info *pi)
+{
+ u8 ln;
+
+ for (ln = 0; ln < pi->hw->num_tx_sched_layers; ln++) {
+ struct ice_aqc_rl_profile_info *rl_prof_elem;
+ struct ice_aqc_rl_profile_info *rl_prof_tmp;
+
+ LIST_FOR_EACH_ENTRY_SAFE(rl_prof_elem, rl_prof_tmp,
+ &pi->rl_prof_list[ln],
+ ice_aqc_rl_profile_info, list_entry) {
+ if (!ice_sched_del_rl_profile(pi->hw, rl_prof_elem))
+ ice_debug(pi->hw, ICE_DBG_SCHED,
+ "Removed rl profile\n");
+ }
+ }
+}
+
+/**
+ * ice_sched_update_elem - update element
+ * @hw: pointer to the HW struct
+ * @node: pointer to node
+ * @info: node info to update
+ *
+ * It updates the HW DB, and local SW DB of node. It updates the scheduling
+ * parameters of node from argument info data buffer (Info->data buf) and
+ * returns success or error on config sched element failure. The caller
+ * needs to hold scheduler lock.
+ */
+static enum ice_status
+ice_sched_update_elem(struct ice_hw *hw, struct ice_sched_node *node,
+ struct ice_aqc_txsched_elem_data *info)
+{
+ struct ice_aqc_conf_elem buf;
+ enum ice_status status;
+ u16 elem_cfgd = 0;
+ u16 num_elems = 1;
+
+ buf.generic[0] = *info;
+ /* Parent TEID is reserved field in this aq call */
+ buf.generic[0].parent_teid = 0;
+ /* Element type is reserved field in this aq call */
+ buf.generic[0].data.elem_type = 0;
+ /* Flags is reserved field in this aq call */
+ buf.generic[0].data.flags = 0;
+
+ /* Update HW DB */
+ /* Configure element node */
+ status = ice_aq_cfg_sched_elems(hw, num_elems, &buf, sizeof(buf),
+ &elem_cfgd, NULL);
+ if (status || elem_cfgd != num_elems) {
+ ice_debug(hw, ICE_DBG_SCHED, "Config sched elem error\n");
+ return ICE_ERR_CFG;
+ }
+
+ /* Config success case */
+ /* Now update local SW DB */
+ /* Only copy the data portion of info buffer */
+ node->info.data = info->data;
+ return status;
+}
+
+/**
+ * ice_sched_cfg_node_bw_alloc - configure node BW weight/alloc params
+ * @hw: pointer to the HW struct
+ * @node: sched node to configure
+ * @rl_type: rate limit type CIR, EIR, or shared
+ * @bw_alloc: BW weight/allocation
+ *
+ * This function configures node element's BW allocation.
+ */
+static enum ice_status
+ice_sched_cfg_node_bw_alloc(struct ice_hw *hw, struct ice_sched_node *node,
+ enum ice_rl_type rl_type, u8 bw_alloc)
+{
+ struct ice_aqc_txsched_elem_data buf;
+ struct ice_aqc_txsched_elem *data;
+ enum ice_status status;
+
+ buf = node->info;
+ data = &buf.data;
+ if (rl_type == ICE_MIN_BW) {
+ data->valid_sections |= ICE_AQC_ELEM_VALID_CIR;
+ data->cir_bw.bw_alloc = CPU_TO_LE16(bw_alloc);
+ } else if (rl_type == ICE_MAX_BW) {
+ data->valid_sections |= ICE_AQC_ELEM_VALID_EIR;
+ data->eir_bw.bw_alloc = CPU_TO_LE16(bw_alloc);
+ } else {
+ return ICE_ERR_PARAM;
+ }
+
+ /* Configure element */
+ status = ice_sched_update_elem(hw, node, &buf);
+ return status;
+}
+
+/**
+ * ice_move_vsi_to_agg - moves VSI to new or default aggregator
+ * @pi: port information structure
+ * @agg_id: aggregator ID
+ * @vsi_handle: software VSI handle
+ * @tc_bitmap: TC bitmap of enabled TC(s)
+ *
+ * Move or associate VSI to a new or default aggregator node.
+ */
+enum ice_status
+ice_move_vsi_to_agg(struct ice_port_info *pi, u32 agg_id, u16 vsi_handle,
+ u8 tc_bitmap)
+{
+ ice_bitmap_t bitmap = tc_bitmap;
+ enum ice_status status;
+
+ ice_acquire_lock(&pi->sched_lock);
+ status = ice_sched_assoc_vsi_to_agg(pi, agg_id, vsi_handle,
+ (ice_bitmap_t *)&bitmap);
+ if (!status)
+ status = ice_save_agg_vsi_tc_bitmap(pi, agg_id, vsi_handle,
+ (ice_bitmap_t *)&bitmap);
+ ice_release_lock(&pi->sched_lock);
+ return status;
+}
+
+/**
+ * ice_rm_agg_cfg - remove aggregator configuration
+ * @pi: port information structure
+ * @agg_id: aggregator ID
+ *
+ * This function removes aggregator reference to VSI and delete aggregator ID
+ * info. It removes the aggregator configuration completely.
+ */
+enum ice_status ice_rm_agg_cfg(struct ice_port_info *pi, u32 agg_id)
+{
+ struct ice_sched_agg_info *agg_info;
+ enum ice_status status = ICE_SUCCESS;
+ u8 tc;
+
+ ice_acquire_lock(&pi->sched_lock);
+ agg_info = ice_get_agg_info(pi->hw, agg_id);
+ if (!agg_info) {
+ status = ICE_ERR_DOES_NOT_EXIST;
+ goto exit_ice_rm_agg_cfg;
+ }
+
+ ice_for_each_traffic_class(tc) {
+ status = ice_rm_agg_cfg_tc(pi, agg_info, tc, true);
+ if (status)
+ goto exit_ice_rm_agg_cfg;
+ }
+
+ if (ice_is_any_bit_set(agg_info->tc_bitmap, ICE_MAX_TRAFFIC_CLASS)) {
+ status = ICE_ERR_IN_USE;
+ goto exit_ice_rm_agg_cfg;
+ }
+
+ /* Safe to delete entry now */
+ LIST_DEL(&agg_info->list_entry);
+ ice_free(pi->hw, agg_info);
+
+ /* Remove unused RL profile IDs from HW and SW DB */
+ ice_sched_rm_unused_rl_prof(pi);
+
+exit_ice_rm_agg_cfg:
+ ice_release_lock(&pi->sched_lock);
+ return status;
+}
+
+/**
+ * ice_set_clear_cir_bw_alloc - set or clear CIR BW alloc information
+ * @bw_t_info: bandwidth type information structure
+ * @bw_alloc: Bandwidth allocation information
+ *
+ * Save or clear CIR BW alloc information (bw_alloc) in the passed param
+ * bw_t_info.
+ */
+static void
+ice_set_clear_cir_bw_alloc(struct ice_bw_type_info *bw_t_info, u16 bw_alloc)
+{
+ bw_t_info->cir_bw.bw_alloc = bw_alloc;
+ if (bw_t_info->cir_bw.bw_alloc)
+ ice_set_bit(ICE_BW_TYPE_CIR_WT, bw_t_info->bw_t_bitmap);
+ else
+ ice_clear_bit(ICE_BW_TYPE_CIR_WT, bw_t_info->bw_t_bitmap);
+}
+
+/**
+ * ice_set_clear_eir_bw_alloc - set or clear EIR BW alloc information
+ * @bw_t_info: bandwidth type information structure
+ * @bw_alloc: Bandwidth allocation information
+ *
+ * Save or clear EIR BW alloc information (bw_alloc) in the passed param
+ * bw_t_info.
+ */
+static void
+ice_set_clear_eir_bw_alloc(struct ice_bw_type_info *bw_t_info, u16 bw_alloc)
+{
+ bw_t_info->eir_bw.bw_alloc = bw_alloc;
+ if (bw_t_info->eir_bw.bw_alloc)
+ ice_set_bit(ICE_BW_TYPE_EIR_WT, bw_t_info->bw_t_bitmap);
+ else
+ ice_clear_bit(ICE_BW_TYPE_EIR_WT, bw_t_info->bw_t_bitmap);
+}
+
+/**
+ * ice_sched_save_vsi_bw_alloc - save VSI node's BW alloc information
+ * @pi: port information structure
+ * @vsi_handle: sw VSI handle
+ * @tc: traffic class
+ * @rl_type: rate limit type min or max
+ * @bw_alloc: Bandwidth allocation information
+ *
+ * Save BW alloc information of VSI type node for post replay use.
*/
static enum ice_status
ice_sched_save_vsi_bw_alloc(struct ice_port_info *pi, u16 vsi_handle, u8 tc,
}
/**
- * ice_set_clear_cir_bw - set or clear CIR bw
+ * ice_set_clear_cir_bw - set or clear CIR BW
* @bw_t_info: bandwidth type information structure
* @bw: bandwidth in Kbps - Kilo bits per sec
*
- * Save or clear CIR bandwidth (bw) in the passed param bw_t_info.
+ * Save or clear CIR bandwidth (BW) in the passed param bw_t_info.
*/
static void
ice_set_clear_cir_bw(struct ice_bw_type_info *bw_t_info, u32 bw)
ice_clear_bit(ICE_BW_TYPE_CIR, bw_t_info->bw_t_bitmap);
bw_t_info->cir_bw.bw = 0;
} else {
- /* Save type of bw information */
+ /* Save type of BW information */
ice_set_bit(ICE_BW_TYPE_CIR, bw_t_info->bw_t_bitmap);
bw_t_info->cir_bw.bw = bw;
}
}
/**
- * ice_set_clear_eir_bw - set or clear EIR bw
+ * ice_set_clear_eir_bw - set or clear EIR BW
* @bw_t_info: bandwidth type information structure
* @bw: bandwidth in Kbps - Kilo bits per sec
*
- * Save or clear EIR bandwidth (bw) in the passed param bw_t_info.
+ * Save or clear EIR bandwidth (BW) in the passed param bw_t_info.
*/
static void
ice_set_clear_eir_bw(struct ice_bw_type_info *bw_t_info, u32 bw)
ice_clear_bit(ICE_BW_TYPE_EIR, bw_t_info->bw_t_bitmap);
bw_t_info->eir_bw.bw = 0;
} else {
- /* EIR bw and Shared bw profiles are mutually exclusive and
+ /* EIR BW and Shared BW profiles are mutually exclusive and
* hence only one of them may be set for any given element.
- * First clear earlier saved shared bw information.
+ * First clear earlier saved shared BW information.
*/
ice_clear_bit(ICE_BW_TYPE_SHARED, bw_t_info->bw_t_bitmap);
bw_t_info->shared_bw = 0;
- /* save EIR bw information */
+ /* save EIR BW information */
ice_set_bit(ICE_BW_TYPE_EIR, bw_t_info->bw_t_bitmap);
bw_t_info->eir_bw.bw = bw;
}
}
/**
- * ice_set_clear_shared_bw - set or clear shared bw
+ * ice_set_clear_shared_bw - set or clear shared BW
* @bw_t_info: bandwidth type information structure
* @bw: bandwidth in Kbps - Kilo bits per sec
*
- * Save or clear shared bandwidth (bw) in the passed param bw_t_info.
+ * Save or clear shared bandwidth (BW) in the passed param bw_t_info.
*/
static void
ice_set_clear_shared_bw(struct ice_bw_type_info *bw_t_info, u32 bw)
ice_clear_bit(ICE_BW_TYPE_SHARED, bw_t_info->bw_t_bitmap);
bw_t_info->shared_bw = 0;
} else {
- /* EIR bw and Shared bw profiles are mutually exclusive and
+ /* EIR BW and Shared BW profiles are mutually exclusive and
* hence only one of them may be set for any given element.
- * First clear earlier saved EIR bw information.
+ * First clear earlier saved EIR BW information.
*/
ice_clear_bit(ICE_BW_TYPE_EIR, bw_t_info->bw_t_bitmap);
bw_t_info->eir_bw.bw = 0;
- /* save shared bw information */
+ /* save shared BW information */
ice_set_bit(ICE_BW_TYPE_SHARED, bw_t_info->bw_t_bitmap);
bw_t_info->shared_bw = bw;
}
}
/**
- * ice_sched_save_vsi_bw - save VSI node's bw information
+ * ice_sched_save_vsi_bw - save VSI node's BW information
* @pi: port information structure
* @vsi_handle: sw VSI handle
* @tc: traffic class
* @rl_type: rate limit type min, max, or shared
* @bw: bandwidth in Kbps - Kilo bits per sec
*
- * Save bw information of VSI type node for post replay use.
+ * Save BW information of VSI type node for post replay use.
*/
static enum ice_status
ice_sched_save_vsi_bw(struct ice_port_info *pi, u16 vsi_handle, u8 tc,
}
/**
- * ice_sched_save_agg_bw_alloc - save agg node's bw alloc information
+ * ice_sched_save_agg_bw_alloc - save aggregator node's BW alloc information
* @pi: port information structure
- * @agg_id: node aggregator id
+ * @agg_id: node aggregator ID
* @tc: traffic class
* @rl_type: rate limit type min or max
* @bw_alloc: bandwidth alloc information
*
- * Save bw alloc information of AGG type node for post replay use.
+ * Save BW alloc information of AGG type node for post replay use.
*/
static enum ice_status
ice_sched_save_agg_bw_alloc(struct ice_port_info *pi, u32 agg_id, u8 tc,
}
/**
- * ice_sched_save_agg_bw - save agg node's bw information
+ * ice_sched_save_agg_bw - save aggregator node's BW information
* @pi: port information structure
- * @agg_id: node aggregator id
+ * @agg_id: node aggregator ID
* @tc: traffic class
* @rl_type: rate limit type min, max, or shared
* @bw: bandwidth in Kbps - Kilo bits per sec
*
- * Save bw information of AGG type node for post replay use.
+ * Save BW information of AGG type node for post replay use.
*/
static enum ice_status
ice_sched_save_agg_bw(struct ice_port_info *pi, u32 agg_id, u8 tc,
}
/**
- * ice_cfg_vsi_bw_lmt_per_tc - configure VSI bw limit per tc
+ * ice_cfg_vsi_bw_lmt_per_tc - configure VSI BW limit per TC
* @pi: port information structure
* @vsi_handle: software VSI handle
* @tc: traffic class
* @rl_type: min or max
- * @bw: bandwidth in kbps
+ * @bw: bandwidth in Kbps
*
- * This function configures bw limit of VSI scheduling node based on tc
+ * This function configures BW limit of VSI scheduling node based on TC
* information.
*/
enum ice_status
}
/**
- * ice_cfg_dflt_vsi_bw_lmt_per_tc - configure default VSI bw limit per tc
+ * ice_cfg_dflt_vsi_bw_lmt_per_tc - configure default VSI BW limit per TC
* @pi: port information structure
* @vsi_handle: software VSI handle
* @tc: traffic class
* @rl_type: min or max
*
- * This function configures default bw limit of VSI scheduling node based on tc
+ * This function configures default BW limit of VSI scheduling node based on TC
* information.
*/
enum ice_status
}
/**
- * ice_cfg_agg_bw_lmt_per_tc - configure aggregator bw limit per tc
+ * ice_cfg_agg_bw_lmt_per_tc - configure aggregator BW limit per TC
* @pi: port information structure
- * @agg_id: aggregator id
+ * @agg_id: aggregator ID
* @tc: traffic class
* @rl_type: min or max
- * @bw: bandwidth in kbps
+ * @bw: bandwidth in Kbps
*
- * This function applies bw limit to aggregator scheduling node based on tc
+ * This function applies BW limit to aggregator scheduling node based on TC
* information.
*/
enum ice_status
}
/**
- * ice_cfg_agg_bw_dflt_lmt_per_tc - configure aggregator bw default limit per tc
+ * ice_cfg_agg_bw_dflt_lmt_per_tc - configure aggregator BW default limit per TC
* @pi: port information structure
- * @agg_id: aggregator id
+ * @agg_id: aggregator ID
* @tc: traffic class
* @rl_type: min or max
*
- * This function applies default bw limit to aggregator scheduling node based
- * on tc information.
+ * This function applies default BW limit to aggregator scheduling node based
+ * on TC information.
*/
enum ice_status
ice_cfg_agg_bw_dflt_lmt_per_tc(struct ice_port_info *pi, u32 agg_id, u8 tc,
}
/**
- * ice_cfg_vsi_bw_shared_lmt - configure VSI bw shared limit
+ * ice_cfg_vsi_bw_shared_lmt - configure VSI BW shared limit
* @pi: port information structure
* @vsi_handle: software VSI handle
- * @bw: bandwidth in kbps
+ * @bw: bandwidth in Kbps
*
* This function Configures shared rate limiter(SRL) of all VSI type nodes
* across all traffic classes for VSI matching handle.
}
/**
- * ice_cfg_vsi_bw_no_shared_lmt - configure VSI bw for no shared limiter
+ * ice_cfg_vsi_bw_no_shared_lmt - configure VSI BW for no shared limiter
* @pi: port information structure
* @vsi_handle: software VSI handle
*
}
/**
- * ice_cfg_agg_bw_shared_lmt - configure aggregator bw shared limit
+ * ice_cfg_agg_bw_shared_lmt - configure aggregator BW shared limit
* @pi: port information structure
- * @agg_id: aggregator id
- * @bw: bandwidth in kbps
+ * @agg_id: aggregator ID
+ * @bw: bandwidth in Kbps
*
- * This function configures the shared rate limiter(SRL) of all agg type nodes
- * across all traffic classes for aggregator matching agg_id.
+ * This function configures the shared rate limiter(SRL) of all aggregator type
+ * nodes across all traffic classes for aggregator matching agg_id.
*/
enum ice_status
ice_cfg_agg_bw_shared_lmt(struct ice_port_info *pi, u32 agg_id, u32 bw)
}
/**
- * ice_cfg_agg_bw_no_shared_lmt - configure aggregator bw for no shared limiter
+ * ice_cfg_agg_bw_no_shared_lmt - configure aggregator BW for no shared limiter
* @pi: port information structure
- * @agg_id: aggregator id
+ * @agg_id: aggregator ID
*
- * This function removes the shared rate limiter(SRL) of all agg type nodes
- * across all traffic classes for aggregator matching agg_id.
+ * This function removes the shared rate limiter(SRL) of all aggregator type
+ * nodes across all traffic classes for aggregator matching agg_id.
*/
enum ice_status
ice_cfg_agg_bw_no_shared_lmt(struct ice_port_info *pi, u32 agg_id)
* ice_config_vsi_queue_priority - config VSI queue priority of node
* @pi: port information structure
* @num_qs: number of VSI queues
- * @q_ids: queue ids array
- * @q_ids: queue ids array
+ * @q_ids: queue IDs array
+ * @q_ids: queue IDs array
* @q_prio: queue priority array
*
* This function configures the queue node priority (Sibling Priority) of the
- * passed in VSI's queue(s) for a given traffic class (tc).
+ * passed in VSI's queue(s) for a given traffic class (TC).
*/
enum ice_status
ice_cfg_vsi_q_priority(struct ice_port_info *pi, u16 num_qs, u32 *q_ids,
}
/**
- * ice_cfg_agg_vsi_priority_per_tc - config agg's VSI priority per tc
+ * ice_cfg_agg_vsi_priority_per_tc - config aggregator's VSI priority per TC
* @pi: port information structure
- * @agg_id: Aggregator id
+ * @agg_id: Aggregator ID
* @num_vsis: number of VSI(s)
* @vsi_handle_arr: array of software VSI handles
* @node_prio: pointer to node priority
* @tc: traffic class
*
* This function configures the node priority (Sibling Priority) of the
- * passed in VSI's for a given traffic class (tc) of an Aggregator id.
+ * passed in VSI's for a given traffic class (TC) of an Aggregator ID.
*/
enum ice_status
ice_cfg_agg_vsi_priority_per_tc(struct ice_port_info *pi, u32 agg_id,
}
/**
- * ice_cfg_vsi_bw_alloc - config VSI bw alloc per tc
+ * ice_cfg_vsi_bw_alloc - config VSI BW alloc per TC
* @pi: port information structure
* @vsi_handle: software VSI handle
- * @ena_tcmap: enabled tc map
+ * @ena_tcmap: enabled TC map
* @rl_type: Rate limit type CIR/EIR
- * @bw_alloc: Array of bw alloc
+ * @bw_alloc: Array of BW alloc
*
- * This function configures the bw allocation of the passed in VSI's
+ * This function configures the BW allocation of the passed in VSI's
* node(s) for enabled traffic class.
*/
enum ice_status
ice_acquire_lock(&pi->sched_lock);
- /* Return success if no nodes are present across tc */
- for (tc = 0; tc < ICE_MAX_TRAFFIC_CLASS; tc++) {
+ /* Return success if no nodes are present across TC */
+ ice_for_each_traffic_class(tc) {
struct ice_sched_node *tc_node, *vsi_node;
if (!ice_is_tc_ena(ena_tcmap, tc))
}
/**
- * ice_cfg_agg_bw_alloc - config agg bw alloc
+ * ice_cfg_agg_bw_alloc - config aggregator BW alloc
* @pi: port information structure
- * @agg_id: aggregator id
- * @ena_tcmap: enabled tc map
+ * @agg_id: aggregator ID
+ * @ena_tcmap: enabled TC map
* @rl_type: rate limit type CIR/EIR
- * @bw_alloc: array of bw alloc
+ * @bw_alloc: array of BW alloc
*
- * This function configures the bw allocation of passed in aggregator for
+ * This function configures the BW allocation of passed in aggregator for
* enabled traffic class(s).
*/
enum ice_status
goto exit_cfg_agg_bw_alloc;
}
- /* Return success if no nodes are present across tc */
- for (tc = 0; tc < ICE_MAX_TRAFFIC_CLASS; tc++) {
+ /* Return success if no nodes are present across TC */
+ ice_for_each_traffic_class(tc) {
struct ice_sched_node *tc_node, *agg_node;
if (!ice_is_tc_ena(ena_tcmap, tc))
}
/**
- * ice_sched_calc_wakeup - calculate rl profile wakeup parameter
- * @bw: bandwidth in kbps
+ * ice_sched_calc_wakeup - calculate RL profile wakeup parameter
+ * @bw: bandwidth in Kbps
*
- * This function calculates the wakeup parameter of rl profile.
+ * This function calculates the wakeup parameter of RL profile.
*/
static u16 ice_sched_calc_wakeup(s32 bw)
{
}
/**
- * ice_sched_bw_to_rl_profile - convert bw to profile parameters
- * @bw: bandwidth in kbps
+ * ice_sched_bw_to_rl_profile - convert BW to profile parameters
+ * @bw: bandwidth in Kbps
* @profile: profile parameters to return
*
- * This function converts the bw to profile structure format.
+ * This function converts the BW to profile structure format.
*/
static enum ice_status
ice_sched_bw_to_rl_profile(u32 bw, struct ice_aqc_rl_profile_elem *profile)
if (bw < ICE_SCHED_MIN_BW || bw > ICE_SCHED_MAX_BW)
return status;
- /* Bytes per second from kbps */
+ /* Bytes per second from Kbps */
bytes_per_sec = DIV_64BIT(((s64)bw * 1000), BITS_PER_BYTE);
/* encode is 6 bits but really useful are 5 bits */
}
/**
- * ice_sched_add_rl_profile - add rl profile
+ * ice_sched_add_rl_profile - add RL profile
* @pi: port information structure
- * @rl_type: type of rate limit bw - min, max, or shared
+ * @rl_type: type of rate limit BW - min, max, or shared
* @bw: bandwidth in Kbps - Kilo bits per sec
* @layer_num: specifies in which layer to create profile
*
- * This function first checks the existing list for corresponding bw
+ * This function first checks the existing list for corresponding BW
* parameter. If it exists, it returns the associated profile otherwise
- * it creates a new rate limit profile for requested bw, and adds it to
- * the hw db and local list. It returns the new profile or null on error.
+ * it creates a new rate limit profile for requested BW, and adds it to
+ * the HW DB and local list. It returns the new profile or null on error.
* The caller needs to hold the scheduler lock.
*/
static struct ice_aqc_rl_profile_info *
ice_aqc_rl_profile_info, list_entry)
if (rl_prof_elem->profile.flags == profile_type &&
rl_prof_elem->bw == bw)
- /* Return existing profile id info */
+ /* Return existing profile ID info */
return rl_prof_elem;
- /* Create new profile id */
+ /* Create new profile ID */
rl_prof_elem = (struct ice_aqc_rl_profile_info *)
ice_malloc(hw, sizeof(*rl_prof_elem));
rl_prof_elem->profile.flags = profile_type;
rl_prof_elem->profile.max_burst_size = CPU_TO_LE16(hw->max_burst_size);
- /* Create new entry in hw db */
+ /* Create new entry in HW DB */
buf = (struct ice_aqc_rl_profile_generic_elem *)
&rl_prof_elem->profile;
status = ice_aq_add_rl_profile(hw, num_profiles, buf, sizeof(*buf),
}
/**
- * ice_sched_del_rl_profile - remove rl profile
- * @hw: pointer to the hw struct
- * @rl_info: rate limit profile information
+ * ice_sched_cfg_node_bw_lmt - configure node sched params
+ * @hw: pointer to the HW struct
+ * @node: sched node to configure
+ * @rl_type: rate limit type CIR, EIR, or shared
+ * @rl_prof_id: rate limit profile ID
*
- * If the profile id is not referenced anymore, it removes profile id with
- * its associated parameters from hw db,and locally. The caller needs to
- * hold scheduler lock.
+ * This function configures node element's BW limit.
*/
-enum ice_status
-ice_sched_del_rl_profile(struct ice_hw *hw,
- struct ice_aqc_rl_profile_info *rl_info)
-{
- struct ice_aqc_rl_profile_generic_elem *buf;
- u16 num_profiles_removed;
- enum ice_status status;
- u16 num_profiles = 1;
-
- if (rl_info->prof_id_ref != 0)
- return ICE_ERR_IN_USE;
-
- /* Safe to remove profile id */
- buf = (struct ice_aqc_rl_profile_generic_elem *)
- &rl_info->profile;
- status = ice_aq_remove_rl_profile(hw, num_profiles, buf, sizeof(*buf),
- &num_profiles_removed, NULL);
- if (status || num_profiles_removed != num_profiles)
- return ICE_ERR_CFG;
-
- /* Delete stale entry now */
- LIST_DEL(&rl_info->list_entry);
- ice_free(hw, rl_info);
- return status;
-}
-
-/**
- * ice_sched_rm_unused_rl_prof - remove unused rl profile
- * @pi: port information structure
- *
- * This function removes unused rate limit profiles from the hw and
- * SW DB. The caller needs to hold scheduler lock.
- */
-void ice_sched_rm_unused_rl_prof(struct ice_port_info *pi)
-{
- u8 ln;
-
- for (ln = 0; ln < pi->hw->num_tx_sched_layers; ln++) {
- struct ice_aqc_rl_profile_info *rl_prof_elem;
- struct ice_aqc_rl_profile_info *rl_prof_tmp;
-
- LIST_FOR_EACH_ENTRY_SAFE(rl_prof_elem, rl_prof_tmp,
- &pi->rl_prof_list[ln],
- ice_aqc_rl_profile_info, list_entry) {
- if (!ice_sched_del_rl_profile(pi->hw, rl_prof_elem))
- ice_debug(pi->hw, ICE_DBG_SCHED,
- "Removed rl profile\n");
- }
- }
-}
-
-/**
- * ice_sched_update_elem - update element
- * @hw: pointer to the hw struct
- * @node: pointer to node
- * @info: node info to update
- *
- * It updates the HW DB, and local SW DB of node. It updates the scheduling
- * parameters of node from argument info data buffer (Info->data buf) and
- * returns success or error on config sched element failure. The caller
- * needs to hold scheduler lock.
- */
-static enum ice_status
-ice_sched_update_elem(struct ice_hw *hw, struct ice_sched_node *node,
- struct ice_aqc_txsched_elem_data *info)
-{
- struct ice_aqc_conf_elem buf;
- enum ice_status status;
- u16 elem_cfgd = 0;
- u16 num_elems = 1;
-
- buf.generic[0] = *info;
- /* Parent teid is reserved field in this aq call */
- buf.generic[0].parent_teid = 0;
- /* Element type is reserved field in this aq call */
- buf.generic[0].data.elem_type = 0;
- /* Flags is reserved field in this aq call */
- buf.generic[0].data.flags = 0;
-
- /* Update HW DB */
- /* Configure element node */
- status = ice_aq_cfg_sched_elems(hw, num_elems, &buf, sizeof(buf),
- &elem_cfgd, NULL);
- if (status || elem_cfgd != num_elems) {
- ice_debug(hw, ICE_DBG_SCHED, "Config sched elem error\n");
- return ICE_ERR_CFG;
- }
-
- /* Config success case */
- /* Now update local SW DB */
- /* Only copy the data portion of info buffer */
- node->info.data = info->data;
- return status;
-}
-
-/**
- * ice_sched_cfg_node_bw_lmt - configure node sched params
- * @hw: pointer to the hw struct
- * @node: sched node to configure
- * @rl_type: rate limit type cir, eir, or shared
- * @rl_prof_id: rate limit profile id
- *
- * This function configures node element's bw limit.
- */
-static enum ice_status
-ice_sched_cfg_node_bw_lmt(struct ice_hw *hw, struct ice_sched_node *node,
- enum ice_rl_type rl_type, u16 rl_prof_id)
+static enum ice_status
+ice_sched_cfg_node_bw_lmt(struct ice_hw *hw, struct ice_sched_node *node,
+ enum ice_rl_type rl_type, u16 rl_prof_id)
{
struct ice_aqc_txsched_elem_data buf;
struct ice_aqc_txsched_elem *data;
data->cir_bw.bw_profile_idx = CPU_TO_LE16(rl_prof_id);
break;
case ICE_MAX_BW:
- /* EIR bw and Shared bw profiles are mutually exclusive and
+ /* EIR BW and Shared BW profiles are mutually exclusive and
* hence only one of them may be set for any given element
*/
if (data->valid_sections & ICE_AQC_ELEM_VALID_SHARED)
data->eir_bw.bw_profile_idx = CPU_TO_LE16(rl_prof_id);
break;
case ICE_SHARED_BW:
- /* Check for removing shared bw */
+ /* Check for removing shared BW */
if (rl_prof_id == ICE_SCHED_NO_SHARED_RL_PROF_ID) {
/* remove shared profile */
data->valid_sections &= ~ICE_AQC_ELEM_VALID_SHARED;
- data->srl_id = 0; /* clear srl field */
+ data->srl_id = 0; /* clear SRL field */
/* enable back EIR to default profile */
data->valid_sections |= ICE_AQC_ELEM_VALID_EIR;
CPU_TO_LE16(ICE_SCHED_DFLT_RL_PROF_ID);
break;
}
- /* EIR bw and Shared bw profiles are mutually exclusive and
+ /* EIR BW and Shared BW profiles are mutually exclusive and
* hence only one of them may be set for any given element
*/
if ((data->valid_sections & ICE_AQC_ELEM_VALID_EIR) &&
(LE16_TO_CPU(data->eir_bw.bw_profile_idx) !=
ICE_SCHED_DFLT_RL_PROF_ID))
return ICE_ERR_CFG;
- /* EIR bw is set to default, disable it */
+ /* EIR BW is set to default, disable it */
data->valid_sections &= ~ICE_AQC_ELEM_VALID_EIR;
- /* Okay to enable shared bw now */
+ /* Okay to enable shared BW now */
data->valid_sections |= ICE_AQC_ELEM_VALID_SHARED;
data->srl_id = CPU_TO_LE16(rl_prof_id);
break;
}
/**
- * ice_sched_get_node_rl_prof_id - get node's rate limit profile id
+ * ice_sched_get_node_rl_prof_id - get node's rate limit profile ID
* @node: sched node
* @rl_type: rate limit type
*
* If existing profile matches, it returns the corresponding rate
- * limit profile id, otherwise it returns an invalid id as error.
+ * limit profile ID, otherwise it returns an invalid ID as error.
*/
static u16
ice_sched_get_node_rl_prof_id(struct ice_sched_node *node,
/**
* ice_sched_get_rl_prof_layer - selects rate limit profile creation layer
* @pi: port information structure
- * @rl_type: type of rate limit bw - min, max, or shared
+ * @rl_type: type of rate limit BW - min, max, or shared
* @layer_index: layer index
*
* This function returns requested profile creation layer.
}
/**
- * ice_sched_rm_rl_profile - remove rl profile id
+ * ice_sched_rm_rl_profile - remove RL profile ID
* @pi: port information structure
* @layer_num: layer number where profiles are saved
* @profile_type: profile type like EIR, CIR, or SRL
- * @profile_id: profile id to remove
+ * @profile_id: profile ID to remove
*
* This function removes rate limit profile from layer 'layer_num' of type
- * 'profile_type' and profile id as 'profile_id'. The caller needs to hold
+ * 'profile_type' and profile ID as 'profile_id'. The caller needs to hold
* scheduler lock.
*/
static enum ice_status
struct ice_aqc_rl_profile_info *rl_prof_elem;
enum ice_status status = ICE_SUCCESS;
- /* Check the existing list for rl profile */
+ /* Check the existing list for RL profile */
LIST_FOR_EACH_ENTRY(rl_prof_elem, &pi->rl_prof_list[layer_num],
ice_aqc_rl_profile_info, list_entry)
if (rl_prof_elem->profile.flags == profile_type &&
if (rl_prof_elem->prof_id_ref)
rl_prof_elem->prof_id_ref--;
- /* Remove old profile id from database */
+ /* Remove old profile ID from database */
status = ice_sched_del_rl_profile(pi->hw, rl_prof_elem);
if (status && status != ICE_ERR_IN_USE)
ice_debug(pi->hw, ICE_DBG_SCHED,
* @pi: port information structure
* @node: pointer to node structure
* @rl_type: rate limit type min, max, or shared
- * @layer_num: layer number where rl profiles are saved
+ * @layer_num: layer number where RL profiles are saved
*
- * This function configures node element's bw rate limit profile id of
- * type cir, eir, or srl to default. This function needs to be called
+ * This function configures node element's BW rate limit profile ID of
+ * type CIR, EIR, or SRL to default. This function needs to be called
* with the scheduler lock held.
*/
static enum ice_status
default:
return ICE_ERR_PARAM;
}
- /* Save existing rl prof id for later clean up */
+ /* Save existing RL prof ID for later clean up */
old_id = ice_sched_get_node_rl_prof_id(node, rl_type);
- /* Configure bw scheduling parameters */
+ /* Configure BW scheduling parameters */
status = ice_sched_cfg_node_bw_lmt(hw, node, rl_type, rl_prof_id);
if (status)
return status;
- /* Remove stale rl profile id */
+ /* Remove stale RL profile ID */
if (old_id == ICE_SCHED_DFLT_RL_PROF_ID ||
old_id == ICE_SCHED_INVAL_PROF_ID)
- return status;
+ return ICE_SUCCESS;
+
return ice_sched_rm_rl_profile(pi, layer_num, profile_type, old_id);
}
* @bw: bandwidth value
*
* This function prepares node element's bandwidth to SRL or EIR exclusively.
- * EIR bw and Shared bw profiles are mutually exclusive and hence only one of
+ * EIR BW and Shared BW profiles are mutually exclusive and hence only one of
* them may be set for any given element. This function needs to be called
* with the scheduler lock held.
*/
layer_num);
} else if (rl_type == ICE_MAX_BW &&
node->info.data.valid_sections & ICE_AQC_ELEM_VALID_SHARED) {
- /* Remove Shared profile. Set default shared bw call
+ /* Remove Shared profile. Set default shared BW call
* removes shared profile for a node.
*/
return ice_sched_set_node_bw_dflt(pi, node,
* @bw: bandwidth in Kbps - Kilo bits per sec
* @layer_num: layer number
*
- * This function adds new profile corresponding to requested bw, configures
- * node's rl profile id of type cir, eir, or srl, and removes old profile
- * id from local database. The caller needs to hold scheduler lock.
+ * This function adds new profile corresponding to requested BW, configures
+ * node's RL profile ID of type CIR, EIR, or SRL, and removes old profile
+ * ID from local database. The caller needs to hold scheduler lock.
*/
static enum ice_status
ice_sched_set_node_bw(struct ice_port_info *pi, struct ice_sched_node *node,
rl_prof_id = LE16_TO_CPU(rl_prof_info->profile.profile_id);
- /* Save existing rl prof id for later clean up */
+ /* Save existing RL prof ID for later clean up */
old_id = ice_sched_get_node_rl_prof_id(node, rl_type);
- /* Configure bw scheduling parameters */
+ /* Configure BW scheduling parameters */
status = ice_sched_cfg_node_bw_lmt(hw, node, rl_type, rl_prof_id);
if (status)
return status;
/* New changes has been applied */
- /* Increment the profile id reference count */
+ /* Increment the profile ID reference count */
rl_prof_info->prof_id_ref++;
- /* Check for old id removal */
+ /* Check for old ID removal */
if ((old_id == ICE_SCHED_DFLT_RL_PROF_ID && rl_type != ICE_SHARED_BW) ||
old_id == ICE_SCHED_INVAL_PROF_ID || old_id == rl_prof_id)
- return status;
+ return ICE_SUCCESS;
return ice_sched_rm_rl_profile(pi, layer_num,
rl_prof_info->profile.flags,
}
/**
- * ice_sched_set_node_bw_lmt - set node's bw limit
+ * ice_sched_set_node_bw_lmt - set node's BW limit
* @pi: port information structure
* @node: tree node
* @rl_type: rate limit type min, max, or shared
* @bw: bandwidth in Kbps - Kilo bits per sec
*
- * It updates node's bw limit parameters like bw rl profile id of type cir,
- * eir, or srl. The caller needs to hold scheduler lock.
+ * It updates node's BW limit parameters like BW RL profile ID of type CIR,
+ * EIR, or SRL. The caller needs to hold scheduler lock.
*/
-enum ice_status
+static enum ice_status
ice_sched_set_node_bw_lmt(struct ice_port_info *pi, struct ice_sched_node *node,
enum ice_rl_type rl_type, u32 bw)
{
if (!pi)
return ICE_ERR_PARAM;
hw = pi->hw;
- /* Remove unused rl profile ids from HW and SW DB */
+ /* Remove unused RL profile IDs from HW and SW DB */
ice_sched_rm_unused_rl_prof(pi);
layer_num = ice_sched_get_rl_prof_layer(pi, rl_type,
node->tx_sched_layer);
if (!cfg_node)
return ICE_ERR_CFG;
}
- /* EIR bw and Shared bw profiles are mutually exclusive and
+ /* EIR BW and Shared BW profiles are mutually exclusive and
* hence only one of them may be set for any given element
*/
status = ice_sched_set_eir_srl_excl(pi, cfg_node, layer_num, rl_type,
}
/**
- * ice_sched_set_node_bw_dflt_lmt - set node's bw limit to default
+ * ice_sched_set_node_bw_dflt_lmt - set node's BW limit to default
* @pi: port information structure
* @node: pointer to node structure
* @rl_type: rate limit type min, max, or shared
*
- * This function configures node element's bw rate limit profile id of
- * type cir, eir, or srl to default. This function needs to be called
+ * This function configures node element's BW rate limit profile ID of
+ * type CIR, EIR, or SRL to default. This function needs to be called
* with the scheduler lock held.
*/
static enum ice_status
}
/**
- * ice_sched_set_q_bw_lmt - sets queue bw limit
+ * ice_sched_set_q_bw_lmt - sets queue BW limit
* @pi: port information structure
- * @q_id: queue id (leaf node teid)
+ * @q_id: queue ID (leaf node TEID)
* @rl_type: min, max, or shared
- * @bw: bandwidth in kbps
+ * @bw: bandwidth in Kbps
*
- * This function sets bw limit of queue scheduling node.
+ * This function sets BW limit of queue scheduling node.
*/
static enum ice_status
ice_sched_set_q_bw_lmt(struct ice_port_info *pi, u32 q_id,
}
/**
- * ice_cfg_q_bw_lmt - configure queue bw limit
+ * ice_cfg_q_bw_lmt - configure queue BW limit
* @pi: port information structure
- * @q_id: queue id (leaf node teid)
+ * @q_id: queue ID (leaf node TEID)
* @rl_type: min, max, or shared
- * @bw: bandwidth in kbps
+ * @bw: bandwidth in Kbps
*
- * This function configures bw limit of queue scheduling node.
+ * This function configures BW limit of queue scheduling node.
*/
enum ice_status
ice_cfg_q_bw_lmt(struct ice_port_info *pi, u32 q_id, enum ice_rl_type rl_type,
}
/**
- * ice_cfg_q_bw_dflt_lmt - configure queue bw default limit
+ * ice_cfg_q_bw_dflt_lmt - configure queue BW default limit
* @pi: port information structure
- * @q_id: queue id (leaf node teid)
+ * @q_id: queue ID (leaf node TEID)
* @rl_type: min, max, or shared
*
- * This function configures bw default limit of queue scheduling node.
+ * This function configures BW default limit of queue scheduling node.
*/
enum ice_status
ice_cfg_q_bw_dflt_lmt(struct ice_port_info *pi, u32 q_id,
}
/**
- * ice_sched_save_tc_node_bw - save tc node bw limit
+ * ice_sched_save_tc_node_bw - save TC node BW limit
* @pi: port information structure
- * @tc: tc number
+ * @tc: TC number
* @rl_type: min or max
- * @bw: bandwidth in kbps
+ * @bw: bandwidth in Kbps
*
* This function saves the modified values of bandwidth settings for later
* replay purpose (restore) after reset.
}
/**
- * ice_sched_set_tc_node_bw_lmt - sets tc node bw limit
+ * ice_sched_set_tc_node_bw_lmt - sets TC node BW limit
* @pi: port information structure
- * @tc: tc number
+ * @tc: TC number
* @rl_type: min or max
- * @bw: bandwidth in kbps
+ * @bw: bandwidth in Kbps
*
- * This function configures bandwidth limit of tc node.
+ * This function configures bandwidth limit of TC node.
*/
static enum ice_status
ice_sched_set_tc_node_bw_lmt(struct ice_port_info *pi, u8 tc,
}
/**
- * ice_cfg_tc_node_bw_lmt - configure tc node bw limit
+ * ice_cfg_tc_node_bw_lmt - configure TC node BW limit
* @pi: port information structure
- * @tc: tc number
+ * @tc: TC number
* @rl_type: min or max
- * @bw: bandwidth in kbps
+ * @bw: bandwidth in Kbps
*
- * This function configures bw limit of tc node.
+ * This function configures BW limit of TC node.
* Note: The minimum guaranteed reservation is done via DCBX.
*/
enum ice_status
}
/**
- * ice_cfg_tc_node_bw_dflt_lmt - configure tc node bw default limit
+ * ice_cfg_tc_node_bw_dflt_lmt - configure TC node BW default limit
* @pi: port information structure
- * @tc: tc number
+ * @tc: TC number
* @rl_type: min or max
*
- * This function configures bw default limit of tc node.
+ * This function configures BW default limit of TC node.
*/
enum ice_status
ice_cfg_tc_node_bw_dflt_lmt(struct ice_port_info *pi, u8 tc,
}
/**
- * ice_sched_save_tc_node_bw_alloc - save tc node's bw alloc information
+ * ice_sched_save_tc_node_bw_alloc - save TC node's BW alloc information
* @pi: port information structure
* @tc: traffic class
* @rl_type: rate limit type min or max
* @bw_alloc: Bandwidth allocation information
*
- * Save bw alloc information of VSI type node for post replay use.
+ * Save BW alloc information of VSI type node for post replay use.
*/
static enum ice_status
ice_sched_save_tc_node_bw_alloc(struct ice_port_info *pi, u8 tc,
}
/**
- * ice_sched_set_tc_node_bw_alloc - set tc node bw alloc
+ * ice_sched_set_tc_node_bw_alloc - set TC node BW alloc
* @pi: port information structure
- * @tc: tc number
+ * @tc: TC number
* @rl_type: min or max
* @bw_alloc: bandwidth alloc
*
- * This function configures bandwidth alloc of tc node, also saves the
+ * This function configures bandwidth alloc of TC node, also saves the
* changed settings for replay purpose, and return success if it succeeds
* in modifying bandwidth alloc setting.
*/
}
/**
- * ice_cfg_tc_node_bw_alloc - configure tc node bw alloc
+ * ice_cfg_tc_node_bw_alloc - configure TC node BW alloc
* @pi: port information structure
- * @tc: tc number
+ * @tc: TC number
* @rl_type: min or max
* @bw_alloc: bandwidth alloc
*
- * This function configures bw limit of tc node.
+ * This function configures BW limit of TC node.
* Note: The minimum guaranteed reservation is done via DCBX.
*/
enum ice_status
}
/**
- * ice_sched_set_agg_bw_dflt_lmt - set agg node's bw limit to default
+ * ice_sched_set_agg_bw_dflt_lmt - set aggregator node's BW limit to default
* @pi: port information structure
* @vsi_handle: software VSI handle
*
- * This function retrieves the aggregator id based on VSI id and tc,
- * and sets node's bw limit to default. This function needs to be
+ * This function retrieves the aggregator ID based on VSI ID and TC,
+ * and sets node's BW limit to default. This function needs to be
* called with the scheduler lock held.
*/
enum ice_status
if (!vsi_ctx)
return ICE_ERR_PARAM;
- for (tc = 0; tc < ICE_MAX_TRAFFIC_CLASS; tc++) {
+ ice_for_each_traffic_class(tc) {
struct ice_sched_node *node;
node = vsi_ctx->sched.ag_node[tc];
}
/**
- * ice_sched_get_node_by_id_type - get node from id type
+ * ice_sched_get_node_by_id_type - get node from ID type
* @pi: port information structure
* @id: identifier
* @agg_type: type of aggregator
* @tc: traffic class
*
- * This function returns node identified by id of type aggregator, and
- * based on traffic class (tc). This function needs to be called with
+ * This function returns node identified by ID of type aggregator, and
+ * based on traffic class (TC). This function needs to be called with
* the scheduler lock held.
*/
static struct ice_sched_node *
}
/**
- * ice_sched_set_node_bw_lmt_per_tc - set node bw limit per tc
+ * ice_sched_set_node_bw_lmt_per_tc - set node BW limit per TC
* @pi: port information structure
- * @id: id (software VSI handle or AGG id)
+ * @id: ID (software VSI handle or AGG ID)
* @agg_type: aggregator type (VSI or AGG type node)
* @tc: traffic class
* @rl_type: min or max
- * @bw: bandwidth in kbps
+ * @bw: bandwidth in Kbps
*
- * This function sets bw limit of VSI or Aggregator scheduling node
- * based on tc information from passed in argument bw.
+ * This function sets BW limit of VSI or Aggregator scheduling node
+ * based on TC information from passed in argument BW.
*/
enum ice_status
ice_sched_set_node_bw_lmt_per_tc(struct ice_port_info *pi, u32 id,
* @vsi_handle: software VSI handle
*
* This function validates SRL node of the VSI node if available SRL layer is
- * different than the VSI node layer on all tc(s).This function needs to be
+ * different than the VSI node layer on all TC(s).This function needs to be
* called with scheduler lock held.
*/
static enum ice_status
if (!ice_is_vsi_valid(pi->hw, vsi_handle))
return ICE_ERR_PARAM;
- /* Return success if no nodes are present across tc */
- for (tc = 0; tc < ICE_MAX_TRAFFIC_CLASS; tc++) {
+ /* Return success if no nodes are present across TC */
+ ice_for_each_traffic_class(tc) {
struct ice_sched_node *tc_node, *vsi_node;
enum ice_rl_type rl_type = ICE_SHARED_BW;
enum ice_status status;
}
/**
- * ice_sched_set_vsi_bw_shared_lmt - set VSI bw shared limit
+ * ice_sched_set_vsi_bw_shared_lmt - set VSI BW shared limit
* @pi: port information structure
* @vsi_handle: software VSI handle
- * @bw: bandwidth in kbps
+ * @bw: bandwidth in Kbps
*
* This function Configures shared rate limiter(SRL) of all VSI type nodes
- * across all traffic classes for VSI matching handle. When bw value of
+ * across all traffic classes for VSI matching handle. When BW value of
* ICE_SCHED_DFLT_BW is passed, it removes the SRL from the node.
*/
enum ice_status
ice_acquire_lock(&pi->sched_lock);
status = ice_sched_validate_vsi_srl_node(pi, vsi_handle);
if (status)
- goto exit_set_vsi_bw_shared_lmt;
- /* Return success if no nodes are present across tc */
- for (tc = 0; tc < ICE_MAX_TRAFFIC_CLASS; tc++) {
- struct ice_sched_node *tc_node, *vsi_node;
- enum ice_rl_type rl_type = ICE_SHARED_BW;
-
- tc_node = ice_sched_get_tc_node(pi, tc);
- if (!tc_node)
- continue;
-
- vsi_node = ice_sched_get_vsi_node(pi->hw, tc_node, vsi_handle);
- if (!vsi_node)
- continue;
-
- if (bw == ICE_SCHED_DFLT_BW)
- /* It removes existing SRL from the node */
- status = ice_sched_set_node_bw_dflt_lmt(pi, vsi_node,
- rl_type);
- else
- status = ice_sched_set_node_bw_lmt(pi, vsi_node,
- rl_type, bw);
- if (status)
- break;
- status = ice_sched_save_vsi_bw(pi, vsi_handle, tc, rl_type, bw);
- if (status)
- break;
- }
-
-exit_set_vsi_bw_shared_lmt:
- ice_release_lock(&pi->sched_lock);
- return status;
-}
-
-/**
- * ice_sched_validate_agg_srl_node - validate AGG SRL node
- * @pi: port information structure
- * @agg_id: aggregator id
- *
- * This function validates SRL node of the AGG node if available SRL layer is
- * different than the AGG node layer on all tc(s).This function needs to be
- * called with scheduler lock held.
- */
-static enum ice_status
-ice_sched_validate_agg_srl_node(struct ice_port_info *pi, u32 agg_id)
-{
- u8 sel_layer = ICE_SCHED_INVAL_LAYER_NUM;
- struct ice_sched_agg_info *agg_info;
- bool agg_id_present = false;
- enum ice_status status = ICE_SUCCESS;
- u8 tc;
-
- LIST_FOR_EACH_ENTRY(agg_info, &pi->hw->agg_list, ice_sched_agg_info,
- list_entry)
- if (agg_info->agg_id == agg_id) {
- agg_id_present = true;
- break;
- }
- if (!agg_id_present)
- return ICE_ERR_PARAM;
- /* Return success if no nodes are present across tc */
- for (tc = 0; tc < ICE_MAX_TRAFFIC_CLASS; tc++) {
- struct ice_sched_node *tc_node, *agg_node;
- enum ice_rl_type rl_type = ICE_SHARED_BW;
-
- tc_node = ice_sched_get_tc_node(pi, tc);
- if (!tc_node)
- continue;
-
- agg_node = ice_sched_get_agg_node(pi->hw, tc_node, agg_id);
- if (!agg_node)
- continue;
- /* SRL bandwidth layer selection */
- if (sel_layer == ICE_SCHED_INVAL_LAYER_NUM) {
- u8 node_layer = agg_node->tx_sched_layer;
- u8 layer_num;
-
- layer_num = ice_sched_get_rl_prof_layer(pi, rl_type,
- node_layer);
- if (layer_num >= pi->hw->num_tx_sched_layers)
- return ICE_ERR_PARAM;
- sel_layer = layer_num;
- }
-
- status = ice_sched_validate_srl_node(agg_node, sel_layer);
- if (status)
- break;
- }
- return status;
-}
-
-/**
- * ice_sched_set_agg_bw_shared_lmt - set aggregator bw shared limit
- * @pi: port information structure
- * @agg_id: aggregator id
- * @bw: bandwidth in kbps
- *
- * This function configures the shared rate limiter(SRL) of all agg type
- * nodes across all traffic classes for aggregator matching agg_id. When
- * bw value of ICE_SCHED_DFLT_BW is passed, it removes SRL from the
- * node(s).
- */
-enum ice_status
-ice_sched_set_agg_bw_shared_lmt(struct ice_port_info *pi, u32 agg_id, u32 bw)
-{
- struct ice_sched_agg_info *agg_info;
- struct ice_sched_agg_info *tmp;
- bool agg_id_present = false;
- enum ice_status status = ICE_SUCCESS;
- u8 tc;
-
- if (!pi)
- return ICE_ERR_PARAM;
-
- ice_acquire_lock(&pi->sched_lock);
- status = ice_sched_validate_agg_srl_node(pi, agg_id);
- if (status)
- goto exit_agg_bw_shared_lmt;
-
- LIST_FOR_EACH_ENTRY_SAFE(agg_info, tmp, &pi->hw->agg_list,
- ice_sched_agg_info, list_entry)
- if (agg_info->agg_id == agg_id) {
- agg_id_present = true;
- break;
- }
-
- if (!agg_id_present) {
- status = ICE_ERR_PARAM;
- goto exit_agg_bw_shared_lmt;
- }
-
- /* Return success if no nodes are present across tc */
- for (tc = 0; tc < ICE_MAX_TRAFFIC_CLASS; tc++) {
- enum ice_rl_type rl_type = ICE_SHARED_BW;
- struct ice_sched_node *tc_node, *agg_node;
-
- tc_node = ice_sched_get_tc_node(pi, tc);
- if (!tc_node)
- continue;
-
- agg_node = ice_sched_get_agg_node(pi->hw, tc_node, agg_id);
- if (!agg_node)
- continue;
-
- if (bw == ICE_SCHED_DFLT_BW)
- /* It removes existing SRL from the node */
- status = ice_sched_set_node_bw_dflt_lmt(pi, agg_node,
- rl_type);
- else
- status = ice_sched_set_node_bw_lmt(pi, agg_node,
- rl_type, bw);
- if (status)
- break;
- status = ice_sched_save_agg_bw(pi, agg_id, tc, rl_type, bw);
- if (status)
- break;
- }
-
-exit_agg_bw_shared_lmt:
- ice_release_lock(&pi->sched_lock);
- return status;
-}
-
-/**
- * ice_sched_cfg_sibl_node_prio - configure node sibling priority
- * @hw: pointer to the hw struct
- * @node: sched node to configure
- * @priority: sibling priority
- *
- * This function configures node element's sibling priority only. This
- * function needs to be called with scheduler lock held.
- */
-enum ice_status
-ice_sched_cfg_sibl_node_prio(struct ice_hw *hw, struct ice_sched_node *node,
- u8 priority)
-{
- struct ice_aqc_txsched_elem_data buf;
- struct ice_aqc_txsched_elem *data;
- enum ice_status status;
-
- buf = node->info;
- data = &buf.data;
- data->valid_sections |= ICE_AQC_ELEM_VALID_GENERIC;
- priority = (priority << ICE_AQC_ELEM_GENERIC_PRIO_S) &
- ICE_AQC_ELEM_GENERIC_PRIO_M;
- data->generic &= ~ICE_AQC_ELEM_GENERIC_PRIO_M;
- data->generic |= priority;
-
- /* Configure element */
- status = ice_sched_update_elem(hw, node, &buf);
- return status;
-}
-
-/**
- * ice_sched_cfg_node_bw_alloc - configure node bw weight/alloc params
- * @hw: pointer to the hw struct
- * @node: sched node to configure
- * @rl_type: rate limit type cir, eir, or shared
- * @bw_alloc: bw weight/allocation
- *
- * This function configures node element's bw allocation.
- */
-enum ice_status
-ice_sched_cfg_node_bw_alloc(struct ice_hw *hw, struct ice_sched_node *node,
- enum ice_rl_type rl_type, u8 bw_alloc)
-{
- struct ice_aqc_txsched_elem_data buf;
- struct ice_aqc_txsched_elem *data;
- enum ice_status status;
-
- buf = node->info;
- data = &buf.data;
- if (rl_type == ICE_MIN_BW) {
- data->valid_sections |= ICE_AQC_ELEM_VALID_CIR;
- data->cir_bw.bw_alloc = CPU_TO_LE16(bw_alloc);
- } else if (rl_type == ICE_MAX_BW) {
- data->valid_sections |= ICE_AQC_ELEM_VALID_EIR;
- data->eir_bw.bw_alloc = CPU_TO_LE16(bw_alloc);
- } else {
- return ICE_ERR_PARAM;
- }
-
- /* Configure element */
- status = ice_sched_update_elem(hw, node, &buf);
- return status;
-}
-
-/**
- * ice_sched_add_agg_cfg - create an aggregator node
- * @pi: port information structure
- * @agg_id: aggregator id
- * @tc: TC number
- *
- * This function creates an aggregator node and intermediate nodes if required
- * for the given TC
- */
-enum ice_status
-ice_sched_add_agg_cfg(struct ice_port_info *pi, u32 agg_id, u8 tc)
-{
- struct ice_sched_node *parent, *agg_node, *tc_node;
- u16 num_nodes[ICE_AQC_TOPO_MAX_LEVEL_NUM] = { 0 };
- enum ice_status status = ICE_SUCCESS;
- struct ice_hw *hw = pi->hw;
- u32 first_node_teid;
- u16 num_nodes_added;
- u8 i, aggl;
-
- tc_node = ice_sched_get_tc_node(pi, tc);
- if (!tc_node)
- return ICE_ERR_CFG;
-
- agg_node = ice_sched_get_agg_node(hw, tc_node, agg_id);
- /* Does Agg node already exist ? */
- if (agg_node)
- return status;
-
- aggl = ice_sched_get_agg_layer(hw);
-
- /* need one node in Agg layer */
- num_nodes[aggl] = 1;
-
- /* Check whether the intermediate nodes have space to add the
- * new agg. If they are full, then SW needs to allocate a new
- * intermediate node on those layers
- */
- for (i = hw->sw_entry_point_layer; i < aggl; i++) {
- parent = ice_sched_get_first_node(hw, tc_node, i);
-
- /* scan all the siblings */
- while (parent) {
- if (parent->num_children < hw->max_children[i])
- break;
- parent = parent->sibling;
- }
-
- /* all the nodes are full, reserve one for this layer */
- if (!parent)
- num_nodes[i]++;
- }
-
- /* add the agg node */
- parent = tc_node;
- for (i = hw->sw_entry_point_layer; i <= aggl; i++) {
- if (!parent)
- return ICE_ERR_CFG;
-
- status = ice_sched_add_nodes_to_layer(pi, tc_node, parent, i,
- num_nodes[i],
- &first_node_teid,
- &num_nodes_added);
- if (status != ICE_SUCCESS || num_nodes[i] != num_nodes_added)
- return ICE_ERR_CFG;
-
- /* The newly added node can be a new parent for the next
- * layer nodes
- */
- if (num_nodes_added) {
- parent = ice_sched_find_node_by_teid(tc_node,
- first_node_teid);
- /* register the aggregator id with the agg node */
- if (parent && i == aggl)
- parent->agg_id = agg_id;
- } else {
- parent = parent->children[0];
- }
- }
-
- return ICE_SUCCESS;
-}
-
-/**
- * ice_sched_is_agg_inuse - check whether the agg is in use or not
- * @pi: port information structure
- * @node: node pointer
- *
- * This function checks whether the agg is attached with any vsi or not.
- */
-static bool
-ice_sched_is_agg_inuse(struct ice_port_info *pi, struct ice_sched_node *node)
-{
- u8 vsil, i;
-
- vsil = ice_sched_get_vsi_layer(pi->hw);
- if (node->tx_sched_layer < vsil - 1) {
- for (i = 0; i < node->num_children; i++)
- if (ice_sched_is_agg_inuse(pi, node->children[i]))
- return true;
- return false;
- } else {
- return node->num_children ? true : false;
- }
-}
-
-/**
- * ice_sched_rm_agg_cfg - remove the aggregator node
- * @pi: port information structure
- * @agg_id: aggregator id
- * @tc: TC number
- *
- * This function removes the aggregator node and intermediate nodes if any
- * from the given TC
- */
-enum ice_status
-ice_sched_rm_agg_cfg(struct ice_port_info *pi, u32 agg_id, u8 tc)
-{
- struct ice_sched_node *tc_node, *agg_node;
- struct ice_hw *hw = pi->hw;
-
- tc_node = ice_sched_get_tc_node(pi, tc);
- if (!tc_node)
- return ICE_ERR_CFG;
-
- agg_node = ice_sched_get_agg_node(hw, tc_node, agg_id);
- if (!agg_node)
- return ICE_ERR_DOES_NOT_EXIST;
-
- /* Can't remove the agg node if it has children */
- if (ice_sched_is_agg_inuse(pi, agg_node))
- return ICE_ERR_IN_USE;
-
- /* need to remove the whole subtree if agg node is the
- * only child.
- */
- while (agg_node->tx_sched_layer > hw->sw_entry_point_layer) {
- struct ice_sched_node *parent = agg_node->parent;
-
- if (!parent)
- return ICE_ERR_CFG;
-
- if (parent->num_children > 1)
- break;
-
- agg_node = parent;
- }
-
- ice_free_sched_node(pi, agg_node);
- return ICE_SUCCESS;
-}
-
-/**
- * ice_sched_get_free_vsi_parent - Find a free parent node in agg subtree
- * @hw: pointer to the hw struct
- * @node: pointer to a child node
- * @num_nodes: num nodes count array
- *
- * This function walks through the aggregator subtree to find a free parent
- * node
- */
-static struct ice_sched_node *
-ice_sched_get_free_vsi_parent(struct ice_hw *hw, struct ice_sched_node *node,
- u16 *num_nodes)
-{
- u8 l = node->tx_sched_layer;
- u8 vsil, i;
-
- vsil = ice_sched_get_vsi_layer(hw);
-
- /* Is it VSI parent layer ? */
- if (l == vsil - 1)
- return (node->num_children < hw->max_children[l]) ? node : NULL;
-
- /* We have intermediate nodes. Let's walk through the subtree. If the
- * intermediate node has space to add a new node then clear the count
- */
- if (node->num_children < hw->max_children[l])
- num_nodes[l] = 0;
- /* The below recursive call is intentional and wouldn't go more than
- * 2 or 3 iterations.
- */
-
- for (i = 0; i < node->num_children; i++) {
- struct ice_sched_node *parent;
-
- parent = ice_sched_get_free_vsi_parent(hw, node->children[i],
- num_nodes);
- if (parent)
- return parent;
- }
-
- return NULL;
-}
-
-/**
- * ice_sched_update_new_parent - update the new parent in SW DB
- * @new_parent: pointer to a new parent node
- * @node: pointer to a child node
- *
- * This function removes the child from the old parent and adds it to a new
- * parent
- */
-static void
-ice_sched_update_parent(struct ice_sched_node *new_parent,
- struct ice_sched_node *node)
-{
- struct ice_sched_node *old_parent;
- u8 i, j;
+ goto exit_set_vsi_bw_shared_lmt;
+ /* Return success if no nodes are present across TC */
+ ice_for_each_traffic_class(tc) {
+ struct ice_sched_node *tc_node, *vsi_node;
+ enum ice_rl_type rl_type = ICE_SHARED_BW;
- old_parent = node->parent;
+ tc_node = ice_sched_get_tc_node(pi, tc);
+ if (!tc_node)
+ continue;
- /* update the old parent children */
- for (i = 0; i < old_parent->num_children; i++)
- if (old_parent->children[i] == node) {
- for (j = i + 1; j < old_parent->num_children; j++)
- old_parent->children[j - 1] =
- old_parent->children[j];
- old_parent->num_children--;
+ vsi_node = ice_sched_get_vsi_node(pi->hw, tc_node, vsi_handle);
+ if (!vsi_node)
+ continue;
+
+ if (bw == ICE_SCHED_DFLT_BW)
+ /* It removes existing SRL from the node */
+ status = ice_sched_set_node_bw_dflt_lmt(pi, vsi_node,
+ rl_type);
+ else
+ status = ice_sched_set_node_bw_lmt(pi, vsi_node,
+ rl_type, bw);
+ if (status)
break;
- }
+ status = ice_sched_save_vsi_bw(pi, vsi_handle, tc, rl_type, bw);
+ if (status)
+ break;
+ }
- /* now move the node to a new parent */
- new_parent->children[new_parent->num_children++] = node;
- node->parent = new_parent;
- node->info.parent_teid = new_parent->info.node_teid;
+exit_set_vsi_bw_shared_lmt:
+ ice_release_lock(&pi->sched_lock);
+ return status;
}
/**
- * ice_sched_move_nodes - move child nodes to a given parent
+ * ice_sched_validate_agg_srl_node - validate AGG SRL node
* @pi: port information structure
- * @parent: pointer to parent node
- * @num_items: number of child nodes to be moved
- * @list: pointer to child node teids
+ * @agg_id: aggregator ID
*
- * This function move the child nodes to a given parent.
+ * This function validates SRL node of the AGG node if available SRL layer is
+ * different than the AGG node layer on all TC(s).This function needs to be
+ * called with scheduler lock held.
*/
static enum ice_status
-ice_sched_move_nodes(struct ice_port_info *pi, struct ice_sched_node *parent,
- u16 num_items, u32 *list)
+ice_sched_validate_agg_srl_node(struct ice_port_info *pi, u32 agg_id)
{
- struct ice_aqc_move_elem *buf;
- struct ice_sched_node *node;
+ u8 sel_layer = ICE_SCHED_INVAL_LAYER_NUM;
+ struct ice_sched_agg_info *agg_info;
+ bool agg_id_present = false;
enum ice_status status = ICE_SUCCESS;
- struct ice_hw *hw;
- u16 grps_movd = 0;
- u8 i;
-
- hw = pi->hw;
+ u8 tc;
- if (!parent || !num_items)
+ LIST_FOR_EACH_ENTRY(agg_info, &pi->hw->agg_list, ice_sched_agg_info,
+ list_entry)
+ if (agg_info->agg_id == agg_id) {
+ agg_id_present = true;
+ break;
+ }
+ if (!agg_id_present)
return ICE_ERR_PARAM;
+ /* Return success if no nodes are present across TC */
+ ice_for_each_traffic_class(tc) {
+ struct ice_sched_node *tc_node, *agg_node;
+ enum ice_rl_type rl_type = ICE_SHARED_BW;
- /* Does parent have enough space */
- if (parent->num_children + num_items >=
- hw->max_children[parent->tx_sched_layer])
- return ICE_ERR_AQ_FULL;
-
- buf = (struct ice_aqc_move_elem *) ice_malloc(hw, sizeof(*buf));
- if (!buf)
- return ICE_ERR_NO_MEMORY;
+ tc_node = ice_sched_get_tc_node(pi, tc);
+ if (!tc_node)
+ continue;
- for (i = 0; i < num_items; i++) {
- node = ice_sched_find_node_by_teid(pi->root, list[i]);
- if (!node) {
- status = ICE_ERR_PARAM;
- goto move_err_exit;
- }
+ agg_node = ice_sched_get_agg_node(pi->hw, tc_node, agg_id);
+ if (!agg_node)
+ continue;
+ /* SRL bandwidth layer selection */
+ if (sel_layer == ICE_SCHED_INVAL_LAYER_NUM) {
+ u8 node_layer = agg_node->tx_sched_layer;
+ u8 layer_num;
- buf->hdr.src_parent_teid = node->info.parent_teid;
- buf->hdr.dest_parent_teid = parent->info.node_teid;
- buf->teid[0] = node->info.node_teid;
- buf->hdr.num_elems = CPU_TO_LE16(1);
- status = ice_aq_move_sched_elems(hw, 1, buf, sizeof(*buf),
- &grps_movd, NULL);
- if (status && grps_movd != 1) {
- status = ICE_ERR_CFG;
- goto move_err_exit;
+ layer_num = ice_sched_get_rl_prof_layer(pi, rl_type,
+ node_layer);
+ if (layer_num >= pi->hw->num_tx_sched_layers)
+ return ICE_ERR_PARAM;
+ sel_layer = layer_num;
}
- /* update the SW DB */
- ice_sched_update_parent(parent, node);
+ status = ice_sched_validate_srl_node(agg_node, sel_layer);
+ if (status)
+ break;
}
-
-move_err_exit:
- ice_free(hw, buf);
return status;
}
/**
- * ice_sched_move_vsi_to_agg - move VSI to aggregator node
+ * ice_sched_set_agg_bw_shared_lmt - set aggregator BW shared limit
* @pi: port information structure
- * @vsi_handle: software VSI handle
- * @agg_id: aggregator id
- * @tc: TC number
+ * @agg_id: aggregator ID
+ * @bw: bandwidth in Kbps
*
- * This function moves a VSI to an aggregator node or its subtree.
- * Intermediate nodes may be created if required.
+ * This function configures the shared rate limiter(SRL) of all aggregator type
+ * nodes across all traffic classes for aggregator matching agg_id. When
+ * BW value of ICE_SCHED_DFLT_BW is passed, it removes SRL from the
+ * node(s).
*/
enum ice_status
-ice_sched_move_vsi_to_agg(struct ice_port_info *pi, u16 vsi_handle, u32 agg_id,
- u8 tc)
+ice_sched_set_agg_bw_shared_lmt(struct ice_port_info *pi, u32 agg_id, u32 bw)
{
- struct ice_sched_node *vsi_node, *agg_node, *tc_node, *parent;
- u16 num_nodes[ICE_AQC_TOPO_MAX_LEVEL_NUM] = { 0 };
- u32 first_node_teid, vsi_teid;
- enum ice_status status;
- u16 num_nodes_added;
- u8 aggl, vsil, i;
+ struct ice_sched_agg_info *agg_info;
+ struct ice_sched_agg_info *tmp;
+ bool agg_id_present = false;
+ enum ice_status status = ICE_SUCCESS;
+ u8 tc;
- tc_node = ice_sched_get_tc_node(pi, tc);
- if (!tc_node)
- return ICE_ERR_CFG;
+ if (!pi)
+ return ICE_ERR_PARAM;
- agg_node = ice_sched_get_agg_node(pi->hw, tc_node, agg_id);
- if (!agg_node)
- return ICE_ERR_DOES_NOT_EXIST;
+ ice_acquire_lock(&pi->sched_lock);
+ status = ice_sched_validate_agg_srl_node(pi, agg_id);
+ if (status)
+ goto exit_agg_bw_shared_lmt;
- vsi_node = ice_sched_get_vsi_node(pi->hw, tc_node, vsi_handle);
- if (!vsi_node)
- return ICE_ERR_DOES_NOT_EXIST;
+ LIST_FOR_EACH_ENTRY_SAFE(agg_info, tmp, &pi->hw->agg_list,
+ ice_sched_agg_info, list_entry)
+ if (agg_info->agg_id == agg_id) {
+ agg_id_present = true;
+ break;
+ }
- aggl = ice_sched_get_agg_layer(pi->hw);
- vsil = ice_sched_get_vsi_layer(pi->hw);
+ if (!agg_id_present) {
+ status = ICE_ERR_PARAM;
+ goto exit_agg_bw_shared_lmt;
+ }
- /* initialize intermediate node count to 1 between agg and VSI layers */
- for (i = aggl + 1; i < vsil; i++)
- num_nodes[i] = 1;
+ /* Return success if no nodes are present across TC */
+ ice_for_each_traffic_class(tc) {
+ enum ice_rl_type rl_type = ICE_SHARED_BW;
+ struct ice_sched_node *tc_node, *agg_node;
- /* Check whether the agg subtree has any free node to add the VSI */
- for (i = 0; i < agg_node->num_children; i++) {
- parent = ice_sched_get_free_vsi_parent(pi->hw,
- agg_node->children[i],
- num_nodes);
- if (parent)
- goto move_nodes;
- }
+ tc_node = ice_sched_get_tc_node(pi, tc);
+ if (!tc_node)
+ continue;
- /* add new nodes */
- parent = agg_node;
- for (i = aggl + 1; i < vsil; i++) {
- status = ice_sched_add_nodes_to_layer(pi, tc_node, parent, i,
- num_nodes[i],
- &first_node_teid,
- &num_nodes_added);
- if (status != ICE_SUCCESS || num_nodes[i] != num_nodes_added)
- return ICE_ERR_CFG;
+ agg_node = ice_sched_get_agg_node(pi->hw, tc_node, agg_id);
+ if (!agg_node)
+ continue;
- /* The newly added node can be a new parent for the next
- * layer nodes
- */
- if (num_nodes_added)
- parent = ice_sched_find_node_by_teid(tc_node,
- first_node_teid);
+ if (bw == ICE_SCHED_DFLT_BW)
+ /* It removes existing SRL from the node */
+ status = ice_sched_set_node_bw_dflt_lmt(pi, agg_node,
+ rl_type);
else
- parent = parent->children[0];
-
- if (!parent)
- return ICE_ERR_CFG;
+ status = ice_sched_set_node_bw_lmt(pi, agg_node,
+ rl_type, bw);
+ if (status)
+ break;
+ status = ice_sched_save_agg_bw(pi, agg_id, tc, rl_type, bw);
+ if (status)
+ break;
}
-move_nodes:
- vsi_teid = LE32_TO_CPU(vsi_node->info.node_teid);
- return ice_sched_move_nodes(pi, parent, 1, &vsi_teid);
+exit_agg_bw_shared_lmt:
+ ice_release_lock(&pi->sched_lock);
+ return status;
+}
+
+/**
+ * ice_sched_cfg_sibl_node_prio - configure node sibling priority
+ * @hw: pointer to the HW struct
+ * @node: sched node to configure
+ * @priority: sibling priority
+ *
+ * This function configures node element's sibling priority only. This
+ * function needs to be called with scheduler lock held.
+ */
+enum ice_status
+ice_sched_cfg_sibl_node_prio(struct ice_hw *hw, struct ice_sched_node *node,
+ u8 priority)
+{
+ struct ice_aqc_txsched_elem_data buf;
+ struct ice_aqc_txsched_elem *data;
+ enum ice_status status;
+
+ buf = node->info;
+ data = &buf.data;
+ data->valid_sections |= ICE_AQC_ELEM_VALID_GENERIC;
+ priority = (priority << ICE_AQC_ELEM_GENERIC_PRIO_S) &
+ ICE_AQC_ELEM_GENERIC_PRIO_M;
+ data->generic &= ~ICE_AQC_ELEM_GENERIC_PRIO_M;
+ data->generic |= priority;
+
+ /* Configure element */
+ status = ice_sched_update_elem(hw, node, &buf);
+ return status;
}
/**
* ice_cfg_rl_burst_size - Set burst size value
- * @hw: pointer to the hw struct
+ * @hw: pointer to the HW struct
* @bytes: burst size in bytes
*
* This function configures/set the burst size to requested new value. The new
burst_size_to_prog = ICE_BYTE_GRANULARITY;
/* round number to nearest 256 granularity */
bytes = ice_round_to_num(bytes, 256);
- /* check rounding doesn't go beyound allowed */
+ /* check rounding doesn't go beyond allowed */
if (bytes > ICE_MAX_BURST_SIZE_BYTE_GRANULARITY)
bytes = ICE_MAX_BURST_SIZE_BYTE_GRANULARITY;
burst_size_to_prog |= (u16)bytes;
burst_size_to_prog = ICE_KBYTE_GRANULARITY;
/* round number to nearest 1024 granularity */
bytes = ice_round_to_num(bytes, 1024);
- /* check rounding doesn't go beyound allowed */
+ /* check rounding doesn't go beyond allowed */
if (bytes > ICE_MAX_BURST_SIZE_KBYTE_GRANULARITY)
bytes = ICE_MAX_BURST_SIZE_KBYTE_GRANULARITY;
/* The value is in k bytes */
/*
* ice_sched_replay_node_prio - re-configure node priority
- * @hw: pointer to the hw struct
+ * @hw: pointer to the HW struct
* @node: sched node to configure
* @priority: priority value
*
}
/**
- * ice_sched_replay_node_bw - replay node(s) bw
- * @hw: pointer to the hw struct
+ * ice_sched_replay_node_bw - replay node(s) BW
+ * @hw: pointer to the HW struct
* @node: sched node to configure
- * @bw_t_info: bw type information
+ * @bw_t_info: BW type information
*
- * This function restores node's bw from bw_t_info. The caller needs
+ * This function restores node's BW from bw_t_info. The caller needs
* to hold the scheduler lock.
*/
static enum ice_status
}
/**
- * ice_sched_replay_agg_bw - replay aggregator node(s) bw
- * @hw: pointer to the hw struct
+ * ice_sched_replay_agg_bw - replay aggregator node(s) BW
+ * @hw: pointer to the HW struct
* @agg_info: aggregator data structure
*
* This function re-creates aggregator type nodes. The caller needs to hold
if (!agg_info)
return ICE_ERR_PARAM;
- for (tc = 0; tc < ICE_MAX_TRAFFIC_CLASS; tc++) {
+ ice_for_each_traffic_class(tc) {
if (!ice_is_any_bit_set(agg_info->bw_t_info[tc].bw_t_bitmap,
ICE_BW_TYPE_CNT))
continue;
{
u8 tc;
- /* Some tc(s) may be missing after reset, adjust for replay */
- for (tc = 0; tc < ICE_MAX_TRAFFIC_CLASS; tc++)
+ /* Some TC(s) may be missing after reset, adjust for replay */
+ ice_for_each_traffic_class(tc)
if (ice_is_tc_ena(*tc_bitmap, tc) &&
(ice_sched_get_tc_node(pi, tc)))
ice_set_bit(tc, ena_tc_bitmap);
/**
* ice_sched_replay_agg - recreate aggregator node(s)
- * @hw: pointer to the hw struct
+ * @hw: pointer to the HW struct
*
* This function recreate aggregator type nodes which are not replayed earlier.
- * It also replay aggregator bw information. These aggregator nodes are not
+ * It also replay aggregator BW information. These aggregator nodes are not
* associated with VSI type node yet.
*/
void ice_sched_replay_agg(struct ice_hw *hw)
ice_acquire_lock(&pi->sched_lock);
LIST_FOR_EACH_ENTRY(agg_info, &hw->agg_list, ice_sched_agg_info,
list_entry) {
- /* replay agg (re-create aggregator node) */
+ /* replay aggregator (re-create aggregator node) */
if (!ice_cmp_bitmap(agg_info->tc_bitmap,
agg_info->replay_tc_bitmap,
ICE_MAX_TRAFFIC_CLASS)) {
/* Move on to next one */
continue;
}
- /* Replay agg node bw (restore agg bw) */
+ /* Replay aggregator node BW (restore aggregator BW) */
status = ice_sched_replay_agg_bw(hw, agg_info);
if (status)
ice_info(hw, "Replay agg bw [id=%d] failed\n",
/**
* ice_sched_replay_agg_vsi_preinit - Agg/VSI replay pre initialization
- * @hw: pointer to the hw struct
+ * @hw: pointer to the HW struct
*
* This function initialize aggregator(s) TC bitmap to zero. A required
* preinit step for replaying aggregators.
}
/**
- * ice_sched_replay_tc_node_bw - replay tc node(s) bw
- * @hw: pointer to the hw struct
+ * ice_sched_replay_tc_node_bw - replay TC node(s) BW
+ * @hw: pointer to the HW struct
*
- * This function replay tc nodes. The caller needs to hold the scheduler lock.
+ * This function replay TC nodes. The caller needs to hold the scheduler lock.
*/
enum ice_status
ice_sched_replay_tc_node_bw(struct ice_hw *hw)
u8 tc;
ice_acquire_lock(&pi->sched_lock);
- for (tc = 0; tc < ICE_MAX_TRAFFIC_CLASS; tc++) {
+ ice_for_each_traffic_class(tc) {
struct ice_sched_node *tc_node;
tc_node = ice_sched_get_tc_node(hw->port_info, tc);
if (!tc_node)
- continue; /* tc not present */
+ continue; /* TC not present */
status = ice_sched_replay_node_bw(hw, tc_node,
&hw->tc_node_bw_t_info[tc]);
if (status)
}
/**
- * ice_sched_replay_vsi_bw - replay VSI type node(s) bw
- * @hw: pointer to the hw struct
+ * ice_sched_replay_vsi_bw - replay VSI type node(s) BW
+ * @hw: pointer to the HW struct
* @vsi_handle: software VSI handle
* @tc_bitmap: 8 bits TC bitmap
*
vsi_ctx = ice_get_vsi_ctx(pi->hw, vsi_handle);
if (!vsi_ctx)
return ICE_ERR_PARAM;
- for (tc = 0; tc < ICE_MAX_TRAFFIC_CLASS; tc++) {
+ ice_for_each_traffic_class(tc) {
if (!ice_is_tc_ena(*tc_bitmap, tc))
continue;
tc_node = ice_sched_get_tc_node(pi, tc);
}
/**
- * ice_sched_replay_vsi_agg - replay agg & VSI to aggregator node(s)
- * @hw: pointer to the hw struct
+ * ice_sched_replay_vsi_agg - replay aggregator & VSI to aggregator node(s)
+ * @hw: pointer to the HW struct
* @vsi_handle: software VSI handle
*
* This function replays aggregator node, VSI to aggregator type nodes, and
return ICE_SUCCESS; /* Not present in list - default Agg case */
ice_sched_get_ena_tc_bitmap(pi, agg_info->replay_tc_bitmap,
replay_bitmap);
- /* Replay agg node associated to vsi_handle */
+ /* Replay aggregator node associated to vsi_handle */
status = ice_sched_cfg_agg(hw->port_info, agg_info->agg_id,
ICE_AGG_TYPE_AGG, replay_bitmap);
if (status)
return status;
- /* Replay agg node bw (restore agg bw) */
+ /* Replay aggregator node BW (restore aggregator BW) */
status = ice_sched_replay_agg_bw(hw, agg_info);
if (status)
return status;
replay_bitmap);
if (status)
return status;
- /* Replay VSI bw (restore VSI bw) */
+ /* Replay VSI BW (restore VSI BW) */
return ice_sched_replay_vsi_bw(hw, vsi_handle,
agg_vsi_info->tc_bitmap);
}
/**
* ice_replay_vsi_agg - replay VSI to aggregator node
- * @hw: pointer to the hw struct
+ * @hw: pointer to the HW struct
* @vsi_handle: software VSI handle
*
* This function replays association of VSI to aggregator type nodes, and
git.droids-corp.org / dpdk.git / blobdiff