dev/ice/ice_sched.c

79  * layers it has searched through; stopping at the max supported layer.
92 	/* The node has no children or is at the max layer */
172  * @layer: Scheduler layer of the node
178 ice_sched_add_node(struct ice_port_info *pi, u8 layer,
210 	if (hw->max_children[layer]) {
213 			ice_calloc(hw, hw->max_children[layer], sizeof(*node));
222 	node->tx_sched_layer = layer;
288  * ice_sched_get_first_node - get the first node of the given layer
291  * @layer: layer number
293  * This function retrieves the first node of the given layer from the subtree
297 			 struct ice_sched_node *parent, u8 layer)
299 	return pi->sib_head[parent->tc_num][layer];
901  * @layer: layer number to add nodes
906  * This function add nodes to HW as well as to SW DB for a given layer
910 		    struct ice_sched_node *parent, u8 layer, u16 num_nodes,
957 		status = ice_sched_add_node(pi, layer, &buf->generic[i]);
976 		prev = ice_sched_get_first_node(pi, tc_node, layer);
984 		if (!pi->sib_head[tc_node->tc_num][layer])
985 			pi->sib_head[tc_node->tc_num][layer] = new_node;
996  * ice_sched_add_nodes_to_layer - Add nodes to a given layer
1000  * @layer: layer number to add nodes
1005  * This function add nodes to a given layer.
1010 			     struct ice_sched_node *parent, u8 layer,
1026 	if (!parent || layer < hw->sw_entry_point_layer)
1029 	/* max children per node per layer */
1045 							      parent, layer,
1068 		 * 1024 / 8 = 128 layer 8 nodes
1072 						      layer, new_num_nodes,
1079 	status = ice_sched_add_elems(pi, tc_node, parent, layer, num_nodes,
1085  * ice_sched_get_qgrp_layer - get the current queue group layer number
1088  * This function returns the current queue group layer number
1097  * ice_sched_get_vsi_layer - get the current VSI layer number
1100  * This function returns the current VSI layer number
1104 	/* Num Layers       VSI layer
1109 	/* calculate the VSI layer based on number of layers. */
1111 		u8 layer = hw->num_tx_sched_layers - ICE_VSI_LAYER_OFFSET;
1113 		if (layer > hw->sw_entry_point_layer)
1114 			return layer;
1120  * ice_sched_get_agg_layer - get the current aggregator layer number
1123  * This function returns the current aggregator layer number
1127 	/* Num Layers       aggregator layer
1131 	/* calculate the aggregator layer based on number of layers. */
1133 		u8 layer = hw->num_tx_sched_layers - ICE_AGG_LAYER_OFFSET;
1135 		if (layer > hw->sw_entry_point_layer)
1136 			return layer;
1251 	 * layer is two less than the number of elements.
1360 	/* max sibling group size of current layer refers to the max children
1361 	 * of the below layer node.
1362 	 * layer 1 node max children will be layer 2 max sibling group size
1363 	 * layer 2 node max children will be layer 3 max sibling group size
1365 	 * qgroup layer 7. Leaf node has no children.
1657 	/* calculate num nodes from queue group to VSI layer */
1672  * @num_nodes: pointer to the num nodes that needs to be added per layer
1705 		 * layer nodes
1805 		 * layer nodes
2209 	/* Is it VSI parent layer ? */
2393 		 * layer nodes
2611 	/* need one node in Agg layer */
2628 		/* all the nodes are full, reserve one for this layer */
2647 		 * layer nodes
3914  * @layer_num: specifies in which layer to create profile
4068  * ice_sched_get_rl_prof_layer - selects rate limit profile creation layer
4071  * @layer_index: layer index
4073  * This function returns requested profile creation layer.
4093 		/* if current layer doesn't support SRL profile creation
4094 		 * then try a layer up or down.
4114  * @srl_layer: shared rate limit layer
4136  * @layer_num: layer number where profiles are saved
4140  * This function removes rate limit profile from layer 'layer_num' of type
4179  * @layer_num: layer number where RL profiles are saved
4235  * @layer_num: layer number
4335  * @sel_layer: selected SRL layer
4337  * This function checks if the SRL can be applied to a selceted layer node on
4347 	 * selected layer's node has single child.
4421 	/* SRL bandwidth layer selection */
4423 		u8 sel_layer; /* selected layer */
4824  * This function validates SRL node of the VSI node if available SRL layer is
4825  * different than the VSI node layer on all TC(s).This function needs to be
4851 		/* SRL bandwidth layer selection */
5015  * This function validates SRL node of the AGG node if available SRL layer is
5016  * different than the AGG node layer on all TC(s).This function needs to be
5048 		/* SRL bandwidth layer selection */