diff options
Diffstat (limited to 'drivers/net/ethernet/intel/ice/ice_sched.c')
| -rw-r--r-- | drivers/net/ethernet/intel/ice/ice_sched.c | 122 |
1 files changed, 113 insertions, 9 deletions
diff --git a/drivers/net/ethernet/intel/ice/ice_sched.c b/drivers/net/ethernet/intel/ice/ice_sched.c index 7cc8aa18a22b..a1681853df2e 100644 --- a/drivers/net/ethernet/intel/ice/ice_sched.c +++ b/drivers/net/ethernet/intel/ice/ice_sched.c @@ -630,7 +630,7 @@ static void ice_sched_clear_tx_topo(struct ice_port_info *pi) * * Cleanup scheduling elements from SW DB */ -static void ice_sched_clear_port(struct ice_port_info *pi) +void ice_sched_clear_port(struct ice_port_info *pi) { if (!pi || pi->port_state != ICE_SCHED_PORT_STATE_READY) return; @@ -894,8 +894,7 @@ static u8 ice_sched_get_vsi_layer(struct ice_hw *hw) * This function removes the leaf node that was created by the FW * during initialization */ -static void -ice_rm_dflt_leaf_node(struct ice_port_info *pi) +static void ice_rm_dflt_leaf_node(struct ice_port_info *pi) { struct ice_sched_node *node; @@ -923,8 +922,7 @@ ice_rm_dflt_leaf_node(struct ice_port_info *pi) * This function frees all the nodes except root and TC that were created by * the FW during initialization */ -static void -ice_sched_rm_dflt_nodes(struct ice_port_info *pi) +static void ice_sched_rm_dflt_nodes(struct ice_port_info *pi) { struct ice_sched_node *node; @@ -1339,7 +1337,7 @@ ice_sched_rm_vsi_child_nodes(struct ice_port_info *pi, * @num_nodes: pointer to num nodes array * * This function calculates the number of supported nodes needed to add this - * VSI into tx tree including the VSI, parent and intermediate nodes in below + * VSI into Tx tree including the VSI, parent and intermediate nodes in below * layers */ static void @@ -1376,13 +1374,13 @@ ice_sched_calc_vsi_support_nodes(struct ice_hw *hw, } /** - * ice_sched_add_vsi_support_nodes - add VSI supported nodes into tx tree + * ice_sched_add_vsi_support_nodes - add VSI supported nodes into Tx tree * @pi: port information structure * @vsi_handle: software VSI handle * @tc_node: pointer to TC node * @num_nodes: pointer to num nodes array * - * This function adds the VSI supported nodes into tx tree including the + * This function adds the VSI supported nodes into Tx tree including the * VSI, its parent and intermediate nodes in below layers */ static enum ice_status @@ -1527,7 +1525,7 @@ ice_sched_update_vsi_child_nodes(struct ice_port_info *pi, u16 vsi_handle, } /** - * ice_sched_cfg_vsi - configure the new/exisiting VSI + * ice_sched_cfg_vsi - configure the new/existing VSI * @pi: port information structure * @vsi_handle: software VSI handle * @tc: TC number @@ -1605,3 +1603,109 @@ ice_sched_cfg_vsi(struct ice_port_info *pi, u16 vsi_handle, u8 tc, u16 maxqs, return status; } + +/** + * ice_sched_rm_agg_vsi_entry - remove agg related VSI info entry + * @pi: port information structure + * @vsi_handle: software VSI handle + * + * This function removes single aggregator VSI info entry from + * aggregator list. + */ +static void +ice_sched_rm_agg_vsi_info(struct ice_port_info *pi, u16 vsi_handle) +{ + struct ice_sched_agg_info *agg_info; + struct ice_sched_agg_info *atmp; + + list_for_each_entry_safe(agg_info, atmp, &pi->agg_list, list_entry) { + struct ice_sched_agg_vsi_info *agg_vsi_info; + struct ice_sched_agg_vsi_info *vtmp; + + list_for_each_entry_safe(agg_vsi_info, vtmp, + &agg_info->agg_vsi_list, list_entry) + if (agg_vsi_info->vsi_handle == vsi_handle) { + list_del(&agg_vsi_info->list_entry); + devm_kfree(ice_hw_to_dev(pi->hw), + agg_vsi_info); + return; + } + } +} + +/** + * 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 + * + * This function removes the VSI and its LAN or RDMA children nodes from the + * scheduler tree. + */ +static enum ice_status +ice_sched_rm_vsi_cfg(struct ice_port_info *pi, u16 vsi_handle, u8 owner) +{ + enum ice_status status = ICE_ERR_PARAM; + struct ice_vsi_ctx *vsi_ctx; + u8 i, j = 0; + + if (!ice_is_vsi_valid(pi->hw, vsi_handle)) + return status; + mutex_lock(&pi->sched_lock); + vsi_ctx = ice_get_vsi_ctx(pi->hw, vsi_handle); + if (!vsi_ctx) + goto exit_sched_rm_vsi_cfg; + + for (i = 0; i < ICE_MAX_TRAFFIC_CLASS; i++) { + struct ice_sched_node *vsi_node, *tc_node; + + tc_node = ice_sched_get_tc_node(pi, i); + if (!tc_node) + continue; + + vsi_node = ice_sched_get_vsi_node(pi->hw, tc_node, vsi_handle); + if (!vsi_node) + continue; + + while (j < vsi_node->num_children) { + if (vsi_node->children[j]->owner == owner) { + ice_free_sched_node(pi, vsi_node->children[j]); + + /* reset the counter again since the num + * children will be updated after node removal + */ + j = 0; + } else { + j++; + } + } + /* remove the VSI if it has no children */ + if (!vsi_node->num_children) { + ice_free_sched_node(pi, vsi_node); + vsi_ctx->sched.vsi_node[i] = NULL; + + /* clean up agg related vsi info if any */ + ice_sched_rm_agg_vsi_info(pi, vsi_handle); + } + if (owner == ICE_SCHED_NODE_OWNER_LAN) + vsi_ctx->sched.max_lanq[i] = 0; + } + status = 0; + +exit_sched_rm_vsi_cfg: + mutex_unlock(&pi->sched_lock); + return status; +} + +/** + * 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 + * for all TCs. + */ +enum ice_status ice_rm_vsi_lan_cfg(struct ice_port_info *pi, u16 vsi_handle) +{ + return ice_sched_rm_vsi_cfg(pi, vsi_handle, ICE_SCHED_NODE_OWNER_LAN); +} |