diff options
Diffstat (limited to 'drivers/net/ethernet/intel/ice/ice_sched.c')
| -rw-r--r-- | drivers/net/ethernet/intel/ice/ice_sched.c | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/drivers/net/ethernet/intel/ice/ice_sched.c b/drivers/net/ethernet/intel/ice/ice_sched.c index f355f59d8b64..56049739a250 100644 --- a/drivers/net/ethernet/intel/ice/ice_sched.c +++ b/drivers/net/ethernet/intel/ice/ice_sched.c @@ -1616,6 +1616,23 @@ ice_sched_rm_agg_vsi_info(struct ice_port_info *pi, u16 vsi_handle) } /** + * ice_sched_is_leaf_node_present - check for a leaf node in the sub-tree + * @node: pointer to the sub-tree node + * + * This function checks for a leaf node presence in a given sub-tree node. + */ +static bool ice_sched_is_leaf_node_present(struct ice_sched_node *node) +{ + u8 i; + + for (i = 0; i < node->num_children; i++) + if (ice_sched_is_leaf_node_present(node->children[i])) + return true; + /* check for a leaf node */ + return (node->info.data.elem_type == ICE_AQC_ELEM_TYPE_LEAF); +} + +/** * ice_sched_rm_vsi_cfg - remove the VSI and its children nodes * @pi: port information structure * @vsi_handle: software VSI handle @@ -1649,6 +1666,12 @@ ice_sched_rm_vsi_cfg(struct ice_port_info *pi, u16 vsi_handle, u8 owner) if (!vsi_node) continue; + if (ice_sched_is_leaf_node_present(vsi_node)) { + ice_debug(pi->hw, ICE_DBG_SCHED, + "VSI has leaf nodes in TC %d\n", i); + status = ICE_ERR_IN_USE; + goto exit_sched_rm_vsi_cfg; + } while (j < vsi_node->num_children) { if (vsi_node->children[j]->owner == owner) { ice_free_sched_node(pi, vsi_node->children[j]); |