net/ice: clear QoS bandwidth on DCF close

[dpdk.git] / drivers / net / ice / ice_dcf_sched.c

diff --git a/drivers/net/ice/ice_dcf_sched.c b/drivers/net/ice/ice_dcf_sched.c
index 1e16654..090988c 100644 (file)
--- a/drivers/net/ice/ice_dcf_sched.c
+++ b/drivers/net/ice/ice_dcf_sched.c
@@ -32,6 +32,9 @@ const struct rte_tm_ops ice_dcf_tm_ops = {
        .node_delete = ice_dcf_node_delete,
 };
 
+#define ICE_DCF_SCHED_TC_NODE 0xffff
+#define ICE_DCF_VFID   0
+
 void
 ice_dcf_tm_conf_init(struct rte_eth_dev *dev)
 {
@@ -709,6 +712,32 @@ ice_dcf_replay_vf_bw(struct ice_dcf_hw *hw, uint16_t vf_id)
        return ICE_SUCCESS;
 }
 
+int
+ice_dcf_clear_bw(struct ice_dcf_hw *hw)
+{
+       uint16_t vf_id;
+       uint32_t tc;
+       int ret, size;
+
+       size = sizeof(struct virtchnl_dcf_bw_cfg_list) +
+               sizeof(struct virtchnl_dcf_bw_cfg) *
+               (hw->tm_conf.nb_tc_node - 1);
+
+       for (vf_id = 0; vf_id < hw->num_vfs; vf_id++) {
+               for (tc = 0; tc < hw->tm_conf.nb_tc_node; tc++) {
+                       hw->qos_bw_cfg[vf_id]->cfg[tc].shaper.peak = 0;
+                       hw->qos_bw_cfg[vf_id]->cfg[tc].shaper.committed = 0;
+               }
+               ret = ice_dcf_set_vf_bw(hw, hw->qos_bw_cfg[vf_id], size);
+               if (ret) {
+                       PMD_DRV_LOG(DEBUG, "VF %u BW clear failed", vf_id);
+                       return ICE_ERR_CFG;
+               }
+       }
+
+       return ICE_SUCCESS;
+}
+
 static int ice_dcf_hierarchy_commit(struct rte_eth_dev *dev,
                                 int clear_on_fail,
                                 __rte_unused struct rte_tm_error *error)
@@ -748,7 +777,6 @@ static int ice_dcf_hierarchy_commit(struct rte_eth_dev *dev,
        cir_total = 0;
 
        /* init tc bw configuration */
-#define ICE_DCF_SCHED_TC_NODE 0xffff
        tc_bw->vf_id = ICE_DCF_SCHED_TC_NODE;
        tc_bw->node_type = VIRTCHNL_DCF_TARGET_TC_BW;
        tc_bw->num_elem = hw->tm_conf.nb_tc_node;
@@ -825,6 +853,15 @@ static int ice_dcf_hierarchy_commit(struct rte_eth_dev *dev,
        if (ret_val)
                goto fail_clear;
 
+       /* store TC node bw configuration */
+       hw->qos_bw_cfg[ICE_DCF_VFID] = rte_zmalloc("tc_bw_cfg", size, 0);
+       if (!hw->qos_bw_cfg[ICE_DCF_VFID]) {
+               ret_val = ICE_ERR_NO_MEMORY;
+               goto fail_clear;
+       }
+       ice_memcpy(hw->qos_bw_cfg[ICE_DCF_VFID], tc_bw, sizeof(*tc_bw),
+                  ICE_NONDMA_TO_NONDMA);
+
        hw->tm_conf.committed = true;
        return ret_val;