net/ice: init RSS and supported RXDID in DCF

Enable RSS parameters initialization and get the supported
flexible descriptor RXDIDs bitmap from PF during DCF init.

Signed-off-by: Qi Zhang <qi.z.zhang@intel.com>
Signed-off-by: Ting Xu <ting.xu@intel.com>
Reviewed-by: Qiming Yang <qiming.yang@intel.com>

diff --git a/drivers/net/ice/ice_dcf.c b/drivers/net/ice/ice_dcf.c
index 0cd5d1b..93fabd5 100644 (file)
--- a/drivers/net/ice/ice_dcf.c
+++ b/drivers/net/ice/ice_dcf.c
@@ -233,7 +233,7 @@ ice_dcf_get_vf_resource(struct ice_dcf_hw *hw)
 
        caps = VIRTCHNL_VF_OFFLOAD_WB_ON_ITR | VIRTCHNL_VF_OFFLOAD_RX_POLLING |
               VIRTCHNL_VF_CAP_ADV_LINK_SPEED | VIRTCHNL_VF_CAP_DCF |
-              VF_BASE_MODE_OFFLOADS;
+              VF_BASE_MODE_OFFLOADS | VIRTCHNL_VF_OFFLOAD_RX_FLEX_DESC;
 
        err = ice_dcf_send_cmd_req_no_irq(hw, VIRTCHNL_OP_GET_VF_RESOURCES,
                                          (uint8_t *)&caps, sizeof(caps));
@@ -547,6 +547,30 @@ ice_dcf_handle_vsi_update_event(struct ice_dcf_hw *hw)
        return err;
 }
 
+static int
+ice_dcf_get_supported_rxdid(struct ice_dcf_hw *hw)
+{
+       int err;
+
+       err = ice_dcf_send_cmd_req_no_irq(hw,
+                                         VIRTCHNL_OP_GET_SUPPORTED_RXDIDS,
+                                         NULL, 0);
+       if (err) {
+               PMD_INIT_LOG(ERR, "Failed to send OP_GET_SUPPORTED_RXDIDS");
+               return -1;
+       }
+
+       err = ice_dcf_recv_cmd_rsp_no_irq(hw, VIRTCHNL_OP_GET_SUPPORTED_RXDIDS,
+                                         (uint8_t *)&hw->supported_rxdid,
+                                         sizeof(uint64_t), NULL);
+       if (err) {
+               PMD_INIT_LOG(ERR, "Failed to get response of OP_GET_SUPPORTED_RXDIDS");
+               return -1;
+       }
+
+       return 0;
+}
+
 int
 ice_dcf_init_hw(struct rte_eth_dev *eth_dev, struct ice_dcf_hw *hw)
 {
@@ -620,6 +644,29 @@ ice_dcf_init_hw(struct rte_eth_dev *eth_dev, struct ice_dcf_hw *hw)
                goto err_alloc;
        }
 
+       /* Allocate memory for RSS info */
+       if (hw->vf_res->vf_cap_flags & VIRTCHNL_VF_OFFLOAD_RSS_PF) {
+               hw->rss_key = rte_zmalloc(NULL,
+                                         hw->vf_res->rss_key_size, 0);
+               if (!hw->rss_key) {
+                       PMD_INIT_LOG(ERR, "unable to allocate rss_key memory");
+                       goto err_alloc;
+               }
+               hw->rss_lut = rte_zmalloc("rss_lut",
+                                         hw->vf_res->rss_lut_size, 0);
+               if (!hw->rss_lut) {
+                       PMD_INIT_LOG(ERR, "unable to allocate rss_lut memory");
+                       goto err_rss;
+               }
+       }
+
+       if (hw->vf_res->vf_cap_flags & VIRTCHNL_VF_OFFLOAD_RX_FLEX_DESC) {
+               if (ice_dcf_get_supported_rxdid(hw) != 0) {
+                       PMD_INIT_LOG(ERR, "failed to do get supported rxdid");
+                       goto err_rss;
+               }
+       }
+
        hw->eth_dev = eth_dev;
        rte_intr_callback_register(&pci_dev->intr_handle,
                                   ice_dcf_dev_interrupt_handler, hw);
@@ -628,6 +675,9 @@ ice_dcf_init_hw(struct rte_eth_dev *eth_dev, struct ice_dcf_hw *hw)
 
        return 0;
 
+err_rss:
+       rte_free(hw->rss_key);
+       rte_free(hw->rss_lut);
 err_alloc:
        rte_free(hw->vf_res);
 err_api:
@@ -655,4 +705,6 @@ ice_dcf_uninit_hw(struct rte_eth_dev *eth_dev, struct ice_dcf_hw *hw)
        rte_free(hw->arq_buf);
        rte_free(hw->vf_vsi_map);
        rte_free(hw->vf_res);
+       rte_free(hw->rss_lut);
+       rte_free(hw->rss_key);
 }

diff --git a/drivers/net/ice/ice_dcf.h b/drivers/net/ice/ice_dcf.h
index d2e447b..152266e 100644 (file)
--- a/drivers/net/ice/ice_dcf.h
+++ b/drivers/net/ice/ice_dcf.h
@@ -50,6 +50,9 @@ struct ice_dcf_hw {
        uint16_t vsi_id;
 
        struct rte_eth_dev *eth_dev;
+       uint8_t *rss_lut;
+       uint8_t *rss_key;
+       uint64_t supported_rxdid;
 };
 
 int ice_dcf_execute_virtchnl_cmd(struct ice_dcf_hw *hw,