net/hns3: add RSS hash offload to capabilities

[dpdk.git] / drivers / net / hns3 / hns3_cmd.c

diff --git a/drivers/net/hns3/hns3_cmd.c b/drivers/net/hns3/hns3_cmd.c
index 853b9fd..c799363 100644 (file)
--- a/drivers/net/hns3/hns3_cmd.c
+++ b/drivers/net/hns3/hns3_cmd.c
@@ -22,6 +22,7 @@
 
 #include "hns3_ethdev.h"
 #include "hns3_regs.h"
+#include "hns3_intr.h"
 #include "hns3_logs.h"
 
 #define hns3_is_csq(ring) ((ring)->flag & HNS3_TYPE_CSQ)
@@ -216,7 +217,11 @@ hns3_cmd_csq_clean(struct hns3_hw *hw)
        if (!is_valid_csq_clean_head(csq, head)) {
                hns3_err(hw, "wrong cmd head (%u, %u-%u)", head,
                            csq->next_to_use, csq->next_to_clean);
-               rte_atomic16_set(&hw->reset.disable_cmd, 1);
+               if (rte_eal_process_type() == RTE_PROC_PRIMARY) {
+                       rte_atomic16_set(&hw->reset.disable_cmd, 1);
+                       hns3_schedule_delayed_reset(HNS3_DEV_HW_TO_ADAPTER(hw));
+               }
+
                return -EIO;
        }
 
@@ -284,7 +289,7 @@ hns3_cmd_convert_err_code(uint16_t desc_ret)
        case HNS3_CMD_INVALID:
                return -EBADR;
        default:
-               return -EIO;
+               return -EREMOTEIO;
        }
 }
 
@@ -317,6 +322,7 @@ hns3_cmd_get_hardware_reply(struct hns3_hw *hw,
 
 static int hns3_cmd_poll_reply(struct hns3_hw *hw)
 {
+       struct hns3_adapter *hns = HNS3_DEV_HW_TO_ADAPTER(hw);
        uint32_t timeout = 0;
 
        do {
@@ -329,20 +335,37 @@ static int hns3_cmd_poll_reply(struct hns3_hw *hw)
                        return -EBUSY;
                }
 
+               if (is_reset_pending(hns)) {
+                       hns3_err(hw, "Don't wait for reply because of reset pending");
+                       return -EIO;
+               }
+
                rte_delay_us(1);
                timeout++;
        } while (timeout < hw->cmq.tx_timeout);
        hns3_err(hw, "Wait for reply timeout");
-       return -EBADE;
+       return -ETIME;
 }
 
 /*
  * hns3_cmd_send - send command to command queue
- * @hw: pointer to the hw struct
- * @desc: prefilled descriptor for describing the command
- * @num : the number of descriptors to be sent
  *
- * This is the main send command for command queue, it
+ * @param hw
+ *   pointer to the hw struct
+ * @param desc
+ *   prefilled descriptor for describing the command
+ * @param num
+ *   the number of descriptors to be sent
+ * @return
+ *   - -EBUSY if detect device is in resetting
+ *   - -EIO   if detect cmd csq corrupted (due to reset) or
+ *            there is reset pending
+ *   - -ENOMEM/-ETIME/...(Non-Zero) if other error case
+ *   - Zero   if operation completed successfully
+ *
+ * Note -BUSY/-EIO only used in reset case
+ *
+ * Note this is the main send command for command queue, it
  * sends the queue, cleans the queue, etc
  */
 int
@@ -476,11 +499,23 @@ hns3_cmd_init(struct hns3_hw *hw)
        hw->cmq.csq.next_to_use = 0;
        hw->cmq.crq.next_to_clean = 0;
        hw->cmq.crq.next_to_use = 0;
+       hw->mbx_resp.head = 0;
+       hw->mbx_resp.tail = 0;
+       hw->mbx_resp.lost = 0;
        hns3_cmd_init_regs(hw);
 
        rte_spinlock_unlock(&hw->cmq.crq.lock);
        rte_spinlock_unlock(&hw->cmq.csq.lock);
 
+       /*
+        * Check if there is new reset pending, because the higher level
+        * reset may happen when lower level reset is being processed.
+        */
+       if (is_reset_pending(HNS3_DEV_HW_TO_ADAPTER(hw))) {
+               PMD_INIT_LOG(ERR, "New reset pending, keep disable cmd");
+               ret = -EBUSY;
+               goto err_cmd_init;
+       }
        rte_atomic16_clear(&hw->reset.disable_cmd);
 
        ret = hns3_cmd_query_firmware_version(hw, &hw->fw_version);
@@ -494,7 +529,7 @@ hns3_cmd_init(struct hns3_hw *hw)
        return 0;
 
 err_cmd_init:
-       hns3_cmd_uninit(hw);
+       rte_atomic16_set(&hw->reset.disable_cmd, 1);
        return ret;
 }