net/bnxt: support clear on read

[dpdk.git] / drivers / net / hns3 / hns3_mp.c

diff --git a/drivers/net/hns3/hns3_mp.c b/drivers/net/hns3/hns3_mp.c
index 6d33bf4..999b407 100644 (file)
--- a/drivers/net/hns3/hns3_mp.c
+++ b/drivers/net/hns3/hns3_mp.c
@@ -13,7 +13,7 @@
 #include "hns3_mp.h"
 
 /* local data for primary or secondary process. */
-struct hns3_process_local_data process_data;
+static struct hns3_process_local_data process_data;
 
 /*
  * Initialize IPC message.
@@ -227,7 +227,8 @@ hns3_mp_req_start_tx(struct rte_eth_dev *dev)
 /*
  * Initialize by primary process.
  */
-int hns3_mp_init_primary(void)
+static int
+hns3_mp_init_primary(void)
 {
        int ret;
 
@@ -244,20 +245,11 @@ int hns3_mp_init_primary(void)
        return 0;
 }
 
-void hns3_mp_uninit(void)
-{
-       process_data.eth_dev_cnt--;
-
-       if (process_data.eth_dev_cnt == 0) {
-               rte_mp_action_unregister(HNS3_MP_NAME);
-               process_data.init_done = false;
-       }
-}
-
 /*
  * Initialize by secondary process.
  */
-int hns3_mp_init_secondary(void)
+static int
+hns3_mp_init_secondary(void)
 {
        int ret;
 
@@ -265,10 +257,52 @@ int hns3_mp_init_secondary(void)
                return 0;
 
        ret = rte_mp_action_register(HNS3_MP_NAME, mp_secondary_handle);
-       if (ret)
+       if (ret && rte_errno != ENOTSUP)
                return ret;
 
        process_data.init_done = true;
 
        return 0;
 }
+
+int
+hns3_mp_init(struct rte_eth_dev *dev)
+{
+       struct hns3_hw *hw = HNS3_DEV_PRIVATE_TO_HW(dev->data->dev_private);
+       int ret;
+
+       if (rte_eal_process_type() != RTE_PROC_PRIMARY) {
+               ret = hns3_mp_init_secondary();
+               if (ret) {
+                       PMD_INIT_LOG(ERR, "Failed to init for secondary process, ret = %d",
+                                    ret);
+                       return ret;
+               }
+               __atomic_fetch_add(&hw->secondary_cnt, 1, __ATOMIC_RELAXED);
+       } else {
+               ret = hns3_mp_init_primary();
+               if (ret) {
+                       PMD_INIT_LOG(ERR, "Failed to init for primary process, ret = %d",
+                                    ret);
+                       return ret;
+               }
+       }
+
+       process_data.eth_dev_cnt++;
+
+       return 0;
+}
+
+void hns3_mp_uninit(struct rte_eth_dev *dev)
+{
+       struct hns3_hw *hw = HNS3_DEV_PRIVATE_TO_HW(dev->data->dev_private);
+
+       if (rte_eal_process_type() != RTE_PROC_PRIMARY)
+               __atomic_fetch_sub(&hw->secondary_cnt, 1, __ATOMIC_RELAXED);
+
+       process_data.eth_dev_cnt--;
+       if (process_data.eth_dev_cnt == 0) {
+               rte_mp_action_unregister(HNS3_MP_NAME);
+               process_data.init_done = false;
+       }
+}