net/mlx5: enforce limitation on IPv6 next protocol

[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 596c310..639f46c 100644 (file)
--- a/drivers/net/hns3/hns3_mp.c
+++ b/drivers/net/hns3/hns3_mp.c
@@ -14,6 +14,8 @@
 #include "hns3_rxtx.h"
 #include "hns3_mp.h"
 
+static bool hns3_inited;
+
 /*
  * Initialize IPC message.
  *
@@ -192,9 +194,20 @@ void hns3_mp_req_stop_rxtx(struct rte_eth_dev *dev)
 /*
  * Initialize by primary process.
  */
-void hns3_mp_init_primary(void)
+int hns3_mp_init_primary(void)
 {
-       rte_mp_action_register(HNS3_MP_NAME, mp_primary_handle);
+       int ret;
+
+       if (!hns3_inited) {
+               /* primary is allowed to not support IPC */
+               ret = rte_mp_action_register(HNS3_MP_NAME, mp_primary_handle);
+               if (ret && rte_errno != ENOTSUP)
+                       return ret;
+
+               hns3_inited = true;
+       }
+
+       return 0;
 }
 
 /*
@@ -202,13 +215,24 @@ void hns3_mp_init_primary(void)
  */
 void hns3_mp_uninit_primary(void)
 {
-       rte_mp_action_unregister(HNS3_MP_NAME);
+       if (hns3_inited)
+               rte_mp_action_unregister(HNS3_MP_NAME);
 }
 
 /*
  * Initialize by secondary process.
  */
-void hns3_mp_init_secondary(void)
+int hns3_mp_init_secondary(void)
 {
-       rte_mp_action_register(HNS3_MP_NAME, mp_secondary_handle);
+       int ret;
+
+       if (!hns3_inited) {
+               ret = rte_mp_action_register(HNS3_MP_NAME, mp_secondary_handle);
+               if (ret)
+                       return ret;
+
+               hns3_inited = true;
+       }
+
+       return 0;
 }