[PATCH] ethdev: fix link with C++

[David Marchand <david.marchand@redhat.com>]

Some ethdev symbols were put out of extern "C" {} and became unavailable
when linking with C++ objects.

Fixes: 719834a6849e ("use C linkage where appropriate in headers")

Reported-by: John Miller <john.miller@atomicrules.com>
Signed-off-by: David Marchand <david.marchand@redhat.com>
---
 lib/ethdev/rte_ethdev.h | 16 ++++++++++++++++
 1 file changed, 16 insertions(+)

diff --git a/lib/ethdev/rte_ethdev.h b/lib/ethdev/rte_ethdev.h
index c4241d048c..a08ee7f2b8 100644
--- a/lib/ethdev/rte_ethdev.h
+++ b/lib/ethdev/rte_ethdev.h
@@ -171,6 +171,10 @@
 #include "rte_ethdev_trace_fp.h"
 #include "rte_dev_info.h"
 
+#ifdef __cplusplus
+extern "C" {
+#endif
+
 extern int rte_eth_dev_logtype;
 #define RTE_LOGTYPE_ETHDEV rte_eth_dev_logtype
 
@@ -1460,9 +1464,17 @@ enum rte_eth_tunnel_type {
 	RTE_ETH_TUNNEL_TYPE_MAX,
 };
 
+#ifdef __cplusplus
+}
+#endif
+
 /* Deprecated API file for rte_eth_dev_filter_* functions */
 #include "rte_eth_ctrl.h"
 
+#ifdef __cplusplus
+extern "C" {
+#endif
+
 /**
  * UDP tunneling configuration.
  *
@@ -6115,6 +6127,10 @@ int rte_eth_cman_config_set(uint16_t port_id, const struct rte_eth_cman_config *
 __rte_experimental
 int rte_eth_cman_config_get(uint16_t port_id, struct rte_eth_cman_config *config);
 
+#ifdef __cplusplus
+}
+#endif
+
 #include <rte_ethdev_core.h>
 
 #ifdef __cplusplus
-- 
2.46.2