ethdev: increase device internal name length

Allow sufficient space for UUID in string form (36+1).
Needed to use UUID with Hyper-V.

Signed-off-by: Stephen Hemminger <sthemmin@microsoft.com>
Reviewed-by: Ferruh Yigit <ferruh.yigit@intel.com>

doc/guides/rel_notes/deprecation.rst

@@ -64,10 +64,6 @@ Deprecation Notices
   done by the EAL and not by the ``ethdev`` layer anymore. Users relying on this
   flag being present only have to remove their checks to follow the change.
 
-* ethdev: An ABI change is planned for 17.11 for the structure rte_eth_dev_data.
-  The size of the unique name will increase RTE_ETH_NAME_MAX_LEN from 32 to
-  64 characters to allow using a globally unique identifier (GUID) in this field.
-
 * ethdev: new parameters - ``rte_security_capabilities`` and
   ``rte_security_ops`` will be added to ``rte_eth_dev_info`` and
   ``rte_eth_dev`` respectively  to support security operations like

doc/guides/rel_notes/release_17_11.rst

@@ -184,6 +184,11 @@ API Changes
    Also, make sure to start the actual text at the margin.
    =========================================================
 
+* **Ethdev device name length increased**
+
+  The size of internal device name is increased to 64 characters
+  to allow for storing longer bus specific name.
+
 * **Service cores API updated for usability**
 
   The service cores API has been changed, removing pointers from the API

lib/librte_eal/common/include/rte_dev.h

@@ -152,7 +152,11 @@ struct rte_driver {
 	const char *alias;              /**< Driver alias. */
 };
 
-#define RTE_DEV_NAME_MAX_LEN (32)
+/*
+ * Internal identifier length
+ * Sufficiently large to allow for UUID or PCI address
+ */
+#define RTE_DEV_NAME_MAX_LEN 64
 
 /**
  * A structure describing a generic device.