[PATCH 1/2] ethdev: increase length ethernet device internal name

[Stephen Hemminger <stephen@networkplumber.org>]

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

Signed-off-by: Stephen Hemminger <sthemmin@microsoft.com>
---
 doc/guides/rel_notes/deprecation.rst | 3 +++
 lib/librte_ether/rte_ethdev.h        | 6 +++++-
 2 files changed, 8 insertions(+), 1 deletion(-)

diff --git a/doc/guides/rel_notes/deprecation.rst b/doc/guides/rel_notes/deprecation.rst
index 2d17bc6..b83f23a 100644
--- a/doc/guides/rel_notes/deprecation.rst
+++ b/doc/guides/rel_notes/deprecation.rst
@@ -58,6 +58,9 @@ Deprecation Notices
   ``port`` field, may be moved or removed as part of this mbuf work. A
   ``timestamp`` will also be added.
 
+* ethdev: for 17.02 the size of internal device name will be increased
+  to 40 characters to allow for storing UUID.
+
 * The mbuf flags PKT_RX_VLAN_PKT and PKT_RX_QINQ_PKT are deprecated and
   are respectively replaced by PKT_RX_VLAN_STRIPPED and
   PKT_RX_QINQ_STRIPPED, that are better described. The old flags and
diff --git a/lib/librte_ether/rte_ethdev.h b/lib/librte_ether/rte_ethdev.h
index 9678179..3c85e33 100644
--- a/lib/librte_ether/rte_ethdev.h
+++ b/lib/librte_ether/rte_ethdev.h
@@ -1652,7 +1652,11 @@ struct rte_eth_dev_sriov {
 };
 #define RTE_ETH_DEV_SRIOV(dev)         ((dev)->data->sriov)
 
-#define RTE_ETH_NAME_MAX_LEN (32)
+/*
+ * Internal identifier length
+ * Sufficiently large to allow for UUID or PCI address
+ */
+#define RTE_ETH_NAME_MAX_LEN 40
 
 /**
  * @internal
-- 
2.10.2