mpmd: Device discovery fixes and cleanup

- Fixed issue where the "addr" device args was not honored
- Results returned by find only enumerate mgmt_addrs
- Explicitly require addr to be specified for RFNoC comms
- Cleaned up constants for mgmt_addr, addr and second_addr

Reviewed-by: Martin Braun <martin.braun@ettus.com>

1 files changed, 11 insertions, 0 deletions

diff --git a/host/lib/usrp/mpmd/mpmd_xport_mgr.hpp b/host/lib/usrp/mpmd/mpmd_xport_mgr.hpp
index 2da4af323..cdb082111 100644
--- a/host/lib/usrp/mpmd/mpmd_xport_mgr.hpp
+++ b/host/lib/usrp/mpmd/mpmd_xport_mgr.hpp
@@ -16,6 +16,17 @@
 
 namespace uhd { namespace mpmd { namespace xport {
 
+/*
+ * Transport specifiers
+ */
+
+//! Ethernet address for management and RPC communication
+const std::string MGMT_ADDR_KEY    = "mgmt_addr";
+//! Primary Ethernet address for streaming and RFNoC communication
+const std::string FIRST_ADDR_KEY   = "addr";
+//! Secondary Ethernet address for streaming and RFNoC communication
+const std::string SECOND_ADDR_KEY  = "second_addr";
+
 /*! Return filtered subset from a device_addr_t
  *
  * The return dictionary will contain all key/value pairs from \p args