5 files changed, 5 insertions, 1 deletions
diff --git a/host/lib/usrp/b100/b100_impl.cpp b/host/lib/usrp/b100/b100_impl.cpp
index a47856b07..cb32a596c 100644
--- a/host/lib/usrp/b100/b100_impl.cpp
+++ b/host/lib/usrp/b100/b100_impl.cpp
@@ -515,6 +515,7 @@ b100_impl::b100_impl(const device_addr_t &device_addr){
     _tree->access<subdev_spec_t>(mb_path / "tx_subdev_spec").set(subdev_spec_t("A:" + _tree->list(mb_path / "dboards/A/tx_frontends").at(0)));
     _tree->access<std::string>(mb_path / "clock_source/value").set("internal");
     _tree->access<std::string>(mb_path / "time_source/value").set("none");
+    _tree->create<double>(mb_path / "link_max_rate").set(B100_MAX_RATE_USB2);
 }
 
 b100_impl::~b100_impl(void){
diff --git a/host/lib/usrp/b100/b100_impl.hpp b/host/lib/usrp/b100/b100_impl.hpp
index 7d71d5ec3..b6752681e 100644
--- a/host/lib/usrp/b100/b100_impl.hpp
+++ b/host/lib/usrp/b100/b100_impl.hpp
@@ -54,6 +54,7 @@ static const boost::uint32_t B100_CTRL_MSG_SID = 20;
 static const double          B100_DEFAULT_TICK_RATE = 64e6;
 static const size_t          B100_MAX_PKT_BYTE_LIMIT = 2048;
 static const std::string     B100_EEPROM_MAP_KEY = "B100";
+static const size_t          B100_MAX_RATE_USB2  =  32000000; // bytes/s
 
 #define I2C_ADDR_TX_A       (I2C_DEV_EEPROM | 0x4)
 #define I2C_ADDR_RX_A       (I2C_DEV_EEPROM | 0x5)
diff --git a/host/lib/usrp/usrp1/usrp1_impl.cpp b/host/lib/usrp/usrp1/usrp1_impl.cpp
index 3b902b343..3eaac9839 100644
--- a/host/lib/usrp/usrp1/usrp1_impl.cpp
+++ b/host/lib/usrp/usrp1/usrp1_impl.cpp
@@ -409,7 +409,7 @@ usrp1_impl::usrp1_impl(const device_addr_t &device_addr){
         _tree->access<subdev_spec_t>(mb_path / "rx_subdev_spec").set(_rx_subdev_spec);
     if (_tree->list(mb_path / "tx_dsps").size() > 0)
         _tree->access<subdev_spec_t>(mb_path / "tx_subdev_spec").set(_tx_subdev_spec);
-
+    _tree->create<double>(mb_path / "link_max_rate").set(USRP1_MAX_RATE_USB2);
 }
 
 usrp1_impl::~usrp1_impl(void){
diff --git a/host/lib/usrp/usrp1/usrp1_impl.hpp b/host/lib/usrp/usrp1/usrp1_impl.hpp
index da9fe8b16..012bc0794 100644
--- a/host/lib/usrp/usrp1/usrp1_impl.hpp
+++ b/host/lib/usrp/usrp1/usrp1_impl.hpp
@@ -39,6 +39,7 @@
 #define INCLUDED_USRP1_IMPL_HPP
 
 static const std::string USRP1_EEPROM_MAP_KEY = "B000";
+static const size_t      USRP1_MAX_RATE_USB2  =  32000000; // bytes/s
 
 #define FR_RB_CAPS          3
 #define FR_MODE             13
diff --git a/host/lib/usrp/usrp2/usrp2_impl.cpp b/host/lib/usrp/usrp2/usrp2_impl.cpp
index 16d9b9a54..25f661656 100644
--- a/host/lib/usrp/usrp2/usrp2_impl.cpp
+++ b/host/lib/usrp/usrp2/usrp2_impl.cpp
@@ -442,6 +442,7 @@ usrp2_impl::usrp2_impl(const device_addr_t &_device_addr){
             _mbc[mb].spiface = _mbc[mb].iface;
             break;
         }
+        _tree->create<double>(mb_path / "link_max_rate").set(USRP2_LINK_RATE_BPS);
 
         ////////////////////////////////////////////////////////////////
         // setup the mboard eeprom