Send the number of samples per datagram over the control.

Worked on the io impl for usrp2 (added loop unrolls and 32 bit buffers).
Added some vrt rx constants to the fw common used by host and fw.
Removed the MTU prop and added a general device prop for num samples.

2 files changed, 8 insertions, 2 deletions

diff --git a/host/include/uhd/props.hpp b/host/include/uhd/props.hpp
index 2b6daf6c5..cf301d4bd 100644
--- a/host/include/uhd/props.hpp
+++ b/host/include/uhd/props.hpp
@@ -65,7 +65,9 @@ namespace uhd{
     enum device_prop_t{
         DEVICE_PROP_NAME,              //ro, std::string
         DEVICE_PROP_MBOARD,            //ro, wax::obj
-        DEVICE_PROP_MBOARD_NAMES       //ro, prop_names_t
+        DEVICE_PROP_MBOARD_NAMES,      //ro, prop_names_t
+        DEVICE_PROP_MAX_RX_SAMPLES,    //ro, size_t
+        DEVICE_PROP_MAX_TX_SAMPLES     //ro, size_t
     };
 
     /*!
@@ -77,7 +79,6 @@ namespace uhd{
     enum mboard_prop_t{
         MBOARD_PROP_NAME,              //ro, std::string
         MBOARD_PROP_OTHERS,            //ro, prop_names_t
-        MBOARD_PROP_MTU,               //ro, size_t
         MBOARD_PROP_CLOCK_RATE,        //ro, freq_t
         MBOARD_PROP_RX_DSP,            //ro, wax::obj
         MBOARD_PROP_RX_DSP_NAMES,      //ro, prop_names_t
diff --git a/host/include/uhd/utils.hpp b/host/include/uhd/utils.hpp
index 4331aba7e..9bbdc83c9 100644
--- a/host/include/uhd/utils.hpp
+++ b/host/include/uhd/utils.hpp
@@ -57,6 +57,11 @@ namespace std{
         return last != std::find(first, last, elem);
     }
 
+    template<class T, class V>
+    bool has(const V &vector, const T &elem){
+        return has(vector.begin(), vector.end(), elem);
+    }
+
     template<class T>
     T sum(const T &a, const T &b){
         return a + b;