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.

1 files changed, 4 insertions, 7 deletions

diff --git a/host/lib/usrp/usrp2/mboard_impl.cpp b/host/lib/usrp/usrp2/mboard_impl.cpp
index cc73b229c..8e682a675 100644
--- a/host/lib/usrp/usrp2/mboard_impl.cpp
+++ b/host/lib/usrp/usrp2/mboard_impl.cpp
@@ -82,6 +82,7 @@ void usrp2_impl::mboard_get(const wax::obj &key_, wax::obj &val){
         return;
 
     case MBOARD_PROP_RX_DBOARD:
+        ASSERT_THROW(_rx_dboards.has_key(name));
         val = _rx_dboards[name].get_link();
         return;
 
@@ -90,6 +91,7 @@ void usrp2_impl::mboard_get(const wax::obj &key_, wax::obj &val){
         return;
 
     case MBOARD_PROP_TX_DBOARD:
+        ASSERT_THROW(_tx_dboards.has_key(name));
         val = _tx_dboards[name].get_link();
         return;
 
@@ -97,17 +99,12 @@ void usrp2_impl::mboard_get(const wax::obj &key_, wax::obj &val){
         val = prop_names_t(_tx_dboards.get_keys());
         return;
 
-    case MBOARD_PROP_MTU:
-        // FIXME we dont know the real MTU...
-        // give them something to fragment about
-        val = size_t(1500);
-        return;
-
     case MBOARD_PROP_CLOCK_RATE:
         val = freq_t(get_master_clock_freq());
         return;
 
     case MBOARD_PROP_RX_DSP:
+        ASSERT_THROW(_rx_dsps.has_key(name));
         val = _rx_dsps[name].get_link();
         return;
 
@@ -116,6 +113,7 @@ void usrp2_impl::mboard_get(const wax::obj &key_, wax::obj &val){
         return;
 
     case MBOARD_PROP_TX_DSP:
+        ASSERT_THROW(_tx_dsps.has_key(name));
         val = _tx_dsps[name].get_link();
         return;
 
@@ -183,7 +181,6 @@ void usrp2_impl::mboard_set(const wax::obj &key, const wax::obj &val){
 
     case MBOARD_PROP_NAME:
     case MBOARD_PROP_OTHERS:
-    case MBOARD_PROP_MTU:
     case MBOARD_PROP_CLOCK_RATE:
     case MBOARD_PROP_RX_DSP:
     case MBOARD_PROP_RX_DSP_NAMES: