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-rw-r--r--host/include/uhd/rfnoc/node_ctrl_base.ipp50
-rw-r--r--host/lib/rfnoc/ddc_block_ctrl_impl.cpp9
-rw-r--r--host/lib/rfnoc/duc_block_ctrl_impl.cpp6
-rw-r--r--host/lib/rfnoc/source_block_ctrl_base.cpp15
4 files changed, 56 insertions, 24 deletions
diff --git a/host/include/uhd/rfnoc/node_ctrl_base.ipp b/host/include/uhd/rfnoc/node_ctrl_base.ipp
index 79a8fe2a9..266df445a 100644
--- a/host/include/uhd/rfnoc/node_ctrl_base.ipp
+++ b/host/include/uhd/rfnoc/node_ctrl_base.ipp
@@ -27,27 +27,42 @@ namespace uhd {
// List of return values:
std::set< T_sptr > results_s;
// To avoid cycles:
- std::set< sptr > explored;
+ std::set < sptr > explored;
// Initialize our search queue with ourself:
- std::set< sptr > search_q;
- search_q.insert(shared_from_this());
- std::set< sptr > next_q;
+ std::set < node_map_pair_t > search_q;
+ // FIXME: Port is initialized to ANY_PORT, but it should really be
+ // passed in by the caller.
+ search_q.insert(node_map_pair_t(ANY_PORT, shared_from_this()));
+ std::set < node_map_pair_t > next_q;
while (iters++ < MAX_ITER) {
next_q.clear();
- BOOST_FOREACH(const sptr &this_node, search_q) {
+ BOOST_FOREACH(const node_map_pair_t node_pair, search_q) {
+ sptr node = node_pair.second.lock();
+ if (not node)
+ {
+ continue;
+ }
+ size_t our_port = node_pair.first;
// Add this node to the list of explored nodes
- explored.insert(this_node);
+ explored.insert(node);
// Create set of all child nodes of this_node that are not in explored:
- std::set< sptr > next_nodes;
+ std::set< node_map_pair_t > next_nodes;
{
- node_map_t all_next_nodes = downstream ? this_node->list_downstream_nodes() : this_node->list_upstream_nodes();
+ node_map_t all_next_nodes = downstream ?
+ node->list_downstream_nodes() :
+ node->list_upstream_nodes();
for (
node_map_t::iterator it = all_next_nodes.begin();
it != all_next_nodes.end();
++it
) {
- size_t our_port = it->first;
+ size_t connected_port = it->first;
+ // If port is given, limit traversal to only that port.
+ if (our_port != ANY_PORT and our_port != connected_port)
+ {
+ continue;
+ }
if (active_only
and not (downstream ? _tx_streamer_active[our_port] : _rx_streamer_active[our_port] )) {
continue;
@@ -60,7 +75,22 @@ namespace uhd {
if (next_node_sptr) {
results_s.insert(next_node_sptr);
} else {
- next_nodes.insert(one_next_node);
+ size_t next_port = ANY_PORT;
+ // FIXME: Need proper mapping from input port
+ // to output port.
+ // The code below assumes that blocks with the same
+ // number of connected upstream and downstream nodes
+ // map each input port directly to the same output
+ // port. This limits the graph traversal to prevent
+ // finding nodes that are not part of this chain.
+ if (one_next_node->list_upstream_nodes().size() ==
+ one_next_node->list_downstream_nodes().size())
+ {
+ next_port = (downstream ?
+ node->get_downstream_port(connected_port) :
+ node->get_upstream_port(connected_port));
+ }
+ next_nodes.insert(node_map_pair_t(next_port, it->second));
}
}
}
diff --git a/host/lib/rfnoc/ddc_block_ctrl_impl.cpp b/host/lib/rfnoc/ddc_block_ctrl_impl.cpp
index b70ae8959..7ea81e255 100644
--- a/host/lib/rfnoc/ddc_block_ctrl_impl.cpp
+++ b/host/lib/rfnoc/ddc_block_ctrl_impl.cpp
@@ -186,14 +186,7 @@ public:
stream_cmd.num_samps *= decimation;
}
- source_node_ctrl::sptr this_upstream_block_ctrl =
- boost::dynamic_pointer_cast<source_node_ctrl>(list_upstream_nodes().at(chan).lock());
- if (this_upstream_block_ctrl) {
- this_upstream_block_ctrl->issue_stream_cmd(
- stream_cmd,
- get_upstream_port(chan)
- );
- }
+ source_block_ctrl_base::issue_stream_cmd(stream_cmd, chan);
}
private:
diff --git a/host/lib/rfnoc/duc_block_ctrl_impl.cpp b/host/lib/rfnoc/duc_block_ctrl_impl.cpp
index cc9d30361..cf22ab7da 100644
--- a/host/lib/rfnoc/duc_block_ctrl_impl.cpp
+++ b/host/lib/rfnoc/duc_block_ctrl_impl.cpp
@@ -173,11 +173,7 @@ public:
stream_cmd.num_samps *= interpolation;
}
- for(const node_ctrl_base::node_map_pair_t upstream_node: list_upstream_nodes()) {
- source_node_ctrl::sptr this_upstream_block_ctrl =
- boost::dynamic_pointer_cast<source_node_ctrl>(upstream_node.second.lock());
- this_upstream_block_ctrl->issue_stream_cmd(stream_cmd, chan);
- }
+ source_block_ctrl_base::issue_stream_cmd(stream_cmd, chan);
}
private:
diff --git a/host/lib/rfnoc/source_block_ctrl_base.cpp b/host/lib/rfnoc/source_block_ctrl_base.cpp
index 0f1c31e4f..364aa01c6 100644
--- a/host/lib/rfnoc/source_block_ctrl_base.cpp
+++ b/host/lib/rfnoc/source_block_ctrl_base.cpp
@@ -29,9 +29,22 @@ void source_block_ctrl_base::issue_stream_cmd(
}
for(const node_ctrl_base::node_map_pair_t upstream_node: _upstream_nodes) {
+ // FIXME: Need proper mapping from input port to output port
+ // The code below assumes the input port and output port are the same
+ // if the number of upstream and downstream connections are the same.
+ // The stream command is limited to only that port to prevent issuing
+ // it on the wrong block and port.
+ if (_upstream_nodes.size() == _downstream_nodes.size() and
+ upstream_node.first != chan)
+ {
+ continue;
+ }
source_node_ctrl::sptr this_upstream_block_ctrl =
boost::dynamic_pointer_cast<source_node_ctrl>(upstream_node.second.lock());
- this_upstream_block_ctrl->issue_stream_cmd(stream_cmd, chan);
+ if (this_upstream_block_ctrl)
+ {
+ this_upstream_block_ctrl->issue_stream_cmd(stream_cmd, get_upstream_port(chan));
+ }
}
}