fix LAG member distribution of stream flows

Author: GIC-de

code/bngblaster/src/bbl_a10nsp.c

@@ -785,9 +785,12 @@ bbl_a10nsp_dynamic(bbl_a10nsp_interface_s *interface,
                     session->session_id, stream->flow_id, stream->tx_a10nsp_interface->name, interface->name);
 
                 stream->tx_a10nsp_interface = interface;
-                stream->io->update_streams = true;
                 stream->update_pps = true;
 
+                if(stream->io) {
+                    stream->io->update_streams = true;
+                }
+
                 if(stream->lag) {
                     /* Remove stream from LAG interface */
                     lag = stream->tx_a10nsp_interface->interface->lag;
@@ -819,7 +822,7 @@ bbl_a10nsp_dynamic(bbl_a10nsp_interface_s *interface,
                     lag->stream_head = stream;
                     lag->stream_count++;
                     if(lag->active_count) {
-                        key = stream->flow_id % lag->active_count;
+                        key = rand() % lag->active_count;
                         member = lag->active_list[key];
                     } else {
                         member = CIRCLEQ_FIRST(&lag->lag_member_qhead);

code/bngblaster/src/bbl_lag.c

@@ -166,7 +166,7 @@ bbl_lag_select(bbl_lag_s *lag)
         /* Distribute streams */
         stream = lag->stream_head;
         while(stream) {
-            key = stream->flow_id % active_count;
+            key = rand() % active_count;
             io = lag->active_list[key]->interface->io.tx;
             io_stream_add(io, stream);
             stream = stream->lag_next;