Make cmd-line option "network/TCP-gamma" neat and clean

[simgrid.git] / src / surf / network_interface.cpp

diff --git a/src/surf/network_interface.cpp b/src/surf/network_interface.cpp
index 480a1a5..ac8dcb2 100644 (file)
--- a/src/surf/network_interface.cpp
+++ b/src/surf/network_interface.cpp
@@ -66,6 +66,13 @@ simgrid::surf::NetworkModel *surf_network_model = nullptr;
 namespace simgrid {
   namespace surf {
 
+  /** Value of the command-line option 'network/TCP-gamma' -- see \ref options_model_network_gamma */
+  simgrid::config::Flag<double> NetworkModel::cfg_tcp_gamma(
+      {"network/TCP-gamma", "network/TCP_gamma"},
+      "Size of the biggest TCP window (cat /proc/sys/net/ipv4/tcp_[rw]mem for recv/send window; "
+      "Use the last given value, which is the max window size)",
+      4194304.0);
+
   NetworkModel::~NetworkModel() = default;
 
     double NetworkModel::latencyFactor(double /*size*/) {