get etx now returns etx for the path to the root instead of etx from the current...

[tinyos-2.x.git] / tos / lib / net / ctp / CtpInfo.nc

diff --git a/tos/lib/net/ctp/CtpInfo.nc b/tos/lib/net/ctp/CtpInfo.nc
index 57c275efb50f2360b301b055ba19ec9890f0d22a..8074597676a5072a097c805d48fa3603520a65b6 100644 (file)
--- a/tos/lib/net/ctp/CtpInfo.nc
+++ b/tos/lib/net/ctp/CtpInfo.nc
@@ -45,7 +45,7 @@ interface CtpInfo {
    * through the current parent.  The pointer is allocated by the
    * caller.  If the parent is invalid, return FAIL (no info).  The
    * caller MUST NOT use the value in parent if the return is not
-   * SUCCESS.
+   * SUCCESS. Calling getEtx at the root will set the etx argument to 0.
    */
   
   command error_t getEtx(uint16_t* etx);