[PATCH 2/4] Slave: add map_if_by_params to SlaveMethods

[Jan Tluka]

Method map_if_by_params provides ability to map interface based on more
variable query. For example to map interface based on hardware address
and driver (e.g. loopback).

Signed-off-by: Jan Tluka <jtluka(a)redhat.com&gt;
---
 lnst/Slave/NetTestSlave.py | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/lnst/Slave/NetTestSlave.py b/lnst/Slave/NetTestSlave.py
index 0c9e627..0dc04d3 100644
--- a/lnst/Slave/NetTestSlave.py
+++ b/lnst/Slave/NetTestSlave.py
@@ -120,6 +120,15 @@ class SlaveMethods:
 
         return devices
 
+    def map_if_by_params(self, if_id, params):
+        devices = self.get_devices_by_params(params)
+
+        if len(devices) == 1:
+            dev = self._if_manager.get_device_by_params(params)
+            self._if_manager.map_if(if_id, dev.get_if_index())
+
+        return devices
+
     def unmap_if(self, if_id):
         self._if_manager.unmap_if(if_id)
         return True
-- 
2.1.0