(traffic shaper) add advanced option schedule type for pipe, makes current...

(traffic shaper) add advanced option schedule type for pipe, makes current default (wf2q+) explicit. related to https://github.com/opnsense/core/issues/505

src/opnsense/mvc/app/controllers/OPNsense/TrafficShaper/forms/dialogPipe.xml

@@ -43,6 +43,13 @@
         <li> choose source to provide all connected clients up to a maximum of this pipe configured bandwidth  </li>
         ]]></help>
     </field>
+    <field>
+        <id>pipe.scheduler</id>
+        <label>Scheduler type</label>
+        <type>dropdown</type>
+        <advanced>true</advanced>
+        <help>Specify the scheduling algorithm to use</help>
+    </field>
     <field>
         <id>pipe.description</id>
         <label>description</label>

src/opnsense/mvc/app/models/OPNsense/TrafficShaper/TrafficShaper.xml

@@ -51,6 +51,16 @@
                         <dst-ip>destination</dst-ip>
                     </OptionValues>
                 </mask>
+                <scheduler type="OptionField">
+                  <Required>N</Required>
+                  <default></default>
+                  <BlankDesc>Weighted Fair Queueing</BlankDesc>
+                  <OptionValues>
+                      <fifo>FIFO</fifo>
+                      <rr>Deficit Round Robin</rr>
+                      <qfq>QFQ</qfq>
+                  </OptionValues>
+                </scheduler>
                 <origin type="TextField">
                     <Required>N</Required>
                     <mask>/^([a-z,A-Z,1-9]){0,30}$/</mask>

src/opnsense/service/templates/OPNsense/IPFW/ipfw.conf

@@ -39,7 +39,8 @@ flush
 pipe {{ pipe.number }} config bw {{ pipe.bandwidth }}{{ pipe.bandwidthMetric }}/s{% if pipe.burst %} burst {{ pipe.burst }}{% endif %}{%
  if pipe.queue %} queue {{ pipe.queue }}{%
  if pipe.queueMetric != 'slots' %}{{pipe.queueMetric}}{% endif %}{% endif
- %}{% if pipe.mask != 'none' %} mask {{ pipe.mask }} 0xffffffff {% endif %}
+ %}{% if pipe.mask != 'none' %} mask {{ pipe.mask }} 0xffffffff {% endif %} type {%
+ if pipe.scheduler|default('') != '' %}{{pipe.scheduler}}{% else %}wf2q+{% endif %}
 
 {% endfor %}
 {% endif %}