--- wikisrc/users/msaitoh/Comparison_of_implementations_of_Ethernet_drivers.mdwn	2015/02/05 04:51:58	1.2
+++ wikisrc/users/msaitoh/Comparison_of_implementations_of_Ethernet_drivers.mdwn	2018/01/18 08:58:02	1.9
@@ -1,7 +1,7 @@
 <table class="center">
 <tr>
   <th>driver</th>
-  <th>where dmemem is allocated in</th>
+  <th>where dmamem is allocated in</th>
   <th>variations of mutex</th>
   <th>if_init lock</th>
   <th>if_start lock</th>
@@ -10,19 +10,23 @@
   <th>softint(9)based TX and RX?</th>
   <th>TX and TX are locked with mutex</th>
   <th>callout lock</th>
+  <th>MSI / MSI-X support</th>
+  <th>Multi-queue support</th>
   <th>notes</th>
 </tr>
 <tr>
-  <th>wm(knakahara)</th>
+  <th>wm</th>
   <td>in attach()</td>
   <td>tx, rx, core</td>
   <td>CORE_LOCK(spin mutex)</td>
   <td>TX_LOCK(spin mutex) + sc_stopping flag</td>
   <td>CORE_LOCK(spin mutex)+sc_stopping flag</td>
-  <td>use CORE_LOCK() and TX_LOCK() partially</td>
-  <td>no</td>
+  <td>use CORE_LOCK(spin mutex) and TX_LOCK(spin mutex) partially</td>
+  <td>Yes</td>
   <td>TX and RX differently</td>
   <td>TX_LOCK(mutex) and check sc_stopping in the beginning</td>
+  <td>Yes</td>
+  <td>TX and RX</td>
   <td></td>
 </tr>
 <tr>
@@ -32,10 +36,12 @@
   <td>not taken?</td>
   <td>TX_LOCK(mutex)+sc_stopping check</td>
   <td>TX, RX + sc_stopping check</td>
-  <td>splnet</td>
+  <td>splnet()</td>
   <td>only RX is softint'ed</td>
   <td>TX and RX differently</td>
   <td>callout isn't used</td>
+  <td>Yes (MSI-X only)</td>
+  <td>No</td>
   <td></td>
 </tr>
 <tr>
@@ -50,6 +56,8 @@
   <td></td>
   <td></td>
   <td></td>
+  <td></td>
+  <td></td>
 </tr>
 <tr>
   <th>pq3etsec</th>
@@ -63,19 +71,23 @@
   <td>sc_hwlock is for hard interrput. sc_lock is for software interrupt. TX and RX use the same lock</td>
   <td>mutex_enter(sc_lock)</td>
   <td></td>
+  <td></td>
+  <td></td>
 </tr>
 <tr>
-  <th>bcm53xx_eth</th>
+  <th>bcmeth(4)</th>
   <td>in attach()</td>
   <td>lock, hwlock</td>
   <td>not taken?</td>
   <td>not taken. Set flag with atomic_or_uint() and call softintr_schedule()</td>
   <td>not taken?</td>
   <td>splnet()</td>
-  <td>Yes</td>
+  <td>Yes. The interrupt handler calls softint or workqueue depending on the load.</td>
   <td>sc_hwlock is for hard interrput. sc_lock is for software interrupt. TX and RX use the same lock</td>
   <td>callout isn't used</td>
   <td></td>
+  <td></td>
+  <td></td>
 </tr>
 <tr>
   <th>ixg</th>
@@ -89,6 +101,8 @@
   <td>TX and RX differently</td>
   <td>CORE_LOCK() in the beginning</td>
   <td></td>
+  <td></td>
+  <td></td>
 </tr>
 <tr>
   <th>bnx</th>
@@ -102,6 +116,8 @@
   <td>only TX uses mutex</td>
   <td>splnet() in the beginning</td>
   <td></td>
+  <td></td>
+  <td></td>
 </tr>
 <tr>
   <th>bge</th>
@@ -114,5 +130,8 @@
   <td>No</td>
   <td>No</td>
   <td>splnet() in the beginning</td>
+  <td></td>
+  <td></td>
   <td>mutex is not used at all</td>
 </tr>
+</table>