X-Git-Url: https://pintos-os.org/cgi-bin/gitweb.cgi?a=blobdiff_plain;ds=sidebyside;f=INSTALL.Linux;h=8ba73ed353ab5a7b816853ad19f19eda4ac6d783;hb=92dbd5c9e3134eabc6e57b397dd18493bc96c9b8;hp=d5a3b7d651733d606acaea07d41c50ce09ccc471;hpb=8b055d92533271b05843f4b62fa98aba5e7ce90a;p=openvswitch

diff --git a/INSTALL.Linux b/INSTALL.Linux
index d5a3b7d6..8ba73ed3 100644
--- a/INSTALL.Linux
+++ b/INSTALL.Linux
@@ -3,7 +3,7 @@
 
 This document describes how to build and install Open vSwitch on a
 generic Linux host.  If you want to install Open vSwitch on a Citrix
-XenServer version 5.5.0, see INSTALL.XenServer instead.
+XenServer, see INSTALL.XenServer instead.
 
 This version of Open vSwitch may be built manually with "configure"
 and "make", as described below.  You may also build Debian packages by
@@ -20,6 +20,8 @@ you will need the following software:
     - The GNU C compiler.  We generally test with version 4.1, 4.2, or
       4.3.
 
+    - pkg-config.  We test with version 0.22.
+
     - libssl, from OpenSSL, is optional but recommended if you plan to
       connect the Open vSwitch to an OpenFlow controller.  libssl is
       required to establish confidentiality and authenticity in the
@@ -72,8 +74,6 @@ you will also need the following software:
 
     - Automake version 1.10 or later.
 
-    - pkg-config.  We test with version 0.22.
-
     - Python 2.x, for x >= 4.
 
 If you modify the ovsdbmonitor tool, then you will also need the
@@ -227,9 +227,21 @@ Prerequisites section, follow the procedure below to build.
         module loading, please include the output from the "dmesg" and
         "modinfo" commands mentioned above.
 
+   There is an optional module parameter to openvswitch_mod.ko called
+   vlan_tso that enables TCP segmentation offload over VLANs on NICs
+   that support it. Many drivers do not expose support for TSO on VLANs
+   in a way that Open vSwitch can use but there is no way to detect
+   whether this is the case. If you know that your particular driver can
+   handle it (for example by testing sending large TCP packets over VLANs)
+   then passing in a value of 1 may improve performance. Modules built for
+   Linux kernels 2.6.37 and later do not need this and do not have this
+   parameter. If you do not understand what this means or do not know if
+   your driver will work, do not set this.
+
 7. Initialize the configuration database using ovsdb-tool, e.g.:
 
-      % ovsdb-tool create /usr/local/etc/ovs-vswitchd.conf.db vswitchd/vswitch.ovsschema
+      % mkdir -p /usr/local/etc/openvswitch
+      % ovsdb-tool create /usr/local/etc/openvswitch/conf.db vswitchd/vswitch.ovsschema
 
 Startup
 =======
@@ -242,7 +254,7 @@ installation, above, to listen on a Unix domain socket, to connect to
 any managers specified in the database itself, and to use the SSL
 configuration in the database:
 
-      % ovsdb-server /usr/local/etc/ovs-vswitchd.conf.db \
+      % ovsdb-server /usr/local/etc/openvswitch/conf.db \
                       --remote=punix:/usr/local/var/run/openvswitch/db.sock \
                       --remote=db:Open_vSwitch,managers \
                       --private-key=db:SSL,private_key \
@@ -294,7 +306,7 @@ also upgrade the database schema:
       - If you want to preserve the contents of your database, back it
         up first, then use "ovsdb-tool convert" to upgrade it, e.g.:
 
-        % ovsdb-tool convert /usr/local/etc/ovs-vswitchd.conf.db vswitchd/vswitch.ovsschema
+        % ovsdb-tool convert /usr/local/etc/openvswitch/conf.db vswitchd/vswitch.ovsschema
 
 4. Start the Open vSwitch daemons as described under "Building and
    Installing Open vSwitch for Linux" above.