X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;f=acinclude.m4;h=fa6f534deb3cfa4f1f276a7cc77ca0a67083c643;hb=refs%2Fheads%2Fbranch-1.1;hp=6a829d596416fa72ae97f50b1ff6bbe3d474f964;hpb=cf6cb3a2ab31a16b01e18e1db2d601e92f2a405e;p=sliver-openvswitch.git

diff --git a/acinclude.m4 b/acinclude.m4
index 6a829d596..fa6f534de 100644
--- a/acinclude.m4
+++ b/acinclude.m4
@@ -167,6 +167,7 @@ AC_DEFUN([OVS_CHECK_LINUX26_COMPAT], [
 
   OVS_GREP_IFELSE([$KSRC26/include/linux/netdevice.h], [dev_disable_lro])
   OVS_GREP_IFELSE([$KSRC26/include/linux/netdevice.h], [dev_get_stats])
+  OVS_GREP_IFELSE([$KSRC26/include/linux/netdevice.h], [dev_get_by_index_rcu])
 
   OVS_GREP_IFELSE([$KSRC26/include/linux/rcupdate.h], [rcu_read_lock_held], [],
                   [OVS_GREP_IFELSE([$KSRC26/include/linux/rtnetlink.h],
@@ -210,6 +211,9 @@ AC_DEFUN([OVS_CHECK_LINUX26_COMPAT], [
 
   OVS_GREP_IFELSE([$KSRC26/include/linux/if_link.h], [rtnl_link_stats64])
 
+  OVS_GREP_IFELSE([$KSRC26/include/linux/if_vlan.h], [ADD_ALL_VLANS_CMD],
+                  [OVS_DEFINE([HAVE_VLAN_BUG_WORKAROUND])])
+
   OVS_CHECK_LOG2_H
 
   if cmp -s datapath/linux-2.6/kcompat.h.new \
@@ -306,3 +310,29 @@ AC_DEFUN([OVS_CONDITIONAL_CC_OPTION],
     [$1], [ovs_have_cc_option=yes], [ovs_have_cc_option=no])
    AM_CONDITIONAL([$2], [test $ovs_have_cc_option = yes])])
 dnl ----------------------------------------------------------------------
+
+dnl Check for too-old XenServer.
+AC_DEFUN([OVS_CHECK_XENSERVER_VERSION],
+  [AC_CACHE_CHECK([XenServer release], [ovs_cv_xsversion],
+    [if test -e /etc/redhat-release; then
+       ovs_cv_xsversion=`sed -n 's/^XenServer DDK release \([[^-]]*\)-.*/\1/p' /etc/redhat-release`
+     fi
+     if test -z "$ovs_cv_xsversion"; then
+       ovs_cv_xsversion=none
+     fi])
+  case $ovs_cv_xsversion in
+    none)
+      ;;
+
+    [[1-9]][[0-9]]* |                    dnl XenServer 10 or later
+    [[6-9]]* |                           dnl XenServer 6 or later
+    5.[[7-9]]* |                         dnl XenServer 5.7 or later
+    5.6.[[1-9]][[0-9]][[0-9]][[0-9]]* |  dnl XenServer 5.6.1000 or later
+    5.6.[[2-9]][[0-9]][[0-9]]* |         dnl XenServer 5.6.200 or later
+    5.6.1[[0-9]][[0-9]])                 dnl Xenserver 5.6.100 or later
+      ;;
+
+    *)
+      AC_MSG_ERROR([This appears to be XenServer $ovs_cv_xsversion, but only XenServer 5.6.100 or later is supported.  (If you are really using a supported version of XenServer, you may override this error message by specifying 'ovs_cv_xsversion=5.6.100' on the "configure" command line.)])
+      ;;
+  esac])