updated to new rx_recv semantics

[sliver-openvswitch.git] / acinclude.m4

diff --git a/acinclude.m4 b/acinclude.m4
index 73ee5ce..8ff5828 100644 (file)
--- a/acinclude.m4
+++ b/acinclude.m4
@@ -134,14 +134,16 @@ AC_DEFUN([OVS_CHECK_LINUX], [
     AC_MSG_RESULT([$kversion])
 
     if test "$version" -ge 3; then
-       : # Linux 3.x
-    elif test "$version" = 2 && test "$patchlevel" -ge 6; then
-       : # Linux 2.6.x
+       if test "$version" = 3 && test "$patchlevel" -le 11; then
+          : # Linux 3.x
+       else
+         AC_ERROR([Linux kernel in $KBUILD is version $kversion, but version newer than 3.11.x is not supported])
+       fi
     else
-       if test "$KBUILD" = "$KSRC"; then
-         AC_ERROR([Linux kernel in $KBUILD is version $kversion, but version 2.6 or later is required])
+       if test "$version" -le 1 || test "$patchlevel" -le 5 || test "$sublevel" -le 31; then
+         AC_ERROR([Linux kernel in $KBUILD is version $kversion, but version 2.6.32 or later is required])
        else
-         AC_ERROR([Linux kernel in build tree $KBUILD (source tree $KSRC) is version $kversion, but version 2.6 or later is required])
+         : # Linux 2.6.x
        fi
     fi
     if (test ! -e "$KBUILD"/include/linux/version.h && \
@@ -226,10 +228,12 @@ AC_DEFUN([OVS_CHECK_LINUX_COMPAT], [
   OVS_GREP_IFELSE([$KSRC/include/linux/netdevice.h], [dev_get_by_index_rcu])
   OVS_GREP_IFELSE([$KSRC/include/linux/netdevice.h], [__skb_gso_segment])
   OVS_GREP_IFELSE([$KSRC/include/linux/netdevice.h], [can_checksum_protocol])
+  OVS_GREP_IFELSE([$KSRC/include/linux/netdevice.h], [netdev_features_t])
 
   OVS_GREP_IFELSE([$KSRC/include/linux/rcupdate.h], [rcu_read_lock_held], [],
                   [OVS_GREP_IFELSE([$KSRC/include/linux/rtnetlink.h],
                                    [rcu_read_lock_held])])
+  OVS_GREP_IFELSE([$KSRC/include/linux/rtnetlink.h], [lockdep_rtnl_is_held])
   
   # Check for the proto_data_valid member in struct sk_buff.  The [^@]
   # is necessary because some versions of this header remove the
@@ -238,8 +242,7 @@ AC_DEFUN([OVS_CHECK_LINUX_COMPAT], [
   # quoting rules.
   OVS_GREP_IFELSE([$KSRC/include/linux/skbuff.h], [[[^@]]proto_data_valid],
                   [OVS_DEFINE([HAVE_PROTO_DATA_VALID])])
-  OVS_GREP_IFELSE([$KSRC/include/linux/skbuff.h], [raw],
-                  [OVS_DEFINE([HAVE_MAC_RAW])])
+  OVS_GREP_IFELSE([$KSRC/include/linux/skbuff.h], [rxhash])
   OVS_GREP_IFELSE([$KSRC/include/linux/skbuff.h], [skb_dst(],
                   [OVS_DEFINE([HAVE_SKB_DST_ACCESSOR_FUNCS])])
   OVS_GREP_IFELSE([$KSRC/include/linux/skbuff.h], 
@@ -255,12 +258,11 @@ AC_DEFUN([OVS_CHECK_LINUX_COMPAT], [
                   [OVS_DEFINE([HAVE_SKB_WARN_LRO])])
   OVS_GREP_IFELSE([$KSRC/include/linux/skbuff.h], [consume_skb])
   OVS_GREP_IFELSE([$KSRC/include/linux/skbuff.h], [skb_frag_page])
+  OVS_GREP_IFELSE([$KSRC/include/linux/skbuff.h], [skb_has_frag_list])
+  OVS_GREP_IFELSE([$KSRC/include/linux/skbuff.h], [__skb_fill_page_desc])
   OVS_GREP_IFELSE([$KSRC/include/linux/skbuff.h], [skb_reset_mac_len])
   OVS_GREP_IFELSE([$KSRC/include/linux/skbuff.h], [skb_unclone])
 
-  OVS_GREP_IFELSE([$KSRC/include/linux/string.h], [kmemdup], [],
-                  [OVS_GREP_IFELSE([$KSRC/include/linux/slab.h], [kmemdup])])
-
   OVS_GREP_IFELSE([$KSRC/include/linux/types.h], [bool],
                   [OVS_DEFINE([HAVE_BOOL_TYPE])])
   OVS_GREP_IFELSE([$KSRC/include/linux/types.h], [__wsum],
@@ -272,13 +274,15 @@ AC_DEFUN([OVS_CHECK_LINUX_COMPAT], [
   OVS_GREP_IFELSE([$KSRC/include/net/checksum.h], [csum_unfold])
 
   OVS_GREP_IFELSE([$KSRC/include/net/genetlink.h], [parallel_ops])
-  OVS_GREP_IFELSE([$KSRC/include/net/netlink.h], [NLA_NUL_STRING])
+  OVS_GREP_IFELSE([$KSRC/include/net/gre.h], [gre_cisco_register])
   OVS_GREP_IFELSE([$KSRC/include/net/netlink.h], [nla_get_be16])
   OVS_GREP_IFELSE([$KSRC/include/net/netlink.h], [nla_put_be16])
   OVS_GREP_IFELSE([$KSRC/include/net/netlink.h], [nla_put_be32])
   OVS_GREP_IFELSE([$KSRC/include/net/netlink.h], [nla_put_be64])
   OVS_GREP_IFELSE([$KSRC/include/net/netlink.h], [nla_find_nested])
 
+  OVS_GREP_IFELSE([$KSRC/include/net/sctp/checksum.h], [sctp_compute_cksum])
+
   OVS_GREP_IFELSE([$KSRC/include/linux/if_vlan.h], [ADD_ALL_VLANS_CMD],
                   [OVS_DEFINE([HAVE_VLAN_BUG_WORKAROUND])])
 
@@ -526,7 +530,7 @@ AC_DEFUN([OVS_ENABLE_SPARSE],
    AC_SUBST([SPARSE])
    AC_CONFIG_COMMANDS_PRE(
      [if test $ovs_cv_gnu_make_if = yes; then
-        CC='$(if $(C),REAL_CC="'"$CC"'" CHECK="$(SPARSE) -I $(top_srcdir)/include/sparse $(SPARSEFLAGS) $(SPARSE_EXTRA_INCLUDES) " cgcc $(CGCCFLAGS),'"$CC"')'
+        CC='$(if $(C),env REAL_CC="'"$CC"'" CHECK="$(SPARSE) -I $(top_srcdir)/include/sparse $(SPARSEFLAGS) $(SPARSE_EXTRA_INCLUDES) " cgcc $(CGCCFLAGS),'"$CC"')'
       fi])])
 
 dnl OVS_PTHREAD_SET_NAME