datapath: Optimize Flow mask cache hash collision case.

[cascardo/ovs.git] / acinclude.m4

diff --git a/acinclude.m4 b/acinclude.m4
index 5ed02d2..3d6de28 100644 (file)
--- a/acinclude.m4
+++ b/acinclude.m4
@@ -273,6 +273,8 @@ AC_DEFUN([OVS_CHECK_LINUX_COMPAT], [
   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], [rxhash])
+  OVS_GREP_IFELSE([$KSRC/include/linux/skbuff.h], [u16.*rxhash],
+                  [OVS_DEFINE([HAVE_U16_RXHASH])])
   OVS_GREP_IFELSE([$KSRC/include/linux/skbuff.h], [skb_dst(],
                   [OVS_DEFINE([HAVE_SKB_DST_ACCESSOR_FUNCS])])
   OVS_GREP_IFELSE([$KSRC/include/linux/skbuff.h], 
@@ -322,6 +324,8 @@ AC_DEFUN([OVS_CHECK_LINUX_COMPAT], [
 
   OVS_GREP_IFELSE([$KSRC/include/linux/percpu.h], [this_cpu_ptr])
 
+  OVS_GREP_IFELSE([$KSRC/include/linux/u64_stats_sync.h], [u64_stats_fetch_begin_irq])
+
   OVS_GREP_IFELSE([$KSRC/include/linux/openvswitch.h], [openvswitch_handle_frame_hook],
                   [OVS_DEFINE([HAVE_RHEL_OVS_HOOK])])