From 3ee3e5ad6e6eb06f13297dd67054325a9af6926a Mon Sep 17 00:00:00 2001
From: Jozsef Kadlecsik <kadlec@blackhole.kfki.hu>
Date: Mon, 3 Nov 2014 18:35:28 +0100
Subject: Kernel API changes in em_ipset.c, support both old and new ones

---
 configure.ac | 22 ++++++++++++++++++++++
 1 file changed, 22 insertions(+)

(limited to 'configure.ac')

diff --git a/configure.ac b/configure.ac
index 10529af..8e5c270 100644
--- a/configure.ac
+++ b/configure.ac
@@ -333,6 +333,28 @@ else
 	AC_SUBST(HAVE_KVFREE, undef)
 fi
 
+AC_MSG_CHECKING([kernel source for struct net in the change function of tcf_ematch_ops])
+if test -f $ksourcedir/include/net/pkt_cls.h && \
+   $AWK '/^struct tcf_ematch_ops / {for(i=1; i<=5; i++) {getline; print}}' $ksourcedir/include/net/pkt_cls.h | \
+   $GREP -q '\*change..struct net \*net'; then
+	AC_MSG_RESULT(yes)
+	AC_SUBST(HAVE_TCF_EMATCH_OPS_CHANGE_ARG_NET, define)
+else
+	AC_MSG_RESULT(no)
+	AC_SUBST(HAVE_TCF_EMATCH_OPS_CHANGE_ARG_NET, undef)
+fi
+
+AC_MSG_CHECKING([kernel source for struct net in struct tcf_ematch])
+if test -f $ksourcedir/include/net/pkt_cls.h && \
+   $AWK '/^struct tcf_ematch_ops / {for(i=1; i<=7; i++) {getline; print}}' $ksourcedir/include/net/pkt_cls.h | \
+   $GREP -q 'struct net'; then
+	AC_MSG_RESULT(yes)
+	AC_SUBST(HAVE_TCF_EMATCH_STRUCT_NET, define)
+else
+	AC_MSG_RESULT(no)
+	AC_SUBST(HAVE_TCF_EMATCH_STRUCT_NET, undef)
+fi
+
 AC_MSG_CHECKING([kernel source for struct net_generic])
 if test -f $ksourcedir/include/net/netns/generic.h && \
    $GREP -q 'struct net_generic' $ksourcedir/include/net/netns/generic.h; then
-- 
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