From c965c9770b0a8c49375fdf47c544bc2bb3c3bce6 Mon Sep 17 00:00:00 2001 From: Jozsef Kadlecsik Date: Thu, 19 Nov 2020 13:50:02 +0100 Subject: Compatibility: use skb_policy() from if_vlan.h if available Signed-off-by: Jozsef Kadlecsik --- configure.ac | 10 ++++++++++ 1 file changed, 10 insertions(+) (limited to 'configure.ac') diff --git a/configure.ac b/configure.ac index 7388cdd..dcb533d 100644 --- a/configure.ac +++ b/configure.ac @@ -756,6 +756,16 @@ else AC_SUBST(HAVE_LIST_FOR_EACH_ENTRY_RCU_FOUR_ARGS, undef) fi +AC_MSG_CHECKING([kernel source for skb_protocol() in if_vlan.h]) +if test -f $ksourcedir/include/linux/if_vlan.h && \ + $GREP -q 'static inline __be16 skb_protocol' $ksourcedir/include/linux/if_vlan.h; then + AC_MSG_RESULT(yes) + AC_SUBST(HAVE_SKB_PROTOCOL, define) +else + AC_MSG_RESULT(no) + AC_SUBST(HAVE_SKB_PROTOCOL, 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 -- cgit v1.2.3