From a065f8ed355f08131c39787b4c7a41543ff643b3 Mon Sep 17 00:00:00 2001 From: Serhey Popovych Date: Fri, 29 Nov 2019 11:21:32 +0200 Subject: em_ipset: Build on old kernels Make sure TCF_EM_IPSET defined and corresponds to current upstream value if not defined in target kernel. You need iproute2 version that supports em_ipset to communicate correctly. Include ip_set_compat.h after pkt_cls.h to prevent TCF_EM_IPSET redefine error. Detect skb->iif => skb->skb_iif rename after commit 8964be4a9a5c ("net: rename skb->iif to skb->skb_iif"). Add dev_get_by_index_rcu() define pointing to __dev_get_by_index() to build on RHEL6 kernels with explicit note that this may not work on all architectures. Always build em_ipset regardless of CONFIG_NET_EMATCH_IPSET option. Signed-off-by: Serhey Popovych Signed-off-by: Jozsef Kadlecsik --- configure.ac | 11 +++++++++++ 1 file changed, 11 insertions(+) (limited to 'configure.ac') diff --git a/configure.ac b/configure.ac index 17ba184..e3ddcce 100644 --- a/configure.ac +++ b/configure.ac @@ -554,6 +554,17 @@ else fi fi +AC_MSG_CHECKING([kernel source for iif to skb_iif rename in struct sk_buff]) +if test -f $ksourcedir/include/linux/skbuff.h && \ + $AWK '/^struct sk_buff {/,/^};$/' $ksourcedir/include/linux/skbuff.h | \ + $GREP -q 'skb_iif'; then + AC_MSG_RESULT(yes) + AC_SUBST(HAVE_SKB_IIF, define) +else + AC_MSG_RESULT(no) + AC_SUBST(HAVE_SKB_IIF, undef) +fi + AC_MSG_CHECKING([kernel source for struct net in struct xt_action_param]) if test -f $ksourcedir/include/linux/netfilter/x_tables.h && \ $AWK '/^struct xt_action_param /,/^}/' $ksourcedir/include/linux/netfilter/x_tables.h | \ -- cgit v1.2.3