From: Joe Stringer <joestrin...@nicira.com>
Signed-off-by: Joe Stringer <joestrin...@nicira.com>
---
acinclude.m4 | 1 +
datapath/linux/compat/include/linux/netdevice.h | 4 ++++
2 files changed, 5 insertions(+)
diff --git a/acinclude.m4 b/acinclude.m4
index 090712e356df..5aaaa1081262 100644
--- a/acinclude.m4
+++ b/acinclude.m4
@@ -355,6 +355,7 @@ AC_DEFUN([OVS_CHECK_LINUX_COMPAT], [
OVS_GREP_IFELSE([$KSRC/include/linux/netdevice.h], [dev_disable_lro])
OVS_GREP_IFELSE([$KSRC/include/linux/netdevice.h], [dev_get_stats])
OVS_GREP_IFELSE([$KSRC/include/linux/netdevice.h], [dev_get_by_index_rcu])
+ OVS_GREP_IFELSE([$KSRC/include/linux/netdevice.h], [dev_recursion_level])
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], [ndo_get_iflink])
diff --git a/datapath/linux/compat/include/linux/netdevice.h
b/datapath/linux/compat/include/linux/netdevice.h
index 576989da5312..19a7b8ef53d2 100644
--- a/datapath/linux/compat/include/linux/netdevice.h
+++ b/datapath/linux/compat/include/linux/netdevice.h
@@ -199,6 +199,10 @@ struct pcpu_sw_netstats {
})
#endif
+#ifndef HAVE_DEV_RECURSION_LEVEL
+static inline bool dev_recursion_level(void) { return false; }
+#endif
+
#ifndef NET_NAME_USER
#define NET_NAME_USER 3
#endif
--
2.1.4
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