Add check for __vlan_find_dev_deep_rcu

Signed-off-by: Steve Wise <swise@opengridcomputing.com>

diff --git a/config/rdma.m4 b/config/rdma.m4
index 2b4fdd7ceb987d0b440c517e55aa96f68c2f3f1b..bc807c8f1210c3f41755624e366f431db592c48c 100644 (file)
--- a/config/rdma.m4
+++ b/config/rdma.m4
@@ -671,6 +671,22 @@ AC_DEFUN([LINUX_CONFIG_COMPAT],
        ],[
                AC_MSG_RESULT(no)
        ])
+
+       AC_MSG_CHECKING([if if_vlan.h has __vlan_find_dev_deep_rcu])
+       LB_LINUX_TRY_COMPILE([
+               #include <linux/if_vlan.h>
+       ],[
+               __vlan_find_dev_deep_rcu(NULL, 0, 0);
+
+               return 0;
+       ],[
+               AC_MSG_RESULT(yes)
+               AC_DEFINE(HAVE___VLAN_FIND_DEV_DEEP_RCU, 1,
+                         [__vlan_find_dev_deep_rcu is defined])
+       ],[
+               AC_MSG_RESULT(no)
+       ])
+
 ])
 #
 # COMPAT_CONFIG_HEADERS