Add new rules for cxgb4/RHEL6.6

Add HAVE_MM_TYPES_PAGE_FRAG check
Add HAVE___VLAN_FIND_DEV_DEV check

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

diff --git a/config/rdma.m4 b/config/rdma.m4
index b4c07faac50ec94974f1ae39fbabdb1e632768a5..844129cf89e97097a42f2ecc425ea1f7561a37c7 100644 (file)
--- a/config/rdma.m4
+++ b/config/rdma.m4
@@ -1740,6 +1740,11 @@ AC_DEFUN([LINUX_CONFIG_COMPAT],
                AC_MSG_RESULT(no)
        ])
 
+       AC_LANG_PUSH(C)
+       ac_c_werror_flag=yes
+       save_EXTRA_KCFLAGS=$EXTRA_KCFLAGS
+       EXTRA_KCFLAGS="$EXTRA_KCFLAGS -Werror"
+
        AC_MSG_CHECKING([if bonding.h bond_for_each_slave has int for 3rd parameter])
        LB_LINUX_TRY_COMPILE([
                #include "../drivers/net/bonding/bonding.h"
@@ -1758,6 +1763,9 @@ AC_DEFUN([LINUX_CONFIG_COMPAT],
        ],[
                AC_MSG_RESULT(no)
        ])
+       EXTRA_KCFLAGS="$save_EXTRA_KCFLAGS"
+       ac_c_werror_flag=
+       AC_LANG_POP
 
        AC_MSG_CHECKING([if netdevice.h has netdev_master_upper_dev_get_rcu])
        LB_LINUX_TRY_COMPILE([
@@ -1819,6 +1827,36 @@ AC_DEFUN([LINUX_CONFIG_COMPAT],
                AC_MSG_RESULT(no)
        ])
 
+       AC_MSG_CHECKING([if linux/mm_types.h has struct page_frag])
+       LB_LINUX_TRY_COMPILE([
+               #include <linux/mm_types.h>
+       ],[
+               struct page_frag frag = {0};
+
+               return 0;
+       ],[
+               AC_MSG_RESULT(yes)
+               AC_DEFINE(HAVE_MM_TYPES_PAGE_FRAG, 1,
+                         [linux/mm_types.h has struct page_frag])
+       ],[
+               AC_MSG_RESULT(no)
+       ])
+
+       AC_MSG_CHECKING([if if_vlan.h has __vlan_find_dev_deep])
+       LB_LINUX_TRY_COMPILE([
+               #include <linux/if_vlan.h>
+       ],[
+               __vlan_find_dev_deep(NULL, 0);
+
+               return 0;
+       ],[
+               AC_MSG_RESULT(yes)
+               AC_DEFINE(HAVE___VLAN_FIND_DEV_DEEP, 1,
+                         [__vlan_find_dev_deep is defined])
+       ],[
+               AC_MSG_RESULT(no)
+       ])
+
 ])
 #
 # COMPAT_CONFIG_HEADERS