diff options
Diffstat (limited to 'm4/openvswitch.m4')
| -rw-r--r-- | m4/openvswitch.m4 | 21 |
1 files changed, 20 insertions, 1 deletions
diff --git a/m4/openvswitch.m4 b/m4/openvswitch.m4 index 077c29b9..e6d03a6b 100644 --- a/m4/openvswitch.m4 +++ b/m4/openvswitch.m4 @@ -1,6 +1,6 @@ # -*- autoconf -*- -# Copyright (c) 2008, 2009, 2010 Nicira Networks. +# Copyright (c) 2008, 2009, 2010, 2011 Nicira Networks. # # Licensed under the Apache License, Version 2.0 (the "License"); # you may not use this file except in compliance with the License. @@ -46,6 +46,25 @@ AC_DEFUN([OVS_CHECK_NDEBUG], [ndebug=false]) AM_CONDITIONAL([NDEBUG], [test x$ndebug = xtrue])]) +dnl Checks for struct rtnl_link_stats64. +dnl +dnl (OVS checks for this structure in both kernel and userspace headers. This +dnl is not redundant, because the kernel and userspace builds have completely +dnl different include paths. It is possible for the kernel to have this +dnl structure but not userspace, and vice versa.) +AC_DEFUN([OVS_CHECK_RTNL_LINK_STATS64], + [AC_REQUIRE([OVS_CHECK_NETLINK]) + if test $HAVE_NETLINK = yes; then + AC_CHECK_MEMBER( + [struct rtnl_link_stats64.tx_packets], + [AC_DEFINE([HAVE_RTNL_LINK_STATS64], [1], + [Define to 1 if <linux/if_link.h> defines + struct rtnl_link_stats64.])], + [], [#include <sys/socket.h> /* Provides sa_family_t. */ +#include <linux/if_link.h> +]) + fi]) + dnl Checks for Netlink support. AC_DEFUN([OVS_CHECK_NETLINK], [AC_CHECK_HEADER([linux/netlink.h], |