diff options
| -rw-r--r-- | acinclude.m4 | 12 | ||||
| -rw-r--r-- | configure.ac | 1 | ||||
| -rw-r--r-- | lib/netdev-linux.c | 8 |
3 files changed, 21 insertions, 0 deletions
diff --git a/acinclude.m4 b/acinclude.m4 index 054ec2e3c..863a04349 100644 --- a/acinclude.m4 +++ b/acinclude.m4 @@ -250,6 +250,18 @@ AC_DEFUN([OVS_CHECK_LINUX_SCTP_CT], [ [Define to 1 if SCTP_CONNTRACK_HEARTBEAT_SENT is available.])]) ]) +dnl OVS_CHECK_LINUX_VIRTIO_TYPES +dnl +dnl Checks for kernels that need virtio_types definition. +AC_DEFUN([OVS_CHECK_LINUX_VIRTIO_TYPES], [ + AC_COMPILE_IFELSE([ + AC_LANG_PROGRAM([#include <linux/virtio_types.h>], [ + __virtio16 x = 0; + ])], + [AC_DEFINE([HAVE_VIRTIO_TYPES], [1], + [Define to 1 if __virtio16 is available.])]) +]) + dnl OVS_FIND_DEPENDENCY(FUNCTION, SEARCH_LIBS, NAME_TO_PRINT) dnl dnl Check for a function in a library list. diff --git a/configure.ac b/configure.ac index 1877aae56..5ce510c20 100644 --- a/configure.ac +++ b/configure.ac @@ -188,6 +188,7 @@ OVS_CHECK_LINUX OVS_CHECK_LINUX_NETLINK OVS_CHECK_LINUX_TC OVS_CHECK_LINUX_SCTP_CT +OVS_CHECK_LINUX_VIRTIO_TYPES OVS_CHECK_DPDK OVS_CHECK_PRAGMA_MESSAGE AC_SUBST([OVS_CFLAGS]) diff --git a/lib/netdev-linux.c b/lib/netdev-linux.c index 6269c24ac..fe7fb9b29 100644 --- a/lib/netdev-linux.c +++ b/lib/netdev-linux.c @@ -227,6 +227,14 @@ struct rtnl_link_stats64 { uint64_t tx_compressed; }; +/* Linux 3.19 introduced virtio_types.h. It might be missing + * if we are using old kernel. */ +#ifndef HAVE_VIRTIO_TYPES +typedef __u16 __bitwise__ __virtio16; +typedef __u32 __bitwise__ __virtio32; +typedef __u64 __bitwise__ __virtio64; +#endif + enum { VALID_IFINDEX = 1 << 0, VALID_ETHERADDR = 1 << 1, |