diff options
| author | Joe Stringer <joestringer@nicira.com> | 2015-12-02 23:53:44 -0800 |
|---|---|---|
| committer | Joe Stringer <joe@ovn.org> | 2015-12-03 17:08:16 -0800 |
| commit | 213e1f54b4b331b5cfee22a4b770e24db77ec35c (patch) | |
| tree | 999edefa94013728eccd7a502061f14c4ce7d956 /acinclude.m4 | |
| parent | cfda4537ec769d79066ad3a0f68352afd3ca648a (diff) | |
| download | openvswitch-213e1f54b4b331b5cfee22a4b770e24db77ec35c.tar.gz | |
compat: Wrap IPv4 fragmentation.
Most kernels provide some form of ip fragmentation. However, until
recently many of them would always send ICMP responses for over_MTU
packets, even when operating in bridge mode. Backport the check to
ensure this doesn't occur.
Signed-off-by: Joe Stringer <joestringer@nicira.com>
Acked-by: Pravin B Shelar <pshelar@nicira.com>
Diffstat (limited to 'acinclude.m4')
| -rw-r--r-- | acinclude.m4 | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/acinclude.m4 b/acinclude.m4 index 78da9402b..663f5f07e 100644 --- a/acinclude.m4 +++ b/acinclude.m4 @@ -347,6 +347,7 @@ AC_DEFUN([OVS_CHECK_LINUX_COMPAT], [ OVS_GREP_IFELSE([$KSRC/include/net/ip.h], [inet_get_local_port_range.*net], [OVS_DEFINE([HAVE_INET_GET_LOCAL_PORT_RANGE_USING_NET])]) + OVS_GREP_IFELSE([$KSRC/include/net/ip.h], [ip_do_fragment]) OVS_GREP_IFELSE([$KSRC/include/net/ip.h], [ip_is_fragment]) OVS_GREP_IFELSE([$KSRC/include/net/ip.h], [ip_skb_dst_mtu]) OVS_GREP_IFELSE([$KSRC/include/net/dst_metadata.h], [metadata_dst]) @@ -473,6 +474,9 @@ AC_DEFUN([OVS_CHECK_LINUX_COMPAT], [ OVS_GREP_IFELSE([$KSRC/include/net/gre.h], [gre_handle_offloads]) OVS_GREP_IFELSE([$KSRC/include/net/ipv6.h], [IP6_FH_F_SKIP_RH]) OVS_GREP_IFELSE([$KSRC/include/net/ipv6.h], [ip6_local_out_sk]) + OVS_GREP_IFELSE([$KSRC/include/net/ip6_route.h], [ip6_frag.*sock], + [OVS_DEFINE([HAVE_IP_FRAGMENT_TAKES_SOCK])]) + OVS_GREP_IFELSE([$KSRC/include/net/netlink.h], [nla_get_be16]) OVS_GREP_IFELSE([$KSRC/include/net/netlink.h], [nla_put_be16]) OVS_GREP_IFELSE([$KSRC/include/net/netlink.h], [nla_put_be32]) |