If 'ndo_size' is not set in 'struct net_device_ops', RHEL kernel will not
make use of functions in 'struct net_device_ops_extended'.
Fixes: 39ca338374ab ("datapath: compat: Fix build on RHEL 7.5")
Reported-by: Jiri Benc
Reported-at: https://mail.openvswitch.org/pipermail/ovs-dev/2018-May/347070.html
Signed-off-by: Yi-Hung Wei
---
datapath/linux/compat/geneve.c | 1 +
datapath/linux/compat/ip_gre.c | 1 +
datapath/linux/compat/lisp.c | 1 +
datapath/linux/compat/stt.c| 1 +
datapath/linux/compat/vxlan.c | 2 ++
5 files changed, 6 insertions(+)
diff --git a/datapath/linux/compat/geneve.c b/datapath/linux/compat/geneve.c
index eacffb2c5b2a..0fcc6e51d708 100644
--- a/datapath/linux/compat/geneve.c
+++ b/datapath/linux/compat/geneve.c
@@ -1272,6 +1272,7 @@ static const struct net_device_ops geneve_netdev_ops = {
.ndo_start_xmit = geneve_dev_xmit,
.ndo_get_stats64= ip_tunnel_get_stats64,
#ifdef HAVE_RHEL7_MAX_MTU
+ .ndo_size = sizeof(struct net_device_ops),
.extended.ndo_change_mtu = geneve_change_mtu,
#else
.ndo_change_mtu = geneve_change_mtu,
diff --git a/datapath/linux/compat/ip_gre.c b/datapath/linux/compat/ip_gre.c
index 2f297a548e30..a4cae626e174 100644
--- a/datapath/linux/compat/ip_gre.c
+++ b/datapath/linux/compat/ip_gre.c
@@ -492,6 +492,7 @@ static const struct net_device_ops gre_tap_netdev_ops = {
.ndo_set_mac_address= eth_mac_addr,
.ndo_validate_addr = eth_validate_addr,
#ifdef HAVE_RHEL7_MAX_MTU
+ .ndo_size = sizeof(struct net_device_ops),
.extended.ndo_change_mtu = ip_tunnel_change_mtu,
#else
.ndo_change_mtu = ip_tunnel_change_mtu,
diff --git a/datapath/linux/compat/lisp.c b/datapath/linux/compat/lisp.c
index 4882a636a33e..5055b862f2c0 100644
--- a/datapath/linux/compat/lisp.c
+++ b/datapath/linux/compat/lisp.c
@@ -547,6 +547,7 @@ static const struct net_device_ops lisp_netdev_ops = {
.ndo_stop = lisp_stop,
.ndo_start_xmit = lisp_dev_xmit,
#ifdef HAVE_RHEL7_MAX_MTU
+ .ndo_size = sizeof(struct net_device_ops),
.extended.ndo_change_mtu = lisp_change_mtu,
#else
.ndo_change_mtu = lisp_change_mtu,
diff --git a/datapath/linux/compat/stt.c b/datapath/linux/compat/stt.c
index ee1c7aa0a78d..c57c2bee0161 100644
--- a/datapath/linux/compat/stt.c
+++ b/datapath/linux/compat/stt.c
@@ -1858,6 +1858,7 @@ static const struct net_device_ops stt_netdev_ops = {
.ndo_start_xmit = stt_dev_xmit,
.ndo_get_stats64= ip_tunnel_get_stats64,
#ifdef HAVE_RHEL7_MAX_MTU
+ .ndo_size = sizeof(struct net_device_ops),
.extended.ndo_change_mtu = stt_change_mtu,
#else
.ndo_change_mtu = stt_change_mtu,
diff --git a/datapath/linux/compat/vxlan.c b/datapath/linux/compat/vxlan.c
index 40cb12b1329d..fa4e7b11cee4 100644
--- a/datapath/linux/compat/vxlan.c
+++ b/datapath/linux/compat/vxlan.c
@@ -1482,6 +1482,7 @@ static const struct net_device_ops vxlan_netdev_ether_ops
= {
.ndo_get_stats64= ip_tunnel_get_stats64,
.ndo_set_rx_mode= vxlan_set_multicast_list,
#ifdef HAVE_RHEL7_MAX_MTU
+ .ndo_size = sizeof(struct net_device_ops),
.extended.ndo_change_mtu = vxlan_change_mtu,
#else
.ndo_change_mtu = vxlan_change_mtu,
@@ -1501,6 +1502,7 @@ static const struct net_device_ops vxlan_netdev_raw_ops =
{
.ndo_start_xmit = vxlan_dev_xmit,
.ndo_get_stats64= ip_tunnel_get_stats64,
#ifdef HAVE_RHEL7_MAX_MTU
+ .ndo_size = sizeof(struct net_device_ops),
.extended.ndo_change_mtu = vxlan_change_mtu,
#else
.ndo_change_mtu = vxlan_change_mtu,
--
2.7.4
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