A change backported to the Linux 4.14.162 LTS kernel requires
a boolean parameter. Check for the presence of the parameter
and adjust the caller in that case.
Passes check-kmod test with no regressions.
Passes Travis build here:
https://travis-ci.org/gvrose8192/ovs-experimental/builds/
633461320
Signed-off-by: Greg Rose <gvrose8192@gmail.com>
Signed-off-by: Simon Horman <simon.horman@netronome.com>
[OVS_DEFINE([HAVE_IP_GRE_CALC_HLEN])])
OVS_GREP_IFELSE([$KSRC/include/linux/rbtree.h], [rb_link_node_rcu],
[OVS_DEFINE([HAVE_RBTREE_RB_LINK_NODE_RCU])])
+ OVS_GREP_IFELSE([$KSRC/include/net/dst_ops.h], [bool confirm_neigh],
+ [OVS_DEFINE([HAVE_DST_OPS_CONFIRM_NEIGH])])
if cmp -s datapath/linux/kcompat.h.new \
datapath/linux/kcompat.h >/dev/null 2>&1; then
/* TooBig packet may have updated dst->dev's mtu */
if (!t->parms.collect_md && dst && dst_mtu(dst) > dst->dev->mtu)
+#ifndef HAVE_DST_OPS_CONFIRM_NEIGH
dst->ops->update_pmtu(dst, NULL, skb, dst->dev->mtu);
+#else
+ dst->ops->update_pmtu(dst, NULL, skb, dst->dev->mtu, false);
+#endif
err = ip6_tnl_xmit(skb, dev, dsfield, &fl6, encap_limit, &mtu,
NEXTHDR_GRE);
mtu = skb_valid_dst(skb) ? dst_mtu(skb_dst(skb)) : dev->mtu;
if (skb_valid_dst(skb))
+#ifndef HAVE_DST_OPS_CONFIRM_NEIGH
skb_dst(skb)->ops->update_pmtu(skb_dst(skb), NULL, skb, mtu);
+#else
+ skb_dst(skb)->ops->update_pmtu(skb_dst(skb),
+ NULL, skb, mtu, false);
+#endif
if (skb->protocol == htons(ETH_P_IP)) {
if (!skb_is_gso(skb) &&