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70 lines
2.7 KiB
70 lines
2.7 KiB
From 2dec526496a62c3aaf849f24ec1b5983a91827a9 Mon Sep 17 00:00:00 2001
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From: Greg Rose <gvrose8192@gmail.com>
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Date: Mon, 6 Jan 2020 13:36:34 -0800
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Subject: [PATCH] compat: Include confirm_neigh parameter if needed
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A change backported to the Linux 4.14.162 LTS kernel requires
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a boolean parameter. Check for the presence of the parameter
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and adjust the caller in that case.
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Passes check-kmod test with no regressions.
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Passes Travis build here:
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https://travis-ci.org/gvrose8192/ovs-experimental/builds/633461320
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Signed-off-by: Greg Rose <gvrose8192@gmail.com>
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Signed-off-by: Simon Horman <simon.horman@netronome.com>
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Signed-off-by: Yousong Zhou <yszhou4tech@gmail.com>
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(fix acinclude.m4 patch conflict)
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---
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acinclude.m4 | 2 ++
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datapath/linux/compat/ip6_gre.c | 4 ++++
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datapath/linux/compat/ip_tunnel.c | 5 +++++
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3 files changed, 11 insertions(+)
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diff --git a/acinclude.m4 b/acinclude.m4
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index a581e1ef2..ec1f027e9 100644
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--- a/acinclude.m4
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+++ b/acinclude.m4
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@@ -1005,6 +1005,8 @@ AC_DEFUN([OVS_CHECK_LINUX_COMPAT], [
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[OVS_DEFINE([HAVE_GRE_CALC_HLEN])])
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OVS_GREP_IFELSE([$KSRC/include/net/gre.h], [ip_gre_calc_hlen],
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[OVS_DEFINE([HAVE_IP_GRE_CALC_HLEN])])
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+ OVS_GREP_IFELSE([$KSRC/include/net/dst_ops.h], [bool confirm_neigh],
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+ [OVS_DEFINE([HAVE_DST_OPS_CONFIRM_NEIGH])])
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if cmp -s datapath/linux/kcompat.h.new \
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datapath/linux/kcompat.h >/dev/null 2>&1; then
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diff --git a/datapath/linux/compat/ip6_gre.c b/datapath/linux/compat/ip6_gre.c
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index afff817ec..7fd345309 100644
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--- a/datapath/linux/compat/ip6_gre.c
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+++ b/datapath/linux/compat/ip6_gre.c
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@@ -1089,7 +1089,11 @@ static netdev_tx_t ip6erspan_tunnel_xmit(struct sk_buff *skb,
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/* TooBig packet may have updated dst->dev's mtu */
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if (!t->parms.collect_md && dst && dst_mtu(dst) > dst->dev->mtu)
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+#ifndef HAVE_DST_OPS_CONFIRM_NEIGH
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dst->ops->update_pmtu(dst, NULL, skb, dst->dev->mtu);
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+#else
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+ dst->ops->update_pmtu(dst, NULL, skb, dst->dev->mtu, false);
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+#endif
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err = ip6_tnl_xmit(skb, dev, dsfield, &fl6, encap_limit, &mtu,
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NEXTHDR_GRE);
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diff --git a/datapath/linux/compat/ip_tunnel.c b/datapath/linux/compat/ip_tunnel.c
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index 7dd57fee9..e7a039358 100644
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--- a/datapath/linux/compat/ip_tunnel.c
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+++ b/datapath/linux/compat/ip_tunnel.c
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@@ -267,7 +267,12 @@ static int rpl_tnl_update_pmtu(struct net_device *dev, struct sk_buff *skb,
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mtu = skb_valid_dst(skb) ? dst_mtu(skb_dst(skb)) : dev->mtu;
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if (skb_valid_dst(skb))
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+#ifndef HAVE_DST_OPS_CONFIRM_NEIGH
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skb_dst(skb)->ops->update_pmtu(skb_dst(skb), NULL, skb, mtu);
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+#else
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+ skb_dst(skb)->ops->update_pmtu(skb_dst(skb),
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+ NULL, skb, mtu, false);
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+#endif
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if (skb->protocol == htons(ETH_P_IP)) {
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if (!skb_is_gso(skb) &&
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