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Date:   Wed, 22 May 2019 12:04:46 -0700
From:   David Ahern <>
Cc:, David Ahern <>
Subject: [PATCH v2 net-next 8/8] ipv4: Rename and export nh_update_mtu

From: David Ahern <>

Rename nh_update_mtu to fib_nhc_update_mtu and export for use by the
nexthop code.

Signed-off-by: David Ahern <>
 include/net/ip_fib.h     | 1 +
 net/ipv4/fib_semantics.c | 4 ++--
 2 files changed, 3 insertions(+), 2 deletions(-)

diff --git a/include/net/ip_fib.h b/include/net/ip_fib.h
index 8511ebb6f7be..70ba0302c8c9 100644
--- a/include/net/ip_fib.h
+++ b/include/net/ip_fib.h
@@ -432,6 +432,7 @@ int fib_sync_down_dev(struct net_device *dev, unsigned long event, bool force);
 int fib_sync_down_addr(struct net_device *dev, __be32 local);
 int fib_sync_up(struct net_device *dev, unsigned char nh_flags);
 void fib_sync_mtu(struct net_device *dev, u32 orig_mtu);
+void fib_nhc_update_mtu(struct fib_nh_common *nhc, u32 new, u32 orig);
 int fib_multipath_hash(const struct net *net, const struct flowi4 *fl4,
diff --git a/net/ipv4/fib_semantics.c b/net/ipv4/fib_semantics.c
index bd8c51d2c59b..78648072783e 100644
--- a/net/ipv4/fib_semantics.c
+++ b/net/ipv4/fib_semantics.c
@@ -1712,7 +1712,7 @@ static int call_fib_nh_notifiers(struct fib_nh *nh,
  * - if the new MTU is greater than the PMTU, don't make any change
  * - otherwise, unlock and set PMTU
-static void nh_update_mtu(struct fib_nh_common *nhc, u32 new, u32 orig)
+void fib_nhc_update_mtu(struct fib_nh_common *nhc, u32 new, u32 orig)
 	struct fnhe_hash_bucket *bucket;
 	int i;
@@ -1748,7 +1748,7 @@ void fib_sync_mtu(struct net_device *dev, u32 orig_mtu)
 	hlist_for_each_entry(nh, head, nh_hash) {
 		if (nh->fib_nh_dev == dev)
-			nh_update_mtu(&nh->nh_common, dev->mtu, orig_mtu);
+			fib_nhc_update_mtu(&nh->nh_common, dev->mtu, orig_mtu);

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