From f67fbeaebdc0356e0cbc94f4b099f45ebe174b02 Mon Sep 17 00:00:00 2001 From: Brian Vazquez Date: Mon, 1 Feb 2021 17:41:31 +0000 Subject: net: use indirect call helpers for dst_mtu This patch avoids the indirect call for the common case: ip6_mtu and ipv4_mtu Signed-off-by: Brian Vazquez Signed-off-by: Jakub Kicinski --- net/ipv6/route.c | 6 ++++-- 1 file changed, 4 insertions(+), 2 deletions(-) (limited to 'net/ipv6/route.c') diff --git a/net/ipv6/route.c b/net/ipv6/route.c index 92b400eb8476..886b2095097e 100644 --- a/net/ipv6/route.c +++ b/net/ipv6/route.c @@ -83,7 +83,8 @@ enum rt6_nud_state { static struct dst_entry *ip6_dst_check(struct dst_entry *dst, u32 cookie); static unsigned int ip6_default_advmss(const struct dst_entry *dst); -static unsigned int ip6_mtu(const struct dst_entry *dst); +INDIRECT_CALLABLE_SCOPE +unsigned int ip6_mtu(const struct dst_entry *dst); static struct dst_entry *ip6_negative_advice(struct dst_entry *); static void ip6_dst_destroy(struct dst_entry *); static void ip6_dst_ifdown(struct dst_entry *, @@ -3089,7 +3090,7 @@ static unsigned int ip6_default_advmss(const struct dst_entry *dst) return mtu; } -static unsigned int ip6_mtu(const struct dst_entry *dst) +INDIRECT_CALLABLE_SCOPE unsigned int ip6_mtu(const struct dst_entry *dst) { struct inet6_dev *idev; unsigned int mtu; @@ -3111,6 +3112,7 @@ out: return mtu - lwtunnel_headroom(dst->lwtstate, mtu); } +EXPORT_SYMBOL(ip6_mtu); /* MTU selection: * 1. mtu on route is locked - use it -- cgit v1.2.3