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authorBrian Vazquez <brianvv@google.com>2021-02-01 20:41:31 +0300
committerJakub Kicinski <kuba@kernel.org>2021-02-04 01:51:39 +0300
commitf67fbeaebdc0356e0cbc94f4b099f45ebe174b02 (patch)
tree77b794d20e7e5ebfdbe63a7c899c96e787c50a08 /net/ipv6
parent6585d7dc491d9d5e323ed52ee32ad071e04c9dfa (diff)
downloadlinux-f67fbeaebdc0356e0cbc94f4b099f45ebe174b02.tar.xz
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 <brianvv@google.com> Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Diffstat (limited to 'net/ipv6')
-rw-r--r--net/ipv6/route.c6
1 files changed, 4 insertions, 2 deletions
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