diff options
| author | Brian Vazquez <brianvv@google.com> | 2021-02-01 18:41:31 +0100 |
|---|---|---|
| committer | Jakub Kicinski <kuba@kernel.org> | 2021-02-03 23:51:39 +0100 |
| commit | f67fbeaebdc0356e0cbc94f4b099f45ebe174b02 (patch) | |
| tree | 77b794d20e7e5ebfdbe63a7c899c96e787c50a08 /net | |
| parent | net: use indirect call helpers for dst_output (diff) | |
| download | linux-f67fbeaebdc0356e0cbc94f4b099f45ebe174b02.tar.xz linux-f67fbeaebdc0356e0cbc94f4b099f45ebe174b02.zip | |
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')
| -rw-r--r-- | net/ipv4/route.c | 6 | ||||
| -rw-r--r-- | net/ipv6/route.c | 6 |
2 files changed, 8 insertions, 4 deletions
diff --git a/net/ipv4/route.c b/net/ipv4/route.c index e26652ff7059..4fac91f8bd6c 100644 --- a/net/ipv4/route.c +++ b/net/ipv4/route.c @@ -135,7 +135,8 @@ static int ip_rt_gc_timeout __read_mostly = RT_GC_TIMEOUT; static struct dst_entry *ipv4_dst_check(struct dst_entry *dst, u32 cookie); static unsigned int ipv4_default_advmss(const struct dst_entry *dst); -static unsigned int ipv4_mtu(const struct dst_entry *dst); +INDIRECT_CALLABLE_SCOPE +unsigned int ipv4_mtu(const struct dst_entry *dst); static struct dst_entry *ipv4_negative_advice(struct dst_entry *dst); static void ipv4_link_failure(struct sk_buff *skb); static void ip_rt_update_pmtu(struct dst_entry *dst, struct sock *sk, @@ -1311,7 +1312,7 @@ static unsigned int ipv4_default_advmss(const struct dst_entry *dst) return min(advmss, IPV4_MAX_PMTU - header_size); } -static unsigned int ipv4_mtu(const struct dst_entry *dst) +INDIRECT_CALLABLE_SCOPE unsigned int ipv4_mtu(const struct dst_entry *dst) { const struct rtable *rt = (const struct rtable *)dst; unsigned int mtu = rt->rt_pmtu; @@ -1333,6 +1334,7 @@ static unsigned int ipv4_mtu(const struct dst_entry *dst) return mtu - lwtunnel_headroom(dst->lwtstate, mtu); } +EXPORT_SYMBOL(ipv4_mtu); static void ip_del_fnhe(struct fib_nh_common *nhc, __be32 daddr) { 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 |