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>
diff --git a/include/net/dst.h b/include/net/dst.h
index 3932e99..9f474a7 100644
--- a/include/net/dst.h
+++ b/include/net/dst.h
@@ -194,9 +194,11 @@ dst_feature(const struct dst_entry *dst, u32 feature)
return dst_metric(dst, RTAX_FEATURES) & feature;
}
+INDIRECT_CALLABLE_DECLARE(unsigned int ip6_mtu(const struct dst_entry *));
+INDIRECT_CALLABLE_DECLARE(unsigned int ipv4_mtu(const struct dst_entry *));
static inline u32 dst_mtu(const struct dst_entry *dst)
{
- return dst->ops->mtu(dst);
+ return INDIRECT_CALL_INET(dst->ops->mtu, ip6_mtu, ipv4_mtu, dst);
}
/* RTT metrics are stored in milliseconds for user ABI, but used as jiffies */
