netdev - [PATCH net-next v4 1/5] ipv6: add fib6_has_custom

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Message-Id: <a74feb96efb0d6bec9f1f2598f5773991aa39e26.1574252982.git.pabeni@redhat.com>
Date:   Wed, 20 Nov 2019 13:47:33 +0100
From:   Paolo Abeni <pabeni@...hat.com>
To:     netdev@...r.kernel.org
Cc:     "David S. Miller" <davem@...emloft.net>,
        Willem de Bruijn <willemdebruijn.kernel@...il.com>,
        Edward Cree <ecree@...arflare.com>,
        David Ahern <dsahern@...il.com>,
        Eric Dumazet <eric.dumazet@...il.com>
Subject: [PATCH net-next v4 1/5] ipv6: add fib6_has_custom_rules() helper

It wraps the namespace field with the same name, to easily
access it regardless of build options.

Suggested-by: David Ahern <dsahern@...il.com>
Suggested-by: Eric Dumazet <eric.dumazet@...il.com>
Signed-off-by: Paolo Abeni <pabeni@...hat.com>
---
 include/net/ip6_fib.h | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/include/net/ip6_fib.h b/include/net/ip6_fib.h
index 5d1615463138..8ac3a59e5126 100644
--- a/include/net/ip6_fib.h
+++ b/include/net/ip6_fib.h
@@ -502,6 +502,11 @@ static inline bool fib6_metric_locked(struct fib6_info *f6i, int metric)
 }
 
 #ifdef CONFIG_IPV6_MULTIPLE_TABLES
+static inline bool fib6_has_custom_rules(const struct net *net)
+{
+	return net->ipv6.fib6_has_custom_rules;
+}
+
 int fib6_rules_init(void);
 void fib6_rules_cleanup(void);
 bool fib6_rule_default(const struct fib_rule *rule);
@@ -527,6 +532,10 @@ static inline bool fib6_rules_early_flow_dissect(struct net *net,
 	return true;
 }
 #else
+static inline bool fib6_has_custom_rules(const struct net *net)
+{
+	return false;
+}
 static inline int               fib6_rules_init(void)
 {
 	return 0;
-- 
2.21.0