[PATCH net-next RFC v1 10/27] afnetns: add ifa_find_afnetns_rcu
From: Hannes Frederic Sowa <hidden>
Date: 2017-03-12 23:02:13
Subsystem:
networking drivers, networking [ipv4/ipv6], the rest · Maintainers:
Andrew Lunn, "David S. Miller", Eric Dumazet, Jakub Kicinski, Paolo Abeni, David Ahern, Ido Schimmel, Linus Torvalds
Signed-off-by: Hannes Frederic Sowa <redacted> --- include/linux/inetdevice.h | 11 +++++++++++ 1 file changed, 11 insertions(+)
diff --git a/include/linux/inetdevice.h b/include/linux/inetdevice.h
index eb1b662f62626f..01cbcfe93383b7 100644
--- a/include/linux/inetdevice.h
+++ b/include/linux/inetdevice.h@@ -180,6 +180,17 @@ static __inline__ bool inet_ifa_match(__be32 addr, struct in_ifaddr *ifa) return !((addr^ifa->ifa_address)&ifa->ifa_mask); } +static inline struct afnetns *ifa_find_afnetns_rcu(struct net *net, __be32 addr) +{ +#if IS_ENABLED(CONFIG_AFNETNS) + struct in_ifaddr *ifa = ifa_find_rcu(net, addr); + + return ifa ? ifa->afnetns : net->afnet_ns; +#else + return NULL; +#endif +} + /* * Check if a mask is acceptable. */
--
2.9.3