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authorDavid Ahern <dsa@cumulusnetworks.com>2016-06-17 02:24:24 +0300
committerDavid S. Miller <davem@davemloft.net>2016-06-18 07:25:29 +0300
commita2e2ff560f5113e8ca31432fbd985f5f1889efdc (patch)
tree2d64752444832a80a737f65a5ca510e6d00ef8f3 /include/net/ip6_route.h
parent0023a061d75a37f50fb6952015b826d86de8d2c4 (diff)
downloadlinux-a2e2ff560f5113e8ca31432fbd985f5f1889efdc.tar.xz
net: ipv6: Move ip6_route_get_saddr to inline
VRF driver needs access to ip6_route_get_saddr code. Since it does little beyond ipv6_dev_get_saddr and ipv6_dev_get_saddr is already exported for modules move ip6_route_get_saddr to the header as an inline. Code move only; no functional change. Signed-off-by: David Ahern <dsa@cumulusnetworks.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'include/net/ip6_route.h')
-rw-r--r--include/net/ip6_route.h21
1 files changed, 18 insertions, 3 deletions
diff --git a/include/net/ip6_route.h b/include/net/ip6_route.h
index f55bf3d294aa..d97305d0e71f 100644
--- a/include/net/ip6_route.h
+++ b/include/net/ip6_route.h
@@ -18,6 +18,7 @@ struct route_info {
__u8 prefix[0]; /* 0,8 or 16 */
};
+#include <net/addrconf.h>
#include <net/flow.h>
#include <net/ip6_fib.h>
#include <net/sock.h>
@@ -88,9 +89,23 @@ int ip6_route_add(struct fib6_config *cfg);
int ip6_ins_rt(struct rt6_info *);
int ip6_del_rt(struct rt6_info *);
-int ip6_route_get_saddr(struct net *net, struct rt6_info *rt,
- const struct in6_addr *daddr, unsigned int prefs,
- struct in6_addr *saddr);
+static inline int ip6_route_get_saddr(struct net *net, struct rt6_info *rt,
+ const struct in6_addr *daddr,
+ unsigned int prefs,
+ struct in6_addr *saddr)
+{
+ struct inet6_dev *idev =
+ rt ? ip6_dst_idev((struct dst_entry *)rt) : NULL;
+ int err = 0;
+
+ if (rt && rt->rt6i_prefsrc.plen)
+ *saddr = rt->rt6i_prefsrc.addr;
+ else
+ err = ipv6_dev_get_saddr(net, idev ? idev->dev : NULL,
+ daddr, prefs, saddr);
+
+ return err;
+}
struct rt6_info *rt6_lookup(struct net *net, const struct in6_addr *daddr,
const struct in6_addr *saddr, int oif, int flags);