diff options
| author | Peter Nørlund <pch@ordbogen.com> | 2015-09-30 10:12:22 +0200 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2015-10-05 03:00:04 -0700 |
| commit | 79a131592dbb81a2dba208622a2ffbfc53f28bc0 (patch) | |
| tree | 16eb6cd39f9475f87223cbca93da02f1853570bd /include/net/route.h | |
| parent | 0e884c78ee19e902f300ed147083c28a0c6302f0 (diff) | |
| download | lwn-79a131592dbb81a2dba208622a2ffbfc53f28bc0.tar.gz lwn-79a131592dbb81a2dba208622a2ffbfc53f28bc0.zip | |
ipv4: ICMP packet inspection for multipath
ICMP packets are inspected to let them route together with the flow they
belong to, minimizing the chance that a problematic path will affect flows
on other paths, and so that anycast environments can work with ECMP.
Signed-off-by: Peter Nørlund <pch@ordbogen.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'include/net/route.h')
| -rw-r--r-- | include/net/route.h | 11 |
1 files changed, 10 insertions, 1 deletions
diff --git a/include/net/route.h b/include/net/route.h index e211dc167db1..d32cb76f5302 100644 --- a/include/net/route.h +++ b/include/net/route.h @@ -28,6 +28,7 @@ #include <net/inetpeer.h> #include <net/flow.h> #include <net/inet_sock.h> +#include <net/ip_fib.h> #include <net/l3mdev.h> #include <linux/in_route.h> #include <linux/rtnetlink.h> @@ -113,7 +114,15 @@ struct in_device; int ip_rt_init(void); void rt_cache_flush(struct net *net); void rt_flush_dev(struct net_device *dev); -struct rtable *__ip_route_output_key(struct net *, struct flowi4 *flp); +struct rtable *__ip_route_output_key_hash(struct net *, struct flowi4 *flp, + int mp_hash); + +static inline struct rtable *__ip_route_output_key(struct net *net, + struct flowi4 *flp) +{ + return __ip_route_output_key_hash(net, flp, -1); +} + struct rtable *ip_route_output_flow(struct net *, struct flowi4 *flp, const struct sock *sk); struct dst_entry *ipv4_blackhole_route(struct net *net, |