diff options
Diffstat (limited to 'include/net/route.h')
| -rw-r--r-- | include/net/route.h | 22 |
1 files changed, 20 insertions, 2 deletions
diff --git a/include/net/route.h b/include/net/route.h index c29ef2733f2d..776a27f1ab78 100644 --- a/include/net/route.h +++ b/include/net/route.h @@ -30,6 +30,7 @@ #include <net/inet_sock.h> #include <linux/in_route.h> #include <linux/rtnetlink.h> +#include <linux/rcupdate.h> #include <linux/route.h> #include <linux/ip.h> #include <linux/cache.h> @@ -56,6 +57,8 @@ struct rtable { /* Miscellaneous cached information */ u32 rt_pmtu; + + struct list_head rt_uncached; }; static inline bool rt_is_input_route(const struct rtable *rt) @@ -106,6 +109,7 @@ extern struct ip_rt_acct __percpu *ip_rt_acct; struct in_device; extern int ip_rt_init(void); extern void rt_cache_flush(struct net *net, int how); +extern void rt_flush_dev(struct net_device *dev); extern struct rtable *__ip_route_output_key(struct net *, struct flowi4 *flp); extern struct rtable *ip_route_output_flow(struct net *, struct flowi4 *flp, struct sock *sk); @@ -157,8 +161,22 @@ static inline struct rtable *ip_route_output_gre(struct net *net, struct flowi4 return ip_route_output_key(net, fl4); } -extern int ip_route_input(struct sk_buff *skb, __be32 dst, __be32 src, - u8 tos, struct net_device *devin); +extern int ip_route_input_noref(struct sk_buff *skb, __be32 dst, __be32 src, + u8 tos, struct net_device *devin); + +static inline int ip_route_input(struct sk_buff *skb, __be32 dst, __be32 src, + u8 tos, struct net_device *devin) +{ + int err; + + rcu_read_lock(); + err = ip_route_input_noref(skb, dst, src, tos, devin); + if (!err) + skb_dst_force(skb); + rcu_read_unlock(); + + return err; +} extern void ipv4_update_pmtu(struct sk_buff *skb, struct net *net, u32 mtu, int oif, u32 mark, u8 protocol, int flow_flags); |