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-rw-r--r--include/net/route.h76
1 files changed, 25 insertions, 51 deletions
diff --git a/include/net/route.h b/include/net/route.h
index 98705468ac0..c29ef2733f2 100644
--- a/include/net/route.h
+++ b/include/net/route.h
@@ -40,45 +40,39 @@
#define RT_CONN_FLAGS(sk) (RT_TOS(inet_sk(sk)->tos) | sock_flag(sk, SOCK_LOCALROUTE))
struct fib_nh;
-struct inet_peer;
struct fib_info;
struct rtable {
struct dst_entry dst;
- /* Lookup key. */
- __be32 rt_key_dst;
- __be32 rt_key_src;
-
int rt_genid;
unsigned int rt_flags;
__u16 rt_type;
- __u8 rt_key_tos;
+ __u16 rt_is_input;
- __be32 rt_dst; /* Path destination */
- __be32 rt_src; /* Path source */
- int rt_route_iif;
int rt_iif;
- int rt_oif;
- __u32 rt_mark;
/* Info on neighbour */
__be32 rt_gateway;
/* Miscellaneous cached information */
- __be32 rt_spec_dst; /* RFC1122 specific destination */
- u32 rt_peer_genid;
- struct inet_peer *peer; /* long-living peer info */
- struct fib_info *fi; /* for client ref to shared metrics */
+ u32 rt_pmtu;
};
static inline bool rt_is_input_route(const struct rtable *rt)
{
- return rt->rt_route_iif != 0;
+ return rt->rt_is_input != 0;
}
static inline bool rt_is_output_route(const struct rtable *rt)
{
- return rt->rt_route_iif == 0;
+ return rt->rt_is_input == 0;
+}
+
+static inline __be32 rt_nexthop(const struct rtable *rt, __be32 daddr)
+{
+ if (rt->rt_gateway)
+ return rt->rt_gateway;
+ return daddr;
}
struct ip_rt_acct {
@@ -111,10 +105,7 @@ extern struct ip_rt_acct __percpu *ip_rt_acct;
struct in_device;
extern int ip_rt_init(void);
-extern void ip_rt_redirect(__be32 old_gw, __be32 dst, __be32 new_gw,
- __be32 src, struct net_device *dev);
extern void rt_cache_flush(struct net *net, int how);
-extern void rt_cache_flush_batch(struct net *net);
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);
@@ -166,24 +157,16 @@ 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_common(struct sk_buff *skb, __be32 dst, __be32 src,
- u8 tos, struct net_device *devin, bool noref);
-
-static inline int ip_route_input(struct sk_buff *skb, __be32 dst, __be32 src,
- u8 tos, struct net_device *devin)
-{
- return ip_route_input_common(skb, dst, src, tos, devin, false);
-}
-
-static inline int ip_route_input_noref(struct sk_buff *skb, __be32 dst, __be32 src,
- u8 tos, struct net_device *devin)
-{
- return ip_route_input_common(skb, dst, src, tos, devin, true);
-}
+extern int ip_route_input(struct sk_buff *skb, __be32 dst, __be32 src,
+ u8 tos, struct net_device *devin);
-extern unsigned short ip_rt_frag_needed(struct net *net, const struct iphdr *iph,
- unsigned short new_mtu, struct net_device *dev);
-extern void ip_rt_send_redirect(struct sk_buff *skb);
+extern void ipv4_update_pmtu(struct sk_buff *skb, struct net *net, u32 mtu,
+ int oif, u32 mark, u8 protocol, int flow_flags);
+extern void ipv4_sk_update_pmtu(struct sk_buff *skb, struct sock *sk, u32 mtu);
+extern void ipv4_redirect(struct sk_buff *skb, struct net *net,
+ int oif, u32 mark, u8 protocol, int flow_flags);
+extern void ipv4_sk_redirect(struct sk_buff *skb, struct sock *sk);
+extern void ip_rt_send_redirect(struct sk_buff *skb);
extern unsigned int inet_addr_type(struct net *net, __be32 addr);
extern unsigned int inet_dev_addr_type(struct net *net, const struct net_device *dev, __be32 addr);
@@ -244,8 +227,6 @@ static inline void ip_route_connect_init(struct flowi4 *fl4, __be32 dst, __be32
if (inet_sk(sk)->transparent)
flow_flags |= FLOWI_FLAG_ANYSRC;
- if (protocol == IPPROTO_TCP)
- flow_flags |= FLOWI_FLAG_PRECOW_METRICS;
if (can_sleep)
flow_flags |= FLOWI_FLAG_CAN_SLEEP;
@@ -294,20 +275,13 @@ static inline struct rtable *ip_route_newports(struct flowi4 *fl4, struct rtable
return rt;
}
-extern void rt_bind_peer(struct rtable *rt, __be32 daddr, int create);
-
-static inline struct inet_peer *rt_get_peer(struct rtable *rt, __be32 daddr)
-{
- if (rt->peer)
- return rt->peer;
-
- rt_bind_peer(rt, daddr, 0);
- return rt->peer;
-}
-
static inline int inet_iif(const struct sk_buff *skb)
{
- return skb_rtable(skb)->rt_iif;
+ int iif = skb_rtable(skb)->rt_iif;
+
+ if (iif)
+ return iif;
+ return skb->skb_iif;
}
extern int sysctl_ip_default_ttl;