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-rw-r--r--include/net/dst_ops.h6
-rw-r--r--include/net/inet6_connection_sock.h2
-rw-r--r--include/net/inet_connection_sock.h2
-rw-r--r--include/net/ip_fib.h18
-rw-r--r--include/net/sctp/sctp.h4
-rw-r--r--include/net/sctp/structs.h4
6 files changed, 30 insertions, 6 deletions
diff --git a/include/net/dst_ops.h b/include/net/dst_ops.h
index 085931fa7ce..d079fc61c12 100644
--- a/include/net/dst_ops.h
+++ b/include/net/dst_ops.h
@@ -24,8 +24,10 @@ struct dst_ops {
struct net_device *dev, int how);
struct dst_entry * (*negative_advice)(struct dst_entry *);
void (*link_failure)(struct sk_buff *);
- void (*update_pmtu)(struct dst_entry *dst, u32 mtu);
- void (*redirect)(struct dst_entry *dst, struct sk_buff *skb);
+ void (*update_pmtu)(struct dst_entry *dst, struct sock *sk,
+ struct sk_buff *skb, u32 mtu);
+ void (*redirect)(struct dst_entry *dst, struct sock *sk,
+ struct sk_buff *skb);
int (*local_out)(struct sk_buff *skb);
struct neighbour * (*neigh_lookup)(const struct dst_entry *dst,
struct sk_buff *skb,
diff --git a/include/net/inet6_connection_sock.h b/include/net/inet6_connection_sock.h
index df2a857e853..04642c92043 100644
--- a/include/net/inet6_connection_sock.h
+++ b/include/net/inet6_connection_sock.h
@@ -43,4 +43,6 @@ extern void inet6_csk_reqsk_queue_hash_add(struct sock *sk,
extern void inet6_csk_addr2sockaddr(struct sock *sk, struct sockaddr *uaddr);
extern int inet6_csk_xmit(struct sk_buff *skb, struct flowi *fl);
+
+extern struct dst_entry *inet6_csk_update_pmtu(struct sock *sk, u32 mtu);
#endif /* _INET6_CONNECTION_SOCK_H */
diff --git a/include/net/inet_connection_sock.h b/include/net/inet_connection_sock.h
index 291e7cee14e..2cf44b4ed2e 100644
--- a/include/net/inet_connection_sock.h
+++ b/include/net/inet_connection_sock.h
@@ -337,4 +337,6 @@ extern int inet_csk_compat_getsockopt(struct sock *sk, int level, int optname,
char __user *optval, int __user *optlen);
extern int inet_csk_compat_setsockopt(struct sock *sk, int level, int optname,
char __user *optval, unsigned int optlen);
+
+extern struct dst_entry *inet_csk_update_pmtu(struct sock *sk, u32 mtu);
#endif /* _INET_CONNECTION_SOCK_H */
diff --git a/include/net/ip_fib.h b/include/net/ip_fib.h
index 5697acefeba..e9ee1ca0708 100644
--- a/include/net/ip_fib.h
+++ b/include/net/ip_fib.h
@@ -18,6 +18,7 @@
#include <net/flow.h>
#include <linux/seq_file.h>
+#include <linux/rcupdate.h>
#include <net/fib_rules.h>
#include <net/inetpeer.h>
@@ -46,6 +47,22 @@ struct fib_config {
struct fib_info;
+struct fib_nh_exception {
+ struct fib_nh_exception __rcu *fnhe_next;
+ __be32 fnhe_daddr;
+ u32 fnhe_pmtu;
+ u32 fnhe_gw;
+ unsigned long fnhe_expires;
+ unsigned long fnhe_stamp;
+};
+
+struct fnhe_hash_bucket {
+ struct fib_nh_exception __rcu *chain;
+};
+
+#define FNHE_HASH_SIZE 2048
+#define FNHE_RECLAIM_DEPTH 5
+
struct fib_nh {
struct net_device *nh_dev;
struct hlist_node nh_hash;
@@ -63,6 +80,7 @@ struct fib_nh {
__be32 nh_gw;
__be32 nh_saddr;
int nh_saddr_genid;
+ struct fnhe_hash_bucket *nh_exceptions;
};
/*
diff --git a/include/net/sctp/sctp.h b/include/net/sctp/sctp.h
index 1f2735dba75..ff499640528 100644
--- a/include/net/sctp/sctp.h
+++ b/include/net/sctp/sctp.h
@@ -519,10 +519,10 @@ static inline int sctp_frag_point(const struct sctp_association *asoc, int pmtu)
return frag;
}
-static inline void sctp_assoc_pending_pmtu(struct sctp_association *asoc)
+static inline void sctp_assoc_pending_pmtu(struct sock *sk, struct sctp_association *asoc)
{
- sctp_assoc_sync_pmtu(asoc);
+ sctp_assoc_sync_pmtu(sk, asoc);
asoc->pmtu_pending = 0;
}
diff --git a/include/net/sctp/structs.h b/include/net/sctp/structs.h
index fecdf31816f..536e439ddf1 100644
--- a/include/net/sctp/structs.h
+++ b/include/net/sctp/structs.h
@@ -1091,7 +1091,7 @@ void sctp_transport_burst_limited(struct sctp_transport *);
void sctp_transport_burst_reset(struct sctp_transport *);
unsigned long sctp_transport_timeout(struct sctp_transport *);
void sctp_transport_reset(struct sctp_transport *);
-void sctp_transport_update_pmtu(struct sctp_transport *, u32);
+void sctp_transport_update_pmtu(struct sock *, struct sctp_transport *, u32);
void sctp_transport_immediate_rtx(struct sctp_transport *);
@@ -2003,7 +2003,7 @@ void sctp_assoc_update(struct sctp_association *old,
__u32 sctp_association_get_next_tsn(struct sctp_association *);
-void sctp_assoc_sync_pmtu(struct sctp_association *);
+void sctp_assoc_sync_pmtu(struct sock *, struct sctp_association *);
void sctp_assoc_rwnd_increase(struct sctp_association *, unsigned int);
void sctp_assoc_rwnd_decrease(struct sctp_association *, unsigned int);
void sctp_assoc_set_primary(struct sctp_association *,