1 files changed, 42 insertions, 5 deletions

diff --git a/include/net/inet_connection_sock.h b/include/net/inet_connection_sock.h
index b0c99060b78d..fa587c94e9d0 100644
--- a/include/net/inet_connection_sock.h
+++ b/include/net/inet_connection_sock.h
@@ -15,9 +15,11 @@
 #ifndef _INET_CONNECTION_SOCK_H
 #define _INET_CONNECTION_SOCK_H
 
-#include <linux/ip.h>
+#include <linux/compiler.h>
 #include <linux/string.h>
 #include <linux/timer.h>
+
+#include <net/inet_sock.h>
 #include <net/request_sock.h>
 
 #define INET_CSK_DEBUG 1
@@ -29,6 +31,29 @@ struct inet_bind_bucket;
 struct inet_hashinfo;
 struct tcp_congestion_ops;
 
+/*
+ * Pointers to address related TCP functions
+ * (i.e. things that depend on the address family)
+ */
+struct inet_connection_sock_af_ops {
+        int         (*queue_xmit)(struct sk_buff *skb, int ipfragok);
+        void        (*send_check)(struct sock *sk, int len,
+                                  struct sk_buff *skb);
+        int         (*rebuild_header)(struct sock *sk);
+        int         (*conn_request)(struct sock *sk, struct sk_buff *skb);
+        struct sock *(*syn_recv_sock)(struct sock *sk, struct sk_buff *skb,
+                                      struct request_sock *req,
+                                      struct dst_entry *dst);
+        int         (*remember_stamp)(struct sock *sk);
+        __u16       net_header_len;
+        int         (*setsockopt)(struct sock *sk, int level, int optname, 
+                                  char __user *optval, int optlen);
+        int         (*getsockopt)(struct sock *sk, int level, int optname, 
+                                  char __user *optval, int __user *optlen);
+        void        (*addr2sockaddr)(struct sock *sk, struct sockaddr *);
+        int sockaddr_len;
+};
+
 /** inet_connection_sock - INET connection oriented sock
  *
  * @icsk_accept_queue:     FIFO of established children 
@@ -36,13 +61,16 @@ struct tcp_congestion_ops;
  * @icsk_timeout:          Timeout
  * @icsk_retransmit_timer: Resend (no ack)
  * @icsk_rto:              Retransmit timeout
+ * @icsk_pmtu_cookie       Last pmtu seen by socket
  * @icsk_ca_ops            Pluggable congestion control hook
+ * @icsk_af_ops            Operations which are AF_INET{4,6} specific
  * @icsk_ca_state:         Congestion control state
  * @icsk_retransmits:      Number of unrecovered [RTO] timeouts
  * @icsk_pending:          Scheduled timer event
  * @icsk_backoff:          Backoff
  * @icsk_syn_retries:      Number of allowed SYN (or equivalent) retries
  * @icsk_probes_out:       unanswered 0 window probes
+ * @icsk_ext_hdr_len:      Network protocol overhead (IP/IPv6 options)
  * @icsk_ack:              Delayed ACK control data
  */
 struct inet_connection_sock {
@@ -54,14 +82,17 @@ struct inet_connection_sock {
         struct timer_list         icsk_retransmit_timer;
         struct timer_list         icsk_delack_timer;
         __u32                     icsk_rto;
-        struct tcp_congestion_ops *icsk_ca_ops;
+        __u32                     icsk_pmtu_cookie;
+        const struct tcp_congestion_ops *icsk_ca_ops;
+        const struct inet_connection_sock_af_ops *icsk_af_ops;
+        unsigned int              (*icsk_sync_mss)(struct sock *sk, u32 pmtu);
         __u8                      icsk_ca_state;
         __u8                      icsk_retransmits;
         __u8                      icsk_pending;
         __u8                      icsk_backoff;
         __u8                      icsk_syn_retries;
         __u8                      icsk_probes_out;
-        /* 2 BYTES HOLE, TRY TO PACK! */
+        __u16                     icsk_ext_hdr_len;
         struct {
                 __u8              pending;       /* ACK is pending                         */
                 __u8              quick;         /* Scheduled number of quick acks         */
@@ -192,8 +223,12 @@ extern struct request_sock *inet_csk_search_req(const struct sock *sk,
                                                 const __u16 rport,
                                                 const __u32 raddr,
                                                 const __u32 laddr);
+extern int inet_csk_bind_conflict(const struct sock *sk,
+                                  const struct inet_bind_bucket *tb);
 extern int inet_csk_get_port(struct inet_hashinfo *hashinfo,
-                             struct sock *sk, unsigned short snum);
+                             struct sock *sk, unsigned short snum,
+                             int (*bind_conflict)(const struct sock *sk,
+                                                  const struct inet_bind_bucket *tb));
 
 extern struct dst_entry* inet_csk_route_req(struct sock *sk,
                                             const struct request_sock *req);
@@ -207,7 +242,7 @@ static inline void inet_csk_reqsk_queue_add(struct sock *sk,
 
 extern void inet_csk_reqsk_queue_hash_add(struct sock *sk,
                                           struct request_sock *req,
-                                          const unsigned timeout);
+                                          unsigned long timeout);
 
 static inline void inet_csk_reqsk_queue_removed(struct sock *sk,
                                                 struct request_sock *req)
@@ -273,4 +308,6 @@ static inline unsigned int inet_csk_listen_poll(const struct sock *sk)
 extern int  inet_csk_listen_start(struct sock *sk, const int nr_table_entries);
 extern void inet_csk_listen_stop(struct sock *sk);
 
+extern void inet_csk_addr2sockaddr(struct sock *sk, struct sockaddr *uaddr);
+
 #endif /* _INET_CONNECTION_SOCK_H */