#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 <linux/poll.h>
+
+#include <net/inet_sock.h>
#include <net/request_sock.h>
#define INET_CSK_DEBUG 1
#undef INET_CSK_CLEAR_TIMERS
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;
+ u16 sockaddr_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);
+#ifdef CONFIG_COMPAT
+ int (*compat_setsockopt)(struct sock *sk,
+ int level, int optname,
+ char __user *optval, int optlen);
+ int (*compat_getsockopt)(struct sock *sk,
+ int level, int optname,
+ char __user *optval, int __user *optlen);
+#endif
+ void (*addr2sockaddr)(struct sock *sk, struct sockaddr *);
+ int (*bind_conflict)(const struct sock *sk,
+ const struct inet_bind_bucket *tb);
+};
+
/** inet_connection_sock - INET connection oriented sock
*
* @icsk_accept_queue: FIFO of established children
* @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
+ * @icsk_mtup; MTU probing control data
*/
struct inet_connection_sock {
/* inet_sock has to be the first member! */
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 */
__u16 last_seg_size; /* Size of last incoming segment */
__u16 rcv_mss; /* MSS used for delayed ACK decisions */
} icsk_ack;
+ struct {
+ int enabled;
+
+ /* Range of MTUs to search */
+ int search_high;
+ int search_low;
+
+ /* Information on the current probe. */
+ int probe_size;
+ } icsk_mtup;
u32 icsk_ca_priv[16];
#define ICSK_CA_PRIV_SIZE (16 * sizeof(u32))
};
enum inet_csk_ack_state_t {
ICSK_ACK_SCHED = 1,
ICSK_ACK_TIMER = 2,
- ICSK_ACK_PUSHED = 4
+ ICSK_ACK_PUSHED = 4,
+ ICSK_ACK_PUSHED2 = 8
};
extern void inet_csk_init_xmit_timers(struct sock *sk,
extern struct request_sock *inet_csk_search_req(const struct sock *sk,
struct request_sock ***prevp,
- const __u16 rport,
- const __u32 raddr,
- const __u32 laddr);
+ const __be16 rport,
+ const __be32 raddr,
+ const __be32 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,
- int (*bind_conflict)(const struct sock *sk,
- const struct inet_bind_bucket *tb));
+extern int inet_csk_get_port(struct sock *sk, unsigned short snum);
extern struct dst_entry* inet_csk_route_req(struct sock *sk,
const struct request_sock *req);
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)
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);
+
+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, int optlen);
#endif /* _INET_CONNECTION_SOCK_H */
git://ftp.safe.ca / safe / jmp / linux-2.6 / blobdiff