__u16 urg_ptr;
};
-
-enum {
- TCP_ESTABLISHED = 1,
- TCP_SYN_SENT,
- TCP_SYN_RECV,
- TCP_FIN_WAIT1,
- TCP_FIN_WAIT2,
- TCP_TIME_WAIT,
- TCP_CLOSE,
- TCP_CLOSE_WAIT,
- TCP_LAST_ACK,
- TCP_LISTEN,
- TCP_CLOSING, /* now a valid state */
-
- TCP_MAX_STATES /* Leave at the end! */
-};
-
-#define TCP_STATE_MASK 0xF
-#define TCP_ACTION_FIN (1 << 7)
-
-enum {
- TCPF_ESTABLISHED = (1 << 1),
- TCPF_SYN_SENT = (1 << 2),
- TCPF_SYN_RECV = (1 << 3),
- TCPF_FIN_WAIT1 = (1 << 4),
- TCPF_FIN_WAIT2 = (1 << 5),
- TCPF_TIME_WAIT = (1 << 6),
- TCPF_CLOSE = (1 << 7),
- TCPF_CLOSE_WAIT = (1 << 8),
- TCPF_LAST_ACK = (1 << 9),
- TCPF_LISTEN = (1 << 10),
- TCPF_CLOSING = (1 << 11)
-};
-
/*
* The union cast uses a gcc extension to avoid aliasing problems
* (union is compatible to any of its members)
#include <linux/config.h>
#include <linux/skbuff.h>
-#include <linux/ip.h>
#include <net/sock.h>
+#include <net/inet_connection_sock.h>
+#include <net/inet_timewait_sock.h>
/* This defines a selective acknowledgement block. */
struct tcp_sack_block {
}
struct tcp_sock {
- /* inet_sock has to be the first member of tcp_sock */
- struct inet_sock inet;
+ /* inet_connection_sock has to be the first member of tcp_sock */
+ struct inet_connection_sock inet_conn;
int tcp_header_len; /* Bytes of tcp header to send */
/*
__u32 snd_sml; /* Last byte of the most recently transmitted small packet */
__u32 rcv_tstamp; /* timestamp of last received ACK (for keepalives) */
__u32 lsndtime; /* timestamp of last sent data packet (for restart window) */
- struct tcp_bind_bucket *bind_hash;
- /* Delayed ACK control data */
- struct {
- __u8 pending; /* ACK is pending */
- __u8 quick; /* Scheduled number of quick acks */
- __u8 pingpong; /* The session is interactive */
- __u8 blocked; /* Delayed ACK was blocked by socket lock*/
- __u32 ato; /* Predicted tick of soft clock */
- unsigned long timeout; /* Currently scheduled timeout */
- __u32 lrcvtime; /* timestamp of last received data packet*/
- __u16 last_seg_size; /* Size of last incoming segment */
- __u16 rcv_mss; /* MSS used for delayed ACK decisions */
- } ack;
/* Data for direct copy to user */
struct {
__u32 snd_wl1; /* Sequence for window update */
__u32 snd_wnd; /* The window we expect to receive */
__u32 max_window; /* Maximal window ever seen from peer */
- __u32 pmtu_cookie; /* Last pmtu seen by socket */
__u32 mss_cache; /* Cached effective mss, not including SACKS */
__u16 xmit_size_goal; /* Goal for segmenting output packets */
- __u16 ext_header_len; /* Network protocol overhead (IP/IPv6 options) */
- __u8 ca_state; /* State of fast-retransmit machine */
- __u8 retransmits; /* Number of unrecovered RTO timeouts. */
+ /* XXX Two bytes hole, try to pack */
- __u16 advmss; /* Advertised MSS */
__u32 window_clamp; /* Maximal window to advertise */
__u32 rcv_ssthresh; /* Current window clamp */
__u32 frto_highmark; /* snd_nxt when RTO occurred */
__u8 reordering; /* Packet reordering metric. */
__u8 frto_counter; /* Number of new acks after RTO */
-
- __u8 unused;
- __u8 defer_accept; /* User waits for some data after accept() */
+ __u8 nonagle; /* Disable Nagle algorithm? */
+ __u8 keepalive_probes; /* num of allowed keep alive probes */
/* RTT measurement */
__u32 srtt; /* smoothed round trip time << 3 */
__u32 mdev_max; /* maximal mdev for the last rtt period */
__u32 rttvar; /* smoothed mdev_max */
__u32 rtt_seq; /* sequence number to update rttvar */
- __u32 rto; /* retransmit timeout */
__u32 packets_out; /* Packets which are "in flight" */
__u32 left_out; /* Packets which leaved network */
__u32 retrans_out; /* Retransmitted packets out */
- __u8 backoff; /* backoff */
/*
* Options received (usually on last packet, some only on SYN packets).
*/
- __u8 nonagle; /* Disable Nagle algorithm? */
- __u8 keepalive_probes; /* num of allowed keep alive probes */
-
- __u8 probes_out; /* unanswered 0 window probes */
struct tcp_options_received rx_opt;
/*
__u32 snd_cwnd_used;
__u32 snd_cwnd_stamp;
- /* Two commonly used timers in both sender and receiver paths. */
- unsigned long timeout;
- struct timer_list retransmit_timer; /* Resend (no ack) */
- struct timer_list delack_timer; /* Ack delay */
-
struct sk_buff_head out_of_order_queue; /* Out of order segments go here */
- struct tcp_func *af_specific; /* Operations which are AF_INET{4,6} specific */
-
__u32 rcv_wnd; /* Current receiver window */
__u32 rcv_wup; /* rcv_nxt on last window update sent */
__u32 write_seq; /* Tail(+1) of data held in tcp send buffer */
struct tcp_sack_block duplicate_sack[1]; /* D-SACK block */
struct tcp_sack_block selective_acks[4]; /* The SACKS themselves*/
- __u8 syn_retries; /* num of allowed syn retries */
- __u8 ecn_flags; /* ECN status bits. */
+ struct tcp_sack_block recv_sack_cache[4];
+
+ /* from STCP, retrans queue hinting */
+ struct sk_buff* lost_skb_hint;
+
+ struct sk_buff *scoreboard_skb_hint;
+ struct sk_buff *retransmit_skb_hint;
+ struct sk_buff *forward_skb_hint;
+ struct sk_buff *fastpath_skb_hint;
+
+ int fastpath_cnt_hint;
+ int lost_cnt_hint;
+ int retransmit_cnt_hint;
+ int forward_cnt_hint;
+
+ __u16 advmss; /* Advertised MSS */
__u16 prior_ssthresh; /* ssthresh saved at recovery start */
__u32 lost_out; /* Lost packets */
__u32 sacked_out; /* SACK'd packets */
int undo_retrans; /* number of undoable retransmissions. */
__u32 urg_seq; /* Seq of received urgent pointer */
__u16 urg_data; /* Saved octet of OOB data and control flags */
- __u8 pending; /* Scheduled timer event */
__u8 urg_mode; /* In urgent mode */
+ __u8 ecn_flags; /* ECN status bits. */
__u32 snd_up; /* Urgent pointer */
__u32 total_retrans; /* Total retransmits for entire connection */
-
- struct request_sock_queue accept_queue; /* FIFO of established children */
+ __u32 bytes_acked; /* Appropriate Byte Counting - RFC3465 */
unsigned int keepalive_time; /* time before keep alive takes place */
unsigned int keepalive_intvl; /* time interval between keep alive probes */
__u32 time;
} rcvq_space;
- /* Pluggable TCP congestion control hook */
- struct tcp_congestion_ops *ca_ops;
- u32 ca_priv[16];
-#define TCP_CA_PRIV_SIZE (16*sizeof(u32))
+/* TCP-specific MTU probe information. */
+ struct {
+ __u32 probe_seq_start;
+ __u32 probe_seq_end;
+ } mtu_probe;
};
static inline struct tcp_sock *tcp_sk(const struct sock *sk)
return (struct tcp_sock *)sk;
}
-static inline void *tcp_ca(const struct tcp_sock *tp)
+struct tcp_timewait_sock {
+ struct inet_timewait_sock tw_sk;
+ __u32 tw_rcv_nxt;
+ __u32 tw_snd_nxt;
+ __u32 tw_rcv_wnd;
+ __u32 tw_ts_recent;
+ long tw_ts_recent_stamp;
+};
+
+static inline struct tcp_timewait_sock *tcp_twsk(const struct sock *sk)
{
- return (void *) tp->ca_priv;
+ return (struct tcp_timewait_sock *)sk;
}
#endif
git.samba.org / sfrench / cifs-2.6.git / blobdiff