#include <asm/byteorder.h>
struct tcphdr {
- __u16 source;
- __u16 dest;
- __u32 seq;
- __u32 ack_seq;
+ __be16 source;
+ __be16 dest;
+ __be32 seq;
+ __be32 ack_seq;
#if defined(__LITTLE_ENDIAN_BITFIELD)
__u16 res1:4,
doff:4,
#else
#error "Adjust your <asm/byteorder.h> defines"
#endif
- __u16 window;
- __u16 check;
- __u16 urg_ptr;
-};
-
-#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)
+ __be16 window;
+ __be16 check;
+ __be16 urg_ptr;
};
/*
*/
union tcp_word_hdr {
struct tcphdr hdr;
- __u32 words[5];
+ __be32 words[5];
};
#define tcp_flag_word(tp) ( ((union tcp_word_hdr *)(tp))->words [3])
#ifdef __KERNEL__
-#include <linux/config.h>
#include <linux/skbuff.h>
+#include <linux/dmaengine.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_wire {
+ __be32 start_seq;
+ __be32 end_seq;
+};
+
struct tcp_sack_block {
__u32 start_seq;
__u32 end_seq;
* Header prediction flags
* 0x5?10 << 16 + snd_wnd in net byte order
*/
- __u32 pred_flags;
+ __be32 pred_flags;
/*
* RFC793 variables by their proper names. This means you can
struct iovec *iov;
int memory;
int len;
+#ifdef CONFIG_NET_DMA
+ /* members for async copy */
+ struct dma_chan *dma_chan;
+ int wakeup;
+ struct dma_pinned_list *pinned_list;
+ dma_cookie_t dma_cookie;
+#endif
} ucopy;
__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) */
+ /* XXX Two bytes hole, try to pack */
__u32 window_clamp; /* Maximal window to advertise */
__u32 rcv_ssthresh; /* Current window clamp */
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*/
+ 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 snd_up; /* Urgent pointer */
__u32 total_retrans; /* Total retransmits for entire connection */
+ __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 */
unsigned long last_synq_overflow;
+ __u32 tso_deferred;
+
/* Receiver side RTT estimation */
struct {
__u32 rtt;
__u32 seq;
__u32 time;
} rcvq_space;
+
+/* 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)