X-Git-Url: http://ftp.safe.ca/?a=blobdiff_plain;f=include%2Flinux%2Ftcp.h;h=2d36f6db37067b84e1343979079395c3e8127a11;hb=e20ec9911bfef897459b9f8aeaf6eadb0920299a;hp=62009684074400f17a659cb59e88c51c0ef7fc1a;hpb=295f7324ff8d9ea58b4d3ec93b1aaa1d80e048a9;p=safe%2Fjmp%2Flinux-2.6 diff --git a/include/linux/tcp.h b/include/linux/tcp.h index 6200968..2d36f6d 100644 --- a/include/linux/tcp.h +++ b/include/linux/tcp.h @@ -21,10 +21,10 @@ #include 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, @@ -50,25 +50,9 @@ struct tcphdr { #else #error "Adjust your 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; }; /* @@ -78,7 +62,7 @@ enum { */ 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]) @@ -175,13 +159,18 @@ struct tcp_info #ifdef __KERNEL__ -#include #include +#include #include #include #include /* 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; @@ -227,7 +216,7 @@ struct tcp_sock { * 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 @@ -249,28 +238,30 @@ struct tcp_sock { 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) */ - __u8 ca_state; /* State of fast-retransmit machine */ + /* XXX Two bytes hole, try to pack */ - __u8 keepalive_probes; /* num of allowed keep alive probes */ - __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 nonagle; /* Disable Nagle algorithm? */ - /* ONE BYTE HOLE, TRY TO PACK */ + __u8 keepalive_probes; /* num of allowed keep alive probes */ /* RTT measurement */ __u32 srtt; /* smoothed round trip time << 3 */ @@ -299,8 +290,6 @@ struct tcp_sock { 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 */ @@ -311,8 +300,22 @@ struct tcp_sock { struct tcp_sack_block duplicate_sack[1]; /* D-SACK block */ struct tcp_sack_block selective_acks[4]; /* The SACKS themselves*/ - __u8 probes_out; /* unanswered 0 window probes */ - __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 */ @@ -327,10 +330,11 @@ struct tcp_sock { __u32 urg_seq; /* Seq of received urgent pointer */ __u16 urg_data; /* Saved octet of OOB data and control flags */ __u8 urg_mode; /* In urgent mode */ - /* ONE BYTE HOLE, TRY TO PACK! */ + __u8 ecn_flags; /* ECN status bits. */ __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 */ @@ -338,6 +342,8 @@ struct tcp_sock { unsigned long last_synq_overflow; + __u32 tso_deferred; + /* Receiver side RTT estimation */ struct { __u32 rtt; @@ -352,10 +358,11 @@ struct tcp_sock { __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) @@ -377,11 +384,6 @@ static inline struct tcp_timewait_sock *tcp_twsk(const struct sock *sk) return (struct tcp_timewait_sock *)sk; } -static inline void *tcp_ca(const struct tcp_sock *tp) -{ - return (void *) tp->ca_priv; -} - #endif #endif /* _LINUX_TCP_H */