vserver 2.0 rc7
[linux-2.6.git] / include / linux / tcp.h
index f56e734..14a55e3 100644 (file)
@@ -216,17 +216,16 @@ struct tcp_options_received {
        __u32   ts_recent;      /* Time stamp to echo next              */
        __u32   rcv_tsval;      /* Time stamp value                     */
        __u32   rcv_tsecr;      /* Time stamp echo reply                */
-       char    saw_tstamp;     /* Saw TIMESTAMP on last packet         */
-       char    tstamp_ok;      /* TIMESTAMP seen on SYN packet         */
-       char    sack_ok;        /* SACK seen on SYN packet              */
-       char    wscale_ok;      /* Wscale seen on SYN packet            */
-       __u8    snd_wscale;     /* Window scaling received from sender  */
-       __u8    rcv_wscale;     /* Window scaling to send to receiver   */
+       __u16   saw_tstamp : 1, /* Saw TIMESTAMP on last packet         */
+               tstamp_ok : 1,  /* TIMESTAMP seen on SYN packet         */
+               dsack : 1,      /* D-SACK is scheduled                  */
+               wscale_ok : 1,  /* Wscale seen on SYN packet            */
+               sack_ok : 4,    /* SACK seen on SYN packet              */
+               snd_wscale : 4, /* Window scaling received from sender  */
+               rcv_wscale : 4; /* Window scaling to send to receiver   */
 /*     SACKs data      */
-       __u8    dsack;          /* D-SACK is scheduled                  */
        __u8    eff_sacks;      /* Size of SACK array to send with next packet */
        __u8    num_sacks;      /* Number of SACK blocks                */
-       __u8    __pad;
        __u16   user_mss;       /* mss requested by user in ioctl */
        __u16   mss_clamp;      /* Maximal mss, negotiated at connection setup */
 };
@@ -284,10 +283,13 @@ struct tcp_sock {
        __u32   mss_cache;      /* Cached effective mss, not including SACKS */
        __u16   mss_cache_std;  /* Like mss_cache, but without TSO */
        __u16   ext_header_len; /* Network protocol overhead (IP/IPv6 options) */
-       __u16   ext2_header_len;/* Options depending on route */
        __u8    ca_state;       /* State of fast-retransmit machine     */
        __u8    retransmits;    /* Number of unrecovered RTO timeouts.  */
 
+       __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 */
@@ -345,14 +347,9 @@ struct tcp_sock {
        struct tcp_sack_block duplicate_sack[1]; /* D-SACK block */
        struct tcp_sack_block selective_acks[4]; /* The SACKS themselves*/
 
-       __u32   window_clamp;   /* Maximal window to advertise          */
-       __u32   rcv_ssthresh;   /* Current window clamp                 */
-       __u16   advmss;         /* Advertised MSS                       */
-
        __u8    syn_retries;    /* num of allowed syn retries */
        __u8    ecn_flags;      /* ECN status bits.                     */
        __u16   prior_ssthresh; /* ssthresh saved at recovery start     */
-       __u16   __pad1;
        __u32   lost_out;       /* Lost packets                 */
        __u32   sacked_out;     /* SACK'd packets                       */
        __u32   fackets_out;    /* FACK'd packets                       */