diff options
Diffstat (limited to 'sys/netinet/tcp_var.h')
| -rw-r--r-- | sys/netinet/tcp_var.h | 16 |
1 files changed, 15 insertions, 1 deletions
diff --git a/sys/netinet/tcp_var.h b/sys/netinet/tcp_var.h index 2b3954a..8d76912 100644 --- a/sys/netinet/tcp_var.h +++ b/sys/netinet/tcp_var.h @@ -253,10 +253,20 @@ struct tcpcb { u_int t_tsomaxsegsize; /* TSO maximum segment size in bytes */ u_int t_pmtud_saved_maxopd; /* pre-blackhole MSS */ u_int t_flags2; /* More tcpcb flags storage */ +#if defined(_KERNEL) && defined(TCP_RFC7413) + uint32_t t_ispare[6]; /* 5 UTO, 1 TBD */ + uint64_t t_tfo_cookie; /* TCP Fast Open cookie */ +#else uint32_t t_ispare[8]; /* 5 UTO, 3 TBD */ +#endif struct tcp_function_block *t_fb;/* TCP function call block */ void *t_fb_ptr; /* Pointer to t_fb specific data */ +#if defined(_KERNEL) && defined(TCP_RFC7413) + unsigned int *t_tfo_pending; /* TCP Fast Open pending counter */ + void *t_pspare2[1]; /* 1 TCP_SIGNATURE */ +#else void *t_pspare2[2]; /* 1 TCP_SIGNATURE, 1 TBD */ +#endif #if defined(_KERNEL) && defined(TCPPCAP) struct mbufq t_inpkts; /* List of saved input packets. */ struct mbufq t_outpkts; /* List of saved output packets. */ @@ -302,6 +312,7 @@ struct tcpcb { #define TF_ECN_SND_ECE 0x10000000 /* ECN ECE in queue */ #define TF_CONGRECOVERY 0x20000000 /* congestion recovery mode */ #define TF_WASCRECOVERY 0x40000000 /* was in congestion recovery */ +#define TF_FASTOPEN 0x80000000 /* TCP Fast Open indication */ #define IN_FASTRECOVERY(t_flags) (t_flags & TF_FASTRECOVERY) #define ENTER_FASTRECOVERY(t_flags) t_flags |= TF_FASTRECOVERY @@ -361,14 +372,17 @@ struct tcpopt { #define TOF_TS 0x0010 /* timestamp */ #define TOF_SIGNATURE 0x0040 /* TCP-MD5 signature option (RFC2385) */ #define TOF_SACK 0x0080 /* Peer sent SACK option */ -#define TOF_MAXOPT 0x0100 +#define TOF_FASTOPEN 0x0100 /* TCP Fast Open (TFO) cookie */ +#define TOF_MAXOPT 0x0200 u_int32_t to_tsval; /* new timestamp */ u_int32_t to_tsecr; /* reflected timestamp */ u_char *to_sacks; /* pointer to the first SACK blocks */ u_char *to_signature; /* pointer to the TCP-MD5 signature */ + u_char *to_tfo_cookie; /* pointer to the TFO cookie */ u_int16_t to_mss; /* maximum segment size */ u_int8_t to_wscale; /* window scaling */ u_int8_t to_nsacks; /* number of SACK blocks */ + u_int8_t to_tfo_len; /* TFO cookie length */ u_int32_t to_spare; /* UTO */ }; |
