diff options
Diffstat (limited to 'freebsd/sys/netinet/tcp.h')
| -rw-r--r-- | freebsd/sys/netinet/tcp.h | 26 |
1 files changed, 17 insertions, 9 deletions
diff --git a/freebsd/sys/netinet/tcp.h b/freebsd/sys/netinet/tcp.h index 8779582a..affc4df0 100644 --- a/freebsd/sys/netinet/tcp.h +++ b/freebsd/sys/netinet/tcp.h @@ -140,16 +140,21 @@ struct tcphdr { #endif /* __BSD_VISIBLE */ /* - * User-settable options (used with setsockopt). + * User-settable options (used with setsockopt). These are discrete + * values and are not masked together. Some values appear to be + * bitmasks for historical reasons. */ -#define TCP_NODELAY 0x01 /* don't delay send to coalesce packets */ +#define TCP_NODELAY 1 /* don't delay send to coalesce packets */ #if __BSD_VISIBLE -#define TCP_MAXSEG 0x02 /* set maximum segment size */ -#define TCP_NOPUSH 0x04 /* don't push last block of write */ -#define TCP_NOOPT 0x08 /* don't use TCP options */ -#define TCP_MD5SIG 0x10 /* use MD5 digests (RFC2385) */ -#define TCP_INFO 0x20 /* retrieve tcp_info structure */ -#define TCP_CONGESTION 0x40 /* get/set congestion control algorithm */ +#define TCP_MAXSEG 2 /* set maximum segment size */ +#define TCP_NOPUSH 4 /* don't push last block of write */ +#define TCP_NOOPT 8 /* don't use TCP options */ +#define TCP_MD5SIG 16 /* use MD5 digests (RFC2385) */ +#define TCP_INFO 32 /* retrieve tcp_info structure */ +#define TCP_CONGESTION 64 /* get/set congestion control algorithm */ + +/* Start of reserved space for third-party user-settable options. */ +#define TCP_VENDOR SO_VENDOR #define TCP_CA_NAME_MAX 16 /* max congestion control name length */ @@ -217,9 +222,12 @@ struct tcp_info { u_int32_t tcpi_snd_nxt; /* Next egress seqno */ u_int32_t tcpi_rcv_nxt; /* Next ingress seqno */ u_int32_t tcpi_toe_tid; /* HWTID for TOE endpoints */ + u_int32_t tcpi_snd_rexmitpack; /* Retransmitted packets */ + u_int32_t tcpi_rcv_ooopack; /* Out-of-order packets */ + u_int32_t tcpi_snd_zerowin; /* Zero-sized windows sent */ /* Padding to grow without breaking ABI. */ - u_int32_t __tcpi_pad[29]; /* Padding. */ + u_int32_t __tcpi_pad[26]; /* Padding. */ }; #endif |