diff options
Diffstat (limited to 'sysdeps/gnu/netinet/tcp.h')
| -rw-r--r-- | sysdeps/gnu/netinet/tcp.h | 55 |
1 files changed, 55 insertions, 0 deletions
diff --git a/sysdeps/gnu/netinet/tcp.h b/sysdeps/gnu/netinet/tcp.h index 0823a1e8a5..6d983600e1 100644 --- a/sysdeps/gnu/netinet/tcp.h +++ b/sysdeps/gnu/netinet/tcp.h @@ -161,9 +161,64 @@ enum #define TCP_LINGER2 0x08 /* Life time of orphaned FIN-WAIT-2 state */ #define TCP_DEFER_ACCEPT 0x09 /* Wake up listener only when data arrive */ #define TCP_WINDOW_CLAMP 0x10 /* Bound advertised window */ +#define TCP_INFO 0x11 /* Information about this connection. */ #define SOL_TCP 6 /* TCP level */ + +#define TCPI_OPT_TIMESTAMPS 1 +#define TCPI_OPT_SACK 2 +#define TCPI_OPT_WSCALE 4 +#define TCPI_OPT_ECN 8 + +/* Values for tcpi_state. */ +enum tcp_ca_state +{ + TCP_CA_Open = 0, + TCP_CA_Disorder = 1, + TCP_CA_CWR = 2, + TCP_CA_Recovery = 3, + TCP_CA_Loss = 4 +}; + +struct tcp_info +{ + uint8_t tcpi_state; + uint8_t tcpi_ca_state; + uint8_t tcpi_retransmits; + uint8_t tcpi_probes; + uint8_t tcpi_backoff; + uint8_t tcpi_options; + uint8_t tcpi_snd_wscale : 4, tcpi_rcv_wscale : 4; + + uint32_t tcpi_rto; + uint32_t tcpi_ato; + uint32_t tcpi_snd_mss; + uint32_t tcpi_rcv_mss; + + uint32_t tcpi_unacked; + uint32_t tcpi_sacked; + uint32_t tcpi_lost; + uint32_t tcpi_retrans; + uint32_t tcpi_fackets; + + /* Times. */ + uint32_t tcpi_last_data_sent; + uint32_t tcpi_last_ack_sent; /* Not remembered, sorry. */ + uint32_t tcpi_last_data_recv; + uint32_t tcpi_last_ack_recv; + + /* Metrics. */ + uint32_t tcpi_pmtu; + uint32_t tcpi_rcv_ssthresh; + uint32_t tcpi_rtt; + uint32_t tcpi_rttvar; + uint32_t tcpi_snd_ssthresh; + uint32_t tcpi_snd_cwnd; + uint32_t tcpi_advmss; + uint32_t tcpi_reordering; +}; + __END_DECLS #endif /* netinet/tcp.h */ |