add TCP_INFO and TCP_MD5SIG socket option related structures

diff --git a/include/netinet/tcp.h b/include/netinet/tcp.h
index 5212ef7..5639b89 100644 (file)
--- a/include/netinet/tcp.h
+++ b/include/netinet/tcp.h
@@ -79,6 +79,64 @@ struct tcphdr
        u_int16_t check;
        u_int16_t urg_ptr;
 };
+
+#define TCPI_OPT_TIMESTAMPS    1
+#define TCPI_OPT_SACK          2
+#define TCPI_OPT_WSCALE                4
+#define TCPI_OPT_ECN           8
+
+#define TCP_CA_Open            0
+#define TCP_CA_Disorder                1
+#define TCP_CA_CWR             2
+#define TCP_CA_Recovery                3
+#define TCP_CA_Loss            4
+
+struct tcp_info
+{
+       u_int8_t tcpi_state;
+       u_int8_t tcpi_ca_state;
+       u_int8_t tcpi_retransmits;
+       u_int8_t tcpi_probes;
+       u_int8_t tcpi_backoff;
+       u_int8_t tcpi_options;
+       u_int8_t tcpi_snd_wscale : 4, tcpi_rcv_wscale : 4;
+       u_int32_t tcpi_rto;
+       u_int32_t tcpi_ato;
+       u_int32_t tcpi_snd_mss;
+       u_int32_t tcpi_rcv_mss;
+       u_int32_t tcpi_unacked;
+       u_int32_t tcpi_sacked;
+       u_int32_t tcpi_lost;
+       u_int32_t tcpi_retrans;
+       u_int32_t tcpi_fackets;
+       u_int32_t tcpi_last_data_sent;
+       u_int32_t tcpi_last_ack_sent;
+       u_int32_t tcpi_last_data_recv;
+       u_int32_t tcpi_last_ack_recv;
+       u_int32_t tcpi_pmtu;
+       u_int32_t tcpi_rcv_ssthresh;
+       u_int32_t tcpi_rtt;
+       u_int32_t tcpi_rttvar;
+       u_int32_t tcpi_snd_ssthresh;
+       u_int32_t tcpi_snd_cwnd;
+       u_int32_t tcpi_advmss;
+       u_int32_t tcpi_reordering;
+       u_int32_t tcpi_rcv_rtt;
+       u_int32_t tcpi_rcv_space;
+       u_int32_t tcpi_total_retrans;
+};
+
+#define TCP_MD5SIG_MAXKEYLEN    80
+
+struct tcp_md5sig
+{
+       struct sockaddr_storage tcpm_addr;
+       u_int16_t __tcpm_pad1;
+       u_int16_t tcpm_keylen;
+       u_int32_t __tcpm_pad2;
+       u_int8_t tcpm_key[TCP_MD5SIG_MAXKEYLEN];
+};
+
 #endif
 
 #endif