diff options
Diffstat (limited to 'sys/netinet/tcp_var.h')
| -rw-r--r-- | sys/netinet/tcp_var.h | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/sys/netinet/tcp_var.h b/sys/netinet/tcp_var.h index afb0150..9d656ad 100644 --- a/sys/netinet/tcp_var.h +++ b/sys/netinet/tcp_var.h @@ -124,6 +124,9 @@ struct tcpcb { #define TF_FORCEDATA 0x800000 /* force out a byte */ #define TF_TSO 0x1000000 /* TSO enabled on this connection */ #define TF_TOE 0x2000000 /* this connection is offloaded */ +#define TF_ECN_PERMIT 0x4000000 /* connection ECN-ready */ +#define TF_ECN_SND_CWR 0x8000000 /* ECN CWR in queue */ +#define TF_ECN_SND_ECE 0x10000000 /* ECN ECE in queue */ tcp_seq snd_una; /* send unacknowledged */ tcp_seq snd_max; /* highest sequence number sent; @@ -433,6 +436,13 @@ struct tcpstat { u_long tcps_sack_rcv_blocks; /* SACK blocks (options) received */ u_long tcps_sack_send_blocks; /* SACK blocks (options) sent */ u_long tcps_sack_sboverflow; /* times scoreboard overflowed */ + + /* ECN related stats */ + u_long tcps_ecn_ce; /* ECN Congestion Experienced */ + u_long tcps_ecn_ect0; /* ECN Capable Transport */ + u_long tcps_ecn_ect1; /* ECN Capable Transport */ + u_long tcps_ecn_shs; /* ECN successful handshakes */ + u_long tcps_ecn_rcwnd; /* # times ECN reduced the cwnd */ }; /* @@ -509,6 +519,8 @@ extern int ss_fltsz_local; extern int tcp_do_sack; /* SACK enabled/disabled */ extern int tcp_sc_rst_sock_fail; /* RST on sock alloc failure */ +extern int tcp_do_ecn; /* TCP ECN enabled/disabled */ +extern int tcp_ecn_maxretries; int tcp_addoptions(struct tcpopt *, u_char *); struct tcpcb * |
