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author | mav <mav@FreeBSD.org> | 2007-12-19 23:12:37 +0000 |
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committer | mav <mav@FreeBSD.org> | 2007-12-19 23:12:37 +0000 |
commit | cf4122c40993ed8304dadcc271261fa0d817d89a (patch) | |
tree | 609a92e81bde4a6d6796ff474e3a331c46b0c625 | |
parent | af99f17cdabbfe2aabaf398b0d20dbee173cb7f2 (diff) | |
download | FreeBSD-src-cf4122c40993ed8304dadcc271261fa0d817d89a.zip FreeBSD-src-cf4122c40993ed8304dadcc271261fa0d817d89a.tar.gz |
Describe new NG_CAR_COUNT_PACKETS option.
-rw-r--r-- | share/man/man4/ng_car.4 | 32 |
1 files changed, 26 insertions, 6 deletions
diff --git a/share/man/man4/ng_car.4 b/share/man/man4/ng_car.4 index 102514c..41ce258 100644 --- a/share/man/man4/ng_car.4 +++ b/share/man/man4/ng_car.4 @@ -108,6 +108,9 @@ Traffic shaping is much more polite to the TCP traffic than rate limit on links with bandwidth * delay product less than 6-8 TCP segments, but it consumes additional system resources for queue processing. .El +By default, all information rates are measured in bits per second and bursts +are measured in bytes. But when NG_CAR_COUNT_PACKETS option is enabled, +rates are measured in packets per second and bursts are in packets. .Sh CONTROL MESSAGES This node type supports the generic control messages and the following specific messages. @@ -120,17 +123,34 @@ Return current node configuration as .Vt "struct ng_car_bulkconf" .Bd -literal struct ng_car_hookconf { - u_int64_t cbs; /* Committed burst size (bytes) */ - u_int64_t ebs; /* Exceeded/Peak burst size (bytes) */ - u_int64_t cir; /* Committed information rate (bits/s) */ - u_int64_t pir; /* Peak information rate (bits/s) */ + u_int64_t cbs; /* Committed burst size */ + u_int64_t ebs; /* Exceeded/Peak burst size */ + u_int64_t cir; /* Committed information rate */ + u_int64_t pir; /* Peak information rate */ u_int8_t green_action; /* Action for green packets */ u_int8_t yellow_action; /* Action for yellow packets */ u_int8_t red_action; /* Action for red packets */ - u_int8_t mode; /* single/double rate, ... */ - u_int8_t opt; /* color-aware or color-blind */ + u_int8_t mode; /* operation mode */ + u_int8_t opt; /* mode options */ }; +/* possible actions (..._action) */ +enum { + NG_CAR_ACTION_FORWARD = 1, + NG_CAR_ACTION_DROP +}; + +/* operation modes (mode) */ +enum { + NG_CAR_SINGLE_RATE = 0, + NG_CAR_DOUBLE_RATE, + NG_CAR_RED, + NG_CAR_SHAPE +}; + +/* mode options (opt) */ +#define NG_CAR_COUNT_PACKETS 2 + struct ng_car_bulkconf { struct ng_car_hookconf upstream; struct ng_car_hookconf downstream; |