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share/man/man4/dummynet.4
| Show All 25 Lines | |||||
| capabilities and how to use it. | capabilities and how to use it. | ||||
| .Ss Kernel Options | .Ss Kernel Options | ||||
| The following options in the kernel configuration file are related to | The following options in the kernel configuration file are related to | ||||
| .Nm | .Nm | ||||
| operation: | operation: | ||||
| .Pp | .Pp | ||||
| .Bl -tag -width ".Dv IPFIREWALL_VERBOSE_LIMIT" -offset indent -compact | .Bl -tag -width ".Dv IPFIREWALL_VERBOSE_LIMIT" -offset indent -compact | ||||
| .It Dv IPFIREWALL | .It Dv IPFIREWALL | ||||
| enable ipfirewall (required for | enable ipfirewall (if | ||||
| .Nm ) | .Nm | ||||
| is to be used with ipfw) | |||||
| .It Dv IPFIREWALL_VERBOSE | .It Dv IPFIREWALL_VERBOSE | ||||
| enable firewall output | enable firewall output | ||||
| .It Dv IPFIREWALL_VERBOSE_LIMIT | .It Dv IPFIREWALL_VERBOSE_LIMIT | ||||
| limit firewall output | limit firewall output | ||||
| .It Dv DUMMYNET | .It Dv DUMMYNET | ||||
| enable | enable | ||||
| .Nm | .Nm | ||||
| operation | operation | ||||
| Show All 13 Lines | |||||
| sum of the bandwidth-delay products and queue sizes of all configured | sum of the bandwidth-delay products and queue sizes of all configured | ||||
| pipes. | pipes. | ||||
| .Sh SEE ALSO | .Sh SEE ALSO | ||||
| .Xr setsockopt 2 , | .Xr setsockopt 2 , | ||||
| .Xr if_bridge 4 , | .Xr if_bridge 4 , | ||||
| .Xr ip 4 , | .Xr ip 4 , | ||||
| .Xr ipfw 8 , | .Xr ipfw 8 , | ||||
| .Xr dnctl 8 , | .Xr dnctl 8 , | ||||
| .Xr pf.conf 5 , | |||||
| .Xr sysctl 8 | .Xr sysctl 8 | ||||
| .Sh HISTORY | .Sh HISTORY | ||||
| The | The | ||||
| .Nm | .Nm | ||||
| facility | facility | ||||
| was initially implemented as a testing tool for | was initially implemented as a testing tool for | ||||
| .Tn TCP | .Tn TCP | ||||
| congestion control by | congestion control by | ||||
| .An Luigi Rizzo Aq Mt luigi@iet.unipi.it , | .An Luigi Rizzo Aq Mt luigi@iet.unipi.it , | ||||
| as described on ACM Computer Communication Review, Jan.97 issue. | as described on ACM Computer Communication Review, Jan.97 issue. | ||||
| Later it has been modified to work at the | Later it has been modified to work at the | ||||
| .Tn IP | .Tn IP | ||||
| and bridging levels, integrated with the | and bridging levels, integrated with the | ||||
| .Xr ipfw 4 | .Xr ipfw 4 | ||||
| packet filter, and extended to | packet filter, and extended to | ||||
| support multiple queueing and scheduling policies. | support multiple queueing and scheduling policies. | ||||