| ng_etf.4 (b652778e426d00b6a1df29bbd86869db86f36e25) | ng_etf.4 (c60bda17f2a9ed4a8c1ef6483ee7b8f207de7129) |
|---|---|
| 1.\" 2.\" Copyright (c) 2001, FreeBSD Inc. 3.\" All rights reserved. 4.\" 5.\" Redistribution and use in source and binary forms, with or without 6.\" modification, are permitted provided that the following conditions 7.\" are met: 8.\" 1. Redistributions of source code must retain the above copyright --- 12 unchanged lines hidden (view full) --- 21.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 22.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 23.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 24.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 25.\" SUCH DAMAGE. 26.\" 27.\" $FreeBSD$ 28.\" | 1.\" 2.\" Copyright (c) 2001, FreeBSD Inc. 3.\" All rights reserved. 4.\" 5.\" Redistribution and use in source and binary forms, with or without 6.\" modification, are permitted provided that the following conditions 7.\" are met: 8.\" 1. Redistributions of source code must retain the above copyright --- 12 unchanged lines hidden (view full) --- 21.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 22.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 23.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 24.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 25.\" SUCH DAMAGE. 26.\" 27.\" $FreeBSD$ 28.\" |
| 29.Dd May 16, 2006 | 29.Dd November 13, 2012 |
| 30.Dt NG_ETF 4 31.Os 32.Sh NAME 33.Nm ng_etf 34.Nd Ethertype filtering netgraph node type 35.Sh SYNOPSIS 36.In netgraph.h 37.In netgraph/ng_etf.h --- 23 unchanged lines hidden (view full) --- 61into the node, it must have arrived in on the hook for which that value 62was configured, otherwise it will be discarded. 63Ethertypes of values other 64than those configured by the control messages must have arrived via the 65.Em nomatch 66hook. 67.Sh HOOKS 68This node type supports the following hooks: | 30.Dt NG_ETF 4 31.Os 32.Sh NAME 33.Nm ng_etf 34.Nd Ethertype filtering netgraph node type 35.Sh SYNOPSIS 36.In netgraph.h 37.In netgraph/ng_etf.h --- 23 unchanged lines hidden (view full) --- 61into the node, it must have arrived in on the hook for which that value 62was configured, otherwise it will be discarded. 63Ethertypes of values other 64than those configured by the control messages must have arrived via the 65.Em nomatch 66hook. 67.Sh HOOKS 68This node type supports the following hooks: |
| 69.Bl -tag -width ".Em downstream" | 69.Bl -tag -width ".Aq Em any legal name" |
| 70.It Em downstream 71Typically this hook would be connected to a 72.Xr ng_ether 4 73node, using the 74.Em lower 75hook. 76.It Em nomatch 77Typically this hook would also be connected to an --- 6 unchanged lines hidden (view full) --- 84of an ethertype. 85Typically this hook would be attached to 86a protocol handling node that requires and generates packets 87with a particular set of ethertypes. 88.El 89.Sh CONTROL MESSAGES 90This node type supports the generic control messages, plus the following: 91.Bl -tag -width 4n | 70.It Em downstream 71Typically this hook would be connected to a 72.Xr ng_ether 4 73node, using the 74.Em lower 75hook. 76.It Em nomatch 77Typically this hook would also be connected to an --- 6 unchanged lines hidden (view full) --- 84of an ethertype. 85Typically this hook would be attached to 86a protocol handling node that requires and generates packets 87with a particular set of ethertypes. 88.El 89.Sh CONTROL MESSAGES 90This node type supports the generic control messages, plus the following: 91.Bl -tag -width 4n |
| 92.It Dv NGM_ETF_GET_STATUS | 92.It Dv NGM_ETF_GET_STATUS Pq Ic getstatus |
| 93This command returns a 94.Vt "struct ng_etfstat" 95containing node statistics for packet counts. | 93This command returns a 94.Vt "struct ng_etfstat" 95containing node statistics for packet counts. |
| 96.It Dv NGM_ETF_SET_FILTER | 96.It Dv NGM_ETF_SET_FILTER Pq Ic setfilter |
| 97Sets the a new ethertype filter into the node and specifies the hook to and 98from which packets of that type should use. 99The hook and ethertype 100are specified in a structure of type 101.Vt "struct ng_etffilter" : 102.Bd -literal -offset 4n 103struct ng_etffilter { | 97Sets the a new ethertype filter into the node and specifies the hook to and 98from which packets of that type should use. 99The hook and ethertype 100are specified in a structure of type 101.Vt "struct ng_etffilter" : 102.Bd -literal -offset 4n 103struct ng_etffilter { |
| 104 char matchhook[NG_HOOKSIZ]; /* hook name */ 105 uint16_t ethertype; /* catch these */ | 104 char matchhook[NG_HOOKSIZ]; /* hook name */ 105 uint16_t ethertype; /* this ethertype to this hook */ |
| 106}; 107.Ed 108.El 109.Sh EXAMPLES 110Using 111.Xr ngctl 8 112it is possible to set a filter in place from the command line 113as follows: --- 41 unchanged lines hidden --- | 106}; 107.Ed 108.El 109.Sh EXAMPLES 110Using 111.Xr ngctl 8 112it is possible to set a filter in place from the command line 113as follows: --- 41 unchanged lines hidden --- |