| ng_tag.4 (162871) | ng_tag.4 (165216) |
|---|---|
| 1.\" Copyright (c) 2006 Vadim Goncharov <vadimnuclight@tpu.ru> 2.\" All rights reserved. 3.\" 4.\" Redistribution and use in source and binary forms, with or without 5.\" modification, are permitted provided that the following conditions 6.\" are met: 7.\" 1. Redistributions of source code must retain the above copyright 8.\" notice, this list of conditions and the following disclaimer. --- 8 unchanged lines hidden (view full) --- 17.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 18.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 19.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 20.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 21.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 22.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 23.\" SUCH DAMAGE. 24.\" | 1.\" Copyright (c) 2006 Vadim Goncharov <vadimnuclight@tpu.ru> 2.\" All rights reserved. 3.\" 4.\" Redistribution and use in source and binary forms, with or without 5.\" modification, are permitted provided that the following conditions 6.\" are met: 7.\" 1. Redistributions of source code must retain the above copyright 8.\" notice, this list of conditions and the following disclaimer. --- 8 unchanged lines hidden (view full) --- 17.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 18.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 19.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 20.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 21.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 22.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 23.\" SUCH DAMAGE. 24.\" |
| 25.\" $FreeBSD: head/share/man/man4/ng_tag.4 162871 2006-09-30 15:14:49Z ru $ | 25.\" $FreeBSD: head/share/man/man4/ng_tag.4 165216 2006-12-14 16:40:57Z mpp $ |
| 26.\" 27.Dd June 10, 2006 28.Dt NG_TAG 4 29.Os 30.Sh NAME 31.Nm ng_tag 32.Nd "mbuf tags manipulating netgraph node type" 33.Sh SYNOPSIS --- 168 unchanged lines hidden (view full) --- 202.Em Note: 203statistics counters as well as three statistics messages above work 204only if code was compiled with the 205.Dv NG_TAG_DEBUG 206option. 207The reason for this is that statistics is rarely used in practice, 208but still consumes CPU cycles for every packet. 209Moreover, it is even not accurate on SMP systems due to lack of | 26.\" 27.Dd June 10, 2006 28.Dt NG_TAG 4 29.Os 30.Sh NAME 31.Nm ng_tag 32.Nd "mbuf tags manipulating netgraph node type" 33.Sh SYNOPSIS --- 168 unchanged lines hidden (view full) --- 202.Em Note: 203statistics counters as well as three statistics messages above work 204only if code was compiled with the 205.Dv NG_TAG_DEBUG 206option. 207The reason for this is that statistics is rarely used in practice, 208but still consumes CPU cycles for every packet. 209Moreover, it is even not accurate on SMP systems due to lack of |
| 210syncronization between threads, as this is very expensive. | 210synchronization between threads, as this is very expensive. |
| 211.Sh SHUTDOWN 212This node shuts down upon receipt of a 213.Dv NGM_SHUTDOWN 214control message, or when all hooks have been disconnected. 215.Sh EXAMPLES 216It is possible to do a simple L7 filtering by using 217.Xr ipfw 8 218tags in conjunction with --- 120 unchanged lines hidden --- | 211.Sh SHUTDOWN 212This node shuts down upon receipt of a 213.Dv NGM_SHUTDOWN 214control message, or when all hooks have been disconnected. 215.Sh EXAMPLES 216It is possible to do a simple L7 filtering by using 217.Xr ipfw 8 218tags in conjunction with --- 120 unchanged lines hidden --- |