| ng_patch.4 (232538) | ng_patch.4 (233648) |
|---|---|
| 1.\" Copyright (c) 2010 Maxim Ignatenko <gelraen.ua@gmail.com> 2.\" Copyright (c) 2010 Vadim Goncharov <vadimnuclight@tpu.ru> 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 --- 9 unchanged lines hidden (view full) --- 18.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 19.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 20.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 21.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 22.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 23.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 24.\" SUCH DAMAGE. 25.\" | 1.\" Copyright (c) 2010 Maxim Ignatenko <gelraen.ua@gmail.com> 2.\" Copyright (c) 2010 Vadim Goncharov <vadimnuclight@tpu.ru> 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 --- 9 unchanged lines hidden (view full) --- 18.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 19.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 20.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 21.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 22.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 23.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 24.\" SUCH DAMAGE. 25.\" |
| 26.\" $FreeBSD: head/share/man/man4/ng_patch.4 232538 2012-03-05 06:12:15Z glebius $ | 26.\" $FreeBSD: head/share/man/man4/ng_patch.4 233648 2012-03-29 05:02:12Z eadler $ |
| 27.\" 28.Dd March 5, 2012 29.Dt NG_PATCH 4 30.Os 31.Sh NAME 32.Nm ng_patch 33.Nd "trivial mbuf data modifying netgraph node type" 34.Sh SYNOPSIS --- 124 unchanged lines hidden (view full) --- 159SEQ 160/sbin/ipfw add 150 netgraph 200 ip from any to simplex.remote.net 161.Ed 162.Pp 163Here 164.Dq Li ttl_add 165node of type 166.Nm | 27.\" 28.Dd March 5, 2012 29.Dt NG_PATCH 4 30.Os 31.Sh NAME 32.Nm ng_patch 33.Nd "trivial mbuf data modifying netgraph node type" 34.Sh SYNOPSIS --- 124 unchanged lines hidden (view full) --- 159SEQ 160/sbin/ipfw add 150 netgraph 200 ip from any to simplex.remote.net 161.Ed 162.Pp 163Here 164.Dq Li ttl_add 165node of type 166.Nm |
| 167configured to add (mode | 167configured to add (mode |
| 168.Dv NG_PATCH_MODE_ADD ) 169a 170.Va value 171of 3 to a one-byte TTL field, which is 9th byte of IP packet header. 172.Pp 173Another example would be two consecutive modifications of packet TOS 174field: say, you need to clear the 175.Dv IPTOS_THROUGHPUT --- 60 unchanged lines hidden --- | 168.Dv NG_PATCH_MODE_ADD ) 169a 170.Va value 171of 3 to a one-byte TTL field, which is 9th byte of IP packet header. 172.Pp 173Another example would be two consecutive modifications of packet TOS 174field: say, you need to clear the 175.Dv IPTOS_THROUGHPUT --- 60 unchanged lines hidden --- |