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glibc  2.9
if_shaper.h
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00001 /* Copyright (C) 1998 Free Software Foundation, Inc.
00002    This file is part of the GNU C Library.
00003 
00004    The GNU C Library is free software; you can redistribute it and/or
00005    modify it under the terms of the GNU Lesser General Public
00006    License as published by the Free Software Foundation; either
00007    version 2.1 of the License, or (at your option) any later version.
00008 
00009    The GNU C Library is distributed in the hope that it will be useful,
00010    but WITHOUT ANY WARRANTY; without even the implied warranty of
00011    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
00012    Lesser General Public License for more details.
00013 
00014    You should have received a copy of the GNU Lesser General Public
00015    License along with the GNU C Library; if not, write to the Free
00016    Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
00017    02111-1307 USA.  */
00018 
00019 #ifndef _NET_IF_SHAPER_H
00020 #define _NET_IF_SHAPER_H 1
00021 
00022 #include <features.h>
00023 #include <sys/types.h>
00024 #include <net/if.h>
00025 #include <sys/ioctl.h>
00026 
00027 __BEGIN_DECLS
00028 
00029 #define SHAPER_QLEN  10
00030 /*
00031  *     This is a bit speed dependant (read it shouldnt be a constant!)
00032  *
00033  *     5 is about right for 28.8 upwards. Below that double for every
00034  *     halving of speed or so. - ie about 20 for 9600 baud.
00035  */
00036 #define SHAPER_LATENCY      (5 * HZ)
00037 #define SHAPER_MAXSLIP      2
00038 #define SHAPER_BURST (HZ / 50)     /* Good for >128K then */
00039 
00040 #define SHAPER_SET_DEV             0x0001
00041 #define SHAPER_SET_SPEED    0x0002
00042 #define SHAPER_GET_DEV             0x0003
00043 #define SHAPER_GET_SPEED    0x0004
00044 
00045 struct shaperconf
00046 {
00047   u_int16_t ss_cmd;
00048   union
00049   {
00050     char ssu_name[14];
00051     u_int32_t ssu_speed;
00052   } ss_u;
00053 #define ss_speed ss_u.ssu_speed
00054 #define ss_name ss_u.ssu_name
00055 };
00056 
00057 __END_DECLS
00058 
00059 #endif /* net/if_shaper.h */