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      1 /* Copyright (C) 1998 Free Software Foundation, Inc.
      2    This file is part of the GNU C Library.
      3 
      4    The GNU C Library is free software; you can redistribute it and/or
      5    modify it under the terms of the GNU Lesser General Public
      6    License as published by the Free Software Foundation; either
      7    version 2.1 of the License, or (at your option) any later version.
      8 
      9    The GNU C Library is distributed in the hope that it will be useful,
     10    but WITHOUT ANY WARRANTY; without even the implied warranty of
     11    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
     12    Lesser General Public License for more details.
     13 
     14    You should have received a copy of the GNU Lesser General Public
     15    License along with the GNU C Library; if not, write to the Free
     16    Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
     17    02111-1307 USA.  */
     18 
     19 #ifndef _NET_IF_SHAPER_H
     20 #define _NET_IF_SHAPER_H 1
     21 
     22 #include <features.h>
     23 #include <sys/types.h>
     24 #include <net/if.h>
     25 #include <sys/ioctl.h>
     26 
     27 __BEGIN_DECLS
     28 
     29 #define SHAPER_QLEN	10
     30 /*
     31  *	This is a bit speed dependant (read it shouldnt be a constant!)
     32  *
     33  *	5 is about right for 28.8 upwards. Below that double for every
     34  *	halving of speed or so. - ie about 20 for 9600 baud.
     35  */
     36 #define SHAPER_LATENCY	(5 * HZ)
     37 #define SHAPER_MAXSLIP	2
     38 #define SHAPER_BURST	(HZ / 50)	/* Good for >128K then */
     39 
     40 #define SHAPER_SET_DEV		0x0001
     41 #define SHAPER_SET_SPEED	0x0002
     42 #define SHAPER_GET_DEV		0x0003
     43 #define SHAPER_GET_SPEED	0x0004
     44 
     45 struct shaperconf
     46 {
     47   u_int16_t ss_cmd;
     48   union
     49   {
     50     char ssu_name[14];
     51     u_int32_t ssu_speed;
     52   } ss_u;
     53 #define ss_speed ss_u.ssu_speed
     54 #define ss_name ss_u.ssu_name
     55 };
     56 
     57 __END_DECLS
     58 
     59 #endif /* net/if_shaper.h */
     60