xref: /freebsd/sys/net/altq/altq.h (revision 3e5645b78f476816ca3b5acc28b29bbafbb9c444)
1 /*-
2  * Copyright (C) 1998-2003
3  *	Sony Computer Science Laboratories Inc.  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  *    notice, this list of conditions and the following disclaimer.
10  * 2. Redistributions in binary form must reproduce the above copyright
11  *    notice, this list of conditions and the following disclaimer in the
12  *    documentation and/or other materials provided with the distribution.
13  *
14  * THIS SOFTWARE IS PROVIDED BY SONY CSL AND CONTRIBUTORS ``AS IS'' AND
15  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17  * ARE DISCLAIMED.  IN NO EVENT SHALL SONY CSL OR CONTRIBUTORS BE LIABLE
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  * $KAME: altq.h,v 1.10 2003/07/10 12:07:47 kjc Exp $
27  * $FreeBSD$
28  */
29 #ifndef _ALTQ_ALTQ_H_
30 #define	_ALTQ_ALTQ_H_
31 
32 #if 0
33 /*
34  * allow altq-3 (altqd(8) and /dev/altq) to coexist with the new pf-based altq.
35  * altq3 is mainly for research experiments. pf-based altq is for daily use.
36  */
37 #define ALTQ3_COMPAT		/* for compatibility with altq-3 */
38 #define ALTQ3_CLFIER_COMPAT	/* for compatibility with altq-3 classifier */
39 #endif
40 
41 #ifdef ALTQ3_COMPAT
42 #include <sys/param.h>
43 #include <sys/ioccom.h>
44 #include <sys/queue.h>
45 #include <netinet/in.h>
46 
47 #ifndef IFNAMSIZ
48 #define	IFNAMSIZ	16
49 #endif
50 #endif /* ALTQ3_COMPAT */
51 
52 /* altq discipline type */
53 #define	ALTQT_NONE		0	/* reserved */
54 #define	ALTQT_CBQ		1	/* cbq */
55 #define	ALTQT_WFQ		2	/* wfq */
56 #define	ALTQT_AFMAP		3	/* afmap */
57 #define	ALTQT_FIFOQ		4	/* fifoq */
58 #define	ALTQT_RED		5	/* red */
59 #define	ALTQT_RIO		6	/* rio */
60 #define	ALTQT_LOCALQ		7	/* local use */
61 #define	ALTQT_HFSC		8	/* hfsc */
62 #define	ALTQT_CDNR		9	/* traffic conditioner */
63 #define	ALTQT_BLUE		10	/* blue */
64 #define	ALTQT_PRIQ		11	/* priority queue */
65 #define	ALTQT_JOBS		12	/* JoBS */
66 #define	ALTQT_MAX		13	/* should be max discipline type + 1 */
67 
68 #ifdef ALTQ3_COMPAT
69 struct	altqreq {
70 	char	ifname[IFNAMSIZ];	/* if name, e.g. "en0" */
71 	u_long	arg;			/* request-specific argument */
72 };
73 #endif
74 
75 /* simple token backet meter profile */
76 struct	tb_profile {
77 	u_int	rate;	/* rate in bit-per-sec */
78 	u_int	depth;	/* depth in bytes */
79 };
80 
81 #ifdef ALTQ3_COMPAT
82 struct	tbrreq {
83 	char	ifname[IFNAMSIZ];	/* if name, e.g. "en0" */
84 	struct	tb_profile tb_prof;	/* token bucket profile */
85 };
86 
87 #ifdef ALTQ3_CLFIER_COMPAT
88 /*
89  * common network flow info structure
90  */
91 struct flowinfo {
92 	u_char		fi_len;		/* total length */
93 	u_char		fi_family;	/* address family */
94 	u_int8_t	fi_data[46];	/* actually longer; address family
95 					   specific flow info. */
96 };
97 
98 /*
99  * flow info structure for internet protocol family.
100  * (currently this is the only protocol family supported)
101  */
102 struct flowinfo_in {
103 	u_char		fi_len;		/* sizeof(struct flowinfo_in) */
104 	u_char		fi_family;	/* AF_INET */
105 	u_int8_t	fi_proto;	/* IPPROTO_XXX */
106 	u_int8_t	fi_tos;		/* type-of-service */
107 	struct in_addr	fi_dst;		/* dest address */
108 	struct in_addr	fi_src;		/* src address */
109 	u_int16_t	fi_dport;	/* dest port */
110 	u_int16_t	fi_sport;	/* src port */
111 	u_int32_t	fi_gpi;		/* generalized port id for ipsec */
112 	u_int8_t	_pad[28];	/* make the size equal to
113 					   flowinfo_in6 */
114 };
115 
116 #ifdef SIN6_LEN
117 struct flowinfo_in6 {
118 	u_char		fi6_len;	/* sizeof(struct flowinfo_in6) */
119 	u_char		fi6_family;	/* AF_INET6 */
120 	u_int8_t	fi6_proto;	/* IPPROTO_XXX */
121 	u_int8_t	fi6_tclass;	/* traffic class */
122 	u_int32_t	fi6_flowlabel;	/* ipv6 flowlabel */
123 	u_int16_t	fi6_dport;	/* dest port */
124 	u_int16_t	fi6_sport;	/* src port */
125 	u_int32_t	fi6_gpi;	/* generalized port id */
126 	struct in6_addr fi6_dst;	/* dest address */
127 	struct in6_addr fi6_src;	/* src address */
128 };
129 #endif /* INET6 */
130 
131 /*
132  * flow filters for AF_INET and AF_INET6
133  */
134 struct flow_filter {
135 	int			ff_ruleno;
136 	struct flowinfo_in	ff_flow;
137 	struct {
138 		struct in_addr	mask_dst;
139 		struct in_addr	mask_src;
140 		u_int8_t	mask_tos;
141 		u_int8_t	_pad[3];
142 	} ff_mask;
143 	u_int8_t _pad2[24];	/* make the size equal to flow_filter6 */
144 };
145 
146 #ifdef SIN6_LEN
147 struct flow_filter6 {
148 	int			ff_ruleno;
149 	struct flowinfo_in6	ff_flow6;
150 	struct {
151 		struct in6_addr	mask6_dst;
152 		struct in6_addr	mask6_src;
153 		u_int8_t	mask6_tclass;
154 		u_int8_t	_pad[3];
155 	} ff_mask6;
156 };
157 #endif /* INET6 */
158 #endif /* ALTQ3_CLFIER_COMPAT */
159 #endif /* ALTQ3_COMPAT */
160 
161 /*
162  * generic packet counter
163  */
164 struct pktcntr {
165 	u_int64_t	packets;
166 	u_int64_t	bytes;
167 };
168 
169 #define	PKTCNTR_ADD(cntr, len)	\
170 	do { (cntr)->packets++; (cntr)->bytes += len; } while (/*CONSTCOND*/ 0)
171 
172 #ifdef ALTQ3_COMPAT
173 /*
174  * altq related ioctls
175  */
176 #define	ALTQGTYPE	_IOWR('q', 0, struct altqreq)	/* get queue type */
177 #if 0
178 /*
179  * these ioctls are currently discipline-specific but could be shared
180  * in the future.
181  */
182 #define	ALTQATTACH	_IOW('q', 1, struct altqreq)	/* attach discipline */
183 #define	ALTQDETACH	_IOW('q', 2, struct altqreq)	/* detach discipline */
184 #define	ALTQENABLE	_IOW('q', 3, struct altqreq)	/* enable discipline */
185 #define	ALTQDISABLE	_IOW('q', 4, struct altqreq)	/* disable discipline*/
186 #define	ALTQCLEAR	_IOW('q', 5, struct altqreq)	/* (re)initialize */
187 #define	ALTQCONFIG	_IOWR('q', 6, struct altqreq)	/* set config params */
188 #define	ALTQADDCLASS	_IOWR('q', 7, struct altqreq)	/* add a class */
189 #define	ALTQMODCLASS	_IOWR('q', 8, struct altqreq)	/* modify a class */
190 #define	ALTQDELCLASS	_IOWR('q', 9, struct altqreq)	/* delete a class */
191 #define	ALTQADDFILTER	_IOWR('q', 10, struct altqreq)	/* add a filter */
192 #define	ALTQDELFILTER	_IOWR('q', 11, struct altqreq)	/* delete a filter */
193 #define	ALTQGETSTATS	_IOWR('q', 12, struct altqreq)	/* get statistics */
194 #define	ALTQGETCNTR	_IOWR('q', 13, struct altqreq)	/* get a pkt counter */
195 #endif /* 0 */
196 #define	ALTQTBRSET	_IOW('q', 14, struct tbrreq)	/* set tb regulator */
197 #define	ALTQTBRGET	_IOWR('q', 15, struct tbrreq)	/* get tb regulator */
198 #endif /* ALTQ3_COMPAT */
199 
200 #ifdef _KERNEL
201 #include <net/altq/altq_var.h>
202 #endif
203 
204 #endif /* _ALTQ_ALTQ_H_ */
205