master
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_var.h,v 1.16 2003/10/03 05:05:15 kjc Exp $
27 */
28#ifndef _ALTQ_ALTQ_VAR_H_
29#define _ALTQ_ALTQ_VAR_H_
30
31#ifdef _KERNEL
32
33#include <sys/param.h>
34#include <sys/kernel.h>
35#include <sys/queue.h>
36
37#ifdef ALTQ3_CLFIER_COMPAT
38/*
39 * filter structure for altq common classifier
40 */
41struct acc_filter {
42 LIST_ENTRY(acc_filter) f_chain;
43 void *f_class; /* pointer to the class */
44 u_long f_handle; /* filter id */
45 u_int32_t f_fbmask; /* filter bitmask */
46 struct flow_filter f_filter; /* filter value */
47};
48
49/*
50 * XXX ACC_FILTER_TABLESIZE can't be larger than 2048 unless we fix
51 * the handle assignment.
52 */
53#define ACC_FILTER_TABLESIZE (256+1)
54#define ACC_FILTER_MASK (ACC_FILTER_TABLESIZE - 2)
55#define ACC_WILDCARD_INDEX (ACC_FILTER_TABLESIZE - 1)
56#ifdef __GNUC__
57#define ACC_GET_HASH_INDEX(addr) \
58 ({int x = (addr) + ((addr) >> 16); (x + (x >> 8)) & ACC_FILTER_MASK;})
59#else
60#define ACC_GET_HASH_INDEX(addr) \
61 (((addr) + ((addr) >> 8) + ((addr) >> 16) + ((addr) >> 24)) \
62 & ACC_FILTER_MASK)
63#endif
64#define ACC_GET_HINDEX(handle) ((handle) >> 20)
65
66#define ACC_LOCK_INIT(ac) mtx_init(&(ac)->acc_mtx, "classifier", MTX_DEF)
67#define ACC_LOCK_DESTROY(ac) mtx_destroy(&(ac)->acc_mtx)
68#define ACC_LOCK(ac) mtx_lock(&(ac)->acc_mtx)
69#define ACC_UNLOCK(ac) mtx_unlock(&(ac)->acc_mtx)
70
71struct acc_classifier {
72 u_int32_t acc_fbmask;
73 LIST_HEAD(filt, acc_filter) acc_filters[ACC_FILTER_TABLESIZE];
74 struct mtx acc_mtx;
75};
76
77/*
78 * flowinfo mask bits used by classifier
79 */
80/* for ipv4 */
81#define FIMB4_PROTO 0x0001
82#define FIMB4_TOS 0x0002
83#define FIMB4_DADDR 0x0004
84#define FIMB4_SADDR 0x0008
85#define FIMB4_DPORT 0x0010
86#define FIMB4_SPORT 0x0020
87#define FIMB4_GPI 0x0040
88#define FIMB4_ALL 0x007f
89/* for ipv6 */
90#define FIMB6_PROTO 0x0100
91#define FIMB6_TCLASS 0x0200
92#define FIMB6_DADDR 0x0400
93#define FIMB6_SADDR 0x0800
94#define FIMB6_DPORT 0x1000
95#define FIMB6_SPORT 0x2000
96#define FIMB6_GPI 0x4000
97#define FIMB6_FLABEL 0x8000
98#define FIMB6_ALL 0xff00
99
100#define FIMB_ALL (FIMB4_ALL|FIMB6_ALL)
101
102#define FIMB4_PORTS (FIMB4_DPORT|FIMB4_SPORT|FIMB4_GPI)
103#define FIMB6_PORTS (FIMB6_DPORT|FIMB6_SPORT|FIMB6_GPI)
104#endif /* ALTQ3_CLFIER_COMPAT */
105
106/*
107 * machine dependent clock
108 * a 64bit high resolution time counter.
109 */
110extern int machclk_usepcc;
111extern u_int32_t machclk_freq;
112extern u_int32_t machclk_per_tick;
113extern void init_machclk(void);
114extern u_int64_t read_machclk(void);
115
116/*
117 * debug support
118 */
119#ifdef ALTQ_DEBUG
120#ifdef __STDC__
121#define ASSERT(e) ((e) ? (void)0 : altq_assert(__FILE__, __LINE__, #e))
122#else /* PCC */
123#define ASSERT(e) ((e) ? (void)0 : altq_assert(__FILE__, __LINE__, "e"))
124#endif
125#else
126#define ASSERT(e) ((void)0)
127#endif
128
129/*
130 * misc stuff for compatibility
131 */
132/* ioctl cmd type */
133typedef u_long ioctlcmd_t;
134
135/*
136 * queue macros:
137 * the interface of TAILQ_LAST macro changed after the introduction
138 * of softupdate. redefine it here to make it work with pre-2.2.7.
139 */
140#undef TAILQ_LAST
141#define TAILQ_LAST(head, headname) \
142 (*(((struct headname *)((head)->tqh_last))->tqh_last))
143
144#ifndef TAILQ_EMPTY
145#define TAILQ_EMPTY(head) ((head)->tqh_first == NULL)
146#endif
147#ifndef TAILQ_FOREACH
148#define TAILQ_FOREACH(var, head, field) \
149 for (var = TAILQ_FIRST(head); var; var = TAILQ_NEXT(var, field))
150#endif
151
152/* macro for timeout/untimeout */
153/* use callout */
154#include <sys/callout.h>
155
156#define CALLOUT_INIT(c) callout_init((c), 1)
157#define CALLOUT_RESET(c,t,f,a) callout_reset((c),(t),(f),(a))
158#define CALLOUT_STOP(c) callout_stop((c))
159
160#define m_pktlen(m) ((m)->m_pkthdr.len)
161
162struct ifnet; struct mbuf;
163struct pf_altq;
164#ifdef ALTQ3_CLFIER_COMPAT
165struct flowinfo;
166#endif
167
168void *altq_lookup(char *, int);
169#ifdef ALTQ3_CLFIER_COMPAT
170int altq_extractflow(struct mbuf *, int, struct flowinfo *, u_int32_t);
171int acc_add_filter(struct acc_classifier *, struct flow_filter *,
172 void *, u_long *);
173int acc_delete_filter(struct acc_classifier *, u_long);
174int acc_discard_filters(struct acc_classifier *, void *, int);
175void *acc_classify(void *, struct mbuf *, int);
176#endif
177u_int8_t read_dsfield(struct mbuf *, struct altq_pktattr *);
178void write_dsfield(struct mbuf *, struct altq_pktattr *, u_int8_t);
179void altq_assert(const char *, int, const char *);
180int tbr_set(struct ifaltq *, struct tb_profile *);
181
182int altq_pfattach(struct pf_altq *);
183int altq_pfdetach(struct pf_altq *);
184int altq_add(struct ifnet *, struct pf_altq *);
185int altq_remove(struct pf_altq *);
186int altq_add_queue(struct pf_altq *);
187int altq_remove_queue(struct pf_altq *);
188int altq_getqstats(struct pf_altq *, void *, int *, int);
189
190int cbq_pfattach(struct pf_altq *);
191int cbq_add_altq(struct ifnet *, struct pf_altq *);
192int cbq_remove_altq(struct pf_altq *);
193int cbq_add_queue(struct pf_altq *);
194int cbq_remove_queue(struct pf_altq *);
195int cbq_getqstats(struct pf_altq *, void *, int *, int);
196
197int codel_pfattach(struct pf_altq *);
198int codel_add_altq(struct ifnet *, struct pf_altq *);
199int codel_remove_altq(struct pf_altq *);
200int codel_getqstats(struct pf_altq *, void *, int *, int);
201
202int priq_pfattach(struct pf_altq *);
203int priq_add_altq(struct ifnet *, struct pf_altq *);
204int priq_remove_altq(struct pf_altq *);
205int priq_add_queue(struct pf_altq *);
206int priq_remove_queue(struct pf_altq *);
207int priq_getqstats(struct pf_altq *, void *, int *, int);
208
209int hfsc_pfattach(struct pf_altq *);
210int hfsc_add_altq(struct ifnet *, struct pf_altq *);
211int hfsc_remove_altq(struct pf_altq *);
212int hfsc_add_queue(struct pf_altq *);
213int hfsc_remove_queue(struct pf_altq *);
214int hfsc_getqstats(struct pf_altq *, void *, int *, int);
215
216int fairq_pfattach(struct pf_altq *);
217int fairq_add_altq(struct ifnet *, struct pf_altq *);
218int fairq_remove_altq(struct pf_altq *);
219int fairq_add_queue(struct pf_altq *);
220int fairq_remove_queue(struct pf_altq *);
221int fairq_getqstats(struct pf_altq *, void *, int *, int);
222
223#endif /* _KERNEL */
224#endif /* _ALTQ_ALTQ_VAR_H_ */