diff options
Diffstat (limited to 'freebsd/sys/net/altq/altq_priq.h')
| -rw-r--r-- | freebsd/sys/net/altq/altq_priq.h | 180 |
1 files changed, 180 insertions, 0 deletions
diff --git a/freebsd/sys/net/altq/altq_priq.h b/freebsd/sys/net/altq/altq_priq.h new file mode 100644 index 00000000..fcbfee98 --- /dev/null +++ b/freebsd/sys/net/altq/altq_priq.h @@ -0,0 +1,180 @@ +/*- + * Copyright (C) 2000-2003 + * Sony Computer Science Laboratories Inc. All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY SONY CSL AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL SONY CSL OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + * + * $KAME: altq_priq.h,v 1.7 2003/10/03 05:05:15 kjc Exp $ + * $FreeBSD$ + */ + +#ifndef _ALTQ_ALTQ_PRIQ_H_ +#define _ALTQ_ALTQ_PRIQ_H_ + +#include <net/altq/altq.h> +#include <net/altq/altq_classq.h> +#include <net/altq/altq_codel.h> +#include <net/altq/altq_red.h> +#include <net/altq/altq_rio.h> + +#ifdef __cplusplus +extern "C" { +#endif + +#define PRIQ_MAXPRI 16 /* upper limit of the number of priorities */ + +#ifdef ALTQ3_COMPAT +struct priq_interface { + char ifname[IFNAMSIZ]; /* interface name (e.g., fxp0) */ + u_long arg; /* request-specific argument */ +}; + +struct priq_add_class { + struct priq_interface iface; + int pri; /* priority (0 is the lowest) */ + int qlimit; /* queue size limit */ + int flags; /* misc flags (see below) */ + + u_int32_t class_handle; /* return value */ +}; +#endif /* ALTQ3_COMPAT */ + +/* priq class flags */ +#define PRCF_RED 0x0001 /* use RED */ +#define PRCF_ECN 0x0002 /* use RED/ECN */ +#define PRCF_RIO 0x0004 /* use RIO */ +#define PRCF_CODEL 0x0008 /* use CoDel */ +#define PRCF_CLEARDSCP 0x0010 /* clear diffserv codepoint */ +#define PRCF_DEFAULTCLASS 0x1000 /* default class */ + +/* special class handles */ +#define PRIQ_NULLCLASS_HANDLE 0 + +#ifdef ALTQ3_COMPAT +struct priq_delete_class { + struct priq_interface iface; + u_int32_t class_handle; +}; + +struct priq_modify_class { + struct priq_interface iface; + u_int32_t class_handle; + int pri; + int qlimit; + int flags; +}; + +struct priq_add_filter { + struct priq_interface iface; + u_int32_t class_handle; + struct flow_filter filter; + + u_long filter_handle; /* return value */ +}; + +struct priq_delete_filter { + struct priq_interface iface; + u_long filter_handle; +}; +#endif /* ALTQ3_COMPAT */ + +struct priq_classstats { + u_int32_t class_handle; + + u_int qlength; + u_int qlimit; + u_int period; + struct pktcntr xmitcnt; /* transmitted packet counter */ + struct pktcntr dropcnt; /* dropped packet counter */ + + /* codel, red and rio related info */ + int qtype; + struct redstats red[3]; /* rio has 3 red stats */ + struct codel_stats codel; +}; + +#ifdef ALTQ3_COMPAT +struct priq_class_stats { + struct priq_interface iface; + int maxpri; /* in/out */ + + struct priq_classstats *stats; /* pointer to stats array */ +}; + +#define PRIQ_IF_ATTACH _IOW('Q', 1, struct priq_interface) +#define PRIQ_IF_DETACH _IOW('Q', 2, struct priq_interface) +#define PRIQ_ENABLE _IOW('Q', 3, struct priq_interface) +#define PRIQ_DISABLE _IOW('Q', 4, struct priq_interface) +#define PRIQ_CLEAR _IOW('Q', 5, struct priq_interface) +#define PRIQ_ADD_CLASS _IOWR('Q', 7, struct priq_add_class) +#define PRIQ_DEL_CLASS _IOW('Q', 8, struct priq_delete_class) +#define PRIQ_MOD_CLASS _IOW('Q', 9, struct priq_modify_class) +#define PRIQ_ADD_FILTER _IOWR('Q', 10, struct priq_add_filter) +#define PRIQ_DEL_FILTER _IOW('Q', 11, struct priq_delete_filter) +#define PRIQ_GETSTATS _IOWR('Q', 12, struct priq_class_stats) + +#endif /* ALTQ3_COMPAT */ + +#ifdef _KERNEL + +struct priq_class { + u_int32_t cl_handle; /* class handle */ + class_queue_t *cl_q; /* class queue structure */ + union { + struct red *cl_red; /* RED state */ + struct codel *cl_codel; /* CoDel state */ + } cl_aqm; +#define cl_red cl_aqm.cl_red +#define cl_codel cl_aqm.cl_codel + int cl_pri; /* priority */ + int cl_flags; /* class flags */ + struct priq_if *cl_pif; /* back pointer to pif */ + struct altq_pktattr *cl_pktattr; /* saved header used by ECN */ + + /* statistics */ + u_int cl_period; /* backlog period */ + struct pktcntr cl_xmitcnt; /* transmitted packet counter */ + struct pktcntr cl_dropcnt; /* dropped packet counter */ +}; + +/* + * priq interface state + */ +struct priq_if { + struct priq_if *pif_next; /* interface state list */ + struct ifaltq *pif_ifq; /* backpointer to ifaltq */ + u_int pif_bandwidth; /* link bandwidth in bps */ + int pif_maxpri; /* max priority in use */ + struct priq_class *pif_default; /* default class */ + struct priq_class *pif_classes[PRIQ_MAXPRI]; /* classes */ +#ifdef ALTQ3_CLFIER_COMPAT + struct acc_classifier pif_classifier; /* classifier */ +#endif +}; + +#endif /* _KERNEL */ + +#ifdef __cplusplus +} +#endif + +#endif /* _ALTQ_ALTQ_PRIQ_H_ */ |