diff options
Diffstat (limited to 'sys/altq/altq_blue.h')
| -rw-r--r-- | sys/altq/altq_blue.h | 119 |
1 files changed, 119 insertions, 0 deletions
diff --git a/sys/altq/altq_blue.h b/sys/altq/altq_blue.h new file mode 100644 index 00000000000..1a6ebeb4c82 --- /dev/null +++ b/sys/altq/altq_blue.h @@ -0,0 +1,119 @@ +/* $OpenBSD: altq_blue.h,v 1.1 2001/06/27 05:28:34 kjc Exp $ */ +/* $KAME: altq_blue.h,v 1.5 2000/12/14 08:12:45 thorpej Exp $ */ + +/* + * Copyright (C) 1997-2000 + * 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. + */ + +#ifndef _ALTQ_ALTQ_BLUE_H_ +#define _ALTQ_ALTQ_BLUE_H_ + +#include <altq/altq_classq.h> + +struct blue_interface { + char blue_ifname[IFNAMSIZ]; +}; + +struct blue_stats { + struct blue_interface iface; + int q_len; + int q_limit; + int q_pmark; + u_quad_t xmit_packets; + u_quad_t xmit_bytes; + u_quad_t drop_packets; + u_quad_t drop_bytes; + u_quad_t drop_forced; + u_quad_t drop_unforced; + u_quad_t marked_packets; +}; + +struct blue_conf { + struct blue_interface iface; + int blue_limit; + int blue_max_pmark; + int blue_hold_time; + int blue_pkttime; /* average packet time in usec */ + int blue_flags; /* see below */ +}; + +/* blue flags */ +#define BLUEF_ECN4 0x01 /* use packet marking for IPv4 packets */ +#define BLUEF_ECN6 0x02 /* use packet marking for IPv6 packets */ +#define BLUEF_ECN (BLUEF_ECN4 | BLUEF_ECN6) + +/* + * IOCTLs for BLUE + */ +#define BLUE_IF_ATTACH _IOW('Q', 1, struct blue_interface) +#define BLUE_IF_DETACH _IOW('Q', 2, struct blue_interface) +#define BLUE_ENABLE _IOW('Q', 3, struct blue_interface) +#define BLUE_DISABLE _IOW('Q', 4, struct blue_interface) +#define BLUE_CONFIG _IOWR('Q', 6, struct blue_conf) +#define BLUE_GETSTATS _IOWR('Q', 12, struct blue_stats) + +#ifdef _KERNEL + +typedef struct blue { + int blue_pkttime; /* average packet time in micro sec + used for idle calibration */ + int blue_flags; /* blue flags */ + + /* blue parameters */ + int blue_pmark; /* 0-1000 (mark probability*10000) */ + int blue_max_pmark; /* sets precision of marking probability */ + int blue_hold_time; /* hold time in usec */ + + int blue_idle; /* queue was empty */ + struct timeval blue_last; /* timestamp when the queue becomes idle */ + + struct { + u_quad_t xmit_packets; + u_quad_t xmit_bytes; + u_quad_t drop_packets; + u_quad_t drop_bytes; + u_quad_t drop_forced; + u_quad_t drop_unforced; + u_quad_t marked_packets; + } blue_stats; +} blue_t; + +typedef struct blue_queue { + struct blue_queue *rq_next; /* next blue_state in the list */ + struct ifaltq *rq_ifq; /* backpointer to ifaltq */ + + class_queue_t *rq_q; + + blue_t *rq_blue; +} blue_queue_t; + +extern int blue_init __P((blue_t *, int, int, int, int)); +extern int blue_addq __P((blue_t *, class_queue_t *, struct mbuf *, + struct altq_pktattr *)); +extern struct mbuf *blue_getq __P((blue_t *, class_queue_t *)); + +#endif /* _KERNEL */ + +#endif /* _ALTQ_ALTQ_BLUE_H_ */ |