285 lines
7.0 KiB
C
285 lines
7.0 KiB
C
/* $NetBSD: qop_wfq.c,v 1.6 2008/09/11 17:58:59 joerg Exp $ */
|
|
/* $KAME: qop_wfq.c,v 1.6 2001/12/03 08:20:56 kjc Exp $ */
|
|
/*
|
|
* Copyright (C) 1999-2000
|
|
* 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.
|
|
*/
|
|
|
|
#include <sys/param.h>
|
|
#include <sys/socket.h>
|
|
#include <sys/sockio.h>
|
|
#include <sys/ioctl.h>
|
|
#include <sys/fcntl.h>
|
|
#include <net/if.h>
|
|
#include <netinet/in.h>
|
|
#include <arpa/inet.h>
|
|
|
|
#include <stdio.h>
|
|
#include <stdlib.h>
|
|
#include <unistd.h>
|
|
#include <stddef.h>
|
|
#include <string.h>
|
|
#include <ctype.h>
|
|
#include <errno.h>
|
|
#include <syslog.h>
|
|
#include <netdb.h>
|
|
|
|
#include <altq/altq.h>
|
|
#include <altq/altq_wfq.h>
|
|
#include "altq_qop.h"
|
|
#include "qop_wfq.h"
|
|
|
|
static int wfq_attach(struct ifinfo *);
|
|
static int wfq_detach(struct ifinfo *);
|
|
static int wfq_enable(struct ifinfo *);
|
|
static int wfq_disable(struct ifinfo *);
|
|
|
|
#define WFQ_DEVICE "/dev/altq/wfq"
|
|
|
|
static int wfq_fd = -1;
|
|
static int wfq_refcount = 0;
|
|
|
|
static struct qdisc_ops wfq_qdisc = {
|
|
ALTQT_WFQ,
|
|
"wfq",
|
|
wfq_attach,
|
|
wfq_detach,
|
|
NULL, /* clear */
|
|
wfq_enable,
|
|
wfq_disable,
|
|
NULL, /* add class */
|
|
NULL, /* modify class */
|
|
NULL, /* delete class */
|
|
NULL, /* add filter */
|
|
NULL /* delete filter */
|
|
};
|
|
|
|
/*
|
|
* parser interface
|
|
*/
|
|
#define EQUAL(s1, s2) (strcmp((s1), (s2)) == 0)
|
|
|
|
int
|
|
wfq_interface_parser(const char *ifname, int argc, char **argv)
|
|
{
|
|
u_int bandwidth = 100000000; /* 100Mbps */
|
|
u_int tbrsize = 0;
|
|
int hash_policy = 0; /* 0: use default */
|
|
int nqueues = 0; /* 0: use default */
|
|
int qsize = 0; /* 0: use default */
|
|
|
|
/*
|
|
* process options
|
|
*/
|
|
while (argc > 0) {
|
|
if (EQUAL(*argv, "bandwidth")) {
|
|
argc--; argv++;
|
|
if (argc > 0)
|
|
bandwidth = atobps(*argv);
|
|
} else if (EQUAL(*argv, "tbrsize")) {
|
|
argc--; argv++;
|
|
if (argc > 0)
|
|
tbrsize = atobytes(*argv);
|
|
} else if (EQUAL(*argv, "nqueues")) {
|
|
argc--; argv++;
|
|
if (argc > 0)
|
|
nqueues = (int)strtol(*argv, NULL, 0);
|
|
} else if (EQUAL(*argv, "qsize")) {
|
|
argc--; argv++;
|
|
if (argc > 0)
|
|
qsize = atobytes(*argv);
|
|
} else if (EQUAL(*argv, "hash")) {
|
|
argc--; argv++;
|
|
if (argc > 0) {
|
|
if (EQUAL(*argv, "dstaddr"))
|
|
hash_policy = WFQ_HASH_DSTADDR;
|
|
else if (EQUAL(*argv, "full"))
|
|
hash_policy = WFQ_HASH_FULL;
|
|
else if (EQUAL(*argv, "srcport"))
|
|
hash_policy = WFQ_HASH_SRCPORT;
|
|
else if (EQUAL(*argv, "srcaddr"))
|
|
hash_policy = WFQ_HASH_SRCADDR;
|
|
else {
|
|
LOG(LOG_ERR, 0,
|
|
"Unknown hash policy '%s'", *argv);
|
|
return (0);
|
|
}
|
|
}
|
|
} else if (EQUAL(*argv, "wfq")) {
|
|
/* just skip */
|
|
} else {
|
|
LOG(LOG_ERR, 0, "Unknown keyword '%s'", *argv);
|
|
return (0);
|
|
}
|
|
argc--; argv++;
|
|
}
|
|
|
|
if (qcmd_tbr_register(ifname, bandwidth, tbrsize) != 0)
|
|
return (0);
|
|
|
|
if (qsize != 0 && qsize < 1500) {
|
|
LOG(LOG_ERR, 0, "qsize too small: %d bytes", qsize);
|
|
return (0);
|
|
}
|
|
|
|
if (qcmd_wfq_add_if(ifname, bandwidth,
|
|
hash_policy, nqueues, qsize) != 0)
|
|
return (0);
|
|
return (1);
|
|
}
|
|
|
|
/*
|
|
* qcmd api
|
|
*/
|
|
int
|
|
qcmd_wfq_add_if(const char *ifname, u_int bandwidth, int hash_policy,
|
|
int nqueues, int qsize)
|
|
{
|
|
int error;
|
|
|
|
error = qop_wfq_add_if(NULL, ifname, bandwidth,
|
|
hash_policy, nqueues, qsize);
|
|
if (error != 0)
|
|
LOG(LOG_ERR, errno, "%s: can't add wfq on interface '%s'",
|
|
qoperror(error), ifname);
|
|
return (error);
|
|
}
|
|
|
|
/*
|
|
* qop api
|
|
*/
|
|
int
|
|
qop_wfq_add_if(struct ifinfo **rp, const char *ifname, u_int bandwidth,
|
|
int hash_policy, int nqueues, int qsize)
|
|
{
|
|
struct ifinfo *ifinfo = NULL;
|
|
struct wfq_ifinfo *wfq_ifinfo;
|
|
int error;
|
|
|
|
if ((wfq_ifinfo = calloc(1, sizeof(*wfq_ifinfo))) == NULL)
|
|
return (QOPERR_NOMEM);
|
|
wfq_ifinfo->hash_policy = hash_policy;
|
|
wfq_ifinfo->nqueues = nqueues;
|
|
wfq_ifinfo->qsize = qsize;
|
|
|
|
error = qop_add_if(&ifinfo, ifname, bandwidth,
|
|
&wfq_qdisc, wfq_ifinfo);
|
|
if (error != 0) {
|
|
free(wfq_ifinfo);
|
|
return (error);
|
|
}
|
|
|
|
if (rp != NULL)
|
|
*rp = ifinfo;
|
|
return (0);
|
|
}
|
|
|
|
/*
|
|
* system call interfaces for qdisc_ops
|
|
*/
|
|
static int
|
|
wfq_attach(struct ifinfo *ifinfo)
|
|
{
|
|
struct wfq_interface iface;
|
|
struct wfq_ifinfo *wfq_ifinfo;
|
|
struct wfq_conf conf;
|
|
|
|
if (wfq_fd < 0 &&
|
|
(wfq_fd = open(WFQ_DEVICE, O_RDWR)) < 0 &&
|
|
(wfq_fd = open_module(WFQ_DEVICE, O_RDWR)) < 0) {
|
|
LOG(LOG_ERR, errno, "WFQ open");
|
|
return (QOPERR_SYSCALL);
|
|
}
|
|
|
|
wfq_refcount++;
|
|
memset(&iface, 0, sizeof(iface));
|
|
strncpy(iface.wfq_ifacename, ifinfo->ifname, IFNAMSIZ);
|
|
|
|
if (ioctl(wfq_fd, WFQ_IF_ATTACH, &iface) < 0)
|
|
return (QOPERR_SYSCALL);
|
|
|
|
/* set wfq parameters */
|
|
wfq_ifinfo = (struct wfq_ifinfo *)ifinfo->private;
|
|
if (wfq_ifinfo->hash_policy != 0 || wfq_ifinfo->nqueues != 0 ||
|
|
wfq_ifinfo->qsize != 0) {
|
|
memset(&conf, 0, sizeof(conf));
|
|
strncpy(conf.iface.wfq_ifacename, ifinfo->ifname, IFNAMSIZ);
|
|
conf.hash_policy = wfq_ifinfo->hash_policy;
|
|
conf.nqueues = wfq_ifinfo->nqueues;
|
|
conf.qlimit = wfq_ifinfo->qsize;
|
|
if (ioctl(wfq_fd, WFQ_CONFIG, &conf) < 0) {
|
|
LOG(LOG_ERR, errno, "WFQ_CONFIG");
|
|
return (QOPERR_SYSCALL);
|
|
}
|
|
}
|
|
#if 1
|
|
LOG(LOG_INFO, 0, "wfq attached to %s", iface.wfq_ifacename);
|
|
#endif
|
|
return (0);
|
|
}
|
|
|
|
static int
|
|
wfq_detach(struct ifinfo *ifinfo)
|
|
{
|
|
struct wfq_interface iface;
|
|
|
|
memset(&iface, 0, sizeof(iface));
|
|
strncpy(iface.wfq_ifacename, ifinfo->ifname, IFNAMSIZ);
|
|
|
|
if (ioctl(wfq_fd, WFQ_IF_DETACH, &iface) < 0)
|
|
return (QOPERR_SYSCALL);
|
|
|
|
if (--wfq_refcount == 0) {
|
|
close(wfq_fd);
|
|
wfq_fd = -1;
|
|
}
|
|
return (0);
|
|
}
|
|
|
|
static int
|
|
wfq_enable(struct ifinfo *ifinfo)
|
|
{
|
|
struct wfq_interface iface;
|
|
|
|
memset(&iface, 0, sizeof(iface));
|
|
strncpy(iface.wfq_ifacename, ifinfo->ifname, IFNAMSIZ);
|
|
|
|
if (ioctl(wfq_fd, WFQ_ENABLE, &iface) < 0)
|
|
return (QOPERR_SYSCALL);
|
|
return (0);
|
|
}
|
|
|
|
static int
|
|
wfq_disable(struct ifinfo *ifinfo)
|
|
{
|
|
struct wfq_interface iface;
|
|
|
|
memset(&iface, 0, sizeof(iface));
|
|
strncpy(iface.wfq_ifacename, ifinfo->ifname, IFNAMSIZ);
|
|
|
|
if (ioctl(wfq_fd, WFQ_DISABLE, &iface) < 0)
|
|
return (QOPERR_SYSCALL);
|
|
return (0);
|
|
}
|