static int
priq_class_destroy(struct priq_if *pif, struct priq_class *cl)
{
struct ifclassq *ifq = pif->pif_ifq;
int pri;
IFCQ_LOCK_ASSERT_HELD(ifq);
if (!qempty(&cl->cl_q))
priq_purgeq(pif, cl, 0, NULL, NULL);
VERIFY(cl->cl_pri < PRIQ_MAXPRI);
VERIFY(!pktsched_bit_tst(cl->cl_pri, &pif->pif_bitmap));
pif->pif_classes[cl->cl_pri] = NULL;
if (pif->pif_maxpri == cl->cl_pri) {
for (pri = cl->cl_pri; pri >= 0; pri--)
if (pif->pif_classes[pri] != NULL) {
pif->pif_maxpri = pri;
break;
}
if (pri < 0)
pif->pif_maxpri = -1;
}
if (pif->pif_default == cl)
pif->pif_default = NULL;
if (cl->cl_qalg.ptr != NULL) {
#if CLASSQ_RIO
if (q_is_rio(&cl->cl_q))
rio_destroy(cl->cl_rio);
#endif /* CLASSQ_RIO */
#if CLASSQ_RED
if (q_is_red(&cl->cl_q))
red_destroy(cl->cl_red);
#endif /* CLASSQ_RED */
#if CLASSQ_BLUE
if (q_is_blue(&cl->cl_q))
blue_destroy(cl->cl_blue);
#endif /* CLASSQ_BLUE */
if (q_is_sfb(&cl->cl_q) && cl->cl_sfb != NULL)
sfb_destroy(cl->cl_sfb);
cl->cl_qalg.ptr = NULL;
qtype(&cl->cl_q) = Q_DROPTAIL;
qstate(&cl->cl_q) = QS_RUNNING;
}
if (pktsched_verbose) {
log(LOG_DEBUG, "%s: %s destroyed qid=%d pri=%d\n",
if_name(PRIQIF_IFP(pif)), priq_style(pif),
cl->cl_handle, cl->cl_pri);
}
zfree(priq_cl_zone, cl);
return (0);
}
static int
priq_class_destroy(struct priq_class *cl)
{
struct priq_if *pif;
int s, pri;
s = splnet();
IFQ_LOCK(cl->cl_pif->pif_ifq);
#ifdef ALTQ3_CLFIER_COMPAT
/* delete filters referencing to this class */
acc_discard_filters(&cl->cl_pif->pif_classifier, cl, 0);
#endif
if (!qempty(cl->cl_q))
priq_purgeq(cl);
pif = cl->cl_pif;
pif->pif_classes[cl->cl_pri] = NULL;
if (pif->pif_maxpri == cl->cl_pri) {
for (pri = cl->cl_pri; pri >= 0; pri--)
if (pif->pif_classes[pri] != NULL) {
pif->pif_maxpri = pri;
break;
}
if (pri < 0)
pif->pif_maxpri = -1;
}
IFQ_UNLOCK(cl->cl_pif->pif_ifq);
splx(s);
if (cl->cl_red != NULL) {
#ifdef ALTQ_RIO
if (q_is_rio(cl->cl_q))
rio_destroy((rio_t *)cl->cl_red);
#endif
#ifdef ALTQ_RED
if (q_is_red(cl->cl_q))
red_destroy(cl->cl_red);
#endif
#ifdef ALTQ_CODEL
if (q_is_codel(cl->cl_q))
codel_destroy(cl->cl_codel);
#endif
}
free(cl->cl_q, M_DEVBUF);
free(cl, M_DEVBUF);
return (0);
}
static int
priq_class_destroy(struct priq_class *cl)
{
struct priq_if *pif;
int pri;
crit_enter();
if (!qempty(cl->cl_q))
priq_purgeq(cl);
pif = cl->cl_pif;
pif->pif_classes[cl->cl_pri] = NULL;
if (pif->pif_maxpri == cl->cl_pri) {
for (pri = cl->cl_pri; pri >= 0; pri--)
if (pif->pif_classes[pri] != NULL) {
pif->pif_maxpri = pri;
break;
}
if (pri < 0)
pif->pif_maxpri = -1;
}
crit_exit();
if (cl->cl_red != NULL) {
#ifdef ALTQ_RIO
if (q_is_rio(cl->cl_q))
rio_destroy((rio_t *)cl->cl_red);
#endif
#ifdef ALTQ_RED
if (q_is_red(cl->cl_q))
red_destroy(cl->cl_red);
#endif
}
kfree(cl->cl_q, M_ALTQ);
kfree(cl, M_ALTQ);
return (0);
}
static int
fairq_class_destroy(struct fairq_if *fif, struct fairq_class *cl)
{
struct ifclassq *ifq = fif->fif_ifq;
int pri;
IFCQ_LOCK_ASSERT_HELD(ifq);
if (cl->cl_head)
fairq_purgeq(fif, cl, 0, NULL, NULL);
fif->fif_classes[cl->cl_pri] = NULL;
if (fif->fif_poll_cache == cl)
fif->fif_poll_cache = NULL;
if (fif->fif_maxpri == cl->cl_pri) {
for (pri = cl->cl_pri; pri >= 0; pri--)
if (fif->fif_classes[pri] != NULL) {
fif->fif_maxpri = pri;
break;
}
if (pri < 0)
fif->fif_maxpri = -1;
}
if (cl->cl_qalg.ptr != NULL) {
#if CLASSQ_RIO
if (cl->cl_qtype == Q_RIO)
rio_destroy(cl->cl_rio);
#endif /* CLASSQ_RIO */
#if CLASSQ_RED
if (cl->cl_qtype == Q_RED)
red_destroy(cl->cl_red);
#endif /* CLASSQ_RED */
#if CLASSQ_BLUE
if (cl->cl_qtype == Q_BLUE)
blue_destroy(cl->cl_blue);
#endif /* CLASSQ_BLUE */
if (cl->cl_qtype == Q_SFB && cl->cl_sfb != NULL)
sfb_destroy(cl->cl_sfb);
cl->cl_qalg.ptr = NULL;
cl->cl_qtype = Q_DROPTAIL;
cl->cl_qstate = QS_RUNNING;
}
if (fif->fif_default == cl)
fif->fif_default = NULL;
if (pktsched_verbose) {
log(LOG_DEBUG, "%s: %s destroyed qid=%d pri=%d\n",
if_name(FAIRQIF_IFP(fif)), fairq_style(fif),
cl->cl_handle, cl->cl_pri);
}
_FREE(cl->cl_buckets, M_DEVBUF);
cl->cl_head = NULL; /* sanity */
cl->cl_polled = NULL; /* sanity */
cl->cl_buckets = NULL; /* sanity */
zfree(fairq_cl_zone, cl);
return (0);
}
static struct fairq_class *
fairq_class_create(struct fairq_if *fif, int pri, u_int32_t qlimit,
u_int64_t bandwidth, u_int32_t nbuckets, int flags, u_int64_t hogs_m1,
u_int64_t lssc_m1, u_int64_t lssc_d, u_int64_t lssc_m2, u_int32_t qid)
{
#pragma unused(lssc_d, lssc_m2)
struct ifnet *ifp;
struct ifclassq *ifq;
struct fairq_class *cl;
u_int32_t i;
IFCQ_LOCK_ASSERT_HELD(fif->fif_ifq);
/* Sanitize flags unless internally configured */
if (fif->fif_flags & FAIRQIFF_ALTQ)
flags &= FARF_USERFLAGS;
#if !CLASSQ_RED
if (flags & FARF_RED) {
log(LOG_ERR, "%s: %s RED not available!\n",
if_name(FAIRQIF_IFP(fif)), fairq_style(fif));
return (NULL);
}
#endif /* !CLASSQ_RED */
#if !CLASSQ_RIO
if (flags & FARF_RIO) {
log(LOG_ERR, "%s: %s RIO not available!\n",
if_name(FAIRQIF_IFP(fif)), fairq_style(fif));
return (NULL);
}
#endif /* CLASSQ_RIO */
#if !CLASSQ_BLUE
if (flags & FARF_BLUE) {
log(LOG_ERR, "%s: %s BLUE not available!\n",
if_name(FAIRQIF_IFP(fif)), fairq_style(fif));
return (NULL);
}
#endif /* CLASSQ_BLUE */
/* These are mutually exclusive */
if ((flags & (FARF_RED|FARF_RIO|FARF_BLUE|FARF_SFB)) &&
(flags & (FARF_RED|FARF_RIO|FARF_BLUE|FARF_SFB)) != FARF_RED &&
(flags & (FARF_RED|FARF_RIO|FARF_BLUE|FARF_SFB)) != FARF_RIO &&
(flags & (FARF_RED|FARF_RIO|FARF_BLUE|FARF_SFB)) != FARF_BLUE &&
(flags & (FARF_RED|FARF_RIO|FARF_BLUE|FARF_SFB)) != FARF_SFB) {
log(LOG_ERR, "%s: %s more than one RED|RIO|BLUE|SFB\n",
if_name(FAIRQIF_IFP(fif)), fairq_style(fif));
return (NULL);
}
if (bandwidth == 0 || (bandwidth / 8) == 0) {
log(LOG_ERR, "%s: %s invalid data rate %llu\n",
if_name(FAIRQIF_IFP(fif)), fairq_style(fif), bandwidth);
return (NULL);
}
if (nbuckets == 0)
nbuckets = 256;
if (nbuckets > FAIRQ_MAX_BUCKETS)
nbuckets = FAIRQ_MAX_BUCKETS;
/* enforce power-of-2 size */
while ((nbuckets ^ (nbuckets - 1)) != ((nbuckets << 1) - 1))
++nbuckets;
ifq = fif->fif_ifq;
ifp = FAIRQIF_IFP(fif);
if ((cl = fif->fif_classes[pri]) != NULL) {
/* modify the class instead of creating a new one */
if (cl->cl_head)
fairq_purgeq(fif, cl, 0, NULL, NULL);
#if CLASSQ_RIO
if (cl->cl_qtype == Q_RIO)
rio_destroy(cl->cl_rio);
#endif /* CLASSQ_RIO */
#if CLASSQ_RED
if (cl->cl_qtype == Q_RED)
red_destroy(cl->cl_red);
#endif /* CLASSQ_RED */
#if CLASSQ_BLUE
if (cl->cl_qtype == Q_BLUE)
blue_destroy(cl->cl_blue);
#endif /* CLASSQ_BLUE */
if (cl->cl_qtype == Q_SFB && cl->cl_sfb != NULL)
sfb_destroy(cl->cl_sfb);
cl->cl_qalg.ptr = NULL;
cl->cl_qtype = Q_DROPTAIL;
cl->cl_qstate = QS_RUNNING;
} else {
cl = zalloc(fairq_cl_zone);
if (cl == NULL)
goto err_ret;
bzero(cl, fairq_cl_size);
cl->cl_nbuckets = nbuckets;
cl->cl_nbucket_mask = nbuckets - 1;
cl->cl_buckets = _MALLOC(sizeof (struct fairq_bucket) *
cl->cl_nbuckets, M_DEVBUF, M_WAITOK|M_ZERO);
if (cl->cl_buckets == NULL)
goto err_buckets;
cl->cl_head = NULL;
}
fif->fif_classes[pri] = cl;
if (flags & FARF_DEFAULTCLASS)
fif->fif_default = cl;
if (qlimit == 0 || qlimit > IFCQ_MAXLEN(ifq)) {
qlimit = IFCQ_MAXLEN(ifq);
if (qlimit == 0)
qlimit = DEFAULT_QLIMIT; /* use default */
}
cl->cl_qlimit = qlimit;
for (i = 0; i < cl->cl_nbuckets; ++i) {
_qinit(&cl->cl_buckets[i].queue, Q_DROPTAIL, qlimit);
}
cl->cl_bandwidth = bandwidth / 8; /* cvt to bytes per second */
cl->cl_qtype = Q_DROPTAIL;
cl->cl_qstate = QS_RUNNING;
cl->cl_flags = flags;
cl->cl_pri = pri;
if (pri > fif->fif_maxpri)
fif->fif_maxpri = pri;
cl->cl_fif = fif;
cl->cl_handle = qid;
cl->cl_hogs_m1 = hogs_m1 / 8;
cl->cl_lssc_m1 = lssc_m1 / 8; /* NOT YET USED */
cl->cl_bw_current = 0;
if (flags & (FARF_RED|FARF_RIO|FARF_BLUE|FARF_SFB)) {
#if CLASSQ_RED || CLASSQ_RIO
u_int64_t ifbandwidth = ifnet_output_linkrate(ifp);
int pkttime;
#endif /* CLASSQ_RED || CLASSQ_RIO */
cl->cl_qflags = 0;
if (flags & FARF_ECN) {
if (flags & FARF_BLUE)
cl->cl_qflags |= BLUEF_ECN;
else if (flags & FARF_SFB)
cl->cl_qflags |= SFBF_ECN;
else if (flags & FARF_RED)
cl->cl_qflags |= REDF_ECN;
else if (flags & FARF_RIO)
cl->cl_qflags |= RIOF_ECN;
}
if (flags & FARF_FLOWCTL) {
if (flags & FARF_SFB)
cl->cl_qflags |= SFBF_FLOWCTL;
}
if (flags & FARF_CLEARDSCP) {
if (flags & FARF_RIO)
cl->cl_qflags |= RIOF_CLEARDSCP;
}
#if CLASSQ_RED || CLASSQ_RIO
/*
* XXX: RED & RIO should be watching link speed and MTU
* events and recompute pkttime accordingly.
*/
if (ifbandwidth < 8)
pkttime = 1000 * 1000 * 1000; /* 1 sec */
else
pkttime = (int64_t)ifp->if_mtu * 1000 * 1000 * 1000 /
(ifbandwidth / 8);
/* Test for exclusivity {RED,RIO,BLUE,SFB} was done above */
#if CLASSQ_RIO
if (flags & FARF_RIO) {
cl->cl_rio =
rio_alloc(ifp, 0, NULL, cl->cl_qflags, pkttime);
if (cl->cl_rio != NULL)
cl->cl_qtype = Q_RIO;
}
#endif /* CLASSQ_RIO */
#if CLASSQ_RED
if (flags & FARF_RED) {
cl->cl_red = red_alloc(ifp, 0, 0,
cl->cl_qlimit * 10/100,
cl->cl_qlimit * 30/100,
cl->cl_qflags, pkttime);
if (cl->cl_red != NULL)
cl->cl_qtype = Q_RED;
}
#endif /* CLASSQ_RED */
#endif /* CLASSQ_RED || CLASSQ_RIO */
#if CLASSQ_BLUE
if (flags & FARF_BLUE) {
cl->cl_blue = blue_alloc(ifp, 0, 0, cl->cl_qflags);
if (cl->cl_blue != NULL)
cl->cl_qtype = Q_BLUE;
}
#endif /* CLASSQ_BLUE */
if (flags & FARF_SFB) {
if (!(cl->cl_flags & FARF_LAZY))
cl->cl_sfb = sfb_alloc(ifp, cl->cl_handle,
cl->cl_qlimit, cl->cl_qflags);
if (cl->cl_sfb != NULL || (cl->cl_flags & FARF_LAZY))
cl->cl_qtype = Q_SFB;
}
}
if (pktsched_verbose) {
log(LOG_DEBUG, "%s: %s created qid=%d pri=%d qlimit=%d "
"flags=%b\n", if_name(ifp), fairq_style(fif),
cl->cl_handle, cl->cl_pri, cl->cl_qlimit, flags, FARF_BITS);
}
return (cl);
err_buckets:
if (cl->cl_buckets != NULL)
_FREE(cl->cl_buckets, M_DEVBUF);
err_ret:
if (cl != NULL) {
if (cl->cl_qalg.ptr != NULL) {
#if CLASSQ_RIO
if (cl->cl_qtype == Q_RIO)
rio_destroy(cl->cl_rio);
#endif /* CLASSQ_RIO */
#if CLASSQ_RED
if (cl->cl_qtype == Q_RED)
red_destroy(cl->cl_red);
#endif /* CLASSQ_RED */
#if CLASSQ_BLUE
if (cl->cl_qtype == Q_BLUE)
blue_destroy(cl->cl_blue);
#endif /* CLASSQ_BLUE */
if (cl->cl_qtype == Q_SFB && cl->cl_sfb != NULL)
sfb_destroy(cl->cl_sfb);
cl->cl_qalg.ptr = NULL;
cl->cl_qtype = Q_DROPTAIL;
cl->cl_qstate = QS_RUNNING;
}
zfree(fairq_cl_zone, cl);
}
return (NULL);
}
static struct priq_class *
priq_class_create(struct priq_if *pif, int pri, int qlimit, int flags, int qid)
{
struct priq_class *cl;
int s;
#ifndef ALTQ_RED
if (flags & PRCF_RED) {
#ifdef ALTQ_DEBUG
printf("priq_class_create: RED not configured for PRIQ!\n");
#endif
return (NULL);
}
#endif
if ((cl = pif->pif_classes[pri]) != NULL) {
/* modify the class instead of creating a new one */
s = splnet();
if (!qempty(cl->cl_q))
priq_purgeq(cl);
splx(s);
#ifdef ALTQ_RIO
if (q_is_rio(cl->cl_q))
rio_destroy((rio_t *)cl->cl_red);
#endif
#ifdef ALTQ_RED
if (q_is_red(cl->cl_q))
red_destroy(cl->cl_red);
#endif
} else {
cl = malloc(sizeof(struct priq_class), M_DEVBUF,
M_WAITOK|M_ZERO);
if (cl == NULL)
return (NULL);
cl->cl_q = malloc(sizeof(class_queue_t), M_DEVBUF,
M_WAITOK|M_ZERO);
if (cl->cl_q == NULL)
goto err_ret;
}
pif->pif_classes[pri] = cl;
if (flags & PRCF_DEFAULTCLASS)
pif->pif_default = cl;
if (qlimit == 0)
qlimit = 50; /* use default */
qlimit(cl->cl_q) = qlimit;
qtype(cl->cl_q) = Q_DROPTAIL;
qlen(cl->cl_q) = 0;
cl->cl_flags = flags;
cl->cl_pri = pri;
if (pri > pif->pif_maxpri)
pif->pif_maxpri = pri;
cl->cl_pif = pif;
cl->cl_handle = qid;
#ifdef ALTQ_RED
if (flags & (PRCF_RED|PRCF_RIO)) {
int red_flags, red_pkttime;
red_flags = 0;
if (flags & PRCF_ECN)
red_flags |= REDF_ECN;
#ifdef ALTQ_RIO
if (flags & PRCF_CLEARDSCP)
red_flags |= RIOF_CLEARDSCP;
#endif
if (pif->pif_bandwidth < 8)
red_pkttime = 1000 * 1000 * 1000; /* 1 sec */
else
red_pkttime = (int64_t)pif->pif_ifq->altq_ifp->if_mtu
* 1000 * 1000 * 1000 / (pif->pif_bandwidth / 8);
#ifdef ALTQ_RIO
if (flags & PRCF_RIO) {
cl->cl_red = (red_t *)rio_alloc(0, NULL,
red_flags, red_pkttime);
if (cl->cl_red != NULL)
qtype(cl->cl_q) = Q_RIO;
} else
#endif
if (flags & PRCF_RED) {
cl->cl_red = red_alloc(0, 0,
qlimit(cl->cl_q) * 10/100,
qlimit(cl->cl_q) * 30/100,
red_flags, red_pkttime);
if (cl->cl_red != NULL)
qtype(cl->cl_q) = Q_RED;
}
}
#endif /* ALTQ_RED */
return (cl);
err_ret:
if (cl->cl_red != NULL) {
#ifdef ALTQ_RIO
if (q_is_rio(cl->cl_q))
rio_destroy((rio_t *)cl->cl_red);
#endif
#ifdef ALTQ_RED
if (q_is_red(cl->cl_q))
red_destroy(cl->cl_red);
#endif
}
if (cl->cl_q != NULL)
free(cl->cl_q, M_DEVBUF);
free(cl, M_DEVBUF);
return (NULL);
}
void
rmc_delete_class(struct rm_ifdat *ifd, struct rm_class *cl)
{
struct rm_class *p, *head, *previous;
KKASSERT(cl->children_ == NULL);
if (cl->sleeping_)
callout_stop(&cl->callout_);
crit_enter();
if (ifd->pollcache_ == cl)
ifd->pollcache_ = NULL;
/*
* Free packets in the packet queue.
* XXX - this may not be a desired behavior. Packets should be
* re-queued.
*/
rmc_dropall(cl);
/*
* If the class has a parent, then remove the class from the
* class from the parent's children chain.
*/
if (cl->parent_ != NULL) {
head = cl->parent_->children_;
p = previous = head;
if (head->next_ == NULL) {
KKASSERT(head == cl);
cl->parent_->children_ = NULL;
cl->parent_->leaf_ = 1;
} else while (p != NULL) {
if (p == cl) {
if (cl == head)
cl->parent_->children_ = cl->next_;
else
previous->next_ = cl->next_;
cl->next_ = NULL;
p = NULL;
} else {
previous = p;
p = p->next_;
}
}
}
/*
* Delete class from class priority peer list.
*/
if ((p = ifd->active_[cl->pri_]) != NULL) {
/*
* If there is more than one member of this priority
* level, then look for class(cl) in the priority level.
*/
if (p != p->peer_) {
while (p->peer_ != cl)
p = p->peer_;
p->peer_ = cl->peer_;
if (ifd->active_[cl->pri_] == cl)
ifd->active_[cl->pri_] = cl->peer_;
} else {
KKASSERT(p == cl);
ifd->active_[cl->pri_] = NULL;
}
}
/*
* Recompute the WRR weights.
*/
if (ifd->wrr_) {
ifd->alloc_[cl->pri_] -= cl->allotment_;
ifd->num_[cl->pri_]--;
rmc_wrr_set_weights(ifd);
}
/*
* Re-compute the depth of the tree.
*/
#if 1 /* ALTQ */
rmc_depth_recompute(cl->parent_);
#else
rmc_depth_recompute(ifd->root_);
#endif
crit_exit();
/*
* Free the class structure.
*/
if (cl->red_ != NULL) {
#ifdef ALTQ_RIO
if (q_is_rio(cl->q_))
rio_destroy((rio_t *)cl->red_);
#endif
#ifdef ALTQ_RED
if (q_is_red(cl->q_))
red_destroy(cl->red_);
#endif
}
kfree(cl->q_, M_ALTQ);
kfree(cl, M_ALTQ);
}
static struct priq_class *
priq_class_create(struct priq_if *pif, int pri, u_int32_t qlimit,
int flags, u_int32_t qid)
{
struct ifnet *ifp;
struct ifclassq *ifq;
struct priq_class *cl;
IFCQ_LOCK_ASSERT_HELD(pif->pif_ifq);
/* Sanitize flags unless internally configured */
if (pif->pif_flags & PRIQIFF_ALTQ)
flags &= PRCF_USERFLAGS;
#if !CLASSQ_RED
if (flags & PRCF_RED) {
log(LOG_ERR, "%s: %s RED not available!\n",
if_name(PRIQIF_IFP(pif)), priq_style(pif));
return (NULL);
}
#endif /* !CLASSQ_RED */
#if !CLASSQ_RIO
if (flags & PRCF_RIO) {
log(LOG_ERR, "%s: %s RIO not available!\n",
if_name(PRIQIF_IFP(pif)), priq_style(pif));
return (NULL);
}
#endif /* CLASSQ_RIO */
#if !CLASSQ_BLUE
if (flags & PRCF_BLUE) {
log(LOG_ERR, "%s: %s BLUE not available!\n",
if_name(PRIQIF_IFP(pif)), priq_style(pif));
return (NULL);
}
#endif /* CLASSQ_BLUE */
/* These are mutually exclusive */
if ((flags & (PRCF_RED|PRCF_RIO|PRCF_BLUE|PRCF_SFB)) &&
(flags & (PRCF_RED|PRCF_RIO|PRCF_BLUE|PRCF_SFB)) != PRCF_RED &&
(flags & (PRCF_RED|PRCF_RIO|PRCF_BLUE|PRCF_SFB)) != PRCF_RIO &&
(flags & (PRCF_RED|PRCF_RIO|PRCF_BLUE|PRCF_SFB)) != PRCF_BLUE &&
(flags & (PRCF_RED|PRCF_RIO|PRCF_BLUE|PRCF_SFB)) != PRCF_SFB) {
log(LOG_ERR, "%s: %s more than one RED|RIO|BLUE|SFB\n",
if_name(PRIQIF_IFP(pif)), priq_style(pif));
return (NULL);
}
ifq = pif->pif_ifq;
ifp = PRIQIF_IFP(pif);
if ((cl = pif->pif_classes[pri]) != NULL) {
/* modify the class instead of creating a new one */
if (!qempty(&cl->cl_q))
priq_purgeq(pif, cl, 0, NULL, NULL);
#if CLASSQ_RIO
if (q_is_rio(&cl->cl_q))
rio_destroy(cl->cl_rio);
#endif /* CLASSQ_RIO */
#if CLASSQ_RED
if (q_is_red(&cl->cl_q))
red_destroy(cl->cl_red);
#endif /* CLASSQ_RED */
#if CLASSQ_BLUE
if (q_is_blue(&cl->cl_q))
blue_destroy(cl->cl_blue);
#endif /* CLASSQ_BLUE */
if (q_is_sfb(&cl->cl_q) && cl->cl_sfb != NULL)
sfb_destroy(cl->cl_sfb);
cl->cl_qalg.ptr = NULL;
qtype(&cl->cl_q) = Q_DROPTAIL;
qstate(&cl->cl_q) = QS_RUNNING;
} else {
cl = zalloc(priq_cl_zone);
if (cl == NULL)
return (NULL);
bzero(cl, priq_cl_size);
}
pif->pif_classes[pri] = cl;
if (flags & PRCF_DEFAULTCLASS)
pif->pif_default = cl;
if (qlimit == 0 || qlimit > IFCQ_MAXLEN(ifq)) {
qlimit = IFCQ_MAXLEN(ifq);
if (qlimit == 0)
qlimit = DEFAULT_QLIMIT; /* use default */
}
_qinit(&cl->cl_q, Q_DROPTAIL, qlimit);
cl->cl_flags = flags;
cl->cl_pri = pri;
if (pri > pif->pif_maxpri)
pif->pif_maxpri = pri;
cl->cl_pif = pif;
cl->cl_handle = qid;
if (flags & (PRCF_RED|PRCF_RIO|PRCF_BLUE|PRCF_SFB)) {
#if CLASSQ_RED || CLASSQ_RIO
u_int64_t ifbandwidth = ifnet_output_linkrate(ifp);
int pkttime;
#endif /* CLASSQ_RED || CLASSQ_RIO */
cl->cl_qflags = 0;
if (flags & PRCF_ECN) {
if (flags & PRCF_BLUE)
cl->cl_qflags |= BLUEF_ECN;
else if (flags & PRCF_SFB)
cl->cl_qflags |= SFBF_ECN;
else if (flags & PRCF_RED)
cl->cl_qflags |= REDF_ECN;
else if (flags & PRCF_RIO)
cl->cl_qflags |= RIOF_ECN;
}
if (flags & PRCF_FLOWCTL) {
if (flags & PRCF_SFB)
cl->cl_qflags |= SFBF_FLOWCTL;
}
if (flags & PRCF_CLEARDSCP) {
if (flags & PRCF_RIO)
cl->cl_qflags |= RIOF_CLEARDSCP;
}
#if CLASSQ_RED || CLASSQ_RIO
/*
* XXX: RED & RIO should be watching link speed and MTU
* events and recompute pkttime accordingly.
*/
if (ifbandwidth < 8)
pkttime = 1000 * 1000 * 1000; /* 1 sec */
else
pkttime = (int64_t)ifp->if_mtu * 1000 * 1000 * 1000 /
(ifbandwidth / 8);
/* Test for exclusivity {RED,RIO,BLUE,SFB} was done above */
#if CLASSQ_RED
if (flags & PRCF_RED) {
cl->cl_red = red_alloc(ifp, 0, 0,
qlimit(&cl->cl_q) * 10/100,
qlimit(&cl->cl_q) * 30/100,
cl->cl_qflags, pkttime);
if (cl->cl_red != NULL)
qtype(&cl->cl_q) = Q_RED;
}
#endif /* CLASSQ_RED */
#if CLASSQ_RIO
if (flags & PRCF_RIO) {
cl->cl_rio =
rio_alloc(ifp, 0, NULL, cl->cl_qflags, pkttime);
if (cl->cl_rio != NULL)
qtype(&cl->cl_q) = Q_RIO;
}
#endif /* CLASSQ_RIO */
#endif /* CLASSQ_RED || CLASSQ_RIO */
#if CLASSQ_BLUE
if (flags & PRCF_BLUE) {
cl->cl_blue = blue_alloc(ifp, 0, 0, cl->cl_qflags);
if (cl->cl_blue != NULL)
qtype(&cl->cl_q) = Q_BLUE;
}
#endif /* CLASSQ_BLUE */
if (flags & PRCF_SFB) {
if (!(cl->cl_flags & PRCF_LAZY))
cl->cl_sfb = sfb_alloc(ifp, cl->cl_handle,
qlimit(&cl->cl_q), cl->cl_qflags);
if (cl->cl_sfb != NULL || (cl->cl_flags & PRCF_LAZY))
qtype(&cl->cl_q) = Q_SFB;
}
}
if (pktsched_verbose) {
log(LOG_DEBUG, "%s: %s created qid=%d pri=%d qlimit=%d "
"flags=%b\n", if_name(ifp), priq_style(pif),
cl->cl_handle, cl->cl_pri, qlimit, flags, PRCF_BITS);
}
return (cl);
}
