void cleanup_module(void)
{
rtnl_lock();
unregister_qdisc(&the_master.qops);
unregister_netdevice(&the_master.dev);
rtnl_unlock();
}
static int fq_dump_stats(struct Qdisc *sch, struct gnet_dump *d)
{
struct fq_sched_data *q = qdisc_priv(sch);
u64 now = ktime_get_ns();
struct tc_fq_qd_stats st = {
.gc_flows = q->stat_gc_flows,
.highprio_packets = q->stat_internal_packets,
.tcp_retrans = q->stat_tcp_retrans,
.throttled = q->stat_throttled,
.flows_plimit = q->stat_flows_plimit,
.pkts_too_long = q->stat_pkts_too_long,
.allocation_errors = q->stat_allocation_errors,
.flows = q->flows,
.inactive_flows = q->inactive_flows,
.throttled_flows = q->throttled_flows,
.time_next_delayed_flow = q->time_next_delayed_flow - now,
};
return gnet_stats_copy_app(d, &st, sizeof(st));
}
static struct Qdisc_ops fq_qdisc_ops __read_mostly = {
.id = "fq",
.priv_size = sizeof(struct fq_sched_data),
.enqueue = fq_enqueue,
.dequeue = fq_dequeue,
.peek = qdisc_peek_dequeued,
.init = fq_init,
.reset = fq_reset,
.destroy = fq_destroy,
.change = fq_change,
.dump = fq_dump,
.dump_stats = fq_dump_stats,
.owner = THIS_MODULE,
};
static int __init fq_module_init(void)
{
int ret;
fq_flow_cachep = kmem_cache_create("fq_flow_cache",
sizeof(struct fq_flow),
0, 0, NULL);
if (!fq_flow_cachep)
return -ENOMEM;
ret = register_qdisc(&fq_qdisc_ops);
if (ret)
kmem_cache_destroy(fq_flow_cachep);
return ret;
}
static void __exit fq_module_exit(void)
{
unregister_qdisc(&fq_qdisc_ops);
kmem_cache_destroy(fq_flow_cachep);
}
static int __init ingress_module_init(void)
{
int ret;
ret = register_qdisc(&ingress_qdisc_ops);
if (!ret) {
ret = register_qdisc(&clsact_qdisc_ops);
if (ret)
unregister_qdisc(&ingress_qdisc_ops);
}
return ret;
}
static int codel_dump_stats(struct Qdisc *sch, struct gnet_dump *d)
{
const struct codel_sched_data *q = qdisc_priv(sch);
struct tc_codel_xstats st = {
.maxpacket = q->stats.maxpacket,
.count = q->vars.count,
.lastcount = q->vars.lastcount,
.drop_overlimit = q->drop_overlimit,
.ldelay = codel_time_to_us(q->vars.ldelay),
.dropping = q->vars.dropping,
.ecn_mark = q->stats.ecn_mark,
.ce_mark = q->stats.ce_mark,
};
if (q->vars.dropping) {
codel_tdiff_t delta = q->vars.drop_next - codel_get_time();
if (delta >= 0)
st.drop_next = codel_time_to_us(delta);
else
st.drop_next = -codel_time_to_us(-delta);
}
return gnet_stats_copy_app(d, &st, sizeof(st));
}
static void codel_reset(struct Qdisc *sch)
{
struct codel_sched_data *q = qdisc_priv(sch);
qdisc_reset_queue(sch);
codel_vars_init(&q->vars);
}
static struct Qdisc_ops codel_qdisc_ops __read_mostly = {
.id = "codel",
.priv_size = sizeof(struct codel_sched_data),
.enqueue = codel_qdisc_enqueue,
.dequeue = codel_qdisc_dequeue,
.peek = qdisc_peek_dequeued,
.init = codel_init,
.reset = codel_reset,
.change = codel_change,
.dump = codel_dump,
.dump_stats = codel_dump_stats,
.owner = THIS_MODULE,
};
static int __init codel_module_init(void)
{
return register_qdisc(&codel_qdisc_ops);
}
static void __exit codel_module_exit(void)
{
unregister_qdisc(&codel_qdisc_ops);
}
module_init(codel_module_init)
module_exit(codel_module_exit)
MODULE_DESCRIPTION("Controlled Delay queue discipline");
MODULE_AUTHOR("Dave Taht");
MODULE_AUTHOR("Eric Dumazet");
MODULE_LICENSE("Dual BSD/GPL");
static int choke_dump(struct Qdisc *sch, struct sk_buff *skb)
{
struct choke_sched_data *q = qdisc_priv(sch);
struct nlattr *opts = NULL;
struct tc_red_qopt opt = {
.limit = q->limit,
.flags = q->flags,
.qth_min = q->parms.qth_min >> q->parms.Wlog,
.qth_max = q->parms.qth_max >> q->parms.Wlog,
.Wlog = q->parms.Wlog,
.Plog = q->parms.Plog,
.Scell_log = q->parms.Scell_log,
};
opts = nla_nest_start(skb, TCA_OPTIONS);
if (opts == NULL)
goto nla_put_failure;
NLA_PUT(skb, TCA_CHOKE_PARMS, sizeof(opt), &opt);
NLA_PUT_U32(skb, TCA_CHOKE_MAX_P, q->parms.max_P);
return nla_nest_end(skb, opts);
nla_put_failure:
nla_nest_cancel(skb, opts);
return -EMSGSIZE;
}
static int choke_dump_stats(struct Qdisc *sch, struct gnet_dump *d)
{
struct choke_sched_data *q = qdisc_priv(sch);
struct tc_choke_xstats st = {
.early = q->stats.prob_drop + q->stats.forced_drop,
.marked = q->stats.prob_mark + q->stats.forced_mark,
.pdrop = q->stats.pdrop,
.other = q->stats.other,
.matched = q->stats.matched,
};
return gnet_stats_copy_app(d, &st, sizeof(st));
}
static void choke_destroy(struct Qdisc *sch)
{
struct choke_sched_data *q = qdisc_priv(sch);
tcf_destroy_chain(&q->filter_list);
choke_free(q->tab);
}
static struct Qdisc *choke_leaf(struct Qdisc *sch, unsigned long arg)
{
return NULL;
}
static unsigned long choke_get(struct Qdisc *sch, u32 classid)
{
return 0;
}
static void choke_put(struct Qdisc *q, unsigned long cl)
{
}
static unsigned long choke_bind(struct Qdisc *sch, unsigned long parent,
u32 classid)
{
return 0;
}
static struct tcf_proto **choke_find_tcf(struct Qdisc *sch, unsigned long cl)
{
struct choke_sched_data *q = qdisc_priv(sch);
if (cl)
return NULL;
return &q->filter_list;
}
static int choke_dump_class(struct Qdisc *sch, unsigned long cl,
struct sk_buff *skb, struct tcmsg *tcm)
{
tcm->tcm_handle |= TC_H_MIN(cl);
return 0;
}
static void choke_walk(struct Qdisc *sch, struct qdisc_walker *arg)
{
if (!arg->stop) {
if (arg->fn(sch, 1, arg) < 0) {
arg->stop = 1;
return;
}
arg->count++;
}
}
static const struct Qdisc_class_ops choke_class_ops = {
.leaf = choke_leaf,
.get = choke_get,
.put = choke_put,
.tcf_chain = choke_find_tcf,
.bind_tcf = choke_bind,
.unbind_tcf = choke_put,
.dump = choke_dump_class,
.walk = choke_walk,
};
static struct sk_buff *choke_peek_head(struct Qdisc *sch)
{
struct choke_sched_data *q = qdisc_priv(sch);
return (q->head != q->tail) ? q->tab[q->head] : NULL;
}
static struct Qdisc_ops choke_qdisc_ops __read_mostly = {
.id = "choke",
.priv_size = sizeof(struct choke_sched_data),
.enqueue = choke_enqueue,
.dequeue = choke_dequeue,
.peek = choke_peek_head,
.drop = choke_drop,
.init = choke_init,
.destroy = choke_destroy,
.reset = choke_reset,
.change = choke_change,
.dump = choke_dump,
.dump_stats = choke_dump_stats,
.owner = THIS_MODULE,
};
static int __init choke_module_init(void)
{
return register_qdisc(&choke_qdisc_ops);
}
static void __exit choke_module_exit(void)
{
unregister_qdisc(&choke_qdisc_ops);
}
module_init(choke_module_init)
module_exit(choke_module_exit)
MODULE_LICENSE("GPL");
static int choke_dump(struct Qdisc *sch, struct sk_buff *skb)
{
struct choke_sched_data *q = qdisc_priv(sch);
struct nlattr *opts = NULL;
struct tc_red_qopt opt = {
.limit = q->limit,
.flags = q->flags,
.qth_min = q->parms.qth_min >> q->parms.Wlog,
.qth_max = q->parms.qth_max >> q->parms.Wlog,
.Wlog = q->parms.Wlog,
.Plog = q->parms.Plog,
.Scell_log = q->parms.Scell_log,
};
opts = nla_nest_start(skb, TCA_OPTIONS);
if (opts == NULL)
goto nla_put_failure;
if (nla_put(skb, TCA_CHOKE_PARMS, sizeof(opt), &opt) ||
nla_put_u32(skb, TCA_CHOKE_MAX_P, q->parms.max_P))
goto nla_put_failure;
return nla_nest_end(skb, opts);
nla_put_failure:
nla_nest_cancel(skb, opts);
return -EMSGSIZE;
}
static int choke_dump_stats(struct Qdisc *sch, struct gnet_dump *d)
{
struct choke_sched_data *q = qdisc_priv(sch);
struct tc_choke_xstats st = {
.early = q->stats.prob_drop + q->stats.forced_drop,
.marked = q->stats.prob_mark + q->stats.forced_mark,
.pdrop = q->stats.pdrop,
.other = q->stats.other,
.matched = q->stats.matched,
};
return gnet_stats_copy_app(d, &st, sizeof(st));
}
static void choke_destroy(struct Qdisc *sch)
{
struct choke_sched_data *q = qdisc_priv(sch);
choke_free(q->tab);
}
static struct sk_buff *choke_peek_head(struct Qdisc *sch)
{
struct choke_sched_data *q = qdisc_priv(sch);
return (q->head != q->tail) ? q->tab[q->head] : NULL;
}
static struct Qdisc_ops choke_qdisc_ops __read_mostly = {
.id = "choke",
.priv_size = sizeof(struct choke_sched_data),
.enqueue = choke_enqueue,
.dequeue = choke_dequeue,
.peek = choke_peek_head,
.init = choke_init,
.destroy = choke_destroy,
.reset = choke_reset,
.change = choke_change,
.dump = choke_dump,
.dump_stats = choke_dump_stats,
.owner = THIS_MODULE,
};
static int __init choke_module_init(void)
{
return register_qdisc(&choke_qdisc_ops);
}
static void __exit choke_module_exit(void)
{
unregister_qdisc(&choke_qdisc_ops);
}
module_init(choke_module_init)
module_exit(choke_module_exit)
MODULE_LICENSE("GPL");
static void __exit blackhole_module_exit(void)
{
unregister_qdisc(&blackhole_qdisc_ops);
}
static void __exit fq_codel_module_exit(void)
{
unregister_qdisc(&fq_codel_qdisc_ops);
}
static int red_dump(struct Qdisc *sch, struct sk_buff *skb)
{
struct red_sched_data *q = qdisc_priv(sch);
struct rtattr *opts = NULL;
struct tc_red_qopt opt = {
.limit = q->limit,
.flags = q->flags,
.qth_min = q->parms.qth_min >> q->parms.Wlog,
.qth_max = q->parms.qth_max >> q->parms.Wlog,
.Wlog = q->parms.Wlog,
.Plog = q->parms.Plog,
.Scell_log = q->parms.Scell_log,
};
opts = RTA_NEST(skb, TCA_OPTIONS);
RTA_PUT(skb, TCA_RED_PARMS, sizeof(opt), &opt);
return RTA_NEST_END(skb, opts);
rtattr_failure:
return RTA_NEST_CANCEL(skb, opts);
}
static int red_dump_stats(struct Qdisc *sch, struct gnet_dump *d)
{
struct red_sched_data *q = qdisc_priv(sch);
struct tc_red_xstats st = {
.early = q->stats.prob_drop + q->stats.forced_drop,
.pdrop = q->stats.pdrop,
.other = q->stats.other,
.marked = q->stats.prob_mark + q->stats.forced_mark,
};
return gnet_stats_copy_app(d, &st, sizeof(st));
}
static struct Qdisc_ops red_qdisc_ops = {
.id = "red",
.priv_size = sizeof(struct red_sched_data),
.enqueue = red_enqueue,
.dequeue = red_dequeue,
.requeue = red_requeue,
.drop = red_drop,
.init = red_init,
.reset = red_reset,
.change = red_change,
.dump = red_dump,
.dump_stats = red_dump_stats,
.owner = THIS_MODULE,
};
static int __init red_module_init(void)
{
return register_qdisc(&red_qdisc_ops);
}
static void __exit red_module_exit(void)
{
unregister_qdisc(&red_qdisc_ops);
}
module_init(red_module_init)
module_exit(red_module_exit)
MODULE_LICENSE("GPL");
static void __exit ingress_module_exit(void)
{
unregister_qdisc(&ingress_qdisc_ops);
}
static int gred_dump(struct Qdisc *sch, struct sk_buff *skb)
{
struct gred_sched *table = qdisc_priv(sch);
struct rtattr *parms, *opts = NULL;
int i;
struct tc_gred_sopt sopt = {
.DPs = table->DPs,
.def_DP = table->def,
.grio = gred_rio_mode(table),
.flags = table->red_flags,
};
opts = RTA_NEST(skb, TCA_OPTIONS);
RTA_PUT(skb, TCA_GRED_DPS, sizeof(sopt), &sopt);
parms = RTA_NEST(skb, TCA_GRED_PARMS);
for (i = 0; i < MAX_DPs; i++) {
struct gred_sched_data *q = table->tab[i];
struct tc_gred_qopt opt;
memset(&opt, 0, sizeof(opt));
if (!q) {
/* hack -- fix at some point with proper message
This is how we indicate to tc that there is no VQ
at this DP */
opt.DP = MAX_DPs + i;
goto append_opt;
}
opt.limit = q->limit;
opt.DP = q->DP;
opt.backlog = q->backlog;
opt.prio = q->prio;
opt.qth_min = q->parms.qth_min >> q->parms.Wlog;
opt.qth_max = q->parms.qth_max >> q->parms.Wlog;
opt.Wlog = q->parms.Wlog;
opt.Plog = q->parms.Plog;
opt.Scell_log = q->parms.Scell_log;
opt.other = q->stats.other;
opt.early = q->stats.prob_drop;
opt.forced = q->stats.forced_drop;
opt.pdrop = q->stats.pdrop;
opt.packets = q->packetsin;
opt.bytesin = q->bytesin;
if (gred_wred_mode(table)) {
q->parms.qidlestart =
table->tab[table->def]->parms.qidlestart;
q->parms.qavg = table->tab[table->def]->parms.qavg;
}
opt.qave = red_calc_qavg(&q->parms, q->parms.qavg);
append_opt:
RTA_APPEND(skb, sizeof(opt), &opt);
}
RTA_NEST_END(skb, parms);
return RTA_NEST_END(skb, opts);
rtattr_failure:
return RTA_NEST_CANCEL(skb, opts);
}
static void gred_destroy(struct Qdisc *sch)
{
struct gred_sched *table = qdisc_priv(sch);
int i;
for (i = 0; i < table->DPs; i++) {
if (table->tab[i])
gred_destroy_vq(table->tab[i]);
}
}
static struct Qdisc_ops gred_qdisc_ops = {
.id = "gred",
.priv_size = sizeof(struct gred_sched),
.enqueue = gred_enqueue,
.dequeue = gred_dequeue,
.requeue = gred_requeue,
.drop = gred_drop,
.init = gred_init,
.reset = gred_reset,
.destroy = gred_destroy,
.change = gred_change,
.dump = gred_dump,
.owner = THIS_MODULE,
};
static int __init gred_module_init(void)
{
return register_qdisc(&gred_qdisc_ops);
}
static void __exit gred_module_exit(void)
{
unregister_qdisc(&gred_qdisc_ops);
}
module_init(gred_module_init)
module_exit(gred_module_exit)
MODULE_LICENSE("GPL");
static void __exit queue_module_exit(void)
{
printk("queue unloaded\n");
unregister_qdisc(&queue_qdisc_ops);
}
static int pie_dump_stats(struct Qdisc *sch, struct gnet_dump *d)
{
struct pie_sched_data *q = qdisc_priv(sch);
struct tc_pie_xstats st = {
.prob = q->vars.prob,
.delay = ((u32) PSCHED_TICKS2NS(q->vars.qdelay)) /
NSEC_PER_USEC,
/* unscale and return dq_rate in bytes per sec */
.avg_dq_rate = q->vars.avg_dq_rate *
(PSCHED_TICKS_PER_SEC) >> PIE_SCALE,
.packets_in = q->stats.packets_in,
.overlimit = q->stats.overlimit,
.maxq = q->stats.maxq,
.dropped = q->stats.dropped,
.ecn_mark = q->stats.ecn_mark,
};
return gnet_stats_copy_app(d, &st, sizeof(st));
}
static struct sk_buff *pie_qdisc_dequeue(struct Qdisc *sch)
{
struct pie_sched_data *q = qdisc_priv(sch);
struct sk_buff *skb;
skb = __qdisc_dequeue_head(sch, &sch->q);
if (!skb)
return NULL;
pie_process_dequeue(sch, &q->vars, skb);
return skb;
}
static void pie_reset(struct Qdisc *sch)
{
struct pie_sched_data *q = qdisc_priv(sch);
qdisc_reset_queue(sch);
pie_vars_init(&q->vars);
}
static void pie_destroy(struct Qdisc *sch)
{
struct pie_sched_data *q = qdisc_priv(sch);
q->params.tupdate = 0;
del_timer_sync(&q->adapt_timer);
}
static struct Qdisc_ops pie_qdisc_ops __read_mostly = {
.id = "pie",
.priv_size = sizeof(struct pie_sched_data),
.enqueue = pie_qdisc_enqueue,
.dequeue = pie_qdisc_dequeue,
.peek = qdisc_peek_dequeued,
.init = pie_init,
.destroy = pie_destroy,
.reset = pie_reset,
.change = pie_change,
.dump = pie_dump,
.dump_stats = pie_dump_stats,
.owner = THIS_MODULE,
};
static int __init pie_module_init(void)
{
return register_qdisc(&pie_qdisc_ops);
}
static void __exit pie_module_exit(void)
{
unregister_qdisc(&pie_qdisc_ops);
}
module_init(pie_module_init);
module_exit(pie_module_exit);
MODULE_DESCRIPTION("Proportional Integral controller Enhanced (PIE) scheduler");
MODULE_AUTHOR("Vijay Subramanian");
MODULE_AUTHOR("Mythili Prabhu");
MODULE_LICENSE("GPL");
static void __exit fq_module_exit(void)
{
unregister_qdisc(&fq_qdisc_ops);
kmem_cache_destroy(fq_flow_cachep);
}
static void __exit sfq_module_exit(void)
{
unregister_qdisc(&sfq_qdisc_ops);
}
static int gred_dump(struct Qdisc *sch, struct sk_buff *skb)
{
struct gred_sched *table = qdisc_priv(sch);
struct nlattr *parms, *opts = NULL;
int i;
u32 max_p[MAX_DPs];
struct tc_gred_sopt sopt = {
.DPs = table->DPs,
.def_DP = table->def,
.grio = gred_rio_mode(table),
.flags = table->red_flags,
};
opts = nla_nest_start(skb, TCA_OPTIONS);
if (opts == NULL)
goto nla_put_failure;
nla_put(skb, TCA_GRED_DPS, sizeof(sopt), &sopt);
for (i = 0; i < MAX_DPs; i++) {
struct gred_sched_data *q = table->tab[i];
max_p[i] = q ? q->parms.max_P : 0;
}
nla_put(skb, TCA_GRED_MAX_P, sizeof(max_p), max_p);
parms = nla_nest_start(skb, TCA_GRED_PARMS);
if (parms == NULL)
goto nla_put_failure;
for (i = 0; i < MAX_DPs; i++) {
struct gred_sched_data *q = table->tab[i];
struct tc_gred_qopt opt;
memset(&opt, 0, sizeof(opt));
if (!q) {
/* hack -- fix at some point with proper message
This is how we indicate to tc that there is no VQ
at this DP */
opt.DP = MAX_DPs + i;
goto append_opt;
}
opt.limit = q->limit;
opt.DP = q->DP;
opt.backlog = q->backlog;
opt.prio = q->prio;
opt.qth_min = q->parms.qth_min >> q->parms.Wlog;
opt.qth_max = q->parms.qth_max >> q->parms.Wlog;
opt.Wlog = q->parms.Wlog;
opt.Plog = q->parms.Plog;
opt.Scell_log = q->parms.Scell_log;
opt.other = q->stats.other;
opt.early = q->stats.prob_drop;
opt.forced = q->stats.forced_drop;
opt.pdrop = q->stats.pdrop;
opt.packets = q->packetsin;
opt.bytesin = q->bytesin;
if (gred_wred_mode(table))
gred_load_wred_set(table, q);
opt.qave = red_calc_qavg(&q->parms, &q->vars, q->vars.qavg);
append_opt:
if (nla_append(skb, sizeof(opt), &opt) < 0)
goto nla_put_failure;
}
nla_nest_end(skb, parms);
return nla_nest_end(skb, opts);
nla_put_failure:
nla_nest_cancel(skb, opts);
return -EMSGSIZE;
}
static void gred_destroy(struct Qdisc *sch)
{
struct gred_sched *table = qdisc_priv(sch);
int i;
for (i = 0; i < table->DPs; i++) {
if (table->tab[i])
gred_destroy_vq(table->tab[i]);
}
}
static struct Qdisc_ops gred_qdisc_ops __read_mostly = {
.id = "gred",
.priv_size = sizeof(struct gred_sched),
.enqueue = gred_enqueue,
.dequeue = gred_dequeue,
.peek = qdisc_peek_head,
.drop = gred_drop,
.init = gred_init,
.reset = gred_reset,
.destroy = gred_destroy,
.change = gred_change,
.dump = gred_dump,
.owner = THIS_MODULE,
};
static int __init gred_module_init(void)
{
return register_qdisc(&gred_qdisc_ops);
}
static void __exit gred_module_exit(void)
{
unregister_qdisc(&gred_qdisc_ops);
}
module_init(gred_module_init)
module_exit(gred_module_exit)
MODULE_LICENSE("GPL");
void cleanup_module(void)
{
unregister_qdisc(&sfq_qdisc_ops);
}
static int gred_dump(struct Qdisc *sch, struct sk_buff *skb)
{
struct gred_sched *table = qdisc_priv(sch);
struct nlattr *parms, *vqs, *opts = NULL;
int i;
u32 max_p[MAX_DPs];
struct tc_gred_sopt sopt = {
.DPs = table->DPs,
.def_DP = table->def,
.grio = gred_rio_mode(table),
.flags = table->red_flags,
};
if (gred_offload_dump_stats(sch))
goto nla_put_failure;
opts = nla_nest_start_noflag(skb, TCA_OPTIONS);
if (opts == NULL)
goto nla_put_failure;
if (nla_put(skb, TCA_GRED_DPS, sizeof(sopt), &sopt))
goto nla_put_failure;
for (i = 0; i < MAX_DPs; i++) {
struct gred_sched_data *q = table->tab[i];
max_p[i] = q ? q->parms.max_P : 0;
}
if (nla_put(skb, TCA_GRED_MAX_P, sizeof(max_p), max_p))
goto nla_put_failure;
if (nla_put_u32(skb, TCA_GRED_LIMIT, sch->limit))
goto nla_put_failure;
/* Old style all-in-one dump of VQs */
parms = nla_nest_start_noflag(skb, TCA_GRED_PARMS);
if (parms == NULL)
goto nla_put_failure;
for (i = 0; i < MAX_DPs; i++) {
struct gred_sched_data *q = table->tab[i];
struct tc_gred_qopt opt;
unsigned long qavg;
memset(&opt, 0, sizeof(opt));
if (!q) {
/* hack -- fix at some point with proper message
This is how we indicate to tc that there is no VQ
at this DP */
opt.DP = MAX_DPs + i;
goto append_opt;
}
opt.limit = q->limit;
opt.DP = q->DP;
opt.backlog = gred_backlog(table, q, sch);
opt.prio = q->prio;
opt.qth_min = q->parms.qth_min >> q->parms.Wlog;
opt.qth_max = q->parms.qth_max >> q->parms.Wlog;
opt.Wlog = q->parms.Wlog;
opt.Plog = q->parms.Plog;
opt.Scell_log = q->parms.Scell_log;
opt.other = q->stats.other;
opt.early = q->stats.prob_drop;
opt.forced = q->stats.forced_drop;
opt.pdrop = q->stats.pdrop;
opt.packets = q->packetsin;
opt.bytesin = q->bytesin;
if (gred_wred_mode(table))
gred_load_wred_set(table, q);
qavg = red_calc_qavg(&q->parms, &q->vars,
q->vars.qavg >> q->parms.Wlog);
opt.qave = qavg >> q->parms.Wlog;
append_opt:
if (nla_append(skb, sizeof(opt), &opt) < 0)
goto nla_put_failure;
}
nla_nest_end(skb, parms);
/* Dump the VQs again, in more structured way */
vqs = nla_nest_start_noflag(skb, TCA_GRED_VQ_LIST);
if (!vqs)
goto nla_put_failure;
for (i = 0; i < MAX_DPs; i++) {
struct gred_sched_data *q = table->tab[i];
struct nlattr *vq;
if (!q)
continue;
vq = nla_nest_start_noflag(skb, TCA_GRED_VQ_ENTRY);
if (!vq)
goto nla_put_failure;
if (nla_put_u32(skb, TCA_GRED_VQ_DP, q->DP))
goto nla_put_failure;
if (nla_put_u32(skb, TCA_GRED_VQ_FLAGS, q->red_flags))
goto nla_put_failure;
/* Stats */
if (nla_put_u64_64bit(skb, TCA_GRED_VQ_STAT_BYTES, q->bytesin,
TCA_GRED_VQ_PAD))
goto nla_put_failure;
if (nla_put_u32(skb, TCA_GRED_VQ_STAT_PACKETS, q->packetsin))
goto nla_put_failure;
if (nla_put_u32(skb, TCA_GRED_VQ_STAT_BACKLOG,
gred_backlog(table, q, sch)))
goto nla_put_failure;
if (nla_put_u32(skb, TCA_GRED_VQ_STAT_PROB_DROP,
q->stats.prob_drop))
goto nla_put_failure;
if (nla_put_u32(skb, TCA_GRED_VQ_STAT_PROB_MARK,
q->stats.prob_mark))
goto nla_put_failure;
if (nla_put_u32(skb, TCA_GRED_VQ_STAT_FORCED_DROP,
q->stats.forced_drop))
goto nla_put_failure;
if (nla_put_u32(skb, TCA_GRED_VQ_STAT_FORCED_MARK,
q->stats.forced_mark))
goto nla_put_failure;
if (nla_put_u32(skb, TCA_GRED_VQ_STAT_PDROP, q->stats.pdrop))
goto nla_put_failure;
if (nla_put_u32(skb, TCA_GRED_VQ_STAT_OTHER, q->stats.other))
goto nla_put_failure;
nla_nest_end(skb, vq);
}
nla_nest_end(skb, vqs);
return nla_nest_end(skb, opts);
nla_put_failure:
nla_nest_cancel(skb, opts);
return -EMSGSIZE;
}
static void gred_destroy(struct Qdisc *sch)
{
struct gred_sched *table = qdisc_priv(sch);
int i;
for (i = 0; i < table->DPs; i++) {
if (table->tab[i])
gred_destroy_vq(table->tab[i]);
}
gred_offload(sch, TC_GRED_DESTROY);
}
static struct Qdisc_ops gred_qdisc_ops __read_mostly = {
.id = "gred",
.priv_size = sizeof(struct gred_sched),
.enqueue = gred_enqueue,
.dequeue = gred_dequeue,
.peek = qdisc_peek_head,
.init = gred_init,
.reset = gred_reset,
.destroy = gred_destroy,
.change = gred_change,
.dump = gred_dump,
.owner = THIS_MODULE,
};
static int __init gred_module_init(void)
{
return register_qdisc(&gred_qdisc_ops);
}
static void __exit gred_module_exit(void)
{
unregister_qdisc(&gred_qdisc_ops);
}
module_init(gred_module_init)
module_exit(gred_module_exit)
MODULE_LICENSE("GPL");
static int sfq_dump_class_stats(struct Qdisc *sch, unsigned long cl,
struct gnet_dump *d)
{
struct sfq_sched_data *q = qdisc_priv(sch);
sfq_index idx = q->ht[cl-1];
struct gnet_stats_queue qs = { .qlen = q->qs[idx].qlen };
struct tc_sfq_xstats xstats = { .allot = q->allot[idx] };
if (gnet_stats_copy_queue(d, &qs) < 0)
return -1;
return gnet_stats_copy_app(d, &xstats, sizeof(xstats));
}
static void sfq_walk(struct Qdisc *sch, struct qdisc_walker *arg)
{
struct sfq_sched_data *q = qdisc_priv(sch);
unsigned int i;
if (arg->stop)
return;
for (i = 0; i < SFQ_HASH_DIVISOR; i++) {
if (q->ht[i] == SFQ_DEPTH ||
arg->count < arg->skip) {
arg->count++;
continue;
}
if (arg->fn(sch, i + 1, arg) < 0) {
arg->stop = 1;
break;
}
arg->count++;
}
}
static const struct Qdisc_class_ops sfq_class_ops = {
.get = sfq_get,
.change = sfq_change_class,
.tcf_chain = sfq_find_tcf,
.dump = sfq_dump_class,
.dump_stats = sfq_dump_class_stats,
.walk = sfq_walk,
};
static struct Qdisc_ops sfq_qdisc_ops __read_mostly = {
.cl_ops = &sfq_class_ops,
.id = "sfq",
.priv_size = sizeof(struct sfq_sched_data),
.enqueue = sfq_enqueue,
.dequeue = sfq_dequeue,
.requeue = sfq_requeue,
.drop = sfq_drop,
.init = sfq_init,
.reset = sfq_reset,
.destroy = sfq_destroy,
.change = NULL,
.dump = sfq_dump,
.owner = THIS_MODULE,
};
static int __init sfq_module_init(void)
{
return register_qdisc(&sfq_qdisc_ops);
}
static void __exit sfq_module_exit(void)
{
unregister_qdisc(&sfq_qdisc_ops);
}
module_init(sfq_module_init)
module_exit(sfq_module_exit)
MODULE_LICENSE("GPL");
static void __exit wfq_module_exit(void)
{
wfq_params_exit();
unregister_qdisc(&wfq_ops);
printk(KERN_INFO "sch_wfq: stop working\n");
}
