Commit 94de78d1 authored by Patrick McHardy's avatar Patrick McHardy Committed by David S. Miller
Browse files

[NET_SCHED]: sch_sfq: make internal queues visible as classes



Add support for dumping statistics and make internal queues visible as
classes.
Signed-off-by: default avatarPatrick McHardy <kaber@trash.net>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 7d2681a6
......@@ -150,6 +150,11 @@ struct tc_sfq_qopt
unsigned flows; /* Maximal number of flows */
};
struct tc_sfq_xstats
{
__s32 allot;
};
/*
* NOTE: limit, divisor and flows are hardwired to code at the moment.
*
......
......@@ -566,15 +566,54 @@ static struct tcf_proto **sfq_find_tcf(struct Qdisc *sch, unsigned long cl)
return &q->filter_list;
}
static int sfq_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 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)
{
return;
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,
};
......
Markdown is supported
0% or .
You are about to add 0 people to the discussion. Proceed with caution.
Finish editing this message first!
Please register or to comment