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Diffstat (limited to 'net/sched/sch_hfsc.c')
-rw-r--r--net/sched/sch_hfsc.c92
1 files changed, 49 insertions, 43 deletions
diff --git a/net/sched/sch_hfsc.c b/net/sched/sch_hfsc.c
index a6ad491e434b..87293d0db1d7 100644
--- a/net/sched/sch_hfsc.c
+++ b/net/sched/sch_hfsc.c
@@ -986,41 +986,46 @@ hfsc_change_usc(struct hfsc_class *cl, struct tc_service_curve *usc,
cl->cl_flags |= HFSC_USC;
}
+static const struct nla_policy hfsc_policy[TCA_HFSC_MAX + 1] = {
+ [TCA_HFSC_RSC] = { .len = sizeof(struct tc_service_curve) },
+ [TCA_HFSC_FSC] = { .len = sizeof(struct tc_service_curve) },
+ [TCA_HFSC_USC] = { .len = sizeof(struct tc_service_curve) },
+};
+
static int
hfsc_change_class(struct Qdisc *sch, u32 classid, u32 parentid,
- struct rtattr **tca, unsigned long *arg)
+ struct nlattr **tca, unsigned long *arg)
{
struct hfsc_sched *q = qdisc_priv(sch);
struct hfsc_class *cl = (struct hfsc_class *)*arg;
struct hfsc_class *parent = NULL;
- struct rtattr *opt = tca[TCA_OPTIONS-1];
- struct rtattr *tb[TCA_HFSC_MAX];
+ struct nlattr *opt = tca[TCA_OPTIONS];
+ struct nlattr *tb[TCA_HFSC_MAX + 1];
struct tc_service_curve *rsc = NULL, *fsc = NULL, *usc = NULL;
u64 cur_time;
+ int err;
- if (opt == NULL || rtattr_parse_nested(tb, TCA_HFSC_MAX, opt))
+ if (opt == NULL)
return -EINVAL;
- if (tb[TCA_HFSC_RSC-1]) {
- if (RTA_PAYLOAD(tb[TCA_HFSC_RSC-1]) < sizeof(*rsc))
- return -EINVAL;
- rsc = RTA_DATA(tb[TCA_HFSC_RSC-1]);
+ err = nla_parse_nested(tb, TCA_HFSC_MAX, opt, hfsc_policy);
+ if (err < 0)
+ return err;
+
+ if (tb[TCA_HFSC_RSC]) {
+ rsc = nla_data(tb[TCA_HFSC_RSC]);
if (rsc->m1 == 0 && rsc->m2 == 0)
rsc = NULL;
}
- if (tb[TCA_HFSC_FSC-1]) {
- if (RTA_PAYLOAD(tb[TCA_HFSC_FSC-1]) < sizeof(*fsc))
- return -EINVAL;
- fsc = RTA_DATA(tb[TCA_HFSC_FSC-1]);
+ if (tb[TCA_HFSC_FSC]) {
+ fsc = nla_data(tb[TCA_HFSC_FSC]);
if (fsc->m1 == 0 && fsc->m2 == 0)
fsc = NULL;
}
- if (tb[TCA_HFSC_USC-1]) {
- if (RTA_PAYLOAD(tb[TCA_HFSC_USC-1]) < sizeof(*usc))
- return -EINVAL;
- usc = RTA_DATA(tb[TCA_HFSC_USC-1]);
+ if (tb[TCA_HFSC_USC]) {
+ usc = nla_data(tb[TCA_HFSC_USC]);
if (usc->m1 == 0 && usc->m2 == 0)
usc = NULL;
}
@@ -1050,10 +1055,10 @@ hfsc_change_class(struct Qdisc *sch, u32 classid, u32 parentid,
}
sch_tree_unlock(sch);
- if (tca[TCA_RATE-1])
+ if (tca[TCA_RATE])
gen_replace_estimator(&cl->bstats, &cl->rate_est,
&sch->dev->queue_lock,
- tca[TCA_RATE-1]);
+ tca[TCA_RATE]);
return 0;
}
@@ -1106,9 +1111,9 @@ hfsc_change_class(struct Qdisc *sch, u32 classid, u32 parentid,
cl->cl_pcvtoff = parent->cl_cvtoff;
sch_tree_unlock(sch);
- if (tca[TCA_RATE-1])
+ if (tca[TCA_RATE])
gen_new_estimator(&cl->bstats, &cl->rate_est,
- &sch->dev->queue_lock, tca[TCA_RATE-1]);
+ &sch->dev->queue_lock, tca[TCA_RATE]);
*arg = (unsigned long)cl;
return 0;
}
@@ -1304,11 +1309,11 @@ hfsc_dump_sc(struct sk_buff *skb, int attr, struct internal_sc *sc)
tsc.m1 = sm2m(sc->sm1);
tsc.d = dx2d(sc->dx);
tsc.m2 = sm2m(sc->sm2);
- RTA_PUT(skb, attr, sizeof(tsc), &tsc);
+ NLA_PUT(skb, attr, sizeof(tsc), &tsc);
return skb->len;
- rtattr_failure:
+ nla_put_failure:
return -1;
}
@@ -1317,19 +1322,19 @@ hfsc_dump_curves(struct sk_buff *skb, struct hfsc_class *cl)
{
if ((cl->cl_flags & HFSC_RSC) &&
(hfsc_dump_sc(skb, TCA_HFSC_RSC, &cl->cl_rsc) < 0))
- goto rtattr_failure;
+ goto nla_put_failure;
if ((cl->cl_flags & HFSC_FSC) &&
(hfsc_dump_sc(skb, TCA_HFSC_FSC, &cl->cl_fsc) < 0))
- goto rtattr_failure;
+ goto nla_put_failure;
if ((cl->cl_flags & HFSC_USC) &&
(hfsc_dump_sc(skb, TCA_HFSC_USC, &cl->cl_usc) < 0))
- goto rtattr_failure;
+ goto nla_put_failure;
return skb->len;
- rtattr_failure:
+ nla_put_failure:
return -1;
}
@@ -1338,22 +1343,23 @@ hfsc_dump_class(struct Qdisc *sch, unsigned long arg, struct sk_buff *skb,
struct tcmsg *tcm)
{
struct hfsc_class *cl = (struct hfsc_class *)arg;
- unsigned char *b = skb_tail_pointer(skb);
- struct rtattr *rta = (struct rtattr *)b;
+ struct nlattr *nest;
tcm->tcm_parent = cl->cl_parent ? cl->cl_parent->classid : TC_H_ROOT;
tcm->tcm_handle = cl->classid;
if (cl->level == 0)
tcm->tcm_info = cl->qdisc->handle;
- RTA_PUT(skb, TCA_OPTIONS, 0, NULL);
+ nest = nla_nest_start(skb, TCA_OPTIONS);
+ if (nest == NULL)
+ goto nla_put_failure;
if (hfsc_dump_curves(skb, cl) < 0)
- goto rtattr_failure;
- rta->rta_len = skb_tail_pointer(skb) - b;
+ goto nla_put_failure;
+ nla_nest_end(skb, nest);
return skb->len;
- rtattr_failure:
- nlmsg_trim(skb, b);
+ nla_put_failure:
+ nla_nest_cancel(skb, nest);
return -1;
}
@@ -1423,15 +1429,15 @@ hfsc_schedule_watchdog(struct Qdisc *sch)
}
static int
-hfsc_init_qdisc(struct Qdisc *sch, struct rtattr *opt)
+hfsc_init_qdisc(struct Qdisc *sch, struct nlattr *opt)
{
struct hfsc_sched *q = qdisc_priv(sch);
struct tc_hfsc_qopt *qopt;
unsigned int i;
- if (opt == NULL || RTA_PAYLOAD(opt) < sizeof(*qopt))
+ if (opt == NULL || nla_len(opt) < sizeof(*qopt))
return -EINVAL;
- qopt = RTA_DATA(opt);
+ qopt = nla_data(opt);
q->defcls = qopt->defcls;
for (i = 0; i < HFSC_HSIZE; i++)
@@ -1459,14 +1465,14 @@ hfsc_init_qdisc(struct Qdisc *sch, struct rtattr *opt)
}
static int
-hfsc_change_qdisc(struct Qdisc *sch, struct rtattr *opt)
+hfsc_change_qdisc(struct Qdisc *sch, struct nlattr *opt)
{
struct hfsc_sched *q = qdisc_priv(sch);
struct tc_hfsc_qopt *qopt;
- if (opt == NULL || RTA_PAYLOAD(opt) < sizeof(*qopt))
+ if (opt == NULL || nla_len(opt) < sizeof(*qopt))
return -EINVAL;
- qopt = RTA_DATA(opt);
+ qopt = nla_data(opt);
sch_tree_lock(sch);
q->defcls = qopt->defcls;
@@ -1550,10 +1556,10 @@ hfsc_dump_qdisc(struct Qdisc *sch, struct sk_buff *skb)
struct tc_hfsc_qopt qopt;
qopt.defcls = q->defcls;
- RTA_PUT(skb, TCA_OPTIONS, sizeof(qopt), &qopt);
+ NLA_PUT(skb, TCA_OPTIONS, sizeof(qopt), &qopt);
return skb->len;
- rtattr_failure:
+ nla_put_failure:
nlmsg_trim(skb, b);
return -1;
}
@@ -1698,7 +1704,7 @@ hfsc_drop(struct Qdisc *sch)
return 0;
}
-static struct Qdisc_class_ops hfsc_class_ops = {
+static const struct Qdisc_class_ops hfsc_class_ops = {
.change = hfsc_change_class,
.delete = hfsc_delete_class,
.graft = hfsc_graft_class,
@@ -1714,7 +1720,7 @@ static struct Qdisc_class_ops hfsc_class_ops = {
.walk = hfsc_walk
};
-static struct Qdisc_ops hfsc_qdisc_ops = {
+static struct Qdisc_ops hfsc_qdisc_ops __read_mostly = {
.id = "hfsc",
.init = hfsc_init_qdisc,
.change = hfsc_change_qdisc,
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-13 20:01:03 +0100